CN105486530B - A kind of vibration and noise test experimental bench of refrigerator fan housing - Google Patents
A kind of vibration and noise test experimental bench of refrigerator fan housing Download PDFInfo
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- CN105486530B CN105486530B CN201610020282.0A CN201610020282A CN105486530B CN 105486530 B CN105486530 B CN 105486530B CN 201610020282 A CN201610020282 A CN 201610020282A CN 105486530 B CN105486530 B CN 105486530B
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- fan housing
- sliding block
- motor
- kinematic system
- longitudinal rail
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Abstract
The present invention relates to a kind of vibration and noise test experimental benches of refrigerator fan housing, belong to clamping apparatus technical field.The present invention includes fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；Bottom work system placement is on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system are installed on the work system of bottom, and mutually perpendicular two longitudinal rails and two cross slide ways are provided on the work system of bottom.The present invention is tested for various sizes of fan housing model using the installation way of flexibility, and the special fixture of additional designs difference size fan housing is not needed.Equipment under test will not be destroyed, man power and material is greatly saved；Additional design cost is reduced, the time has been saved for the completion early of project.And centrifugal fan and fan housing independent separate are realized, the Gas-solid Coupling of fan housing vibration noise can be efficiently separated.
Description
Technical field
The present invention relates to a kind of vibration and noise test experimental benches of refrigerator fan housing, belong to clamping apparatus technical field.
Background technology
Refrigerator is the important electric appliance in residential households life.With the improvement of living standards, refrigerator volume is increasing, work(
Rate is also gradually increasing, and the control requirement of noise and difficulty are also gradually increased accordingly.Air cooling type refrigerator is in big volume refrigerator
Main product, fan is most important noise source in wind cooling refrigerator.Fan is mounted in fan housing, due to the imbalance of fan
Property or assembly in error situations such as, inevitably will produce vibrate and be transmitted on fan housing structure.Simultaneously in fan housing runner
Outer gas also will produce vibration and noise.This two vibration noise is coupled, it is difficult to detach, to analyzing ice
Simultaneously take effective control measure very unfavorable in case total noise of centrifuge source.
It works the effective vibration and noise reducing of fan housing to realize, must accurately find noise source, and then carry out and targetedly subtract
Shake noise reduction measure.Fan housing vibration noise is related to fluid, solid and the two and intercouples function influence, and test measurement information is multiple
It is miscellaneous, it is difficult to separation identification.In current fan housing system vibration noise testing operation, fan housing is tested after being loaded into complete machine,
Ambient noise is easily mixed into, and information is complex and is difficult to detach identification.And due to not specifically in refrigerator fan housing list
Only vibration noise experimental bench, therefore fan vibration noise and flow noise can not be detached.It is proposed that this is special for such case
Profit, a kind of vibration and noise test experimental bench of refrigerator fan housing are that is, separately installed to progress vibration noise survey on experimental bench by fan housing
Examination realizes the separation of two kinds of noises using testing stand, so as to effectively measure and identify noise source information.
Invention content
The technical problem to be solved by the present invention is to：The present invention provides a kind of vibration and noise test experimental bench of refrigerator fan housing,
To overcome the problems, such as that fan housing fluid, motor oscillating coupled noise are difficult to detach, the structural vibration of centrifugal fan inside fan housing is made an uproar
Sound and wind system noise can efficiently separate, and further investigate the noise characteristic of fan housing, be the vibration noise abatement work clothes of refrigerator complete machine
Business.This patent is tested for various sizes of fan housing model using the installation way of flexibility, does not need additional designs not
With the special fixture of size fan housing.
The technical scheme is that：A kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fixing bracket fortune
Dynamic system, bottom support movements system, motor support frame kinematic system, bottom work system；Bottom workbench system
On the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system are pacified for system placement
On the work system of bottom, mutually perpendicular two longitudinal rails 21 and two transverse directions are provided on the work system of bottom
Guide rail 16；Fan housing fixing bracket kinematic system is mounted on by the first sliding block connecting angle pieces 12 and the first damping sliding block 14 and is laterally led
It can slide on rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes that fan housing is solid
Movement and fixation of the fixed rack kinematic system on cross slide way 16；Bottom support movements system passes through the second sliding block joint angle
Part 12 and the second damping sliding block 14 are mounted on longitudinal rail 21, and motor support frame kinematic system passes through third sliding block connecting angle pieces
12 and third damping sliding block 14 be mounted on longitudinal rail 21 on, bottom support movements system and motor fixing frame kinematic system are equal
It can be slided on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third damping
Third clamping lever 17 on sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal rail
Movement on 21 and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
The bottom support movements system includes that bottom holds out against frame 18, adjustable stud 19, curved roof 20；Curved roof
20 hold out against frame 18 by two adjustable studs 19 with bottom is connected and fixed, and bottom holds out against frame 18 and passes through the second sliding block connecting angle pieces 12
It is mounted on the second damping sliding block 14 on the longitudinal rail 21 of bottom work system, is pacified on the second damping sliding block 14 by adjusting
Second clamping lever 17 of dress realizes movement and fixation of the bottom support movements system on longitudinal rail 21.
The motor support frame kinematic system includes connecting rod 1, shaft coupling 2, third sliding block connecting angle pieces 12, third damping cunning
Block 14, third clamping lever 17, electric machine support 22, motor cabinet 24, motor 25, rolling bearing units 26；Motor cabinet 24 and rolling bearing units
26 are fixed on by M5 hexagon socket head cap screws 13 on electric machine support 22, and motor 25 is mounted in motor cabinet 24, and 1 one end of connecting rod passes through band
Seat bearing 26 makes shaft coupling 2 be connected to a fixed with motor 25, and the other end makes shaft coupling 2 be connected and fixed with centrifugal fan, whole electricity
The electric machine support 22 of machine support movements system is mounted on bottom by third sliding block connecting angle pieces 12 and third damping sliding block 14
On the longitudinal rail 21 of work system, electricity is realized by adjusting the third clamping lever 17 installed on third damping sliding block 14
Movement and fixation of the machine support movements system on longitudinal rail 21.
The bottom work system includes bottom workbench 15, cross slide way 16, longitudinal rail 21, rubber feet 23；
Cross slide way 16 is connected with longitudinal rail 21 by M5 soket head cap screws 13 and the installation of bottom workbench 15, and bottom work is fixed on
On platform 15, bottom workbench 15 is mounted below 4 rubber feets 23；Whole bottom work system is put by rubber feet 23
It is placed in ground.
The process of clamping of the present invention is：
1, the fan housing fixing bracket kinematic system is made of the fan housing holder of two transverse movements, passes through cross slide way 16
Two stands spacing is adjusted to adapt to the fan housing model of different width dimensions；Then by the first clamping lever 17 by left lateral position fan housing
Holder 8-1 and right lateral position fan housing holder 8-2 is fixed on cross slide way 16.
2, by adjusting top slide rail 6 and 4 position of c-type clamp on upright slide rail 3, and c-type is fastened by wing bolt 5
Clamp 4；The sliding stud 9 on upright slide rail 3 and 10 position of slip draw-in groove block are adjusted, and is fastened by wing bolt 5；Then lead to
It overregulates c-type clamp 4 and fastens fan housing with fastening strip 11.
3, bottom is moved by longitudinal rail 21 and holds out against 18 kinematic system of frame to fan housing bottom, adjusted by adjustable stud 19
Curved roof 20 holds out against fan housing；Bottom supporting rack system is fixed by the second clamping lever 17.
4, regulation motor support movements system position connects centrifugal fan by shaft coupling 2.Pass through third clamping lever
17 fix electric machine support 22.
The present invention provides a kind of vibration and noise test experimental benches of refrigerator fan housing, include mainly that fan housing fixing bracket moves
System, bottom support movements system and motor support frame kinematic system；The fan housing fixing bracket kinematic system, bottom support
Frame kinematic system and motor support frame kinetic system are connect by damping slide block device with bottom work top, and motor support frame is utilized
Kinematic system connects fan housing centrifugal fan, and centrifugal fan is made to realize that structure detaches with fan housing.Pass through regulation motor support movements
The spacing of system and fan housing ensures centrifugal fan position with original installation position as possible close to which centrifugal fan both be isolated
Structural vibration maintains the adverse effect that fan housing shell structure is vibrated original effect of centrifugal fan again, then passes through and adjusts electricity
Machine rotating speed, which is realized, controls centrifugal fan rotating speed, final to can be achieved to wind system vibration noise inside isolation centrifugal fan rear air cover
Accurate measurement, to realize centrifugal fan vibration noise and wind system noise separation.For the vibration noise abatement work of refrigerator complete machine
It is convenient to make to provide.
The present invention is tested for various sizes of fan housing model using the installation way of flexibility, need not additionally be set
Count the special fixture of different size fan housings.And centrifugal fan and fan housing independent separate are realized, fan housing can be efficiently separated
The Gas-solid Coupling of vibration.
The beneficial effects of the invention are as follows：
1, the fan housing fixing bracket kinematic system by two transverse movements left lateral position fan housing holder and right lateral position fan housing
Holder forms, and two motion bracket spacing are adjusted to adapt to different size fan housings from U-type groove by horizontal slide rail；Then pass through folder
Transverse movement holder is fixed on sliding rail by tight handle.
