Track circuit fault detection vehicle

Abstract

The utility model relates to a track circuit fault detection vehicle which comprises a vehicle frame, track wheels and a driving mechanism, the vehicle frame is of a square frame structure, side plates are arranged on the two sides of the vehicle frame, mounting frames are arranged on the side plates, the track wheels comprise two driven wheels and two driving wheels, the driving wheels are connected with driving wheel shafts, the driving wheel shafts are connected with mounted bearings, and the mounted bearings are connected with the driving wheels. The mounted bearing is fixed to the mounting frame, the driven wheel is fixedly connected with a driven wheel shaft, the driven wheel shaft is connected with a bearing, and the bearing is fixed to the side plate. The driving mechanism comprises a motor; an output shaft of the motor is in transmission connection with the driving wheel shaft; supporting plates are fixedly arranged in the middle and on the two sides of the upper end face of the frame, a protective cover is arranged at the upper ends of the supporting plates and is of a hollow structure with the lower end open, and a handle is arranged on the top face of the protective cover. The vehicle frame, the track wheels and the driving mechanism are arranged to form the detection vehicle, the detection vehicle travels on the track, the interference problem is solved, meanwhile, technicians do not need to return to a field for detection for many times, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway signal detection, in particular to a track circuit fault detection vehicle. Background Art

[0002] With the increase in railway speed and the operation of 200-250km / h EMUs, higher requirements have been placed on the quality of supporting equipment such as ground track circuits. ZPW2000 non-insulated track circuits have been widely promoted and used. However, due to the characteristics of this track circuit format, such as audio transmission and no insulation, the equipment has the disadvantages of being prone to crosstalk interference and being easily interfered by the external electromagnetic environment. In particular, it is difficult to use existing instruments to locate, qualitatively and quantitatively analyze crosstalk interference in adjacent lines and adjacent sections.

[0003] In addition, the process of handling such problems often requires multiple trips to the site for testing and constant adjustment of the treatment plan, which is not only inefficient and has a great impact on transportation, but also easily leads to safety hazards.

[0004] Therefore, there is an urgent need for an on-track detection device that can avoid crosstalk interference between adjacent lines and adjacent sections, and carry the detection device along the track to complete track circuit detection. Summary of the invention

[0005] The utility model proposes a track circuit fault detection vehicle to solve the problem that the existing instrument detection is cumbersome and requires multiple round trips to the site for detection. The detection vehicle is composed of a frame, track wheels and a driving mechanism. The detection vehicle travels on the track. During the driving process, the detection equipment performs track circuit detection to solve the interference problem. At the same time, there is no need for technical personnel to return to the site for detection multiple times, thereby improving the detection efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model proposes a track circuit fault detection vehicle, including a frame, a track wheel and a driving mechanism, the frame is a square frame structure, both sides of the frame are provided with side plates, the side plates are provided with mounting frames, the track wheels include two driven wheels and two driving wheels, the driving wheels are connected to driving wheel shafts, the driving wheel shafts are connected to bearings with seats, the bearings with seats are fixed to the mounting frames, the driven wheels are fixedly connected to the driven wheel shafts, the driven wheel shafts are connected to bearings, and the bearings are fixed to the side plates;

[0007] The driving mechanism comprises a motor, and the output shaft of the motor is drivingly connected to the driving wheel shaft;

[0008] A support plate is fixedly arranged at the middle part and both sides of the upper end surface of the frame, a protective cover is arranged on the upper end of the support plate, the protective cover is a hollow structure with an open lower end, and a handle is arranged on the top surface of the protective cover.

[0009] Furthermore, the side panel is arched, the middle part of the side panel is in contact with the frame, the length of the side panel is greater than the width of the frame, the mounting frame is an L-shaped plate body, the vertical section of the mounting frame is an inclined surface corresponding to the side panel, the straight end of the vertical section is in contact with the frame, the transverse section of the mounting frame is in contact with the side panel, and the mounting frame, the side panel and the frame are an integrated structure.

[0010] The side panels are arched to improve the load-bearing capacity of the inspection vehicle, and the mounting frame, side panels and frame are an integrated structure to facilitate maintenance and inspection of the inspection vehicle.

