CN212928359U - Oil station hydraulic system - Google Patents

Oil station hydraulic system Download PDF

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CN212928359U
CN212928359U CN202021080615.7U CN202021080615U CN212928359U CN 212928359 U CN212928359 U CN 212928359U CN 202021080615 U CN202021080615 U CN 202021080615U CN 212928359 U CN212928359 U CN 212928359U
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oil
assembly
pressure
pressure relief
subassembly
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代勇
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Suzhou Dandun Electromechanical Co ltd
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Suzhou Dandun Electromechanical Co ltd
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Abstract

An oil station hydraulic system comprising: the oil station hydraulic system comprises an oil storage assembly, an oil pipeline connected with the oil storage assembly, an oil pump assembly arranged on the oil pipeline, a first monitoring pressure relief assembly and a second monitoring pressure relief assembly arranged on the oil pipeline, a pressure supply assembly and a detection assembly arranged between the first monitoring pressure relief assembly and the second monitoring pressure relief assembly, a control unit respectively connected with the oil storage assembly, the oil pump assembly, the first monitoring pressure relief assembly and the detection assembly, and a pressure relief loop assembly respectively connected with the oil storage assembly, the first monitoring pressure relief assembly, the second monitoring pressure relief assembly and the pressure supply assembly and used for discharging hydraulic pressure and oil in the oil station hydraulic system back to the oil storage assembly; the utility model discloses can real time monitoring oil circuit operating mode and adjust corresponding hydraulic component and guarantee that the system operating mode is stable, and carry the hydraulic pressure in the system and oil back to participate in the hydraulic pressure process once more in the oil storage subassembly when system pressure release and maintenance, avoid extravagant.

Description

Oil station hydraulic system
Technical Field
The utility model relates to a chemical industry field, in particular to oil station hydraulic system.
Background
At present, the hydraulic system of the oil station can realize the high-pressure output of oil stored in the oil tank, but in the output process, the working condition of the oil station cannot be monitored in real time and the corresponding hydraulic element is adjusted to ensure the working condition stability of the hydraulic system, and the hydraulic pressure and the oil in the hydraulic system are conveyed back to the oil storage assembly in the pressure relief process and the maintenance process of the hydraulic system, so that the hydraulic process is participated in again, and the waste is avoided.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a hydraulic system for a fueling station that can deliver hydraulic pressure and oil within the hydraulic system back to the reservoir assembly during depressurization and during maintenance of the hydraulic system.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an oil station hydraulic system comprising: oil storage assembly, with the oil pipeline that oil storage assembly connects installs oil pump assembly on the oil pipeline installs first control pressure release subassembly and second control pressure release subassembly on the oil pipeline set up supply between first control pressure release subassembly and the second control pressure release subassembly and detect assembly, respectively with the control unit that oil storage assembly, oil pump assembly, first control pressure release subassembly, detect assembly are connected, and respectively with oil storage assembly, first control pressure release subassembly, second control pressure release subassembly and supply to press the subassembly to connect and will hydraulic pressure and oil in the hydraulic system of oil station are released back the pressure release return circuit subassembly of oil storage assembly, supply to press the subassembly including parallelly connected first supply to press subassembly and second on the oil pipeline and supply to press the subassembly.
Furthermore, the utility model discloses still include following technical scheme:
in a preferred embodiment, the pressure relief circuit assembly includes a main pressure relief pipeline connected to the oil storage assembly and a pressure relief branch pipeline arranged in parallel on the main pressure relief pipeline.
In a preferred embodiment, the pressure relief branch pipeline comprises a first pressure relief branch connected with the first monitoring pressure relief assembly, a second pressure relief branch connected with the second monitoring pressure relief assembly, and a third pressure relief branch and a fourth pressure relief branch connected with the pressure supply assembly.
In a preferred embodiment, the pressure relief circuit assembly further comprises a first pressure relief valve provided on the third pressure relief branch and a second pressure relief valve provided on the fourth pressure relief branch.
In a preferred embodiment, the oil storage assembly comprises an oil tank connected with the oil pipeline and the main pressure relief pipeline, and a heater and a temperature transmitter arranged in the oil tank.
In a preferred embodiment, the first monitoring pressure relief assembly includes a solenoid valve and a pressure relief valve connected to the first pressure relief branch, and the solenoid valve and the pressure relief valve are connected in parallel to the oil line.
In a preferred embodiment, the second monitoring pressure relief assembly comprises a safety valve and a manual pressure relief valve connected with the second pressure relief branch pipe, and a pressure gauge installed on the oil pipeline, and the safety valve and the manual pressure relief valve are connected on the oil pipeline in parallel.
In a preferred embodiment, the first pressure supply assembly is connected with the third pressure relief branch pipe, and the first pressure supply assembly comprises a first pressure supply pipe connected with the third pressure relief branch pipe, a first pressure supply valve mounted on the first pressure supply pipe, and a first accumulator; the second supplies to press the subassembly with fourth pressure release branch connection, the second supply press the subassembly include with the second that fourth pressure release branch connection supplies the pressure pipe and installs second on supplying the pressure pipe supplies to press valve and second energy storage ware.
In a preferred embodiment, the oil pump assembly includes a pump mounted on the oil passage pipe and a motor driving the pump to operate.
In a preferred embodiment, the oil station hydraulic system further comprises an oil return assembly connected with the oil return port and the oil storage assembly respectively.
Compared with the prior art, the utility model has the advantages of:
by arranging the pressure relief loop assembly, hydraulic pressure and oil in a hydraulic system of the oil station are released into the oil storage assembly, so that the oil storage assembly participates in the hydraulic process again, the utilization rate is improved, and waste is avoided; the first pressure supply assembly and the second pressure supply assembly are arranged in parallel, different energy storage hydraulic quantities can be met, and when a group of maintenance is carried out, the other group can normally operate, so that the normal operation of the system is not affected.
In addition, by arranging the oil return assembly, the oil which is subjected to the work of the hydraulic cylinder is conveyed back to the oil storage assembly to participate in the hydraulic system again, so that the utilization rate of the oil is improved.
Drawings
Fig. 1 is a flow chart of the oil station hydraulic system of the present invention.
Detailed Description
As shown in fig. 1, the present invention provides a hydraulic system for an oil station, which includes: including oil storage component 1, oil pipeline 2 connected with oil storage component 1, oil pump assembly 3 and the filter assembly 4 of setting on oil pipeline 2, first control pressure release component 5 and second control pressure release component 6 of being connected with oil pipeline 2, the detection module 7 and the confession that set up between first control pressure release component 5 and second control pressure release component 6 press the subassembly 8, respectively with oil storage component 1, first control pressure release component 5, second control pressure release component 6 and the pressure release return circuit subassembly 9 that supplies to press subassembly 8 to be connected, and respectively with oil storage component 1, oil pump assembly 3, first control pressure release component 5, detection module 7 is connected and is controlled oil storage component 1, oil pump assembly 3 and the first control pressure release component 5 carry out the control unit (not shown in the figure) that regulates and control the hydraulic system operating mode. The control unit can be realized by a PLC, and can also be realized by other control devices.
The oil storage assembly 1 is mainly used for storing oil and regulating and controlling the oil temperature, the oil storage assembly comprises an oil tank 100, a heater 101 arranged in the oil tank 100, a temperature transmitter 102, a liquid level meter 103 and a liquid level transmitter 104, the heater 101, the temperature transmitter 102 and the liquid level transmitter 104 are respectively electrically connected with a control unit, the temperature transmitter 102 detects the temperature of the oil stored in the oil tank 100 and converts the oil temperature into an electric signal to be sent to the control unit, and the control unit processes the received signal and controls the heater 101 according to the signal. Specifically, the control unit receives a signal sent by the temperature transmitter 102 and compares the signal with a temperature set in the system, if the oil temperature of the oil tank 100 is lower than a set value, the control unit controls the heater 101 to operate until the oil temperature reaches the set value, and after the oil temperature reaches the set value, the heater 101 stops operating.
The oil pipeline 2 connects the outlet of the oil tank 100 with oil outlets, which include a first oil outlet 12 and a second oil outlet 13. The oil conduit 2 is connected with a first oil outlet 12 and a second oil outlet 13, respectively.
The oil pump assembly 3 mainly pumps oil from the oil tank 100 and provides certain pressure for the oil, the oil pump assembly 3 comprises a pump 30 installed on a main pipeline 20 close to an outlet of the oil tank 100 and a motor 31 driving the pump 30 to work, the motor 31 is connected with a control unit, and the control unit controls the motor 31 to supply power to the pump 30, so that the working condition of the system is controlled.
The filter assembly 4 includes a filter 40 mounted on the main pipe 20 in close proximity to the pump 30.
The pressure relief loop assembly 9 includes a main pressure relief pipeline 90 connected to an oil tank 100, a first pressure relief branch 91 connected to the main pressure relief pipeline 90 and the first monitoring pressure relief assembly 5, a second pressure relief branch 92 connected to the main pressure relief pipeline 90 and the second monitoring pressure relief assembly 6, a third pressure relief branch 93 and a fourth pressure relief branch 95 connected to the main pressure relief pipeline 90 and the pressure supply assembly 8, a first pressure relief valve 94 disposed on the third pressure relief branch 93, and a second pressure relief valve 96 disposed on the fourth pressure relief branch 95. A first pressure relief branch 91, a second pressure relief branch 92, a third pressure relief branch 93 and a fourth pressure relief branch 95 are connected in parallel to the main pressure relief duct 90. When the pressure of the oil station hydraulic system is abnormal or the pressure supply assembly 8 needs to be maintained, the high pressure and the oil in the oil station hydraulic system are discharged into the oil tank 100 through the pressure relief loop assembly 9, so that the working condition of the oil station hydraulic system is stable, and the waste of the oil is avoided.
First control pressure release subassembly 5 is including parallelly connected solenoid valve 50 and the relief valve 51 that sets up, the one end and the oil pipeline 2 of solenoid valve 50 are connected the other end and are connected with first pressure release branch pipe 91, solenoid valve 50 is connected with the control unit, the control unit control solenoid valve 50 circular telegram, it is specific, the system is during normal work, solenoid valve 50 is in the outage state, when detecting subassembly 7 detects system pressure and surpasss the setting value, control unit control solenoid valve 50 circular telegram oil pipeline 2 and first pressure release branch pipe 91 switch-on, oil of oil pipeline 2 flows back to oil tank 100 from first pressure release branch pipe 91 and main pressure release pipeline 90 through solenoid valve 50. One end of the pressure relief valve 51 is connected with the oil pipeline 2, and the other end of the pressure relief valve is connected with the first pressure relief branch pipe 91, when the electromagnetic valve 50 fails or the system is powered off, the pressure relief valve 51 can be automatically opened when the system pressure exceeds a set value such as 22Mpa, the oil pipeline 2 is communicated with the first pressure relief branch pipe 91, and oil in the oil pipeline 2 flows back to the oil tank 100 from the pressure relief loop assembly 9 and the main pressure relief pipeline 90 through the pressure relief valve 51.
The second monitoring pressure relief assembly 6 is arranged at a position, relatively close to the oil outlet, of the oil pipeline 2, the second monitoring pressure relief assembly 6 comprises a pressure gauge 60 installed on the oil pipeline 2, a safety valve 62 and a manual pressure relief valve 51 which are arranged in parallel, one end of the safety valve 62 is connected with the oil pipeline 2, the other end of the safety valve 62 is connected with a second pressure relief branch pipe 92, when the system pressure exceeds a set value of the safety valve 62, such as 25Mpa, the safety valve 62 is automatically opened, the oil pipeline 2 is communicated with the second pressure relief branch pipe 92, and oil in the oil pipeline 2 flows back to the oil tank 100 from the second pressure relief branch pipe 92 and the. One end of the oil pipeline 2 at one end of the manual pressure relief valve 51 is connected with one end of the second pressure relief branch pipe 92, when the detection assembly 7 in the system cannot normally work, the pressure value of the system can be directly read from the pressure gauge 60, the manual pressure relief valve 51 is correspondingly opened or closed to adjust the pressure of the system according to the reading of the pressure gauge 60, when the manual pressure relief valve 51 is opened, the oil pipeline 2 is communicated with the second pressure relief branch pipe 92, and oil in the oil pipeline 2 flows back to the oil tank 100 from the second pressure relief branch pipe 92 and the main pressure relief pipeline 90 through the manual pressure relief valve 51.
Detection element 7 and confession press subassembly 8 to set up on oil pipe 2 between first control pressure release subassembly 5 and second control pressure release subassembly 6, and detection element 7 is including installing pressure transmitter 70 on oil pipe 2, and pressure transmitter 70 detects and is located behind first control pressure release subassembly 5 the pressure of oil pipe 2 to convert this pressure into the electric signal analog quantity and transmit for the control unit.
The pressure supply module 8 includes a pressure supply pipe 85 mounted on the oil passage pipe 2, a pressure supply valve 88 mounted on the pressure supply pipe 85, and an accumulator 82 mounted on the end of the pressure supply pipe 85. Preferably, the oil station hydraulic system is provided with two sets of pressure supply assemblies 8, namely a first pressure supply assembly and a second pressure supply assembly which are connected in parallel on the oil pipeline 2. The first pressure supply assembly includes a first pressure supply pipe 84 connected to the oil passage pipe 2, a first pressure supply valve 87 mounted on the first pressure supply pipe 84, and a first accumulator 81. The second pressure supply unit includes a second pressure supply pipe 83 connected to the oil passage pipe 2, a second pressure supply valve 86 mounted on the second pressure supply pipe 83, and a second accumulator 80. The first pressure supply pipe 84 of the first pressure supply assembly is connected to a third pressure relief branch 93. The second pressure supply pipe 83 of the second pressure supply assembly is connected to a fourth pressure relief branch 95. The first pressure supply assembly and the second pressure supply assembly can be used simultaneously, and one of the two sets can be closed to operate the other set. When the first pressure supply pipe assembly needs maintenance, the first pressure supply valve 87 of the first pressure supply pipe assembly is closed, and the first pressure relief valve 94 on the third pressure relief branch pipe 93 is opened, so that the pressure of the first accumulator 81 is discharged into the oil tank 100. Meanwhile, the second pressure supply assembly operates normally, so that the normal operation of the whole oil station hydraulic system is not affected. On the contrary, when the second pressure supply assembly is maintained, the first pressure supply assembly normally operates.
The oil station hydraulic system further comprises an oil return component 11 and a one-way valve 10 installed on the main pipeline 20, wherein the one-way valve 10 is arranged between the first pressure supply component and the first monitoring pressure relief component 5, and oil is conducted in one direction from the oil tank 100 to the pressure supply component 8.
The oil return assembly 11 is used for conveying the hydraulic oil discharged after the hydraulic cylinder works to the oil tank 100 to realize hydraulic circulation of the hydraulic oil again, the oil return assembly 11 includes an oil return pipeline 110 connecting an oil return port with the oil tank 100, and the oil return port includes a first oil return port 14 and a second oil return port 15.
Compared with the prior art, the utility model has the advantages of:
1. through setting up the determine module and be connected with the control unit, can real time monitoring system's operating mode and feed back to the control unit.
2. Through with the control unit respectively with oil storage subassembly, oil pump subassembly, first control pressure release subassembly and determine module, can in time regulate and control the system operating mode through the control unit to the stability of guarantee system operating mode.
3. Set up first control pressure release subassembly and second control pressure release subassembly on supplying to press the pipeline around the subassembly, guaranteed that the oil pressure that supplies to press the pipeline around the subassembly all is in system's safe operation within range to the safe operation of system has been ensured.
4. First control pressure release subassembly and second control pressure release subassembly all parallelly connected design two sets of intercommunication oil circuit pipelines and lead to the valve of pressure release return circuit subassembly, even a set of valve breaks down, another group still can normally work, does not influence the normal operating of system to the system safety operation coefficient has been improved.
5. Through setting up two sets of confession pressure subassemblies, can satisfy different energy storage hydraulic pressure volumes, and do not influence the normal operating of system when maintenance.
6. By arranging the pressure relief circuit assembly, hydraulic pressure and oil in a hydraulic system of the oil station can be relieved to the oil storage assembly.
7. Through setting up the oil return subassembly, will pass through the oil that works with the pneumatic cylinder and carry back to the oil storage subassembly and participate in hydraulic system once more, improve the utilization ratio of oil.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides an oil station hydraulic system, including oil storage subassembly (1), with oil pipeline (2) that oil storage subassembly (1) is connected, install oil pump assembly (3) on oil pipeline (2), its characterized in that, oil station hydraulic system is still including installing first control pressure release subassembly (5) and second control pressure release subassembly (6) on oil pipeline (2) set up supply between first control pressure release subassembly (5) and second control pressure release subassembly (6) and press subassembly (8) and determine module (7), respectively with the control unit that oil storage subassembly (1), oil pump assembly (3), first control pressure release subassembly (5), determine module (7) are connected, and respectively with oil storage subassembly (1), first control pressure release subassembly (5), second control pressure release subassembly (6) and supply to press subassembly (8) and connect and will hydraulic pressure and oil in the oil station hydraulic system are released back oil storage subassembly (1), first control pressure release subassembly (5), second control pressure release subassembly (6) and supply ) The pressure relief loop assembly (9) comprises a first pressure supply assembly and a second pressure supply assembly, wherein the first pressure supply assembly and the second pressure supply assembly are connected to the oil pipeline (2) in parallel.
2. The hydraulic system for an oil station according to claim 1, characterized in that the pressure relief circuit assembly (9) comprises a main pressure relief pipeline (90) connected with the oil storage assembly (1) and a pressure relief branch pipeline arranged in parallel on the main pressure relief pipeline (90).
3. The hydraulic system of claim 2, wherein the pressure relief branch conduit comprises a first pressure relief branch (91) connected to the first monitoring pressure relief assembly (5), a second pressure relief branch (92) connected to the second monitoring pressure relief assembly (6), and a third pressure relief branch (93) and a fourth pressure relief branch (95) connected to the pressure supply assembly (8).
4. A station hydraulic system according to claim 3, characterized in that the pressure relief circuit assembly (9) further comprises a first pressure relief valve (94) arranged on the third pressure relief branch (93) and a second pressure relief valve (96) arranged on the fourth pressure relief branch (95).
5. The hydraulic system of claim 2, characterized in that the oil storage assembly (1) comprises an oil tank (100) connected to the oil line conduit (2) and the main pressure relief conduit (90), and a heater (101) and a temperature transmitter (102) arranged inside the oil tank (100).
6. A station hydraulic system according to claim 3, characterized in that the first monitoring pressure relief assembly (5) comprises a solenoid valve (50) and a pressure relief valve (51) connected to the first pressure relief branch (91), the solenoid valve (50) and the pressure relief valve (51) being connected in parallel to the oil line (2).
7. A substation hydraulic system according to claim 3, characterized in that the second monitoring pressure relief assembly (6) comprises a relief valve (62) and a manual pressure relief valve (51) connected to the second pressure relief branch (92) and a pressure gauge (60) mounted on the oil conduit (2), the relief valve (62) and the manual pressure relief valve (51) being connected in parallel on the oil conduit (2).
8. The hydraulic system of the oil station according to claim 3, characterized in that the first pressure supply assembly is connected with the third pressure relief branch pipe (93), and comprises a first pressure supply pipe (84) connected with the third pressure relief branch pipe (93), a first pressure supply valve (87) mounted on the first pressure supply pipe (84), and a first accumulator (81); the second supplies to press the subassembly with fourth pressure release branch pipe (95) are connected, the second supplies to press the subassembly including with second pressure supply pipe (83) that fourth pressure release branch pipe (95) are connected and install second pressure supply valve (86) and second energy storage ware (80) on second pressure supply pipe (83).
9. The hydraulic system for the oil station according to claim 1, characterized in that the oil pump assembly (3) comprises a pump (30) mounted on the oil conduit (2) and a motor (31) driving the pump (30) to operate.
10. The hydraulic system according to any one of claims 1 to 9, characterized in that it further comprises an oil return assembly (11) connected to the oil return port and the oil storage assembly (1), respectively.
CN202021080615.7U 2020-06-12 2020-06-12 Oil station hydraulic system Active CN212928359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021080615.7U CN212928359U (en) 2020-06-12 2020-06-12 Oil station hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021080615.7U CN212928359U (en) 2020-06-12 2020-06-12 Oil station hydraulic system

Publications (1)

Publication Number Publication Date
CN212928359U true CN212928359U (en) 2021-04-09

Family

ID=75322693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021080615.7U Active CN212928359U (en) 2020-06-12 2020-06-12 Oil station hydraulic system

Country Status (1)

Country Link
CN (1) CN212928359U (en)

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