CN205953386U - Dig rig hoist actuating system soon - Google Patents

Dig rig hoist actuating system soon Download PDF

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Publication number
CN205953386U
CN205953386U CN201620991503.4U CN201620991503U CN205953386U CN 205953386 U CN205953386 U CN 205953386U CN 201620991503 U CN201620991503 U CN 201620991503U CN 205953386 U CN205953386 U CN 205953386U
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CN
China
Prior art keywords
motor
valve
oil circuit
hoist
hoist motor
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Active
Application number
CN201620991503.4U
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Chinese (zh)
Inventor
罗瑶
黄海凌
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.)
Hunan faryi Intelligent Equipment Co.,Ltd.
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Hunan Square Heavy Industry Technology Co Ltd
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Priority to CN201620991503.4U priority Critical patent/CN205953386U/en
Application granted granted Critical
Publication of CN205953386U publication Critical patent/CN205953386U/en
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Abstract

The utility model discloses a dig rig hoist actuating system soon in engineering construction technology field, including the hydraulic pump, the hydraulic pump is connected with overflow valve and hoist motor directional control valve respectively through the oil circuit pipeline, hoist motor directional control valve is connected with motor promotion oil circuit passageway respectively through the oil circuit pipeline and the oil circuit passageway is transferred to the motor, the motor promotes the oil circuit passageway and is connected with the balanced valve through oil circuit pipeline and check valve, the motor promotes the oil circuit passageway and is connected with the cushion valve respectively through the oil circuit pipeline, energy storage ware and hoist motor, this kind of dig rig hoist actuating system soon, set up the energy storage ware on the hoist motor promotes the drive passageway through the oil circuit pipeline, the two -stage buffer protection of cushion valve and energy storage ware when forming the hoist promotion, can effective reduction dig rig winding plant during operation soon, especially take the pole, hydraulic shock when pounding the pole is to the impact of hoist motor and reduction gear, the service life of the winding plant is prolonged.

Description

A kind of winding of rotary drilling rig drive system
Technical field
This utility model is related to Construction Technology field, specially a kind of winding of rotary drilling rig drive system.
Background technology
Rotary drilling rig is a kind of efficient pore-forming equipment of widely used heavy caliber in foundation construction of full hydraulic drive, its Hydraulic system is passed through, using advanced hydraulic technique, to control including inverted flux control technology, power shifting control technology, semidecussation Technology and load sensing control technique constant power regulative mode, greatly improve load circuit to the adaptability of actual loading and right The power utilization of electromotor.Adopt pilot control technology, electro-hydraulic proportional control technology simultaneously, make rig operations comfort and convenient. In work progress, drilling rod is by hoisting and decentralization to rotary drilling rig, and drilling rod is more piece, one saves from outside to inside during decentralization One section stretches out, and outer pole discharges time acromere, and the drilling rod joint number that Kong Yueshen is put is more, and lifting is then contrary with decentralization.In lifting process In, when interior pole with time in pole engages when, due to the change loading, hydraulic shock can be formed, lift speed and rush sooner Hit bigger, load change more large impact is bigger.And when being constructed using machine locking bar, first just can carry to after drilling rod unblock Rise, unblock not exclusively will form rod failure, after rod failure, lock point is untied suddenly to be formed again and pounded bar, the hydraulic shock of this when Then even more serious.Existing winding of rotary drilling rig drive system generally comprises overflow valve, pump, hoist motor directional control valve, balance Valve, trimmer valve and hoist motor, are first-level buffer system.The pressure release by trimmer valve for the hydraulic shock being formed during its work, that is, When surge is higher than the pressure that trimmer valve sets, trimmer valve is opened, and so that system pressure is tried one's best and maintains in allowed limits, right Hoist motor and pipeline shield.But because trimmer valve is to need certain response time from cutting out standard-sized sheet, work as hydraulic pressure When the impact formation time is shorter than trimmer valve response time, trimmer valve has little time to open at all, or has little time to fully open, at this time Surge acts on hoist motor and pipeline completely, and impact then damages hoist motor or pipeline when larger, therefore needs Existing winding of rotary drilling rig drive system is further improved.
Utility model content
The purpose of this utility model is to provide a kind of rotary digging arcane truth elevator drive system, to solve in above-mentioned background technology Propose when hydraulic shock forms the time and is shorter than trimmer valve response time, the asking of destruction of hoist motor and pipeline can be caused Topic.
For achieving the above object, this utility model provides following technical scheme:A kind of winding of rotary drilling rig drive system, bag Include hydraulic pump, described hydraulic pump is connected to overflow valve and hoist motor directional control valve, described elevator by oil line pipe Motor direction control valve is connected to motor by oil line pipe and lifts asphalt channel and motor decentralization asphalt channel, described horse Reach lifting asphalt channel and balanced valve is connected with by oil line pipe and check valve, described motor lifting asphalt channel passes through oil-way pipe Road is connected to trimmer valve, accumulator and hoist motor, and described motor decentralization asphalt channel passes through oil line pipe and check valve It is connected with balanced valve, described motor decentralization asphalt channel is connected with trimmer valve and hoist motor by oil line pipe.
Preferably, described accumulator is piston accumulator.
Preferably, described trimmer valve is direct-acting overflow valve.
Preferably, the outfan of described hoist motor is connected with decelerator.
Compared with prior art, the beneficial effects of the utility model are:This kind of winding of rotary drilling rig drive system, by oil Accumulator is arranged on hoist motor lifting and drives on passage by road pipeline, the two-stage of trimmer valve and accumulator when forming hoisting Buffer protection, when can effectively reduce the work of winding of rotary drilling rig device, particularly rod failure, pound hydraulic shock during bar to elevator horse Reach and decelerator impact, improve the service life of winding plant.
Brief description
Fig. 1 is this utility model systematic schematic diagram;
Fig. 2 is systematic schematic diagram before this utility model improvement.
In figure:1 hydraulic pump, 2 overflow valves, 3 hoist motor directional control valves, 4 motor lifting asphalt channels, 5 motor decentralizations Asphalt channel, 6 balanced valves, 7 trimmer valves, 8 accumulators, 9 hoist motors.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-2, this utility model provides a kind of technical scheme:A kind of winding of rotary drilling rig drive system, including Hydraulic pump 1, described hydraulic pump 1 is connected to overflow valve 2 and hoist motor directional control valve 3, described volume by oil line pipe Raise motor direction control valve 3 and motor lifting asphalt channel 4 and motor decentralization asphalt channel 5 be connected to by oil line pipe, Described motor lifting asphalt channel 4 is connected with balanced valve 6 by oil line pipe and check valve, and described motor lifts asphalt channel 4 Trimmer valve 7, accumulator 8 and hoist motor 9 are connected to by oil line pipe, described motor decentralization asphalt channel 5 passes through oil Road pipeline and check valve are connected with balanced valve 6, and described motor decentralization asphalt channel 5 is connected with trimmer valve 7 He by oil line pipe Hoist motor 9.
Wherein, described accumulator 8 is piston accumulator, and described trimmer valve 7 is direct-acting overflow valve, described hoist motor 9 outfan is connected with decelerator, and decelerator can reduce the rotating speed of hoist motor 9, and the output simultaneously improving hoist motor 9 is turned round Square.
Operation principle:When winding of rotary drilling rig is lifted, system need to drive hoist motor 9 output torque, at this moment hydraulic pump 1 Start fuel feeding, and pass through pilot operated, hoist motor directional control valve 3 is operated in left position, motor lifts asphalt channel 4 oil-feed, Motor transfers asphalt channel 5 oil return, motor operations oil communication, drives hoist motor 9 to rotate, thus driving hoisting, overflows Stream valve 2 sets the maximum working pressure (MWP) of performance loop, therefore, during lifting, defines one between hydraulic pump 1 and hoist motor 9 Individual Dynamic Closed cavity volume, the interface of Dynamic Closed cavity volume is by hydraulic pump 1, hoist motor 9, accumulator 8 working chamber, overflow valve 2, volume Raise motor direction control valve 3, balanced valve 6, the valve port of trimmer valve 7, and pipeline wall composition, when hoisting, in buffering In valve 7 buffering response time, hydraulic shock pressure is directly proportional to inflow and outflow Dynamic Closed cavity volume flow quantity, holds with Dynamic Closed The volume in chamber is inversely proportional to.Due to the presence of accumulator 8, the variable volume of Dynamic Closed cavity volume, when hydraulic shock is formed, dynamically The volume of closing cavity volume can increase with the increase of the working chamber of accumulator 8, therefore, can effectively reduce surge, to volume Raise motor 9 and pipeline shields.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of winding of rotary drilling rig drive system, including hydraulic pump (1) it is characterised in that:Described hydraulic pump (1) passes through oil circuit Pipeline is connected to overflow valve (2) and hoist motor directional control valve (3), and described hoist motor directional control valve (3) is passed through Oil line pipe is connected to motor lifting asphalt channel (4) and motor decentralization asphalt channel (5), and described motor lifting oil circuit leads to Road (4) is connected with balanced valve (6) by oil line pipe and check valve, and described motor lifting asphalt channel (4) passes through oil line pipe It is connected to trimmer valve (7), accumulator (8) and hoist motor (9), described motor decentralization asphalt channel (5) passes through oil-way pipe Road and check valve are connected with balanced valve (6), and described motor decentralization asphalt channel (5) is connected with trimmer valve (7) by oil line pipe With hoist motor (9).
2. a kind of winding of rotary drilling rig drive system according to claim 1 it is characterised in that:Described accumulator (8) is Piston accumulator.
3. a kind of winding of rotary drilling rig drive system according to claim 1 it is characterised in that:Described trimmer valve (7) is Direct-acting overflow valve.
4. a kind of winding of rotary drilling rig drive system according to claim 1 it is characterised in that:Described hoist motor (9) Outfan be connected with decelerator.
CN201620991503.4U 2016-08-24 2016-08-24 Dig rig hoist actuating system soon Active CN205953386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620991503.4U CN205953386U (en) 2016-08-24 2016-08-24 Dig rig hoist actuating system soon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620991503.4U CN205953386U (en) 2016-08-24 2016-08-24 Dig rig hoist actuating system soon

Publications (1)

Publication Number Publication Date
CN205953386U true CN205953386U (en) 2017-02-15

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Application Number Title Priority Date Filing Date
CN201620991503.4U Active CN205953386U (en) 2016-08-24 2016-08-24 Dig rig hoist actuating system soon

Country Status (1)

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CN (1) CN205953386U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111577715A (en) * 2020-05-31 2020-08-25 北京三一智造科技有限公司 Winch tension control device, rotary drilling rig and winch tension control method
CN112503036A (en) * 2020-12-04 2021-03-16 中国煤炭科工集团太原研究院有限公司 Coil cable buffer device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111577715A (en) * 2020-05-31 2020-08-25 北京三一智造科技有限公司 Winch tension control device, rotary drilling rig and winch tension control method
CN112503036A (en) * 2020-12-04 2021-03-16 中国煤炭科工集团太原研究院有限公司 Coil cable buffer device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 410600 Jinshui East Road, Jinzhou new district, Ningxiang, Changsha, Hunan

Patentee after: Hunan faryi Intelligent Equipment Co.,Ltd.

Address before: 410001 Jinshui East Road, Jinzhou new district, Ningxiang County, Hunan, Changsha

Patentee before: HUNAN FAE HEAVY INDUSTRIES Co.,Ltd.