CN210707403U

CN210707403U - Standard rail industrial and mining electric locomotive bogie

Info

Publication number: CN210707403U
Application number: CN201921188533.1U
Authority: CN
Inventors: 张骏; 蔺海斌; 刘建高; 郭三军; 安文举
Original assignee: Xiangtan Electric Manufacturing Group Heavy Duty Equipment Co ltd
Current assignee: Xiangtan Electric Manufacturing Group Heavy Duty Equipment Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-09
Anticipated expiration: 2029-07-26

Abstract

A standard rail industrial and mining electric locomotive bogie comprises a middle bogie and front and rear bogies connected with the front and rear ends of the middle bogie; forming a bogie with an axial type of Bo-Bo-Bo; the front and rear bogies comprise two side beams which are arranged in a left-right symmetrical manner, the front and rear ends of the two side beams are respectively provided with a front traction beam and a rear end beam, and the middle parts of the two side beams are provided with single-hole sleeper beams; the two walking devices are respectively arranged between the front traction beam and the single-hole sleeper beam and between the single-hole sleeper beam and the rear end beam; the two front and rear suspension devices are respectively arranged at the outer sides of the middle parts of the two side beams, and the rotary shaft device is connected with the middle part of the lower part of the rear end beam; the middle bogie comprises two middle side beams which are arranged in a left-right symmetrical mode, two middle end beams are arranged at the front end and the rear end of each of the two middle side beams respectively, and a double-hole sleeper beam is arranged in the middle of each of the two middle side beams; the two walking devices are respectively arranged between the middle end beam and the double-hole sleeper beam. The utility model discloses have good maintainability, long service life practices thrift manufacturing cost, improves production efficiency.

Description

Standard rail industrial and mining electric locomotive bogie

Technical Field

The utility model relates to an electric locomotive bogie technical field, concretely relates to standard rail industrial and mining electric locomotive bogie.

Background

With the progress and development of society, the demands of various industries on various energy sources are increasing. The industrial and mining electric locomotive for railway transportation of large-scale surface mines is continuously developed to large tonnage. A bogie is the part of a vehicle that runs along a route under tractive power. The function of the device is to ensure that a vehicle flexibly, safely and smoothly runs along a steel rail and passes through a curve; reliably bear various forces acting on the vehicle and transmit the forces to the steel rail; the mutual impact between the vehicle and the steel rail is alleviated, the vibration of the vehicle is reduced, and the sufficient running stability and the good running quality are ensured; the brake mechanism has a reliable brake mechanism, so that the vehicle has a good brake effect.

At present, the traditional welded closed type bogie has the structural characteristics that a closed box type framework welded by an integral steel plate is adopted, all parts are welded and connected, the maintenance and the operation are complex, the cost is high, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, overcome the above-mentioned defect that prior art exists, provide and have good maintenance and repair nature, use life cycle is long, can effectively practice thrift manufacturing cost, improves production efficiency's a standard rail industrial and mining electric locomotive bogie.

The utility model provides a technical scheme that its technical problem adopted is: a standard rail industrial and mining electric locomotive bogie comprises a middle bogie and front and rear bogies connected with the front and rear ends of the middle bogie; forming a bogie with an axial type of Bo-Bo-Bo; the locomotive has good curve passing performance, and serpentine movement of the locomotive is prevented.

The front and rear bogies comprise two side beams, a front traction beam, a rear end beam, a single-hole sleeper beam, front and rear side bearings, a front and rear suspension device, an axle box guide frame, an axle box supporting plate, a traveling device, a motor hanging device, a braking device, a front and rear sand box device, a car coupler assembly, a car-pressing iron, a barrier remover and a rotating shaft device which are arranged in a bilateral symmetry manner; the front end and the rear end of the two side beams are respectively provided with a front traction beam and a rear end beam; the single-hole sleeper beam is arranged in the middle of the two side beams, and the end surfaces of the two sides of the single-hole sleeper beam are respectively connected to the inner sides of the two side beams; the two front and rear side bearing blocks are respectively arranged at the top ends of the middle parts of the two side beams; the two front and rear suspension devices are respectively arranged at the outer sides of the middles of the two side beams; the four axle box guide frames are respectively arranged at the front bottom end and the rear bottom end of the two side beams; the four axle box supporting plates are arranged on the side beams and are positioned right below the axle box guide frame; the two sets of traveling devices are respectively arranged on the axle box guide frames, and the middle parts of the traveling devices are arranged in the middle of the single-hole sleeper beam through the motor hanging device; the braking devices are arranged on two sides of the single-hole sleeper beam and the rear end beam; the front sand box device and the rear sand box device are respectively arranged at the lower part of the rear end of the front traction beam and the lower part of the front end of the rear end beam; the coupler assembly is arranged at the front end of the front traction beam; the trolley pressing irons are arranged on two sides of the front traction beam; the obstacle deflector is arranged at the bottom of the front end of the front traction beam and the bottom of the rear end beam; the rotary shaft device is connected with the middle of the lower part of the rear end beam.

The middle bogie comprises two middle side beams, a middle end beam, a double-hole sleeper beam, a middle side bearing seat, a middle suspension device, an axle box guide frame, an axle box supporting plate, a traveling device, a motor hanging device, a braking device, a middle sand box device, a barrier remover and a rotary balance seat device which are arranged in a bilateral symmetry manner; two middle end beams are respectively arranged at the front end and the rear end of the two middle side beams; the double-hole sleeper beam is arranged in the middle of the two middle side beams, and the end surfaces of the two sides of the double-hole sleeper beam are respectively connected to the inner sides of the two middle side beams; the four middle side bearing seats are respectively arranged at the outer sides of the middle parts of the two middle side beams; the two middle suspension devices are arranged on two sides of the middle part of the two middle side beams; the four axle box guide frames are respectively arranged at the front bottom end and the rear bottom end of the two middle side beams; the axle box supporting plate is arranged on the middle side beam and is positioned right below the axle box guide frame; the two sets of traveling devices are respectively connected to the axle box guide frames, and the middle parts of the traveling devices are arranged in the middle parts of the double-hole sleeper beams through the motor hanging devices; the braking devices are arranged on two sides of the middle end beam; the middle sand box devices are respectively arranged at the lower parts of the two sides of the middle end beam; the obstacle deflector is arranged at the bottom of the front end of the middle end beam; the rotary balance seat device is connected with the middle lower part of the middle end beam.

Furthermore, the walking device comprises a large straight bevel gear, a wheel, an axle box, a maintenance-free rolling bearing, a shaft-hung type traction motor, a small straight bevel gear and a gear cover; two big straight-tooth helical gear is through colding pressing the dress respectively on two wheels, the wheel is through colding pressing the dress at the both ends of axletree, two the axle box sets up respectively in the both ends of axletree outside, the axle box embeds there is non-maintaining antifriction bearing, non-maintaining antifriction bearing sets up in axletree both ends axle journal department, axle suspension type traction motor passes through the middle part of motor axle bush setting at the axletree, adopt taper fit to install little straight-tooth helical gear respectively on the output shaft of axle suspension type traction motor both sides, little straight-tooth helical gear meshes the big straight-tooth helical gear on the wheel respectively, two the gear guard is installed respectively on axle suspension type traction motor's motor goat's horn arm, provides lubricated protection for big straight-tooth helical gear and little straight-tooth helical gear, annotate lubricating grease in the.

Furthermore, a speed sensor, a shaft temperature sensor and a grounding device are respectively arranged on the middle shaft box of the walking device.

Further, the lubricating grease is a lubricating grease formed by mixing molybdenum disulfide lubricating grease and No. 3 lithium-based lubricating grease.

Further, the front and rear suspension devices comprise a primary and secondary spiral spring, a spiral spring seat, a balance beam, a long spring suspender, a short spring suspender, a plate spring seat and a plate spring; the bottom of the primary and secondary spiral springs is connected with a spiral spring seat through an adjusting bolt, the top ends of the primary and secondary spiral springs are tightly attached to the side beam, the bottom end of the equalizing beam is tightly attached to the top end of the axle box, the two ends of the equalizing beam are respectively connected with a long spring hanging rod and a short spring hanging rod through pin shafts, the bottom end of the long spring hanging rod is connected with the spiral spring seat through a pin shaft, the short spring hanging rod is connected with a plate spring seat through a pin shaft, and the two ends of the plate spring are respectively connected with the plate spring seat.

Furthermore, the middle suspension device comprises a primary and secondary spiral spring, a spiral spring seat, a balance beam and a long spring hanging rod; the bottom of the primary and secondary spiral springs is connected with a spiral spring seat through an adjusting bolt, the top ends of the primary and secondary spiral springs are tightly attached to the middle side beam, the bottom ends of the equalizing beams are tightly attached to the top ends of the axle boxes, the two ends of the equalizing beams are connected with a long spring hanging rod through a pin shaft, and the bottom ends of the long spring hanging rods are connected with the spiral spring seat through the pin shaft.

Furthermore, arresting gear includes service unit brake and area parking brake, a pair of wheel of front and back bogie distal end and a pair of wheel of middle bogie one end all are connected with service unit brake, a pair of wheel of front and back bogie near-end and a pair of wheel of middle bogie other end all are connected with area parking brake.

Furthermore, the common unit brake comprises two common unit brakes respectively arranged on two sides of the tread of the wheel, a fixed seat and a composite brake shoe; in the front and rear bogies, the common unit brakes are arranged on fixed seats arranged on two sides of a rear end beam through threaded pin shafts; in the middle bogie, the common unit brake is arranged on the fixed seats arranged on two sides of the middle end beam through a threaded pin shaft, and the composite brake shoe is arranged on the common unit brake.

Furthermore, the brake with the parking unit comprises two brakes with the parking units, a fixed seat and a composite brake shoe, wherein the two brakes with the parking units are respectively arranged on two sides of the tread of the wheel; in the front and rear bogies, the brake with the parking unit is arranged on a fixed seat arranged on two sides of a single-hole sleeper beam through a threaded pin shaft; in the middle bogie, the brake with the parking unit is arranged on the fixed seats arranged on two sides of the middle end beam through a threaded pin shaft, and the composite brake shoe is arranged on the brake with the parking unit.

Furthermore, the side beams and the middle side beam are machined by adopting a thick steel plate with the thickness of 100mm, the front traction beam is formed by welding and integrally machining thick steel plates, and the single-hole sleeper beam, the rear end beam, the middle end beam, the double-hole sleeper beam and the trolley pressing iron are integrally machined by adopting cast steel.

Furthermore, the side beams, the front traction beam, the single-hole sleeper beam, the rear end beam, the middle measuring beam, the middle end beam, the double-hole sleeper beam, the trolley pressing iron and the axle box supporting plate are mutually hinged with taper holes and are assembled through interference connection of bolts.

The utility model has the advantages that:

1. the total weight of the bogie of the utility model reaches 84 tons, the adhesive weight can be effectively improved, and the traction motor is in a single-motor double-output shaft form and has strong traction capacity; the bogie which adopts the shaft type is Bo-Bo-Bo type, has simple structure compared with a multi-shaft bogie, and has good curve trafficability and reasonable axle weight distribution by assembling a rotary shaft device and a rotary balance seat device; the adhesion weight of the locomotive can be effectively increased, and the traction capacity can be effectively increased;

2. the bogie main body structure is formed by splicing 9 main beams and 6 measuring beams, and the hinge-matched taper holes are formed by interference connection of bolts, so that the process is complex, various impact forces between parts of the bogie main body in the driving process can be effectively balanced, the braking device adopts an independent braking unit, the bogie main body structure has the functions of driving braking and parking braking, the traction motor is of a wrap-around shaft type and is convenient to install, the axle box bearing adopts a self-lubricating maintenance-free bearing, and the axle box is provided with a speed measuring device, an axle temperature detecting device and a grounding device, so that parameter requirements can be provided for an electric locomotive control system;

3. the front bogie and the rear bogie are connected with the middle bogie through the rotary shaft device and the rotary balance seat device, so that the locomotive has good curve passing performance and is prevented from snakelike movement;

4. according to the redistribution requirement of the locomotive axle, the front bogie and the rear bogie respectively use two front and rear side bearings, the middle bogie uses four middle side bearings, the front and rear side bearings and the middle side bearings are respectively positioned at the outer sides of the middle upper parts of the two side beams and the outer sides of the middle upper parts of the middle measuring beams, and form triangular supports with a single-hole sleeper beam and a double-hole sleeper beam to bear the weight of the upper locomotive body and balance the redistribution of the locomotive axle;

5. compare with the closed bogie of welding, the utility model discloses each spare part of bogie all can independently dismouting maintenance, has good maintenance and repair nature, and life cycle is long in the use, can effectively practice thrift manufacturing cost, improves production efficiency.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a front view of the front and rear bogies of the present invention shown in FIG. 1;

FIG. 3 is a top view of the front and rear bogies of the present invention shown in FIG. 1;

FIG. 4 is a front view of the intermediate bogie of the present invention shown in FIG. 1;

FIG. 5 is a top plan view of the intermediate truck of the present invention shown in FIG. 1;

FIG. 6 is a front view of the running gear of the present invention shown in FIG. 2;

FIG. 7 is a front view of the front and rear suspension of the present invention shown in FIG. 2;

FIG. 8 is a front view of the intermediate suspension of the present invention shown in FIG. 4;

fig. 9 is a plan view of the brake device of the present invention shown in fig. 2.

In the drawings: 1. coupler assembly, 2, front and rear bogies, 3, motor hangers, 4, pivot means, 5, pivot balance seat means, 6, intermediate bogie, 7, obstacle deflector, 8, front draft sill, 9, bogie frame, 10, front and rear flask means, 11, brake means, 12, front and rear side bearings, 13, single-hole bolster, 14, front and rear suspension means, 15, running gear, 16, pedestal guide, 17, pedestal pallet, 18, side sill, 19, rear end sill, 20, intermediate side sill, 21, intermediate flask means, 22, intermediate suspension means, 23, intermediate side bearings, 24, dual-hole bolster, 25, intermediate end sill, 26, ground contact means, 27, pedestal, 28, maintenance-free rolling bearing, 29, axle, 30, wheel, 31, small spur bevel gear, 32, large spur bevel gear, 33, axle-type draft motor, 34, motor, 35, and axle box, Mixed lubricating grease, 36, a motor claw arm, 37, a gear cover, 38, a shaft temperature sensor, 39, a speed measuring device, 40, a primary and secondary spiral spring, 41, an adjusting bolt, 42, a pin shaft, 43, a spiral spring seat, 44, an equalizing beam, 45, a spring short suspender, 46, a plate spring, 47, a plate spring seat, 48, a spring long suspender, 49, a synthetic brake shoe, 50, a common unit brake, 51, a threaded pin shaft, 52, a fixed seat, 53 and a brake with a parking unit.

Detailed Description

The following embodiments are described in detail with reference to the following examples:

as shown in fig. 1, the standard rail industrial and mining electric locomotive bogie comprises a middle bogie 6, and a front bogie 2 and a rear bogie 2 which are connected with the front end and the rear end of the middle bogie 6; forming a bogie with an axial type of Bo-Bo-Bo;

as shown in fig. 2 and 3, the front and rear bogies 2 include two side sills 18, a front draft sill 10, a rear end sill 19, a single-hole bolster 13, front and rear side bearers 12, front and rear suspension devices 14, a pedestal guide frame 16, a pedestal pallet 17, a traveling device 15, a motor hanger 3, a brake device 11, front and rear flask devices 10, a coupler assembly 1, a skid bar 9, and a barrier remover 7 and a pivot device 4, which are arranged in bilateral symmetry; the front end and the rear end of the two side beams 18 are respectively provided with a front traction beam 10 and a rear end beam 19; the single-hole sleeper beam 13 is arranged in the middle of the two side beams 18, and the end surfaces of the two sides of the single-hole sleeper beam 13 are respectively connected to the inner sides of the two side beams 18; the two front and rear side bearing seats 12 are respectively arranged at the top ends of the middle parts of the two side beams 18; the two front and rear suspension devices 14 are respectively arranged at the outer sides of the middles of the two side beams 18; four pedestal frames 16 are respectively disposed at front and rear bottom ends of the two side beams 18; four pedestal trays 17 are mounted to side beams 18 and directly below pedestal pedestals 16; the two sets of running gears 15 are respectively arranged on the axle box guide frames 16, and the middle parts of the running gears 15 are arranged in the middle part of the single-hole sleeper beam 13 through the motor hanging device 3; the braking devices 11 are arranged on two sides of the single-hole sleeper beam 13 and the rear end beam 19; the front and rear sand box devices 10 are respectively arranged at the lower part of the rear end of the front traction beam 8 and the lower part of the front end of the rear end beam 19; the coupler assembly 1 adopts a No. 13E-level coupler HT96-700-0 of a railway department and is arranged at the front end of a front traction beam 8; the trolley pressing irons 9 are arranged on two sides of the front traction beam 8; the obstacle deflector 7 is arranged at the bottom of the front end of the front traction beam 8 and the bottom of the rear end beam 19; the pivot means 4 is connected to the lower middle of the rear end beam 19.

As shown in fig. 4 and 5, the intermediate bogie 6 includes two intermediate side beams 20, intermediate end beams 25, two-hole bolster beams 24, intermediate side bearings 23, intermediate suspension devices 22, pedestal brackets 16, pedestal pallets 17, running devices 15, motor hangers 3, braking devices 11, intermediate sand box devices 21, and the obstacle deflector 7 and the rotary balance seat device 5, which are arranged in bilateral symmetry; two middle end beams 25 are respectively arranged at the front end and the rear end of the two middle side beams 20; the double-hole sleeper beam 24 is arranged in the middle of the two middle side beams 20, and the two side end surfaces of the double-hole sleeper beam 24 are respectively connected to the inner sides of the two middle side beams 20; four sets of intermediate side bearings 23 are respectively disposed at the outer sides of the middle portions of the two intermediate side members 20; two intermediate suspension devices 22 are arranged on both sides of the middle of the two intermediate side members 20; four pedestal frames 16 are respectively provided at the front bottom end and the rear bottom end of the two center side members 20; pedestal pallets 17 are provided on the center side members 20 and located right below the pedestal frames 16; the two sets of running gear 15 are respectively connected to the axle box guide frame 16, and the middle part of the running gear 15 is arranged at the middle part of the double-hole sleeper beam 24 through the motor hanging device 3; the braking devices 11 are arranged on two sides of the middle end beam 25; the middle sand box devices 21 are respectively arranged at the lower parts of the two sides of the middle end beam 25; the obstacle deflector 7 is arranged at the bottom of the front end of the middle end beam 25; the rotary balance seat device 5 is connected with the middle lower part of the middle end beam 25.

The side beams 18 and the middle side beam 20 are machined by adopting thick steel plates with the thickness of 100mm, the front traction beam is welded by adopting thick steel plates and is integrally machined, and the single-hole sleeper beam 13, the rear end beam 19, the middle end beam 25, the double-hole sleeper beam 24 and the trolley pressing iron 9 are integrally machined by adopting cast steel.

As shown in fig. 6, the running gear 15 includes a large spur-helical gear 32, a wheel 30, an axle 29, an axle box 27, a maintenance-free rolling bearing 28, a wrap-around traction motor 33, and a small spur-helical gear 31 and a gear cover 37; the large straight bevel gears 32 are respectively pressed on the wheels 30 by cold pressing, the wheels 30 are respectively pressed on two ends of an axle 29 by cold pressing, two axle boxes 27 are respectively arranged on the outermost sides of the two ends of the axle 29, 25 tons of compact double-row tapered roller maintenance-free rolling bearings 28 with axle weight are arranged in the axle boxes 27, the maintenance-free rolling bearings 28 have self-lubricating and sealing functions, lubricating grease is not required to be filled periodically in a life cycle, one side of each axle box 27 is provided with a grounding device 26, the maintenance-free rolling bearings 28 are arranged at shaft necks at two ends of the axle 29, the shaft-clasping type traction motor 33 is arranged in the middle of the axle 29 through a motor bearing 34, small straight bevel gears 31 are respectively arranged on output shafts at two sides of the shaft-clasping type traction motor 33 by adopting taper fit, the small straight bevel gears 31 are respectively meshed with the large straight bevel gears 32 on the wheels 30, two gear covers 37 are respectively arranged on, lubricating grease 35 is injected into the gear cover 37, and the lubricating grease 35 is mixed with No. 3 lithium-based lubricating grease.

As shown in fig. 7, the front and rear suspensions 14 include a primary and secondary coil spring 40, a coil spring seat 43, an equalizing beam 44, a long spring hanger 48, a short spring hanger 45, and

plate spring seats

47 and 46; the bottom of the primary and secondary spiral spring 40 is connected with a spiral spring seat 43 through an adjusting bolt 41, the top end of the primary and secondary spiral spring 40 is tightly attached to the side beam 18, the bottom end of the equalizing beam 44 is tightly attached to the top end of the axle box 27, the two ends of the equalizing beam 44 are respectively connected with a long spring suspension rod 48 and a short spring suspension rod 45 through pin shafts 42, the bottom end of the long spring suspension rod 48 is connected with the spiral spring seat 43 through the pin shaft 42, the short spring suspension rod 45 is connected with a plate spring seat 47 through the pin shaft 42, and the two ends of the plate spring 46 are respectively.

As shown in fig. 8, the intermediate suspension device 22 includes a primary and secondary coil spring 40, a coil spring seat 43, and an equalizing beam 44 and a long suspension rod 48; the bottom of the four primary and secondary spiral springs 40 is connected with a spiral spring seat through an adjusting bolt 41, the top ends of the primary and secondary spiral springs 40 are tightly attached to the middle side beam 20, the bottom ends of the equalizing beams 44 are tightly attached to the top end of the axle box 27, the two ends of the equalizing beams 44 are connected with a long spring suspender 48 through a pin shaft 42, and the bottom ends of the long spring suspender 48 are connected with a spiral spring seat 43 through a pin shaft 42.

As shown in fig. 9, the braking device 11 includes a service unit brake and a parking brake, the pair of wheels 30 at the far ends of the front and rear bogies 2 and the pair of wheels 30 at one end of the middle bogie 6 are both connected with the service unit brake, and the service unit brake includes two service unit brakes 50 respectively arranged at the two sides of the tread of the wheels 30, and a fixed seat 52 and a synthetic brake shoe 49; in the front and rear bogies 2, the service unit brakes 50 are provided on fixing seats 52 installed on both sides of the rear end beam 19 by threaded pins 51; in the middle bogie 6, a common unit brake 50 is arranged on a fixed seat 52 arranged on two sides of the middle end beam 25 through a threaded pin shaft 51, and a composite brake shoe 49 is arranged on the common unit brake 50 and a brake 53 with a parking unit; a pair of wheels 30 at the near ends of the front bogie and the rear bogie 2 and a pair of wheels 30 at the other end of the middle bogie 6 are both connected with a parking brake, and the parking brake comprises two parking unit brakes 53 respectively arranged at two sides of the tread of the wheels 30, a fixed seat 52 and a synthetic brake shoe 49; in the front and rear bogies 2, brakes 53 with parking units are provided on fixing seats 52 installed on both sides of the one-hole bolster 13 by means of threaded pins 51; in the intermediate bogie 6, a belt parking unit brake 53 and a service unit brake 50 are provided on a holder 52 installed on both sides of the intermediate end beam 25 by a threaded pin 51, and a composite shoe 49 is provided on the service unit brake 50 and the belt parking unit brake 53.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims

1. The standard rail industrial and mining electric locomotive bogie is characterized by comprising a middle bogie and front and rear bogies connected with the front and rear ends of the middle bogie; forming a bogie with an axial type of Bo-Bo-Bo;

the front and rear bogies comprise two side beams, a front traction beam, a rear end beam, a single-hole sleeper beam, front and rear side bearings, a front and rear suspension device, an axle box guide frame, an axle box supporting plate, a traveling device, a motor hanging device, a braking device, a front and rear sand box device, a car coupler assembly, a car-pressing iron, a barrier remover and a rotating shaft device which are arranged in a bilateral symmetry manner; the front end and the rear end of the two side beams are respectively provided with a front traction beam and a rear end beam; the single-hole sleeper beam is arranged in the middle of the two side beams, and the end surfaces of the two sides of the single-hole sleeper beam are respectively connected to the inner sides of the two side beams; the two front and rear side bearing blocks are respectively arranged at the top ends of the middle parts of the two side beams; the two front and rear suspension devices are respectively arranged at the outer sides of the middles of the two side beams; the four axle box guide frames are respectively arranged at the front bottom end and the rear bottom end of the two side beams; the four axle box supporting plates are arranged on the side beams and are positioned right below the axle box guide frame; two ends of the two sets of traveling devices are respectively arranged on the axle box guide frames, and the middle parts of the traveling devices are arranged in the middle part of the single-hole sleeper beam through the motor hanging device; the braking devices are arranged on two sides of the single-hole sleeper beam and the rear end beam; the front sand box device and the rear sand box device are respectively arranged at the lower part of the rear end of the front traction beam and the lower part of the front end of the rear end beam; the coupler assembly is arranged at the front end of the front traction beam; the trolley pressing irons are arranged on two sides of the front traction beam; the obstacle deflector is arranged at the bottom of the front end of the front traction beam and the bottom of the rear end beam; the rotary shaft device is connected with the middle of the lower part of the rear end beam;

the middle bogie comprises two middle side beams, a middle end beam, a double-hole sleeper beam, a middle side bearing seat, a middle suspension device, an axle box guide frame, an axle box supporting plate, a traveling device, a motor hanging device, a braking device, a middle sand box device, a barrier remover and a rotary balance seat device which are arranged in a bilateral symmetry manner; two middle end beams are respectively arranged at the front end and the rear end of the two middle side beams; the double-hole sleeper beam is arranged in the middle of the two middle side beams, and the end surfaces of the two sides of the double-hole sleeper beam are respectively connected to the inner sides of the two middle side beams; the four middle side bearing seats are respectively arranged at the outer sides of the middle parts of the two middle side beams; the two middle suspension devices are arranged on two sides of the middle part of the two middle side beams; the four axle box guide frames are respectively arranged at the front bottom end and the rear bottom end of the two middle side beams; the axle box supporting plate is arranged on the middle side beam and is positioned right below the axle box guide frame; two ends of the two sets of walking devices are respectively connected to the axle box guide frames, and the middle parts of the walking devices are arranged in the middle parts of the double-hole sleeper beams through the motor hanging devices; the braking devices are arranged on two sides of the middle end beam; the middle sand box devices are respectively arranged at the lower parts of the two sides of the middle end beam; the obstacle deflector is arranged at the bottom of the front end of the middle end beam; the rotary balance seat device is connected with the middle lower part of the middle end beam.

2. The standard rail industrial and mining electric locomotive bogie according to claim 1, wherein the traveling device comprises a large straight bevel gear, a wheel, an axle box, a maintenance-free rolling bearing, a shaft-hung type traction motor, and a small straight bevel gear and a gear cover; two big straight-tooth helical gear is through colding pressing the dress respectively on two wheels, the wheel is through colding pressing the dress at the both ends of axletree, two the axle box sets up respectively in the both ends of axletree outside, the axle box embeds there is non-maintaining antifriction bearing, non-maintaining antifriction bearing sets up in axletree both ends axle journal department, axle suspension type traction motor passes through the middle part of motor axle bush setting at the axletree, adopt taper fit to install little straight-tooth helical gear respectively on the output shaft of axle suspension type traction motor both sides, little straight-tooth helical gear meshes the big straight-tooth helical gear on the wheel respectively, two the gear guard is installed respectively on axle suspension type traction motor's motor goat's horn arm, provides lubricated protection for big straight-tooth helical gear and little straight-tooth helical gear, annotate lubricating grease in the.

3. The bogie of claim 2, wherein the axle box of the traveling device is respectively provided with a speed sensor, an axle temperature sensor and a grounding device.

4. The standard rail industrial and mining electric locomotive bogie according to any one of claims 1 to 3, wherein the front and rear suspension devices comprise primary and secondary coil springs, coil spring seats, equalizing beams, long spring suspension rods, short spring suspension rods, plate spring seats and plate springs; the bottom of the primary and secondary spiral springs is connected with a spiral spring seat through an adjusting bolt, the top ends of the primary and secondary spiral springs are tightly attached to the side beam, the bottom end of the equalizing beam is tightly attached to the top end of the axle box, the two ends of the equalizing beam are respectively connected with a long spring hanging rod and a short spring hanging rod through pin shafts, the bottom end of the long spring hanging rod is connected with the spiral spring seat through a pin shaft, the short spring hanging rod is connected with a plate spring seat through a pin shaft, and the two ends of the plate spring are respectively connected with the plate spring seat.

5. The standard rail industrial and mining electric locomotive bogie of claim 4, characterized in that the intermediate suspension device comprises a primary and secondary coil spring, a coil spring seat, and an equalizing beam and a long spring hanger rod; the bottom of the primary and secondary spiral springs is connected with a spiral spring seat through an adjusting bolt, the top ends of the primary and secondary spiral springs are tightly attached to the middle side beam, the bottom ends of the equalizing beams are tightly attached to the top ends of the axle boxes, the two ends of the equalizing beams are connected with a long spring hanging rod through a pin shaft, and the bottom ends of the long spring hanging rods are connected with the spiral spring seat through the pin shaft.

6. The standard rail industrial and mining electric locomotive bogie of claim 5, wherein the braking device comprises a service unit brake and a belt parking brake, the pair of wheels at the far end of the front and rear bogie and the pair of wheels at one end of the middle bogie are both connected with the service unit brake, and the pair of wheels at the near end of the front and rear bogie and the pair of wheels at the other end of the middle bogie are both connected with the belt parking brake.

7. The standard rail industrial and mining electric locomotive bogie according to claim 6, wherein the service unit brakes comprise two service unit brakes, a fixed seat and a synthetic brake shoe which are respectively arranged at two sides of a tread of a wheel; in the front and rear bogies, the common unit brakes are arranged on fixed seats arranged on two sides of a rear end beam through threaded pin shafts; in the middle bogie, the common unit brake is arranged on the fixed seats arranged on two sides of the middle end beam through a threaded pin shaft, and the composite brake shoe is arranged on the common unit brake.

8. The standard rail industrial and mining electric locomotive bogie according to claim 6, wherein the brake with parking unit comprises two brakes with parking unit, a fixed seat and a synthetic brake shoe which are respectively arranged at two sides of the tread of the wheel; in the front and rear bogies, the brake with the parking unit is arranged on a fixed seat arranged on two sides of a single-hole sleeper beam through a threaded pin shaft; in the middle bogie, the brake with the parking unit is arranged on the fixed seats arranged on two sides of the middle end beam through a threaded pin shaft, and the composite brake shoe is arranged on the brake with the parking unit.

9. The standard rail industrial and mining electric locomotive bogie according to any one of claims 1 to 3, wherein the single-hole sleeper beam, the rear end beam, the middle end beam, the double-hole sleeper beam and the turning press iron are integrally machined from cast steel.

10. The standard rail industrial and mining electric locomotive bogie according to any one of claims 1 to 3, wherein the side beams, the front traction beam, the single-hole sleeper beam, the rear end beam, the middle measuring beam, the middle end beam, the double-hole sleeper beam, the bogie pressing iron and the axle box supporting plate are assembled by interference fit connection through bolts by mutually hinging taper holes.