CN113375735A - Adjustable high-pressure nozzle of flow measuring device - Google Patents
Adjustable high-pressure nozzle of flow measuring device Download PDFInfo
- Publication number
- CN113375735A CN113375735A CN202110442756.1A CN202110442756A CN113375735A CN 113375735 A CN113375735 A CN 113375735A CN 202110442756 A CN202110442756 A CN 202110442756A CN 113375735 A CN113375735 A CN 113375735A
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- China
- Prior art keywords
- nozzle
- fixedly connected
- pipe
- threaded rod
- tube
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- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 abstract description 11
- 244000309464 bull Species 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/42—Orifices or nozzles
Abstract
The invention belongs to the technical field of flow measuring devices, and discloses a high-pressure nozzle of an adjustable flow measuring device, which comprises a flow tube, wherein a nozzle is arranged in the flow tube, the flow tube comprises a front tube and a rear tube, the front tube and the rear tube are fixedly connected through a bolt and a nut, a fixed block fixedly connected with the nozzle is sleeved on the outer side of the nozzle, and the outer side surface of the fixed block is fixedly connected with the inner side wall of the front tube. This scheme is through with servo motor circular telegram operation when using, drives the bull stick and rotates, drives toper action wheel and toper then and follows the driving wheel rotation, and can drive the thread bush along with the toper from the rotation of driving wheel and rotate to the restriction of cooperation gag lever post to the threaded rod, thereby control about the threaded rod that makes with thread bush threaded connection, and then control about drive connecting block and the toper sprue, thereby realize the regulation of fluid flux when the nozzle, improve measurement accuracy.
Description
Technical Field
The invention relates to the technical field of flow measurement devices, in particular to a high-pressure nozzle of an adjustable flow measurement device.
Background
The nozzle flowmeter is a differential pressure generating device for measuring flow, can measure the flow of various fluids in a pipeline by matching with various differential pressure meters or differential pressure transmitters, can measure the flow of liquid, steam and gas by matching a standard nozzle throttling device with the differential pressure transmitter, and is widely applied to the departments of petroleum, chemical industry, metallurgy, electric power, light industry and the like.
The pipe diameter of a high-pressure nozzle in the existing nozzle flowmeter is mostly fixed, so that the flow passing through the high-pressure nozzle is fixed, and the requirement of fluid measurement accuracy cannot be met by the fixed flow flux due to the continuous change of the fluid flow in actual engineering measurement.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a high-pressure nozzle of an adjustable flow measuring device, which aims to solve the problems that the pipe diameter of the high-pressure nozzle in the existing nozzle flowmeter is mostly fixed, so that the flow passing through the high-pressure nozzle is fixed, and the fixed flow flux cannot meet the requirement of fluid measurement accuracy due to the continuous change of the fluid flow in the actual engineering measurement.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An adjustable high-pressure nozzle of a flow measuring device comprises a flow tube, wherein a nozzle is arranged in the flow tube, the flow tube comprises a front tube and a rear tube, the front tube and the rear tube are fixedly connected through a bolt and a nut, the outer side of the nozzle is sleeved with a fixed block fixedly connected with the nozzle, the outer side surface of the fixed block is fixedly connected with the inner side wall of the front tube, the right side of the nozzle extends to the inside of the rear tube, a conical block is arranged in the front tube and positioned on the left side of the nozzle, the right side of the conical block extends into the nozzle, a connecting block is fixedly connected on the left side of the conical block, a positioning block is arranged on the left side of the connecting block, a threaded rod is fixedly connected on the left side of the connecting block, the left end of the threaded rod penetrates through and extends to the left side of the positioning block, a limiting rod is fixedly connected on the left side of the connecting block and positioned below the threaded rod, the left end of the limiting rod penetrates through and extends to the left side of the positioning block, and a driving assembly for driving the threaded rod to move left and right is arranged on the positioning block.
As a further scheme of the invention: and pressure measuring pipes communicated with the interior of the flow pipe are arranged at the tops of the front pipe and the rear pipe.
As a further scheme of the invention: drive assembly includes the thread bush, the thread bush passes through the bearing and inlays to be established on the locating piece, the threaded rod runs through the left side that the thread bush extends to the locating piece, threaded rod and thread bush threaded connection, the thread bush is sheathe in and is equipped with rather than fixed connection's toper from the driving wheel, the toper has the toper action wheel from the top meshing of driving wheel, the top fixedly connected with bull stick of toper action wheel, the top fixed mounting of leading pipe has servo motor, the bottom of bull stick run through and extend to the top of leading pipe and with servo motor's output shaft fixed connection, the bull stick passes through bearing and leading pipe fixed connection.
As a further scheme of the invention: the left ends of the threaded rod and the limiting rod are fixedly connected with limiting blocks.
As a further scheme of the invention: the diameter of the conical plugging block is gradually reduced from left to right, and the height and the thickness of the positioning block are both smaller than those of the front pipe.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through with servo motor circular telegram operation when using, drives the bull stick and rotates, drives toper action wheel and toper then and follows the driving wheel rotation, and can drive the thread bush along with the toper from the rotation of driving wheel and rotate to the restriction of cooperation gag lever post to the threaded rod, thereby control about the threaded rod that makes with thread bush threaded connection, and then control about drive connecting block and the toper sprue, thereby realize the regulation of fluid flux when the nozzle, improve measurement accuracy.
(2) The top of this scheme leading pipe and rearmounted pipe all is provided with the pressure-measuring pipe that is linked together with flow tube inside, and the staff can insert the pressure-measuring equipment through two pressure-measuring pipes respectively and establish the inside at leading pipe and rearmounted pipe, is convenient for measure the pressure differential around liquid or gaseous nozzle.
(3) This scheme can prevent through the restriction of stopper that threaded rod and gag lever post from taking place the phenomenon that breaks away from with the locating piece, and influence nozzle flow control.
(4) The diameter of this scheme toper sprue reduces from a left side to the right side gradually, can make things convenient for toper sprue business turn over nozzle, can realize fluid flow's crescent or reduce again, and the height and the thickness of locating piece all are less than leading pipe to guarantee not to influence fluidic normal circulation.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an elevational, cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a top sectional view of FIG. 1 of the present invention.
The reference numbers in the figures illustrate:
1. a flow tube; 11. a front pipe; 12. a rear pipe; 13. a piezometric tube; 2. a nozzle; 3. a fixed block; 4. a conical block; 5. connecting blocks; 6. positioning blocks; 7. a threaded rod; 8. a limiting rod; 9. a drive assembly; 91. a threaded sleeve; 92. a conical driven wheel; 93. a conical driving wheel; 94. a rotating rod; 95. a servo motor; 10. and a limiting block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-4, a high pressure nozzle of an adjustable flow measuring device comprises a flow tube 1, a nozzle 2 is arranged in the flow tube 1, the flow tube 1 comprises a front tube 11 and a rear tube 12, the front tube 11 and the rear tube 12 are fixedly connected through a bolt and a nut, a fixed block 3 fixedly connected with the nozzle 2 is sleeved outside the nozzle 2, the outer side surface of the fixed block 3 is fixedly connected with the inner side wall of the front tube 11, the right side of the nozzle 2 extends into the rear tube 12, a conical block 4 is arranged in the front tube 11 and positioned at the left side of the nozzle 2, the right side of the conical block 4 extends into the nozzle 2, a connecting block 5 is fixedly connected at the left side of the conical block 4, a positioning block 6 is arranged at the left side of the connecting block 5, a threaded rod 7 is fixedly connected at the left side of the connecting block 5, the left end of the threaded rod 7 extends to the left side of the positioning block 6, a limiting rod 8 is fixedly connected at the left side of the connecting block 5 and positioned below the threaded rod 7, the left end of gag lever post 8 runs through and extends to the left side of locating piece 6, is provided with drive assembly 9 that removes about drive threaded rod 7 on the locating piece 6, when using, through drive assembly 9 and through gag lever post 8 spacing and direction for remove about threaded rod 7, and then remove about drive connecting block 5 and toper sprue 4, thereby realize the regulation of 2 flows of nozzle.
Furthermore, pressure measuring pipes 13 communicated with the inside of the flow tube 1 are arranged at the tops of the front pipe 11 and the rear pipe 12, and a worker can insert pressure measuring equipment into the front pipe 11 and the rear pipe 12 through the two pressure measuring pipes 13 respectively, so that the pressure difference of liquid or gas before and after passing through the nozzle 2 can be measured conveniently.
Further, the driving assembly 9 includes a threaded sleeve 91, the threaded sleeve 91 is embedded on the positioning block 6 through a bearing, the threaded rod 7 penetrates through the threaded sleeve 91 and extends to the left side of the positioning block 6, the threaded rod 7 is in threaded connection with the threaded sleeve 91, the threaded sleeve 91 is sleeved with a conical driven wheel 92 fixedly connected with the threaded sleeve 91, the top of the conical driven wheel 92 is meshed with a conical driving wheel 93, the top of the conical driving wheel 93 is fixedly connected with a rotating rod 94, the top of the front pipe 11 is fixedly provided with a servo motor 95, the bottom end of the rotating rod 94 penetrates through and extends to the upper side of the front pipe 11 and is fixedly connected with an output shaft of the servo motor 95, the rotating rod 94 is fixedly connected with the front pipe 11 through a bearing, the servo motor 95 is electrified to operate to drive the rotating rod 94 to rotate, then the conical driving wheel 93 and the conical driven wheel 92 are driven to rotate, and the threaded sleeve 91 can be driven to rotate along with the rotation of the conical driven wheel 92, and the restriction of the threaded rod 7 by the limiting rod 8 is matched, so that the threaded rod 7 in threaded connection with the threaded sleeve 91 moves left and right, the connecting block 5 and the conical plugging block 4 are driven to move left and right, and the flow of the nozzle 2 is adjusted.
Further, the equal fixedly connected with stopper 10 in the left end of threaded rod 7 and gag lever post 8 can prevent through stopper 10's restriction that threaded rod 7 and gag lever post 8 from taking place the phenomenon that breaks away from with locating piece 6, and influence 2 flow control of nozzle.
Further, the diameter of the conical plugging block 4 is gradually reduced from left to right, the conical plugging block 4 can conveniently enter and exit the nozzle 2, the gradual increase or reduction of the fluid flow can be realized, the height and the thickness of the positioning block 6 are smaller than those of the preposed pipe 11, and therefore the normal circulation of the fluid is not affected.
The working principle is as follows: through with servo motor 95 circular telegram operation when using, drive bull stick 94 rotates, drive toper action wheel 93 and toper then and follow the rotation of driving wheel 92, and can drive thread bush 91 along with the toper from the rotation of driving wheel 92 and rotate, and the restriction of cooperation gag lever post 8 to threaded rod 7, thereby make and remove about threaded rod 7 with thread bush 91 threaded connection, and then drive connecting block 5 and toper sprue 4 and remove about, thereby realize the regulation of fluid through nozzle 2 time circulation, improve measurement accuracy.
It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when being used specifically, which is not described in detail.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides an adjustable flow measurement device high pressure nozzle, includes flow tube (1), is provided with nozzle (2) in flow tube (1), flow tube (1) is including leading pipe (11) and postposition pipe (12), leading pipe (11) and postposition pipe (12) are through bolt and nut fixed connection, its characterized in that: the outer side cover of nozzle (2) is equipped with fixed block (3) rather than fixed connection, the lateral surface of fixed block (3) and the inside wall fixed connection of leading pipe (11), the right side of nozzle (2) extends to the inside of rearmounted pipe (12), the left side that just is located nozzle (2) in leading pipe (11) is provided with toper sprue (4), the right side of toper sprue (4) extends to in nozzle (2), the left side fixedly connected with connecting block (5) of toper sprue (4), the left side of connecting block (5) is provided with locating piece (6), the left side fixedly connected with threaded rod (7) of connecting block (5), the left end of threaded rod (7) runs through and extends to the left side of locating piece (6), the left side of connecting block (5) just is located below fixedly connected with gag lever post (8) of threaded rod (7), the left end of the limiting rod (8) penetrates through and extends to the left side of the positioning block (6), and a driving assembly (9) for driving the threaded rod (7) to move left and right is arranged on the positioning block (6).
2. The adjustable flow metering device high pressure nozzle of claim 1, wherein: and pressure measuring pipes (13) communicated with the interior of the flow pipe (1) are arranged at the tops of the front pipe (11) and the rear pipe (12).
3. The adjustable flow metering device high pressure nozzle of claim 1, wherein: the driving component (9) comprises a threaded sleeve (91), the threaded sleeve (91) is embedded on the positioning block (6) through a bearing, the threaded rod (7) penetrates through the threaded sleeve (91) and extends to the left side of the positioning block (6), the threaded rod (7) is in threaded connection with a threaded sleeve (91), a conical driven wheel (92) fixedly connected with the threaded sleeve (91) is sleeved on the threaded sleeve (91), the top of the conical driven wheel (92) is engaged with a conical driving wheel (93), the top of the conical driving wheel (93) is fixedly connected with a rotating rod (94), the top of the preposed tube (11) is fixedly provided with a servo motor (95), the bottom end of the rotating rod (94) penetrates through and extends to the upper portion of the front pipe (11) and is fixedly connected with an output shaft of the servo motor (95), and the rotating rod (94) is fixedly connected with the front pipe (11) through a bearing.
4. The adjustable flow metering device high pressure nozzle of claim 1, wherein: the left ends of the threaded rod (7) and the limiting rod (8) are fixedly connected with limiting blocks (10).
5. The adjustable flow metering device high pressure nozzle of claim 1, wherein: the diameter of the conical plugging block (4) is gradually reduced from left to right, and the height and the thickness of the positioning block (6) are both smaller than those of the front pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442756.1A CN113375735A (en) | 2021-04-23 | 2021-04-23 | Adjustable high-pressure nozzle of flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442756.1A CN113375735A (en) | 2021-04-23 | 2021-04-23 | Adjustable high-pressure nozzle of flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113375735A true CN113375735A (en) | 2021-09-10 |
Family
ID=77569966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110442756.1A Pending CN113375735A (en) | 2021-04-23 | 2021-04-23 | Adjustable high-pressure nozzle of flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113375735A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759940A (en) * | 2018-04-08 | 2018-11-06 | 江阴市节流装置厂有限公司 | A kind of adjustable flow rate-measuring device high pressure nozzle |
| CN109555865A (en) * | 2018-12-04 | 2019-04-02 | 康毛娣 | Industrial pipeline valve |
| CN211042340U (en) * | 2019-12-12 | 2020-07-17 | 安为机电设备制造(上海)有限公司 | Nozzle flowmeter |
| CN211315212U (en) * | 2019-12-30 | 2020-08-21 | 佛山市秀峰制冷设备有限公司 | Brass flow dividing head with adjustable flow |
| CN211983407U (en) * | 2019-11-27 | 2020-11-24 | 徐燕新 | But agricultural is with medicine device that spouts that multi-angle control adjusted |
-
2021
- 2021-04-23 CN CN202110442756.1A patent/CN113375735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759940A (en) * | 2018-04-08 | 2018-11-06 | 江阴市节流装置厂有限公司 | A kind of adjustable flow rate-measuring device high pressure nozzle |
| CN109555865A (en) * | 2018-12-04 | 2019-04-02 | 康毛娣 | Industrial pipeline valve |
| CN211983407U (en) * | 2019-11-27 | 2020-11-24 | 徐燕新 | But agricultural is with medicine device that spouts that multi-angle control adjusted |
| CN211042340U (en) * | 2019-12-12 | 2020-07-17 | 安为机电设备制造(上海)有限公司 | Nozzle flowmeter |
| CN211315212U (en) * | 2019-12-30 | 2020-08-21 | 佛山市秀峰制冷设备有限公司 | Brass flow dividing head with adjustable flow |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210910 |
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| RJ01 | Rejection of invention patent application after publication |