CN213452819U - Oil-filling exhaust system of lubricating oil station - Google Patents
Oil-filling exhaust system of lubricating oil station Download PDFInfo
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- CN213452819U CN213452819U CN202022477430.6U CN202022477430U CN213452819U CN 213452819 U CN213452819 U CN 213452819U CN 202022477430 U CN202022477430 U CN 202022477430U CN 213452819 U CN213452819 U CN 213452819U
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Abstract
The utility model discloses an oil-charging exhaust system of lubricating oil station, including main oil-charging mechanism, supplementary oil-charging mechanism and exhaust mechanism, main oil-charging mechanism is including connecting in the main oil absorption end of the main pump of main equipment and main oil-charging pipeline between the oil tank, locating the oil outlet end of main pump with the oil feed pipe way between the oil feed end of main equipment, locate the first oil return pipe way between main equipment and the oil tank and locate on the main oil-charging pipeline be used for making the oil in the main oil-charging pipeline one-way to the first check valve that the main pump direction flows; the auxiliary oil filling mechanism comprises an auxiliary oil filling pipeline connected between the oil tank and the oil supply pipeline, an auxiliary pump sequentially arranged on the auxiliary oil filling pipeline and a second one-way valve used for enabling oil in the auxiliary oil filling pipeline to flow towards the main equipment in a one-way mode; the exhaust mechanism comprises a first exhaust part and a second exhaust part, and the first exhaust part comprises a first exhaust pipeline and a third one-way valve.
Description
Technical Field
The utility model relates to an oil charge exhaust system of lubricating oil station.
Background
The lubricating oil station is mainly used for lubricating parts such as gears, bearings and the like in equipment such as gear boxes, main bearing systems and the like by lubricating oil, and is used for providing lubricating oil for the main equipment so as to prevent the main equipment from being worn and having short service life and the like caused by lack of the lubricating oil. The general structure of current lubricating oil station is comparatively complicated, generally all starts through the main pump when starting, and some gas exist in the main pump or how much, if not the evacuation then lead to fluid to carry the effect relatively poor.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the oil charging and exhausting system of the lubricating oil station is simple and effective in structure and good in oil liquid conveying effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: the oil filling and exhausting system of the lubricating oil station comprises a main oil filling mechanism, an auxiliary oil filling mechanism and an exhausting mechanism, wherein the main oil filling mechanism comprises a main oil filling pipeline connected between an oil suction end of a main pump of main equipment and an oil tank, an oil supply pipeline arranged between an oil outlet end of the main pump and an oil supply end of the main equipment, a first oil return pipeline arranged between the main equipment and the oil tank and a first one-way valve arranged on the main oil filling pipeline and used for enabling oil in the main oil filling pipeline to flow in the direction of the main pump in a one-way mode; the auxiliary oil filling mechanism comprises an auxiliary oil filling pipeline connected between the oil tank and the oil supply pipeline, an auxiliary pump sequentially arranged on the auxiliary oil filling pipeline and a second one-way valve used for enabling oil in the auxiliary oil filling pipeline to flow towards the main equipment in a one-way mode; the exhaust mechanism comprises a first exhaust part and a second exhaust part, the first exhaust part comprises a first exhaust pipeline and a third one-way valve, a first end of the first exhaust conduit is connected to the auxiliary oil charge conduit at a location between the auxiliary pump and the second one-way valve, the second end of the first exhaust pipeline is connected to the main oil charging pipeline, the third one-way valve is arranged on the first exhaust pipeline to introduce part of oil on the auxiliary oil charging pipeline into the main oil charging pipeline, the second exhaust part comprises a second exhaust pipeline and a fourth one-way valve, the first end of the second exhaust pipeline is connected to the main oil filling pipeline at a position between the third one-way valve and the main pump, the second end of the second exhaust pipe is communicated with the oil tank, and the fourth one-way valve is arranged on the second exhaust pipe to introduce the part of oil into the oil tank.
Further, still include a pressure release pipeline, a pressure drawing pipe and locate self-operated relief valve on the pressure release pipeline, the first end of pressure release pipeline connect in be located on the oil supply pipeline node between supplementary oil filling pipeline and the main oil filling pipeline with position department between the main equipment, the second end of pressure release pipeline with the oil tank intercommunication, the first end of pressure drawing pipe connect in the first end that is close to the oil supply end of main equipment on the oil supply pipeline, the second end with the intercommunication of self-operated relief valve.
Furthermore, the oil tank further comprises a safe pressure relief pipeline and a safety valve arranged on the safe pressure relief pipeline, wherein the first end of the safe pressure relief pipeline is communicated with the oil supply pipeline, and the second end of the safe pressure relief pipeline is communicated with the oil tank.
Further, the first exhaust part further comprises a first pressure gauge arranged at the first end of the first exhaust pipeline.
Further, the second exhaust part further comprises a throttle orifice plate arranged at the second exhaust pipeline close to the first end of the main oil charging pipeline and an oil flow filter arranged at a position between the throttle orifice plate and the fourth check valve on the second exhaust pipeline.
Furthermore, the oil pump also comprises a first compensator, and the main oil filling pipeline is connected with the oil suction end of the main pump through the first compensator.
Furthermore, the first end of the oil supply pipeline is connected with the oil outlet end of the main pump through a second compensator.
Further, the second end of the oil supply pipeline is connected with the oil supply end of the main device through a third compensator.
Further, the main equipment is gear box equipment, and the main pump is a gear pump.
Further, the auxiliary pump is a screw pump.
The utility model discloses an oil charge exhaust system at lubricating oil station at first starts the screw pump and is the gear box fuel feeding, exhausts for main oil charge pipeline simultaneously, starts and plays the preparation work before starting with main oil charge pipeline for the main pump, raises the efficiency, and the gas in the evacuation main oil charge pipeline makes the better operation of main oil charge pipeline and main pump. The main pump and the auxiliary pump can run simultaneously, lubricating oil in the gear box is constant at a certain set value through the safety valve and the self-operated pressure release valve, and the lubricating requirements of main equipment of different embodiments on the lubricating oil can be met. Wide application range and strong universality.
Drawings
Fig. 1 is a working principle diagram of the oil-filled exhaust system of the lubricating oil station when starting the auxiliary pump.
Fig. 2 is the working principle diagram of the utility model of the oil-filled exhaust system auxiliary pump and the main pump of the lubricating oil station starting simultaneously.
Fig. 3 is the working principle diagram of the oil-filled exhaust system auxiliary pump of the lubricating oil station after the stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the oil-filled exhaust system of the lubricating oil station of the present invention is used for providing lubricating oil for the equipment installed on the lubricating oil station until the equipment is lubricated. The lubricating oil station in this embodiment is mainly used for lubricating the gearbox, and therefore, the main equipment is the gearbox equipment, the main pump is the gear pump, and the auxiliary pump is the screw pump. Specifically, the oil-filling and air-discharging system of the lubricating oil station comprises a main oil-filling mechanism, an auxiliary oil-filling mechanism and an air-discharging mechanism, wherein the main oil-filling mechanism comprises a main oil-filling pipeline 61 connected between an oil suction end S1 of a main pump 601 of a main device 600 and an oil tank 602, an oil-supplying pipeline 62 arranged between an oil outlet end S2 of the main pump 601 and an oil supply end of the main device 600, a first oil-returning pipeline 63 arranged between the main device 600 and the oil tank 602, and a first one-way valve 64 arranged on the main oil-filling pipeline 61 and used for enabling oil in the main oil-filling pipeline 61 to flow in a one-way direction towards the main pump 601; the auxiliary oil filling mechanism comprises an auxiliary oil filling pipeline 65 connected between the oil tank 602 and the oil supply pipeline 62, an auxiliary pump 651 sequentially arranged on the auxiliary oil filling pipeline 65, and a second one-way valve 652 for enabling oil in the auxiliary oil filling pipeline 65 to flow in a one-way direction towards the main equipment 600; the air discharge mechanism includes a first air discharge portion including a first air discharge duct 661 and a third check valve 662, a first end of the first air discharge duct 661 is connected to the auxiliary oil charging duct 65 at a position between the auxiliary pump 651 and the second check valve 652, a second end of the first air discharge duct 661 is connected to the main oil charging duct 61, a third check valve 662 is provided on the first air discharge duct 661 to introduce part of the oil (the amount of the oil is determined by a threshold value of the check valve) on the auxiliary oil charging duct 65 into the main oil charging duct 61, the second air discharge portion includes a second air discharge duct 663 and a fourth check valve 664, a first end of the second air discharge duct 663 is connected to the main oil charging duct 61 at a position between the third check valve 662 and the main pump 601, a second end of the second exhaust duct 663 is communicated with the oil tank 602, and the fourth check valve 664 is arranged on the second exhaust duct 663 to introduce the part of oil into the oil tank 602. The working principle of the oil charging and exhausting system of the lubricating oil station is as follows: the auxiliary pump 651 is actuated to allow oil in the oil tank 602 to enter the main unit 600 through the oil supply line 62, and then flow into the oil tank 602 through the first oil return line 63 (see the auxiliary oil supply circuit in fig. 1), and at the same time, part of the oil in the auxiliary oil charging line 65 enters the first exhaust line 661 to open the third one-way valve 662, enters the main oil charging line 61, and then enters the second exhaust line 663 to open the fourth one-way valve 664, so that the part of the oil flows into the oil tank 602 (see the exhaust circuit in fig. 1), so that the main oil charging line 61 can be exhausted, because the main pump 601 is sucking oil at a high level, and air exists in the line, and therefore high-level evacuation is required. Secondly, starting the main pump 601, wherein the main pump 601 and the auxiliary pump 651 operate simultaneously, oil in the oil tank 602 enters the main pump 601 through the main oil filling pipeline 61 and then enters the oil supply pipeline 62 from the oil outlet end S2 of the main pump 601, so that oil in the main oil filling pipeline 61 and oil in the auxiliary oil filling pipeline 65 both enter the oil supply pipeline 62 to enter the main equipment 600 through the oil supply end of the main equipment 600, and the main equipment 600 is lubricated. And thirdly, stopping the auxiliary pump 651, keeping the main pump 601 running continuously, keeping the pressure constant at a set value through a self-operated pressure release valve, and after the auxiliary pump 651 stops, closing a third one-way valve 662 on the auxiliary oil charging pipeline 65 to automatically charge oil for the oil charging and exhausting work of the main oil charging pipeline 61. Fourthly, the main pump 601 runs to a stop, and can be carried out in two ways: (1) the main pump 601 driving motor is a variable frequency motor, so that oil pressure and flow are both reduced slowly along with the rotating speed of the motor, and thus, the main device 600 is guaranteed to be lubricated by oil when rotating. (2) Before the main pump 601 is stopped, the auxiliary pump 651 is restarted, and the main pump 601 and the auxiliary pump 651 are stopped in sequence.
In this embodiment, the pressure values of the third check valve 662 and the fourth check valve 664 are set to be about 0.1MPa, and the main functions of the check valves are to fill the exhaust gas before the main charging pipe 61 is started.
Oil-filled exhaust system at lubricating oil station still includes a pressure release pipeline 671, a pressure induction pipe 672 and locates self-operated relief valve 673 on the pressure release pipeline 671, the first end of pressure release pipeline 671 connect in supply pipe 62 go up and lie in supplementary oil charge pipeline 65 and main oil charge pipeline between the node with position department between the main equipment 600, the second end of pressure release pipeline 671 with oil tank 602 communicates, the first end of pressure induction pipe 672 connect in supply pipe 62 is close to the first end of the oil feed end of main equipment 600, the second end with the intercommunication of self-operated relief valve. The pressure is kept constant at a set value by the self-operated pressure relief valve 673, and when the pressure exceeds the set value, the self-operated pressure relief valve 673 is opened to allow the excess oil to flow back to the oil tank 602 through the pressure relief pipe 671. In this embodiment, the set value of the self-operated pressure release valve 673 is 0.35MPa, and when the oil pressure is greater than 0.35MPa, the self-operated pressure release valve 673 is fully automatic to ensure stable oil pressure and flow of the gearbox. Preferably, an instrument stop valve 674 is further arranged on the pressure guiding pipe.
The oil filling and exhausting system of the lubricating oil station further comprises a safety pressure relief pipeline 681 and a safety valve 682 arranged on the safety pressure relief pipeline 681, wherein the first end of the safety pressure relief pipeline 681 is communicated with the oil supply pipeline 62, and the second end of the safety pressure relief pipeline 681 is communicated with the oil tank 602. In this embodiment, the safety valve 682 has a set value of 0.6MPa, and when the oil pressure is greater than 0.6MPa (for example, when the equipment is in failure or has an error), the safety valve 682 operates to open the relief.
The first exhaust part further includes a first pressure gauge 665 provided at a first end position of the first exhaust duct 661. This makes it possible to detect the oil pressure in the first exhaust pipe 661 in real time. The second exhaust portion further includes an orifice plate 666 provided on the second exhaust pipe 663 near the first end of the main charging pipe and an oil flow filter 667 provided on the second exhaust pipe 663 at a position between the orifice plate 666 and the fourth check valve 664. The orifice plate is orifice plate 666 of 2mm specification.
The oil charging and exhausting system of the lubricating oil station further comprises a first compensator 691, and the main oil charging pipeline 61 is connected with an oil suction end S1 of the main pump through the first compensator 691. The first end of the oil supply line 62 is connected to the oil outlet end S2 of the main pump through a second compensator 692. A second end of the oil supply pipe 62 is connected to an oil supply end of the main device 600 through a third compensator 693. By adopting the structure, the expansion with heat and the contraction with cold of the pipeline can be avoided, and the better and more stable work of the oil-filled exhaust system is ensured.
The utility model discloses an oil charge exhaust system at lubricating oil station at first starts the screw pump and is the gear box fuel feeding, exhausts for main oil charging pipeline 61 simultaneously, starts and plays the preparation work before starting with main oil charging pipeline 61 for main pump 601, raises the efficiency, and the gas in the main oil charging pipeline 61 of evacuation makes the better operation of main oil charging pipeline 61 and main pump. The main pump 601 and the auxiliary pump 651 can run simultaneously, lubricating oil in the gearbox is enabled to be constant at a certain set value (set according to requirements of different embodiments) through the safety valve 682 and the self-operated pressure relief valve 673, and lubricating requirements of the main equipment 600 of different embodiments on the lubricating oil can be met. Wide application range and strong universality.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An oil filling exhaust system of a lubricating oil station is characterized in that: the oil filling device comprises a main oil filling mechanism, an auxiliary oil filling mechanism and an exhaust mechanism, wherein the main oil filling mechanism comprises a main oil filling pipeline connected between an oil suction end of a main pump of main equipment and an oil tank, an oil supply pipeline arranged between an oil outlet end of the main pump and an oil supply end of the main equipment, a first oil return pipeline arranged between the main equipment and the oil tank and a first one-way valve arranged on the main oil filling pipeline and used for enabling oil in the main oil filling pipeline to flow to the main pump in a one-way manner; the auxiliary oil filling mechanism comprises an auxiliary oil filling pipeline connected between the oil tank and the oil supply pipeline, an auxiliary pump sequentially arranged on the auxiliary oil filling pipeline and a second one-way valve used for enabling oil in the auxiliary oil filling pipeline to flow towards the main equipment in a one-way mode; the exhaust mechanism comprises a first exhaust part and a second exhaust part, the first exhaust part comprises a first exhaust pipeline and a third one-way valve, a first end of the first exhaust conduit is connected to the auxiliary oil charge conduit at a location between the auxiliary pump and the second one-way valve, the second end of the first exhaust pipeline is connected to the main oil charging pipeline, the third one-way valve is arranged on the first exhaust pipeline to introduce part of oil on the auxiliary oil charging pipeline into the main oil charging pipeline, the second exhaust part comprises a second exhaust pipeline and a fourth one-way valve, the first end of the second exhaust pipeline is connected to the main oil filling pipeline at a position between the third one-way valve and the main pump, the second end of the second exhaust pipe is communicated with the oil tank, and the fourth one-way valve is arranged on the second exhaust pipe to introduce the part of oil into the oil tank.
2. The oil charging and discharging system for a lubricating station of claim 1, wherein: still include a pressure release pipeline, a pressure drawing pipe and locate self-operated relief valve on the pressure release pipeline, the first end of pressure release pipeline connect in supply oil pipe is last to be located node between supplementary oil charge pipeline and the main oil charge pipeline with position department between the main equipment, the second end of pressure release pipeline with the oil tank intercommunication, the first end of pressure drawing pipe connect in supply oil pipe is last to be close to the first end of the supply oil end of main equipment, the second end with the intercommunication of self-operated relief valve.
3. The oil charging and discharging system for a lubricating station of claim 2, wherein: the oil tank is characterized by further comprising a safe pressure relief pipeline and a safety valve arranged on the safe pressure relief pipeline, the first end of the safe pressure relief pipeline is communicated with the oil supply pipeline, and the second end of the safe pressure relief pipeline is communicated with the oil tank.
4. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: the first exhaust part further comprises a first pressure gauge arranged at the first end of the first exhaust pipeline.
5. The oil charging and discharging system for a lubricating station of claim 4, wherein: the second exhaust portion further includes an orifice plate provided on the second exhaust pipe near the first end of the main charging pipe and an oil flow filter provided on the second exhaust pipe at a position between the orifice plate and the fourth check valve.
6. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: the oil pump also comprises a first compensator, and the main oil filling pipeline is connected with the oil suction end of the main pump through the first compensator.
7. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: and the first end of the oil supply pipeline is connected with the oil outlet end of the main pump through a second compensator.
8. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: and the second end of the oil supply pipeline is connected with the oil supply end of the main equipment through a third compensator.
9. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: the main equipment is gear box equipment, and the main pump is a gear pump.
10. The oil-filled gas discharge system for a lubricating oil station as set forth in any one of claims 1 to 3, wherein: the auxiliary pump is a screw pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477430.6U CN213452819U (en) | 2020-10-30 | 2020-10-30 | Oil-filling exhaust system of lubricating oil station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477430.6U CN213452819U (en) | 2020-10-30 | 2020-10-30 | Oil-filling exhaust system of lubricating oil station |
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| Publication Number | Publication Date |
|---|---|
| CN213452819U true CN213452819U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022477430.6U Active CN213452819U (en) | 2020-10-30 | 2020-10-30 | Oil-filling exhaust system of lubricating oil station |
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|---|---|
| CN (1) | CN213452819U (en) |
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2020
- 2020-10-30 CN CN202022477430.6U patent/CN213452819U/en active Active
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