CN114075968A - Drilling peeping instrument - Google Patents
Drilling peeping instrument Download PDFInfo
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- CN114075968A CN114075968A CN202111357056.9A CN202111357056A CN114075968A CN 114075968 A CN114075968 A CN 114075968A CN 202111357056 A CN202111357056 A CN 202111357056A CN 114075968 A CN114075968 A CN 114075968A
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- leg
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- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 208000008918 voyeurism Diseases 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 abstract 1
- 244000144985 peep Species 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000006578 abscission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Accessories Of Cameras (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a drilling peeping instrument which comprises a peeping instrument body and a walking assembly connected with the peeping instrument body, wherein the walking assembly comprises a shell, a supporting leg mechanism, a driving mechanism and a rebounding mechanism; the supporting leg includes first landing leg, second landing leg and gyro wheel, and the both ends of resilience mechanism are connected with first landing leg and second landing leg respectively, and when the second landing leg received certain external force extrusion, the second landing leg was the second with first landing leg and predetermines the angle, and resilience mechanism is stretched, and when the second supported not received the exogenic action, the tensile second landing leg of resilience mechanism made the second landing leg reconversion. The drilling peeping instrument can be matched with holes of gears with various apertures, and the drilling peeping instrument is stable in advancing.
Description
Technical Field
The invention relates to the technical field of hole exploration, in particular to a drilling peeping instrument.
Background
The drilling peeping instrument is mainly applied to geological condition detection and evaluation in production construction such as coal mine production, roadway support design and the like, is used for observing coal seam structures, surrounding rock cracks and abscission layers, loosening zone ranges and roadway surrounding rock support or grouting reinforcement effects, and particularly can visually and clearly display observation of roof rock stratum structures of working surfaces through a display during roadway roof abscission layer observation of anchor net support.
The appearance size ratio is more single in drilling peeping instrument on the existing market, and when the appearance was peeped in the drilling that the size is less was used for surveying the great hole of aperture size, because the appearance was peeped in the drilling and moves along the hole diapire, and is far away from the hole roof, hardly obtains complete hole inner wall image. In addition, a common drilling peep instrument is generally a single-side pulley, and the running of the pulley is influenced when an obstacle exists in a hole.
Therefore, a new drilling speculum is needed to solve the above technical problems.
Disclosure of Invention
According to the embodiment of the invention, a scheme of the drilling peeping instrument is provided, so that the drilling peeping instrument can be matched with holes with various apertures.
In a first aspect of the embodiments of the present invention, there is provided a drilling speculum, including a speculum body and a walking assembly connected to the speculum body, wherein the speculum body has a predetermined length; the walking assembly comprises a shell, a supporting leg mechanism, a driving mechanism and a rebounding mechanism, the shell is sleeved on the periphery of the peeping instrument body, an arc-shaped groove is formed in the shell, the supporting leg mechanism comprises a plurality of supporting legs, the supporting legs are rotatably connected with the shell, the supporting legs are in an arc shape corresponding to the arc-shaped groove, the supporting legs are in an unfolded state and a folded state, when the supporting legs are in the unfolded state, the supporting legs rotate towards the outer side of the shell and form a first preset angle with the shell, and when the supporting legs are in the folded state, the supporting legs are located in the arc-shaped groove;
the driving mechanism is arranged between the speculum body and the shell, the supporting legs are connected to the driving mechanism, and the supporting legs can be switched between the unfolding state and the folding state under the action of the driving mechanism;
the supporting leg comprises a first supporting leg, a second supporting leg and a roller, wherein the first supporting leg is rotatably connected with the shell, the second supporting leg is rotatably connected with the first supporting leg, the roller is connected with the second supporting leg, two ends of the springback mechanism are respectively connected with the first supporting leg and the second supporting leg, when the second supporting leg is extruded by certain external force, the second supporting leg and the first supporting leg are at a second preset angle, the springback mechanism is stretched, and when the second supporting leg is not acted by external force, the springback mechanism stretches the second supporting leg, so that the second supporting leg is restored to the original state.
According to an aspect of an embodiment of the present invention, the driving mechanism includes a rotary handle, a connection ring, a first gear and a plurality of second gears, wherein the rotary handle and the first gear are annular structures, the rotary handle, the connecting ring and the first gear are all sleeved on the periphery of the peeping instrument body, the connecting ring is positioned between the shell and the peeping instrument body, the rotary handle is connected with the first gear through the connecting ring, the second gears are arranged on the shell and correspond to the supporting legs one by one, the supporting leg is connected with the shell through the second gear, the second gear is meshed with the first gear to rotate the rotary handle, the rotary handle drives the first gear to rotate through the connecting ring, and the first gear drives the supporting leg through the second gear so that the supporting leg is switched between the unfolding state and the folding state.
According to an aspect of the embodiments of the present invention, the supporting leg mechanism includes at least three supporting legs, and the supporting legs of the supporting leg mechanism are uniformly distributed on the outer circumferential surface of the housing; the supporting leg mechanisms comprise a plurality of groups, and the adjacent supporting leg mechanisms are distributed at intervals.
According to an aspect of an embodiment of the invention, the plurality of sets of support leg mechanisms are each driven by the driving mechanism.
According to an aspect of the embodiment of the present invention, the first leg has a hollow accommodating cavity, the resilient mechanism is disposed in the accommodating cavity, the resilient assembly includes a connecting cylinder, a spring, and a connecting rod, the connecting cylinder is movably connected to an inner wall of the first leg, the spring is disposed in the connecting cylinder, and the second leg and the spring are connected by the connecting rod.
According to an aspect of an embodiment of the invention, the arc groove depth is the same as the thickness of the support leg.
According to an aspect of the embodiment of the present invention, both ends of the housing are fixedly connected to the scope body.
According to an aspect of the embodiments of the present invention, the scope body includes a front camera and a rear camera, wherein the front camera is located at a front section of the scope body, and the rear camera is located on an outer circumferential surface of the scope body.
According to an aspect of an embodiment of the invention, the roller is a universal wheel.
According to an aspect of an embodiment of the present invention, the spring is in a stretched state when the second leg is pressed by a certain external force, and the spring is in a natural state when the second support is not applied by the external force.
According to the drilling peeping instrument provided by the embodiment of the invention, the plurality of supporting legs are arranged on the outer peripheral surface of the peeping instrument body, when the drilling peeping instrument works, the supporting legs can be unfolded through the driving mechanism to be in an unfolded state, the rollers of the supporting legs are in contact with the inner wall of the hole, the drilling peeping instrument is driven to advance in the hole, and the peeping instrument body is located at the central axis position of the hole at the moment and has a moderate distance with the inner wall of the hole, so that the peeping instrument body can obtain a clear and complete image of the inner wall of the hole. In addition, because the supporting leg includes first landing leg and second landing leg, first landing leg and second landing leg rotatable coupling, consequently, the supporting leg is at the in-process of marcing, when the place ahead had the barrier, the barrier is crossed in the bending of second landing leg to because be provided with resilient means between first landing leg and the second landing leg, when the barrier was crossed to the second landing leg, resilient means drive second landing leg reconversion continued with the contact of hole inner wall, in order to guarantee that drilling peeps the instrument and steadily advance.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
fig. 1 is a partial structural schematic diagram of a borehole speculum provided by an embodiment of the invention;
FIG. 2 illustrates a partial cross-sectional view of a borehole speculum provided by embodiments of the present invention;
FIG. 3 is a partial structural schematic diagram of a support leg in the borehole speculum provided by the embodiment of the invention;
fig. 4 is a partial structural view of the second leg of the borehole speculum of fig. 3 when bent.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
the peeping instrument comprises a peeping instrument body 10, a shell 20, an arc-shaped groove 21, a driving mechanism 30, a rotary handle 31, a connecting ring 32, a first gear 33, a second gear 34, a rebound mechanism 40, a connecting cylinder 41, a spring 42, a connecting rod 43, a supporting leg 50, a first supporting leg 51, a second supporting leg 52 and a roller 53.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The following description is given with reference to the orientation words as shown in the drawings, and is not intended to limit the specific structure of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
For better understanding of the present invention, a borehole speculum according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, a borehole speculum according to an embodiment of the present invention includes a speculum body 10 and a walking assembly connected to the speculum body 10, where the speculum body 10 has a predetermined length, and the number and size of cameras and other devices in the speculum body 10 having the predetermined length are determined, which is not specifically limited in the embodiment of the present invention.
The walking assembly comprises a shell 20, a supporting leg mechanism, a driving mechanism 30 and a rebounding mechanism 40, wherein the shell 20 is sleeved on the periphery of the peeping instrument body 10, and the inner diameter of the shell 20 can be slightly larger than the outer diameter of the peeping instrument body 10 so as to facilitate installation. The arc-shaped groove 21 is formed in the shell 20, the supporting leg mechanism comprises a plurality of supporting legs 50, the supporting legs 50 are rotatably connected with the shell 20, the supporting legs 50 are arc-shaped corresponding to the arc-shaped groove, the supporting legs 50 have an unfolding state and a folding state, when the supporting legs 50 are in the unfolding state, the supporting legs 50 rotate towards the outer side of the shell 20 and form a first preset angle with the shell 20, and the first preset angle can be set between 0 and 90 degrees. In addition, the first preset angle may be driven according to the inner diameter of the hole, so that the unfolded angle of the support legs 50 can be matched with the inner diameter of the hole.
