CN207379852U - A kind of measurement device for sealing shaft part case hardness reasonable value - Google Patents
A kind of measurement device for sealing shaft part case hardness reasonable value Download PDFInfo
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- CN207379852U CN207379852U CN201721313572.0U CN201721313572U CN207379852U CN 207379852 U CN207379852 U CN 207379852U CN 201721313572 U CN201721313572 U CN 201721313572U CN 207379852 U CN207379852 U CN 207379852U
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- sealing
- axle sleeve
- shaft part
- case hardness
- housing
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Abstract
A kind of measurement device for sealing shaft part case hardness reasonable value, it is related to Determination of Hardness engineering device technique field, it is made of housing, pressing plate, sealing, temperature sensor, connecting line, collecting ring, axle sleeve and transmission shaft, transmission outer shaft sleeve has axle sleeve, axle sleeve outer wall is connected by sealing with housing, in sealing installation and housing, sealing is compressed by pressing plate and housing, the inner hole sleeve of sealing is arranged on axle sleeve, axle sleeve one side is inserted into temperature sensor, the axially mounted collecting ring of axle sleeve end face, the connecting line of the temperature sensor introduce the end of collecting ring.The measurement device of this sealing shaft part case hardness reasonable value has the characteristics that strong operability and highly practical, it will obtain homologous thread of the case hardness with contacting linear velocity, and then provide foundation to seal the design of shaft part, it can accurately determine the shaft part case hardness of contact linear velocity, be suitble to large-scale promotion and use.
Description
Technical field：
The utility model is related to Determination of Hardness engineering device technique fields, and in particular to a kind of sealing shaft part case hardness reasonable value
Measurement device.
Background technology：
Lip packing is the common seal form of industrial equipment, and it is defeated to be widely used in transmission, aviation, navigation, metallurgy, fluid
It send and the fields such as Petroleum Production.Lip packing belongs to contact seal, and lip is contacted directly with axis surface, when lip and axis surface
When contact is not tight, it will leak.Sealing obturages state change with shaft part surface and is mainly derived from two aspects, sealing wear or axis table
Surface wear.The troubleshooting of sealing wear can be by selecting different rubber materials to improve wearability or the periodic replacement of rubber
It seals to improve.But the transmission shaft process-cycle is longer, and cost is higher, replaces and more bothers, shaft part surface is avoided so should try one's best
Abrasion.The contact hardness on shaft part surface can be improved by surface hardening process, but can generate larger cost, so sealing
During the design of shaft part, the design load of rational shaft part hardness need to be provided according to the use scope that linear velocity is contacted at sealing.
Utility model content：
The purpose of this utility model is to overcome above-mentioned the shortcomings of the prior art part, and provide a kind of sealing axis
The measurement device of segment table surface hardness reasonable value, it have it is simple in structure, can accurately determine contact linear velocity shaft part surface it is hard
Degree.
The technical solution adopted in the utility model is：A kind of measurement device for sealing shaft part case hardness reasonable value, by shell
Body, pressing plate, sealing, temperature sensor, connecting line, collecting ring, axle sleeve and transmission shaft composition, transmission outer shaft sleeve have axle sleeve, axle sleeve
Outer wall is connected by sealing with housing, and in housing, sealing and being compressed by pressing plate and housing, the endoporus of sealing is arranged for sealing installation
In on axle sleeve, axle sleeve one side insertion temperature sensor, the axially mounted collecting ring of axle sleeve end face, the temperature sensor
Connecting line introduces the end of collecting ring.
The temperature sensor is used to measure axle sleeve and the surface temperature at place in sealing contact.
The beneficial effects of the utility model are：The measurement device of this sealing shaft part case hardness reasonable value has strong operability
And the features such as highly practical, homologous thread of the case hardness with contacting linear velocity, and then setting for sealing shaft part will be obtained
Meter provides foundation, can accurately determine the shaft part case hardness of contact linear velocity, is suitble to large-scale promotion and use.
Description of the drawings：
Fig. 1 is the utility model structure diagram.
Specific embodiment：
With reference to Fig. 1, a kind of measurement device for sealing shaft part case hardness reasonable value, by housing 1, pressing plate 2, sealing 3, temperature
Sensor 4, connecting line 5, collecting ring 6, axle sleeve 7 and transmission shaft 8 form, and are cased with axle sleeve 7 outside transmission shaft 8,7 outer wall of axle sleeve passes through close
Envelope 3 is connected with housing 1, and 3 installation of sealing is compressed in housing 1, sealing 3 by pressing plate 2 and housing 1, is sealed 3 inner hole sleeve and is arranged on
On axle sleeve 7,7 one side of axle sleeve insertion temperature sensor 4, the axially mounted collecting ring 6 of 7 end face of axle sleeve, the temperature sensing
The connecting line 5 of device 4 introduces the end of collecting ring 6.The temperature sensor 4 is used to measure axle sleeve 7 with sealing the table of 3 contact positions
Face temperature.The assay method is：In 3 contact position linear velocity of different sealing, axle sleeve is measured using temperature sensor 4
7 surface temperature with sealing 3 contact positions, 7 surface temperature of control axle sleeve are no more than 150 DEG C, and as temperature limit value, measurement is not
Hardness of the axle sleeve 7 under different contact line speed conditions with case hardness reduces situation, is not less than the hardness after reduction
30HRC；In contact linear velocity smaller range, axle sleeve 7, which contacts surface temperature, can be less than 150 DEG C, the drop of 7 case hardness of axle sleeve
Low to increase with the increase of contact linear velocity, after contact linear velocity reaches certain numerical value, axle sleeve 7 contacts surface temperature will
Reach 150 DEG C, the contact linear velocity uses linear velocity for highest at this time, and corresponding 7 case hardness of axle sleeve is highest design load.
In different sealing contact position linear velocity, axle sleeve 7 is measured with sealing 3 contact positions using temperature sensor 4
Surface temperature.Because the martensite in steel will change under lonneal state as stable tempered martensite, case hardness
Returning has decline, and the average tempering of steel declines the intensity for causing steel part, so 7 surface temperature of control axle sleeve is no more than 150 DEG C
（The low tempering temperatures of steel）.As temperature limit value, the axle sleeve 7 of different surfaces hardness is measured in different contact linear velocity feelings
Hardness under condition reduces situation, and the hardness after reduction is made to be not less than 30HRC.So in contact linear velocity smaller range, axle sleeve
7 contact surface temperatures can be less than 150 DEG C, and reducing for 7 case hardness of axle sleeve can increase with the increase of contact linear velocity, when
After contact linear velocity reaches certain numerical value, axle sleeve 7 contacts surface temperature and is up to 150 DEG C, and the contact linear velocity is highest at this time
Using linear velocity, corresponding 7 case hardness of axle sleeve is highest design load.By the assay method, a case hardness will be obtained
Homologous thread with contacting linear velocity, and then provide foundation to seal the design of shaft part.
In conclusion the measurement device of this sealing shaft part case hardness reasonable value has strong operability and highly practical grade spies
Point will obtain homologous thread of the case hardness with contacting linear velocity, and then provide foundation to seal the design of shaft part, can
The accurate shaft part case hardness for determining contact linear velocity, is suitble to large-scale promotion and use.
Claims (2)
1. a kind of measurement device for sealing shaft part case hardness reasonable value, by housing（1）, pressing plate（2）, sealing（3）, temperature sensing
Device（4）, connecting line（5）, collecting ring（6）, axle sleeve（7）And transmission shaft（8）Composition, it is characterised in that：Transmission shaft（8）It is cased with axis outside
Set（7）, axle sleeve（7）Outer wall passes through sealing（3）With housing（1）Connection, sealing（3）Installation and housing（1）It is interior, sealing（3）Pass through
Pressing plate（2）With housing（1）It compresses, sealing（3）Inner hole sleeve be arranged on axle sleeve（7）On, axle sleeve（7）One side is inserted into temperature sensor
（4）, axle sleeve（7）The axially mounted collecting ring of end face（6）, the temperature sensor（4）Connecting line（5）Introduce collecting ring
（6）End.
2. a kind of measurement device for sealing shaft part case hardness reasonable value according to claim 1, it is characterised in that：Temperature
Sensor（4）For measuring axle sleeve（7）With sealing（3）The surface temperature of contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313572.0U CN207379852U (en) | 2017-10-12 | 2017-10-12 | A kind of measurement device for sealing shaft part case hardness reasonable value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313572.0U CN207379852U (en) | 2017-10-12 | 2017-10-12 | A kind of measurement device for sealing shaft part case hardness reasonable value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207379852U true CN207379852U (en) | 2018-05-18 |
Family
ID=62338310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313572.0U Active CN207379852U (en) | 2017-10-12 | 2017-10-12 | A kind of measurement device for sealing shaft part case hardness reasonable value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207379852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505216A (en) * | 2017-10-12 | 2017-12-22 | 中国船舶重工集团公司第七0三研究所 | A kind of measure device of seal shaft segment table surface hardness reasonable value |
-
2017
- 2017-10-12 CN CN201721313572.0U patent/CN207379852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505216A (en) * | 2017-10-12 | 2017-12-22 | 中国船舶重工集团公司第七0三研究所 | A kind of measure device of seal shaft segment table surface hardness reasonable value |
| CN107505216B (en) * | 2017-10-12 | 2024-06-07 | 中国船舶重工集团公司第七0三研究所 | Measuring device for reasonable hardness value of surface of sealing shaft section |
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