CN210981379U

CN210981379U - Open channel flowmeter

Info

Publication number: CN210981379U
Application number: CN201922135157.6U
Authority: CN
Inventors: 孙中一
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-10
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an open channel flowmeter, include: the device comprises a driving vehicle, a hydraulic cylinder fixed on the driving vehicle, a rotary flow meter fixed on a telescopic rod of the hydraulic cylinder, a rope retracting assembly fixed on the driving vehicle, a control box fixedly connected with the driving vehicle and a guide rail for driving the vehicle to move; receive the rope subassembly and include: the wire winding device comprises a positioning shell fixed on a driving vehicle, a wire winding disc rotatably arranged in the positioning shell, a connecting rod with one end matched with the wire winding disc, a guide rod hinged with the other end of the connecting rod and a spring for resetting the guide rod; a coil spring is fixed on the take-up reel; the take-up reel is provided with a plurality of tooth parts matched with the connecting rod. The utility model discloses a track and driving vehicle cooperation, the construction is simple and low in manufacturing cost, and suitable work place is selected to pneumatic cylinder and rotational flow velocity indicator cooperation pneumatic cylinder. And the hydraulic cylinder drives to descend and ascend, so that the precision is high and the labor cost is low.

Description

Open channel flowmeter

Technical Field

The utility model relates to a flowmeter especially relates to an open channel flowmeter.

Background

Measuring the water level and flow measuring mode of the water measuring weir; an ultrasonic flow measurement mode; hand-held propeller flow measurement modes and the like.

Measuring weir water level flow measurement mode: a water weir is arranged on the section of the canal, and the flow in the water weir is converted into the height of the water level. The flow is obtained by measuring the water level. Common water weirs include triangular weirs, rectangular weirs, Parshall tanks, and the like. The method is to measure the water level difference by changing the size and the shape of the cross section of the water channel. The civil engineering cost is large and the construction is troublesome.

Ultrasonic flow measurement mode: the working principle of the ultrasonic open channel flowmeter is an ultrasonic echo technology, and the flow is obtained by measuring the liquid level height of a flow groove (weir) and then calculating by a microprocessor in the instrument. The ultrasonic sensor transmits and receives ultrasonic waves under the control of a microcomputer, and the liquid level height is calculated; and calculating a formula according to the specified flow: the liquid flow rate can be obtained. The mode is greatly influenced by water quality and environment.

The handheld rotary propeller flow measurement mode is as follows: the accuracy is high, but the labor cost is too large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively solve above-mentioned technical problem's open channel flowmeter.

In order to achieve the purpose of the utility model, the following technical proposal is adopted: an open channel flow meter comprising: the device comprises a driving vehicle, a hydraulic cylinder fixed on the driving vehicle, a rotary flow meter fixed on a telescopic rod of the hydraulic cylinder, a rope retracting assembly fixed on the driving vehicle, a control box fixedly connected with the driving vehicle and a guide rail for driving the vehicle to move; the receipts rope subassembly includes: the wire winding device comprises a positioning shell fixed on a driving vehicle, a wire winding disc rotatably arranged in the positioning shell, a connecting rod with one end matched with the wire winding disc, a guide rod hinged with the other end of the connecting rod and a spring for resetting the guide rod; a coil spring is fixed on the take-up reel; the take-up reel is provided with a plurality of tooth parts matched with the connecting rod.

Preferably, a solar panel is fixed on the driving vehicle; and the control box is fixedly provided with a storage battery connected with the solar panel.

Preferably, a driving motor is fixed on the lower surface of the driving vehicle, a plurality of moving wheels are fixed at the bottom of the driving vehicle, a driven wheel is coaxially fixed on one of the moving wheels, and the driven wheel is matched with the driving motor.

Preferably, the guide rod is provided with a matching part passing through the driving vehicle and the positioning shell, and the rotary current meter is provided with a driving part matched with the matching part.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. Through track and driving vehicle cooperation, the construction is simple and low in manufacturing cost, and suitable work place is selected to pneumatic cylinder and rotational flow rate appearance cooperation pneumatic cylinder, and the influence that the rotation type velocity meter received the water quality environment is little. And the hydraulic cylinder drives to descend and ascend, so that the precision is high and the labor cost is low. The rope winding assembly is convenient for controlling the exposed length of the power line, reduces the possibility that the power line is hung upside down on waterweeds, and improves the safety in the working process.

2. Through solar panel and battery cooperation, guarantee the electric quantity in the open channel flowmeter use.

3. Through cooperation portion and drive division cooperation, realize automatic receipts rope, reduce the output of manpower and material resources.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below.

Fig. 1 is a schematic view of the overall structure of an open channel flowmeter according to an embodiment of the present invention;

Fig. 2 is a partial internal schematic view of an open channel flowmeter according to an embodiment of the present invention;

Fig. 3 is an enlarged view of the open channel flowmeter according to the embodiment of the present invention.

Description of the figures

1. The device comprises a driving vehicle 2, a hydraulic cylinder 3, a rotary flow velocity meter 4, a control box 5, a guide rail 6, a positioning shell 7, a take-up reel 8, a connecting rod 9, a spring 10, a tooth part 11, a solar panel 12, a storage battery 13, a driving motor 14, a moving wheel 15, a driven wheel 16, a matching part 17, a driving part 19 and a guide rod.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, an open channel flow meter includes: the driving device comprises a driving vehicle 1, wherein four moving wheels 14 are fixed on the lower surface of the driving vehicle 1, a guide rail 5 for the moving wheels 14 to move is arranged below the driving vehicle 1, and the moving wheels 14 drive the driving vehicle 1 to move along the length direction of the guide rail 5.

One of the moving wheels 14 is coaxially fixed with a driven wheel 15, the lower surface of the driving vehicle 1 is fixed with a driving motor 13, and the driving motor 13 is matched with the driven wheel 15 to drive the driving vehicle 1 to move forwards and backwards along the length direction of the guide rail 5.

The upper surface of the driving vehicle 1 is fixed with a hydraulic cylinder 2, a telescopic rod of the hydraulic cylinder 2 penetrates through the driving vehicle 1 and extends to the lower surface of the driving vehicle 1, and a rotary current meter 3 is fixedly connected with the lower surface of the driving vehicle 1, and the telescopic rod of the hydraulic cylinder 2 drives the rotary current meter 3 to move to a proper working place.

The upper surface of the driving vehicle 1 is fixed with a control box 4, and the control box 4 is used for controlling the movement distance of the driving motor 13 along the guide rail 5, controlling the extending distance of the telescopic rod of the hydraulic cylinder 2 and collecting and recording the data tested by the rotating current meter 3.

As shown in fig. 2 and 3, a rope retracting assembly is fixed on the upper surface of the driving vehicle 1, and the rope retracting assembly includes: the winding device comprises a positioning shell 6 fixed on the upper surface of the driving vehicle 1, a winding disc 7 is arranged in the positioning shell 6 in a rotating mode, a coil spring is fixed on the winding disc 7, and the coil spring is used for driving the winding disc 7 to reset.

A connecting rod 8 is rotationally matched in the positioning shell 6, the middle end of the connecting rod 8 is rotationally matched with the positioning shell 6, the take-up reel 7 is provided with a plurality of tooth parts 10 matched with one end of the connecting rod 8, the other end of the connecting rod 8 is hinged with a guide rod 19, the guide rod 19 penetrates through the positioning shell 6 and the driving vehicle 1 to be provided with a matching part 16, and the rotary current meter 3 is provided with a driving part 17 matched with the matching part 16.

The take-up reel 7 is wound with a power line, and the power line penetrates through the positioning shell 6 and the driving vehicle 1 to be fixedly connected with the rotary current meter 3. A spring 9 is arranged between the guide rod 19 and the positioning shell 6, and the spring 9 is used for resetting the guide rod 19. The guide rod 19 compresses the spring 9 upward and rotates the link 8 about the middle end.

A solar panel 11 is fixed on the driving vehicle 1, a storage battery 12 connected with the solar panel 11 is fixed on the control box 4, and the storage battery 12 is used for supplying power to the control box 4, the driving motor 13, the hydraulic cylinder 2 and the rotating flow rate meter 3.

As shown in fig. 1 to 3, in operation, the control box 4 gives an electric signal to the driving motor 13, the driving motor 13 rotates to drive the driven wheel 15 to rotate, and the driven wheel 15 drives the driving vehicle 1 to move along the length direction of the guide rail 5.

When the driving vehicle 1 moves to a working place, the control box 4 gives the hydraulic cylinder 2 an electric signal, the hydraulic cylinder 2 drives the rotating current meter 3 to move downwards, the power line moves downwards along with the rotating current meter 3, the take-up reel 7 rotates along the direction B to the direction C, and meanwhile, the connecting rod 8 is continuously separated from the tooth part 10.

When the rotary current meter 3 descends to a working place, the tension of the coil spring is smaller than the elastic force of the spring 9, the connecting rod 8 is matched with the tooth part 10 to realize locking, the take-up reel 7 cannot move, and the power line is prevented from being in a pulled state for a long time.

After the work is finished, the hydraulic cylinder 2 drives the rotating current meter 3 to move upwards, the power line is still in a loose state and is not wound on the take-up reel 7, when the matching part 16 is matched with the driving part 17, the guide rod 19 moves upwards to drive the spring 9 to compress, the connecting rod 8 rotates around the middle end, the connecting rod 8 is separated from the tooth part 10, the take-up reel 7 is separated from a locking state, and the take-up reel 7 rotates along the direction C to the direction B to wind and collect the power line.

The driving motor 13 drives the driving vehicle 1 to return to the initial position, the system is powered off, and the system enters a standby state.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Claims

1. An open channel flow meter, comprising: the device comprises a driving vehicle, a hydraulic cylinder fixed on the driving vehicle, a rotary flow meter fixed on a telescopic rod of the hydraulic cylinder, a rope retracting assembly fixed on the driving vehicle, a control box fixedly connected with the driving vehicle and a guide rail for driving the vehicle to move; the receipts rope subassembly includes: the wire winding device comprises a positioning shell fixed on a driving vehicle, a wire winding disc rotatably arranged in the positioning shell, a connecting rod with one end matched with the wire winding disc, a guide rod hinged with the other end of the connecting rod and a spring for resetting the guide rod; a coil spring is fixed on the take-up reel; the take-up reel is provided with a plurality of tooth parts matched with the connecting rod.

2. The open channel flow meter of claim 1, wherein a solar panel is affixed to the drive vehicle; and the control box is fixedly provided with a storage battery connected with the solar panel.

3. The open channel flowmeter of claim 1, wherein a drive motor is fixed to a lower surface of the drive vehicle, and a plurality of movable wheels are fixed to a bottom of the drive vehicle, wherein a driven wheel is coaxially fixed to one of the movable wheels, and the driven wheel is engaged with the drive motor.

4. The open channel flow meter of claim 1, wherein the guide rod is provided with an engaging portion through the drive block and the positioning housing, and the rotational flow meter is provided with a drive portion engaging with the engaging portion.