CN106706081A - Pull-rod swing nozzle reverser - Google Patents
Pull-rod swing nozzle reverser Download PDFInfo
- Publication number
- CN106706081A CN106706081A CN201611043038.2A CN201611043038A CN106706081A CN 106706081 A CN106706081 A CN 106706081A CN 201611043038 A CN201611043038 A CN 201611043038A CN 106706081 A CN106706081 A CN 106706081A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- water
- cylinder
- control device
- base plate
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a pull-rod swing nozzle reverser and belongs to the technical field of water flow detection. The pull-rod swing nozzle reverser comprises a water distributor, a nozzle, a baseplate and a swing control device, the water distributor is mounted at one end of the baseplate and positioned below the baseplate, and a water storage tank and a metering and weighing container are correspondingly arranged below the water distributor respectively; the swing control device is mounted at the other end of the baseplate and positioned above the baseplate, a pushing end of the swing control device contacts with the nozzle and pushes the nozzle to swing around a rotating shaft of the nozzle, the nozzle is connected with a liquid pipeline and positioned above the water distributor, and liquid ejected through the nozzle is respectively injected into two water distributing pipes of the water distributor and respectively flows into the water storage tank and the metering and weighing container for detection. The pull-rod swing nozzle reverser flexibly enables water flow direction to be adjusted to the bottom of a fixed-tank water distributor and enables water to directly enter a drainage barrel, rapidly-flowing water is avoided splashing around and generating water spray, and real volume of the liquid in the container is ensured. During a reversing time difference experiment, reversing time difference can reach 8msec at highest, and instrument-meter verifying accuracy is improved greatly.
Description
Technical field
The invention belongs to water flow standard apparatus calibrating flowmeter field of instrumentation technology, more particularly to a kind of rod-pulling type pendulum
Dynamic nozzle commutator.
Background technology
Present each company and unit, the detection to fluid flowmeter are most of all to examine and determine flow with water flow standard apparatus
Meter instrument, commutator equipment therein is substantially fixed nozzle commutator, and the nozzle of this commutator is to spray vertically downward
Water, after the water under vertical spray is first sprayed onto the hang plate of reversing groove therein, through the backward lower refraction current of hang plate refraction, in waterline
When speed is more than 4-5m/s, occur at refraction and at the fixing groove of secondary water-drop point often, dabble and form mist phenomenon in generation, it is special
It is not the fluid flowmeter for detecting below DN50, it is excessive due to water spot, have a strong impact on the calibration accuracy of flowmeter instrument.
The content of the invention
For above-mentioned technical problem, dabble and rise under certain speed to solve existing fixed nozzle commutator
The problem of water smoke, the present invention provides a kind of rod-pulling type oscillating nozzle commutator, and oscillating nozzle of the invention reaches water velocity
Fair speed, the need for meeting detection means.
The purpose of the present invention is achieved through the following technical solutions：
A kind of rod-pulling type oscillating nozzle commutator, including water knockout drum, nozzle, base plate and oscillating control device,
The water knockout drum is arranged on one end of base plate, and positioned at base plate lower section, water knockout drum lower section is correspondingly arranged tank respectively
With metering and weighing container；
Oscillating control device, is installed on the base plate other end, is placed in base plate top, the promote-side of oscillating control device and nozzle
Contact, promotes nozzle around its shaft swing；
Nozzle, is arranged on the support being fixed on base plate by rotating shaft and connected pipe axle, is opened on water inlet pipe axle
There are multiple apopores, communicated with nozzle, water inlet pipe axle connection inlet pipeline is placed in water knockout drum top, through the moisture that nozzle sprays
Two distributive pipes of water knockout drum are not injected, separately flow into tank and measuring container, weighing container calibrating.
Further, the oscillating control device includes：
Cylinder, stroke is connected as power, the promote-side that the connection of its piston rod one end is in contact with nozzle, the other end is driven
Control device, controls the movement travel of piston rod；
Air cylinder support, is connected on base plate, and cylinder is arranged on air cylinder support；
Travel control device, including fixed part, detection part and cylinder control section, fixed part are connected by fixed mount
It is connected on cylinder block；Detection part is connected on the piston rod, is moved back and forth with piston rod, is controlled by limiting its movement travel
Nozzle oscillation angle；Cylinder control section is connected on cylinder pipeline, controls the air inlet of cylinder.
Further, the fixed part of the travel control device is optoelectronic switch, and detection part is shadow shield, cylinder control
System part is magnetic valve, and magnetic valve is communicated with outer computer control system, described by controlling solenoid valve control cylinder intake
Shadow shield moves to extreme position and is back to entirely blocking for optoelectronic switch centre position by the optoelectronic switch centre position
The time interval of optoelectronic switch is 8-12 milliseconds of calibrating time.
Further, the piston rod touches nozzle and runs during to limit on the left position, and the water that nozzle sprays is just along a point water
Device connection measuring container, the center line of the distributive pipe of weighing container spray；When operation is to limit on the right-right-hand limit position, the water that nozzle sprays is lucky
Sprayed along the center line of the distributive pipe of water knockout drum connection tank.
Further, it is tightly connected between the pipe axle and nozzle.
Beneficial effects of the present invention are：
1. oscillating nozzle commutator of the present invention, flexibly makes water (flow) direction adjust to fixing groove pipeline bottom, makes water straight
Tap into lower water drum body, it is to avoid the water drastically let out down dabbles and form mist to periphery, it is ensured that the true body of the liquid in container
Product.
2. the water velocity of oscillating nozzle of the present invention reaches water velocity 10m/s more than 5-6m/s, and water-drop point shakes
Reduce, identification precision is stablized.
3. nozzle of the invention can be around its shaft swing, and when swinging, Moment and vertical pendulum power are with low uncertainty, institute
To operate steadily, commutating period difference is fewer than fixed nozzle.
4. during commutating period difference experiment of the invention, highest can reach 8 milliseconds, and instrument identification precision is greatly carried
It is high.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the left view that Fig. 1 removes inlet pipeline.
Fig. 3 is the specific attachment structure schematic diagram of Fig. 1 optoelectronic switches and magnetic valve.
Fig. 4 is the top view of Fig. 3.
In figure：1. water knockout drum, 2. base plate, 3. support, 4. rotating shaft, 5. nozzle, 6. pipe axle, 7. sealing ring, 8. distributive pipe；
9. oscillating control device, 901. piston rods, 902. shadow shields, 903. optoelectronic switches, 904. fixed mounts, 905. gas
Cylinder, 906. air cylinder supports, 907. cylinder connectors, 908. promote-sides, 909. magnetic valves, 910. snap joints, 911.PU pipes, 912.
Solenoid valve bracket, 913. mounting angle plates, 914. adjustable angle plate；
10. apopore.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment：As Figure 1-Figure 2, the present invention includes water knockout drum 1, nozzle 5, base plate 2 and oscillating control device, described
Water knockout drum 1 is arranged on one end of base plate 2, positioned at the lower section of base plate 2, the lower section of water knockout drum 1 be correspondingly arranged respectively tank and metering and
Weighing container；
Oscillating control device, is installed on the other end of base plate 2, is placed in the top of base plate 2, the promote-side 908 of oscillating control device
Contacted with nozzle 5, promote nozzle 5 around its shaft swing；
Nozzle 5, is arranged on fixed support 3 on a base plate 2, water inlet pipe axle by rotating shaft 4 and connected pipe axle 6
Multiple apopores 10 are provided with 6, are communicated with nozzle 5, the connection inlet pipeline of water inlet pipe axle 6 is placed in the top of water knockout drum 1, through nozzle 5
The water of ejection injects two distributive pipes 8 of water knockout drum 1 respectively, separately flows into tank and measuring container, weighing container calibrating.It is described
It is tightly connected between pipe axle 6 and nozzle 5, it is ensured that the accurate measurement of current.
The oscillating control device 9 includes：
Cylinder 95, used as power is driven, its one end of piston rod 91 connects the promote-side 98 being in contact with nozzle 5, the other end
Connection travel control device, controls the movement travel of piston rod 91；
Air cylinder support 96, on a base plate 2, cylinder 95 is arranged on air cylinder support 96 for connection；
Travel control device, including fixed part, detection part and cylinder control section, fixed part pass through fixed mount
904 are connected on the cylinder body of cylinder 95；Detection part is connected on piston rod 91, is moved back and forth with piston rod 91, by limiting it
Movement travel controls the pendulum angle of nozzle 5；Cylinder control section is connected on cylinder pipeline, controls the air inlet of cylinder 95.
The fixed part of the travel control device is optoelectronic switch 93, and detection part is shadow shield 92, cylinder control unit
It is divided into magnetic valve 909, magnetic valve 909 is communicated with outer computer control system, controls cylinder 95 to enter by controlling magnetic valve 909
Gas, the shadow shield 92 moves to extreme position and is back to the interposition of optoelectronic switch 93 by the centre position of the optoelectronic switch 93
The whole time interval for blocking optoelectronic switch 93 put is 8-12 milliseconds of calibrating time.Move in the centre position of the optoelectronic switch 93
Stroke L to extreme position is different according to the size of water knockout drum 1, in the range of 25-80mm.Ensure that the piston rod 91 is touched
Nozzle 5 is run during to limit on the left position, and the water that nozzle 5 sprays is just along the connection of water knockout drum 1 measuring container, point water of weighing container
The center line of pipe sprays；When operation is to limit on the right-right-hand limit position, the water that nozzle 5 sprays connects the distributive pipe of tank along water knockout drum 1 just
Center line spray.
The course of work of the invention is as follows：
1. in the case where water flow standard apparatus normal procedure runs, electromagnetism is controlled by outer computer control system
Valve initial start, cylinder piston rod motion drives shadow shield to move to optoelectronic switch centre position, due to blocking optoelectronic switch
Timing signal is sent, when moving to left side extreme position, the promote-side that piston rod is in contact with nozzle promotes nozzle to run to a left side
Side pole extreme position, makes to be continuously injected into the left water tube of water knockout drum 31 by the water of nozzle, then flows into measuring container and appearance of weighing
Device.
2. after setting time is reached, then control cylinder 26 to ventilate by magnetic valve 19 by outer computer control system,
Make piston rod counter motion, drive oscillating nozzle 5 to swing to the right, when the row of oscillating nozzle 5 to water knockout drum is in centre position, such as
Shown in Fig. 2, at this moment the same good centre position to optoelectronic switch 18 of light barrier 2, signal is sent with regard to this, terminates accumulative timing,
The time of the accumulative timing is the calibrating time.
3. oscillating nozzle 5 continues row to right limit position in Fig. 1, and the water for so flowing through nozzle is continuously injected into water knockout drum
31 right water tube, then flows into tank.
From the foregoing, light barrier is to left movement and moves right, and respectively by an optoelectronic switch centre position, its interval
Time, qualification time 8-12 milliseconds for exactly specifying makes detection more accurate.
Claims (5)
1. a kind of rod-pulling type oscillating nozzle commutator, including water knockout drum, nozzle, base plate and oscillating control device, it is characterised in that：
The water knockout drum is arranged on one end of base plate, and positioned at base plate lower section, water knockout drum lower section is correspondingly arranged tank and meter respectively
Amount and weighing container；
Oscillating control device, is installed on the base plate other end, is placed in base plate top, and promote-side and the nozzle of oscillating control device connect
Touch, promote nozzle around its shaft swing；
Nozzle, is arranged on the support being fixed on base plate by rotating shaft and connected pipe axle, is provided with water inlet pipe axle many
Individual apopore, is communicated with nozzle, water inlet pipe axle connection inlet pipeline, is placed in water knockout drum top, and the water sprayed through nozzle is penetrated respectively
Enter two distributive pipes of water knockout drum, separately flow into tank and measuring container, weighing container calibrating.
2. rod-pulling type oscillating nozzle commutator according to claim 1, it is characterised in that：The oscillating control device includes：
Cylinder, Stroke Control is connected as power, the promote-side that the connection of its piston rod one end is in contact with nozzle, the other end is driven
Device, controls the movement travel of piston rod；
Air cylinder support, is connected on base plate, and cylinder is arranged on air cylinder support；
Travel control device, including fixed part, detection part and cylinder control section, fixed part are connected to by fixed mount
On cylinder block；Detection part is connected on the piston rod, is moved back and forth with piston rod, and nozzle is controlled by limiting its movement travel
Pendulum angle；Cylinder control section is connected on cylinder pipeline, controls the air inlet of cylinder.
3. rod-pulling type oscillating nozzle commutator according to claim 2, it is characterised in that：The fixation of the travel control device
Part is optoelectronic switch, and detection part is shadow shield, and cylinder control section is magnetic valve, and magnetic valve controls system with outer computer
System communication, is moved extremely by controlling solenoid valve control cylinder intake, the shadow shield by the optoelectronic switch centre position
The whole time interval for blocking optoelectronic switch that extreme position is back to optoelectronic switch centre position is 8-12 milliseconds of calibrating time.
4. rod-pulling type oscillating nozzle commutator according to claim 2, it is characterised in that：The piston rod touches nozzle operation
During to limit on the left position, the water that nozzle sprays sprays along the center line of water knockout drum connection measuring container, the distributive pipe of weighing container just
Go out；When operation is to limit on the right-right-hand limit position, the water that nozzle sprays sprays along the center line of the distributive pipe of water knockout drum connection tank just.
5. rod-pulling type oscillating nozzle commutator according to claim 1, it is characterised in that：The company of sealing between the pipe axle and nozzle
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043038.2A CN106706081A (en) | 2016-11-23 | 2016-11-23 | Pull-rod swing nozzle reverser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043038.2A CN106706081A (en) | 2016-11-23 | 2016-11-23 | Pull-rod swing nozzle reverser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706081A true CN106706081A (en) | 2017-05-24 |
Family
ID=58933776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611043038.2A Withdrawn CN106706081A (en) | 2016-11-23 | 2016-11-23 | Pull-rod swing nozzle reverser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106706081A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225500A (en) * | 2018-04-10 | 2018-06-29 | 武汉市计量测试检定（研究）所 | A kind of fine liquid flow electromagnetic commutator |
| CN110031067A (en) * | 2019-05-17 | 2019-07-19 | 安徽金大仪器有限公司 | A kind of fluid flowmeter detection water conservancy diversion reversing arrangement |
| CN110595582A (en) * | 2019-09-04 | 2019-12-20 | 成都赫泰智能科技有限公司 | Closed electric commutator |
| CN110631663A (en) * | 2018-06-25 | 2019-12-31 | 北京振兴计量测试研究所 | Electric swinging nozzle type small commutator and water flow calibrating device with same |
| CN113907673A (en) * | 2021-10-22 | 2022-01-11 | 何良保 | Washing-free detergent-free washing-powder-free dish-washing and clothes-washing integrated machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200958959Y (en) * | 2006-09-22 | 2007-10-10 | 丹东贝特自动化工程仪表有限公司 | Commutator of standard liquid flow inspector |
| CN102141426A (en) * | 2010-12-07 | 2011-08-03 | 浙江省计量科学研究院 | Fluid reversing device and reversing and timing method |
| CN104132715A (en) * | 2014-08-11 | 2014-11-05 | 丹东意邦计量仪器仪表有限公司 | Reciprocating type pneumatic shifting reverser |
| CN204924396U (en) * | 2015-09-01 | 2015-12-30 | 丹东意邦计量仪器仪表有限公司 | Swing nozzle formula commutator |
-
2016
- 2016-11-23 CN CN201611043038.2A patent/CN106706081A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200958959Y (en) * | 2006-09-22 | 2007-10-10 | 丹东贝特自动化工程仪表有限公司 | Commutator of standard liquid flow inspector |
| CN102141426A (en) * | 2010-12-07 | 2011-08-03 | 浙江省计量科学研究院 | Fluid reversing device and reversing and timing method |
| CN104132715A (en) * | 2014-08-11 | 2014-11-05 | 丹东意邦计量仪器仪表有限公司 | Reciprocating type pneumatic shifting reverser |
| CN204924396U (en) * | 2015-09-01 | 2015-12-30 | 丹东意邦计量仪器仪表有限公司 | Swing nozzle formula commutator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225500A (en) * | 2018-04-10 | 2018-06-29 | 武汉市计量测试检定（研究）所 | A kind of fine liquid flow electromagnetic commutator |
| CN108225500B (en) * | 2018-04-10 | 2024-01-23 | 武汉市计量测试检定（研究）所 | Micro liquid flow electromagnetic commutator |
| CN110631663A (en) * | 2018-06-25 | 2019-12-31 | 北京振兴计量测试研究所 | Electric swinging nozzle type small commutator and water flow calibrating device with same |
| CN110631663B (en) * | 2018-06-25 | 2021-05-11 | 北京振兴计量测试研究所 | Electric swinging nozzle type small commutator and water flow calibrating device with same |
| CN110031067A (en) * | 2019-05-17 | 2019-07-19 | 安徽金大仪器有限公司 | A kind of fluid flowmeter detection water conservancy diversion reversing arrangement |
| CN110595582A (en) * | 2019-09-04 | 2019-12-20 | 成都赫泰智能科技有限公司 | Closed electric commutator |
| CN110595582B (en) * | 2019-09-04 | 2024-08-13 | 成都洛丁森智能科技有限公司 | Closed electric commutator |
| CN113907673A (en) * | 2021-10-22 | 2022-01-11 | 何良保 | Washing-free detergent-free washing-powder-free dish-washing and clothes-washing integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |