CN219301400U

CN219301400U - Auxiliary overhaul equipment for boiler air preheater

Info

Publication number: CN219301400U
Application number: CN202320193866.3U
Authority: CN
Inventors: 宋超凡; 张; 路永刚; 张�浩
Original assignee: Jinshan Thermoelectricity Branch Of Shenyang Jinshan Energy Co ltd
Current assignee: Jinshan Thermoelectricity Branch Of Shenyang Jinshan Energy Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-04
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses auxiliary overhaul equipment for an air preheater of a boiler, which comprises a supporting underframe, universal wheels, a reinforcing plate, a closed shell, a splicing assembly and an automatic cleaning assembly, wherein the reinforcing plate is arranged on one side of the supporting underframe; the pipeline of the preheater is automatically cleaned sequentially by the aid of the arranged automatic cleaning assembly, and the cleaning process is not needed to be manually participated, so that the labor intensity of workers for overhauling the preheater is reduced.

Description

Auxiliary overhaul equipment for boiler air preheater

Technical Field

The utility model relates to the technical field of boiler overhaul equipment, in particular to auxiliary overhaul equipment of an air preheater of a boiler.

Background

The air preheater is a heat exchanger which is preheated by utilizing the exhaust gas heat of devices such as a boiler and the like, and has the functions of reducing the exhaust gas temperature of devices such as the boiler and the like, improving the heat efficiency, enabling fuel to be easy to catch fire, enabling combustion to be stable and improving the combustion efficiency, and in order to ensure the stable operation of the boiler air preheater, the auxiliary overhaul equipment of the air preheater needs to be used for cleaning dust in a pipeline of the preheater; secondly, the auxiliary overhaul equipment of the existing boiler air preheater needs to be fixedly arranged at the pipe orifice of the preheater before overhaul, and the installation and disassembly processes are complicated, so that the use experience of staff is affected, and the practicability of the equipment is reduced; it is therefore necessary to design auxiliary service equipment for the boiler air preheater.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide auxiliary overhaul equipment of a boiler air preheater, which is used for solving the problems that the auxiliary overhaul equipment of the existing boiler air preheater needs to be matched with manual operation to carry out ash removal treatment, so that the overhaul intensity of staff is increased, and the installation and disassembly processes are complicated and the practicality of the equipment is reduced.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a supplementary maintenance equipment of boiler air heater, includes support chassis, universal wheel, gusset plate, enclosure, splice assembly and self-cleaning subassembly, one side of supporting the chassis is provided with the gusset plate, and the bottom of supporting chassis and gusset plate all is provided with the universal wheel, and the top both ends symmetry of supporting the chassis is provided with the enclosure, and the top symmetry of supporting the chassis is provided with the direction slide rail in the splice assembly.

Preferably, the splicing component comprises a guide sliding rail, a guide block, a locking hole, a limit frame, a limit column, a guide plate, a homing spring, a locking column, an installation table and a lifting cylinder, wherein the bottom of the guide sliding rail is attached to the top of the reinforcing plate, and the locking hole is formed in one end of the guide sliding rail.

Preferably, the guide sliding rail sliding connection is in the spout of guide block bottom symmetry seting up, and the guide block is fixed in air heater's bottom, and one side bottom symmetry of guide block is provided with the spacing, and air heater's bottom one side symmetry is provided with the spring that returns to the home position, and the bottom fixedly connected with deflector of spring that returns to the home position, and bottom one side of guide block is provided with the mount table, and one side of mount table is provided with the promotion cylinder.

Preferably, the through holes symmetrically formed in the guide plates are slidably connected with limiting columns, the top ends of the limiting columns are fixed at the bottom of the air preheater, locking columns are symmetrically arranged at the bottom of the guide plates, and the locking columns are slidably connected in the locking holes.

Preferably, the lifting screw in the self-cleaning subassembly is connected with through the bearing cooperation in the enclosure, the self-cleaning subassembly comprises lifting screw, elevator motor, connecting block, link, clean cylinder, clean motor, motor gear, connect the ring gear and clean wheel, the top of enclosure is provided with elevator motor, and elevator motor's output runs through enclosure fixed connection lifting screw's top, be provided with the connecting block on the lifting screw, and the ball nut of the inside embedding installation of connecting block is connected with the mutually supporting of lifting screw, be provided with the link between the connecting block, and the bottom of link evenly is provided with clean cylinder, clean cylinder's output fixedly connected with clean motor, and clean motor's output is provided with motor gear, motor gear engagement connects the ring gear, and connect the ring gear cup joint in clean wheel.

(III) beneficial effects

The auxiliary overhaul equipment for the boiler air preheater provided by the utility model has the advantages that: when the equipment is installed, the guide plate is driven by the lifting air cylinder to extrude the homing spring to enable the locking column to move upwards, then the supporting underframe is limited through the mutual matching of the guide sliding rail and the guide block, the lifting air cylinder is homing after the guide sliding rail is contacted with the limiting frame, the homing spring elastic force is used for extending the locking column into the locking hole to fix the equipment, the installation and the disassembly processes are simple, and therefore the use experience of workers is improved, and the practicability of the equipment is improved; the lifting motor drives the lifting screw to rotate, then the connecting block and the connecting frame are driven to move up and down through the lifting screw, then the cleaning cylinder drives the cleaning wheel to enter the pipeline of the preheater, the cleaning motor drives the motor gear to rotate, the connecting toothed ring and the cleaning wheel are driven to rotate through motor gear engagement, the pipeline of the preheater is automatically cleaned, manual participation in the cleaning process is not needed, and accordingly labor intensity of workers for overhauling the preheater is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a three-dimensional view of the overall structure of the present utility model;

FIG. 2 is a bottom view of the overall structure of the present utility model;

FIG. 3 is a right side view of the overall structure of the present utility model;

FIG. 4 is a partial structural three-dimensional view of the present utility model;

fig. 5 is an exploded view of a partial structure of the present utility model.

In the figure: 1. a support chassis; 2. a universal wheel; 3. a reinforcing plate; 4. a closed shell; 5. a splice assembly; 6. an automatic cleaning assembly; 501. a guide rail; 502. a guide block; 503. a locking hole; 504. a limiting frame; 505. a limit column; 506. a guide plate; 507. a return spring; 508. a locking post; 509. a mounting table; 510. lifting the cylinder; 601. lifting a screw rod; 602. a lifting motor; 603. a connecting block; 604. a connecting frame; 605. cleaning a cylinder; 606. cleaning a motor; 607. a motor gear; 608. connecting a toothed ring; 609. and (3) cleaning the wheel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the auxiliary overhaul equipment of the boiler air preheater comprises a supporting chassis 1, universal wheels 2, a reinforcing plate 3, a closed shell 4, a splicing component 5 and an automatic cleaning component 6, wherein the reinforcing plate 3 is arranged on one side of the supporting chassis 1, the universal wheels 2 are arranged at the bottoms of the supporting chassis 1 and the reinforcing plate 3, the closed shell 4 is symmetrically arranged at the two ends of the top of the supporting chassis 1, guide sliding rails 501 in the splicing component 5 are symmetrically arranged at the top of the supporting chassis 1, the splicing component 5 consists of the guide sliding rails 501, guide blocks 502, locking holes 503, limiting brackets 504, limiting columns 505, guide plates 506, return springs 507, locking columns 508, mounting tables 509 and lifting cylinders 510, the bottoms of the guide sliding rails 501 are attached to the tops of the reinforcing plate 3, the locking holes 503 are formed in one ends of the guide sliding rails 501, the guide sliding rails 501 are slidingly connected in sliding grooves symmetrically formed in the bottoms of the guide blocks 502, the guide block 502 is fixed at the bottom of the air preheater, a limit frame 504 is symmetrically arranged at the bottom of one side of the guide block 502, a homing spring 507 is symmetrically arranged at one side of the bottom of the air preheater, a guide plate 506 is fixedly connected to the bottom end of the homing spring 507, a mounting table 509 is arranged at one side of the bottom of the guide block 502, a lifting cylinder 510 is arranged at one side of the mounting table 509, limit posts 505 are slidably connected in symmetrically arranged through holes in the guide plate 506, the top ends of the limit posts 505 are fixed at the bottom of the air preheater, locking posts 508 are symmetrically arranged at the bottom of the guide plate 506, the locking posts 508 are slidably connected in the locking holes 503, a lifting screw 601 in an automatic cleaning assembly 6 is connected in a closed shell 4 in a matched manner through a bearing, and the automatic cleaning assembly 6 is formed by the lifting screw 601, the lifting motor 602, the connecting block 603, the connecting frame 604, the cleaning cylinder 605, the cleaning motor 606, the cleaning device comprises a motor gear 607, a connecting toothed ring 608 and a cleaning wheel 609, wherein a lifting motor 602 is arranged at the top of a closed shell 4, the output end of the lifting motor 602 penetrates through the closed shell 4 and is fixedly connected with the top end of a lifting screw 601, a connecting block 603 is arranged on the lifting screw 601, ball nuts embedded and installed inside the connecting block 603 are mutually matched and connected with the lifting screw 601, a connecting frame 604 is arranged between the connecting blocks 603, the bottom of the connecting frame 604 is uniformly provided with the cleaning cylinder 605, the output end of the cleaning cylinder 605 is fixedly connected with the cleaning motor 606, the output end of the cleaning motor 606 is provided with the motor gear 607, the motor gear 607 is meshed with the connecting toothed ring 608, the connecting toothed ring 608 is sleeved in the cleaning wheel 609, and the cleaning wheel 609 is driven to rotate by the meshing action of the connecting toothed ring 608 with the motor gear 607;

specifically, when the device is used, firstly, the guide plate 506 is driven by the lifting air cylinder 510 to extrude the homing spring 507 to enable the locking column 508 to move upwards, then the supporting underframe 1 is limited by the mutual matching of the guide sliding rail 501 and the guide block 502, the lifting air cylinder 510 is homing after the guide sliding rail 501 is contacted with the limiting frame 504, the homing spring 507 is used for stretching the locking column 508 into the locking hole 503 with the guide plate 506, the device is fixed, and the mounting and dismounting processes are simple, so that the use experience of workers is improved, and the practicability of the device is improved; the lifting motor 602 that utilizes to set up drives lift lead screw 601 and rotates, and then drives connecting block 603 and link 604 through lift lead screw 601 and reciprocate, and clean cylinder 605 drives the cleaning wheel 609 and gets into the pipeline inside of pre-heater afterwards, utilizes cleaning motor 606 to drive motor gear 607 and rotates, drives through motor gear 607 meshing and connects ring gear 608 and cleaning wheel 609 rotatory, carries out self-cleaning to the pipeline of pre-heater, need not the manual work and participates in clean process to the intensity of labour that the staff overhauld the pre-heater has been reduced.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Auxiliary overhaul equipment of boiler air heater, including supporting chassis (1), universal wheel (2), gusset plate (3), enclosure (4), splice assembly (5) and self-cleaning subassembly (6), its characterized in that: one side of supporting chassis (1) is provided with gusset plate (3), and the bottom of supporting chassis (1) and gusset plate (3) all is provided with universal wheel (2), and the top both ends symmetry of supporting chassis (1) is provided with enclosure (4), and the top symmetry of supporting chassis (1) is provided with direction slide rail (501) in splice assembly (5).

2. The auxiliary service equipment of a boiler air preheater as set forth in claim 1, wherein: the splicing assembly (5) consists of a guide sliding rail (501), a guide block (502), a locking hole (503), a limiting frame (504), a limiting column (505), a guide plate (506), a homing spring (507), a locking column (508), an installation table (509) and a lifting cylinder (510), wherein the bottom of the guide sliding rail (501) is attached to the top of the reinforcing plate (3), and the locking hole (503) is formed in one end of the guide sliding rail (501).

3. The auxiliary service equipment of a boiler air preheater as set forth in claim 2, wherein: the guide sliding rail (501) is in sliding connection in a sliding groove symmetrically formed in the bottom of the guide block (502), the guide block (502) is fixed at the bottom of the air preheater, a limit frame (504) is symmetrically arranged at the bottom of one side of the guide block (502), a homing spring (507) is symmetrically arranged at one side of the bottom of the air preheater, a guide plate (506) is fixedly connected with the bottom end of the homing spring (507), an installation table (509) is arranged at one side of the bottom of the guide block (502), and a lifting cylinder (510) is arranged at one side of the installation table (509).

4. A boiler air preheater auxiliary service apparatus according to claim 3, wherein: limiting columns (505) are connected in through holes symmetrically formed in the guide plates (506) in a sliding mode, the top ends of the limiting columns (505) are fixed at the bottom of the air preheater, locking columns (508) are symmetrically arranged at the bottom of the guide plates (506), and the locking columns (508) are connected in the locking holes (503) in a sliding mode.

5. The auxiliary service equipment of a boiler air preheater as set forth in claim 1, wherein: the sealing shell (4) is connected with a lifting screw (601) in an automatic cleaning component (6) through bearing fit, the automatic cleaning component (6) consists of the lifting screw (601), a lifting motor (602), a connecting block (603), a connecting frame (604), a cleaning cylinder (605), a cleaning motor (606), a motor gear (607), a connecting toothed ring (608) and a cleaning wheel (609), the top of the sealing shell (4) is provided with the lifting motor (602), the output end of the lifting motor (602) penetrates through the top end of the sealing shell (4) to be fixedly connected with the lifting screw (601), be provided with connecting block (603) on lift lead screw (601), and ball nut and lift lead screw (601) of inside embedding installation of connecting block (603) are connected mutually, be provided with link (604) between connecting block (603), and the bottom of link (604) evenly is provided with clean cylinder (605), the output fixedly connected with clean motor (606) of clean cylinder (605), and the output of clean motor (606) is provided with motor gear (607), motor gear (607) meshing is connected ring gear (608), and connect ring gear (608) cup joint in clean wheel (609).