CN117605428A - Righting device for geological geophysical prospecting well logging instrument with fixed function - Google Patents
Righting device for geological geophysical prospecting well logging instrument with fixed function Download PDFInfo
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- CN117605428A CN117605428A CN202410085896.1A CN202410085896A CN117605428A CN 117605428 A CN117605428 A CN 117605428A CN 202410085896 A CN202410085896 A CN 202410085896A CN 117605428 A CN117605428 A CN 117605428A
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- 239000000523 sample Substances 0.000 claims abstract description 94
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 238000001514 detection method Methods 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 8
- 239000002689 soil Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a centralizing device for a geological sounding tool with a fixing function, and particularly relates to the technical field of auxiliary equipment of the logging tool. According to the righting device for the geological logging instrument with the fixing function, equipment is firmly fixed at a preset detection position through the action of the fixing and adjusting structure and the fixing structure in the detection process, meanwhile, the righting structure and the probe guide structure are matched to enable the logging instrument probe to be parallel to a well wall, shaking of the logging instrument probe in the entering process is reduced, and unnecessary damage caused by collision of the logging instrument probe and the well wall is avoided.
Description
Technical Field
The invention relates to the technical field of logging instrument auxiliary equipment, in particular to a righting device for a geological geophysical prospecting logging instrument with a fixing function.
Background
Logging is a process of measuring physical parameters of underground rock stratum and technical condition of well by various instruments in the process of exploring and exploiting petroleum, coal and metal ore bodies, analyzing recorded data and researching geology and engineering.
The geological logging instrument is used for logging through drilling, and the information of the geological stratification of the drilling, the water level burial depth, the thickness of the aquifer, the position of a fracture zone and the like is known through different measured parameters.
Chinese patent document CN213869764U discloses a righting device for geological logging instrument, including bottom plate and roof, be cyclic annular being fixed with four first guide posts of group and four second guide posts of group between bottom plate and the roof, the bottom plate upper surface is cyclic annular being fixed with four first lead screws and four second lead screws, be fixed with four locating component and clamping component between bottom plate and the roof, roof upper surface is fixed with the casing, the casing top is fixed with the top cap, the roof lower surface all has first motor and second motor through support fixed mounting, four fillet departments of the interior bottom surface of casing all rotate and are connected with first pinion and second pinion, and the interior bottom surface of casing rotates and is connected with four first main gears and second main gear. The righting device that relates to in above-mentioned document can make between probe and the exploration hole keep parallelism fast through setting up clamping assembly, top cap, locating plate and gyro wheel, easy operation for detection efficiency, and can not influence the probe and freely slide.
Although the equipment can be used for righting the probe and fixing the equipment, the needle type fixing is adopted in the actual use process, the fixing needle is exposed outside, operators or other equipment is easily injured in the carrying and transporting processes, and unnecessary personnel and equipment damage is caused;
and the centralizing mode adopts hard connection, so that the surface of the probe can be scratched in the process that the probe gradually enters the well hole, and the damage to a sensor and a detection element on the surface of the probe is easily caused.
Disclosure of Invention
The invention mainly aims to provide a centralizing device for a geological logging instrument with a fixing function, which can effectively solve the problems that the existing centralizing device cannot be stably arranged at a wellhead, operators are easily injured by needle type fixation, and the surface of a probe is easily damaged by hard connection.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a geological logging instrument is with righting device with fixed function, includes the logging instrument probe, logging instrument probe surface upper portion is provided with probe guide structure, probe guide structure lower extreme sliding connection has fixed adjustment structure, fixed adjustment structure surface lower part annular distribution is provided with a plurality of fixed knot constructs, fixed knot constructs the annular distribution fixedly connected with righting structure down, righting structure internal surface is hugged closely with logging instrument probe surface.
Preferably, the fixed adjusting structure comprises a fixed seat, a plurality of supporting legs are rotatably connected to the annular distribution of the lower end of the fixed seat, a supporting driving assembly is rotatably connected to the inner surface of the fixed seat, a worm wheel is fixedly connected to the upper portion of the outer surface of the supporting driving assembly, a worm is meshed to the outer surface of the worm wheel, the rear end of the worm is rotatably connected with the inner surface of the fixed seat, the front end of the fixed seat penetrates through the inner surface of the fixed seat to extend to the front portion of the outer surface of the fixed seat and is fixedly connected with a hand wheel, a supporting limiting assembly is fixedly connected to the lower end of the fixed seat, and the outer surface of the supporting limiting assembly is tightly attached to the inner surfaces of a plurality of fixed structures.
Preferably, the support driving assembly comprises a transmission shaft fixedly connected with the worm wheel, the upper end of the transmission shaft penetrates through the top wall of the inner surface of the fixed seat, extends to the upper end of the fixed seat and is in sliding connection with the lower end of the probe guiding structure, a plurality of wedge-shaped arc plates are annularly distributed and fixedly connected to the lower portion of the outer surface of the transmission shaft, the lower end of the transmission shaft is fixedly connected with a bottom support, and the outer surface of the bottom support is in sliding connection with the inner surface of the support limiting assembly.
Preferably, the supporting and limiting assembly comprises a fixed shaft, a plurality of first sliding grooves corresponding to the wedge-shaped arc plates in number are annularly distributed on the outer surface of the fixed shaft, limiting blocks are symmetrically and fixedly connected to the inner surfaces of the first sliding grooves, the inner surfaces of the first sliding grooves are in sliding connection with a fixing structure through the limiting blocks, the lower end of the fixed shaft is fixedly connected with a centralizing structure, and the lower portion of the inner surface of the fixed shaft is in sliding connection with the outer surface of the collet.
Preferably, the fixed knot constructs including the backup pad, backup pad internal surface sliding connection has the fixed subassembly of hugging closely with wedge arc board surface, the outer cambered surface bilateral symmetry linear distribution of backup pad has seted up a plurality of needle mouths, the outer cambered surface middle part linear distribution of backup pad has seted up a plurality of through-holes, the sand outlet with backup pad lower extreme intercommunication has been seted up to backup pad inner chamber diapire, the backup pad internal surface is fixedly connected with a plurality of compression springs three jointly with the fixed subassembly outer cambered surface.
Preferably, the fixing assembly comprises an arc panel, a plurality of fixing needles corresponding to the positions of the needle outlet and the through hole are annularly and fixedly connected to the outer arc surface of the arc panel, and a thimble assembly which is slidably connected with the inner surface of the chute is fixedly connected to the middle part of the inner arc surface of the arc panel.
Preferably, the thimble assembly comprises an arc-shaped block, a second chute matched with the limiting block is formed in the upper end and the lower end of the arc-shaped block, the inner surface of the second chute is in sliding connection with the outer surface of the adjacent chute, a compression spring II fixedly connected with the limiting block is fixedly connected to one side, away from the arc panel, of the second chute, and one end, away from the limiting block, of the arc-shaped block is fixedly connected with the middle part of the inner cambered surface of the cambered surface plate.
Preferably, the righting structure comprises a first supporting rod fixedly connected with the lower end of the fixed shaft, a second supporting rod is rotationally connected with the lower end of the supporting rod in a bilateral symmetry mode, a central shaft is fixedly connected with two opposite sides of the supporting rod together, a first pulley is rotationally connected with the outer surface of the central shaft in a bilateral symmetry mode, a second extension spring is fixedly connected with the middle of the outer surface of the central shaft together with the middle of the outer surface of the first supporting rod, and the outer surface of the first pulley is tightly attached to the outer surface of a logging instrument probe.
Preferably, the probe guiding structure comprises two sliding seats which are symmetrical front and back, guide wheel assemblies are symmetrically arranged on the inner cavities of the two sliding seats in a left-right mode, sliding blocks which are slidably connected with the upper ends of transmission shafts are fixedly connected to the lower ends of the two sliding seats, and extension springs I are fixedly connected to the opposite sides of the two sliding seats in a left-right mode.
Preferably, the guiding wheel assembly comprises a first compression spring, one end, close to the logging instrument probe, of the first compression spring is fixedly connected with a sliding support which is in sliding connection with the inner surface of the sliding seat, one end, far away from the sliding support, of the first compression spring is fixedly connected with the inner cavity of the sliding seat, one end, far away from the first compression spring, of the sliding support is rotationally connected with a guiding wheel, and the outer surface of the guiding wheel is clung to the outer surface of the logging instrument probe.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, in the detection process, the equipment is firmly fixed at a preset detection position through the action of the fixing and adjusting structure and the fixing structure, meanwhile, the well logging instrument probe is kept parallel to the well wall by utilizing the cooperation of the righting structure and the probe guiding structure, so that the shaking of the well logging instrument probe in the entering process is reduced, and unnecessary damage caused by collision between the well logging instrument probe and the well wall is avoided.
According to the invention, the supporting driving assembly is driven to rotate by the cooperation of the worm wheel and the worm and the hand wheel, so that the supporting plate is used for pushing the fixing assembly to expand outwards under the action of the supporting driving assembly, the fixing assembly is clung to a well wall, the supporting legs are matched under the action of the fixing assembly, so that the equipment is supported at a well mouth, the equipment is primarily fixed at the well mouth, and meanwhile, the probe is isolated from the sediment at the well mouth, so that the detection efficiency is prevented from being influenced by the sediment of the probe.
In the process of pushing the fixing component and the supporting plate through the wedge-shaped arc plate, the supporting plate is driven to expand outwards by the action of the wedge-shaped arc plate, and after the fixing component is contacted with the surface of the well wall, the supporting plate does not stop moving, but continues to expand outwards until the supporting plate is inserted into soil, so that equipment is further fixed, and stable entering of a logging instrument probe is ensured.
When the needle is not used, the fixing needle is retracted into the inner cavity of the supporting plate by utilizing the action of the compression spring III, so that the accidents of scratch, stab injury and the like on operators or other equipment in the transportation and carrying processes are avoided, and the safety is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the probe guide structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the internal structure of the probe guide structure of the present invention;
FIG. 4 is a schematic structural view of the righting structure of the present invention;
FIG. 5 is a schematic cross-sectional view of the internal structure of the fixed adjustment structure of the present invention;
FIG. 6 is a schematic view of a support driving assembly according to the present invention;
FIG. 7 is a schematic diagram illustrating a connection relationship between a supporting driving assembly and a supporting and limiting assembly according to the present invention;
FIG. 8 is a schematic diagram of the explosion effect of the fixed adjustment structure and the fixed structure of the present invention;
FIG. 9 is a schematic cross-sectional view of the internal structure of the fixing structure of the present invention;
FIG. 10 is an enlarged schematic view of the partial structure of FIG. 9A according to the present invention;
FIG. 11 is a schematic view of the bottom structure of the support plate of the present invention;
fig. 12 is a schematic structural view of the fixed structure of the present invention in an expanded state.
In the figure: 1. a tool probe; 2. a probe guide structure; 21. a slide; 22. a tension spring I; 23. a guide wheel assembly; 231. a guide wheel; 232. a sliding support; 233. compressing a first spring; 24. a slide block; 3. fixing the adjusting structure; 31. a fixing seat; 32. a support drive assembly; 321. a transmission shaft; 323. a wedge-shaped arc plate; 324. a bottom support; 33. a worm wheel; 34. a worm; 35. supporting and limiting components; 351. a fixed shaft; 352. a first chute; 353. a limiting block; 36. a hand wheel; 37. a support leg; 4. a righting structure; 41. a first support rod; 43. a second support rod; 44. a pulley I; 45. a second stretching spring; 46. a central shaft; 5. a fixed structure; 51. a support plate; 52. a fixing assembly; 521. a thimble assembly; 5211. an arc-shaped block; 5212. a second chute; 5213. compression spring II; 522. an arc panel; 523. fixing the needle; 53. a needle outlet; 54. a through hole; 55. a sand outlet; 56. compressing the spring III.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
First embodiment, as shown in fig. 1, a righting device for geological logging instrument with fixed function, including logging instrument probe 1, the surface upper portion of logging instrument probe 1 is provided with probe guide structure 2, and probe guide structure 2 lower extreme sliding connection has fixed adjustment structure 3, and fixed adjustment structure 3 surface lower part annular distribution is provided with a plurality of fixed knot constructs 5, and fixed knot constructs 5 lower extreme annular distribution fixedly connected with righting structure 4, righting structure 4 internal surface and logging instrument probe 1 surface hugs closely.
The logging instrument is equipment for detecting data in a well by placing a probe or a probe into the well and utilizing sound waves, videos and built-in sensors of the probe or the probe, and because the equipment needs to pursue precision, a plurality of elements are exposed outside, the probe or the probe cannot be directly placed into the well to ensure the vertical entering of the equipment, or the probe and a well wall collide, the monitoring data is influenced if the probe or the probe is light, the equipment is damaged if the probe or the probe is heavy, the detection efficiency is influenced, and unnecessary property and progress loss are caused.
In the operation process of this embodiment, referring to fig. 1, firstly, the fixed structure 5 is placed into the wellbore, so that the fixed adjustment structure 3 is unfolded to be in contact with the ground, meanwhile, the maximum outer diameter of the fixed structure 5 is adjusted by the fixed adjustment structure 3 until the fixed structure 5 is tightly fixed with the well wall, the tool probe 1 is guided to enter the fixed adjustment structure 3 by the probe guide structure 2 and slowly descends into the well through the centralizing structure 4, the equipment is firmly fixed at a preset detection position by the action of the fixed adjustment structure 3 and the fixed structure 5 in the detection process, meanwhile, the tool probe 1 is kept parallel to the well wall by the cooperation of the centralizing structure 4 and the probe guide structure 2, the shaking of the tool probe 1 in the entering process is reduced, and unnecessary damage caused by collision between the tool probe 1 and the well wall is avoided.
Specifically, in order to realize the guiding function of the logging instrument probe 1, referring to fig. 2 and 3, the probe guiding structure 2 includes two sliding seats 21 that are symmetrical front and back, guide wheel assemblies 23 are symmetrically disposed in the inner cavities of the two sliding seats 21, sliding blocks 24 that are slidably connected with the upper end of the transmission shaft 321 are fixedly connected to the lower ends of the two sliding seats 21, and extension springs 22 are fixedly connected to opposite sides of the two sliding seats 21.
As shown in fig. 2, the upper part of the sliding seat 21 is provided with an arc surface, and the inner cavity of the sliding seat 21 is provided with a guide wheel assembly 23, when the logging instrument probe 1 enters, the sliding seat 21 on two sides can be separated through the cooperation of the sliding block 24 and the first extension spring 22, and the sliding seat 21 is clamped in the middle by utilizing the action of the first extension spring 22 and the guide wheel assembly 23, so that the sliding seat 21 can enter the equipment in a vertical state.
Further, referring to fig. 3, in order to avoid damaging the outer surface of the tool probe 1, the guide wheel assembly 23 includes a first compression spring 233, one end of the first compression spring 233, which is close to the tool probe 1, is fixedly connected with a sliding support 232 slidably connected to the inner surface of the sliding seat 21, one end of the first compression spring 233, which is far away from the sliding support 232, is fixedly connected to the inner cavity of the sliding seat 21, one end of the sliding support 232, which is far away from the first compression spring 233, is rotatably connected with a guide wheel 231, and the outer surface of the guide wheel 231 is tightly attached to the outer surface of the tool probe 1.
When the guide wheel 231 contacts with the outer surface of the logging instrument probe 1, the sliding support 232 can be pressed to slide towards the inner cavity of the sliding seat 21, the synchronous compression spring 233 accumulates elastic potential energy, the guide wheel 231 is pushed outwards to be clung to the outer surface of the logging instrument probe 1, the guide wheel 231 is a flexible rubber wheel, the surface of the logging instrument probe 1 can be prevented from being scratched while the logging instrument probe 1 is fixed, and the logging instrument probe 1 can slide downwards along the guide wheels 231 at two sides until entering the centralizing structure 4.
Further, in order to keep the probe parallel to the inner wall of the borehole when entering the borehole, avoiding collision with the inner wall of the borehole, referring to fig. 4, the righting structure 4 includes a first support rod 41 fixedly connected to the lower end of the fixed shaft 351, a second support rod 43 rotationally connected to the lower end of the first support rod 41 in a bilateral symmetry manner, a central shaft 46 fixedly connected to opposite sides of the second support rod 43 together, a first pulley 44 rotationally connected to the outer surface of the central shaft 46 in a bilateral symmetry manner, a second extension spring 45 fixedly connected to the middle part of the outer surface of the central shaft 46 and the middle part of the outer surface of the first support rod 41 together, and the outer surface of the first pulley 44 tightly attached to the outer surface of the logging instrument probe 1.
After the lower part of the well logging instrument probe 1 is contacted with the first supporting rod 41, the first supporting rod 43 and the first supporting rod 41 rotate to enable the first pulley 44 of the fixed adjusting structure to rotate downwards until the well logging instrument probe 1 can pass through the first pulley 44, at the moment, the outer surface of the well logging instrument probe 1 is tightly attached to the outer surface of the first pulley 44, meanwhile, the second stretching spring 45 pulls the central shaft 46 to give the central shaft 46 an upward pulling force, so that the central shaft 46 drives the first pulley 44 to give the well logging instrument probe 1 a central pushing force, and because the positions of the first three pulleys 44 are distributed annularly, the well logging instrument probe 1 is limited at the central position of the device to vertically descend, meanwhile, the shaking of the well logging instrument probe 1 in a well wall is reduced by utilizing the pressure of the first pulley 44, and the well logging instrument probe 1 is prevented from colliding with the well wall.
Meanwhile, the action of the tension spring I22, the compression spring I233 and the tension spring II 45 is utilized to provide a certain degree of buffering for the logging instrument probe 1, so that shaking of the logging instrument probe 1 in the well entering process is reduced.
In the second embodiment, the supporting driving assembly 32 is driven to rotate by the aid of the worm wheel 33, the worm 34 and the hand wheel 36 on the basis of the first embodiment, so that the fixing assembly 52 is pushed to expand outwards by the aid of the supporting plate 51 under the action of the supporting driving assembly 32, the fixing assembly 52 is tightly attached to a well wall, the supporting legs 37 are matched under the action of the fixing assembly 52 to enable equipment to be supported at a well mouth, the equipment is initially fixed at the well mouth, and meanwhile, the probe is isolated from mud and sand at the well mouth, so that the detection efficiency is prevented from being influenced by the mud and sand contamination of the probe.
Specifically, in order to realize the function of adjusting the outer diameter of the fixed structure 5 to support the device at the wellhead, referring to fig. 5, the fixed adjusting structure 3 includes a fixed seat 31, a plurality of supporting legs 37 are rotatably connected to the lower end ring of the fixed seat 31 in a ring-shaped distribution manner, a supporting driving assembly 32 is rotatably connected to the inner surface of the fixed seat 31, a worm wheel 33 is fixedly connected to the upper portion of the outer surface of the supporting driving assembly 32, a worm 34 is meshed with the outer surface of the worm wheel 33, the rear end of the worm 34 is rotatably connected to the inner surface of the fixed seat 31, the front end of the fixed seat 31 penetrates through the inner surface of the fixed seat 31 to the front portion of the outer surface of the fixed seat 31 and is fixedly connected with a hand wheel 36, a supporting limiting assembly 35 is fixedly connected to the lower end of the fixed seat 31, and the outer surface of the supporting limiting assembly 35 is tightly attached to the inner surfaces of the fixed structures 5.
The equipment can be clamped on the land around the wellhead by unfolding the supporting legs 37, the supporting legs 37 rotate in a unidirectional way, the supporting legs 37 rotate upwards to a horizontal position and can be limited and blocked by the fixing base 31, the supporting legs 37 are provided with ground nail interfaces, and the fixing effect can be enhanced by the ground nails in some areas with softer soil properties;
the worm 34 can drive the worm wheel 33 to rotate by shaking the hand wheel 36, and the worm wheel 33 and the support driving assembly 32 are fixed together, so that the worm wheel 33 can drive the support driving assembly 32 to rotate while rotating, the worm 34 and the worm wheel 33 have self-locking characteristics, and looseness can be avoided after the expansion is in place.
Further, in order to realize the expansion of the fixing structure 5 following the rotation of the worm wheel 33, the fixing structure 5 needs to be pushed to slide outwards during the rotation, referring to fig. 6, the support driving assembly 32 includes a driving shaft 321 fixedly connected with the worm wheel 33, the upper end of the driving shaft 321 penetrates through the top wall of the inner surface of the fixing seat 31 to extend to the upper end of the fixing seat 31 and is slidably connected with the lower end of the probe guiding structure 2, a plurality of wedge-shaped arc plates 323 are annularly distributed and fixedly connected on the lower portion of the outer surface of the driving shaft 321, a bottom bracket 324 is fixedly connected with the lower end of the driving shaft 321, and the outer surface of the bottom bracket 324 is slidably connected with the inner surface of the support limiting assembly 35.
Further, in order to ensure that the fixing structure 5 expands outwards unidirectionally and limits the maximum expansion distance of the fixing structure 5 in the sliding process, referring to fig. 7 and 8, the supporting and limiting assembly 35 comprises a fixing shaft 351, a plurality of first sliding grooves 352 corresponding to the number of the wedge-shaped arc plates 323 are annularly distributed on the outer surface of the fixing shaft 351, limiting blocks 353 are symmetrically and fixedly connected to the inner surfaces of the first sliding grooves 352 up and down, the inner surfaces of the first sliding grooves 352 are in sliding connection with the fixing structure 5 through the limiting blocks 353, the lower end of the fixing shaft 351 is fixedly connected with the righting structure 4, and the lower portion of the inner surface of the fixing shaft 351 is in sliding connection with the outer surface of the bottom bracket 324.
As the drive shaft 321 follows the rotation of the worm gear 33, the wedge-shaped arc plate 323 is wedge-shaped, and during rotation, the distance between it and the corresponding chute one 352 becomes progressively shorter, thereby pushing the fixed structure 5 to slide outwards.
Further, in order to realize the function of supporting the centering device at the wellhead, referring to fig. 9, 10 and 11, the fixing structure 5 includes a supporting plate 51, a fixing component 52 tightly attached to the outer surface of the wedge-shaped arc plate 323 is slidably connected to the inner surface of the supporting plate 51, a sand outlet 55 communicated with the lower end of the supporting plate 51 is formed in the bottom wall of the inner cavity of the supporting plate 51, and a plurality of compression springs three 56 are fixedly connected to the inner surface of the supporting plate 51 and the outer arc surface of the fixing component 52.
The main function of the sand outlet 55 is to send out the sediment entering the inner cavity of the support plate 51 through the sand outlet 55, so as to avoid the sediment accumulation in the support plate 51 from affecting the sliding of the fixing assembly 52.
The supporting plate 51 can be driven to move outwards under the action of the wedge-shaped arc plate 323, when the supporting plate 51 expands outwards, as the compression spring III 56 is fixed between the supporting plate 51 and the fixing component 52, the supporting plate 51 moves forwards synchronously to drive the fixing component 52 to move forwards until the fixing component 52 contacts with the well wall, at this time, the supporting plate 51 continues to expand outwards, the compression spring III 56 is pressed until the compression spring III reaches the maximum compression stroke, at this time, the supporting plate 51 is clung to the inner surface of the well wall, and the equipment is fixed at the well mouth.
In the third embodiment, in the process of pushing the fixing component 52 and the supporting plate 51 by the wedge-shaped arc plate 323 on the basis of the second embodiment, the supporting plate 51 is driven to expand outwards by utilizing the action of the wedge-shaped arc plate 323, after the fixing component 52 is contacted with the surface of the well wall, the supporting plate 51 does not stop moving, but continues to expand outwards until the fixing component is inserted into soil, the equipment is further fixed, stable entry of the logging instrument probe 1 is ensured, meanwhile, when the logging instrument probe is not used, the fixing needle 523 is retracted into the inner cavity of the supporting plate 51 by utilizing the action of the compression spring III 56, accidents such as scratch and the like are avoided for operators in the transportation and carrying processes, and the safety is improved.
Specifically, for fixing the device, referring to fig. 9, 10 and 11, the fixing assembly 52 includes a cambered surface plate 522, a plurality of fixing pins 523 corresponding to the positions of the pin outlet 53 and the through hole 54 are annularly and fixedly connected to the outer cambered surface of the cambered surface plate 522, and a thimble assembly 521 slidably connected to the inner surface of the first chute 352 is fixedly connected to the middle part of the inner cambered surface of the cambered surface plate 522.
After the fixed assembly 52 contacts the well wall to stop moving, the cambered surface plate 522 continues to expand outwards under the action of the thimble assembly 521 until the fixed needle 523 is pricked into the well wall from the needle outlet 53 and the through hole 54, the equipment is fixed on the well wall through the action of the fixed needles 523, and the tool probe 1 can stably enter the well hole by matching with the action of the probe guide structure 2 and the centralizing structure 4, so that a stable foundation is provided for guiding and centralizing the probe guide structure 2 and the centralizing structure 4.
Further, in order to ensure that the fixing needle 523 can be smoothly inserted into the soil, referring to fig. 8 and 9, a plurality of needle outlets 53 are formed in the outer arc surface of the support plate 51 in a laterally symmetric linear distribution manner, and a plurality of through holes 54 are formed in the middle of the outer arc surface of the support plate 51 in a linear distribution manner.
The main function of the needle outlet 53 and the through hole 54 is that the fixing needle 523 can penetrate through the supporting plate 51 to be inserted into soil, and in a non-use state, the fixing needle 523 is taken in the inner cavity of the supporting plate 51, so that personnel injury and equipment damage caused by the fact that the fixing needle 523 is exposed outside are avoided, and the occurrence of corresponding safety accidents is reduced.
Further, in order to realize the function of pushing the thimble assembly 521 and the fixing needle 523 to move outwards along with the movement of the wedge-shaped arc plate 323 until the fixing needle 523 pierces the soil layer to fix the device on the well wall, referring to fig. 11, the thimble assembly 521 includes an arc block 5211, a second chute 5212 adapted to the limiting block 353 is provided at the upper end and the lower end of the arc block 5211, the inner surface of the second chute 5212 is slidably connected with the outer surface of the first adjacent chute 352, a compression spring second 5213 fixedly connected with the limiting block 353 is fixedly connected with one side of the inner surface of the second chute 5212 away from the arc panel 522, and one end of the arc block 5211 away from the limiting block 353 is fixedly connected with the middle part of the inner arc surface of the arc panel 522.
Referring to fig. 12, when the wedge-shaped arc plate 323 rotates, the arc block 5211 is pushed to move outwards along the direction defined by the second chute 5212 and the limiting block 353, so as to push the arc plate 522 to expand outwards, and when the wedge-shaped arc plate 323 continues to rotate to the minimum inner diameter, under the action of the second chute 5212, the arc block 5211 drives the arc plate 522 and the supporting plate 51 to reset, and at this time, the device can be removed from the wellhead.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a geological logging instrument is with righting device with fixed function, includes logging instrument probe (1), its characterized in that: the upper part of the outer surface of the logging instrument probe (1) is provided with a probe guide structure (2), the lower end of the probe guide structure (2) is connected with a fixed adjusting structure (3) in a sliding manner, a plurality of fixed structures (5) are annularly distributed at the lower part of the outer surface of the fixed adjusting structure (3), a centralizing structure (4) is annularly distributed at the lower end of the fixed structure (5), and the inner surface of the centralizing structure (4) is tightly attached to the outer surface of the logging instrument probe (1);
the probe guide structure (2) comprises two sliding seats (21) which are symmetrical front and back, guide wheel assemblies (23) are symmetrically arranged in the inner cavities of the two sliding seats (21) in a left-right mode, sliding blocks (24) which are fixedly connected with the upper ends of transmission shafts (321) are fixedly connected to the lower ends of the two sliding seats (21), and extension springs I (22) are fixedly connected to opposite sides of the two sliding seats (21) in a left-right mode in a common mode;
the fixed adjusting structure (3) comprises a fixed seat (31), a plurality of supporting legs (37) are rotatably connected to the lower end annular distribution of the fixed seat (31), a supporting driving assembly (32) is rotatably connected to the inner surface of the fixed seat (31), a worm wheel (33) is fixedly connected to the upper portion of the outer surface of the supporting driving assembly (32), a worm (34) is meshed with the outer surface of the worm wheel (33), the rear end of the worm (34) is rotatably connected with the inner surface of the fixed seat (31), the front end of the fixed seat (31) penetrates through the inner surface of the fixed seat (31) to extend to the front portion of the outer surface of the fixed seat (31) and is fixedly connected with a hand wheel (36), a supporting limiting assembly (35) is fixedly connected to the lower end of the fixed seat (31), and the outer surface of the supporting limiting assembly (35) is tightly attached to the inner surfaces of a plurality of fixed structures (5).
The centering structure (4) comprises a first supporting rod (41) fixedly connected with the lower end of a fixed shaft (351), a second supporting rod (43) is rotationally connected at the lower end of the first supporting rod (41) in bilateral symmetry, a central shaft (46) is fixedly connected at opposite sides of the two second supporting rods (43), a first pulley (44) is rotationally connected at the outer surface of the central shaft (46) in bilateral symmetry, a second extension spring (45) is fixedly connected at the middle part of the outer surface of the central shaft (46) and the middle part of the outer surface of the first supporting rod (41), and the outer surface of the first pulley (44) is tightly attached to the outer surface of the logging instrument probe (1);
the utility model provides a fixed knot constructs (5) including backup pad (51), backup pad (51) internal surface sliding connection has fixed subassembly (52) of hugging closely with wedge arc board (323) surface, a plurality of needle mouths (53) have been seted up to the bilateral symmetry linear distribution of backup pad (51) extrados, a plurality of through-holes (54) have been seted up to backup pad (51) extrados middle part linear distribution, sand outlet (55) with backup pad (51) lower extreme intercommunication have been seted up to backup pad (51) inner chamber diapire, backup pad (51) internal surface and fixed subassembly (52) extrados are a plurality of compression springs three (56) of fixedly connected with jointly.
2. The righting device for a geological logging with a fixing function according to claim 1, wherein: the support driving assembly (32) comprises a transmission shaft (321) fixedly connected with the worm wheel (33), the upper end of the transmission shaft (321) penetrates through the top wall of the inner surface of the fixed seat (31) to extend to the upper end of the fixed seat (31) and is in sliding connection with the lower end of the probe guiding structure (2), a plurality of wedge-shaped arc plates (323) are annularly distributed and fixedly connected to the lower portion of the outer surface of the transmission shaft (321), a bottom bracket (324) is fixedly connected to the lower end of the transmission shaft (321), and the outer surface of the bottom bracket (324) is in sliding connection with the inner surface of the support limiting assembly (35).
3. The righting device for a geological logging with a fixing function according to claim 2, wherein: the support limiting component (35) comprises a fixed shaft (351), a plurality of first sliding grooves (352) corresponding to the wedge-shaped arc plates (323) in number are annularly distributed on the outer surface of the fixed shaft (351), limiting blocks (353) are symmetrically and fixedly connected to the inner surfaces of the first sliding grooves (352), the inner surfaces of the first sliding grooves (352) are in sliding connection with a fixed structure (5) through the limiting blocks (353), the lower ends of the fixed shaft (351) are fixedly connected with a righting structure (4), and the lower portions of the inner surfaces of the fixed shaft (351) are in sliding connection with the outer surfaces of the bottom brackets (324).
4. A centralizer for a geophysical prospecting logging instrument having a fixing function according to claim 3, wherein: the fixing assembly (52) comprises an arc surface plate (522), a plurality of fixing needles (523) corresponding to positions of the needle outlet (53) and the through holes (54) are fixedly connected to the outer arc surface of the arc surface plate (522) in an annular distribution mode, and a thimble assembly (521) connected with the inner surface of the first chute (352) in a sliding mode is fixedly connected to the middle of the inner arc surface of the arc surface plate (522).
5. The righting device for a geological logging with a fixing function according to claim 4, wherein: the thimble assembly (521) comprises an arc-shaped block (5211), a second chute (5212) matched with the limiting block (353) is formed in the upper end and the lower end of the arc-shaped block (5211), the inner surface of the second chute (5212) is slidably connected with the outer surface of the first chute (352) adjacent to the second chute, one side, away from the arc panel (522), of the inner surface of the second chute (5212) is fixedly connected with a second compression spring (5213) fixedly connected with the limiting block (353), and one end, away from the limiting block (353), of the arc-shaped block (5211) is fixedly connected with the middle part of an inner cambered surface of the arc-shaped plate (522).
6. The righting device for a geological logging with a fixing function according to claim 1, wherein: the guide wheel assembly (23) comprises a first compression spring (233), one end, close to the logging instrument probe (1), of the first compression spring (233) is fixedly connected with a sliding support (232) which is in sliding connection with the inner surface of the sliding seat (21), one end, far away from the sliding support (232), of the first compression spring (233) is fixedly connected with an inner cavity of the sliding seat (21), one end, far away from the first compression spring (233), of the sliding support (232) is rotationally connected with a guide wheel (231), and the outer surface of the guide wheel (231) is tightly attached to the outer surface of the logging instrument probe (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410085896.1A CN117605428B (en) | 2024-01-22 | 2024-01-22 | Righting device for geological geophysical prospecting well logging instrument with fixed function |
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| CN202410085896.1A CN117605428B (en) | 2024-01-22 | 2024-01-22 | Righting device for geological geophysical prospecting well logging instrument with fixed function |
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