CN105179339B - A kind of hydraulic control system on underwater hydraulic auto clawing beam - Google Patents
A kind of hydraulic control system on underwater hydraulic auto clawing beam Download PDFInfo
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- CN105179339B CN105179339B CN201510528079.XA CN201510528079A CN105179339B CN 105179339 B CN105179339 B CN 105179339B CN 201510528079 A CN201510528079 A CN 201510528079A CN 105179339 B CN105179339 B CN 105179339B
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Abstract
The hydraulic pressure that a kind of hydraulic control system on underwater hydraulic auto clawing beam includes being located on grasping beam body wears shaft device, and control hydraulic pressure wear shaft device wear axis signal hydraulic controller；Described hydraulic pressure wears the bearing pin that shaft device includes being located in rodless cavity, and the iron being located on bearing pin, and pump wears shaft device loop with being connected inside rodless cavity by hydraulic pressure；Described axis signal hydraulic controller of wearing includes the first oil cylinder, and is located at the first in-oil cylinder First piston bar, and the first fuel tank is connected with the first oil cylinder, and First piston bar is connected with iron, and multiple first liquid level sensors are provided with the first fuel tank；The first described liquid level sensor is connected with the pump.It is an advantage of the current invention that replacing electric control system using hydraulic system, the security and stability of control system are improved.
Description
Technical field
The present invention relates to a kind of novel hydraulic control system of power station headstock gear hydraulic automatic grabbing beam, this invention makes hydraulic pressure
More simple and convenient, safe and reliable when auto clawing beam works under water, is easy to safeguard, use cost is low.
Background technology
Hydraulic automatic grabbing beam is the suspender of the commonly used handling gate of the big-and-middle-sized travelling hoist in power station, nearly more than ten
Nian Lai, while big-and-middle-sized door machine demand increase, also very frequently, grasping beam is often in the depth of water tens for the use of hydraulic automatic grabbing beam
Rice is to nearly hundred meters or so place's work, and underwater State is complicated, hydraulic pressure is big, with the increasing of the depth of water, to grasping beam functional reliability and peace
Full property proposes higher requirement.Electric control system also has to components such as level sensors, is most closed on hydraulic automatic grabbing beam
Key is also most weak position, and the sealing of the electric component of hydraulic automatic grabbing beam is designing unit, construction unit and manufacturer
All very concerns；Once poor sealing, causes percolating water, the normal work of a machine, especially flood season will be directly affected,
Once door machine can not normally start, serious consequence will be caused.And electric component water proofing property in itself, also have between component
The factor such as joint determine to be difficult to accomplish real sealing, especially used under high hydraulic pressure long-time, so hydraulic pressure grasping beam
Projected life is extremely difficult to, is easily damaged.Therefore the control system that use is more suitable for underwater State is to be worth research to be also to solve
The real direction of problem.
The content of the invention
For existing hydraulic pressure grasping beam electrical control component underwater sealing inadequate natural endowment there is provided a kind of to underwater sealing
Performance requirement is not high, and the hydraulic control system on underwater hydraulic auto clawing beam, its system has stability good, simple in construction,
The characteristics of regular maintenance facilitates.
In order to solve the above technical problems, the technical solution adopted in the present invention is：On a kind of underwater hydraulic auto clawing beam
Hydraulic control system includes the hydraulic pressure that is located on grasping beam body and wears shaft device, and control hydraulic pressure wear shaft device wear axis signal hydraulic pressure control
Device processed；
Described hydraulic pressure wears the bearing pin that shaft device includes being located in rodless cavity, and the iron being located on bearing pin, and pump passes through liquid
Pressure wears shaft device loop with being connected inside rodless cavity；
Described axis signal hydraulic controller of wearing includes the first oil cylinder, and is located at the first in-oil cylinder First piston bar, the
One fuel tank is connected with the first oil cylinder, and First piston bar is connected with iron, and multiple first liquid level sensors are provided with the first fuel tank；
The first described liquid level sensor is connected with the pump.
Further, control system also includes contraposition signal hydraulic controller, described contraposition signal hydraulic controller bag
Include the second oil cylinder and be located at the second in-oil cylinder second piston bar, the second fuel tank is connected with the second oil cylinder, set in the second oil cylinder
There is the second liquid level sensor.
It is also possible that second piston bar is cased with return spring outside the second oil cylinder.
The present invention removes all the sensors being attached on grasping beam body, circuit on the basis of original hydraulic automatic grabbing beam and connect
The electrical systems such as head, switch, complete contraposition using small-sized hydraulic cylinder circuit, wear the work that axle and its signal are sent, and by liquid
Press pump station is put into headstock gear computer room, and the hydraulic pressure in grasping beam is worn shaft device and small-sized oil cylinder etc. and passed through in hydraulic oil pipe and computer room
Hydraulic power unit is connected, and multiple-tubing string assembles one and is wrapped on hydraulic hose reel, can be during grasping beam ascending, descending
Retractable oil pipe, the electric control system of grasping beam does not enter under water, is faced under water originally this addresses the problem electric control system
The problem of.
It is an advantage of the current invention that hydraulic automatic grabbing beam in the 1, present invention under water working portion without electrical equipment, from
Fundamentally solve electrical equipment problems because caused by sealing does not accomplish water-impervious, and the present invention have cost it is low,
It is simple and practical, the features such as feasibility is high.
2nd, the weak spot for avoiding hydraulic automatic grabbing beam from existing by electrical equipment, hydraulic jack has stronger mechanical mechanics
Can, the uncertain factor of damage that debris is brought to grasping beam under water is also preferably minimized.Potential safety hazard is solved, and improves hydraulic pressure
The harmony in auto clawing beam each part design life-span, is maintained simpler.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 double lifting point hydraulic automatic grabbing beam operation principle schematic diagrams.
The mono- suspension centre hydraulic automatic grabbing beam operation principle schematic diagrams of Fig. 2
Fig. 3 aligns signal hydraulic controller.
Fig. 4 wears axis signal hydraulic controller.
Fig. 5 hydraulic pressure wears axle system.
In such as figure, 1 grasping beam body, 2 alignment pins and positioning sleeve, 3 gate lifting eyes, 4 hydraulic pressure wear shaft device,
5 wear axis signal hydraulic controller, and 6 hydraulic pressure wear shaft device loop, 7 contraposition signal hydraulic controllers, 8 second oil
Cylinder, 9 second piston bars, 10 return springs, 11 second fuel tanks, 12 second liquid level sensors, 13 First piston bars, 14 first oil
Cylinder, 15 first fuel tanks, liquid level sensor, 17 first time liquid level sensor, 18 bearing pins, 19 irons, 20 on 16 first
Pump.
Embodiment
As in Fig. 1, underwater hydraulic auto clawing beam includes grasping beam body 1 and is located at the alignment pin 2 at the end of grasping beam body 1 two, at two
Two hanging axises are additionally provided with grasping beam body 1 between alignment pin 2, the positioning sleeve being provided with hanging object with 2 pairs of alignment pin is being played, and with
In the corresponding gate lifting eye 3 of hanging axis, such as Fig. 2, a hanging axis is additionally provided with the grasping beam body 1 between two alignment pins 2, is being risen
Hanging object is provided with the positioning sleeve with 2 pairs of alignment pin, and gate lifting eye 3 corresponding with hanging axis, a kind of underwater hydraulic auto clawing beam
Hydraulic control system include the hydraulic pressure that is located on grasping beam body 1 and wear shaft device 4, contraposition signal hydraulic controller 7, and control hydraulic pressure
That wears shaft device 4 wears axis signal hydraulic controller 5；
As in Fig. 3, contraposition signal hydraulic controller 7 includes the second oil cylinder 8 and the second piston being located in the second oil cylinder 8
Bar 9, the second fuel tank 11 is connected with the second oil cylinder 8, and the second liquid level sensor 12 is provided with the second oil cylinder 8.
It is preferred that, second piston bar 9 is cased with return spring 10 outside the second oil cylinder 8.
As in Fig. 4, hydraulic pressure wears the bearing pin 18 that shaft device 4 includes being located in rodless cavity, and the iron 19 being located on bearing pin 18,
Pump 20 wears shaft device loop 6 with being connected inside rodless cavity by hydraulic pressure；
Include the first oil cylinder 14 as in Fig. 5, worn axis signal hydraulic controller 5, and first be located in the first oil cylinder 14 lives
Stopper rod 13, the first fuel tank 15 is connected with the first oil cylinder 14, and First piston bar 13 is connected with iron 19, is provided with the first fuel tank 15
Liquid level sensor 16, first time liquid level sensor 17 on first；
Liquid level sensor 16, first time liquid level sensor 17 are connected with pump 20 respectively on first.
Operation principle:The course of work of hydraulic automatic grabbing beam includes contraposition, wears axle, de- these three processes of axle
Contraposition refers to the process of that the hanging axis center of grasping beam body 1 is aligned with the hole center of gate lifting eye 3.Approached when grasping beam body 1 declines
Gate（When being played hanging object）And complete machinery contraposition（Alignment pin 2 enters gate abutment sleeve）Fix the position all around of grasping beam
Postpone, with the further decline of grasping beam, the top plate contact of gate lifting eye 3 aligns the second piston bar in signal hydraulic controller 7
9, and second piston bar 9 is above pushed away, second piston bar 9 presses to the oil in the second oil cylinder 8 on headstock gear by oil circuit
Second fuel tank 11, as grasping beam continues to decline, the second liquid level sensor 12 in the second fuel tank 11 persistently passes the signal to control
Panel processed, grasping beam just falls on gate when second piston bar 9 reaches range minimum value, while the second liquid level sensor 12 is sent
Signal（The altimeter of lifting mechanism can also send signal when lifting mechanism drops to maximum position simultaneously）Lifting mechanism is powered off
Shut down, grasping beam stops declining, contraposition process is completed, can carry out wearing axle action.
Hydraulic pressure wears the iron 19 stretched out on the bearing pin 18 of shaft device 4 and wears the First piston bar 13 of axis signal hydraulic controller
Connection, after the startup of pump 20, pump 20 wears shaft device loop 6 to rodless cavity addition oil by hydraulic pressure, and hydraulic oil enters rodless cavity, sold
Axle is worn in the reach of axle 18.Bearing pin 18 drags First piston bar 13 by iron 19 and moved forward, and First piston bar 13 is by the hydraulic pressure in loop
Oil from the first oil cylinder 14 of suction in the first fuel tank 15 on headstock gear, first built in the first fuel tank 15 on liquid level sensor 16
, first time liquid level sensor 17, when bearing pin 18 is close to range, hydraulic oil oil level is down to lower first time liquid in the first fuel tank 15
In the range of level sensor 17 is answered, first time liquid level sensor 17 persistently passes the signal to control panel, and bearing pin 18 reaches maximum
During position, oil level is minimized, and first time liquid level sensor 17 sends signal pumping plant and be stopped, and wears axle action completion.
De- axle acts and worn axle action on the contrary, hydraulic oil, which enters after the rod chamber that hydraulic pressure wears shaft device 4, bearing pin 18, moves de-
Axle.Moved after the dragging First piston bar 13 of bearing pin 18, hydraulic oil is pressed into the first fuel tank 15 by First piston bar 13, and bearing pin 18 is close to most
During small stroke, hydraulic oil oil level gos up to the induction range of liquid level sensor on first 16 in the first fuel tank 15, liquid level on first
Sensor 16 persistently passes the signal to control panel, and when bearing pin 18 reaches minimum position, oil level rises to liquid level on highest, first
Sensor 16 sends signal pumping plant and is stopped, and takes off axle action and completes.
Grasping beam departs from after gate, and the second piston bar 9 in contraposition signal hydraulic controller 7 is acted on next time in return spring 10
Position is to initial conditions.So far grasping beam action of the completion of hydraulic automatic grabbing beam completely.
Claims (1)
1. the hydraulic control system on a kind of underwater hydraulic auto clawing beam, it is characterised in that：The control system includes being located at grabbing
Hydraulic pressure in beam body wears shaft device, and control hydraulic pressure wear shaft device wear axis signal hydraulic controller；
Described hydraulic pressure wears the bearing pin (18) that shaft device includes being located in rodless cavity, and the iron (19) being located on bearing pin (18),
Pump (20) wears shaft device loop (6) with being connected inside rodless cavity by hydraulic pressure；
Described axis signal hydraulic controller of wearing includes the first oil cylinder (14), and the First piston bar being located in the first oil cylinder (14)
(13), the first fuel tank (15) is connected with the first oil cylinder (14), and First piston bar (13) is connected with iron (19), in the first fuel tank
(15) multiple first liquid level sensors are provided with；
The first described liquid level sensor is connected with the pump (20);
The control system also includes contraposition signal hydraulic controller (7), and described contraposition signal hydraulic controller (7) includes the
Two oil cylinders (8) and the second piston bar (9) being located in the second oil cylinder (8), the second fuel tank (11) are connected with the second oil cylinder (8),
The second liquid level sensor is provided with second oil cylinder (8);
The second piston bar (9) is cased with return spring (10) outside the second oil cylinder (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528079.XA CN105179339B (en) | 2015-08-26 | 2015-08-26 | A kind of hydraulic control system on underwater hydraulic auto clawing beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528079.XA CN105179339B (en) | 2015-08-26 | 2015-08-26 | A kind of hydraulic control system on underwater hydraulic auto clawing beam |
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| CN105179339A CN105179339A (en) | 2015-12-23 |
| CN105179339B true CN105179339B (en) | 2017-09-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204900375U (en) * | 2015-08-26 | 2015-12-23 | 葛洲坝机械工业有限公司 | Hydraulic control system on roof beam is grabbed automatically to hydraulic pressure under water |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3153118B2 (en) * | 1996-02-01 | 2001-04-03 | 新キャタピラー三菱株式会社 | Hydraulic circuit of hydraulic work machine |
| JP4989032B2 (en) * | 2005-03-18 | 2012-08-01 | 株式会社協和製作所 | Automatic operation control circuit for undulating automatic gate equipment |
| CN203274715U (en) * | 2013-04-19 | 2013-11-06 | 华电郑州机械设计研究院有限公司 | Hydraulic automatic gripping beam monitoring system |
| CN204080753U (en) * | 2014-09-15 | 2015-01-07 | 中国电建集团成都勘测设计研究院有限公司 | Gate hoist alignment device |
| CN204385696U (en) * | 2014-12-09 | 2015-06-10 | 国家电网公司 | A kind of water conservancy project fluid pressure type auto clawing beam |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204900375U (en) * | 2015-08-26 | 2015-12-23 | 葛洲坝机械工业有限公司 | Hydraulic control system on roof beam is grabbed automatically to hydraulic pressure under water |
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Effective date of registration: 20170808 Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Applicant after: Machinery & Ship Co., Ltd., China Gezhouba Group Address before: 18 No. 443007 Hubei city of Yichang province located in Xiaoting District Road Applicant before: Ge Zhou Ba mechanical industry Co., Ltd |
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