CN206014304U - The disc brake automatic control system of flexible brake - Google Patents

The disc brake automatic control system of flexible brake Download PDF

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Publication number
CN206014304U
CN206014304U CN201621008527.XU CN201621008527U CN206014304U CN 206014304 U CN206014304 U CN 206014304U CN 201621008527 U CN201621008527 U CN 201621008527U CN 206014304 U CN206014304 U CN 206014304U
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CN
China
Prior art keywords
control valve
hydraulic control
electric hydraulic
brake
plc
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.)
Active
Application number
CN201621008527.XU
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Chinese (zh)
Inventor
陆俊康
廖丽华
张虎山
李亚辉
廖恒伟
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.)
China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
Original Assignee
Baoji Oilfield Machinery Co Ltd
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Priority to CN201621008527.XU priority Critical patent/CN206014304U/en
Application granted granted Critical
Publication of CN206014304U publication Critical patent/CN206014304U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of disc brake automatic control system of flexible brake, Hydraulic Station is connected with the hydraulic pressure inlet and outlet connectors of electric hydraulic control valve one, electric hydraulic control valve two, electric hydraulic control valve three, electro-hydraulic proportional valve four and electric hydraulic control valve five respectively, electric hydraulic control valve one and electro-hydraulic proportional valve four simultaneously with two groups of automatic clipper joints;Electric hydraulic control valve five and two groups of work clipper joints;Electric hydraulic control valve two and electric hydraulic control valve three and four groups of safe clipper joints;One signal output part of PLC is connected with the coil of electro-hydraulic proportional valve four;PLC another outfan output 24V power supplys, 24V power supplys successively with the switch D and rapid stop key A serial connections of other brake signals;The rapid stop key A other ends are divided into four tunnels;Another signal input part of PLC is same to be connected to multiple safety signals.Device of the present utility model, improves brake stability and safety.

Description

The disc brake automatic control system of flexible brake
Technical field
This utility model belongs to technical field of petroleum machinery, is related to a kind of disc brake automatic control system of flexible brake.
Background technology
Supporting winch hydraulic disc brake on oil-well rig mainly has two kinds of control models of hydraulic control liquid and electric gas/liquid pressure, both Manually operated by handle.Work brake is that driller is easy to wrench come operation handle by driller according to velocity estimated Brake lever causes to brake unstable, has a strong impact on working performance;Safety shut-down is enforceable emergency brake, and its brake speed is fast, Impact is very big.In drilling process, hydraulic disc brake due to protection brake or operates brake very frequently, and substantial amounts of rapidly brake can be to swimming Crane system and drilling line are damaged.
The current supporting dynamic braking auxiliary brake system of AC frequency variated rig is when high-speed cruising is hung in trip during slowing-down brake Between oversize, driller personnel can not be controlled well to winch speed.With the raising of drilling automation degree, it is badly in need of design a kind of Intelligent flexible brake system, provides good operating experience and safety guarantee for driller.
Utility model content
The purpose of this utility model is to provide a kind of disc brake automatic control system of flexible brake, solves in prior art Braked using mechanical handle or electric control handle, cause brake impact big, easily suppress power failure machine and damage the problem of steel wire rope.
The technical scheme adopted by this utility model is that a kind of disc brake automatic control system of flexible brake, including hydraulic pressure Stand and PLC, Hydraulic Station respectively with electric hydraulic control valve one, electric hydraulic control valve two, electric hydraulic control valve three, electro-hydraulic proportional valve four Connect with the hydraulic pressure inlet and outlet connectors of electric hydraulic control valve five, wherein the high-pressure outlet of electric hydraulic control valve one and electro-hydraulic proportional valve four is simultaneously It is connected with two groups of automatic pincers controls;The high-pressure outlet of electric hydraulic control valve five is connected with two groups of working clamp controls;Electric hydraulic control valve two It is connected with four groups of safety tongs controls with the high-pressure outlet of electric hydraulic control valve three simultaneously;
One signal output part of PLC is directly connected with the coil control of electro-hydraulic proportional valve four;PLC is another One outfan exports 24V power supplys, and 24V power supplys are connected in series with other brake signals switch D and rapid stop key A successively;Rapid stop key A The other end is divided into four tunnels, and the first via is connected with the coil of electric hydraulic control valve one, and the second tunnel is connected with the coil of electric hydraulic control valve three, 3rd tunnel is connected with the coil of electro-hydraulic proportional valve four by parking key B, and the 4th road Negotiation speed handle enables key C and electrichydraulic control The coil connection of valve five;
Another signal input part of PLC is simultaneously connected with the brake pressure of the brake pressure of safety tongs, automatic pincers The low oil level signal of power, the system pressure of Hydraulic Station and Hydraulic Station, high oil temperature signal.
The disc brake automatic control system of flexible brake of the present utility model, is further characterized in that:
Speed handle enables key C and is arranged on the winch speed joystick in driller house.
The beneficial effects of the utility model are, including the following aspects:
1) realize disc brake and automatically controlled jointly control, eliminate service braking handle, it is to avoid manually operation causes to rush handle Hit problem that is big, suppressing power failure machine;Reduce driller house space simultaneously, reduce driller's labor intensity, improve working performance.
2) four groups of safety tongs, two groups of working clamps and two groups of automatic pincers, total of four electric hydraulic control valve are adopted to coordinate control System, meets parking braking, Braking mode, the use of brake hard various working.Control system circuit is simple, and failure is easily arranged Remove, safe and reliable.
3) the corresponding electro-hydraulic proportional valve four of two groups of automatic pincers is directly controlled by automatically controlled PLC, carried according to drilling condition and hook etc. Parameter adjust automatically brake pressure and brake frequency.After jerk type A signalling is activated, automatic pincers participate in scram action, and two groups Working clamp together ensures braking safe, improves system reliability.
4) pressure signal of the oil temperature of Hydraulic Station, oil level and braking clamp etc. (P1, P2, P3, P4, P5 ...) is fed back to PLC Controller, PLC select automatic pincers brake or emergency brake according to specific operating mode, improve the reliability of brakes, have Effect property and intelligent level.
5) two groups of automatic pincers are associated with the enable key C of winch speed joystick, when driller is by speed handle back to zero, and When release handle enables key, activation working clamp is braked;When giving speed, after driller's pressing enables key, working clamp is automatically loose Open, driller's operation is more convenient, and control system is relatively reliable.
Description of the drawings
Fig. 1 is structure of the present utility model (operation principle) schematic diagram.
In figure, 1. electric hydraulic control valve one, 2. electric hydraulic control valve two, 3. electric hydraulic control valve three, 4. electro-hydraulic proportional valve four, 5. electricity Hydraulic control valve five, 6. Hydraulic Station, 7.PLC controllers, 8. automatic pincers, 9. working clamp, 10. safety tongs.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
With reference to Fig. 1, structure of the present utility model is, including Hydraulic Station 6 and PLC 7, Hydraulic Station 6 respectively with electro-hydraulic The hydraulic pressure turnover of control valve 1, electric hydraulic control valve 22, electric hydraulic control valve 33, electro-hydraulic proportional valve 44 and electric hydraulic control valve 55 Orifice, the wherein high-pressure outlet of electric hydraulic control valve 1 and electro-hydraulic proportional valve 44 are connected with two groups of controls of automatic pincers 8 simultaneously; The high-pressure outlet of electric hydraulic control valve 55 is connected with two groups of controls of working clamp 9;Electric hydraulic control valve 22 and the height of electric hydraulic control valve 33 Extrude mouth to be connected with four groups of controls of safety tongs 10 simultaneously;
One signal output part of PLC 7 is directly connected with the coil control of electro-hydraulic proportional valve 44;PLC 7 another outfan output 24V power supply, 24V power supplys are connected in series with other brake signals switch D and rapid stop key A successively;Jerk The key A other ends are divided into four tunnels, and the first via is connected with the coil of electric hydraulic control valve 1, the coil of the second tunnel and electric hydraulic control valve 33 Connection, the 3rd tunnel are connected with the coil of electro-hydraulic proportional valve 42 by parking key B, and the 4th road Negotiation speed handle enables key C with electricity The coil connection of hydraulic control valve 55;
Another signal input part of PLC 7 is simultaneously connected with the brake pressure P1 of safety tongs 10, automatic pincers 8 The low oil level signal P4 of brake pressure P2, the system pressure P3 of Hydraulic Station 6 and Hydraulic Station 6, high oil temperature signal P5, Huo Zhegen It is related to safe control signal according to needing to connect other.
Hydraulic Station 6 is used for the power for providing hydraulic braking to whole brake control system.
PLC 7 directly controls electro-hydraulic proportional valve according to parameters such as hook load, hook speed by driving amplifier output signal 44 pressure, provides size adjustable brake torque to two groups of automatic pincers 8.
Speed handle enables key C and is arranged on the winch speed joystick in driller house, and driller is in operation winch speed While, electric hydraulic control valve 55 is moved automatically according to the brake that the feedback data that speed handle enables key C controls two groups of working clamps 9 Make.
Rapid stop key A, parking key B, speed handle enable key C, other brake signals switch D (including anti-collision signal, believe by failure Number, interlocking signal and power-off signal) in the one or more signals triggerings power supply that can all interrupt to corresponding electric hydraulic control valve, enter And control corresponding braking clamp and execute fast braking, it is ensured that brake system system safety.
Operation principle of the present utility model is,
1) PLC 7 directly controls the power on/off and pressure size of electro-hydraulic proportional valve 44, provides to two groups of automatic pincers 8 The adjustable brake torque of size;PLC 7 is according to the drilling parameters such as hook load, hook speed and the weight journey of other brake signals Degree sets the brake pressure of automatic pincers 8 and control working time automatically, realizes the steady safety of brake and rationally controls deceleration time, Improve drillng operation efficiency.
2) when the trip crane system that winch is dragged reaches upper and lower alarm point, or work as driller's speed of operation joystick back to zero When, PLC 7 causes automatic pincers 8 to brake with appropriate pressure assisted deceleration.
3) when driller's speed of operation joystick back to zero and when unclamping winch joystick, speed handle enables key C and disconnects, 55 power-off of electric hydraulic control valve, two groups of working clamps 9 are braked;7 output signal of PLC control simultaneously, two groups of automatic pincers 8 are stopped Car.
4) when driller presses parking key B, 22 power-off of electric hydraulic control valve, electric hydraulic control valve 1 and electric hydraulic control valve 33 Remain powered on, four groups of safety tongs 10 are braked.
5) when driller presses rapid stop key A, electric hydraulic control valve 1, electric hydraulic control valve 22, electric hydraulic control valve 33 and electro-hydraulic 55 power-off simultaneously of control valve, safety tongs 10, working clamp 9 and automatic pincers 8 are braked simultaneously.
6) break down when brake system, when anti-collision signal or other brake signals D triggerings disconnect, electric hydraulic control valve one 1st, electric hydraulic control valve 22,55 power-off simultaneously of electric hydraulic control valve 33 and electric hydraulic control valve, safety tongs 10, working clamp 9 and automatic pincers 8 are braked simultaneously.
7) the brake pressure P1 of safety tongs 10, the brake pressure P2 of automatic pincers 8, Hydraulic Station 6 system pressure P3 signals with And low oil level signal P4, the high oil temperature signal P5 of Hydraulic Station 6 each feed back to PLC 7, by PLC 7 according to each The property of signal selects automatic pincers slowing-down brake or emergency brake.

Claims (2)

1. the disc brake automatic control system that a kind of flexibility is braked, it is characterised in that:Including Hydraulic Station (6) and PLC (7), Hydraulic Station (6) respectively with electric hydraulic control valve one (1), electric hydraulic control valve two (2), electric hydraulic control valve three (3), electro-hydraulic proportional valve four (4) connect with the hydraulic pressure inlet and outlet connectors of electric hydraulic control valve five (5), wherein electric hydraulic control valve one (1) and electro-hydraulic proportional valve four (4) High-pressure outlet is connected with two groups of automatic pincers (8) controls simultaneously;The high-pressure outlet of electric hydraulic control valve five (5) and two groups of working clamps (9) Control connection;The high-pressure outlet of electric hydraulic control valve two (2) and electric hydraulic control valve three (3) is connected with four groups of safety tongs (10) controls simultaneously Connect;
One signal output part of PLC (7) is directly connected with the coil control of electro-hydraulic proportional valve four (4);PLC (7) another outfan output 24V power supply, 24V power supplys are connected in series with other brake signals switch D and rapid stop key A successively;Anxious Stop the key A other ends and be divided into four tunnels, the first via is connected with the coil of electric hydraulic control valve one (1), the second tunnel and electric hydraulic control valve three (3) Coil connection, the 3rd tunnel is connected with the coil of electro-hydraulic proportional valve four (4) by parking key B, and the 4th road Negotiation speed handle makes Energy key C is connected with the coil of electric hydraulic control valve five (5);
Another signal input part of PLC (7) is simultaneously connected with the brake pressure of safety tongs (10), automatic pincers (8) Brake pressure, the low oil level signal of the system pressure of Hydraulic Station (6) and Hydraulic Station (6), high oil temperature signal.
2. the disc brake automatic control system that flexibility according to claim 1 is braked, it is characterised in that:Described speed handle Enable key C to be arranged on the winch speed joystick in driller house.
CN201621008527.XU 2016-08-30 2016-08-30 The disc brake automatic control system of flexible brake Active CN206014304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621008527.XU CN206014304U (en) 2016-08-30 2016-08-30 The disc brake automatic control system of flexible brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621008527.XU CN206014304U (en) 2016-08-30 2016-08-30 The disc brake automatic control system of flexible brake

Publications (1)

Publication Number Publication Date
CN206014304U true CN206014304U (en) 2017-03-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621008527.XU Active CN206014304U (en) 2016-08-30 2016-08-30 The disc brake automatic control system of flexible brake

Country Status (1)

Country Link
CN (1) CN206014304U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170190A (en) * 2020-04-11 2020-05-19 山东科瑞机械制造有限公司 Drilling rig winch disc brake integrated control method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170190A (en) * 2020-04-11 2020-05-19 山东科瑞机械制造有限公司 Drilling rig winch disc brake integrated control method and device
CN111170190B (en) * 2020-04-11 2020-09-01 山东科瑞机械制造有限公司 Drilling rig winch disc brake integrated control method and device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210113

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

Patentee after: Baoji Oilfield Machinery Co.,Ltd.

Patentee after: CHINA NATIONAL PETROLEUM Corp.

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

Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji

Patentee before: Baoji Oilfield Machinery Co.,Ltd.