CN205101829U - Lubricated oil feeding system of cold starting protection device in area - Google Patents
Lubricated oil feeding system of cold starting protection device in area Download PDFInfo
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- CN205101829U CN205101829U CN201520826117.5U CN201520826117U CN205101829U CN 205101829 U CN205101829 U CN 205101829U CN 201520826117 U CN201520826117 U CN 201520826117U CN 205101829 U CN205101829 U CN 205101829U
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Abstract
The utility model discloses a lubricated oil feeding system of cold starting protection device in area. It includes the pump unit of being connected with the oil tank, is equipped with in the pump unit export that a working connection loops through the filter, the cooler is connected with the oil -feed port, and the host devices lubrication points is linked to the oil -feed port, it passes through relief valve and pump unit entry linkage to be equipped with a bypass in the pump unit export, be equipped with still in pump unit export that pressure control valve is passed through in another bypass or S type through type check valve is direct is connected with the oil -feed port, pressure control valve chooses for use cracking pressure to be 4 -6bar's pressure control valve, S type through type check valve chooses for use cracking pressure to be 4 -6bar's S type through type check valve. The utility model discloses can effective protection pump the especially safety of manometer of the hou mian component of hydraulic fluid port, effectively improve lubricating system's work efficiency, extension lubricating system's operating time and life -span, guarantee that user's product is accomplished according to matter according to quantity, improve user's economic benefits, make the resource obtain the rational utilization of maximize.
Description
Technical field
The utility model belongs to lubrication technical field, relates to a kind of lubricating oil supply system with cold start-up protective gear.
Background technique
Lubrication system often runs into cold-starting problem (i.e. cold start-up), especially often occurs when winter starts lubricant pump.Conventional design theory enters filter, cooler successively from the oil outlet of lubricant pump, can install some Detecting elements, then enter main process equipment at the oil-feed port place of lubrication system.
When lubricant pump cold start-up, the loine pressure pumping hydraulic fluid port can increase instantaneously, makes gauge hand exceed its range.When pressure decreases, gauge hand is change not, the irreversible infringement of build-up of pressure table.No matter be at oneself In-Plant Test, or all cause the increase of resources costs in the on-the-spot formal start of user.Whether this can make user can normally work to lubrication system to throw doubt upon, and reduces user to the confidence of lubrication system, rival also can be allowed to have an opportunity to take advantage of, and lubrication system producer competitive ability is commercially declined, causes the rising of human and material resources cost.
Rule of thumb draw: when lubricating oil temperature is lower than 15 DEG C, can think the state reaching cold start-up.The lubricating oil viscosity scope used in lubrication system from 46cst ~ 320cst not etc., in the majority wherein with 320cst.The viscosity nearly 2045cst of ISO-VG320 lubricant oil 15 DEG C time, viscosity is very large, substantially increases the oil-pumping resistance of pump.
The lubricating oil supply system not with cold start-up protective gear conventional in prior art, as shown in Figure 1, it comprises the pump-unit 2 be connected with fuel tank 1, and be provided with a working connection in pump-unit 2 outlet and be connected with oil-feed port by filter 4, cooler 5 successively, oil-feed port links main process equipment lubricating point; Its working principle is: the oil that pump is released (is generally duplex filter through filter 4, a filter cylinder job, another filter cylinder is for subsequent use), cooler 5 (if any two, then work, another is for subsequent use), finally enter main process equipment; Generally at oil-feed port place, a pressure gauge 6, thermometer 7 can be installed, sometimes a pressure switch 8 also can be installed, to facilitate user, lubrication system be observed and Real-Time Monitoring; In addition, a bypass is established to be connected with pump-unit entrance by safety valve 3, to protect the safety of whole system in pump-unit outlet.
When lubricant pump cold start-up, because the oil-pumping resistance of pump is very big, the loine pressure pumping hydraulic fluid port is increased instantaneously, gauge hand can swing rapidly simultaneously.If the safety valve setting value pumping hydraulic fluid port forgets adjustment safety valve higher than manometric range or tester, now gauge hand very likely refers to outside its range ability.When pressure decreases, gauge hand does not change, the irreversible infringement of build-up of pressure table.
