CN106081970A - Boring winch automatic braking protective device and method based on speed comparison - Google Patents

Boring winch automatic braking protective device and method based on speed comparison Download PDF

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Publication number
CN106081970A
CN106081970A CN201610428521.6A CN201610428521A CN106081970A CN 106081970 A CN106081970 A CN 106081970A CN 201610428521 A CN201610428521 A CN 201610428521A CN 106081970 A CN106081970 A CN 106081970A
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China
Prior art keywords
plc
cylinder
dish
immediately
motor
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Application number
CN201610428521.6A
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Chinese (zh)
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CN106081970B (en
Inventor
于兴军
魏培静
罗磊
张彦伟
朱永庆
曹晓宇
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China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
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Baoji Oilfield Machinery Co Ltd
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Priority to CN201610428521.6A priority Critical patent/CN106081970B/en
Publication of CN106081970A publication Critical patent/CN106081970A/en
Application granted granted Critical
Publication of CN106081970B publication Critical patent/CN106081970B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24Operating devices
    • B66D5/26Operating devices pneumatic or hydraulic
    • B66D5/28Operating devices pneumatic or hydraulic specially adapted for winding gear, e.g. in mining hoists
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00Capstans, winches or hoists
    • B66D2700/03Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
    • B66D2700/035Fluid operated braking devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of boring winch automatic braking protective device based on speed comparison; including mair motor; mair motor is connected with drum drive by the electronic selector of reduction box, and cylinder two ends are provided with Pan Sha mechanism, and each Pan Sha mechanism hydraulic-pneumatic control valve group of all stopping with dish connects;The electronic selector of reduction box bores clutch also by electric feeding and is connected with automatic bit feed motor-driven;It is separately installed with an encoder at mair motor axle head, cylinder axle head, automatic bit feed motor shaft end, three encoders are all connected with the signal input part of PLC, one signal output part of PLC is connected with driller's operating display, another signal output part and the dish of PLC stop hydraulic-pneumatic control valve group control be connected.The invention also discloses the boring winch self-actuating brake guard method based on speed comparison.Assembly of the invention simple in construction, control method is convenient reliably.

Description

Boring winch automatic braking protective device and method based on speed comparison
Technical field
The invention belongs to plant equipment control technical field, for the automatic emergency brake when drive failure, relate to And a kind of boring winch automatic braking protective device based on speed comparison, the invention still further relates to the rig strand based on speed comparison Car self-actuating brake guard method.
Background technology
At present, oil-well rig has been equipped with winch dish and has stopped braking mechanism to realize effective protection of rig lifting device position Control;And also can realize the automatic brake functions of partial status based on PLC automatic control technology, such as frequency converter failure, lead to Self-actuating brake under the states such as news fault.
But for being equipped with the rig of many spotting hoists or independent automatic driller, when mair motor gearshift or from Dynamic Song Zuanguahe mechanism goes wrong, and when power cannot be transferred on winch drum lifting device, how system stopped by dish can be quick Devote oneself to work automatically, prevent " drilling string not well braked " accident from occurring, not yet effectively solved at present.
Content of the invention
It is an object of the invention to provide a kind of boring winch automatic braking protective device based on speed comparison, solved Prior art boring winch mair motor gearshift or automatic bit feed are hung after closing mechanism-trouble, and the dish system of stopping cannot realize automatically throwing Enter work, the not enough problem of security of system.
It is a further object of the present invention to provide a kind of boring winch self-actuating brake guard method based on speed comparison.
The technical solution used in the present invention is, a kind of boring winch automatic braking protective device based on speed comparison, bag Including mair motor, mair motor is in transmission connection by the electronic selector of the first shaft coupling and reduction box, and the electronic selector of reduction box passes through Second shaft coupling is connected with drum drive, and cylinder two ends are provided with Pan Sha mechanism, and each Pan Sha mechanism all stops with dish liquid gas control Valve group processed connects;The electronic selector of reduction box bores clutch also by electric feeding and is connected with automatic bit feed motor-driven;At main electricity Machine shaft end is provided with mair motor encoder, is provided with cylinder encoder at cylinder axle head, is provided with at automatic bit feed motor shaft end Automatic bit feed encoder, mair motor encoder, cylinder encoder, automatic bit feed encoder all input with the signal of PLC End connects, and a signal output part of PLC is connected with driller's operating display, and another signal of PLC is defeated Go out end with dish stop hydraulic-pneumatic control valve group control be connected.
Another technical scheme that the present invention uses is, including two kinds of control modes:
The first, a kind of boring winch self-actuating brake guard method based on speed comparison, utilize above-mentioned based on speed The boring winch automatic braking protective device of comparison, implements according to following steps:
Mair motor works, and when the electronic selector of reduction box is operated in location A, is low or first gear, and speed reducing ratio is iLow;Work as deceleration It when the electronic selector of case is operated in B location, is neutral;It when the electronic selector of reduction box is operated in location of C, is top gear, subtracts Speed ratio is iHigh,
Concrete control process is:
Mair motor encoder detects rotary speed n of current mair motor in real timeMair motorIt is supplied to PLC;Cylinder is compiled Code device detects actual rotation speed n of current winch drum in real timeCylinder is actualIt is supplied to PLC;Meanwhile, PLC will be taken charge of Brill personnel carry out record by the gear control command that driller's operating display sends, when gear is hung over neutral by driller, then PLC sends control command immediately and stops hydraulic-pneumatic control valve group to dish, thus controls Pan Sha mechanism and brake immediately;When driller will When gear hangs over low or first gear, then PLC calculates theoretical rotary speed n of cylinder immediatelyCylinder is theoretical=nMair motor (7)÷iLow, enter immediately Line speed comparison, i.e. works as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC sends control command immediately and stops hydraulic-pneumatic control valve to dish Group, thus control Pan Sha mechanism and brake immediately;When gear is hung over top gear gear by driller, then PLC calculates rolling immediately Theoretical rotary speed n of cylinderCylinder is theoretical=nMair motor (7)÷iHigh, enter line speed comparison immediately, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC Controller sends control command immediately and stops hydraulic-pneumatic control valve group to dish, thus controls Pan Sha mechanism and brake immediately;Stop at execution dish While braking commands, the automatic alert of PLC is to driller's operating display;When above-mentioned condition is unsatisfactory for, PLC does not send control command and stops hydraulic-pneumatic control valve group to dish, and Pan Sha mechanism does not brakes.
The second, a kind of boring winch self-actuating brake guard method based on speed comparison, utilize above-mentioned based on speed The boring winch automatic braking protective device of comparison, implements according to following steps:
Automatic bit feed electrical machine working mode, when electric feeding brill clutch is operated in D position, automatic bit feed motor and deceleration The electronic selector of case departs from;When electric feeding brill clutch is operated in E position, automatic bit feed motor and the electronic selector of reduction box Hanging and closing, automatic bit feed motor is with speed reducing ratio iSend brillRotating speed is delivered on the cylinder of winch,
Concrete control process is:
Automatic bit feed encoder detects rotary speed n of current automatic bit feed motor in real timeSend brill motorIt is supplied to PLC control Device, cylinder encoder detects actual rotation speed n of current roller in real timeCylinder is actualBeing supplied to PLC, meanwhile, PLC controls Driller personnel are carried out record by the brill motor extension conjunction control command of sending that driller's operating display sends by device;When driller is by gear When hanging over disengaging neutral position, i.e. electric feeding brill clutch is when D position, and automatic bit feed motor takes off with the electronic selector of reduction box From then PLC sends control command immediately and stops hydraulic-pneumatic control valve group to dish, thus controls Pan Sha mechanism and brake immediately;When Electric feeding brill clutch is hung when closing by driller with the electronic selector of reduction box, then PLC calculates the theoretical rotation of cylinder immediately Speed nCylinder is theoretical=nSend brill motor÷iSend brill, enter line speed comparison immediately, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC is immediately Send control command to stop hydraulic-pneumatic control valve group to dish, thus control Pan Sha mechanism and brake immediately;Stop braking commands at execution dish Meanwhile, the automatic alert of PLC is to driller's operating display;When above-mentioned condition is unsatisfactory for, PLC is not Sending control command to stop hydraulic-pneumatic control valve group to dish, Pan Sha mechanism does not brakes.
The invention has the beneficial effects as follows, work as mair motor gearshift with tradition or automatic bit feed is hung conjunction mechanism-trouble and needed manually Control brake system is compared, and 1) " de-for what shifter fault under mair motor mode of operation or winch running occurred Shelves " accident, the dish system of stopping can automatically engage work, is greatly improved the security of system.2) for automatic bit feed motor Working mould Hanging under formula and closing " clutch separation " accident occurring in mechanism-trouble or running, the dish system of stopping can automatically engage work, greatly The big security improving system.
Brief description
Fig. 1 is structure and the control principle schematic diagram of the present invention;
Fig. 2 is workflow schematic diagram under mair motor mode of operation for the inventive method;
Fig. 3 is workflow schematic diagram under automatic bit feed electrical machine working mode for the inventive method.
In figure, 1. mair motor encoder, 2. cylinder encoder, 3. dish is stopped hydraulic-pneumatic control valve group, 4. automatic bit feed encoder, 5.PLC controller, 6. driller's operating display, 7. mair motor, 8. automatic bit feed motor, 9. cylinder, the 10. electronic gearshift of reduction box Device, 11. electric feedings bore clutch.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
With reference to Fig. 1, the structure of many spotting hoists transmission mechanism that the inventive method is used is, including mair motor 7, mair motor 7 are in transmission connection by the electronic selector of the first shaft coupling and reduction box 10, and the electronic selector of reduction box 10 passes through the second shaft coupling Being in transmission connection with cylinder 9, cylinder 9 two ends are provided with Pan Sha mechanism, and hydraulic-pneumatic control valve group 3 is all stopped even with dish by each Pan Sha mechanism Logical;The electronic selector of reduction box 10 bores clutch 11 also by electric feeding and is in transmission connection with automatic bit feed motor 8;At mair motor 7 Axle head is provided with mair motor encoder 1, is provided with cylinder encoder 2 at cylinder 9 axle head, installs at automatic bit feed motor 8 axle head There is automatic bit feed encoder 4, mair motor encoder the 1st, cylinder encoder the 2nd, the letter all with PLC 5 for the automatic bit feed encoder 4 Number input connects, and a signal output part of PLC 5 is connected with driller's operating display 6, another of PLC 5 Hydraulic-pneumatic control valve group 3 control of stopping of individual signal output part and dish is connected.
PLC 5 is not required to individually be equipped with, and can share with the PLC in conventional drill, only by the above-mentioned preset control of method Program.
In above-mentioned many spotting hoists transmission mechanism, by reduction box electronic selector 10 by motor when mair motor 7 works Output speed is delivered on the cylinder 9 of winch with different speed reducing ratio, wherein when the electronic selector of reduction box 10 is operated in location A When, it is low or first gear, speed reducing ratio is iLow;It when the electronic selector of reduction box 10 is operated in B location, is neutral, mair motor 7 power output Square cannot be delivered on cylinder 9, it is achieved the disengaging with cylinder 9;When the electronic selector of reduction box 10 is operated in location of C, for height Speed shelves, speed reducing ratio is iHigh;In the winch being furnished with automatic bit feed motor, when automatic bit feed motor 8 works, now mair motor 7 Do not work, bore the extension conjunction of clutch 11 by electric feeding or separation realizes between automatic bit feed motor 8 output speed and cylinder 9 Transmission or disengaging, wherein when electric feeding brill clutch 11 is operated in D position, automatic bit feed motor 8 and the electronic gearshift of reduction box Device 10 departs from, and the moment of automatic bit feed motor 8 cannot be delivered on cylinder 9, it is achieved the disengaging with cylinder 9;When electric feeding bore from When clutch 11 is operated in E position, automatic bit feed motor 8 is hung with reduction box electronic selector 10 and is closed, and automatic bit feed motor 8 is to slow down Compare iSend brillRotating speed is delivered on the cylinder 9 of winch.
The method of the present invention, utilizes mair motor encoder 1 to detect that the rotary speed of current mair motor 7 is supplied to PLC control Device 5 processed, cylinder 9 actual rotation speed utilizing cylinder encoder 2 to detect current winch is supplied to PLC 5, utilizes automatically Sending brill encoder 4 to detect current automatic bit feed motor 8 actual rotation speed and being supplied to PLC 5, PLC 5 is according to behaviour Go out motor type and the reduction box gear thereof of currently practical work as command recognition, mair motor 7 is rotated by PLC 5 simultaneously Speed or automatic bit feed motor 8 rotary speed calculate the drum rotation speed of theory by software program.Under normal circumstances, this theory The current roller that obtains of drum rotation speed and cylinder encoder 2 detection actual rotate fast basically identical, when equipment breaks down The two rotating speed difference is relatively big, and now PLC 5 automatically sends control instruction and stops hydraulic-pneumatic control valve group 3 to dish, thus control dish Mechanism of stopping realizes self-actuating brake;The automatic alert of PLC 5 is to driller's operating display 6 simultaneously, reminds operator Member keeps in repair.
The course of work of the inventive method is,
1) winch is operated in mair motor 7 operational mode:
As in figure 2 it is shown, the mair motor encoder 1 being arranged on winch mair motor 7 non-transmision end output shaft detects in real time and works as Rotary speed n of front mair motor 7Mair motorIt is supplied to PLC 5;The cylinder encoder 2 being arranged on the cylinder 9 of winch is real-time Detect actual rotation speed n of current winch drumCylinder is actualIt is supplied to PLC 5;Meanwhile, PLC 5 is by driller personnel Carry out record by the gear control command that driller's operating display 6 sends, when gear is hung over neutral by driller, then PLC control Device 5 processed sends control command immediately and stops hydraulic-pneumatic control valve group 3 to dish, thus controls Pan Sha mechanism and brake immediately;When driller is by shelves When position hangs over low or first gear, then PLC 5 calculates theoretical rotary speed n of cylinder immediatelyCylinder is theoretical=nMair motor 7÷iLow, carry out immediately Speed comparison, i.e. works as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, (△AllowRequirement according to control accuracy can be carried out in PLC 5 Presetting, the more little then brake system of this numerical value is sensitiveer), PLC 5 sends control command immediately and stops hydraulic-pneumatic control to dish Valve group 3, thus control Pan Sha mechanism and brake immediately;When gear is hung over top gear gear by driller, then PLC 5 is counted immediately Calculate theoretical rotary speed n of cylinderCylinder is theoretical=nMair motor 7÷iHigh, enter line speed comparison immediately, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC 5 sends control command immediately and stops hydraulic-pneumatic control valve group 3 to dish, thus controls Pan Sha mechanism and brake immediately;Performing Dish stop braking commands while, the automatic alert of PLC 5 to driller's operating display 6, reminds operating personnel couple Reduction box gear mechanism carries out maintenance overhaul;When above-mentioned condition is unsatisfactory for, PLC 5 does not send control command and stops to dish Hydraulic-pneumatic control valve group 3, Pan Sha mechanism does not brakes.
In addition, for the rig drawworks system of multiple mair motor 7 and multiple reduction box thereof, the inventive method is equally applicable. Detailed process is: PLC 5 determines current input according to operation note in driller's operating display 6 for the driller personnel The mair motor 7 of work and front deceleration gear box, realize based on the winch under speed comparison pattern also according to said process Automatic brake functions.
2) winch is operated in the operational mode of automatic bit feed motor 8:
As it is shown on figure 3, the automatic bit feed encoder 4 being arranged on automatic bit feed motor 8 non-transmision end output shaft detects in real time Go out rotary speed n of current automatic bit feed motor 8Send brill motorBeing supplied to PLC 5, cylinder encoder 2 detects current rolling in real time Actual rotation speed n of cylinder 9Cylinder is actualBeing supplied to PLC 5, meanwhile, driller personnel are operated by PLC 5 by driller What display screen 6 sent send brill motor extension conjunction control command to carry out record.When gear is hung over disengaging neutral position by driller, i.e. electronic Sending brill clutch 11 when D position, electronic selector 10 departs from automatic bit feed motor 8 with reduction box, then PLC 5 is immediately Send control command to stop hydraulic-pneumatic control valve group 3 to dish, thus control Pan Sha mechanism and brake immediately;When electric feeding is bored clutch by driller Device 11 and reduction box electronic selector 10 are hung when closing, then PLC 5 calculates theoretical rotary speed n of cylinder 9 immediatelyCylinder is theoretical= nSend brill motor÷iSend brill, enter line speed comparison immediately, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC 5 sends control life immediately Order is stopped hydraulic-pneumatic control valve group 3 to dish, thus controls Pan Sha mechanism and brake immediately;While braking commands stopped by execution dish, PLC is controlled The automatic alert of device 5 processed to driller's operating display 6, remind operating personnel to reduction box electronic selector 10 tie up Repair inspection;When above-mentioned condition is unsatisfactory for, PLC 5 does not send control command and stops hydraulic-pneumatic control valve group 3 to dish, and dish is stopped machine Structure does not brakes.

Claims (3)

1. the boring winch automatic braking protective device based on speed comparison, it is characterised in that: include mair motor (7), main By the first shaft coupling, electronic selector (10) is in transmission connection motor (7) with reduction box, and the electronic selector of reduction box (10) passes through Second shaft coupling is in transmission connection with cylinder (9), and cylinder (9) two ends are provided with Pan Sha mechanism, and each Pan Sha mechanism all stops with dish Hydraulic-pneumatic control valve group (3) connects;The electronic selector of reduction box (10) bores clutch (11) and automatic bit feed electricity also by electric feeding Machine (8) is in transmission connection;At mair motor (7) axle head, mair motor encoder (1) is installed, at cylinder (9) axle head, cylinder is installed and compiles Code device (2), is provided with automatic bit feed encoder (4), mair motor encoder (1), cylinder coding at automatic bit feed motor (8) axle head Device (2), automatic bit feed encoder (4) are all connected with the signal input part of PLC (5), a letter of PLC (5) Number output is connected with driller's operating display (6), and another signal output part of PLC (5) and dish are stopped hydraulic-pneumatic control Valve group (3) control connects.
2. the boring winch self-actuating brake guard method based on speed comparison, it is characterised in that utilize described in claim 1 The boring winch automatic braking protective device based on speed comparison, according to following steps implement:
Mair motor (7) mode of operation
When the electronic selector of reduction box (10) is operated in location A, being low or first gear, speed reducing ratio is iLow;When the electronic gearshift of reduction box It when device (10) is operated in B location, is neutral;It when the electronic selector of reduction box (10) is operated in location of C, is top gear, slows down Ratio is iHigh,
Concrete control process is:
Mair motor encoder (1) detects rotary speed n of current mair motor (7) in real timeMair motorIt is supplied to PLC (5);Rolling Actual rotation speed n of cylinder encoder (2) the current winch drum of detection in real timeCylinder is actualIt is supplied to PLC (5);Meanwhile, PLC Driller personnel are carried out record by the gear control command that driller's operating display (6) sends by controller (5), when driller is by shelves Position is when hanging over neutral, then PLC (5) sends control command immediately and stops hydraulic-pneumatic control valve group (3) to dish, thus control dish is stopped Mechanism brakes immediately;When gear is hung over low or first gear by driller, then PLC (5) calculates the theoretical rotary speed of cylinder immediately nCylinder is theoretical=nMair motor (7)÷iLow, enter line speed comparison immediately, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC (5) is sent out immediately Send control command to stop hydraulic-pneumatic control valve group (3) to dish, thus control Pan Sha mechanism and brake immediately;When gear is hung at a high speed by driller During shelves gear, then PLC (5) calculates theoretical rotary speed n of cylinder immediatelyCylinder is theoretical=nMair motor (7)÷iHigh, enter line speed ratio immediately Right, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC (5) sends control command immediately and stops hydraulic-pneumatic control valve group (3) to dish, Thus control Pan Sha mechanism and brake immediately;While braking commands stopped by execution dish, PLC (5) sends alarm signal automatically Breath is to driller's operating display (6);When above-mentioned condition is unsatisfactory for, PLC (5) does not send control command and stops liquid gas to dish Control valve group (3), Pan Sha mechanism does not brakes.
3. the boring winch self-actuating brake guard method based on speed comparison, it is characterised in that utilize described in claim 1 The boring winch automatic braking protective device based on speed comparison, according to following steps implement:
Automatic bit feed motor (8) mode of operation
When electric feeding brill clutch (11) is operated in D position, automatic bit feed motor (8) takes off with the electronic selector of reduction box (10) From;When electric feeding brill clutch (11) is operated in E position, automatic bit feed motor (8) is hung with the electronic selector of reduction box (10) Closing, automatic bit feed motor (8) is with speed reducing ratio iSend brillRotating speed is delivered on the cylinder (9) of winch,
Concrete control process is:
Automatic bit feed encoder (4) detects rotary speed n of current automatic bit feed motor (8) in real timeSend brill motorIt is supplied to PLC control Device processed (5), cylinder encoder (2) detects actual rotation speed n of current roller (9) in real timeCylinder is actualIt is supplied to PLC (5), meanwhile, driller personnel are hung conjunction control life by the brill motor that send that driller's operating display (6) sends by PLC (5) Order carries out record;When gear is hung over disengaging neutral position by driller, i.e. electric feeding brill clutch (11) is when D position, automatically send Bore motor (8) to depart from the electronic selector of reduction box (10), then PLC (5) sends control command immediately and stops liquid gas to dish Control valve group (3), thus control Pan Sha mechanism and brake immediately;When electric feeding is bored by driller, clutch (11) is electronic with reduction box to be changed Lug-latch (10) is hung when closing, then PLC (5) calculates theoretical rotary speed n of cylinder (9) immediatelyCylinder is theoretical=nSend brill motor÷iSend brill, with I.e. enter line speed comparison, i.e. work as nCylinder is actual-nCylinder is theoretical≥△AllowWhen, PLC (5) sends control command immediately and stops liquid gas to dish Control valve group (3), thus control Pan Sha mechanism and brake immediately;While braking commands stopped by execution dish, PLC (5) is certainly Dynamic alert is to driller's operating display (6);When above-mentioned condition is unsatisfactory for, PLC (5) does not send control life Order is stopped hydraulic-pneumatic control valve group (3) to dish, and Pan Sha mechanism does not brakes.
CN201610428521.6A 2016-06-16 2016-06-16 Based on speed than to boring winch automatic braking protective device and method Active CN106081970B (en)

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CN106081970B CN106081970B (en) 2018-03-23

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Publication number Priority date Publication date Assignee Title
CN106429921A (en) * 2016-12-02 2017-02-22 兰州兰石石油装备工程股份有限公司 Five-shaft gear transmission winch of oil drilling machine
CN110203840A (en) * 2019-05-21 2019-09-06 宝鸡石油机械有限责任公司 The boring winch brake gear and its control method that disc brake and motor hovering blend
CN111559713A (en) * 2019-12-24 2020-08-21 中国航空工业集团公司北京航空精密机械研究所 Hoisting system
CN112177518A (en) * 2020-09-29 2021-01-05 中油国家油气钻井装备工程技术研究中心有限公司 Linkage control method for drilling drive motor host and cooling fan

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CN104612654A (en) * 2013-11-03 2015-05-13 西安扩力机电科技有限公司 Solar energy powered coal mine drilling machine control system

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Publication number Priority date Publication date Assignee Title
CN106429921A (en) * 2016-12-02 2017-02-22 兰州兰石石油装备工程股份有限公司 Five-shaft gear transmission winch of oil drilling machine
CN110203840A (en) * 2019-05-21 2019-09-06 宝鸡石油机械有限责任公司 The boring winch brake gear and its control method that disc brake and motor hovering blend
CN110203840B (en) * 2019-05-21 2020-09-22 宝鸡石油机械有限责任公司 Drilling machine winch brake device with disc brake and motor hovering integrated and control method thereof
CN111559713A (en) * 2019-12-24 2020-08-21 中国航空工业集团公司北京航空精密机械研究所 Hoisting system
CN112177518A (en) * 2020-09-29 2021-01-05 中油国家油气钻井装备工程技术研究中心有限公司 Linkage control method for drilling drive motor host and cooling fan

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CN106081970B (en) 2018-03-23

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Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2

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Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd

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