CN112197903B - Boats and ships atmospheric pressure table calibration equipment - Google Patents
Boats and ships atmospheric pressure table calibration equipment Download PDFInfo
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- CN112197903B CN112197903B CN202011169129.7A CN202011169129A CN112197903B CN 112197903 B CN112197903 B CN 112197903B CN 202011169129 A CN202011169129 A CN 202011169129A CN 112197903 B CN112197903 B CN 112197903B
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- atmosphere pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
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Abstract
The invention discloses a ship atmosphere pressure gauge calibration device, and particularly relates to the technical field of atmosphere pressure gauge calibration. According to the invention, through the arrangement of the mounting mechanism, the cylindrical frame, the rotating shaft, the second bevel gear and the third bevel gear, four atmosphere pressure meters can be simultaneously mounted, so that the four atmosphere pressure meters can be simultaneously measured, the calibration efficiency is improved, the mounting and the dismounting are convenient, only the atmosphere pressure meter and the forward rotation or reverse rotation hand wheel need to be inserted or pulled out, the operation is convenient, and the practicability is good.
Description
Technical Field
The invention relates to the technical field of atmospheric pressure gauge calibration, in particular to a ship atmospheric pressure gauge calibration device.
Background
The atmospheric pressure gauge is an instrument for detecting gas pressure, is widely applied, is an important component in ship equipment in seagoing, is a conventional instrument for measuring atmospheric pressure, has the advantages of accurate measurement, wide pressure measuring range, simplicity and convenience in use and maintenance, no mercury pollution and the like, and can be used only after being checked before being used and meeting the detection standard.
The device for checking the atmospheric pressure gauge at present can only check one atmospheric pressure gauge at a time usually, and a small part of the device can check a plurality of atmospheric pressure gauges at a time.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the above defects in the prior art, an embodiment of the present invention provides a calibration apparatus for a ship atmospheric pressure gauge, and the technical problems to be solved by the present invention are: how to quickly install an atmospheric pressure gauge.
In order to achieve the purpose, the invention provides the following technical scheme: a ship atmosphere pressure gauge calibration device comprises a base, wherein connecting rods are fixedly connected to the periphery of the upper end of the base, a test box is arranged above the base, the base is fixedly connected with the bottom end of the test box through the connecting rods, four test cavities are arranged inside the test box, the upper end of the test box is detachably connected with a box cover through threads, a pressure pump is arranged in the middle of the base, a connector is arranged at the upper end of the base, openings are formed in the periphery and the middle of the bottom end of the connector, an air outlet of the pressure pump is communicated with the opening in the middle of the connector, first connecting pipes are communicated with the openings in the periphery of the connector, check valves are fixedly arranged in the middle of the four first connecting pipes, one ends of the four first connecting pipes, far away from the connector, are respectively communicated with the interiors of the four test cavities, and a standard atmosphere pressure gauge is arranged on the periphery of the base, the four standard atmosphere pressure gauges are respectively communicated with the interiors of the four testing cavities, an installation mechanism and an atmosphere pressure gauge are arranged on the periphery above the box cover, and the atmosphere pressure gauge is fixed through the installation mechanism;
the mounting mechanism comprises a mounting frame, the mounting frame is fixedly mounted at the upper end of the box cover, a mounting cylinder fixedly spliced with the box cover is arranged below the mounting frame, the bottom end of the mounting cylinder extends to the inside of the test cavity, the upper end of the mounting cylinder is funnel-shaped, a sealing block is arranged inside the upper end of the mounting cylinder, a first bevel gear is arranged above the sealing block, a rotary cylinder is fixedly connected to the middle of the upper end of the first bevel gear, the upper end of the rotary cylinder is rotatably connected with the middle of the mounting frame, the middle of the rotary cylinder is movably connected with a movable cylinder through threads, the bottom end of the movable cylinder is fixedly connected with the upper end of the sealing block, guide columns are movably spliced on both sides of the upper end of the movable cylinder, the bottom ends of the two guide columns are fixedly connected with the upper end of the mounting frame, a cylindrical frame is fixedly connected to the middle of the upper end of the box cover, and rotating shafts are rotatably connected around the cylindrical frame, one end of the rotating shaft is connected with a second bevel gear in meshing transmission with the first bevel gear in a matching mode, the other end of the rotating shaft is connected with a third bevel gear located inside the cylindrical frame in a matching mode, the four third bevel gears on the rotating shaft are in meshing transmission between adjacent, and the atmospheric pressure gauge is inserted from the upper portion of the movable cylinder and sequentially passes through the movable cylinder and the sealing block installation cylinder to extend to the bottom end of the installation cylinder.
In a preferred embodiment, the outer side walls of the four test cavities are fixedly connected with electrically-controlled air release valves, and the electrically-controlled air release valves are communicated with the interior of the test cavities.
In a preferred embodiment, a sealing gasket is arranged between the test box and the box cover.
In a preferred embodiment, the base is integrally formed with a placing rod at the periphery, and the four standard atmospheric pressure gauges are movably inserted into the upper ends of the four placing rods respectively.
In a preferred embodiment, the diameter of the opening at the bottom end of the mounting cylinder is smaller than the diameter of the bottom end of the atmospheric pressure gauge.
In a preferred embodiment, a hand wheel is fixedly connected to the outer side of one of the rotating shafts.
In a preferred embodiment, the bottom ends of the four standard atmosphere pressure gauges are fixedly connected with second connecting pipes, and the four standard atmosphere pressure gauges are respectively communicated with the interiors of the four test cavities through the second connecting pipes.
The invention has the technical effects and advantages that:
1. according to the invention, through the arrangement of the mounting mechanism, the cylindrical frame, the rotating shaft, the second bevel gear and the third bevel gear, four atmosphere pressure meters can be simultaneously mounted, so that the four atmosphere pressure meters can be simultaneously measured, the calibration efficiency is improved, the mounting and the dismounting are convenient, only the atmosphere pressure meter and the forward rotation or reverse rotation hand wheel need to be inserted or pulled out, the operation is convenient, and the practicability is good;
2. according to the invention, through the arrangement of the placing rod, a standard atmosphere pressure gauge can be conveniently placed, through the arrangement of the sealing gasket, the sealing property between the test box and the box cover can be ensured, and through the arrangement of the four test cavities, the four atmosphere pressure gauges can be verified.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention.
Fig. 4 is a partial enlarged view of the invention at B in fig. 1.
Fig. 5 is a partial enlarged view of the invention at C in fig. 3.
Fig. 6 is a partial enlarged view of the invention at D in fig. 3.
FIG. 7 is a schematic structural diagram of the test cassette of the present invention.
Fig. 8 is a schematic structural diagram of the base of the present invention.
The reference signs are:
the device comprises a base 1, a connecting rod 11, a placing rod 12, a test box 2, a test cavity 21, an electronic control air release valve 22, a box cover 3, a sealing gasket 31, a pressure pump 4, a connector 5, a first connecting pipe 6, a one-way valve 61, a standard atmospheric pressure gauge 7, a second connecting pipe 71, an installation mechanism 8, an installation rack 81, an installation barrel 82, a sealing block 83, a first bevel gear 84, a rotating barrel 85, a movable barrel 86, a guide post 87, a cylindrical rack 9, a rotating shaft 91, a second bevel gear 92, a third bevel gear 93, an atmospheric pressure gauge 100 and a hand wheel 110.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The invention provides a ship atmospheric pressure gauge calibration device, which comprises a base 1, wherein the periphery of the upper end of the base 1 is fixedly connected with connecting rods 11, a test box 2 is arranged above the base 1, the base 1 is fixedly connected with the bottom end of the test box 2 through the connecting rods 11, four test cavities 21 are arranged inside the test box 2, the upper end of the test box 2 is detachably connected with a box cover 3 through threads, a pressure pump 4 is arranged in the middle of the base 1, a connector 5 is arranged at the upper end of the base 1, openings are formed in the periphery and the middle part of the bottom end of the connector 5, an air outlet of the pressure pump 4 is communicated with the opening in the middle of the connector 5, the openings in the periphery of the connector 5 are communicated with first connecting pipes 6, one-way valves 61 are fixedly arranged in the middle parts of the four first connecting pipes 6, one ends of the four first connecting pipes 6 far away from the connector 5 are respectively communicated with the interiors of the four test cavities 21, the periphery of the base 1 is provided with standard atmosphere pressure gauges 7, the four standard atmosphere pressure gauges 7 are respectively communicated with the interiors of the four test cavities 21, the periphery above the box cover 3 is provided with an installation mechanism 8 and an atmosphere pressure gauge 100, and the atmosphere pressure gauge 100 is fixed through the installation mechanism 8;
the mounting mechanism 8 comprises a mounting frame 81, the mounting frame 81 is fixedly mounted at the upper end of the box cover 3, a mounting cylinder 82 fixedly connected with the box cover 3 in an inserting manner is arranged below the mounting frame 81, the bottom end of the mounting cylinder 82 extends into the testing cavity 21, the upper end of the mounting cylinder 82 is funnel-shaped, a sealing block 83 is arranged inside the upper end of the mounting cylinder 82, a first bevel gear 84 is arranged above the sealing block 83, a rotary cylinder 85 is fixedly connected to the middle of the upper end of the first bevel gear 84, the upper end of the rotary cylinder 85 is rotatably connected with the middle of the mounting frame 81, a movable cylinder 86 is movably connected to the middle of the rotary cylinder 85 through threads, the bottom end of the movable cylinder 86 is fixedly connected with the upper end of the sealing block 83, guide posts 87 are movably connected to two sides of the upper end of the movable cylinder 86 in an inserting manner, and the bottom ends of the two guide posts 87 are fixedly connected with the upper end of the mounting frame 81, the middle part of the upper end of the box cover 3 is fixedly connected with a cylindrical frame 9, the periphery of the cylindrical frame 9 is rotatably connected with a rotating shaft 91, one end of the rotating shaft 91 is connected with a second bevel gear 92 in meshing transmission with the first bevel gear 84 in a matching mode, the other end of the rotating shaft 91 is connected with a third bevel gear 93 located inside the cylindrical frame 9 in a matching mode, the third bevel gear 93 on the rotating shaft 91 is in meshing transmission between adjacent parts, and the atmospheric pressure gauge 100 is inserted from the upper portion of the movable cylinder 86 and sequentially extends to the bottom end of the installation cylinder 82 through the movable cylinder 86 and the sealing block 83 of the installation cylinder 82.
Four the equal fixedly connected with automatically controlled release valve 22 of lateral wall of test chamber 21, automatically controlled release valve 22 and the inside intercommunication of test chamber 21.
And a sealing gasket 31 is arranged between the test box 2 and the box cover 3.
The base 1 all around integrated into one piece have place the pole 12, four standard atmosphere manometer 7 activity is pegged graft respectively in four upper ends of placing pole 12.
The diameter of the bottom opening of the mounting cylinder 82 is smaller than the diameter of the bottom of the atmospheric pressure gauge 100.
A handwheel 110 is fixedly connected to the outer side of one of the rotating shafts 91.
Four the bottom of standard atmosphere pressure gauge 7 is equal fixedly connected with second connecting pipe 71, four standard atmosphere pressure gauge 7 communicates with the inside of four test chambers 21 respectively through second connecting pipe 71.
As shown in fig. 1 to 8, the embodiment specifically is as follows: firstly, the atmospheric pressure gauge 100 is installed, during operation, the atmospheric pressure gauge 100 is firstly inserted from the upper part of the movable cylinder 86, and enters the interior of the installation cylinder 82 after passing through the sealing block 83, the bottom end of the atmospheric pressure gauge 100 is blocked by the bottom end of the installation cylinder 82, then the hand wheel 110 is rotated, the hand wheel 110 drives the rotating shaft 91 connected with the hand wheel 110 to rotate, the rotating shaft 91 drives the other three rotating shafts 91 to rotate through the third bevel gear 93, meanwhile, the rotating shaft 91 drives the second bevel gear 92 to rotate, the second bevel gear 92 drives the first bevel gear 84 and the rotating cylinder 85 to rotate, because the rotating cylinder 85 is in threaded connection with the movable cylinder 86, when the first bevel gear 84 rotates, the movable cylinder 86 can move downwards through the guidance of the guide post 87, the movable cylinder 86 drives the sealing block 83 to move downwards, the sealing block 83 extrudes the inner side wall of the installation cylinder 82 and the outer side wall of the atmospheric pressure gauge 100, the sealing and clamping effects can be realized, namely, the fixation is finished, then, the calibration can be carried out, the pressure pump 4 is started to supply air to the four testing cavities 21, whether the air pressure values of the standard atmospheric pressure gauge 7 and the atmospheric pressure gauge 100 are consistent or not is read, whether the atmospheric pressure gauge 100 is accurate or not is verified, in the calibration process, the atmospheric pressure gauge 100 needs to be calibrated under a plurality of different air pressure values to ensure the accuracy, after the calibration is finished, the electric control air release valve 22 can be opened to release air, when the atmospheric pressure gauge 100 is disassembled, the hand wheel 110 is rotated reversely, at the moment, the movable cylinder 86 drives the sealing block 83 to ascend, so that the clamping force between the sealing block 83 and the atmospheric pressure gauge 100 is reduced, and then, the atmospheric pressure gauge 100 can be taken out;
namely, through the arrangement of the mounting mechanism 8, the cylindrical frame 9, the rotating shaft 91, the second bevel gear 92 and the third bevel gear 93, four atmosphere pressure gauges 100 can be simultaneously mounted, so that the four atmosphere pressure gauges 100 can be simultaneously measured, the calibration efficiency is improved, the mounting and the dismounting are convenient, only the atmosphere pressure gauge 100 and the forward rotation or reverse rotation hand wheel 110 need to be inserted or pulled out, the operation is convenient, and the practicability is good; through the setting of placing pole 12, can conveniently place standard atmosphere manometer 7, through the setting of sealed pad 31, can guarantee the leakproofness between test box 2 and the lid 3, through the setting of four test chamber 21, can check up four atmosphere manometer 100.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a boats and ships atmospheric pressure table calibration equipment, includes base (1), its characterized in that: the testing device is characterized in that connecting rods (11) are fixedly connected to the periphery of the upper end of the base (1), a testing box (2) is arranged above the base (1), the base (1) is fixedly connected with the bottom end of the testing box (2) through the connecting rods (11), four testing cavities (21) are arranged inside the testing box (2), the upper end of the testing box (2) is detachably connected with a box cover (3) through threads, a pressure pump (4) is arranged in the middle of the base (1), a connector (5) is arranged at the upper end of the base (1), openings are formed in the periphery and the middle of the bottom end of the connector (5), the air outlet of the pressure pump (4) is communicated with the opening in the middle of the connector (5), first connecting pipes (6) are communicated with the openings in the periphery of the connector (5), and one-way valves (61) are fixedly mounted in the middle of the four first connecting pipes (6), one ends, far away from the connecting head (5), of the four first connecting pipes (6) are respectively communicated with the interiors of the four testing cavities (21), standard atmosphere pressure meters (7) are arranged on the periphery of the base (1), the four standard atmosphere pressure meters (7) are respectively communicated with the interiors of the four testing cavities (21), an installing mechanism (8) and an atmosphere pressure meter (100) are arranged on the periphery above the box cover (3), and the atmosphere pressure meter (100) is fixed through the installing mechanism (8);
the mounting mechanism (8) comprises a mounting frame (81), the mounting frame (81) is fixedly mounted at the upper end of the box cover (3), a mounting cylinder (82) fixedly connected with the box cover (3) in an inserting mode is arranged below the mounting frame (81), the bottom end of the mounting cylinder (82) extends to the inside of the test cavity (21), the upper end of the mounting cylinder (82) is funnel-shaped, a sealing block (83) is arranged inside the upper end of the mounting cylinder (82), a first bevel gear (84) is arranged above the sealing block (83), a rotary cylinder (85) is fixedly connected to the middle of the upper end of the first bevel gear (84), the upper end of the rotary cylinder (85) is rotatably connected with the middle of the mounting frame (81), a movable cylinder (86) is movably connected to the middle of the rotary cylinder (85) through threads, and the bottom end of the movable cylinder (86) is fixedly connected with the upper end of the sealing block (83), the two sides of the upper end of the movable cylinder (86) are movably inserted with guide posts (87), the bottom ends of the two guide posts (87) are fixedly connected with the upper end of the mounting rack (81), the middle part of the upper end of the box cover (3) is fixedly connected with a cylindrical frame (9), the periphery of the cylindrical frame (9) is rotatably connected with a rotating shaft (91), one end of the rotating shaft (91) is connected with a second bevel gear (92) which is in meshing transmission with the first bevel gear (84), the other end of the rotating shaft (91) is connected with a third bevel gear (93) which is positioned in the cylindrical frame (9) in a matching way, the third bevel gears (93) on the four rotating shafts (91) are adjacent and are in meshing transmission, the atmosphere pressure gauge (100) is inserted from the upper part of the movable cylinder (86) and sequentially extends to the bottom end of the mounting cylinder (82) through the movable cylinder (86) and the mounting cylinder (82) of the sealing block (83).
