CN215905303U

CN215905303U - Positive pressure type weighing coal feeder sweeper

Info

Publication number: CN215905303U
Application number: CN202121911618.5U
Authority: CN
Inventors: 宋晓玲; 历建林; 王伟; 高华; 王东荣
Original assignee: Tianbo Chenye Mining Co ltd; Xinjiang Tianye Group Co Ltd
Current assignee: Tianbo Chenye Mining Co ltd; Xinjiang Tianye Group Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-25
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a positive pressure type weighing coal feeder sweeper, wherein a rotating shaft uniformly transversely penetrates through the lower end of the inner wall of a weighing coal feeder shell, a U-shaped base is welded at the lower end of the outer wall of the weighing coal feeder shell, and an installation and detection structure is fixedly assembled on the outer side wall of the U-shaped base; the rotating shaft is designed in an extending mode, so that the end of the rotating shaft extends to the outside of the weighing coal feeder shell, the mounting and detecting structure comprising the bearing seat and the chain breakage alarming structure is also arranged outside the weighing coal feeder shell, the influence of dust and high-humidity environment on the bearing is effectively avoided, and the phenomenon of blocking is avoided; the bearing is arranged outside the shell of the weighing coal feeder, so that the bearing is convenient to pump oil and maintain; the chain breakage alarm structure is arranged outside the shell of the weighing coal feeder, so that the problem of misinformation caused by accumulation of coal powder or coal blocks at the proximity switch is avoided, emergency stop of grinding caused by misinformation is further avoided, and time and energy waste is reduced.

Description

Positive pressure type weighing coal feeder sweeper

Technical Field

The utility model relates to the technical field of weighing coal feeder cleaners, in particular to a positive pressure weighing coal feeder cleaner.

Background

The coal feeder of weighing that pulverized coal workshop is totally closed equipment, and wherein the effect of sweeper is for cleaning the raw coal that drops to the bottom on the feeder belt of weighing, prevents that equipment bottom putty from causing equipment trouble.

1. Because the bearing of the weighing coal feeder sweeper is arranged in the equipment, the equipment access door needs to be removed for operation during oil pumping maintenance, time and labor are wasted, and the working efficiency is low;

2. because the weighing coal feeder is in a fully closed state during operation, the dust and the humidity in the equipment are large during the operation of the weighing coal feeder, the bearing of the sweeper operates in the severe environment, the service life of the bearing is short, the sweeper is easy to block, and the equipment maintenance frequency is high;

3. the sweeper chain breakage alarm device is also arranged inside equipment, when pulverized coal or coal blocks are accumulated at a proximity switch, the sweeper equipment can mistakenly report a chain breakage fault to cause emergency stop grinding, the emergency stop grinding belongs to high risk in a supervision list, great potential safety hazards exist, emergency stop grinding is caused for 2-3 times per month due to false alarm faults, the grinding needs to be started again after the faults are eliminated, the grinding machine does not produce powder for half an hour, and the power consumption of a powder making line is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positive pressure type weighing coal feeder sweeper to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a positive pressure type weighing coal feeder sweeper comprises a weighing coal feeder shell, wherein a rotating shaft penetrates through the lower end of the inner wall of the weighing coal feeder shell uniformly and transversely, the outer side of the rotating shaft is provided with a cleaning structure, the lower end of the outer wall of the shell of the weighing coal feeder is welded with a U-shaped base, a closed structure is arranged between the rotating shaft and the outer wall of the shell of the weighing coal feeder, the end part of the rotating shaft penetrates through the U-shaped base at the same side, the outer side wall of the U-shaped base is fixedly assembled with a mounting and detecting structure which comprises a mounting plate laid on the outer wall of the U-shaped base, the mounting plate is fixedly assembled on the U-shaped base through bolts, the middle part of the outer wall of the mounting plate is fixedly assembled with a bearing seat, the outer side end of the rotating shaft is fixedly assembled in the bearing inner ring surface of the bearing seat, and the end surface of the rotating shaft and the outer side of the mounting plate are provided with chain breakage alarm structures.

Preferably, chain rupture alarm structure includes the mounting bracket of fixed mounting in mounting panel outer wall lower extreme, mounting bracket outer wall upper end is run through and is fixed with proximity switch, the end fixing of pivot is equipped with the response iron, and the quantity of response iron has two, proximity switch fixedly connected with controller and alarm.

Preferably, the closed structure comprises stepped through holes arranged on the left side and the right side of the inner wall of the shell of the weighing coal feeder, baffles are inserted into the stepped through holes, the rotating shaft penetrates through the baffles, screw rods are fixedly assembled on the left side and the right side of the inner wall of the U-shaped base, two screw rods are vertically distributed on each side of the inner wall of the U-shaped base, the inner side ends of the screw rods penetrate through the same side, and nuts are screwed on the baffles.

Preferably, a rubber layer is fixedly adhered to the step of the inner wall of the step through hole, and the rubber layer is adhered to the step of the baffle plate.

Preferably, the cleaning structure comprises chains sleeved on all outer walls of the rotating shaft, the chains are driven by a driving device inside the weighing coal feeder, and scrapers are uniformly and fixedly assembled on the outer walls of the chains.

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

(1) the scheme is through prolonging the design with the pivot for the tip of pivot extends to the feeder shell outside of weighing, and including bearing frame and chain breakage warning structure's installation, detection structure also set up in the feeder shell outside of weighing, has effectively avoided the influence of dust and high humidity environment to the bearing, avoids the dead phenomenon of card to take place.

(2) Through setting up the bearing in the feeder shell outside of weighing, made things convenient for the maintenance of buying oil of bearing, need not to demolish the access door when the maintenance, improved work efficiency.

(3) The scheme sets up the broken chain alarm structure in weighing feeder shell outside, has avoided buggy or coal cinder to pile up the wrong report problem that causes in proximity switch department, and then has avoided the urgent mill that stops that the wrong report caused, has reduced the waste of time and energy.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. weighing the coal feeder shell; 2. a U-shaped base; 3. a rotating shaft; 4. a closed structure; 41. a stepped through hole; 42. a baffle plate; 43. a screw; 44. a nut; 45. a rubber layer; 5. mounting and detecting the structure; 51. mounting a plate; 52. a bearing seat; 53. a chain breakage alarm structure; 531. induction of iron; 532. a mounting frame; 533. a proximity switch; 6. a cleaning structure; 61. a chain; 62. a scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a positive pressure type weighing coal feeder sweeper comprises a weighing coal feeder shell 1, a rotating shaft 3 uniformly and transversely penetrates through the lower end of the inner wall of the weighing coal feeder shell 1, a sweeping structure 6 is assembled on the outer side of the rotating shaft 3, a U-shaped base 2 is welded at the lower end of the outer wall of the weighing coal feeder shell 1, a sealing structure 4 is arranged between the rotating shaft 3 and the outer wall of the weighing coal feeder shell 1, the end part of the rotating shaft 3 penetrates through the U-shaped base 2 at the same side, an installing and detecting structure 5 is fixedly assembled on the outer side wall of the U-shaped base 2, the installing and detecting structure 5 comprises an installing plate 51 laid on the outer wall of the U-shaped base 2, and the mounting plate 51 is fixedly assembled on the U-shaped base 2 through bolts, the middle part of the outer wall of the mounting plate 51 is fixedly assembled with a bearing seat 52, the outer side end of the rotating shaft 3 is fixedly assembled in the inner ring surface of a bearing of the bearing seat 52, and the end surface of the rotating shaft 3 and the outer side of the mounting plate 51 are assembled with a chain breakage alarm structure 53.

Raw coal falling to the bottom of the inner wall of the weighing coal feeder shell 1 on a coal feeder belt is cleaned in the weighing coal feeder shell 1 through a cleaning structure 6, so that equipment failure caused by material blockage at the bottom of the equipment is prevented; the end part of the rotating shaft 3 extends to the outside of the weighing coal feeder shell 1 by extending the rotating shaft 3, and the installation and detection structure 5 comprising the bearing seat 52 and the chain breakage alarm structure 53 is also arranged outside the weighing coal feeder shell 1, so that the influence of dust and high-humidity environment on the bearing is effectively avoided, and the phenomenon of blocking is avoided; the bearing is arranged outside the weighing coal feeder shell 1, so that the bearing can be conveniently oiled and maintained, an access door does not need to be removed during maintenance, and the working efficiency is improved; the chain breakage alarm structure 53 is arranged outside the weighing coal feeder shell 1, so that the problem of false alarm caused by accumulation of coal powder or coal blocks at the position of the proximity switch 533 is avoided, the emergency stop caused by the false alarm is further avoided, and the waste of time and energy is reduced.

Specifically, the chain breakage warning structure 53 comprises a mounting frame 532 fixedly assembled at the lower end of the outer wall of the mounting plate 51, a proximity switch 533 is fixedly penetrated through the upper end of the outer wall of the mounting frame 532, two induction irons 531 are fixedly assembled at the end part of the rotating shaft 3, and the proximity switch 533 is fixedly connected with a controller and an alarm; chain breakage warning structure 53 is prior art's application, and the scheme will set up and has shifted to the outside at the inside chain breakage warning structure 53 of weighing feeder coal machine shell 1, and has guaranteed the normal use of former function.

Specifically, the closed structure 4 comprises stepped through holes 41 arranged on the left side and the right side of the inner wall of the shell 1 of the weighing coal feeder, baffles 42 are inserted into the stepped through holes 41, the rotating shaft 3 penetrates through the baffles 42, two screws 43 are fixedly assembled on the left side and the right side of the inner wall of the U-shaped base 2, two screws 43 are vertically distributed on each side, and nuts 44 are screwed on the inner side ends of the screws 43 penetrating through the baffles 42 on the same side; through the design of the stepped through hole 41 and the baffle 42, the gap between the coal machine shell 1 and the rotating shaft 3 is sealed by the symmetrical weight, and the coal powder is prevented from entering.

Specifically, a rubber layer 45 is fixedly adhered to the step position of the inner wall of the step through hole 41, the rubber layer 45 is adhered to the step position of the baffle 42, and the design of the rubber layer 45 further improves the tightness between the weighing coal supply machine shell 1 and the rotating shaft 3.

Specifically, the cleaning structure 6 comprises chains 61 sleeved on the outer walls of all the rotating shafts 3, the chains 61 are driven by internal driving devices of the weighing coal feeder, and scrapers 62 are uniformly and fixedly assembled on the outer walls of the chains 61; the driving device is a speed reduction motor and a matched gear, the chain 61 is driven to drive the scraper 62 in the inner cavity of the weighing coal feeder shell 1 to rotate circularly, and raw coal falling to the bottom of the inner cavity of the weighing coal feeder shell 1 is cleaned by the scraper 62.

The working principle is as follows: in the weighing coal feeder shell 1, raw coal falling to the bottom of the inner wall of the weighing coal feeder shell 1 on a coal feeder belt is cleaned through a cleaning structure 6, so that equipment failure caused by material blockage at the bottom of the equipment is prevented; the end part of the rotating shaft 3 extends to the outside of the weighing coal feeder shell 1 by extending the rotating shaft 3, and the installation and detection structure 5 comprising the bearing seat 52 and the chain breakage alarm structure 53 is also arranged outside the weighing coal feeder shell 1, so that the influence of dust and high-humidity environment on the bearing is effectively avoided, and the phenomenon of blocking is avoided; the bearing is arranged outside the weighing coal feeder shell 1, so that the bearing can be conveniently oiled and maintained, an access door does not need to be removed during maintenance, and the working efficiency is improved; the chain breakage alarm structure 53 is arranged outside the weighing coal feeder shell 1, so that the problem of false alarm caused by accumulation of coal powder or coal blocks at the position of the proximity switch 533 is avoided, the emergency stop caused by the false alarm is further avoided, and the waste of time and energy is reduced.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positive pressure formula feeder sweeper of weighing, includes the feeder shell of weighing (1), its characterized in that: the weighing coal feeder is characterized in that a rotating shaft (3) is uniformly and transversely penetrated through the lower end of the inner wall of the weighing coal feeder shell (1), a cleaning structure (6) is assembled on the outer side of the rotating shaft (3), a U-shaped base (2) is welded at the lower end of the outer wall of the weighing coal feeder shell (1), a sealing structure (4) is arranged between the rotating shaft (3) and the outer wall of the weighing coal feeder shell (1), the end part of the rotating shaft (3) penetrates through the U-shaped base (2) at the same side, an installation and detection structure (5) is fixedly assembled on the outer side wall of the U-shaped base (2), the installation and detection structure (5) comprises an installation plate (51) laid on the outer wall of the U-shaped base (2), the installation plate (51) is fixedly assembled on the U-shaped base (2) through bolts, a bearing seat (52) is fixedly assembled in the middle part of the outer wall of the installation plate (51), and the outer side end of the rotating shaft (3) is fixedly assembled in the inner ring surface of the bearing seat (52), and a chain breakage alarm structure (53) is assembled on the end surface of the rotating shaft (3) and the outer side of the mounting plate (51).

2. The positive pressure weighing coal feeder sweeper of claim 1, wherein: chain rupture alarm structure (53) are including fixed mounting in mounting panel (51) outer wall lower extreme mounting bracket (532), mounting bracket (532) outer wall upper end is run through and is fixed with proximity switch (533), the tip fixed mounting of pivot (3) has response iron (531), and the quantity of response iron (531) has two, proximity switch (533) fixedly connected with controller and alarm.

3. The positive pressure weighing coal feeder sweeper of claim 1, wherein: the closed structure (4) comprises stepped through holes (41) arranged on the left side and the right side of the inner wall of the weighing coal feeder shell (1), baffle plates (42) are inserted into the stepped through holes (41), the rotating shaft (3) penetrates through the baffle plates (42), screw rods (43) are fixedly assembled on the left side and the right side of the inner wall of the U-shaped base (2), two screw rods (43) are distributed on each side up and down, the inner side ends of the screw rods (43) penetrate through the same side, and nuts (44) are screwed on the baffle plates (42).

4. A positive pressure weighing coal feeder sweeper as claimed in claim 3, wherein: the rubber layer (45) is fixedly adhered to the step position of the inner wall of the step through hole (41), and the rubber layer (45) is adhered to the step position of the baffle plate (42).

5. The positive pressure weighing coal feeder sweeper of claim 1, wherein: clean structure (6) including cup joint in all chain (61) of pivot (3) outer wall, and chain (61) drive through the inside drive device of coal feeder that weighs, the even fixed scraper blade (62) that are equipped with of chain (61) outer wall.