CN207036185U - A kind of gas turbine meter bearing location structure - Google Patents
A kind of gas turbine meter bearing location structure Download PDFInfo
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- CN207036185U CN207036185U CN201720301083.7U CN201720301083U CN207036185U CN 207036185 U CN207036185 U CN 207036185U CN 201720301083 U CN201720301083 U CN 201720301083U CN 207036185 U CN207036185 U CN 207036185U
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- bearing
- bearing gland
- support
- gland
- wave washer
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Abstract
The utility model belongs to gas flow measurement field, a kind of more particularly to gas turbine meter bearing location structure, including support, axle, bearing, bearing gland, wave washer, pan head screw and impeller, axle is fixed with support assembling, wave washer is assemblied between bearing and support, bearing gland is pressed on bearing, bearing gland is cylindrical to be positioned with support seam with hole base system of fits, bearing gland is fixed on support by pan head screw, and impeller is fixed by the pilot hole among bearing gland with axle and bearing.The beneficial effects of the utility model：Eliminate small-bore turbine flowmeter middle (center) bearing installation and produce external carbuncle, improve bearing service life, bearing gland sets ream flat hole, with bearing gland with support seam is cylindrical is positioned with hole base system of fits, reduce the difficulty of processing of part, simplify processing technology, the installation of wave washer to bearing when being hit suddenly from cushioning effect, the impact resistance of instrument in itself is improved, improves the service life of instrument.
Description
Technical field
The utility model belongs to field of flow measurement, bearing described in particularly small-bore (below DN80) turbine flowmeter
Positioning.A kind of more particularly to gas turbine meter bearing location structure.
Background technology
In flow instrument, turbine flowmeter uses extensive, accuracy of instrument height.Bearing described in its vital part is even more to use
For the miniature bearing, bearing load is very small, this just to the bearing mounting means and part processing precision requirement very
Strictly.Nowadays bearing mounting means described in turbine flowmeter is to be positioned by described this body structure of bearing, is consolidated with sunk screw
The fixed bearing gland, virtually apply an installation external carbuncle to the bearing；In addition countersunk head hole machined is not in place, can give institute
State bearing installation and cause deathblow.This just causes very big difficulty to assembling, processing；Somewhat assemble it is improper will direct shadow
Ring service life.
Utility model content
To solve to solve the installation question of bearing described in small-bore (below DN80) turbine flowmeter, this practicality
A kind of new gas turbine meter bearing location structure of offer.
The technical solution of the utility model：A kind of gas turbine meter bearing location structure, including support, axle, bearing,
Bearing gland, wave washer, pan head screw and impeller, it is characterised in that the axle is fixed with support assembling, the waveform
Packing ring is assemblied between the bearing and the support, and the bearing gland is pressed on the bearing, outside the bearing gland
Circle coordinates positioning to fix with the support seam, is fixed the bearing gland on the bracket with the pan head screw, institute
Impeller is stated to fix with the axle and the bearing by the pilot hole among the bearing gland.
Preferably, cylindrical -0.01~-0.05mm of the bearing gland and the support seam 0~0.02mm datum holes
System coordinates.
Preferably, it is described with pan head screw by by being arranged on the ream flat hole on the bearing gland circumference by the bearing
Gland, which is fixed to distribute alternately with the ream flat hole on the bracket, on the bearing gland circumference, screwed hole.
Preferably, the wave washer is using material SUS304H or SUS304L, the wave washer waveform number 5-6, institute
State wave washer free height 3.2-5.6mm, the wave washer thickness 0.5-0.6mm.
Preferably, the screwed hole is 3-6.
The utility model beneficial effect is：
1. eliminating bearing installation described in small-bore (below DN80) turbine flowmeter produces external carbuncle, the bearing is improved
Service life.
2. the bearing gland sets ream flat hole, with the bearing gland and the support seam excircle orientation, reduce
The difficulty of processing of part, simplifies processing technology.
3. the installation of wave washer to the bearing when being hit suddenly from cushioning effect, improve instrument anti-in itself
Impact, improve the service life of instrument.
Brief description of the drawings
Fig. 1 is scheme of installation of the present utility model.
Fig. 2 is a kind of knot of Fig. 1 partial enlarged drawing gas turbine meter bearing location structure i.e. of the present utility model
Structure schematic diagram.
Fig. 3 is the structural representation of bearing gland of the present utility model.
Fig. 4 is Fig. 3 sectional view.
Fig. 5 is the structural representation of wave washer of the present utility model.
Fig. 6 is the compression process schematic diagram of wave washer of the present utility model.
In figure, 1. supports, 2. axles, 3. bearings, 4. bearing glands, 5. wave washers, 6. pan head screws, 7. impellers, 8. reams
Flat hole, 9. pilot holes, 10. screwed holes.
Embodiment
A kind of embodiment of the present utility model is explained below in conjunction with the accompanying drawings.
It the utility model is related to a kind of gas turbine meter bearing location structure, including support 1, axle 2, bearing 3, bearing
Gland 4, wave washer 5, pan head screw 6 and impeller 7, axle 2 are fixed with the assembling of support 1, and wave washer 5 is assemblied in bearing 3 and branch
Between frame 1, the stress of presence bearing 3 of wave washer 5 has individual cushioning effect power when fluid impacts suddenly, plays protection bearing 3
Effect, bearing gland 4 are pressed on bearing 3, and bearing gland 4 is cylindrical to coordinate positioning to fix with the seam of support 4, bearing gland 4
Cylindrical (- 0.01~-0.05mm) and support 1 seam (0~0.02mm) ensures bearing gland 4, the and of bearing 3 with hole base system of fits
1 relative position of support, bearing gland 4 is fixed on support 1 with pan head screw 6, installation process middle (center) bearing 3 itself is not by volume
Outer stress, the service life of bearing 3 being improved, impeller 7 is fixed by the pilot hole 9 among bearing gland 4 with axle 2 and bearing 3,
Assembling is completed, assembles simple and fast.The technical program the overall simplification processing of part, the assembly technology of complete machine；Lift osculum
The shock resistance of footpath instrument, improve the service life of instrument.
0~the 0.02mm of seam of cylindrical -0.01~-0.05mm and support 1 of bearing gland 4 ensures axle with hole base system of fits
Relative position between pressure cap 4, bearing 3 and support 1, it is simple in construction, it is easy to accomplish, accurate positioning.
Bearing gland 4 will be fixed on by 1 frame of branch by the ream flat hole 8 being arranged on the circumference of bearing gland 4 with pan head screw 6
On, the processing technology of bearing gland 4 is then pincers worker punching after the completion of lathe process, and critical size (bearing gland excircle dimension) is controlled
System is simple；Ream flat hole phase 8 requires relative loose for the position degree of counter sink, and it is convenient during hole that the pincers worker of ream flat hole 8 is processed, and cost is low
It is honest and clean, and be easily guaranteed that its service precision, the structure of bearing gland 4 directly eliminate bearing 3 install caused by additionally should
Power, improve the service life of bearing 4.Being distributed alternately on the circumference of bearing gland 4 with ream flat hole 8 has screwed hole 10, the side of screwed hole 10
Just bearing gland 4 is dismantled during maintenance maintenance, the screw thread specification of screwed hole 10 is consistent with the screw thread that fixing axle pressure-bearing 4 is covered, available
Itself pan head screw 6, convenient material drawing, bearing gland 4 are easy to put forth effort, simple and fast.
Wave washer 5 uses material SUS304H or SUS304L, corrosion resistance and excellent heat resistance；After welding or elimination should
After power, good corrosion resistance can be also kept；Deep drawing quality, polishability are excellent；The hardness of wave washer 5 is 370-430HV, wave washer
5 use material wave washer waveform number 5-6, the free height 3.2-5.6mm of wave washer 5, the thickness 0.5-0.6mm of wave washer 5,
Meet JB/T 7590-2005 standards, shaft strength plays cushioning effect when the installation convection body of wave washer 5 is impacted suddenly, reaches
The effect of bearing is protected, has great lifting to the impact resistance of instrument, wave washer type selecting is reasonable, the larger cushioning effect of elastic force
It is good, and whole impulse stroke elastic force release asks more uniform.
Screwed hole 10 is 3-6, is adjusted according to being actually needed, screw thread specification and the screw thread one of fixing bearing gland
Cause, itself pan head screw, convenient material drawing can be utilized, bearing gland is easy to put forth effort, simple and fast.
Embodiment 1:
A kind of gas turbine meter bearing location structure, including support, axle, bearing, bearing gland, wave washer, disk
Head screw and impeller, axle are fixed with support assembling, and wave washer is assemblied between bearing and support, waveform when fluid impacts suddenly
The presence shaft strength of packing ring has individual cushioning effect power, plays a part of protecting bearing, bearing gland is pressed on bearing, bearing
Gland is cylindrical to coordinate positioning to fix with support seam, bearing gland is fixed on support with pan head screw, installation process axis
Itself is held not by extra stress, improves bearing service life, impeller passes through the pilot hole among bearing gland and axle and axle
Fixation is held, completes assembling, assembles simple and fast；The technical program the overall simplification processing of part, the assembly technology of complete machine；Carry
The shock resistance of small-bore instrument is risen, improves the service life of instrument.
