Water level monitoring device for irrigation and water conservancy

Abstract

The invention relates to the technical field of water level monitoring, in particular to a water level monitoring device for irrigation and water conservancy, which comprises a fixing mechanism and a water level monitoring mechanism, and is characterized in that the fixing mechanism comprises more than three support rods distributed in an annular array, and the top of each support rod is provided with a cross rod horizontally extending inwards; the transverse rods at the tail ends of all the supporting rods are fixedly connected to a mounting sleeve, a threaded sleeve is arranged on the circumferential outer wall of the mounting sleeve, and a locking screw is in threaded connection with the interior of the threaded sleeve; the water level monitoring mechanism comprises an outer rod sleeve and an inner floating rod, the upper end of the outer rod sleeve is of a long circular tube structure, the upper end of the outer rod sleeve is higher than farmland crops, the inner floating rod is installed in the outer rod sleeve in a sliding mode, a strip-shaped water permeable groove is formed in the lower portion of the outer rod sleeve, a contact base is arranged at the bottom of the outer rod sleeve, and a sealed cavity is formed in the inner floating rod. By simplifying the structure, enhancing the fixing reliability, improving the observation convenience and using durable materials, related defects in the prior art are effectively overcome.

Description

Technical Field

[0001] The present invention relates to the technical field of water level monitoring, and particularly to a water level monitoring device for farmland water conservancy. Background Technique

[0002] In order to ensure better growth of rice in farmland, it is necessary to monitor the water level of the farmland to ensure appropriate water volume. Currently, usually people roughly estimate the water level by visual observation or using a ruler, and the water level measurement is inaccurate, making it difficult to provide reasonable water volume for farmland crops. In view of the above problems, the Chinese patent with application number 201810441962.9 discloses a farmland water use farmland water level monitoring device, including a bottom plate, support rods, a cross bar, a fixing mechanism, and a monitoring mechanism; support rods are symmetrically installed on the left and right sides of the top of the bottom plate, fixing mechanisms are provided on the left and right support rods, a cross bar is installed between the upper inner sides of the left and right support rods, and a monitoring mechanism is provided in the middle of the front side of the cross bar. Although this patent improves the accuracy of farmland water level monitoring to a certain extent, there are still many defects:

[0003] First, the technical solution of this patent has a complex structure and high maintenance difficulty. This technical solution includes multiple components (such as guide sleeves, movable rods, springs, bearing seats, slide rails, etc.), and the structure is relatively complex, increasing the difficulty of installation and maintenance.

[0004] Secondly, the reliability of the fixing mechanism is poor. In this technical solution, the fixing mechanism relies on the cooperation of insertion blocks and springs, and may not be stable enough in the case of large water level fluctuations or soft soil, resulting in the device tilting or shifting.

[0005] In addition, it is not easy to observe. This technical solution uses the position of the pointer on the scale to indicate the water level value, and it is difficult to observe the value of the needle position on the scale from a long distance during actual use.

[0006] Therefore, there is an urgent need for a new water level monitoring device for farmland water conservancy to provide an effective solution to the defects of the existing technology. Summary of the Invention

[0007] The purpose of the present invention is to provide a water level monitoring device for farmland water conservancy to solve the problems raised in the above background technique.

[0008] To achieve the above purpose, the present invention provides the following technical solutions:

[0009] A water level monitoring device for farmland water conservancy, comprising a fixing mechanism and a water level monitoring mechanism. The fixing mechanism includes more than three support rods distributed in an annular array. A horizontal cross bar extends inward at the top of each support rod. The cross bars at the ends of all support rods are fixedly connected to an installation sleeve. A threaded sleeve is provided on the circumferential outer wall of the installation sleeve, and a locking screw is threadedly connected in the threaded sleeve. The water level monitoring mechanism includes an outer rod sleeve and an inner floating rod. The outer rod sleeve is inserted into the installation sleeve and fixed by the locking screw. The upper end of the outer rod sleeve is of an oblong tubular structure, and the upper end of the outer rod sleeve is higher than the farm crops. The inner floating rod is slidably installed in the outer rod sleeve. A strip-shaped water permeable groove is opened at the lower part of the outer rod sleeve, and a contact base is provided at the bottom of the outer rod sleeve. The inside of the inner floating rod is a sealed cavity. The upper end of the inner floating rod extends out from the upper port of the outer rod sleeve, and a water level scale line is provided on the circumferential outer wall of the inner floating rod.

[0010] Further, the inner floating rod is slidably installed in the outer rod sleeve through a pair of linear bearings.

[0011] Further, a plurality of adjacent water level layer segmented color display areas are also provided on the circumferential outer wall of the inner floating rod. All the water level layer segmented color display areas have different colors, and the lengths of all the water level layer segmented color display areas are equal.

[0012] Further, a weight is filled at the bottom of the sealed cavity.

[0013] Further, a pointed head is provided at the bottom of the support rod, and a resistance increasing structure is provided above the pointed head.

[0014] Further, the resistance increasing structure is a plurality of annular protrusions protruding outward or annular grooves recessed inwardly distributed at equal distances.

[0015] Further, a mounting platform extending horizontally outward is provided on the circumferential outer wall of the installation sleeve, and a spirit level is installed on the upper surface of the mounting platform.

[0016] Further, upwardly protruding striking seats are provided at the tops of all the support rods.

[0017] Further, the fixing mechanism and the water level monitoring mechanism are made of stainless steel or aluminum alloy.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The present invention mainly consists of a fixing mechanism and a water level monitoring mechanism, reducing the number and complexity of components and lowering the difficulty of installation and maintenance. The fixing mechanism uses more than three support rods and crossbars distributed in a circular array, and is fixed through mounting sleeves and locking screws, ensuring the stability of the invention in the case of large water level fluctuations or soft soil, and avoiding the problems of tilting or displacement of the invention. The present invention effectively solves the related defects of the prior art by simplifying the structure, enhancing the fixing reliability, improving the observation convenience, and using durable materials.

[0020] 2. In the present invention, a plurality of adjacent water level layer segmented color display areas are provided on the circumferential outer wall of the inner floating rod. When the inner floating rod floats up and down with the change of the water level, the color display areas of different colors will be successively exposed at the upper port of the outer rod sleeve. By observing the color of the color display area exposed at the upper port of the outer rod sleeve, the segmented range to which the current water level belongs can be quickly judged. Different colors correspond to different water level intervals, facilitating the direct identification of the water level state at a distance.

[0021] 3. In the present invention, the spirit level on the mounting table is used to detect the horizontal state of the device. By observing the spirit level, the support rods can be adjusted to ensure the horizontal installation of the device and improve the water level monitoring accuracy.

[0022] 4. In the present invention, the pointed head facilitates inserting the support rod into the farmland soil; the anti-slip structure can increase the friction between the support rod and the farmland soil, enhancing the stability of the support rod; the striking seat is for hammering, facilitating inserting the support rod into the farmland soil by hammering. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of a water level monitoring device for farmland water conservancy;

[0024] Figure 2 It is a schematic structural diagram of the fixing mechanism;

[0025] Figure 3 It is a schematic structural diagram of the support rod;

[0026] Figure 4 It is a partial structural diagram of the top of the fixing mechanism;

[0027] Figure 5 It is a schematic structural diagram of the outer rod sleeve and the inner floating rod;

[0028] Figure 6 It is an exploded schematic structural diagram of the outer rod sleeve and the inner floating rod;

[0029] Figure 7 It is a schematic structural diagram of the inner floating rod;

[0030] Figure 8 It is a sectional view of the inner floating rod.

[0031] In the figure: 1, fixing mechanism; 2, support rod; 3, pointed head; 4, resistance increasing structure; 5, cross bar; 6, mounting sleeve; 7, threaded sleeve; 8, locking screw; 9, mounting table; 10, level; 11, sealed cavity; 12, striking seat; 13, water level monitoring mechanism; 14, outer rod sleeve; 15, water permeable groove; 16, contact base; 17, linear bearing; 18, inner floating rod; 19, water level layer segmented color display area; 20, water level scale line; 21, counterweight. Specific implementation mode

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0033] Embodiment 1: Please refer to Figures 1 to 8 , a water level monitoring device for farmland water conservancy, including a fixing mechanism 1 and a water level monitoring mechanism 13. The fixing mechanism 1 includes three or more support rods 2 distributed in a circular array. The top of the support rod 2 is provided with a cross bar 5 extending horizontally inward. The cross bars 5 at the ends of all the support rods 2 are fixedly connected to the mounting sleeve 6. The circumferential outer wall of the mounting sleeve 6 is provided with a threaded sleeve 7, and a locking screw 8 is threadedly connected in the threaded sleeve 7. The water level monitoring mechanism 13 includes an outer rod sleeve 14 and an inner floating rod 18. The outer rod sleeve 14 is inserted into the mounting sleeve 6 and fixed by the locking screw 8. The upper end of the outer rod sleeve 14 is a long circular tube structure, and the upper end of the outer rod sleeve 14 is higher than the farm crops. The inner floating rod 18 is slidably installed in the outer rod sleeve 14. A strip-shaped water permeable groove 15 is opened at the lower part of the outer rod sleeve 14. The bottom of the outer rod sleeve 14 is provided with a contact base 16. The inside of the inner floating rod 18 is a sealed cavity 11. The upper end of the inner floating rod 18 extends out from the upper port of the outer rod sleeve 14. The circumferential outer wall of the inner floating rod 18 is provided with a water level scale line 20.

[0034] The inner floating rod 18 is slidably installed in the outer rod sleeve 14 through a pair of linear bearings 17.

[0035] The bottom of the sealed cavity 11 is filled with a counterweight 21.

[0036] The fixing mechanism 1 and the water level monitoring mechanism 13 are made of stainless steel or aluminum alloy.

[0037] The working principle of this embodiment:

[0038] When the water level in the farmland changes, water enters the interior of the outer rod sleeve 14 through the water permeable groove 15 at the lower part of the outer rod sleeve 14. Since the interior of the inner floating rod 18 is a sealed cavity 11 and is filled with a counterweight 21 at the bottom, the inner floating rod 18 will float up and down with the change of the water level. The upper end of the inner floating rod 18 extends out from the upper port of the outer rod sleeve 14, and a water level scale line 20 is provided on the circumferential outer wall thereof. By observing the water level scale line 20 at the upper end of the inner floating rod 18, the current water level value can be directly read. The fixing mechanism 1 firmly fixes the device in the farmland through more than three support rods 2 and cross bars 5 distributed in an annular array. The mounting sleeve 6 fixes the outer rod sleeve 14 through a threaded sleeve 7 and a locking screw 8 to ensure the stability and reliability of the device in the farmland. The inner floating rod 18 is slidably mounted in the outer rod sleeve 14 through a pair of linear bearings 17 to ensure the smoothness and accuracy of the inner floating rod 18 when floating up and down. The fixing mechanism 1 and the water level monitoring mechanism 13 are made of stainless steel or aluminum alloy materials, having good corrosion resistance and durability, and are suitable for long-term use in the farmland environment. The upper end of the outer rod sleeve 14 is higher than the farmland crops. In this embodiment, it can be installed at any position in the farmland and does not affect the water level observation during the entire growth stage of the crops.

[0039] The structure of this embodiment is more concise, mainly composed of a fixing mechanism 1 and a water level monitoring mechanism 13, reducing the number and complexity of components and lowering the difficulty of installation and maintenance. In this embodiment, the fixing mechanism 1 adopts more than three support rods 2 and cross bars 5 distributed in an annular array and is fixed through a mounting sleeve 6 and a locking screw 8, ensuring the stability of this embodiment under the condition of large water level fluctuations or soft soil, and avoiding the problems of tilting or displacement of this embodiment.

[0040] Embodiment 2: Please refer to Figure 7 , a water level monitoring device for farmland water conservancy, which is different from Embodiment 1 in that a plurality of adjacent water level layer segmented color display areas 19 are further provided on the circumferential outer wall of the inner floating rod 18, and all the water level layer segmented color display areas 19 have different colors and all the water level layer segmented color display areas 19 have equal lengths.

[0041] In this embodiment, a plurality of adjacent water level layer segmented color display areas 19 are provided on the circumferential outer wall of the inner floating rod 18, and each area has a different color and an equal length. When the inner floating rod 18 floats up and down with the change of the water level, the color display areas 19 of different colors will be successively exposed from the upper port of the outer rod sleeve 14. By observing the color of the color display area 19 exposed from the upper port of the outer rod sleeve 14, the segmented range to which the current water level belongs can be quickly judged. Different colors correspond to different water level intervals, facilitating the intuitive identification of the water level state from a distance. The color display area 19 is used in cooperation with the water level scale line 20, further improving the intuitiveness and convenience of water level monitoring.

[0042] Embodiment 3: Please refer to Figure 4, A water level monitoring device for farmland water conservancy, which is different from that of Embodiment 1 in that a mounting table 9 extending horizontally outwards is provided on the circumferential outer wall of the mounting sleeve 6, and a spirit level 10 is mounted on the upper surface of the mounting table 9.

[0043] In this embodiment, the spirit level 10 on the mounting table 9 is used to detect the horizontal state of the device. By observing the spirit level 10, the support rod 2 can be adjusted to ensure that the device is installed horizontally, thereby improving the water level monitoring accuracy.

[0044] Embodiment 4: Please refer to Figures 1 to 4 , A water level monitoring device for farmland water conservancy, which is different from that of Embodiment 1 in that a pointed head 3 is provided at the bottom of the support rod 2, and a resistance increasing structure 4 is provided above the pointed head 3.

[0045] The resistance increasing structure 4 is a plurality of outwardly protruding annular protrusions or inwardly recessed annular grooves evenly distributed at equal intervals.

[0046] An upwardly protruding striking seat 12 is provided at the top of all the support rods 2.

[0047] In this embodiment, the pointed head 3 facilitates inserting the support rod 2 into the farmland soil; the resistance increasing structure 4 can increase the friction between the support rod 2 and the farmland soil, thereby enhancing the stability of the support rod; the striking seat 12 is for hammering, so as to insert the support rod 3 into the farmland soil by hammering.

Claims

1. A water level monitoring device for farmland water conservancy, characterized in that, It includes a fixing mechanism (1) and a water level monitoring mechanism (13): The fixing mechanism (1) includes more than three support rods (2) distributed in an annular array. A horizontal cross bar (5) extends inward at the top of the support rod (2). The cross bars (5) at the ends of all the support rods (2) are fixedly connected to the mounting sleeve (6). A threaded sleeve (7) is provided on the circumferential outer wall of the mounting sleeve (6), and a locking screw (8) is threadedly connected in the threaded sleeve (7); The water level monitoring mechanism (13) includes an outer rod sleeve (14) and an inner floating rod (18). The outer rod sleeve (14) is inserted into the mounting sleeve (6) and fixed by the locking screw (8). The upper end of the outer rod sleeve (14) is of an oblong tubular structure, and the upper end of the outer rod sleeve (14) protrudes above the farm crops. The inner floating rod (18) is slidably mounted in the outer rod sleeve (14). A strip-shaped water permeable groove (15) is provided at the lower part of the outer rod sleeve (14). A contact base (16) is provided at the bottom of the outer rod sleeve (14). The inside of the inner floating rod (18) is a sealed cavity (11). The upper end of the inner floating rod (18) extends out from the upper port of the outer rod sleeve (14). A water level scale line (20) is provided on the circumferential outer wall of the inner floating rod (18).

2. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: The inner floating rod (18) is slidably mounted in the outer rod sleeve (14) through a pair of linear bearings (17).

3. A water level monitoring device for farmland water conservancy according to claim 1, characterized in that: A plurality of adjacent water level layer segmented color display areas (19) are further provided on the circumferential outer wall of the inner floating rod (18). The colors of all the water level layer segmented color display areas (19) are different, and the lengths of all the water level layer segmented color display areas (19) are equal.

4. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: A weight (21) is filled at the bottom of the sealed cavity (11).

5. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: A pointed head (3) is provided at the bottom of the support rod (2), and a resistance increasing structure (4) is provided above the pointed head (3).

6. The water level monitoring device for farmland water conservancy according to claim 5, characterized in that: The resistance increasing structure (4) is a plurality of annular protrusions protruding outward or annular grooves recessed inwardly distributed at equal distances.

7. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: A mounting platform (9) extending horizontally outward is provided on the circumferential outer wall of the mounting sleeve (6), and a level (10) is mounted on the upper surface of the mounting platform (9).

8. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: Upward protruding striking seats (12) are provided at the tops of all the support rods (2).

9. The water level monitoring device for farmland water conservancy according to claim 1, characterized in that: The fixing mechanism (1) and the water level monitoring mechanism (13) are made of stainless steel or aluminum alloy materials.

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