CN118309123A - Coal extracting device - Google Patents

Abstract

The invention relates to the field of coal loading equipment, in particular to a coal taking device, which comprises a belt conveyor and a loading mechanism, wherein the loading mechanism comprises a central shaft used for being connected with the belt conveyor, two ends of the central shaft are rotatably connected with brackets, the brackets are sleeved with sleeves in a sliding manner, a bucket is rotatably connected between the sleeves at two ends of the central shaft, two ends of the central shaft are fixedly connected with guide plates at the inner sides of the brackets, and chain wheels used for driving the brackets to rotate are sleeved at the outer sides of the brackets. The device has a plurality of buckets, can circulate continuous material collection and improve and get material efficiency to can paste ground shovel material by oneself, shovel can approximate vertical upwards to lift up the bucket after the material, realize getting shallow layer coal material of earth's surface or rock wall corner coal material shovel, and can be unloaded backward after extension overhang length, the platform requirement to the installation is lower, the assembly can use on conventional portable band conveyer.

Description

Coal extracting device

Technical Field

The invention relates to the field of coal loading equipment, in particular to a coal taking device.

Background

Some small-sized open-pit coal mines are loaded by using a large amount of forklift trucks in the coal exploitation and transportation process, the forklift trucks can load more coal into trucks at one time, but the forklift trucks need to repeatedly adjust the vehicle direction in the coal shoveling and unloading processes, and only one bucket of coal can be loaded and unloaded in each operation, so that the production capacity needs to be improved, more forklift trucks are needed, the working time of the forklift trucks is prolonged, and drivers with more skillful driving skills are introduced, the equipment cost and the manpower resource cost can be obviously improved, and therefore, a small-sized equipment capable of replacing the forklift trucks to rapidly load and unload the coal is needed, and in order to solve the requirements, a coal taking device is provided.

Disclosure of Invention

The invention is provided in view of the above or the problem in the prior art that the cost of improving productivity by using a forklift in a small open pit coal mine is high.

It is therefore an object of the present invention to provide a coal extraction device.

In order to solve the technical problems, the invention provides the following technical scheme: the coal taking device comprises a belt conveyor and a loading mechanism, wherein the loading mechanism comprises a central shaft used for being connected with the belt conveyor, two ends of the central shaft are rotatably connected with brackets, the brackets are sleeved with sleeves in a sliding mode, a bucket is rotatably connected between the sleeves at two ends of the central shaft, two ends of the central shaft are fixedly connected with guide plates at the inner sides of the brackets, two ends of the central shaft are sleeved with chain wheels used for driving the brackets to rotate at the outer sides of the brackets, and the chain wheels are fixedly connected with the brackets; the two ends of the center shaft are fixedly connected with the belt conveyor, the brackets are distributed in an annular array with respect to the center shaft, each group of brackets is composed of two parallel square tubes, a steel plate is fixedly connected between one ends of the sleeve tubes, which are close to the center shaft, of the sleeve tubes, the steel plate is fixedly connected with a sliding block, and the sliding blocks are in sliding connection along the contour edge of the guide plate; the back both sides of bucket are the symmetry and are provided with the gag lever post, just the outside limit of gag lever post matches slip overlap joint with the steel sheet, just the baffle is provided with the short column in the edge that is located band conveyer one end, just the limit post inside limit matches slip overlap joint with the short column.

As a preferred embodiment of the coal taking device of the present invention, wherein: the middle shaft is positioned between the two guide plates, a supporting cover is sleeved between the two guide plates, the outline of the supporting cover is contoured to the outline of the guide plates, and two ends of the supporting cover are fixedly connected with the guide plates.

As a preferred embodiment of the coal taking device of the present invention, wherein: the middle shaft is positioned between the guide plates and is in a circular tube shape, two ends of the middle shaft are positioned outside the guide plates and are in a circular shaft shape and are rotationally sleeved with the chain wheel and the bracket, and two ends of the middle shaft are connected with the belt conveyor in a rectangular shape.

As a preferred embodiment of the coal taking device of the present invention, wherein: the two sides of the guide plates, which are far away from each other, are provided with sliding grooves along the contour edges of the guide plates, and the sliding grooves comprise right-angle sections for enabling the excavator to be pushed and lifted by being attached to the ground, circular arc sections for suspending the excavator to a discharging area of the belt conveyor, and straight-edge sections for recovering the suspended excavator to an initial position.

As a preferred embodiment of the coal taking device of the present invention, wherein: the transition part of the straight edge section and the circular arc section is hung and extended to the belt conveyor.

As a preferred embodiment of the coal taking device of the present invention, wherein: the bottom level of right angle section sets up in the bottom of axis, just the vertical part of right angle section sets up in the one side that the axis was kept away from belt conveyor.

As a preferred embodiment of the coal taking device of the present invention, wherein: the tail end of the horizontal part of the right-angle section is connected with the straight-line section, and the other end of the right-angle section is connected with the circular arc section.

As a preferred embodiment of the coal taking device of the present invention, wherein: the two sides of the excavator bucket are provided with rotary supports, the inner ring of each rotary support is connected with the side wall of the excavator bucket, and one end, far away from the center shaft, of the sleeve is in an annular sleeved joint with the outer ring of each rotary support.

As a preferred embodiment of the coal taking device of the present invention, wherein: the steel plate is arranged in a V-shaped mode, and the V-shaped opening of the steel plate faces the bucket.

As a preferred embodiment of the coal taking device of the present invention, wherein: the short column is perpendicular to the side wall of the guide plate and arranged at the transition part of the straight edge section and the circular arc section, and is arranged at the outer edge of the chute.

The coal taking device has the beneficial effects that: the device has a plurality of buckets, can circulate continuous material collection and improve and get material efficiency to can paste ground shovel material by oneself, shovel can approximate vertical upwards to lift up the bucket after the material, realize getting shallow layer coal material of earth's surface or rock wall corner coal material shovel, and can be unloaded backward after extension overhang length, the platform requirement to the installation is lower, the assembly can use on conventional portable band conveyer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic illustration of an application simulation of a coal extraction device.

Fig. 2 is a schematic diagram of the bucket operating condition of the coal extraction device.

FIG. 3 is a schematic view of a coal extraction device in a different operational state than the bucket of FIG. 2.

Fig. 4 is a schematic structural view of the bucket of the coal pick-up device in a to-be-flipped state after unloading.

Fig. 5 is a top plan view of the structure of fig. 4 of the coal extraction device.

Fig. 6 is a structural cross-sectional view of a central shaft of the coal extraction device.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Embodiment 1, refer to fig. 1-6, which is a first embodiment of the present invention, and provides a coal taking device, which can realize the effect of continuously taking coal for loading by circularly working through a plurality of buckets 204, and comprises a belt conveyor 100, and further comprises a loading mechanism 200, wherein the loading mechanism 200 comprises a middle shaft 201 for connecting the belt conveyor 100, two ends of the middle shaft 201 are rotatably connected with a bracket 202, the bracket 202 is slidably sleeved with a sleeve 203, the buckets 204 are rotatably connected between the sleeves 203 at two ends of the middle shaft 201, two ends of the middle shaft 201 are fixedly connected with guide plates 205 at the inner side of the bracket 202, two ends of the middle shaft 201 are sleeved with chain wheels 207 for driving the bracket 202 to rotate at the outer side of the bracket 202, and the chain wheels 207 are fixedly connected with the bracket 202; the two ends of the center shaft 201 are fixedly connected with the belt conveyor 100, the supports 202 are distributed in an annular array with respect to the center shaft 201, each group of supports 202 is composed of two parallel square tubes, a steel plate 208 is fixedly connected between one ends of the sleeve 203, which are close to the center shaft 201, of the sleeve 203, a sliding block 209 is fixedly connected with the steel plate 208, and the sliding blocks 209 are in sliding connection along the contour edge of the guide plate 205; the two sides of the back of the bucket 204 are symmetrically provided with limiting rods 210, the outer side edges of the limiting rods 210 are in matched sliding lap joint with the steel plates 208, the edge of the guide plate 205, which is positioned at one end of the belt conveyor 100, is provided with short columns 211, and the inner side edges of the limiting rods 210 are in matched sliding lap joint with the short columns 211.

The operation and advantages of the device are further described in connection with the prior art: most of the existing forklift types cannot directly fill the lifted raw materials into the transport vehicle backwards, so that a large amount of time is wasted in the repeated moving process because the forklift is required to be turned to align with the hopper of the transport truck, and the mining equipment with a multi-bucket rotary digging structure can be matched with the conveyer belt for continuous mining.

The invention mainly provides a device which is provided with a plurality of buckets 204, can circularly and continuously collect materials (improve the material collecting efficiency), can automatically stick to the ground to scoop materials, can vertically lift the materials after the materials are shoveled (can scoop the coal materials at the shallow layer of the ground or the corners of the rock wall), and can directly discharge the materials to the rear (refer to fig. 1, the device can be assembled on a conventional mobile belt conveyor 100 for use, and does not pick a platform).

Firstly, the device does not operate independently, and is a part of coal mine excavating equipment, the device is installed and used based on the existing mobile belt conveyor 100, the power part on the belt conveyor 100 drives the device to operate through a chain wheel 207, and when the device is installed, attention needs to be paid to the fact that one of the brackets 202 is shifted to the vertical direction, and at the moment, after the bottom of the bucket 204 on the bracket 202 is kept horizontal, a small gap is reserved between the bottom of the bucket 204 and the ground.

Taking a bucket 204 marked as A in fig. 3 as an example, when the bucket 204 just finishes unloading and overturning to the belt conveyor 100, selecting the positions of the turning points on two sides of the bucket 204, so that the gravity center of the bucket 204 is slightly forward relative to the positions of the turning points, and the front part of the bucket 204 is in a downward tilting posture, and the lip of the front part of the bucket 204 for shoveling materials shovels into coal materials at an inclined downward angle until the lip of the bucket 204 bottoms out, and the sleeve 203 is retracted to the support 202, and gradually clings to the ground to be horizontal; referring to bucket 204, labeled B in fig. 3, bucket 204 continuously shovels against the ground so that coal enters bucket 204; referring to the bucket 204 marked C in fig. 2, D in fig. 3 and E in fig. 2, the bucket 204 moves upwards after reaching the horizontal movement direction stop point, and since the two sides of the front part of the bucket 204 are beveled, more coal in the bucket 204 is retained, the gravity center of the bucket 204 moves backwards, so that the bucket 204 is opened upwards, coal is prevented from spilling, when the bucket 204 reaches the upward movement stop point, the rear direction reverse movement is started, at this time, the limiting rod 210 on the bucket 204 overlaps the steel plate 208 along with the change of the angle of the bracket 202, so that the bucket 204 is gradually inclined along with the deflection of the bracket 202, a small amount of coal falls into the bucket 204 falling downwards on the supporting cover 206, and other coal is finally dumped on the belt conveyor 100 for transportation; referring to the bucket 204 labeled F in fig. 4, the bucket 204 is completely fed at this time, but because the gravity center of the bucket 204 is severely moved backwards at this time and cannot turn over by gravity, the stop lever 210 at the back of the bucket 204 is in overlap with the short column 211, so that the bucket 204 deflects along with the deflection of the bracket 202, and the gravity center of the bucket 204 is quickly moved forward to the front of the turning point of the bucket 204, and the bucket 204 can automatically turn over under the action of gravity at this time; referring to bucket 204, labeled F in FIG. 4 and labeled A in FIG. 3, bucket 204 is caused to slide gradually under gravity as bracket 202 deflects and the next cycle begins.

The above describes a work flow in one cycle of the bucket 204, the apparatus has three (and is not limited to three buckets 204) buckets 204 that work continuously, and the apparatus also has the following technical details:

Firstly, the shovel 204 can be stuck to the ground like a forklift in the circulating motion, and the key of realizing the device is that the guide plate 205 is matched with the bracket 202, the sleeve 203 and other accessories to realize the guiding control on the moving direction of the shovel 204, and the embodiment 2 is specifically referred to.

Secondly, when the bucket 204 of the device circularly moves to the belt conveyor 100 at the rear of the equipment, the overhanging length can be lengthened towards the direction of the belt conveyor 100, so that coal falls on the belt conveyor 100 as much as possible, and the bucket 204 is stable in angle and does not swing during feeding, and the embodiment 3 is referred to.

In conclusion, the device has a plurality of buckets 204, can circulate continuous material collection to improve and get material efficiency to can paste ground shovel material by oneself, shovel can approach vertical upwards lift bucket 204 after the material, realize getting shallow layer coal material of earth's surface or rock wall corner coal material shovel, and can be in extension overhang length back rear unloading, the platform requirement to the installation is lower, the assembly can use on conventional portable band conveyer 100.

In embodiment 2, referring to fig. 1 to 3, unlike the previous embodiment, this embodiment provides a control structure for the movement direction of a bucket 204 of a coal taking device, which guides the bucket 204 to move horizontally and vertically through a chute 205a on a guide plate 205, and can achieve the effects of automatic ground-attached shoveling and corner cleaning of the bucket 204, and the embodiment of the invention comprises that two sides of the guide plate 205, which are far away from each other, are provided with a chute 205a along the contour edges thereof, the transition part of a straight-side section and an arc section 205c is suspended to the belt conveyor 100, the end of the horizontal part of a right-side section 205b is connected with a straight-side section 205d, the other end of the right-side section 205b is connected with an arc section 205c, two sides of the bucket 204 are provided with rotary supports, the inner ring of the rotary supports is connected with the side wall of the bucket 204, and one end of a sleeve 203, which is far away from a center shaft 201, is annular and sleeved with the outer ring of the rotary supports.

Specifically, the middle shaft 201 is located between two guide plates 205 and is sleeved with a supporting cover 206, the outline of the supporting cover 206 is contoured to the outline of the guide plates 205, two ends of the supporting cover 206 are fixedly connected with the guide plates 205, the middle shaft 201 is located between the guide plates 205 and is in a circular tube shape, two ends of the middle shaft 201 are located outside the guide plates 205 and are in a circular shaft shape and are rotatably sleeved with the chain wheel 207 and the bracket 202, and two ends of the middle shaft 201 are connected with the belt conveyor 100 in a rectangular shape.

The guide plate 205 of the device is connected with the supporting cover 206 to form a closed shell structure, so that the structural strength is remarkably enhanced, the guide plate can support the guide plate to guide the sleeve 203 and the movement track of the bucket 204 through the sliding groove 205a and the sliding block 209 in the cyclic process of the bucket 204, the sliding groove 205a is connected into a closed sliding path through the circular arc section 205c, the straight-side section and the right-angle section 205b, wherein the bottom of the right-angle section 205b is horizontally arranged at the bottom of the middle shaft 201, the vertical part of the right-angle section 205b is arranged at one side of the middle shaft 201 far away from the belt conveyor 100 and is used for enabling the bucket 204 to be pushed and lifted in a pasting mode, the circular arc section 205c is used for suspending the bucket 204 to a discharging area of the belt conveyor 100, so that coal in the bucket 204 falls onto the belt conveyor 100 as much as possible, and the straight-side section is used for retracting the suspended bucket 204 to an initial position so as to facilitate the next cyclic process.

The rest of the structure is the same as in embodiment 1.

In sum, the device guides the excavator 204 to move horizontally and vertically through the chute 205a on the guide plate 205, and the effects of automatically attaching the excavator 204 to the ground and cleaning the corners of the wall root are effectively achieved.

Embodiment 3, refer to fig. 4 to 6, and in a third embodiment of the present invention, unlike the previous embodiment, the embodiment provides a bucket 204 angle control structure of a coal taking device, the purpose of tilting and unloading the bucket 204 is achieved by sliding and overlapping a stop lever 210 on the back of the bucket 204 with a steel plate 208, the purpose of timely turning and resetting the bucket 204 is achieved by sliding and overlapping the stop lever 210 with a short column 211, the steel plate 208 is in a V-shaped arrangement, a V-shaped opening of the steel plate 208 faces the bucket 204, the short column 211 is perpendicular to the side wall of the guide plate 205 and is arranged at the transition position of a straight edge section and an arc section 205c, and the short column 211 is arranged at the outer edge of the chute 205 a.

Referring to the bucket 204 labeled D in fig. 2, the stop bar 210 on the bucket 204 will overlap the steel plate 208 as the angle of the bracket 202 changes, thereby causing the bucket 204 to change attitude from gravity control to gradually tilt as the bracket 202 deflects until the feeding to the belt conveyor 100 is completed; referring to the bucket 204 labeled F in fig. 4, the bucket 204 is completely filled at this time, but because the center of gravity of the bucket 204 is severely moved backwards at this time and cannot turn over by gravity, the stop lever 210 at the back of the bucket 204 is in overlap with the short column 211, so that the bucket 204 deflects along with the deflection of the bracket 202, and the gravity center of the bucket 204 is quickly moved forward to the front of the turning point of the bucket 204, and the bucket 204 can turn over by gravity.

The rest of the structure is the same as in embodiment 2.

In conclusion, the device realizes the purpose of tilting and unloading the bucket 204 by designing the limit rod 210 on the back of the bucket 204 and sliding and overlapping the limit rod 210 and the steel plate 208, and realizes the purpose of timely overturning and resetting the bucket 204 by sliding and overlapping the limit rod 210 and the short column 211, and has simple and reliable structure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a coal extracting device, includes band conveyer (100), its characterized in that: the belt conveyor comprises a belt conveyor body, and is characterized by further comprising a loading mechanism (200), wherein the loading mechanism (200) comprises a center shaft (201) used for being connected with the belt conveyor body (100), two ends of the center shaft (201) are rotatably connected with supports (202), the supports (202) are slidably sleeved with sleeves (203), a bucket (204) is rotatably connected between the sleeves (203) at two ends of the center shaft (201), two ends of the center shaft (201) are fixedly connected with guide plates (205) at the inner sides of the supports (202), two ends of the center shaft (201) are positioned at the outer sides of the supports (202) and are sleeved with chain wheels (207) used for driving the supports (202) to rotate, and the chain wheels (207) are fixedly connected with the supports (202);

The two ends of the center shaft (201) are fixedly connected with the belt conveyor (100), the supports (202) are distributed in an annular array relative to the center shaft (201), each group of supports (202) is composed of two parallel square tubes, a steel plate (208) is fixedly connected between one ends of the sleeves (203) close to the center shaft (201), the steel plate (208) is fixedly connected with a sliding block (209), and the sliding blocks (209) are in sliding connection along the contour edges of the guide plates (205);

The utility model discloses a belt conveyer, including bucket (204), steel sheet (208), guide (205), spacer bar (210) are provided with in the back both sides of bucket (204) for the symmetry, just the outside limit of spacer bar (210) matches slip overlap joint with steel sheet (208), just the edge that guide (205) are located belt conveyer (100) one end is provided with short column (211), just the inside limit of spacer bar (210) matches slip overlap joint with short column (211).

2. The coal extraction apparatus of claim 1 wherein: the middle shaft (201) is positioned between the two guide plates (205) and sleeved with the supporting cover (206), the outline of the supporting cover (206) is contoured to the outline of the guide plates (205), and two ends of the supporting cover (206) are fixedly connected with the guide plates (205).

3. The coal extraction apparatus of claim 2 wherein: the middle shaft (201) is positioned between guide plates (205) and is in a circular tube shape, two ends of the middle shaft (201) are positioned outside the guide plates (205) and are in a circular shaft shape, are rotationally sleeved with a chain wheel (207) and a bracket (202), and two ends of the middle shaft (201) are connected with the belt conveyor (100) in a rectangular shape.

4. The coal extraction apparatus of claim 3 wherein: the two sides of the guide plate (205) which are far away from each other are provided with sliding grooves (205 a) along the contour edges of the guide plate, and the sliding grooves (205 a) comprise right-angle sections (205 b) for enabling the excavator bucket (204) to be pushed and lifted in a pasting mode, arc sections (205 c) for suspending the excavator bucket (204) to the unloading area of the belt conveyor (100) and straight-edge sections for recovering the suspended excavator bucket (204) to the initial position.

5. The coal extraction apparatus of claim 4 wherein: the transition of the straight edge section and the circular arc section (205 c) is suspended to the belt conveyor (100).

6. The coal extraction apparatus of claim 5 wherein: the bottom of the right-angle section (205 b) is horizontally arranged at the bottom of the middle shaft (201), and the vertical part of the right-angle section (205 b) is arranged at one side of the middle shaft (201) far away from the belt conveyor (100).

7. The coal extraction apparatus of claim 6 wherein: the end of the horizontal part of the right-angle section (205 b) is connected with the straight-line section (205 d), and the other end of the right-angle section (205 b) is connected with the circular arc section (205 c).

8. The coal extraction apparatus of claim 7 wherein: the two sides of the excavator bucket (204) are provided with rotary supports, the inner ring of each rotary support is connected with the side wall of the excavator bucket (204), and one end, far away from the center shaft (201), of the sleeve (203) is an annular sleeved rotary support outer ring.

9. The coal extraction apparatus of claim 8 wherein: the steel plate (208) is arranged in a V shape, and the V-shaped opening of the steel plate (208) faces the bucket (204).

10. The coal extraction apparatus of claim 9 wherein: the short column (211) is perpendicular to the side wall of the guide plate (205) and is arranged at the transition part of the straight edge section and the circular arc section (205 c), and the short column (211) is arranged at the outer edge of the chute (205 a).