CN204643513U - A kind of open cast mine mine truck car load vertical-lifting transport systems - Google Patents

Abstract

The utility model discloses a vertical lifting transportation system for a whole vehicle used in an open-pit mine. The vertical lifting guide system includes a vertical I-shaped steel rail, a horizontal convex-shaped steel and a top plate. On the wall, the vertical I-shaped steel track is connected with the horizontal convex-shaped steel in the vertical direction, and the top plate is set on the top of the vertical I-shaped steel track; the lifting container is slidingly connected with the vertical I-shaped steel track, and the sky wheel is set on the upper surface of the top plate One end of the wire rope is connected to the hoist, and the other end is connected to the lifting container through the sky wheel and the tension balance device successively; the brakes are set on the left and right sides of the parking platform of the lifting container. Enhancing the adaptability of mining vehicles for lifting transportation, greatly reducing the transportation distance and time of mining vehicles, improving transportation efficiency, saving mining vehicle transportation costs, reducing exhaust emissions and improving the safety of lifting transportation sex and reliability.

Description

A vertical lifting transportation system for open-pit mining vehicles

technical field

The utility model relates to a lifting transportation system, in particular to a vertical lifting transportation system for a complete vehicle of an open-pit mining vehicle.

Background technique

Surface mine transportation system is the core part of surface mining. Most of the existing open-pit mines are transported by mine trucks along the winding mountain roads in the mining area. This mode of transport has a wide range of applications, and the vehicles are flexible and easy to transport. High, low transportation efficiency, serious pollution to the environment of the mining area, restricting the development of mining truck transportation in large deep concave open-pit mines. With the increase of the annual mining volume of open-pit mines, it is necessary to improve the transportation efficiency of open-pit mines and adopt economical and efficient open-pit mine transportation methods.

The proposal of the lifting transportation mode of the whole vehicle for open-pit mines solves the problems of high transportation cost, low transportation efficiency and serious environmental pollution of the traditional mining vehicle transportation method. A self-driven vehicle lifting device for open-pit mining vehicles (CN101020554A), the main feature is that only the driving force of the mining vehicle itself is used to lift the heavy-duty vehicle from the stope to the ground along the steep track. It saves the investment in the construction of winch machine room and stope transfer station and the installation of winch equipment, and simplifies the lifting system at the same time.

However, the lifting transportation method proposed by the above-mentioned patent is limited to the mining vehicle only lifting along the steep slope. This method of lifting the whole vehicle on a steep slope has limited increase in slope. As the depth of the stope increases, the applicability of this transportation method becomes more and more The worse it is, the transportation capacity and efficiency will be difficult to greatly improve; the driving power for lifting comes from the mining vehicle itself, which requires higher power performance of the mining vehicle, and in the process of lifting, not only the self-weight of the mining vehicle must be overcome, but also the The resistance of the transmission system and the excessive load of the vehicle will increase the wear and tear of the mining vehicle and reduce the life of the vehicle; the lifting operation is controlled by the driver of the mining vehicle, so there are too many human factors and the reliability is not high.

Contents of the invention

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a vertical lifting transportation system for open-pit mining vehicles, which greatly shortens the transportation distance and time of mining vehicles, improves transportation capacity and efficiency, and increases the lifting capacity of the whole vehicle. Shipping reliability.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a vertical lifting transportation system for open-pit mining vehicles, including a vertical lifting guide system, a lifting container, a brake, a steel wire rope, a sky wheel, a hoist and a tension balance device. The vertical lifting guide system includes a vertical I-shaped steel rail, a horizontal convex-shaped steel and a top plate. The horizontal convex-shaped steel is arranged on the rock walls on both sides in the horizontal direction, and the vertical I-shaped steel track is connected with the horizontal convex-shaped steel in the vertical direction. The top plate is set on the top of the vertical I-shaped steel track; the lifting container is slidingly connected with the vertical I-shaped steel track, the sky wheel is set on the top surface of the top plate, one end of the wire rope is connected with the hoist, and the other end passes through the sky wheel, tension balance device and The lifting container is connected; the brakes are set on the left and right sides of the parking platform of the lifting container.

Further, it also includes a positioning device for mining vehicles. Two wheel grooves and two symmetrical first wheel baffles and two second wheel baffles are arranged on the parking platform of the lifting container. The rod is connected with a hydraulic jack.

Further, it also includes a rigid connection device, which is arranged on the parking platform; the rigid connection device includes a motor, a coupling, a gearbox, a gear shaft and a rack, the motor is connected to the gearbox through a coupling, and the gearbox is connected to the The gear shaft is connected, and the gear shaft meshes with the rack through the gear.

Further, it also includes a monitoring and control system. The monitoring and control system includes an upstroke switch, a downstroke switch, a weight sensor, a displacement sensor, a hydraulic station and a display controller; the upstroke switch and the downstroke switch are respectively arranged on the vertical I-shaped On the top and bottom of the steel track, the weight sensor is set at the fixed connection between the steel wire rope and the lifting container, the displacement sensor is set near the sky wheel, the hydraulic station is set on the parking platform, the up travel switch, the down travel switch, the weight sensor, the displacement sensor, Brake, hydraulic jack, hydraulic station, electric motor, hoist are connected with display controller.

Further, the lifting container is slidably connected to the vertical I-shaped steel track through the rail clamping wheel.

Further, the brake is a hydraulic brake.

Further, there are multiple steel wire ropes.

The beneficial effects of the utility model are: the vertical lifting guide system is composed of a steel structure, which is easy to disassemble, can be reused, and has low construction cost; the parking platform of the lifting container is provided with a mining vehicle positioning device and a rigid joint The positioning device ensures the stability of the mine car during the lifting process, and the rigid connection device ensures the reliability of the mine car when it drives into and out of the lifting container; the monitoring and control system can monitor the overloading of the lifting container, the breakage of the wire rope, and the deviation of the sky wheel etc. and control the stop, start and brake of the lifting container, which improves the safety and reliability of the lifting transportation system; enhances the adaptability of the mining vehicle lifting transportation mode, and greatly reduces the transportation distance and transportation distance of mining vehicles. time, which greatly improves the transportation efficiency, saves the transportation cost of mine trucks, and reduces exhaust gas emissions.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the side view of the parking platform of lifting container;

Fig. 4 is the top view of the parking platform of lifting container;

Fig. 5 is a partially enlarged schematic diagram of part A of Fig. 1;

Fig. 6 is a schematic diagram of the contact relationship between the brake and the vertical I-shaped steel track;

Fig. 7 is a schematic diagram of the contact relationship between the lifting container rail wheel and the vertical I-shaped steel track;

Fig. 8 is a schematic diagram of the fixed relationship between the steel structure of the vertical lifting guide system and the rock wall of the mining area.

In the figure: 1. Lifting container, 2. Mining vehicle, 3. Horizontal convex steel, 4. Vertical I-shaped steel track, 5. Steel wire rope, 6. Sky wheel, 7. Tension balance device, 8. Hoist, 9. Display controller, 10. Lifting machine room, 11. First wheel baffle, 12. Parking platform, 13. Down travel switch, 14. Brake, 15. Rail wheel, 16. Top plate, 17. Up travel switch, 18, weight sensor, 19, hydraulic oil pipeline, 20, gear shaft, 21, gearbox, 22, rack, 23, second wheel baffle, 24, pin shaft, 25, connecting rod, 26, roller, 27, Guide track, 28, hydraulic jack, 29, gear, 30, coupling, 31, electric motor, 32, hydraulic station, 33, brake friction plate, 34, brake piston, 35, bolt, 36, groove, 37 , displacement sensor, 38, rock wall.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Fig. 1 and Fig. 2, the vertical lifting transportation system of the whole vehicle for open-pit mining vehicles includes a vertical lifting guide system, a lifting container 1, a brake 14, a steel wire rope 5, a sky wheel 6, a hoist 8 and a tension balance Device 7, multiple steel wire ropes 5, hoist 8 is arranged in the hoisting machine room 10 on the ground surface, the vertical hoisting guide system includes vertical I-shaped steel track 4, horizontal convex-shaped steel 3 and top plate 16, horizontal convex-shaped steel 3 is horizontal Direction setting, as shown in Figure 8, is fixed on both sides rock wall 38 by bolt 35, and vertical I-shaped steel track 4 vertical direction is connected with horizontal convex-shaped steel 3, and top plate 16 is arranged on vertical I-shaped steel track 4 The top of the top, the vertical I-shaped steel track 4, the horizontal convex-shaped steel 3 and the top plate 16 form the frame of the steel structure, which is used to lift the lifting guide and fixed support of the container 1; as shown in Figure 7, the lifting container 1 passes through the rail wheel 15 realizes the rolling connection with the vertical I-shaped steel track 4, the sky wheel 6 is arranged on the upper surface of the top plate 16, one end of the steel wire rope 5 is connected to the hoist 8, and the other end is connected to the lifting container 1 successively through the sky wheel 6 and the tension balance device 7 brake 14 is arranged on the left and right sides of the parking platform 12 of lifting container 1, as shown in Figure 6, the braking of lifting container 1 is by the friction between the brake friction plate 33 on the brake 14 and the vertical I-shaped steel track 4 To realize, the brake 14 is a hydraulic brake. The mining vehicle 2 drives into the lifting container 1, and the staff can realize the work that the lifting container 1 drives the mining vehicle 2 to lift vertically to realize loading and unloading by controlling the hoist 8 and the brake 14.

