Rapid positioning mechanism for water meter detection

Abstract

The utility model discloses a quick positioning mechanism for water meter detection, which comprises a support, a placing seat is mounted in the middle of the upper side of the support, the placing seat is used for placing a water meter, mounting plates with through holes are respectively fixed at two ends of the placing seat, and the mounting plates are used for mounting the placing seat on the support; a limiting frame is arranged on the upper portion of the containing base, the two ends of the limiting frame are fixedly connected with installation blocks respectively, each installation block can be penetrated by a first screw rod, the lower end of each first screw rod is fixedly connected with the support, each first screw rod is in threaded connection with a nut, and the nuts are arranged above the installation blocks. The utility model relates to the technical field of positioning for water meter detection, in particular to a quick positioning mechanism for water meter detection, which can abut against and limit from the side surfaces of the upper part and the lower part of a water meter through structures such as a limiting frame, a first abutting block and a second abutting block, so as to ensure that the position of the water meter is fixed in the detection process.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning technical field for water meter detection, specifically, relate to a kind of quick positioning mechanism for water meter detection. BACKGROUND

[0002] In modern water supply system, water meter as the key equipment of water quantity measurement, its accuracy is crucial for the rational distribution of water resources, the fair calculation of water fee and the efficient management of water supply system.Accurate water metering can ensure that users pay according to actual water consumption, avoid waste and unreasonable use of water resources, while also help water supply enterprises accurately grasp water supply and water demand, optimize water supply scheduling, and ensure the stability and reliability of water supply.

[0003] The principle of water meter detection can be based on Hall effect, when water flow through water meter, the force of water flow drives impeller to rotate, the magnet installed on the rotating shaft of impeller rotates, producing a rotating changing magnetic field.Hall sensor is located in this changing magnetic field, according to Hall effect, the change of magnetic field will produce corresponding potential difference in Hall sensor, that is, Hall voltage.The voltage signal is processed by amplification, shaping and other circuits, and a series of pulse signals are outputted.Each rotation of impeller, magnet passes through Hall sensor once, which corresponds to produce one or more pulse signals.Through counting and frequency measurement of these pulse signals, and according to the pre calibrated relationship, the total amount and instantaneous flow of water flowing through water meter can be calculated, in addition, water meter can also be detected by other principles, such as ultrasonic time difference method, ultrasonic water meter installs ultrasonic transducer at upstream and downstream of measuring channel, and calculates the flow rate and flow of fluid by measuring the propagation time difference of ultrasonic signal in forward flow and reverse flow.This method has high precision and reliability.

[0004] Traditional verification method of water meter mainly includes the following several kinds: start-stop static volume method, reversing static weighing method and piston cylinder dynamic volume method, in addition, portable water meter calibrator and other instruments can also be used for detection, and its working principle is to use high-precision volumetric water meter as standard meter, use photoelectric sensor to detect the rotating speed of standard meter, and then convert the corresponding flow data converted by electronic circuit to display on liquid crystal display.Specifically, when the online water meter to be measured is connected with calibrator and water flows, photoelectric sensor measures the rotating speed of piston in volumetric water meter, and electronic circuit converts the rotating speed into cumulative flow and instantaneous flow.When a certain cumulative flow is reached, close the ball valve, record the flow of measured water meter and calibrator, and calculate the indication error of measured water meter.

[0005] The selection of the method depends on the specific verification requirements and conditions. In practical applications, the most suitable verification method should be selected by comprehensively considering factors such as the type, specification and verification requirements of the water meter. Whether the traditional water meter verification method or the portable water meter verification instrument is used, the water meter needs to be fixed and positioned quickly and conveniently for observation, data collection and prevention of water meter movement and tilting under force when the water meter is connected to water. Content of the utility model

[0006] The utility model provides a quick positioning mechanism for water meter detection, through the structure of the limiting frame, the first resisting block and the second resisting block, the upper part and the lower part of the water meter can be tightly positioned from the side, and the position of the water meter is fixed during detection.

