CN210680963U - Mining multifunctional all-terrain explosion-proof traction transport vehicle - Google Patents
Mining multifunctional all-terrain explosion-proof traction transport vehicle Download PDFInfo
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- CN210680963U CN210680963U CN201921314887.6U CN201921314887U CN210680963U CN 210680963 U CN210680963 U CN 210680963U CN 201921314887 U CN201921314887 U CN 201921314887U CN 210680963 U CN210680963 U CN 210680963U
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Abstract
The utility model discloses a mining multi-functional explosion-proof traction transport vechicle of full topography. The anti-explosion vehicle frame comprises a lamp bracket (1) arranged at the upper part of a vehicle frame main body, a miner lamp (2), a radiator (3), a covering plate (4), a direction control rod (5) or a steering wheel (22), an anti-explosion engine (6), a wet clutch (7), a gearbox operating handle (8), a seat (9), a rear carriage (18) and a crawler-type traveling chassis arranged at the lower part of the vehicle frame main body; the crawler-type walking chassis is provided with a gearbox (34) connected with the explosion-proof engine through a wet clutch, a transmission shaft (35) connected with the gearbox, a drive axle connected with the drive axle through the drive axle, a drive wheel connected with the drive axle through the drive axle, a brake cylinder, a brake inner disc, a brake transmission shaft, a tension wheel, a supporting wheel (11), a chain wheel (12) and a crawler (13). The utility model discloses realize the nimble requirement of high efficiency, multiplex condition operation of mining transport vechicle, the dependable performance, the suitability is strong, improves mine operating efficiency by a wide margin.
Description
Technical Field
The utility model relates to a mining transport vechicle specifically is a mining multi-functional explosion-proof traction transport vechicle of full topography.
Background
Mine car transportation and rubber-tyred car transportation in modern mine transportation modes, the mine car is usually limited by rails and can only travel according to a laid rail route, and a roadway without the rails cannot move forward and can only be carried to a construction site by manpower; the rubber-tyred car wheel is the rubber material, when meetting the silt low hole in the pit, sinks the mire deeply easily, can't go forward.
Disclosure of Invention
Problem to above-mentioned prior art exists, the utility model provides a mining multi-functional explosion-proof traction transport vechicle of full topography realizes the requirement of the nimble high efficiency of mining transport vechicle, multiplex condition operation, and the dependable performance, the suitability is strong, improves mine operating efficiency by a wide margin.
In order to achieve the purpose, the utility model provides a mining all-terrain multifunctional explosion-proof traction transport vehicle, which comprises a lamp bracket, a miner lamp, a radiator, a covering plate, a direction control rod or a steering wheel, an explosion-proof engine, a wet clutch, a gearbox operating handle, a seat, a rear carriage and a crawler-type walking chassis arranged at the lower part of a frame main body;
the crawler-type traveling chassis is provided with a gearbox connected with the explosion-proof engine through a wet clutch, a transmission shaft connected through the gearbox, a drive axle in driving connection through the transmission shaft, a driving wheel in driving connection through the drive axle, a brake cylinder, a brake inner disc, a brake transmission shaft, a tension wheel, a thrust wheel, a carrier wheel and a crawler;
the explosion-proof engine and the seat form a front power part and can be arranged at the rear part of the transport vehicle to drive the transport vehicle to run.
Further, the drive axle is a rear double-drive wet-type drive axle and is arranged at the rear part of the frame, the tension wheel is a front tension wheel arranged at the front part of the crawler-type walking chassis, the rear double-drive wet-type drive axle is in driving connection through a transmission shaft, and the rear double-drive wet-type drive axle is in driving connection with a rear driving wheel;
the brake cylinder is a rear brake cylinder which is controlled by a pedal and is arranged on a rear double-drive wet-type drive axle, and a rear wet-type brake inner disc which is arranged on a rear drive wheel is connected and controlled by a rear brake transmission shaft.
Further, the drive axle is a front double-drive wet-type drive axle which is arranged at the front part of the frame, the tension wheel is a rear tension wheel arranged at the rear part of the crawler-type walking chassis, the front double-drive wet-type drive axle is in driving connection through a transmission shaft, and the front double-drive wet-type drive axle is in driving connection with the front drive wheel;
the brake cylinder is a front brake cylinder which is controlled by a pedal and is arranged on the front double-drive wet-type drive axle, and a front wet-type brake inner disc which is arranged on the front drive wheel is connected and controlled by a front brake transmission shaft.
Further, the drive axles are respectively a front double-drive wet-type drive axle and a rear double-drive wet-type drive axle which are arranged at the front part and the rear part of the frame to form a double-four-drive wet-type drive axle, the tension wheel is a front tension wheel arranged at the front part of the crawler-type walking chassis, the front double-drive wet-type drive axle and the rear double-drive wet-type drive axle are respectively in driving connection through a transmission shaft, the front double-drive wet-type drive axle is in driving connection with a front drive wheel, the rear double-drive wet-type drive axle is in driving connection with a rear drive wheel, and the front drive wheel and the rear;
the brake cylinder is through pedal control, installs respectively in leading two wet-type transaxles of driving and the rear-mounted two preceding brake cylinder and the back brake cylinder that drive on the wet-type transaxle that drives of front, locates the preceding wet-type brake inner disc on the front drive wheel through preceding brake transmission shaft control connection, locates the back wet-type brake inner disc on the back drive wheel through back brake transmission shaft control connection.
Furthermore, the frame main body is connected with a driving rear carriage through a lifting multi-stage oil cylinder and a supporting table, and the supporting table is connected with a lower side shaft of a platform plate on the frame.
Furthermore, a front traction hook and a rear traction hook are respectively fixed at the front end and the rear end of the frame.
Further, a lamp bracket and a miner lamp are arranged at the front end of the frame, a diesel oil tank, a hydraulic oil tank and a valve group are arranged on the right side of the explosion-proof engine, and a tool box, an explosion-proof battery box, a running operation frame and a seat are arranged on the left side of the explosion-proof engine; the washing tank is installed in the right rear of explosion-proof engine, connects engine spraying mouth, and the seat setting is in the rear side of operation frame that traveles, and the rear carriage is installed in the rear side of seat.
Compared with the prior art, the mining all-terrain multifunctional explosion-proof traction transport vehicle has the beneficial effects that:
1. the power adopts an explosion-proof engine, the power is efficient, the stability is good, and the underground explosion-proof environment is suitable;
2. the speed changing box can realize multi-gear speed regulation forward and backward, has three structural forms of front axle double-drive driving, rear axle double-drive driving and double axle four-drive driving, increases the running torque of the transport vehicle by driving the axle, is matched with crawler-type running and emergency braking, and has stronger ground grabbing capacity;
3. by means of the crawler-type traveling chassis structure, in a complex mine tunnel, the coal-rock soil pile and the inclined tunnel bend can smoothly pass through when encountering a muddy water pit, a bottom heave, the coal-rock soil pile and the inclined tunnel bend;
4. the front and the back of the transport vehicle are respectively provided with a traction hook for traction of a mine car, a rubber-tyred vehicle and materials and adjustment of the position of heavy equipment, so that the phenomenon of work-involving caused by deep sinking of the vehicle or movement of heavy goods is avoided;
5. the safety is high, the transportation efficiency is improved, and the condition that the roadway is large in gradient and difficult to transport is overcome;
6. the optimized design, the maintenance of being convenient for, the platform is broad, is convenient for place article, has jack-up multi-stage cylinder automatic discharge function.
Drawings
Fig. 1 is a vertical view (with rear carriage) of the rear drive bridge type transport vehicle of the present invention;
FIG. 2 is an elevation view of the front drive bridge truck of the present invention;
fig. 3 is an elevation view of the dual-drive bridge type transport vehicle (self-unloading state of the lifting multi-stage hydraulic cylinder);
fig. 4 is a top view of the present invention;
FIG. 5 is a rear drive axle connection diagram of the present invention;
FIG. 6 is a front drive axle connection structure diagram of the present invention;
figure 7 is a dual drive axle connection diagram of the present invention;
FIG. 8 is a rear view of the power section of the present invention;
legend: 1. a lamp bracket, 2, a miner lamp, 3, a radiator, 4, a covering plate, 5, a directional control rod, 6, an explosion-proof engine, 7, a wet clutch, 8, a gearbox operating handle, 9, a seat, 10, a front tension wheel, 11, a supporting wheel, 12, a chain supporting wheel, 13, a crawler belt, 14, a rear driving wheel, 15, a front driving wheel, 16, a rear tension wheel, 17, a hoisting multi-stage oil cylinder, 18, a rear carriage, 19, a supporting table, 20, a double driving wheel, 21, a front traction hook, 22, a steering wheel, 23, a diesel oil tank, 24, a hydraulic oil tank, 25, a valve bank, 26, a water washing tank, 27, a platform plate, 28, a rear traction hook, 29, a tool box, 30, an explosion-proof battery box, 31, a running operating frame, 32, a pedal, 33, a gearbox operating platform, 34, a gearbox, 35, a transmission shaft, 36, a rear double wet driving axle, 37, a rear brake cylinder, 38 and a rear wet brake inner disc, 39. the brake comprises a rear brake transmission shaft 40, a front double-drive wet drive axle 41, a front brake cylinder 42, a front brake transmission shaft 43, a front wet brake inner disc 44 and a double-drive four-drive wet drive axle.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the mining all-terrain multifunctional explosion-proof traction transport vehicle comprises a lamp bracket 1, a miner lamp 2, a radiator 3, a covering plate 4, a direction control rod 5 or a steering wheel 22, an explosion-proof engine 6, a wet clutch 7, a gearbox operating handle 8, a seat 9, a rear carriage 18 and a crawler-type traveling chassis arranged at the lower part of a frame body, wherein the lamp bracket 1, the miner lamp 2, the radiator 3, the covering plate 4, the direction control rod 5 or the steering wheel 22 are arranged;
the crawler-type walking chassis is provided with a gearbox 34 connected with the explosion-proof engine 6 through a wet clutch 7, a transmission shaft 35 connected with the gearbox 34, a drive axle in driving connection with the transmission shaft 35, a driving wheel in driving connection with the drive axle, a brake cylinder, a brake inner disc, a brake transmission shaft, a tension wheel, a supporting wheel 11, a chain wheel 12 and a crawler 13.
Further, the drive axle is a rear double-drive wet-type drive axle 36 and is arranged at the rear part of the frame, the tension wheel is a front tension wheel 10 arranged at the front part of the crawler-type walking chassis, the rear double-drive wet-type drive axle 36 is in driving connection through a transmission shaft 35, and the rear double-drive wet-type drive axle 36 is in driving connection with a rear drive wheel 14;
the brake cylinder is a rear brake cylinder 37 which is controlled by a pedal 32 and is arranged on a rear double-drive wet-type drive axle 36, and a rear wet-type brake inner disc 38 which is connected to the rear drive wheel 14 in a control mode through a rear brake transmission shaft 39.
Further, the drive axle is a front double-drive wet-type drive axle 40 which is arranged at the front part of the frame, the tension wheel is a rear tension wheel 16 arranged at the rear part of the crawler-type walking chassis, the front double-drive wet-type drive axle 40 is in driving connection through a transmission shaft 35, and the front double-drive wet-type drive axle 40 is in driving connection with a front drive wheel 15;
the brake cylinder is a front brake cylinder 41 which is controlled by a pedal 32 and is arranged on a front double-drive wet-type drive axle 40, and a front wet-type brake inner disc 43 which is connected on the front drive wheel 15 in a control mode through a front brake transmission shaft 42.
Further, the driving axles are respectively a front double-drive wet-type driving axle 40 and a rear double-drive wet-type driving axle 36 which are arranged at the front part and the rear part of the frame to form a double-four-drive wet-type driving axle 44, the tension wheel is a front tension wheel 10 arranged at the front part of the crawler-type traveling chassis, the front double-drive wet-type driving axle 40 and the rear double-drive wet-type driving axle 36 are respectively in driving connection through a transmission shaft 35, the front double-drive wet-type driving axle 40 is in driving connection with a front driving wheel 15, the rear double-drive wet-type driving axle 36 is in driving connection with a rear driving wheel 14, and the front driving wheel 15 and the rear driving wheel;
the brake cylinders are a front brake cylinder 41 and a rear brake cylinder 37 which are controlled by a pedal 32 and respectively arranged on a front double-drive wet-type drive axle 40 and a rear double-drive wet-type drive axle 36, a front wet-type brake inner disc 43 which is connected to the front drive wheel 15 in a control mode through a front brake transmission shaft 42, and a rear wet-type brake inner disc 38 which is connected to the rear drive wheel 14 in a control mode through a rear brake transmission shaft 39.
Furthermore, the rear carriage 18 is connected and driven on the frame body through a lifting multi-stage oil cylinder 17 and a support platform 19, and the support platform 19 is connected with a lower side shaft of a platform plate 27 on the frame. The lifting multi-stage oil cylinder 17 can lift the falling carriage to lift and dump the materials in the carriage.
Further, a front traction hook 21 and a rear traction hook 28 are fixed to the front end and the rear end of the frame respectively. Can drag mine cars, rubber-tyred cars and heavy objects. Can drag, draw and drag mine cars, rubber-tyred vehicles and flatcars, and can also play a role in traction when encountering heavy equipment.
Further, a lamp bracket 1 and a miner lamp 2 are arranged at the front end of the frame, a diesel oil tank 23, a hydraulic oil tank 24 and a valve group 25 are arranged on the right side of the explosion-proof engine 6, and a tool box 29, an explosion-proof battery box 30, a running operation frame 31 and a seat 9 are arranged on the left side of the explosion-proof engine 6; the water washing tank 26 is attached to the rear right of the explosion-proof engine 6 and connected to an engine blowout port, the seat 9 is provided on the rear side of the travel operation frame 31, and the rear compartment 18 is attached to the rear side of the seat 9. The driver sits on the seat 9, the right hand can operate the gearbox operating handle 8 to adjust the gear speed, and the two hands can operate the direction control rod 5 (or the steering wheel 22) to adjust the driving direction.
The explosion-proof engine 6 can be used in an explosive gas environment and does not ignite ambient gas. The radiator is used for effectively transmitting heat generated by the explosion-proof engine to the radiator and then sending the heat to ambient air through the radiator. The water washing tank 26 has the functions of oil smoke filtering, cooling and smoke exhausting pipelines, and prevents the smoke sprayed by the engine from having flames and overheating pipe walls. The wet clutch 7 is a wet friction clutch, and the clutch plates are disposed in a sealed oil tank, and absorb heat by transmission oil that soaks the clutch plates. The explosion-proof battery box 30 is used for placing a lithium battery, and the power supply function of an engine, a storage miner lamp and the like is started by using a storage power supply. The traveling operation frame 31 may be provided with a direction control lever 5 and a steering wheel 22, and the traveling direction may be changed by selecting one of them; the gearbox control platform is provided with a gearbox operating handle which can adjust the running speed of the transport vehicle and has a multi-gear forward and backward mode. The tool box 29 may be used to store service tools. The pedal 32 comprises a clutch pedal, an accelerator pedal and a brake pedal.
The gearbox 34 has the functions of changing the transmission ratio and expanding the torque and the rotating speed of the driving wheel; the wet drive axle changes the transmission direction of the transmitted engine power through speed reduction and torque increase and distributes the power to the drive wheels; the crawler-type traveling chassis can smoothly move forwards on mud, stone and concave-convex ground; the wet brake is a process that the brake cylinder adjusts a brake transmission shaft under the action of oil pressure to brake an inner wet brake disc in the driving wheel; the tension wheel is mainly used for keeping the crawler belt to have certain tension degree and playing a role in buffering in the working and running processes; the power transmission process is that the explosion-proof engine outputs power, the power is transmitted to a wet drive axle through a transmission shaft after being changed in torque and speed by a gearbox through a wet clutch, and then the transmission direction is changed to a driving wheel. The front axle double-drive driving mode, the rear axle double-drive driving mode and the double axle four-drive driving mode all utilize a direction control rod (or a steering wheel) to control a single-side brake cylinder to brake and walk to adjust the driving direction.
The explosion-proof engine 6 is started, the transmission shaft 35 is rotated through the wet clutch 7 and the gearbox 34, so that kinetic energy is transmitted to the rear wet drive axle 36 (or the front wet drive axle 40 or the double drive axles 44), and then the transmission direction is changed to the rear drive wheels 14 (or the front drive wheels 15 or the double drive wheels 20); the wet brake system is characterized in that a brake pedal 32 is pressed down, a rear brake cylinder 37 (or a front brake cylinder 41) is controlled, a rear brake transmission shaft 39 (or a front brake transmission shaft 42) is adjusted, and a rear wet brake inner disc 38 (or a front wet brake inner disc 43) is braked and stopped. The tightness degree of the crawler 13 is tensioned by a rear tensioning wheel 16 (or a front tensioning wheel 10), the chain plates are driven to roll by the hobbing on a rear driving wheel 14 (or a front driving wheel 15 or a double driving wheel 20), the climbing capability of the crawler structure is strong, and the running is safe. The hydraulic transmission is that the engine 6 is started, the hydraulic pump works, the hydraulic oil is supplied to the valve group 25 and then is transmitted to the hoisting multi-stage oil cylinder 17; the circuit supply is that the explosion-proof engine 6 is started, the generator works, and the power is supplied to the lithium battery in the explosion-proof battery box 30 for storage and then transmitted to the starting device of the explosion-proof engine 6, the miner lamp and the like.
In conclusion, the power of the mining all-terrain multifunctional explosion-proof traction transport vehicle adopts an explosion-proof engine, so that the power is high-efficiency and good in stability, and the mining all-terrain multifunctional explosion-proof traction transport vehicle is suitable for underground explosion-proof environments; the speed changing box can realize multi-gear speed regulation forward and backward, has three structural forms of front axle double-drive driving, rear axle double-drive driving and double axle four-drive driving, increases the running torque of the transport vehicle by driving the axle, is matched with crawler-type running and emergency braking, and has stronger ground grabbing capacity; by means of the crawler-type traveling chassis structure, in a complex mine tunnel, the coal-rock soil pile and the inclined tunnel bend can smoothly pass through when encountering a muddy water pit, a bottom heave, the coal-rock soil pile and the inclined tunnel bend; the front and the back of the transport vehicle are respectively provided with a traction hook for traction of a mine car, a rubber-tyred vehicle and materials and adjustment of the position of heavy equipment, so that the phenomenon of work-involving caused by deep sinking of the vehicle or movement of heavy goods is avoided; the safety is high, the transportation efficiency is improved, and the condition that the roadway is large in gradient and difficult to transport is overcome; the optimized design, the maintenance of being convenient for, the platform is broad, is convenient for place article, has jack-up multistage hydraulic cylinder automatic discharge function.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A mining all-terrain multifunctional explosion-proof traction transport vehicle is characterized in that,
the anti-explosion vehicle frame comprises a lamp bracket (1), a miner lamp (2), a radiator (3), a covering plate (4), a direction control rod (5) or a steering wheel (22), an anti-explosion engine (6), a wet clutch (7), a gearbox operating handle (8), a seat (9), a rear carriage (18) and a crawler-type traveling chassis arranged at the lower part of the frame body;
the crawler-type traveling chassis is provided with a gearbox (34) connected with the explosion-proof engine (6) through a wet clutch (7), a transmission shaft (35) connected through the gearbox (34), a drive axle in driving connection through the transmission shaft (35), a driving wheel in driving connection through the drive axle, a brake cylinder, a brake inner disc, a brake transmission shaft, a tension wheel, a supporting wheel (11), a chain wheel (12) and a crawler (13);
the explosion-proof engine (6) and the seat (9) form a front power part and can be arranged at the rear part of the transport vehicle for driving.
2. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the drive axle is a rear double-drive wet-type drive axle (36) and is arranged at the rear part of the frame, the tension wheel is a front tension wheel (10) arranged at the front part of the crawler-type walking chassis, the rear double-drive wet-type drive axle (36) is in driving connection through a transmission shaft (35), and the rear double-drive wet-type drive axle (36) is in driving connection with a rear drive wheel (14);
the brake cylinder is a rear brake cylinder (37) which is controlled by a pedal (32) and is arranged on a rear double-drive wet-type drive axle (36), and a rear wet-type brake inner disc (38) which is arranged on the rear drive wheel (14) and is controlled and connected by a rear brake transmission shaft (39).
3. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the drive axle is a front double-drive wet-type drive axle (40) and is arranged at the front part of the frame, the tension wheel is a rear tension wheel (16) arranged at the rear part of the crawler-type walking chassis, the front double-drive wet-type drive axle (40) is in driving connection through a transmission shaft (35), and the front double-drive wet-type drive axle (40) is in driving connection with a front driving wheel (15);
the brake cylinder is a front brake cylinder (41) which is controlled by a pedal (32) and is arranged on a front double-drive wet-type drive axle (40), and a front wet-type brake inner disc (43) which is arranged on the front drive wheel (15) is controlled and connected by a front brake transmission shaft (42).
4. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the drive axles are respectively a front double-drive wet-type drive axle (40) and a rear double-drive wet-type drive axle (36) which are arranged at the front part and the rear part of the frame to form a double-four-drive wet-type drive axle (44), the tension wheel is a front tension wheel (10) arranged at the front part of the crawler-type traveling chassis, the front double-drive wet-type drive axle (40) and the rear double-drive wet-type drive axle (36) are respectively in driving connection through a transmission shaft (35), the front double-drive wet-type drive axle (40) is in driving connection with a front drive wheel (15), the rear double-drive wet-type drive axle (36) is in driving connection with a rear drive wheel (14), and the front drive wheel (15) and the rear drive wheel (;
the brake cylinder is through footboard (32) control, installs respectively in leading two wet-type transaxles (40) of driving and the rear-mounted two preceding brake cylinder (41) and the back brake cylinder (37) of driving on the wet-type transaxle (36) of driving, through preceding brake transmission shaft (42) control connection locate preceding wet-type brake inner disc (43) on preceding driving wheel (15), through back brake transmission shaft (39) control connection locate back wet-type brake inner disc (38) on back driving wheel (14).
5. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the rear carriage (18) is connected and driven through a lifting multi-stage oil cylinder (17) and a supporting table (19) on the frame body, and the supporting table (19) is connected with a lower side shaft of a platform plate (27) on the frame.
6. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the front end and the rear end of the frame are respectively fixed with a front traction hook (21) and a rear traction hook (28).
7. The mining all-terrain multifunctional explosion-proof traction transport vehicle as claimed in claim 1,
the front end of the frame is provided with a lamp holder (1) and a miner lamp (2), the right side of the explosion-proof engine (6) is provided with a diesel oil tank (23), a hydraulic oil tank (24) and a valve bank (25), and the left side of the explosion-proof engine (6) is provided with a tool box (29), an explosion-proof battery box (30), a running operation frame (31) and a seat (9); the washing tank (26) is installed at the right rear part of the explosion-proof engine (6) and is connected with an engine smoke jet, the seat (9) is arranged at the rear side of the running operation frame (31), and the rear compartment (18) is installed at the rear side of the seat (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921314887.6U CN210680963U (en) | 2019-08-14 | 2019-08-14 | Mining multifunctional all-terrain explosion-proof traction transport vehicle |
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| CN201921314887.6U CN210680963U (en) | 2019-08-14 | 2019-08-14 | Mining multifunctional all-terrain explosion-proof traction transport vehicle |
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| CN210680963U true CN210680963U (en) | 2020-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406605A (en) * | 2019-08-14 | 2019-11-05 | 江苏天煤机电科技有限公司 | Mining full landform multifunctional anti-explosion draws transport vehicle |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406605A (en) * | 2019-08-14 | 2019-11-05 | 江苏天煤机电科技有限公司 | Mining full landform multifunctional anti-explosion draws transport vehicle |
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