2, c-type clamp are installed in both sides upright slide rail and top slide rail, adjust c-type position of caliper and is suitable for different shape
The clamping of fan housing fastens the fastening strip in c-type clamp by wing bolt, effective fixation to fan housing may be implemented；
3. being equipped with sliding stud and slip draw-in groove block on the upright slide rail of both sides, wing bolt and M5 hexagon socket head cap screws are adjusted
It is elastic sliding stud and slip draw-in groove block position on upright slide rail may be implemented, be adapted to location hole with snibbing position not
Same fan housing type, is fastened by wing bolt, can be more close to fan housing actual installation constraints.
3, mobile bottom support movements system adjusts curved roof by adjustable stud and realizes to fan housing to fan housing bottom
Bottom is held out against；Bottom supporting rack system is fixed by clamping lever, to more be constrained close to fan housing actual installation
Condition.
4, centrifugal fan and connecting rod, the motor support frame kinematic system position on mobile longitudinal rail are connected by shaft coupling
It sets, position that can be with adjusting control centrifugal fan in fan housing, to more close to the original installation position of centrifugal fan.
The present invention is tested for various sizes of fan housing model using the installation way of flexibility, need not additionally be set
Count the special fixture of different size fan housings.And centrifugal fan and fan housing independent separate are realized, fan housing can be efficiently separated
The Gas-solid Coupling of vibration.
A kind of refrigerator fan housing vibration test table equipment provided by the invention, testing bench structure are reliable, easy to detect.For not
With the fan housing model of size, the special fixture of additional designs difference size fan housing is not needed, there is stronger applicability, and energy
Enough efficiently separate the Gas-solid Coupling of fan housing vibration.Equipment moving is steady, securely and reliably, beautiful and generous.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is fan housing fixing bracket system assembled shaft side of the present invention schematic diagram；
Fig. 3 is fan housing fixing bracket system assembling front view of the present invention；
Fig. 4 is I partial enlarged views in Fig. 3 of the present invention；
Fig. 5 is right lateral position fan housing holder assembling schematic diagram of the present invention；
Fig. 6 is left lateral position fan housing holder assembling schematic diagram of the present invention；
Fig. 7 is upright slide rail assembling schematic diagram of the present invention；
Fig. 8 is upright slide rail internal structure sectional view of the present invention；
Fig. 9 is support movements system assembling schematic diagram in bottom of the present invention；
Figure 10 is motor support frame kinematic system assembling schematic diagram of the present invention；
Figure 11 is work system assembling schematic diagram in bottom of the present invention.
In Fig. 1-11 respectively marked as：1- connecting rods, 2- shaft couplings, 3- upright slide rails, 4-C type clamp, 5- wing bolts, the tops 6-
Portion's sliding rail, 7- square sliders, 8-1- left lateral position fan housing holders, 8-2- right lateral position fan housing holders, 9- slide stud, 10- sliding cards
Geosynclinal block, 11- fastening strips, 12- sliding block connecting angle pieces, 13-M5 hexagon socket head cap screws, 14- damping sliding blocks, the bottoms 15- workbench, 16-
Cross slide way, 17- clamping levers, the bottoms 18- hold out against frame, 19- adjustable studs, 20- curved roofs, 21- longitudinal rails, 22- electricity
Machine support, 23- rubber feets, 24- motor cabinets, 25- motors, 26- rolling bearing units.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the invention will be further described.
Embodiment 1：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fix branch
Frame kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work
Platform system footprint on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system
It is installed on the work system of bottom, mutually perpendicular two longitudinal rails 21 and two is provided on the work system of bottom
Cross slide way 16；Fan housing fixing bracket kinematic system is mounted on cross by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide on direction guiding rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes wind
Movement and fixation of the cover fixing bracket kinematic system on cross slide way 16；Bottom support movements system is connected by the second sliding block
It connects corner fittings 12 and the second damping sliding block 14 is mounted on longitudinal rail 21, motor support frame kinematic system is connected by third sliding block
Corner fittings 12 and third damping sliding block 14 are mounted on longitudinal rail 21, bottom support movements system and motor fixing frame kinetic system
System can slide on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third
Third clamping lever 17 on damping sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal direction
Movement on guide rail 21 and fixation.
Embodiment 2：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fix branch
Frame kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work
Platform system footprint on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system
It is installed on the work system of bottom, mutually perpendicular two longitudinal rails 21 and two is provided on the work system of bottom
Cross slide way 16；Fan housing fixing bracket kinematic system is mounted on cross by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide on direction guiding rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes wind
Movement and fixation of the cover fixing bracket kinematic system on cross slide way 16；Bottom support movements system is connected by the second sliding block
It connects corner fittings 12 and the second damping sliding block 14 is mounted on longitudinal rail 21, motor support frame kinematic system is connected by third sliding block
Corner fittings 12 and third damping sliding block 14 are mounted on longitudinal rail 21, bottom support movements system and motor fixing frame kinetic system
System can slide on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third
Third clamping lever 17 on damping sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal direction
Movement on guide rail 21 and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
Embodiment 3：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fix branch
Frame kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work
Platform system footprint on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system
It is installed on the work system of bottom, mutually perpendicular two longitudinal rails 21 and two is provided on the work system of bottom
Cross slide way 16；Fan housing fixing bracket kinematic system is mounted on cross by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide on direction guiding rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes wind
Movement and fixation of the cover fixing bracket kinematic system on cross slide way 16；Bottom support movements system is connected by the second sliding block
It connects corner fittings 12 and the second damping sliding block 14 is mounted on longitudinal rail 21, motor support frame kinematic system is connected by third sliding block
Corner fittings 12 and third damping sliding block 14 are mounted on longitudinal rail 21, bottom support movements system and motor fixing frame kinetic system
System can slide on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third
Third clamping lever 17 on damping sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal direction
Movement on guide rail 21 and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
The bottom support movements system includes that bottom holds out against frame 18, adjustable stud 19, curved roof 20；Curved roof
20 hold out against frame 18 by two adjustable studs 19 with bottom is connected and fixed, and bottom holds out against frame 18 and passes through the second sliding block connecting angle pieces 12
It is mounted on the second damping sliding block 14 on the longitudinal rail 21 of bottom work system, is pacified on the second damping sliding block 14 by adjusting
Second clamping lever 17 of dress realizes movement and fixation of the bottom support movements system on longitudinal rail 21.
Embodiment 4：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fix branch
Frame kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work
Platform system footprint on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system
It is installed on the work system of bottom, mutually perpendicular two longitudinal rails 21 and two is provided on the work system of bottom
Cross slide way 16；Fan housing fixing bracket kinematic system is mounted on cross by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide on direction guiding rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes wind
Movement and fixation of the cover fixing bracket kinematic system on cross slide way 16；Bottom support movements system is connected by the second sliding block
It connects corner fittings 12 and the second damping sliding block 14 is mounted on longitudinal rail 21, motor support frame kinematic system is connected by third sliding block
Corner fittings 12 and third damping sliding block 14 are mounted on longitudinal rail 21, bottom support movements system and motor fixing frame kinetic system
System can slide on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third
Third clamping lever 17 on damping sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal direction
Movement on guide rail 21 and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
The bottom support movements system includes that bottom holds out against frame 18, adjustable stud 19, curved roof 20；Curved roof
20 hold out against frame 18 by two adjustable studs 19 with bottom is connected and fixed, and bottom holds out against frame 18 and passes through the second sliding block connecting angle pieces 12
It is mounted on the second damping sliding block 14 on the longitudinal rail 21 of bottom work system, is pacified on the second damping sliding block 14 by adjusting
Second clamping lever 17 of dress realizes movement and fixation of the bottom support movements system on longitudinal rail 21.
The motor support frame kinematic system includes connecting rod 1, shaft coupling 2, third sliding block connecting angle pieces 12, third damping cunning
Block 14, third clamping lever 17, electric machine support 22, motor cabinet 24, motor 25, rolling bearing units 26；Motor cabinet 24 and rolling bearing units
26 are fixed on by M5 hexagon socket head cap screws 13 on electric machine support 22, and motor 25 is mounted in motor cabinet 24, and 1 one end of connecting rod passes through band
Seat bearing 26 makes shaft coupling 2 be connected to a fixed with motor 25, and the other end makes shaft coupling 2 be connected and fixed with centrifugal fan, whole electricity
The electric machine support 22 of machine support movements system is mounted on bottom by third sliding block connecting angle pieces 12 and third damping sliding block 14
On the longitudinal rail 21 of work system, electricity is realized by adjusting the third clamping lever 17 installed on third damping sliding block 14
Movement and fixation of the machine support movements system on longitudinal rail 21.
