CN109187016A - A kind of rolling bearing loading device and its control method with transient impact function - Google Patents
A kind of rolling bearing loading device and its control method with transient impact function Download PDFInfo
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- CN109187016A CN109187016A CN201811189654.8A CN201811189654A CN109187016A CN 109187016 A CN109187016 A CN 109187016A CN 201811189654 A CN201811189654 A CN 201811189654A CN 109187016 A CN109187016 A CN 109187016A
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- rolling bearing
- loading device
- valve
- directional control
- energy storage
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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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of rolling bearing loading devices and its control method with transient impact function, including two parts of execution unit and control unit；Execution unit includes loading device, terminal pad, thrust piston, oil cylinder ontology, support, lifting platform, jacking cylinder and base；Control unit includes solenoid directional control valve, overflow valve, pressure test device, check valve, pilot operated directional control valve and high-voltage energy storage device.The present invention accelerates loading device under the action of oil pump and high-voltage energy storage device using action mode, to generate higher impact velocity and bigger impact energy；The present invention is by hydraulic control circuit adjust automatically, it can be achieved that low energy consumption, high efficiency, high-precision loading procedure；The present invention can be realized by pressure sensor and be recorded to the load data during impact, be had the characteristics that convenient, fast.
Description
Technical field
The invention belongs to rolling bearing modelling technique field, especially a kind of axis of rolling with transient impact function
Hold loading device and its control method.
Background technique
An important composition component of the rolling bearing as rotating machinery, mechanical property are special to the dynamics of mechanical system
Property has important influence, and complex rotor system is the main application form of rolling bearing experimental technique.Currently, the technology is mainly deposited
In the actual operating mode that can not more fully simulate bearing, relevant industries, especially aerospace industry are seriously constrained
Development, bring certain resistance for the research and development of China's mechanized equipment.In order to solve this problem, related scholar opens both at home and abroad
A large amount of research is opened up, loading spectrum formulation, load loading method and device structure for having focused largely on etc. rush rolling bearing
It hits in the influence of process, but does not solve the problems, such as this fundamentally.It is filled main reason is that still loading without test battery
Set, the transient impact process in rolling bearing actual operating mode can be simulated and the load change of impact process into
Row test.
Consult domestic and international pertinent literature, be not found to have transient impact function rolling bearing loading device related patents and
Document, still not similar device can carry out load and load change to the rolling bearing impact process under simulation actual condition
Process is tested.The research of related scholar is carried out mainly in conjunction with fluid pressure type experimental rig, and the device of the type can only be to applying
The load being added on bearing carries out precision controlling, can not but simulate the transient impact process of bearing, and the load to impact process
Lotus variation is tested.Patent 201620336979.4 is referred to a kind of rolling bearing load testing machine, which uses liquid
Control loop is pressed to control thrust piston motion profile, to realize the simulation of rolling bearing loading procedure.But the device can not mould
Quasi- transient impact power acts on the dynamic behavior of lower rolling bearing.In addition, the patent lacks pressure test device, it can not be to load
Mechanical property in the process measures.But the impact force action time is very short in actually entire impact process, which can not
The responsive state of accurate simulation actual working state lower bearing.
Summary of the invention
In view of the above shortcomings of the prior art, the rolling bearing load with transient impact function that the present invention provides a kind of
Device and its control method can be used to simulate rolling bearing by transient impact loading and to punching during impact
It hits load change process to measure, thus to promote the development of rolling bearing transient shock test to provide technical support.
To achieve the goals above, the invention is realized by the following technical scheme:
A kind of rolling bearing loading device with transient impact function, which is characterized in that including execution unit and control
Two parts of unit；
The execution unit includes loading device, terminal pad, thrust piston, oil cylinder ontology, support, lifting platform, jacking oil
Cylinder and base, the loading device and terminal pad are attached fastening, the left side of the thrust piston by several bolts
It is welded on the right side of terminal pad, and is disposed in oil cylinder ontology, on the support, the lifting platform is set for the oil cylinder ontology welding
It sets below support, and is fastened by several bolts, the jacking cylinder is arranged between lifting platform and base, uses
In adjusting load device height；
Described control unit includes solenoid directional control valve, overflow valve, pressure test device, check valve, pilot operated directional control valve and height
Accumulator is pressed, the solenoid directional control valve is connect with oil cylinder ontology, and the overflow valve is arranged between fuel pump outlet and oil return line,
The pressure test device is connect with fuel pump outlet, and the check valve is connect with pilot operated directional control valve and high-voltage energy storage device respectively, group
At the accelerator of loading device.
As a preferred embodiment of the above technical solution, the loading device is flanged (FLGD) solid cylinder, the edge on the flange
It was axially arranged with several through-holes, the through-hole is uniformly distributed along axial direction.
As a preferred embodiment of the above technical solution, the solenoid directional control valve is three-position four-way electromagnetic directional valve, is pushed away for controlling
The direction of motion of power piston.
As a preferred embodiment of the above technical solution, the control of the check valve, pilot operated directional control valve and high-voltage energy storage device composition is returned
Road is used to improve the impact velocity of loading device.
