CN216978070U

CN216978070U - Device for starting flow of dry water meter

Info

Publication number: CN216978070U
Application number: CN202123181736.8U
Authority: CN
Inventors: 张爱国
Original assignee: ZENNER METERS (SHANGHAI) Ltd
Current assignee: ZENNER METERS (SHANGHAI) Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-15
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a device for starting flow of a dry water meter, which comprises a bottom plate, a test box, a CCD (charge coupled device) test mechanism, a blowing device and a jig structure, wherein the test box and the jig structure are arranged on the upper end surface of the bottom plate; the jig structure is arranged on the front side of the upper end part of the bottom plate and comprises a jig bottom plate and a jig seat, handles are fixedly arranged on two sides of the upper end surface of the jig bottom plate, and the jig seat is fixedly connected to the middle of the upper end surface of the jig bottom plate; the jig base is provided with a plurality of placing grooves for placing the water meter to be tested, and the outer side end of the jig base is provided with a locking rod which penetrates through the jig base and is used for fixing the water meter to be tested. The integral test equipment of the utility model has simple structure, adopts the CCD to carry out shooting test, and has leap-type progress in detection accuracy and effectiveness compared with the original mode at the end of detecting the validity of data.

Description

Device for starting flow of dry water meter

Technical Field

The utility model relates to the field of water meter detection, in particular to a device for starting flow of a dry water meter.

Background

The dry water meter is one rotary wing type water meter with metering mechanism driven with magnetic element and counter not contacting with the water to be metered. Clear reading, convenient meter reading, accurate measurement and durability; the dry water meter is isolated from the water to be measured by the counting mechanism, so that the dry water meter is not influenced by suspended impurities in the water, the normal work of the counting mechanism and the clear reading are ensured, and the phenomenon that the reading of the water meter is influenced by the fogging below the glass or condensed water drops and the like caused by the temperature difference between the inside and the outside of the meter like a wet water meter is avoided, so that the dry water meter is widely applied to the industrial field.

The conventional MTKD-S1 dry meter is limited by an integral structure, a transparent cover needs to be installed after the flow performance test is finished, in order to ensure the performance stability, a start-flow test needs to be carried out by using one third of the small flow of the whole meter after a protective cover is installed, and the accuracy of results and the validity of data are poor as production staff generally observe by naked eyes.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a device for initiating flow in a dry water meter to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a device for starting flow of a dry-type water meter comprises a bottom plate, a test box, a CCD test mechanism, a blowing device and a jig structure, wherein the test box and the jig structure are arranged on the upper end surface of the bottom plate; the jig structure is arranged on the front side of the upper end part of the bottom plate and comprises a jig bottom plate and a jig seat, handles are fixedly arranged on two sides of the upper end surface of the jig bottom plate, and the jig seat is fixedly connected to the middle part of the upper end surface of the jig bottom plate; the jig base is provided with a plurality of placing grooves for placing the water meter to be tested, and the outer side end of the jig base is provided with a locking rod which penetrates through the jig base and is used for fixing the water meter to be tested.

Preferably, the blowing device is arranged in the test box and comprises a cylinder, a blowing head and gas generating equipment, the gas generating equipment is fixed in the test box, and the output end of the gas generating equipment is connected with the blowing head through a telescopic pipeline.

Preferably, the cylinder end is fixed in the test through-hole of test box bottom side, and the air blow head is loaded to the cylinder axle head, and the air blow head can be close and keep away from the water gauge that awaits measuring that the tool structure loaded when the cylinder starts.

Preferably, the CCD testing mechanism is arranged on the top side of the front end of the testing box and comprises a multi-axis adjusting support, a CCD mounting frame and a CCD camera.

Preferably, the multi-axis adjusting support is an X-axis adjusting support and a Y-axis adjusting support, the tail end of the multi-axis adjusting support is connected with a CCD installation frame, and a CCD camera is fixedly installed at the end part, close to the pointer surface of the water meter to be measured, of the CCD installation frame.

Preferably, the air blowing device, the air cylinder and the CCD testing mechanism are all connected with the control panel and are controlled by man-machine interaction and data.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adopts stable compressed air as a power source to blow the whole meter impeller to be tested, the whole meter impeller is shot by a CCD camera and judged by an industrial personal computer, and the whole meter counting device, a quincunx needle and an initial action needle after a transparent cover is pressed and mounted, whether the rotation speed of the whole meter counting device and the initial action needle has a linear trend or not is used for judging whether the initial action performance of the whole meter meets the design requirement or not; holistic test equipment structure is succinct, has improved the utilization ratio of dry-type water gauge Q1/Q2/Q3 test bench position, and work quota time improves to 0.166 minutes/pcs from original 1.083 minute/pcs, has very big promotion in the detection efficiency, adopts CCD to shoot the test moreover, and at the detection data validity end, detection accuracy, validity have strideing the progress than original mode.

Drawings

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

fig. 2 is a schematic view of the structure of the jig of the present invention.

In the figure: 1. a base plate; 2. a test box; 201. testing the through opening; 202. an industrial control screen; 3. a jig base plate; 4. a jig base; 401. a placement groove; 402. a locking lever; 5. a water meter to be tested; 6. a cylinder; 7. a blowing head; 8. a multi-axis adjusting bracket; 9. a CCD mounting rack; 10. a CCD camera.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a device for starting flow of a dry water meter comprises a bottom plate 1, a test box 2, a CCD test mechanism, a blowing device and a jig structure, wherein the test box 2 and the jig structure are arranged on the upper end face of the bottom plate 1, the test box 2 is fixedly arranged on the rear side of the upper end part of the bottom plate 1, a test through hole 201 is formed in the bottom of the inner side of the test box 2, and an industrial control screen 202 and a control panel are embedded in the end face of the front side of the test box 2; the jig structure is arranged on the front side of the upper end part of the bottom plate 1 and comprises a jig bottom plate 3 and a jig seat 4, handles are fixedly arranged on two sides of the upper end surface of the jig bottom plate 3, and the jig seat 4 is fixedly connected to the middle part of the upper end surface of the jig bottom plate 3; be equipped with a plurality of standing grooves 401 that are used for placing the water gauge 5 that awaits measuring on tool seat 4, tool seat 4 outside end is equipped with and passes tool seat 4 and be used for the check lock lever 402 that the water gauge 5 that awaits measuring is fixed.

In this embodiment, the blowing device is installed in the test box 2, the blowing device includes a cylinder 6, a blowing head 7 and a gas generating device, the gas generating device is fixed in the test box 2, and the output end of the gas generating device is connected with the blowing head 7 through a telescopic pipeline.

In this embodiment, the end of the cylinder 6 is fixed in the testing through hole 201 at the bottom side of the testing box 2, the blow head 7 is loaded at the shaft end of the cylinder 6, and the blow head 7 can be close to and far away from the water meter 5 to be tested loaded on the jig structure when the cylinder 6 is started.

In this embodiment, the CCD testing mechanism is mounted on the top side of the front end of the testing box 2, and the CCD testing mechanism includes a multi-axis adjusting bracket 8, a CCD mounting bracket 9, and a CCD camera 10.

In this embodiment, the multi-axis adjusting bracket 8 is an X-axis adjusting bracket and a Y-axis adjusting bracket, the end of the multi-axis adjusting bracket 8 is connected to a CCD mounting bracket 9, and a CCD camera 10 is fixedly mounted on the end of the CCD mounting bracket 9 near the pointer surface of the water meter 5 to be measured.

In the embodiment, the blowing device adopts stable compressed air as a power source, can blow the impeller of the whole meter to be tested by using the compressed air along with the starting of the air cylinder 6 to approach and leave the water meter 5 to be tested loaded on the jig structure, shoots the whole meter, the starting needle and the pointer by using the CCD camera 10 (the CCD camera shoots the whole meter, the starting needle and the pointer), and judges the meter by using the industrial personal computer (according to the rotating speed of the acquired plum-blossom needle and the displacement of the pointer, a curve of the built-in rotating speed of the CCD is calculated and matched, and the trend of the curve of the plum-blossom needle and the curve of the pointer meet the set requirement and the rotating speed of the curve meets the set requirement so as to judge the qualification); the CCD camera 10 can be adjusted based on the X axis and the Y axis of the multi-axis adjusting support 8, and can shoot in multiple directions.

In this embodiment, above-mentioned holistic test equipment structure is succinct, has improved the utilization ratio of dry-type water gauge Q1/Q2/Q3 test bench position, and the work quota time improves to 0.166 minute/pcs from original 1.083 minute/pcs, has very big promotion in the detection efficiency, adopts CCD to shoot the test moreover, and at the detection data validity end, detection accuracy, validity have striding type progress than original mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 device for starting flow of a dry water meter is characterized by comprising a bottom plate (1), a test box (2), a CCD (charge coupled device) test mechanism, a blowing device and a jig structure, wherein the test box (2) and the jig structure are arranged on the upper end face of the bottom plate (1), the test box (2) is fixedly arranged on the rear side of the upper end part of the bottom plate (1), a test through hole (201) is formed in the bottom of the inner side of the test box (2), and an industrial control screen (202) and a control panel are embedded in the end face of the front side of the test box (2); the jig structure is arranged on the front side of the upper end part of the bottom plate (1), and comprises a jig bottom plate (3) and a jig seat (4), handles are fixedly arranged on two sides of the upper end surface of the jig bottom plate (3), and the jig seat (4) is fixedly connected to the middle part of the upper end surface of the jig bottom plate (3); the water meter test jig is characterized in that a plurality of placing grooves (401) used for placing the water meters (5) to be tested are formed in the jig base (4), and a locking rod (402) which penetrates through the jig base (4) and is used for fixing the water meters (5) to be tested is arranged at the outer side end of the jig base (4).

2. A device for dry water meter pick-up flow as set forth in claim 1, wherein: the air blowing device is arranged in the test box (2) and comprises an air cylinder (6), an air blowing head (7) and air generating equipment, the air generating equipment is fixed in the test box (2), and the output end of the air generating equipment is connected with the air blowing head (7) through a telescopic pipeline.

3. A device for dry water meter pick-up flow as set forth in claim 2, wherein: the end of the air cylinder (6) is fixed in a test through hole (201) at the bottom side of the test box (2), an air blowing head (7) is loaded at the shaft end of the air cylinder (6), and the air blowing head (7) can be close to and far away from a water meter (5) to be tested, which is loaded on a jig structure, when the air cylinder (6) is started.

4. A device for dry water meter pick-up flow as set forth in claim 1, wherein: the CCD testing mechanism is arranged on the top side of the front end of the testing box (2) and comprises a multi-axis adjusting support (8), a CCD mounting frame (9) and a CCD camera (10).

5. A device for dry water meter pick-up flow as set forth in claim 4, wherein: the multi-axis adjusting support (8) is an X-axis adjusting support and a Y-axis adjusting support, the tail end of the multi-axis adjusting support (8) is connected with a CCD mounting rack (9), and a CCD camera (10) is fixedly mounted at the end part, close to the pointer surface of the water meter (5) to be measured, of the CCD mounting rack (9).