Rail test equipment vehicle

Abstract

The invention discloses a track test equipment vehicle, which comprises a frame assembly, a track test equipment vehicle, a track test equipment vehicle, a track test equipment vehicle, a track test equipment vehicle and a track test equipment vehicle, and is characterized in that the frame assembly comprises an upper frame and a lower frame; the equipment cabinet is arranged on the lower frame and is used for placing track test equipment; the driving system comprises a driving shaft system and a driving motor, the tread wheels are arranged at the two ends of the driving shaft system, and the driving motor is installed on the driving shaft system; the braking system is used for braking the tread wheels; and the power supply system is mounted on the upper frame and used for supplying power to the equipment cabinet and the driving system. The track test equipment vehicle can carry personnel and detection equipment at the same time, and provides a power supply for the carried equipment to work during running.

Description

Technical Field

[0001] The invention relates to the technical field of rail vehicles, in particular to a rail test equipment vehicle. Background Art

[0002] The research and development of rail damage detection equipment is very complex and often requires field testing and debugging. In order to allow equipment developers to test development results at any time, most existing technologies are to make a simple trolley to carry the equipment. The structure is simple, the failure rate is high, and it cannot carry multiple devices. Therefore, an open rail trolley that can carry personnel and various different equipment is needed to provide a platform for various detection equipment.

[0003] In recent years, rail electric vehicles have been widely used in the rail transit industry, among which light rail electric vehicles dominate the rail inspection market with their clean energy drive and convenient and fast operation methods.

[0004] At present, when testing rail electric vehicles, different models of electric vehicles have different functions and are used for specific vehicles. Once a set of equipment is finalized, other equipment cannot be used due to the space and structural limitations of the vehicle platform. At the same time, rail electric vehicles often need to carry personnel for real-time monitoring and debugging during operation, which places certain requirements on the safety and convenience of passengers. Summary of the invention

[0005] In order to solve the deficiencies of the prior art, the present application provides a track test equipment vehicle, comprising: The frame assembly comprises an upper frame and a lower frame, wherein a seat is arranged on the upper frame and tread wheels are arranged below the lower frame; An equipment cabinet, installed on the lower frame and used for placing rail test equipment; A driving system, comprising a driving shaft system and a driving motor, wherein the tread wheels are arranged at both ends of the driving shaft system, and the driving motor is mounted on the driving shaft system; A braking system for braking the tread wheel; A power supply system is installed on the upper frame and is used to supply power to the equipment cabinet and the drive system.

[0006] Furthermore, it also includes a control system, which includes a control panel and a controller. The control panel is arranged in front of the seat, and the controller is arranged on the drive shaft system and electrically connected to the control panel. The control panel has a human-machine interface and a joystick electrically connected to the controller, which is used to realize stepless speed regulation and cruise control functions.

[0007] Furthermore, the power supply system includes a driving battery and a power supply battery. The driving battery is used to power the driving system, and the power supply battery is used to power the equipment cabinet. The power supply battery provides 220V AC power on the control console and the equipment cabinet through a power conversion circuit to meet the requirements of detection work during the driving of the equipment vehicle.

[0008] Furthermore, the tread wheel includes a driving wheel as a front wheel and a driven wheel as a rear wheel, the driving wheel is connected to the driving shaft system, and the driven wheel is connected through the driven shaft system, and the driven shaft system is a half-axle structure, which achieves the purpose of weight reduction and facilitates the installation of an encoder.

[0009] Furthermore, the control system also includes an encoder, which is connected to the driven shaft system to provide data collection such as vehicle speed.

[0010] Furthermore, the braking system includes a brake disc and a brake caliper arranged at the ends of the driving shaft system and the driven shaft system, a brake pedal is arranged in front of the seat, a power-off switch is configured on the brake pedal, disc brake systems are configured at the ends of the four wheel shafts, and the drive motor is configured with a mechanical brake. Two independent braking modes can meet emergency braking and conventional braking requirements.

[0011] Furthermore, the drive motor is a brushless DC differential motor, which can pass through small radius (110m) track lines and super-high (25mm) track lines and run smoothly and safely.

[0012] Furthermore, the equipment cabinet has multiple layers of installation space and is arranged behind the seat. The equipment cabinet as a whole is an open structure, contains removable partition panels and wiring troughs, has a heat dissipation function, and allows the installation of industrial computers, KVM multi-computer switches and other equipment.

[0013] The track test equipment vehicle provided by the present application has the following beneficial effects: 1. It can carry personnel and testing equipment at the same time, and provide power to the carried equipment to work while driving; 2. By setting up multi-layer open equipment cabinets, different equipment and detection tools can be installed; 3. By configuring a mechanical brake on the drive motor, mechanical braking can be performed through the motor handle or the control panel button. The above two braking methods are independent of each other to meet emergency braking and conventional braking requirements; 4. The vehicle speed data is provided by the encoder, and the stepless speed regulation and cruise control functions of the equipment vehicle are realized through the controller on the drive shaft system and the human-machine interface and joystick on the control console. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of an embodiment of the track test equipment vehicle of the present application; Figure 2 for Figure 1 Schematic diagram of the structure from another perspective.

[0015] The markings in the figure are: 10, upper frame, 11, lower frame, 12, seat, 13, driving wheel, 14, driven wheel, 15, driving shaft system, 16, driving motor, 17, driven shaft system, 18, equipment cabinet, 19, disc brake system, 20, driving battery, 21, power supply battery, 22, controller, 23, human-machine interface, 24, encoder, 25, control panel, 26, brake pedal, 27, joystick, 28, tool box, 29, awning, 30, lighting, 31, horn. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0017] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0018] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0019] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0020] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] See also Figure 1-Figure 2 The present embodiment provides a track test equipment vehicle, including an upper frame 10 and a lower frame 11. The top and rear of the upper frame 10 are equipped with equipment mounting plates, on which various types of detection equipment such as probes and cameras can be installed. An equipment cabinet 18 is extended from the rear of the lower frame 11 to the interior of the upper frame. A seat 12 is arranged on the upper frame 10 in front of the equipment cabinet 18, and tread wheels are arranged below the lower frame. The tread wheels include a driving wheel 13 as a front wheel of the equipment vehicle and a driven wheel 14 as a rear wheel. The two sets of driving wheels 13 are installed through a driving shaft system 15. A driving motor 16 and a controller 22 are also arranged on the driving shaft system 15 to drive and control the rotation of the driving wheel 13. The driven wheel 14 is installed through two sets of driven shaft systems 17 with a half-axle structure. An encoder 24 is arranged on the driven shaft system 17 to provide data collection such as vehicle speed. The driving shaft system 15 and the driven shaft system 17 are both connected to the lower frame 11 through a shock absorber seat.

[0023] Preferably, the tread wheel adopts a rubber-coated wheel, the wheel core adopts a forged steel material, the tread adopts a polyurethane material, and the rim profile is designed according to the LM type shape of TB 449. The polyurethane material is responsible for ensuring that the wheel and the rail have a sufficient friction coefficient, providing traction and braking force for the whole vehicle to meet the design requirements. The hardness of the polyurethane is best controlled at Shore A90~92; by using a rubber-coated wheel, the wheel-rail adhesion coefficient can reach about 0.5, which can maximize the driving force of the whole vehicle and shorten the braking distance.

[0024] In order to accommodate more testing equipment, the equipment cabinet 18 has multiple layers of storage space. Each layer of storage space is an open structure and has removable partition panels, wiring troughs, and heat dissipation functions, which can meet the installation requirements of industrial computers, KVM multi-computer switches and other equipment. In order to ensure a reasonable layout, the equipment cabinet 18 is arranged behind the lower frame 11 and extends toward the upper frame, and is behind the seat 12.

[0025] A control console 25 is arranged on the upper frame in front of the seat 12. The control console 25 has a human-machine interface 23 and a joystick 27 electrically connected to the controller 22. The drive motor is a brushless DC differential motor, which can pass through a small radius (110m) track line and an ultra-high (25mm) track line, with a speed of up to 20 km / h. The operation is stable and safe, and the stepless speed regulation and cruise control functions of the equipment vehicle are realized through the controller on the drive shaft system and the human-machine interface 23 and joystick 27 on the control console 25.

[0026] In order to power the entire vehicle drive and the detection equipment in the equipment cabinet, a drive battery 20 is arranged under the control panel 25, and a power supply battery 21 is arranged under the seat 12. The drive battery is used to drive the motor and the controller for power supply. The power supply battery 21 provides 220V AC power on the control panel and the equipment cabinet through a power conversion circuit to meet the detection work during the driving of the equipment vehicle.

[0027] Since the vehicle's driving power is provided by the battery, it is necessary to ensure the safety of the vehicle, the line and the personnel. Therefore, interlocking monitoring technology, high-voltage insulation detection and automatic power-off protection technology can be used. When the vehicle starts, the system will power on only when it detects that the high-voltage connector is well connected. During the operation of the vehicle, if the high-voltage connector is detected to be loose or disconnected, the high-voltage circuit will be disconnected in time to avoid potential safety accidents. The high-voltage and high-power components on the vehicle are equipped with over-voltage, over-current, over-temperature and other protection functions, and the relevant alarm information is always transmitted to the host computer through the CAN bus for real-time monitoring and fault analysis.

[0028] In addition, the battery of the equipment vehicle uses a lithium iron phosphate battery, which will not explode. The battery is a constant power output battery and is designed to run continuously for 4 to 6 hours without additional heat dissipation. The battery installation position adopts an open structure, and the car can dissipate heat through natural wind when it is running. The battery contains a battery management system, including overcurrent protection (automatic power-off when the current is abnormal), ground short-circuit protection (automatic power-off when the grounding is abnormal or a short circuit occurs), low battery protection (automatically disconnects the battery cell when it is not used / charged for a long time to protect the battery cell group) and a reactivation device (24V DC activator).

[0029] The vehicle's high-voltage and high-power electrical components contain leakage protection sensors, which can automatically cut off the circuit when a slight imbalance in current occurs, thus playing a role in leakage protection. The vehicle is equipped with a leakage current Hall sensor on the high-voltage busbar, which can monitor the leakage of the high-voltage circuit at all times. The system will issue a fault alarm and disconnect the high-voltage circuit in time.

[0030] In order to achieve braking of the equipment vehicle, the driving shaft system and the driven shaft system share a set of hydraulic disc brake system 19. Each wheel side half shaft is equipped with a disc brake device with corresponding brake disc and brake caliper. A brake pedal 26 of the disc brake system is arranged in front of the left side of the seat. The pedal is equipped with a power-off switch. The oil pump of the hydraulic disc brake system 19 supplies oil to the four disc brake devices. The driving motor is equipped with a mechanical brake, which can be mechanically braked through the motor handle or the control panel button. The above two braking modes are independent of each other to meet the requirements of emergency braking and conventional braking.

[0031] In addition to achieving service braking, the hydraulic disc brake system also has a parking brake function. When parking, the oil chamber is depressurized and the parking piston moves toward the friction pair under the action of the parking spring, pushing the service piston, single-sided friction plate, and brake disc in turn. Torque is established between the friction plate and the brake disc to prevent the brake disc from rotating.

[0032] In addition, the seat 12 can accommodate 1-2 persons, each seat is equipped with a safety belt, a sunshade 29 is arranged above the seat, a lighting lamp 30 and a speaker 31 are installed above the front side of the control panel 25, and a tool box 28 is arranged at the lower front side. The tool box 28 is manually detachable, and the top cover can be opened and closed to provide storage space.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A track test equipment vehicle, characterized in that: include: The frame assembly comprises an upper frame and a lower frame, wherein a seat is arranged on the upper frame and tread wheels are arranged below the lower frame; An equipment cabinet, installed on the lower frame and used for placing rail test equipment; A driving system, comprising a driving shaft system and a driving motor, wherein the tread wheels are arranged at both ends of the driving shaft system, and the driving motor is mounted on the driving shaft system; A braking system for braking the tread wheel; A power supply system is installed on the upper frame and is used to supply power to the equipment cabinet and the drive system.

2. A track test equipment vehicle according to claim 1, characterized in that: It also includes a control system, which includes a control console and a controller. The control console is arranged in front of the seat, and the controller is arranged on the drive shaft system and is electrically connected to the control console.

3. A track test equipment vehicle according to claim 2, characterized in that: The control console is provided with a human-machine interface and a control handle which are electrically connected to the controller.

4. A track test equipment vehicle according to claim 2, characterized in that: The tread wheel includes a driving wheel as a front wheel and a driven wheel as a rear wheel, the driving wheel is connected to the driving shaft system, and the driven wheel is connected via a driven shaft system.

5. A track test equipment vehicle according to claim 4, characterized in that: The brake system comprises a brake disc and a brake caliper arranged at the shaft ends of the driving shaft system and the driven shaft system, and a brake pedal is arranged in front of the seat.

6. A track test equipment vehicle according to claim 4, characterized in that: The driven shaft system is a half-shaft structure.

7. A track test equipment vehicle according to claim 6, characterized in that: The control system also includes an encoder connected to the driven shafting.

8. The track test equipment vehicle according to claim 1, characterized in that: The power supply system includes a driving battery and a power supply battery. The driving battery is used to supply power to the driving system, and the power supply battery is used to supply power to the equipment cabinet.

9. The track test equipment vehicle according to claim 1, characterized in that: The driving motor is a brushless DC differential motor.

10. The track test equipment vehicle according to claim 1, characterized in that: The equipment cabinet has multiple layers of installation space and is arranged behind the seat.

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