CN115450616A - Cutting coal mining machine, coal mining system and coal mining method - Google Patents

Abstract

The invention discloses a cutting coal mining machine, a coal mining system and a coal mining method, wherein a walking part can realize the self-moving of the coal mining machine, a cutting part is arranged on the walking part and is suitable for cutting coal rocks, a loading part is arranged on the walking part and is suitable for collecting and conveying the coal rocks cut by the cutting part, a discharging part is arranged on the walking part, the conveying direction of the discharging part and the conveying direction of the loading part form an included angle, the discharging part is provided with a feeding end and a discharging end, the feeding end of the discharging part is suitable for bearing the coal rocks conveyed by the loading part, the discharging end of the discharging part is suitable for being in butt joint with a conveyor, and at least part of the discharging part can be adjusted in a pitching mode so that the height of the discharging end can be adjusted. The cutting coal mining machine, the coal mining system and the coal mining method in the embodiment of the invention solve the problem that the existing coal mining machine can only travel on a special track, can be suitable for a plurality of scenes such as a long-wall working face, a short-wall working face, a tunneling working face and the like, improve the application range of the coal mining machine, and simplify the coal mining process.

Description

Cutting coal mining machine, coal mining system and coal mining method

Technical Field

The invention relates to the technical field of coal mining, in particular to a crawler traveling bidirectional cutting coal mining machine, a coal mining system using the cutting coal mining machine and a coal mining method using the coal mining machine.

Background

The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the aims of high yield, high efficiency and low consumption, and the coal mining process in the related technology is complex and the coal mining efficiency is low.

Disclosure of Invention

The present invention is directed to solving, at least in part, one of the technical problems in the related art.

Therefore, the embodiment of the invention provides a cutting coal mining machine which is wide in application range and simplifies the coal mining process.

The embodiment of the invention also provides a coal mining system applying the cutting coal mining machine.

The embodiment of the invention also provides a coal mining method applying the cutting coal mining machine.

The cutting coal mining machine comprises a walking part, a cutting part, a loading part and a discharging part, wherein the walking part can realize the self-moving of the coal mining machine, the cutting part is arranged on the walking part and is suitable for cutting coal rocks, the loading part is arranged on the walking part and is suitable for collecting and conveying the coal rocks cut by the cutting part, the discharging part is arranged on the walking part, the conveying direction of the discharging part and the conveying direction of the loading part form an included angle, the discharging part is provided with a feeding end and a discharging end, the feeding end of the discharging part is suitable for bearing the coal rocks conveyed by the loading part, the discharging end of the discharging part is suitable for being in butt joint with a conveyor, and at least part of the discharging part can be adjusted in a pitching mode so that the height of the discharging end can be adjusted.

The cutting coal mining machine provided by the embodiment of the invention solves the problem that the existing coal mining machine can only travel on a special track, can be suitable for a plurality of scenes such as a long-wall working face, a short-wall working face, a tunneling working face and the like, and improves the application range of the coal mining machine.

In some embodiments, there are two cutting portions, the two cutting portions are a first cutting portion and a second cutting portion respectively, the two loading portions are a first loading portion and a second loading portion respectively, the first loading portion is adapted to receive the first cutting portion to cut the coal rock, the second loading portion is adapted to receive the second cutting portion to cut the coal rock, and the discharging portion is disposed between the first loading portion and the second loading portion and adapted to receive the coal rock conveyed by the first loading portion and the second loading portion.

In some embodiments, the discharge portion is swingable and/or translatable relative to the walking portion so that the feed end is movable toward the first loading portion or the second loading portion.

In some embodiments, the discharging portion is translatable along a length direction of the traveling portion, a conveying direction of the first loading portion and a conveying direction of the second loading portion are arranged opposite to each other and both coincide with the length direction of the traveling portion, and the conveying direction of the discharging portion coincides with a width direction of the traveling portion.

In some embodiments, the discharging portion comprises a first conveying section, a second conveying section and a telescopic drive, one end of the first conveying section forms the feeding end, the other end of the first conveying section is connected with one end of the second conveying section, the other end of the second conveying section forms the discharging end, the second conveying section is adjustable in pitch relative to the first conveying section, one end of the telescopic drive is rotatably connected with the walking portion, the other end of the telescopic drive is rotatably connected with the second conveying section, and the telescopic drive can be telescopic to drive the second conveying section to swing up and down relative to the first conveying section.

