CN208918532U - A kind of auxiliary coal charging device for low seam coal mining machine - Google Patents

Abstract

The utility model discloses a kind of auxiliary coal charging device for low seam coal mining machine, including shell, the second shaft is fixedly connected with by fixed plate on the downside wall of the shell, buffer board is rotatably connected in second shaft, limiting slot is symmetrically offered in the buffer board, the surface of the buffer board symmetrically offers dashpot, is fixedly connected to slide bar in each dashpot, it is slidably connected on each slide bar there are two sliding block, is fixedly connected between two sliding blocks by second spring.The utility model, when coal cinder impinges upon on cowl, coal cinder can squeeze cowl, so that cowl is compressed into dashpot, so that rotating bar drives two sliding blocks are opposite to slide on slide bar, pulling force can be transformed into elastic potential energy by second spring, be buffered to cowl, and the impact force of coal cinder is avoided to lead to the damage of cowl.

Description

A kind of auxiliary coal charging device for low seam coal mining machine

Technical field

The utility model relates to coalcutter technical field more particularly to a kind of auxiliary coal charging device for low seam coal mining machine.

Background technique

Coalcutter is to realize one of coal production mechanization and the important equipment of modernization, can be big using coalcutter coal mining Big mitigation manual labor improves safety.

When coalcutter is walked along working face, by the helical blade and pick on roller, completes coal breakage and coaling.But by It is low in low seam mining machinery mining height, diameter of cylinder is small, when roller is mined using the reversed outward turning of usual manner with coalingging, because shaking Coal port very little below arm adopts the coal fallen and is difficult to put into transporter, so effect of loading coal is bad.

In order to improve effect of loading coal, roller is increasingly turned to using forward direction to rolling, and coal takes on from rocker arm front end face.This work The general front roll of mode plays coal breakage and coalings, and coal but does not coaling more than back roll cutting.Because low seam mining machinery roller is straight Diameter is small, and revolving speed is high, and a large amount of float coal can be gathered in the inboard between two rollers, and back roll is not coaling substantially, therefore overall dress Coal effect is also poor.

In view of the above-mentioned problems, publication number CN203891882U propose the utility model disclose a kind of low seam mining machinery and It assists coaling gear, and the auxiliary coaling gear includes auxiliary cowl, monaural hinged seat, circlip, round-link chain, ears bottom Seat, pin shaft；The auxiliary cowl can be rotated freely around pin shaft, and circlip is provided on pin shaft；Round-link chain both ends are separately connected On shearer ranging arm and auxiliary cowl；The monaural hinged seat and ears pedestal are fixed on the shell of rocker arm of coal mining machine, institute It states auxiliary cowl and is provided with ears hinged seat and ears pedestal, the ears hinged seat and monaural hinged seat are hinged by pin shaft Together；The utility model has the beneficial effects that: the utility model proposes low seam mining machinery and its auxiliary coaling gear, The effect of loading coal of roller is significantly improved, the labor intensity of thin seam working surface worker can be effectively reduced, improves certain open Adopt efficiency.The utility model is easy to operate, esy to use, safe and reliable.

However, there are still following problems in actual operation for the utility model: use cowl, cowl can by coal to It is pushed forward, coal cinder can generate bigger impact force to cowl, prolonged to impact meeting so that the surface generation of cowl is larger Deformation, and then lead to the damage of cowl, and then shorten the service life of cowl.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, such as: using cowl, cowl can With by coal, to being pushed forward, coal cinder can generate bigger impact force to cowl, it is prolonged impact meeting so that cowl surface Biggish deformation is generated, and then leads to the damage of cowl, and then shortens the service life of cowl.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of auxiliary coal charging device for low seam coal mining machine, including shell, it is solid by fixed plate on the downside wall of the shell Surely it is connected with the second shaft, buffer board is rotatably connected in second shaft, symmetrically offers limiting slot in the buffer board, The surface of the buffer board symmetrically offers dashpot, and slide bar, each cunning are fixedly connected in each dashpot It is slidably connected on bar there are two sliding block, is fixedly connected between two sliding blocks by second spring, on each sliding block Logical third shaft, which is crossed, is rotatably connected to rotating bar, and the other end of two rotating bars passes through the 4th shaft and is rotatably connected to Cowl is provided with limiting device on the cowl.

Preferably, the limiting device includes two gag lever posts, and two gag lever posts are symmetrical arranged, each limit One end of bar is fixedly connected on cowl.

Preferably, the other end of the gag lever post runs through the side wall of buffer board and is slidably connected in buffer board, each Fixture block is fixedly connected on the side wall of the gag lever post.

Preferably, each fixture block is slidably connected in limiting slot, and is fixedly connected on each fixture block One spring, each first spring are fixedly connected on the side wall of limiting slot.

Preferably, annular chains are rotatably connected to by first rotating shaft on the buffer board, the annular chains it is another One end is rotatably connected on the downside wall of shell.

Preferably, roller is provided on the downside wall of the shell, the surface of the roller is coated with erosion resistant coating.

Compared with prior art, the utility model has the beneficial effects that

1, when coal cinder impinges upon on cowl, coal cinder can squeeze cowl, so that cowl is compressed into dashpot, into And cowl can oppress two rotating bars, so that rotating bar drives, two sliding blocks are opposite to be slided on slide bar, meanwhile, two cunnings Block can elongate second spring, and pulling force can be transformed into elastic potential energy by second spring, buffer to cowl, avoid coal cinder Impact force leads to the damage of cowl；

2, when simultaneously, cowl is by impact force, gag lever post can be oppressed, so that gag lever post slides in buffer board, is driven Fixture block on gag lever post oppresses the first spring, and the first spring can be compressed the pressure transition of gag lever post into elastic potential energy, the first bullet Spring can have buffer function to gag lever post, and then have buffer function to cowl, and the impact force of coal cinder is avoided to lead to cowl Damage.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of auxiliary coal charging device for low seam coal mining machine positive structure schematic；

Fig. 2 is the enlarged diagram in Fig. 1 at A.

In figure: 1 buffer board, 2 first rotating shafts, 3 second shafts, 4 fixture blocks, 5 cowls, 6 annular chains, 7 shells, 8 rollers, 9 first springs, 10 limiting slots, 11 rotating bars, 12 slide bars, 13 second springs, 14 sliding blocks, 15 the 4th shafts, 16 gag lever posts, 17 are delayed Jet-bedding.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, a kind of auxiliary coal charging device for low seam coal mining machine, including shell 7 pass through on the downside wall of shell 7 Fixed plate is fixedly connected with the second shaft 3, and buffer board 1 is rotatably connected in the second shaft 3, passes through first turn on buffer board 1 Axis 2 is rotatably connected to annular chains 6, and the other end of annular chains 6 is rotatably connected on the downside wall of shell 7, the bottom side of shell 7 Roller 8 is provided on wall, the surface of roller 8 is coated with erosion resistant coating, has antisepsis to roller 8, and extend roller 8 uses the longevity Life.

Further, limiting slot 10 is symmetrically offered in buffer board 1, the surface of buffer board 1 symmetrically offers dashpot 17, Slide bar 12 is fixedly connected in each dashpot 17, being slidably connected on each slide bar 12, there are two sliding block 14, two sliding blocks It is fixedly connected between 14 by second spring 13, second spring 13 can be by the pressure transition of cowl 5 at elastic potential energy, to dress Coal plate 5 has buffer function, and logical third shaft, which is crossed, on each sliding block 14 is rotatably connected to rotating bar 11, two rotating bars 11 The other end passes through the 4th shaft 15 and is rotatably connected to cowl 5, and the other end of gag lever post 16 runs through the side wall of buffer board 1 simultaneously It is slidably connected in buffer board 1.

Finally, being fixedly connected to fixture block 4 on the side wall of each gag lever post 16, each fixture block 4 is slidably connected at limit In slot 10, the first spring 9 is fixedly connected on each fixture block 4, when cowl 5 oppresses gag lever post 16, so that gag lever post 16 is pressed Compel fixture block 4, so that fixture block 4 oppresses the first spring 9, the first spring 9 can be by the pressure transition of cowl 5 at elastic potential energy, to dress Coal plate 5 has buffer function, and each first spring 9 is fixedly connected on the side wall of limiting slot 10, is arranged on cowl 5 limited Position device, limiting device include two gag lever posts 16, and two gag lever posts 16 are symmetrical arranged, and one end of each gag lever post 16 is fixed to be connected It connects on cowl 5.

In the utility model, when user uses the device, when coal cinder impinges upon on cowl 5, coal cinder can squeeze dress Coal plate 5, so that cowl 5 is compressed into dashpot 17, and then cowl 5 can oppress two rotating bars 11, so that rotating bar 11 Drive two sliding blocks 14 are opposite to slide on slide bar 12, meanwhile, two sliding blocks 14 can elongate second spring 13, second spring Pulling force can be transformed into elastic potential energy by 13, buffer to cowl 5, the impact force of coal cinder is avoided to lead to the damage of cowl 5, Meanwhile cowl 5 by impact force when, gag lever post 16 can be oppressed, so that gag lever post 16 slides in buffer board 1, drive limit Fixture block 4 on bar 16 oppresses the first spring 9, and the first spring 9 can be compressed the pressure transition of gag lever post 16 into elastic potential energy, and first Spring 9 can have buffer function to gag lever post 16, and then have buffer function to cowl 5, and the impact force of coal cinder is avoided to cause The damage of cowl 5.The preferable specific embodiment of the above, only the utility model, but the protection model of the utility model Enclose and be not limited thereto, anyone skilled in the art within the technical scope disclosed by the utility model, according to The technical solution of the utility model and its utility model design are subject to equivalent substitution or change, should all cover in the utility model Within protection scope.

Claims (6)

1. a kind of auxiliary coal charging device for low seam coal mining machine, including shell (7), which is characterized in that the downside wall of the shell (7) It is upper to be fixedly connected with the second shaft (3) by fixed plate, it is rotatably connected to buffer board (1) on second shaft (3), it is described slow It is symmetrically offered in punching (1) limiting slot (10), the surface of the buffer board (1) symmetrically offers dashpot (17), Mei Gesuo It states in dashpot (17) and is fixedly connected to slide bar (12)；

There are two being slidably connected on each slide bar (12) sliding block (14), pass through the second bullet between two sliding blocks (14) Spring (13) is fixedly connected, and logical third shaft, which is crossed, on each sliding block (14) is rotatably connected to rotating bar (11), described in two The other end of rotating bar (11) passes through the 4th shaft (15) and is rotatably connected to cowl (5), is provided on the cowl (5) Limiting device.

2. a kind of auxiliary coal charging device for low seam coal mining machine according to claim 1, which is characterized in that the limiting device Including two gag lever posts (16), two gag lever posts (16) are symmetrical arranged, and one end of each gag lever post (16) is fixed to be connected It connects on cowl (5).

3. a kind of auxiliary coal charging device for low seam coal mining machine according to claim 2, which is characterized in that the gag lever post (16) the other end runs through the side wall of buffer board (1) and is slidably connected in buffer board (1), each gag lever post (16) Fixture block (4) are fixedly connected on side wall.

4. a kind of auxiliary coal charging device for low seam coal mining machine according to claim 3, which is characterized in that each fixture block (4) it is slidably connected in limiting slot (10), is fixedly connected to the first spring (9) on each fixture block (4), it is each described First spring (9) is fixedly connected on the side wall of limiting slot (10).

5. a kind of auxiliary coal charging device for low seam coal mining machine according to claim 1, which is characterized in that the buffer board (1) it is rotatably connected to annular chains (6) by first rotating shaft (2) on, the other end of the annular chains (6) is rotatablely connected On the downside wall of shell (7).

6. a kind of auxiliary coal charging device for low seam coal mining machine according to claim 1, which is characterized in that the shell (7) Downside wall on be provided with roller (8), the surface of the roller (8) is coated with erosion resistant coating.