CN104214498A - Centralized lubrication system - Google Patents
Centralized lubrication system Download PDFInfo
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- CN104214498A CN104214498A CN201410424330.3A CN201410424330A CN104214498A CN 104214498 A CN104214498 A CN 104214498A CN 201410424330 A CN201410424330 A CN 201410424330A CN 104214498 A CN104214498 A CN 104214498A
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Abstract
The invention discloses a centralized lubrication system, and belongs to the technical field of ocean engineering setup. The system comprises a lubrication pump station assembly, an injection assembly, an electric control assembly and a sensor, wherein the lubrication pump station assembly comprises a gas source unit for supplying compressed gas and a lubrication unit for supplying lubrication oil; the injection assembly comprises a gas nozzle and a lubrication oil nozzle; the gas nozzle and the lubrication oil nozzle are connected in parallel in a matched manner, and the injection directions of the gas nozzle and the lubrication oil nozzle face to a gear pair; the sensor is mounted at a position, which corresponds to the gear pair, on a gear cover; the gas nozzle and the lubrication oil nozzle are correspondingly connected with the gas source unit and the lubrication unit respectively; the electric control assembly is electrically connected with the gas source unit, the lubrication unit, the injection assembly and the sensor respectively. The sensor arranged on the gear cover matched with the gear pair is used for detecting a rotating speed and a steering direction of a gear and feeding back the rotating speed and the steering direction to the electric control assembly; the electric control assembly sends out an instruction in real time to control the lubrication pump station assembly and the injection assembly to work cooperatively and be automatically lubricated in time according to an actual working condition.
Description
Technical field
The present invention relates to offshore engineering equipment technical field, particularly a kind of centralized lubrication system.
Background technique
Along with China's marine petroleum exploitation is constantly expanded to deep-sea by coastal waters, more and more higher for the requirement carrying out the towing winch equipment throwing anchor operation for marine structure.This load being mainly manifested in towing winch is increasing, and structure principal dimensions is also increasing, also just more and more higher to the lubricating requirement of the driving gear of towing winch accordingly.
At present, for large-tonnage towing winch, the mode of regularly manually smearing oiling agent that adopts carries out lubrication work more, also there is the mode that small part adopts automatically controlled centralized lubrication.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Use that the mode workload of manually smearing oiling agent is large, efficiency is lower, existing automatically controlled centralized lubrication mode also because control system comparatively simply can only accomplish intermittent oiling, can not carry out adaptability lubrication according to the actual applying working condition of driving gear.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of centralized lubrication system, technological scheme is as follows:
A kind of centralized lubrication system, be applicable to lubricate gear pair, described gear pair is provided with the gear cover mated with described gear pair, described system comprises Lubricating pump station assembly, ejection assemblies, electrically-controlled component, sensor,
Described Lubricating pump station assembly comprises the gas source unit providing pressurized gas and the lubrication unit providing lubricant oil, described ejection assemblies comprises valve and Lubricating oil nozzle, described valve mate with the parallel connection of described Lubricating oil nozzle arrange and the injection direction of described valve and described Lubricating oil nozzle all towards described gear pair, described sensor is arranged on the position of corresponding described gear pair on described gear cover;
Described valve and Lubricating oil nozzle are corresponding to be respectively connected by pipeline with described gas source unit and lubrication unit, and described electrically-controlled component is connected with described gas source unit, lubrication unit, ejection assemblies, sensor electrical respectively.
Further, described lubrication unit comprises fuel tank, oil pump, motor, and described oil pump is driven by described motor, and the fluid input end of described oil pump is communicated with described Lubricating oil nozzle with described fuel tank with fluid output terminal is corresponding respectively.
Further, described lubrication unit also comprises the diverter valve that output terminal is at least provided with 2 pipe joints, the input end of described diverter valve is communicated with the fluid output terminal of described oil pump, and the output terminal of described diverter valve is communicated with the described Lubricating oil nozzle of ejection assemblies described in respective amount.
Further, described ejection assemblies also comprises the injection dish for opening and closing oil passage, the input end of described injection dish is communicated with the output terminal of described diverter valve, and the output terminal of described injection dish is communicated with Lubricating oil nozzle described at least one, and described injection dish is electrically connected with described electrically-controlled component.
Further, the input end of described injection dish and the output terminal of described diverter valve use soft pipe connection.
Further, described lubrication unit also comprises relief valve, and one end of described relief valve is connected on the pipeline between described oil pump and described diverter valve, and the other end of described relief valve connects described fuel tank.
Further, described gas source unit comprises compressed gas source and bi-bit bi-pass selector valve, the suction port of described bi-bit bi-pass selector valve is connected with described compressed gas source, the air outlet of described bi-bit bi-pass selector valve is connected with described valve, described bi-bit bi-pass selector valve in the first operative state described suction port is not communicated with air outlet, and described bi-bit bi-pass selector valve in a second operative state described suction port is communicated with air outlet.
Further, described gas source unit also comprises reduction valve, and described reduction valve is arranged on the pipeline between described compressed gas source and described bi-bit bi-pass selector valve.
Further, source of the gas warning device is provided with between described reduction valve and described compressed gas source.
Further, the pipeline between described compressed gas source and described source of the gas warning device is provided with the first normal opening ball valve, the pipeline between described bi-bit bi-pass selector valve and described valve is provided with the second normal opening ball valve.
The beneficial effect of the technological scheme that the embodiment of the present invention provides is:
By arranging sensor with the rotating speed of measuring gear and turn to and feed back to electrically-controlled component on the gear cover mated with gear pair, electrically-controlled component sends instruction in real time and controls Lubricating pump station assembly and ejection assemblies cooperating, the gear pair rotated is lubricated, reaches according to actual conditions self-lubricated effect in time.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of centralized lubrication system that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the towing winch that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
See Fig. 1, embodiments provide a kind of centralized lubrication system, be applicable to lubricate gear pair, gear pair is provided with the gear cover mated with gear pair, this system comprises Lubricating pump station assembly 1, ejection assemblies 2, electrically-controlled component 3, sensor (not shown), Lubricating pump station assembly 1 comprises the gas source unit 11 providing pressurized gas and the lubrication unit 12 providing lubricant oil, ejection assemblies 2 comprises valve 21 and Lubricating oil nozzle 22, the parallel connection of valve 21 and Lubricating oil nozzle 22 mate arrange and the injection direction of valve 21 and Lubricating oil nozzle 22 all towards gear pair, sensor is arranged on the position of corresponding teeth wheel set on gear cover, valve 21, Lubricating oil nozzle 22 are corresponding to be respectively connected by pipeline with gas source unit 11 and lubrication unit 12, and electrically-controlled component 3 is connected with gas source unit 11, lubrication unit 12, ejection assemblies 2, sensor electrical respectively.
Particularly, sensor opposed gear on gear cover is arranged, and sensor can be proximity switch, for measuring gear rotating speed and turn to, and the rotating speed of acquisition, turn signal are fed back to electrically-controlled component 3; When electrically-controlled component 3 detects the rotation of gear, instruction will be sent to lubrication system and work together with ejection assemblies 2 to control Lubricating pump station assembly 1, the gear pair rotated is lubricated.Lubrication unit 12 carries lubricant oil gas source unit 11 transporting compressed gas body, wherein, the input end of valve 21 is communicated with gas source unit 11, the input end of Lubricating oil nozzle 22 is communicated with lubrication unit 12, lubricant oil sprays at the output of Lubricating oil nozzle 22 and converges with the pressurized gas that the output of valve 21 sprays, form granular lubricant mist, the friction vice division chief being directly injected to gear pair in company with pressurized air lubricates.In practical work process, gear pair may exist multiple, electrically-controlled component 3 can according to the rotation number of turns of gear pair, rotating speed, load and the break-make of turn/stopping than the lubrication channel controlling corresponding gear pair set by user, and this lubricating system belongs to the self oiling mode of according to actual conditions, respective teeth wheel set being carried out to adaptability lubrication; Under special circumstances, also can choose particular gear pair at electrically-controlled component 3, control directly to carry out successional pressure lubrication at preset timed intervals to the gear pair chosen by electrically-controlled component 3.
Further, lubrication unit 12 comprises fuel tank 121, oil pump 122, motor 123, and oil pump 122 is driven by motor 123, and the fluid input end of oil pump 122 is communicated with Lubricating oil nozzle 22 with fuel tank 121 with fluid output terminal is corresponding respectively.
Particularly, fuel tank 121 provides lubricant oil, and lubricant oil can be continued to pump in pipeline by motor 123 and oil pump 122, final lubricant oil is transported to Lubricating oil nozzle 22 place.
Further, lubrication unit 12 also comprises the diverter valve 124 that output terminal is at least provided with 2 pipe joints, the input end of diverter valve 124 is connected with the fluid output terminal of oil pump 122, and the output terminal of diverter valve 124 is communicated with the Lubricating oil nozzle 22 of the ejection assemblies 2 of respective amount.
Particularly, in practical work process, multiple gear pair may be had in work simultaneously, the effect of diverter valve 124 is that the lubricant oil to coming from oil pump 122 is shunted, make to have near each gear pair with the use of Lubricating oil nozzle 22, meanwhile, diverter valve 124 is connected to electrically-controlled component 3, and on diverter valve 124, the oil passage of corresponding each ejection assemblies 2 can control break-make by electrically-controlled component 3; Certainly, in order to make oil lubrication even, the valve 21 of a coupling can be set near each Lubricating oil nozzle 22.
Further, ejection assemblies 2 also comprises the injection dish 23 for opening and closing oil passage, the input end of injection dish 23 is communicated with the output terminal of diverter valve 124, and the output terminal of injection dish 23 is communicated with at least one Lubricating oil nozzle 22, and injection dish 23 is electrically connected with electrically-controlled component 3.Preferably, the input end of injection dish 23 uses flexible pipe 24 to be communicated with the output terminal of diverter valve 124.
Particularly, injection dish 23 is arranged on gear cover, and the pipeline carrying lubricant oil to use in lubrication unit 12 is all hard tubes, near gear cover, uses flexible pipe 24 to be communicated with injection dish 23 by hard tube, is convenient to mounting point and the angle of coordinating injection dish 23; Gear size is different and spray regime that is Lubricating oil nozzle 22 is limited, so injection dish 23 can be communicated with multiple Lubricating oil nozzle 22 to adapt to spray the gear of large-size; When working gear, oil passage opened by the injection dish 23 that electrically-controlled component 3 controls working gear place corresponding, completes lubrication operation.
Further, lubrication unit 12 also comprises relief valve 125, and one end of relief valve 125 is connected on the pipeline between oil pump 122 and diverter valve 124, and the other end of relief valve 125 connects fuel tank 121.
Particularly, when the oil pressure of the lubricant oil in pipeline is larger, for avoiding damaging the associated component in system pipeline, partial high pressure oil can get back to fuel tank 121 through relief valve 125.
Further, oil circuit warning device 126 is provided with between diverter valve 124 and oil pump 122.
Particularly, high oil level induction installation and low oil level induction installation can be set in fuel tank 121, the liquid level be electrically connected for responding to lubricant oil in fuel tank 121 changes two induction installations with electrically-controlled component 3 respectively, when the lubricant oil liquid level in fuel tank 121 is lower, illustrate that lubricant oil is not enough, now electrically-controlled component 3 sends instruction oil circuit control warning device 126 and reports to the police.Can also arrange between diverter valve 124 and oil pump 122 and detect the flowmeter of flow of lubrication, the filter of filtering lubricant oil and can the normal opening ball valve etc. of emergency cut-off lubricating oil pipeline.
Further, gas source unit 11 comprises compressed gas source 111, bi-bit bi-pass selector valve 112, the suction port of bi-bit bi-pass selector valve 112 is connected with compressed gas source 111, the air outlet of bi-bit bi-pass selector valve 112 is connected with valve, bi-bit bi-pass selector valve 112 in the first operative state suction port, air outlet is not communicated with, and bi-bit bi-pass selector valve 112 in a second operative state suction port, air outlet is communicated with.
Particularly, gas source unit 11 provides pressurized gas to carry out lubrication work together for coordinating lubrication unit 12, and bi-bit bi-pass selector valve 112 is for conducting or block gas pipeline.
Further, gas source unit 11 also comprises reduction valve 113, and reduction valve 113 is arranged on the pipeline between compressed gas source 111 and bi-bit bi-pass selector valve 112.
Particularly, the gas pressure that compressed gas source 111 place provides is general comparatively large, directly passes into the associated component in easy damage system in pipeline, by the adjustment of reduction valve 113, the pressure of high pressure compressed gas can be reduced to suitable degree for system.
Further, source of the gas warning device 114 is provided with between reduction valve 113 and compressed gas source 111.
Particularly, source of the gas warning device 114, in the situations such as circuit failure, does not have in gas pipeline that flow of the compressed gas is out-of-date to give a warning.
Further, the pipeline between compressed gas source 111 and source of the gas warning device 114 is provided with the first normal opening ball valve 115, the pipeline between bi-bit bi-pass selector valve 112 and valve 21 is provided with the second normal opening ball valve 116.
Particularly, in bi-bit bi-pass selector valve 112 fault, when pressurized gas in pipeline can not cut off or when needing to carry out gas circuit maintenance, the first normal opening ball valve 115 or the second normal opening ball valve 116 can be closed, avoid damaging the relevant apparatus in pipeline or waste pressurized gas resource.Pipeline between compressed gas source 111 and source of the gas warning device 114 is also arranged the filter filtering pressurized gas and detect the flowmeter of compression gas flow.
Preferably, electrically-controlled component 3 is PLC (Programmable Logic Controller, programmable logic controller (PLC)).
As shown in Figure 2, for the structural drawing of Wuhan Marine Machinery Plant Co., Ltd. 250t tri-cylinder towing winch, the lubricating system of the present embodiment centralized lubrication system is described for this towing winch, this towing winch comprises three cylinders 5a, 5b, 5c, a live axle 6 is also provided with between cylinder, the two ends of live axle 6 are respectively provided with high speed gearwheel 10a, a 10b for transmission, and wherein the high speed gearwheel 10a of one end engages with high speed pinion gear 7a, 7b respectively, form two-stage transmission totally two gear pairs; The other end arranges two high speed pinion gear 7c, 7d equally and engages with the high speed gearwheel 10b of live axle 6 axle head respectively, and also form two-stage transmission two gear pairs, the two ends of live axle form totally four gear pairs altogether, and each high speed pinion gear is driven by a motor 11; Live axle 6 is provided with three low speed pinions 8a, 8b, 8c, and corresponding engagement with three on cylinder drum gear 9a, 9b, a 9c forms totally three gear pairs respectively.
Centralized lubrication system can be divided into self oiling and pressure lubrication two kinds of lubricating systems according to actual conditions; Action while the operating mode of towing winch is divided into the single movement of any single cylinder and any two cylinders.
The lubricating system of the centralized lubrication system of this towing winch is specific as follows:
Self oiling mode:
1, when single cylinder full load action, as cylinder 5a full-load operation, lubrication operation and drum action link; Now (high speed pinion gear 7c, 7d engage formation two gear pairs with corresponding high speed gearwheel 10b to bilateral each two gear pairs of cylinder 5a respectively; High speed pinion gear 7a, 7b respectively with corresponding high speed pinion gear high speed gearwheel 10a) work, in respective drive 6, a low speed pinion 8a coordinates with the drum gear 9a on working drum 5a the gear pair work formed simultaneously, totally 3 gear pairs need to carry out lubrication action, high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, during gear pair work, sensor can sense, finally controls ejection assemblies 2 by electrically-controlled component 3 and carries out self oiling.
2, when single cylinder halfload action, as the work of cylinder 5b halfload, lubrication operation and drum action link; Two gear pairs (high speed pinion gear 7c, 7d engage with the high speed gearwheel 10b of live axle 6 end two gear pairs formed by motor driving) of two now monolateral motors work, but high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, the drum gear 9b of corresponding working drum 5b engages the gear pair action formed with low speed pinion 8b simultaneously, and totally 2 gear pairs need to carry out lubrication operation.
3, when twin-roll action simultaneously, as cylinder 5b, 5c work simultaneously, lubrication operation and drum action link; The motor that now cylinder is bilateral respectively has a gear pair (high speed pinion gear 7a, 7b, 7c, 7d engage with corresponding high speed gearwheel 10a, 10b the gear pair formed respectively) action, but high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, two gear pairs (drum gear 9b, 9c engage with corresponding low speed pinion 8b, 8c the gear pair formed respectively) action simultaneously in respective drive, totally 4 gear pairs need to carry out lubrication operation.
When using self oiling mode, turn/can stopping than setting to gear according to gear rotational speed, load the person's of being combined experience, lubricating according to the set gear pair turn/stopped than being controlled by electrically-controlled component 3 carrying.
Pressure lubrication operating mode:
Pressure lubrication pattern is generally case of emergency, can choose the gear pair of more specific needs lubrications, be controlled to carry out continuous lubrication by electrically-controlled component 3.
A kind of centralized lubrication system that the embodiment of the present invention provides by arranging sensor with the rotating speed of measuring gear and turn to and feed back to electrically-controlled component on the gear cover mated with gear pair, electrically-controlled component sends instruction in real time and controls Lubricating pump station assembly and ejection assemblies cooperating, the gear pair rotated is lubricated, reaches according to actual conditions self-lubricated effect in time.Particularly when gear pair is more, can arrange diverter valve and separate and organize oil passage more in lubrication unit, often locate gear pair and all mate and has corresponding ejection assemblies, electrically-controlled component can carry out self oiling adaptively according to the actual conditions of each gear pair.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
As shown in Figure 2, for the structural drawing of Wuhan Marine Machinery Plant Co., Ltd. 250t tri-cylinder towing winch, the lubricating system of the present embodiment centralized lubrication system is described for this towing winch, this towing winch comprises three cylinders 5a, 5b, 5c, a live axle 6 is also provided with between cylinder, the two ends of live axle 6 are respectively provided with high speed gearwheel 10a, a 10b for transmission, and wherein the high speed gearwheel 10a of one end engages with high speed pinion gear 7a, 7b respectively, form two-stage transmission totally two gear pairs; The other end arranges two high speed pinion gear 7c, 7d equally and engages with the high speed gearwheel 10b of live axle 6 axle head respectively, and also form two-stage transmission two gear pairs, the two ends of live axle form totally four gear pairs altogether, and each high speed pinion gear is driven by a motor 11; Live axle 6 is provided with three low speed pinions 8a, 8b, 8c, and corresponding engagement with three on cylinder drum gear 9a, 9b, a 9c forms totally three gear pairs respectively.
Centralized lubrication system can be divided into self oiling and pressure lubrication two kinds of lubricating systems according to actual conditions; Action while the operating mode of towing winch is divided into the single movement of any single cylinder and any two cylinders.
The lubricating system of the centralized lubrication system of this towing winch is specific as follows:
Self oiling mode:
1, when single cylinder full load action, as cylinder 5a full-load operation, lubrication operation and drum action link; Now (high speed pinion gear 7c, 7d engage formation two gear pairs with corresponding high speed gearwheel 10b to bilateral each two gear pairs of cylinder 5a respectively; High speed pinion gear 7a, 7b respectively with corresponding high speed pinion gear high speed gearwheel 10a) work, in respective drive 6, a low speed pinion 8a coordinates with the drum gear 9a on working drum 5a the gear pair work formed simultaneously, totally 3 gear pairs need to carry out lubrication action, high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, during gear pair work, sensor can sense, finally controls ejection assemblies 2 by electrically-controlled component 3 and carries out self oiling.
2, when single cylinder halfload action, as the work of cylinder 5b halfload, lubrication operation and drum action link; Two gear pairs (high speed pinion gear 7c, 7d engage with the high speed gearwheel 10b of live axle 6 end two gear pairs formed by motor driving) of two now monolateral motors work, but high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, the drum gear 9b of corresponding working drum 5b engages the gear pair action formed with low speed pinion 8b simultaneously, and totally 2 gear pairs need to carry out lubrication operation.
3, when twin-roll action simultaneously, as cylinder 5b, 5c work simultaneously, lubrication operation and drum action link; The motor that now cylinder is bilateral respectively has a gear pair (high speed pinion gear 7a, 7b, 7c, 7d engage with corresponding high speed gearwheel 10a, 10b the gear pair formed respectively) action, but high speed gearwheel engages with two high speed pinion gear the gear pair formed and only uses lubrication one, two gear pairs (drum gear 9b, 9c engage with corresponding low speed pinion 8b, 8c the gear pair formed respectively) action simultaneously in respective drive, totally 4 gear pairs need to carry out lubrication operation.
When using self oiling mode, turn/can stopping than setting to gear according to gear rotational speed, load the person's of being combined experience, lubricating according to the set gear pair turn/stopped than being controlled by electrically-controlled component 3 carrying.
Pressure lubrication operating mode:
Pressure lubrication pattern is generally case of emergency, can choose the gear pair of more specific needs lubrications, be controlled to carry out continuous lubrication by electrically-controlled component 3.
A kind of centralized lubrication system that the embodiment of the present invention provides by arranging sensor with the rotating speed of measuring gear and turn to and feed back to electrically-controlled component on the gear cover mated with gear pair, electrically-controlled component sends instruction in real time and controls Lubricating pump station assembly and ejection assemblies cooperating, the gear pair rotated is lubricated, reaches according to actual conditions self-lubricated effect in time.Particularly when gear pair is more, can arrange diverter valve and separate and organize oil passage more in lubrication unit, often locate gear pair and all mate and has corresponding ejection assemblies, electrically-controlled component can carry out self oiling adaptively according to the actual conditions of each gear pair.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a centralized lubrication system, is applicable to lubricate gear pair, and described gear pair is provided with the gear cover mated with described gear pair, it is characterized in that, described system comprises Lubricating pump station assembly, ejection assemblies, electrically-controlled component, sensor,
Described Lubricating pump station assembly comprises the gas source unit providing pressurized gas and the lubrication unit providing lubricant oil, described ejection assemblies comprises valve and Lubricating oil nozzle, described valve mate with the parallel connection of described Lubricating oil nozzle arrange and the injection direction of described valve and described Lubricating oil nozzle all towards described gear pair, described sensor is arranged on the position of corresponding described gear pair on described gear cover;
Described valve and Lubricating oil nozzle are corresponding to be respectively connected by pipeline with described gas source unit and lubrication unit, and described electrically-controlled component is connected with described gas source unit, lubrication unit, ejection assemblies, sensor electrical respectively.
