CN208396880U - A kind of high viscosity cannot flow automatically the delivery pump device of slurry - Google Patents

Abstract

A kind of high viscosity cannot flow automatically the delivery pump device of slurry, including the motor being arranged on chassis, oil pump, accumulator, reversal valve, hydraulic cylinder, material cylinder, fuel tank, cooler and suction valve group, suction valve group is that two pressures switching suction metering valves are connected and composed by a threeway, each pressure switching suction metering valve is made up of two strong control valve U-tube connection, strong control valve includes the drive cylinder being tightly connected, stop sleeve, upper valve body component, lower valve body component, upper valve base, lower valve base, movable valve block and valve rod, oil pump extracts the oil in fuel tank out under motor driven, enter double five-way valves by reversal valve, enter hydraulic cylinder and drive cylinder simultaneously respectively afterwards, and as the double five-way valves of the reciprocating motion of hydraulic cylinder piston and drive cylinder piston warp are back to reversal valve, it is returned in fuel tank through cooler again.The utility model can pump super viscous medium, and pressure difference size, dielectric viscosity height do not influence suction metering valve, run high level of synchronization, easy disassembly and transport with hydraulic cylinder piston.

Description

A kind of high viscosity cannot flow automatically the delivery pump device of slurry

Technical field

The utility model relates to a kind of hydraulic grouting pump, especially a kind of delivery pump device of high viscosity paste is especially suitable Gel fireproofing extinguishing materials are pumped for underground fire extinguishing engineering.

Background technique

The prevention and improvement of coal mine gob freely burning fire are needed to realize by slip casting and be dropped to the cooling of Residual coal in goaf Temperature, and air leaking crack is blocked, while grouting pipe being avoided to be blocked again.In view of above-mentioned target and condition limit, perfusion Slurry will be provided simultaneously with high viscosity, not flow automatically and noncondensing feature.

The eighties in last century, coal mining industry related scientific research unit just develop corresponding grouting material, but on technique for applying Encounter problem --- it configures satisfactory high viscosity, be difficult to realize effectively pump after the slurry that does not flow automatically.

The reason is that, the suction slurry of Normal hydraulic grouting pump generallys use one-way valve structures, and made using valve plate or steel ball For sealing element, realize holding function by pressure difference, can with pumping viscosity value in 20,000 mPa.s low viscosity cleaning medium below, and Generally in 800,000 mPa.s or more, pump such slurry then with common grouting pump will appear unidirectionally viscosity when slurry cannot flow automatically The problem of defective valve, cannot achieve pumping requirements.

Summary of the invention

In order to overcome the above-mentioned deficiency of the prior art, the utility model provides the conveying that a kind of high viscosity cannot flow automatically slurry Pump installation can pump super viscous medium；The influence of suction metering valve not pressure difference size, dielectric viscosity height, with hydraulic cylinder piston High level of synchronization is run, switching movement is accurate；Leakage in can avoid, slurry precipitating is small, can carry out long-distance sand transport；Without note Starch superpressure risk；Easy disassembly and transport.

The utility model solve its technical problem the technical solution adopted is that: including motor, oil pump, hydraulic cylinder, material cylinder, oil Case, reversal valve and suction valve group, motor and oil pump are drivingly connected, and oil pump passes through reversal valve for the high pressure oil input hydraulic pressure of fuel tank Cylinder, Driven by Hydraulic Cylinder suction valve group pump the slurry in material cylinder, and the oil return of hydraulic cylinder flows into fuel tank by reversal valve again, described Suction valve group is that two pressures switching suction metering valves are connected and composed by a threeway, and the mouth of threeway lower end is valve group material sucking port, often A pressure switching suction metering valve is made up of two strong control valve U-tube connection；The strong control valve includes the driving being tightly connected Oil cylinder, stop sleeve, upper valve body component, lower valve body component, upper valve base, lower valve base, movable valve block and valve rod, drive cylinder pass through spiral shell Bolt and the ring flange at both ends I, ring flange II link together；Upper valve body component is welded on ring flange III；Upper valve body component with Lower valve body component is linked together by being cased with the bolt of stop sleeve with ring flange II；Valve rod out of lower valve body component from down toward On sequentially pass through upper valve base, upper valve body component and ring flange II, upper valve base and lower valve base are located in the inner cavity of lower valve body component, and Be separately fixed on ring flange III and lower valve body component, movable valve block be threadedly attached in the lower end of valve rod and be located at upper valve base and Between lower valve base, the upper end of valve rod is fixed on drive cylinder piston；Upper hydraulic fluid port and lower hydraulic fluid port are respectively equipped in drive cylinder, Upper and lower hydraulic fluid port is communicated with the oil pocket of drive cylinder piston upper and lower respectively；Lower valve body component has a material being connected to material cylinder Cylinder interface and a lower port；The protruding U-tube interface in upper valve body component side, lower end are interior with lower valve body component Chamber connection, two strong control valve pass through U-tube orifice, are communicated to a valve group suction between the lower port of two strong control valve Mouthful, form a pressure switching suction metering valve；Two upper valve body component side discharging interfaces are connected by U-tube with threeway, and two Integrally become suction metering valve group after forcing the U-tube between switching suction metering valve U-tube interface to connect by threeway；It is located in the middle liquid Cylinder pressure is connected with two material cylinders at its both ends, constitutes hydraulic cylinder material cylinder assembly, and hydraulic cylinder piston and two material cylinder plungers pass through one The connection of root plunger rod, the cavity of hydraulic cylinder piston two sides pass through oil inlet and oil outlet respectively and are connected with double five-way valves；Further include One double five-way valve, double five-way valves include valve body, are located at the intracorporal upper oil duct of valve, lower oil duct in parallel arrangement and mutual not phase Logical, the oil return hole of the fuel feed hole of upper oil duct and lower oil duct is contrary and is located at the two sides of valve body, upper oil duct and lower oil duct There are five side oilholes for upper each interlaced arrangement, and are also staggered between upper oil duct side oilhole and lower oil duct side oilhole；Double five is logical The fuel feed hole of oil duct is connected to the oil outlet of reversal valve on valve, remaining five side oilhole be respectively communicated to hydraulic cylinder oil inlet, It is located at the upper hydraulic fluid port of the drive cylinder of the strong control valve on right side and the drive cylinder of the strong control valve positioned at left side in two suction valve groups Lower hydraulic fluid port；The oil return hole of oil duct is connected to the oil return opening of reversal valve under double five-way valves, remaining five side oilhole is respectively communicated to It is located at the lower hydraulic fluid port of the drive cylinder of the strong control valve on right side and the strong control positioned at left side in hydraulic cylinder oil outlet, two suction valve groups The upper hydraulic fluid port of the drive cylinder of valve.

Compared with prior art, the utility model has the beneficial effects that: the delivery pump device of the utility model is extra quality Cylinder, double acting form, not only pumpable one-component medium, but also two-component medium can be pumped by 1:1；The two-bit triplet of high pressure oil driving Strong control valve and material cylinder plunger synchronization action, moment that material cylinder suction chamber suction terminates forcibly closes the blocking of valve group material sucking port and inhaled The reflux of pan feeding, the synchronous discharge gate for opening the chamber；The moment that material cylinder discharge chamber discharge terminates forcibly closes discharging interface and blocks The reflux of material is discharged, the synchronous valve group material sucking port for opening the chamber realizes the pumping of non-internal leakage high viscosity medium；Drive cylinder with Material cylinder is shared into, oil return line, is not influenced by pumped medium inlet outlet pressure differential size, viscosity height, material cylinder plunger and valve operation High level of synchronization, switching movement are accurate；The utility model transmits pressure signal, composition using working media (slurry, oil liquid) Closed loop auto-control, no slip casting superpressure risk；It individually carries and goes into the well in addition, the utility model conveniently splits into several modules, Field combinations are extremely convenient.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the perspective view of the utility model embodiment, wherein threeway is omitted.

Fig. 2 is the rearview of Fig. 1, wherein threeway is omitted.

Fig. 3 is the structural schematic diagram for controlling valve in the utility model embodiment by force.

Fig. 4 is the structural schematic diagram that suction valve group is combined with hydraulic cylinder material cylinder assembly in the utility model embodiment.

Fig. 5 is the connection work between suction valve group in the utility model embodiment, hydraulic cylinder material cylinder assembly and double five-way valves Make schematic diagram；Wherein, threeway is omitted；The upper and lower structures of double five-way valves be abstracted be expressed as a double five-way valve upper runners and One double five-way valve lower flow channel；For the internal structure for clearly expressing strong control valve, the direction of material cylinder interface is depicted as symmetrically, it is practical In parallel and in valve group material sucking port vertical direction, each strong control valve inwardly connects two material cylinder interfaces perpendicular to picture direction when connection It is connected in material cylinder.

Fig. 6 is the structural schematic diagram of double five-way valves in the utility model embodiment.

In Fig. 1, Fig. 2,1, pressure switching suction metering valve, 2, fuel tank, 3, motor, 4, double five-way valves, 5, oil pump, 6, accumulator, 7, chassis, 8, reversal valve (Fig. 2), 9, hydraulic cylinder material cylinder assembly, 10, cooler；

In Fig. 3~6,4-1, one-way throttle valve, 4-2, port connection, 11, upper hydraulic fluid port, 12, drive cylinder piston, 13, drive Dynamic oil cylinder, 13-1, valve rod, 13-2, drive cylinder cylinder body, 14, lower hydraulic fluid port, 15, stop sleeve, 16, upper valve body component, 16-1, Sealing element, 16-2, sealing gland, 17, U-tube interface, 18, upper valve base, 19, lower valve body component, 20, movable valve block, 21, lower valve Seat, 22, lower port, 23, material cylinder interface, 24, ring flange III, 25, ring flange II, 26, ring flange I, 27, material cylinder, 27-1, material cylinder Plunger, 28, hydraulic cylinder, 28-1, hydraulic cylinder oil inlet, 28-2, hydraulic cylinder oil outlet, 28-3, hydraulic cylinder piston, 29, valve group suction Material mouth, 30, U-tube, 31, threeway, 31-1, discharging interface, 32, control valve by force, 33, double five-way valve upper layers, 34, under double five-way valves Layer, 35, upper oil duct, 35-1, upper oil duct fuel feed hole, 35-2, upper oil duct side oilhole, 36, lower oil duct, 36-1, lower oil duct oil return hole, 36-2, lower oil duct side oilhole.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the protection scope of the utility model.

In Fig. 1 and embodiment illustrated in fig. 2, a kind of slurry pipeline steel pump installation that high viscosity cannot flow automatically, including be mounted on Motor 3, oil pump 5, accumulator 6, reversal valve 8, hydraulic cylinder 28, material cylinder 27, cooler 10, fuel tank 2 and suction metering valve on chassis 7 Group, the suction valve group are that two pressures switching suction metering valves are connected and composed by a threeway 31, and the mouth of 31 lower end of threeway is Valve group material sucking port 29, each pressure switching suction metering valve are made up of two strong control valve 32 connection of U-tube 30；The delivery pump Device further includes accumulator 6 and cooler 10, and accumulator 6 is mounted between 8 oil inlet of oil outlet and reversal valve of oil pump 5, changes It being mounted between accumulator 6 and double five-way valves 4 to valve 8, cooler 10 is then mounted between the oil return opening of reversal valve 8 and fuel tank 2, Double five-way valves 4 be mounted on hydraulic cylinder 28, suction valve group drive cylinder 13 and reversal valve 8 between；Motor 3 and the driving of oil pump 5 connect It connecing, oil pump 5 draws oil and high input voltage accumulator 6 in fuel tank 2, reversal valve 8, double five-way valve upper layers 33 are then sequentially entered, The oil inlet of the high pressure oil that is flowed out by double five-way valve upper layers 33 while the drive cylinder for entering hydraulic cylinder 28 and left and right suction valve group； Oil return opening → 33 → reversal valve of bis- five-way valves lower layer 8 oil return opening of the drive cylinder of two suction valve groups of hydraulic cylinder 28 and left and right 10 → fuel tank of → cooler 2.

As shown in Figure 3, wherein the strong control valve 32 includes the drive cylinder 13 being tightly connected, valve rod 13-1, support sleeve Cylinder 15, upper valve body component 16, lower valve body component 19, upper valve base 18, lower valve base 21 and movable valve block 20 etc.；Drive cylinder 13 passes through spiral shell Bolt and the ring flange at both ends I 26, ring flange II 25 link together；The upper valve body component 16 is by sealing element 16-1, upper valve body It is formed with sealing gland 16-2, wherein upper valve body is formed on ring flange III 24 by seal, bend pipe and weld, seal Coaxial at bend pipe top and center and III 24 center line of ring flange, connector is on the microcephaly of bend pipe and in center line and ring flange III Heart line is vertical, and sealing element 16-1 is mounted in seal, is compressed above with sealing gland 16-2, implements to seal to valve rod 13-1； Upper valve body component 16 is linked together by being cased with the bolt of stop sleeve 15 with ring flange II 25 with lower valve body component 19；Valve rod 13-1 sequentially passes through upper valve base 18, upper valve body component 16 and ring flange II 25, upper valve base from bottom to top out of lower valve body component 19 18 and lower valve base 21 be located in the inner cavity of lower valve body component 19, and be separately fixed on ring flange III 24 and lower valve body component 19, Movable valve block 20 is threadedly attached in the lower end of valve rod 13-1 and between upper valve base 18 and lower valve base 21, and valve rod 13-1's is upper End is fixed on drive cylinder piston 12；Upper hydraulic fluid port 11 and lower hydraulic fluid port 14, upper and lower hydraulic fluid port point are respectively equipped in drive cylinder 13 It is not communicated with the oil pocket of 12 upper and lower of drive cylinder piston；Lower valve body component 19 has a material cylinder interface being connected to material cylinder 27 23 and a lower port 22；The protruding U-tube interface 17 in 16 side of upper valve body component, lower end and lower valve body component 19 Inner cavity connection, two strong control valve 32 is connected to by U-tube interface 17, is communicated to one between two lower ports 22 for controlling valve 32 by force A valve group material sucking port 29 forms a pressure switching suction metering valve；Two 16 side of upper valve body component discharging interface 31-1 pass through U-shaped Pipe 30 and threeway 31 connect, and two U-tubes 30 forced between switching suction metering valve U-tube interface 17 are whole after being connected by threeway 31 Body becomes suction valve group.

Referring to fig. 4, it is located in the middle hydraulic cylinder 28 to be connected with two material cylinders 27 at its both ends, constitutes hydraulic cylinder material cylinder assembly 9, hydraulic cylinder piston 28-3 are connect with two material cylinder plunger 27-1 by a plunger rod, the cavity of the two sides hydraulic cylinder piston 28-3 It is connected respectively by hydraulic cylinder oil inlet 28-1 and hydraulic cylinder oil outlet 28-2 with double five-way valves 4.

It further include a double five-way valve 4 referring to Figures 5 and 6, double five-way valves 4 include valve body, one-way throttle valve and oil Mouth connector；One-way throttle valve is mounted between valve body and port connection, and specifically one-way throttle valve is mounted at the oilhole of side, hydraulic fluid port Connector is mounted on the lower end of one-way throttle valve, and the aperture by adjusting one-way throttle valve realizes that strong control valve opening and closing speed is adjusted；Position In the intracorporal upper oil duct 35 of valve, lower oil duct 36 in parallel arrangement and not connected, the fuel feed hole 35-1 of upper oil duct 35 and lower oil duct 36 oil return hole 36-1 is contrary and is located at the two sides of valve body, and each interlaced arrangement has five on upper oil duct 35 and lower oil duct 36 A side oilhole, and be also staggered between upper oil duct side oilhole 35-2 and lower oil duct side oilhole 36-2.As shown in figure 5, described The fuel feed hole 35-1 of the upper oil duct 35 of double five-way valves 4 is connected to the oil outlet of reversal valve 8, remaining five side oilhole is respectively communicated to It is located at the upper hydraulic fluid port of the drive cylinder of the strong control valve on right side in hydraulic cylinder oil inlet 28-1, two suction valve groups and positioned at left side The lower hydraulic fluid port of the drive cylinder of strong control valve；The oil return hole 36-1 of the lower oil duct 36 of double five-way valves 4 is connected to the oil return of reversal valve 8 Mouthful, remaining five side oilhole is respectively communicated to hydraulic cylinder oil outlet 28-2, the strong control valve that is located at right side in two suction valve groups The lower hydraulic fluid port of drive cylinder and positioned at left side strong control valve drive cylinder upper hydraulic fluid port.

Referring to Fig. 3, the seal means of the present embodiment delivery pump device are: between the hydraulic cylinder piston 28-3 and its cylinder body Sealing, the piston rod of hydraulic cylinder 28 and is used between the hydraulic flange of 27 connection of material cylinder seal, material cylinder plunger 27-1 and its It is sealed between cylinder body and material cylinder flange for 28 connection of hydraulic cylinder, the strong drive cylinder piston 12 and its cylinder body for controlling valve 32 Between seal, sealed between ring flange I 26 and ring flange II 25 and drive cylinder cylinder body 13-2, ring flange II 25 and valve rod 13-1 Between seal, sealed between upper valve body component 16 and valve rod 13-1.Hole Yx shape sealing ring, V-type is respectively adopted in above each position The seal forms such as combination sealing, this spy's envelope, lattice Lay envelope；It is close by O-shaped rubber between 24 ring flanges III 24 and lower valve body component 19 Seal sealing.

The working principle of the utility model embodiment is as follows: (premise: constituting the two strong control that switching suction metering valve is forced in left side No. 1 valve of valve and No. 2 valves, the upper hydraulic fluid port of No. 1 valve and lower hydraulic fluid port are used 11 and 12 indicate respectively, the upper hydraulic fluid port and lower hydraulic fluid port point of No. 2 valves Do not indicated with 21 and 22, constitute right side and force two of suction metering valve strong control No. 3 valves of valve of switching and No. 4 valves, the upper hydraulic fluid port of No. 3 valves and Lower hydraulic fluid port is used 31 and 32 indicate respectively, and the upper hydraulic fluid port of No. 4 valves and lower hydraulic fluid port are used 41 and 42 indicate respectively)

As shown in Figure 4,5, high pressure oil enters hydraulic cylinder oil inlet 28-1 through the upper oil duct 35 of double five-way valves 4, pushes hydraulic When the cylinder piston 28-3 is moved from left to right, in left and right material cylinder 27 leftward space of two material cylinder plunger 27-1 become larger to be formed it is negative Pressure area, in upper valve position (grout outlet is closed, pulp absorbing hole is opened) after connected No. 1 valve and No. 3 valve events, slurry is sucked respectively Room is expected to the left side of two material cylinder plunger 27-1；Meanwhile the right side of the space of two material cylinder plunger 27-1 becomes smaller to form higher-pressure region, phase In lower valve position (grout outlet is opened, pulp absorbing hole is closed) after No. 2 valves and No. 4 valve events even, slurry is by respectively from two material cylinders The right side material room high pressure of plunger 27-1 pumps out；When hydraulic cylinder piston 28-3 is moved from right to left, two material in left and right material cylinder 27 The right side of cylinder plug 27-1 forms negative pressuren zone, and being in upper valve position after No. 2 valves and No. 4 valve events, (grout outlet is closed, pulp absorbing hole is beaten Open), slurry is drawn into the right side material room of two material cylinder plunger 27-1 respectively；Meanwhile the left side shape of two material cylinder plunger 27-1 At higher-pressure region, in lower valve position (grout outlet is opened, pulp absorbing hole is closed) after No. 1 valve and No. 3 valve events, slurry is by respectively from two The left side material room high pressure of material cylinder plunger 27-1 pumps out.It loops back and forth like this, as hydraulic cylinder piston 28-3 is ceaselessly moved back and forth, Organic coordination acts four strong control valve 32 therewith, to smoothly complete the lasting suction of slurry, row's work.Hydraulic cylinder piston 28-3's It moves back and forth back and forth to be changed by double about 4 oil ducts 36 of five-way valve into, oil return and be controlled, and 35 oil inlet of upper oil duct oil duct at present The reciprocal variation of 36 oil returns, upper 35 oil return of oil duct, 36 oil inlet of oil duct at present is controlled by reversal valve 8.

In addition, flowing to the hydraulic of 28 left side of hydraulic cylinder simultaneously respectively when high pressure liquid oil enters from double five-way valve upper layers 33 The upper hydraulic fluid port 21/41 of lower hydraulic fluid port 12/32, No. 2 valve and No. 4 valves of cylinder oil inlet 28-1, No. 1 valve and No. 3 valves keeps stoste cylinder pressure living Oil on the right side of plug 28-3 is back to double five-way valve lower layers 34 from 28-2 hydraulic fluid port, then returns to fuel tank 2 through reversal valve 8, cooler 10.With This simultaneously, under No. 1 valve, No. 3 valves hydraulic fluid port 12/32 oily drives drive cylinder piston 12 move (grout outlet closing, suction to upper valve position Mouth is starched to open), No. 2 valves, No. 4 valve upper hydraulic fluid ports 21/41 obtain oily drive drive cylinder piston 12 and move (out to lower valve position at the same time Starch mouth opening, pulp absorbing hole is closed), the liquid oil in 1~No. 4 12 other side oil pocket of valve drive cylinder piston is not from upper at the same time Hydraulic fluid port 11/31 and lower hydraulic fluid port 22/42 are back to double five-way valve lower layers 34, also return to fuel tank 2 through reversal valve 8, cooler 10.When changing It completes to commutate to valve 8, when high pressure liquid oil enters from double five-way valve lower layers 34, flows to the hydraulic cylinder on 28 right side of hydraulic cylinder simultaneously respectively The lower hydraulic fluid port 22/42 of upper hydraulic fluid port 11/31, No. 2 valve and No. 4 valves of oil outlet 28-2, No. 1 valve and No. 3 valves, makes stoste pressure cylinder piston Oil on the left of 28-3 is back to double five-way valve upper layers 33 from 28-1 hydraulic fluid port, then returns to fuel tank 2 through reversal valve 8, cooler 10.With this Meanwhile No. 1 valve, No. 3 valve upper hydraulic fluid ports 11/31 obtain oily drive drive cylinder piston 12 and move (grout outlet opening, midge to lower valve position Mouth is closed), hydraulic fluid port 22/42 obtains oily drive drive cylinder piston 12 and moves (pulp to upper valve position under No. 2 valves, No. 4 valves at the same time Mouth is closed, pulp absorbing hole is opened), the liquid oil in 12 other side oil pocket of drive drive cylinder piston of 1~No. 4 valve is other at the same time Double five-way valve upper layers 33 are back to from lower hydraulic fluid port 12/32 and upper hydraulic fluid port 21/41, also return to fuel tank 2 through reversal valve 8, cooler 10.

The utility model can pump the super viscous medium that dynamic viscosity is up to nearly million mPas；Suction valve group not pressure difference The influence of size, dielectric viscosity height runs high level of synchronization with hydraulic pump piston 28-3, and switching movement is accurate；Due to adopting Switch suction metering valve with the unique pressure of design, avoid interior leakage, slurry precipitating is small, can carry out long-distance sand transport；Utilize work Make medium (slurry, oil liquid) transmitting pressure signal, forms closed loop auto-control, no slip casting superpressure risk；Conveniently split into several moulds Block is individually carried and is gone into the well, and field combinations are extremely convenient.

The utility model can not only pump the super viscous medium that dynamic viscosity is up to nearly million mPas；It can be also used for list The conveying of other chemical sizwes such as slurry, dual slurry, yellow mud, the slip casting suitable for high pressure, big water burst block engineering, and The grouting reinforcement engineering of ravelly ground.

When the utility model configures automatic variable high-pressure oil pump, it can be automatically adjusted and be pumped according to output end plasma discharge actual pressure Flow is sent, to realize the stepless adjust automatically of flow, pressure；When configuring manual variable high-pressure oil pump, and output end may be implemented Constant flow pumping under the stepless variation of plasma discharge actual pressure, to meet the particular/special requirement of different operating conditions；Since pumping installations is adopted Switch suction metering valve with unique pressure is designed, upper lower valve base and movable valve block 20 use high hardness material, can under high pressure oil driving To squeeze microparticle in broken medium easily, and binding face meets mirror surface contact by fine grinding, avoids interior leakage, and slurry precipitating is small, can To carry out long-distance sand transport.

The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, it is all according to the technical essence of the utility model, any simple modification and same variation are made to above embodiments, fallen Enter within the protection scope of the utility model.

Claims (5)

1. The delivery pump device of slurry 1. a kind of high viscosity cannot flow automatically, including motor (3), oil pump (5), hydraulic cylinder (28), material cylinder (27), fuel tank (2), reversal valve (8) and suction valve group, motor (3) and oil pump (5) are drivingly connected, and oil pump (5) passes through reversal valve (8) by the high pressure oil input hydraulic cylinder (28) of fuel tank (2), hydraulic cylinder (28) drives the slurry in suction valve group pumping material cylinder (27) Body, the oil return of hydraulic cylinder (28) pass through reversal valve (8) again and flow into fuel tank (2), it is characterized in that:

   The suction valve group is that two pressures switching suction metering valves are connected and composed by a threeway (31), threeway (31) lower end Mouth is valve group material sucking port (29), and each pressure switching suction metering valve passes through U-tube (30) connection by two strong control valve (32) and forms；

   The strong control valve (32) include be tightly connected drive cylinder (13), stop sleeve (15), upper valve body component (16), under Valve part (19), upper valve base (18), lower valve base (21), movable valve block (20) and valve rod (13-1), drive cylinder (13) pass through spiral shell Bolt and the ring flange at both ends I (26), ring flange II (25) link together；Upper valve body component (16) is welded on ring flange III (24) On；Upper valve body component (16) is connect by being cased with the bolt of stop sleeve (15) with ring flange II (25) with lower valve body component (19) Together；Valve rod (13-1) sequentially passes through upper valve base (18), upper valve body component (16) out of lower valve body component (19) from bottom to top With ring flange II (25), upper valve base (18) and lower valve base (21) are located in the inner cavity of lower valve body component (19), and are separately fixed at On ring flange III (24) and lower valve body component (19), movable valve block (20) is threadedly attached in the lower end of valve rod (13-1) and is located at Between upper valve base (18) and lower valve base (21), the upper end of valve rod (13-1) is fixed on drive cylinder piston (12)；In driving oil Be respectively equipped with upper hydraulic fluid port (11) and lower hydraulic fluid port (14) on cylinder (13), upper and lower hydraulic fluid port respectively with drive cylinder piston (12) upper and lower Oil pocket communicate；Lower valve body component (19) has a material cylinder interface (23) being connected to material cylinder (27) and a lower port (22)；The protruding U-tube interface (17) in upper valve body component (16) side, the inner cavity of lower end and lower valve body component (19) Connection, two strong control valve (32) are connected to by U-tube interface (17), are communicated between the lower port (22) of two strong control valve (32) One valve group material sucking port (29) forms a pressure switching suction metering valve；Two upper valve body component (16) sides discharging interface (31- 1) it is connected by U-tube (30) with threeway, two are forced the U-tube (30) between switching suction metering valve U-tube interface (17) to pass through Integrally become suction metering valve group after threeway connection；

   It is located in the middle hydraulic cylinder (28) to be connected with two material cylinders (27) at its both ends, constitute hydraulic cylinder material cylinder assembly (9), it is hydraulic The cylinder piston (28-3) is connect with two material cylinder plungers (27-1) by a plunger rod, the cavity of the two sides hydraulic cylinder piston (28-3) It is connected respectively by hydraulic cylinder oil inlet (28-1) and hydraulic cylinder oil outlet (28-2) with double five-way valves (4)；

   It further include a double five-way valve (4), double five-way valves (4) include valve body, are located at the intracorporal upper oil duct (35) of valve, lower oil Road (36) is in parallel arrangement and not connected, the fuel feed hole (35-1) of upper oil duct (35) and the oil return hole (36-1) of lower oil duct (36) Two sides that are contrary and being located at valve body, on upper oil duct (35) and lower oil duct (36) each interlaced arrangement there are five side oilhole, And it is also staggered between upper oil duct side oilhole (35-2) and lower oil duct side oilhole (36-2)；

   The fuel feed hole (35-1) of the upper oil duct (35) of double five-way valves (4) is connected to the oil outlet of reversal valve (8), remaining five side oil Hole is respectively communicated to oiling for the drive cylinder of hydraulic cylinder oil inlet (28-1), the strong control valve for being located at right side in two suction valve groups Mouthful and positioned at left side strong control valve drive cylinder lower hydraulic fluid port；The oil return hole (36-1) of the lower oil duct (36) of double five-way valves (4) It is connected to the oil return opening of reversal valve (8), remaining five side oilhole is respectively communicated to hydraulic cylinder oil outlet (28-2), two suction metering valves In group positioned at right side strong control valve drive cylinder lower hydraulic fluid port and positioned at left side strong control valve drive cylinder upper hydraulic fluid port.
2. The delivery pump device of slurry 2. a kind of high viscosity according to claim 1 cannot flow automatically, it is characterized in that: described is defeated Sending pump installation further includes accumulator (6) and cooler (10), and accumulator (6) is mounted on oil outlet and reversal valve (8) of oil pump (5) Oil inlet between, reversal valve (8) is mounted between accumulator (6) and double five-way valve (4), and cooler (10) is then mounted on commutation Between the oil return opening and fuel tank (2) of valve (8), double five-way valves (4) are mounted on the drive cylinder (13) of hydraulic cylinder (28), suction valve group Between reversal valve (8).
3. The delivery pump device of slurry 3. a kind of high viscosity according to claim 1 or 2 cannot flow automatically, it is characterized in that: described Double five-way valves (4) further include one-way throttle valve and port connection, one-way throttle valve is mounted on the side oilhole of valve body and hydraulic fluid port connects Between head.
4. The delivery pump device of slurry 4. a kind of high viscosity according to claim 1 or 2 cannot flow automatically, it is characterized in that: described Upper valve body component (16) is made of sealing element (16-1), upper valve body and sealing gland (16-2), and wherein upper valve body is by seal, curved Pipe and weld are formed on ring flange III (24), and seal is same at bend pipe top and center and ring flange III (24) center line Axis, connector is on the microcephaly of bend pipe and center line and III central axis of ring flange, sealing element (16-1) are mounted in seal, It is compressed above with sealing gland (16-2).
5. The delivery pump device of slurry 5. a kind of high viscosity according to claim 1 or 2 cannot flow automatically, it is characterized in that: described Sealed between hydraulic cylinder piston (28-3) and its cylinder body, the piston rod of hydraulic cylinder (28) be used for and material cylinder (27) connection liquid It is sealed between pressure flange, material cylinder plunger (27-1) and its cylinder body and for close between the material cylinder flange of hydraulic cylinder (28) connection Envelope is controlled seal between the drive cylinder piston (12) and its cylinder body of valve (32) by force, ring flange I (26) and ring flange II (25) and drive It seals, is sealed between ring flange II (25) and valve rod (13-1), upper valve body component (16) and valve between dynamic cylinder block (13-2) It is sealed between bar (13-1).