CN117052830A - Damping device and deep ground detection device - Google Patents
Damping device and deep ground detection device Download PDFInfo
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- CN117052830A CN117052830A CN202310845100.3A CN202310845100A CN117052830A CN 117052830 A CN117052830 A CN 117052830A CN 202310845100 A CN202310845100 A CN 202310845100A CN 117052830 A CN117052830 A CN 117052830A
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- 238000001514 detection method Methods 0.000 title claims abstract description 109
- 238000013016 damping Methods 0.000 title claims abstract description 61
- 230000035939 shock Effects 0.000 claims abstract description 35
- 238000005553 drilling Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims 11
- 239000002775 capsule Substances 0.000 claims 2
- 239000002689 soil Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a damping device and a deep detection device, wherein the deep detection device comprises a damping device, a plurality of drill rods, an instrument cabin and a drill bit, the drill rods comprise detection drill rods positioned at the bottom end, the instrument cabin comprises a carrier and a detection assembly, the damping device comprises a shell, a first damping assembly and a second damping assembly, the shell is used for being sleeved in a steel sleeve of the detection drill rods and sleeved on the periphery of a mandrel of the detection drill rods, and at least part of the shell can move relative to the detection drill rods to have a closed state and an open state; the first damping component comprises a first elastic piece and a second elastic piece which are sequentially distributed at intervals along the up-down direction on one side of the instrument cabin far away from the drill bit, and the second damping component comprises a buffer piece used for filling a gap between the detection component and the carrier; realize instrument cabin two-way shock attenuation in the axial of drilling rod through first damper, reduce the impact shock to detecting the subassembly through second damper, protect detecting the subassembly structure, guarantee detecting the detection precision of subassembly.
Description
Technical Field
The invention relates to the technical field of deep ground detection, in particular to a damping device and a deep ground detection device.
Background
Existing coal mine goaf detection technologies are divided into an indirect method and a direct method. The indirect method mainly comprises geophysical exploration methods such as heavy, magnetic, electric and earthquake, and the direct method comprises drilling post-detection, while-drilling detection, underground goaf scanning and other related technologies based on geological drilling. In the field of deep exploration, measurement While Drilling (MWD) and Logging While Drilling (LWD) are important components of high technology of international drilling, instruments are used in a borehole, and as the depth of the borehole increases, pressure in the borehole rises, pressure shock waves and impact force can be generated, so that an instrument cabin containing a detection assembly is damaged by larger pressure shock and impact force, even the detection precision of the detection assembly is affected, and the detection result is affected.
Disclosure of Invention
The invention mainly aims to provide a damping device and a deep detection device, and aims to solve the problem that an instrument cabin containing a detection component is damaged due to larger pressure oscillation and impact force and the detection result is affected along with the increase of drilling depth in the deep detection process.
In order to achieve the above object, the present invention provides a damping device for a deep ground detection device, the deep ground detection device further includes a plurality of drill rods, an instrument pod, and a drill bit, the drill rods are sequentially connected and arranged along an up-down direction, the drill rods include a detection drill rod located at a bottom end, the instrument pod is sleeved on an outer periphery of a mandrel of the detection drill rod, the drill bit is connected to a lower end of the detection drill rod, the instrument pod includes a carrier, and a detection assembly accommodated in the carrier, the damping device includes:
the shell is sleeved in the steel sleeve of the detection drill rod, sleeved on the periphery of the mandrel of the detection drill rod and arranged on the upper side of the drill bit, at least part of the shell can move relative to the detection drill rod to have a closed state and an open state, when the shell is in the closed state, the shell is sleeved on the periphery of the instrument cabin so that the instrument cabin is accommodated and sealed in the shell, and when the shell is in the open state, at least the detection component of the instrument cabin is positioned outside the shell;
the first damping component comprises a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are sequentially distributed at intervals along the up-down direction on one side of the instrument cabin far away from the drill bit;
and the second damping component comprises a buffer piece which is arranged in the carrier of the instrument cabin and used for filling the gap between the detection component and the carrier.
Optionally, the damping device further comprises a third damping component, wherein the third damping component comprises a third elastic piece, and the third elastic piece is arranged on one side, close to the drill bit, of the instrument cabin.
Optionally, the length of the first elastic member is greater than the length of the second elastic member.
Optionally, the cushioning member comprises a rubber member.
Optionally, the shell includes protection tube and lower protection tube, go up the protection tube and be used for the cover to locate in the steel casing, lower protection tube can be relative go up the protection tube is followed survey the axial activity of drilling rod, when the shell is in closed condition, go up the protection tube with lower protection tube encloses to close the instrument shelter, when the shell is in open condition, go up the protection tube with lower protection tube is followed survey the axial interval distribution of drilling rod, just the detection subassembly of instrument shelter is located go up the protection tube with between the protection tube down.
Optionally, at least one driving motor and an upper thrust bearing are arranged in the upper protection tube, the driving motor and the upper thrust bearing are sleeved on the periphery of the mandrel, the upper thrust bearing is located between the first elastic piece and the second elastic piece, is fixedly connected with the first elastic piece and is connected with the inner wall of the upper protection tube, and the driving motor is in driving connection with the upper thrust bearing so as to drive the upper thrust bearing to rotate around the axis of the detection drill rod and drive the mandrel to rotate;
the lower protection pipe is internally provided with a lower thrust bearing, the lower thrust bearing is used for being sleeved on the periphery of the mandrel, is arranged at the lower end of the instrument cabin and is in threaded connection with the lower protection pipe, so that when the upper thrust bearing drives the mandrel to rotate, the lower thrust bearing is stressed by the mandrel to rotate and drive the lower protection pipe to move close to or away from the upper protection pipe.
Optionally, the upper protection tube is connected with the core shaft in a sliding oil seal manner, a sliding block and a limiting block are arranged in the upper protection tube, the sliding block is sleeved on the periphery of the driving motor and used for fixing the driving motor, the limiting block is arranged above the sliding block, and the sliding block can axially slide along the detection drill rod between the limiting block and the first elastic piece; and/or the number of the groups of groups,
the damping device further comprises a third damping component, the third damping component comprises a third elastic piece, one side, close to the drill bit, of the lower thrust bearing is connected with a connecting buffer piece, and the third elastic piece is fixedly connected to the lower side of the connecting buffer piece.
Optionally, the damping device further comprises a first multistage sealing ring sleeved on the periphery of the mandrel and located between the upper thrust bearing and the first elastic piece; and/or the number of the groups of groups,
the damping device further comprises a second multistage sealing ring, wherein the second multistage sealing ring is sleeved on the periphery of the instrument cabin and is arranged on the upper side of the lower thrust bearing.
Optionally, a wear-resistant sleeve is arranged on the periphery of the shell.
The invention also provides a deep ground detection device, which comprises:
the drill rods are sequentially connected in the up-down direction, and the drill rods comprise detection drill rods positioned at the bottom ends;
the instrument cabin is sleeved on the periphery of the detection drill rod and comprises a carrier and a detection assembly accommodated in the carrier;
the drill bit is arranged at the lower end of the detection drill rod; the method comprises the steps of,
damping device, comprising:
the shell is sleeved in the steel sleeve of the detection drill rod, sleeved on the periphery of the mandrel of the detection drill rod and arranged on the upper side of the drill bit, at least part of the shell can move relative to the detection drill rod to have a closed state and an open state, when the shell is in the closed state, the shell is sleeved on the periphery of the instrument cabin so that the instrument cabin is accommodated and sealed in the shell, and when the shell is in the open state, at least the detection component of the instrument cabin is positioned outside the shell;
the first damping component comprises a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are sequentially distributed at intervals along the up-down direction on one side of the instrument cabin far away from the drill bit;
and the second damping component comprises a buffer piece which is arranged in the carrier of the instrument cabin and used for filling the gap between the detection component and the carrier.
According to the technical scheme, the damping device comprises a shell, a first damping component and a second damping component, wherein the first damping component comprises a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are sequentially distributed at intervals along the up-down direction on one side of the instrument cabin away from the drill bit, namely, the first elastic piece is far away from the instrument cabin relative to the second elastic piece, so that bidirectional damping of the instrument cabin in the axial direction of the drill rod is realized, the impact vibration of the instrument cabin caused by the impact force can be reduced through the first elastic piece in the lowering process of the instrument cabin, namely in the drilling process of the drill rod, and the impact vibration of the instrument cabin caused by the impact force can be reduced through the second elastic piece in the lifting process of the instrument cabin, so that the instrument cabin structure is protected; meanwhile, the second damping component is filled in the gap between the detection component and the carrier, so that impact vibration to the detection component is reduced through the second damping component in the moving process of the instrument cabin, the detection component structure is protected, and the detection precision of the detection component is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a deep sounding device (a housing of a shock absorbing device is in a closed state) according to the present invention;
FIG. 2 is a schematic view of the deep sounding device of FIG. 1 (with the housing of the shock absorbing device in an open state);
fig. 3 is a schematic structural view of a first elastic member of a shock absorbing device of the deep sounding device of fig. 1.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Existing coal mine goaf detection technologies are divided into an indirect method and a direct method. The indirect method mainly comprises geophysical exploration methods such as heavy, magnetic, electric and earthquake, and the direct method comprises drilling post-detection, while-drilling detection, underground goaf scanning and other related technologies based on geological drilling. In the field of deep exploration, measurement While Drilling (MWD) and Logging While Drilling (LWD) are important components of high technology of international drilling, instruments are used in a borehole, and as the depth of the borehole increases, pressure in the borehole rises, pressure shock waves and impact force can be generated, so that an instrument cabin containing a detection assembly is damaged by larger pressure shock and impact force, even the detection precision of the detection assembly is affected, and the detection result is affected.
In view of this, the present invention provides a shock absorbing device 100 and a deep ground detection device 1000, fig. 1 to 3 are diagrams showing an embodiment of the deep ground detection device 1000 provided by the present invention, referring to fig. 1 and 2, the deep ground detection device 1000 includes a plurality of drill rods, an instrument pod 300, a drill bit 400 and the shock absorbing device 100, the plurality of drill rods are sequentially connected in an up-down direction, the plurality of drill rods include a detection drill rod 200 at a bottom end, the instrument pod 300 is sleeved on an outer circumference of a mandrel 210 of the detection drill rod 200, and the drill bit 400 is connected to a lower end of the detection drill rod, the instrument pod 300 includes a carrier 310 and a detection assembly accommodated in the carrier 310, and the main invention is to design the shock absorbing device 100, and the shock absorbing device 100 will be mainly described with reference to specific drawings.
Referring to fig. 1 and 2, the damping device 100 includes a housing 1, a first damping component 2, and a second damping component, where the housing 1 is configured to be sleeved in a steel sleeve 220 of the probe drill rod 200, and sleeved on an outer periphery of a mandrel 210 of the probe drill rod 200, and disposed on an upper side of the drill bit 400, at least a portion of the housing 1 is movable relative to the probe drill rod 200 to have a closed state and an open state, and when the housing 1 is in the closed state, the housing 1 is configured to be sleeved on an outer periphery of the instrument pod 300, so that the instrument pod 300 is accommodated and sealed inside the housing 1, and when the housing 1 is in the open state, at least the detecting component of the instrument pod 300 is located outside the housing 1; the first shock absorbing assembly 2 comprises a first elastic member 21 and a second elastic member 22, and the first elastic member 21 and the second elastic member 22 are sequentially distributed at intervals along the up-down direction on one side of the instrument pod 300 away from the drill bit 400; the second shock absorbing assembly is configured to be disposed within the carrier 310 of the pod 300 and to fill a gap between the probe assembly and the carrier 310.
In the technical solution of the present invention, the damping device 100 includes a housing 1, a first damping component 2 and a second damping component, where the first damping component 2 includes a first elastic member 21 and a second elastic member 22, and the first elastic member 21 and the second elastic member 22 are sequentially distributed at intervals along an up-down direction on a side of the instrument pod 300 away from the drill bit 400, that is, the first elastic member 21 is disposed away from the instrument pod 300 relative to the second elastic member 22, so as to implement bidirectional damping of the instrument pod 300 in an axial direction of the drill pipe, thereby not only reducing impact shock of impact force on the instrument pod 300 by the first elastic member 21 during a lowering process of the instrument pod 300, that is, during a drilling process of the drill pipe, but also reducing shock of impact force on the instrument pod 300 by the second elastic member 22 during an lifting process of the instrument pod 300, so as to protect an instrument pod 300 structure; meanwhile, the second damping component is filled in the gap between the detecting component and the carrier 310, so that in the moving process of the instrument cabin 300, the impact vibration to the detecting component can be reduced through the second damping component, the detecting component structure is protected, and the detecting precision of the detecting component is ensured.
In addition, the casing 1 has a closed state and an open state, and during the process of lowering the instrument pod 300, the casing 1 is in the closed state (refer to fig. 1), at this time, the instrument pod 300 is accommodated and sealed in the casing 1, the casing 1 transmits the weight and torque of the drill rod to the drill bit 400, so that the stress of the instrument pod 300 is reduced, the structure of the instrument pod 300 is protected, the influence of complex drilling conditions on the detection assembly is reduced, and the detection precision of the detection assembly is ensured; when the nacelle 300 is moved to the testing position, the housing 1 is moved relative to the test drill rod 200, and is in an open position (see fig. 2), exposing the nacelle 300 for testing by the testing assembly.
In the present invention, the first elastic member 21 and the second elastic member 22 may be rubber pads or elastic members such as springs, and in particular, in an embodiment of the present invention, the first elastic member 21 is a spring (see fig. 3), and the second elastic member 22 is a spring (the specific structure is the same as or similar to the first elastic structure), which has good elasticity and low cost.
Further, referring to fig. 1 and 2, the shock absorbing device 100 further includes a third shock absorbing assembly 3, the third shock absorbing assembly 3 includes a third elastic member 31, and the third elastic member 31 is disposed on a side of the instrument pod 300 near the drill bit 400; in this way, by providing the third elastic member 31 below the nacelle 300, impact shock to the nacelle 300 during drilling can be further reduced, thereby further protecting the nacelle 300 structure.
Further, the third elastic member 31 is a spring, which has good elasticity and low cost.
Since the impact force of the cabin 300 during the lowering process is greater than the impact force of the cabin 300 during the lifting process, in an embodiment of the present invention, the length of the first elastic member 21 is greater than the length of the second elastic member 22, that is, the elastic force of the first elastic member 21 is greater than the elastic force of the second elastic member 22, so that the impact shock to the cabin 300 is greatly reduced during the drilling process, and the cabin 300 structure is protected.
More specifically, in one embodiment of the present invention, the length of the first elastic member 21 is 55mm, and the length of the second elastic member 22 is 45mm.
In particular, the cushioning member includes a rubber member such as a nitrile rubber seal, a silicone rubber seal, etc., has good elasticity, weather resistance, corrosion resistance, etc., and is low in cost.
In the present invention, at least part of the casing 1 may be movable relative to the drill pipe 200, and it may be understood that the casing 1 may be movable as a whole relative to the drill pipe 200, or that a part of the casing 1 may be movable relative to the drill pipe 200, and another part of the casing 1 may be fixed relative to the drill pipe 200.
Of course, when the housing 1 is in the open state, at least the detection component of the instrument pod 300 is located outside the housing 1, and it may be understood that when the housing 1 is in the open state, the instrument pod 300 may be entirely exposed to the outside of the housing 1, or a part of the structure of the instrument pod 300 may be exposed to the outside of the housing 1, that is, only a portion of the carrier 310 corresponding to the detection component is exposed to the outside of the housing 1.
Specifically, referring to fig. 1 and 2, the housing 1 includes an upper protection tube 11 and a lower protection tube 12, the upper protection tube 11 is used for being sleeved in the steel sleeve 220, the lower protection tube 12 is movable along the axial direction of the detection drill rod 200 relative to the upper protection tube 11, when the housing 1 is in the closed state, the upper protection tube 11 and the lower protection tube 12 enclose the instrument pod 300, when the housing 1 is in the open state, the upper protection tube 11 and the lower protection tube 12 are distributed at intervals along the axial direction of the detection drill rod 200, and the detection assembly of the instrument pod 300 is located between the upper protection tube 11 and the lower protection tube 12. In this way, the housing 1 is closed and opened by gathering and separating the upper protection tube 11 and the lower protection tube 12, so as to meet the requirements of different use states of the instrument cabin 300, not only can protect the structure of the instrument cabin 300 in the drilling process, but also can facilitate the use of the detection assembly in the detection process.
In the present invention, the upper protection pipe 11 and the lower protection pipe 12 may be assembled and separated by a motor-push rod driving assembly or the like.
Specifically, referring to fig. 1 and 2, in an embodiment of the present invention, at least one driving motor and an upper thrust bearing 4 are disposed in the upper protection tube 11 and used for sleeving the outer periphery of the mandrel 210, the upper thrust bearing 4 is located between the first elastic member 21 and the second elastic member 22, and is fixedly connected to the first elastic member 21 and is connected to the inner wall of the upper protection tube 11, and the driving motor is in driving connection with the upper thrust bearing 4 to drive the upper thrust bearing 4 to rotate around the axis of the probe drill rod 200 and drive the mandrel 210 to rotate; the lower protecting tube 12 is internally provided with a lower thrust bearing 5, the lower thrust bearing 5 is arranged on the periphery of the mandrel 210 in a sleeved mode, is arranged at the lower end of the instrument cabin 300, is in threaded connection with the lower protecting tube 12, so that when the upper thrust bearing 4 drives the mandrel 210 to rotate, the lower thrust bearing 5 is stressed by the mandrel 210 to rotate, and drives the lower protecting tube 12 to move close to or far away from the upper protecting tube 11. Therefore, the upper protection tube 11 and the lower protection tube 12 are gathered and separated through the transmission connection among the driving motor, the upper thrust bearing 4 and the lower thrust bearing 5, and the structure is not positioned in the detection range of the detection assembly when the detection assembly detects, so that the detection precision of the detection assembly is ensured.
In the present invention, the number of the driving motors is not limited, and may be one, two, three, etc., which may be set according to specific requirements. Specifically, in one embodiment of the present invention, three driving motors are provided.
Further, a sliding block 6 is disposed in the upper protection tube 11, and the sliding block 6 is sleeved on the periphery of the driving motor, so as to fix the driving motor, thereby overcoming the reactive torque generated in the independent rotation measurement process of the instrument pod 300.
In the deep exploration process, the drill rod can vibrate during drilling or lifting, and the mandrel 210 can also rotate, so that the upper protection pipe 11 is in sliding oil-sealed connection with the mandrel 210, and the mandrel 210 can move up and down relative to the upper protection pipe 11, so that the stability of the movement of the mandrel 210 is ensured. More specifically, the upper protection pipe 11 and the mandrel 210 are oil-sealed and connected by a TC framework. Further, a limiting block 7 is disposed in the upper protection tube 11, the limiting block 7 is disposed above the sliding block 6, the sliding block 6 can slide along the axial direction of the detection drill rod 200 between the limiting block 7 and the first elastic member 21, that is, when the mandrel 210 moves along the up-down direction, the sliding block 6 is driven to move, but only can move within a certain range through the limiting block 7 and the first elastic member 21, thereby limiting the movement range of the mandrel 210 and improving the movement stability.
Specifically, based on the above-mentioned "the shock absorbing device 100 further includes the third shock absorbing assembly 3, the third shock absorbing assembly 3 includes an embodiment of the third elastic member 31", a side of the lower thrust bearing 5 near the drill bit 400 is connected with a buffer member, the third elastic member 31 is fixedly connected to the lower side of the connecting buffer member 8, and when the third elastic member 31 is compressed under force, the stress of the lower thrust bearing 5 is reduced, so as to reduce the damage.
It should be noted that the above two technical features may be alternatively or simultaneously provided, and in particular, referring to fig. 1 and 2, in an embodiment of the present invention, the above two technical features are simultaneously provided, that is, the upper protection tube 11 is in oil-sealed connection with the mandrel 210, a sliding block 6 and a limiting block 7 are disposed in the upper protection tube 11, the sliding block 6 is sleeved on the periphery of the driving motor, so as to fix the driving motor, the limiting block 7 is disposed above the sliding block 6, the sliding block 6 may slide between the limiting block 7 and the first elastic member 21 along the axial direction of the probe drill rod 200, and the damping device 100 further includes a third damping assembly 3, the third damping assembly 3 includes a third elastic member 31, one side of the lower thrust bearing 5, which is close to the drill bit 400, is connected with a connection buffer member 8, and the third elastic member 31 is fixedly connected with the lower side of the connection buffer member 8.
Specifically, the damping device 100 further includes a first multi-stage sealing ring 9, where the first multi-stage sealing ring 9 is sleeved on the periphery of the mandrel 210 and is located between the upper thrust bearing 4 and the first elastic member 21, so as to further reduce impact vibration to the nacelle 300 during drilling.
Specifically, the damping device 100 further includes a second multi-stage sealing ring 10, where the second multi-stage sealing ring 10 is sleeved on the outer periphery of the nacelle 300 and is disposed on the upper side of the lower thrust bearing 5, so that impact vibration to the nacelle 300 is further reduced during the lifting process of the nacelle 300.
It should be noted that the above two technical features may be alternatively or simultaneously provided, and in particular, referring to fig. 1 and 2, in an embodiment of the present invention, the two technical features are simultaneously provided, that is, the damping device 100 further includes a first multi-stage sealing ring 9, where the first multi-stage sealing ring 9 is sleeved on the periphery of the mandrel 210 and is located between the upper thrust bearing 4 and the first elastic member 21; the damping device 100 further comprises a second multi-stage sealing ring 10, wherein the second multi-stage sealing ring 10 is sleeved on the periphery of the instrument cabin 300 and is arranged on the upper side of the lower thrust bearing 5; thereby further reducing vibration during deep probing and protecting the structure of the pod 300.
Specifically, referring to fig. 1 and 2, the outer periphery of the housing 1 is provided with a wear-resistant sleeve 13, so as to enhance the wear resistance of the housing 1. More specifically, the wear-resistant sheath 13 is formed by applying a wear-resistant material to the outer peripheral wall of the housing 1. Further, based on the above-mentioned embodiment that the casing 1 includes the upper protection tube 11 and the lower protection tube 12, the upper protection tube 11 is used for being sleeved in the steel sleeve 220, the lower protection tube 12 may be relatively moved along the axial direction of the probe drill rod 200 with respect to the upper protection tube 11, the wear-resistant sleeve 13 includes a first wear-resistant sleeve and a second wear-resistant sleeve, the first wear-resistant sleeve is disposed on the outer periphery of the upper protection tube 11, and the second wear-resistant sleeve is disposed on the outer periphery of the lower protection tube.
In the present invention, referring to fig. 1 and 2, the deep ground detection device 1000 further includes a plurality of drill rods, an instrument pod 300, a drill bit 400, and a damping device 100, where the plurality of drill rods are sequentially connected in an up-down direction, the plurality of drill rods include a detection drill rod 200 at a bottom end, and the instrument pod 300 includes a carrier 310 and a detection assembly accommodated in the carrier 310; the drill bit 400 is disposed at the lower end of the probe drill rod 200.
It should be noted that the above-mentioned shock absorbing device 100 is the shock absorbing device 100 described above, that is, the deep-ground detection device 1000 has all the technical features of all the embodiments of the above-mentioned shock absorbing device 100, that is, all the technical effects brought by all the technical features described above are not described in detail herein.
Further, the plurality of drill rods include a cabled drill rod, the upper end of the detection drill rod 200 is connected with the cabled drill rod, the cable in the cabled drill rod is electrically connected with an external terminal, and the mandrel 210 of the detection drill rod 200 is connected with the joint of the cabled drill rod, so that the cable in the cabled drill rod is electrically connected with the detection assembly in the instrument pod 300.
Further, referring to fig. 1 and 2, the detection assembly includes a controller, a video sensor 320, a sonar sensor 330, and a three-dimensional laser radar sensor 340, where the controller is electrically connected to an external terminal, and the video sensor 320, the sonar sensor 330, and the three-dimensional laser radar sensor 340 are respectively electrically connected to the controller, so that detection signals detected by the video sensor 320, the sonar sensor 330, and the three-dimensional laser radar sensor 340 are transmitted to the controller, and are transmitted to the external data processing platform by the controller to generate detection results.
More specifically, the external terminal includes a computer.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The utility model provides a damping device for among the detection device deeply, detection device deeply still includes a plurality of drilling rods, instrument shelter and drill bit, and is a plurality of the drilling rods connect gradually along upper and lower direction and set up, a plurality of the drilling rods are including the detection drilling rod that is located the bottom, the periphery cover of the dabber of detection drilling rod is equipped with the instrument shelter, and the lower extreme is connected with the drill bit, the instrument shelter includes the carrier, and the holding in detection component in the carrier, its characterized in that, damping device includes:
the shell is sleeved in the steel sleeve of the detection drill rod, sleeved on the periphery of the mandrel of the detection drill rod and arranged on the upper side of the drill bit, at least part of the shell can move relative to the detection drill rod to have a closed state and an open state, when the shell is in the closed state, the shell is sleeved on the periphery of the instrument cabin so that the instrument cabin is accommodated and sealed in the shell, and when the shell is in the open state, at least the detection component of the instrument cabin is positioned outside the shell;
the first damping component comprises a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are sequentially distributed at intervals along the up-down direction on one side of the instrument cabin far away from the drill bit;
and the second damping component comprises a buffer piece which is arranged in the carrier of the instrument cabin and used for filling the gap between the detection component and the carrier.
2. The shock absorbing device of claim 1, further comprising a third shock absorbing assembly comprising a third resilient member disposed on a side of the pod adjacent the drill bit.
3. The shock absorbing device as defined in claim 1, wherein the length of the first resilient member is greater than the length of the second resilient member.
4. The cushioning device of claim 1, wherein said cushioning member comprises a rubber member.
5. The shock absorbing device as defined in claim 1, wherein the housing includes an upper protective tube and a lower protective tube, the upper protective tube being adapted to be sleeved in the steel sleeve, the lower protective tube being movable relative to the upper protective tube in an axial direction of the probe drill rod, the upper protective tube and the lower protective tube enclosing the instrumentation capsule when the housing is in the closed state, the upper protective tube and the lower protective tube being spaced apart in the axial direction of the probe drill rod when the housing is in the open state, and the probe assembly of the instrumentation capsule being located between the upper protective tube and the lower protective tube.
6. The damping device according to claim 5, wherein the upper protection tube is internally provided with at least one driving motor and an upper thrust bearing which are sleeved on the periphery of the mandrel, the upper thrust bearing is positioned between the first elastic piece and the second elastic piece, is fixedly connected with the first elastic piece and is connected with the inner wall of the upper protection tube, and the driving motor is in driving connection with the upper thrust bearing so as to drive the upper thrust bearing to rotate around the axis of the detection drill rod and drive the mandrel to rotate;
the lower protection pipe is internally provided with a lower thrust bearing, the lower thrust bearing is used for being sleeved on the periphery of the mandrel, is arranged at the lower end of the instrument cabin and is in threaded connection with the lower protection pipe, so that when the upper thrust bearing drives the mandrel to rotate, the lower thrust bearing is stressed by the mandrel to rotate and drive the lower protection pipe to move close to or away from the upper protection pipe.
7. The damping device according to claim 6, wherein the upper protection tube is in sliding oil seal connection with the mandrel, a sliding block and a limiting block are arranged in the upper protection tube, the sliding block is sleeved on the periphery of the driving motor and used for fixing the driving motor, the limiting block is arranged above the sliding block, and the sliding block can slide between the limiting block and the first elastic piece along the axial direction of the detection drill rod; and/or the number of the groups of groups,
the damping device further comprises a third damping component, the third damping component comprises a third elastic piece, one side, close to the drill bit, of the lower thrust bearing is connected with a connecting buffer piece, and the third elastic piece is fixedly connected to the lower side of the connecting buffer piece.
8. The shock absorbing device of claim 1, further comprising a first multi-stage seal ring sleeved on the periphery of the mandrel and positioned between the upper thrust bearing and the first elastic member; and/or the number of the groups of groups,
the damping device further comprises a second multistage sealing ring, wherein the second multistage sealing ring is sleeved on the periphery of the instrument cabin and is arranged on the upper side of the lower thrust bearing.
9. The shock absorbing device as defined in claim 1, wherein the outer periphery of the housing is provided with a wear sleeve.
10. A deep soil detecting apparatus, comprising:
the drill rods are sequentially connected in the up-down direction, and the drill rods comprise detection drill rods positioned at the bottom ends;
the instrument cabin is sleeved on the periphery of the detection drill rod and comprises a carrier and a detection assembly accommodated in the carrier;
the drill bit is arranged at the lower end of the detection drill rod; the method comprises the steps of,
a shock absorbing device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845100.3A CN117052830A (en) | 2023-07-10 | 2023-07-10 | Damping device and deep ground detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310845100.3A CN117052830A (en) | 2023-07-10 | 2023-07-10 | Damping device and deep ground detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117052830A true CN117052830A (en) | 2023-11-14 |
Family
ID=88663477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310845100.3A Pending CN117052830A (en) | 2023-07-10 | 2023-07-10 | Damping device and deep ground detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117052830A (en) |
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2023
- 2023-07-10 CN CN202310845100.3A patent/CN117052830A/en active Pending
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