CN108005636A - A kind of head harness with detection tension force - Google Patents

A kind of head harness with detection tension force Download PDF

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Publication number
CN108005636A
CN108005636A CN201711480675.0A CN201711480675A CN108005636A CN 108005636 A CN108005636 A CN 108005636A CN 201711480675 A CN201711480675 A CN 201711480675A CN 108005636 A CN108005636 A CN 108005636A
Authority
CN
China
Prior art keywords
tension force
pin
seal
piston
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711480675.0A
Other languages
Chinese (zh)
Inventor
张修全
高曼琦
迟毅
徐喜
任耀军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang Lande Unltrasound Technology Co Ltd
Original Assignee
Heilongjiang Lande Unltrasound Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heilongjiang Lande Unltrasound Technology Co Ltd filed Critical Heilongjiang Lande Unltrasound Technology Co Ltd
Priority to CN201711480675.0A priority Critical patent/CN108005636A/en
Publication of CN108005636A publication Critical patent/CN108005636A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/023Arrangements for connecting cables or wirelines to downhole devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/007Measuring stresses in a pipe string or casing
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017Protecting measuring instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces

Abstract

The present invention relates to petroleum cable interconnection technique field, in particular it is a kind of head harness with detection tension force, including interface connected set, pin connectors, fishing bell shell, anti-twist body, piston tube, tension sensor, tension force connector sleeve, seal, cone frame and three tapered sleeves, the interface connected set is fixedly connected on the left end of pin connectors, the fishing bell shell is fixedly connected on the right end of pin connectors, it is connected to compress the hold-down bolt of three tapered sleeves on the cone frame by thread fitting, the pin connectors, anti-twist body, piston tube, tension force connector sleeve, seal and cone frame are from left to right plugged on the inside of fishing bell shell successively.A kind of head harness with detection tension force, its advantage are:It can go deep into carrying out cable circuit connection inside oil well, and possess balance external and internal pressure, the accurate function of measuring cable stretch;Protection tension sensor can be disconnected in overtension, with the advantages of easy to assemble, integration degree is high.

Description

A kind of head harness with detection tension force
Technical field
The present invention relates to petroleum cable interconnection technique field, is in particular a kind of head harness with detection tension force.
Background technology
Line stress detection is carried out usually using cable stretch instrument, to ensure that tension force meets cable strength requirement.But stone During oil probing, cable gos deep into inside oil well, and traditional tension force detection device is not suitable for oil well internal environment;And inside oil well , it is necessary to consider influence of the instrument external and internal pressure difference to device structure intensity and detection numerical value during dynamometry.Simultaneously as tension force Sensor value is expensive, and how to carry out protection to tension sensor in overtension is also the institute of oil well cable tension force detection now One of technical problem faced.
The content of the invention
The object of the present invention is to provide a kind of head harness with detection tension force, can go deep into inside oil well carrying out cable electricity Road connects, and possesses balance external and internal pressure, the accurate function of measuring cable stretch;Protection can be disconnected in overtension The advantages of force snesor, has easy to assembling, and integration degree is high.
