Water level gauge and measuring method

Abstract

The invention discloses a water level gauge and a measuring method, and relates to the technical field of water level measurement, the water level gauge comprises a mounting rack, the bottom end of the mounting rack is fixedly connected with a support frame, the top end of the mounting rack is fixedly connected with a handle, the outer wall of the mounting rack is rotatably connected with a winding wheel, a scale and a probe, and the water level gauge further comprises a positioning mechanism and a fixing mechanism. The positioning mechanism is arranged, the positioning frame sleeves the top end of the water level observation opening, the rotating ring is rotated, the elastic block deforms to make contact with the outer wall of the water level observation opening, and the positioning frame is positioned on the water level observation opening; the two rubber wheels are close to each other to clamp the scaleplate; the motor runs to drive the rubber wheel to rotate, the rubber wheel rotates to drive the scale to move, the water level is conveniently measured, meanwhile, abrasion caused by friction between the scale and the opening position of the water level observation opening is prevented, the scale is controlled by the motor to automatically move up and down, and the manual operation amount is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of water level measurement, in particular to a water level meter and a measuring method. Background Art

[0002] The steel ruler water level gauge is a professional equipment in the field of hydrogeological monitoring. It is mainly composed of a stainless steel probe, a waterproof cable, a signal receiving device and a winding reel. It adopts the contact trigger principle to realize water level measurement. The circuit is triggered to close when the probe contacts the liquid surface. The signal is transmitted to the receiving device through the steel ruler cable with integrated conductors. When the stainless steel probe contacts the water surface, a closed loop is formed. The position of the measuring point is determined by sound prompts or peak indications, and accurate measurement is achieved in combination with the depth mark of the steel ruler cable.

[0003] However, when using a water level gauge, an operator is required to insert a probe into the water level observation port. During the insertion and removal of the probe, the scale and the wires surrounding the scale are susceptible to friction with the edge of the observation port, causing wear and tear, which shortens the service life of the water level gauge. Furthermore, sometimes the operator cannot access the water level observation port, making manual insertion and removal operations inconvenient. In order to reduce friction between the scale and the edge of the observation port, a water level gauge and a measurement method are provided. Summary of the Invention

[0004] The object of the present invention is to provide a water level gauge and a measuring method in order to reduce the friction between a scale and an edge of an observation port.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a water level gauge, comprising a mounting frame, the bottom end of the mounting frame is fixedly connected to a supporting frame, the top end of the mounting frame is fixedly connected to a handle, the outer wall of the mounting frame is rotatably connected to a winding wheel, the outer wall of the winding wheel is sleeved with a ruler, one side of the ruler is fixedly connected to a wire, one end of the ruler is fixedly connected to a probe, the outer wall of the winding wheel is fixedly connected to a rotating column and a buzzer, the ruler is positioned on the water level observation port by a positioning mechanism, the positioning mechanism comprises a positioning frame, the outer wall of the positioning frame is fixedly connected to a movable frame, the outer wall of the positioning frame is threadedly connected to a rotating ring, the top end of the inner wall of the positioning frame is fixedly connected to a limiting ring, the inner wall of the limiting ring is installed with a camera, the bottom end of the positioning frame is fixedly connected to an elastic block, and the positioning frame is displaced by a fixing mechanism.

[0006] As a further solution of the present invention: the positioning mechanism also includes a T-shaped plate, the T-shaped plate is fixedly connected to the top of the movable frame, the outer wall of the T-shaped plate is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to the rotating frame, the bottom end of the rotating frame is fixedly connected to a spur gear, the top of the rotating frame is rotatably connected to a rubber wheel, a motor is installed on the outer wall of the rotating frame, and the motor is used to drive the rubber wheel to rotate, the top of the positioning frame is slidably connected to a gear rod, the gear rod is in contact with the spur gear, the outer wall of the gear rod is fixedly connected to a connecting frame, the bottom end of the connecting frame is fixedly connected to a slider, and the top of the rotating ring is provided with an annular groove for the sliding of the slider.

[0007] As a further solution of the present invention: the fixing mechanism includes a base plate, the base plate is fixedly connected to the side of the outer wall of the mounting frame away from the winding wheel, the top of the base plate is fixedly connected to the mounting seat, the inner wall of the mounting seat is slidably connected to a movable seat, the movable frame is slidably connected to the inner wall of the movable seat, the bottom end of the movable frame is provided with a positioning groove, the interior of the movable seat is located below the movable frame and is slidably connected to a positioning block, a spring is connected between the positioning block and the movable seat, the top end of the mounting seat is rotatably connected to a rotating block, the bottom end of the rotating block is fixedly connected to a threaded rod, and the bottom end of the threaded rod is fixedly connected to the positioning plate.

[0008] As a further solution of the present invention: the fixing mechanism also includes a mounting shaft, the mounting shaft is fixedly connected to the inner wall of the winding wheel and is rotatably connected to the mounting bracket, one end of the mounting shaft is fixedly connected to a square block, the outer wall of the mounting seat is slidably connected to a displacement plate, the threaded rod passes through the displacement plate, the interior of the mounting bracket is provided with a rotating groove at one end of the mounting shaft, the inner wall of the rotating groove is rotatably connected to a rotating cylinder, one end of the rotating cylinder is fixedly connected to an extrusion block extending from the mounting bracket, the inner wall of the rotating cylinder is provided with a square groove, one end of the inner wall of the rotating groove is fixedly connected to a second clamping block, and the end of the rotating cylinder facing the second clamping block is fixedly connected to the first clamping block.

[0009] As a further solution of the present invention, the outer wall of the sliding block is in contact with the inner wall of the annular groove.

[0010] As a further solution of the present invention: a tooth groove is formed on the outer wall of the gear rod, and the tooth groove is engaged with the spur gear.

[0011] As a further solution of the present invention: the inner wall of the mounting seat fits with the outer wall of the movable seat, the outer wall of the movable frame fits with the inner wall of the movable seat, and the top outer wall of the positioning block fits with the inner wall of the positioning groove.

[0012] As a further solution of the present invention: a threaded hole is provided on the outer wall of the displacement plate, and the threaded hole matches the threaded rod.

[0013] As a further solution of the present invention: one end of the extrusion block extending out of the mounting frame is provided with a hemispherical surface, the outer wall of the rotating cylinder is fitted with the inner wall of the rotating groove, the outer wall of the mounting shaft is fitted with the inner wall of the rotating cylinder, and the inner wall of the square groove is fitted with the outer wall of the square block.

[0014] A water level meter measurement method, the specific steps are as follows: Step 1: Sleeve the positioning frame on the top of the water level observation port and insert the probe into the inner cavity of the water level observation port; Step 2: Rotate the rotating ring, the elastic block is squeezed and deformed, positioning the positioning frame on the water level observation port, and at the same time, the two rubber wheels move closer to each other to clamp the ruler; Step 3: Start the motor. The motor will drive the rubber wheel to rotate, and the rotation of the rubber wheel will drive the scale to move, so that the probe is inserted into the water level observation port. When the bottom end of the probe touches the liquid surface, the trigger circuit is closed and the buzzer sounds an alarm. At this time, the motor stops running and the camera sees the scale on the scale, thereby completing the water level measurement.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a positioning mechanism, the positioning frame is sleeved onto the top of the water level observation port, and the rotating ring is rotated, so that the elastic block is deformed and contacts the outer wall of the water level observation port, and the positioning frame is positioned on the water level observation port; the two rubber wheels approach each other to clamp the scale; the motor drives the rubber wheels to rotate, and the rotation of the rubber wheels drives the scale to move, which is convenient for measuring the water level and prevents the scale from rubbing against the opening of the water level observation port, thereby causing wear. The motor controls the scale to move up and down automatically, reducing the amount of manual operation; and the probe is lowered from the center of the upper end of the water level observation port, which can further reduce friction and wall collision.

[0016] 2. By setting up a fixing mechanism, the movable frame is pushed to slide horizontally on the inner wall of the movable seat; the movable seat is pushed to slide in the vertical direction in the mounting seat. The movement of the movable seat drives the movable frame to move in the vertical direction. The displacement of the movable frame drives the positioning frame to move, which is convenient for moving the positioning frame. After the measurement is completed, the position of the positioning frame is fixed, and the winding wheel is fixed synchronously to prevent the winding wheel from loosening during the movement of the water level meter.

[0017] 3. This invention can also be used to measure water levels at water level observation ports that are inaccessible to personnel. For example, if the water level observation port is separated from a location where the device can be placed or stood by a short or medium distance gully or swamp (within 2 meters), the mobile frame can be extended to move the positioning frame above the water level observation port. The long-arm two-finger gripper can then remotely grip and rotate the rotating ring to perform measurement operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the winding wheel of the present invention; Figure 3 It is a structural schematic diagram of the positioning frame of the present invention; Figure 4 This is a schematic diagram of the internal structure of the positioning frame of the present invention; Figure 5 Schematic diagram of the internal structure of the rotating ring of the present invention; Figure 6 This is a schematic diagram of the installation of the mobile rack of the present invention; Figure 7 It is a schematic diagram of the internal structure of the movable seat of the present invention; Figure 8 is a schematic diagram of the internal structure of the mounting frame of the present invention; Figure 9 is a schematic diagram of the internal structure of the mounting base of the present invention; Figure 10 Schematic diagram of the internal structure of the rotating drum of the present invention.

[0019] In the figure: 1. Mounting frame; 2. Support frame; 3. Handle; 4. Winding wheel; 5. Ruler; 6. Probe; 7. Buzzer; 8. Positioning mechanism; 801. Moving frame; 802. Positioning frame; 803. Rotating ring; 804. Limiting ring; 805. Elastic block; 806. T-shaped plate; 807. Rotating shaft; 808. Rotating frame; 809. Spur gear; 810. Rubber wheel; 811. Motor; 812. Gear rod; 813. Connecting frame; 814. Slider; 815. Annular groove; 816. Camera; 9. Fixing mechanism; 901. Base plate; 902. Mounting seat; 903. Movable seat; 904. Positioning groove; 905. Positioning block; 906. Spring; 907. Rotating block; 908. Threaded rod; 909. Positioning plate; 910. Mounting shaft; 911. Square block; 912. Displacement plate; 913. Rotating groove; 914. Rotating cylinder; 915. Square groove; 916. Extrusion block; 917. First clamping block; 918. Second clamping block; 10. Rotating column; 11. Water level observation port. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected, or connected in one piece; they can be mechanically connected or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following describes an embodiment of the present invention based on its overall structure.

[0022] See also Figures 1 to 10 In an embodiment of the present invention, a water level gauge includes a mounting frame 1, the bottom end of the mounting frame 1 is fixedly connected to a supporting frame 2, the top of the mounting frame 1 is fixedly connected to a handle 3, the outer wall of the mounting frame 1 is rotatably connected to a winding wheel 4, the outer wall of the winding wheel 4 is sleeved with a scale 5, one side of the scale 5 is fixedly connected to a wire, one end of the scale 5 is fixedly connected to a probe 6, the outer wall of the winding wheel 4 is fixedly connected to a rotating column 10 and a buzzer 7, the scale 5 is positioned on the water level observation port 11 through a positioning mechanism 8, the positioning mechanism 8 includes a positioning frame 802, the outer wall of the positioning frame 802 is fixedly connected to a movable frame 801, the outer wall of the positioning frame 802 is threadedly connected to a rotating ring 803, the top of the inner wall of the positioning frame 802 is fixedly connected to a limiting ring 804, the inner wall of the limiting ring 804 is installed with a camera 816, the bottom end of the positioning frame 802 is fixedly connected to an elastic block 805, and the positioning frame 802 is displaced by a fixing mechanism 9.

[0023] The positioning mechanism 8 also includes a T-shaped plate 806, which is fixedly connected to the top of the movable frame 801. The outer wall of the T-shaped plate 806 is rotatably connected to the rotating shaft 807. The outer wall of the rotating shaft 807 is fixedly connected to the rotating frame 808. The bottom end of the rotating frame 808 is fixedly connected to the spur gear 809. The top of the rotating frame 808 is rotatably connected to the rubber wheel 810. A motor 811 is installed on the outer wall of a rotating frame 808. The motor 811 is used to drive the rubber wheel 810 to rotate. The top of the positioning frame 802 is slidably connected to a gear rod 812, which contacts the spur gear 809. The outer wall of the gear rod 812 is fixedly connected to a connecting frame 813. The bottom end of the connecting frame 813 is fixedly connected to a slider 814. The top of the rotating ring 803 is provided with an annular groove 815 for the slider 814 to slide.

[0024] In this embodiment: when measuring the water level, the mounting bracket 1 is placed on one side of the water level observation port 11, and the moving bracket 801 drives the positioning frame 802 to move, so that the positioning frame 802 is sleeved on the top of the water level observation port 11, and the top of the water level observation port 11 contacts the bottom end of the limit ring 804, and the probe 6 is extended into the inner cavity of the water level observation port 11; after completion, the rotating ring 803 is rotated, and the rotating ring 803 rotates downward to move, and the rotating ring 803 moves and contacts the elastic block 805, squeezing the elastic block 805 to cause deformation, and the elastic block 805 deforms and contacts the outer wall of the water level observation port 11, positioning the positioning frame 802 on the water level observation port 11.

[0025] During the downward movement of the rotating ring 803, the displacement of the rotating ring 803 drives the connecting frame 813 to move downward through the slider 814, the displacement of the connecting frame 813 drives the gear rod 812 to move, the displacement of the gear rod 812 drives the spur gear 809 to rotate, the rotation of the spur gear 809 drives the rubber wheel 810 to perform circumferential displacement through the rotating frame 808, and the two rubber wheels 810 approach each other to clamp the ruler 5.

[0026] At this time, the motor 811 can be started. The operation of the motor 811 drives the rubber wheel 810 to rotate. The rotation of the rubber wheel 810 drives the scale 5 to move, thereby extending the probe 6 into the water level observation port 11. When the bottom end of the probe 6 contacts the liquid surface, the trigger circuit is closed, and the buzzer 7 sounds an alarm. At this time, the motor 811 stops running, and the camera 816 sees the scale on the scale 5, thereby completing the water level measurement. This design facilitates the measurement of the water level and prevents the scale 5 from rubbing against the opening of the water level observation port 11, thereby preventing wear and tear. The scale 5 is automatically moved up and down by the motor 811, reducing the amount of manual operation. The probe 6 is lowered from the upper center of the water level observation port 11, which can further reduce friction and collisions.

[0027] Please refer to Figures 6 to 10The fixing mechanism 9 includes a bottom plate 901, which is fixedly connected to the side of the outer wall of the mounting frame 1 away from the winding wheel 4. The top of the bottom plate 901 is fixedly connected to the mounting seat 902, and the inner wall of the mounting seat 902 is slidably connected to the movable seat 903. The movable frame 801 is slidably connected to the inner wall of the movable seat 903. A positioning groove 904 is provided at the bottom end of the movable frame 801. The interior of the movable seat 903 is located below the movable frame 801 and is slidably connected to a positioning block 905. A spring 906 is connected between the positioning block 905 and the movable seat 903. The top of the mounting seat 902 is rotatably connected to a rotating block 907. The bottom end of the rotating block 907 is fixedly connected to a threaded rod 908, and the bottom end of the threaded rod 908 is fixedly connected to a positioning plate 909. The fixing mechanism 9 also includes It includes a mounting shaft 910, which is fixedly connected to the inner wall of the winding wheel 4 and rotatably connected to the mounting frame 1. One end of the mounting shaft 910 is fixedly connected to a square block 911. The outer wall of the mounting seat 902 is slidably connected to a displacement plate 912. The threaded rod 908 passes through the displacement plate 912. A rotating groove 913 is provided at one end of the mounting shaft 910 inside the mounting frame 1. The inner wall of the rotating groove 913 is rotatably connected to a rotating cylinder 914. One end of the rotating cylinder 914 is fixedly connected to an extrusion block 916 extending from the mounting frame 1. A square groove 915 is provided on the inner wall of the rotating cylinder 914. One end of the inner wall of the rotating groove 913 is fixedly connected to a second clamping block 918. The end of the rotating cylinder 914 facing the second clamping block 918 is fixedly connected to a first clamping block 917.

[0028] In this embodiment: when the positioning frame 802 is displaced, the movable frame 801 is pushed to slide horizontally on the inner wall of the movable seat 903; the movable seat 903 is pushed to slide vertically in the mounting seat 902, and the displacement of the movable seat 903 drives the movable frame 801 to move in the vertical direction, and the displacement of the movable frame 801 drives the positioning frame 802 to move in the horizontal and vertical directions.

[0029] After the water level measurement is completed, the positioning frame 802 is moved up and the elastic block 805 is separated from the outer wall of the water level observation port 11, pushing the positioning frame 802 close to the winding wheel 4 for displacement. At this time, the movable frame 801 slides in the movable seat 903. After completion, the movable seat 903 is moved to the bottom end of the mounting seat 902, the positioning block 905 contacts the bottom end of the mounting seat 902, pushing the positioning block 905 to be displaced, causing the spring 906 to be squeezed, and the positioning block 905 is displaced and inserted into the positioning groove 904, fixing the movable frame 801 and the movable seat 903. Then, the rotating block 907 is rotated, and the rotating block 907 rotates to drive the threaded rod 908 to rotate. The threaded rod 908 rotates to drive the positioning plate 909 to rotate. One end of the positioning plate 909 rotates into the inner cavity of the mounting seat 902 and contacts the top of the movable seat 903, thereby fixing the position of the movable seat 903, and then fixing the position of the movable frame 801 and the positioning frame 802.

[0030] At the same time, when the threaded rod 908 rotates, the threaded rod 908 rotates to drive the displacement plate 912 to move downward, and the displacement plate 912 moves downward to contact the extrusion block 916, pushing the extrusion block 916 to move, and the extrusion block 916 displacement drives the rotating cylinder 914 to slide in the rotating groove 913. At this time, the square block 911 slides in the square groove 915, and the installation shaft 910 slides in the rotating cylinder 914 until the first clamping block 917 is engaged with the second clamping block 918, thereby fixing the installation shaft 910, thereby fixing the winding wheel 4, and preventing the winding wheel 4 from loosening during the movement of the water level gauge, so that the winding wheel 4 rotates and causes the scale 5 to fall off the winding wheel 4; this design facilitates the displacement of the positioning frame 802, and after the measurement is completed, the position of the positioning frame 802 is stored and fixed, and the winding wheel 4 is fixed synchronously to prevent the winding wheel 4 from loosening during the movement of the water level gauge.

[0031] Please refer to Figures 2 to 5 , the outer wall of the slider 814 fits with the inner wall of the annular groove 815 .

[0032] In this embodiment, the rotating ring 803 is rotated and displaced downward along the positioning frame 802. At this time, the slider 814 slides in the annular groove 815. The rotating ring 803 moves downward and drives the connecting frame 813 to move downward through the slider 814.

[0033] Please refer to Figures 2 to 5 The outer wall of the gear rod 812 is provided with a tooth groove, which meshes with the spur gear 809.

[0034] In this embodiment, the displacement of the connecting frame 813 drives the gear rod 812 to move, the displacement of the gear rod 812 drives the spur gear 809 to rotate, and the rotation of the spur gear 809 drives the rubber wheel 810 to perform circumferential displacement through the rotating frame 808.

[0035] Please refer to Figures 6 to 10 The inner wall of the mounting seat 902 fits in with the outer wall of the movable seat 903 , the outer wall of the movable frame 801 fits in with the inner wall of the movable seat 903 , and the top outer wall of the positioning block 905 fits in with the inner wall of the positioning groove 904 .

[0036] In this embodiment, the movable frame 801 is pushed to slide horizontally on the inner wall of the movable seat 903; the movable seat 903 is pushed to slide vertically in the mounting seat 902. The displacement of the movable seat 903 drives the movable frame 801 to move vertically, and the displacement of the movable frame 801 drives the positioning frame 802 to move. After the water level measurement is completed, the positioning frame 802 is pushed close to the winding wheel 4 for displacement. At this time, the movable frame 801 slides in the movable seat 903. After completion, the movable seat 903 is moved to the bottom end of the mounting seat 902. The positioning block 905 contacts the bottom end of the mounting seat 902, pushing the positioning block 905 to displace, causing squeezing of the spring 906. The positioning block 905 is displaced and inserted into the positioning groove 904, performing a fixing operation between the movable frame 801 and the movable seat 903.

[0037] Please refer to Figures 6 to 10 A threaded hole is provided on the outer wall of the displacement plate 912 , and the threaded hole matches the threaded rod 908 .

[0038] In this embodiment, the rotation block 907 rotates to drive the threaded rod 908 to rotate. When the threaded rod 908 rotates, the threaded rod 908 rotates to drive the displacement plate 912 to perform a downward displacement operation.

[0039] Please refer to Figures 6 to 10 The extrusion block 916 extends out of one end of the mounting frame 1 and is provided with a hemispherical surface. The outer wall of the rotating cylinder 914 fits with the inner wall of the rotating groove 913. The outer wall of the mounting shaft 910 fits with the inner wall of the rotating cylinder 914. The inner wall of the square groove 915 fits with the outer wall of the square block 911.

[0040] In this embodiment, when the threaded rod 908 rotates, the threaded rod 908 rotates and drives the displacement plate 912 to move downward. The displacement plate 912 moves downward and contacts the extrusion block 916, pushing the extrusion block 916 to move. The displacement of the extrusion block 916 drives the rotating cylinder 914 to slide in the rotating groove 913. At this time, the square block 911 slides in the square groove 915, and the installation shaft 910 slides in the rotating cylinder 914 until the first clamping block 917 engages with the second clamping block 918, thereby fixing the installation shaft 910. When the first clamping block 917 is separated from the second clamping block 918 , when the installation shaft 910 rotates, the installation shaft 910 rotates through the square block 911 to drive the rotating cylinder 914 to rotate synchronously.

[0041] A water level meter measurement method, the specific steps are as follows: Step 1: Sleeve the positioning frame 802 on the top of the water level observation port 11, and insert the probe 6 into the inner cavity of the water level observation port 11; Step 2: Rotate the rotating ring 803, and the elastic block 805 is squeezed and deformed, positioning the positioning frame 802 on the water level observation port 11. At the same time, the two rubber wheels 810 move closer to each other to clamp the scale 5. Step 3: Start the motor 811. The motor 811 drives the rubber wheel 810 to rotate. The rotation of the rubber wheel 810 drives the scale 5 to move, thereby extending the probe 6 into the water level observation port 11. When the bottom end of the probe 6 touches the liquid surface, the trigger circuit is closed and the buzzer 7 sounds an alarm. At this time, the motor 811 stops running, and the scale on the scale 5 is viewed through the camera 816, thereby completing the measurement of the water level.

[0042] It should be pointed out that the camera can be connected to smart terminals such as mobile phones and controllers through wireless signals, and the real-time images captured by the camera can be viewed through the smart terminal. This technology is a mature existing technology and its principles will not be elaborated here.

[0043] The present invention can also be applied to when workers measure the water level at a water level observation port 11 that is inconvenient to approach, such as when there is a gully or swamp of medium or short distance (within 2 meters) between the water level observation port 11 and the position where the device can be stood or placed. By extending the length of the movable frame 801, it can drive the positioning frame 802 to move to the top of the water level observation port 11, and then use the long-arm two-finger gripper to remotely clamp and rotate the rotating ring 803 to perform the measurement operation.

[0044] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A water level gauge, comprising a mounting frame (1), characterized in that: The bottom end of the mounting frame (1) is fixedly connected to a support frame (2), the top end of the mounting frame (1) is fixedly connected to a handle (3), the outer wall of the mounting frame (1) is rotatably connected to a reel (4), the outer wall of the reel (4) is sleeved with a scale (5), one side of the scale (5) is fixedly connected to a wire, one end of the scale (5) is fixedly connected to a probe (6), the outer wall of the reel (4) is fixedly connected to a rotating column (10) and a buzzer (7), and the scale (5) is positioned at the water level observation port (11) through a positioning mechanism (8). ), the positioning mechanism (8) includes a positioning frame (802), the outer wall of the positioning frame (802) is fixedly connected to a movable frame (801), the outer wall of the positioning frame (802) is threadedly connected to a rotating ring (803), the top of the inner wall of the positioning frame (802) is fixedly connected to a limiting ring (804), the inner wall of the limiting ring (804) is installed with a camera (816), the bottom end of the positioning frame (802) is fixedly connected to an elastic block (805), and the positioning frame (802) is displaced by the fixing mechanism (9).

2. A water level gauge according to claim 1, characterized in that: The positioning mechanism (8) further comprises a T-shaped plate (806), the T-shaped plate (806) being fixedly connected to the top end of the movable frame (801), the outer wall of the T-shaped plate (806) being rotatably connected to a rotating shaft (807), the outer wall of the rotating shaft (807) being fixedly connected to a rotating frame (808), the bottom end of the rotating frame (808) being fixedly connected to a spur gear (809), the top end of the rotating frame (808) being rotatably connected to a rubber wheel (810), and the outer wall of the rotating frame (808) being provided with a A motor (811) is provided, wherein the motor (811) is used to drive the rubber wheel (810) to rotate. A gear rod (812) is slidably connected to the top of the positioning frame (802). The gear rod (812) contacts the spur gear (809). The outer wall of the gear rod (812) is fixedly connected to a connecting frame (813). The bottom end of the connecting frame (813) is fixedly connected to a slider (814). The top end of the rotating ring (803) is provided with an annular groove (815) for the slider (814) to slide.

3. A water level gauge according to claim 2, characterized in that: The fixing mechanism (9) includes a bottom plate (901), the bottom plate (901) is fixedly connected to the side of the outer wall of the mounting frame (1) away from the winding wheel (4), the top of the bottom plate (901) is fixedly connected to the mounting seat (902), the inner wall of the mounting seat (902) is slidably connected to the movable seat (903), the movable frame (801) is slidably connected to the inner wall of the movable seat (903), and the bottom end of the movable frame (801) is provided with a positioning groove (901). 04), the interior of the movable seat (903) is located below the movable frame (801) and is slidably connected to a positioning block (905), a spring (906) is connected between the positioning block (905) and the movable seat (903), the top end of the mounting seat (902) is rotatably connected to a rotating block (907), the bottom end of the rotating block (907) is fixedly connected to a threaded rod (908), and the bottom end of the threaded rod (908) is fixedly connected to a positioning plate (909).

4. A water level gauge according to claim 3, characterized in that: The fixing mechanism (9) further comprises a mounting shaft (910), the mounting shaft (910) being fixedly connected to the inner wall of the reel (4) and being rotatably connected to the mounting frame (1), one end of the mounting shaft (910) being fixedly connected to a square block (911), the outer wall of the mounting seat (902) being slidably connected to a displacement plate (912), the threaded rod (908) passing through the displacement plate (912), and the interior of the mounting frame (1) being provided with a A rotating groove (913) is rotatably connected to the inner wall of the rotating groove (913) with a rotating cylinder (914), one end of the rotating cylinder (914) is fixedly connected to an extrusion block (916) extending from the mounting frame (1), a square groove (915) is formed on the inner wall of the rotating cylinder (914), one end of the inner wall of the rotating groove (913) is fixedly connected to a second clamping block (918), and one end of the rotating cylinder (914) facing the second clamping block (918) is fixedly connected to a first clamping block (917).

5. A water level gauge according to claim 2, characterized in that: The outer wall of the sliding block (814) fits into the inner wall of the annular groove (815).

6. A water level gauge according to claim 2, characterized in that: The outer wall of the gear rod (812) is provided with a tooth groove, and the tooth groove is engaged with the spur gear (809).

7. A water level gauge according to claim 4, characterized in that: The inner wall of the mounting seat (902) fits in contact with the outer wall of the movable seat (903), the outer wall of the movable frame (801) fits in contact with the inner wall of the movable seat (903), and the top outer wall of the positioning block (905) fits in contact with the inner wall of the positioning groove (904).

8. The water level gauge according to claim 4, characterized in that: A threaded hole is provided on the outer wall of the displacement plate (912), and the threaded hole matches the threaded rod (908).

9. The water level gauge according to claim 4, characterized in that: One end of the extrusion block (916) extending out of the mounting frame (1) is provided with a hemispherical surface, the outer wall of the rotating cylinder (914) is in contact with the inner wall of the rotating groove (913), the outer wall of the mounting shaft (910) is in contact with the inner wall of the rotating cylinder (914), and the inner wall of the square groove (915) is in contact with the outer wall of the square block (911).

10. A water level gauge measurement method, characterized in that: The specific steps are as follows: Step 1: Sleeve the positioning frame (802) onto the top of the water level observation port (11), and insert the probe (6) into the inner cavity of the water level observation port (11); Step 2: Rotate the rotating ring (803), the elastic block (805) is squeezed and deformed, and the positioning frame (802) is positioned on the water level observation port (11), and at the same time, the two rubber wheels (810) are brought close to each other to clamp the scale (5); Step 3: Start the motor (811). The motor (811) drives the rubber wheel (810) to rotate. The rotation of the rubber wheel (810) drives the scale (5) to move, thereby extending the probe (6) into the water level observation port (11). When the bottom end of the probe (6) contacts the liquid surface, the trigger circuit is closed and the buzzer (7) sounds an alarm. At this time, the motor (811) stops running and the camera (816) views the scale on the scale (5), thereby completing the measurement of the water level.

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