A multi-section free combination fully automatic deep displacement inclinometer

Abstract

The present invention relates to a multi-section free combination fully automatic deep displacement inclinometer, comprising a plurality of casings and a first joint and a second joint threadedly connected to both ends of the casings, and also comprising a transmission cable, an inclinometer sensor, an azimuth sensor and a data collector; the plurality of casings are connected by the first joint and the second joint, and the first joint and the second joint are universally rotatably connected; the transmission cable, the inclinometer sensor and the azimuth sensor are arranged on the inner wall of the casing; the data collector is arranged on the top of the inclinometer, connected to the transmission cable, and is used to collect data measured by each inclinometer sensor and azimuth sensor. By setting the inclinometer as a plurality of casings connected by universal rotation, the change of the casing inclination angle is not restricted, thereby ensuring the accuracy of the measurement. In addition, the length of the inclinometer and the casing can be changed to meet different monitoring needs. The entire device can realize real-time and automatic monitoring of the continuous displacement change of the geological layer, which provides great convenience for the monitoring of geological activities.

Description

Technical Field

[0001] The invention relates to the technical field of geological monitoring and exploration, and more specifically to a multi-section free combination full-automatic deep displacement inclinometer capable of automatically measuring continuous changes in geological deep horizontal displacement. Background Art

[0002] In engineering practice, scientific research and geological disaster monitoring, it is often necessary to monitor the displacement of rock and soil at a certain depth below the ground. However, since this part of the rock and soil is underground, it is often impossible to measure directly. Therefore, people generally use inclinometers to monitor the displacement within a certain depth range underground.

[0003] At present, there are generally two types of inclinometers, which are divided into mobile inclinometers and fixed inclinometers. Existing inclinometers are composed of inclinometer probes, readers, cables and inclinometer tubes. During measurement, the inclinometer tube is first buried inside the rock and soil body and used as a guide rail for the inclinometer. The fixed inclinometer places the inclinometer probe along the guide rail to a specified depth. When the rock and soil body deforms, the entire inclinometer tube deforms with the soil body. The inclinometer probe measures the inclination angle, and the data is transmitted to the reader by cable. The horizontal displacement increment of the measured soil body can be obtained by calculation. The measurement principle of the mobile inclinometer is the same as that of the fixed inclinometer. The difference is that the mobile inclinometer requires the surveyor to place the inclinometer probe into a predetermined depth, and then lift the cable section by section so that the inclinometer probe can measure the horizontal displacement increment within a certain depth range.

[0004] Both of the above two inclinometer methods have great disadvantages. Due to structural limitations, fixed inclinometers can generally only measure the displacement of one or several specific depths, and cannot fully reflect the displacement changes of underground rock and soil or underground structures within a specified depth range. Moreover, the monitoring accuracy is limited, the monitoring effect is not ideal, and it is difficult to reflect the actual deformation of the object. In addition, the mechanical structure of the inclinometer is complex and the manual operation is cumbersome. The operation process of the movable inclinometer is cumbersome and overly dependent on manual labor. Professionals are required to go to the site for full measurement every time, but due to the manual operation of the surveyors, the measurement results often have large errors. Moreover, each measurement requires the installation and operation of the inclinometer, and each depth position requires measurement and reading. The operation repetition rate is high and the efficiency is extremely low. In addition, for some field monitoring objects, due to the limitations of objective conditions, long-term on-site operations are not conducive to ensuring personal safety. For monitoring objects in remote areas, repeated long-distance transportation increases the monitoring cost in disguise. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a multi-section freely combined fully automatic deep displacement inclinometer with high accuracy, which can realize real-time and automatic monitoring of continuous displacement changes of geological layers, reduce manual operations, and change the length of the measuring device according to different needs to adapt to different geological environments and monitoring needs.

[0006] The technical solution of the present invention is: the present invention provides a multi-section free combination full-automatic deep displacement inclinometer, comprising multiple casings and a first joint and a second joint threadedly connected to both ends of the casings, characterized in that it also comprises a transmission cable, an inclinometer sensor, an azimuth sensor and a data collector; the multiple casings are connected through the first joint and the second joint, and the first joint and the second joint are universally rotatably connected; the transmission cable, the inclinometer sensor and the azimuth sensor are arranged on the inner wall of the casing; the data collector is arranged on the top of the inclinometer, connected to the transmission cable, and is used to collect data measured by each inclinometer sensor and azimuth sensor.

[0007] Furthermore, the first joint is a hollow circular tube, one end of which is provided with a thread and is threadedly connected to the sleeve, and the other end is provided with two corresponding trapezoidal bosses; a first bolt hole is provided on the boss; a rotating member is provided between the two bosses, and the rotating member is a hollow cylinder with four third bolt holes on the side, each of the third bolt holes is 90° apart, and the diameter of the third bolt hole is larger than the diameter of the first bolt hole; the boss is bolted to the rotating member.

[0008] Furthermore, the first joint is also provided with a sliding guide wheel, two corresponding elliptical holes and a baffle located in one of the two elliptical holes; the sliding guide wheel includes a torsion spring and a rotating shaft with rotating wheels at both ends; the rotating shaft passes through the two elliptical holes, the middle part is connected to the end of the torsion spring, and one end is abutted against the baffle.

[0009] Furthermore, two vertically corresponding fourth bolt holes are provided on the first joint.

[0010] Furthermore, it also includes a steel wire rope, which passes through the fourth bolt hole to connect the multiple sleeves into one.

[0011] Furthermore, the second joint is a hollow round tube, one end of which is provided with a thread and is threadedly connected to the sleeve, and the other end is provided with two rotating member connecting seats; the rotating member connecting seat is provided with a second bolt hole, and the diameter of the second bolt hole is equal to the diameter of the third bolt hole; the rotating member connecting seat is bolted to the rotating member.

[0012] Furthermore, fifth bolt holes are correspondingly arranged at the connection points between the first joint, the second joint and the sleeve.

[0013] Furthermore, it also includes a plurality of inclinometer tubes, wherein two groups of grooves corresponding to each other at 180 degrees are provided inside the inclinometer tubes; the casing is placed in the inclinometer tubes; and the rotating wheel of the sliding guide wheel abuts against the grooves.

[0014] The implementation of the multi-section free combination fully automatic deep displacement inclinometer of the present invention has the following beneficial effects: by setting the inclinometer as multiple casings, using two joints to connect each casing, universal rotation is achieved, and the casing inclination angle change is not restricted, thereby ensuring the accuracy of the measurement. In addition, the length of the inclinometer and the casing can be changed according to different needs to adapt to different geological environments and monitoring needs. After each casing is docked, the length will not change, and the connection between the casings is stable and reliable. There will be no change in length due to stretching or compression, which will cause changes in the parameters of the inclinometer calculation model. The hollow part of the casing can accommodate the transmission cable and the inclinometer sensor. After on-site installation, the wiring parts can be sealed with glue to protect the use of the inclinometer, making the use of the inclinometer more stable and safe. The entire device can realize real-time and automatic monitoring of the continuous displacement changes of the geological layer, reduce manual operations, improve detection accuracy, and has a wide range of applications, providing great convenience for engineering practice, scientific research, geological disaster monitoring and other activities. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0016] Figure 1 It is a schematic diagram of the structure of the casing and the joint of the multi-section free combination full-automatic deep displacement inclinometer of the present invention after being connected;

[0017] Figure 2 It is a cross-sectional view of the connection state of the first joint and the second joint of the multi-section free combination full-automatic deep displacement inclinometer of the present invention;

[0018] Figure 3 for Figure 2 Schematic diagram of the joint connection structure when rotated 180°;

[0019] Figure 4 It is the structural schematic diagram of the inclinometer tube;

[0020] Figure 5 This is a schematic diagram of the casing being installed in the inclinometer casing;

[0021] Figure 6 The figure is a schematic diagram of the overall structure of the multi-section freely combined fully automatic deep displacement inclinometer of the present invention. DETAILED DESCRIPTION

