CN112362234A - Pressure gauge calibration device capable of simultaneously detecting multiple gauge bodies - Google Patents
Pressure gauge calibration device capable of simultaneously detecting multiple gauge bodies Download PDFInfo
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- CN112362234A CN112362234A CN202011370110.9A CN202011370110A CN112362234A CN 112362234 A CN112362234 A CN 112362234A CN 202011370110 A CN202011370110 A CN 202011370110A CN 112362234 A CN112362234 A CN 112362234A
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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 pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies, which comprises a calibration platform, an oil supply mechanism, a support frame, a touch display screen, a PLC control system and a high-precision standard pressure gauge body, wherein the oil supply mechanism is fixed above the left end of the calibration platform, the support frame is integrally fixed above the rear end of the calibration platform, the touch display screen and the PLC control system are fixed on the front side surface of the left end of the support frame, the PLC control system is connected below the touch display screen, the right end of the oil supply mechanism is connected with an oil delivery pipe, the upper part of the oil delivery pipe is connected with a first connecting pipe and a second connecting pipe through a sealing bearing, and the right side of the first connecting pipe is provided with the second connecting pipe. This can carry out manometer calibration equipment that detects to polylith table body simultaneously changes the mode that original check-up platform needs manual adjustment oil pressure, can set for different check-up parameters as required, and the check-up precision is high, can reach 0.05%.
Description
Technical Field
The invention relates to the technical field of pressure gauge calibration devices, in particular to a pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies.
Background
The manometer is one kind and carries out the instrument that detects for the liquid of each field, gaseous pressure, detects liquid or gaseous pressure through the manometer to be convenient for it is whether safe at the in-process of carrying liquid or gas to be fine to learn, and the manometer need use verifying attachment to check up the pointer of manometer when production, though manometer verifying attachment kind on the existing market is many, nevertheless still has some weak points at the in-process that uses, for example:
1. most of the existing pressure gauge calibration devices need manual operation when in use, firstly, the calibration precision is poor because the standard gauge and the calibrated gauge need to be compared manually, and secondly, only one gauge can be calibrated each time, the working efficiency is low, and the maintenance progress is seriously slowed when large-scale maintenance projects are faced;
2. when the existing pressure gauge calibration device is used, when a plurality of calibrated gauges need to be installed and disassembled, workers need to respectively install and disassemble the pressure gauge calibration device one by one, so that the workload of the workers is increased, and time and labor are wasted;
therefore, a pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies is provided so as to solve the problems mentioned above.
Disclosure of Invention
The invention aims to provide a pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies, and aims to solve the problems that most of the existing pressure gauge calibration devices in the market proposed by the background technology need manual operation, firstly, a standard gauge needs to be compared with a calibrated gauge manually, the calibration precision is poor, secondly, only one gauge can be calibrated each time, the working efficiency is low, the maintenance progress is seriously slowed down in the case of large-scale maintenance projects, and when the existing pressure gauge calibration device needs to be installed and disassembled for a plurality of calibrated gauges, the installation and the disassembly of workers are respectively needed, so that the workload of the workers is increased, and time and labor are wasted.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies comprises a calibration platform, an oil supply mechanism, a supporting frame, a touch display screen, a PLC control system and a high-precision standard pressure gauge body, wherein the oil supply mechanism is fixed above the left end of the calibration platform, the supporting frame is integrally fixed above the rear end of the calibration platform, the touch display screen and the PLC control system are fixed on the front side surface of the left end of the supporting frame, the PLC control system is connected below the touch display screen, the right end of the oil supply mechanism is connected with an oil delivery pipe, the upper part of the oil delivery pipe is connected with a first connecting pipe and a second connecting pipe through a sealing bearing, the right side of the first connecting pipe is provided with a second connecting pipe, the upper part of the first connecting pipe is connected with the high-precision standard pressure gauge body, and the upper part of the second connecting pipe is connected with a connecting end through a thread, the top end of the connecting end is fixed with a pressure gauge body to be checked, the pressure gauge body to be checked is placed on the placing plate, a fixed frame is fixed on the outer side of the placing plate, a supporting vertical rod is nested in the left end of the fixed frame, the top end of the vertical supporting rod is connected with a supporting frame through a screw, the upper surface of the left end of the fixing frame is connected with a rotating rod through a bearing, a first threaded rod is arranged inside the upper surface of the fixing frame in a penetrating way, a pressing plate is fixed at the bottom end of the first threaded rod through a screw, the top end of the pressure gauge body to be checked is connected below the pressing plate in a clamping manner, a second threaded rod is connected with the inner part of the right end of the fixed frame through a thread, the top end of the second threaded rod is connected with a supporting frame through a bearing, and the bottom of the second threaded rod is connected with the upper surface bearing of the right end of the checking platform, and the outer side of the lower end of the second threaded rod is connected with the outer side of the second connecting pipe through a chain wheel mechanism.
