阅读说明：本技术 智能式轨道低应变裂纹检测装置 (intelligent track low strain crack detection device ) 是由 王艺锦 于 2019-09-29 设计创作，主要内容包括：本发明公开了智能式轨道低应变裂纹检测装置,其中：包括轨道车壳体,轨道车壳体内安装有行走装置、敲击装置、数据采集装置、控制器以及存储器,行走装置包括行走电机、第一传动轮、第二传动轮以及传动皮带,行走电机固定安装在轨道车壳体内,第一传动轮卡在轨道工字钢中部的一侧,第二传动轮卡在轨道工字钢中部的另一侧,传动皮带绕在第一传动轮的轮轴与行走电机的驱动轴上,第一传动轮的轮轴和第二传动轮的轮轴均通过一连接板与轨道车壳体下表面定位连接,第一传动轮的轮轴和第二传动轮的轮轴均与相应的连接板可转动配合,本发明具有结构简单、自动化程度高、能检测轨道裂纹的优点。(The invention discloses an intelligent track low-strain crack detection device, wherein: the rail car comprises a rail car shell, wherein a traveling device, a knocking device, a data acquisition device, a controller and a memory are arranged in the rail car shell, the traveling device comprises a traveling motor, a first transmission wheel, a second transmission wheel and a transmission belt, the traveling motor is fixedly arranged in the rail car shell, the first transmission wheel is clamped on one side of the middle part of a rail I-steel, the second transmission wheel is clamped on the other side of the middle part of the rail I-steel, the transmission belt is wound on a wheel shaft of the first transmission wheel and a driving shaft of the traveling motor, the wheel shaft of the first transmission wheel and the wheel shaft of the second transmission wheel are both in positioning connection with the lower surface of the rail car shell through a connecting plate, and the wheel shaft of the first transmission wheel and the wheel shaft of the second transmission wheel are both in rotatable fit with the corresponding connecting plates.)

1. Intelligent track low strain crack detection device, characterized by: the rail car comprises a rail car shell (1), wherein a walking device (2), a knocking device (3), a data acquisition device (4), a controller (5) and a memory (6) are installed in the rail car shell (1), the walking device (2) comprises a walking motor (21), a first transmission wheel (22), a second transmission wheel (23) and a transmission belt (24), the walking motor (21) is fixedly installed in the rail car shell (1), the first transmission wheel (22) is clamped on one side of the middle part of a rail I-shaped steel (7), the second transmission wheel (23) is clamped on the other side of the middle part of the rail I-shaped steel (7), the transmission belt (24) is wound on a wheel shaft of the first transmission wheel (22) and a driving shaft of the walking motor (21), the wheel shaft of the first transmission wheel (22) and the wheel shaft of the second transmission wheel (23) are connected with the lower surface of the rail car shell (1) in a positioning mode through a connecting plate (25), the wheel shaft of the first transmission wheel (22) and the wheel shaft of the second transmission wheel (23) are rotatably matched with corresponding connecting plates (25), the walking motor (21) can drive the first transmission wheel (22) to rotate, the knocking device (3) comprises a knocking motor (31) and a knocking hammer (32), the knocking motor (31) is fixed in the middle of the inside of the railcar shell (1), a telescopic shaft of the knocking motor (31) is fixedly connected with a hammer handle of the knocking hammer (32), the knocking hammer (32) is vertically arranged, a shell hole (11) is formed in the position, facing the middle of the track steel (7), of the lower surface of the railcar shell (1), of the lower surface of the railcar shell, the knocking motor (31) can extend the knocking hammer (32) out of the shell hole (11) to knock the track steel I-beam (7), and the data acquisition device (4) comprises an acquisition motor (41) and a low-strain signal acquisition end (42), the low-strain signal acquisition device is characterized in that the acquisition motor (41) is fixed in the middle of the inside of a railcar shell (1), the upper end of a telescopic shaft low-strain signal acquisition end (42) of the acquisition motor (41) is fixedly connected, the lower end of the low-strain signal acquisition end (42) is an acquisition end, the low-strain signal acquisition end (42) and a knocking hammer (32) are arranged in a staggered mode, the acquisition motor (41) can stretch the low-strain signal acquisition end (42) out of a shell hole (11) and attach the low-strain signal acquisition end to rail I-shaped steel (7), the controller (5) is fixed in the railcar shell (1), the controller (5) is respectively connected with the walking motor (21), the knocking motor (31) and the acquisition motor (41) and controls the three motors to operate, the memory (6) is fixed in the railcar shell (1), and the memory (6) is connected with the low-strain signal acquisition end (42), the low-strain signal acquisition head can store information acquired by the low-strain signal acquisition head (42), and the memory (6) can be taken out of the railcar shell (1).

2. The intelligent track low-strain crack detection device as claimed in claim 1, wherein: the lower surface of the knocking hammer (32) is coated with a rubber layer.

3. The intelligent track low-strain crack detection device as claimed in claim 2, wherein: the lower surface of the low-strain signal acquisition end (42) is coated with an adhesive layer, and the adhesive layer enables the low-strain signal acquisition end (42) to be in seamless contact with the track I-shaped steel (7).

4. The intelligent track low-strain crack detection device as claimed in claim 3, wherein: the adhesive layer is a silica gel layer.

5. The intelligent track low-strain crack detection device as claimed in claim 4, wherein: the walking motor (21) and the collecting motor (41) are stepping motors.

6. The intelligent rail low-strain crack detection device as claimed in claim 5, wherein: still install power supply unit (8) in railcar casing (1), power supply unit (8) be connected with controller (5), walking motor (21), strike motor (31) and gather motor (41) respectively and for four power supplies.

7. The intelligent rail low-strain crack detection device as claimed in claim 6, wherein: the controller (5) is a singlechip.

8. The intelligent rail low-strain crack detection device as claimed in claim 7, wherein: the controller (5), the walking motor (21), the knocking motor (31) and the collecting motor (41) are all fixed in the rail car shell (1) through corresponding fixing frames.

Technical Field

The invention belongs to the technical field of metal defect detection, and particularly relates to an intelligent track low-strain crack detection device.

background

The common rail transit comprises traditional railways (national railways, intercity railways and urban railways), subways, light rails and trams, and the rail transit uses rail I-shaped steel without exception. The rail I-shaped steel is a part directly bearing the load of rolling stock, and due to different maintenance and weather conditions, various damages are easy to occur to the rail in the using process, particularly cracks in the rail are difficult to find by inspection personnel, but the cracks are gradually enlarged along with the lapse of time, the strength of the rail I-shaped steel is influenced, and the rail I-shaped steel becomes a traffic hidden trouble.

Disclosure of Invention

The invention aims to solve the technical problem of providing an intelligent track low-strain crack detection device which is simple in structure, high in automation degree and capable of detecting track cracks, aiming at the defects of the prior art.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

Intelligent track low strain crack detection device, wherein: the rail car comprises a rail car shell, a traveling device, a knocking device, a data acquisition device, a controller and a memory are arranged in the rail car shell, the traveling device comprises a traveling motor, a first transmission wheel, a second transmission wheel and a transmission belt, the traveling motor is fixedly arranged in the rail car shell, the first transmission wheel is clamped at one side of the middle part of a rail I-steel, the second transmission wheel is clamped at the other side of the middle part of the rail I-steel, the transmission belt is wound on a wheel shaft of the first transmission wheel and a driving shaft of the traveling motor, the wheel shaft of the first transmission wheel and the wheel shaft of the second transmission wheel are both in positioning connection with the lower surface of the rail car shell through a connecting plate, the wheel shaft of the first transmission wheel and the wheel shaft of the second transmission wheel are both in rotatable fit with the corresponding connecting plates, the traveling motor can drive the first transmission wheel to rotate, the knocking device, the telescopic shaft of the knocking motor is fixedly connected with the hammer handle of the knocking hammer, the knocking hammer is vertically arranged, a shell hole is formed in the position, facing the middle part of the rail I-steel, of the lower surface of a shell of the rail car, the knocking motor can extend the knocking hammer out of the shell hole to knock the rail I-steel, the data acquisition device comprises an acquisition motor and a low-strain signal acquisition end head, the acquisition motor is fixed in the middle part of the shell of the rail car, the upper end of the low-strain signal acquisition end head of the telescopic shaft of the acquisition motor is fixedly connected, the lower end of the low-strain signal acquisition end head is an acquisition end, the low-strain signal acquisition end head is arranged in a staggered mode with the knocking hammer, the acquisition motor can extend the low-strain signal acquisition end head out of the shell hole and is attached to the rail I-steel, the controller is fixed in the shell of the rail car, the controller is respectively, the memory is connected with the low strain signal acquisition end head, can save the information that the low strain signal acquisition end head was gathered, and the memory can be taken out from the railcar casing.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the lower surface of the knocking hammer is coated with a rubber layer.

The lower surface of the low-strain signal acquisition end is coated with the adhesive layer, and the adhesive layer enables the low-strain signal acquisition end to be in seamless contact with the track I-shaped steel.

The adhesive layer is a silica gel layer.

The walking motor and the collecting motor are stepping motors.

the rail car shell is internally provided with a power supply device which is respectively connected with the controller, the walking motor, the knocking motor and the collecting motor and supplies power to the four motors.

The controller is a single chip microcomputer.

The controller, the walking motor, the knocking motor and the collecting motor are all fixed in the shell of the rail car through corresponding fixing frames.

The invention has the following advantages:

1. The invention fully automates the manual low-strain detection, uses the motor to drive the knocking hammer and the low-strain signal acquisition end to beat and contact the track I-steel in a rhythmic manner, realizes the acquisition of the low-strain data of the track I-steel, and does not need manual operation.

2. Through first drive wheel and second drive wheel clamp in track I-steel both sides, can realize walking stably, railcar casing can not break away from orbital effect.

Drawings

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

FIG. 2 is a schematic diagram of an intelligent rail low-strain crack detection device on a rail I-steel.

The reference signs are: the rail car comprises a rail car shell 1, a shell hole 11, a traveling device 2, a traveling motor 21, a first transmission wheel 22, a second transmission wheel 23, a transmission belt 24, a connecting plate 25, a knocking device 3, a knocking motor 31, a knocking hammer 32, a data acquisition device 4, an acquisition motor 41, a low-strain signal acquisition end 42, a controller 5, a memory 6, a rail I-shaped steel 7 and a power supply device 8.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

The intelligent track low strain crack detection device of this embodiment, wherein: the rail car comprises a rail car shell 1, wherein a traveling device 2, a knocking device 3, a data acquisition device 4, a controller 5 and a memory 6 are installed in the rail car shell 1, the traveling device 2 comprises a traveling motor 21, a first transmission wheel 22, a second transmission wheel 23 and a transmission belt 24, the traveling motor 21 is fixedly installed in the rail car shell 1, the first transmission wheel 22 is clamped at one side of the middle part of a rail I-steel 7, the second transmission wheel 23 is clamped at the other side of the middle part of the rail I-steel 7, the transmission belt 24 is wound on a wheel shaft of the first transmission wheel 22 and a driving shaft of the traveling motor 21, a wheel shaft of the first transmission wheel 22 and a wheel shaft of the second transmission wheel 23 are fixedly connected with the lower surface of the rail car shell 1 through a connecting plate 25, the wheel shaft of the first transmission wheel 22 and the wheel shaft of the second transmission wheel 23 are rotatably matched with the corresponding connecting plate, the knocking device 3 comprises a knocking motor 31 and a knocking hammer 32, the knocking motor 31 is fixed in the middle of the inside of the railcar shell 1, a telescopic shaft of the knocking motor 31 is fixedly connected with a hammer handle of the knocking hammer 32, the knocking hammer 32 is vertically arranged, a shell hole 11 is formed in the position, facing the middle of the rail I-steel 7, of the lower surface of the railcar shell 1, the knocking hammer 31 can extend out of the shell hole 11 to knock the rail I-steel 7, the data acquisition device 4 comprises an acquisition motor 41 and a low-strain signal acquisition end 42, the acquisition motor 41 is fixed in the middle of the inside of the railcar shell 1, the upper end of the telescopic shaft low-strain signal acquisition end 42 of the acquisition motor 41 is fixedly connected, the lower end of the low-strain signal acquisition end 42 is an acquisition end, the low-strain signal acquisition end 42 is arranged in a staggered mode with the knocking hammer 32, the acquisition motor 41 can extend out of the shell hole 11 to be attached to the, the controller 5 is fixed in the railcar casing 1, the controller 5 is respectively connected with the walking motor 21, the knocking motor 31 and the acquisition motor 41 and controls the three motors to operate, the memory 6 is fixed in the railcar casing 1, the memory 6 is connected with the low-strain signal acquisition end 42 and can store information acquired by the low-strain signal acquisition end 42, and the memory 6 can be taken out of the railcar casing 1.