CN206753886U - A kind of quick oil pump oil discharging device for establishing oil pressure - Google Patents

Abstract

It the utility model is related to vertical technical field of oil pump equipment, specifically disclose a kind of quick oil pump oil discharging device for establishing oil pressure, including for extracting the oil suction mechanism (1) of lubricating oil from oil sump and for the oil transportation mechanism (2) to workpiece fuel feeding, the oil suction mechanism (1) is connected by flange group (3) with oil transportation mechanism (2), also include being used for the bypass oil return mechanism (4) for forming fluid fluid-tight, bypass oil return mechanism (4) upper end connects with oil transportation mechanism (2) top, bypass oil return mechanism (4) lower end is connected by crossover sub (5) with the lower wall of oil suction mechanism (1), the position of the crossover sub (5) is less than the minimum work liquid level of oil suction mechanism (1).After the present apparatus is without additionally increasing accumulator with regard to that can ensure oil pump shutdown, lubricating oil liquid level does not reduce in its outlet line, and start can realize quick fuel feeding again.

Description

A kind of quick oil pump oil discharging device for establishing oil pressure

Technical field

The utility model is related to vertical technical field of oil pump equipment, and in particular to it is a kind of it is quick establish oil pressure oil pump it is fuel-displaced Device.

Background technology

With the continuous development of China's scientific and technological level, all trades and professions also step up to the demand of electric power resource.At present, I The major power station of state is just gradually being taken seriously to the maintenance work of generating set.And the lubrication of generating set is to safeguard to protect Support the emphasis of operation, because generating set is all in continuous high load capacity working condition, its power is big, rotating speed is high, its bearing housing and Dynamic regulating mechanism is required for configuring special lubricating oil station to provide bearing lubrication and movable vane adjustment fluid pressure drive device oil.It is existing In technology, typically carried out for lubrication of the generating set about part using grease pump.Grease pump is broadly divided into vertical With horizontal two kinds, because horizontal oil pump volume is big, the space of occupancy is more, and installing/dismounting inconvenience, power station is just progressively found The oil pump of replacement.

In the prior art, vertical oil pump due to floor space it is small, structure simple installation, just progressively by the green grass or young crops in power station Look at.Used although vertical oil pump is a wide range of, it still has some problems.Exist for the vertical oil pump of prior art The problem of, the present inventor has made further research.Existing vertical oil pump, every time after shutdown, the lubricating oil in its outlet line Due to Action of Gravity Field, can all be back in lubricating oil bath；And after starting shooting again, oil pump is required for the air ability in first discharge line Fuel feeding operation can be carried out to workpiece, during this period of time, the bearing of the operation part such as steam turbine and generator can lack in short-term Oil, its abrasion is easily caused, long-term so operation, can also cause the accident of bearing damage to occur.It is existing for this problem Solution is to set up accumulator in the outlet line of oil pump, and after oil pump shuts down, accumulator can be in one shorter time Lubricating oil liquid level in interior holding outlet line does not reduce, once overlong time, lubricating oil liquid level still can fall back to working value Position, at the same time, because accumulator is expensive and installation needs are unsatisfactory in oil pump perforate, practical effect.It is existing Have technology also lack one kind need not increase accumulator with regard to can ensure oil pump shutdown after, lubricating oil liquid level does not drop in its outlet line It is low, and the device of the quick fuel feeding of start energy again.

The content of the invention

The purpose of this utility model is：For prior art vertical oil pump feed pipeline oil pump shutdown after, lubrication Oil level will fall back to initial position, and start can not quickly establish oil pressure again, the problem of realizing fuel feeding；There is provided a kind of quick The oil pump oil discharging device of oil pressure is established, lubricating oil liquid level in outlet line can be kept not decline after oil pump shutdown, started shooting again Oil pressure can be quickly established, realizes the gapless feed lubrication to operation part, operation part is avoided and is made due to oil starvation in short-term Into abrasion, improve the stability of vertical oil pump feed.

The technical solution adopted in the utility model is as follows：

A kind of quick oil pump oil discharging device for establishing oil pressure, including for extracted from oil sump lubricating oil oil suction mechanism and For the oil transportation mechanism to workpiece fuel feeding, the oil suction mechanism is by flange group and oil transportation mechanism connection, in addition to is used for The bypass oil return mechanism of fluid fluid-tight is formed, the bypass oil return mechanism upper end connects with oil transportation mechanism top, bypass oil return machine Structure lower end is connected by crossover sub with the lower wall of oil suction mechanism, and the position of the crossover sub is minimum less than oil suction mechanism Work liquid level.

Preferably, the bypass oil return mechanism includes epimere pipe and hypomere pipe, the epimere pipe by seal nipple and The top connection of oil transportation mechanism, the epimere pipe are connected with hypomere pipe by connector, and the hypomere pipe is by crossover sub with inhaling The lower wall connection of oil machine structure.

Preferably, the epimere pipe and hypomere pipe are process by a diameter of 8mm-12mm steel pipe.

Preferably, the junction of the seal nipple, connector and crossover sub is provided with sealing ring.

Preferably, the position of the crossover sub is located at 90mm-110mm below the minimum work liquid level of oil suction mechanism Place.

In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：

1st, the utility model quickly establishes the oil pump oil discharging device of oil pressure, is stopping oil transportation mechanism by bypassing oil return mechanism Complete oil sealing loop is formed after machine, after avoiding vertical oil pump from shutting down, the lubricating oil in outlet line is returned due to Action of Gravity Field Fall on initial position, solve vertical oil pump start shooting again operation when, it is necessary to first discharge air in pipeline road, and can not be immediately The part fuel feeding lubricated to needs, the problem of causing workpiece oil starvation to wear, the fuel feeding stability of vertical oil pump is improved, and The acquisition cost of accumulator is saved.

2nd, the utility model quickly establishes the oil pump oil discharging device of oil pressure, and because pipeline will pass through connecting plate, common opens Hole poling needs repeatedly to be bent pipe, easily causes oil transportation and has some setbacks, and is not easy to the foundation of oil sealing, and install inconvenience；This Device by bypass oil return mechanism be arranged to two sections of epimere pipe and hypomere pipe, by seal nipple by two sections connection, so it is avoided that Multistage bending, makes the oil transportation more smooth, and it is more convenient that oil sealing is established.

3rd, the utility model quickly establishes the oil pump oil discharging device of oil pressure, and the end for bypassing oil return mechanism is immersed into oil extracting machine Below the minimum work liquid level of structure at 90mm-110mm, found by practical operation, although the end for bypassing oil return mechanism is soaked Enter below the minimum work liquid level of oil suction mechanism to can be achieved the foundation of complete oil circuit, but in order to avoid the fluctuation of liquid level cause it is whole Individual oil sealing balance is broken, therefore the end for bypassing oil return mechanism is immersed into 90mm- below the minimum work liquid level of oil suction mechanism At 110mm, the stability of pipeline road inner oil seal is improved.

Brief description of the drawings

Fig. 1 is the structure chart for the oil pump oil discharging device that the utility model quickly establishes oil pressure；

Marked in figure：1- oil suctions mechanism；2- oil transportations mechanism；3- flange groups；4- bypasses oil return mechanism；4.1- epimere pipes； 4.2- hypomere pipes；4.3- seal nipple；4.4- connector；5- crossover subs.

Embodiment

All features disclosed in this specification, can be with any in addition to mutually exclusive feature and/or step Mode combines.

The present invention is elaborated with reference to Fig. 1.

Embodiment 1, a kind of quick oil pump oil discharging device for establishing oil pressure, including for extracting the suction of lubricating oil from oil sump Oil machine structure 1 and connected for the oil transportation mechanism 2 to workpiece fuel feeding, the oil suction mechanism 1 by flange group 3 and oil transportation mechanism 2 It is logical, seal is provided between flange group 3, prevents oil leak, oil suction mechanism 1 produces negative pressure by motor driven impeller, so as to real Lubricating oil is now extracted from oil sump.The top of oil transportation mechanism 2 is provided with 180 ° of elbows, and 180 ° of elbows can provide one in Fuel injection system Section buffering, the present apparatus also include being used for being formed the bypass oil return mechanism 4 of fluid fluid-tight, the bypass upper end of oil return mechanism 4 with it is defeated The top of oil machine structure 2 is connected, and the bypass lower end of oil return mechanism 4 is connected by crossover sub 5 with the lower wall of oil suction mechanism 1, described turn The position of changing-over first 5 is less than the minimum work liquid level of oil suction mechanism 1.

Further, the bypass oil return mechanism 4 of the present embodiment includes epimere pipe 4.1 and hypomere pipe 4.2, the epimere pipe 4.1 are connected by seal nipple 4.3 with oil transportation mechanism 2 top, and the epimere pipe 4.1 and hypomere pipe 4.2 are connected by connector 4.4 Connect, the hypomere pipe 4.2 is connected by crossover sub 5 with the lower wall of oil suction mechanism 1；Hypomere pipe 4.2 is arranged on by buckle In the side wall of the standpipe of oil suction mechanism 1, avoid it from lacking support and bend, ensured the oil transportation stability of hypomere pipe 4.2.

Further, the epimere pipe 4.1 of the present embodiment and hypomere pipe 4.2 are process by a diameter of 10mm steel pipe. The junction of the seal nipple 4.3 of the present embodiment, connector 4.4 and crossover sub 5 is provided with sealing ring.The present embodiment turns The position of changing-over first 5 is located at below the minimum work liquid level of oil suction mechanism 1 at 100mm, although the end that will bypass oil return mechanism Immerse below the minimum work liquid level of oil suction mechanism and the foundation of complete oil circuit can be achieved, but cause in order to avoid the fluctuation of liquid level Whole oil sealing balance is broken, therefore the end for bypassing oil return mechanism is immersed into 100mm below the minimum work liquid level of oil suction mechanism Place.

The present embodiment starts the motor of vertical oil pump first in the first task, drives the oil suction mechanism 1 of vertical oil pump Start running, the impeller of oil suction mechanism 1 starts high-speed rotation, produces negative pressure, lubricating oil is extracted from oil sump, by flange group 3 It is transported in the pipeline of oil transportation mechanism 2, finally by the bearing of 180 ° of elbow supply generators, starts to be lubricated it； During this, because lubricating oil is filled with whole oil transportation mechanism 2, the epimere pipe 4.1 of bypass oil return mechanism 4 just can pass through sealing Joint 4.3 is from 180 ° of elbow top suck lubrication oils, then passes through connector 4.4 successively, hypomere pipe 4.2, changing-over first 5, so that will Lubricating oil is again fed to the position of 100mm below the minimum work liquid level of oil suction mechanism 1.And after vertical oil pump is shut down, by Complete fluid-tight state is formd in oil suction mechanism 1, oil transportation mechanism 2 and bypass oil return mechanism 4, its internal pressure is equal , therefore the lubricating oil liquid level inside oil transportation mechanism 2 just will not decline, and lubricating oil is constantly in the state full of oil transportation mechanism 2, So,, just can be quickly to generator shaft because lubricating oil is filled with oil transportation mechanism 2 when vertical oil pump is started shooting again Hold feed lubrication.The present embodiment is efficiently solved and will be vented when oil pump starts every time, it is impossible to is quickly set up oil pressure, is caused to send out The problem of motor bearings oil starvation wears, improves the stability of vertical oil pump feed, has ensured the safe operation of equipment.

It is embodiment of the present utility model as described above.The utility model is not limited to above-mentioned embodiment, anyone The structure change made under enlightenment of the present utility model should be learnt, it is every that there is same or like skill with the utility model Art scheme, each falls within the scope of protection of the utility model.

Claims (5)

1. a kind of quick oil pump oil discharging device for establishing oil pressure, including for extracting the oil suction mechanism (1) of lubricating oil from oil sump Connected with for the oil transportation mechanism (2) to workpiece fuel feeding, the oil suction mechanism (1) by flange group (3) and oil transportation mechanism (2) It is logical, it is characterised in that：

Also include being used for the bypass oil return mechanism (4) for forming fluid fluid-tight, bypass oil return mechanism (4) upper end and oil transportation mechanism (2) top is connected, and bypass oil return mechanism (4) lower end is connected by crossover sub (5) with the lower wall of oil suction mechanism (1), described The position of crossover sub (5) is less than the minimum work liquid level of oil suction mechanism (1).

2. the oil pump oil discharging device as claimed in claim 1 for quickly establishing oil pressure, it is characterised in that：The bypass oil return mechanism (4) epimere pipe (4.1) and hypomere pipe (4.2) are included, the epimere pipe (4.1) passes through seal nipple (4.3) and oil transportation mechanism (2) Top is connected, and the epimere pipe (4.1) and hypomere pipe (4.2) are connected by connector (4.4), and the hypomere pipe (4.2) passes through Crossover sub (5) connects with the lower wall of oil suction mechanism (1).

3. the oil pump oil discharging device as claimed in claim 2 for quickly establishing oil pressure, it is characterised in that：The epimere pipe (4.1) It is process with hypomere pipe (4.2) by a diameter of 8mm-12mm steel pipe.

4. the oil pump oil discharging device as claimed in claim 2 for quickly establishing oil pressure, it is characterised in that：The seal nipple (4.3), the junction of connector (4.4) and crossover sub (5) is provided with sealing ring.

5. the quick oil pump oil discharging device for establishing oil pressure as described in claim 1-4 is any, it is characterised in that：The conversion connects The position of head (5) is located at below the minimum work liquid level of oil suction mechanism (1) at 90mm-110mm.