CN105114378B - A kind of big bag accident turns round manual logic control hydraulic means - Google Patents

A kind of big bag accident turns round manual logic control hydraulic means Download PDF

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Publication number
CN105114378B
CN105114378B CN201510543065.5A CN201510543065A CN105114378B CN 105114378 B CN105114378 B CN 105114378B CN 201510543065 A CN201510543065 A CN 201510543065A CN 105114378 B CN105114378 B CN 105114378B
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valve
oil cylinder
accident
hydraulic
hand
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CN105114378A (en
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解通护
郭星良
王训安
彭立广
陈国防
张国强
吴仕雄
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China National Heavy Machinery Research Institute Co Ltd
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China National Heavy Machinery Research Institute Co Ltd
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Abstract

Manual logic control hydraulic means, including motor internal contracting brake oil cylinder, clutch oil cylinder and accident rotary motor are turned round the invention discloses a kind of big bag accident, the logical action that the 3rd original solenoid directional control valve realizes accident rotary motor is replaced by hand-operated direction valve;Logic servo antrol corresponding with clutch oil cylinder is realized by one way pressure-reducing valve;Logic servo antrol corresponding with motor internal contracting brake oil cylinder is realized with hydraulic directional valve by check valve.The present invention is by increasing and accepting or rejecting part valve member, it is not necessary to which existing hydraulic circuit control device originally can be transformed into manual logic control circuit apparatus for hydraulic by extra be added to;The weak link in original control is solved after circuit improvement;The device can not only fully achieve the function that prior art possesses, and give up the link for being easily caused failure, simple, reliable, practical.

Description

A kind of big bag accident turns round manual logic control hydraulic means
Technical field
The present invention relates to field of metallurgy, specifically a kind of big bag accident turns round manual logic control hydraulic means.
Background technology
The current big bag accident of conticaster turns round conticaster standard configuration equipment on Cheng Xin, and the effect of the equipment is in casting cycle In when there is emergency, such as all main pumps are stopped, and big bag motor revolution is out of order, and technological requirement must go to big bag Security incident bag position, the pressure oil of the special accident accumulator storage of the equipment utilization for driving force will be equipped with the ladle of molten steel by Technological requirement promptly rotates to the safety of personnel and equipment on accident bag position, protecting platform;The mode of equipment control revolution is big Body has two kinds:Pneumatic rotary and hydraulic gyration, the former is due to bulky, the high seldom use, most continuous castings of cost The big bag accident revolution of machine all uses the latter, as shown in figure 1, turning round the structural principle of hydraulic control device for existing big bag accident Figure, the ripe control mode of hydraulic gyration is the work for controlling accident to turn round by the power on/off of some magnetic valves of electrical control Skill is acted;This simple and reliable application of mode is commonplace, but has a premise:Electromagnet and control cable must stand intact Ability normal work, because conticaster platform operations environmental hazard is severe, electromagnet and cable belong to weak link again, therefore easily Cause cable to be caught fire due to high-temperature baking, cable, which burns, causes accident, cause heavy losses.
The content of the invention
It is an object of the invention to provide one kind is simpler than electrical control, reliable, operability is stronger, be not added to additionally This big bag accident turns round manual logic control hydraulic means, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of big bag accident turns round manual logic control hydraulic means, including motor internal contracting brake oil cylinder, clutch oil cylinder and thing Therefore it is connected with hydraulic lock and hand-operated direction valve in turn on rotary motor, the accident rotary motor, replaced by hand-operated direction valve The 3rd solenoid directional control valve originally realizes the logical action of accident rotary motor;Check valve is connected respectively on the clutch oil cylinder And one way pressure-reducing valve, hand-operated direction valve is connected with one way pressure-reducing valve and hydraulic lock respectively, passes through one way pressure-reducing valve and realizes and clutch The corresponding logic servo antrol of device oil cylinder;Be connected with turn on the motor internal contracting brake oil cylinder the 4th choke valve, hydraulic directional valve and First solenoid directional control valve, the 4th choke valve is connected with the check valve and hydraulic directional valve respectively, passes through check valve and liquid Dynamic reversal valve realizes logic servo antrol corresponding with motor internal contracting brake oil cylinder.
It is used as further scheme of the invention:The 3rd choke valve is connected with the hand-operated direction valve.
It is used as further scheme of the invention:The first pressure-reducing valve is connected with first solenoid directional control valve.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, control loop is changed:By increase, accept or reject part valve member, it is not necessary to which extra be added to originally can be by existing hydraulic pressure Circuit control device is transformed into manual logic control circuit apparatus for hydraulic;
2nd, the weak link in original control is solved after circuit improvement:Cable, electromagnet;Only need artificial control manually 1 reversal valve can just realize that original technology must control the electromagnet on 3 valve members to cooperate with switching electricity real by cable Existing technological action;
3rd, the device can not only fully achieve the function that prior art possesses, and give up the ring for being easily caused failure Section (such as cable is released, broken, electromagnet is damaged, electromagnet misoperation) is simple, reliable, practical.
Brief description of the drawings
Fig. 1 controls the principle sketch of hydraulic means for existing big bag accident revolution.
Fig. 2 is principle sketch of the invention.
In figure:The solenoid directional control valves of 110-1-first;The solenoid directional control valves of 110-2-second;121-the three solenoid directional control valve; The pressure-reducing valves of 261-1-first;The pressure-reducing valves of 261-2-second;371-1-first throttle valve;371-2-second throttle;281- Bidirectional relief valve;382-hydraulic lock;300-the three choke valve;109-1-hydraulic directional valve;142-1-check valve;262- 1-one way pressure-reducing valve;121a-hand-operated direction valve;The choke valves of 301-1-the 4th.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, existing big bag accident revolution hydraulic principle is as follows:
When needing big bag accident to turn round clockwise (using bale panoramic tables as reference, with up time when being rotated under accident condition Pin direction is that technique allows direction, is counterclockwise forbidden) the first solenoid directional control valve 110-1 electromagnet Y12 is required in technique It is powered, system pressure oil enters clutch cylinder via the first solenoid directional control valve 110-1 left position by first throttle valve 371-1, Motor clutch piece is promoted to be engaged with big bag swing pinion;The second solenoid directional control valve 110-2 Y20 electromagnetism Tie Tong is required simultaneously Electricity, similarly system pressure oil motor internal contracting brake entered by second throttle 371-2 via the second solenoid directional control valve 110-2 left position Oil cylinder, pushing motor band-type brake unclamps with big bag swing pinion;After the completion of the above two, the electromagnet of the 3rd solenoid directional control valve 121 Y13B is powered, and system pressure oil enters accident rotary motor by hydraulic lock 382 via the right position of the 3rd solenoid directional control valve 121 and driven Dynamic big bag is rotated in a clockwise direction to accident package location, and the electricity of the 3rd solenoid directional control valve 121 can be allowed in debugging process Magnet Y13A is powered, and big bag rotates in the counterclockwise direction, once debugging terminates, actual accidents forbid the 3rd electromagnetic switch when turning round The electromagnet Y13A of valve 121 is powered;The technical process is completed on condition that must assure that cable and each electromagnet are excellent, once have Link, which goes wrong, can not normally realize accident revolute function, cause great production accident.
Involved main element function is as follows in Fig. 1:
3rd solenoid directional control valve 121:Obtained in control loop by left and right electromagnet, dead electricity drives accident shown in Fig. 1 Rotary motor is clockwise, turning anticlockwise;
3rd choke valve 300:Accident rotary motor shown in regulation Fig. 1 is clockwise, the speed of turning anticlockwise;
Hydraulic lock 382:Ensure the transfixion when solenoid directional control valve 121 must not be electric of accident rotary motor shown in Fig. 1;
Bidirectional relief valve 281:Protection equipment plays safety effect in Fig. 1;
First pressure-reducing valve 261-1, the second decompression 261-2:In Fig. 1 respectively to entering clutch oil cylinder and motor internal contracting brake oil The pressure oil of cylinder is depressurized, and meets technological requirement;
First solenoid directional control valve 110-1:Obtained by electromagnet, dead electricity come drive clutch oil cylinder shown in Fig. 1 engage and pine Start work;
Second solenoid directional control valve 110-2:Obtained by electromagnet, dead electricity come drive motor internal contracting brake oil cylinder shown in Fig. 1 unclamp and Holding is acted;
First throttle valve 371-1, second throttle 371-2:In Fig. 1 to adjusting respective loop oil cylinder stretching, speed of retracting Degree, meets technological requirement.
Referring to Fig. 2, in the embodiment of the present invention, a kind of big bag accident turns round manual logic control hydraulic means, including electricity Machine band-type brake oil cylinder, clutch oil cylinder and accident rotary motor, it is characterised in that be connected with liquid in turn on the accident rotary motor The 3rd choke valve 300 is connected with pressure lock 382 and hand-operated direction valve 121a, hand-operated direction valve 121a, passes through hand-operated direction valve 121a replaces the logical action that the 3rd original solenoid directional control valve 121 realizes accident rotary motor;Divide on the clutch oil cylinder Not Lian Jie check valve 142-1 and one way pressure-reducing valve 262-1, hand-operated direction valve 121a respectively with one way pressure-reducing valve 262-1 and hydraulic pressure Lock 382 is connected, and logic servo antrol corresponding with clutch oil cylinder is realized by one way pressure-reducing valve 262-1;The motor internal contracting brake It is connected with the 4th choke valve 301-1, hydraulic directional valve 109-1 and the first solenoid directional control valve 110-1, the first electromagnetism on oil cylinder in turn Be connected with reversal valve 110-1 the first pressure-reducing valve 261-1, the 4th choke valve 301-1 respectively with the check valve 142-1 and Hydraulic directional valve 109-1 connections, are realized corresponding with motor internal contracting brake oil cylinder by check valve 142-1 and hydraulic directional valve 109-1 Logic servo antrol.
The principle of the invention device is as follows:
Only can just be realized by the commutation of a hand-operated direction valve controls 3 magnetic valves to assist by cable in the prior art With the function achieved by action, the technology and the executive item quantity of driving required for prior art are completely the same, big when needing (using bale panoramic tables as reference, allow in a clockwise direction for technique when being rotated under accident condition when bag accident is turned round clockwise Direction, counterclockwise forbids) only need that hand-operated direction valve 121a artificially is pulled into right position manually, pressure oil i.e. by changing manually It is divided into passage from 3 tunnels to the right positions of valve 121a and valve block duct, 1 tunnel enters clutch cylinder via one way pressure-reducing valve 262-1, promotes horse Engaged up to clutch disc with big bag swing pinion;1 tunnel enters motor internal contracting brake oil via one way pressure-reducing valve 262-1, check valve 142-1 Cylinder, pushing motor band-type brake oil cylinder unclamps with big bag swing pinion, therefore can reduce fault rate, it is not required that additionally increase cost;1 Road enters accident rotary motor via hydraulic lock 382, and drive motor is rotated in a clockwise direction.If imprudence during emergency Hand-operated direction valve 121a is pulled into left position, system design can also ensure motor will not rotate counterclockwise, remains stationary is motionless, will not Great production accident is caused, safety coefficient is greatly improved.The device can not only fully achieve the function that prior art possesses, and And given up be easily caused failure intermediate link (such as cable is released, broken, electromagnet damage, electromagnet misoperation), letter It is single, reliable, practical.
Involved main element function is as follows in Fig. 2:
Hand-operated direction valve 121a:Accident shown in Fig. 2 is driven to turn round horse by manual switching valve station in control loop Up to revolution clockwise, turning anticlockwise is forbidden in principle, to prevent leading to security incident;
3rd choke valve 300:Accident rotary motor shown in regulation Fig. 2 is clockwise, the speed of turning anticlockwise;
Hydraulic lock 382:Ensure the transfixion when hand-operated direction valve 121a must not be electric of accident rotary motor shown in Fig. 2;
Bidirectional relief valve 281:Protection equipment plays safety effect in fig. 2;
First pressure-reducing valve 261-1:The pressure oil for entering motor internal contracting brake oil cylinder is depressurized in fig. 2, meeting technique will Ask;
First solenoid directional control valve 110-1:Obtained by electromagnet, dead electricity is driving the motor of motor internal contracting brake oil cylinder shown in Fig. 2 just Holding often during revolution and release action;
One way pressure-reducing valve 262-1, hydraulic directional valve 109-1:In fig. 2 when hand-operated direction valve 121a is manually switched to right work During position, pressure oil passes sequentially through the valve member of the above 3, the engagement of driving clutch oil cylinder, motor internal contracting brake oil cylinder by the duct on valve block Unclamp, accident rotary motor is turned back to accident bag home clockwise.
NM element described above only helps out in systems, belongs to the well-known components or conventional hand of the industry Section, is not described one by one here.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.

Claims (1)

1. a kind of big bag accident turns round manual logic control hydraulic means, including motor internal contracting brake oil cylinder, clutch oil cylinder and accident Rotary motor, it is characterised in that be connected with hydraulic lock (382) and hand-operated direction valve on the accident rotary motor in turn (121a), replaces the 3rd original solenoid directional control valve (121) by hand-operated direction valve (121a) and realizes patrolling for accident rotary motor Collect action;Check valve (142-1) and one way pressure-reducing valve (262-1), hand-operated direction valve are connected on the clutch oil cylinder respectively (121a) is connected with one way pressure-reducing valve (262-1) and hydraulic lock (382) respectively, by one way pressure-reducing valve (262-1) realize with from The corresponding logic servo antrol of clutch oil cylinder;It is connected with the 4th choke valve (301-1) on the motor internal contracting brake oil cylinder in turn, surges Reversal valve (109-1) and the first solenoid directional control valve (110-1), the 4th choke valve (301-1) respectively with the check valve (142-1) and hydraulic directional valve (109-1) are connected, and are realized and motor by check valve (142-1) and hydraulic directional valve (109-1) The 3rd choke valve (300), described are connected with the corresponding logic servo antrol of band-type brake oil cylinder, the hand-operated direction valve (121a) The first pressure-reducing valve (261-1) is connected with one solenoid directional control valve (110-1).
CN201510543065.5A 2015-08-28 2015-08-28 A kind of big bag accident turns round manual logic control hydraulic means Active CN105114378B (en)

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Publication number Priority date Publication date Assignee Title
CN105370881B (en) * 2015-12-07 2018-10-02 上海瑞迪汽车科技有限公司 A kind of two gear shift systems based on double-direction gearpump
CN112648366B (en) * 2020-12-31 2024-08-16 哈尔滨通用液压机械制造有限公司 Hydraulic control equipment and control method for clutch

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579566Y (en) * 2002-11-08 2003-10-15 刘联群 Large travel distance lift steel ladle rotary table
CN202411366U (en) * 2011-12-06 2012-09-05 武汉大西洋连铸设备工程有限责任公司 Steel ladle rotary table hydraulic accident driving device
CN202451649U (en) * 2011-12-05 2012-09-26 上海耀秦机电工程技术有限公司 Clutch type pneumatic transmission device
CN202894315U (en) * 2012-11-27 2013-04-24 圣力(福州)重工有限公司 Drive device for ladle turret
CN203044890U (en) * 2013-01-22 2013-07-10 湖北华远装备制造有限公司 Steel ladle revolving platform of continuous casting machine
CN203409243U (en) * 2013-06-13 2014-01-29 唐山渤海冶金设备有限责任公司 Hydraulic driving mechanism of linked ladle turret
CN205064413U (en) * 2015-08-28 2016-03-02 中国重型机械研究院股份公司 Manual logic control hydraulic means of big package accident gyration

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579566Y (en) * 2002-11-08 2003-10-15 刘联群 Large travel distance lift steel ladle rotary table
CN202451649U (en) * 2011-12-05 2012-09-26 上海耀秦机电工程技术有限公司 Clutch type pneumatic transmission device
CN202411366U (en) * 2011-12-06 2012-09-05 武汉大西洋连铸设备工程有限责任公司 Steel ladle rotary table hydraulic accident driving device
CN202894315U (en) * 2012-11-27 2013-04-24 圣力(福州)重工有限公司 Drive device for ladle turret
CN203044890U (en) * 2013-01-22 2013-07-10 湖北华远装备制造有限公司 Steel ladle revolving platform of continuous casting machine
CN203409243U (en) * 2013-06-13 2014-01-29 唐山渤海冶金设备有限责任公司 Hydraulic driving mechanism of linked ladle turret
CN205064413U (en) * 2015-08-28 2016-03-02 中国重型机械研究院股份公司 Manual logic control hydraulic means of big package accident gyration

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