CN214664523U

CN214664523U - Boiler flue ash falling pipe inspection device

Info

Publication number: CN214664523U
Application number: CN202120866075.3U
Authority: CN
Inventors: 李仁剑; 季天鹏; 王峰; 陈宣桦; 张美璐; 孙成磊
Original assignee: Wenling Lvneng New Energy Co ltd
Current assignee: Wenling Lvneng New Energy Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-09
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a specifically be a boiler flue ash falling pipe inspection device relates to ash falling pipe inspection device field, including the ash falling pipe, the ash falling pipe rotates through the pivot and is connected with the rocking arm, and rocking arm one end be provided with ash falling pipe complex door plant. The utility model discloses a nut is fixed the door plant, extrude fixed tooth through the nut during fixed, thereby force door plant and inseparable closure, and simultaneously along with the rotation of nut, the bolt push rod outwards promotes, and drive and bulldoze the gaseous extrusion of board in with the cylinder to aerifing the rubber tube, thereby make and aerify the rubber tube inflation, and closely laminate with the seal groove, the leakproofness has greatly been improved, and through the maximum pressure that torque ring restriction nut and bolt push rod applyed to aerifing the rubber tube, it is damaged to prevent to aerify the rubber tube, aerify the rubber tube when opening along with nut and bolt push rod loosen automatic pressure release, thereby long-term its outstanding leakproofness of keeping, the drawback that traditional sealing strip wearing and tearing lead to the leakproofness to descend has been avoided.

Description

Boiler flue ash falling pipe inspection device

Technical Field

The utility model relates to a ash pipe inspection device field specifically is a boiler flue ash pipe inspection device that falls.

Background

All solid fuels contain a certain amount of fly ash, so that coke slag and fly ash are generated in the combustion process of the coal-fired boiler, the fly ash needs to be collected into an ash bucket through an ash dropping pipe and subjected to subsequent treatment, and the coal-fired boiler has a certain protection effect on the environment in daily use.

However, the maintenance and inspection openings of the existing ash falling pipe are mostly fixed through a plurality of groups of bolts, the bolts of the inspection door cover plate need to be detached one by one during inspection, so that a small workload is brought to operators, the existing sealing structure mostly adopts the sealing strip to be embedded and directly sealed, and the sealing effect is seriously attenuated due to the abrasion of the sealing strip after the sealing strip is opened and closed for a plurality of times.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a boiler flue ash falling pipe inspection device to solve the technical problem that current ash falling pipe inspection device opens and shuts loaded down with trivial details, the easy wearing and tearing of sealing strip.

In order to achieve the above object, the utility model provides a following technical scheme: an ash falling pipe inspection device for a boiler flue comprises an ash falling pipe, wherein the ash falling pipe is rotatably connected with a rocker arm through a rotating shaft, and one end of the rocker arm is provided with a door plate matched with the ash dropping pipe, the interior of the ash dropping pipe is provided with a cylinder, and the interior of the cylinder is connected with a pushing plate in a sliding way, one end of the pushing plate is provided with a bolt push rod penetrating through the ash dropping pipe, one end of the bolt push rod penetrating into the ash falling pipe is of a smooth and clean cylindrical structure engaged with the ash falling pipe, one end of the bolt push rod penetrating into the outer side of the ash falling pipe is of a threaded structure, and the bolt push rod is arranged at the outer side of the thread structure and is provided with a torsion ring matched with the thread structure, the outer side of the torsion ring is provided with a nut matched with the torsion ring, the ash falling pipe is provided with an inflatable rubber pipe matched with the door plate and the air cylinder at a position close to the door plate, the door plate is provided with a sealing groove matched with the inflatable rubber pipe, and one end of the door plate is provided with fixing teeth matched with the nut.

Preferably, the door plant is kept away from ash pipe one end and is provided with the handle, and is kept away from between handle one end and the ash pipe and be provided with the sealing washer.

Preferably, the ash falling pipe is provided with a sliding hole matched with the bolt push rod, and an airtight structure is connected between the sliding hole and the bolt push rod.

Preferably, the outer side of the ash falling pipe is provided with a fixing ring matched with the rocker arm, and a fixing groove matched with the inflatable rubber pipe is formed in the ash falling pipe.

Preferably, the door panel is provided with a mounting groove matched with the handle, and the door panel is provided with a fixing groove matched with the rocker arm.

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

1. the utility model fixes one end of the door plate through the rocker arm, locks the other end of the door plate through the nut, and when the door plate needs to be checked, the door plate can be opened by disassembling the nut through a tool, so that the interior of the door plate can be checked without dismantling a plurality of groups of bolts, thereby greatly simplifying the checking operation;

2. the utility model discloses after the inspection finishes, it is closed with door plant and ash falling pipe, and fix the door plant through the nut, extrude fixed tooth through the nut during fixed, thereby force the door plant and closely closed, and simultaneously along with the rotation of nut, the bolt push rod promotes outwards, and drive and bulldoze the gaseous extrusion of board in with the cylinder to aerifing the rubber tube, thereby make and aerify the rubber tube inflation, and closely laminate with the seal groove, the leakproofness has greatly been improved, and through the maximum pressure that torque ring restriction nut and bolt push rod applyed to aerifing the rubber tube, it is damaged to prevent to aerify the rubber tube, aerify the rubber tube when opening along with nut and bolt push rod loosen automatic pressure release, thereby long-term its outstanding leakproofness of keeping, the drawback that traditional sealing strip wearing and tearing lead to the leakproofness to descend has been avoided.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of detail A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the main body of the present invention;

fig. 4 is an appearance schematic diagram of the present invention.

In the figure: 1. a dust falling pipe; 2. an inflatable rubber tube; 3. a rocker arm; 4. a handle; 5. a door panel; 6. a sealing groove; 7. a push plate; 8. a cylinder; 9. a nut; 10. a torsion ring; 11. a bolt push rod; 12. fixing teeth; 13. and (4) fixing the ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, an ash falling pipe inspection device for a boiler flue comprises an ash falling pipe 1, the ash falling pipe 1 is rotatably connected with a rocker arm 3 through a rotating shaft, one end of the rocker arm 3 is provided with a door plate 5 matched with the ash falling pipe 1, an air cylinder 8 is arranged inside the ash falling pipe 1, a push plate 7 is slidably connected inside the air cylinder 8, one end of the push plate 7 is provided with a bolt push rod 11 penetrating through the ash falling pipe 1, one end of the bolt push rod 11 penetrating through the ash falling pipe 1 is of a smooth cylindrical structure meshed with the ash falling pipe 1, one end of the bolt push rod 11 penetrating through the ash falling pipe 1 is of a threaded structure, the bolt push rod 11 is arranged outside the threaded structure and is provided with a torsion ring 10 matched with the bolt push rod, the outer side of the torsion ring 10 is provided with a nut 9 matched with the torsion ring, an air charging rubber pipe 2 matched with the door plate 5 and the air cylinder 8 is arranged at a position of the ash falling pipe 1 close to the door plate 5, the door plate 5 is provided with a sealing groove 6 matched with the air charging rubber pipe 2, and one end of the door panel 5 is provided with a fixed tooth 12 matched with the nut 9.

The utility model fixes one end of the door panel 5 through the rocker arm 3, locks the other end of the door panel 5 through the nut 9, and when the door panel 5 needs to be checked, the door panel 5 can be opened by disassembling the nut 9 through a tool, so that the interior of the door panel is checked without dismantling a plurality of groups of bolts, thereby greatly simplifying the checking operation; after the inspection is finished, the door panel 5 and the ash falling pipe 1 are closed, the door panel 5 is fixed through the nut 9, the fixed teeth 12 are extruded through the nut 9 during the fixing, thereby forcing the door panel 5 to be tightly closed, and simultaneously, along with the rotation of the nut 9, the bolt push rod 11 is lifted outwards, and drives the push plate 7 to extrude the gas in the cylinder 8 to the inflatable rubber tube 2, thereby expanding the inflatable rubber tube 2 and tightly attaching the inflatable rubber tube with the sealing groove 6, greatly improving the sealing property, the maximum pressure applied to the inflatable rubber tube 2 by the nut 9 and the bolt push rod 11 is limited by the torsion ring 10, the inflatable rubber tube 2 is prevented from being damaged, the inflatable rubber tube 2 automatically releases pressure along with the loosening of the nut 9 and the bolt push rod 11 when the inflatable rubber tube is opened, therefore, the excellent sealing performance of the sealing strip is kept for a long time, and the defect that the sealing performance is reduced due to the abrasion of the traditional sealing strip is avoided.

Specifically, please refer to fig. 1 and 3, a handle 4 is disposed at an end of the door panel 5 away from the ash pipe 1, and a sealing ring is disposed between an end of the door panel 5 away from the handle 4 and the ash pipe 1.

Through adopting above-mentioned technical scheme, make the more convenient operation of opening and shutting of door plant 5 to further improve the leakproofness through the sealing washer.

Specifically, please refer to fig. 1 and fig. 2, the ash dropping pipe 1 is provided with a sliding hole matching with the bolt pushing rod 11, and an airtight structure is connected between the sliding hole and the bolt pushing rod 11.

Through adopting above-mentioned technical scheme, prevent that 8 gas leakage of cylinder to make its maintenance work that can be permanent.

Specifically, please refer to fig. 3, a fixing ring 13 engaged with the swing arm 3 is disposed outside the ash dropping pipe 1, and a fixing groove engaged with the inflatable rubber tube 2 is disposed inside the ash dropping pipe 1.

Through adopting above-mentioned technical scheme, fix the rocking arm to make rocking arm 3 can exert sufficient pressure to door plant 5 when closing, make it fixed.

Specifically, please refer to fig. 1 and 2, the door panel 5 is provided with a mounting groove matched with the handle 4, and the door panel 5 is provided with a fixing groove matched with the swing arm 3.

Through adopting above-mentioned technical scheme, make door plant 5 can change handle 4 or rocking arm 3.

The working principle is as follows: the utility model fixes one end of a door panel 5 through a rocker arm 3, and locks the other end of the door panel 5 through a nut 9, when the inspection is needed, the nut 9 is disassembled through a tool, at the moment, the inflation rubber tube 2 automatically releases pressure along with the loosening of the nut 9 and a bolt push rod 11, the inflation rubber tube 2 retracts along with the pressure release, the conjunction with the door panel 5 is removed, the door panel 5 can be opened, thereby the interior of the door panel is inspected, a plurality of groups of bolts are not needed to be disassembled, the inspection operation is greatly simplified, after the inspection is finished, the door panel 5 and a dust falling tube 1 are closed, the door panel 5 is fixed through the nut 9, the fixing teeth 12 are extruded through the nut 9 during the fixing, thereby the door panel 5 and the close closure are forced, and simultaneously along with the rotation of the nut 9, the bolt push rod 11 is lifted outwards, and the pushing plate 7 is driven to extrude the gas in the cylinder 8 to the inflation rubber tube 2, therefore, the inflatable rubber tube 2 is expanded and tightly attached to the sealing groove 6, the sealing performance is greatly improved, the maximum pressure applied to the inflatable rubber tube 2 by the nut 9 and the bolt push rod 11 is limited by the torsion ring 10, and the inflatable rubber tube 2 is prevented from being damaged.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a boiler flue ash falling pipe inspection device, includes ash falling pipe (1), its characterized in that: the ash falling pipe (1) is rotatably connected with a rocker arm (3) through a rotating shaft, one end of the rocker arm (3) is provided with a door plate (5) matched with the ash falling pipe (1), an air cylinder (8) is arranged inside the ash falling pipe (1), a pushing plate (7) is connected inside the air cylinder (8) in a sliding manner, one end of the pushing plate (7) is provided with a bolt push rod (11) penetrating through the ash falling pipe (1), one end of the bolt push rod (11) penetrating through the ash falling pipe (1) is of a smooth and clean cylindrical structure meshed with the ash falling pipe (1), one end of the bolt push rod (11) penetrating through the ash falling pipe (1) is of a threaded structure, the bolt push rod (11) is positioned outside the threaded structure and is provided with a torsion ring (10) matched with the bolt push rod, the outer side of the torsion ring (10) is provided with a nut (9) matched with the torsion ring, an inflation rubber pipe (2) matched with the door plate (5) and the air cylinder (8) is arranged at a position, close to the door plate (5), of the ash falling pipe (1), the door plate (5) is provided with a sealing groove (6) matched with the inflatable rubber tube (2), and one end of the door plate (5) is provided with a fixed tooth (12) matched with the nut (9).

2. The boiler flue dust falling pipe inspection device according to claim 1, wherein: door plant (5) are kept away from ash pipe (1) one end and are provided with handle (4), and door plant (5) are kept away from and are provided with the sealing washer between handle (4) one end and ash pipe (1).

3. The boiler flue dust falling pipe inspection device according to claim 1, wherein: the ash falling pipe (1) is provided with a sliding hole matched with the bolt push rod (11), and an airtight structure is connected between the sliding hole and the bolt push rod (11).

4. The boiler flue dust falling pipe inspection device according to claim 1, wherein: the outer side of the ash dropping pipe (1) is provided with a fixing ring (13) matched with the rocker arm (3), and a fixing groove matched with the inflatable rubber pipe (2) is formed in the ash dropping pipe (1).

5. The boiler flue dust falling pipe inspection device according to claim 1, wherein: the door plate (5) is provided with an installation groove matched with the handle (4), and the door plate (5) is provided with a fixing groove matched with the rocker arm (3).