CN212757673U

CN212757673U - Novel bag collector import air door structure

Info

Publication number: CN212757673U
Application number: CN202021212777.1U
Authority: CN
Inventors: 刘海翠; 庄新玲; 张佃平; 梁加富
Original assignee: Shandong Haihui Environmental Protection Equipment Co ltd
Current assignee: Shandong Haihui Environmental Protection Equipment Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-23
Anticipated expiration: 2030-06-28

Abstract

The utility model provides a novel inlet air door structure of a bag type dust collector, which comprises an inlet guide plate, wherein the opening of the inlet guide plate is upward, and is connected with an inlet of the bag type dust collector in the horizontal direction, the front side of the inlet guide plate is rotationally connected with a rotating shaft at the end part of the air door, one end of the rotating shaft penetrates through the inlet guide plate and is fixedly connected with the middle part of the first rotating arm, the two ends of the first rotating arm are respectively and rotatably connected with the adjusting pull rod, the other end of the adjusting pull rod is respectively and rotationally connected with two ends of a second rotating arm, the middle part of the second rotating arm is rotationally connected with a fixed shaft, the fixed shaft is fixedly connected with the fixed support, the bottom of the fixed support is rotatably connected with the air cylinder, the other end of the air cylinder is rotatably connected with one end of the second rotating arm, the fixed support is fixedly connected to a supporting support connected to the bottom of the bag type dust collector, and the end portion, connected with the second rotating arm, of the air cylinder is close to the supporting support.

Description

Novel bag collector import air door structure

Technical Field

The utility model relates to a novel bag collector import air door structure belongs to bag collector import air door technical field.

Background

Along with the development of modern industry, dust particles generated in the fields of metallurgy, building materials, chemical industry, machinery, mines and the like are more and more, air pollution is more and more serious, the national emission standard of atmospheric pollutants in each province and city area is more and more strict, effective dust pollution treatment is the most important factor, the using effect of the existing pulse bag type dust collector is obvious, however, the purifying effect of the pulse bag type dust collector can be influenced by the speed of flue gas entering the pulse bag type dust collector, the dust content in the flue gas and the amount of the flue gas, and the dust collecting efficiency can be greatly improved by ensuring the flow rate of the proper amount of the flue gas and the flue gas, so a device capable of adjusting the air volume and the flow rate is needed, generally, the device used by people is an air adjusting valve, the traditional air adjusting valve mostly adopts a manual air adjusting gate to adjust the air volume or open and close the air adjusting valve, and the manual air adjusting valve is mostly installed at a higher, the manual work is needed to climb to the top to adjust and maintain, and the mode is time-consuming and labor-consuming and has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a novel bag collector import air door structure, the technical scheme of taking is:

a novel inlet air door structure of a bag type dust collector comprises an inlet guide plate, the opening of the inlet guide plate is upward, and is connected with an inlet of the bag type dust collector in the horizontal direction, the front side of the inlet guide plate is rotationally connected with a rotating shaft at the end part of the air door, one end of the rotating shaft penetrates through the inlet guide plate and is fixedly connected with the middle part of the first rotating arm, the two ends of the first rotating arm are respectively and rotatably connected with the adjusting pull rod, the other end of the adjusting pull rod is respectively and rotationally connected with two ends of a second rotating arm, the middle part of the second rotating arm is rotationally connected with a fixed shaft, the fixed shaft is fixedly connected with the fixed support, the bottom of the fixed support is rotatably connected with the air cylinder, the other end of the air cylinder is rotatably connected with one end of the second rotating arm, the fixed support is fixedly connected to a supporting support connected to the bottom of the bag type dust collector, and the end portion, connected with the second rotating arm, of the air cylinder is close to the supporting support.

Preferably, the air door includes the valve plate, the tip of valve plate is equipped with the pivot, the both sides and the middle part fixed connection pedestal of pivot, the pedestal is connected with the valve plate through first fixed plate, first fixed plate fixed connection is in the side of pedestal.

Furthermore, the second fixed plates which are symmetrically arranged are respectively arranged below the first fixed plate, the second fixed plates are fixedly connected with the valve plate, the shaft bracket is respectively positioned between the second fixed plates corresponding to the positions of the shaft bracket, the second fixed plates and the shaft bracket are internally provided with connecting shafts in a penetrating manner, and the connecting shafts penetrate through the second fixed plates on two sides of the valve plate and are in threaded connection with nuts.

Furthermore, a rib plate fixedly connected to the valve plate is arranged between the shaft brackets.

Preferably, a shaft seal is arranged at the rotary connection position of the rotating shaft and the inlet guide plate.

Preferably, two ends of the adjusting pull rod are respectively and rotatably connected with the end parts of the first rotating arm and the second rotating arm through cylindrical pins.

The utility model discloses simple structure, maintenance convenience, labour saving and time saving, semi-automatization control, the reliable operation can the multistation installation, does not receive the medium flow direction to influence.

Drawings

Fig. 1 is a schematic structural diagram of a novel inlet air door structure of a bag type dust collector of the present invention.

Fig. 2 is a schematic structural diagram ii of the inlet air door structure of the novel bag-type dust collector of the present invention.

Fig. 3 is a schematic structural diagram of the air door of the present invention.

Fig. 4 is a front view of the damper of the present invention.

Fig. 5 is a side view of the damper of the present invention.

In the figure: 1. an inlet guide plate; 2. a bag type dust collector; 3. a damper; 301. a valve plate; 302. a rotating shaft; 303. a pedestal; 304. a first fixing plate; 305. a second fixing plate; 306. a connecting shaft; 307. a rib plate; 4. a first rotation arm; 5. adjusting the pull rod; 6 a second rotating arm; 7. a cylinder; 8. fixing a bracket; 9. and a support.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, a novel bag collector inlet air door structure, including import baffle 1, the opening of import baffle 1 up, and with bag collector 2's the ascending access connection of horizontal direction, the front side of import baffle 1 rotates with the pivot 302 of air door 3 tip to be connected, the middle part fixed connection of import baffle 1 and first rotor arm 4 is passed to the one end of pivot 302, the both ends of first rotor arm 4 rotate respectively and connect adjusting pull rod 5, adjusting pull rod 5's the other end rotates with the both ends of second rotor arm 6 respectively to be connected, adjusting pull rod 5's both ends rotate respectively through the cylindric lock respectively with the tip of first rotor arm 4 and second rotor arm 6 to be connected. The middle part of second rotor arm 6 is rotated and is connected the fixed axle, fixed axle and fixed bolster 8 fixed connection, the bottom of fixed bolster 8 is rotated and is connected cylinder 7, the other end of cylinder 7 rotates with the one end of second rotor arm 6 and is connected, fixed bolster 8 fixed connection is on the support bracket 9 that bag collector 2 bottom is connected, the tip that cylinder 7 and second rotor arm 6 are connected is close to support bracket 9 and sets up.

The air door 3 comprises a valve plate 301, the end portion of the valve plate 301 is provided with a rotating shaft 302, two sides and the middle portion of the rotating shaft 302 are fixedly connected with a shaft bracket 303, the shaft bracket 303 is connected with the valve plate 301 through a first fixing plate 304, and the first fixing plate 304 is fixedly connected to the side face of the shaft bracket 303. Two second fixing plates 305 which are symmetrically arranged are respectively arranged below the first fixing plate 304, the second fixing plates 305 are fixedly connected with the valve plate 301, the shaft frame 303 is respectively positioned between the second fixing plates 305 corresponding to the positions of the shaft frame 303, a connecting shaft 306 penetrates through the second fixing plates 305 and the shaft frame 303, and the connecting shaft 306 penetrates through the second fixing plates 305 on the two sides of the valve plate 301 and is in threaded connection with a nut. The shaft bracket 303 is limited and fixed again by the second fixing plate 305 and the connecting shaft 306, so that the firmness of the shaft bracket 303 is improved. And rib plates 307 fixedly connected to the valve plate 301 are arranged between the shaft brackets 303, so that the firmness of the valve plate 301 is enhanced.

The rotating shaft 302 is rotatably connected with the inlet guide plate 1 through a graphite bearing, a shaft seal is arranged at the rotating connection position, the sealing performance is enhanced, pollutants such as dust and the like are prevented from entering the graphite bearing, and the maintenance frequency is reduced.

The range of the rotation angle of the air door 3 of the utility model is 0-60 degrees, when the air cylinder 7 is not moving, the air door 3 is in a horizontal state, at the moment, the air door 3 is in a closed state, the smoke can not enter the filter bag filter chamber inside the bag type dust collector 2, at the moment, the work of blowing dust cleaning and filter bag maintenance can be completed, when the air cylinder 7 retracts, the second rotating arm 6 is driven to rotate, the adjusting pull rod 5 rotationally connected with the second rotating arm 6 is driven to move through the second rotating arm 6, the adjusting pull rod 5 drives the first rotating arm 4 to rotate, the rotating shaft 302 of the air door 3 is driven to rotate through the rotation of the first rotating arm 4, the valve plate 301 of the air door 3 is further driven to rotate, the rotation angle can be adjusted according to the retraction stroke of the air cylinder 7, the opening angle is different, the wind speed entering the bag type dust collector 2 is different, when the retraction stroke reaches the maximum, the damper 3 is in the maximum open state at this time.

The utility model discloses can set up according to bag collector 2's import quantity, can realize opening and shutting of synchronous control damper 3, and rotate in a flexible way, the distribution situation of the improvement air current wake that damper 3 can be fine, and resistance and aperture are linear proportional relation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel bag collector import air door structure which characterized in that: comprises an inlet guide plate, the opening of the inlet guide plate is upward and is connected with an inlet of the bag type dust collector in the horizontal direction, the front side of the inlet guide plate is rotationally connected with a rotating shaft at the end part of the air door, one end of the rotating shaft penetrates through the inlet guide plate and is fixedly connected with the middle part of the first rotating arm, two ends of the first rotating arm are respectively and rotatably connected with an adjusting pull rod, the other end of the adjusting pull rod is respectively and rotatably connected with two ends of the second rotating arm, the middle part of the second rotating arm is rotatably connected with a fixed shaft which is fixedly connected with a fixed bracket, the bottom of the fixed bracket is rotationally connected with an air cylinder, the other end of the air cylinder is rotationally connected with one end of a second rotating arm, the fixed support is fixedly connected to a supporting support connected to the bottom of the bag type dust collector, and the end portion, connected with the second rotating arm, of the air cylinder is close to the supporting support.

2. The inlet damper structure of the novel bag-type dust collector as claimed in claim 1, wherein: the air door includes the valve plate, the tip of valve plate is equipped with the pivot, the both sides and the middle part fixed connection pedestal of pivot, the pedestal is connected with the valve plate through first fixed plate, first fixed plate fixed connection is in the side of pedestal.

3. The inlet damper structure of the novel bag-type dust collector as claimed in claim 2, wherein: the lower part of the first fixing plate is respectively provided with two symmetrically arranged second fixing plates, the second fixing plates are fixedly connected with the valve plate, the shaft bracket is respectively positioned between the second fixing plates corresponding to the positions of the shaft bracket, the second fixing plates and the shaft bracket are internally provided with connecting shafts in a penetrating manner, and the connecting shafts penetrate through the second fixing plates on two sides of the valve plate and are in threaded connection with nuts.

4. The inlet damper structure of the novel bag-type dust collector as claimed in claim 2, wherein: and rib plates fixedly connected to the valve plate are arranged between the shaft brackets.

5. The inlet damper structure of the novel bag-type dust collector as claimed in claim 1, wherein: and a shaft seal is arranged at the rotary connection part of the rotating shaft and the inlet guide plate.

6. The inlet damper structure of the novel bag-type dust collector as claimed in claim 1, wherein: and two ends of the adjusting pull rod are respectively and rotatably connected with the end parts of the first rotating arm and the second rotating arm through cylindrical pins.