[0007] A quick positioning mechanism for water meter detection, comprising a support, a placing seat is installed on the upper side of the support, the placing seat is used for placing a water meter, and mounting plates provided with through holes are fixed at both ends of the placing seat, the mounting plates are used for mounting the placing seat on the support;

[0008] A limiting frame is arranged on the upper part of the placing seat, the both ends of the limiting frame are fixedly connected with mounting blocks, each mounting block can be penetrated by a first screw rod, the lower end of the first screw rod is fixedly connected with the support, the first screw rod is threadedly connected with a nut, and the nut is arranged above the mounting block;

[0009] The both ends of the support rod are fixedly connected with the both sides of the limiting frame, a plurality of uniformly arranged threaded holes are arranged on the support rod, threaded bolts are threadedly and telescopically connected in the threaded holes, the lower end of the threaded bolt is screwed with a first resisting block, the first resisting block is a conical block, and the first resisting block can tightly position the upper side of the outer wall of the water meter.

[0010] Further, the first resisting block is arranged in a rectangular shape, and the first resisting block is a rubber block.

[0011] Further, the bottom wall of the upper side of the placing seat is a downwardly concave arc-shaped wall surface, second screw rods are threadedly and telescopically connected with the both ends of the placing seat, the opposite ends of the second screw rods are rotatably connected with second resisting blocks, the second resisting blocks are arranged in the placing seat, the lower side of the second resisting block is an arc-shaped surface, the arc-shaped surface is slidably connected with the bottom wall, the upper side of the second resisting block is an inclined surface, and the second resisting block can tightly position the lower side of the water meter.

[0012] Further, the second resisting block is a rubber block.

[0013] Further, the middle part of the two sides of the support is fixedly connected with a water pipe fixing block corresponding to the position of the two ends of the placing seat, each water pipe fixing block is fixedly connected with a water pipe, the water pipe can be connected with a water meter, and the middle part of the water pipe is a corrugated pipe and the two ends are straight pipes.

[0014] Further, a water tank is arranged on the support, and a water pump of the water tank can be connected with the water pipe through a hose.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that:

[0016] (1) through the limiting frame, the first resisting block, the second resisting block and the like, the water meter can be tightly positioned from the upper part and the lower part of the side surface, the position of the water meter is fixed during detection, the detection precision is effectively improved, the first resisting block is a conical soft rubber column, the water meter dial is automatically corrected during the downward movement, the lower surface of the second resisting block is attached to the arc surface, and the upper side is a slope and is positioned on the two sides of the water meter.

[0017] (2) the positioning and fixing of the water meter can be realized through the rotating nut, the bolt and the second screw rod, the operation is simple and fast, and the detection efficiency is improved.

[0018] (3) the plurality of uniformly arranged screw holes and the adjustable second resisting block, the first resisting block is screwed with the bolt, the position is convenient to disassemble and replace, different specifications and sizes of the water meter can be adapted, and the universality of the positioning mechanism is improved.

[0019] (4) the water pipe fixing block and the water pipe with the middle part being a corrugated pipe and the two ends being straight pipes are designed, the water pipe is stably connected with the water meter, the corrugated pipe can adapt to certain position changes, the water leakage risk is reduced, the detection is smoothly ensured, the quick connector is used at the end of the water pipe, the replacement efficiency is improved, and the water pump at the bottom is communicated. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to the drawings without creative labor for those skilled in the art. In the drawings:

[0021] Figure 1 is a perspective view of the utility model Figure One ;

[0022] Figure 2 is a perspective view of the utility model Figure Two ;

[0023] Figure 3 is a perspective view of the utility modelFigure 2 A local enlarged view at middle A;

[0024] Figure 4 The utility model discloses a three -dimensional Figure Three .

[0025] In the figure: 1, support; 2, water pipe fixed block; 3, water pipe; 4, water tank; 5, first screw rod; 6, limiting frame; 7, bolt; 8, support rod; 9, first abutting block; 10, second abutting block; 101, arc surface; 11, second screw rod; 12, placing seat; 121, bottom wall; 13, mounting block; 14, nut. DETAILED DESCRIPTION

[0026] The utility model will be further described below in connection with the drawings and embodiments.

[0027] A kind of for water meter detection fast positioning mechanism, including support 1, the upper side middle part of the support 1 is equipped with placing seat 12, the placing seat 12 is used to place water meter, the both ends of the placing seat 12 are respectively fixed with installation plate with through hole, the installation plate is used to install the placing seat 12 on the support 1;

[0028] The upper portion of the placing seat 12 is provided with limiting frame 6, the both ends of the limiting frame 6 are respectively fixedly connected mounting block 13, each mounting block 13 can be crossed by first screw rod 5 respectively, the lower end of the first screw rod 5 is fixedly connected with the support 1, the first screw rod 5 is threadedly connected with nut 14, and the nut 14 is arranged above the mounting block 13;

[0029] The middle part of the both sides of the limiting frame 6 is respectively fixedly connected with the both ends of support rod 8 corresponding to the position of the placing seat 12, a plurality of uniformly arranged screw holes are provided on the support rod 8, the screw holes are threadedly connected with bolt 7, the lower end of the bolt 7 is screwed with first abutting block 9, the first abutting block 9 is a conical block, and the first abutting block 9 can abut and limit the upper side of the outer wall of the water meter.

[0030] In the embodiment, the hollow limiting frame 6 above is convenient for the adhesion of instruments and sensor probes used for detection, can be rotated on nut 14 and then pulled to move the limiting frame 6 up to the height that does not hinder the placement of water meter, or nut 14 can be removed to remove the limiting frame 6, and then the water meter is placed on the placing seat 12, the downward concave arc wall surface on the upper side of the placing seat 12 is preliminarily adapted with the bottom of the water meter, to play a preliminary positioning role;

[0031] The good limiting frame 6, rotating nut 14, because the first screw 5 lower end is fixed on the support 1, nut 14 along the screw down pressure limiting frame 6, realize the fixed limiting frame 6, rotating bolt 7 on the support rod 8, so that the first block 9 moves down, the first block 9 of the conical soft rubber column, the upper side of the water meter wall is tightly limited, and the first block 9 is a conical soft rubber column, the lower moving process automatically corrects the water gauge.

[0032] The bolt 7 and the first block 9 are screwed, which facilitates disassembly and facilitates the movement of the position of the first block 9.

[0033] The first block 9 is arranged in a rectangular shape, and the first block 9 is a rubber block.

[0034] In this embodiment, the rubber block can increase the friction force to avoid the water meter from being deviated, and the surface of the rubber block is soft and will not damage the surface of the water meter.

[0035] The upper side of the bottom wall 121 of the placing seat 12 is a downward concave arc-shaped wall surface, both ends of the placing seat 12 are threadedly connected with the second screw 11, opposite ends of the second screw 11 are rotationally connected with the second block 10, the second block 10 is arranged in the placing seat 12, the lower side of the second block 10 is an arc surface 101, the arc surface 101 is slidably connected with the bottom wall 121, and the upper side of the second block 10 is an inclined surface.

[0036] In this embodiment, the lower surface of the second block is attached to the arc surface, and the upper side is an inclined surface, which is just clamped on both sides of the positioning. The second screw 11 can drive the second block 10 to move, and the arc surface 101 of the second block 10 moves along the bottom wall 121, so that the second block 10 abuts against the lower sides of the water meter, and the water meter is further limited.

[0037] The second block 10 is a rubber block.

[0038] The second block 10 is a rubber block, which can increase the friction force to avoid the water meter from being deviated, and the surface of the rubber block is soft and will not damage the surface of the water meter.

[0039] The middle part of the two sides of the support 1 is fixedly connected with the water pipe fixing block 2 corresponding to the positions of both ends of the placing seat 12, each water pipe fixing block 2 is fixedly connected with the water pipe 3, the water pipe 3 can be connected with the water meter, and the middle part of the water pipe 3 is a corrugated pipe and both ends are straight pipes.

[0040] The end of the water pipe 3 uses a quick connector, which facilitates the replacement efficiency and connects the water pump at the bottom.

[0041] The support 1 is provided with a water tank 4, and the water pump of the water tank 4 can be connected with the water pipe 3 through a hose.

[0042] In the embodiment, one water pipe 3 is connected with the water inlet of the water meter, another water pipe 3 is connected with the water outlet of the water meter, the handheld detection device detects the water meter, the water pump of the water tank 4 is connected with the water pipe 3 through a hose, the water pump is used to pump water, the water meter is detected through the water pipe 3, and the corrugated pipe can adapt to certain position changes, so that the stability of the water passing process is ensured.

[0043] The working process of the utility model is as follows: the water meter detector can be detected by various detection instruments such as portable water meter detectors, and the mechanism plays the role of auxiliary positioning and fixing.

[0044] The related detection probes of the detection instrument are placed at appropriate positions according to requirements, for example, the hollow part above the limiting frame 6 is attached to the water meter for detection preparation.

[0045] The limiting frame 6 is adjusted to an appropriate height or removed, so that the placing seat 12 can accommodate the water meter.

[0046] The water meter is placed on the placing seat 12, so that the bottom of the water meter is preliminarily positioned with the arc-shaped wall surface of the placing seat 12, the limiting frame 6 is well fixed, each bolt 7 on the supporting rod 8 is rotated in sequence, the first abutting block 9 gradually descends, until the first abutting block 9 tightly abuts against the upper side surface of the outer wall of the water meter, the second screw rod 11 at the two ends of the placing seat 12 is rotated respectively, so that the second abutting block 10 gradually approaches the water meter, until the second abutting block 10 tightly abuts against the lower side surface of the water meter, the water pipe 3 is connected with the water meter through the water pipe fixing block 2, so as to ensure that the connection is tight, the water pump of the water tank 4 is connected with the water pipe 3 through a hose (it is ensured that one water pipe 3 is connected with the water inlet of the water meter, and another water pipe 3 is connected with the water outlet of the water meter, so as to ensure that the water pipe 3 connected with the water outlet of the water pump on the water tank 4 is connected with the water inlet of the water meter), if the detection instrument connected with the water meter is used, the water pump of the device is not used to connect the water meter.

[0047] According to the actual situation of the water meter, parameters are set on the detection instrument.

[0048] The detection instrument is started, and the water pump of the water tank 4 is started, so as to pass water through the water meter for detection.

[0049] After detection is completed, the detection instrument is turned off, the water pump is turned off first, and then the second screw rod 11, the bolt 7 and the nut 14 are loosened in sequence, and the water meter is taken out.

[0050] The above disclosure is only a specific embodiment of the utility model, but the utility model is not limited to this, any change that can be thought of by any person skilled in the art should fall within the protection scope of the utility model.

Claims

1. A rapid positioning mechanism for water meter detection, characterized in that, Includes a bracket (1), and a placement seat (12) is installed on the upper middle part of the bracket (1). The placement seat (12) is used to place a water meter. At both ends of the placement seat (12), there are mounting plates with through holes. The mounting plates are used to install the placement seat (12) on the bracket (1). The upper part of the placement base (12) is provided with a limiting frame (6), and the two ends of the limiting frame (6) are respectively fixedly connected to the mounting blocks (13). Each mounting block (13) can be passed through by a first screw (5). The lower end of the first screw (5) is fixedly connected to the bracket (1). The first screw (5) is threadedly connected to a nut (14), and the nut (14) is located above the mounting block (13). The two sides of the limiting frame (6) are fixedly connected to the two ends of the support rod (8) at the positions corresponding to the placement seat (12). The support rod (8) is provided with a number of evenly arranged threaded holes. The threaded holes are connected to bolts (7) with internal threads. The lower end of the bolt (7) is screwed to the first abutment block (9). The first abutment block (9) is a conical block. The first abutment block (9) can abut and limit the upper side of the outer wall of the water meter.

2. The rapid positioning mechanism for water meter detection according to claim 1, characterized in that: The first abutment block (9) is arranged in a rectangular shape and is a rubber block.

3. The rapid positioning mechanism for water meter detection according to claim 2, characterized in that: The upper bottom wall (121) of the placement seat (12) is a concave arc-shaped wall surface. The two ends of the placement seat (12) are respectively threaded to the second screw (11). The opposite ends of the second screw (11) are respectively rotatably connected to the second abutment (10). The second abutment (10) is placed inside the placement seat (12). The lower side of the second abutment (10) is an arc-shaped surface (101). The arc-shaped surface (101) is slidably connected to the bottom wall (121). The upper side of the second abutment (10) is an inclined surface. The second abutment (10) can abut and limit the lower side of the water meter.

4. The rapid positioning mechanism for water meter detection according to claim 3, characterized in that: The second abutment (10) is a rubber block.

5. The rapid positioning mechanism for water meter detection according to claim 4, characterized in that: Water pipe fixing blocks (2) are fixedly connected to the middle of both sides of the bracket (1) corresponding to the positions at both ends of the placement seat (12). Each water pipe fixing block (2) is fixedly connected to a water pipe (3). The water pipe (3) can be connected to a water meter. The middle part of the water pipe (3) is a corrugated pipe and the two ends are straight pipes.

6. The rapid positioning mechanism for water meter detection according to claim 5, characterized in that: A water tank (4) is provided on the bracket (1), and the water pump of the water tank (4) can be connected to the water pipe (3) through a hose.

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