CN113639831A

CN113639831A - Hydraulic engineering is with measuring device who conveniently observes water level

Info

Publication number: CN113639831A
Application number: CN202110929877.9A
Authority: CN
Inventors: 范国来
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-11-12

Abstract

The invention provides a measuring device for hydraulic engineering, which is convenient for observing water level and comprises a fixing part; the top of the fixing part is provided with an installation seat, the inside of the fixing part is provided with a pushing part, the top of the installation seat is provided with a driving mechanism and four supporting columns, and the tops of the four supporting columns are provided with limiting devices; the adjusting mechanism is arranged outside the driving mechanism; and the two support columns are provided with protective devices; the measuring pipe and the connecting device are mounted at the top of the driving mechanism, and the cleaning mechanism is mounted on the measuring pipe.

Description

Hydraulic engineering is with measuring device who conveniently observes water level

Technical Field

The invention belongs to the technical field of water level measurement, and particularly relates to a measuring device for conveniently observing water level for hydraulic engineering.

Background

The hydraulic engineering is an engineering which is constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting the purpose; the water level measurement is an important part in the work of water conservancy projects, and plays an important role in the work of water conservancy planning, water engineering construction management, flood prevention and drought control and water resource management protection.

If the application number is: CN202010130540.7 discloses a water level measuring device, which comprises a box body, wherein the lower end of the box body is fixedly connected with a fixed rod, the lower end of the fixed rod is fixedly connected with a base, a third chute with a leftward opening is arranged in the fixed rod, a second transmission shaft rotationally connected with upper and lower end walls is arranged in the third chute, a spline sleeve is connected onto the second transmission shaft through a spline, a movable block in sliding fit with the third chute is fixedly arranged on the spline sleeve, a measuring device is arranged in the movable block, a fixed block is fixedly arranged at the lower end of the box body, and a collecting device is arranged in the fixed block; the device has simple structure and convenient operation.

Based on the foregoing, the inventor discovers, present water level measurement device, lack reinforced structure, lead to present water level measurement device stable inadequately when using, it is crooked easily to take place, water level measurement accuracy has been reduced, and present water level measurement device is when using for a long time, scale mark department is dirty easily attached to, thereby the staff of being not convenient for observes the water level, staff's work efficiency has been reduced, and present water level measurement device is when using, the water in the scale mark outside easily produces the unrestrained, make water fluctuate, lead to staff's inaccurate observation water level, be not convenient for use, present water level measurement device has not satisfied contemporary user demand.

Disclosure of Invention

In order to solve the technical problems, the invention provides a measuring device for hydraulic engineering, which is convenient for observing water level and aims to solve the problems that the existing measuring device is unstable and easy to skew in use, dirt is easy to adhere to scale marks in long-time use, and a worker cannot accurately observe the water level.

The purpose and the efficacy of the measuring device for conveniently observing the water level for the hydraulic engineering are achieved by the following specific technical means:

a measuring device for hydraulic engineering, which is convenient for observing water level, comprises a fixing part;

the top of the fixing part is provided with an installation seat, the inside of the fixing part is provided with a pushing part, the top of the installation seat is provided with a driving mechanism and four supporting columns, and the tops of the four supporting columns are provided with limiting devices;

an adjustment mechanism mounted outside the drive mechanism; and the two support columns are provided with protective devices; the top of the driving mechanism is provided with a measuring pipe and a connecting device, and the measuring pipe is provided with a cleaning mechanism.

Further, the adjustment mechanism includes:

the guide rods are arranged in two, the two guide rods are connected with the mounting block in a sliding mode, the tops of the two guide rods are fixedly provided with a connecting plate, and the bottom of the connecting plate is fixedly provided with a limiting rod;

and the flow blocking cover is fixedly arranged at the bottoms of the two guide rods.

Further, the guard device includes:

the two connecting blocks are arranged and are in sliding connection with the two support columns, and the outer ends of the two connecting blocks are fixedly provided with protective covers;

the floating block is fixedly arranged on the outer side of the protective cover.

