CN109175600A

CN109175600A - A kind of electroplating equipment wielding machine of perfect heat-dissipating

Info

Publication number: CN109175600A
Application number: CN201811171394.1A
Authority: CN
Inventors: 杨静; 刘兆; 刘兵
Original assignee: Individual
Current assignee: Liu Zhao
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2019-01-11
Anticipated expiration: 2038-10-10
Also published as: CN109175600B

Abstract

The invention discloses a kind of electroplating equipment wielding machines of perfect heat-dissipating, including shell, handle and dustproof cover are provided with above the shell, there are two handle settings, and dustproof cover is between handle, the both ends of the shell are provided with air inlet through-hole, the both ends of the inner walls are mounted on filter plate fixed frame, outer screen and interior survey strainer are installed on the filter plate fixed frame, bladeless fan fixing clamp is provided with above the filter plate fixed frame, the inside of the shell is equipped with bladeless fan, driven fan shaft fixed frame is provided with above the bladeless fan, driven fan shaft is installed on the driven fan shaft fixed frame, driven fan locking sliding block is set on the driven fan shaft, driven fan is installed on the driven fan shaft.The present invention is the radiating efficiency for improving device, while also having had both dust-proof effect, effectively extends the service life of device.

Description

A kind of electroplating equipment wielding machine of perfect heat-dissipating

Technical field

The present invention relates to electroplating equipment wielding machine engineering device technique field, specially a kind of electroplating equipment wielding machine for having both heat dissipation and anti-gray.

Background technique

Welding equipment refers to equipment required for realizing welding procedure.Welding equipment include welding machine, welding procedure equipment and Weld auxiliary implement.The main Types of welding equipment have electric welding machine, flame soldering equipment and other welding equipments.It is wherein mainly electric Welding machine.Electric welding machine is the high-temperature electric arc that is generated using positive and negative polarities in instantaneous short circuit come the solder on consumable electrode and is welded Material makes the purpose combined by contactant.Its structure very simple is exactly a powerful transformer.

Electric welding machine has using electric energy, and electric energy moment is converted to thermal energy, has compact, easy to operate, uses It is convenient, a variety of benefits such as fast speed, but there are also drawbacks for electric welding machine, for example electric welding machine is due to utilizing positive and negative polarities in moment The high-voltage arc generated when short-circuit carrys out the solder on consumable electrode, so internal temperature will be very high, is always maintained at higher Temperature can shorten the service life of electric welding machine, but traditional bladeless fan heat dissipation effect is poor, it is desirable to which good heat dissipation effect just much reserves heat dissipation Hole, but absorption dust is easy inside this sampling device again, it is low to also result in radiating efficiency, and lead to poor contact.

Summary of the invention

The purpose of the present invention is to provide a kind of electroplating equipment wielding machines of perfect heat-dissipating, to solve to propose in above-mentioned background technique Traditional bladeless fan heat dissipation effect it is poor, mostly reserved heat release holes are easy the problem of adsorbing dust again.

To achieve the above object, the invention provides the following technical scheme: a kind of electroplating equipment wielding machine of perfect heat-dissipating, including shell Body is provided with handle and dustproof cover above the shell, and there are two handle settings, and dustproof cover is between handle, described The both ends of shell are provided with air inlet through-hole, and air inlet through-hole is symmetrical about the vertical center line of shell, the inner walls Both ends be mounted on filter plate fixed frame, and between filter plate fixed frame about air inlet through-hole horizontal center line it is symmetrical, it is described Strainer groove is provided on filter plate fixed frame, there are two the settings of strainer groove, and is sequentially distributed between strainer groove, the filter plate Outer screen and interior survey strainer be installed, and outer screen is located at the interior side for surveying strainer on fixed frame, the outer screen and The interior both ends for surveying strainer all extend to the inside of strainer groove, and it is solid that no leaf radiator fan is provided with above the filter plate fixed frame Clamp, the inside of the shell is equipped with no leaf radiator fan, and the both ends without leaf radiator fan all extend to no leaf radiation air The inside of fixing clamp is fanned, is provided with driven fan shaft fixed frame above the no leaf radiator fan, driven fan shaft is fixed There are two frame settings, and driven fan shaft fixed frame is connect with case weld, is installed on the driven fan shaft fixed frame There is driven fan shaft, driven fan locking sliding block, driven fan locking sliding block setting are set on the driven fan shaft There are two, driven fan is installed on the driven fan shaft, there are two driven fan settings, and between driven fan about The horizontal center line of driven fan shaft is symmetrical, and the driven fan includes flabellum, flabellum lantern ring and flabellum lantern ring fixing groove, The driven fan locking sliding block is located at the inside of flabellum lantern ring fixing groove, and between driven fan locking sliding block and flabellum lantern ring It being slidably connected, is provided with circuit board above the no leaf radiator fan fixing clamp, the side of the circuit board is equipped with coil, There are two coils, and the vertical center line between coil about driven fan shaft is symmetrical, and the side of the shell is equipped with The anti-lost seat of dustproof cover, and be fixedly connected between the anti-lost seat of dustproof cover and shell by screw.

Preferably, the vertical center line between the handle about shell is symmetrical, and passes through spiral shell between handle and shell Nail is fixedly connected.

Preferably, there are four the filter plate fixed mount settings, and connect between filter plate fixed frame and shell by the way that screw is fixed It connects.

Preferably, the flabellum is provided with eight, and flabellum is located at the outside of flabellum lantern ring, the flabellum lantern ring fixing groove Positioned at the inside of flabellum lantern ring.

Preferably, the top of the shell is provided with shell top thermal vias, and the lower end of dustproof cover extends to the heat dissipation of shell top The inside of through-hole.

Preferably, the both ends of the anti-lost seat of the dustproof cover are provided with the anti-lost seat convex block of dustproof cover, and the anti-lost seat of dustproof cover Convex block is symmetrical about the vertical center line of the anti-lost seat of dustproof cover.

Preferably, the both ends of the dustproof cover are provided with dustproof cover lock tab, and the one of the dustproof cover lock tab Side is provided with dustproof cover groove.

Preferably, the no leaf radiator fan include blower housing, dust-proof filter plate, glassfibre filters, active carbon pedestal, Impeller and round wind outlet, the glassfibre filters are located at the top of active carbon pedestal, and the upper end of active carbon pedestal extends To the inside of glassfibre filters.

Preferably, the impeller is located at the top of glassfibre filters, active carbon pedestal, and the blower housing is located at glass The outside of fabric screen and active carbon pedestal and impeller, and dust-proof filter plate is mounted on blower housing, the round wind outlet position In the top of blower housing, dust-proof filter plate, glassfibre filters, active carbon pedestal and impeller.

Preferably, the upper and lower ends of the driven fan shaft connect with keyway at the U-type groove of driven fan shaft fixed frame It connects, and the vertical center line of driven fan shaft and the vertical center line of shell coincide.

Compared with prior art, the beneficial effects of the present invention are:

1, the electroplating equipment wielding machine of the perfect heat-dissipating radiates to the electric elements in device without leaf radiator fan by being arranged. No leaf radiator fan has used newest fluid dynamic engineering technology, and the motor each second in pedestal inhales 33 liters of air The inside for entering blower housing, after acceleration, air passage rates maximum is increased 16 times or so, via in round wind outlet annular Lip ring around, circular power drives the air near fan head to enter round wind outlet therewith, and at a high speed blowout outward, it when Scooter is to 35 kilometers.The air flowing of air duplicator is more more stable than the wind that conventional fan generates, and greatly improves drop Temp effect can generate strong cool air.For more traditional electric fan, it reduces the energy consumption of one third, more because It has abandoned the blade part of traditional electric fan, has innovated the leather type of fan, and fan is made to become safer, more energy efficient, more environmentally friendly. The glassfibre filters and active carbon pedestal of its bottom may filter that and adsorb the harmful substance generated when welding, make in device more Cleaning, without worrying solve tradition because of the problem of dust excessively influences radiating efficiency and the poor contact of device in device again The problem of bladeless fan heat dissipation effect difference.

2, the electroplating equipment wielding machine of the perfect heat-dissipating by setting outer screen and it is interior survey strainer to enter equipment air into Enter filtering, interior survey strainer is smaller closeer than the mesh of outer screen, and the dust of bulky grain is all filtered on the outside of outer side screen, small The dust of particle is again by interior survey strainer filtering, strainer simple process, good permeability, and uniform precision is stable, easy for installation, efficiency High, long service life, and reuse can be cleaned, it is greatly reduced by the setting of double filter screen into the ash in device Dirt improves the anti-dust performance of device, solves the problems, such as that more reserved heat release holes are easy absorption dust again.

Detailed description of the invention

Fig. 1 is a kind of perspective view of the electroplating equipment wielding machine of perfect heat-dissipating of the invention；

Fig. 2 is a kind of whole side view of the electroplating equipment wielding machine of perfect heat-dissipating of the invention；

Fig. 3 is the area A partial enlarged view of the invention；

The structural schematic diagram of the position Fig. 4 no leaf radiator fan of the invention；

The installation diagram of the position Fig. 5 dustproof cover of the invention and the anti-lost seat of dustproof cover；

The annexation figure of the position Fig. 6 driven fan shaft of the invention and driven fan.

In figure: 1, shell；2, handle；3, dustproof cover；4, outer screen；5, without leaf radiator fan fixing clamp；6, it is dissipated without leaf Hot-air fan；61, blower housing；62, dust-proof filter plate；63, glassfibre filters；64, active carbon pedestal；65, impeller；66, annular Air outlet；7, driven fan shaft fixed frame；8, driven fan shaft；9, driven fan；91, flabellum；92, flabellum lantern ring；93, Flabellum lantern ring fixing groove；10, circuit board；11, coil；12, shell top thermal vias；13, the anti-lost seat of dustproof cover；14, dustproof cover is anti- Lose a convex block；15, dustproof cover lock tab；16, dustproof cover groove；17, through-hole is entered the wind；18, filter plate fixed frame；19, strainer is recessed Slot；20, interior survey strainer；21, driven fan locking sliding block.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

Fig. 1-6 is please referred to, a kind of embodiment provided by the invention: a kind of electroplating equipment wielding machine of perfect heat-dissipating, including shell 1, the top of shell 1 is provided with handle 2 and dustproof cover 3, and there are two the settings of handle 2, and dustproof cover 3 is between handle 2, handle 2 setting makes the movement of device become more convenient, and dustproof cover 3 is used to prevent dust logical from the heat dissipation of shell top when not using device Hole 12 enters device, and the both ends of shell 1 are provided with air inlet through-hole 17, and enter the wind vertical center line of the through-hole 17 about shell 1 Symmetrical, air inlet through-hole 17 is for divulging information, and convenient for the circulation of air, the both ends of 1 inner wall of shell are mounted on filter plate fixed frame 18, And the horizontal center line between filter plate fixed frame 18 about air inlet through-hole 17 is symmetrical, filter plate fixed frame 18 is for fixed outside filter Net 4 and interior survey strainer 20 are provided with strainer groove 19 on filter plate fixed frame 18, and there are two the settings of strainer groove 19, and strainer is recessed It is sequentially distributed between slot 19, strainer groove 19 is to keep for fixed outer screen 4 and the interior fixing groove for surveying strainer 20, and filter plate is fixed Outer screen 4 and interior survey strainer 20 are installed, and outer screen 4 is located at the interior side for surveying strainer 20,4 He of outer screen on frame 18 The interior both ends for surveying strainer 20 all extend to the inside of strainer groove 19, and outer screen 4 is used to filter the dust of larger particles, interior survey Strainer 20 is used to filter the dust of smaller particle, prevents dust from entering device, and the top of filter plate fixed frame 18 is provided with no leaf and dissipates Hot-air fan fixing clamp 5, no leaf radiator fan fixing clamp 5 be used for no leaf radiator fan 6 provide fix and support, shell 1 it is interior Portion is equipped with no leaf radiator fan 6, and the both ends without leaf radiator fan 6 all extend to the inside of no leaf radiator fan fixing clamp 5, No leaf radiator fan 6 can produce salubrious powerful wind, by air capacity can increase to 15 times, the effective inside to device into Enter cooling, is provided with driven fan shaft fixed frame 7 above no leaf radiator fan 6, driven fan shaft fixed frame 7 is provided with two It is a, and driven fan shaft fixed frame 7 and shell 1 are welded to connect, driven fan shaft fixed frame 7 turns for fixing driven fan Axis 8 is equipped with driven fan shaft 8 on driven fan shaft fixed frame 7, and driven fan shaft 8 is for giving driven fan 9 to provide The center of support and rotation is set with driven fan locking sliding block 21 on driven fan shaft 8, and driven fan locking sliding block 21 is set There are two setting, driven fan locking sliding block 21 is used for the effect to the starting limit of driven fan 9, installs on driven fan shaft 8 There is driven fan 9, there are two the driven settings of fan 9, and the horizontal center line between driven fan 9 about driven fan shaft 8 Symmetrical, driven fan 9 is blown by the powerful wind-force that no leaf radiator fan 6 generates, to rotate, increases device Interior air quantity, improves the cooling effect to electrical equipment, and driven fan 9 includes flabellum 91, flabellum lantern ring 92 and flabellum lantern ring Fixing groove 93, driven fan locking sliding block 21 are located at the inside of flabellum lantern ring fixing groove 93, and driven fan locking sliding block 21 with It is slidably connected between flabellum lantern ring 92, is that driven fan 9 can be in the outside of driven fan locking sliding block 21 by being slidably connected Rotation, to generate wind, the top of no leaf radiator fan fixing clamp 5 is provided with circuit board 10, and the side of circuit board 10 is equipped with Coil 11, there are two coils 11, and the vertical center line between coil 11 about driven fan shaft 8 is symmetrical, and the one of shell 1 Side is equipped with the anti-lost seat 13 of dustproof cover, and is fixedly connected between the anti-lost seat 13 of dustproof cover and shell 1 by screw, and dustproof cover is anti-lost Seat 13 prevents its loss for dustproof cover 3 fixed when dustproof cover 3 unloads.

Further, the vertical center line between handle 2 about shell 1 is symmetrical, and passes through spiral shell between handle 2 and shell 1 Nail is fixedly connected, and the symmetrical of handle 2 makes being more uniformly stressed when mobile device.

Further, there are four the settings of filter plate fixed frame 18, and connect between filter plate fixed frame 18 and shell 1 by the way that screw is fixed It connects, just the installing and dismounting between filter plate fixed frame 18 and shell 1, reduction installation strength also reduce erector's technology for screw connection Content.

Further, flabellum 91 is provided with eight, and flabellum 91 is located at the outside of flabellum lantern ring 92, flabellum lantern ring fixing groove 93 Driven fan 9 is promoted to realize rotation by the wind-engaging of flabellum 91 positioned at the inside of flabellum lantern ring 92.

Further, the top of shell 1 is provided with shell top thermal vias 12, and the lower end of dustproof cover 3 extends to the heat dissipation of shell top The inside of through-hole 12, shell top thermal vias 12 are used to that the hot-air blown out without leaf radiator fan 6 to be discharged.

Further, the both ends of the anti-lost seat 13 of dustproof cover are provided with the anti-lost seat convex block 14 of dustproof cover, and the anti-lost seat of dustproof cover Convex block 14 is symmetrical about the vertical center line of the anti-lost seat 13 of dustproof cover, the anti-lost seat convex block 14 of dustproof cover it is symmetrical and dust-proof It is mutually echoed between lid groove 16, starts the effect of locking.

Further, the both ends of dustproof cover 3 are provided with dustproof cover lock tab 15, and the side of dustproof cover lock tab 15 is set It is equipped with dustproof cover groove 16, locking is played the role of to the placement of dustproof cover 3 by the setting of dustproof cover lock tab 15.

Further, no leaf radiator fan 6 includes blower housing 61, dust-proof filter plate 62, glassfibre filters 63, active carbon bottom Seat 64, impeller 65 and round wind outlet 66, glassfibre filters 63 are located at the top of active carbon pedestal 64, and active carbon pedestal 64 Upper end extend to the inside of glassfibre filters 63, the rotation of no leaf radiator fan 6 can be realized by the setting of each component Heat dissipation.

Further, impeller 65 is located at the top of glassfibre filters 63 and active carbon pedestal 64, and blower housing 61 is located at glass The outside of glass fabric screen 63, active carbon pedestal 64 and impeller 65, and dust-proof filter plate 62 is mounted on blower housing 61, annular goes out Air port 66 is located at the top of blower housing 61, dust-proof filter plate 62, glassfibre filters 63, active carbon pedestal 64 and impeller 65, glass Glass fabric screen 63 is for filtering the dust entered from dust-proof filter plate 62, when active carbon pedestal 64 in adsorbent equipment for welding The flue dust of generation.

Further, the upper and lower ends of driven fan shaft 8 are connect with keyway at the U-type groove of driven fan shaft fixed frame 7, And the vertical center line of the vertical center line and shell 1 of driven fan shaft 8 coincides, and is existed by the setting of driven fan shaft 8 The middle of shell 1 makes the center line of driven fan 9 also be located at the middle of shell 1, can be equal by the rotation of driven fan 9 Even enters heat dissipation to device.

Working principle: in use, when starting welding using electric welding machine, while dustproof cover 3 is unloaded, dustproof cover 3 Dustproof cover groove 16 is directed at the anti-lost seat convex block 14 of dustproof cover on the anti-lost seat 13 of dustproof cover, and sliding is packed into dustproof cover 3, just realizes The handling of dustproof cover 3 are fixed, and open no leaf radiator fan 6 at this time, and the impeller 65 inside no leaf radiator fan 6 rapidly rotates, and are led to It crosses air permeable blower housing 61 and filters out dust in device by glassfibre filters 63, outside wind to active carbon pedestal 64 Side, the harmful substances such as formaldehyde in air are absorbed by active carbon pedestal 64, and annular air outlet is arranged at the top of no leaf radiator fan 6 in wind Mouth 66 is blown out, the newest fluid dynamic engineering technology used, increases air-flow by 15 times by motor, can be generated strong nice and cool Air greatly improves the cooling effect in device, and by no leaf radiator fan 6 ceaselessly draw air, air is just from air inlet Through-hole 17 is inhaled into, and by outer screen 4 and the interior filtering for surveying strainer 20, has filtered out the dust in air, it is therefore prevented that dust Into inside device, phenomena such as causing to adsorb dust on electric elements, influence heat dissipation effect and poor contact, no leaf radiator fan It is blown on the wind direction of 6 blowouts, powerful wind quickly cools down to circuit board 10 and coil 11, and wind is at driven fan 9 When, due to biggish wind-force, thrust of the flabellum 91 of driven fan 9 by wind is started turning along dynamic fan locking sliding block 21, By the rotation of driven fan 9, air quantity is increased, more promotes the heat dissipation of electric elements, last wind is with the heat dispelled It is flowed out from shell top thermal vias 12.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims

1. a kind of electroplating equipment wielding machine of perfect heat-dissipating, including shell (1), it is characterised in that: be provided with above the shell (1) Handle (2) and dustproof cover (3), there are two handle (2) settings, and dustproof cover (3) is located between handle (2), the shell (1) Both ends are provided with air inlet through-hole (17), and air inlet through-hole (17) is symmetrical about the vertical center line of shell (1), the shell (1) both ends of inner wall are mounted on filter plate fixed frame (18), and the water between filter plate fixed frame (18) about air inlet through-hole (17) Flat center line is symmetrical, is provided with strainer groove (19) on the filter plate fixed frame (18), and there are two strainer groove (19) settings, And be sequentially distributed between strainer groove (19), outer screen (4) and interior survey strainer are installed on the filter plate fixed frame (18) (20), and outer screen (4) is located at the interior side for surveying strainer (20), the outer screen (4) and the interior both ends for surveying strainer (20) The inside of strainer groove (19) is all extended to, is provided with no leaf radiator fan fixing clamp above the filter plate fixed frame (18) (5), the inside of the shell (1) is equipped with no leaf radiator fan (6), and the both ends without leaf radiator fan (6) all extend to nothing The inside of leaf radiator fan fixing clamp (5), no leaf radiator fan (6) top are provided with driven fan shaft fixed frame (7), There are two driven fan shaft fixed frame (7) settings, and driven fan shaft fixed frame (7) and shell (1) are welded to connect, described It is equipped with driven fan shaft (8), is set on the driven fan shaft (8) driven on driven fan shaft fixed frame (7) Fan locking sliding block (21), there are two the settings of driven fan locking sliding block (21), be equipped on the driven fan shaft (8) from Dynamic fan (9), there are two driven fan (9) settings, and in the level between driven fan (9) about driven fan shaft (8) Heart line is symmetrical, and the driven fan (9) includes flabellum (91), flabellum lantern ring (92) and flabellum lantern ring fixing groove (93), described Driven fan locking sliding block (21) is located at the inside of flabellum lantern ring fixing groove (93), and driven fan locking sliding block (21) and flabellum Lantern ring is slidably connected between (92), is provided with circuit board (10), the circuit above the no leaf radiator fan fixing clamp (5) The side of plate (10) is equipped with coil (11), and there are two coils (11), and about driven fan shaft (8) between coil (11) Vertical center line is symmetrical, and the side of the shell (1) is equipped with the anti-lost seat of dustproof cover (13), and the anti-lost seat of dustproof cover (13) with Shell is fixedly connected between (1) by screw.

2. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: between the handle (2) Vertical center line about shell (1) is symmetrical, and is fixedly connected between handle (2) and shell (1) by screw.

3. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the filter plate fixed frame (18) it there are four setting, and is fixedly connected between filter plate fixed frame (18) and shell (1) by screw.

4. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: flabellum (91) setting There are eight, and flabellum (91) is located at the outside of flabellum lantern ring (92), the flabellum lantern ring fixing groove (93) is located at flabellum lantern ring (92) inside.

5. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the top of the shell (1) End is provided with shell top thermal vias (12), and the lower end of dustproof cover (3) extends to the inside of shell top thermal vias (12).

6. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the anti-lost seat of dustproof cover (13) both ends are provided with the anti-lost seat convex block (14) of dustproof cover, and the anti-lost seat convex block (14) of dustproof cover is about the anti-lost seat of dustproof cover (13) vertical center line is symmetrical.

7. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the dustproof cover (3) Both ends are provided with dustproof cover lock tab (15), and the side of the dustproof cover lock tab (15) is provided with dustproof cover groove (16).

8. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the no leaf radiator fan It (6) include blower housing (61), dust-proof filter plate (62), glassfibre filters (63), active carbon pedestal (64), impeller (65) and ring Shape air outlet (66), the glassfibre filters (63) are located at the top of active carbon pedestal (64), and active carbon pedestal (64) Upper end extends to the inside of glassfibre filters (63).

9. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 8, it is characterised in that: the impeller (65) is located at The top of glassfibre filters (63) and active carbon pedestal (64), the blower housing (61) be located at glassfibre filters (63), The outside of active carbon pedestal (64) and impeller (65), and dust-proof filter plate (62) is mounted on blower housing (61), the annular goes out Air port (66) is located at blower housing (61), dust-proof filter plate (62), glassfibre filters (63), active carbon pedestal (64) and impeller (65) top.

10. a kind of electroplating equipment wielding machine of perfect heat-dissipating according to claim 1, it is characterised in that: the driven fan turns The upper and lower ends of axis (8) are connect with keyway at the U-type groove of driven fan shaft fixed frame (7), and driven fan shaft (8) is vertical The vertical center line of straight center line and shell (1) coincides.