When the support legs 50 are in the folded state, the support legs 50 are located within the arcuate slots 21. It can be understood that when the supporting leg 50 is in folded state, the supporting leg 50 is recovered to the arc-shaped groove 21, which is beneficial to reducing the whole volume of the drilling peeping instrument and is convenient to carry.
The driving mechanism 30 is provided between the scope body 10 and the housing 20, the support legs 50 are connected to the driving mechanism 30, the driving mechanism 30 is used for driving the support leg mechanism, and the support legs 50 can be switched between the unfolded state and the folded state under the action of the driving mechanism 30. It can be understood that when the drilling peep instrument is in a working state, the supporting legs 50 can be unfolded, and the supporting legs 50 are abutted against the inner wall of the hole to advance. When appearance non-operating condition is peeld in drilling, can fold supporting leg 50, conveniently carry.
The support leg 50 comprises a first support leg 51, a second support leg 52 and a roller 53, wherein the first support leg 51 is rotatably connected with the casing 20, the second support leg 52 is rotatably connected with the first support leg 51, the roller 53 is connected with the second support leg 52, two ends of the rebounding mechanism 40 are respectively connected with the first support leg 51 and the second support leg 52, when the second support leg 52 is extruded by a certain external force, the second support leg 52 and the first support leg 51 form a second preset angle, the second preset angle can be set between 0-180 degrees, the rebounding mechanism 40 is stretched, and when the second support is not subjected to the external force, the rebounding mechanism 40 stretches the second support leg 52 to restore the second support leg 52.
According to the drilling peeping instrument provided by the embodiment of the invention, the plurality of supporting legs 50 are arranged on the outer peripheral surface of the peeping instrument body 10, when the drilling peeping instrument works, the supporting legs 50 can be unfolded through the driving mechanism 30 to be in an unfolded state, the rollers 53 of the supporting legs 50 are in contact with the inner wall of the hole, and the drilling peeping instrument is driven to move in the hole, and the peeping instrument body 10 is positioned at the central axis position of the hole at the moment and has a moderate distance with the inner wall of the hole, so that the peeping instrument body 10 can obtain a clear and complete image of the inner wall of the hole. In addition, because supporting leg 50 includes first landing leg 51 and second landing leg 52, first landing leg 51 and second landing leg 52 rotatable coupling, consequently, supporting leg 50 is at the in-process, and when the front had the obstacle, second landing leg 52 buckles and crosses the obstacle to owing to be provided with resilient means 40 between first landing leg 51 and the second landing leg 52, when second landing leg 52 crossed the obstacle, resilient means 40 drove second landing leg 52 and resumes and continue to contact with the hole inner wall, in order to guarantee that the drilling peep instrument advances steadily.
In some optional embodiments, the driving mechanism 30 includes a rotary handle 31, a connecting ring 32, a first gear 33, and a plurality of second gears 34, where the rotary handle 31 and the first gear 33 are annular structures, the rotary handle 31, the connecting ring 32, and the first gear 33 are all sleeved on the periphery of the scope body 10, the connecting ring 32 is located between the housing 20 and the scope body 10, the length of the connecting ring 32 can rotate according to the length of the scope body 10, the rotary handle 31 and the first gear 33 are connected through the connecting ring 32, the second gears 34 are disposed on the housing 20, the second gears 34 are in one-to-one correspondence with the support legs 50, the support legs 50 are connected with the housing 20 through the second gears 34, the second gears 34 may be half gears, and the second gears 34 may be connected with the housing 20 through a connecting shaft. The second gear 34 is engaged with the first gear 33, the rotary handle 31 is rotated, the rotary handle 31 drives the first gear 33 to rotate through the connecting ring 32, and the first gear 33 drives the supporting leg 50 through the second gear 34, so that the supporting leg 50 is switched between the unfolded state and the folded state. The state of the supporting leg 50 is adjusted through the rotary handle 31, and the operation is simple.
It can be understood that a through hole is provided at the connection of the housing 10 and the second gear 34, and the second gear 34 is engaged with the first gear 33 in the housing 10 through the through hole.
In addition, the driving mechanism 30 may be provided with a locking mechanism, for example, a locking member such as a bolt may be provided on the knob 31, and the bolt may be rotated to abut against the scope body 10, thereby restricting the rotation of the knob 31, further restricting the angle between the support leg 50 and the housing 20, and preventing the support leg 50 from continuing to rotate.
