CN106025486B - A kind of geological radar antenna self-regulation support device - Google Patents
A kind of geological radar antenna self-regulation support device Download PDFInfo
- Publication number
- CN106025486B CN106025486B CN201610279708.4A CN201610279708A CN106025486B CN 106025486 B CN106025486 B CN 106025486B CN 201610279708 A CN201610279708 A CN 201610279708A CN 106025486 B CN106025486 B CN 106025486B
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- Prior art keywords
- radar antenna
- self
- hydraulic stem
- support
- warning device
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Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
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- Geophysics And Detection Of Objects (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Emergency Alarm Devices (AREA)
Abstract
A kind of geological radar antenna self-regulation support device of the present invention, belongs to tunnel detection equipment technical field.The device is made of bearing, self-regulation part, support section three parts；The bottom of bearing is arranged in self-regulation part, and the bottom of self-regulation part is arranged in support section.It will not influence the normal work of radar antenna while reaching fixed protection purpose using the fixed protection radar antenna of insulating sheet material；Pressure appropriate innovatively is provided for radar antenna automatically using hydraulic stem and sensor, height of radar antenna is self-regulated when realizing measurement, guarantees that measurement is accurate, saves manually and guarantee survey crew's safety；Setting shrinks warning device and stretches warning device, and radar antenna and hydraulic stem is protected not to be subject to crushing；Support section six roots of sensation support rod can height adjustment, make the present apparatus be suitable for different height tunnel；Install it is easy to operate, it is easy to use, reduce labour cost, guarantee that detection operations are normally carried out.
Description
Technical field
The present invention relates to a kind of geological radar antenna self-regulation support device, especially geological radars, and tunnel is carried out in construction
When the defects of detection of road secondary lining thickness, reinforcing bar distribution detection, the detection of backfill compactness and cavity disease detection operations, guarantee
The self-regulation support device that radar antenna and tunnel wall are in close contact, belongs to tunnel detection equipment technical field.
Background technique
China's tunneling technique is grown rapidly in recent years, in the diseases detection such as Inspection of Tunnel Quality detection and cavity, is commonly used
Geologic radar detection instrument is detected, and needs to guarantee that radar antenna closely connects with tunnel wall when geological radar detects at the construction field (site)
It touches and slides, avoid generating situations such as contact is not close.When detecting tunnel roof, radar antenna under the effect of gravity can not be with tunnel
Road wall fits closely, and two people cooperation is needed to withstand antenna, guarantees to be in close contact, this brings to the constructing tunnel operation of narrow space
Great difficulty, and measurement efficiency is low, time-consuming and laborious, operator's personal safety is unable to get guarantee.In addition, if tunnel is excessively high,
Brandreth need to be made to stand for operator, this brings very big inconvenience to detection operations.
To solve the above-mentioned problems in the prior art, a kind of radar antenna self-regulation support device is designed, is capable of fixing
Radar antenna, whole height are adjustable, and when measurement can automatically adjust and apply pressure appropriate to radar antenna, keep it tight always
Tested tunnel wall is pasted, to guarantee measurement result accuracy.
Summary of the invention
It is an object of the invention to solve geologic radar detection instrument radar antenna when being detected to contact not with tunnel wall
Close problem.
Used technical solution is the present invention in order to solve the above problem:
A kind of geological radar antenna is self-regulated support device, can manual regulating device height while, thunder when realizing detection
Up to the self-regulation of aerial position, it is in close contact radar antenna and tunnel wall, it is easy to operate, save artificial, safe ready.
The radar antenna self-regulation support device, including bearing, self-regulation part and support section；
The bearing is used to fix, support, protects radar antenna and pulley, and pulley is by roller arm and pulley strut
It is fixedly connected and fixes, radar antenna is fixed by four blocks of plates；
The exposed pulley face of the bearing and radar antenna measuring surface, prefabricated bolt hole on the plate, bolt can be worn
Bolt hole fixed radar antenna is crossed, the plate is fixed on by prop；
Specifically, the plate protects radar antenna using carbon fiber board or other insulator plates, intensity enough, together
When insulating material will not be to radar antenna issues, received pulse electromagnetic wave signal have an impact；
Specifically, bearing bottom sheets have a pre-manufactured hole, connect for radar antenna and geologic radar detection instrument host
Wiring passes through；
Specifically, three blocks of bearing side plate and radar antenna is contour or slightly below radar antenna, guarantees radar day
Line and tunnel wall are in close contact, while can be played a protective role to radar antenna；
The prop is welded to form by steel pole, and prop bottom has and self-regulation part hinged interface；
Specifically, the prop and radar antenna contact portion are provided with rubber mat plate；
The bearing size corresponds to radar antenna change in size, this self-regulation support device can be made to be suitable for it
Its detection applications, details are not described herein again；
The self-regulation part is by the moderate hydraulic stem of six roots of sensation rigidity, contraction warning device, stretching warning device and level
Bracket composition, the hydraulic rod top, bottom and bracket are hinged, can be with before radar antenna and then tilt rotation；
Specifically, the hydraulic stem rigidity is moderate, six roots of sensation hydraulic stem should be able to generate the pressure of appropriateness to bearing, make thunder
It is close to tunnel wall up to antenna；
The contraction warning device and stretching warning device and top, bottom bracket are articulated connection；
The contraction warning device is a swept resistance sensor, is rotated synchronously with hydraulic stem, when shrinkage reaches triggering
When point, triggering alarm device is sounded an alarm, and prevents self-regulation portion retracts deformation is excessive from destroying, trigger point can be set；
The stretching warning device is a swept resistance sensor, when hydraulic stem rotation Times alarm device stretching, works as stretching
Amount becomes larger when reaching trigger point, and triggering alarm device sounds an alarm, and prevents from self-regulation part stretcher strain is excessive to destroy,
Trigger point can be set；
The horizontal bracket, is welded by steel pole, and top is provided with and the hydraulic stem, contraction warning device, stretching
Warning device hinged interface；
The support section includes the height-adjustable support rod and horizontal bracket of the six roots of sensation, support bar top, bottom and water
Flat steelframe is fixedly connected；
The support rod is the telescopic rod of adjustable in length, is bolted after support rod length adjustment is good,
Specifically, cross bar or brace enhancement device overall stability can be increased between the support section support rod.
Compared with prior art, innovative point outstanding is the used technical solution of this patent:
1) it will not influence radar while reaching fixed protection purpose using the fixed protection radar antenna of insulating sheet material
The normal work of antenna；
2) pressure appropriate innovatively is provided for radar antenna automatically using hydraulic stem and sensor, thunder when realizing measurement
It is self-regulated up to antenna height, guarantees that measurement is accurate, save manually and guarantee survey crew's safety；
3) setting shrinks warning device and stretches warning device, and radar antenna and hydraulic stem is protected not to be subject to crushing；
4) support section six roots of sensation support rod can height adjustment, make the present apparatus be suitable for different height tunnel；
5) installation is easy to operate, easy to use, reduces labour cost, guarantees that detection operations are normally carried out.
Detailed description of the invention
Fig. 1 radar antenna self-regulation supporting arrangement figure
Fig. 2 antenna mounting structures figure
Fig. 3 antenna holder structure chart
Fig. 4 self-adjusting system figure
Fig. 5 hydraulic rod end is hingedly schemed
Fig. 6 shrinks warning device and stretches hinged figure at the top of warning device
Fig. 7 supporting part structure chart
Wherein, 1- plate, 2- radar antenna, 3- bolt hole, 4- prop, 5- pulley strut, 6- hydraulic stem, 7- are shunk
Warning device, 8- stretch warning device, 9- alarm device, 10- support rod.
Specific embodiment
This patent is illustrated now in conjunction with attached drawing, attached drawing is schematic diagram, only illustrates this patent base in a schematic way
This structure.
Fig. 1 shows the basic composition of the present apparatus, and a kind of geological radar antenna self-regulation support device is by bearing, self-regulated
Section part, support section three parts composition；The bottom of bearing is arranged in self-regulation part, and support section setting is being self-regulated
Partial bottom.
Fig. 2 shows bearing schematic diagram, bearing includes plate 1, radar antenna 2, bolt hole 3, prop 4；
Four blocks of plates 1 are welded to form the rectangular configuration of opening, and radar antenna 2 is mounted among the rectangular configuration, the side of rectangular configuration
Equipped with bolt hole 3, bolt passing through bolt hole 3 is fixed by plate 1, radar antenna 2；Prop 4 is mounted on the week of rectangular configuration
To.
4 structure of prop such as Fig. 3 is shown, and prop 4 is equipped with five struts, four struts and rectangle along the vertical direction
The surrounding of structure connects, and pulley strut 5 is parallel with the vertical plane of rectangular configuration and the interposition of 4 side of prop is arranged in
It sets；
Pulley strut 5 is for fixing sheave segment and limiting roller arm displacement.4 lower end of prop is equipped with and self-regulation portion
Point hydraulic stem 6, shrink warning device 7, stretch the hinged splicing mouth in 8 top of warning device；Prop 4 is by six roots of sensation hydraulic stem
6 supports；
Four hydraulic stems 6 are connected with the bottom of prop 4, and the two plane diagonal positions up and down of four hydraulic stems 6 are set
Have and stretch warning device 8, stretches warning device 8 and diagonally arrange；It shrinks one end of warning device 7 and stretches warning device 8
End connection is shunk warning device 7 and is arranged in a vertical direction；Alarm device 9, which is mounted on, to be shunk on warning device 7.
Support section is made of six roots of sensation support rod 10, and six roots of sensation support rod 10 is connect with self-regulation part.
6 upper and lower end parts of hydraulic stem are hinged by screw bolt and nut and prop 4, shrink warning device 7 and stretch alarm
Device 8 is hinged with prop 4, as Fig. 5,6 are shown；
The 1 carbon fiber insulation board of plate.
The prop 4 is provided with rubber mat plate with 2 contact portion of radar antenna.
The main body for shrinking warning device 7 is swept resistance sensor, is rotated synchronously with hydraulic stem 6, when shrinkage reaches
When to trigger point, triggering alarm device 9 is sounded an alarm, and trigger point is freely to set.
The main body for stretching warning device 8 is swept resistance sensor, is stretched when hydraulic stem 6 rotates Times alarm device,
When amount of tension, which becomes larger, reaches trigger point, triggering alarm device 9 is sounded an alarm, and trigger point is freely to set.
The support rod 10 is the higher steel casing of intensity；Support rod 10 is Telescopic multi-joint casing, highly can freely be adjusted
It saves and is bolted；
It can increase cross bar or brace enhancement device overall stability between the support rod 10；
If Fig. 7 is shown, support section, just to connect, is such as welded with self-regulation part；
After whole device is completed, it is fixed on trolley by the way of welding or anchor connection.
Applying external force makes self-regulation part generate the inclination angle opposite with direction of advance, adjusts support section according to tunnel height
10 height of six roots of sensation support rod makes radar antenna 2 press closer tunnel wall, the fixed support rod 10 of blending bolt；
Geological radar host and radar antenna are connected, geological radar is opened, advances with trolley, detection operations are normally carried out.
Tunnel wall is uneven, advances with trolley, and radar antenna 2 generates upper and lower displacement, since self-regulation part produces in advance
Raw inclination angle, is equivalent to and applies precompression to radar antenna, and when being displaced upward, 6 inclination angle of hydraulic stem reduces, and displacement is worked as in pressure release
When downward, 6 inclination angle of hydraulic stem increases, but no matter is displaced upward or downward, and self-regulation section hydraulic bar 6 applies bearing
Pressure achievees the purpose that radar antenna 2 and tunnel wall are in close contact；
The setting of self-regulation part is shunk the anti-locking apparatus of warning device 7 and is destroyed, and when hydraulic stem 6 shrinks excessive, indicates device
Pressure is larger, it is possible to will lead to radar antenna or hydraulic stem is subject to crushing, therefore be arranged and shrink warning device 7, when hydraulic stem 6
When shrinking excessive, warning device shrinks triggering alarm device 9, and makes a sound, lights warning light and sound an alarm promptings, adjustment device
Detection operations are carried out after height again.
The setting of self-regulation part stretches the anti-locking apparatus of warning device 8 and destroys, and when hydraulic stem 6 tilts excessive, indicates device
Pressure is larger, it is possible to will lead to radar antenna or hydraulic stem is subject to crushing, therefore be arranged and stretch warning device 8, when hydraulic stem 6
When tilting excessive, warning device stretches triggering alarm device 9, and makes a sound, lights warning light and sound an alarm promptings, adjustment device
Detection operations are carried out after height again.
Claims (10)
- The support device 1. a kind of geological radar antenna is self-regulated, it is characterised in that: the device by bearing, self-regulation part, Support section three parts composition；The bottom of bearing is arranged in self-regulation part, and self-regulation part is arranged in support section Bottom；Bearing includes plate (1), radar antenna (2), bolt hole (3), prop (4)；Four pieces of plates (1) are welded to form The rectangular configuration of opening, radar antenna (2) are mounted among the rectangular configuration, and the side of rectangular configuration is equipped with bolt hole (3), spiral shell Bolt passes through bolt hole (3), and plate (1), radar antenna (2) is fixed；Prop (4) is mounted on the circumferential direction of rectangular configuration；Prop (4) structure, prop (4) along the vertical direction be equipped with five struts, the four of four struts and rectangular configuration Week connection, pulley strut (5) is parallel with the vertical plane of rectangular configuration and is arranged in the middle position of prop (4) side；Pulley strut (5) is for fixing sheave segment and limiting roller arm displacement；Prop (4) lower end is equipped with and self-regulation portion Point hydraulic stem (6), shrink warning device (7), stretch the hinged splicing mouth in warning device (8) top；Prop (4) is by six Root hydraulic stem (6) support；Six roots of sensation hydraulic stem (6) is connected with the bottom of prop (4), the two plane diagonal positions up and down of six roots of sensation hydraulic stem (6) Equipped with warning device (8) are stretched, stretches warning device (8) and diagonally arrange；It shrinks the one end of warning device (7) and stretches and alarm The end of device (8) connects, and shrinks warning device (7) and is arranged in a vertical direction；Alarm device (9) is mounted on contraction warning device (7) on；Support section is made of six roots of sensation support rod (10), and six roots of sensation support rod (10) is connect with self-regulation part；Hydraulic stem (6) upper and lower end parts hingedly, are shunk warning device (7) and stretched and reported by screw bolt and nut and prop (4) Alarm device (8) is hinged with prop (4).
- The support device 2. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the plate (1) carbon fiber insulation board.
- The support device 3. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the support branch Frame (4) and radar antenna (2) contact portion are provided with rubber mat plate.
- The support device 4. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the contraction report The main body of alarm device (7) is swept resistance sensor, is rotated synchronously with hydraulic stem (6), when shrinkage reaches trigger point, triggering Alarm device (9) sounds an alarm, and trigger point is freely to set.
- The support device 5. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the stretching report The main body of alarm device (8) is swept resistance sensor, when hydraulic stem (6) rotation Times alarm device stretches, when amount of tension gradually becomes When reaching trigger point greatly, triggering alarm device (9) is sounded an alarm, and trigger point is freely to set.
- The support device 6. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the support rod It (10) is the higher steel casing of intensity；Support rod (10) is Telescopic multi-joint casing, highly freely can adjust and be bolted.
- The support device 7. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: the support rod (10) cross bar or brace enhancement device overall stability be can increase between.
- The support device 8. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: support section with Self-regulation part is welding.
- The support device 9. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: whole device group After the completion of dress, it is fixed on trolley by the way of welding or anchor connection.
- The support device 10. a kind of geological radar antenna according to claim 1 is self-regulated, it is characterised in that: apply external force Self-regulation part is set to generate the inclination angle opposite with direction of advance, it is high to adjust support section six roots of sensation support rod (10) according to tunnel height Degree, makes radar antenna (2) press closer tunnel wall, and blending bolt is fixed support rod (10)；Geological radar host and radar antenna are connected, geological radar is opened, advances with trolley, detection operations are normally carried out；Tunnel wall is uneven, advances with trolley, and radar antenna (2) generates upper and lower displacement, since self-regulation part generates in advance Inclination angle is equivalent to and applies precompression to radar antenna, and when being displaced upward, hydraulic stem (6) inclination angle reduces, and displacement is worked as in pressure release When downward, hydraulic stem (6) inclination angle increases, but no matter is displaced upward or downward, is self-regulated section hydraulic bar (6) to bearing Apply pressure, achievees the purpose that radar antenna (2) and tunnel wall are in close contact；The part setting that is self-regulated is shunk warning device (7) anti-locking apparatus and is destroyed, and when hydraulic stem (6) contraction is excessive, indicates device Pressure is larger, it is possible to will lead to radar antenna or hydraulic stem is subject to crushing, therefore be arranged and shrink warning device (7), when hydraulic When bar (6) shrinks excessive, warning device shrinks triggering alarm device (9), and makes a sound, lights warning light and sound an alarm prompting, Detection operations are carried out again after adjustment device height；The setting of self-regulation part stretches warning device (8) anti-locking apparatus and destroys, and when hydraulic stem (6) inclination is excessive, indicates device Pressure is larger, it is possible to will lead to radar antenna or hydraulic stem is subject to crushing, therefore be arranged and stretch warning device (8), when hydraulic When bar (6) inclination is excessive, warning device stretches triggering alarm device (9), and makes a sound, lights warning light and sound an alarm prompting, Detection operations are carried out again after adjustment device height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279708.4A CN106025486B (en) | 2016-04-28 | 2016-04-28 | A kind of geological radar antenna self-regulation support device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279708.4A CN106025486B (en) | 2016-04-28 | 2016-04-28 | A kind of geological radar antenna self-regulation support device |
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| CN106025486A CN106025486A (en) | 2016-10-12 |
| CN106025486B true CN106025486B (en) | 2019-03-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597432A (en) * | 2016-12-15 | 2017-04-26 | 山东大学 | Auxiliary apparatus for enhancing the coupling effect of ground-penetrating radar antenna and the use method thereof |
| CN107681247A (en) * | 2017-10-27 | 2018-02-09 | 四川嘉义雷科电子技术有限公司 | The geological radar fixed mount that can be lifted |
| CN108180896B (en) * | 2017-12-01 | 2020-11-10 | 长安大学 | Unmanned tunnel detection device |
| CN109958849B (en) * | 2017-12-24 | 2024-04-26 | 贵州铁建工程质量检测咨询有限公司 | Geological radar antenna lifting device |
Citations (6)
| 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 |
| WO2013109395A1 (en) * | 2012-01-20 | 2013-07-25 | Enterprise Electronics Corporation | Transportable x-band radar having antenna mounted electroncs |
| CN104389946A (en) * | 2014-09-12 | 2015-03-04 | 苏州合欣美电子科技有限公司 | Active hydraulic damping device with variable cavity |
| CN204479742U (en) * | 2015-01-06 | 2015-07-15 | 交通运输部公路科学研究所 | A kind of tunnel-liner detections of radar servicing unit and tunnel-liner detections of radar car |
| CN105098313A (en) * | 2015-08-25 | 2015-11-25 | 长安大学 | Tunnel geological advanced prediction radar antenna adaptive position-adjusting device |
| CN204903756U (en) * | 2015-09-07 | 2015-12-23 | 甘肃省交通科学研究院有限公司 | Lining cutting detects automatic support of antenna and holds device |
-
2016
- 2016-04-28 CN CN201610279708.4A patent/CN106025486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013109395A1 (en) * | 2012-01-20 | 2013-07-25 | Enterprise Electronics Corporation | Transportable x-band radar having antenna mounted electroncs |
| 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 |
| CN104389946A (en) * | 2014-09-12 | 2015-03-04 | 苏州合欣美电子科技有限公司 | Active hydraulic damping device with variable cavity |
| CN204479742U (en) * | 2015-01-06 | 2015-07-15 | 交通运输部公路科学研究所 | A kind of tunnel-liner detections of radar servicing unit and tunnel-liner detections of radar car |
| CN105098313A (en) * | 2015-08-25 | 2015-11-25 | 长安大学 | Tunnel geological advanced prediction radar antenna adaptive position-adjusting device |
| CN204903756U (en) * | 2015-09-07 | 2015-12-23 | 甘肃省交通科学研究院有限公司 | Lining cutting detects automatic support of antenna and holds device |
Non-Patent Citations (1)
| Title |
|---|
| 地质雷达技术在隧道衬砌质量检测中的应用;张仙红;《山西建筑》;20090430;第35卷(第11期);第330-331页 |
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