Adjustable dust exhaust fan of boiler

Abstract

The utility model relates to the technical field of fans, and discloses a boiler adjustable dust exhaust fan which comprises a box body, a toothed plate and a bearing seat. An electric cylinder is arranged in the box body, a protruding block is fixedly connected to the upper portion of the outer side wall of the box body, and a protruding ring is fixedly connected to the top face of the protruding block. The end face of the toothed plate is fixedly connected with the output shaft end of the electric cylinder, the side wall of the toothed plate is meshed with a gear, and connecting plates are arranged on the two sides of the gear. A bearing seat is arranged above the box body in a lifting mode, a fan body is placed on the top face of the bearing seat, a cavity is formed in the bearing seat, and a cooling pipe is fixedly connected to the inner wall of the cavity. According to the fan, the height of the fan body can be adjusted according to actual mounting requirements, practicability is improved, the temperature of the bearing seat can be reduced through the arranged cooling pipe, and then a certain auxiliary cooling effect can be achieved on the fan body on the bearing seat.

Description

Technical Field

[0001] The present application relates to the technical field of fans, for example, to an adjustable dust exhaust fan for boilers. Background Art

[0002] An induced draft fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Induced draft fans are widely used in various industries. Among them, the induced draft fan for boilers is used for the ventilation and induced draft of boilers and industrial furnaces to quickly suck the gas with dust into the dust removal equipment.

[0003] However, when the existing induced draft fan for boilers is in use, it cannot adjust the height of the fan main body according to the actual installation requirements, resulting in low applicability and troublesome installation. Moreover, when the fan main body is running, it cannot play a certain role in assisting the cooling of the fan main body, affecting the service life.

[0004] Therefore, how to adjust the height of the fan main body to improve the applicability and how to assist in cooling the fan main body have become technical problems that need to be solved urgently by those skilled in the art. Summary of the Utility Model

[0005] To have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. The summary is not a general review, nor is it intended to identify key / important constituent elements or delineate the protection scope of these embodiments. Instead, it serves as a preface to the subsequent detailed description.

[0006] The embodiments of the present disclosure provide an adjustable dust exhaust fan for boilers to solve the problems of how to adjust the height of the fan main body to improve the applicability and how to assist in cooling the fan main body.

[0007] In some embodiments, the adjustable dust exhaust fan for boilers includes: a box body, a toothed plate, and a supporting seat; an electric cylinder is arranged inside the box body; the end face of the toothed plate is fixedly connected to the output shaft end of the electric cylinder, a gear is meshed with the side wall of the toothed plate, and connecting plates are arranged on both sides of the gear; the supporting seat is arranged above the box body in a liftable manner, the top surface of the supporting seat is provided with the fan main body, a chamber is arranged inside the supporting seat, and a cooling pipe is fixedly connected to the inner wall of the chamber.

[0008] The adjustable dust exhaust fan for boilers provided by the embodiments of the present disclosure can achieve the following technical effects:

[0009] The height of the fan main body can be adjusted according to the actual installation requirements. Start the electric cylinder, and the toothed plate moves under the action of the output shaft of the electric cylinder. Through the meshing of the toothed plate and the gear, the rotating shaft can be rotated. Under the action of the connecting plate and the cooperation of the guide rod and the guide port, the supporting seat can be stably lifted and lowered, so as to adjust the height of the fan main body. Moreover, the temperature at the supporting seat can be reduced through the cooling pipe, and thus a certain auxiliary cooling effect can be achieved on the fan main body on the supporting seat.

[0010] The above general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] One or more embodiments are exemplarily illustrated by the corresponding drawings. These exemplary illustrations and the drawings do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a scale limitation, and among them:

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic diagram of the internal structure of the box body of the present utility model;

[0014] Figure 3 is another schematic diagram of the internal structure of the box body of the present utility model;

[0015] Figure 4 is a schematic diagram of the internal structure of the supporting seat of the present utility model;

[0016] Reference numerals in the drawings: 1, supporting seat; 2, guide rod; 3, fan main body; 4, chamber; 5, water inlet pipe; 6, water outlet pipe; 7, cooling pipe; 8, box body; 9, convex block; 10, convex ring; 11, electric cylinder; 12, toothed plate; 13, gear; 14, rotating shaft; 15, connecting plate; 16, convex plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the drawings. The attached drawings are only for reference and illustration purposes, and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of explanation, multiple details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be shown in a simplified manner to simplify the drawings.

[0018] In the description, claims, and above-mentioned drawings of the embodiments of the present disclosure, terms such as "first" and "second" are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so as to implement the embodiments of the present disclosure described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0019] In the embodiments of the present disclosure, the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "middle", "outer", "front", and "rear" is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and their implementations, and are not used to limit that the indicated devices, elements, or components must have a specific orientation or be constructed and operated in a specific orientation. Moreover, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0020] In addition, the terms "arranged", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0021] Unless otherwise specified, the term "plurality" means two or more.

[0022] In the embodiments of the present disclosure, the character " / " indicates that the front and rear objects have an "or" relationship. For example, A / B means: A or B.

[0023] The term "and / or" is a description of the association relationship of an object, indicating that there can be three relationships. For example, A and / or B means: A or B, or, A and B these three relationships.

[0024] It should be noted that, without conflict, the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0025] Combined with Figures 1-4As shown in the figure, an adjustable dust exhaust fan for a boiler provided by an embodiment of the present disclosure includes: a box body 8, a toothed plate 12 and a supporting seat 1; an electric cylinder 11 is arranged inside the box body 8; the end face of the toothed plate 12 is fixedly connected to the output shaft end of the electric cylinder 11, a gear 13 is engaged with the side wall of the toothed plate 12, and connecting plates 15 are arranged on both sides of the gear 13; the supporting seat 1 is arranged above the box body 8 in a liftable manner, the blower main body 3 is placed on the top surface of the supporting seat 1, a chamber 4 is arranged inside the supporting seat 1, and a cooling pipe 7 is fixedly connected to the inner wall of the chamber 4.

[0026] By using the adjustable dust exhaust fan for a boiler provided by the embodiment of the present disclosure, the height of the blower main body 3 can be adjusted according to actual installation requirements. Start the electric cylinder 11, and the toothed plate 12 moves under the action of the output shaft of the electric cylinder 11. Through the mutual engagement of the toothed plate 12 and the gear 13, the rotating shaft 14 can be rotated. Under the action of the connecting plate 15 and the cooperation of the guide rod 2 and the guide port, the supporting seat 1 can be stably lifted and lowered, and then the height of the blower main body 3 is adjusted. Moreover, the temperature at the supporting seat 1 can be reduced through the cooling pipe 7, and thus a certain auxiliary cooling effect can be achieved on the blower main body 3 on the supporting seat 1.

[0027] Optionally, a water inlet pipe 5 and a water outlet pipe 6 are fixedly connected to the side wall of the supporting seat 1 in an inserted manner. The water inlet pipe 5 and the water outlet pipe 6 are placed side by side, and plugs are arranged at the pipe orifices of the water inlet pipe 5 and the water outlet pipe 6. One end of the cooling pipe 7 is communicated with and fixedly connected to the pipe orifice of the water inlet pipe 5, and the other end of the cooling pipe 7 is communicated with and fixedly connected to the pipe orifice of the water outlet pipe 6. In this way, remove the plugs, connect an external water delivery pipe to the water inlet pipe 5, and connect an external drain pipe to the water outlet pipe 6. The water liquid in the water delivery pipe flows into the cooling pipe 7 through the water inlet pipe 5. When the blower main body 3 is operating, hot air will be sucked by the blower main body 3, so that the components in the blower main body 3 are heated. The temperature at the supporting seat 1 can be reduced through the cooling pipe 7, and thus a certain auxiliary cooling effect can be achieved on the blower main body 3 on the supporting seat 1.

[0028] Optionally, a convex block 9 is fixedly connected to the upper part of the outer side wall of the box body 8, and a convex ring 10 is fixedly connected to the top surface of the convex block 9. In this way, when the device needs to be transported, by matching an external lifting hook with the convex ring 10, the device can be lifted and transported.

[0029] Optionally, the size of the supporting base 1 is larger than the size of the opening of the box body 8, and the top surface of the supporting base 1 corresponds to and has the same size as the top surface of the box body 8. Four corners of the bottom surface of the supporting base 1 are fixedly connected with guide rods 2, and four corners of the top surface of the box body 8 are provided with guide openings. The guide rods 2 correspond to and are slidably connected with the guide openings. In this way, when it is necessary to adjust the height of the fan main body 3 for installation according to actual requirements, the electric cylinder 11 is started. The toothed plate 12 moves under the action of the output shaft of the electric cylinder 11. Through the meshing of the toothed plate 12 and the gear 13, the rotating shaft 14 can be rotated. Under the action of the connecting plate 15 and in cooperation with the guide rods 2 and the guide openings, the supporting base 1 can be stably lifted and lowered to adjust the height of the fan main body 3 for height adjustment according to actual installation requirements.

[0030] Optionally, a base is provided on the side wall of the electric cylinder 11, and the base is fixed to the inner wall of the box body 8. In this way, the electric cylinder 11 is installed through the base.

[0031] Optionally, a rotating shaft 14 is fixedly connected through the middle of the side wall of the gear 13. One end of the rotating shaft 14 away from the gear 13 extends into the connecting plate 15, and the rotating shaft 14 is fixed to the connecting plate 15. A convex plate 16 is rotatably connected to the side wall of the connecting plate 15, and the top surface of the convex plate 16 is fixedly connected to the bottom surface of the supporting base 1. In this way, when the electric cylinder 11 is started, the toothed plate 12 moves under the action of the output shaft of the electric cylinder 11. Through the meshing of the toothed plate 12 and the gear 13, the rotating shaft 14 can be rotated. Under the action of the connecting plate 15 and in cooperation with the guide rods 2 and the guide openings, the supporting base 1 can be stably lifted and lowered to adjust the height of the fan main body 3.

[0032] Optionally, a bearing seat is rotatably connected to the side wall of the rotating shaft 14, and the bottom surface of the bearing seat is fixed to the inner bottom wall of the box body 8. In this way, the bearing seat is used to support and rotate the rotating shaft 14 to reduce the friction coefficient.

[0033] The above description and the drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural and other changes. The embodiments only represent possible variations. Unless explicitly required, the individual components and functions are optional, and the order of operations can vary. Parts and features of some embodiments can be included in or replaced by parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is only limited by the appended claims.

Claims

1. An adjustable dust exhaust fan for a boiler, characterized in that, Including: A box body (8), inside which an electric cylinder (11) is arranged; A toothed plate (12), the end face of which is fixedly connected to the output shaft end of the electric cylinder (11), and a gear (13) is meshed with the side wall of the toothed plate (12), and connecting plates (15) are arranged on both sides of the gear (13); A supporting seat (1), which is arranged above the box body (8) in a liftable manner, on the top surface of the supporting seat (1) a blower main body (3) is placed, inside the supporting seat (1) a chamber (4) is arranged, and a cooling pipe (7) is fixedly connected to the inner wall of the chamber (4).

2. The adjustable dust exhaust fan for a boiler according to claim 1, characterized in that, A water inlet pipe (5) and a water outlet pipe (6) are fixedly connected through the side wall of the supporting seat (1), and the water inlet pipe (5) and the water outlet pipe (6) are placed side by side.

3. The adjustable dust exhaust fan for a boiler according to claim 2, wherein Plugs are arranged at the pipe orifices of the water inlet pipe (5) and the water outlet pipe (6), one end of the cooling pipe (7) is communicated with and fixedly connected to the pipe orifice of the water inlet pipe (5), and the other end of the cooling pipe (7) is communicated with and fixedly connected to the pipe orifice of the water outlet pipe (6).

4. The adjustable dust exhaust fan for boiler according to claim 1, characterized in that, An upper part of the outer side wall of the box body (8) is fixedly connected with a convex block (9), and a convex ring (10) is fixedly connected to the top surface of the convex block (9).

5. The adjustable dust exhaust fan for a boiler according to claim 1, wherein The size of the supporting seat (1) is larger than the size of the box opening of the box body (8), and the supporting seat (1) corresponds to the top surface of the box body (8) and has the same size.

6. The adjustable dust exhaust fan for a boiler according to claim 1, wherein, Guide rods (2) are fixedly connected to four corners of the bottom surface of the supporting seat (1), guide openings are arranged at four corners of the top surface of the box body (8), and the guide rods (2) correspond to and are slidably connected to the guide openings.

7. An adjustable dust exhaust fan for a boiler according to claim 1, characterized in that A base is arranged on the side wall of the electric cylinder (11), and the base is fixedly connected to the inner wall of the box body (8).

8. The adjustable dust exhaust fan for a boiler according to claim 1, characterized in that, A rotating shaft (14) is fixedly connected through the middle part of the side wall of the gear (13), the end of the rotating shaft (14) far away from the gear (13) extends into the connecting plate (15), and the rotating shaft (14) is fixedly connected to the connecting plate (15).

9. The adjustable dust exhaust fan for a boiler according to claim 8, wherein, A bearing seat is rotatably connected to the side wall of the rotating shaft (14), and the bottom surface of the bearing seat is fixedly connected to the inner bottom wall of the box body (8).

10. The adjustable dust exhaust fan for a boiler according to claim 1, characterized in that, A convex plate (16) is rotatably connected to the side wall of the connecting plate (15), and the top surface of the convex plate (16) is fixedly connected to the bottom surface of the supporting seat (1).

Images