CN216943105U

CN216943105U - Railway track crack detection device

Info

Publication number: CN216943105U
Application number: CN202123286751.9U
Authority: CN
Inventors: 陈莹莹
Original assignee: Tangshan Yuantong Railway Equipment Manufacturing Co ltd
Current assignee: Tangshan Yuantong Railway Equipment Manufacturing Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-12
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a railway track crack detection device.A carrying vehicle body is provided with a traveling wheel which travels on a railway track in a matching way, an obstacle clearing mechanism is arranged at the front end of the carrying vehicle body in a matching way, detection mechanisms are arranged at two sides of the traveling wheel in a matching way, and the obstacle clearing mechanism and the detection mechanisms are both connected with a driving motor through power of a transmission mechanism; the obstacle clearing mechanism comprises a first sliding chute, a first screw rod, a lifting plate and an obstacle clearing plate, and the obstacle clearing plate synchronously descends to clear obstacles on the path of the carrier vehicle body when the detection mechanism moves downwards to detect the railway track; the detection mechanism comprises a second sliding groove, a second screw rod, a lifting seat and ultrasonic detection equipment, and the ultrasonic detection equipment can be driven to overturn to a horizontal state to detect the railway track when the lifting seat moves downwards. When the ultrasonic detection device is used for detecting the steel rail, the front obstacle can be effectively cleared, and the retraction of the detection device can be controlled, so that the detection precision and speed are improved.

Description

Railway track crack detection device

Technical Field

The utility model relates to the technical field of rail detection, in particular to a railway rail crack detection device.

Background

The track consists of a track bed, sleepers, steel rails, connecting parts, anti-creeping equipment, turnouts and the like, bears various vertical, transverse and longitudinal static loads and dynamic loads, and the loads are transmitted to the roadbed from the steel rails through the sleepers and the track bed. The rail is damaged in the passing process of the train, and the rail needs to be regularly detected to judge whether the rail is damaged by cracks or sand holes and the like, so that the rail is convenient to maintain in time. Utilize the ultrasonic wave to monitor the rail often have detection speed fast, a great deal of advantage such as detection accuracy height, but when ultrasonic detection, need process ultrasonic emission end and receiving terminal and arrange the both sides at the rail to effectively detect the rail state, because the rail is assumed on the sleeper, there is the stone to press the road around, with ultrasonic equipment installation at the in-process that detects the high-speed driving of vehicle, ultrasonic detection equipment very easily collides with barrier on every side and causes the damage. And traditional ultrasonic detection equipment often fixed mounting is on detecting the vehicle, can not effectively protect it after using the completion.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the railway track crack detection device, which can effectively clear the front obstacles when the ultrasonic wave is applied to detect the steel rail and can control the retraction of detection equipment so as to improve the detection precision and speed.

The technical scheme adopted by the utility model for realizing the purpose is as follows: a railway track crack detection device comprises a carrying vehicle body, an obstacle clearing mechanism and a detection mechanism, wherein a traveling wheel traveling on a railway track is mounted on the carrying vehicle body in a matched mode, the obstacle clearing mechanism is mounted at the front end of the carrying vehicle body in a matched mode, the detection mechanism is mounted on two sides of the traveling wheel in a matched mode, and the obstacle clearing mechanism and the detection mechanism are both connected with a driving motor through power of a transmission mechanism;

the clearance obstacles mechanism includes: the lifting plate is embedded in each group of first sliding chutes in a relative sliding manner and is screwed with the corresponding first screw rod, and the barrier cleaning plate is fixedly connected to the lower side of the lifting plate;

the detection mechanism includes: the second sliding chutes are arranged on the carrier vehicle body and are arranged on two sides of each group of travelling wheels, the second screw rods are nested in the second sliding chutes in a relative rotation mode, the lifting seats are nested in the second sliding chutes in a relative rotation mode and are screwed with the second screw rods, the supporting rods are hinged to the bottom of the carrier vehicle body at one ends, the ultrasonic detection equipment is fixedly connected to the other ends of the supporting rods at the bottom ends, and the connecting rods are hinged to the ultrasonic detection equipment and the lifting seats at the two ends respectively; the ultrasonic detection equipment comprises an ultrasonic transmitter and an ultrasonic receiver which are respectively arranged on two sides of the travelling wheel.

In some of the implementation, the bottom of the carrier vehicle body is fixedly connected with two groups of installation seats which are arranged side by side, installation grooves are formed in the installation seats, the traveling wheels are embedded in the installation grooves in a relative rotation mode, and the second sliding grooves are formed in the outer side wall of the installation seats and are arranged in the vertical direction.

In some of these implementations, the transmission mechanism includes: the first transmission gears are fixedly connected to the top ends of the first screw rods, the first transmission shafts are nested and installed on the carrying vehicle body in a relative rotation mode and are horizontally arranged, and the multiple groups of first driving gears are fixedly connected to the first transmission shafts and are meshed with the first transmission gears; the first transmission gear and the first driving gear are both bevel gears.

In some of these implementations, the transmission mechanism further comprises: the second transmission gears are fixedly connected to the top ends of the groups of second screw rods, the second transmission shafts which are arranged on the carrier vehicle body in a nesting mode in a relative rotation mode and are arranged horizontally, and the plurality of groups of second driving gears are fixedly connected to the second transmission shafts and are meshed with the groups of second transmission gears; the second transmission gear and the second driving gear both adopt bevel gears.

In some of the embodiments, the first transmission shaft and the second transmission shaft are both fixedly connected with a transmission chain wheel, and the two groups of transmission chain wheels realize chain transmission through a chain, the second transmission shaft is also fixedly connected with a rotation chain wheel, the driving motor is fixedly installed on the carrying vehicle body, the rotation shaft of the driving motor is fixedly connected with a driving chain wheel, and the driving chain wheel and the rotation chain wheel realize chain transmission through the chain.

The utility model has the beneficial effects that: can control clearance barrier mechanism through control driving motor's just reversal, detection mechanism synchronous lifting, receive and release of quick control ultrasonic detection equipment, at control ultrasonic transmitter, ultrasonic receiver downstream is in order to detect railway rails, the motion of lift seat drive connecting rod, and then processing ultrasonic detection equipment rotates to the horizontality, because the clearance barrier in the place ahead descends in step, can avoid obstacles such as path stone and ultrasonic detection equipment to bump, can guarantee ultrasonic detection equipment steady operation, guarantee that the delivery automobile body can advance and monitor railway rails with high speed, in order to improve detection precision and speed.

Drawings

FIG. 1 is a schematic front side structure diagram of the obstacle clearing mechanism and the detecting mechanism of the present invention when descending;

FIG. 2 is a schematic view of the rear side structure of the obstacle clearing mechanism and the detecting mechanism when descending;

FIG. 3 is a schematic view of the front side structure of the obstacle clearing mechanism and the detecting mechanism when the obstacle clearing mechanism and the detecting mechanism ascend;

fig. 4 is a schematic front side view of the obstacle clearing mechanism and the detecting mechanism of the present invention when they are raised.

In the figure: the device comprises a carrying vehicle body 1, a railway track 2, a traveling wheel 3, a driving motor 4, a first chute 5, a first screw rod 6, a lifting plate 7, a clearance plate 8, a second chute 9, a second screw rod 10, a lifting seat 11, a supporting rod 12, a connecting rod 13, an ultrasonic transmitter 14, an ultrasonic receiver 15, a mounting seat 16, a mounting groove 17, a first transmission gear 18, a first transmission shaft 19, a first driving gear 20, a second transmission gear 21, a second transmission shaft 22, a second driving gear 23, a transmission chain wheel 24, a rotation chain wheel 25 and a driving chain wheel 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a railway track crack detection device comprises a carrying vehicle body 1, an obstacle clearing mechanism and a detection mechanism, wherein a traveling wheel 3 traveling on a railway track 2 is mounted on the carrying vehicle body 1 in a matching manner, the obstacle clearing mechanism is mounted at the front end of the carrying vehicle body 1 in a matching manner, the detection mechanism is mounted on two sides of the traveling wheel 3 in a matching manner, and the obstacle clearing mechanism and the detection mechanism are both connected with a driving motor 4 through power of a transmission mechanism;

the mechanism of removing obstacles includes: a plurality of groups of first chutes 5 fixedly connected to the front end of the carrier vehicle body 1 and arranged along the vertical direction, first screws 6 nested in the first chutes 5 in a relative rotation manner, lifting plates 7 nested in the first chutes 5 in a relative sliding manner and screwed with the corresponding first screws 6, and obstacle clearing plates 8 fixedly connected to the lower sides of the lifting plates 7;

the detection mechanism includes: the second sliding chutes 9 are arranged on the carrier vehicle body 1 and are arranged at two sides of each group of travelling wheels 3, the second screw rods 10 are nested in the second sliding chutes 9 in a relative rotation mode, the lifting seats 11 are nested in the second sliding chutes 9 in a relative rotation mode and are screwed with the second screw rods 10, one ends of the supporting rods 12 are hinged at the bottom of the carrier vehicle body 1, the bottom ends of the supporting rods 12 are fixedly connected with ultrasonic detection equipment, and the two ends of the connecting rods 13 are respectively hinged with the ultrasonic detection equipment and the lifting seats 11; the ultrasonic detection device includes an ultrasonic transmitter 14, an ultrasonic receiver 15 and is arranged on both sides of the travel wheel 3, respectively.

In some of the implementation, the bottom of the carrier vehicle body 1 is fixedly connected with two sets of installation seats 16 arranged side by side, installation grooves 17 are formed in the installation seats 16, the traveling wheels 3 are nested and installed in the installation grooves 17 in a relative rotation mode, each set of second sliding grooves 9 are formed in the outer side wall of the installation seat 16 and are arranged in the vertical direction, and the installation seats 16 and the installation grooves 17 can ensure that the traveling wheels 3 and the detection mechanism are stably installed on the carrier vehicle body 1.

In some of these implementations, the transmission mechanism includes: first transmission gears 18 fixedly connected to the top ends of the groups of first screw rods 6, a first transmission shaft 19 which is nested and arranged on the carrier vehicle body 1 in a relative rotation mode and is arranged horizontally, and a plurality of groups of first driving gears 20 fixedly connected to the first transmission shaft 19 and meshed with the groups of first transmission gears 18; the first drive gear 18 and the first drive gear 20 are bevel gears.

In some of these implementations, the drive mechanism further includes: the second transmission gears 21 are fixedly connected to the top ends of the groups of second screw rods 10, the second transmission shafts 22 which are nested and arranged on the carrier vehicle body 1 in a relative rotation mode and are arranged horizontally, and the groups of second driving gears 23 are fixedly connected to the second transmission shafts 22 and are meshed with the groups of second transmission gears 21; the second transmission gear 21 and the second driving gear 23 are both bevel gears.

In some embodiments, the first transmission shaft 19 and the second transmission shaft 22 are both fixedly connected with a transmission sprocket 24, and the two sets of transmission sprockets 24 realize chain transmission through a chain, the second transmission shaft 22 is also fixedly connected with a rotation sprocket 25, the driving motor 4 is fixedly mounted on the carrier vehicle body 1, the rotation shaft of the driving motor 4 is fixedly connected with a driving sprocket 26, and the driving sprocket 26 and the rotation sprocket 25 realize chain transmission through a chain.

The working principle of the utility model is as follows: in use, the driving motor 4 drives the driving sprocket 26 to rotate when operating, and further drives the rotating sprocket 25 and the second transmission shaft 22 fixedly connected with the rotating sprocket 25 to rotate, and drives the first transmission shaft 19 to rotate synchronously through the combination of the transmission sprocket 24 and the chain. When the second transmission shaft 22 rotates, the second driving gears 23 of each group are driven to synchronously rotate so as to drive the second transmission gears 21 of each group and the second screw 10 fixedly connected with the second transmission gears 21 to synchronously rotate, and then drives each group of lifting seat 11 to slide along the second sliding chute 9 synchronously, when the lifting seat 11 descends, the ultrasonic detection equipment can be driven by the connecting rod 13 to turn over to the horizontal state and be horizontally opposite to the railway track 2, the ultrasonic transmitter 14 transmits ultrasonic waves, the ultrasonic waves are received by the ultrasonic receiver 15 through the railway guide rail, comparing the ultrasonic wave change before and after transmission to judge whether the railway track 2 has cracks or not so as to monitor the state of the railway track 2, when the lifting seat 11 ascends, the ultrasonic detection equipment can be driven to overturn to a vertical state and retract to the two sides of the mounting seat 16, and the situation that the position of the ultrasonic detection equipment is too low and collides with surrounding obstacles is avoided. First transmission shaft 19 drives each first drive gear 20 of group synchronous rotation when rotating, rotate in step with the first screw rod 6 of each first drive gear 18 of drive group and with first drive gear 18 rigid coupling, and then drive lifter plate 7 along first spout 5 up-and-down motion, when ultrasonic detection equipment stretches out, clearance board 8 moves to the lower extreme under lifter plate 7's drive, can block the obstacle that delivery automobile body 1 marchd the in-process and meet, protection ultrasonic detection equipment does not receive the damage, when ultrasonic detection equipment department retrieves, clearance board 8 moves to the top under lifter plate 7's drive, avoid clearance board 8 to last and the place ahead obstacle collision, improve clearance board 8 life.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a railway rails crack detection device which characterized in that: the obstacle clearing and detecting device comprises a carrying vehicle body (1), an obstacle clearing mechanism and a detecting mechanism, wherein a traveling wheel (3) traveling on a railway track (2) is arranged on the carrying vehicle body (1) in a matched manner, the obstacle clearing mechanism is arranged at the front end of the carrying vehicle body (1) in a matched manner, the detecting mechanism is arranged on two sides of the traveling wheel (3) in a matched manner, and the obstacle clearing mechanism and the detecting mechanism are both connected with a driving motor (4) through power of a transmission mechanism;

the clearance obstacles mechanism includes: the conveying device comprises a plurality of groups of first sliding chutes (5) fixedly connected to the front end of a conveying vehicle body (1) and arranged along the vertical direction, first screw rods (6) nested in the first sliding chutes (5) in a relative rotating mode, lifting plates (7) nested in the first sliding chutes (5) in a relative sliding mode and screwed with the corresponding first screw rods (6), and barrier cleaning plates (8) fixedly connected to the lower sides of the lifting plates (7);

the detection mechanism includes: the device comprises second sliding grooves (9) which are arranged on a carrying vehicle body (1) and are arranged on two sides of each group of travelling wheels (3), second screw rods (10) which are nested in the second sliding grooves (9) in a relative rotation mode, lifting seats (11) which are nested in the second sliding grooves (9) in a relative rotation mode and are screwed with the second screw rods (10), supporting rods (12) with one ends hinged to the bottom of the carrying vehicle body (1), ultrasonic detection equipment fixedly connected with the other ends of the supporting rods (12) at the bottom ends, and connecting rods (13) with two ends respectively hinged to the ultrasonic detection equipment and the lifting seats (11); the ultrasonic detection equipment comprises an ultrasonic transmitter (14) and an ultrasonic receiver (15) which are respectively arranged at two sides of the travelling wheel (3).

2. The railroad track crack detection device of claim 1, wherein: the utility model discloses a transport vehicle body (1) bottom rigid coupling has two sets of mount pad (16) of arranging side by side, and has seted up mounting groove (17) in mount pad (16), advancing wheel (3) are installed in mounting groove (17) with relative pivoted mode nestification, each group second spout (9) are seted up on the lateral wall of mount pad (16) and are arranged along vertical direction.

3. The railroad track crack detection device of claim 1, wherein: the transmission mechanism includes: the first transmission gears (18) are fixedly connected to the top ends of the first screw rods (6), the first transmission shafts (19) are nested and installed on the carrier vehicle body (1) in a relative rotation mode and are horizontally arranged, and a plurality of groups of first driving gears (20) are fixedly connected to the first transmission shafts (19) and are meshed with the first transmission gears (18); the first transmission gear (18) and the first driving gear (20) both adopt bevel gears.

4. A railroad track crack detection device as claimed in claim 3, characterized in that: the transmission mechanism further includes: the second transmission gears (21) are fixedly connected to the top ends of the groups of second screw rods (10), the second transmission shafts (22) which are nested and arranged on the carrier vehicle body (1) in a relative rotation mode and are arranged horizontally, and a plurality of groups of second driving gears (23) which are fixedly connected to the second transmission shafts (22) and are meshed with the groups of second transmission gears (21) are fixedly connected; the second transmission gear (21) and the second driving gear (23) adopt bevel gears.

5. The railroad track crack detection device of claim 4, wherein: all the fixedly connected with drive chain wheels (24) on the first drive shaft (19) and the second drive shaft (22), and the chain transmission is realized through the chain in two sets of drive chain wheels (24), the rotating chain wheel (25) is also fixedly connected on the second drive shaft (22), the drive motor (4) is fixedly mounted on the carrying vehicle body (1) and on the rotating shaft of the drive motor (4), the fixedly connected with drive chain wheel (26) and the rotating chain wheel (25) realize the chain transmission through the chain.