CN215979993U

CN215979993U - Damping device of axial flow fan

Info

Publication number: CN215979993U
Application number: CN202122436181.0U
Authority: CN
Inventors: 赵玉明; 曹康奔; 黄勇; 李敏
Original assignee: Suzhou Zhongzhixin Ring Cooling Equipment Co ltd
Current assignee: Suzhou Zhongzhixin Ring Cooling Equipment Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-08
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of axial flow fans, in particular to a damping device of an axial flow fan, which comprises a motor main body, wherein a fixing frame is fixedly installed on one side of the motor main body, a mesh enclosure connecting flange is fixedly installed on one side of the fixing frame, a protective mesh enclosure is fixedly installed on the mesh enclosure connecting flange, and a fan blade wheel is fixedly installed on one side of the outer part of the motor main body; the damping mechanism comprises fixed blocks, the two sides of the motor main body are fixedly connected with the fixed blocks, and two groups of fixed plates are arranged on one sides of the fixed blocks; and an auxiliary limiting mechanism is arranged on one side of the supporting rod. The utility model adds a fixed supporting point to the tail end of the motor main body through two groups of supporting rods, thereby leading the whole device not to be an independent cantilever beam structure, improving the whole rigidity of the device and leading the device to be more stable, simultaneously reducing the vibration amplitude of the whole device and increasing the stability of the device.

Description

Damping device of axial flow fan

Technical Field

The utility model relates to the technical field of axial flow fans, in particular to a damping device of an axial flow fan.

Background

The axial flow fan is a general machine widely applied to various departments of national economy. The gas pressure is increased and the gas is discharged by the input mechanical energy, and the gas pressure-increasing machine is a driven fluid machine. Axial fans are widely used in ventilation, dust extraction and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. The axial flow fan accelerates gas by using an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, and then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy (pressure). In a single stage axial flow fan, the gas enters the impeller from an axial direction, changes to a radial direction as it flows through the impeller, and then enters the diffuser. In diffusers, the gas changes flow direction and the increase in conduit cross-sectional area slows the gas flow, which converts kinetic energy into pressure energy. The pressure increase occurs primarily in the impeller and secondarily in the diffusion process. In a multi-stage axial flow fan, a flow reverser is used to direct the air flow to the next impeller, creating a higher pressure.

The axial flow fan directly connected with the motor structurally comprises the motor, a mesh enclosure and an impeller, wherein the motor is fixed on the mesh enclosure through bolts, and the impeller is fixed on a motor shaft. Because this kind of connected mode is the cantilever beam structure, so the vibration of general fan often can be on the large side, and long-term the use has very big influence to the life-span of fan, therefore needs a damping device of axial fan to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problems, an object of the present invention is to provide a damping device for an axial flow fan, so as to solve the problem that the conventional connection method proposed in the above background art is a cantilever structure, so that the vibration of a general fan is often large, and the long-term use of the general fan has a great influence on the service life of the fan.

In order to achieve the purpose, the utility model provides the following technical scheme: a shock absorption device of an axial flow fan comprises a motor main body, wherein a motor connecting flange is fixedly arranged on one side of the motor main body, one side of the motor connecting flange is fixedly arranged on a fixing frame, a mesh enclosure connecting flange is fixedly arranged on the other side of the fixing frame, a protective mesh enclosure is fixedly arranged on the mesh enclosure connecting flange, and a fan blade wheel is fixedly arranged on one side of the outer part of the motor main body;

the damping mechanism comprises a fixed block, the two sides of the motor main body are fixedly connected with the fixed block, and one side of the fixed block is provided with two groups of fixed plates which are connected with a first bolt through threads, one end of the first bolt penetrates through the two groups of fixing plates and extends into the fixing blocks to be in threaded connection with the fixing blocks, two ends of the two groups of fixing plates are fixedly connected with supporting rods, two groups of net cover fastening and mounting rods are respectively welded on the outer parts of two sides of one end of the net cover connecting flange, one sides of the two groups of net cover fastening and mounting rods on the lower side respectively extend to one side of the two groups of supporting rods, second bolts are inserted on the two groups of supporting rods, the other sides of the second bolts respectively penetrate through the support rod and the net cover fastening mounting rod, and nuts are connected to one sides of the outer parts of the two groups of second bolts through threads;

and an auxiliary limiting mechanism is arranged on one side of the supporting rod.

