CN2127430Y - Oil water emulsion hydraulic lift winch - Google Patents

Abstract

The utility model relates to a light emulsion hydraulic winch which is suitable for withdrawing single hydraulic props and prop shoes in coal mine. The utility model is characterized in that the utility model is composed of a hydraulic motor (5), a rope roll (16), a change valve (2), an overflow valve (48), a flow valve (51), etc. A crank shaft 61 of the hydraulic motor 5 is connected with a crank shaft 36 of a two-tooth planetary gear inside the rope roll 16; the change valve 2 is connected with a liquid inlet and outlet pipeline of the hydraulic motor 5; the overflow valve 48 is connected with the change valve 2 and the outlet of the flow valve 51 by a triple valve (50); the inlet of the flow valve 51 is connected with a gun barrel 49 of a liquid-injection gun between working surface pumping stations. The utility model is of small size, light weight and compact structure, which can utilize the energy source provided by emulsion pumping stations.

Description

Oil water emulsion hydraulic lift winch

The utility model belongs to and is used for back removing hydraulic prop in the colliery, and the light-duty emulsion hydraulic pressure of post footwear is than car.

Return in the colliery at present and remove single hydraulic prop, generally adopt electric winch, its volume is big, the weight height, and the downhole operations carrying is all inconvenient, can not satisfy the production needs.

It is little that the purpose of this utility model is to design a kind of volume, in light weight, and compact conformation need be explosion-proof, can make full use of the light-duty emulsion hydraulic wireline winch that emulsion power pack provides the energy.

The utility model is by hydraulic motor 5, rope roll 16, and reversal valve 2, overflow valve 48, flow valve 51 grades are formed.The bent axle 61 of hydraulic motor 5 links with the bent axle 36 of rope roll 16 interior dress bidentate difference planet circular systems, reversal valve 2 links to each other with the liquid in-out pipeline of hydraulic motor 5, overflow valve 48 usefulness threeways 52 link to each other with the liquid outlet of reversal valve 2 with flow valve 51 overflow valves, and the gun barrel 49 by fluid injection gun between the liquid outlet of flow valve 51 and the work plane pumping plant is connected.

The utility model has the advantages that volume is little, in light weight, must explosion-proofly can not make full use of the energy that emulsion power pack provides, can not only be used for back rut hydraulic prop, post footwear, also can be used for transporting unclassified stores.

Description of drawings:

Fig. 1: light hydraulic winch hydraulic circuit;

Fig. 2: light hydraulic winch structure elevation;

Fig. 3: light hydraulic winch structure left view;

Fig. 4: radial plunger type motor elevation;

Fig. 5: radial plunger type motor left view;

Fig. 6: the valve plate 18 ' of hydraulic motor.

1,6,12,20,34, the 38--screw, 13,18,21,39,43, the 47--nut, 14,19,22,40, the 41--packing ring, the 2--reversal valve, 3--liquid in-out pipe, 4--union, the 5--hydraulic motor, 7--left socle, 8--left side pin dish, the 9--left end disc, 10--plug screw, 11--packing ring, the 15--retainer disk, 16--rope roll, 17--bearing pin, the 23--guide, the 24--internal tooth is defeated, the double roller bearing of 25--, the 26--external tooth is defeated, 27--back-up ring, 28--paper circle, the 29--ball bearing, 30--right end disc, the right pin dish of 31--, the 32--roller bearing, 33--cover plate, 35--sealing ring, the 36--bent axle, the 37--right support, 42--suspension ring, 44--base, 45--post footwear, the 48--overflow valve, 49--gun barrel, 50--threeway, the 51--flow valve, the 61--bent axle, 62--oil sealing, 63--bearing cover, 64, the 76--screw, 65, the 74--bearing, 66--adjusts pad, 67,75--O shape circle, the 68--motor shell, ring washer before the 69--wear-resistant sleeve, 70--, 71--seven-star wheel, the 72--needle bearing, ring washer behind the 73--, 77-flow lid, 78--valve plate, the 79--bearing, the 80--eccentric bushing, 81, the 83--plastics are stifled, and 82, the 90--key, 84--flow pad, the 85--plunger, 86--sealing ring, 87--cover of plunger, the 88--spring, the 89--guide peg.

As shown in Figure 1, when the gun barrel 49 inlet flow metered valves 51 inflow reversal valves 2 of work plane emulsion power pack through fluid injection gun, inoperation reversal valve 2 emulsions flow into work planes (or liquid case) through reversal valve 2.Emulsion symbol direction below functional graphical diagram flows into hydraulic motor 5 when pushing away the handle of reversal valve 2, and at this moment hydraulic motor 5 rotates hydraulic motor bent axle 61 and drives 36 rotations of planet circular system bent axle under the high-pressure emulsion effect.Thereby make rope roll 16 rotate (forward or reverse).If draw the handle of reversal valve 2 can change the direction of rotation of rope roll by symbol feed liquor above the functional graphical diagram.Some pressure liquid is opened overflow valve 48 overflows when the pressure of hydraulic motor surpasses overflow valve 48 set pressures.

The structure elevation of hydraulic wireline winch, as shown in Figure 2, reversal valve 2 usefulness screws 1 are fixed on the base 44.Reversal valve 2, overflow valve 48 connects together with gun barrel 49 with threeway 52, and liquid in-out pipe 3 one ends and union 4 are welded together, and the other end links to each other with reversal valve 2 with taper thread.Union 4 usefulness hollow screws are connected with flow lid 77 on the hydraulic motor 5.The bearing cover 63 usefulness screws 6 of hydraulic motor 5 connect with left socle 7.There is the spline internal tooth to be connected in the left socle 7 with spline external tooth on the left pin dish 8.Left socle 7 usefulness screws 38, nut 39 and packing ring 40,41 are fixed on the base 44.At left side pin dish 8, on the right pin dish 31, bent axle 36 is housed, and bent axle 36 usefulness flat keys 90 link to each other with hydraulic motor axle 61.A pair of ball bearing 29 and a pair of roller bearing 25 are housed on bent axle 36.The outer ring of its ball bearing 29 is contained on left pin dish 8 and the right pin dish 31, and the outer ring of a pair of roller bearing 25 is contained in the hole of two external gears 26 with interference fits.On left side pin dish 8 and right pin dish 31, be evenly equipped with 8 screw holes.Be with guide 23 on its screw 17, insert in the respective aperture of left pin dish 8 and right pin dish 31 and two external gears 26.Screw 17 two ends pads are gone up elastic washer 19 usefulness nuts 18 and are tightened fixing.Two external gears 26 and the engagement of bidentate difference internal gear.Its internal gear 24 usefulness screws 20 are fixed on the rope roll 16.

The structure of hydraulic motor 5 is faced circle, and as shown in Figure 4, it has two organ timbering plugs 85, and every row has in the uniform radial hole that is contained in motor shell 68 of seven plungers 85.I organ timbering plug 85 all communicate (the C hole has seven and is distributed in circumference) with C hole on the motor shell 68.Seven D holes that II organ timbering plug 85 is distributed in motor shell 18 communicate.Row has a plunger 85 to be in bent axle 61 upper maximum eccentric positions by the diagram I.II row also has a plunger 85 to be in bent axle 61 the next maximum eccentric positions, and eccentric bushing 80 is in eccentricity value location of equal up and down.

If the A hole connects pressure liquid pipe on the flow lid 77, cannelure E entrance pressure power liquid in the valve plate 78 at this moment, and interior cannelure E is by six radial hole H(Fig. 6) communicate with the cannelure E ' of valve plate 78 and 84 formation of flow pad, and entrance pressure power liquid.And the B hole on the flow lid 77 communicates with the outer annular groove F of valve plate 78, and this B hole is a hole for back flow.

By shown in Figure 4, eccentric bushing 80 maximum eccentrics are in right side (seeing from left to right), and at this moment I row firmly fills in 85 except that being in extreme position, and plunger 85 eccentricity values that are in the right side are all eccentric big than diagram limes superiors plunger 85, so all communicate, i.e. entrance pressure power liquid with E ' hole on the valve plate 78.Right side plunger 85 bounces back under action of hydraulic force, and seven-star wheel 71 produces translation under plunger 85 effects, clockwise rotates thereby bent axle 61 is produced.And be in the plunger 85 in left side, it is all little to be in limes superiors position plunger 85 eccentricity values relatively, so the liquid that all communicates back with F hole on the valve plate 78.Therefore be in left side plunger 85 retractions, reach minimum eccentricity value up to bent axle 61 and just stop back liquid.

II organ timbering plug 85 all communicates with uniform seven D holes on the motor shell 68.Find out by D hole and valve plate 78 position of getting along, except that figure is shown with a plunger 85(is extreme position) be in the eccentricity value of valve plate 78 equates, plunger 85 eccentricity values of plunger 85 relative limit inferior positions that remaining plunger 85 is in the right side are all big, because of than all communicating with valve plate 78F hole, promptly communicate, return liquid with B hole on the flow lid 77.Just in time opposite with I organ timbering plug 85 flows.And II organ timbering plug 85 communicates in the E hole with on the valve plate 78 in left side, and this is because than the little reason of extreme position plunger 85 eccentricity values.Then when plunger 85 communicated with E or E ' hole, plunger 85 bounced back under the effect of pressure liquid.And plunger 85 when communicating with the F hole bent axle 61 eccentricity values increase and overhanging.If make the B hole entrance pressure power liquid on the valve plate 77, then bent axle 61 switched in opposite of hydraulic motor 5 are returned in the A hole.

The structure of this hydraulic motor 5, as shown in Figure 4, two row's needle bearings 72 are housed on its bent axle 61, and needle bearing 72 outer rings are with two seven-star wheels 71 are housed movingly, its bent axle 61 is inserted in the motor shell 68, bent axle 61 right-hand members are with being equipped with roller bearing 74 movingly, and bearing 74 outer rings are contained on the motor shell 68 with interference fits.Bearing cover 63 usefulness screws 64 are fixed on the motor shell 68.Be fitted together with flat key 82 and eccentric bushing 80 in that bent axle 61 is the rightest.Needle roller 79 is contained between eccentric bushing 80 and the valve plate 78.Flow pad 84 is contained in the outer ring of valve plate 78, is contained in flow pad 84 right sides with flow lid 77 then, and compresses with screw 76 and motor shell 68.Make eccentric bushing 80 and valve plate 78 between motor shell 68 and flow lid 77 for movingly, i.e. during bent axle 61 rotations eccentric bushing 80 can be rotated, and valve plate 78 can float.Bent axle 61 left ends are equipped with roller bearing 65, and its outer ring is contained on the bearing cover 63, and bearing cover 63 usefulness screws 64 are pressed on the motor shell 68.V-ring 67 is contained in bearing cover 63 and forms in the cannelure with bent axle 61, prevents that lubricating fluid from spattering outward.Plunger 85 is contained in the radial hole of motor shell 68, for the wearing and tearing that prevent motor shell 68 radial holes a wear-resistant sleeve 69 is housed in each hole, and wear-resistant sleeve 69 external surfaces and motor shell 68 radial holes are interference fits, and plunger 85 is movingly with wear-resistant sleeve 69.For resetting of guaranteeing that plunger 85 moves radially, a spring 88 all is housed, and with guide peg 89 guiding.After installing plunger 85 and sealing ring 86, tighten with cover of plunger 87.

Claims (5)

1, a kind ofly is suitable for being used for back in the colliery removing hydraulic prop, the light-duty emulsion hydraulic wireline winch of post footwear, it is characterized in that being made up of hydraulic motor 5, rope roll 16, reversal valve 2, overflow valve 48, flow valve 51 etc., its annexation is: the bent axle 61 of hydraulic motor 5 links to each other with the bent axle 36 of dress bidentate difference planet circular system in the rope roll 16; Reversal valve 2 links to each other with the liquid in-out pipeline of hydraulic motor 5; Overflow valve 48 usefulness threeways 50 link to each other with the outlet of reversal valve 2 with flow valve 51; Fluid injection gun barrel 49 is connected between the import of flow valve 51 and the work plane pumping plant.

2, hydraulic wireline winch according to claim 1 is characterized in that the bent axle 61 of described motor 5 is connected by flat key 90 with bent axle 36.

3, hydraulic wireline winch according to claim 1 and 2 is characterized in that the bearing cover 63 usefulness screws 6 in the described hydraulic motor 5 link to each other with left socle 7, and left socle 7 spline internal tooths coil 8 pattern chain external tooths with left pin and be connected, and makes left pin dish 8 fixing.

4, hydraulic wireline winch according to claim 1 and 2 is characterized in that in the hole of plunger 85 of hydraulic motor shell 68 of described hydraulic motor 5 wear-resistant sleeve 69 being housed.

5, hydraulic wireline winch according to claim 1 and 2 is characterized in that being drilled with on the valve plate 78 in the described hydraulic motor 56 radial holes and communicates with circular trough in the valve plate.

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