CN109238393B - Water level detection device for hydraulic engineering management - Google Patents
Water level detection device for hydraulic engineering management Download PDFInfo
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- CN109238393B CN109238393B CN201811320213.7A CN201811320213A CN109238393B CN 109238393 B CN109238393 B CN 109238393B CN 201811320213 A CN201811320213 A CN 201811320213A CN 109238393 B CN109238393 B CN 109238393B
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- water level
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention relates to the technical field of hydraulic engineering, in particular to a water level detection device for hydraulic engineering management, which comprises a frame body, wherein a fixed plate is fixedly arranged in the middle of the upper end of the frame body, an alternating current servo motor is fixedly arranged at the upper end of the fixed plate, an output shaft at the lower end of the alternating current servo motor is fixedly connected with a first driving rotating shaft, driven rotating shafts are arranged on two sides of the lower end of the first driving rotating shaft through transmission structures and are all rotatably arranged in the frame body, a T-shaped seat is fixedly arranged in the frame body at the lower end of the first driving rotating shaft, a scale rod is fixedly arranged in the middle of the lower end of the T-shaped seat, external threads are arranged on the driven rotating shafts at two sides, a nut is rotatably arranged on the. This water level detection device for hydraulic engineering management simple structure uses convenient operation, and the device at first drives the framework through drive structure and removes in aqueous to the measurement of different positions water level has been made things convenient for.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a water level detection device for hydraulic engineering management.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims. In hydraulic engineering, often need measure the water level, just so be favorable to the expansion of hydraulic engineering work, traditional water level measuring device simple structure uses and gets up the operation complicacy, just so very big reduction work efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water level detection device for hydraulic engineering management.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water level detection device for hydraulic engineering management is designed, and comprises a frame body, wherein a fixed plate is fixedly arranged in the middle of the upper end of the frame body, an alternating current servo motor is fixedly arranged at the upper end of the fixed plate, a first driving rotating shaft is fixedly connected with an output shaft at the lower end of the alternating current servo motor, the first driving rotating shaft penetrates through the fixed plate and extends into the frame body, driven rotating shafts are arranged on two sides of the lower end of the first driving rotating shaft through a transmission structure and are rotatably arranged in the frame body, a T-shaped seat is fixedly arranged in the frame body at the lower end of the first driving rotating shaft, a scale rod is fixedly arranged in the middle of the lower end of the T-shaped seat, external threads are arranged on the driven rotating shafts on two sides, a nut is rotatably arranged on the driven rotating shaft outside the external threads, a movable seat is arranged on the nut through, the cavity is internally and fixedly provided with a controller at the upper end, a piston plate is arranged in a moving seat at the lower end of the controller, the piston plate penetrates through the moving seat and extends out of the moving seat, second springs are fixedly arranged on two sides of the upper end of the piston plate and fixedly connected with the controller, a sliding plate is arranged on a scale rod at the lower end of the moving seat in a sliding mode, push rods are fixedly arranged on two sides of the upper end of the sliding plate, a first spring is fixedly arranged between the sliding plate and the moving seat, the first spring is sleeved on the scale rod, and a driving structure is fixedly arranged on one side of the outer portion of the frame body.
Preferably, the two ends of the driven rotating shaft are rotatably provided with bearing seats, the bearing seats are arranged on one side of the driven rotating shaft in the frame, and the bearing seats are fixedly arranged on the T-shaped seat on the other side of the driven rotating shaft.
Preferably, guide wheels are fixedly mounted on the periphery of the outer portion of the frame body.
Preferably, the transmission structure comprises a first bevel gear fixedly mounted at the bottom of the first driving rotating shaft and a second bevel gear fixedly mounted at one end of the driven rotating shaft close to the T-shaped seat, and the second bevel gear is matched with the first bevel gear.
Preferably, the hinge structure comprises a second hinge seat fixedly mounted at the lower end of the nut and first hinge seats fixedly mounted at two sides of the outer portion of the movable seat, and a hinge rod is hinged between the first hinge seat and the second hinge seat.
Preferably, the drive structure includes the AC asynchronous motor of fixed mounting in the outside one side of framework, AC asynchronous motor's output shaft fixedly connected with second initiative pivot, the one end fixed mounting that AC asynchronous motor was kept away from in second initiative pivot has the blade of a plurality of even equidistance arrangements.
Preferably, a motor waterproof cover is arranged outside the alternating current asynchronous motor, and the motor waterproof cover is fixedly installed on the frame body.
Preferably, the inside all around equal fixed mounting of removal seat has the scale brush, and the scale brush other end contacts with the scale rod.
The water level detection device for hydraulic engineering management provided by the invention has the beneficial effects that: this water level detection device for hydraulic engineering management simple structure uses convenient operation, and the device at first drives the framework through drive structure and removes in aqueous to made things convenient for the measurement of different positions water level, utilized AC servo motor to drive simultaneously and removed the seat and move down, just so can carry out real-time measurement, high-efficient and accurate to the water degree of depth.
Drawings
Fig. 1 is a schematic front view of a water level detection device for hydraulic engineering management according to the present invention.
Fig. 2 is a schematic top view of a water level detection device for hydraulic engineering management according to the present invention.
Fig. 3 is a schematic structural view of a movable seat of the water level detection device for hydraulic engineering management according to the present invention.
Fig. 4 is an enlarged schematic structural diagram of a part a of the water level detection device for hydraulic engineering management according to the present invention.
In the figure: the device comprises a frame body 1, external threads 2, a driven rotating shaft 3, a fixing plate 4, an alternating current servo motor 5, a first driving rotating shaft 6, a first bevel gear 7, a second bevel gear 8, a nut 9, a bearing seat 10, a motor waterproof cover 11, a second driving rotating shaft 12, blades 13, a hinged rod 14, a first hinged seat 15, a push rod 16, a first spring 17, a graduated rod 18, a sliding plate 19, a T-shaped seat 20, a second hinged seat 21, a guide wheel 22, a controller 23, a cavity 24, a piston plate 25, a moving seat 26, a second spring 27, a graduated brush 28 and an alternating current asynchronous motor 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a water level detection device for hydraulic engineering management, including framework 1, framework 1 upper end middle part fixed mounting has fixed plate 4, fixed plate 4 upper end fixed mounting has alternating current servo motor 5, alternating current servo motor 5 model is AKM servo motor, be provided with power control switch on the alternating current servo motor 5, and alternating current servo motor 5 has external power supply through the connection of electric lines, the first initiative pivot 6 of output shaft fixedly connected with of alternating current servo motor 5 lower extreme, and first initiative pivot 6 runs through fixed plate 4 and extends to in the framework 1, the material of framework 1 is the stereoplasm plastics that buoyancy is great, the quality is light, but the quality that can bear is great, and it is corrosion-resistant to soak in aqueous for a long time, when using, open alternating current servo motor 5, the output shaft rotation of alternating current servo motor 5 drives first initiative pivot 6 and rotates.
The two sides of the lower end of the first driving rotating shaft 6 are provided with driven rotating shafts 3 through transmission structures, each transmission structure comprises a first bevel gear 7 fixedly arranged at the bottom of the first driving rotating shaft 6 and a second bevel gear 8 fixedly arranged at one end, close to the T-shaped seat 20, of the corresponding driven rotating shaft 3, the second bevel gears 8 are matched with the first bevel gears 7, the driven rotating shafts 3 are rotatably arranged in the frame body 1, the first driving rotating shafts 6 rotate to drive the first bevel gears 7 to rotate, the first bevel gears 7 rotate to transmit the second bevel gears 8, the second bevel gears 8 rotate to drive the corresponding driven rotating shafts 3 to rotate, the first driving rotating shafts 6 are driven by the output shafts of the alternating current servo motors 5 to rotate to be switched between forward rotation and reverse rotation, and therefore the corresponding driven rotating shafts 3 are also switched between the forward rotation and the reverse rotation.
Fixed mounting has T type seat 20 in the framework 1 of first initiative pivot 6 lower extreme, driven spindle 3 both ends are all rotated and are provided with bearing frame 10, and one side bearing frame 10 is installed in framework 1, another side bearing frame 10 fixed mounting is on T type seat 20, T type seat 20 lower extreme middle part fixed mounting has scale bar 18, all be provided with external screw thread 2 on the driven spindle 3 of both sides, it is provided with nut 9 to rotate on the outer driven spindle 3 of external screw thread 2, the existence of bearing frame 10 makes the rotation of driven spindle 3 more stable, because the second bevel gear 8's of both sides turn to be opposite, therefore the external screw thread 2 of both sides is turned to the same, just so when making driven spindle 3 rotate, driven spindle 3 drives the nut 9 of both sides and moves in opposite directions.
Nut 9 is provided with through hinge structure and removes seat 26, hinge structure includes the articulated seat 21 of second and the first articulated seat 15 of fixed mounting in the outside both sides of removal seat 26 of fixed mounting at nut 9 lower extreme, and it is provided with hinge bar 14 to articulate between the articulated seat 21 of first articulated seat 15 and second, and remove the seat 26 cover and establish outside scale bar 18, when the nut 9 of both sides carries out the opposite motion, nut 9 drives the articulated seat 21 of second and removes, the articulated seat 21 of second removes the inclination that changes hinge bar 14, the inclination change of hinge bar 14 makes first articulated seat 15 drive and removes seat 26 and shifts up or move down.
A cavity 24 is respectively arranged at two sides in the movable seat 26, a controller 23 is fixedly arranged at the upper end in the cavity 24, the controller 23 is DC5501 in model number, the controller 23 is a built-in power supply controller, the controller 23 at one side controls the alternating current servo motor 5 through signals, the controller 23 at the other side controls the alternating current asynchronous motor 29 through signals, a piston plate 25 is arranged in the movable seat 26 at the lower end of the controller 23, the piston plate 25 penetrates through the movable seat 26 and extends out of the movable seat 26, scale brushes 28 are fixedly arranged at the periphery in the movable seat 26, the other ends of the scale brushes 28 are contacted with the scale rods 18, second springs 27 are fixedly arranged at two sides at the upper end of the piston plate 25, the second springs 27 are fixedly connected with the controller 23, a sliding plate 19 is arranged on the scale rods 18 at the lower end of the movable seat 26 in a sliding manner, push rods 16 are fixedly arranged at two sides at the upper end of the sliding, and the first spring 17 is sleeved on the scale rod 18, a driving structure is fixedly installed on one side of the outer part of the frame body 1, when the moving seat 26 moves downwards, because the first spring 17 is a strong spring and is not influenced by water flow resistance, the first spring 17 drives the sliding plate 19 to move downwards, the sliding plate 19 moves downwards to be contacted with the underwater ground, at this time, the sliding plate 19 stops moving downwards, but the moving seat 26 continues to move downwards until the push rod 16 pushes the piston plate 25 to be contacted with the controller 23 and the controller 23 is opened, the controller 23 controls the alternating current servo motor 5 and the alternating current asynchronous motor 29 to stop operating, and at this time, the water level depth can be calculated by calculating the inclination angle of the hinged rod 14.
The driving structure comprises an alternating current asynchronous motor 29 fixedly installed on one side of the outside of the frame body 1, the alternating current asynchronous motor 29 is an SPD type asynchronous motor, a power supply control switch is arranged on the alternating current asynchronous motor 29, the alternating current asynchronous motor 29 is connected with an external power supply through a wire, an output shaft of the alternating current asynchronous motor 29 is fixedly connected with a second active rotating shaft 12, one end, far away from the alternating current asynchronous motor 29, of the second active rotating shaft 12 is fixedly provided with a plurality of blades 13 which are uniformly and equidistantly arranged, a motor waterproof cover 11 is arranged outside the alternating current asynchronous motor 29, and the motor waterproof cover 11 is fixedly installed on the frame body 1. Guide wheels 22 are fixedly arranged on the periphery of the outer part of the frame body 1, when the device is used, an alternating current asynchronous motor 29 is turned on, the alternating current asynchronous motor 29 drives the second driving rotating shaft 12 to rotate, the second driving rotating shaft 12 drives the moving blade 13 to rotate, and therefore the device is driven.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The water level detection device for the hydraulic engineering management comprises a frame body (1) and is characterized in that a fixing plate (4) is fixedly mounted in the middle of the upper end of the frame body (1), an alternating-current servo motor (5) is fixedly mounted on the upper end of the fixing plate (4), a first driving rotating shaft (6) is fixedly connected to an output shaft at the lower end of the alternating-current servo motor (5), the first driving rotating shaft (6) penetrates through the fixing plate (4) and extends into the frame body (1), driven rotating shafts (3) are arranged on two sides of the lower end of the first driving rotating shaft (6) through a transmission structure, the driven rotating shafts (3) are rotatably arranged in the frame body (1), a T-shaped seat (20) is fixedly mounted in the frame body (1) at the lower end of the first driving rotating shaft (6), a scale rod (18) is fixedly mounted in the middle of the lower end of the T-shaped seat (20), external threads, the outer driven rotating shaft (3) of the external thread (2) is rotatably provided with a nut (9), the nut (9) is provided with a moving seat (26) through a hinged structure, the moving seat (26) is sleeved outside the scale rod (18), cavities (24) are formed in two sides of the inside of the moving seat (26), a controller (23) is fixedly installed at the upper end of the inside of each cavity (24), a piston plate (25) is arranged in the moving seat (26) at the lower end of the controller (23), the piston plate (25) penetrates through the moving seat (26) and extends out of the moving seat (26), second springs (27) are fixedly installed on two sides of the upper end of each piston plate (25), the second springs (27) are fixedly connected with the controller (23), a sliding plate (19) is slidably arranged on the scale rod (18) at the lower end of the moving seat (26), push rods (16) are fixedly installed on two sides of the upper end of the sliding plate (19, a first spring (17) is fixedly arranged between the sliding plate (19) and the moving seat (26), the first spring (17) is sleeved on the scale rod (18), and a driving structure is fixedly arranged on one side of the outer part of the frame body (1); the hinge structure comprises a second hinge seat (21) fixedly arranged at the lower end of the nut (9) and first hinge seats (15) fixedly arranged at two sides of the outer part of the moving seat (26), and a hinge rod (14) is hinged between the first hinge seat (15) and the second hinge seat (21); the driving structure comprises an alternating current asynchronous motor (29) fixedly installed on one side of the outer portion of the frame body (1), an output shaft of the alternating current asynchronous motor (29) is fixedly connected with a second driving rotating shaft (12), and a plurality of blades (13) which are uniformly and equidistantly arranged are fixedly installed at one end, far away from the alternating current asynchronous motor (29), of the second driving rotating shaft (12); a motor waterproof cover (11) is arranged outside the alternating current asynchronous motor (29), and the motor waterproof cover (11) is fixedly installed on the frame body (1).
2. The water level detection device for the water conservancy project management according to claim 1, wherein bearing seats (10) are rotatably arranged at both ends of the driven rotating shaft (3), the bearing seat (10) at one side is installed in the frame body (1), and the bearing seat (10) at the other side is fixedly installed on a T-shaped seat (20).
3. The water level detection device for the water conservancy project management according to claim 1, characterized in that guide wheels (22) are fixedly arranged on the periphery of the outer part of the frame body (1).
4. The water level detection device for the water conservancy project management according to claim 1, wherein the transmission structure comprises a first bevel gear (7) fixedly installed at the bottom of the first driving rotating shaft (6) and a second bevel gear (8) fixedly installed at one end of the driven rotating shaft (3) close to the T-shaped seat (20), and the second bevel gear (8) is matched with the first bevel gear (7).
5. The water level detection device for the water conservancy project management according to claim 1, wherein scale brushes (28) are fixedly arranged on the periphery inside the movable seat (26), and the other ends of the scale brushes (28) are in contact with the scale rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320213.7A CN109238393B (en) | 2018-11-07 | 2018-11-07 | Water level detection device for hydraulic engineering management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320213.7A CN109238393B (en) | 2018-11-07 | 2018-11-07 | Water level detection device for hydraulic engineering management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109238393A CN109238393A (en) | 2019-01-18 |
| CN109238393B true CN109238393B (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811320213.7A Active CN109238393B (en) | 2018-11-07 | 2018-11-07 | Water level detection device for hydraulic engineering management |
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| CN (1) | CN109238393B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238978B (en) * | 2020-01-11 | 2022-10-18 | 广东顺水工程建设监理有限公司 | Intensity check out test set of hydraulic engineering dam body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9201694A (en) * | 1992-09-30 | 1994-04-18 | Daily Control Services D C S B | Level meter |
| CN204439173U (en) * | 2015-03-27 | 2015-07-01 | 刘克 | Hydraulic engineering Level monitor |
| CN206787669U (en) * | 2017-04-24 | 2017-12-22 | 张欣 | Hydraulic engineering Level monitor |
| CN206919923U (en) * | 2017-06-03 | 2018-01-23 | 陈德虎 | A kind of hydraulic engineering high accuracy detection device |
| CN207248283U (en) * | 2017-08-30 | 2018-04-17 | 秦冬余 | A kind of water project management water-level detecting device |
| CN207779501U (en) * | 2017-12-18 | 2018-08-28 | 酒泉科聚生产力促进中心 | A kind of fixed-point type water surface level measurement device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132502A (en) * | 2002-10-11 | 2004-04-30 | Miyairi Valve Seisakusho:Kk | Level gauge installing device |
-
2018
- 2018-11-07 CN CN201811320213.7A patent/CN109238393B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9201694A (en) * | 1992-09-30 | 1994-04-18 | Daily Control Services D C S B | Level meter |
| CN204439173U (en) * | 2015-03-27 | 2015-07-01 | 刘克 | Hydraulic engineering Level monitor |
| CN206787669U (en) * | 2017-04-24 | 2017-12-22 | 张欣 | Hydraulic engineering Level monitor |
| CN206919923U (en) * | 2017-06-03 | 2018-01-23 | 陈德虎 | A kind of hydraulic engineering high accuracy detection device |
| CN207248283U (en) * | 2017-08-30 | 2018-04-17 | 秦冬余 | A kind of water project management water-level detecting device |
| CN207779501U (en) * | 2017-12-18 | 2018-08-28 | 酒泉科聚生产力促进中心 | A kind of fixed-point type water surface level measurement device |
Non-Patent Citations (1)
| Title |
|---|
| 水力自动闸门;何家骧;《广东水电科技》;19841230(第04期);第44-51页 * |
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Effective date of registration: 20230814 Address after: 518000 1009, No.1, langrong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Hongtu Technology Service Co.,Ltd. Address before: 325000 Wenzhou City National University Science Park incubator, No. 38 Dongfang South Road, Ouhai District, Wenzhou, Zhejiang Patentee before: WENZHOU VOCATIONAL & TECHNICAL College |
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