CN206311311U - A kind of mechanical transmission-type rotor rubbing testing stand - Google Patents
A kind of mechanical transmission-type rotor rubbing testing stand Download PDFInfo
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- CN206311311U CN206311311U CN201621300127.6U CN201621300127U CN206311311U CN 206311311 U CN206311311 U CN 206311311U CN 201621300127 U CN201621300127 U CN 201621300127U CN 206311311 U CN206311311 U CN 206311311U
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 239000006247 magnetic powder Substances 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
A kind of mechanical transmission-type rotor rubbing testing stand, including rotor assembly and force application mechanism；Force application mechanism includes force application mechanism base, slide unit, force application mechanism motor, Y-direction dynamic torque sensor, force wheel, force axle, X to dynamic torque sensor and magnetic powder brake.The testing stand is touched to rotating disk force replacement by the wheel that exerts a force and rubs nail or touch the post that rubs, and realizes the controllable loading for touching experiment normal direction impact force of rubbing.The testing stand is using magnetic powder brake as safety guard; when the moment of torsion that tangential friction force acts on force wheel is more than or equal to the Safety output moment of torsion of magnetic powder brake; force wheel can drive force axle to start to rotate; rolling friction is a little changed into by sliding friction so that touching and rubbing; reduce influence of the tangential friction force to force wheel, it is to avoid touch and rub nail or touch the potential safety hazard of the post fracture that rubs.Rotor assembly is arranged on support by inverted T shape groove, the restructural of different model rotating disk, rotating shaft has been conveniently realized, the versatility of testing stand is improve.
Description
Technical field
The utility model is related to a kind of mechanical transmission-type rotor rubbing testing stand, belongs to rotating machinery modelling technique neck
Domain.
Background technology
Rotating machinery refers to the machine being operated by rotor rotational movement, is made up of parts such as rotor, bearings.Turn
Son as rotating machinery critical piece, with stator touch rub be occur most frequently in rotating machinery be also very disruptive one kind
Failure.By rotor rubbing testing stand model rotor impact-rub malfunction, research difference touches the running status of rotating machinery under the degree of rubbing,
There is important practical significance for the generation of prevention rotating machinery bump-scrape accident.
Nail or touch the parts such as the post that rubs and carry out touching simulated test of rubbing using touching to rub more than rotor rubbing experimental rig, manually or
The mode that hydraulic pressure is loaded automatically adjusts to touch to rub follows closely or touches the normal direction impact force of rub post and rotor, touches tangential friction force when rubbing and then adopts
Measured with foil gauge；It is disadvantageous in that, though can realize the automatic of normal direction impact force by the way of hydraulic cylinder loading
Regulation, but the supporting hydraulic system of hydraulic cylinder can increase the floor space of experimental rig, while the system for increasing experimental rig
Debugging difficulty；With rotor touch rubbing using touching to rub nail or touch the post that rubs, when the normal direction impact force for touching the test requirements document that rubs is excessive, hold
Easily cause the overload of tangential friction force, rub potential safety hazard of the post in the presence of fracture, existing experimental rig are followed closely or touch so as to cause to touch to rub
It is difficult to meet the demand for security that high intensity touches the experiment that rubs.
Utility model content
The purpose of this utility model is to provide a kind of mechanical transmission-type rotor rubbing testing stand, can more accurate, safety
Simulation rotating machinery bump-scrape failure, for prevention rotating machinery bump-scrape accident provides more reliable test basis.
It is as follows that the utility model solves the technical scheme that its technical problem used：
A kind of mechanical transmission-type rotor rubbing testing stand, including rotor assembly, force application mechanism and support；Rotor assembly includes
Rotating disk, rotating shaft and rotor motor, it is characterised in that:Described force application mechanism includes force application mechanism base, slide unit, force machine
Structure motor, Y-direction dynamic torque sensor, force wheel, force axle, X are to dynamic torque sensor and magnetic powder brake；Force axle leads to
Cross bearing to be arranged on force frame, force axle, X are connected between dynamic torque sensor and magnetic powder brake by shaft coupling,
Force frame, X are arranged on slide unit to dynamic torque sensor and magnetic powder brake；Slide unit is by force application mechanism guideway and force
Mechanism base is connected, and is connected with one end of Y-direction dynamic torque sensor by force application mechanism lead screw pair, and Y-direction dynamic torque is passed
The other end of sensor is connected with force application mechanism motor；The center of circle of the force wheel is maintained at same level with the center of circle of rotating disk；
Force application mechanism base is connected by travel mechanism's guideway with support, and force application mechanism base passes through travel mechanism's lead screw pair and movement
Mechanism motor is connected.
Preferably, two parallel inverted T shape grooves are provided with support, rotor assembly is connected by inverted T shape groove with support.
Preferably, the rotor rubbing testing stand also includes travel mechanism's base, and travel mechanism's base is fixed on support,
Force application mechanism base is arranged on travel mechanism's base by travel mechanism's guideway, is set between travel mechanism's base and support
Having makes the center of circle of force wheel be maintained at the governor motion of same level with the center of circle of rotating disk.
Preferably, described governor motion is made up of backing plate and regulating bolt.
The utility model compared with prior art, with advantages below and beneficial effect：Scheme of the present utility model is being entered
During row experiment, exerted a force to rotating disk indirectly by force application mechanism motor using mechanically operated structure, realize and touch experiment normal direction of rubbing
The controllable loading of impact force；Testing stand by exert a force wheel give rotating disk exert a force, with using touch rub nail or touch rub post exert a force compared with, force
What wheel can bear touches that force intensity of rubbing is high, and any point of force wheel excircle can be used as the point of application, and the abrasion of the wheel that exerts a force is non-
It is often small, can for a long time maintain high accuracy, the durability of test facilities is better than and nail or touched by the way of the post fixing point that rubs exerts a force using touching to rub；
2. using magnetic powder brake as safety guard, when the moment of torsion that tangential friction force acts on force wheel is more than or equal to magnetic system
During the Safety output moment of torsion of dynamic device, illustrate that the tangential friction force that experiment is produced is excessive, easily trigger test incident, now, force
Wheel can drive force axle to start to rotate, and be a little changed into rolling friction by sliding friction so that touching and rub, and reduce tangent direction friction
Influence of the power to force wheel, it is to avoid the generation of test incident, rubs nail or touches the force mechanism of the post that rubs according to touching, then can not keep away
The presence exempted from is touched and rubs nail or touch the potential safety hazard that the post that rubs is broken.Therefore, the utility model device is carrying out rotating machinery bump-scrape event
During barrier simulated test, can conveniently, safely, accurate, the reliable control of normal direction impact force is achieved at low cost, so that for pre- anti-rotational
The generation that machinery touches the accident of rubbing provides more reliable test basis.3. this testing stand passes through bearing holder (housing, cover) and axle using the bearing of rotating shaft
Hold mounting seat be connected, bearing mounting base by bolt be arranged on support inverted T shape groove on, travel mechanism's base pass through governor motion
The mounting means being connected with support, has conveniently realized the restructural of different model rotating disk, rotating shaft, improves the general of testing stand
Property.
Brief description of the drawings
Fig. 1 is that a kind of structural principle of mechanical transmission-type rotor rubbing testing stand embodiment that the utility model is provided is illustrated
Figure.
In figure：1- supports；2- backing plates；3- travel mechanisms guideway；4- travel mechanisms base；5- force application mechanism bases；6-
Force application mechanism motor；7- force application mechanism guideways；8- slide units；9- force framves；10- force wheels；11- force axles；12- rotating shafts；13-
Rotating disk；14- bearing mounting bases；15- rotor motors；16- bearing holder (housing, cover)s；17- inverted T shape grooves；18- magnetic powder brakes；19-X to
Dynamic torque sensor；20- force application mechanism lead screw pair；21- travel mechanisms motor；22- travel mechanisms lead screw pair；23-Y is to dynamic
Torque sensor.
Specific embodiment
Structure of the present utility model, principle and the course of work are further described below in conjunction with the accompanying drawings
Referring to a kind of mechanical transmission-type rotor rubbing testing stand that Fig. 1, the utility model are provided, including support 1, rotor set
Part and force application mechanism, rotor assembly include rotating disk 13, rotating shaft 12 and rotor motor 15, and described force application mechanism includes force
Mechanism base 5, slide unit 8, force application mechanism motor 6, Y-direction dynamic torque sensor 23, force frame 9, force wheel 10, force axle 11, X
To dynamic torque sensor 19 and magnetic powder brake 18；Force axle 11 by bearing be arranged on force frame 9 on, force axle 11, X to
It is connected by shaft coupling between dynamic torque sensor 19 and magnetic powder brake 18, force frame 9, X is to dynamic torque sensor 19
It is arranged on slide unit 8 with magnetic powder brake 18.
Slide unit 8 is connected by force application mechanism guideway 7 with force application mechanism base 5, and the slide unit 8 simultaneously passes through force application mechanism leading screw
Secondary 20 are connected with one end of Y-direction dynamic torque sensor 23, the other end and the force application mechanism electricity of the Y-direction dynamic torque sensor 23
Machine 6 is connected；The center of circle of the force wheel 10 is maintained at same level with the center of circle of rotating disk 13；Force application mechanism base 5 is by moving
Motivation structure guideway 3 is connected with support 1, and force application mechanism base 5 is by travel mechanism's lead screw pair 22 and the phase of travel mechanism motor 21
Even.
Easily to realize the restructural of different model rotating disk 13, rotating shaft 12, the versatility of testing stand is improved, can be in machine
Two parallel inverted T shape grooves 17 are opened up on seat 1, rotor motor 15, bearing mounting base 14 in rotor assembly are passed through into inverted T shape
Groove 17 is connected with support 1..
In experimentation, in order that the center of circle of force wheel 10 is maintained in same level with the center of circle of rotating disk 13, should
Rotor rubbing testing stand also includes travel mechanism's base 4, and travel mechanism's base 4 is fixed on support 1, force application mechanism base 5
It is arranged on travel mechanism's base 4 by travel mechanism's guideway 3, regulation machine is set between travel mechanism's base 4 and support 1
Structure, the center of circle and the center of circle of rotating disk 13 of conveniently adjusted force wheel 10 are maintained at the same horizontal plane.In the present embodiment, machine is adjusted
Structure is used and is made up of backing plate 2 and regulating bolt.
When needing to change the rotating disk 13, rotating shaft 12 of different model, bearing mounting base 14 only need to be adjusted in inverted T shape groove 17
Position, replacing and the supporting bearing holder (housing, cover) 16 of the bearing of rotating shaft 12, adjustment are arranged on the regulation between travel mechanism's base 4 and support 1
Mechanism is to be capable of achieving rotating disk 13, the restructural of rotating shaft 12
Normal direction impact force and tangential is gathered to dynamic torque sensor 19 by Y-direction dynamic torque sensor 23 and X respectively
The torque signal that frictional force is produced, is prevention whirler so as to obtain the test data needed for studying rotating machinery bump-scrape failure
The generation that tool touches the accident of rubbing provides more reliable test basis.
Principle of the present utility model and the course of work are as follows：
According to rotating disk 13 to be tested, the size of rotating shaft 12, adjustment is arranged on the tune between travel mechanism's base 4 and support 1
Section mechanism, makes the center of circle of force wheel 10 be maintained at same level with the center of circle of rotating disk 13；Travel mechanism's motor 21 drives movement
Mechanism's lead screw pair 22 is rotated so as to drive force application mechanism base 5 to be moved along travel mechanism's guideway 3, when force wheel 10 and rotating disk 13
When circumscribed, travel mechanism's motor 21 stops operating and keeps self-locking state；Test requirements document of the rotor motor 15 according to user
Drive shaft 12 is rotated so as to drive rotating disk 13；The change curve of the normal direction impact force set according to user, real-time control force
The size of the output torque of mechanism motor 6, by the wheel 10 that exerts a force to the applying power of rotating disk 13 so that realize touching palm-rubbing technique to impact force by with
Family changes in demand, to simulate the various operating modes of rotating machinery bump-scrape failure；According to the tangent direction friction force threshold that user sets, pass through
Calculate the product of tangent direction friction force threshold and force 10 radiuses of wheel, so as to obtain the Safety output moment of torsion of magnetic powder brake 18, control
The output torque of magnetic powder brake processed 18 is Safety output moment of torsion and is acted on force wheel 10 by the axle 11 that exerts a force.When experiment is produced
When raw tangential friction force is less than the tangent direction friction force threshold of input, force wheel 10 is in locking state, and exert a force the circumscribed of wheel 10
Point touch rubbing with the external peripheral surface of rotating disk 13, now touch rub a little be sliding friction, touch the experiment that rubs and be normally carried out and gather experiment
Data；When tangent direction friction force threshold of the tangential friction force that experiment is produced more than or equal to input, illustrate that experiment is produced tangential
Frictional force is excessive, easily triggers experimental safe hidden danger, and now, force wheel 10 can drive force axle 11 to start to rotate, so that
Touch to rub and rolling friction is a little changed into by sliding friction, reduce influence of the tangential friction force to force wheel 10, touch the off-test that rubs.
Claims (4)
1. a kind of mechanical transmission-type rotor rubbing testing stand, including rotor assembly, force application mechanism and support (1)；Rotor assembly bag
Include rotating disk (13), rotating shaft (12) and rotor motor (15), it is characterised in that:Described force application mechanism includes force application mechanism bottom
Seat (5), slide unit (8), force application mechanism motor (6), Y-direction dynamic torque sensor (23), force wheel (10), force axle (11), X to
Dynamic torque sensor (19) and magnetic powder brake (18)；Force axle (11) is arranged in force frame (9) by bearing, and exert a force axle
(11), X is connected between dynamic torque sensor (19) and magnetic powder brake (18) by shaft coupling, and force frame (9), X are to dynamic
State torque sensor (19) and magnetic powder brake (18) are on slide unit (8)；
Slide unit (8) is connected by force application mechanism guideway (7) with force application mechanism base (5), slide unit (8) and by force application mechanism silk
Thick stick pair (20) is connected with one end of Y-direction dynamic torque sensor (23), the other end and the force of Y-direction dynamic torque sensor (23)
Mechanism motor (6) is connected；The center of circle of force wheel (10) is maintained at same level with the center of circle of rotating disk (13)；Force application mechanism
Base (5) is connected by travel mechanism's guideway (3) with support (1), and force application mechanism base (5) is by travel mechanism's lead screw pair
(22) it is connected with travel mechanism's motor (21).
2. a kind of mechanical transmission-type rotor rubbing testing stand according to claim 1, it is characterised in that：Support is opened on (1)
There are two parallel inverted T shape grooves (17), rotor assembly is connected by inverted T shape groove (17) with support (1).
3. a kind of mechanical transmission-type rotor rubbing testing stand according to claim 1 and 2, it is characterised in that：The rotor is touched
The testing stand that rubs also includes travel mechanism's base (4), and travel mechanism's base is fixed on support (1), and force application mechanism base (5) leads to
Cross travel mechanism's guideway (3) to be arranged on travel mechanism's base (4), being provided with and support between in travel mechanism's base (4) makes
The center of circle of force wheel (10) is maintained at the governor motion of same level with the center of circle of rotating disk (13).
4. a kind of mechanical transmission-type rotor rubbing testing stand according to claim 3, it is characterised in that：Described regulation machine
Structure is made up of backing plate (2) and regulating bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300127.6U CN206311311U (en) | 2016-11-30 | 2016-11-30 | A kind of mechanical transmission-type rotor rubbing testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300127.6U CN206311311U (en) | 2016-11-30 | 2016-11-30 | A kind of mechanical transmission-type rotor rubbing testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311311U true CN206311311U (en) | 2017-07-07 |
Family
ID=59249395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621300127.6U Expired - Fee Related CN206311311U (en) | 2016-11-30 | 2016-11-30 | A kind of mechanical transmission-type rotor rubbing testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973099A (en) * | 2023-07-11 | 2023-10-31 | 南京理工大学 | Be applied to controllable frictional force adjusting device of servo loading test bench |
-
2016
- 2016-11-30 CN CN201621300127.6U patent/CN206311311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973099A (en) * | 2023-07-11 | 2023-10-31 | 南京理工大学 | Be applied to controllable frictional force adjusting device of servo loading test bench |
| CN116973099B (en) * | 2023-07-11 | 2024-02-27 | 南京理工大学 | Be applied to controllable frictional force adjusting device of servo loading test bench |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |