CN203627352U - Hydraulic control system of three-dimensional adjustment machine - Google Patents

Hydraulic control system of three-dimensional adjustment machine Download PDF

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Publication number
CN203627352U
CN203627352U CN201320646417.6U CN201320646417U CN203627352U CN 203627352 U CN203627352 U CN 203627352U CN 201320646417 U CN201320646417 U CN 201320646417U CN 203627352 U CN203627352 U CN 203627352U
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oil
pressure
mouth
hydraulic pump
hydraulic
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CN201320646417.6U
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黄淑英
黄正秋
卢康
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China Harzone Industry Corp Ltd
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China Harzone Industry Corp Ltd
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Abstract

Disclosed is a hydraulic control system of a three-dimensional adjustment machine. The hydraulic control system is characterized in that a pressurization system composed of a pressurizer (8) and an ultrahigh pressure relay (9) is arranged in a Z-directional vertical jack-up loop, the pressurizer (8) is provided with an IN port, an R port and two H ports, oil flows into a rodless cavity of a Z-directional vertical jack-up cylinder via the IN port of the pressurizer (8) and flows out of the H port to enter an H1 port of the rodless cavity to perform jacking operation, a rod cavity of the Z-directional vertical jack-up cylinder is connected on the R port and an oil return pipeline of the pressurizer (8), and the ultrahigh pressure relay (9) is parallelly connected between the H port and the H1 port to play a role in overload protection. Bilateral hydraulic locks (10) are arranged two horizontal adjustment and translation loop on the X-direction and the Y-direction of the hydraulic control system, so that after the X-directional or Y-directional horizontal adjustment and translation loop stops supplying the oil, the hydraulic control system can be kept in the fixed position for a long time under the action of operation load.

Description

A kind of three-dimensional adjusting machine hydraulic control system
Technical field
The utility model relates to a kind of hydraulic control system of three-dimensional adjusting machine, particularly a kind of hydraulic control system of ultrahigh pressure three-dimensional adjusting machine.
Background technique
The body section that three-dimensional adjusting machine aims at " block assembly ship construction method " closes up technique design, this equipment forms three-dimensional adjust system by three on its body X, Y, the Z-direction oil cylinders that are in three-dimensional 90 ° of connections, under the control of computer and hydraulic system, from three dimensions, six-freedom degree, the pose of body section is adjusted, close up realizing accurate location between segmentation and segmentation, segmentation and hull, improve traditional segment folding and carry engineering method.This equipment can significantly improve working efficiency, reduces the holding time of large-sized gantry loop wheel machine, reduces labor intensity, promotes occupational health.
It can also be widely used in the docking of large-scale steel structure and close up in assembly process.
For the hydraulic control system design of this equipment, the working pressure of the producer's design having both at home and abroad is at present below 31.5MPa, vertical so main jacking cylinder bulky, cause machine volume large and heavy, cause labor intensity of operating staff very big, cost tonnage is than low, simultaneously, operate also dumb, cause manufacturing efficiency decline; For this situation, domestic existing producer adopts high low pressure duplex pump to do power source, the ultrahigh pressure pressure of pump reaches 70MPa, configure ultrahigh pressure element simultaneously, realize vertical top oil-lifting jar works under hyperpressure, the turning radius that reduces vertical top oil-lifting jar with this, alleviates volume and the weight of complete machine.But in China, the quality of ultrahigh-pressure hydraulic element is far away from middle or high pressure hydraulic element maturation, and the source of goods is little, expensive, working life and rate of fault can not make user satisfied.Simultaneously ultrahigh pressure valve member is compared with conventional valve member, seal more difficultly, and stricter to Environmental Conditions requirement, relative failure frequency is high, and Security cannot guarantee.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of oil hydraulic pump that adopts working pressure≤31.5MPa is provided, only in the jacking loop of working pressure superelevation, add a pressurized machine, can form easily ultrahigh pressure control system, the delivery pressure of≤31.5MPa is increased to 70MPa, even more than.
Task of the present utility model realizes by following scheme: three-dimensional adjusting machine hydraulic control system, the oil hydraulic pump that comprises a working pressure≤31.5MPa and a relief circuit, the vertical jacking of a Z-direction loop (working pressure can exceed 70MPa), X to two horizontal adjustemt translational loops of Y-direction (working pressure is identical with oil hydraulic pump) totally four hydraulic pressure branch roads in parallel, described oil hydraulic pump has an inlet port and a force feed mouth, the inlet port of described oil hydraulic pump stretches into fuel tank through oil-suction oil filter and draws oil sources, article four, the entrance of hydraulic pressure branch road in parallel is all connected on the force feed mouth of oil hydraulic pump, oil hydraulic pump oil extraction provides working liquid body to each branch road, and the oil return of all hydraulic pressure branch roads is all flowed back to fuel tank through return oil filter, described relief circuit is made up of electromagnetic relief valve and system pressure relay, and in the time that system pressure reaches the set pressure of system pressure relay, it just sends electrical signal and make the electromagnetic actuation of electromagnetic relief valve, and relief valve is opened overflow, oil hydraulic pump running unloaded, when system pressure is during lower than the opening pressure of system pressure relay, electrical signal interrupts, and oil hydraulic pump continues to provide pressured fluid to system, the vertical jacking of described Z-direction loop is by solenoid directional control valve, one-way throttle valve, equilibrium valve, pressurized machine, ultrahigh pressure relay and Z-direction vertical top oil-lifting jar are in series successively, the lifting direction of solenoid directional control valve control Z-direction vertical top oil-lifting jar, one-way throttle valve and equilibrium valve make system have the function of oil return speed governing and jacking pressurize, assurance security of system is worked reliably, pressurized machine has an IN mouth, a R mouth and 2 H mouths, the oil-feed of the rodless cavity of Z-direction vertical top oil-lifting jar flows into through the IN of pressurized machine mouth, H mouth flows out the H1 mouth execution top act work that enters rodless cavity, the rod chamber of Z-direction vertical top oil-lifting jar is connected on the R mouth and return line of pressurized machine, ultrahigh pressure relay is connected in parallel between H mouth and H1 mouth, play overload protective function, in the time that the pressure of pressurized machine output reaches the set pressure of ultrahigh pressure relay, supervoltage pressure relay just sends electrical signal, the conveying of stop liquid, described X to two horizontal adjustemt translational loops of Y-direction by solenoid directional control valve, bidirectional hydraulic lock and X to or Y-direction horizontal adjustemt oil cylinder composition, solenoid directional control valve control X to or the translation direction of Y-direction horizontal adjustemt oil cylinder, bidirectional hydraulic lock make X to or Y-direction horizontal adjustemt oil cylinder after fuel cut-off, can keep stable relevant position.
Due to this three-dimensional adjusting machine hydraulic control system, adopt a pressurized machine, thereby make this hydraulic system can obtain comparatively easily ultrahigh pressure working pressure, the ultrahigh pressure working pressure of Z-direction vertical top oil-lifting jar can realize by the pressurized machine of selecting different supercharging multiplying powers.This design efficiency is high, and element used is few, and system heating is little.
The pressurized machine using in native system can automatically be realized continuous supercharging in a work cycle, continuously to clutch release slave cylinder output ultrahigh pressure fluid, can realize the working efficiency requirement that low pressure F.F., ultrahigh pressure work are entered, energy saving and reduce operating cost.
The utility model has the advantage of:
In system except pressurized machine, Z-direction vertical top oil-lifting jar and supercharger outlet should adopt ultrahigh pressure to the pipeline parts between Vertical Cylinders import, remaining hydraulic element all adopts the conventional element with the identical working pressure of pump, reduce widely element cost, improved reliability and the normalisation coefft of element.
This system has simple in structure, economical rationality, and working stability is reliable, and the life-span is long, easy to maintenance etc.
Accompanying drawing explanation
Fig. 1 is a kind of three-dimensional adjusting machine hydraulic control system of the utility model hydraulic schematic diagram;
Fig. 2 is the functional diagram of the pressurized machine of a kind of three-dimensional adjusting machine hydraulic control system of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, three-dimensional adjusting machine hydraulic system, comprise an oil hydraulic pump 2 and a relief circuit, the vertical jacking of Z-direction loop, X to two horizontal adjustemt translational loops of Y-direction totally four hydraulic pressure branch roads in parallel.
Oil hydraulic pump 2 has an inlet port and a force feed mouth, inlet port stretches into fuel tank 13 through oil-suction oil filter and draws oil sources, article four, the entrance of hydraulic pressure branch road in parallel is all connected on the force feed mouth of oil hydraulic pump 2, oil hydraulic pump 2 oil extractions provide working liquid body to each branch road, and the oil return of all hydraulic pressure branch roads is all flowed back to fuel tank 13 through return oil filter 12.
Described relief circuit is made up of electromagnetic relief valve 3 and system pressure relay 4, in the time that system pressure reaches the set pressure of system pressure relay 4, it just sends electrical signal and makes the electromagnetic actuation of electromagnetic relief valve 3, and relief valve is opened overflow, oil hydraulic pump 2 running unloadeds; When system pressure is during lower than the opening pressure of system pressure relay 4, electrical signal interrupts, and oil hydraulic pump 2 continues to provide pressured fluid to system.
The vertical jacking of described Z-direction loop is in series successively by solenoid directional control valve 5, one-way throttle valve 6, equilibrium valve 7, pressurized machine 8, ultrahigh pressure relay 9 and Z-direction vertical top oil-lifting jar.Solenoid directional control valve 5 is controlled the lifting direction of Z-direction vertical top oil-lifting jar, one-way throttle valve 6 makes system have the function of oil return speed governing and jacking pressurize with equilibrium valve 7, assurance security of system is worked reliably, pressurized machine 8 has an IN mouth, a R mouth and 2 H mouths, the oil-feed of the rodless cavity of Z-direction vertical top oil-lifting jar flows into through the IN of pressurized machine 8 mouth, H mouth flows out the H1 mouth execution top act work that enters rodless cavity, the rod chamber of Z-direction vertical top oil-lifting jar is connected on the R mouth and return line of pressurized machine 8, ultrahigh pressure relay 9 is connected in parallel between H mouth and H1 mouth, play overload protective function, in the time that the pressure of pressurized machine output reaches the set pressure of ultrahigh pressure relay 9, supervoltage pressure relay 9 just sends electrical signal, the conveying of stop liquid.
Described X to two horizontal adjustemt translational loops of Y-direction by solenoid directional control valve 5, bidirectional hydraulic lock 10 and X to or Y-direction horizontal adjustemt oil cylinder composition, solenoid directional control valve 5 control X to or the translation direction of Y-direction horizontal adjustemt oil cylinder, bidirectional hydraulic lock 10 make X to or Y-direction horizontal adjustemt oil cylinder after fuel cut-off, can keep stable relevant position.
The pressure pump that oil hydraulic pump 2 in system is working pressure≤31.5MPa, makes Z-direction vertical top oil-lifting jar obtain at least superelevation working pressure more than 70MPa by pressurized machine 8, and in whole system, only H is ultrahigh pressure element to the element between H1 point.
In native system, optimum scheme be X to or the incoming pressure of the working pressure of Y-direction horizontal adjustemt oil cylinder and the working pressure of oil hydraulic pump 2, pressurized machine 8 equate, can, at X to reducing with two horizontal adjustemt translational loops of Y-direction the relief valve using, reduce number of elements, and reduce system heating.
The working procedure of pressurized machine 8 is as shown in Figure 2: hydraulic oil flows into from IN mouth, and directly flow through 2 safety check KV1 and KV2 and DV arrive high pressure side H.In such cases, will reach maximum value by the flow of pressurized machine, thereby realize fast-forward functionality.In the time that the pressure of high pressure side H arrives predetermined value, valve KV1, KV2 and DV close.Terminal pressure obtains by the to-and-fro motion of oil pump OP1 and OP2.In the time that the terminal pressure of high pressure side H arrives predetermined value, equipment will be automatically out of service.If because oil consumption or leakage make on high-tension side pressure drop, OP1 and OP2 will move automatically, to maintain terminal pressure.

Claims (2)

1. a three-dimensional adjusting machine hydraulic control system, comprise: an oil hydraulic pump (2) and a relief circuit, the vertical jacking of Z-direction loop, X to two horizontal adjustemt translational loops of Y-direction totally four hydraulic pressure branch roads in parallel, described oil hydraulic pump (2) has an inlet port and a force feed mouth; The inlet port of described oil hydraulic pump (2) stretches into fuel tank (13) through oil-suction oil filter and draws oil sources, article four, the entrance of hydraulic pressure branch road in parallel is all connected on the force feed mouth of oil hydraulic pump (2), oil hydraulic pump (2) oil extraction provides working liquid body to each branch road, and the oil return of all hydraulic pressure branch roads is all flowed back to fuel tank (13) through return oil filter (12); Described relief circuit is made up of electromagnetic relief valve (3) and system pressure relay (4), in the time that system pressure reaches the set pressure of system pressure relay (4), it just sends electrical signal and makes the electromagnetic actuation of electromagnetic relief valve (3), relief valve is opened overflow, oil hydraulic pump (2) running unloaded; When system pressure is during lower than the opening pressure of system pressure relay (4), electrical signal interrupts, and oil hydraulic pump (2) continues to provide pressured fluid to system; The vertical jacking of described Z-direction loop is in series successively by solenoid directional control valve (5), one-way throttle valve (6), equilibrium valve (7) and Z-direction vertical top oil-lifting jar, solenoid directional control valve (5) is controlled the lifting direction of Z-direction vertical top oil-lifting jar, one-way throttle valve (6) makes system have the function of oil return speed governing and jacking pressurize with equilibrium valve (7), and assurance security of system is worked reliably; Described X to two horizontal adjustemt translational loops of Y-direction by solenoid directional control valve (5) and X to or Y-direction horizontal adjustemt oil cylinder composition, solenoid directional control valve (5) control X to or the translation direction of Y-direction horizontal adjustemt oil cylinder, it is characterized in that:
In the vertical jacking of the Z-direction loop of this hydraulic control system, be also provided with the pressurization system being formed by a pressurized machine (8) and a ultrahigh pressure relay (9), described pressurized machine (8) has an IN mouth, a R mouth and 2 H mouths, the oil-feed of the rodless cavity of Z-direction vertical top oil-lifting jar flows into through the IN mouth of pressurized machine (8), H mouth flows out the H1 mouth execution top act work that enters rodless cavity, the rod chamber of Z-direction vertical top oil-lifting jar is connected on the R mouth and return line of pressurized machine (8), ultrahigh pressure relay (9) is connected in parallel between H mouth and H1 mouth, plays overload protective function; The X of this hydraulic control system to two horizontal adjustemt translational loops of Y-direction on be also provided with bidirectional hydraulic lock (10), make X to or Y-direction horizontal adjustemt oil cylinder after fuel cut-off, under the effect of work loads, can remain on for a long time fixing position.
2. three-dimensional adjusting machine hydraulic control system according to claim 1, is characterized in that: oil hydraulic pump (2) is the high-pressure service pump of working pressure≤31.5MPa, X to or the working pressure of Y-direction horizontal adjustemt oil cylinder identical with the working pressure of oil hydraulic pump (2); More than the working pressure of Z-direction vertical top oil-lifting jar can exceed 70MPa.
CN201320646417.6U 2013-10-21 2013-10-21 Hydraulic control system of three-dimensional adjustment machine Active CN203627352U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104675764A (en) * 2015-03-16 2015-06-03 中国工程物理研究院化工材料研究所 Pressurizing and pressure-maintaining pressure curve control method of hydraulic machine
WO2016061797A1 (en) * 2014-10-23 2016-04-28 南京迈瑞生物医疗电子有限公司 Hydraulic drive system for operating table
CN104564859B (en) * 2013-10-21 2017-01-11 湖北华舟重工应急装备股份有限公司 Hydraulic control system of three-dimensional adjusting machine
CN108087363A (en) * 2017-12-01 2018-05-29 中国直升机设计研究所 A kind of hydraulic pressure converting unit component, converting unit and converting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104564859B (en) * 2013-10-21 2017-01-11 湖北华舟重工应急装备股份有限公司 Hydraulic control system of three-dimensional adjusting machine
WO2016061797A1 (en) * 2014-10-23 2016-04-28 南京迈瑞生物医疗电子有限公司 Hydraulic drive system for operating table
CN104675764A (en) * 2015-03-16 2015-06-03 中国工程物理研究院化工材料研究所 Pressurizing and pressure-maintaining pressure curve control method of hydraulic machine
CN108087363A (en) * 2017-12-01 2018-05-29 中国直升机设计研究所 A kind of hydraulic pressure converting unit component, converting unit and converting system

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