CN208155374U - A kind of nuclear power metal pipe float flow meter - Google Patents
A kind of nuclear power metal pipe float flow meter Download PDFInfo
- Publication number
- CN208155374U CN208155374U CN201820653075.3U CN201820653075U CN208155374U CN 208155374 U CN208155374 U CN 208155374U CN 201820653075 U CN201820653075 U CN 201820653075U CN 208155374 U CN208155374 U CN 208155374U
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- metal pipe
- angular displacement
- flow meter
- bottom plate
- nuclear power
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Abstract
The utility model discloses a kind of nuclear power metal pipe float flow meters, including shell and bottom plate, shell is fixedly connected with bottom plate, axle sleeve is fixed on bottom plate, the inner rotation of axle sleeve is connected with needle pivot, and one end of needle pivot is provided with the servo-actuated magnet steel coupled with float upper magnetic steel, and the other end of needle pivot is fixed with pointer, it is fixed with panel seat in the middle part of needle pivot, is provided with lobe plate on panel seat；Protecting seat is fixed on bottom plate; protecting seat is internally provided with angular displacement transmitter; the outer cup of protecting seat is equipped with protective cover; protective cover is fixedly connected with protecting seat; connecting rod is fixedly connected in the shaft of angular displacement transmitter; one end of connecting rod is provided with idler wheel, and idler wheel is contacted with the cam curve on lobe plate always.The nuclear power metal pipe float flow meter of the utility model using the above structure is able to solve the remote transmission device i.e. angular displacement transmitter of the metal pipe float flow meter problem short in occasion measurement result inaccuracy, working life with nuclear radiation.
Description
Technical field
The utility model, which belongs to metal pipe float flow meter technical field more particularly to one kind, to be had centainly in nuclear power station etc.
The metal pipe float flow meter that nuclear radiation intensity occasion uses.
Background technique
Metal pipe float flow meter uses variable area type measuring principle, is suitable for measurement liquid, gas.Metal pipe float
Flowmeter float, with the variation of flow, float is moved up in measurement pipe, the buoyancy suffered by a certain position float with
Float gravity reaches balance.The circulation annular space area between float and Taper Pipe keeps certain at this time, the rising of annular space area and float
Highly directly proportional, i.e., the position that float rises in measurement pipe represents the size of flow, changes the position of float by its inner magnet
Steel is pointer by magnetic coupling transmitting, and pointer correctly indicates flow value at this time.The shell of indicator is not direct with measurement pipe
Contact, therefore metal pipe float flow meter can be used under the operating conditions such as high temperature, high pressure.
In order to which the flow value for measuring metal pipe float flow meter is transferred to automatic control system, it is necessary to floating in metal tube
Remote transmission device is set in subflow meter.Electronics member in nuclear power station or other occasions with nuclear radiation intensity, remote transmission device
Device will lead to failure under the influence of nuclear radiation, and the signal of output is made not can correctly reflect the flow of medium, the result of measurement
Accuracy rate substantially reduces.
Utility model content
The purpose of the utility model is to provide a kind of nuclear power metal pipe float flow meters, solve metal pipe float flow meter
The remote transmission device problem short in occasion measurement result inaccuracy, working life with nuclear radiation.
To achieve the above object, the utility model provides a kind of nuclear power metal pipe float flow meter, including shell and
Bottom plate, the shell are fixedly connected with bottom plate, and one end of the shell is provided with windowpane, and the inside of the shell passes through bracket
It is fixed with dial plate, graduated scale and pointer are provided on the dial plate, one end of the bracket is fixed on bottom plate, the bottom plate
Two sides are provided with engaging lug, and the engaging lug is fixedly connected with measurement tube wall；Axle sleeve is fixed on the bottom plate, the axle sleeve
Inner rotation is connected with needle pivot, and one end of the needle pivot is provided with the servo-actuated magnet steel coupled with float upper magnetic steel, the finger
The other end of needle shaft is fixed with the pointer, and panel seat is fixed in the middle part of the needle pivot, is provided with lobe plate on the panel seat；
Protecting seat is fixed on the bottom plate, the protecting seat is internally provided with angular displacement transmitter, the outer cup of the protecting seat
Equipped with protective cover, the protective cover is fixedly connected with the protecting seat, is fixedly connected in the shaft of the angular displacement transmitter
Connecting rod, one end of the connecting rod are provided with idler wheel, and the idler wheel is contacted with the cam curve on the lobe plate always.
Preferably, the angular displacement of the needle pivot is transformed into 0-10 ° of angular displacement transmitter by lobe plate, idler wheel and connecting rod
Linearisation angular displacement input.
Preferably, the electric signal of the angular displacement transmitter output 4-20mA.
Preferably, the strip that the connecting rod can be made swing and run through the protective cover is provided on the protective cover
Hole.
Preferably, it is provided with the through-hole that conducting wire can be made to pass through on the protective cover, the conducting wire is by the angular displacement pick-up
The electric signal of device output is transferred to tele-control system through terminal.
Preferably, the protecting seat and the protective cover are using the high density tungsten copper that can effectively absorb and be isolated nuclear radiation
Alloy material is made.
A kind of nuclear power metal pipe float flow meter described in the utility model, is fixed with protection by screw on bottom plate
Seat, protecting seat are internally provided with angular displacement transmitter, and the outer cup of protecting seat is equipped with protective cover, between protecting seat and protective cover
It is fixedly connected by screw, angular displacement transmitter completely can be coated by protective cover and protecting seat.Protective cover and protection
Seat is all made of high density tungsten Cu alloy material and is made, and high density tungsten Cu alloy material can effectively absorb and be isolated radiation, because
Angular displacement transmitter can be isolated to get up to prevent it from being influenced by nuclear radiation by this protective cover and protecting seat, can be improved angular displacement
Transmitter transmits the accuracy of signal, improves its working life.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of nuclear power metal pipe float flow meter embodiment of the utility model；
Fig. 2 is a kind of Section A-A structural schematic diagram of nuclear power metal pipe float flow meter embodiment of the utility model；
Fig. 3 is a kind of section B-B structural schematic diagram of nuclear power metal pipe float flow meter embodiment of the utility model；
Appended drawing reference
1, shell；2, bottom plate；3, windowpane；4, pointer；5, engaging lug；6, dial plate；7, axle sleeve；8, needle pivot；9, it is servo-actuated
Magnet steel；10, lobe plate；11, panel seat；12, protecting seat；13, angular displacement transmitter；14, screw；15, protective cover；16, connecting rod；
17, idler wheel；18, conducting wire；19, terminal；20, bracket.
Specific embodiment
Embodiment
Below with reference to attached drawing, the utility model will be further described, it should be noted that the present embodiment is with this skill
Premised on art scheme, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is not
It is limited to the present embodiment.
Fig. 1 is a kind of structural schematic diagram of nuclear power metal pipe float flow meter embodiment of the utility model, and Fig. 2 is this reality
With a kind of novel Section A-A structural schematic diagram of nuclear power metal pipe float flow meter embodiment, Fig. 3 is that the utility model is a kind of
The section B-B structural schematic diagram of nuclear power metal pipe float flow meter embodiment.As shown in Figure 1-3, a kind of nuclear power metal tube
Suspended body flowmeter, including shell 1 and bottom plate 2, shell 1 are fixedly connected with bottom plate 2 by screw 14.One end of shell 1 is provided with
The inside of windowpane 3, shell 1 is fixed with dial plate 6 by bracket 20, and graduated scale and pointer 4 are provided on dial plate 6, bracket 20
One end is fixed on a base plate 2.Transparent windowpane 3 has certain protective action to dial plate 6.It is provided in the two sides of bottom plate 2
Engaging lug 5, engaging lug 5 are fixedly connected with measurement tube wall by screw 14.
Shell 1 is internally provided with axle sleeve 7, and one end of axle sleeve 7 is fixed on a base plate 2 by screw 14, axle sleeve 7 it is another
End is fixed on shell 1 by bracket 20.The inside of axle sleeve 7 is rotatablely connected by bearing and needle pivot 8, one end of needle pivot 8
It is provided with servo-actuated magnet steel 9, servo-actuated magnet steel 9 is structure as a whole with needle pivot 8.Servo-actuated magnet steel 9 can occur with the magnet steel on float
Magnetic coupling makes servo-actuated magnet steel 9 generate angular displacement, so that needle pivot 8 be driven to rotate.The fixed pointer 4 of 8 other end of needle pivot with
The rotation of needle pivot 8 and rotate, to indicate corresponding scale on dial plate 6, pass through the signified scale of pointer 4 and show flow
Value.It is fixed with panel seat 11 at the middle part of needle pivot 8, panel seat 11 is located at the outside of axle sleeve 7, is provided with lobe plate on panel seat 11
10。
Protecting seat 12 is fixedly connected with by screw 14 on a base plate 2, protecting seat 12 is located at the inside of shell 1.Protecting seat
12 are internally provided with angular displacement transmitter 13, and the outer cup of protecting seat 12 is equipped with protective cover 15, protective cover 15 and protecting seat 12
It is fixedly connected by screw 14.Protecting seat 12 and protective cover 15 of high density tungsten Cu alloy material by being made, highdensity tungsten
Copper alloy can effectively absorb and be isolated nuclear radiation, and angular displacement transmitter 13 is wrapped in inside by protective cover 15 and protecting seat 12,
The component inside angular displacement transmitter 13 is avoided to be influenced by nuclear radiation, so that improving angular displacement transmitter 13 transmits signal
Accuracy extends its working life.Connecting rod 16, one end setting of connecting rod 16 are fixedly connected in the shaft of angular displacement transmitter 13
There is idler wheel 17, idler wheel 17 is in contact with the cam curve on lobe plate 10 always.Lobe plate 10 carries out under the action of needle pivot 8
When rotation, idler wheel 17 is rotated under the drive of lobe plate 10 along cam curve, and idler wheel 17 drives angle position by connecting rod 16
Move the shaft rotation of transmitter 13.Cam curve on lobe plate 10 is designed according to the range of angular displacement transmitter 13, i.e.,
The rotation of needle pivot 8 is converted to the acceptable range of angular displacement transmitter 13 by the cooperation of lobe plate 10 and idler wheel 17.Refer to
The angular displacement of needle shaft 8 is transformed into 130-10 ° of angular displacement transmitter of linearisation angle position by lobe plate 10, idler wheel 17 and connecting rod 16
Input is moved, angular displacement can be converted to the electric signal output of 4-20mA by angular displacement transmitter 13.Angular displacement transmitter 13 is defeated
Electric signal out is transferred to tele-control system by conducting wire 18 and terminal 19, and tele-control system passes through the telecommunications transmitted
Number regulated and controled.
The strip hole that connecting rod 16 can be made to be swung is provided on the side wall of protective cover 15, strip hole runs through protective cover 15.
The top of protective cover 15 is additionally provided with the through-hole that conducting wire 18 can be made to pass through.
A kind of course of work of nuclear power metal pipe float flow meter described in the utility model is：Float exists in measurement pipe
Equilbrium position is moved on under the action of buoyancy, magnetic coupling occurs for the magnet steel in float and servo-actuated magnet steel 9, is servo-actuated magnet steel 9 in magnetic coupling
Certain angular displacement occurs under the action of conjunction, so that needle pivot 8 be driven to generate certain angular displacement.Needle pivot 8 drives pointer 4 to exist
Corresponding scale is indicated on dial plate 6, and flow value at this time can directly be read by scale.Needle pivot 8 can also drive lobe plate
10 are rotated, and the angular displacement of needle pivot 8 is converted to angular displacement transmitter 13 by idler wheel 17 and connecting rod 16 by lobe plate 10 to be permitted
Angular displacement is converted to electric signal and exported to tele-control system, tele-control system root by range perhaps, angular displacement transmitter 13
Regulated and controled according to electric signal.
The nuclear power metal pipe float flow meter of the utility model using the above structure, is able to solve metal pipe float flow
Remote transmission device, that is, angular displacement transmitter of meter problem short in occasion measurement result inaccuracy, working life with nuclear radiation.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model has been described in detail with reference to the preferred embodiment, those skilled in the art should manage
Solution：It still can be with the technical solution of the present invention is modified or equivalently replaced, and these are modified or equally replace
Changing also cannot make modified technical solution be detached from the spirit and scope of the technical scheme of the present invention.
Claims (6)
1. a kind of nuclear power metal pipe float flow meter, including shell and bottom plate, the shell are fixedly connected with bottom plate, described outer
One end of shell is provided with windowpane, and the inside of the shell has been fixed by the bracket dial plate, has been provided with graduated scale on the dial plate
And pointer, one end of the bracket are fixed on bottom plate, the two sides of the bottom plate are provided with engaging lug, the engaging lug and measurement
Tube wall is fixedly connected；It is characterized in that：Axle sleeve is fixed on the bottom plate, the inner rotation of the axle sleeve is connected with needle pivot,
One end of the needle pivot is provided with the servo-actuated magnet steel coupled with float upper magnetic steel, and the other end of the needle pivot is fixed with described
Pointer is fixed with panel seat in the middle part of the needle pivot, is provided with lobe plate on the panel seat；Protection is fixed on the bottom plate
Seat, the protecting seat are internally provided with angular displacement transmitter, and the outer cup of the protecting seat is equipped with protective cover, the protective cover
It is fixedly connected with the protecting seat, connecting rod is fixedly connected in the shaft of the angular displacement transmitter, one end of the connecting rod is set
It is equipped with idler wheel, the idler wheel is contacted with the cam curve on the lobe plate always.
2. a kind of nuclear power metal pipe float flow meter according to claim 1, it is characterised in that：The angle of the needle pivot
Displacement is inputted by the linearisation angular displacement that lobe plate, idler wheel and connecting rod are transformed into 0-10 ° of angular displacement transmitter.
3. a kind of nuclear power metal pipe float flow meter according to claim 2, it is characterised in that：The angular displacement pick-up
The electric signal of device output 4-20mA.
4. a kind of nuclear power metal pipe float flow meter according to claim 1, it is characterised in that：It is set on the protective cover
It is equipped with the strip hole that the connecting rod can be made swing and run through the protective cover.
5. a kind of nuclear power metal pipe float flow meter according to claim 1, it is characterised in that：It is set on the protective cover
It is equipped with the through-hole that conducting wire can be made to pass through, the electric signal that the angular displacement transmitter exports is transferred to remotely by the conducting wire through terminal
Control system.
6. a kind of nuclear power metal pipe float flow meter according to claim 1, it is characterised in that：The protecting seat and institute
Protective cover is stated by being made of the high density tungsten Cu alloy material that can effectively absorb and be isolated nuclear radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653075.3U CN208155374U (en) | 2018-05-03 | 2018-05-03 | A kind of nuclear power metal pipe float flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653075.3U CN208155374U (en) | 2018-05-03 | 2018-05-03 | A kind of nuclear power metal pipe float flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208155374U true CN208155374U (en) | 2018-11-27 |
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ID=64377533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820653075.3U Active CN208155374U (en) | 2018-05-03 | 2018-05-03 | A kind of nuclear power metal pipe float flow meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548577A (en) * | 2018-05-03 | 2018-09-18 | 承德热河克罗尼仪表有限公司 | A kind of nuclear power metal pipe float flow meter |
-
2018
- 2018-05-03 CN CN201820653075.3U patent/CN208155374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548577A (en) * | 2018-05-03 | 2018-09-18 | 承德热河克罗尼仪表有限公司 | A kind of nuclear power metal pipe float flow meter |
| CN108548577B (en) * | 2018-05-03 | 2024-04-12 | 承德热河克罗尼仪表有限公司 | Metal tube float flowmeter for nuclear power |
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