[0011] Further, circular through holes are formed at both ends of the side plates, a circular through hole is correspondingly formed in the vertical section of the mounting frame, the driving wheel shaft passes through the circular through hole, the bottom surface of the seat bearing is fixed to the horizontal section of the mounting frame, the center of the seat bearing and the center of the circular through hole are located on a straight line, and the driving wheel shaft is fixed to the inner ring surface of the seat bearing;

[0012] The driving wheel shaft is rotatably connected to the mounting frame and the side plate through a seat bearing;

[0013] The driven wheel shaft is fixed to the inner ring surface of the bearing, the outer ring surface of the bearing is fixed to the ring surface of the circular through hole, and the driven wheel shaft is rotatably connected to the side plate through the bearing;

[0014] A reinforcing rib is arranged between the side plate at a position close to the driven wheel shaft and the vehicle frame.

[0015] Two seat bearings are arranged on a mounting frame to improve driving stability. The motor drives the driving wheel to rotate through the driving wheel shaft, and the driving wheel drives the driven wheel to rotate, thereby realizing the stable driving of the inspection vehicle on the track.

[0016] Furthermore, the support plate includes two side plates and a middle plate, the two side plates are arranged on both sides of the frame, and the two side plates are square plates;

[0017] The protective cover comprises two first protective covers and a second protective cover;

[0018] A first protective cover is arranged on the upper end of the side plate. The first protective cover is a quadrangular prism structure with an open middle and lower end inside and a trapezoidal cross section. The first protective cover is buckled and fixed to the side plate.

[0019] A protective cover is provided to protect the detection circuit of the detection vehicle, and a handle is provided on the protective cover to facilitate lifting the detection vehicle so that the detection vehicle is put on the track.

[0020] Furthermore, the middle plate includes a trapezoidal plate and a square plate, the trapezoidal plate is arranged at the front end of the square plate, the trapezoidal plate and the square plate are an integrated structure, a second protective cover is horizontally arranged on the trapezoidal plate, the second protective cover is a quadrangular prism structure with an open inner middle and lower end and a trapezoidal cross-section, one side of the second protective cover is hinged to the frame, and the other side is connected to the frame by a hasp lock.

[0021] The second protective cover is hinged to the vehicle frame, and opening the second protective cover facilitates internal inspection and carrying of working tools.

[0022] Furthermore, the probe rod is a cylindrical structure, and a ranging radar is detachably provided on the top end of the probe rod. The ranging radar is connected to a detection circuit, and the detection circuit is arranged inside the protective cover and fixed to the support plate.

[0023] Furthermore, the frame is symmetrically provided with protrusions on the sides perpendicular to the side panels, and both of the protrusions are trapezoidal structures. A push handle is provided between the two protrusions, and the push handle is an inverted Y-shape, and the push handle is rotatably connected to the two protrusions respectively.

[0024] A push handle is provided to facilitate the movement of the inspection vehicle when not in operation.

[0025] Furthermore, the driving mechanism also includes a driving chip and a main control module, the main control module is connected to the HMI unit, the output end of the main control module is connected to the driving chip, the driving chip is electrically connected to the motor, and the motor is connected to the power supply through the driving chip to form a loop.

[0026] The driver chip is set to realize the motor speed control and the motor forward and reverse control, so that the inspection vehicle can operate at the set speed and can directly reverse and reset without turning around after the operation is completed. The HMI unit is set to facilitate human-computer interaction.

[0027] Furthermore, a running light is arranged on the side of the protective cover, and the running light is electrically connected to the main control module.

[0028] Through the above technical solution, the beneficial effects of the utility model are:

[0029] 1. The utility model realizes that the detection vehicle drives the detection circuit to travel on the track. The frame of the detection vehicle is a square frame structure, and a lightweight design is adopted to reduce the weight of the detection vehicle. Side panels are arranged on both sides of the frame, and the side panels are provided with mounting frames. The side panels are arched to improve the load-bearing capacity of the detection vehicle. The side panels are rotatably connected to the track wheels, wherein the driving wheel is connected to the output shaft of the motor through the driving wheel shaft and the seat bearing, and the driven wheel is rotatably connected to the side panel through the bearing. When the motor is powered on, the driving wheel rotates, thereby driving the driven wheel to rotate.

[0030] 2. The utility model is provided with a support plate and a protective cover. The protective cover is a hollow structure with an open lower end, which can form a space for placing the detection circuit in combination with the support plate, thereby protecting the detection circuit, power supply and other equipment.

[0031] 3. A handle is provided on the top surface of the protective cover of the utility model, and a technician can lift the inspection vehicle by the handle to facilitate the inspection of the upper and lower tracks of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is one of the structural schematic diagrams of a track circuit fault detection vehicle of the utility model;

[0033] Figure 2 This is the second structural schematic diagram of a track circuit fault detection vehicle of the utility model;

[0034] Figure 3 This is the third structural schematic diagram of a track circuit fault detection vehicle of the utility model;

[0035] Figure 4 This is the fourth structural schematic diagram of a track circuit fault detection vehicle of the utility model;

[0036] Figure 5 The utility model is an electrical schematic diagram of a track circuit fault detection vehicle.

[0037] Figure numbers: 1 is a frame, 2 is a track wheel, 3 is a side plate, 4 is a mounting frame, 5 is a driven wheel, 6 is a driving wheel, 7 is a driving wheel shaft, 8 is a seat bearing, 9 is a driven wheel shaft, 10 is a bearing, 11 is a motor, 12 is a support plate, 13 is a protective cover, 14 is a handle, 15 is a circular through hole, 16 is a probe rod, 17 is a protrusion, 18 is a push handle, 19 is a drive chip, 20 is a main control module, 21 is an HMI unit, and 22 is a running light. DETAILED DESCRIPTION

[0038] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0039] Example 1

[0040] like Figures 1 to 5 As shown, a track circuit fault detection vehicle comprises a frame 1, a track wheel 2 and a driving mechanism, wherein the frame 1 is a square frame structure, and side panels 3 are arranged on both sides of the frame 1, and the side panels 3 are arranged on a mounting frame 4, and the track wheel 2 comprises two driven wheels 5 and two driving wheels 6, and the driving wheel 6 is connected to a driving wheel shaft 7, and the driving wheel shaft 7 is connected to a seat bearing 8, and the seat bearing 8 is fixed to the mounting frame 4, and the driven wheel 5 is fixedly connected to a driven wheel shaft 9, and the driven wheel shaft 9 is connected to a bearing 10, and the bearing 10 is fixed to the side panels 3;

[0041] The driving mechanism comprises a motor 11, and the output shaft of the motor 11 is drivingly connected to the driving wheel shaft 7;

[0042] A support plate 12 is fixedly provided in the middle and both sides of the upper end surface of the frame 1 . A protective cover 13 is provided on the upper end of the support plate 12 . The protective cover 13 is a hollow structure with an open lower end. A handle 14 is provided on the top surface of the protective cover 13 .

[0043] The side panel 3 is arched, the middle part of the side panel 3 is in contact with the frame 1, the length of the side panel 3 is greater than the width of the frame 1, the mounting frame 4 is an L-shaped plate, the vertical section of the mounting frame 4 is an inclined surface corresponding to the side panel 3, the straight end of the vertical section is in contact with the frame 1, the transverse section of the mounting frame 4 is in contact with the side panel 3, and the mounting frame 4, the side panel 3 and the frame 1 are an integrated structure.

[0044] The two ends of the side plate 3 are stacked with circular through holes 15, the vertical section of the mounting frame 4 is correspondingly provided with a circular through hole 15, the driving wheel shaft 7 passes through the circular through hole 15, the bottom surface of the seat bearing 8 is fixed to the horizontal section of the mounting frame 4, the center of the seat bearing 8 and the center of the circular through hole 15 are located on a straight line, and the driving wheel shaft 7 is fixed to the inner ring surface of the seat bearing 8;

[0045] The driving wheel shaft 7 is rotatably connected to the mounting frame 4 and the side plate 3 through the seat bearing 8;

[0046] The driven wheel shaft 9 is fixed to the inner ring surface of the bearing 10, the outer ring surface of the bearing 10 is fixed to the ring surface of the circular through hole 15, and the driven wheel shaft 9 is rotatably connected to the side plate 3 through the bearing 10;

[0047] A reinforcing rib is provided between the side plate 3 and the frame 1 at a position close to the driven wheel shaft 9 .

[0048] The support plate 12 includes two side plates and a middle plate, the two side plates are arranged on both sides of the frame 1, and the two side plates are square plates;

[0049] The protective cover 13 includes two first protective covers and a second protective cover;

[0050] A first protective cover is arranged on the upper end of the side plate. The first protective cover is a quadrangular prism structure with an open middle and lower end inside and a trapezoidal cross section. The first protective cover is buckled and fixed to the side plate.

[0051] The middle plate includes a trapezoidal plate and a square plate, the trapezoidal plate is arranged at the front end of the square plate, the trapezoidal plate and the square plate are an integrated structure, a second protective cover is horizontally arranged on the trapezoidal plate, the second protective cover is a quadrangular prism structure with an open middle and lower end inside and a trapezoidal cross section, one side of the second protective cover is hinged to the frame 1, and the other side is connected to the frame 1 by a hasp lock.

[0052] The trapezoidal plate is provided with a probe rod 16 , which is a cylindrical structure. A ranging radar is detachably provided on the top of the probe rod 16 . The ranging radar is connected with a detection circuit. The detection circuit is arranged inside the protective cover 13 and fixed to the support plate 12 .

[0053] The frame 1 is symmetrically provided with protrusions 17 on the sides perpendicular to the side panels 3 . Both of the two protrusions 17 are of trapezoidal structure. A push handle 18 is provided between the two protrusions 17 . The push handle 18 is of an inverted Y-shape and is rotatably connected to the two protrusions 17 .

[0054] The driving mechanism also includes a driving chip 19 and a main control module 20. The main control module 20 is connected to an HMI unit 21. The output end of the main control module 20 is connected to the driving chip 19. The driving chip 19 is electrically connected to the motor 11. The motor 11 is connected to a power supply through the driving chip 19 to form a loop.

[0055] A running light 22 is disposed on the side of the protection cover 13 , and the running light 22 is electrically connected to the main control module 20 .

[0056] The main control module 20 is an STM32 single-chip microcomputer, the driver chip 19 is an L289N driver chip, the HMI unit is connected to the STM32 single-chip microcomputer via RS232 serial communication, and the detection circuit includes a locomotive signal detection unit, a rail surface voltage electric measurement unit, a travel detection unit, a positioning unit and a posture detection unit. The locomotive signal detection unit detects the locomotive signal format, the rail surface voltage electric measurement unit detects the rail surface voltage, and the detection unit and the posture detection unit realize real-time detection of the driving distance and posture of the detection vehicle.

[0057] During operation, the technician lifts the inspection vehicle onto the track by the handle 14. Then the operation parameters are input through the HMI unit 21. The main control module 20 controls the drive chip 19 by PWM control. After the drive chip 19 is powered on, the motor 11 is powered on and works. The motor 11 drives the driving wheel 6 to rotate through the driving wheel shaft 7. Under the action of friction, the driven wheel 5 rotates. The inspection vehicle moves along the track. During the movement, the detection circuit detects the track circuit.

[0058] When the detection vehicle reaches the set distance, the main control module 20 controls the motor 11 to reverse through the driving chip 19, and the detection vehicle moves in the opposite direction. After driving to the starting position, the main control module 20 controls the motor 11 to stop rotating through the driving chip 19, and the detection vehicle stops.

[0059] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A track circuit fault detection vehicle, characterized in that: The invention comprises a vehicle frame (1), a track wheel (2) and a driving mechanism, wherein the vehicle frame (1) is in a square frame structure, side plates (3) are arranged on both sides of the vehicle frame (1), and the side plates (3) are arranged on a mounting frame (4), the track wheel (2) comprises two driven wheels (5) and two driving wheels (6), the driving wheels (6) are connected to driving wheel shafts (7), the driving wheel shafts (7) are connected to seat bearings (8), the seat bearings (8) are fixed to the mounting frame (4), the driven wheels (5) are fixedly connected to driven wheel shafts (9), the driven wheel shafts (9) are connected to bearings (10), and the bearings (10) are fixed to the side plates (3); The driving mechanism comprises a motor (11), and an output shaft of the motor (11) is drivingly connected to a driving wheel shaft (7); A support plate (12) is fixedly arranged at the middle and both sides of the upper end surface of the frame (1), and a protective cover (13) is arranged at the upper end of the support plate (12). The protective cover (13) is a hollow structure with an open lower end, and a handle (14) is arranged on the top surface of the protective cover (13).

2. A track circuit fault detection vehicle according to claim 1, characterized in that: The side plate (3) is arched, the middle part of the side plate (3) contacts the vehicle frame (1), the length of the side plate (3) is greater than the width of the vehicle frame (1), the mounting frame (4) is an L-shaped plate body, the vertical section of the mounting frame (4) is an inclined surface corresponding to the side plate (3), the straight end of the vertical section contacts the vehicle frame (1), the transverse section of the mounting frame (4) contacts the side plate (3), and the mounting frame (4), the side plate (3) and the vehicle frame (1) are an integrated structure.

3. A track circuit fault detection vehicle according to claim 1, characterized in that: The two ends of the side plate (3) are stacked with circular through holes (15), the vertical section of the mounting frame (4) is correspondingly provided with a circular through hole (15), the driving wheel shaft (7) passes through the circular through hole (15), the bottom surface of the seat bearing (8) is fixed to the horizontal section of the mounting frame (4), the center of the seat bearing (8) and the center of the circular through hole (15) are located on a straight line, and the driving wheel shaft (7) is fixed to the inner ring surface of the seat bearing (8); The driving wheel shaft (7) is rotatably connected to the mounting frame (4) and the side plate (3) via a seat bearing (8); The driven wheel shaft (9) is fixed to the inner annular surface of the bearing (10), the outer annular surface of the bearing (10) is fixed to the annular surface of the circular through hole (15), and the driven wheel shaft (9) is rotatably connected to the side plate (3) via the bearing (10); A reinforcing rib is provided between the side plate (3) and the vehicle frame (1) at a position close to the driven wheel shaft (9).

4. A track circuit fault detection vehicle according to claim 1, characterized in that: The support plate (12) comprises two side plates and a middle plate, the two side plates are arranged on both sides of the frame (1), and the two side plates are both square plates; The protective cover (13) comprises two first protective covers and a second protective cover; A first protective cover is arranged on the upper end of the side plate. The first protective cover is a quadrangular prism structure with an open middle and lower end inside and a trapezoidal cross section. The first protective cover is buckled and fixed to the side plate.

5. A track circuit fault detection vehicle according to claim 4, characterized in that: The middle plate comprises a trapezoidal plate and a square plate, the trapezoidal plate being arranged at the front end of the square plate, the trapezoidal plate and the square plate being an integrated structure, a second protective cover being arranged horizontally on the trapezoidal plate, the second protective cover being a quadrangular prism structure with an open middle and lower end and a trapezoidal cross section, one side of the second protective cover being hinged to the vehicle frame (1), and the other side being connected to the vehicle frame (1) by a buckle lock.

6. A track circuit fault detection vehicle according to claim 5, characterized in that: The trapezoidal plate is provided with a probe rod (16), the probe rod (16) being a cylindrical structure, the top end of the probe rod (16) being detachably provided with a ranging radar, the ranging radar being connected to a detection circuit, the detection circuit being arranged inside the protective cover (13) and fixed to the support plate (12).

7. A track circuit fault detection vehicle according to claim 1, characterized in that: The frame (1) is symmetrically provided with protrusions (17) on the sides perpendicular to the side plates (3); the two protrusions (17) are both of a trapezoidal structure; a push handle (18) is provided between the two protrusions (17); the push handle (18) is in an inverted Y-shape; the push handle (18) is rotatably connected to the two protrusions (17) respectively.

8. A track circuit fault detection vehicle according to claim 1, characterized in that: The driving mechanism further comprises a driving chip (19) and a main control module (20), the main control module (20) being connected to an HMI unit (21), an output end of the main control module (20) being connected to the driving chip (19), the driving chip (19) being electrically connected to the motor (11), and the motor (11) being connected to a power source via the driving chip (19) to form a loop.

9. A track circuit fault detection vehicle according to claim 8, characterized in that: A running light (22) is provided on the side of the protective cover (13), and the running light (22) is connected to the main control module (20) via telecommunication.

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