CN219620217U

CN219620217U - Rear trough body assembly for coal mine crossheading transfer machine

Info

Publication number: CN219620217U
Application number: CN202321029492.8U
Authority: CN
Inventors: 郝万昊; 刘可; 王宏宇
Original assignee: Shanxi Coal Machinery Equipment Manufacturing Co ltd; Shanxi Coal Mining Machinery Manufacturing Co ltd
Current assignee: Shanxi Coal Machinery Equipment Manufacturing Co ltd; Shanxi Coal Mining Machinery Manufacturing Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-01
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to the technical field of a crossheading transfer conveyor, in particular to a rear tank body assembly for a coal mine crossheading transfer conveyor, which comprises a rear tank body and a coal return collecting device, wherein the rear tank body comprises a lower middle plate and a bottom plate which are arranged up and down, the bottom plate is provided with a coal leakage port, and the coal return collecting device is arranged at the lower end of the coal leakage port; the bottom plate comprises a horizontal section, an inclined section and an arc section, wherein two ends of the arc section are tangent to the horizontal section and the inclined section respectively, and the lower end of the inclined section is provided with a downward bend; the lower middle plate lower extreme is provided with the arc guide plate, forms the passageway that can supply the scraper chain to pass through between the arc section of arc guide plate and bottom plate. The arc-shaped reinforced guide plate is designed below the lower middle plate, and the guide plate is parallel to the bottom plate of the rear groove body, so that the scraper chain can smoothly pass through the lower chain channel of the rear groove body, and the problem of damage to the lower middle plate of the rear groove body can be effectively solved.

Description

Rear trough body assembly for coal mine crossheading transfer machine

Technical Field

The utility model relates to the technical field of crossheading transfer machines, in particular to a rear trough body assembly for a coal mine crossheading transfer machine.

Background

The coal mine crossheading transfer conveyor is matched with a working face scraper machine, a machine head assembly is formed by a telescopic machine head frame and a rear groove body, the rear groove body participates in the self-moving tail of a belt conveyor and the telescopic machine head, and the telescopic machine head is used as a main bearing body for stress, so that the safety, the reliability and the durability are self-evident; the trough body has the scraper chain and scrapes card, bottom plate circular arc section mill and wear down the medium plate in the bottom plate entry behind the traditional structure, and the scraper chain striking damages down, and the bottom chain brought back behind the horizontal section of back trough body bottom plate opening leaks the coal to cause the belt feeder to move the problem that tail cylinder department piles the coal seriously, damages the tail cylinder certainly.

Accordingly, there is a need for improvements over the prior art.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the rear trough body component for the coal mine crossheading transfer machine is provided, wherein the service life of the lower middle plate is prolonged, the bottom plate inlet is free of scraping cards and coal piles.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the rear trough body assembly for the coal mine crossheading transfer conveyor comprises a rear trough body and a coal return collecting device, wherein the rear trough body comprises a lower middle plate and a bottom plate which are arranged up and down, the bottom plate is provided with a coal leakage port, and the coal return collecting device is arranged at the lower end of the coal leakage port;

the bottom plate comprises a horizontal section, an inclined section and an arc section, wherein two ends of the arc section are tangent to the horizontal section and the inclined section respectively, and the lower end of the inclined section is provided with a downward bend;

the lower middle plate lower extreme is provided with the arc guide plate, forms the passageway that can supply the scraper chain to pass through between the arc section of arc guide plate and bottom plate.

Further, the coal leakage port is arranged on the arc section, the coal return collecting device is of a U-shaped dustpan structure, the upper end of the coal return collecting device is provided with a connecting lug hole, the lower end of the bottom plate is provided with a mounting hole matched with the connecting lug hole, and the connecting lug hole is connected with the mounting hole through a pin shaft and a cotter pin.

Further, L-shaped reinforcing ribs are arranged on two sides of the coal return collecting device.

Further, the included angle alpha between the coal return collecting device and the horizontal plane is 28-32 degrees.

Further, the arc-shaped guide plate is positioned at the upper end of the inclined section, and the arc-shaped guide plate is provided with a lower end face parallel to the inclined section.

Further, the included angle beta between the inclined section and the horizontal plane is 11-13 degrees, and the radius R of the arc-shaped section is larger than 10000mm.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the included angle of the inclined section of the plate is set to be 12 degrees, the radius of the circular arc of the bottom plate can reach 10500mm, the smoothness of the rear groove body can reach the best effect, the circular arc abrasion of the bottom plate can be effectively slowed down, and the service life of the rear groove body is prolonged; meanwhile, the bottom plate at the chain inlet is downwards designed to be small bent, so that the problem of scraping at the inlet of the bottom plate when the scraper chain enters the chain can be effectively solved; in order to solve the problem of bottom chain pull back coal, three groups of rectangular coal leakage openings are formed in the circular arc of the bottom plate, a coal return collecting device is arranged below the coal leakage openings, the coal return device forms an angle of 30 degrees with the horizontal, the bottom chain coal return is ensured to timely fall on the middle base frame of the belt conveyor through the coal return collecting device, and the bottom chain coal return is timely conveyed away by the belt, so that the problem of coal piling of the tail roller is effectively solved.

2. The utility model aims to solve the problem that the lower middle plate is damaged due to the fact that the scraper chain is fast in speed when in a loose state, an arc-shaped reinforced guide plate is designed below the lower middle plate, and the guide plate is parallel to the bottom plate of the rear groove body, so that the scraper chain can smoothly pass through the lower chain channel of the rear groove body, and the problem that the lower middle plate of the rear groove body is damaged can be effectively solved.

Drawings

The following detailed description of the utility model will be given with reference to the accompanying drawings.

FIG. 1 is a schematic view of a rear tank structure;

FIG. 2 is a schematic cross-sectional view of the rear tank;

FIG. 3 is an assembled cross-sectional view of the rear channel and the nose bridge assembly;

FIG. 4 is a schematic side view of a coal return collection device;

FIG. 5 is a schematic front view of a coal return collection device;

fig. 6 is a schematic top view of the coal return collection device.

In the figure: the device comprises a rear tank body 1, a lower middle plate 11, a bottom plate 12, a 13-coal leakage port 14, a bending part 15, a guide plate 16, a channel 2, a coal return collecting device 21, a connecting lug hole 22, an L-shaped reinforcing rib 3, a machine head assembly and a 4-chain track.

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.

Examples:

as shown in fig. 1 to 6, a rear tank assembly for a coal mine crossheading transfer conveyor comprises a rear tank body 1 and a coal return collecting device 2, wherein the rear tank body 1 comprises a lower middle plate 11 and a bottom plate 12 which are arranged up and down, the bottom plate 12 comprises a horizontal section, an inclined section and an arc section, two ends of the arc section are tangent to the horizontal section and the inclined section respectively, an included angle beta between the inclined section and the horizontal plane is 11 degrees to 13 degrees, preferably 12 degrees, when beta is 12 degrees, the radius Rmax of the arc section can reach 10500mm, at the moment, the smoothness of the rear tank body can achieve the best effect, the arc abrasion of the bottom plate can be effectively slowed down, and the service life of the rear tank body is prolonged; the lower end of the inclined section is provided with a downward bending 14, and the problem of scraping at the entrance of the bottom plate when the scraper chain enters the chain can be effectively solved through the bending 14;

the arc section of the bottom plate 12 is provided with a coal leakage port 13, the coal leakage port 13 comprises three groups of rectangular coal leakage ports, the coal return collecting device 2 is arranged at the lower end of the coal leakage port 13, the coal return collecting device 2 adopts a U-shaped dustpan-shaped structure, the upper end of the coal return collecting device 2 is provided with a connecting lug hole 21, the lower end of the bottom plate 12 is provided with a mounting hole matched with the connecting lug hole 21, the connecting lug hole 21 is connected with the mounting hole through a pin shaft and a cotter pin, an included angle alpha between the coal return collecting device 2 and a horizontal plane is 28-32 degrees, preferably 30 degrees, when coal returned by a bottom chain leaks on the coal return collecting device, the coal return collecting device can timely fall on a base frame in the middle of a belt conveyor and be timely conveyed away by the belt, the problem of coal pile of a tail roller is effectively solved, and two sides of the coal return collecting device 2 are provided with L-shaped reinforcing ribs 22.

The lower middle plate 11 lower extreme is provided with arc guide plate 15, and arc guide plate 15 is located the upper end of slope section, and arc guide plate 15 is provided with the lower terminal surface parallel with the slope section, forms the passageway 16 that can supply the scraper chain to pass through between the arc section of arc guide plate 15 and bottom plate 12, ensures through arc guide plate 15 that the scraper chain is flat in the lower chain of back cell body and is in the same direction as passing through, can effectively solve the problem that the middle plate damaged under the back cell body.

The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.

Claims

1. The utility model provides a colliery crossheading is back cell body subassembly for reversed loader which characterized in that: the coal recycling device comprises a rear tank body (1) and a coal recycling collecting device (2), wherein the rear tank body (1) comprises a lower middle plate (11) and a bottom plate (12) which are arranged up and down, the bottom plate (12) is provided with a coal leaking port (13), and the coal recycling collecting device (2) is arranged at the lower end of the coal leaking port (13);

the bottom plate (12) comprises a horizontal section, an inclined section and an arc section, two ends of the arc section are tangent to the horizontal section and the inclined section respectively, and the lower end of the inclined section is provided with a downward bend (14);

the lower middle plate (11) is provided with an arc-shaped guide plate (15), and a channel (16) through which a scraper chain can pass is formed between the arc-shaped guide plate (15) and the arc-shaped section of the bottom plate (12).

2. The rear tank assembly for a coal mine crossheading reversed loader of claim 1, wherein: the coal leakage port (13) is arranged on the arc section, the coal return collecting device (2) is of a U-shaped dustpan structure, the upper end of the coal return collecting device (2) is provided with a connecting lug hole (21), the lower end of the bottom plate (12) is provided with a mounting hole matched with the connecting lug hole (21), and the connecting lug hole (21) is connected with the mounting hole through a pin shaft and a cotter pin.

3. The rear tank assembly for a coal mine crossheading reversed loader according to claim 2, wherein: l-shaped reinforcing ribs (22) are arranged on two sides of the coal return collecting device (2).

4. A rear slot body assembly for a coal mine crossheading reversed loader according to claim 2 or 3, wherein: the included angle alpha between the coal return collecting device (2) and the horizontal plane is 28-32 degrees.

5. The rear tank assembly for a coal mine crossheading reversed loader of claim 1, wherein: the arc-shaped guide plate (15) is positioned at the upper end of the inclined section, and the arc-shaped guide plate (15) is provided with a lower end face parallel to the inclined section.

6. The rear tank assembly for a coal mine crossheading reversed loader of claim 1, wherein: the included angle beta between the inclined section and the horizontal plane is 11-13 degrees, and the radius R of the arc-shaped section is larger than 10000mm.