CN111776097A

CN111776097A - Mining explosion-proof two sections caterpillar band transport vechicles of all-terrain

Info

Publication number: CN111776097A
Application number: CN202010684169.9A
Authority: CN
Inventors: 王洪全; 董世升; 樊金朋; 冯俊伟; 杨中立
Original assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Current assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-16
Anticipated expiration: 2040-07-16
Also published as: CN111776097B

Abstract

The invention discloses an all-terrain mining explosion-proof double-section crawler transport vehicle which comprises a front vehicle and a rear vehicle, wherein the front vehicle comprises a front vehicle driving device and a front vehicle travelling mechanism; the rear vehicle comprises a rear vehicle driving device and a rear vehicle traveling mechanism, and the front vehicle driving device and the rear vehicle driving device are connected with each other through a transmission mechanism; the front vehicle chassis frame and the rear vehicle chassis frame are connected by a steering hinge mechanism with a buffering function; the upper surface of the rear chassis frame is provided with a plurality of damping units which are arranged along the left-right symmetry direction of the vehicle body. The damping device has good damping effect, and can enable the vehicle to adapt to large-amplitude jolt under various complex road conditions; the device can decompose the pressure born by the connecting shaft in the thrust wheel set and prolong the service life of the connecting shaft, adopts an explosion-proof engine as a power system, and is suitable for various underground mine explosion-proof environments; the crawler belt has strong walking and climbing capability and good trafficability; the double-section carriage design increases the transport capacity and has high transport operation efficiency.

Description

Mining explosion-proof two sections caterpillar band transport vechicles of all-terrain

Technical Field

The invention belongs to the technical field of transport vehicles, and particularly relates to an all-terrain mining explosion-proof double-section crawler transport vehicle.

Background

With the modernized construction of mines and the upgrading of technical equipment, the transportation modes of the existing mine cars, rubber-tyred vehicles and common tracked vehicles cannot meet the requirements of mine transportation. The mine car transportation needs the tunnel to be formed and then the rail is laid firstly to transport the materials, so that the use limitation is large, the transportation is delayed, and the labor intensity of workers is increased; the common rubber-tyred vehicle has weak driving force, needs to walk on a flat road surface, and is easy to slip and incapable of moving forward once meeting underground sludge pits; ordinary crawler-type transport vechicle generally adopts the single section carriage, and the transporting capacity is little, and is slow, if adopt two sections carriages, transports in the mine, and the road surface jolts, and the rear truck shock attenuation effect is poor, in the transportation, not only spills the material easily, and at the in-process of emergency braking, the stress that the connection position of rear truck and front truck received is great, fragile, for this reason, the mining explosion-proof two sections crawler-type transport vechicles of all terrain that can solve above-mentioned problem urgently need one kind.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an all-terrain mining explosion-proof double-section crawler transport vehicle which can realize flexible steering in an underground roadway, strong bridge type driving climbing capacity, low requirement on roads, large transport capacity and good damping effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

an all-terrain mining explosion-proof double-section crawler transport vehicle comprises a front vehicle and a rear vehicle, wherein the front vehicle comprises a front carriage, a front vehicle chassis frame, a front vehicle driving device and front vehicle travelling mechanisms arranged on two sides of the front vehicle chassis frame; the rear vehicle comprises a rear carriage, a rear vehicle chassis frame, a rear vehicle driving device and rear vehicle traveling mechanisms arranged on two sides of the rear vehicle chassis frame, and the front vehicle driving device and the rear vehicle driving device are connected with each other through a transmission mechanism;

the front vehicle chassis frame and the rear vehicle chassis frame are connected by a steering hinge mechanism with a buffering function;

the rear carriage is hinged to the tail end of the rear chassis frame, a lifting oil cylinder is connected between the middle of the rear chassis frame and the rear carriage, a plurality of damping units are arranged on the surface of the rear chassis frame in a bilateral symmetry mode along the advancing direction of the vehicle body, two damping plates are arranged at the upper ends of the damping units in a symmetrical mode, and the upper ends of the damping units are located on two sides and are all drawn close to the inner side.

Preferably, the steering hinge mechanism comprises a front car connecting plate mounted on the front car chassis frame and a rear car connecting plate mounted on the rear car chassis frame, the rear vehicle connecting plate is provided with a rotatable connecting shaft, the outer ring surface of the connecting shaft is hinged with two steering oil cylinders and connecting rods which are uniformly distributed and arranged at intervals, one end of the steering oil cylinder, which is far away from the connecting shaft, is rotatably arranged on a front vehicle connecting plate, two mounting blocks which are arranged up and down are fixedly arranged on the front vehicle connecting plate, a through groove penetrating through the front and rear side walls is formed in the mounting block, one end of the connecting rod is inserted into the through groove in the mounting block and is provided with a wedge-shaped block, a fixed block matched with the inclined plane of the wedge-shaped block is arranged in the mounting block, the fixed block is fixedly arranged in the through groove through a bolt, through holes for penetrating through the transmission mechanism are formed in the front vehicle connecting plate, the connecting shaft and the rear vehicle connecting plate.

Preferably, the front vehicle travelling mechanism and the rear vehicle travelling mechanism respectively comprise travelling frames arranged on corresponding chassis frames, two ends of each travelling frame are respectively provided with a driving wheel and a tension wheel, a triangular supporting wheel set is arranged on the outer side of each travelling frame, the driving wheels on the front vehicle and the rear vehicle are respectively connected with corresponding driving axles, each triangular supporting wheel set comprises a triangular frame in an isosceles triangle shape, one corner of the upper end of each triangular frame is rotatably arranged on the corresponding travelling frame through a connecting shaft, two feet at the bottom of each triangular frame are respectively rotatably provided with a supporting wheel, and rubber tracks are sleeved on the outer portions, corresponding to the driving wheels, the tension wheels and the supporting wheels;

preferably, an annular frame is mounted at the upper end of each triangular frame, the circle centers of an inner annular surface and an outer annular surface of each annular frame coincide with the axis of the corresponding connecting shaft, an annular cavity is formed in each annular frame, a sliding block and a sliding ring which can slide along an arc are mounted in each annular cavity, a front annular shaft and a rear annular shaft are mounted on two sides of each triangular frame respectively, one ends, far away from the corresponding triangular frame, of the front annular shaft and the rear annular shaft extend to the inside of the annular cavity and are fixedly mounted on the corresponding sliding blocks, the sliding ring is sleeved on the outside of the rear annular shaft, a second spring and a first spring are sleeved on the outside of the front annular shaft and the rear annular shaft respectively, two ends of the second spring are fixedly mounted at one end of the annular cavity and one side of the sliding block respectively, and two ends of the second spring are fixedly mounted at the other end of.

Preferably, the damping unit comprises a bottom support installed on a chassis frame of the rear forklift, a sleeve is installed at the upper end of the bottom support, a groove is formed in the bottom of an inner cavity of the sleeve inside the bottom support, the bottom of the groove is wedge-shaped, a supporting ball post is installed at the bottom of the damping plate, a damping ball is installed at the lower end of the supporting ball post, the damping ball is installed inside the sleeve, a supporting ball rod is installed below the damping ball, and the lower end of the supporting ball rod is matched with the bottom of the groove.

Preferably, the bottom support and the supporting ball post are on the same straight line, and the angle between the bottom support and the rear vehicle driving frame is a.

Preferably, the lower surface of the rear car carriage is an inclined plane with a lower middle part and two higher sides, the upper surface of the damping plate is provided with an inclined plane, and the inclined planes on the two sides of the rear car carriage are matched with the inclined planes on the upper surface of the damping plate at the bottom.

Preferably, the front vehicle driving device comprises an explosion-proof engine, an explosion-proof accessory device, a gearbox, a first transmission shaft, a front vehicle wet brake and a front vehicle driving axle which are arranged on a front vehicle driving frame; the rear vehicle driving device comprises a rear vehicle wet brake and a rear vehicle driving axle which are arranged on a rear vehicle driving frame, and the rear vehicle driving axle is a front driving axle or a rear driving axle.

Preferably, the explosion-proof auxiliary device comprises a radiator assembly, an air storage tank, a diesel oil tank, a hydraulic pump, a water washing tank, a hydraulic oil tank and a water replenishing tank.

Preferably, the front part and the top of preceding carriage and back carriage all install crashproof roof beam, holographic camera device is all installed with the back carriage rear to the both sides of preceding carriage and back carriage.

Compared with the prior art, the invention has the beneficial effects that:

(1) the double-section carriage has larger transportation capacity than a single-section carriage, and the damping unit is additionally arranged at the bottom of the double-section carriage, so that the damping effect is good, the double-section carriage can be suitable for various road sections, and can be greatly suitable for various road sections;

(2) the double-section crawler belt is adopted, the double-section crawler belt ensures that the transport vehicle is more stable, the ground gripping force is increased, and the transport vehicle can smoothly pass through various road sections in a complicated mine roadway;

(3) the triangular supporting wheel groups are arranged in the two sections of tracks, the annular frame is arranged above each supporting wheel group, pressure borne by the connecting shaft in each supporting wheel group can be decomposed, the service life of the connecting shaft is prolonged, the front annular shaft, the rear connecting shaft, the first spring and the second spring which can play a role in guiding and reducing impact force are arranged in the annular frame, pressure and impact force borne by the connecting shaft are reduced when the vehicle passes through a bumpy road section, and the service life is prolonged;

(4) according to the damping device, the damping units are arranged at the bottoms of the rear carriage and the frame, and the damping units on the two sides are close to the inner side, so that the damping device plays a role in damping rear vehicles in the moving process, and has good bearing capacity when the vehicles are transported on an inclined road surface.

(5) The power system of the invention adopts the explosion-proof engine, has high power efficiency, stability and reliability, is suitable for underground explosion-proof environment and has high safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the steering knuckle mechanism of the present invention;

FIG. 3 is an exploded view of the steering articulation mechanism of the present invention;

FIG. 4 is a cross-sectional view of the steering articulation mechanism of the present invention;

FIG. 5 is a schematic structural view of a triangular thrust wheel set of the traveling mechanism of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic rear vehicle construction of the present invention;

FIG. 8 is a diagram of the rear vehicle operating on level roads in accordance with the present invention;

FIG. 9 is a diagram showing the rear vehicle of the present invention operating on an inclined road;

FIG. 10 is an enlarged view taken at B of FIG. 8 in accordance with the present invention;

FIG. 11 is a schematic structural view of a rear front drive axle according to the present invention;

FIG. 12 is an interior cross-sectional view of a rear front drive axle of the present invention;

FIG. 13 is a schematic structural view of a rear drive axle of the rear vehicle of the present invention;

fig. 14 is an interior cross-sectional view of the rear drive axle of the vehicle of the present invention.

Description of reference numerals:

1. front carriage, 2, rear carriage, 3, lift cylinder, 4, steering hinge mechanism, 5, rubber track, 6, front carriage running mechanism, 7, rear carriage running mechanism, 8, front carriage connecting plate, 9, rear carriage connecting plate, 10, connecting shaft, 11, mounting block, 12, connecting rod, 13, wedge block, 14, fixing block, 15, steering cylinder, 16, transmission mechanism, 17, front annular shaft, 18, tripod, 19, thrust wheel, 20, rear annular shaft, 21, annular frame, 22, first spring, 23, sliding block, 24, second spring, 25, sliding ring, 26, sleeve, 27, support ball column, 28, bottom support, 29, support, 30, front carriage chassis frame, 31, gear box, 32, first transmission shaft, 33, front carriage drive axle, 34, explosion-proof engine, 35, front carriage wet brake, 36, guide seat, 37, rear carriage wet brake, 38, Rear vehicle chassis frame, 39, third transmission shaft, 40, rear vehicle drive axle, 41, gear oil pump, 42, second transmission shaft, 43, universal joint, 44, walking frame, 45, driving wheel, 46, groove, 47, damping plate, 48 and connecting shaft.

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.

With reference to fig. 1, 11-14, an all-terrain mining explosion-proof double-section crawler transport vehicle comprises a front vehicle and a rear vehicle, wherein the front vehicle comprises a front carriage 1, a front vehicle chassis frame 30, a front vehicle driving device and front vehicle travelling mechanisms 6 arranged on two sides of the front vehicle chassis frame 30; the rear vehicle comprises a rear compartment 2 with a self-discharging function, a rear vehicle chassis frame 38, a rear vehicle driving device and rear vehicle travelling mechanisms 7 arranged on two sides of the rear vehicle chassis frame 38, the front parts and the tops of the front compartment 1 and the rear compartment 2 are respectively provided with an anti-collision beam which can reinforce the vehicle body and prevent the front side and the top of the vehicle body from collapsing, the front vehicle driving device comprises an anti-explosion engine 34 and an anti-explosion accessory device which are arranged on the front vehicle driving frame, a gearbox 31, a first transmission shaft 32, a front vehicle wet brake 35 and a front vehicle driving axle 33, and the first transmission shaft 32 is used for connecting the gearbox 32 with the front vehicle driving axle 33; the rear vehicle driving device comprises a rear vehicle wet brake 37 and a rear vehicle driving axle 40 which are arranged on a rear vehicle driving frame, the rear vehicle driving axle 40 is a front driving axle or a rear driving axle, and a driving operation system is arranged in the front carriage 1; a gear oil pump is arranged on one side of the explosion-proof engine 4 and the gearbox; the gear oil pump provides hydraulic power for a wet brake system of the transport vehicle to realize hydraulic braking of the transport vehicle, the anti-explosion auxiliary device comprises a radiator assembly, an air storage tank, a diesel oil tank, a hydraulic pump, a water washing tank, a hydraulic oil tank and a water supplementing tank, and the radiator assembly consists of an intercooling radiator, a hydraulic oil radiator and an engine radiator; the air storage tank stores compressed air. The explosion-proof engine can select a compressed air starting mode or an explosion-proof electric energy starting mode, and the starting process is stable and reliable; the explosion-proof system is used for air inlet filtration, air pipe cooling and smoke exhaust cleaning, and is suitable for an explosion-proof environment. The power output by the explosion-proof engine 34 is transmitted to the front vehicle drive axle 33 through the first transmission shaft 32 after being changed in torque by the gearbox 31, the rear vehicle drive axle 40 is arranged at the front part of the rear vehicle chassis frame 38 for power transmission, and the power of the engine is transmitted to the rear vehicle drive axle 40 through the second transmission shaft 42 after being changed in torque by the transmission device of the gearbox 31; the second transmission shaft 42 is a telescopic transmission shaft and is used for absorbing impact force applied to the transport vehicle when the transport vehicle runs on a bumpy road section and reducing impact on a universal joint, the universal joint 43 is arranged at two ends of the second transmission shaft 42, one end of the second transmission shaft is connected with the front vehicle drive axle 33, and the other end of the second transmission shaft is connected with the rear vehicle drive axle 40 to transmit power of an engine to the drive axle.

With reference to fig. 12 and 14, the front vehicle drive axle 33 is disposed at the rear portion of the front vehicle chassis 30, and both sides of the front vehicle drive axle 33 are connected to the drive wheels of the front vehicle traveling mechanism 4, so as to realize a rear drive mode of the front vehicle; the rear vehicle drive axle 40 can be arranged at the front part or the rear part of the rear vehicle chassis frame 38 to realize a front drive or rear drive mode of the rear vehicle, when the rear vehicle drive axle 40 is arranged at the front part of the rear vehicle chassis frame 38, the front vehicle drive axle 33 and the rear vehicle drive axle 40 are connected only through the second transmission shaft 42 and the universal joint 43 for the front drive of the rear vehicle, and the second transmission shaft 42 is of a telescopic structure to prevent the second transmission shaft 42 from being broken due to impact force; when the rear vehicle drive axle 40 is arranged at the rear part of the rear vehicle chassis frame 38, for rear vehicle rear drive, the front vehicle drive axle 33 and the rear vehicle drive axle 40 are connected through the second transmission shaft 42 and the third transmission shaft 39, the joints of the two ends of the second transmission shaft 42 and the third transmission shaft 39 are all provided with universal joints, the third transmission shaft 39 is installed on the rear vehicle chassis frame 38 through the guide seat 36, holographic cameras are installed on the two sides of the front compartment 1 and the rear compartment 2 and the tail of the rear compartment 2, and the holographic cameras can be used for observing the two sides and the peripheral conditions.

With reference to fig. 1, 5 and 6: the front vehicle traveling mechanism 6 and the rear vehicle traveling mechanism 7 both comprise traveling frames 44 mounted on corresponding chassis frames, driving wheels 45 and tension wheels are mounted at two ends of the traveling frames 44 respectively, triangular supporting wheel sets are mounted on the outer sides of the traveling frames 44 respectively, the driving wheels 45 on the front vehicle and the rear vehicle are connected with corresponding driving axles respectively, each triangular supporting wheel set comprises a triangular frame 18 in the shape of an isosceles triangle, one corner of the upper end of each triangular frame 18 is rotatably mounted on the corresponding traveling frame 44 through a connecting shaft 48, supporting wheels 19 are rotatably mounted on two feet at the bottom of each triangular frame 18, rubber tracks 5 are sleeved outside the corresponding driving wheels 45, the tension wheels and the supporting wheels 19, each supporting wheel set is designed in a triangular structure with two rows of four wheels to enhance the bearing capacity, meanwhile, the contact area between each supporting wheel set and the rubber tracks 5 is increased, and when the triangular structures suddenly generate a convex road surface, the impact force received by the front wheel is large, the rotation angle of the thrust wheel 19 positioned at the front part is too large when the thrust wheel 19 is stressed, the thrust wheel 19 is separated from the rubber track 5, the upper end of each tripod 18 is provided with an annular frame 21, the circle centers of the inner annular surface and the outer annular surface of each annular frame 21 are coincided with the axis of the corresponding connecting shaft 48, an annular cavity is arranged in each annular frame 21, a sliding block 23 and a sliding ring 25 which can slide along an arc are arranged in each annular cavity, a front annular shaft 17 and a rear annular shaft 20 are respectively arranged at two sides of each tripod 18, one ends of the front annular shaft 17 and the rear annular shaft 20, far away from the corresponding tripod 18, extend to the inner parts of the annular cavities and are fixedly arranged on the corresponding sliding blocks 23, when a vehicle bears a heavy impact force or meets a large impact force, the front annular shaft 17, the rear annular shaft 20 and the annular frames 21 can support the annular shafts to decompose the pressure borne by the, the slip ring 25 is sleeved outside the rear annular shaft 20, the second spring 24 and the first spring 22 are respectively sleeved outside the front annular shaft 17 and the rear annular shaft 20, two ends of the second spring 24 are respectively fixedly installed at one end of the annular cavity and one side of the slide block 23, two ends of the second spring 24 are respectively fixedly installed at the other end of the annular cavity and one side of the slip ring 25, the contact state of the rubber track 5 and the ground can be timely adjusted according to the road surface condition, the gripping ability of the rubber track 5 is increased, the rubber track 5 can be effectively protected, when the road surface is a flat road surface, the supporting wheel 19 is in a horizontal state, when the road surface is convex, the impact force borne by the front supporting wheel 19 is large, after the front supporting wheel 19 is stressed, the triangular support 18 rotates around the connecting shaft 48, the triangular support 18 drives the front annular shaft 17 to press inwards, the front annular shaft 17 presses the slide block 23 inwards, the sliding block 23 is inwards abutted against the sliding ring 25, the sliding block 23 can be ensured to pull the second spring 24, the sliding ring 25 can press the first spring 22, and then the first spring 22 and the second spring 24 can buffer the sliding block, when the sliding block crosses the bulge, under the action of the springs, the sliding block is high in return speed, is more closely attached to the ground, and is higher in ground gripping force, and the front vehicle driving device and the rear vehicle driving device are connected by adopting the steering hinge mechanism 4 with the buffering function;

with reference to fig. 1-4: a steering hinge mechanism 4 with a buffering function is connected between the front chassis frame 30 and the rear chassis frame 38, the steering hinge mechanism 4 comprises a front vehicle connecting plate 8 mounted on the front vehicle chassis frame 30 and a rear vehicle connecting plate 9 mounted on the rear vehicle chassis frame 38, a rotatable connecting shaft 10 is mounted on the rear vehicle connecting plate 9, two steering cylinders 15 and connecting rods 12 which are uniformly distributed are hinged on the outer annular surface of the connecting shaft 10, the steering cylinders 15 and the connecting rods 12 are arranged at intervals, one end of the steering cylinder 15, far away from the connecting shaft 10, is rotatably mounted on the front vehicle connecting plate 8, a gear oil pump provides hydraulic power for the steering cylinders, the steering cylinders stretch and retract to steer the transport vehicle, two mounting blocks 11 which are arranged up and down are fixedly mounted on the front vehicle connecting plate 8, and through grooves which penetrate through the front and rear side walls are formed in the mounting blocks 11, one end of the connecting rod 12 is inserted into a through groove inside the mounting block 11 and is provided with a wedge block 13, a fixed block 14 matched with the inclined plane of the wedge-shaped block 13 is arranged in the mounting block 11, the fixed block 14 is fixedly arranged in the through groove through a bolt, when the steering hinge mechanism 4 receives the impact force of a rear vehicle during emergency braking, the wedge-shaped block 13 applies pressure towards the direction of the fixed block 14, a gap is reserved between one end of the wedge-shaped block 13 and the inside of the fixed block 14, a gap is also reserved between one end of the fixed block 14 and the outer inclined plane of the wedge-shaped block 13, when the impact force is larger, the wedge-shaped structure can relieve the impact force received by the connecting rod 12 and the fixed block 14, prevent the connecting rod from being broken, through holes for penetrating through the transmission mechanism 16 are formed in the front vehicle connecting plate 8, the connecting shaft 10 and the rear vehicle connecting plate 9, the transmission mechanism 16 comprises a transmission shaft and a universal joint 43, and the universal joint 43 is arranged at the turning position at the front end of the connecting shaft 10;

with reference to fig. 7-10, the rear car 2 is hinged to the rear car chassis 38, the lift cylinder 3 is connected between the middle of the rear car chassis 38 and the rear car 2, the lift cylinder 3 completes the self-discharging function of the rear car 2, the surface of the rear car chassis 38 is provided with a plurality of shock absorption units symmetrically arranged along the left and right sides of the car body advancing direction, two shock absorption plates 47 symmetrically arranged are installed at the upper ends of the shock absorption units, the upper ends of the shock absorption units positioned at both sides are drawn to the inner side, the shock absorption units at the left and right sides incline to the middle of the car body with reference to fig. 8 and fig. 10, the supporting effect is better, the shock absorption units comprise a bottom support 28 installed on the rear forklift chassis, the bottom support 28 and a support ball column 27 are on the same straight line, the angle between the bottom support 28 and the rear car drive frame is a, 45< a <60, the sleeve 26 is installed at the upper, the inside of the bottom support 28 is positioned at the bottom of the inner cavity of the sleeve 26 and is provided with a groove 46, the groove bottom of the groove 46 is wedge-shaped, the bottom of the damping plate 47 is provided with a supporting ball post 27, the lower end of the supporting ball post 27 is provided with a damping ball, the damping ball is arranged inside the sleeve 26 and is arranged inside the sleeve 26, when the damping ball presses downwards, the damping ball plays a role in damping by utilizing the tension of the sleeve 26, a supporting ball rod 29 is arranged below the damping ball, the lower end of the supporting ball rod 29 is matched with the groove bottom of the groove 46, the supporting ball rod 29 can play a role in supporting when touching the groove bottom of the groove 46 and is used for protecting the sleeve 26 and preventing the sleeve 26 from being damaged due to overlarge outward opening angle, the lower surface of the rear compartment is an inclined plane with a low middle part and high two sides, the upper surface of the damping plate 47 is provided with an inclined plane, the inclined planes at two sides of the rear, referring to fig. 9, when the vehicle is in an inclined state, the plurality of damping units located on the inclined side of the vehicle can achieve good supporting and damping effects, and the inclined surface of the rear compartment 2 contacting the damping plate 47 can prevent the vehicle from rolling over.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an explosion-proof two sections caterpillar band transport vechicles of all terrain is mining, includes front truck and back car, its characterized in that: the front vehicle comprises a front carriage (1), a front vehicle chassis frame (30), a front vehicle driving device and front vehicle travelling mechanisms (6) arranged on two sides of the front vehicle chassis frame (30); the rear vehicle comprises a rear carriage (2), a rear vehicle chassis frame (38), a rear vehicle driving device and rear vehicle traveling mechanisms (7) arranged on two sides of the rear vehicle chassis frame (38), and the front vehicle driving device and the rear vehicle driving device are mutually connected through a transmission mechanism (16);

the front vehicle chassis frame (30) and the rear vehicle chassis frame (38) are connected by a steering hinge mechanism (4) with a buffering function;

rear carriage (2) and rear chassis frame (38) are terminal articulated, be connected with between rear chassis frame (38) middle part and the rear carriage (2) and lift hydro-cylinder (3), rear chassis frame (38) surface mounting has a plurality of shock attenuation unit along automobile body advancing direction bilateral symmetry arrangement, shock attenuation board (47) of two symmetrical arrangement are installed to shock attenuation unit upper end, are located both sides the shock attenuation unit upper end all draws close to the inboard.

2. The all-terrain mining explosion-proof double-section crawler belt conveyor vehicle as claimed in claim 1, wherein the steering hinge mechanism (4) comprises a front vehicle connecting plate (8) mounted on a front vehicle chassis frame (30) and a rear vehicle connecting plate (9) mounted on a rear vehicle chassis frame (38), a rotatable connecting shaft (10) is mounted on the rear vehicle connecting plate (9), two steering cylinders (15) and connecting rods (12) which are uniformly distributed and arranged at intervals are hinged on the outer ring surface of the connecting shaft (10), one end of each steering cylinder (15) far away from the connecting shaft (10) is rotatably mounted on the front vehicle connecting plate (8), two mounting blocks (11) which are arranged up and down are fixedly mounted on the front vehicle connecting plate (8), through grooves which penetrate through the front and rear side walls are formed in the mounting blocks (11), one end of each connecting rod (12) is inserted into the through groove in the mounting block (11) and is provided with a wedge block (13), the utility model discloses a driving mechanism, including mounting block (11), fixed block (14) of the internally mounted of mounting block (11) with the inclined plane looks adaptation of wedge (13), fixed block (14) are through bolt fixed mounting in passing through the groove, the through hole that is used for passing drive mechanism (16) is seted up to the inside of preceding car connecting plate (8), connecting axle (10) and back car connecting plate (9).

3. The all-terrain mining explosion-proof double-section crawler according to claim 2, the front vehicle travelling mechanism (6) and the rear vehicle travelling mechanism (7) both comprise travelling frames (44) arranged on corresponding chassis frames, two ends of the walking frame (44) are respectively provided with a driving wheel (45) and a tension wheel, the outer side of the walking frame (44) is provided with a triangular supporting wheel set, the driving wheels (45) on the front vehicle and the rear vehicle are respectively connected with corresponding driving axles, the triangular supporting wheel set comprises a triangular frame (18) in the shape of an isosceles triangle, one corner of the upper end of the tripod (18) is rotatably arranged on the corresponding walking frame (44) through a connecting shaft (48), two legs at the bottom of the tripod (18) are both rotatably provided with a supporting wheel (19), and a rubber track (5) is sleeved outside the driving wheel (45), the tension wheel and the supporting wheel (19).

4. The all-terrain mining explosion-proof double-section crawler transport vehicle according to claim 3, characterized in that an annular frame (21) is mounted at the upper end of each tripod (18), the circle centers of an inner annular surface and an outer annular surface of each annular frame (21) are coincided with the axis of a corresponding connecting shaft (48), an annular cavity is formed in each annular frame (21), a sliding block (23) and a sliding ring (25) which can slide along an arc are mounted in each annular cavity, a front annular shaft (17) and a rear annular shaft (20) are respectively mounted on two sides of each tripod (18), one ends, far away from the corresponding tripod (18), of the front annular shaft (17) and the rear annular shaft (20) extend to the inside of the annular cavity and are fixedly mounted on the corresponding sliding block (23), the sliding ring (25) is sleeved on the outside of the rear annular shaft (20), a second spring (24) and a first spring (22) are respectively sleeved on the outside of the front annular shaft (17) and the rear annular shaft (20), two ends of the second spring (24) are fixedly installed at one end of the annular cavity and one side of the sliding block (23) respectively, and two ends of the second spring (24) are fixedly installed at the other end of the annular cavity and one side of the sliding ring (25) respectively.

5. The all-terrain mining explosion-proof double-section crawler belt conveyor vehicle as claimed in claim 4, wherein the damping unit comprises a bottom support (28) mounted on a chassis frame of a rear forklift, a sleeve (26) is mounted at the upper end of the bottom support (28), a groove (46) is formed in the bottom of an inner cavity of the sleeve (26) in the bottom of the bottom support (28), the groove bottom of the groove (46) is wedge-shaped, a supporting ball column (27) is mounted at the bottom of the damping plate (47), a damping ball is mounted at the lower end of the supporting ball column (27), the damping ball is mounted in the sleeve (26), a supporting ball rod (29) is mounted below the damping ball, and the lower end of the supporting ball rod (29) is matched with the groove bottom of the groove (46).

6. The all-terrain mining explosion-proof double-section crawler belt carrier as claimed in claim 5, wherein the bottom support (28) and the supporting ball column (27) are on the same straight line, and the angle between the bottom support (28) and a rear vehicle driving frame is a.

7. The all-terrain mining explosion-proof double-section crawler carrier as claimed in claim 6, wherein the lower surface of the rear carriage is an inclined plane with a low middle part and two high sides, the upper surface of the damping plate (47) is provided with an inclined plane, and the inclined planes on the two sides of the rear carriage are matched with the inclined plane on the upper surface of the damping plate (47) at the bottom.

8. The all-terrain mining explosion-proof double-track transport vehicle as claimed in claim 7, characterized in that the front vehicle driving device comprises an explosion-proof engine (34), an explosion-proof attachment, a gearbox (31), a first transmission shaft (32), a front vehicle wet brake (35) and a front vehicle drive axle (33) which are mounted on a front vehicle driving frame; the rear vehicle driving device comprises a rear vehicle wet brake (37) and a rear vehicle driving axle (40) which are arranged on a rear vehicle driving frame, wherein the rear vehicle driving axle (40) is a front driving axle or a rear driving axle.

9. An all-terrain mining explosion-proof double-section crawler transport vehicle according to claim 8, wherein the explosion-proof auxiliary device comprises a radiator assembly, an air storage tank, a diesel tank, a hydraulic pump, a water washing tank, a hydraulic oil tank and a water replenishing tank.

10. The all-terrain mining explosion-proof double-section crawler transport vehicle as claimed in claim 9, wherein the front part and the top part of the front carriage (1) and the rear carriage (2) are provided with anti-collision beams, and the two sides of the front carriage (1) and the rear carriage (2) and the tail of the rear carriage (2) are provided with holographic cameras.