CN115685338B - Seismometer well descending device - Google Patents
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- CN115685338B CN115685338B CN202211302219.8A CN202211302219A CN115685338B CN 115685338 B CN115685338 B CN 115685338B CN 202211302219 A CN202211302219 A CN 202211302219A CN 115685338 B CN115685338 B CN 115685338B
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- 238000004804 winding Methods 0.000 claims abstract description 54
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a seismometer well-descending device, which comprises a bracket, a descending mechanism, a connecting piece, a seismometer and an adjusting mechanism, wherein the bracket is arranged on the bracket; the lowering mechanism comprises two groups of lifting assemblies and a winding motor, the lifting assemblies comprise winding pulleys and hanging belts, the winding pulleys are arranged on the support, two ends of each hanging belt are respectively connected with the winding pulleys and the support, and the winding motor is used for driving the two winding pulleys to rotate; the connecting piece comprises a connecting frame, two pulleys mounted on the connecting frame and a rotating disc mounted on the lower side of the connecting frame, wherein the connecting frame is provided with a positioning groove, the two pulleys are respectively hung on the corresponding hanging belt, and the rotating disc is provided with a tooth slot; the seismometer is connected to the lower side of the rotating disc; the adjusting mechanism comprises a motor box fixed at the lower side of the bracket and an adjusting motor arranged in the motor box, the motor box is aligned to be arranged above the positioning groove, and a gear which can be inserted into the tooth slot is arranged on an output shaft of the adjusting motor. The invention realizes the orientation of the well upper direction of the seismometer and reduces the installation difficulty of the seismometer.
Description
Technical Field
The invention relates to the technical field of seismometer installation, in particular to a seismometer well descending device.
Background
In recent years, with the deterioration of the ground monitoring environment, deep well seismic observation becomes an effective means for seismic monitoring in cities and nearby areas where the sedimentary layers are thicker, and compared with ground observation, deep well observation can improve the observation progress by 1-2 orders of magnitude, and deep well observation technology has become an effective means for seismic monitoring in cities and nearby areas where the sedimentary layers are thicker. However, there are a number of critical issues with seismometers during installation that need to be addressed and perfected, such as the azimuthal orientation of the seismometers.
In the prior art, the seismometer is mostly hoisted by adopting a cable, in order to ensure the accurate azimuth orientation of the seismometer, the bottom of the well is required to be oriented during hoisting, a base is installed at the bottom of the well in the direction of the bottom of the well, the seismometer is installed on the base in the azimuth of the well by adopting a mode of a downhole gyroscope and the like, and the construction difficulty is relatively high by adopting the mode of the orientation of the base.
The position of the seismometer is troublesome to adjust in the pit, if the position of the seismometer can be adjusted in the pit, the seismometer is lowered to the bottom of the pit after adjustment, and the position is basically not changed in the process of lowering the seismometer, so that the installation difficulty of the seismometer is greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a seismometer well descending device so as to realize the orientation of the uphole direction of the seismometer and reduce the installation difficulty of the seismometer.
The invention provides a seismometer well-descending device, which comprises a bracket, a descending mechanism, a connecting piece, a seismometer and an adjusting mechanism, wherein the bracket is arranged on the bracket;
the winding and unwinding mechanism comprises two groups of winding and unwinding components and a winding motor, the winding and unwinding components comprise winding pulleys and hanging strips, the winding pulleys are arranged on the support, one end of each hanging strip is connected with each winding pulley, the other end of each hanging strip penetrates through the support and then folds upwards to be fixed on the support, and the winding motor is used for driving the two winding pulleys to synchronously wind and unwind the corresponding hanging strips;
the connecting piece comprises a connecting frame, two pulleys symmetrically arranged on the connecting frame in a left-right mode and a rotating disc rotatably arranged on the lower side of the connecting frame, a positioning groove is vertically formed between the two pulleys of the connecting frame, the two pulleys are respectively hung on corresponding hanging straps, and a tooth slot is formed in the axis of the rotating disc;
the seismometer is connected to the lower side of the rotating disc;
the adjusting mechanism comprises a motor box and an adjusting motor, wherein the motor box is fixed on the lower side of the support, the motor box is aligned to be arranged above the positioning groove and can be inserted into and positioned in the positioning groove, the adjusting motor is arranged in the motor box, an output shaft of the adjusting motor downwards penetrates out of the motor box and is coaxially fixed with a gear, and the gear is aligned to be arranged above the tooth groove and can be inserted into and meshed with the tooth groove.
Further, the support is provided with a first support and a second support which are opposite to each other, a rotating shaft is arranged between the first support and the second support, the two winding wheels are coaxially fixed on the rotating shaft, and the winding motor is fixed on the outer side of the first support and is in transmission connection with the rotating shaft.
Further, two groups of sling guide assemblies are arranged on the support, each group of sling guide assemblies comprises two guide wheels which are oppositely arranged and rotatably arranged on the support, and each sling respectively passes through between the two guide wheels of the corresponding group of sling guide assemblies.
Further, guide plates are arranged above the two pulleys at the upper part of the connecting frame, and two guide holes for the hanging strips to pass through are respectively arranged on each guide plate.
Further, a conical guiding opening for guiding the motor box to be inserted into the positioning groove is formed in the upper portion of the positioning groove.
Further, the lower part of the rotating disc is provided with an electromagnet sucker, and the upper part of the seismometer is provided with a connecting part which can be adsorbed on the lower side of the electromagnet sucker.
Further, a guide hole is vertically formed in the upper portion of the seismometer, a guide supporting ring is arranged at the upper end of the guide hole, a movable shaft is arranged in the guide hole, the upper end of the movable shaft penetrates out of the guide supporting ring and is attracted by the electromagnet sucker, a convex ring portion which is located below the guide supporting ring and is adapted to the guide hole is arranged at the periphery of the movable shaft, and a spring which is supported between the guide supporting ring and the convex ring portion is sleeved on the movable shaft;
the lower part of guiding hole is equipped with three at least group and right the unit, is equipped with at least three on the perisporium of guiding hole lower part and right the export that the unit one-to-one was right with each four groups, right the unit and include righting pole and vaulting pole, right the one end of pole and articulate in the downside of this export of wearing, the outside upper slant of the other end extends, the one end of vaulting pole articulate in right the middle part of pole, the other end inwards upper slant extend and articulate in the lower part of loose axle, can drive through the vaulting pole and right the pole and rotate in order to withdraw or stretch out when the loose axle reciprocates the export of wearing.
Further, a groove is formed in the bottom of the electromagnet sucker, and the upper end of the movable shaft is inserted into the groove when the movable shaft and the electromagnet sucker are attracted.
The beneficial effects of the invention are as follows:
when the device is used for hoisting the seismometer to go down the well, the support is firstly arranged above the well mouth, the seismometer is arranged below the rotating disc at the bottom of the connecting piece, then the position of the support is adjusted, the seismometer is centered with the well mouth, after centering is completed, the winding motor is controlled to drive the two winding wheels to wind the hanging strip, the connecting piece and the seismometer are driven to rise, the motor box below the support is inserted into the positioning groove on the connecting piece, the gear at the lower side of the motor box is inserted into and meshed with the tooth socket in the rotating disc, then the direction of the seismometer can be adjusted by driving the rotating disc through the adjusting motor, the direction orientation of the seismometer is realized, and after the direction of the seismometer is adjusted in place, the winding motor is controlled to drive the two winding wheels to drop the hanging strip, so that the seismometer is lowered to the well bottom. Compared with the prior art, the position of the seismometer can be automatically adjusted on the well through the adjusting motor, adjustment is easy, labor-saving and accurate, after the seismometer is positioned on the well, the seismometer is lowered through the two groups of hanging belt pulley assemblies, the connecting piece is hung by four ropes, torsion can not occur basically, deviation of the position of the seismometer when the seismometer is lowered into the well bottom can be prevented, and the position of the seismometer when the seismometer is lowered into the well bottom is ensured to be basically consistent with the position which is adjusted on the well. In combination, the orientation of the well upper direction of the seismometer is realized, and the installation difficulty of the seismometer is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention in the uphole adjustment of the orientation of a seismometer;
fig. 3 is a schematic structural view of a lowering mechanism according to an embodiment of the present invention.
In the drawings, a 100-bracket; 200-a lowering mechanism; 210-lifting assembly; 211-a reel; 212-hanging strips; 220-winding a motor; 230-a first support; 240-a second support; 250-rotating shaft; 260-guide wheels; 300-connectors; 310-connecting frames; 311-positioning grooves; 3111-a tapered guide port; 312-guide plates; 320-pulley; 330-rotating a disc; 331-tooth slot; 340-an electromagnet chuck; 341-grooves; 400-seismometer; 410-a connection; 420-a guide hole; 421-guiding support ring; 422-a piercing port; 430—a movable shaft; 431-collar portion; 440-spring; 450-righting rod; 460-stay bars; 500-an adjustment mechanism; 510-a motor case; 520-adjusting the motor; 530-gears.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
As shown in fig. 1-3, embodiments of the present invention provide a seismometer downhole device including a stand 100, a lowering mechanism 200, a connector 300, a seismometer 400, and an adjustment mechanism 500.
The lowering mechanism 200 comprises two groups of hanging components 210 and a winding motor 220, the hanging components 210 comprise a winding wheel 211 and a hanging strip 212, the winding wheel 211 is arranged on the bracket 100, one end of the hanging strip 212 is connected with the winding wheel 211, the other end of the hanging strip 212 penetrates through the bracket 100 and then folds upwards and is fixed on the bracket 100, and the winding motor 220 is used for driving the two winding wheels 211 to synchronously wind and unwind the corresponding hanging strip 212.
Referring to fig. 3 specifically, a first support 230 and a second support 240 are disposed on the support 100, a rotating shaft 250 is disposed between the first support 230 and the second support 240, two winding wheels 211 are coaxially fixed on the rotating shaft 250, a winding motor 220 is fixed on the outer side of the first support 230 and is in transmission connection with the rotating shaft 250, and the winding motor 220 drives the rotating shaft 250 to rotate, so that the two winding wheels 211 can be driven to rotate, and the two winding wheels 211 can synchronously wind and unwind the corresponding hanging strips 212.
Preferably, two sets of strap guide assemblies are provided on the support 100, each set of strap guide assemblies including two guide wheels 260 disposed opposite each other and rotatably mounted on the support 100, each strap 212 passing between the two guide wheels 260 of a corresponding set of strap guide assemblies, respectively. In the process of winding and unwinding the hanging strip 212, the diameter of the hanging strip 212 wound on the winding wheel 211 can be changed, the hanging strip 212 is limited and guided through the guide wheel 260, and the hanging strip 212 can be prevented from being deviated due to the fact that the diameter of the hanging strip 212 wound on the winding wheel 211 is changed.
The connecting piece 300 comprises a connecting frame 310, two pulleys 320 symmetrically arranged on the connecting frame 310 in a left-right direction and a rotating disc 330 rotatably arranged on the lower side of the connecting frame 310, wherein a positioning groove 311 is vertically arranged between the two pulleys 320, the two pulleys 320 are respectively hung on the corresponding hanging strips 212, and a tooth slot 331 is arranged at the axis of the rotating disc 330.
Preferably, the upper portion of the connecting frame 310 is provided with guide plates 312 above the two pulleys 320, and each guide plate 312 is provided with two guide holes 420 through which the hanging strip 212 passes, so that the guide plates 312 can stabilize the four-strand hanging strip 212 and play a role in reducing the torsion of the hanging strip 212.
Seismometer 400 is attached to the underside of rotating disk 330.
The adjusting mechanism 500 comprises a motor case 510 and an adjusting motor 520, wherein the motor case 510 is fixed on the lower side of the bracket 100, the motor case 510 is aligned above the positioning groove 311 and can be inserted into and positioned in the positioning groove 311, the adjusting motor 520 is installed in the motor case 510, an output shaft of the adjusting motor 520 penetrates out of the motor case 510 downwards and is coaxially fixed with a gear 530, and the gear 530 is aligned above the tooth groove 331 and can be inserted into and meshed with the tooth groove 331.
To ensure that the motor case 510 can be aligned with the positioning groove 311 inserted into the connection frame 310, a tapered guide opening 3111 for guiding the insertion of the motor case 510 into the positioning groove 311 is provided at an upper portion of the positioning groove 311.
When the seismometer 400 is hoisted down the well by adopting the device, the bracket 100 is firstly erected above the well mouth, the seismometer 400 is arranged under the rotating disc 330 at the bottom of the connecting piece 300, then the position of the bracket 100 is adjusted, so that the seismometer 400 is centered with the well mouth, after centering is finished, the winding motor 220 is controlled to drive the two winding wheels 211 to wind the hanging strip 212 so as to drive the connecting piece 300 and the seismometer 400 to ascend, the motor box 510 under the bracket 100 is inserted into the positioning groove 311 on the connecting piece 300, the gear 530 at the lower side of the motor box 510 is inserted into and meshed with the tooth socket 331 in the rotating disc 330 (as shown in fig. 2), then the position of the seismometer 400 can be adjusted by driving the rotating disc 330 through the adjusting motor 520, the position orientation of the seismometer 400 is realized, and after the position of the seismometer 400 is adjusted in place, the winding motor 220 is controlled to drive the two winding wheels 211 to descend the hanging strip 212 so as to descend the seismometer 400 to the well bottom. Compared with the prior art, the position of the seismometer 400 can be automatically adjusted on the well through the adjusting motor 520, adjustment is easy, labor-saving and accurate, after the seismometer 400 is positioned on the well, the seismometer 400 is lowered through the two groups of hanging belt pulley assemblies, which is equivalent to four ropes to hang the connecting piece 300, torsion can not occur basically, deviation of the position of the seismometer 400 when the seismometer 400 is lowered into the well bottom can be prevented, and the position of the seismometer 400 when the seismometer 400 is lowered into the well bottom is ensured to be basically consistent with the position adjusted on the well. In summary, the uphole azimuth orientation of seismometer 400 is achieved, reducing the difficulty of installation of seismometer 400.
In a preferred embodiment, as shown in fig. 1, the lower part of the rotating disc 330 is provided with an electromagnet chuck 340, the upper part of the seismometer 400 is provided with a connecting part 410 capable of being attracted to the lower side of the electromagnet chuck 340, the connecting part 410 can be a iron member, when the electromagnet chuck 340 is electrified, the connecting part 410 of the seismometer 400 is magnetically attracted to the lower side of the electromagnet chuck 340, after the seismometer 400 is lowered into place, the electromagnet chuck 340 is powered off, the electromagnet chuck 340 is separated from the connecting part 410, and the connecting piece 300 is automatically separated from the seismometer 400.
Preferably, the seismometer 400 has a guide hole 420 vertically provided at an upper portion thereof, a guide supporting ring 421 is provided at an upper end of the guide hole 420, a movable shaft 430 is provided in the guide hole 420, an upper end of the movable shaft 430 penetrates out of the guide supporting ring 421 and is attracted to the electromagnet chuck 340, a collar portion 431 is provided at a peripheral portion of the movable shaft 430 below the guide supporting ring 421 and adapted to the guide hole 420, and a spring 440 is provided on the movable shaft 430 in a sleeved manner and supported between the guide supporting ring 421 and the collar portion 431. At least three sets of centralizing units are arranged at the lower part of the guide hole 420, at least three penetrating holes 422 which are in one-to-one correspondence with the four sets of centralizing units are arranged on the peripheral wall of the lower part of the guide hole 420, each centralizing unit comprises a centralizing rod 450 and a supporting rod 460, one end of the centralizing rod 450 is hinged at the lower side of the penetrating hole 422, the other end of the centralizing rod 460 extends outwards and upwards in an inclined mode, one end of the supporting rod 460 is hinged at the middle part of the centralizing rod 450, the other end of the supporting rod extends inwards and upwards in an inclined mode and is hinged at the lower part of the movable shaft 430, and the centralizing rod 450 can be driven to rotate to retract or extend out of the penetrating hole 422 through the supporting rod 460 when the movable shaft 430 moves up and down.
In the process of descending the seismometer 400, the movable shaft 430 is sucked by the electromagnet sucker 340, the supporting rod 460 pulls the centralizing rod 450, the centralizing rod 450 is contracted in the through hole 422 at the bottom of the guide hole 420, the magnetic force of the electromagnet sucker 340 is reduced after the seismometer 400 is lowered in place, at the moment, the seismometer 400 is still sucked and fixed under the electromagnet sucker 340, the acting force of the spring 440 on the movable shaft 430 is greater than the suction force of the electromagnet sucker 340 on the movable shaft 430, the movable shaft 430 moves downwards along the guide hole 420, meanwhile, the supporting rod 460 drives the centralizing rod 450 to rotate outwards, the centralizing rod 450 extends out of the through hole 422 and abuts against a well wall, the seismometer 400 is fixed in the middle of a well body, after the seismometer 400 is stabilized, the electromagnet sucker 340 is powered off, the electromagnet sucker 340 is separated from the seismometer 400, and then the connecting piece 300 can be withdrawn. This application is through the expansion of electromagnet chuck 340 control centering rod 450, and the process is controllable, and when centering rod 450 was expanded, electromagnet chuck 340 hung seismometer 400, played the effect that prevents seismometer 400 from taking place the slope, and after centering rod 450 expanded like this, seismometer 400 can keep vertical and placed in the middle, and the position of laying is accurate.
More preferably, a groove 341 is formed at the bottom of the electromagnet chuck 340, and the upper end of the movable shaft 430 is inserted into the groove 341 when the movable shaft is attracted to the electromagnet chuck 340. In the process of descending the seismometer 400, the movable shaft 430 is inserted into the groove 341 at the bottom of the electromagnet sucker 340 when being attracted to the electromagnet sucker 340, so that the electromagnet sucker 340 and the seismometer 400 can be fixed and positioned, and dislocation between the electromagnet sucker 340 and the seismometer 400 is avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. The seismometer well descending device is characterized by comprising a bracket, a descending mechanism, a connecting piece, a seismometer and an adjusting mechanism;
the winding and unwinding mechanism comprises two groups of winding and unwinding components and a winding motor, the winding and unwinding components comprise winding pulleys and hanging strips, the winding pulleys are arranged on the support, one end of each hanging strip is connected with each winding pulley, the other end of each hanging strip penetrates through the support and then folds upwards to be fixed on the support, and the winding motor is used for driving the two winding pulleys to synchronously wind and unwind the corresponding hanging strips;
the connecting piece comprises a connecting frame, two pulleys symmetrically arranged on the connecting frame in a left-right mode and a rotating disc rotatably arranged on the lower side of the connecting frame, a positioning groove is vertically formed between the two pulleys of the connecting frame, the two pulleys are respectively hung on corresponding hanging straps, and a tooth slot is formed in the axis of the rotating disc;
the seismometer is connected to the lower side of the rotating disc;
the adjusting mechanism comprises a motor box and an adjusting motor, wherein the motor box is fixed on the lower side of the support, the motor box is aligned to be arranged above the positioning groove and can be inserted into and positioned in the positioning groove, the adjusting motor is arranged in the motor box, an output shaft of the adjusting motor downwards penetrates out of the motor box and is coaxially fixed with a gear, and the gear is aligned to be arranged above the tooth groove and can be inserted into and meshed with the tooth groove.
2. The seismometer downhole device of claim 1, wherein the device comprises a plurality of sensors,
the winding device comprises a support, a winding motor and a winding motor, wherein the support is provided with a first support and a second support which are opposite to each other, a rotating shaft is arranged between the first support and the second support, the winding motor is coaxially fixed on the rotating shaft, and the winding motor is fixed on the outer side of the first support and is in transmission connection with the rotating shaft.
3. The seismometer downhole device of claim 1, wherein the device comprises a plurality of sensors,
two groups of hanging strip guide assemblies are arranged on the support, each group of hanging strip guide assemblies comprises two guide wheels which are oppositely arranged and rotatably arranged on the support, and each hanging strip passes through between the two guide wheels of the corresponding group of hanging strip guide assemblies.
4. The seismometer downhole device of claim 1, wherein the device comprises a plurality of sensors,
the upper part of the connecting frame is provided with guide plates above the two pulleys, and each guide plate is provided with two guide holes for the hanging belt to pass through.
5. The seismometer downhole device of claim 1, wherein the device comprises a plurality of sensors,
the upper part of the positioning groove is provided with a conical guiding opening used for guiding the motor box to be inserted into the positioning groove.
6. The seismometer downhole device of claim 1, wherein the device comprises a plurality of sensors,
the lower part of the rotating disc is provided with an electromagnet sucker, and the upper part of the seismometer is provided with a connecting part which can be adsorbed on the lower side of the electromagnet sucker.
7. The seismometer downhole device of claim 6, wherein,
the upper part of the seismometer is vertically provided with a guide hole, the upper end of the guide hole is provided with a guide supporting ring, the guide hole is internally provided with a movable shaft, the upper end of the movable shaft penetrates out of the guide supporting ring and is attracted with the electromagnet sucker, the periphery of the movable shaft is provided with a convex ring part which is positioned below the guide supporting ring and is adapted to the guide hole, and the movable shaft is sleeved with a spring which is supported between the guide supporting ring and the convex ring part;
the lower part of guiding hole is equipped with three at least group and right the unit, is equipped with at least three on the perisporium of guiding hole lower part and right the export that the unit one-to-one was right with each four groups, right the unit and include righting pole and vaulting pole, right the one end of pole and articulate in the downside of this export of wearing, the outside upper slant of the other end extends, the one end of vaulting pole articulate in right the middle part of pole, the other end inwards upper slant extend and articulate in the lower part of loose axle, can drive through the vaulting pole and right the pole and rotate in order to withdraw or stretch out when the loose axle reciprocates the export of wearing.
8. The seismometer downhole device of claim 7, wherein the device comprises a plurality of sensors,
the bottom of the electromagnet sucker is provided with a groove, and the upper end of the movable shaft is inserted into the groove when the upper end of the movable shaft and the electromagnet sucker are attracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211302219.8A CN115685338B (en) | 2022-10-24 | 2022-10-24 | Seismometer well descending device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211302219.8A CN115685338B (en) | 2022-10-24 | 2022-10-24 | Seismometer well descending device |
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| CN115685338A CN115685338A (en) | 2023-02-03 |
| CN115685338B true CN115685338B (en) | 2024-03-12 |
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| CN115685338A (en) | 2023-02-03 |
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