CN219181618U - Device for improving stability of photographing optical probe in foundation pile hole - Google Patents
Device for improving stability of photographing optical probe in foundation pile hole Download PDFInfo
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- CN219181618U CN219181618U CN202223590344.1U CN202223590344U CN219181618U CN 219181618 U CN219181618 U CN 219181618U CN 202223590344 U CN202223590344 U CN 202223590344U CN 219181618 U CN219181618 U CN 219181618U
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Abstract
The embodiment of the utility model discloses a device for improving the stability of an imaging optical probe in a foundation pile hole, which comprises a gravity rod, a centralizer for stably maintaining the gravity rod and the optical probe at the middle position of the foundation pile hole, and a damping piece for slowing down the rotation of the optical probe in water in the foundation pile hole; the centralizer and the damping piece are arranged on the gravity rod, and the optical probe is fixed at the bottom of the gravity rod. The utility model solves the problem that the optical probe in the foundation pile hole is easy to shake and rotate, so that the result of shooting the image is more accurate and precise.
Description
Technical Field
The utility model relates to the technical field of shooting in a foundation pile hole, in particular to a device for improving stability of an optical shooting probe in the foundation pile hole.
Background
The in-hole shooting technology is a detection method for shooting and observing the hole wall of the foundation pile hole by adopting the shooting technology and identifying the defects of the pile body and the positions and the degrees of the defects.
However, the current foundation pile in-hole imaging technology generally has the following significant drawbacks: (1) The optical probe can easily rotate under water in the foundation pile hole, and the in-hole photographing technology automatically or manually places the optical probe into the hole bottom of the foundation pile hole by using a special petroleum logging cable according to the principle of gravity, so that the optical probe can be simply regarded as a simple pendulum system in a small range. The special petroleum logging cable is a flexible rope, has small rigidity, has longer length of the cable in the foundation pile hole, is easy to rotate in the foundation pile hole, and is easy to cause the rotation of the optical probe under water, so that the rotation and displacement of the imaging result in the hole are caused; (2) The optical probe is easy to be close to the hole wall under water and easy to shake, so that the optical probe is close to the hole wall and moves downwards, vertical scratches appear on a photographed image in the hole, and the brightness of an image result is uneven; (3) The problem of fuzzy or shift of the shooting result in the hole of the defect part is caused by the fact that the optical probe is easily rotated at the defect part of the foundation pile hole or the contact part of the concrete entering the rock due to the defect or the fact that the concrete is not directly inserted into the rock.
Therefore, how to design a fixing device for an in-hole camera probe of a foundation pile, which is used for solving the problem that an optical probe in the existing in-hole camera technology is easy to shake and rotate, and improving the accuracy and the precision of an in-hole camera image result is a technical problem to be solved by a person in the field.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a device for improving the stability of an optical probe for shooting in a foundation pile hole, and aims to solve the problem that the optical probe is easy to shake and rotate in the shooting technology in the foundation pile hole.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the device for improving the stability of the photographing optical probe in the foundation pile hole comprises a gravity rod, a centralizer for stably maintaining the gravity rod and the optical probe in the middle position of the foundation pile hole, and a damping piece for slowing down the rotation of the optical probe in water in the foundation pile hole; the centralizer and the damping piece are arranged on the gravity rod, and the optical probe is fixed at the bottom of the gravity rod.
The further technical scheme is as follows: at least two centralizers are arranged on the gravity rod, wherein one centralizer is arranged close to the top of the gravity rod, and the other centralizer is arranged close to the bottom of the gravity rod.
The further technical scheme is as follows: the centralizer includes a body; the main body is provided with a plurality of water passing holes with the same angle or different angles in a penetrating way.
The further technical scheme is as follows: and the periphery of the main body is provided with a sawtooth structure so as to reduce friction between the centralizer and the wall of the foundation pile hole.
The further technical scheme is as follows: the main body is provided with a mounting hole, and the centralizer is sleeved on the gravity rod through the mounting hole.
The further technical scheme is as follows: the centralizer is made of plastic materials.
The further technical scheme is as follows: the damping piece comprises a fixed part and a flexible part consisting of a plurality of flexible strips; one end of the flexible strip-shaped object is fixedly connected with the fixing part, and the other end of the flexible strip-shaped object is in a free state.
The further technical scheme is as follows: the fixed part is fixedly connected with the side wall of the gravity rod, and the length direction of the fixed part is parallel to the length direction of the gravity rod.
The further technical scheme is as follows: the gravity rod is characterized by further comprising an annular fixing piece sleeved on the gravity rod, and the fixing part is clamped and fixed between the annular fixing piece and the gravity rod.
The further technical scheme is as follows: the annular fixing piece is a clamp spring.
Compared with the prior art, the utility model has the beneficial effects that: the centering guide device comprises a gravity rod, wherein the centering guide device is arranged on the gravity rod, the centering guide device can stably maintain the gravity rod and the optical probe at the middle position of the foundation pile hole, the optical probe is prevented from contacting with the wall of the foundation pile hole, the damping piece can generate resistance with water so as to slow down the rotation of the optical probe in the water in the foundation pile hole, the problem that the optical probe in the foundation pile hole is easy to shake and rotate is solved, and the result of shooting an image is more accurate and accurate.
The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a device for improving stability of an optical probe for photographing in a foundation pile hole according to an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of a centralizer in a device for improving stability of an optical probe for photographing in a pile hole according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a damping member in a device for improving stability of an optical probe for shooting in a pile hole according to an embodiment of the present utility model.
Reference numerals
1. A gravity bar; 2. a centralizer; 21. a main body; 211. a water passing hole; 212. a saw tooth structure; 213. a mounting hole; 3. a damping member; 31. a fixing part; 32. a flexible portion; 321. a flexible strip; 100. a foundation pile hole; 200. an optical probe; 300. and (3) a cable.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The embodiment of the utility model provides a device for improving the stability of an imaging optical probe in a foundation pile hole, which is mainly applied to the imaging scene in the foundation pile hole 100, and is also applicable to other imaging scenes in holes similar to the foundation pile hole 100.
As shown in fig. 1 to 3, an apparatus for improving stability of an image pickup optical probe in a foundation pile hole comprises a gravity bar 1, a centralizer 2 for stably maintaining the gravity bar 1 and the optical probe 200 at an intermediate position of the foundation pile hole 100, and a damper 3 for slowing down rotation of the optical probe 200 in water in the foundation pile hole 100; the centralizer 2 and the damper 3 are mounted on the gravity bar 1, and the optical probe 200 is fixed to the bottom of the gravity bar 1.
In practice, as shown in fig. 1, the optical probe 200 is located in the pile hole 100, the gravity rod 1 is provided with a through hole for the cable 300 to pass through, and the lower end of the cable 300 passes through the through hole to be connected with the connection end of the optical probe 200. Since the centralizer 2 is designed, the centralizer 2 occupies the space in the horizontal direction of the portion between the wall of the foundation pile hole 100 and the optical probe 200 and the gravity bar 1, so that the centralizer 2 makes the gravity plate and the optical probe 200 not directly touch the wall of the foundation pile hole 100. The length of the portion of the centralizer 2 between the hole wall and the optical probe 200 and the gravity bar 1 in the horizontal direction may be set according to practical circumstances, for example, the length of the portion may be slightly smaller than the distance between the hole wall and the optical probe 200 and the gravity bar 1, and for example, the length of the portion is three-fourths of the distance. The length of the portion should not be set too small, and at least the length of the portion occupies half or more of the distance.
The damping member 3 has a function similar to the blocking function of water grass in river water to slow down or block the scouring of water flow, the damping member 3 mainly increases the contact area with water, the rotation of the optical probe 200 is slowed down by virtue of the resistance generated between the damping member 3 and the water, and the damping member 3 can be set to a proper number according to the depth of the foundation pile hole 100.
Preferably, as shown in fig. 1, at least two centralizers 2 are mounted on the gravity bar 1, one centralizer 2 being mounted near the top of the gravity bar 1 and the other centralizer 2 being mounted near the bottom of the gravity bar 1. The purpose of this design is to adequately secure the gravity bar 1 and the optical probe 200 in the middle position of the pile hole 100.
In one embodiment, as shown in FIG. 2, the centralizer 2 includes a body 21; the main body 21 is provided with a plurality of water passing holes 211 having the same angle or different angles.
The water holes 211 are provided to facilitate water flow through the centralizer 2 to reduce damping of the centralizer 2 during descent within the foundation pile hole 100.
The size of the water passing hole 211 can be designed according to the size of the main body 21, and the shape of the water passing hole 211 can be circular, triangular, etc., which is not limited in this application.
In one embodiment, as shown in FIG. 2, the periphery of the body 21 is provided with serrations 212 to reduce friction between the centralizer 2 and the wall of the foundation pile bore 100.
The main body 21 may be cylindrical, spherical, rectangular, square, etc., and the saw tooth structures 212 are uniformly distributed on the outer surface of the main body 21. Of course, the fixing position of the sawtooth structure 212 needs to avoid the water passing hole 211, so as to avoid shielding the water passing hole 211.
In order to facilitate the installation of the centralizer 2, the main body 21 is provided with an installation hole 213, and the centralizer 2 is sleeved on the gravity rod 1 through the installation hole 213.
Preferably, the centralizer 2 is made of plastic materials, more preferably, the centralizer 2 is made of soft rubber materials, and is manufactured in an integrally-formed processing mode, so that the manufacturing cost is lower.
In one embodiment, as shown in fig. 3, the damping member 3 includes a fixing portion 31 and a flexible portion 32 composed of a plurality of flexible strips 321; one end of the flexible strip 321 is fixedly connected with the fixing portion 31, and the other end is in a free state.
In this embodiment, the fixing portion 31 has a ring-shaped structure, the fixing portion 31 is sleeved on the gravity rod 1, and the length direction of the fixing portion 31 is parallel to the length direction of the gravity rod 1. The side of the fixing portion 31 away from the gravity bar 1 serves as a connection portion with the flexible portion 32, and since the flexible portion 32 is formed by the flexible strip 321, the flexible strip 321 can be connected and fixed by adopting an adhesive manner for convenience of fixing.
The number of the damping members 3 to be installed may be dependent on the actual demand, and in the present embodiment, as shown in fig. 1, three damping members 3 are arranged.
Preferably, the centralizer 2 is manufactured from soft rubber, plastic or hardened animal hair.
In an embodiment, a device for improving stability of the photographing optical probe in the pile hole further comprises an annular fixing member sleeved on the gravity rod 1, and the fixing portion 31 is clamped and fixed between the annular fixing member and the gravity rod 1.
In this embodiment, the upper and lower ends of the fixing portion 31 are clamped between the ring-shaped fixing member and the gravity bar 1, and the ring-shaped fixing member is locked and fixed by bolts and nuts. Of course, the annular fixing piece can be reused, and the annular fixing piece can be detached by detaching the bolts and nuts.
Preferably, the annular fixing member is a snap spring.
The centering guide device comprises a gravity rod, wherein the centering guide device is arranged on the gravity rod, the centering guide device can stably maintain the gravity rod and the optical probe at the middle position of the foundation pile hole, the optical probe is prevented from contacting with the wall of the foundation pile hole, the damping piece can generate resistance with water so as to slow down the rotation of the optical probe in the water in the foundation pile hole, the problem that the optical probe in the foundation pile hole is easy to shake and rotate is solved, and the result of shooting an image is more accurate and accurate.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The device for improving the stability of the photographing optical probe in the foundation pile hole is characterized by comprising a gravity rod, a centralizer for stably maintaining the gravity rod and the optical probe in the middle position of the foundation pile hole, and a damping piece for slowing down the rotation of the optical probe in water in the foundation pile hole; the centralizer and the damping piece are arranged on the gravity rod, and the optical probe is fixed at the bottom of the gravity rod.
2. The apparatus for improving the stability of an in-pile borehole camera optical probe of claim 1, wherein at least two of said centralizers are mounted on said gravity bar, one of said centralizers being mounted proximate to the top of said gravity bar and the other of said centralizers being mounted proximate to the bottom of said gravity bar.
3. The apparatus for improving the stability of an in-pile borehole camera optical probe according to claim 1, wherein the centralizer comprises a main body; the main body is provided with a plurality of water passing holes with the same angle or different angles in a penetrating way.
4. A device for improving the stability of an in-pile-hole camera optical probe according to claim 3, wherein the periphery of the main body is provided with a saw tooth structure to reduce friction between the centralizer and the wall of the pile hole.
5. A device for improving the stability of an image pickup optical probe in a foundation pile hole according to claim 3, wherein the main body is provided with a mounting hole, and the centralizer is sleeved on the gravity rod through the mounting hole.
6. The device for improving the stability of an in-pile-hole camera optical probe according to claim 1, wherein the centralizer is made of plastic materials.
7. The apparatus for improving stability of an in-pile-hole camera optical probe according to claim 1, wherein the damping member comprises a fixed portion and a flexible portion composed of a plurality of flexible strips; one end of the flexible strip-shaped object is fixedly connected with the fixing part, and the other end of the flexible strip-shaped object is in a free state.
8. The apparatus for improving stability of an in-pile hole camera optical probe according to claim 7, wherein the fixing portion is fixedly connected to a side wall of the gravity rod, and a length direction of the fixing portion is parallel to a length direction of the gravity rod.
9. The device for improving the stability of an imaging optical probe in a pile hole according to claim 8, further comprising an annular fixing member sleeved on the gravity rod, wherein the fixing portion is clamped and fixed between the annular fixing member and the gravity rod.
10. The apparatus for improving the stability of an in-pile-hole camera optical probe according to claim 9, wherein the annular fixing member is a clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223590344.1U CN219181618U (en) | 2022-12-28 | 2022-12-28 | Device for improving stability of photographing optical probe in foundation pile hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223590344.1U CN219181618U (en) | 2022-12-28 | 2022-12-28 | Device for improving stability of photographing optical probe in foundation pile hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219181618U true CN219181618U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223590344.1U Active CN219181618U (en) | 2022-12-28 | 2022-12-28 | Device for improving stability of photographing optical probe in foundation pile hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219181618U (en) |
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2022
- 2022-12-28 CN CN202223590344.1U patent/CN219181618U/en active Active
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