CN209148286U - A kind of damping bearing testing stand - Google Patents
A kind of damping bearing testing stand Download PDFInfo
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- CN209148286U CN209148286U CN201920006854.9U CN201920006854U CN209148286U CN 209148286 U CN209148286 U CN 209148286U CN 201920006854 U CN201920006854 U CN 201920006854U CN 209148286 U CN209148286 U CN 209148286U
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Abstract
This application provides a kind of damping bearing testing stands, the testing stand includes loading mechanism, to the dragging system for the test rotor offer power being installed on loading mechanism, the loading mechanism has at least one static loading point, at least one dynamically load point, at least one gravity compensation load(ing) point, the static loading point is connected with a static loading isolation mounting, the dynamically load point is connected with a dynamic excitation device, and the gravity compensation load(ing) point is connected with a gravity-compensated device.A kind of damping bearing testing stand of the application, this testing stand being capable of response characteristic of the test bearing under dynamic and static coupled load.In order to guarantee that the response of dynamic exciting can be measured well, and dynamic excitation power is enable to transmit well to bearing support structure by loading mechanism, many vibration isolation facilities, the isolation mounting including motor, pedestal, static loading and gravity compensation have also been devised in system.
Description
Technical field
This application involves mechanics experimental equipment field more particularly to a kind of dampings with dynamic and static coupling load function
Bearing test-bed.
Background technique
Damping bearing testing stand is mainly used for carrying out experiment investigation to the characteristic performance of certain damping bearing, collects its key
Operation data.The type test bearing be mainly characterized by can when reducing to a certain degree or decaying unit operation rotor to axis
Hold the vibration force of support construction transmitting.
Summary of the invention
The application technical problems to be solved are to provide a kind of damping bearing test with dynamic and static coupling load function
Platform.
In order to solve the above-mentioned technical problem, this application provides a kind of damping bearing testing stand, the testing stand includes
Loading mechanism provides the dragging system of power to the test rotor being installed on loading mechanism, and the loading mechanism has extremely
Few a static loading point, at least one dynamically load point, at least one gravity compensation load(ing) point, the static loading point with
One static loading isolation mounting is connected, and the dynamically load point is connected with a dynamic excitation device, the gravity compensation
Load(ing) point is connected with a gravity-compensated device.
Preferably, the testing stand further includes a portal frame, and the portal frame includes a crossbeam, the testing stand
It further include the supporting mechanism on the downside of the crossbeam, the pedestal with supporting mechanism one, the loading mechanism passes through peace
Bearing block mounted in thereon is arranged on the pedestal, and the dynamic excitation device is connected to the crossbeam by holder
On, the output end of the dynamic excitation device is connected to the dynamically load point, under the static loading isolation mounting
End is connected on the supporting mechanism, and the upper end of the static loading isolation mounting is connected to the static loading point,
The upper end of the gravity-compensated device is connected on the crossbeam, and the lower end of the gravity-compensated device is connected to described
Gravity compensation load(ing) point.
Preferably, there are two static loading point and two dynamically load points for loading mechanism tool, quiet described in two
State load(ing) point is located at the lower part of the loading mechanism, and dynamically load point described in two is located at the upper of the loading mechanism
Portion, two static loading isolation mountings being connect with static loading point and two dynamic excitation devices pair being connect with dynamically load point
Claim oblique pull on the loading mechanism.
Preferably, the output end of the dynamic excitation device is connect by exciting screw rod with loading mechanism, dynamic excitation device
And exciting screw rod and horizontal direction are in 45° angle.
Preferably, the static loading isolation mounting includes air spring, is fixed on the air spring upper end
It is static load support base, the static load attachment base for being fixed on the air spring lower end, upper on the upside of the static load support base
Connecting plate, the static load pedestal on the downside of the static load attachment base, the upper junction plate and the static load attachment base it
Between be connected by multiple guide posts, be connected between the static load support base and the static load pedestal by multiple connecting rods
It connects, multiple linear bearings is additionally provided on the static load support base, multiple guide posts are each passed through the linear axis
It holds, and the guide post can be slided along the linear bearing, the static load Its lower side, which is also connected with, to be connected
Plate, the lower connecting plate and the fixation wallboard are hinged, and the fixation wallboard is fixedly connected on the supporting mechanism
On, the upper junction plate is hinged with the loading mechanism 2.
Preferably, the gravity-compensated device is a flexible connector, and the gravity-compensated device is located at two institutes
Between the dynamic excitation device stated.
Preferably, multiple vibration isolation are provided on the downside of the supporting mechanism and between dragging system and the pedestal
Device.
Preferably, the supporting mechanism surrounding is provided with multiple dampers, and the upper end of the damper is connected to institute
On the side wall for the supporting mechanism stated, the lower end of the damper is connected to ground.
Preferably, the dragging system includes a motor, is provided with test bearing on the loading mechanism.
A kind of damping bearing testing stand of the application, this testing stand can test bearing under dynamic and static coupled load
Response characteristic.In order to guarantee that the response of dynamic exciting can be measured well, and dynamic excitation power is enable to pass through load
Mechanism is transmitted to bearing support structure well, and many vibration isolation facilities have also been devised in system, including motor, pedestal, static state add
Carry the isolation mounting with gravity compensation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the testing stand of the application；
Fig. 2 is the structural schematic diagram of the loading mechanism of the application；
Fig. 3 is the dynamic excitation device mounting structure schematic diagram of the application；
Fig. 4 is the mounting structure schematic diagram of the static loading isolation mounting of the application；
Fig. 5 is the gravity-compensated device scheme of installation of the application；
Fig. 6 is the bearing pedestal vibration insulation structure schematic diagram of the application；
Fig. 7 is the motor vibration insulation structure schematic diagram of the application,
Wherein: 1, dragging system；2, loading mechanism；3, dynamic excitation device；4, static loading isolation mounting；5, gravity compensation
Device；6, isolation mounting；7, pedestal；8, portal frame；
21, rotor is tested；22, test bearing；23, static loading point；24, gravity compensation load(ing) point；25, dynamically load
Point；81, holder；71, supporting mechanism；72, damper；73, fixed wallboard.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown, this application provides a kind of damping bearing testing stand, the testing stand include loading mechanism 2, to
The test rotor 21 being installed on loading mechanism 2 provides the dragging system 1 of power, and the loading mechanism 2 has at least one
Static loading point 23, at least one dynamically load point 25, at least one gravity compensation load(ing) point 24, the static loading point 23
It is connected with a static loading isolation mounting 4, the dynamically load point 25 is connected with a dynamic excitation device 3, the weight
Force compensating load(ing) point 24 is connected with a gravity-compensated device 5.The dragging system 2 includes a motor, the load machine
Test bearing 12 is provided on structure 2.
The tool of loading mechanism 2 is there are two static loading point 23 and two dynamically load points 25, static state described in two
Load(ing) point 23 is located at the lower part of the loading mechanism 2, and dynamically load point 25 described in two is located at the loading mechanism 2
Top, two static loading isolation mountings 4 being connect with static loading point 23 and two dynamics being connect with dynamically load point 25
3 symmetrical inclined of vibration excitor is pulled on the loading mechanism 2.
The output end of the dynamic excitation device 3 is connect by exciting screw rod with loading mechanism 2, dynamic excitation device 3 and sharp
Vibration screw rod and horizontal direction are in 45° angle.The each power output of dynamic excitation device 3 size is adjusted, the conjunction of 360 ° of range internal force may be implemented
At.
The static loading isolation mounting 4 includes air spring, the static load branch for being fixed on the air spring upper end
Support seat, the static load attachment base for being fixed on the air spring lower end, the upper junction plate on the upside of the static load support base,
Static load pedestal on the downside of the static load attachment base, by more between the upper junction plate and the static load attachment base
A guide post is connected, and is connected between the static load support base and the static load pedestal by multiple connecting rods, described
Multiple linear bearings are additionally provided on static load support base, multiple guide posts are each passed through the linear bearing, and described
Guide post can be slided along the linear bearing, the static load Its lower side is also connected with a lower connecting plate, described
Lower connecting plate and the fixation wallboard 73 are hinged, and the fixation wallboard 73 is fixedly connected with the supporting mechanism 71, institute
The upper junction plate stated is hinged with the loading mechanism 2.When being inflated by air valve to air spring, relative to loading mechanism 2
This device generates a fixed pulling force, realizes static loading, while can also completely cut off dynamic excitation power to branch by air spring
Vibration isolation is realized in the propagation of support mechanism 71；In system, linear bearing plays guiding role, limits torsion and the beat of whole device,
Entire static loading isolation mounting 4 is set to keep good deformation.
The gravity-compensated device 5 is a flexible connector, and the gravity-compensated device 5 is moved positioned at described in two
Between state vibration excitor 3.This flexible connector can reduce dynamic excitation power to portal frame in addition to weight compensating effect
8 propagation, plays vibration isolation.
The exciting force that dynamic excitation device 3 generates in order to prevent is propagated by portal frame 8 to basis and bearing pedestal 7, interference
System carries out dynamic test.Multiple isolation mountings 6 are provided on the downside of the supporting mechanism 71, which selects lathe
Parallels can effectively reduce pilot system due to being generated shaking by cross force.
71 surrounding of supporting mechanism is provided with multiple dampers 72, and the upper end of the damper 72 is connected to described
Supporting mechanism 71 side wall on, the lower end of the damper 72 is connected to ground.The damper 72 is for controlling base
7 stability of frame, the bonding force that anti-locking system passes over when running lead to its beat.
It vibrates caused by motor operation and is propagated to testing stand pedestal 7 in order to prevent, interfere pickup system to dynamic exciting
Response, between dragging system 1 and the pedestal 7 be provided with multiple isolation mountings 6, the isolation mounting 6 select rubber vibration isolation
Device, isolation frequency 8-10Hz individually carry 200kg, and low frequency shaking is small, is able to bear certain offset loading force.
A kind of damping bearing testing stand of the application, this testing stand can test bearing under dynamic and static coupled load
Response characteristic.In order to guarantee that the response of dynamic exciting can be measured well, and dynamic excitation power is enable to pass through load
Mechanism 2 is transmitted to bearing support structure well, and many vibration isolation facilities have also been devised in system, including motor, pedestal, static state add
Carry the isolation mounting with gravity compensation.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application
Protection scope within.The protection scope of the application is subject to claims.
Claims (9)
1. a kind of damping bearing testing stand, which is characterized in that the testing stand includes loading mechanism, to being installed on loading mechanism
On test rotor provide power dragging system, the loading mechanism have at least one static loading point, at least one
Dynamically load point, at least one gravity compensation load(ing) point,
The static loading point is connected with a static loading isolation mounting,
The dynamically load point is connected with a dynamic excitation device,
The gravity compensation load(ing) point is connected with a gravity-compensated device.
2. a kind of damping bearing testing stand as described in claim 1, which is characterized in that the testing stand further includes a gantry
Frame, the portal frame include a crossbeam, and the testing stand further includes the supporting mechanism and branch on the downside of the crossbeam
The pedestal that support mechanism is wholely set, the loading mechanism are arranged on the pedestal by bearing block mounted thereto,
The dynamic excitation device is connected on the crossbeam by holder, and the output end of the dynamic excitation device is connected to described
Dynamically load point, the lower end of the static loading isolation mounting is connected on the supporting mechanism, and the static state adds
The upper end of loading vibration isolation device is connected to the static loading point, and the upper end of the gravity-compensated device is connected to the cross
Liang Shang, the lower end of the gravity-compensated device are connected to the gravity compensation load(ing) point.
3. a kind of damping bearing testing stand as claimed in claim 2, which is characterized in that there are two quiet for the loading mechanism tool
State load(ing) point and two dynamically load points, static loading point described in two are located at the lower part of the loading mechanism, two institutes
The dynamically load point stated is located at the top of the loading mechanism, two static loading isolation mountings connecting with static loading point
And two dynamic excitation device symmetrical inclineds connecting with dynamically load point are pulled on the loading mechanism.
4. a kind of damping bearing testing stand as claimed in claim 3, which is characterized in that the output end of the dynamic excitation device
It is connect by exciting screw rod with loading mechanism, dynamic excitation device and exciting screw rod and horizontal direction are in 45° angle.
5. a kind of damping bearing testing stand as claimed in claim 2, which is characterized in that the static loading isolation mounting packet
It includes air spring, the static load support base for being fixed on the air spring upper end, be fixed on the quiet of the air spring lower end
Carry attachment base, the upper junction plate on the upside of the static load support base, the static load bottom on the downside of the static load attachment base
Seat, be connected between the upper junction plate and the static load attachment base by multiple guide posts, the static load support base and
It is connected between the static load pedestal by multiple connecting rods, is additionally provided with multiple linear axis on the static load support base
It holds, multiple guide posts are each passed through the linear bearing, and the guide post can be sliding along the linear bearing
Dynamic, the static load Its lower side is also connected with a lower connecting plate, and the lower connecting plate and fixed wallboard are hinged, and described consolidates
Determine wallboard to be fixedly connected on the supporting mechanism, the upper junction plate is hinged with the loading mechanism.
6. a kind of damping bearing testing stand as claimed in claim 3, which is characterized in that the gravity-compensated device is a bullet
Property connector, the gravity-compensated device be located at two described between dynamic excitation device.
7. a kind of damping bearing testing stand as claimed in claim 2, which is characterized in that on the downside of the supporting mechanism and drag
Multiple isolation mountings are provided between dynamic system and the pedestal.
8. a kind of damping bearing testing stand as claimed in claim 2, which is characterized in that the supporting mechanism surrounding is provided with
Multiple dampers, the upper end of the damper are connected on the side wall of the supporting mechanism, the lower end of the damper
It is connected to ground.
9. a kind of damping bearing testing stand as described in claim 1, which is characterized in that the dragging system includes an electricity
Machine is provided with test bearing on the loading mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006854.9U CN209148286U (en) | 2019-01-03 | 2019-01-03 | A kind of damping bearing testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006854.9U CN209148286U (en) | 2019-01-03 | 2019-01-03 | A kind of damping bearing testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148286U true CN209148286U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920006854.9U Active CN209148286U (en) | 2019-01-03 | 2019-01-03 | A kind of damping bearing testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855175A (en) * | 2020-07-15 | 2020-10-30 | 苏州东菱振动试验仪器有限公司 | Damping test equipment and control system thereof |
-
2019
- 2019-01-03 CN CN201920006854.9U patent/CN209148286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855175A (en) * | 2020-07-15 | 2020-10-30 | 苏州东菱振动试验仪器有限公司 | Damping test equipment and control system thereof |
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