CN206801976U - The disintegrating machine closed type hydraulic system of triple repairings - Google Patents
The disintegrating machine closed type hydraulic system of triple repairings Download PDFInfo
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- CN206801976U CN206801976U CN201720365760.1U CN201720365760U CN206801976U CN 206801976 U CN206801976 U CN 206801976U CN 201720365760 U CN201720365760 U CN 201720365760U CN 206801976 U CN206801976 U CN 206801976U
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- check valve
- mouths
- disintegrating machine
- oil
- repairing
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- 239000003921 oil Substances 0.000 claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims abstract description 17
- 239000000295 fuel oil Substances 0.000 claims abstract description 3
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 7
- 239000013589 supplement Substances 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of disintegrating machine closed type hydraulic system of triple repairings, including the first check valve, the second check valve, the 3rd check valve, accumulator, duplex pump, disintegrating machine executive component, repairing fuel tank and oil return fuel tank, the duplex pump includes two-way variable displacement pump and unidirectional constant displacement pump, and the system includes five oil circuits.The utility model can provide triple guarantees when system works for the timely automated repairing of low-pressure side of actuator port.
Description
Technical field
It the utility model is related to the repairing technology of crusher hydraulic oil circuit, and in particular to a kind of disintegrating machine of triple repairings closes
Formula hydraulic system.
Background technology
In disintegrating machine closed type hydraulic system, the fluid of hydraulic pump output is directly entered executive component, and executive component returns
The fuel sucking pipe of oil circuit and hydraulic pump is joined directly together, and work fluid carries out closed circulation in the pipeline of system.In the course of work,
Closed type hydraulic system constantly has oil liquid leakage, while also has the part deep fat to be poured off because flush loop is opened, in order to supplement this
A little leakages and consumption, maintain the normal work of closed system, it is necessary to supplement fluid in time to closed system.Loop under nominal situation
Slippage pump can meet repairing requirement, but for bad working environments such as overload, mechanical jam suddenly when, the low pressure in loop
Lateral pressure can instantaneously turn into negative value, and the pressure of low-pressure side can not be ensured by depending merely on slippage pump, in turn result in main pump and be emptied, produce gas
Erosion, damage.
Due to the particularity and complexity of disintegrating machine work operating mode, overload is easy to occur with situations such as mechanical jam, institute
The system in disintegrating machine closed type hydraulic system or under bad working environments, to increase extra oil-supplementing system and be necessary.
The content of the invention
In order to solve above-mentioned technical problem, the utility model provides a kind of disintegrating machine Closed Hydraulic system of triple repairings
System, can provide triple guarantees when system works for the timely automated repairing of low-pressure side of actuator port.
The scheme that the utility model solves above-mentioned technical problem is as follows：
The disintegrating machine closed type hydraulic system of triple repairings, including the first check valve, the second check valve, the 3rd check valve, storage
Energy device, duplex pump, disintegrating machine executive component, repairing fuel tank and oil return fuel tank, the duplex pump is including two-way variable displacement pump and unidirectionally
Constant displacement pump, the system include five oil circuits：
Working connection：The two-way variable displacement pump forms circulation loop with disintegrating machine executive component；
Leakage Energy oil circuit：The Leakage Energy oil circuit connection oil return fuel tank of disintegrating machine executive component；
First repairing oil circuit：It is made up of repairing fuel tank, unidirectional constant displacement pump, the first check valve and the second check valve, wherein, mend
Fuel tank connects the oil inlet of unidirectional constant displacement pump, and the oil-out of unidirectional constant displacement pump connects the P2 mouths of the first check valve and second unidirectional
The P2 mouths of valve, the P1 mouths connection working connection of the first check valve, the P1 mouths connection working connection of the second check valve；
Second repairing oil circuit：It is made up of accumulator, the first check valve and the second check valve, wherein, accumulator connection first
The P2 mouths of check valve and the P2 mouths of the second check valve；
3rd repairing oil circuit：By the Leakage Energy oil circuit, the 3rd check valve, the first check valve and second of disintegrating machine executive component
Check valve is formed, wherein, the Leakage Energy oil circuit of disintegrating machine executive component connects the P2 mouths of the 3rd check valve, the P1 of the 3rd check valve
The P2 mouths of mouth the first check valve of connection and the P2 mouths of the second check valve.
The oil-out of the unidirectional constant displacement pump is provided with pressure measuring tie-in, can monitor oil compensation pressure, monitoring system operating mode at any time.
The utility model has the following advantages relative to prior art：
1st, the first repairing oil circuit, it is made up of, maintains repairing fuel tank, unidirectional constant displacement pump, the first check valve and the second check valve
The pressure of crusher hydraulic main loop, maintain system stable.
2nd, the second repairing oil circuit, it is made up of accumulator, the first check valve and the second check valve, using accumulator plus check valve
Structure, energy is stored, absorption pressure fluctuation can be according to different operating modes, timely automated repairing.
3rd, the 3rd repairing oil circuit, by the Leakage Energy oil circuit of disintegrating machine executive component, the 3rd check valve, the first check valve and
Two check valves are formed, and the flow of system oil return can be supplemented into working connection low pressure chamber when there is ultralow negative pressure.
It can be seen that the utility model can be when disintegrating machine works, by three repairing oil circuits, to the low-pressure side of actuator port
Carry out repairing, maintain the pressure of working connection, prevent under bad working environments, underfed when two-way variable displacement pump produce cavitation erosion, be emptied damage
It is bad,.
Brief description of the drawings
Fig. 1 is the hydraulic circuit figure of the disintegrating machine closed type hydraulic system of triple repairings of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
The disintegrating machine closed type hydraulic system of triple repairings as shown in Figure 1, including the first check valve 1, the second check valve 2,
3rd check valve 3, accumulator 5, duplex pump, disintegrating machine executive component 8, repairing fuel tank S and oil return fuel tank T, duplex pump include double
To variable pump 6 and unidirectional constant displacement pump 7, the system includes five oil circuits：
Working connection：Two-way variable displacement pump 6 forms circulation loop with disintegrating machine executive component 8；
Leakage Energy oil circuit：The Leakage Energy oil circuit connection oil return fuel tank T of disintegrating machine executive component 8；
First repairing oil circuit：It is made up of repairing fuel tank S, unidirectional constant displacement pump 7, the first check valve 1 and the second check valve 2, its
In, the oil inlet of the unidirectional constant displacement pump 7 of repairing fuel tank S connections, the P2 mouths of the first check valve of oil-out C connections 1 of unidirectional constant displacement pump 7
With the P2 mouths of the second check valve 2, the oil-feed oil circuit of the P1 mouths connection working connection of the first check valve 1, the P1 mouths of the second check valve 1 connect
Connect the oil return circuit of working connection；
Second repairing oil circuit：It is made up of accumulator 5, the first check valve 1 and the second check valve 2, wherein, accumulator 5 connects
The P2 mouths of the P2 mouths of first check valve 1 and the second check valve 2；
3rd repairing oil circuit：By the Leakage Energy oil circuit, the 3rd check valve 3, the and of the first check valve 1 of disintegrating machine executive component 8
Second check valve 2 is formed, wherein, the Leakage Energy oil circuit of disintegrating machine executive component 8 connects the P2 mouths of the 3rd check valve 3, and the 3rd is single
The P2 mouths of the first check valve 1 and the P2 mouths of the second check valve 2 are connected to the P1 mouths of valve 3.
The oil-out C of the unidirectional constant displacement pump 7 is provided with pressure measuring tie-in 4, can monitor oil compensation pressure, monitoring system work at any time
Condition.
Originally the course of work of the disintegrating machine closed type hydraulic system of triple repairings is：
1) when hydraulic system pressure is stable, the Leakage Energy of disintegrating machine executive component 8, supplied by the first repairing oil circuit.Store
Energy device 5 plays storage energy.
2) when the unidirectional pressure of constant displacement pump 7 has fluctuation, the Absorbing Fluctuation pressure of accumulator 5, pressure stability is maintained.
3) when the instantaneous low pressure of working connection in-line appearance, the flow that accumulator 5 discharges, pass through pressure difference thrust, open first
Check valve 1, supplement fluid prevent from being emptied to low-pressure side.When pressure is down to it is lower when, the leakage oil circuit of disintegrating machine executive component 8
The 3rd check valve 3 is opened on top, further supplements fluid to low-pressure side.
4) when the instantaneous low pressure of working connection oil return line appearance, the flow that accumulator 5 discharges, pass through pressure difference thrust, open second
Check valve 2, supplement fluid prevent from being emptied to low-pressure side.When pressure is down to it is lower when, the leakage oil circuit of disintegrating machine executive component 8
The 3rd check valve 3 is opened on top, further supplements fluid to low-pressure side.
Above-mentioned is the preferable embodiment of the utility model, but embodiment of the present utility model is not by the above
Limitation, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modification, replacement, combine, letter
Change, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (2)
1. the disintegrating machine closed type hydraulic system of triple repairings, it is characterised in that：Including the first check valve, the second check valve, the 3rd
Check valve, accumulator, duplex pump, disintegrating machine executive component, repairing fuel tank and oil return fuel tank, the duplex pump include bidirectional variable
Pump and unidirectional constant displacement pump, the system include five oil circuits：
Working connection：The two-way variable displacement pump forms circulation loop with disintegrating machine executive component；
Leakage Energy oil circuit：The Leakage Energy oil circuit connection oil return fuel tank of disintegrating machine executive component；
First repairing oil circuit：It is made up of repairing fuel tank, unidirectional constant displacement pump, the first check valve and the second check valve, wherein, repairing oil
Case connects the oil inlet of unidirectional constant displacement pump, and the oil-out of unidirectional constant displacement pump connects the P2 mouths and the second check valve of the first check valve
P2 mouths, the P1 mouths connection working connection of the first check valve, the P1 mouths connection working connection of the second check valve；
Second repairing oil circuit：It is made up of accumulator, the first check valve and the second check valve, wherein, accumulator connection first is unidirectional
The P2 mouths of valve and the P2 mouths of the second check valve；
3rd repairing oil circuit：It is unidirectional by the Leakage Energy oil circuit of disintegrating machine executive component, the 3rd check valve, the first check valve and second
Valve is formed, wherein, the Leakage Energy oil circuit of disintegrating machine executive component connects the P2 mouths of the 3rd check valve, and the P1 mouths of the 3rd check valve connect
Connect the P2 mouths of the first check valve and the P2 mouths of the second check valve.
2. the disintegrating machine closed type hydraulic system of triple repairings according to claim 1, it is characterised in that：It is described unidirectional quantitative
The oil-out of pump is provided with pressure measuring tie-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365760.1U CN206801976U (en) | 2017-04-07 | 2017-04-07 | The disintegrating machine closed type hydraulic system of triple repairings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365760.1U CN206801976U (en) | 2017-04-07 | 2017-04-07 | The disintegrating machine closed type hydraulic system of triple repairings |
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| Publication Number | Publication Date |
|---|---|
| CN206801976U true CN206801976U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720365760.1U Active CN206801976U (en) | 2017-04-07 | 2017-04-07 | The disintegrating machine closed type hydraulic system of triple repairings |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458367A (en) * | 2018-12-28 | 2019-03-12 | 江苏省机械研究设计院有限责任公司 | A kind of hydraulic system for slag breaker |
| CN110905888A (en) * | 2019-12-24 | 2020-03-24 | 苏州嘉诺环境工程有限公司 | Hydraulic system and double-shaft crusher |
| CN118328037A (en) * | 2024-05-20 | 2024-07-12 | 哈尔滨工业大学 | A multi-degree-of-freedom hydraulic system for agricultural machinery chassis |
-
2017
- 2017-04-07 CN CN201720365760.1U patent/CN206801976U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458367A (en) * | 2018-12-28 | 2019-03-12 | 江苏省机械研究设计院有限责任公司 | A kind of hydraulic system for slag breaker |
| CN109458367B (en) * | 2018-12-28 | 2024-02-20 | 江苏省机械研究设计院有限责任公司 | Hydraulic system for slag breaker |
| CN110905888A (en) * | 2019-12-24 | 2020-03-24 | 苏州嘉诺环境工程有限公司 | Hydraulic system and double-shaft crusher |
| CN118328037A (en) * | 2024-05-20 | 2024-07-12 | 哈尔滨工业大学 | A multi-degree-of-freedom hydraulic system for agricultural machinery chassis |
| CN118328037B (en) * | 2024-05-20 | 2024-11-26 | 哈尔滨工业大学 | A multi-degree-of-freedom hydraulic system for agricultural machinery chassis |
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