CN111025287A - Shield constructs construction tunnel section of jurisdiction defect detection device behind one's back - Google Patents
Shield constructs construction tunnel section of jurisdiction defect detection device behind one's back Download PDFInfo
- Publication number
- CN111025287A CN111025287A CN201911260187.8A CN201911260187A CN111025287A CN 111025287 A CN111025287 A CN 111025287A CN 201911260187 A CN201911260187 A CN 201911260187A CN 111025287 A CN111025287 A CN 111025287A
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- CN
- China
- Prior art keywords
- shell
- main arm
- shield construction
- detecting
- construction tunnel
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/20—Resilient mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
Abstract
The invention discloses a device for detecting defects on the back of a duct piece of a shield construction tunnel, which solves the problems of low efficiency and unsuitability for shield construction environment with narrow tunnel section in the prior art, can intelligently adjust the detection height and angle, has small volume, is suitable for the specificity of narrow tunnel section in shield construction, can stably run along a steel rail at a constant speed, and saves manpower and financial resources. The technical scheme is as follows: the device comprises a frame, wherein the upper part of the frame is connected with a main arm through a rotary telescopic device, the main arm is connected with a clamping device through a sliding assembly, and a shell for bearing a radar antenna is placed in the clamping device; the device comprises a shell, a distance sensor, a humidity sensor, a sensor control module and a control module, wherein a guide plate is arranged on one side of the shell, and the surface of the guide plate is provided with the distance sensor and the humidity sensor; the other side of the shell is provided with an auxiliary wheel, and the inside of the shell is provided with a dynamic adjusting mechanism, so that the radar antenna and the surface of the duct piece are kept in a close-fitting state.
Description
Technical Field
The invention relates to the field of shield tunnel monitoring, in particular to a device for detecting defects on the back of a segment of a shield tunnel in shield construction.
Background
At present, shield construction is increasingly adopted due to the advantages of high tunneling speed, low construction labor intensity, no influence on ground traffic facilities and the like. The geological radar is widely applied to tunnel detection due to the advantages of high resolution and low cost.
The inventor finds that the radar detection of the defects at the back of the shield construction tunnel segment has two main modes: the first is a manual lifting mode, which has large physical consumption on workers and low working efficiency and is not suitable for tunnels with longer length; the second mode is to build an aerial platform or adopt a special aerial work vehicle, and the method has high danger, and due to the particularity of shield construction, the section of the tunnel is narrow, so that the tunnel is not suitable for large machinery to pass through, and in addition, the method is also unreasonable in economy.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the device for detecting the defects at the back of the duct piece of the shield construction tunnel, which can intelligently adjust the detection height and angle, has smaller volume, is suitable for the specificity of narrower section of the shield construction tunnel, can stably run along a steel rail at a constant speed, and saves manpower and financial resources.
The invention adopts the following technical scheme:
a device for detecting defects on the back of a duct piece of a shield construction tunnel comprises a frame, wherein the upper part of the frame is connected with a main arm through a rotary telescopic device, the main arm is connected with a clamping device through a sliding assembly, and a shell for bearing a radar antenna is placed in the clamping device;
the device comprises a shell, a distance sensor, a humidity sensor, a sensor control module and a control module, wherein a guide plate is arranged on one side of the shell, and the surface of the guide plate is provided with the distance sensor and the humidity sensor; the other side of the shell is provided with an auxiliary wheel, and the inside of the shell is provided with a dynamic adjusting mechanism, so that the radar antenna and the surface of the duct piece are kept in a close-fitting state.
Further, the dynamic adjusting mechanism comprises a plurality of springs, the springs are uniformly distributed inside the shell, and a supporting plate is connected above the springs.
Further, the supporting plate is a non-metal plate.
Further, the longitudinal section of the guide plate is arc-shaped.
Furthermore, the auxiliary wheel is connected with a first driving device, and the first driving device is provided with a speed sensor.
Furthermore, the bottom of the frame is provided with a rail wheel used for being matched with a steel rail, the rail wheel is provided with a plurality of distance measuring sensors, and a damping device is arranged above the rail wheel.
Furthermore, the rotary telescopic device comprises a rotary motor and a plurality of telescopic rods arranged along the circumferential direction of the main arm, and the telescopic rods are respectively connected with the main arm and the frame in a rotary manner; the rotating motor is connected with the main arm through a gear and connected with the distance sensor, and the rotating motor drives the main arm to rotate so as to change an included angle between the rotating motor and the duct piece.
Furthermore, the sliding assembly comprises a sliding block sleeved on the outer side of the main arm and a telescopic rod connected between the sliding block and the clamping device, and two ends of the sliding block are connected with the inside of the main arm through springs respectively.
Furthermore, an alarm device is arranged on the frame, and the humidity sensor is connected with the alarm device and transmits signals to the alarm device.
Furthermore, the clamping device comprises two symmetrically-arranged clamping plates which are connected through an elastic mechanism.
Compared with the prior art, the invention has the beneficial effects that:
(1) the distance sensor intelligently controls the rotation angle of the main arm by detecting the distance between the shell and the surface of the duct piece, and can be manually adjusted when the angle required to be adjusted is too large; the mode of manually adjusting a larger angle and intelligently adjusting a smaller angle enables the device to more accurately detect the tunnel surfaces at different angles; the water seepage section of the duct piece can be detected through the humidity sensor, and when water seeps from the surface of the duct piece, the device gives an alarm to remind workers to record the abnormal water seepage area;
(2) according to the invention, the auxiliary wheel arranged behind the shell enables the advancing speed of the antenna on the surface of the duct piece to be the same as the speed of the vehicle body, so that the phenomenon that the whole device is influenced by stability and is laterally turned due to the fact that the antenna is not consistent with the speed of the vehicle body due to friction is avoided;
(3) according to the invention, through double adjustment of the dynamic adjusting mechanism and the sliding assembly, the antenna can better adapt to the uneven tunnel surface, and the antenna is ensured to be always attached to the tunnel surface without gaps.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antenna placing box according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sliding assembly according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a rail wheel according to a first embodiment of the present invention;
the device comprises a shell, a clamping plate, a dynamic adjusting mechanism, an auxiliary wheel, a first telescopic rod, a sliding assembly, a main arm, a rotating telescopic device, a second telescopic rod, a base, an alarm device, a frame, a rail wheel, a supporting plate, a spring, a guide plate and a distance measuring sensor, wherein the shell is 1, the clamping plate is 2, the dynamic adjusting mechanism is 3, the auxiliary wheel is 4, the first telescopic rod is 5, the sliding assembly is 6, the main arm is 7, the rotating telescopic device is 8, the.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
The rotating motor is used for driving the component to rotate and adopts a function name.
As introduced in the background art, the prior art has the defects of low efficiency and unsuitability for the shield construction environment with a narrow tunnel section, and the invention provides a device and a method for detecting the defects on the back of the segment of the shield construction tunnel in order to solve the technical problems.
The first embodiment is as follows:
the present invention is described in detail below with reference to fig. 1 to 4, and specifically, the structure is as follows:
the embodiment provides a device for detecting defects on the back of a duct piece in a shield construction tunnel, which comprises a frame 12, a clamping device, a rotary telescopic device 8, a main arm 7, a sliding assembly 6, a rotary device 8, a shell 1, a dynamic adjusting device 3 and an alarm device 11, wherein the upper part of the frame 12 is connected with the main arm 7 through the rotary telescopic device 8, the main arm 7 is connected with the clamping device through the sliding assembly 6, and the shell 1 for bearing a radar antenna is placed in the clamping device; the alarm device 11 is mounted on the frame 12. The dynamic adjusting mechanism 3 is arranged in the shell 1, so that the radar antenna and the surface of the pipe piece can be kept in a close-fitting state.
The frame 12 is connected with the second driving device, the rail wheel 13 is installed to the bottom of frame 12, rail wheel 13 and the cooperation of the rail in the tunnel, and this embodiment detection device of second driving device drive advances at the uniform velocity along the rail, increases the accuracy that the radar detected, has saved the manpower. The second driving means is of the prior art, such as a motor drive.
And a plurality of distance measuring sensors 17 are fixed on the side surfaces of the rail wheels 13, and the distance measuring sensors 17 can measure the distance according to the rotation of the rail wheels 13. And a damping device is arranged above the rail wheel 13 and used for reducing the shaking of the frame 12 and ensuring that the radar antenna is always tightly attached to the tunnel wall. In this embodiment, the rail wheel 13 is a steel rail wheel, and the damping device is a conventional one, and will not be described herein.
Casing 1 is used for bearing radar antenna, is non-metallic material, prevents to exert an influence to the antenna, and its structure is shown in fig. 2, and casing 1's shape adaptation radar antenna, in this embodiment, casing 1 is square structure. A guide plate 16 is arranged on one side of the shell 1, and an auxiliary wheel 4 is arranged on the other side of the shell 1. In operation of the apparatus, the guide plate 16 is located at the front and the auxiliary wheel 4 is located at the rear for assisting the housing 1 in travelling over a rough segment surface. When the dislocation of the surface of the duct piece is uneven, in order to ensure the running continuity of the radar antenna, guide the radar to cross obstacles and avoid the phenomenon of clamping and collision of the radar antenna due to the uneven dislocation of the surface of the duct piece, in the embodiment, a guide plate 16 for protecting the radar antenna is arranged at the top of the antenna box; the longitudinal section of the guide plate 16 is arc-shaped, the inward-bending arc surface of the guide plate is fixed with the top of the antenna box, and the other end of the guide plate extends out of the antenna box.
Be equipped with distance sensor and humidity transducer on the deflector 16, distance sensor moves the rotation motor through the distance of monitoring casing 1 surface and section of jurisdiction surface and makes its work, drives the gear rotation and adjusts the angle of main arm 7 and section of jurisdiction for casing 1 more with section of jurisdiction surface laminating. Humidity transducer is through the humidity on monitoring section of jurisdiction surface, and when the tunnel seeped water to the section of jurisdiction surface, humidity transducer transmission signal to alarm device 11, the device was reported to the police and is reminded the tester to take notes unusual regional.
The auxiliary wheel 4 is connected with a first driving device and provides power for the traveling of the shell 1 provided with the radar antenna. The first driving device is of an existing structure, and details are not repeated here. First drive arrangement be equipped with speedtransmitter, make the moving speed of radar antenna on the section of jurisdiction the same with the moving speed of frame 12, avoid because radar antenna receives the friction, lead to radar antenna and frame 12 speed gap too big, make the skew of whole device arm of force, cause the influence to the stability of whole device.
Dynamic adjustment mechanism 3 includes a plurality of springs 15 and installs backup pad 14 in spring 15 top, spring 15 evenly distributed is inside casing 1, and under the user state, radar antenna places in backup pad 14, and the tunnel wall is hugged closely all the time to the flexible surface that makes radar antenna when measuring through spring 15.
The clamping device comprises two symmetrically-mounted clamping plates 2, the clamping plates 2 are connected through an elastic mechanism, the elastic mechanism enables the transverse distance between the clamping plates 2 to be adjustable, and the clamping device can adapt to shells 1 of different sizes. The elastic mechanism may be a spring or other elastic member.
As shown in fig. 3, the sliding assembly 6 includes a sliding block and a plurality of first telescopic rods 5, one end of each first telescopic rod 5 is connected with the lower portion of the clamping device through a spherical hinge, the other end of each first telescopic rod 5 is connected with the sliding block through a spherical hinge, and the sliding block is connected with the inside of the main arm 7 through a spring. When a gap is formed between the surface of the antenna and the surface of the duct piece, the spring in the sliding assembly 6 is stretched, so that the sliding block slides upwards along the main arm 7, and the antenna is contacted with the duct piece; when the protruding antenna of section of jurisdiction takes place the extrusion with the section of jurisdiction, the spring compression in the subassembly 6 that slides for the slider slides down along main arm 7, lets antenna and section of jurisdiction separation. By adjusting the height of the main arm 7, the whole device can be suitable for tunnels with different elevations.
