CN110455328B - Detection mechanism capable of being self-adaptively attached to detected surface - Google Patents
Detection mechanism capable of being self-adaptively attached to detected surface Download PDFInfo
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- CN110455328B CN110455328B CN201910806633.4A CN201910806633A CN110455328B CN 110455328 B CN110455328 B CN 110455328B CN 201910806633 A CN201910806633 A CN 201910806633A CN 110455328 B CN110455328 B CN 110455328B
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- assembly
- detection
- supporting seat
- detected surface
- elastic telescopic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
Abstract
The invention discloses a detection mechanism capable of being attached to a detected surface in a self-adaptive manner, which comprises a supporting seat, an elastic telescopic column assembly, a distance detector assembly and a detection assembly, wherein the elastic telescopic column assembly is arranged on the supporting seat; the elastic telescopic column assembly is used for installing the detection assembly and enabling the detection assembly to be attached to a detected surface, and the distance detector assembly is installed on the detection assembly and used for detecting the distance between the supporting seat and the detected surface. The invention realizes good contact to the non-flat surface, can ensure that the mounted detection assembly is attached to the detected surface of the tunnel, and improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of tunnel detection equipment, in particular to a detection mechanism capable of being attached to a detected surface in a self-adaptive mode.
Background
The tunnel needs to be maintained and detected in the whole life cycle after construction is completed. The defects of the current track subgrade and the current tunnel are still in a manual or semi-automatic detection state, the detection efficiency is low, the required time is long, and the detection effect is not good. Therefore, it is necessary to design a tunnel detection device capable of performing all-directional automatic detection on a tunnel, and a detection mechanism applied to the tunnel detection device needs to be developed correspondingly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the detection mechanism capable of being attached to the detected surface in a self-adaptive manner, so that the good contact to the uneven surface is realized, the mounted detection assembly can be attached to the detected surface of the tunnel, and the detection accuracy is improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a detection mechanism capable of being attached to a detected surface in a self-adaptive mode comprises a supporting seat, an elastic telescopic column assembly, a distance detector assembly and a detection assembly, wherein the elastic telescopic column assembly is installed on the supporting seat; the elastic telescopic column assembly is used for installing the detection assembly and enabling the detection assembly to be attached to a detected surface, and the distance detector assembly is installed on the detection assembly and used for detecting the distance between the supporting seat and the detected surface.
Further, the flexible post subassembly is four groups, just is the rectangle and arranges, flexible post subassembly include with the linear bearing of supporting seat connection, slidable passes in proper order linear bearing with the supporting seat with the flexible post that the determine module is connected, the cover is established on the flexible post, and both ends respectively with the supporting seat with the second spring of determine module butt, flexible post is provided with at the tip and prevents the roll-off linear bearing's stopper.
Still further, the detection mechanism further comprises two groups of rotary wheels arranged on the supporting seat and a first driving motor arranged on the supporting seat; the first driving motor is used for driving the supporting seat to move through the two groups of the rotary wheels.
Compared with the prior art, the invention has the following beneficial effects:
(1) the detection assembly is arranged on the elastic telescopic column assembly, so that the good contact to the uneven surface is realized, the installed detection assembly can be attached to the detected surface of the tunnel, the detection accuracy is improved, and the detection assembly can be automatically adjusted to cross the obstacle when encountering the obstacle;
(2) the invention is provided with the second driving mechanism and the rotary wheel which are matched with the sector gear of the external bracket mechanism, so that the detection mechanism can move along the radial direction of the sector gear to be attached to the detected surface.
Drawings
Fig. 1 is a schematic view of a usage state of a tunnel detection apparatus according to an embodiment.
Fig. 2 is a schematic structural diagram of a tunnel detection apparatus according to an embodiment.
Fig. 3 is a schematic view of an embodiment of a tunnel detection device in an unfolded state.
Fig. 4 is a structural schematic diagram of a support mechanism of the tunnel detection device according to the embodiment.
Fig. 5 is a schematic structural diagram of a mounting seat of the tunnel detection device according to the embodiment.
Fig. 6 is a partial schematic view of an end adjustment and adaptation mechanism of the tunnel detection device according to the embodiment.
Fig. 7 is a schematic structural diagram of an end adjustment and adaptation mechanism of the tunnel detection apparatus according to the embodiment.
Fig. 8 is a partial schematic view of the hinge joint of the second main support and the first main support of the tunnel detection device of the embodiment.
Fig. 9 is a partial schematic view of the tunnel detection device according to the embodiment at the first spring.
Wherein, the names corresponding to the reference numbers are:
1-a travelling mechanism, 2-a detection mechanism, 3-a support mechanism, 4-a swinging mechanism, 20-a detection assembly, 21-a support base, 22-a travelling wheel, 23-a distance detector assembly, 24-a linear bearing, 25-a telescopic column, 26-a second spring, 27-a limit block, 28-a rotary wheel, 29-a first driving motor, 31-a first main support, 32-a secondary support, 33-a second main support, 34-a mounting base, 35-a jacking assembly, 36-an adaptive balancing rod assembly, 37-a rotary support, 341-an arc guide rail, 342-a sector gear, 343-a rotary fixed shaft, 344-a movable rod connecting shaft, 361-a fixed rod, 362-a sleeve, 363-a movable rod, 364-a limit part, 365-a first spring, 41-a base, 42-a rotating shaft, 43-a mounting support, 44-a driving mechanism, 45-a bearing seat and 46-a coupler.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.
Examples
As shown in fig. 1 to 9, in the present embodiment, the term of the number "first", "second", "third", etc. in the present embodiment is used only for distinguishing the same kind of components, and it is not understood that the protection scope is specifically limited. In addition, the terms of orientation such as "bottom", "top", "side edges", and the like in the present embodiment are explained based on the drawings.
The tunnel detection device comprises a detection mechanism 2 which can be self-adaptively attached to a detected surface, a support mechanism 3 which is connected with the detection mechanism 2 and used for enabling the detection mechanism 2 to freely lift, and a swing mechanism 4 which is connected with the support mechanism 3 and used for driving the support mechanism 3 to incline left and right.
The support mechanism 3 comprises a first main support 31 and an auxiliary support 32, one end of which is hinged with the swing mechanism 4, a second main support 33, one end of which is hinged with the other end of the first main support 31, a mounting seat 34 arranged at the other end of the second main support 33, and a jacking assembly 35, wherein the jacking assembly is hinged with the swing mechanism 4; the jacking end of the jacking component 35 is hinged with the first main support 31 and used for jacking and lifting the second main support 33, the other end of the auxiliary support 32 is hinged with the second main support 33 and drives the second main support 33 to rotate by taking the hinged position with the first main support 31 as an axis when the second main support 33 is lifted by jacking, so as to lift the mounting seat 34, and the detection mechanism 2 is installed on the mounting seat 34. Specifically, one end of the first main support 31 is hinged to the mounting support 43 through a rotating support 37, the other end of the first main support 31 is hinged to the end of the second main support 33 through the rotating support 37, and the jacking assembly 35 is an electric push rod. The detection mechanism 2 comprises a supporting seat 21 connected with a mounting seat 34, an elastic telescopic column 25 assembly arranged on the supporting seat 21, a distance detector assembly 23 and a detection assembly 20; the elastic telescopic column 25 assembly is used for installing the detection assembly 20 and enabling the detection assembly 20 to be attached to a detected surface, and the distance detector assembly 23 is installed on the detection assembly 20 and used for detecting the distance between the supporting seat 21 and the detected surface. In this embodiment, the detection component 20 is a radar component, and the radar component is provided with a traveling wheel 2222. The elastic telescopic columns 25 are arranged in four groups and are rectangular, and the detection assembly 20 can be attached to the detected surface under the action of the elastic telescopic columns 25. Elastic telescopic column 25 subassembly includes the linear bearing 24 of being connected with supporting seat 21, slidable passes linear bearing 24 and supporting seat 21 and the flexible post 25 that detecting element 20 is connected in proper order, the cover is established on flexible post 25, and the both ends respectively with the second spring 26 of supporting seat 21 and the butt of detecting element 20, flexible post 25 is provided with the stopper 27 that prevents roll-off linear bearing 24 at the tip, flexible post 25 and detecting element 20 threaded connection, supporting seat 21 passes through flexible post 25 sliding connection with detecting element 20, detecting element 20 laminating is detected the face under the effect of second spring 26, when meeting the obstacle, detecting element 20 promotes flexible post 25 and slides along linear bearing 24, the compression second is the compression spring, detecting element 20 moves to supporting seat 21, stride across the obstacle, elastic telescopic column 25 subassembly compression volume is 20mm from top to bottom. The swing mechanism 4 includes a base 41, a rotating shaft 42 rotatably mounted on the base 41, a mounting support 43 provided on the rotating shaft 42, and a driving mechanism 44 mounted on the base 41; when in use, the base 41 is arranged on the travelling mechanism 1, and the travelling mechanism 1 is different according to different tunnels, and can be a rail car or a common moving trolley. The rotating shaft 42 is hinged with the jacking assembly 35 and the auxiliary bracket 32, the mounting support 43 is hinged with the first main bracket 31, and the output end of the driving mechanism 44 is connected with the rotating shaft 42 and used for driving the rotating shaft 42 to rotate. Specifically, the rotating shaft 42 is mounted on the base 41 through two bearing blocks 45, and the mounting bracket 43 is mounted between the two bearing blocks 45. The driving mechanism 44 includes a second driving motor, and a speed reducer connected to an output shaft of the second driving motor, and an output end of the speed reducer is connected to the rotating shaft 42 through a coupling 46. The speed reducer is a worm gear speed reducer which is provided with a manual control rocking handle and can realize manual control.
As a further improvement, the mounting seat 34 is hinged with the second main support 33, in particular, hinged with the second main support 33 through a revolving fixed shaft 343, and the support mechanism 3 is provided with an adaptive balance bar assembly 36 for enabling the mounting seat 34 to automatically restore to the horizontal after losing the horizontal position. Specifically, the adaptive balancing lever assembly 36 includes a fixed lever 361 having one end connected to the second main support 33, a sleeve 362 connected to the other end of the fixed lever 361, and a movable lever 363 having one end slidably inserted into the sleeve 362; the other end of the movable rod 363 is hinged to the mounting seat 34, specifically, hinged to the mounting seat 34 through the movable rod connecting shaft 344, one end of the movable rod 363, which is inserted into the sleeve 362, is provided with a limiting portion 364, a first spring 365 is arranged in the sleeve 362, the first spring 365 abuts against the limiting portion 364, and can push the movable rod 363 to move after the mounting seat 34 loses the horizontal position, so that the mounting seat 34 recovers the horizontal position, that is, the adaptive balancing rod assembly 36 allows the mounting seat 34 to deviate from the horizontal position within a range of ± 10 °, and can recover the mounting seat 34 to the horizontal position after the external force disappears, so that the mounting seat 34 is ensured to be parallel to the detected surface. The two first springs 365 are respectively disposed at two sides of the limiting portion 364.
In order to facilitate the adjustment of the detecting assembly 20 so that it can be better adapted to the wall surface of the tunnel to be detected, the mounting base 34 is provided with arc-shaped guide rails 341 on both sides, and the mounting base 34 is provided with a sector gear 342 on the side facing away from the detecting mechanism 2. The detection mechanism 2 further comprises two groups of rotating wheels 28 arranged on the supporting seat 21, and a first driving motor 29 arranged on the supporting seat 21; the two sets of rotary wheels 28 are respectively arranged in the arc-shaped guide rails 341 on both sides of the mounting base 34, and an output shaft of the first driving motor 29 is meshed with the sector gear 342 through a gear and is used for driving the supporting base 21 to move along the arc-shaped guide rails 341 through the two sets of rotary wheels 28. The arc-shaped guide rail 341 and the sector gear 342 are matched with the revolving wheel 28 and the first driving motor 29, so that the detection mechanism 2 can be adjusted to incline within the range of +/-15 degrees, and the detection mechanism is better adapted to the detection surface of the tunnel wall.
When the invention is used, a matched control system and an electric system are also arranged, the control system and the electric system are both conventional technologies, the invention does not relate to the improvement of the control system and the electric system, and the specific structures of the control system and the electric system are not repeated.
When the lifting device is used, the lifting device moves to the detection position through the displacement mechanism, the lifting assembly starts to lift the first main support so as to lift the second main support, and meanwhile, under the action of the auxiliary support, the second main support rotates by taking a hinged part with the first main support as a shaft so as to lift the mounting seat; when the four groups of distance detector assemblies detect that the distances between the four groups of distance detector assemblies and the detected surface are consistent and equal to a set value, the jacking assembly stops jacking, the detection assembly is attached to the detected surface under the action of the elastic telescopic column assembly, and the displacement mechanism moves to drive the detection device to run along the tunnel so as to detect the wall surface of the tunnel; when the side wall of the tunnel wall is to be detected, the support mechanism is firstly retracted, then the second driving motor is started to drive the speed reducer to drive the rotating shaft to rotate, the support mechanism is further driven to rotate, and after the rotating shaft rotates to a proper angle, the support mechanism is unfolded to enable the detection assembly to be obliquely adaptive to the side wall surface of the tunnel, so that the side wall of the tunnel wall is detected.
The invention can realize the omnibearing coverage of the tunnel vault and further realize the omnibearing detection of the tunnel vault, has high automation degree, greatly improves the detection efficiency, has low operation cost and avoids the following problems of manual or semi-automatic detection state:
(1) people carrying detection, a single instrument cannot make accurate judgment, and the efficiency is low and only sampling detection is performed;
(2) the detection effect is limited by the manipulation level, the dependence on human resources is strong, and the cost is high;
(3) manual detection, only obvious apparent diseases can be reported;
(4) the manual recording has no original data, the efficiency is low, the method is limited by responsibility and experience, and the accuracy is low. The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (1)
1. The utility model provides a can self-adaptation laminating be detected detection mechanism of face which characterized in that: the device comprises a supporting seat, an elastic telescopic column assembly, a distance detector assembly and a detection assembly, wherein the elastic telescopic column assembly is arranged on the supporting seat; the elastic telescopic column assembly is used for mounting the detection assembly and enabling the detection assembly to be attached to a detected surface, and the distance detector assembly is mounted on the detection assembly and used for detecting the distance between the supporting seat and the detected surface; the elastic telescopic column assemblies are arranged in a rectangular shape, each elastic telescopic column assembly comprises a linear bearing connected with the corresponding support seat, telescopic columns sequentially and slidably penetrating through the linear bearings and the corresponding support seats and connected with the corresponding detection assembly, second springs sleeved on the telescopic columns, two ends of each second spring are respectively abutted against the corresponding support seat and the corresponding detection assembly, and limit blocks for preventing the telescopic columns from sliding out of the linear bearings are arranged at the end parts of the telescopic columns; the detection mechanism also comprises two groups of rotary wheels arranged on the supporting seat and a first driving motor arranged on the supporting seat; the two groups of the rotary wheels are respectively arranged in the external arc-shaped guide rails, and the output shaft of the first driving motor is meshed with the external sector gear through a gear and is used for driving the supporting seat to move along the arc-shaped guide rails through the two groups of the rotary wheels so that the detection mechanism can move along the sector gear to be attached to the detected surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806633.4A CN110455328B (en) | 2019-08-29 | 2019-08-29 | Detection mechanism capable of being self-adaptively attached to detected surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910806633.4A CN110455328B (en) | 2019-08-29 | 2019-08-29 | Detection mechanism capable of being self-adaptively attached to detected surface |
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| CN110455328A CN110455328A (en) | 2019-11-15 |
| CN110455328B true CN110455328B (en) | 2021-09-17 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175565A (en) * | 2013-03-25 | 2013-06-26 | 长沙理工大学 | Tunnel lining detection support with height and angle capable of being automatically adjusted |
| CN207867034U (en) * | 2017-12-28 | 2018-09-14 | 王军 | A kind of range unit |
| CN208415265U (en) * | 2018-07-03 | 2019-01-22 | 刘平英 | A kind of underwater concreting positioning apparatus |
| CN109406634A (en) * | 2018-12-21 | 2019-03-01 | 核动力运行研究所 | A kind of probe laminating apparatus for weld seam detection |
| CN209280943U (en) * | 2018-09-14 | 2019-08-20 | 长安大学 | A kind of tunnel defect detecting device based on radar detection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799457A (en) * | 2018-08-29 | 2018-11-13 | 潍坊市华玉塑料机械有限公司 | The adjustable tensioner sprocket wheel of deflection angle |
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2019
- 2019-08-29 CN CN201910806633.4A patent/CN110455328B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175565A (en) * | 2013-03-25 | 2013-06-26 | 长沙理工大学 | Tunnel lining detection support with height and angle capable of being automatically adjusted |
| CN207867034U (en) * | 2017-12-28 | 2018-09-14 | 王军 | A kind of range unit |
| CN208415265U (en) * | 2018-07-03 | 2019-01-22 | 刘平英 | A kind of underwater concreting positioning apparatus |
| CN209280943U (en) * | 2018-09-14 | 2019-08-20 | 长安大学 | A kind of tunnel defect detecting device based on radar detection |
| CN109406634A (en) * | 2018-12-21 | 2019-03-01 | 核动力运行研究所 | A kind of probe laminating apparatus for weld seam detection |
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| CN110455328A (en) | 2019-11-15 |
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