Water level measuring device for water conservancy project

Abstract

The water level measuring device for the water conservancy project comprises a support, a line roller is rotationally installed on the support, scale marks are connected to the outside of the line roller in a winding mode, and the tail ends of the scale marks are connected with probes; a protection structure is mounted on the probe and comprises an external thread sleeve, an internal thread sleeve, a cylinder and a through hole; the external thread sleeve is installed on an external protrusion of the probe, the internal thread sleeve is screwed on the external thread sleeve, the cylinder is arranged outside the probe in a sleeved mode and abuts against the probe, in the measuring process, a measuring head of the probe is slowly put downwards, the cylinder protects the probe, water enters the cylinder through the through hole, the detecting head of the sensor makes contact with a water body, induced potential is generated, and the water body is protected. After being processed by a circuit, the water level sensor sends out sound-light-electricity indication, and then the height difference between the water surface and the ground is read out from the scale marks and is converted into the altitude elevation, so that the water level can be measured.

Description

Technical Field

[0001] This patent relates to the field of water level measuring devices, specifically a water level measuring device used in water conservancy projects. Background Art

[0002] Groundwater level detectors can be widely used in water level measurement in water conservancy projects, hydrology and geography, environmental protection, industry and agriculture, etc., such as the measurement of groundwater levels and well water levels in rural irrigation areas, reservoir dams, river levees, power stations, etc. The instrument consists of a sensor probe head and a host and a winding wheel. When in use, slowly lower the probe head downward. When the sensor probe head contacts the water body, an induced potential is generated. After being processed by the circuit, an audible and optical indication is issued, and then the height difference between the water surface and the ground is read from the measuring ruler and converted into altitude.

[0003] However, when the sensor probe head of the current water level measuring device detects deeper groundwater, the sensor probe head may swing and hit the rock wall due to the soft winding line during the lowering process, which may easily damage the sensor probe head. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this patent is to provide a water level measuring device for water conservancy projects.

[0005] The technical solution adopted by this patent to solve its technical problem is: a water level measuring device for water conservancy projects, including a bracket, a wire roller is rotatably mounted on the bracket, a scale line is wound around the outside of the wire roller, and a probe is connected to the end of the scale line;

[0006] The probe is provided with a protective structure, which comprises an external thread sleeve, an internal thread sleeve, a cylinder and a through hole;

[0007] The external thread sleeve is installed on the external protrusion of the probe, the cylinder is installed on the internal thread sleeve, the through hole is opened on the cylinder, the internal thread sleeve is sleeved on the external thread sleeve, and the cylinder is sleeved outside the probe.

[0008] Further, a combing structure is installed on the bracket, and the combing structure includes a T-shaped plate, a groove, a servo motor, a circular groove, a bearing, a threaded rod, a vertical plate, a circular ring, a slider and a threaded hole;

[0009] The T-shaped plate is installed on the bracket, the groove is opened on the T-shaped plate, the servo motor is installed in the groove, the circular groove is opened in the groove, the outer ring of the bearing is installed in the circular groove, one end of the threaded rod is installed on the output shaft of the servo motor, and the other end of the threaded rod is installed in the inner ring of the bearing, the vertical plate is placed on the T-shaped plate, the circular ring is placed on the vertical plate, the scale line passes through the circular ring, the slider is placed on the vertical plate, the slider is placed in the groove, the threaded hole is opened on the slider, and the threaded rod is sleeved in the threaded hole.

[0010] Furthermore, a fixing structure is installed on the bracket, the number of the fixing structures is two, the fixing structures are symmetrically distributed on both sides with the midline of the bracket as the center, and the fixing structure includes a transverse groove, a pin and a pin shaft;

[0011] The transverse groove is arranged on the bracket, and the inserting pin is rotatably connected with the surface of the transverse groove through a pin shaft.

[0012] Furthermore, a mounting groove is provided on the vertical plate, a battery is embedded in the mounting groove, and the servo motor is electrically connected to the battery.

[0013] Furthermore, a handle is installed on the bracket, and a handle cover is installed outside the handle.

[0014] Furthermore, the handle cover is provided with finger grooves, the number of the finger grooves is four, and the finger grooves are evenly distributed on the handle cover.

[0015] The beneficial effects of this patent are:

[0016] 1. When in use, screw the internal thread sleeve onto the external thread sleeve, then the cylinder sleeve is outside the probe and on top of the probe. When measuring, slowly lower the probe head downward. During the downward process, the cylinder protects the probe, and water enters the cylinder through the through hole, so that the sensor head contacts the water body and generates an induced potential. After being processed by the circuit, an audible and optical indication is issued, and then the height difference between the water surface and the ground is read from the scale line, and then converted into the altitude to measure the water level;

[0017] 2. When the scale line is retracted and released along the circular ring, start the switch on the battery, the battery supplies power to the servo motor, and the output shaft of the servo motor drives the threaded rod to rotate forward and backward in the groove on the T-shaped plate through the bearing. The threaded rod rotates forward and backward along the threaded hole on the slider, so that the slider reciprocates along the groove, and the vertical plate of the slider tube drives the circular ring to reciprocate, so that the retracted and released scale lines can be wound or discharged on the wire roller in an orderly manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the patent structure.

[0019] Figure 2It is a schematic diagram of the patented external thread sleeve, internal thread sleeve and cylinder structure.

[0020] Figure 3 This is a schematic diagram of the patented T-shaped plate, groove and servo motor structure.

[0021] Figure 4 This is a schematic diagram of the patented transverse groove, pin and pin structure.

[0022] Explanation of the reference numerals: 1 bracket, 2 handle, 3 handle sleeve, 4 protective structure, 401 external threaded sleeve, 402 internal threaded sleeve, 403 cylinder, 404 through hole, 5 finger groove, 6 line roller, 7 scale line, 8 probe, 9 combing structure, 10 T-shaped plate, 11 groove, 12 servo motor, 13 circular groove, 14 bearing, 15 threaded rod, 16 vertical plate, 17 circular ring, 18 slider, 19 threaded hole, 20 fixing structure, 21 horizontal groove, 22 pin, 23 pin shaft, 24 mounting groove, 25 battery. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0024] See also Figure 1-4 This is a schematic diagram of the structure of the patent, a water level measuring device for water conservancy projects, including a bracket 1, a handle 2 is installed on the bracket 1, a handle cover 3 is installed outside the handle 2, a finger groove 5 is opened outside the handle cover 3, the number of finger grooves 5 is four, and the finger grooves 5 are evenly distributed on the handle cover 3. When holding the handle 2 and the handle cover 3, four fingers hold the finger grooves 5 tightly to grasp the handle 2. A wire roller 6 is rotatably installed on the bracket 1, and a scale line 7 is wound around the outside of the wire roller 6. The scale line 7 is a golden steel ruler cable. The end of the scale line 7 is connected to a probe 8, and the probe 8 is a stainless steel sensor probe. The water level detector consists of a bracket 1, a handle 2, a wire roller 6, a scale line 7 and a probe 8. Its model is SWJ-01;

[0025] The probe 8 is provided with a protective structure 4, which includes an external thread sleeve 401, an internal thread sleeve 402, a cylinder 403 and a through hole 404;

[0026] The external threaded sleeve 401 is installed on the external protrusion of the probe 8, and the cylinder 403 is installed on the internal threaded sleeve 402. The cylinder 403 is made of stainless steel, and the through hole 404 is opened on the cylinder 403. The through hole 404 is opened on the cylinder 403 in a dense form. The internal threaded sleeve 402 is sleeved on the external threaded sleeve 401, and the cylinder 403 is sleeved outside the probe 8. When in use, the internal threaded sleeve 402 is screwed on the external threaded sleeve 401, and the cylinder 403 is sleeved outside the probe 8 and pressed on the probe 8. When measuring, the probe 8 is slowly lowered downward. During the downward process, the cylinder 403 protects the probe 8, and water enters the cylinder 403 through the through hole, so that the sensor detection head contacts the water body and generates an induced potential. After being processed by the circuit, an acoustic and photoelectric indication is issued, and then the height difference between the water surface and the ground read from the scale line 7 is converted into an altitude to measure the water level.

[0027] A combing structure 9 is installed on the bracket 1, and the combing structure 9 includes a T-shaped plate 10, a groove 11, a servo motor 12, a circular groove 13, a bearing 14, a threaded rod 15, a vertical plate 16, a circular ring 17, a slider 18 and a threaded hole 19;

[0028] The T-shaped plate 10 is mounted on the bracket 1, the groove 11 is provided on the T-shaped plate 10, the servo motor 12 is mounted in the groove 11, the servo motor 12 is a micro motor, the circular groove 13 is provided in the groove 11, the outer ring of the bearing 14 is mounted in the circular groove 13, one end of the threaded rod 15 is mounted on the output shaft of the servo motor 12, the other end of the threaded rod 15 is mounted in the inner ring of the bearing 14, the vertical plate 16 is placed on the T-shaped plate 10, the circular ring 17 is mounted on the vertical plate 16, the scale line 7 passes through the circular ring 17, the slider 18 is mounted on the vertical plate 16, the slider 18 is placed in the groove 11, the threaded hole 19 is provided on the slider 18, and the threaded rod 15 is sleeved in the threaded hole 19;

[0029] A mounting groove 24 is provided on the vertical plate 16, and a battery 25 is embedded in the mounting groove 24. The servo motor 12 is electrically connected to the battery 25. When the scale line 7 is retracted and released along the ring 17, the switch on the battery 25 is started, and the battery 25 supplies power to the servo motor 12. The output shaft of the servo motor 12 drives the threaded rod 15 to rotate forward and backward in the groove 11 on the T-shaped plate 10 through the bearing 14. The threaded rod 15 rotates forward and backward along the threaded hole 19 on the slider 18, so that the slider 18 reciprocates along the groove 11. The slider 18 and the vertical plate 16 drive the ring 17 to reciprocate, so that the retracted scale line 7 can be wound or discharged onto the line roller 6 in an orderly manner.

[0030] The bracket 1 is provided with a fixing structure 20, the number of the fixing structures 20 is two, the fixing structures 20 are symmetrically distributed on both sides with the midline of the bracket 1 as the center, and the fixing structure 20 includes a transverse groove 21, a pin 22 and a pin shaft 23;

[0031] The transverse groove 21 is provided on the bracket 1, and the pin 22 is rotatably connected to the surface of the transverse groove 21 through a pin shaft 23. The pin shaft 23 is made of a steel shaft with a rubber material wrapped on the surface to increase the friction force of the rotation of the pin 22. When the bracket 1 contacts the ground, the pin 22 is rotated ninety degrees on the transverse groove 21 through the pin shaft 23, and the pin 22 is inserted into the soil, so that the bracket 1 is stably fixed.

[0032] When the present invention is working, before use, the internal thread sleeve 402 is screwed onto the external thread sleeve 402, and the cylinder 403 is sleeved on the outside of the probe 8 and pressed against the probe 8. When the bracket 1 contacts the ground, the pin 22 is rotated ninety degrees on the transverse groove 21 through the pin shaft 23, and the pin 22 is inserted into the soil to stabilize and fix the bracket 1. When the scale line 7 is retracted and released along the ring 17, the switch on the battery 25 is started, and the battery 25 supplies power to the servo motor 12, and the output shaft of the servo motor 12 drives the threaded rod 15. When the bearing 14 rotates forward and backward in the groove 11 on the T-shaped plate 10, the threaded rod 15 rotates forward and backward along the threaded hole 19 on the slider 18, so that the slider 18 reciprocates along the groove 11, and the slider 18 and the vertical plate 16 drive the ring 17 to reciprocate, so that the retracted scale line 7 can be wound or discharged on the line roller 6 in an orderly manner. When measuring, the probe 8 is slowly lowered downward. During the downward process, the cylinder 403 protects the probe 8, and water enters the cylinder 403 through the through hole, so that the sensor detection head contacts the water body and generates an induced potential. After being processed by the circuit, an acoustic and photoelectric indication is issued, and then the height difference between the water surface and the ground read from the scale line 7 is converted into an altitude to measure the water level.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water level measuring device for a hydraulic project, comprising a bracket (1), characterized in that: A wire roller (6) is rotatably mounted on the bracket (1), a scale line (7) is wound around the outside of the wire roller (6), and a probe (8) is connected to the end of the scale line (7); The probe (8) is mounted with a protective structure (4), wherein the protective structure (4) comprises an external thread sleeve (401), an internal thread sleeve (402), a cylinder (403) and a through hole (404); The external threaded sleeve (401) is mounted on the external protrusion of the probe (8), the cylinder (403) is mounted on the internal threaded sleeve (402), the through hole (404) is formed on the cylinder (403), the internal threaded sleeve (402) is sleeved on the external threaded sleeve (401), and the cylinder (403) is sleeved outside the probe (8).

2. A water level measuring device for water conservancy projects according to claim 1, characterized in that: The bracket (1) is provided with a combing structure (9), wherein the combing structure (9) comprises a T-shaped plate (10), a groove (11), a servo motor (12), a circular groove (13), a bearing (14), a threaded rod (15), a vertical plate (16), a circular ring (17), a sliding block (18) and a threaded hole (19); The T-shaped plate (10) is mounted on the bracket (1), the groove (11) is formed on the T-shaped plate (10), the servo motor (12) is mounted in the groove (11), the circular groove (13) is formed in the groove (11), the outer ring of the bearing (14) is mounted in the circular groove (13), one end of the threaded rod (15) is mounted on the output shaft of the servo motor (12), and the other end of the threaded rod (15) is mounted in the inner ring of the bearing (14), the vertical plate (16) is placed on the T-shaped plate (10), the circular ring (17) is placed on the vertical plate (16), the scale line (7) passes through the circular ring (17), the slider (18) is placed on the vertical plate (16), the slider (18) is placed in the groove (11), the threaded hole (19) is formed on the slider (18), and the threaded rod (15) is sleeved in the threaded hole (19).

3. A water level measuring device for water conservancy projects according to claim 1, characterized in that: The bracket (1) is provided with a fixing structure (20), the number of the fixing structures (20) being two, the fixing structures (20) being symmetrically distributed on both sides with the midline of the bracket (1) as the center, and the fixing structures (20) comprising a transverse groove (21), a pin (22) and a pin shaft (23); The transverse groove (21) is formed on the bracket (1), and the inserting pin (22) is rotatably connected to the surface of the transverse groove (21) via a pin shaft (23).

4. A water level measuring device for water conservancy projects according to claim 2, characterized in that: The vertical plate (16) is provided with a mounting groove (24), a storage battery (25) is embedded in the mounting groove (24), and the servo motor (12) is electrically connected to the storage battery (25).

5. The water level measuring device for water conservancy projects according to claim 1, characterized in that: A handle (2) is mounted on the bracket (1), and a handle cover (3) is mounted outside the handle (2).

6. A water level measuring device for water conservancy projects according to claim 5, characterized in that: The handle cover (3) is provided with finger grooves (5), the number of the finger grooves (5) is four, and the finger grooves (5) are evenly distributed on the handle cover (3).

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