CN211247637U - Blockage removing machine with built-in rotary scraper mounted outside narrow blanking pipe - Google Patents

Abstract

The utility model provides a clear stifled machine of built-in rotatory scraper of narrow blanking pipe external installation, clear stifled equipment field of pipeline, be provided with the middle part rotator among the clear stifled machine, including slewing bearing, the perpendicular direction in middle part rotator below rotates respectively and is connected with upper tube body and lower tube body, slewing bearing seals and sets up in the bearing box, the bearing box sets up on the box bottom plate, on the box, lower plate respectively with upper tube body, lower tube body periphery fixed connection, be provided with the fixed keyway seat of rotatory scraper on the rotator inner wall in middle part, be provided with the installation hand hole on upper tube body and the lower tube body respectively, the local environmental sanitation in can improving the factory building, guarantee environmental quality, and the rotatory scraper installation of the minor diameter blanking pipe of being convenient for, prevent blanking pipe blockage, guarantee the smooth operation of equipment, reduce the loss of stopping production that brings because of pipeline blockage.

Description

Blockage removing machine with built-in rotary scraper mounted outside narrow blanking pipe

Technical Field

The utility model relates to a clear stifled machine, in particular to clear stifled machine of the built-in rotatory scraper of narrow blanking pipe outside of tubes installation belongs to clear stifled quick-witted field.

Background

In the production equipment of raw coal bunker of thermal power plant, large coal storage bunker of coal mine, large storage bunker of mine field, large storage bunker of cement plant, coal tower of coking plant, etc., need to transport and transmit the powdery material, the supplies of powder class are in the course of transmitting, because there are reasons such as moisture, etc. in the powder inside, can appear the powder to block up the phenomenon in the transmission line, especially in the course of pulverized coal conveying, block up the problem that the problem often happens, in order to prevent the emergence of this kind of phenomenon, usually use the clear-up machine to block up, pulverized coal, etc. used in some large-scale plants are all very large in diameter, even the scraper is set up in the inner wall of feed bin, the operating personnel can enter the feed bin to carry on the disassembling and assembling; however, for a thin material conveying pipeline, the scraper cannot enter the pipeline to be installed, blockage cannot be cleared, once the blockage occurs, the production line is shut down, certain economic loss is caused, the blockage problem in the thin material conveying pipeline can be solved, and the problem existing in the powder conveying process is solved.

Disclosure of Invention

To in the present powder transfer process, the easy problem that is difficult to the mediation of blockking up that exists in the thinner conveying pipeline, the utility model provides a clear stifled machine of built-in rotatory scraper of narrow blanking pipe outside of tubes installation, its purpose prevents exposing of powder, and the sanitation of protection workplace improves environmental quality, makes things convenient for the installation of rotatory scraper, keeps the unblocked of blanking pipe, prevents to stop work the production because of pipeline blocking brings.

The technical scheme of the utility model is that: a blockage removing machine with a built-in rotary scraper mounted outside a narrow blanking pipe comprises a rotary bearing with an outer toothed ring, wherein a middle rotary body is arranged in the blockage removing machine, an upper pipe body and a lower pipe body are respectively and rotatably connected to the upper part and the lower part of the middle rotary body in the vertical direction, the middle rotary body comprises the rotary bearing, the rotary bearing is hermetically arranged in a bearing box body, the bearing box body is arranged between the upper bottom plate and the lower bottom plate of the box body, the upper bottom plate and the lower bottom plate of the box body are respectively and fixedly connected with the outer peripheries of the upper pipe body and the lower pipe body through an upper support and a lower support, a fixed key groove seat of the rotary scraper is arranged on the inner wall of the middle rotary body, a rotary scraper fixing key in the vertical direction is arranged on the fixed key groove seat, mounting hand holes are respectively arranged on the upper pipe body;

furthermore, an outer gear ring of the slewing bearing is integrated with the upper and lower rotating end faces of the slewing bearing, an upper connecting piece and a lower connecting piece of the slewing bearing are respectively fixed on the upper and lower rotating end faces of the slewing bearing, and the upper connecting piece and the lower connecting piece are respectively in sealed rotating connection with the upper pipe body and the lower pipe body;

