CN221295410U - Coal sample feeding device - Google Patents

Abstract

The present disclosure relates to a coal sample feeding device, the coal sample feeding device comprising: the device comprises a frame, a bearing piece, a moving mechanism and a guide chute, wherein the bearing piece is movably arranged on the frame and is used for containing a coal sample barrel; the moving mechanism is arranged on the frame and is configured to drive the bearing piece containing the coal sample barrel to rise from a loading position to a discharging position, and drive the bearing piece to overturn at the discharging position to pour out the coal sample in the coal sample barrel; and the frame is also provided with a guide chute which is configured to enable the coal sample poured from the coal sample barrel to flow along a preset path under the dead weight. The feeding device disclosed by the invention can automatically complete feeding tasks, and basically does not need to be manually participated or only needs to be manually assisted in feeding in the process, so that the working efficiency is improved, the labor intensity of workers is reduced, and the cost of people is reduced.

Description

Coal sample feeding device

Technical Field

The disclosure relates to the technical field of material conveying devices, in particular to a coal sample feeding device.

Background

When the coal sample is gathered, the coal in the coal sample barrel is poured into different sampling bags manually, and the manual work intensity is high, the working efficiency is low and the cost of people is increased due to the high weight of the coal sample barrel and the coal sample, the smooth appearance of the coal sample barrel and the like.

Therefore, there is a need for a feeding device that reduces the working strength, improves the working efficiency, and reduces the cost of personnel to solve the problems of the prior art.

Disclosure of utility model

The utility model provides a coal sample material feeding unit in order to solve the problem that exists among the prior art.

The present disclosure provides a coal sample material feeding unit, include:

A frame;

A carrier movably disposed on the frame and configured to hold a coal sample barrel;

The moving mechanism is arranged on the frame and is configured to drive the bearing piece containing the coal sample barrel to rise from a loading position to a discharging position, and drive the bearing piece to overturn at the discharging position to pour out the coal sample in the coal sample barrel;

The guide chute is further arranged on the frame and is configured to enable the coal sample poured out of the coal sample barrel to flow along a preset path under the dead weight.

In one embodiment of the disclosure, the guide chute comprises a straight section guide chute and a cone section guide chute which are sequentially arranged along the flow direction of the coal sample, and the width of the cone section guide chute gradually inwards contracts along the flow direction of the coal sample.

In one embodiment of the present disclosure, the carrier comprises:

The bearing seat is movably arranged on the rack and is configured to place the coal sample barrel;

The limiting structure is arranged on the bearing seat and provided with an unlocking position and a locking position;

The limiting structure prevents the coal sample barrel from being separated from the bearing seat when the coal sample barrel is positioned at the locking position;

The limiting structure allows the coal sample barrel to be taken out of the bearing seat when the coal sample barrel is located at the unlocking position.

In one embodiment of the present disclosure, the limiting structure includes:

One end of the connecting rod is hinged to the bearing seat and extends along the length direction of the barrel body of the coal sample barrel;

The limiting rod is fixedly connected to the other end of the connecting rod and extends along the direction of the barrel opening of the coal sample barrel, so that the coal sample barrel is prevented from being separated from the bearing seat under the dead weight when the bearing seat is overturned relative to the frame.

In one embodiment of the present disclosure, the movement mechanism includes:

The two first sliding grooves are arranged on the rack and extend along the direction of the loading position to the unloading position;

The two second sliding grooves are arranged on the frame and comprise straight-line-section sliding grooves parallel to the first sliding grooves and curved-section sliding grooves which are smoothly transitionally curved from the straight-line-section sliding grooves to the side of the guide groove;

The driving structure is arranged on the frame and is configured to drive the bearing piece to move along the bending section sliding grooves to enable the bearing piece to drive the coal sample barrel to overturn after the bearing piece ascends from the loading position to the unloading position along the two first sliding grooves.

In one embodiment of the present disclosure, the driving mechanism includes:

A spool rotatably disposed on the frame;

The rope is wound on the scroll, and the free end of the rope is fixedly connected to the bearing piece after bypassing the fixed pulley arranged on the frame;

And the driving motor is arranged on the rack and is configured to drive the reel to rotate so as to release or recover the rope.