Long-term operation like this, not only can reduce the working life of lubricant pump, and can affect the stability of whole system.Due to the pressure gauge that more renew under the prerequisite that must shut down in lubrication system, the supporting main process equipment of lubrication system also has to shut down, and the output of consumer products certainly will be caused to reduce, affect the economic benefit of user, cause the serious waste of resource.
Therefore the cold start-up problem of lubricant pump must be considered, and design a set of protective gear, to avoid the generation of above-mentioned event, improve quality and the life-span of lubrication system.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of lubricating oil supply system of the band cold start-up protective gear can protected cold starting system is provided, to solve current Problems existing, improves the quality of products; eliminate the adverse effect that user is caused, increase the competitive ability in market.
Design of the present utility model is as follows: during due to lubricant pump cold start-up, loine pressure increases instantaneously, causes adverse effect to element on oil feed line especially pressure gauge.If so we design two oil feed lines, do not allow when the loine pressure pumping hydraulic fluid port is very large lubricant oil through pumping the oil circuit at the element place after hydraulic fluid port, but allow lubricant oil directly enter main process equipment from another oil circuit.Can not only protect like this and pump the especially manometric safety of hydraulic fluid port element below, and can allow lubricant oil is continual flows to main process equipment, main process equipment does not have the possibility of shutdown yet.By finding the study of pressure controlled valve, when the inlet pressure of pressure controlled valve is greater than its cracking pressure, Stress control valve core is opened, and fluid flows through pressure controlled valve and flows to next element (or equipment).Because the cracking pressure kind of pressure controlled valve is a lot, again because the pipeline of lubrication system generally has 1 ~ 4bar not along stroke pressure loss.If therefore the pressure controlled valve selecting cracking pressure to be greater than this value is arranged on that above-mentioned oil circuit, then can avoid the problem produced during lubricant pump cold start-up, thus reach the purpose of this utility model.In like manner, select S type Through-conduit check valve to replace pressure controlled valve, also can play same effect, can the purpose of this utility model be reached.
The technical solution of the utility model is as follows:
With a lubricating oil supply system for cold start-up protective gear, it comprises the pump-unit be connected with fuel tank, and be provided with a working connection in pump-unit outlet and be connected with oil-feed port by filter, cooler successively, oil-feed port links main process equipment lubricating point; Be provided with a bypass in pump-unit outlet to be connected with pump-unit entrance by safety valve; Also be provided with another bypass in pump-unit outlet to be directly connected with oil-feed port by pressure controlled valve or S type Through-conduit check valve; Described pressure controlled valve selects cracking pressure to be the pressure controlled valve of 4-6bar; Described S type Through-conduit check valve selects cracking pressure to be the S type Through-conduit check valve of 4-6bar.
Further, described pressure controlled valve selects cracking pressure to be the pressure controlled valve of 5bar; Described S type Through-conduit check valve selects cracking pressure to be the S type Through-conduit check valve of 5bar.
Further, the pressure settings of described safety valve are 10-12bar.
Further, on working connection, oil-feed port place is also provided with pressure gauge, thermometer and pressure switch.
The beneficial effects of the utility model:
The lubricating oil supply system of band cold start-up protective gear of the present utility model; the especially manometric safety of hydraulic fluid port element below can be pumped by available protecting; extend the working life of lubricant pump; effectively improve the working efficiency of lubrication system; extend operating time and the life-span of lubrication system; ensure that the product yield of user completes by volume by matter, improve the economic benefit of user, make resource obtain maximized Appropriate application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lubricating oil supply system not with cold start-up protective gear conventional in prior art;
Fig. 2 is the structural representation of a kind of lubricating oil supply system with cold start-up protective gear of the utility model;
Fig. 3 is the structural representation of the lubricating oil supply system of the utility model another kind band cold start-up protective gear.
In figure: 1, fuel tank 2, pump-unit 3, safety valve 4, filter 5, cooler 6, pressure gauge 7, thermometer 8, pressure switch 9, pressure controlled valve 10, S type Through-conduit check valve
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1
As shown in Figure 2, a kind of lubricating oil supply system with cold start-up protective gear of the utility model, it comprises the pump-unit 2 be connected with fuel tank 1, and be provided with a working connection in pump-unit 2 outlet and be connected with oil-feed port by filter 4, cooler 5 successively, oil-feed port links main process equipment lubricating point; On working connection, oil-feed port place is also provided with pressure gauge 6, thermometer 7, pressure switch 8; Be provided with a bypass in pump-unit 2 outlet to be connected with pump-unit 2 entrance by safety valve 3; Export at pump-unit 2 and be also provided with another bypass and be directly connected with oil-feed port by pressure controlled valve 9, oil-feed port links main process equipment lubricating point.
The utility model arranges a set of pump-unit 2 in fuel tank 1 outlet; in order to protect the safety of whole system; or a safety valve 3 to be joined pumping hydraulic fluid port, considering that again the design of system is convenient, cost optimization, selecting the pump carrying safety valve with most suitable on this system.Pump hydraulic fluid port to be divided into two oil circuits and to be connected with oil-feed port and to enter main process equipment:
, a working connection: (be generally duplex filter through filter 4, a filter cylinder job, another filter cylinder is for subsequent use), cooler 5 is (if any two, then work, another is for subsequent use), a pressure gauge 6, thermometer 7 is installed at oil-feed port place, also a pressure switch 8 is installed, finally enters main process equipment.
Another oil circuit: directly enter main process equipment after pressure controlled valve.Because this oil circuit is just arranged in order to avoid having problems during pump cold start-up, therefore still based on Article 1 oil circuit (working connection) during normal work, the major function of lubrication system is lubrication main frame bearing (or gear) and the temperature reducing bearing (or gear) after all.The pressure gauge at oil-feed port place, thermometer, pressure switch facilitate user to the observation of lubrication system and Real-Time Monitoring.
Drawn by theoretical research and practice, selection cracking pressure is that the pressure controlled valve of 5bar is most suitable.Because during system worked well, load give pressure (namely lubricant oil along stroke pressure loss) be generally no more than 5bar, at about 3bar.So when cold start-up does not appear in pump, lubricant oil is also through the filtration of filter, the cooling of cooler, sends lubricant oil that is clean, preference temperature to main process equipment.
When lubricant pump cold start-up, the loine pressure pumping hydraulic fluid port increases instantaneously, and when pressure is lower than 5bar, lubricant oil still flows to main process equipment from working connection; And (now just in time reaching the unlocking condition of pressure controlled valve 9) when pressure reaches 5bar, pressure controlled valve 9 spool is opened, and fluid flows to main process equipment from pressure controlled valve 9.Now working connection still has lubricant oil to flow through, just pressure is lower than 5bar, and such pressure controlled valve 9 serves the effect of shunting, thus reaches the function of protective system element.
Run into oil-feed port resistance to increase when lubrication system normally works, pressure is caused constantly to raise, when pressure reaches 5bar, lubricant oil flows through from this oil circuit of pressure controlled valve 9, now pressure still continues to raise, and in order to the safety of system, therefore the safety valve 3 that pump carries must arrange a value, continue in order to stop pressure to raise, this value is generally 10-12bar.So pressure controlled valve 9 and safety valve 3 protect the safety and stablization of whole system jointly.
Embodiment 2
As shown in Figure 3, a kind of lubricating oil supply system with cold start-up protective gear of the utility model, it comprises the pump-unit 2 be connected with fuel tank 1, and be provided with a working connection in pump-unit 2 outlet and be connected with oil-feed port by filter 4, cooler 5 successively, oil-feed port links main process equipment lubricating point; On working connection, oil-feed port place is also provided with pressure gauge 6, thermometer 7, pressure switch 8; Be provided with a bypass in pump-unit 2 outlet to be connected with pump-unit 2 entrance by safety valve 3; Export at pump-unit 2 and be also provided with another bypass and be directly connected with oil-feed port by S type Through-conduit check valve 10, oil-feed port links main process equipment lubricating point.The cracking pressure of S type Through-conduit check valve 10 is 5bar; The pressure settings of safety valve 3 are 10-12bar.