Embodiment 5：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fix branch
Frame kinematic system, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work
Platform system footprint on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system
It is installed on the work system of bottom, mutually perpendicular two longitudinal rails 21 and two is provided on the work system of bottom
Cross slide way 16；Fan housing fixing bracket kinematic system is mounted on cross by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide on direction guiding rail 16 and on cross slide way 16, and the first clamping lever 17 by adjusting on damping sliding block 14 realizes wind
Movement and fixation of the cover fixing bracket kinematic system on cross slide way 16；Bottom support movements system is connected by the second sliding block
It connects corner fittings 12 and the second damping sliding block 14 is mounted on longitudinal rail 21, motor support frame kinematic system is connected by third sliding block
Corner fittings 12 and third damping sliding block 14 are mounted on longitudinal rail 21, bottom support movements system and motor fixing frame kinetic system
System can slide on longitudinal rail 21, and respectively by adjusting the second clamping lever 17 on the second damping sliding block 14, third
Third clamping lever 17 on damping sliding block 14 realizes bottom support movements system with motor fixing frame kinematic system in longitudinal direction
Movement on guide rail 21 and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
The bottom support movements system includes that bottom holds out against frame 18, adjustable stud 19, curved roof 20；Curved roof
20 hold out against frame 18 by two adjustable studs 19 with bottom is connected and fixed, and bottom holds out against frame 18 and passes through the second sliding block connecting angle pieces 12
It is mounted on the second damping sliding block 14 on the longitudinal rail 21 of bottom work system, is pacified on the second damping sliding block 14 by adjusting
Second clamping lever 17 of dress realizes movement and fixation of the bottom support movements system on longitudinal rail 21.
The motor support frame kinematic system includes connecting rod 1, shaft coupling 2, third sliding block connecting angle pieces 12, third damping cunning
Block 14, third clamping lever 17, electric machine support 22, motor cabinet 24, motor 25, rolling bearing units 26；Motor cabinet 24 and rolling bearing units
26 are fixed on by M5 hexagon socket head cap screws 13 on electric machine support 22, and motor 25 is mounted in motor cabinet 24, and 1 one end of connecting rod passes through band
Seat bearing 26 makes shaft coupling 2 be connected to a fixed with motor 25, and the other end makes shaft coupling 2 be connected and fixed with centrifugal fan, whole electricity
The electric machine support 22 of machine support movements system is mounted on bottom by third sliding block connecting angle pieces 12 and third damping sliding block 14
On the longitudinal rail 21 of work system, electricity is realized by adjusting the third clamping lever 17 installed on third damping sliding block 14
Movement and fixation of the machine support movements system on longitudinal rail 21.
The bottom work system includes bottom workbench 15, cross slide way 16, longitudinal rail 21, rubber feet 23；
Cross slide way 16 is connected with longitudinal rail 21 by M5 soket head cap screws 13 and the installation of bottom workbench 15, and bottom work is fixed on
On platform 15, bottom workbench 15 is mounted below 4 rubber feets 23；Whole bottom work system is put by rubber feet 23
It is placed in ground.
Embodiment 6：In order to overcome the problems, such as that fan housing Gas-solid Coupling noise is excessive and is difficult to detach, the present invention provides one kind
The vibration and noise test experimental bench of refrigerator fan housing as shown in figs. 1-11, can by centrifugal fan vibration noise and wind system noise
It efficiently separates, furthers investigate the noise characteristic of fan housing, be the vibration noise abatement work service of refrigerator complete machine, for various sizes of wind
Cover model is tested using the installation way of flexibility, does not need the special fixture of additional designs difference size fan housing, and
Centrifugal fan and fan housing independent separate are realized, the Gas-solid Coupling of fan housing vibration can be efficiently separated；
As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, including fan housing fixing bracket kinetic system
System, bottom support movements system, motor support frame kinematic system, bottom work system；The bottom work system peace
It sets on the ground, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system are installed in
On the work system of bottom, mutually perpendicular two longitudinal rails 21 and two cross slide ways are provided on the work system of bottom
16；Fan housing fixing bracket kinematic system is mounted on cross slide way 16 by the first sliding block connecting angle pieces 12 and the first damping sliding block 14
It can slide above and on cross slide way 16, and pass through the first clamping lever 17 adjusted on damping sliding block 14 and realize that fan housing fixes branch
Movement and fixation of the frame kinematic system on cross slide way 16；Bottom support movements system passes through the second sliding block connecting angle pieces 12
It is mounted on longitudinal rail 21 with the second damping sliding block 14, motor support frame kinematic system passes through 12 He of third sliding block connecting angle pieces
Third damping sliding block 14 is mounted on longitudinal rail 21, and bottom support movements system and motor fixing frame kinematic system can be
It is slided on longitudinal rail 21, and respectively by adjusting the second clamping lever 17, third damping sliding block on the second damping sliding block 14
Third clamping lever 17 on 14 realizes bottom support movements system with motor fixing frame kinematic system on longitudinal rail 21
Movement and fixation.
