CN105114378A - Bale accident rotation manual logic control hydraulic device - Google Patents
Bale accident rotation manual logic control hydraulic device Download PDFInfo
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- CN105114378A CN105114378A CN201510543065.5A CN201510543065A CN105114378A CN 105114378 A CN105114378 A CN 105114378A CN 201510543065 A CN201510543065 A CN 201510543065A CN 105114378 A CN105114378 A CN 105114378A
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Abstract
The invention discloses a bale accident rotation manual logic control hydraulic device which comprises a motor brake cylinder, a clutch cylinder and an accident rotary motor. An original third magnetic exchange valve is replaced with a manual reversing valve, and a logical action of the accident rotary motor is achieved; by means of a one-way pressure-reducing valve, follow-up control corresponding to the clutch cylinder is achieved; by means of a one-way valve and a hydraulic change-over valve, the follow-up control corresponding to the motor brake cylinder is achieved. According to the bale accident rotation manual logic control hydraulic device, an existing hydraulic loop control device can be transformed into a manual logic control hydraulic loop device without additionally increasing the cost by increasing and choosing part of valves; after a loop is improved, weak links in original control are solved; by means of the bale accident rotation manual logic control hydraulic device, functions of existing technologies can be completely achieved, links which can cause faults easily are abandoned, and the device is simple, reliable and practical.
Description
Technical field
The present invention relates to field of metallurgy, specifically a kind of large bag accident turns round manual logic control hydraulic pressure installation.
Background technique
The large bag accident of current casting machine turns round casting machine standard configuration equipment on Cheng Xin, the effect of this equipment is when there is emergency in casting cycle, as all main pumps quit work, large bag motor revolution is out of order, technological requirement must forward security incident bag position to by wrapping greatly, the pressure oil of the accident accumulator storage that this equipment utilization is special is that the ladle that molten steel is housed is rotated to accident bag position by technological requirement speed, the safety of personnel and equipment on protecting platform by driving force; This equipment controls pivotal mode two kinds substantially: pneumatic rotary and hydraulic gyration, the former is due to bulky, cost height seldom adopts, the large bag accident revolution of most casting machine all adopts the latter, as shown in Figure 1, for the structure principle chart of existing large bag accident revolution hydraulic control device, the control mode of hydraulic gyration maturation controls the pivotal technological action of accident by the power on/off of electrical control some solenoid valves; The simple and reliable Application comparison of this mode is general, but there is a prerequisite: electromagnet and control cables must stand intact and could normally work, because casting machine platform operations environmental hazard is severe, electromagnet and cable belong to weak link again, therefore cable is easily caused to catch fire due to high-temperature baking, cable burns and causes accident, causes heavy losses.
Summary of the invention
A kind of simpler than electrical control, reliable, that operability more by force, does not additionally increase cost large bag accident is the object of the present invention is to provide to turn round manual logic control hydraulic pressure installation, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
A kind of large bag accident turns round manual logic control hydraulic pressure installation, comprise motor internal contracting brake oil cylinder, clutch oil cylinder and accident rotary motor, described accident rotary motor is connected with hydraulic lock and hand-operated direction valve in turn, and manually the logical action that the 3rd original solenoid directional control valve realizes accident rotary motor replaced by selector valve; Described clutch oil cylinder connects one-way valve and one way pressure-reducing valve respectively, and one way pressure-reducing valve is connected between hydraulic lock and hand-operated direction valve, realizes the logic servo antrol corresponding with clutch oil cylinder by one way pressure-reducing valve; Described motor internal contracting brake oil cylinder is connected with the 4th throttle valve, hydraulicchange-over valve and the first solenoid directional control valve in turn, described one-way valve is connected to the 4th between throttle valve and hydraulicchange-over valve, realizes the logic servo antrol corresponding with motor internal contracting brake oil cylinder by one-way valve and hydraulicchange-over valve.
As the further scheme of the present invention: described hand-operated direction valve is connected with the 3rd throttle valve.
