Combined device convenient for measuring slope ratio of foundation pit side slope

Abstract

The invention relates to the technical field of side slope measuring tools, in particular to a combined device convenient for measuring the slope ratio of a foundation pit side slope, which comprises a square tube and telescopic rods, the square tube is provided with an angle ruler, the two telescopic rods are respectively arranged at two ends of the square tube in a sliding manner, and one side of each telescopic rod is provided with a mounting groove. Rotating seats are fixedly connected to the inner walls of one sides of the two mounting grooves, rectangular cylinders are fixedly connected to one sides of the two rotating seats, and supporting rods are slidably connected to the inner walls of the two rectangular cylinders; one sides of the two rectangular cylinders fixedly communicate with air pipes, and control valves are fixedly mounted on the surfaces of the two air pipes; through the design of the adjustable supporting structure, the air pressure locking mechanism and the sliding angle ruler, rapid, stable and accurate measurement on a complex slope surface is achieved, the problems that a traditional slope scale is prone to being affected by local unevenness, hand-held shaking is large, and reading is unstable are solved, and the efficiency and reliability of slope ratio measurement are improved.

Description

Technical Field

[0001] This invention relates to the field of slope measurement tools, and in particular to a combined device that facilitates the measurement of the slope ratio of foundation pit slopes. Background Technology

[0002] In the construction of foundation pits, road cuts, and earthwork excavation, accurate measurement of slope ratio is a key link to ensure slope stability, construction safety, and project quality.

[0003] Currently, the most commonly used slope measuring tool on construction sites is the bubble tube angle gauge (also known as a slope gauge). It obtains the slope value by placing the main scale against the slope surface, centering the bubble in the level tube, and then reading the scale. This type of tool has the advantages of simple operation and low cost, and is widely used in the rapid inspection of generally flat slopes.

[0004] However, in practical engineering applications, traditional angle gauges have significant limitations. When the slope surface is uneven, the measurement results are easily affected by micro-topographical interference, only representing the local slope at the contact point, resulting in discrete and insufficiently representative measurement data. Secondly, traditional angle gauges lack effective leveling and stable support structures, making them prone to wobbling when held on a slope, and the bubble is not easily kept stable in the center, leading to large reading errors and affecting measurement accuracy and repeatability.

[0005] Based on this, a combined device is proposed to facilitate the measurement of the slope ratio of the foundation pit. Summary of the Invention

[0006] To address the aforementioned technical problems, this invention proposes a combined device that facilitates the measurement of the slope ratio of foundation pits.

[0007] The technical solution for achieving the objective of this invention is: a combined device for facilitating the measurement of the slope ratio of a foundation pit, comprising a square tube, on which an angle gauge is mounted, and further comprising:

[0008] The telescopic rods are slidably mounted at both ends of the square tube. Each of the two telescopic rods has an installation groove on one side. A rotating seat is fixedly connected to the inner wall of one side of each of the two installation grooves. A rectangular tube is fixedly connected to one side of each of the two rotating seats. A support rod is slidably connected to the inner wall of each of the two rectangular tubes.

[0009] Each of the two rectangular tubes has a fixed air pipe connected to one side, and a control valve is fixedly installed on the surface of each of the two air pipes.

[0010] Preferably, spring 2 is fixedly connected to one inner wall of each of the two rectangular tubes, and one end of each spring 2 is fixedly connected to one end of the corresponding two support rods.

[0011] Preferably, one end of each of the two support rods is fixedly connected to a support leg, and the two rectangular tubes and the two support rods are rotatably arranged between the mounting groove and the mounting groove.

[0012] Preferably, the inner bottom wall of the square tube has two limiting grooves, and the inner walls of the two limiting grooves are slidably connected to two limiting blocks. The upper surfaces of the two limiting blocks are respectively fixedly connected to the lower surfaces of the corresponding two telescopic rods.

[0013] Preferably, one side of the square tube is threaded with two fastening bolts, and one end of each of the two fastening bolts is rotatably connected with an anti-slip pad. The two telescopic rods are respectively limited between the two fastening bolts and the square tube.

[0014] Preferably, the upper surface of the square tube is provided with a groove, and a slider is slidably connected to the inner wall of the groove, and the angle ruler is fixedly set on the upper surface of the slider.

[0015] Preferably, a limiting rack is fixedly connected to one inner wall of the slide groove, a sliding hole is provided on one side of the slider, a pull rod is slidably connected to the inner wall of the sliding hole, and a locking rack is fixedly connected to one end of the pull rod.

[0016] Preferably, a spring is fitted on the surface of the pull rod, and the two ends of the spring are fixedly connected to the opposite surfaces of the slider and the locking rack, respectively. A rectangular groove is provided on one side of the square tube, and the pull rod is slidably disposed inside the rectangular groove.

[0017] The significant advantages of this invention compared to existing technologies are:

[0018] Firstly, this invention utilizes a retractable and rotatable support rod and foot structure, enabling the device to stably conform to the slope surface. Furthermore, it employs a pneumatic locking and spring buffering mechanism to achieve rapid leveling and adaptive fine-tuning. The angle gauge, through a slider and rack locking mechanism, can be precisely positioned with a fixed horizontal reference, significantly reducing human error and environmental interference, and improving the accuracy and repeatability of slope data.

[0019] Secondly, the telescopic rods at both ends of the device can be freely adjusted according to the slope width. The support rod is telescopic and rotatable, and equipped with air pressure regulation and spring buffering, enabling it to adapt to local undulations and changes in soil texture. The angle gauge can move along the chute, achieving continuous multi-point measurement after a single fixation, eliminating the need for repeated device relocation. This overcomes the limitation of traditional tools being only suitable for leveling slopes, expanding its application capabilities in various engineering scenarios such as foundation pits, road cuts, and embankment slopes.

[0020] Thirdly, this invention adopts a modular and foldable design: the support rod can be retracted into the mounting slot, and the telescopic rod can be retracted into the square tube, resulting in a compact overall structure that is easy to carry and store. The support rod is quickly locked and released by air pressure via an air pipe and control valve. Combined with the fastening bolts and rack and pinion locking mechanism, the entire process of adjustment, fixing, reading, and storage is smooth and efficient, reducing on-site assembly and debugging time. It is suitable for frequent, multi-point slope monitoring tasks, and is beneficial for the real-time performance and efficiency of construction monitoring. Attached Figure Description

[0021] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 This is a three-dimensional structural schematic diagram provided by the present invention;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the square tube provided by the present invention;

[0024] Figure 3 This is a schematic diagram of the moving mechanism structure provided by the present invention;

[0025] Figure 4 This invention provides Figure 3 Enlarged structural diagram at point A in the middle;

[0026] Figure 5 This is a schematic diagram of the support mechanism structure provided by the present invention;

[0027] Figure 6 This invention provides Figure 5 Enlarged structural diagram at point B;

[0028] Figure 7 This is a schematic diagram of the support mechanism structure provided by the present invention.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Square tube; 2. Angle gauge; 3. Telescopic rod; 4. Fastening bolt; 5. Slide groove; 6. Rectangular groove; 7. Limiting rack; 8. Sliding block; 9. Locking rack; 10. Pull rod; 11. Spring 1; 12. Limiting groove; 13. Limiting block; 14. Mounting groove; 15. Rotating seat; 16. Rectangular tube; 17. Support rod; 18. Spring 2; 19. Air pipe; 20. Control valve. Detailed Implementation

[0031] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] This invention provides an improved combined device for facilitating the measurement of the slope ratio of foundation pits. The technical solution of this invention is as follows:

[0033] like Figure 1-7 As shown, a combined device for facilitating the measurement of the slope ratio of a foundation pit includes a square tube 1, made of high-strength aluminum alloy or stainless steel, with anodized or rust-proof surface treatment, featuring light weight, corrosion resistance, and deformation resistance. An angle gauge 2 is mounted on the square tube 1, with an engineering plastic shell and an internally embedded high-precision bubble level and mechanical angle scale. The device also includes:

[0034] The telescopic rod 3 is made of carbon steel with chrome plating, and has a smooth and wear-resistant surface. A nylon slider 8 is provided between it and the square tube 1 to reduce friction. A limit block 13 is welded to the bottom of the telescopic rod 3, which cooperates with the limit groove 12 in the square tube 1 to prevent the telescopic rod 3 from twisting or falling out. The two telescopic rods 3 are respectively slidably set at both ends of the square tube 1. An installation groove 14 is opened on one side of each of the two telescopic rods 3. A rotating seat 15 is fixedly connected to the inner wall of one side of each of the two installation grooves 14. The rotating seat 15 is made of cast aluminum integrated bearing seat with embedded self-lubricating copper sleeve to realize the rotation of the support rod 17 in the vertical plane. A rectangular tube 16 is fixedly connected to one side of each of the two rotating seats 15. The support rod 17 is slidably connected to the inner wall of each of the two rectangular tubes 16.

[0035] Each of the two rectangular tubes 16 has an air pipe 19 fixedly connected to one side. The rectangular tubes 16 are square aluminum alloy profiles with low-friction plastic bushings attached to their inner walls. The support rod 17 is a solid stainless steel rod with graduated markings on its surface. Control valves 20 are fixedly installed on the surface of each of the two air pipes 19.

[0036] like Figure 6 and Figure 7 As shown, springs 18 are fixedly connected to one side of the inner wall of each of the two rectangular tubes 16, and one end of each spring 18 is fixedly connected to one end of the corresponding two support rods 17.

[0037] One end of each of the two support rods 17 is fixedly connected to a foot, and a replaceable rubber anti-slip pad is installed at the end of the support rod 17. The bottom of the pad has corrugated teeth to enhance the grip on the slope. The two rectangular tubes 16 and the two support rods 17 are rotatably set between the mounting groove 14.

[0038] Two limiting grooves 12 are provided on the inner bottom wall of the square tube 1. Two limiting blocks 13 are slidably connected to the inner walls of the two limiting grooves 12. The upper surfaces of the two limiting blocks 13 are fixedly connected to the lower surfaces of the corresponding two telescopic rods 3.

[0039] Two fastening bolts 4 are threaded on one side of the square tube 1. The fastening bolts 4 are stainless steel butterfly bolts with handles and have rotatable rubber anti-slip pads at the ends for manual and quick locking. Anti-slip pads are rotatably connected to one end of each of the two fastening bolts 4. The two telescopic rods 3 are respectively limited between the two fastening bolts 4 and the square tube 1.

[0040] like Figure 3 and Figure 4 As shown, a groove 5 is provided on the upper surface of the square tube 1, and a slider 8 is slidably connected to the inner wall of the groove 5. An angle ruler 2 is fixedly set on the upper surface of the slider 8.

[0041] A limiting rack 7 is fixedly connected to one inner wall of the slide groove 5. A sliding hole is opened on one side of the slider 8, and a pull rod 10 is slidably connected to the inner wall of the sliding hole. A locking rack 9 is fixedly connected to one end of the pull rod 10. The slider 8 is made of cast aluminum and has a spring return device inside. Both the locking rack 9 and the limiting rack 7 are hardened steel racks, and there is no slippage after engagement.

[0042] A spring 11 is fitted on the surface of the pull rod 10. The surface of the pull rod 10 is provided with anti-slip threads and a plastic pull ring at the end for easy one-handed operation. The two ends of the spring 11 are fixedly connected to the opposite surfaces of the slider 8 and the locking rack 9, respectively. A rectangular groove 6 is provided on one side of the square tube 1, and the pull rod 10 is slidably disposed inside the rectangular groove 6.

[0043] The specific working method is as follows: pull out the two telescopic rods 3 from both ends of the square tube 1, adjust the extension length of the telescopic rods 3 according to the width of the slope to be measured, so that the overall length of the device adapts to the transverse span of the slope, and fix the telescopic rods 3 by rotating the fastening bolts 4 on both sides of the square tube 1 to press the anti-slip pads against the surface of the telescopic rods 3. If it is necessary to adjust the position of the angle ruler 2 on the square tube 1, pull the pull rod 10 outward to disengage the locking rack 9 from the limiting rack 7, and then slide the slider 8 to the appropriate position and release the pull rod 10. Under the action of the spring 11, the locking rack 9 re-engages the limiting rack 7 to achieve the positioning of the angle ruler 2.

[0044] Place the device on the slope to be measured, making the square tube 1 roughly parallel to the slope surface. Pull the support rods 17 on both sides to extend them out of the rectangular tube 16. Adjust the contact angle between the support rods 17 and the slope surface by rotating the seat 15 to ensure that the support feet are firmly supported on the slope surface. If the slope surface is uneven, the extension length of the support rods 17 can be further adjusted: open the control valve 20 on the corresponding air pipe 19, and push or pull back the support rods 17 by blowing or sucking air to achieve fine adjustment; after adjustment, close the control valve 20 and use air pressure to lock the position of the support rods 17.

[0045] Spring 18 provides a certain elastic buffer, allowing the support legs to better adapt to the local unevenness of the slope. Observe the bubble in the level tube on the angle ruler 2, and center the bubble by slightly adjusting the extension or rotation of the support rod 17. At this time, the device is in a horizontal state.

[0046] Read the slope value indicated on the angle ruler 2, which is the slope ratio of that section of the slope. If it is necessary to measure different locations, loosen the fastening bolt 4, move the telescopic rod 3 or slide the angle ruler 2 as a whole, and repeat the above steps to perform multi-point measurements;

[0047] Record the slope data at each measurement point for slope stability analysis or construction guidance. After use, open the control valve 20 to release the air pressure, push the support rod 17 back into the rectangular tube 16, rotate the support rod 17 to retract it into the installation groove 14, retract the telescopic rod 3, loosen the fastening bolt 4, and organize and store it for easy carrying.

[0048] The technical means disclosed in this invention are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this invention are common knowledge to those skilled in the art.

Claims

1. A combined device for facilitating the measurement of the slope ratio of a foundation pit, comprising a square tube (1), wherein an angle gauge (2) is provided on the square tube (1), characterized in that, Also includes: Telescopic rods (3), two telescopic rods (3) are respectively slidably disposed at both ends of square tube (1), and each of the two telescopic rods (3) has an installation groove (14) on one side, and a rotating seat (15) is fixedly connected to the inner wall of one side of each of the two installation grooves (14), and a rectangular tube (16) is fixedly connected to one side of each of the two rotating seats (15), and a support rod (17) is slidably connected to the inner wall of each of the two rectangular tubes (16). One side of each of the two rectangular tubes (16) is fixedly connected to an air pipe (19), and a control valve (20) is fixedly installed on the surface of each of the two air pipes (19).

2. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 1, characterized in that: Spring 2 (18) is fixedly connected to one side inner wall of each of the two rectangular tubes (16), and one end of each of the two spring 2 (18) is fixedly connected to one end of the corresponding two support rods (17).

3. The combined device for facilitating the measurement of the slope ratio of a foundation pit according to claim 2, characterized in that: One end of each of the two support rods (17) is fixedly connected to a support foot, and the two rectangular tubes (16) and the two support rods (17) are rotatably arranged between the mounting groove (14).

4. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 3, characterized in that: The inner bottom wall of the square tube (1) has two limiting grooves (12), and the inner walls of the two limiting grooves (12) are slidably connected to two limiting blocks (13). The upper surfaces of the two limiting blocks (13) are respectively fixedly connected to the lower surfaces of the corresponding two telescopic rods (3).

5. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 4, characterized in that: Two fastening bolts (4) are threadedly connected to one side of the square tube (1). One end of each of the two fastening bolts (4) is rotatably connected to an anti-slip pad. The two telescopic rods (3) are respectively limited to the square tube (1) by the two fastening bolts (4).

6. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 1, characterized in that: The upper surface of the square tube (1) is provided with a groove (5), and a slider (8) is slidably connected to the inner wall of the groove (5). The angle ruler (2) is fixedly set on the upper surface of the slider (8).

7. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 6, characterized in that: A limiting rack (7) is fixedly connected to one side of the inner wall of the slide groove (5), and a sliding hole is provided on one side of the slider (8). A pull rod (10) is slidably connected to the inner wall of the sliding hole, and a locking rack (9) is fixedly connected to one end of the pull rod (10).

8. The combined device for facilitating the measurement of slope ratio of foundation pit side slopes according to claim 7, characterized in that: The surface of the pull rod (10) is fitted with a spring (11), and the two ends of the spring (11) are fixedly connected to the opposite surfaces of the slider (8) and the locking rack (9), respectively. A rectangular groove (6) is opened on one side of the square tube (1), and the pull rod (10) is slidably disposed inside the rectangular groove (6).

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