Telescopic hydropower station dam water level observation scale
By combining a retractable design with a scraping mechanism, the problem of scale markings being affected by deposits on the scale surface is solved, enabling flexible adjustment and cleaning of the scale and ensuring the accuracy and stability of water level observation.
Patent Information
- Application Number
- CN202520482156.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing scales are easily adhered to by substances in the water during use, making the scale lines unclear and affecting the accuracy of water level judgment and recording.
Featuring a retractable design, the front panel made of polymethyl methacrylate ensures clear visibility of the scale lines, and is equipped with a scraping mechanism to easily remove any adhering substances from the scale surface. The combination of the retractable and scraping mechanisms allows for flexible adjustment and cleaning of the scale.
It improves the flexibility and accuracy of the scale, ensures the weather resistance and durability of the graduation lines, and facilitates the removal of contaminants from the scale surface, thus guaranteeing the accuracy and stability of water level observation.
Smart Images

Figure CN223796099U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ruler technical field especially, relates to telescopic hydroelectric station dam water level observation ruler. BACKGROUND
[0002] The engineering survey of the dam of the hydroelectric station is a very important link in the dam construction process, and its accuracy and reliability are directly related to the quality and safety of the dam project, the engineering survey as the basic work of various construction projects is the guide sign of engineering implementation, and is also an important tool for detecting engineering quality, in the hydroelectric station dam project, the engineering survey has high accuracy and reliability requirements to ensure the construction quality of the project, and the water level observation generally uses the observation ruler.
[0003] But the existing ruler has the following problems: the ruler is easily attached by the attachment in the water in the use process, and it is inconvenient to remove, which affects the observation of the scale line and further affects the judgment and record of the water level. UTILITY MODEL CONTENT
[0004] The utility model discloses a telescopic hydroelectric station dam water level observation ruler, which solves the problem that the ruler is easily attached by the attachment in the water in the use process, and it is inconvenient to remove, which affects the observation of the scale line and further affects the judgment and record of the water level.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] The telescopic hydroelectric station dam water level observation ruler, which solves the problem that the ruler is easily attached by the attachment in the water in the use process, and it is inconvenient to remove, which affects the observation of the scale line and further affects the judgment and record of the water level.
[0007] The telescopic mechanism is arranged on the top frame to facilitate the telescopic operation of the ruler.
[0008] The scraping mechanism is arranged on the ruler to facilitate the removal of the attachment on the outer side of the ruler.
[0009] In a possible design, the telescopic mechanism includes two sliding grooves, two sliding blocks and two fixing columns, the two sliding grooves are respectively arranged on the inner walls of the two sides of the same top frame, the two sliding blocks are respectively fixedly connected with the top sides of the two sides of the same bottom bar, the two sliding blocks are respectively slidably connected with the two sliding grooves, one end of the two fixing columns is respectively threaded through the two sides of the same top frame and is threadedly connected with the top frame, the other end of the two fixing columns is respectively close to the two sides of the same bottom bar, and the other end of the two fixing columns is fixedly connected with the rotating handle.
[0010] In a possible design, the scraping mechanism includes a first moving block, a first scraping plate, two first side plates, two first side blocks, two first clamping rings, two first clamping blocks, a second moving block, a second scraping plate, two second side plates, two second side blocks, two second clamping rings and two second clamping blocks, the rear side of the first moving block is close to the front side of the top frame, the two first side plates are respectively fixedly connected with the two sides of the same first moving block, the top of the first scraping plate is fixedly connected with the bottom of the first moving block, the two first side blocks are respectively fixedly connected with the two sides of the same top frame, the two first clamping rings are respectively arranged on the sides away from each other of the two first side blocks, the two first clamping blocks are respectively arranged on the sides away from each other of the two first side plates, the two first clamping rings are respectively sleeved on the first clamping blocks, the rear side of the second moving block is close to the front side of the bottom bar, the top of the second moving block is fixedly connected with the bottom of the second scraping plate, the two second side plates are respectively fixedly connected with the two sides of the same second moving block, the two second side blocks are respectively fixedly connected with the two sides of the same bottom bar, the two second clamping rings are respectively arranged on the sides away from each other of the two second side blocks, the two second clamping blocks are respectively arranged on the sides away from each other of the two second side plates, and the two second clamping rings are respectively sleeved on the two second clamping blocks.
[0011] In a possible design, the two first side plates are respectively fixedly connected with a first sliding block, the two sides of the top frame are respectively provided with a first sliding groove matched with the first sliding block, the two first sliding blocks are respectively slidably connected with the two first sliding grooves, the two second side plates are respectively fixedly connected with a second sliding block, the two sides of the bottom bar are respectively provided with a second sliding groove matched with the second sliding block, and the two second sliding blocks are respectively slidably connected with the two second sliding grooves.
[0012] In a possible design, the front sides of the first moving block and the second moving block are respectively fixedly connected with a first handle and a second handle, so as to facilitate the movement of the first scraping plate and the second scraping plate.
[0013] In a possible design, the four corners of the bottom plate are provided with arc shapes, and the four corners of the bottom plate are provided with mounting holes for conveniently mounting and fixing the ruler.
[0014] In the application, the ruler is mounted through the mounting holes, the mounting holes provided at the four corners of the bottom plate enable the ruler to be conveniently fixed on the specified position of the dam of the hydropower station by bolts or other fasteners, and the stability and accuracy of the ruler are ensured, the position of the sliding bottom rod relative to the top frame is adjusted, the sliding block is moved to the lowest position along the sliding groove, then the fixed column is rotated to tightly abut one end of the bottom rod, and the bottom rod is fixed on the top frame through threaded connection, so that the stability of the ruler during use is ensured, and when the ruler is adjusted and fixed, the water level information is read by observing the first scale line and the second scale line, since the first front plate and the second front plate are made of polymethyl methacrylate (PMMA) material with high transparency, the scale line is clear and visible and is protected from damage from the external environment, if impurities or pollutants are attached to the surface of the ruler during use, the first scraper and the second scraper can be moved along the surface of the ruler by moving the first moving block and the second moving block, so that the attached impurities are removed, the sliding connection between the first sliding block and the first sliding groove and between the second sliding block and the second sliding groove enables the scraper to stably move along the surface of the ruler, and ensures that the scraper does not deviate from the track or shake during movement, thereby improving the accuracy and stability of the ruler, and the first scraper and the second scraper will not damage the scale line during movement, and the stable connection between the scraper and the ruler is ensured by the connection components, such as the first clamping ring and the first clamping block, and the second clamping ring and the second clamping block.
[0015] The utility model has the advantages of:
[0016] In the utility model, the length of the ruler can be adjusted, the flexibility and applicability of the ruler are improved, the front plate made of polymethyl methacrylate (PMMA) material ensures that the scale line is clear and visible, improves the weather resistance and durability of the ruler, the attached impurities on the surface of the ruler can be conveniently removed through the scraping mechanism, and the accuracy and readability of the ruler are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view structural schematic drawing of the utility model;
[0018] Figure 2 It is a sectional view of the utility model;
[0019] Figure 3 It is an explosion view of the top scraping structure of the utility model;
[0020] Figure 4 It is an explosion view of the bottom scraping structure of the utility model.
[0021] In the figure: 1, top frame; 2, bottom bar; 3, bottom plate; 4, No. 1 front plate; 5, No. 1 scale line; 6, No. 2 front plate; 7, No. 2 scale line; 8, sliding groove; 9, sliding block; 10, fixed column; 11, No. 1 moving block; 12, No. 1 handle; 13, No. 1 scraper; 14, No. 1 side plate; 15, No. 1 side block; 16, No. 1 sliding block; 17, No. 1 sliding groove; 18, No. 1 clasp; 19, No. 1 clamping block; 20, mounting hole; 21, No. 2 moving block; 22, No. 2 scraper; 23, No. 2 handle; 24, No. 2 side plate; 25, No. 2 side block; 26, No. 2 sliding block; 27, No. 2 sliding groove; 28, No. 2 clasp; 29, No. 2 clamping block. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] Embodiment one
[0024] With reference to Figures 1-4 , the water level observation scale comprises a top frame 1, a bottom bar 2 and a bottom plate 3, the bottom of the bottom bar 2 is connected with the top center of the bottom plate 3 through a welding fixing mode, the stability of the structure is ensured, the top frame 1 is slidably sleeved on the top outer side of the bottom bar 2, so that the length of the scale can be adjusted according to the requirement, front grooves are formed on the front sides of the top frame 1 and the bottom bar 2, No. 1 scale line 5 and No. 2 scale line 7 are respectively arranged on the inner walls of the two front grooves, which are used for reading water level information, No. 1 front plate 4 and No. 2 front plate 6 are respectively fixedly arranged on the front sides of No. 1 scale line 5 and No. 2 scale line 7, and the materials of the two front plates are all selected from polymethyl methacrylate (PMMA), the material has high transparency, good processability and weather resistance, can ensure that the scale line is clearly visible, and can protect the scale line from damage by the external environment.
[0025] The telescopic mechanism comprises two sliding grooves 8, two sliding blocks 9 and two fixed columns 10, the two sliding grooves 8 are respectively arranged on the inner walls of the two sides of the same top frame 1, the two sides of the two sliding blocks 9 that are close to each other are respectively fixedly connected with the top two sides of the same bottom bar 2, when the scale is needed to be used, the sliding blocks 9 can be slid to the lowest positions of the sliding grooves 8, then the two fixed columns 10 are rotated, one end of each of the two fixed columns 10 is tightly attached to the two sides of the bottom bar 2, so as to fix the position of the bottom bar 2, one end of the fixed column 10 is screwed through the two sides of the top frame 1 and is screw-connected with the top frame 1, so as to ensure that the fixed column 10 can firmly lock the position of the bottom bar 2.
[0026] The scraping mechanism comprises a first moving block 11, a first scraper 13, two first side plates 14 and the like, the rear side of the first moving block 11 is attached to the front side of the top frame 1, the first moving block 11 can be moved or slid to drive the first scraper 13 to move along the front side of the top frame 1, thereby removing the attached objects, meanwhile, the first side plate 14, the first side block 15 and the like are fixedly connected between the first moving block 11 and the top frame 1 through the connection mode of the first clasp ring 18 and the first clamping block 19, so as to prevent the first moving block 11 from being separated from the top frame 1 or blocking the reading of the scale value, similarly, the second moving block 21, the second scraper 22 and the like are used for removing the attached objects on the front side of the bottom rod 2, and the structures and the connection modes of the second moving block 21 and the second scraper 22 are similar to those of the first moving block 11 and the first scraper 13, but are suitable for removing the attached objects on the front side of the bottom rod 2.
[0027] The application can be used in the field of water level observation of hydropower station dam, and can also be used in other fields suitable for the application.
[0028] Embodiment two
[0029] Reference Figures 1-4 On the basis of embodiment one, the telescopic water level observation scale of hydropower station dam comprises:
[0030] The inner sides of the first side plate 14 and the second side plate 24 are fixedly connected with a first sliding block 16 and a second sliding block 26 respectively, the sliding blocks are slidably connected with a first sliding groove 17 and a second sliding groove 27 respectively, which are arranged on the top frame 1 and the bottom rod 2, the sliding connection mode not only enables the scraper to move smoothly along the surface of the scale, but also ensures that the scraper will not deviate from the track or shake during the movement, in addition, the front sides of the first moving block 11 and the second moving block 21 are fixedly connected with a first handle 12 and a second handle 23 respectively, the design of the handles enables the user to hold and move the scraper more conveniently, thereby improving the convenience and efficiency of operation.
[0031] The four corners of the bottom plate 3 are designed as arc shapes, which not only reduces the collision and friction between the bottom plate 3 and other objects during installation or transportation, but also improves the aesthetics and safety of the bottom plate 3, meanwhile, the four corners of the bottom plate 3 are provided with mounting holes 20, which enables the scale to be conveniently fixed on the specified position of the hydropower station dam through bolts or other fasteners.
[0032] The above merely describes the preferred specific implementation mode of the application, but the protection scope of the application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.
Claims
1. A telescopic dam water level observation scale for a hydroelectric power station, characterised in that, Including top frame (1), bottom bar (2) and bottom plate (3), the bottom of bottom bar (2) is fixedly connected with the top center of bottom plate (3), top frame (1) is slidably sleeved on the top outer side of bottom bar (2), the front side of top frame (1) and bottom bar (2) is provided with front groove, the inner wall of two front grooves is respectively provided with a number of scale lines (5) and two number scale lines (7), the inner wall of two front grooves is respectively fixedly provided with a number of front plates (4) and two number front plates (6), the number of front plates (4) and two number front plates (6) are respectively located in the front side of a number of scale lines (5) and two number scale lines (7), the material of the number of front plates (4) and two number front plates (6) is all set as polymethyl methacrylate; Telescopic mechanism, telescopic mechanism is set on top frame (1) for the telescopic scale; Scraping mechanism, scraping mechanism is set on the scale for removing the adherend outside the scale.
2. The telescopic dam water level observation scale for hydroelectric power stations according to claim 1, characterized in that, The telescopic mechanism includes two sliding grooves (8), two sliding blocks (9) and two fixed columns (10), two sliding grooves (8) are respectively arranged on the inner wall of both sides of the same top frame (1), the top sides of two sliding blocks (9) are respectively fixedly connected with the same bottom bar (2), two sliding blocks (9) are respectively connected with two sliding grooves (8), one end of two fixed columns (10) is respectively screwed through both sides of the same top frame (1) and is screw-connected with top frame (1), one end of two fixed columns (10) is respectively close to both sides of the same bottom bar (2), the other end of two fixed columns (10) is all fixedly connected with rotating handle.
3. The telescopic dam water level observation scale for hydroelectric power stations according to claim 1, characterized in that, Said scraping mechanism comprises a No. 1 moving block (11), a No. 1 scraper (13), two No. 1 side plates (14), two No. 1 side blocks (15), two No. 1 clamping rings (18), two No. 1 clamping blocks (19), a No. 2 moving block (21), a No. 2 scraper (22), two No. 2 side plates (24), two No. 2 side blocks (25), two No. 2 clamping rings (28) and two No. 2 clamping blocks (29), the rear side of the No. 1 moving block (11) is attached to the front side of the top frame (1), the two sides of the same No. 1 moving block (11) are fixedly connected with the side plates (14) which are close to each other, the top of the No. 1 scraper (13) is fixedly connected with the bottom of the No. 1 moving block (11), the two sides of the same top frame (1) are fixedly connected with the side blocks (15) which are close to each other, the two sides of the No. 1 clamping rings (18) are rotatably arranged on the side blocks (15) which are away from each other, the two sides of the No. 1 clamping blocks (19) are fixedly arranged on the side plates (14) which are away from each other, the No. 1 clamping rings (18) are sleeved on the No. 1 clamping blocks (19), the rear side of the No. 2 moving block (21) is attached to the front side of the bottom rod (2), the top of the No. 2 moving block (21) is fixedly connected with the bottom of the No. 2 scraper (22), the two sides of the same No. 2 moving block (21) are fixedly connected with the side plates (24) which are close to each other, the two sides of the same bottom rod (2) are fixedly connected with the side blocks (25) which are close to each other, the two sides of the No. 2 clamping rings (28) are rotatably arranged on the side blocks (25) which are away from each other, the two sides of the No. 2 clamping blocks (29) are fixedly arranged on the side plates (24) which are away from each other, and the No. 2 clamping rings (28) are sleeved on the No. 2 clamping blocks (29).
4. The telescopic dam water level observation scale of a hydroelectric power station according to claim 3, characterized in that, The side plates (14) which are close to each other are fixedly connected with the sliding blocks (16), the two sides of the top frame (1) are provided with the sliding grooves (17) matched with the sliding blocks (16), the sliding blocks (16) are slidably connected with the sliding grooves (17), the side plates (24) which are close to each other are fixedly connected with the sliding blocks (26), and the two sides of the bottom rod (2) are provided with the sliding grooves (27) matched with the sliding blocks (26).
5. The telescopic hydroelectric dam water level observation scale of claim 3, wherein, The front sides of the No. 1 moving block (11) and the No. 2 moving block (21) are fixedly connected with the handles (12) and (23) for moving the No. 1 scraper (13) and the No. 2 scraper (22).
6. The telescopic hydroelectric dam water level observation scale of claim 1, wherein, The four corners of the bottom plate (3) are provided with arcs, and the mounting holes (20) are arranged at the four corners of the bottom plate (3) for mounting and fixing the ruler.