阅读说明：本技术 一种给煤机上闸板防卡开关装置 (Upper gate plate anti-blocking switch device of coal feeder ) 是由 方铮 徐润鑫 曾向荣 谢俊凯 林业桂 李振扬 王丽霞 汤瑞锋 周建章 杨宝锷 马 于 2021-07-23 设计创作，主要内容包括：本发明涉及给煤机上闸板技术领域,尤其涉及一种给煤机上闸板防卡开关装置,包括电机、变速箱、链条、外壳、落煤口、旋转阀芯、下煤口、转轴、卡齿、刮板、刮片、启停器、手动把手,本发明一种给煤机上闸板防卡开关装置的优点为,本发明旋转阀芯为一圆盘型齿轮结构齿轮外圈套用链条,通过电机驱动变速箱带动链条使旋转阀芯旋转,电机动作时旋转阀芯旋转至下煤口正对落煤口时对给煤机下煤,旋转至旋转阀芯堵住落煤口时隔断下煤,本发明可消除阀门关不严的情况,提高设备运行的安全可靠性。(The invention relates to the technical field of an upper gate plate of a coal feeder, in particular to an anti-blocking switch device for the upper gate plate of the coal feeder, which comprises a motor, a gearbox, a chain, a shell, a coal dropping port, a rotary valve core, a coal dropping port, a rotating shaft, a latch, a scraper, a start-stop device and a manual handle.)

1. An anti-blocking switch device for an upper brake plate of a coal feeder is characterized by comprising a motor, a gearbox, a chain, a shell, a coal dropping port, a rotary valve core, a coal dropping port, a rotary shaft and a latch, wherein the coal dropping port is arranged on one side of the upper surface of the shell, the coal dropping port is a vertical through hole, the upper end of the rotary shaft is arranged at the center of the inner top of the shell, the lower end of the rotary shaft is arranged at the center of the inner bottom of the shell, the rotary shaft is arranged at the position of the central shaft of the rotary valve core, the coal dropping port is arranged in the rotary valve core, the coal dropping port is a vertical through hole, the coal dropping port is arranged on the side surface of the rotary shaft, the latch is arranged on the periphery of the rotary valve core, the motor is arranged on the gearbox, the gearbox is arranged on the side surface of the shell, the gearbox is connected with the latch through the chain, and is driven to rotate by the motor, the gearbox rotates to drive the chain to rotate, the chain rotates to drive the latch to rotate, and the latch and the rotary valve element rotate together.

2. The anti-seize switch device for the upper gate plate of the coal feeder as claimed in claim 1, wherein the opening diameter of the lower coal port is larger than the opening diameter of the coal drop port.

3. The anti-jamming switch device for the upper brake plate of the coal feeder as claimed in claim 1, wherein a start-stop device is arranged below the gearbox, the start-stop device controls start and stop of the gearbox, and the start-stop device is linked with the coal feeder.

4. The anti-seize switch device of the upper gate plate of the coal feeder as claimed in claim 1, wherein a plurality of scrapers are provided at the lower surface edge of the rotary valve core, and the scrapers are vertically and fixedly welded at the lower surface edge of the rotary valve core.

5. The anti-seize switch device for the upper gate plate of the coal feeder as claimed in claim 1, wherein a plurality of scrapers are disposed at the top inside the housing, and the scrapers are fixedly disposed at the upper end face inside the housing.

6. The coal feeder upper gate anti-seize switch device according to claim 4 or 5, wherein the scraper and the scraper are made of copper.

7. The anti-seize switch device for the upper gate plate of the coal feeder as claimed in claim 1, wherein the lower ports are provided in two and are symmetrically provided on the rotary valve core.

8. The anti-seize switch device for the upper gate plate of the coal feeder as claimed in claim 5, wherein the edge of the said scraper is concave arc.

9. The anti-seize switch device of the upper gate plate of the coal feeder as claimed in claim 4, wherein the scraper is in the shape of a right trapezoid, and the lower end section of the scraper is attached to the coal inlet of the coal feeder.

10. The anti-jamming switch device for the upper brake plate of the coal feeder as claimed in claim 1, wherein a manual handle is added below the gearbox, and the manual handle is linked with the motor.

Technical Field

The invention relates to the technical field of upper gate plates of coal feeders, in particular to an anti-blocking switch device for the upper gate plates of the coal feeders.

Background

An upper flashboard is arranged between the coal feeder and the coal bunker and used for controlling the supply and the cut-off of coal in the coal bunker, the upper flashboard door of the existing coal feeder is a spile door, the flashboard and a valve body are easy to cause the untight closing of the flashboard door due to the sticking of crushed coal, the coal feeder cannot cut coal, when the coal feeder is stopped, the coal can be left to be spontaneously combusted, and the explosion can be caused in serious cases.

Among the prior art, patent CN201620395219 discloses a card-proof type feeder slide valve, and this patent utilizes the pull of screw rod to realize that the removal of the first flashboard of non-trompil and trompil second flashboard solves the problem of jam, but the essence still continues the design of picture peg door, and in the pull in-process of ooff valve, the junction of screw rod and first flashboard still has partial broken coal viscous, leads to the pull of flashboard to be obstructed, leads to unable coal discharging, and the unit can't move smoothly, causes serious economic loss.

Disclosure of Invention

The invention aims to provide an anti-blocking switch device for a flashboard on a coal feeder, which is used for solving the problem that the coal feeder cannot break coal because the flashboard and a valve body are easy to cause the untight closing of a flashboard door due to the adhesion of crushed coal.

The invention provides an anti-blocking switch device for an upper brake plate of a coal feeder, which comprises a motor, a gearbox, a chain, a shell, a coal dropping port, a rotary valve core, a coal dropping port, a rotating shaft and a latch, wherein the coal dropping port is arranged on one side of the upper surface of the shell, the coal dropping port is a vertical through hole, the upper end of the rotating shaft is arranged at the center of the top in the shell, the lower end of the rotating shaft is arranged at the center of the bottom in the shell, the rotating shaft is arranged at the position of the central shaft of the rotary valve core, the coal dropping port is arranged in the rotary valve core, the coal dropping port is a vertical through hole, the coal dropping port is arranged on the side surface of the rotating shaft, the latch is arranged on the periphery of the rotary valve core for one circle, the motor is arranged on the gearbox, the gearbox is arranged on the side surface of the shell, the gearbox is connected with the latch through the chain, and is driven to rotate by the motor, the gearbox rotates to drive the chain to rotate, the chain rotates to drive the latch to rotate, and the latch and the rotary valve element rotate together.

Preferably, the opening diameter of the coal dropping port is larger than that of the coal dropping port, so that coal is not easy to stick to the coal dropping port.

Preferably, a start-stop device is arranged below the gearbox, the start-stop device controls the start and stop of the gearbox, the start-stop device is linked with the coal feeder, whether coal is cut off or not can be automatically detected after the coal feeder is stopped, and the coal is automatically cut off if the coal is not cut off.

Preferably, a plurality of scrapers are arranged at the edge of the lower surface of the rotary valve core, and the scrapers are vertically and fixedly welded at the edge of the lower surface of the rotary valve core, so that part of coal adhered under the rotary valve core can be scraped during rotation, and blockage is prevented from accumulation.

Preferably, a plurality of scraping blades are arranged at the top in the shell, the scraping blades are fixedly arranged on the upper end face in the shell, and coal on the rotary valve core can be pushed to the coal outlet during rotation.

Preferably, the scraping plate and the scraping plate are made of copper, and the copper scraping plate and the scraping plate cannot generate sparks, so that the running safety is ensured.

Preferably, the two coal feeding ports are symmetrically arranged on the rotary valve core, the rotary valve core can be opened and closed only by rotating 90 degrees, and when one coal feeding port is blocked, the other coal feeding port can be used, so that the loss caused by blocking is reduced.

Preferably, the edge of the scraping blade is in an inwards concave arc shape, so that coal stuck on the rotary valve core can fall to the coal outlet.

Preferably, the scraper blade shape is right trapezoid, and scraper blade lower extreme tangent plane and feeder coal inlet laminating for strike off and glue coal efficiency higher.

Preferably, a manual handle is added below the gearbox, the manual handle is linked with the motor, and when the motor or the gearbox is broken, the manual handle can be used for switching operation.

According to the scheme, the anti-blocking switch device for the upper brake plate of the coal feeder has the advantages that the rotary valve core is a chain sleeved on the outer ring of the gear with a disc-shaped gear structure, the chain is driven by the motor to drive the gearbox to drive the rotary valve core to rotate, when the motor acts, the rotary valve core rotates until the coal outlet is opposite to the coal outlet, coal is discharged to the coal feeder, and when the rotary valve core rotates to block the coal outlet, the coal is separated, so that the situation that the valve is not tightly closed can be eliminated, and the safety and the reliability of equipment operation are improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an external top view of an upper gate anti-seize switch assembly for a coal feeder of the present invention;

FIG. 2 is a top view of the interior of an upper gate anti-seize switch assembly for a coal feeder of the present invention;

FIG. 3 is a side cross-sectional view of an anti-seize switch device for the upper gate plate of a coal feeder of the present invention;

description of reference numerals:

1. the coal feeding device comprises a motor, 2, a gearbox, 3, a chain, 4, a shell, 5, a coal dropping port, 6, a rotary valve core, 7, a coal feeding port, 8, a rotating shaft, 9, a clamping tooth, 10, a scraping plate, 11, a scraping plate, 12, a start-stop device, 13 and a manual handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the invention provides an anti-seize switch device for an upper gate plate of a coal feeder, which comprises a motor 1, a gearbox 2, a chain 3, a shell 4, a coal dropping port 5, a rotary valve core 6, a coal dropping port 7, a rotary shaft 8 and a latch 9, wherein the coal dropping port 5 is arranged on one side of the upper surface of the shell 4, the coal dropping port 5 is a vertical through hole, the upper end of the rotary shaft 8 is arranged at the center of the top inside the shell 4, the lower end of the rotary shaft 8 is arranged at the center of the bottom inside the shell 4, the rotary shaft 8 is arranged at the position of the central shaft of the rotary valve core 6, the coal dropping port 7 is arranged inside the rotary valve core 6, the coal dropping port 7 is a vertical through hole, the coal dropping port 7 is arranged on the side surface of the rotary shaft 8, the latch 9 is arranged on the periphery of the rotary valve core 6 for one circle, the motor 1 is arranged on the gearbox 2, the gearbox 2 is arranged on the side face of the shell 4, the gearbox 2 is connected with the latch 9 through the chain 3, the motor 1 rotates to drive the gearbox 2 to rotate, the gearbox 2 rotates to drive the chain 3 to rotate, the chain 3 rotates to drive the latch 9 to rotate, and the latch 9 and the rotary valve core 6 rotate together.

Preferably, the opening diameter of the coal outlet 7 is larger than that of the coal outlet 5, so that coal is not easy to stick to the coal outlet 7.

Preferably, a start-stop device 12 is arranged below the gearbox 2, the start-stop device 12 controls the start-stop of the gearbox 2, the start-stop device 12 is linked with the coal feeder, whether coal is cut off or not can be automatically detected after the coal feeder is stopped, and the coal is automatically cut off if the coal is not cut off.

Preferably, a plurality of scrapers 10 are arranged at the edge of the lower surface of the rotary valve core 6, the scrapers 10 are vertically and fixedly welded at the edge of the lower surface of the rotary valve core 6, and part of coal adhered to the lower surface of the rotary valve core 6 can be scraped during rotation, so that accumulation and blockage are prevented.

Preferably, a plurality of scraping blades 11 are arranged at the top inside the shell 4, and the scraping blades 11 are fixedly arranged on the upper end surface inside the shell 4 and can push coal on the rotary valve core 6 to the coal outlet 7 when rotating.

Preferably, the scraper 10 and the scraper 11 are made of copper, and the copper scraper 10 and the scraper 11 do not generate sparks, so that the running safety is ensured.

Preferably, the two coal feeding ports 7 are symmetrically arranged on the rotary valve core 6, the rotary valve core 6 can be switched on and off only by rotating 90 degrees, and when one coal feeding port 7 is blocked, the other coal feeding port 7 can be used, so that the loss caused by the blockage is reduced.

Preferably, the edge of the scraping blade 11 is in a concave arc shape, so that coal stuck on the rotary valve core 6 can fall to the coal outlet 7.

Preferably, the scraper 10 is in a right trapezoid shape, and the lower end section of the scraper 10 is attached to a coal inlet of a coal feeder, so that the efficiency of scraping and adhering coal is higher.

Preferably, a manual handle 13 is added below the gearbox 2, the manual handle 13 is linked with the motor 1, and when the motor 1 or the gearbox 2 is broken, the manual handle 13 can be used for switching operation.

Example 1

Referring to fig. 1, 2 and 3, when coal is to be discharged, the motor 1 is driven to rotate, the motor 1 drives the chain 3 to rotate after the rotation speed of the motor 1 is adjusted by the gearbox 2, the chain 3 drives the rotary valve core 6 to rotate, the rotary valve core 6 is the chain 3 sleeved on the outer ring of the gear with the disc-shaped gear structure, when the rotary valve core 6 rotates until the coal discharge port 7 is opposite to the coal discharge port 5, the motor 1 stops driving, meanwhile, the rotary valve core 6 stops rotating and stays at the position where the coal discharge port 7 is aligned with the coal discharge port 5, and at the moment, coal in a coal bunker falls down and enters the coal feeder through the coal discharge port 7 and the coal discharge port 5 to complete the coal discharge operation.

When the coal is to be cut off, the driving motor 1 rotates, the motor 1 drives the chain 3 to rotate after the rotating speed of the gearbox 2 is adjusted, the chain 3 drives the rotary valve core 6 to rotate, when the rotary valve core 6 rotates to the position where the core blocks the coal drop port 5, the motor 1 stops driving, meanwhile, the rotary valve core 6 stops rotating and stays at the position where the core blocks the coal drop port 5, at the moment, the coal in the coal bunker is blocked by the core, and the coal cutting operation is completed. The invention can eliminate the condition that the valve is not tightly closed, and improve the safety and reliability of the operation of the equipment.

Example 2

Referring to fig. 1, 2 and 3, when coal is to be discharged, the motor 1 is driven to rotate, the motor 1 drives the chain 3 to rotate after the rotation speed of the motor 1 is adjusted by the gearbox 2, the chain 3 drives the rotary valve core 6 to rotate, the rotary valve core 6 is the chain 3 sleeved on the outer ring of the gear with the disc-shaped gear structure, when the rotary valve core 6 rotates until the coal discharge port 7 is opposite to the coal discharge port 5, the motor 1 stops driving, and the rotary valve core 6 stops rotating and stays at the position where the coal discharge port 7 is aligned with the coal discharge port 5, coal in a coal bunker falls down and enters the coal feeder through the coal discharge port 7 and the coal discharge port 5, the opening diameter of the coal discharge port 7 is larger than that of the coal discharge port 5, so that the coal is not easy to stick to the coal discharge port 7, and the coal discharge operation is completed.

When coal is to be cut off, the motor 1 is driven to rotate, the motor 1 drives the chain 3 to rotate after the rotating speed is adjusted through the gearbox 2, the chain 3 drives the rotary valve core 6 to rotate, when the rotary valve core 6 rotates to the position that the core body blocks the coal drop opening 5, the motor 1 stops driving, meanwhile, the rotary valve core 6 stops rotating and stays at the position that the core body blocks the coal drop opening 5, coal in a coal bunker is blocked by the core body at the moment, a plurality of scraping plates 10 are arranged at the edge of the lower surface of the rotary valve core 6, the scraping plates 10 are vertically and fixedly welded at the edge of the lower surface of the rotary valve core 6, the shape of each scraping plate 10 is a right trapezoid, the lower end section of each scraping plate 10 is attached to a coal inlet of a coal feeder, coal adhered between the lower part of the rotary valve core 6 and the coal inlet of the coal feeder can be more effectively scraped when the rotary valve core 6 rotates, accumulation and blockage can be prevented, a plurality of scraping plates 11 are arranged at the top in the shell 4, the scraping blade 11 is fixedly arranged on the upper end face in the shell 4, when the rotary valve core 6 rotates, because the scraping blade 11 is fixedly arranged, the edge of the scraping blade 11 is in an inwards concave arc shape, coal adhered to the rotary valve core 6 can be pushed to the coal discharge port 7 by the scraping blade 11, the scraping blade 10 and the scraping blade 11 are made of copper, the copper scraping blade 10 and the scraping blade 11 cannot generate sparks, the safety in operation is ensured, the coal discharge ports 7 are arranged in two, the rotary valve core 6 is symmetrically arranged, the rotary valve core 6 can be switched on and off only by rotating 90 degrees, and when one coal discharge port 7 is blocked, the other coal discharge port 7 can be used, so that the loss caused by blocking is reduced. At this point the coal cut-off operation is complete. The invention can eliminate the condition that the valve is not tightly closed, and improve the safety and reliability of the operation of the equipment.

Example 3

Referring to fig. 1, 2 and 3, when coal is to be discharged, the motor 1 is driven to rotate, the motor 1 drives the chain 3 to rotate after the rotation speed of the motor 1 is adjusted by the gearbox 2, the chain 3 drives the rotary valve core 6 to rotate, the rotary valve core 6 is the chain 3 sleeved on the outer ring of the gear with the disc-shaped gear structure, when the rotary valve core 6 rotates until the coal discharge port 7 is opposite to the coal discharge port 5, the motor 1 stops driving, meanwhile, the rotary valve core 6 stops rotating and stays at the position where the coal discharge port 7 is aligned with the coal discharge port 5, and at the moment, coal in a coal bunker falls down and enters the coal feeder through the coal discharge port 7 and the coal discharge port 5 to complete the coal discharge operation.

When the coal is to be cut off, the driving motor 1 rotates, the motor 1 drives the chain 3 to rotate after the rotating speed of the gearbox 2 is adjusted, the chain 3 drives the rotary valve core 6 to rotate, when the rotary valve core 6 rotates to the position where the core blocks the coal drop port 5, the motor 1 stops driving, meanwhile, the rotary valve core 6 stops rotating and stays at the position where the core blocks the coal drop port 5, at the moment, the coal in the coal bunker is blocked by the core, and the coal cutting operation is completed. Set up one and open and stop ware 12 below gearbox 2, open and stop ware 12 control the opening and stopping of gearbox 2, open and stop ware 12 and the feeder linkage, can whether the coal is cut off by automated inspection after the feeder is shut down, if not can carry out the coal automatically cutting off the coal, 2 below of gearbox increases a manual handle 13, manual handle 13 with motor 1 linkage when motor 1 or gearbox 2 are bad, can use manual handle 13 to carry out on-off operation. The invention can eliminate the condition that the valve is not tightly closed, and improve the safety and reliability of the operation of the equipment.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.