In some embodiments, the handle 31 and the connection ring 32 may be a separate mechanism, fixed connection or detachable connection, and of course, in other embodiments, the handle 31 and the connection ring 32 may also be a single structure, thereby reducing the difficulty of molding.
In some optional embodiments, the supporting leg mechanism comprises at least three supporting legs 50, and the supporting legs 50 of the supporting leg mechanism are uniformly distributed on the outer circumferential surface of the casing 20 to improve the running stability of the drilling peep instrument. Specifically, the supporting leg mechanism may include three supporting legs 50, the three supporting legs 50 are uniformly spaced on the outer peripheral surface of the housing 20, and the stability of the three supporting legs 50 is high.
In some optional embodiments, the supporting leg mechanisms comprise multiple groups, and adjacent supporting leg mechanisms are distributed at intervals, so that the running stability of the drilling peeping instrument can be further increased. Optionally, the support leg mechanisms comprise two sets and are spaced apart from each other.
Further, the plural sets of the supporting leg mechanisms are all driven by the driving mechanism 30, so that the supporting legs 50 of the supporting leg mechanisms can be unfolded or folded at the same time and the angle of unfolding thereof is made the same. Specifically, when the supporting leg mechanisms are two sets, the driving mechanisms 30 may include two sets, and the two sets of driving mechanisms 30 may share the same rotating handle 31, that is, the two sets of driving mechanisms 30 are symmetrically distributed on two sides of the rotating handle 31, so that the two sets of supporting leg mechanisms are controlled to work simultaneously by the rotating handle 31.
In some alternative embodiments, the first leg 51 has a hollow accommodating cavity, the resilient mechanism 40 is disposed in the accommodating cavity, the resilient mechanism 40 includes a connecting cylinder 41, a spring 42 and a connecting rod 43, the connecting cylinder 41 is movably connected with the inner wall of the first leg 51, the spring 42 is disposed in the connecting cylinder 41, and the second leg 52 is connected with the spring 42 through the connecting rod 43. Locating the resilient mechanism 40 within the receiving cavity of the first leg 51 facilitates a reduction in volume.
Further, when the second leg 52 is pressed by a certain external force, the spring 42 is in a stretched state, and when the second support is not applied by the external force, the spring 42 is in a natural state. So that after the second leg 52 is bent and passes over the obstacle, the spring 42 can stretch the second leg 52 to restore the initial state of the second leg 52 to continue to slidingly engage with the inner wall of the hole.
In some optional embodiments, the depth of the arc-shaped groove 21 is the same as the thickness of the supporting leg 50, so that when the supporting leg 50 is in a folded state, the supporting leg 50 is just embedded into the arc-shaped groove 21, the outer peripheral surface of the shell 10 and the outer side surface of the supporting leg 50 are located on the same arc-shaped surface, and the size is favorably reduced.
In some alternative embodiments, the two ends of the housing 20 are fixedly connected to the scope body 10, and the rotation handle 31 can prevent the housing 10 from rotating along with the rotation handle 31 when rotating. Alternatively, the housing 20 may include two parts, wherein the handle 31 is clamped between the two parts of the housing 20 to limit the movement of the handle 31 along the length direction of the scope body 10, so that the handle 31 can only rotate. Of course, in order to reduce the rotation resistance of the knob 31, the knob 31 and the scope body 10 may be connected by a bearing member. In addition, a bearing bracket may be provided between the first gear 33 and the scope body 10 to reduce the rotational resistance of the first gear 33.
In some optional embodiments, the peeking instrument body 10 includes a front camera and a rear camera, wherein the front camera is located at the front section of the peeking instrument body 10, the rear camera is located on the outer peripheral surface of the peeking instrument body 10, and the two cameras can comprehensively observe the inner diameter of the hole, so as to obtain a complete hole image.
In some alternative embodiments, the roller 53 is a universal wheel that ensures that the drill speculum can not only move laterally, but also rotate within the bore.
It should be noted that the walking assembly in the embodiment of the present invention may be manually driven, for example, a multi-section connecting rod is disposed at the rear end of the scope body 10, and the length of the connecting rod is manually controlled to drive the drilling scope to move. In addition, the walking assembly can be driven to move by a driving mechanism such as a motor, for example, the roller 53 below the second supporting leg 52 can be connected with the motor, so that the drilling peeping instrument can automatically advance.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A drilling speculum is characterized by comprising a speculum body and a walking assembly connected with the speculum body, wherein the speculum body has a preset length; the walking assembly comprises a shell, a supporting leg mechanism, a driving mechanism and a rebounding mechanism, the shell is sleeved on the periphery of the peeping instrument body, an arc-shaped groove is formed in the shell, the supporting leg mechanism comprises a plurality of supporting legs, the supporting legs are rotatably connected with the shell, the supporting legs are in an arc shape corresponding to the arc-shaped groove, the supporting legs are in an unfolded state and a folded state, when the supporting legs are in the unfolded state, the supporting legs rotate towards the outer side of the shell and form a first preset angle with the shell, and when the supporting legs are in the folded state, the supporting legs are located in the arc-shaped groove;
the driving mechanism is arranged between the speculum body and the shell, the supporting legs are connected to the driving mechanism, and the supporting legs can be switched between the unfolding state and the folding state under the action of the driving mechanism;
the supporting leg comprises a first supporting leg, a second supporting leg and a roller, wherein the first supporting leg is rotatably connected with the shell, the second supporting leg is rotatably connected with the first supporting leg, the roller is connected with the second supporting leg, two ends of the springback mechanism are respectively connected with the first supporting leg and the second supporting leg, when the second supporting leg is extruded by certain external force, the second supporting leg and the first supporting leg are at a second preset angle, the springback mechanism is stretched, and when the second supporting leg is not acted by external force, the springback mechanism stretches the second supporting leg, so that the second supporting leg is restored to the original state.
2. The drilling speculum of claim 1, wherein the driving mechanism comprises a rotary handle, a connecting ring, a first gear and a plurality of second gears, wherein the rotary handle and the first gear are annular structures, the rotary handle, the connecting ring and the first gear are all sleeved on the periphery of the speculum body, the connecting ring is located between the housing and the speculum body, the rotary handle and the first gear are connected through the connecting ring, the second gears are arranged on the housing, the second gears are in one-to-one correspondence with the support legs, the support legs are connected with the housing through the second gears, the second gears are meshed with the first gears, the rotary handle is rotated, the rotary handle drives the first gears to rotate through the connecting ring, and the first gears are driven by the second gears to drive the support legs, to switch the support legs between the unfolded state and the folded state.
3. The drilling speculum of claim 1, wherein the support leg mechanism comprises at least three support legs, the support legs of the support leg mechanism being evenly distributed over the outer peripheral surface of the housing;
the supporting leg mechanisms comprise a plurality of groups, and the adjacent supporting leg mechanisms are distributed at intervals.
4. The borehole speculum of claim 3, wherein the plurality of sets of support leg mechanisms are each driven by the drive mechanism.
5. The drilling speculum of claim 1, wherein the arcuate groove depth is the same as the thickness of the support leg.
6. The borehole speculum of claim 1, wherein the first leg has a hollow receiving cavity, the resilient mechanism is disposed within the receiving cavity, the resilient assembly comprises a connector barrel movably connected to an inner wall of the first leg, a spring disposed within the connector barrel, and a connecting rod through which the second leg and the spring are connected.
7. The borehole speculum of claim 6, wherein the spring is in tension when the second leg is compressed by an external force and is in a natural state when the second support is not subjected to the external force.
8. The drilling speculum of claim 1, wherein both ends of the housing are fixedly connected to the speculum body.
9. The borehole speculum of claim 1 or 8, wherein the speculum body comprises a front camera and a rear camera, wherein the front camera is located at the front section of the speculum body and the rear camera is located on the outer circumferential surface of the speculum body.
10. The borehole speculum of claim 1, wherein the roller is a universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357056.9A CN114075968B (en) | 2021-11-16 | 2021-11-16 | Drilling peeping instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357056.9A CN114075968B (en) | 2021-11-16 | 2021-11-16 | Drilling peeping instrument |
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| CN114075968A true CN114075968A (en) | 2022-02-22 |
| CN114075968B CN114075968B (en) | 2024-05-14 |
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| CN112963661A (en) * | 2021-03-05 | 2021-06-15 | 郑州科技学院 | Intelligent detection device based on automation |
| CN113357332A (en) * | 2021-06-01 | 2021-09-07 | 贵州大学 | Non-equal-diameter vertical pipeline robot with improved climbing performance |
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| CN107131391A (en) * | 2017-07-19 | 2017-09-05 | 四川农业大学 | A kind of adaptive screwdriven pipe robot |
| CN107270026A (en) * | 2017-08-08 | 2017-10-20 | 浙江海洋大学 | A kind of mobile device for gas pipeline crusing robot |
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| CN114075968B (en) | 2024-05-14 |
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