Water level measuring device for thermal power plant

Abstract

The invention relates to the technical field of thermal power plants, and discloses a water level measuring device for a thermal power plant, which comprises a supporting plate, the upper surface of the supporting plate is fixedly connected with a first fixing plate, the top of the first fixing plate is movably connected with a first threaded rod, and the outer side of the first threaded rod is movably connected with a first sliding block; a first rotating shaft is movably connected to one side of the first sliding block, a first winding roller is fixedly connected to one end of the first rotating shaft, a first connecting rope is fixed and wound on the outer side of the first winding roller, a connecting plate is installed at the bottom end of the first connecting rope, and a floating plate is installed at the bottom of the connecting plate through a detachable connecting assembly. According to the device, a worker can conveniently and clearly observe measured information, use is safer, meanwhile, the worker can conveniently disassemble and replace the floating plate, the distance between the floating plate and the shore can be adjusted, and the device can adapt to different scenes and requirements.

Description

Technical Field

[0001] The invention relates to the technical field of thermal power plants, in particular to a water level measuring device for a thermal power plant. Background Art

[0002] A thermal power plant, also known as a thermal power plant, is a factory that uses combustibles as fuel to produce electricity. Water level measurement not only plays an important role in water conservancy projects, but is also widely used in municipal engineering and thermal power plants. It provides accurate data support for the scheduling and operation of reservoirs in thermal power plants, ensuring the scientificity and effectiveness of water resource management.

[0003] However, in the prior art, thermal power plants use float-type water level measuring devices, which are directly installed in the water as a whole. It is difficult for operation and maintenance personnel to approach the water level measuring device in the water for observation. When observing the water level measuring device on the shore, the distance is far, resulting in unclear observation of the water level measuring device, which causes certain errors. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a water level measuring device for use in a thermal power plant, which is mainly intended to solve the problem that the water level measuring device cannot be clearly observed on shore due to the long distance, thereby causing certain errors.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A water level measuring device for a thermal power plant comprises a support plate, the upper surface of the support plate is fixedly connected to a first fixed plate, the top of the first fixed plate is movably connected to a first threaded rod, the outer side of the first threaded rod is movably connected to a first slider, one side of the first slider is movably connected to a first rotating shaft, one end of the first rotating shaft is fixedly connected to a first winding roller, the outer side of the first winding roller is fixedly and wound with a first connecting rope, the bottom end of the first connecting rope is installed with a connecting plate, the bottom of the connecting plate is installed with a floating plate through a detachable connecting component, one side of the first fixed plate is movably connected to a second rotating shaft, the outer side of the second rotating shaft is fixedly connected to a second pulley, the first rotating shaft and A transmission component with adjustable tension force is provided between the second pulleys, one end of the second rotating shaft passes through the second pulley and is fixedly connected to the second winding roller, a second pull rope is fixed to and wrapped around the outer side of the second winding roller, a second fixed plate is fixedly connected to the upper surface of the support plate, scale lines are provided on the side of the second fixed plate, a slide groove is provided inside the second fixed plate, a second slider is movably connected in the slide groove, and the second pull rope is fixed to the second slider, two second springs are fixedly connected to the top of the second slider, and the second spring is fixed to the top inner wall of the second fixed plate, and indicator marks are set at both ends of the second slider, and the indicator marks are in contact with the scale lines.

[0009] Furthermore, the transmission assembly includes two first pulleys, a belt is provided between the first rotating shaft and the second pulley, and the belt is wound around the outside of the first pulley, a first fixed block is movably connected to one side of the first pulley, two telescopic rods are fixedly connected between the two first fixed blocks, a first spring is sleeved on the outside of the telescopic rod, and both ends of the first spring are respectively fixed to the upper and lower first fixed blocks.

[0010] On the basis of the above scheme, the connecting assembly includes two protrusions, which are fixed to the upper surface of the floating plate by bolts. A card slot is provided on one side of the two protrusions. Two notches are provided inside the connecting plate, and the protrusions pass through the notches. A second fixed block is fixedly connected to the upper surface of the connecting plate. A bidirectional threaded rod is movably connected inside the second fixed block. Two card blocks are movably connected to the outer sides of the bidirectional threaded rod, and the card blocks are plugged into the card slots.

[0011] As a further solution of the present invention, two positioning columns are fixedly connected in the sliding groove, and the positioning columns are slidably connected to the second sliding block.

[0012] Furthermore, the second spring is sleeved on the outer side of the positioning column.

[0013] On the basis of the above-mentioned solution, a guide rod is fixedly connected to one side of the first fixing plate, and the guide rod is slidably connected to the first sliding block.

[0014] As a further solution of the present invention, a baffle is fixedly connected to the end point between the first threaded rod and the guide rod.

[0015] Furthermore, one end of the first threaded rod passes through the first fixing plate and is fixedly connected to a knob.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present invention provides a water level measuring device for a thermal power plant, which has the following features:

[0018] Beneficial effects:

[0019] 1. The present invention fixes the entire device on the shore and arranges the components that reflect the measurement information on the support plate on the shore, so that the staff can observe the measured information clearly, the use is safer, and the observation difficulty caused by the water level measuring device being far away is avoided, which may easily cause errors, thereby improving the use effect of the device.

[0020] 2. The use of the card block and the card slot makes it convenient for the staff to disassemble and replace the floating plate. At the same time, the notch and the protrusion make it convenient for the staff to quickly position and install the floating plate, saving time and improving the convenience of the device.

[0021] 3. The present invention facilitates the staff to move the position of the first slider through the first threaded rod, thereby adjusting the distance between the floating board and the shore, so that the device can be applied to different scenes and needs, thereby improving the flexibility of the device.

[0022] 4. The present invention limits the moving distance of the first slider by means of a baffle, thereby preventing the first slider from moving out of the first threaded rod and causing the floating plate to fall, thereby improving the limiting effect of the device.

[0023] 5. The present invention guides the second slider through the positioning column, so that the second slider moves stably, avoids the second slider from tilting during the movement and affecting the use effect of the device, and improves the stability of the movement of the second slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a left-side three-dimensional structural schematic diagram of a water level measuring device for a thermal power plant proposed by the present invention;

[0025] Figure 2 This is a right-side three-dimensional structural schematic diagram of a water level measuring device for a thermal power plant proposed by the present invention;

[0026] Figure 3 This is a schematic diagram of the enlarged structure of part A of a water level measuring device for a thermal power plant proposed by the present invention;

[0027] Figure 4A partially enlarged structural schematic diagram of a water level measuring device for a thermal power plant proposed by the present invention;

[0028] Figure 5 The present invention provides a schematic cross-sectional structural diagram of a connecting plate of a water level measuring device for a thermal power plant.

[0029] In the figure: 1. first fixed block; 2. first pulley; 3. first winding roller; 4. first threaded rod; 5. baffle; 6. guide rod; 7. first slider; 8. first connecting rope; 9. first fixed plate; 10. support plate; 11. second pulley; 12. belt; 13. telescopic rod; 14. first spring; 15. second winding roller; 16. second pull rope; 17. positioning column; 18. second spring; 19. slide; 20. second fixed plate; 21. second slider; 22. indicator; 23. scale line; 24. two-way threaded rod; 25. block; 26. protrusion; 27. connecting plate; 28. floating plate; 29. ​​second fixed block; 30. notch; 31. slot. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1-Figure 5A water level measuring device for a thermal power plant includes a support plate 10, which is convenient for fixing the position of the entire device. A first fixing plate 9 is fixed to the upper surface of the support plate 10 by bolts. A first threaded rod 4 is rotatably connected to the top of the first fixing plate 9. A first slider 7 is threadedly connected to the outer side of the first threaded rod 4. A first rotating shaft is rotatably connected to one side of the first slider 7. A first winding roller 3 is fixed to one end of the first rotating shaft by bolts. A first connecting rope 8 is fixed and wound around the outer side of the first winding roller 3. A connecting plate 27 is installed at the bottom end of the first connecting rope 8. The bottom of the connecting plate 27 is connected by a detachable connecting component A floating plate 28 is installed. The floating plate 28 is a wooden board that has enough weight and can float on the water. The first threaded rod 4 rotates to move the first slider 7 outward, thereby moving the floating plate 28 at its bottom. At this time, the floating plate 28 keeps a distance from the shore. One side of the first fixed plate 9 is rotatably connected to the second rotating shaft. The second pulley 11 is fixed to the outside of the second rotating shaft by bolts. A transmission component with adjustable tension is provided between the first rotating shaft and the second pulley 11. One end of the second rotating shaft passes through the second pulley 11 and is fixed to the second winding roller 15 by bolts. The second pull rope is fixed to and wound around the outside of the second winding roller 15. 16, a second fixing plate 20 is fixed to the upper surface of the support plate 10 by bolts, a scale line 23 is provided on the side of the second fixing plate 20, a slide groove 19 is provided inside the second fixing plate 20, a second slider 21 is slidably connected in the slide groove 19, and the second pull rope 16 is fixed to the second slider 21, two second springs 18 are welded to the top of the second slider 21, and the second spring 18 is fixed to the top inner wall of the second fixing plate 20, the second spring 18 facilitates the second slider 21 to automatically reset, and both ends of the second slider 21 are set with indicator marks 22, and the indicator marks 22 are in contact with the scale line 23 The floating plate 28 moves downward under the action of its own gravity until the floating plate 28 floats on the liquid surface. The floating plate 28 moves downward while pulling the first connecting rope 8. At this time, the first winding roller 3 rotates and unwinds. At the same time, the first winding roller 3 rotates to make the first rotating shaft drive the belt 12 to move, so that the second pulley 11 drives the second rotating shaft to rotate, and then the second winding roller 15 rotates to reel in the second pull rope 16. At the same time, the second pull rope 16 pulls the second slider 21 to move upward along the slide groove 19, so that the indicator mark 22 moves upward along the scale line 23, and the water level is understood according to the value on the scale line 23 pointed by the indicator mark 22.

[0032] In the present invention, it should be noted that the transmission assembly includes two first pulleys 2, a belt 12 is provided between the first rotating shaft and the second pulley 11, and the belt 12 is wound around the outside of the first pulley 2, one side of the first pulley 2 is rotatably connected to a first fixed block 1, two telescopic rods 13 are fixed between the two first fixed blocks 1 by bolts, a first spring 14 is sleeved on the outside of the telescopic rod 13, and the two ends of the first spring 14 are respectively fixed to the upper and lower first fixed blocks 1, when the first slider 7 moves outward along the first threaded rod 4, the belt 12 pulls the upper and lower first pulleys 2 respectively The connecting plate 27 moves to the middle, at which time the telescopic rod 13 contracts, the first spring 14 contracts, and the connecting assembly includes two protrusions 26, which are fixed to the upper surface of the floating plate 28 by bolts. A card slot 31 is provided on one side of the two protrusions 26, and two notches 30 are provided inside the connecting plate 27, and the protrusions 26 pass through the notches 30. A second fixing block 29 is fixed to the upper surface of the connecting plate 27 by bolts, and the second fixing block 29 is rotatably connected to the inside of the bidirectional threaded rod 24, and the outer side of the bidirectional threaded rod 24 is threadedly connected to two card blocks 25, and the card blocks 25 are plugged into the card slots 31. When the floating plate 28 needs to be disassembled and replaced, the bidirectional threaded rod 24 is rotated, and the bidirectional threaded rod 24 rotates to move the blocks 25 to the middle respectively, until the blocks 25 move out of the slots 31. At this time, the floating plate 28 loses its restriction, and the floating plate 28 is pulled downward to move the protrusions 26 out of the slots 30, thereby completing the disassembly of the floating plate 28. Two positioning columns 17 are fixed in the slide groove 19 by bolts, and the positioning columns 17 are slidably connected to the second slider 21. The positioning columns 17 can guide the second slider 21 to ensure stable movement of the second slider 21 and prevent it from being distorted during the movement. The use effect of the oblique influence device, the second spring 18 is sleeved on the outside of the positioning column 17, a guide rod 6 is fixed to one side of the first fixed plate 9 by bolts, and the guide rod 6 is slidably connected to the first slider 7, the guide rod 6 can guide the first slider 7 so that it can move stably, and a baffle 5 is fixed at the end point between the first threaded rod 4 and the guide rod 6 by bolts, the baffle 5 can limit the moving distance of the first slider 7 to prevent the first slider 7 from moving out of the first threaded rod 4 and causing the floating plate 28 to fall, and one end of the first threaded rod 4 passes through the first fixed plate 9 and is welded with a knob.

[0033] Working principle of this embodiment: when in use, first fix the support plate 10 on the shore, turn the knob, so that the first threaded rod 4 drives the first slider 7 to move outward, thereby moving the floating plate 28 at its bottom. At this time, the floating plate 28 keeps a distance from the shore, and at the same time, the first slider 7 moves to make the belt 12 pull the upper and lower first pulleys 2 to move toward the middle respectively. At this time, the telescopic rod 13 contracts, the first spring 14 contracts, and at the same time, the floating plate 28 moves downward under the action of its own gravity until the floating plate 28 floats on the liquid surface. The floating plate 28 moves downward and pulls the first connecting rope 8. At this time, the first winding roller 3 rotates and unwinds. At the same time, the first winding roller 3 rotates to make the first rotating shaft drive the belt 12 to move, so that the second pulley 11 drives the second rotating shaft to rotate, and then the second winding roller 15 rotates to reel the second pull rope 16. At the same time, the second pull rope 16 pulls the second slider 21 to move upward along the slide groove 19, so that the indicator 22 moves upward along the scale line 23, and the water level is understood according to the value on the scale line 23 pointed to by the indicator 22.

[0034] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0035] In the description of this article, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection; it can be a mechanical connection, it can be an electrical connection, or it can be a direct connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the description herein, it should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water level measuring device for a thermal power plant, comprising a support plate (10), characterized in that: The upper surface of the support plate (10) is fixedly connected to a first fixed plate (9), the top of the first fixed plate (9) is movably connected to a first threaded rod (4), the outer side of the first threaded rod (4) is movably connected to a first slider (7), one side of the first slider (7) is movably connected to a first rotating shaft, one end of the first rotating shaft is fixedly connected to a first winding roller (3), the outer side of the first winding roller (3) is fixedly and wound with a first connecting rope (8), the bottom end of the first connecting rope (8) is installed with a connecting plate (27), the bottom of the connecting plate (27) is installed with a floating plate (28) through a detachable connecting component, one side of the first fixed plate (9) is movably connected to a second rotating shaft, the outer side of the second rotating shaft is fixedly connected to a second pulley (11), a transmission component with adjustable tension is provided between the first rotating shaft and the second pulley (11), and the second rotating shaft One end of the support plate (10) passes through the second pulley (11) and is fixedly connected to the second winding roller (15), the outer side of the second winding roller (15) is fixedly connected to and wrapped with a second pull rope (16), the upper surface of the support plate (10) is fixedly connected to a second fixed plate (20), the side of the second fixed plate (20) is provided with a scale line (23), the interior of the second fixed plate (20) is provided with a slide groove (19), the slide groove (19) is movably connected with a second slider (21), and the second pull rope (16) is fixed to the second slider (21), the top of the second slider (21) is fixedly connected with two second springs (18), and the second spring (18) is fixed to the top inner wall of the second fixed plate (20), and both ends of the second slider (21) are set with indicator marks (22), and the indicator marks (22) are in contact with the scale line (23).

2. A water level measuring device for a thermal power plant according to claim 1, characterized in that: The transmission assembly comprises two first pulleys (2), a belt (12) is provided between the first rotating shaft and the second pulley (11), and the belt (12) is wound around the outer side of the first pulley (2), one side of the first pulley (2) is movably connected with a first fixed block (1), two telescopic rods (13) are fixedly connected between the two first fixed blocks (1), a first spring (14) is sleeved on the outer side of the telescopic rod (13), and two ends of the first spring (14) are respectively fixed to the upper and lower first fixed blocks (1).

3. A water level measuring device for a thermal power plant according to claim 1, characterized in that: The connection assembly comprises two protrusions (26), the two protrusions (26) are fixed to the upper surface of the floating plate (28) by bolts, one side of the two protrusions (26) is provided with a clamping groove (31), the interior of the connection plate (27) is provided with two notches (30), and the protrusions (26) pass through the notches (30), the upper surface of the connection plate (27) is fixedly connected with a second fixing block (29), the interior of the second fixing block (29) is movably connected with a bidirectional threaded rod (24), the outer side of the bidirectional threaded rod (24) is movably connected with two clamping blocks (25), and the clamping blocks (25) are plugged into the clamping grooves (31).

4. A water level measuring device for a thermal power plant according to claim 1, characterized in that: Two positioning columns (17) are fixedly connected in the sliding groove (19), and the positioning columns (17) are slidably connected to the second sliding block (21).

5. A water level measuring device for a thermal power plant according to claim 4, characterized in that: The second spring (18) is sleeved on the outer side of the positioning column (17).

6. The water level measuring device for a thermal power plant according to claim 1, characterized in that: A guide rod (6) is fixedly connected to one side of the first fixed plate (9), and the guide rod (6) is slidably connected to the first sliding block (7).

7. A water level measuring device for a thermal power plant according to claim 6, characterized in that: A baffle (5) is fixedly connected at the end point between the first threaded rod (4) and the guide rod (6).

8. The water level measuring device for a thermal power plant according to claim 1, characterized in that: One end of the first threaded rod (4) passes through the first fixing plate (9) and is fixedly connected to a knob.

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