Preferably, two sets of the second bolt outside of bracing piece and screen panel fastening installation pole one side all is equipped with the gasket, and the one end of gasket tightly laminates with two sets of second bolts and nut respectively.

Preferably, two sides of one end of each of the two groups of fixing plates and the two groups of supporting rods are arc-shaped.

Preferably, mounting grooves are formed in two sides of the inside of the fixing frame, and one end of the first bolt is welded with the hoisting ring.

Preferably, supplementary stop gear is including installing the piece, and is two sets of all fixedly connected with installation piece on one side of bracing piece, and install that the piece is inside all to insert and be equipped with the installation inserted bar, and is a set of one of installation inserted bar serves fixedly connected with and connects the loop bar, another group one of installation inserted bar serves fixedly connected with and connects the inserted bar, and connects inside the inserted bar extends to connecting the loop bar, set up the notch of mutually supporting on the connecting the loop bar, and fixedly connected with thread bush on one side of connecting the loop bar, there is the threaded rod through threaded connection on the thread bush, and the one end of threaded rod extend to connecting the loop bar inside and with be connected the tight butt of inserted bar.

Preferably, the inner wall of the mounting block is glued with an anti-slip ring, and the anti-slip ring is made of rubber.

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

1. this axial fan's damping device is provided with fixed plate and bracing piece, increases a fixed stay point to motor main part tail end through two sets of bracing pieces to make the whole independent cantilever beam structure that no longer of device, help improving the whole rigidity of device, make it more stable, make the holistic vibration range of device descend simultaneously, increased the stability of device, and fixed plate and bracing piece simple structure, easily subsequent manufacturing has increased the practicality of device.

2. This axial fan's damping device is provided with and connects the loop bar and connects the inserted bar, accessible connects the loop bar and connects the inserted bar to carrying out the auxiliary stay between two sets of connection inserted bars after the bracing piece installation is accomplished to connect the loop bar and connect the distance between the inserted bar and adjust, can adjust according to the reality during feasible installation, make the device more nimble, also make the device more stable, further increased the stability of device.

Drawings

FIG. 1 is a schematic diagram of a back-side top perspective view of the present invention;

FIG. 2 is a right side view of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic left side view of the three-dimensional structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 6 is a schematic perspective view of the auxiliary limiting mechanism in fig. 2 according to the present invention.

In the figure: 111. a motor main body; 112. the net cover is connected with the flange; 113. a fixing frame; 114. a wind impeller; 115. a protective mesh enclosure; 116. a motor connecting flange; 211. a fixed block; 212. a fixing plate; 213. a first bolt; 214. a support bar; 215. the net cover fastens the mounting rod; 216. a second bolt; 217. a nut; 311. a gasket; 312. hoisting a ring; 313. mounting grooves; 4. an auxiliary limiting mechanism; 411. mounting blocks; 412. installing an inserted link; 413. connecting the loop bar; 414. connecting the inserted link; 415. a threaded sleeve; 416. a threaded rod.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a damping device of an axial flow fan comprises a motor main body 111, wherein a motor connecting flange 116 is fixedly installed on one side of the motor main body 111, one side of the motor connecting flange 116 is fixedly installed on a fixed frame 113, a mesh enclosure connecting flange 112 is fixedly installed on the other side of the fixed frame 113, a protective mesh enclosure 115 is fixedly installed on the mesh enclosure connecting flange 112, and a fan blade wheel 114 is fixedly installed on one side of the outer portion of the motor main body 111;

the damping mechanism comprises a fixed block 211, the fixed block 211 is fixedly connected on both sides of the motor main body 111, two groups of fixed plates 212 are arranged on one side of the fixed block 211, first bolts 213 are connected on the two groups of fixed plates 212 through threads, one ends of the first bolts 213 penetrate through the two groups of fixed plates 212 and extend into the fixed block 211 to be in threaded connection with the fixed block 211, support rods 214 are fixedly connected on both ends of the two groups of fixed plates 212, two groups of mesh enclosure fastening and mounting rods 215 are welded on the outer portions of both sides of one end of a mesh enclosure connecting flange 112 respectively, one sides of the two groups of mesh enclosure fastening and mounting rods 215 on the lower side extend to one sides of the two groups of support rods 214 respectively, second bolts 216 are inserted on the two groups of support rods 214, the other sides of the second bolts 216 penetrate through the support rods 214 and the mesh enclosure fastening and mounting rods 215 respectively, and nuts 217 are connected on one sides of the outer portions of the two groups of second bolts 216 through threads, the adoption of such a design facilitates the auxiliary support of the end of the motor main body 111 by the support rod 214, thereby making it more stable;

an auxiliary limit mechanism 4 is provided on one side of the support rod 214.

The gasket 311 is sleeved outside the second bolt 216 on one side of the two sets of support rods 214 and the mesh enclosure fastening and mounting rod 215, one end of the gasket 311 is tightly attached to the two sets of second bolts 216 and the nut 217, and the design is adopted to facilitate the second bolts 216 and the nut 217 to be more stable when the support rods 214 and the mesh enclosure fastening and mounting rod 215 are locked.

The two sides of one end of each of the two fixing plates 212 and the two support rods 214 are arc-shaped, so that the two ends are more smooth, and the problem that the edges scratch workers during installation is solved.

Mounting grooves 313 are formed in two sides of the inside of the fixing frame 113, a hoisting ring 312 is welded to one end of the first bolt 213, the whole device is hoisted by adopting the design, the mounting grooves 313 are formed in two sides of the inside of the fixing frame 113, and the mounting grooves 313 are mounted and fixed by adopting the design.

The auxiliary limiting mechanism 4 comprises a mounting block 411, one side of each of the two sets of supporting rods 214 is fixedly connected with the mounting block 411, and the mounting blocks 411 are all inserted with mounting insertion rods 412, one end of one set of mounting insertion rods 412 is fixedly connected with a connecting loop rod 413, one end of the other set of mounting insertion rods 412 is fixedly connected with a connecting insertion rod 414, the connecting rod 414 extends into the connecting rod 413, the connecting rod 413 is provided with notches matching with each other, and one side of the connecting sleeve rod 413 is fixedly connected with a threaded sleeve 415, the threaded sleeve 415 is connected with a threaded rod 416 through threads, and one end of the threaded rod 416 extends into the connecting sleeve rod 413 and is tightly abutted against the connecting inserted rod 414, so that the supporting rods 214 on both sides are supported by the connecting sleeve rod 413 and the connecting inserted rod 414, and the distance between the mounting inserted rods 412 on the two sides can be adjusted according to actual conditions, so that the device is more flexible and changeable.

All glue has the antiskid circle on the installation piece 411 inner wall, and the material of antiskid circle is rubber, adopts this kind of design to be convenient for make installation inserted bar 412 insert more stable when establishing inside the installation piece 411, and difficult emergence drops.

The working principle is as follows: when the device is carrying out the during operation, because the one end of bracing piece 214 and fixed plate 212 are connected and fixed connection are on motor main part 111, the other end and the screen panel fastening installation pole 215 of fixed plate 212 are connected, and the other end fixed connection of screen panel fastening installation pole 215 is on screen panel flange 112, because fixed frame 113 needs to carry out fixed mounting when using, thereby make screen panel flange 112 also fix, thereby make motor main part 111's tip can be carried out the auxiliary stay by bracing piece 214, thereby reach stable effect.

When need carry out the auxiliary stay to two sets of bracing pieces 214, at first anticlockwise rotation threaded rod 416, make threaded rod 416 remove with the butt of being connected inserted bar 414, thereby can be to the distance adjustment between two sets of installation inserted bar 412, arrange two sets of installation inserted bar 412 in one side of two sets of installation pieces 411 respectively afterwards, and insert installation inserted bar 412 and establish inside installation piece 411, can make inside anti-skidding circle and installation inserted bar 412 carry out the butt when inserting and establishing inside installation piece 411, thereby carry on spacingly to installation inserted bar 412, at reverse rotation threaded rod 416 afterwards, make threaded rod 416 resume the butt of being connected inserted bar 414, thereby carry out the auxiliary stay to two sets of bracing pieces 214.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an axial fan's damping device which characterized in that includes:

the wind power generation device comprises a motor main body (111), wherein a motor connecting flange (116) is fixedly mounted on one side of the motor main body (111), one side of the motor connecting flange (116) is fixedly mounted on a fixed frame (113), a mesh enclosure connecting flange (112) is fixedly mounted on the other side of the fixed frame (113), a protection mesh enclosure (115) is fixedly mounted on the mesh enclosure connecting flange (112), and a wind impeller (114) is fixedly mounted on one side of the outer portion of the motor main body (111);

damping machanism, damping machanism includes fixed block (211), all fixedly connected with fixed block (211) on the both sides of motor main part (111), and is provided with two sets of fixed plate (212) on one side of fixed block (211), two sets of there are first bolt (213) on fixed plate (212) through threaded connection, and the one end of first bolt (213) runs through two sets of fixed plate (212) and extends to fixed block (211) inside and fixed block (211) threaded connection, two sets of all fixedly connected with bracing piece (214) on the both ends of fixed plate (212), it has two sets of screen panel fastening installation pole (215) to weld respectively on the outside of the one end both sides of screen panel flange (112), and the downside is two sets of one side of screen panel fastening installation pole (215) extends to one side of two sets of bracing piece (214) respectively, and two sets of all insert on bracing piece (214) and be equipped with second bolt (216), the other side of each second bolt (216) penetrates through the support rod (214) and the net cover fastening and mounting rod (215) respectively, and nuts (217) are connected to one side of the outer portions of the two groups of second bolts (216) through threads; an auxiliary limiting mechanism (4) is arranged on one side of the supporting rod (214).

2. The axial fan damping device according to claim 1, wherein: two sets of bracing piece (214) and screen panel fastening installation pole (215) one side second bolt (216) outside all is equipped with gasket (311), and the one end of gasket (311) tightly laminates with two sets of second bolt (216) and nut (217) respectively.

3. The axial fan damping device according to claim 2, wherein: two sides of one end of each of the two fixing plates (212) and the two support rods (214) are arc-shaped.

4. The axial fan damping device according to claim 2, wherein: mounting grooves (313) are formed in two sides of the inside of the fixing frame (113), and a hoisting ring (312) is welded at one end of the first bolt (213).

5. The axial fan damping device according to claim 2, wherein: supplementary stop gear (4) are including installation piece (411), two sets of all fixedly connected with installation piece (411) is gone up to one side of bracing piece (214), and installation piece (411) are inside all to be inserted and are equipped with installation inserted bar (412), and is a set of one of installation inserted bar (412) serves fixedly connected with connecting loop bar (413), another group one of installation inserted bar (412) serves fixedly connected with and connects inserted bar (414), and connects inserted bar (414) and extend to inside connecting loop bar (413), set up the notch of mutually supporting on connecting loop bar (413), and fixedly connected with thread bush (415) on one side of connecting loop bar (413), there is threaded rod (416) through threaded connection on thread bush (415), and the one end of threaded rod (416) extends to inside connecting loop bar (413) and with connecting loop bar (414) tight butt.

6. The axial fan damping device according to claim 5, wherein: the inner wall of the mounting block (411) is glued with anti-slip rings made of rubber.