In some embodiments, the discharge portion further comprises a discharge conveyor assembly comprising a first drum rotatably mounted at the feed end, a second drum rotatably mounted at the discharge end, and the second drum is slidable in a conveying direction of the second conveyor section, the scraper chain being wound around an outer circumferential side of the first drum and the second drum, the scraper chain being adapted to convey the coal, a first drive provided in the first conveyor section and adapted to drive the first drum to rotate, and a tensioning member provided between the second drum and the second conveyor section to maintain a tensioned state of the scraper chain.

In some embodiments, the cutting portion includes an arm body, a second drive, a third drive and a cutting head, the arm body is connected with the walking portion in a rotating manner, the second drive is arranged on the arm body, the cutting head is connected with the second drive, the second drive is suitable for driving the cutting head to rotate, the third drive is arranged between the arm body and the walking portion, the third drive is suitable for driving the arm body to swing in a pitching manner, the loading portion includes a shovel plate, a fourth drive and a star wheel, the shovel plate is arranged on the walking portion, the fourth drive and the star wheel are arranged on the shovel plate, the star wheel is connected with the fourth drive, the fourth drive is suitable for driving the star wheel to rotate, and the star wheel is suitable for poking coal rocks on the shovel plate to the unloading portion when the star wheel rotates under the drive of the fourth drive.

In some embodiments, the shearer includes an electrical system, a hydraulic system, and a waterway system, the electrical system and the hydraulic system adapted to provide powered support and control for the shearer, the waterway system adapted to provide cooling and spray water for the shearer.

The coal mining system comprises a cutting coal mining machine and a conveyor, wherein the cutting coal mining machine is the cutting coal mining machine in any embodiment, and the conveyor is in butt joint with the discharge end of the discharge part.

The coal mining method provided by the embodiment of the invention comprises the following steps:

the first cutting part is controlled to cut the coal rock on one side of the roadway, the feeding end of the discharging part is controlled to move to the first loading part, and the first loading part conveys the coal rock cut by the first cutting part to the discharging part;

and controlling the second cutting part to cut the coal rock on the other side of the roadway, controlling the feeding end of the discharging part to move to the second loading part, and conveying the coal rock cut by the second cutting part to the discharging part by the second loading part.

Drawings

Fig. 1 is a front view of the structure of the embodiment of the present invention.

Fig. 2 is a schematic top view of the embodiment of the present invention.

Fig. 3 is a schematic structural view of a discharging part according to an embodiment of the present invention.

Reference numerals:

a traveling unit (1); a frame 11; a traveling frame 51; a guide wheel 52;

a cutting part 2; a first cutting portion 201; a second cutting section 202; an arm body 21; a second drive 22; a third drive 23; a cutting head 24; a speed reducer 25; a cutting spindle 26;

a loading section (3); a first loading section 301; a second loading section 302; a shovel plate 31; a star wheel 32; a fourth drive 33;

a discharge section 4; a feed end 41; a discharge end 42; a first conveying section 43; a second conveying section 44; a telescopic drive 45; a pin 46; a discharge conveyor assembly 47; a first roller 471; a second roller 472; a scraper chain 473; a tensioning member 474.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the cutting coal mining machine according to the embodiment of the present invention includes a walking unit 1, a cutting unit 2, a loading unit 3 and a discharging unit 4, wherein the walking unit 1 can realize the self-moving of the coal mining machine, the cutting unit 2 is disposed on the walking unit 1 and is suitable for cutting coal rocks, the loading unit 3 is disposed on the walking unit 1 and is suitable for collecting and conveying the coal rocks cut by the cutting unit 2, and the discharging unit 4 is disposed on the walking unit 1.

Specifically, the walking portion 1 can be including the frame 11, can define the length direction of left and right directions for the frame 11, the cutting portion 2, the loading portion 3 and the portion 4 of unloading all can install on the frame 11, when walking portion 1 operates, can drive the cutting portion 2, the loading portion 3 and the portion 4 of unloading are walked in the tunnel, the coal petrography of control cutting portion 2 work can be cut to the tunnel working face, the loading portion 3 can set up in the below of cutting portion 2, when controlling the loading portion 3 during operation, can collect the coal petrography that the cutting portion 2 cut and carry to the portion 4 of unloading on.

The conveying direction of the discharging portion 4 and the conveying direction of the loading portion 3 form an included angle, the discharging portion 4 is provided with a feeding end 41 and a discharging end 42, the feeding end 41 of the discharging portion 4 is suitable for receiving the coal rocks conveyed by the loading portion 3, the discharging end 42 of the discharging portion 4 is suitable for being in butt joint with a conveyor, and at least part of the discharging portion 4 can be adjusted in a pitching mode so that the discharging end 42 can be adjusted in height.

Specifically, as shown in fig. 1-2, in this case, the conveying direction of the loading portion 3 may be a left-right direction, and an included angle between the conveying direction of the discharging portion 4 and the conveying direction of the loading portion 3 may be greater than 0 degree and less than or equal to 90 degrees, which may facilitate conveying the coal rocks collected by the loading portion 3 to the outside of the coal mining machine.

Because the discharge end 42 of the discharging part 4 needs to be in butt joint with the conveyor to realize the conveying of coal rocks under cutting, the discharge end 42 of the discharging part 4 is set to be in a form of being adjustable in pitch relative to the rack 11, the height of the discharge end 42 of the discharging part 4 can be adjusted, the discharging end can be more conveniently in butt joint with the conveyor, the coal rock conveying efficiency can be improved, and the coal mining machine can be more convenient and efficient during working.

In the prior art, a coal mining machine generally needs to travel on a special track and can only be used on a long-wall working surface, so that the application range of the coal mining machine is limited, and meanwhile, the coal mining machine needs to be matched with a scraper conveyor and a hydraulic support for use at the same time, so that the coal mining process is very complex.

The cutting coal mining machine provided by the embodiment of the invention solves the problem that the existing coal mining machine can only travel on a special track, can be suitable for a plurality of scenes such as a long-wall working face, a short-wall working face, a tunneling working face and the like, and improves the application range of the coal mining machine.

In some embodiments, there are two cutting units 2, the two cutting units 2 are a first cutting unit 201 and a second cutting unit 202, respectively, the two loading units 3 are a first loading unit 301 and a second loading unit 302, respectively, the first loading unit 301 is adapted to receive the first cutting unit 201 to cut coal and rock, the second loading unit 302 is adapted to receive the second cutting unit 202 to cut coal and rock, and the discharging unit 4 is disposed between the first loading unit 301 and the second loading unit 302 and adapted to receive the coal and rock conveyed by the first loading unit 301 and the second loading unit 302.

Specifically, as shown in fig. 1-2, the first cutting unit 201 and the second cutting unit 202 may be respectively installed at the left and right ends of the rack 11, and the first loading unit 301 and the second loading unit 302 may also be respectively installed at the left and right ends of the rack 11, wherein the first loading unit 301 may be disposed below the first cutting unit 201 for collecting and conveying the coal and rock cut by the first cutting unit 201, and the second loading unit 302 may be disposed below the second cutting unit 202 for collecting and conveying the coal and rock cut by the second cutting unit 202.

The discharging part 4 can be installed on the rack 11 between the first loading part 301 and the second loading part 302, when the first cutting part 201 is controlled to cut the coal rock, the feeding end 41 of the discharging part 4 can be controlled to be in butt joint with the first loading part 301, at this time, the first loading part 301 can convey the collected coal rock to the discharging part 4, and can convey the collected coal rock to the belt conveyor through the discharging part 4, when the second cutting part 202 is controlled to cut the coal rock, the feeding end 41 of the discharging part 4 can be controlled to be in butt joint with the second loading part 302, at this time, the second loading part 302 can convey the collected coal rock to the discharging part 4, and can convey the collected coal rock to the belt conveyor through the discharging part 4, so that the coal mining machine does not need to be used with the scraper conveyor in a matched manner, the scraper conveyor does not need to be aligned with a hydraulic support, and the purpose of simplifying the coal mining process is achieved.

In some embodiments, the discharge section 4 is swingable and/or translatable relative to the walking section 1 so that the feed end 41 can move toward the first loading section 301 or the second loading section 302.

Specifically, as shown in fig. 1-2, the discharging end 42 of the discharging portion 4 can swing in the left-right direction with respect to the traveling portion 1, for example, when the discharging end 42 of the discharging portion 4 swings in the left direction with respect to the traveling portion 1, the discharging end 42 of the discharging portion 4 can be abutted with the first loading portion 301 to convey the coal rocks collected by the first loading portion 301, and when the discharging end 42 of the discharging portion 4 swings in the right direction with respect to the traveling portion 1, the discharging end 42 of the discharging portion 4 can be abutted with the second loading portion 302 to convey the coal rocks collected by the second loading portion 302.

In addition, the discharging end 42 of the discharging portion 4 can also perform horizontal translation relative to the traveling portion 1, for example, the discharging portion 4 can perform horizontal slidable connection with the frame 11 in a sliding rail manner, and can realize horizontal sliding of the discharging portion 4 in a screw transmission manner in which a hydraulic cylinder or a motor drives a screw rod to rotate, when the discharging end 42 of the discharging portion 4 performs horizontal translation relative to the traveling portion 1 in the left direction, the discharging end 42 of the discharging portion 4 can be in butt joint with the first loading portion 301 to convey the coal rocks collected by the first loading portion 301, and when the discharging end 42 of the discharging portion 4 performs horizontal translation relative to the traveling portion 1 in the right direction, the discharging end 42 of the discharging portion 4 can be in butt joint with the second loading portion 302 to convey the coal rocks collected by the second loading portion 302.

In some embodiments, the discharge part 4 is translatable along the length direction of the traveling part 1, the conveying direction of the first loading part 301 and the conveying direction of the second loading part 302 are arranged opposite to each other and both coincide with the length direction of the traveling part 1, and the conveying direction of the discharge part 4 coincides with the width direction of the traveling part 1.

Specifically, as shown in fig. 1-2, the discharging portion 4 may be slidably connected to the frame 11 in a left-right direction by means of a sliding rail, and may be slidably connected in a left-right direction by means of a screw transmission manner in which a hydraulic cylinder or a motor drives a threaded rod to rotate, when the coal mining machine in this application is in a working state in this direction, the first cutting portion 201 and the second cutting portion 202 may be distributed in a left-right direction, a conveying direction of the first loading portion 301 may be a right direction, a conveying direction of the second loading portion 302 may be a left direction, a conveying direction of the discharging portion 4 may be a front-back direction, which may facilitate the docking of the discharging portion 4 with a belt conveyor and the conveyance of coal rocks.

In some embodiments, the discharging portion 4 comprises a first conveying section 43, a second conveying section 44 and a telescopic drive 45, one end of the first conveying section 43 forms the feeding end 41, the other end of the first conveying section 43 is connected with one end of the second conveying section 44, the other end of the second conveying section 44 forms the discharging end 42, the second conveying section 44 is capable of being adjusted in a pitching mode relative to the first conveying section 43, one end of the telescopic drive 45 is rotatably connected with the walking portion 1, the other end of the telescopic drive 45 is rotatably connected with the second conveying section 44, and the telescopic drive 45 is telescopic to drive the second conveying section 44 to swing up and down relative to the first conveying section 43.

Specifically, as shown in fig. 3, the first conveying section 43 may be installed on the frame 11, the front end of the second conveying section 44 may be rotatably connected to the frame 11 through a pin 46, meanwhile, the front end of the second conveying section 44 may be rotatably connected to the rear end of the first conveying section 43, the front end of the first conveying section 43 may be the feeding end 41, the rear end of the second conveying section 44 may be the discharging end 42, the telescopic driving section 45 may be a hydraulic cylinder, the front end of the telescopic driving section 45 may be rotatably connected to the frame 11, the rear end of the telescopic driving section 45 may be rotatably connected to the second conveying section 44, the telescopic driving section 45 is controlled to be telescopic, the second telescopic end may be controlled to perform pitch swing with respect to the frame 11, so as to implement height adjustment of the discharging end 42 of the second conveying section 44, thereby facilitating butt joint with a belt conveyor, thereby facilitating conveyance of coal rocks, and improving coal mining efficiency.

In some embodiments, the discharge portion 4 further comprises a discharge conveyor assembly 47, the discharge conveyor assembly 47 comprises a first roller 471, a second roller 472, a scraper chain 473, a first driving and tensioning member 474, the first roller 471 is rotatably mounted at the feeding end 41, the second roller 472 is rotatably mounted at the discharging end 42, the second roller 472 is slidably movable in the conveying direction of the second conveying section 44, the scraper chain 473 is wound around the outer circumferential sides of the first roller 471 and the second roller 472, the scraper chain 473 is adapted to convey the coal, the first driving member is provided at the first conveying section 43 and is adapted to drive the first roller 471 to rotate, and the tensioning member 474 is provided between the second roller 472 and the second conveying section 44 to maintain the tensioned state of the scraper chain 473.

Specifically, as shown in fig. 3, a first roller 471 may be rotatably installed at a front end of the first conveying section 43, a second roller 472 may be rotatably installed at a rear end of the second conveying section 44, a scraper chain 473 may be wound around outer circumferential sides of the first roller 471 and the second roller 472, the first drive may be a motor, the first drive may be installed at the front end of the first conveying section 43 and connected to the first roller 471, and simultaneously, a sprocket adapted to the scraper chain 473 may be installed on each of the first roller 471 and the second roller 472, and when the first drive is controlled to operate, the first roller 471, the second roller 472 and the scraper chain 473 may be driven to rotate, thereby realizing the conveyance of the coal rock.

The left and right sides department at the rear end of second transportation section 44 can be provided with fore-and-aft direction's slotted hole to both ends can cooperate respectively in two slotted holes and carry out fore-and-aft direction's slip along the slotted hole about second cylinder 472, tensioning member 474 can be the tensioning hydro-cylinder, and tensioning member 474 can have two, the front end of two tensioning members 474 can be fixed continuous with second transportation section 44, the rear end can be fixed continuous with second cylinder 472, can exert the top thrust of backward direction to second cylinder 472, so that scrape chain 473 and keep the tensioning state at the in-process that the coal petrography was carried always, so that the transport of coal petrography.

In some embodiments, the cutting unit 2 includes an arm body 21, a second drive 22, a third drive 23, and a cutting head 24, the arm body 21 is rotatably connected to the traveling unit 1, the second drive 22 is provided on the arm body 21, the cutting head 24 is connected to the second drive 22, the second drive 22 is adapted to drive the cutting head 24 to rotate, the third drive 23 is provided between the arm body 21 and the traveling unit 1, and the third drive 23 is adapted to drive the arm body 21 to swing in pitch.

Specifically, as shown in fig. 1-2, each of the first cutting unit 201 and the second cutting unit 202 may include an arm body 21, a second drive 22, a third drive 23, and a cutting head 24, the arm body 21 may be connected to the frame 11 in a vertical direction, the second drive 22 may be a motor, and the second drive 22 may be connected to the cutting head 24 through a speed reducer 25 and a cutting spindle 26, an output end of the second drive 22 is fixedly connected to an input end of the speed reducer 25, an output end of the speed reducer 25 is fixedly connected to one end of the cutting spindle 26, and another end of the cutting spindle 26 is fixedly connected to the cutting head 24, and when the second drive 22 is controlled to operate, the cutting head 24 may be driven to rotate, so as to cut coal and rock on the working surface.

The third drive 23 can be a hydraulic cylinder, two ends of the third drive 23 can be respectively hinged with the arm body 21 and the frame 11, and the arm body 21 and the cutting head 24 can be driven to swing up and down by controlling the extension and retraction of the third drive 23, so that the cutting range of the coal rock can be enlarged.

In some embodiments, the loading unit 3 includes a shovel plate 31, a fourth drive 33, and a star wheel 32, the shovel plate 31 is disposed on the traveling unit 1, the fourth drive 33 and the star wheel 32 are disposed on the shovel plate 31, the star wheel 32 is connected to the fourth drive 33, and the fourth drive 33 is adapted to drive the star wheel 32 to rotate, and the star wheel 32 is adapted to transfer the coal rock on the shovel plate 31 to the discharging unit 4 when rotated by the fourth drive 33.

Specifically, as shown in fig. 1-2, each of the first loading portion 301 and the second loading portion 302 may include a shovel 31, a fourth drive 33, and a star wheel 32, the shovel 31 may be installed on the rack 11 and located below the cutting portion 2 on the same side of the rack 11, the star wheel 32 may be rotatably installed on the shovel 31, the fourth drive 33 may be a motor, the fourth drive 33 may be installed below the star wheel 32 and an output end of the fourth drive 33 may be connected to the star wheel 32, when the fourth drive 33 is controlled to operate, the star wheel 32 may be driven to rotate, and as the star wheel 32 rotates, the coal and rock cut by the cutting portion 2 may be conveyed to the discharging portion 4.

The walking part 1 can also include two walking assemblies, two walking assemblies can be symmetrical locate the front and back both sides of frame 11, every walking assembly all can be including walking frame 51, the drive wheel, leading wheel 52, track and fifth drive, frame 11 is located to walking frame 51, left and right direction interval distribution can be followed to drive wheel and leading wheel 52, and all rotate and install on walking frame 51, the track encircles the periphery side at drive wheel and leading wheel 52, the fifth drive links to each other with the drive wheel, and be suitable for the drive wheel to rotate, and then can drive the track walking, still including the overspeed device tensioner who is used for the track on the walking part 1, so that the track keeps the tensioning state at the walking in-process always.

In some embodiments, the cutting shearer comprises an electrical system and a hydraulic system adapted to provide powered support and control for the travelling part 1, the cutting part 2, the loading part 3, the discharge part 4, etc. of the cutting shearer, and a waterway system adapted to provide cooling and spray water for the cutting shearer.

A coal mining system of an embodiment of the present invention is described below.

The coal mining system of the embodiment of the invention comprises a cutting coal mining machine which can be the cutting coal mining machine in the above embodiment and a conveyor which is butted with the discharge end 42 of the discharging part 4. The coal mining system can be applied to a plurality of scenes such as a long-wall working face, a short-wall working face, a tunneling working face and the like, the application range of the coal mining machine is enlarged, and the matching mode of the discharge end 42 of the discharge part 4 and the belt conveyor is more convenient to adjust and use.

A coal mining method of an embodiment of the present invention is described below.

The coal mining method provided by the embodiment of the invention comprises the following steps:

s1: the first cutting part 201 is controlled to cut the coal rock on one side of the roadway, the feeding end 41 of the discharging part 4 is controlled to move to the first loading part 301, and the first loading part 301 conveys the coal rock cut by the first cutting part 201 to the discharging part 4.

Specifically, when coal rock on a working face on one side of a roadway needs to be cut, firstly, the first cutting part 201 can be driven by the walking part 1 to move to a position to be cut, meanwhile, the feeding end 41 of the discharging part 4 can be controlled to move towards the direction of the first loading part 301 and be in butt joint with the first loading part 301, the second drive 22 and the third drive 23 in the first cutting part 201 are controlled to operate, the coal rock on the working face can be cut by the cutting head 24, the fourth drive 33 in the first loading part 301 is controlled to operate, the cut coal rock can be conveyed to the feeding end 41 of the discharging part 4 through the star wheel 32, and finally the coal rock can be conveyed to a specified position through the discharging part 4 and the belt conveyor.

And controlling the second cutting part 202 to cut the coal rock on the other side of the roadway, controlling the feeding end 41 of the discharging part 4 to move to the second loading part 302, and conveying the coal rock cut by the second cutting part 202 to the discharging part 4 by the second loading part 302.

Specifically, when coal rock on the working face on the other side of the roadway needs to be cut, the second cutting part 202 can be driven to move to a position to be cut through the walking part 1, meanwhile, the feeding end 41 of the discharging part 4 can be controlled to move towards the direction of the second loading part 302 and be in butt joint with the second loading part 302, the second drive 22 and the third drive 23 in the second cutting part 202 are controlled to operate, the coal rock on the working face can be cut through the cutting head 24, the fourth drive 33 in the second loading part 302 is controlled to operate, the cut coal rock can be conveyed to the feeding end 41 of the discharging part 4 through the star wheel 32, and finally the coal rock can be conveyed to a specified position through the discharging part 4 and the belt conveyor.

The coal mining method can be applied to a plurality of scenes such as a long-wall working face, a short-wall working face, a tunneling working face and the like, the application range of the coal mining machine is enlarged, triangular coal processing and inclined cutting feed are not needed, a scraper conveyor and a hydraulic support are not needed for alignment, and the coal (ore) mining process is simplified.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A shearer loader, comprising:

the walking part can realize the self-moving of the coal mining machine;

the cutting part is arranged on the walking part and is suitable for cutting the coal rock;

the loading part is arranged on the walking part and is suitable for collecting and conveying the coal rocks cut by the cutting part;

the portion of unloading, the portion of unloading is located walking portion, just the portion of unloading the direction of delivery of portion with the direction of delivery of loading portion is the contained angle, the portion of unloading has feed end and discharge end, the feed end of the portion of unloading is suitable for accepting the portion of loading is carried the coal petrography, the discharge end of the portion of unloading is suitable for and docks with the conveyer, at least part but the every single move adjustment of the portion of unloading so that the discharge end height is adjustable.

2. The shearer of claim 1, wherein the shearer includes two shearer assemblies, the two shearer assemblies include a first shearer assembly and a second shearer assembly, the two loader assemblies include a first loader assembly and a second loader assembly, the first loader assembly is adapted to receive the first shearer assembly for sheating the coal, the second loader assembly is adapted to receive the second shearer assembly for sheating the coal, and the unloader assembly is disposed between the first loader assembly and the second loader assembly and adapted to receive the coal conveyed by the first loader assembly and the second loader assembly.

3. The shearer loader of claim 2, wherein the discharge portion is swingable and/or translatable relative to the walking portion to enable the feed end to be moved toward the first loading portion or the second loading portion.

4. The shearer loader of claim 3, wherein the discharge unit is translatable along a length of the traveling unit, the first and second loading units are arranged opposite to each other with a conveying direction thereof aligned with the length of the traveling unit, and the discharge unit is arranged with a conveying direction thereof aligned with a width of the traveling unit.

5. The shearer loader of claim 1, wherein the discharge portion comprises:

the feeding device comprises a first conveying section and a second conveying section, wherein one end of the first conveying section forms the feeding end, the other end of the first conveying section is connected with one end of the second conveying section, the other end of the second conveying section forms the discharging end, and the second conveying section can be adjusted in a pitching mode relative to the first conveying section;

the telescopic driving device comprises a telescopic driving device, one end of the telescopic driving device is rotatably connected with the walking part, the other end of the telescopic driving device is rotatably connected with the second conveying section, and the telescopic driving device can stretch and retract to drive the second conveying section to vertically swing relative to the first conveying section.

6. The shearer loader of claim 5, wherein the discharge portion further comprises a discharge conveyor assembly, the discharge conveyor assembly comprising:

a first roller rotatably mounted at the infeed end and a second roller rotatably mounted at the outfeed end and slidably movable in a conveying direction of the second conveying run;

a scraper chain wound around outer circumferential sides of the first and second drums, the scraper chain being adapted to convey the coal petrography;

the first driving device is arranged on the first conveying section and is suitable for driving the first roller to rotate;

a tensioning member disposed between the second roller and the second conveyor section to maintain a tensioned state of the scraper chain.

7. The shearer loader of claim 1, wherein the cutting section includes an arm body, a second drive, a third drive, and a cutter head, the arm body is rotatably coupled to the traveling section, the second drive is disposed on the arm body, the cutter head is coupled to the second drive, the second drive is adapted to rotate the cutter head, the third drive is disposed between the arm body and the traveling section, the third drive is adapted to pitch and oscillate the arm body;

and/or, loading portion includes shovel board, fourth drive and star gear, the shovel board is located walking portion, the fourth drive with the star gear is all located the shovel board, the star gear with the fourth drive links to each other, and the fourth drive is suitable for the drive the star gear rotates, the star gear is suitable for with the coal petrography on the shovel board to when the fourth driven drive is rotatory down the portion of unloading department is dialled and is sent.

8. The shearer loader of any of claims 1-7, comprising an electrical system, a hydraulic system, and a waterway system, the electrical system and the hydraulic system adapted to provide powered support and control for the shearer loader, the waterway system adapted to provide cooling and spray water for the shearer loader.

9. A coal mining system comprising a shearer according to any of claims 1 to 8 and a conveyor that interfaces with a discharge end of the discharge portion.

10. A coal mining method based on the shearer loader of claim 3, characterized by comprising the following steps:

the first cutting part is controlled to cut the coal rock on one side of the roadway, the feeding end of the discharging part is controlled to move to the first loading part, and the first loading part conveys the coal rock cut by the first cutting part to the discharging part;

and controlling the coal rock on the other side of the second cutting part cutting roadway, controlling the feeding end of the discharging part to move to the second loading part, and conveying the coal rock cut by the second cutting part to the discharging part by the second loading part.

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