CN216978074U

CN216978074U - Semi-automatic calibrating installation of fuel tanker aircraft

Info

Publication number: CN216978074U
Application number: CN202220741308.1U
Authority: CN
Inventors: 黄智渊; 张彦松; 王伟; 欧阳格; 万江
Original assignee: Jiangxi Yichun Measurement Institute
Current assignee: Jiangxi Yichun Measurement Institute
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-15
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a semi-automatic calibrating device for a fuel dispenser, which comprises a metal measuring device, wherein the main body of the metal measuring device consists of a cylinder body, the top of the cylinder body is provided with an upper cone, the bottom of the cylinder body is provided with a lower cone, and the bottom of the cylinder body is fixed through a mounting bracket; the bottom end of the lower cone body is provided with a liquid discharge port which is used for connecting an oil discharge pipe, and a liquid discharge valve is arranged at the liquid discharge port; the opening of the top of the upper cone is connected with an overflow cover through a metering neck. The fixed sleeve is arranged at the top of the liquid guide pipe in the metal measuring device, and the oiling machine can be oiled without holding the oiling gun for a long time in the verification process under the matching of the liquid guide pipe and the central hole of the upper cover, so that the problems that a large-caliber gun and a small-caliber gun need to replace leather rings with different specifications before verification and a part of sensitive gasoline guns frequently jump in the verification process when the diesel oiling gun is verified by the metal measuring device in the prior art are solved, the temperature of the oil liquid at the opening of the gasoline gun and the temperature of the oil liquid in the metal measuring device are automatically measured, and the working strength is greatly reduced.

Description

Semi-automatic calibrating installation of fuel tanker aircraft

Technical Field

The utility model relates to the technical field of metrological verification, in particular to a semi-automatic verification device for a fuel dispenser.

Background

The commonly used fuel tanker calibrating device at present has the following defects: the liquid guide pipe of the standard metal measuring device adopts a bent pipe design, so that a checker needs to hold the oil gun for injecting oil for a long time in the verification process, and the working strength is high; the oil temperature at the oil gun mouth and the oil temperature in the metal measuring device need to be measured manually, so that the method is complicated and has high randomness caused by manual temperature measurement; when the diesel oil gun is calibrated, leather rings with different specifications need to be replaced before the large-caliber gun and the small-caliber gun are calibrated, and the partially sensitive gasoline gun is easy to frequently jump in the calibration process; the standard metal measuring device is completely open, and the volatilization of oil products is large in the verification process, so that a large measurement error is brought. The existing full-automatic calibrating device is expensive, the tracing of partial parameter values is difficult, and the temperature values of the oil liquid at the oil gun mouth and the oil liquid in the metal measuring device are different from each other by each manufacturer.

Disclosure of Invention

In order to solve the problems that the process is complicated, the working strength is high and large errors are possible when the commonly used calibrating device calibrates the fuel oiling machine at present, the utility model provides the semi-automatic calibrating device for the fuel oiling machine.

In order to achieve the purpose, the utility model provides the following technical scheme:

a semi-automatic calibrating device for a fuel dispenser comprises a metal measuring device, wherein a main body of the metal measuring device is composed of a cylinder body, the top of the cylinder body is provided with an upper cone, the bottom of the cylinder body is provided with a lower cone, and the bottom of the cylinder body is fixed through a mounting bracket; the bottom end of the lower cone is provided with a liquid discharge port for connecting an oil discharge pipe, and a liquid discharge valve is arranged at the liquid discharge port; the bottom of the inclined plane of the upper vertebral body is provided with two mutually vertical tubular levels along the horizontal plane, and the bottom of the bracket is provided with leveling support legs for leveling the metal measuring device; the opening of the top of the upper cone is connected with an overflow cover through a metering neck, the top of the overflow cover is open, and the top end of the overflow cover is bent inwards and extends to form a ring shape; the inside of the overflow cover is connected with a liquid guide pipe through a plurality of connecting rods, and the outer diameter of the liquid guide pipe is smaller than the inner diameter of the metering neck; the liquid guide pipe penetrates through the metering neck and extends into the metal measuring device, and the top of the liquid guide pipe is provided with a fixed sleeve with an inner diameter larger than that of the liquid guide pipe; the top ring part of the overflow cover is in threaded connection with an upper cover through a bolt, and a central hole is formed in the middle of the upper cover; a liquid level pipe made of transparent glass is communicated between the overflow cover and the upper cone, and a vernier caliper for measuring the liquid level is arranged on one side of the liquid level pipe; a transparent reading ring surrounding the liquid level pipe is arranged on a vernier of the vernier caliper, and a central reading line is horizontally arranged on the transparent reading ring and used for tracking a concave surface corresponding to the liquid level in the liquid level pipe; one side of the upper cone is connected with an oil temperature measuring instrument in the metal measuring device, the other side of the upper cone is connected with an oil temperature measuring instrument at the oil gun port, a temperature sensor of the oil temperature measuring instrument in the metal measuring device is inserted into the metal measuring device, and a temperature sensor of the oil temperature measuring instrument at the oil gun port is inserted into the upper part of the liquid guide pipe.

