阅读说明：本技术 一种用于煤仓的卸料机及卸料方法 (Unloader for coal bunker and unloading method ) 是由 孙波 张建峰 燕涛 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种用于煤仓的卸料机及卸料方法,涉及货运卸料领域,包括：底座,所述底座上表面靠近左右两侧的位置均固定连接有弧形支撑座,弧形支撑座内侧转动连接有若干个第一转动轴,第一转动轴远离弧形支撑座的一端固定连接有转动辊,多个所述转动辊的表面协同抵接有半圆支撑座,半圆支撑座上表面的左右两端均固定连接有拱形架,两个所述拱形架之间前后两侧均固定连接横杆,横杆底部固定连接若干个固定板,固定板正面开设有方形孔,拱形架内侧上方固定连接有支撑板；驱动机构,驱动机构设置在底座上表面的左右两端。本发明通过设置驱动机构、拱形架和半圆支撑座,可以使得整个卸料过程十分高效,大大缩短了卸料的时间。(The invention discloses an unloader for a coal bunker and an unloading method, which relate to the field of freight unloading and comprise the following steps: the device comprises a base, wherein arc-shaped supporting seats are fixedly connected to positions, close to the left side and the right side, of the upper surface of the base, a plurality of first rotating shafts are rotatably connected to the inner sides of the arc-shaped supporting seats, one ends, far away from the arc-shaped supporting seats, of the first rotating shafts are fixedly connected with rotating rollers, the surfaces of the rotating rollers are in cooperative abutting connection with semicircular supporting seats, arch frames are fixedly connected to the left end and the right end of the upper surface of the semicircular supporting seats, transverse rods are fixedly connected to the front side and the rear side of the space between the two arch frames, a plurality of fixing plates are fixedly connected to the bottoms of the transverse rods, square holes are formed in the front sides of the fixing plates, and supporting plates are fixedly connected to the upper sides of the inner sides of the arch frames; and the driving mechanisms are arranged at the left end and the right end of the upper surface of the base. The invention can lead the whole unloading process to be very efficient and greatly shorten the unloading time by arranging the driving mechanism, the arch frame and the semicircular supporting seat.)

1. An unloader for a coal bunker, comprising:

the steel rail support comprises a base (102), arc-shaped supporting seats (110) are fixedly connected to positions, close to the left side and the right side, of the upper surface of the base (102), a plurality of first rotating shafts (111) are rotatably connected to the inner side of each arc-shaped supporting seat (110), one ends, far away from the arc-shaped supporting seats (110), of the first rotating shafts (111) are fixedly connected with rotating rollers (112), the surfaces of the rotating rollers (112) are in cooperative abutting connection with semicircular supporting seats (109), arch frames (101) are fixedly connected to the left end and the right end of the upper surface of each semicircular supporting seat (109), transverse rods (105) are fixedly connected to the front side and the rear side between the two arch frames (101), a plurality of fixing plates (103) are fixedly connected to the bottoms of the transverse rods (105), square holes (104) are formed in the front sides of the fixing plates (103), supporting plates (106) are fixedly connected to the upper portion of the inner sides of the arch frames (101), and first rails (108) are fixedly connected to the middles of the tops of the semicircular supporting seats (109);

the pressing mechanism (400), the pressing mechanism (400) is fixedly connected to the middle of the bottom of the supporting plate (106);

the transverse fixing mechanism (300), the transverse fixing mechanism (300) is fixedly connected to the outer side surface of the fixing plate (103);

and the driving mechanisms (200) are arranged at the left end and the right end of the upper surface of the base (102).

2. The unloader for a coal bunker of claim 1, wherein: the driving mechanism (200) comprises a butt joint frame (211), the bottom of the butt joint frame (211) is fixedly connected with the upper surface of the base (102), a second rail (210) is fixedly connected in the middle of the top of the butt joint frame (211), an upper fixing block (209) is fixedly connected in the middle of the lower surface of the butt joint frame (211), a power motor (207) is fixedly connected at the bottom of the upper fixing block (209), a third rotating shaft (206) is fixedly connected at the output end of the power motor (207), a second gear (205) is fixedly connected at one end, far away from the power motor (207), of the third rotating shaft (206), supporting blocks (203) are fixedly connected at positions, which are located right below the butt joint frame (211), of the front side and the rear side of the upper surface of the base (102), a driving motor (204) is fixedly connected at a middle of the top of each supporting block (203), and a second rotating shaft (202) is fixedly connected at the output end of the driving motor (204), first gear (201) of fixedly connected with in the middle of second axis of rotation (202), the one end rotation connection of keeping away from driving motor (204) in second axis of rotation (202) is on arc supporting seat (110), the equal fixedly connected with arc gear plate (208) in both ends about semicircle supporting seat (109), arc gear plate (208) upwards extend according to self arc and bow member (101) fixed connection, the upper surface and the second gear (205) meshing of arc gear plate (208), the lower surface and the meshing of first gear (201) of arc gear plate (208).

3. The unloader for a coal bunker of claim 1, wherein: horizontal fixed establishment (300) includes hydraulic press (305), equal fixedly connected with a plurality of fixed foot (303) of surface rear side reason about hydraulic press (305), run through between fixed foot (303) are positive and seted up the screw, screw female connection has bolt (304), hydraulic press (305) are through fixed foot (303) and bolt (304) fixed connection on fixed plate (103) surface, hydraulic press (305) back sliding connection has hydraulic stem (302), one end fixedly connected with atress board (301) of hydraulic press (305) are kept away from in hydraulic stem (302), fixed plate (103) are passed through quad slit (104) in hydraulic stem (302), it is a plurality of horizontal fixed establishment (300) symmetric distribution is in the front and back both sides of semicircle supporting seat (109).

4. The unloader for a coal bunker of claim 1, wherein: push down mechanism (400) including cylinder (401), cylinder (401) fixed connection is in the middle of the bottom of backup pad (106), and sliding connection has gas pole (402) in the middle of cylinder (401) bottom, and gas pole (402) bottom fixedly connected with tripod (403), and is a plurality of push down mechanism (400) symmetric distribution is in the left and right sides of semicircle supporting seat (109).

5. The unloader for a coal bunker of claim 1, wherein: the front side edge of the right end of the semicircular supporting seat (109) is fixedly connected with an L-shaped rod (501), and the top of the front side of the arc-shaped supporting seat (110) on the right side is fixedly connected with a limit switch (502).

6. The unloader for a coal bunker of claim 1, wherein: the top of the arc-shaped supporting seat (110) is provided with a notch, the notch is semicircular, the first rotating shafts (111) are arranged at equal intervals along the track of the notch, and the length of each semicircular supporting seat (109) is equal to the distance between the two arc-shaped supporting seats (110).

7. The unloader for a coal bunker of claim 1, wherein: a discharge opening (107) is formed in the rear side of the middle of the base (102).

8. A discharging method for a discharger for a coal bunker according to any of claims 1 to 7, characterized by comprising the steps of:

s101: the whole unloader is arranged near the coal bunker, and the discharge opening (107) corresponds to the feed inlet of the coal bunker;

s102: pushing the railway carriage to the middle of the top of the semicircular supporting seat (109) through a second rail (210) and a first rail (108);

s103: the train compartment is fixed transversely through a transverse fixing mechanism (300);

s104: the train carriage is fixed in the vertical direction through a pressing mechanism (400);

s105: the semicircular supporting seat (109) and the arch frame (101) are cooperatively rotated through the driving mechanism (200), and the rotating direction is clockwise when viewed from the right side;

s106: the coal mine in the train compartment is poured out and enters the coal bunker from the discharge port (107);

s107: after the unloading is finished, the train carriage is released from being fixed, and the train carriage is pushed away from the top of the semicircular supporting seat (109).

Technical Field

The invention relates to the field of freight unloading, in particular to an unloader for a coal bunker and an unloading method.

Background

The coal warehouse has a certain space for storing coal and is equipped with corresponding equipment according to the characteristics of the stored coal so as to keep the integrity of the coal. For example: ventilation equipment must be provided to prevent explosion caused by too high content of combustible materials in the air, and moisture-proof, dust-proof and constant temperature are required, so that equipment for constant temperature and the like should be established. Coal is usually transported by train, and when a large amount of coal reaches a warehouse, the coal is unloaded from the train and comes to a coal bunker, so that the coal is inevitable.

Usually, the coal in the train compartment is excavated and unloaded by manpower or machinery, but the unloading speed of the method is limited, and when a lot of coal waits for unloading, the coal is difficult to be quickly unloaded from the train compartment by the unloading method, so that the requirement of an enterprise cannot be met. In order to solve the above problems, it is necessary to provide a discharging machine and a discharging method for a coal bunker.

Disclosure of Invention

In order to solve the technical problem, the technical scheme provides the unloader for the coal bunker and the unloading method, and solves the problem that when a plurality of coals wait for unloading, the coal is unloaded from the train compartment by the traditional unloading mode difficultly and quickly.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

an unloader for a coal bunker, comprising:

the device comprises a base, wherein arc-shaped supporting seats are fixedly connected to positions, close to the left side and the right side, of the upper surface of the base, a plurality of first rotating shafts are rotatably connected to the inner sides of the arc-shaped supporting seats, one ends, far away from the arc-shaped supporting seats, of the first rotating shafts are fixedly connected with rotating rollers, the surfaces of the rotating rollers are in cooperative abutting connection with semicircular supporting seats, arch frames are fixedly connected to the left end and the right end of the upper surface of the semicircular supporting seats, transverse rods are fixedly connected to the front side and the rear side between the two arch frames, a plurality of fixing plates are fixedly connected to the bottoms of the transverse rods, square holes are formed in the front sides of the fixing plates, supporting plates are fixedly connected to the upper portion of the inner sides of the arch frames, and first rails are fixedly connected to the middles of the tops of the semicircular supporting seats;

the pressing mechanism is fixedly connected to the middle of the bottom of the supporting plate;

the transverse fixing mechanism is fixedly connected to the outer side surface of the fixing plate;

and the driving mechanisms are arranged at the left end and the right end of the upper surface of the base.

Preferably, the driving mechanism comprises a butt joint frame, the bottom of the butt joint frame is fixedly connected with the upper surface of the base, a second rail is fixedly connected in the middle of the top of the butt joint frame, an upper fixed block is fixedly connected in the middle of the lower surface of the butt joint frame, a power motor is fixedly connected at the bottom of the upper fixed block, a third rotating shaft is fixedly connected at the output end of the power motor, a second gear is fixedly connected at one end of the third rotating shaft, which is far away from the power motor, a supporting block is fixedly connected at the position right below the butt joint frame at the front side and the rear side of the upper surface of the base, a driving motor is fixedly connected with the middle of the top of the supporting block, a second rotating shaft is fixedly connected at the output end of the driving motor, a first gear is fixedly connected in the middle of the second rotating shaft, one end of the second rotating shaft, which is far away from the driving motor, is rotatably connected to the arc-shaped supporting seat, and arc-shaped gear plates are fixedly connected at the left end and right end of the semicircular supporting seat, the arc gear plate upwards extends according to self arc and bow member fixed connection, the upper surface and the second gear meshing of arc gear plate, the lower surface and the first gear meshing of arc gear plate.

Preferably, horizontal fixed establishment includes the hydraulic press, and the equal fixedly connected with a plurality of fixed foot in surperficial rear side reason about the hydraulic press runs through between the fixed foot openly and has seted up the screw, and screw female connection has the bolt, and the hydraulic press passes through fixed foot and bolt fixed connection on the fixed plate surface, and hydraulic press back sliding connection has the hydraulic stem, and the one end fixedly connected with atress board of hydraulic press is kept away from to the hydraulic stem, and the hydraulic stem passes the fixed plate through the quad slit, and is a plurality of horizontal fixed establishment symmetric distribution is both sides around the semicircle supporting seat.

Preferably, the pushing mechanism comprises a cylinder, the cylinder is fixedly connected to the middle of the bottom of the supporting plate, a gas rod is connected to the middle of the bottom of the cylinder in a sliding mode, a tripod is fixedly connected to the bottom of the gas rod, and the pushing mechanism is symmetrically distributed on the left side and the right side of the semicircular supporting seat.

Preferably, the edge of the front side of the right end of the semicircular supporting seat is fixedly connected with an L-shaped rod, and the top of the front side of the arc-shaped supporting seat on the right side is fixedly connected with a limit switch.

Preferably, the top of the arc-shaped supporting seat is provided with a notch, the notch is in a semicircular shape, the first rotating shafts are arranged at equal intervals along the track of the notch, and the length of each semicircular supporting seat is equal to the distance between the two arc-shaped supporting seats.

Preferably, a discharge opening is formed in the rear side of the middle of the base.

Further, a discharging method of the discharging machine for the coal bunker is provided, and the discharging method comprises the following steps:

s101: the whole unloader is arranged near the coal bunker, and the discharge opening corresponds to the feed inlet of the coal bunker;

s102: pushing the railway carriage to the railway carriage through the second rail and the first rail

The middle position of the top of the semicircular supporting seat;

s103: the train carriage is transversely fixed through a transverse fixing mechanism;

s104: the train carriage is fixed in the vertical direction through a pressing mechanism;

s105: the semicircular supporting seat and the arch-shaped frame are cooperatively rotated through the driving mechanism, and the rotating direction is clockwise when the driving mechanism is observed from the right side;

s106: the coal mine in the train compartment is poured out and enters the coal bunker from the discharge opening;

s107: after the unloading is finished, the fixation of the train carriage is released, and the train carriage is pushed away from the top of the semicircular supporting seat.

Compared with the prior art, the invention provides the unloader for the coal bunker and the unloading method, and the unloader has the following beneficial effects:

1. by arranging the driving mechanism, the arch frame and the semicircular supporting seat, the first gear and the second gear in the driving mechanism and the arc-shaped gear plate cooperate to enable the arch frame and the semicircular supporting seat to rotate, so that the train carriage fixed on the surface of the semicircular supporting seat can incline, coal in the train carriage can be rapidly poured out and enters the coal bunker, and by adopting the mode, when a large number of train carriages wait for discharging, the whole discharging process is very efficient, the discharging time is greatly shortened, the discharging efficiency is improved, the waiting time of workers is reduced, and the burden of the workers is reduced;

2. through setting up L shape pole and limit switch, when unloading and accomplishing, when semicircle supporting seat resets, when L shape pole and limit switch contacted once more, semicircle supporting seat stop motion to can guarantee that first rail on the semicircle supporting seat is more level and more smooth with second rail butt joint department, make the railway carriage can not receive the hindrance along first rail and second rail motion.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the driving mechanism of the present invention;

FIG. 4 is a schematic view of the base and the semicircular supporting seat of the present invention;

FIG. 5 is a schematic view of the pressing mechanism of the present invention;

FIG. 6 is a schematic structural view of a lateral securing mechanism of the present invention;

FIG. 7 is a schematic view of a portion of the enlarged structure of A in FIG. 3;

fig. 8 is a schematic flow diagram of the discharging method of the present invention.

The reference numbers in the figures are:

101. an arch frame; 102. a base; 103. a fixing plate; 104. a square hole; 105. a cross bar; 106. a support plate; 107. a discharge opening; 108. a first rail; 109. a semicircular supporting seat; 110. an arc-shaped supporting seat; 111. a first rotating shaft; 112. a rotating roller;

200. a drive mechanism; 201. a first gear; 202. a second rotating shaft; 203. a support block; 204. a drive motor; 205. a second gear; 206. a third rotating shaft; 207. a power motor; 208. an arc-shaped gear plate; 209. an upper fixed block; 210. a second rail; 211. a docking rack;

300. a transverse fixing mechanism; 301. a stress plate; 302. a hydraulic lever; 303. a fixing leg; 304. a bolt; 305. a hydraulic press;

400. a pressing mechanism; 401. a cylinder; 402. a gas lever; 403. a tripod;

501. an L-shaped rod; 502. and a limit switch.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-8, an unloader for a coal bunker includes:

the device comprises a base 102, wherein arc-shaped supporting seats 110 are fixedly connected to positions, close to the left side and the right side, of the upper surface of the base 102, a plurality of first rotating shafts 111 are rotatably connected to the inner sides of the arc-shaped supporting seats 110, one ends, far away from the arc-shaped supporting seats 110, of the first rotating shafts 111 are fixedly connected with rotating rollers 112, the surfaces of the rotating rollers 112 are in cooperative abutting connection with semicircular supporting seats 109, arch frames 101 are fixedly connected to the left end and the right end of the upper surface of each semicircular supporting seat 109, cross rods 105 are fixedly connected to the front side and the rear side between the two arch frames 101, a plurality of fixing plates 103 are fixedly connected to the bottoms of the cross rods 105, square holes 104 are formed in the front sides of the fixing plates 103, supporting plates 106 are fixedly connected to the upper portion of the inner sides of the arch frames 101, and first rails 108 are fixedly connected to the middles of the tops of the semicircular supporting seats 109;

referring to fig. 1 and 4, the arch 101 and the semicircular supporting seat 109 are disposed on the rotating roller 112, when the driving mechanism 200 rotates the arch 101 and the semicircular supporting seat 109, since the first rotating shaft 111 is rotatably connected to the arc supporting seat 110, and when the arch 101 and the semicircular supporting seat 109 rotate, the rotating roller 112 is driven to rotate by the surface friction of the arch 101 and the semicircular supporting seat 109, the arch 101 and the semicircular supporting seat 109 can complete the rotation under the action of the rotating roller 112, and since the train carriage is fixed at the center of the arch 101 and the semicircular supporting seat 109, the center of gravity of the whole train carriage is at the center, so that the situation that the arch 101 and the semicircular supporting seat 109 roll off from the rotating roller 112 due to the deviation of the center of gravity does not occur;

the pressing mechanism 400 is fixedly connected to the middle of the bottom of the supporting plate 106;

a transverse fixing mechanism 300, wherein the transverse fixing mechanism 300 is fixedly connected to the outer side surface of the fixing plate 103;

and a driving mechanism 200, wherein the driving mechanism 200 is arranged at the left and right ends of the upper surface of the base 102.

Referring to fig. 1 and 3, in particular, the driving mechanism 200 includes a docking bracket 211, the bottom of the docking bracket 211 is fixedly connected to the upper surface of the base 102, a second rail 210 is fixedly connected to the middle of the top of the docking bracket 211, an upper fixing block 209 is fixedly connected to the middle of the lower surface of the docking bracket 211, a power motor 207 is fixedly connected to the bottom of the upper fixing block 209, a third rotating shaft 206 is fixedly connected to the output end of the power motor 207, a second gear 205 is fixedly connected to one end of the third rotating shaft 206 away from the power motor 207, supporting blocks 203 are fixedly connected to the front and rear sides of the upper surface of the base 102 right below the docking bracket 211, a driving motor 204 is fixedly connected to the middle of the top of the supporting blocks 203, a second rotating shaft 202 is fixedly connected to the output end of the driving motor 204, a first gear 201 is fixedly connected to the middle of the second rotating shaft 202, one end of the second rotating shaft 202 away from the driving motor 204 is rotatably connected to the arc-shaped supporting base 110, the left end and the right end of the semicircular supporting seat 109 are fixedly connected with arc-shaped gear plates 208, the arc-shaped gear plates 208 extend upwards according to self arcs and are fixedly connected with the arch-shaped frame 101, the upper surfaces of the arc-shaped gear plates 208 are meshed with the second gear 205, and the lower surfaces of the arc-shaped gear plates 208 are meshed with the first gear 201;

when discharging, the power motor 207 rotates to drive the third rotating shaft 206 to rotate, and further drive the second gear 205 to rotate, the second gear 205 is meshed with the arc-shaped gear plate 208, and the two cooperate to rotate the arch frame 101 and the semicircular supporting seat 109, meanwhile, the driving motor 204 rotates to drive the second rotating shaft 202 to rotate, and further drive the first gear 201 to rotate, the first gear 201 is meshed with the arc-shaped gear plate 208, and the two cooperate to rotate the arch frame 101 and the semicircular supporting seat 109, and when the arch frame 101 and the semicircular supporting seat 109 are observed from the right side, the arch frame 101 and the semicircular supporting seat 109 rotate clockwise, so that when the rotating angles of the arch frame 101 and the semicircular supporting seat 109 are large enough, all coal in the arch frame 101 and the semicircular supporting seat 109 can be poured out by the fire carriage fixed on the arch frame 101 and the semicircular supporting seat 109, and then enter the coal bunker from the discharge port 107 at the rear side of the base 102;

when unloading is finished, the power motor 207 rotates reversely to drive the third rotating shaft 206 to rotate reversely and further drive the second gear 205 to rotate reversely, the second gear 205 is meshed with the arc-shaped gear plate 208, and the two cooperate to enable the arch-shaped frame 101 and the semicircular supporting seat 109 to rotate reversely, meanwhile, the driving motor 204 rotates reversely to drive the second rotating shaft 202 to rotate reversely and further enable the first gear 201 to rotate reversely, the first gear 201 is meshed with the arc-shaped gear plate 208, and the two cooperate to enable the arch-shaped frame 101 and the semicircular supporting seat 109 to rotate reversely, and the arch-shaped frame 101 and the semicircular supporting seat 109 rotate anticlockwise when viewed from the right side;

referring to fig. 1 and 6, the transverse fixing mechanism 300 includes a hydraulic machine 305, the rear side edges of the upper and lower surfaces of the hydraulic machine 305 are fixedly connected with a plurality of fixing legs 303, screw holes are formed through the front sides of the fixing legs 303, bolts 304 are connected in the screw holes in a threaded manner, the hydraulic machine 305 is fixedly connected to the surface of the fixing plate 103 through the fixing legs 303 and the bolts 304, the back side of the hydraulic machine 305 is slidably connected with a hydraulic rod 302, one end of the hydraulic rod 302, which is far away from the hydraulic machine 305, is fixedly connected with a stress plate 301, the hydraulic rod 302 penetrates through the fixing plate 103 through a square hole 104, and the plurality of transverse fixing mechanisms 300 are symmetrically distributed on the front side and the rear side of the semicircular supporting seat 109;

when the device is used, the hydraulic machines 305 drive the hydraulic rods 302 to be close to a train carriage, so that the stress plates 301 are close to the train carriage, and the hydraulic machines 305 are distributed on two sides of the train carriage uniformly, so that the train carriage can be fixed in the horizontal direction in cooperation with the hydraulic machines 305;

when the discharging is finished and the train carriage is restored to the original position, the hydraulic machine 305 drives the hydraulic rod 302 to be far away from the train carriage, so that the stress plate 301 is far away from the train carriage, and the train carriage is released from being fixed in the horizontal direction.

Referring to fig. 1 and 5, the pressing mechanism 400 includes an air cylinder 401, the air cylinder 401 is fixedly connected to the middle of the bottom of the support plate 106, an air rod 402 is slidably connected to the middle of the bottom of the air cylinder 401, a tripod 403 is fixedly connected to the bottom of the air rod 402, and a plurality of the pressing mechanisms 400 are symmetrically distributed on the left and right sides of the semicircular support seat 109;

when the device is used, the air cylinder 401 drives the air rod 402 to descend, so that the tripod 403 descends, the tripod 403 descends to a position tightly attached to the top of a train carriage, the train carriage is fixed from the vertical direction when the air cylinder 401 stops operating, and the train carriage cannot overturn uncontrollably due to rotation and toppling;

when the discharge is completed and the train car is returned to the original position, the air cylinder 401 drives the air rod 402 to ascend, so that the tripod 403 ascends, and the train car is released from the fixation in the vertical direction.

Referring to fig. 1, 3, 4 and 7, an L-shaped rod 501 is fixedly connected to the front edge of the right end of the semicircular supporting seat 109, and a limit switch 502 is fixedly connected to the top of the front side of the right arc-shaped supporting seat 110;

when the L-shaped rod 501 passes through the position of the limit switch 502, the first rail 108 and the second rail 210 are just closely spliced, when the discharging is completed, the L-shaped rod 501 moves upwards to leave the limit switch 502, and when the discharging is completed, the L-shaped rod 501 moves downwards, and when the L-shaped rod 501 passes through the limit switch 502, the driving mechanism 200 stops driving the arch 101 and the semicircular supporting seat 109 to rotate, and at this time, the first rail 108 and the second rail 210 are just closely spliced, and the running of the train carriage along the first rail 108 and the second rail 210 is not affected.

The top of the arc-shaped supporting seat 110 is provided with a notch, the notch is semicircular, the first rotating shafts 111 are arranged at equal intervals along the track of the notch, and the length of each semicircular supporting seat 109 is equal to the interval between the two arc-shaped supporting seats 110.

The rear side of the middle of the base 102 is provided with a discharge opening 107.

The discharging method for the coal bunker comprises the following steps:

s101: the whole unloader is placed near the coal bunker, and the discharge opening 107 corresponds to the feed inlet of the coal bunker;

s102: pushing the railway carriage to the middle of the top of the semicircular supporting seat 109 through the second rail 210 and the first rail 108;

s103: the train carriage is transversely fixed through a transverse fixing mechanism 300;

s104: the train compartment is fixed in the vertical direction by the pressing mechanism 400;

s105: the driving mechanism 200 enables the semicircular supporting seat 109 and the arch frame 101 to cooperatively rotate, and the rotating direction is clockwise when viewed from the right side;

s106: the coal mine in the train compartment is poured out and enters the coal bunker from the discharge port 107;

s107: after the unloading is completed, the fixing of the train carriage is released, and the train carriage is pushed away from the top of the semicircular supporting seat 109.

The working principle and the using process of the invention are as follows: by arranging the driving mechanism 200, the arch frame 101 and the semicircular supporting seat 109, the first gear 201 and the second gear 205 in the driving mechanism 200 and the arc-shaped gear plate 208 cooperate to enable the arch frame 101 and the semicircular supporting seat 109 to rotate, so that the train carriage fixed on the surface of the semicircular supporting seat 109 can incline, coal in the train carriage can be rapidly dumped out and enters the coal bunker, and by adopting the mode, when a large number of train carriages wait for unloading, the whole unloading process is very efficient, the unloading time is greatly shortened, the unloading efficiency is improved, the waiting time of workers is reduced, and the burden of the workers is reduced; through setting up L shape pole 501 and limit switch 502, when unloading and accomplishing, when semicircle supporting seat 109 resets, when L shape pole 501 and limit switch 502 contacted once more, semicircle supporting seat 109 stop motion to can guarantee that first rail 108 on the semicircle supporting seat 109 and second rail 210 butt joint department are more level and smooth, make the railway carriage along first rail 108 and second rail 210 motion can not receive the hindrance.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.