CN115893118A - Compact logging winch and using method - Google Patents
Compact logging winch and using method Download PDFInfo
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- CN115893118A CN115893118A CN202211459516.3A CN202211459516A CN115893118A CN 115893118 A CN115893118 A CN 115893118A CN 202211459516 A CN202211459516 A CN 202211459516A CN 115893118 A CN115893118 A CN 115893118A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/30—Assessment of water resources
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Abstract
The invention relates to the technical field of logging winches, in particular to a compact logging winch and a using method thereof. Including logging winch, carrier assembly, logging cable and logging instrument, the logging instrument includes power nipple joint, storage nipple joint, logging nipple joint, the logging instrument passes through the logging cable and is connected with the logging winch, through set up the structure that can conveniently dismantle the maintenance on carrier assembly and chock assembly, can effectual assurance to the stable support of logging cable, the vibration that probably produces when having prevented simultaneously that the logging cable from releasing again, prevents that the logging cable from beating, breaking away from the condition emergence of rope sheave.
Description
Technical Field
The invention relates to the technical field of logging winches, in particular to a compact logging winch and a using method thereof.
Background
Logging winches are widely used in oil field logging companies for performing logging operations or perforating operations with different downhole devices. Because the well conditions in the oil well are complex, the resistance of the cable in the oil well is different, particularly at the corner of the vertical end and the horizontal well section of the oil well, the cable inevitably generates friction with the wall of the oil well, and the friction force cannot be accurately calculated; the cable may also be attracted to the borehole wall by downhole fluids. Because the cable tension meter is installed on the ground, the difference between the cable tension observed by an operator and the tension applied to the end of the downhole instrument is large, and the vibration and rope release of the logging cable are easily caused.
The logging winch provides power output for the logging instrument, the stable operation and the accurate control of the logging winch affect the downhole operation effect of the logging instrument, and therefore the easily-worn parts of the logging winch are required to be designed into a structure which is easy to disassemble and maintain, and meanwhile, the stable release of the logging cable is required to be guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a compact logging winch and a using method thereof, and the compact logging winch can effectively ensure the stable support of a logging cable by arranging the structure which is convenient to disassemble and maintain on the bearing assembly and the cable guide assembly, simultaneously prevent the possible vibration generated when the logging cable is released again, and prevent the logging cable from jumping and separating from a rope pulley.
In order to achieve the purpose, the invention provides the following technical scheme:
a compact type durable logging winch comprises a logging winch body, a bearing assembly, a logging cable and a logging instrument, wherein the logging instrument comprises a power supply short section, a storage short section and a logging short section, and the logging instrument is connected with the logging winch body through the logging cable;
the power supply short section is used for supplying power to the storage short section and the logging short section, the logging unit in the logging short section is used for measuring geological states in a well to form data in the well, the number of the logging short sections can be at least two, the storage unit in each logging short section can be connected with the storage module in the storage short section through the same communication line, and the data in the well in different logging short sections are transmitted to the storage module in the storage short section through the communication line, so that the storage module in the storage short section can store all data in the well;
the logging winch comprises an outer rotor permanent magnet synchronous motor, a cable drum and a cable guide assembly, wherein the outer rotor permanent magnet synchronous motor drives the cable drum to rotate, one end of the logging cable is connected with a logging instrument, and the other end of the logging cable is wound on the cable drum after passing through a bearing assembly and the cable guide assembly;
the bearing assembly comprises a supporting seat, a bearing wheel assembly, a housing, a clamping assembly, a rotating shaft and a pressing wheel assembly, the weight of the logging instrument can be borne by replacing the bearing wheel assembly, the abrasion to a logging cable can be reduced by regularly maintaining the bearing wheel assembly, and the logging cable can be abutted to the bearing wheel assembly by the pressing wheel assembly;
the cable guide assembly can move horizontally and change the winding position of the logging cable on the cable drum, is also of a detachable structure, and can be maintained periodically to reduce the abrasion of the logging cable.
Furthermore, the bearing assembly is arranged at the wellhead through a support seat, a bearing wheel assembly is detachably arranged on the support seat through a rotating shaft, and a housing is further arranged on the support seat and arranged on the outer side of the bearing wheel assembly;
the casing is further provided with a pressing wheel set in a supporting mode through a clamping assembly, the gap between the pressing wheel set and the bearing wheel assembly is changed through the clamping assembly, and the logging cable can be pressed onto the circumferential surface of the bearing wheel assembly through the pressing wheel set.
Furthermore, the clamping assembly comprises an adjusting screw, a nut seat, a sliding block and a pressing wheel shaft;
waist-shaped holes are respectively formed in two sides of the housing, one waist-shaped hole is located above the bearing wheel assembly, the extending direction of the waist-shaped hole is the horizontal direction, the other waist-shaped hole is located on the side, abutted with the logging cable, of the bearing wheel assembly, and the extending direction of the waist-shaped hole is the vertical direction;
the two waist-shaped holes are respectively provided with a clamping assembly, one side of each waist-shaped hole is provided with a nut seat, a sliding block can slide in each waist-shaped hole, the nut seats are rotationally matched with an adjusting screw rod through threads, and the sliding blocks are rotationally connected with the tail end of the adjusting screw rod;
the two ends of the pressing wheel set are supported and arranged on the sliding block through the pressing wheel shaft, the sliding block is driven to horizontally move by rotating the adjusting screw, and then the two ends of the pressing wheel set are driven to move, and the gap between the pressing wheel set and the bearing wheel assembly is adjusted.
Furthermore, the pressing wheel set comprises a clamping wheel, a first connecting rod assembly, a second connecting rod assembly and a third connecting rod assembly;
one end of the first connecting rod assembly is provided with a pressing wheel shaft, and the other end of the first connecting rod assembly is hinged with the second connecting rod assembly through a rotating shaft;
one end of the third connecting rod assembly is provided with a pressing wheel shaft, and the other end of the third connecting rod assembly is hinged with the second connecting rod assembly through a rotating shaft;
a clamping wheel is rotatably arranged on a pressing wheel shaft on the first connecting rod assembly, a clamping wheel is rotatably arranged on a pressing wheel shaft on the third connecting rod assembly, the clamping wheel is rotatably arranged on a rotating shaft at the hinged position of the first connecting rod assembly and the second connecting rod assembly, and the clamping wheel is rotatably arranged on a rotating shaft at the hinged position of the third connecting rod assembly and the second connecting rod assembly;
when the sliding block drives the clamping wheels at the two ends of the pressing wheel set to be far away from the circumferential surface of the bearing wheel set through the pressing wheel shaft, the first connecting rod assembly and the third connecting rod assembly rotate and arch relative to the second connecting rod assembly respectively, so that the two clamping wheels in the middle of the pressing wheel set are far away from the circumferential surface of the bearing wheel set.
Furthermore, the bearing wheel assembly comprises a hub and a plurality of liners arranged on the circumferential surface of the hub, and a hub positioning groove is also formed in the middle of the circumferential surface of the hub;
the gasket comprises a gasket body, a fixed seat, a threaded hole, an assembling bulge, an assembling groove and a gasket positioning strip;
the section of the gasket body is of a V-shaped structure so as to form a wheel groove for accommodating the logging cable, fixing seats are arranged on two sides of the gasket body, threaded holes are formed in the fixing seats, and the fixing seats of the gasket body are fixed on a hub through detachable screws;
one end of the gasket body is provided with an assembling bulge, the other end of the gasket body is provided with an assembling groove, and the assembling bulge of the gasket body is clamped with the assembling groove of the other gasket body to realize stable connection;
the laminating of liner body the bottom surface middle part of wheel hub is provided with the liner location strip, the liner location strip with wheel hub constant head tank cooperation on the wheel hub realizes the location.
Further, the cable guide assembly comprises a sliding assembly, a guide rod, a screw rod and a driving motor;
the driving motor drives the screw to rotate, the cable guide assembly is in transmission fit with the screw through a threaded hole, and the guide rod guides the cable guide assembly in a sliding mode;
the sliding assembly comprises a sliding seat, a first ball seat, a second ball seat, a ball seat assembly hole, a sliding seat assembly hole, hemispheroids and a spherical cavity, wherein the sliding seat is detachably provided with the first ball seat and the second ball seat through the sliding seat assembly hole and a bolt;
the two hemispheroids are clamped by the assembling pins and the positioning holes, and the guide rope grooves on the two hemispheroids surround to form a through hole for accommodating the logging cable to pass through.
