CN207215459U - Axial flow fan with adjustable moving blades bearing housing load testing machine - Google Patents
Axial flow fan with adjustable moving blades bearing housing load testing machine Download PDFInfo
- Publication number
- CN207215459U CN207215459U CN201721064376.4U CN201721064376U CN207215459U CN 207215459 U CN207215459 U CN 207215459U CN 201721064376 U CN201721064376 U CN 201721064376U CN 207215459 U CN207215459 U CN 207215459U
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- China
- Prior art keywords
- bearing housing
- main shaft
- base
- flow fan
- axial flow
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Abstract
The utility model discloses a kind of axial flow fan with adjustable moving blades bearing housing load testing machine, its drip irrigation device is to include base, some slideways being opened in side by side on base, the bearing housing being slidably supported on above base, the main shaft coordinated with bearing housing, the drive device that drive shaft rotates, it is provided with the base in the one end of bearing housing away from the drive device and drives the main shaft straight down to be in sustained height to the radial loading device of main shaft offer radial loaded power and with main shaft and promote main shaft to the drive device direction to provide the axial loading device of axially loaded power to main shaft.Loading experiment can be carried out in bearing housing, the total quality of axial flow fan with adjustable moving blades bearing housing is detected.
Description
Technical field
A kind of experimental rig is the utility model is related to, more particularly to a kind of axial flow fan with adjustable moving blades bearing housing load test
Device.
Background technology
Axial flow fan with adjustable moving blades is widely used machinery in contemporary plant equipment, with science and technology progress,
To the reliability more and more higher of axial flow fan with adjustable moving blades in practical application, also have increasing need for axial flow fan with adjustable moving blades axle
Hold case and carry out load test.
If without load test after bearing housing assembling, it is impossible to which each part of check bearing case whether there is hidden danger, whole
Body assembles quality and whether function meets onsite application requirement.Find quality problems be present again after direct in-site installation use, only
It can again dismantle and return repair in shop and answer, the normal production of client certainly will be influenceed.
The utility model can solve axial flow fan with adjustable moving blades bearing housing On Quality Examining Problems.
Utility model content
The purpose of this utility model is to provide a kind of leaf and moves adjustable axial flow blower bearing housing load testing machine, can be to axle
Hold case and carry out loading experiment, the quality of axial flow fan with adjustable moving blades bearing housing is detected.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of axial flow fan with adjustable moving blades bearing housing load testing machine, if including base, being opened in side by side on base
The driving that dry bar slideway, the bearing housing being slidably supported on above base, the main shaft coordinated with bearing housing, drive shaft rotate fills
Put, be provided with the base in the one end of bearing housing away from the drive device and drive the main shaft straight down with to main shaft
The radial loading device of radial loaded power is provided and is in sustained height with main shaft and is promoted to the drive device direction and is led
Axle is to provide the axial loading device of axially loaded power to main shaft.
By using above-mentioned technical proposal, bearing housing is fixed on testing stand, is continuously run by working speed, and passes through radially
Loading device and axial loading device grant the suitable radial load of actual condition, axial force on main shaft, and main shaft is continuously run
Certain time, temperature, the Vibration Condition of bearing are continued to monitor, detection data meet the requirements and can just dispatched from the factory, otherwise just need into one
Step, which checks, repairs, and reforms experiment, untill qualified, using the above-mentioned operating mode for being designed to simulate onsite application, is being showed
Bearing housing can be tested before the installation of field, the quality problems of bearing housing can be found in advance, avoid installing in spite of illness.
Preferably, the radial loading device includes being socketed in radial loaded head of the main shaft away from described drive device one end
Be arranged on base and piston be fixedly connected with the radial loaded head with drive the radial loaded head radial motion so as to
Apply the radial loaded hydraulic cylinder of radial loaded power to main shaft.
By using above-mentioned technical proposal, by the radial loaded hydraulic cylinder of setting radial loaded head can be driven radially to transport
Move so as to apply radial loaded power, running situation of the simulated implementation operating mode middle (center) bearing case by radial load to main shaft.
Preferably, the axial loading device includes the axially loaded hydraulic cylinder being slidably supported on above base and is socketed in
The axially loaded hydraulic cylinder piston end and the axially loaded head being coaxially disposed with the main shaft.
By using above-mentioned technical proposal, by the axially loaded hydraulic cylinder of setting can driving axial loading head to main shaft
Apply axially loaded power, simulate live actual condition middle (center) bearing case by running situation during axial load.
Preferably, being provided with two slide rails perpendicular to slideway on the base, the both sides of the slide rail are respectively arranged with
Corresponding to the locking bolt of the slideway, the locking bolt inserts the slideway and its upper end is fixed by nut.
By using above-mentioned technical proposal, slide rail slides in orbit, bearing housing can be driven integrally to move, convenient
The position of bearing housing is adjusted smoothly to install main shaft, " slide bar " is used as using locking bolt, the nut of upper end can enter to slide rail
Row is fixed, it is ensured that during plant running will not generating means displacement situations such as, ensure the accuracy of testing result；Two cunnings
Rail can slide, the installation for being adapted to the bearing housing of different length by adjusting the spacing between two one slide rails.
Preferably, slidably connecting at least two root posts on per one slide rail, the upright supports are under the bearing housing
Side.
By using above-mentioned technical proposal, column can enter line slip along the length direction of slide rail, according to bearing housing
Width size, the spacing between column can be adjusted, coordinate the spacing of slide rail to adjust and can adapt to different size of bearing housing
Load test.
Preferably, the drive device includes sliding the motor base on base along the slideway and is fixedly arranged on described
Coupled above motor base with main shaft by shaft coupling so as to drive the variable-frequency motor of the main axis.
By using above-mentioned technical proposal, variable-frequency motor can simulate live spindle operation speed, and it is arranged on slidably
Base on can according to reality installation site be adjusted.
Preferably, it is fixedly connected between the motor base and the column by two parallel connecting rods.
By using above-mentioned technical proposal, motor base is fixedly connected with column by connecting rod, on the one hand existed
Can be synchronized with the movement during device integral translation, on the other hand due in main shaft drives end, during plant running, axle
Certain axial movement can be produced by holding vibration between case and variable-frequency motor, testing result be influenceed, by the way that the two is fixedly connected on
Together, the accuracy for due to axial load caused by vibration, improving load test can be reduced.
Preferably, the both ends of the bearing housing each offer the thermometric vibration measuring interface by sensing line connecting detection device.
By using above-mentioned technical proposal, thermometric vibration measuring interface is connected by using detector, bearing housing can be loaded
The temperature of bearing housing and vibration data continuously monitor during experiment, it is ensured that the dependable performance of bearing housing.
In summary, the utility model has the advantages that：
1st, the applying working condition at bearing housing scene can be simulated by the axial loading device and radial direction attachment means of setting,
Apply the radial load suitable with scene and axial load on bearing housing, the running situation of bearing housing continuously monitored,
It can interpolate that whether the performance of bearing housing is reliable, avoid because bearing housing caused by quality problems dismantles the feelings such as depot repair again
The generation of condition, ensure the normal production of client；
2nd, whole load testing machine can be slid axially on base, and the column of spring bearing case can be with
Along line slip is entered perpendicular to axially direction, it is adjusted so as to the bearing housing according to different size, accommodation is wider.
Brief description of the drawings
Fig. 1 is the overall structure diagram of axial flow fan with adjustable moving blades bearing housing load testing machine；
Fig. 2 is the structural representation of prominent bearing housing in axial flow fan with adjustable moving blades bearing housing load testing machine；
Fig. 3 is the structural representation that axial flow fan with adjustable moving blades bearing housing load testing machine protrudes drive device；
Fig. 4 is prominent radial loading device and axially loaded dress in axial flow fan with adjustable moving blades bearing housing load testing machine
The structural representation put.
Reference：1st, base；11st, slideway；12nd, locking bolt；13rd, nut；14th, gag lever post；2nd, bearing housing；21st, stand
Post；22nd, slide rail；221st, chute；23rd, thermometric vibration measuring mouth；3rd, main shaft；4th, drive device；41st, variable-frequency motor；42nd, motor base；
43rd, Hooks coupling universal coupling；44th, connecting rod；5th, radial loading device；51st, radial loaded hydraulic cylinder；52nd, radial loaded head；6th, axially
Loading device；61st, axially loaded hydraulic cylinder；62nd, hydraulic cylinder base；63rd, axially loaded head.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, wherein identical parts identical accompanying drawing
Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of axial flow fan with adjustable moving blades bearing housing load testing machine, as shown in figure 1, including setting bottom on the ground
Seat 1, the bearing housing 2 for being slidably supported on the top of base 1 and the main shaft 3 coordinated with bearing housing 2, wherein, set in the one end of bearing housing 2
The drive device 4 for driving main shaft 3 to rotate is equipped with, the other end is disposed with radial loading device 5 and axial loading device 6.
Base 1 is rectangular, and the length direction on base 1 offers a plurality of slideway 11, and slideway 11 assumes a " convex " shape, for pacifying
Fill experimental provision.
As shown in Fig. 2 bearing housing 2 is cylindrical, it is axially parallel with slideway 11, supports and sets at the both ends of bearing housing 2
There is column 21, supported respectively at the both ends of bearing housing 2 and be provided with two root posts 21, bearing housing 2 is fixed on by column by bolt
On 21, the lower slider of column 21 often held is provided with an one slide rail 22, and slide rail 22 is set perpendicular to slideway 11, and the upside of slide rail 22 is opened
Slided provided with the chute 221 assumed a " convex " shape, in chute 221 and be provided with locking bolt 12, locking bolt 12 is through the bottom of column 21
Column 21 is locked on slide rail 22 by face.
The lower end of slide rail 22 is equidistantly provided with multiple rows of locking bolt 12, and often row's locking bolt 12 is all parallel with slide rail 22 and runs through
The bottom surface of slide rail 22 is slided along slideway 11, two slide rails 12 can be allowed relatively close or remote on slideway, to adapt to the axle of different length
Case 2 is held, the lower slide of locking bolt 12 is connected in slideway 11, and slide rail 22 is fixed on into slideway by tightening nut 13 in upper end
On 11.
As shown in figure 3, drive device 4 includes variable-frequency motor 41 and motor base 42, variable-frequency motor 41 is fixedly installed on electricity
On machine base 42, different frequency driving bearing case 2 can be used for imitating different operating modes, the lock that motor base 42 passes through setting
Determine bolt 12 to be fixed in slideway 11, main shaft 3 is connected close to the one end of variable-frequency motor 41 with variable-frequency motor 21 by Hooks coupling universal coupling 43
Connect.
Two connecting rods 44 are provided between two columns 21 of motor base 42 and close motor base 42, by motor base
42 and column 21 be secured to together, carry out device integrally translate along slideway 11 when can be synchronized with the movement, at the same time, due to locate
In the drive end of main shaft 3, certain axial direction shifting can be produced by being vibrated during plant running, between bearing housing 2 and variable-frequency motor 41
It is dynamic, testing result is influenceed, by the way that the two is fixed together, can reduce due to axial load caused by vibration, improve
The accuracy of load test.
As shown in figure 4, radial loading device 5 includes the radial loaded hydraulic cylinder 51 and radial loaded head being arranged on base
52, radial loaded first 52 is fixedly connected with the piston end of radial loaded hydraulic cylinder 51, and radial loaded first 52 is ring-type, is socketed in master
On axle 3；By the piston end of radial loaded hydraulic cylinder 51 pull downward on radial loaded first 52 to main shaft 3 provide radial loaded power from
And provide radial load to bearing housing 2.
Axial loading device 6 includes axially loaded hydraulic cylinder 61, hydraulic cylinder base 62 and axially loaded first 63, cylinder bottom
Seat 62 is slidably arranged on slideway 11, and it is locked by locking bolt 12；Axially loaded hydraulic cylinder 61 is fixedly installed on
On hydraulic cylinder base 62 and parallel to main shaft 3；Axially loaded first 63 be hollow cylindricality, close located at axially loaded hydraulic cylinder 61
On the piston of the one side of bearing housing 2, connected together with piston, axially loaded first 63 are coaxially disposed with main shaft 3, axially loaded hydraulic pressure
Cylinder 61 provides axially loaded power to main shaft 3.
Spacing hole is equidistantly offered straight down in the bottom of slideway 11（Do not mark）, it is additionally provided with and spacing hole
（Do not mark）The gag lever post 14 of cooperation, when the whole experimental provision of fixation, gag lever post 14 is plugged on along the direction of slideway 11 and position
In the both ends spacing hole of whole experimental provision（Do not mark）It is interior, whole experimental provision is reinforced.
In the circumferential upside of bearing block 2 and thermometric vibration measuring interface 23 is offered positioned at both ends, by thermometric vibration measuring interface
The sensing line communication with detection device connected at 23, the data message being passed to from thermometric vibration measuring interface 23 can be shown on detector, is passed through
Detection data message judges whether the performance of bearing housing 3 is reliable.
During start-up operation, first the bearing housing 2 that need to be surveyed is fixed on column 21, then by column 21 and slide rail 22 with locking
Bolt 12 slides and fixed good position；Main shaft 3 and variable-frequency motor 2 are connected with Hooks coupling universal coupling 43, the other end of main shaft 3 passes through footpath
Abutted to loading head 52 with axially loaded first 63.
Be powered driving variable-frequency motor 41, and variable-frequency motor 41 drives main shaft 3 to rotate, and then driving axial loading hydraulic cylinder 61 is right
Bearing housing 2 applies axially from driving radial loaded hydraulic cylinder 51 applies radial load to bearing housing 2；Bearing housing 2 is connected by working speed
Reforwarding turns more than 8 hours, persistently detects the bearing temperature and vibration data spread out of by thermometric vibration measuring interface 2, inspection data meets
It is required that can just dispatch from the factory, otherwise just need further to check and repair, repeat to test, until qualified.
