CN110375320B

CN110375320B - Easily rotatory flue scraping device

Info

Publication number: CN110375320B
Application number: CN201910682333.XA
Authority: CN
Inventors: 苗海龙; 程诺
Original assignee: Rizhao Fangyuan Machinery Technology Co Ltd
Current assignee: Rizhao Fangyuan Machinery Technology Co., Ltd
Priority date: 2018-02-12
Filing date: 2018-02-12
Publication date: 2020-10-16
Anticipated expiration: 2038-02-12
Also published as: CN108386856A; CN110410808A; CN110375320A; CN108386856B; CN110410808B

Abstract

The invention discloses an easily-rotating flue scraping device, which belongs to the field of flue cleaning devices and is characterized in that: the rotating cylinder is sleeved on the outer side of the guide cylinder and is rotationally connected with the guide cylinder, and the lower end of the rotating cylinder penetrates through a through hole in the partition plate and is fixedly connected with a worm wheel hole of the worm wheel; the rotating cylinder is rotatably connected with the partition plate through hole and the guide disc through hole, and the rotating cylinder is fixedly connected with the central hole of the first guide plate and the central hole of the second guide plate; the telescopic device is provided with two sets, each set of telescopic device respectively comprises a first outer barrel, an inner barrel and a screw rod, the lower end of the first outer barrel is connected with a base with a through hole, the upper end of the first outer barrel penetrates through a guide disc and a second guide plate, the inner wall of the inner barrel is an axial threaded hole, the inner barrel is inserted into a barrel cavity of the first outer barrel, the upper end of the screw rod penetrates through a through hole of the first outer barrel base and is in threaded connection with the axial threaded hole of the inner barrel, and the screw rod is in rotatable connection with. Compared with the prior art have simple structure, reasonable in design's characteristics.

Description

Easily rotatory flue scraping device

Technical Field

The invention discloses divisional application of patent application 'a flue cleaning device' (application number: 2018101449891), relates to an easily-rotating flue scraping device, and particularly relates to a device suitable for cleaning dust on the inner wall of a cylindrical flue.

Background

After the flue is used for a long time, a large amount of adsorbed smoke dust particles are accumulated on the inner wall of the flue, and when the smoke dust particles are accumulated more, the flue is influenced, namely, the inner wall of the flue is blocked, so that the smoke dust emission is poor; secondly, the soot particles are corrosive, which can cause corrosive damage to the inner wall of the soot and affect the service life of the soot. Most of the existing cleaning devices adopt a ring-shaped or spiral scraper mode, and the cleaning devices are pushed into a flue through a mechanical structure. Because of the influence of the size, in order to ensure good adherence, only the flue with a specific size can be cleaned, and when the flue with other sizes needs to be cleaned, the size of the cleaning device needs to be redesigned, so that the cleaning device is very inconvenient to use.

Disclosure of Invention

The technical task of the invention is to provide a device suitable for cleaning dust on the inner wall of a cylindrical flue aiming at the defects of the prior art.

The technical scheme for solving the technical problem is as follows: the utility model provides an easy rotatory flue scraping device which characterized in that: the device comprises a lower shell, a guide cylinder, a rotating cylinder, a worm wheel, a worm, a telescopic device and a scraper; the upper end of the lower shell is provided with a flange, and the flange of the lower shell is connected with the bottom support plate through a plurality of first telescopic rods; the lower shell is internally provided with a cavity with an opening at the upper end, a partition plate is arranged in the cavity of the lower shell, a through hole is arranged in the middle of the partition plate, the lower end of the guide cylinder penetrates through the through hole of the partition plate and is fixedly connected with a bottom plate of the lower shell, the rotating cylinder is provided with an axial through hole, the rotating cylinder is sleeved on the outer side of the guide cylinder and is rotatably connected with the guide cylinder, and the lower end of the rotating cylinder penetrates through the through hole on the partition plate and is fixedly connected with a worm wheel hole of a worm wheel; the upper end of the rotating cylinder sequentially penetrates through the partition plate through hole, the central hole of the first guide plate, the guide disc through hole and the central hole of the second guide plate from bottom to top; the rotating cylinder is rotatably connected with the partition plate through hole and the guide disc through hole, and the rotating cylinder is fixedly connected with the central hole of the first guide plate and the central hole of the second guide plate; two sides of the first guide plate and the second guide plate are respectively provided with a strip-shaped guide hole, two side walls of the strip-shaped guide hole are respectively provided with a slideway, and the guide disc is provided with two arc-shaped through holes which are uniformly arranged in the circumferential direction; the telescopic device comprises two sets of telescopic devices, each set of telescopic device comprises a first outer cylinder, an inner cylinder and a screw rod, the lower end of the first outer cylinder is connected with a base with a through hole, the upper end of the first outer cylinder penetrates through a guide disc and a second guide plate, the inner wall of the inner cylinder is an axial threaded hole, the inner cylinder is inserted into a cylinder cavity of the first outer cylinder, the upper end of the screw rod penetrates through a through hole of the base of the first outer cylinder to be in threaded connection with the axial threaded hole of the inner cylinder, and the screw rod is in rotatable connection with the through hole of the base of the; the first outer barrel base is provided with a first flange which is embedded in a slide way of a strip-shaped guide hole of the first guide plate; a second flange is arranged on the outer wall of the first outer barrel and embedded in a slide way of a strip-shaped guide hole of a second guide plate; the lower end of the screw is fixedly connected with a gear hole of a driven bevel gear, the first driving bevel gear is connected with a second driving bevel gear through a second telescopic rod, a driving bevel gear is arranged on the partition plate, the driving bevel gear is fixedly arranged on the partition plate, the driven bevel gear is meshed with the first driving bevel gear, the second driving bevel gear is meshed with the driving bevel gear, the second telescopic rod is rotatably connected with a connecting plate, and the connecting plate is fixedly connected with the lower end of the first guide plate; the second telescopic rod comprises a second outer cylinder and an inner rod, the cross section of the inner end of the inner rod is polygonal, the second outer cylinder is provided with a cavity with an opening at one end, the cross section of the cavity of the second outer cylinder is polygonal, the inner rod is inserted into the cavity of the second outer cylinder, the outer end of the inner rod is connected with the first transmission bevel gear, the inner end of the second outer cylinder is connected with the second transmission bevel gear, and the second outer cylinder is connected with the first guide plate through a connecting plate; the inner rod is rotatably connected with the vertical end of the L-shaped support frame through a bearing, and the horizontal end of the L-shaped support frame is rotatably connected with the screw rod through a bearing; a worm is arranged in the cavity of the lower shell, one end of the worm is rotatably connected with the side wall of the lower shell, the other end of the worm penetrates through a through hole in the corresponding side wall of the lower shell to be connected with a rocker, and the worm is meshed with the worm wheel; the upper surface of the guide disc is provided with a positioning ring, the outer wall of the upper end of the rotating cylinder is provided with a plurality of strip-shaped guide holes which are uniformly arranged in a circumferential shape, a plurality of pressing plates are arranged around the pressing plate, the pressing plates penetrate through the strip-shaped guide holes of the rotating cylinder, the pressing plate is provided with a central hole, the guide cylinder is provided with an axial through hole, the lower end of the lower shell is provided with a boss, the boss is provided with a threaded through hole communicated with the through hole of the guide cylinder, the upper end of the positioning shaft sequentially penetrates through the threaded hole of the boss, the through hole of the guide cylinder and the central hole of the pressing plate to be connected with the clamping plate, the lower end of the positioning shaft is connected with a hand wheel, the hand wheel is connected with the boss through a first compression spring, and the lower end of the positioning shaft is; a plurality of arc-shaped through holes which are uniformly distributed in a circumferential shape are formed in the position of the lower shell where the guide disc is installed, and a plurality of blind holes which are uniformly arranged in a circumferential shape are formed in the outer side of the guide disc and are exposed in the arc-shaped through holes; the scraper blade include second fixed plate, second guide bar, fourth compression spring, fixed casing and first scraper blade, the upper end and the second fixed plate of inner tube be connected, the second fixed plate be equipped with two guiding holes, the inner guiding hole of second fixed plate is passed to the inner of second guide bar, the outer end of second guide bar is passed through fourth compression spring and is connected with the second fixed plate, the outer end and the fixed casing of two second guide bars are articulated, the outer end of fixed casing be equipped with first scraper blade, first scraper blade and fixed casing swing joint.

The first telescopic rod is a hydraulic telescopic rod or an electric telescopic rod.

The rotatable connection is: the through hole is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the through hole, and the inner ring of the bearing is fixedly connected with the rotating cylinder.

The inner cylinder is a polygonal cylinder, and the cylinder cavity of the first outer cylinder is polygonal.

And a torsional spring is arranged at the hinged position of the second guide rod and the fixed shell, one end of the torsional spring is fixedly connected with the second guide rod, and the other end of the torsional spring is fixedly connected with the fixed shell.

Compared with the prior art, the invention has the following outstanding beneficial effects: the invention can clean the inner walls of the cylindrical flues with different diameters, and is convenient to use.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention.

Fig. 2 is a sectional view of a portion a-a in fig. 1.

Fig. 3 is a schematic view of the internal structure of embodiment 1 of the present invention.

Fig. 4 is a front view of embodiment 2 of the present invention.

Fig. 5 is a front view of embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of the inside of the stationary case.

Fig. 7 is a sectional view of a portion B-B in fig. 6.

Fig. 8 is a structural schematic diagram of the first ring gear portion.

Fig. 9 is an internal schematic view of embodiment 4 of the present invention.

Detailed Description

The invention is further described with reference to the drawings and the detailed description. For convenience of description, the center line of fig. 1 is divided into inner and outer portions, the center line is oriented inward, and the other direction is oriented outward.

As shown in fig. 1 to 3, embodiment 1 of the present invention includes a lower housing 6, a guide cylinder 32, a rotary cylinder 31, a worm wheel 24, a worm 26, a telescopic device, and a scraper.

Lower casing 6's upper end be equipped with the flange, lower casing 6's flange is connected with bottom support plate 11 through a plurality of first telescopic link 5, first telescopic link 5 be hydraulic telescoping rod or electric telescopic handle.

Lower casing 6 in have an upper end open-ended cavity, be equipped with a baffle 19 in the cavity of lower casing 6, baffle 19 and casing 6 wall connection all around down, the intermediate position of baffle 19 is equipped with a through-hole, the lower extreme of guide cylinder 32 pass the through-hole of baffle 19 to with the bottom plate fixed connection of casing 6 down, rotation section of thick bamboo 31 be equipped with an axial through-hole, rotation section of thick bamboo 31 cover is passed through the bearing rotation with guide cylinder 32 in the outside of guide cylinder 32 and is connected, the lower extreme of rotation section of thick bamboo 31 pass through-hole on the baffle 19 and worm wheel 24's worm wheel hole fixed connection.

The upper end of the rotating cylinder 31 sequentially penetrates through the through hole of the partition plate 19, the central hole of the first guide plate 18, the through hole of the guide disc 13 and the central hole of the second guide plate 14 from bottom to top. The rotating cylinder 31 is rotatably connected with the through hole of the partition plate 19 and the through hole of the guide disc 13. The rotatable connection may be, but is not limited to: the through hole is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the through hole, and the inner ring of the bearing is fixedly connected with the rotating cylinder 31. The rotating cylinder 31 is fixedly connected with the central hole of the first guide plate 18 and the central hole of the second guide plate 14.

As shown in fig. 2, two sides of the second guiding plate 14 are respectively provided with a strip-shaped guiding hole, two side walls of the strip-shaped guiding hole are respectively provided with a slideway (dashed lines in fig. 2), and the first guiding plate 18 has the same structure as the second guiding plate 14 and is shielded by the guiding disc 13 in fig. 2. As shown in fig. 2, two arc-shaped through holes are uniformly arranged on the guide disc 13, one end of each arc-shaped through hole is close to the edge of the guide disc 13, and the other end of each arc-shaped through hole is close to the center of the guide disc 13.

The telescopic device is two sets, each set of telescopic device comprises a first outer cylinder 17, an inner cylinder 16 and a screw rod 15, the lower end of the first outer cylinder 17 is connected with a base with a through hole, the upper end of the first outer cylinder 17 penetrates through the guide disc 13 and the second guide plate 14, the inner wall of the inner cylinder 16 is an axial threaded hole, the inner cylinder 16 is inserted into the cylinder cavity of the first outer cylinder 17, the upper end of the screw rod 15 penetrates through the base through hole of the first outer cylinder 17 and is in threaded connection with the axial threaded hole of the inner cylinder 16, the screw rod 15 and the base through hole of the first outer cylinder 17 are in rotatable connection, and the rotatable connection can be in bearing connection as before. The inner cylinder 16 is a polygonal cylinder, and the cylinder cavity of the first outer cylinder 17 is polygonal, so that the inner cylinder 16 can be matched with the cylinder cavity.

The base of the first outer cylinder 17 is provided with a first flange which is embedded in a slide way of a strip-shaped guide hole of the first guide plate 18. The outer wall of the first outer barrel 17 is provided with a second flange, the second flange is embedded in a slide way of a strip-shaped guide hole of the second guide plate 14, and the first flange and the second flange are square.

The lower end of the screw 15 is fixedly connected with a gear hole of a driven bevel gear 22, the first driving bevel gear 23 is connected with a second driving bevel gear 21 through a second telescopic rod, a driving bevel gear 27 is arranged on the partition plate 19, the driving bevel gear 27 is fixedly installed on the partition plate 19, the driven bevel gear 22 is meshed with the first driving bevel gear 23, the second driving bevel gear 21 is meshed with the driving bevel gear 27, the second telescopic rod is rotatably connected with the connecting plate 20, and the connecting plate 20 is fixedly connected with the lower end of the first guide plate 18.

The second telescopic rod comprises a second outer cylinder 28 and an inner rod 29, the cross section of the inner end of the inner rod 29 is polygonal, the second outer cylinder 28 is provided with a cavity with an opening at one end, the cross section of the cavity of the second outer cylinder 28 is polygonal, the inner rod 29 is inserted into the cavity of the second outer cylinder 28, and the inner rod 29 cannot rotate in the cavity of the second outer cylinder 28 due to the fact that the cavity of the second outer cylinder 28 and the cross section of the inner rod 29 are polygonal in match. The outer end of the inner rod 29 is connected with the first transmission bevel gear 23, the inner end of the second outer cylinder 28 is connected through the second transmission bevel gear 21, and the second outer cylinder 28 is connected with the first guide plate 18 through the connecting plate 20.

The inner rod 29 is rotatably connected with the vertical end of the L-shaped support frame 30 through a bearing, and the horizontal end of the L-shaped support frame 30 is rotatably connected with the screw rod 15 through a bearing.

A worm 26 is arranged in the cavity of the lower shell 6, one end of the worm 26 is rotatably connected with the side wall of the lower shell 6, the other end of the worm 26 penetrates through a through hole on the corresponding side wall of the lower shell 6 to be connected with a rocker 7, and the worm 26 is meshed with the worm wheel 24.

The upper surface of the guiding disc 13 is provided with a positioning ring 33, the outer wall of the upper end of the rotating cylinder 31 is provided with a plurality of strip-shaped guiding holes which are uniformly arranged in a circumferential shape, a plurality of pressing plates 34 are arranged around the pressing plate 35, the pressing plates 34 penetrate out of the strip-shaped guiding holes of the rotating cylinder 31, the pressing plate 35 is provided with a center hole, the guiding cylinder 32 is provided with an axial through hole, the lower end of the lower shell 6 is provided with a boss 8, the boss 8 is provided with a threaded through hole which is communicated with the through hole of the guiding cylinder 32, the upper end of the positioning shaft 25 sequentially penetrates through the threaded hole of the boss 8, the through hole of the guiding cylinder 32 and the center hole of the pressing plate 35 to be connected with a clamping plate 36, the lower end of the positioning shaft 25 is connected with a hand wheel 10, the hand wheel 10 is connected with the boss 8 through a first compression spring 9, the lower end of the positioning, when the screw hole threaded connection of positioning shaft 25 and boss 8, first compression spring 9 compresses, the unable extrusion holding ring 33 of pressure disk 35 and clamp plate 34, thereby make positioning disk 13 can revolve a section of thick bamboo 31 and rotate, when the rotatory decline of positioning shaft 25, no longer with the screw hole threaded connection of boss 8, first compression spring 9 diastole, drive positioning shaft 25 and descend, positioning shaft 25 drives clamp plate 36 and descends, make pressure disk 35 drive clamp plate 34 sticiss on holding ring 33, thereby make positioning disk 13 fixed with a section of thick bamboo 31, make positioning disk 13 can rotate along with a section of thick bamboo 31.

The position of inferior valve body installation positioning disk 13 seted up a plurality of arc through-holes that are circumference evenly distributed, the outside of positioning disk 13 be equipped with a plurality of blind holes that are circumference align to grid to expose in the arc through-hole, insert columnar object one end in the blind hole of positioning disk 13, thereby can be convenient for rotatory positioning disk 13.

Example 1 was used for flue cleaning with only soot. The soot adheres to the walls to a low degree of viscosity, and therefore can be removed directly with a scraper. The concrete structure is as follows: the scraper includes a second fixing plate 48, a second guide rod 47, a fourth compression spring 46, a fixing housing 49, and the first scraper 1. As shown in fig. 1, the upper end of the inner cylinder 16 is connected to a second fixing plate 48, the second fixing plate 48 is provided with two guide holes, the inner end of the second guide rod 47 passes through the guide hole of the second fixing plate 48, the outer end of the second guide rod 47 is connected to the second fixing plate 48 through a fourth compression spring 46, the outer ends of the two second guide rods 47 are hinged to a fixing housing 49, a torsion spring is installed at the hinged position of the second guide rod 47 and the fixing housing 49, one end of the torsion spring is fixedly connected to the second guide rod 47, and the other end of the torsion spring is fixedly connected to the fixing housing 49, so that the first scraper 1 and the second guide rod 47 are kept perpendicular. The outer end of the fixed shell 49 is provided with a first scraper 1, the first scraper 1 is movably connected with the fixed shell 49, and the movable connection refers to detachable connection, and specifically can be bolt connection or fastening bolt connection.

However, more flues contain substances such as volatile oil, which causes the inner part of the flue to be extremely difficult to clean, and the scraper is good in strength, but the contact surface is linear, so that the flue wall with a rough surface is not good as a steel wire roller, but the strength of the steel wire roller is too low, so that in the prior art, cleaning is carried out twice, namely, thick oil stains are removed by the scraper firstly, and then secondary scrubbing is carried out by the steel wire roller, but the device is required to be taken out and the brush head is required to be replaced, which is time-consuming and labor-consuming.

Therefore, in example 2, the improvement is made on the basis of example 1, and the squeegee includes the first squeegee 1 and the brush roller 2. The structure not mentioned below is the same as that of embodiment 1, and will not be described in detail here. The differences are as follows: the upper end of the inner cylinder 16 is hinged to the first fixing plate 12, the first fixing plate 12 is provided with two guide holes, the fixing frame 44 is hinged to two ends of the brush roller 2, two sides of the fixing frame 44 are respectively provided with a first guide rod 3, the first guide rods 3 penetrate through the guide holes in two sides of the first fixing plate 12 and are connected with a first limiting plate, and the fixing frame 44 is connected with the first fixing plate 12 through a third compression spring 4.

In the process of cleaning the inner wall of the flue by the first scraper 1, soot can be adhered to the first scraper 1, so that the first scraper 1 is influenced to scrape the inner wall of the flue. Therefore, example 3 is improved over example 2 in that the squeegee includes the first squeegee 1 and the brush roller 2. The structures not mentioned below are the same as those of embodiments 1 and 2, and will not be described herein in a repeated manner. The differences are as follows: as shown in fig. 5 to 8, the upper end of the inner cylinder 16 is connected to a second fixing plate 48, the second fixing plate 48 is provided with two guide holes, the inner end of the second guide rod 47 passes through the guide hole of the second fixing plate 48, the outer end of the second guide rod 47 is connected to the second fixing plate 48 through a fourth compression spring 46, the outer ends of the two second guide rods are hinged to a fixing housing 49, two support plates 52 are arranged in a cavity of the fixing housing 49, a through hole is respectively arranged on each of the two support plates 52, a central hole of a winding wheel 56 is connected to a rotating shaft, the rotating shaft is connected to the inner end of a winding spring 55, the outer end of the winding spring 55 is connected to the support plates 52, the rotating shaft sequentially passes through the through hole of the support plate 52, the through hole of a sun gear 58 and the central hole of a disc 53, the rotating shaft is fixedly connected to the sun gear 58 and is rotatably connected to the, the support plate 52 is rotatably connected with two first planetary gears 59 through a shaft, one side of the disc 53 is connected with a first inner gear ring 57, the sun gear 58 is externally engaged with the first planetary gears 59, and the first inner gear ring 57 is internally engaged with the first planetary gears 59. The outer end of the fixed shell 49 is provided with a first scraper blade 1, two sides of the fixed shell 49, which are positioned on the first scraper blade 1, are respectively provided with a guide through hole, two sides of the first scraper blade 1 are respectively provided with a second scraper blade 54, the second scraper blade 54 is connected with the outer end of the sliding plate 50, the inner end of the sliding plate 50 penetrates through the guide through hole on the fixed shell 49 to be connected with a third guide plate 51, the third guide plate 51 is provided with a strip-shaped guide hole, the non-circle center of the disc 53 is provided with a guide pin shaft, and the guide pin shaft is embedded in the strip-shaped guide hole 51 of the third guide plate. The lower end of the fixed shell 49 is provided with a through hole, the winding wheel 56 is fixedly connected with one end of a steel wire rope, the steel wire rope is wound on the winding wheel 56, and the other end of the steel wire rope penetrates through the through hole at the lower end of the fixed shell 49 to be fixedly connected with the first outer cylinder 17. In the process that the inner cylinder 16 continuously rises, the wire rope drives the wire winding wheel 56 to rotate, the wire winding wheel 56 drives the sun gear 58 to rotate, the sun gear 58 drives the first planetary gear 59 to rotate, the first planetary gear 59 drives the first inner gear ring 57 to rotate, the first inner gear ring 57 drives the disc 53 to rotate, the disc 53 drives the third guide plate 51 to reciprocate through the guide pin shaft, and the third guide plate 51 drives the second scraper 54 to scrape two ends of the first scraper 1 in a reciprocating manner through the sliding plate 50, so that the cigarette ash adhered to two sides of the first scraper 1 is scraped.

The operation flow is as follows: when the invention is used, the telescopic rod 5 is adjusted, the first scraper blade 1 and the brush roller 2 of the lower shell 6 extend into the lower end of the flue, and the positions of the first scraper blade 1 and the brush roller 2 are adjusted according to the diameter of the flue, and the specific method comprises the following steps: one end of a columnar object is inserted into a blind hole of the guide disc 13 to rotate the guide disc 13, the guide disc 13 drives the telescopic device and the first scraper blade 1 and the brush roller 2 to move along the strip-shaped guide holes of the first guide plate 18 and the second guide plate 14 through the arc-shaped through hole, and therefore the first scraper blade 1 and the brush roller 2 can be made to be attached to the inner wall of the flue. The hand wheel 10 is rotated to enable the positioning shaft 25 to rotate and descend, the positioning shaft 25 is separated from the thread of the threaded hole of the boss 8, the first compression spring 9 expands to drive the positioning shaft 25 to descend, the positioning shaft 25 drives the clamping plate 36 to descend, the pressure plate 35 drives the pressure plate 34 to be tightly pressed on the positioning ring 33, and therefore the guide disc 13 is fixed with the rotating cylinder 31, and the guide disc 13 can rotate along with the rotating cylinder 31. Rotating the rocker 7, the rocker 7 sequentially links the worm 26 and the worm wheel 24, so as to realize rotation of the rotating cylinder 31, then the rotating cylinder 31 drives the first guide plate 18 and the second guide plate 14 to rotate, the first guide plate 18 and the second guide plate 14 drive the telescopic device to horizontally rotate by taking the rotating cylinder 31 as an axis, the first guide plate 18 drives the telescopic rod 23 to horizontally rotate through the connecting plate 20, the driving bevel gear 27 is fixed, so that the second transmission bevel gear 21 and the first transmission bevel gear 23 successively rotate from the driven bevel gear 22, the driven bevel gear 22 drives the screw rod 15 to rotate, and the screw rod 15 drives the inner cylinder 16 to move along the cavity of the first outer cylinder 17, so that the first scraper 1 and the brush roller 2 ascend or descend. And rotating the rocker 7 to enable the first scraper blade 1 and the brush roller 2 to rotate while moving up and down, so that the inner wall of the flue is cleaned.

Since the rotary guide disc 13 in embodiment 1 needs to use a columnar object, one end of which is inserted into the blind hole of the guide disc 13, so as to conveniently rotate the guide disc 13, the columnar object needs to be additionally used, which is very inconvenient. As shown in fig. 8, in embodiment 4, a protruding portion is provided at the position where the guide disc 13 is installed on the lower housing 6, the outer side of the guide disc 13 is connected with an outer ring gear 40, the protruding portion is provided with a plurality of arc-shaped through holes communicated with the cavity of the lower housing 6, the outer sides of the protruding portion are respectively connected with the lower annular housing 37 and the upper annular housing 38, an annular cavity is formed between the lower annular housing 37 and the upper annular housing 38, the annular cavity is internally provided with a second planetary gear 39 and a second ring gear 41, the gear holes of the second planetary gear 39 are rotatably connected with the lower annular housing 37 and the upper annular housing 38 through shafts, the outer sides of the lower annular housing 37 and the upper annular housing 38 are provided with an annular slide way, the outer side of the second ring gear 41 is fixedly connected with a rotating ring 43 through an annular slide block 42, the second ring gear 41 is engaged with the second planetary gear 39, the second planetary gear 39 is externally engaged with the outer gear ring 40, when the rotating ring 43 is rotated, the rotating ring 43 drives the second planetary gear 39 to rotate, the second planetary gear 39 drives the outer gear ring 40 to rotate, and the outer gear ring 40 drives the guide disc 13 to rotate. Other parts in embodiment 4 are the same as those in other embodiments, and will not be described herein in a repeated manner.

It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an easy rotatory flue scraping device which characterized in that: the device comprises a lower shell, a guide cylinder, a rotating cylinder, a worm wheel, a worm, a telescopic device and a scraper; the upper end of the lower shell is provided with a flange, and the flange of the lower shell is connected with the bottom support plate through a plurality of first telescopic rods; the lower shell is internally provided with a cavity with an opening at the upper end, a partition plate is arranged in the cavity of the lower shell, a through hole is arranged in the middle of the partition plate, the lower end of the guide cylinder penetrates through the through hole of the partition plate and is fixedly connected with a bottom plate of the lower shell, the rotating cylinder is provided with an axial through hole, the rotating cylinder is sleeved on the outer side of the guide cylinder and is rotatably connected with the guide cylinder, and the lower end of the rotating cylinder penetrates through the through hole on the partition plate and is fixedly connected with a worm wheel hole of a worm wheel; the upper end of the rotating cylinder sequentially penetrates through the partition plate through hole, the central hole of the first guide plate, the guide disc through hole and the central hole of the second guide plate from bottom to top; the rotating cylinder is rotatably connected with the partition plate through hole and the guide disc through hole, and the rotating cylinder is fixedly connected with the central hole of the first guide plate and the central hole of the second guide plate; two sides of the first guide plate and the second guide plate are respectively provided with a strip-shaped guide hole, two side walls of the strip-shaped guide hole are respectively provided with a slideway, and the guide disc is provided with two arc-shaped through holes which are uniformly arranged in the circumferential direction; the telescopic device comprises two sets of telescopic devices, each set of telescopic device comprises a first outer cylinder, an inner cylinder and a screw rod, the lower end of the first outer cylinder is connected with a base with a through hole, the upper end of the first outer cylinder penetrates through a guide disc and a second guide plate, the inner wall of the inner cylinder is an axial threaded hole, the inner cylinder is inserted into a cylinder cavity of the first outer cylinder, the upper end of the screw rod penetrates through a through hole of the base of the first outer cylinder to be in threaded connection with the axial threaded hole of the inner cylinder, and the screw rod is in rotatable connection with the through hole of the base of the; the first outer barrel base is provided with a first flange which is embedded in a slide way of a strip-shaped guide hole of the first guide plate; a second flange is arranged on the outer wall of the first outer barrel and embedded in a slide way of a strip-shaped guide hole of a second guide plate; the lower end of the screw is fixedly connected with a gear hole of a driven bevel gear, the first driving bevel gear is connected with a second driving bevel gear through a second telescopic rod, a driving bevel gear is arranged on the partition plate, the driving bevel gear is fixedly arranged on the partition plate, the driven bevel gear is meshed with the first driving bevel gear, the second driving bevel gear is meshed with the driving bevel gear, the second telescopic rod is rotatably connected with a connecting plate, and the connecting plate is fixedly connected with the lower end of the first guide plate; the second telescopic rod comprises a second outer cylinder and an inner rod, the cross section of the inner end of the inner rod is polygonal, the second outer cylinder is provided with a cavity with an opening at one end, the cross section of the cavity of the second outer cylinder is polygonal, the inner rod is inserted into the cavity of the second outer cylinder, the outer end of the inner rod is connected with the first transmission bevel gear, the inner end of the second outer cylinder is connected with the second transmission bevel gear, and the second outer cylinder is connected with the first guide plate through a connecting plate; the inner rod is rotatably connected with the vertical end of the L-shaped support frame through a bearing, and the horizontal end of the L-shaped support frame is rotatably connected with the screw rod through a bearing; a worm is arranged in the cavity of the lower shell, one end of the worm is rotatably connected with the side wall of the lower shell, the other end of the worm penetrates through a through hole in the corresponding side wall of the lower shell to be connected with a rocker, and the worm is meshed with the worm wheel; the upper surface of the guide disc is provided with a positioning ring, the outer wall of the upper end of the rotating cylinder is provided with a plurality of strip-shaped guide holes which are uniformly arranged in a circumferential shape, a plurality of pressing plates are arranged around the pressing plate, the pressing plates penetrate through the strip-shaped guide holes of the rotating cylinder, the pressing plate is provided with a central hole, the guide cylinder is provided with an axial through hole, the lower end of the lower shell is provided with a boss, the boss is provided with a threaded through hole communicated with the through hole of the guide cylinder, the upper end of the positioning shaft sequentially penetrates through the threaded hole of the boss, the through hole of the guide cylinder and the central hole of the pressing plate to be connected with the clamping plate, the lower end of the positioning shaft is connected with a hand wheel, the hand wheel is connected with the boss through a first compression spring, and the lower end of the positioning shaft is; the position of the lower shell body installation guide disc is provided with a plurality of arc-shaped through holes which are uniformly distributed in a circumferential shape, the lower shell body installation guide disc is provided with a protruding part, the outer side of the guide disc is connected with an outer gear ring, the protruding part is provided with a plurality of arc-shaped through holes which are communicated with the cavity of the lower shell body, the outer side of the protruding part is respectively connected with a lower annular shell body and an upper annular shell body, an annular cavity is formed between the lower annular shell body and the upper annular shell body, a second planetary gear and a second inner gear ring are installed in the annular cavity, the gear hole of the second planetary gear is rotationally connected with the lower annular shell body and the upper annular shell body through a shaft, the outer sides of the lower annular shell body and the upper annular shell body are provided with an annular slide way, the outer side of the second inner gear ring is fixedly connected with a rotating ring through an annular slide block, and the second inner gear ring, the second planetary gear is externally meshed with the outer gear ring; the scraper blade include second fixed plate, second guide bar, fourth compression spring, fixed casing and first scraper blade, the upper end and the second fixed plate of inner tube be connected, the second fixed plate be equipped with two guiding holes, the inner guiding hole of second fixed plate is passed to the inner of second guide bar, the outer end of second guide bar is passed through fourth compression spring and is connected with the second fixed plate, the outer end and the fixed casing of two second guide bars are articulated, the outer end of fixed casing be equipped with first scraper blade, first scraper blade and fixed casing swing joint.

2. A rotatable flue scraping apparatus as claimed in claim 1, wherein: the first telescopic rod is a hydraulic telescopic rod or an electric telescopic rod.

3. A rotatable flue scraping apparatus as claimed in claim 1, wherein: the rotatable connection is as follows: the through hole is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the through hole, and the inner ring of the bearing is fixedly connected with the rotating cylinder.

4. A rotatable flue scraping apparatus as claimed in claim 1, wherein: the inner cylinder is a polygonal cylinder, and the cylinder cavity of the first outer cylinder is polygonal.

5. A rotatable flue scraping apparatus as claimed in claim 1, wherein: and the second guide rod is hinged with the fixed shell and provided with a torsional spring, one end of the torsional spring is fixedly connected with the second guide rod, and the other end of the torsional spring is fixedly connected with the fixed shell.