In order to improve the stability in the lifting process of the utility model, a mining vehicle positioning device is added, as shown in Figure 3, two wheel grooves 36 and two symmetrical first wheels are arranged on the parking platform 12 of the lifting container 1 Baffle plate 11 and two second wheel baffle plates 23, each baffle plate is connected with hydraulic jack 28 through connecting rod 25, and the round hole of one end of connecting rod 25 is connected with baffle plate through pin 24, and the other end roller 26 is connected with hydraulic jack 28 plunger head connection, through the stretching action of the hydraulic jack 28 plunger, one end of the connecting rod 25 roller 26 is driven to move along the guide track 27, and the other end of the connecting rod 25 is urged to push the baffle to rotate to a vertical position along the fixed shaft to realize the baffle. Plate positioning function, the mining vehicle 2 runs along the groove 36, the front wheel of the vehicle touches the second wheel baffle 23 and then stops, and then the first wheel baffle 11 is erected to position the mining vehicle 2 in a reasonable area .

The production environment of the open-pit mine is harsh and has high safety requirements. In order to further ensure the safety performance of the utility model, a rigid connection device is added. As shown in Figure 4 and Figure 5, the rigid connection device is arranged on the parking platform 12; the rigid connection device includes a motor 31. Coupling 30, gearbox 21, gear shaft 20 and rack 22, motor 31 is connected with gearbox 21 through coupling 30, gearbox 21 is connected with gear shaft 20, gear shaft 20 is connected with rack through gear 29 22 meshing; the motor 31 works, and the torque is transmitted to the gear shaft 20 through the coupling 30 and the gearbox 21. The gears 29 at both ends of the gear shaft 20 drive the rack 22 meshed with it, and the rack 22 moves until it is in line with the horizontal convex character. The steel 3 is in contact with a certain surface to realize the rigid connection between the lifting container and the steel structure when the mining vehicle 2 enters and exits the lifting container 1 .

In order to improve the degree of automation of the utility model, reduce the dependence of the utility model on people, and further improve the safety performance of the utility model, a monitoring and control system is added. The monitoring and control system includes an upstroke switch 17 and a downstroke switch 13 , weight sensor 18, displacement sensor 37, hydraulic station 32 and display controller 9; The top and the bottom of the font-shaped steel track 4 are used to limit the upper and lower limit positions of the lifting container 1 respectively; the weight sensor 18 is arranged at the fixed connection between the steel wire rope 5 and the lifting container 1 to monitor whether the lifting container 1 is overloaded and whether the steel wire rope 5 is fracture; the displacement sensor 37 is arranged near the sky wheel 6, in order to monitor whether the sky wheel 6 seriously deviates; the brake 14, the hydraulic jack 28, the hydraulic station 32, the connecting device motor 31 are arranged on the parking platform 12 of the lifting container 1, and use To realize the rigid connection between the braking and rigid connection device of the lifting container 1 and the horizontal convex steel 3; the upper stroke switch 17, the lower stroke switch 13, the weight sensor 18, the displacement sensor 37, the brake 14, the hydraulic jack 28, and the hydraulic station 32 , the motor 31, the hoist 8 are connected with the display controller 9, and the display controller 9 is arranged in the hoist room 10, which is convenient for the operator to know the operating status of each component, so as to take corresponding control measures in time to ensure the safety and stability of the utility model job runs.

The working process of the utility model: before the heavy-duty mining vehicle 2 driving from the mining face to the designated area drives into the lifting container 1, the lowermost end of the lifting container 1 is at the position of the down travel switch 13, and the four racks of the rigid joint device 22 is in rigid contact with the horizontal convex-shaped steel 3 of the steel structure, and the four hydraulic brakes 14 and the vertical I-shaped steel rail 4 are in a braking lock state, and the second wheel baffle 23 is under the action of the hydraulic jack 28 and the connecting rod 25 In the vertical state, the heavy-duty mining vehicle 2 drives into the lifting container 1 along the groove 36 until the front wheel touches the second wheel baffle 23, the heavy-duty mining vehicle 2 stops, and then the first wheel baffle 11 is lifted from the horizontal The position is rotated to the vertical position, and the rear wheel of the mining car is blocked, so as to realize the positioning effect of the second wheel baffle 23 and the first wheel baffle 11 on the heavy-duty mining vehicle 2; after the heavy-duty mining vehicle 2 is positioned, control The motor 31 of the rigid connection device works, so that the rack 22 retracts to the inside of the parking platform 12, the brake piston 34 of the hydraulic brake 14 retracts, and the hoist 8 is operated to work. The straight I-shaped steel track 4 moves upward, and the lifting container 1 rises at a certain speed. When the uppermost end of the lifting container 1 is lifted to the position of the upper travel switch 17, the hoist 8 stops working, and the braking device of the hoist 8 is in the braking position at this time. state, the brake 14 brakes, locks with the vertical I-shaped steel rail 4, the lifting container 1 stops lifting, and the motor 31 of the rigid connection device works, so that the rack 22 extends out of the horizontal convex steel 3 of the steel structure. Rigid contact, and then control the second wheel baffle 23 to make it rotate from the vertical position to the horizontal position under the action of the hydraulic jack 28. At this time, the heavy-duty mining vehicle 2 drives out of the lifting container 1 to unload the ore; Car 2 is driven by hoister 8 to descend the mining face according to the same control principle, and now the unloaded mining car 2 can drive out of lifting container 1 and go to the mining face to load ore, so that a lifting work cycle has been completed.

Claims (7)

1. A vertical lifting transportation system for open-pit mining vehicles, including a vertical lifting guide system, a lifting container (1), a brake (14), a steel wire rope (5), a sky wheel (6), a hoist (8 ) and tension balancing device (7), It is characterized in that the vertical lifting guide system includes a vertical I-shaped steel rail (4), a horizontal convex-shaped steel (3) and a top plate (16), and the horizontal convex-shaped steel (3) is horizontally arranged on both sides of the rock wall (38 ), the vertical I-shaped steel track (4) is connected to the horizontal convex-shaped steel (3) in the vertical direction, and the top plate (16) is arranged on the top of the vertical I-shaped steel track (4); The lifting container (1) is slidingly connected with the vertical I-shaped steel track (4), the sky wheel (6) is set on the upper surface of the top plate (16), one end of the steel wire rope (5) is connected with the hoist (8), and the other end passes through the sky wheel successively. The wheels (6), the tension balance device (7) are connected to the lifting container (1); the brakes (14) are arranged on the left and right sides of the parking platform (12) of the lifting container (1). 2. The vertical lifting transportation system of a whole vehicle for open-pit mining vehicles according to claim 1, characterized in that it also includes a positioning device for mining vehicles, which is set on the parking platform (12) of the lifting container (1) There are two wheel grooves (36) and two symmetrical first wheel baffles (11) and two second wheel baffles (23), each baffle connects the hydraulic jack (28) through the connecting rod (25) connect. 3. The vertical lifting transportation system of a whole vehicle for open-pit mining vehicles according to claim 2, characterized in that it also includes a rigid connection device, and the rigid connection device is arranged on the parking platform (12); the rigid connection device includes Motor (31), shaft coupling (30), gearbox (21), pinion shaft (20) and rack (22), motor (31) is connected with gearbox (21) through shaft coupling (30), and the speed change The case (21) is connected with the gear shaft (20), and the gear shaft (20) meshes with the rack (22) through the gear (29). 4. The vertical lifting transportation system of a whole vehicle for open-pit mining vehicles according to claim 3, characterized in that, it also includes a monitoring and control system, and the monitoring and control system includes an upstroke switch (17), a downstroke switch (13), weight sensor (18), displacement sensor (37), hydraulic station (32) and display controller (9); upstroke switch (17), downstroke switch (13) are respectively arranged on the vertical I-shaped steel The top and bottom of the track (4), the weight sensor (18) is set at the fixed connection between the wire rope (5) and the lifting container (1), the displacement sensor (37) is set near the sky wheel (6), and the hydraulic station (32) Set on the parking platform (12), upstroke switch (17), downstroke switch (13), weight sensor (18), displacement sensor (37), brake (14), hydraulic jack (28), hydraulic station (32 ), motor (31), hoist (8) are connected with display controller (9). 5. The vertical lifting and transportation system of a whole vehicle for open-pit mining vehicles according to claim 1, characterized in that, the lifting container (1) is connected to the vertical I-shaped steel by rail clamping wheels (15). Rolling connection of track (4). 6. The vertical lifting and transportation system of a vehicle for open-pit mining vehicles according to claim 1, characterized in that the brake (14) is a hydraulic brake. 7. The vertical lifting and conveying system of a vehicle for open-pit mining vehicles according to claim 1, characterized in that there are multiple steel wire ropes (5).