The fan housing fixing bracket kinematic system includes upright slide rail 3, c-type clamp 4, top slide rail 6, square slider 7, a left side
Side position fan housing holder 8-1, right lateral position fan housing holder 8-2, sliding stud 9, slip draw-in groove block 10, fastening strip 11, sliding block joint angle
Part 12, damping sliding block 14, clamping lever 17；
Upright slide rail 3 is housed on the right lateral position fan housing holder 8-2；Block on the upright slide rail 3 of right lateral position fan housing holder 8-2
There are c-type clamp 4, sliding stud 9 to be connected with the square slider 7 in 3 sliding slot of upright slide rail by wing bolt 5, sliding card
Geosynclinal block 10 is connected by M5 hexagon socket head cap screws 13 with the square slider 7 in 3 sliding slot of upright slide rail, adjust wing bolt 5 with
M5 hexagon socket head cap screws 13 it is elastic come realize sliding stud 9, slip draw-in groove block 10 on upright slide rail 3 sliding of position with it is solid
It is fixed；Fastening strip 11 is placed between the jaw of the c-type clamp 4 on the upright slide rail 3 of right lateral position fan housing holder 8-2, passes through adjusting
Wing bolt 5 clamps fan housing；
The left lateral position fan housing holder 8-1 is identical as right lateral position fan housing holder 8-2 structures, and area's otherwise is left lateral position
Further include top lateral frame on fan housing holder 8-1, top slide rail 6 is housed, also blocking in top slide rail 6 has c-type on the lateral frame of top
Clamp 4, the left lateral position fan housing holder 8-1 pass through wing bolt 5 and square slider 7 and right side at the U-type groove of top slide rail 6
Position fan housing holder 8-2 is integrally attached to connect；Right lateral position fan housing holder 8-2 is by adjusting the butterfly spiral shell at whole left lateral position fan housing holder
Bolt 5 is slided and is fixed in U-type groove to realize；
The left lateral position fan housing holder 8-1 connect with right lateral position fan housing holder 8-2 after by the first sliding block connecting angle pieces 12
It is mounted on the first damping sliding block 14 on the cross slide way 16 of bottom work system, is pacified on the first damping sliding block 14 by adjusting
First clamping lever 17 of dress realizes movement and fixation of the fan housing fixing bracket kinematic system on cross slide way 16.
The bottom support movements system includes that bottom holds out against frame 18, adjustable stud 19, curved roof 20；Curved roof
20 hold out against frame 18 by two adjustable studs 19 with bottom is connected and fixed, and bottom holds out against frame 18 and passes through the second sliding block connecting angle pieces 12
It is mounted on the second damping sliding block 14 on the longitudinal rail 21 of bottom work system, is pacified on the second damping sliding block 14 by adjusting
Second clamping lever 17 of dress realizes movement and fixation of the bottom support movements system on longitudinal rail 21.
The motor support frame kinematic system includes connecting rod 1, shaft coupling 2, third sliding block connecting angle pieces 12, third damping cunning
Block 14, third clamping lever 17, electric machine support 22, motor cabinet 24, motor 25, rolling bearing units 26；Motor cabinet 24 and rolling bearing units
26 are fixed on by M5 hexagon socket head cap screws 13 on electric machine support 22, and motor 25 is mounted in motor cabinet 24, and 1 one end of connecting rod passes through band
Seat bearing 26 makes shaft coupling 2 be connected to a fixed with motor 25, and the other end makes shaft coupling 2 be connected and fixed with centrifugal fan, whole electricity
The electric machine support 22 of machine support movements system is mounted on bottom by third sliding block connecting angle pieces 12 and third damping sliding block 14
On the longitudinal rail 21 of work system, electricity is realized by adjusting the third clamping lever 17 installed on third damping sliding block 14
Movement and fixation of the machine support movements system on longitudinal rail 21.
The bottom work system includes bottom workbench 15, cross slide way 16, longitudinal rail 21, rubber feet 23；
Cross slide way 16 is connected with longitudinal rail 21 by M5 soket head cap screws 13 and the installation of bottom workbench 15, and bottom work is fixed on
On platform 15, bottom workbench 15 is mounted below 4 rubber feets 23；Whole bottom work system is put by rubber feet 23
It is placed in ground.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the c-type clamp 4 of fan housing fixing bracket kinematic system are stuck in
Both sides upright slide rail 3 can be slided in top slide rail 6；The clamping to fan housing is realized by c-type clamp 4 and fastening strip 11.Two
Equipped with sliding stud 9 and slip draw-in groove block 10 on side upright slide rail 3, sliding stud 9 is with slip draw-in groove block 10 by sliding slot
Square sliding block 7 is connected on upright slide rail 3, and square sliding block 7 can be moved up and down with slip draw-in groove block 10 along upright slide rail 3；Square
Sliding block 7 is fastened on by wing bolt 5 on both sides upright slide rail 3.Top slide rail 6 and left lateral position fan housing holder 8-1 is one whole
Body, this is whole to be connect by square sliding block 7 in U-type groove and wing bolt 5 with right lateral position fan housing holder 8-2.Overall structure is real
Existing width is adjustable.
A type fan housings, double-door type freezing chamber fan housing.Structure type：Respectively there are two bolts in wide 295mm, high 422mm, both sides
And place-centric is symmetrical, it is non-to symmetrical location hole that respectively there are one positions for both sides, and fan housing bottom base panel ties up curved plate；Specific clamping
Steps are as follows：First according to the width between fan housing width adjusting left lateral position fan housing holder 8-1 and right lateral position fan housing holder 8-2；
Then 10 position of slip draw-in groove block on both sides upright slide rail 3 is adjusted according to fan housing both sides snibbing position, it is fixed according to fan housing both sides
Position hole site adjusts 9 position of sliding stud on both sides upright slide rail 3, and position adjusts to finish and fan housing can be loaded into cunning
With in slip draw-in groove block 10 on dynamic stud 9, fan housing top and top slide rail 6 to sustained height are then adjusted, it is vertical to adjust both sides
Sliding rail 3 and 4 position of c-type clamp in top slide rail 6, the clamping to fan housing is realized by c-type clamp 4 and fastening strip 11；Then
Fan housing fixing bracket kinematic system is adjusted to be aligned with motor support frame kinematic system center to 21 center of longitudinal rail and by the
One clamping lever 17 carries out position to fan housing fixing bracket kinematic system and fixes.Then the bottom support on longitudinal rail 21 is moved
Add kinematic system to fan housing bottom and position is carried out by the second clamping lever 17 and fix, adjusts adjustable stud 19 and adjust arched top
Plate integrally holds out against fan housing；Then the motor support frame kinematic system on longitudinal rail 21 is moved to fan housing air inlet position, is passed through
By dismount centrifugal fan is attached in fan housing, fine tuning motor support frame kinematic system ensures to centrifuge wind with fan housing spacing shaft coupling
Position is fanned close to after original installation position, position is carried out to motor support frame kinematic system by third clamping lever 17 and is fixed.
C-type clamp 4 in the present invention are standard component, can be directly commercially available.In the present embodiment, fan housing fixing bracket system
For system by the first sliding block connecting angle pieces 12 and the first damping sliding block 14 transverse shifting on cross slide way 16, slip draw-in groove block 10 is logical
It crosses bolt to connect with the square sliding block 7 inside upright slide rail 3, sliding stud 9 passes through the side inside wing bolt and upright slide rail 3
Type sliding block 7 connects, square sliding block 7 can in upright slide rail 3 vertical sliding, pass through wing bolt 5 and square slider 7 and realize and connect
It connects and fixes；Top slide rail 6 is an entirety by welding with upright slide rail 3.C-type clamp 4 are stuck in both sides upright slide rail 3 and top
It can be slided on portion's sliding rail 6.Fan housing is realized connection by wing bolt 5 and square slider 7 and is fixed.
Embodiment 7：As shown in figs. 1-11, a kind of vibration and noise test experimental bench of refrigerator fan housing, the present embodiment and implementation
Example 6 is identical, wherein：
It can be used for test b type fan housing, single open-door formula freezing chamber fan housing.Structure type：Wide 368mm, high 510mm, both sides are each
Have two bolts and place-centric be symmetrical, both sides respectively there are one position it is non-to symmetrical location hole, top have two central symmetries insert
Pin, fan housing bottom base panel tie up curved plate.
Because having two central symmetry bolts at the top of Type B fan housing, therefore according to snibbing position at the top of fan housing in top slide rail 6
2 slip draw-in groove blocks 10 of upper installation adjust the slip draw-in groove block 10 installed in top slide rail 6 when clamping and are inserted at the top of fan housing
Pins position, which is set, to be matched, then by fan housing be loaded on the sliding stud 9 on upright slide rail 3 in slip draw-in groove block 10.
Specific embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned realities
Example is applied, it within the knowledge of a person skilled in the art, can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (2)
1. a kind of vibration and noise test experimental bench of refrigerator fan housing, it is characterised in that：Including fan housing fixing bracket kinematic system, bottom
Portion's support movements system, motor support frame kinematic system, bottom work system；The bottom work system is placed in ground
On face, fan housing fixing bracket kinematic system, bottom support movements system, motor support frame kinematic system are installed in bottom work
Make in platform system, mutually perpendicular two longitudinal rails are provided on the work system of bottom（21）With two cross slide ways
（16）；Fan housing fixing bracket kinematic system passes through the first sliding block connecting angle pieces（12）With the first damping sliding block（14）Mounted on transverse direction
Guide rail（16）It above and can be in cross slide way（16）Upper sliding, and by adjusting the first damping sliding block（14）On the first clamping lever
（17）Realize fan housing fixing bracket kinematic system in cross slide way（16）On movement and fixation；Bottom support movements system is logical
Cross the second sliding block connecting angle pieces（12）With the second damping sliding block（14）Mounted on longitudinal rail（21）On, motor support frame kinetic system
System passes through third sliding block connecting angle pieces（12）With third damping sliding block（14）Mounted on longitudinal rail（21）On, bottom supporting rack fortune
Dynamic system can be in longitudinal rail with motor support frame kinematic system（21）Upper sliding, and respectively by adjusting the second damping sliding block
（14）On the second clamping lever（17）, third damping sliding block（14）On third clamping lever（17）Realize bottom supporting rack fortune
Dynamic system is with motor support frame kinematic system in longitudinal rail（21）On movement and fixation；
The bottom support movements system includes that bottom holds out against frame（18）, adjustable stud（19）, curved roof（20）；Arched top
Plate（20）Pass through two adjustable studs（19）Frame is held out against with bottom（18）It is connected and fixed, bottom holds out against frame（18）Pass through the second sliding block
Connecting angle pieces（12）With the second damping sliding block（14）Mounted on the longitudinal rail of bottom work system（21）On, by adjusting the
Two damping sliding blocks（14）Second clamping lever of upper installation（17）To realize bottom support movements system in longitudinal rail（21）
On movement and fixation；
The motor support frame kinematic system includes connecting rod（1）, shaft coupling（2）, third sliding block connecting angle pieces（12）, third damping
Sliding block（14）, third clamping lever（17）, electric machine support（22）, motor cabinet（24）, motor（25）, rolling bearing units（26）；Motor
Seat（24）With rolling bearing units（26）Pass through M5 hexagon socket head cap screws（13）It is fixed on electric machine support（22）On, motor（25）Mounted on electricity
Engine base（24）It is interior, connecting rod（1）One end passes through rolling bearing units（26）Make shaft coupling（2）With motor（25）It is connected to a fixed, the other end
Make shaft coupling（2）It is connected and fixed with centrifugal fan, the electric machine support of motor support frame kinematic system（22）Connected by third sliding block
Connect corner fittings（12）With third damping sliding block（14）Mounted on the longitudinal rail of bottom work system（21）On, by adjusting third
Damping sliding block（14）The third clamping lever of upper installation（17）To realize motor support frame kinematic system in longitudinal rail（21）On
Movement and fixation.
2. the vibration and noise test experimental bench of refrigerator fan housing according to claim 1, it is characterised in that：The bottom work
Platform system includes bottom workbench（15）, cross slide way（16）, longitudinal rail（21）, rubber feet（23）；Cross slide way（16）
With longitudinal rail（21）Pass through M5 soket head cap screws（13）With bottom workbench（15）Installation connection, is fixed on bottom workbench
（15）On, bottom workbench（15）It is mounted below 4 rubber feets（23）；Bottom work system passes through rubber feet（23）
It is positioned over ground.
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| CN201610020282.0A CN105486530B (en) | 2016-01-13 | 2016-01-13 | A kind of vibration and noise test experimental bench of refrigerator fan housing |
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| CN201610020282.0A CN105486530B (en) | 2016-01-13 | 2016-01-13 | A kind of vibration and noise test experimental bench of refrigerator fan housing |
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| JP3011532B2 (en) * | 1992-04-30 | 2000-02-21 | 株式会社東芝 | Refrigerator vibration debugging |
| CN204301854U (en) * | 2014-11-14 | 2015-04-29 | 中国电器科学研究院有限公司 | A kind of automobile air conditioner compressor noise testing device |
| CN104457972B (en) * | 2014-11-28 | 2018-11-20 | 长城汽车股份有限公司 | Noise measuring method, system and the vehicle of auto air-con |
| CN105155453B (en) * | 2015-09-12 | 2016-10-26 | 温州职业技术学院 | A kind of split type erecting device of dust absorption fan |
| CN105181354A (en) * | 2015-09-28 | 2015-12-23 | 华晨汽车集团控股有限公司 | Comprehensive automobile steering wheel test bed |
| CN205483611U (en) * | 2016-01-13 | 2016-08-17 | 昆明理工大学 | Vibration noise test laboratory bench of refrigerator fan housing |
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