CN219282071U

CN219282071U - Floating connection mechanism for fan air pipe

Info

Publication number: CN219282071U
Application number: CN202223034993.3U
Authority: CN
Inventors: 赵晓春; 徐新; 赵小波; 孙启涵
Original assignee: Jiangsu Jingya Fan Co ltd
Current assignee: Jiangsu Jingya Fan Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-06-30
Anticipated expiration: 2032-11-15

Abstract

The utility model provides a floating connection mechanism for an air duct of a fan, and relates to the technical field of fans. This fan tuber pipe coupling mechanism that floats, including the fan body, fan body output fixedly connected with goes out the tuber pipe, it is equipped with first floating plate to go out tuber pipe outside cover, the first floating plate outside passes through bolt fixedly connected with connecting pipe, it is equipped with the cover that floats to go out tuber pipe outside cover, the cover that floats is equipped with the rotation ring outside, rotation ring one side is provided with the fixed plate, the rotation ring opposite side is provided with the curb plate. This fan tuber pipe floating connection mechanism makes the spring carry out spacingly to connecting pipe and curb plate, and simultaneously when moving each other between connecting pipe and curb plate, the connecting pipe drives a plurality of locating plates and removes to make a plurality of locating plates remove the shell fragment, a plurality of shell fragment one end remove with the curb plate, make the curb plate extrude the shell fragment, and the curb plate is crooked, thereby improves stability.

Description

Floating connection mechanism for fan air pipe

Technical Field

The utility model relates to a fan, in particular to a floating connection mechanism for an air pipe of the fan, and belongs to the technical field of fans.

Background

The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. The fan is a common short for gas compression and gas conveying machinery in China, and the fan generally comprises a ventilator, a blower and a wind driven generator. The fan is mainly applied to ventilation in various fields of national economy such as metallurgy, petrifaction, electric power, urban rail transit, spinning, ships and the like. In addition to the traditional application field, the method still has great development prospect in more than 20 potential market fields such as comprehensive utilization of coal gangue, technical improvement of novel dry clinker, energy conservation and comprehensive utilization of resources in metallurgical industry and the like.

The ventilation fans (typically small and medium centrifugal fans and axial fans) are most widely used, and most in demand and manufacturer. Generally, such products are in greater supply and demand. The special purpose fans (including anti-corrosion fans, high temperature fans, wear-resistant fans, fire-fighting smoke exhaust fans and the like) have small requirements, but are required to be treated differently due to special operation environments, because the main materials are required to be special. The Roots blower has the biggest characteristics of very little flow change, wide pressure selection range and forced gas transmission characteristic when the pressure is regulated within the allowable range, and the main disadvantage is larger noise.

Two symmetrical bosses are arranged on the outer surface of the air outlet of the spiral casing, two sections of symmetrical spiral grooves are arranged on the inner surface of the air pipe, after the grooves of the air pipe are aligned with the spiral casing bosses, the air pipe is sleeved into the air outlet of the spiral casing, then the air pipe is rotated for a certain angle, the bosses are positioned at the tail ends of the grooves, and the air pipe connecting device has the advantages of simple structure and convenience in disassembly and assembly, but has the defects that after the air pipe is manually screwed, the connection is not reliable enough, and under the action of high-frequency vibration, the air pipe can be automatically unscrewed or even fall off.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems by providing the floating connection mechanism for the air duct of the fan, so as to solve the problems that after the air duct is manually screwed, the connection is not reliable enough, and the air duct can be automatically unscrewed or even fall off under the action of high-frequency vibration under the high-speed running of a machine in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the fan air pipe floating connection mechanism comprises a fan body, an air outlet pipe is fixedly connected to the output end of the fan body, a first floating plate is sleeved outside the air outlet pipe, a connecting pipe is fixedly connected to the outer side of the first floating plate through a bolt, a floating sleeve is sleeved outside the air outlet pipe, a rotating ring is sleeved outside the floating sleeve, a fixing plate is arranged on one side of the rotating ring, a side plate is arranged on the other side of the rotating ring, and the fixing plate and the side plate are fixedly connected with the floating sleeve through bolts.

Preferably, a plurality of springs are fixedly connected between the side plates and the connecting pipes, and the springs are circumferentially arranged, so that the connecting pipes and the side plates are supported and limited.

Preferably, the connecting pipe rear side fixedly connected with a plurality of locating plates, a plurality of the locating plates are annular array and distributed in the connecting pipe rear side, a plurality of the equal integrated into one piece in locating plate one side has the shell fragment, and a plurality of shell fragment one end all contacts with the curb plate, makes connecting pipe and curb plate compress the shell fragment when relative movement to spacing is carried out connecting pipe and curb plate.

Preferably, the fixed frame is fixedly connected with the rear side of the bottom of the side plate, the two sliding blocks are fixedly connected with the top of the fixed frame, the bottom of the fan body is provided with the sliding groove, and the two sliding blocks are in sliding connection with the inside of the sliding groove, so that the fixed frame is limited, and the stability of the fixed frame is improved.

Preferably, the front end of the air outlet pipe is provided with a bracket, and the inside of the air outlet pipe is fixedly connected with a positioning frame.

Preferably, the locating rack is connected with a limit bolt through the support and movably connected with the support, so that the support is limited.

Preferably, the fixing plate is matched with one side of the rotating ring, and the side plate is matched with the other side of the rotating ring, so that the limiting of the rotating ring is facilitated.

The utility model provides a floating connection mechanism for a fan air pipe, which has the following beneficial effects:

1. this fan tuber pipe connecting mechanism that floats, when starting through the fan body, go out the tuber pipe and vibrate and make floating cover and first floating plate move, thereby make floating cover drive the swivel becket and remove, the swivel becket drives fixed plate and curb plate and removes, thereby make relative movement between curb plate and the connecting pipe, make curb plate and connecting pipe extrude the spring, thereby make the spring spacing connecting pipe and curb plate, simultaneously when moving each other between connecting pipe and curb plate, the connecting pipe drives a plurality of locating plates and removes, thereby make a plurality of locating plates remove the shell fragment, a plurality of shell fragment one end remove with the curb plate, make the curb plate extrude the shell fragment, the curb plate is crooked, thereby improve stability.

2. This fan tuber pipe connecting mechanism that floats, curb plate drive the mount and remove when removing, and the mount drives a plurality of sliding blocks and removes, makes a plurality of sliding blocks slide in the spout inside, improves stability.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of a rotary ring according to the present utility model;

fig. 5 is a schematic view of the partial structure of fig. 2 according to the present utility model.

In the figure: 1. a blower; 2. an air outlet pipe; 3. a first floating plate; 4. a connecting pipe; 5. a floating sleeve; 6. a rotating ring; 7. a fixing plate; 8. a side plate; 9. a spring; 10. a positioning plate; 11. a spring plate; 12. a sliding block; 13. a chute; 14. a fixing frame; 15. a bracket; 16. a limit bolt; 17. and a positioning frame.

Detailed Description

The embodiment of the utility model provides a floating connection mechanism for a fan air pipe.

Referring to fig. 1, 2, 3 and 4, the fan comprises a fan body 1, an air outlet pipe 2 is fixedly connected to the output end of the fan body 1, a first floating plate 3 is sleeved outside the air outlet pipe 2, a connecting pipe 4 is fixedly connected to the outer side of the first floating plate 3 through bolts, a floating sleeve 5 is sleeved outside the air outlet pipe 2, a rotating ring 6 is sleeved outside the floating sleeve 5, a fixed plate 7 is arranged on one side of the rotating ring 6, a side plate 8 is arranged on the other side of the rotating ring 6, the fixed plate 7 and the side plate 8 are fixedly connected with the floating sleeve 5 through bolts, a plurality of springs 9 are fixedly connected between the side plate 8 and the connecting pipe 4, the springs 9 are arranged in a circumference shape, a plurality of positioning plates 10 are fixedly connected to the rear side of the connecting pipe 4 and the side plate 8, the positioning plates 10 are distributed on the rear side of the connecting pipe 4 in an annular shape, a plurality of elastic sheet 11 is integrally formed on one side of the positioning plates 10, one end of each elastic sheet 11 is contacted with the side plate 8, so that the connecting pipe 4 and the side plate 8 compress the elastic sheets 11 during relative movement, thereby limiting the connecting pipe 4 and the side plate 8, the rear side of the bottom of the side plate 8 is fixedly connected with a fixing frame 14, the top of the fixing frame 14 is fixedly connected with two sliding blocks 12, a sliding groove 13 is arranged at the bottom of the fan body 1, the two sliding blocks 12 are both slidingly connected inside the sliding groove 13, which is beneficial to limiting the fixing frame 14, thereby improving the stability of the fixing frame 14, the front end of the air outlet pipe 2 is provided with a bracket 15, the inside of the air outlet pipe 2 is fixedly connected with a positioning frame 17, the inside of the positioning frame 17 is connected with a limiting bolt 16 through the bracket 15 and movably connected with the bracket 15, which is beneficial to limiting the bracket 15, the fixing plate 7 is matched with one side of the rotating ring 6, the side plate 8 is matched with the other side of the rotating ring 6, the limit of the rotating ring 6 is facilitated.

The air pipes connected with the inlet and the outlet of the fan are independently supported, so that the overlapping weight of the pipelines is not allowed to be added on the parts of the fan; when the fan is installed, the horizontal position of the fan should be noted, and the connection between the combination surface of the fan and the foundation and the air outlet pipeline should be adjusted to make the combination surface coincide naturally, so that the combination cannot be forced.

The fan is linked with the motor through a coupler to transfer motion and torque. Misalignment is the most common failure of a fan, 60% of which is associated with misalignment. The misalignment fault of the fan refers to the inclination or offset degree of the axial lead of the two rotors of the fan and the motor and the axial lead of the bearing. Misalignment of the fan rotor can be divided into coupling misalignment and bearing misalignment. After the fan rotor system generates misalignment faults, a series of dynamic effects which are unfavorable for the operation of equipment can be generated in the rotating process, deflection of a coupler, abrasion of a bearing, stable oil film, deflection deformation of a shaft and the like are caused, so that the mutual positions of a shaft neck of a rotor and the bearing and the working state of the bearing are changed, the inherent frequency of a shaft system is reduced, abnormal vibration of a fan and early damage of the bearing are caused by stress of the rotor and additional force applied to the bearing, damage is extremely serious, the fan and an air pipe are made of flexible hose materials and are not connected in a burning way, the length is not suitable to be less than 200mm, and the pipe diameter is identical with the inlet and outlet dimensions of the fan. In order to ensure that the hose does not have distortion in the running process of the system, the installation tightness is moderate. The canvas hose arranged at the suction end of the fan can be installed slightly tightly, so that the fan is prevented from being sucked in the operation process, and the cross-section size of the canvas hose is reduced.

Specifically, when the fan body 1 is started, the air outlet pipe 2 vibrates to enable the floating sleeve 5 and the first floating plate 3 to move, so that the floating sleeve 5 drives the rotating ring 6 to move, the rotating ring 6 drives the fixed plate 7 and the side plate 8 to move, so that the side plate 8 and the connecting pipe 4 relatively move, the side plate 8 and the connecting pipe 4 extrude the spring 9, so that the spring 9 limits the connecting pipe 4 and the side plate 8, and meanwhile, when the connecting pipe 4 and the side plate 8 move mutually, the connecting pipe 4 drives the plurality of positioning plates 10 to move, so that the plurality of positioning plates 10 move the elastic plates 11, one ends of the plurality of elastic plates 11 move with the side plate 8, the side plate 8 extrudes the elastic plates 11, the side plate 8 bends, so that stability is improved, the side plate 8 drives the fixing frame 14 to move when moving, the fixing frame 14 drives the plurality of sliding blocks 12 to move, and the sliding blocks 12 slide inside the sliding grooves 13, and the stability is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fan tuber pipe coupling mechanism that floats, includes fan body (1), its characterized in that: the novel air conditioner is characterized in that the output end of the fan body (1) is fixedly connected with an air outlet pipe (2), a first floating plate (3) is sleeved outside the air outlet pipe (2), a connecting pipe (4) is fixedly connected outside the first floating plate (3), a floating sleeve (5) is sleeved outside the air outlet pipe (2), a rotating ring (6) is sleeved outside the floating sleeve (5), a fixing plate (7) is arranged on one side of the rotating ring (6), a side plate (8) is arranged on the other side of the rotating ring (6), and the fixing plate (7) and the side plate (8) are fixedly connected with the floating sleeve (5) through bolts.

2. The fan duct floating attachment mechanism of claim 1, wherein: a plurality of springs (9) are fixedly connected between the side plates (8) and the connecting pipe (4), and the springs (9) are circumferentially arranged.

3. The fan duct floating attachment mechanism of claim 1, wherein: the connecting pipe (4) rear side fixedly connected with a plurality of locating plates (10), a plurality of locating plates (10) are annular array and distribute in connecting pipe (4) rear side, and a plurality of equal integrated into one piece in locating plate (10) one side has shell fragment (11), and a plurality of shell fragment (11) one end all contacts with curb plate (8).

4. The fan duct floating attachment mechanism of claim 1, wherein: the fan is characterized in that a fixing frame (14) is fixedly connected to the rear side of the bottom of the side plate (8), two sliding blocks (12) are fixedly connected to the top of the fixing frame (14), a sliding groove (13) is formed in the bottom of the fan body (1), and the two sliding blocks (12) are all in sliding connection with the inside of the sliding groove (13).

5. The fan duct floating attachment mechanism of claim 1, wherein: the front end of the air outlet pipe (2) is provided with a bracket (15), and a positioning frame (17) is fixedly connected inside the air outlet pipe (2).

6. The fan duct floating attachment mechanism of claim 5, wherein: the locating rack (17) inside bolted connection has spacing bolt (16), spacing bolt (16) run through support (15) and with support (15) swing joint.

7. The fan duct floating attachment mechanism of claim 1, wherein: the fixed plate (7) is matched with one side of the rotating ring (6), and the side plate (8) is matched with the other side of the rotating ring (6).