CN220932036U

CN220932036U - Fixed vertical inclinometer

Info

Publication number: CN220932036U
Application number: CN202322706593.0U
Authority: CN
Inventors: 朱明超; 李丛峰; 关烨; 常星宇; 杜萍
Original assignee: Beijing Soil Instrument Co ltd
Current assignee: Beijing Soil Instrument Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-10
Anticipated expiration: 2033-10-10

Abstract

The utility model provides a fixed vertical inclinometer, which comprises a sealing top cover, a sealing bottom cover, a detection control terminal, a bearing steel cable, a middle pulley block, a communication cable, an inclinometer sensor, a connecting branch pipe, a hanging device, a universal joint and a top pulley block, wherein the detection control terminal is independently arranged at the outer side of the fixed vertical inclinometer and is in communication connection with the inner side of the sealing top cover; the sealing top cover and the sealing bottom cover are symmetrically and oppositely arranged. The temperature sensors are arranged in the inclinometer sensors and are used for monitoring the ambient temperature; the universal joint and the rotary joint adapt to bending deformation of the inclinometer pipe and irregular distortion of the guide groove; the detection control terminal is matched with dynamic data acquisition equipment and measures the inclination angle change or the horizontal displacement of any point in real time, such as measuring the change rule of the structure swing period, the inclination or the horizontal displacement caused by wind disturbance or temperature change of a cable-stayed bridge tower and a high-rise building.

Description

Fixed vertical inclinometer

Technical Field

The utility model belongs to the technical field of geological deformation monitoring, and particularly relates to a fixed vertical inclinometer.

Background

Inclinometer systems are used for long-term monitoring of layered horizontal displacement deformations of dams, foundation walls, slopes, retaining walls and similar buildings, or for measuring inclination changes of buildings or structures when installed alone. Geotechnical engineering deformation monitoring, especially foundation pit engineering, slope engineering, filling engineering, roadbed and earth and rockfill dam engineering monitoring, is the essential technical means for mastering the deformation characteristics of the geologic body, researching the deformation rule and development trend of the geologic body and developing engineering safety prediction and early warning. At present, the geological body deformation monitoring content in engineering mainly comprises two aspects of horizontal deformation and vertical deformation.

In the abroad, in the fifty years of the last century, geotechnical engineering such as earth and rockfill dams, roadbeds, slopes, tunnels and the like is monitored in situ by using an inclinometer. The inclinometer produced in China from the eighties is used for in-situ monitoring of some important geotechnical engineering, and good effects are obtained. Some related research institutions have subsequently developed intelligent inclinometers such as resistance strain, accelerometer, and electronic meter type. The various inclinometers are widely applied to the fields of water conservancy and hydropower, mineral metallurgy, traffic and urban geotechnical engineering, and play an important role in guaranteeing geotechnical engineering design, construction and use safety. In addition, the Chinese patent publication number is CN 215064469U, the invention creative name is a geological body internal horizontal and vertical deformation monitoring system, which comprises a pipe and a plurality of groups of horizontal and vertical displacement detection mechanisms, wherein each horizontal and vertical displacement detection mechanism comprises an electromagnetic sedimentation instrument and a fixed inclinometer, a transmission rod is arranged at the top of the topmost fixed inclinometer, a screw rod is arranged at the top of the transmission rod, a top cover is arranged at the top of the pipe, a lower connecting piece is arranged at the bottom end of the fixed inclinometer, a first upper connecting piece is arranged at the top end of the fixed inclinometer, a second upper connecting piece is arranged at the top end of the electromagnetic sedimentation instrument, a threaded section is arranged at the lower part of the electromagnetic sedimentation instrument, the lower connecting piece is in buckling connection with the second upper connecting piece, the first upper connecting piece is in threaded connection with the threaded section, each electromagnetic sedimentation instrument is connected with the fixed inclinometer, and the data acquisition device is connected with a monitoring center.

However, the conventional inclinometer has a problem that deformation of the interior or the cross section of a building or a structure cannot be continuously monitored, and the conventional inclinometer is inconvenient to use in combination according to different measurement depths.

In view of this, it is necessary to provide a stationary vertical inclinometer.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a fixed vertical inclinometer, which aims to solve the problems that the prior inclinometer can not continuously monitor deformation conditions of the interior or the section of a building or a structure and is inconvenient to use in combination according to different measurement depths.

The fixed vertical inclinometer comprises a sealing top cover, a sealing bottom cover, a detection control terminal, a bearing steel cable, an intermediate pulley block, a communication cable, an inclinometer sensor, a connecting branch pipe, a suspension device, a universal joint and a top pulley block, wherein the detection control terminal is independently arranged on the outer side of the fixed vertical inclinometer and is in communication connection with the inner phase of the sealing top cover; the sealing top cover and the sealing bottom cover are symmetrically and oppositely arranged; the bearing steel cables are respectively riveted at the outer side positions between the sealing top cover and the sealing bottom cover; the communication cable is positioned in the bearing steel cable and is connected with the sealing top cover and the sealing bottom cover through screws; the sensor of the inclinometer is connected between the connecting branch pipe and the middle pulley block in a threaded manner; the connecting branch pipe is connected with the upper part of the top pulley block in a threaded manner; the suspension device is connected with the wall body measured by the fixed vertical inclinometer through bolts; the universal joint is connected with the inner sides of the middle pulley block and the top pulley block in a shaft way; the universal joint is also connected with the lower part of the connecting branch pipe in a shaft way.

Preferably, the middle pulley block further comprises a pulley connecting plate I, a sensor fixing bolt, a tensioning wheel I and a fixing wheel I, wherein the sensor fixing bolt is in threaded connection with the lower part of the pulley connecting plate I; the first fixed wheel is connected to the right upper side of the inner part of the first pulley connecting plate through a bolt; the tensioning wheel I is connected to the left upper side of the pulley connecting plate I in a shaft mode.

Preferably, the lower part of the universal joint is a rotary joint, and the upper part of the universal joint is a wedge-shaped joint.

Preferably, the top pulley block further comprises a pulley connecting plate II, a fixed pulley II and a tensioning pulley II, wherein the fixed pulley II is connected to the right upper side of the inside of the pulley connecting plate II through bolts; the tensioning wheel II is connected to the left upper side of the pulley connecting plate II in a shaft mode.

Preferably, the upper screw of the inclinometer sensor is connected with a connecting convex plate, and a threaded hole is formed in the middle position of the lower part of the inclinometer sensor.

Preferably, the left side and the right side of the upper part of the connecting convex plate are provided with mounting through holes, and the connecting convex plate is connected with the middle pulley block and the top pulley block through bolts.

Preferably, the threaded holes are connected with the connecting branch pipes.

Preferably, the inclinometer sensor has "+" and "-" marks near one end of the communication cable.

Preferably, the two types of wedge-shaped connectors are respectively single-end connection and double-end connection, the single-end connection wedge-shaped connector is usually arranged on the sensor, the pulley block and the pipe orifice fixing assembly, and the double-end connector is used for lengthening the connecting pipe.

Preferably, the wedge-shaped joint consists of a connecting screw rod, a wedge-shaped expansion pipe, a locking nut, a flat pad and an lengthening connecting screw rod. A wedge-shaped joint which is qualified in connection can bear the axial tensile force of not less than 500 kg.

Preferably, the communication cable is a standard 8-core cable and is used for power supply of the sensor, and output of the inclination signal and the temperature signal.

Preferably, the inclinometer sensor is a sensor with the model number of BSIL-C12A or BSIL-C12B; and temperature sensors are arranged in the inclinometer sensors and are used for monitoring the ambient temperature.

Compared with the prior art, the utility model has the beneficial effects that:

The sensor of the inclinometer is provided with "+" and "-" marks at one end close to the communication cable, and when the sensor is placed in a horizontal state, under the condition that the cable connection is correct and the sensor is placed horizontally, the output reading is close to 0;

Temperature sensors are arranged in the inclinometer sensors and used for monitoring the ambient temperature; the universal joint and the rotary joint are used for adapting to the bending deformation of the inclinometer pipe and the irregular distortion of the guide groove;

The detection control terminal is matched with dynamic data acquisition equipment, and can continuously and real-timely measure the inclination angle change or horizontal displacement of any point, such as the change rule of structure swing period, inclination or horizontal displacement caused by wind disturbance or temperature change of cable-stayed bridge towers and high-rise buildings.

Drawings

Fig. 1 is a schematic diagram of an application state structure of the present utility model.

Fig. 2 is a schematic diagram of an application state structure of the present utility model.

Fig. 3 is a schematic structural view of the intermediate pulley block of the present utility model.

Fig. 4 is a schematic structural view of the top pulley block of the present utility model.

FIG. 5 is a schematic view of a portion of the inclinometer sensor of the present utility model.

In the figure:

1. Sealing the top cover; 2. sealing the bottom cover; 3. detecting a control terminal; 4. a load-bearing steel cable; 5. a middle pulley block; 51. the pulley is connected with the first plate; 52. a sensor fixing bolt; 53. a tensioning wheel I; 54. a first fixed wheel; 6. a communication cable; 7. inclinometer sensors; 71. connecting convex plates; 72. a threaded hole; 8. a connecting branch pipe; 9. a suspension device; 10. a universal joint; 101. a rotary joint; 102. a wedge joint 1; 11. a top pulley block; 111. a pulley connecting plate II; 112. a second fixed wheel; 113. and a tensioning wheel II.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

Examples:

As shown in fig. 1 to 2, the utility model provides a fixed vertical inclinometer, which comprises a sealing top cover 1, a sealing bottom cover 2, a detection control terminal 3, a bearing steel cable 4, an intermediate pulley block 5, a communication cable 6, an inclinometer sensor 7, a connecting branch pipe 8, a suspension device 9, a universal joint 10 and a top pulley block 11, wherein the detection control terminal 3 is independently arranged on the outer side of the fixed vertical inclinometer and is in communication connection with the inner side of the sealing top cover 1; the sealing top cover 1 and the sealing bottom cover 2 are symmetrically and oppositely arranged; the bearing steel cables 4 are respectively riveted at the outer side positions between the sealing top cover 1 and the sealing bottom cover 2; the communication cable 6 is positioned in the bearing steel cable 4 and is connected with the sealing top cover 1 and the sealing bottom cover 2 through screws; the inclinometer sensor 7 is connected between the connecting branch pipe 8 and the middle pulley block 5 in a threaded manner; the connecting branch pipe 8 is connected with the upper part of the top pulley block 11 in a threaded manner; the hanging device 9 is connected with the wall body measured by the fixed vertical inclinometer through bolts; the universal joint 10 is connected with the inner sides of the middle pulley block 5 and the top pulley block 11 in a shaft way; the universal joint 10 is also connected with the lower part of the connecting branch pipe 8 in a shaft way.

As shown in fig. 3, in the foregoing embodiment, specifically, the intermediate pulley block 5 further includes a pulley connecting plate one 51, a sensor fixing bolt 52, a tensioning wheel one 53 and a fixing wheel one 54, where the sensor fixing bolt 52 is screwed on a lower portion of the pulley connecting plate one 51; the first fixed wheel 54 is connected to the right upper side of the first pulley connecting plate 51 through bolts; the tensioning wheel I53 is connected to the left upper side of the pulley connecting plate I51 in a shaft way; the lower part of the universal joint 10 is a rotary joint 101, and the upper part of the universal joint 10 is a wedge joint 102.

As shown in fig. 4, in the above embodiment, specifically, the top pulley block 11 further includes a second pulley connecting plate 111, a second fixed pulley 112 and a second tensioning pulley 113, where the second fixed pulley 112 is bolted to the inner upper right side of the second pulley connecting plate 111; the tensioning wheel II 113 is connected to the left upper side of the pulley connecting plate II 111 in a shaft mode.

As shown in fig. 5, in the above embodiment, specifically, the upper portion of the inclinometer sensor 7 is connected with a connecting convex plate 71 by a screw, and a threaded hole 72 is formed in the middle position of the lower portion of the inclinometer sensor 7; mounting through holes are formed in the left side and the right side of the upper part of the connecting convex plate 71, and the connecting convex plate 71 is connected with the middle pulley block 5 and the top pulley block 11 through bolts; the threaded holes 72 are connected with the connecting branch pipes 8.

In the above embodiment, specifically, the end of the inclinometer sensor 7 near the communication cable 6 has "+" and "-" marks; the two types of wedge-shaped connectors 102 are respectively single-end connection and double-end connection, wherein the single-end connection wedge-shaped connectors are usually arranged on the sensor, the pulley block and the pipe orifice fixing assembly, and the double-end connectors are used for lengthening the connecting pipe; the wedge-shaped joint 102 consists of a connecting screw rod, a wedge-shaped expansion pipe, a locking nut, a flat pad and an lengthening connecting screw rod. A wedge-shaped joint which is qualified in connection can bear the axial tensile force of not less than 500 kg.

In the above embodiment, the communication cable 6 is a standard 8-core cable, and is used for power supply, inclination signal and temperature signal output of the sensor.

In the above embodiment, specifically, the inclinometer sensor 7 is a sensor of model BSIL-C12A or model BSIL-C12B; the inclinometer sensors 7 are internally provided with temperature sensors for monitoring the ambient temperature.

The working process of the utility model is as follows: the installation direction of all inclinometer sensors 7 must be consistent; the direction of the first 54 and second 112 fixed wheels of all intermediate and top pulley blocks 5, 11 must be identical and the direction of the fixed wheels must be identical to the intended tilting direction of the inclinometer pipes to keep the majority of the lateral pressure of the system acting on one side of the fixed wheels; the serial number, the installation depth and the measuring point distance of the inclinometer sensor 7 must be accurately recorded; the assembled inclinometer system must be freely suspended in the inclinometer pipe, i.e., stressed by the top hanger rather than by the bottom pulley or cable; if the bottom stress phenomenon exists, the connection length between the top hanging piece and the top pulley should be adjusted, and the distance between each measuring point is readjusted if necessary; the safety rope after installation should be in a loose state, and the rest part should be fixed outside the pipe orifice rather than being placed in the pipe orifice.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The fixed vertical inclinometer is characterized by comprising a sealing top cover (1), a sealing bottom cover (2), a detection control terminal (3), a bearing steel cable (4), a middle pulley block (5), a communication cable (6), an inclinometer sensor (7), a connecting branch pipe (8), a hanging device (9), a universal joint (10) and a top pulley block (11), wherein the detection control terminal (3) is independently arranged on the outer side of the fixed vertical inclinometer and is in communication connection with the inner phase of the sealing top cover (1); the sealing top cover (1) and the sealing bottom cover (2) are symmetrically and oppositely arranged; the bearing steel cable (4) is respectively riveted at the outer side position between the sealing top cover (1) and the sealing bottom cover (2); the communication cable (6) is positioned in the bearing steel cable (4) and is connected with the sealing top cover (1) and the sealing bottom cover (2) through screws; the inclinometer sensor (7) is connected between the connecting branch pipe (8) and the middle pulley block (5) in a threaded manner; the connecting branch pipe (8) is connected with the upper part of the top pulley block (11) in a threaded manner; the suspension device (9) is connected with the wall body measured by the fixed vertical inclinometer through bolts; the universal joint (10) is connected with the inner sides of the middle pulley block (5) and the top pulley block (11) in a shaft way; the universal joint (10) is also connected with the lower part of the connecting branch pipe (8) in a shaft way.

2. The fixed vertical inclinometer of claim 1, wherein the intermediate pulley block (5) further comprises a pulley connecting plate one (51), a sensor fixing bolt (52), a tensioning wheel one (53) and a fixing wheel one (54), and the sensor fixing bolt (52) is in threaded connection with the lower part of the pulley connecting plate one (51); the first fixed wheel (54) is connected to the right upper side of the inside of the first pulley connecting plate (51) through bolts; the tensioning wheel I (53) is connected with the left upper side of the pulley connecting plate I (51) in a shaft mode.

3. The fixed vertical inclinometer of claim 1, wherein the lower part of the universal joint (10) is a rotary joint (101), and the upper part of the universal joint (10) is a wedge joint (102).

4. The fixed vertical inclinometer of claim 1, wherein the top pulley block (11) further comprises a pulley connecting plate two (111), a fixed pulley two (112) and a tensioning pulley two (113), and the fixed pulley two (112) is connected to the inner right upper side of the pulley connecting plate two (111) through bolts; the tensioning wheel II (113) is connected to the left upper side of the pulley connecting plate II (111) in a shaft mode.

5. The fixed vertical inclinometer of claim 1, wherein the upper screw of the inclinometer sensor (7) is connected with a connecting convex plate (71), and a threaded hole (72) is formed in the middle position of the lower part of the inclinometer sensor (7).

6. The fixed vertical inclinometer of claim 5, wherein the left and right sides of the upper part of the connecting convex plate (71) are provided with mounting through holes, and the connecting convex plate (71) is connected with the middle pulley block (5) and the top pulley block (11) through bolts.

7. The stationary vertical inclinometer of claim 5, wherein the threaded hole (72) is connected to the connecting branch pipe (8); the end of the inclinometer sensor (7) close to the communication cable (6) is provided with a "+" mark and a "-" mark.

8. A stationary vertical inclinometer according to claim 3, characterized in that the wedge joint (102) consists of a connecting screw, a wedge expander, a lock nut, a flat pad and an elongated connecting screw, and that a wedge joint that is acceptable in connection can withstand an axial tension of not less than 500 kg.

9. A stationary vertical inclinometer according to claim 3, characterized in that the wedge joint (102) has two types, single-ended and double-ended.

10. The stationary vertical inclinometer according to claim 1, characterized in that the communication cable (6) is a standard 4-core cable for the power supply of the sensor, the output of the inclination signal and the temperature signal.