As the present invention's further scheme: described first solenoid directional control valve is connected with the first reduction valve.
Compared with prior art, the invention has the beneficial effects as follows:
1, control loop is changed: by increasing, accepting or rejecting part valve member, do not need additionally to increase cost and just existing hydraulic circuit control device can be transformed into manual logic control circuit apparatus for hydraulic;
2, the weak link in original control is solved after circuit improvement: cable, electromagnet; Only need artificial Non-follow control 1 selector valve just can realize original technology and must work in coordination with the electric technological action that could realize of switching by the cable electromagnet controlled on 3 valve members;
3, this device possesses the function preventing misoperation, avoid security incident: when emergency appears in casting, the operator of each order of classes or grades at school is not same batch of personnel, to the use of this device operation differ establish a capital very familiar, if made mistakes in chaos hand-operated direction valve pulled wrong direction, principle can ensure this device is motionless, not rotate to the direction of mistake, only pull and large bag just can be driven to rotate by the correct direction of accident technological requirement to this device of direction, greatly improve Security.
4, this device can not only realize the function that prior art possesses completely, and given up easy causing trouble link (as cable get loose, break, electromagnet damage, electromagnet misoperation etc.), simple, reliable, practical.
Accompanying drawing explanation
Fig. 1 is the principle sketch of existing large bag accident revolution hydraulic control device.
Fig. 2 is principle sketch of the present invention.
In figure: 110-1-the first solenoid directional control valve; 110-2-the second solenoid directional control valve; 121-the three solenoid directional control valve; 261-1-the first reduction valve; 261-2-the second reduction valve; 371-1-first throttle valve; 371-2-second throttle; 281-bidirectional relief valve; 382-hydraulic lock; 300-the three throttle valve; 109-1-hydraulicchange-over valve; 142-1-one-way valve; 262-1-one way pressure-reducing valve; 121a-hand-operated direction valve; 301-1-the 4th throttle valve.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, existing large bag accident revolution hydraulic principle is as follows:
(take bale panoramic tables as reference when the large bag accident of needs is turned round clockwise, in a clockwise direction for technique allows direction when rotating under accident condition, counterclockwise forbid) technique requires that the electromagnet Y12 of the first solenoid directional control valve 110-1 is energized, system pressure oil enters clutch cylinder via the left position of the first solenoid directional control valve 110-1 by first throttle valve 371-1, promotes motor clutch sheet and engages with large bag swing pinion; Require that the Y20 electromagnet of the second solenoid directional control valve 110-2 is energized, in like manner system pressure oil enters motor internal contracting brake oil cylinder via the left position of the second solenoid directional control valve 110-2 by second throttle 371-2, and pushing motor band-type brake and large bag swing pinion unclamp simultaneously; Above two complete after, 3rd solenoid directional control valve 121 electromagnet Y13B is energized, the oily right position via the 3rd solenoid directional control valve 121 of system pressure enters accident rotary motor by hydraulic lock 382 and drives large bag to be rotated in a clockwise direction accident package location, the electromagnet Y13A of the 3rd solenoid directional control valve 121 can be allowed in debug process to be energized, large bag rotates in the counterclockwise direction, once debugging terminates, during actual accidents revolution, forbid that the 3rd solenoid directional control valve 121 electromagnet Y13A is energized; Completing this manufacturing process prerequisite is to guarantee that cable and each electromagnet stand intact, once have link to go wrong can not normally realize accident revolute function, causes great production accident.
Primary component function involved in Fig. 1 is as follows:
3rd solenoid directional control valve 121: obtained by left and right electromagnet in control loop, dead electricity drive the rotary motor of accident shown in Fig. 1 clockwise, turning anticlockwise;
3rd throttle valve 300: accident rotary motor shown in adjustment Fig. 1 is clockwise, the speed of turning anticlockwise;
Hydraulic lock 382: guarantee the rotary motor of accident shown in Fig. 1 solenoid directional control valve 121 must not electricity time transfixion;
Bidirectional relief valve 281: proterctive equipment plays safety effect in FIG;
First reduction valve 261-1, the second decompression 261-2: respectively the pressure oil entering clutch oil cylinder and motor internal contracting brake oil cylinder is reduced pressure in FIG, meet technological requirement;
First solenoid directional control valve 110-1: obtained by electromagnet, dead electricity drive clutch oil cylinder shown in Fig. 1 engage and unclamp action;
Second solenoid directional control valve 110-2: obtained by electromagnet, dead electricity drives the oil cylinder of motor internal contracting brake shown in Fig. 1 unclamp and hold action tightly;
First throttle valve 371-1, second throttle 371-2: to regulating, respective loop oil cylinder stretches out, retraction speed in FIG, meets technological requirement.
Refer to Fig. 2, in the embodiment of the present invention, a kind of large bag accident turns round manual logic control hydraulic pressure installation, comprise motor internal contracting brake oil cylinder, clutch oil cylinder and accident rotary motor, it is characterized in that, described accident rotary motor is connected with hydraulic lock 382 and hand-operated direction valve 121a in turn, hand-operated direction valve 121a is connected with the 3rd throttle valve 300, manually selector valve 121a replaces the logical action that the 3rd original solenoid directional control valve 121 realizes accident rotary motor; Described clutch oil cylinder connects respectively one-way valve 142-1 and one way pressure-reducing valve 262-1, one way pressure-reducing valve 262-1 is connected between hydraulic lock 382 and hand-operated direction valve 121a, realizes the logic servo antrol corresponding with clutch oil cylinder by one way pressure-reducing valve 262-1; Described motor internal contracting brake oil cylinder is connected with the 4th throttle valve 301-1, hydraulicchange-over valve 109-1 and the first solenoid directional control valve 110-1 in turn, first solenoid directional control valve 110-1 is connected with the first reduction valve 261-1, one-way valve 142-1 is connected between the 4th throttle valve 301-1 and hydraulicchange-over valve 109-1, realizes the logic servo antrol corresponding with motor internal contracting brake oil cylinder by one-way valve 142-1 and hydraulicchange-over valve 109-1.
The principle of this contrive equipment is as follows:
Commutation by means of only a hand-operated direction valve just can realize controlling the function achieved by 3 solenoid valve concerted actions by cable in prior art, the required actuator quantity driven of this technology and prior art is completely the same, (take bale panoramic tables as reference when the large bag accident of needs is turned round clockwise, in a clockwise direction for technique allows direction when rotating under accident condition, counterclockwise forbid) only need artificially manual hand-operated direction valve 121a to be pulled right position, namely manually the passage of the right position of selector valve 121a and valve block duct are divided into 3 tunnels to pressure oil, 1 tunnel enters clutch cylinder via one way pressure-reducing valve 262-1, promote motor clutch sheet to engage with large bag swing pinion, 1 tunnel enters motor internal contracting brake oil cylinder via one way pressure-reducing valve 262-1, one-way valve 142-1, and pushing motor band-type brake oil cylinder and large bag swing pinion unclamp, and therefore can reduce rate of fault, also do not need additionally to increase cost, 1 tunnel enters accident rotary motor via valve 240 and hydraulic lock 382, and drive motor is rotated in a clockwise direction.If because of carelessness hand-operated direction valve 121a is pulled left position during urgency, system also can ensure that motor can not be rotated counterclockwise, and keeps transfixion, can not cause great production accident, greatly improve safety coefficient.This device can not only realize the function that prior art possesses completely, and given up easy causing trouble medium tache (as cable get loose, break, electromagnet damage, electromagnet misoperation etc.), simple, reliable, practical.
