CN112776846A

CN112776846A - Power type process bogie and electric control system thereof

Info

Publication number: CN112776846A
Application number: CN202110104232.1A
Authority: CN
Inventors: 刘纪俭; 卢宝杰; 庞明潇; 张耀; 张红江; 杜广林; 孙晓慧; 辛勤; 冯小慧; 李振姚; 张勇
Original assignee: Operation Branch Of Qingdao Metro Group Co ltd
Current assignee: Qingdao Metro Operation Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-05-11

Abstract

The invention relates to the technical field of locomotive maintenance equipment, and discloses a power type process bogie and an electrical control system thereof, wherein the power type process bogie comprises: the framework comprises a pair of side beams which are arranged in parallel and a mounting seat which is vertically and fixedly connected with the side beams; the wheel set is arranged at the bottom of the framework; the side bearings are fixedly connected above the two ends of the mounting seat and comprise top side bearings and bottom side bearings, and the top side bearings are hinged to the bottom side bearings; the driving device comprises a storage battery box, a direct current traction motor and a belt transmission structure which are all connected with the controller; the braking device comprises a friction block and a control box, wherein a wireless receiver is also arranged in the control box and is in communication connection with the manual remote controller; buffer devices mounted at both ends of the side members; the control device comprises a control cabinet which is arranged on the framework; and the positioning device is arranged on the framework. The invention has high automation degree and greatly improves the maintenance efficiency of the locomotive body.

Description

Power type process bogie and electric control system thereof

Technical Field

The invention relates to a power type process bogie and an electrical control system thereof, belonging to the technical field of locomotive maintenance equipment.

Background

When the subway vehicle runs to a certain age or reaches a certain mileage, the vehicle needs to be overhauled, so that the original performance of the vehicle is recovered, and the failure rate of the vehicle is reduced. The process bogie is used as important equipment for supporting and transferring a vehicle body during overhaul of a metro vehicle frame, and the working performance of the process bogie directly influences the overhaul efficiency. The prior art bogie used in China is generally non-power type, needs to be matched with a tractor for use, can only realize the transfer of a single vehicle, and can generate extra waiting time, thereby reducing the working efficiency; in addition, the conventional process bogie has low automation degree, and the control structure of the process bogie is relatively complex, so that a power type process bogie with high automation degree needs to be designed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a power type process bogie and an electrical control system thereof.

The invention relates to a power type process bogie which comprises a framework, wheel sets, side bearings, a driving device, a braking device, a buffering device, a control device and a positioning device, wherein:

the frame comprises a pair of side beams which are arranged in parallel and a mounting seat which is vertically and fixedly connected with the side beams, and two ends of each side beam are provided with traction pull rods which are parallel to the mounting seat; the traction pull rod is used for matching with a railway vehicle to finish vehicle transportation;

the wheel set is arranged at the bottom of the framework;

the side bearings are fixedly connected above the two ends of the mounting seat and comprise top side bearings and bottom side bearings, and the top side bearings are hinged to the bottom side bearings; the bottom side bearing can enable the top side bearing to have two working states of high and low, and plays a role in supporting the car bodies with different heights;

the driving device comprises a storage battery box, a direct current traction motor and a belt transmission structure, and can be detachably connected to the framework and connected with the controller;

the braking device comprises a friction block and a control box, the friction block is detachably connected to the inner side of the side beam corresponding to the position of the wheel pair, the friction block is connected with the control box through an electric push rod, and a wireless receiver is further arranged in the control box and is in communication connection with a manual remote controller;

buffer devices mounted at both ends of the side members; the device can be damaged when collision happens;

the control device comprises a control case which is arranged on the framework, a controller is arranged in the control case, and a communication antenna is also arranged on the control case; the communication antenna can be connected with a manual remote controller, so that the motion of the process bogie can be remotely controlled;

the positioning device is arranged on the framework; the real-time position of the process bogie can be detected and sent to the controller.

Preferably, the outer side of the side beam is also provided with a lifting lug. The process bogie can be integrally hoisted through the lifting lugs, and transportation and disassembly are facilitated.

Preferably, the wheel pair comprises wheels, an axle and belt pulleys, the wheels are mounted at two ends of the axle in a pressing mode, and the belt pulleys are mounted in the middle of the axle.

Preferably, the top side bearing is hinged with one side of the bottom side bearing through a hinge and is detachably connected through a bolt pair, and anti-displacement supporting plates are arranged at the top ends of the top side bearing and the bottom side bearing. The hinged top side bearing is convenient to place when the top side bearing and the bottom side bearing are detached, the anti-displacement support plate can prevent the vehicle body from deforming, and the vehicle can be prevented from being displaced in the moving process.

Preferably, a handle is arranged on one side of the top side bearing. The handle is convenient for an operator to use and finish the disassembly and the assembly of the top side bearing and the bottom side bearing.

Preferably, an electric quantity indicator lamp is further arranged on the framework. And when the battery is low, emitting red light to indicate charging.

Preferably, an iron shoe storage box is further installed below the framework, iron shoes are placed inside the iron shoe storage box, and the iron shoes are connected with the framework through hanging chains. The iron shoe is used in a non-working state, so that the effect of effectively preventing the process bogie from sliding can be achieved.

Preferably, a cushion pad is arranged on one side of the bottom side bearing hinged with the top side bearing. The impact between the bottom side bearing and the top side bearing can be reduced when the high-low frame state is converted, and the damage of the side bearing is prevented.

The invention relates to an electrical control system of a power type process bogie, which comprises:

the main control module is used for receiving the operation information of each module of the system and controlling other modules to execute so as to realize the control of the process bogie;

the driving module is used for receiving a control instruction sent by the main control module and driving the process bogie to move forward or stop;

the braking module receives the control of the wireless remote control module and enables the process bogie to decelerate and brake;

the wireless remote control module sends control instructions to the main control module and the brake module to realize remote control of advancing, retreating and stopping of the process bogie;

the battery management module monitors the use state of the battery and sends the use state information to the main control unit;

the safety protection and alarm module monitors the use state of the process bogie and outputs a response alarm signal or safety prompt;

and the positioning module can send the information of the real-time position, the moving track and the current state of the bogie to the main control module.

Preferably, a plurality of groups of traction motor control units are integrated in the drive module in a packaging manner.

Preferably, the battery use state information includes a battery temperature, a voltage, and a current.

The power type process bogie and the electrical control system thereof have the following beneficial effects:

(1) the tractor is not required to be matched with a tractor, so that the structure is simplified;

(2) the high-low frame conversion can realize the maintenance of the vehicle bodies with different heights;

(3) the automation degree is high, and the maintenance efficiency is greatly improved.

Drawings

Fig. 1 is a top view of a powered process truck.

Fig. 2 is a schematic structural view of the framework.

Fig. 3 is a schematic view of the wheel set structure.

Fig. 4 is a schematic view of the structure of the side bearing.

Fig. 5 is a schematic view of the structure of the braking device.

Fig. 6 is a front view of a powered process truck.

Fig. 7 is a side view of a powered process truck.

Fig. 8 is a block diagram of the electrical control system of the powered process truck.

In the figure: 1. a frame; 11. a side beam; 12. a mounting seat; 13. a traction pull rod; 14. lifting lugs; 2. a wheel set; 21. a shaft end; 22. a wheel; 23. an axle; 24. a belt pulley; 3. a side bearing; 31. a top side bearing; 311. an anti-shifting support plate; 312. a handle; 32. a bottom side bearing; 321. a cushion pad; 33. a hinge; 4. a drive device; 41. a battery case; 42. a traction motor; 43. a V-belt; 5. a braking device; 51. a control box; 52. an electric push rod; 53. a friction block; 6. a buffer device; 7. a control device; 8. a positioning device; 9. an iron shoe; 10. and (7) hanging a chain.

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.

Example 1:

as shown in fig. 1 to 7, the power type process bogie of the present invention includes eight parts, namely, a frame 1, a wheel pair 2, a side bearing 3, a driving device 4, a braking device 5, a buffering device 6, a control device 7 and a positioning device 8, wherein:

the frame 1 comprises a pair of side beams 11 which are arranged in parallel and a mounting seat 12 which is vertically and fixedly connected with the side beams 11, the wheel pair 2, a side bearing, a driving device 4, a braking device 5, a buffering device 6, a control device 7 and a positioning device 8 are all arranged on the frame 1, the frame 1 is a skeleton component of the process bogie and is used for transferring static and dynamic loads between a vehicle body and the wheel pair 2, the frame 1 is formed by welding high-quality steel and plates, and has sufficient rigidity and strength and large bearing safety factor, so that the relative positions of the wheel pair 2 and the frame 1 and the stable and reliable running of the vehicle body can be ensured; the two ends of the side beam 11 are respectively welded with a traction pull rod 13, the traction pull rods 13 and the side beam 11 form a rectangular frame, the mounting seat 12 is positioned in the middle of the rectangular frame, and when the driving device 4 or the braking device 5 breaks down, the traction pull rods 13 can be matched with a railway wagon to finish the transportation of the wagon, so that the normal production operation cannot be influenced; two lifting lugs 14 are respectively welded on the outer sides of the two side beams 11, and the process bogie can be integrally lifted by using a lifting belt, so that the process bogie is convenient to transport, load and unload; and an electric quantity indicator lamp is arranged at the front part of the process bogie, and the electric quantity indicator lamp emits red light to indicate charging when the electric quantity of the battery is low.

The wheel pair 2 mainly comprises a wheel 22, an axle 23, a shaft end 21 and a belt pulley 24, wherein the wheel 22 is pressed at two ends of the axle 23 and is of a four-wheel structure, four guide wheels are simultaneously contacted with a rail, the load is basically balanced, safety accidents caused by overlarge stress of one guide wheel are avoided, the wheel 22 is in a wheel rim tread form, and the surface of the wheel is subjected to special heat treatment to ensure wear resistance and enough strength; the shaft end 21 is provided with an overhauling shaft box cover, wherein the bearing is reliable in lubrication, wear-resistant and stable in operation, the bearing has high impact resistance, the wheel set 2 is firmly connected with the side beam 11 of the framework 1 through the shaft end 21, and the belt pulley 24 is pressed in the middle of the axle 23. The wheel set 2 acts mainly as a load-bearing part, bearing all static and dynamic loads, guiding the vehicle on the track and also transmitting the braking force of the braking device 5 and the traction power of the drive 4 to the track via the belt and the belt pulley 24.

The main structure of the side bearing 3 is a cuboid and comprises a bottom side bearing 31 and a top side bearing 32, the bottom side bearing 32 is installed at two ends of the installation base 12 through bolts at four corners, the bottom surface of the top side bearing 31 is connected to the bottom side bearing 32 through bolts at four corners and a hinge 33 at one side surface, so that the side bearing 3 can be divided into two working states of a high frame and a low frame, the height of the low frame is 1200mm, the height of the high frame is 1600mm, the center distance between the bottom side bearing 32 and the bottom side bearing 31 is 1900mm, and the side bearing can be adjusted within a certain range; the upper supporting surfaces of the top side bearing 31 and the bottom side bearing 32 are provided with anti-displacement supporting plates 311, so that the part combined with the vehicle body is not damaged when the vehicle body is supported and the vehicle moves, the vehicle body can be prevented from deforming, and the vehicle is ensured not to incline and displace when the vehicle moves; the anti-displacement support plate is made of a nylon plate material, the nylon plate material is high in mechanical strength and toughness, good in aging resistance, good in mechanical vibration reduction capability, free of creeping phenomenon during precise and effective control, capable of supporting and fixing the car body better, low in price and capable of reducing the manufacturing cost of the process bogie; the handle 312 is arranged on one side of the top side bearing 31, when the side bearing 3 is switched between the high-frame state and the low-frame state, the top side bearing 31 is turned over to the side with the hinge 33 through the handle 312, bolts at four corners are adjusted, the top side bearing is fastened to be in the high-frame state, and the top side bearing is loosened to be in the low-frame state. A cushion 321 is provided on the side of the bottom side bearing 32 hinged to the top side bearing 31, and the cushion 321 can reduce the impact between the bottom side bearing 32 and the top side bearing 31 when the high-low frame state is switched, and prevent the side bearing 3 from being damaged.

The driving device 4 comprises a storage battery box 41, a traction motor 42 and a belt transmission system, wherein the traction motor 42 and the storage battery box 41 are respectively installed on the installation seat 12, the storage battery box 41 provides electric energy for the direct-current traction motor 42, the storage battery adopts a maintenance-free cadmium-nickel storage battery and is charged by adopting rapid charging equipment, the traction motor 42 adopts the direct-current traction motor 42, the rated voltage of the motor is 110V, the rated power is 40kW, the rated rotating speed is 1000r/min, and the self-ventilation heat-dissipation type motor is adopted; the belt transmission structure comprises a belt pulley arranged on an output shaft of the direct current traction motor 42 and a V-shaped belt wound on the belt pulley 24 arranged in the middle of the axle 23 and the belt pulley arranged on the output shaft, the power output by the traction motor 42 is transmitted to the wheel pair 2 through the V-shaped belt 43, and two sets of traction motors 42 are arranged on each process bogie for driving.

The braking device 5 comprises a friction block 53 and a control box 51, the friction block 53 is detachably connected to the inner side of the side beam 11 corresponding to the position of the wheel pair 2, the friction block 53 is made of rubber and is connected with the control box 51 through an electric push rod 52, and a wireless receiver is further arranged in the control box 51 and is in communication connection with a manual remote controller; each wheel pair 2 is provided with a set of braking device 5, and the rubber block can be controlled to be attached to or move away from the wheel 22 through a manual remote controller, so that the rubber block is contacted with or separated from the side surface of the wheel 22, and the aim of braking the vehicle is fulfilled; the rubber block is a wearing part and can be conveniently replaced at any time.

The buffer devices 6 are polyurethane buffers which are respectively arranged at two end parts of the two side beams 11, the number of the buffer devices is four, and the polyurethane buffers can absorb energy when the process bogie moves and collides, so that the equipment is prevented from being damaged. The polyurethane buffer is simple to install, good in buffering effect and impact-resistant.

The control device 7 comprises a control case which is arranged on the mounting seat 12, a controller is arranged in the control case, and the controller is respectively connected with electric devices such as the storage battery case 41, the traction motor 42, the control box 51 and the like; the control cabinet is also provided with a communication antenna which can be connected with a manual remote controller and can remotely control the movement of the process bogie.

And the positioning device 8 is a GPS device, is arranged on the framework 1, can detect the real-time position of the process bogie and sends the real-time position to the controller.

The skate case is still installed to the below of framework 1, and skate 9 has been placed to skate case inside, and every technology bogie disposes two skates 9, and skate 9 passes through the chaining 10 to be connected with framework 1, and the chaining 10 is sturdy and durable, and under non-operating condition, skate 9 places wheel 22 rear side and prevents that the vehicle from appearing the swift current car after stopping, and skate 9 is placed in the skate case under the operating condition, is convenient for accomodate.

As shown in fig. 8, the electrical control system of the power type process bogie of the present invention comprises seven modules, including a main control module, a driving module, a braking module, a wireless remote control module, a battery management module, a safety protection and alarm module, and a positioning module:

and the main control module is used as a core module of the electric control system, receives signals of other modules of the system through an external interface of the main control module, and sends instructions to the related execution modules through the interfaces to realize the overall control of the process bogie.

The driving module is used for receiving an action and rotating speed instruction sent by the main control module through a digital quantity, an analog quantity or a CAN bus, measuring data such as current, voltage, temperature, speed, torque, electromagnetic flux and the like through a sensor, transmitting the data to the processor in the form of electric signals, giving a corresponding control signal after the processor performs operation, converting and amplifying the control signal through the integrated power converter, acting on the traction motor 42, and simultaneously ensuring that the two wheel pairs 2 are synchronously driven through comparison of feedback signals of the position of the encoder so as to realize the advancing and retreating of the process bogie; to save cost and installation space, the drive controller adopts a "one-to-two" scheme, i.e., two sets of control units of the traction motors 42 are integrated in one module package.

And the wireless remote control module is used for collecting the action of the manual remote controller, converting the action into an electric signal and then sending the signal to the main control module and the braking module.

And the braking module receives the instruction of the wireless remote control module, controls the friction block 53 to be tightly attached to the wheel 22 and realizes the deceleration braking of the process bogie.

And the battery management module is used for detecting the voltage and the temperature of the single battery in each battery pack, the total voltage after the two battery packs are put into a plan and the total current during charging and discharging, and inputting monitoring data into the main control module to wait for decision.

The safety protection and alarm module monitors the service state of the battery, prompts whether to charge through the electric quantity indicator lamp, receives an instruction whether to take safety measures by the main control module and outputs a corresponding alarm signal or a corresponding safety prompt.

And the positioning module is used for sending the information of the real-time position, the moving track and the current state of the process bogie to the main control module.

Example 2:

on the basis of embodiment 1, the controller is connected with the intelligent maintenance system through the communication antenna, and the controller can send information such as real-time position, moving track, current state of technology bogie to the intelligent maintenance system, can realize management functions such as fence, real-time early warning, data analysis, data storage and inquiry, also can receive the instruction of remote control terminal, realizes automated control and maintenance.

The use process of the invention is as follows: according to the power type process bogie and the electrical control system thereof, two groups of storage batteries provide traction electric energy, two direct current traction motors 42 drive wheel pairs 2 to rotate through belt transmission, so that a vehicle body is driven to move, each wheel pair 2 is provided with one braking device 5 to achieve an emergency stop function, the traction motors 42 and the braking devices 5 can be controlled through a manual remote controller, and the positioning devices 8 can transmit the position of a vehicle in real time to achieve automatic control and maintenance of the vehicle.

The invention can be widely applied to locomotive maintenance equipment.

The related circuits and electronic components are all the prior art, and can be completely realized by the technical personnel in the field.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power type technology bogie, its characterized in that includes framework (1), wheel pair (2), side bearing (3), drive arrangement (4), arresting gear (5), buffer (6), controlling means (7) and positioner (8), wherein:

the frame (1) comprises a pair of side beams (11) which are arranged in parallel and a mounting seat (12) which is vertically and fixedly connected with the side beams (11), and two ends of each side beam (11) are provided with traction pull rods (13) which are parallel to the mounting seat (12);

the wheel pair (2) is arranged at the bottom of the framework (1);

the side bearings (3) are fixedly connected above two ends of the mounting seat (12), each side bearing (3) comprises a top side bearing (31) and a bottom side bearing (32), and the top side bearings (31) are hinged to the bottom side bearings (32);

the driving device (4) comprises a storage battery box (41), a traction motor (42) and a belt transmission structure, and can be detachably connected to the framework (1) and connected with the controller;

the braking device (5) comprises a friction block (53) and a control box (51), the friction block (53) is detachably connected to the inner side of the side beam (11) corresponding to the position of the wheel pair (2), the friction block (53) is connected with the control box (51) through an electric push rod (52), and a wireless receiver is further arranged in the control box (51) and is in communication connection with a manual remote controller;

buffer devices (6) mounted to both ends of the side members (11);

the control device (7) comprises a control case which is arranged on the framework (1), a controller is arranged in the control case, and a communication antenna is also arranged on the control case;

and a positioning device (8) mounted on the frame (1).

2. The power type process bogie according to claim 1, characterized in that the outside of the side beam (11) is further provided with a lifting lug (14).

3. The power type process bogie according to claim 1, characterized in that the wheel pair (2) comprises a wheel (22), an axle (23) and a belt pulley (24), and the wheel (22) is pressed on both ends of the axle (23).

4. The power type process bogie according to claim 1, characterized in that the top side bearing (31) and the bottom side bearing top end (31) are provided with anti-displacement support plates (311).

5. The power type process bogie and its electrical control system according to claim 4, characterized in that the top side bearing (31) is provided with a handle (312) on one side.

6. The power type process bogie according to claim 1, characterized in that the frame (1) is further provided with a power indicator light.

7. The power type process bogie according to claim 1, characterized in that a skate storage box is installed below the framework (1), a skate (9) is placed inside the skate storage box, and the skate (9) is connected with the framework (1) through a hanging chain (10).

8. An electrical control system for a powered process truck, comprising:

the battery management module monitors the use state of the battery and sends the use state information to the main control module;

and the positioning module is used for sending the information of the real-time position, the moving track and the current state of the bogie to the main control module.

9. The electrical control system of claim 8, wherein the drive module houses a control unit integrated with a plurality of sets of traction motors (42).

10. The electrical control system of claim 8, wherein the battery usage status information includes battery temperature, voltage, and current.