CN219015426U - Calibrating device of flowmeter - Google Patents

Abstract

The utility model relates to a calibrating device of a flowmeter, which belongs to the technical field of flowmeter calibration and comprises a water tank, wherein a fixing frame is fixedly arranged on the upper surface of the water tank, a movable frame is slidably arranged in the water tank, T-shaped hollow discs are fixedly arranged in the fixing frame and the movable frame, semicircular lifting discs are fixedly arranged on the inner side surfaces of the T-shaped hollow discs, the semicircular lifting discs are used by connecting flanges with lifting meters, a water inlet pipe is arranged at the inlet of the right-side T-shaped hollow disc, a water pump is fixedly arranged at the water inlet end of the water inlet pipe, the water pump is fixedly arranged on the inner side wall of the water tank, the water inlet end of the water pump is connected with a water suction pipe, a water discharge pipe is arranged at the outlet of the left-side T-shaped hollow disc, a fixing plate is fixedly arranged on the upper surface of the water tank, and a telescopic push rod is arranged between the fixing plate and the movable frame.

Description

Calibrating device of flowmeter

Technical Field

The utility model belongs to the technical field of flowmeter calibration, and particularly relates to a flowmeter calibrating device.

Background

The national science and technology noun validation committee of flowmeters defines it as: a meter that indicates the measured flow rate and/or the total amount of fluid over a selected time interval. In short, a meter for measuring the flow of fluid in a pipe or open channel, the meter typically needs to be calibrated prior to use in order to measure the data accurately.

For a flowmeter measuring the pipe flow, the patent number will be searched: CN202221724414.5, patent name: the flowmeter calibrating device comprises a water tank, wherein a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the top of the water tank, the water inlet pipe stretches into the bottom of the water tank, and a calibrating flowmeter and a water pump are arranged on the water inlet pipe; the two ends of the top of the water tank are provided with supporting plates in a vertical mode, a sliding plate is movably arranged on the supporting plate at one end of the water tank along the horizontal direction, the water inlet pipe is connected with a connecting pipe through a telescopic pipe, the water outlet pipe is connected with the connecting pipe, a disc is arranged on the connecting pipe, a rubber ring is arranged at the disc, the disc of the connecting pipe on the water inlet pipe is arranged on the sliding plate, a pressure sensor is arranged between the disc and the sliding plate, and the disc of the connecting pipe on the water outlet pipe is arranged on the supporting plate at the other end of the water tank; a lifting bracket is slidably arranged between the bottoms of the two support plates; a diversion trench is arranged between the two supporting plates at the top of the water tank.

The dosimeter calibration device in the prior art is convenient to use in flowmeter calibration devices with different sizes, but the calibration device adopts the telescopic tube, the inner wall of the telescopic tube is corrugated, water can strike the corrugated inner wall in the flowing process, so that the stability of water flow is affected, the flow velocity of the water is unstable, the accuracy of flowmeter calibration can be affected, and therefore, the calibration device of another flowmeter needs to be provided to solve the problems.

Disclosure of Invention

Aiming at the problems that the water flow rate is unstable and the calibration accuracy of the flowmeter is influenced in the calibrating process of a dosimeter calibrating device in the prior art, the utility model provides the calibrating device of the flowmeter, which can utilize a telescopic push rod to drive a left semicircular lifting disk to move left and right so as to adjust the loading distance. The specific technical scheme is as follows:

the utility model provides a calibrating device of flowmeter, includes the water tank, the last fixed surface of water tank installs the mount, sliding mounting has the movable frame in the water tank, equal fixed mounting has the hollow dish of T type in mount and the movable frame, the equal fixed mounting in inboard surface of the hollow dish of T type has the semicircle to lift the dish, the semicircle is lifted the dish and is used with the flange who lifts the meter, the right side the inlet of the hollow dish of T type installs the inlet tube, the water pump is installed to the inlet end of inlet tube, water pump fixed mounting is on the inside wall of water tank, and the inlet end of water pump is connected with the drinking-water pipe, the left side the exit of the hollow dish of T type installs the drain pipe, the last fixed surface of water tank installs the fixed plate, install flexible push rod between fixed plate and the movable frame.

According to the technical scheme, the L-shaped lifting plates are symmetrically and fixedly arranged on the inner side walls of the water tank, sliding ways are formed between the L-shaped lifting plates and the inner side walls of the water tank, and the bottom ends of the movable frames slide in the corresponding sliding ways.

In the technical scheme, the rollers are symmetrically arranged at the bottom ends of the movable frames in a rotating mode, and the rollers are located in the corresponding slide ways.