Primary component function involved in Fig. 2 is as follows:
Hand-operated direction valve 121a: manually switching valve station drives the rotary motor of accident shown in Fig. 2 to turn round clockwise in control loop, and turning anticlockwise is forbidden in principle, in case lead to security incident;
3rd throttle valve 300: accident rotary motor shown in adjustment Fig. 2 is clockwise, the speed of turning anticlockwise;
Hydraulic lock 382: guarantee the rotary motor of accident shown in Fig. 2 solenoid directional control valve 121 must not electricity time transfixion;
Bidirectional relief valve 281: proterctive equipment plays safety effect in fig. 2;
First reduction valve 261-1: in fig. 2 the pressure oil entering motor internal contracting brake oil cylinder is reduced pressure, meet technological requirement;
First solenoid directional control valve 110-1: to be obtained by electromagnet, dead electricity holding tightly and unclamping action when driving the oil cylinder of motor internal contracting brake shown in Fig. 2 motor normally to turn round;
One way pressure-reducing valve 262-1, hydraulicchange-over valve 109-1: in fig. 2 when hand-operated direction valve 121a is manually switched to right working position, pressure oil is by the duct on valve block successively by above 3 valve members, and the engagement of driving clutch oil cylinder, motor internal contracting brake oil cylinder are unclamped, accident rotary motor is turned back to accident bag home clockwise.
The above NM element only helps out in systems in which, belongs to well-known components or the conventional means of the industry, does not describe one by one here.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any reference character in claim should be considered as the claim involved by limiting.
Claims (3)
1. a large bag accident turns round manual logic control hydraulic pressure installation, comprise motor internal contracting brake oil cylinder, clutch oil cylinder and accident rotary motor, it is characterized in that, described accident rotary motor is connected with hydraulic lock (382) and hand-operated direction valve (121a) in turn, manually the logical action that the 3rd original solenoid directional control valve (121) realizes accident rotary motor replaced by selector valve (121a); Described clutch oil cylinder connects respectively one-way valve (142-1) and one way pressure-reducing valve (262-1), one way pressure-reducing valve (262-1) is connected between hydraulic lock (382) and hand-operated direction valve (121a), realizes the logic servo antrol corresponding with clutch oil cylinder by one way pressure-reducing valve (262-1); Described motor internal contracting brake oil cylinder is connected with the 4th throttle valve (301-1), hydraulicchange-over valve (109-1) and the first solenoid directional control valve (110-1) in turn, described one-way valve (142-1) is connected between the 4th throttle valve (301-1) and hydraulicchange-over valve (109-1), realizes the logic servo antrol corresponding with motor internal contracting brake oil cylinder by one-way valve (142-1) with hydraulicchange-over valve (109-1).
2. large bag accident according to claim 1 turns round manual logic control hydraulic pressure installation, it is characterized in that, described hand-operated direction valve (121a) is connected with the 3rd throttle valve (300).
3. large bag accident according to claim 1 turns round manual logic control hydraulic pressure installation, it is characterized in that, described first solenoid directional control valve (110-1) is connected with the first reduction valve (261-1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510543065.5A CN105114378B (en) | 2015-08-28 | 2015-08-28 | A kind of big bag accident turns round manual logic control hydraulic means |
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| CN201510543065.5A CN105114378B (en) | 2015-08-28 | 2015-08-28 | A kind of big bag accident turns round manual logic control hydraulic means |
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| CN105114378A true CN105114378A (en) | 2015-12-02 |
| CN105114378B CN105114378B (en) | 2017-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370881A (en) * | 2015-12-07 | 2016-03-02 | 上海瑞迪汽车科技有限公司 | Two-gear shifting system based on two-way gear pump |
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| 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 |
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2015
- 2015-08-28 CN CN201510543065.5A patent/CN105114378B/en active Active
Patent Citations (7)
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370881A (en) * | 2015-12-07 | 2016-03-02 | 上海瑞迪汽车科技有限公司 | Two-gear shifting system based on two-way gear pump |
| 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 |
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| CN105114378B (en) | 2017-08-25 |
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