阅读说明：本技术 采煤机破碎装置和采煤机 (Coal mining machine crushing device and coal mining machine ) 是由 柯昌青 赵庆禹 高宝全 于 2020-04-16 设计创作，主要内容包括：本发明提供了一种采煤机破碎装置和采煤机,其中,采煤机破碎装置包括：连接耳座,连接耳座用于与采煤机连接；破碎部,与连接耳座转动连接；驱动装置,驱动装置与连接耳座转动连接并与破碎部连接,驱动装置用于调节破碎部的高度,其中,驱动装置上设有缓冲件,缓冲件用于缓冲驱动装置所受到的冲击力。该采煤机破碎装置,通过在驱动装置上设置缓冲件,缓冲件可以对驱动装置起到缓冲保护作用,这样,当破碎部破碎大块煤岩时,缓冲件可以起到减震作用,防止驱动装置因大块煤岩掉落时产生的冲击力造成损坏,提高了驱动装置的使用寿命,保证了采煤机破碎装置操作运行时的稳定性。(The invention provides a coal mining machine crushing device and a coal mining machine, wherein the coal mining machine crushing device comprises: the connecting lug seat is used for being connected with a coal mining machine; the crushing part is rotationally connected with the connecting lug seat; the driving device is rotatably connected with the connecting lug seat and connected with the crushing part, and is used for adjusting the height of the crushing part, wherein the driving device is provided with a buffer part which is used for buffering the impact force applied to the driving device. This coal-winning machine breaker through set up the bolster on drive arrangement, the bolster can play the buffering guard action to drive arrangement, and like this, when broken bold coal petrography of broken portion, the bolster can play the cushioning effect, prevents that drive arrangement from causing the damage because of the impact force that produces when bold coal petrography drops, has improved drive arrangement's life, has guaranteed the stability when coal-winning machine breaker operates.)

1. A coal mining machine crushing device, comprising:

the connecting lug seat is used for being connected with a coal mining machine;

the crushing part is rotationally connected with the connecting lug seat;

drive arrangement, drive arrangement with connect the ear seat rotate to be connected and with broken portion connects, drive arrangement is used for adjusting the height of broken portion, wherein, the last bolster that is equipped with of drive arrangement, the bolster is used for the buffering the impact force that drive arrangement received.

2. The shearer breaking device of claim 1,

the driving device is positioned below the crushing part;

one side of the crushing part, which is close to the driving device, is provided with a connecting seat, and the driving device is connected with the connecting seat.

3. The shearer breaking device of claim 1 or 2,

the driving device comprises a driving piece and a connecting rod connected with the driving piece, wherein the driving piece is rotatably connected with the connecting lug seat, the connecting rod is connected with the crushing part, and the buffer piece is arranged on the connecting rod.

4. The shearer breaking device of claim 3,

the connecting rod is provided with a flat key and a cushion block connected with the flat key, the cushion block is positioned between the connecting rod and the crushing part, a limiting groove is formed between the connecting rod and the crushing part, and at least part of the buffer piece is positioned in the limiting groove.

5. The shearer breaking device of claim 4,

the buffer piece comprises a disc spring, the disc spring is sleeved on the connecting rod, and at least part of the disc spring is located in the limiting groove.

6. The shearer breaking device of claim 4,

the buffer piece comprises a rubber pad, and the rubber pad is arranged on the connecting rod and is positioned in the limiting groove.

7. The shearer breaking device of claim 3,

the driving piece comprises a heightening oil cylinder, and the connecting rod is detachably connected with the heightening oil cylinder.

8. The shearer breaking device of claim 7,

the connecting rod is provided with a first connecting hole, the heightening oil cylinder is provided with a second connecting hole, and a first pin shaft penetrates through the first connecting hole and the second connecting hole, so that the connecting rod is connected with the heightening oil cylinder.

9. The shearer breaking device of claim 1 or 2,

the crushing part is rotationally connected with the connecting lug seat through a second pin shaft;

the driving device is rotationally connected with the connecting lug seat through a third pin shaft.

10. A coal mining machine, characterized by comprising:

the shearer breaker apparatus of any one of claims 1 to 9; and

the connecting lug seat of the coal mining machine crushing device is connected with the machine body.

Technical Field

The invention relates to the technical field of coal mining machines, in particular to a crushing device of a coal mining machine and the coal mining machine comprising the crushing device of the coal mining machine.

Background

At present, in the process of mining a fully mechanized mining working face of a thick coal seam, the coal drop amount is large, and a lot of coal rocks contain large blocks, if the large blocks cannot be crushed, the normal transportation of the working face is influenced, and even the safety production of the whole coal mine is influenced. In order to solve the problem, the lump coal is mostly crushed by a crushing mechanism at present so that the coal flow smoothly passes through the bottom of a machine body of the coal mining machine, the height of the crushing mechanism is mainly adjusted by a driving device, but when a large lump coal rock is smashed on the crushing mechanism, a large impact force is generated instantly, and the driving device is often damaged.

Disclosure of Invention

In order to solve at least one of the above technical problems, an object of the present invention is to provide a crushing apparatus for a shearer loader.

Another object of the present invention is to provide a shearer loader comprising the above shearer loader crushing device.

In order to achieve the above object, a first aspect of the present invention provides a crushing device for a coal mining machine, including: the connecting lug seat is used for being connected with a coal mining machine; the crushing part is rotationally connected with the connecting lug seat; drive arrangement, drive arrangement with connect the ear seat rotate to be connected and with broken portion connects, drive arrangement is used for adjusting the height of broken portion, wherein, the last bolster that is equipped with of drive arrangement, the bolster is used for the buffering the impact force that drive arrangement received.

The crushing device of the coal mining machine provided by the technical scheme of the first aspect of the invention comprises a connecting lug seat, a crushing part and a driving device. The connecting lug seat is used for being connected with a coal mining machine, the crushing part is rotatably connected with the connecting lug seat and used for crushing large coal rocks, so that coal flow smoothly passes through the bottom of a machine body of the coal mining machine, one end of the driving device is rotatably connected with the connecting lug seat, the other end of the driving device is connected with the crushing part, the height of the crushing part can be adjusted when the driving device operates, so that the large coal rocks of the crushing part are crushed, the buffer part is arranged on the driving device and can play a role in buffering and protecting the driving device, therefore, when the large coal rocks of the crushing part are crushed, the buffer part can play a role in damping, the driving device is effectively prevented from being damaged due to impact force generated when the large coal rocks fall, the service life of the driving device is prolonged, and the stability of the crushing device during operation is ensured.

In addition, the crushing device of the coal mining machine in the technical scheme provided by the invention also has the following additional technical characteristics:

in the above technical solution, the driving device is located below the crushing section; one side of the crushing part, which is close to the driving device, is provided with a connecting seat, and the driving device is connected with the connecting seat.

Through locating drive arrangement in the below of crushing portion, then when drive arrangement drive crushing portion relatively connect the ear seat and rotate from top to bottom, just can realize the adjustment of the high position of crushing portion, help improving the efficiency of crushing portion position control. Through set up the connecting seat in one side that broken portion is close to drive arrangement, be connected drive arrangement and connecting seat to help improving reliability and stability that drive arrangement and broken portion are connected, and then help improving the stability of drive arrangement drive broken portion motion.

In any one of the above technical solutions, the driving device includes a driving member and a connecting rod connected to the driving member, wherein the driving member is rotatably connected to the connecting lug, the connecting rod is connected to the crushing portion, and the buffer member is disposed on the connecting rod.

The driving device comprises a driving piece (such as an oil cylinder or a motor) and a connecting rod connected with the driving piece, wherein the driving piece is connected with the connecting lug seat in a rotating mode, the connecting rod is connected with the crushing part, the driving piece moves through the driving connecting rod to drive the crushing part to rotate relative to the connecting lug seat, so that the height position is adjusted, and the structure and the principle are simple and easy to achieve.

In the above technical scheme, the connecting rod is provided with a flat key and a cushion block connected with the flat key, the cushion block is located so that a limiting groove is formed between the connecting rod and the crushing part, and the buffer part is at least partially located in the limiting groove.

Be equipped with the parallel key on the connecting rod and with the cushion that the parallel key is connected, through locating the cushion between connecting rod and the broken portion for be formed with the spacing groove between connecting rod and the broken portion, the bolster is at least partially located the spacing inslot, and the spacing groove plays spacing and guard action, prevents that the bolster from breaking away from the connecting rod, helps improving the stability and the reliability of bolster installation simultaneously.

In the above technical solution, the buffer member includes a disc spring, the disc spring is sleeved on the connecting rod, and at least part of the disc spring is located in the limiting groove.

The bolster includes the dish spring, establishes on the connecting rod through the dish spring cover, and the dish spring has buffering absorbing effect to play protection drive arrangement's effect, prevent that the impact force of bold coal petrography from damaging drive arrangement, locate the spacing inslot through will at least part dish spring, can prevent that the dish spring from breaking away from the connecting rod, guaranteed the reliability of dish spring installation, and help improving dish spring shock attenuation effect.

In any one of the above technical solutions, the buffer member includes a rubber pad, and the rubber pad is disposed on the connecting rod and located in the limiting groove.

The buffer piece comprises a rubber pad, the rubber pad is arranged on the connecting rod and located in the limiting groove, the stability and the reliability of installation of the rubber pad are guaranteed, the rubber pad has a damping effect, and the risk that the driving device is damaged due to the large impact force of the large coal rocks is effectively reduced.

Of course, the buffer member may be a spring or other structural member having a buffering effect.

In any one of the above technical solutions, the driving member includes a height-adjusting oil cylinder, and the connecting rod is detachably connected to the height-adjusting oil cylinder.

The driving piece comprises a heightening oil cylinder, the connecting rod and the heightening oil cylinder are detachably connected, so that the installation and the disassembly are convenient, the connecting rod and any one of the heightening oil cylinders are convenient to maintain and replace, and the maintenance efficiency of a product is improved.

In the technical scheme, the connecting rod is provided with a first connecting hole, the heightening oil cylinder is provided with a second connecting hole, and the first pin shaft penetrates through the first connecting hole and the second connecting hole, so that the connecting rod is connected with the heightening oil cylinder.

Through set up first connecting hole on the connecting rod, set up the second connecting hole on heightening the hydro-cylinder, then when the connecting rod was assembled with heightening the hydro-cylinder, first round pin axle pass first connecting hole and second connecting hole can, improved the assembly efficiency of connecting rod with heightening the hydro-cylinder, convenient to detach again simultaneously, easily maintenance is changed.

In any of the above technical solutions, the crushing part is rotatably connected with the connecting lug seat through a second pin shaft; the driving device is rotationally connected with the connecting lug seat through a third pin shaft.

The technical scheme of the second aspect of the invention provides a coal mining machine, which comprises: the coal mining machine crushing device in any one of the technical solutions of the first aspect; and the connecting lug seat of the coal mining machine crushing device is connected with the machine body.

The coal mining machine provided by the technical scheme of the second aspect of the invention comprises the crushing device of the coal mining machine in any one of the technical schemes of the first aspect, so that all the beneficial effects of any one of the technical schemes are achieved, and the details are not repeated herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a crushing device of a coal mining machine according to an embodiment of the invention;

fig. 2 is a block diagram schematically illustrating a structure of a coal mining machine according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

1, a coal mining machine crushing device, 10 connecting lug seats, 20 crushing parts, 201 connecting seats, 301 heightening oil cylinders, 302 connecting rods, 303 flat keys, 304 cushion blocks, 40 disc springs, 50 limiting grooves, 60 first pin shafts, 70 second pin shafts, 80 third pin shafts, 2 coal mining machines and 21 machine bodies.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A shearer breaker device and shearer loader according to some embodiments of the invention are described below with reference to fig. 1 and 2.