[0022] Figures 1 to 6A preferred embodiment of the multi-section free combination full-automatic deep displacement inclinometer of the present invention is shown, which includes multiple casings 1 and a first joint 2 and a second joint 3 threadedly connected to both ends of the casing 1, and also includes a transmission cable 4, an inclinometer sensor 5, an azimuth sensor 6 and a data collector 7; multiple casings 1 are connected by the first joint 2 and the second joint 3, and the first joint 2 and the second joint 3 are universally rotatably connected; the transmission cable 4, the inclinometer sensor 5 and the azimuth sensor 6 are arranged on the inner wall of the casing 1; the data collector 7 is arranged on the top of the inclinometer, connected to the transmission cable 4, and is used to collect data measured by each inclinometer sensor 5 and the azimuth sensor 6. The casing 1 is used to carry the transmission cable 4, the inclinometer sensor 5 and the azimuth sensor 6. In order to make the geological exploration data more accurate, the transmission cable 4, the inclinometer sensor 5 and the azimuth sensor 6 are arranged in each casing 1, and the geological movement is layered detected, which improves the accuracy of the detection result. In order to meet the monitoring depth requirements of different geological environments, casings 1 of different lengths are set, for example, the length of casing 1 is set to 0.5m, 1m or 2m, and is selected according to the requirements of layered detection. Both ends of casing 1 are provided with external threads, which are connected to the internal threads of the first joint 2 and the second joint 3. During geological movement, the direction of movement cannot be predicted, so the first joint 2 and the second joint 3 are set as universal rotation connections, so that no matter in which direction the geological layer moves, the casing 1 can rotate accordingly to ensure the accuracy of the detection results. Inclinometer sensor 5 and azimuth sensor 6 are respectively used to measure the inclination angle and azimuth change of casing 1, so as to calculate the three-dimensional coordinates of casing 1. Transmission cable 4 is used to transmit the data measured by inclinometer sensor 5 and azimuth sensor 6 to data collector 7 on the ground, and data collector 7 then uploads the obtained data to the background server or terminal.

[0023] In this embodiment, the first joint 2 is a hollow round tube, one end of which is provided with a thread, which is threadedly connected with the sleeve 1, and the other end is provided with two corresponding trapezoidal bosses 21; the boss 21 is provided with a first bolt hole 10; a rotating member 22 is provided between the two bosses 21, and the rotating member 22 is a hollow cylinder with four third bolt holes 30 on the side, each of which is 90° apart, and the diameter of the third bolt hole 30 is larger than the diameter of the first bolt hole 10; the boss 21 is bolted to the rotating member 22. In this embodiment, the two ends of the sleeve 1 are external threads, and one side of the first joint 2 is internal threads, and the two are threadedly connected. Of course, the two ends of the sleeve 1 can also be set as internal threads and the joint can be set as external threads, which also belongs to the design concept of the present invention. The other end of the first joint 2 is a boss 21 with a first bolt hole 10, which is used to connect with the rotating member 22. The outer diameter of the rotating member 22 is slightly smaller than the inner diameter of the first joint 2, so it can be movably connected with the boss 21 and rotate flexibly. The middle of the rotating member 22 is hollow, so that the transmission cable 4 can pass through it and connect with each other. A third bolt hole 30 is provided around each of the three parts, which are respectively connected with the first bolt hole 10 of the first joint 2 and the second bolt hole 20 of the second joint 3 described below by bolts. The first joint 2 and the second joint 3 are connected as a whole through the rotating member 22. In order to allow the rotating member 22 to rotate 360° without restriction, the diameter of the third bolt hole 30 is set to be slightly larger than the diameter of the first bolt hole 10, so that the rotating member 22 is movably connected with the first joint 2, and will neither slide off the connecting bolts nor be restricted by the connecting bolts, so that the movement of the casing 1 can be completely consistent with the geological changes, and the accuracy of the detection results is guaranteed.

[0024] In this embodiment, the first joint 2 is also provided with a sliding guide wheel 23, two corresponding elliptical holes 24 and a baffle 25 located in one of the two elliptical holes 24; the sliding guide wheel 23 includes a torsion spring 231 and a rotating shaft 233 with rotating wheels 232 at both ends; the rotating shaft 233 passes through the two elliptical holes 24, the middle part is connected to the end of the torsion spring 231, and one end abuts against the baffle 25. The sliding guide wheel 23 is used in conjunction with the inclinometer tube 9 described below to ensure that the axis of the casing 1 does not deviate. The sliding guide wheel 23 is composed of a torsion spring 231 that provides power, a rotating shaft 233 that abuts against the inclinometer tube 9 described below, and a rotating wheel 232 on the rotating shaft 233. The torsion spring 231 is in a twisted state when installed, and the baffle 25 is used to prevent the torsion spring 231 from rebounding.

[0025] The present embodiment also includes a steel wire rope, and two fourth bolt holes 40 corresponding vertically are provided on the first joint 2. The steel wire rope passes through the fourth bolt holes 40 to connect multiple casings 1 into one. In order to make installation and recycling more convenient, the present invention has two fourth bolt holes 40 corresponding vertically opened on the side of the first joint 2. During installation, the steel wire rope can be passed through the bolt holes, and then the bolts are driven in to fix the steel wire rope, that is, the casings 1 are connected into one, which is convenient for operation during installation. If a casing or the transmission cable and sensor inside the casing are damaged during use, the steel wire rope can be pulled to pull the entire inclinometer to the ground for repair or replacement. If the inclinometer is no longer used and needs to be recycled, the steel wire rope can also be pulled for recycling, which provides convenience for multiple links.

[0026] In this embodiment, the second joint 3 is a hollow round tube, one end of which is provided with a thread, which is threadedly connected with the sleeve 1, and the other end is provided with two rotating member connecting seats 31; the rotating member connecting seat 31 is provided with a second bolt hole 20, and the diameter of the second bolt hole 20 is equal to the diameter of the third bolt hole 30; the rotating member connecting seat 31 is bolted to the rotating member 22. In this embodiment, the two ends of the sleeve 1 are external threads, and one side of the second joint 3 is internal threads, and the two are threadedly connected. Of course, the two ends of the sleeve 1 can also be set as internal threads and the joint can be set as external threads, which also belongs to the design concept of the present invention. The other end of the second joint 3 is a rotating member connecting seat 31 with a second bolt hole 20, which is used to connect with the rotating member 22. The outer diameter of the rotating member 22 is slightly smaller than the inner diameter of the second joint 3, ensuring that the rotating member 22 can rotate 360°. The diameter of the second bolt hole 20 is equal to the diameter of the third bolt hole 30, and the bolt fixes the rotating member 22 to the rotating member connecting seat 31. Therefore, relatively speaking, only one of the first joint 2 and the second joint 3 can rotate 360° relative to the other, and the other is restricted in rotation, preventing the rotation of one sleeve 1 from driving the rotation of another sleeve 1, resulting in inaccurate detection results.

[0027] In this embodiment, the fifth bolt hole 50 is correspondingly provided at the connection between the first joint 2, the second joint 3 and the sleeve 1. The fifth bolt hole 50 is used to drive bolts into the side of the connection between the first joint 2, the second joint 3 and the sleeve 1 to prevent the threaded connection between the sleeve and the joint from loosening, causing different lengths of the measuring units, thereby affecting the measurement results.

[0028] The present embodiment also includes a plurality of inclinometer tubes 8, and two groups of grooves 81 corresponding to each other at 180° are provided inside the inclinometer tubes 8; the casing 1 is placed inside the inclinometer tubes 8; and the rotating wheel 232 of the sliding guide wheel 23 abuts against the grooves 81. The width of the rotating shaft 233 is greater than the diameter between the two grooves 81 in the inclinometer tube 8. When the casing 1 is installed in the inclinometer tube 8, the rotating shaft 233 is rotated to a position smaller than the diameter of the groove 81, and the casing 1 is placed in the inclinometer tube 8. The rotating shaft 233 is loosened, and due to the rebound effect of the torsion spring 231, the rotating wheels 232 at both ends of the rotating shaft 233 abut against the grooves 81, so that the axis of the casing 1 coincides with the axis of the inclinometer tube 8, so that the casing 1 and the inclinometer tube 8 have completely consistent in inclination direction and angle.

[0029] When using the multi-section free combination full-automatic deep displacement inclinometer of the present invention, first put the casing into the inclinometer tube, then connect the head and tail joints of the casing with other casings respectively, drive bolts into the fifth bolt hole to fix it, and at the same time pass the transmission cable through the joint to connect them as a whole, then pass the wire rope through the fourth bolt hole, connect the casings as a whole, select different numbers and lengths of casings according to the monitoring requirements of different sides, and drive them into the ground after the connection is completed. A data collector is set on the ground and connected to the transmission cable to collect the measured information.

[0030] The multi-section free combination fully automatic deep displacement inclinometer of the present invention realizes universal rotation by setting the inclinometer as multiple casings and connecting each casing with two joints. The change of the casing inclination angle is not restricted, which ensures the accuracy of the measurement. In addition, the length of the inclinometer and the casing can be changed according to different needs to adapt to different geological environments and monitoring needs. After each casing is docked, the length will not change, and the connection between the casings is stable and reliable. There will be no change in length due to stretching or compression, which will cause changes in the parameters of the inclinometer calculation model. The hollow part of the casing can accommodate the transmission cable and the inclinometer sensor. After on-site installation, the wiring parts can be sealed with glue to protect the use of the inclinometer, making the use of the inclinometer more stable and safe. The entire device can realize real-time and automatic monitoring of the continuous displacement changes of the geological layer, reduce manual operations, improve detection accuracy, and has a wide range of applications, providing great convenience for activities such as engineering practice, scientific research, and geological disaster monitoring.

[0031] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, many changes can be made in the specific implementation methods and application scopes based on the ideas of the present invention. As long as these changes do not deviate from the concept of the present invention, they all belong to the protection scope of the present invention.

Claims

1. A multi-section free combination fully automatic deep displacement inclinometer, comprising a plurality of casings (1) and a first joint (2) and a second joint (3) threadedly connected to both ends of the casings (1), characterized in that: It also comprises a transmission cable (4), an inclinometer sensor (5), an azimuth sensor (6) and a data collector (7); a plurality of the casings (1) are connected via the first joint (2) and the second joint (3), and the first joint (2) and the second joint (3) are universally rotatably connected; the transmission cable (4), the inclinometer sensor (5) and the azimuth sensor (6) are arranged on the inner wall of the casing (1); the data collector (7) is arranged on the top of the inclinometer and is connected to the transmission cable (4) and is used to collect data measured by each inclinometer sensor (5) and azimuth sensor (6); The first joint (2) is a hollow circular tube, one end of which is provided with a thread and is threadedly connected to the sleeve (1), and the other end of which is provided with two corresponding trapezoidal bosses (21); the bosses (21) are provided with first bolt holes (10); a rotating member (22) is provided between the two bosses (21), and the rotating member (22) is a hollow cylinder with four third bolt holes (30) provided on the side surface, each of the third bolt holes (30) is 90 degrees apart, and the diameter of the third bolt hole (30) is larger than the diameter of the first bolt hole (10); the boss (21) is bolted to the rotating member (22); The second joint (3) is a hollow circular tube, one end of which is provided with a thread and is threadably connected to the sleeve (1), and the other end of which is provided with two rotating member connecting seats (31); the rotating member connecting seat (31) is provided with a second bolt hole (20), and the diameter of the second bolt hole (20) is equal to the diameter of the third bolt hole (30); the rotating member connecting seat (31) is bolted to the rotating member (22); The connection points of the first joint (2), the second joint (3) and the sleeve (1) are each provided with a fifth bolt hole (50); The invention also comprises a plurality of inclinometer tubes (8), wherein two groups of grooves (81) are provided inside the inclinometer tubes (8) and are 180° corresponding to each other; the casing (1) is placed inside the inclinometer tubes (8); the first joint (2) is also provided with a sliding guide wheel (23), two corresponding elliptical holes (24) and a baffle (25) located in one of the two elliptical holes (24); the sliding guide wheel (23) comprises a torsion spring (231) and a rotating shaft (233) with rotating wheels (232) at both ends; the rotating shaft (233) passes through the two elliptical holes (24), the middle part of the rotating shaft (233) is connected to the end of the torsion spring (231), and one end abuts against the baffle (25); the rotating wheel (232) of the sliding guide wheel (23) abuts against the groove (81).

2. The multi-section free combination fully automatic deep displacement inclinometer according to claim 1 is characterized in that: The first joint (2) is also provided with two vertically corresponding fourth bolt holes (40).

3. The multi-section free combination fully automatic deep displacement inclinometer according to claim 2 is characterized in that: It also includes a steel wire rope, which passes through the fourth bolt hole (40) to connect the multiple sleeves (1) into one.

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