Further, the liner and the hemispheroid are made of nylon or metal-based self-lubricating materials.
A compact durable logging winch using method, adopt the above-mentioned logging winch, while maintaining the bearing assembly, unclamp the pressing wheel group and dismantle the spindle, lift off the bearing wheel assembly, dismantle the screw on the permanent seat, remove and change the liner;
after a new liner is installed on a hub, lapping the logging cable in a wheel groove of the bearing wheel assembly, installing the bearing wheel assembly on a supporting seat through a rotating shaft, and then adjusting a clamping assembly to enable a pressing wheel set to press the logging cable in the wheel groove of the bearing wheel set;
when maintaining the fairlead subassembly, dismantle the bolt in ball seat pilot hole and the slide pilot hole, follow two hemispheroids take out in the spherical cavity of first ball seat, second ball seat, open two hemispheroids after and change, with the butt of the wire rope groove of two new hemispheroids in the both sides of logging cable to make two hemispheroids splice into a spheroid through the assembly bolt, later put into the spherical cavity of first ball seat, second ball seat with two hemispheroids, the maintenance of fairlead subassembly is accomplished to the bolt in installation ball seat pilot hole and the slide pilot hole.
Compared with the prior art, the invention provides a compact logging winch and a using method thereof, and the compact logging winch has the following beneficial effects:
1. according to the invention, the pressing wheel set is arranged on the bearing assembly of the logging cable, so that the logging cable can be stably and continuously pressed in the wheel groove of the bearing wheel assembly in the releasing process, and the logging cable can be effectively prevented from jumping and vibrating due to the vibration of a logging instrument in a complex underground environment, and further the logging cable can be effectively prevented from being separated from the bearing wheel assembly.
2. The circumferential surface of the bearing wheel assembly is provided with a plurality of detachable liners connected end to end, and the liners are made of self-lubricating materials, so that abrasion of the wheel grooves of the bearing wheel assembly can be effectively reduced, a logging cable can be supported as far as possible stably, and interference on an underground logging instrument is further reduced.
3. The detachable ball body is arranged in the guide cable assembly, the lateral force of a part of logging cables can be offset through the rotation of the ball body in the ball seat, and meanwhile, the detachable ball body is made of a self-lubricating material and can be replaced when being worn, so that the logging cables are stably wound on the cable drum, and the phenomena of messy ropes and rope skipping are prevented.
Drawings
FIG. 1 is a schematic diagram of the overall configuration of a logging system of the present invention;
FIG. 2 is a schematic diagram of the configuration of the logging winch of the present invention;
FIG. 3 is a schematic structural diagram of a load bearing assembly of the present invention;
FIG. 4 is a schematic structural view of the clamping assembly of the present invention;
FIG. 5 is a schematic view of the internal structure of the load bearing assembly of the present invention;
FIG. 6 is a schematic view of a pinch roller set according to the present invention;
FIG. 7 is a schematic structural view of the load wheel assembly of the present invention;
FIG. 8 is a schematic structural view of the hub of the present invention;
FIG. 9 is a schematic view of the construction of the liner of the present invention;
FIG. 10 is a schematic view of another aspect of the liner of the present invention;
FIG. 11 is a schematic diagram of a navigation module according to the present invention;
FIG. 12 is a schematic structural view of the sliding assembly of the present invention;
FIG. 13 is a schematic view of the assembly of the tee of the present invention;
in the figure: the bearing assembly 1, the supporting seat 11, the bearing wheel assembly 12, the wheel hub 121, the gasket 122, the gasket body 1221, the fixing seat 1222, a threaded hole 1223, an assembling protrusion 1224, an assembling groove 1225, a gasket positioning strip 1226, a wheel hub positioning groove 123, the housing 13, the kidney-shaped hole 131, the clamping assembly 14, the adjusting screw rod 141, the nut seat 142, the sliding block 143, the pressing wheel shaft 144, the rotating shaft 15, the pressing wheel set 16, the clamping wheel 161, the first connecting rod assembly 162, the second connecting rod assembly 163, the third connecting rod assembly 164, the outer rotor permanent magnet synchronous motor 2, the cable drum 3, the cable guide assembly 4, the sliding assembly 41, the sliding seat 411, the first ball seat 412, the second ball seat 413, the ball seat assembling hole 414, the sliding seat assembling hole 415, the assembling bolt 416, the assembling bolt 4161, the cable guide groove 4162, the spherical cavity 417, the guide rod 42, the screw 43, the driving motor 44, the logging cable 5, the power nipple 6, the storage nipple 7, the logging nipple 8 and the logging winch 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the logging winch is designed, the stress of a winding drum of a winch system and a bearing assembly of a logging cable is analyzed, a simulation model of the winding drum and a bearing rope wheel is established by using a virtual prototype technology and a shaft sleeve force modeling method, and a rigid-flexible coupling virtual prototype model of a winding system including an outer rotor permanent magnet synchronous motor, the bearing rope wheel, a winch, the winding drum, the logging cable and a load is established by combining Solidworks and Adams modeling technologies. Finite element structural mechanics analysis of the logging winch under various working conditions, and an ANSYS Workbench finite element calculation method is used for analyzing stress and strain distribution states of the logging winch under various working conditions, so that stress concentration points are found out, and a theoretical basis is provided for structural optimization of the logging winch.
The invention is described in detail below with reference to fig. 1-13, and the compact durable logging winch of the invention comprises a logging winch 10, a bearing assembly 1, a logging cable 5 and a logging instrument, wherein the logging instrument comprises a power short section 6, a storage short section 7 and a logging short section 8, and is connected with the logging winch 10 through the logging cable 5;
the power supply short section 6 is used for supplying power to the storage short section 7 and the logging short section 8, the logging units in the logging short section 8 are used for measuring geological states in a well to form data in the well, the number of the logging short sections 8 can be at least two, the storage unit in each logging short section 8 can be connected with the storage module in the storage short section 7 through the same communication line, and the data in the well in different logging short sections 8 are transmitted to the storage module in the storage short section 7 through the communication line, so that the storage module in the storage short section 7 can store all data in the well;
the logging winch 10 comprises an outer rotor permanent magnet synchronous motor 2, a cable drum 3 and a cable guide assembly 4, wherein the outer rotor permanent magnet synchronous motor 2 drives the cable drum 3 to rotate, one end of a logging cable 5 is connected with a logging instrument, and the other end of the logging cable is wound on the cable drum 3 after passing through a bearing assembly 1 and the cable guide assembly 4;
the bearing assembly 1 comprises a supporting seat 11, a bearing wheel assembly 12, a housing 13, a clamping assembly 14, a rotating shaft 15 and a pressing wheel assembly 16, the bearing wheel assembly 12 can be replaced to bear the weight of the logging instrument, the bearing wheel assembly 12 is maintained periodically to reduce the abrasion to the logging cable 5, and the pressing wheel assembly 16 can enable the logging cable 5 to be abutted against the bearing wheel assembly 12;
the guide cable assembly 4 can move horizontally and change the winding position of the logging cable 5 on the cable drum 3, the guide cable assembly 4 is also of a detachable structure, and the guide cable assembly 4 can be maintained periodically to reduce the abrasion of the logging cable 5.
Further, the bearing assembly 1 is arranged at a wellhead through a support seat 11, a bearing wheel assembly 12 is detachably arranged on the support seat 11 through a rotating shaft 15, a housing 13 is further arranged on the support seat 11, and the housing 13 is arranged on the outer side of the bearing wheel assembly 12;
the housing 13 is further supported and provided with a pressing wheel set 16 through a clamping assembly 14, and the gap between the pressing wheel set 16 and the bearing wheel assembly 12 is changed through the clamping assembly 14, so that the logging cable 5 can be pressed on the circumferential surface of the bearing wheel assembly 12 through the pressing wheel set 16.
Further, the clamping assembly 14 includes an adjusting screw 141, a nut seat 142, a sliding block 143, and a pressing wheel shaft 144;
waist-shaped holes 131 are respectively arranged on two sides of the housing 13, wherein one waist-shaped hole 131 is positioned above the bearing wheel assembly 12 and the extending direction of the waist-shaped hole 131 is the horizontal direction, and the other waist-shaped hole 131 is positioned on the side of the bearing wheel assembly 12, which is abutted with the logging cable 5, and the extending direction of the waist-shaped hole 131 is the vertical direction;
the two waist-shaped holes 131 are respectively provided with a clamping component 14, one side of each waist-shaped hole 131 is provided with a nut seat 142, a sliding block 143 can be slidably arranged in each waist-shaped hole 131, the nut seats 142 are rotatably matched with an adjusting screw rod 141 through threads, and the sliding blocks 143 are rotatably connected with the tail end of the adjusting screw rods 141;
the two ends of the pressing wheel set 16 are supported and arranged on the sliding block 143 through a pressing wheel shaft 144, and the sliding block 143 is driven to move horizontally by rotating the adjusting screw rod 141, so as to drive the two ends of the pressing wheel set 16 to move, and thus the gap between the pressing wheel set 16 and the bearing wheel set 12 is adjusted.
Further, the pressing wheel set 16 comprises a clamping wheel 161, a first link assembly 162, a second link assembly 163 and a third link assembly 164;
one end of the first link assembly 162 is provided with a pressing wheel shaft 144, and the other end is hinged with the second link assembly 163 through a rotating shaft;
one end of the third connecting rod assembly 164 is provided with a pressing wheel shaft 144, and the other end is hinged with the second connecting rod assembly 163 through a rotating shaft;
a clamping wheel 161 is rotatably arranged on the pressing wheel shaft 144 of the first connecting rod assembly 162, a clamping wheel 161 is rotatably arranged on the pressing wheel shaft 144 of the third connecting rod assembly 164, a clamping wheel 161 is rotatably arranged on a rotating shaft at the hinged position of the first connecting rod assembly 162 and the second connecting rod assembly 163, and a clamping wheel 161 is rotatably arranged on a rotating shaft at the hinged position of the third connecting rod assembly 164 and the second connecting rod assembly 163;
when the sliding block 143 drives the clamping wheels 161 at the two ends of the pressing wheel set 16 to move away from the circumferential surface of the bearing wheel set 12 through the pressing wheel axle 144, the first link assembly 162 and the third link assembly 164 rotate and arch relative to the second link assembly 163, respectively, so that the two clamping wheels 161 at the middle of the pressing wheel set 16 move away from the circumferential surface of the bearing wheel set 12.
Further, the bearing wheel assembly 12 includes a hub 121, and a plurality of liners 122 disposed on the circumferential surface of the hub 121, and a hub positioning groove 123 is further disposed in the middle of the circumferential surface of the hub 121;
the gasket 122 comprises a gasket body 1221, a fixed seat 1222, a threaded hole 1223, an assembling projection 1224, an assembling groove 1225 and a gasket positioning strip 1226;
the section of the pad body 1221 is a V-shaped structure to form a wheel groove for accommodating the logging cable 5, fixing seats 1222 are arranged on two sides of the pad body 1221, threaded holes 1223 are arranged on the fixing seats 1222, and the fixing seats 1222 of the pad body 1221 are fixed on the wheel hub 121 through detachable screws;
one end of the gasket body 1221 is provided with an assembling protrusion 1224, the other end of the gasket body 1221 is provided with an assembling groove 1225, and the assembling protrusion 1224 of the gasket body 1221 is clamped with the assembling groove 1225 of the other gasket body 1221 to realize stable connection;
the pad body 1221 is attached to the middle of the bottom surface of the hub 121, and a pad positioning strip 1226 is arranged in the middle of the bottom surface of the hub 121, and the pad positioning strip 1226 is matched with the hub positioning groove 123 on the hub 121 to realize positioning.
Further, the cable guide assembly 4 comprises a sliding assembly 41, a guide rod 42, a screw 43 and a driving motor 44;
the driving motor 44 drives the screw rod 43 to rotate, the cable guide assembly 4 is in transmission fit with the screw rod 43 through a threaded hole, and the guide rod 42 performs sliding guide on the cable guide assembly 4;
the sliding assembly 41 comprises a sliding block 411, a first ball seat 412, a second ball seat 413, a ball seat assembly hole 414, a sliding seat assembly hole 415, a hemisphere 416 and a spherical cavity 417, wherein the sliding block 411 is detachably provided with the first ball seat 412 and the second ball seat 413 through the sliding seat assembly hole 415 and a bolt, the first ball seat 412 and the second ball seat 413 are detachably connected through the ball seat assembly hole 414 and the bolt, the first ball seat 412 and the second ball seat 413 are respectively provided with the spherical cavity 417, and two hemispheroids 416 are arranged in the spherical cavity 417;
the hemisphere 416 is provided with an assembling bolt 4161 and a rope guiding groove 4162, the two hemispheroids 416 are clamped through the assembling bolt 4161 and the positioning hole on the hemisphere 416, and the rope guiding grooves 4162 on the two hemispheroids 416 are enclosed to form a through hole for accommodating the logging cable 5 to pass through.
Further, the liner 122 and the hemispheres 416 are of nylon or metal based self-lubricating material.
A compact durable logging winch using method, when the logging winch is used for maintaining the bearing assembly 1, the pressing wheel set 16 is loosened, the rotating shaft 15 is detached, the bearing wheel assembly 12 is detached, the screw on the fixed seat 1222 is detached, and the liner 122 is detached and replaced;
after a new pad 122 is installed on a wheel hub 121, the logging cable 5 is lapped in a wheel groove of the bearing wheel assembly 12, the bearing wheel assembly 12 is installed on the supporting seat 11 through the rotating shaft 15, and then the clamping assembly 14 is adjusted, so that the pressing wheel set 16 presses the logging cable 5 in the wheel groove of the bearing wheel set 12;
when the cable guide assembly 4 is maintained, the bolts in the ball seat assembly holes 414 and the slide seat assembly holes 415 are disassembled, the two hemispheres 416 are taken out from the spherical cavities 417 of the first ball seat 412 and the second ball seat 413, the two hemispheres 416 are opened and replaced, the guide rope grooves 4162 of the two new hemispheres 416 are abutted to two sides of the logging cable 5, the two hemispheres 416 are spliced into a sphere through the assembly bolts 4161, then the two hemispheres 416 are placed in the spherical cavities 417 of the first ball seat 412 and the second ball seat 413, and the bolts in the ball seat assembly holes 414 and the slide seat assembly holes 415 are installed to complete the maintenance of the cable guide assembly 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a compact logging winch, includes logging winch (10), load-bearing component (1), logging cable (5) and logging instrument, its characterized in that:
the logging instrument comprises a power source short section (6), a storage short section (7) and a logging short section (8), and is connected with a logging winch (10) through a logging cable (5);
the power supply short section (6) is used for providing power for the storage short section (7) and the logging short section (8), the logging units in the logging short section (8) are used for measuring geological states in a well to form data in the well, the number of the logging short sections (8) can be at least two, the storage units in each logging short section (8) can be connected with the storage modules in the storage short section (7) through the same communication line, the data in the wells in different logging short sections (8) are transmitted to the storage modules in the storage short section (7) through the communication line, and the storage modules in the storage short section (7) can store all data in the well;
the logging winch (10) comprises an outer rotor permanent magnet synchronous motor (2), a cable drum (3) and a cable guide assembly (4), the outer rotor permanent magnet synchronous motor (2) drives the cable drum (3) to rotate, one end of a logging cable (5) is connected with a logging instrument, and the other end of the logging cable is wound on the cable drum (3) after passing through a bearing assembly (1) and the cable guide assembly (4);
the bearing assembly (1) comprises a supporting seat (11), a bearing wheel assembly (12), a housing (13), a clamping assembly (14), a rotating shaft (15) and a pressing wheel assembly (16), the weight of a logging instrument can be borne by replacing the bearing wheel assembly (12), the abrasion to a logging cable (5) can be reduced by regularly maintaining the bearing wheel assembly (12), and the logging cable (5) can be abutted to the bearing wheel assembly (12) by the pressing wheel assembly (16);
the cable guide assembly (4) can move horizontally and change the winding position of the logging cable (5) on the cable drum (3), the cable guide assembly (4) is also of a detachable structure, and the cable guide assembly (4) can be maintained periodically to reduce abrasion to the logging cable (5).
2. The compact logging winch of claim 1, wherein: the bearing assembly (1) is arranged at the wellhead through a supporting seat (11), a bearing wheel assembly (12) is detachably arranged on the supporting seat (11) through a rotating shaft (15), a housing (13) is further arranged on the supporting seat (11), and the housing (13) is arranged on the outer side of the bearing wheel assembly (12);
the casing (13) is further provided with a pressing wheel set (16) in a supporting mode through a clamping assembly (14), a gap between the pressing wheel set (16) and the bearing wheel assembly (12) is changed through the clamping assembly (14), and the logging cable (5) can be pressed onto the circumferential surface of the bearing wheel assembly (12) through the pressing wheel set (16).
3. The compact logging winch of claim 2, wherein:
the clamping assembly (14) comprises an adjusting screw rod (141), a nut seat (142), a sliding block (143) and a pressing wheel shaft (144);
waist-shaped holes (131) are respectively formed in two sides of the housing (13), one waist-shaped hole (131) is located above the bearing wheel assembly (12) and the extending direction of the waist-shaped hole is the horizontal direction, the other waist-shaped hole (131) is located on the side, abutted with the logging cable (5), of the bearing wheel assembly (12) and the extending direction of the waist-shaped hole is the vertical direction;
clamping assemblies (14) are respectively arranged at the two kidney-shaped holes (131), a nut seat (142) is arranged at one side of each kidney-shaped hole (131), a sliding block (143) is arranged in each kidney-shaped hole (131) in a sliding manner, an adjusting screw rod (141) is matched on each nut seat (142) through threads in a rotating manner, and the sliding block (143) is rotatably connected with the tail end of the adjusting screw rod (141);
two ends of the pressing wheel set (16) are supported and arranged on the sliding block (143) through a pressing wheel shaft (144), the sliding block (143) is driven to move horizontally by rotating the adjusting screw rod (141), and then two ends of the pressing wheel set (16) are driven to move, and the gap between the pressing wheel set (16) and the bearing wheel set (12) is adjusted.
4. A compact logging winch according to claim 3, characterized in that:
the pressing wheel set (16) comprises a clamping wheel (161), a first connecting rod assembly (162), a second connecting rod assembly (163) and a third connecting rod assembly (164);
one end of the first connecting rod component (162) is provided with a pressing wheel shaft (144), and the other end of the first connecting rod component is hinged with the second connecting rod component (163) through a rotating shaft;
one end of the third connecting rod assembly (164) is provided with a pressing wheel shaft (144), and the other end of the third connecting rod assembly is hinged with the second connecting rod assembly (163) through a rotating shaft;
a clamping wheel (161) is rotatably arranged on a pressing wheel shaft (144) on the first connecting rod assembly (162), a clamping wheel (161) is rotatably arranged on a pressing wheel shaft (144) on the third connecting rod assembly (164), the clamping wheel (161) is rotatably arranged on a rotating shaft at the hinged position of the first connecting rod assembly (162) and the second connecting rod assembly (163), and the clamping wheel (161) is rotatably arranged on a rotating shaft at the hinged position of the third connecting rod assembly (164) and the second connecting rod assembly (163);
when the sliding block (143) drives the clamping wheels (161) at the two ends of the pressing wheel set (16) to be far away from the circumferential surface of the bearing wheel set (12) through the pressing wheel shaft (144), the first connecting rod assembly (162) and the third connecting rod assembly (164) respectively rotate relative to the second connecting rod assembly (163) and are arched, so that the two clamping wheels (161) in the middle of the pressing wheel set (16) are far away from the circumferential surface of the bearing wheel set (12).
5. The compact logging winch of claim 4, wherein:
the bearing wheel assembly (12) comprises a wheel hub (121) and a plurality of liners (122) arranged on the circumferential surface of the wheel hub (121), and a wheel hub positioning groove (123) is further formed in the middle of the circumferential surface of the wheel hub (121);
the gasket (122) comprises a gasket body (1221), a fixed seat (1222), a threaded hole (1223), an assembling protrusion (1224), an assembling groove (1225) and a gasket positioning strip (1226);
the section of the pad body (1221) is of a V-shaped structure so as to form a wheel groove for accommodating the logging cable (5), fixing seats (1222) are arranged on two sides of the pad body (1221), threaded holes (1223) are formed in the fixing seats (1222), and a plurality of fixing seats (1222) of the pad body (1221) are fixed on the hub (121) through detachable screws;
one end of the gasket body (1221) is provided with an assembling protrusion (1224), the other end of the gasket body is provided with an assembling groove (1225), and the assembling protrusion (1224) of the gasket body (1221) is clamped with the assembling groove (1225) of the other gasket body (1221) to realize stable connection;
the laminating of liner body (1221) the bottom surface middle part of wheel hub (121) is provided with liner location strip (1226), liner location strip (1226) with wheel hub constant head tank (123) cooperation on wheel hub (121) realizes the location.
6. The compact logging winch of claim 5, wherein:
the cable guide assembly (4) comprises a sliding assembly (41), a guide rod (42), a screw rod (43) and a driving motor (44);
the driving motor (44) drives the screw rod (43) to rotate, the cable guide assembly (4) is in transmission fit with the screw rod (43) through a threaded hole, and the guide rod (42) guides the cable guide assembly (4) in a sliding mode;
the sliding assembly (41) comprises a sliding seat (411), a first ball seat (412), a second ball seat (413), a ball seat assembly hole (414), a sliding seat assembly hole (415), a hemisphere (416) and a spherical cavity (417), wherein the sliding seat (411) is detachably provided with the first ball seat (412) and the second ball seat (413) through the sliding seat assembly hole (415) and a bolt, the first ball seat (412) and the second ball seat (413) are detachably connected through the ball seat assembly hole (414) and the bolt, the first ball seat (412) and the second ball seat (413) are respectively provided with the spherical cavity (417), and two hemispheroids (416) are arranged in the spherical cavity (417);
the two hemispheres (416) are clamped through the assembling bolts (4161) and the positioning holes on the hemispheres (416), and the rope guide grooves (4162) on the two hemispheres (416) are enclosed to form a through hole for accommodating the logging cable (5) to pass through.
7. The compact logging winch of claim 6, wherein: the liner (122) and the hemisphere (416) are made of nylon or metal-based self-lubricating materials.
8. A method of using a compact logging winch, the logging winch of any one of claims 1 to 7, wherein:
when the bearing assembly (1) is maintained, the pressing wheel set (16) is loosened, the rotating shaft (15) is detached, the bearing wheel assembly (12) is detached, the screw on the fixed seat (1222) is detached, and the gasket (122) is detached and replaced;
after a new liner (122) is installed on a wheel hub (121), the logging cable (5) is lapped in a wheel groove of the bearing wheel assembly (12), the bearing wheel assembly (12) is installed on a supporting seat (11) through a rotating shaft (15), and then a clamping assembly (14) is adjusted, so that a pressing wheel set (16) presses the logging cable (5) in the wheel groove of the bearing wheel assembly (12);
when the guide cable assembly (4) is maintained, the ball seat assembly hole (414) and bolts in the sliding seat assembly hole (415) are disassembled, the two hemispheroids (416) are taken out from the spherical cavities (417) of the first ball seat (412) and the second ball seat (413), the two hemispheroids (416) are opened and replaced, the guide rope grooves (4162) of the two new hemispheroids (416) are abutted to two sides of the logging cable (5), the two hemispheroids (416) are spliced into a sphere through the assembly bolts (4161), then the two hemispheroids (416) are placed into the spherical cavities (417) of the first ball seat (412) and the second ball seat (413), and the ball seat assembly hole (414) and the bolts in the sliding seat assembly hole (415) are installed to complete maintenance of the guide cable assembly (4).
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| CN202211459516.3A CN115893118B (en) | 2022-11-21 | 2022-11-21 | Compact logging winch and use method |
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| CN202211459516.3A CN115893118B (en) | 2022-11-21 | 2022-11-21 | Compact logging winch and use method |
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| CN115893118B CN115893118B (en) | 2023-08-22 |
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|---|---|
| CN115893118B (en) | 2023-08-22 |
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