The present invention also provides a kind of control methods of rolling bearing loading device with transient impact function, including such as
Lower step:
(1) the rolling bearing loading device with transient impact function is arranged in rolling bearing simulation test machine, and adjusts
Loading device position is saved, guarantees that loading device there are enough spaces；
(2) start rolling bearing simulation test machine, the direction of motion of thrust piston is controlled by solenoid directional control valve, passes through list
The impact velocity of the control loop adjusting load device formed to valve, pilot operated directional control valve and high-voltage energy storage device；
(3) the shock loading changing value during pressure test device record test is utilized；
(4) step 2~step 3 is repeated, until rolling bearing impact test finishes.
The beneficial effects of the present invention are:
(1) present invention accelerates loading device under the action of oil pump and high-voltage energy storage device using action mode, from
And generate higher impact velocity and bigger impact energy；
(2) present invention passes through hydraulic control circuit adjust automatically, it can be achieved that low energy consumption, high efficiency, high-precision loading
Journey；
(3) present invention can be realized by pressure sensor and be recorded to the load data during impact, have it is convenient,
Quick feature.
Detailed description of the invention
In conjunction with attached drawing, and by reference to following detailed description, it will more easily have more complete understanding to the present invention
And its adjoint advantage and feature is more easily to understand, in which:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of control unit in the present invention；
Fig. 3 is top view of the invention；
Fig. 4 is left view of the invention；
Fig. 5 is the schematic diagram of control unit in the present invention, and wherein A is energy storage state schematic diagram, and B is state of pressure keeping principle
Figure, C are stress state schematic diagram；
1-loading device, 2-terminal pads, 3-thrust pistons, 4-oil cylinder ontologies, 5-supports, 6-lifting platforms, 7-tops
Oil-lifting jar, 8-bases, 9-solenoid directional control valves, 10-overflow valves, 11-pressure test devices, 12-check valves, 13-hydraulic controls
Reversal valve, 14-high-voltage energy storage devices.
Specific embodiment
To keep the contents of the present invention more clear and easy to understand, below in conjunction with Figure of description, the contents of the present invention are made into one
Walk explanation.Certainly the invention is not limited to the specific embodiment, general replacement known to those skilled in the art
It is included within the scope of protection of the present invention.Secondly, the present invention has carried out detailed statement using schematic diagram, it is real the present invention is described in detail
When example, for ease of description, schematic diagram is not partially enlarged in proportion to the general scale, should not be in this, as limitation of the invention.
It should be noted that in following embodiments, using the schematic diagram of Fig. 1~5 to of the invention a kind of with transient state
The rolling bearing loading device and its control method of impact function have carried out detailed statement.Embodiments of the present invention are being described in detail
When, for ease of description, partial enlargement and omission processing are not drawn according to general proportion and carried out to schematic diagram, therefore, should keep away
Exempt from this, as limitation of the invention.
As shown in Fig. 1~5, the present invention provides a kind of rolling bearing loading devices with transient impact function, including
Two parts of execution unit and control unit；
Execution unit includes loading device 1, terminal pad 2, thrust piston 3, oil cylinder ontology 4, support 5, lifting platform 6, jacking
Oil cylinder 7 and base 8, loading device 1 and terminal pad 2 are attached fastening, the left side weldering of thrust piston 3 by several bolts
It connects on 2 right side of terminal pad, and is disposed in oil cylinder ontology 4, oil cylinder ontology 4 is welded on support 5, and the setting of lifting platform 6 exists
5 lower section of support, and fastened by several bolts, jacking cylinder 7 is arranged between lifting platform 6 and base 8, for adjusting
Save loading device height；
Control unit includes solenoid directional control valve 9, overflow valve 10, pressure test device 11, check valve 12, pilot operated directional control valve 13
With high-voltage energy storage device 14, solenoid directional control valve 9 is connect with oil cylinder ontology 7, the setting of overflow valve 10 fuel pump outlet and oil return line it
Between, pressure test device 11 is connect with fuel pump outlet, and check valve 12 connect 14 with pilot operated directional control valve 13 and high-voltage energy storage device respectively,
Form the accelerator of loading device 1.
When thrust piston 3 moves right, excess pressure oil enters high-voltage energy storage device 14.When thrust piston 3 moves downward,
The oil that high pressure gas in high-voltage energy storage device 14 is released enters the big chamber of oil cylinder, and moves right the acceleration of loading device 1.
Specifically, loading device 1 is flanged (FLGD) solid cylinder in the present embodiment, if the edge on flange was axially arranged with
Dry through-hole, through-hole are uniformly distributed along axial direction.
In addition, solenoid directional control valve 9 is three-position four-way electromagnetic directional valve, for controlling the direction of motion of thrust piston.
In the present embodiment, the control loop that check valve 12, pilot operated directional control valve 13 and high-voltage energy storage device 14 form is for improving
The impact velocity of loading device.
The present invention also provides a kind of control methods of rolling bearing loading device with transient impact function, including such as
Lower step:
(1) the rolling bearing loading device with transient impact function is arranged in rolling bearing simulation test machine, and adjusts
1 position of loading device is saved, guarantees that loading device 1 there are enough spaces；
(2) start rolling bearing simulation test machine, the direction of motion of thrust piston 3 is controlled by solenoid directional control valve 9, is passed through
The impact velocity for the control loop adjusting load device 1 that check valve 12, pilot operated directional control valve 13 and high-voltage energy storage device 14 form；
(3) the shock loading changing value during the record test of pressure test device 11 is utilized；
(4) step 2~step 3 is repeated, until rolling bearing impact test finishes.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (5)
1. a kind of rolling bearing loading device with transient impact function, which is characterized in that single including execution unit and control
First two parts；
The execution unit includes loading device (1), terminal pad (2), thrust piston (3), oil cylinder ontology (4), support (5), rises
Drop platform (6), jacking cylinder (7) and base (8), the loading device (1) and terminal pad (2) are attached by several bolts
Fastening, the left side of the thrust piston (3) are welded on the right side of terminal pad (2), and are disposed in oil cylinder ontology (4), institute
It states oil cylinder ontology (4) to be welded on support (5), lifting platform (6) setting passes through several spiral shells below support (5)
Bolt is fastened, and the jacking cylinder (7) is arranged between lifting platform (6) and base (8)；
Described control unit includes solenoid directional control valve (9), overflow valve (10), pressure test device (11), check valve (12), hydraulic control
Reversal valve (13) and high-voltage energy storage device (14), the solenoid directional control valve (9) connect with oil cylinder ontology (4), the overflow valve (10)
It is arranged between fuel pump outlet and oil return line, the pressure test device (11) connect with fuel pump outlet, the check valve
(12) it is connect respectively with pilot operated directional control valve (13) and high-voltage energy storage device (14).
2. as described in claim 1 with the rolling bearing loading device of transient impact function, which is characterized in that the load dress
Setting (1) is flanged (FLGD) solid cylinder, and the edge on the flange was axially arranged with several through-holes, and the through-hole is along axial uniform
Distribution.
3. as described in claim 1 with the rolling bearing loading device of transient impact function, which is characterized in that the electromagnetism changes
It is three-position four-way electromagnetic directional valve to valve (9), for controlling the direction of motion of thrust piston (3).
4. as described in claim 1 with the rolling bearing loading device of transient impact function, which is characterized in that the check valve
(12), the control loop of pilot operated directional control valve (13) and high-voltage energy storage device (14) composition is used to improve the impact speed of loading device (1)
Degree.
5. a kind of control method of the rolling bearing loading device with transient impact function based on claim 1, feature
It is, includes the following steps:
(1) it by the rolling bearing loading device setting with transient impact function in rolling bearing simulation test machine, and adjusts and adds
It carries and sets (1) position, guarantee that loading device (1) has enough spaces；
(2) start rolling bearing simulation test machine, by the direction of motion of solenoid directional control valve (9) control thrust piston (3), pass through
The impact of the control loop adjusting load device (1) of check valve (12), pilot operated directional control valve (13) and high-voltage energy storage device (14) composition
Speed；
(3) the shock loading changing value during the test of pressure test device (11) record is utilized；
(4) step 2~step 3 is repeated, until rolling bearing impact test finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189654.8A CN109187016A (en) | 2018-10-12 | 2018-10-12 | A kind of rolling bearing loading device and its control method with transient impact function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189654.8A CN109187016A (en) | 2018-10-12 | 2018-10-12 | A kind of rolling bearing loading device and its control method with transient impact function |
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| Publication Number | Publication Date |
|---|---|
| CN109187016A true CN109187016A (en) | 2019-01-11 |
Family
ID=64948166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811189654.8A Pending CN109187016A (en) | 2018-10-12 | 2018-10-12 | A kind of rolling bearing loading device and its control method with transient impact function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707469A (en) * | 2020-06-24 | 2020-09-25 | 中国航发中传机械有限公司 | Helicopter tail reducer control shaft force loading test device |
| CN116460562A (en) * | 2023-05-30 | 2023-07-21 | 中国民用航空飞行学院 | Electromagnetic loading interference screw joint component automatic extrusion mounting device and method |
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| RU2298073C1 (en) * | 2005-11-07 | 2007-04-27 | Институт горного дела Сибирского отделения Российской академии наук | Hydraulic percussion machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111707469A (en) * | 2020-06-24 | 2020-09-25 | 中国航发中传机械有限公司 | Helicopter tail reducer control shaft force loading test device |
| CN111707469B (en) * | 2020-06-24 | 2022-06-14 | 中国航发中传机械有限公司 | Helicopter tail reducer control shaft force loading test device |
| CN116460562A (en) * | 2023-05-30 | 2023-07-21 | 中国民用航空飞行学院 | Electromagnetic loading interference screw joint component automatic extrusion mounting device and method |
| CN116460562B (en) * | 2023-05-30 | 2024-01-05 | 中国民用航空飞行学院 | Electromagnetic loading interference screw joint component automatic extrusion mounting device and method |
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Application publication date: 20190111 |
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