CN208736487U - A kind of distortion-free vortex precession flowmeter - Google Patents
A kind of distortion-free vortex precession flowmeter Download PDFInfo
- Publication number
- CN208736487U CN208736487U CN201821516208.9U CN201821516208U CN208736487U CN 208736487 U CN208736487 U CN 208736487U CN 201821516208 U CN201821516208 U CN 201821516208U CN 208736487 U CN208736487 U CN 208736487U
- Authority
- CN
- China
- Prior art keywords
- outer housing
- distortion
- free vortex
- housing
- vortex precession
- 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
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to flowmeter technology fields, more particularly to a kind of distortion-free vortex precession flowmeter, including outer housing, outer housing is internally provided with inner housing, anti-distortion mechanism is provided with outside outer housing, anti-distortion mechanism includes sliding slot, sliding slot is respectively arranged at the left and right ends of outer housing, sliding slot inner horizontal is provided with fixed link, sliding sleeve is slidably connected in fixed link, Pre-stressed pole is rotatably connected on sliding sleeve, Pre-stressed pole opposite one end in the left and right sides is hinged by hinge, flow integrator is installed on outer housing, the arrival end of inner housing is provided with pipe cyclone, the outlet end of inner housing is provided with despinner, the utility model is easy to install and remove, difficulty of processing is small, the pressure loss can be reduced to the greatest extent by the anti-distortion mechanism of setting, spring is answered with pre- by the Pre-stressed pole of setting, high degree enhances The dynamics that equipment is integrally born, and combine the strength and stiffness of outer housing to prevent from deforming, there is very strong practicability.
Description
Technical field
The utility model relates to flowmeter technology fields, and in particular to a kind of distortion-free vortex precession flowmeter.
Background technique
Coal mine gas main component methane, is a kind of inflammable and explosive mixed gas, is constituted safely to coal mining very big
Threat, meanwhile, coal mine gas is a kind of good energy again, exploit simultaneously be able to achieve coal and coal mine gas two using coal mine gas
Kind resource security is efficiently developed.Vortex precession flowmeter can be used for the metering of coal mine gas flow, vortex precession flowmeter
Shell generallys use aluminum alloy materials manufacture, since the strength and stiffness of aluminum alloy materials are poor, often makes during the installation process
At deformation, accuracy and reliability are reduced, and current vortex precession flowmeter pressure loss in metering process is big, shadow
It rings and uses.
A kind of distortion-free vortex precession flowmeter mentioned in patent No. CN201711362594.0, the device include interior
Shell, the fixed outer housing being located at outside the inner housing and the flow integrator for being mounted on the outer housing upper end, the shell
The rear end of body is equipped with the Venturi tube with the inner wall corresponding matching of the gas drainage pipe, and the arrival end of the inner housing is equipped with
The outlet end of spigot, the inner housing is equipped with despinner, is the inspection of the inner housing between the pipe cyclone and the despinner
Section is surveyed, for the device by the way that outer housing to be made of stainless steel material, the strength and stiffness for increasing device entirety carry out anti-deformation,
But due to too strong strength and stiffness, then it is more easier to cause crumbling and deforming for device noumenon, not certain degree of prestressing,
Easily lead to rigid bending, to damage flowmeter.
Utility model content
In view of the deficiencies of the prior art, the utility model discloses a kind of distortion-free vortex precession flowmeters, for solving
Certainly flowmeter often results in deformation during the installation process, reduces accuracy and reliability, influence using the problem of.
Specific technical solution is as follows:
A kind of distortion-free vortex precession flowmeter, including outer housing, the outer housing is internally provided with inner housing, described
Anti-distortion mechanism is provided with outside outer housing, the anti-distortion mechanism includes sliding slot, and the sliding slot is respectively arranged at outer housing
Left and right ends, the sliding slot inner horizontal are provided with fixed link, and sliding sleeve is slidably connected in the fixed link, is turned on the sliding sleeve
Dynamic to be connected with Pre-stressed pole, the Pre-stressed pole opposite one end in the left and right sides is hinged by hinge, installs on the outer housing
There is flow integrator, the arrival end of the inner housing is provided with pipe cyclone, and the outlet end of the inner housing is provided with despinner, institute
It states and forms detection section between pipe cyclone and despinner, pressure sensor, temperature sensor and flow sensor both pass through outer housing
In detection section, the pressure sensor, temperature sensor and flow sensor pass through cable and flow integrator for setting
Connection；
The Pre-stressed pole is circumferentially arranged in around outer housing；
Be provided on the inside of the Pre-stressed pole it is pre- answer spring, it is described pre- spring to be answered to be fixedly connected on outer housing outer wall；
The arrival end of the inner housing is provided with axle sleeve, and the pipe cyclone is mounted on inner housing by axle sleeve；
The pressure sensor, temperature sensor and flow sensor are all made of built-in；
The outer housing is integrally formed using stainless steel material, and the inner housing is made of aluminium alloy；
The flow sensor is arranged in detection section for two and horizontal symmetrical.
The utility model has the advantages that
The utility model structure is simple, and difficulty of processing is small, in use, being installed on gas drainage pipe, passes through setting
Anti-distortion mechanism can reduce the pressure loss to the greatest extent, when equipment during installation, installation personnel holds flowmeter bodies,
Great grip is inevitably generated, at this point, the Pre-stressed pole forced compression being arranged on shell, the sliding sleeve of two sides is simultaneously to two
Side is mobile, at this point, answering spring stress to compress in advance, substantially reduces when the great grip of staff installs outer rigid housing and causes
Rigidity bending impact, avoid flowmeter bodies by deformed damaged, and the strength and stiffness of outer housing is combined to further prevent
Deformation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1: distortion-free vortex precession flowmeter structural schematic diagram；
Fig. 2: distortion-free vortex precession flowmeter cross-sectional view.
Appended drawing reference is as follows: 1, outer housing, 2, inner housing, 3, sliding slot, 4, fixed link, 5, sliding sleeve, 6, Pre-stressed pole, and 7, pre-
Answer spring, 8, flow integrator, 9, pressure sensor, 10, temperature sensor, 11, pipe cyclone, 12, axle sleeve, 13, flow sensing
Device.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1-2: a kind of distortion-free vortex precession flowmeter, including outer housing 1, outer housing 1 are internally provided with interior
Shell 2 is provided with anti-distortion mechanism outside outer housing 1, and anti-distortion mechanism includes sliding slot 3, and sliding slot 3 is respectively arranged at outer housing 1
Left and right ends, 3 inner horizontal of sliding slot is provided with fixed link 4, and sliding sleeve 5, the company of rotation on sliding sleeve 5 are slidably connected in fixed link 4
It is connected to Pre-stressed pole 6, the opposite one end of left and right sides Pre-stressed pole 6 is hinged by hinge, is equipped with flow accumulation on outer housing 1
Instrument 8, the arrival end of inner housing 2 are provided with pipe cyclone 11, and the outlet end of inner housing 2 is provided with despinner 14, pipe cyclone 11 with disappear
Detection section is formed between spigot 14, pressure sensor 9, temperature sensor 10 and flow sensor 13 both pass through the setting of outer housing 1
In detection section, pressure sensor 9, temperature sensor 10 and flow sensor 13 are connected by cable and flow integrator 8
It connects.
Specifically, Pre-stressed pole 6 is circumferentially arranged in around outer housing 1, the inside of Pre-stressed pole 6 be provided with it is pre- should bullet
Spring 7 answers spring 7 to be fixedly connected on 1 outer wall of outer housing in advance, and the arrival end of inner housing 2 is provided with axle sleeve 12, and pipe cyclone 11 passes through
Axle sleeve 12 is mounted on inner housing 2, and pressure sensor 9, temperature sensor 10 and flow sensor 13 are all made of built-in, shell
Body 1 is integrally formed using stainless steel material, and inner housing 2 is made of aluminium alloy, and flow sensor 13 is for two and horizontal symmetrical
Setting is in detection section.
Working principle: its outer housing 1 is made of stainless steel, has enough strength and stiffness, prevents from deforming, be provided with anti-
Deformation mechanism, when installation, staff holds flowmeter, and 6 stress of Pre-stressed pole is to two Slideslips, and sliding sleeve 5 is in fixed link 4 at this time
Upper sliding, until sliding sleeve 5 support to outer housing 1 end stop, in conjunction with the setting for answering spring 7 in advance, be greatly reduced due to
Installing force spends big and causes to deform, and influences the use of equipment, and processing technology is simple, ease of assembly, is installed in watt
On this releasing pipe, when air-flow enters flowmeter, under the effect of pipe cyclone 11, eddy-currents is generated, while reducing the pressure loss,
It throttles suddenly by shell taper contraction section, eddy-currents accelerates to during intermediate straight pipe, eddy-currents enhanced strength, eddy-currents
When continuing precession and passing through shell tapered expansion section, the original direction of eddy-currents center deviation, along a conical helix precession, this
When, two-way whirlpool precession frequency signal is detected by two flow sensors 13, after the processing of flow integrator 8, is converted into two
The road pulse signal directly proportional to flow velocity, detects together with temperature and pressure signal with temperature sensor 10 and pressure sensor 9
Operation obtains the flow value under operating condition and the status of criterion.
The utility model is easy to install and remove, and difficulty of processing is small, can be utmostly by the anti-distortion mechanism of setting
The reduction pressure loss, answer spring by the Pre-stressed pole of setting and in advance, high degree enhance that equipment integrally bears hold
Holding force degree, and combine the strength and stiffness of outer housing to prevent from deforming, there is very strong practicability.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of distortion-free vortex precession flowmeter, including outer housing (1), it is characterised in that: set inside the outer housing (1)
It is equipped with inner housing (2), is provided with anti-distortion mechanism outside the outer housing (1), the anti-distortion mechanism includes sliding slot (3), institute
The left and right ends that sliding slot (3) is respectively arranged at outer housing (1) are stated, sliding slot (3) inner horizontal is provided with fixed link (4), institute
It states and is slidably connected on fixed link (4) sliding sleeve (5), is rotatably connected to Pre-stressed pole (6) on the sliding sleeve (5), left and right sides institute
It is hinged by hinge to state the opposite one end of Pre-stressed pole (6), is equipped with flow integrator (8) on the outer housing (1), it is described interior
The arrival end of shell (2) is provided with pipe cyclone (11), and the outlet end of the inner housing (2) is provided with despinner (14), and described
Detection section, pressure sensor (9), temperature sensor (10) and flow sensor are formed between spigot (11) and despinner (14)
(13) outer housing (1) setting is both passed through in detection section, the pressure sensor (9), temperature sensor (10) and flow sensing
Device (13) is connect by cable with flow integrator (8).
2. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: the Pre-stressed pole (6) is in
Circumference is arranged around outer shell (1).
3. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: the Pre-stressed pole (6)
Inside be provided with it is pre- answer spring (7), it is described pre- spring (7) to be answered to be fixedly connected on outer housing (1) outer wall.
4. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: inner housing (2) enter
Mouth end is provided with axle sleeve (12), and the pipe cyclone (11) is mounted on inner housing (2) by axle sleeve (12).
5. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: the pressure sensor (9),
Temperature sensor (10) and flow sensor (13) are all made of built-in.
6. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: the outer housing (1) uses
Stainless steel material is integrally formed, and the inner housing (2) is made of aluminium alloy.
7. distortion-free vortex precession flowmeter according to claim 1, it is characterised in that: the flow sensor (13)
It is arranged in detection section for two and horizontal symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516208.9U CN208736487U (en) | 2018-09-17 | 2018-09-17 | A kind of distortion-free vortex precession flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516208.9U CN208736487U (en) | 2018-09-17 | 2018-09-17 | A kind of distortion-free vortex precession flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208736487U true CN208736487U (en) | 2019-04-12 |
Family
ID=66033868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821516208.9U Expired - Fee Related CN208736487U (en) | 2018-09-17 | 2018-09-17 | A kind of distortion-free vortex precession flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208736487U (en) |
-
2018
- 2018-09-17 CN CN201821516208.9U patent/CN208736487U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208736487U (en) | A kind of distortion-free vortex precession flowmeter | |
| CN208587645U (en) | A kind of buffer unit that can reduce petroleum pipeline bending place impact force | |
| CN207034407U (en) | A kind of nuclear power pipe-hanger support | |
| CN208138636U (en) | Spring steel ball-type stainless steel pipes connection structure | |
| FR2282084B1 (en) | ||
| CN105715868A (en) | Auxiliary installation device for heavy-caliber spigot and socket pipelines and installation method utilizing device | |
| CN108254030A (en) | A kind of distortion-free vortex precession flowmeter | |
| CN210034737U (en) | Continuous winding glass steel pipe joint capable of being externally tested | |
| CN208567985U (en) | A kind of combustion gas turbine flowmeter | |
| CN207421520U (en) | Adaptive anchor ear | |
| CN208934737U (en) | A kind of high intensity tunnel pipe for escaping structure | |
| CN202383056U (en) | High pressure and corrosion resistance probe installation device | |
| CN209372863U (en) | A kind of fullness degree detection device | |
| CN204300569U (en) | A kind of flange connection for pipe interface place | |
| CN108151969A (en) | A kind of leak water detdction equipment for pipelines of automobile air conditioner | |
| CN209084218U (en) | A kind of anchor ear connecting pipe | |
| CN219328013U (en) | Buried structure of sounding pipe | |
| CN213041673U (en) | Resilience method strength measurement auxiliary device | |
| CN106429048A (en) | Container for natural uranium hexafluoride transportation | |
| CN211504288U (en) | Quick-release watch case | |
| CN205991277U (en) | A kind of straight pipe pressure-balancing type expansion joint based on inside and outside force combination operating mode | |
| CN218153528U (en) | Auxiliary device for X-ray detection of small-diameter pipeline | |
| CN109930849A (en) | A kind of architectural engineering exposed steel bar Rustproofing apparatus | |
| CN205646614U (en) | Aerify type looped netowrk cabinet with enhancement mode sheet -metal construction | |
| CN202803843U (en) | Pipe correcting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20190917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |