CN208366433U - A kind of efficiently small flow sonic nozzle calibrating installation - Google Patents
A kind of efficiently small flow sonic nozzle calibrating installation Download PDFInfo
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- CN208366433U CN208366433U CN201821223208.XU CN201821223208U CN208366433U CN 208366433 U CN208366433 U CN 208366433U CN 201821223208 U CN201821223208 U CN 201821223208U CN 208366433 U CN208366433 U CN 208366433U
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Abstract
The utility model relates to a kind of efficiently small flow sonic nozzle calibrating installations.It is characterized in that preposition connection pipe fixing device, postposition connection pipe fixing device and gas Roots flow meter support device are arranged on the equipment stand, preposition connecting tube and postposition connecting tube are connected to gas Roots flow meter two sides by ring flange；The side setting signal receiver of the sonic nozzle, ferrule is provided in postposition connecting tube, digital optic fiber sensor is provided with outside postposition connecting tube, the reflection-type screw thread optical fiber being arranged in ferrule is connected with digital optic fiber sensor, and digital optic fiber sensor and the counter being arranged on gas Roots flow meter sampling line are connect with signal receiver.By the device, directly measuring waist wheel speed can be completed the calibrating under small flow, can be very good to solve the problems, such as small flow detection time length, low efficiency.
Description
Technical field
The utility model relates to a kind of efficiently small flow sonic nozzle calibrating installations.
Background technique
Current traditional detection method is in small flow when detecting the gas Roots flow meter of low frequency pulse signal output
It ventilates in environment, the method being compared is read by the counter cumulant and standard that acquire Roots type flowmeter to detect it
The error of indication.
The above-mentioned method for detecting the small flow error of indication in the prior art often walks a pulse equivalency since flow is small
Time is long, generally requires more than half a hour, causes detection efficiency low, and since detection time is too long, environmental factor can be to inspection
It surveys result and brings very big influence, lead to the unreliable of testing result.These all cause very big shadow to product quality and production efficiency
It rings, is badly in need of solving.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of efficiently small flow velocity of sound sprays
The technical solution of mouth calibrating installation.
A kind of efficiently small flow sonic nozzle calibrating installation, including sonic nozzle and equipment stand, feature exist
It is supported in preposition connection pipe fixing device, postposition connection pipe fixing device and gas Roots flow meter are arranged on the equipment stand
Device, preposition connection pipe fixing device limit preposition connecting tube, and preposition connecting tube is connected by snorkel with sonic nozzle, postposition
It connects pipe fixing device and limits postposition connecting tube, postposition connecting tube is connected with gas source, the limit of gas Roots flow meter support device
Gas Roots flow meter, preposition connecting tube and postposition connecting tube are connected to gas Roots flow meter two sides by ring flange；It is described
The side setting signal receiver of sonic nozzle is provided with ferrule in postposition connecting tube, number is provided with outside postposition connecting tube
Word fibre optical sensor, the interior reflection-type screw thread optical fiber being arranged of ferrule are connected with digital optic fiber sensor, reflection-type screw thread light
Fibre is fixed on ferrule by locking nut, digital optic fiber sensor and the counter being arranged on gas Roots flow meter
Sampling line is connect with signal receiver.
A kind of efficiently small flow sonic nozzle calibrating installation, it is characterised in that the preposition connection pipe fixing device
For base for supporting pipeline one, the fixing hoop one and fixing hoop two of the fixed preposition connecting tube of setting on base for supporting pipeline one.
A kind of efficiently small flow sonic nozzle calibrating installation, it is characterised in that the postposition connects pipe fixing device
Including two linear guides, two pieces of slide plates, biaxial double acting cylinder, base for supporting pipeline two and the pipeline branch being arranged on equipment supporter
Seat three is supportted, two linear guides two are arranged on equipment stand, and two pieces of slide plate slides are arranged in two linear guides two, twin shaft
Double action cylinder is arranged between two pieces of slide plates, and biaxial double acting cylinder passes through floating junction and the pipeline branch being arranged on two pieces of slide plates
Support seat two is connected with base for supporting pipeline three, and biaxial double acting cylinder can drive base for supporting pipeline two and base for supporting pipeline San Tong method to move
It is dynamic.
A kind of efficiently small flow sonic nozzle calibrating installation, it is characterised in that be arranged on the base for supporting pipeline two
The fixing hoop four of postposition connecting tube is fixed, the fixing hoop three of fixed postposition connecting tube, twin shaft are set on base for supporting pipeline three
Double action cylinder is connected by tracheae with the manipulator rotary valve being arranged on preposition connection pipe fixing device.
A kind of efficiently small flow sonic nozzle calibrating installation, it is characterised in that the gas Roots flow meter support
Device includes the screw lift, screw rod and Lifting platform being arranged on equipment stand, is provided with sprocket wheel, chain on screw lift
The lifting of wheel drive screw rod；The Lifting platform setting is provided with flange support base, gas Roots above screw rod, on Lifting platform
Flowmeter is arranged on flange support base.
A kind of efficiently small flow sonic nozzle calibrating installation, it is characterised in that also set up on the screw lift
There is handwheel.
By the device of the utility model, counter can be calculated by two sensors under big flow and waist rotates
The relationship of speed, then the calibrating under small flow can be completed in directly measurement waist wheel speed, can be very good to solve small flow detection
The problem of time length, low efficiency.
The utility model quickly adjusts the height of tested gas Roots flow meter by screw lift, then passes through control
Biaxial double acting cylinder pushes clamping device to play clamping effect, which effectively raises sonic nozzle formula gas flow standard
The detection efficiency of device error of indication detection, greatly improves the versatility of clamping device, easy to operate and efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the utility model；
Fig. 2 is the structural schematic diagram two of the utility model；
Fig. 3 is the structural schematic diagram three of the utility model；
In figure: sonic nozzle 1, snorkel 2, preposition connecting tube 3, gas Roots flow meter 4, postposition connecting tube 5, optical fiber set
Pipe 6, locking nut 8, digital optic fiber sensor 9, counter sampling line 10, signal receiver 11, is set reflection-type screw thread optical fiber 7
Standby rack 12, base for supporting pipeline 1, linear guide 1, linear guide 2 15, slide plate 1, slide plate 2 17, pipeline support
It is seat 2 18, base for supporting pipeline 3 19, fixing hoop 1, fixing hoop 2 21, fixing hoop 3 22, fixing hoop 4 23, double
Axis double action cylinder 24, floating junction 1, fixture nut 1, floating junction 2 27, fixture nut 2 28, manipulator rotary valve
29, screw lift 1, screw lift 2 31, sprocket wheel 1, sprocket wheel 2 33, chain 34, handwheel 35, screw rod 1, silk
Bar 2 37, Lifting platform 38, flange support base 1, flange support base 2 40.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification:
A kind of efficiently small flow sonic nozzle calibrating installation, including sonic nozzle 1 and equipment stand 12, sonic nozzle 1
Side setting signal receiver 11；Be arranged on equipment stand 12 preposition connection pipe fixing device, postposition connection pipe fixing device and
Gas Roots flow meter support device, preposition connection pipe fixing device limit preposition connecting tube 3, and preposition connecting tube 3 passes through ventilation
Pipe 2 is connected with sonic nozzle 1, and postposition connects pipe fixing device and limits postposition connecting tube 5, and postposition connecting tube 5 is connected with gas source, gas
Body Roots type flowmeter support device limits gas Roots flow meter 4, and preposition connecting tube is connected with postposition connecting tube by ring flange
In gas Roots flow meter two sides.
It is provided with ferrule 6 in the postposition connecting tube 5 of the utility model, digital fiber is provided with outside postposition connecting tube 5
Sensor (fiber amplifier) 9, the interior reflection-type screw thread optical fiber 7 and digital optic fiber sensor (fiber amplifier being arranged of ferrule 6
Device) 9 it is connected, reflection-type screw thread optical fiber 7 is fixed on ferrule 6 by locking nut 8, and digital optic fiber sensor (put by optical fiber
Big device) it 9 is connect with signal receiver 11, the counter sampling line 10 and signal receiver 11 being arranged on gas Roots flow meter 4
Connection.
The preposition connection pipe fixing device of the utility model is base for supporting pipeline 1, and setting is solid on base for supporting pipeline 1
The fixing hoop 1 and fixing hoop 2 21 of fixed preposition connecting tube.
The postposition connection pipe fixing device of the utility model includes the linear guide 1 for being arranged on equipment supporter 12, straight
Line guide rail 2 15, slide plate 1, slide plate 2 17, biaxial double acting cylinder 24, base for supporting pipeline 2 18 and base for supporting pipeline 3 19 are sliding
Plate 1 and slide plate 2 17 are slidably arranged in linear guide 1 and linear guide 2 15, and biaxial double acting cylinder 24 is arranged in cunning
Between plate 1 and slide plate 2 17, biaxial double acting cylinder 24 is by floating junction 1, fixture nut 1 and is arranged in slide plate
Base for supporting pipeline 2 18 on one 16 is connected, and biaxial double acting cylinder 24 passes through floating junction 2 27, fixture nut 2 28 and setting
Base for supporting pipeline 3 19 on slide plate 2 17 is connected, and biaxial double acting cylinder 24 can drive base for supporting pipeline 2 18 and pipeline branch
It is mobile simultaneously to support seat 3 19, and then drives postposition connecting tube 5 to gas Roots flow meter close to or far from base for supporting pipeline 2 18
It is upper that the fixing hoop 4 23 for fixing postposition connecting tube 5 is set, the fixation of fixed postposition connecting tube 5 is set on base for supporting pipeline 3 19
Clip 3 22, biaxial double acting cylinder 24 are connect by tracheae with the manipulator rotary valve 29 being arranged on base for supporting pipeline 1.
The gas Roots flow meter support device of the utility model includes the screw lift being arranged on equipment stand 12
One 30, screw lift 2 31, screw rod 1, screw rod 2 37 and Lifting platform 38 are provided with sprocket wheel on screw lift 1
One 32, one 32 drive lead screw 1 of sprocket wheel is provided with sprocket wheel 2 33,2 33 drive lead screw two of sprocket wheel on screw lift 2 31
37, sprocket wheel 1 is connect by chain 34 with sprocket wheel 2 33；Lifting platform 38 is arranged on screw rod 1 and screw rod 2 37, lifting
Flange support base 1 and flange support base 2 40 are provided on table top 38, flange branch can be arranged in gas Roots flow meter 4
It supports on seat 1 and flange support base 2 40；Handwheel 35 is additionally provided on screw lift 2 31, handwheel 35 is used to drive screw rod
Elevator 2 31 is gone up and down, and then Lifting platform 38 is driven to go up and down.
Before test, gas Roots flow meter 4 is placed on flange support base 1 and flange support base 2 40, rotary flange
Support base 1 and flange support base 2 40 make the flange face of gas Roots flow meter 4 touch preposition connecting tube 3, shake handwheel
35, handwheel 35 is rotated with movable sprocket 2 33, and sprocket wheel 2 33 is rotated together by chain 34 with movable sprocket 1, to pass through screw rod
Elevator 1 and screw lift 2 31 drive screw rod 1 and screw rod 2 37 to move up and down and carry out regulating gas Roots type flowmeter
Height stir manipulator rotary valve 29 after highly reaching suitable position and control the piston rod of biaxial double acting cylinder 24 to gas
The direction of Roots type flowmeter 4 is mobile, and biaxial double acting cylinder 24 drives pipeline support by floating junction 1, floating junction 2 27
Seat 2 18 and base for supporting pipeline 3 19 are mobile, since postposition connecting tube 5 passes through fixing hoop 3 22, fixing hoop 4 23, pipeline
Support base 2 18 and base for supporting pipeline 3 19 are fixed, therefore postposition connecting tube 5 follows biaxial double acting cylinder 24 mobile, to reach
The effect that gas Roots flow meter is compressed.
When test, start sonic nozzle 1, gas passes through postposition connecting tube 5, gas Roots flow meter 4, preposition connecting tube 3
Enter sonic nozzle 1 with snorkel 2.
Detection explanation: gas Roots's flow can quickly be adjusted by screw lift 1 and screw lift 2 31
Then the height of meter 4 achievees the effect that quick-clamping by the effect of biaxial double acting cylinder 24 again, then under big flow, lead to
The reflection-type screw thread optical fiber 7 connecting with digital optic fiber sensor (fiber amplifier) 9 is crossed to rotate the waist of gas Roots flow meter 4
Speed is detected, and is sampled line 10 by counter and be monitored to counter cumulant, the accumulation of the counter obtained from
Q and waist wheel revolution N is measured, by the way that the relationship of counter Yu waist wheel speed is calculated, i.e. transmission ratio K(transmission ratio is a fixation
Value, unrelated with flow, it is the speed ratio relationship between counter and waist wheel, and ratio is often the numerical value of hundred times, in short, passing
The dynamic amplifier than being counter), K=Q/N can be calculated in a short time by directly measuring waist wheel speed under small flow
Corresponding cumulant can be very good to solve the problems, such as detection time length, low efficiency under small flow.
The structure of the detecting device of the utility model is simple and practical, greatly shortens detection time, improves detection efficiency, reduces inspection
Survey overlong time influences on brought by testing result.
Claims (6)
1. a kind of efficiently small flow sonic nozzle calibrating installation, including sonic nozzle and equipment stand, it is characterised in that described to set
Preposition connection pipe fixing device, postposition connection pipe fixing device and gas Roots flow meter support device are set on standby rack, it is preceding
It sets connection pipe fixing device and limits preposition connecting tube, preposition connecting tube is connected by snorkel with sonic nozzle, postposition connecting tube
Fixed device limits postposition connecting tube, and postposition connecting tube is connected with gas source, and gas Roots flow meter support device limits gas sieve
Thatch flowmeter, preposition connecting tube and postposition connecting tube are connected to gas Roots flow meter two sides by ring flange；The velocity of sound spray
The side setting signal receiver of mouth is provided with ferrule in postposition connecting tube, digital fiber is provided with outside postposition connecting tube
Sensor, the interior reflection-type screw thread optical fiber being arranged of ferrule are connected with digital optic fiber sensor, and reflection-type screw thread optical fiber passes through
Locking nut is fixed on ferrule, and digital optic fiber sensor and the counter being arranged on gas Roots flow meter sample line
It is connect with signal receiver.
2. a kind of efficiently small flow sonic nozzle calibrating installation according to claim 1, it is characterised in that the preposition company
Connecing pipe fixing device is base for supporting pipeline one, and setting is fixed the fixing hoop one of preposition connecting tube and fixed on base for supporting pipeline one
Clip two.
3. a kind of efficiently small flow sonic nozzle calibrating installation according to claim 1, it is characterised in that the postposition connects
Connecing pipe fixing device includes two linear guides being arranged on equipment supporter, two pieces of slide plates, biaxial double acting cylinder, pipeline supports
Seat two and base for supporting pipeline three, two linear guides two are arranged on equipment stand, and two pieces of slide plate slides are arranged in two straight lines
On guide rail two, biaxial double acting cylinder is arranged between two pieces of slide plates, and biaxial double acting cylinder is by floating junction and is arranged at two pieces
Base for supporting pipeline two on slide plate is connected with base for supporting pipeline three, and biaxial double acting cylinder can drive base for supporting pipeline two and pipeline
Support base San Tong method is mobile.
4. a kind of efficiently small flow sonic nozzle calibrating installation according to claim 3, it is characterised in that the pipeline branch
The fixing hoop four that fixed postposition connecting tube is set on seat two is supportted, the fixation of fixed postposition connecting tube is set on base for supporting pipeline three
Clip three, biaxial double acting cylinder are connected by tracheae with the manipulator rotary valve being arranged on preposition connection pipe fixing device.
5. a kind of efficiently small flow sonic nozzle calibrating installation according to claim 1, it is characterised in that gas sieve
Thatch flowmeter support device includes the screw lift, screw rod and Lifting platform being arranged on equipment stand, on screw lift
It is provided with sprocket wheel, the lifting of chain wheel drive screw rod；The Lifting platform setting is provided with flange branch above screw rod, on Lifting platform
Seat is supportted, gas Roots flow meter is arranged on flange support base.
6. a kind of efficiently small flow sonic nozzle calibrating installation according to claim 5, it is characterised in that the screw rod liter
Handwheel is additionally provided on drop machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223208.XU CN208366433U (en) | 2018-07-31 | 2018-07-31 | A kind of efficiently small flow sonic nozzle calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223208.XU CN208366433U (en) | 2018-07-31 | 2018-07-31 | A kind of efficiently small flow sonic nozzle calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366433U true CN208366433U (en) | 2019-01-11 |
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ID=64923984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821223208.XU Active CN208366433U (en) | 2018-07-31 | 2018-07-31 | A kind of efficiently small flow sonic nozzle calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879382A (en) * | 2020-08-13 | 2020-11-03 | 安徽宝龙富乐能源计量有限公司 | Ultrasonic water meter detection device control cabinet |
-
2018
- 2018-07-31 CN CN201821223208.XU patent/CN208366433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879382A (en) * | 2020-08-13 | 2020-11-03 | 安徽宝龙富乐能源计量有限公司 | Ultrasonic water meter detection device control cabinet |
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