CN113022605B

CN113022605B - Rail flaw detection device for rail transit

Info

Publication number: CN113022605B
Application number: CN202110252294.7A
Authority: CN
Inventors: 温金慧
Original assignee: LIUZHOU KELU MEASUREMENT INSTRUMENT CO Ltd
Current assignee: LIUZHOU KELU MEASUREMENT INSTRUMENT CO Ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2022-10-04
Anticipated expiration: 2041-03-08
Also published as: CN113022605A

Abstract

The invention discloses a steel rail flaw detection device for rail transit, and relates to the technical field of flaw detection devices. The invention comprises a base body and an assembly part, wherein a bottom groove is arranged on the bottom surface of the base body, a first air cylinder is arranged in the bottom groove, a main telescopic column is arranged at the output end of the first air cylinder, one end of the main telescopic column is fixedly connected with a supporting plate, side grooves are respectively arranged on two opposite side surfaces of the base body, a second air cylinder is arranged in each side groove, an auxiliary telescopic column is arranged at the output end of the second air cylinder, an installation groove is arranged on the upper surface of the assembly part, cushion pads are respectively arranged on two opposite surfaces of the installation groove, a through groove is arranged on the bottom surface of the installation groove, a flaw detector is arranged in each installation groove, and a flaw detection head is arranged on the bottom surface of the flaw detector. The device is easier and labor-saving to install between the device and the steel rail by arranging the plurality of groups of cylinders, the plurality of groups of telescopic columns, the through groove, the assembly part, the installation groove, the clamping plate, the slot and the clamping column, does not need to be lifted by a plurality of people, has high assembly efficiency, and can protect the flaw detector and the driving wheel.

Description

Rail flaw detection device for rail transit

Technical Field

The invention belongs to the field of flaw detection devices, and particularly relates to a rail flaw detection device for rail transit.

Background

The rail is a main component of a railway track and has the function of guiding the wheels of a rolling stock to advance, bearing the great pressure of the wheels and transmitting the pressure to the sleepers; the steel rail must provide a continuous, smooth and minimum-resistance rolling surface for the wheels, and can be used as a track circuit in an electrified railway or an automatic block section, the steel rail can be divided into three types, namely a crane rail (crane rail), a heavy rail and a light rail, according to the kilogram number of the weight of each meter, and the steel rail can generate small cracks and is not easy to find after being used for a long time; therefore, a steel rail flaw detection device is often used to perform maintenance, survey and detection on the steel rail.

Most of the existing steel rail flaw detection devices are integrated devices, the size is large, the weight is heavy, a constructor is very laborious to lift the device onto a rail, the device is usually carried by several workers, and the rollers are not easy to align with the rail, so that the assembly between the device and the rail is very troublesome; in severe environment, impurities such as stones and the like exist on the rail, so that flaw detectors are easy to damage, and flaw detection work is influenced; therefore, a rail flaw detection device for rail transit is proposed.

Disclosure of Invention

The invention aims to provide a rail flaw detection device for rail transit, which solves the problem that the conventional flaw detection device is very labor-consuming to lift onto a rail by arranging a through groove, an assembly part, a mounting groove, a clamping plate, a slot and a clamping column; the problem that the roller is not easy to align with a rail when the conventional flaw detection device is assembled is solved by arranging the first cylinder, the main telescopic column, the second cylinder, the auxiliary telescopic column and the assembly part; through setting up extension board and water conservancy diversion shovel board, solved current flaw detection device and beaten the problem of hindering by impurity or stone on the rail easily in the course of the work.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a steel rail flaw detection device for rail transit, which comprises a base body and assembly parts, wherein a bottom groove is arranged on the bottom surface of the base body, a first air cylinder is arranged in the bottom groove, a main telescopic column is arranged at the output end of the first air cylinder, a supporting plate is fixedly connected to one end of the main telescopic column, an anti-abrasion pad is arranged on the bottom surface of the supporting plate, side grooves are arranged on two opposite side surfaces of the base body, a second air cylinder is arranged in each side groove, auxiliary telescopic columns are arranged at the output ends of the second air cylinders, the number of the assembly parts is two, the two assembly parts are symmetrically arranged about the central line of the base body, and one end of each auxiliary telescopic column is connected with the assembly part; first cylinder drives main flexible post and stretches out and draws back, when needs and the rail between assemble, first cylinder will mainly stretch out and draw back the post lift, the backup pad props the device wholly, the second cylinder drives vice flexible post and stretches out and draws back, when stretching out and drawing back to suitable position with the drive wheel, first cylinder will mainly stretch out and draw back the post, the drive wheel can stable mounting on the rail, this mode lets the assembly between device and the rail become very simple and laborsaving, need not to be using for lifting the device consuming a large amount of manpowers, the abrasionproof pad prevents that the backup pad from being worn and torn when supporting the sleeper.

Furthermore, a plurality of driving mechanisms are arranged on the bottom surface of the assembly part, a driving wheel is mounted at the output end of the driving mechanism, an installation groove is formed in the upper surface of the assembly part, cushion pads are arranged on two opposite surfaces of the installation groove, a through groove is formed in the bottom surface of the installation groove, the through groove penetrates through the assembly part, a flaw detector is mounted in the installation groove, a flaw detection head is arranged on the bottom surface of the flaw detector, the flaw detector is mounted in the installation groove, the flaw detection head is located in the through groove, and the driving mechanism drives the driving wheel to rotate; the flaw detector can be assembled through the mounting groove, and the flaw detector body is heavier, so that the flaw detector can be disassembled to facilitate the assembly between the base body and the steel rail; the substrate is assembled behind the rail; the appearance of detecting a flaw is installed in the mounting groove, and the head of detecting a flaw inserts logical groove, and the head of detecting a flaw carries out the rail through leading to the groove and detects a flaw, and the blotter promotes the protectiveness to the appearance of detecting a flaw, prevents that the appearance of detecting a flaw from receiving wearing and tearing, carries out buffer protection to the appearance of detecting a flaw.

Further, terminal surface fixedly connected with extends the board before the assembly member, the water conservancy diversion shovel board is installed to extension board bottom surface, and the extension board is used for the installation of water conservancy diversion shovel board, and water conservancy diversion shovel board can carry out the shovel to stone or impurity on the rail, with stone guider both sides, prevents that impurities such as stone from damaging the appearance of detecting a flaw, prevents that stone from influencing the drive wheel and removing.

Further, two first locating plates are fixedly connected to the bottom surface of the base body, the two first locating plates are symmetrically arranged about the central line of the base body, a second locating plate is arranged on the bottom surface of the assembly part, the position of the second locating plate is matched with the first locating plates, a fixed outer barrel is arranged on one side surface of the first locating plate, a telescopic inner barrel is arranged on one side surface of the second locating plate, the telescopic inner barrel is matched with the fixed outer barrel, the first locating plate and the second locating plate are connected through the telescopic inner barrel and the fixed outer barrel, the telescopic inner barrel moves along with the auxiliary telescopic column, the stability of the assembly part during stretching is improved, meanwhile, the overall support performance is also improved, and the device is more stable during assembly.

Furthermore, the two opposite surfaces of the flaw detector are provided with clamping plates, slots penetrate through one surface of each clamping plate, a plurality of clamping columns are arranged on the upper surface of the assembly part, and the positions of the clamping columns are matched with the slots.

Furthermore, a spring groove is formed in one surface of the clamping column, a memory spring is arranged in the spring groove, one end of the memory spring is fixedly connected with a clamping block, the size of the clamping block is smaller than that of the spring groove, when the flaw detector is installed, the clamping column is inserted into the slot, the clamping block is extruded by the slot, the clamping block is pressed into the spring groove, when the clamping column is completely inserted, the clamping block is popped out, the flaw detector is fixed, the flaw detector is more stably installed and fixed in the mode, and meanwhile, the installation mode is simple; the flaw detector can be taken out by pressing the fixture block into the spring groove.

Further, the base member upper surface is provided with the bracing piece, the display is installed to bracing piece one end, display and the appearance communication connection that detects a flaw, bracing piece rear end face fixedly connected with extension rod, the relative both sides face of extension rod all is provided with the handle, observes the data of the appearance of detecting a flaw through the display convenience.

Further, the upper surface of the base body is further provided with a plurality of handles, the side faces of the periphery of each handle are provided with anti-abrasion chamfers, the handles are convenient for users to lift the base body, and the users can assemble or disassemble the base body conveniently.

The invention has the following beneficial effects:

1. through the arrangement of the through groove, the assembly part, the mounting groove, the clamping plate, the slot and the clamping column, the flaw detector and the device can be easily assembled or disassembled, and the convenience of assembly between the base body and the steel rail is greatly improved; through setting up the blotter, promote the protectiveness to the appearance of detecting a flaw, prevent that the appearance of detecting a flaw from receiving wearing and tearing, carry out buffer protection to the appearance of detecting a flaw.

2. According to the invention, by arranging the first cylinder, the main telescopic column, the second cylinder, the auxiliary telescopic column and the assembly part, the problem that the roller is not easy to align with the rail when the conventional flaw detection device is assembled is solved, so that a user can assemble the device and the rail more easily and more labor-saving, and the assembly efficiency is high.

3. According to the invention, by arranging the extension plate and the flow guide shovel plate, stones or impurities on the steel rail can be shoveled, the stones are guided to two sides of the device, the flaw detector is prevented from being damaged by the impurities such as the stones, and the driving wheel is prevented from being influenced by the stones; through setting up multiunit locating plate, fixed urceolus and flexible inner tube, let the device when flexible assembly, have good stability and support nature, it is more durable.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic isometric view of a rail inspection apparatus for rail transit;

FIG. 2 is a schematic bottom perspective view of a rail flaw detector for rail transit;

FIG. 3 is a schematic top view of a rail inspection apparatus for rail transit;

FIG. 4 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 3;

FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 3;

FIG. 6 is an enlarged view of a portion C of FIG. 5;

FIG. 7 is a front view of a rail inspection apparatus for rail transit

In the drawings, the reference numbers indicate the following list of parts: 1. a substrate; 2. a support bar; 3. a display; 4. an extension rod; 5. a handle; 6. a bottom groove; 7. a first cylinder; 8. a main telescopic column; 9. a support plate; 10. an anti-wear pad; 11. a side groove; 12. a second cylinder; 13. an auxiliary telescopic column; 14. an assembly member; 15. a first positioning plate; 16. a second positioning plate; 17. fixing the outer cylinder; 18. an inner telescopic cylinder; 19. an extension plate; 20. a diversion shovel plate; 21. mounting grooves; 22. a through groove; 23. a cushion pad; 24. a flaw detector; 25. a flaw detection head; 26. a drive mechanism; 27. a drive wheel; 28. clamping a plate; 29. a slot; 30. clamping the column; 31. a spring slot; 32. a memory spring; 33. a clamping block; 34. a handle.

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, the invention relates to a rail flaw detection device for rail transit, which comprises a base body 1 and assembly parts 14, wherein a bottom groove 6 is arranged on the bottom surface of the base body 1, a first air cylinder 7 is arranged in the bottom groove 6, a main telescopic column 8 is arranged at the output end of the first air cylinder 7, one end of the main telescopic column 8 is fixedly connected with a support plate 9, an anti-abrasion pad 10 is arranged on the bottom surface of the support plate 9, side grooves 11 are respectively arranged on two opposite side surfaces of the base body 1, a second air cylinder 12 is arranged in each side groove 11, auxiliary telescopic columns 13 are arranged at the output end of each second air cylinder 12, the number of the assembly parts 14 is two, the two assembly parts 14 are symmetrically arranged about the central line of the base body 1, and one ends of the auxiliary telescopic columns 13 are connected with the assembly parts 14; first cylinder 7 drives main flexible post 8 and stretches out and draws back, when needs and the rail between assemble, first cylinder 7 goes up and down main flexible post 8, backup pad 9 props up the device wholly, second cylinder 12 drives vice flexible post 13 and stretches out and draws back, when stretching out and drawing back drive wheel 27 to suitable position, first cylinder 7 withdraws main flexible post 8, drive wheel 27 can stable installation on the rail, this mode lets the assembly between device and the rail become very simple and laborsaving, need not being used for lifting the device consuming a large amount of manpowers, abrasionproof pad 10 prevents backup pad 9 by wearing and tearing when supporting the sleeper.

Preferably, a plurality of driving mechanisms 26 are arranged on the bottom surface of the assembly part 14, driving wheels 27 are mounted at the output ends of the driving mechanisms 26, an installation groove 21 is arranged on the upper surface of the assembly part 14, cushion pads 23 are arranged on two opposite surfaces of the installation groove 21, a through groove 22 is arranged on the bottom surface of the installation groove 21, the through groove 22 penetrates through the assembly part 14, a flaw detector 24 is mounted inside the installation groove 21, a flaw detector head 25 is arranged on the bottom surface of the flaw detector 24, the flaw detector 24 is mounted inside the installation groove 21, the flaw detector head 25 is located inside the through groove 22, and the driving wheels 27 are driven by the driving mechanisms 26 to rotate; the flaw detector 24 can be assembled through the mounting groove 21, and the flaw detector 24 is detached to facilitate the assembly between the base body 1 and the steel rail due to the heavy weight of the flaw detector 24 body; the base body 1 is assembled behind the rail; flaw detector 24 installs in mounting groove 21, and flaw detection head 25 inserts logical groove 22, and flaw detection head 25 carries out rail through leading to groove 22 and detects a flaw, and blotter 23 promotes the protectiveness to flaw detector 24, prevents that flaw detector 24 from receiving wearing and tearing, carries out buffer protection to flaw detector 24.

Preferably, an extension plate 19 is fixedly connected to a front end face of the assembly member 14, a diversion shovel 20 is installed on a bottom face of the extension plate 19, the extension plate 19 is used for installing the diversion shovel 20, the diversion shovel 20 can shovel stones or impurities on a steel rail, two sides of a stone guiding device are prevented from damaging the flaw detector 24 due to the impurities such as stones, and the stones are prevented from affecting movement of the driving wheel 27.

Preferably, two first positioning plates 15 are fixedly connected to the bottom surface of the base 1, the two first positioning plates 15 are symmetrically arranged about the center line of the base 1, a second positioning plate 16 is arranged on the bottom surface of the assembly part 14, the position of the second positioning plate 16 is matched with that of the first positioning plate 15, a fixed outer cylinder 17 is arranged on one side surface of the first positioning plate 15, a telescopic inner cylinder 18 is arranged on one side surface of the second positioning plate 16, the telescopic inner cylinder 18 is matched with the fixed outer cylinder 17, the first positioning plate 15 and the second positioning plate 16 are connected with the fixed outer cylinder 17 through the telescopic inner cylinder 18, the telescopic inner cylinder 18 moves along with the auxiliary telescopic column 13, the stability of the assembly part 14 during telescopic movement is improved, meanwhile, the overall support performance is also improved, and the device is more stable during assembly.

Preferably, the flaw detector 24 has two opposite surfaces each provided with a clamping plate 28, one surface of the clamping plate 28 has a slot 29 therethrough, and the upper surface of the assembly member 14 has a plurality of clamping posts 30, the positions of the clamping posts 30 corresponding to the slots 29.

Preferably, a spring groove 31 is formed in one surface of the clamping column 30, a memory spring 32 is arranged in the spring groove 31, one end of the memory spring 32 is fixedly connected with a clamping block 33, the size of the clamping block 33 is smaller than that of the spring groove 31, when the flaw detector 24 is installed, the clamping column 30 is inserted into the slot 29, the clamping block 33 is extruded by the slot 29, the clamping block 33 is pressed into the spring groove 31 by times, when the clamping column 30 is completely inserted, the clamping block 33 is popped out to fix the flaw detector 24, the mode enables the flaw detector 24 to be installed and fixed more stably, and meanwhile, the installation mode is simple; the flaw detector 24 can be taken out by pressing the fixture block 33 into the spring groove 31.

Preferably, 1 upper surface of base member is provided with bracing piece 2, and display 3 is installed to 2 one end of bracing piece, display 3 and the appearance 24 communication connection that detects a flaw, 2 rear end face fixedly connected with extension rod 4 of bracing piece, the relative both sides face of extension rod 4 all is provided with handle 5, observes the data of appearance 24 that detects a flaw through display 3 convenience.

Preferably, the upper surface of the base body 1 is further provided with a plurality of handles 34, the peripheral side surfaces of the handles 34 are provided with anti-abrasion chamfers, and the handles 34 facilitate the user to lift the base body 1, so that the user can assemble or disassemble the base body conveniently.

The embodiment is as follows: the flaw detector 24 can be assembled through the mounting groove 21, and the flaw detector 24 is detached to facilitate the assembly between the base body 1 and the steel rail due to the heavy weight of the flaw detector 24 body; the device is integrally lifted to the middle of a sleeper, the first air cylinder 7 lifts the main telescopic column 8, the supporting plate 9 integrally supports the device, the second air cylinder 12 drives the auxiliary telescopic column 13 to stretch, when the driving wheel 27 stretches to a proper position, the first air cylinder 7 withdraws the main telescopic column 8, and the driving wheel 27 can be stably arranged on a rail; the flaw detector 24 is arranged in the mounting groove 21, the flaw detection head 25 is inserted into the through groove 22, the buffer pad 23 improves the protection of the flaw detector 24, the clamping column 30 is inserted into the slot 29, the clamping block 33 is extruded by the slot 29, the clamping block 33 is pressed into the spring groove 31 in a multiplying mode, and when the clamping column 30 is completely inserted, the clamping block 33 is ejected out to fix the flaw detector 24; the flaw detection head 25 performs rail flaw detection through the through groove 22; moving the device by means of the drive wheels 27, data observation is carried out by means of the display 3; when it is desired to remove the apparatus from the rail, the flaw detector 24 is removed and the apparatus is removed.

It should be noted that, in the foregoing system embodiment, each included component is merely divided according to functional logic, but is not limited to the above division as long as the corresponding function can be achieved; in addition, the specific names of the functional components are only used for distinguishing one from another, and are not used for limiting the protection scope of the present invention.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rail flaw detection device for rail transit comprises a base body (1) and an assembly part (14), and is characterized in that: the utility model discloses a flaw detector, including base member (1) bottom surface, kerve (6) internally mounted have first cylinder (7), first cylinder (7) output is provided with main flexible post (8), main flexible post (8) one end fixedly connected with backup pad (9), backup pad (9) bottom surface is provided with abrasionproof pad (10), the relative both sides face of base member (1) all is provided with side groove (11), side groove (11) internally mounted has second cylinder (12), second cylinder (12) output is provided with vice flexible post (13), assembly member (14) quantity is two, and two assembly members (14) are the symmetry setting about base member (1) central line, vice flexible post (13) one end is connected with assembly member (14), and assembly member (14) bottom surface is provided with a plurality of actuating mechanism (26), drive wheel (27) are installed to actuating mechanism (26) output, assembly member (14) upper surface is provided with mounting groove (21), mounting groove (21) relative both surfaces all are provided with blotter bottom surface (23), mounting groove (21) is provided with logical groove (22), assembly member (22) runs through groove (24), flaw detector (24) is installed to flaw detector head (24), the flaw detector (24) is installed in the installation groove (21), the flaw detection head (25) is located inside the through groove (22), the bottom surface of the base body (1) is fixedly connected with two first positioning plates (15), the two first positioning plates (15) are symmetrically arranged relative to the center line of the base body (1), the bottom surface of the assembly part (14) is provided with a second positioning plate (16), the position of the second positioning plate (16) is matched with that of the first positioning plate (15), one side surface of the first positioning plate (15) is provided with a fixed outer cylinder (17), one side surface of the second positioning plate (16) is provided with a telescopic inner cylinder (18), and the telescopic inner cylinder (18) is matched with the fixed outer cylinder (17);

an extension plate (19) is fixedly connected to the front end face of the assembly part (14), and a diversion shovel plate (20) is installed on the bottom face of the extension plate (19);

the two opposite surfaces of the flaw detector (24) are respectively provided with a clamping plate (28), one surface of each clamping plate (28) is provided with a slot (29) in a penetrating manner, the upper surface of the assembly part (14) is provided with a plurality of clamping columns (30), and the positions of the clamping columns (30) are matched with the slots (29);

a spring groove (31) is formed in one surface of the clamping column (30), a memory spring (32) is arranged in the spring groove (31), one end of the memory spring (32) is fixedly connected with a clamping block (33), and the size of the clamping block (33) is smaller than that of the spring groove (31).

2. The rail transit rail flaw detection device according to claim 1, wherein a support rod (2) is arranged on the upper surface of the base body (1), a display (3) is installed at one end of the support rod (2), the display (3) is in communication connection with a flaw detector (24), an extension rod (4) is fixedly connected to the rear end face of the support rod (2), and handles (5) are arranged on two opposite side faces of the extension rod (4).

3. The rail flaw detection device for the rail transit according to claim 1, wherein a plurality of handles (34) are further arranged on the upper surface of the base body (1), and an anti-abrasion chamfer is arranged on the peripheral side surface of each handle (34).