CN214424637U

CN214424637U - Tower drum ventilation device

Info

Publication number: CN214424637U
Application number: CN202022686337.6U
Authority: CN
Inventors: 崔博; 何建平; 张�杰; 张旭
Original assignee: Datang Sanmenxia Wind Power Generation Co ltd
Current assignee: Datang Sanmenxia Wind Power Generation Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-10-19
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to the technical field of wind turbine generators, in particular to a tower drum ventilation device, which comprises a tower drum, wherein the lower part of the outer wall of the tower drum is provided with a tower drum door, the surface of the tower drum door is provided with two movable shutters, the rear ends of the movable shutters are connected with an air inlet pipe, a dust screen is detachably and fixedly connected in the air inlet pipe, the back of the dust screen is provided with a dust removal mechanism, the air inlet pipe is connected with an air inlet hopper, the air inlet hopper is connected with an air exhauster, the upper part of the tower drum is connected with an air outlet pipe, and the inner end of the air outlet pipe is connected with an exhaust fan; the movable shutter is arranged, so that the blades can be flexibly adjusted, the air inlet quantity is adjusted, the air flow passing through the radiator is changed, the cooling strength is adjusted, the internal temperature of the tower barrel is kept in a proper range, and the normal operation of the converter in the tower barrel is ensured; set up the dust screen, can filter the air core through in the air-intake pipe, avoid the dust to adsorb the condition on radiator surface in a large number to take place to the radiating efficiency of radiator when using for a long time has been guaranteed.

Description

Tower drum ventilation device

Technical Field

The utility model relates to a wind turbine generator system technical field specifically is a tower section of thick bamboo ventilation unit.

Background

The wind power tower barrel is a tower pole of wind power generation, and mainly plays a supporting role in a wind generating set and absorbs the vibration of the set.

The production process flow of the wind power tower is generally as follows: blanking by a numerical control cutting machine, beveling a thick plate, performing spot welding and positioning after the plate is rolled and formed by a plate rolling machine, welding an inner longitudinal seam and an outer longitudinal seam after confirmation, performing secondary rounding if a problem exists after roundness inspection, performing group spot welding on a roller frame by adopting a hydraulic group after welding a single-section barrel, welding an inner circular seam and an outer circular seam, performing tolerance inspection such as straightness and the like, performing nondestructive flaw detection and flatness inspection of a welding seam after welding a flange, performing sand blasting and paint spraying treatment, and after internal part installation and finished product inspection, transporting to an installation site.

The air-cooled converter is placed in a tower barrel, the tower barrel is used as a sealed container, and if hot air emitted by the converter during operation is discharged into the tower barrel and is not discharged out of the tower barrel in time, the air temperature in the space of the tower barrel is increased, the inlet air temperature of the converter is increased, and the normal operation of the converter is influenced; therefore, a ventilation device is generally required to be arranged in the tower barrel, so that the requirement of the heat dissipation air quantity of the converter is met.

However, the existing ventilation device does not have the air volume adjusting function and cannot adjust the cooling strength of the radiator, so that the proper temperature range is difficult to ensure in the tower barrel; and outside air enters the tower barrel to carry a large amount of dust to be accumulated on the surface of the radiator, so that the radiating efficiency of the radiator is influenced.

Disclosure of Invention

An object of the utility model is to provide a tower section of thick bamboo ventilation unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tower section of thick bamboo ventilation unit, including a tower section of thick bamboo, the outer wall lower part of a tower section of thick bamboo is equipped with a tower section of thick bamboo door, the surface of tower section of thick bamboo door is equipped with two venetian blinds, venetian blind's rear end is connected with the air-supply line, can dismantle the fixedly connected with dust screen in the air-supply line, the back of dust screen is equipped with dust removal mechanism, the air-supply line is connected with the air-supply line fill, the air-supply line fill is connected with the air exhauster, the upper portion of a tower section of thick bamboo is connected with out the tuber pipe, the inner that goes out the tuber pipe is connected with the exhaust fan.

Preferably, the venetian blind includes the window frame, the equal sliding connection of both sides inside wall of window frame has a connecting rod, one of them piston rod through the electronic jar of connecting seat fixedly connected with on the connecting rod, the lower extreme of electronic jar is connected in the window frame inner wall, two the impartial distance rotates the one end that is connected with many connection knee rods on the connecting rod, the other end fixedly connected with blade inside wall's of connection knee rod one end, the middle part of connecting the knee rod rotates the inside wall of connection in the window frame.

Preferably, a dust collecting groove is arranged below the dust screen, the dust collecting groove is detachably and fixedly connected to the bottom of the air inlet pipe, and the lower part of the dust collecting groove is positioned below the air inlet pipe.

Preferably, the dust removal mechanism includes two lead screws, two the both ends of lead screw all rotate through the bearing frame and connect in the air-supply line, one of them the output shaft of shaft coupling fixedly connected with lead screw motor is passed through to the one end of lead screw, lead screw motor fixed connection is on the outer wall surface of air-supply line, two be connected with belt drive mechanism between the other end of lead screw, two equal threaded connection has nut seat on the lead screw, two nut seat fixedly connected with dust removal brush respectively, the brush hair part of dust removal brush is laminated with the inner wall of dust screen mutually.

Preferably, the belt transmission mechanism comprises two transmission belt wheels, the two transmission belt wheels are respectively and fixedly connected to one ends of the two screw rods, and a transmission belt is connected between the two transmission belt wheels.

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

1) according to the tower drum ventilation device, the movable shutter is arranged, so that the blades can be flexibly adjusted, the air inlet volume is adjusted, the air flow passing through the radiator is changed, the cooling strength is adjusted, the internal temperature of the tower drum is kept in a proper range, and the normal work of a converter in the tower drum is ensured; when the air intake needs to be adjusted, the electric cylinder is started, a piston rod of the electric cylinder drives the connecting rod to move on the inner side of the window frame, and the connecting rod drives the blades to rotate through the connecting bent rods, so that the air intake is adjusted.

2) According to the tower drum ventilation device, the dust screen is arranged, so that the air core passing through the air inlet pipe can be filtered, the condition that a large amount of dust is adsorbed on the surface of the radiator is avoided, and the heat dissipation efficiency of the radiator in long-term use is ensured; meanwhile, dust accumulated on the surface of the dust screen can be removed regularly through the dust removal mechanism, so that the condition that the air inlet amount is insufficient due to the fact that the screen holes are blocked by the dust is avoided; when the dust screen needs to be dedusted, the exhaust fan stops working, the screw rod motor is started, one of the screw rods is driven by an output shaft of the screw rod motor to rotate, the other screw rod is driven by the screw rod through the belt transmission mechanism to synchronously rotate, the two screw rods drive the dedusting brush through the nut seat to clean dust attached to the surface of the dust screen, and the dust cleaned by the dedusting brush falls into the dust collection groove to be collected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the installation of the present invention;

fig. 2 is a schematic structural view of an air intake system of the present invention;

fig. 3 is a schematic structural view of the exhaust system of the present invention;

the device comprises a tower barrel 1, a tower barrel door 2, a movable shutter 3, an air inlet pipe 4, a dust screen 5, an air inlet hopper 6, an exhaust fan 7, an air outlet pipe 8, an exhaust fan 9, a window frame 10, a connecting rod 11, an electric cylinder 12, a connecting bent rod 13, blades 14, a dust collecting groove 15, a screw rod 16, a screw rod motor 17, a nut seat 18, a dust removing brush 19, a transmission belt wheel 20 and a transmission belt 21.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: tower section of thick bamboo ventilation unit, including a tower section of thick bamboo 1, the outer wall lower part of a tower section of thick bamboo 1 is equipped with tower section of thick bamboo door 2, the surface of tower section of thick bamboo door 2 is equipped with two venetian blinds 3, venetian blind 3's rear end is connected with air-supply line 4, can dismantle fixedly connected with dust screen 5 in the air-supply line 4, dust screen 5's back is equipped with dust removal mechanism, air-supply line 4 is connected with the air-supply line and fights 6, air-supply line is fought 6 and is connected with air exhauster 7, the upper portion of a tower section of thick bamboo 1 is connected with out the tuber pipe 8, the inner that goes out tuber pipe 8 is connected with exhaust fan 9.

The venetian blind 3 comprises a window frame 10, the inner side walls of two sides of the window frame 10 are both connected with a connecting rod 11 in a sliding mode, one connecting rod 11 is fixedly connected with a piston rod of an electric cylinder 12 through a connecting seat, the lower end of the electric cylinder 12 is connected to the inner wall of the window frame 10, one ends of a plurality of connecting bent rods 13 are rotatably connected to the two connecting rods 11 at equal intervals, the other ends of the connecting bent rods 13 are fixedly connected with one ends of the inner side walls of blades 14, and the middle parts of the connecting bent rods 13 are rotatably connected to the inner side walls of the window frame 10; by arranging the movable shutter 3, the blades 14 can be flexibly adjusted, so that the air inlet volume is adjusted, the air flow passing through the radiator is changed, the cooling strength is adjusted, the internal temperature of the tower barrel 1 is kept in a proper range, and the normal operation of the converter in the tower barrel 1 is ensured; when the air intake needs to be adjusted, the electric cylinder 12 is started, the piston rod of the electric cylinder 12 drives the connecting rod 11 to move on the inner side of the window frame 10, and the connecting rod 11 drives the blades 14 to rotate through the connecting bent rods 13, so that the air intake is adjusted.

Wherein, a dust collecting groove 15 is arranged below the dust screen 5, the dust collecting groove 15 is detachably and fixedly connected with the bottom of the air inlet pipe 4, and the lower part of the dust collecting groove 15 is positioned below the air inlet pipe 4; the dust removing mechanism comprises two lead screws 16, two ends of each of the two lead screws 16 are rotatably connected to the air inlet pipe 4 through bearing seats, one end of one lead screw 16 is fixedly connected with an output shaft of a lead screw motor 17 through a coupler, the lead screw motor 17 is fixedly connected to the surface of the outer wall of the air inlet pipe 4, a belt transmission mechanism is connected between the other ends of the two lead screws 16, nut seats 18 are in threaded connection with the two lead screws 16, the two nut seats 18 are respectively and fixedly connected with a dust removing brush 19, and the brush hair part of the dust removing brush 19 is attached to the inner wall of the dust screen 5; the belt transmission mechanism comprises two transmission belt wheels 20, the two transmission belt wheels 20 are respectively and fixedly connected to one ends of the two screw rods 16, and a transmission belt 21 is connected between the two transmission belt wheels 20; by arranging the dustproof net 5, the air core passing through the air inlet pipe 4 can be filtered, so that the condition that a large amount of dust is adsorbed on the surface of the radiator is avoided, and the radiating efficiency of the radiator in long-term use is ensured; meanwhile, dust accumulated on the surface of the dust screen 5 can be removed regularly through the dust removal mechanism, so that the condition that the air inlet amount is insufficient due to the fact that the screen holes are blocked by the dust is avoided; when the dust screen 5 needs to be dedusted, the exhaust fan 7 is stopped, the screw rod motor 17 is started, one of the screw rods 16 is driven by the output shaft of the screw rod motor 17 to rotate, the other screw rod 16 is driven by the screw rod 16 through a belt transmission mechanism to synchronously rotate, the two screw rods 16 drive the dedusting brush 19 through the nut seat 18 to clean dust attached to the surface of the dust screen 5, and the dust cleaned by the dedusting brush 19 falls into the dust collection groove 15 to be collected.

Principle of operation

When the ventilating device for the tower barrel is used, the exhaust fan 7 and the exhaust fan 9 are started, so that external air enters the tower barrel 1 through the movable shutter 3 and is exhausted through the air outlet pipe 8, and air circulation in the tower barrel 1 is realized; when the air intake needs to be adjusted, the electric cylinder 12 is started, a piston rod of the electric cylinder 12 drives the connecting rod 11 to move on the inner side of the window frame 10, the connecting rod 11 drives the blades 14 to rotate through the connecting bent rods 13, so that the air intake is adjusted, the air flow passing through the radiator is changed, the cooling strength is adjusted, the internal temperature of the tower barrel 1 is kept in a proper range, and the normal operation of the converter in the tower barrel 1 is ensured; when air enters the air inlet pipe 4, the dust screen 5 filters dust in the air, so that the situation that a large amount of dust is adsorbed on the surface of the radiator can be avoided, and the radiating efficiency of the radiator in long-term use is ensured; when the dust screen 5 needs to be dedusted, the exhaust fan 7 is stopped, the screw rod motor 17 is started, the output shaft of the screw rod motor 17 electrically drives one screw rod 16 to rotate, the screw rod 16 drives the other screw rod 16 to synchronously rotate through a belt transmission mechanism, the two screw rods 16 drive the dedusting brush 19 through the nut seat 18 to clean dust attached on the surface of the dust screen 5, and the dust cleaned through the dedusting brush 19 falls into the dust collection groove 15 to be collected; dust accumulated on the surface of the dust screen 5 can be removed regularly, and the situation that the air inlet amount is insufficient due to the fact that the dust blocks the mesh is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Tower section of thick bamboo ventilation unit, including a tower section of thick bamboo (1), its characterized in that, the outer wall lower part of a tower section of thick bamboo (1) is equipped with tower section of thick bamboo door (2), the surface of tower section of thick bamboo door (2) is equipped with two venetian blind (3), the rear end of venetian blind (3) is connected with air-supply line (4), can dismantle fixedly connected with dust screen (5) in air-supply line (4), the back of dust screen (5) is equipped with dust removal mechanism, air-supply line (4) are connected with air-supply line fill (6), air-supply line fill (6) are connected with air exhauster (7), the upper portion of a tower section of thick bamboo (1) is connected with out tuber pipe (8), the inner that goes out tuber pipe (8) is connected with exhaust fan (9).

2. The tower ventilation device as claimed in claim 1, wherein the venetian blind (3) comprises a window frame (10), the inner side walls of two sides of the window frame (10) are both connected with a connecting rod (11) in a sliding manner, one of the connecting rods (11) is fixedly connected with a piston rod of an electric cylinder (12) through a connecting seat, the lower end of the electric cylinder (12) is connected with the inner wall of the window frame (10), two of the connecting rods (11) are rotatably connected with one end of a plurality of connecting bent rods (13) at equal intervals, the other end of each connecting bent rod (13) is fixedly connected with one end of the inner side wall of a blade (14), and the middle part of each connecting bent rod (13) is rotatably connected with the inner side wall of the window frame (10).

3. The tower ventilation device as claimed in claim 1, wherein a dust collection groove (15) is provided below the dust screen (5), the dust collection groove (15) is detachably and fixedly connected to the bottom of the air inlet pipe (4), and the lower part of the dust collection groove (15) is located below the air inlet pipe (4).

4. The tower ventilation device as claimed in claim 1, wherein the dust removing mechanism comprises two lead screws (16), two ends of each of the two lead screws (16) are rotatably connected to the air inlet pipe (4) through a bearing seat, one end of one of the lead screws (16) is fixedly connected with an output shaft of a lead screw motor (17) through a coupling, the lead screw motor (17) is fixedly connected to the outer wall surface of the air inlet pipe (4), a belt transmission mechanism is connected between the other ends of the two lead screws (16), nut seats (18) are respectively and threadedly connected to the two lead screws (16), the two nut seats (18) are respectively and fixedly connected with a dust removing brush (19), and the brush hair portion of the dust removing brush (19) is attached to the inner wall of the dust screen (5).

5. The tower ventilation device according to claim 4, characterized in that the belt transmission mechanism comprises two belt pulleys (20), the two belt pulleys (20) are respectively fixedly connected to one ends of the two screw rods (16), and a transmission belt (21) is connected between the two belt pulleys (20).