Furthermore, the bottom of the upper cover is rotatably connected with a baffle for shielding a center hole of the upper cover, and a butterfly spring is arranged at a rotating shaft of the baffle, so that the baffle can be automatically reset.

Preferably, a sealing ring is arranged between the upper cover and the overflow cover.

Furthermore, the bottom of the liquid guide pipe extends into the lower cone, the bottom end of the liquid guide pipe is in a bevel shape, and the end part of the liquid guide pipe is bent inwards to form a hook.

Preferably, a temperature sensor of the oil temperature measuring instrument in the metal measuring device is vertical to the inclined plane of the upper cone, and the end part of the temperature sensor is close to the central position of the metal measuring device; the temperature sensor of the oil temperature measuring instrument at the oil gun opening is inserted into one side of the liquid guide pipe in an inclined manner, and the end part of the temperature sensor is close to the inner wall of the other side of the liquid guide pipe.

Preferably, the oil temperature measuring instrument in the metal measuring device and the oil temperature measuring instrument at the oil gun port are both explosion-proof digital thermometers, and the temperature sensors connected with the oil temperature measuring instruments are explosion-proof temperature sensors.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is suitable for all diesel oil and gasoline refueling guns by heightening the overflow cover and improving the vertical insertion mode of the refueling gun, and can realize that the diesel oil and the gasoline can be filled at one time in the verification process of the fuel refueling machine without gun jumping in the midway; the top of the liquid guide pipe in the metal measuring device is provided with the fixed sleeve, and under the matching of the liquid guide pipe and the central hole of the upper cover, the oil filling of the fuel oiling machine can be realized without a checker to hold the oil gun for a long time in the verification process, so that the problems that when the currently used fuel oiling machine verification device is used for verifying the diesel oil gun, a large-caliber gun and a small-caliber gun need to be replaced with leather rings of different specifications before verification, and a part of sensitive gasoline guns frequently jump in the verification process are solved; by improving the temperature measurement mode, the oil temperature at the oil gun port and the oil temperature in the metal gauge can be automatically measured, and the problem that the metering and calibrating result of the fuel dispenser has large deviation due to difficult oil temperature measurement and difficult accuracy guarantee in the calibrating process is solved; the overflow cover adopts a closed mode, and oil volatilization is reduced to the maximum extent.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a catheter according to the present invention;

FIG. 5 is a schematic view of the present invention in operation with a large caliber diesel fueling gun for calibration;

FIG. 6 is a schematic view of the present invention in operation with a small bore diesel fuel gun for calibration;

FIG. 7 is a schematic diagram of the operation of the present invention in connection with a gasoline fueling gun for certification.

In the figure: 1. the device comprises a metal measuring device, 101, a lower cone, 102, an upper cone, 2, a mounting bracket, 3, a liquid outlet, 4, a liquid discharge valve, 5, a measuring neck, 6, an overflow cover, 7, an upper cover, 701, a central hole, 8, a liquid level pipe, 9, a vernier caliper, 901, a transparent reading ring, 10, an oil temperature measuring instrument in the metal measuring device, 11, an oil temperature measuring instrument at an oil gun port, 12, a liquid guide pipe, 1201, a fixed sleeve, 1202, a hook, 13, a connecting rod, 14, a baffle, 15, a butterfly spring, 16, a large-caliber diesel oil filling gun, 17, a small-caliber diesel oil filling gun, 18, a gasoline filling gun, 19, a tubular level, 20 and a leveling support leg.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

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.

As shown in fig. 1 to 7, the embodiment of the present invention includes a metal measuring device 1, wherein the main body of the metal measuring device 1 is composed of a cylinder body provided with an upper cone 102 at the top and a lower cone 101 at the bottom, and the bottom is fixed by a mounting bracket 2; the bottom end of the lower cone 101 is provided with a liquid outlet 3 for connecting an oil unloading pipe, and a liquid discharging valve 4 is arranged at the liquid outlet 3; the bottom of the inclined plane of the upper cone 102 is provided with two mutually vertical tubular levels 19 along the horizontal plane, and the bottom of the bracket 2 is provided with leveling support legs 20 for leveling the metal measuring device 1; the opening of the top of the upper cone 102 is connected with an overflow cover 6 through a metering neck 5, the top of the overflow cover 6 is open, and the top end of the overflow cover is bent inwards and extends to form a ring shape; the inside of the overflow cover 6 is connected with a liquid guide tube 12 through a plurality of connecting rods 13, the outer diameter of the liquid guide tube 12 is smaller than the inner diameter of the metering neck 5, the liquid guide tube 12 penetrates through the metering neck 5 and extends to the inside of the metal measuring vessel 1, the top of the liquid guide tube 12 is a fixed sleeve 1201 with the inner diameter larger than that of the liquid guide tube 12, the bottom of the liquid guide tube 12 extends into the lower cone 101, the bottom end of the liquid guide tube is in a bevel shape, and the end part of the liquid guide tube is bent inwards to form a hook 1202; the top ring part of the overflow cover 6 is connected with an upper cover 7 through a bolt in a threaded manner, and the middle of the upper cover 7 is provided with a central hole 701; the bottom of the upper cover 7 is rotatably connected with a baffle 14 for shielding the central hole 701, and a butterfly spring 15 is arranged at the rotating shaft of the baffle 14, so that the baffle 14 can be automatically reset; a liquid level pipe 8 made of transparent glass is communicated between the overflow cover 6 and the upper cone 102, and a vernier caliper 9 for measuring liquid level is arranged on one side of the liquid level pipe 8; a vernier of the vernier caliper 9 is provided with a transparent reading ring 901 surrounding the liquid level pipe 8, and a central reading line is horizontally arranged on the transparent reading ring 901 and used for tracking a concave surface corresponding to the liquid level in the liquid level pipe 8; one side of the upper cone 102 is connected with an oil temperature measuring instrument 10 in the metal measuring device, the other side is connected with an oil temperature measuring instrument 11 at the oil muzzle, a temperature sensor of the oil temperature measuring instrument 10 in the metal measuring device is inserted into the metal measuring device 1, and a temperature sensor of the oil temperature measuring instrument 11 at the oil muzzle is inserted into the upper part of the catheter 12; the temperature sensor of the oil temperature measuring instrument 10 in the metal measuring device is vertical to the inclined plane of the upper cone 102, and the end part of the temperature sensor is close to the central position of the metal measuring device 1; the temperature sensor of the oil temperature measuring instrument 11 at the oil gun opening is inserted into one side of the liquid guide tube 12 in an inclined manner, and the end part of the temperature sensor is close to the inner wall of the other side of the liquid guide tube 12.

When the fuel dispenser is checked, firstly, the metal measuring device 1 is well grounded, trial operation is carried out according to the method of the checking regulation of JJG 443-. In the oil injection process, after the indicating value of the oil temperature measuring instrument 11 at the oil gun port is stable, the oil temperature at the oil gun outlet is read and recorded, when the metal measuring device 1 is filled with oil, the oil gun is closed, and the indicating value of the oiling machine is read and recorded. After the oil foam and the air bubbles in the metal measuring device 1 disappear, the indication value of the metal measuring device 1 is read and recorded, and the oil temperature in the metal measuring device shown by the oil temperature measuring instrument 10 in the metal measuring device is read and recorded.

As shown in fig. 5, if the large-caliber diesel fuel gun 16 is used, the top end of the muzzle is clamped into the fixed sleeve 1201 on the top of the liquid guide tube 12, so that the muzzle of the large-caliber diesel fuel gun 16 is clamped by the fixed sleeve 1201 and the central hole 701 of the upper cover in a matching manner, the outer wall of the muzzle of the large-caliber diesel fuel gun 16 is attached to the inner wall of the fixed sleeve 1301, the top end of the muzzle of the large-caliber diesel fuel gun 16 is attached to the bottom of the fixed sleeve 1201, and the inner diameter of the muzzle of the large-caliber diesel fuel gun 16 is close to the inner diameter of the liquid guide tube 12 at the lower end of the fixed sleeve 1201, so that smooth oil injection can be realized; as shown in fig. 6, if the small-caliber diesel fuel nozzle 17 is used, the top end of the nozzle is inserted into the tube section with a thinner inner diameter at the lower end of the fixing sleeve 1201 of the catheter 12, and the outer wall of the nozzle of the small-caliber diesel fuel nozzle 17 is attached to the inner wall of the catheter 12, so that the nozzle of the small-caliber diesel fuel nozzle 17 is clamped and connected by the catheter 12 and the central hole 701 of the upper cover in a matching manner; as shown in fig. 7, if the external diameter of the gun port of the gasoline refueling gun 18 is slightly smaller than the internal diameter of the liquid guide tube 12, the top end of the gun port is also inserted into a tube section with a thinner internal diameter at the lower end of the fixing sleeve 1201 of the liquid guide tube 12, but the outer wall of the gun port of the gasoline refueling gun 18 is not attached to the inner wall of the liquid guide tube 12, and the gasoline refueling gun 18 is clamped by the liquid guide tube 12 and the upper cover central hole 701 in a matching way in an inclined manner, so that no matter whether the large-caliber diesel refueling gun 16, the small-caliber diesel refueling gun 17 or the gasoline refueling gun 18 is used, a checker is not required to always carry out oil filling by holding the gasoline refueling gun during the oil filling process, and the working strength of the checker is reduced. In the oil injection process, the gun mouths of the large-caliber diesel oil filling gun 16 and the small-caliber diesel oil filling gun 17 are attached to the wall of the fixed sleeve 1201 and the liquid guide pipe 12 respectively, and meanwhile, the hook 1202 is also arranged at the bottom of the liquid guide pipe 12, so that the generation of diesel oil foam can be reduced, and the defoaming time of oil in the metal measuring device 1 after oil injection is finished is shortened. Due to the fact that the overflow cover 6 is added, in the later stage of the oil injection process, when the diameter of the oil injected to the joint of the top of the upper vertebral body 102 and the metering neck 5 is suddenly reduced, the phenomenon of gun jumping cannot occur, and the oil can be injected at one time. The overflow cover 6 adopts a closed mode, so that the volatilization of oil products can be reduced, and air in the metal measuring vessel 1 can be discharged through the central hole 701 of the upper cover in the oil injection process, so that the phenomenon of air resistance cannot be caused.

Because the temperature sensor of the oil temperature measuring instrument 10 in the metal measuring device is fixedly inserted into the metal measuring device 1, and the oil temperature measuring instrument 11 at the oil muzzle is also fixedly inserted into the upper part of the liquid guide tube 12, an inspector can observe the oil temperature in the metal measuring device 1 and the oil muzzle through the oil temperature measuring instrument 10 in the metal measuring device and the oil temperature measuring instrument 11 at the oil muzzle, the working intensity is greatly reduced, and the uncertainty caused by manual temperature measurement is reduced. The calibration software system for the fuel dispenser is specially developed by inputting relevant measurement data, and can realize the on-site automatic processing of calibration data, the automatic generation of calibration original records and calibration certificates, thereby realizing the semi-automation of the calibration process of the fuel dispenser and improving the measurement accuracy and the calibration working efficiency.

After the filling is finished, the inspector moves the oil filling gun out of the central hole 701 of the upper cover, the baffle plate 14 at the central hole 701 resets under the action of the belleville spring 15, the central hole 701 is shielded, and the influence of foreign matters entering the metal measuring device 1 on subsequent verification is avoided; when the verification device moves to an oil discharge port of a storage tank of a gas station, oil in the metal measuring device 1 can be completely discharged according to the specified liquid discharge time by opening the liquid discharge valve 4 of the metal measuring device 1, the valve is closed, one-time verification is completed, and the metal measuring device 1 returns to a preparation state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A semi-automatic calibrating device for a fuel dispenser comprises a metal measuring device, wherein a main body of the metal measuring device is composed of a cylinder body, the top of the cylinder body is provided with an upper cone, the bottom of the cylinder body is provided with a lower cone, and the bottom of the cylinder body is fixed through a mounting bracket; the bottom end of the lower cone is provided with a liquid discharge port for connecting an oil discharge pipe, and a liquid discharge valve is arranged at the liquid discharge port; the bottom of the inclined plane of the upper cone is provided with two mutually vertical tubular levels along the horizontal plane, and the bottom of the bracket is provided with leveling support legs for leveling the metal measuring device; the method is characterized in that: the top opening of the upper cone is connected with an overflow cover through a metering neck, the top of the overflow cover is opened, and the top end of the overflow cover is bent inwards and extends to form a ring shape; the inside of the overflow cover is connected with a liquid guide pipe through a plurality of connecting rods, and the outer diameter of the liquid guide pipe is smaller than the inner diameter of the metering neck; the liquid guide pipe penetrates through the metering neck and extends into the metal measuring device, and the top of the liquid guide pipe is provided with a fixed sleeve with an inner diameter larger than that of the liquid guide pipe; the top ring part of the overflow cover is in threaded connection with an upper cover through a bolt, and a central hole is formed in the middle of the upper cover; a liquid level pipe made of transparent glass is communicated between the overflow cover and the upper cone, and a vernier caliper for measuring the liquid level is arranged on one side of the liquid level pipe; a transparent reading ring surrounding the liquid level pipe is arranged on a vernier of the vernier caliper, and a central reading line is horizontally arranged on the transparent reading ring and used for tracking a concave surface corresponding to the liquid level in the liquid level pipe; one side of the upper cone is connected with an oil temperature measuring instrument in the metal measuring device, the other side of the upper cone is connected with an oil temperature measuring instrument at the oil gun port, a temperature sensor of the oil temperature measuring instrument in the metal measuring device is inserted into the metal measuring device, and a temperature sensor of the oil temperature measuring instrument at the oil gun port is inserted into the upper part of the liquid guide pipe.

2. The semi-automatic calibrating device for the fuel dispenser of claim 1, wherein: the bottom of the upper cover is rotatably connected with a baffle for shielding a center hole of the upper cover, and a butterfly spring is arranged at a rotating shaft of the baffle and can enable the baffle to automatically reset.

3. The semi-automatic calibrating device for the fuel dispenser according to claim 1 or 2, wherein: and a sealing ring is arranged between the upper cover and the overflow cover.

4. The semi-automatic calibrating device for the fuel dispenser of claim 3, wherein: the bottom of the liquid guide pipe extends into the lower cone, the bottom end of the liquid guide pipe is in a bevel shape, and the end part of the liquid guide pipe is bent inwards to form a hook.

5. The semi-automatic calibrating device for the fuel dispenser of claim 4, wherein: a temperature sensor of the oil temperature measuring instrument in the metal measuring device is vertical to the inclined plane of the upper cone, and the end part of the temperature sensor is close to the central position of the metal measuring device; the temperature sensor of the oil temperature measuring instrument at the oil gun opening is inserted into one side of the liquid guide pipe in an inclined manner, and the end part of the temperature sensor is close to the inner wall of the other side of the liquid guide pipe.

6. The semi-automatic calibrating device for the fuel dispenser of claim 5, wherein: the oil temperature measuring instrument in the metal measuring device and the oil temperature measuring instrument at the oil gun port are both explosion-proof digital thermometers, and the temperature sensors connected with the thermometers are explosion-proof temperature sensors.