CN204711265U - A kind of rail Manual damage producing device - Google Patents

Abstract

The utility model discloses a kind of rail Manual damage producing device, for making the Manual damage of simulation rail head of rail core wound, device comprises: be no less than two back-up blocks providing support for rail and locate, back-up block comprises the first web, the second web, base plate further, and be oppositely arranged two blocks of side plates.First web, the second web arrange both sides between the side plates, and base plate is arranged on the bottom of the first web, the second web, side plate.Side plate is that the sidepiece of rail provides support, and the top profile of side plate matches with the sidepiece profile of rail, makes the rail head side of rail be parallel to horizontal plane.When the utility model can solve and adopt existing mode to make rail Manual damage, operating process very complicated, hurt precision are difficult to ensure, cannot meet the technical problem of the crank detection test test request of rail-defect detector car.

Description

A device for making artificial damage to rails

technical field

The utility model relates to a test tool, in particular to a drilling device for artificially manufacturing steel rail damage, especially for manufacturing simulated rail head nuclear damage.

Background technique

The calibration test of the rail flaw detection vehicle is to carry out flaw detection on the test line, and to debug the flaw detection system by repeatedly detecting artificial damage, so as to debug the flaw detection system with the highest detection rate and the lowest false alarm rate. If the artificial damage error is very large, it cannot accurately reflect the actual detection performance of the flaw detection detection system, let alone optimize and debug the detection system. Therefore, it is of great significance to calibrate the artificial damage accuracy of the line rail for the flaw detection system, and a set of tooling that can ensure the accuracy of damage production is of great significance to the calibration test of the entire flaw detection vehicle.

"Large Ultrasonic Rail Flaw Detection Vehicle" (GB/T28246-2012) puts forward clear regulations on the dynamic test line of the flaw detection vehicle, requiring that rails with artificial damage must be laid in the test line, and the size, position, and angle of the damage must be laid. 1. The laying sequence of the damaged rails puts forward clear requirements to ensure the calibration effect of the flaw detection system in the flaw detection test of the flaw detection vehicle.

In the prior art, special professional equipment is needed to make the artificial damage to the rail to ensure the accuracy of the damage, so as to test the flaw detection ability of the rail flaw detection vehicle. At present, there is no complete set of professional auxiliary equipment for artificial damage according to the above-mentioned standards in China, and only simple tools such as electric hand drills can be used to manually drill holes. The method of manual drilling to make damage is not only cumbersome and complicated, but more importantly, it cannot guarantee the accuracy of damage production, so it cannot meet the requirements of the flaw detection test of the rail flaw detection vehicle.

Utility model content

In view of this, the purpose of this utility model is to provide a rail artificial damage manufacturing device, which can overcome the difficulty in ensuring the accuracy of the damage when the existing method is used to manufacture the artificial damage of the rail, and cannot meet the flaw detection test requirements of the rail flaw detection vehicle. technical problem.

In order to achieve the purpose of the above-mentioned utility model, the utility model specifically provides a technical realization scheme of a rail artificial damage manufacturing device. The rail artificial damage manufacturing device is used to make artificial damage simulating rail head nuclear damage. It includes: no less than two support blocks providing support and positioning for the rail, and the support block further includes a first web, a second web, a bottom plate, and two opposite side plates. The first web and the second web are disposed on both sides between the side plates, and the bottom plate is disposed at the bottom of the first web, the second web and the side plates. The side plates provide support for the sides of the rail, and the top profile of the side plates matches the profile of the side portions of the rail so that the head side of the rail is parallel to the horizontal plane.

Preferably, the first web is arranged close to the rail head of the rail, and the second web is arranged near the bottom of the rail.

Preferably, the device further includes a rail turning crowbar for turning over the rail, the first web is higher than the second web, and the first web is the The rail overturn operation of the crowbar provides support.

Preferably, the device further includes a drilling machine for drilling the rail, the drill bit of the drilling machine is perpendicular to the side of the rail, and is used to process a straight hole parallel to the rail head section of the rail.

Preferably, a hoisting hole is provided on the side plate, and the hoisting hole can provide a hoisting position for the device and at the same time reduce the weight of the device.

Preferably, the device further includes a spacer that provides inclined support for the drill press, and the spacer is arranged at the bottom of the drill press so that the drill bit of the drill press forms a certain inclination angle with the side of the rail head of the rail .

Preferably, the pad has an inclination angle of 17.5°, which is used for processing an oblique hole forming an angle of 17.5° with the rail head section of the rail.

Preferably, the device includes two support blocks, and the drilling machine is arranged between the two support blocks.

By implementing the technical scheme of the above-mentioned rail artificial damage manufacturing device provided by the utility model, it has the following beneficial effects:

(1) The design idea of the utility model is ingenious, the structure is simple and practical, and the cost is low;

(2) The benchmark reference of the utility model is accurate, effectively guarantees the damage manufacturing precision stipulated in the national standard, and can well meet the test requirements of the flaw detection test of the rail flaw detection vehicle.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Apparently, the accompanying drawings in the following description are only some embodiments of the present utility model, and those skilled in the art can obtain other embodiments according to these drawings without creative efforts.

Fig. 1 is the transverse sectional structure schematic diagram of the first artificial damage of the rail made by the utility model;

Fig. 2 is the transverse cross-sectional structure schematic diagram of the second artificial damage of the rail produced by the utility model;

Fig. 3 is the transverse cross-sectional structure schematic diagram of the third kind of rail artificial damage produced by the utility model;

Fig. 4 is a schematic diagram of the cross-sectional structure of the fourth rail artificial damage produced by the utility model;

Fig. 5 is a schematic diagram of a longitudinal section structure of a fourth rail artificial damage produced by the utility model;

Fig. 6 is a schematic cross-sectional structure diagram of a specific embodiment of the utility model rail artificial damage manufacturing device;

Fig. 7 is a three-dimensional structural schematic diagram of another specific embodiment of the artificial rail damage manufacturing device of the present invention;

Fig. 8 is a schematic structural view of the cushion block in the rail artificial damage manufacturing device of the present invention;

Fig. 9 is a three-dimensional structural schematic diagram of the third specific embodiment of the artificial rail damage manufacturing device of the present invention;

In the figure: 1-support block, 2-side plate, 3-first web, 4-second web, 5-bottom plate, 6-hoisting hole, 7-rail turning crowbar, 8-drilling machine, 9-pad block, 10-rail, 20-artificial damage.

detailed description

For the sake of reference and clarity, the technical terms, abbreviations or abbreviations used below are recorded as follows:

Calibration: that is, the detection test of the standard damage by the flaw detection system of the rail flaw detection vehicle;

Dynamic test: a flaw detection test in which the rail flaw detection vehicle runs at a certain speed;

Rail head: the contact bearing part between the rail and the wheel;

Rail bottom: the bearing part where the rail is in contact with the ground;

Rail waist: the bearing part of the rail head and rail bottom;

Nuclear damage: It is a small crack originating from the inside of the rail head. The extremely complex stress combination that appears inside the rail head below the rail surface makes the small crack nucleate first, and then develop around the rail head until it reaches the periphery of the nuclear damage. The steel material is not enough to provide enough resistance, and the rail will eventually snap suddenly without warning;

Damaged rail: the rail after artificial damage.

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

As shown in accompanying drawings 6 to 9, specific embodiments of the rail artificial damage manufacturing device of the present invention are provided, and the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in accompanying drawings 1 to 5, it is a structural schematic diagram of artificial damage 20 of four kinds of rails 10 manufactured by using the artificial damage manufacturing device described in the specific embodiment of the present invention. As shown in the figure, the rail 10 is generally divided into three positions: a rail head, a rail waist and a rail bottom, and different types of artificial damage 20 are arranged on the rail head of the rail 10 . According to the regulations in "Large Ultrasonic Rail Flaw Detection Vehicle" (GB/T28246-2012), rail head nuclear damage is an important damage type for artificial damage simulation. As shown in accompanying drawings 1 to 4, there are four different types of artificial damage 20 rail head cross-sectional structural schematic diagrams, wherein the nuclear damage of the rail head is divided into holes parallel to the rail head section, and rail head section Holes at an angle of 17.5°.

Example 1

As shown in accompanying drawing 6, a kind of concrete embodiment of rail artificial damage making device is used for making the artificial damage 20 of simulation rail 10 rail head nuclear damage, and rail artificial damage making device comprises: no less than two for Rails 10 provide support and position the support block 1 . The support block 1 further includes a first web 3 , a second web 4 , a bottom plate 5 , and two side plates 2 oppositely arranged. The first web 3 and the second web 4 are arranged on both sides between the side plates 2 , and the bottom plate 5 is arranged on the bottom of the first web 3 , the second web 4 and the side plates 2 . The side plate 2 provides support for the side of the rail 10, and the top profile of the side plate 2 matches the profile of the side of the rail 10, so that the rail head side of the rail 10 is parallel to the horizontal plane.

As shown in FIG. 6 , the first web 3 is set close to the head of the rail 10 , and the second web 4 is set close to the bottom of the rail 10 . The rail artificial damage manufacturing device further includes a rail turning crowbar 7 for turning over the rail 10. The first web 3 is higher than the second web 4, and the first web 3 is the top of the turning rail 7. The flipping operation provides a support position. The side plate 2 is provided with a hoisting hole 6, and the hoisting hole 6 can also realize weight reduction of the device while providing a hoisting position for the device.

As shown in accompanying drawing 7, as a kind of preferred concrete embodiment of the utility model, the rail artificial damage manufacturing device further comprises the drilling machine 8 that the rail 10 is carried out drilling operation, and the drill bit of the drilling machine 8 is perpendicular to the side of the rail 10 , used to process a straight hole parallel to the rail head section of the rail 10. As a typical specific embodiment of the present invention, the rail artificial damage manufacturing device further includes two support blocks 1 , and the drilling machine 8 is further arranged between the two support blocks 1 .

When utilizing the rail artificial damage manufacturing device (straight hole frock) described in embodiment 1 to operate, earlier the rail 10 side of the standard 60kg/m is placed on the support block 1, and the placement surface of the support block 1 and the drilling machine 8 passes through the angle Measuring instrument guarantees parallelism, to guarantee that the rail head side of rail 10 is perpendicular to the drill bit direction of drilling machine 8, can guarantee like this four kinds of rail head nuclei damage requirements shown in accompanying drawing 1 to accompanying drawing 5. In addition, in order to further consider the on-site rail turning operation process, the rail artificial damage manufacturing device described in Embodiment 1 is further designed with the first web 3 providing a support position for the rail turning operation of the turning lever 7 .

Example 2

As shown in accompanying drawing 8, another specific embodiment of the device for making artificial damage to the rail, on the basis of the foregoing embodiment 1, the device for making artificial damage to the rail further includes a pad 9 that provides inclined support for the drill press 8, The pad 9 is arranged on the bottom of the drill press 8, so that the drill bit of the drill press 8 and the rail head side of the rail 10 form a certain inclination angle. The inclination angle of the spacer 9 is 17.5°, which is used for processing the inclined hole with the rail head section of the steel rail 10 at an angle of 17.5°.

As shown in accompanying drawing 9, be for the rail bottom that is parallel to rail 10, and the rail artificial damage making device (oblique hole frock) of the artificial damage 20 that forms 17.5 ° angle with the rail head section of rail 10. When utilizing the rail artificial damage manufacturing device described in embodiment 2 to operate, since the drill press 8 can only operate vertically with the reference plane placed, the drill press 8 must be inclined at 17.5 degrees while the rail 10 is laid flat. At this time, between the placement plane of the support block 1 and the pad 9, the angle measuring instrument is used to ensure parallelism, and the side of the rail 10 is placed on the support block 1 and parallel to the placement plane of the support block 1, and the bottom of the drilling machine 8 is adjusted by adding pads. Block 9 guarantees that the installation datum plane of drilling machine 8 is inclined 17.5 °, has not only guaranteed the position of doing damage of steel rail 10 artificial damage 20 like this, has satisfied the angle requirement of artificial damage 20 again.

By implementing the technical scheme of the rail artificial damage manufacturing device described in the specific embodiment of the utility model, the following technical effects can be produced:

(1) The rail artificial damage manufacturing device described in the specific embodiment of the utility model has ingenious design ideas, simple and practical structure, and low cost;

(2) The reference reference of the rail artificial damage manufacturing device described in the specific embodiment of the utility model is accurate, effectively ensuring the damage manufacturing accuracy specified in the national standard, and can well meet the test requirements of the rail flaw detection vehicle flaw detection test.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the spirit and technical solutions of the present utility model, can utilize the methods and technical contents disclosed above to make many possible changes and modifications to the technical solution of the utility model, or modify are equivalent embodiments with equivalent variations. Therefore, any simple modifications, equivalent replacements, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still protected by the technical solutions of the present invention. scope.

Claims (8)

1. A rail artificial damage making device is used to make the artificial damage (20) of simulating rail (10) rail head nuclear damage, it is characterized in that, said device comprises: no less than two for said rail ( 10) A support block (1) that provides support and positioning, the support block (1) further includes a first web (3), a second web (4), a bottom plate (5), and two opposite sides plate (2); the first web (3) and the second web (4) are arranged on both sides between the side plates (2), and the bottom plate (5) is arranged on the first web plate (3), the second web (4), the bottom of the side plate (2); the side plate (2) provides support for the side of the rail (10), and the top of the side plate (2) The shape matches the side shape of the rail (10), so that the rail head side of the rail (10) is parallel to the horizontal plane. 2. The rail artificial damage manufacturing device according to claim 1, characterized in that: the first web (3) is arranged close to the rail head of the rail (10), and the second web (4) It is arranged near the bottom of the rail (10). 3. The rail artificial damage manufacturing device according to claim 2, characterized in that: the device also includes a rail turning crowbar (7) for turning over the rail (10), the first A web (3) is higher than the second web (4), and the first web (3) provides support for the rail turning operation of the rail turning crowbar (7). 4. according to any one of claim 1 to 3 described manufacturing device of rail artificial damage, it is characterized in that: described device also comprises the drilling machine (8) that steel rail (10) is carried out drilling operation, described drilling machine ( 8) The drill bit is perpendicular to the side of the rail (10), and is used to process a straight hole parallel to the rail head section of the rail (10). 5. The rail artificial damage manufacturing device according to claim 4, characterized in that: the side plate (2) is provided with a hoisting hole (6), and the hoisting hole (6) provides hoisting for the device. position while reducing the weight of the device. 6. The rail artificial damage manufacturing device according to claim 4, characterized in that: the device also includes a pad (9) providing inclined support for the drill press (8), and the pad (9) is set At the bottom of the drill press (8), the drill bit of the drill press (8) is at a certain angle of inclination to the rail head side of the rail (10). 7. The rail artificial damage manufacturing device according to claim 6, characterized in that: the inclination angle of the spacer (9) is 17.5°, and is used for processing and the rail head section of the rail (10) is 17.5° ° angled hole. 8. The rail artificial damage manufacturing device according to any one of claims 5, 6 or 7, characterized in that: the device comprises two support blocks (1), and the drilling machine (8) is arranged on the between the two support blocks (1).