CN112504407A - Pressure type water level gauge time drift detection device - Google Patents
Pressure type water level gauge time drift detection device Download PDFInfo
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- CN112504407A CN112504407A CN202011303505.7A CN202011303505A CN112504407A CN 112504407 A CN112504407 A CN 112504407A CN 202011303505 A CN202011303505 A CN 202011303505A CN 112504407 A CN112504407 A CN 112504407A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000008400 supply water Substances 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
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
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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
- G01F23/14—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 by measurement of pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
A pressure type water level gauge time drift detection device comprises a clamping mechanism, a moving frame, a detection water tank, an installation cover, a water storage tank, a water pump, a water outlet pipe, a three-way pipe and a water inlet pipe; two clamping mechanisms, two moving frames and two detection water tanks are arranged; the clamping mechanism comprises two clamping plates, a rotating rod, a connecting rod, a mobile station, a connecting platform, a screw and a knob, wherein the two clamping plates, the two rotating rod and the two connecting rod are symmetrically arranged; and a driving device for driving the movable frame to move along the vertical direction is arranged in the mounting cover. The invention can firmly clamp the pressure type water level gauge, can adjust the pressure type water level gauge to different depths, has larger detection range and higher detection precision, and is more beneficial to detecting the measurement error of the pressure type water level gauge.
Description
Technical Field
The invention relates to the technical field of water level monitoring, in particular to a pressure type water level timing time drift detection device.
Background
The pressure type water level gauge is a water level gauge which uses a pressure-sensitive element as a sensor according to the hydrostatic pressure principle that pressure and water depth are in direct proportion. The pressure type water level gauge is manufactured by adopting an advanced isolation type diffused silicon sensitive element, can accurately measure the height from the tail end of the water level gauge to the water surface by directly throwing the pressure type water level gauge into a container or a water body, and outputs the water level value to the outside through 4-20mA current or RS485 signals, and is widely applied to the water level monitoring fields of urban water supply and drainage, sewage treatment, underground water, reservoirs, riverways, oceans and the like.
Before the pressure type water level gauge is put into use, the time drift detection is needed to be carried out on the pressure type water level gauge, the measurement error of the pressure type water level gauge in a certain period of time is detected, the drift detection device in the existing pressure type water level gauge is generally heavy in size, the pressure type water level gauge of clamping is easy to float in water, the position is unstable, the measurement accuracy of the pressure type water level gauge is low, the pressure type water level gauge can be placed only at a fixed depth, and the detection range is limited.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides the time drift detection device for the pressure type water level meter, which can firmly clamp the pressure type water level meter, can adjust the pressure type water level meter to different depths, has a larger detection range and higher detection precision, and is more favorable for detecting the measurement error of the pressure type water level meter.
(II) technical scheme
The invention provides a pressure type water level gauge time drift detection device which comprises a clamping mechanism, a moving frame, a detection water tank, an installation cover, a water storage tank, a water pump, a water outlet pipe, a three-way pipe and a water inlet pipe, wherein the clamping mechanism is arranged on the moving frame;
two clamping mechanisms, two moving frames and two detection water tanks are arranged; the clamping mechanism comprises two clamping plates, a rotating rod, a connecting rod, a mobile platform, a connecting platform, a screw rod and a knob, wherein the two clamping plates, the two rotating rod and the two connecting rod are symmetrically arranged; an inlet and an outlet for passing through the movable frame are formed in the top of the detection water tank; the mounting cover is arranged on the detection water tank, and a driving device for driving the moving frame to move along the vertical direction is arranged in the mounting cover; the water pumping end of the water pump is communicated with the water storage tank, the water discharging end of the water pump is communicated with the three-way pipe through the water outlet pipe, the three-way pipe is communicated with the detection water tank through the water inlet pipe, and the water inlet pipe is provided with a control valve.
Preferably, the clamping plate is provided with an installation groove; a clamping table is arranged in the mounting groove; the clamping table is of an elastic structure.
Preferably, the clamping table is provided with a clamping groove on the surface of one side far away from the clamping plate, and the clamping groove is an arc-shaped groove.
Preferably, a plurality of clamping grooves are arranged on the surface of one side, away from the clamping plate, of the clamping table side by side, and the clamping grooves in the two clamping tables are arranged in a staggered mode.
Preferably, a first shielding cover is connected between the mobile station and the connecting station; a second shielding cover is connected between the connecting table and the knob; the screw rod is located first shield cover and second shield cover inboard.
Preferably, drive arrangement includes the lead screw, the guide rail, from the driving wheel, the belt, action wheel and motor, lead screw and guide rail all are provided with two, lead screw and removal frame threaded connection, the vertical setting of lead screw, the lead screw rotates with the installation cover to be connected, remove the frame and slide and set up on the guide rail, the vertical setting of guide rail is on installation cover internal surface, the motor sets up on installation cover internal surface, the motor is connected with one of them lead screw drive, set up respectively on two lead screws from driving wheel and action wheel, pass through the belt from the driving wheel and be connected with the action wheel.
Preferably, the mounting cover is provided with an adjusting channel along the vertical direction, a shielding curtain is connected between the mounting cover and the movable frame, and the shielding curtain is positioned on the inner side of the adjusting channel.
Preferably, a guide table is arranged on the detection water tank; an indicating rod is arranged on the guide table in a sliding manner along the vertical direction; the bottom end of the indicating rod is connected with a floating ball, and the top end of the indicating rod is provided with an indicating needle; a fixing plate is vertically arranged on the detection water tank and is positioned on one side of the indicating rod, and scale marks are arranged on the fixing plate along the vertical direction;
the water pump clamp is characterized by further comprising a photoelectric sensor, a clamping plate, a threaded knob and a central controller, wherein the photoelectric sensor is arranged on the clamping plate, the photoelectric sensor faces one side of the indicating rod, the photoelectric sensor is in communication connection with the central controller, the clamping plate is of an F-shaped plate structure, the fixing plate is located on the inner side of the clamping plate, the threaded knob is in threaded connection with the clamping plate, the end portion of the threaded knob is abutted to the fixing plate, and the central controller is in control connection with the water pump.
Preferably, the bottom of the detection water tank and the bottom of the water storage tank are provided with bottom plates; a plurality of foot cups are arranged at the bottom of the bottom plate in an array manner; the detection water tank is provided with a handle.
Preferably, still include swing subassembly, movable plate and be used for driving the removal actuating mechanism that the movable plate reciprocated, the swing subassembly is provided with two sets ofly along longitudinal symmetry, and the swing subassembly is including preventing balladeur train, fixed station and connecting plate, and the antiskid frame bottom is provided with anti-skidding line, prevents that balladeur train tip and fixed station rotate to be connected, and fixed station and removal actuating mechanism all set up in the bottom plate bottom, and the connecting plate both ends rotate with antiskid frame and movable plate respectively and are connected.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the invention can firmly clamp the pressure type water level gauge, can adjust the pressure type water level gauge to different depths, has larger detection range and higher detection precision, and is more beneficial to detecting the measurement error of the pressure type water level gauge. Clamping a pressure type water level meter, placing the pressure type water level meter between two clamping plates, rotating a knob anticlockwise, driving a screw rod to rotate by the knob, driving a moving platform to move downwards by the screw rod, driving a rotating rod to swing downwards by the moving platform through a connecting rod, and driving the clamping plates to swing inwards by the rotating rod, so that the pressure type water level meter is clamped between the two clamping plates; and then the driving device drives the moving frame to move downwards, the moving frame drives the clamping mechanism and the pressure type water level meter to pass through the inlet and the outlet to move downwards, the corresponding depth is moved downwards according to the detection requirement, the pressure type water level meter reaches the water in the detection water tank, the detection interval of the pressure type water level meter is set according to the detection requirement, the detection is carried out for multiple times, and the detection error under the time drift is judged. The water pump can convey water into the detection water tank so as to keep the water level in the detection water tank in a stable state and offset the water quantity evaporated in the detection water tank in a natural state.
Drawings
Fig. 1 is a schematic structural diagram of a drift detection device for a pressure-type water level meter according to the present invention.
Fig. 2 is a sectional view of a drift detecting device for a pressure type water level meter according to the present invention.
Fig. 3 is a schematic view of a rotation principle structure of a screw rod in the pressure type water level gauge time drift detection device according to the present invention.
Fig. 4 is a schematic structural view of a clamping principle of a clamping table in the pressure type water level gauge time drift detection device provided by the invention.
Fig. 5 is a schematic structural diagram illustrating the indication principle of an indication rod and the installation principle of a photoelectric sensor in the pressure type water level gauge time drift detection device according to the present invention.
Fig. 6 is a schematic structural diagram of a fixed principle of a pressure type water level gauge time drift detection device according to the present invention.
Reference numerals: 1. a clamping table; 2. a splint; 3. rotating the rod; 4. a connecting rod; 5. a mobile station; 6. a connecting table; 7. a screw; 8. a knob; 91. a first shield cover; 92. a second shield cover; 10. a movable frame; 11. detecting a water tank; 111. an inlet and an outlet; 12. a screw rod; 13. a guide rail; 14. a driven wheel; 15. a belt; 16. a driving wheel; 17. a motor; 18. mounting a cover; 181. a curtain; 19. a floating ball; 20. an indication lever; 21. a guide table; 22. a fixing plate; 221. scale lines; 23. a water storage tank; 24. a water pump; 25. a water outlet pipe; 26. a three-way pipe; 27. a water inlet pipe; 271. a control valve; 28. a base plate; 29. a foot cup; 30. a handle; 31. a photosensor; 32. installing a clamping plate; 33. a threaded knob; 34. a skid prevention frame; 35. a fixed table; 36. a connecting plate; 37. moving the plate; 38. and a moving drive mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the time drift detection device for a pressure type water level gauge provided by the invention comprises a clamping mechanism, a moving frame 10, a detection water tank 11, an installation cover 18, a water storage tank 23, a water pump 24, a water outlet pipe 25, a three-way pipe 26 and a water inlet pipe 27;
two clamping mechanisms, two moving frames 10 and two detection water tanks 11 are arranged; the clamping mechanism comprises a clamping plate 2, a rotating rod 3, a connecting rod 4, a mobile station 5, a connecting station 6, a screw 7 and a knob 8, wherein the clamping plate 2, the rotating rod 3 and the connecting rod 4 are symmetrically arranged in two parts, one end of the rotating rod 3 is connected with the clamping plate 2, the other end of the rotating rod 3 is rotatably connected with the connecting station 6, the two ends of the connecting rod 4 are respectively rotatably connected with the rotating rod 3 and the mobile station 5, the screw 7 is vertically arranged, the bottom end of the screw 7 is rotatably connected with the mobile station 5, the top end of the screw 7 is connected with the knob 8, the screw 7 is in threaded connection with the connecting station 6, and; the top of the detection water tank 11 is provided with an inlet and outlet 111 for passing through the movable frame 10; the mounting cover 18 is arranged on the detection water tank 11, and a driving device for driving the moving frame 10 to move along the vertical direction is arranged in the mounting cover 18; the water pumping end of the water pump 24 is communicated with the water storage tank 23, the water discharging end of the water pump 24 is communicated with the three-way pipe 26 through the water outlet pipe 25, the three-way pipe 26 is communicated with the detection water tank 11 through the water inlet pipe 27, and the water inlet pipe 27 is provided with a control valve 271.
The invention can firmly clamp the pressure type water level gauge, can adjust the pressure type water level gauge to different depths, has larger detection range and higher detection precision, and is more beneficial to detecting the measurement error of the pressure type water level gauge. Clamping a pressure type water level meter, placing the pressure type water level meter between two clamping plates 2, rotating a knob 8 anticlockwise, driving a screw 7 to rotate by the knob 8, driving a moving table 5 to move downwards by the screw 7, driving a rotating rod 3 to swing downwards by the moving table 5 through a connecting rod 4, driving the clamping plates 2 to swing inwards by the rotating rod 3, and clamping the pressure type water level meter between the two clamping plates 2; then, the driving device drives the moving frame 10 to move downwards, the moving frame 10 drives the clamping mechanism and the pressure type water level meter to pass through the inlet and outlet 111 to move downwards, the clamping mechanism and the pressure type water level meter move downwards by a corresponding depth according to detection requirements, the pressure type water level meter reaches the water in the detection water tank 11, the detection interval of the pressure type water level meter is set according to the detection requirements, detection is carried out for multiple times, and detection errors under time drift are judged. The water pump 24 can supply water into the detection water tank 11 to keep the water level in the detection water tank 11 in a stable state and offset the water amount evaporated in the detection water tank 11 in a natural state.
In an alternative embodiment, the clamping plate 2 is provided with a mounting groove; a clamping table 1 is arranged in the mounting groove; the clamping table 1 is of an elastic structure.
It should be noted that, by arranging the clamping table 1, the pressure type water level gauge can be prevented from being scratched on the premise of clamping the pressure type water level gauge, and the clamping process is safer.
In an alternative embodiment, a clamping groove is arranged on the surface of one side of the clamping platform 1 away from the clamping plate 2, and the clamping groove is an arc-shaped groove.
It should be noted that, by providing the arc-shaped clamping groove, the contact area between the clamping table 1 and the pressure type water level gauge can be enlarged, the firmness of clamping the pressure type water level gauge is improved, and the pressure type water level gauge is prevented from falling off between the two clamping tables 1.
In an alternative embodiment, a plurality of clamping grooves are arranged side by side on the surface of one side of the clamping platform 1 away from the clamping plate 2, and the clamping grooves on the two clamping platforms 1 are arranged in a staggered manner.
It should be noted that, by arranging a plurality of clamping grooves and distributing the clamping grooves on the two clamping tables 1 in a staggered manner, the two clamping tables 1 can be clamped and embedded together, the firmness of clamping the pressure type water level gauge can be further improved, and the pressure type water level gauge can be stably detected for a long time.
In an alternative embodiment, a first shield 91 is connected between the mobile station 5 and the connection station 6; a second shielding cover 92 is connected between the connecting table 6 and the knob 8; the screw 7 is located inside the first and second shield covers 91 and 92.
It should be noted that, by providing the first shielding cover 91 and the second shielding cover 92, the screw 7 can be isolated and protected, so that moisture is prevented from entering the interior, and the screw 7 can be stably connected with the mobile station 5 and the connection station 6, thereby prolonging the service life.
In an alternative embodiment, the driving device comprises a screw rod 12, a guide rail 13, a driven wheel 14, a belt 15, a driving wheel 16 and a motor 17, two screw rods 12 and two guide rails 13 are arranged, the screw rod 12 is in threaded connection with the moving frame 10, the screw rod 12 is vertically arranged, the screw rod 12 is rotatably connected with the mounting cover 18, the moving frame 10 is slidably arranged on the guide rail 13, the guide rail 13 is vertically arranged on the inner surface of the mounting cover 18, the motor 17 is in driving connection with one of the screw rods 12, the driven wheel 14 and the driving wheel 16 are respectively arranged on the two screw rods 12, and the driven wheel 14 is connected with the driving wheel.
It should be noted that the motor 17 can drive one screw rod 12 to rotate, the screw rod 12 drives the driving wheel 16 to rotate, the driving wheel 16 drives the driven wheel 14 to rotate through the belt 15, the driven wheel 14 drives the other screw rod 12 to rotate, so that the two screw rods 12 are utilized to drive the moving frame 10 to move, the structure is compact, the occupied space is small, the guide rail 13 is used for guiding the moving direction of the moving frame 10, and the moving frame 10 can be ensured to stably move along the vertical direction.
In an alternative embodiment, the mounting cover 18 is provided with an adjusting passage along the vertical direction, and a shielding curtain 181 is connected between the mounting cover 18 and the movable frame 10, and the shielding curtain 181 is positioned inside the adjusting passage.
It should be noted that, by providing the shielding curtain 181, the adjusting passage can be shielded, so as to prevent the impurities in the outside air from entering the inside of the mounting cover 18, and prevent the influence on the normal operation of the screw rod transmission and the belt transmission.
In an alternative embodiment, the detection water tank 11 is provided with a guide table 21; an indication rod 20 is arranged on the guide table 21 in a sliding manner along the vertical direction; the bottom end of the indicating rod 20 is connected with a floating ball 19, and the top end of the indicating rod 20 is provided with an indicating needle; a fixing plate 22 is vertically arranged on the detection water tank 11, the fixing plate 22 is positioned on one side of the indicating rod 20, and scale marks 221 are arranged on the fixing plate 22 along the vertical direction;
the water pump clamping device is characterized by further comprising a photoelectric sensor 31, a clamping plate 32, a threaded knob 33 and a central controller, wherein the photoelectric sensor 31 is arranged on the clamping plate 32, the photoelectric sensor 31 faces one side of the indicating rod 20, the photoelectric sensor 31 is in communication connection with the central controller, the clamping plate 32 is of an F-shaped plate structure, the fixing plate 22 is located on the inner side of the clamping plate 32, the threaded knob 33 is in threaded connection with the clamping plate 32, the end portion of the threaded knob 33 abuts against the fixing plate 22, and the central controller is in control connection with the water pump 24.
It should be noted that, the floater 19 floats on the water in the detection water tank 11, can indicate the surface of water height indirectly, and the floater 19 drives the indication rod 20 and moves, and the guide table 21 is used for leading to the indication rod 20, and the scale mark 221 on the fixed plate 22 is pointed to at the top end of the indication rod 20, is convenient for observe the surface of water height in the detection water tank 11 directly, and the pointer can indicate the scale mark 221 more accurately, thereby can improve the precision of observing. By arranging the photoelectric sensor 31, the clamping plate 32, the threaded knob 33 and the central controller, when it is necessary to maintain the water level in the detection water tank 11 in a stable state, the photoelectric sensor 31 is adjusted to a corresponding height on the fixing plate 22 in advance, so that the photoelectric sensor 31 can detect the top end of the indication rod 20, when the water level in the detection water tank 11 is lowered, the floating ball 19 moves downwards, the indicating rod 20 moves downwards along with the floating ball 19, at the moment, the indicating rod 20 cannot be detected by the photoelectric sensor 31, the photoelectric sensor 31 sends a signal to the central controller, the central controller controls the water pump 24 to pump water into the detection water tank 11, the water level is raised, the floating ball 19 and the indicating rod 20 are raised until the top end of the indicating rod 20 moves to a position which can be detected by the photoelectric sensor 31, at the moment, the water pumping is stopped, therefore, the water level can be ensured to be always in a stable state, and the time drift accuracy of the pressure type water level meter can be ensured; when the height of the photoelectric sensor 31 is adjusted, the clamping plate 32 can be clamped on the fixing plate 22 only by rotating the threaded knob 33, and the operation is very convenient.
In an alternative embodiment, the bottom of the detection water tank 11 and the water storage tank 23 are provided with bottom plates 28; a plurality of foot cups 29 are arranged at the bottom of the bottom plate 28 in an array manner; the detection water tank 11 is provided with a handle 30.
By arranging the foot cup 29 and the handle 30, the detection device can be flexibly moved, fixed and transported according to the use requirement, and the use convenience is improved.
In an optional embodiment, the device further comprises a swinging assembly, a moving plate 37 and a moving driving mechanism 38 for driving the moving plate 37 to move up and down, the swinging assembly is symmetrically provided with two groups along the longitudinal direction, the swinging assembly comprises an anti-sliding frame 34, a fixed table 35 and a connecting plate 36, anti-sliding patterns are arranged at the bottom of the anti-sliding frame 34, the end part of the anti-sliding frame 34 is rotatably connected with the fixed table 35, the fixed table 35 and the moving driving mechanism 38 are both arranged at the bottom of the bottom plate 28, and the two ends of the connecting plate 36 are respectively rotatably connected with the anti-sliding frame.
It should be noted that, when the device needs to be fixed, the moving plate 37 is driven to move downwards by the moving driving mechanism 38, the moving plate 37 drives the two connecting plates 36 in the two sets of swing assemblies to move, the connecting plates 36 drive the anti-sliding frame 34 to swing inwards until the bottom end of the anti-sliding frame 34 abuts against the ground, and the anti-sliding patterns can improve the friction between the anti-sliding frame and the ground, so that the device can be firmly fixed on the ground, and the stability of the device during use is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A pressure type water level gauge time drift detection device is characterized by comprising a clamping mechanism, a moving frame (10), a detection water tank (11), a mounting cover (18), a water storage tank (23), a water pump (24), a water outlet pipe (25), a three-way pipe (26) and a water inlet pipe (27);
two clamping mechanisms, two moving frames (10) and two detection water tanks (11) are arranged; the clamping mechanism comprises a clamping plate (2), a rotating rod (3), a connecting rod (4), a moving platform (5), a connecting platform (6), a screw rod (7) and a knob (8), the clamping plate (2), the rotating rod (3) and the connecting rod (4) are symmetrically arranged in two numbers, one end of the rotating rod (3) is connected with the clamping plate (2), the other end of the rotating rod (3) is rotatably connected with the connecting platform (6), two ends of the connecting rod (4) are respectively rotatably connected with the rotating rod (3) and the moving platform (5), the screw rod (7) is vertically arranged, the bottom end of the screw rod (7) is rotatably connected with the moving platform (5), the top end of the screw rod (7) is connected with the knob (8), the screw rod (7) is in threaded connection with the connecting platform (6), and the connecting platform (6); the top of the detection water tank (11) is provided with an inlet and an outlet (111) for passing through the movable frame (10); the mounting cover (18) is arranged on the detection water tank (11), and a driving device for driving the moving frame (10) to move along the vertical direction is arranged in the mounting cover (18); the water pumping end of the water pump (24) is communicated with the water storage tank (23), the water discharging end of the water pump (24) is communicated with the three-way pipe (26) through the water outlet pipe (25), the three-way pipe (26) is communicated with the detection water tank (11) through the water inlet pipe (27), and the water inlet pipe (27) is provided with a control valve (271).
2. The pressure type water level gauge time drift detection device according to claim 1, wherein the clamping plate (2) is provided with an installation groove; a clamping table (1) is arranged in the mounting groove; the clamping table (1) is of an elastic structure.
3. The pressure type water level gauge time drift detection device according to claim 2, wherein a clamping groove is formed in the surface of one side, away from the clamping plate (2), of the clamping table (1), and the clamping groove is an arc-shaped groove.
4. The pressure type water level gauge time drift detection device according to claim 3, wherein a plurality of clamping grooves are arranged side by side on the surface of one side of the clamping table (1) far away from the clamping plate (2), and the clamping grooves on the two clamping tables (1) are arranged in a staggered manner.
5. A pressure type water level gauge time drift detection device according to claim 1, wherein a first shielding cover (91) is connected between the mobile station (5) and the connection station (6); a second shielding cover (92) is connected between the connecting table (6) and the knob (8); the screw (7) is positioned inside the first shield cover (91) and the second shield cover (92).
6. The pressure type water level gauge time drift detection device according to claim 1, wherein the driving device comprises a screw rod (12), a guide rail (13) and a driven wheel (14), belt (15), action wheel (16) and motor (17), lead screw (12) and guide rail (13) all are provided with two, lead screw (12) and removal frame (10) threaded connection, lead screw (12) vertical setting, lead screw (12) rotate with installation cover (18) and are connected, remove frame (10) and slide and set up on guide rail (13), guide rail (13) vertical setting is on installation cover (18) internal surface, motor (17) set up on installation cover (18) internal surface, motor (17) are connected with one of them lead screw (12) drive, follow driving wheel (14) and action wheel (16) set up respectively on two lead screw (12), follow driving wheel (14) and be connected with action wheel (16) through belt (15).
7. The pressure type water level gauge time drift detection device according to claim 6, wherein the mounting cover (18) is provided with an adjusting channel along a vertical direction, a shielding curtain (181) is connected between the mounting cover (18) and the movable frame (10), and the shielding curtain (181) is positioned inside the adjusting channel.
8. A pressure type water level gauge time drift detection device according to claim 1, wherein a guide table (21) is arranged on the detection water tank (11); an indication rod (20) is arranged on the guide table (21) in a sliding manner along the vertical direction; the bottom end of the indicating rod (20) is connected with a floating ball (19), and the top end of the indicating rod (20) is provided with an indicating needle; a fixing plate (22) is vertically arranged on the detection water tank (11), the fixing plate (22) is positioned on one side of the indicating rod (20), and scale marks (221) are arranged on the fixing plate (22) along the vertical direction;
still include photoelectric sensor (31), clamping plate (32), screw knob (33) and central controller, photoelectric sensor (31) set up on clamping plate (32), photoelectric sensor (31) are towards indicator lever (20) one side, photoelectric sensor (31) are connected with the central controller communication, clamping plate (32) are F shaped plate column structure, fixed plate (22) are located clamping plate (32) inboard, screw knob (33) and clamping plate (32) threaded connection, screw knob (33) tip butt is on fixed plate (22), central controller and water pump (24) control connection.
9. The pressure type water level gauge time drift detection device according to claim 1, wherein the bottom of the detection water tank (11) and the bottom of the water storage tank (23) are provided with bottom plates (28); a plurality of foot cups (29) are arranged at the bottom of the bottom plate (28) in an array manner; a handle (30) is arranged on the detection water tank (11).
10. The pressure type water level gauge time drift detection device according to claim 9, further comprising two sets of swing assemblies, a moving plate (37) and a moving driving mechanism (38) for driving the moving plate (37) to move up and down, wherein the swing assemblies are longitudinally and symmetrically arranged, each swing assembly comprises an anti-sliding frame (34), a fixed table (35) and a connecting plate (36), anti-sliding patterns are arranged at the bottom of the anti-sliding frame (34), the end of the anti-sliding frame (34) is rotatably connected with the fixed table (35), the fixed table (35) and the moving driving mechanism (38) are both arranged at the bottom of the bottom plate (28), and two ends of the connecting plate (36) are rotatably connected with the anti-sliding frame (34) and the moving plate (37) respectively.
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| JP2017009478A (en) * | 2015-06-24 | 2017-01-12 | 東京都 | Installation structure of immersion pressure type water gauge |
| CN206177422U (en) * | 2016-11-16 | 2017-05-17 | 水利部水文局 | Novel degree of accuracy of groundwater pressure type water level gauge detects device |
| CN206430790U (en) * | 2016-11-16 | 2017-08-22 | 水利部水文局 | A kind of pressure type water gauge time drift detection means |
| CN111537039A (en) * | 2020-04-18 | 2020-08-14 | 缪梓胜 | Pressure type fluviograph of lightning protection |
| CN211425591U (en) * | 2020-03-27 | 2020-09-04 | 杨天祥 | Water level monitoring equipment for hydraulic engineering |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009478A (en) * | 2015-06-24 | 2017-01-12 | 東京都 | Installation structure of immersion pressure type water gauge |
| CN206177422U (en) * | 2016-11-16 | 2017-05-17 | 水利部水文局 | Novel degree of accuracy of groundwater pressure type water level gauge detects device |
| CN206430790U (en) * | 2016-11-16 | 2017-08-22 | 水利部水文局 | A kind of pressure type water gauge time drift detection means |
| CN211425591U (en) * | 2020-03-27 | 2020-09-04 | 杨天祥 | Water level monitoring equipment for hydraulic engineering |
| CN111537039A (en) * | 2020-04-18 | 2020-08-14 | 缪梓胜 | Pressure type fluviograph of lightning protection |
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