Preferably, the right view of the supporting frame is arranged in a 7-shaped structure, and the front side surface of the supporting frame is arranged in an open structure.
Preferably, the vertical center line of the second connecting pipe coincides with the vertical center line of the placing plate, and the placing plate and the second connecting pipe are arranged in a one-to-one correspondence manner.
Preferably, the pressing plate is arranged in an arc-shaped structure, and the pressing plate and the fixing frame form a lifting structure through a threaded rod.
Preferably, the bottom front side of placing the board is seted up flutedly, and the front side of recess and upper and lower both sides face are opening column structure setting to it is the setting of arc column structure to place the board.
Preferably, the outside key of the lower end of the rotating rod is connected with a first gear, and the outside key of the first gear is connected with a chain mechanism.
Preferably, the limiting grooves are formed in the inner portions of the left side surface and the right side surface of the first threaded rod, a second gear is in threaded connection with the outer side of the lower portion of the first threaded rod, the outer side of the second gear is in meshed connection with the chain mechanism, and sliding blocks are fixed to the upper side surface and the lower side surface of the second gear through screws.
Preferably, the fixed frame is internally provided with a sliding groove, the sliding groove is clamped and connected with a sliding block, a convex rod is fixed on the fixed frame through an internal screw, and the outer end of the convex rod is clamped and placed in the limit groove.
Preferably, the sliding groove and the sliding block are both arranged in a circular ring shape structure, and the sliding groove and the sliding block are arranged in a one-to-one correspondence manner.
Compared with the prior art, the invention has the beneficial effects that: this can carry out manometer calibration equipment that detects to polylith table body simultaneously is provided with:
(1) the method changes the original mode that the oil pressure of a calibration platform needs to be adjusted manually, the calibration platform utilizes a high-precision servo motor to match with a corresponding encoder to realize automatic and high-precision pressure value adjustment, a plurality of high-precision standard pressure gauge bodies with different measuring ranges can be simultaneously online, a high-performance PLC control system is used for receiving standard gauge signals and driving the servo motor to act, different calibration parameters can be set according to requirements, the calibration precision is high and can reach 0.05 percent, the plurality of high-precision standard pressure gauge bodies are simultaneously online, the proper high-precision standard pressure gauge body is selected according to different measuring ranges of the pressure gauge body to be calibrated, the work of manually replacing the high-precision standard pressure gauge body back and forth is saved, the calibration speed is greatly improved, and the pressure adjustment precision is far superior to manual adjustment through the matching of the high-performance PLC control system, the high-precision standard pressure gauge bodies and, the calibration process is automatic, three-point or five-point calibration can be automatically carried out in the calibration process according to parameter setting, and if the pressure gauge body to be calibrated is in a remote transmission type, the PLC control system can automatically record and output the pressure gauge body to an upper computer;
(2) the second connecting pipes and the chain wheel mechanism are fixed, the second connecting pipes are provided with a plurality of connecting pipes, so that the second connecting pipes and the pressure gauge bodies to be checked can be conveniently installed, the pressure gauge bodies to be checked can be conveniently checked at the same time, the second connecting pipes are driven to rotate simultaneously through the rotation of the chain wheel mechanism, so that the second connecting pipes can drive the connecting ends of the internal threaded connections to lift, and the pressure gauge bodies to be checked can be conveniently and simultaneously installed and detached, and the operation is simple and convenient, and time and labor are saved;
(3) the pressure plate is installed, the top end of the pressure gauge body to be verified can be clamped and fixed conveniently through descending of the arc-shaped pressure plate, the pressure gauge body to be verified can be supported and placed conveniently through the arrangement of the placing plate, and further the pressure gauge body to be verified can be prevented from rotating, so that the second connecting pipe can drive the connecting end and the pressure gauge body to be verified to lift together when rotating;
(4) be fixed with first threaded rod, the rotatory second gear that drives through first gear and chain mechanism rotates, makes a plurality of second gears drive a plurality of first threaded rods and goes up and down simultaneously when rotatory from this, and then a plurality of first threaded rods of being convenient for adjust the high position of a plurality of clamp plates simultaneously, and convenient operation is simple.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic view of a main sectional structure of the rotating rod and the fixed frame according to the present invention;
FIG. 3 is a schematic view of the cross-sectional view of the connection between the male screw and the first threaded rod of the present invention;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic sectional view of the connection end of the second connecting pipe of the present invention;
FIG. 6 is a schematic top view of the sprocket mechanism of the present invention;
fig. 7 is a right sectional structural view of the mounting plate of the present invention.
In the figure: 1. checking a platform; 2. an oil supply mechanism; 3. a support frame; 4. a touch display screen; 5. a PLC control system; 6. a high-precision standard pressure gauge body; 7. a first connecting pipe; 8. an oil delivery pipe; 9. a second connecting pipe; 10. connecting the end heads; 11. a pressure gauge body to be checked; 12. pressing a plate; 13. placing the plate; 131. a groove; 14. rotating the rod; 141. a first gear; 142. a chain mechanism; 15. a first threaded rod; 151. a limiting groove; 152. a second gear; 153. a slider; 16. a second threaded rod; 17. supporting the vertical rod; 18. a fixing frame; 181. a chute; 182. a nose bar; 19. a sprocket mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies comprises a calibration platform 1, an oil supply mechanism 2, a supporting frame 3, a touch display screen 4, a PLC control system 5, a high-precision standard pressure gauge body 6, a first connecting pipe 7, an oil delivery pipe 8, a second connecting pipe 9, a connecting end 10, a pressure gauge body 11 to be calibrated, a pressing plate 12, a placing plate 13, a groove 131, a rotating rod 14, a first gear 141, a chain mechanism 142, a first threaded rod 15, a limiting groove 151, a second gear 152, a sliding block 153, a second threaded rod 16, a supporting vertical rod 17, a fixing frame 18, a sliding groove 181, a convex rod 182 and a chain wheel mechanism 19, wherein the oil supply mechanism 2 is fixed above the left end of the calibration platform 1, the supporting frame 3 is integrally fixed above the rear end of the calibration platform 1, and the touch display screen 4 and the PLC control system 5 are fixed on the front side face of the left end of the supporting frame 3, the lower part of the touch display screen 4 is connected with a PLC control system 5, the right end of the oil supply mechanism 2 is connected with an oil delivery pipe 8, the upper part of the oil delivery pipe 8 is connected with a first connecting pipe 7 and a second connecting pipe 9 through a sealing bearing, the right side of the first connecting pipe 7 is provided with the second connecting pipe 9, the upper part of the first connecting pipe 7 is connected with a high-precision standard pressure gauge body 6, the upper part of the second connecting pipe 9 is internally connected with a connecting end 10 through a thread, the top end of the connecting end 10 is fixed with a pressure gauge body 11 to be checked, the pressure gauge body 11 to be checked is placed on a placing plate 13, the outer side of the placing plate 13 is fixed with a fixing frame 18, a supporting vertical rod 17 is nested in the left end of the fixing frame 18, the top end of the supporting vertical rod 17 is in screw connection with a supporting frame 3, the upper surface of the left end of the fixing frame 18, a pressing plate 12 is fixed at the bottom end of the first threaded rod 15 through a screw, the top end of a pressure gauge body 11 to be checked is connected below the pressing plate 12 in a clamping mode, a second threaded rod 16 is connected inside the right end of the fixing frame 18 in a penetrating mode through threads, the top end of the second threaded rod 16 is connected with the supporting frame 3 in a penetrating mode through a bearing, the bottom end of the second threaded rod 16 is connected with the upper surface of the right end of the checking platform 1 in a bearing mode, and the outer side of the lower end of the second threaded rod 16 is connected with the outer side of the second connecting pipe;
the right side of the supporting frame 3 is arranged in a 7-shaped structure, and the front side surface of the supporting frame 3 is arranged in an open structure, so that the touch display screen 4, the PLC control system 5 and the supporting vertical rods 17 can be conveniently installed and supported through the 7-shaped structure arranged on the right side of the supporting frame 3;
the vertical center line of the second connecting pipe 9 is coincident with the vertical center line of the placing plate 13, the placing plate 13 and the second connecting pipe 9 are arranged in a one-to-one correspondence manner, the vertical center line of the second connecting pipe 9 is coincident with the vertical center line of the placing plate 13, and the placing plate 13 and the second connecting pipe 9 are arranged in a one-to-one correspondence manner, so that the placing plate 13 can be used for placing the pressure gauge body 11 to be checked well;
the pressure plate 12 is arranged in an arc-shaped structure, the pressure plate 12 and the fixed frame 18 form a lifting structure through a threaded rod 15, the pressure plate 12 is arranged in the arc-shaped structure, and the pressure plate 12 and the fixed frame 18 form the lifting structure through the threaded rod 15, so that the pressure plate 12 can be clamped and limited to the pressure gauge body 11 to be checked, and the pressure gauge body 11 can be expected to lift well;
the front side surface of the bottom end of the placing plate 13 is provided with a groove 131, the front side surface and the upper and lower side surfaces of the groove 131 are both provided with an opening-shaped structure, the placing plate 13 is provided with an arc-shaped structure, the front side surface and the upper and lower side surfaces of the groove 131 are both provided with an opening-shaped structure, and the placing plate 13 is provided with an arc-shaped structure, so that the groove 131 can be used for placing the connecting end 10, and the pressure gauge body 11 to be checked can be well placed on the placing plate 13;
the outer side key of the lower end of the rotating rod 14 is connected with a first gear 141, the outer side key of the first gear 141 is connected with a chain mechanism 142, and the chain mechanism 142 can be driven to rotate by the first gear 141;
limiting grooves 151 are formed in the left side surface and the right side surface of the first threaded rod 15, a second gear 152 is connected to the outer side of the lower portion of the first threaded rod 15 in a threaded mode, the outer side of the second gear 152 is connected with the chain mechanism 142 in a meshed mode, sliding blocks 153 are fixed to the upper side surface and the lower side surface of the second gear 152 in a screwed mode, the outer side of the second gear 152 is connected with the chain mechanism 142 in a meshed mode, the chain mechanism 142 drives the second gears 152 to rotate together, and the second gear 152 drives the first threaded rod 15 in threaded connection to lift when rotating;
a sliding groove 181 is formed in the fixing frame 18, a sliding block 153 is connected to the inside of the sliding groove 181 in a clamped manner, a protruding rod 182 is fixed to the inside of the fixing frame 18 through a screw, the outer end of the protruding rod 182 is placed in the limiting groove 151 in a clamped manner, the sliding block 153 is connected to the inside of the sliding groove 181 in a clamped manner, so that the second gear 152 can be mounted, and the outer end of the protruding rod 182 is placed in the limiting groove 151 in a clamped manner, so that the first threaded rod 15 can be limited, and the first threaded rod 15 can be well lifted;
spout 181 and slider 153 all are the setting of annular shape structure, and spout 181 and slider 153 are the one-to-one setting, all are the setting of annular shape structure through spout 181 and slider 153, and spout 181 and slider 153 are the one-to-one setting, guarantee that second gear 152 is stable rotates.
The working principle of the embodiment is as follows: when the pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies is used, firstly, the whole device is moved into a working area as shown in an attached drawing 4, after the pressure gauge calibration device reaches the working area, the whole device can be used, calibration parameters are set from a touch display screen 4 according to the measuring range of a pressure gauge body 11 to be calibrated, then a high-precision standard pressure gauge body 6 is connected with a first connecting pipe 7 on an oil conveying pipe 8, then the pressure gauge body 11 to be calibrated is connected to a calibration platform 1, at the moment, as shown in the attached drawing 1, the attached drawing 5 and the attached drawing 7, a plurality of pressure gauge bodies 11 to be calibrated are sequentially placed in a placing plate 13 in a fixed frame 18, at the moment, the arc-shaped placing plate 13 supports the bottom of the pressure gauge body 11 to be calibrated, and a connecting end 10 at the bottom of the pressure gauge body 11 to be calibrated is placed in a groove 131;
then, the rotating rod 14 is manually rotated, as shown in fig. 1-3, the rotating rod 14 drives the first gear 141 of the outside key connection to rotate when rotating, thereby causing the first gear 141 to rotate the chain mechanism 142 engaged and connected with the outside, thereby, the chain mechanism 142 drives the plurality of second gears 152 engaged and connected inside to rotate, at this time, the sliding blocks 153 on the upper and lower sides of the second gears 152 slide in the sliding slots 181, thereby ensuring that the second gear 152 rotates stably, the second gear 152 drives the first threaded rod 15 with internal threaded connection to descend when rotating, at this time, the protruding rod 182 is engaged with the limiting groove 151, thereby ensuring that the first threaded rod 15 stably drives the pressing plate 12 at the bottom end to descend, the arc-shaped pressing plate 12 is clamped, extruded and fixed to the top end of the pressure gauge body 11 to be verified, and therefore the pressure gauge bodies 11 to be verified can be placed and fixed conveniently;
then, the top end of the second threaded rod 16 is connected with an external positive and negative motor, the positive and negative motor drives the second threaded rod 16 to rotate, the second threaded rod 16 drives the fixing frame 18 with external threaded connection to descend when rotating, and simultaneously the left end of the fixing frame 18 slides up and down on the outer side of the supporting vertical rod 17, so that the fixing frame 18 is stably descended, the fixing frame 18 drives a plurality of pressure gauge bodies 11 to be checked to descend simultaneously when descending, the second threaded rod 16 drives the chain wheel mechanism 19 on the outer side of the bottom end to rotate when rotating, the chain wheel mechanism 19 drives a plurality of second connecting pipes 9 to rotate when rotating, as shown in the attached figures 5-6, the connecting end 10 of the second connecting pipe 9 descends when rotating, and further the connecting end 10 is inserted into the second connecting pipe 9 to be in threaded connection, so that the plurality of pressure gauge bodies 11 to be checked can be simultaneously installed, the method is simple and rapid to operate, the installation by workers is not needed, after the installation is finished, the PLC control system 5 starts to drive the oil supply equipment to supply the oil mechanism 2 according to the set parameters, the high-precision standard pressure gauge body 6 feeds back the current pressure value to the PLC control system 5 in real time while the pressure is increased, the PLC control system 5 stops driving the oil mechanism 2 when the feedback value reaches the parameter value, then fine adjustment is carried out, after the adjustment is finished, temporary stopping is carried out at each check point, then the PLC control system 5 automatically collects the oil, then the next check point is entered, the oil pressure is discharged after all the check points are finished, and the check is finished;
after the check-up finishes, when needing to treat check-up manometer body 11 and dismantle, carry out the reverse rotation with second threaded rod 16, as above-mentioned shown, on the same hand, make second threaded rod 16 drive sprocket mechanism 19 and second connecting pipe 9 and carry out the reverse rotation, fixed frame 18 rises simultaneously, through clamp plate 12 and the cooperation of placing board 13, be convenient for treat check-up manometer body 11 and carry out spacing fixed, so that second connecting pipe 9 treats the stable rising of check-up manometer body 11 when the reverse rotation, and then convenient to detach work, thereby accomplish a series of work.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a can carry out manometer calibration equipment that detects to polylith table body simultaneously, includes calibration platform (1), fuel feeding mechanism (2), braced frame (3), touch display screen (4), PLC control system (5) and high accuracy standard manometer body (6), its characterized in that: an oil supply mechanism (2) is fixed above the left end of the checking platform (1), a supporting frame (3) is integrally fixed above the rear end of the checking platform (1), a touch display screen (4) and a PLC control system (5) are fixed on the front side face of the left end of the supporting frame (3), the PLC control system (5) is connected below the touch display screen (4), an oil delivery pipe (8) is connected to the right end of the oil supply mechanism (2), the upper portion of the oil delivery pipe (8) is connected with a first connecting pipe (7) and a second connecting pipe (9) through a sealing bearing, the second connecting pipe (9) is arranged on the right side of the first connecting pipe (7), a high-precision standard pressure gauge body (6) is connected above the first connecting pipe (7), a connecting end (10) is connected to the upper inner thread of the second connecting pipe (9), and a pressure gauge body (11) to be checked is fixed at the top end of the connecting end (10), and a pressure gauge body (11) to be checked is placed on a placing plate (13), a fixing frame (18) is fixed on the outer side of the placing plate (13), a supporting vertical rod (17) is nested inside the left end of the fixing frame (18), the top end of the supporting vertical rod (17) is in screw connection with a supporting frame (3), the upper surface of the left end of the fixing frame (18) is connected with a rotating rod (14) through a bearing, a first threaded rod (15) is arranged inside the upper surface of the fixing frame (18) in a penetrating mode, a pressing plate (12) is fixed on the bottom end of the first threaded rod (15) through a screw, the bottom of the pressing plate (12) is connected with the top end of the pressure gauge body (11) to be checked in a clamping mode, a second threaded rod (16) is connected inside the right end of the fixing frame (18) in a penetrating mode through a threaded mode, and the top, and the bottom end of the second threaded rod (16) is connected with the right end upper surface bearing of the checking platform (1), and the outer side of the lower end of the second threaded rod (16) is connected with the outer side of the second connecting pipe (9) through a chain wheel mechanism (19).
2. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 1, wherein: the right side of the supporting frame (3) is arranged in a 7-shaped structure, and the front side surface of the supporting frame (3) is arranged in an open structure.
3. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 1, wherein: the vertical center line of the second connecting pipe (9) coincides with the vertical center line of the placing plate (13), and the placing plate (13) and the second connecting pipe (9) are arranged in a one-to-one correspondence manner.
4. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 1, wherein: the pressing plate (12) is arranged in an arc-shaped structure, and the pressing plate (12) and the fixing frame (18) form a lifting structure through a threaded rod (15).
5. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 1, wherein: the front side face of the bottom end of the placing plate (13) is provided with a groove (131), the front side face and the upper side face and the lower side face of the groove (131) are both in an opening-shaped structure, and the placing plate (13) is arranged in an arc-shaped structure.
6. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 1, wherein: the outside key of the lower end of the rotating rod (14) is connected with a first gear (141), and the outside key of the first gear (141) is connected with a chain mechanism (142).
7. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 6, wherein: limiting grooves (151) are formed in the inner portions of the left side surface and the right side surface of the first threaded rod (15), a second gear (152) is connected to the outer side of the lower portion of the first threaded rod (15) in a threaded mode, the outer side of the second gear (152) is connected with the chain mechanism (142) in a meshed mode, and sliding blocks (153) are fixed to the upper side surface and the lower side surface of the second gear (152) through screws.
8. The pressure gauge checking device capable of simultaneously detecting a plurality of gauge bodies according to claim 7, wherein: a sliding groove (181) is formed in the fixing frame (18), a sliding block (153) is connected to the inside of the sliding groove (181) in a clamped mode, a protruding rod (182) is fixed to the inside of the fixing frame (18) through a screw, and the outer end of the protruding rod (182) is placed in a limiting groove (151) in a clamped mode.
9. The pressure gauge calibration device capable of simultaneously detecting a plurality of gauge bodies according to claim 8, wherein: spout (181) and slider (153) all are the setting of ring shape structure, and spout (181) and slider (153) are the one-to-one setting.
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| CN113188714A (en) * | 2021-03-11 | 2021-07-30 | 岳建疆 | Quick automatic detection verifying attachment of bluetooth digital pressure table |
| CN113447197A (en) * | 2021-06-29 | 2021-09-28 | 区家文 | Detection device is used in manometer production |
| CN113551838A (en) * | 2021-07-21 | 2021-10-26 | 安徽威格仪表有限公司 | Pressure gauge inspection method |
| CN113916444A (en) * | 2021-10-09 | 2022-01-11 | 吴明富 | Sensitivity detection device for manufacturing spring tube type pressure gauge |
| CN116016744A (en) * | 2022-11-28 | 2023-04-25 | 深圳市磐锋精密技术有限公司 | Intelligent verification device for touch screen of mobile phone display screen |
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| CN203587281U (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 platform based on hydraulic system |
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| CN210981633U (en) * | 2019-10-18 | 2020-07-10 | 赵君伟 | Pressure gauge calibrating device |
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| CN113447197A (en) * | 2021-06-29 | 2021-09-28 | 区家文 | Detection device is used in manometer production |
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