The purpose of the present invention is achieved through the following technical solutions:
A kind of head harness with detection tension force, including interface connected set, pin connectors, fishing bell shell, anti-twist body, piston Pipe, tension sensor, tension force connector sleeve, seal, cone frame and three tapered sleeves, the interface connected set are fixedly connected on pin connectors Left end, the fishing bell shell is fixedly connected on the right end of pin connectors, and the anti-twist body is connected to the interior of fishing bell shell Portion, the anti-twist body are located at the right end of pin connectors, and the right end of the anti-twist body is fixedly connected with piston tube, the right side of the piston tube End is fixedly connected with tension sensor, and the right end of the tension sensor is fixedly connected with tension force connector sleeve, the tension force connector sleeve Right end clamping connection seal, the right end clamping connection cone frame of the seal, the third hand tap set are plugged in cone frame, institute State the hold-down bolt for being connected to compress three tapered sleeves on cone frame by thread fitting, the pin connectors, anti-twist body, piston Pipe, tension force connector sleeve, seal and cone frame are from left to right plugged on the inside of fishing bell shell successively.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the anti-twist body Safe pull pin is provided between piston tube, one end of the safe pull pin is connected through a screw thread anti-twist body, the safety The other end of pull pin is connected through a screw thread piston tube.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the piston tube Socket connection dummy piston, the dummy piston are slidably connected in piston tube, and inner seal ring is provided with the dummy piston Groove, external seal annular groove, seal washer and packing ring snap ring, are provided with inner seal ring, the outer seal ring in the interior sealing annular groove Outer seal ring is provided with groove, the inner seal ring is between dummy piston and piston tube, and the outer seal ring is positioned at balance Between the inner wall of piston and fishing bell shell, the seal washer is socketed on dummy piston, and the packing ring snap ring is connected to flat Weigh piston on, the seal washer is connected between dummy piston and packing ring snap ring, the seal washer be located at dummy piston and Between the inner wall of fishing bell shell.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the contact pin connects Multiple pin holes are provided with head, wiring contact pin, sleeve are respectively arranged with multiple pin holes, patches exposed pin, insulation sleeve Ith, insulation sleeve II and insulation sleeve III, the wiring contact pin right end are threadedly attached in the inside of sleeve, the wiring contact pin Left end be threadedly attached in the inside for patching exposed pin, the insulation sleeve I is socketed in the outside for patching exposed pin, it is described absolutely Edge set I is positioned at patching between exposed pin and the inner wall of pin holes, and the insulation sleeve II is socketed on wiring contact pin, the insulation sleeve II between wiring contact pin and the inner wall of pin holes, and the insulation sleeve III is socketed on sleeve, and the insulation sleeve III is located at Between sleeve and the inner wall of pin holes.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the contact pin connects Be provided with oil duct and stomata bolt on head, the oil duct runs through the right side of pin connectors, be provided with the pin connectors with The stomata of oil duct connection, mating connection stomata bolt in stomata.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the fishing bell Oil filler point and oil seepage hole are provided with shell, the oil filler point internal thread is connected with oil filler point bolt, and the dummy piston is located at Between oil filler point and oil seepage hole.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the piston tube Tensioned swivel nut is set between tension sensor, the right end of the tension force swivel nut is threadedly attached in the inside of piston tube, The left end of the tension force swivel nut is connected to the right end of tension sensor left end boss.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the seal Left end be connected through a screw thread pressing sleeve.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the tension force connects The right end of female connector is connected through a screw thread clamping swivel nut I, and the clamping swivel nut I is connected to the left end of seal middle end of upper section snap ring, institute The left end for stating cone frame is connected through a screw thread clamping swivel nut II, and the clamping swivel nut II is connected to the right side of seal middle end of upper section snap ring End.
As the further optimization of the technical program, a kind of head harness with detection tension force of the present invention, the cone frame Internal right end connects rubber tapered sleeve by thread fitting, and the right end of the cone outer frame side connects wind spring by thread fitting.
The present invention is a kind of to have having the beneficial effect that for the head harness for detecting tension force:
A kind of head harness with detection tension force of the present invention, is provided with tension sensor, can be while cable connection The size of detection cable tension force;Tension sensor is arranged on the inside of fishing bell shell, realizes the integrated installation of device, favorably Protected in tension sensor;Dummy piston is provided with, the pressure differential inside and outside fishing bell shell can be balanced and tension force passes The pressure differential at sensor both ends, not only can protect fishing bell shell not damaged by oil pressure, but also can be to avoid pressure differential to tension test The influence of numerical value;Safe pull pin is provided with, can prevent excessive pulling force from causing tension sensor to damage.
