Surface mine extraction equipment and surface mine self-moving reclaimer

Abstract

The utility model provides a kind of open-pit mine self-moving transfer machine, material conveying device is conveyed to the material of mining, material conveying's receiving end is arranged receiving end walking chassis, and unloading end is set unloading end walking chassis, it is simultaneously set to self-walking structure, in the continuous mining process of material, material conveying device can realize walking and follow mining equipment to move, simultaneously, receiving platform is rotatable to the receiving end of material conveying device Support, and unloading platform is rotatable to the unloading end of material conveying device Support, so that receiving end follows the form of mining equipment walking, unloading end can be kept in substantially predetermined position, and the receiving car etc. of rear end is docked, by the arrangement of walking chassis, and receiving end and unloading end are adjusted to conveying direction while realizing walking, adjust the conveying posture of material conveying device, satisfy stability requirement.The utility model further provides a kind of open-pit mining equipment.

Description

Technical Field

[0001] This utility model relates to the field of open-pit mining technology, and more specifically, to an open-pit mining equipment and an open-pit self-moving transfer machine. Background Technology

[0002] Currently, open-pit coal mining still relies heavily on intermittent mining techniques using single-bucket excavators and truck transportation. Before mining, drilling and blasting are required, but the resulting coal particles are too large and must be further crushed by a crusher. This mining method is relatively simple, but it suffers from low production efficiency, poor safety, high dust levels, and is detrimental to the environment. Transportation costs are also very high, especially with rising fuel prices, which significantly increase mining costs for companies.

[0003] Most existing open-pit mines use double-cantilever transfer machines, which suffer from problems such as severe swaying of the long cantilever boom, short transfer distance, and difficulty in connecting the receiving end and unloading end with other equipment. This paper addresses the problems of existing self-propelled transfer machines.

[0004] Therefore, how to achieve long-distance transshipment and transportation, and improve the stable connection between the receiving end and the unloading end, are problems that urgently need to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the present invention provides a self-propelled transfer machine for open-pit mines to achieve long-span transfer and transportation and improve the stable connection between the receiving end and the unloading end; the present application also provides an open-pit mine mining equipment.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An open-pit mine self-propelled transfer machine includes a material conveying device for conveying mined materials;

[0008] The receiving end of the material conveying device is equipped with a self-propelled receiving end chassis, and the receiving end chassis is equipped with a receiving platform that can rotatably support the material conveying device.

[0009] The material conveying device is equipped with a self-propelled unloading end chassis at the unloading end, and an unloading platform that can rotatably support the material conveying device is provided on the unloading end chassis.

[0010] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the receiving end walking chassis is a receiving end tracked chassis that travels by tracks, and the unloading end walking chassis is an unloading end tracked chassis that travels by tracks.

[0011] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, a first slewing bearing is provided between the receiving end traveling chassis and the receiving platform, and the receiving platform is supported on the first slewing bearing;

[0012] A second slewing bearing is provided between the unloading end chassis and the unloading platform, and the unloading platform is supported on the second slewing bearing.

[0013] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the material conveying device includes a belt conveyor truss spanning between the receiving end chassis and the unloading end chassis, and the belt conveyor truss is provided with a transfer belt conveyor for conveying materials.

[0014] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the receiving platform is further provided with a receiving end tower that supports the belt conveyor truss. The belt conveyor truss and the receiving end tower are pivotally connected to adjust the pitch angle of the belt conveyor truss.

[0015] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, multiple inclined steel cables extend from the receiving end tower to perform multi-point hoisting of the belt conveyor truss, and a first traction winch is also included to adjust the extension length of the inclined steel cables at the receiving end.

[0016] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the receiving platform is also equipped with a receiving hopper that receives the material and transports the material to the transfer belt conveyor.

[0017] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the unloading platform is provided with an unloading end tower for hoisting and supporting the belt conveyor truss, and the second slewing bearing is also provided with a lifting frame for adjusting the height of the unloading end tower. The belt conveyor truss is pivotally supported on the lifting end of the lifting frame, and also has a drive device for driving the lifting frame to rise and fall.

[0018] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, multiple inclined steel cables extend from the unloading end tower to pull the belt conveyor truss at multiple points, and a second traction winch adjusts the extension and retraction of the inclined steel cables at the unloading end.

[0019] Preferably, in the above-mentioned open-pit mine self-propelled transfer machine, the lifting frame includes a lifting column outer cylinder and a lifting column arranged on the second slewing bearing. The lifting column and the lifting column outer cylinder are raised and lowered in coordination to adjust the up and down movement of the unloading end tower.

[0020] An open-pit mining equipment includes an open-pit mining machine, wherein the material output end of the open-pit mining machine is equipped with a transfer machine for transferring and conveying the mined material.

[0021] The open-pit mine self-propelled transfer machine provided by this utility model includes a material conveying device for conveying mined materials; the receiving end of the material conveying device is provided with a self-propelled receiving end chassis, and a receiving platform that can rotate and support the material conveying device is provided on the receiving end chassis; the unloading end of the material conveying device is provided with a self-propelled unloading end chassis, and an unloading platform that can rotate and support the material conveying device is provided on the unloading end chassis. The material conveying device transports the mined materials. The receiving end of the material conveying device is equipped with a receiving end traveling chassis, and the unloading end is equipped with an unloading end traveling chassis. Both are self-propelled. During continuous material mining, the material conveying device can move alongside the mining equipment. Simultaneously, the receiving platform provides rotatable support for the receiving end of the material conveying device, and the unloading platform provides rotatable support for the unloading end. This allows the receiving end to follow the mining equipment, while the unloading end remains in a pre-determined position for docking with downstream receiving vehicles. Through the arrangement of the traveling chassis, and by adjusting the conveying direction while moving between the receiving and unloading ends, the conveying posture of the material conveying device can be adjusted to meet stability requirements. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a structural schematic diagram of the open-pit mine self-propelled transfer machine provided in this application;

[0024] Figure 2 A schematic diagram of the first arrangement structure of the open-pit mine self-propelled transfer machine provided in this application;

[0025] Figure 3 This is a schematic diagram of the second arrangement structure of the open-pit mine self-propelled transfer machine provided in this application. Detailed Implementation

[0026] This utility model discloses a self-propelled transfer machine for open-pit mines, which realizes long-span transfer and transportation and improves the stable docking of the receiving end and the unloading end; this application also provides an open-pit mining equipment.

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1 As shown, Figure 1 This is a structural schematic diagram of the open-pit mine self-propelled transfer machine provided in this application.

[0029] This application provides a self-propelled transfer machine for open-pit mines, including a material conveying device for conveying mined materials; the receiving end of the material conveying device is provided with a self-propelled receiving end chassis 1, and a receiving platform 3 that can rotate and support the material conveying device is provided on the receiving end chassis 1; the unloading end of the material conveying device is provided with a self-propelled unloading end chassis 16, and an unloading platform 10 that can rotate and support the material conveying device is provided on the unloading end chassis 16. The material conveying device transports the mined materials. The receiving end of the material conveying device is equipped with a receiving end traveling chassis 1, and the unloading end is equipped with an unloading end traveling chassis 16. Both are designed as self-propelled structures. During continuous material mining, the material conveying device can move and follow the mining equipment. At the same time, the receiving platform 3 provides rotatable support for the receiving end of the material conveying device, and the unloading platform 10 provides rotatable support for the unloading end of the material conveying device. This allows the receiving end to follow the mining equipment, while the unloading end can be kept in a basically predetermined position to dock with the receiving car at the rear. By arranging the traveling chassis and adjusting the conveying direction while moving at the receiving and unloading ends, the conveying posture of the material conveying device can be adjusted to meet stability requirements.

[0030] In a specific embodiment of this case, the receiving end chassis 1 is a tracked chassis that travels on tracks, and the unloading end chassis 16 is a tracked chassis that travels on tracks. Preferably, the chassis are tracked chassis. By setting receiving end tracked chassis and unloading end tracked chassis respectively at the receiving end and unloading end in the material conveying direction, a more stable support and travel capability can be obtained when facing gravel road conditions, improving the stability of the support structure of the material conveying device at both the receiving and unloading ends.

[0031] like Figure 2 and Figure 3 As shown, Figure 2 A schematic diagram of the first arrangement structure of the open-pit mine self-propelled transfer machine provided in this application; Figure 3 This is a schematic diagram of the second arrangement structure of the open-pit mine self-propelled transfer machine provided in this application.

[0032] In one specific embodiment of this case, a first slewing bearing 2 is provided between the receiving end traveling chassis 1 and the receiving platform 4, and the receiving platform 3 is supported on the first slewing bearing 2;

[0033] A second slewing bearing 15 is provided between the unloading end traveling chassis 16 and the unloading platform 10, and the unloading platform 10 is supported on the second slewing bearing 15. In an open-pit mining environment, during the mining process, the open-pit mining machine 18, such as a self-propelled crusher or a wheeled bucket wheel, moves with the open-pit mining interface, conveying the crushed material to the rear belt conveyor 19. A material conveying device is mounted between the open-pit mining machine 18 and the rear belt conveyor 19. The receiving end chassis 1 supports the receiving end of the material conveying device via the receiving platform 3, and the unloading end chassis 16 supports the unloading end of the material conveying device via the unloading platform 10. By setting a first slewing bearing 2, the receiving end chassis 1 and the receiving platform 3 rotate relative to each other to adjust the conveying direction of the material conveying device; by using a second slewing bearing 15, the unloading end chassis 16 and the unloading platform 10 rotate relative to each other to adjust the output direction of the material conveying device. This allows the receiving end chassis 1 and the unloading end chassis 16 to be adjustable in both the horizontal and vertical positions, thereby adjusting the vertical conveying angle and horizontal conveying distance of the material conveying device. Figure 2 In the process, when the lateral distance between the receiving end traveling chassis 1 and the unloading end traveling chassis 16 is at its maximum, the material conveying device conveys materials laterally, and at this time the lateral conveying distance is at its maximum; for example... Figure 3 As shown, when the receiving end traveling chassis 1 and the unloading end traveling chassis 16 are at different vertical heights, the material conveying device rotates vertically via the first slewing bearing 2 and the second slewing bearing 15, compressing the lateral conveying distance and satisfying the requirements for short-distance material conveying. By setting the material conveying device as a large-span conveying structure, and by arranging the receiving end traveling chassis 1 and the unloading end traveling chassis 16 at different positions laterally and vertically, the requirements for large-span material conveying are met.

[0034] In a specific embodiment of this case, the material conveying device includes a belt conveyor truss 5 spanning between the receiving end traveling chassis 1 and the unloading end traveling chassis 16. The belt conveyor truss 5 houses a transfer belt conveyor 8 for conveying materials. The material conveying device is arranged between the self-propelled receiving end traveling chassis 1 and the unloading end traveling chassis 16. To meet the requirements of large-span material conveying, such as ensuring the operation of the mining process, in a transfer environment with a span of over 70 meters, and requiring frequent movement to connect with the crushing station and receiving car to ensure continuous and stable material conveying, the material conveying device needs a stable transmission structure. By adopting the belt conveyor truss 5 structure, the transfer belt conveyor 8 is supported by the belt conveyor truss 5. Through the straight bar structure and triangular support units of the truss, the structural stability is ensured over long periods and in outdoor working environments.

[0035] In one specific embodiment of this case, a receiving end tower 6 is also arranged on the receiving platform 3 to support the conveyor truss 5. The conveyor truss 5 and the receiving end tower 6 are pivotally connected to adjust the pitch angle of the conveyor truss 5.

[0036] Multiple inclined steel cables 7 extend from the receiving end tower 6 to perform multi-point hoisting of the conveyor belt truss 5, and also include a first traction winch for adjusting the extension length of the inclined steel cables 7.

[0037] The conveyor truss 5, connected to the transfer conveyor 8, has relatively stable support at both ends near the receiving end chassis 1 and the unloading end chassis 16 in the conveying direction. The middle of the conveyor truss 5 bears its own weight and the weight of the material being conveyed. To further ensure the load-bearing capacity of the middle of the conveyor truss 5, a receiving end tower 6 is arranged on the receiving platform 3. Multiple receiving end inclined steel cables 7 are arranged to hoist the conveyor truss 5 at multiple points along its length. At the same time, considering that different mining heights are usually encountered in the mining environment, the material conveying device needs to transport materials at different heights. It is necessary to adjust the mounting angle of the conveyor truss 5. The receiving end tower 6 and the conveyor truss 5 are pivotally connected by a structure such as a pin. The receiving end inclined steel cables 7 are further connected to the first traction winch to adjust the extension length of the inclined steel cables. This allows for adjustment of the extension angle of the conveyor truss 5 in the height direction, adapting to the material conveying requirements of different height planes.

[0038] Furthermore, the receiving platform 3 is also equipped with a receiving hopper 4 to receive materials and transport them to the transfer conveyor belt 8. The transfer conveyor belt 5 receives materials transported by the open-pit mining machine 18. By setting up the receiving hopper 4 to receive and transfer the materials, the materials can be continuously collected and evenly spread on the transfer conveyor belt 8, reducing the impact on the transfer conveyor belt 8 during the material transportation process.

[0039] In one specific embodiment of this case, the unloading platform 10 is equipped with an unloading end tower 9 that provides hoisting support for the conveyor truss 5. A lifting frame for adjusting the height of the unloading end tower 9 is also arranged on the second slewing bearing 15. The conveyor truss 5 is pivotally supported on the lifting end of the lifting frame and also has a drive device for raising and lowering the lifting frame. To accommodate the hoisting and pivoting support structure of the receiving end tower 6, the unloading end also needs to accommodate the height adjustment and conveying angle changes of the conveyor truss 5.

[0040] Multiple inclined steel cables 12 extend from the unloading end tower 9 to provide multi-point traction to the conveyor belt truss, and a second traction winch adjusts the extension and retraction of the inclined steel cables 12.

[0041] A discharge end tower 9 is set on the discharge platform 10. Considering the large span structure of the material conveying device, with the receiving end as the base point, the change in the angle of the belt conveyor truss 5 also causes the support height of its discharge end to rise or fall. By setting a discharge end tower 9 on the discharge platform 10, the discharge end tower 9 is connected to the belt conveyor truss 5 through multiple inclined steel cables 12, and the extension length of the inclined steel cables 12 is adjusted by the second traction winch to adapt to the change in angle caused by the lifting of the belt conveyor truss 5.

[0042] A lifting frame is installed on the second slewing bearing 15. The lifting frame adjusts the lifting height of the unloading platform 10. At the same time as lifting, the extension length of the inclined steel cable of the unloading end tower 9 to the belt conveyor truss 5 is adjusted to coordinate with the hoisting length of the inclined steel cable at the receiving end, so that the belt conveyor truss 5 can obtain stable support capacity.

[0043] The lifting frame includes an outer cylinder 14 and a lifting column 11 arranged on the second slewing bearing 15. The lifting column 11 is driven to rise and fall by a hydraulic cylinder, adjusting the up and down movement of the unloading end tower 9. In this embodiment, the top of the lifting column 11 is fixedly connected to the unloading end tower 9, and the belt conveyor truss 5 is hinged to the lifting column 11 by a pin 13, so that the pitch angle of the belt conveyor truss 5 on the unloading end platform 10 is adjustable. This allows the receiving end traveling chassis 1 and the unloading end traveling chassis 16 to be arranged on platforms at different heights, realizing the function of cross-platform transfer and transportation of materials during open-pit mining.

[0044] Based on the open-pit mine self-propelled transfer machine provided in the above embodiments, this utility model also provides an open-pit mine mining equipment, including an open-pit mining machine 18. The material output end of the open-pit mining machine 18 is provided with a transfer machine for transferring and conveying the mined material. The transfer machine used on the open-pit mine mining equipment is the open-pit mine self-propelled transfer machine provided in the above embodiments. The receiving end chassis and the unloading end chassis of the open-pit mine self-propelled transfer machine are located on a walking platform at the same or different heights.

[0045] The open-pit mining machine 18 can be a continuous coal mining machine, a bucket wheel excavator, or a large excavator (electric shovel), etc. The receiving end tracked chassis is used to receive the material unloaded from the open-pit mining machine 18. The receiving end tracked chassis is equipped with a first slewing bearing 2, which enables the upper receiving platform 3 and the belt conveyor truss 5 to rotate, thereby adapting to the inclined arrangement of the whole machine. The receiving end tracked chassis, the unloading end tracked chassis, and the belt conveyor truss 5 rotate at a certain angle to adapt to the needs of the working face advancement.

[0046] The receiving track chassis has a receiving hopper 3 on its upper part, which is connected to the transfer belt conveyor 8 and the belt conveyor truss 5. The top is equipped with a receiving end tower 6, which is connected to the belt conveyor truss 5 through a receiving end inclined steel cable 7. The inclined steel cable 5 can be tensioned and loosened by a winch, distributing the weight of the belt conveyor truss 5 and the transfer belt conveyor 8 to the receiving end tower 6, and then transferring it to the ground through the track, thus ensuring the stability of the large-span truss structure.

[0047] A second slewing bearing 13 is arranged on the upper part of the tracked chassis at the unloading end, enabling the upper unloading end platform 10 and the belt conveyor truss 5 to rotate, thus adapting to the inclined arrangement of the entire machine. Above the second slewing bearing 13 are the outer cylinder 14 of the lifting column and the lifting column 11. The unloading end tower 9 is raised and lowered via hydraulic cylinders, similar to the receiving end tower 6. The tower is connected to the truss structure via the unloading end inclined steel cable 12, achieving the stability of the truss structure. The belt conveyor truss 5 is connected to the lifting column 11 via a pin 13. The belt conveyor truss 5 can rotate via the pin 13 to adjust the height of the unloading hopper 17, adapting to different overlap heights with the movable belt conveyor 19, thus enabling cross-step transfer and transportation at the start of the open-pit mine.

[0048] Since the open-pit mining equipment adopts the open-pit self-moving transfer machine of the above embodiment, please refer to the above embodiment for the beneficial effects brought by the open-pit self-moving transfer machine.

[0049] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A self-propelled transfer machine for open-pit mines, characterized in that, This includes material conveying devices for transporting mined materials; The receiving end of the material conveying device is equipped with a self-propelled receiving end chassis, and the receiving end chassis is equipped with a receiving platform that can rotatably support the material conveying device. The material conveying device is equipped with a self-propelled unloading end chassis at the unloading end, and an unloading platform that can rotatably support the material conveying device is provided on the unloading end chassis.

2. The open-pit mine self-propelled transfer machine according to claim 1, characterized in that, The receiving end chassis is a tracked chassis that travels on tracks, and the unloading end chassis is a tracked chassis that travels on tracks.

3. The open-pit mine self-propelled transfer machine according to any one of claims 1 or 2, characterized in that, A first slewing bearing is provided between the receiving end chassis and the receiving platform, and the receiving platform is supported on the first slewing bearing; A second slewing bearing is provided between the unloading end chassis and the unloading platform, and the unloading platform is supported on the second slewing bearing.

4. The open-pit mine self-propelled transfer machine according to claim 3, characterized in that, The material conveying device includes a belt conveyor truss spanning between the receiving end chassis and the unloading end chassis, and a transfer belt conveyor for conveying materials is provided inside the belt conveyor truss.

5. The open-pit mine self-propelled transfer machine according to claim 4, characterized in that, The receiving platform is also equipped with a receiving end tower that supports the conveyor truss. The conveyor truss and the receiving end tower are pivotally connected to adjust the pitch angle of the conveyor truss.

6. The open-pit mine self-propelled transfer machine according to claim 5, characterized in that, The receiving end tower also extends multiple inclined steel cables for multi-point hoisting of the belt conveyor truss, and includes a first traction winch for adjusting the extension length of the inclined steel cables.

7. The open-pit mine self-propelled transfer machine according to any one of claims 4-6, characterized in that, The receiving platform is also equipped with a receiving hopper that receives the material and transports it to the transfer belt conveyor.

8. The open-pit mine self-propelled transfer machine according to claim 4, characterized in that, The unloading platform is provided with an unloading end tower for hoisting and supporting the conveyor truss. The second slewing bearing is also provided with a lifting frame for adjusting the height of the unloading end tower. The conveyor truss is pivotally supported on the lifting end of the lifting frame and also has a drive device for driving the lifting frame to rise and fall.

9. The open-pit mine self-propelled transfer machine according to claim 8, characterized in that, Multiple inclined steel cables extend from the unloading end tower to provide multi-point traction to the conveyor belt truss, and a second traction winch adjusts the extension and retraction of the unloading end inclined steel cables.

10. The open-pit mine self-propelled transfer machine according to claim 9, characterized in that, The lifting frame includes a lifting column outer cylinder and a lifting column arranged on the second slewing bearing. The lifting column and the lifting column outer cylinder are raised and lowered in coordination to adjust the up and down movement of the unloading end tower.

11. An open-pit mining equipment, characterized in that, The invention includes an open-pit mining machine, wherein the material output end of the open-pit mining machine is equipped with a transfer machine for transferring and conveying the mined material, wherein the transfer machine is an open-pit mine self-moving transfer machine as described in any one of claims 1-10, and the receiving end chassis and the unloading end chassis of the open-pit mine self-moving transfer machine are located on a traveling platform at the same or different heights.

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