CN210221214U - Sound velocity nozzle calibrating device - Google Patents
Sound velocity nozzle calibrating device Download PDFInfo
- Publication number
- CN210221214U CN210221214U CN201921293592.5U CN201921293592U CN210221214U CN 210221214 U CN210221214 U CN 210221214U CN 201921293592 U CN201921293592 U CN 201921293592U CN 210221214 U CN210221214 U CN 210221214U
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- sonic nozzle
- fixedly connected
- bevel gear
- lifting column
- lead screw
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Abstract
The utility model discloses a sonic nozzle calibrating installation relates to sonic nozzle field, including the gas holder, one side fixedly connected with connecting pipe of gas holder, the one end fixed mounting of connecting pipe has the sonic nozzle, the lower fixed surface of sonic nozzle is connected with the bracket, the bottom fixedly connected with backup pad of bracket, the lower fixed surface of backup pad is connected with the lift post, the equal fixedly connected with pier stud in both sides of gas holder, the below of sonic nozzle is provided with a supporting bench, the bottom middle part threaded connection of lift post has the lead screw, the first bevel gear of the bottom outside fixedly connected with of lead screw, the bottom swing joint of lead screw has the bearing frame, one side meshing of first bevel gear is connected with the second bevel gear, one side middle part fixedly connected with pivot of second bevel gear. The utility model discloses a set up the bracket on the sonic nozzle and can make the sonic nozzle remain stable, the position of the fixed sonic nozzle of being convenient for is favorable to the installation of sonic nozzle.
Description
Technical Field
The utility model relates to a sonic nozzle field, in particular to sonic nozzle calibrating installation.
Background
The sonic nozzle is a gradually reducing and gradually releasing channel, when the air flow passes through the gradually reducing section, the speed is increased, the pressure is reduced, the sonic nozzle calibration device is designed and manufactured by Jiangsu Huaqing instrument Co., Ltd (commonly called flowmeter calibration device), selects a critical flow Venturi nozzle which meets the national standard ISO9300 critical flow Venturi nozzle measuring gas flow as a standard flowmeter, adopts a standard meter method to carry out flow verification or test according to the verification regulations of national speed type and volumetric flowmeters, the device can carry out factory inspection and periodic inspection on gas flowmeters of volumetric flowmeters such as turbine flowmeters, vortex street flowmeters, impeller flowmeters, precession vortex flowmeters and the like, and waist wheel flowmeters, industrial membrane meters and the like.
At present, when the existing calibrating device is used for fixing the sonic nozzle, the fixing device of the sonic nozzle is too rigid due to different heights of the air storage tank, so that the height of the sonic nozzle cannot be flexibly adjusted, troubles are brought to the installation of the sonic nozzle, and the assembling efficiency of the calibrating device is integrally reduced.
Therefore, it is necessary to invent a sonic nozzle verification apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sonic nozzle calibrating installation to current calibrating installation that proposes in solving above-mentioned background art is when fixed sonic nozzle, because the height of gas holder is different, and the fixing device of sonic nozzle is too hard, the height of regulation sonic nozzle that can not be nimble, and for the installation of sonic nozzle has brought the trouble, has wholly reduced calibrating installation's the packaging efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a sonic nozzle calibrating device comprises a gas storage tank, wherein one side of the gas storage tank is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly provided with a sonic nozzle, the lower surface of the sonic nozzle is fixedly connected with a bracket, the bottom of the bracket is fixedly connected with a supporting plate, the lower surface of the supporting plate is fixedly connected with a lifting column, both sides of the gas storage tank are fixedly connected with pier columns, and a supporting table is arranged below the sonic nozzle;
the middle part of the bottom end of the lifting column is in threaded connection with a lead screw, the outer side of the bottom of the lead screw is fixedly connected with a first bevel gear, the bottom end of the lead screw is movably connected with a bearing block, one side of the first bevel gear is in meshed connection with a second bevel gear, the middle part of one side of the second bevel gear is fixedly connected with a rotating shaft, and one end of the rotating shaft is movably connected with a motor.
Optionally, both sides of the upper surface of the support table are fixedly connected with telescopic columns;
the top end of the telescopic column is fixedly connected with the lower surface of the supporting plate.
Optionally, a movable groove is formed in the middle of the upper surface of the support table;
the outer side of the lifting column is attached to the inner wall of the movable groove.
Optionally, the middle part of the bottom end of the lifting column is provided with a thread groove;
the lead screw is movably connected with the lifting column through a thread groove.
Optionally, the bottom end of the pier stud is fixedly connected with the upper surface of the base;
the equal fixedly connected with fixed column in lower surface both sides of base.
Optionally, four corners of the lower surface of the support table are movably connected with universal wheels;
the lifting column is rectangular.
Optionally, a placing groove is formed in the inner wall of one side of the movable groove;
the inner wall of the placing groove is fixedly connected with the outer side of the motor.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the bracket on the sonic nozzle and can make the sonic nozzle remain stable, the position of the fixed sonic nozzle of being convenient for is favorable to the installation of sonic nozzle, uses through the cooperation of backup pad and bracket, can support a plurality of sonic nozzles, has reduced the space that equipment calibrating installation occupy.
2. The utility model discloses a lead screw is rotatory to under the mating reaction of thread groove, can drive the lift post and go up and down, in the meantime, the movable groove can play spacing effect to the lift post, just can make the lead screw drive the lift post and rise, so when the lift post rises, avoid the lift post to break away from the movable groove, the lift post does not need to rise very high under the general condition, through lift post supporting pad, bracket and sonic nozzle, the labour has been reduced, very big improvement the installation rate of sonic nozzle.
Drawings
Fig. 1 is a schematic top view of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
Fig. 4 is a schematic side view of the support plate structure of the present invention.
In the figure: 1. a gas storage tank; 2. a connecting pipe; 3. a sonic nozzle; 4. a bracket; 5. a support plate; 6. a lifting column; 7. pier studs; 8. a support table; 9. a lead screw; 10. a first bevel gear; 11. a bearing seat; 12. a rotating shaft; 13. a motor; 14. a telescopic column; 15. a movable groove; 16. a thread groove; 17. a base; 18. a universal wheel; 19. a placement groove; 20. a second bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides a sonic nozzle calibrating device as shown in figures 1-4, which is shown in figures 1 and 2, and comprises a gas storage tank 1, a connecting pipe 2 is fixedly connected to one side of the gas storage tank 1, a sonic nozzle 3 is fixedly installed at one end of the connecting pipe 2, a bracket 4 is fixedly connected to the lower surface of the sonic nozzle 3, the sonic nozzle 3 can be kept stable by arranging the bracket 4 on the sonic nozzle 3, the position of the sonic nozzle 3 can be fixed conveniently, the installation of the sonic nozzle 3 is facilitated, a supporting plate 5 is fixedly connected to the bottom of the bracket 4, a plurality of sonic nozzles 3 can be supported by matching the supporting plate 5 and the bracket 4, the space occupied by the assembling calibrating device is reduced, a lifting column 6 is fixedly connected to the lower surface of the supporting plate 5, a thread groove 16 is arranged in the middle part of the bottom end of the lifting column 6, the lifting column 6 is rectangular, pier columns 7 are fixedly connected to both sides of the gas storage tank, the bottom end of the pier column 7 is fixedly connected with the upper surface of a base 17, both sides of the lower surface of the base 17 are fixedly connected with fixed columns, a support table 8 is arranged below the sonic nozzle 3, both sides of the upper surface of the support table 8 are fixedly connected with telescopic columns 14, the top ends of the telescopic columns 14 are fixedly connected with the lower surface of a support plate 5, the middle part of the upper surface of the support table 8 is provided with a movable groove 15, the outer side of the lifting column 6 is attached to the inner wall of the movable groove 15, four corners of the lower surface of the support table 8 are movably connected with universal wheels 18, the lifting column 6 can be driven to lift through the rotation of a screw 9 under the matching action of a thread groove 16, during the period, the movable groove 15 can play a limiting role on the lifting column 6, the screw 9 can drive the lifting column 6 to lift, so that the lifting column 6 is prevented from being separated from the movable groove 15 when the lifting column 6 lifts, the lifting column 6 does not need, the lifting column 6 supports the support plate 5, the bracket 4 and the sonic nozzle 3, so that the labor force is reduced, and the installation speed of the sonic nozzle 3 is greatly improved;
as shown in fig. 3 and 4, a screw 9 is connected to the middle of the bottom end of the lifting column 6 through a thread, the screw 9 is movably connected to the lifting column 6 through a thread groove 16, a first bevel gear 10 is fixedly connected to the outer side of the bottom of the screw 9, a bearing seat 11 is movably connected to the bottom end of the screw 9, a second bevel gear 20 is connected to one side of the first bevel gear 10 in a meshed manner, a rotating shaft 12 is fixedly connected to the middle of one side of the second bevel gear 20, a motor 13 is movably connected to one end of the rotating shaft 12, a placement groove 19 is formed in the inner wall of one side of the movable groove 15, and the inner wall of the.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
This practical theory of operation: when the sonic nozzle 3 needs to be installed, firstly, a user needs to properly adjust the height of the sonic nozzle 3 according to the position of the gas storage tank 1 so as to install the sonic nozzle 3, the rotating shaft 12 is driven to rotate by the starting motor 13, the second bevel gear 20 is driven to rotate by the rotating shaft 12, the first bevel gear 10 is driven to rotate by the second bevel gear 20, the lead screw 9 is driven to rotate by the first bevel gear 10, the lifting column 6 can be driven to ascend by the rotation of the lead screw 9 and under the matching action of the thread groove 16, the supporting plate 5 is driven to ascend by the lifting column 6, the bracket 4 and the sonic nozzle 3 are driven to ascend by the supporting plate 5, after the sonic nozzle 3 is adjusted to the proper height, the supporting table 8 is moved so that the sonic nozzle 3 is close to the connecting pipe 2 on the gas storage tank 1 and is installed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a sonic nozzle calibrating installation, includes gas holder (1), its characterized in that: one side of the gas storage tank (1) is fixedly connected with a connecting pipe (2), one end of the connecting pipe (2) is fixedly provided with a sonic nozzle (3), the lower surface of the sonic nozzle (3) is fixedly connected with a bracket (4), the bottom of the bracket (4) is fixedly connected with a supporting plate (5), the lower surface of the supporting plate (5) is fixedly connected with a lifting column (6), both sides of the gas storage tank (1) are fixedly connected with pier columns (7), and a supporting table (8) is arranged below the sonic nozzle (3);
the lifting column is characterized in that a lead screw (9) is in threaded connection with the middle of the bottom end of the lifting column (6), a first bevel gear (10) is fixedly connected to the outer side of the bottom of the lead screw (9), a bearing seat (11) is movably connected to the bottom end of the lead screw (9), a second bevel gear (20) is meshed and connected to one side of the first bevel gear (10), a rotating shaft (12) is fixedly connected to the middle of one side of the second bevel gear (20), and a motor (13) is movably connected to one end of the rotating shaft (12).
2. A sonic nozzle verification device as claimed in claim 1, wherein:
both sides of the upper surface of the support table (8) are fixedly connected with telescopic columns (14);
the top end of the telescopic column (14) is fixedly connected with the lower surface of the supporting plate (5).
3. A sonic nozzle verification device as claimed in claim 1, wherein:
a movable groove (15) is formed in the middle of the upper surface of the support table (8);
the outer side of the lifting column (6) is attached to the inner wall of the movable groove (15).
4. A sonic nozzle verification device as claimed in claim 1, wherein:
the middle part of the bottom end of the lifting column (6) is provided with a thread groove (16);
the lead screw (9) is movably connected with the lifting column (6) through a thread groove (16).
5. A sonic nozzle verification device as claimed in claim 1, wherein:
the bottom end of the pier column (7) is fixedly connected with the upper surface of the base (17);
the lower surface both sides of base (17) all fixedly connected with fixed column.
6. A sonic nozzle verification device as claimed in claim 1, wherein:
universal wheels (18) are movably connected at four corners of the lower surface of the supporting table (8);
the lifting column (6) is rectangular.
7. A sonic nozzle verification device as claimed in claim 3, wherein:
a placing groove (19) is formed in the inner wall of one side of the movable groove (15);
the inner wall of the placing groove (19) is fixedly connected with the outer side of the motor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293592.5U CN210221214U (en) | 2019-08-12 | 2019-08-12 | Sound velocity nozzle calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293592.5U CN210221214U (en) | 2019-08-12 | 2019-08-12 | Sound velocity nozzle calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210221214U true CN210221214U (en) | 2020-03-31 |
Family
ID=69918432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921293592.5U Active CN210221214U (en) | 2019-08-12 | 2019-08-12 | Sound velocity nozzle calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210221214U (en) |
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2019
- 2019-08-12 CN CN201921293592.5U patent/CN210221214U/en active Active
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