Water level early warning device

Abstract

The utility model relates to the technical field of water level early warning, and provides a water level early warning device which comprises a fixed base (1), the upper end face of the fixed base (1) is fixedly connected with a supporting frame (2), a lifting mechanism (3) is arranged on the supporting frame (2), and the lifting mechanism (3) comprises a lifting seat (31) which slides on the supporting frame (2); the extension mechanism (5) is connected between the lifting seat (31) and the testing barrel (4) and used for adjusting the extension length of the testing barrel (4), a movable rod (6) slides in the testing barrel (4), the lower end of the movable rod (6) is fixedly connected with a floating plate (7), a first connecting frame (8) arranged in the water flow direction is connected between the movable rod (6) and the testing barrel (4), one end of the first connecting frame (8) is fixedly connected to the side wall of the movable rod (6), and the other end of the first connecting frame (8) is fixedly connected with the lifting seat (31). According to the utility model, the stability of the movable rod can be improved, and the length of the test cylinder extending out of the river bank can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of water level early warning, and more specifically, particularly to a water level early warning device. Background Art

[0002] Water level observations include riverbed changes, flow momentum, flow direction, flood diversion, ice conditions, aquatic plants, waves, wind direction, wind force, water surface fluctuation, water temperature and other factors that affect water level changes. In reservoir management, water level monitoring and early warning is an important management content.

[0003] Announcement No. CN218765507U discloses a water level warning device, including a fixed base, one side of the fixed base is fixedly connected to a support column, one side of the support column is fixedly connected to a support plate, one side of the support plate is rotatably connected to a screw rod through a bearing, one end of the screw rod is fixedly connected to a turntable, the outer surface of the screw rod is threadedly connected to a moving seat, one end of the moving seat is fixedly connected to a test cylinder, and one side of the test cylinder is plugged with a movable rod. The advantage of the utility model is that through the coordinated arrangement of the screw rod, the moving seat, the test cylinder, the movable rod, the connecting plate and the floating plate, the height of the floating plate can be adjusted, so that the floating plate can be adjusted to a suitable position according to actual conditions, so that the monitoring and warning height of the water level can be adjusted, the use scope of the water level warning device is expanded, and the practicality and structural flexibility of the water level warning device are improved. Floating objects are often carried along with the water flow in rivers. If the floating objects hit the float and the movable rod, the probability of the movable rod breaking and detaching from the test tube will increase. In addition, the surface conditions on the river bank are different. If it is difficult to fix the device near the river, and the extension length of the test tube cannot be adjusted, the test tube cannot be extended above the river, which reduces the applicability of the device. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a water level warning device, which can improve the stability of the movable rod and can adjust the length of the test tube extending out of the river bank.

[0005] A water level warning device comprises a fixed base with a support frame fixedly connected to the upper end surface, the support frame is provided with a lifting mechanism, the lifting mechanism comprises a lifting seat sliding on the support frame; it also comprises an extension mechanism connected between the lifting seat and a test cylinder for adjusting the extension length of the test cylinder, a movable rod sliding in the test cylinder, the lower end of the movable rod is fixedly connected to a floating plate, a first connecting frame arranged along the water flow direction is connected between the movable rod and the test cylinder, one end of the first connecting frame is fixedly connected to the side wall of the movable rod, and the other end slides on the side wall of the test cylinder.

[0006] Furthermore, a first metal sheet is provided at one end of the movable rod located in the testing cylinder, and a second metal sheet is provided on the top wall of the testing cylinder.

[0007] Furthermore, the first metal sheet and the second metal sheet are both electrically connected to an alarm disposed on the test cylinder.

[0008] Furthermore, a first limiting sliding groove is formed on the outer wall of the testing cylinder, and one end of the first connecting frame slides in the first limiting sliding groove.

[0009] Furthermore, the lifting mechanism also includes a first connecting plate and a second connecting plate fixedly connected to the side wall of the support frame away from the test cylinder, and a first rotating rod is rotatably connected to the first connecting plate and the second connecting plate, one end of the first rotating rod passes through the first connecting plate and a locking mechanism is arranged between the fixed base, and the first rotating rod is provided with a thread and is threadedly connected to the lifting seat.

[0010] Furthermore, the extending mechanism comprises a square tube fixedly connected to the lifting seat, a slider is slidably arranged on the square tube, and the Su Sohu test tube is fixedly connected to the lower end surface of the slider.

[0011] Furthermore, the extension mechanism also includes a second rotating rod rotatably connected to the lifting seat, one end of the second rotating rod is located in the lifting seat and fixedly connected to the output end of the servo motor, and the second rotating rod is threaded and penetrates and is threadedly connected to the slider.

[0012] Furthermore, one end of the lifting seat close to the testing cylinder is hollow inside and has a door hinged thereon, and a storage battery is also disposed inside the lifting seat.

[0013] Furthermore, a second connecting frame is fixedly connected to the upper end surface of the square tube, a second limiting sliding groove is provided on a side of the supporting frame close to the testing cylinder, and a free end of the second connecting frame slides in the second limiting sliding groove.

[0014] Furthermore, the cross-sections of the first limiting sliding groove and the second limiting sliding groove are both T-shaped.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] ① In the utility model, a first connecting frame is connected between the movable rod and the test cylinder. The first connecting frame is arranged along the water flow direction. One end of the first connecting frame is fixedly connected to the side wall of the movable rod, and the other end slides on the side wall of the test cylinder so that it does not affect the retraction of the movable rod into the test cylinder. A triangle is formed between the first connecting frame, the test cylinder and the movable rod, which improves the stability of the movable rod and reduces the probability of it being broken due to impact from floating objects.

[0017] ② In the utility model, the second rotating rod is rotated by the rotation output of the servo motor, and the slider can move along the length direction of the square tube under the restriction of the square tube, thereby adjusting the length of the test tube extending from the river bank. If it is difficult to fix the device near the river bank, the length of the test tube extending from the river bank can be adjusted, which can further improve the applicability of the device.

[0018] ③ In the present invention, the free end of the second connecting frame is adapted to the second limiting sliding groove and slides therein. The provision of the second connecting frame can improve the stability of the square tube, thereby improving the stability of the extension mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a water level warning device. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the overall structure of a water level warning device. Figure 2 ;

[0022] Figure 3 It is a side view of a water level warning device;

[0023] Figure 4 yes Figure 2 The enlarged view of point A in the middle;

[0024] Figure 5 is a cross-sectional view of the test tube and the first connecting frame;

[0025] Figure 6 is a schematic diagram of the second connecting frame.

[0026] In the figure: 1. fixed base; 2. support frame; 21. second limit slide groove; 3. lifting mechanism; 31. lifting seat; 32. first connecting plate; 33. second connecting plate; 34. first rotating rod; 4. test tube; 41. first limit slide groove; 5. extension mechanism; 51. square tube; 52. slider; 53. second rotating rod; 54. servo motor; 6. movable rod; 7. floating plate; 8. first connecting frame; 9. first metal sheet; 10. second metal sheet; 11. alarm; 12. locking mechanism; 121. rotating part; 122. fixed plate; 123. screw hole; 124. bolt; 13. battery; 14. box door; 15. second connecting frame. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment:

[0029] like Figure 1-5 As shown, a water level warning device comprises a fixed base 1, an opening is reserved on the fixed base 1, the device is installed on the river bank through the fixed base 1, the upper end surface of the fixed base 1 is fixedly connected to a support frame 2, the support frame 2 is provided with a lifting mechanism 3, the lifting mechanism 3 comprises a lifting seat 31 sliding in the support frame 2; it also comprises an extension mechanism 5 connected between the lifting seat 31 and a test cylinder 4, the extension length of the test cylinder 4 is adjusted by setting the extension mechanism 5, a movable rod 6 slides in the test cylinder 4, one end of the movable rod 6 located outside the test cylinder 4 is fixedly connected to a floating plate 7, an alarm 11 is provided on the test cylinder 4, and the movable rod 6 is provided with a floating plate 7. A first metal sheet 9 is provided at one end of the rod 6 located in the test cylinder 4, and a second metal sheet 10 is provided on the top wall of the test cylinder 4. The first metal sheet 9 and the second metal sheet 10 are electrically connected to the alarm 11 respectively; a first connecting frame 8 is connected between the movable rod 6 and the test cylinder 4, and the first connecting frame 8 is arranged along the water flow direction. One end of the first connecting frame 8 is fixedly connected to the side wall of the movable rod 6, and the other end slides on the side wall of the test cylinder 4 so that it does not affect the retraction of the movable rod 6 into the test cylinder 4. A triangle is formed between the first connecting frame 8, the test cylinder 4 and the movable rod 6, which improves the stability of the movable rod 6 and reduces the probability of it being broken due to impact from floating objects.

[0030] like Figure 1 , Figure 5 As shown, a first limiting slot 41 is provided on the outer wall of the test tube 4 , and the cross section of the first limiting slot 41 is T-shaped. One end of the first connecting frame 8 connected to the test tube 4 is adapted to the first limiting slot 41 , and this end slides in the first limiting slot 41 .

[0031] like Figure 1-3As shown, the lifting mechanism 3 also includes a first connecting plate 32 and a second connecting plate 33 fixedly connected to the side wall of the support frame 2 away from the test cylinder 4, and a first rotating rod 34 is rotatably connected to the first connecting plate 32 and the second connecting plate 33, one end of the first rotating rod 34 passes through the first connecting plate 32 and a locking mechanism 12 is provided between the fixed base 1 for preventing the first rotating rod 34 from rotating due to external force, the first rotating rod 34 is located between the first connecting plate 32 and the second connecting plate 33 and is provided with a thread on the rod body, and the first rotating rod 34 passes through and is threadedly connected to the lifting seat 31, and the height of the lifting seat 31 can be changed by rotating the first rotating rod 34 and under the restriction of the support frame 2, thereby changing the height of the test cylinder 4, thereby adjusting the water level monitoring and early warning height, thereby improving the applicability of the device.

[0032] like Figure 1-3 As shown, the extending mechanism 5 includes a square tube 51 fixedly connected to the lifting seat 31, a slider 52 slides on the square tube 51, and the test tube 4 is fixedly connected to the lower end surface of the slider 52, so that when the slider 52 slides on the square tube 51, the length of the test tube extending out of the river bank can be adjusted; the extending mechanism 5 also includes a second rotating rod 53 rotatably connected to the lifting seat 31, one end of the second rotating rod 53 is located in the lifting seat 31 and is fixedly connected to the output end of the servo motor 54 arranged in the lifting seat 31, and the second rotating rod 53 is located outside the lifting seat 31. The rod body is provided with a thread, and the second rotating rod 53 penetrates and is threadedly connected to the slider 52. The second rotating rod 53 is rotated by the rotation output of the servo motor 54, and the slider 52 can move along the length direction of the square tube 51 under the restriction of the square tube 51, thereby adjusting the length of the test tube 4 extending out of the river bank. If it is difficult to fix the device near the river bank, the length of the test tube 4 extending out of the river bank can be adjusted, which can further improve the applicability of the device.

[0033] like Figure 2 , Figure 3 As shown, the lifting seat 31 is hollow inside at one end close to the test tube 4 and is hinged with a box door 14. Opening the box door 14 facilitates the maintenance of the servo motor 54 arranged in the lifting seat 31. A battery 13 is also arranged in the lifting seat 31. The battery 13 is electrically connected to the servo motor 54 and is also electrically connected to the alarm 11.

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 6 As shown, the upper end surface of the square tube 51 is fixedly connected with the second connecting frame 15, and a second limiting slide groove 21 is opened on the side of the support frame 2 close to the test tube 4. The cross-section of the second limiting slide groove 21 is T-shaped, and the free end of the second connecting frame 15 is adapted to the second limiting slide groove 21 and slides therein. The provision of the second connecting frame 15 can improve the stability of the square tube 51, thereby improving the stability of the extending mechanism 5.

[0035] like Figure 2 , Figure 4 As shown, the locking mechanism 12 includes a rotating member 121 fixedly connected to the side wall of the first rotating rod 34 along the central axis of the first rotating rod 34, and also includes a fixed plate 122 fixedly connected to the upper end surface of the fixed base 1. The central axis of the fixed plate 122 is located on the same straight line as the central axis of the first rotating rod 34. A plurality of screw holes 123 are opened on the upper end surface of the fixed plate 122 along the central axis. A bolt 124 passes through and is threadedly connected on at least one rotating member 121. When the bolt 124 is threadedly connected to the screw hole 123 at a suitable position, the first rotating rod 34 can be fixed to prevent it from rotating due to external force, so that the height of the test tube 4 changes and the stability of the device is improved.

[0036] The working principle of a water level warning device in the present embodiment is as follows: when in use, the device is first fixed to a suitable position on the river bank by the fixed base 1, and the height of the lifting seat 31 can be changed by rotating the first rotating rod 34 and under the restriction of the support frame 2, thereby changing the height of the test tube 4, thereby adjusting the water level monitoring and warning height, and the second rotating rod 53 is rotated by the rotation output of the servo motor 54, and the slider 52 can move along the length direction of the square tube 51 under the restriction of the square tube 51, thereby adjusting the length of the test tube 4 extending out of the river bank, if it is difficult to fix the device near the river bank, the length of the test tube 4 extending out of the river bank can be adjusted, and a triangle is formed between the first connecting frame 8, the test tube 4 and the movable rod 6 to improve the stability of the movable rod 6. When a floating object hits the movable rod 6, the probability of the movable rod 6 being broken due to the impact of the floating object is reduced, thereby improving the service life of the device.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water level early warning device, characterized in that: The invention comprises a fixed base (1) having a support frame (2) fixedly connected to its upper end surface, a lifting mechanism (3) being arranged on the support frame (2), the lifting mechanism (3) comprising a lifting seat (31) sliding on the support frame (2); and an extension mechanism (5) connected between the lifting seat (31) and a test cylinder (4) for adjusting the extension length of the test cylinder (4), a movable rod (6) sliding in the test cylinder (4), the lower end of the movable rod (6) being fixedly connected to a floating plate (7), a first connecting frame (8) arranged along the water flow direction being connected between the movable rod (6) and the test cylinder (4), one end of the first connecting frame (8) being fixedly connected to the side wall of the movable rod (6), and the other end of the first connecting frame (8) sliding on the side wall of the test cylinder (4).

2. A water level warning device according to claim 1, characterized in that: A first metal sheet (9) is provided at one end of the movable rod (6) located inside the test cylinder (4), and a second metal sheet (10) is provided on the top wall of the test cylinder (4).

3. A water level warning device according to claim 2, characterized in that: The first metal sheet (9) and the second metal sheet (10) are both electrically connected to an alarm (11) provided on the test cylinder (4).

4. A water level warning device according to claim 3, characterized in that: The outer wall of the test tube (4) is provided with a first limiting sliding groove (41), and one end of the first connecting frame (8) slides in the first limiting sliding groove (41).

5. A water level warning device according to claim 4, characterized in that: The lifting mechanism (3) further comprises a first connecting plate (32) and a second connecting plate (33) fixedly connected to a side wall of the support frame (2) away from the test tube (4); a first rotating rod (34) is rotatably connected to the first connecting plate (32) and the second connecting plate (33); one end of the first rotating rod (34) passes through the first connecting plate (32) and a locking mechanism (12) is arranged between the first rotating rod (34) and the fixed base (1); a thread is arranged on the first rotating rod (34) and is threadably connected to the lifting seat (31).

6. A water level warning device according to claim 4, characterized in that: The extending mechanism (5) comprises a square tube (51) fixedly connected to the lifting seat (31), a slider (52) sliding on the square tube (51), and the Su Sohu test tube (4) is fixedly connected to the lower end surface of the slider (52).

7. A water level warning device according to claim 6, characterized in that: The extending mechanism (5) also includes a second rotating rod (53) rotatably connected to the lifting seat (31), one end of the second rotating rod (53) is located in the lifting seat (31) and is fixedly connected to the output end of the servo motor (54), and a thread is provided on the second rotating rod (53) and passes through and is threadedly connected to the slider (52).

8. A water level warning device according to claim 4, characterized in that: The end of the lifting seat (31) close to the testing cylinder (4) is hollow inside and is hinged with a box door (14). A storage battery (13) is also arranged inside the lifting seat (31).

9. A water level warning device according to claim 7, characterized in that: A second connecting frame (15) is fixedly connected to the upper end surface of the square tube (51), and a second limiting sliding groove (21) is provided on a side of the support frame (2) close to the test cylinder (4), and a free end of the second connecting frame (15) slides in the second limiting sliding groove (21).

10. A water level warning device according to claim 9, characterized in that: The cross sections of the first limiting sliding groove (41) and the second limiting sliding groove (21) are both T-shaped.

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