CN218156359U

CN218156359U - Water flow measuring device

Info

Publication number: CN218156359U
Application number: CN202222638031.2U
Authority: CN
Inventors: 赵崇龙
Original assignee: Individual
Current assignee: Anhui Shengyue Construction Engineering Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-27
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a water flow measuring device, including the water flow measuring device body, the water flow measuring device body includes that the bottom is the protection box of opening setting and sets up at its inside thick liquid formula velocity of flow appearance soon, it is provided with the connecting rod to revolve thick liquid formula velocity of flow appearance last an organic whole. The utility model discloses a be provided with a series of structures, can direct automatic drive in the protection box revolve thick liquid formula velocity of flow instrument and move down and carry out measurement work in water, and can keep off when moving down two of automatic drive and protect the bottom plate and rotate and open, easy and simple to handle, and can shift up to accomodate in the protection box in direct drive revolves thick liquid formula velocity of flow instrument after using, and two fender of synchronous automatic drive protect the bottom plate and close the shutoff protection, need not to adopt branch alone in addition to transfer the group and tear the transfer work down, realize integrative effect of accomodating and transferring, the operation of transferring has been saved and has utilized branch group to tear open alone and has transferred, operation process is simplified, make things convenient for personnel to use and carry.

Description

Water flow measuring device

Technical Field

The utility model relates to a water conservancy surveys technical field, specifically is a water flow measuring device.

Background

In the water conservancy survey work, a current flowmeter is needed to measure the water flow velocity and the water flow of a water conservancy ditch, and the current flowmeter is needed to measure the water flow velocity and the water flow of the water conservancy ditch, and the LS25-1 propeller type current flowmeter is a portable measuring instrument special for the water flow velocity and the water flow of the water conservancy ditch, and is mainly used for measuring the average water flow velocity of preset measuring points in water cross-sections of general rivers, channels, reservoirs, lakes and the like so as to determine the flow of the cross-sections.

When the existing propeller type current-velocity flow instrument is used, a person lowers the propeller type current-velocity flow instrument into water to be monitored through a lowering support rod or a bracket for measurement, and a storage protective box is mostly adopted for storage protection of the propeller type current-velocity flow instrument in order to avoid mistaken collision and damage when the propeller type current-velocity flow instrument is not used or carried; the mode of independently utilizing the support rod and the storage protective box to be separated is inconvenient to carry integrally, the support rod and the propeller type flow rate meter are required to be assembled and disassembled independently before and after use so as to be transferred into the storage protective box, and the overall operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water flow measuring device 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 water flow measuring device comprises a water flow measuring device body, wherein the water flow measuring device body comprises a protective box with an opening at the bottom and a rotary-propeller type flow velocity and flow meter arranged in the protective box, the model of the rotary-propeller type flow velocity and flow meter is LS25-1, the rotary-propeller type flow velocity and flow meter is mature in the prior art, is a measuring instrument special for water flow velocity and flow of water conservancy ditches, and the principle is not explained; the rotary propeller type flow velocity and flow rate instrument is integrally provided with a connecting rod, a multi-stage electric telescopic rod is fixedly embedded in the inner wall of the top of the protective box, the extending end of the multi-stage electric telescopic rod is fixedly connected with the top end of the connecting rod, and the multi-stage electric telescopic rod is used for driving the rotary propeller type flow velocity and flow rate instrument to extend downwards;

the top of the protection box is fixedly connected with a U-shaped handle, the left side of the top of the protection box is fixedly connected with two telescopic mounting support assemblies, and the telescopic mounting support assemblies are used for mounting and supporting the protection box;

the protection box is characterized in that blocking and protecting bottom plates are rotatably mounted on two sides of the bottom of the protection box, L-shaped extrusion blocks are fixedly connected to two sides of the extending end of the multi-stage electric telescopic rod, the tops of the two L-shaped extrusion blocks are movably contacted with the same synchronous turning-over driving assembly, the bottom end of the synchronous turning-over driving assembly is hinged to the tops of the two blocking and protecting bottom plates, and the synchronous turning-over driving assembly is used for automatically driving the two blocking and protecting bottom plates to turn over when the multi-stage electric telescopic rod is started in the forward direction;

the inner walls of the two sides of the protection box are fixedly connected with tightening guide supporting components, the bottom ends of the two tightening guide supporting components are fixedly connected with the top of the synchronous opening driving component, and the tightening guide supporting components are used for elastically tightening and guiding and supporting the synchronous opening driving component.

Preferably, flexible installation supporting component includes L shape installation branch, U-shaped guide seat and knob formula pressure solid bolt, the bottom of U-shaped guide seat and the top left side fixed connection of protection box, L shape installation branch slip cap are established in the U-shaped guide seat that corresponds, and the top inner wall and the left side inner wall of L shape installation branch respectively with the top and the left side swing joint of protection box, the bottom of knob formula pressure solid bolt and the top swing joint of the L shape installation branch that corresponds, U-shaped guide seat threaded sleeve establish on the knob formula pressure solid bolt that corresponds, set up two bolt installation perforation on the left side inner wall of L shape installation branch, U-shaped guide seat and the cooperation of knob formula pressure solid bolt that set up, after L shape installation branch pulled out left, utilize outside installation bolt cooperation bolt installation perforation to fix L shape installation branch installation, realize supporting the protection box.

Preferably, synchronous drive assembly that turns over includes the dwang that returns the shaped plate, two montants and two slopes set up, it puts in multistage electric telescopic handle's the outside to return the shaped plate movable sleeve, the bottom that returns the shaped plate and the top movable contact of two L shape extrusion pieces, the top of two montants all with the bottom fixed connection who returns the shaped plate, two dwangs articulate respectively in the bottom of corresponding montant, the bottom of dwang is articulated mutually with the top that the bottom plate was protected to the fender that corresponds, the shape plate that returns that sets up, the dwang cooperation that two montants and two slopes set up, forward start at multistage electric telescopic handle drives two L shape extrusion piece separation backs, and can drive two dwangs and keep off two bottom plates extrusion turnings downwards and turn over when returning the shaped plate and move down.

Preferably, the tightening guide support assembly comprises a support seat, two guide rods, two compression springs in a compression state and two limit blocks, wherein the repellent sides of the support seat are fixedly connected with the inner walls of the two sides of the protection box respectively, the two sides of the top of the return plate are fixedly connected with the bottom ends of the two corresponding guide rods respectively, the support seat is sleeved on the two corresponding guide rods in a sliding manner, the top ends of the guide rods are fixedly connected with the bottoms of the corresponding limit blocks, the top ends and the bottom ends of the compression springs are fixedly connected with the bottoms of the corresponding support seat and the top of the return plate respectively, the compression springs are movably sleeved on the corresponding guide rods, the support seat, the two guide rods, the two compression springs in the compression state and the two limit blocks are matched, the return plate is vertically guided by the guide rods, and the four compression springs in the compression state are used for driving the L-shaped extrusion block to move downwards when the L-shaped extrusion block is separated from the return plate.

Preferably, fixed mounting has the battery with multistage electric telescopic handle electric connection on the top inner wall of protection box, and multistage electric telescopic handle's left side is fixed and electric connection has wireless remote control switch, and wireless remote control switch matches and is provided with outside remote controller.

Preferably, hinges are fixedly connected between two sides of the protection box and one sides of the two protection bottom plates which repel each other, and the protection bottom plates are rotatably installed with the protection box through the corresponding hinges.

Preferably, the inner wall of the top of the U-shaped guide seat is provided with a threaded hole in threaded connection with the corresponding knob type press bolt.

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

1. the water flow measuring device can mount and support the whole device through the telescopic mounting and supporting component;

2. the water flow measuring device has the advantages that the multistage electric telescopic rods are matched with the protection box, the rotary propeller type flow velocity instrument can be directly and automatically driven in the protection box to move downwards into water for measuring, the rotary propeller type flow velocity instrument does not need to be disassembled, taken out and independently and directly installed and put downwards, the operation is simple and convenient, and the multistage electric telescopic rods can be used for directly driving the rotary propeller type flow velocity instrument to move upwards and be stored in the protection box after being used;

3. this water flow measuring device, multistage electric telescopic handle through setting up, L shape extrusion piece, turn over drive assembly in step and tighten direction supporting component cooperation, can be when opening multistage electric telescopic handle drive and revolve thick liquid formula velocity of flow instrument and move down, two fender bottom plates of automatic synchronous drive rotate and turn over, need not other exclusive operation, and can be at drive and revolve thick liquid formula velocity of flow instrument and shift up when accomodating two fender bottom plates of automatic drive and revolve and close the shutoff, form comprehensive surrounding protection to once more to revolving thick liquid formula velocity of flow instrument, realize integrative the effect of accomodating and transferring the support, mode through integrative setting, the operation of transferring has been saved and has been utilized alone branch group to tear open.

The utility model discloses can direct automatic drive revolve thick liquid formula velocity of flow instrument and move down to carrying out measurement work in water in the protection box, and can keep off the bottom plate rotation and open when moving down two automatic drives, and easy and simple to handle, and can shift up to accomodate in the protection box after using direct drive revolve thick liquid formula velocity of flow instrument, and two fender of synchronous automatic drive protect the bottom plate to close the shutoff protection, need not other independent adoption branch and transfer the work of group's dismantlement, realize the integrative effect of accomodating and transferring, the operation of transferring has been saved and has been transferred in the group's dismantlement of exclusive utilization branch, operation process has been simplified, make things convenient for personnel to use and carry.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

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

fig. 3 is the utility model discloses a sectional structure schematic diagram is looked to flexible installation supporting component right side.

In the figure: 100. a propeller type flow rate flowmeter; 101. a connecting rod; 1. a protective case; 2. a guard base plate; 3. a multi-stage electric telescopic rod; 4. a U-shaped handle; 5. an L-shaped extrusion block; 6. a return plate; 7. a supporting seat; 8. a guide rod; 9. a compression spring; 10. a vertical rod; 11. rotating the rod; 12. a hinge; 13. a storage battery; 14. a limiting block; 15. a U-shaped guide seat; 16. a knob type press bolt; 17. l-shaped mounting support rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the water flow measuring device provided in this embodiment includes a water flow measuring device body, the water flow measuring device body includes a protection box 1 with an opening at the bottom and a propeller-type flow velocity meter 100 arranged inside the protection box, the model of the propeller-type flow velocity meter 100 is LS25-1, which is a mature technology, and is a measuring instrument special for water flow velocity and flow of water conservancy ditches, and the principle is not explained; the rotary propeller type flow velocity flowmeter 100 is integrally provided with a connecting rod 101, the inner wall of the top of the protective box 1 is fixedly embedded with a multi-stage electric telescopic rod 3, the inner wall of the top of the protective box 1 is provided with an embedded hole, the inner wall of the embedded hole is movably contacted with the outer side of the multi-stage electric telescopic rod 3, and two sides of the multi-stage electric telescopic rod 3 are fixedly connected with mounting seats fixedly mounted with the top of the protective box 1; the inner wall of the top of the protection box 1 is fixedly provided with a storage battery 13 electrically connected with the multi-stage electric telescopic rod 3, the left side of the multi-stage electric telescopic rod 3 is fixedly and electrically connected with a wireless remote control switch, the wireless remote control switch is provided with an external remote controller in a matching way, the effect of conveniently opening the multi-stage electric telescopic rod 3 in a remote control mode is achieved, the extending end of the multi-stage electric telescopic rod 3 is fixedly connected with the top end of the connecting rod 101, and the multi-stage electric telescopic rod 3 is used for driving the rotary propeller type current and flow meter 100 to extend downwards;

the top of the protection box 1 is fixedly connected with a U-shaped handle 4, the left side of the top of the protection box 1 is fixedly connected with two telescopic mounting and supporting components which are used for mounting and supporting the protection box 1, wherein the telescopic mounting and supporting components comprise an L-shaped mounting support rod 17, a U-shaped guide seat 15 and a knob type press-fixing bolt 16, the bottom of the U-shaped guide seat 15 is fixedly connected with the left side of the top of the protection box 1, the L-shaped mounting support rod 17 is slidably sleeved in the corresponding U-shaped guide seat 15, the inner wall of the top of the L-shaped mounting support rod 17 and the inner wall of the left side of the L-shaped mounting support rod 17 are respectively in movable contact with the top of the protection box 1 and the left side of the protection box 1, the bottom end of the knob type press-fixing bolt 16 is in movable contact with the top of the corresponding L-shaped mounting support rod 17, the U-shaped guide seat 15 is sleeved on the corresponding knob type pressing bolt 16 in a threaded manner, a threaded hole in threaded connection with the corresponding knob type pressing bolt 16 is formed in the inner wall of the top of the U-shaped guide seat 15, two bolt mounting through holes are formed in the inner wall of the left side of the L-shaped mounting support rod 17, the U-shaped guide seat 15 and the knob type pressing bolt 16 are matched, after the knob type pressing bolt 16 is rotated reversely to relieve the pressing on the L-shaped mounting support rod 17, the L-shaped mounting support rod 17 is pulled out leftwards, the L-shaped mounting support rod 17 is mounted and fixed by utilizing an external mounting bolt to match with the bolt mounting through hole, and the effect of supporting the protection box 1 and the rotary slurry type flowmeter 100 can be achieved;

the two sides of the bottom of the protection box 1 are respectively and rotatably provided with a blocking and protecting bottom plate 2, two sides of the protection box 1 are respectively and fixedly connected with a hinge 12 between one sides of the two blocking and protecting bottom plates 2 which repel each other, the blocking and protecting bottom plates 2 are rotatably arranged with the protection box 1 through the corresponding hinges 12 to play a role of rotatably supporting and positioning the blocking and protecting bottom plates 2, two sides of the extending end of the multi-stage electric telescopic rod 3 are respectively and fixedly connected with an L-shaped extrusion block 5, the tops of the two L-shaped extrusion blocks 5 are movably contacted with the same synchronous overturning driving component, the bottom end of the synchronous overturning driving component is hinged with the tops of the two blocking and protecting bottom plates 2, the synchronous overturning driving component is used for automatically driving the two blocking and protecting bottom plates 2 to be overturned when the multi-stage electric telescopic rod 3 is forwardly started, wherein the synchronous overturning driving component comprises a return plate 6, two vertical rods 10 and two rotating rods 11 which are obliquely arranged, the clip 6 is movably sleeved outside the multi-stage electric telescopic rod 3, wherein the outer side of the multi-stage electric telescopic rod 3 is not in contact with the inner wall of the clip 6, the bottom of the clip 6 is in movable contact with the tops of the two L-shaped extrusion blocks 5, the top ends of the two vertical rods 10 are both fixedly connected with the bottom of the clip 6, the two rotating rods 11 are respectively hinged to the bottom ends of the corresponding vertical rods 10, the bottom ends of the rotating rods 11 are hinged to the tops of the corresponding baffle bottom plates 2, the arranged clip 6, the two vertical rods 10 are matched with the two obliquely arranged rotating rods 11, after the multi-stage electric telescopic rod 3 is started forward to drive the two L-shaped extrusion blocks 5 to separate, the two rotating rods 11 can be driven to extrude and turn the two baffle bottom plates 2 downwards when the clip 6 moves downwards, and the effect of conveniently and automatically removing the shielding when the propeller type flow rate flowmeter 100 is moved out is achieved;

the inner walls of two sides of the protective box 1 are fixedly connected with tightening guide supporting components, the bottom ends of the two tightening guide supporting components are fixedly connected with the top of the clip 6, the tightening guide supporting components are used for elastically tightening and guiding and supporting the clip 6, the tightening guide supporting components comprise a supporting seat 7, two guide rods 8, two compression springs 9 in a compression state and two limit blocks 14, the repellent sides of the two supporting seats 7 are respectively fixedly connected with the inner walls of two sides of the protective box 1, two sides of the top of the clip 6 are respectively fixedly connected with the bottom ends of the two corresponding guide rods 8, the supporting seat 7 is sleeved on the two corresponding guide rods 8 in a sliding way, two guide holes respectively connected with the outer sides of the corresponding guide rods 8 are arranged at the top of the supporting seat 7 in a sliding way, the supporting seat 7 is sleeved on the two corresponding guide rods 8 through the two guide holes in a sliding mode, the effect of vertical sliding guide of the guide rods 8 is achieved, the top ends of the guide rods 8 are fixedly connected with the bottoms of the corresponding limiting blocks 14, the top ends and the bottom ends of the compression springs 9 are respectively fixedly connected with the bottoms of the corresponding supporting seat 7 and the top of the clip 6, the compression springs 9 are movably sleeved on the corresponding guide rods 8, the supporting seat 7 is arranged, the two guide rods 8 are matched with the two limiting blocks 14, the clip 6 is vertically guided by the guide rods 8, and the four compression springs 9 in the compression state are used for driving the L-shaped extrusion block 5 to move downwards when the L-shaped extrusion block 5 is separated from the clip 6.

The application method of the embodiment comprises the following steps: when the device is used, the knob type press-fixing bolt 16 is rotated reversely to enable the knob type press-fixing bolt to be separated upwards from the corresponding L-shaped mounting support rod 17, the L-shaped mounting support rod 17 is pulled leftwards to enable the L-shaped mounting support rod 17 to slide leftwards in the corresponding U-shaped guide seat 15, after the L-shaped mounting support rod is pulled out, the knob type press-fixing bolt 16 is rotated forwards to enable the L-shaped mounting support rod 17 to be pressed downwards and fixed to the corresponding L-shaped mounting support rod 17, and at the moment, a person fixes the L-shaped mounting support rod 17 with a water conservancy ditch side protection frame by utilizing an external mounting bolt or an anchor rod to match with a bolt mounting through hole, so that the whole device is supported;

the multistage electric telescopic rod 3 is started in the forward direction to enable the extending end of the multistage electric telescopic rod to drive the two L-shaped extrusion blocks 5 to move downwards, the L-shaped extrusion blocks 5 gradually release extrusion force on the clip-shaped plate 6 downwards and are separated from the clip-shaped plate 6, at the moment, the clip-shaped plate 6 is driven by the elasticity of the compression spring 9 in a compressed state to move downwards, the clip-shaped plate 6 drives the two vertical rods 10 to move downwards, the two vertical rods 10 drive the two rotating rods 11 to downwards extrude the two shield bottom plates 2, and under the extrusion force, the two shield bottom plates 2 rotate downwards and are opened simultaneously, wherein the extending end of the multistage electric telescopic rod 3 also drives the propeller type flow rate flowmeter 100 to move downwards when being started, the propeller type flow rate flowmeter 100 which moves downwards gradually moves downwards into water to be measured to measure the flow rate and flow rate, so that the propeller type flow rate flowmeter 100 can be driven to move downwards conveniently, the two shield bottom plates 2 which are driven to move downwards and are driven synchronously and automatically to release shielding, and the operation is simple and convenient;

after the device is used or carried, the multistage electric telescopic rod 3 is reversely started to drive the propeller type flow velocity flowmeter 100 to move upwards and be contained in the protection box 1, the extending end of the multistage electric telescopic rod 3 drives the L-shaped extrusion block 5 to move upwards and move back into the protection box 1, the return plate 6 is extruded upwards, under the extrusion force, the return plate 6 moves upwards and drives the four guide rods 8 to move upwards, the return plate 6 compresses the compression spring 9, meanwhile, the return plate 6 drives the two vertical rods 10 to move upwards, the two vertical rods 10 pull the two blocking bottom plates 2 to rotate and close through the two rotating rods 11, the propeller type flow velocity flowmeter 100 forms comprehensive surrounding protection once again, the propeller type flow velocity flowmeter 100 is convenient to move upwards and be contained and protected after being used, the supporting rods are not required to be additionally and independently adopted to carry out assembling and disassembling and downward operation, the effect of integrally containing and downward placing is achieved, the operation of independently utilizing the supporting rods is omitted, the operation process is simplified, and the device is convenient for personnel to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a water flow measuring device, includes the water flow measuring device body, the water flow measuring device body includes that the bottom is protection box (1) and the rotary paddle type velocity of flow appearance (100) of setting in its inside that the opening set up, an organic whole is provided with connecting rod (101), its characterized in that on the rotary paddle type velocity of flow appearance (100): a multi-stage electric telescopic rod (3) is fixedly embedded on the inner wall of the top of the protection box (1), and the extending end of the multi-stage electric telescopic rod (3) is fixedly connected with the top end of the connecting rod (101);

the top of the protection box (1) is fixedly connected with a U-shaped handle (4), and the left side of the top of the protection box (1) is fixedly connected with two telescopic mounting support assemblies;

the two sides of the bottom of the protection box (1) are respectively and rotatably provided with a bottom blocking and protecting plate (2), two sides of the extending end of the multi-stage electric telescopic rod (3) are respectively and fixedly connected with an L-shaped extrusion block (5), the tops of the two L-shaped extrusion blocks (5) are movably contacted with the same synchronous opening driving assembly, and the bottom end of the synchronous opening driving assembly is hinged with the tops of the two bottom blocking and protecting plates (2);

the inner walls of two sides of the protection box (1) are fixedly connected with tightening guide supporting components, and the bottom ends of the tightening guide supporting components are fixedly connected with the top of the synchronous opening driving component.

2. A water flow measuring device according to claim 1, characterised in that: the flexible installation supporting component comprises an L-shaped installation supporting rod (17), a U-shaped guide seat (15) and a knob type press-fixing bolt (16), the bottom of the U-shaped guide seat (15) is fixedly connected with the left side of the top of a protection box (1), the L-shaped installation supporting rod (17) is slidably sleeved in the corresponding U-shaped guide seat (15), the inner wall of the top of the L-shaped installation supporting rod (17) and the inner wall of the left side of the protection box (1) are respectively in movable contact with the top of the protection box (1) and the left side of the protection box, the bottom of the knob type press-fixing bolt (16) is in movable contact with the top of the corresponding L-shaped installation supporting rod (17), the U-shaped guide seat (15) is in threaded sleeve connection with the corresponding knob type press-fixing bolt (16), and two bolt installation through holes are formed in the inner wall of the left side of the L-shaped installation supporting rod (17).

3. A water flow measuring device according to claim 1, wherein: synchronous drive assembly that opens includes back shaped plate (6), dwang (11) that two montants (10) and two slopes set up, back shaped plate (6) movable sleeve is put in the outside of multistage electric telescopic handle (3), returns the top movable contact of the bottom of shaped plate (6) and two L shape extrusion pieces (5), the top of two montants (10) all with the bottom fixed connection who returns shaped plate (6), two dwang (11) articulate respectively in the bottom of corresponding montant (10), the bottom of dwang (11) is articulated mutually with the top that the corresponding fender bottom plate (2).

4. A water flow measuring device according to claim 3, wherein: the tightening guide supporting assembly comprises a supporting seat (7), two guide rods (8), two compression springs (9) and two limiting blocks (14), wherein the compression springs (9) and the two limiting blocks (14) are in a compression state, the two sides of the top of each support seat (7) are fixedly connected with the inner walls of the two sides of the protection box (1) respectively, the two sides of the top of each return-shaped plate (6) are fixedly connected with the bottom of the corresponding two guide rods (8), the supporting seat (7) is sleeved on the corresponding two guide rods (8) in a sliding manner, the top of each guide rod (8) is fixedly connected with the bottom of the corresponding support seat (7) and the bottom of the corresponding limiting block (14), the top and the bottom of each compression spring (9) are fixedly connected with the bottom of the corresponding support seat (7) and the top of the corresponding return-shaped plate (6), and the compression springs (9) are movably sleeved on the corresponding guide rods (8).

5. A water flow measuring device according to claim 1, wherein: fixed mounting has battery (13) with multistage electric telescopic handle (3) electric connection on the top inner wall of protection box (1), and the left side of multistage electric telescopic handle (3) is fixed and electric connection has wireless remote control switch, and wireless remote control switch matches and is provided with outside remote controller.

6. A water flow measuring device according to claim 1, characterised in that: the two sides of the protection box (1) are fixedly connected with hinges (12) between the two sides repellent to the two bottom blocking and protecting plates (2), and the bottom blocking and protecting plates (2) are rotatably installed with the protection box (1) through the corresponding hinges (12).

7. A water flow measuring device according to claim 2, wherein: and the inner wall of the top of the U-shaped guide seat (15) is provided with a threaded hole in threaded connection with a corresponding knob type press bolt (16).