CN115898398B - Medium-length hole mining device and technology for irregular thick and large ore body - Google Patents
Medium-length hole mining device and technology for irregular thick and large ore body Download PDFInfo
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- CN115898398B CN115898398B CN202211438087.1A CN202211438087A CN115898398B CN 115898398 B CN115898398 B CN 115898398B CN 202211438087 A CN202211438087 A CN 202211438087A CN 115898398 B CN115898398 B CN 115898398B
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Abstract
The application discloses a medium-length hole mining device for an irregularly thick and large ore body, which comprises a walking rotary support, a mining arm and a cutting end, wherein the mining arm and the cutting end are arranged on the walking rotary support, the mining arm can rotate by taking the walking rotary support as a center and drive the cutting end to perform mining operation on the ore body, and the medium-length hole mining device further comprises: the counterweight mechanism comprises a first counterweight sliding plate, one end of the traveling rotating support opposite to the mining arm is provided with a sliding mechanism, the first counterweight sliding plate slides on the traveling rotating support to balance the moment generated by movement deviation of the cutting end, the counterweight mechanism is driven to slide on one side of the traveling rotating support far away from the mining arm through rotation of the mining arm when the mining arm stretches, the moment generated by movement deviation of the cutting end is balanced through sliding of the first counterweight sliding plate on the traveling rotating support, stability of the traveling rotating support is improved, and risk of rollover of the traveling rotating support when a mineral body is mined is reduced.
Description
Technical Field
The application relates to the technical field of ore body exploitation, in particular to a medium-length hole exploitation device and a medium-length hole exploitation process for irregular thick and large ore bodies.
Background
As is known, a pillar-less sublevel caving method is to divide a phase re-use sublevel roadway into segments; dividing the section into sections, wherein each section is internally provided with a stoping roadway; the strip does not have a special ore drawing bottom structure, but ore falling and transportation are directly carried out in the stoping roadway. The sections are extracted according to a certain sequence, and the sections are extracted from top to bottom. The sublevel caving method without bottom pillars makes one of the applicable conditions be regular extremely-inclined thick ore bodies or gently-inclined extremely-thick ore bodies, and for the irregular thick ore bodies, the inclination angle of the end part of the ore bodies which are defined by secondary circles in actual production is greatly changed, the inclination angle of the individual sublevel ore bodies is about 30 degrees, and the sublevel thick ore bodies are shown in fig. 1, and for the sublevel thick ore bodies which still have large inclination angles after the secondary circles, the mining machine needs to be inclined by a certain angle to adapt to the inclined ore bodies when mining operation is carried out.
The application discloses a coal mining device, which belongs to the technical field of coal mining, and is provided with the application patent with publication number of CN113250689A and publication date of 2021, month and 13 and named as a coal mining device. The coal mining device can comprise a walking part, a bracket part, a cutting part, an anchor rod/anchor cable drilling machine part, a roof cutting drilling machine part and a collecting part. The bracket part can comprise a base, a lifting mechanism, a bracket and a front beam. The base can be fixed on the walking part, and the lifting mechanism can be fixed on the base and supports the bracket above the walking part. The front beam can be fixed on the support, the cutting part can be arranged on the base, and the cutting part can extend out to the front of the walking part to cut the ore bed. The anchor rod/anchor cable drilling machine part can be arranged on the base and can extend out to the front of the bracket, the roof cutting drilling machine part can be arranged on one side of the bracket part, and the roof cutting drilling machine part can be used for directionally cutting a seam in a goaf. The collection part can be connected to the base, and can convey ore bodies in front of the walking part to the rear of the walking part. The coal mining device achieves the purpose of anchor mining and cutting integration, so that the working efficiency of coal mining can be greatly improved, and labor and cost can be reduced.
In the prior art, due to the fact that a certain inclination angle exists in the ore body, when an existing mining machine is used for mining, certain inclination is needed or a certain extension operation is needed to be performed on the mining arm and the cutting end, but due to the fact that the mining arm and the cutting end are extended too long, the phenomenon that the walking rotary support is unstable exists, when the ore body such as an irregularly thick large ore body is mined, the probability of side turning of the walking rotary support is far beyond conventional mining, and the risk of mining the ore body is increased.
Disclosure of Invention
The application aims to provide a medium-length hole mining device and a medium-length hole mining process for irregular thick and large ore bodies, so as to solve the problems in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the utility model provides an irregularly thick ore body adopts medium-length hole mining device, includes walking swivel mount and installs mining arm and cutting end on the walking swivel mount, the mining arm can use the walking swivel mount to rotate and drive the cutting end is right the ore body carries out mining operation, still includes:
the counterweight mechanism comprises a first counterweight sliding plate, a sliding mechanism is arranged at one end, opposite to the mining arm, of the walking rotary support, and the first counterweight sliding plate slides on the walking rotary support to balance moment generated by movement deviation of the cutting end.
Above-mentioned, slide mechanism is including advancing the rack, the three first spouts have evenly been seted up with the opposite other end of exploitation arm on the rotatory support of walking, and is three respectively install a counter weight slide through sliding fit's mode in the first spout, be provided with on the outer wall that the first counter weight slide that is located in the middle of the walking rotatory support is close to exploitation arm one side, evenly be provided with the latch on the rotatory end outer wall that the exploitation arm uses the rotatory support of walking as the center, and latch and propulsion rack intermeshing use.
Above-mentioned, slide mechanism still includes the second counter weight slide, walk on the rotatory support with the mining arm relative one end and lie in three contained angle position between the first spout has seted up two second spouts, two install the second counter weight slide through sliding fit's mode in the second spout.
The sliding mechanism further comprises connecting rods, flat grooves are formed in the side walls of two opposite sides of the second counterweight sliding plates and the three opposite sides of the first counterweight sliding plates, a rotating shaft is arranged in each flat groove, each group of two adjacent second counterweight sliding plates and the rotating shaft on the first counterweight sliding plate are connected in a rotating fit mode through the connecting rods, namely one connecting rod is connected between any two adjacent rotating shafts, and the length of each connecting rod is identical to that between the adjacent first sliding groove and the far end of each second sliding groove.
The three first counterweight sliding plates are respectively provided with the first counterweight boxes, and a plurality of first counterweight blocks are uniformly arranged in the first counterweight boxes.
The two second counterweight sliding plates are respectively provided with a second counterweight box, and a plurality of second counterweight blocks are uniformly arranged in the second counterweight boxes.
Above-mentioned, slide mechanism still includes the slide rail, walking swivel mount middle part is provided with the slide rail, and advances the rack and install in the slide rail with sliding fit's mode.
The distance between the second sliding groove and the mining arm is longer than that between the first sliding groove and the mining arm.
Above-mentioned, the part between the first spout of walking swivel mount bottom and the second spout that is located both sides symmetry respectively is provided with two supporting mechanism, supporting mechanism and the slip looks adaptation of second counter weight slide to supporting mechanism carries out the support operation to the walking swivel mount.
The medium-length hole mining process is adopted by the irregularly-thick large ore body, the medium-length hole mining device is adopted by the irregularly-thick large ore body to mine the ore body, in the mining process of the ore body, the mining arm and the cutting end are used for mining the ore body, and the counterweight mechanism is used for counterweight the walking rotary support to prevent the walking rotary support from turning over in the mining process.
The application has the beneficial effects that: the balance weight mechanism is driven to slide to one side far away from the mining arm on the walking rotary support through rotation when the mining arm stretches, the moment generated by movement deviation of the cutting end is balanced through sliding of the first balance weight sliding plate on the walking rotary support, stability of the walking rotary support is improved, and the risk of rollover of the walking rotary support during mining of ore bodies is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic cross-sectional view of a prior art of the present application;
FIG. 2 is a schematic perspective view of the present application;
FIG. 3 is a top view of FIG. 2 in accordance with the present application;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 3 at A-A in accordance with the present application;
FIG. 5 is a schematic view showing a cross-sectional structure at B-B of FIG. 3 according to the present application;
FIG. 6 is a schematic view showing a cross-sectional structure at C-C of FIG. 3 according to the present application;
FIG. 7 is a schematic view of the cross-sectional structure of the portion D-D of FIG. 3 according to the present application;
FIG. 8 is a schematic perspective view of a weight mechanism according to the present application;
FIG. 9 is a schematic perspective view of a support mechanism according to the present application;
FIG. 10 is a schematic perspective view of a sliding mechanism according to a first aspect of the present application;
fig. 11 is a schematic partial perspective view of a second view of the sliding mechanism according to the present application.
Reference numerals illustrate:
1. a walking rotary support; 11. a mining arm; 12. cutting the end; 2. a weight mechanism; 21. a first weighted slide plate; 22. a first weight box; 23. a first balancing weight; 3. a sliding mechanism; 31. pushing the rack; 32. a first chute; 33. a second weighted slide plate; 34. a second chute; 35. a connecting rod piece; 36. a rotating shaft; 37. a second weight box; 38. a second balancing weight; 39. a slide rail; 4. a support mechanism; 41. a straight plate; 42. a square plate; 43. pressing down the groove; 431. a linear groove; 432. an inclined surface groove; 44. penetrating a groove; 45. a clamping groove; 46. a clamping plate; 47. positioning a shaft; 48. a flat bar; 49. square rods; 410. a propulsion shaft; 411. a support rod; 412. a U-shaped plate; 413. and a plunger.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 11, the medium-length hole mining device for irregular thick and large ore bodies provided by the embodiment of the application includes a traveling rotary support 1, a mining arm 11 and a cutting end 12 mounted on the traveling rotary support 1, wherein the mining arm 11 can rotate around the traveling rotary support 1 and drive the cutting end 12 to perform mining operation on the ore bodies, and the medium-length hole mining device further includes:
the counterweight mechanism 2 comprises a first counterweight slide plate 21, a sliding mechanism 3 is arranged on the end, opposite to the mining arm 11, of the walking rotary support 1, and the first counterweight slide plate 21 slides on the walking rotary support 1 to balance moment generated by movement deviation of the cutting end 12.
Specifically, the walking rotary support 1 is a walking vehicle body of a mining device, typically a crawler-type vehicle body, on which a mining mechanism such as a mining arm is rotatably connected to perform multi-directional mining, so that the mining arm 11 and the cutting end 12 perform mining operations on the mining body through the walking rotary support 1, and during the mining operations on the mining body by the mining arm 11 and the cutting end 12 due to the irregularly extremely-inclined thick mining body or the gently-inclined extremely-thick mining body, the mining arm 11 and the cutting end 12 need to rotate by a certain angle to adapt to the inclination of the mining body, and the walking rotary support 1 is not very stable during the walking or the mining of the mining body by the cutting end 12 due to the inclination of the mining body, so that the side turning risk exists during the mining of the mining body by the cutting end 12 on the walking rotary support 1, which is the core point of the application is that: the first counterweight sliding plate 21 is driven to slide on the walking rotary support 1 by the rotation force of the mining arm 11 on the walking rotary support 1 when mining ore bodies, so that the first counterweight sliding plate 21 can balance the moment generated by the movement deviation of the cutting end 12, the stability of the walking rotary support 1 when mining ore bodies at the cutting end 12 is ensured, and the side turning of the walking rotary support 1 is prevented.
In this embodiment, the first counterweight slide plate 21 may actively slide, for example, a hydraulic cylinder is provided for driving, and the active driving is performed for linear reciprocating motion in the prior art, which is not described in detail. In the preferred embodiment, the first counterweight slide plate 21 performs passive sliding, at this time, further, the sliding mechanism 3 includes a pushing rack 31, three first sliding grooves 32 are uniformly formed on the other end of the traveling rotary support 1 opposite to the mining arm 11, one first counterweight slide plate 21 is respectively installed in the three first sliding grooves 32 in a sliding fit manner, a pushing rack 31 is disposed on an outer wall of the first counterweight slide plate 21 located in the middle on one side of the traveling rotary support 1 close to the mining arm 11, a latch is uniformly disposed on an outer wall of a rotating end of the mining arm 11 centered on the traveling rotary support 1, and the latch and the pushing rack 31 are engaged with each other for use, specifically, (1) when the mining arm 11 rotates to a side close to the bottom end of the traveling rotary support 1 (i.e. when the mining arm 11 needs to extend to a side far away from the traveling rotary support 1), the latch is driven to rotate by the mining arm 11, the latch is driven by the mutual engagement with the pushing rack 31 to slide to a side far away from the mining arm 11, the pushing rack 31 drives the first sliding groove 21 located in the middle on the traveling rotary support 1 to slide plate 21 in the first sliding groove 32 located in the middle of the side of the mining rotary support 1, so that the opposite to keep the mining arm 11 from the side of the mining arm 11 from being in a risk of being effectively balanced against the mining body 12 when the mining arm is rotated to slide opposite to the mining arm 11; (2) When the mining arm 11 rotates to be relatively perpendicular to the walking rotary support 1 (that is, when the mining arm 11 needs to extend to the highest point of the mining arm, that is, when the mining arm 11 needs to mine the top end of a ore body), the mining arm 11 drives the pushing rack 31 to slide towards one end close to the mining arm 11 through the latch, and the pushing rack 31 drives the first counterweight slide plate 21 to slide towards one end close to the mining arm 11 in the first sliding groove 32, so that the first counterweight slide plate 21 gathers towards one side of the mining arm 11 to increase the weight of the middle part of the walking rotary support 1, and stability of the walking rotary support 1 is guaranteed.
Further, the sliding mechanism 3 further includes a second counterweight sliding plate 33, two second sliding grooves 34 are formed on the end, opposite to the mining arm 11, of the traveling rotating support 1 and located at an included angle between the three first sliding grooves 32, and the second counterweight sliding plate 33 is installed in the two second sliding grooves 34 in a sliding fit manner, specifically, (1) when the mining arm 11 rotates to the side close to the bottom end of the traveling rotating support 1, the second counterweight sliding plate 33 slides in the second sliding groove 34 to the end far away from the mining arm 11, so that the first counterweight sliding plate 21 and the second counterweight sliding plate 33 simultaneously provide opposite balance force for the mining arm 11 with the traveling rotating support 1 as a center, and the risk of rollover of the mining arm 11 and the cutting end 12 during mining operations on ore bodies is effectively prevented; (2) When the mining arm 11 is rotated to be relatively perpendicular to the traveling swivel mount 1 (that is, when the mining arm 11 needs to be extended to its highest point, that is, when the mining arm 11 needs to mine the top end of the ore body), the second weight slide 33 slides in the second slide groove 34 toward the end near the mining arm 11, so that the first weight slide 21 and the second weight slide 33 are simultaneously gathered toward the mining arm 11 side to increase the weight in the middle of the traveling swivel mount 1, to secure the stability of the traveling swivel mount 1.
Further, the sliding mechanism 3 further includes a connecting rod 35, two of the second counterweight sliding plates 33 and three of the first counterweight sliding plates 21 are provided with flat grooves on the opposite side walls, five of the flat grooves are respectively provided with a rotating shaft 36, each set of two adjacent second counterweight sliding plates 33 and the rotating shaft 36 on the first counterweight sliding plate 21 are connected in a rotation fit manner by the connecting rod 35, that is, one connecting rod 35 is connected between any two adjacent rotating shafts 6, and the length of the connecting rod 35 is the same as the length between the distal ends of the adjacent first sliding groove 32 and second sliding groove 34 (or the length of the connecting rod 35 is slightly longer than the length between the distal ends of the adjacent first sliding groove 32 and second sliding groove 34, as shown in fig. 11), specifically, (1) when the mining arm 11 rotates to the side close to the bottom end of the traveling rotary support 1 (i.e., when the mining arm 11 needs to extend to the side far from the traveling rotary support 1), the mining arm 11 drives the latch to rotate, the latch drives the pushing rack 31 to slide to the side far from the mining arm 11 through the mutual engagement with the pushing rack 31, the pushing rack 31 drives the first counterweight slide plate 21 positioned in the middle on the traveling rotary support 1 to slide to the side far from the mining arm 11 in the first slide groove 32, the first counterweight slide plate 21 positioned in the middle on the traveling rotary support 1 drives the second counterweight slide plate 33 to slide to the side far from the mining arm 11 in the second slide groove 34 through the connecting rod 35 and the rotating shaft 36 (i.e., the first counterweight slide plate 21 positioned in the middle on the traveling rotary support 1 pushes the two second counterweight slide plates 33 to slide to the side far from the mining arm 11 in the second slide groove 34 through the connecting rod 35), the second counterweight sliding plates 33 drive the two first counterweight sliding plates 21 positioned on the two sides of the walking rotary support 1 to slide in the first sliding groove 32 towards one end far away from the mining arm 11 through the connecting rod piece 35 and the rotating shaft 36 (that is to say, the two second counterweight sliding plates 33 respectively pull the two first counterweight sliding plates 21 positioned on the two sides of the walking rotary support 1 to slide in the first sliding groove 32 towards one end far away from the mining arm 11 through the connecting rod piece 35 and the rotating shaft 36), so that the first counterweight sliding plates 21 and the second counterweight sliding plates 33 simultaneously keep relatively stable balance force by taking the walking rotary support 1 as the center of the mining arm 11, and the risk of rollover of the mining arm 11 and the cutting end 12 during mining operation on ore bodies is effectively prevented; (2) When the mining arm 11 rotates to be relatively vertical to the walking rotary support 1 (that is, when the mining arm 11 needs to extend to the highest point of the mining arm, that is, when the mining arm 11 needs to mine the top end of a ore body), the mining arm 11 drives the pushing rack 31 to slide towards the end close to the mining arm 11 through the latch, the pushing rack 31 drives the first counterweight slide plate 21 positioned in the middle on the walking rotary support 1 to slide towards the end close to the mining arm 11 in the first slide groove 32, the first counterweight slide plate 21 positioned in the middle on the walking rotary support 1 drives the second counterweight slide plate 33 to slide towards the end close to the mining arm 11 through the connecting rod 35 and the rotating shaft 36, and the second counterweight slide plate 33 drives the first counterweight slide plates 21 positioned at two sides on the walking rotary support 1 to slide towards the end close to the mining arm 11 through the connecting rod 35 and the rotating shaft 36, so that the first counterweight slide plate 21 and the second counterweight slide plate 33 are simultaneously gathered towards one side of the mining arm 11 to increase the weight of the middle of the walking rotary support 1, and the stability of the walking rotary support 1 is ensured; by the transmission action of the connecting rod 35, the three first counterweight slide plates 21 and the two second counterweight slide plates 33 can simultaneously slide towards one end far away from or close to the mining arm 11 so as to ensure the stability of the walking rotary support 1.
Further, the three first weight-balancing slide plates 21 are provided with first weight boxes 22, and a plurality of first weight-balancing weights 23 are uniformly arranged in the first weight boxes 22, and specifically, when the weight of the first weight-balancing slide plates 21 is insufficient to balance the moment generated by the deviation of the movement of the mining arm 11 and the cutting end 12, the number of the first weight-balancing weights 23 needs to be increased in the first weight-balancing boxes 22 to ensure the balance force of the first weight-balancing slide plates 21, and the balance force provided by the first weight-balancing slide plates 21 to the mining arm 11 and the cutting end 12 can be adjusted through the number of the first weight-balancing weights 23.
Further, a second weight box 37 is mounted on each of the two second weight sliding plates 33, and a plurality of second weight blocks 38 are uniformly mounted in the second weight box 37, specifically, when the weight of the second weight sliding plates 33 is insufficient to balance the moment generated by the deviation of the movement of the mining arm 11 and the cutting end 12, the number of the second weight blocks 38 needs to be increased in the second weight box 37 to ensure the balance force of the first weight sliding plates 21, and the balance force provided by the second weight sliding plates 33 to the mining arm 11 and the cutting end 12 can be adjusted by the number of the second weight blocks 38.
Further, the sliding mechanism 3 further includes a sliding rail 39, the middle part of the walking rotary support 1 is provided with the sliding rail 39, and the pushing rack 31 is installed in the sliding rail 39 in a sliding fit manner, specifically, when the mining arm 11 drives the pushing rack 31 to slide through the latch, the pushing rack 31 slides in the sliding rail 39 in a track of the sliding rail 39, so that the sliding stability of the pushing rack 31 is improved, and the pushing rack 31 provides stable pushing force for the first counterweight sliding plate 21.
Further, the spacing angle between the adjacent first sliding groove 32 and second sliding groove 34 on the walking rotary support 1 is the same, and the distance between the second sliding groove 34 and the mining arm 11 is longer than the distance between the first sliding groove 32 and the mining arm 11, specifically, due to the fact that the spacing angle between the adjacent first sliding groove 32 and second sliding groove 34 is the same, the phenomenon that the first counterweight sliding plate 21 slides in the first sliding groove 32 and the second counterweight sliding plate 33 slides in the second sliding groove 34 does not collide can not happen, and due to the fact that the distance between the second sliding groove 34 and the mining arm 11 is longer than the distance between the first sliding groove 32 and the mining arm 11, the distance between the second counterweight sliding plate 33 in the second sliding groove 34 and the mining arm 11 is longer than the distance between the first counterweight sliding plate 21 in the first sliding groove 32 and the mining arm 11, the second counterweight sliding plate 33 provides a more stable balance force for the mining arm 11, and the stability of the walking rotary support 1 is ensured.
Preferably, two supporting mechanisms 4 are symmetrically arranged at the bottom end of the walking rotary support 1 and between the first sliding groove 32 and the second sliding groove 34 at two sides, the supporting mechanisms 4 are matched with the sliding of the second counterweight sliding plate 33 so that the supporting mechanisms 4 can support the walking rotary support 1, one supporting mechanism 4 comprises a straight plate 41, two straight plates 41 which are symmetrical to each other are arranged at the bottom end of the walking rotary support 1 and between the first sliding groove 32 and the second sliding groove 34 at two sides, a square plate 42 is arranged at the bottom end of the second counterweight sliding plate 33, a pressing groove 43 is formed on the square plate 42 (the pressing groove 43 comprises a straight groove 431 and an inclined groove 432 which are connected, one end of the pressing groove 43 close to the pushing rack 31 is the straight groove 431, one end of the pressing groove 43 far away from the pushing rack 31 is the inclined groove 432, the inclined surface groove 432 is inclined upwards from the side close to the pushing rack 31 to the side far from the pushing rack 31), wherein a through groove 44 is formed in the straight plate 41 on the side close to the square plate 42, a clamping groove 45 is formed in the inner wall of the straight plate 41 on the side far from the square plate 42, a clamping plate 46 is installed in the clamping groove 45 in a sliding fit mode, a positioning shaft 47 is arranged between the two mutually symmetrical straight plates 41 and close to the walking rotary support 1, two flat rods 48 which are mutually crossed and symmetrical are installed on the positioning shaft 47 in a rotating fit mode, a square rod 49 is installed at the end parts of the two flat rods 48 which are mutually crossed and symmetrical in a rotating fit mode, the middle parts of the two square rods 49 are connected into an X-shaped cross assembly in a rotating fit mode through the pushing shaft 410, one end of the pushing shaft 410 is connected to the clamping plate 46, the other end of the pushing shaft 410 penetrates through the through groove 44 and is installed in the pressing groove 43 in a sliding fit mode, the end parts of the two square rods 49 are respectively provided with a supporting rod 411 in a running fit mode, the end parts of the two supporting rods 411 are arranged on a U-shaped plate 412 in a running fit mode, the bottom end of the U-shaped plate 412 is uniformly provided with an inserting rod 413, and specifically, (1) when the mining arm 11 rotates to the side close to the bottom end of the walking rotary support 1, the mining arm 11 drives the first counterweight slide plate 21 and the second counterweight slide plate 33 to slide towards the end far away from the mining arm 11 through the clamping teeth and the pushing rack 31, the second counterweight slide plate 33 drives the square plate 42 to slide towards the end far away from the mining arm 11, and in the process that the square plate 42 slides towards the end far away from the mining arm 11, the pushing shaft 410 slides along the track of the pressing groove 43: a. initially, the push shaft 410 slides along the track of the inclined plane groove 432 of the pressing groove 43, so that the push shaft 410 drives the clamping plate 46 to slide along the track of the clamping groove 45, the push shaft 410 drives the square rod 49 to rotate, and the positioning shaft 47 connects the end part of the flat rod 48 between the two straight plates 41, so that the push shaft 410 drives the U-shaped plate 412 to move towards one end far away from the walking rotary support 1 through the square rod 49 and the support rod 411, the U-shaped plate 412 drives the inserting rod 413 to move towards one end far away from the walking rotary support 1 until the push shaft 410 slides into the straight line groove 431 from the inclined plane groove 432, and the inserting rod 413 and the U-shaped plate 412 are abutted against the ground, so that the inserting rod 413, the U-shaped plate 412, the support rod 411, the square rod 49 and the flat rod 48 are combined into a support piece, the support operation can be carried out on the walking rotary support 1, and the stability of the walking rotary support 1 is improved; b. after the pushing shaft 410 slides into the linear groove 431 along the inclined surface groove 432 of the pressing groove 43, when the pushing shaft 410 slides along the track of the linear groove 431, the pushing shaft 410 does not drive the U-shaped plate 412 to move, and at the moment, the supporting piece formed by the inserted link 413, the U-shaped plate 412, the supporting rod 411, the square rod 49 and the flat rod 48 provides stable supporting force for the walking rotary support 1, so that the risk of rollover of the mining arm 11 and the cutting end 12 during mining operation on ore bodies is effectively prevented; (2) When the mining arm 11 rotates to be relatively perpendicular to the traveling swivel support 1 (that is, when the mining arm 11 needs to extend to the highest point of the mining arm, that is, when the mining arm 11 needs to mine the top end of the ore body), the latch and the pushing rack 31 drive the first counterweight slide plate 21 and the second counterweight slide plate 33 to slide towards the end close to the mining arm 11, the second counterweight slide plate 33 drives the square plate 42 to slide towards the end close to the mining arm 11, and in the process that the square plate 42 slides towards the end far from the mining arm 11, the pushing shaft 410 slides along the track of the pressing groove 43: a. initially, the pushing shaft 410 slides along the track of the linear groove 431, and at this time, the supporting member formed by the combination of the inserted link 413, the U-shaped plate 412, the supporting rod 411, the square bar 49 and the flat bar 48 provides stable supporting force for the walking rotary support 1, so that the risk of rollover of the mining arm 11 and the cutting end 12 during mining operation on the ore body is effectively prevented; b. when the pushing shaft 410 slides from the linear groove 431 to the inclined groove 432, the pushing shaft 410 slides along the track of the inclined groove 432, meanwhile, the pushing shaft 410 drives the clamping plate 46 to slide along the track of the clamping groove 45, the pushing shaft 410 drives the square rods 49 to rotate, the positioning shaft 47 connects the end parts of the flat rods 48 between the straight plates 41, so that the pushing shaft 410 drives the U-shaped plates 412 to move towards one end close to the walking rotary support 1 through the square rods 49 and the support rods 411, the U-shaped plates 412 drive the inserting rods 413 to move towards one end close to the walking rotary support 1, the supporting pieces formed by the inserting rods 413, the U-shaped plates 412, the support rods 411, the square rods 49 and the flat rods 48 are contracted to the initial positions, and the supporting pieces formed by the inserting rods 413, the U-shaped plates 412, the support rods 411, the square rods 49 and the flat rods 48 are not used for supporting the walking rotary support 1 any more, so that the walking rotary support 1 can rotate freely.
In another embodiment of the application, a medium-deep hole mining process is adopted for the irregularly-thick large ore body, the ore body is mined by the mining arm 11 and the cutting end 12, and the traveling rotary support 1 is subjected to the counterweight operation by the counterweight mechanism 2 in the mining process of the ore body, so that the traveling rotary support 1 is prevented from turning over in the mining process.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (6)
1. The utility model provides an irregularly thick ore body adopts medium-length hole mining device, includes walking swivel mount and installs mining arm and cutting end on the walking swivel mount, the mining arm can use the walking swivel mount to rotate and drive the cutting end is right the ore body carries out mining operation, its characterized in that still includes:
the counterweight mechanism comprises a first counterweight sliding plate, a sliding mechanism is arranged at one end, corresponding to the mining arm, of the walking rotary support, and the first counterweight sliding plate slides on the walking rotary support to balance moment generated by movement deviation of the cutting end;
the sliding mechanism comprises a pushing rack, three first sliding grooves are uniformly formed in one end, opposite to the mining arm, of the walking rotary support, a first counterweight sliding plate is respectively arranged in the three first sliding grooves in a sliding fit mode, the pushing rack is arranged on the outer wall, close to the mining arm, of the first counterweight sliding plate in the middle of the walking rotary support, the latch is uniformly arranged on the outer wall of the rotary end, centered on the walking rotary support, of the mining arm, and the latch and the pushing rack are mutually meshed for use;
the sliding mechanism further comprises a sliding rail, the middle part of the walking rotary support is provided with the sliding rail, and the pushing rack is arranged in the sliding rail in a sliding fit manner;
the sliding mechanism further comprises a second counterweight sliding plate, two second sliding grooves are formed in the end, opposite to the mining arm, of the walking rotary support and located at the included angle position among the three first sliding grooves, and the second counterweight sliding plate is installed in the two second sliding grooves in a sliding fit mode;
the sliding mechanism further comprises connecting rods, flat grooves are formed in the side walls of two opposite sides of the second counterweight sliding plates and the three opposite sides of the first counterweight sliding plates, a rotating shaft is arranged in each flat groove, each group of two adjacent second counterweight sliding plates and the rotating shaft on the first counterweight sliding plates are connected in a running fit mode through the connecting rods, namely one connecting rod is connected between any two adjacent rotating shafts, and the length of the connecting rod is identical to that between the adjacent first sliding grooves and the distal ends of the second sliding grooves.
2. The medium-length hole mining device for irregular thick ore bodies according to claim 1, wherein the three first counterweight sliding plates are respectively provided with a first counterweight box, and a plurality of first counterweights are uniformly arranged in the first counterweight boxes.
3. The medium-length hole mining device for irregular thick ore bodies according to claim 1, wherein two second counterweight sliding plates are respectively provided with a second counterweight box, and a plurality of second counterweights are uniformly arranged in the second counterweight boxes.
4. An irregularly thick ore body employing medium length hole mining apparatus according to claim 1, wherein the first and second adjacent runners on the traveling swivel support are equally angularly spaced and the second runner is farther from the mining arm than the first runner.
5. The medium-length hole mining device for irregular thick ore bodies according to claim 1, wherein a supporting mechanism is arranged at the bottom end of the walking rotary support and between the first chute and the second chute on the same side of the pushing rack, and the expansion and contraction of the supporting mechanism are matched with the sliding of the second counterweight sliding plate, so that the supporting mechanism can support the walking rotary support.
6. An irregular thick and large ore body adopting medium-length hole mining technology, which is characterized in that the irregular thick and large ore body adopts medium-length hole mining equipment to mine the ore body, in the mining process of the ore body, mining arms and cutting ends are used for mining the ore body, and a counterweight mechanism is used for counterweight a walking rotary support to prevent the walking rotary support from turning over in the mining process.
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