CN217505907U - Flow direction and flow velocity detection device for hydraulic engineering - Google Patents

Abstract

The utility model relates to a hydraulic engineering field especially relates to a flow direction and velocity of flow detection device for hydraulic engineering, including velocity of flow detection mechanism, flow direction detection mechanism, support body, controller, the velocity of flow detection mechanism includes transparent pipe body, a water inlet cylinder, spheroid, and transparent pipe body and water inlet cylinder intercommunication, spheroid can move along transparent pipe body; the flow direction detection mechanism comprises a connecting plate, a measuring rod and a detection mark, the connecting plate is fixedly connected with the transparent tube body, the measuring rod vertically and rotatably penetrates through the connecting plate, the detection mark is fixedly connected to the bottom of the measuring rod, a separation blade is arranged at the upper end of the measuring rod, a sensor is arranged on the connecting plate, and when the extension direction of the detection mark when the detection mark is placed into running water is consistent with the running water direction and is parallel to the axial direction of the water inlet cylinder, the separation blade triggers the sensor; the frame body comprises a support piece and a connecting rod which is rotatably connected with the support piece, and the connecting rod is vertically connected with the water inlet cylinder; the controller is connected with the sensor and can monitor the flow direction and the flow speed of the river in real time.

Description

Flow direction and flow velocity detection device for hydraulic engineering

Technical Field

The utility model relates to a hydraulic engineering technical field especially relates to a flow direction and velocity of flow detection device for hydraulic engineering.

Background

In order to visually detect the river flow velocity, in patent document (CN202020653844.7), a flow velocity detection device for water conservancy engineering is disclosed, which uses the impact of river water on a small ball in a transparent pipe to determine the flow velocity of a river according to the moving distance of the small ball in the pipe. However, when the flow velocity detection device detects the flow velocity of a river, the water inlet cylinder can only be right aligned with the flow direction of the river according to the conventional recognition of the flow direction of the river by an installer, and further, the condition that the flow direction of the water inlet cylinder is not aligned with the flow direction of the river may occur, so that the detection data of the flow velocity is influenced. Therefore, a detection device for detecting the river flow direction and the flow velocity simultaneously is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a flow direction velocity of flow detection device for hydraulic engineering, detection device can monitor the flow direction, the velocity of flow of river in real time, and flow direction detection mechanism can make the more concrete flow direction of river of monitoring personnel, and then adjusts the velocity of flow detection mechanism, makes the opening and the flow direction of a section of thick bamboo set up relatively, has reduced the inlet cylinder side and has blockked the thing of the velocity of flow of rivers and take place, has increased the rate of accuracy that the velocity of flow detection mechanism detected the velocity of flow of river.

In order to solve the technical problem, the utility model provides a flow direction and flow velocity detection device for hydraulic engineering, which comprises a flow velocity detection mechanism, a flow direction detection mechanism, a frame body and a controller, wherein the flow velocity detection mechanism comprises a transparent pipe body, a water inlet cylinder and a ball body, the transparent pipe body is communicated with the water inlet cylinder, and the ball body can move along the transparent pipe body; the flow direction detection mechanism comprises a connecting plate, a measuring rod and a detection mark, the connecting plate is fixedly connected with the transparent pipe body, the measuring rod vertically and rotatably penetrates through the connecting plate, the detection mark is fixedly connected to the bottom of the measuring rod, a separation blade is arranged at the upper end of the measuring rod, a sensor is arranged on the connecting plate, the detection mark is arranged in such a way that the extending direction of the detection mark when the detection mark is placed in running water is consistent with the running water direction, and when the extending direction of the detection mark is parallel to the axial direction of the water inlet cylinder, the separation blade triggers the sensor; the frame body comprises a support piece and a connecting rod which is rotatably connected with the support piece, and the connecting rod is vertically connected with the water inlet cylinder; the controller is connected with the sensor.

Further, the detection mark is a detection plate vertically arranged.

Further, the detection mark is wedge-shaped.

Further, the sensor is a proximity switch.

Furthermore, the flow direction detection mechanism also comprises an indicator light arranged on the connecting plate, and the indicator light and the proximity switch are connected in series to a circuit.

Furthermore, the separation blade is made of plastic, and a metal sheet is arranged at the opposite end of the connection between the separation blade and the measuring rod.

Furthermore, the connecting plate is provided with a sliding groove, and the proximity switch can move along the sliding groove.

Further, the spout side is equipped with the through-hole, and the bolt passes through-hole and proximity switch butt, and bolt and proximity switch butt end are equipped with the elasticity piece.

Further, the frame body further comprises a fixing piece, and the supporting piece is connected with the connecting rod through the fixing piece.

Further, the fixing member includes: the friction discs are connected with the connecting rod in a sleeved mode, the upper end friction disc is connected with the supporting piece in a sleeved mode, the lower end friction disc is fixedly connected with the connecting rod, and the friction discs are abutted in the vertical direction; electric telescopic handle links together with upper end friction disk and support piece, and electric telescopic handle drives upper end friction disk and takes place vertical removal along support piece.

The utility model has the advantages that the detection device of the utility model can simultaneously detect the flow speed and the flow direction of the river, and monitoring personnel can judge the detection condition of the flow direction of the river according to the light and shade condition of the indicator light; through adjusting the flow rate detection mechanism, the axial direction of the water inlet cylinder is consistent with the extension direction of the detection target, namely the opening direction of the water inlet cylinder can be just opposite to the flow direction of a river, the occurrence of the phenomenon that the side edge of the water inlet cylinder blocks the flow rate of water flow is reduced, and the accuracy of flow rate detection is improved.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic front view of the flow direction and flow velocity detection device of the present invention;

fig. 2 is a schematic top view of an embodiment of the flow direction and flow velocity detection device of the present invention;

fig. 3 is a schematic view of an installation structure of the proximity switch at the connection board according to an embodiment of the present invention.

Wherein: 1. a flow rate detection mechanism; 101. a transparent tube body; 102. a water inlet cylinder; 103. a sphere; 2. a flow direction detection mechanism; 201. a connecting plate; 202. a measuring rod; 203. detecting a target; 3. a frame body; 301. a support member; 302. a connecting rod; 4. a controller; 5. a baffle plate; 6. a sensor; 7. an indicator light; 8. a chute; 9. a through hole; 10. a bolt; 11. an elastic block; 12. a fixing member; 13. friction disc, 14, electric telescopic rod.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example with reference to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. 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 utility model discloses, as shown in fig. 1-3, a flow direction and flow velocity detection device for hydraulic engineering is provided, which comprises a flow velocity detection mechanism 1, a flow direction detection mechanism 2, a frame body 3 and a controller 4, wherein the flow velocity detection mechanism 1 comprises a transparent tube body 101, a water inlet cylinder 102 and a sphere 103, the transparent tube body 101 is communicated with the water inlet cylinder 102, and the sphere 103 can move along the transparent tube body 101; the flow direction detection mechanism 2 comprises a connecting plate 201, a measuring rod 202 and a detection mark 203, the connecting plate 201 is fixedly connected with the transparent tube body 101, the measuring rod 202 vertically and rotatably penetrates through the connecting plate 201, the detection mark 203 is fixedly connected to the bottom of the measuring rod 202, a separation blade 5 is arranged at the upper end of the measuring rod 202, a sensor 6 is arranged on the connecting plate 201, the detection mark 203 is arranged in such a way that the extension direction of the detection mark 203 when the detection mark 203 is placed into running water is consistent with the running water direction, and when the extension direction of the detection mark 203 is parallel to the axial direction of the water inlet tube 102, the separation blade 5 triggers the sensor 6; the frame body 3 comprises a support member 301 and a connecting rod 302 which is rotatably connected with the support member 301, and the connecting rod 302 is vertically connected with the water inlet cylinder 102; the controller 4 is connected to a sensor 6.

The utility model discloses an among the flow direction and the velocity of flow detection device, support piece 301 of support body 3 is used for hanging detection device and fixes to the both sides of river, flow direction detection mechanism 2's connecting plate 201 fixed mounting is to the transparent tube body 101 of velocity of flow detection device, detect the one end that mark 203 connects at measuring stick 202, the upper end of measuring stick 202 is equipped with separation blade 5, when detecting mark 203 and taking place relative rotation, separation blade 5 also can be along with it relative change in the position on connecting plate 201, connecting rod 302 links together detection mechanism among the detection device and support piece 301 in addition.

The monitoring personnel will the utility model discloses a flow direction and velocity of flow detection device assembles the back, and the extending direction that detects mark 203 is parallel with the axis direction of an inlet cylinder 102, and separation blade 5 trigger sensor 6 is fixed two banks to the river with support piece 301, and the detection mark 203 and the flow direction detection mechanism 2 of velocity of flow detection mechanism 1 contact with water after, and the monitoring personnel can judge out the concrete flow direction of river according to flow direction detection mechanism 2. The method specifically comprises the following steps: the monitoring personnel place the detection target 203 of the detection device in water, if the flowing direction of the river water is different from the extending direction of the detection target 203, the detection target 203 can move relatively along with the flowing water of the river water under the resistance of the flowing water, so that the extending direction of the detection target 203 is consistent with the flowing direction of the flowing water. Because the detection mark 203 rotates relatively in the water flow, the position of the baffle 5 on the connecting plate 201 changes relatively therewith; the monitoring personnel rotate the flow rate detection mechanism 1 according to the relative change of the angle of the baffle 5 on the connecting plate 201, and in the adjustment process of the flow rate detection mechanism 1, the connecting plate 201 connected to the transparent tube body 101 moves along with the flow rate detection mechanism, and the sensor 6 on the baffle 5 and the connecting plate 201 also changes. When the separation blade 5 contacts with the sensor 6, the controller 4 sends out information, and the monitoring personnel know that the extending direction of the detection mark 203 is parallel to the axial direction of the water inlet cylinder 102 according to the signal sent out by the controller 4, and at the moment, the extending direction of the opening of the water inlet cylinder 102 is parallel to the water flow direction.

The flow direction detection mechanism 2 can enable monitoring personnel to judge the flow direction condition of the river more clearly, the monitoring personnel can adjust the flow speed detection mechanism 1 according to the flow direction condition detected by the flow direction detection mechanism 2, the extending direction of the opening of the water inlet cylinder 102 is parallel to the flow direction of the river water, and liquid entering the water inlet cylinder 102 can drive the ball 103 in the transparent tube body 101 to move under the impact of the river water, so that the phenomenon that the side edge of the water inlet cylinder 102 blocks the water flow is reduced, and the accuracy of the flow speed detection mechanism 1 in river flow speed detection is increased; in addition, if the direction of river changes, the signal of controller 4 also can change, monitoring personnel only need adjust the velocity of flow detection mechanism 1 can, the utility model discloses a flow direction and velocity of flow detection device can monitor the flow direction, the velocity of flow of river in real time.

The problem of how the flow velocity detection means 1 detects the flow velocity of river water is described in detail in patent document CN202020653844.7, and therefore, the description thereof is not repeated.

In a preferred embodiment, the detection mark 203 is a detection board arranged vertically. As shown in fig. 1, the utility model discloses a flow direction and velocity of flow detection device detects the flow direction that mark 203 detected out the river for simple quick utilization, detects the pick-up plate that mark 203 is vertical setting. The detection plate is placed into a river by a monitoring person, the river applies different pressures to all positions of the same horizontal line of the detection plate, and the detection plate can rotate relatively along with the pressure change of the river, so that the pressure applied to the side edge of the detection plate in water is the minimum. With the change of the water flow direction, the detection plate is changed along with the change of the water flow direction, and the baffle 5 at the upper end of the measuring rod 202 rotates along with the change of the water flow direction. The vertical setting of pick-up plate can be fast simple more detect out the flow direction of river, compares in the conventional judgement of monitoring personnel, and the judgement of flow direction is more accurate.

Regarding the shape of the detection target 203, in a preferred embodiment, the detection target 203 is further specifically shaped like a wedge. As shown in fig. 2, the detection mark 203 has a wedge shape, and thus, the flow resistance received by the detection mark 203 at the end facing the water flow direction can be reduced. It should be noted that the present invention does not limit the shape of the detection target 203, and in another embodiment, the detection target 203 is streamlined.

In a preferred embodiment, the sensor 6 is further embodied as a proximity switch. As shown in fig. 1, when a monitoring person puts a detection plate into a river, relative rotation occurs due to inconsistency between the flow velocity directions of the detection plate and the river until the extension direction of the detection plate in water flow is consistent with the flow direction of the river, the detection plate does not swing greatly, a baffle 5 is connected with the detection plate through a measuring rod 202, and then the baffle 5 also rotates relatively on a connecting plate 201. In order to facilitate observation of the conditions that the blocking piece 5 rotates on the connecting plate 201, the extension direction of the detection plate in flowing water is consistent with the flowing water direction, the opening direction of the water inlet cylinder 102 is opposite to the flowing water direction and the like, a proximity switch is arranged at the connecting plate 201, when the monitoring personnel rotate the flow velocity detection device, the connecting plate 201 rotates along with the detection plate, and the proximity switch can sense the rotation condition of the blocking piece 5 on the connecting plate. When a monitoring person rotates and adjusts the flow rate detection mechanism 1, the extension direction of the detection plate is parallel to the axial direction of the water inlet cylinder 102, the separation blade 5 can trigger the proximity switch, and the opening direction of the water inlet cylinder 102 is opposite to the flow direction.

According to proximity switch and separation blade 5, the monitoring personnel can be more quick judge the most suitable opening direction of a section of thick bamboo 102 of intaking, and then increase this detection device to the accuracy that the velocity of flow detected, proximity switch need not take place the contact with separation blade 5 moreover, avoids taking place relative collision between sensor 6 and the separation blade 5.

It should be noted that, this embodiment does not limit the type of proximity switch, in the technical scheme of the utility model, proximity switch chooses for use current proximity switch, and this part does not regard as the focus of this application improvement, no longer gives details here.

In the preferred embodiment, more specifically, the flow direction detection mechanism 2 further includes an indicator light 7 mounted on the connection plate 201, and the indicator light 7 is connected in series with the proximity switch to an electric circuit. As shown in the drawings, in the detection device of the present invention, there is also an indicator light 7 connected in series with the proximity switch, and when the proximity switch senses the catch 5, the proximity switch, the catch 5 and the indicator light 7 form a closed circuit, and the indicator light 7 lights up, and if the catch 5 is not in the sensing area of the proximity switch, the circuit is in an off state. By using the circuit between the indicator light 7 and the proximity switch, a monitoring person can easily observe the relative position change between the proximity switch and the baffle 5 when installing the monitoring device.

It should be noted that, circuit connection mode between pilot lamp 7 and proximity switch is about, the utility model discloses choose present circuit connection mode for use, this part is not regarded as the focus of this application improvement, no longer gives unnecessary details here, and the technical scheme that can be nimble when implementing this application of technical scheme chooses present circuit connection mode for use to the skilled person.

Regarding the structure of the baffle 5, in a preferred embodiment, the baffle 5 is further specifically made of plastic, and the opposite end of the baffle 5 connected to the measuring rod 202 is provided with a metal sheet. In the detection device of the utility model, the detection device is often splashed by river water in the using process, and in order to prolong the service life of the separation blade 5 and reduce the corrosion of the separation blade 5 by water flow, the separation blade 5 is provided with a plastic material; meanwhile, in order to facilitate the proximity switch to detect the movement of the flap 5, a metal plate is particularly provided at an end portion of the opposite end of the flap 5 to which the measuring bar 202 is connected.

In the preferred embodiment, furthermore, the connecting plate 201 is provided with a sliding slot 8, and the proximity switch can move along the sliding slot 8.

As shown in fig. 2 and 3, in the detection device of the present invention, the connecting plate 201 is provided with the sliding groove 8, and the proximity switch can move relatively along the sliding groove 8. When the monitoring personnel adjusts the components of the detection device before launching, the axial direction of the water inlet cylinder 102 and the extension direction of the detection mark 203 can be set to be parallel. The monitoring personnel move the proximity switch according to the position of the baffle 5 on the connecting plate 201, so that when the baffle 5 triggers the proximity switch, the axial direction of the water inlet barrel 102 can be parallel to the extending direction of the detection mark 203. Through the position of adjustment proximity switch in spout 8, can make detection device's detected data more accurate, the detector of being more convenient for simultaneously observes the river and flows to the condition.

In a preferred embodiment, more specifically, a through hole 9 is formed in the side of the sliding chute 8, a bolt 10 penetrates through the through hole 9 to abut against the proximity switch, and an elastic block 11 is arranged at the abutting end of the bolt 10 and the proximity switch. In order to enable the adjusted proximity switch not to move in the sliding groove 8 any longer, a monitoring person can use a bolt 10 to penetrate through the through hole 9 to be abutted to the proximity switch, and meanwhile, in order to avoid the bolt 10 from colliding with the proximity switch and excessive extrusion, an elastic block 11 is arranged at the abutting end of the bolt 10 and the proximity switch. Through setting up elastic block 11, can increase the relative friction between bolt 10 and the proximity switch, the extrusion of bolt 10 to the proximity switch can be alleviated to elastic block 11 simultaneously, and then proximity switch's life has been increased.

It should be noted that the present invention is not limited to the material of the elastic block 11, and in an embodiment, the elastic block 11 may be a rubber block.

In the preferred embodiment, more specifically, the frame body 3 further includes a fixing member 12, and the supporting member 301 and the connecting rod 302 are connected by the fixing member 12. The utility model discloses an among the detection device, monitoring personnel can link together mounting 12 and support piece 301 earlier when installing detection device, links together mounting 12 and connecting rod 302 again. The fixing part 12 is used for connecting the supporting part 301 with the connecting rod 302, so that the rod piece change in the horizontal direction and the vertical direction is realized, and meanwhile, when monitoring personnel need to adjust the opening direction of the water inlet cylinder 102 of the flow rate detection device, the adjustment of the fixing part 12 can be realized.

With regard to the structure of the fixing member 12, in a preferred embodiment, the fixing member 12 further includes: two friction disks 13, electric telescopic handle 14, two friction disks 13 along perpendicular body of rod butt, upper end friction disk 13 cup joints with support piece 301, lower extreme friction disk 13 and connecting rod 302 fixed connection, electric telescopic handle 14 links together with upper end friction disk 13 and support piece 301, and electric telescopic handle 14 drives upper end friction disk 13 and takes place vertical movement along support piece 301.

As shown in fig. 1, the fixing member 12 has two friction disks 13 in the vertical direction, the upper friction disk 13 is connected to the electric telescopic rod 14, and the electric telescopic rod 14 drives the upper friction disk 13 to move vertically along the supporting member 301. If the monitoring personnel put the detection device into water and find that the indicator light 7 is not lighted (namely, the axis of the water inlet cylinder 102 is different from the extension direction of the flowing water of the detection plate), the monitoring personnel can utilize the electric telescopic rod 14 to lift the upper end friction disc 13, rotate the lower end friction disc 13 or the connecting rod 302 and adjust the opening direction of the water inlet cylinder 102; after the monitoring personnel adjusted detection device, reuse electric telescopic handle 14 and put down upper end friction disk 13 to utilize electric telescopic handle 14 to exert decurrent pressure to upper end friction disk 13, with the better butt of two friction disks 13, and then the frictional force between the friction disk 13 increases, avoids lower extreme friction disk 13 to take place the rotation again.

Utilize electric telescopic handle 14 to remove friction disk 13, avoided sometimes too high in body of rod position department because of friction disk 13, monitoring personnel can't mention upper end friction disk 13 easily, and then reduce the work load when monitoring personnel adjust monitoring devices, reduced the work degree of difficulty, utilize the mutual friction butt between two friction disks 13 simultaneously, realized that monitoring devices no longer rotates after adjusting the velocity of flow monitoring direction.

It should be noted that, the utility model discloses do not limit to the connection of electric telescopic handle 14 and upper end friction disk 13, the relative hookup location of electric telescopic handle 14 and upper end friction disk 13 can be adjusted according to particular case in a flexible way to the technical scheme of this application when implementing to the skilled in the art.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a flow direction and velocity of flow detection device for hydraulic engineering which characterized in that includes:

the flow velocity detection mechanism comprises a transparent pipe body, a water inlet cylinder and a ball body, wherein the transparent pipe body is communicated with the water inlet cylinder, and the ball body can move along the transparent pipe body;

the flow direction detection mechanism comprises a connecting plate, a measuring rod and a detection mark, the connecting plate is fixedly connected with the transparent pipe body, the measuring rod vertically and rotatably penetrates through the connecting plate, the detection mark is fixedly connected to the bottom of the measuring rod, a separation blade is arranged at the upper end of the measuring rod, a sensor is arranged on the connecting plate, the detection mark is arranged in such a way that the extending direction of the detection mark when the detection mark is placed in running water is consistent with the flowing water direction, and when the extending direction of the detection mark is parallel to the axial direction of the water inlet cylinder, the separation blade triggers the sensor;

the water inlet device comprises a frame body, a water inlet pipe and a water outlet pipe, wherein the frame body comprises a supporting piece and a connecting rod which is rotatably connected with the supporting piece, and the connecting rod is vertically connected with the water inlet pipe;

and the controller is connected with the sensor.

2. The flow direction and flow rate detecting device according to claim 1, wherein the detecting member is a detecting plate disposed vertically.

3. The flow direction and rate detecting device according to claim 2, wherein the detecting mark is wedge-shaped.

4. The flow direction and rate detecting device according to claim 1, wherein the sensor is a proximity switch.

5. The flow direction and flow rate detecting device according to claim 4, wherein the flow direction detecting mechanism further comprises an indicator lamp mounted on the connecting plate, the indicator lamp being connected in series with the proximity switch to an electric circuit.

6. The flow direction and flow rate detecting device according to claim 1, wherein the blocking plate is made of plastic, and a metal plate is disposed at an opposite end of the blocking plate connected to the measuring rod.

7. The flow direction and flow velocity detecting device according to claim 5, wherein the connecting plate is provided with a slide groove along which the proximity switch is movable.

8. The flow direction and flow velocity detecting device according to claim 7, wherein a through hole is formed in a side of the slide groove, a bolt passes through the through hole to abut against the proximity switch, and an elastic block is provided at an abutting end of the bolt and the proximity switch.

9. The flow direction and flow velocity detection apparatus according to claim 1, wherein the frame body further includes a fixing member, and the support member and the connection rod are connected by the fixing member.

10. The flow direction and flow rate detecting device according to claim 9, wherein the fixing member includes:

the friction discs are sleeved at the upper ends of the friction discs and the supporting pieces, the friction discs at the lower ends of the friction discs are fixedly connected with the connecting rods, and the friction discs are abutted in the vertical direction;

the electric telescopic rod is connected with the upper end friction disc and the support piece together, and the electric telescopic rod drives the upper end friction disc to vertically move along the support piece.

Images