In one embodiment of the disclosure, the driving mechanism includes two ropes, free ends of the two ropes are respectively and fixedly connected to two sides of the bearing seat, and the two ropes are respectively wound on the reel through respective guide wheels.

In one embodiment of the disclosure, the fixed pulleys are arranged at the top and the bottom of the frame, and the free end of the rope bypasses the fixed pulley at the bottom and then bypasses the fixed pulley at the top and is fixedly connected with the bearing piece.

In one embodiment of the present disclosure, the extending direction of the first chute is inclined with respect to a horizontal plane in which the frame is installed.

In one embodiment of the disclosure, the movement mechanism is further configured to drive the carrier containing the coal sample barrel from a discharge position to a loading position.

The principle of the feeding device of the present disclosure is: the carrier of coal sample material feeding unit is located the charging position generally, when the manual work or robot will hold the coal sample bucket of coal sample on the carrier, start moving mechanism through manual work or controlling means, moving mechanism drive holds the carrier that has the coal sample bucket and rises to the discharge position by the charging position, and continue driving and make the bung hole slope downward of coal sample bucket, so, the coal sample of coal sample bucket is emptyd out, fall in the baffle box, make the coal sample follow the route of predetermineeing and flow, so, the staff places sampling bag or dolly in the export of baffle box just can accept the coal sample of dumping.

Therefore, the feeding device disclosed by the invention can automatically complete feeding tasks, and basically does not need to be manually participated or only needs to be manually assisted in feeding in the process, so that the working efficiency is improved, the labor intensity of workers is reduced, and the labor cost is reduced.

Other features of the present disclosure and its advantages will become apparent from the following detailed description of exemplary embodiments of the disclosure, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic view of a coal sample feeding device according to an embodiment of the present disclosure;

FIG. 2a is a side view of a coal sample feeding apparatus carrier in a loading position according to one embodiment of the present disclosure;

FIG. 2b is a rear view of a coal sample feeder apparatus carrier in a loading position provided in an embodiment of the present disclosure;

FIG. 2c is a top view of a carrier of a coal sample feeding device in a loading position according to one embodiment of the present disclosure;

FIG. 3a is a side view of a coal sample feeder apparatus carrier in a discharge position according to one embodiment of the present disclosure;

FIG. 3b is a rear view of a coal sample feeder apparatus carrier in a discharge position, according to one embodiment of the present disclosure;

Fig. 3c is a top view of a carrier of a coal sample feeding device in a discharge position according to an embodiment of the present disclosure.

The one-to-one correspondence between component names and reference numerals in fig. 1 to 3c is as follows:

1. A frame; 2. a carrier; 21. a bearing seat; 22. a limit structure; 221. a connecting rod; 222. a limit rod; 3. a movement mechanism; 31. a first chute; 32. a second chute; 321. a straight line section chute; 322. a curved section chute; 33. a driving structure; 331. a reel; 332. a rope; 333. a driving motor; 334. a guide wheel; 4. a guide groove; 41. a straight section guide groove; 42. taper section guide chute; 5. and a fixed pulley.

Detailed Description

Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Specific embodiments of the present disclosure are described below with reference to the accompanying drawings.

In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used merely to indicate relative positional relationships between the relevant portions, and do not limit the absolute positions of the relevant portions.

Herein, "first", "second", etc. are used only for distinguishing one another, and do not denote any order or importance, but rather denote a prerequisite of presence.

Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.

The present disclosure provides a coal sample material feeding unit, include: the device comprises a frame, a bearing piece, a movement mechanism and a guide chute; wherein the bearing piece is movably arranged on the rack and is configured for containing the coal sample barrel; the moving mechanism is arranged on the frame and is configured to drive the bearing piece containing the coal sample barrel to rise from a loading position to a discharging position, and drive the bearing piece to overturn at the discharging position to pour out the coal sample in the coal sample barrel; the frame is also provided with a guide chute which is configured to enable the coal sample poured from the coal sample barrel to flow along a preset path under the dead weight.

The principle of the feeding device of the present disclosure is: the carrier of coal sample material feeding unit is located the charging position generally, when the manual work or robot will hold the coal sample bucket of coal sample on the carrier, start moving mechanism through manual work or controlling means, moving mechanism drive holds the carrier that has the coal sample bucket and rises to the discharge position by the charging position, and continue driving and make the bung hole slope downward of coal sample bucket, so, the coal sample of coal sample bucket is emptyd out, fall in the baffle box, make the coal sample follow the route of predetermineeing and flow, so, the staff places sampling bag or dolly in the export of baffle box just can accept the coal sample of dumping.

Therefore, the feeding device disclosed by the invention can automatically complete feeding tasks, and basically does not need to be manually participated or only needs to be manually assisted in feeding in the process, so that the working efficiency is improved, the labor intensity of workers is reduced, and the labor cost is reduced.

For ease of understanding, the specific structure of the feeding device of the present disclosure and its working principle will be described in detail with reference to fig. 1 to 3c in conjunction with a specific embodiment. It should be noted that the feeding device of the present disclosure may transport any other material than coal. When the feeding device disclosed by the invention is applied to coal sample conveying, the conveyed materials are mainly coal samples in the coal sample barrel.

As shown in fig. 1 and 3c, in one embodiment of the present disclosure, the present disclosure provides a coal sample feeding device, comprising: the device comprises a frame 1, a bearing piece 2, a motion mechanism 3 and a guide chute 4; wherein the carrier 2 is movably arranged on the frame 1 and is configured for holding a coal sample barrel; the moving mechanism 3 is arranged on the frame 1 and is configured to drive the carrier 2 containing the coal sample barrel to rise from a loading position (shown in fig. 2 b) to a discharging position (shown in fig. 3 a), and drive the carrier 2 to turn over to pour out the coal sample in the coal sample barrel in the discharging position; the frame 1 is further provided with a guide chute 4, and the guide chute 4 is configured to enable the coal sample poured from the coal sample barrel to flow along a preset path under the dead weight.

When a worker or a robot places a coal sample barrel containing a coal sample on the carrier 2, the moving mechanism 3 is started by the worker or the control device, the carrier 2 containing the coal sample barrel is driven by the moving mechanism 3 to rise to a discharging position (shown in fig. 3 a) from the charging position, and the mouth of the coal sample barrel is driven continuously to incline downwards, so that the coal sample in the coal sample barrel is poured out and falls into the guide chute 4, the coal sample flows along a preset path, and a worker can place a sampling bag or a trolley below the outlet of the guide chute 4 to receive the poured coal sample.

The feeding device is simple in structure, and the problem of lifting the coal sample is skillfully solved.

As shown in fig. 3b, in one embodiment of the present disclosure, the chute 4 includes a straight chute 41 and a tapered chute 42 sequentially arranged in the flow direction of the coal sample, and the chute width of the tapered chute 42 gradually shrinks inward in the flow direction of the coal sample.

Specifically, the carrier 2 is fixedly connected with the straight-section guide groove 41, the carrier 2 extends outwards along the baffle of the length direction of the barrel body of the coal sample barrel to form a connecting component and is fixedly connected with the straight-section guide groove 41, when the carrier 2 is driven to move upwards or downwards by the moving mechanism 3, the straight-section guide groove 41 also moves along with the carrier 2, firstly, the carrier 2 can be assisted to hold the coal sample barrel to provide supporting force, secondly, the carrier 2 can hold the coal sample when the barrel mouth of the coal sample barrel holding the coal sample is inclined downwards, and secondly, the coal sample is granular coal with different sizes, so that the distance between the guide groove 4 and the coal sample barrel is required to be smaller when the coal sample is dumped at the unloading position, so that the coal sample is prevented from being splashed too far, but if the guide groove 4 is arranged too close to the unloading position, the mouth of the coal sample barrel can not be inclined downwards, so that the carrier 2 and the straight-section guide groove 41 can be fixedly connected through the connecting component, and the straight-section guide groove 41 can hold the coal sample barrel, and the coal sample barrel can not be hindered, and the coal sample barrel can not be used as a bending place.

The cone section baffle box 42 can then set up in frame 1, specifically, can fix in frame 1 through welded mode, and the width that the groove width that the cone section baffle box 42 is close to one side of straight section baffle box 41 can set up is wider than the width of straight section baffle box 41, conveniently accepts the coal sample that flows out, and the width that the groove width that one side was kept away from straight section baffle box 41 then can set up is slightly less than sampling bag sack length or sampling trolley's width, and the convenience coal sample can flow into sampling bag or sampling trolley through straight section baffle box 41 export.

Like this, straight section baffle box 41 and the awl section baffle box 42 that set up in order along coal sample flow direction make the coal sample flow along the route of predetermineeing under the dead weight influence, the condition that splashes when the coal sample pours out can not appear, and the slot width of awl section baffle box 42 is inwards contracted gradually along coal sample flow direction for the coal sample is gradually assembled in the flow process, finally flows into in the sampling bag or the sampling dolly.

As shown in fig. 1, in one embodiment of the present disclosure, the carrier 2 includes a carrier 21 and a limiting structure 22, wherein the carrier 21 is movably disposed on the frame 1 and is configured to hold a coal sample barrel; the limiting structure 22 is arranged on the bearing seat 21 and provided with an unlocking position and a locking position; the limiting structure 22 is positioned at the locking position to prevent the coal sample barrel from being separated from the bearing seat 21; the restraining structure 22 in the unlocked position allows the coal sample barrel to be removed from the carrier 21.

In practical applications, since the shapes of the coal sample barrels may be different, the bearing seat 21 may be set according to the shapes of the coal sample barrels, for example: the coal sample barrel is a cylindrical barrel, and a semi-enclosed bearing seat 21 can be arranged. As an alternative embodiment, the carrying seat 21 of the present disclosure may include a bottom plate, a first side plate and two second side plates, the bottom plate being configured to abut against the bottom of the coal sample barrel; the first curb plate and two second curb plates are followed staving length direction of coal sample bucket extends to two second curb plates set up relatively, with the both ends interconnect of first curb plate, and first curb plate, second curb plate all with the bottom plate is connected together and is limited one jointly and place the chamber of holding of coal sample bucket, wherein, the shape of bottom plate can be trapezoidal, forward direction, rectangle etc. first curb plate is being close to the one end of baffle box 4 when loading the position.

Specifically, the limiting structure 22 may be disposed on a side plate of the bearing seat 21.

In practical application, when the bearing seat 21 is in the loading position, the coal sample barrel is placed on the bearing seat 21, the limiting structure 22 in the unlocking position is adjusted to the locking position through a manual or control device, then the moving mechanism 3 is started, the bearing seat 21 with the coal sample barrel is driven by the moving mechanism 3 to rise to the unloading position from the loading position, and the barrel opening of the coal sample barrel is driven to incline downwards continuously, so that the coal sample in the coal sample barrel is poured out and falls into the guide chute 4, the coal sample flows along a preset path, the moving mechanism 3 is started after the coal sample is poured out, the bearing seat 21 with the empty coal sample barrel is driven by the moving mechanism 3 to descend to the loading position from the unloading position, then the limiting structure 22 is adjusted to the unlocking position from the locking position, and the coal sample barrel is taken out. In this way, the limit structure 22 limits the coal sample barrel from separating from the bearing seat 21 when ascending, and prevents the coal sample barrel from separating from the bearing seat 21 when tilting.

To sum up, the carrying member 2 provided in this embodiment is responsible for placing the coal sample barrel by the carrying seat 21, and the coal sample barrel is limited by the limiting structure 22, so that the coal sample barrel cannot be separated from the carrying seat 21 when being inclined, and normal use of the feeding device is ensured.

As shown in fig. 1, in one embodiment of the present disclosure, the spacing structure 22 includes: a connecting rod 221 and a limit rod 222; one end of the connecting rod 221 is hinged on the bearing seat 21 and extends along the length direction of the barrel body of the coal sample barrel; the limiting rod 222 is fixedly connected to the other end of the connecting rod 221 and extends along the opening direction of the coal sample barrel, so as to prevent the coal sample barrel from being separated from the bearing seat 21 under the dead weight when the bearing seat 21 is turned over relative to the frame 1.

Specifically, the connection rod 221 may be disposed on a side plate of the bearing seat 21.

In practical application, when the carrying seat 21 is in the loading position, the coal sample barrel is placed on the carrying seat 21, the limiting rod 222 is shifted to the position above the coal sample barrel, and the limiting rod 222 can prevent the coal sample barrel from being separated from the carrying seat 21 under the dead weight when the carrying seat 21 is overturned relative to the frame 1 because the limiting rod 222 extends along the barrel opening direction of the coal sample barrel, namely, the limiting rod 222 is in the locking position; when the bearing seat 21 descends from the unloading position to the loading position, the limiting rod 222 is shifted to be not positioned above the coal sample barrel, namely, the limiting rod 222 is positioned at the unlocking position, so that the coal sample barrel can be taken out.

The limiting structure 22 consists of a connecting rod 221 and a limiting rod 222, and has simple structure, small manufacturing difficulty and low cost, but can well limit the coal sample barrel from separating from the bearing seat 21 due to self weight when the bearing seat 21 is inclined.

As shown in fig. 1, in one embodiment of the present disclosure, the movement mechanism 3 includes: two first sliding grooves 31 and two second sliding grooves 32, wherein the two first sliding grooves 31 are arranged on the frame 1 and extend along the direction of the loading position to the unloading position; the two second sliding grooves 32 are arranged on the frame 1 and comprise a straight-line section sliding groove 321 parallel to the first sliding groove 31 and a curved section sliding groove 322 smoothly transitionally curved from the straight-line section sliding groove 321 to the guide groove side;

The driving structure 33, the driving structure 33 is disposed on the frame 1, and is configured to drive the carrier 2 to rise from the loading position to the unloading position along the two first sliding grooves 31, and then drive the carrier 2 to move along the curved section sliding groove 322 until the carrier 2 drives the coal sample barrel to turn over.

Specifically, in order to ensure the stability of the carrier 2 during the movement, the two first sliding grooves 31 are disposed parallel to each other with respect to the left and right sides of the carrier 2, and similarly, the two second sliding grooves 32 are disposed parallel to each other with respect to the left and right sides of the carrier 2, and the first sliding grooves 31 are parallel to the straight-line-section sliding grooves 321 of the second sliding grooves 32, so that the carrier 2 is slidably connected to the first sliding grooves 31 and the second sliding grooves 32, thereby facilitating the movement.

It can be understood that, on the basis that the driving structure 33 drives the carrier 2 to move along the curved section chute 322 to enable the carrier 2 to drive the coal sample barrel to turn over, the curved section chute 322 of the second chute 32 includes a straight section chute 321 parallel to the ground and an arc section chute connected to the straight section chute 321 of the second chute 32, which can be adjusted by those skilled in the art based on actual structural characteristics.

As shown in fig. 2c, in one embodiment of the present disclosure, the drive mechanism comprises: a reel 331, a rope 332, and a driving motor 333; wherein the spool 331 is rotatably disposed on the frame 1; the rope 332 is wound on the reel 331, and the free end of the rope 332 is fixedly connected to the carrier 2 after passing around the fixed pulley 5 arranged on the frame 1; a drive motor 333 is provided on the frame 1 and configured to drive the rotation of the spool 331 to release or retrieve the rope 332.

In particular, cord 332 may be selected from a wear resistant steel cord and spool 331 may be selected from a spiral wound spool.

In practical application, the direction of the driving motor 333 driving the roller 331 can be controlled by a person or a control device, when the driving motor 333 drives the roller 331 to rotate in the direction of pointing to the discharging position from the loading position, the roller 331 recovers the rope 332, the carrier 2 moves upwards to the discharging position, when the driving motor 333 drives the roller 331 to rotate in the direction of pointing to the loading position from the discharging position, the rope 332 is released, and the carrier 2 moves downwards to the loading position.

As shown in fig. 2c, in one embodiment of the present disclosure, the driving mechanism includes two ropes 332, and free ends of the two ropes 332 are fixedly connected to two sides of the carrier 2, respectively, and the two ropes 332 are wound on the reel 331 through respective guide wheels 334, respectively.

In order to maintain stability of the carrier 2 and avoid the situation that the carrier 2 is turned over when it does not reach the unloading position during the movement, two ropes 332 are respectively fixed on two sides of the carrier 2, specifically, a connecting column may be disposed on the carrier 2, the connecting column may be connected to the carrier 2, two connecting rings are wound on the connecting column opposite to two sides of the carrier 2, one end of the rope 332 is wound on the connecting ring, and the other end is wound on a guide wheel 334 sleeved on the spool 331.

Thus, one ends of the two ropes 332 are wound on the guide wheel 334, and the other ends of the two ropes 332 are fixedly connected to two sides of the carrier 2, so that the two ropes 332 can stably run at the same speed, and then the carrier 2 is prevented from overturning when the carrier does not reach the unloading position in the moving process.

As shown in fig. 3b, in one embodiment of the present disclosure, the top and bottom of the frame 1 are provided with fixed pulleys 5, and the free end of the rope 332 is fixedly connected to the carrier 2 after passing around the fixed pulley 5 at the bottom and then passing around the fixed pulley 5 at the top.

Specifically, the driving motor 333 is disposed at the bottom of the frame 1, so that in order to realize the upward movement of the carrier 2, the direction of force needs to be changed, the fixed pulley 5 disposed at the top changes the direction of force in the vertical upward direction to the vertical downward direction, and the fixed pulley 5 disposed at the bottom changes the direction of force from the vertical downward direction to the parallel direction, so that the recovery of the rope 332 is realized, and correspondingly, the downward movement of the carrier 2 is realized by changing the direction of force via the two fixed pulleys 5.

As shown in fig. 2a, in one embodiment of the present disclosure, the extending direction of the first chute 31 is arranged obliquely with respect to the horizontal plane of the mounting frame 1.

The inclination of the extending direction of the first slide groove 31 with respect to the horizontal plane of the mounting frame 1 can improve the operation efficiency of the apparatus.

In practical application, the extending direction of the first chute 31 can be set according to practical requirements with respect to the horizontal plane of the installation frame 1, and if the extending direction is large, the lifting speed of the bearing member 2 is high, but the energy consumption and the maintenance cost of the feeding device can be increased, and if the extending direction is small, the lifting speed of the bearing member 2 is low, but the energy consumption and the maintenance cost of the feeding device can be reduced. However, in the embodiments of the present disclosure, a small amount of coal may be provided, because the coal is typically granular material, and if the inclination angle is too large, a material leakage condition may easily occur during the conveying process.

As shown in fig. 2a, in one embodiment of the present disclosure, the movement mechanism 3 is further configured to drive the carrier 2 containing the coal sample barrel from the unloading position to the loading position.

In practical application, when the carrier 2 of coal sample material feeding unit is located the position of unloading, start motion 3 through manual work or controlling means, motion 3 drive carrier 2 makes the bung hole of coal sample bucket upwards to drive carrier 2 that holds the coal sample bucket descend to the charging position from the position of unloading, so, can take out the coal sample bucket, continue to be used for the pay-off of other coal sample barrels.

The feeding device disclosed by the invention can automatically complete feeding tasks, and basically does not need to be manually participated or only needs to be manually assisted in feeding in the process, so that the working efficiency is improved, the labor intensity of workers is reduced, and the cost of people is reduced.

The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the present disclosure is defined by the appended claims.

Claims (10)

1. A coal sample feeding device, characterized in that the coal sample feeding device comprises:

A frame (1);

A carrier (2), the carrier (2) being movably arranged on the frame (1) and being configured for holding a coal sample barrel;

The motion mechanism (3) is arranged on the frame (1) and is configured to drive the bearing piece (2) containing the coal sample barrel to rise from a loading position to a discharging position, and drive the bearing piece (2) to overturn at the discharging position to pour out the coal sample in the coal sample barrel;

The guide chute (4) is further arranged on the frame (1), and the guide chute is configured to enable the coal sample poured out of the coal sample barrel to flow along a preset path under the dead weight.

2. The coal sample feeding device according to claim 1, wherein the guide chute (4) comprises a straight guide chute (41) and a cone guide chute (42) which are sequentially arranged along the flow direction of the coal sample, and the chute width of the cone guide chute (42) gradually contracts inwards along the flow direction of the coal sample.

3. The coal sample feeding device according to claim 1, characterized in that the carrier (2) comprises:

A carrying seat (21), the carrying seat (21) being movably arranged on the frame (1) and being configured to hold the coal sample barrel;

the limiting structure (22) is arranged on the bearing seat (21) and is provided with an unlocking position and a locking position;

the limiting structure (22) prevents the coal sample barrel from being separated from the bearing seat (21) when the coal sample barrel is positioned at the locking position;

The limiting structure (22) allows the coal sample barrel to be taken out from the bearing seat (21) when the coal sample barrel is located at the unlocking position.

4. A coal sample feeding device according to claim 3, characterized in that the limit structure (22) comprises:

The connecting rod (221), one end part of the connecting rod (221) is hinged on the bearing seat (21) and extends along the length direction of the barrel body of the coal sample barrel;

The limiting rod (222), the limiting rod (222) is fixedly connected to the other end of the connecting rod (221) and extends along the direction of the barrel opening of the coal sample barrel, so that the coal sample barrel is prevented from being separated from the bearing seat (21) under the dead weight when the bearing seat (21) is overturned relative to the frame (1).

5. The coal sample feeding device according to any one of claims 1 to 4, characterized in that the movement mechanism (3) comprises:

Two first sliding grooves (31), wherein the two first sliding grooves (31) are arranged on the frame (1) and extend along the direction of the loading position to the unloading position;

The two second sliding grooves (32), the two second sliding grooves (32) are arranged on the frame (1) and comprise a straight-line section sliding groove (321) parallel to the first sliding groove (31) and a curved section sliding groove (322) which is smoothly transitionally curved from the straight-line section sliding groove (321) to the guide groove side;

The driving structure (33) is arranged on the frame (1) and is configured to drive the bearing piece (2) to ascend from a loading position to a discharging position along the two first sliding grooves (31) and the two first sliding grooves (31), and then continuously drive the bearing piece (2) to move along the bending section sliding grooves (322) until the bearing piece (2) drives the coal sample barrel to overturn.

6. The coal sample feeding device according to claim 5, characterized in that the driving structure (33) comprises:

a reel (331), said reel (331) being rotatably arranged on said frame (1);

the rope (332), the said rope (332) winds on said reel (331), and the free end of the said rope (332) winds around the fixed pulley (5) set in said frame (1) and then fixedly connects to the said bearing member (2);

A drive motor (333), the drive motor (333) being arranged on the frame (1) and configured to drive the reel (331) to rotate to release or retrieve the rope (332).

7. The coal sample feeding device according to claim 6, wherein the driving structure comprises two ropes (332), free ends of the two ropes (332) are respectively fixedly connected to two sides of the bearing piece (2), and the two ropes (332) are respectively wound on the reel (331) through respective guide wheels (334).

8. The coal sample feeding device according to claim 6, wherein the fixed pulleys (5) are arranged at the top and the bottom of the frame (1), and the free end of the rope (332) bypasses the fixed pulleys (5) at the bottom and then bypasses the fixed pulleys (5) at the top and is fixedly connected with the bearing piece (2).

9. The coal sample feeding device according to claim 5, characterized in that the extension direction of the first chute (31) is arranged obliquely with respect to the horizontal plane in which the frame (1) is mounted.

10. The coal sample feeding device according to claim 1, characterized in that the movement mechanism (3) is further configured to drive the carrier (2) containing the coal sample barrels from a discharge position to a loading position.