CN2236598Y - Pneumatic pressure large-flow-rate grease pump - Google Patents

Abstract

The utility model relates to a pneumatic pressure large-flow-rate grease pump, which comprises a lubricant grease oil storage cylinder composed of a piston, a rear end cap, a front end cap and an oil cylinder, and a windpipe connected with tees and a back end cover, wherein, the utility model also comprises a pneumatic booster pump, a press cover, a filter plate, a filter screen and a distance sleeve. The upper end of the oil cylinder is provided with an oil outlet, the distance sleeve is arranged on the upper side of the distance sleeve, the filter plate is arranged on the upper side of the filter plate, the filter screen is arranged in the middle of the filter plate, the press cover is arranged on the oil inlet, and is pressed tightly by the filter plate, and the pneumatic booster pump is arranged on the upper side of the lubricant grease oil storage cylinder. The utility model has the advantages of high safety and reliability, high efficiency, large oil storage capacity, and easy use.

Description

The big flow grease pump of pneumatic high-voltage

The utility model relates to the big flow grease pump of a kind of pneumatic high-voltage, and it belongs to the lubricating grease equipment of annotating.

At present, many coal mine machinery equipments, being in operation as mine car, development machine, coal winning machine etc. all needs grease up.But the present centralized lubrication fat pump that uses, because its volume is big, Heavy Weight, and, do not have flameproof apparatus by motor driving, be not suitable for the down-hole and use.Cause coal mine machinery equipment can only lean on artificial use oil gun grease up, so not only strengthened working strength of workers, reduced working efficiency, the more important thing is because the oil gun outlet pressure is little, and equipment lubrication point back pressure is big, make the bearing oiling not reach the regulation requirement, cause the bearing premature damage, influence the machine proper functioning.

The purpose of this utility model provides a kind of safe and reliable, the big flow grease pump of pneumatic high-voltage that volume is little, in light weight and easy to use.

For realizing above-mentioned task, the scheme that the utility model is taked is: the big flow grease pump of this pneumatic high-voltage comprises by piston, rear end cover, the lubricating grease fuel tank that front cover and oil tube are formed, with threeway, the tracheae that rear end cover connects, wherein it also comprises the supercharging pneumatic pump, gland, filter plate, filter screen and distance cover, upper end at the oil tube is provided with an oil outlet that is connected with supercharging pneumatic pump filler opening, distance is sleeved on the top of oil outlet, filter plate is contained in the top of distance cover, filter screen is contained in the centre of filter plate, gland is contained on the filler opening of supercharging pneumatic pump and with filter plate and compresses, and the supercharging pneumatic pump is contained in the top of lubricating grease fuel tank.

Above-mentioned supercharging pneumatic pump is made up of pressurized cylinder and distributing valve, the big piston of pressurized cylinder is contained in the cylinder of cylinder block, small piston and big piston are in the oil pocket of the one and the cylinder block of packing into, below the cylinder block oil pocket, be provided with filler opening, be provided with the one-way valve that constitutes by check valve body and bead between filler opening and the oil pocket, the upper end of oil pocket is provided with connection block, and end cap is contained in the end of oil pocket; The valve body of distributing valve and cylinder head are one and are contained on the cylinder block, pack into the central authorities of valve body of spool, one end of spool connects with big piston by pin, positioning ring is contained in an end of valve body, cushion pad is contained in the groove of positioning ring, little end cap is contained in the end of valve body, and selector valve is connected with the valve body of distributing valve through connecting plate.

Because the utility model has adopted pneumatic pressure structure, compare with background technique, solved the downhole anti-explosion safety problem effectively, improved oiling pressure, therefore has safety, reliably, efficient height (be equivalent to prior art efficient 360 times), store oil volume big (but once oiling 10 kilograms), volume is little, in light weight, advantage such as easy to use is the desirable automatic notes grease pump of coal mine machinery equipment.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural drawing of supercharging pneumatic pump.

As shown in Figure 1, the utility model comprises by piston 1, rear end cover 7, the lubricating grease fuel tank 25 that front cover 21 and oil tube 3 are formed, with threeway 10, the tracheae 8 that rear end cover 7 connects, the tracheae 11 that connects with the other end of threeway 10, U type card 9 fixedly tracheae 8 and tracheae 11 are passed through in threeway 10, rear end cover 7 is by bolt 5, packing ring 6 is contained in the rear end of oil tube 3, O RunddichtringO 4 is contained in the groove of oil tube 3 rear ends, seal ring 2 is contained in the groove of piston 1, front cover 21 is by bolt 22, packing ring 23 is contained in the front end of oil tube 3, wherein it also comprises supercharging pneumatic pump 14, gland 16, filter plate 18, filter screen 19 and distance cover 24, upper end at oil tube 3 is provided with an oil outlet 27 that is connected with supercharging pneumatic pump 14 filler openings 26, distance cover 24 is contained in the top of oil outlet 27, filter plate 18 is contained in the top of distance cover 24, filter screen 19 is contained in the centre of two-layer filter plate 18, gland 16 is contained on the filler opening 26 of supercharging pneumatic pump 14 and with filter plate 18 and compresses, for preventing leakage of oil, between gland 16 and filler opening 26, also be provided with seal ring 17, supercharging pneumatic pump 14 is through bolt 12, packing ring 13 is contained on the angle steel 20 of lubricating grease store oil 25 tops, and oil pipe 15 is contained on the delivery connection seat 46 of supercharging pneumatic pump 14.

Above-mentioned supercharging pneumatic pump 14 as shown in Figure 2, it is made up of pressurized cylinder and distributing valve, the big piston 37 of pressurized cylinder is contained in the cylinder of cylinder block 39, seal ring 38 and back-up ring 50 are housed on the big piston 37, small piston 57 is in the oil pocket of the one and the cylinder block 39 of packing into big piston 37, between cylinder and oil pocket, be provided with seal ring 48 and back-up ring 49, below cylinder block 39 oil pockets, be provided with filler opening 26, be provided with the one-way valve that constitutes by check valve body 40 and bead 41 between filler opening 26 and the oil pocket, the upper end of oil pocket is provided with connection block 46, packing ring 47 is housed between connection block 46 and the oil pocket, end cap 43 is through bolt 44, packing ring 45 is contained in the end of oil pocket, is provided with seal ring 42 in the groove of end cap 43; The valve body 30 of distributing valve and cylinder head are one and are contained on the cylinder block 39 through bolt 35, packing ring 36, pack into the central authorities of valve body 30 of spool 52, between valve body 30 and spool 52, be provided with the gas distributing chamber that forms by back-up ring 32, composite rim 33 and spacer 34, one end of spool 52 is linked together by pin 51 and big piston 37, positioning ring 31 is contained in an end of valve body 30, cushion pad 29 is contained in the groove of positioning ring 31, small end lid 28 is contained in the end of valve body 30, and selector valve 53 is connected with the valve body 30 of distributing valve with bolt 54, packing ring 55 through connecting plate 56.

Working principle of the present utility model is: during oiling, pressurized gas enter cylinder chamber A promotion big piston 37 by valve body 30 and move right, drive small piston 57 and spool 52 motions simultaneously, the lubricating grease that small piston 57 squeezes among the oil pocket C is passed in the oil gun through connection block 46 outlets.When big piston 37 arrived rightmosts, spool 52 transpositions made high pressure air enter among the cylinder chamber B and cut off the gas that enters among the cylinder chamber A, make big piston 37 to left movement, and drove small piston 57 and spool 52 also to left movement.Pressurized gas enter the bottom of lubricated fatty oil tube 25 through threeway 10, tracheae 8 in above-mentioned motion, promote piston 1 and travel forward, lubricating grease under the effect of piston 1 in the oil pocket C that the filler opening 26 and the one-way valve of oil outlet 27, supercharging pneumatic pump 14 enters supercharging pneumatic pump 14.Repeat above-mentioned motion, get final product automatic oiling.During not oiling, the increased pressure among the oil pocket C makes big piston 37 reach balance, quits work.

Claims (2)

1. big flow grease pump of pneumatic high-voltage, it comprises by piston (1), rear end cover (7), the lubricating grease fuel tank (25) that front cover (21) and oil tube (3) are formed, with threeway (10), the tracheae (8) that rear end cover (7) connects, it is characterized in that: it also comprises supercharging pneumatic pump (14), gland (16), filter plate (18), filter screen (19) and distance cover (24), upper end at oil tube (3) is provided with an oil outlet (27) that is connected with supercharging pneumatic pump (14) filler opening (26), distance cover (24) is contained in the top of oil outlet (27), filter plate (18) is contained in the top of distance cover (24), filter screen (19) is contained in the centre of filter plate (18), gland (16) is contained in the filler opening (26) of supercharging pneumatic pump (14) and goes up and filter plate (18) is compressed, and supercharging pneumatic pump (14) is contained in the top of lubricating grease fuel tank (25).

2, the big flow grease pump of pneumatic high-voltage according to claim 1, it is characterized in that: described supercharging pneumatic pump (14) is made up of pressurized cylinder and distributing valve, the big piston of pressurized cylinder (37) is contained in the cylinder of cylinder block (39), small piston (57) is in the oil pocket of one and the cylinder block of packing into (39) with big piston (37), below at cylinder block (39) oil pocket is provided with filler opening (26), be provided with the one-way valve that constitutes by check valve body (40) and bead (41) between filler opening (26) and the oil pocket, the upper end of oil pocket is provided with connection block (46), and end cap (43) is contained in the end of oil pocket; The valve body of distributing valve (30) is one and is contained on the cylinder block (39) with cylinder head, pack into the central authorities of valve body (30) of spool (52), one end of spool (52) connects with big piston (37) by pin (51), positioning ring (31) is contained in an end of valve body (30), cushion pad (29) is contained in the groove of positioning ring (31), little end cap (28) is contained in the end of valve body (30), and selector valve (53) is connected with the valve body (30) of distributing valve through connecting plate (56).

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