CN102626882A - Pipeline pressure perforating machine - Google Patents
Pipeline pressure perforating machine Download PDFInfo
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- CN102626882A CN102626882A CN2012101263999A CN201210126399A CN102626882A CN 102626882 A CN102626882 A CN 102626882A CN 2012101263999 A CN2012101263999 A CN 2012101263999A CN 201210126399 A CN201210126399 A CN 201210126399A CN 102626882 A CN102626882 A CN 102626882A
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Abstract
The invention relates to a field of oil and gas pipeline maintenance, reparation and alteration, particularly to a perforating machine for pressure perforating operation for non-stop transmission of the oil and gas pipeline. The machine comprises a host and a drive device. The drive device adopts a drive motor and a feed motor which are arranged coaxially overhead, and the motors are low speed and high torque vane motors for rotor internal spline output. A drive sleeve, a main shaft and a screw rod are arranged along the axial direction inside the host, wherein the main shaft is in the drive sleeve core, and the screw rod is inside the main shaft core. The drive motor is connected with a drive sleeve spline through the drive motor shaft, and the feed motor is connected with a screw spline through the feed motor shaft. The main shaft upper end is fixedly connected with a nut, the nut is engaged with the screw rod, power is transmitted through the feed motor shaft, the main shaft moves up and down according to spiral lead by the screw rod engagement, and perforating is realized. The machine of the invention solves problems of complicated structure, low pressure of applicable pipes, no stepless speed control and the like in the existing equipment. The machine of the invention is applicable to pipelines with high pressure and a large diameter, has simple structure and can achieve the stepless speed control.
Description
Technical field
The present invention relates to maintenance, repairing, the transformation field of oil and gas pipeline, the pipe pressurized tapping machine of using for a kind of oil and gas pipeline stopping transportation pressure perforate operation specifically.
Background technology
Be accompanied by the national economy high speed development; Oil and natural gas consumption continues soaring; Already and will continue to form the key pipe network of conveying crude oil, natural gas and product oil; Especially clean energy resource-natural-gas transfer pipeline develops to high pressure heavy caliber direction, and pipe material is to the above high-strength material development of X80, and existing equipment can not satisfy the equipment that does not stop defeated pressure piping perforate requirement.The shutoff of large-caliber gas-oil pipeline stopping transportation pressure is the Important Project technical task that our times pipeline transportation industry faces jointly.At present, along with the continuous increase of the increasing rapidly of the newly-built pipeline scale of China, pipeline delivery pressure, bore, transformation, the maintenance task of pipeline are more and more heavier.The normal operation of oil gas accumulating not only affects people's lives, social economy's construction, more is related to social stability and national security.So; Need badly at the heavy caliber pressure piping and do not stop defeated perforate shutoff field raising self-technique innovation ability; Break international technology monopolization, have the large-caliber gas-oil pipeline high-pressure no transmission perforate shutoff serial equipment of independent intellectual property right according to the present pipe-line construction present situation exploitation of China, improving the dimension repairing ability of China's oil and gas pipes; The sudden accident that reply possibly occur guarantees that the oil-gas pipeline safe operation has profound influence.Ubiquitous problem does in the prior art, and ordinary circumstance is all carried out speed governing for gear-box, has increased the weight of equipment, can not realize stepless time adjustment; The perforate depth of cut is a definite value, can not adjust; Nos pressure adjusting in the perforate body can not be done the work under the high pressure more.Therefore can not satisfy bigbore pipeline tapping under the high pressure.
Summary of the invention
Technical problem to be solved by this invention provides and is suitable for high pressure and large diameter pipeline, and is simple in structure, realizes the pipe pressurized tapping machine of stepless time adjustment, and it is loaded down with trivial details to solve speed regulating structure, is suitable for problems such as pressure is low.
The technical scheme that the present invention solves the problems of the technologies described above is following:
Noun among the present invention " lower end " perhaps " downside " refers to tapping machine when work, and near service pipe, perhaps the end near cutter is the lower end, and an opposite end is " upper end " perhaps " upside ".
A kind of pipe pressurized tapping machine comprises main frame and the power set that are arranged at the main frame upper end,
Said power set mainly are made up of CD-ROM drive motor and feeding motor, and CD-ROM drive motor and feeding motor all adopt the overhead coaxial arrangement in the main frame upper end, are the low-speed big sliding-vane motor of rotor internal spline output; The low-speed big sliding-vane motor; Refer to low and the motor that output torque is big of rotating speed; Rated speed is lower than 500r/min and belongs to low speed hydraulic motor, can reach sometimes that per minute is several to forward several commentaries on classics at zero point to, and the output torque of low speed hydraulic motor is big; So be called low speed high torque hydraulic motor, and the hydraulic motor that the present invention adopts belongs to the hydraulic motor of vane type from the basic structure type.
Be provided with drive sleeve, main shaft, leading screw in the said main frame vertically, wherein main shaft is positioned at the drive sleeve in-core, and the main shaft inner core has leading screw, and the leading screw upper end sees through main shaft;
Said CD-ROM drive motor is connected with the spline of drive sleeve through motor shaft, and the feeding motor is connected with the spline of leading screw through the feeding motor drive shaft, and motor shaft is enclosed within on the leading screw upper end through main shaft; The upper end of main shaft is fixedly connected with a screw, and screw and leading screw are connected with a joggle, and transmits power through the feeding motor drive shaft, and main shaft is moved up and down by lead of screw through the leading screw engagement;
Further, the upper end of main shaft is provided with feather key, and drive sleeve is provided with the guiding keyway, and the feather key of main shaft is embedded in the guiding keyway, when the restriction main shaft moves up and down, moves in the vertical direction; Simultaneously when drive sleeve and leading screw rotatablely move under the driving of CD-ROM drive motor and feeding motor respectively simultaneously, form main axis rotation upwards (descend) move, thereby the realization perforate.
Motor box is installed in the CD-ROM drive motor outside, and CD-ROM drive motor is covered in the motor box, and the motor box top has the motor case lid, and the motor box bottom has the CD-ROM drive motor seat; Drive sleeve is through the shell body of bearings to main frame, and the shell body upper end connects the CD-ROM drive motor seat, and compresses motor shaft through the motor case lid, and the shell body lower end connects the main shaft support case of supports main shaft, and main shaft passes the main shaft support case.
The feeding motor drive shaft passes the motor case lid, and the feeding motor is fixedly connected with the motor case lid.
Further, CD-ROM drive motor and feeding motor respectively through control valve with offer the hydraulic pump of CD-ROM drive motor and be connected with the feeding motor power, realize the adjustment of motor rotary speed and power output through the control control valve.
Further, the feather key slot length does not connect drive sleeve, is provided with spacing axle sleeve in the lower end of guiding keyway, prevents that main shaft from stretching out excessively.
On the basis of technique scheme; The present invention can also have pressure equaliser in the arranged outside of main frame; Said pressure equaliser is a plurality of capsule formula energy storage tanks; One end of capsule formula energy storage tank is connected through sebific duct on the shell body on main shaft top and communicates with the body inner fluid of main frame; The other end is connected on the tracting pressuring hole of main shaft support case, and the manifold pressure that is come out by tracting pressuring hole expands through the leather bag in the capsule formula energy storage tank air pressure is become in the body that oil pressure passes to main frame, forms pressure balance work.
The invention has the beneficial effects as follows:
1. the mode that power set of the present invention adopt overhead coaxial arrangement double motor to drive need not complicated gear drive and gearbox and can realize stepless speed regulation, and the weight of equipment is arranged, alleviated to saving space, simplified structure; CD-ROM drive motor and feeding motor coaxial arrangement; Moment of torsion can directly be delivered to slave unit through the inner internal spline of motor, and need not other mechanical driving device, and transmission efficiency is high; Load is evenly distributed, and can not produce additional radial load.Two motors and main frame coaxial arrangement, structural configuration is compact.
2. the present invention adopts the pressure equaliser of capsule formula energy storage tank; Regulate carrying out pressure in the perforate body through line pressure; Make body inner main axis pressure and manifold pressure be in poised state and carry out perforate, thereby improve the ability of perforate, reduce the perforate power demand.Make service pressure reach 12MPa, the perforate bore covers 762 ~ 1524mm scope.
3. adopt Drive Structure of the present invention and shafting structure to make this equipment possess swaging clamp automatic withdrawal function; For the tubing perforate operation that adapts to different bores and the different operating modes in the same caliber pipe material perforate process, can select different feed speeds neatly.
Description of drawings
Fig. 1 is the structural representation of tapping machine of the present invention;
Fig. 2 is the structure cutaway view of tapping machine of the present invention;
Wherein, 1 is main frame, and 2 are the feeding motor, and 3 is CD-ROM drive motor, and 4 is screw; 5 is leading screw, and 6 is main shaft, and 7 is shell body, and 8 is spacing axle sleeve, and 9 is feather key; 10 is drive sleeve, and 11 is the main shaft support case, and 12 is hydraulic mandril, and 13 is pressure equaliser, and 14 are the hydraulic control panel; 15 is support or helper, and 16 is sebific duct, and 17 is tracting pressuring hole, and 18 is main shaft displacement display unit, and 22 are the feeding motor drive shaft; 31 is motor shaft, and 32 is the motor case lid, and 33 is motor box, and 34 is the CD-ROM drive motor seat, and 101 are the guiding keyway.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
As depicted in figs. 1 and 2, a kind of pipe pressurized tapping machine comprises main frame 1 and the power set that are arranged at the main frame end; This main frame 1 comprises the axle system that cooperates between main shaft 6, leading screw 5, drive sleeve 10 and the hydraulic mandril 12; And tapping machine shell body 7, motor drive shaft and downside main shaft support case 11, above-mentioned parts assembling forms main frame 1, is provided with main shaft 6 and drive sleeve 10 in this main frame 1 vertically; Main shaft 6 is positioned at drive sleeve 10 in-cores, and main shaft 6 is connected with drive sleeve 10; Main shaft 6 inner cores have leading screw 5, and leading screw 5 upper ends see through main shaft 6, and the part that sees through main shaft 6 is called and exposes axle, and the upper end of main shaft 6 is fixedly connected with a screw 4, and said screw 4 and leading screw 5 are connected with a joggle.Leading screw 5 in-cores have hydraulic mandril 12.
Said power set mainly are made up of CD-ROM drive motor 3 and feeding motor 2; CD-ROM drive motor 3 all adopts the overhead coaxial arrangement in the main frame upper end with feeding motor 2, is the low-speed big sliding-vane motor of rotor internal spline output, in the present embodiment; The low-speed big sliding-vane motor adopts Vickers-Vickers vane type motor; Wherein the CD-ROM drive motor model is MHT500, and feeding motor model is MHT150, and similar low-speed big sliding-vane motor can be used for the present invention equally; CD-ROM drive motor 3 is connected with drive sleeve 10 splines through motor shaft 31; Motor shaft 31 and CD-ROM drive motor 3 spline engagement; Be connected with the CD-ROM drive motor seat 34 of CD-ROM drive motor 3 through bolt; Motor box 33 is installed in CD-ROM drive motor 3 outsides, and CD-ROM drive motor 3 is covered in the motor box 33, and motor box 33 tops are coated with motor case lid 32.Feeding motor 2 is connected with leading screw 5 splines through feeding motor drive shaft 22, and feeding motor 2 passes through spline engagement with feeding motor drive shaft 22, and feeding motor drive shaft 22 passes motor case lid 32 and is connected with leading screw 5, and feeding motor 2 is fixedly connected with motor case lid 32 through bolt.Expose on the axle upper end that motor shaft 31 is through leading screw 5, exposes a formation nested structure with the upper end of leading screw 5, and motor shaft 31 forms mutually nested structure between main shaft 6, leading screw 5, drive sleeve 10, the motor shaft 31 with after drive sleeve 10 is connected.
The periphery, upper end of main shaft 6 is provided with feather key 9, and drive sleeve 10 is provided with guiding keyway 101, and the feather key 9 of main shaft 6 is embedded in the guiding keyway 101, can in guiding keyway 101, move up and down.Guiding keyway 101 length do not connect drive sleeve 10, are provided with spacing axle sleeve 8 in the lower end of guiding keyway 101, prevent that main shaft 6 from stretching out excessively.
Drive sleeve 10 arrives shell body 7 through bearings; Shell body 7 upper ends connect CD-ROM drive motor seat 34, and compress motor shaft 31 through motor case lid 32, and shell body connects main shaft support case 11 7 times; Main shaft 6 passes main shaft support case 11 simultaneously, is transmission mechanism thereby form the perforate arbor.
When CD-ROM drive motor 3 rotations, drive drive sleeve 10 rotations by motor shaft 31, drive main axis rotation by feather key 9 this moment, forms main shaft 6 rotations; When feeding motor 2 rotation, drive the leading screws rotation by feeding motor drive shaft 22, this moment leading screw 5 with screw 4 engaged transmission, thereby form main shaft stretching motion about in the of 6.Like two motors when the same direction co-operation, form main shaft 6 about rotary extension move.Double motor is driving main shaft 6 and leading screw 5 respectively, need not complicated gear drive and gearbox, saves space, simplified structure layout, alleviates main frame weight.
In normal perforate process, the CD-ROM drive motor rotating speed when being higher than the feeding motor rotary speed, the differential feeding.When the perforate swaging clamp occurring, the CD-ROM drive motor rotating speed can reduce immediately, when being lower than the feeding motor rotary speed; The differential automatic withdrawal, after boring cutter broke away from cutting surface, the cutting motor rotary speed was higher than the feeding motor rotary speed once more; The differential feeding; Normally cut, so back and forth guarantee the safety of cutter and motor, form perforate swaging clamp defencive function.
Among the present invention, CD-ROM drive motor is connected with hydraulic pump through control valve respectively with the feeding motor, realizes the adjustment of motor rotary speed and power output through the control of control control valve.Applied hydraulic pump is variable output, and flow and pressure can be regulated through control valve, because the characteristic of vane type motor through changing hydraulic flow and pressure, can realize the free adjustment of motor rotary speed and power output.When CD-ROM drive motor and feeding motor are worked simultaneously, utilize differential principle hydraulic pressure adjustment proportioning two motor rotary speeds, accomplish tapping machine cutting feed speed, this kind method can be accomplished stepless speed regulation along with transferring dress tapping machine feeding and rotary speed.The present invention is equipped with the state of hydraulic control panel 14 control control valves, is automatic or manual control, and the major control valve body is concentrated hydraulic control panel 14, is installed on the main frame lower end, makes things convenient for personnel operation.
Among the present invention; The arranged outside of main frame has pressure equaliser 13; Said pressure equaliser 13 is a plurality of capsule formula energy storage tanks; One end of capsule formula energy storage tank is connected through sebific duct on the shell body on main shaft top and communicates with the body inner fluid of main frame, and the other end is connected on the tracting pressuring hole 17 of main shaft support case 11 through sebific duct 16.The structure of capsule formula energy storage tank is that the gas part with a leather bag is partly formed with the accumulator with fluid.Because the tapping machine complete machine injects hydraulic oil, promptly shell body is with interior, the whole oilings of CD-ROM drive motor seat and main shaft support case inside, and the external bladder type hydropneumatic accumulator of tapping machine is as pressure equaliser 13; Adopt rubber hose coupling to be connected with the body of main frame; Through the tracting pressuring hole 17 of main shaft support case 11, manifold pressure is guided in the accumulator leather bag during with the perforate operation, hydraulic oil generation pressure in the compress energy storage device after leather bag expands; And be delivered in the body of main frame; Negative function is under the poised state tapping machine main shaft, leading screw and drive sleeve and works at main shaft end face upward pressure, makes the tapping machine can be in the more following work of high pressure under equal feed power output situation.Improve the perforate work capacity of tapping machine.
Among the present invention, the height that runs through main frame in the outside of main frame is provided with support or helper 15, is convenient to operation, and in the lower end of main frame, the upper end of main shaft support case is provided with operating platform.
In order to observe the drilling depth scale of main shaft better, the shell body of main frame is provided with main shaft displacement display unit 18, and this main shaft displacement display unit 18 comprises a mechanical trip table, a main shaft drilling depth state electronic console and an observation window visual windows.The mechanical trip table converts through gear and main shaft turnover amount shown is used for usefulness peripheral personnel and far sees usefulness; Electronic console is the same with the function of mechanical trip table, is through gear and sprocket wheel the rotating speed of motor to be converted into main shaft turnover amount, gathers the rotating speed of motor simultaneously, is shown to the operator through the electronics direction.The equipment that mechanical trip table and electronic console all adopt this area to have this function can be realized.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a pipe pressurized tapping machine comprises main frame and the power set that are arranged at the main frame upper end, it is characterized in that,
Said power set mainly are made up of CD-ROM drive motor and feeding motor, and CD-ROM drive motor and feeding motor all adopt the overhead coaxial arrangement in the main frame upper end, said CD-ROM drive motor with feed motor and be the low-speed big sliding-vane motor of rotor internal spline output;
Be provided with drive sleeve, main shaft, leading screw in the said main frame vertically, wherein main shaft is positioned at the drive sleeve in-core, and the main shaft inner core has leading screw, and the leading screw upper end sees through main shaft;
Said CD-ROM drive motor is connected with the spline of drive sleeve through motor shaft, and the feeding motor is connected with the spline of leading screw through the feeding motor drive shaft, and motor shaft is enclosed within on the leading screw upper end through main shaft; The upper end of main shaft is fixedly connected with a screw, and screw and leading screw are connected with a joggle, and transmits power through the feeding motor drive shaft, and main shaft is moved up and down by lead of screw through the leading screw engagement; When drive sleeve and leading screw rotatablely move under the driving of CD-ROM drive motor and feeding motor respectively simultaneously, form main axis rotation and move down, thereby realize perforate.
2. according to the described pipe pressurized tapping machine of claim 1, it is characterized in that the periphery, upper end of main shaft is provided with feather key, drive sleeve is provided with the guiding keyway, and the feather key of main shaft is embedded in the guiding keyway, can in the guiding keyway, move up and down.
3. according to the described pipe pressurized tapping machine of claim 1, it is characterized in that motor box is installed in the CD-ROM drive motor outside, and CD-ROM drive motor is covered in the motor box, the motor box top has the motor case lid, and the motor box bottom has the CD-ROM drive motor seat; Drive sleeve is through the shell body of bearings to main frame, and the shell body upper end connects the CD-ROM drive motor seat, and compresses motor shaft through the motor case lid, and the shell body lower end connects the main shaft support case of supports main shaft, and main shaft passes the main shaft support case.
4. according to the described pipe pressurized tapping machine of claim 3, it is characterized in that the feeding motor drive shaft passes the motor case lid, the feeding motor is fixedly connected with the motor case lid.
5. according to the described pipe pressurized tapping machine of claim 3; It is characterized in that; The arranged outside of main frame has pressure equaliser, and said pressure equaliser is a plurality of capsule formula energy storage tanks, and an end of capsule formula energy storage tank is connected through sebific duct on the shell body on main shaft top and communicates with the body inner fluid of main frame; The other end is connected on the tracting pressuring hole of main shaft support case, and the manifold pressure that is come out by tracting pressuring hole expands through the leather bag in the capsule formula energy storage tank air pressure is become in the body that oil pressure passes to main frame.
6. according to the described pipe pressurized tapping machine of claim 1; It is characterized in that; CD-ROM drive motor and feeding motor respectively through control valve with offer the hydraulic pump of CD-ROM drive motor and be connected with the feeding motor power, realize the adjustment of motor rotary speed and power output through the control control valve.
7. according to the described pipe pressurized tapping machine of claim 2, it is characterized in that the feather key slot length does not connect drive sleeve, be provided with spacing axle sleeve, prevent that main shaft from stretching out excessively in the lower end of guiding keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126399.9A CN102626882B (en) | 2012-04-26 | 2012-04-26 | Pipeline pressure perforating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126399.9A CN102626882B (en) | 2012-04-26 | 2012-04-26 | Pipeline pressure perforating machine |
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| Publication Number | Publication Date |
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| CN102626882A true CN102626882A (en) | 2012-08-08 |
| CN102626882B CN102626882B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210126399.9A Active CN102626882B (en) | 2012-04-26 | 2012-04-26 | Pipeline pressure perforating machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127483A (en) * | 2014-06-06 | 2015-12-09 | 中国石油天然气集团公司 | Expanding and blocking preventing device used for radial hole forming of pipeline and expanding and blocking preventing method |
| CN105772795A (en) * | 2016-05-20 | 2016-07-20 | 天津绿清管道科技股份有限公司 | Pipeline pressure tapping machine capable of being remotely controlled |
| CN112676610A (en) * | 2021-01-13 | 2021-04-20 | 成都颜羽佳科技有限公司 | Simple and easy trompil equipment of pressure pipe fitting |
| CN114799993A (en) * | 2022-06-08 | 2022-07-29 | 国家石油天然气管网集团有限公司 | Tapping machine main shaft segmentation second grade feed mechanism |
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| US6648562B1 (en) * | 2001-06-08 | 2003-11-18 | Charles D. Calkins | Apparatus for tapping a hole in a pipeline |
| CN1915567A (en) * | 2006-09-05 | 2007-02-21 | 中国海洋石油总公司 | Tapping machine with controllable feeding depth for underwater pipeline |
| CN2925705Y (en) * | 2006-07-19 | 2007-07-25 | 沈阳辽海机械厂 | Hydraulic perforating machine |
| JP2009136947A (en) * | 2007-12-04 | 2009-06-25 | Waterworks Technology Development Organization Co Ltd | Pipe drilling machine and method |
| CN202192294U (en) * | 2011-08-05 | 2012-04-18 | 沈阳飞研航空设备有限公司 | Pipeline pressure perforating machine |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6648562B1 (en) * | 2001-06-08 | 2003-11-18 | Charles D. Calkins | Apparatus for tapping a hole in a pipeline |
| CN2925705Y (en) * | 2006-07-19 | 2007-07-25 | 沈阳辽海机械厂 | Hydraulic perforating machine |
| CN1915567A (en) * | 2006-09-05 | 2007-02-21 | 中国海洋石油总公司 | Tapping machine with controllable feeding depth for underwater pipeline |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127483A (en) * | 2014-06-06 | 2015-12-09 | 中国石油天然气集团公司 | Expanding and blocking preventing device used for radial hole forming of pipeline and expanding and blocking preventing method |
| CN105772795A (en) * | 2016-05-20 | 2016-07-20 | 天津绿清管道科技股份有限公司 | Pipeline pressure tapping machine capable of being remotely controlled |
| CN112676610A (en) * | 2021-01-13 | 2021-04-20 | 成都颜羽佳科技有限公司 | Simple and easy trompil equipment of pressure pipe fitting |
| CN114799993A (en) * | 2022-06-08 | 2022-07-29 | 国家石油天然气管网集团有限公司 | Tapping machine main shaft segmentation second grade feed mechanism |
| CN114799993B (en) * | 2022-06-08 | 2023-10-20 | 国家石油天然气管网集团有限公司 | Main shaft subsection secondary feeding mechanism of tapping machine |
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| CN102626882B (en) | 2014-07-02 |
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Effective date of registration: 20170301 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |