CN214702380U

CN214702380U - Portable ultrasonic wave open channel flowmeter

Info

Publication number: CN214702380U
Application number: CN202120588344.4U
Authority: CN
Inventors: 姚国敏; 李影; 郭庆芳
Original assignee: Harbin Weier Century Technology Development Co ltd
Current assignee: Harbin Weier Century Technology Development Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-11-12
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the technical field of environmental protection monitoring, in particular to a portable ultrasonic open channel flowmeter, which comprises a main box, a bracket, a working box and an operation panel, wherein the bracket is arranged below the main box, the middle part of the upper end of the main box is provided with a handle, the lower end of the bracket is provided with a pulley, the front end and the rear end of the main box are rotationally connected with the upper end of the bracket through a shaft, the front end of the bracket is provided with a pulling plate, the front end of the inner part of the bracket is provided with a spring, the rear end of the pulling plate is provided with an inserting rod, the pulling plate is slidably connected with the inner wall of the front end of the bracket, the inner part of the main box is provided with a rotating shaft, the rear end of the inner part of the main box is provided with a working motor, the front end and the rear end of the rotating shaft are both provided with gears, the utility model can conveniently carry and transfer the device through the combination of the rotatable main box and the bracket with the pulley, and can still adjust the height and the horizontal position through the movable ultrasonic probe after the bracket is installed and fixed, the operation is simple and practical.

Description

Portable ultrasonic wave open channel flowmeter

Technical Field

The utility model relates to an environmental protection monitoring technology field specifically is a portable ultrasonic wave open channel flowmeter.

Background

The open channel flowmeter is based on a flow velocity-water level operation method, adopts an advanced flow velocity measuring instrument and a water level measuring instrument, thereby ensuring the accuracy of speed measurement and operation, adopts a mathematical model of single-probe method or multi-probe method open channel flow measurement according to the requirements of channel width and measurement accuracy, adopts the working principle of the open channel flowmeter that the open channel technology is utilized, the liquid level height of fluid is measured, and the flow is obtained through the operation of a microprocessor in the instrument, because of non-contact measurement, the open channel flowmeter can be applied in a worse environment, the open channel flowmeter transmits and receives the open channel under the control of a microcomputer, the distance between the open channel flowmeter and the measured liquid level is calculated according to the transmission time, thereby determining the liquid level height, and because a certain proportional relation exists between the liquid level and the flow, the liquid flow open channel flowmeter system can be finally obtained according to the calculation formula, the flow measuring device is suitable for flow measurement of trapezoidal open channels and culverts such as reservoirs, rivers, hydraulic engineering, urban water supply, sewage treatment, farmland irrigation, water administration water resources and the like, and is a novel flow measuring device which is widely applied at present.

Most of open channel flow meters adopt ultrasonic waves as measuring media, most of the existing common open channel flow meters are inconvenient to carry, especially, the ultrasonic probe cannot be adjusted in position on the water surface once a support of the open channel flow meter is fixed during measurement, the position can be adjusted only by integrally moving the whole open channel flow meter device, most of the open channel flow meters are limited in function, flow measurement can only be carried out but sampling can not be carried out on a water source, and the open channel flow meters are inconvenient to carry out improvement in the actual use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable ultrasonic wave open channel flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a portable ultrasonic open channel flowmeter comprises a main box, a support, a working box and an operation panel, wherein the support is arranged below the main box, a handle is arranged in the middle of the upper end of the main box, pulleys are arranged at the lower end of the support, the front end and the rear end of the main box are rotatably connected with the upper end of the support through shafts, a pull plate is arranged at the front end of the support, a spring is arranged at the front end of the interior of the support, an inserted rod is arranged at the rear end of the pull plate, the pull plate is slidably connected with the inner wall of the front end of the support, a rotating shaft is arranged in the main box, a working motor is arranged at the rear end of the interior of the main box, gears are arranged at the front end and the rear end of the rotating shaft, a transmission shaft of the working motor is fixedly connected with the rotating shaft through a connecting key, a rack is arranged at the left end of the gear, the working box is arranged at the upper end of the middle of the support, the lower end of the rack is fixedly connected with the upper end of the working box, and the rack is connected with the gears in a meshed manner, the utility model discloses a portable ultrasonic generator, including work box, lead screw, electric telescopic handle, slider, lead screw rear end, electric telescopic handle, transmission shaft, ultrasonic receiver, ultrasonic probe, main case right side middle part is provided with operating panel, the work box inside is provided with the lead screw, the work box right-hand member is provided with electric telescopic handle, the lead screw middle part is provided with the slider, the lead screw rear end is provided with micro motor, the electric telescopic handle lower extreme is provided with three angle buckets, micro motor's transmission shaft passes through connecting key and lead screw rear end fixed connection, the slider right-hand member is provided with ultrasonic receiver, the slider lower extreme is provided with ultrasonic probe, main case right side middle part is provided with operating panel.

Preferably, the strip-shaped empty grooves are formed in the front end and the rear end of the lower portion of the main box, and the rack is connected with the inner wall of the lower end of the main box in a sliding mode through the strip-shaped empty grooves.

Preferably, the front end of the main box is provided with a circular empty groove, the inserted link is in sliding connection with the inner wall of the front end of the main box through the circular empty groove, and the rear end of the pulling plate is fixedly connected with the front end of the inserted link.

Preferably, the inside of the sliding block is in rolling connection with the lead screw through a ball, the sliding block is in sliding connection with the inner wall of the working box, and the upper end of the ultrasonic probe is fixedly connected with the lower end of the sliding block.

Preferably, the number of the electric telescopic rods is two, and the electric telescopic rods are symmetrically arranged at the front end and the rear end of the right side of the working box respectively.

Preferably, the number of the racks is two, and the two racks are respectively and symmetrically arranged at the front end and the rear end inside the main box.

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

1. the utility model discloses in, through the main tank and the support built-up connection that set up, in addition pulley and handle can be very convenient carry the transfer with the open channel flowmeter, through control arm-tie alright remove with driving the inserted bar to can accomplish the fixed and rotation of main tank and support, the work motor that sets up moreover utilizes the high position that rack and pinion can adjust the work box as power, easy operation is very practical.

2. The utility model discloses in, utilize lead screw and slider to drive ultrasonic transducer position adjustment on the surface of water as power through the micro motor that sets up, can still adjust the suitable surface of water of measurement position selection after the support mounting is fixed to can prevent the interference that the surface of water floater brought to ultrasonic detection, the triangular bucket who utilizes electronic expansion link control can also stretch into the aquatic in addition and take a sample, obviously enlarges the work usage of device, and it is very convenient that the operation is light.

Drawings

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

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is an expanded view of the main tank of FIG. 1 according to the present invention;

FIG. 4 is a top view of the main tank of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the structure of the pull plate shown in FIG. 2 according to the present invention;

fig. 6 is a schematic structural view of the working box of fig. 2 according to the present invention.

In the figure: 1-main box, 2-bracket, 3-work box, 4-pulley, 5-handle, 6-pulling plate, 7-operation panel, 8-electric telescopic rod, 9-triangular bucket, 10-rack, 11-gear, 12-rotating shaft, 13-work motor, 14-ultrasonic probe, 15-ultrasonic receiver, 16-micro motor, 17-lead screw, 18-slide block, 19-spring and 20-inserted rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a portable ultrasonic open channel flowmeter comprises a main box 1, a bracket 2, a working box 3 and an operation panel 7, wherein the bracket 2 is arranged below the main box 1, the middle part of the upper end of the main box 1 is provided with a handle 5, the lower end of the bracket 2 is provided with a pulley 4, the front end and the rear end of the main box 1 are both rotatably connected with the upper end of the bracket 2 through a shaft, the front end of the bracket 2 is provided with a pulling plate 6, the front end inside the bracket 2 is provided with a spring 19, the rear end of the pulling plate 6 is provided with an inserted link 20, the pulling plate 6 is slidably connected with the inner wall of the front end of the bracket 2, the main box 1 is internally provided with a rotating shaft 12, the rear end inside the main box 1 is provided with a working motor 13, the front end and the rear end of the rotating shaft 12 are both provided with gears 11, the transmission shaft of the working motor 13 is fixedly connected with the rotating shaft 12 through a connecting key, the left end of the gear 11 is provided with a rack 10, the upper end of the middle part of the bracket 2 is provided with the working box 3, the lower end of the rack 10 is fixedly connected with the upper end of the working box 3, rack 10 is connected with the meshing of gear 11, the inside lead screw 17 that is provided with of

work box

3, 3 right-hand members of work box are provided with electric telescopic handle 8, lead screw 17 middle part is provided with slider 18, the lead screw 17 rear end is provided with

micro motor

16, 8 lower extremes of electric telescopic handle are provided with triangular bucket 9, micro motor 16's transmission shaft passes through connecting key and lead screw 17 rear end fixed connection, slider 18 right-hand member is provided with

ultrasonic receiver

15, 18 lower extremes of slider are provided with

ultrasonic transducer

14, 1 right sides middle part of main box is provided with operating panel 7.

The front end and the rear end below the main box 1 are respectively provided with a strip-shaped empty groove, the rack 10 is connected with the inner wall of the lower end of the main box 1 in a sliding way through the strip-shaped empty groove, the rack 10 is convenient to move up and down, the front end of the main box 1 is provided with a circular empty groove, the inserted bar 20 is connected with the inner wall of the front end of the main box 1 in a sliding way through the circular empty groove, the rear end of the pull plate 6 is fixedly connected with the front end of the inserted bar 20, the inserted bar 20 is convenient to fix the main box 1, the inside of the slide block 18 is connected with the lead screw 17 in a rolling way through the ball, the slide block 18 is connected with the inner wall of the work box 3 in a sliding way, the upper end of the ultrasonic probe 14 is fixedly connected with the lower end of the slide block 18, the slide block 18 is convenient to drive the ultrasonic probe 14 to move, the two electric telescopic rods 8 are arranged, the two electric telescopic rods 8 are respectively and symmetrically arranged at the front end position and the rear end position on the right side of the work box 3 to be convenient to drive the triangular hopper 9 to carry out sampling operation, the two racks 10, and two racks 10 are respectively and symmetrically arranged at the front end and the rear end inside the main box 1, so that the working box 3 is conveniently driven to move up and down.

The working process is as follows: an operator can directly lift the whole open channel flowmeter to carry by holding the handle 5, or can directly push by holding the handle 5, the support can drive the main box 1 to move by using the pulley 4, the carrying and the transfer are very easy, after the open channel flowmeter is placed in a measurement area, the pulling plate 6 is pulled, the pulling plate 6 drives the inserting rod 20 to move, the pulling plate 6 compresses the spring 19 in the moving process, the inserting rod 20 can directly rotate with the main box 1 and the support 2 when leaving the circular slotted hole at the front end of the main box 1, after the support 2 is placed on the ground by turning ninety degrees, the pulling plate 6 is loosened, the pulling plate 6 drives the inserting rod 20 to move reversely under the action of the spring 19, the inserting rod 20 is inserted into the circular slotted hole at the front end of the main box 1 again, at the moment, the main box 1 is fixed again, then the operating motor 13 is started by using the operating panel 7, the transmission shaft of the operating motor 13 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the gear 11 to rotate, the gear 11 drives the rack 10 to move downwards, the rack 10 pushes the work box 3 to move downwards, the work motor 13 stops rotating and performs self-locking when reaching a proper height, then the micro motor 16 is started to rotate forwards, the transmission shaft of the micro motor 16 drives the lead screw 17 to rotate, the lead screw 17 drives the slide block 18 to move forwards, the slide block 18 drives the ultrasonic probe 14 to move forwards, when the micro motor 16 rotates backwards, the transmission shaft of the micro motor 16 drives the lead screw 17 to rotate backwards, the lead screw 17 drives the slide block 18 to move backwards, the slide block 18 drives the ultrasonic probe 14 to move backwards, by using the method, a proper measured water surface position can be selected according to actual conditions, then the ultrasonic probe 14 transmits ultrasonic waves, then the ultrasonic receiver 15 receives the reflected ultrasonic waves and transmits signals to the operation panel 7, and the data is displayed on the display screen on the surface of the operation panel 7 after the flow of an open channel in the operation panel 7 is calculated, when needing to sample the water source, 8 extensions of operating panel 7 control electric telescopic handle, electric telescopic handle 8 extensions promote three angular container 9 and stretch into below the surface of water, then electric telescopic handle 8 shortens and drives three angular container 9 rebound, and three angular container 9 are inside just to contain the water source sample of gathering, and easy operation is very convenient.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable ultrasonic wave open channel flowmeter, includes main tank (1), support (2), work box (3) and operating panel (7), its characterized in that: a support (2) is arranged below the main box (1), a handle (5) is arranged in the middle of the upper end of the main box (1), pulleys (4) are arranged at the lower end of the support (2), the front end and the rear end of the main box (1) are rotatably connected with the upper end of the support (2) through shafts, a pull plate (6) is arranged at the front end of the support (2), a spring (19) is arranged at the front end inside the support (2), an inserting rod (20) is arranged at the rear end of the pull plate (6), the pull plate (6) is slidably connected with the inner wall of the front end of the support (2), a rotating shaft (12) is arranged inside the main box (1), a working motor (13) is arranged at the rear end inside the main box (1), gears (11) are arranged at the front end and the rear end of the rotating shaft (12), a transmission shaft of the working motor (13) is fixedly connected with the rotating shaft (12) through a connecting key, and a rack (10) is arranged at the left end of the gear (11), the upper end of the middle part of the bracket (2) is provided with a working box (3), the lower end of the rack (10) is fixedly connected with the upper end of the working box (3), the rack (10) is meshed with the gear (11), a screw rod (17) is arranged in the working box (3), an electric telescopic rod (8) is arranged at the right end of the working box (3), a sliding block (18) is arranged in the middle of the lead screw (17), a micro motor (16) is arranged at the rear end of the lead screw (17), a triangular bucket (9) is arranged at the lower end of the electric telescopic rod (8), a transmission shaft of the micro motor (16) is fixedly connected with the rear end of the screw rod (17) through a connecting key, the ultrasonic wave receiver (15) is arranged at the right end of the sliding block (18), the ultrasonic probe (14) is arranged at the lower end of the sliding block (18), and the operation panel (7) is arranged in the middle of the right side of the main box (1).

2. The portable ultrasonic open channel flow meter of claim 1, wherein: the bar-shaped dead slot is formed in the front end and the rear end of the lower portion of the main box (1), and the rack (10) is connected with the inner wall of the lower end of the main box (1) in a sliding mode through the bar-shaped dead slot.

3. The portable ultrasonic open channel flow meter of claim 1, wherein: circular dead slot has been seted up to main case (1) front end, inserted bar (20) pass through circular dead slot and main case (1) front end inner wall sliding connection, arm-tie (6) rear end and inserted bar (20) front end fixed connection.

4. The portable ultrasonic open channel flow meter of claim 1, wherein: the inside ball and lead screw (17) roll connection that pass through of slider (18), slider (18) and work box (3) inner wall sliding connection, ultrasonic probe (14) upper end and slider (18) lower extreme fixed connection.

5. The portable ultrasonic open channel flow meter of claim 1, wherein: the number of the electric telescopic rods (8) is two, and the electric telescopic rods (8) are symmetrically arranged at the front end and the rear end of the right side of the working box (3) respectively.

6. The portable ultrasonic open channel flow meter of claim 1, wherein: the number of the racks (10) is two, and the two racks (10) are symmetrically arranged at the front end and the rear end inside the main box (1) respectively.