CN103206430A - Hydraulic pump station of cart machine - Google Patents
Hydraulic pump station of cart machine Download PDFInfo
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- CN103206430A CN103206430A CN 201210012095 CN201210012095A CN103206430A CN 103206430 A CN103206430 A CN 103206430A CN 201210012095 CN201210012095 CN 201210012095 CN 201210012095 A CN201210012095 A CN 201210012095A CN 103206430 A CN103206430 A CN 103206430A
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Abstract
The invention discloses a hydraulic pump station of a cart machine and relates to the hydraulic pump station. The hydraulic pump station comprises an oil tank component, wherein one side of the oil tank component is connected with two oil pumps; each oil pump is respectively connected with a motor; the output end of each oil pump is respectively connected with a first oil inlet pipe; the output end of each first oil inlet pipe is respectively connected with a valve group; the two valve groups are communicated; each valve group is also respectively connected with a front cavity oil pipe and a rear cavity oil pipe; the two valve groups are connected through a second oil-return header pipe; the second oil-return header pipe is connected with a first oil-return header pipe; the first oil-return header pipe is connected with an oil cooler; the output end of the oil cooler is connected with an oil-return filter through an oil pipe; and the oil-return filter is connected with the oil tank component. When one oil pump of a pump station system has a fault suddenly, a spare oil pump is directly started to work, the oil pump with the fault is directly repaired or replaced; and when the valves on one valve group of the pump station system have a fault, while an oil-inlet ball valve of the valve group with the fault is stopped, an oil-inlet ball valve of the spare valve group is manually started, and the normal work of the hydraulic pump station is not affected when the valve group with the fault is replaced.
Description
Technical field
The present invention relates to a kind of hydraulic power unit, relate in particular to a kind of car puller hydraulic power unit.
Background technique
The sintered ore chassis that the steel industry agglomerating plant uses is carried hydraulic power unit of the normal employing of running to drive a table oil cylinder and is made drive unit, but owing to adopt single oil pump and the control of single valve group, often because of certain valve fault on oil pump or the valve group or damage system's proper functioning is directly influenced produce and cause economic loss.
Summary of the invention
The objective of the invention is provides a kind of car puller hydraulic power unit in order to overcome the deficiencies in the prior art, customer service the defective that system can't proper functioning because of certain valve fault on oil pump or the valve group or when damaging.
The object of the present invention is achieved like this: the car puller hydraulic power unit, comprise fuel tank assembly, and a side of fuel tank assembly connects oil pump, oil pump connects motor, the output terminal of oil pump connects first oil inlet pipe, and the first oil inlet pipe output terminal connects the valve group, also connects ante-chamber oil pipe and back cavity oil pipe on the valve group; Described fuel tank assembly connects oil cooler outward, and the input end of oil cooler connects the first oil return house steward, and the output terminal of oil cooler connects the oil return filter cleaner by oil pipe, and the oil return filter cleaner is connected with described fuel tank assembly; Described oil pump is two, and motor is two, and first oil inlet pipe is two, and the valve group is two groups, and the ante-chamber oil pipe is two, and the back cavity oil pipe is two; Each oil pump is connected on the fuel tank assembly, each oil pump connects corresponding motor respectively, the output terminal of each oil pump connects corresponding first oil inlet pipe respectively, the output terminal of each first oil inlet pipe connects corresponding valve group respectively, two groups of valve groups are connected, each valve group is connected respectively on the fuel tank assembly, and each ante-chamber oil pipe and back cavity oil pipe are connected on the corresponding valve group; Connect by the second oil return house steward between two groups of valve groups, the described first oil return house steward is connected with the second oil return house steward away from an end of oil cooler.
Working principle of the present invention: driven by motor oil pump pressure oil output, through one-way valve, electromagnetic relief valve, regulating system working pressure to the rated pressure value.Connecting the commutation of arbitrary group of solenoid directional control valve during work stretches out oil cylinder or withdraw and reach the running conveying function of controlling sintering pallet.
An end-coil pressure oil of connecting arbitrary group of solenoid directional control valve according to working condition requirement during work enters an end of oil cylinder through high-pressure rubber pipe, and oil cylinder stretches out, and hydraulic oil is discharged from the oil cylinder the other end, flows back to fuel tank, realizes even quick-opening valve.Otherwise connect the other end coil oil cylinder withdrawal of solenoid directional control valve.
During pumping station system oil pump catastrophic failure, directly start emergency bearing oil pump work, the fault oil pump can directly overhaul or change.During the valve fault, closing fault valve group fuel inlet ball check valve is manually opened service valve group fuel inlet ball check valve simultaneously on the pumping station system valve group, does not influence the hydraulic power unit proper functioning when changing the defective valves group.
Described two groups of valve groups of the present invention comprise solenoid directional control valve respectively, the overlapping Double throttle check valve, stacking type hydraulic control check valve, second one-way valve and electromagnetic relief valve, also connect the first valve platform and the second valve platform on the described fuel tank assembly, two solenoid directional control valves, two overlapping Double throttle check valves and two stacking type hydraulic control check valves are separately positioned on the first valve platform, two second one-way valves and two electromagnetic relief valves are separately positioned on the second valve platform, connect second oil inlet pipe on the second valve platform, the output terminal of second oil inlet pipe connects two the 3rd oil inlet pipes by threeway, and the output terminal of every the 3rd oil inlet pipe is connected with the first valve platform by fuel inlet ball check valve respectively; Be connected with corresponding ante-chamber oil pipe by two fuel-displaced ball valves of ante-chamber on the described first valve platform, also be connected with corresponding back cavity oil pipe by two fuel-displaced ball valves of back cavity on the first valve platform; Also connecting two oil returns on the described first valve platform is in charge of, every oil return is in charge of and is connected two first one-way valves respectively, the oil return that the described second oil return house steward's a end is connected wherein between two first one-way valves is in charge of, the oil return that the second oil return house steward's the other end is connected between two other first one-way valve is in charge of, and the described first oil return house steward is in charge of away from the oil return that an end of oil cooler is connected wherein between two first one-way valves.
In order to be in due course energy is stored, the other first accumulator oil pipe that connects on second oil inlet pipe between the second valve platform and the threeway, connect the accumulator fuel inlet ball check valve on the first accumulator oil pipe, the other end of accumulator oil pipe connects the accumulator group, the other second accumulator oil pipe that connects on the first accumulator oil pipe between accumulator group and the accumulator fuel inlet ball check valve, connect the accumulator ball valve of draining the oil on the second accumulator oil pipe, the other end of the second accumulator oil pipe connects fuel tank assembly.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Among the figure, 1 solenoid directional control valve, 2 overlapping Double throttle check valves, 3 stacking type hydraulic control check valves, 4 first valve platforms, 5 first one-way valves, the fuel-displaced ball valve of 6 ante-chambers, 7 fuel inlet ball check valves, 8 first oil inlet pipes, the fuel-displaced ball valve of 9 back cavities, 10 oil pumps, 11 motors, 12 oil coolers, 13 fuel tank assemblies, 14 electromagnetic relief valves, 15 second valve platforms, 16 second one-way valves, 17 accumulator groups, 18 oil return filter cleaners, 19 accumulator fuel inlet ball check valves, the 20 accumulators ball valve of draining the oil, 21 first accumulator oil pipes, 22 second accumulator oil pipes, 23 first oil return house stewards, 24 second oil inlet pipes, 25 second oil return house stewards, 26 oil returns are in charge of, 27 the 3rd oil inlet pipes, 28 ante-chamber oil pipes, 29 ante-chamber main oil pipes, 30 back cavity oil pipes, 31 back cavity main oil pipes, 32 threeways.
Embodiment
As Fig. 1,2, shown in 3, be the car puller hydraulic power unit, comprise fuel tank assembly 13, connect the first valve platform 4 and the second valve platform 15 on the fuel tank assembly 13, connect two ante-chamber oil pipes 28 on the first valve platform 4, two back cavity oil pipes 30, two solenoid directional control valves 1, two overlapping Double throttle check valves 2 and two stacking type hydraulic control check valves 3, connect the fuel-displaced ball valve 6 of ante-chamber on the every ante-chamber oil pipe 28 respectively, connect the fuel-displaced ball valve 9 of back cavity on the every back cavity oil pipe 30 respectively, two ante-chamber oil pipes 28 connect 29, two back cavity oil pipes 30 of ante-chamber main oil pipe by threeway and connect back cavity main oil pipe 31 by threeway.Connect two second one-way valves 16 and two electromagnetic relief valves 14 on the second valve platform 15.
One side of fuel tank assembly 13 connects two table oil pumps 10, every table oil pump 10 connects motor 11 respectively, the output terminal of every table oil pump 10 connects first oil inlet pipe 8, the output terminal of every first oil inlet pipe 8 is connected with the second valve platform 15 respectively, connect second oil inlet pipe 24 on the second valve platform 15, the output terminal of second oil inlet pipe 24 connects two the 3rd oil inlet pipes 27 by threeway 32, the output terminal of every the 3rd oil inlet pipe 27 is connected with the first valve platform 4 by fuel inlet ball check valve 7 respectively, the other first accumulator oil pipe 21 that connects on second oil inlet pipe 24 between the second valve platform 15 and the threeway 32, connect accumulator fuel inlet ball check valve 19 on the first accumulator oil pipe 21, the other end of accumulator oil pipe 21 connects accumulator group 17, the other second accumulator oil pipe 22 that connects on the first accumulator oil pipe 21 between accumulator group 17 and the accumulator fuel inlet ball check valve 19, connect the drain the oil the other end of ball valve 20, the second accumulator oil pipes 22 of accumulator on the second accumulator oil pipe 22 and connect fuel tank assembly 13.
Also connect two oil returns on the first valve platform 4 and be in charge of 26, every oil return is in charge of and is connected two first one-way valves 5 on 26 respectively, two first oil returns are in charge of 26 by the second oil return house steward, 25 connections, the second oil return house steward's 25 a end is arranged on wherein an oil return and is in charge of between two first one-way valves 5 of 26, the second oil return house steward's 25 the other end is arranged on another root oil return and is in charge of between two first one-way valves 5 of 26, wherein the oil return between two first one-way valves 5 is in charge of and otherly on 26 is met the first oil return house steward 23, the first oil return house steward's 23 output terminal connects oil cooler 12, the output terminal of oil cooler 12 connects oil return filter cleaner 18 by oil pipe, and oil return filter cleaner 18 is connected with fuel tank assembly 13.
Claims (3)
1. the car puller hydraulic power unit comprises fuel tank assembly, and a side of fuel tank assembly connects oil pump, and oil pump connects motor, and the output terminal of oil pump connects first oil inlet pipe, and the first oil inlet pipe output terminal connects the valve group, also connects ante-chamber oil pipe and back cavity oil pipe on the valve group; Described fuel tank assembly connects oil cooler outward, and the input end of oil cooler connects the first oil return house steward, and the output terminal of oil cooler connects the oil return filter cleaner by oil pipe, and the oil return filter cleaner is connected with described fuel tank assembly; It is characterized in that: described oil pump is two, and motor is two, and first oil inlet pipe is two, and the valve group is two groups, and the ante-chamber oil pipe is two, and the back cavity oil pipe is two; Each oil pump is connected on the fuel tank assembly, each oil pump connects corresponding motor respectively, the output terminal of each oil pump connects corresponding first oil inlet pipe respectively, the output terminal of each first oil inlet pipe connects corresponding valve group respectively, two groups of valve groups are connected, each valve group is connected respectively on the fuel tank assembly, and each ante-chamber oil pipe and back cavity oil pipe are connected on the corresponding valve group; Connect by the second oil return house steward between two groups of valve groups, the described first oil return house steward is connected with the second oil return house steward away from an end of oil cooler.
2. car puller hydraulic power unit according to claim 1, it is characterized in that: described two groups of valve groups comprise solenoid directional control valve respectively, the overlapping Double throttle check valve, stacking type hydraulic control check valve, second one-way valve and electromagnetic relief valve, also connect the first valve platform and the second valve platform on the described fuel tank assembly, two solenoid directional control valves, two overlapping Double throttle check valves and two stacking type hydraulic control check valves are separately positioned on the first valve platform, two second one-way valves and two electromagnetic relief valves are separately positioned on the second valve platform, connect second oil inlet pipe on the second valve platform, the output terminal of second oil inlet pipe connects two the 3rd oil inlet pipes by threeway, and the output terminal of every the 3rd oil inlet pipe is connected with the first valve platform by fuel inlet ball check valve respectively; Be connected with corresponding ante-chamber oil pipe by two fuel-displaced ball valves of ante-chamber on the described first valve platform, also be connected with corresponding back cavity oil pipe by two fuel-displaced ball valves of back cavity on the first valve platform; Also connecting two oil returns on the described first valve platform is in charge of, every oil return is in charge of and is connected two first one-way valves respectively, the oil return that the described second oil return house steward's a end is connected wherein between two first one-way valves is in charge of, the oil return that the second oil return house steward's the other end is connected between two other first one-way valve is in charge of, and the described first oil return house steward is in charge of away from the oil return that an end of oil cooler is connected wherein between two first one-way valves.
3. car puller hydraulic power unit according to claim 1 and 2, it is characterized in that: the other first accumulator oil pipe that connects on second oil inlet pipe between the second valve platform and the threeway, connect the accumulator fuel inlet ball check valve on the first accumulator oil pipe, the other end of accumulator oil pipe connects the accumulator group, the other second accumulator oil pipe that connects on the first accumulator oil pipe between accumulator group and the accumulator fuel inlet ball check valve, connect the accumulator ball valve of draining the oil on the second accumulator oil pipe, the other end of the second accumulator oil pipe connects fuel tank assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210012095 CN103206430A (en) | 2012-01-16 | 2012-01-16 | Hydraulic pump station of cart machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210012095 CN103206430A (en) | 2012-01-16 | 2012-01-16 | Hydraulic pump station of cart machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103206430A true CN103206430A (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210012095 Pending CN103206430A (en) | 2012-01-16 | 2012-01-16 | Hydraulic pump station of cart machine |
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| Country | Link |
|---|---|
| CN (1) | CN103206430A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332712A (en) * | 2015-12-04 | 2016-02-17 | 中交隧道工程局有限公司 | Emergency hydraulic device of slurry shield machine circulation system |
| CN105604994A (en) * | 2016-03-02 | 2016-05-25 | 湖州优创科技有限公司 | Hydraulic station for small mills |
| CN109340204A (en) * | 2018-12-04 | 2019-02-15 | 佛山市南海雄新压铸有限公司 | Numerical control processing concentrating type hydraulic system |
| WO2021109649A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江中煤机械科技有限公司 | Liquid supply system for emulsion pump station |
-
2012
- 2012-01-16 CN CN 201210012095 patent/CN103206430A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332712A (en) * | 2015-12-04 | 2016-02-17 | 中交隧道工程局有限公司 | Emergency hydraulic device of slurry shield machine circulation system |
| CN105332712B (en) * | 2015-12-04 | 2017-09-22 | 中交隧道工程局有限公司 | A kind of emergent hydraulic means of slurry shield machine circulation system |
| CN105604994A (en) * | 2016-03-02 | 2016-05-25 | 湖州优创科技有限公司 | Hydraulic station for small mills |
| CN109340204A (en) * | 2018-12-04 | 2019-02-15 | 佛山市南海雄新压铸有限公司 | Numerical control processing concentrating type hydraulic system |
| CN109340204B (en) * | 2018-12-04 | 2023-12-12 | 佛山市雄新压铸有限公司 | Cluster type hydraulic system for numerical control machining |
| WO2021109649A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江中煤机械科技有限公司 | Liquid supply system for emulsion pump station |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130717 |