CN105626609A - Hydraulic control system of ship unloading machine - Google Patents
Hydraulic control system of ship unloading machine Download PDFInfo
- Publication number
- CN105626609A CN105626609A CN201511035142.2A CN201511035142A CN105626609A CN 105626609 A CN105626609 A CN 105626609A CN 201511035142 A CN201511035142 A CN 201511035142A CN 105626609 A CN105626609 A CN 105626609A
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- valve
- oil
- hydraulic
- hydraulic pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic control system of a ship unloading machine. A motor and a hydraulic pump are mounted at the lower part of an oil tank; an air filter and a cooling filter are mounted on the oil tank; an energy accumulator is mounted on one side of the oil tank; an inlet of the hydraulic pump is connected with the oil tank via a compensator; a hydraulic pump discharge pipeline is divided into three ways after being connected with a third one-way valve: the first way is connected with the energy accumulator by a safety valve, the second way is connected with a hopper turning cylinder of the ship unloading machine by a first electromagnetic reversing valve, a first one-way valve and a first throttling valve, and the third way is connected with a hopper box opening/closing hydraulic cylinder of the ship unloading machine by a pressure relief valve, a second electromagnetic reversing valve, a second one-way valve and a second throttling valve; and an energy accumulator discharge pipeline is respectively connected with oil return ports and oil return pipelines of the first electromagnetic valve and the second electromagnetic reversing valve. The hydraulic system integrates the air filter, the motor pump set and the cooling filter on the oil tank, and only leaves a pair of oil access ports in a loop to reduce the hydraulic resistance; and the pressure relief valve is arranged on a hopper box opening/closing hydraulic loop to improve the safety of the loop.
Description
Technical field
The present invention relates to field of hydraulic control, particularly relate to a kind of ship unloaders hydraulic control system.
Background technology
In ship unloaders discharge process, it is necessary to open or close hopper box and stir hopper, these discharging actions are realized by hydraulic control system. In existing ship unloaders hydraulic control system, air filter, electric-motor pump group and cooling filter are completely self-contained, thus very inconvenient when installing, 6 connectors to be left, not only increase the workload of installation, too increase power attenuation. It addition, pressure overload phenomenon often occurs in opening and closing hydraulic cylinder, reduce the safety in loop.
Summary of the invention
It is an object of the invention to provide a kind of easy for installation, integrated form ship unloaders hydraulic control system that safety is higher.
For this, technical scheme is as follows:
A kind of ship unloaders hydraulic control system, including fuel tank, motor, hydraulic pump, air filter and cooling filter, described motor and hydraulic pump are arranged on the bottom of fuel tank, and the two connects through shaft coupling; Described air filter and cooling filter are installed on fuel tank, and air filter connects the air inlet on fuel tank; In the side of fuel tank, accumulator is installed, the entrance of described hydraulic pump connects fuel tank through compensator, the discharge line of hydraulic pump is divided into three tunnels after connecting the 3rd check valve, wherein a road connects described accumulator through relief valve, one tunnel the 1st solenoid directional control valve, the 1st check valve and Section 1 stream valve connect the hopper stirring cylinder of ship unloaders, and an other road connects the hopper box opening and closing hydraulic cylinder of ship unloaders through air relief valve, the 2nd solenoid directional control valve, the 2nd check valve and Section 2 stream valve; The discharge line of described accumulator connects described 1st solenoid directional control valve, the oil return opening of the 2nd solenoid directional control valve and return line respectively, is provided with return filter on return line. Being also equipped with temperature relay and heater on described fuel tank, when in fuel tank, the temperature of oil is too low, the oil in fuel tank is heated by described heater; When in fuel tank, the temperature of oil is too high, the oil in fuel tank is cooled down, filters by described cooling filter.
Being also equipped with pressure measurement exhaust joint and Pressure gauge on pipeline between described 3rd check valve and hydraulic pump, the pipeline between the 3rd check valve and hydraulic pump is connected with return line through electromagnetic relief valve.
Being also equipped with electronic liquid level gauge on fuel tank, when the oil level in fuel tank reaches lower limit, oil supply system is fuel feeding in fuel tank described in trend.
Described hydraulic pump is plunger displacement pump, and described plunger displacement pump is rack-mount, is provided with coaming plate in the both sides of support, and described oil tank frame is located on described coaming plate.
Beneficial effects of the present invention is as follows:
1, the hydraulic system of the present invention is integrated form, and namely air filter, electric-motor pump group and cooling filter are all integrated on fuel tank, only leaves a pair oil inlet and outlet in the loop and gets final product normal operation, reduces flowed friction, save power.
2, on hopper box opening and closing liquid loop, it is provided with air relief valve, it is to avoid the pressure overload phenomenon often occurred during opening and closing hydraulic cylinder, improves the safety in loop.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the hydraulic system critical piece of the present invention;
Fig. 2 is the schematic diagram of the hydraulic system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the composition of the hydraulic system of the present invention is described in detail.
As depicted in figs. 1 and 2, the ship unloaders hydraulic control system of the present invention includes: fuel tank 2, motor 14, hydraulic pump 15, air filter 7 and cooling filter 9. Motor 14 and hydraulic pump 15 are arranged on the bottom of fuel tank 2, and the two connects through shaft coupling; Air filter 7 and cooling filter 9 are installed on fuel tank 2, and air filter 7 connects the air inlet on fuel tank 2; In the side of fuel tank 2, accumulator 22 is installed, the entrance of hydraulic pump 15 connects fuel tank 2 through compensator 12, the discharge line of hydraulic pump 15 is divided into three tunnels after connecting the 3rd check valve, wherein a road connects accumulator 22 through relief valve 21, one tunnel the 1st solenoid directional control valve the 23, the 1st check valve 24 and Section 1 stream valve 25 connect the hopper stirring cylinder of ship unloaders, and another road connects the hopper box opening and closing hydraulic cylinder of ship unloaders through air relief valve the 29, the 2nd solenoid directional control valve the 26, the 2nd unidirectional 27 and Section 2 stream valve. The discharge line of accumulator 22 connects oil return inlet T and the return line of described 1st solenoid directional control valve the 23, the 2nd solenoid directional control valve 26 respectively, is provided with return filter 10 on return line.
Being also equipped with temperature relay 3 and heater 6 on fuel tank 2, when in fuel tank 2, the temperature of oil is too low, the oil in fuel tank is heated by heater 6; When in fuel tank, the temperature of oil is too high, the oil in fuel tank is cooled down, filters by cooling filter 9.
Being also equipped with pressure measurement exhaust joint and Pressure gauge on pipeline between described 3rd check valve and hydraulic pump 15, the pipeline between the 3rd check valve and hydraulic pump 15 is connected with return line through electromagnetic relief valve 16.
Being also equipped with electronic liquid level gauge 8 on fuel tank 2, when the oil level in fuel tank reaches lower limit, oil supply system is fuel feeding in trend fuel tank 2.
Described hydraulic pump 15 is plunger displacement pump, and plunger displacement pump 15 is arranged on support 30, is provided with coaming plate 31 in the both sides of support, and fuel tank 2 is erected on coaming plate 31.
Referring to Fig. 2, fuel tank 2 is provided with 4 temperature control point FT1-4, at low temperature alarm, heater 6 can be started by temperature relay 3; At high temperature alarm and open cooler filter, so that the oil temperature in fuel tank 2 keeps within the specific limits.
In hydraulic pump 15 oil supply process, cleaned air can be passed in fuel tank by air filter 7, it is ensured that the pressure stability in fuel tank.
Claims (5)
1. a ship unloaders hydraulic control system, including fuel tank, motor, hydraulic pump, air filter and cooling filter, it is characterised in that: described motor and hydraulic pump are arranged on the bottom of fuel tank, and the two connects through shaft coupling; Described air filter and cooling filter are installed on fuel tank, and air filter connects the air inlet on fuel tank; In the side of fuel tank, accumulator is installed, the entrance of described hydraulic pump connects fuel tank through compensator, the discharge line of hydraulic pump is divided into three tunnels after connecting the 3rd check valve, wherein a road connects described accumulator through relief valve, one tunnel the 1st solenoid directional control valve, the 1st check valve and Section 1 stream valve connect the hopper stirring cylinder of ship unloaders, and an other road connects the hopper box opening and closing hydraulic cylinder of ship unloaders through air relief valve, the 2nd solenoid directional control valve, the 2nd check valve and Section 2 stream valve; The discharge line of described accumulator connects described 1st solenoid directional control valve, the oil return opening of the 2nd solenoid directional control valve and return line respectively, is provided with return filter on return line.
2. ship unloaders hydraulic control system according to claim 1, it is characterised in that: being also equipped with temperature relay and heater on described fuel tank, when in fuel tank, the temperature of oil is too low, the oil in fuel tank is heated by described heater; When in fuel tank, the temperature of oil is too high, the oil in fuel tank is cooled down, filters by described cooling filter.
3. ship unloaders hydraulic control system according to claim 1, it is characterized in that: being also equipped with pressure measurement exhaust joint and Pressure gauge on the pipeline between described 3rd check valve and hydraulic pump, the pipeline between the 3rd check valve and hydraulic pump is connected with return line through electromagnetic relief valve.
4. ship unloaders hydraulic control system according to claim 1, it is characterised in that: being also equipped with electronic liquid level gauge on fuel tank, when the oil level in fuel tank reaches lower limit, oil supply system is fuel feeding in fuel tank described in trend.
5. the ship unloaders hydraulic control system according to any one of claim 1-4, it is characterised in that: described hydraulic pump is plunger displacement pump, and described plunger displacement pump is rack-mount, is provided with coaming plate in the both sides of support, and described oil tank frame is located on described coaming plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035142.2A CN105626609A (en) | 2015-12-31 | 2015-12-31 | Hydraulic control system of ship unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035142.2A CN105626609A (en) | 2015-12-31 | 2015-12-31 | Hydraulic control system of ship unloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105626609A true CN105626609A (en) | 2016-06-01 |
Family
ID=56041846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511035142.2A Pending CN105626609A (en) | 2015-12-31 | 2015-12-31 | Hydraulic control system of ship unloading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626609A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4267750B2 (en) * | 1999-04-14 | 2009-05-27 | 三井造船株式会社 | Continuous unloader |
| CN203374543U (en) * | 2013-07-19 | 2014-01-01 | 滁州市科林机械制造厂 | Hydraulic power pack of roller head machine |
| CN203627346U (en) * | 2013-11-25 | 2014-06-04 | 南通力威机械有限公司 | Five-in-one hydraulic system winch |
| CN203624894U (en) * | 2013-11-25 | 2014-06-04 | 南通力威机械有限公司 | Two-in-one hydraulic system for winch |
| CN203922520U (en) * | 2014-03-19 | 2014-11-05 | 安徽工程大学 | A kind of control setup of heave compensator |
| CN203926228U (en) * | 2014-04-25 | 2014-11-05 | 上海工程技术大学 | A kind of compact hydraulic station |
| CN104632788A (en) * | 2014-12-30 | 2015-05-20 | 大连维乐液压制造有限公司 | Stepping mechanism hydraulic station |
| CN204878100U (en) * | 2015-06-12 | 2015-12-16 | 中国建筑股份有限公司 | Hydraulic pressure syncmotor formula hydraulic control platform |
| CN205260458U (en) * | 2015-12-31 | 2016-05-25 | 天津市欧曼液压装备***工程有限公司 | Ship unloaders hydraulic control system |
-
2015
- 2015-12-31 CN CN201511035142.2A patent/CN105626609A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4267750B2 (en) * | 1999-04-14 | 2009-05-27 | 三井造船株式会社 | Continuous unloader |
| CN203374543U (en) * | 2013-07-19 | 2014-01-01 | 滁州市科林机械制造厂 | Hydraulic power pack of roller head machine |
| CN203627346U (en) * | 2013-11-25 | 2014-06-04 | 南通力威机械有限公司 | Five-in-one hydraulic system winch |
| CN203624894U (en) * | 2013-11-25 | 2014-06-04 | 南通力威机械有限公司 | Two-in-one hydraulic system for winch |
| CN203922520U (en) * | 2014-03-19 | 2014-11-05 | 安徽工程大学 | A kind of control setup of heave compensator |
| CN203926228U (en) * | 2014-04-25 | 2014-11-05 | 上海工程技术大学 | A kind of compact hydraulic station |
| CN104632788A (en) * | 2014-12-30 | 2015-05-20 | 大连维乐液压制造有限公司 | Stepping mechanism hydraulic station |
| CN204878100U (en) * | 2015-06-12 | 2015-12-16 | 中国建筑股份有限公司 | Hydraulic pressure syncmotor formula hydraulic control platform |
| CN205260458U (en) * | 2015-12-31 | 2016-05-25 | 天津市欧曼液压装备***工程有限公司 | Ship unloaders hydraulic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202546218U (en) | Lubricating oil constant temperature system of air compressor | |
| CN102619549B (en) | Pressure-adjustable mine high- and low-pressure water energy exchange system | |
| CN206234174U (en) | A kind of fluid pressure drive device | |
| CN105781961A (en) | Process pump unit machine seal cooling water circulation reuse device and application method thereof | |
| CN102588391A (en) | Independent cooling and filtering system for hydraulic station | |
| CN102287524B (en) | Speed reducer lubrication system | |
| CN205260458U (en) | Ship unloaders hydraulic control system | |
| CN105350501B (en) | Have and make a concession ice power hydraulic-driven movable dam control system | |
| CN202613006U (en) | Lubricating oil injection system | |
| CN105626609A (en) | Hydraulic control system of ship unloading machine | |
| CN105756130A (en) | Bearing bush constant-temperature water supply system | |
| CN103140654A (en) | Hydraulic preheating apparatus for hydraulic oil coolers in a large hydraulic excavator | |
| CN202531209U (en) | Mining high-low pressure water energy exchange system capable of adjusting pressure | |
| CN204704187U (en) | Overload unloading valve | |
| CN201747803U (en) | Bearing cooler | |
| CN210484259U (en) | Hydraulic oil supply system capable of being switched in opening and closing mode | |
| CN202381669U (en) | Cooling device for pre-pressing speed reducing machine | |
| CN207774731U (en) | Car puller full hydraulic drive lifts arm system | |
| CN202274075U (en) | Cooling device used for reduction gearbox of scrapper conveyor | |
| CN107165632B (en) | Novel connection mode's entry driving machine water system | |
| CN206889379U (en) | A kind of angle-bender hydraulic pressure plug-in integrated package | |
| CN206917952U (en) | A kind of closed type hydraulic system of development machine | |
| CN205478266U (en) | Exit connection structure of pump body | |
| CN205580046U (en) | Water cooling treatment system | |
| CN204661245U (en) | A kind of hydraulic lifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |