CN205909879U - Gaseous turbine flowmeter watch core subassembly - Google Patents
Gaseous turbine flowmeter watch core subassembly Download PDFInfo
- Publication number
- CN205909879U CN205909879U CN201620795193.9U CN201620795193U CN205909879U CN 205909879 U CN205909879 U CN 205909879U CN 201620795193 U CN201620795193 U CN 201620795193U CN 205909879 U CN205909879 U CN 205909879U
- Authority
- CN
- China
- Prior art keywords
- watch core
- bearing
- rod
- rotating shaft
- gas turbine
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a gaseous turbine flowmeter watch core subassembly, it includes watch core support, pivot and signal sending disk, the shaft hole has been seted up on the watch core support, the pivot is passed through the bearing and is installed with rotating in the shaft hole, just the both ends of pivot extend to outside the shaft hole, the head of pivot is equipped with connecting portion, signal sending disk fixes the afterbody of pivot, the lateral wall of watch core support has been seted up and has been refueled the passageway, refuel passageway branch become with the branch road that bearing quantity is the same, the exit end orientation of branch road the bearing, oil pipe is installed in the tip cooperation of passageway of refueling. The utility model discloses gaseous turbine flowmeter watch core subassembly, simple structure is compact, equipment convenient and fast, low in manufacturing cost, and move the precision height, long service lifetime.
Description
Technical field
The utility model is related to a kind of flowmeter, particularly to a kind of gas turbine meter watch core assembly.
Background technology
Gas turbine meter is mainly used in air in industrial pipeline, nitrogen, oxygen, hydrogen, biogas, natural gas, steam
Etc. the flow measurement of medium fluid, joined by fluid density, pressure, temperature, viscosity etc.
The impact of number.Gas turbine meter is more suitable for the larger occasion of changes in flow rate amplitude, its wider amount compared with differential pressure flowmeter
Journey ratio, can reduce measurement pipe diameter to a certain extent again, reduce investment.Development with gas metering technology and to natural
Gas trade, the raising of handing-over measuring requirement, gas turbine meter will progressively be used in natural gas flow measuring.Simultaneously by
Less in the density of natural gas, how to simplify the structure of turbine flowmeter further, simplify the installation of turbine flowmeter and enter one
Step improves the sensitivity of turbine flowmeter, is the important topic in existing turbine flowmeter research and development, and gas of the prior art
Turbine flowmeter detecting element complex structure, manufacturing cost is high, and precision, sensitivity is low and service life is short.
Utility model content
[1] technical problem to be solved
The technical problems to be solved in the utility model is to provide a kind of simple and compact for structure, low cost of manufacture, precision and spirit
Sensitivity height and the gas turbine meter watch core assembly of long service life.
[2] technical scheme of solve problem
The utility model provides a kind of gas turbine meter watch core assembly, and it includes watch core bearing 1, rotating shaft 4 and sender
Disk 402, described watch core bearing offers axis hole 103, and described rotating shaft is rotatably mounted in described axis hole and institute by bearing
The two ends stating rotating shaft extend to outside described axis hole, and the head of described rotating shaft is provided with connecting portion 401, and described sender set is fixed on described
The afterbody of rotating shaft, the side wall of described watch core bearing offers filling passage 104, and described filling passage is branched off into and described bearing number
Amount identical branch road 1042, towards described bearing, the end cooperation of described filling passage is provided with oil to the port of export of described branch road
Pipe 105.
Further, described watch core bearing includes interconnective disc and bearing body, and described axis hole is opened in described
On bearing body and to extend to described disk external, and described axis hole is coaxial with described disc, and described disc is fixed with energy
Push down the gland 2 of bearing.
Further, described bearing is two and is separately mounted to the two ends of described axis hole.
Further, described connecting portion is threaded body or cross section is the prism of regular polygon.
Further, the side wall of described watch core bearing offers shrinkage pool, and the bottom surface of described shrinkage pool offers described oiling and leads to
Road, is provided with sealing ring between described shrinkage pool inwall and described oil-pipe external wall.
Further, described rotating shaft includes first body of rod, second body of rod and the 3rd body of rod being sequentially connected, described second bar
The diameter with diameter greater than described first body of rod and the 3rd body of rod of body.
[3] beneficial effect
The utility model gas turbine meter watch core assembly, simple and compact for structure, easy to assembly quick, manufacturing cost
Low, and running precision and sensitivity height；Long service life.
Brief description
Fig. 1 is the structural representation of the utility model gas turbine meter watch core assembly；
Fig. 2 is another angle schematic diagram of the utility model gas turbine meter watch core assembly；
Fig. 3 is the sectional view of the utility model gas turbine meter watch core assembly.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model embodiment is discussed in detail.
Refering to Fig. 1 to Fig. 3, the utility model provides a kind of gas turbine meter watch core assembly, and it includes watch core bearing
1st, rotating shaft 4 and sender set 402, running through on watch core bearing has axis hole 103, rotating shaft is rotatably mounted in axis hole by bearing,
And the two ends of this rotating shaft extend to outside axis hole, the head of rotating shaft is provided with connecting portion 401, and this connecting portion is threaded body or cross section is
The prism of regular polygon, offers screwed hole in the end of connecting portion, and sender set is fixed on the afterbody of rotating shaft by nut, in table
The side wall of core bearing offers filling passage 104, and this filling passage is branched off into and number of bearings identical branch road 1042, and each
All towards corresponding bearing, the cooperation in the end of filling passage is provided with oil pipe 105 to the port of export of branch road；In the present embodiment
Watch core bearing include interconnective disc and bearing body, axis hole is opened on bearing body and axially extends to disc
Outward, and this axis hole is coaxial with disc, the gland 2 that can push down bearing is fixed with disc；Bearing is two and pacifies respectively
It is contained in the two ends of axis hole, therefore branch road is also two；Offer shrinkage pool in the side wall of watch core bearing, in the present embodiment, it opens up
On bearing body, offer filling passage in the bottom surface of this shrinkage pool, between shrinkage pool inwall and oil-pipe external wall, be provided with sealing ring, should
Sealing ring is o type circle；Process for convenience and install and fix, first body of rod that the rotating shaft in the present embodiment includes being sequentially connected,
Second body of rod and the 3rd body of rod, the diameter with diameter greater than first body of rod and the 3rd body of rod of second body of rod, connecting portion is in first
Rod end, sender set is fixed on the 3rd rod end, and between first body of rod and second body of rod, second body of rod and the 3rd body of rod
Between be respectively formed the shaft shoulder, two bearings are separately mounted on two shaft shoulders.
The utility model gas turbine meter watch core assembly, simple and compact for structure, easy to assembly quick, manufacturing cost
Low, and running precision and sensitivity height；Long service life.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of gas turbine meter watch core assembly it is characterised in that: include watch core bearing (1), rotating shaft (4) and sender set
(402), described watch core bearing offers axis hole (103), described rotating shaft be rotatably mounted in described axis hole by bearing and
The two ends of described rotating shaft extend to outside described axis hole, and the head of described rotating shaft is provided with connecting portion (401), and described sender set is fixed on
The afterbody of described rotating shaft, the side wall of described watch core bearing offers filling passage (104), described filling passage be branched off into described
Number of bearings identical branch road (1042), the port of export of described branch road is towards described bearing, the end cooperation of described filling passage
Oil pipe (105) is installed.
2. gas turbine meter watch core assembly as claimed in claim 1 it is characterised in that: described watch core bearing includes mutually
The disc connecting and bearing body, described axis hole is opened on described bearing body and extends to described disk in vitro, and described axle
Hole is coaxial with described disc, and described disc is fixed with the gland (2) that can push down bearing.
3. gas turbine meter watch core assembly as claimed in claim 1 it is characterised in that: described bearing is two and respectively
It is arranged on the two ends of described axis hole.
4. gas turbine meter watch core assembly as claimed in claim 1 it is characterised in that: described connecting portion be threaded body or
Cross section is the prism of regular polygon.
5. gas turbine meter watch core assembly as claimed in claim 1 it is characterised in that: the side wall of described watch core bearing is opened
It is provided with shrinkage pool, the bottom surface of described shrinkage pool offers described filling passage, is provided between described shrinkage pool inwall and described oil-pipe external wall
Sealing ring.
6. gas turbine meter watch core assembly as claimed in claim 1 it is characterised in that: described rotating shaft includes being sequentially connected
First body of rod, second body of rod and the 3rd body of rod, described second body of rod with diameter greater than described first body of rod and the 3rd body of rod
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795193.9U CN205909879U (en) | 2016-07-25 | 2016-07-25 | Gaseous turbine flowmeter watch core subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795193.9U CN205909879U (en) | 2016-07-25 | 2016-07-25 | Gaseous turbine flowmeter watch core subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909879U true CN205909879U (en) | 2017-01-25 |
Family
ID=57803053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795193.9U Expired - Fee Related CN205909879U (en) | 2016-07-25 | 2016-07-25 | Gaseous turbine flowmeter watch core subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205909879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561186A (en) * | 2017-12-29 | 2018-09-21 | 无锡宝宏船舶机械有限公司 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
-
2016
- 2016-07-25 CN CN201620795193.9U patent/CN205909879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561186A (en) * | 2017-12-29 | 2018-09-21 | 无锡宝宏船舶机械有限公司 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20190725 |