When lubricant pump cold start-up, the loine pressure pumping hydraulic fluid port increases instantaneously, and when pressure is lower than 5bar, lubricant oil still flows to main process equipment from working connection; And (now just in time reaching the unlocking condition of S type Through-conduit check valve 10) when pressure reaches 5bar, the spool of S type Through-conduit check valve 10 is opened, and fluid flows to main process equipment from S type Through-conduit check valve 10.Now working connection still has lubricant oil to flow through, just pressure is lower than 5bar, and such S type Through-conduit check valve 10 serves the effect of shunting, thus reaches the function of protective system element.
Run into oil-feed port resistance to increase when lubrication system normally works, cause pressure constantly to raise, when pressure reaches 5bar, lubricant oil flows through from this oil circuit of S type Through-conduit check valve 10, when pressure continues to raise, when reaching 10-12bar, the safety valve 3 that pump carries starts.So S type Through-conduit check valve 10 and safety valve 3 protect the safety and stablization of whole system jointly.
Claims (5)
1. the lubricating oil supply system with cold start-up protective gear, it comprises the pump-unit be connected with fuel tank, and be provided with a working connection in pump-unit outlet and be connected with oil-feed port by filter, cooler successively, oil-feed port links main process equipment lubricating point; Be provided with a bypass in pump-unit outlet to be connected with pump-unit entrance by safety valve; It is characterized in that, be also provided with another bypass in pump-unit outlet and be directly connected with oil-feed port by pressure controlled valve or S type Through-conduit check valve; Described pressure controlled valve selects cracking pressure to be the pressure controlled valve of 4-6bar; Described S type Through-conduit check valve selects cracking pressure to be the S type Through-conduit check valve of 4-6bar.
2. the lubricating oil supply system of band cold start-up protective gear as claimed in claim 1, is characterized in that, described pressure controlled valve selects cracking pressure to be the pressure controlled valve of 5bar; Described S type Through-conduit check valve selects cracking pressure to be the S type Through-conduit check valve of 5bar.
3. the lubricating oil supply system of band cold start-up protective gear as claimed in claim 1 or 2, it is characterized in that, the pressure settings of described safety valve are 10-12bar.
4. the lubricating oil supply system of band cold start-up protective gear as claimed in claim 1 or 2, it is characterized in that, on working connection, oil-feed port place is also provided with pressure gauge and thermometer.
5. the lubricating oil supply system of band cold start-up protective gear as claimed in claim 4, it is characterized in that, on working connection, oil-feed port place is also provided with pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826117.5U CN205101829U (en) | 2015-10-21 | 2015-10-21 | Lubricated oil feeding system of cold starting protection device in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826117.5U CN205101829U (en) | 2015-10-21 | 2015-10-21 | Lubricated oil feeding system of cold starting protection device in area |
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| CN205101829U true CN205101829U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520826117.5U Active CN205101829U (en) | 2015-10-21 | 2015-10-21 | Lubricated oil feeding system of cold starting protection device in area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548080A (en) * | 2018-06-12 | 2018-09-18 | 苏州加拉泰克动力有限公司 | Oil piping system and its circulation controlling means |
| CN108895299A (en) * | 2018-06-12 | 2018-11-27 | 苏州加拉泰克动力有限公司 | Oil cooled system system and its circulation controlling means |
-
2015
- 2015-10-21 CN CN201520826117.5U patent/CN205101829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548080A (en) * | 2018-06-12 | 2018-09-18 | 苏州加拉泰克动力有限公司 | Oil piping system and its circulation controlling means |
| CN108895299A (en) * | 2018-06-12 | 2018-11-27 | 苏州加拉泰克动力有限公司 | Oil cooled system system and its circulation controlling means |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |