CN217635696U

CN217635696U - Sawtooth type comb tooth ash removal device

Info

Publication number: CN217635696U
Application number: CN202221908940.7U
Authority: CN
Inventors: 李为冬; 朱林林; 袁明镇
Original assignee: Shandong Hongjiang Intelligent Equipment Co ltd
Current assignee: Shandong Hongjiang Intelligent Equipment Co ltd
Priority date: 2022-07-24
Filing date: 2022-07-24
Publication date: 2022-10-21
Anticipated expiration: 2032-07-24

Abstract

The utility model discloses a sawtooth pattern broach ash removal device belongs to boiler air preheater deashing field. The utility model provides a sawtooth pattern broach ash removal device, includes two baffles and two support arms, is connected with the support between two baffles, still includes: a first connecting rod connected in the supporting arm in a sliding way; the two supporting plates are connected to the bracket in a sliding manner; the round shaft is connected to the supporting plate in a sliding manner; the comb plate is connected to the round shaft and provided with a sawtooth groove; the vertical plate is fixedly connected to the support, a guide plate matched with the round shaft is fixedly connected to the support, and the top of the guide plate is obliquely arranged; the utility model discloses be equipped with the sawtooth groove on the well fishback to produce the sawing effect, avoid appearing the dust and pressed the phenomenon more real more, reached the effect of cleaing away air preheater tube sheet department deposition, thereby avoid air preheater to produce and block up, reduce the boiler and shut down and overhaul the number of times.

Description

Sawtooth type comb tooth ash removal device

Technical Field

The utility model relates to a boiler air preheater deashing technical field especially relates to a sawtooth pattern broach ash removal device.

Background

An air preheater is a heating surface for preheating air in a tail flue of a boiler to a certain temperature through internal radiating fins by using flue gas in the tail flue of the boiler, and is equipment for improving the heat exchange performance of the boiler and reducing energy consumption.

At present, when a boiler air preheater is used, an air preheater ash removal device is needed to perform ash removal operation, but after the boiler air preheater is started for a long time and used, part of scale is always accumulated in the accumulated ash of the boiler air preheater for a long time to cause the ash removal device of the air preheater to be extruded at the tail end of the stroke, the more the pressure is, the shorter the stroke of the ash removal device is finally caused until the air preheater is blocked, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a sawtooth type comb tooth ash cleaning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sawtooth pattern broach ash removal device, includes two baffles and two support arms, is connected with the support between two baffles, still includes:

a first connecting rod connected in the supporting arm in a sliding way;

the two support plates are connected to the support in a sliding mode, a second connecting rod is fixedly connected between the two support plates, and the first connecting rod is connected with one of the support plates;

the round shaft is connected to the supporting plate in a sliding manner;

the comb plate is provided with a plurality of comb plates which are linearly distributed and connected on the circular shaft, and the comb plates are provided with sawtooth grooves;

the vertical plate is fixedly connected to the support, the guide plate matched with the circular shaft is fixedly connected to the support, and the top of the guide plate is obliquely arranged.

Preferably, two be connected with spacing axle between the backup pad, rotate in the backup pad and be connected with the round pin axle, be equipped with the spacing groove in the spacing axle, round pin axle sliding connection is at the spacing inslot.

Furthermore, the top fixedly connected with fixture block of fishback, fishback passes through fixture block fixed connection at the outer wall of circle axle.

Preferably, two fixedly connected with fixed plate between the support arm, be equipped with gear motor on the fixed plate, two rotate between the support arm and be connected with the axis of rotation, all be equipped with first sprocket in gear motor's the output and the axis of rotation, the meshing is connected with first chain on the first sprocket.

Further, the support arm internal rotation is connected with the tensioning axle, the one end outer wall that the support arm was arranged in to the outer wall and the axis of rotation of tensioning axle all is equipped with the second sprocket, the meshing is connected with the second chain on the second sprocket.

Furthermore, the second chain is provided with a connecting block, the outer wall of the connecting block is provided with a thin rod, one end, away from the connecting block, of the thin rod is provided with a connecting plate, and the connecting plate is fixedly connected with the first connecting rod.

Compared with the prior art, the utility model provides a sawtooth pattern broach ash removal device possesses following beneficial effect:

1. this sawtooth pattern broach ash removal device, remove through controlling first connecting rod, drive the circle axle and remove with a plurality of fishback that the circle axle links to each other, when the circle axle removes to contacting with the deflector, because the top slope of deflector sets up, consequently, can make the circle axle produce an ascending displacement, thereby make the fishback that links to each other with the circle axle also produce an ascending displacement, be equipped with the serration groove on the fishback, thereby produce the sawing effect, avoid appearing the dust phenomenon more real more pressed, reached and clear away the effect of air preheater tube sheet department deposition, thereby avoid the air preheater to produce the jam, reduce the boiler shutdown and overhaul the number of times.

Drawings

FIG. 1 is a schematic structural view of a sawtooth-type comb tooth ash removal device according to the present invention;

FIG. 2 is a schematic structural view of a sawtooth-type comb ash removal device according to the present invention;

FIG. 3 is a schematic structural diagram of a side view of a sawtooth-type comb ash removal device provided by the present invention;

FIG. 4 is a schematic view of the sawtooth-shaped comb ash removal device according to the present invention, in which the supporting arm of FIG. 1 is partially enlarged;

FIG. 5 is a schematic view of the sawtooth-shaped comb ash removal device according to the present invention, in which the support arm is partially enlarged in FIG. 2;

FIG. 6 is an enlarged schematic structural view of the portion A in FIG. 1 of the sawtooth-type comb tooth ash removal device provided by the present invention;

fig. 7 is an enlarged schematic structural view of a portion B in fig. 2 of the sawtooth-type comb-tooth ash removal device provided by the present invention.

In the figure: 1. a baffle plate; 101. a support; 102. a vertical plate; 103. a guide plate; 2. a support arm; 3. a first link; 301. a support plate; 302. a second link; 303. a limiting shaft; 304. A pin shaft; 305. a limiting groove; 4. a comb plate; 401. a sawtooth groove; 402. a clamping block; 403. A circular shaft; 5. a reduction motor; 501. a fixing plate; 502. a rotating shaft; 503. a first chain; 504. a second chain; 505. connecting blocks; 506. a thin rod; 507. a connecting plate; 6. a slideway; 601. tensioning the shaft; 602. a fixed block; 603. a vertical plate; 604. a screw rod; 605. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-7, the sawtooth type comb tooth ash removal device comprises two baffles 1 and two supporting arms 2, wherein a bracket 101 is connected between the two baffles 1, and the sawtooth type comb tooth ash removal device is characterized by further comprising a first connecting rod 3 connected in the supporting arms 2 in a sliding manner; the support 101 is connected with two support plates 301 in a sliding manner, a second connecting rod 302 is fixedly connected between the two support plates 301, and the first connecting rod 3 is connected with one support plate 301; sliding connection has a circle axle 403 on backup pad 301, is equipped with a plurality of fishback 4 on the circle axle 403, and a plurality of fishback 4 are linear distribution and connect on circle axle 403, and are equipped with serration groove 401 on the fishback 4, fixedly connected with riser 102 on support 101, and fixedly connected with and circle axle 403 matched with deflector 103 on the support 101, the top slope setting of deflector 103.

Move through controlling first connecting rod 3, can drive backup pad 301 and remove, second connecting rod 302 through connecting between two backup pads 301, can make two backup pads 301 equal synchronous motion simultaneously, backup pad 301 removal can be followed to circle axle 403 on the backup pad 301, when circle axle 403 removes to contacting with deflector 103, because the top slope of deflector 103 sets up, consequently, can make circle axle 403 produce an ascending displacement, thereby make the fishback 4 that links to each other with circle axle 403 also produce an ascending displacement, be equipped with sawtooth groove 401 on the fishback 4, thereby produce the saw effect, reach the effect of cleaing away air preheater tube sheet department deposition, thereby reduce the boiler and shut down and overhaul the number of times, and fishback 4 is equipped with a plurality ofly, when the rebound, can produce the saw effect simultaneously, avoid the dust to pile up, thereby make the deashing effect better, two backup pads 301 that set up, can clear away the deposition on two baffles 1 simultaneously, and be more convenient to use.

It should be noted that, be connected with spacing axle 303 between two backup pads 301, rotate on the backup pad 301 and be connected with round pin axle 304, be equipped with spacing groove 305 in the spacing axle 303, round pin axle 304 sliding connection is in spacing groove 305, when round axle 403 rebound, rotate the round pin axle 304 of connection in backup pad 301 and can slide in spacing groove 305 on spacing axle 303 to can not block when making round axle 403 produce the displacement and die.

Top fixedly connected with fixture block 402 of fishback 4, fishback 4 passes through fixture block 402 fixed connection at the outer wall of circle axle 403, can make a plurality of fishbacks 4 be convenient for connect on circle axle 403, and as shown in fig. 6, fixture block 402 includes two parts through threaded connection, and one of them part is passed through bolt fixed connection on fishback 4, and all is equipped with the groove that is used for placing circle axle 403 on two parts, the installation of being convenient for.

Referring to fig. 1, fig. 2, fig. 4 and fig. 5, in the present invention, when in use, the reduction motor 5 is started, the fixing plate 501 is fixedly connected between the two supporting arms 2, the reduction motor 5 is fixedly connected to the fixing plate 501, the rotating shaft 502 is rotatably connected between the two supporting arms 2, the output end of the reduction motor 5 and the rotating shaft 502 are both provided with a first sprocket, the first sprocket is engaged with a first chain 503, and then the reduction motor 5 drives the rotating shaft 502 to rotate through the first sprocket and the first chain 503;

rotation is connected with tensioning axle 601 in support arm 2, the outer wall of tensioning axle 601 and the one end outer wall that rotation axis 502 placed in support arm 2 all are equipped with the second sprocket, the meshing is connected with second chain 504 on the second sprocket, therefore, in rotation axis 502 pivoted, can drive the second sprocket of connection on rotation axis 502 and remove, thereby drive second chain 504 and remove, be equipped with connecting block 505 on the second chain 504, the outer wall of connecting block 505 is equipped with slender pole 506, the one end that connecting block 505 was kept away from to slender pole 506 is equipped with connecting plate 507, connecting plate 507 links to each other with first connecting rod 3 is fixed, then through second chain 504 pulling connecting block 505 and remove, thereby drive connecting plate 507 and remove through slender pole 506, and then pull first connecting rod 3 and remove, after baffle 1 department deashing that backup pad 301 removed to one side is accomplished, control gear motor 5 reversal, thereby can make backup pad 301 drive the opposite direction motion of fishback 4, the deashing operation is carried out to baffle 1 department of opposite side, gear motor 5 is adopted, be convenient for control the operation of just reversing.

In the actual use process, referring to fig. 4, a vertical plate 603 and two slide ways 6 are fixedly connected to the outer wall of the support arm 2, a fixing block 602 is slidably connected between the two slide ways 6, the tensioning shaft 601 is rotatably connected to the fixing block 602, a lead screw 604 is connected to the fixing block 602, the lead screw 604 is slidably connected to the vertical plate 603, and a plurality of nuts 605 are threadedly connected to the lead screw 604 and can respectively abut against two sides of the vertical plate 603.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sawtooth pattern broach ash removal device, includes two baffles (1) and two support arms (2), is connected with support (101) between two baffles (1), its characterized in that still includes:

a first connecting rod (3) which is connected in the supporting arm (2) in a sliding way;

the two supporting plates (301) are connected to the bracket (101) in a sliding mode, a second connecting rod (302) is fixedly connected between the two supporting plates (301), and the first connecting rod (3) is connected with one supporting plate (301);

a round shaft (403) which is connected to the support plate (301) in a sliding manner;

the comb plate bodies (4) are arranged in a plurality, the comb plate bodies (4) are linearly distributed and connected to the round shaft (403), and the comb plate bodies (4) are provided with sawtooth grooves (401);

the vertical plate (102) is fixedly connected to the support (101), the guide plate (103) matched with the circular shaft (403) is fixedly connected to the support (101), and the top of the guide plate (103) is obliquely arranged.

2. The sawtooth-type comb tooth ash removal device according to claim 1, wherein a limiting shaft (303) is connected between the two support plates (301), a pin shaft (304) is rotatably connected to the support plates (301), a limiting groove (305) is formed in the limiting shaft (303), and the pin shaft (304) is slidably connected in the limiting groove (305).

3. The sawtooth-type comb tooth ash removal device according to claim 2, wherein a fixture block (402) is fixedly connected to the top of the comb plate (4), and the comb plate (4) is fixedly connected to the outer wall of the circular shaft (403) through the fixture block (402).

4. The sawtooth-type comb tooth ash removal device according to claim 1, wherein a fixing plate (501) is fixedly connected between the two support arms (2), a speed reduction motor (5) is arranged on the fixing plate (501), a rotating shaft (502) is rotatably connected between the two support arms (2), first chain wheels are arranged on output ends of the speed reduction motor (5) and the rotating shaft (502), and first chains (503) are connected to the first chain wheels in a meshing manner.

5. The sawtooth-type comb tooth ash removal device according to claim 4, wherein a tension shaft (601) is rotatably connected to the support arm (2), and second chain wheels are respectively arranged on the outer wall of the tension shaft (601) and the outer wall of one end of the rotation shaft (502) arranged in the support arm (2), and are engaged with second chains (504).

6. A sawtooth-type comb tooth ash removal device according to claim 5, characterized in that the second chain (504) is provided with a connecting block (505), the outer wall of the connecting block (505) is provided with a thin rod (506), one end of the thin rod (506) far away from the connecting block (505) is provided with a connecting plate (507), and the connecting plate (507) is fixedly connected with the first connecting rod (3).