CN215489830U

CN215489830U - Positioning device for boiler bottom air chamber

Info

Publication number: CN215489830U
Application number: CN202120890598.1U
Authority: CN
Inventors: 沙千里; 周宝柱; 董利斌; 王鹏; 奚岩
Original assignee: Zhejiang Datang International Wushashan Power Generation Co ltd
Current assignee: Zhejiang Datang International Wushashan Power Generation Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-01-11
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the technical field of positioning devices, and particularly relates to a positioning device for a boiler bottom air chamber, which aims at solving the problem that the existing device is inconvenient to radiate a boiler when in use, so that the boiler is easy to damage when in use. The utility model has simple structure and convenient use, and can be convenient for radiating the boiler, thereby being convenient for people to use.

Description

Positioning device for boiler bottom air chamber

Technical Field

The utility model relates to the technical field of positioning devices, in particular to a positioning device for a boiler bottom air chamber.

Background

In a boiler, the bottom plenum is a very complex part. The welding machine is large in size, large in welding quantity, large in construction site butt joint size and needs integral heat treatment. Therefore, how to control deformation and ensure overall size is the biggest challenge in manufacturing process, and therefore, reasonable design of tooling is crucial. In addition, because the hearth wind chamber is large in size and complex in structure, a large amount of steel is needed for tool manufacturing, and how to fully utilize the materials is an effective way for saving cost.

Through the retrieval, patent document with application number 201410397443 discloses a positioner of boiler stove bottom plenum, the on-line screen storage device comprises a base, be provided with the right pair of spelling channel-section steel and the left pair of spelling channel-section steel that support bank of tubes II on the base, be provided with the right comb plate that the several supported collection case I on the right side of base, be provided with the support on bank of tubes II after collection case I and bank of tubes II accomplish the butt joint, be provided with bank of tubes III on the support, be provided with several left branch and support H shaped steel and several right branch and support H shaped steel respectively in the both sides of base, be provided with bank of tubes V and bank of tubes IV in bank of tubes II's both sides, be provided with the left channel-section steel and the support channel-section steel that support bank of tubes V on every left branch and support H shaped steel, be provided with the right channel-section steel that supports bank of tubes IV on every right branch and support H shaped steel, be provided with the left comb plate of location bank of tubes interval on the support channel-section steel. The utility model has novel structure, accurate positioning, convenient welding and lifting, effectively controls the deformation, ensures the overall size of the product, saves materials, improves the production efficiency and improves the economic benefit.

Because the device is inconvenient to radiate the heat of the boiler when in use, and the damage is easy to happen when in use, a positioning device of the boiler bottom air chamber is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the device in the prior art is inconvenient to radiate a boiler when in use, so that the boiler is easy to damage when in use, and provides a positioning device for a boiler bottom air chamber.

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

a positioning device of a boiler furnace bottom air chamber comprises a base, wherein a fixed cavity is formed in the base, a servo motor is fixedly installed on one side of the base, an output shaft of the servo motor extends into the fixed cavity and is fixedly provided with a rotary column, a first conical gear is fixedly sleeved on the rotary column, the top of the base is fixedly installed and is symmetrically provided with two connecting plates, a fixed groove is formed in one side, close to each other, of each connecting plate, a rotary rod is rotatably installed in the fixed groove, the bottom end of the rotary rod extends into the fixed cavity and is fixedly sleeved with a second conical gear, the first conical gear is meshed with the second conical gear, a lifting plate is in threaded connection with the rotary rod, one end of a spring is fixedly installed at the bottom of the lifting plate, the other end of the spring is fixedly installed on the inside of the bottom of the fixed groove, a connecting groove is formed in the inner wall of one side of the fixed groove, and one side of the lifting plate extends into the connecting groove, the top fixed mounting of base has the channel-section steel that two symmetries set up, and the top of channel-section steel is equipped with the support that two symmetries set up, is equipped with the bank of tubes on the support, and the top fixed mounting of two connecting plates has H shaped steel.

Preferably, the inner wall of the bottom of the fixed cavity is fixedly provided with two symmetrically arranged supporting plates, one side of each supporting plate is provided with a rotating hole, the rotating column is rotatably arranged in the rotating hole, the rotating column is fixedly sleeved with a bearing, and the outer ring of the bearing is welded with the side wall of the rotating hole.

Preferably, the top of lifter plate is seted up threaded hole, is equipped with the internal thread on the lateral wall of threaded hole, is equipped with the external screw thread on the bull stick, and the internal thread meshes with the external screw thread mutually.

Preferably, the rotary groove is formed in one side, close to each other, of each of the two lifting plates, the rotary seat is installed in the rotary groove in a rotating mode, and the rotary plate is installed on one side, extending to the position, out of the rotary groove, of the rotary groove in a fixed mode.

Preferably, a rack is fixedly installed at the top of the base, and a gear is fixedly sleeved on the rotating seat and meshed with the rack.

Preferably, an annular sliding groove is formed in the side wall of the rotating groove, an annular sliding block is arranged on the rotating seat, and the annular sliding block is slidably mounted in the annular sliding groove.

The positioning device for the boiler bottom air chamber has the beneficial effects that:

thereby can make the rotary column can rotate in changeing downthehole steadily through the setting of bearing, thereby can make and to drive the lifter plate and can go up and down on the bull stick when the bull stick rotates through the setting of helicitic texture, thereby make and to dispel the heat the boiler when the bull stick rotates through the setting of commentaries on classics board, thereby the people of being convenient for use, thereby it also can rotate when the gear moves on the rack to make through the meshing setting of rack and gear, thereby can make and rotate the seat and can rotate at the steady rotation of bull stick through the setting of annular slider and annular spout.

The utility model has simple structure and convenient use, and can be convenient for radiating the boiler, thereby being convenient for people to use.

Drawings

FIG. 1 is a schematic structural diagram of a positioning device for a bottom plenum of a boiler according to the present invention in a front view;

FIG. 2 is an enlarged schematic structural view of a portion A of a positioning device for a bottom plenum of a boiler according to the present invention;

FIG. 3 is a schematic structural diagram of H-shaped steel of a positioning device for a bottom air chamber of a boiler provided by the utility model.

In the figure: the device comprises a base 1, a fixed cavity 2, a servo motor 3, a supporting plate 4, a first bevel gear 5, a second bevel gear 6, a connecting plate 7, a fixed groove 8, a rotating rod 9, a spring 10, a connecting groove 11, a channel steel 12, a bracket 13, a 14H-shaped steel, a lifting plate 15, a rotating groove 16, a ring-shaped sliding groove 17, a gear 18, a rotating plate 19 and a rack 20.

Detailed Description

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

Referring to fig. 1-3, a positioning device for a boiler furnace bottom air chamber comprises a base 1, a fixed cavity 2 is arranged on the base 1, a servo motor 3 is fixedly arranged on one side of the base 1, an output shaft of the servo motor 3 extends into the fixed cavity 2 and is fixedly provided with a rotary column, a first bevel gear 5 is fixedly sleeved on the rotary column, two connecting plates 7 which are symmetrically arranged are fixedly arranged on the top of the base 1, a fixed groove 8 is arranged on one side of each connecting plate 7 which is close to each other, a rotary rod 9 is rotatably arranged in the fixed groove 8, the bottom end of the rotary rod 9 extends into the fixed cavity 2 and is fixedly sleeved with a second bevel gear 6, the first bevel gear 5 is meshed with the second bevel gear 6, a lifting plate 15 is connected on the rotary rod 9 through a thread, one end of a spring 10 is fixedly arranged on the bottom of the lifting plate 15, the other end of the spring 10 is fixedly arranged on the inside the bottom of the fixed groove 8, the connecting groove 11 has been seted up on one side inner wall of fixed slot 8, and in one side of lifter plate 15 extended to connecting groove 11, the top fixed mounting of base 1 had the channel-section steel 12 that two symmetries set up, and the top of channel-section steel 12 is equipped with the support 13 that two symmetries set up, is equipped with the bank of tubes on the support 13, and the top fixed mounting of two connecting plates 17 has H shaped steel 14.

According to the utility model, two symmetrically arranged supporting plates 4 are fixedly arranged on the inner wall of the bottom of the fixed cavity 2, one side of each supporting plate 4 is provided with a rotating hole, the rotating column is rotatably arranged in the rotating hole, the rotating column is fixedly sleeved with a bearing, the outer ring of the bearing is welded with the side wall of the rotating hole, and the rotating column can stably rotate in the rotating hole through the arrangement of the bearing.

According to the utility model, the top of the lifting plate 15 is provided with a threaded hole, the side wall of the threaded hole is provided with an internal thread, the rotating rod 9 is provided with an external thread, the internal thread is meshed with the external thread, and the rotating rod 5 can be driven to lift the lifting plate 15 on the rotating rod 5 through the arrangement of a threaded structure.

In the utility model, the rotary grooves 16 are respectively arranged on the two adjacent sides of the two lifting plates 15, the rotary seats are rotatably arranged in the rotary grooves 16, one sides of the rotary seats extend to the outside of the rotary grooves 16 and are fixedly provided with the rotary plates 19, and the arrangement of the rotary plates 19 ensures that the heat of the boiler can be dissipated when the rotary plates 19 rotate, thereby being convenient for people to use.

In the utility model, a rack 20 is fixedly arranged at the top of the base 1, a gear 18 is fixedly sleeved on the rotating seat, the gear 18 is meshed with the rack 20, and the rack 20 and the gear 18 are meshed so that the gear 18 can rotate while moving on the rack 20.

According to the utility model, the side wall of the rotary groove 16 is provided with the annular sliding groove 17, the rotary seat is provided with the annular sliding block, the annular sliding block is slidably arranged in the annular sliding groove 17, and the rotary seat can stably rotate in the rotary groove 16 through the arrangement of the annular sliding block and the annular sliding groove 17.

According to the utility model, the servo motor 3 is started, the output shaft of the servo motor 3 drives the rotary column to rotate, the rotary column rotates to drive the first bevel gear 5 to rotate, the first bevel gear 5 rotates to drive the second bevel gear 6 to rotate, the second bevel gear 6 rotates to drive the rotary rod 9 to rotate, the rotary rod 9 rotates to drive the lifting plate 15 to slide on the rotary rod 9, the lifting plate 15 slides to drive the gear 18 to slide on the rack 20, the gear 18 slides on the rack 20 to enable the gear 18 to slide and simultaneously rotate, the gear 18 rotates to drive the rotary seat to rotate, the rotary seat rotates to drive the rotary plate 19 to rotate, and the rotary plate 19 rotates to dissipate heat of a boiler, so that people can use the boiler conveniently.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A positioning device for a boiler furnace bottom air chamber comprises a base (1) and is characterized in that a fixed cavity (2) is formed in the base (1), a servo motor (3) is fixedly installed on one side of the base (1), an output shaft of the servo motor (3) extends into the fixed cavity (2) and is fixedly installed with a rotary column, a first bevel gear (5) is fixedly sleeved on the rotary column, two connecting plates (7) which are symmetrically arranged are fixedly installed at the top of the base (1), a fixed groove (8) is formed in one side, close to each other, of the two connecting plates (7), a rotary rod (9) is rotatably installed in the fixed groove (8), a second bevel gear (6) is fixedly sleeved in the bottom end of the rotary rod (9), the first bevel gear (5) is meshed with the second bevel gear (6), and a lifting plate (15) is connected onto the rotary rod (9) through threads, the bottom fixed mounting of lifter plate (15) has the one end of spring (10), and the other end fixed mounting of spring (10) is on the bottom of fixed slot (8) is inside, spread groove (11) have been seted up on the one side inner wall of fixed slot (8), and one side of lifter plate (15) extends to in spread groove (11), the top fixed mounting of base (1) has channel-section steel (12) that two symmetries set up, and the top of channel-section steel (12) is equipped with support (13) that two symmetries set up, is equipped with the bank of tubes on support (13), and the top fixed mounting of two connecting plates (17) has H shaped steel (14).

2. The positioning device for the furnace bottom plenum of the boiler as claimed in claim 1, wherein two symmetrically arranged supporting plates (4) are fixedly installed on the inner wall of the bottom of the fixed cavity (2), a rotating hole is formed on one side of each supporting plate (4), the rotating column is rotatably installed in the rotating hole, a bearing is fixedly sleeved on the rotating column, and the outer ring of the bearing is welded with the side wall of the rotating hole.

3. The positioning device for the furnace bottom plenum of the boiler as claimed in claim 1, wherein the top of the lifting plate (15) is provided with a threaded hole, the side wall of the threaded hole is provided with an internal thread, the rotating rod (9) is provided with an external thread, and the internal thread is engaged with the external thread.

4. The positioning device for the furnace bottom plenum of the boiler according to claim 1, wherein one side of the two lifting plates (15) close to each other is provided with a rotary slot (16), a rotary seat is rotatably mounted in the rotary slot (16), and one side of the rotary seat extends to the outside of the rotary slot (16) and is fixedly provided with a rotary plate (19).

5. The positioning device for the furnace bottom plenum of the boiler according to claim 4, characterized in that a rack (20) is fixedly installed on the top of the base (1), a gear (18) is fixedly sleeved on the rotary seat, and the gear (18) is engaged with the rack (20).

6. The positioning device for the furnace bottom plenum of the boiler according to claim 4, wherein the side wall of the rotary groove (16) is provided with an annular sliding groove (17), the rotary seat is provided with an annular sliding block, and the annular sliding block is slidably installed in the annular sliding groove (17).