Further, the fixing portion includes:

the inner part of the fixed block is of a hollow structure;

the reinforcing rods are six in number and are slidably mounted on the fixing block, and springs are mounted between the six reinforcing rods and the fixing block.

Further, the cleaning mechanism includes:

the two supports are fixedly connected with the measuring tube;

the driving shaft is rotatably installed in the two supports, a first gear is fixedly installed at the bottom of the driving shaft, and a fixing plate is fixedly installed at the top of the driving shaft.

Further, the pushing portion includes:

the pushing piece is connected with the fixed block in a sliding manner;

the lead screw, lead screw are equipped with two altogether, and two lead screws rotate and install the top at the impeller to two lead screws and installation piece threaded connection.

Further, the cleaning mechanism further comprises:

the scraper blade, scraper blade fixed mounting are in the bottom of fixed plate, and the bottom fixed mounting of scraper blade has the guide post to guide post and survey buret sliding connection.

Further, the driving mechanism includes:

the four support rods are fixedly connected with the mounting seat, the mounting plate is fixedly mounted at the tops of the four support rods, the inside of the mounting plate is rotatably provided with a connecting shaft, and the connecting shaft is fixedly provided with a belt pulley;

the impeller is fixedly installed on the connecting shaft.

Further, the connecting device includes:

the rotating shaft is rotatably connected with the mounting plate, a belt pulley is fixedly mounted on the rotating shaft, and the rotating shaft is connected with the connecting shaft through a belt;

and the second gear is fixedly arranged on the rotating shaft and is in meshed connection with the first gear.

Further, stop device includes:

the mounting block is fixedly connected with the four support columns;

spacing seat, spacing seat fixed mounting are in the inside of installation piece, and the inside slidable mounting of spacing seat has spacing post to install the spring between spacing post and the spacing seat.

The invention at least comprises the following beneficial effects:

1. according to the invention, as the two screw rods are rotationally connected with the pushing piece and are in threaded connection with the mounting block, when a worker rotates the two screw rods, the pushing piece moves downwards, and the six reinforcing rods move outwards simultaneously when the pushing piece moves downwards, so that the contact area between the device and underwater silt is increased, the device is more stable in use, the device is prevented from being skewed, the water level measurement precision is improved, and springs are mounted between the six reinforcing rods and the fixing block, so that when the worker reversely rotates the two screw rods, the pushing piece moves upwards, and the six reinforcing rods move inwards simultaneously when the pushing piece moves upwards, so that the turnover of the device is facilitated, and the bottoms at the two ends of the pushing piece are of conical structures, so that the pushing piece moves downwards, and the labor intensity of the worker is reduced.

2. When the device is installed in water, the water flow drives the impeller to rotate when moving, and because the impeller is fixedly connected with the connecting shaft, belt pulleys are fixedly arranged on the connecting shaft and the rotating shaft, the rotating shaft is connected with the connecting shaft through a belt, so that the second gear is driven to rotate when the impeller rotates and is meshed and connected with the first gear, and the top of the driving shaft is fixedly provided with a fixed plate, and the bottom of the fixed plate is fixedly provided with a scraper, thereby leading the scraper blade to rotate around the measuring tube when the impeller rotates, being convenient for cleaning the dirt at the scale mark on the outer wall of the measuring tube, leading the guide post to be connected on the measuring tube in a sliding way, leading the scraper blade to be tightly attached with the measuring tube, improving the cleaning quality, and the second gear is lack of teeth, so that the scraper plate moves intermittently, water splash generated when the scraper plate rotates when a worker observes the water level is avoided, and the worker can observe the water level more conveniently.

3. According to the invention, the flow resisting cover is arranged outside the mounting plate, and the inner diameter of the flow resisting cover is the same as the outer diameter of the mounting plate, so that a worker can control the contact area of the impeller and water flow through the flow resisting cover, the rotation speed of the impeller can be controlled through the flow resisting cover, the worker can conveniently and reasonably adjust the position of the flow resisting cover according to the water quality of a measuring region, the friction between the scraper blade and the measuring pipe is reduced while the dirt cleaning quality of the outer wall of the measuring pipe is ensured, the service life of the scraper blade is prolonged, the limiting column prevents the flow resisting cover from moving when in use, and the device is more stable when in use.

4. The protective cover is arranged, so that water fluctuation between the measuring pipe and the protective cover is avoided, a worker can observe the water level more conveniently, the measuring precision of the water level is improved, the floating block is fixedly arranged on the outer side of the protective cover, the protective cover can be automatically adjusted according to the height of the water level, the use in different areas is met, and the universality of the device is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a structural schematic diagram of the fixing block of the invention after being partially cut.

Fig. 3 is a partially enlarged structural view of the area a in fig. 2 according to the present invention.

FIG. 4 is a schematic view of the pusher after it has moved.

Fig. 5 is a schematic structural view of the driving mechanism of the present invention.

Fig. 6 is a partially cut-away schematic structural view of the mounting block of the present invention.

Fig. 7 is a partially enlarged structural view of the region B in fig. 6 according to the present invention.

Fig. 8 is a schematic structural view of the pushing part of the present invention.

Fig. 9 is a schematic view of the structure of the adjusting mechanism of the present invention.

Fig. 10 is a partially enlarged view of the region C of fig. 9 according to the present invention.

Fig. 11 is a schematic structural view of the guard of the present invention.

FIG. 12 is a schematic view of the cleaning mechanism of the present invention.

Fig. 13 is a partially enlarged view of region D of fig. 12 according to the present invention.

FIG. 14 is a schematic view of a partially cut measuring tube according to the present invention.

Fig. 15 is a partially enlarged view of the region E in fig. 14 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a fixed part; 101. a fixed block; 102. a reinforcing rod;

2. a drive mechanism; 201. a support bar; 2011. mounting a plate; 2012. a connecting shaft; 202. an impeller;

3. a limiting device; 301. mounting blocks; 302. a limiting seat; 3021. a limiting column;

4. a pushing part; 401. a pusher member; 402. a lead screw;

5. an adjustment mechanism; 501. a guide bar; 5011. a connecting plate; 5012. a limiting rod; 502. a flow blocking shield;

6. a guard; 601. connecting blocks; 6011. a protective cover; 602. a floating block;

7. a cleaning mechanism; 701. a support; 702. a drive shaft; 7021. a first gear; 7022. a fixing plate; 703. a squeegee; 7031. a guide post;

8. a connecting device; 801. a rotating shaft; 802. a second gear;

9. a mounting seat;

10. a measurement tube;

11. and (4) a support column.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," 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 explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 15:

the invention provides a measuring device for hydraulic engineering, which is convenient for observing water level and comprises a fixing part 1; the top of the fixing part 1 is provided with an installation seat 9, the pushing part 4 is arranged in the fixing part 1, the top of the installation seat 9 is provided with a driving mechanism 2 and four support columns 11, and the tops of the four support columns 11 are provided with limiting devices 3; the adjusting mechanism 5, the adjusting mechanism 5 is installed outside the driving mechanism 2; and the two support columns 11 are provided with the protective devices 6; the top of the driving mechanism 2 is provided with a measuring pipe 10 and a connecting device 8, and the measuring pipe 10 is provided with a cleaning mechanism 7.

As shown in fig. 3 and 8, the fixing portion 1 includes: the fixing block 101, the inside of the fixing block 101 is a hollow structure; reinforcing rods 102, reinforcing rods 102 are provided with six, six reinforcing rods 102 are slidably mounted on the fixing block 101, and springs are mounted between six reinforcing rods 102 and the fixing block 101, and the pushing portion 4 includes: the pushing piece 401 is connected with the fixed block 101 in a sliding mode; the lead screw 402, lead screw 402 are equipped with two altogether, and two lead screws 402 rotate and install at the top of impeller 401 to two lead screws 402 and installation piece 301 threaded connection, its concrete function does: because two lead screws 402 are rotatably connected with the pushing piece 401, and the two lead screws 402 are in threaded connection with the mounting block 301, when a worker rotates the two lead screws 402, the pushing piece 401 moves downwards, when the pushing piece 401 moves downwards, the six reinforcing rods 102 move outwards simultaneously, the contact area between the device and underwater silt is increased, the device is more stable in use, the device is prevented from being inclined, the water level measurement precision is improved, springs are arranged between the six reinforcing rods 102 and the fixing block 101, further, when the worker reversely rotates the two lead screws 402, the pushing piece 401 moves upwards, when the pushing piece 401 moves upwards, the six reinforcing rods 102 move inwards simultaneously, the turnover of the device is facilitated, the bottoms of the two ends of the pushing piece 401 are conical structures, the pushing piece 401 can move downwards conveniently, and the labor intensity of the worker is reduced.

As shown in fig. 5, 12, and 15, the drive mechanism 2 includes: the number of the support rods 201 is four, the four support rods 201 are fixedly connected with the mounting base 9, mounting plates 2011 are fixedly mounted at the tops of the four support rods 201, a connecting shaft 2012 is rotatably mounted inside the mounting plates 2011, and a belt pulley is fixedly mounted on the connecting shaft 2012; impeller 202, impeller 202 fixed mounting is on connecting axle 2012, and clearance mechanism 7 includes: the number of the brackets 701 is two, and the two brackets 701 are fixedly connected with the measuring pipe 10; the driving shaft 702 is rotatably installed inside the two brackets 701, a first gear 7021 is fixedly installed at the bottom of the driving shaft 702, and a fixing plate 7022 is fixedly installed at the top of the driving shaft 702; scraper blade 703, scraper blade 703 fixed mounting are in the bottom of fixed plate 7022, and the bottom fixed mounting of scraper blade 703 has guide post 7031, and guide post 7031 and survey buret 10 sliding connection, and connecting device 8 includes: the rotating shaft 801 is rotatably connected with the mounting plate 2011, a belt pulley is fixedly mounted on the rotating shaft 801, and the rotating shaft 801 is connected with the connecting shaft 2012 through a belt; the second gear 802 and the second gear 802 are fixedly installed on the rotating shaft 801, and the second gear 802 is meshed with the first gear 7021, which specifically functions as: when the device is installed in water, the impeller 202 is driven to rotate when water flow moves, the impeller 202 is fixedly connected with the connecting shaft 2012, the belt pulleys are fixedly installed on the connecting shaft 2012 and the rotating shaft 801, and the rotating shaft 801 is connected with the connecting shaft 2012 through a belt, so that the impeller 202 drives the second gear 802 to rotate when rotating, the second gear 802 is meshed with the first gear 7021 to be connected, the top of the driving shaft 702 is fixedly provided with a fixed plate 7022, and the bottom of the fixed plate 7022 is fixedly provided with a scraper 703, so that the scraper 703 rotates around the measuring pipe 10 when the impeller 202 rotates, dirt on the outer wall of the measuring pipe 10 is convenient to clean, the guide column 7031 is slidably connected to the measuring pipe 10, the scraper 703 is tightly attached to the measuring pipe 10, the cleaning quality is improved, the second gear 802 is lack of teeth, the scraper 703 intermittently moves, and water splash generated when a worker observes the rotation of the scraper 703 is avoided, and then the staff is more convenient when observing the water level.

As shown in fig. 7 and 9, the stopper device 3 includes: the mounting block 301, the mounting block 301 is fixedly connected with the four supporting columns 11; spacing seat 302, spacing seat 302 fixed mounting is in the inside of installation piece 301, and the inside slidable mounting of spacing seat 302 has spacing post 3021 to install the spring between spacing post 3021 and the spacing seat 302, adjustment mechanism 5 includes: the number of the guide rods 501 is two, the two guide rods 501 are connected with the mounting block 301 in a sliding mode, the tops of the two guide rods 501 are fixedly provided with a connecting plate 5011, and the bottom of the connecting plate 5011 is fixedly provided with a limiting rod 5012; the spoiler 502, the spoiler 502 is fixedly installed at the bottom of the two guide bars 501, and its specific function is: because of the choked flow cover 502 installs the outside at mounting panel 2011, and the internal diameter of choked flow cover 502 is the same with the external diameter size of mounting panel 2011, thereby staff's accessible choked flow cover 502 control impeller 202 and the area of contact of rivers, thereby accessible choked flow cover 502 control impeller 202's rotational speed, the staff of being convenient for rationally adjusts the position of choked flow cover 502 according to the quality of water in measurement area, and then reduced the friction between scraper blade 703 and the buret 10 when guaranteeing the dirty clearance quality of buret 10 outer wall, the life of scraper blade 703 has been improved, spacing post 3021 has avoided choked flow cover 502 to take place to remove when using, make the device more stable when using.

As shown in fig. 11, the guard 6 includes: the two connecting blocks 601 are arranged, the two connecting blocks 601 are connected with the two support columns 11 in a sliding mode, and the outer ends of the two connecting blocks 601 are fixedly provided with protective covers 6011; the floating block 602 is fixedly arranged on the outer side of the protective cover 6011, and has the following specific functions: the setting of protection casing 6011 has avoided the water between survey buret 10 and protection casing 6011 to take place undulantly for the staff is more accurate when observing the water level, has improved the measurement accuracy of water level, has floating block 602 because of protection casing 6011's outside fixed mounting, and then makes protection casing 6011 can be according to the high automatically regulated of water level, satisfies the use of different regions, has improved the commonality of device.

In another embodiment, the pulleys on the rotating shaft 801 and the connecting shaft 2012 can be replaced by gears, and the rotating shaft 801 and the connecting shaft 2012 are connected by a chain instead, so that the rotating shaft 801 and the connecting shaft 2012 are connected more firmly, the rotating shaft 801 and the connecting shaft 2012 are prevented from slipping, and the use is more convenient.

The specific use mode and function of the embodiment are as follows:

when the invention is used, firstly, a worker inserts the device into silt at the bottom of water, then the worker rotates the two screw rods 402, when the pushing piece 401 moves downwards, the six reinforcing rods 102 move outwards simultaneously, so that the contact area between the device and the silt at the bottom of the water is increased, the device is more stable when in use, the deflection of the device is avoided, the water level measurement precision is improved, then the worker reasonably adjusts the position of the flow blocking cover 502 according to the water quality of a measurement area, the friction between the scraper 703 and the measurement pipe 10 is reduced while the dirt cleaning quality of the outer wall of the measurement pipe 10 is ensured, the service life of the scraper 703 is prolonged, when water flow moves, the impeller 202 is driven to rotate, because the impeller 202 is fixedly connected with the connecting shaft 2012, the belt pulleys are fixedly installed on the connecting shaft 801 and the rotating shaft 801, and the rotating shaft 801 is connected with the connecting shaft 2012 through the belt, thereby make two 802 rotations of drive gear when impeller 202 is rotatory, again because of two 802 and a 7021 meshing of gear are connected, and the top fixed mounting of drive shaft 702 has fixed plate 7022, and the bottom fixed mounting of fixed plate 7022 has scraper blade 703, thereby make scraper blade 703 rotate around surveying buret 10 when impeller 202 is rotatory, be convenient for clear up the filth of surveying buret 10 outer wall, guide post 7031 sliding connection is on surveying buret 10, make closely laminating between scraper blade 703 and the surveying buret 10, the cleaning quality is improved, and two 802 of gear are for lacking the tooth, make scraper blade 703 intermittent type motion, scraper blade 703 produces the splash when rotating when having avoided the staff to observe the water level, and then it is more convenient when making the staff to observe the water level.

The invention is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a hydraulic engineering is with measuring device who conveniently observes water level which characterized in that: comprises a fixed part (1);

the top of the fixing part (1) is provided with an installation seat (9), the inside of the fixing part (1) is provided with a pushing part (4), the top of the installation seat (9) is provided with a driving mechanism (2) and four supporting columns (11), and the tops of the four supporting columns (11) are provided with limiting devices (3);

the adjusting mechanism (5), the said adjusting mechanism (5) is installed outside the driving mechanism (2); and the two supporting columns (11) are provided with a protective device (6); the top of actuating mechanism (2) is installed and is surveyed buret (10) and connecting device (8), and installs clearance mechanism (7) on surveying buret (10).

2. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the fixing part (1) includes:

the fixing block (101), the inside of the fixing block (101) is a hollow structure;

six reinforcing rods (102) are arranged, the six reinforcing rods (102) are slidably mounted on the fixing block (101), and springs are mounted between the six reinforcing rods (102) and the fixing block (101).

3. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the drive mechanism (2) comprises:

the four supporting rods (201) are arranged, the four supporting rods (201) are fixedly connected with the mounting base (9), the mounting plates (2011) are fixedly mounted at the tops of the four supporting rods (201), the mounting plates (2011) are internally and rotatably mounted with connecting shafts (2012), and belt pulleys are fixedly mounted on the connecting shafts (2012);

the impeller (202), impeller (202) are fixed and installed on connecting axle (2012).

4. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the limiting device (3) comprises:

the mounting block (301), the mounting block (301) is fixedly connected with the four supporting columns (11);

spacing seat (302), spacing seat (302) fixed mounting is in the inside of installation piece (301), and the inside slidable mounting of spacing seat (302) has spacing post (3021) to install the spring between spacing post (3021) and spacing seat (302).

5. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the pushing portion (4) includes:

the pushing piece (401), the pushing piece (401) and the fixed block (101) are connected in a sliding mode;

the two screw rods (402) are arranged, the two screw rods (402) are rotatably arranged at the top of the pushing piece (401), and the two screw rods (402) are in threaded connection with the mounting block (301).

6. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the adjusting mechanism (5) comprises:

the guide rods (501) are arranged, the two guide rods (501) are connected with the mounting block (301) in a sliding mode, the tops of the two guide rods (501) are fixedly provided with connecting plates (5011), and the bottoms of the connecting plates (5011) are fixedly provided with limiting rods (5012);

the flow blocking cover (502), the flow blocking cover (502) is fixedly arranged at the bottom of the two guide rods (501).

7. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the guard (6) comprises:

the device comprises two connecting blocks (601), wherein the two connecting blocks (601) are arranged, the two connecting blocks (601) are connected with two supporting columns (11) in a sliding mode, and the outer ends of the two connecting blocks (601) are fixedly provided with protective covers (6011);

the floating block (602), the floating block (602) is fixedly arranged on the outer side of the protective cover (6011).

8. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the cleaning mechanism (7) comprises:

the number of the brackets (701) is two, and the two brackets (701) are fixedly connected with the measuring pipe (10);

the driving shaft (702), the driving shaft (702) rotate and install the inside at two supports (701), and the bottom fixed mounting of driving shaft (702) has gear (7021), and the top fixed mounting of driving shaft (702) has fixed plate (7022).

9. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 8, characterized in that: the cleaning mechanism (7) further comprises:

scraper blade (703), scraper blade (703) fixed mounting are in the bottom of fixed plate (7022), and the bottom fixed mounting of scraper blade (703) has guide post (7031), and guide post (7031) and survey buret (10) sliding connection.

10. The hydraulic engineering is with measuring device who conveniently observes water level as defined in claim 1, characterized in that: the connection device (8) comprises:

the rotating shaft (801) is rotatably connected with the mounting plate (2011), a belt pulley is fixedly mounted on the rotating shaft (801), and the rotating shaft (801) is connected with the connecting shaft (2012) through a belt;

and the second gear (802), the second gear (802) is fixedly arranged on the rotating shaft (801), and the second gear (802) is meshed with the first gear (7021).