Brief description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure half-section diagram of the present invention;
Fig. 2 is the partial structurtes half-section diagram of the present invention;
Fig. 3 is the partial enlargement half-section diagram one of the present invention;
Fig. 4 is the partial enlargement half-section diagram two of the present invention.
In figure:Interface connected set 1;Pin connectors 2;Wiring contact pin 2-1;Sleeve 2-2;Patch exposed pin 2-3;Insulation sleeve I 2-4;II 2-5 of insulation sleeve;III 2-6 of insulation sleeve;Oil duct 2-7;Stomata bolt 2-8;Fishing bell shell 3;Oil filler point bolt 3-1;Ooze Oilhole 3-2;Anti-twist body 4;Piston tube 5;Tension sensor 6;Tension force connector sleeve 7;Seal 8;Cone frame 9;Three tapered sleeves 10;Safety Pull pin 11;Dummy piston 12;Interior sealing annular groove 12-1;External seal annular groove 12-2;Seal washer 12-3;Packing ring snap ring 12-4; Tension force swivel nut 13;Pressing sleeve 14;Clamping swivel nut I 15;Clamping swivel nut II 16;Rubber tapered sleeve 17;Wind spring 18.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one:
With reference to Fig. 1-4 illustrate present embodiment, it is a kind of have detection tension force head harness, including interface connected set 1, insert Adapter 2, fishing bell shell 3, anti-twist body 4, piston tube 5, tension sensor 6, tension force connector sleeve 7, seal 8,9 and of cone frame Three tapered sleeves 10, the interface connected set 1 are fixedly connected on the left end of pin connectors 2, and the fishing bell shell 3 is fixedly connected on contact pin The right end of connector 2, the anti-twist body 4 are connected to the inside of fishing bell shell 3, and the anti-twist body 4 is located at the right side of pin connectors 2 End, the right end of the anti-twist body 4 are fixedly connected with piston tube 5, and the right end of the piston tube 5 is fixedly connected with tension sensor 6, described The right end of tension sensor 6 is fixedly connected with tension force connector sleeve 7, the right end clamping connection seal 8 of the tension force connector sleeve 7, institute The right end clamping connection cone frame 9 of seal 8 is stated, three tapered sleeve 10 is plugged in cone frame 9, is passed through on the cone frame 9 Thread fitting is connected to compress the hold-down bolt of three tapered sleeves 10, the pin connectors 2, anti-twist body 4, piston tube 5, tension force connection Set 7, seal 8 and cone frame 9 are from left to right plugged on the inside of fishing bell shell 3 successively;
During installation, one end of cable is welded to connect the right end in pin connectors 2, and cable from left to right sequentially passes through anti-twist body 4th, piston tube 5, tension sensor 6,9 and three tapered sleeve 10 of tension force connector sleeve 7, seal 8 and cone frame, by screwing cone frame 9 On hold-down bolt clamp three tapered sleeves 10, so that cable be fixedly connected with cone frame 9;Pin connectors 2, anti-twist body 4, piston Pipe 5, tension sensor 6, tension force connector sleeve 7, seal 8 and cone frame 9 are from left to right plugged on the interior of fishing bell shell 3 successively Portion, the left end connecting contact pin connector 2 of fishing bell shell 3, the left end connecting interface connected set 1 of pin connectors 2;The tension sensor 6 signal wire is arranged on the inside of fishing bell shell 3, and is drawn from the right end of three tapered sleeves 10;
In use, cable under tension acts on, pulling force acts on tension force through cone frame 9, seal 8 and tension force connector sleeve 7 The right end of sensor 6, the left end of tension sensor 6 are fixedly connected in piston tube 5, and piston tube 5 is fixedly connected with anti-twist body 4, are prevented Swivel 4 is connected on fishing bell shell 3, and interface connected set 1, pin connectors 2 are fixedly connected with fishing bell shell 3, and interface connected set 1 connects It is connected on another cable interface and is fixed, thus pulling force effect realizes the detection of tension force on tension sensor 6;It is described Be provided with the threading hole of disalignment in anti-twist body 4, cable through the threading hole in the anti-twist body 4 anti-twist body 4 so as to The rotation of anti-twist body 4 is limited, avoids cable rotation winding;When cable under tension acts on, frictional force acts on third hand tap On set 10 so that three tapered sleeves 10 increase cable clamping force, further enhancing being fixedly connected for cable and three tapered sleeves 10; Force snesor 6 is arranged on inside head harness, realizes tension sensor 6 and cable integrated combination, not only contributes to cable The accurate precision of power detection, and effective protection can be played to tension sensor 6.
Embodiment two:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, described anti- Safe pull pin 11 is provided between swivel 4 and piston tube 5, one end of the safe pull pin 11 is connected through a screw thread anti-twist body 4, the other end of the safe pull pin 11 is connected through a screw thread piston tube 5;Pulling force suffered by safe pull pin 11 is passed with tension force Pulling force suffered by sensor 6 is identical, when the pulling force that safe pull pin 11 is subject to is excessive, close to cable bearing tension force the limit or exceed During the detection range of tension sensor 6, safe pull pin 11 is because being subject to ultimate tension to be broken, so that piston tube 5, tension force sense Device 6, tension force connector sleeve 7, seal 8 and 9 and three tapered sleeve 10 of cone frame are skidded off from fishing bell shell 3, and piston tube 5, tension force pass Sensor 6, tension force connector sleeve 7, seal 8 and 9 and three tapered sleeve 10 of cone frame can be recycled with cable salvage.
Embodiment three:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, the work The socket connection dummy piston 12 of pipe 5 is filled in, the dummy piston 12 is slidably connected in piston tube 5, is set on the dummy piston 12 It is equipped with interior sealing annular groove 12-1, external seal annular groove 12-2, seal washer 12-3 and packing ring snap ring 12-4, the interior sealing annular groove Inner seal ring is provided with 12-1, outer seal ring is provided with the external seal annular groove 12-2, the inner seal ring is positioned at balance Between piston 12 and piston tube 5, the outer seal ring is located between dummy piston 12 and the inner wall of fishing bell shell 3, described close Seal washer 12-3 is socketed on dummy piston 12, and the packing ring snap ring 12-4 is connected on dummy piston 12, the seal washer 12-3 is connected between dummy piston 12 and packing ring snap ring 12-4, and the seal washer 12-3 is located at dummy piston 12 and fishing bell Between the inner wall of shell 3;The right end of the dummy piston 12 is connected with outside, and the left end of the dummy piston 12 is filled with closing Fluid in fishing bell shell 3, realizes the balance of inside and outside oil pressure by horizontally slipping for dummy piston 12, prevents interior external pressure Force difference causes fishing bell shell 3 to damage, and can prevent pressure differential from influencing tension force with the pressure at 6 both ends of balance tension sensor Detected value, the fluid in fishing bell shell 3 may insure that the inside of fishing bell shell 3 and pin connectors 2 by extraneous oil contamination, are prevented Only extraneous fluid solidfied material attachment.
Embodiment four:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, described to insert Multiple pin holes are provided with adapter 2, wiring contact pin 2-1, sleeve 2-2 are respectively arranged with multiple pin holes, is patched outside Reveal pin 2-3, III 2-6 of I 2-4 of insulation sleeve, II 2-5 of insulation sleeve and insulation sleeve, the wiring contact pin 2-1 right ends are threadedly attached in The inside of sleeve 2-2, the left end of the wiring contact pin 2-1 is threadedly attached in the inside for patching exposed pin 2-3, described exhausted Edge covers I 2-4 and is socketed in the outside for patching exposed pin 2-3, and I 2-4 of insulation sleeve, which is located at, patches the interior of exposed pin 2-3 and pin holes Between wall, II 2-5 of insulation sleeve is socketed on wiring contact pin 2-1, and II 2-5 of insulation sleeve is located at wiring contact pin 2-1 with inserting Between the inner wall of pin hole, III 2-6 of insulation sleeve is socketed on sleeve 2-2, and III 2-6 of insulation sleeve is located at sleeve 2-2 Between the inner wall of pin holes, the insulation between wiring contact pin 2-1 and pin connectors 2 is realized with this.
