CN112045416A - A centrifugal fan placer that is used for quick installation on assembly line frame - Google Patents

Abstract

The invention discloses a centrifugal fan placing device used for being quickly installed on a production line rack, and relates to the technical field of centrifugal fan assembly. This a centrifugal fan placer for quick installation on assembly line frame, the on-line screen storage device comprises a base, be provided with first elevating system, second elevating system, drive mechanism, spacing fixture on the base, the top surface welded mounting of base has the mounting bracket, and the both sides setting of mounting bracket all is provided with a set of mount and a set of frame that bears, and the mount is located directly over bearing the frame. This a centrifugal fan placer for quick installation on assembly line frame can send centrifugal fan's rotor part and driver part into the casing inside simultaneously and assemble, promotes the efficiency of whole equipment, improves to the snail shape of fan casing, satisfies different fans required angle position requirement in actual equipment process, need not carry out loaded down with trivial details fastening operation, and then has promoted production efficiency.

Description

A centrifugal fan placer that is used for quick installation on assembly line frame

Technical Field

The invention relates to the technical field of centrifugal fan assembly, in particular to a centrifugal fan placing device which is used for being quickly installed on a production line rack.

Background

The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust 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 centrifugal fan is formed by assembling and mounting a shell, a rotor, a driving part and the like, the centrifugal fan can be placed on a production line to be assembled to improve the production efficiency, but the rotor and the driving part of the centrifugal fan need to be lifted and placed in the hollow part of the shell during assembly, the rotor and the driving part are heavy, the labor intensity of operators is increased, the parts are easy to damage due to falling in the lifting process, the actual assembly process is complex and difficult, most auxiliary placing devices for assembling and mounting the centrifugal fan production line on the market have the problem of difficult adjustment, the assembly requirements of fan parts with different specifications are difficult to meet, the volute shape of the shell of the centrifugal fan is not considered, the centrifugal fan is inconvenient to fix, the actual use experience effect is poor, and the centrifugal fan is not suitable for popularization and use.

Disclosure of Invention

The invention aims to provide a centrifugal fan placing device for quick installation on a assembly line frame, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a centrifugal fan placer for quick installation on assembly line frame, includes the base, be provided with first elevating system, second elevating system, drive mechanism, spacing fixture on the base, the top surface welding of base installs the mounting bracket, and the both sides setting of mounting bracket all is provided with a set of mount and a set of frame that bears, and the mount is located directly over bearing the frame, is located the top surface welding installation of a set of mount and base of mounting bracket one side.

Preferably, the top surface welding of base installs the slide rail, and the top surface welding who is located a set of mount of mounting bracket opposite side installs the slide, and slide slidable mounting has seted up the spout in the slide rail with mount slidable mounting, a set of bearing that is located mounting bracket one side has the push plate, and slidable mounting has the handle in the spout, and the top surface of a set of outer wall that bears the frame that is located the mounting bracket opposite side and push plate all welded mounting.

Preferably, the first lifting mechanism comprises an inner support rod, an outer support rod, a stability maintaining rod, a placing rod, a first bidirectional threaded rod and a pushing block, two sets of inner support rods and two sets of outer support rods are arranged on the mounting frame, the inner support rods and the outer support rods are arranged in a crossed mode and are hinged to each other, the stability maintaining rod is welded to the hinged position of the inner support rods and the outer support rods, a set of placing rod is installed at one end of each of the two sets of inner support rods and one end of each of the two sets of outer support rods in a rotating mode, two sets of first bidirectional threaded rods are installed on the inner walls of the front side and the rear side of the mounting frame in a rotating mode, two sets of pushing blocks are installed on the first bidirectional threaded rods in.

Preferably, second elevating system includes interior ejector pin, outer ejector pin, the slide bar, the slider, slurcam and threaded rod, the mount articulates on bearing the rear side inner wall of frame respectively and installs two sets of interior ejector pins and outer ejector pin, interior ejector pin and outer ejector pin cross arrangement just articulate mutually, welded mounting has two sets of slide bars on the mount and the front and back side inner wall of bearing the frame, sliding sleeve is equipped with the slider on the slide bar, the one end of interior ejector pin is articulated mutually with the top surface of bearing the interior slider of frame, the one end of outer ejector pin is articulated mutually with the top surface of slider in the mount, welded mounting has the slurcam on the outer wall of two sets of sliders on the mount, the front side inner wall of mount rotates installs the threaded rod, slurcam and.

