CN212173495U

CN212173495U - Spraying lubricatable skylight opening middle groove

Info

Publication number: CN212173495U
Application number: CN202020222428.1U
Authority: CN
Inventors: 王宁宁; 孟宪华; 冯海涛; 耿浩
Original assignee: Shandong Jiuding Kaiyuan Coal Mine Machinery Co ltd
Current assignee: Shandong Jiuding Kaiyuan Coal Mine Machinery Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-18
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to the field of accessories of scraper conveyors (reversed loaders) under coal mines, in particular to a spray-lubricated skylight middle groove, which comprises a skylight groove body (1), wherein a bottom plate (8) is arranged under a middle plate (7) at intervals in parallel, the middle part of the middle plate (7) is provided with a notch (9) along the width direction of the middle plate, and a spray inserting plate (2) is inserted in the notch (9) in a matching way; and a mounting groove (10) is formed in the position, corresponding to the extending position of the gap in the length direction, of the side ledge steel (6) on the coal blocking plate side, and a spraying assembly is mounted on the spraying insertion plate (2). When coal mining operation is carried out underground, the water mist sprayed out by the arranged nozzles can play a role in lubrication, so that the friction force between the coal flow and the groove body is reduced, the load of the scraper conveyor is reduced, and the service life of the middle groove is prolonged; on the other hand, the water mist can remove coal dust, so that the damage of the coal dust to coal mining workers on a working face is reduced to a certain extent, the mechanism is simple, and the maintenance cost is low.

Description

Spraying lubricatable skylight opening middle groove

Technical Field

The utility model relates to a scraper conveyor (elevating conveyor) accessory field under the coal mine, in particular to be applied to coal mining underground working face scraper conveyor (elevating conveyor), be applicable to the middle part groove structure under the condition that the working face coal quality stickness is big, the waste rock is more and the coal dust is serious, especially a skylight middle part groove that spraying can be lubricated.

Background

At present, a scraper conveyor (reversed loader) is mainly used for an underground high-yield and high-efficiency working face and meets the requirements of high progress and quick propulsion of the working face.

The condition that coal viscosity is big or the waste rock content is higher, the coal dust is comparatively serious can exist at some working faces, long-term operation construction can make the holistic load increase of scraper blade machine, and medium plate (7) and ledge wearing and tearing of the middle part groove of traditional structure accelerate to can cause the complete machine life-span of scraper blade machine to shorten, the coal dust seriously also can influence the healthy of coal face workman moreover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of the above-mentioned technical problem, provide a spraying can be lubricated division skylight middle part groove, can have good lubrication and dust removal effect, be applicable to most working faces, the technical scheme who adopts is: a spray-lubricated skylight middle groove comprises a skylight groove body (1) consisting of a coal shoveling plate side ledge steel (5), a coal blocking plate side ledge steel (6), a middle plate (7) and a bottom plate (8) which are welded between the coal shoveling plate side ledge steel and the coal blocking plate side ledge steel, wherein the bottom plate (8) is arranged under the middle plate (7) in parallel at intervals, a gap (9) is formed in the middle of the middle plate (7) along the width direction of the middle plate, and a spray inserting plate (2) is inserted into the gap (9) in a matching manner; a mounting groove (10) is formed in the position, corresponding to the extending position of the notch in the length direction, of the coal blocking plate side ledge steel (6), the spraying insertion plate (2) is inserted into the mounting groove (10) and mounted in the notch (9), strip-shaped grooves (11) are formed in two ends of the spraying insertion plate (2) respectively, and the strip-shaped grooves (11) are used for being fixed with the skylight groove body (1) through mounting fastening screws; and a spraying assembly is arranged on the spraying inserting plate (2).

Preferably, the injection assembly comprises two nozzles (3) mounted on the injection insertion plate (2) and a mining quick connector (4), wherein the mining quick connector (4) is used for being quickly mounted with a downhole hydraulic pipeline.

Preferably, the spraying directions of the two nozzles (3) on the spraying flashboard (2) are arranged at an included angle of 90 degrees and are respectively inclined towards the side of the coal shoveling board side ledge steel (5) and the side of the coal baffling board side ledge steel (6) at the corresponding positions.

Preferably, the spray inserting plate (2) is connected with the mining quick connector (4) in a taper thread connection mode.

Preferably, middle plate (7) breach (9) of division skylight cell body (1) are parallelogram structure just breach (9) run through the whole width direction of middle plate (7), the appearance of spraying picture peg (2) with the shape of breach (9) is the same, and two nozzle (3) distribute in the both ends of spraying picture peg (2), mining quick-operation joint (4) are arranged in the fender coal board one side of this spraying picture peg (2).

Preferably, the size of the bottom plate (8) is smaller than that of the middle plate (7), and the bottom plate (8) is in a state of being hidden when viewed from the upper part downwards.

The beneficial effects of the utility model are embodied in: in the underground coal face, especially in the coal face with high coal viscosity, more gangue and serious coal dust, a certain amount of skylight middle grooves which can be lubricated by spraying are arranged on the scraper conveyor, so that the conditions that the motor load is overlarge, the abrasion of a middle plate (7) and a ledge of the middle groove is too fast and the coal dust is serious are greatly improved, the service lives of the motor and the scraper conveyor are prolonged, the working environment of workers is improved, the underground coal face working efficiency is improved, and the production cost is reduced.

When coal mining operation is carried out underground, the water mist sprayed out by the arranged nozzles can play a role in lubrication, so that the friction force between the coal flow and the groove body is reduced, the load of the scraper conveyor is reduced, and the service life of the middle groove is prolonged; on the other hand, the water mist can remove coal dust, so that the damage of the coal dust to a working face coalcutter is reduced to a certain extent, the mechanism is simple, the maintenance cost is low, and the change of the underground coalcutter working face condition can be more conveniently adapted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic structural view of the spray inserting plate of the present invention.

In the figure, 1, a skylight groove body is formed; 2. Spraying and inserting plates; 3. a nozzle; 4. A mining quick connector; 5. Shoveling coal plate side ledge steel; 6. side ledge steel of the coal baffle plate; 7. a middle plate; 8. a base plate; 9. a notch; 10. mounting grooves; 11. a strip-shaped groove.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-2, a spray-lubricated skylight middle groove comprises a skylight groove body (1) consisting of a coal shoveling plate side ledge steel (5), a coal blocking plate side ledge steel (6), a middle plate (7) and a bottom plate (8) which are welded between the coal shoveling plate side ledge steel and the coal blocking plate side ledge steel, wherein the bottom plate (8) is arranged under the middle plate (7) in parallel at intervals, a gap (9) is formed in the middle of the middle plate (7) along the width direction of the middle plate, and a spray inserting plate (2) is inserted into the gap (9) in a matching manner; a mounting groove (10) is formed in the position, corresponding to the extending position of the notch in the length direction, of the coal blocking plate side ledge steel (6), the spraying insertion plate (2) is inserted into the mounting groove (10) and mounted in the notch (9), strip-shaped grooves (11) are formed in two ends of the spraying insertion plate (2) respectively, and the strip-shaped grooves (11) are used for being fixed with the skylight groove body (1) through mounting fastening screws; and a spraying assembly is arranged on the spraying inserting plate (2).

Preferably, the injection assembly comprises two nozzles (3) mounted on the injection insertion plate (2) and a mining quick connector (4), wherein the mining quick connector (4) is used for being quickly mounted with a downhole hydraulic pipeline. The joint is connected with an underground hydraulic pipeline, and the hydraulic pipeline is only needed to be connected when the underground hydraulic pipeline joint is used.

In addition, the two nozzles (3) on the spraying inserting plate (2) are distributed at two ends of the spraying inserting plate (2), and the nozzle directions of the two nozzles (3) are arranged at an included angle of 90 degrees, so that the spraying area is larger, and the lubricating effect is better; in addition, the spraying insertion plate (2) can be detachably connected with the skylight ledge at the side of the baffle plate through a pin shaft and a spring pin during connection, so that the spraying insertion plate (2) can be limited through the pin shaft.

Preferably, the spray inserting plate (2) is connected with the mining quick connector (4) in a taper thread manner, so that the sealing performance is better.

A certain assembly gap is reserved between the spray inserting plate (2) and the middle plate (7), so that the spray inserting plate (2) can be freely assembled and disassembled.

The skylight middle groove is applied to the coal mining underground working face scraper conveyor and can be lubricated by spraying, the spraying dust fall and the lubricating chain channel can be realized by using the nozzle (3) on the skylight middle groove inserting plate of the scraper conveyor (reversed loader), the effect on coal transportation is good, and the change of underground coal mining working face conditions can be more conveniently adapted.

In the underground coal face, especially in the coal face with high coal viscosity, more gangue and serious coal dust, the skylight middle groove in the patent which can be lubricated by a certain amount of spray is arranged on the scraper machine, so that the motor load is overlarge, the abrasion of the middle plate (7) of the middle groove and the ledge is too fast, and the serious coal dust condition can be greatly improved, the service lives of the motor and the scraper machine are prolonged, the working environment of workers is improved, the underground coal face working efficiency is improved, and the production cost is reduced.

When underground coal mining operation is carried out, the water mist sprayed out by the nozzles (3) can play a role in lubrication, so that the friction force between the coal flow and the trough body is reduced, the load of the scraper conveyor is reduced, and the service life of the middle trough is prolonged; on the other hand, the water mist can remove coal dust, so that the damage of the coal dust to a working face coalcutter is reduced to a certain extent, the mechanism is simple, the maintenance cost is low, and the change of the underground coalcutter working face condition can be more conveniently adapted.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. The utility model provides a spraying is lubricated opens skylight middle part groove, it scrapes trigger work end, its characterized in that to open skylight middle part groove and install in coal mining underground working face: the device comprises a skylight opening groove body (1) consisting of coal shoveling plate side ledge steel (5), coal blocking plate side ledge steel (6), a middle plate (7) and a bottom plate (8), wherein the middle plate (7) and the bottom plate (8) are welded between the coal shoveling plate side ledge steel and the coal blocking plate side ledge steel, the bottom plate (8) is arranged under the middle plate (7) in parallel at intervals, a gap (9) is formed in the middle of the middle plate (7) along the width direction of the middle plate, and a spraying flashboard (2) is inserted into the gap (9) in a matched; a mounting groove (10) is formed in the position, corresponding to the extending position of the notch in the length direction, of the coal blocking plate side ledge steel (6), the spraying insertion plate (2) is inserted into the mounting groove (10) and mounted in the notch (9), strip-shaped grooves (11) are formed in two ends of the spraying insertion plate (2) respectively, and the strip-shaped grooves (11) are used for being fixed with the skylight groove body (1) through mounting fastening screws; and a spraying assembly is arranged on the spraying inserting plate (2).

2. A spray lubricatable open roof centre trough according to claim 1, wherein: the spraying assembly comprises two nozzles (3) and a mining quick connector (4) which are arranged on the spraying insertion plate (2), and the mining quick connector (4) is used for being quickly installed with a downhole hydraulic pipeline.

3. A spray lubricatable open roof centre trough according to claim 2, wherein: the spraying directions of the two nozzles (3) on the spraying flashboard (2) are arranged at an included angle of 90 degrees, and the spraying directions respectively face the side of the coal shoveling board side ledge steel (5) and the side of the coal blocking board side ledge steel (6) at corresponding positions in an inclined mode.

4. A spray lubricatable open roof centre trough according to claim 3, wherein: the spraying insertion plate (2) and the mining quick connector (4) are connected in a conical threaded manner.

5. A spray lubricatable open roof centre trough according to claim 4, wherein: middle plate (7) breach (9) of division skylight cell body (1) are parallelogram structure just breach (9) run through the whole width direction of middle plate (7), the appearance of spraying picture peg (2) with the shape of breach (9) is the same, and two nozzle (3) distribute be in the both ends of spraying picture peg (2), mining quick-operation joint (4) are arranged in fender coal board one side of this spraying picture peg (2).

6. A spray lubricatable open roof centre trough according to claim 5, wherein: the size of the bottom plate (8) is smaller than that of the middle plate (7), and when the bottom plate (8) is observed downwards from the upper part, the bottom plate is in a shielded and hidden state.