CN114543911B

CN114543911B - Doppler flowmeter

Info

Publication number: CN114543911B
Application number: CN202210026271.9A
Authority: CN
Inventors: 王彬
Original assignee: Wuxi Wohuan Instrument Technology Co ltd
Current assignee: Wuxi Wohuan Instrument Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2023-07-04
Anticipated expiration: 2042-01-11
Also published as: CN114543911A

Abstract

The invention discloses a Doppler flowmeter, and relates to the technical field of flow measurement. The invention comprises a protective box and a Doppler flowmeter body, wherein the Doppler flowmeter body is arranged in the protective box, the bottom surface of the interior of the protective box is provided with a sliding groove, a sliding plate is arranged in the sliding groove in a sliding way, a winding roller is arranged on the upper surface of the sliding plate, a wire is wound on the winding roller, the front end of the winding roller is connected with a driven gear, the right side of the driven gear is meshed with a driving gear, the right side of the driving gear is meshed with a rack, the lower end of the rack is provided with a detection probe, the two ends of the wire are respectively connected with the Doppler flowmeter body and the detection probe, the sliding plate is in sliding fit with the sliding groove, the winding roller and the rack are conveniently driven to slide outwards, and the driving gear drives the rack to move downwards under water through the meshing action of the driving gear and the driving gear, so as to drive the winding roller to rotate when the detection probe is deeply immersed, the wire is released, the wire is prevented from being stretched and pulled, and the winding and the use are facilitated.

Description

Doppler flowmeter

Technical Field

The invention belongs to the technical field of flow measurement, and particularly relates to a Doppler flowmeter.

Background

The Doppler flowmeter is measured by using the ultrasonic Doppler principle, and can be also called a river channel flowmeter, a sewer flowmeter, a channel flowmeter, a farmland irrigation flowmeter, a non-full pipe flowmeter and the like according to different application scenes. The flow meter is not required to cut off a pipeline to install a pipe section type sensor like an electromagnetic flow rate flowmeter, a cut-off device is not required to be used, a fixed weir groove is not required to be installed to control water flow flowing from a fixed outlet, and the flow meter is widely applied to industries such as industry, water conservancy and irrigation, and is suitable for flow measurement of full pipes, non-full pipes, open channels, sewer and the like.

At present, in the use process of the existing Doppler flowmeter, the handheld measurement is often needed by staff, the use is inconvenient, and part of Doppler flowmeter needs an additional fixing support, so that the installation is complicated, the workload of the staff is increased, and the practicability is poor. For this purpose, we propose a doppler flow meter.

Disclosure of Invention

The present invention aims to address the shortcomings and drawbacks of the prior art by providing a doppler flow meter.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a Doppler flowmeter, which comprises a protective box and a Doppler flowmeter body, wherein the Doppler flowmeter body is arranged at the left side inside the protective box, a sliding groove is formed in the bottom surface inside the protective box, a sliding plate is arranged at the right side of the Doppler flowmeter body, the lower surface of the sliding plate is connected with a sliding block and is in sliding fit with the sliding groove, a movable baffle is arranged on the right surface of the sliding plate and is mutually matched with an opening on the right side of the protective box, a wire winding roller is arranged on the upper side of the sliding plate, a wire is wound on the wire winding roller, the front end of the wire winding roller is connected with a driven gear through a rotating shaft, a driving gear is meshed with the right side of the driven gear, a through groove is formed in the surface of the movable baffle, a rack penetrates through the through groove to be meshed with a rack, a detection probe is arranged at the lower end of the rack, two limiting brackets are arranged on the right side surfaces of the movable baffle, limiting grooves are respectively formed in the front surface and the rear surface of the movable baffle, a limiting block is arranged in the limiting bracket, a limiting pulley is rotatably arranged in the groove, a connecting plate is fixedly connected with the surface of the inner side of the protective box through the rotating shaft, and a telescopic rod is fixedly arranged on the surface of the right side of the movable baffle.

Through the protection box has improved the protectiveness of Doppler flowmeter body, the storage and the carrying of device have been made things convenient for simultaneously, sliding fit of slide and spout, under the mutually supporting of hydraulic stem and connecting plate, the effect of the movable adjustment slide of being convenient for slides, and then the effect of drive rack removes, drive the test probe and remove to the surface of water top, the meshing effect of driving gear and driven gear and rack, realized that the driving gear drives rack and test probe and moves down, when inserting the surface of water, the rotation of winding roller has been driven, release the wire, prevent that the rack from driving the process that test probe moved down, the phenomenon of pulling appears stretching to lead to the fact, the use has been made things convenient for, the limit pulley is mutually supported with the spacing groove simultaneously, the stability of rack reciprocates has been ensured.

Preferably, the protection box lower surface is provided with a plurality of supporting legs, supporting leg lower surface mounting has the universal wheel, has ensured the supporting effect of device through the supporting leg, and the universal wheel has made things convenient for the removal of device simultaneously.

Preferably, a plurality of reinforcing plates are arranged between the supporting legs, a screw is arranged at the central position of each reinforcing plate, the screw is in threaded fit with the reinforcing plates, the upper ends of the screws penetrate through the reinforcing plates and are connected with rocking handles, the supporting effect of the bottoms of the devices is further improved through the reinforcing plates, and the rocking handles are matched with the screw, so that the devices are conveniently fixed.

Preferably, the rear side of the upper surface of the protective box is provided with a protective cover through a hinge, and the outer side surface of the protective cover is fixedly provided with a handle.

Preferably, a driving motor is installed at the rear side of the inner surface of the movable baffle, the rear surface of a driving gear at the output end of the driving motor is connected, and the driving gear is driven to rotate by the driving motor, so that the movable baffle is convenient to use.

Preferably, the front side and the rear side of the upper surface of the sliding plate are respectively provided with a fixed plate, the front end and the rear end of the winding roller are respectively in running fit with the fixed plates on the front side and the rear side, and the stability of the winding roller is ensured through the fixed plates.

Preferably, the driven gear front surface is connected with the backup pad through the pivot, just the backup pad is fixed at the slide upper surface, movable shield internal surface front side is fixed with the gusset plate, driving gear front surface passes through pivot and gusset plate normal running fit, through backup pad and gusset plate have ensured driven gear and driving gear's stability.

Preferably, the right side of the upper surface of the sliding plate is provided with a motor support which is matched with the driving motor, and the stability of the driving motor is ensured through the motor support.

The invention has the following beneficial effects:

1. according to the Doppler flowmeter, the protection performance of the Doppler flowmeter body is improved through the protective box, meanwhile, the device is convenient to store and carry, the sliding plate is matched with the sliding groove in a sliding mode, under the mutual matching of the hydraulic rod and the connecting plate, the sliding of the sliding plate is convenient to be regulated in a moving mode, the action of the rack is driven to move, the detection probe is driven to move to the position above the water surface, the meshing action of the driving gear, the driven gear and the rack is achieved, the driving gear drives the rack and the detection probe to move downwards when the detection probe is inserted into the water surface, the wire winding roller is driven to release a wire, the phenomenon that the wire is pulled tightly due to the fact that the rack drives the detection probe to move downwards is prevented, the use is convenient, and meanwhile, the limit pulley is matched with the limit groove, and the stability of the up-down movement of the rack is guaranteed.

2. The invention ensures the supporting effect of the device through the supporting legs, and the universal wheels facilitate the movement of the device.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic diagram of the structure of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the drawings, the list of components represented by the various numbers is as follows:

1. a protective box; 2. a Doppler flow meter body; 3. a chute; 4. a slide plate; 5. a wire winding roller; 6. a wire; 7. a driven gear; 8. a movable baffle; 9. a drive gear; 10. a rack; 11. a detection probe; 12. a limiting frame; 13. a limit groove; 14. a limit pulley; 15. a hydraulic rod; 16. a connecting plate; 17. support legs; 18. a universal wheel; 19. a reinforcing plate; 20. a screw; 21. a rocking handle; 22. a protective cover; 23. a driving motor; 24. a fixing plate; 25. a support plate; 26. and a reinforcing plate.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the invention is a doppler flow meter, comprising a protective box 1 and a doppler flow meter body 2, the doppler flow meter body 2 is arranged at the left side of the inside of the protective box 1, a chute 3 is arranged at the bottom surface of the inside of the protective box 1, a slide plate 4 is arranged at the right side of the doppler flow meter body 2, the lower surface of the slide plate 4 is connected with a slide block and is in sliding fit with the chute 3, a movable baffle 8 is arranged at the right surface of the slide plate 4 and is mutually matched with the opening at the right side of the protective box 1, a winding roller 5 is arranged at the upper side of the slide plate 4, a wire 6 is wound on the winding roller 5, the front end of the winding roller 5 is connected with a driven gear 7 through a rotating shaft, a driving gear 9 is meshed at the right side of the driven gear 7, a through groove is arranged on the surface of the movable baffle 8, the right side of the driving gear 9 penetrates through the through groove to be meshed with the rack 10, the detection probe 11 is installed at the lower end of the rack 10, the left end of the lead 6 is connected with the Doppler flowmeter body 2, the right end of the lead is connected with the detection probe 11 through the movable baffle 8, two limiting brackets 12 are arranged on the right side surface of the movable baffle 8, the limiting grooves 13 are formed in the front surface and the rear surface of the rack 10, grooves are formed in the limiting brackets 12, limiting pulleys 14 are rotatably installed in the grooves through rotating shafts, the limiting pulleys 14 are matched with the limiting grooves 13, an installation block is fixed on the right side of the lower surface of the protective box 1, a hydraulic rod 15 is arranged on the right surface of the installation block, a connecting plate 16 is fixed on the lower surface of the movable baffle 8, and the telescopic end of the hydraulic rod 15 is connected with the inner side surface of the connecting plate 16.

The protection performance of the Doppler flowmeter body 2 is improved through the protective box 1, storage and carrying of the device are facilitated, sliding fit of the sliding plate 4 and the sliding groove 3 are facilitated, under the mutual fit of the hydraulic rod 15 and the connecting plate 16, the action of the sliding plate 4 is convenient to slide, and then the action of the rack 10 is driven to move, the detection probe 11 is driven to move to the upper side of the water surface, the meshing effect of the driving gear 9, the driven gear 7 and the rack 10 is achieved, the driving gear 9 drives the rack 10 and the detection probe 11 to move downwards, the winding roller 5 is driven to rotate while the detection probe 11 is inserted into the water surface, the wire 6 is released, the wire 6 is prevented from being pulled tightly in the process of driving the detection probe 11 downwards, the use is facilitated, and meanwhile, the mutual fit of the limiting pulley 14 and the limiting groove 13 is guaranteed, and the stability of the up-down movement of the rack 10 is guaranteed.

The driving motor 23 is installed to the internal surface rear side of movable baffle 8, and driving motor 23 output driving gear 9 rear surface connection, and slide 4 upper surface right side is provided with the motor support, mutually support with driving motor 23, drives driving gear 9 through driving motor 23 and rotates, has made things convenient for the use, and the motor support has ensured driving motor 23's stability.

The protection box 1 lower surface is provided with a plurality of supporting legs 17, and supporting leg 17 lower surface mounting has universal wheel 18, is provided with reinforcing plate 19 between a plurality of supporting legs 17, and the central point of reinforcing plate 19 puts and is provided with screw rod 20, screw rod 20 and reinforcing plate 19 screw thread fit, and screw rod 20 upper end passes reinforcing plate 19 and is connected with rocking handle 21, has ensured the supporting effect of device through supporting leg 17, and the universal wheel 18 has made things convenient for the removal of device simultaneously, and reinforcing plate 19 has further improved the supporting effect of device bottom, rocking handle 21 and screw rod 20 mutually support, are convenient for fix the device.

The rear side of the upper surface of the protective box 1 is provided with a protective cover 22 through a hinge, and the outer side surface of the protective cover 22 is fixedly provided with a handle.

The front surface of the driven gear 7 is connected with a supporting plate 25 through a rotating shaft, the supporting plate 25 is fixed on the upper surface of the sliding plate 4, a reinforcing plate 26 is fixed on the front side of the inner surface of the movable baffle 8, the front surface of the driving gear 9 is in running fit with the reinforcing plate 26 through the rotating shaft, and the stability of the driven gear 7 and the driving gear 9 is ensured through the supporting plate 25 and the reinforcing plate 26.

The front side and the rear side of the upper surface of the sliding plate 4 are respectively provided with a fixed plate 24, the front end and the rear end of the winding roller 5 are respectively in running fit with the fixed plates 24 on the front side and the rear side, and the stability of the winding roller 5 is ensured through the fixed plates 24.

Working principle: in the use process of the Doppler flow meter, the device is moved to an operation place through the universal wheel 18, the rocking handle 21 is regulated, the screw rod 20 is driven to move downwards until the tip end of the screw rod 20 is inserted into the ground, the device is fixed on the water bank, the hydraulic rod 15 is driven to move, the sliding plate 4 is pushed to move outwards under the action of the connecting plate 16 and the sliding fit of the sliding plate 4 and the sliding groove 3 until the detection probe 11 moves to the position above the water surface, the driving motor 23 is driven to move, the driving gear 9 is driven to rotate, the detection probe 11 is driven to move downwards through the rack 10 under the meshing action of the driving gear 9, the driven gear 7 and the rack 10, the winding roller 5 is simultaneously rotated, the lead 6 is released, the lead 6 is prevented from being stretched, the detection probe 11 is pulled, the stable downward movement of the detection probe 11 is ensured, the spirit goes deep under the water, the measurement is implemented, and the measurement data is transmitted to the Doppler flow meter body 2;

when the driving gear 9 drives the rack 10 to move downwards, the limiting pulleys 14 are driven to roll in the limiting grooves 13 to limit the two sides of the rack 10, so that the stability of the up-and-down movement process of the rack 10 is ensured, and the use is greatly facilitated.

In the use process, the invention does not need to additionally install a fixing bracket, reduces the step of installing the fixing bracket, saves time and labor, greatly reduces the work load of staff, simultaneously does not need to hold the detection probe 11 by hands to go deep into water for measurement, greatly facilitates the whole carrying and fixing of the device, facilitates the use and improves the practicability of the device.

It should be further noted that, in the present invention, the hydraulic rod 15 and the driving motor 23 are all purchased from the market, and those skilled in the art only need to install and operate according to the attached instructions.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Doppler flowmeter, including protective housing (1) and Doppler flowmeter body (2), its characterized in that, doppler flowmeter body (2) set up in the inside left side of protective housing (1), spout (3) have been seted up to the inside bottom surface of protective housing (1), doppler flowmeter body (2) right side is provided with slide (4), just slide (4) lower surface is connected with the slider, with spout (3) sliding fit, slide (4) right surface is provided with movable baffle (8), with protective housing (1) right side opening mutually support, slide (4) upside is provided with wire winding roller (5), the rolling has wire (6) on wire winding roller (5), wire winding roller (5) front end is connected with driven gear (7) through the pivot, driven gear (7) right side meshing has driving gear (9), the logical groove has been seted up on movable baffle (8) surface, driving gear (9) right side is passed logical groove meshing and is had rack (10), detection probe (11) are installed to rack (10) lower extreme, wire winding roller (4) upper side is provided with wire winding roller (5), wire winding roller (5) front end is connected with movable baffle (8) right side (8) through the face of being connected with movable baffle (8), limiting grooves (13) are formed in the front surface and the rear surface of the rack (10), grooves are formed in the limiting frames (12), limiting pulleys (14) are installed in the grooves through rotation of rotating shafts, the limiting pulleys (14) are matched with the limiting grooves (13), mounting blocks are fixed on the right side of the lower surface of the protective box (1), hydraulic rods (15) are arranged on the right surface of the mounting blocks, connecting plates (16) are fixed on the lower surface of the movable baffle (8), and the telescopic ends of the hydraulic rods (15) are connected with the inner side surfaces of the connecting plates (16).

2. A doppler flow meter according to claim 1, characterised in that the lower surface of the protective housing (1) is provided with a number of support legs (17), the lower surface of the support legs (17) being provided with universal wheels (18).

3. The doppler flow meter according to claim 2, characterized in that a reinforcing plate (19) is arranged between several of the supporting legs (17), and a screw (20) is arranged in the center of the reinforcing plate (19), the screw (20) is in threaded engagement with the reinforcing plate (19), and the upper end of the screw (20) is connected with a crank (21) through the reinforcing plate (19).

4. A doppler flow meter according to claim 3, characterised in that the rear side of the upper surface of the protective housing (1) is fitted with a protective cover (22) by means of a hinge, and that the outer surface of the protective cover (22) is fixed with a handle.

5. The doppler flow meter according to claim 4, characterised in that the back side of the inner surface of the flapper (8) is fitted with a drive motor (23), and that the output of the drive motor (23) is connected with the back surface of the drive gear (9).

6. The doppler flow meter according to claim 5, wherein the front and rear sides of the upper surface of the sliding plate (4) are provided with fixing plates (24), and the front and rear ends of the winding roller (5) are respectively in rotational fit with the fixing plates (24) on the front and rear sides.

7. The doppler flow meter according to claim 6, characterized in that the front surface of the driven gear (7) is connected with a supporting plate (25) through a rotating shaft, the supporting plate (25) is fixed on the upper surface of the sliding plate (4), a reinforcing plate (26) is fixed on the front side of the inner surface of the movable baffle (8), and the front surface of the driving gear (9) is in rotating fit with the reinforcing plate (26) through the rotating shaft.

8. The doppler flow meter according to claim 7, characterised in that the upper surface right side of the slide plate (4) is provided with a motor support cooperating with a drive motor (23).