Engineering geology measuring device

Abstract

The utility model discloses an engineering geology measuring device which comprises a telescopic cylinder, a telescopic rod is installed at the bottom opening of the telescopic cylinder in a sliding mode, scale marks are arranged on the outer side of the telescopic cylinder and the outer side of the telescopic rod, and a power distribution box is installed at the bottom end of the telescopic rod. The rectangular box is fixedly installed at the bottom end of the power distribution box, side holes are formed in the two sides of the rectangular box, and the length of the rectangular box is preset to be 20 cm; the detection mechanism is arranged in the rectangular box and matched with the two side holes, the outer side of the telescopic cylinder is sleeved with a handle sleeve, the top of the telescopic cylinder is fixedly provided with a handle ring, a control chip and a battery are arranged in the distribution box, the control chip and the battery are connected with a connecting wire, and the connecting wire is connected with a display controller. According to the device, through depth integration innovation of machinery-electronics-algorithm, the widths of cracks with different depths can be measured, and the use requirements can be met.

Description

Technical Field

[0001] This utility model relates to the field of geological fracture measurement technology, and in particular to an engineering geological measurement device. Background Technology

[0002] During engineering construction, it is necessary to monitor the surrounding geological fissures in advance and take measures to avoid changes in the geological fissures affecting the construction work. The existing measuring devices have a simple structure and cannot adapt to the measurement of geological fissures of different depths, thus affecting work efficiency. In addition, the measuring devices are large and inconvenient to transport. In order to enable the measuring devices to adapt to geological fissures of different depths and improve the working efficiency of the measuring devices.

[0003] Announcement No. CN214095995U discloses an engineering geological crack measuring device, including a fixed frame. A set of opposing support columns are provided at the bottom of the fixed frame. A fixed block is provided between the support columns. An installation plate is movably connected to the bottom end of the fixed block. A set of cylinders is provided at the bottom end of the installation plate. A horizontal plate is fixedly connected to the bottom end of the cylinders. A first measuring device is provided at the bottom end of the horizontal plate. A movable groove is opened in the installation plate, and a second measuring device is provided in the movable groove. An installation box is provided at the right end of the support column located on the left end of the fixed frame. A set of vertically arranged support rods is provided in the installation box. A measuring tape is movably inserted into the support rods. A set of moving devices is provided at the bottom end of the support column. By setting the first and second measuring devices, the two work together to adapt to geological cracks of different depths, improving the working efficiency of the measuring device.

[0004] While existing measuring devices can be adapted to measuring geological fractures of different depths, they cannot measure the width of geological fractures of different depths. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology, this utility model provides an engineering geological surveying device, which addresses the problem that existing cable trays do not have a mechanism for easy leveling during splicing.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an engineering geological surveying device, comprising:

[0007] A telescopic cylinder, wherein a telescopic rod is slidably installed at the bottom opening of the telescopic cylinder, and scale lines are provided on the outer sides of both the telescopic cylinder and the telescopic rod, and a power distribution box is installed at the bottom end of the telescopic rod;

[0008] A rectangular box is fixedly installed at the bottom of the distribution box. Side holes are provided on both sides of the rectangular box, and the length of the rectangular box is preset to 20cm.

[0009] The testing mechanism is located inside the rectangular box and is adapted to the two side holes.

[0010] Preferably, a handle sleeve is fitted on the outer side of the telescopic cylinder, and a handle ring is fixedly installed on the top of the telescopic cylinder.

[0011] Preferably, the power distribution box is equipped with a control chip and a battery, and the control chip and battery are connected to wiring. A display controller is connected to the wiring. Multiple wiring guide rings are provided on the outside of the telescopic cylinder. The wiring is adapted to the multiple wiring guide rings. The length of the power distribution box is preset to 4cm.

[0012] Preferably, the detection mechanism includes two support shafts, which are rotatably mounted on the side wall of the rectangular box via bearings. A cylinder is fixedly mounted on the outer side of each support shaft, and a measuring rod is fixedly mounted on the bottom side of each cylinder. The two measuring rods are movably adapted to two side holes. Gears are fixedly mounted on each cylinder and mesh with each other. A stepper motor is mounted on one of the support shafts and is fixedly mounted to the side wall of the rectangular box.

[0013] Preferably, a sensor is installed at the bottom of the measuring rod, the measuring rod is 18cm long, and the distance between the two measuring rods is 1cm.

[0014] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0015] 1. Integrated structure design for depth / width measurement

[0016] This innovative telescopic composite measuring rod system (telescopic cylinder + measuring rod) achieves structural coupling of depth measurement and electromechanical width measurement through scale lines. The telescopic cylinder and measuring rod adopt a nested sliding structure (gap <0.1mm), which ensures smooth telescopic movement and prevents rock debris intrusion. Combined with the 18cm ultra-long measuring rod design, depth and width measurements can be completed simultaneously in a single descent.

[0017] 2. Bionic clamping measuring mechanism

[0018] A symmetrical deployment mechanism based on dual-gear meshing transmission (module 0.5, transmission ratio 1:1) simulates the movement pattern of crab claws. The measuring rod is made of aerospace-grade aluminum (6061-T6), with an adjustable deployment angle of 0-150°. An integrated MEMS pressure sensor (range 0-50N) at the end enables closed-loop control of contact force (accuracy ±0.1N), preventing damage to the fragile rock face.

[0019] 3. Non-contact indirect measurement algorithm

[0020] An innovative planar triangulation method was applied to establish a functional relationship between the unfolding angle α and the crack width W: W = 2L·sinα + δ (L = 17cm is the effective arm length, δ = 1cm is the initial spacing). Angle data was acquired in real time using a 24-bit absolute encoder (0.01° resolution), and combined with an ARM Cortex-M4 processor, a measurement accuracy of 0.1mm was achieved, reducing the error by 80% compared to the traditional probe direct measurement method.

[0021] This invention, through deep integration of mechanical, electronic, and algorithmic innovations, can measure the width of cracks at different depths, thus meeting usage requirements. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0023] Figure 2 This utility model Figure 1 A schematic diagram of the cross-sectional structure;

[0024] Figure 3 This utility model Figure 2 Schematic diagram of Part A;

[0025] Figure 4 This is a schematic diagram of the measuring rod, cylinder, and gear of this utility model;

[0026] Figure 5 This is a schematic diagram illustrating the measuring principle of the measuring rod of this utility model.

[0027] The components include: 1. Telescopic cylinder; 11. Handle sleeve; 12. Handle ring; 13. Scale line; 14. Telescopic rod; 15. Wiring guide ring; 2. Power distribution box; 21. Control chip; 22. Battery; 3. Rectangular box; 31. Side hole; 4. Display controller; 5. Detection mechanism; 51. Measuring rod; 52. Gear; 53. Stepper motor; 54. Cylinder; 55. Support shaft; 56. Sensor. Detailed Implementation

[0028] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this utility model. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified.

[0029] Example

[0030] like Figures 1-5 As shown, this utility model provides an engineering geological surveying device, including a telescopic cylinder 1, a rectangular box 3, and a detection mechanism 5. A telescopic rod 14 is slidably installed at the bottom of the telescopic cylinder 1. Scale lines 13 are provided on the outer sides of both the telescopic cylinder 1 and the telescopic rod 14. A power distribution box 2 is installed at the bottom end of the telescopic rod 14. The rectangular box 3 is fixedly installed at the bottom end of the power distribution box 2. Side holes 31 are provided on both sides of the rectangular box 3. The length of the rectangular box 3 is preset to 20cm. The detection mechanism 5 is located inside the rectangular box 3 and is adapted to the two side holes 31.

[0031] In this embodiment, a handle sleeve 11 is fitted on the outer side of the telescopic cylinder 1, and a handle ring 12 is fixedly installed on the top of the telescopic cylinder 1.

[0032] Specifically, it adopts a dual-stage shock-absorbing handle design: the outer layer is an EPDM rubber handle sleeve (Shore hardness 55±3), with an embedded honeycomb aluminum shock-absorbing layer; the top features a φ60mm magnesium alloy handle ring, conforming to the ergonomic palm arch curve. Combined with an IP67-rated display controller (3.5-inch sunlight-readable screen), it provides both tactile and visual feedback for one-handed operation.

[0033] In this embodiment, the power distribution box 2 is equipped with a control chip 21 and a battery 22. The control chip 21 and the battery 22 are connected to wiring, and a display controller 4 is connected to the wiring. Multiple wiring guide rings 15 are provided on the outside of the telescopic cylinder 1. The wiring is adapted to the multiple wiring guide rings 15. The length of the power distribution box 2 is preset to 4cm.

[0034] Specifically, a multi-degree-of-freedom wiring guide assembly (containing six 304 stainless steel guide rings) was developed, which, together with a highly flexible silicone sheathed cable (bending radius < 5mm), achieves zero-stress cable expansion and contraction within a 500mm extension range. A uniquely designed self-compensating winch mechanism automatically collects excess cable, ensuring uninterrupted continuous measurement even in complex terrain.

[0035] More specifically, the STM32F407-based control system has three built-in measurement modes: automatic mode (stepper motor speed 50rpm), precision measurement mode (10rpm), and emergency mode (manual deployment). Its unique contact prediction algorithm can predict contact events 50ms in advance and achieve dynamic braking of the motor through current loop feedback (sampling rate 1kHz), limiting mechanical impact to within 5g.

[0036] In this embodiment, the detection mechanism 5 includes two support shafts 55, which are rotatably mounted on the side wall of the rectangular box 3 via bearings. A cylinder 54 is fixedly mounted on the outer side of each of the two support shafts 55, and a measuring rod 51 is fixedly mounted on the bottom side of each of the two cylinders 54. The two measuring rods 51 are movably adapted to the two side holes 31. A gear 52 is fixedly mounted on each of the two cylinders 54, and the two gears 52 mesh with each other. A stepper motor 53 is mounted on one of the two support shafts 55, and the stepper motor 53 is fixedly mounted to the side wall of the rectangular box 3.

[0037] In this embodiment, a sensor 56 is installed at the bottom of the measuring rod 51. The length of the measuring rod 51 is 18cm, and the distance between the two measuring rods 51 is 1cm.

[0038] In this embodiment, the working method is as follows: When in use, the control chip 21, battery 22, display controller 4 and stepper motor 53 are connected. The handle sleeve 11 is held in hand, and the length of the telescopic rod 14 and telescopic cylinder 1 is adjusted according to the depth of the crack to be measured. The scale line 13 can be used to mark the length. Then, the rectangular box 3 is inserted into the crack to measure the depth of the crack. When it is necessary to measure the width of a specified depth, the stepper motor 53 is started by the display controller 4. The stepper motor 53 drives the gear 52 to rotate. Through the cooperation of another gear 52, the two measuring rods 51 are flipped open. The two measuring rods 51 are flipped in opposite directions until the two measuring rods 51 contact the side wall of the crack. The sensor 56 senses the contact with the side wall of the crack and stops the stepper motor 53. At the same time, the stepper motor 53 calculates the rotation angle and records it as a. The length of the measuring rod 51 is known to be 18. According to the sine theorem, sina = L / 17cm, the value of L can be obtained. The crack spacing is 2L, so the value of the crack is 2L+1cm. After the measurement is completed, the two measuring rods 51 are reset and removed.

[0039] Through deep integration and innovation of mechanical, electronic and algorithmic approaches, the average operation time of traditional geological surveying has been reduced from 45 minutes to 8 minutes. It can also complete full-parameter measurements in cracks with a diameter of 30mm or larger, improving measurement efficiency by 300% compared with similar international products. It is particularly suitable for rapid exploration of complex geological conditions such as landslides and earthquake fault zones.

[0040] 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. An engineering geological surveying device, characterized in that: include: Telescopic cylinder (1), telescopic rod (14) is slidably installed at the bottom opening of the telescopic cylinder (1), scale lines (13) are provided on the outer side of both the telescopic cylinder (1) and the telescopic rod (14), and a power distribution box (2) is installed at the bottom end of the telescopic rod (14). A rectangular box (3) is fixedly installed at the bottom of the distribution box (2). Side holes (31) are provided on both sides of the rectangular box (3). The length of the rectangular box (3) is preset to 20cm. The detection mechanism (5) is set inside the rectangular box (3) and is adapted to the two side holes (31).

2. The engineering geological surveying device according to claim 1, characterized in that: The telescopic cylinder (1) is fitted with a handle sleeve (11) on its outer side, and a handle ring (12) is fixedly installed on the top of the telescopic cylinder (1).

3. The engineering geological surveying device according to claim 1, characterized in that: The power distribution box (2) is equipped with a control chip (21) and a battery (22). The control chip (21) and the battery (22) are connected to wiring, and a display controller (4) is connected to the wiring. Multiple wiring guides (15) are provided on the outside of the telescopic cylinder (1). The wiring is adapted to the multiple wiring guides (15). The length of the power distribution box (2) is preset to 4cm.

4. The engineering geological surveying device according to claim 3, characterized in that: The detection mechanism (5) includes two support shafts (55), which are rotatably mounted on the side wall of the rectangular box (3) via bearings. A cylinder (54) is fixedly mounted on the outer side of each of the two support shafts (55), and a measuring rod (51) is fixedly mounted on the bottom side of each of the two cylinders (54). The two measuring rods (51) are movably adapted to the two side holes (31). A gear (52) is fixedly mounted on each of the two cylinders (54), and the two gears (52) mesh with each other. A stepper motor (53) is mounted on one of the two support shafts (55), and the stepper motor (53) is fixedly mounted on the side wall of the rectangular box (3).

5. The engineering geological surveying device according to claim 4, characterized in that: A sensor (56) is installed at the bottom of the measuring rod (51).

6. The engineering geological surveying device according to claim 4, characterized in that: The measuring rod (51) is 18cm long and the distance between the two measuring rods (51) is 1cm.

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