CN208982385U - Energy-saving and high efficient car unloader hydraulic control system - Google Patents
Energy-saving and high efficient car unloader hydraulic control system Download PDFInfo
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- CN208982385U CN208982385U CN201821704760.0U CN201821704760U CN208982385U CN 208982385 U CN208982385 U CN 208982385U CN 201821704760 U CN201821704760 U CN 201821704760U CN 208982385 U CN208982385 U CN 208982385U
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Abstract
The utility model discloses energy-saving and high efficient car unloader hydraulic control systems, its structure includes hydraulic oil container, butterfly valve a, butterfly valve b, hydraulic pump, check valve a, check valve b, pressure gauge, guide's electromagnetic relief valve, accumulator, direct acting overflow valve, high-pressure stop valve, high pressure filter, electro-hydraulic reversing valve, hydraulic control one-way valve, plunger case a and plunger case b, the hydraulic oil container is separately connected butterfly valve a and butterfly valve b, the butterfly valve a and butterfly valve b is separately connected hydraulic pump a and hydraulic pump b, the hydraulic pump a and hydraulic pump b is separately connected check valve a and check valve b, the check valve a and check valve b connect high pressure filter jointly, accumulator, guide's electromagnetic relief valve, direct acting overflow valve and high-pressure stop valve, the other end of the high-pressure stop valve connect hydraulic oil container with the unloading line of direct acting overflow valve jointly.It is unloaded high-efficient, is run smoothly, power loss is smaller using the hydraulic car unloader of the system.
Description
Technical field
The utility model relates to the technical fields of hydraulic car unloader, and in particular to a kind of hydraulic control of energy-saving and high efficient car unloader
System processed.
Background technique
Current hydraulic car unloader has become bulk material and unloads a kind of most common equipment, for part industry such as coal
Mine, cement, metallurgy etc., high to the efficiency requirements of material unloading, conventional hydraulic car unloader is unable to satisfy it because efficiency is lower
Use demand, although there is the hydraulic car unloader of quickly discharging material in the country at present, there are the following problems: (1) overwhelming majority uses
It is two important actor plugs pump composite structure, because system pressure sets up difficulty, equipment failure rate is higher；(2) when hydraulic pump pressure oil output
There is pressure fluctuation, machine platform running stability of unloading is poor；(3) when machine platform of unloading declines, two motors are constantly in
Operating condition, system power dissipation are larger.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving and high efficient car unloader hydraulic control systems, mainly solve current
The hydraulic vehicle control that unloads there is a problem of pressure fluctuation running stability difference.It is unloaded effect using the hydraulic car unloader of the system
Rate is high, runs smoothly, power loss is smaller.
The technical solution adopted by the utility model to solve its technical problems is that: energy-saving and high efficient car unloader hydraulic control system
System, structure include hydraulic oil container, butterfly valve a, butterfly valve b, hydraulic pump, check valve a, check valve b, pressure gauge, first conductive magnetism overflow
Valve, accumulator, direct acting overflow valve, high-pressure stop valve, high pressure filter, electro-hydraulic reversing valve, hydraulic control one-way valve, plunger case a and column
Plug cylinder b, the hydraulic oil container is separately connected butterfly valve a and butterfly valve b, the butterfly valve a and butterfly valve b are separately connected hydraulic pump a and liquid
Press pump b, the hydraulic pump a and hydraulic pump b are separately connected check valve a and check valve b, the check valve a and check valve b is common
Connect high pressure filter, accumulator, guide's electromagnetic relief valve, direct acting overflow valve and high-pressure stop valve, the high-pressure stop valve
The other end connect hydraulic oil container jointly with the unloading line of direct acting overflow valve.
Further, the hydraulic pump a and hydraulic pump b is vane pump.
Further, the electro-hydraulic reversing valve and hydraulic control one-way valve superposition installation, the P mouth of the electro-hydraulic reversing valve are pressed through with height
Filter connection, the T mouth of the electro-hydraulic reversing valve connect with return filter one end, the other end of the return filter with it is hydraulic
Fuel tank connection；The hydraulic fluid port of the hydraulic control one-way valve is separately connected plunger case a and plunger case b.
Further, line arrangement is installed below machine platform of unloading before and after the plunger case a and plunger case b.
Further, the unloading line of guide's electromagnetic relief valve connects hydraulic oil container.
The beneficial effects of the utility model are:
1, the hydraulic pump of the hydraulic control system uses Paddle Pump Designing, and when machine platform raising of unloading, two hydraulic pumps are same
When work, system entirety uniform flow, smooth running noise is small, and pressure setting is simple to operation, and work efficiency is high.
2, it since system that employs accumulator designs, can effectively absorption system compression shock, elimination pressure fluctuation mention
High machine platform traveling comfort of unloading.
3, when machine platform of unloading falls, accumulator can also be used as emergency power supply and provide corresponding power, motor for system
It can shut down, greatly reduce system power dissipation, energy-saving effect is obvious.
Detailed description of the invention
Fig. 1 is the principles of the present invention figure；
In figure:
1 hydraulic oil container, 21 butterfly valve a, 22 butterfly valve b, 31 hydraulic pump a, 32 hydraulic pump a, 41 check valve a, 42 check valve b, 5 pressures
Power table, 6 guide's electromagnetic relief valves, 7 accumulators, 8 direct acting overflow valves, 9 high-pressure stop valves, 10 high pressure filters, 11 electro-hydraulic commutations
Valve, 12 hydraulic control one-way valves, 131 plunger case a, 132 plunger case b, 14 return filters, 15 guide's electromagnetic relief valve unloading lines,
16 direct acting overflow valve unloading lines.
Specific embodiment
It is said in detailed below referring to energy-saving and high efficient car unloader hydraulic control system of the Figure of description to the utility model
It is bright.
As shown in Figure 1, the energy-saving and high efficient car unloader hydraulic control system of the utility model, structure includes hydraulic oil container
1, butterfly valve a21, butterfly valve b22, hydraulic pump, check valve a41, check valve b42, pressure gauge 5, guide's electromagnetic relief valve 6, accumulator 7,
Direct acting overflow valve 8, high-pressure stop valve 9, high pressure filter 410, electro-hydraulic reversing valve 11, hydraulic control one-way valve 12, plunger case a131 and
Plunger case b132, the hydraulic oil container 1 are separately connected butterfly valve a21 and butterfly valve b22, and the butterfly valve a21 and butterfly valve b22 connect respectively
It meets hydraulic pump a31 and hydraulic pump b32, the hydraulic pump a and hydraulic pump b is separately connected check valve a41 and check valve b42, institute
It states check valve a and check valve b and connects high pressure filter 10, accumulator 7, guide's electromagnetic relief valve 6,8 and of direct acting overflow valve jointly
The other end of high-pressure stop valve 9, the high-pressure stop valve 9 connect hydraulic oil container 1 jointly with direct acting overflow valve unloading line 16.
After hydraulic pump startup, the pressure oil of hydraulic pump output can have certain pressure fluctuation, to influence the workability of hydraulic system
Energy.The outlet of hydraulic pump is arranged in accumulator, can effectively absorption pressure pulse, and energy mitigation system compression shock, car unloader
Platform runs smoothly, and substantially increases the running stability of hydraulic system.When machine platform lowering action of unloading, accumulator can also be made
For emergency power supply, corresponding pressure is provided for electro-hydraulic reversing valve (11) commutation, and provides phase simultaneously for hydraulic control one-way valve (12)
The cracking pressure answered, guarantee machine platform of unloading normally decline, and motor can shut down at this time, greatly reduce the power damage of system
Consumption.
9 one end of high-pressure stop valve connects accumulator 7, other end connection braking overflow valve unloading line 16, and system overhaul needs
It wants to open high-pressure stop valve 9, the safety that the system of ensure that uses when accumulator pressure release.
The check valve a41 and check valve b42 connects guide's electromagnetic relief valve 6, guide's electromagnetic relief valve jointly
Unloading line 15 connects hydraulic oil container 1, and when hydraulic pump startup, hydraulic pump is played in pilot solenoid valve power loss, pump zero pressure starting
Effect is effectively protected.Wait unload machine platform raising when, pilot solenoid valve obtains electric, and system provides corresponding operating pressure.
The hydraulic pump a31 and hydraulic pump b32 is vane pump.Pressure setting is simple to operation, and machine platform of unloading rises
When rising, two hydraulic pumps are worked at the same time, and system entirety uniform flow, smooth running noise is small, and work efficiency is high.
The electro-hydraulic reversing valve 11 and the superposition installation of hydraulic control one-way valve 12, the P mouth of the electro-hydraulic reversing valve 11 are pressed through with height
Filter connection, the T mouth of the electro-hydraulic reversing valve 11 are connect with 14 one end of return filter, the other end of the return filter 14
It is connect with hydraulic oil container 1；The hydraulic fluid port of the hydraulic control one-way valve is separately connected plunger case a131 and plunger case b132, the plunger
Line arrangement is installed below machine platform of unloading before and after cylinder a and plunger case b.
Hydraulic control one-way valve is set there are two hydraulic fluid port, respectively A hydraulic fluid port and B hydraulic fluid port, can select a selection, as shown in Figure 1, selecting B
Hydraulic fluid port work structuring, the B hydraulic fluid port of hydraulic control one-way valve be separately connected plunger case a and plunger case b unload machine platform no matter rise or
When lowering action, two plunger cases can be locked in current location by hydraulic control one-way valve (12), effectively prevent machine platform of unloading
It voluntarily falls, improves the security performance of equipment.
The utility model solves the problems, such as that car unloader working efficiency is low, running stability is poor and power loss is big, leads to
The Optimal improvements to machine hydraulic system of unloading are crossed, the working efficiency of car unloader is effectively raised, ensure that machine platform fortune of unloading
Capable stationarity, and the power loss of system is greatly reduced, the temperature rise of hydraulic system is reduced, making for equipment is integrally extended
Use the service life.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this is practical
It is novel to be confined in the shown specific structure and the scope of application, thus it is all it is all may be utilized accordingly modify and wait
Jljl belongs to the applied the scope of the patents of the utility model.
In addition to the technical characteristic described in the specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (5)
1. energy-saving and high efficient car unloader hydraulic control system, including hydraulic oil container, butterfly valve a, butterfly valve b, hydraulic pump, check valve a, list
To valve b, pressure gauge, guide's electromagnetic relief valve, accumulator, direct acting overflow valve, high-pressure stop valve, high pressure filter, electro-hydraulic commutation
Valve, hydraulic control one-way valve, plunger case a and plunger case b, it is characterized in that: the hydraulic oil container is separately connected butterfly valve a and butterfly valve b, it is described
Butterfly valve a and butterfly valve b is separately connected hydraulic pump a and hydraulic pump b, the hydraulic pump a and hydraulic pump b are separately connected check valve a
High pressure filter, accumulator, guide's electromagnetic relief valve, direct acting is connected jointly with check valve b, the check valve a and check valve b to overflow
Stream valve and high-pressure stop valve, the other end of the high-pressure stop valve connect hydraulic oil with the unloading line of direct acting overflow valve jointly
Case.
2. energy-saving and high efficient car unloader hydraulic control system according to claim 1, characterized in that the hydraulic pump a
It is vane pump with hydraulic pump b.
3. energy-saving and high efficient car unloader hydraulic control system according to claim 1, characterized in that the electro-hydraulic reversing valve
It is superimposed and installs with hydraulic control one-way valve, the P mouth of the electro-hydraulic reversing valve is connect with high pressure filter, the T mouth of the electro-hydraulic reversing valve
It is connect with return filter one end, the other end of the return filter is connected with hydraulic tank；The oil of the hydraulic control one-way valve
Mouth is separately connected plunger case a and plunger case b.
4. energy-saving and high efficient car unloader hydraulic control system according to claim 3, characterized in that the plunger case a
It is installed below machine platform of unloading with line arrangement before and after plunger case b.
5. energy-saving and high efficient car unloader hydraulic control system according to claim 1, characterized in that the first conductive magnetism
The unloading line of overflow valve connects hydraulic oil container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704760.0U CN208982385U (en) | 2018-10-19 | 2018-10-19 | Energy-saving and high efficient car unloader hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704760.0U CN208982385U (en) | 2018-10-19 | 2018-10-19 | Energy-saving and high efficient car unloader hydraulic control system |
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| Publication Number | Publication Date |
|---|---|
| CN208982385U true CN208982385U (en) | 2019-06-14 |
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ID=66788369
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821704760.0U Active CN208982385U (en) | 2018-10-19 | 2018-10-19 | Energy-saving and high efficient car unloader hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454802A (en) * | 2022-02-17 | 2022-05-10 | 郑州航空港区速达工业机械服务有限公司 | Novel mobile service vehicle |
-
2018
- 2018-10-19 CN CN201821704760.0U patent/CN208982385U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454802A (en) * | 2022-02-17 | 2022-05-10 | 郑州航空港区速达工业机械服务有限公司 | Novel mobile service vehicle |
| CN114454802B (en) * | 2022-02-17 | 2023-10-20 | 郑州航空港区速达工业机械服务有限公司 | Mobile service vehicle |
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