CN219013819U

CN219013819U - Water flow velocimeter

Info

Publication number: CN219013819U
Application number: CN202223514316.1U
Authority: CN
Inventors: 李小牛; 郭文聪
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-12
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a water flow velocimeter, which comprises a slide box and a velocimeter probe, wherein one side of the slide box is provided with a sleeve rod, the sleeve rod is connected with a slide rod in a sliding manner, the velocimeter probe is arranged at one end of the slide rod, a protection mechanism for protecting the velocimeter probe when entering a deepwater area is arranged on the slide rod, the protection mechanism comprises a mounting plate arranged on the slide rod, the mounting plate is provided with a mounting mechanism for mounting the slide rod, one side of the mounting plate, which is close to the velocimeter probe, is provided with two fixing plates which are symmetrically arranged, the other sides of the two fixing plates are provided with connecting plates, and the other sides of the two connecting plates are provided with protection plates. According to the utility model, through the arrangement of the protection mechanism, the speed measuring probe 104 is prevented from being propped against stones in the river or abnormal raised parts at the bottom of the river, so that the speed measuring probe 104 is prevented from being damaged, and the smooth operation of river flow rate measurement is ensured.

Description

Water flow velocimeter

Technical Field

The utility model relates to the technical field of hydrologic monitoring, in particular to a water flow velocimeter.

Background

River hydrologic monitoring mainly comprises monitoring contents such as flow rate, water level, flow rate and the like, wherein the most important monitoring index is river flow rate. The water flow velocimeter is the most common device in hydrologic monitoring, and can measure the flow velocity of water bodies such as rivers, open channels and the like.

When measuring the flow velocity of a river, the flow velocity of water flows with different depths at different positions on the same section is often required to be measured, so that the hydrologic information of the river can be comprehensively known.

The patent number CN210128981U is compared, and the water flow velocimeter drives the velocity measuring probe to move in a river through the arrangement of the first motor and the second motor so as to realize the flow velocity measurement of different water level depths at the same measuring point.

According to the water flow velocimeter, when the velocimeter probe descends to the deep water level, due to the fact that stones or abnormal protrusions at the bottom of the river possibly exist in the river, the velocimeter probe can touch the stones or abnormal protrusions at the bottom of the river in the descending process of the velocimeter probe, so that the velocimeter probe is damaged, and the detection of water flow velocimeter is affected.

There is therefore a need for a water flow velocimeter to solve the above problems.

Disclosure of Invention

The utility model aims to provide a water flow velocimeter so as to solve the problem that the velocimeter probe provided in the background art lacks protection in the descending process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the water flow velocimeter comprises a sliding box and a velocimeter probe, wherein a sleeve rod is arranged on one side of the sliding box, a sliding rod is connected to the sleeve rod in a sliding manner, the velocimeter probe is arranged at one end of the sliding rod, and a protection mechanism for protecting the velocimeter probe when entering a deepwater area is arranged on the sliding rod;

the protection mechanism comprises a mounting plate arranged on the sliding rod, the mounting plate is provided with a mounting mechanism used for mounting the mounting plate with the sliding rod, one side, close to the speed measuring probe, of the mounting plate is provided with two fixing plates which are arranged symmetrically, two sides of the fixing plates are provided with connecting plates, the other sides of the two connecting plates are provided with protection plates, the protection plates are located below the speed measuring probe, and the fixing plates are provided with alarm mechanisms used for giving an alarm when the protection plates touch foreign matters.

The alarm mechanism comprises a mounting groove formed in the fixing plate, one end of the connecting plate is slidably connected in the mounting groove, a proximity switch is arranged on the bottom wall of the mounting groove, and a reset assembly used for resetting the connecting plate is arranged in the mounting groove.

The upper end of the sliding box is provided with an alarm lamp and a controller, and the controller is electrically connected with the alarm lamp and the proximity switch.

The protection plate is provided with a plurality of filtering holes, and each filtering hole is arranged in a rectangular array.

The reset assembly comprises two reset pipes fixedly connected to the bottom wall of the mounting groove, the two reset pipes are located on two sides of the proximity switch, the two reset pipes are connected with reset rods in a sliding mode, one ends of the two reset rods are connected with the connecting plate, springs are sleeved on the two reset pipes, and two ends of the springs are connected with the bottom wall of the mounting groove and the connecting plate respectively.

The installation mechanism comprises an installation hole which is formed in the installation plate, one side, away from the speed measuring probe, of the installation hole is provided with an installation tube, two threaded rods which are symmetrically arranged are connected to the installation tube in a threaded mode, one end, opposite to the threaded rods, of each threaded rod is provided with a rubber pad, and one end, away from each other, of each threaded rod is provided with a rotating disc.

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

according to the utility model, through the arrangement of the protection mechanism, under the alarm action of the alarm mechanism, when the protection plate is propped against the stone or the abnormal bulge part at the bottom of the river, the alarm lamp continuously flashes and beeps, so that a detector is prompted, the abnormal bulge part exists at the stone or the bottom of the river below the speed measuring probe, the speed measuring probe is not suitable to be continuously lowered, the measuring point is required to be replaced again, the damage of the speed measuring probe is avoided, and the smooth performance of the river flow speed measuring work is ensured.

Drawings

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

FIG. 2 is a schematic structural view of the protection mechanism of the present utility model;

fig. 3 is a schematic diagram of the internal structure of the reset device of the present utility model.

In the figure: 101. a slide box; 102. a loop bar; 103. a slide bar; 104. a speed measuring probe; 201. a mounting plate; 202. a fixing plate; 203. a connecting plate; 204. a protection plate; 301. a mounting groove; 302. a proximity switch; 401. an alarm lamp; 402. a controller; 5. filtering holes; 601. a reset tube; 602. a reset lever; 603. a spring; 701. a mounting hole; 702. installing a pipe; 703. a threaded rod; 704. and rotating the disc.

Detailed Description

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

Referring to fig. 1-3, the water flow velocimeter provided by the utility model comprises a slide box 101 and a velocimeter probe 104, wherein a loop bar 102 is arranged on one side of the slide box 101, a slide bar 103 is connected to the loop bar 102 in a sliding way, the velocimeter probe 104 is arranged at one end of the slide bar 103, and a protection mechanism for protecting the velocimeter probe 104 when entering a deepwater area is arranged on the slide bar 103;

the protection mechanism comprises a mounting plate 201 arranged on the slide bar 103, the mounting plate 201 is provided with a mounting mechanism for mounting the slide bar 103, one side of the mounting plate 201, which is close to the speed measuring probe 104, is provided with two mutually symmetrically arranged fixing plates 202, the other side of the two fixing plates 202 is provided with a connecting plate 203, the other side of the two connecting plates 203 is provided with a protection plate 204, the protection plate 204 is positioned below the speed measuring probe 104, and the two fixing plates 202 are provided with an alarm mechanism for giving an alarm when the protection plate 204 touches a foreign matter;

what needs to be explained here is: through the setting of protection machanism, avoid the speed measurement probe 104 to offset with the stone or the unusual protruding position in river bottom in the river to prevented the damage of speed measurement probe 104, ensured going on smoothly to river flow rate measurement work.

What needs to be explained here is: for a specific operation of river flow rate detection, refer to a water flow velocimeter of patent number CN210128981U, and no extra details are given here.

The alarm mechanism comprises a mounting groove 301 arranged on the fixed plate 202, one end of the connecting plate 203 is connected in the mounting groove 301 in a sliding way, a proximity switch 302 is arranged on the bottom wall of the mounting groove 301, and a reset component for resetting the connecting plate 203 is arranged in the mounting groove 301;

what needs to be explained here is: through the setting of alarm mechanism, when guard plate 204 offsets with the stone or the unusual protruding position in river bottom in the river, will make alarm lamp 401 constantly twinkle, concurs the department beeping to the suggestion inspector, there is stone or river bottom to have unusual protruding position in the below of speed measuring probe 104.

The upper end of the slide box 101 is provided with an alarm lamp 401 and a controller 402, and the controller 402 is electrically connected with the alarm lamp 401 and the proximity switch 302;

what needs to be explained here is: through the setting of controller 402, be convenient for receive the signal of telecommunication that proximity switch 302 sent, through the setting of alarm lamp 401, be convenient for send flashing light and beep, carry out the suggestion to the inspector.

The protection plate 204 is provided with a plurality of filtering holes 5, and each filtering hole 5 is arranged in a rectangular array;

what needs to be explained here is: through the setting of filtration pore 5, filter the floater in the aquatic, prevent that the floater from wrapping up the probe 104 that tests the speed, influenced the velocity of flow survey of probe 104.

The reset assembly comprises two reset pipes 601 fixedly connected to the bottom wall of the mounting groove 301, the two reset pipes 601 are positioned on two sides of the proximity switch 302, reset rods 602 are connected to the two reset pipes 601 in a sliding manner, one ends of the two reset rods 602 are connected with the connecting plate 203, springs 603 are sleeved on the two reset pipes 601, and two ends of the two springs 603 are respectively connected with the bottom wall of the mounting groove 301 and the connecting plate 203;

what needs to be explained here is: through the setting of subassembly that resets, when upwards removing the probe 104 that tests the speed for guard plate 204 no longer offsets with the stone in the river or the unusual protruding position in river bottom, the connecting plate 203 resets under the elastic force of spring 603, breaks away from proximity switch 302's detection range, thereby makes alarm lamp 401 no longer twinkle and makes the beeping.

The mounting mechanism comprises a mounting hole 701 formed in the mounting plate 201, a mounting pipe 702 is arranged on one side, away from the speed measuring probe 104, of the mounting hole 701, two threaded rods 703 which are symmetrically arranged are connected to the mounting pipe 702 in a threaded manner, rubber pads are arranged at the opposite ends of the two threaded rods 703, and a rotating disc 704 is arranged at the end, away from each other, of the two threaded rods 703;

what needs to be explained here is: through the setting of installation mechanism, be convenient for install and dismantle protection machanism, conveniently maintain and maintain.

Working principle: when the speed measurement is required to be carried out on water flows with different water depths on the same section of a river, firstly, a mounting tube 702 on a mounting plate 201 is sleeved on the side wall of a slide bar 103, and then two rotating plates 704 are rotated to enable one ends of two threaded rods 703 to prop against the side wall of the slide bar 103, so that the mounting plate 201 is mounted on the side wall of the slide bar 103;

after the mounting plate 201 is mounted on the side wall of the slide bar 103, under the driving action of the slide bar 103, the speed measurement probe 104 moves to the water surface and performs flow velocity measurement at different water depths, when the speed measurement probe 104 continuously moves to a deepwater area, when the protection plate 204 is propped against stones or abnormal convex parts at the bottom of a river in the river, the connection plate 203 on the protection plate 204 is pushed to slide into the mounting groove 301, when the moving distance of the connection plate 203 reaches the detection range of the proximity switch 302, the proximity switch 302 sends an electric signal to the controller 402, the controller 402 continuously flashes the alarm lamp 401 and beeps after receiving the electric signal close to the switch 302, thereby prompting detection personnel that the abnormal convex parts exist below the speed measurement probe 104, and the speed measurement probe 104 is not easy to continuously descend any more, so that the measurement point needs to be replaced again, thereby avoiding the damage of the speed measurement probe 104, and ensuring the smooth performance of the river flow velocity measurement.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rivers tachometer, includes slide case (101) and speed measuring probe (104), one side of slide case (101) is equipped with loop bar (102), sliding connection has slide bar (103) on loop bar (102), speed measuring probe (104) set up the one end at slide bar (103), its characterized in that: the slide bar (103) is provided with a protection mechanism for protecting the speed measuring probe (104) when entering a deepwater zone;

the protection mechanism comprises a mounting plate (201) arranged on a sliding rod (103), the mounting plate (201) is provided with a mounting mechanism used for mounting the sliding rod (103), one side, close to a speed measuring probe (104), of the mounting plate (201) is provided with two fixing plates (202) which are symmetrically arranged, the other side of each fixing plate (202) is provided with a connecting plate (203), the other sides of the two connecting plates (203) are provided with protection plates (204), the protection plates (204) are located below the speed measuring probe (104), and the two fixing plates (202) are provided with alarm mechanisms used for alarming when the protection plates (204) touch foreign matters.

2. The water flow velocimeter of claim 1, wherein: the alarm mechanism comprises a mounting groove (301) formed in the fixing plate (202), one end of the connecting plate (203) is slidably connected in the mounting groove (301), a proximity switch (302) is arranged on the bottom wall of the mounting groove (301), and a reset assembly used for resetting the connecting plate (203) is arranged in the mounting groove (301).

3. The water flow velocimeter of claim 2, wherein: the upper end of the sliding box (101) is provided with an alarm lamp (401) and a controller (402), and the controller (402) is electrically connected with the alarm lamp (401) and the proximity switch (302).

4. The water flow velocimeter of claim 1, wherein: a plurality of filter holes (5) are formed in the protection plate (204), and the filter holes (5) are arranged in a rectangular array.

5. The water flow velocimeter of claim 2, wherein: the reset assembly comprises two reset pipes (601) fixedly connected to the bottom wall of the mounting groove (301), the two reset pipes (601) are located on two sides of the proximity switch (302), reset rods (602) are connected to the reset pipes (601) in a sliding mode, one ends of the reset rods (602) are connected with the connecting plate (203), springs (603) are sleeved on the reset pipes (601), and two ends of the springs (603) are connected with the bottom wall of the mounting groove (301) and the connecting plate (203) respectively.

6. The water flow velocimeter of claim 1, wherein: the installation mechanism comprises an installation hole (701) formed in an installation plate (201), one side, away from a speed measuring probe (104), of the installation hole (701) is provided with an installation pipe (702), two threaded rods (703) which are symmetrically arranged are connected to the installation pipe (702) in a threaded mode, one ends, opposite to the threaded rods (703), of the threaded rods (703) are provided with rubber pads, and one ends, away from each other, of the threaded rods (703) are provided with rotating discs (704).