CN106828086B - Six-wheel drive mining frame type carrier - Google Patents

Six-wheel drive mining frame type carrier Download PDF

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Publication number
CN106828086B
CN106828086B CN201611258805.1A CN201611258805A CN106828086B CN 106828086 B CN106828086 B CN 106828086B CN 201611258805 A CN201611258805 A CN 201611258805A CN 106828086 B CN106828086 B CN 106828086B
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China
Prior art keywords
shaft
gear
frame
wheel
speed reducer
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CN201611258805.1A
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Chinese (zh)
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CN106828086A (en
Inventor
王治伟
常凯
任肖利
何景强
安四元
王丽威
赵美荣
周开平
柳玉龙
潘成杰
赵海兴
刘德宁
郝亚星
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Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
Original Assignee
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
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Application filed by Taiyuan Institute of China Coal Technology and Engineering Group, Shanxi Tiandi Coal Mining Machinery Co Ltd filed Critical Taiyuan Institute of China Coal Technology and Engineering Group
Priority to CN201611258805.1A priority Critical patent/CN106828086B/en
Publication of CN106828086A publication Critical patent/CN106828086A/en
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Publication of CN106828086B publication Critical patent/CN106828086B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D12/00—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
    • B62D12/02—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames for vehicles operating in tandem
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
    • F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
    • F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
    • F16H2047/045—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion the fluid gearing comprising a plurality of pumps or motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

The invention belongs to the technical field of underground coal mine conveying equipment, and particularly relates to a six-wheel drive mining frame-type conveying vehicle. The invention solves the problem that the existing frame type carrier occupies a larger space in the width direction of a vehicle, and comprises a front frame and a rear frame, wherein the front frame is hinged with the rear frame through a hinge bracket, the front frame is provided with an explosion-proof diesel engine, a first hydraulic pump, a second hydraulic pump, a transfer case, a front motor, a front wheel edge speed reducer and a front tire, and the rear frame is provided with a rear motor, an offset gearbox, a universal joint, a first transmission shaft, a middle wheel edge speed reducer, a middle tire, a second transmission shaft, a rear wheel edge speed reducer and a rear tire.

Description

Six-wheel drive mining frame type carrier
Technical Field
The invention belongs to the technical field of underground coal mine conveying equipment, and particularly relates to a six-wheel drive mining frame-type conveying vehicle.
Background
Various coal mining equipment such as a hydraulic support and a mobile substation are used underground a coal mine, and the equipment is required to be moved and transported by using a carrier, so that the carrier is required to be small in overall dimension, stable in transportation, flexible and flexible in transportation due to narrow space of an underground roadway and severe running environment, and equipment transportation work can be completed. In the existing frame type carrier, a hydraulic driving system is generally adopted, in a rear 4-wheel driving mode of similar six-wheel vehicle types, a hydraulic motor and a wheel-side speed reducer are directly inserted into wheel sides, and the mode occupies a large space in the width direction of the carrier, so that the whole carrier width of the bracket carrier is large, and the requirements of the running conditions of underground narrow roadways of coal mines cannot be met; in addition, the six-wheel four-drive mode cannot be well adapted to the severe road conditions under the coal mine. Fig. 2 is a schematic diagram of a rear four-wheel drive structure of a conventional truck.
Disclosure of Invention
The invention provides a six-wheel drive mining frame type carrier, which aims to solve the problems that the existing frame type carrier occupies a large space in the width direction of a vehicle, so that the whole width of the bracket carrier is large and the carrier cannot be suitable for running in a narrow tunnel under a coal mine.
The invention adopts the following technical scheme: the six-wheel drive mining frame type carrier comprises a front frame and a rear frame, wherein the front frame is hinged with the rear frame through a hinge bracket, an explosion-proof diesel engine, a first hydraulic pump, a second hydraulic pump, a transfer case, a front motor, a front wheel edge speed reducer and a front tire are arranged on the front frame, a rear motor, a bias gear case, a universal joint, a first transmission shaft, a middle wheel edge speed reducer, a middle tire, a second transmission shaft, a rear wheel edge speed reducer and a rear tire are arranged on the rear frame, the explosion-proof diesel engine is respectively connected with the first hydraulic pump and the second hydraulic pump through the transfer case, the first hydraulic pump and the second hydraulic pump are respectively connected with the two front motors through hydraulic pipelines, the two front motors are respectively connected with the two front wheel edge speed reducers, and the two front wheel edge speed reducers are respectively connected with the two front tires; the first hydraulic pump and the second hydraulic pump are respectively connected with two rear motors through hydraulic pipelines, the two rear motors are respectively connected with two offset gear boxes, the offset gear boxes are connected with a middle wheel edge speed reducer through a first transmission shaft, the middle wheel edge speed reducer is respectively connected with a middle tire and a second transmission shaft, the second transmission shaft is connected with a rear wheel edge speed reducer, and the rear wheel edge speed reducer is connected with a rear tire.
