CN108730147A - A kind of hydraulic slurry pump - Google Patents
A kind of hydraulic slurry pump Download PDFInfo
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- CN108730147A CN108730147A CN201810479822.0A CN201810479822A CN108730147A CN 108730147 A CN108730147 A CN 108730147A CN 201810479822 A CN201810479822 A CN 201810479822A CN 108730147 A CN108730147 A CN 108730147A
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- Prior art keywords
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- oil inlet
- pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
- F04B9/111—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
- F04B9/113—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting liquid motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of hydraulic slurry pumps, it is provided with oil inlet P, oil return inlet T, stock inlet V and high pressure grout outlet H, including pressurized cylinder and liquid controlled reversing valve module, pressurized cylinder includes low pressure (LP) cylinder, low-pressure piston, end cap, high-pressure plunger, high pressure cylinder, low pressure (LP) cylinder is equipped with the first oil inlet runner, the second oil inlet runner, the first control runner and the second control runner, and the connectivity slot of annular is provided on low-pressure piston；When low-pressure piston moves left to left end extreme position, the connectivity slot on low-pressure piston commutates the first oil inlet runner and the first control runner connection control liquid controlled reversing valve module；When low-pressure piston is shifted to the right to extreme right position, the connectivity slot on low-pressure piston moves back and forth the second oil inlet runner and the second control runner connection control liquid controlled reversing valve module commutation to control low-pressure piston；The hydraulic slurry pump is not only simple in structure, and is not necessarily to automatically controlled control.
Description
Technical field
The present invention relates to mud pump technical field, more particularly to a kind of hydraulic slurry pump.
Background technology
In engineering field, the big proportion of transfer of highly viscous or high sand content under high pressure are especially needed in petroleum industry and
It is used as circulating mud and injection cementing concrete when the relatively little liquid of flow, such as viscous well, when oil recovery is used as Crude Oil Transportation, well-flushing
Water filling and formation breakdown, therefore slush pump is a kind of general key equipment in petroleum industry.At present both at home and abroad in slush pump
On be mostly form using Mechanical Driven, in the acquisition that pump moves back and forth, the single cylinder list that is driven with crank block type
Process pump does not have Practical significance, because its nonuniformity of displacement is very big, numerical value 3.14；In addition there are three cylinder single-acting formulas
Pump, crank phase differ 120 °, and four cylinder single-actings are into being similar to duplex double action pump.Triplex single action pump is able to since last century
The reason of development be because its nonuniformity of displacement be 0.141, it is more much lower than the nonuniformity of displacement 0.314 of duplex double action pump, make
Drilling efficiency is significantly improved.
In recent years the hydraulic pump just occurred uses special flow equilibrium device because hydraulic motion is steady, so pump is defeated
The flow gone out is also relatively stablized, and necessarily more stablizes towards flow by the requirement of development form and efficient direction is developed.Through
Retrieval obtains following several similar data：1. Patent No. " EP0380777 ", entitled《The positive discharge capacity of delivery of brewed liquid
Pump》Patent.Its positive-displacement pump is driven by the two-way cylinder of a single-piston rod, its commutation is by piston rod
Two limit switches of rigid attachment disk collision control distributor realize, this limit switch can be electric, hydraulic pressure or its
Its form；2. Patent No. " US3142258 ", entitled《The structure of pump》Patent：It is that one kind pumping liquid or half flowing liquid
Plastic part pump structure, driving medium be compressed air, two series connection cylinder body inner carriers move position by both ends cylinder top
Adjustable limited block limit, commutation problem also can use piston rod one end sponson on collision block and microswitch cooperation
It acts on to realize；3. Patent No. " US3700360 ", entitled《Double-acting tandem piston pump》Patent, it is on vehicle
Engine-driven hydraulic pump formed pressure oil driving, oil cylinder concatenation, the concatenated double-acting pump of piston, the pump be used for convey
Water or liquid are characterized in transmission：The commutation of driving piston motion in drive cylinder is in the piston rod in two cylinders
An extension rod control circuit microswitch, realized with the guiding valve of electromagnetic action operation reversal valve.Above-mentioned retrieval
Three obtained compares patent description, and there is no the forms of the single-cylinder dual-action using hydraulic-driven in the field of slush pump, and
They are characterized in jointly：Though they are all the pumps of the double-acting type of hydraulic control, its commutation problem is all using machinery
The microswitch of motion collision circuit must have automatically controlled control, be not suitable in explosion-proof environment in practical applications come what is realized
It uses；And because microswitch is through multiple impacts, service life is also short, unreliable.
Invention content
(1) technical problems to be solved
It is an object of the invention to overcome the defect in the prior art, provide it is a kind of it is simple in structure, without automatically controlled control, make
With reliable hydraulic slurry pump.
(2) technical solution
To achieve the above object, the present invention provides a kind of hydraulic slurry pump, oil inlet P, oil return inlet T are provided with, into slurry
Mouth V and high pressure grout outlet H, including pressurized cylinder and liquid controlled reversing valve module；
The pressurized cylinder includes low pressure (LP) cylinder, low-pressure piston, end cap, high-pressure plunger, high pressure cylinder, and the low-pressure piston sliding is set
It sets in low pressure (LP) cylinder and is respectively formed with left piston chamber and right piston chamber in its left and right ends, right end and be slidably arranged in high pressure
High-pressure plunger in cylinder is connected, and the low pressure (LP) cylinder is equipped with the first oil inlet runner, the second oil inlet runner, the first control runner and the
Two control runners, the first oil inlet runner and the second oil inlet runner are connected with oil inlet P, the circumferential surface of the low-pressure piston
On be provided with annular connectivity slot；When low-pressure piston moves left to left end extreme position, the connectivity slot by the first oil inlet runner and
First control runner connection；When low-pressure piston is shifted to the right to extreme right position, the connectivity slot is by the second oil inlet runner and
Two control runner connections；
The liquid controlled reversing valve module is provided with oil inlet runner, oil return runner, the first actuator port A, the second actuator port
B, the first control port X1 and the second control port X2, the oil inlet runner are connected with oil inlet P, the oil return runner and institute
Oil return inlet T is stated to be connected；The first actuator port A is connected with left piston chamber；The second actuator port B and right piston chamber
It is connected；The first control port X1 is connected with the first control runner, the second control port X2 and described the
Two control runners are connected；
The liquid controlled reversing valve module includes reversing slide valve, hydraulic control one-way valve, the first damping, the second damping and third resistance
Buddhist nun, the reversing slide valve are two-position four way change valve, the oil inlet and oil return opening of the reversing slide valve respectively with oil inlet runner and
Oil return runner communicates, and two actuator ports of the reversing slide valve are connected with the first actuator port A and the second actuator port B respectively
It is logical；The hydraulic control one-way valve is located between the left control chamber and oil return runner of reversing slide valve, and the third damping hole is located at hydraulic control
Between the oil return opening and oil return runner of check valve, the first control port X1 is connected with the control mouth of hydraulic control one-way valve, institute
The control mouth for stating hydraulic control one-way valve is also connected by the second damping hole with the first actuator port A, the second control oil
Mouth X2 is connected with the left control chamber of reversing slide valve, and the oil inlet runner is connected with the right control chamber of reversing slide valve, described to change
Also it is connected to the left control chamber of guiding valve with the second actuator port B by the first damping hole；The left control chamber of the reversing slide valve
It is interior to be equipped with left control plunger, be equipped with right control plunger in the right control chamber of the reversing slide valve, the left control plunger it is transversal
Area is more than the cross-sectional area of right control plunger.
Through the above technical solutions, when the hydraulic cement slurry pump work, the right control chamber of reversing slide valve by with oil inlet runner
Connection is in pressure state always, and the cross-sectional area of the left control plunger in left control chamber is more than right control column in right control chamber
First control runner or second are controlled runner by the cross-sectional area of plug when moving to left and right ends extreme position by low-pressure piston
It is connected to oil inlet, and then changes the pressure in the left control chamber of reversing slide valve, made the pressure in left control chamber or pass through hydraulic control
Check valve off-load, or it is in pressure state, to make reversing slide valve commutate, control low-pressure piston is transported round about
It is dynamic, then again by the first damping hole to the left control chamber of reversing slide valve, by the second damping hole to the pressure of hydraulic control one-way valve control mouth
It is kept, maintains reversing slide valve to be reliably maintained at commutation position, therefore the present invention can be realized without automatically controlled control to mud
The sucking of slurry and supercharging discharge cycle, without being arranged automatically controlled component in outside or connecting rod stirs structure, parts are few, knot
Structure is simple, at low cost.
In further technical solution, when the reversing slide valve is at left position, the oil inlet runner and the second work
Hydraulic fluid port B is connected, and the first actuator port A is connected with oil return runner；When the reversing slide valve is in right position, the oil inlet
Runner is connected with the first actuator port A, and the second actuator port B is connected with oil return runner.
In further technical solution, the high pressure cylinder is connected to by going out slurry check valve with high pressure grout outlet H, stock inlet V
By being connected into slurry check valve high pressure cylinder.
(3) advantageous effect
Compared with prior art, technical scheme of the present invention has the following advantages：
When the hydraulic cement slurry pump work, the right control chamber of reversing slide valve is in pressure shape always by being connected to oil inlet runner
State, and the cross-sectional area of the left control plunger in left control chamber is more than the cross-sectional area of right control plunger in right control chamber, passes through
Low-pressure piston move to the first control runner when left and right ends are completely covered by the first through-flow slot or the second through-flow groove location or
Second control runner is connected to oil inlet, and then changes the pressure in the left control chamber of reversing slide valve, makes the pressure in left control chamber
Either by hydraulic control one-way valve off-load or be in pressure state, to make reversing slide valve commutate, control low-pressure piston to
Opposite direction move, then again by the first damping hole to the left control chamber of reversing slide valve, by the second damping hole to hydraulic control one-way valve control
The pressure of donsole is kept, and maintains reversing slide valve to be reliably maintained at commutation position, therefore the present invention is without automatically controlled control
Achievable sucking and supercharging discharge cycle to mud stirs structure without in the automatically controlled component of outside setting or connecting rod,
Parts are few, simple in structure, at low cost.
Description of the drawings
Fig. 1 is the hydraulic schematic diagram (low-pressure piston state in an intermediate position) of the embodiment of the present invention；
Fig. 2 is the hydraulic schematic diagram (low-pressure piston by right lateral turn left row state) of the embodiment of the present invention；
Fig. 3 is the hydraulic schematic diagram (low-pressure piston by left lateral turn right row state) of the embodiment of the present invention.
Specific implementation mode
- 3 are please referred to Fig.1, is currently preferred one embodiment, the present invention provides a kind of hydraulic slurry pump, is provided with
Oil inlet P, oil return inlet T, stock inlet V, high pressure grout outlet H comprising pressurized cylinder and liquid controlled reversing valve module；Pressurized cylinder includes low
Cylinder pressure 4, low-pressure piston 6, end cap 15, high-pressure plunger 5, high pressure cylinder 3, low-pressure piston 6 are slidably arranged in low pressure (LP) cylinder 4 and on its left sides
Right both ends are respectively formed with left piston chamber 4b and right piston chamber 4a, right end and the high-pressure plunger 5 being slidably arranged in high pressure cylinder 3
It is connected, low pressure (LP) cylinder 4 is equipped with the first oil inlet runner 10, the second oil inlet runner 8, first control runner 11 and second controls runner 9,
The first oil inlet runner 10 and the second oil inlet runner 8 are connected with oil inlet P, and annular is provided on the circumferential surface of low-pressure piston 6
Connectivity slot 7；When low-pressure piston 6 moves left to left end extreme position, the connectivity slot 7 controls the first oil inlet runner 10 and first
Runner 11 processed is connected to；When low-pressure piston 6 is shifted to the right to extreme right position, the connectivity slot 7 is by the second oil inlet runner 8 and second
Runner 9 is controlled to be connected to.
Liquid controlled reversing valve module is provided with oil inlet runner 16, oil return runner 17, the first actuator port A, the second actuator port
B, the first control port X1 and the second control port X2, oil inlet runner 16 are connected with oil inlet P, oil return runner 17 and oil return opening
T-phase is connected to；First actuator port A left piston chambers 4b is connected；Second actuator port B is connected with right piston chamber 4a；First control
The control runners 11 of liquefaction mouth X1 and first are connected, and the control runners 9 of the second control port X2 and second are connected.
Liquid controlled reversing valve module includes that reversing slide valve 12, hydraulic control one-way valve 13, first damp 14b, the second damping 14a and the
Three damping 14c, reversing slide valve 12 are two-position four way change valve, the oil inlet and oil return opening of reversing slide valve 12 respectively with oil inlet runner
16 and oil return runner 17 communicate, two actuator ports of reversing slide valve 12 respectively with the first actuator port A and the second actuator port B
It is connected；Hydraulic control one-way valve 13 is located between the left control chamber 12b of reversing slide valve 12 and oil return runner 17, third damping hole 14c
Between the oil return opening and oil return runner of hydraulic control one-way valve 13, the control mouth of the first control port X1 and hydraulic control one-way valve 13
13a is connected, and the control mouth 13a of hydraulic control one-way valve 13 is also connected by the second damping hole 14a with the first actuator port A, the
Two control port X2 are connected with the left control chamber 12b of reversing slide valve 12, the right control chamber 12a of oil inlet runner 16 and reversing slide valve
It is connected, the left control chamber 12b of reversing slide valve 12 is also connected by the first damping hole 14b with the second actuator port B；Commutation is slided
It is equipped with left control plunger 12d in the left control chamber 12b of valve, right control plunger 12c is equipped in the right control chamber 12a of reversing slide valve,
The cross-sectional area of left control plunger 12d is more than the cross-sectional area of right control plunger 12a.
When reversing slide valve 13 is at left position, oil inlet runner 16 is connected with the second actuator port B, the first actuator port
A is connected with oil return runner 17；When reversing slide valve 13 is in right position, oil inlet runner 16 is connected with the first actuator port A, and second
Actuator port B is connected with oil return runner 17.
High pressure cylinder 3 is connected to by going out slurry check valve 2 with high pressure liquid outlet H, and stock inlet V is by into slurry check valve 1 and high pressure
Cylinder 3 is connected to.
Working principle of the present invention is as follows：
Using when by the present invention oil inlet P be connected with hydraulic pump outlet, oil return inlet T is connected with fuel tank, stock inlet V and mud
It starches input channel to be connected, high pressure grout outlet H is connected with mud output channel.Assuming that 12 initial position of reversing slide valve is in left position,
As shown in Figure 1, then oil inlet runner 16 is connected with the second actuator port B, the first actuator port A is connected with oil return runner 17,
Fluid pushes piston 6 to be moved to the left by entering right piston chamber 4a after oil inlet P, oil inlet runner 16, the second actuator port B, simultaneously
Slurry liquid, which is passed through into slurry check valve 1, enters the progress filling liquid of high pressure cylinder 3, and the fluid of left piston chamber 4b is through the first actuator port A, oil return stream
Road 17 returns to fuel tank.When low-pressure piston 6 moves downward left end extreme position (as shown in Figure 3), the first oil inlet runner 10 is logical
The control mouth 13a for entering hydraulic control one-way valve 13 after connectivity slot 7 is connected with the first control runner 11 through the first control port X1 is crossed,
The fluid of left control chamber 12b is connected to by the unlatching of hydraulic control one-way valve 13 with oil return runner 17, and reversing slide valve 12 is right control chamber 12a's
Right position is commutated under pressure effect；After reversing slide valve 12 commutates to right position, oil inlet runner 16 is connected with the first actuator port A,
Second actuator port B is connected with oil return runner 17, and the fluid of oil inlet P is through oil inlet runner 16, the first actuator port A, first
Connection check valve 15b, which enters into left piston chamber 4b, pushes low-pressure piston 6 to move right, and the fluid in right piston chamber 4a is through second
Oil return inlet T is reached after actuator port B, oil return runner 17, the slurry liquid in high pressure cylinder 3 is discharged after supercharging by going out slurry check valve 2
To high pressure grout outlet H.What needs to be explained here is that after low-pressure piston 6 moves right, connectivity slot 7 is no longer by first into oil stream
Road 10 is connected with the first control runner 11, but the control mouth 13a of hydraulic control one-way valve 13 passes through the second damping hole 14b and first
Actuator port A, which is connected, to be continued to keep to maintain state in pressure, to make hydraulic control one-way valve 13 be in open state always, and
Left control chamber 12b, which is connected by the first damping hole 14a with the second actuator port B, continues to keep low-pressure state, therefore commutates and slide
Valve 12 can continue reliable holding position after connectivity slot 7 cuts off the first oil inlet runner 10 and the first control being connected to of runner 11
It sets.
As shown in Fig. 2, when low-pressure piston 6 moves right extreme right position, the second oil inlet runner 8 passes through connectivity slot
7 are connected with the second control runner 9, and the fluid of oil inlet P controls runner through the second oil inlet runner 8, through-flow slot 7, second successively
9, the second control port X2 enters the left control chamber 12b of reversing slide valve 12, although hydraulic control one-way valve 13 is also in opening state at this time
State, but because the oil return opening of hydraulic control one-way valve 13 is connected with third damping hole 14c and (flows into the stream of oil return runner by hydraulic control one-way valve 13
Measure small), and it is flowed by oil inlet P the setting in undamped hole in the runner of left control chamber 12b, so in left control chamber 12b
Pressure is equal with the pressure of oil inlet P, and control left in this way asks the pressure in 12b and right control chamber 12a equal (all and oil inlet
P pressure is equally big), but because the cross-sectional area of left control plunger 12d is more than the permanent basal plane product of right control plunger 12c, commutation
Guiding valve 12 commutates to left position under the active force of both ends.After reversing slide valve 12 changes to left position, oil inlet runner 16 and the second actuator port B
It is connected, the first actuator port A is connected with oil return runner 17, and the control mouth 13a of hydraulic control one-way valve 13 is also by second at this time
Damping hole 14a is connected with the first actuator port A in pressure release state, and hydraulic control one-way valve 13 completely closes；Fluid is by oil inlet
P, entering right piston chamber 4a after oil inlet runner 16, the second actuator port B pushes piston 6 to be moved to the left, while slurry liquid is passed through into slurry
Check valve 1 enters high pressure cylinder 3 and carries out filling liquid, and the fluid of left piston chamber 4b returns to oil through the first actuator port A, oil return runner 17
Case so far completes cycle.Equally, what needs to be explained here is that, after low-pressure piston 6 moves downward, connectivity slot 7 has cut off second
Oil inlet runner 8 is connected to the second control runner 9, but left control chamber 12b passes through the first damping hole 14a and the second actuator port
B, which is connected, has been continually maintained in pressure condition, and the control mouth 13a of hydraulic control one-way valve 13 passes through the second damping hole 14b and the first work
Make hydraulic fluid port A and be connected to be continually maintained in pressure release state, such reversing slide valve 12 can continue reliably to be maintained at commutation position.Only
Oil inlet P is wanted to have fluid persistently to supply, hydraulic slurry pump of the invention, which will move back and forth, to carry out filling liquid, is pressurized plasma discharge
Cyclic process.
Only it is the preferred embodiment of the present invention described in top, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of hydraulic slurry pump is provided with oil inlet P, oil return inlet T, stock inlet V and high pressure grout outlet H, which is characterized in that packet
Include pressurized cylinder and liquid controlled reversing valve module；
The pressurized cylinder includes low pressure (LP) cylinder, low-pressure piston, end cap, high-pressure plunger, high pressure cylinder, and the low-pressure piston is slidably arranged in
It is respectively formed with left piston chamber and right piston chamber in low pressure (LP) cylinder and in its left and right ends, right end is arranged with sliding in high pressure cylinder
High-pressure plunger is connected, and the low pressure (LP) cylinder is equipped with the first oil inlet runner, the second oil inlet runner, the first control runner and the second control
Runner, the first oil inlet runner and the second oil inlet runner are connected with oil inlet P, are provided on the circumferential surface of the low-pressure piston
The connectivity slot of annular；When low-pressure piston moves left to left end extreme position, the connectivity slot controls the first oil inlet runner and first
Runner connection processed；When low-pressure piston is shifted to the right to extreme right position, the connectivity slot controls the second oil inlet runner and second
Runner is connected to；
The liquid controlled reversing valve module is provided with oil inlet runner, oil return runner, the first actuator port A, the second actuator port B,
One control port X1 and the second control port X2, the oil inlet runner are connected with oil inlet P, the oil return runner and described time
Hydraulic fluid port T-phase is connected to；The first actuator port A is connected with left piston chamber；The second actuator port B is connected with right piston chamber
It is logical；The first control port X1 is connected with the first control runner, the second control port X2 and second control
Runner processed is connected；
The liquid controlled reversing valve module includes reversing slide valve, hydraulic control one-way valve, the first damping, the second damping and third damping, institute
It is two-position four way change valve to state reversing slide valve, the oil inlet and oil return opening of the reversing slide valve respectively with oil inlet runner and oil return stream
Road communicates, and two actuator ports of the reversing slide valve are connected with the first actuator port A and the second actuator port B respectively；Institute
It states hydraulic control one-way valve to be located between the left control chamber and oil return runner of reversing slide valve, the third damping hole is located at hydraulic control one-way valve
Oil return opening and oil return runner between, the first control port X1 is connected with the control mouth of hydraulic control one-way valve, the hydraulic control
The control mouth of check valve is also connected by the second damping hole with the first actuator port A, the second control port X2 with
The left control chamber of reversing slide valve is connected, and the oil inlet runner is connected with the right control chamber of reversing slide valve, the reversing slide valve
Left control chamber be also connected with the second actuator port B by the first damping hole；It is equipped in the left control chamber of the reversing slide valve
Left control plunger, the right control chamber of the reversing slide valve is interior to be equipped with right control plunger, and the cross-sectional area of the left control plunger is big
In the cross-sectional area of right control plunger.
2. hydraulic slurry pump according to claim 1, which is characterized in that when the reversing slide valve is at left position, institute
It states oil inlet runner with the second actuator port B to be connected, the first actuator port A is connected with oil return runner；The commutation is slided
When valve is in right position, the oil inlet runner is connected with the first actuator port A, the second actuator port B and oil return runner phase
Connection.
3. according to claim 1-2 any one of them hydraulic slurry pumps, which is characterized in that the high pressure cylinder passes through slurry check valve
It is connected to high pressure grout outlet H, stock inlet V into slurry check valve with high pressure cylinder by being connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810479822.0A CN108730147A (en) | 2018-05-18 | 2018-05-18 | A kind of hydraulic slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810479822.0A CN108730147A (en) | 2018-05-18 | 2018-05-18 | A kind of hydraulic slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730147A true CN108730147A (en) | 2018-11-02 |
Family
ID=63938579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810479822.0A Pending CN108730147A (en) | 2018-05-18 | 2018-05-18 | A kind of hydraulic slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730147A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2383822A (en) * | 2001-11-28 | 2003-07-09 | Minibooster Hydraulics As | Hydraulic pressure intensifier |
| CN2578556Y (en) * | 2002-09-05 | 2003-10-08 | 刘长年 | Electrichydraulic control high-pressure plunger pump |
| CN102287407A (en) * | 2011-09-19 | 2011-12-21 | 宁波汉商液压有限公司 | Double-action reciprocating hydraulic booster |
| CN204175679U (en) * | 2014-10-17 | 2015-02-25 | 长沙中联消防机械有限公司 | Bidirectional booster cylinder, pressurization system and vehicle |
-
2018
- 2018-05-18 CN CN201810479822.0A patent/CN108730147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2383822A (en) * | 2001-11-28 | 2003-07-09 | Minibooster Hydraulics As | Hydraulic pressure intensifier |
| CN2578556Y (en) * | 2002-09-05 | 2003-10-08 | 刘长年 | Electrichydraulic control high-pressure plunger pump |
| CN102287407A (en) * | 2011-09-19 | 2011-12-21 | 宁波汉商液压有限公司 | Double-action reciprocating hydraulic booster |
| CN204175679U (en) * | 2014-10-17 | 2015-02-25 | 长沙中联消防机械有限公司 | Bidirectional booster cylinder, pressurization system and vehicle |
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Application publication date: 20181102 |