Embodiment five:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, described to insert Oil duct 2-7 is provided with adapter 2 and stomata bolt 2-8, the oil duct 2-7 run through the right side of pin connectors 2, the contact pin It is provided with the stomata connected with oil duct 2-7 on connector 2, mating connection stomata bolt 2-8 in stomata.
Embodiment six:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment three, described to beat Drag for and oil filler point and oil seepage hole 3-2 are provided with cap shell 3, the oil filler point internal thread is connected with oil filler point bolt 3-1, described flat Piston 12 weigh between oil filler point and oil seepage hole 3-2;Open oil filler point bolt 3-1 and fluid is injected into fishing bell shell 3, together When open stomata bolt 2-8 be exhausted, fluid is sufficiently injected the inside of fishing bell shell 3 and oil duct 2-7.
Embodiment seven:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, the work Tensioned swivel nut 13 is set between plug pipe 5 and tension sensor 6, the right end of the tension force swivel nut 13 is threadedly attached in piston The inside of pipe 5, the left end of the tension force swivel nut 13 are connected to the right end of 6 left end boss of tension sensor, and tension force swivel nut 13 is used for Connect piston tube 5 and tension sensor 6.
Embodiment eight:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, described close The left end of envelope body 8 is connected through a screw thread pressing sleeve 14, and the pressing sleeve 14 is used to compress cable, while cable can be prevented in seal Rocked in 8.
Embodiment nine:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, described The right end of power connector sleeve 7 is connected through a screw thread clamping swivel nut I 15, and the clamping swivel nut I 15 is connected to 8 middle end of upper section snap ring of seal Left end, the left end of the cone frame 9 is connected through a screw thread clamping swivel nut II 16, and the clamping swivel nut II 16 is connected to seal The right end of 8 middle end of upper section snap rings;Clamping swivel nut I 15 and clamping swivel nut II 16 are realized when 9 under tension of cone frame acts on, cone Pulling force transmission between frame 9 and seal 8.
Embodiment ten:
Illustrate present embodiment with reference to Fig. 1-4, present embodiment is described further embodiment one, the cone Right end inside body frame 9 connects rubber tapered sleeve 17 by thread fitting, and the right end in the outside of cone frame 9 is connected by thread fitting Wind spring 18 is connect, rubber tapered sleeve 17 and wind spring 18 are used to fracture caused by preventing cable folding or cable protective crust is damaged.
A kind of head harness with detection tension force of the present invention, its operation principle are:In use, cable under tension is made With pulling force acts on the right end of tension sensor 6, a left side for tension sensor 6 through cone frame 9, seal 8 and tension force connector sleeve 7 End is fixedly connected in piston tube 5, and piston tube 5 is fixedly connected with anti-twist body 4, and anti-twist body 4 is connected on fishing bell shell 3, interface Connected set 1, pin connectors 2 are fixedly connected with fishing bell shell 3, and interface connected set 1 is connected on another cable interface and is fixed, Thus pulling force effect realizes the detection of tension force on tension sensor 6;The threading of disalignment is provided with the anti-twist body 4 Hole, cable pass through the threading hole in the anti-twist body 4, so as to limit the rotation of anti-twist body 4, to avoid cable from revolving in anti-twist body 4 Turn winding;When cable under tension acts on, frictional force is acted on three tapered sleeves 10 so that three tapered sleeves 10 are to cable clamping force Increase, further enhancing being fixedly connected for cable and three tapered sleeves 10;Tension sensor 6 is arranged on inside head harness, is realized Tension sensor 6 and cable integrated combination, not only contribute to the accurate precision of cable stretch detection, and can to tension force Sensor 6 plays effective protection;
The right end of the dummy piston 12 is connected by oil seepage hole 3-2 with outside, the left end filling of the dummy piston 12 There is the fluid being enclosed in fishing bell shell 3, the balance of inside and outside oil pressure is realized by horizontally slipping for dummy piston 12, is prevented External and internal pressure difference causes fishing bell shell 3 to damage, and can prevent pressure differential shadow with the pressure at 6 both ends of balance tension sensor Ring tension force detected value, the fluid in fishing bell shell 3 may insure the inside of fishing bell shell 3 and pin connectors 2 by extraneous fluid Pollution, prevents extraneous fluid solidfied material from adhering to.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention Protect scope.

Claims (10)

1. a kind of head harness with detection tension force, including interface connected set (1), pin connectors (2), fishing bell shell (3), anti-rotation Body (4), piston tube (5), tension sensor (6), tension force connector sleeve (7), seal (8), cone frame (9) and three tapered sleeves (10), It is characterized in that:The interface connected set (1) is fixedly connected on the left end of pin connectors (2), and the fishing bell shell (3) is fixed to be connected The right end of pin connectors (2) is connected on, the anti-twist body (4) is connected to the inside of fishing bell shell (3), anti-twist body (4) position Right end in pin connectors (2), the right end of the anti-twist body (4) are fixedly connected with piston tube (5), the right end of the piston tube (5) Tension sensor (6) is fixedly connected with, the right end of the tension sensor (6) is fixedly connected with tension force connector sleeve (7), and the tension force connects The right end clamping connection seal (8) of female connector (7), the right end clamping connection cone frame (9) of the seal (8), the third hand tap Set (10) is plugged in cone frame (9), is connected to compress the pressure of three tapered sleeves (10) on the cone frame (9) by thread fitting Tight bolt, the pin connectors (2), anti-twist body (4), piston tube (5), tension force connector sleeve (7), seal (8) and cone frame (9) The inside of fishing bell shell (3) is from left to right plugged on successively.
A kind of 2. head harness with detection tension force according to claim 1, it is characterised in that:The anti-twist body (4) with Safe pull pin (11) is provided between piston tube (5), one end of the safe pull pin (11) is connected through a screw thread anti-twist body (4), the other end of the safe pull pin (11) is connected through a screw thread piston tube (5).
A kind of 3. head harness with detection tension force according to claim 1, it is characterised in that:Piston tube (5) set Dummy piston (12) is connect in succession, and the dummy piston (12) is slidably connected in piston tube (5), is set on the dummy piston (12) Interior sealing annular groove (12-1), external seal annular groove (12-2), seal washer (12-3) and packing ring snap ring (12-4) are equipped with, it is described interior close Inner seal ring is provided with seal ring groove (12-1), outer seal ring, the interior sealing are provided with the external seal annular groove (12-2) Ring is located between dummy piston (12) and piston tube (5), and the outer seal ring is located at dummy piston (12) and fishing bell shell (3) Inner wall between, the seal washer (12-3) is socketed on dummy piston (12), and the packing ring snap ring (12-4) is connected to flat Weigh on piston (12), the seal washer (12-3) is connected between dummy piston (12) and packing ring snap ring (12-4), described close Seal washer (12-3) is located between the inner wall of dummy piston (12) and fishing bell shell (3).
A kind of 4. head harness with detection tension force according to claim 1, it is characterised in that:The pin connectors (2) On be provided with multiple pin holes, wiring contact pin (2-1), sleeve (2-2) are respectively arranged with multiple pin holes, patches exposed pin (2-3), insulation sleeve I (2-4), insulation sleeve II (2-5) and insulation sleeve III (2-6), wiring contact pin (2-1) right end pass through screw thread The inside of sleeve (2-2) is connected to, the left end of the wiring contact pin (2-1), which is threadedly attached in, patches exposed pin (2-3) Inside, the insulation sleeve I (2-4) is socketed in the outside for patching exposed pin (2-3), and the insulation sleeve I (2-4) is outer positioned at patching Reveal pin (2-3) between the inner wall of pin holes, the insulation sleeve II (2-5) is socketed on wiring contact pin (2-1), the insulation sleeve II (2-5) is located at wiring contact pin (2-1) between the inner wall of pin holes, and the insulation sleeve III (2-6) is socketed in sleeve (2-2) On, the insulation sleeve III (2-6) is located at sleeve (2-2) between the inner wall of pin holes.
A kind of 5. head harness with detection tension force according to claim 1, it is characterised in that:The pin connectors (2) On be provided with oil duct (2-7) and stomata bolt (2-8), the oil duct (2-7) runs through the right side of pin connectors (2), described to insert It is provided with the stomata connected with oil duct (2-7) in adapter (2), mating connection stomata bolt (2-8) in stomata.
A kind of 6. head harness with detection tension force according to claim 3, it is characterised in that:The fishing bell shell (3) oil filler point and oil seepage hole (3-2) are provided with, the oil filler point internal thread is connected with oil filler point bolt (3-1), the balance Piston (12) is located between oil filler point and oil seepage hole (3-2).
A kind of 7. head harness with detection tension force according to claim 1, it is characterised in that:The piston tube (5) and Tensioned swivel nut (13) is set between tension sensor (6), and the right end of the tension force swivel nut (13) is threadedly attached in piston The inside of (5) is managed, the left end of the tension force swivel nut (13) is connected to the right end of tension sensor (6) left end boss.
A kind of 8. head harness with detection tension force according to claim 1, it is characterised in that:The seal (8) Left end is connected through a screw thread pressing sleeve (14).
A kind of 9. head harness with detection tension force according to claim 1, it is characterised in that:The tension force connector sleeve (7) right end is connected through a screw thread clamping swivel nut I (15), and the clamping swivel nut I (15) is connected to seal (8) middle end of upper section snap ring Left end, the left end of the cone frame (9) is connected through a screw thread clamping swivel nut II (16), and the clamping swivel nut II (16) is connected to The right end of seal (8) middle end of upper section snap ring.
A kind of 10. head harness with detection tension force according to claim 1, it is characterised in that:In the cone frame (9) The right end in portion connects rubber tapered sleeve (17) by thread fitting, and the right end on the outside of the cone frame (9) is connected by thread fitting Wind spring (18).
CN201711480675.0A 2017-12-29 2017-12-29 A kind of head harness with detection tension force Pending CN108005636A (en)

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Application Number Priority Date Filing Date Title
CN201711480675.0A CN108005636A (en) 2017-12-29 2017-12-29 A kind of head harness with detection tension force

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CN108005636A true CN108005636A (en) 2018-05-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108729899A (en) * 2018-05-09 2018-11-02 刘刚 Multi-functional borehole log bridle
CN108827519A (en) * 2018-06-06 2018-11-16 黑龙江兰德超声科技股份有限公司 A kind of oil well cable tension detecting apparatus
CN110323709A (en) * 2019-06-12 2019-10-11 中国石油天然气股份有限公司 A kind of oil-submersible cable wet type connection method and its device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108729899A (en) * 2018-05-09 2018-11-02 刘刚 Multi-functional borehole log bridle
CN108827519A (en) * 2018-06-06 2018-11-16 黑龙江兰德超声科技股份有限公司 A kind of oil well cable tension detecting apparatus
CN108827519B (en) * 2018-06-06 2020-05-22 黑龙江兰德超声科技股份有限公司 Oil well cable tension detection device
CN110323709A (en) * 2019-06-12 2019-10-11 中国石油天然气股份有限公司 A kind of oil-submersible cable wet type connection method and its device

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