WO2015096522A1

WO2015096522A1 - Rotational scraper conveyer

Info

Publication number: WO2015096522A1
Application number: PCT/CN2014/086928
Authority: WO
Inventors: 马继光; 梅伏萍; 朱秀梅; 王继国
Original assignee: 宁夏天地奔牛实业集团有限公司
Priority date: 2013-12-23
Filing date: 2014-09-19
Publication date: 2015-07-02
Also published as: CN103708179A

Abstract

Disclosed is a rotational scraper conveyer, comprising a head (1), a tail (2), a scraper chain (3) and a chute (4), and being characterized in that the chute (4) is composed of a head chute section and a tail chute section, the included angle formed between the head chute section and the tail chute section is greater than 0 degrees and smaller than or equal to 180 degrees, one end of each of the head chute section and the tail chute section is connected to the head and the tail respectively, and the other ends of the head chute section and the tail chute section are connected via a rotary device (5).

Description

Rotary type scraper conveyor

The present application claims priority to Chinese Patent Application No. 201310715116.9, filed on Dec. 23, 2013, the entire disclosure of which is incorporated herein by reference. in.

Technical field

The invention belongs to the technical field of a scraper conveyor, and in particular relates to a rotary scraper conveyor.

Background technique

As a scraper conveyor for mine lifting equipment, it is a continuous conveying machine with a flexible body as the traction mechanism. It is the only transportation equipment for the long arm coal mining face. Its main components are: machine head (including headstock, motor, hydraulic coupler, reducer, sprocket assembly, etc.), tail, intermediate part (including central chute, excessive chute, scraper chain assembly) and subsidiary Equipment (including chain tensioners, shovels, cable troughs). For some basic knowledge about the scraper conveyor, please refer to the seventh chapter of the October 2010 edition of the monograph "Mining Machinery" published by Li Bingwen and published by China University of Mining and Technology.

With the increasing improvement of coal mining technology, the output of mining is greatly increased, and the coal that is unavoidable in the working face, the coal seams that are not easy to clean, and most of the floating coal are discarded, resulting in great waste of coal resources. In addition to economic benefits, the reasons for this situation are also related to the inability of existing technical equipment to meet the need for efficient mining. In order to avoid resource waste and improve the resource recovery rate, it is necessary to design a high-yield, high-reliability, high-yield, high-reliability working surface scraper conveyor return coal recovery equipment that meets the requirements of the coal mining process.

Summary of the invention

The object of the present invention is to provide a rotary scraper conveyor with reliable performance, which can be used together with a working face scraper conveyor to reduce coal loss on the working face and effectively improve the recovery rate of coal.

The specific technical solutions are as follows:

The utility model relates to a rotary scraper conveyor, which comprises a machine head, a tail, a scraper chain and a chute. The special feature is that the chute is composed of a nose chute section and a tail chute section, and the head chute section and The angle between the tail chute sections is greater than 0° and less than or equal to 180°, wherein the respective ends of the nose chute section and the tail chute section are respectively connected with the nose and the tail, and the nose chute section and the tail chute Another one of each segment The ends are connected by a rotating device.

The working principle of the rotary type scraper conveyor is (take 180° rotation as an example), and the power is transmitted from the head drive part to the sprocket shaft set, thereby pulling the scraper chain to form a closed traction system, and pressing the tail end The receiving point is circulated and conveyed by the rotating device 180° back to the head of the steering head to realize the 180° rotary conveying.

The scraper chain adopts a single chain. The reason why the single chain is used is because the single chain has no change in the rotation length of the rotating device, and has no influence on the operation of the scraper chain. At the same time, the rotating device has a support guiding effect on the single chain of the side, and the scraper chain can smoothly realize the 180° rotation continuously.

The two ends of the rotating device are respectively connected with the head chute section and the tail chute section by fasteners.

The rotating device includes a curved bottom groove on which the living groove is mounted, and a rotating wheel set is installed in the middle of the bottom groove.

The slewing wheel set includes an upper rotating wheel and a lower rotating wheel mounted on a fixed shaft, and the fixed rotating shaft is installed in the middle of the bottom groove through a bearing.

The fixed shaft is installed in the middle of the bottom groove through the pressure frame.

The angle between the nose chute section and the tail chute section may be 60° to 120°.

The angle between the nose chute section and the tail chute section may be 90°.

Wherein the squeegee chain is located between the handpiece and the tail through a chute.

Wherein the single strand is a single strand in the form of a side single strand. The single chain used is a high strength circular chain or a compact chain for mining.

The fasteners are bolts, nuts and pins.

Wherein the slewing wheel set supports the single chain.

The scraper conveyor of the invention is mainly used for transporting and transferring coal in a high-yield, high-efficiency comprehensive mechanized working surface, which can fully meet the needs of high progress and fast propulsion of the working surface, and can be matched with the tail of the working surface scraper conveyor. Thereby reducing the transportation of the working face conveyor back to the coal, the coal recovery rate can be effectively improved.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a schematic structural view of a squeegee conveyor according to an embodiment of the present invention (a top view Figure);

Figure 2 is a front elevational view of the rotating device 5 of Figure 1;

Figure 3 is a plan view of the rotating device 5 of Figure 1;

Figure 4 is a side view of the rotating device 5 of Figure 1;

Figure 5 is a cross-sectional view of the slewing wheel set;

Figure 6 is a front elevational view of the squeegee conveyor of Figure 1.

Wherein, each reference numeral is respectively indicated;

1 - the nose of the scraper conveyor, 2 - the tail of the scraper conveyor, 3 - the scraper chain, 4 - chute, 5 - the rotating device, 6 - the bottom slot of the rotating device, 7 - the movable groove of the rotating device, 8 - the slewing wheel set, 9 - the pressure frame, 10 - the bearing, 11 - the fixed shaft.

detailed description

As shown in Figures 1, 2, 3, 4 and 5, the present invention is a rotary type scraper conveyor comprising a head 1, a tail 2, a scraper chain 3, a chute 4, and the chute 4 is provided by a handpiece The chute section and the tail chute section are composed, and the angle between the head chute section and the tail chute section is greater than 0° and less than or equal to 180° (180° rotation shown in FIG. 1 , which is obviously used in actual use) It can be set to 60°, 90°, 120° or other angles as needed. The end of each of the nose chute section and the tail chute section is connected to the nose and the tail respectively, while the nose slip and the tail The other end of each of the chute sections is connected by a rotating device 5. In Fig. 1, the nose chute section is located on the left side of the rotating apparatus of Fig. 1, and the tail chute section is also located on the left side of the rotating apparatus of Fig. 1. The nose chute section and the tail chute section are connected by a rotating device 5 so that the nose and the tail are connected. As shown in Figure 6, the nose chute section is located above the tail chute section.

The scraper chain 3 adopts a single-chain form to meet the requirements of the rotary 180-degree operation, and the two ends of the rotating device 5 are respectively connected with the nose chute section and the tail chute section by fasteners, and the rotating device 5 includes a curved bottom groove 6 A live tank 7 is mounted on the bottom tank 6, and a swivel wheel set 8 is mounted in the middle of the bottom tank 6. The slewing wheel set 8 includes an upper rotating wheel and a lower rotating wheel mounted on the fixed shaft 11, and the fixed shaft 11 is mounted in the middle of the bottom groove 6 through a bearing 10, specifically, the fixed shaft 11 is mounted on the bottom groove 6 through the press frame 9. intermediate. It should be noted that the rotation of 180 degrees means that the straight line segment of the main body of the nose and the straight line segment of the main body of the tail are in a straight line, but the directions are completely opposite. As shown in Figure 6, the nose and the tail are on the left side of the drawing, and the tail is located below the head. This is equivalent to achieving the full rotation effect, which also reduces the overall occupation of the scraper conveyor. space. Moreover, the various components of the scraper conveyor, such as the nose, the tail, Rotating devices and the like can all adopt a detachable structure, which is convenient for transportation and easy to install in the field. And when a part needs to be replaced, it can also be quickly replaced.

The bottom groove 6 is the lower chain running passage of the squeegee chain 3, and the movable groove 7 is the upper chain running passage of the squeegee chain 3, and the two are connected by bolts to form the up and down rotation running passage of the squeegee chain 3. The slewing wheel set 8 is fixed on the bottom groove 6 by the pressure frame 9 and the bolts, and together with the bottom groove 6 and the movable groove 7, constitutes a complete up-and-down rotary running passage of the squeegee chain 3.

The upper and lower runner guiding surfaces of the slewing wheel set 8 are in the same shape as the squeegee to facilitate the squeegee guiding operation, and the slewing wheel set 8 is driven by the handpiece 1 to drive the squeegee chain 3, thereby being driven by the squeegee chain 3 drives the turning wheel set 8 to rotate.

The bottom groove 6 is an arcuate bottom groove. The curved bottom groove can change the running direction of the scraper chain and control the material conveying direction; the inner and outer arcs of the curved bottom groove are concentric arcs, which facilitates the smooth passage of the scraper chain, uniform wear and prolong the service life.

The invention relates to a scraper conveyor capable of arranging a rotating mechanism according to a position of a working surface transporter in use, which can be rotated by the splicing relationship between the rotary scraper conveyor and the working face scraper conveyor of the present invention. The device transfers the return coal produced by the working surface conveyor to the working surface conveyor and transports it away.

The scraper conveyor uses the scraper chain as a flexible body to transport the material in the direction from the tail to the head.

The coal returned from the tail of the working face scraper conveyor and the floating coal at the tail of the machine enter the tail of the rotary scraper conveyor through the shovel coal plate, and are conveyed by the rotating scraper conveyor to the rotary scraper through the rotating device. The conveyor head is then unloaded onto the tail of the working face scraper conveyor and transported away by the working face scraper conveyor (pictured). With the advancement and continuous transportation of the working face scraper conveyor, the returned coal is continuously transported by the rotary scraper conveyor to the tail of the working face scraper conveyor to avoid the loss of returning coal.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalents, improvements, etc., which are included in the spirit and principles of the present invention, should be included in the present invention. Within the scope of protection of the invention.

Claims

A rotary type scraper conveyor comprises a machine head (1), a tail (2), a scraper chain (3) and a chute (4), characterized in that: the chute (4) is divided by a nose chute section and The tail chute section is composed, and the angle between the head chute section and the tail chute section is greater than 0° and less than or equal to 180°, wherein the respective ends of the nose chute section and the tail chute section are respectively associated with the nose and the nose The tail is connected, and the other end of each of the nose chute section and the tail chute section is connected by a rotating device (5).
A rotary type squeegee conveyor according to claim 1, wherein the squeegee chain (3) is of a single chain.
A rotary type scraper conveyor according to claim 1, wherein both ends of the rotating means (5) are respectively connected to the head chute section and the tail chute section by fasteners.
A rotary type scraper conveyor according to any one of claims 1 to 3, wherein the rotating means (5) comprises a curved bottom groove (6) on which the living groove (7) is mounted (7) And a slewing wheel set (8) is installed in the middle of the bottom groove (6).
A rotary type scraper conveyor according to claim 4, wherein the rotary wheel set (8) comprises an upper rotating wheel and a lower rotating wheel mounted on the fixed shaft (11), the fixed shaft (11) passing through the bearing (10) ) Installed in the middle of the bottom slot (6).
A rotary type scraper conveyor according to claim 5, wherein the fixed shaft (11) is mounted in the middle of the bottom groove (6) by a press frame (9).
The rotary type scraper conveyor according to claim 1, wherein an angle between the nose chute section and the tail chute section is 60 to 120.
The rotary type scraper conveyor according to claim 1, wherein an angle between the nose chute section and the tail chute section is 90°.
A rotary type scraper conveyor according to claim 1, wherein said squeegee chain (3) is located between said handpiece (1) and said tail (2) through a chute (4).
The rotary type scraper conveyor according to claim 2, wherein said single chain is a single chain in the form of a side single chain.
The rotary type scraper conveyor according to claim 3, wherein the fastener is a bolt, a nut, or a pin.
A rotary type squeegee conveyor according to claim 4, wherein said slewing wheel set (8) supports said single chain.