The front frame is characterized in that a cam is arranged on a hinge lug of the front frame, a first ejector rod valve and a second ejector rod valve are arranged on the hinge lug, the first ejector rod valve and the second ejector rod valve are symmetrically arranged and arranged with the cam, and ejector rod ends of the first ejector rod valve and the second ejector rod valve are contacted with the outer edge of the cam. When the front frame rotates relative to the hinged frame (when the whole vehicle turns), the extending length of the first ejector rod valve and the second ejector rod valve ejector rod is controlled through the change of the outer edge of the cam, and then the displacement of the first hydraulic pump and the displacement of the second hydraulic pump are controlled, so that the purpose of differential speed between the inner side wheels and the outer side wheels when the vehicle turns is achieved.
The offset gearbox comprises an input internal spline shaft, an intermediate shaft, an output shaft, a gear I, a gear II, a gear III, a gear IV, a speed reducer box body and a bearing end cover, wherein the rear motor is fixed on the speed reducer box body through a bolt, the output shaft of the rear motor is connected with the input internal spline shaft, the gear I is arranged on the input internal spline shaft, the gear I is meshed with the gear II arranged on the intermediate shaft through the gear I, the gear III is further arranged on the intermediate shaft, the gear III is meshed with the gear IV arranged on the output shaft, and the output shaft is connected with a universal joint.
The middle wheel-side speed reducer comprises an input fork I, a first rolling bearing, an inner bracket, an input shell, a bevel pinion, a large bevel gear, a through shaft, a shaft sleeve, a radial bearing, an output fork II, a locking nut, a brake spring, a brake block, a brake fixed sleeve, a friction plate group, an inner tooth frame, a second rolling bearing, a bearing shaft sleeve, a third rolling bearing, a main transmission shaft, a sun wheel shaft, a planet wheel, a planet carrier, a right end cover, a high-pressure oil filling port, a small end cover, a left end cover, a wheel mounting screw hole and a high-pressure oil cavity, wherein the input fork I is connected with the first transmission shaft through a universal joint, the input fork I is connected with the through shaft through a spline and is axially fixed through the locking nut, the other end of the through shaft is fixedly connected with the output fork II, and the shaft sleeve is arranged between the through shaft and the output fork II; the through shaft and the bevel pinion are of an integral structure, and are fixedly supported by a first rolling bearing and a radial bearing which are arranged at two ends of the through shaft, and the radial bearing is fixed by a shaft sleeve; the small bevel gear is meshed with the large bevel gear, the large bevel gear is fixed on a main transmission shaft which is perpendicular to the through shaft, the main transmission shaft is fixed by a third rolling bearing, the main transmission shaft is meshed with a sun gear shaft through a spline, the sun gear shaft is provided with a sun gear, a planet wheel, a planet carrier and an internal tooth frame form a planetary gear transmission device, the sun gear is meshed with the planet wheel, the planet wheel is arranged on the planet carrier shaft, the outer part of the planet wheel is meshed with the internal tooth frame, the internal tooth frame is fixedly supported on a bearing shaft sleeve through a second rolling bearing, a wheel mounting screw hole for connecting wheels is formed in the internal tooth frame, a braking solid sleeve is arranged outside the bearing shaft sleeve, a ventilation plug, a high-pressure oil filling port and a braking indicating device are arranged on the braking solid sleeve, and the high-pressure oil filling port is communicated with the high-pressure oil cavity; a friction plate group is connected between the braking fixed sleeve and the internal gear frame through a spline; a brake block is assembled in the brake fixed sleeve, and a plurality of brake springs are embedded in the brake block; the accessories are arranged in the input shell, the left end cover is arranged at the left part of the input shell, the right end cover is arranged at the right part of the sun gear shaft, the small end covers are arranged on the upper part and the lower part of the input shell, each sealing part is sealed by a sealing ring, the input shell is provided with a mounting hole connected with the frame, and the internal gear frame is provided with a wheel mounting screw hole connected with a wheel.
The rear wheel-side speed reducer has the same structure as the middle wheel-side speed reducer.
The input fork frame I of the middle wheel side speed reducer is connected with a first transmission shaft through a universal joint, the input shell is connected with the rear frame through bolts, the inner gear frame is connected with a middle tire through bolts, and the output fork frame II is connected with a second transmission shaft. Similarly, the second transmission shaft is connected with the rear wheel-side speed reducer through an input fork frame I of the rear wheel-side speed reducer, an input shell of the rear wheel-side speed reducer is connected with the rear frame, and an inner tooth frame of the rear wheel-side speed reducer is connected with the rear tire. During operation, the power transmission route of diesel oil is as follows: 1. an explosion-proof diesel engine, a transfer case, two hydraulic pumps, two front motors, two front wheel-side reducers and two front tires. 2. An explosion-proof diesel engine, a transfer case, two hydraulic pumps, two rear motors, two offset gear boxes, two first transmission shafts, two middle wheel edge speed reducers and two rear wheel edge speed reducers, wherein the power transmitted by the first transmission shafts through an input fork frame I is split through a through shaft, and part of the power is transmitted to a planetary speed reducer through a large bevel gear engaged with a small bevel gear on the through shaft in a vertical direction change manner; the other part of power is transmitted to the rear wheel-side speed reducer through the second transmission shaft by the output fork frame II connected with the through shaft, and finally is respectively transmitted to corresponding tires by the middle wheel-side speed reducer and the rear wheel-side speed reducer, so that the vehicle is driven to walk.
Compared with the prior art, the invention has the following beneficial effects: the closed transmission system consisting of the hydraulic variable pump and the hydraulic variable motor can form a closed-loop control system for outputting torque and vehicle rotating speed, and can realize stepless speed change control of the vehicle; the hydraulic motor is combined with a transmission shaft and a transmission mode of the through shaft conical tooth planetary gear side speed reducer, so that the problem that the axial size of the conventional motor plug-in type planetary gear side speed reducer is large is solved, the width size of a coal mine underground transport vehicle can be reduced, and the adaptability of the vehicle is improved; the whole vehicle is in a six-wheel full-driving mode, and the cam top rod valve differential control device is adopted for steering, so that the adaptability of the carrier to underground severe road conditions is improved. Along with the gradual popularization and application of the trackless rubber wheel auxiliary transportation technology in small and medium-sized mines, the requirements for the narrowness of underground transportation vehicles are increasingly increased, and the application is also increasingly wider, so that the invention has a larger market prospect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a rear four-wheel drive configuration of a conventional truck;
FIG. 3 is a schematic cross-sectional view of the offset gearbox of the present invention;
FIG. 4 is a schematic cross-sectional view of a hub reduction gear;
fig. 5 is a side view of the wheel-side reducer.
Detailed Description
The specific embodiments of the present invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 and 2, a six-wheel drive mining frame type carrier comprises a front frame and a rear frame, wherein the front frame and the rear frame are hinged through a hinged frame, an explosion-proof diesel engine 1, a first hydraulic pump 2, a second hydraulic pump 21, a transfer case 3, a front motor 5, a front wheel edge speed reducer 6 and a front tire 7 are arranged on the front frame, a rear motor 8, a bias gear case 9, a universal joint 10, a first transmission shaft 11, a middle wheel edge speed reducer 13, a middle tire 14, a second transmission shaft 15, a rear wheel edge speed reducer 16 and a rear tire 17 are arranged on the rear frame, the explosion-proof diesel engine 1 is respectively connected with the first hydraulic pump 2 and the second hydraulic pump 21 through the transfer case 3, the first hydraulic pump 2 and the second hydraulic pump 21 are respectively connected with the two front motors 5 through hydraulic pipelines 4, the two front motors 5 are respectively connected with the two front wheel edge speed reducers 6, and the two front wheel edge speed reducers 5 are respectively connected with the two front tires 7; the first hydraulic pump 2 and the second hydraulic pump 21 are respectively connected with two rear motors 8 through hydraulic pipelines 4, the two rear motors 8 are respectively connected with two offset gearboxes 9, the offset gearboxes 9 are respectively connected with a middle wheel edge speed reducer 13 through a first transmission shaft 11, the middle wheel edge speed reducer 13 is respectively connected with a middle tire 14 and a second transmission shaft 15, the second transmission shaft 15 is connected with a rear wheel edge speed reducer 16, and the rear wheel edge speed reducer 16 is connected with a rear tire 17.
The front frame is characterized in that a cam 20 is arranged on a hinge lug of the front frame, a first ejector rod valve 18 and a second ejector rod valve 19 are arranged on the hinge lug, the first ejector rod valve 18 and the second ejector rod valve 19 are symmetrically arranged and arranged with the cam 20, and ejector rod ends of the first ejector rod valve 18 and the second ejector rod valve 19 are in contact with the outer edge of the cam 20. When the front frame rotates relative to the hinged frame (when the whole vehicle turns), the extending length of the first ejector rod valve and the second ejector rod valve ejector rod is controlled through the change of the outer edge of the cam, and then the displacement of the first hydraulic pump and the displacement of the second hydraulic pump are controlled, so that the purpose of differential speed between the inner side wheels and the outer side wheels when the vehicle turns is achieved.
As shown in fig. 3, the offset gearbox 9 includes an input internal spline shaft 22, an intermediate shaft 23, an output shaft 27, a gear i 29, a gear ii 24, a gear iii 25, a gear iv 26, a reducer casing 28 and a bearing end cover 31, the rear motor 8 is fixed on the reducer casing 28 by bolts, the output shaft of the rear motor 8 is connected with the input internal spline shaft 22, the input internal spline shaft 22 is provided with a gear i, the intermediate shaft 23 is meshed with the gear ii 24 provided on the intermediate shaft 23 by the gear i, the intermediate shaft 23 is further provided with a gear iii 25, the gear iii 25 is meshed with the gear iv 26 provided on the output shaft 27, and the output shaft 27 is connected with the universal joint 10.
As shown in fig. 4 and 5, the mid-wheel-side reducer 13 includes an input fork I32, a first rolling bearing 33, an inner bracket 34, an input housing 35, a bevel pinion 60, a bevel pinion 61, a through shaft 62, a shaft sleeve 63, a radial bearing 64, an output fork II65, a lock nut 66, a brake spring 37, a brake block 38, a brake retainer 39, a friction plate set 40, an inner gear 41, a second rolling bearing 42, a bearing sleeve 43, a third rolling bearing 44, a main transmission shaft 45, a sun gear shaft 46, a planet gear 47, a planet carrier 48, a right end cover 49, a high-pressure oil filling port 52, a small end cover 53, a left end cover 54, a wheel mounting screw 57 and a high-pressure oil cavity 58, the input fork I32 is connected with the first transmission shaft 11 through a universal joint, the input fork I32 is connected with the through a spline and is axially fixed by a lock nut 66, the other end of the through shaft 62 is fixedly connected with the output fork II65, and the shaft sleeve 63 is arranged between the through shaft 62 and the output fork II 65; the through shaft 62 and the bevel pinion 60 are of an integral structure, and are fixedly supported by a first rolling bearing 33 and a radial bearing 64 which are arranged at two ends of the through shaft 62, and the radial bearing 64 is fixed by a shaft sleeve 63; the small bevel gear 60 is meshed with the large bevel gear 61, the large bevel gear 61 is fixed on a main transmission shaft 45 which is perpendicular to a through shaft, the main transmission shaft 45 is fixed by a third rolling bearing 44, the main transmission shaft 45 is meshed with a sun gear shaft 46 through a spline, the sun gear shaft 46 is provided with a sun gear, the sun gear, a planet gear 47, a planet carrier 48 and an internal gear carrier 41 form a planetary gear transmission device, the sun gear is meshed with the planet gear 47, the planet gear 47 is arranged on the shaft of the planet carrier 48, the outer part of the planet gear 47 is meshed with the internal gear carrier 41, the internal gear carrier 41 is fixedly supported on a bearing shaft sleeve 43 through a second rolling bearing 42, a wheel mounting screw hole 57 for connecting wheels is formed in the internal gear carrier 41, a brake solid sleeve 39 is arranged outside the bearing shaft sleeve 43, a vent plug 51, a high-pressure oil filling port 52 and a brake indicating device are arranged on the brake solid sleeve 39, and the high-pressure oil filling port 52 is communicated with the high-pressure oil cavity 58; a friction plate group 40 is connected between the brake fixing sleeve 39 and the internal gear frame 41 through a spline; a brake block 38 is assembled in the brake fixed sleeve 39, and a plurality of brake springs 37 are embedded in the brake block 38; the accessories are all arranged in the input shell 35, a left end cover 54 is arranged at the left part of the input shell 35, a right end cover 49 is arranged at the right part of the sun gear shaft 46, small end covers 53 are arranged on the upper part and the lower part of the input shell 35, the sealing parts are sealed by sealing rings, a mounting hole 67 connected with a frame is arranged on the input shell 35, and a wheel mounting screw hole 57 connected with a wheel is arranged on the inner gear frame 41.
The rear wheel-side reducer 16 has the same structure as the middle wheel-side reducer 13.
The input fork frame I of the middle wheel side speed reducer is connected with a first transmission shaft through a universal joint, the input shell is connected with the rear frame through bolts, the inner gear frame is connected with a middle tire through bolts, and the output fork frame II is connected with a second transmission shaft. Similarly, the second transmission shaft is connected with the rear wheel-side speed reducer through an input fork frame I of the rear wheel-side speed reducer, an input shell of the rear wheel-side speed reducer is connected with the rear frame, and an inner tooth frame of the rear wheel-side speed reducer is connected with the rear tire. During operation, the power transmission route of diesel oil is as follows: 1. an explosion-proof diesel engine, a transfer case, two hydraulic pumps, two front motors, two front wheel-side reducers and two front tires. 2. An explosion-proof diesel engine, a transfer case, two hydraulic pumps, two rear motors, two offset gear boxes, two first transmission shafts, two middle wheel edge speed reducers and two rear wheel edge speed reducers, wherein the power transmitted by the first transmission shafts through an input fork frame I is split through a through shaft, and part of the power is transmitted to a planetary speed reducer through a large bevel gear engaged with a small bevel gear on the through shaft in a vertical direction change manner; the other part of power is transmitted to the rear wheel-side speed reducer through the second transmission shaft by the output fork frame II connected with the through shaft, and finally is respectively transmitted to corresponding tires by the middle wheel-side speed reducer and the rear wheel-side speed reducer, so that the vehicle is driven to walk.

Claims (3)

1. A six-wheel drive mining frame-type carrier, characterized in that: the anti-explosion diesel engine comprises a front frame and a rear frame, wherein the front frame is hinged with the rear frame through a hinged frame, an anti-explosion diesel engine (1), a first hydraulic pump (2), a second hydraulic pump (21), a transfer case (3), a front motor (5), a front wheel edge speed reducer (6) and a front tire (7) are arranged on the front frame, a rear motor (8), an offset gear box (9), a universal joint (10), a first transmission shaft (11), a middle wheel edge speed reducer (13), a middle tire (14), a second transmission shaft (15), a rear wheel edge speed reducer (16) and a rear tire (17) are arranged on the rear frame, the anti-explosion diesel engine (1) is respectively connected with the first hydraulic pump (2) and the second hydraulic pump (21) through the transfer case (3), the first hydraulic pump (2) and the second hydraulic pump (21) are respectively connected with the two front motors (5) through hydraulic pipelines (4), the two front motors (5) are respectively connected with the two front wheel edge speed reducers (6), and the two front wheel edge speed reducers (6) are respectively connected with the two front tires (7); the first hydraulic pump (2) and the second hydraulic pump (21) are respectively connected with two rear motors (8) through hydraulic pipelines (4), the two rear motors (8) are respectively connected with two offset gearboxes (9), the offset gearboxes (9) are connected with a middle wheel edge speed reducer (13) through a first transmission shaft (11), the middle wheel edge speed reducer (13) is respectively connected with a middle tire (14) and a second transmission shaft (15), the second transmission shaft (15) is connected with a rear wheel edge speed reducer (16), and the rear wheel edge speed reducer (16) is connected with a rear tire (17);
the offset gearbox (9) comprises an input internal spline shaft (22), an intermediate shaft (23), an output shaft (27), a gear I (29), a gear II (24), a gear III (25), a gear IV (26), a speed reducer box (28) and a bearing end cover (31), wherein the rear motor (8) is fixed on the speed reducer box (28) through bolts, the output shaft of the rear motor (8) is connected with the input internal spline shaft (22), the input internal spline shaft (22) is provided with the gear I, the gear I is meshed with a gear II (24) arranged on the intermediate shaft (23) through the gear I, the intermediate shaft (23) is also provided with the gear III (25), the gear III (25) is meshed with a gear IV (26) arranged on the output shaft (27), and the output shaft (27) is connected with the universal joint (10);
