CN207976283U - A kind of combined electromagnetic loading device for water lubriucated bearing experiment - Google Patents
A kind of combined electromagnetic loading device for water lubriucated bearing experiment Download PDFInfo
- Publication number
- CN207976283U CN207976283U CN201820380175.3U CN201820380175U CN207976283U CN 207976283 U CN207976283 U CN 207976283U CN 201820380175 U CN201820380175 U CN 201820380175U CN 207976283 U CN207976283 U CN 207976283U
- Authority
- CN
- China
- Prior art keywords
- iron core
- holder
- water lubriucated
- lubriucated bearing
- dovetail groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model discloses a kind of combined electromagnetic loading devices for water lubriucated bearing experiment, the holder being oppositely arranged including two, it is respectively equipped with iron core on two holders, iron core is inclined on holder, in 90 ° of settings between two iron cores, and loading axis is equipped between two iron cores, iron core has been externally wrapped with electromagnetic coil, the contact position of each iron core and holder is equipped with pull pressure sensor, and the bottom of each holder is equipped with guide groove, micro-adjusting mechanism is equipped between two holders.It is load simulated under real working condition during the utility model is used for water lubriucated bearing research and tests.
Description
Technical field
The utility model belongs to bearing in rotating machinery monitoring and diagnostic techniques field, is related to a kind of for water lubriucated bearing examination
The combined electromagnetic loading device tested.
Background technology
Water lubriucated bearing is to use sliding bearing of the water as lubricant, due to its have green, low consumption with it is wear-resisting etc. excellent
Point can effectively avoid the seal failure of oil-lubricated bearing, the problems such as temperature is excessively high and excessive friction is worn, be widely used in ship
In the hydraulic mechanical equipments such as oceangoing ship, the hydraulic turbine, water pump；Especially in recent years, global resources become increasingly conspicuous with environmental problem, in order to protect
The natural environments such as limited rivers,lakes and seas are protected, hot issue is increasingly becoming to the research and application of water lubriucated bearing, has been obtained general
All over concern.Water lubriucated bearing is typically all band load operation, can also be in the extreme operating conditions such as various shock and vibrations once in a while,
This proposes high requirement to bearing performance, and it is all to be also formed construction design of journal bearings, material selection, vibration and lubrication mechanism etc.
More research directions and project.In water lubriucated bearing characteristic research, how to simulate the various load under real working condition and study it
Influence to bearing performance is key link, thus can accurately obtain bearing relevant featuring parameters and its influence factor and be advised with transformation
Rule further to design bearing and can use offer important references；Therefore, the design of loading device just seems particularly important.
Currently, the loading device of water lubriucated bearing generally still uses traditional mechanically or hydraulically design, i.e. contact
Load；Traditional load mode with bearing or axis due to directly contacting, and there are vibration, noise, fever, fretting wear and loss are larger
The problems such as, it is serious in addition influence shafting operation and test result.Recent some scholars are according to electromagnetic bearing or solenidal electromagnet
It is proposed for sliding bearing electromagnetism loading scheme and device, have the characteristics that it is contactless load, without wear, but there is also with
Lower problem：1. existing electromagnetic loading device is primary design molding, i.e., device can only be directed to certain bearing or axis is loaded, and wrap
It includes structure, coil turn and maximum load power and has been designed to definite value, can not change, do not have versatility, limit it and use model
It encloses；2. the driving of electromagnetic loading device is open loop structure with control system, manual adjustment coil voltage or electric current, Wu Fabao are needed
The real-time dynamic regulation of electromagnetism loading force is demonstrate,proved, and error can be introduced, influences test accuracy.
Utility model content
The purpose of this utility model is to provide a kind of combined electromagnetic loading device for water lubriucated bearing experiment, is used for
Water lubriucated bearing study with test in it is load simulated under real working condition.
The utility model is the technical scheme adopted is that a kind of combined electromagnetic load dress for water lubriucated bearing experiment
It sets, including two holders being oppositely arranged, iron core is respectively equipped on two holders, iron core is inclined on holder, two iron
In 90 ° of settings between core, and loading axis is equipped between two iron cores, iron core has been externally wrapped with electromagnetic coil, each iron core with
The contact position of holder is equipped with pull pressure sensor, and micro-adjusting mechanism is equipped between two holders.
The utility model is also characterized by
The shape of holder is isosceles right triangle, and iron core is arranged on the bevel edge of holder.
Dovetail groove A is equipped at the bevel edge center of holder, the bottom of iron core is in dovetail groove A, and the bottom shape of iron core
It is adapted with the shape of dovetail groove A, pull pressure sensor is arranged in the bottom of dovetail groove A.
Loading axis is equipped with axle sleeve, is equipped with iron core head between iron core and axle sleeve, and one end of iron core head is close to axle sleeve, and iron core
The end face of the paraxial set of head rest is arc surface, and the other end of iron core head is connect with iron core, and the joint face of iron core and iron core head is equipped with
Dovetail groove B, one end end surface shape that iron core head is connect with iron core and the shape of dovetail groove B are adapted.
Micro-adjusting mechanism includes horizontally disposed leading screw, and the both ends of leading screw are respectively equipped with oppositely oriented external screw thread, and leading screw
One end be connected through a screw thread nut A, the other end of leading screw is connected through a screw thread nut B, nut A and nut B and is separately fixed at
On two holders, the centre of leading screw is equipped with regulation handle jack.
The utility model has the beneficial effects that by the cooperation of iron core and iron core head, two holder displacements are adjustable and line
The adjustable mode of total number of turns is enclosed, non-contact load can be realized to different curvature axis, and then realize the load to water lubriucated bearing, and
Can be achieved according to different test requests to electromagnetism iron electromagnet loading force it is real-time monitoring with dynamic auto adjusting, have versatility and
The advantages of high degree of automation.
Description of the drawings
Fig. 1 is a kind of structural representation of combined electromagnetic loading device for water lubriucated bearing experiment of the utility model
Figure；
Fig. 2 is added to loading axis in a kind of combined electromagnetic loading device for water lubriucated bearing experiment of the utility model
Carry the circuit diagram that power size is adjusted；
Fig. 3 is the structural schematic diagram of power circuit in Fig. 2.
In figure, 1. holders, 2. iron cores, 3. electromagnetic coils, 4. loading axis, 5. pull pressure sensor, 6. dovetail groove A, 7. iron
Core print, 8. dovetail groove B, 9. axle sleeves, 10. leading screws, 11. nut A, 12. nut B, 13. regulation handle jacks, 14. power circuits；
15. preposing signal process circuit, 15-1. charge amplifying circuits, 15-2. filter circuits；
16. microcontroller.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of combined electromagnetic loading device for water lubriucated bearing experiment of the utility model, as shown in Figure 1, including two
A holder 1 being oppositely arranged is respectively equipped with iron core 2 on two holders 1, and iron core 2 is inclined on holder 1, two iron cores 2 it
Between in 90 ° of settings, and loading axis 4 is equipped between two iron cores 2, iron core 2 has been externally wrapped with electromagnetic coil 3, each iron core 2 with
The contact position of holder 1 is equipped with pull pressure sensor 5, and micro-adjusting mechanism is equipped between two holders 1.
The shape of holder 1 is isosceles right triangle, and iron core 2 is arranged on the bevel edge of holder 1.
Dovetail groove A6 is equipped at the bevel edge center of holder 1, the bottom of iron core 2 is in dovetail groove A6, and the bottom of iron core 2
Shape and the shape of dovetail groove A6 are adapted, and pull pressure sensor 5 is arranged in the bottom of dovetail groove A6.
Loading axis 4 is equipped with axle sleeve 9, and iron core head 7 is equipped between iron core 2 and axle sleeve 9 (to be had between iron core head 7 and axle sleeve 9
Certain interval), one end of iron core head 7 is close to axle sleeve 9, and iron core head 7 is arc surface close to the end face of axle sleeve 9, iron core head 7 it is another
One end is connect with iron core 2, and iron core 2 and the joint face of iron core head 7 are equipped with dovetail groove B8, one end that iron core head 7 is connect with iron core 2
End surface shape and the shape of dovetail groove B8 are adapted.
Micro-adjusting mechanism includes horizontally disposed leading screw 10, and the both ends of leading screw 10 are respectively equipped with oppositely oriented external screw thread, and
One end of leading screw 10 is connected through a screw thread nut A11, and the other end of leading screw 10 is connected through a screw thread nut B12, nut A11 and spiral shell
Female B12 is separately fixed on two holders 1, and the centre of leading screw 10 is equipped with regulation handle jack 13.
The model SD1422 type piezoelectric quartz force sensors of pull pressure sensor 5.
Electromagnetic coil 3 uses enamel-cover copper conductor, as shown in Fig. 2, pull pressure sensor 5 is also sequentially connected preposing signal process circuit
15, microcontroller 16 and power circuit 14, power circuit 14 connect electromagnetic coil 3.
Preposing signal process circuit 15 includes charge amplifying circuit 15-1 and filter circuit 15-2.
The model MAX297 of filtering chip in filter circuit 15-2；Charge amplifying circuit 15-1 is existing universal circuit.
Chip model in microcontroller 16 is TI MSP430F1611.
The structural schematic diagram of power circuit 14 is as shown in figure 3, VCCin input direct-current voltages, pass through capacitor C2, electricity successively
Feel coil L1, capacitor C3 and capacitor C4 is filtered after removing noise, the voltage output DVCC stablized.
On the table by present apparatus installation, when loading axis 4 is located between two iron cores 2, for different curvature radius
Loading axis 4, select the iron core head 7 of corresponding curvature and connected with iron core 2, two holders are then adjusted by micro-adjusting mechanism
Relative position between 1 makes to reach prepsetting gap between iron core head 7 and axle sleeve 9, and the bottom of holder 1 is equipped with bolt hole, two branch
After position between frame 1 regulates, holder 1 is fixed on the pedestal with T-slot by bolt passing through bolt hole.
The specific regulative mode of micro-adjusting mechanism is：Since the thread rotary orientation at 10 both ends of leading screw is on the contrary, regulation handle is inserted into
In regulation handle jack 13, since nut A11 and nut B12 is separately fixed on two holders 1, by regulation handle towards one
After direction rotational lead screw 10, two 1 opposite bases of holder can move toward one another or simultaneously away from movement, to adjust 7 He of iron core head
Gap between axle sleeve 9.In micro-adjusting mechanism adjustment process, holder 1 is fixed not on pedestal.According to the requirement of different loading forces,
The electromagnetic coil 3 of different the number of turns can be wound on iron core 2.For the loading axis 4 of different curvature radius, iron core head 7 is detachable more
Swap-in row matches.In 4 outside socked shaft set 9 of loading axis, it is possible to increase the forced area of loading axis 4.
A kind of operation principle of combined electromagnetic loading device for water lubriucated bearing experiment of the utility model is iron core
2 apply active force on the bevel edge of 90 ° of angle mounting brackets 1 to loading axis 4, realize non-contact load (since water lubriucated bearing is installed
In loading axis 4, therefore after being loaded to loading axis 4, the water lubriucated bearing in loading axis 4 can also sense loading force),
The loading force sensed is sent to preposing signal process circuit 15, preposing signal process circuit by pull pressure sensor 5 as electronic signals
15 the voltage signal that pull pressure sensor 5 transmits is amplified through charge amplifying circuit 15-1, filtered circuit 15-2
It is filtered, is then sent in microcontroller 16 and is converted to pressure value and is compared with preset value, then output control letter
Number dynamic regulation power circuit 14 provides electric current to electromagnetic coil 3, and the electromagnetism loading force to control iron core 2, which meets test, to be wanted
It asks.
Claims (5)
1. a kind of combined electromagnetic loading device for water lubriucated bearing experiment, it is characterised in that：It is oppositely arranged including two
Holder (1), be respectively equipped with iron core (2) on two holders (1), iron core (2) is inclined on holder (1), two iron cores (2)
Between in 90 ° of settings, and loading axis (4) is equipped between two iron cores (2), iron core (2) has been externally wrapped with electromagnetic coil (3),
The contact position of each iron core (2) and holder (1) is equipped with pull pressure sensor (5), and micro-adjusting mechanism is equipped between two holders (1).
2. a kind of combined electromagnetic loading device for water lubriucated bearing experiment according to claim 1, feature exist
In：The shape of the holder (1) is isosceles right triangle, and iron core (2) is arranged on the bevel edge of holder (1).
3. a kind of combined electromagnetic loading device for water lubriucated bearing experiment according to claim 2, feature exist
In：Dovetail groove A (6) is equipped at the bevel edge center of the holder (1), the bottom of iron core (2) is in dovetail groove A (6), and iron core
(2) shape of bottom shape and dovetail groove A (6) is adapted, and pull pressure sensor (5) is arranged in the bottom of (6) dovetail groove A.
4. a kind of combined electromagnetic loading device for water lubriucated bearing experiment according to claim 1, feature exist
In：The loading axis (4) is equipped with axle sleeve (9), equipped with iron core head (7) between iron core (2) and axle sleeve (9), the one of iron core head (7)
End is close to axle sleeve (9), and iron core head (7) is arc surface, the other end and the iron core (2) of iron core head (7) close to the end face of axle sleeve (9)
Connection, iron core (2) and the joint face of iron core head (7) are equipped with dovetail groove B (8), one end that iron core head (7) is connect with iron core (2)
End surface shape and the shape of dovetail groove B (8) are adapted.
5. a kind of combined electromagnetic loading device for water lubriucated bearing experiment according to claim 1, feature exist
In：The micro-adjusting mechanism includes horizontally disposed leading screw (10), and the both ends of leading screw (10) are respectively equipped with oppositely oriented external screw thread,
And one end of leading screw (10) is connected through a screw thread nut A (11), the other end of leading screw (10) is connected through a screw thread nut B (12),
Nut A (11) and nut B (12) is separately fixed on two holders (1), and the centre of leading screw (10) is equipped with regulation handle jack
(13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380175.3U CN207976283U (en) | 2018-03-20 | 2018-03-20 | A kind of combined electromagnetic loading device for water lubriucated bearing experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380175.3U CN207976283U (en) | 2018-03-20 | 2018-03-20 | A kind of combined electromagnetic loading device for water lubriucated bearing experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976283U true CN207976283U (en) | 2018-10-16 |
Family
ID=63765772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820380175.3U Active CN207976283U (en) | 2018-03-20 | 2018-03-20 | A kind of combined electromagnetic loading device for water lubriucated bearing experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272424A (en) * | 2020-01-20 | 2020-06-12 | 陕西理工大学 | Water-lubricated bearing on-line monitoring test platform and bearing characteristic test analysis method |
-
2018
- 2018-03-20 CN CN201820380175.3U patent/CN207976283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272424A (en) * | 2020-01-20 | 2020-06-12 | 陕西理工大学 | Water-lubricated bearing on-line monitoring test platform and bearing characteristic test analysis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107262745A (en) | The dynamic adjusting device and dynamic adjusting method of a kind of machine tool mainshaft bearing pretightning force | |
| CN207976283U (en) | A kind of combined electromagnetic loading device for water lubriucated bearing experiment | |
| Liu et al. | Dynamic design for motorized spindles based on an integrated model | |
| CN103454104B (en) | A kind of big payload helicopter main oar steering wheel fatigue test system | |
| CN106706184B (en) | A kind of engine torque measuring device | |
| KR20170092299A (en) | Precise Load Applying type High Temperature and High Velocity Actual Load Bearing Tester | |
| CN103162962A (en) | Bi-directional loading testing machine of knuckle bearing | |
| CN105372068A (en) | Test device for simulating and testing turbine generator set shaft system torsional vibration and strength | |
| CN203248553U (en) | Flexible coupling for magnetic levitation motor | |
| CN103817331B (en) | The device and method of powder metallurgy sintered material surface densification is realized by rolling | |
| CN207057637U (en) | A kind of device for dynamic adjusting machine bed main shaft bearing pretightning force | |
| CN103511385A (en) | High-frequency loading servo vibration hydraulic cylinder | |
| CN207585902U (en) | A kind of dynamic torque table apparatus | |
| CN103267465A (en) | Device for synchronously measuring axial displacement and radial displacement of a rigid coupler | |
| CN105241663B (en) | Bending is combined dynamic loading device | |
| CN206839669U (en) | A kind of shaft coupling ball seat production drilling clamping device | |
| CN210119345U (en) | Thermal bending fault experimental device applied to rotating machinery | |
| CN104002266A (en) | Floating-type four-degree-of-freedom aligning device and application method thereof | |
| CN103047169A (en) | Adjustable thrust structure for balancing axial force of gear | |
| CN100473963C (en) | Electromechanical displacement type torque direct inspection controller | |
| CN104209957A (en) | Telescopic arm applied to transfer robot | |
| CN108051207A (en) | The bearing test device for applying radially alternating load based on lead screw transmission mechanism | |
| CN108036947A (en) | A kind of bearing test device for applying radially alternating load | |
| CN106769037A (en) | A kind of adjustable bearing tester of pretightning force | |
| CN207866524U (en) | A kind of bearing tester type alternating load loading device based on lead screw transmission mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |