阅读说明：本技术 刮板运输装置 (Scraper conveyer ) 是由 李忠豹 胡方海 樊志家 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种刮板运输装置,涉及采矿设备技术领域,主要目的是避免因泥化物堆积变硬而引发的运输链松动,发生卡链、跳链等事故,以提高工作效率。本发明的主要技术方案为：该刮板运输装置包括溜槽,所述溜槽内设置有压链板；从动轮,所述从动轮包括可转动且表面平滑的筒体；刮板链,所述刮板链套设于所述筒体的外部,且位于所述溜槽中,所述刮板链包括刮板,所述刮板的长度与所述溜槽的宽度相适配,所述刮板的端部与所述溜槽的侧壁相接触,所述刮板的底部与所述溜槽的底壁相接触,所述刮板的端部位于所述压链板的下方。(The invention discloses a scraper conveyer, relates to the technical field of mining equipment, and mainly aims to avoid accidents of loosening of a conveyer chain, chain blocking, chain jumping and the like caused by accumulation and hardening of argillized matters so as to improve the working efficiency. The main technical scheme of the invention is as follows: the scraper plate conveying device comprises a chute, wherein a chain pressing plate is arranged in the chute; the driven wheel comprises a barrel body which can rotate and has a smooth surface; scrape the scraper chain, scrape the scraper chain cover and locate the outside of barrel, and be located in the chute, it includes the scraper blade to scrape the scraper chain, the length of scraper blade with the width looks adaptation of chute, the tip of scraper blade with the lateral wall of chute contacts, the bottom of scraper blade with the diapire of chute contacts, the tip of scraper blade is located press the below of link joint.)

1. A flight transport device, comprising:

the chute is internally provided with a chain pressing plate;

the driven wheel comprises a barrel body which can rotate and has a smooth surface;

scrape the scraper chain, scrape the scraper chain cover and locate the outside of barrel, and be located in the chute, it includes the scraper blade to scrape the scraper chain, the length of scraper blade with the width looks adaptation of chute, the tip of scraper blade with the lateral wall of chute contacts, the bottom of scraper blade with the diapire of chute contacts, the tip of scraper blade is located press the below of link joint.

2. The flight transport apparatus of claim 1,

the driven wheel also comprises a wheel shaft;

and two ends of the cylinder are respectively and rotatably connected with the wheel shaft through at least two bearings.

3. The flight transport apparatus of claim 1,

the scraper chain also comprises a chain;

the chain is connected with the scraper through the fixing part.

4. The flight transport apparatus of claim 3,

the fixing part comprises a first through hole which is arranged at the end part of the scraper and penetrates through two side surfaces of the scraper, and a notch or a second through hole which is arranged at the end part of the scraper and penetrates through two surfaces of the scraper;

the first through hole is communicated with the notch or the second through hole;

the chain penetrates through the opening or the second through hole;

a pin body is inserted into the first through hole and penetrates through a chain ring of the chain.

5. The flight transport apparatus of claim 2,

a filling space is arranged between the cylinder and the wheel shaft, the filling space is a sealed space, and lithium-based grease is filled in the sealed space.

6. The flight transport apparatus of claim 2,

the barrel is provided with a grease injection hole communicated with the sealing space, and a sealing cover is buckled on the grease injection hole.

7. The flight transport apparatus of claim 5,

and a sealing mechanism is arranged between the cylinder and the end part of the wheel shaft, so that the inner wall of the cylinder, the outer wall of the wheel shaft and the sealing mechanism enclose the sealing space.

8. The flight transport apparatus of claim 7,

the sealing mechanism includes:

the first connecting piece is annular and is sleeved at the end part of the barrel, and a first annular step is arranged on the outer wall of the first connecting piece in the circumferential direction;

the second connecting piece is annular and is sleeved at the end part of the first connecting piece, a second annular step is arranged on the inner wall of the second connecting piece in the circumferential direction, and the first annular step and the second annular step are opposite to each other and form an installation space;

a seal ring disposed in the mounting space;

the end part of the cylinder body is connected with the second connecting piece.

9. The flight transport apparatus of claim 8,

the second connecting piece is disc-shaped, and the outer diameter of the second connecting piece is larger than that of the cylinder;

a limiting space is formed between the two second connecting pieces at the two ends of the cylinder body;

the scraper chain is located in the limiting space.

Technical Field

The invention relates to the technical field of mining equipment, in particular to a scraper conveying device.

Background

With the continuous improvement of the mechanization degree of coal mine equipment, large-scale traction mobile equipment such as a heading machine and the like is widely applied to underground coal mine operation with the advantages of energy conservation, environmental protection, high integrated control degree and the like. The driven wheel is positioned on a shovel plate of the heading machine and is an important component of the loading and transporting device of the heading machine.

At present, scraper conveyor's both ends from the driving wheel are provided with the boss, be fluted on the boss, the scraper blade is located between two bosss and cooperatees with the recess, make the scraper blade in the chute and the lateral wall of chute between the distance great, bottom surface area of contact with the chute is less, and, the scraper blade is still in the outside of pressing the link joint, thereby lead to the argillized thing that the cutting in-process produced to glue easily in the groove department from the driving wheel boss, and the root of chute bottom and chute wall, and the scraper blade can not clear up the argillized thing well, long-time back of using, argillized thing piles up the sclerosis, receive the impact load influence, it is not hard up often to cause the conveying chain, take place the card chain, accident such as jump the chain, and also can increase thereupon from.

Disclosure of Invention

The embodiment of the invention provides a scraper conveyer, and mainly aims to avoid accidents of chain blocking, chain jumping and the like caused by loosening of a conveyer chain due to accumulation and hardening of argilliferous materials so as to improve the working efficiency.

In order to achieve the purpose, the invention mainly provides the following technical scheme:

the embodiment of the invention provides a scraper plate conveying device, which comprises:

the chute is internally provided with a chain pressing plate;

the driven wheel comprises a barrel body which can rotate and has a smooth surface;

scrape the scraper chain, scrape the scraper chain cover and locate the outside of barrel, and be located in the chute, it includes the scraper blade to scrape the scraper chain, the length of scraper blade with the width looks adaptation of chute, the tip of scraper blade with the lateral wall of chute contacts, the bottom of scraper blade with the diapire of chute contacts, the tip of scraper blade is located press the below of link joint.

Further, the driven wheel further comprises a wheel shaft;

and two ends of the cylinder are respectively and rotatably connected with the wheel shaft through at least two bearings.

Further, the scraper chain also comprises a chain;

the chain is connected with the scraper through the fixing part.

Furthermore, the fixing part comprises a first through hole which is arranged at the end part of the scraper and penetrates through two side surfaces of the scraper, and a notch or a second through hole which is arranged at the end part of the scraper and penetrates through two surfaces of the scraper;

the first through hole is communicated with the notch or the second through hole;

the chain penetrates through the opening or the second through hole;

a pin body is inserted into the first through hole and penetrates through a chain ring of the chain.

Furthermore, a filling space is arranged between the cylinder and the wheel shaft, the filling space is a sealed space, and the sealed space is filled with lithium-based grease.

Furthermore, the barrel is provided with a grease injection hole communicated with the sealing space, and a sealing cover is buckled on the grease injection hole.

Further, a sealing mechanism is arranged between the cylinder and the end part of the wheel shaft, so that the sealing space is defined by the inner wall of the cylinder, the outer wall of the wheel shaft and the sealing mechanism.

Further, the sealing mechanism includes:

the first connecting piece is annular and is sleeved at the end part of the barrel, and a first annular step is arranged on the outer wall of the first connecting piece in the circumferential direction;

the second connecting piece is annular and is sleeved at the end part of the first connecting piece, a second annular step is arranged on the inner wall of the second connecting piece in the circumferential direction, and the first annular step and the second annular step are opposite to each other and form an installation space;

a seal ring disposed in the mounting space;

the end part of the cylinder body is connected with the second connecting piece.

Further, the second connecting piece is disc-shaped, and the outer diameter of the second connecting piece is larger than that of the cylinder;

a limiting space is formed between the two second connecting pieces at the two ends of the cylinder body;

the scraper chain is located in the limiting space.

By means of the technical scheme, the invention at least has the following beneficial effects:

according to the scraper conveying device provided by the embodiment of the invention, the surface of the barrel body of the driven wheel is set to be a smooth surface, so that the length of the scraper can be matched with the width of the chute, the end part of the scraper can be contacted with the side wall of the chute, the bottom of the scraper is contacted with the bottom wall of the chute, namely, no gap exists between the scraper and the bottom wall of the chute and between the scraper and the root of the side wall, the contact area between the scraper and the bottom of the chute is larger, and further, the scraper can well clean the argillized matters adhered to the bottom of the chute and the root of the side wall in the cutting process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a relative positional relationship between a chute and a scraper in a scraper transportation device provided by an embodiment of the invention;

FIG. 2 is a schematic view of the blade of FIG. 1;

FIG. 3 is a schematic structural diagram of a relative position relationship between a scraper and a driven wheel in a scraper transportation device according to an embodiment of the present invention;

FIG. 4 is a schematic view of the driven wheel of FIG. 3;

FIG. 5 is a schematic view of the interconnection between the first connector, the second connector and the axle of FIG. 4;

fig. 6 is a schematic structural diagram of a scraper chain in a scraper conveyer according to an embodiment of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in fig. 1 and 3, an embodiment of the present invention provides a scraper conveyor, including a chute 1, in which a scraper chain plate 11 is arranged; a driven wheel 2 including a cylinder 21 which is rotatable and has a smooth surface; the scraper chain 3 is sleeved outside the cylinder body 21 and located in the chute 1, the scraper chain 3 comprises a scraper 31, the length of the scraper 31 is matched with the width of the chute 1, the end part of the scraper 31 is in contact with the side wall of the chute 1, the bottom of the scraper 31 is in contact with the bottom wall of the chute 1, and the end part of the scraper 31 is located below the scraper chain plate 11.

In the scraper 31 conveying device, the number of the pressing chain plates 11 can be two, and the pressing chain plates 11 can be symmetrically arranged on the opposite inner side walls of the chute 1, and particularly in implementation, the specific structure of the pressing chain plates 11 can be selected in the prior art, and the detailed structure is not described in detail here. The two ends of the scraper 31 can be respectively positioned below the two chain pressing plates 11 to ensure that the scraper 31 chain 3 does not jump. Moreover, follow driving wheel 2 can install on the shovel board of entry driving machine, and can be located the one end of chute, because the barrel 21 surface of following driving wheel 2 is smooth surface, there is not structure such as boss in the surface of barrel 21 promptly, make the both ends of scraper blade 31 can extend to the both ends of barrel 21 respectively, the length of scraper blade 31 has been increased promptly, make the length of scraper blade 31 can with the length of barrel 21 and the width looks adaptation of chute 1, thereby make the both ends of scraper blade 31 can contact with the both sides wall of chute 1, the bottom of scraper blade 31 contacts with the diapire of chute 1, and then clear away the material and the argillization thing of chute 1 bottom and lateral wall root with high efficiency.

The scraper 31 conveying device provided by the embodiment of the invention has the advantages that the surface of the cylinder body 21 of the driven wheel 2 is set to be a smooth surface, so that the length of the scraper 31 can be matched with the width of the chute 1, the end part of the scraper 31 can be contacted with the side wall of the chute 1, the bottom of the scraper 31 is contacted with the bottom wall of the chute 1, namely, no gap exists between the scraper 31 and the bottom wall of the chute 1 and between the scraper 31 and the root part of the side wall, the contact area between the scraper 31 and the bottom of the chute 1 is larger, the scraper 31 can well clean mud matters adhered to the bottom of the chute 1 and the root part of the side wall in the cutting process, in addition, the end part of the scraper 31 is also positioned below the chain pressing plate 11, the phenomena of loosening of a conveying chain, chain blocking, chain jumping and the like caused by accumulation and hardening of the mud matters are effectively avoided, the pressure of the driven wheel, the working efficiency is improved.

In an alternative embodiment, see fig. 4, the driven wheel 2 further comprises an axle 22; the two ends of the cylinder 21 are rotatably connected with the wheel shaft 22 through at least two bearings 4 respectively, that is, each end of the cylinder 21 is rotatably connected with the wheel shaft 22 through at least two bearings 4, so that the bearing capacity of the driven wheel 2 is improved, and the service life of the driven wheel 2 is prolonged.

In an alternative embodiment, see fig. 2 and 6, the scraper chain 3 further comprises a chain 32; the blade 31 is provided with a fixing portion, and the chain 32 is connected to the blade 31 via the fixing portion.

In the above embodiments, the fixing portion may have various structural forms, specifically, in order to avoid the connection between the chain 32 and the scraper 31 from affecting the contact between the scraper 31 and the side wall of the chute 1, referring to fig. 2 and 6, the fixing portion may specifically include a first through hole 311 provided at the end of the scraper 31 and penetrating through both side surfaces thereof, and a notch 312 or a second through hole provided at the end of the scraper 31 and penetrating through both surfaces thereof; the first through hole 311 is communicated with the notch 312 or the second through hole; the chain 32 is arranged in the notch 312 or the second through hole in a penetrating way; the first through hole 311 is inserted with the pin 8, and the pin 8 passes through the chain link of the chain 32. The structural arrangement can enable the chain 32 to pass through the inner part of the scraper 31 without occupying the space at the end part of the scraper 31, so that the scraper 31 can be in gapless contact with the side wall of the chute 1 better, and the fundamental materials and mud on the side wall of the chute 1 can be cleaned better; moreover, the chain 32 and the scraper 31 are connected through the pin body 8, so that the chain 32 and the scraper 31 are convenient to disassemble and assemble, and the maintenance is convenient.

In an alternative embodiment, referring to fig. 4, a filling space 23 is disposed between the cylinder 21 and the axle 22, the filling space 23 is a sealed space, and the sealed space is filled with lithium-based grease, wherein the filling space 23 is an annular space defined by the entire inner wall of the cylinder 21 and the entire outer wall of the axle 22. Through setting up the confined space between barrel 21 and shaft 22 for can fill the emollient lubrication in this confined space, with the further life who improves from driving wheel 2, specifically, fill to the emollient of confined space can be lithium base grease, be convenient for sealed, and sealed effect is preferred.

In an alternative embodiment, referring to fig. 4, the cylinder 21 is provided with a grease injection hole 24 communicated with the sealed space, and the grease injection hole 24 is buckled with a sealing cover. Specifically, the grease injection hole 24 may be provided in the middle of the cylinder 21, so that the lubricant injected into the sealed space through the grease injection hole 24 may be uniformly dispersed throughout the sealed space, thereby better achieving lubrication between the cylinder 21 and the wheel axle 22; furthermore, the sealing cover may be specifically a rubber cover, and the grease injection hole 24 may be a counter-sunk hole, so that the sealing cover may be flush with the outer surface of the cylinder 21 to facilitate the transfer of the scraper chain 3 from the driven wheel 2.

In an alternative embodiment, see fig. 4 and 5, a sealing means is provided between the cylinder 21 and the end of the axle 22, such that the inner wall of the cylinder 21, the outer wall of the axle 22 and the sealing means enclose the sealed space.

In the above embodiments, the sealing mechanism may have various structural forms, specifically, in order to make the structure of the driven wheel 2 simpler and more reliable in use, referring to fig. 4 and 5, the sealing mechanism may include a first connecting member 5, the first connecting member 5 is annular and is sleeved on the end of the cylinder 21, and the outer wall of the first connecting member 5 is circumferentially provided with a first annular step 51; the second connecting piece 6 is annular, and is sleeved at the end part of the first connecting piece 5, a second annular step 61 is arranged on the inner wall of the second connecting piece 6 in the circumferential direction, and the first annular step 51 is opposite to the second annular step 61 to form an installation space; a seal ring 7 disposed in the installation space; the end of the cylinder 21 is connected to the second connector 6.

According to the above embodiment, the first connecting piece 5 and the wheel shaft 22 and the second connecting piece 6 and the first connecting piece 5 are matched by tolerance, so that the mutual sealing connection is realized, meanwhile, the first connecting piece 5 is connected with the wheel shaft 22, the second connecting piece 6 is connected with the cylinder body 21, and the sealing ring 7 is arranged in the installation space formed by the annular steps of the first connecting piece 5 and the second connecting piece 6, namely, the first connecting piece 5 and the second connecting piece 6 are connected in a sealing manner through the sealing ring 7, so that the sealing connection between the end parts of the cylinder body 21 and the wheel shaft 22 is realized, the structure is simple, and the use is reliable. Wherein, the sealing ring 7 can be an oil seal. Wherein, the tip circumference of shaft 22 can set up the first step of slope, and sets up the second step of slope with first step assorted in the inner wall circumference of first connecting piece 5 for back on shaft 22 is cup jointed to first connecting piece 5, first step and second step looks butt, so that the installation of first connecting piece 5.

In order to ensure smooth rotation of the scraper chain plate, in an alternative embodiment, referring to fig. 3 and 4, the second connecting member 6 may have a disk shape, and the outer diameter of the second connecting member 6 is larger than the outer diameter of the cylinder 21; a limiting space is formed between the two second connecting pieces 6 at the two ends of the cylinder 21; scraper chain 3 is located this spacing space to the realization plays limiting displacement to the scraper chain board in the motion, makes the scraper chain board be in the within range at barrel 21 place all the time, thereby has guaranteed this scraper 31 conveyer's normal work. In addition, an installation space adapted to the contour of the second connecting element 6 can be provided on the blade of the heading machine, so that the second connecting element 6 can be installed in the installation space in a matching manner, and the driven wheel 2 can be installed on the blade.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.