CN105293218A - Synchronous conveying mechanism for neural cable - Google Patents

Synchronous conveying mechanism for neural cable Download PDF

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Publication number
CN105293218A
CN105293218A CN201510810905.XA CN201510810905A CN105293218A CN 105293218 A CN105293218 A CN 105293218A CN 201510810905 A CN201510810905 A CN 201510810905A CN 105293218 A CN105293218 A CN 105293218A
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CN
China
Prior art keywords
drive wheel
driving wheel
little
neutral cable
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510810905.XA
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Chinese (zh)
Inventor
李志刚
朱晓环
赵俊海
尹汉军
施东春
马岭
张定国
王磊
李欣
何再明
李丽娜
尚宪朝
何宁强
钟朝廷
彭小佳
张美荣
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 Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
702th Research Institute of CSIC
Original Assignee
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
702th Research Institute of CSIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, Offshore Oil Engineering Co Ltd, 702th Research Institute of CSIC filed Critical China National Offshore Oil Corp CNOOC
Priority to CN201510810905.XA priority Critical patent/CN105293218A/en
Publication of CN105293218A publication Critical patent/CN105293218A/en
Pending legal-status Critical Current

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Abstract

A synchronous conveying mechanism for a neural cable comprises a large driving wheel, a small diving wheel arranged opposite to the large driving wheel, and the neural cable penetrating the space between the large driving wheel and the small driving wheel; the small driving wheel is supported by a small driving wheel supporting rocker which is supported by an intermediate shaft; the two sides of the large driving wheel and the small driving wheel are each provided with a hydraulic slave oil cylinder; a large driving wheel shaft and a large driving wheel shaft chain wheel are driven by a hydraulic motor to rotate; through transmission of a first transmission chain and a plurality of idle wheels, the intermediate shaft, a first intermediate shaft chain wheel and a second intermediate shaft chain wheel are driven to rotate in opposite directions; a second transmission chain drives a small driving wheel shaft and a small driving wheel shaft chain wheel to rotate in the same direction; and then due to the fact that the large driving wheel and the small driving wheel make reverse opposite rotation movement, the neutral cable is conveyed to enter and leave a single-person normal pressure diving apparatus meshing device. Pre-tightening force is provided for the synchronous conveying mechanism for the neutral cable through the hydraulic slave oil cylinder, and the neutral cable winding and unwinding stability and reliability of the synchronous conveying mechanism are greatly improved.

Description

The synchronous conveying system of neutral cable
Technical field
The present invention relates to conveying mechanism, particularly relate to the synchronous conveying system that a kind of employing hydraulic slave cylinder for deep-sea telerobot, single normobaric diving harness, space station, deep-sea and underwater moving body provides the neutral cable of predetermincd tension.
Background technology
Single normobaric diving harness (ADS) is the underwater working device of a humanoid.This device road-holding property is good, maneuverability strong, it is advantageous that body is small and exquisite, light, can enter into some specific regions, and can complete the under-water operation of the complexity that some had previously only had diver just can complete.It is undertaken laying/reclaiming by the special equipment that hangs, and it is furnished with photography, video recording equipment and illuminating lamp etc.The pressure of operating water depth can be born in the outside of this submersible, and inside maintains a barometric pressure; Therefore, diver need not stand the process of dive pressurization and decompression of rising.
Existing single normobaric diving harness (ADS) primarily of harness body, in single normobaric diving harness in ocean exploitation cause and submarine rescue field, particularly well received in deepwater field is produced, replace a part of saturation diving operation.
Existing single normobaric diving harness (ADS) forms primarily of harness body, repeater and water surface lowering equipment three parts, wherein, water surface lowering equipment is provided with deck armoured cable releasing winch, it mainly carries repeater folding and unfolding work on the water and under water, meanwhile, there is the function of transmitting power and transmission signal; Repeater is the key device playing single normobaric diving harness transaction capabilities.It the heave having isolated surface mother ship and the impact of swaying harness are set, improve the anti-current ability of harness, and decrease the weight of the electric components in harness as far as possible, reduce the displacement of volume of harness, thus, effectively improve the underwater manoevreability of harness.
In water, neutral cable is that neutral buoyancy between repeater and single normobaric diving harness body is (that is: in water, the gravity that neutral cable is subject to and buoyancy equal and opposite in direction, direction is contrary) connecting cable, power to diving apparatus, and the sound signal of transmission video signal, sonar signal, control signal and diver and water surface communication.Neutral cable is stored in the reel of neutral cable releasing winch, and capstan drum carries out active folding and unfolding and the work of synchronous transport neutral cable by fluid motor-driven, to alleviate the working resistance of single normobaric diving harness in water.
Repeater station is mainly made up of neutral cable draw off gear and synchronous conveying system, single normobaric diving harness (ADS) engage switch, distribution tank, control tank, joint box, hydraulic pump source, underwater luminaire, Underwater Camera and structural framing etc., wherein, repeater station carries single normobaric diving harness (ADS) and lays recovery system by the water surface and hang onto near setting by armoured cable, then, then by neutral cable releasing winch single normobaric diving harness is laid and recovery.
Neutral cable releasing winch is primarily of compositions such as HM Hydraulic Motor, speed reduction gearing, stop mechanism, drum mechanism built, cable sector, synchronous conveying system and frames.The underwater operation state of single normobaric diving harness (ADS), action and underwater operation environment, all passed the signal to by neutral cable and winch in the monitor of water surface centralized control room and monitor.The orderly folding and unfolding of neutral cable is the gordian technique of single normobaric diving harness, and it has important effect for the safety and operation ensureing harness.Therefore, the cable sector of neutral cable and synchronous conveying system are the core components in repeater.Wherein, neutral cable is stored in the reel of neutral cable releasing winch, and winch carries out active cable laying and synchronous defeated cable by fluid motor-driven, to alleviate the working resistance of single normobaric diving harness in water.And the orderly folding and unfolding of neutral cable is the key core technology of single normobaric diving harness, it has important effect for the safety and operation ensureing harness.
At present, state, the inside and outside predetermincd tension provided for neutral cable synchronous conveying system are generally adopt to stretch or Compress Spring mode.But there is following shortcoming in this kind of mode:
(1) according to Hook's law, the pulling force provided at elastic range inner spring or pressure are directly proportional to displacement, when neutral cable diameter changes or need to change neutral cable positive pressure, need to reach required pulling force or pressure by the overhang of regulating spring or displacement, because pulling force now or pressure are changes, instead of constant, therefore, the conveying of this meeting centering cable produces adverse influence;
(2) along with the increase of time, can there is the phenomenons such as creep, plastic deformation and marine corrosion in spring, so, will have influence on stability and the reliability of neutral cable synchronous conveying system, needs regularly to carry out care and maintenance to spring, even upgrades.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming prior art existence, and a kind of synchronous conveying system of neutral cable of improvement is provided, its by hydraulic slave cylinder for neutral cable synchronous conveying system provides predetermincd tension, solve in folding and unfolding process, the problem that neutral cable carrying capacity need remain unchanged; Not only substantially increase stability and the reliability of synchronous conveying system retractable neutral cable; And, reduce the impact of the factors such as neutral cable extruding suffered in transmitting procedure, aging and marine corrosion, greatly reduce care and maintenance work capacity.
The object of the invention is to be realized by following technical scheme:
A synchronous conveying system for neutral cable, is characterized in that: comprising: a large drive wheel is corresponding with large drive wheel arrange a Variable Centre Distance little drive wheel, between large drive wheel and little drive wheel through a neutral cable; Wherein, little drive wheel is bearing in swingable little drive wheel support arm, and this little drive wheel support arm is bearing in again on tween drive shaft; A hydraulic slave cylinder is respectively arranged with at large drive wheel and little drive wheel both sides; And by the large live axle of fluid motor-driven and large live axle sprocket rotation, and pass through the transmission of the first driving chain, several idle pulley, drive tween drive shaft, the first tween drive shaft sprocket wheel and the second tween drive shaft chain crop rotation negative side to rotate; Recycle the second driving chain and drive little live axle and little live axle sprocket wheel rotating in same direction; Then, oppositely transhipment is moved, to carry neutral cable into and out of single normobaric diving harness engage switch by large drive wheel and little driving crop rotation.
Described little drive wheel support arm is bearing on tween drive shaft by roller ball bearing.
Described hydraulic slave cylinder is made up of cylinder body of hydraulic oil cylinder, piston rod and connection monaural, and wherein, cylinder body of hydraulic oil cylinder end, connection monaural and frame are hinged; Piston rod and little drive wheel support arm hinged.
Described hydraulic slave cylinder two chamber is filled with hydraulic oil, and wherein, one end cavity is connected with energy storage with hydraulic oil pipe by pressure regulating valve, and other end cavity is connected with fuel tank with hydraulic oil pipe by flow regulating valve.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme, and it for neutral cable synchronous conveying system provides predetermincd tension, solves in folding and unfolding process, the problem that neutral cable carrying capacity need remain unchanged by hydraulic slave cylinder; Not only substantially increase stability and the reliability of synchronous conveying system retractable neutral cable; And, reduce the impact of the factors such as neutral cable extruding suffered in transmitting procedure, aging and marine corrosion, greatly reduce care and maintenance work capacity.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention.
Fig. 2 is the present invention's little drive wheel support arm mechanism cross-sectional schematic.
Fig. 3 is follow-up hydraulic cylinder efficient schematic diagram of the present invention.
Major label description in figure:
1. large drive wheel, 2. little drive wheel, 3. neutral cable, 4. hydraulic slave cylinder, 5. HM Hydraulic Motor, 6. the first driving chain, 7. large live axle sprocket wheel, 8. the first tween drive shaft sprocket wheel, 9. idle pulley, 10. the second driving chain, 11. second tween drive shaft sprocket wheels, 12. little live axle sprocket wheels; 13. little live axles, 14. little drive wheel support arm, 15. roller ball bearings, 16. tween drive shafts, 18. frames, 19. cylinder body of hydraulic oil cylinders, 20. piston rods, 21. connect monaural, 22. energy storages, 23. fuel tanks.
Detailed description of the invention
As shown in Fig. 1, Fig. 2, the present invention includes: large drive wheel 1 is corresponding with large drive wheel 1 arrange a Variable Centre Distance little drive wheel 2, between large drive wheel 1 and little drive wheel 2 through a neutral cable 3; Wherein, little drive wheel 2 is bearing in swingable little drive wheel support arm 14, and little drive wheel support arm 14 is bearing on tween drive shaft 16 by roller ball bearing 15; In order to keep large drive wheel 1 and little drive wheel 2 centering cable 3 constant pressure, a hydraulic slave cylinder 4 is set respectively at large drive wheel 1 and little drive wheel 2 both sides; And drive large live axle 13 and large live axle sprocket wheel 7 to rotate by HM Hydraulic Motor 5, by the transmission of the first driving chain 6, several idle pulley 9 (the present embodiment is two), drive tween drive shaft 16, first tween drive shaft sprocket wheel 8 and the second tween drive shaft sprocket wheel 11 to do negative side and rotate; Recycle the second driving chain 10 and drive little live axle 13 and little live axle sprocket wheel 12 rotating in same direction; Finally, large drive wheel 1 and little drive wheel 2 are done oppositely dynamic to transhipment, to reach the object of conveying neutral cable 3 into and out of single normobaric diving harness (ADS) engage switch.
As shown in Figure 3, hydraulic slave cylinder 4 is by cylinder body of hydraulic oil cylinder 19, piston rod 20 and be connected monaural 21 and form, and wherein, cylinder body of hydraulic oil cylinder 19 end, connects monaural 21 and is hinged with frame 18; Piston rod 19 is hinged with little drive wheel support arm 14.
Above-mentioned hydraulic slave cylinder 4 liang of chambeies are filled with hydraulic oil, and wherein, one end cavity is connected with energy storage 22 with hydraulic oil pipe by pressure regulating valve, and other end cavity is connected with fuel tank 23 with hydraulic oil pipe by flow regulating valve.
The object conveyor of this neutral cable synchronous conveying system above-mentioned is neutral cable, equally, is also applicable to the conveying of other hawser, as common cable etc.
Principle of work of the present invention: during use, what the present invention is installed on neutral cable reel goes out cable mouth place, and centering cable carries out synchronous transport work on the water or under water.Neutral cable winch cable laying or when drawing over to one's side, neutral cable 3 needs to keep tension in its internal system.Otherwise neutral cable 3 is too lax, during cable laying, neutral cable is easily piled up in internal system, cannot neat on reel, ordered arrangement when drawing over to one's side.In addition, go out beyond cable mouth at neutral cable winch, the neutral cable be connected with single normobaric diving harness (ADS) almost without working tension or tension force very little, therefore, after the reel and cable sector of neutral cable winch, a set of synchronous conveying system must be increased, between reel and synchronous conveying system, remain tension to make neutral cable.
Neutral cable synchronous conveying system adopts a pair large drive wheel 1, little drive wheel 2 synchronously to drive.Propulsion source selects HM Hydraulic Motor 5, first, the large drive wheel 1 of HM Hydraulic Motor 5 Direct driver, then, by the first driving chain 10, inscribe transmission between first tween drive shaft sprocket wheel 8 and two 2 idle pulleys 9, little drive wheel 2 is rotated backward, finally utilize the geometrical property that the pivot center of little drive wheel support arm 14 overlaps with tween drive shaft 16 pivot center, little drive wheel 2 is had " independence " of motion, that is: there is a degree of freedom freely rotated around tween drive shaft 16, simultaneously, utilize the second driving chain 10, second tween drive shaft sprocket wheel 11 and and little live axle sprocket wheel 12 moment of torsion and rotating speed are delivered to the little drive wheel 2 be bearing in little drive wheel support arm 14, thus realize by large drive wheel 1, little drive wheel 2 is real-time, synchronous driving neutral cable 3, finally reach the function that centering cable 3 carries out synchronous transport.
Consider that neutral cable 3 diameter has error and neutral cable 3 in transmitting procedure, because neutral cable 3 is squeezed and the reason such as aging, neutral cable 3 diameter can change, a pair large both sides between drive wheel 1 and little drive wheel 2, hydraulic slave cylinder 4 is set respectively, automatically to regulate the width between centers between this large drive wheel 1 and little drive wheel 2, and then reach the object that large drive wheel 1 and little drive wheel 2 centering cable 3 positive pressure N automatically adjust.
Cylinder body of hydraulic oil cylinder 19 one end and the frame 18 of this hydraulic slave cylinder 4 are articulated and connected, and other end piston rod 19 is articulated and connected with little drive wheel support arm 14 is hinged.Hydraulic oil in the oil cylinder cavity of piston rod 19 side is connected with energy storage 22 by pressure regulating valve; In oil cylinder cavity, the hydraulic oil of opposite side is communicated with fuel tank 23 by flow regulating valve.Hydraulic fluid pressure p is provided by energy storage 22, and hydraulic fluid pressure p size is regulated by pressure regulating valve.Once hydraulic fluid pressure p size is set up, then the positive pressure N that hydraulic slave cylinder 4 centering cable 3 provides keeps constant, thus the carrying capacity of synchronous conveying system centering cable 3 remains unchanged.
Above-mentioned drive wheel, hydraulic slave cylinder, HM Hydraulic Motor, live axle sprocket wheel, tween drive shaft sprocket wheel, idle pulley, driving chain, live axle sprocket wheel; Drive wheel support arm, roller ball bearing, cylinder body of hydraulic oil cylinder, piston rod, energy storage, fuel tank is prior art, and the technology of not specified (NS) is prior art, therefore repeats no more.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (4)

1. a synchronous conveying system for neutral cable, is characterized in that: comprising: a large drive wheel is corresponding with large drive wheel arrange a Variable Centre Distance little drive wheel, between large drive wheel and little drive wheel through a neutral cable; Wherein, little drive wheel is bearing in swingable little drive wheel support arm, and this little drive wheel support arm is bearing in again on tween drive shaft; A hydraulic slave cylinder is respectively arranged with at large drive wheel and little drive wheel both sides; And by the large live axle of fluid motor-driven and large live axle sprocket rotation, and pass through the transmission of the first driving chain, several idle pulley, drive tween drive shaft, the first tween drive shaft sprocket wheel and the second tween drive shaft chain crop rotation negative side to rotate; Recycle the second driving chain and drive little live axle and little live axle sprocket wheel rotating in same direction; Then, oppositely transhipment is moved, to carry neutral cable into and out of single normobaric diving harness engage switch by large drive wheel and little driving crop rotation.
2. the synchronous conveying system of neutral cable according to claim 1, is characterized in that: described little drive wheel support arm is bearing on tween drive shaft by roller ball bearing.
3. the synchronous conveying system of neutral cable according to claim 1, is characterized in that: described hydraulic slave cylinder is made up of cylinder body of hydraulic oil cylinder, piston rod and connection monaural, and wherein, cylinder body of hydraulic oil cylinder end, connection monaural and frame are hinged; Piston rod and little drive wheel support arm hinged.
4. the synchronous conveying system of the neutral cable according to claim 1 or 3, it is characterized in that: described hydraulic slave cylinder two chamber is filled with hydraulic oil, wherein, one end cavity is connected with energy storage with hydraulic oil pipe by pressure regulating valve, and other end cavity is connected with fuel tank with hydraulic oil pipe by flow regulating valve.
CN201510810905.XA 2015-11-20 2015-11-20 Synchronous conveying mechanism for neural cable Pending CN105293218A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111717735A (en) * 2019-03-21 2020-09-29 中石化石油工程技术服务有限公司 Shallow sea seismic exploration mechanical wire take-up equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752670A (en) * 1997-04-02 1998-05-19 Lasecki; Marie Ricca Wire dispenser with retractor
CN201433008Y (en) * 2008-10-06 2010-03-31 江浩 Device capable of generating required tension when strip-shaped object passes through
CN102963776A (en) * 2012-11-12 2013-03-13 中国船舶重工集团公司第七○二研究所 Underwater orthogonal swinging type neutral cable synchronous conveying mechanism
CN104140018A (en) * 2014-07-29 2014-11-12 中国海洋石油总公司 Underwater neutral cable arranging mechanism with movable winding drum
CN204079122U (en) * 2014-08-25 2015-01-07 中国海洋石油总公司 Four-wheel driving type neutral cable synchronous conveying system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752670A (en) * 1997-04-02 1998-05-19 Lasecki; Marie Ricca Wire dispenser with retractor
CN201433008Y (en) * 2008-10-06 2010-03-31 江浩 Device capable of generating required tension when strip-shaped object passes through
CN102963776A (en) * 2012-11-12 2013-03-13 中国船舶重工集团公司第七○二研究所 Underwater orthogonal swinging type neutral cable synchronous conveying mechanism
CN104140018A (en) * 2014-07-29 2014-11-12 中国海洋石油总公司 Underwater neutral cable arranging mechanism with movable winding drum
CN204079122U (en) * 2014-08-25 2015-01-07 中国海洋石油总公司 Four-wheel driving type neutral cable synchronous conveying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111717735A (en) * 2019-03-21 2020-09-29 中石化石油工程技术服务有限公司 Shallow sea seismic exploration mechanical wire take-up equipment

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Application publication date: 20160203