2. system according to claim 1, it is characterized in that, described lubrication unit comprises fuel tank, oil pump, motor, and described oil pump is driven by described motor, and the fluid input end of described oil pump is communicated with described Lubricating oil nozzle with described fuel tank with fluid output terminal is corresponding respectively.
3. system according to claim 2, it is characterized in that, described lubrication unit also comprises the diverter valve that output terminal is at least provided with 2 pipe joints, the input end of described diverter valve is communicated with the fluid output terminal of described oil pump, and the output terminal of described diverter valve is communicated with the described Lubricating oil nozzle of ejection assemblies described in respective amount.
4. system according to claim 3, it is characterized in that, described ejection assemblies also comprises the injection dish for opening and closing oil passage, the input end of described injection dish is communicated with the output terminal of described diverter valve, the output terminal of described injection dish is communicated with Lubricating oil nozzle described at least one, and described injection dish is electrically connected with described electrically-controlled component.
5. system according to claim 3, is characterized in that, the input end of described injection dish and the output terminal of described diverter valve use soft pipe connection.
6. system according to claim 3, is characterized in that, described lubrication unit also comprises relief valve, and one end of described relief valve is connected on the pipeline between described oil pump and described diverter valve, and the other end of described relief valve connects described fuel tank.
7. system according to claim 1, it is characterized in that, described gas source unit comprises compressed gas source and bi-bit bi-pass selector valve, the suction port of described bi-bit bi-pass selector valve is connected with described compressed gas source, the air outlet of described bi-bit bi-pass selector valve is connected with described valve, described bi-bit bi-pass selector valve in the first operative state described suction port is not communicated with air outlet, and described bi-bit bi-pass selector valve in a second operative state described suction port is communicated with air outlet.
8. system according to claim 7, is characterized in that, described gas source unit also comprises reduction valve, and described reduction valve is arranged on the pipeline between described compressed gas source and described bi-bit bi-pass selector valve.
9. system according to claim 8, is characterized in that, is provided with source of the gas warning device between described reduction valve and described compressed gas source.
10. system according to claim 9, is characterized in that, the pipeline between described compressed gas source and described source of the gas warning device is provided with the first normal opening ball valve, the pipeline between described bi-bit bi-pass selector valve and described valve is provided with the second normal opening ball valve.
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| CN201410424330.3A CN104214498A (en) | 2014-08-26 | 2014-08-26 | Centralized lubrication system |
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| CN105135190A (en) * | 2015-06-19 | 2015-12-09 | 武汉船用机械有限责任公司 | Lubrication system applied to towing engine and testing method for lubrication system |
| CN106439460A (en) * | 2016-03-24 | 2017-02-22 | 北京中冶华润科技发展有限公司 | Anti-attrition lubricating system for locomotive wheel track |
| CN108506466A (en) * | 2018-04-03 | 2018-09-07 | 青岛宏达锻压机械有限公司 | Electric screw press gear pair automatic lubricating system |
| CN109268477A (en) * | 2018-10-18 | 2019-01-25 | 江苏大学 | A kind of automatically controlled automatic spray lubricating arrangement of gearbox and control method |
| CN110092164A (en) * | 2019-05-22 | 2019-08-06 | 湛江宝钢新型建材科技有限公司 | The automatic oil dripping device of traveling shiploader |
| CN111043090A (en) * | 2019-10-14 | 2020-04-21 | 武汉船用机械有限责任公司 | Hydraulic control system for a water jet propulsion device |
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| CN203743796U (en) * | 2014-02-25 | 2014-07-30 | 孙启国 | Oil and air centralization lubrication device |
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| CN106439460A (en) * | 2016-03-24 | 2017-02-22 | 北京中冶华润科技发展有限公司 | Anti-attrition lubricating system for locomotive wheel track |
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