CN218765416U - Non-full pipe type electromagnetic flowmeter - Google Patents

Abstract

A non-full pipe type electromagnetic flow meter comprises a shell, wherein a first electric telescopic rod and a second electric telescopic rod are respectively arranged at the left end and the right end of the shell, the end parts of the first electric telescopic rod and the second electric telescopic rod are respectively hinged with a first supporting arm and a second supporting arm, the lower ends of the first supporting arm and the second supporting arm are respectively connected with a fixed end, cavities are formed in the first supporting arm and the second supporting arm, a driving motor is installed in each cavity, a third electric telescopic rod is coaxially installed on a rotating shaft of the driving motor, a through hole communicated with the cavities is further formed in each fixed end, the end part of each third electric telescopic rod is connected with a connecting frame, a sliding ring is installed at the upper end of each connecting frame and is slidably connected with the inner wall of the through hole, a drill bit is installed at the lower end of each connecting frame, and a positioning device is further arranged on each connecting frame; the utility model discloses the structure is ingenious, thinks about novelty, and convenient to use is applicable to the velocity of flow measurement of the open channel of multiple different shapes, convenient to install and dismantle.

Description

Non-full pipe type electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter technical field, in particular to non-full tubular electromagnetic flowmeter.

Background

Electromagnetic Flowmeters (EMF) are a new type of flow measuring instrument that has been rapidly developed in the 50-60 th 20 th century with the development of electronic technology. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle.

For riverways and channels with standard sections, a non-full-pipe open channel electromagnetic flowmeter is generally adopted to collect and measure water level, flow rate and flow, the open channel electromagnetic flowmeter generally collects the water level and the flow rate through a sensor, instantaneous flow is calculated according to a hydrodynamic model through preset section parameters, and accumulated flow is obtained through time accumulation.

The patent published under the application number 201922363860.2 proposes a non-full pipe type electromagnetic flow velocity sensor with strong applicability, high measurement accuracy degree and wide application range, which adopts an electromagnetic flowmeter body electrically connected with an external display device through a connecting wire, wherein the external display device using a power module as a power supply provides stable exciting current for the electromagnetic flowmeter body, the electromagnetic flowmeter collects induced potential in direct proportion to the flow velocity of a measured fluid, the induced potential is transmitted to the external display device and is amplified and subjected to analog-to-digital conversion to be processed into the flow of the measured fluid, and a bidirectional telescopic rod is adopted to ensure that the bidirectional telescopic rod is suitable for open channels with different channel widths, but only a support end and a connecting seat are adopted to fix two ends of the telescopic rod on the side wall of the open channel, so that the installation is inconvenient, the installation efficiency is low, and the use is inconvenient.

A non-full tubular electromagnetic flowmeter is needed to address this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a non-full-pipe electromagnetic flowmeter, which effectively solves the above problems.

The technical scheme who solves is, the utility model discloses a casing, both ends are equipped with first electric telescopic handle and second electric telescopic handle respectively about the casing, the tip of first electric telescopic handle and second electric telescopic handle articulates respectively has first support arm and second support arm, the lower extreme of first support arm and second support arm all is connected with the stiff end, be equipped with the cavity in first support arm and the second support arm, install driving motor in the cavity, coaxial installation has the third electric telescopic handle in driving motor's the pivot, still be equipped with the through-hole that communicates the cavity on the stiff end, the end connection of third electric telescopic handle has the link, the upper end of link is installed the slip ring, the slip ring is connected with the inner wall sliding of through-hole, the drill bit is installed to the lower extreme of link, still be equipped with positioner on the link;

the positioning device comprises a fixing ring fixedly mounted on the connecting frame and a rotating ring rotatably arranged on the connecting frame, a plurality of first connecting shafts are uniformly distributed on the fixing ring, positioning slices are rotatably mounted on the first connecting shafts, second connecting shafts are further connected onto the positioning slices, the end portions of the second connecting shafts are connected onto the rotating ring, internal threads are further arranged on the lower side of the through hole, and external threads connected with the internal threads are arranged on the outer side of the rotating ring.

The beneficial effects of the utility model are that: the utility model discloses the structure is ingenious, thinks about novelty, and convenient to use is applicable to the velocity of flow measurement of the open channel of multiple different shapes, convenient to install and dismantle.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an enlarged view of a in fig. 1 of the present invention.

Fig. 3 is a cross-sectional view taken along the direction B-B in fig. 2 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The embodiment is as follows:

the utility model discloses a casing 1, casing 1's left and right ends are equipped with first electric telescopic handle 2 and second electric telescopic handle 3 respectively, the tip of first electric telescopic handle 2 and second electric telescopic handle 3 articulates respectively has first support arm 4 and second support arm 5, the lower extreme of first support arm 4 and second support arm 5 all is connected with stiff end 6, be equipped with cavity 7 in first support arm 4 and the second support arm 5, install driving motor 8 in the cavity 7, coaxial the installing of third electric telescopic handle 9 in the pivot of driving motor 8, still be equipped with the through-hole 10 that communicates cavity 7 on the stiff end 6, the end connection of third electric telescopic handle 9 has link 11, link 12 is installed to the upper end of link 11, link 12 is connected with the inner wall sliding of through-hole 10, drill bit 13 is installed to the lower extreme of link 11, still be equipped with positioner on link 11;

positioner includes that fixed ring 14 and the swivel becket 15 of rotation setting on link 11 of fixed mounting on link 11, the equipartition has a plurality of first connecting axles 16 on the fixed ring 14, it installs location section 17 to rotate on the first connecting axle 16, still be connected with second connecting axle 18 on the section 17 of location, the end connection of second connecting axle 18 is on swivel becket 15, the downside of through-hole 10 still is equipped with the internal thread, the outside of swivel becket 15 is equipped with the external screw thread with internal thread threaded connection.

The lower extreme of casing 1 still be equipped with fourth electric telescopic handle 19, the lower extreme of fourth electric telescopic handle 19 still is equipped with electromagnetic flowmeter body 20, the upper end of casing 1 is equipped with display device 21, display device 21 is connected with electromagnetic flowmeter body 20 electricity.

And the first electric telescopic rod 2 and the second electric telescopic rod 3 are provided with control motors for driving the first supporting arm 4 and the second supporting arm 5 to rotate.

The utility model discloses when using, put at the upside that measures through hanging casing 1 through the hoist, start work to first electric telescopic handle 2 and the extension of second electric telescopic handle 3, and rotate to suitable angle through the first support arm 4 of control motor control and second support arm 5, make stiff end 6 press on the lateral wall of open channel at last, rotate through driving motor 8 and the outside link 11 that promotes of third electric pole, make drill bit 13 on the link 11 bore into in the lateral wall of open channel, when turning over to the interior certain distance of open channel lateral wall when drill bit 13, slip ring 12 breaks away from the stopper and makes internal thread and external screw thread connection, when drill bit 13 lasted to advancing in the lateral wall this moment, swivel ring 15 and solid fixed ring 14 take place relative rotation, make location section 17 take place to rotate and partly stretch out link 11 after stretching out through-hole 10, the location section 17 that stretches out link 11 cuts into and fixes a position in the lateral wall, can loosen the hoist this moment, make the device fix on the open channel.

When the measurement is not needed, the lifting appliance is fixed to the shell 1, and the driving motor 8 is controlled to rotate reversely, so that the positioning slice 17 is withdrawn into the rack, and the device can be taken out.

The utility model has the advantages that: the utility model discloses the structure is ingenious, thinks about novelty, and convenient to use is applicable to the velocity of flow measurement of the open channel of multiple different shapes, convenient to install and dismantle.

The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (3)

1. The non-full pipe type electromagnetic flowmeter comprises a shell (1), and is characterized in that a first electric telescopic rod (2) and a second electric telescopic rod (3) are respectively arranged at the left end and the right end of the shell (1), the end parts of the first electric telescopic rod (2) and the second electric telescopic rod (3) are respectively hinged with a first supporting arm (4) and a second supporting arm (5), the lower ends of the first supporting arm (4) and the second supporting arm (5) are respectively connected with a fixed end (6), cavities (7) are arranged in the first supporting arm (4) and the second supporting arm (5), a driving motor (8) is arranged in each cavity (7), a third electric telescopic rod (9) is coaxially arranged on a rotating shaft of the driving motor (8), a through hole (10) communicated with the cavities (7) is further arranged on the fixed end (6), the end part of the third electric telescopic rod (9) is connected with a connecting frame (11), a sliding ring (12) is arranged at the upper end of the connecting frame (11), the sliding ring (12) is slidably connected with the inner wall of the through hole (10), a drill bit (13) is further arranged at the lower end of the connecting frame (11), and a positioning device is arranged on the connecting frame (11);

positioner includes solid fixed ring (14) of fixed mounting on link (11) and swivel becket (15) of rotation setting on link (11), gu the equipartition has a plurality of first connecting axles (16) on fixed ring (14), it installs location section (17) to rotate on first connecting axle (16), still be connected with second connecting axle (18) on location section (17), the end connection of second connecting axle (18) is on swivel becket (15), the downside of through-hole (10) still is equipped with the internal thread, the outside of swivel becket (15) is equipped with the external screw thread with internal thread threaded connection.

2. The non-full-pipe electromagnetic flow meter according to claim 1, characterized in that a fourth electric telescopic rod (19) is further arranged at the lower end of the casing (1), an electromagnetic flow meter body (20) is further arranged at the lower end of the fourth electric telescopic rod (19), a display device (21) is arranged at the upper end of the casing (1), and the display device (21) is electrically connected with the electromagnetic flow meter body (20).

3. A non-full tubular electromagnetic flowmeter according to claim 1 wherein said first (2) and second (3) telescoping electrical poles are provided with control motors for driving the first (4) and second (5) support arms to rotate.

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