CN108593189A - A kind of rotary lubrication oil duct gets rid of device for pressure measurement and method at oilhole - Google Patents
A kind of rotary lubrication oil duct gets rid of device for pressure measurement and method at oilhole Download PDFInfo
- Publication number
- CN108593189A CN108593189A CN201810462383.2A CN201810462383A CN108593189A CN 108593189 A CN108593189 A CN 108593189A CN 201810462383 A CN201810462383 A CN 201810462383A CN 108593189 A CN108593189 A CN 108593189A
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- China
- Prior art keywords
- oilhole
- pressure sensor
- pressure
- lubrication oil
- oil duct
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- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of rotary lubrication oil ducts to get rid of device for pressure measurement and method at oilhole, mainly solves the problems, such as to lead to get rid of pressure at oilhole since rotary lubrication oil duct size is limited with space and be difficult to measure.Micro pressure sensor is mounted in pressure sensor mounting base, pressure sensor mounting base is fixed on rotary lubrication oil duct and gets rid of at oilhole, and the pressure signal transmission measured is gone out the pressure signal measured by the method for wireless transmission by micro pressure sensor.Design through the invention avoids influence of the installation due to pressure sensor to lubricating oil flow state in rotary lubrication oil duct, ensure that the accuracy of pressure measurement, the measurement and monitoring of pressure at oilhole are got rid of suitable for rotary lubrication oil duct.
Description
Technical field
It is a kind of oilhole to be got rid of to rotary lubrication oil duct the invention belongs to rotary lubrication oil duct pressure measurement technology field
Pressure carries out measuring the apparatus and method with monitoring in real time.
Background technology
Gear drive utilizes flank engagement passing power, is the most wide driving form of application in machine equipments, especially exists
The industries such as engineering machinery, vehicle, ship and aerospace, gear are even more to play irreplaceable role, are major mechanical dresses
Standby core and fundamental parts.
Gear is worked by the intermeshing between face of gear, certainly exists friction during operation.Every year
The case where leading to gear failure or even abuse since gear lubrication is bad, repeated.It is aobvious according to related data
Show, mechanical breakdown accounts about 54% caused by gear lubrication is insufficient or faulty lubrication.Good gear lubrication can improve
The service life of gear ensures the reliability of gear operation.Suitable lubricating system should be selected for different gear assemblies.
For planet speed change mechanism, gear assembly is complicated, and is in the operating mode of high-pressure heavy-load for a long time, in the case, generally
It is lubricated in such a way that centrifugal rotation gets rid of oil lubrication, i.e., opens up oil leab in the rotary shaft of planet speed change mechanism, moistened
Lubricating oil enters oil leab by oil pump, is sprayed in the oilhole fluid that gets rid of of rotation oil duct, reaches the phase in planet speed change mechanism
Gear position is answered, to realize the effectively lubricating of planet speed change mechanism gear.
Since to get rid of oil lubrication mode more special for centrifugal rotation used by planet speed change mechanism, lead to profit in oil leab
The flowing of lubricating oil is complex.In order to ensure that planet speed change mechanism middle gear is in good lubricating status, in the design phase, need
Experimental study is carried out to the lubrication state of planet speed change mechanism.Using rotary lubrication oil duct test-bed to planet speed change mechanism
Oil leab carry out pressure characteristic experiment, to examine getting rid of oily situation and can meeting lubricating requirement for rotary lubrication oil duct.Right
When rotary lubrication oil duct carries out pressure testing, oil inlet and the lubricating oil pressure got rid of at oilhole need to be monitored and examined.
Pressure at oil inlet is easier to be detected, and is directly measured using Universal pressure sensor.And for getting rid of oil
For hole, due to the high speed rotation of output shaft, cavity position is limited, causes the arrangement of pressure sensor extremely difficult.Therefore, urgently
A kind of rotary lubrication oil duct need to be developed and get rid of device for pressure measurement and method at oilhole.
Invention content
In view of this, the present invention proposes that a kind of rotary lubrication oil duct gets rid of device for pressure measurement and method at oilhole, the pressure
Measurement method can solve the problems, such as to get rid of oil-hole location pressure sensor difficult arrangement in rotary lubrication oil duct, and can adapt to
The case where output shaft high speed rotation.
The present invention gets rid of each position suitable for the rotary lubrication oil duct for detecting epicyclic transmission the lubrication of oilhole
Oil pressure.Inventive conception is that get rid of the size of oilhole on not changing rotary lubrication oil duct influences to moisten with structure and not
In grease way under the premise of lubricating oil flow state, the pressure for getting rid of lubricating oil at oilhole can be accurately measured.Correspondingly,
It is proposed a kind of measurement method for getting rid of pressure at oilhole for rotary lubrication oil duct.
The technical solution adopted in the present invention is：
A kind of rotary lubrication oil duct gets rid of pressure measurement method at oilhole, and oilhole position is got rid of in the rotary lubrication oil duct of output shaft
Set processing mounting holes so that pressure sensor mounting base is mounted on and gets rid of at oilhole, then micro pressure sensor is mounted on pressure
On sensor installation seat, the non-measured end of micro pressure sensor is disposed with wireless transmitter module, and letter is carried out with wireless receiver
Number transmission, by the pressure signal measured draw.
Further, the measurement end of the micro pressure sensor, which faces, gets rid of oilhole, and is just bonded with oil leab, micro-
The non-measured end of type pressure sensor and wireless transmitter module are closely coupled, the pressure that the micro pressure sensor of different location measures
Force signal is transmitted to wireless receiver by different frequencies.
Further, the pressure sensor mounting base is mounted on by lock-screw and is got rid of at oilhole.
Further, the pressure sensor mounting base is T font structures, and upper part center offers a diameter of d2's
Circular hole, top edge position are provided with the threaded hole of installation locking screw, a diameter of d are offered in the middle part of pressure sensor mounting base1
Through-hole, a diameter of d1Through-hole and a diameter of d2Circular hole be connected, pressure sensor seat lower part opens up the spiral shell communicated with middle through-hole
Pit, to install micro pressure sensor；The d1With d2Value respectively by be tested rotary lubrication oil duct pipeline diameter and get rid of oil
The diameter in hole determines.
A kind of rotary lubrication oil duct gets rid of device for pressure measurement at oilhole, and rotary lubrication oil duct is arranged in output shaft, rotation
It is offered on oil leab and gets rid of oilhole, got rid of and pressure sensor assembly is installed on oilhole, carry out the measurement for getting rid of pressure at oilhole.
In said program, the pressure sensor assembly includes pressure sensor mounting base, is mounted on pressure sensor and pacifies
The wireless transmitter module for filling the micro pressure sensor on seat and being arranged in the non-measured end of micro pressure sensor, the pressure pass
Sensor mounting base is fixed on by lock-screw gets rid of at oilhole.The wireless transmitter module and the wireless receiver of receiving area carry out
Signal transmission draws the pressure signal measured.
Advantage of the invention is that：
(1) present invention is by the design pressure sensor installation seat on oil leab, can solve output shaft high speed rotation,
Intracavity space is limited and causes to get rid of the problem of pressure is difficult to measure at oilhole on rotary lubrication oil duct.
(2) design that the present invention passes through pressure sensor mounting base, it is ensured that got rid of on not changing rotary lubrication oil duct
The size and structure of oilhole, and do not influence in oil leab under the premise of lubricating oil flow state, it accurately measures and gets rid of oilhole
Locate the pressure of lubricating oil.
(3) present invention is fitted close by lock-screw and pressure sensor mounting base, can be ensured to rotary lubrication
When oil duct gets rid of that pressure measures at oilhole, the leakproofness of structure, and then ensure the precision of pressure measurement.
Description of the drawings
Fig. 1 is the arrangement schematic diagram of rotary lubrication oil duct test-bed；
Fig. 2 is the structural schematic diagram of pressure sensor mounting base, and Fig. 2 (a) is the sectional view of pressure sensor mounting base, figure
2 (b) is the upward view of pressure sensor mounting base；
Fig. 3 is that rotary lubrication gets rid of pressure measurement schematic diagram at oilhole；
The relational graph of Fig. 4 is inlet pressure when being 1MPa rotating speed and k；
Fig. 5 is that rotating speed is 3000rpm lower inlets pressure and the relational graph of k.
Reference sign：
1- transmission devices；2- input shafts；3- pressure sensor assemblies；4- current collectors；5- oil leabs；6- output shafts；7-
Micro pressure sensor；8- lock-screws；9- pressure sensor mounting bases；10- gets rid of oilhole；11- wireless transmitter modules.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
A kind of rotary lubrication oil duct get rid of at oilhole device for pressure measurement and method, in particular to by micro pressure sensor and
Device and method that sensor installation seat forms, that oilhole pressure measurement is got rid of by the realization of wireless device transmissions signal.Below will
In conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
Fig. 1 is the schematic diagram of rotary lubrication oil duct test-bed.Transmission device 1 is connected with input shaft 2, transmission device 1
It drives input shaft 2 to rotate, is transmitted into action edge according to determining transmission ratio between input shaft 2 and output shaft 6, finally by output shaft
6 output power.Rotary lubrication oil duct 5 is arranged in output shaft 6, is offered on rotary lubrication oil duct 5 and is got rid of oilhole 10.Getting rid of oilhole
Pressure sensor assembly 3 is installed, specific connection relation is to consolidate pressure sensor mounting base 9 by lock-screw 8 on 10
Dingan County arranges that micro pressure sensor 7, micro pressure sensor are logical mounted in getting rid of at oilhole 10 in pressure sensor mounting base 9
It crosses screw thread to connect with pressure sensor mounting base, while being got rid of at oilhole mounted on the face position of oilhole is got rid of with ensuring accurately to measure
Oil pressure；In addition, using being threadedly coupled, the leakage of lubricating oil in rotary lubrication oil duct on the one hand can be prevented, on the other hand may be used
To protect the analysis circuit of micro pressure sensor, prevent lubricating oil from entering.It is each to get rid of the lubricating oil that oilhole 10 is thrown away and pass through collection
Stream device 4 is collected.Micro pressure sensor uses stainless steel, to be generated when guaranteeing to bear output shaft high speed rotation
Centrifugal force.The pressure signal of micro pressure sensor acquisition is launched by wireless transmitter module 11, in this way can be to avoid defeated
The signal transmission that shaft intracavity space is limited and output shaft high speed rotation and brings is difficult.The pressure sensor of different location is sent out
The signal for penetrating different frequency is classified by wireless receiver according to the signal of different frequency, so as to effectively determine some
The outlet pressure of position.
The specific implementation step that rotary lubrication oil duct gets rid of pressure measurement method at oilhole is as follows：
Step 1), for rotary lubrication oil duct by test specimen, oilhole is got rid of to the rotary lubrication oil duct 5 of output shaft 6
10 are processed mounting hole：10 position reaming of oilhole is being got rid of, top ream is flat, and gets rid of processing step inside oilhole after reaming
Position.
Step 2) is passed according to actual needs according to the size and structure tonnage sensor installation seat 9 for getting rid of oilhole 10
Shown in sensor mounting base such as Fig. 2 (a).
Pressure sensor mounting base 9 is rigidly mounted on corresponding output shaft 6 by step 3) using lock-screw 8
It gets rid of at oilhole, and micro pressure sensor 7 is mounted in pressure sensor mounting base 9, as shown in Figure 3.
The non-measured end arrangement wireless transmitter module 11 of step 4), micro pressure sensor 7, and it is wireless in receiving area's setting
Receiver, to draw the pressure signal measured.
Step 5) is in high-speed rotating state due to output shaft 6, so being needed after completion of the above steps to entire
Structure installs balance weight additional in position into action balance, to ensure the dynamic balancing of output shaft 6.
The structure of wherein pressure sensor mounting base is complex, so the structure to pressure sensor mounting base has
Body illustrates, as shown in Fig. 2 (a), (b).Pressure sensor mounting base 9 is T font structures, and 9 middle part of pressure sensor mounting base is opened
There is a diameter of d1Through-hole, a diameter of d1Through-hole communicated with oil leab, wherein d1Size by the oil leab on output shaft
5 pipeline diameter determines that the two is equal to ensure that the flow regime of lubricating oil in oil leab will not be impacted；In pressure
9 top of sensor installation seat opens up a diameter of d according to 10 size of oilhole and structure is got rid of2Hole, d2It is identical as 10 diameter of oilhole is got rid of,
It can so be completely covered on rotary lubrication oil duct and get rid of oilhole, play the role of getting rid of oilhole；In addition in pressure sensor mounting base 9
Top edge position thread mill drilling, by lock-screw 8 so that the tight connection of output shaft 6 and pressure sensor mounting base 9
To ensure sealing, 9 lower part of pressure sensor mounting base processes installation micro pressure sensor according to the size of pressure sensor
7 threaded hole.
Specific measurement process is as follows：Lubricating oil flows into (in Fig. 3 shown in arrow A) by fuel feed hole, by output shaft
Oil duct when, a part continues on oil leab and flows to next component (in Fig. 3 shown in arrow B), and another part is by getting rid of
Oilhole is thrown away (in Fig. 3 shown in arrow C).During lubricating oil flow, it is arranged in the micro pressure sensor got rid of at oilhole
Pressure at oilhole is got rid of by pressure-sensing device (such as resistance strain gage) perception thereon, will be pressed by the method for wireless transmission
Force signal transfers out.
The actual value p that rotary lubrication oil duct gets rid of pressure at oilhole can be obtained using pre-computationIt is realWith measured value pIt surveysRelationship,
That is k=pIt is real/pIt surveysCurve.It is 1MPa only to list inlet pressure herein, get rid of in the case of different rotating speeds at oilhole pressure actual value with
Relation curve between measured value, as shown in Figure 4；And in the case of rotating speed is 3000rpm, when different inlet pressures, get rid of oilhole
Locate the relation curve between pressure actual value and measured value, as shown in Figure 5.In addition different structure, different inlet pressures and rotating speed
In the case of oil leab get rid of the ratio k of pressure actual value and measured value at oilhole and can be obtained by pre-computation.
The embodiment is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of rotary lubrication oil duct gets rid of pressure measurement method at oilhole, it is characterised in that：In the rotary lubrication oil of output shaft (6)
Get rid of oilhole (10) position processing mounting holes in road (5) so that pressure sensor mounting base (9) is mounted on and gets rid of at oilhole (10), then
Micro pressure sensor (7) is mounted in pressure sensor mounting base (9), the non-measured end cloth of micro pressure sensor (7)
It is equipped with wireless transmitter module (11), signal transmission is carried out with wireless receiver, the pressure signal measured is drawn.
2. a kind of rotary lubrication oil duct according to claim 1 gets rid of pressure measurement method at oilhole, it is characterised in that：It is described
The measurement end of micro pressure sensor (7), which faces, gets rid of oilhole (10), and is just bonded with oil leab (5), and micro pressure passes
The non-measured end of sensor (7) and wireless transmitter module (11) are closely coupled, what the micro pressure sensor (7) of different location measured
Pressure signal is transmitted to wireless receiver by different frequencies.
3. a kind of rotary lubrication oil duct according to claim 1 gets rid of pressure measurement method at oilhole, it is characterised in that：It is described
Pressure sensor mounting base (9) is mounted on by lock-screw (8) and is got rid of at oilhole (10).
4. a kind of rotary lubrication oil duct according to claim 1 or 3 gets rid of pressure measurement method at oilhole, it is characterised in that：
The pressure sensor mounting base (9) is T font structures, and upper part center offers a diameter of d2Circular hole, upper edge
Edge position is provided with the threaded hole of installation locking screw (8), and a diameter of d is offered in the middle part of pressure sensor mounting base (9)1It is logical
Hole, a diameter of d1Through-hole and a diameter of d2Circular hole be connected, pressure sensor mounting base (9) lower part is opened up to be communicated with middle through-hole
Threaded hole, to install micro pressure sensor (7).
5. a kind of rotary lubrication oil duct according to claim 1 gets rid of pressure measurement method at oilhole, it is characterised in that：It is described
d1With d2Value respectively by be tested rotary lubrication oil duct pipeline diameter determined with the diameter for getting rid of oilhole.
6. a kind of rotary lubrication oil duct gets rid of device for pressure measurement at oilhole, it is characterised in that：Rotary lubrication oil duct (5) is arranged in defeated
It in shaft (6), is offered on rotary lubrication oil duct (5) and gets rid of oilhole (10), got rid of and pressure sensor assembly is installed on oilhole (10)
(3), carry out getting rid of the measurement of pressure at oilhole.
7. a kind of rotary lubrication oil duct according to claim 6 gets rid of device for pressure measurement at oilhole, it is characterised in that：It is described
Pressure sensor assembly (3) includes pressure sensor mounting base (9), the miniature pressure being mounted in pressure sensor mounting base (9)
Force snesor (7) and the wireless transmitter module (11) for being arranged in micro pressure sensor (7) non-measured end, the pressure sensor
Mounting base (9) is fixed on by lock-screw (8) and is got rid of at oilhole (10).
8. a kind of rotary lubrication oil duct according to claim 6 gets rid of device for pressure measurement at oilhole, it is characterised in that：It is described
Pressure sensor mounting base (9) is T font structures, and upper part center offers a diameter of d2Circular hole, top edge position
The threaded hole for being provided with installation locking screw (8) is set, a diameter of d is offered in the middle part of pressure sensor mounting base (9)1Through-hole, directly
Diameter is d1Through-hole and a diameter of d2Circular hole be connected, pressure sensor seat (9) lower part opens up the threaded hole communicated with middle through-hole,
To install micro pressure sensor (7).
9. a kind of rotary lubrication oil duct described according to claim 6 or 7 gets rid of device for pressure measurement at oilhole, it is characterised in that：
The wireless transmitter module (11) and the wireless receiver of receiving area carry out signal transmission, and the pressure signal measured is drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462383.2A CN108593189B (en) | 2018-05-15 | 2018-05-15 | Pressure measuring device and method for oil throwing hole of rotary lubricating oil channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462383.2A CN108593189B (en) | 2018-05-15 | 2018-05-15 | Pressure measuring device and method for oil throwing hole of rotary lubricating oil channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593189A true CN108593189A (en) | 2018-09-28 |
| CN108593189B CN108593189B (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462383.2A Active CN108593189B (en) | 2018-05-15 | 2018-05-15 | Pressure measuring device and method for oil throwing hole of rotary lubricating oil channel |
Country Status (1)
| Country | Link |
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| CN (1) | CN108593189B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206234U (en) * | 1987-04-14 | 1988-05-25 | 煤炭工业部煤炭科学研究院北京开采研究所 | Stress gauge for drilling machine oil pillow |
| CN2556363Y (en) * | 2002-08-05 | 2003-06-18 | 张雪 | Intelligent oil production controller |
| CN1987389A (en) * | 2006-12-01 | 2007-06-27 | 中国矿业大学(北京) | Pressure detector for high concentrate viscose material transport pipeline |
| CN201137543Y (en) * | 2008-01-11 | 2008-10-22 | 广西玉柴机器股份有限公司 | Oil jetting pump oil spout rule test stand |
| CN201159217Y (en) * | 2008-02-14 | 2008-12-03 | 李冬庆 | Oil-flushing oil-suction device of hydraulic pressure passageway |
| CN201916386U (en) * | 2010-12-28 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Pressure oil sealing mechanism with double-clutch structure |
| CN102944351A (en) * | 2012-12-04 | 2013-02-27 | 河北工业大学 | Method for detecting oil film pressure in floating-ring bearing |
-
2018
- 2018-05-15 CN CN201810462383.2A patent/CN108593189B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206234U (en) * | 1987-04-14 | 1988-05-25 | 煤炭工业部煤炭科学研究院北京开采研究所 | Stress gauge for drilling machine oil pillow |
| CN2556363Y (en) * | 2002-08-05 | 2003-06-18 | 张雪 | Intelligent oil production controller |
| CN1987389A (en) * | 2006-12-01 | 2007-06-27 | 中国矿业大学(北京) | Pressure detector for high concentrate viscose material transport pipeline |
| CN201137543Y (en) * | 2008-01-11 | 2008-10-22 | 广西玉柴机器股份有限公司 | Oil jetting pump oil spout rule test stand |
| CN201159217Y (en) * | 2008-02-14 | 2008-12-03 | 李冬庆 | Oil-flushing oil-suction device of hydraulic pressure passageway |
| CN201916386U (en) * | 2010-12-28 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Pressure oil sealing mechanism with double-clutch structure |
| CN102944351A (en) * | 2012-12-04 | 2013-02-27 | 河北工业大学 | Method for detecting oil film pressure in floating-ring bearing |
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| Publication number | Publication date |
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| CN108593189B (en) | 2020-06-26 |
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