furthermore, an output shaft gear of a speed reducer is meshed on an outer gear ring of the slewing bearing, an input shaft of the speed reducer is connected with a motor, and the speed reducer is arranged on the bearing box body;

furthermore, a fixed key matched with the fixed key groove seat is arranged at the middle section of the rotary scraper, the rotary scraper is a linear scraper, the number of the scrapers is one, and the distances between the rotary scraper and the inner walls of the upper pipe body and the lower pipe body are equal;

further, the diameter of the blanking pipe is equal to the diameters of the upper pipe body and the lower pipe body, the blanking pipe is connected with the upper pipe body and the lower pipe body through flange bolts, and the inner diameter of the blanking pipe is 200-500 mm;

furthermore, the sealing connection comprises the end sealing connection and the external sealing connection between the upper connecting piece of the slewing bearing and the upper pipe body and between the lower connecting piece of the slewing bearing and the lower pipe body;

furthermore, the end face between the upper connecting piece of the slewing bearing and the upper pipe body is connected in a combined type upper sealing mode, the end face between the lower connecting piece of the slewing bearing and the lower pipe body is connected in a combined type lower sealing mode, the external seal comprises a sealing packing between the inner periphery of the upper connecting piece and the outer periphery of the upper pipe body, and a sealing packing between the inner periphery of the lower connecting piece and the outer periphery of the lower pipe body.

The utility model has the positive effects that the middle rotator is arranged in the rotary blockage removing machine, and the upper tube body and the lower tube body are respectively connected in a rotating way in the vertical direction above and below the middle rotator, so that a linear rotary scraper can be arranged on the inner side of the middle rotator to remove blockage of the upper and lower discharging tubes in the vertical direction; the rotary bearing is arranged in the bearing box body in a closed mode, the bearing box body is arranged on the box body bottom plate, the box body and the bottom plate can be connected into a whole, then the upper support and the lower support are respectively fixedly connected with the outer peripheries of the upper pipe body and the lower pipe body in the upper direction and the lower direction of the box body bottom plate, a plurality of fixed parts can be connected into a whole, and the stability of the rotary bearing is guaranteed; the fixed key groove seat of the rotary scraper is arranged on the inner wall of the middle rotating body, the rotary scraper fixed key matched with the fixed key groove seat can be arranged on the fixed key groove seat along the vertical direction of the key groove seat, and particularly, the mounting hand holes of the rotary scraper are formed in the upper pipe body and the lower pipe body, so that the rotary scraper can be mounted by extending hands from the outer sides of the upper pipe body and the lower pipe body, the problem that operators cannot enter the inside of the blanking pipe is solved, and the rotation of the rotary scraper on the inner periphery of the blanking pipe is ensured; the upper rotating end face and the lower rotating end face of the slewing bearing are connected with the outer gear ring of the slewing bearing, the upper connecting piece and the lower connecting piece of the slewing bearing are respectively fixed on the upper rotating end face and the lower rotating end face to form a middle rotating body, the upper connecting piece and the lower connecting piece are favorably utilized to be connected with the upper pipe body and the lower pipe body in a sealing and rotating way, particularly, a combined upper sealing mode is adopted between the upper connecting piece and the upper pipe body, a combined lower sealing mode is adopted between the lower connecting piece and the lower pipe body, meanwhile, external sealing is adopted at the outer periphery of the upper pipe body and the lower pipe body, the sealing degree is improved, the dust can be effectively prevented from being splashed to the outside, the environmental sanitation of a production factory building is favorably maintained, the environmental pollution caused by the dust is prevented, the utility model not only can improve the environmental sanitation in, prevent blanking pipeline jam, guarantee the smooth operation of equipment, reduce the loss of stopping production because of the pipeline blocks up and brings.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a schematic sectional view along a-a in fig. 2.

Description of reference numerals: 10-mounting hand hole, 11-rotating scraper, 11 a-fixed key groove seat, 12-bearing box body, 13 a-upper tube body, 13 b-lower tube body, 14 a-upper support, 14 b-lower support, 15 a-upper connecting piece, 15 b-lower connecting piece, 16-rotary bearing, 16 a-external gear ring, 17 a-box body upper bottom plate, 17 b-box body lower bottom plate, 18 a-upper fixing plate, 18 b-lower fixing plate, 19 a-upper end sealing sleeve, 19 b-lower end sealing sleeve, 20 a-upper sealing packing, 20 b-lower sealing packing, 21-motor, 22-speed reducer, 23-output shaft, 23 a-output shaft gear, 24-shaft sleeve, 25-end cover, 26-spacing sleeve, 27-bearing through cover.

Detailed Description

The technical scheme of the invention is explained in more detail with reference to the attached drawings.

The technical scheme of the utility model is that: the utility model provides a clear stifled machine of built-in rotatory scraper of narrow blanking outside of tubes installation, figure 1 is the utility model discloses an overall structure picture, figure 2 is the utility model discloses a overlook the structure picture. The blockage removing machine comprises a rotary bearing 16 with an outer gear ring 16a, a middle rotary body is arranged in the blockage removing machine, an upper pipe body 13a and a lower pipe body 13b are respectively and rotatably connected with the upper part and the lower part of the middle rotary body in the vertical direction, the middle rotary body comprises the rotary bearing 16, the rotary bearing 16 is hermetically arranged in a bearing box body 12, the bearing box body 12 is arranged between an upper box body bottom plate 17a and a lower box body bottom plate 17b, the upper box body bottom plate 17a and the lower box body bottom plate 17b are respectively and fixedly connected with the peripheries of the upper pipe body 13a and the lower pipe body 13b by an upper support 14a and a lower support 14b respectively, a fixed key groove seat 11a of a rotary scraper 11 is arranged on the inner wall of the middle rotary body, a fixed key scraper 11 fixed key in the vertical direction is arranged on the fixed key groove seat 11a, and mounting hand holes 10 are respectively arranged on the upper pipe body 13a and the, the mounting hand hole 10 is provided with a detachable cover plate, the cover plate is opened when the blanking pipe blockage removing machine is replaced and a scraper is mounted, the replacement and the mounting are carried out from the upper mounting hand hole and the lower mounting hand hole outside the blockage removing machine, the middle rotating body is rotated in a manual mode to rotate the fixed key groove seat 11a to be close to the mounting hand hole 10, the mounting, the dismounting and the maintenance are carried out, and the blockage removing machine is provided with a control box;

fig. 3 is a schematic sectional view along a-a in fig. 2. The outer gear ring 16a of the slewing bearing 16 is integrated with the upper and lower rotating end faces of the slewing bearing 16, the upper and lower rotating end faces of the slewing bearing 16 are respectively fixed with an upper connecting piece 15a and a lower connecting piece 15b of the slewing bearing 16, and the upper connecting piece 15a and the lower connecting piece 15b are respectively connected with the upper pipe body 13a and the lower pipe body 13b in a sealing and rotating manner.

An output shaft gear 23a arranged on an output shaft 23 of a speed reducer 22 is meshed on an outer gear ring 16a of the slewing bearing 16, a motor 21 is connected on an input shaft of the speed reducer 22, 24 is a shaft sleeve of the output shaft of the speed reducer, 25 is a lower end cover of the output shaft of the speed reducer, 26 is a spacing sleeve of the output shaft of the speed reducer, and 27 is a bearing transparent cover of the output shaft of the speed reducer.

The reduction gear 22 is provided on the bearing housing 12 extending to the reduction gear side.

And a frequency converter and a time relay are arranged in the control box and are connected with the motor 21.

The middle section of the rotary scraper 11 is provided with a fixed key matched with the fixed key groove seat 11a, the rotary scraper 11 is a linear scraper, the number of the scrapers is one, and the distance between the rotary scraper 11 and the inner walls of the upper pipe body 13a and the lower pipe body 13b is equal.

The diameter of the blanking pipe is equal to the diameters of the upper pipe body 13a and the lower pipe body 13b, the blanking pipe is connected with the flange pull baskets between the upper pipe body 13a and the lower pipe body 13b, and the diameter of the blanking pipe is 500mm at 200.

The sealed connection comprises the end part sealed connection and external sealed connection between the upper connecting piece 15a of the slewing bearing 16 and the upper pipe body 13a and between the lower connecting piece 15b and the lower pipe body 13 b; the end seals are sealingly connected by an upper end sealing gland 9a and a lower end sealing gland 19 b.

The end face connection between the upper connecting piece 15a of the slewing bearing 16 and the upper pipe body 13a is a combined upper sealing mode, the end face connection between the lower connecting piece 15b of the slewing bearing 16 and the lower pipe body 13b is a combined lower sealing mode, the external seal comprises an upper sealing packing 20a between the inner periphery of the upper connecting piece 15a and the outer periphery of the upper pipe body 13a, and a lower sealing packing 20b between the inner periphery of the lower connecting piece 15b and the outer periphery of the lower pipe body 13 b. The upper and lower sides of the upper and lower seal packing 20a and 20b are respectively provided with a stopper to limit the upper and lower seal packing 20a and 20b at a fixed position.

Here, the combined lower sealing method and the combined upper sealing method belong to the prior art.

The combined lower sealing mode utilizes a lower end sealing sleeve 19b, the lower end sealing sleeve 19b is formed by arranging an upward groove on the upper pipe body 13a relative to the upper connecting piece 15a, an oil-resistant rubber sealing strip is arranged in the groove, oil is arranged in the groove, and the oil-resistant rubber sealing strip is in rotating contact with the end face of the upper connecting piece 15 a.

The combined upper sealing mode utilizes an upper end sealing sleeve 19a, the upper end sealing sleeve 19a is formed by arranging a downward groove on a lower connecting piece 15b opposite to the lower pipe body 13b, an oil-resistant rubber sealing strip is arranged in the groove, lubricating grease is coated on the periphery of the oil-resistant rubber sealing strip, and the oil-resistant rubber sealing strip is in rotating contact with the end face of the lower pipe body 13 b.

The upper end face and the lower end face of the upper pipe body 13a and the lower end face of the lower pipe body 13b in the device are respectively provided with an upper pipe body flange and a lower pipe body flange, so that connection between the upper pipe body flange and the lower pipe body flange and the blanking pipes at the upper part and the lower part of the upper pipe body flange and the lower part of the lower.

The utility model has the positive effects that the middle rotator is arranged in the rotary blockage removing machine, and the upper tube body 13a and the lower tube body 13b are respectively connected in a rotating way in the vertical direction above and below the middle rotator, so that the linear rotary scraper 11 can be arranged inside the middle rotator to remove blockage of the upper and lower discharging tubes in the vertical direction; by arranging the bearing box body 12, the rotary bearing 16 is arranged in the bearing box body 12 in a closed manner, and the bearing box body 12 is arranged between the upper box body bottom plate 17a and the lower box body fixing plate 18b, so that the box body, the upper box body bottom plate 17a and the lower box body fixing plate 18b can be connected into a whole, then the upper support 14a and the lower support 14b are respectively fixedly connected with the peripheries of the upper pipe body 13a and the lower pipe body 13b in the upper and lower directions of the box body bottom plate, a plurality of fixed parts can be connected into a whole, and the stability of the parts is ensured; the fixed key slot seat 11a of the rotary scraper is arranged on the inner wall of the middle rotary body, the fixed key slot seat 11a can be provided with the rotary scraper 11 fixed key matched with the fixed key slot seat along the vertical direction of the key slot seat, and particularly, the upper pipe body 13a and the lower pipe body 13b are provided with the mounting hand holes 10 of the rotary scraper 11, so that the rotary scraper 11 can be conveniently mounted, dismounted and maintained by extending hands from the outer sides of the upper pipe body 13a and the lower pipe body 13b, the problem that operators cannot enter the blanking pipe is solved, and the rotation of the rotary scraper 11 on the inner periphery of the blanking pipe is ensured; the upper and lower rotary end faces are connected on the outer toothed ring 16a of the rotary bearing 16, the upper and lower rotary end faces are respectively fixed with the upper connecting piece 15a and the lower connecting piece 15b of the rotary bearing 16 to form a middle rotary body, which is favorable for utilizing the upper connecting piece 15a and the lower connecting piece 15b to be connected with the upper pipe body 13a and the lower pipe body 13b in a sealing and rotating way, in particular, a combined upper sealing mode is adopted between the upper connecting piece 15a and the upper pipe body 13a, and a combined lower sealing mode is adopted between the lower connecting piece 15b and the lower pipe body 13b, meanwhile, the outer periphery of the upper pipe body 13a and the lower pipe body 13b is externally sealed, the sealing degree is improved, the dust can be effectively prevented from being rippled to the outside, the environmental sanitation of a production factory building is favorably maintained, the environmental pollution caused by the dust is prevented, and the environmental sanitation in, the environment quality is improved, the installation of the rotary scraper 11 of the small-diameter blanking pipe is convenient, the blanking pipeline is prevented from being blocked, the smooth operation of the equipment is ensured, and the production stop loss caused by the pipeline blocking is reduced.

Claims (7)

1. The utility model provides a clear stifled machine of built-in rotatory scraper of narrow blanking outside of tubes installation, includes the slewing bearing who has outer ring gear, its characterized in that: the blockage removing machine is provided with a middle rotating body, the vertical direction of the upper part and the lower part of the middle rotating body is respectively and rotatably connected with an upper pipe body and a lower pipe body, the middle rotating body comprises a rotating bearing, the rotating bearing is sealed and arranged in a bearing box body, the bearing box body is arranged on a box body bottom plate and between the lower bottom plate, the upper bottom plate and the lower bottom plate of the box body are respectively and fixedly connected with the upper pipe body and the lower pipe body through an upper support and a lower support, the inner wall of the middle rotating body is provided with a fixed key groove seat of a rotating scraper, the fixed key groove seat is provided with a rotating scraper fixing key in the vertical direction, the upper pipe body and the lower pipe body are respectively provided with an installation hand hole, the installation.

2. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 1 is characterized in that: the outer gear ring of the slewing bearing is integrated with the upper and lower rotating end faces of the slewing bearing, the upper and lower rotating end faces of the slewing bearing are respectively fixed with an upper connecting piece and a lower connecting piece of the slewing bearing, and the upper connecting piece and the lower connecting piece are respectively connected with the upper pipe body and the lower pipe body in a sealing and rotating manner.

3. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 1 is characterized in that: an output shaft gear of a speed reducer is meshed on an outer gear ring of the slewing bearing, a motor is connected on an input shaft of the speed reducer, and the speed reducer is arranged on the bearing box body.

4. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 1 is characterized in that: the middle section of the rotary scraper is provided with a fixed key matched with the fixed key groove seat, the rotary scraper is a linear type scraper, the number of the scrapers is one, and the distance between the rotary scraper and the inner walls of the upper pipe body and the lower pipe body is equal.

5. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 1 is characterized in that: the diameter of the blanking pipe is equal to the diameters of the upper pipe body and the lower pipe body, the blanking pipe is connected with the upper pipe body and the lower pipe body through flange bolts, and the inner diameter of the blanking pipe is 200-500 mm.

6. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 2 is characterized in that: the sealing connection comprises end sealing connection and external sealing connection between the upper connecting piece of the slewing bearing and the upper pipe body and between the lower connecting piece of the slewing bearing and the lower pipe body.

7. The blockage removing machine provided with the built-in rotary scraper and arranged outside the narrow blanking pipe according to claim 6 is characterized in that: the end face connection between the upper connecting piece of the slewing bearing and the upper pipe body is a combined upper sealing mode, the end face connection between the lower connecting piece of the slewing bearing and the lower pipe body is a combined lower sealing mode, the external seal comprises a sealing packing between the inner periphery of the upper connecting piece and the outer periphery of the upper pipe body, and a sealing packing between the inner periphery of the lower connecting piece and the outer periphery of the lower pipe body.

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