Cylindrical (- 0.01~-0.05mm) and support seam (0~0.02mm) of bearing gland are ensured with hole base system of fits
Relative position between bearing gland, bearing and support, it is simple in construction, it is easy to accomplish, accurate positioning.
Embodiment 2:
A kind of gas turbine meter bearing location structure, including support, axle, bearing, bearing gland, wave washer, disk
Head screw and impeller, axle are fixed with support assembling, and wave washer is assemblied between bearing and support, waveform when fluid impacts suddenly
The presence shaft strength of packing ring has individual cushioning effect power, plays a part of protecting bearing, bearing gland is pressed on bearing, bearing
Gland is cylindrical to coordinate positioning to fix with support seam, bearing gland is fixed on support with pan head screw, installation process axis
Itself is held not by extra stress, improves bearing service life, impeller passes through the pilot hole among bearing gland and axle and axle
Fixation is held, completes assembling, assembles simple and fast；The technical program the overall simplification processing of part, the assembly technology of complete machine；Carry
The shock resistance of small-bore instrument is risen, improves the service life of instrument.
Cylindrical (- 0.01~-0.05mm) and support seam (0~0.02mm) of bearing gland are ensured with hole base system of fits
Relative position between bearing gland, bearing and support, it is simple in construction, it is easy to accomplish, accurate positioning.
Bearing gland will be fixed on pan head screw on support by the ream flat hole being arranged on bearing gland circumference, axle
Pressure cap processing technology is then pincers worker punching after the completion of lathe process, and critical size (bearing gland excircle dimension) control is simple
It is single；Ream flat hole requires relative loose relative to the position degree of counter sink, and it is convenient during hole that the pincers worker of ream flat hole is processed, and cost is cheap, and
And its service precision is easily guaranteed that, the structure of bearing gland directly eliminates extra-stress caused by bearing installation, raising
Bearing service life.Being distributed alternately on bearing gland circumference with ream flat hole has screwed hole, and screwed hole is 3, screwed hole hole side
Just bearing gland is dismantled during maintenance maintenance, screw thread specification is consistent with the screw thread of fixing bearing gland, can utilize itself pan head screw
, convenient material drawing, bearing gland is easy to put forth effort, simple and fast.
Embodiment 3：
A kind of gas turbine meter bearing location structure, including support, axle, bearing, bearing gland, wave washer, disk
Head screw and impeller, axle are fixed with support assembling, and wave washer is assemblied between bearing and support, waveform when fluid impacts suddenly
The presence shaft strength of packing ring has individual cushioning effect power, plays a part of protecting bearing, bearing gland is pressed on bearing, bearing
Gland is cylindrical to coordinate positioning to fix with support seam, bearing gland is fixed on support with pan head screw, installation process axis
Itself is held not by extra stress, improves bearing service life, impeller passes through the pilot hole among bearing gland and axle and axle
Fixation is held, completes assembling, assembles simple and fast；The technical program the overall simplification processing of part, the assembly technology of complete machine；Carry
The shock resistance of small-bore instrument is risen, improves the service life of instrument.
Cylindrical (- 0.01~-0.05mm) and support seam (0~0.02mm) of bearing gland are ensured with hole base system of fits
Relative position between bearing gland, bearing and support, it is simple in construction, it is easy to accomplish, accurate positioning.
Bearing gland will be fixed on pan head screw on support by the ream flat hole being arranged on bearing gland circumference, axle
Pressure cap processing technology is then pincers worker punching after the completion of lathe process, and critical size (bearing gland excircle dimension) control is simple
It is single；Ream flat hole requires relative loose relative to the position degree of counter sink, and it is convenient during hole that the pincers worker of ream flat hole is processed, and cost is cheap, and
And its service precision is easily guaranteed that, the structure of bearing gland directly eliminates extra-stress caused by bearing installation, raising
Bearing service life.Being distributed alternately on bearing gland circumference with ream flat hole has screwed hole, and screwed hole is 3, screwed hole hole side
Just bearing gland is dismantled during maintenance maintenance, screw thread specification is consistent with the screw thread of fixing bearing gland, can utilize itself pan head screw
, convenient material drawing, bearing gland is easy to put forth effort, simple and fast.
Wave washer uses material SUS304H or SUS304L, corrosion resistance and excellent heat resistance；After welding or elimination should
After power, good corrosion resistance can be also kept；Deep drawing quality, polishability are excellent；Wave washer hardness is 370-430HV, wave washer
Using material wave washer waveform number 5-6, wave washer free height 3.2-5.6mm, wave washer thickness 0.5-0.6mm, symbol
JB/T 7590-2005 standards are closed, shaft strength plays cushioning effect when the installation convection body of wave washer is impacted suddenly, reaches guarantor
The effect of bearing is protected, has great lifting to the impact resistance of instrument, wave washer type selectings are reasonable, and wave washer uses WN types
Wave washer is multilayer crest Overlapping elastic washer, the series and WL, the larger good buffering function of elastic force, and whole impulse stroke
Elastic force release asks more uniform, advantageously reduces the impact resistance to instrument.
The course of work is as follows：Axle is fixed with support assembling；Wave washer is assemblied between bearing and support；Bearing gland pressure
It is placed on bearing, cylindrical (- 0.01~-0.05mm) and support seam (0~0.02) of bearing gland are protected with hole base system of fits
Relative position between bearing gland, bearing and support is demonstrate,proved, it is simple in construction, it is easy to accomplish, accurate positioning, with pan head screw by bearing pressure
Lid is fixed on support, and installation process middle (center) bearing not by extra stress, improves bearing service life in itself；Impeller passes through axle
Pilot hole among pressure cap is fixed with axle and bearing, completes assembling, assembles simple and fast, and the installation convection body of wave washer is dashed forward
So shaft strength plays cushioning effect during impact, reaches the effect of protection bearing, has great lifting, ripple to the impact resistance of instrument
Shape packing ring type selecting is reasonable, and elastic force is compared with good buffering function, and whole impulse stroke elastic force release asks more uniform.
Bearing gland will be fixed on pan head screw on support by the ream flat hole being arranged on bearing gland circumference, axle
Pressure cap processing technology is then pincers worker punching after the completion of lathe process, and critical size (bearing gland excircle dimension) control is simple
It is single；Ream flat hole requires relative loose relative to the position degree of counter sink, and it is convenient during hole that the pincers worker of ream flat hole is processed, and cost is cheap, and
And its service precision is easily guaranteed that, the structure of bearing gland directly eliminates extra-stress caused by bearing installation, raising
Bearing service life.
Compared with prior art, the technical program eliminates small-bore (below DN80) turbine flowmeter middle (center) bearing installation and produced
External carbuncle, improve bearing service life；Bearing gland sets ream flat hole, with bearing gland and support seam excircle orientation, reduces
The difficulty of processing of part, simplifies processing technology；The installation of wave washer to bearing suddenly be hit when from cushioning effect,
The impact resistance of instrument in itself is improved, improves the service life of instrument, wave washer type selecting is reasonable, and elastic force is compared with cushioning effect
It is good, and whole impulse stroke elastic force release asks more uniform.
An example of the present utility model is described in detail above, but content is only of the present utility model preferably real
Apply example, it is impossible to be considered as being used to limit practical range of the present utility model.All equalizations made according to present utility model application scope
Change and improvement etc., all should still be belonged within patent covering scope of the present utility model.
Claims (3)
1. a kind of gas turbine meter bearing location structure, including support, axle, bearing, bearing gland, wave washer, coiled hair
Screw and impeller, it is characterised in that the axle is fixed with support assembling, and the wave washer is assemblied in the bearing and institute
Between stating support, the bearing gland is pressed on the bearing, and the bearing gland is cylindrical fixed with support seam cooperation
Position is fixed, is fixed the bearing gland on the bracket with the pan head screw, the impeller passes through the bearing gland
The middle pilot hole is fixed with the axle and the bearing；Cylindrical -0.01~-0.05mm of the bearing gland and described
Support seam 0~0.02mm hole base system of fits；It is described with pan head screw by by being arranged on the bearing gland circumference
The bearing gland is fixed to distribute alternately with the ream flat hole on the bracket, on the bearing gland circumference by ream flat hole to be had
Screwed hole.
2. a kind of gas turbine meter bearing location structure according to claim 1, it is characterised in that the wave washer is adopted
With material SUS304H or SUS304L, the wave washer waveform number 5-6, the wave washer free height 3.2-5.6mm, institute
State wave washer thickness 0.5-06mm.
A kind of 3. gas turbine meter bearing location structure according to claim 1, it is characterised in that the screwed hole 3-6
It is individual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301083.7U CN207036185U (en) | 2017-03-24 | 2017-03-24 | A kind of gas turbine meter bearing location structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301083.7U CN207036185U (en) | 2017-03-24 | 2017-03-24 | A kind of gas turbine meter bearing location structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036185U true CN207036185U (en) | 2018-02-23 |
Family
ID=61473032
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301083.7U Active CN207036185U (en) | 2017-03-24 | 2017-03-24 | A kind of gas turbine meter bearing location structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207036185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11333539B2 (en) * | 2019-11-22 | 2022-05-17 | Inv_Disp_V01, Llc | Flow rate metering device |
-
2017
- 2017-03-24 CN CN201720301083.7U patent/CN207036185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11333539B2 (en) * | 2019-11-22 | 2022-05-17 | Inv_Disp_V01, Llc | Flow rate metering device |
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