CN202690590U - Multistage protection hydraulic device - Google Patents
Multistage protection hydraulic device Download PDFInfo
- Publication number
- CN202690590U CN202690590U CN 201220362010 CN201220362010U CN202690590U CN 202690590 U CN202690590 U CN 202690590U CN 201220362010 CN201220362010 CN 201220362010 CN 201220362010 U CN201220362010 U CN 201220362010U CN 202690590 U CN202690590 U CN 202690590U
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Abstract
The utility model discloses a multistage protection hydraulic device, comprising an oil tank, a first oil pumping component, a first energy storage control component, a first electromagnetic directional valve, an oil inlet throttle valve, a cylinder and an oil return throttle valve connected by virtue of a pipeline, wherein the device also comprises a second oil pumping component, a second energy storage control component, a second electromagnetic directional valve and a second unloading valve; the inlet of the second energy storage control component is connected with the oil tank; the outlet is connected with the outlet of the first oil pumping component, and the second energy storage control component is connected to an oil charging pipe between the second oil pumping component and the first electromagnetic directional valve. The device adopts dual hydraulic sources; one set of hydraulic device runs and the other set of hydraulic source is used for hot standby on the scene; once a fault is caused, the scene is immediately switched; a larger damage to the device caused by the staff from a control room to the scene of the device is avoided; the situation that a hydraulic device is not shut down is guaranteed; and two sets of energy accumulators, unloading valves, overflows valves and electromagnetic valves are provided, and can be arbitrarily switched in pairs to use and also can be combined to play a multistage protection role.
Description
Technical field
The utility model relates to a kind of hydraulic pressure installation, is specifically related to a kind of hydraulic pressure installation of multi-stage protection.
Background technique
24 way rotary valves are heart equipments of petrochemical plant; if 24 way rotary valves are in case shut down; all will stop with its relevant all devices, shut down one day, the chemical plant will be lost approximately 500,000 dollars; and hydraulic pressure installation is the corollary equipment of 24 way rotary valves; also be nucleus equipment, effect is the hydraulic oil that enough flows and oil pressure are provided to the hydraulic jack of 24 way rotary valves, drives the rotary valve action; be the power source of 24 way rotary valves, require to guarantee the long-term normal trouble-free operation of flow and oil pressure.
In the prior art; generally all be that two circuits systems share a unloading valve, a solenoid valve; and unloading valve and electromagnetic valve work are all more frequent, the most easily break down, in case break down; do not have other protective measure; can not on-line maintenance, can only shutdown maintenance, will bring heavy losses; this two cover system is a cover system in fact, can not switch use by two covers.
The model utility content
The utility model provides a kind of hydraulic pressure installation of multi-stage protection; this device adopts the biliquid potential source; one cover operation, another set of on-the-spot stand-by heat is in case break down; Context switches immediately; avoided personnel to cause larger infringement to device from the time at auto levelizer scene, control room, guaranteed that hydraulic pressure installation do not shut down, and accumulator, unloading valve, relief valve, solenoid valve all are two covers; can switch arbitrarily in twos use, multiple combination uses has multi-stage protection.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of hydraulic pressure installation of multi-stage protection comprises the fuel tank, the first pump oil assembly, the first unloading valve, the first accumulation of energy control unit, the first solenoid directional control valve, meter in valve, oil cylinder and the meter out valve that link to each other by pipeline; During oil-feed, hydraulic oil is delivered to oil cylinder through fuel tank, the first pump oil assembly, the first accumulation of energy control unit, the first solenoid directional control valve, meter in valve successively; During oil return, hydraulic oil flows out through meter out valve, the first solenoid directional control valve from oil cylinder gets back to fuel tank, is characterized in, this device also comprises: the second pump oil assembly, the second accumulation of energy control unit, the second solenoid directional control valve and the second unloading valve;
The import of described the second pump oil assembly links to each other with fuel tank, and its outlet links to each other with the outlet of the first pump oil assembly;
Described the second accumulation of energy control unit is connected on the in-line between the second pump oil assembly and the first solenoid directional control valve;
Described the second solenoid directional control valve is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet; Described oil-feed import links to each other with the second accumulation of energy control unit interface and the outlet of the second pump oil assembly respectively; Described oil-feed outlet links to each other with the import of meter in valve; Described oil return import links to each other with the meter out valve outlet port; Described oil return outlet links to each other with fuel tank by return line;
Described the second unloading valve import links to each other with the outlet of the second pump oil assembly, and its outlet links to each other with the second accumulation of energy control unit.
Described the first solenoid directional control valve is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet.
Described the second pump oil assembly comprises the second oil absorption filter, the second vane pump, the second relief valve, the second pressure gauge and the second motor;
Described the second oil absorption filter, the second vane pump and the second relief valve link to each other successively by pipeline;
Described the second oil absorption filter import links to each other with fuel tank;
Described the second pressure gauge links to each other with the second relief valve;
Described the second motor links to each other with the second vane pump by coupling.
Described the second accumulation of energy control unit comprises the second accumulation of energy control valve group and the second accumulator; Described the second accumulator and the second accumulation of energy control valve group wherein an interface link to each other, and described the second accumulation of energy control valve group links to each other with the outlet of the second unloading valve by pipeline.
This device also comprises the oil return cooling package;
Described oil return cooling package comprises column tube oil cooler, water filter and return filter;
Described return filter filler opening links to each other with the first unloading valve unloading port, the second unloading valve unloading port, the first solenoid directional control valve oil return outlet and the second solenoid directional control valve oil return outlet by pipeline respectively;
Described column tube oil cooler filler opening links to each other with the return filter outlet by pipeline, its oil outlet links to each other with fuel tank, the water intake of this column tube oil cooler links to each other with water filter, outside cooling water is through the water intake of water filter, column tube oil cooler, after the cooling liquid force feed, from the water outlet outflow of column tube oil cooler.
This device also comprises hand-operated direction valve, and described hand-operated direction valve is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet;
The oil-feed import of described hand-operated direction valve links to each other with described the first solenoid directional control valve oil-feed import and the second solenoid directional control valve oil-feed import respectively;
The oil-feed outlet of described hand-operated direction valve links to each other with described the first solenoid directional control valve oil-feed outlet and the second solenoid directional control valve oil-feed outlet respectively;
The oil return import of described hand-operated direction valve links to each other with described the first solenoid directional control valve oil return import and the second solenoid directional control valve oil return import respectively;
The oil return outlet of described hand-operated direction valve links to each other with described the first solenoid directional control valve oil return outlet, the second solenoid directional control valve oil return outlet and return filter filler opening respectively.
The hydraulic pressure installation of the utility model multi-stage protection compared with prior art has the following advantages:
The utility model is owing to adopting the biliquid potential source, and a cover moves, and another set of on-the-spot stand-by heat in case break down, has avoided personnel to cause larger infringement from the time at auto levelizer scene, control room to device, and the assurance hydraulic pressure installation is not shut down.
The utility model is owing to being equipped with two cover accumulators, unloading valve, relief valve, solenoid valve; Can switch arbitrarily in twos use, multiple combination uses has multi-stage protection.
Description of drawings
Fig. 1 is the schematic diagram of the hydraulic pressure installation of the utility model multi-stage protection.
Embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of hydraulic pressure installation of multi-stage protection comprises the fuel tank 1, the first pump oil assembly, the first unloading valve 8, the first accumulation of energy control unit, the first solenoid directional control valve 4, meter in valve 5, oil cylinder 6 and the meter out valve 7 that link to each other by pipeline; During oil-feed, hydraulic oil is delivered to oil cylinder 6 through fuel tank 1, the first pump oil assembly, the first accumulation of energy control unit, meter in valve 5 successively; During oil return, hydraulic oil flows out through meter out valve 7, the first solenoid directional control valve 4 from oil cylinder 6 gets back to fuel tank 1.Described the first unloading valve 8 also is provided with unloading port, and this unloading port links to each other with fuel tank 1 return line.
The first pump oil assembly comprises the first oil absorption filter 21, the first vane pump 22, the first relief valve 23, the first pressure gauge 24 and the first motor 25; Described the first oil absorption filter 21, the first vane pump 22 and the first relief valve 23 link to each other successively by pipeline; 21 imports of described the first oil absorption filter link to each other with fuel tank 1; Described the first pressure gauge 24 links to each other with the first relief valve 23; Described the first motor 25 links to each other with the first vane pump 22 by coupling.
The first accumulation of energy control unit comprises the first accumulation of energy control valve group 31 and the first accumulator 32; Described the first accumulator 32 and the first accumulation of energy control valve group 31 wherein an interface link to each other, and described the first accumulator control valve group 31 links to each other with 8 outlets of the first unloading valve by pipeline.
Described the first solenoid directional control valve 4 is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet.
This device also comprises: the second pump oil assembly, the second accumulation of energy control unit, the second solenoid directional control valve 11 and the second unloading valve 12;
9 imports of described the second pump oil assembly link to each other with fuel tank 1, and its outlet links to each other with 2 outlets of the first pump oil assembly;
Described the second accumulation of energy control unit is connected on the in-line between the second pump oil assembly and the first solenoid directional control valve 4;
Described the second solenoid directional control valve 11 is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet; Described oil-feed import links to each other with the second accumulation of energy control unit interface and the outlet of the second pump oil assembly respectively; Described oil-feed outlet links to each other with 5 imports of meter in valve; Described oil return import links to each other with 7 outlets of meter out valve; Described oil return outlet links to each other with fuel tank 1 by return line.
12 imports of described the second unloading valve link to each other with the outlet of the second pump oil assembly, and its outlet links to each other with the outlet of the second accumulation of energy control unit, and this second unloading valve 12 also is provided with unloading port, and described unloading port links to each other with the tank drainback pipeline.
Described the second pump oil assembly comprises the second oil absorption filter 91, the second vane pump 92, the second relief valve 93, the second pressure gauge 94 and the second motor 95;
Described the second oil absorption filter 91, the second vane pump 92 and the second relief valve 93 link to each other successively by pipeline;
91 imports of described the second oil absorption filter link to each other with fuel tank 1;
93 outlets of described the second relief valve link to each other with 23 outlets of the first relief valve;
Described the second pressure gauge 94 is installed on the second relief valve 93.
Described the second motor 95 links to each other with the second vane pump 92 by coupling.
Described the second accumulation of energy control unit 10 comprises the second accumulation of energy control valve group 101 and the second accumulator 102; Described the second accumulator 102 and the second accumulation of energy control valve group 101 wherein an interface link to each other, and described the second accumulation of energy control valve group 102 links to each other with 12 outlets of the second unloading valve by pipeline.
The interface that the second accumulation of energy control valve group 102 and the first accumulation of energy control valve group 31 link to each other with in-line also links to each other with a pressure transmitter 17 simultaneously.
This device also comprises oil return cooling package 13, described oil return cooling package comprises column tube oil cooler 131, water filter 132 and return filter 133, and described return filter 133 filler openings link to each other with the first unloading valve 8 unloading ports, the second unloading valve 12 unloading ports, the first solenoid directional control valve 4 oil returns outlet and the second solenoid directional control valve 11 oil returns outlet unloading port by pipeline respectively; Described column tube oil cooler 131 filler openings link to each other with return filter 133 outlets by pipeline, its oil outlet links to each other with fuel tank 1, the water intake of this column tube oil cooler 131 links to each other with water filter 132, outside cooling water is through the water intake of water filter 132, column tube oil cooler 131, after the cooling liquid force feed, from the water outlet outflow of column tube oil cooler 131; Hand-operated direction valve 14, described hand-operated direction valve 14 is respectively equipped with the oil-feed import, the oil-feed outlet, oil return import and oil return outlet, the oil-feed import of described hand-operated direction valve 14 links to each other with the 4 oil-feed imports of described the first solenoid directional control valve and the 11 oil-feed imports of the second solenoid directional control valve respectively, the oil-feed outlet of described hand-operated direction valve 14 links to each other with described the first solenoid directional control valve 4 oil-feeds outlet and the second solenoid directional control valve 11 oil-feeds outlet respectively, the oil return import of described hand-operated direction valve 14 links to each other with the 4 oil return imports of described the first solenoid directional control valve and the 11 oil return imports of the second solenoid directional control valve respectively, and the oil return outlet of described hand-operated direction valve 14 exports with described the first solenoid directional control valve 4 oil returns respectively, the 11 oil return outlets of the second solenoid directional control valve and return filter 133 filler openings link to each other.
The utility model also comprises ultrasonic liquid level switch 15 and the hydraulic air filter 16 that is installed on the fuel tank 1.
In addition, the utility model also is equipped with the elements such as several ball valves, one-way valve and pressure gauge, and detailed Placement sees also Fig. 1.
As shown in Figure 1, during every day use, the second accumulation of energy control unit 10, the second solenoid directional control valve 11 and the second unloading valve 12 are as for subsequent use, the first vane pump 22 with hydraulic oil from fuel tank 1 interior extraction, enter into the first accumulation of energy control valve group 31, in the first accumulator 32, when 32 accumulation of energys of the first accumulator reach setting value, the first unloading valve 8 cutting-off liquid force feeds enter the pipeline of the first accumulator 32, and shed simultaneously the pressure in the first vane pump 22 outlet ports, the first accumulator 32 discharges compression energy, hydraulic oil is sent to the first solenoid directional control valve 4 successively after supercharging, meter in valve 5 and oil cylinder 6, thereby promote 24 way rotary valve steppings, during oil return, hydraulic oil is through meter out valve 7, the 4 oil return imports of the first solenoid directional control valve, the first solenoid directional control valve 4 oil returns outlet, return filter 133 and tube type oil cooler 131 are got back to fuel tank 1.Pressure switch is when the force value that the first accumulator 32 pressure drops are set to low pressure alarming, alarm signal is provided, in order in time switch to another set of oil supply loop for subsequent use, namely use the second pump oil assembly, the second accumulation of energy control unit, the second solenoid directional control valve 11 and the second unloading valve 12 oil supply loops; Then can repair or replace the element that damages online.Hand-operated direction valve, the first solenoid directional control valve, the second solenoid directional control valve are directly controlled the expanding-contracting action of oil cylinder, reach the purpose that drives 24 way rotary valves.Further, the first accumulation of energy control valve group and the second accumulation of energy control valve group, the first accumulation of energy control unit and the second accumulation of energy control unit, the first solenoid directional control valve 4 and the second solenoid directional control valve 11, and also can switch in twos between the first unloading valve 8 and the second unloading valve 12.
In sum; the utility model provides a kind of hydraulic pressure installation of multi-stage protection, and this device adopts the biliquid potential source, a cover operation; another set of on-the-spot stand-by heat; in case break down, Context switches has immediately avoided personnel to cause larger infringement to device from the time at auto levelizer scene, control room; the assurance hydraulic pressure installation is not shut down; and accumulator, unloading valve, relief valve, solenoid valve all are two covers, can switch arbitrarily in twos use, and multiple combination uses has multi-stage protection.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. the hydraulic pressure installation of a multi-stage protection comprises the fuel tank (1), the first pump oil assembly, the first unloading valve (8), the first accumulation of energy control unit, the first solenoid directional control valve (4), meter in valve (5), oil cylinder (6) and the meter out valve (7) that link to each other by pipeline; During oil-feed, hydraulic oil passes through successively fuel tank (1), the first pump oil assembly, the first accumulation of energy control unit, the first solenoid directional control valve (4), meter in valve (5) and delivers to oil cylinder (6); During oil return, hydraulic oil flows out through meter out valve (7), the first solenoid directional control valve (4) from oil cylinder (6) gets back to fuel tank (1), it is characterized in that, this device also comprises: the second pump oil assembly, the second accumulation of energy control unit, the second solenoid directional control valve (11) and the second unloading valve (12);
The import of described the second pump oil assembly links to each other with fuel tank (1), and its outlet links to each other with the outlet of the first pump oil assembly;
Described the second accumulation of energy control unit is connected on the in-line between the second pump oil assembly and the first solenoid directional control valve (4);
Described the second solenoid directional control valve (11) is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet; Described oil-feed import links to each other with the second accumulation of energy control unit interface and the outlet of the second pump oil assembly respectively; Described oil-feed outlet links to each other with meter in valve (5) import; Described oil return import links to each other with meter out valve (7) outlet; Described oil return outlet links to each other with fuel tank (1) by return line;
Described the second unloading valve (12) import links to each other with the outlet of the second pump oil assembly, and its outlet links to each other with the second accumulation of energy control unit.
2. the hydraulic pressure installation of multi-stage protection as claimed in claim 1 is characterized in that, described the first solenoid directional control valve (4) is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet.
3. the hydraulic pressure installation of multi-stage protection as claimed in claim 2, it is characterized in that, described the second pump oil assembly comprises the second oil absorption filter (91), the second vane pump (92), the second relief valve (93), the second pressure gauge (94) and the second motor (95);
Described the second oil absorption filter (91), the second vane pump (92) and the second relief valve (93) link to each other successively by pipeline;
Described the second oil absorption filter (91) import links to each other with fuel tank (1);
Described the second pressure gauge (94) links to each other with the second relief valve (93);
Described the second motor (95) links to each other with the second vane pump (92) by coupling.
4. the hydraulic pressure installation of multi-stage protection as claimed in claim 3 is characterized in that, described the second accumulation of energy control unit comprises the second accumulation of energy control valve group (101) and the second accumulator (102); Described the second accumulator (102) and the second accumulation of energy control valve group (101) wherein an interface link to each other, and described the second accumulation of energy control valve group (101) links to each other with the second unloading valve (12) outlet by pipeline.
5. the hydraulic pressure installation of multi-stage protection as claimed in claim 4 is characterized in that, also comprises oil return cooling package (13);
Described oil return cooling package comprises column tube oil cooler (131), water filter (132) and return filter (133);
Described return filter (133) filler opening links to each other with the first unloading valve (8) unloading port, the second unloading valve (12) unloading port, the first solenoid directional control valve (4) oil return outlet and the second solenoid directional control valve (11) oil return outlet by pipeline respectively;
Described column tube oil cooler (131) filler opening links to each other with return filter (133) outlet by pipeline, its oil outlet links to each other with fuel tank (1), the water intake of this column tube oil cooler (131) links to each other with water filter (132), outside cooling water is through the water intake of water filter (132), column tube oil cooler (131), after the cooling liquid force feed, from the water outlet outflow of column tube oil cooler (131).
6. the hydraulic pressure installation of multi-stage protection as claimed in claim 2 is characterized in that, also comprises hand-operated direction valve, and described hand-operated direction valve (14) is respectively equipped with oil-feed import, oil-feed outlet, oil return import and oil return outlet;
The oil-feed import of described hand-operated direction valve (14) links to each other with described the first solenoid directional control valve (4) oil-feed import and the second solenoid directional control valve (11) oil-feed import respectively;
The oil-feed outlet of described hand-operated direction valve (14) links to each other with described the first solenoid directional control valve (4) oil-feed outlet and the second solenoid directional control valve (11) oil-feed outlet respectively;
The oil return import of described hand-operated direction valve (14) links to each other with described the first solenoid directional control valve (4) oil return import and the second solenoid directional control valve (11) oil return import respectively;
The oil return outlet of described hand-operated direction valve (14) links to each other with described the first solenoid directional control valve (4) oil return outlet, the second solenoid directional control valve (11) oil return outlet and return filter (133) filler opening respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362010 CN202690590U (en) | 2012-07-25 | 2012-07-25 | Multistage protection hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362010 CN202690590U (en) | 2012-07-25 | 2012-07-25 | Multistage protection hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690590U true CN202690590U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362010 Expired - Lifetime CN202690590U (en) | 2012-07-25 | 2012-07-25 | Multistage protection hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573754A (en) * | 2012-07-25 | 2014-02-12 | 上海浦东汉威阀门有限公司 | Multistage-protection hydraulic device |
| CN104454706A (en) * | 2014-12-08 | 2015-03-25 | 西南铝业（集团）有限责任公司 | Hydraulic control system for semi-continuous casting speed |
| CN108799256A (en) * | 2018-08-24 | 2018-11-13 | 油威力液压科技股份有限公司 | Recoil explosion-proof flow cut-out valve group |
-
2012
- 2012-07-25 CN CN 201220362010 patent/CN202690590U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573754A (en) * | 2012-07-25 | 2014-02-12 | 上海浦东汉威阀门有限公司 | Multistage-protection hydraulic device |
| CN104454706A (en) * | 2014-12-08 | 2015-03-25 | 西南铝业（集团）有限责任公司 | Hydraulic control system for semi-continuous casting speed |
| CN108799256A (en) * | 2018-08-24 | 2018-11-13 | 油威力液压科技股份有限公司 | Recoil explosion-proof flow cut-out valve group |
| CN108799256B (en) * | 2018-08-24 | 2023-12-29 | 油威力液压科技股份有限公司 | Backflushing explosion-proof flow cut-off valve group |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |