CN108799040A - A kind of pumping machine - Google Patents
A kind of pumping machine Download PDFInfo
- Publication number
- CN108799040A CN108799040A CN201811020139.7A CN201811020139A CN108799040A CN 108799040 A CN108799040 A CN 108799040A CN 201811020139 A CN201811020139 A CN 201811020139A CN 108799040 A CN108799040 A CN 108799040A
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- Prior art keywords
- valve
- pulp
- conveying cylinder
- absorbing
- plug
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- 238000005086 pumping Methods 0.000 title claims abstract description 46
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 29
- 239000003921 oil Substances 0.000 claims description 23
- 239000002828 fuel tank Substances 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 10
- 230000008676 import Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- 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
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention proposes a kind of pumping machine, including conveying cylinder, master cylinder in conveying cylinder one end is set, piston is equipped in conveying cylinder, the piston rod of master cylinder and the piston of conveying cylinder are connected to drive the piston of conveying cylinder to be moved back and forth in conveying cylinder, the other end of conveying cylinder connects pulp-absorbing pipe by pulp absorbing valve and connects discharge pipe with by pulp-expelling valve, pulp absorbing valve and pulp-expelling valve are check valve, wherein, at least one check valve includes valve body, plug and elastic component, valve body is equipped with entrance and exit, plug is used to get through and disconnect the entrance and exit of the valve body, the entrance and exit that elastic component is used to that plug to be pushed to disconnect the valve body.The pumping machine of the present invention, at least one check valve directly controls the connection and disconnection of entrance and exit according to the elastic component in the fluid pressure differential of entrance and exit both sides and this body structure, it is simple in structure, manufacturing cost is relatively low, and the opening and closing of the check valve of this structure are controlled by loine pressure, and asynchronous problem is not present.
Description
Technical field
The present invention relates to engineering machinery field, more particularly to a kind of pumping machine.
Background technology
The currently used pumping machine for slurry transportation has ribbon conveyer, screw conveyor, screw pump, plunger
Pump, diaphragm pump etc., wherein ribbon conveyer, screw conveyor, screw pump etc. are limited by structural principle, the distance generally conveyed
It is not far, conveying discharge capacity it is small, the high sludge of moisture content is difficult to convey；Plunger pump structure is complicated, and manufacturing cost is high, and to conveying
Impurity in fluid is more sensitive；Diaphragm pump high energy consumption, diaphragm are easily damaged when conveying high temperature, corrosive fluid, diaphragm
Agitate frequency high when work, it is fragile, cause maintenance cost high, and its discharge capacity, lift are also restrained；S valve piston formula coagulations
The manufacture of the S pendulum valves of native delivery pump requires very high, and which results in S valve piston formulas concrete pump, not only structure is multiple
It is miscellaneous, and cost is high, use and inconvenient maintenance.
The invention of Patent No. ZL201620139166.6 provides a kind of piston type slurry transportation pump, including combined feed
One end of pipe, total discharge nozzle, two material cylinders and two oil cylinders, two material cylinders is connected with corresponding two oil cylinders respectively, the conveying
Pump further includes two import hydraulic control one-way valves and two outlet hydraulic control one-way valves, respectively passes through one three in the other end of two material cylinders
Siphunculus connects an import hydraulic control one-way valve and one outlet hydraulic control one-way valve, the import of two import hydraulic control one-way valves pass through pipe
Road, which links together, reconnects combined feed pipe, and the outlet of two outlet hydraulic control one-way valves is reconnected always together by piping connection
Discharge nozzle；Two import hydraulic control one-way valves and two outlet hydraulic control one-way valves are all made of hydraulic cylinder control and open and close.
The piston type slurry transportation of this structure pumps, and two import hydraulic control one-way valves and two outlet hydraulic control one-way valves are all made of
Hydraulic cylinder control opens and closes, and presence signal is poor while commutating with two oil cylinders, cooperation delay etc.；And structure is multiple
Miscellaneous, manufacturing cost is high.
Invention content
In view of this, the present invention proposes a kind of pumping machine, the structure of the pumping machine is simple, and manufacturing cost is relatively low,
Synchronism is good or asynchronous problem is not present.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of pumping machine, including conveying cylinder, setting in conveying cylinder
The master cylinder of one end, is equipped with piston in the conveying cylinder, the piston rod of the master cylinder connect with the piston of the conveying cylinder with
The piston of driving conveying cylinder moves back and forth in conveying cylinder, and the other end of the conveying cylinder connects pulp-absorbing pipe by pulp absorbing valve and leads to
Cross pulp-expelling valve connection discharge pipe, the pulp absorbing valve and pulp-expelling valve are check valve, wherein at least one check valve include valve body,
Plug and elastic component, the valve body are equipped with entrance and exit, and the plug is used to get through and disconnect the entrance of the valve body and goes out
Mouthful, the entrance and exit that the elastic component is used to that the plug to be pushed to disconnect the valve body.
Further include the fixed seat being fixed in valve body as the improvement of above-mentioned pumping machine on the one hand, it is described solid
Reservation includes pedestal, connecting rod and headstock, and the headstock is located between the entrance and exit of valve body and is fixedly connected with the valve body, institute
It states headstock and is equipped with flowing hole, the both ends of the connecting rod are connect with the pedestal and headstock respectively, the plug and elastic component
It is set in the connecting rod, the elastic component is arranged between the plug and the pedestal, and the elastic component is for pushing
The plug blocks flowing hole to disconnect the entrance and exit of the valve body.
As the improvement of above-mentioned pumping machine on the one hand, the plug is equipped with the relief hole axially penetrated through, described
When plug gets through the entrance and exit of valve body, the relief hole and the flowing hole are in connected state, are disconnected in the plug
When the entrance and exit of valve body, the relief hole and the flowing hole are off.
Further include spacing head and spacer pin as the improvement of above-mentioned pumping machine on the one hand, the headstock is equipped with platform
Rank hole, one end of the connecting rod sequentially pass through after pedestal and spacing head again by the limit lock through spacing head and connecting rod
Gu the both ends of the spacing head pass through the stepped hole and spacer pin axial limiting respectively.
Further include the axle sleeve being sleeved in the connecting rod, the connection as the improvement of above-mentioned pumping machine on the one hand
Bar is equipped with the shaft shoulder, and the both ends of the axle sleeve abut the pedestal and the shaft shoulder respectively, and the plug is slided with the axle sleeve
Cooperation.
As the improvement of above-mentioned pumping machine on the one hand, the axle sleeve is equipped with lug boss towards one end of pedestal, described
Axle sleeve abuts the pedestal by the lug boss, and the elastic component is compressed spring.
As the improvement of above-mentioned pumping machine on the one hand, the valve body includes the front housing being detachably connected and rear shell.
As the improvement of above-mentioned pumping machine on the one hand, including reversal valve, fuel tank, oil pump, driving device and hydraulic oil
The oil inlet of cooler, the reversal valve is sequentially connected oil pump, fuel tank, and the oil pump is connect with the driving device, described to change
It is sequentially connected hydraulic oil cooler, fuel tank to the oil return opening of valve；
The conveying cylinder includes the first conveying cylinder, the second conveying cylinder, and the master cylinder includes the first master cylinder, the second main oil
Cylinder, the pulp absorbing valve include the first pulp absorbing valve, the second pulp absorbing valve, and the pulp-expelling valve includes the first pulp-expelling valve, the second pulp-expelling valve, institute
Two actuator ports for stating reversal valve are separately connected the first chamber of the first master cylinder and the first chamber of the second master cylinder, the first main oil
Second chamber of cylinder and the second chamber of the second master cylinder are connected to, the piston in the piston rod and the first conveying cylinder of first master cylinder
Connection, the piston rod of second master cylinder are connect with the piston in the second conveying cylinder, first conveying cylinder, the second conveying cylinder
Rodless cavity respectively pass through the first pulp absorbing valve, the second pulp absorbing valve connect pulp-absorbing pipe, first conveying cylinder, the nothing of the second conveying cylinder
Rod cavity connects discharge pipe by the first pulp-expelling valve, the second pulp-expelling valve respectively；
Or, the pulp absorbing valve includes the first pulp absorbing valve, the second pulp absorbing valve, the pulp-expelling valve includes the first pulp-expelling valve, second
Pulp-expelling valve, the rodless cavity of the conveying cylinder connect pulp-absorbing pipe by first pulp absorbing valve and connect plasma discharge with by the first pulp-expelling valve
Pipe, the rod chamber of the conveying cylinder connect pulp-absorbing pipe by second pulp absorbing valve and connect discharge pipe with by the second pulp-expelling valve,
Two actuator ports of the reversal valve are separately connected the rod chamber of the master cylinder, rodless cavity.
As the improvement of above-mentioned pumping machine on the one hand, including control device and for detecting in pulp-absorbing pipe and discharge pipe
The pressure-detecting device of pressure, the control device connect with the driving device, the reversal valve and the pressure-detecting device
It connects, the control device is used to control the driving device and the reversal valve according to the detection data of the pressure-detecting device
Action.
As the improvement of above-mentioned pumping machine on the one hand, the control device includes power control cabinet ontology and is arranged in electricity
The display and communication module on cabinet ontology are controlled, the display is for showing the equipment for including pulp-absorbing pipe and plasma discharge overpressure
Operating parameter.
The present invention pumping machine, at least one check valve directly according to the fluid pressure differential of entrance and exit both sides with
And the elastic component in this body structure controls getting through and disconnecting for entrance and exit, simple in structure, manufacturing cost is relatively low, and this
The opening and closing of the check valve of structure are controlled by loine pressure, and asynchronous problem is not present.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.
Fig. 1 is the structural schematic diagram of the check valve of the present invention in a specific embodiment；
Fig. 2 is the exploded perspective view of the check valve of Fig. 1；
The check valve past exploded perspective view from another perspective that Fig. 3 is Fig. 1；
Fig. 4 is the control principle schematic diagram of the pumping machine of the present invention in the first embodiment；
Fig. 5 is the control principle schematic diagram of the pumping machine of the present invention in a second embodiment；
Fig. 6 is the structural schematic diagram of the pumping machine of the present invention in a specific embodiment；
Fig. 7 is the vertical view of Fig. 6；
Fig. 8 is the close-up schematic view of Fig. 7；
Fig. 9 is the structural schematic diagram of the control device of the present invention in a specific embodiment.
The correspondence of reference numeral and parts is in Fig. 1 to Fig. 9：
1 pulp-absorbing pipe, 2 discharge pipe, 3 valve body
4 plug, 5 elastic component, 6 entrance
7 outlet 8 pedestal, 9 connecting rods
10 headstock, 11 flowing hole, 12 relief hole
13 spacing head, 14 spacer pin, 15 stepped hole
16 axle sleeve, 17 shaft shoulder, 18 lug boss
19 front housing, 20 rear shell, 21 reversal valve
22 fuel tank, 23 oil pump, 24 driving device
25 hydraulic oil cooler, 26 first conveying cylinder, 27 second conveying cylinder
28 first master cylinder, 29 second master cylinder, 30 first pulp absorbing valve
31 second pulp absorbing valve, 32 first pulp-expelling valve, 33 second pulp-expelling valve
34 control device, 35 power control cabinet ontology, 36 display
37 communication modules
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
As shown in Figure 1 to Figure 4 and shown in Fig. 6 to Fig. 9, a kind of pumping machine of present invention offer, the pumping machine include conveying cylinder,
Master cylinder in conveying cylinder one end is set, piston, the piston rod of the master cylinder and the conveying cylinder are equipped in the conveying cylinder
Piston connect to drive the piston of conveying cylinder to be moved back and forth in conveying cylinder, the other end of the conveying cylinder is connected by pulp absorbing valve
It connects pulp-absorbing pipe 1 and connects discharge pipe 2 with by pulp-expelling valve, the pulp absorbing valve and pulp-expelling valve are check valve, wherein at least one list
Include valve body 3, plug 4 and elastic component 5 to valve, the valve body 3 is equipped with entrance 6 and outlet 7, the plug 4 for getting through and
Entrance 6 and the outlet 7 of the valve body 3 are disconnected, the entrance 6 and go out that the elastic component 5 is used to that the plug 4 to be pushed to disconnect the valve body 3
Mouth 7.
For the present invention unlike existing structure, pulp absorbing valve and pulp-expelling valve are all check valve, wherein at least one is unidirectional
Valve includes valve body 3, plug 4 and elastic component 5, and the valve body 3 is equipped with entrance 6 and outlet 7, and the plug 4 is for beating on and off
Entrance 6 and the outlet 7 of the valve body 3 are opened, the entrance 6 and outlet that the elastic component 5 is used to that the plug 4 to be pushed to disconnect the valve body 3
7, wherein elastic component 5 can be compressed spring, using above-mentioned special construction pulp absorbing valve and pulp-expelling valve pumping mud process
In, it can utilize the elastic force of elastic component 5 that entrance 6 is automatically closed, the piston of conveying cylinder moves back and forth in conveying cylinder makes conveying
Positive pressure or negative pressure are formed in cylinder, and pulp absorbing valve and pulp-expelling valve can be opened or closed by the positive pressure or negative pressure, opened and closed
It is not necessarily to other ancillary equipments during pulp absorbing valve and pulp-expelling valve, has the characteristics that simple in structure, easy to operate.
As shown in the above, pumping machine of the invention, at least one check valve is directly according to entrance 6 and outlet 7
Elastic component 5 in the fluid pressure differential of both sides and this body structure come control entrance 6 and outlet 7 be connected to and disconnection, structure letter
Single, manufacturing cost is relatively low, and the opening and closing of the check valve are controlled by loine pressure, and asynchronous problem is not present.
Specifically, further including the fixed seat being fixed in valve body 3, the fixed seat includes pedestal 8,9 and of connecting rod
Headstock 10, the headstock 10 are located between the entrance 6 of valve body 3 and outlet 7 and are fixedly connected with valve body 3, set on the headstock 10
There are flowing hole 11, the both ends of the connecting rod 9 to be connect respectively with the pedestal 8 and headstock 10,5 sets of the plug 4 and elastic component
It is located in the connecting rod 9, the elastic component 5 is arranged between the plug 4 and the pedestal 8, and the elastic component 5 is for pushing away
The dynamic plug 4 blocks flowing hole 11 to disconnect entrance 6 and the outlet 7 of the valve body 3.
In previous embodiment, it is preferred that the plug 4 is equipped with the relief hole 12 axially penetrated through, is got through in the plug 4
When the entrance 6 of valve body 3 and outlet 7, the relief hole 12 and the flowing hole 11 are in connected state, are disconnected in the plug 4
When the entrance 6 of valve body 3 and outlet 7, the relief hole 12 and the flowing hole 11 are off.In other words, the plug 4
It is equipped with relief hole 12 in the position to misplace with the flowing hole 11, the relief hole 12 is located at the flowing hole 11 and the connection
Between bar 9, relief hole 12 can mainly play the role of at 2 points, and first point is when pressure is excessive, and relief hole 12 can play good
Good pressure release effect reduces damage of the pressure to parts, the service life of elongate member；Second point is to increase mud flow rate,
When the plug 4 gets through entrance 6 and the outlet 7 of valve body 3, mud can shunt part to relief hole 12.
In previous embodiment, it is preferred that in order to reduce connecting rod 9 and 4 direct sliding friction of plug brings to connecting rod 9
Damage further includes the axle sleeve 16 being sleeved in the connecting rod 9, and connecting rod 9 is equipped with the shaft shoulder 17, and the both ends of the axle sleeve 16 are distinguished
The pedestal 8 and the shaft shoulder 17 are abutted, the plug 4 is slidably matched with the axle sleeve 16.More preferably, the axle sleeve 16
It is equipped with lug boss 18 towards one end of pedestal 8, the axle sleeve 16 abuts the pedestal 8 by the lug boss 18.
Specifically, further including spacing head 13 and spacer pin 14, the headstock 10 is equipped with stepped hole 15, the connecting rod 9
One end sequentially pass through again by the locking of spacer pin 14 through spacing head 13 and connecting rod 9 after pedestal 8 and spacing head 13, it is described
The both ends of spacing head 13 pass through 14 axial limiting of the stepped hole 15 and spacer pin respectively.
For the ease of assembling, in an advantageous embodiment, the valve body 3 includes the front housing 19 being detachably connected and rear shell
20, when assembly, one end of connecting rod 9 is sequentially passed through into axle sleeve 16, pedestal 8, spacing head 13 first, then lock spacer pin 14, axis
The both ends of set 16 abut pedestal 8 and the shaft shoulder 17 respectively, and the other end of connecting rod 9 is then sequentially passed through elastic component 5,4 and of plug
Headstock 10, headstock 10 are fixedly connected with front housing 19, and front housing 19 is equipped with entrance 6 and outlet 7, then closes front housing 19 and rear shell 20 simultaneously
Above-mentioned parts are all closed in the valve body 3 that front housing 19 and rear shell 20 surround.
In a specific embodiment, including reversal valve 21, fuel tank 22, oil pump 23, driving device 24 and hydraulic oil cool down
The oil inlet of device 25, the reversal valve 21 is sequentially connected oil pump 23, fuel tank 22, and the oil pump 23 connects with the driving device 24
It connects, the oil return opening of the reversal valve 21 is sequentially connected hydraulic oil cooler 25, fuel tank 22.Wherein, driving device 24 can be electricity
Machine, or hydraulic motor.Hydraulic oil cooler 25 prevents hydraulic oil during the motion for being cooled down to hydraulic oil
The movement of pumping machine is influenced because of fever, fuel tank 22 is used for storing the hydraulic oil of needs, ensures the smooth of pumping machine movement.
The conveying cylinder includes the first conveying cylinder 26, the second conveying cylinder 27, and the master cylinder includes the first master cylinder 28, the
Two master cylinders 29, the pulp absorbing valve include the first pulp absorbing valve 30, the second pulp absorbing valve 31, and the pulp-expelling valve includes the first pulp-expelling valve
32, the second pulp-expelling valve 33, two actuator ports of the reversal valve 21 are separately connected the first chamber and second of the first master cylinder 28
Second chamber of the first chamber of master cylinder 29, the second chamber of the first master cylinder 28 and the second master cylinder 29 is connected to, the first main oil
The piston rod of cylinder 28 is connect with the piston in the first conveying cylinder 26, the piston rod of second master cylinder 29 and the second conveying cylinder 27
In piston connection, first conveying cylinder 26, the second conveying cylinder 27 rodless cavity respectively pass through the first pulp absorbing valve 30, second inhale
Starch valve 31 connect pulp-absorbing pipe 1, first conveying cylinder 26, the second conveying cylinder 27 rodless cavity respectively by the first pulp-expelling valve 32,
Second pulp-expelling valve 33 connects discharge pipe 2.
In aforementioned preferred embodiments, produced when in the piston rod contraction of the first master cylinder 28, the rodless cavity of the first conveying cylinder 26
Raw larger vacuum degree, under the suction function of the rodless cavity of the first conveying cylinder 26, the first pulp absorbing valve 30 is opened, the first pulp-expelling valve
32 close, and mud is sucked the rodless cavity of the first conveying cylinder 26 by pulp-absorbing pipe 1, and at the same time, the piston rod of the second master cylinder 29 is stretched
It is long, partial high pressure is generated in the rodless cavity of the second conveying cylinder 27, under the positive pressure of the rodless cavity of the second conveying cylinder 27, second
Pulp absorbing valve 31 is closed, and the second pulp-expelling valve 33 is opened, and mud drains into discharge pipe 2 by the rodless cavity of the second conveying cylinder 27；As the first master
The piston rod of oil cylinder 28 extends, and partial high pressure is generated in the rodless cavity of the first conveying cylinder 26, in the rodless cavity of the first conveying cylinder 26
Positive pressure under, the first pulp absorbing valve 30 is closed, and the first pulp-expelling valve 32 is opened, and mud drains by the rodless cavity of the first conveying cylinder 26
Discharge pipe 2, at the same time, the piston rod of the second master cylinder 29 are shunk, and are generated in the rodless cavity of the second conveying cylinder 27 larger true
Reciprocal of duty cycle, under the suction function of the rodless cavity of the second conveying cylinder 27, the second pulp absorbing valve 31 is opened, and the second pulp-expelling valve 33 is closed, mud
Slurry is sucked the rodless cavity of the second conveying cylinder 27 by pulp-absorbing pipe 1.Such circulation action, you can realize that mud high pressure is remote continuous defeated
It send.
More preferably, including control device 34 and for detect pressure in pulp-absorbing pipe 1 and discharge pipe 2 pressure detecting fill
It sets, the control device 34 is connect with the driving device 24, the reversal valve 21 and the pressure-detecting device, the control
Device 34 is used to control the driving device 24 according to the detection data of the pressure-detecting device and the reversal valve 21 acts.
Specifically, the control device 34 includes power control cabinet ontology 35 and the display being arranged on power control cabinet ontology 35
36 and communication module 37, the display 36 is used for display device operational factor, and the equipment operating parameter includes 1 He of pulp-absorbing pipe
Pressure parameter in discharge pipe 2, the communication module 37 are used to establish with the host computer of pumping machine and communicate.Wherein, control dress
It can be microcontroller to set 34, or PLC programmable controller, display 36 can be intuitively displayed out the operation of current device
State.In the embodiment, due to being equipped with communication module 37 in control device 34, to which control device 34 can be wired or wireless
Data transfer mode and the host computer of pumping machine carry out communication cooperation, host computer is generally sludge centralized processing center system
System, control device 34 control the startup and shutdown of this equipment by the signal received；The input that can also be conveyed according to host computer
Piping flow information adjusts the output displacement of this equipment in time by operation.
In conclusion the pumping machine of the present invention, at least one check valve is directly according to 7 both sides of entrance 6 and outlet
Elastic component 5 in fluid pressure differential and this body structure come control entrance 6 and outlet 7 be connected to and disconnection, simple in structure, manufacture
Cost is relatively low, and the opening and closing of the check valve are controlled by loine pressure, and asynchronous problem is not present.
Embodiment two
Embodiment two and embodiment one the difference is that：
As shown in figure 5, the pulp absorbing valve includes the first pulp absorbing valve 30, the second pulp absorbing valve 31, the pulp-expelling valve includes first
The rodless cavity of pulp-expelling valve 32, the second pulp-expelling valve 33, the conveying cylinder connects pulp-absorbing pipe 1 by first pulp absorbing valve 30 and passes through
First pulp-expelling valve 32 connects discharge pipe 2, and the rod chamber of the conveying cylinder connects pulp-absorbing pipe 1 by second pulp absorbing valve 31 and leads to
Cross the second pulp-expelling valve 33 connection discharge pipe 2, what two actuator ports of the reversal valve 21 were separately connected the master cylinder has bar
Chamber, rodless cavity.
The piston of conveying cylinder of this pumping mechanism move back and forth can once realize suction twice, discharge process, compare
For pumping mechanism in the prior art, the continuity of pumping machine enhancing pumping mud operation provided by the present invention, substantially
Degree improves work efficiency, and has the characteristics that simple in structure, making is easy to process.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of pumping machine, including conveying cylinder, master cylinder in conveying cylinder one end is set, piston is equipped in the conveying cylinder,
The piston rod of the master cylinder is connect with the piston of the conveying cylinder to drive the piston of conveying cylinder to be moved back and forth in conveying cylinder,
The other end of the conveying cylinder connects pulp-absorbing pipe (1) by pulp absorbing valve and connects discharge pipe (2) with by pulp-expelling valve, and feature exists
In：The pulp absorbing valve and pulp-expelling valve are check valve, wherein at least one check valve includes valve body (3), plug (4) and elasticity
Part (5), the valve body (3) are equipped with entrance (6) and outlet (7), and the plug (4) is for getting through and disconnecting the valve body (3)
Entrance (6) and outlet (7), the entrance (6) and outlet that the elastic component (5) is used to that the plug (4) to be pushed to disconnect the valve body (3)
(7)。
2. pumping machine according to claim 1, it is characterised in that：It further include the fixation being fixed in valve body (3)
Seat, the fixed seat includes pedestal (8), connecting rod (9) and headstock (10), and the headstock (10) is located at the entrance (6) of valve body (3)
It is fixedly connected between outlet (7) and with valve body (3), the headstock (10) is equipped with flowing hole (11), the connecting rod (9)
Both ends are connect with the pedestal (8) and headstock (10) respectively, and the plug (4) and elastic component (5) are set in the connecting rod (9)
On, the elastic component (5) is arranged between the plug (4) and the pedestal (8), and the elastic component (5) is described for pushing
Plug (4) blocks flowing hole (11) to disconnect entrance (6) and the outlet (7) of the valve body (3).
3. pumping machine according to claim 2, it is characterised in that：The plug (4) is equipped with the pressure release axially penetrated through
Hole (12), when the plug (4) gets through entrance (6) and the outlet (7) of valve body (3), the relief hole (12) and the overcurrent
Hole (11) is in connected state, when the plug (4) disconnects entrance (6) and the outlet (7) of valve body (3), the relief hole
(12) it is off with the flowing hole (11).
4. pumping machine according to claim 2, it is characterised in that：Further include spacing head (13) and spacer pin (14), institute
It states headstock (10) and is equipped with stepped hole (15), one end of the connecting rod (9) sequentially passes through after pedestal (8) and spacing head (13) again
Spacer pin (14) by running through spacing head (13) and connecting rod (9) locks, and the both ends of the spacing head (13) pass through institute respectively
State stepped hole (15) and spacer pin (14) axial limiting.
5. pumping machine according to claim 2, it is characterised in that：It further include the axle sleeve being sleeved in the connecting rod (9)
(16), the connecting rod (9) is equipped with the shaft shoulder (17), and the both ends of the axle sleeve (16) abut the pedestal (8) and described respectively
The shaft shoulder (17), the plug (4) are slidably matched with the axle sleeve (16).
6. pumping machine according to claim 5, it is characterised in that：One end of axle sleeve (16) towards the pedestal (8) is set
There are lug boss (18), the axle sleeve (16) to abut the pedestal (8) by the lug boss (18), the elastic component (5) is compression
Spring.
7. pumping machine according to claim 1, it is characterised in that：The valve body (3) includes the front housing being detachably connected
(19) and rear shell (20).
8. according to claim 1-7 any one of them pumping machines, it is characterised in that：Including reversal valve (21), fuel tank (22),
The oil inlet of oil pump (23), driving device (24) and hydraulic oil cooler (25), the reversal valve (21) is sequentially connected oil pump
(23), fuel tank (22), the oil pump (23) connect with the driving device (24), and the oil return opening of the reversal valve (21) connects successively
Connect hydraulic oil cooler (25), fuel tank (22)；
The conveying cylinder include the first conveying cylinder (26), the second conveying cylinder (27), the master cylinder include the first master cylinder (28),
Second master cylinder (29), the pulp absorbing valve include the first pulp absorbing valve (30), the second pulp absorbing valve (31), and the pulp-expelling valve includes first
Two actuator ports of pulp-expelling valve (32), the second pulp-expelling valve (33), the reversal valve (21) are separately connected the first master cylinder (28)
The first chamber and the second master cylinder (29) the first chamber, the second chamber of the first master cylinder (28) and the second of the second master cylinder (29)
Chamber is connected to, and the piston rod of first master cylinder (28) is connect with the piston in the first conveying cylinder (26), second master cylinder
(29) piston rod is connect with the piston in the second conveying cylinder (27), first conveying cylinder (26), the second conveying cylinder (27)
Rodless cavity respectively by the first pulp absorbing valve (30), the second pulp absorbing valve (31) connect pulp-absorbing pipe (1), first conveying cylinder (26),
The rodless cavity of second conveying cylinder (27) connects discharge pipe (2) by the first pulp-expelling valve (32), the second pulp-expelling valve (33) respectively；
Or, the pulp absorbing valve includes the first pulp absorbing valve (30), the second pulp absorbing valve (31), the pulp-expelling valve includes the first pulp-expelling valve
(32), the rodless cavity of the second pulp-expelling valve (33), the conveying cylinder connects pulp-absorbing pipe (1) by first pulp absorbing valve (30) and leads to
The first pulp-expelling valve (32) connection discharge pipe (2) is crossed, the rod chamber of the conveying cylinder is connected by second pulp absorbing valve (31) to be inhaled
Slurry manages (1) and connects discharge pipe (2) by the second pulp-expelling valve (33), and two actuator ports of the reversal valve (21) are separately connected
Rod chamber, the rodless cavity of the master cylinder.
9. pumping machine according to claim 8, it is characterised in that：Including control device (34) and for detecting pulp-absorbing pipe
(1) and the pressure-detecting device of discharge pipe (2) interior pressure, the control device (34) and the driving device (24), described change
It is connected to valve (21) with the pressure-detecting device, the control device (34) is used for the detection according to the pressure-detecting device
Data control the driving device (24) and the reversal valve (21) action.
10. pumping machine according to claim 9, it is characterised in that：The control device (34) includes power control cabinet ontology
(35) and display (36) and communication module (37) on power control cabinet ontology (35) is set, the display (36) is used to show
Show that equipment operating parameter, the equipment operating parameter include the pressure parameter in pulp-absorbing pipe (1) and discharge pipe (2), the communication
Module (37) is used to establish with the host computer of pumping machine and communicate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020139.7A CN108799040A (en) | 2018-09-03 | 2018-09-03 | A kind of pumping machine |
| PCT/CN2019/093914 WO2020048204A1 (en) | 2018-09-03 | 2019-06-28 | Pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020139.7A CN108799040A (en) | 2018-09-03 | 2018-09-03 | A kind of pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799040A true CN108799040A (en) | 2018-11-13 |
Family
ID=64081904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020139.7A Pending CN108799040A (en) | 2018-09-03 | 2018-09-03 | A kind of pumping machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108799040A (en) |
| WO (1) | WO2020048204A1 (en) |
Cited By (2)
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| WO2020048204A1 (en) * | 2018-09-03 | 2020-03-12 | 三一汽车制造有限公司 | Pumping machine |
| CN111622915A (en) * | 2020-06-22 | 2020-09-04 | 范凯 | Flat straight-connected concrete ultrahigh-pressure delivery pump |
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| Publication number | Publication date |
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| WO2020048204A1 (en) | 2020-03-12 |
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