Hydraulic engineering surveying scale

Abstract

The utility model discloses a water conservancy project surveying and mapping scale relates to surveying and mapping scale technical field. The lower index pole top is sequentially provided with intermediate index pole and upper index pole, and the lower index pole lower extreme is provided with supplementary support mechanism, and the upper end of lower index pole and intermediate index pole all are provided with the slot, the lower end of intermediate index pole and upper index pole all are fixedly connected with the plug -in board, and the front side end of lower index pole, intermediate index pole and upper index pole all are provided with the scale groove, and the backside inner wall of scale groove is provided with surveying and mapping scale scale. The device adopts the combination structure of plug -in board, limit slide, through -going rod, supplementary board to realize folding type connection, and simultaneously, the structure can stabilize the unfolding position of upper index pole, intermediate index pole and lower index pole, and cooperate three section scales to splice accurately, to avoid the scale misplacement caused by limit failure, and the supplementary support mechanism sets up so that the device does not need to support manually continuously, and then avoids the influence of long -time supporting hand tremor on the measuring accuracy.

Description

Technical Field

[0001] This utility model relates to the field of surveying scale technology, and in particular to a surveying scale for water conservancy projects. Background Technology

[0002] In the foundation surveying stage before water conservancy project construction, the measuring rod is a core tool for tasks such as site leveling measurement, marking the excavation range of the foundation pit, and locating the foundation axis. Its traditional structure is mostly a single straight rod. To adapt to the measurement needs of different areas in water conservancy construction sites, such as dimensional measurement from narrow bank slopes to open mudflats, some measuring rods are designed with a telescopic structure. The length can be adjusted by nesting multiple rod sections, improving the versatility and portability of the tool.

[0003] In the long-term use of existing telescopic rulers before the construction of water conservancy projects, the limiting structure of the ruler is prone to functional failure after repeated stretching operations, resulting in the inability to accurately position the rod and causing deviations in key measurement data such as the boundary of the foundation pit and the distance of the axis. During measurement, the operators need to manually support the ruler to keep it upright, which consumes a lot of physical strength. Although some rulers have tried to add auxiliary support components, they are mostly complex structures that require manual assembly, which are cumbersome to operate and cannot be quickly adapted to the pace of the site, making it difficult to meet the needs of efficient measurement.

[0004] Therefore, this application proposes a surveying scale for water conservancy projects to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a surveying ruler for water conservancy projects, which solves the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a surveying ruler for water conservancy projects, comprising a lower marker, an intermediate marker and an upper marker arranged sequentially above the lower marker, an auxiliary support mechanism at the lower end of the lower marker, slots at the upper ends of the lower and intermediate markers, insert plates fixedly connected to the lower ends of the intermediate and upper markers, and left-right through-tracks at the connection points between the two insert plates and the intermediate surface and the upper marker, with a through rod arranged within the through-track, and auxiliary plates fixedly connected to the left and right ends of the through rod, the upper ends of the left and right side walls of the upper and middle markers respectively rotatably connected to the adjacent side walls of the left and right auxiliary plates, and scale grooves at the front ends of the lower, intermediate, and upper markers, with surveying ruler scales on the rear inner wall of the scale grooves.

[0007] Preferably, the auxiliary support mechanism includes a support base plate fixed to the lower end of the lower marker and a sliding frame sleeved on the lower marker. An L-shaped auxiliary support plate is fixedly connected to the front end of the sliding frame, and an L-shaped main operating plate is fixedly connected to the rear end of the sliding frame. Auxiliary blocks are fixedly connected to both the left and right ends of the sliding frame. A connecting rod is hinged to the ends of the two auxiliary blocks that are far apart from each other. A side rod is hinged to the end of the connecting rod that is far away from the auxiliary block. The adjacent ends of the two side rods are respectively hinged to the upper end of the support base plate, and a side support plate is fixedly connected to the lower end of the side rod.

[0008] Preferably, a top plate is fixedly connected to both the left and right ends of the lower indicator rod. A limiting slide rod is fixedly connected to the lower end of the top plate. The lower end of the limiting slide rod passes through the auxiliary block and is fixedly connected to the upper end of the support base plate. The limiting slide rod is slidably connected to the auxiliary block. A support spring is sleeved on the limiting slide rod. The upper end of the support spring is fixedly connected to the lower end of the auxiliary block, and the lower end of the support spring is fixedly connected to the upper end of the support base plate.

[0009] Preferably, observation ports are provided on the rear sidewalls of both the sliding frame and the auxiliary support plate.

[0010] Preferably, the inner walls of the left and right sides of the scale groove are inlaid with lighting strips, and the upper marker, the middle marker and the inner side of the upper marker are all provided with built-in charging power supply and controller. The rear end of the upper marker, the middle marker and the upper marker are all provided with photosensitive sensors, and the built-in charging power supply and the photosensitive sensors are electrically connected to the controller.

[0011] Preferably, the lower end of the measuring scale of the upper rod, the upper and lower ends of the measuring scale of the middle rod, and the upper end of the measuring scale of the lower rod are aligned and spliced ​​in sequence to form a continuous measuring scale.

[0012] Compared with related technologies, the water conservancy engineering surveying ruler provided by this utility model has the following beneficial effects:

[0013] 1. This utility model provides a surveying ruler for water conservancy projects. The device adopts a combination structure of insert plate, limiting slide, through rod and auxiliary plate to achieve foldable connection. At the same time, the structure can stabilize the unfolded position of the upper, middle and lower markers, and with the precise splicing of the three scale segments, it avoids scale misalignment caused by limit failure, and provides accurate data for key measurement links such as site leveling and foundation pit calibration.

[0014] 2. This utility model provides a water conservancy engineering surveying ruler. In this device, the auxiliary support mechanism can drive the sliding frame and auxiliary support plate to move downward by stepping on the main operating plate. At the same time, under the action of the connecting rod, the side rod and side support plate are flipped to cooperate with the main operating plate and auxiliary support plate to achieve bottom fixation of the device. This eliminates the need for continuous manual support and avoids the impact of hand tremors on measurement accuracy during long-term support.

[0015] 3. This utility model provides a water conservancy engineering surveying ruler. This solution embeds an illumination strip in the scale groove. With the automatic triggering function of the photosensitive sensor and controller, the illumination can be automatically turned on according to the ambient light, clearly illuminating the scale and solving the problem of inconvenient scale reading in dim environments. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the broken state structure of the benchmark of this utility model;

[0018] Figure 3 for Figure 2 Enlarged view of a portion of point A in the middle;

[0019] Figure 4 This is a three-dimensional structural diagram of the auxiliary support mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram of another state of the auxiliary support mechanism of this utility model;

[0021] Figure 6 This is a cross-sectional structural diagram of the built-in charging power supply location of this utility model.

[0022] Figure 7 This is a schematic diagram of the folded state of part of the structure of this utility model.

[0023] In the diagram: 1. Lower marker; 2. Middle marker; 3. Upper marker; 4. Auxiliary support mechanism; 5. Slot; 6. Insert plate; 7. Limiting slide; 8. Auxiliary plate; 9. Through rod; 10. Scale groove; 11. Surveying scale; 12. Lighting strip; 13. Controller; 14. Built-in charging power supply; 15. Photosensitive sensor; 16. Sliding frame; 17. Auxiliary block; 18. Top plate; 19. Limiting slide; 20. Auxiliary support plate; 21. Observation port; 22. Support spring; 23. Support base plate; 24. Side rod; 25. Connecting rod; 26. Side support plate; 27. Main operation panel. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-7 This utility model provides a technical solution: a water conservancy engineering surveying ruler, including a lower ruler 1, an intermediate ruler 2 and an upper ruler 3 arranged sequentially above the lower ruler 1, an auxiliary support mechanism 4 at the lower end of the lower ruler 1, slots 5 at the upper ends of both the lower ruler 1 and the intermediate ruler 2, and insert plates 6 fixedly connected to the lower ends of both the intermediate ruler 2 and the upper ruler 3. A left-right through-track limiting slide 7 is provided at the connection between the two insert plates 6 and the intermediate surface and the upper ruler 3. A through rod 9 is provided within the limiting slide 7, and auxiliary plates 8 are fixedly connected to both the left and right ends of the through rod 9. The upper ends of both side walls are rotatably connected to the adjacent side walls of the two auxiliary plates 8 on the left and right. The front ends of the lower marker 1, the middle marker 2, and the upper marker 3 are all provided with scale grooves 10, and the inner rear wall of the scale grooves 10 is provided with surveying scale 11. When in use, the insert plate 6 cooperates with the slot 5 to realize the cooperation of the lower marker 1, the middle marker 2, and the upper marker 3, thereby realizing the splicing of the surveying scale 11. When folding is required, pull the upper marker 3 and the middle marker 2 upward. After the upper marker 3 and the middle marker 2 are pulled out from the two slots 5 respectively, the lower marker 1, the middle marker 2, and the upper marker 3 can be folded and stored.

[0026] The auxiliary support mechanism 4 includes a support base plate 23 fixed to the lower end of the lower marker 1 and a sliding frame 16 sleeved on the lower marker 1. An L-shaped auxiliary support plate 20 is fixedly connected to the front end of the sliding frame 16, and an L-shaped main operation plate 27 is fixedly connected to the rear end of the sliding frame 16. Auxiliary blocks 17 are fixedly connected to both the left and right ends of the sliding frame 16. A connecting rod 25 is hinged to the ends of the two auxiliary blocks 17 that are far apart from each other. A side rod 24 is hinged to the end of the connecting rod 25 that is far away from the auxiliary block 17. The adjacent ends of the two side rods 24 are respectively hinged to the upper end of the support base plate 23. A side support plate 26 is fixedly connected to the lower end of the side rod 24.

[0027] Both ends of the lower marker rod 1 are fixedly connected to a top plate 18. The lower end of the top plate 18 is fixedly connected to a limiting slide rod 19. The lower end of the limiting slide rod 19 passes through the auxiliary block 17 and is fixedly connected to the upper end of the support base plate 23. The limiting slide rod 19 is slidably connected to the auxiliary block 17. A support spring 22 is sleeved on the limiting slide rod 19. The upper end of the support spring 22 is fixedly connected to the lower end of the auxiliary block 17, and the lower end of the support spring 22 is fixedly connected to the upper end of the support base plate 23. After the operator supports the device by hand for a long time, the operator steps down on the L-shaped main operating plate 27 with his foot, which drives the sliding frame 16 to slide down along the lower marker rod 1. The auxiliary blocks 17 at both ends of the sliding frame 16 move down accordingly. Through the hinged connecting rod 25, the side rod 24 is pushed to rotate outward until the side support plate 26 at the lower end of the side rod 24 contacts the ground. This eliminates the need for continuous manual support of the device and avoids the impact of hand tremors on measurement accuracy during long-term support. After the pedaling force is released, the support spring 22 returns to its original deformation, pushes the auxiliary block 17 and sliding frame 16 upward to reset, the connecting rod 25 pulls the side rod 24 to rotate inward, the side support plate 26 leaves the ground, and the support structure is retracted.

[0028] Both the sliding frame 16 and the auxiliary support plate 20 have observation ports 21 on their rear side walls. When the operator reads the scale, their line of sight can be directly aligned with the scale in the scale groove 10 through the observation port 21, avoiding the support structure from obstructing the line of sight and ensuring that the reading angle is accurate.

[0029] Illumination strips 12 are embedded in the inner walls of both sides of the scale groove 10. Built-in charging power supplies 14 and controllers 13 are installed on the inner sides of the upper marker 3, middle marker 2, and upper marker 3. Photosensitive sensors 15 are installed on the rear ends of the upper marker 3, middle marker 2, and upper marker 3. The built-in charging power supply 14 and photosensitive sensors 15 are electrically connected to the controller 13. The photosensitive sensors 15 detect the ambient light intensity in real time and transmit the signal to the built-in controller 13. When the controller 13 determines that the light intensity is below a set threshold, it triggers the built-in charging power supply 14 to power the illumination strips 12 on both sides of the scale groove 10. The illuminated strips light up the scale markings 11 within the scale groove 10, ensuring clear readings for operators. When there is sufficient light, the controller 13 automatically cuts off the power to the illuminated strips to save energy.

[0030] The lower end of the measuring scale 11 of the upper rod 3, the upper and lower ends of the measuring scale 11 of the middle rod 2, and the upper end of the measuring scale 11 of the lower rod 1 are aligned and spliced ​​in sequence to form a continuous measuring scale, providing a complete scale for subsequent readings.

[0031] Working principle: During use, the insert plate 6 cooperates with the slot 5 to achieve the coordination of the lower scale rod 1, the middle scale rod 2, and the upper scale rod 3, thereby realizing the splicing of the scale 11 of the measuring ruler. After complete splicing, the lower end of the scale of the upper scale rod 3 is aligned with the upper end of the scale of the middle scale rod 2, and the lower end of the scale of the middle scale rod 2 is aligned with the upper end of the scale of the lower scale rod 1. The three scale segments are spliced ​​to form a continuous measurement scale, providing a complete scale for subsequent readings. After the operator supports the device by hand for a long time, the operator steps down on the L-shaped main operating plate 27 with his foot, causing the sliding frame 16 to slide down along the lower scale rod 1. The auxiliary blocks 17 at both ends of the sliding frame 16 move down accordingly, pushing the side rod 24 to rotate outward through the hinged connecting rod 25 until the side support plate 26 at the lower end of the side rod 24 contacts the ground. This eliminates the need for continuous manual support of the device, thus avoiding the impact of hand tremors on measurement accuracy during long-term support. After releasing the pressure, the support spring 22 returns to its original shape, pushing the auxiliary block 17 and sliding frame 16 back to their original positions. The connecting rod 25 pulls the side rod 24 inward, causing the side support plate 26 to leave the ground, completing the retraction of the support structure. An observation port 21 is opened on the rear side of the sliding frame 16 and the L-shaped auxiliary support plate 20. When operators read the scale, their line of sight can be directly aligned with the scale in the scale groove 10 through the observation port 21, avoiding obstruction of the view by the support structure and ensuring accurate reading angles. The photosensitive sensor 15 detects the ambient light intensity in real time and transmits the signal to the built-in controller 13. When the controller 13 determines that the light intensity is below a set threshold, it triggers the built-in charging power supply 14 to power the lighting strips 12 on both sides of the scale groove 10. After the light strips are lit, they illuminate the measuring scale 11 in the scale groove 10, ensuring clear readings for operators. When the light is sufficient, the controller 13 automatically cuts off the power to the light strips, saving power.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surveying scale for water conservancy projects, comprising a lower scale rod (1), characterized in that: Above the lower marker (1), a middle marker (2) and an upper marker (3) are arranged in sequence. An auxiliary support mechanism (4) is provided at the lower end of the lower marker (1). Slots (5) are provided at the upper ends of both the lower marker (1) and the middle marker (2). Insert plates (6) are fixedly connected to the lower ends of both the middle marker (2) and the upper marker (3). A limiting slide (7) extending in the left and right direction is provided at the connection between the two insert plates (6) and the middle surface and the upper marker (3). A through rod (9) is provided inside the limiting slide (7). Auxiliary plates (8) are fixedly connected to both ends of the through rod (9). The upper ends of the left and right side walls of the upper rod (3) and the middle rod (2) are rotatably connected to the adjacent side walls of the two auxiliary plates (8). The front ends of the lower rod (1), the middle rod (2) and the upper rod (3) are all provided with scale grooves (10). The inner rear wall of the scale groove (10) is provided with a measuring scale (11).

2. The water conservancy engineering surveying scale according to claim 1, characterized in that: The auxiliary support mechanism (4) includes a support base plate (23) fixed to the lower end of the lower marker (1) and a sliding frame (16) sleeved on the lower marker (1). An L-shaped auxiliary support plate (20) is fixedly connected to the front end of the sliding frame (16), and an L-shaped main operation plate (27) is fixedly connected to the rear end of the sliding frame (16). Auxiliary blocks (17) are fixedly connected to both the left and right ends of the sliding frame (16). A connecting rod (25) is hinged to the ends of the two auxiliary blocks (17) that are far apart from each other. A side rod (24) is hinged to the end of the connecting rod (25) that is far away from the auxiliary block (17). The adjacent ends of the two side rods (24) are respectively hinged to the upper end of the support base plate (23). A side support plate (26) is fixedly connected to the lower end of the side rod (24).

3. A surveying scale for water conservancy projects according to claim 2, characterized in that: The lower marker (1) is fixedly connected to a top plate (18) at both ends. A limiting slide rod (19) is fixedly connected to the lower end of the top plate (18). The lower end of the limiting slide rod (19) passes through the auxiliary block (17) and is fixedly connected to the upper end of the supporting base plate (23). The limiting slide rod (19) is slidably connected to the auxiliary block (17). A supporting spring (22) is sleeved on the limiting slide rod (19). The upper end of the supporting spring (22) is fixedly connected to the lower end of the auxiliary block (17). The lower end of the supporting spring (22) is fixedly connected to the upper end of the supporting base plate (23).

4. A surveying scale for water conservancy projects according to claim 3, characterized in that: Both the sliding frame (16) and the auxiliary support plate (20) have observation ports (21) on their rear side walls.

5. A surveying scale for water conservancy projects according to claim 1, characterized in that: The inner walls of the left and right sides of the scale groove (10) are inlaid with lighting strips (12). The inner sides of the upper marker (3), the middle marker (2) and the upper marker (3) are all equipped with built-in charging power supply (14) and controller (13). The rear ends of the upper marker (3), the middle marker (2) and the upper marker (3) are all equipped with photosensitive sensors (15). The built-in charging power supply (14) and the photosensitive sensors (15) are electrically connected to the controller (13).

6. A surveying scale for water conservancy projects according to claim 1, characterized in that: The lower end of the measuring scale (11) of the upper marker (3), the upper and lower ends of the measuring scale (11) of the middle marker (2), and the upper end of the measuring scale (11) of the lower marker (1) are aligned and spliced ​​in sequence to form a continuous measuring scale.

Images