Preferably, drive mechanism includes drive gear and chain, and the front side outer surface of mounting bracket rotates and installs first crank, and welded mounting has a set of drive gear on the first crank, and the one end of two sets of first bidirectional threaded rod all extends to the outside of mounting bracket and welded mounting has a set of drive gear, and the cover is established and is installed the chain on three sets of drive gear, and three sets of drive gear pass through chain drive and connect, and the one end of threaded rod extends to the outside of mount and welded mounting has the second crank.

Preferably, the limiting and clamping mechanism comprises an auxiliary box, a limiting rod, a fixed plate, arc-shaped clamping plates, a reset spring, a second bidirectional threaded rod, a limiting baffle and an adjusting rod, the auxiliary box is welded and installed on the outer surface of the top of a group of bearing frames positioned on the other side of the mounting frame, two groups of limiting rods are welded and installed on the inner walls of the front side and the rear side of the auxiliary box, two groups of fixed plates are slidably sleeved on the limiting rods, the arc-shaped clamping plates are welded and installed on the outer wall of one side of the fixed plate, the two groups of arc-shaped clamping plates are symmetrically distributed, the reset spring is sleeved on the limiting rods and positioned between the two groups of fixed plates, the two ends of the reset spring are respectively welded and installed with the outer walls of the two groups of fixed plates, the second bidirectional threaded rod is rotatably installed on the inner, the outer wall of the fixed plate is welded with an adjusting rod.

Preferably, all seted up spacing hole on the outside surface of the front and back side of auxiliary tank, the one end of adjusting the pole passes spacing hole and extends to the outside of auxiliary tank and welded mounting has the handle, and the one end of second bidirectional threaded rod extends to the outside of auxiliary tank and welded mounting has the knob.

Preferably, it is fixed with the rubber protection pad all to paste on the outer wall of placing pole and arc grip block to receive wearing and tearing and damage at the clamp in-process to prevent the rotor, paste on one side inner wall of auxiliary tank and be fixed with the scale label, supplementary operating personnel adjusts arc grip block clamp distance.

Compared with the prior art, the invention has the beneficial effects that:

(1) the centrifugal fan placing device for fast installation on the assembly line frame adopts a three-section structural design through the matching use of the inner support rod, the outer support rod, the placing rods, the mounting frame, the fixing frame, the bearing frame and the pushing plate, can simultaneously send rotor components and driving components of the centrifugal fan into the shell for assembly, improves the efficiency of overall assembly, improves the volute shape of the fan shell, can complete fixing operation only by overlapping the shell on two groups of placing rods, can rotate the shell during overlapping to meet the required angle and direction requirements of different fans in the actual assembly process, has less interference on various operations of operators in the assembly process, and saves the time of assembly operation on an assembly line compared with a device for fixing in a clamping mode without complex fastening operation, and then promoted production efficiency, the practicality is higher, more is fit for being used for assembly line equipment operation.

(2) This a centrifugal fan placer for quick installation on assembly line frame, through the auxiliary box, the gag lever post, the fixed plate, arc grip block and reset spring's cooperation is used, can carry out inside clamp to it to the structure of centrifugal fan's rotor part cylinder, compare in the device that adopts the outside tight mode of clamp, this mode can not influence operating personnel and be connected the equipment operation to rotor and casing, can also alleviate operating personnel's work burden, do not need the manual work to move and lift and place, and then prevent that the rotor from falling the condition emergence of colliding with and producing the fault damage at this in-process, reduce unnecessary economic loss, provide the guarantee for centrifugal fan's assembly line assembly installation operation's stability.

(3) The centrifugal fan placing device for rapid installation on the assembly line frame can adjust the heights of the placing rod and the bearing frame and the distance between the two groups of arc-shaped clamping plates by matching the first bidirectional threaded rod, the pushing block, the pushing plate, the threaded rod, the transmission gear, the second bidirectional threaded rod and the limiting baffle aiming at centrifugal fan components with different specifications, ensure that each component can be stably and rapidly assembled with the shell, has wide application range, provides convenience and guarantee for actual operation, widens the use scene and range of the device, has simple and stable structure, high controllability and convenient and understandable operation, can be folded when not in use, reduces the occupied space, is suitable for being widely popularized and used, does not use any driving component as power support, and is compared with most placing devices, saves a large amount of energy, has lower manufacturing and operating cost, and is more suitable for being put into production and used.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic diagram of the right side of the mounting bracket of the present invention;

FIG. 4 is a right side view of the fixing frame of the present invention;

fig. 5 is a schematic diagram of the right side structure of the auxiliary box of the present invention.

In the figure: the device comprises a base 1, a first lifting mechanism 2, an inner supporting rod 201, an outer supporting rod 202, a 203-dimensional stabilizing rod, a placing rod 204, a first bidirectional threaded rod 205, a pushing block 206, a second lifting mechanism 3, an inner pushing rod 301, an outer pushing rod 302, a sliding rod 303, a sliding block 304, a pushing plate 305, a threaded rod 306, a transmission mechanism 4, a transmission gear 401, a chain 402, a limiting clamping mechanism 5, an auxiliary box 501, a limiting rod 502, a fixing plate 503, an arc-shaped clamping plate 504, a reset spring 505, a second bidirectional threaded rod 506, a limiting baffle 507, an adjusting rod 508, a mounting rack 6, a fixing rack 7, a bearing rack 8, a handle 9, a knob 10 and a pushing plate 11.

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. 1-5, the present invention provides a technical solution: the utility model provides a centrifugal fan placer for quick installation on assembly line frame, the on-line screen storage device comprises a base 1, be provided with first elevating system 2 on the base 1, second elevating system 3, drive mechanism 4, spacing fixture 5, base 1's top surface welding installs mounting bracket 6, the both sides setting of mounting bracket 6 all is provided with a set of mount 7 and a set of 8 that bear the frame, mount 7 is located and bears directly over 8, a set of mount 7 that is located mounting bracket 6 one side and base 1's top surface welding installation, adopt the structural design of syllogic, can send centrifugal fan's rotor part and driver part into the casing inside simultaneously and assemble, promote the efficiency of whole equipment, be fit for using widely at each equipment assembly line.

The outer surface of the top of the base 1 is welded with a slide rail, the outer surface of the top of a group of fixing frames 7 positioned on the other side of the mounting frame 6 is welded with a slide seat, the slide seat is slidably mounted in the slide rail, the base 1 and the fixing frames 7 are slidably mounted, a group of bearing frames 8 positioned on one side of the mounting frame 6 is provided with a sliding chute, a pushing plate 11 is slidably mounted in the sliding chute, handles are welded on the outer wall of the group of bearing frames 8 positioned on the other side of the mounting frame 6 and the outer surface of the top of the pushing plate 11, the first lifting mechanism 2 comprises an inner support rod 201, an outer support rod 202, a stabilizing rod 203, a placing rod 204, a first two-way threaded rod 205 and a pushing block 206, two groups of inner support rods 201 and two groups of outer support rods 202 are arranged on the mounting frame 6 in a crossed manner and hinged with each other, the stabilizing rod 203 is welded at the hinged position of the inner support, the spiral shape of the fan shell is improved, the fixing operation can be completed only by overlapping the shell on two sets of placing rods 204, the shell can also be rotated during overlapping to meet the requirement of the angle and the direction required by different fans in the actual assembly process, two sets of first bidirectional threaded rods 205 are rotatably installed on the inner walls of the front side and the rear side of the mounting frame 6, two sets of pushing blocks 206 are installed on the first bidirectional threaded rods 205 in a threaded manner, the other ends of the inner supporting rods 201 and the outer supporting rods 202 are respectively hinged with the outer surfaces of the tops of the pushing blocks 206, and the fixing mode has small interference influence on various operations of operators in the assembly process, compared with a device adopting a clamping mode for fixing, the fussy fastening operation is not needed, the time of the assembly operation on a production line is saved, the production efficiency is improved, the practicability is higher, and the second lifting mechanism 3 more suitable for the assembly line operation comprises an inner ejector rod 301, The centrifugal fan comprises an outer ejector rod 302, two groups of inner ejector rods 301 and two groups of outer ejector rods 302, sliding blocks 304, a pushing plate 305 and a threaded rod 306, wherein the inner walls of the rear sides of a fixed frame 7 and a bearing frame 8 are respectively hinged with the two groups of inner ejector rods 301 and the outer ejector rods 302, the inner ejector rods 301 and the outer ejector rods 302 are arranged in a crossed mode and are hinged with each other, the inner walls of the front sides and the rear sides of the fixed frame 7 and the bearing frame 8 are welded with the two groups of sliding rods 303, the sliding rods 303 are sleeved with the sliding blocks 304 in a sliding mode, one end of each inner ejector rod 301 is hinged with the outer surface of the top of the corresponding inner sliding block 304 of the bearing frame 8, one end of each outer ejector rod 302 is hinged with the outer surface of the top of the corresponding inner sliding block 304 of the fixed frame 7, the pushing plate 305 is welded on the outer walls of the two groups of sliding blocks 304 on the fixed, the device has the advantages that the components can be stably and quickly assembled with the shell, the application range is wide, convenience and guarantee are provided for actual operation, the use scene and the range of the device are widened, the transmission mechanism 4 comprises a transmission gear 401 and a chain 402, a first crank is rotatably installed on the outer surface of the front side of the installation rack 6, a group of transmission gear 401 is welded on the first crank, one ends of two groups of first bidirectional threaded rods 205 extend to the outside of the installation rack 6 and are welded with one group of transmission gear 401, the three groups of transmission gears 401 are sleeved with the chain 402 and are in transmission connection through the chain 402, one end of each threaded rod 306 extends to the outside of the fixing rack 7 and is welded with a second crank, the device is simple and stable in structure, high in controllability, convenient and easy to operate, and can be folded when not used, the occupied space is reduced, and the device is suitable for vigorous popularization and, meanwhile, the device does not use any driving part as power support, saves a large amount of energy sources, is lower in manufacturing and operating cost and more suitable for being put into production and used compared with most of placing devices, and indirectly improves the sales volume of the device.

The limiting and clamping mechanism 5 comprises an auxiliary box 501, limiting rods 502, fixing plates 503, arc-shaped clamping plates 504, reset springs 505, second bidirectional threaded rods 506, limiting baffles 507 and adjusting rods 508, wherein the auxiliary box 501 is welded and installed on the outer surface of the top of a group of bearing frames 8 positioned on the other side of the mounting frame 6, two groups of limiting rods 502 are welded and installed on the inner walls of the front side and the rear side of the auxiliary box 501, two groups of fixing plates 503 are slidably sleeved on the limiting rods 502, the arc-shaped clamping plates 504 are welded and installed on the outer wall of one side of the fixing plates 503, the two groups of arc-shaped clamping plates 504 are symmetrically distributed, the reset springs 505 are sleeved on the limiting rods 502, the reset springs 505 are positioned between the two groups of fixing plates 503, two ends of the reset springs 505 are respectively welded and installed with the outer walls of the two groups of fixing plates 503, the second bidirectional threaded, the limiting baffle 507 is in lap joint with the outer walls of the group of limiting rods 502, the adjusting rod 508 is welded and installed on the outer wall of the fixing plate 503, the rotor part of the centrifugal fan can be clamped internally aiming at the cylindrical structure of the rotor part, compared with a device adopting an external clamping mode, the mode cannot influence the operation of connecting and assembling the rotor and the shell by operators, the outer surfaces of the front side and the back side of the auxiliary box 501 are respectively provided with a limiting hole, one end of the adjusting rod 508 passes through the limiting hole to extend to the outside of the auxiliary box 501 and is welded and installed with a handle 9, one end of the second bidirectional threaded rod 506 extends to the outside of the auxiliary box 501 and is welded and installed with a knob 10, the labor burden of the operators is reduced, manual carrying and placing are not needed, the condition that the rotor is dropped and collided to cause fault damage in the process is further prevented, unnecessary economic loss is reduced, and a, place all to paste on the outer wall of pole 204 and arc grip block 504 and be fixed with the rubber protection and fill up, paste on one side inner wall of auxiliary box 501 and be fixed with the scale label, prevent that the rotor from receiving the damage at the centre gripping in-process, supplementary regulation centre gripping distance.

The working principle is as follows: firstly, placing a centrifugal fan shell to be assembled on two groups of placing rods 204, rotating a crank on a fixed frame 7 to drive two groups of first bidirectional threaded rods 205 to rotate, enabling two groups of pushing blocks 206 on the first bidirectional threaded rods 205 to transversely and relatively move under the limiting action of a stabilizing rod 203, enabling an included angle between an inner supporting rod 201 and an outer supporting rod 202 hinged to the first bidirectional threaded rods to change accordingly, adjusting the height and distance of the two groups of placing rods 204, and adjusting the centrifugal fan shell to a proper position according to the specification of the shell; the knob 10 is rotated, the second bidirectional threaded rod 506 rotates along with the knob, the two groups of limit baffles 507 transversely move relatively under the limit action of the limit rod 502, the distance between the two groups of limit baffles 507 is adjusted according to the inner diameter size of the rotor and the observation scale label, any one group of handle 9 is pushed after the adjustment is finished, the adjusting rod 508 extrudes the reset spring 505 along with the adjusting rod, the rotor of the centrifugal fan is placed on the two groups of arc-shaped clamping plates 504, the handle 9 is loosened, the adjusting rod 508 recovers the original position under the stress action of the reset spring 505, the two groups of arc-shaped clamping plates 504 also clamp the interior of the rotor under the stress action of the reset spring 505, and then the driving part of the centrifugal fan is placed on the pushing plate; the crank on the fixed frame 7 is rotated, the threaded rod 306 rotates along with the crank, the push plate 305 moves transversely under the limiting action of the sliding block 304, the sliding block 304 moves transversely on the sliding rod 303, the included angle between the inner ejector rod 301 and the outer ejector rod 302 which are hinged with the sliding block 304 changes along with the sliding block, the bearing frame 8 rises when the included angle is reduced, otherwise, the bearing frame 8 descends, and the height of the bearing frame is adjusted to be proper according to the specification of the rotor and the driving part; finally, the rotor and the drive part are brought into the housing for assembly by means of handles on the carrier 8 and the push shield 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a centrifugal fan placer for quick installation on assembly line frame, includes base (1), its characterized in that: the automatic clamping device is characterized in that a first lifting mechanism (2), a second lifting mechanism (3), a transmission mechanism (4) and a limiting clamping mechanism (5) are arranged on the base (1), a mounting frame (6) is installed on the outer surface of the top of the base (1) in a welded mode, a set of fixing frames (7) and a set of bearing frames (8) are arranged on the two sides of the mounting frame (6), the fixing frames (7) are located right above the bearing frames (8), and the set of fixing frames (7) located on one side of the mounting frame (6) are installed on the outer surface of the top of the base (1) in.

2. The centrifugal fan placement device for quick installation on a assembly line stand of claim 1, wherein: the utility model discloses a push plate's structure, including base (1), the top surface welding who is located a set of mount (7) of mounting bracket (6) opposite side installs the slide, slide slidable mounting has in the slide, base (1) and mount (7) slidable mounting, a set of bearing that is located mounting bracket (6) one side has seted up the spout on bearing (8), slidable mounting has push plate (11) in the spout, a set of outer wall that bears frame (8) that is located mounting bracket (6) opposite side and the equal welded mounting of top surface of push plate (11) have the handle.

3. The centrifugal fan placement device for quick installation on a assembly line stand of claim 1, wherein: the first lifting mechanism (2) comprises an inner supporting rod (201), an outer supporting rod (202), a stabilizer rod (203), a placing rod (204), a first bidirectional threaded rod (205) and a pushing block (206), be provided with two sets of interior vaulting pole (201) and two sets of outer vaulting pole (202) on mounting bracket (6), interior vaulting pole (201) and outer vaulting pole (202) cross arrangement just are articulated mutually, the articulated department welded mounting of interior vaulting pole (201) and outer vaulting pole (202) has dimension steady pole (203), the one end of two sets of interior vaulting pole (201) and two sets of outer vaulting pole (202) is all rotated and is installed a set of pole (204) of placing, rotate on the front and back side inner wall of mounting bracket (6) and install two sets of first two-way threaded rod (205), two sets of promotion piece (206) are installed to first two-way threaded rod (205) upward screw thread, the other end of interior vaulting pole (201) and outer vaulting pole (202) is articulated mutually with the top.

4. The centrifugal fan placing device for the quick installation on the assembly line frame according to claim 2, wherein: the second lifting mechanism (3) comprises an inner ejector rod (301), an outer ejector rod (302), slide rods (303), slide blocks (304), a push plate (305) and a threaded rod (306), two groups of inner ejector rods (301) and outer ejector rods (302) are respectively hinged on the inner walls of the rear sides of the fixed frame (7) and the bearing frame (8), the inner ejector rods (301) and the outer ejector rods (302) are arranged in a crossed mode and are hinged with each other, two groups of slide rods (303) are welded and installed on the inner walls of the front sides and the rear sides of the fixed frame (7) and the bearing frame (8), the slide rods (303) are sleeved with the slide blocks (304) in a sliding mode, one end of each inner ejector rod (301) is hinged with the outer surface of the top of the corresponding slide block (304) in the bearing frame (8), one end of each outer ejector rod (302) is hinged with the outer surface of the top of the corresponding slide block (304) in the fixed frame, the inner wall of the front side of the fixed frame (7) is rotatably provided with a threaded rod (306), and the push plate (305) and the threaded rod (306) are in threaded installation.

5. A centrifugal fan placement device for quick mounting on a assembly line stand according to claim 3 or 4, wherein: drive mechanism (4) include drive gear (401) and chain (402), the front side outer surface of mounting bracket (6) rotates and installs first crank, welding installation has a set of drive gear (401) on the first crank, the one end of two sets of first bidirectional threaded rod (205) all extends to the outside of mounting bracket (6) and welding installation has a set of drive gear (401), the cover is established on three sets of drive gear (401) and is installed chain (402), three sets of drive gear (401) are connected through chain (402) transmission, the one end of threaded rod (306) extends to the outside of mount (7) and welding installation has the second crank.

6. The centrifugal fan placing device for the quick installation on the assembly line frame according to claim 2, wherein: the limiting and clamping mechanism (5) comprises an auxiliary box (501), limiting rods (502), fixing plates (503), arc-shaped clamping plates (504), reset springs (505), a second bidirectional threaded rod (506), a limiting baffle (507) and an adjusting rod (508), wherein the auxiliary box (501) is welded and installed on the outer surface of the top of a group of bearing frames (8) positioned on the other side of the mounting frame (6), two groups of limiting rods (502) are welded and installed on the inner walls of the front side and the rear side of the auxiliary box (501), two groups of fixing plates (503) are slidably sleeved on the limiting rods (502), the arc-shaped clamping plates (504) are welded and installed on the outer wall of one side of each fixing plate (503), the two groups of arc-shaped clamping plates (504) are symmetrically distributed, the reset springs (505) are sleeved on the limiting rods (502), the reset springs (505) are positioned between the two groups of fixing plates (503), the two, the inner walls of the front side and the rear side of the auxiliary box (501) are rotatably provided with a second bidirectional threaded rod (506), the second bidirectional threaded rod (506) is provided with two groups of limit baffles (507) in a threaded manner, the limit baffles (507) are in lap joint with the outer walls of a group of limit rods (502), and the outer wall of the fixing plate (503) is provided with an adjusting rod (508) in a welded manner.

7. The centrifugal fan placement device for quick installation on a assembly line stand of claim 6, wherein: all seted up spacing hole on the front and back side external surface of auxiliary tank (501), the one end of adjusting pole (508) is passed spacing hole and is extended to the outside of auxiliary tank (501) and welded installation and be had handle (9), and the one end of second bidirectional threaded pole (506) is extended to the outside of auxiliary tank (501) and welded installation has knob (10).

8. A centrifugal fan placement device for quick mounting on a assembly line stand according to claim 3 or 6, wherein: the outer walls of the placing rod (204) and the arc-shaped clamping plate (504) are fixedly adhered with rubber protective pads, and the inner wall of one side of the auxiliary box (501) is fixedly adhered with a scale label.

Images