CN220148282U - Floor section structure of reversed loader - Google Patents

Abstract

The utility model belongs to the technical field of coal mining equipment, and particularly relates to a floor section structure of a reversed loader, which comprises a floor section chute in butt joint with an unloading port chute, wherein two tops of two sides of the floor section chute are respectively and fixedly connected with a vertical plate, the tops of the vertical plates are fixedly connected with a cover plate, a coal block crushing mechanism is arranged on the cover plate, the coal block crushing mechanism is a screw rod, the screw rod is rotationally connected with the cover plate, a thread is arranged on the screw rod, saw teeth are arranged on the thread to realize crushing, the screw rod itself realizes the function of a screw conveyor, and crushed coal blocks are transferred to a lateral neutral position.

Description

Floor section structure of reversed loader

Technical Field

The utility model belongs to the technical field of coal mining equipment, and particularly relates to a floor section structure of a reversed loader.

Background

The scraper conveyor sequentially comprises a machine head, a suspended section groove body, a climbing section groove body, a floor section groove body, an unloading port groove body, a machine tail, scraper chains and the like, wherein chain wheel shaft groups are arranged on the machine head and the machine tail to support the scraper chains in a closed loop. The chain wheel shaft group is a power transmission component, and transmits the power provided by the power part to the scraper chain, so that the whole pair of scraper chains rotates in a circulating and reciprocating mode. The tail of the transfer conveyor and the chute of the unloading port receive the coal unloaded by the scraper machine head. The coal is sequentially discharged onto the belt conveyor from the tail of the transfer conveyor through the discharge port groove body, the floor section groove body, the crusher, the climbing section groove body, the suspension section groove body and the machine head.

The coal unloaded to the reversed loader on the scraper machine is directly cut by the coal mining machine, a plurality of large-sized coal and gangue are contained, the large-sized coal is unloaded from the other side by an unloading port groove body (as shown in figure 1, one side is provided with a vertical plate, the coal is unloaded from the other side without a top sealing plate), when the large-sized coal enters a floor section groove body (which is closed, both sides are provided with vertical plates, and the top is provided with the top sealing plate), the large-sized coal sometimes gets blocked, the top sealing plate is upwards bent, and the two side vertical plates are stretched and deformed towards the middle.

In order to solve the above-mentioned problems, CN202022782929.8 proposes an auxiliary crushing device for a reversed loader, in which a row of crushing teeth are provided on a top plate at a coal inlet of a chute body of a floor section to crush coal above a top plate, in actual use, the applicant found that, as shown in fig. 1, since coal is fed from a side having no riser when entering the chute body of an unloading opening, and is piled up on a side having no riser, the side having no riser is relatively neutral, during transportation, only the crushing teeth on the piled up side operate, and most of crushed coal rolls backward, and only a part rolls sideways to a side having the neutral, so improvement is proposed.

Disclosure of Invention

In order to solve the problems, the utility model provides a floor section structure of a reversed loader.

The object of the utility model is achieved in the following way: the utility model provides a reversed loader floor section structure, includes floor section chute 1 with the butt joint of uninstallation mouth chute 2, a riser of fixed connection respectively in floor section chute 1 both sides top, riser top fixed connection apron 3 sets up coal cinder block crushing mechanism on the apron 3, coal cinder block crushing mechanism is screw rod 31, and screw rod 31 rotates with apron 3 to be connected, sets up screw thread 311 on the screw rod 31, sets up sawtooth 312 on the screw thread 311.

Further, the top of one side of the unloading port chute 2 is fixedly connected with a coal blocking side vertical plate 21, a vertical plate on the same side as the coal blocking side vertical plate 21 in the vertical plates of the floor section chute 1 is a coal stacking side vertical plate 11, and a sawtooth 312 is arranged on a screw thread 311, which is close to the coal stacking side vertical plate 11, on the screw 31.

Further, the two ends of the screw 31 are respectively fixed with a connecting pin 313, two sides of the cover plate 3 respectively extend downwards to form a connecting plate, and two sides of the connecting plate are respectively provided with a shaft hole matched with the pin 313.

Further, the connecting plate is fixedly connected with the machine body of the motor 5, the output shaft of the motor 5 is connected with the input end of the reduction gearbox 4, the output end of the reduction gearbox 4 is connected with the pin shaft 313, and the reduction gearbox 4 is fixedly connected with the connecting plate.

The reversed loader floor section structure of claim 4, wherein: the motor 5 and the reduction gearbox 4 are fixedly connected to a connecting plate at one side far away from the coal piling side vertical plate 11.

Compared with the prior art, the utility model improves the crushing mechanism into the screw, the screw is provided with the saw teeth to realize crushing, the screw itself realizes the function of the screw conveyor, and the crushed coal blocks are transferred to the lateral neutral position.

Drawings

FIG. 1 is a working state diagram of a scraper conveyor unloading port trough body;

FIG. 2 is a working state diagram of the floor section tank body of the present utility model;

FIG. 3 is a schematic view of the structure of the screw;

fig. 4 is a bottom view of the cover plate.

The coal pile comprises a floor section chute 1, a coal pile side vertical plate 11, a neutral gear side vertical plate 12, an unloading port chute 2, a coal baffle side vertical plate 21, a cover plate 3, a screw 31, threads 311, saw teeth 312, a pin shaft 313, a reduction gearbox 4, a motor 5 and hanging lugs 6.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used for convenience of description and for simplifying the description only with respect to the orientation or positional relationship shown in the drawings, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

As shown in fig. 1, the unloading opening trough body 2 is semi-open, one side is provided with a coal blocking side vertical plate 21, coal is unloaded from the other side,

when the coal enters the unloading port trough body 2, the coal is fed from the side without the coal blocking side vertical plate 21 and is piled up on the side with the coal blocking side vertical plate 21, and the side without the vertical plate is relatively neutral, which belongs to the prior art.

As shown in figure 2, the floor section structure of the reversed loader comprises a floor section chute 1 which is in butt joint with an unloading port chute 2, wherein two side tops of the floor section chute 1 are respectively and fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a cover plate 3, a coal block crushing mechanism is arranged on the cover plate 3, the coal block crushing mechanism is a screw rod 31, the screw rod 31 is rotationally connected with the cover plate 3, threads 311 are arranged on the screw rod 31, and saw teeth 312 are arranged on the threads 311.

The crushing mechanism is improved to be a screw 31, the screw 31 is provided with saw teeth 312 to realize crushing, the screw 31 itself realizes the function similar to a screw conveyor, and crushed coal blocks are transferred to a lateral neutral position.

In detail, the direction of the screw 31 is arranged such that the head-on coal flow drives the screw 31 to rotate, the coal is pushed from the coal piling side to the non-coal piling side, and the screw thread on the screw 31 has a certain pitch, which can be set with reference to the pitch of the screw conveyor and the ratio of the screw in the prior art.

During the working process, the top of the coal pile collides with the screw 31 in the transportation process, the coal pile is broken by the saw teeth 312 to form small coal blocks, the rest coal pile continues to advance, friction is generated between the top of the coal pile and the screw 31 to drive the screw 31 to rotate, and at the moment, the small coal blocks enter the interval of the threads 311 and are transferred to one side of the neutral position along with the rotation of the screw 31.

Further, as shown in fig. 3, the top of one side of the unloading port chute 2 is fixedly connected with a coal blocking side vertical plate 21, a vertical plate on the same side as the coal blocking side vertical plate 21 in the vertical plates of the floor section chute 1 is a coal stacking side vertical plate 11, and a sawtooth 312 is arranged on a screw thread 311, which is close to the coal stacking side vertical plate 11, on the screw 31.

The partial screw thread 311 is provided with the saw teeth 312 to reduce the processing cost, and is particularly arranged on the coal stacking side, preferably, the saw teeth 312 are arranged on 40% -80% of the screw thread 311 close to the vertical plate 11 on the coal stacking side.

Further, the two ends of the screw 31 are respectively fixed with a connecting pin 313, and the two sides of the cover plate 3 respectively extend downwards to form a U shape, and the two sides of the connecting plate are respectively provided with a shaft hole matched with the pin 313, that is, the two ends of the screw 31 are rotatably connected between the two connecting plates through the pin 313.

Further, as shown in fig. 4, the connecting plate is fixedly connected with the machine body of the motor 5, the output shaft of the motor 5 is connected with the input end of the reduction gearbox 4, the output end of the reduction gearbox 4 is connected with the pin shaft 313 (through a coupling), the reduction gearbox 4 is fixedly connected with the connecting plate, a set of driving mechanism is provided, the screw 31 can actively rotate, a better small coal block transferring effect is achieved, preferably, the reduction gearbox 4 is arranged outside the connecting plate, the motor 5 is arranged inside the connecting plate and located behind the screw 31, and the top of the cover plate 3 extends out of the protection plate towards two sides, so that the motor 5 and the reduction gearbox 4 are prevented from being damaged by external environment and coal flow.

Further, the motor 5 and the reduction gearbox 4 are fixedly connected to a connecting plate at one side far away from the coal stacking side vertical plate 11, so that the motor 5 and the reduction gearbox 4 are further prevented from being damaged by coal flow.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.

Claims (5)

1. The utility model provides a reversed loader floor section structure, includes floor section chute (1) with unloading port chute (2) butt joint, and floor section chute (1) both sides top is a fixed connection riser respectively, riser top fixed connection apron (3), sets up coal cinder block crushing mechanism on apron (3), its characterized in that: the coal briquette crushing mechanism is a screw rod (31), the screw rod (31) is rotationally connected with the cover plate (3), threads (311) are arranged on the screw rod (31), and sawteeth (312) are arranged on the threads (311).

2. A reversed loader floor section structure as defined in claim 1, wherein: the top of one side of the unloading port chute (2) is fixedly connected with a coal blocking side vertical plate (21), a vertical plate on the same side as the coal blocking side vertical plate (21) in the vertical plate of the floor section chute (1) is a coal stacking side vertical plate (11), and sawteeth (312) are arranged on threads (311) on the screw rod (31) close to the coal stacking side vertical plate (11).

3. A reversed loader floor section structure as defined in claim 1, wherein: the two ends of the screw rod (31) are respectively fixedly connected with a pin shaft (313), two sides of the cover plate (3) respectively extend downwards to form a connecting plate, and two sides of the connecting plate are respectively provided with shaft holes matched with the pin shafts (313).

4. A reversed loader floor section structure as claimed in claim 3, wherein: the connecting plate is fixedly connected with the machine body of the motor (5), an output shaft of the motor (5) is connected with the input end of the reduction gearbox (4), the output end of the reduction gearbox (4) is connected with the pin shaft (313), and the reduction gearbox (4) is fixedly connected with the connecting plate.

5. The reversed loader floor section structure of claim 4, wherein: the motor (5) and the reduction gearbox (4) are fixedly connected to a connecting plate at one side far away from the coal piling side vertical plate (11).