the middle wheel-side speed reducer (13) comprises an input fork I (32), a first rolling bearing (33), an inner bracket (34), an input shell (35), a bevel pinion (60), a bevel gear (61), a through shaft (62), a shaft sleeve (63), a radial bearing (64), an output fork II (65), a locking nut (66), a brake spring (37), a brake block (38), a brake solid sleeve (39), a friction plate group (40), an inner gear rack (41), a second rolling bearing (42), a bearing shaft sleeve (43), a third rolling bearing (44), a main transmission shaft (45), a sun gear shaft (46), a planet gear (47), a planet carrier (48), a right end cover (49), a high-pressure oil filling port (52), a small end cover (53), a left end cover (54), a wheel mounting screw hole (57) and a high-pressure oil cavity (58), wherein the input fork I (32) is connected with the first transmission shaft (11) through a universal joint, the input fork I (32) is connected with the through a through spline and is axially fixed by the locking nut (66), the other end of the through shaft (62) is fixedly connected with the output fork II (65), a shaft sleeve (63) is arranged between the through shaft (62) and the output fork II (65); the through shaft (62) and the bevel pinion (60) are of an integral structure, and are fixedly supported by a first rolling bearing (33) and a radial bearing (64) which are arranged at two ends of the through shaft (62), and the radial bearing (64) is fixed by a shaft sleeve (63); the small bevel gear (60) is meshed with the large bevel gear (61), the large bevel gear (61) is fixed on a main transmission shaft (45) which is perpendicular to the through shaft, the main transmission shaft (45) is fixed by a third rolling bearing (44), the main transmission shaft (45) is meshed with a sun gear shaft (46), the sun gear shaft (46) is provided with a sun gear, the sun gear, a planet wheel (47), a planet carrier (48) and an inner gear carrier (41) form a planetary gear transmission device, the sun gear is meshed with the planet wheel (47), the planet wheel (47) is arranged on the shaft of the planet carrier (48), the outer part of the planet wheel (47) is meshed with the inner gear carrier (41), the inner gear carrier (41) is fixedly supported on a bearing sleeve (43) through a second rolling bearing (42), a wheel mounting screw hole (57) for connecting wheels is formed in the inner gear carrier (41), a brake solid sleeve (39) is arranged outside the bearing sleeve (43), and a vent plug (51), a high-pressure oil injection port (52) and a brake indication device are arranged on the brake solid sleeve (39), and the high-pressure oil port (52) is communicated with the high-pressure oil cavity (58); a friction plate group (40) is connected between the braking fixed sleeve (39) and the internal gear frame (41) through a spline; a brake block (38) is assembled in the brake fixed sleeve (39), and a plurality of brake springs (37) are embedded in the brake block (38); the accessories are arranged in an input shell (35), a left end cover (54) is arranged at the left part of the input shell (35), a right end cover (49) is arranged at the right part of a sun gear shaft (46), small end covers (53) are arranged on the upper part and the lower part of the input shell (35), each sealing part is sealed by a sealing ring, a mounting hole (67) connected with a frame is arranged on the input shell (35), and a wheel mounting screw hole (57) connected with a wheel is arranged on an internal gear frame (41).
2. The six-wheel drive mining frame truck of claim 1, wherein: the front frame is characterized in that a cam (20) is arranged on a hinge lug of the front frame, a first ejector rod valve (18) and a second ejector rod valve (19) are arranged on the hinge lug, the first ejector rod valve (18) and the second ejector rod valve (19) are symmetrically arranged and arranged with the cam (20), and ejector rod ends of the first ejector rod valve (18) and the second ejector rod valve (19) are in contact with the outer edge of the cam (20).
3. The six-wheel drive mining frame truck of claim 2, wherein: the rear wheel-side speed reducer (16) has the same structure as the middle wheel-side speed reducer (13).
CN201611258805.1A 2016-12-30 2016-12-30 Six-wheel drive mining frame type carrier Active CN106828086B (en)

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