Rotary coal loading device and mining machine

Abstract

The present invention relates to the technical field of mining machines, and specifically provides a rotary coal loading device and a mining machine, wherein the rotary coal loading device comprises: a coal conveyor (1), a rotary coal loading device (2) and a support seat (3), wherein the support seat (3) is supported on the coal conveyor (1), and a coal feeding channel (4) is provided between the support seat (3) and the coal conveyor (1), and the rotary coal loading device (2) is supported on the support seat (3), and a working end for sweeping coal on the rotary coal loading device (2) is located at the opening of the coal feeding channel (4). According to the scheme of the present invention, loading coal by means of the rotary coal loading device can effectively reduce labor intensity, improve coal loading efficiency and coal recovery rate.

Description

Technical Field

[0001] The invention relates to the technical field of mining machines, and in particular to a rotary coal loading device and a mining machine. Background Art

[0002] In recent years, as the depth of coal mining continues to increase, the coal seam is getting thinner and the rock is getting thicker. It is necessary to mine more than half of the thickness of the coal seam. Moreover, it is difficult to separate the coal and the rock, so the only way is to wash and sort the coal on the ground. The transportation and separation of coal gangue not only increases the cost, but also reduces the work efficiency and coal recovery rate. At present, cutting drums are usually used to load coal, but the effect of drum loading is not good, especially the smaller the diameter of the drum, the worse the loading effect. Summary of the invention

[0003] The purpose of the present invention is to solve at least one technical problem in the background technology and to provide a rotary coal charging device and a mining machine.

[0004] To achieve the above-mentioned purpose, the present invention provides a rotary coal loading device, comprising: a coal conveyor, a rotary coal loader and a support seat, the support seat is supported on the coal conveyor, and a coal feeding channel is provided between the support seat and the coal conveyor, the rotary coal loader is supported on the support seat, and a working end of the rotary coal loader for sweeping coal is located at the opening of the coal feeding channel.

[0005] According to one aspect of the present invention, the coal conveyor comprises a mounting seat, a coal receiving portion connected to the mounting seat and located at the same horizontal plane;

[0006] The inner wall of the coal receiving portion is provided with grooves and protrusions at intervals.

[0007] According to one aspect of the present invention, the support seat includes a mounting end and a supporting end connected to the mounting end, the mounting end is mounted on the mounting seat, the supporting end is located above the coal receiving part, and the coal feeding channel is arranged between the supporting end and the coal receiving part.

[0008] According to one aspect of the present invention, the rotary coal loader is supported on a side of the support end away from the mounting end, and a working end thereof is arranged facing the opening of the coal feeding passage.

[0009] According to one aspect of the present invention, the rotary coal loader comprises a hydraulic motor, a transmission shaft, a bearing seat, a bearing cover, a spherical roller bearing and a rotary blade assembly;

[0010] The rotating blade assembly is located at the opening of the coal feeding passage as the working end.

[0011] According to one aspect of the present invention, the rotating blade assembly includes a connection portion connected to the transmission shaft, and a plurality of rotating blades arranged at intervals on an outer wall of the connection portion.

[0012] According to one aspect of the present invention, the rotary blade has two symmetrically arranged inclined surfaces, and the distance between ends of the two inclined surfaces close to the connecting portion is greater than the distance between ends away from the connecting portion.

[0013] According to one aspect of the present invention, the rotating blade assembly includes three rotating blades, and the rotating blades are arranged on the outer wall of the connecting portion at an angle of 120° therebetween.

[0014] According to one aspect of the present invention, the connecting portion is provided with a fixing hole and a locking T-hole connected to the fixing hole, one end of the transmission shaft extends into the fixing hole, and a locking piece passes through the locking T-hole to lock and fix the transmission shaft in the fixing hole.

[0015] To achieve the above object, the present invention also provides a mining machine, characterized in that it includes the above rotary coal loading device, and also includes a coal scraper for cleaning the coal loading path and a coal digging roller for digging coal.

[0016] According to one solution of the present invention, a rotary coal loading device comprises: a coal conveyor, a rotary coal loading device and a support seat, wherein the support seat is supported on the coal conveyor, and a coal feeding channel is provided between the support seat and the coal conveyor, the rotary coal loading device is supported on the support seat, and a working end of the rotary coal loading device for sweeping coal is located at the opening of the coal feeding channel. With such a configuration, when the rotary coal loading device rotates through its working end, its working end can rotate and sweep the coal in the forward direction into the coal conveyor, making the coal loading process simpler and more efficient, with better coal loading effect, no residual coal, and no need for secondary coal loading.

[0017] According to one solution of the present invention, a coal conveyor includes a mounting seat, and a coal receiving portion connected to the mounting seat and located at the same horizontal plane. The inner wall of the coal receiving portion is provided with grooves and protrusions at intervals. With such a configuration, on the one hand, the volume of the coal loaded in the coal receiving portion can be increased, and on the other hand, the strength of the coal receiving portion can be made greater, which is equivalent to providing a plurality of groups of reinforcing ribs on the inner wall in contact with the coal, which can make it more rigid and better able to withstand the impact of coal when the coal is fed into it, thereby ensuring long-term damage-free coal loading. In harsh coal mining environments, the service life of the entire machine is effectively increased and the number of maintenance times is reduced.

[0018] According to one solution of the present invention, the rotary blade assembly includes a connection part connected to the transmission shaft, and a plurality of rotary blades arranged at intervals on the outer wall of the connection part. In this way, the rotary blade assembly can be driven to rotate by the transmission shaft, and when the rotary blade assembly rotates, the rotary blades thereon can clean the coal on the forward path, sweeping the coal from the above-mentioned coal feeding channel into the coal receiving part, achieving the effect of rapid coal loading and 360-degree coal sweeping and loading without dead angles, ensuring that no coal remains in the coal mining channel, and ensuring the coal loading effect.

[0019] According to one solution of the present invention, the rotating blade has two symmetrically arranged inclined surfaces, and the distance between the ends of the two inclined surfaces close to the connection portion is greater than the distance between the ends away from the connection portion. That is, the two inclined surfaces are inclined toward their own centers in the direction away from the connection portion. Such an arrangement can guide the coal to move in the direction away from the connection portion during the coal sweeping process, and can play a guiding role. The ends will not form resistance, ensuring that the coal can quickly escape from the rotating blade and enter the coal receiving portion.

[0020] According to one solution of the present invention, the rotary blade assembly includes three rotary blades, and the rotary blades are arranged on the outer wall of the connecting portion at 120 degrees. Such arrangement can ensure that the rotary blades will not affect each other during the coal sweeping process and a good coal sweeping space is reserved, the coal can smoothly enter the area between the rotary blades, and the coal smoothly performs a quasi-centrifugal motion under the action of the rotary blades, and will not be difficult to enter between two rotary blades during the sweeping process, nor will it be carried out by the rotary blades during the process of entering the coal receiving portion and fail to smoothly enter the coal receiving portion.

[0021] According to one solution of the present invention, a fixing hole and a locking T-shaped hole connected to the fixing hole are provided on the connecting portion, one end of the transmission shaft extends into the fixing hole, and a locking member passes through the locking T-shaped hole to lock and fix the transmission shaft in the fixing hole. Such a setting can make loading and unloading quick and convenient, and can realize rapid replacement and maintenance.

[0022] According to one solution of the present invention, the mining machine includes, in addition to the above-mentioned rotary coal loading device, a coal scraper for cleaning the coal loading path and a coal digging roller for digging coal. With such a configuration, when the mining machine is working, the coal scraper is first used to clean the rocks and other obstacles in the coal digging path, and after the rocks and other obstacles are cleaned, the coal digging roller is used to dig coal on the coal wall, and after the dug coal falls, the rotary coal loading device is used to sweep and load the dug coal, and the whole process can be guaranteed to be smooth and unobstructed, which can effectively improve the coal loading efficiency, reduce the labor intensity, and improve the production efficiency and coal recovery rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1A schematic diagram showing the structural arrangement of a rotary coal charging device according to an embodiment of the present invention;

[0024] Figure 2 A schematic diagram showing the structural arrangement of a rotary coal loader according to an embodiment of the present invention;

[0025] Figure 3 A schematic diagram showing the structural arrangement of a rotating blade assembly according to an embodiment of the present invention;

[0026] Figure 4 A cross-sectional view schematically illustrates a rotating blade assembly according to an embodiment of the present invention;

[0027] Figure 5 The structural arrangement diagram of a picker according to one embodiment of the present invention is schematically shown. DETAILED DESCRIPTION

[0028] The content of the present invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only to enable those skilled in the art to better understand and thus implement the content of the present invention, rather than implying any limitation on the scope of the present invention.

[0029] As used herein, the term “including” and variations thereof are to be interpreted as open-ended terms meaning “including, but not limited to.” The term “based on” is to be interpreted as “based, at least in part, on.” The terms “one embodiment” and “an embodiment” are to be interpreted as “at least one embodiment.”

[0030] Figure 1 The structural layout diagram of the rotary coal charging device according to one embodiment of the present invention is schematically shown. Figure 1 As shown, in this embodiment, the rotary coal loading device includes: a coal conveyor 1, a rotary coal loader 2 and a support seat 3, the support seat 3 is supported on the coal conveyor 1, and a coal feeding channel 4 is provided between the support seat 3 and the coal conveyor 1, the rotary coal loader 2 is supported on the support seat 3, and the working end of the rotary coal loader 2 for sweeping coal is located at the opening of the coal feeding channel 4. In this way, when the rotary coal loader 2 rotates through its working end, its working end can rotate and sweep the coal in the forward direction into the coal conveyor 1, making the coal loading process simpler and more efficient, with better coal loading effect, no residual coal, and no need for secondary coal loading.

[0031] Furthermore, if Figure 1As shown, in this embodiment, the coal conveyor 1 includes a mounting seat 101, and a coal receiving portion 102 connected to the mounting seat 101 and located at the same horizontal plane. Among them, the inner wall of the coal receiving portion 102 is arranged with grooves 1021 and protrusions 1022 at intervals. Such a configuration can, on the one hand, increase the volume of the coal receiving portion 102 for loading coal, and on the other hand, make the strength of the coal receiving portion 102 greater, which is equivalent to providing a plurality of groups of reinforcing ribs on the inner wall in contact with the coal inside, which can make it more rigid and better able to withstand the impact of coal when the coal is fed into it, ensuring long-term damage-free loading of coal. In harsh coal mining environments, it effectively increases the life of the entire machine and reduces the number of maintenance times.

[0032] Furthermore, if Figure 1 As shown, in this embodiment, the support seat 3 includes a mounting end 301 and a supporting end 302 connected to the mounting end 301, the mounting end 301 is mounted on the mounting seat 101, the supporting end 302 is located above the coal receiving portion 102, and a coal feeding channel 4 is provided between the supporting end 302 and the coal receiving portion 102. Figure 1 As shown, the support seat 3 is installed on the right side mounting seat 101 of the coal conveyor 1 through the mounting end 301, and then the supporting end 302 is suspended on the coal receiving portion 102 as a whole. Specifically, the support seat 3 is an L-shaped structure buckled on the coal conveyor 1, that is, the mounting end 301 extends toward the mounting seat 101 for connection, and because of the connection between the mounting end 301 and the mounting seat 101, there is a certain gap between the supporting end 302 and the coal receiving portion 102, and the gap forms the above-mentioned coal inlet channel 4. In this way, through the rotary sweeping of the rotary coal loader 2, the coal can enter the coal conveyor 1 through the coal inlet channel 4.

[0033] like Figure 1 As shown, in this embodiment, the rotary coal loader 2 is supported on the side of the support end 302 away from the mounting end 301 (i.e. Figure 1 The working end of the coal feeding channel 4 is arranged opposite to the opening of the coal feeding channel 4. Figure 2 The structural layout diagram of a rotary coal loader according to an embodiment of the present invention is schematically shown. Figure 2 As shown, the rotary coal loader 2 includes a hydraulic motor 201, a transmission shaft 202 connected to the hydraulic motor 201, a bearing seat 203 arranged on the transmission shaft 202, a bearing cover 204, a spherical roller bearing 205 and a rotary blade assembly 206. Figure 2 As shown, the rotating blade assembly 206 is disposed at the lower end of the transmission shaft 202, and as shown in FIG. Figure 1 As shown, the rotating blade assembly 206 is located at the opening of the coal inlet passage 4 as the above-mentioned working end.

[0034] Further, Figure 3The structural arrangement diagram of the rotating blade assembly according to one embodiment of the present invention is schematically shown. Figure 3 As shown, in this embodiment, the rotating blade assembly 206 includes a connecting portion 2061 connected to the transmission shaft 202, and a plurality of rotating blades 2062 arranged at intervals on the outer wall of the connecting portion 2061. In this way, the rotating blade assembly 206 can be driven to rotate by the transmission shaft 202. When the rotating blade assembly 206 rotates, the rotating blades 2062 thereon can clean the coal on the forward path, and sweep the coal from the above-mentioned coal inlet channel 4 into the coal receiving portion 102, so as to achieve the effect of rapid coal loading and 360-degree coal sweeping and loading without dead angles, ensure that there is no coal left in the coal mining channel, and ensure the coal loading effect.

[0035] Furthermore, if Figure 3 As shown, in this embodiment, the rotating blade 2062 has two symmetrically arranged inclined surfaces 20621, and the distance between the ends of the two inclined surfaces 20621 close to the connection portion 2061 is greater than the distance between the ends away from the connection portion 2061. That is, the two inclined surfaces 20621 are inclined toward their own centers in the direction away from the connection portion 2061. Such an arrangement can guide the coal to move in the direction away from the connection portion 2061 during the coal sweeping process, and can play a guiding role. The end does not form resistance, ensuring that the coal can quickly break away from the rotating blade 2062 and enter the coal receiving portion 102.

[0036] Furthermore, if Figure 3 As shown, in this embodiment, the rotating blade assembly 206 includes three rotating blades 2062, and the rotating blades 2062 are arranged at 120 degrees on the outer wall of the connecting portion 2061. Such an arrangement can ensure that the rotating blades 2062 will not affect each other during the coal sweeping process and a good coal sweeping space is reserved, the coal can smoothly enter the area between the rotating blades 2062, and the coal smoothly performs a quasi-centrifugal motion under the action of the rotating blades 2062, and will not be difficult to enter between two rotating blades 2062 during the sweeping process, nor will it be carried out by the rotating blades 2062 during the process of entering the coal receiving portion 102 and cannot smoothly enter the coal receiving portion 102.

[0037] Further, Figure 4 Schematically showing a cross-sectional view of a rotating blade assembly according to one embodiment of the present invention. Figure 4 As shown, the connecting portion 2061 is provided with a fixing hole 20611 and a locking T-shaped hole 20612 connected to the fixing hole 20611. One end of the transmission shaft 202 extends into the fixing hole 20611 and is locked by a locking member (e.g. Figure 2 The locking nut in the locking T-hole 20612 is passed through the locking T-hole 20612 to lock and fix the transmission shaft 202 located in the fixing hole 20611. The locking state is as follows Figure 2 Such a configuration can make loading and unloading quick and convenient, and can realize rapid replacement and maintenance.

[0038] Furthermore, in order to achieve the above-mentioned purpose of the invention, the present invention also provides a mining machine including the above-mentioned rotary coal loading device, and the structural layout diagram of the mining machine is as follows: Figure 5 As shown, in this embodiment, the mining machine includes, in addition to the rotary coal loading device 10, a coal scraper 5 for cleaning the coal loading path and a coal digging roller 6 for digging coal. With such a configuration, when the mining machine is working, the coal scraper 5 is first used to clean the rocks and other obstacles in the coal digging path. After the rocks and other obstacles are cleaned, the coal digging roller 6 is used to dig coal on the coal wall. After the dug coal falls, the rotary coal loading device is used to sweep and load the dug coal. The whole process can be guaranteed to be smooth and unobstructed, and damage to the rotary coal loading device caused by obstacles such as stones can be effectively prevented. The coal loading efficiency can be effectively improved, the service life of the whole machine can be increased, the labor intensity can be reduced, and the production efficiency and coal recovery rate can be improved.

[0039] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. Rotary coal charging device, characterized in that: include: A coal conveyor (1), a rotary coal loader (2) and a support base (3), wherein the support base (3) is supported on the coal conveyor (1), and a coal inlet passage (4) is provided between the support base (3) and the coal conveyor (1), the rotary coal loader (2) is supported on the support base (3), and a working end of the rotary coal loader (2) for sweeping coal is located at an opening of the coal inlet passage (4); The coal conveyor (1) comprises a mounting seat (101) and a coal receiving portion (102) connected to the mounting seat (101) and located on the same horizontal plane; The inner wall of the coal receiving portion (102) is provided with grooves (1021) and protrusions (1022) at intervals; The support seat (3) comprises a mounting end (301) and a supporting end (302) connected to the mounting end (301), the mounting end (301) being mounted on the mounting seat (101), the supporting end (302) being located above the coal receiving portion (102), and the coal feeding channel (4) being arranged between the supporting end (302) and the coal receiving portion (102); The rotary coal loader (2) is supported on a side of the support end (302) away from the mounting end (301), and its working end is arranged facing the opening of the coal feeding channel (4); The rotary coal loader (2) comprises a hydraulic motor (201), a transmission shaft (202), a bearing seat (203), a bearing cover (204), a spherical roller bearing (205) and a rotary blade assembly (206); The rotating blade assembly (206) is located at the opening of the coal feeding channel (4) as the working end; The rotating blade assembly (206) comprises a connecting portion (2061) connected to the transmission shaft (202), and a plurality of rotating blades (2062) arranged at intervals on the outer wall of the connecting portion (2061); The rotating blade (2062) has two symmetrically arranged inclined surfaces (20621), and the distance between the ends of the two inclined surfaces (20621) close to the connecting portion (2061) is greater than the distance between the ends away from the connecting portion (2061); The inner wall of the coal receiving part (102) is provided with the grooves (1021) and the protrusions (1022) at intervals, which can increase the coal loading capacity of the coal receiving part (102) on the one hand, and increase the strength of the coal receiving part (102) on the other hand.

2. The rotary coal charging device according to claim 1, characterized in that: The rotating blade assembly (206) comprises three rotating blades (2062), and the rotating blades (2062) are arranged on the outer wall of the connecting portion (2061) at an angle of 120 degrees.

3. The rotary coal charging device according to claim 2, characterized in that: The connecting portion (2061) is provided with a fixing hole (20611) and a locking T-shaped hole (20612) connected to the fixing hole (20611); one end of the transmission shaft (202) extends into the fixing hole (20611); and a locking member passes through the locking T-shaped hole (20612) to lock and fix the transmission shaft (202) in the fixing hole (20611).

4. A mining machine, characterized in that: The rotary coal charging device comprises the rotary coal charging device according to any one of claims 1 to 3, and further comprises a coal scraper (5) for cleaning the coal charging path and a coal digging roller (6) for digging coal.

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