A crack monitoring device for a road side slope

Abstract

The application belongs to the technical field of road slope crack monitoring, and specifically discloses a crack monitoring device for a road slope, which comprises a crack gauge body, and installation mechanisms are connected to the lower ends of the two sides of the crack gauge body; one of the installation mechanisms is rotationally connected with a first rotating block at the lower end thereof; first rotating seats are rotationally connected to the two sides of the outer wall of the first rotating block; a fixed plate is connected below the first rotating seat; the lower end of the first rotating seat is located on the upper end of the fixed plate and is capable of sliding; the lower end of the other installation mechanism is rotationally connected with a second rotating block; second rotating seats are rotationally connected to the two sides of the outer wall of the second rotating block; and the crack gauge body is precisely adjusted in parallel with the slope and is dynamically protected, so that high-precision monitoring of road slope cracks and long-acting protection of the equipment are realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of road slope crack monitoring, and particularly relates to a road slope crack monitoring device. BACKGROUND

[0002] As an important part of road infrastructure, the stability of road slope is directly related to road traffic safety. With the continuous growth of traffic flow and the frequent occurrence of extreme weather, cracks and landslides are prone to occur in slope soil, so real-time and accurate monitoring of slope cracks has become a key link to ensure the safe operation of roads.

[0003] The existing road slope crack monitoring device usually uses a crack meter to monitor cracks in real time. However, the crack meter is currently fixed in a cumbersome manner, and the device is fixedly installed and cannot automatically adjust the monitoring angle according to the change of the slope terrain, so that the crack meter and the crack direction are difficult to keep parallel, and the tangential displacement interference is easily mixed during measurement, causing data distortion. Moreover, the current equipment has poor protection performance and is difficult to resist adverse environmental factors such as rain erosion and rockfall impact, resulting in high failure rate of monitoring equipment, short service life and inability to meet the needs of long-term and continuous monitoring. SUMMARY

[0004] The purpose of the application is to solve the problems in the prior art and provide a road slope crack monitoring device.

[0005] To achieve the above purpose, the application provides a road slope crack monitoring device, which comprises a crack meter body, and two installation mechanisms are connected to the lower ends of the two sides of the crack meter body. One of the installation mechanisms is rotatably connected with a first rotating block at the lower end, and the first rotating block is rotatably connected with a first rotating seat on the two sides of the outer wall. A fixed plate is connected below the first rotating seat, and the first rotating seat slides on the upper end of the fixed plate at the lower end. The other installation mechanism is rotatably connected with a second rotating block at the lower end, and the second rotating block is rotatably connected with a second rotating seat on the two sides of the outer wall. Two second rotating seats are connected with a bottom plate at the lower end, and the bottom plate is connected with an installation plate on the two sides. The lower end of the fixed plate and the lower end of the bottom plate are evenly connected with a plug rod. The one side of the fixed plate and the corresponding one of the installation plates are connected with a protection assembly in the middle of the one side and the other side of the fixed plate and the other installation plate, respectively. The protection assembly is mainly used for protecting the crack meter body from damage caused by rockfall or rain.

[0006] Further, the mounting mechanism comprises two supporting blocks, middle portions of upper ends of the two supporting blocks are connected with supporting rods, both ends of the crack meter body are provided in a circular ring structure, both ends of the crack meter body are respectively inserted into outer walls of the two supporting rods, upper ends of the two supporting blocks are respectively connected with both sides of the lower end of the crack meter body, outer walls of the two supporting rods are sleeved with mounting rings, lower ends of the two mounting rings are respectively in contact with both sides of the upper end of the crack meter body, the two supporting rods are provided in a threaded manner, the outer walls of the supporting rods are threadedly connected with mounting nuts, and the lower ends of the mounting nuts are in contact with the upper ends of the mounting rings.

[0007] Further, one side of the upper end of the fixing plate is connected with a supporting plate, one side of the supporting plate is connected with a lead screw, one end of the lead screw extends through and reaches one side of the supporting plate, one side of the supporting plate is connected with a sliding rod, and the sliding rod is located at one side of the lead screw.

[0008] Further, the outer walls of the lead screw and the outer walls of the sliding rod are slidably connected with moving blocks, one of the moving blocks is threadedly connected with the lead screw, and two sides of the two moving blocks are respectively connected with two middle portions of both sides of the two first rotating bases.

[0009] Further, middle portions of both sides of the bottom plate are connected with sliding blocks, the two sliding blocks are respectively located at one side of the two mounting plates and slide, the two mounting plates are respectively provided with sliding grooves at positions corresponding to the two sliding blocks, the two sliding blocks are respectively slidably connected in the two sliding grooves, and the cross-sectional shapes of the sliding blocks and the sliding grooves are provided in an inverted convex structure.