The rotary telescopic device 8 comprises a rotary motor and a plurality of second telescopic rods 9 arranged along the circumferential direction of the main arm 7, and the second telescopic rods 9 are respectively connected with the main arm 7 and the frame 12 through spherical hinges; the rotating motor is connected with the main arm 7 through a gear, a tooth block is arranged on the main arm 7, the main arm 7 is rotated under the meshing action of the tooth block and the gear, the rotating motor is connected with a distance sensor, and the rotating motor changes an included angle between the rotating motor and a duct piece by driving the main arm 7 to rotate. When the included angle between the main arm 7 to be adjusted and the duct piece is too large, the rotating motor can be turned off, and the angle of the gear is manually adjusted, so that the tunnel section angle adjusting device is suitable for detecting different angles of the whole tunnel section.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A device for detecting defects on the back of a duct piece of a shield construction tunnel is characterized by comprising a frame, wherein the upper part of the frame is connected with a main arm through a rotary telescopic device, the main arm is connected with a clamping device through a sliding assembly, and a shell for bearing a radar antenna is placed in the clamping device;
the device comprises a shell, a distance sensor, a humidity sensor, a sensor control module and a control module, wherein a guide plate is arranged on one side of the shell, and the surface of the guide plate is provided with the distance sensor and the humidity sensor; the other side of the shell is provided with an auxiliary wheel, and the inside of the shell is provided with a dynamic adjusting mechanism, so that the radar antenna and the surface of the duct piece are kept in a close-fitting state.
2. The device of claim 1, wherein the dynamic adjustment mechanism comprises a plurality of springs, the springs are uniformly distributed inside the shell, and a support plate is connected above the springs.
3. The device for detecting the defects behind the segments of the shield construction tunnel according to claim 2, wherein the supporting plate is a non-metal plate.
4. The device for detecting the defects behind the segments of the shield construction tunnel according to claim 1, wherein the longitudinal section of the guide plate is arc-shaped.
5. The device for detecting the defects on the back of the segment of the shield construction tunnel according to claim 1, wherein the auxiliary wheel is connected with a first driving device, and the first driving device is provided with a speed sensor.
6. The device for detecting the defects on the back of the duct piece of the shield construction tunnel according to claim 1, wherein a rail wheel for matching with a steel rail is installed at the bottom of the frame, a plurality of distance measuring sensors are arranged on the rail wheel, and a damping device is installed above the rail wheel.
7. The device for detecting the defects behind the duct pieces of the shield construction tunnel according to claim 1, wherein the rotary telescopic device comprises a rotary motor and a plurality of telescopic rods arranged along the circumferential direction of the main arm, and the telescopic rods are respectively connected with the main arm and the frame in a rotary manner; the rotating motor is connected with the main arm through a gear and connected with the distance sensor, and the rotating motor drives the main arm to rotate so as to change an included angle between the rotating motor and the duct piece.
8. The device for detecting the defects behind the duct pieces of the shield construction tunnel according to claim 1, wherein the sliding assembly comprises a sliding block sleeved outside the main arm and a telescopic rod connected between the sliding block and the clamping device, and two ends of the sliding block are respectively connected with the inside of the main arm through springs.
9. The device for detecting the defects on the back of the duct piece in the shield construction tunnel according to claim 1, wherein an alarm device is installed on the frame, and the humidity sensor is connected with the alarm device and transmits signals to the alarm device.
10. The device for detecting the defects on the back of the segment of the shield construction tunnel according to claim 1, wherein the clamping device comprises two symmetrically arranged clamping plates which are connected through an elastic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260187.8A CN111025287A (en) | 2019-12-10 | 2019-12-10 | Shield constructs construction tunnel section of jurisdiction defect detection device behind one's back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260187.8A CN111025287A (en) | 2019-12-10 | 2019-12-10 | Shield constructs construction tunnel section of jurisdiction defect detection device behind one's back |
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| Publication Number | Publication Date |
|---|---|
| CN111025287A true CN111025287A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260187.8A Pending CN111025287A (en) | 2019-12-10 | 2019-12-10 | Shield constructs construction tunnel section of jurisdiction defect detection device behind one's back |
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| CN (1) | CN111025287A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896622A (en) * | 2020-08-05 | 2020-11-06 | 中国航空工业集团公司沈阳飞机设计研究所 | Material internal defect detection mechanism |
| CN113464818A (en) * | 2021-05-24 | 2021-10-01 | 中铁七局集团武汉工程有限公司 | Vehicle-mounted radar detection force arm |
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Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |