CN113740553A - Be used for irrigated area open channel water velocity of flow measuring device - Google Patents
Be used for irrigated area open channel water velocity of flow measuring device Download PDFInfo
- Publication number
- CN113740553A CN113740553A CN202111052953.9A CN202111052953A CN113740553A CN 113740553 A CN113740553 A CN 113740553A CN 202111052953 A CN202111052953 A CN 202111052953A CN 113740553 A CN113740553 A CN 113740553A
- Authority
- CN
- China
- Prior art keywords
- water
- open channel
- face
- plate
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a water flow velocity measuring device for an open channel of an irrigation area, which belongs to the technical field of flow velocity measuring devices and aims to solve the problem that the measuring accuracy is reduced when the water level of the conventional water flow velocity measuring device in the open channel drops to a large extent; a support column is arranged on the upper end face of the right side of the open channel, a control box is fixed on the right end face of the upper part of the support column, and a cooling part is arranged in the control box; a supporting plate is arranged in the open channel, and a lifting part slides on the inner side of the supporting plate; the bottom of the lifting part is provided with a flow velocity measuring sensor. According to the invention, through the arrangement of the lifting part, the mounting plate can drive the flow velocity measuring sensor to move downwards together when the water level descends, so that the flow velocity measuring sensor is always positioned below the water surface, and therefore, when the water level descending amplitude in the open channel is large, the flow velocity measuring sensor cannot be exposed out of the water, and the accuracy of the flow velocity measuring device in measuring the flow velocity is improved.
Description
Technical Field
The invention belongs to the technical field of flow velocity measuring devices, and particularly relates to a device for measuring the flow velocity of open channels in an irrigation area.
Background
The open channel water measurement in irrigation areas is a powerful measure for saving irrigation water and improving irrigation quality and irrigation efficiency, and is an important means for realizing planned water use and accurate water diversion, water delivery and water distribution. When measuring the water flow velocity in the open channel, a water flow velocity measuring device is generally used, and the water flow velocity measuring device generally comprises a support column, a flow velocity measuring sensor, a flow converter and the like.
For example, application No.: the invention discloses a drainage pipeline and open channel flow measuring device in the technical field of flow measurement, which has the characteristics of simple structure, capability of recording measurement data, namely, immediate assembly and disassembly without using, small influence by water quality and wide application range, and comprises a first supporting rod and a second supporting rod, wherein one end of the first supporting rod is in threaded connection with one end of the second supporting rod, the other end of the first supporting rod is connected with a first supporting disc, and the other end of the second supporting rod is connected with a second supporting disc; a sealed central control box is fixed on the first supporting rod, and the data collector is fixed in the sealed central control box; the second supporting rod is connected with a plurality of sensor fixing rods, the sensor fixing rods are provided with flow velocity sensors and water depth sensors, and the flow velocity sensors and the water depth sensors are connected with the data collector through data wires.
When the current water flow velocity measuring device is used, although the water flow velocity in the open channel can be measured in real time, the flow velocity measuring sensor in the current water flow velocity measuring device is usually fixedly installed at the specified height in the open channel, and when the water level in the open channel is greatly reduced, the flow velocity measuring sensor is exposed from water, so that the precision of the flow velocity measuring device in measuring the flow velocity is reduced, and although the flow converter in the current water flow velocity measuring device is installed in the control box, and radiating holes are formed in two sides of the control box, under the high-temperature environment in summer, the high temperature in the control box cannot be discharged through the radiating holes, because the outdoor temperature is relatively high, the service life of the flow converter in the high-temperature state for a long time can be influenced.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a water flow rate measuring device for an open channel of an irrigation area, which solves the problems that a flow rate measuring sensor in the existing water flow rate measuring device is usually fixedly installed at a specified height inside the open channel, and when the water level in the open channel drops to a large extent, the flow rate measuring sensor is exposed from water, so that the accuracy of the flow rate measuring device in measuring the flow rate is reduced, and although a flow converter in the existing water flow rate measuring device is installed in a control box and heat dissipation holes are formed on both sides of the control box, in a high temperature environment in summer, the high temperature inside the control box cannot be discharged through the heat dissipation holes, and the service life of the flow converter in a high temperature state for a long time is affected because the outdoor temperature is relatively high.
The invention relates to a device for measuring the water flow rate of an open channel in an irrigation area, which is realized by the following specific technical means:
a water flow velocity measuring device for an open channel of an irrigation area comprises an open channel; a support column is arranged on the upper end face of the right side of the open channel, a control box is fixed on the right end face of the upper part of the support column, and a cooling part is arranged in the control box; the open channel is internally provided with a supporting plate, a lifting part slides inside the supporting plate, the lifting part is of a frame structure, two sliding cylinders are arranged at the left end and the right end of the lifting part, a floating block is fixed at each of the left side and the right side of the bottom of the lifting part, the lower end of the middle side of the bottom of the lifting part is fixedly connected with a mounting plate through four connecting rods, two T-shaped sliding chutes are symmetrically formed in the upper end surface of the mounting plate in a left-right mode, a flow velocity measuring sensor slides on the upper end surface of the mounting plate, a limiting baffle is fixed at the rear end of the mounting plate, a limiting part is arranged in the middle of the rear end surface of the limiting baffle, and when the lifting part is in a lifting state, the four sliding cylinders are respectively connected with four limiting guide rods in a sliding mode; the bottom of the lifting part is provided with a flow velocity measuring sensor, the rear side of the bottom of the lifting part is provided with a limiting part, and the front side of the upper end surface of the open channel is fixed with a fixed support plate; the middle part of the front end face of the support column is provided with a pulling part.
Furthermore, the supporting plate is in an Contraband-shaped plate structure, four limiting guide rods are symmetrically arranged on the inner side of the supporting plate in a left-right manner, mounting plates are arranged on the left side and the right side of the supporting plate, and lifting parts are arranged outside the four limiting guide rods in a sliding manner;
furthermore, a flow converter is mounted on the left side face inside the control box, a controller is mounted on the inner side face of a box door of the control box, a temperature sensor is arranged at the bottom of the flow converter inside the control box, a cooling part is arranged on the outer side of the flow converter, the controller and the flow converter are both in common electrical connection with an external power supply, and the flow converter is in common electrical connection with the flow velocity measuring sensor through a wire;
further, the pulling part comprises a manual winch and a pulling rope, the manual winch is installed in the middle of the front end face of the supporting column, the pulling rope is wound on the manual winch, a rectangular plate is fixed to the other end of the pulling rope, the rectangular plate is fixed to the top of the lifting part, and a pulley installed on the left side of the supporting column slides outside the pulling rope;
furthermore, a connecting plate is fixed on the bottom end face of the flow velocity measuring sensor, two T-shaped sliding strips are symmetrically arranged on the left side and the right side of the bottom end face of the connecting plate, an inserting plate is fixed in the middle of the rear end face of the connecting plate, an inserting port is formed in the upper end face of the inserting plate, when the flow velocity measuring sensor and the lifting part are in an installation state, the two T-shaped sliding strips on the bottom end face of the connecting plate are respectively connected with the two T-shaped sliding grooves formed in the upper end face of the installation plate in a sliding mode, and the inserting plate penetrates through the lower portion of the limiting baffle;
the limiting part comprises a fixing frame, sliding blocks, an inserting block, a pulling plate and a limiting column, the fixing frame is fixed on the rear end face of the limiting baffle, strip-shaped sliding grooves are formed in the left side face and the right side face of the inside of the fixing frame, the sliding blocks slide in the fixing frame through the strip-shaped sliding grooves, the inserting block penetrating through the bottom of the fixing frame is arranged at the lower end of each sliding block, a limiting column is fixed on one side of the rear end face of the fixing frame, four T-shaped sliding columns are fixed on the rear end face of each sliding block, the pulling plates slide outside the four T-shaped sliding columns, springs are sleeved outside the four T-shaped sliding columns, a pulling rod is fixed on one side of each pulling plate, two guide rods in sliding connection with the top of the fixing frame are arranged on the upper end face of each sliding block, the springs are sleeved outside the two guide rods, and when the limiting part is in a limiting state, the inserting block is inserted into the inserting port formed in the inserting plate;
further, the cooling part comprises a water inlet pipe fitting, a water outlet pipe fitting, a water suction pump, a water outlet pipe, a water inlet pipe and a heat absorption pipe fitting, the water inlet pipe fitting is installed on the left side surface inside the control box, the right side of the water inlet pipe fitting is fixedly connected with the water outlet pipe fitting through four connecting columns, the water inlet pipe fitting and the water outlet pipe fitting are both in frame-shaped tubular structures, the four heat absorption pipe fittings are arranged between the water inlet pipe fitting and the water outlet pipe fitting, a water inlet of the water inlet pipe fitting penetrates through the bottom of the control box and is connected with the water suction pump, the water suction pump is installed on the right end surface of the supporting column, a water inlet pipe is connected with a water suction port of the water suction pump, the water inlet pipe is positioned on the right side inside the open channel, a filter screen is arranged at the water inlet port of the water inlet pipe, a water outlet pipe fitting penetrates through the bottom of the control box and is connected with a water outlet pipe, a water outlet is positioned above the open channel, and each heat absorption pipe fitting is in a serpentine tubular structure, and the peripheral surface of each transverse water pipe in each heat absorption pipe fitting is provided with six strip-shaped heat absorption sheets in an annular array shape.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the lifting part, when the water level in the open channel is lowered, the two floating blocks drive the lifting part to descend downwards under the action of water buoyancy, so that the mounting plate can drive the flow velocity measuring sensor to move downwards together, the flow velocity measuring sensor is always positioned below the water surface, and the flow velocity measuring sensor cannot be exposed out of the water when the water level in the open channel is lowered to a large extent, thereby improving the accuracy of the flow velocity measuring device in measuring the flow velocity.
2. According to the invention, through the matching of the temperature sensor, the controller and the cooling part, after the temperature sensor senses the phenomenon of higher temperature in the control box, a signal with higher temperature is transmitted to the controller, and then the cooling part starts to operate through the controller, so that the heat of the outer walls of the four heat absorption pipe fittings is taken out, the temperature in the control box can be quickly and effectively reduced, the flow converter is not in a high-temperature state for a long time, and the service life of the flow converter is greatly prolonged.
3. According to the invention, through the arrangement of the pulling part and the limiting part, when the flow velocity measurement sensor needs to be taken out of water for maintenance, the lifting part is pulled to the upper end through the lower end of the pulling rope only by rotating the crank on the manual winch, so that the pulling rope is wound, then the sliding block is pulled upwards through the pulling plate, so that the plug-in block is pulled out of the plug-in board, and then the flow velocity measurement sensor is detached from the mounting plate.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic structural diagram in a split state of the present invention.
Fig. 3 is a schematic view of the control box and cooling portion of the present invention.
Fig. 4 is a schematic view of the structure of the support plate and the lifting part of the present invention.
Fig. 5 is a schematic view of the flow rate measuring sensor and the stopper portion of the present invention.
Fig. 6 is a schematic structural view of a limit baffle and a limit part of the invention.
Fig. 7 is a schematic structural view of the limiting portion of the present invention after being disassembled.
Fig. 8 is a schematic view of the structure of the cooling part of the present invention.
Fig. 9 is a schematic view of the structure of the water inlet pipe and the heat absorbing pipe of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an open channel; 2. a support pillar; 3. a control box; 301. a controller; 302. a flow converter; 303. a temperature sensor; 5. a support plate; 501. a limiting guide rod; 6. a lifting part; 601. a sliding cylinder; 602. a floating block; 603. mounting a plate; 604. a limit baffle; 7. a flow rate measurement sensor; 701. a connecting plate; 702. a plugboard; 8. a pulling part; 801. a manual winch; 802. pulling the rope; 9. fixing a support plate; 10. a cooling section; 1001. a water inlet pipe fitting; 1002. a water outlet pipe; 1003. a water suction pump; 1004. a water outlet pipe; 1005. a water inlet pipe; 1006. a heat absorbing pipe; 11. a limiting part; 1101. a fixing frame; 1102. a slider; 1103. an insertion block; 1104. pulling the movable plate; 1105. a limiting 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 "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a device for measuring the water flow rate of an open channel in an irrigation area, which comprises: as shown in fig. 1, in the open channel 1, a support column 2 is installed on the upper end surface of the right side of the open channel 1, a control box 3 is fixed on the right end surface of the upper part of the support column 2, a flow converter 302 is installed on the left side surface inside the control box 3, as shown in fig. 3, and a controller 301 is installed on the inner side surface of a box door of the control box 3; a temperature sensor 303 is arranged at the bottom of the flow converter 302 in the control box 3 and used for monitoring the temperature in the control box 3, so that when the temperature reaches a certain value, a signal can be transmitted to the controller 301, a cooling part 10 is arranged outside the flow converter 302, the controller 301 and the flow converter 302 are both in common electrical connection with an external power supply, and the flow converter 302 is in common electrical connection with the flow velocity measuring sensor 7 through a lead; a cooling part 10 is arranged in the control box 3;
referring to fig. 4, a supporting plate 5 is installed inside the open channel 1, the supporting plate 5 is in an Contraband-shaped plate structure, four limiting guide rods 501 are symmetrically arranged on the left and right of the inner side of the supporting plate 5 and used for guiding the lifting part 6 during lifting, mounting plates are arranged on the left and right sides of the supporting plate 5 and used for fixing the supporting plate 5 into the open channel 1, and the lifting part 6 slides outside the four limiting guide rods 501; the lifting part 6 is arranged inside the supporting plate 5 in a sliding way;
referring to fig. 5, a flow velocity measuring sensor 7 is mounted at the bottom of the lifting part 6, a connecting plate 701 is fixed on the bottom end face of the flow velocity measuring sensor 7, two T-shaped sliding strips are symmetrically arranged on the left and right of the bottom end face of the connecting plate 701, an inserting plate 702 is fixed in the middle of the rear end face of the connecting plate 701, and an inserting port is formed in the upper end face of the inserting plate 702 and used for inserting with an inserting block 1103; when the flow velocity measurement sensor 7 and the lifting part 6 are in an installation state, the two T-shaped sliding strips on the bottom end face of the connecting plate 701 are respectively connected with the two T-shaped sliding grooves formed in the upper end face of the installation plate 603 in a sliding manner, so that the flow velocity measurement sensor 7 is more stable when being installed on the installation plate 603, and the plug-in board 702 penetrates through the lower part of the limiting baffle 604;
referring to fig. 6, a limiting portion 11 is arranged at the rear side of the bottom of the lifting portion 6, the limiting portion 11 includes a fixing frame 1101, a sliding block 1102, an insertion block 1103, a pulling plate 1104 and a limiting column 1105, the fixing frame 1101 is fixed on the rear end face of the limiting baffle 604, strip-shaped sliding grooves are formed in the left side face and the right side face of the inside of the fixing frame 1101 and used for guiding the sliding block 1102, the sliding block 1102 slides in the fixing frame 1101 through the strip-shaped sliding grooves, the insertion block 1103 penetrating through the bottom of the fixing frame 1101 is arranged at the lower end of the sliding block 1102 and used for inserting the insertion plate 702, and the limiting column 1105 is fixed on one side of the rear end face of the fixing frame 1101; four T-shaped sliding columns are fixed on the rear end face of the sliding block 1102, a pulling plate 1104 slides outside the four T-shaped sliding columns, springs are sleeved outside the four T-shaped sliding columns, so that the pulling plate 1104 has good elasticity, a pulling rod is fixed on one side of the pulling plate 1104, two guide rods in sliding connection with the top of the fixed frame 1101 are arranged on the upper end face of the sliding block 1102, springs are sleeved outside the two guide rods, so that the sliding block 1102 has good elasticity, the springs outside the guide rods can also achieve a limiting effect, and when the limiting part 11 is in a limiting state, the inserting block 1103 is inserted into an inserting port formed in the inserting plate 702, so that the flow velocity measuring sensor 7 can achieve an effective fixing effect on the mounting plate 603; a fixed support plate 9 is fixed on the front side of the upper end surface of the open channel 1; a pulling part 8 is arranged in the middle of the front end face of the supporting column 2, the pulling part 8 comprises a manual winch 801 and a pulling rope 802, as shown in fig. 1, the manual winch 801 is installed in the middle of the front end face of the supporting column 2, and the pulling rope 802 is wound on the manual winch 801 and is used for pulling the lifting part 6; the other end of the pulling rope 802 is fixed with a rectangular plate, the rectangular plate is fixed on the top of the lifting part 6, and a pulley installed on the left side of the supporting column 2 slides outside the pulling rope 802 and is used for changing the direction of the pulling rope 802.
Referring to fig. 5, the lifting part 6 is a frame-shaped structure, two sliding cylinders 601 are respectively arranged at the left end and the right end of the lifting part 6, a floating block 602 is fixed at each of the left side and the right side of the bottom of the lifting part 6 and used for floating the lifting part 6 on the water surface, and the lower end of the middle side of the bottom of the lifting part 6 is fixedly connected with a mounting plate 603 through four connecting rods and used for mounting a flow velocity measuring sensor 7; two T type spouts have been seted up to mounting panel 603 up end face bilateral symmetry form, and the mounting panel 603 up end slides and has velocity of flow measuring sensor 7, and mounting panel 603 rear end is fixed with limit baffle 604 for it is spacing to shelter from velocity of flow measuring sensor 7 after the installation, and limit baffle 604 rear end face middle part is equipped with spacing portion 11, and when the portion 6 that goes up and down was in the lift state, four sliding barrel 601 slide with four spacing guide arms 501 respectively and be connected.
Referring to fig. 3, the cooling portion 10 includes a water inlet pipe 1001, a water outlet pipe 1002, a suction pump 1003, a water outlet pipe 1004, a water inlet pipe 1005 and heat absorbing pipes 1006, the water inlet pipe 1001 is installed on the left side surface inside the control box 3, the right side of the water inlet pipe 1001 is fixedly connected with the water outlet pipe 1002 through four connecting columns for supporting the four heat absorbing pipes 1006, the water inlet pipe 1001 and the water outlet pipe 1002 are both frame-shaped tubular structures, and the four heat absorbing pipes 1006 are arranged between the water inlet pipe 1001 and the water outlet pipe 1002; a water inlet of the water inlet pipe 1001 penetrates through the bottom of the control box 3 and is connected with a water suction pump 1003 which is used for conveying a water source in the open channel 1 into the four heat absorption pipe 1006, so that the outer walls of the four heat absorption pipe 1006 can be quickly and effectively cooled, the water suction pump 1003 is installed on the right end face of the support column 2, a water suction port of the water suction pump 1003 is connected with a water inlet pipe 1005, a water inlet of the water inlet pipe 1005 is located on the right side in the open channel 1, a filter screen is arranged at the water inlet of the water inlet pipe 1005, and the blocking phenomenon of the sucked sundries on the pipe such as the water inlet pipe 1005 is avoided; the water outlet pipe 1004 is connected to the water outlet of the water outlet pipe 1002 penetrating through the bottom of the control box 3, the water outlet of the water outlet pipe 1004 is located above the open channel 1, each heat absorption pipe 1006 is of a serpentine tubular structure, and the peripheral surface of each transverse water pipe in each heat absorption pipe 1006 is provided with six strip-shaped heat absorption sheets in an annular array manner, so that the heat absorption pipes 1006 have a better heat absorption effect.
In another embodiment, two limiting sleeves are sleeved outside the pulling rope 802 and are respectively fixed on the lower part of the pulley and the right side of the pulley, so that the pulling rope 802 is not easy to fall off in the sliding process on the pulley, and the reliability of the pulling part 8 in use is greatly improved.
When in use: when the water level in the open channel 1 descends, the two floating blocks 602 descend downwards under the action of water buoyancy, so that the lifting part 6 descends downwards under the action of gravity, and the four sliding cylinders 601 are respectively in sliding connection with the four limiting guide rods 501, so that the stability of the lifting part 6 during lifting is improved, and then the mounting plate 603 drives the flow velocity measuring sensor 7 to move downwards through the descending lifting part 6, so that the flow velocity measuring sensor 7 is always positioned below the water surface, so that the flow velocity measuring sensor 7 cannot be exposed out of the water when the descending amplitude of the water level in the open channel 1 is large, and the accuracy of the flow velocity measuring device in measuring the flow velocity is improved;
when the outdoor temperature is higher, the internal temperature of the control box 3 will also be increased, then after sensing the phenomenon that the internal temperature of the control box 3 is higher through the temperature sensor 303, the signal with the higher temperature is transmitted to the controller 301, then the water suction pump 1003 is started through the controller 301, thereby the suction force is generated inside the water inlet pipe 1005, then the internal water source of the open channel 1 is filtered by the filter screen through the water inlet at the lower end of the water inlet pipe 1005 and then is conveyed to the interior of the water inlet pipe 1001, then the internal water source flows to the interior of the four heat absorption pipes 1006 through the four heat absorption pipes 1006, and then the internal water is discharged through the water outlet pipe 1004, thereby the heat on the outer walls of the four heat absorption pipes 1006 is taken out, thereby the internal temperature of the control box 3 can be rapidly and effectively reduced, thereby the flow converter 302 is not in a high-temperature state for a long time, and the service life of the flow converter 302 is greatly prolonged.
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 (10)
1. The utility model provides a be used for irrigated area open channel water velocity of flow measuring device which characterized in that: open channel water flow rate measuring device includes: an open channel;
a support column is arranged on the upper end face of the right side of the open channel, a control box is fixed on the right end face of the upper part of the support column, and a cooling part is arranged in the control box;
a supporting plate is arranged in the open channel, a lifting part slides inside the supporting plate, a flow velocity measuring sensor is arranged at the bottom of the lifting part, a limiting part is arranged at the rear side of the bottom of the lifting part, and a fixing support plate is fixed at the front side of the upper end surface of the open channel;
the middle part of the front end face of the support column is provided with a pulling part.
2. The device for measuring the flow rate of open channel water for an irrigation area according to claim 1, characterized in that: the left side surface in the control box is provided with a flow converter, and the inner side surface of the door of the control box is provided with a controller;
the inside flow converter bottom that is located of control box is equipped with temperature sensor, and the flow converter outside is equipped with the cooling portion, and controller and flow converter all are ordinary electric connection with external power source, and flow converter passes through the wire and is ordinary electric connection with velocity of flow measurement sensor.
3. The device for measuring the flow rate of open channel water for an irrigation area according to claim 1, characterized in that: the support plate is Contraband font platelike structure, and supports the plate inboard and be the bilateral symmetry form and be equipped with four spacing guide arms, supports the plate left and right sides and all is equipped with the installation plate, and four spacing guide arms outside slip has the portion of going up and down.
4. A device for measuring the flow rate of open channel water for an irrigation area as defined in claim 3, wherein: the lifting part is of a frame-shaped structure, the left end and the right end of the lifting part are respectively provided with two sliding cylinders, the left side and the right side of the bottom of the lifting part are respectively fixed with a floating block, and the lower end of the middle inner side of the bottom of the lifting part is fixedly connected with a mounting plate through four connecting rods;
two T type spouts have been seted up to the mounting panel up end left-right symmetry form, and the mounting panel up end slides and has velocity of flow measurement sensor, and the mounting panel rear end is fixed with limit baffle, and limit baffle rear end face middle part is equipped with spacing portion, and when the lifting unit was in the elevating system state, four sliding barrels slided with four spacing guide arms respectively and are connected.
5. The device for measuring the flow rate of open channel water for an irrigation area according to claim 1, characterized in that: a connecting plate is fixed on the bottom end face of the flow velocity measuring sensor, two T-shaped sliding strips are symmetrically arranged on the left and right of the bottom end face of the connecting plate, an inserting plate is fixed in the middle of the rear end face of the connecting plate, and an inserting port is formed in the upper end face of the inserting plate;
when the flow velocity measuring sensor and the lifting part are in an installation state, the two T-shaped sliding strips on the bottom end face of the connecting plate are respectively connected with the two T-shaped sliding grooves formed in the upper end face of the installation plate in a sliding mode, and the insertion plate penetrates through the lower portion of the limiting baffle.
6. The device for measuring the flow rate of open channel water for an irrigation area according to claim 1, characterized in that: the pulling part comprises a manual winch and a pulling rope, the manual winch is arranged in the middle of the front end face of the support column, and the pulling rope is wound on the manual winch;
the other end of the pulling rope is fixed with a rectangular plate, the rectangular plate is fixed to the top of the lifting portion, and a pulley installed on the left side of the supporting column slides outside the pulling rope.
7. A device for measuring the flow rate of open channel water for an irrigation area as defined in claim 2, wherein: the cooling part comprises a water inlet pipe fitting, a water outlet pipe fitting, a water suction pump, a water outlet pipe, a water inlet pipe and heat absorption pipe fittings, wherein the water inlet pipe fitting is arranged on the left side surface inside the control box, the right side of the water inlet pipe fitting is fixedly connected with the water outlet pipe fitting through four connecting columns, the water inlet pipe fitting and the water outlet pipe fitting are both in frame-shaped tubular structures, and the four heat absorption pipe fittings are arranged between the water inlet pipe fitting and the water outlet pipe fitting;
a water inlet of the water inlet pipe penetrates through the bottom of the control box and is connected with a water suction pump, the water suction pump is installed on the right end face of the support column, a water inlet of the water suction pump is connected with a water inlet pipe, a water inlet of the water inlet pipe is located on the right side of the inside of the open channel, and a filter screen is arranged at the water inlet of the water inlet pipe;
the water outlet of the water outlet pipe piece penetrates through the bottom of the control box and is connected with a water outlet pipe, and the water outlet of the water outlet pipe piece is located above the open channel.
8. The device for measuring the flow rate of open channel water for an irrigation area according to claim 4, wherein: the limiting part comprises a fixing frame, a sliding block, an inserting block, a pulling plate and a limiting column, the fixing frame is fixed on the rear end face of the limiting baffle, the left side face and the right side face of the inside of the fixing frame are both provided with strip-shaped sliding grooves, the inside of the fixing frame is provided with the sliding block in a sliding mode through the strip-shaped sliding grooves, the lower end of the sliding block is provided with the inserting block penetrating through the bottom of the fixing frame, and one side of the rear end face of the fixing frame is fixed with the limiting column;
four T-shaped sliding columns are fixed on the rear end face of the sliding block, pulling plates slide outside the four T-shaped sliding columns, springs are sleeved outside the four T-shaped sliding columns, a pulling rod is fixed on one side of the pulling plate, two guide rods in sliding connection with the top of the fixing frame are arranged on the upper end face of the sliding block, and the springs are sleeved outside the two guide rods.
9. The device for measuring the flow rate of open channel water for an irrigation area according to claim 7, wherein: each heat absorption pipe fitting is of a snake-shaped tubular structure, and six strip-shaped heat absorption sheets are arranged on the outer peripheral surface of each transverse water pipe in each heat absorption pipe fitting in an annular array mode.
10. The device for measuring the flow rate of open channel water for an irrigation area according to claim 4, wherein: when the limiting part is in a limiting state, the inserting block is inserted into the inserting port formed in the inserting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052953.9A CN113740553A (en) | 2021-09-09 | 2021-09-09 | Be used for irrigated area open channel water velocity of flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052953.9A CN113740553A (en) | 2021-09-09 | 2021-09-09 | Be used for irrigated area open channel water velocity of flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113740553A true CN113740553A (en) | 2021-12-03 |
Family
ID=78737373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111052953.9A Withdrawn CN113740553A (en) | 2021-09-09 | 2021-09-09 | Be used for irrigated area open channel water velocity of flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113740553A (en) |
-
2021
- 2021-09-09 CN CN202111052953.9A patent/CN113740553A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109283257A (en) | The test macro of temporal-spatial evolution is destroyed under rock deep ground complex environment | |
| CN113740553A (en) | Be used for irrigated area open channel water velocity of flow measuring device | |
| CN103278221B (en) | For the checkout equipment of intelligent telogenesis table | |
| CN116840519B (en) | Lightning protection detection device for building detection | |
| CN211262513U (en) | Connecting mechanism for thermocouple wire and thermocouple plug | |
| CN205229363U (en) | Adjustable oil immersed forced air cooled transform experimental apparatus of oil duct | |
| CN209148604U (en) | Rock failure mechanism of rock temporal-spatial evolution test macro under deep ground complex environment | |
| CN217188762U (en) | Graphite falling film absorber with efficient absorption cooling | |
| CN212872876U (en) | Electric energy meter calibrating installation is to monitoring type instrument detection device | |
| CN212378907U (en) | Infrared thermal imager for indoor detection | |
| CN218496481U (en) | Power plant steam sampling equipment who facilitates use | |
| CN220711842U (en) | Monitoring structure | |
| CN212339011U (en) | LED street lamp with good heat dissipation effect | |
| CN112050666A (en) | Hot metal bottle waste heat utilization system | |
| CN215178351U (en) | Pressure sensor detection device with high measurement accuracy | |
| CN203561407U (en) | Equipment for detecting intelligent finished meter | |
| CN215726252U (en) | Liquid level monitoring intelligent calibration device | |
| CN218174980U (en) | Accuse temperature subassembly and install ferment fermentation cylinder of this subassembly | |
| CN218724462U (en) | Detachable water meter convenient to install | |
| CN217304091U (en) | Transformer oil liquid level monitoring device | |
| CN106198385B (en) | Flue gas detection system | |
| CN216839703U (en) | Automatic change secondary water supply overflow protection device | |
| CN205002299U (en) | Heat -exchanger | |
| CN219391035U (en) | Multi-sound-channel ultrasonic flowmeter tube section structure | |
| CN218035262U (en) | Water level monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211203 |
|
| WW01 | Invention patent application withdrawn after publication |