CN2149246Y - Pump for forming predetermined liquids ratio - Google Patents

Abstract

The utility model discloses a liquid mixing proportioning pump which is composed of a left and a right cylinders, a middle connecting body, a left and a right pistons, a piston rod set, a left and a right end covers, a proportion regulating mechanism, a liquid through pipe, a sealing ring, etc. The pump adopts flowing pressure water as dynamic force, and can cause normal pressure liquids to be continuously and uniformly to be sucked into according to a certain proportion and to be pumped out to the pressure water. The utility model has the advantages of simple structure, reliable operation, less wear for details, low noise, small size, light weight, portability, convenient installation and easy operation. The utility model is suitable for coal mines, metallurgy mines, chemical industry mines, etc. to spray dust fall addition agents under the mines.

Description

Pump for forming predetermined liquids ratio

The utility model relates to and a kind ofly particularly uses the equipment of atomizing de-dusting auxiliary agents in mine down-holes such as coal, metallurgy, chemical industry at the working environment that airborne dust is arranged, and belongs to liquid fraction pump field.

Dust such as mine mining face under mine rock dirt, coal dust cause very big harm to miner's health.In order to reduce the down-hole dust, many mines use the depositing dust agent.With the mixed proportion pump with the depositing dust agent with after water mixes by a certain percentage, be atomized spray to the floating space of dust, make dust assemble landing, thereby reach the purpose of depositing dust.This class pump has multiple at present, wherein utilize down-hole high pressure water utility model patent " servo-actuated constant proportion example liquid adds pump " (application number 89207984.3 to be arranged for the pump of power, notification number CN2062653U), this pump is to be that power passes through water motor, decelerator, eccentric stiffener to drive the pump head plunger reciprocating by high-pressure fog water, thereby realize sucking and extruding soup, spray to dust after soup is mixed, regulate the soup addition, the concentration of mixing material can be regulated by flow control device.This pump utilizes the mine water under high pressure to save the energy for power, but owing to be to utilize the pump head plunger to move back and forth to finish the action that sucks and extrude soup, and the pump head plunger has only one, can not extrude when therefore sucking, and can not suck during extrusion.And water under high pressure is to spray constantly, thereby can not accomplish and equably soup be mixed with water continuously, influences dust-laying effect.The water motor gear wear of this pump is fast simultaneously, noise is big, needs often to change sealing ring, not only makes troubles to work, and it is healthy also to influence the workman.

The purpose of this utility model provides a kind of pump that equably soup and water is mixed by a certain percentage continuously, and make that its wearing and tearing are little, noise is low, easy to operate.

For achieving the above object, the utility model adopts the piston type liquid pump, and it is installed on the spray water pipeline of down-hole (Fig. 7).This pump is by left and right cylinder barrel, intermediate connector, and left and right piston, the piston rod group, left and right end cap, the ratio governor motion is crossed the liquid pipe, compositions such as sealing ring.Utilize water under high pressure driving pump inner carrier, make the piston rod group in two working chambers, carry out linear reciprocating motion simultaneously.One of them working chamber is pressed onto soup in the water under high pressure, and another working chamber sucks soup.When piston, when the piston rod group moves to certain position, make the imbibition working chamber become the hydraulic fluid working chamber by the exchange system in the intermediate connector.So repeatedly, realize evenly mixing continuously the purpose of liquid.In order to mix in desired ratio, the utility model is provided with adjusting device.Control the mixed volume of soup by the size of adjustment screw adjustment soup flow export.

The utility model has the advantages that: (1) can suck and extrude soup continuously, mixes; (2) simple in structure, reliable in action; (3) parts depreciation is few, the life-span is long, noise is low; (4) volume little, in light weight, be easy to carry and install; (5) use easy and simple to handle, suitable down-hole.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is main pseudosection;

Fig. 2 is a top plan view;

Fig. 3 is the K-K profile;

Fig. 4 is the B-B profile;

Fig. 5 is the C_C profile;

Fig. 6 is the A-A profile;

Fig. 7 is the operation principle schematic diagram.

