CN205778813U - A kind of down-hole automatic centering detection device - Google Patents
A kind of down-hole automatic centering detection device Download PDFInfo
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- CN205778813U CN205778813U CN201620459880.3U CN201620459880U CN205778813U CN 205778813 U CN205778813 U CN 205778813U CN 201620459880 U CN201620459880 U CN 201620459880U CN 205778813 U CN205778813 U CN 205778813U
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- supporting leg
- wall
- tripodia
- wall unit
- borehole wall
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Abstract
This utility model relates to a kind of automatic centring device, specifically, relates to a kind of down-hole automatic centering detection device, and this device is climbed wall unit by two groups of identical tripodias and is vertically in series, and tripodia described in two groups climbs wall unit can self-movement；Described tripodia is climbed wall unit and is included that three supporting legs the most equally distributed, described supporting leg end are provided with the roller for contacting with the borehole wall；Described supporting leg connects development mechanism, and described development mechanism, for automatically adjusting the deployment diameter of described supporting leg according to the diameter of the borehole wall, keeps described tripodia to climb center and the centering of borehole wall center of wall unit.The tripodia of this utility model two groups series connection is climbed wall unit and can automatically be adjusted the support diameter of supporting leg according to the diameter of the borehole wall, and keep climbing wall unit center and borehole wall center superposition, such that it is able to keep the axis climbing wall unit and borehole wall dead in line in real time, and can adapt to the borehole wall of different cross section diameter.
Description
Technical field
This utility model relates to a kind of automatic centring device, specifically, relates to a kind of down-hole automatic centering detection device.
Background technology
At present, downhole pipeline quantity, trend, kind etc. are mainly by manual measurement, and there are sewage, toxic gas in down-hole
Physically and mentally healthy etc. having a strong impact on workman, even threat to life safety, cause a part of bilge well, cable shaft cannot by artificial come
Measure, due to factors such as downhole pipeline arrangement are complicated, borehole wall diameter is irregular, constrain the application of underground for probing measurement equipment.Therefore,
A kind of down-hole automatic centring device carrying detecting devices is needed to realize scanning omnibearing to downhole pipeline, pipe joint etc.
And measurement, to reduce manual measurement, reduce the technology requirement to survey crew, and improve measurement efficiency.
Utility model content
The purpose of this utility model is to provide a kind of down-hole automatic centering detection device, to solve the problems referred to above.
Embodiment of the present utility model provides a kind of down-hole automatic centering detection device, and this device is by two groups identical three
Foot is climbed wall unit and is vertically in series, and two groups of tripodias climb wall unit can self-movement；Tripodia is climbed wall unit and is included three
The most equally distributed supporting leg, supporting leg end is provided with the roller for contacting with the borehole wall；Supporting leg connects exhibition
Opening mechanism, development mechanism, for automatically adjusting the deployment diameter of supporting leg according to the diameter of the borehole wall, keeps tripodia to climb wall unit
Center and the centering of borehole wall center.
Further, development mechanism include backbone, slider-rocker mechanism and stretching spring, slider-rocker mechanism include connecting rod,
Slide block and guide rod；Stretching spring, connecting rod and guide rod and three supporting settings of supporting leg；The key root by stub axle with supporting leg
Portion is hinged, and connecting rod is hinged with supporting leg and slide block by time bearing pin and auxiliary bearing pin respectively；Slide block be circumferentially uniformly provided with three with
The groove that guide rod is slidably matched, slide block can slide along three guide rods；Stretching spring connects supporting leg and backbone.
Further, development mechanism also includes linear motion unit, and linear motion unit includes can being slidably matched along guide rod
Nut, nut is threaded connection trapezoidal screw, and trapezoidal screw connects driving motor by yielding coupling, drives motor to be used for
Rotary motion is transferred to trapezoidal screw, and trapezoidal screw is used for driving nut to move along a straight line along guide rod.
Further, linear motion unit also includes that limit switch, limit switch electrically connect with driving motor.
Further, key upper end is provided with boss, and lower end is provided with hole, location, and boss is used for inserting hole, location and connects two group three
Foot climbs wall unit.
Compared with prior art the beneficial effects of the utility model are: the tripodia of two groups of series connection climbs three supports of wall unit
Lower limb can automatically adjust the support diameter of supporting leg according to the diameter of the borehole wall, and keeps climbing wall unit center and borehole wall center weight
Close, such that it is able to keep the axis climbing wall unit and borehole wall dead in line in real time, and can adapt to the borehole wall of different cross section diameter.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of down-hole of this utility model automatic centering detection device；
Fig. 2 is the structural representation that a kind of down-hole of this utility model automatic centering detection device tripodia climbs wall unit；
Fig. 3 is the schematic diagram that a kind of down-hole of this utility model automatic centering detection device is in minimum expanded diameter state,
Wherein (a) is front view, and (b) is top view；
Fig. 4 is the schematic diagram that a kind of down-hole of this utility model automatic centering detection device is in maximum expanded diameter state,
Wherein (a) is front view, and (b) is top view；
Fig. 5 is a kind of down-hole of this utility model automatic centering detection device schematic diagram in the reducing borehole wall.
Detailed description of the invention
This utility model is described in detail by each embodiment shown in below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Equivalent transformation in energy, method or structure or replacement, within belonging to protection domain of the present utility model.
Shown in ginseng Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of down-hole of this utility model automatic centering detection device；Figure
2 is the structural representation that a kind of down-hole of this utility model automatic centering detection device tripodia climbs wall unit.
Present embodiments providing a kind of down-hole automatic centering detection device, this device is climbed wall unit by two groups of identical tripodias
Vertically being in series, two groups of tripodias climb wall unit can self-movement；Tripodia is climbed wall unit and is included three vertically
Equally distributed supporting leg 2, supporting leg 2 end is provided with (single) roller 3 for contacting with the borehole wall, and roller 3 leads to supporting leg 2
Crossing rotating shaft to connect, roller 3 can rotate around own rotation axle；Supporting leg 2 connects development mechanism, and development mechanism is for according to well
The diameter of wall adjusts the deployment diameter of supporting leg automatically, keeps tripodia to climb center and the centering of borehole wall center of wall unit.Two group three
Foot climbs the separate motion of wall unit motion, and the expanded diameter that two groups of tripodias climb wall unit is separate, and the borehole wall in Fig. 1 is
The diameter borehole wall, detection device vertically can move up and down along the borehole wall under the effect of lifting force, and tripodia is climbed wall and kept straight with the borehole wall
The expanded diameter that footpath is identical.Tripodia is climbed three rollers of wall unit and is contacted with the borehole wall, has automatic centering function, keeps three in real time
The center of foot wall climbing mechanism and borehole wall center superposition, climbed wall unit due to detection agency by two groups of tripodias and form, therefore, and detection dress
The own axes put is in real time and borehole wall dead in line.Down-hole automatic centering detection device along the borehole wall move time, two groups of tripodias climb wall
The roller of unit is in close contact with the borehole wall, and tripodia is climbed the frictional resistance position rolling friction between wall unit and the borehole wall, greatly dropped
Low detection device frictional resistance in motor process.
The down-hole automatic centering detection device that the present embodiment provides climbs wall unit by two groups of tripodias of connecting, and utilizes volume on the ground
Cartridge will be climbed wall unit and smoothly transferred and promote, and detection device moves up and down along the borehole wall under the effect of vertical pulling force, uses
3-D scanning and photographing device in down-hole are arranged on the end detecting device, are moved by the raising and lowering of detection device,
The functions such as the scanner uni of the whole borehole wall and pipeline is taken pictures can be realized.Tripodia climbs wall unit by supporting leg, roller and development mechanism
Composition, tripodia climbs three supporting legs of wall unit can automatically adjust the support diameter of supporting leg according to the diameter of the borehole wall, and protects
Hold and climb wall unit center and borehole wall center superposition, i.e. automatic centering feature, two groups of tripodias are climbed wall unit and are connected in series, due to each
Climb wall unit can automatic centering, thus, tripodia wall climbing mechanism can axis and the borehole wall dead in line of maintaining body in real time, and
Can adapt to the borehole wall of different cross section diameter, can be widely applied to the pipeline detection of the bilge well of different-diameter, cable shaft etc., tool
There is compact conformation, transfer apart from deep, the advantage of automatic centering.
In the present embodiment, development mechanism includes backbone 1, slider-rocker mechanism and stretching spring 10, slider-rocker mechanism
Including connecting rod 4, slide block 8 and guide rod 7；Stretching spring 10, connecting rod 4 and guide rod 7 and three supporting settings of supporting leg 2；Key 1 passes through
Stub axle 11 is hinged with the root of supporting leg 2, and connecting rod 4 is cut with scissors with supporting leg 2 and slide block 8 by time bearing pin 12 and auxiliary bearing pin 13 respectively
Connect；Slide block 8 is circumferentially uniformly provided with three grooves being slidably matched with guide rod 7, and slide block 8 can slide along three guide rods 7；Stretching bullet
Spring 10 connects supporting leg 2 and key 1.Tripodia is climbed all component parts of wall unit and is installed on described key 1.Key 1 by
Multiple parts are constituted, and form each other by threaded, have very high intensity and bearing capacity.Tripodia is climbed wall unit and is included three sets
Identical slider-rocker mechanism, i.e. provides supporting leg 2 to launch connecting rod 4, slide block 8 and guide rod 7 that function connects.Slider-rocker mechanism
Driving derive from stretching spring 10, stretching spring 10 restoring force effect under, supporting leg 2 can exist around described stub axle 11
Rotating in the range of certain angle, supporting leg 2 can be slided along guide rod 7 by connecting rod 4 band movable slider 8.Three set slider-rocker mechanism edges
The axis of key 1 is uniformly distributed, and the shared slide block 8 of three set slider-rocker mechanisms, i.e. slide block 8 simultaneously with three connecting rod 4 hinges
Connecting, therefore, three set slider-rocker mechanisms use mode in parallel to link together, and three stretching springs 10 are respectively acting on three
On set slider-rocker mechanism, under the effect of stretching spring 10, all supporting legs 2 have identical rotational angle.
In the present embodiment, development mechanism also includes linear motion unit, and linear motion unit includes to slide along guide rod 7
The nut 9 coordinated, nut 9 is slidably matched with guide rod 7, can limit the rotary motion of nut 9, and nut 9 is threaded connection ladder
Shape leading screw 6, trapezoidal screw 6 connects driving motor 5 by yielding coupling, drives motor 5 for rotary motion is transferred to ladder
Shape leading screw 6, trapezoidal screw 6 is used for driving nut 9 to move along a straight line along guide rod 7, and coordinates tool between nut 9 with trapezoidal screw 6
There is self-locking property.Slide block 8 in slider-rocker mechanism slides along guide rod 7, and the movement travel of slide block 8 determines turning of supporting leg 2
Dynamic angular range, in order to limit the movement travel of slide block 8, devises linear motion unit, and the nut 9 of linear motion unit can
Move along guide rod 7, owing to described slide block 8 is only capable of between initial zero position and nut 9 motion, therefore, by controlling the position of nut 9
Put, the constraint of the movement travel to slide block 8 can be realized, i.e. by controlling driving motor 5, to the slide block 8 in slider-rocker mechanism
Retrain, limit the rotational angle of supporting leg 2, and then control the expanded diameter of three set slider-rocker mechanisms.
In the present embodiment, in order to arrange initial zero position, can climb at tripodia and limit switch 17 is set on wall unit, will
Limit switch 17 with drive motor electrically connect, during nut 9 return, nut 9 pressed slider 8, both jointly along guide rod to
Lower motion, when slide block 8 compresses limit switch 17, drives motor 5 to stop operating after receiving the signal of limit switch 17, and three sets shake
The simultaneously stop motion of bar slide block mechanism, tripodia climbs wall unit and returns to initial zero position, and now, tripodia is climbed wall unit and had minimum
Expanded diameter.Shown in ginseng Fig. 3, detection device vertically moves up and down along the borehole wall 14, and the borehole wall about 14 diameter is identical, automatically visits
Survey device to work when minimum expanded diameter.Linear motion unit, for limiting the stroke of slide block 8, opens directly in minimum
Under the state of footpath, nut 9 is in minimum stroke position, and slide block 8 is in close contact with nut 9, and slide block 8 is similarly in minimum stroke position
Put.When detection device is in minimum expanded diameter, nut 9 is in original position, and it is minimum that tripodia climbs the radius that opens of wall unit
And cannot change, therefore it is generally used for detecting the transport of device under this state.
Shown in ginseng Fig. 4, Fig. 4 is that this utility model one down-hole automatic centering detection device is in maximum expanded diameter state
Schematic diagram.Detection device vertically moves up and down along the borehole wall 15, and the borehole wall about 15 diameter is identical, and automatic detection device is in maximum
Work under the state of expanded diameter.Linear motion unit is for limiting the stroke of described slide block 8, in maximum expanded diameter state
Under, nut 9 is in maximum travel position, and slide block 8 is in close contact with nut 9, and slide block 8 is similarly in maximum travel position.When
During along with the reduced radius of the borehole wall 15, tripodia is climbed wall unit and automatically can be shunk according to the diameter of the borehole wall, keeps tripodia to climb wall list
The expanded diameter of unit is identical with the diameter of the borehole wall 15.
Shown in ginseng Fig. 5, Fig. 5 is the automatic centering detection device signal in the reducing borehole wall of a kind of down-hole of this utility model
Figure.When detecting device and working in the borehole wall 16 of variable diameters, upper and lower two groups of tripodias climb wall unit can be according to the diameter of the borehole wall
Automatically adjust the expanded diameter of self, keep tripodia to climb its center and the borehole wall center superposition of wall unit, it is ensured that at variable diameters
The borehole wall 16 in detect the own axes of device and overlap with the borehole wall 16.The adjustment model of wall unit expanded diameter is climbed in order to improve tripodia
Enclosing, nut 9 is typically in maximum travel position, to guarantee that slide block 8 has enough movement travels, strengthens and changes borehole wall diameter
Adaptability.
In the present embodiment, climbing the connection precision of wall unit for the ease of two set tripodias, key upper end is provided with boss 1a,
Lower end is provided with location hole 1b, boss 1a and is used for inserting location hole 1b and connects two groups of tripodias and climb wall unit, and i.e. two set tripodias climb wall list
During unit's series connection, boss 1a need to be inserted into location hole 1b.
The down-hole automatic centering detection device that this utility model provides, has the advantages that
1) slider-rocker mechanism is used, by controlling the moving displacement of slide block, it is achieved climb expansion and the Guan Bi of wall unit, with
Time, three supporting legs that each tripodia is climbed in wall unit are used in parallel, and single slide block controls the development rate of three supporting legs simultaneously
And angle, it is ensured that supporting leg all on same circular arc, with reach to climb the center of wall unit in real time with the center superposition being in the borehole wall；
2) in order to adapt to the borehole wall of different-diameter, respectively climb wall unit tripodia expanded diameter and there is the strongest adaptability, it is possible to
Diameter according to the borehole wall adjusts and climbs wall unit expanded diameter；The shift position of slide block determines the maximum expanded diameter of tripodia, climbs
The radius that opens of wall unit changes in the range of maximum expanded diameter；Three supporting legs are strained respectively by three stretching springs,
Realize, under different expanded diameter, there is certain pre-tensioning, keep climbing wall unit and contact with the borehole wall in real time；
3) supporting leg end is provided with roller, down-hole detection device rise or fall time so that two groups climb wall unit with
Frictional resistance between the borehole wall is transformed to rolling friction by sliding friction, reduces the resistance of motion of down-hole detection device.
This utility model by being equipped on device end by detecting devices, it is possible to achieve complete to downhole pipeline, pipe joint etc.
The scanning in orientation and measurement, reduce manual measurement, reduces the technology requirement to survey crew, also can be greatly improved meanwhile
Measure efficiency, and the technology contents of underground survey is relatively artificial the most accurately.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are also not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Within equivalent implementations or change should be included in protection domain of the present utility model.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.
Claims (5)
1. a down-hole automatic centering detection device, it is characterised in that climbed wall unit vertically by two groups of identical tripodias
Being in series, tripodia described in two groups climbs wall unit can self-movement；Described tripodia climb wall unit include three the most equal
The supporting leg of even distribution, described supporting leg end is provided with the roller for contacting with the borehole wall；Described supporting leg connects unwinder
Structure, described development mechanism, for automatically adjusting the deployment diameter of described supporting leg according to the diameter of the borehole wall, keeps described tripodia to climb
The center of wall unit and the centering of borehole wall center.
Automatic centering detection device in a kind of down-hole the most according to claim 1, it is characterised in that described development mechanism includes
Backbone, slider-rocker mechanism and stretching spring, described slider-rocker mechanism includes connecting rod, slide block and guide rod；Described stretching spring,
Connecting rod and guide rod and three supporting settings of described supporting leg；Described backbone is hinged with the root of described supporting leg by stub axle,
Described connecting rod is hinged with described supporting leg and slide block by time bearing pin and auxiliary bearing pin respectively；Described slide block is circumferentially uniformly provided with three
The groove that individual and described guide rod is slidably matched, described slide block can slide along three described guide rods；Described stretching spring connects described
Supporting leg and backbone.
Automatic centering detection device in a kind of down-hole the most according to claim 2, it is characterised in that described development mechanism also wraps
Including linear motion unit, described linear motion unit includes the nut can being slidably matched along described guide rod, and described nut passes through spiral shell
Stricture of vagina connects trapezoidal screw, and described trapezoidal screw connects driving motor by yielding coupling, and described driving motor will be for rotating
Motion is transferred to described trapezoidal screw, and described trapezoidal screw is used for driving described nut to move along a straight line along described guide rod.
Automatic centering detection device in a kind of down-hole the most according to claim 3, it is characterised in that described linear motion unit
Also include that limit switch, described limit switch electrically connect with described driving motor.
Automatic centering detection device in a kind of down-hole the most according to claim 4, it is characterised in that the upper end of described backbone sets
Having boss, lower end to be provided with hole, location, described boss is used for inserting hole, described location and connects tripodia described in two groups and climb wall unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459880.3U CN205778813U (en) | 2016-05-18 | 2016-05-18 | A kind of down-hole automatic centering detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459880.3U CN205778813U (en) | 2016-05-18 | 2016-05-18 | A kind of down-hole automatic centering detection device |
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| CN205778813U true CN205778813U (en) | 2016-12-07 |
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| CN201620459880.3U Active CN205778813U (en) | 2016-05-18 | 2016-05-18 | A kind of down-hole automatic centering detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909234A (en) * | 2016-05-18 | 2016-08-31 | 北京富地勘察测绘有限公司 | Automatic downhole centering detecting device |
| CN107255029A (en) * | 2017-08-10 | 2017-10-17 | 中国矿业大学(北京) | The expanding inspection instrument for borehole camera centralising device of one kind rotation and application method |
| CN110637146A (en) * | 2017-04-17 | 2019-12-31 | 斯伦贝谢技术有限公司 | Method for motion measurement of an instrument in a borehole |
| CN112727443A (en) * | 2021-01-07 | 2021-04-30 | 湖南奥成科技有限公司 | High-definition imaging device for large-aperture inclined shaft and vertical shaft |
-
2016
- 2016-05-18 CN CN201620459880.3U patent/CN205778813U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909234A (en) * | 2016-05-18 | 2016-08-31 | 北京富地勘察测绘有限公司 | Automatic downhole centering detecting device |
| CN110637146A (en) * | 2017-04-17 | 2019-12-31 | 斯伦贝谢技术有限公司 | Method for motion measurement of an instrument in a borehole |
| CN110637146B (en) * | 2017-04-17 | 2024-03-26 | 斯伦贝谢技术有限公司 | Method for motion measurement of instruments in a wellbore |
| CN107255029A (en) * | 2017-08-10 | 2017-10-17 | 中国矿业大学(北京) | The expanding inspection instrument for borehole camera centralising device of one kind rotation and application method |
| CN107255029B (en) * | 2017-08-10 | 2020-11-27 | 中国矿业大学(北京) | Camera centering device of rotary expanding borehole peeping instrument and use method |
| CN112727443A (en) * | 2021-01-07 | 2021-04-30 | 湖南奥成科技有限公司 | High-definition imaging device for large-aperture inclined shaft and vertical shaft |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100176 No. 7093, floor 7, building C, building 33, No. 99, Kechuang 14th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Fudi spatiotemporal information technology Co.,Ltd. Address before: 100160 No. 1005-24-101, Huihe South Street, Banbidian village, Gaobeidian Township, Chaoyang District, Beijing Patentee before: BEIJING FUDI SURVEY AND MAPPING CO.,LTD. |
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| CP03 | Change of name, title or address |