CN112362245A - Automatic calibration oil seal jig for rotary head base - Google Patents
Automatic calibration oil seal jig for rotary head base Download PDFInfo
- Publication number
- CN112362245A CN112362245A CN202011203792.4A CN202011203792A CN112362245A CN 112362245 A CN112362245 A CN 112362245A CN 202011203792 A CN202011203792 A CN 202011203792A CN 112362245 A CN112362245 A CN 112362245A
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- oil seal
- cavity
- jig
- channel
- front cover
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- 239000003921 oil Substances 0.000 claims abstract description 154
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 239000010687 lubricating oil Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 17
- 230000033001 locomotion Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 10
- 230000003068 static effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
The invention discloses an automatic calibration oil seal jig for a rotary head seat, which comprises a fixed rotary head seat, wherein a cavity is arranged in the rotary head seat, a first channel communicated with the cavity and the outside is arranged in the cavity, lubricating oil is arranged in the cavity, an oil seal jig capable of sliding in the radial direction is arranged at the outer end of the first channel, the oil seal jig is provided with a shaft hole, a tested oil seal is coaxially arranged in the shaft hole, and the tested oil seal is sleeved on a motor output shaft. The invention creatively applies a dynamic oil seal jig structure, and in the process of rotating the motor spindle, the motor spindle drives the oil seal jig to move up and down and left and right or do centrifugal rotation motion, so that the shaft hole for oil seal treatment and the motor spindle are always coaxial in the test process, thereby ensuring that the tested oil seal and the motor spindle are always coaxial in the test process. The device can reduce the installation time, and when a rotation test is carried out, the mechanism can still keep the center of the motor and the center of the oil seal on the same line, so that the leakage problem of the non-oil seal design is completely eliminated.
Description
Technical Field
The invention belongs to the field of oil seal detection, and particularly relates to an automatic calibration oil seal jig for a rotary head base.
Background
Since the inner ring of the oil seal is not necessarily perfectly circular and has a leakage defect, it is necessary to test the oil seal for such a defect with a device. When the sealing performance of the oil seal is tested, the tested oil seal needs to be fixed on the oil seal jig, the oil seal jig is fixed on the rotary head seat, and the tested oil seal sleeve is arranged on the motor spindle for testing. If the central position of the oil seal jig needs to be adjusted, the guide rail and the screw below the rotary head seat need to be adjusted, the machining precision needs to be high, and the central shaft of the tested oil seal and the rotary shaft of the motor are always in the same straight line, so when the oil seal jig is installed, a measuring instrument needs to be matched to correct the rotary head seat for at least more than 3 points, the oil seal and the motor spindle are kept coaxial, if the oil seal jig is disassembled after testing, next experimental testing needs to be carried out, next testing can be carried out again, and a large amount of calibration time is consumed.
On the rotary head seat without the automatic calibration design, static calibration is needed, namely when in installation, the central positions of the motor and the rotary head seat are calibrated on the same straight line by a plurality of methods, time and calibration instruments, and once the test is started, because a plurality of external factors, such as oil temperature, natural vibration and the like, cause the whole rotary head seat to generate deflection, under the condition that the position of the output central shaft of the motor is not changed, the rotation center of the motor and the center of the oil seal to be tested are not in the same straight line, uncontrollable leakage is caused, experiments show that, since a gap of 4mm at maximum is found due to a gap between the oil seal and the motor of the motor caused by external factors, the inner side of the oil seal is worn due to the gap, meanwhile, improper leakage is caused, so that experimental failure is caused, and the correctness of whether the oil seal leaks or not can not be really tested.
How to design a section can automatic calibration oil blanket tool, when carrying out the oil blanket test, does not need a large amount of installation calibration time and flow, just can reach fast will await measuring the oil blanket, place on motor's center pin, when carrying out the oil blanket leak test, do not take place beat mechanism, and at experimental in-process, the centre of rotation of motor and the center of the oil blanket that awaits measuring keep same straight on line.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary head seat automatic calibration oil seal jig which is reasonable in structural layout, convenient to assemble and free from debugging an oil seal and the axis of a motor spindle, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic calibration oil blanket tool of gyration head seat, including the gyration head seat of immobilized, the inside of gyration head seat is equipped with the cavity to be equipped with intercommunication cavity and external first passageway, be equipped with lubricating oil in the cavity, the outer end of first passageway is equipped with the oil blanket tool that can make radial slip, and the oil blanket tool is equipped with the shaft hole, and the coaxial measured oil blanket that is equipped with in the shaft hole, the shaft hole is the rotation center of oil blanket tool, is used for the cover on the motor output shaft by the measured oil blanket. The cavity is an eccentric cavity.
In order to optimize the technical scheme, the adopted measures further comprise:
a first front cover is fixed on the first channel, and a first round hole communicated with the first channel is formed in the center of the first front cover; the first front cover is provided with a sliding groove position for the oil seal jig to slide in a radial liquid-tight manner.
The sliding groove position is a counter bore arranged at the end part of the first round hole, and the inner diameter of the sliding groove position is larger than the outer diameter of the oil seal jig.
The diameter of the first round hole is larger than the shaft hole, and the diameter of the first round hole is smaller than the outer diameter of the oil seal jig.
The sliding groove position is located on the outer side face of the first front cover, and a second front cover capable of preventing the oil seal jig from axially disengaging is arranged on the sliding groove position.
The second front cover is provided with a second round hole coaxial with the first round hole, and the inner diameter of the second round hole is larger than the shaft hole.
The second front cover is provided with a first boss matched with the centripetal edge of the sliding groove.
The first front cover is provided with a second boss matched with the centripetal edge of the first channel, and an adjusting screw is connected between the first front cover and the second front cover and is parallel to the shaft hole.
The rotary head seat is also provided with a second channel communicated with the cavity and the outside, and the second channel is provided with a rear cover.
The rear cover is provided with a third boss matched with the centripetal edge of the second channel.
Compared with the prior art, the automatic calibration oil seal jig for the rotary head base comprises the fixed rotary head base, a cavity is arranged inside the rotary head base, a first channel communicated with the cavity and the outside is arranged in the cavity, lubricating oil is arranged in the cavity, an oil seal jig capable of sliding in the radial direction is arranged at the outer end of the first channel, the oil seal jig is provided with a shaft hole, a tested oil seal is coaxially arranged in the shaft hole, and the tested oil seal is sleeved on a motor output shaft. The invention creatively applies a dynamic oil seal jig structure, and in the process of rotating the motor spindle, the motor spindle drives the oil seal jig to move up and down and left and right or do centrifugal rotation motion, so that the shaft hole for oil seal treatment and the motor spindle are always coaxial in the test process, thereby ensuring that the tested oil seal and the motor spindle are always coaxial in the test process. The device can reduce the installation time, and when a rotation test is carried out, the mechanism can still keep the center of the motor and the center of the oil seal on the same line, so that the leakage problem of the non-oil seal design is completely eliminated.
Drawings
Fig. 1 is a schematic front structural view of a first embodiment of the present invention;
FIG. 2 is a schematic view in full section of A-A in FIG. 1;
FIG. 3 is an exploded schematic view of FIG. 2;
FIG. 4 is a schematic view showing the internal structure of the second embodiment;
FIG. 5 is an exploded schematic view of FIG. 4;
FIG. 6 is a schematic view showing the internal structure of the third embodiment;
fig. 7 is an exploded schematic view of fig. 6.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Wherein the reference numerals are: the rotary head base 1, the first channel 11, the second channel 12, the cavity 13, the rear cover 2, the third boss 21, the first front cover 3, the first round hole 31, the sliding slot 32, the second boss 33, the second front cover 4, the second round hole 41, the first boss 42, the oil seal jig 5, the shaft hole 51, the oil seal 6 to be tested, the adjusting screw 7 and the protrusion 9.
In a first embodiment, as shown in fig. 1 to 3, the automatic calibration oil seal fixture for a turret head includes a stationary turret head 1, a cavity 13 is disposed inside the turret head 1, and a first channel 11 is disposed to communicate the cavity 13 with the outside, a lubricant is disposed in the cavity 13, an oil seal fixture 5 capable of sliding radially is disposed at an outer end of the first channel 11, the oil seal fixture 5 is provided with a shaft hole 51, a measured oil seal 6 is coaxially disposed in the shaft hole 51, the shaft hole 51 is a rotation center of the oil seal fixture 5, and the measured oil seal 6 is used to be sleeved on an output shaft of a motor (as well-known external equipment, not shown in the figure). The cavity 13 is an eccentric cavity.