As seen from Figure 1, the utility model is made up of left end cap 1, left cylinder barrel 2, intermediate connector 3, right cylinder barrel 4, right end cap 5, left piston 6, right piston 7, piston rod group 8, mistake liquid pipe 9,10,11,12, ratio governor motion 13, sealing ring 14.Left piston 6 is divided into chamber 21,22 with left working chamber, and right piston 7 is divided into chamber 23,24 with right working chamber.There is damping hole 17 that press water inlet hole 15 and mixture export 16 are communicated with on the left end cap 1.On the left end cap 1 in addition porose 61 with chamber 21 communicate with mistake liquid pipe 10 (Fig. 2).The adjustment screw 18 of ratio governor motion 13 is installed in the screw 19 that communicates with damping hole 17, and locking nut 20 is with screw 18 locking and be lined with sealing ring 14, and screw 19 other ends are by hole 62 communicate with mistake liquid pipe 12 (Fig. 4).Intermediate connector 3 is by connector 25, and reversing cover 26 is regulated pressure mechanism 27, check valve 51,52,53,54, and door 28, touching lever 29 is formed.Porose 41,42,43,44,45,46 on the connector 25, its mesopore 41 is by crossing liquid pipe 9 communicate with press water inlet hole 15 (Fig. 1); Hole 42 is by crossing liquid pipe 10, hole 61 communicate with chamber 21 (Fig. 2); Hole 43 link to each other with discharge outlet 63 (Fig. 1); Hole 44 is by crossing hole 64 on liquid pipe 11 and the right end cap 5 communicate with chamber 24 (Fig. 2); Hole 45 1 ends communicate with hole 62, adjustment screw hole on the left end cap 1 through liquid pipe 12, and the other end communicates with check valve 52,53; Hole 46 1 ends are the soup inlet, and the other end leads to check valve 51,54. Check valve 51,52 left ends lead to chamber 22, are installed in the left end of connector 25; Check valve 53,54 right-hand members lead to chamber 23, are installed in the right-hand member of connector 25.52,53 on check valve allows liquid to discharge from chamber 22, chamber 23 respectively, and 51,54 permissions of check valve liquid is 46 difference inlet chambers 22, chamber 23 from the hole.Reversing cover 26 is contained in the endoporus of connector 25 and can moves axially, at A-A cross section place porose 47 and groove 48(Fig. 6), K-K cross section place porose 49 and groove 50.When the hole 41,42,43,44 of K-K section and connector 25 was relative, chamber 21 was in high pressure conditions, chamber 24 is in normal pressure; Chamber 24 is in high pressure when the A-A section moves to this position, chamber 21 is in normal pressure.Regulating pressure mechanism 27 is made up of the quadruplet screw, spring and the steel ball that are contained on the connector 25, steel ball is pressed in the ball-and-socket corresponding on reversing cover 26 outer surfaces (has two vollyball nests on the reversing cover, its axial distance equates with the distance of A-A section to the K-K section), be used for reversing cover 26 is positioned, with the pressure of screw regulating spring, thereby regulate the pressure (Fig. 5) of steel ball to reversing cover.Touching lever 29 is installed in the hole of door 28 and can moves axially.Door 28 is screwed on left and right two end faces of connector 25.Porose in the middle of reversing cover 26 and the door 28, piston rod 30 is contained in the hole.Piston rod group 8 reaches left piston 6, left energy-stored spring 31, left back-up ring 32, right back-up ring 33, right energy-stored spring 34, the right piston 7 adorned thereon successively from left to right by piston rod 30 and forms, wherein left back-up ring 32 is contained in the intermediate connector left side, and right back-up ring 33 is contained in the right side of intermediate connector.Energy-stored spring 31,34 and back-up ring 32,33 can move axially.Left piston 6, right piston 7 are screwed the two ends at piston rod 30 respectively.Sealing ring 14 on left piston 6, the right piston 7 forms the soft sealing that contacts with left cylinder barrel 2, right cylinder barrel 4 respectively.With left end cap 1, left cylinder barrel 2 is crossed liquid pipe 9,10,12 with stay bolt 36, connector 25, and right cylinder barrel 4 is crossed liquid pipe 11, and right end cap 5 is connected in turn, and makes liquid mixing pump form an integral body., also can be threaded (Fig. 1) at mixture export, press water import, discharge outlet and the soup inlet pipe joint of burn-oning for easy to use.

When using this pump, inflow direction on the high-pressure water pipe is received in the press water import, mixture export is received on the high-pressure water pipe of water outlet direction, discharge outlet run in water pipe or pond, and the soup inlet connects medical solution pool (bucket).When water under high pressure when import 15 enters, be divided into two-way, one flows away along Way out through damping hole 17 along separate routes, two promptly work water under high pressure along separate routes along separate routes along crossing liquid pipe 9, hole 41 through reversing cover 26(Fig. 3) arrival hole 42, arrive chamber 21 through the hole on liquid pipe 10 and the left end cap 61 again, make the hydraulic pressure of chamber 21 equate to be high pressure with inlet pressure water hydraulic pressure.Since the K-K section part of reversing cover with 41,42,43,44 corresponding positions, hole, so chamber 24 is a normal pressure.The piston rod group has the gesture of driving that moves right, and check valve 51 is closed, and check valve 52 is opened, and check valve 53 is closed.Liquid equates (Fig. 4) with fluid pressure in the damping hole 17 in the chamber 22.Because the aperture in specific pressure water inlet hole, damping hole 17 aperture 15 is little, when flow equated, the pressure at inlet hole 15 places was bigger than the pressure of damping hole 17.Because the piston area at 21 places, chamber is bigger than the piston compression area of chamber 22, the pressure that chamber 21 liquid give for pressure ratio chamber 22 liquid of piston 6 is big again, and piston will move right.Chamber 22 volumes are constantly reduced, and the soup in the chamber 22 not cracked ends damping hole 17 mixes with the water of a shunt, is sent to the working face that needs spraying.Meanwhile, check valve 54 forms vacuum and opens because of the piston chamber 23 that moves right in the process.Chamber 23 is communicated, because of medical solution pool is in atmospheric pressure state, Gu soup is inhaled into chamber 23 with the soup inlet.The volume of chamber 24 moves right along with the piston rod group and reduces, hole 64, excessively liquid pipe 11, hole 44, reversing cover 26, hole 43 discharges of the water in the chamber 24 on right end cap.So far finished chamber 23 during piston moves right and constantly sucked soup, the chamber 22 continuous functions that extrude soup and mix with water.When the piston rod group moves to right a segment distance, chamber 22 inner carrier faces contact with left energy-stored spring 31, and power is passed to reversing cover 26 by left back-up ring 32, touching lever 29, when this power is lifted the spring pressure steel ball of regulating pressure mechanism from individual ball-and-socket certainly, this in a flash, the resistance of reversing cover 26 reduces suddenly, energy-stored spring 31 is to the compressed energy of reversing cover 26 dispensing, reversing cover is moved, the A-A section is moved on to the position relative with hole 41,42,43,44.At this moment chamber 24 communicates with press water import 15, and chamber 21 communicates with hole 43 discharge outlet, and chamber 23 communicates with damping hole 17, and chamber 22 sucks oral pore 46 with soup and communicates.So far commutation action is finished, and the piston rod group begins to be moved to the left, and chamber 22 sucks soup, and chamber 23 extrudes soup simultaneously, thereby realizes sucking equably continuously, extruding soup.For the mixing material concentration that can make ejection can be regulated, screw 18 is adjusted in rotation, makes its size that changes damping hole soup flow export section, controls the flow of soup, reaches needed concentration.

Claims (2)

1, a kind of is that power sucks normal pressure liquid and be pumped out to the liquid mixing pump in the flowing pressure water by a certain percentage with flowing pressure water, mainly by left and right cylinder barrel, intermediate connector, left and right piston, piston rod group, left and right end cap, the ratio governor motion is crossed the liquid pipe, compositions such as sealing ring, left and right piston is divided into left and right working chamber chamber 21,22 and chamber 23,24 respectively, it is characterized in that:

(1) there is damping hole 17 that press water inlet hole 15 and mixture export 16 are communicated with on the left end cap 1, porose 61 chamber 21 is communicated with mistake liquid pipe 10 in addition on the left end cap 1, the adjustment screw 18 of ratio governor motion 13 is installed in the screw 19 that communicates with damping hole 17, locking nut 20 is with screw 18 lockings and be lined with sealing ring 14, screw 19 other ends communicate with mistake liquid pipe 12 by hole 62

(2) intermediate connector 3 is by connector 25, reversing cover 26, regulate pressure mechanism 27, check valve 51,52,53,54, door 28, touching lever 29 is formed, on the connector 25 porose 41,42,43,44,45,46, its mesopore 41 communicates with press water inlet hole 15 by crossing liquid pipe 9, liquid pipe 10 was passed through in hole 42, hole 61 communicates with chamber 21, hole 43 links to each other with discharge outlet 63, hole 44 communicates with chamber 24 by the hole of crossing on liquid pipe 11 and the right end cap 5 64, hole 45 1 ends are through the hole 62 on liquid pipe 12 and the left end cap 1, the adjustment screw hole communicates, the other end and check valve 52,53 communicate, hole 46 1 ends are the soup inlet, the other end leads to check valve 51,54, check valve 51,52 left ends lead to chamber 22, be installed in the left end of connector 25, check valve 53,54 right-hand members lead to chamber 23, be installed in the right-hand member of connector 25, check valve 52,53 allow liquid respectively from the chamber 22, discharge in the chamber 23, check valve 51,54 allow liquid from the hole 46 inlet chambers 22 respectively, chamber 23, reversing cover 26 is contained in the endoporus of connector 25 and can moves axially, at A-A cross section place porose 47 and groove 48, K-K cross section place porose 49 and groove 50, hole 41 when K-K section and connector 25,42,43, chambers 21 relatively time the 44 are in high pressure conditions, chamber 24 is in normal pressure, chamber 24 is in high pressure when the A-A section moves to this position, chamber 21 is in normal pressure, regulate pressure mechanism 27 by the quadruplet screw that is contained on the connector 25, spring and steel ball are formed, steel ball is pressed in the ball-and-socket corresponding on reversing cover 26 outer surfaces (has two vollyball nests on the reversing cover, its axial distance equates with the distance of A-A section to the K-K section), be used for reversing cover 26 is positioned, pressure with the screw regulating spring, thereby regulate the pressure of steel ball to reversing cover, touching lever 29 is installed in the hole of door 28 and can moves axially, door 28 is screwed the left side at connector 25, on right two end faces, porose in the middle of reversing cover 26 and the door 28, piston rod 30 is contained in the hole

(3) piston rod group 8 reaches from left to right dress left piston 6 thereon successively by piston rod 30, left side energy-stored spring 31, left side back-up ring 32, right back-up ring 33, right energy-stored spring 34, right piston 7 is formed, wherein left back-up ring 32 is contained in the intermediate connector left side, right back-up ring 33 is contained in the right side of intermediate connector, energy-stored spring 31,34 and back-up ring 32,33 can move axially, left piston 6, right piston 7 is screwed the two ends at piston rod 30 respectively, left piston 6, sealing ring 14 on the right piston 7 respectively with left cylinder barrel 2, right cylinder barrel 4 forms soft contact sealing

(4) use stay bolt 36 with left end cap 1, left cylinder barrel 2 is crossed liquid pipe 9,10,12, connector 25, and right cylinder barrel 4 is crossed liquid pipe 11, and right end cap 5 is connected in turn, and makes liquid mixing pump form an integral body.

2, a kind of liquid mixing pump as claimed in claim 1 is characterized in that mixture export, press water import, discharge outlet and soup inlet are equipped with pipe joint.

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