CN220909676U - Automatic centering device in probe well - Google Patents
Automatic centering device in probe well Download PDFInfo
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- CN220909676U CN220909676U CN202322945009.7U CN202322945009U CN220909676U CN 220909676 U CN220909676 U CN 220909676U CN 202322945009 U CN202322945009 U CN 202322945009U CN 220909676 U CN220909676 U CN 220909676U
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- 239000000523 sample Substances 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 21
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- 230000007480 spreading Effects 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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Abstract
The utility model discloses an automatic centering device in a probe well, which comprises a main arm, wherein a probe head is arranged at the center of the main arm in a penetrating way; the two ends of the main arm are movably provided with expanding arms along the same length direction, one end of each expanding arm far away from the main arm is provided with a mounting frame, the mounting frame is perpendicular to the expanding arms, and the mounting frame is provided with a travelling wheel and a travelling driving mechanism for driving the travelling wheel to rotate; the screw rod is rotatably arranged on one surface of the main arm, which is far away from the fixed blocks, a spreading driving mechanism for driving the screw rod to rotate is arranged on the main arm, a pair of sleeve arms are arranged on the spreading arms, the sleeve arms are respectively in sliding butt joint with two opposite surfaces of the main arm, and one sleeve arm is in threaded sleeve joint with the screw rod. The utility model can support the probe head in the well in the center and move in the well in the center state, thereby creating favorable conditions for wave velocity test.
Description
Technical Field
The utility model relates to the technical field, in particular to an automatic centering device in a probe well.
Background
The wave velocity test is suitable for measuring the wave velocity of compression waves, shear waves or Rayleigh waves of various rock and soil bodies, is more useful for analysis of stratum reaction, such as natural foundations, often non-homogeneous soil bodies with a multi-layer structure instead of single homogeneous soil bodies, and in order to solve the space layering change condition of foundation soil layers, a geophysical method such as wave velocity logging is necessary to provide rock and soil dynamics parameters related to the wave velocity, calculate the shear modulus of the soil layers, know the weak stratum of the foundation, analyze the type of foundation soil and the type of building site, perform earthquake reaction calculation of earthquake soil and the like. When the ground vibration source is excited to generate a shear wave signal, the shear wave signal is emitted from the vibration source to pass through stratum medium and reach the detector in the underground three-component probe, the vibration signal of the earthquake is converted into an electric signal through electromechanical conversion, in order to ensure that the test result is effective, when encountering a large-caliber well to be tested, the shear wave probe needs to be automatically adjusted to be in a centering state, at the moment, a centering supporting device is needed,
In the prior art, the utility model with the application number of 202020323476.X discloses a wire rope centering device for gas storage well detection, the centering device is fixed by utilizing a limiting column on a centering rod to be placed into a hole of a flange plate of a well head, and a long strip hole is formed in the center of the far end of the centering rod for adjusting the position of the limiting column, so that the fixing radius of the centering device can be adjusted in a large range, and the centering device is suitable for wellhead change in a large range, and is convenient and flexible to install and adjust, however, the prior art can only perform centering support at an inlet, and the centering support of a probe is difficult to realize when the probe needs to stretch into an inward movement for detection.
Disclosure of utility model
The utility model aims to provide an automatic centering device in a probe well, which can support a probe head in the well in a centering manner and move in the well in a centering state, thereby creating favorable conditions for wave velocity testing.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The automatic centering device in the probe well comprises a main arm, wherein a detection head is arranged at the center of the main arm in a penetrating way;
The two ends of the main arm are movably provided with expanding arms along the same length direction, one end of each expanding arm far away from the main arm is provided with a mounting frame, the mounting frame is perpendicular to the expanding arms, and the mounting frame is provided with a travelling wheel and a travelling driving mechanism for driving the travelling wheel to rotate;
The screw rod is rotatably arranged on one surface of the main arm, which is far away from the fixed blocks, a spreading driving mechanism for driving the screw rod to rotate is arranged on the main arm, a pair of sleeve arms are arranged on the spreading arms, the sleeve arms are respectively in sliding butt joint with two opposite surfaces of the main arm, and one sleeve arm is in threaded sleeve joint with the screw rod.
Preferably, the travelling driving mechanism comprises a driven gear and a driving gear which are rotatably arranged on a mounting frame, the driven gear and the driving gear are meshed with each other, and a second motor for driving the driving gear to rotate is fixed on the mounting frame.
Preferably, the expanding driving mechanism comprises a first motor fixed in the middle of the main arm, a second bevel gear is arranged on an output shaft of the first motor, a pair of first bevel gears are rotatably arranged on opposite sides of the fixed block, the first bevel gears are respectively connected with two screw rods, and the first bevel gears and the second bevel gears are meshed together.
Preferably, a balancing weight is fixed on one side of the main arm opposite to the screw rod, a guide rod is movably arranged on the balancing weight in a penetrating mode, and two ends of the guide rod are in sliding sleeve joint with the corresponding sleeve arms.
Preferably, the end of the expanding arm far away from the main arm is movably penetrated with a buffer arm along the same length direction, the mounting frame is fixed at the end of the buffer arm extending out of the expanding arm, and a spring is arranged between the end of the buffer arm extending into the expanding arm and the inner end wall of the expanding arm.
Preferably, an end plate is fixed at one end of the buffer arm extending into the expanding arm, and the end plate is in sliding fit with the inner wall of the expanding arm.
Preferably, the mounting frame is provided with at least one pair of auxiliary wheels, and the auxiliary wheels are symmetrically arranged on two sides of the travelling wheel.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the main arm is placed in the well by penetrating the detecting head at the center of the main arm, the two screw rods are driven to synchronously rotate by the expanding driving mechanism, the two screw rods are matched with the screw threads of the sleeve arms to push the two expanding arms to be away from each other, the mounting frame is driven to be away from the main arm and close to the well wall until the travelling wheel and the auxiliary wheel are contacted with the well wall, so that the main arm and the expanding arms are supported along the diameter direction of the cross section of the well, the detecting head is centered in the well, the purpose of centering support of the detecting head is achieved, convenience is provided for wave velocity test, the whole structure is simple, and the operation and control are easier.
According to the utility model, through the arrangement of the travelling wheels, the travelling wheels are driven by the travelling driving mechanism to roll along the inner wall of the well, the auxiliary wheels assist in supporting the mounting frame to stably travel by the travelling wheels, so that the device and the detecting head travel in the well, the detecting head is always in a centering state in the travelling process, thereby creating favorable conditions for wave velocity test, and in addition, the mounting frame has elastic buffering performance by using the elastic support of the spring to the buffering arm, so that the mounting frame can be adapted to the rugged well wall.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of the expanding driving mechanism of the present utility model;
FIG. 3 is a schematic view of the structure of the expanding arm of the present utility model;
FIG. 4 is a schematic view of the structure of the mounting frame of the present utility model;
FIG. 5 is a schematic view of the internal structure of the spreader arm of the present utility model.
In the figure: 1. a main arm; 2. a spreader arm; 3. a mounting frame; 4. a travelling wheel; 5. a travel drive mechanism; 6. a probe; 7. a fixed block; 8. a screw rod; 9. a spread driving mechanism; 10. sleeving the arm; 11. a first bevel gear; 12. a first motor; 13. a second bevel gear; 14. a guide rod; 15. balancing weight; 16. a buffer arm; 17. an auxiliary wheel; 18. a driven gear; 19. a drive gear; 20. a second motor; 21. an end plate; 22. and (3) a spring.
Detailed Description
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1 to 5, the present utility model preferably provides the following technical solutions: an automatic centering device in a probe well comprises a main arm 1, wherein a probe head 6 is arranged at the center of the main arm 1 in a penetrating way; the two ends of the main arm 1 are movably provided with a spreading arm 2 along the same length direction, a pair of fixing blocks 7 are fixed at the middle position of the main arm 1, a screw rod 8 is rotatably arranged on one surface of the pair of fixing blocks 7, which is far away from each other, a spreading driving mechanism 9 for driving the screw rod 8 to rotate is arranged on the main arm 1, a pair of sleeve arms 10 are arranged on the spreading arm 2 and are respectively in sliding butt joint with two opposite surfaces of the main arm 1, one sleeve arm 10 is in threaded sleeve joint with the screw rod 8, the two screw rods 8 are driven to rotate by the spreading driving mechanism 9, and the corresponding sleeve arms 10 are synchronously driven to push the two spreading arms 2 to be far away from each other while the two screw rods 8 rotate.
In this embodiment, the expanding driving mechanism 9 includes a first motor 12 fixed in the middle of the main arm 1, a second bevel gear 13 is provided on an output shaft of the first motor 12, a pair of first bevel gears 11 are rotatably installed on opposite sides of the pair of fixed blocks 7, the pair of first bevel gears 11 are respectively connected with two screw rods 8, the pair of first bevel gears 11 are meshed with the second bevel gear 13 together, the first motor 12 is started to drive the second bevel gear 13 to rotate, and the second bevel gear 13 drives the pair of first bevel gears 11 to drive the two screw rods 8 to synchronously rotate, so as to realize expanding of the two expanding arms 2.
Further, a balancing weight 15 is fixed on one side of the main arm 1 opposite to the screw rod 8, a guide rod 14 is movably arranged on the balancing weight 15 in a penetrating manner, two ends of the guide rod 14 are in sliding sleeve joint with the corresponding sleeve arms 10, the guide rod 14 is in sliding sleeve joint with the sleeve arms 10 and used for guiding and limiting the expanding support arms 2, and the balancing weight 15 is symmetrical to the first motor 12 so that the main arm 1 is balanced.
In a further embodiment, a mounting frame 3 is mounted at one end of the expanding arm 2 far away from the main arm 1, the mounting frame 3 is perpendicular to the expanding arm 2, a travelling wheel 4 and a travelling driving mechanism 5 for driving the travelling wheel 4 to rotate are mounted on the mounting frame 3, the travelling wheel 4 contacts with a well wall when the expanding arm 2 expands and is driven to rotate by the travelling driving mechanism 5, the travelling wheel 4 can roll along the well wall, and the probe 6 can travel in the well in a centered state. The travelling driving mechanism 5 comprises a driven gear 18 and a driving gear 19 which are rotatably arranged on the mounting frame 3, the driven gear 18 and the driving gear 19 are meshed with each other, a second motor 20 for driving the driving gear 19 to rotate is fixed on the mounting frame 3, the second motor 20 is started to drive the driving gear 19 to rotate, the driving gear 19 drives the driven gear 18 to rotate, and the driven gear 18 can drive the travelling wheel 4 to roll along the inner wall of the well. At least a pair of auxiliary wheels 17 are arranged on the mounting frame 3, the auxiliary wheels 17 are symmetrically arranged on two sides of the travelling wheel 4, and the auxiliary wheels 17 can assist in supporting the mounting frame 3 to stably travel by utilizing the travelling wheel 4.
In a further embodiment, the end of the expanding arm 2 far away from the main arm 1 is movably provided with the buffer arm 16 in a penetrating manner along the same length direction, the mounting frame 3 is fixed at the end of the buffer arm 16 extending out of the expanding arm 2, the spring 22 is arranged between the end of the buffer arm 16 extending into the expanding arm 2 and the inner end wall of the expanding arm 2, the elastic support of the spring 22 to the buffer arm 16 is utilized, the mounting frame 3 has elastic buffer performance, and the buffer performance can be corresponding to the rugged well wall in the rolling travelling process of the travelling wheel 4 along the well wall. An end plate 21 is fixed at one end of the buffer arm 16 extending into the expanding arm 2, and the end plate 21 is in sliding fit with the inner wall of the expanding arm 2 and used for limiting and guiding the buffer arm 16.
When the automatic centering device in the probe well is used, the probe head 6 is connected with a signal collecting device in a line, the main arm 1 is placed in the well, the first motor 12 is started to drive the second bevel gear 13 to rotate, the second bevel gear 13 drives the pair of first bevel gears 11 to drive the two screw rods 8 to synchronously rotate, the corresponding sleeve arms 10 are synchronously driven to drive the two expanding arms 2 to be away from each other while the two screw rods 8 rotate, in this way, the mounting frame 3 is away from the main arm 1 and is close to the well wall until the travelling wheel 4 and the auxiliary wheel 17 are in contact with the well wall, therefore, the main arm 1 and the expanding arms 2 are supported along the diameter direction of the cross section of the well, the probe head 6 is centered in the well, the second motor 20 is started to drive the driving gear 19 to rotate, the driven gear 18 is driven to rotate, the driven gear 18 drives the travelling wheel 4 to roll along the inner wall of the well, the auxiliary wheel 17 is used for assisting in supporting the mounting frame 3 to stably travel by the travelling wheel 4, and therefore the device and the probe head 6 are going in the well, and the probe head 6 is always in a centering state in the travelling process, and favorable conditions are created for wave speed test. Further, the spring 22 is utilized to elastically support the buffer arm 16, so that the mounting frame 3 has elastic buffer performance to adapt to the rugged well wall.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.
The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.
The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (7)
1. The utility model provides an automatic centering device in probe well, includes main arm (1), main arm (1) department of centering wears to be equipped with probe (6), its characterized in that:
The two ends of the main arm (1) are movably provided with an expanding arm (2) along the same length direction, one end of the expanding arm (2) far away from the main arm (1) is provided with a mounting frame (3), the mounting frame (3) is perpendicular to the expanding arm (2), and the mounting frame (3) is provided with a traveling wheel (4) and a traveling driving mechanism (5) for driving the traveling wheel (4) to rotate;
The device is characterized in that a pair of fixing blocks (7) are fixed at the middle position of the main arm (1), a pair of screw rods (8) are rotatably arranged on one surfaces, away from each other, of the fixing blocks (7), a support expansion driving mechanism (9) for driving the screw rods (8) to rotate is arranged on the main arm (1), a pair of sleeve arms (10) are arranged on the support expansion arm (2), the sleeve arms (10) are respectively in sliding butt with two opposite surfaces of the main arm (1), and one sleeve arm (10) is in threaded sleeve joint with the screw rods (8).
2. The automatic centering device for a probe well according to claim 1, wherein: the travelling driving mechanism (5) comprises a driven gear (18) and a driving gear (19) which are rotatably mounted on the mounting frame (3), the driven gear (18) and the driving gear (19) are meshed with each other, and a second motor (20) for driving the driving gear (19) to rotate is fixed on the mounting frame (3).
3. The automatic centering device for a probe well according to claim 1, wherein: the expanding driving mechanism (9) comprises a first motor (12) fixed in the middle of the main arm (1), a second bevel gear (13) is arranged on an output shaft of the first motor (12), a pair of first bevel gears (11) are rotatably arranged on opposite sides of the fixed block (7), the first bevel gears (11) are respectively connected with the two screw rods (8), and the first bevel gears (11) and the second bevel gears (13) are meshed together.
4. The automatic centering device for a probe well according to claim 1, wherein: a balancing weight (15) is fixed on one side of the main arm (1) opposite to the screw rod (8), a guide rod (14) is movably arranged on the balancing weight (15) in a penetrating mode, and two ends of the guide rod (14) are in sliding sleeve joint with the corresponding sleeve arms (10).
5. The automatic centering device for a probe well according to claim 1, wherein: the one end that expands arm (2) kept away from main arm (1) wears to be equipped with buffer arm (16) along same length direction activity, mounting bracket (3) are fixed and are stretched out the one end outside expanding arm (2) at buffer arm (16), buffer arm (16) stretch into the one end that expands in arm (2) and expand and be provided with spring (22) between the inside end wall of arm (2).
6. The automatic centering device for a probe well according to claim 5, wherein: an end plate (21) is fixed at one end of the buffer arm (16) extending into the expanding arm (2), and the end plate (21) is in sliding fit with the inner wall of the expanding arm (2).
7. The automatic centering device for a probe well according to claim 1, wherein: at least one pair of auxiliary wheels (17) are arranged on the mounting frame (3), and the auxiliary wheels (17) are symmetrically arranged on two sides of the travelling wheel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322945009.7U CN220909676U (en) | 2023-11-01 | 2023-11-01 | Automatic centering device in probe well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322945009.7U CN220909676U (en) | 2023-11-01 | 2023-11-01 | Automatic centering device in probe well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909676U true CN220909676U (en) | 2024-05-07 |
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ID=90903635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322945009.7U Active CN220909676U (en) | 2023-11-01 | 2023-11-01 | Automatic centering device in probe well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909676U (en) |
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2023
- 2023-11-01 CN CN202322945009.7U patent/CN220909676U/en active Active
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