CN117449785A - Automatic loading and unloading device for logging radioactive source - Google Patents
Automatic loading and unloading device for logging radioactive source Download PDFInfo
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- CN117449785A CN117449785A CN202210843811.2A CN202210843811A CN117449785A CN 117449785 A CN117449785 A CN 117449785A CN 202210843811 A CN202210843811 A CN 202210843811A CN 117449785 A CN117449785 A CN 117449785A
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- 230000002285 radioactive effect Effects 0.000 title claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000004804 winding Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 208000019155 Radiation injury Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 20
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 239000012857 radioactive material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 239000000725 suspension 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
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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
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
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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
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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)
- Measurement Of Radiation (AREA)
Abstract
The invention provides an automatic loading and unloading device for a logging radioactive source, and relates to the technical field of petroleum logging equipment. The automatic loading and unloading device of the logging radioactive source comprises a mounting bracket, a cable retracting mechanism and a remote control mechanism, wherein a mobile platform is arranged on the mounting bracket and is used for placing a storage tank for storing the logging radioactive source; the cable winding and unwinding mechanism is arranged on the mounting bracket, a first end of a cable for loading and unloading the logging radioactive source is connected with the cable winding and unwinding mechanism, and a grabbing tool at a second end of the cable is hung for loading and unloading the logging radioactive source; the remote control mechanism is used for controlling the mobile platform and the cable winding and unwinding mechanism. Based on the technical scheme of the invention, the loading and unloading of the logging radioactive source can be completed only by an operator holding the remote control mechanism, and the near-body operation of the operator is not needed, so that the radiation injury to the operator in the loading and unloading process of the logging radioactive source is reduced.
Description
Technical Field
The invention relates to the technical field of petroleum logging equipment, in particular to a logging radioactive source automatic loading and unloading device.
Background
A radioactive source is a generic term for a radiation source made of radioactive materials. The radioactive source is generally marked with the intensity of the activity of the prepared radionuclide, and can also be marked with the intensity of the radiation emissivity or fluence rate. Conventionally, radiation sources with high activity or high emissivity used for nondestructive inspection, radiotherapy and radiation treatment are called radiation sources, and radiation application technologies based on the radiation sources are widely applied in the fields of industry, agriculture, medicine, resources, environment, military, scientific research and the like, and the radiation sources can be classified into alpha radiation sources, beta radiation sources, gamma radiation sources, neutron sources and the like according to the types of the released radiation; the radioactive sources can be classified into sealed radioactive sources (radioactive materials are sealed in a certain-requirement-met enclosure) and unsealed radioactive sources (radioactive materials without an enclosure) according to the packaging mode of the radioactive sources, and most industrial, agricultural and medical radioactive sources are sealed radioactive sources.
The petroleum logging equipment also uses a radioactive source, and the radioactive source is usually taken out of a source tank and put into a logging instrument, and is taken out of the logging instrument and put into the source tank by manually wearing protective clothing near body operation, but due to the lack of a special radioactive source automatic loading and unloading device, a lot of inconvenience is brought to the actual operation of the radioactive source, and radiation injury of operators cannot be avoided.
Disclosure of Invention
To the above-mentioned problem among the prior art, the application provides a logging radioactive source automatic handling device to carry out automatic handling to the logging radioactive source, reduce the radiation injury to operating personnel.
The invention provides an automatic loading and unloading device for a logging radioactive source, which comprises the following components:
the device comprises a mounting bracket, wherein a mobile platform is arranged on the mounting bracket and is used for placing a storage tank for storing a logging radioactive source;
the cable winding and unwinding mechanism is arranged on the mounting bracket, a first end of a cable for loading and unloading the logging radioactive source is connected with the cable winding and unwinding mechanism, and a second end of the cable is suspended and provided with a grabbing tool for loading and unloading the logging radioactive source; and
the remote control mechanism is used for controlling the mobile platform and the cable winding and unwinding mechanism.
As a further improvement of the above technical scheme:
the logging radioactive source automatic loading and unloading device comprises a drum assembly, a cable winding and unwinding mechanism and a cable winding and unwinding mechanism, wherein the first end of the cable is connected with the drum assembly, the drum assembly is used for winding and accommodating the cable, the cable winding and unwinding mechanism is provided with a sliding part capable of axially moving along the drum assembly, and the cable is wound on the drum assembly through the sliding part.
The logging radioactive source automatic loading and unloading device further comprises a roller and a rotation driving piece for driving the roller to rotate, the rope arranging assembly comprises a threaded rod, a guide rod parallel to the threaded rod and a sliding block driven by the threaded rod and moving along the guide rod, a transmission mechanism is arranged between the roller and the threaded rod, and a limiting structure for the cable to pass through is arranged on the sliding block;
wherein, the cylinder rotates a round, the slider removes the distance of one time the cable diameter.
The logging radioactive source automatic loading and unloading device is characterized in that the mounting bracket is provided with a guide rail and a movable driving piece, and the movable driving piece is used for driving the movable platform to reciprocate along the guide rail.
The logging radioactive source automatic loading and unloading device further comprises a cable centralizing mechanism, wherein the cable centralizing mechanism is arranged on the mounting bracket and used for limiting the second end of the cable hanging on the horizontal plane.
The logging radioactive source automatic loading and unloading device comprises a cable centering mechanism, wherein the cable centering mechanism comprises a centering support and a limiting ring, the centering support is arranged on the mounting support, the limiting ring is arranged on the centering support, and the second end of the cable penetrates through and is limited on the limiting ring.
The logging radioactive source automatic loading and unloading device further comprises a drill rod clamping mechanism, wherein the drill rod clamping mechanism is arranged on the mounting bracket and used for clamping and positioning a logging drill rod.
The logging radioactive source automatic loading and unloading device comprises a plurality of vertical guide posts, a plurality of guide posts, a clamping assembly and a plurality of guide posts, wherein the guide posts are fixedly arranged on the mounting bracket, the clamping bracket is slidably arranged on the guide posts, and the clamping assembly is arranged on the clamping bracket.
The logging radioactive source automatic loading and unloading device further comprises two clamping blocks which are oppositely arranged, and at least one of the two clamping blocks is matched with the clamping support in a sliding mode.
The logging radioactive source automatic loading and unloading device further comprises an adjusting bolt, wherein the adjusting bolt is installed on the clamping support and can keep the clamping block and the clamping support relatively fixed.
The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present invention can be achieved.
Compared with the prior art, the automatic loading and unloading device for the logging radioactive source has the following beneficial effects: when the logging radioactive source stored in the storage tank is required to be placed in a logging instrument below a drill rod, the logging radioactive source automatic loading and unloading device provided by the invention is transported and placed above the drill rod, the remote control mechanism is used for controlling the cable retraction mechanism, a grabbing tool at the second end of the cable stretches into the storage tank to grab the logging radioactive source, the logging radioactive source is lifted out of the storage tank, the remote control mechanism is used for controlling the mobile platform to move, the mobile platform removes the storage tank, the remote control mechanism is used for controlling the cable retraction mechanism, the logging radioactive source is lowered into the logging instrument connected below the drill rod, and finally the grabbing tool at the second end of the cable releases the logging radioactive source and is retracted through the cable retraction mechanism; when the logging radioactive source placed in the logging instrument below the drill rod needs to be dismantled, the remote control mechanism is used for controlling the cable retracting mechanism, the grabbing tool at the second end of the cable stretches into the logging instrument below the drill rod to grab the logging radioactive source, the logging radioactive source is lifted to be higher than the storage tank, the remote control mechanism is used for controlling the moving platform to move, the moving platform moves the storage tank to the position below the logging radioactive source, the remote control mechanism is used for controlling the cable retracting mechanism, the logging radioactive source is placed in the storage tank and released, and finally the grabbing tool at the second end of the cable is retracted through the cable retracting mechanism. By using the automatic loading and unloading device for the logging radioactive source, the loading and unloading of the logging radioactive source can be completed only by an operator holding the remote control mechanism, and the near-body operation of the operator is not needed, so that the radiation injury to the operator in the loading and unloading process of the logging radioactive source is reduced.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 shows a schematic perspective view of a log source loading and unloading device according to an embodiment of the present invention;
FIG. 2 shows a front view of an automatic loading and unloading device for a logging radioactive source according to an embodiment of the present invention;
FIG. 3 shows a top view of a log source automatic loading and unloading device provided by an embodiment of the invention; and
fig. 4 is a schematic perspective view of a drill pipe clamping mechanism of an automatic loading and unloading device for a logging radioactive source according to an embodiment of the present invention.
In the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Reference numerals:
100-automatic loading and unloading device of logging radioactive source; 110-mounting a bracket; 111-a mobile platform; 112-a guide rail; 113-a movement driver; 114-a storage tank; 120-a cable reel mechanism; 121-a roller assembly; 122-a rope assembly; 123-roller; 124-a rotational drive; 125-main gear; 126-threaded rod; 127-pinion; 128-sliders; 129-guide bar; 140-a cable centering mechanism; 141-righting the bracket; 142-limiting rings; 150-a drill rod clamping mechanism; 151-clamping a bracket; 152-a clamping assembly; 153-guide posts; 154-clamping guide bar; 155-clamping blocks; 156-adjusting bolts; 160-positioning mechanism.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The invention will be further described with reference to the accompanying drawings.
The embodiment of the invention provides a logging radioactive source automatic loading and unloading device 100, which is used for automatically loading and unloading a logging radioactive source and reducing radiation injury to operators.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a logging-radiation-source automatic loading and unloading device 100, where the logging-radiation-source automatic loading and unloading device 100 includes a mounting bracket 110, a cable-retracting mechanism 120 and a remote control mechanism (not shown), a mobile platform 111 is disposed on the mounting bracket 110, and the mobile platform 111 is used for placing a storage tank 114 for storing a logging radiation source; the cable retraction jack 120 is mounted on the mounting bracket 110, a first end of a cable for loading and unloading the logging radioactive source is connected with the cable retraction jack 120, and a grabbing tool at a second end of the cable is hung for loading and unloading the logging radioactive source; the remote control mechanism is used to control the mobile platform 111 and the cable jack 120.
When the logging radiation source stored in the storage tank 114 is required to be placed in a logging instrument below a drill rod, the logging radiation source automatic loading and unloading device 100 provided by the invention is transported and placed above a wellhead drill rod joint, the remote control mechanism is used for controlling the cable retraction mechanism 120, a grabbing tool at the second end of the cable stretches into the storage tank 114 to grab the logging radiation source, the logging radiation source is lifted out of the storage tank 114, the remote control mechanism is used for controlling the mobile platform 111 to move, the mobile platform 111 removes the storage tank 114, the remote control mechanism is used for controlling the cable retraction mechanism 120 to lower the logging radiation source into the logging instrument below the drill rod, and finally the grabbing tool at the second end of the cable releases the logging radiation source and is retracted through the cable retraction mechanism 120.
When the logging radioactive source placed in the logging instrument below the drill rod needs to be dismantled, the remote control mechanism is used for controlling the cable retraction mechanism 120, the grabbing tool at the second end of the cable extends into the logging instrument below the drill rod to grab the logging radioactive source, the logging radioactive source is lifted to be higher than the storage tank 114, the remote control mechanism is used for controlling the moving platform 111 to move, the moving platform 111 moves the storage tank 114 to the position below the logging radioactive source, the remote control mechanism is used for controlling the cable retraction mechanism 120, the logging radioactive source is placed in the storage tank 114 and released, and finally the grabbing tool at the second end of the cable is retracted through the cable retraction mechanism 120.
By using the automatic loading and unloading device 100 for the logging radioactive source provided by the embodiment of the invention, the loading and unloading of the logging radioactive source can be completed only by an operator holding a remote control mechanism, and the near-body operation of the operator is not needed, so that the radiation injury to the operator in the loading and unloading process of the logging radioactive source is greatly reduced.
In a specific embodiment, the gripping tool at the second end of the cable is suspended above the moving platform 111 through the pulley block, in this embodiment, a pulley bracket is additionally provided, a pulley is installed on the pulley bracket, and the gripping tool at the second end of the cable is suspended above the moving platform 111 through the pulley installed on the installation bracket 110 first and then through the pulley on the pulley bracket. Of course, it is understood that the pulley bracket may also be mounted to the mounting bracket 110, which is not limited herein.