In the embodiment, as shown in fig. 2 and 3, a first front cover 3 is fixed on the first channel 11, and the center of the first front cover 3 is provided with a first round hole 31 communicated with the first channel 11; the first front cover 3 is provided with a sliding groove 32 for the oil seal jig 5 to slide radially and liquid-tightly. The liquid-tight fit between the oil seal jig 5 and the sliding groove 32 makes it difficult for the lubricating oil in the cavity 13 to seep out from the gap between the oil seal jig 5 and the sliding groove 32, and the accuracy of the test is increased.
In an embodiment, as shown in fig. 2 and 3, the sliding slot 32 is a counter bore provided at the end of the first circular hole 31, and the inner diameter of the sliding slot 32 is larger than the outer diameter of the oil seal jig 5.
In the embodiment, as shown in fig. 2 and 3, the diameter of the first circular hole 31 is larger than that of the shaft hole 51, so that the first circular hole 31 is prevented from impacting the motor rotating shaft in the radial movement process of the oil sealing jig 5; and the diameter of the first round hole 31 is smaller than the outer diameter of the oil sealing jig 5, so that the oil sealing jig 5 is prevented from falling into the cavity 13 through the first round hole 31.
In the embodiment, as shown in fig. 2 and 3, the sliding slot 32 is located on the outer side surface of the first front cover 3, and the second front cover 4 capable of preventing the oil seal jig 5 from axially coming out is arranged on the sliding slot 32. The second front cover 4 is also arranged on the side surface of the oil seal jig 5 in an oil-tight sliding manner.
In the embodiment, as shown in fig. 2 and 3, the second front cover 4 has a second circular hole 41 coaxial with the first circular hole 31, and the inner diameter of the second circular hole 41 is larger than the shaft hole 51, so that the first circular hole 31 is prevented from colliding with the motor shaft during the radial movement of the oil sealing jig 5.
In the embodiment, as shown in fig. 2 and 3, the second front cover 4 has a first boss 42 fitted with the centripetal edge of the sliding groove 32, and since the second front cover 4 is fixed on the first front cover 3 by the screw structure or the adjusting screw 7, the depth of the first boss 42 entering the sliding groove 32 can be adjusted by the driving depth of the screw structure or the adjusting screw 7, so that the oil sealing gap between the first front cover 3, the oil sealing jig 5 and the second front cover 4 can be adjusted.
In the embodiment, as shown in fig. 2 and 3, the first front cover 3 has a second boss 33 fitted over the centripetal edge of the first channel 11, and an adjusting screw 7 is connected between the first front cover 3 and the second front cover 4, the adjusting screw 7 being parallel to the shaft hole 51.
In the embodiment, as shown in fig. 2 and 3, the revolving head base 1 is further provided with a second channel 12 for communicating the cavity 13 with the outside, and the second channel 12 is provided with the rear cover 2. Opening the rear cover 2 allows the cavity 13 to be filled with lubricating oil and cleaned through the second passage 12. The second passage 12 is opposite to the first passage 11.
In the embodiment, a protrusion 9 is arranged in the oil storage cavity 13 and used for preventing the motor shaft 8 from rotating to drive lubricating oil to generate vortex.
In the embodiment shown in figures 2 and 3, the back cover 2 has a third projection 21 coinciding with the centripetal edge of the second channel 12.
The use method of the embodiment one: the first front cover 3 is fixed on the rotary head seat 1, the oil seal 6 to be tested is installed on the shaft hole 51 of the oil seal jig 5, the oil seal jig 5 is placed in the sliding groove position 32, and then the second front cover 4 presses the oil seal jig 5, so that the oil seal jig 5 can only slide and rotate in the radial direction and can not move in the axial direction. After the steps are completed, the tested oil seal 6 is sleeved on the motor rotating shaft, and the cavity 13 is filled with lubricating oil, so that the test can be carried out. In the testing process, the oil seal jig 5 can move up and down, left and right or do centrifugal rotation motion, so that the axis of the tested oil seal 6 is coaxial with the motor rotating shaft.
In the second embodiment, as shown in fig. 4 and 5, the automatic calibration oil seal fixture for a turret head includes a stationary turret head 1, a cavity 13 is disposed inside the turret head 1, and a first channel 11 is disposed to communicate the cavity 13 with the outside, lubricating oil is disposed in the cavity 13, an oil seal fixture 5 capable of sliding radially is disposed at an outer end of the first channel 11, the oil seal fixture 5 is provided with a shaft hole 51, a measured oil seal 6 is coaxially disposed in the shaft hole 51, the shaft hole 51 is a rotation center of the oil seal fixture 5, and the measured oil seal 6 is used to be sleeved on an output shaft of a motor (as well-known external equipment, not shown in the figure). The cavity 13 is an eccentric cavity.
In the embodiment, as shown in fig. 4 and 5, the revolving head base 1 is further provided with a second channel 12 for communicating the cavity 13 with the outside, and the second channel 12 is provided with the rear cover 2. Opening the rear cover 2 allows the cavity 13 to be filled with lubricating oil and cleaned through the second passage 12. The second passage 12 is opposite to the first passage 11.
In the embodiment, a protrusion 9 is arranged in the oil storage cavity 13 and used for preventing the motor shaft 8 from rotating to drive lubricating oil to generate vortex.
In the embodiment shown in fig. 4 and 5, the back cover 2 has a third projection 21 coinciding with the centripetal edge of the second channel 12.
The method of use of example two: and installing the tested oil seal 6 on the shaft hole 51 of the oil seal jig 5, and placing the oil seal jig 5 at the end part of the first channel 11 to ensure that the shaft hole 51 is over against the first channel 11. After the steps are completed, the tested oil seal 6 is sleeved on the motor rotating shaft, and the cavity 13 is filled with lubricating oil, so that the test can be carried out. In the testing process, the oil seal jig 5 can move up and down, left and right or do centrifugal rotation motion, so that the axis of the tested oil seal 6 is coaxial with the motor rotating shaft.
In the third embodiment, as shown in fig. 6 and 7, the automatic calibration oil seal fixture for the rotary head base includes a fixed rotary head base 1, a cavity 13 is disposed inside the rotary head base 1, and a first channel 11 communicating the cavity 13 with the outside is disposed, lubricating oil is disposed in the cavity 13, an oil seal fixture 5 capable of sliding radially is disposed at an outer end of the first channel 11, the oil seal fixture 5 is provided with a shaft hole 51, a measured oil seal 6 is coaxially disposed in the shaft hole 51, the shaft hole 51 is a rotation center of the oil seal fixture 5, and the measured oil seal 6 is used for being sleeved on an output shaft of a motor (as well-known external equipment, not shown in the figure). The cavity 13 is an eccentric cavity.
In the embodiment, as shown in fig. 6 and 7, the first front cover 3 is fixed on the first channel 11, and the center of the first front cover 3 is provided with a first round hole 31 communicated with the first channel 11; the first front cover 3 is provided with a sliding groove 32 for the oil seal jig 5 to slide radially and liquid-tightly. The liquid-tight fit between the oil seal jig 5 and the sliding groove 32 makes it difficult for the lubricating oil in the cavity 13 to seep out from the gap between the oil seal jig 5 and the sliding groove 32, and the accuracy of the test is increased.
In the embodiment, as shown in fig. 6 and 7, the sliding slot 32 is a counter bore provided at the end of the first circular hole 31, and the inner diameter of the sliding slot 32 is larger than the outer diameter of the oil seal jig 5.
In the embodiment, as shown in fig. 6 and 7, the diameter of the first circular hole 31 is larger than that of the shaft hole 51, so that the first circular hole 31 is prevented from impacting the motor rotating shaft in the radial movement process of the oil sealing jig 5; and the diameter of the first round hole 31 is smaller than the outer diameter of the oil sealing jig 5, so that the oil sealing jig 5 is prevented from falling into the cavity 13 through the first round hole 31.
In the embodiment, as shown in fig. 6 and 7, the rotary head base 1 is further provided with a second channel 12 for communicating the cavity 13 with the outside, and the second channel 12 is provided with the rear cover 2. Opening the rear cover 2 allows the cavity 13 to be filled with lubricating oil and cleaned through the second passage 12. The second passage 12 is opposite to the first passage 11.
In the embodiment, a protrusion 9 is arranged in the oil storage cavity 13 and used for preventing the motor shaft 8 from rotating to drive lubricating oil to generate vortex.
In the embodiment shown in figures 6 and 7, the back cover 2 has a third projection 21 coinciding with the centripetal edge of the second channel 12.
The method of use of example three: the first front cover 3 is fixed on the rotary head base 1, the tested oil seal 6 is installed on the shaft hole 51 of the oil seal jig 5, and the oil seal jig 5 is placed in the sliding groove 32, so that the oil seal jig 5 can slide and rotate in the radial direction. After the steps are completed, the tested oil seal 6 is sleeved on the motor rotating shaft, and the cavity 13 is filled with lubricating oil, so that the test can be carried out. In the testing process, the oil seal jig 5 can move up and down, left and right or do centrifugal rotation motion, so that the axis of the tested oil seal 6 is coaxial with the motor rotating shaft.
When the first to third embodiments of the invention are installed, the procedure of calibrating the central line of the tested oil seal 6 is eliminated, related tests can be carried out only by installing the oil seal jig 5 and the tested oil seal 6 on the motor rotating shaft, the installation working hours are saved, meanwhile, the test error condition caused by abnormal leakage of the tested oil seal 6 due to the fact that the tested oil seal 6 and the motor rotating shaft are not coaxial is avoided during the test, and the manpower and the corrected instrument equipment are saved. On the existing installation of the tested oil seal 6, a mould or a top pressing method is mostly used, the tested oil seal 6 is fixed on a positioning position in a static state, and a dynamic state is not considered, but the invention does not lie in that the tested oil seal 6 and an oil seal jig 5 are positioned statically, even in the static state, the tested oil seal 6 and the oil seal jig are not in the same straight line with a motor rotating shaft, but when the rotating speed of the motor is increased, the tested oil seal 6 and the motor rotating shaft are coaxial when the motor runs. The installation procedure is very simple and convenient, does not need too many static calibration, just can reach when the developments of motor operation test, produces the function of automatic calibration, prevents unusual leakage, promotes the experimental exactness of oil blanket.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (10)
1. Automatic calibration oil blanket tool of gyration head seat, including fixed gyration head seat (1), characterized by: the inner part of the rotary head seat (1) is provided with a cavity (13), and a first channel (11) which is communicated with the cavity (13) and the outside is arranged, lubricating oil is arranged in the cavity (13), the outer end of the first channel (11) is provided with an oil seal jig (5) which can slide in the radial direction, the oil seal jig (5) is provided with a shaft hole (51), a tested oil seal (6) is coaxially arranged in the shaft hole (51), and the shaft hole (51) is the rotation center of the oil seal jig (5); the cavity (13) is an eccentric cavity.
2. The turret head block auto-calibration oil seal fixture of claim 1, wherein: a first front cover (3) is fixed on the first channel (11), and a first round hole (31) communicated with the first channel (11) is formed in the center of the first front cover (3); the first front cover (3) is provided with a sliding groove position (32) for the oil seal jig (5) to slide in a radial liquid-tight manner.
3. The turret head block auto-calibration oil seal fixture of claim 2, wherein: the sliding groove position (32) is a counter bore arranged at the end part of the first round hole (31), and the inner diameter of the sliding groove position (32) is larger than the outer diameter of the oil seal jig (5).
4. The turret head block auto-calibration oil seal fixture of claim 3, wherein: the diameter of the first round hole (31) is larger than the shaft hole (51), and the diameter of the first round hole (31) is smaller than the outer diameter of the oil seal jig (5).
5. The turret head block auto-calibration oil seal fixture of claim 4, wherein: the sliding groove position (32) is located on the outer side surface of the first front cover (3), and the sliding groove position (32) is provided with a second front cover (4) capable of preventing the oil seal jig (5) from axially disengaging.
6. The automatic calibration oil seal jig of the rotary head base according to claim 5, characterized in that: the second front cover (4) is provided with a second round hole (41) which is coaxial with the first round hole (31), and the inner diameter of the second round hole (41) is larger than the shaft hole (51).
7. The turret head block auto-calibration oil seal fixture of claim 6, wherein: the second front cover (4) is provided with a first boss (42) matched with the centripetal edge of the sliding groove (32).
8. The turret head block auto-calibration oil seal fixture of claim 7, wherein: the first front cover (3) is provided with a second boss (33) matched with the centripetal edge of the first channel (11), an adjusting screw (7) is connected between the first front cover (3) and the second front cover (4), and the adjusting screw (7) is parallel to the shaft hole (51).
9. The turret head block auto-calibration oil seal fixture of claim 8, wherein: the rotary head seat (1) is further provided with a second channel (12) for communicating the cavity (13) with the outside, the second channel (12) is provided with a rear cover (2), and the second channel (12) is over against the first channel (11).
10. An oil seal testing machine as claimed in any one of claims 1 to 9, wherein: the oil storage cavity (13) is internally provided with a bulge (9) for preventing the motor shaft (8) from rotating to drive lubricating oil to generate vortex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203792.4A CN112362245A (en) | 2020-11-02 | 2020-11-02 | Automatic calibration oil seal jig for rotary head base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203792.4A CN112362245A (en) | 2020-11-02 | 2020-11-02 | Automatic calibration oil seal jig for rotary head base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112362245A true CN112362245A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011203792.4A Pending CN112362245A (en) | 2020-11-02 | 2020-11-02 | Automatic calibration oil seal jig for rotary head base |
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| Country | Link |
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| CN (1) | CN112362245A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB832836A (en) * | 1956-08-23 | 1960-04-13 | Phoenix Steel Corp | Tubular pipe testing machine |
| CN201302506Y (en) * | 2008-11-03 | 2009-09-02 | 书元机械企业(昆山)有限公司 | Oil seal air-tightness detection device |
| CN105067234A (en) * | 2015-07-17 | 2015-11-18 | 安阳工学院 | High speed electric main shaft comprehensive experiment platform and experiment method |
| CN205120355U (en) * | 2015-11-07 | 2016-03-30 | 烟台润蚨祥油封有限公司 | Rotatory oil blanket test bench |
| CN106323550A (en) * | 2015-06-30 | 2017-01-11 | 江苏新真威试验机械有限公司 | Novel rotation type sealing ring performance test machine |
| CN207763951U (en) * | 2018-01-05 | 2018-08-24 | 重庆齿轮箱有限责任公司 | A kind of outside framework oil seal simulation test device |
| CN110441004A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of rotation axis seal leakage amount measuring device for electricity and its measurement method |
| KR20200011112A (en) * | 2018-07-24 | 2020-02-03 | 문성현 | Sealing device for leak testing device with automatic angle correction function |
| CN210034404U (en) * | 2019-04-03 | 2020-02-07 | 宣化钢铁集团有限责任公司 | Follow-up shaft head sealing oil baffle device |
| CN211249878U (en) * | 2019-11-27 | 2020-08-14 | 珠海市钧兴机电有限公司 | Rotary oil seal press-fit jig |
-
2020
- 2020-11-02 CN CN202011203792.4A patent/CN112362245A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB832836A (en) * | 1956-08-23 | 1960-04-13 | Phoenix Steel Corp | Tubular pipe testing machine |
| CN201302506Y (en) * | 2008-11-03 | 2009-09-02 | 书元机械企业(昆山)有限公司 | Oil seal air-tightness detection device |
| CN106323550A (en) * | 2015-06-30 | 2017-01-11 | 江苏新真威试验机械有限公司 | Novel rotation type sealing ring performance test machine |
| CN105067234A (en) * | 2015-07-17 | 2015-11-18 | 安阳工学院 | High speed electric main shaft comprehensive experiment platform and experiment method |
| CN205120355U (en) * | 2015-11-07 | 2016-03-30 | 烟台润蚨祥油封有限公司 | Rotatory oil blanket test bench |
| CN207763951U (en) * | 2018-01-05 | 2018-08-24 | 重庆齿轮箱有限责任公司 | A kind of outside framework oil seal simulation test device |
| KR20200011112A (en) * | 2018-07-24 | 2020-02-03 | 문성현 | Sealing device for leak testing device with automatic angle correction function |
| CN210034404U (en) * | 2019-04-03 | 2020-02-07 | 宣化钢铁集团有限责任公司 | Follow-up shaft head sealing oil baffle device |
| CN110441004A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of rotation axis seal leakage amount measuring device for electricity and its measurement method |
| CN211249878U (en) * | 2019-11-27 | 2020-08-14 | 珠海市钧兴机电有限公司 | Rotary oil seal press-fit jig |
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Application publication date: 20210212 |