[0010] Further, the protection assembly comprises two groups of supporting plates, one side of the upper end of each of the two supporting plates is rotatably connected with a first connecting base, the two first connecting bases are rotatably connected with a first connecting block, and one end of the first connecting block is connected with an electric telescopic rod.

[0011] Further, one end of each of the two electric telescopic rods is connected with a second connecting block, outer walls of the two second connecting blocks are rotatably connected with a second connecting base, the lower end of the second connecting base is connected with a protection shell, and one side of the protection shell is connected with a sealing strip.

[0012] Further, the lower end of the protection shell is in contact with one side of the upper end of each of the two supporting plates, one side of the lower portion of the protection shell is rotatably connected with a supporting block, and both sides of the supporting block are respectively connected with one side of the upper end of each of the two supporting plates through supporting bases.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] Through linkage adjustment of the lead screw and the double rotating base, it is ensured that the crack meter body is always parallel to the crack trend of the slope, measurement errors caused by angle deviation are avoided, tangential displacement interference is effectively eliminated, the monitoring data accurately reflects the actual deformation of the crack, and the reliability and effectiveness of the monitoring result are significantly improved.

[0015] The protective shell is closed by electric drive, and a sealing strip is arranged to form a fully closed protection space, which can effectively resist rain, dust, falling stones and other external invasions, and when the device displacement is caused by the change of the crack width, the protective shell can automatically adjust the angle and position through the rotating support point and the electric telescopic rod, and always maintain airtight sealing, thereby providing durable and stable protection for the crack meter body, and greatly reducing the equipment failure risk.

[0016] The device combines the accurate monitoring of the crack meter with the efficient protection function, ensures the high-precision collection of the monitoring data, prolongs the service life of the equipment through the protection assembly, and realizes the synchronous operation of stress release and protection sealing through the ingenious design of the mechanical structure, and reduces the monitoring deviation and equipment damage caused by external factors. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structural schematic diagram of the present application is shown in the figure;

[0018] Figure 2 The opening structure schematic diagram of the protective shell of the present application is shown in the figure;

[0019] Figure 3 The installation structure schematic diagram of the plug rod of the present application is shown in the figure;

[0020] Figure 4 The contraction structure schematic diagram of the electric telescopic rod of the present application is shown in the figure;

[0021] Figure 5 The installation structure schematic diagram of the fixed plate of the present application is shown in the figure;

[0022] Figure 6 The installation structure schematic diagram of the moving block of the present application is shown in the figure;

[0023] Figure 7 The installation structure schematic diagram of the slide rod of the present application is shown in the figure;

[0024] Figure 8 The installation structure schematic diagram of the slide block of the present application is shown in the figure.

[0025] In the figure: 1, the crack meter body; 2, the supporting block; 3, the supporting rod; 4, the mounting ring; 5, the mounting nut; 6, the first rotating block; 7, the first rotating seat; 8, the fixed plate; 9, the supporting plate; 10, the screw rod; 11, the sliding rod; 12, the moving block; 13, the inserting rod; 14, the second rotating block; 15, the second rotating seat; 16, the bottom plate; 17, the mounting plate; 18, the sliding block; 19, the sliding groove; 20, the supporting plate; 21, the first connecting seat; 22, the first connecting block; 23, the electric telescopic rod; 24, the second connecting block; 25, the second connecting seat; 26, the protective shell; 27, the sealing strip; 28, the supporting block. DETAILED DESCRIPTION

[0026] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] As Figures 1-8 shown in a kind of road side slope crack monitoring device, including crack meter body 1, crack meter body 1 lower end both sides are connected with installation mechanism, can be installed to the first rotating block 6 with the second rotating block 14 above respectively with both ends of crack meter body 1, one installation mechanism lower end is rotatably connected with the first rotating block 6, the first rotating block 6 outer wall both sides are rotatably connected with the first rotating seat 7, the first rotating seat 7 below is connected with fixed plate 8, can be fixed to the side slope ground above with one end of crack meter body 1, the first rotating seat 7 lower end is located on the fixed plate 8 upper end sliding, another installation mechanism lower end is rotatably connected with the second rotating block 14, can adjust the angle position of crack meter body 1, the second rotating block 14 outer wall both sides are rotatably connected with the second rotating seat 15, the lower end of two second rotating seats 15 is connected with bottom plate 16, bottom plate 16 both sides are connected with mounting plate 17, the lower end of fixed plate 8 and the lower end of bottom plate 16 are evenly connected with inserting rod 13, it is convenient to be inserted to the side slope above with fixed plate 8 and bottom plate 16, the side of fixed plate 8 and the side of corresponding one of mounting plate 17 middle part and the side of another mounting plate 17 middle part on the other side of fixed plate 8 are all connected with protection assembly, protection assembly is mainly used to protect crack meter body 1, avoid rockfall or rainwater to cause damage to crack meter body 1;

[0028] By the rotatable connection of the first rotating block 6 and the first rotating seat 7, the left end of the crack meter body 1 can rotate around the shaft, adapting to the slight angle change of the side slope soil body. By the rotation of the second rotating block 14 and the second rotating seat 15, the angle of the right end of the crack meter body 1 is self-adaptively adjusted, ensuring that the sensor axis is always parallel to the crack direction. The fixed plate 8 and the bottom plate 16 are inserted into the side slope rock-soil body through the evenly distributed inserting rods 13 at the lower end, forming a stable anchoring point. A set of protection assemblies are arranged on both sides between the fixed plate 8 and the bottom plate 16, forming a full-wrapped protection for the crack meter body 1, and the protection range covers the middle part of the sensor to the connecting points at both ends.

[0029] The mounting mechanism comprises two supporting blocks 2, each of which is connected with a supporting rod 3 at the middle of the upper end, so as to facilitate the fitting of the crack meter body 1 to the outer wall of the supporting rod 3, thereby improving the installation efficiency of the crack meter body 1. The crack meter body 1 is provided in a circular ring structure at both ends, and is inserted into the outer wall of the two supporting rods 3, respectively. The upper end of each of the two supporting blocks 2 is connected with the lower end of the crack meter body 1 on both sides. The outer wall of each of the two supporting rods 3 is fitted with a mounting ring 4, so as to facilitate the pressing of the crack meter body 1 onto the supporting blocks 2. The lower end of each of the two mounting rings 4 is in contact with the upper end of the crack meter body 1 on both sides. The two supporting rods 3 are provided in a threaded structure. The outer wall of the supporting rod 3 is threadedly connected with a mounting nut 5. The lower end of the mounting nut 5 is in contact with the upper end of the mounting ring 4.

[0030] The circular ring structure at both ends of the crack meter body 1 is in a clearance fit with the supporting rod 3. The crack meter body 1 can be quickly disassembled and assembled in cooperation with the mounting ring 4 and the mounting nut 5, thereby improving the efficiency of on-site operation. By tightening the mounting nut 5, it is ensured that the mounting nut 5 will not loosen in a vibrating environment.

[0031] The supporting plate 9 is connected with the screw rod 10 on one side of the upper end of the fixed plate 8, so as to facilitate the installation of the screw rod 10 and the sliding rod 11. The screw rod 10 is connected with the supporting plate 9 on one side, so as to adjust the position of the first rotating seat 7. One end of the screw rod 10 extends through the supporting plate 9 on one side. The sliding rod 11 is connected with the supporting plate 9 on one side. The sliding rod 11 is located on one side of the screw rod 10. The outer wall of the screw rod 10 and the outer wall of the sliding rod 11 are both slidingly connected with the moving block 12, thereby improving the stability of the first rotating seat 7. One of the moving blocks 12 is threadedly connected with the screw rod 10. The two moving blocks 12 are respectively connected with the middle of the two first rotating seats 7 on one side. The sliding block 18 is connected with the middle of the bottom plate 16 on both sides, so as to adjust the position of the bottom plate 16. When the crack becomes wider, the distance between the two ends of the crack meter body 1 is lengthened. The position of the bottom plate 16 or the fixed plate 8 is adjusted, and then the position of the bottom plate 16 is adjusted. The sliding block 18 slides in the sliding groove 19. The two sliding blocks 18 are respectively located in the two installation plates 17 on one side. The sliding groove 19 is provided in the two installation plates 17 on one side corresponding to the two sliding blocks 18, respectively, so as to ensure the stability of the movement of the bottom plate 16. The sliding block 18 is slidingly connected in the sliding groove 19. The cross-sectional shape of the sliding block 18 and the cross-sectional shape of the sliding groove 19 are both provided in an inverted convex structure.

[0032] The screw rod 10 can realize the precise displacement control of the first rotating seat 7, so as to meet the angle calibration requirement of the crack meter body 1 and the slope inclination. The sliding rod 11 is arranged in parallel with the screw rod 10. The sliding rod 11 is connected with the moving block 12, so as to avoid the single screw rod 10 from being deformed due to the force, thereby ensuring the stability of the adjustment process. The screw thread connection between the moving block 12 and the screw rod 10 is provided with a double-nut anti-loosening device, which is locked after adjustment, so as to prevent the displacement drift caused by long-term vibration.

[0033] The protection assembly comprises a supporting plate 20 capable of supporting the protection shell 26, the number of the supporting plate 20 is two groups, the upper end of the two supporting plates 20 is rotatably connected with a first connecting seat 21, the two first connecting seats 21 are rotatably connected with a first connecting block 22, one end of the two first connecting blocks 22 is connected with an electric telescopic rod 23, the angle position of the protection shell 26 can be adjusted, one end of the two electric telescopic rods 23 is connected with a second connecting block 24, the outer wall of the two second connecting blocks 24 is rotatably connected with a second connecting seat 25, the lower end of the two second connecting seats 25 is connected with the protection shell 26, one side of the protection shell 26 is connected with a sealing strip 27, the two protection shells 26 are symmetrically arranged, and then the two sealing strips 27 are in contact, so that the sealing performance between the two protection shells 26 is improved, the lower end of the protection shell 26 is in contact with one side of the upper end of the two supporting plates 20, and the lower part of one side of the protection shell 26 is rotatably connected with a supporting block 28, the protection shell 26 rotates around the supporting seat with the supporting block 28, and the two sides of the two supporting blocks 28 are connected with one side of the upper end of the two supporting plates 20 through the supporting seat respectively.

[0034] The electric telescopic rod 23 converts linear motion into rotary motion of the protection shell 26 through the four-bar linkage mechanism composed of the first connecting seat 21, the first connecting block 22 and the second connecting block 24, realizes 90-degree opening and closing, and the edge of the protection shell 26 adopts a silicone rubber sealing strip 27; when the crack meter body 1 is displaced due to crack expansion, the bottom plate 16 located on one side of the two mounting plates 17 can be driven to slide, the sliding block 18 located in the sliding groove 19 can slide, and the crack meter body 1 located in the protection shell 26 can move.

[0035] Working principle: during installation, the initial telescopic length of the crack meter body 1 is adjusted to match the estimated width of the crack, the fixed plate 8 and the bottom plate 16 are connected to the predetermined position above the slope through the evenly connected plug rods 13 at the lower end, the device is preliminarily fixed to the slope, then the ring structures at the two ends of the crack meter body 1 with telescopic characteristics are respectively sleeved on the outer walls of the supporting rods 3 on the two supporting blocks 2, the supporting rods 3 are provided in a threaded manner, the mounting ring 4 is sleeved thereon, the mounting nut 5 is tightened, the mounting ring 4 is pressed tightly to the supporting blocks 2 above, and the preliminary installation and fixation of the crack meter body 1 are completed.

[0036] If the inclination angle of the slope or the direction of the crack is inconsistent with the initial installation angle of the device, the angle position of the crack meter body 1 can be calibrated by rotating the lead screw 10; the lead screw 10 drives the moving block 12 connected with the lead screw 10 through threaded transmission characteristics to move along the axial direction of the lead screw 10 and the sliding rod 11, drives the first rotating seat 7 to slide on the upper end of the fixed plate 8, makes the first rotating seat 7 rotate around the first rotating block 6, synchronously adjusts the angle of the left end of the crack meter body 1, and cooperates with the rotating connection of the second rotating block 14 and the second rotating seat 15 to adjust the position and angle of the crack meter body 1 in all directions until the inclination angle of the slope is parallel, so as to ensure the monitoring accuracy.

[0037] The mounting mechanism of the lower end of one supporting block 2 is connected with the fixed plate 8 through the first rotating block 6 and the first rotating seat 7, and the mounting mechanism of the lower end of the other supporting block 2 is connected with the bottom plate 16 through the second rotating block 14 and the second rotating seat 15, so that the crack meter body 1 is stably mounted above the slope ground.

[0038] After the installation and angle calibration are completed, when the slope crack changes, the crack meter body 1 responds to the crack width change in real time by virtue of the telescopic structure, and the crack meter body 1 monitors the crack width data in real time as the crack gradually becomes larger;

[0039] The protection assembly plays a key protection role in the operation process of the device, the supporting plate 20 is used for supporting the protection shell 26, in the initial state, the two protection shells 26 are in an open and closed state, and the lower part on one side is rotatably connected with the supporting plate 20 through the supporting block 28, after the installation of the crack meter body 1 is completed, the two protection shells 26 are symmetrically arranged, the electric telescopic rod 23 is started, the transmission of the components such as the first connecting seat 21, the first connecting block 22, the second connecting block 24 and the second connecting seat 25 makes the two protection shells 26 rotate towards each other, until the sealing strips 27 on one side of the two protection shells 26 are in contact, a sealed space is formed, the crack meter body 1 is protected, and damage caused by rainwater, dust and other external factors is prevented, in the monitoring process, when the crack expands, the bottom plate 16 slides in the sliding groove 19 through the sliding block 18, drives the second rotating seat 15 to displace, at this time, the electric telescopic rod 23 is elongated, the protection shell 26 is pushed to rotate around the supporting block 28, and the sealing state is maintained.

[0040] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A crack monitoring device for a road side slope, comprising a crack meter body (1), characterized in that, The lower end of the crack meter body (1) is connected with two installation mechanisms, one of which is rotatably connected with a first rotating block (6) at the lower end, the outer wall of the first rotating block (6) is rotatably connected with a first rotating seat (7) at both sides, the lower end of the first rotating seat (7) is connected with a fixed plate (8), the lower end of the first rotating seat (7) is located on the upper end of the fixed plate (8), the lower end of the other installation mechanism is rotatably connected with a second rotating block (14), the outer wall of the second rotating block (14) is rotatably connected with a second rotating seat (15) at both sides, the lower end of the second rotating seat (15) is connected with a bottom plate (16), the bottom plate (16) is connected with an installation plate (17) at both sides, the lower end of the fixed plate (8) and the lower end of the bottom plate (16) are uniformly connected with a plug rod (13), the middle of one side of the fixed plate (8) and the corresponding one of the installation plates (17) and the middle of the other side of the fixed plate (8) and the corresponding other installation plate (17) are connected with a protection assembly, the protection assembly is used for protecting the crack meter body (1) from damage caused by falling stones or rain, the installation mechanism comprises a supporting block (2), the upper end of the supporting block (2) is connected with a supporting rod (3) at the middle, the crack meter body (1) is provided in a circular ring structure at both ends, the crack meter body (1) is inserted into the outer wall of the two supporting rods (3) at both ends, the upper end of the supporting block (2) is connected with the lower end of the crack meter body (1) at both sides, the outer wall of the supporting rod (3) is sleeved with an installation ring (4), the lower end of the installation ring (4) is in contact with the upper end of the crack meter body (1) at both sides, the supporting rod (3) is provided in a threaded manner, the outer wall of the supporting rod (3) is threadedly connected with an installation nut (5), and the lower end of the installation nut (5) is in contact with the upper end of the installation ring (4).

2. The road slope crack monitoring device according to claim 1, wherein The upper end of the fixed plate (8) is connected with a supporting plate (9) on one side, the supporting plate (9) is connected with a lead screw (10) on one side, the lead screw (10) extends through the supporting plate (9) on one side, the supporting plate (9) is connected with a sliding rod (11) on one side, and the sliding rod (11) is located on one side of the lead screw (10).

3. The apparatus for monitoring cracks in a road slope according to claim 2, wherein The outer wall of the lead screw (10) and the outer wall of the sliding rod (11) are slidably connected with a moving block (12), one of the moving blocks (12) is threadedly connected with the lead screw (10), and the two moving blocks (12) are connected with the two first rotating seats (7) at both sides, respectively.

4. The apparatus for monitoring cracks of a road slope according to claim 1, wherein The middle of both sides of the bottom plate (16) is connected with a sliding block (18), the two sliding blocks (18) are located on one side of the two installation plates (17) and slide, the two installation plates (17) are provided with a sliding groove (19) on one side corresponding to the two sliding blocks (18), respectively, and the two sliding blocks (18) are slidably connected in the two sliding grooves (19), respectively. The cross-sectional shape of the sliding block (18) and the cross-sectional shape of the sliding groove (19) are provided in an inverted convex structure.

5. The apparatus for monitoring cracks in a road slope according to claim 1, wherein Said guard assembly includes the supporting plate (20), the number of supporting plate (20) is two groups, two supporting plate (20) upper end one side rotationally connected with first connecting seat (21), two first connecting seat (21) between rotationally connected with first connecting block (22), two first connecting block (22) one end is connected with electric telescopic rod (23).

6. The apparatus for monitoring cracks in a road slope according to claim 5, wherein Two electric telescopic rod (23) one end is connected with second connecting block (24), two second connecting block (24) outer wall rotationally connected with second connecting seat (25), two second connecting seat (25) lower end is connected with protective shell (26), protective shell (26) one side is connected with sealing strip (27).

7. The apparatus for monitoring cracks in a road slope according to claim 6, wherein Protective shell (26) lower end and two supporting plate (20) upper end one side contact, protective shell (26) one side lower part rotationally connected with support block (28), two support block (28) both sides are connected with two supporting plate (20) upper end one side through support seat.

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