The utility model by simulating onsite application operating mode, apply on bearing housing 2 radial load suitable with scene and
Axial load, by monitoring bearing temperature and vibration, to judge the performance of bearing housing, filled by using the bearing load test
Put and bearing housing 2 can be detected again before bearing housing 2 is installed, each parts of check bearing case 2 whether there is
Hidden danger, overall to assemble whether quality meets onsite application requirement, the load testing machine is simple in construction, suitable for production scene,
Solve client and occur quality problems caused by not doing load test in a pre-installation and dismantle difficulty with depot repair again
Topic, has certain economic results in society.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of axial flow fan with adjustable moving blades bearing housing load testing machine, including base（1）, be opened in base side by side（1）On
Some slideways（11）, be slidably supported on base（1）The bearing housing of top（2）With bearing housing（2）The main shaft of cooperation（3）, drive
Dynamic main shaft（3）The drive device of rotation（4）, it is characterised in that：The base（1）On in bearing housing（2）Filled away from the driving
Put（4）One end be provided with and drive the main shaft straight down（3）With to main shaft（3）The radial loaded dress of radial loaded power is provided
Put（5）And and main shaft（3）In sustained height and to the drive device（4）Direction promotes main shaft（3）With to main shaft（3）Carry
For the axial loading device of axially loaded power（6）.
2. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 1, it is characterized in that：The radial direction
Loading device（5）Including being socketed in main shaft（3）Away from the drive device（4）The radial loaded head of one end（52）Be arranged on bottom
Seat（1）Upper and piston and the radial loaded head（52）It is fixedly connected to drive the radial loaded head（52）Radial motion so as to
To main shaft（3）Apply the radial loaded hydraulic cylinder of radial loaded power（51）.
3. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 1, it is characterized in that：The axial direction
Loading device（6）Including being slidably supported on base（1）The axially loaded hydraulic cylinder of top（61）It is described axially loaded with being socketed in
Hydraulic cylinder（61）Piston end and with the main shaft（3）The axially loaded head being coaxially disposed（63）.
4. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 1, it is characterized in that：The base
（1）On be provided with two perpendicular to slideway（11）Slide rail（22）, the slide rail（22）Both sides be respectively arranged with corresponding to institute
State slideway（11）Locking bolt（12）, the locking bolt（12）Insert the slideway（11）And its upper end passes through nut（13）
It is fixed.
5. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 4, it is characterized in that：Per one slide rail
（22）On slidably connect at least two root posts（21）, the column（21）It is supported on the bearing housing（2）Lower section.
6. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 5, it is characterized in that：The driving
Device（4）Including along the slideway（11）Slide in base（1）On motor base（42）And it is fixedly arranged on the motor base
（42）Top and main shaft（3）Pass through Hooks coupling universal coupling（43）Couple so as to drive the main shaft（3）The variable-frequency motor of rotation（41）.
7. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 6, it is characterized in that：The motor
Base（42）With the column（21）Between pass through two parallel connecting rods（44）It is fixedly connected.
8. axial flow fan with adjustable moving blades bearing housing load testing machine according to claim 1, it is characterized in that：The bearing
Case（2）Both ends each offer thermometric vibration measuring interface by sensing line connecting detection device（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064376.4U CN207215459U (en) | 2017-08-23 | 2017-08-23 | Axial flow fan with adjustable moving blades bearing housing load testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064376.4U CN207215459U (en) | 2017-08-23 | 2017-08-23 | Axial flow fan with adjustable moving blades bearing housing load testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215459U true CN207215459U (en) | 2018-04-10 |
Family
ID=61816541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721064376.4U Expired - Fee Related CN207215459U (en) | 2017-08-23 | 2017-08-23 | Axial flow fan with adjustable moving blades bearing housing load testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489976A (en) * | 2018-12-20 | 2019-03-19 | 成都天马精密机械有限公司 | New spindle bearing testing machine |
| CN111272425A (en) * | 2020-03-20 | 2020-06-12 | 杭州雅凇科技有限公司 | Speed-adjustable high-speed bearing detection device based on circular motion principle |
-
2017
- 2017-08-23 CN CN201721064376.4U patent/CN207215459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489976A (en) * | 2018-12-20 | 2019-03-19 | 成都天马精密机械有限公司 | New spindle bearing testing machine |
| CN111272425A (en) * | 2020-03-20 | 2020-06-12 | 杭州雅凇科技有限公司 | Speed-adjustable high-speed bearing detection device based on circular motion principle |
| CN111272425B (en) * | 2020-03-20 | 2021-06-15 | 重庆慧聚成江信息技术合伙企业(有限合伙) | Speed-adjustable high-speed bearing detection device based on circular motion principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |