Right-angle depth measuring scale for measuring compactness by sand filling method
By designing a right-angle depth measurement ruler, combining the measuring rod, sliding sleeve and folding bottom rod, the error problem of traditional instruments in roadbed compaction detection is solved, achieving higher accuracy and convenient measurement.
Patent Information
- Application Number
- CN202422119907.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Traditional depth measurement instruments are prone to inclination errors and visual errors in roadbed compaction detection, resulting in inaccurate detection of detection results.
A right-angle depth measurement ruler for measuring compaction by sand filling method is designed, including measuring rods, sliding sleeves, folding compression rods and foldable bottom rods. Through the coordination of measuring rods and sliding sleeves, rapid and intuitive measurement is achieved, and the vertical state of the measurement is ensured through the folding bottom rods to reduce errors.
It effectively reduces tilt error and visual error, improves measurement accuracy and portability, and enhances the convenience of use.
Smart Images
Figure CN223163846U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of measuring tools, in particular to a right-angle depth measuring ruler for measuring the compactness by the sand replacement method. Background Technique
[0002] In the detection of subgrade compactness, the sand replacement method is the most common detection method. According to relevant specification requirements, the detection depth needs to be controlled above 15 cm. The traditional depth measuring instrument still stays at using a straight ruler for measurement. This is likely to cause a certain inclination error and visual error, resulting in a certain error in the detected compactness. Therefore, the utility model proposes a right-angle depth measuring ruler for measuring the compactness by the sand replacement method to solve the above problems. Content of the Utility Model
[0003] The purpose of the utility model is to provide a right-angle depth measuring ruler for measuring the compactness by the sand replacement method to solve the problems raised in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A right-angle depth measuring ruler for measuring the compactness by the sand replacement method, including
[0005] a measuring rod, a scale is arranged on the outer side of the measuring rod, a horizontal ball is fixedly connected to the upper end of the measuring rod, a sliding sleeve is sleeved on the outer side of the measuring rod, a folding pressure rod is connected to one side of the sliding sleeve, a receiving groove is opened inside the lower end of the measuring rod, a folding bottom rod is inserted and received in the receiving groove, the folding bottom rod is hinged on a turning connection seat, and the turning connection seat is fastened in the receiving groove by threads.
[0006] Preferably, a receiving groove is opened at the lower end of the measuring rod, a threaded groove is arranged inside the opening of the receiving groove, the outer part of the threaded groove is a countersunk head groove divided into upper and lower parts, the threaded groove corresponds to the turning connection seat, and the turning connection seat is threadedly fastened and connected in the threaded groove.
[0007] Preferably, a connecting head is arranged on one side of the sliding sleeve, a damping hinge shaft is connected inside the connecting head, and the folding pressure rod is hinged and connected to the outside of the damping hinge shaft.
[0008] Preferably, a connecting piece protrudes from the rear end of the folding pressure rod, the connecting piece is hinged to the connecting head, a stop block is also fixedly connected to the upper end of the connecting head, and a level gauge is inlaid and connected to the upper side of the front end of the folding pressure rod.
[0009] Preferably, the flipping connection base includes a lower connection end at the lower end. A thread is provided on the outer side of the lower connection end. A knob is fixedly connected to the middle of the lower end of the lower connection end. An upper connection end is integrally formed at the upper end of the lower connection end. The diameter of the upper connection end is smaller than that of the lower connection end. A thread is also provided on the outer side of the upper connection end. The lower connection end corresponds to the lower part of the thread groove, and the upper connection end corresponds to the upper part of the thread groove and is threadedly connected. A hinge head is integrally formed and protruded in the middle of the upper end of the upper connection end. A shaft hole is opened in the middle of the upper end of the hinge head. A folding bottom rod is hinged on the outer side of the upper end of the hinge head. An articulated sleeve corresponding to the hinge head is provided at the lower end of the folding bottom rod.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] By providing a foldable and retractable bottom rod at the bottom of the measuring rod, a sliding sleeve and a foldable pressing rod are sleeved on the outer side of the measuring rod. After unfolding, the whole is in a Z shape, forming a right-angle depth measuring ruler in combination. Horizontal structures are provided at the upper ends of both the pressing rod and the measuring rod. When measuring, the right-angle depth measuring ruler is inserted into the measuring pit pre-dug by the sand replacement method, and the sliding sleeve is moved to make the unfolded pressing rod close to the ground. The measured value can be directly read through the position of the sliding sleeve on the measuring rod. The overall structure of the device is simple, convenient for folding and storage, easy to carry, fast to use. The bottom rod extends the bottom surface, making it more convenient to level the ground, which can minimize the inclination error and visual error and improve the use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic structural diagram of the present utility model;
[0013] Figure 2 is a schematic internal structure diagram of the present utility model;
[0014] Figure 3 is a schematic unfolded structural diagram of the present utility model;
[0015] Figure 4 is Figure 2 a schematic enlarged structure diagram of part A in
[0016] In the figure: 1 measuring rod, 2 horizontal ball, 3 sliding sleeve, 4 connection head, 5 stopper, 6 folding pressing rod, 7 level, 8 storage groove, 9 folding bottom rod, 10 flipping connection base, 11 lower connection end, 12 knob, 13 upper connection end, 14 hinge head. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] In order to clearly and completely describe the purpose and technical solution of the present utility model, and make its advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some embodiments of the present utility model, rather than all embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.
[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0019] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0020] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily making these embodiments difficult to understand. Additionally, all embodiments can be used in combination with each other.
[0021] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: a right-angle depth measuring ruler for measuring compaction degree by the sand replacement method, including
[0022] The measuring rod 1 is provided with scales on the outside. A horizontal ball 2 is fixedly connected to the upper end of the measuring rod 1. A sliding sleeve 3 is sleeved on the outside of the measuring rod 1. One side of the sliding sleeve 3 is connected with a folding pressure rod 6. A receiving groove 8 is opened inside the lower end of the measuring rod 1. A folding bottom rod 9 is inserted and received in the receiving groove 8. The folding bottom rod 9 is hinged on a flipping connecting seat 10. The flipping connecting seat 10 is fastened in the receiving groove 8 by threads;
[0023] A receiving groove 8 is opened at the lower end of the measuring rod 1. A threaded groove is provided inside the opening of the receiving groove 8. The outside of the threaded groove is a countersunk head groove divided into upper and lower parts. The threaded groove corresponds to the flipping connecting seat 10. The flipping connecting seat 10 is threadedly fastened and connected in the threaded groove. By the cooperation of the measuring rod 1, the sliding sleeve and the folding pressure rod 6, the measured value can be observed more quickly and intuitively. A level 7 is inlaid at the end of the folding pressure rod 6. The horizontal ball 2 fixedly connected to the upper end of the measuring rod 1 can quickly level the device, ensuring the measurement accuracy and avoiding the measuring rod 1 from being deflected or skewed. Moreover, the folding pressure rod 6 can be folded and stored, reducing the occupied space, and effectively improving the portability and the convenience of use;
[0024] A connecting head 4 is provided on one side of the sliding sleeve 3. A damping hinge shaft is connected inside the connecting head 4. The folding pressure rod 6 is hinged on the outside of the damping hinge shaft. By the sliding sleeve 3, it is convenient to slide and cooperate with the scales on the measuring rod 1 for numerical measurement, and the display is more intuitive. The setting of the folding pressure rod 6 can make it easier to level the device and avoid the skewness of the measuring rod 1 from affecting the accuracy of the measurement data;
[0025] A connecting piece protrudes from the rear end of the folding pressure rod 6. The connecting piece is hinged to the connecting head 4. A stop block 5 is also fixedly connected to the upper end of the connecting head 4. A level 7 is inlaid and connected on the upper side of the front end of the folding pressure rod 6;
[0026] The flipping connecting seat 10 includes a lower connecting end 11 at the lower end. Threads are provided on the outer side of the lower connecting end 11. A knob 12 is fixedly connected to the middle of the lower end of the lower connecting end 11. An upper connecting end 13 is integrally formed at the upper end of the lower connecting end 11. The diameter of the upper connecting end 13 is smaller than that of the lower connecting end 11. Threads are also provided on the outer side of the upper connecting end 13. The lower connecting end 11 corresponds to the lower part of the thread groove, and the upper connecting end 13 corresponds to the upper part of the thread groove and is threadedly connected. A hinge head 14 is integrally formed and protruded in the middle of the upper end of the upper connecting end 13. A shaft hole is opened in the middle of the upper end of the hinge head 14. A folding bottom rod 9 is hinged on the outer side of the upper end of the hinge head 14. A hinge sleeve corresponding to the hinge head 14 is provided at the lower end of the folding bottom rod 9. Double-sided connection and fastening can be achieved through the flipping connecting seat 10. When storing, the end of the upper connecting end 13 and the folding bottom rod 9 are inserted into the storage groove 8 together. When work needs to be carried out, the folding bottom rod 9 and the flipping connecting seat 10 are taken out together, and the flipping connecting seat 10 is swapped from head to tail. The lower connecting end 11 is threadedly connected to the inner part of the lower end of the storage groove 8, so that the folding bottom rod 9 is exposed outside, and the folding bottom rod 9 is folded into a right angle. The hinge sleeve at the end of the folding bottom rod 9 is clamped and limited with the hinge head 14 to prevent the folding angle from being too large and affecting the leveling effect, ensure the vertical state of the measuring rod 1 during measurement, and can minimize the inclination error and visual error, and increase the use effect.
[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A right-angle depth measuring ruler for measuring the degree of compaction by the sand replacement method, characterized in that: Including A measuring rod (1) with scales provided on the outer side thereof. A horizontal ball (2) is fixedly connected to the upper end of the measuring rod (1). A sliding sleeve (3) is sleeved on the outer side of the measuring rod (1). One side of the sliding sleeve (3) is connected with a folding pressure rod (6). A receiving groove (8) is formed inside the lower end of the measuring rod (1), and a folding bottom rod (9) is inserted and received in the receiving groove (8). The folding bottom rod (9) is hinged on a flipping connecting seat (10), and the flipping connecting seat (10) is fastened in the receiving groove (8) by threads.
2. The right-angle depth measuring ruler for measuring the compaction degree by the sand replacement method according to claim 1, characterized in that: A receiving groove (8) is formed at the lower end of the measuring rod (1). A threaded groove is provided inside the opening of the receiving groove (8). The outer part of the threaded groove is a countersunk head groove divided into upper and lower parts. The threaded groove corresponds to the flipping connecting seat (10), and the flipping connecting seat (10) is threadedly fastened and connected in the threaded groove.
3. The right-angle depth measuring ruler for measuring the compaction degree by the sand replacement method according to claim 1, characterized in that: A connecting head (4) is provided on one side of the sliding sleeve (3). A damping hinge shaft is connected inside the connecting head (4), and a folding pressure rod (6) is hinged on the outer side of the damping hinge shaft.
4. The right-angle depth measuring ruler for measuring the compaction degree by the sand replacement method according to claim 3, characterized in that: A connecting piece protrudes from the rear end of the folding pressure rod (6), and the connecting piece is hinged to the connecting head (4). A stop block (5) is also fixedly connected to the upper end of the connecting head (4). A level (7) is inlaid and connected to the upper side of the front end of the folding pressure rod (6).
5. The right-angle depth measuring ruler for measuring the compaction degree by the sand replacement method according to claim 2, characterized in that: The flipping connecting seat (10) includes a lower connecting end (11) at the lower end. Threads are provided on the outer side of the lower connecting end (11). A knob (12) is fixedly connected to the middle of the lower end of the lower connecting end (11). An upper connecting end (13) is integrally formed at the upper end of the lower connecting end (11). The diameter of the upper connecting end (13) is smaller than that of the lower connecting end (11). Threads are also provided on the outer side of the upper connecting end (13). The lower connecting end (11) corresponds to the lower part of the threaded groove, and the upper connecting end (13) corresponds to the upper part of the threaded groove and is threadedly connected. A hinge head (14) protrudes integrally from the middle of the upper end of the upper connecting end (13). A shaft hole is formed in the middle of the upper end of the hinge head (14). A folding bottom rod (9) is hinged on the outer side of the upper end of the hinge head (14). A hinge sleeve corresponding to the hinge head (14) is provided at the lower end of the folding bottom rod (9).