2. The ship atmosphere pressure gauge checking device according to claim 1, wherein: four the equal fixedly connected with automatically controlled snuffle valve (22) of lateral wall in test chamber (21), automatically controlled snuffle valve (22) and test chamber (21) inside intercommunication.
3. The ship atmosphere pressure gauge checking device according to claim 1, wherein: a sealing gasket (31) is arranged between the test box (2) and the box cover (3).
4. The ship atmosphere pressure gauge checking device according to claim 1, wherein: the base (1) is all around integrated into one piece have place pole (12), four standard atmosphere manometer (7) are the activity respectively and are pegged graft in four upper ends of placing pole (12).
5. The ship atmosphere pressure gauge checking device according to claim 1, wherein: the diameter of the opening at the bottom end of the mounting cylinder (82) is smaller than that of the bottom end of the atmospheric pressure gauge (100).
6. The ship atmosphere pressure gauge checking device according to claim 1, wherein: and a hand wheel (110) is fixedly connected to the outer side of one rotating shaft (91).
7. The ship atmosphere pressure gauge checking device according to claim 1, wherein: the bottom ends of the four standard atmosphere pressure gauges (7) are fixedly connected with second connecting pipes (71), and the four standard atmosphere pressure gauges (7) are respectively communicated with the interiors of the four testing cavities (21) through the second connecting pipes (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169129.7A CN112197903B (en) | 2020-10-28 | 2020-10-28 | Boats and ships atmospheric pressure table calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169129.7A CN112197903B (en) | 2020-10-28 | 2020-10-28 | Boats and ships atmospheric pressure table calibration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112197903A CN112197903A (en) | 2021-01-08 |
| CN112197903B true CN112197903B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011169129.7A Active CN112197903B (en) | 2020-10-28 | 2020-10-28 | Boats and ships atmospheric pressure table calibration equipment |
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| Country | Link |
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| CN (1) | CN112197903B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840948A (en) * | 2012-09-28 | 2012-12-26 | 长庆石油勘探局技术监测中心 | Batch calibration equipment and batch calibration method for intelligent pointer-type pressure gages |
| CN203587284U (en) * | 2013-11-30 | 2014-05-07 | 长庆石油勘探局技术监测中心 | Pointer type pressure gage batch calibration device |
| CN204514535U (en) * | 2015-04-16 | 2015-07-29 | 南通中远船务自动化有限公司 | Boats and ships barometer, atmospheric pressure registering instrument calibration equipment |
| CN108956010A (en) * | 2018-10-27 | 2018-12-07 | 安徽省临泉县康悦电子科技有限公司 | A kind of calibration device for pressure gauge |
| CN210005163U (en) * | 2019-03-29 | 2020-01-31 | 王东岳 | Detection device for pressure gauges |
| CN210346988U (en) * | 2019-07-03 | 2020-04-17 | 天津翔越电仪技术有限公司 | Quick calibration equipment of polylith manometer |
| CN211121774U (en) * | 2020-02-12 | 2020-07-28 | 张帅 | Auxiliary checking device for static pressure type pressure instrument |
-
2020
- 2020-10-28 CN CN202011169129.7A patent/CN112197903B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840948A (en) * | 2012-09-28 | 2012-12-26 | 长庆石油勘探局技术监测中心 | Batch calibration equipment and batch calibration method for intelligent pointer-type pressure gages |
| CN203587284U (en) * | 2013-11-30 | 2014-05-07 | 长庆石油勘探局技术监测中心 | Pointer type pressure gage batch calibration device |
| CN204514535U (en) * | 2015-04-16 | 2015-07-29 | 南通中远船务自动化有限公司 | Boats and ships barometer, atmospheric pressure registering instrument calibration equipment |
| CN108956010A (en) * | 2018-10-27 | 2018-12-07 | 安徽省临泉县康悦电子科技有限公司 | A kind of calibration device for pressure gauge |
| CN210005163U (en) * | 2019-03-29 | 2020-01-31 | 王东岳 | Detection device for pressure gauges |
| CN210346988U (en) * | 2019-07-03 | 2020-04-17 | 天津翔越电仪技术有限公司 | Quick calibration equipment of polylith manometer |
| CN211121774U (en) * | 2020-02-12 | 2020-07-28 | 张帅 | Auxiliary checking device for static pressure type pressure instrument |
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|---|---|
| CN112197903A (en) | 2021-01-08 |
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