CN112975832B - Disassembly and assembly tool for internal bin body of drill collar instrument - Google Patents

Disassembly and assembly tool for internal bin body of drill collar instrument Download PDF

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Publication number
CN112975832B
CN112975832B CN201911294544.2A CN201911294544A CN112975832B CN 112975832 B CN112975832 B CN 112975832B CN 201911294544 A CN201911294544 A CN 201911294544A CN 112975832 B CN112975832 B CN 112975832B
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China
Prior art keywords
drill collar
push
section
pull
tool
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CN201911294544.2A
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Chinese (zh)
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CN112975832A (en
Inventor
陈士金
吕伟
张德军
肖占鹏
焦刚
李梅英
刘伟
张斌
李玮燕
周鋆
赵鹏飞
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China National Petroleum Corp
Aerospace Science and Industry Inertia Technology Co Ltd
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
Aerospace Science and Industry Inertia Technology Co Ltd
CNPC Chuanqing Drilling Engineering Co Ltd
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Application filed by China National Petroleum Corp, Aerospace Science and Industry Inertia Technology Co Ltd, CNPC Chuanqing Drilling Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN201911294544.2A priority Critical patent/CN112975832B/en
Publication of CN112975832A publication Critical patent/CN112975832A/en
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Publication of CN112975832B publication Critical patent/CN112975832B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention provides a tool for disassembling and assembling a cabin body in a drill collar instrument, which comprises a positioning device and a push-pull device, wherein the positioning device and the push-pull device are both arranged on a reference plane, the positioning device can fix a drill collar, one end of the push-pull device is connected with one end of the cabin body, the cabin body can be pushed to be inserted into and assembled in the drill collar through the push-pull device, and the cabin body can be disassembled and pulled out from the interior of the drill collar through the push-pull device. According to the disassembly and assembly tool for the bin body in the drill collar instrument, the drill collar is fixed through the positioning device, the push-pull device is connected with the bin body, the force which is applied to the drill collar through the positioning device and enables the drill collar to be kept motionless and the pulling force or the pushing force which is applied to the bin body by the push-pull device are used for overcoming the assembly force between the bin body and the drill collar, the bin body is directly pulled out of the drill collar to finish disassembly or is directly pushed into the drill collar to finish the assembly, other parts on the drill collar do not need to be disassembled in the process, the workload of workers can be effectively reduced, and the operation is very convenient.

Description

Disassembly and assembly tool for internal bin body of drill collar instrument
Technical Field
The invention relates to the technical field of petroleum instrument tools, in particular to a tool for disassembling and assembling a cabin body in a drill collar instrument.
Background
Most of petroleum field drill collar instruments comprise a drill collar and a bin body arranged inside the drill collar, wherein when the bin body is assembled inside the drill collar, the sealing element is arranged, so that great assembly force is exerted between the drill collar and the bin body.
The bin body is required to be arranged in the drill collar or removed from the drill collar by using a tool during assembly, maintenance and repair, and due to the large assembling force between the bin body and the drill collar, other parts arranged on the drill collar are generally required to be removed in the process of dismounting the bin body in the prior art, so that the workload is large and the operation steps are complicated.
Disclosure of Invention
The invention aims to provide a tool for disassembling and assembling a cabin body in a drill collar instrument, which does not need to disassemble other parts on a drill collar in the process of disassembling and assembling the cabin body, can effectively reduce the workload of workers and has the advantage of convenient operation.
In order to achieve the purpose, the invention provides a tool for disassembling and assembling a cabin body in a drill collar instrument, wherein the tool for disassembling and assembling the cabin body in the drill collar instrument comprises a positioning device and a push-pull device, the positioning device and the push-pull device are both arranged on a reference plane, the positioning device can fix a drill collar, one end of the push-pull device is connected with one end of the cabin body, the cabin body can be pushed to be inserted and assembled in the drill collar through the push-pull device, and the cabin body can be disassembled and pulled out from the interior of the drill collar through the push-pull device.
The tool for disassembling and assembling the internal cabin body of the drill collar instrument comprises a positioning device, a clamping mechanism and a clamping mechanism, wherein the positioning device comprises at least one group of clamping mechanisms, the clamping mechanisms can clamp and fix the drill collar, each group of clamping mechanisms comprises two clamping jaws which are oppositely arranged, the drill collar is arranged between the two clamping jaws of the clamping mechanisms, the two clamping jaws can be synchronously close to each other and clamp and fix the drill collar on the outer surfaces of the two sides of the drill collar, and the two clamping jaws can be synchronously far away from each other and separated from the drill collar.
The disassembly and assembly tool for the inner bin body of the drill collar instrument comprises two clamping jaws, wherein the surfaces of the two clamping jaws, which can be in contact with the drill collar, are provided with anti-skidding elements.
The tool for disassembling and assembling the cabin body in the drill collar instrument comprises a positioning device, a guide mechanism and a clamping mechanism, wherein the positioning device comprises at least one guide rail, at least two guide supports are arranged on the guide rail, the drill collar can be placed on each guide support in a direction that the axis is parallel to the guide rail, the drill collar can move back and forth along the guide rail through each guide support, and when the drill collar is placed on each guide support, the two clamping jaws of the clamping mechanism are respectively positioned on two sides of the drill collar.
The tool for disassembling and assembling the inner bin body of the drill collar instrument comprises a guide rail, a guide support and a guide mechanism, wherein the guide rail is parallel to the guide rail and arranged at intervals, and each guide support is connected with the two guide rails in a rolling or sliding mode.
The disassembly and assembly tool for the cabin body in the drill collar instrument comprises a support, a threaded sleeve, a push-pull assembly, a lead screw and a crank, wherein the lower end of the support is installed on the reference plane, the threaded sleeve is installed and detachably arranged on the support, the lead screw penetrates through the threaded sleeve and is in threaded connection with the threaded sleeve, the push-pull assembly is rotatably connected with one end of the lead screw, the push-pull plate assembly can be detachably connected with one end of the cabin body, the crank can be detachably arranged at the other end of the lead screw, and the crank and the lead screw are kept static in the circumferential direction.
The disassembly and assembly tool for the internal bin body of the drill collar instrument comprises a push-pull plate, two bearings and a connecting shaft, wherein the push-pull plate is provided with a shaft hole along the radial direction, the surfaces of two sides of the push-pull plate are respectively and fixedly connected with a tubular structure, the two tubular structures are coaxially communicated with the shaft hole, the inner diameters of the two tubular structures are larger than the diameter of the shaft hole, the insides of the two tubular structures are coaxially provided with the bearings, and the end surface of one side, close to the push-pull plate, of each bearing is abutted against the surface of the push-pull plate;
the connecting shaft comprises a first section and a second section, the first section is connected with the second section through a transition section, the diameter of the transition section is larger than that of the first section and that of the second section, a first annular abutting surface is formed between the first section and the transition section, the first section penetrates through the two bearings and the shaft hole, the first section is rotatably connected with the two tubular structures and the push-pull plate through the two bearings, one side end surface, facing the transition section, of the bearing close to the transition section abuts against the first annular abutting surface, a clamp spring is sleeved on the first section, and one side end surface, far away from the transition section, of the bearing far away from the transition section is limited and fixed through the clamp spring;
the second section is detachably connected with the screw rod.
The disassembly and assembly tool for the cabin body in the drill collar instrument comprises a first section and a second section, wherein the first section is provided with a connecting shaft, the second section is provided with a connecting hole, the connecting shaft is connected with the second section, the outer peripheral wall of the second section is provided with external threads, the end face of one end, connected with the connecting shaft, of the lead screw is provided with a threaded counter bore in a concave mode, and the second section can be inserted into the threaded counter bore and is in threaded connection with the threaded counter bore.
The tool for disassembling and assembling the inner cabin body of the drill collar instrument comprises a transition section, a second section and a connecting shaft, wherein the transition section is connected with the second section through a screw, the second section is connected with the second section through a screw, and a second annular abutting surface facing the screw is formed between the transition section and the second section.
The disassembly and assembly tool for the inner bin body of the drill collar instrument further comprises a rotating handle, a through hole is formed in one end of the rotating handle, the rotating handle is arranged on the lead screw through the through hole in a sleeved mode and located between the threaded sleeve and the push-pull assembly, the radial section of the outer surface, close to the lead screw, of the tubular structure is a regular hexagon, the radial section of the through hole is a regular hexagon which can be matched and sleeved with the outer surface of the tubular structure in a sleeved mode, and the rotating handle can move along the lead screw and is sleeved on the outer portion, close to the lead screw, of the tubular structure through the through hole.
The disassembly and assembly tool for the cabin body in the drill collar instrument further comprises an installation base, the upper surface of the installation base is the reference plane, and the positioning device and the push-pull device are both installed on the upper surface of the installation base.
Compared with the prior art, the invention has the following advantages:
according to the disassembly and assembly tool for the bin body in the drill collar instrument, the drill collar is fixed through the positioning device, the push-pull device is connected with the bin body, the force which is applied to the drill collar through the positioning device and enables the drill collar to be kept motionless and the pulling force or the pushing force which is applied to the bin body by the push-pull device are used for overcoming the assembly force between the bin body and the drill collar, the bin body is directly pulled out of the drill collar to finish disassembly or is directly pushed into the drill collar to finish the assembly, other parts on the drill collar do not need to be disassembled in the process, the workload of workers can be effectively reduced, and the operation is very convenient.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic top view structural view of a tool for dismounting and mounting a cabin body in a drill collar instrument;
FIG. 2 is a sectional view of a local structure of a tool for disassembling and assembling a cartridge body inside a drill collar instrument, which is provided by the invention;
FIG. 3 is a schematic structural view of a push-pull assembly of the tool for disassembling and assembling the inner chamber body of the drill collar instrument, provided by the invention;
FIG. 4 is a schematic structural diagram of a lead screw and a threaded sleeve of the tool for disassembling and assembling a cabin body in a drill collar instrument, provided by the invention;
FIG. 5 is a schematic three-dimensional structure diagram of a push-pull plate of a push-pull assembly of the dismounting tool for the inner bin body of the drill collar instrument, which is provided by the invention;
FIG. 6 is a schematic structural diagram of a rotating handle of the tool for disassembling and assembling the cartridge body in the drill collar instrument.
The reference numbers indicate:
1. a positioning device;
11. a clamping mechanism;
111. a clamping jaw;
12. a guide mechanism;
121. a guide rail;
122. a guide support;
2. a push-pull device;
21. a support;
22. a threaded sleeve;
221. a connecting member;
23. a push-pull assembly;
231. a push-pull plate;
2311. a tubular structure;
2312. a shaft hole;
2313. a connecting member;
232. a bearing;
233. a connecting shaft;
2331. a first stage;
2332. a second section;
2333. a transition section;
2334. a first annular abutment surface;
2335. a second annular abutment surface;
234. a clamp spring;
24. a lead screw;
241. a threaded counter bore;
25. a crank;
3. rotating the handle;
31. a through hole;
4. a drill collar;
5. a bin body;
6. mounting a base;
61. a reference plane.
Detailed Description
In order to clearly understand the technical scheme, the purpose and the effect of the invention, the specific embodiments of the invention are described with reference to the attached drawings.
As shown in fig. 1 and fig. 2, the invention provides a tool for disassembling and assembling an internal cartridge body of a drill collar type instrument, wherein the tool for disassembling and assembling the internal cartridge body of the drill collar type instrument comprises a positioning device 1 and a push-pull device 2, the positioning device 1 and the push-pull device 2 are both arranged on a reference plane 61 (preferably, a horizontal plane is selected to ensure that all structures are uniformly stressed, but the reference plane 61 can be an inclined plane with an included angle with the horizontal plane under certain conditions, the invention is not limited by the above, the positioning device 1 can fix the drill collar 4, one end of the push-pull device 2 is connected with one end of the cartridge body 5, the cartridge body 5 can be pushed by the push-pull device 2 to be inserted and assembled in the drill collar 4, and the cartridge body 5 can be disassembled from the inside of the drill collar 4 by the push-pull device 2, namely, under the action of pushing force or pulling force applied by the positioning device 1 to the drill collar 4 to keep the drill collar 4, the drill collar 4 is fixedly pulled out, and the push-pull device 2 applies pushing force or pulling force to the cartridge body 5 to the drill collar 4, so that the assembling force between the cartridge body 5 and the drill collar 4 can be assembled smoothly, and the assembling of other drill collar 4 can be disassembled, and the assembling of a worker can be reduced.
Preferably, as shown in fig. 1, the tool for disassembling and assembling the internal chamber body of the drill collar instrument provided by the invention comprises at least one group of clamping mechanisms 11, wherein the clamping mechanisms 11 can clamp and fix the drill collar 4, each group of clamping mechanisms 11 comprises two clamping jaws 111 which are arranged oppositely, the drill collar 4 is arranged between the two clamping jaws 111 of the clamping mechanisms 11, a connecting line between the two clamping jaws 111 is perpendicular to an axis of the drill collar 4, the two clamping jaws 111 can synchronously approach each other and clamp and fix the drill collar 4 on the outer surfaces of two sides of the drill collar 4, and the two clamping jaws 111 can synchronously move away from each other and separate from the drill collar 4.
Preferably, the surfaces of the two clamping jaws 111, which can be in contact with the drill collar 4, are both arc-shaped surfaces recessed towards the direction away from each other, and the axis of a circle in which each arc-shaped surface is located is parallel to the axis of the drill collar 4 so as to be matched with the outer side surface of the drill collar 4 and increase the contact area between the two clamping jaws 111 and the drill collar 4, so that the friction force between the clamping jaws 111 and the drill collar 4 is increased when the two clamping jaws 111 clamp the drill collar 4; meanwhile, the surface of each clamping jaw 111, which can be in contact with the drill collar 4, is provided with an anti-slip element, so that the friction force between the clamping jaw 111 and the drill collar 4 can be further increased on one hand, and the surface of the drill collar 4 can be protected on the other hand, so that the surface of the drill collar 4 is prevented from being scratched and abraded by the clamping jaw 111 in the process of clamping the drill collar 4; preferably, the anti-slip element may be a rubber pad or a plurality of rubber bumps uniformly spaced on the surface of the clamping jaw 111 capable of contacting with the drill collar 4, which is not limited by the invention.
Further, as shown in fig. 1, the dismounting tool for the internal cartridge body of the drill collar instrument provided by the present invention, wherein the positioning device 1 further includes a guiding mechanism 12, the guiding mechanism 12 includes at least one guide rail 121, the guide rail 121 is provided with at least two guiding supports 122, the drill collar 4 can be placed on each guiding support 122 in a direction in which the axis is parallel to the guide rail 121, and the drill collar 4 can reciprocate along the guide rail 121 through each guiding support 122, that is, the extending direction of the guide rail 121 is parallel to the axial direction of the drill collar 4 (i.e., perpendicular to the connecting line between the two clamping jaws 111), each guiding support 122 is provided on the guide rail 121 and can reciprocate along the guide rail 121, when the drill collar 4 is placed, the drill collar 4 is placed on each guiding support 122, the drill collar 4 is supported by each guiding support 122, and the position of the drill collar 4 is adjusted through the relative movement between each guiding support 122 and the guide rail 121, so as to adjust the position between the end of the drill collar 4 and the push-pull device 2; when the drill collar 4 is placed on each guide support 122, the two clamping jaws 111 of the clamping mechanism 11 are respectively located on two sides of the drill collar 4 to clamp and fix the drill collar 4 from two sides of the drill collar 4, wherein when two guide supports 122 are provided, the drill collar 4 can be supported from two points to ensure that the drill collar 4 is uniformly stressed, and the situation that the drill collar 4 deviates in the assembling and disassembling process is avoided.
Preferably, as shown in fig. 1, the tool for disassembling and assembling the internal cartridge body of the drill collar type instrument provided by the present invention, wherein the guide mechanism 12 includes two guide rails 121 which are parallel to each other and are arranged at intervals, similarly, the two guide rails 121 are arranged to support each guide holder 122 from two ends of each guide holder 122, so as to ensure that each guide holder 122 can keep balance and stability in the process of moving along the guide rails 121, so as to ensure the stable movement of the drill collar 4 fundamentally, and the two guide holders 122 are respectively connected with the two guide rails 121 in a rolling or sliding manner, wherein preferably, the two guide holders 122 are connected in a rolling manner, so as to reduce the wear on the guide holders 122 and the guide rails 121 in the process of moving the guide holders 122 along the guide rails 121.
Further, as shown in fig. 1 and fig. 2, the assembly and disassembly tool for an internal cartridge body of a collar-type instrument provided by the present invention, wherein the push-pull device 2 includes a bracket 21, a threaded sleeve 22, a push-pull assembly 23, a lead screw 24, and a crank 25, a lower end of the bracket 21 is mounted on a reference plane 61, the structure of the bracket 21 may include a transverse plate fixedly laid on the reference plane 61 and two vertical plates perpendicular to the reference plane 61 as shown in fig. 2, the two vertical plates are perpendicular to each other, and lower edges of the two vertical plates are fixedly connected to an upper surface of the transverse plate, that is, the transverse plate and the two vertical plates are opposite to each other and are supported to each other, so as to form a bracket 21 with a stable structure, but it should be noted that the bracket 21 may also have other structures, which is not limited by the present invention; the threaded sleeve 22 is detachably disposed on the support 21, and preferably, when the support 21 has the structure as shown in fig. 2, the threaded sleeve 22 is fixed at the intersection of two vertical plates, where the threaded sleeve 22 can provide the strongest supporting force, specifically, the threaded sleeve 22 can be mounted on one of the vertical plates by a connecting member 221 (such as a bolt), and the axial direction of the threaded sleeve 22 is parallel to the axial direction of the drill collar 4; the lead screw 24 penetrates through the threaded sleeve 22 and extends along the axial direction of the drill collar 4, the lead screw 24 is in threaded connection with the threaded sleeve 22, the push-pull assembly 23 is rotatably connected with one end of the lead screw 24, the push-pull plate 231 assembly can be detachably connected with one end of the bin body 5, the crank 25 can be detachably arranged at the other end of the lead screw 24, the crank 25 and the lead screw 24 are kept circumferentially static, specifically, the crank 25 and the lead screw 24 can be kept circumferentially static through a hexagonal structure, namely, the end part of the lead screw 24, which is connected with the crank 25, is provided with a hexagonal through hole with a radial cross section, which is matched with the hexagonal through hole of the end part of the lead screw 24, the crank 25 is detachably fixed on the end part, with the radial cross section of the lead screw 24 being hexagonal through the hexagonal through hole, and circumferential static between the crank 25 and the lead screw 24 is realized; the crank handle 25 is rotated to drive the screw rod 24 to rotate, the screw rod 24 is screwed with the threaded sleeve 22 through threads to generate relative displacement in the rotation process, the threaded sleeve 22 is fixed, so the screw rod 24 can move along the axial direction in the rotation process, and the screw rod 24 is rotatably connected with the push-pull plate 231 assembly, so after the push-pull plate 231 assembly is connected with the cabin body 5, the push-pull plate 231 assembly cannot rotate and keeps relative rest with the cabin body 5 all the time in the rotation process of the screw rod 24, the push-pull plate 231 assembly can be pulled or pushed to drive the cabin body 5 to move along the axial movement of the screw rod 24 along the rotation, the cabin body 5 is pushed into the drill collar 4 or the cabin body 5 is pulled out from the drill collar 4, and the assembly and disassembly of the cabin body 5 are realized.
Further, as shown in fig. 2, fig. 3 and fig. 5, the assembly and disassembly tool for the internal cartridge body of the drill collar instrument, provided by the invention, includes a push-pull assembly 23, two bearings 232 and a connecting shaft 233, wherein the push-pull assembly 231 includes a push-pull plate 231, two bearings 232 and a connecting shaft 233, a shaft hole 2312 is radially formed in the central position of the push-pull plate 231, two tubular structures 2311 are respectively and fixedly connected to the two side surfaces of the push-pull plate 231, the two tubular structures 2311 and the push-pull plate 231 are integrally formed or welded and fixed, the interiors of the two tubular structures 2311 are coaxially communicated with the shaft hole 2312, the inner diameters of the two tubular structures 2311 are respectively greater than the bore diameter of the shaft hole 2312, so that two opposite annular step surfaces are respectively formed at the connection positions of the two tubular structures 2311 and the push-pull plate 231, a bearing 232 is coaxially installed inside the two tubular structures 2311, and one side end surface of the bearing 232 close to the push-pull plate 231 abuts against the surface of the push-pull plate 231, that the two bearings 232 respectively abut against the annular step surfaces formed inside the two tubular structures 2311, so as to realize the positioning of the bearings 232;
the connecting shaft 233 comprises a first section 2331 and a second section 2332, the first section 2331 is connected with the second section 2332 through a transition section 2333, namely the connecting shaft 233 comprises a first section 2331, a transition section 2333 and a second section 2332 which are integrally connected in sequence, the diameter of the transition section 2333 is larger than that of the first section 2331 and that of the second section 2332, a first annular abutting surface 2334 is formed between the first section 2331 and the transition section 2333, the first section 2331 is arranged in the two bearings 232 and the shaft hole 2312 in a penetrating manner, namely the first section 2331 sequentially penetrates through one bearing 232, the shaft hole 2312 and the other bearing 232, the first section 2331 is rotatably connected with the two tubular structures 2311 and the push-pull plate 231 through the two bearings 232, the end surface of one side of the bearing 232 close to the transition section 2333, which faces the transition section 2333, abuts against the first annular abutting surface 2334, namely the bearing 232 close to the transition section 2333 is retained in the corresponding tubular structure 2311 through the first annular abutting surface 2334, the transition section 2331 is sleeved with the transition section 234, and the corresponding clamp spring assembly is retained in the transition section 2333 through the corresponding tubular structure, namely the clamp spring 23323;
the second section 2332 is detachably connected to the screw 24 to connect the push-pull assembly 23 to the screw 24;
the push-pull plate 231 and the bin body 5 can be detachably connected through a connecting piece 2313 (a bolt), so that the push-pull assembly 23 is connected with the lead screw 24.
Preferably, as shown in fig. 2, 3 and 4, the tool for disassembling and assembling the inner cartridge body of the drill collar instrument provided by the present invention, wherein an external thread is provided on the outer peripheral wall of the second section 2332, a threaded counterbore 241 is concavely provided on the end surface of the lead screw 24 connected to the connecting shaft 233, i.e., a counterbore having an internal thread is provided on the inner side wall, the second section 2332 can be inserted into the threaded counterbore 241 and threadedly connected to the threaded counterbore 241, so as to detachably connect the lead screw 24 and the connecting shaft 233, but it should be noted that the connection mode of the lead screw 24 and the connecting shaft 233 is only a preferred embodiment of the present invention, and the present invention is not limited thereto.
Preferably, as shown in fig. 4, the tool for detaching and installing the cartridge body inside the drill collar instrument provided by the present invention, wherein a second annular abutting surface 2335 facing the lead screw 24 is formed between the transition section 2333 and the second section 2332, and in a state where the lead screw 24 is in threaded connection with the second section 2332, an end surface of the lead screw 24 facing the connecting shaft 233 abuts against the second annular abutting surface 2335, so that the push-pull assembly 23 is separated from the lead screw by the transition section 2333, and the damage to the bearing 232 and the tubular structure 2311 on the push-pull plate 231 due to the direct action of the force on the push-pull plate 231 during the movement of the lead screw 24 is avoided.
Preferably, as shown in fig. 6, the tool for disassembling and assembling the cartridge body inside the drill collar type instrument provided by the present invention, wherein the tool for disassembling and assembling the cartridge body 5 inside the drill collar type instrument 4 further includes a rotating handle 3, a through hole 31 is formed at one end of the rotating handle 3, the rotating handle 3 is sleeved on the screw rod 24 through the through hole 31 and is located between the threaded sleeve 22 and the push-pull assembly 23, a radial cross section of the outer surface of the tubular structure 2311 close to the screw rod 24 is a regular hexagon, a radial cross section of the through hole 31 is a regular hexagon capable of being sleeved with the outer surface of the tubular structure 2311 in a matching manner, the rotating handle 3 can move along the screw rod 24 and is sleeved outside the tubular structure 2311 close to the screw rod 24 through the through hole 31, during the assembling operation, the corresponding position on the cartridge body 5 needs to be rotated into a positioning pin hole on the drill collar 4 (this is the prior art), and during this process, if an angular deviation exists between the cartridge body 5 and the drill collar 4, the cartridge body can be pulled to be rotated by pulling the rotating handle 3 and the sleeve plate 2311, so as to finely adjust the circumferential position of the cartridge body 231 relative to the drill collar 4.
Preferably, as shown in fig. 1 and fig. 2, the tool for disassembling and assembling the internal cartridge body of the drill collar instrument, provided by the invention, further comprises an installation base 6, wherein the upper surface of the installation base 6 is a reference plane 61, and the positioning device 1 and the push-pull device 2 are both installed on the upper surface of the installation base 6; the bottom of the mounting base 6 can be provided with a roller and a foot brake to facilitate the movement and positioning of the invention.
Compared with the prior art, the invention has the following advantages:
according to the disassembly and assembly tool for the bin body in the drill collar instrument, the drill collar is fixed through the positioning device, the push-pull device is connected with the bin body, the force which is applied to the drill collar through the positioning device and used for keeping the drill collar fixed and the pulling force or the pushing force which is applied to the bin body by the push-pull device are used for overcoming the assembly force between the bin body and the drill collar, the bin body is directly pulled out of the drill collar to finish disassembly or is directly pushed into the drill collar to finish assembly, other parts on the drill collar do not need to be disassembled in the process, the workload of workers can be effectively reduced, and the operation is very convenient.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications of the invention without departing from the spirit and principles of the invention should be considered within the scope of the invention.

Claims (9)

1. A disassembly and assembly tool for a cabin body inside a drill collar instrument is characterized by comprising a positioning device and a push-pull device, wherein the positioning device and the push-pull device are both arranged on a reference plane, the positioning device can fix a drill collar, one end of the push-pull device is connected with one end of the cabin body, the cabin body can be pushed to be inserted into and assembled inside the drill collar through the push-pull device, and the cabin body can be disassembled and pulled out of the inside of the drill collar through the push-pull device;
the push-pull device comprises a support, a threaded sleeve, a push-pull assembly, a lead screw and a crank, wherein the push-pull assembly comprises a push-pull plate, two bearings and a connecting shaft, a shaft hole is formed in the push-pull plate along the radial direction of the push-pull plate, two tubular structures are fixedly connected to the surfaces of the two sides of the push-pull plate respectively, the two tubular structures are coaxially communicated with the shaft hole, the inner diameters of the two tubular structures are larger than the bore diameter of the shaft hole, a bearing is coaxially arranged inside each of the two tubular structures, and the end face, close to the push-pull plate, of one side of each of the bearings abuts against the surface of the push-pull plate;
the connecting shaft comprises a first section and a second section, the first section is connected with the second section through a transition section, the diameter of the transition section is larger than that of the first section and that of the second section, a first annular abutting surface is formed between the first section and the transition section, the first section penetrates through the two bearings and the shaft hole, the first section is rotatably connected with the two tubular structures and the push-pull plate through the two bearings, one side end surface, facing the transition section, of the bearing close to the transition section abuts against the first annular abutting surface, a clamp spring is sleeved on the first section, and one side end surface, far away from the transition section, of the bearing far away from the transition section is limited and fixed through the clamp spring; the second section is detachably connected with the screw rod.
2. The tool for disassembling and assembling the internal chamber body of the drill collar instrument as claimed in claim 1, wherein said positioning device comprises at least one set of clamping mechanism, said clamping mechanism is capable of clamping and fixing said drill collar, each set of said clamping mechanism comprises two clamping jaws disposed opposite to each other, said drill collar is disposed between said two clamping jaws of said clamping mechanism, said two clamping jaws are capable of synchronously approaching each other and clamping and fixing said drill collar on the outer surfaces of two sides of said drill collar, and said two clamping jaws are capable of synchronously moving away from each other and separating from said drill collar.
3. The tool for dismounting and mounting the inner cabin body of the drill collar instrument as claimed in claim 2, wherein the surfaces of the two clamping jaws, which can be in contact with the drill collar, are provided with anti-slip elements.
4. The tool for disassembling and assembling the internal cartridge body of the drill collar instrument as claimed in claim 2 or 3, wherein the positioning device further comprises a guiding mechanism, the guiding mechanism comprises at least one guide rail, the guide rail is provided with at least two guiding supports, the drill collar can be placed on each guiding support in a direction in which an axis is parallel to the guide rail, the drill collar can reciprocate along the guide rail through each guiding support, and when the drill collar is placed on each guiding support, the two clamping jaws of the clamping mechanism are respectively located on two sides of the drill collar.
5. The tool for disassembling and assembling the inner cartridge body of the collar instrument according to claim 4, wherein the guide mechanism comprises two guide rails arranged in parallel and at intervals, and each guide support is connected with the two guide rails in a rolling or sliding manner.
6. The tool for disassembling and assembling the cabin body inside the drill collar type instrument according to claim 1, wherein the lower end of the bracket is mounted on the reference plane, the threaded sleeve is detachably arranged on the bracket, the lead screw penetrates through the threaded sleeve and is in threaded connection with the threaded sleeve, the push-pull assembly is rotatably connected with one end of the lead screw and is detachably connected with one end of the cabin body, the crank is detachably arranged at the other end of the lead screw, and the crank and the lead screw are kept circumferentially stationary.
7. The tool for dismounting and mounting the cabin body inside the drill collar instrument according to claim 1, wherein external threads are formed on the outer peripheral wall of the second section, a threaded counter bore is concavely formed in the end face of one end, connected with the connecting shaft, of the lead screw, and the second section can be inserted into the threaded counter bore and is in threaded connection with the threaded counter bore.
8. The tool for disassembling and assembling the inner cartridge body of the drill collar instrument according to claim 1 or 7, further comprising a rotating handle, wherein a through hole is formed at one end of the rotating handle, the rotating handle is sleeved on the lead screw through the through hole and is located between the threaded sleeve and the push-pull assembly, a radial cross section of the outer surface of the tubular structure close to the lead screw is a regular hexagon, a radial cross section of the through hole is a regular hexagon which can be matched and sleeved with the outer surface of the tubular structure, and the rotating handle can move along the lead screw and is sleeved outside the tubular structure close to the lead screw through the through hole.
9. The tool for disassembling and assembling the internal cartridge body of the collar instrument according to claim 1, wherein the tool for disassembling and assembling the internal cartridge body of the collar instrument further comprises an installation base, the upper surface of the installation base is the reference plane, and the positioning device and the push-pull device are both installed on the upper surface of the installation base.
CN201911294544.2A 2019-12-16 2019-12-16 Disassembly and assembly tool for internal bin body of drill collar instrument Active CN112975832B (en)

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CN112975832B true CN112975832B (en) 2022-10-18

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Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327661A1 (en) * 1988-02-11 1989-08-16 Donnie Williams Tool Company Tool for aiding the fitting of a drill stabilizer to a drill collar
US6752044B2 (en) * 2002-05-06 2004-06-22 Frank's International, Inc. Power tong assembly and method
CN201970261U (en) * 2011-03-21 2011-09-14 中国海洋石油总公司 Pulling-drawing tool capable of realizing rotational positioning
CN202882821U (en) * 2012-09-28 2013-04-17 中国石油化工股份有限公司 Coring tool inner cylinder inspection push-puller
CN103510883B (en) * 2013-09-29 2015-11-25 航天科工惯性技术有限公司 For the push-pull device at fixed of drill collar
CN103527118A (en) * 2013-10-16 2014-01-22 陕西高新能源发展有限公司 Downhole assembling and disassembling frame main pincers
CN203679669U (en) * 2013-12-31 2014-07-02 中国海洋石油总公司 Tool cart
CN203696909U (en) * 2014-01-20 2014-07-09 中国海洋石油总公司 Disassembling tool for density framework and adapter substitute
CN104889932B (en) * 2015-05-29 2016-06-01 长春轨道客车股份有限公司 The supplementary unit of axle interval cover is dismantled for EMUs
CN205477448U (en) * 2016-01-26 2016-08-17 中国海洋石油总公司 Drill collar part dismouting device
CN107543453A (en) * 2017-09-22 2018-01-05 济南康和消防技术有限公司 Carbon dioxide fracturing device disassembly-and-assembly stand
CN108857427A (en) * 2018-10-11 2018-11-23 山东省建设高压容器有限公司 A kind of dedicated integrated tooling and the all-in-one machine that drills and reams of drilling and reaming of steel bottle mouth processing

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