CN207408424U - A kind of slidingtype magnetic bases backrest pitot tube - Google Patents
A kind of slidingtype magnetic bases backrest pitot tube Download PDFInfo
- Publication number
- CN207408424U CN207408424U CN201721600664.7U CN201721600664U CN207408424U CN 207408424 U CN207408424 U CN 207408424U CN 201721600664 U CN201721600664 U CN 201721600664U CN 207408424 U CN207408424 U CN 207408424U
- Authority
- CN
- China
- Prior art keywords
- pitot tube
- tube body
- backrest
- pitot
- tube
- 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 is related to a kind of slidingtype magnetic bases backrest pitot tubes,It can effectively solve the problems, such as backrest pitot tube Fast Installation leveling,Technical solution is,Including pitot tube tube body,Wireless pressure transmitter and radio receiving terminal,The output terminal of pitot tube tube body is connected with the pressure input of wireless pressure transmitter,The output terminal of wireless pressure transmitter is connected through wireless signal with radio receiving terminal,Form the long range radio transmissions structure of pitot tube tube body pressure measurement data,It is provided on pitot tube tube body and slides and fixed sliding support along its length,The Seat Seal circle for preventing gap from leaking out is provided between sliding support and pitot tube tube body,Sliding support lower part is provided with to fix the magnetic bases of air hose to be measured,This carrying measurement is convenient,It is adapted to the air hose of different tube diameters,Significantly reduce workload during leveling at the scene,Securely and reliably,It is easy to use,Effect is good,It is the innovation on backrest pitot tube.
Description
Technical field
The utility model is related to be used for the dress of pulverized-coal fired boiler primary air piping measuring wind speed, wind speed calibration and air measuring
It puts, particularly a kind of slidingtype magnetic bases backrest pitot tube.
Background technology
Thermal power generation still occupies very big ratio in power industry at present, and country is more and more tighter to environmental requirement in recent years
Lattice, dust emission and flue gas emission to power plant require coal price that is higher and higher and rising steadily, cause electric power enterprise pair
The stability and economy of burning are more paid attention to.
For the economy stablized burning and burnt, either Process In A Tangential Firing during coal-fired boiler combustion
Or opposed firing boiler, the size of primary air velocity all affects the stability and economy of burning, in order to ensure once
The uniformity of wind speed is equipped with adjustable contraction on primary air piping and carries out wind speed adjusting, the gaging hole of measuring wind speed is mounted on air hose,
It is convenient that wind speed is measured, convenient for cold conditions or hot to First air progress leveling work.The effect of this pitot tube is exactly to one
Secondary air hose carries out leveling, it is hot in the case of due to inside primary air piping containing a large amount of coal dusts, and be positive pressure, when measurement has big
The coal dust of amount sprays, and causes environment more severe, and influences normal leveling work, and when leveling needs repeatedly to carry out every pipe
Measurement, until leveling, leveling heavy workload, work efficiency bottom, error is big, and therefore, it is imperative to improve and innovate.
Utility model content
For the above situation, to overcome the defect of the prior art, the purpose of the utility model is just to provide a kind of slidingtype
Magnetic bases backrest pitot tube can effectively solve the problems, such as backrest pitot tube Fast Installation leveling.
The technical solution that the utility model solves is a kind of slidingtype magnetic bases backrest pitot tube, including pitot tube
Tube body, wireless pressure transmitter and radio receiving terminal, the output terminal of pitot tube tube body and the pressure of wireless pressure transmitter are defeated
Enter end to be connected, the output terminal of wireless pressure transmitter is connected through wireless signal with radio receiving terminal, forms pitot tube tube body pressure
The long range radio transmissions structure of power measurement data is provided on pitot tube tube body and slides along its length and fixed slide branch
Seat, is provided with the Seat Seal circle for preventing gap from leaking out, sliding support lower part is set between sliding support and pitot tube tube body
Be equipped with to fix the magnetic bases of air hose to be measured, magnetic bases include being fixedly connected on it is on sliding support bottom surface, by magnetic conduction
Housing made of material, through hole that casing center is provided with up/down perforation, being passed through for confession pitot tube tube body, through hole are forward and backward
The housing of both sides is embedded with made of un-conducted magnetic material, by the housing of the left and right sides slider placed separately opened, slider or so
The rounded rotating drum in section is both provided in the housing of both sides, the permanent magnet around the rotation of its axle center is provided in rotating drum, forever
The N poles of magnet merge and can be slided along the inner peripheral surface of rotating drum with the matching of the inner peripheral surface of rotating drum with lateral surface where S poles, forever
The knob for stretching out housing is provided on magnet, the lower face of housing is set for plane, covered with to be measured for preventing on lower face
The pedestal gasket that air hose upper end is leaked out.
Be provided on the sliding support with the corresponding perforation of pitot tube tube body, perforate middle part sliding support on set
There is the bolt hole of inside and outside perforation, be installed with to fix the fastening bolt of pitot tube tube body in bolt hole.
The mounting hole being connected with rotating drum is provided in the housing sidewall of the magnetic bases, knob is by being installed on peace
Connecting pole in dress hole is connected with permanent magnet, forms the rotation drive structure of permanent magnet.
The utility model structure novel is unique, advantages of simple, easily produces, easy to operate, easy for assembly, good airproof performance, volume
It is small, it is at low cost, it carries measurement conveniently, is adapted to the air hose of different tube diameters, significantly reduces workload during leveling at the scene,
Securely and reliably, easy to use, effect is good, is the innovation on backrest pitot tube.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the cross sectional plan view of the utility model sliding support.
Fig. 3 is the sectional front view of the utility model sliding support and magnetic bases.
Fig. 4 is the sectional view along A-A of the utility model Fig. 3.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It being provided by Fig. 1-4, the utility model includes pitot tube tube body 7, wireless pressure transmitter 12 and radio receiving terminal,
The output terminal of pitot tube tube body 7 is connected with the pressure input of wireless pressure transmitter 12, the output of wireless pressure transmitter 12
End is connected through wireless signal with radio receiving terminal, forms the long range radio transmissions structure of pitot tube tube body pressure measurement data,
Be provided with and slide along its length and fixed sliding support 3 on pitot tube tube body 7, sliding support 3 and pitot tube tube body 7 it
Between be provided with the Seat Seal circle 33 for preventing gap from leaking out, 3 lower part of sliding support is provided with to fix air hose to be measured
Magnetic bases 4, magnetic bases 4 include being fixedly connected on sliding support bottom surface, housing 41 made of permeability magnetic material, housing
41 through holes 45 being provided centrally with up/down perforation, being passed through for confession pitot tube tube body, the housing of 45 front and rear sides of through hole embed
Have made of un-conducted magnetic material, by the housing of the left and right sides slider 44 placed separately opened, the housing of 44 left and right sides of slider
The rounded rotating drum 46 in section is inside both provided with, the permanent magnet 43 around the rotation of its axle center, permanent magnet are provided in rotating drum 46
43 N poles merge and can be slided along the inner peripheral surface of rotating drum with the matching of the inner peripheral surface of rotating drum 46 with lateral surface where S poles, forever
It is provided with the knob 5 for stretching out housing on magnet 43, the lower face of housing is plane setting, covered with for preventing from treating on lower face
Survey the pedestal gasket 6 that air hose upper end is leaked out.
To ensure using effect, it is provided on the sliding support 3 and the corresponding perforation 32 of pitot tube tube body 7, perforation
The bolt hole 31 of inside and outside perforation is provided on the sliding support 3 at 32 middle parts, is installed with to fix pitot tube pipe in bolt hole 31
The fastening bolt 2 of body 7;33 cover type of Seat Seal circle is fixed on the inner wall of perforation 32, is provided on Seat Seal circle 33
For the through hole that fastening bolt 2 passes through, rotational fastener bolt 2 can be slid axially and be fixed along bolt hole, it is necessary to which fixed slide branch
During seat, fastening bolt is tightened, its inner end is made to compress pitot tube tube body can be, it is necessary to unclamp again when mobile.
The radio receiving terminal be the computer 9 with wireless receiver 8, the output of the pitot tube tube body 7
1 oral area is held to be provided with connector 10, connector 10 is connected through silicone tube 11 with the pressure input of wireless pressure transmitter 12, can
Long-range measurement, so as to avoid the safety problem to work at the scene.
The mounting hole 42 being connected with rotating drum 46 is provided on 41 side wall of housing of the magnetic bases 4, knob 5 passes through
The connecting pole being installed in mounting hole 42 is connected with permanent magnet 43, forms the rotation drive structure of permanent magnet, and turn knob makes forever
The N poles or S poles of magnet downward when, that is, adsorbable air hose to be measured(Air hose to be measured is made of stainless steel or seamless steel).
The slider is made of un-conducted magnetic material.
When the utility model is used, fastening bolt is unclamped, sliding support is made to be slided on the length direction of pitot tube tube body
To suitable position, fastening bolt is tightened, fixes sliding support, air hose upper end to be measured is close to the pedestal of 4 lower surface of magnetic bases
Gasket 6 by turn knob, makes the N poles of permanent magnet or i.e. adsorbable air hose to be measured, pedestal gasket prevents from treating downward for S poles
The upper end oral area for surveying air hose leaks out, and Seat Seal circle 33 prevents the gap between sliding support 3 and pitot tube tube body 7 from leaking out, from
And can measuring wind speed be carried out with fast leveling, compared with prior art, the utility model structure novel is unique, advantages of simple, easily
Production, easy to operate, easy for assembly, good airproof performance is small, at low cost, carries measurement conveniently, is adapted to the wind of different tube diameters
Pipe, sliding support can be adjusted into row distance, due to containing substantial amounts of coal dust, pedestal gasket and Seat Seal circle in First air
It effectively prevents gap from leaking out, ensures the tightness of device, the utility model is wireless measurement device, can directly be avoided at the scene
The safety problem of work significantly reduces workload during leveling at the scene, securely and reliably, easy to use, and effect is good, is backrest
Innovation on pitot tube has good social and economic benefit.
Claims (6)
1. a kind of slidingtype magnetic bases backrest pitot tube, which is characterized in that it includes pitot tube tube body(7), wireless pressure change
Send device(12)And radio receiving terminal, pitot tube tube body(7)Output terminal and wireless pressure transmitter(12)Pressure input
It is connected, wireless pressure transmitter(12)Output terminal be connected through wireless signal with radio receiving terminal, form pitot tube tube body pressure
The long range radio transmissions structure of power measurement data, pitot tube tube body(7)On be provided with along its length slide and fixed cunning
Dynamic bearing(3), sliding support(3)With pitot tube tube body(7)Between be provided with the Seat Seal circle for preventing gap from leaking out
(33), sliding support(3)Lower part is provided with to fix the magnetic bases of air hose to be measured(4), magnetic bases(4)Connect including fixed
It is connected on the sliding support bottom surface, housing made of permeability magnetic material(41), housing(41)It is provided centrally with up/down perforation, use
In the through hole passed through for pitot tube tube body(45), through hole(45)The housing of front and rear sides is embedded with made of un-conducted magnetic material,
By the housing of the left and right sides slider placed separately opened(44), slider(44)Section is both provided in the housing of the left and right sides in circle
The rotating drum of shape(46), rotating drum(46)Inside it is provided with the permanent magnet around the rotation of its axle center(43), permanent magnet(43)N poles and S
Lateral surface where pole is and rotating drum(46)Inner peripheral surface match merge can be slided along the inner peripheral surface of rotating drum, permanent magnet(43)On
It is provided with the knob for stretching out housing(5), the lower face of housing is that plane is set, covered with for preventing air hose to be measured on lower face
The pedestal gasket that upper end is leaked out(6).
2. slidingtype magnetic bases backrest pitot tube according to claim 1, which is characterized in that the sliding support(3)
On be provided with and pitot tube tube body(7)Corresponding perforation(32), perforation(32)The sliding support at middle part(3)On be provided with it is inside and outside
The bolt hole of perforation(31), bolt hole(31)It is inside installed with to fix pitot tube tube body(7)Fastening bolt(2).
3. slidingtype magnetic bases backrest pitot tube according to claim 2, which is characterized in that the Seat Seal circle
(33)Cover type is fixed on perforation(32)Inner wall on, Seat Seal circle(33)On be provided with for fastening bolt(2)The through hole passed through.
4. slidingtype magnetic bases backrest pitot tube according to claim 1, which is characterized in that the wireless receiving is whole
It holds as with wireless receiver(8)Computer(9).
5. slidingtype magnetic bases backrest pitot tube according to claim 1, which is characterized in that the pitot tube tube body
(7)Output terminal(1)Oral area is provided with connector(10), connector(10)Through silicone tube(11)With wireless pressure transmitter(12)
Pressure input be connected.
6. slidingtype magnetic bases backrest pitot tube according to claim 1, which is characterized in that the magnetic bases
(4)Housing(41)It is provided on side wall and rotating drum(46)The mounting hole being connected(42), knob(5)By being installed on mounting hole
(42)Interior connecting pole and permanent magnet(43)It is connected, forms the rotation drive structure of permanent magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721600664.7U CN207408424U (en) | 2017-11-27 | 2017-11-27 | A kind of slidingtype magnetic bases backrest pitot tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721600664.7U CN207408424U (en) | 2017-11-27 | 2017-11-27 | A kind of slidingtype magnetic bases backrest pitot tube |
Publications (1)
Publication Number | Publication Date |
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CN207408424U true CN207408424U (en) | 2018-05-25 |
Family
ID=62317245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721600664.7U Expired - Fee Related CN207408424U (en) | 2017-11-27 | 2017-11-27 | A kind of slidingtype magnetic bases backrest pitot tube |
Country Status (1)
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CN (1) | CN207408424U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108958304A (en) * | 2018-08-10 | 2018-12-07 | 国网山东省电力公司电力科学研究院 | A kind of First air leveling system and leveling method |
-
2017
- 2017-11-27 CN CN201721600664.7U patent/CN207408424U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108958304A (en) * | 2018-08-10 | 2018-12-07 | 国网山东省电力公司电力科学研究院 | A kind of First air leveling system and leveling method |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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: 20180525 Termination date: 20181127 |