Feeding and crushing device for fully-mechanized mining of strip mine

Abstract

The utility model discloses a strip mine fully-mechanized mining feeding crushing device which comprises a main supporting column, a rotating base is arranged on the top of the main supporting column, a universal rotating device is installed on the rotating base, a rotating arm is arranged on the universal rotating device, a conveying belt is arranged on the rotating arm and driven by a rotating motor and a driving wheel to rotate, and the driving wheel drives a driven wheel through a chain. The driven wheel drives the fully-mechanized mining wheel to rotate, a mining hopper, a first connecting pin and a slide carriage are arranged on the fully-mechanized mining wheel, an adjusting column is arranged at the bottom of the driven wheel, and a damping spring and a rotating wheel are arranged on the adjusting column. A crushing bin is arranged on the other side of the driving wheel on the top of the main supporting column, a roller is arranged in a cavity of the crushing bin and driven by a crushing motor outside a bin body, a receiving bin is arranged at the bottom of the crushing bin, wheels are arranged at the bottom of the receiving bin, and a first connecting pin is arranged at the bottom of one side of the front end of the receiving bin. The utility model solves the problems of large-scale loading equipment in an open stope, such as high energy consumption, high personnel investment, time and labor consumption, incapability of continuous operation for a long time, secondary crushing and the like.

Description

Technical Field

[0001] The utility model relates to an open-pit mine fully-mechanized mining feeding and crushing device, in particular to an open-pit mine fully-mechanized mining feeding and crushing device with a compact structure and capable of taking into account continuous operations of transmission and crushing. Background Art

[0002] Open-pit mining, also known as surface mining, is the process of removing overburden from an ore body to obtain the desired minerals. It involves extracting useful minerals from an open-surface mining area. Open-pit mining operations primarily include drilling, blasting, mining and loading, transportation, and dumping. Based on the continuity of the operation, it can be categorized as discontinuous, continuous, or semi-continuous. Compared to underground mining, open-pit mining offers advantages such as full resource utilization, high recovery rates, and low dilution rates. It is suitable for large-scale machinery, rapid mine construction, high output, high labor productivity, low costs, good working conditions, and safe production. Mining and loading involves manually or mechanically loading ore and rock into transport equipment or directly unloading them to designated locations. Commonly used equipment includes excavators (with multiple buckets and single buckets), wheel bucket shovels, and front-end loaders, with single-bucket excavators being the most widely used. Ore and rock from the open-pit mine are transported to unloading points (or concentrators) and dumps. Due to the large transport volumes and dust generated during transportation, open-pit mining is subject to various limitations. Utility Model Content

[0003] The utility model aims to provide an open-pit mine fully-mechanized mining feeding and crushing device, which has the characteristics of compact structure and can take into account the continuous operation of transmission and crushing.

[0004] In order to meet the above-mentioned objectives, the technical solution adopted by the present invention is: a fully-mechanized mining feeding and crushing device for open-pit mines, the innovation of which is that the fully-mechanized mining feeding and crushing device for open-pit mines comprises a main support and an adjustment column arranged vertically on the ground or a working platform, a rotating base fixedly arranged above the main support, a universal rotating device arranged on the rotating base, and a rotating arm arranged between the rotating base and the adjustment column;

[0005] A chain transmission device is provided on the rotating arm, a driving wheel of the chain transmission device is provided on one end of the rotating arm connected to the main pillar, a driven wheel of the chain transmission device is provided on one end of the rotating arm connected to the adjusting column, a chain connecting the driving wheel and the driven wheel is connected to the conveyor belt and moves synchronously, a fully-mechanized mining wheel is provided with a central axis coinciding with the central axis of the driven wheel, a plurality of mining buckets are provided on the fully-mechanized mining wheel, the hoppers are provided on the circumferential surface of the fully-mechanized mining wheel, and a receiving cavity for placing materials is provided on the hopper;

[0006] The rotating base is provided with a crushing device connected with the conveyor belt. The crushing device includes a crushing bin arranged on one side of the rotating base and a roller arranged in the crushing bin and driven by a crushing motor. The material passing through the conveyor belt enters the crushing bin.

[0007] Preferably, a main pillar height adjustment device is provided between the main pillar and the ground or the working platform, and the main pillar height adjustment device includes an adjustment shaft vertically arranged and embedded under the main pillar, a limit pin arranged on the main pillar and inserted into the adjustment shaft, and a plurality of pin holes for the limit pin to be embedded are provided on the adjustment shaft along the length direction of the adjustment shaft.

[0008] Preferably, the main support height adjustment device has a relative adjustable range of 500-1500 mm.

[0009] Preferably, an adjusting column shock-absorbing device is provided between the adjusting column and the ground or the working platform, the adjusting column shock-absorbing device includes a rotating wheel arranged on the ground or the working platform, a vertical rod connected to the rotating wheel, and a shock-absorbing spring sleeved on the vertical rod. A shock-absorbing hole for the vertical rod to be embedded is provided on the adjusting column, and the shock-absorbing spring is provided in the shock-absorbing hole. In the initial state, a gap is provided between the top of the vertical rod and the shock-absorbing hole in the vertical direction.

[0010] Preferably, the driving wheel in the chain transmission device is connected to the rotating motor, and the transmission ratio between the rotating motor and the driving wheel is 10:1; the transmission ratio between the driven wheel and the fully mechanized mining wheel is 2:1.

[0011] Preferably, the comprehensive mining wheel is provided with a slide located above the conveyor belt, the slide connects the hopper and the conveyor belt, and the material in the hopper is transferred to the conveyor belt via the slide.

[0012] Preferably, the fully mechanized mining wheel and the hopper are an integrated structure or a separate structure;

[0013] When the fully-mechanized mining wheel and the hopper are of separate structures, a plurality of first connecting pins for fastening the hopper to the fully-mechanized mining wheel are provided on the cross section of the fully-mechanized mining wheel.

[0014] Preferably, two rollers driven by a crushing motor are arranged in the crushing bin, and the rotation directions of the two rollers are opposite.

[0015] Preferably, a receiving bin connected to the breaking bin is provided below the breaking bin; wheels are provided between the receiving bin and the ground or the working platform; a second connecting pin for connecting to an external component is provided on the side of the receiving bin away from the main pillar.

[0016] Preferably, the left-right rotation range of the rotating arm relative to the universal rotating device is 20°-240°, and the up-down rotation range of the rotating arm relative to the universal rotating device is 30°-80°.

[0017] The advantages of the present invention are that: by adopting the above structure, multiple buckets are rotated and cyclically loaded through continuous mining, continuous loading and continuous crushing, thereby achieving the purpose of continuous operation and rapid loading, and continuous operation of mining, transportation and crushing; the present invention is provided with a universal rotating device on a rotating base, and a rotating arm is provided on the universal rotating device, and the left and right rotating range of the rotating arm is 20°-240°, and the up and down rotating range is 30°-80°, thereby achieving mining without dead angles and improving labor efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 The utility model is a structural schematic diagram of a hopper and a fully-mechanized mining wheel in an open-pit mine fully-mechanized mining feeding and crushing device.

[0020] Figure 2 The utility model is a structural schematic diagram of a hopper and a fully-mechanized mining wheel separated in a fully-mechanized mining feeding and crushing device for an open-pit mine.

[0021] Figure 3 The utility model is a top view of a fully mechanized mining feeding and crushing device for open-pit mines.

[0022] In the figure: 1-main pillar, 2-adjusting shaft, 3-limiting pin, 4-rotating base, 5-universal rotating device, 6-rotating arm, 7-conveyor belt, 8-rotating motor, 9-driving wheel, 10-chain, 11-driven wheel, 12-fully-mechanized mining wheel, 13-mining bucket, 14-first connecting pin, 15-slide, 16-adjusting column, 17-shock-absorbing spring, 18-rotating wheel, 19-crushing bin, 20-roller, 21-roller crushing motor, 22-receiving bin, 23-wheel, 24-second connecting pin. DETAILED DESCRIPTION

[0023] The utility model relates to a fully-mechanized mining, feeding and crushing device for an open-pit mine, comprising a main support 1 and an adjustment column 16 which are arranged vertically on the ground or on a work platform, a rotating base 4 which is fixedly arranged above the main support 1, a universal rotating device 5 which is arranged on the rotating base 4, and a rotating arm 6 which is arranged between the rotating base 4 and the adjustment column 16. A chain transmission device is provided on the rotating arm 6, wherein a driving wheel 9 of the chain transmission device is provided on one end of the rotating arm 6 connected to the main support 1, a driven wheel 11 of the chain transmission device is provided on one end of the rotating arm 6 connected to the adjustment column 16, a chain 10 connecting the driving wheel 9 and the driven wheel 11 is connected to a conveyor belt 7 and moves synchronously, a fully-mechanized mining wheel 12 is provided on the driven wheel 11, a central axis of the fully-mechanized mining wheel 12 coinciding with the central axis of the driven wheel 11, and a plurality of mining buckets 13 are provided on the fully-mechanized mining wheel 12, the hoppers being arranged on the circumferential surface of the fully-mechanized mining wheel 12, and a receiving cavity for placing materials.

[0024] The rotating base 4 is provided with a crushing device connected to the conveyor belt 7. The crushing device includes a crushing bin provided on one side of the rotating base 4 and a roller 20 provided in the crushing bin and driven by a crushing motor. The material passes through the conveyor belt 7 and enters the crushing bin. By adopting the above structure, continuous mining, continuous loading, and continuous crushing are achieved, and multiple buckets are rotated and loaded in a cycle, achieving the purpose of continuous operation and rapid loading, and continuous mining, transportation, and crushing. The utility model has a universal rotating device 5 installed on the rotating base 4, and a rotating arm 6 is provided on the universal rotating device 5. The rotating arm 6 has a left-right rotation range of 20°-240° and a vertical rotation range of 30°-80°, achieving mining without blind spots and improving labor efficiency.

[0025] To achieve height adjustment, a main support height adjustment device is installed between the main support 1 and the ground or work platform. The device includes an adjustment shaft 2, which is vertically arranged and embedded below the main support 1, and a stop pin 3, which is provided on the main support 1 and inserted into the adjustment shaft 2. The adjustment shaft 2 is provided with a plurality of pin holes along its length for the stop pin 3 to be inserted. The main support height adjustment device has a relative adjustable range of 500-1500mm.

[0026] In order to achieve shock absorption, an adjusting column shock absorbing device is provided between the adjusting column 16 and the ground or the working platform. The adjusting column shock absorbing device includes a rotating wheel 18 arranged on the ground or the working platform, a vertical rod connected to the rotating wheel 18, and a shock absorbing spring 17 sleeved on the vertical rod. A shock absorbing hole is provided on the adjusting column 16 for the vertical rod to be embedded, and the shock absorbing spring 17 is provided in the shock absorbing hole. In the initial state, there is a gap in the vertical direction between the top of the vertical rod and the shock absorbing hole.

[0027] The driving wheel 9 in the chain transmission device of the present invention is connected to the rotating motor 8, and the transmission ratio between the rotating motor 8 and the driving wheel 9 is 10:1; the transmission ratio between the driven wheel 11 and the fully mechanized mining wheel 12 is 2:1.

[0028] To ensure a smooth transfer of material from the hopper to the conveyor belt 7, the fully-mechanized mining wheel 12 is provided with a slide 15 located above the conveyor belt 7. The slide 15 connects the hopper and the conveyor belt 7, and the material in the hopper is transferred to the conveyor belt 7 via the slide 15. The fully-mechanized mining wheel 12 and the hopper can be an integrated structure or a separate structure. When the fully-mechanized mining wheel 12 and the hopper are a separate structure, the cross-section of the fully-mechanized mining wheel 12 is provided with a plurality of first connecting pins 14 for fastening the hopper to the fully-mechanized mining wheel 12.

[0029] To achieve better crushing results, two rollers 20 driven by a crushing motor are installed inside the crushing bin, rotating in opposite directions. To facilitate direct transfer of crushed material, a receiving bin 22 is located below the crushing bin 19 and connected to the crushing bin 19. Wheels 23 are installed between the receiving bin 22 and the ground or work platform. A second connecting pin 24 is installed on the side of the receiving bin 22 away from the main support 1 for connecting to external components.

[0030] The left-right rotation range of the rotating arm 6 relative to the universal rotating device 5 of the present invention is 20-240°, and the up-down rotation range of the rotating arm 6 relative to the universal rotating device 5 is 30°-80°.

[0031] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather with reference to the appended claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to be a disclaimer of such subject matter, nor should it be considered that the inventors did not consider such subject matter to be part of the disclosed utility model subject matter.

Claims

1. A fully-mechanized mining feeding and crushing device for open-pit mines, characterized by: The open-pit mine fully-mechanized mining feeding and crushing device includes a main pillar and an adjusting pillar arranged vertically on the ground or a working platform, a rotating base fixedly arranged above the main pillar, a universal rotating device arranged on the rotating base, and a rotating arm arranged between the rotating base and the adjusting pillar. A chain transmission device is provided on the rotating arm, a driving wheel of the chain transmission device is provided on one end of the rotating arm connected to the main pillar, a driven wheel of the chain transmission device is provided on one end of the rotating arm connected to the adjusting column, a chain connecting the driving wheel and the driven wheel is connected to the conveyor belt and moves synchronously, a fully-mechanized mining wheel is provided with a central axis coinciding with the central axis of the driven wheel, a plurality of hoppers are provided on the circumferential surface of the fully-mechanized mining wheel, and a receiving cavity for placing materials is provided on the hopper; The rotating base is provided with a crushing device connected with the conveyor belt. The crushing device includes a crushing bin arranged on one side of the rotating base and a roller arranged in the crushing bin and driven by a crushing motor. The material passing through the conveyor belt enters the crushing bin.

2. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: A main pillar height adjustment device is provided between the main pillar and the ground or the working platform. The main pillar height adjustment device includes an adjustment shaft vertically arranged and embedded under the main pillar, a limit pin arranged on the main pillar and inserted into the adjustment shaft, and a plurality of pin holes for the limit pin to be embedded are provided on the adjustment shaft along the length direction of the adjustment shaft.

3. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 2, characterized in that: The main support height adjustment device has a relative adjustable range of 500-1500mm.

4. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: An adjusting column shock-absorbing device is provided between the adjusting column and the ground or the working platform. The adjusting column shock-absorbing device includes a rotating wheel provided on the ground or the working platform, a vertical rod connected to the rotating wheel, and a shock-absorbing spring sleeved on the vertical rod. A shock-absorbing hole for the vertical rod to be embedded is provided on the adjusting column. The shock-absorbing spring is provided in the shock-absorbing hole. In the initial state, a gap is provided between the top of the vertical rod and the shock-absorbing hole in the vertical direction.

5. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: The driving wheel in the chain transmission device is connected to the rotating motor, and the transmission ratio between the rotating motor and the driving wheel is 10:1; the transmission ratio between the driven wheel and the fully mechanized mining wheel is 2:

1.

6. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: The comprehensive mining wheel is provided with a slide located above the conveyor belt, the slide connects the hopper and the conveyor belt, and the material in the hopper is transferred to the conveyor belt via the slide.

7. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: The fully mechanized mining wheel and the hopper are an integrated structure or a separate structure; When the fully-mechanized mining wheel and the hopper are of separate structures, a plurality of first connecting pins for fastening the hopper to the fully-mechanized mining wheel are provided on the cross section of the fully-mechanized mining wheel.

8. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: Two rollers driven by a crushing motor are arranged in the crushing bin, and the rotation directions of the two rollers are opposite.

9. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: A receiving bin connected to the breaking bin is provided below the breaking bin; wheels are provided between the receiving bin and the ground or the working platform; a second connecting pin for connecting to an external component is provided on the side of the receiving bin away from the main pillar.

10. The open-pit mine fully-mechanized mining feeding and crushing device according to claim 1, characterized in that: The left-right rotation range of the rotating arm relative to the universal rotating device is 20°-240°, and the up-down rotation range of the rotating arm relative to the universal rotating device is 30°-80°.

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