In the technical scheme, the semicircular lifting plates are internally and fixedly provided with the sealing backing rings.

In the above technical scheme, the upper surface of mount and movable frame is all fixed mounting has the fixed column, the surface of fixed column is circumference rotation and installs the rotor plate, the screw rod is installed to the upper surface of rotor plate all runs through the spiro union, the bottom fixedly connected with briquetting of screw rod.

In the technical scheme, the fixed column and the semicircular lifting plate are positioned on the same horizontal straight line.

In the technical scheme, the water outlet of the water drain pipe is arranged in the water tank.

Compared with the prior art, the calibrating device of the flowmeter has the beneficial effects that:

1. compared with the prior art, the utility model can utilize the telescopic push rod to drive the left semicircular lifting disk to move left and right so as to adjust the carrying distance, and compared with the prior art, the utility model does not need to adjust the position of the water supply pipe and does not need to use a telescopic pipe to match, thereby achieving the purpose of injecting water into the flowmeter, enhancing the water flow stability of injecting water into the flowmeter while not affecting the adjustment of the flowmeters with different specifications, and ensuring the accuracy of flowmeter calibration.

2. According to the utility model, after the flowmeter is clamped between the two T-shaped hollow discs, the pressing block can be driven to move downwards by screwing the screw rod to fix the flowmeter, so that the stability of the flowmeter during calibration is enhanced, and the accuracy of flowmeter calibration is ensured.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic view of a movable frame according to the present utility model;

in the figure: 1-water tank, 11-fixed plate, 12-L type lifting plate, 2-fixed frame, 3-movable frame, 31-roller, 4-T type hollow disc, 41-semicircle lifting disc, 42-sealing backing ring, 5-water inlet pipe, 51-water pump, 511-water suction pipe, 6-water discharge pipe, 7-telescopic push rod, 8-fixed column, 81-rotating plate, 82-screw rod, 83-briquetting.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a calibrating device of flowmeter, including water tank 1, the upper surface fixed mounting of water tank 1 has mount 2, sliding mounting has movable frame 3 in the water tank 1, T type hollow disc 4 is all fixed mounting in mount 2 and the movable frame 3, the inboard surface of T type hollow disc 4 is all fixed mounting has semicircle to lift dish 41, semicircle is lifted dish 41 and is used with the flange of lifting the meter, the inlet of right side T type hollow disc 4 installs inlet tube 5, the water inlet of inlet tube 5 installs water pump 51, water pump 51 fixed mounting is on the inside wall of water tank 1, and the water inlet of water pump 51 is connected with drinking-water pipe 511, the exit of left side T type hollow disc 4 installs drain pipe 6, the upper surface fixed mounting of water tank 1 has fixed plate 11, install flexible push rod 7 between fixed plate 11 and the movable frame 3;

the telescopic push rod 7 is used for driving the left T-shaped hollow discs 4 to move left and right, thereby adjusting the clamping distance of the two T-shaped hollow discs 4, facilitating the continuous clamping of flow meters with different specifications,

the device can utilize the telescopic push rod 7 to drive left semicircle lifting plate 41 to move left and right to adjust the carrying distance, compared with the prior art, when adjusting the clamp distance, the position of a water supply pipe is not required to be adjusted, the telescopic pipe is not required to be matched for use, the purpose of injecting water into the flowmeter can be achieved, the water flow stability of injecting water into the flowmeter is enhanced while the calibration work of the flowmeter adapting to different specifications is not influenced, and the accuracy of flowmeter calibration is ensured.

It should be noted that, the inner side wall of the water tank 1 is symmetrically and fixedly provided with the L-shaped lifting plate 12, a slideway is formed between the L-shaped lifting plate 12 and the inner side wall of the water tank 1, the bottom end of the movable frame 3 slides in the corresponding slideway, and the movable frame 3 slides in the water tank 1 by sliding the movable frame 3 in the slideway.

In order to enable the movable frame 3 to slide to the inner slide more smoothly, the bottom end of the movable frame 3 is symmetrically and rotatably provided with the rollers 31, the rollers 31 are positioned in corresponding slide ways, and the rollers 31 can be used for contacting with the slide ways, so that the movable frame 3 can slide to the inner slide more smoothly.

In order to ensure the connection sealing effect between the flowmeter and the T-shaped hollow discs 4, sealing backing rings 42 are fixedly arranged in the semicircular lifting discs 41, and the flowmeter can be contacted with the sealing backing rings 42 after being clamped by the two T-shaped hollow discs 4, so that the sealing effect is ensured, and the problems that after water is introduced, the flowmeter leaks and the calibration effect is influenced are avoided.

For the upper portion of flowmeter extrudees fixedly, the fixed column 8 of equal fixed mounting of upper surface at mount 2 and movable frame 3, and all be circumferential rotation at the surface of fixed column 8 and install rotating plate 81, all run through the spiro union at the upper surface of rotating plate 81 and install screw rod 82, bottom fixedly connected with briquetting 83 at screw rod 82, after the flowmeter is held between two T type hollow discs 4, can rotate the top of flowmeter with rotating plate 81, twist and rotate the screw rod 82 and drive briquetting 83 and move down, utilize briquetting 83 to carry out spacingly to the flowmeter, avoid when detecting the flowmeter, receive the water pressure to influence upward movement.

In order to ensure the effect that the flowmeter is clamped and fixed, the fixing column 8 and the semicircular lifting plate 41 are required to be arranged on the same horizontal line.

In order to facilitate the recovery and reuse of the water used in the detection process, the water outlet of the water drain pipe 6 needs to be arranged in the water tank 1.

Working principle: when the intelligent flowmeter is used, the telescopic push rod 7 is driven to extend or shrink according to the length of the flowmeter to drive the left T-shaped hollow disc 4 to move to adjust the clamp distance, after the clamp distance is adjusted to be matched, the flange of the flowmeter is inserted into the corresponding semicircular lifting disc 41, after the flange is inserted, the telescopic push rod 7 is driven to extend, the flowmeter is clamped by the two T-shaped hollow discs 4, the telescopic push rod 7 is attached to the sealing gasket 42 to ensure the sealing effect, then the rotating rod 81 is rotated to the upper side of the flowmeter, the screw 82 is screwed to drive the pressing block 83 to move downwards, the pressing block 83 is used for limiting the flowmeter, at the moment, the upper part of the flowmeter is limited by the pressing block 83, the left and right sides of the flowmeter are limited by the T-shaped hollow discs 4 on the two sides, the lower part of the flowmeter is limited by the two semicircular lifting discs 41, the whole flowmeter is clamped and fixed by the stable clamping, finally, water in the water tank 1 is supplied into the flowmeter according to different flow rates by the water pump 51, and whether the working state of the pointer of the flowmeter is normal or not is observed, if abnormal, and the calibration can be carried out under the detection state.

Claims (7)

1. The utility model provides a calibrating device of flowmeter, includes water tank (1), the last fixed surface of water tank (1) installs mount (2), movable frame (3) are installed to the water tank (1) internal sliding, a serial communication port, all fixed mounting has T type hollow disc (4) in mount (2) and movable frame (3), the inboard surface of T type hollow disc (4) all fixed mounting has semicircle to lift dish (41), semicircle lift dish (41) use with the flange of lifting the meter, right side inlet tube (5) are installed in the import department of T type hollow disc (4), water pump (51) are installed to the inlet end of inlet tube (5), water pump (51) fixed mounting is on the inside wall of water tank (1), and the inlet end of water pump (51) is connected with drinking-water pipe (511), left side the exit of T type hollow disc (4) installs drain pipe (6), the last fixed surface of water tank (1) installs fixed plate (11), install telescopic push rod (7) between fixed plate (11) and the movable frame (3).

2. The calibrating device of a flowmeter according to claim 1, wherein the inner side wall of the water tank (1) is symmetrically and fixedly provided with an L-shaped lifting plate (12), sliding ways are formed between the L-shaped lifting plate (12) and the inner side wall of the water tank (1), and the bottom end of the movable frame (3) slides in the corresponding sliding way.

3. The calibrating device of a flowmeter according to claim 2, characterized in that the bottom end of the movable frame (3) is symmetrically rotatably provided with rollers (31), and the rollers (31) are positioned in corresponding slide ways.

4. A flow meter calibration unit as claimed in claim 1, wherein the semicircular lifting plates (41) are each fixedly provided with a sealing gasket (42).

5. The calibrating device of a flowmeter according to claim 1, wherein the fixing posts (8) are fixedly installed on the upper surfaces of the fixing frame (2) and the movable frame (3), the rotating plates (81) are circumferentially rotatably installed on the outer surfaces of the fixing posts (8), the screw rods (82) are fixedly connected with the pressing blocks (83) at the bottom ends of the screw rods (82) through the upper surfaces of the rotating plates (81).

6. A flow meter calibration unit according to claim 5, characterized in that the fixed column (8) and the semicircular lifting disk (41) are on the same horizontal line.

7. A flow meter calibration device according to claim 1, characterized in that the outlet of the drain pipe (6) is arranged in the water tank (1).

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