Referring to fig. 3 in detail, a cable winding and unwinding mechanism 120 includes a drum assembly 121 and a cable winding and unwinding mechanism 122, a first end of a cable is connected to the drum assembly 121, the drum assembly 121 is used for winding and accommodating the cable, the cable winding and unwinding mechanism 122 has a sliding portion capable of axially reciprocating along the drum assembly 121, the cable is wound on the drum assembly 121 via the sliding portion, and the sliding portion aligns the cable wound and accommodated on the drum assembly 121. The drum assembly 121 is rotated to wind or separate the cable from the drum assembly 121, so that the gripping tool at the second end of the cable is lifted or lowered, and when the cable is required to be wound on the drum assembly 121, the cable arranging assembly 122 arranges the cable in order to enable the cable to be neatly arranged and wound on the drum assembly 121.
The roller assembly comprises a roller and a rotation driving piece connected with the roller, the rope arrangement assembly comprises a threaded rod, a guide rod parallel to the threaded rod and a sliding block matched with the threaded rod and the guide rod at the same time, a transmission mechanism is arranged between the roller and the threaded rod, and a limiting structure for a cable to pass through is arranged on the sliding block; wherein, the cylinder rotates a round, and the slider removes the distance of one time cable diameter. More specifically, the roller assembly 121 includes a roller 123, a rotation driving member 124 and a main gear 125, the rotation driving member 124 is connected with the roller 123, the main gear 125 is connected with the roller 123, the rotation driving member 124 is used for driving the roller 123 and the main gear 125 to rotate, the rope arrangement assembly 122 includes a threaded rod 126, a pinion 127, a slider 128 and a guide rod 129, the pinion 127 is mounted at one end of the threaded rod 126, the pinion 127 is meshed with the main gear 125, the slider 128 is used for orderly arranging cables wound and stored on the roller 123, the main gear 125 rotates to drive the pinion 127 to rotate, the threaded rod 126 is used for driving the slider 128 to move along the guide rod 129, and the slider 128 moves by one time the distance of the cable diameter when the roller 123 rotates for one circle. When the cable is wound on the roller 123, the pinion 127 rotates along with the main gear 125 and drives the threaded rod 126 to rotate, the threaded rod 126 drives the sliding block 128 to move along the guide rod 129, the sliding block 128 is used for orderly arranging the cable wound on the roller 123, and when the roller 123 rotates for a circle, the sliding block 128 moves by a distance of one time of the diameter of the cable, so that the cable wound on the roller 123 can be arranged side by side in a compact way. In this embodiment, a roller is disposed within the slider 128 that cooperates with the threaded rod 126, and movement of the roller along the threaded rod 126 causes movement of the slider 128 along the guide rod 129.
In a specific embodiment, the rotation driving member 124 is a driving motor, one end of the drum 123 is mounted on an output shaft of the driving motor, the main gear 125 is mounted on the other end of the drum 123, and the axial directions of the threaded rod 126 and the guide rod 129 are parallel to the axial direction of the drum 123. Of course, it should be understood that other components may be used for the rotation driving member 124, and only the bidirectional rotation of the drum 123 may be realized, and the main gear 125 may be mounted on other portions of the drum 123, and only the auxiliary gear 127 may be driven to rotate, which is not limited herein.
Referring to fig. 2 in detail, a guide rail 112 and a moving driving member 113 are provided on a mounting bracket 110, and the moving driving member 113 is used for driving a moving platform 111 to reciprocate along the guide rail 112. In this embodiment, the number of the guide rails 112 is two, the moving platform 111 reciprocates along the two guide rails 112, so that the movement of the moving platform 111 is more stable, the moving driving member 113 uses a linear motor, which is convenient for the remote control mechanism to precisely control the moving driving member, of course, it is understood that the number of the guide rails 112 can be other, and the moving driving member 113 can also use other components, such as a telescopic cylinder, only needs to realize the reciprocating movement of the moving platform 111, which is not limited herein.
Referring to fig. 1 and 2 in detail, the logging-radiation-source automatic loading and unloading device 100 according to the embodiment of the present invention further includes a cable centering mechanism 140, where the cable centering mechanism 140 is mounted on the mounting bracket 110, and the cable centering mechanism 140 is used to limit the second end of the cable suspension on the horizontal plane. Because the gripping tool at the second end of the cable hangs and is subject to shaking due to external force, and the mouth of the storage tank 114 and the orifice of the drill rod are small, the gripping tool at the second end of the cable is not easy to align with the mouth of the storage tank 114 and the orifice of the drill rod, and therefore, the cable centering mechanism 140 is arranged to limit the shaking of the cable, so that the gripping tool at the second end of the cable is easy to align with the mouth of the storage tank 114 and the orifice of the drill rod.
Specifically, the cable centering mechanism 140 includes a centering bracket 141 and a limiting ring 142, the centering bracket 141 is mounted on the mounting bracket 110, the limiting ring 142 is mounted on the centering bracket 141, and a gripping tool at the second end of the cable passes through and is limited to the limiting ring 142. The centralizing frame 141 is a herringbone frame, and a limiting ring 142 is installed at one side of the upper end of the centralizing frame 141, and the limiting ring 142 can be aligned with the mouth of the storage tank 114 and the hole of the drill rod. In this embodiment, the mouth of the storage tank 114 is funnel-shaped, so that the gripping tool at the second end of the cable can position the logging radiation source in the storage tank 114.
Referring to fig. 1, 2 and 4 in detail, the logging-radiation-source automatic loading and unloading device 100 according to the embodiment of the present invention further includes a drill-rod clamping mechanism 150, where the drill-rod clamping mechanism 150 is mounted on the mounting bracket 110, and the drill-rod clamping mechanism 150 is used for clamping and positioning the logging drill rod. The drill rod clamping mechanism 150 is arranged to clamp and position the logging drill rod, so that the drill rod is prevented from moving relative to the automatic loading and unloading device 100 for the logging radioactive source, which is provided by the embodiment of the invention, and the logging radioactive source is positioned and placed in a logging instrument below the drill rod by a grabbing tool at the second end of the cable.
Specifically, the rod clamping mechanism 150 includes a clamping bracket 151, a clamping assembly 152 and a plurality of vertically disposed guide posts 153, the plurality of guide posts 153 are fixedly mounted on the mounting bracket 110, the clamping bracket 151 is slidably and limitedly mounted on the plurality of guide posts 153 via a limiting member, and the clamping assembly 152 is mounted on the clamping bracket 151. The position of the clamping bracket 151 on the guide post 153 is adjusted to accommodate drill rods of different heights to facilitate clamping of the drill rod by the clamping assembly 152. The mounting bracket 110 above the drill pipe clamping mechanism 150 is also provided with a funnel-shaped positioning mechanism 160, and the positioning mechanism 160 is aligned with the orifice of the drill pipe, so that the gripping tool at the second end of the cable can position and place the logging radioactive source below the drill pipe.
In a specific embodiment, the clamping assembly 152 includes two clamping bars 154, two mutually cooperating clamping blocks 155, and an adjusting bolt 156, the two clamping bars 154 are mounted on the clamping bracket 151, one clamping block 155 is fixedly mounted on the two clamping bars 154, the other clamping block 155 is slidably mounted on the two clamping bars 154, and the adjusting bolt 156 is mounted on the clamping bracket 151 for adjusting the position of the other clamping block 155. When the clamping support is used, the clamping support 151 is adjusted to be at the position on the guide column 153, so that the height of the clamping blocks 155 is not higher than the height of the end part of a drill rod, the drill rod is located between the two clamping guide rods 154, the clamping blocks 155 fixedly mounted on the two clamping guide rods 154 are attached to the outer wall of the drill rod, the adjusting bolt 156 is adjusted, the other clamping blocks 155 are attached to the outer wall of the drill rod, and the clamping blocks 155 fixedly mounted on the two clamping guide rods 154 are matched with each other to clamp the drill rod.
In another specific embodiment, the clamping assembly 152 includes two clamping guide rods 154, two mutually matched clamping blocks 155 and two adjusting bolts 156, the two clamping guide rods 154 are mounted on the clamping bracket 151, the two clamping blocks 155 are slidably mounted on the two clamping guide rods 154, the two adjusting bolts 156 are mounted on the clamping bracket 151, and the two adjusting bolts 156 are in one-to-one correspondence with the two clamping blocks 155 for adjusting the positions of the clamping blocks 155. When the automatic loading and unloading device is used, the clamping support 151 is adjusted to be at the position on the guide column 153, so that the height of the clamping blocks 155 is not higher than the height of the end part of a drill rod, the drill rod is located between the two clamping guide rods 154, the two adjusting bolts 156 are adjusted, the two clamping blocks 155 are respectively attached to the outer wall of the drill rod, the two clamping blocks 155 are matched with the clamping drill rod, and the whole automatic loading and unloading device 100 of the logging radioactive source is fixedly positioned with the wellhead drill rod.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (10)
1. An automatic loading and unloading device for a logging radioactive source, characterized in that the automatic loading and unloading device for the logging radioactive source comprises:
the device comprises a mounting bracket, wherein a mobile platform is arranged on the mounting bracket and is used for placing a storage tank for storing a logging radioactive source;
the cable winding and unwinding mechanism is arranged on the mounting bracket, a first end of a cable for loading and unloading the logging radioactive source is connected with the cable winding and unwinding mechanism, and a second end of the cable is suspended and provided with a grabbing tool for loading and unloading the logging radioactive source; and
the remote control mechanism is used for controlling the mobile platform and the cable winding and unwinding mechanism.
2. The logging radial source automatic handling device of claim 1, wherein the cable pay-off and take-up mechanism comprises a drum assembly and a rope assembly, the first end of the cable is connected to the drum assembly, the drum assembly is configured to wind and receive the cable, the rope assembly has a sliding portion that is axially movable along the drum assembly, and the cable is wound around the drum assembly via the sliding portion.
3. The logging radiology source automatic loading and unloading device according to claim 2, wherein the roller assembly comprises a roller and a rotation driving piece for driving the roller to rotate, the rope arrangement assembly comprises a threaded rod, a guide rod parallel to the threaded rod and a sliding block driven by the threaded rod and moving along the guide rod, a transmission mechanism is arranged between the roller and the threaded rod, and a limiting structure for the cable to pass through is arranged on the sliding block;
wherein, the cylinder rotates a round, the slider removes the distance of one time the cable diameter.
4. The logging radiological source automatic handling device of claim 1, wherein a guide rail and a movement driving member are provided on the mounting bracket, and the movement driving member is configured to drive the moving platform to reciprocate along the guide rail.
5. The logging source automatic loading and unloading device of claim 1, further comprising a cable centering mechanism mounted on the mounting bracket for limiting the second end of the cable overhang on a horizontal plane.
6. The logging radial source automatic handling device of claim 5, wherein the cable centering mechanism comprises a centering bracket mounted on the mounting bracket and a stop collar mounted on the centering bracket, the second end of the cable passing through and being limited to the stop collar.
7. The logging source automatic loading and unloading device according to claim 1, further comprising a drill pipe clamping mechanism mounted on the mounting bracket, the drill pipe clamping mechanism being used for clamping and positioning logging drill pipe.
8. The logging radial source automatic handling device of claim 7, wherein the drill pipe clamping mechanism comprises a clamping bracket, a clamping assembly and a plurality of vertically disposed guide posts, a plurality of the guide posts being fixedly mounted on the mounting bracket, the clamping bracket being slidably mounted on a plurality of the guide posts, the clamping assembly being mounted on the clamping bracket.
9. The logging radial source automatic handling device of claim 8, wherein the clamp assembly comprises two oppositely disposed clamp blocks, at least one of the clamp blocks slidably engaging the clamp bracket.
10. The logging radial source automatic handling device of claim 9, wherein the clamping assembly further comprises an adjustment bolt mounted to the clamping bracket capable of maintaining the clamping block and the clamping bracket relatively fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210843811.2A CN117449785A (en) | 2022-07-18 | 2022-07-18 | Automatic loading and unloading device for logging radioactive source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210843811.2A CN117449785A (en) | 2022-07-18 | 2022-07-18 | Automatic loading and unloading device for logging radioactive source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117449785A true CN117449785A (en) | 2024-01-26 |
Family
ID=89587914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210843811.2A Pending CN117449785A (en) | 2022-07-18 | 2022-07-18 | Automatic loading and unloading device for logging radioactive source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117449785A (en) |
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2022
- 2022-07-18 CN CN202210843811.2A patent/CN117449785A/en active Pending
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