CN105422408B - The conveying device and carrying method of industrial emulsion explosive - Google Patents
The conveying device and carrying method of industrial emulsion explosive Download PDFInfo
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- CN105422408B CN105422408B CN201510904300.7A CN201510904300A CN105422408B CN 105422408 B CN105422408 B CN 105422408B CN 201510904300 A CN201510904300 A CN 201510904300A CN 105422408 B CN105422408 B CN 105422408B
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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
- 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
- F04B15/023—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 supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
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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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- 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
Abstract
The conveying device and carrying method of a kind of industrial emulsion explosive, device includes two piston type delivery pumps and storage bin hopper, each piston type delivery pump includes feeding cylinder body, feed ram, piston rod and driving oil cylinder, feeding cylinder body charging aperture and discharging opening, feed ram is provided with the intercommunicating pore of arm-tie and connection rod chamber and rodless cavity, piston rod is by driving hydraulic oil cylinder driving stretching motion, piston rod is connected with plugging plate, conveying device also includes the discharging switch valve for controlling two discharging openings of piston type delivery pump to open and close, its is simple and compact for structure, it is easy to make, low manufacture cost, conveying material good stability, it is safe.Method is to drive two piston type delivery pump force feed materials and suction and precommpression material using two pressure oil-source difference fuel feeding, and two piston type delivery pumps force feed material simultaneously is first made using same pressure oil-source fuel feeding in conversion, switch discharging switch valve again, the steady switching of pulse free can be formed, conveying stability is improved.
Description
Technical field
The present invention relates to packing machinery technology, and in particular to a kind of conveying device of industrial emulsion explosive and conveying side
Method.
Background technology
As the packaging of commercial explosive is developed rapidly, the charging machine of high-speed full-automatic makes chargehand in propulsion at full speed
Sequence personnel be greatly decreased, it is possible to decrease the generation of human casualty accident.But the conveying of the charging machine requirement commercial explosive of high speed ensures
Continuously, stably, safely, the vane pump and impeller pump for using at present, can not all meet the continuous, stable, safety of charging machine will
Ask.Therefore continuous, stable, safety explosive conveying how is realized, promotes the renewal replacement of the charging machine of high-speed full-automatic original
Charging machine is to be worth research.
The content of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of that prior art is present, there is provided it is a kind of it is simple and compact for structure,
It is easy to making, low manufacture cost, conveying material good stability, the conveying device of safe industrial emulsion explosive, also provides
A kind of method of the conveying material that can improve material conveying stability.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of conveying device of industrial emulsion explosive, including two piston type delivery pumps and located at two piston type delivery pumps
The storage bin hopper of top, each piston type delivery pump includes feeding cylinder body, feed ram, piston rod and drives oil cylinder, the feeding cylinder
The rod chamber of body is provided with the charging aperture connected with storage bin hopper, and the rodless cavity of the feeding cylinder body is provided with discharging opening, and the feeding is lived
Plug is provided with the intercommunicating pore of arm-tie and connection rod chamber and rodless cavity, the axis direction of the arm-tie and feed ram in piston rod
Upper arranged for interval, one end of the piston rod is connected and by driving hydraulic oil cylinder driving to carry out flexible fortune with the expansion link of oil cylinder is driven
It is dynamic, the other end of the piston rod be connected with when expansion link stretches out motion block intercommunicating pore and promote feed ram to advance,
Depart from intercommunicating pore and the plugging plate for coordinating pulling feed ram to retreat with arm-tie during expansion link retraction campaign, the conveying device is also
Including the discharging switch valve for controlling two discharging openings of piston type delivery pump to open and close.
Above-mentioned conveying device, it is preferred that the discharging switch valve includes valve element and the valve body with valve pocket, the valve
Body is provided with the first feeding-passage, the second feeding-passage and the tapping channel for being respectively communicated with valve pocket, first feeding-passage and
Discharging opening of two feeding-passages respectively with two piston type delivery pumps is connected, and the valve element is installed in valve pocket by rotating shaft and can
Rotation switching closure the first feeding-passage or the second feeding-passage, the discharging switch valve are also included for ordering about axis of rotation
Rotary drive.
Above-mentioned conveying device, it is preferred that the rotary drive is rotary cylinder.
Above-mentioned conveying device, it is preferred that two piston type delivery pumps are mounted side by side in a frame, and the discharging switches
Valve is fixed in one end that two piston type delivery pumps are provided with discharging opening；Oil cylinder is driven to pass through connecting tube in each piston type delivery pump
It is fixed on feeding cylinder body.
Above-mentioned conveying device, it is preferred that the sealing ring coordinated with plugging plate is provided with the intercommunicating pore.
Above-mentioned conveying device, it is preferred that the conveying device also includes being driven for ordering about the hydraulic pressure system of cylinder efficient
System, the hydraulic system includes main oil pump, auxiliary oil pump and fuel tank, and each rodless cavity oil inlet and outlet and rod chamber for driving oil cylinder is passed in and out
Hydraulic fluid port is connected by reversal valve with auxiliary oil pump and fuel tank respectively, and the reversal valve has three working conditions, first job shape
State be make driving oil cylinder rodless cavity oil inlet and outlet connected with auxiliary oil pump, rod chamber oil inlet and outlet is connected with fuel tank；Second work
It is that the rodless cavity oil inlet and outlet for making driving oil cylinder is connected with auxiliary oil pump disconnection, rod chamber oil inlet and outlet with fuel tank as state；3rd
Individual working condition be make driving oil cylinder rodless cavity oil inlet and outlet connected with fuel tank, rod chamber oil inlet and outlet is connected with auxiliary oil pump；
Each rodless cavity oil inlet and outlet for driving oil cylinder is also connected by an on-off valve with main oil pump respectively.
Above-mentioned conveying device, it is preferred that the oil-out of the main oil pump and auxiliary oil pump is respectively connected with pressure-regulating valve.
Above-mentioned conveying device, it is preferred that the reversal valve is three-position four-way electromagnetic directional valve；The on-off valve is electromagnetism
Valve.
A kind of method that material is conveyed using above-mentioned conveying device, two piston type delivery pumps are driven using hydraulic system
Alternating movement simultaneously coordinates the switching of discharging switch valve to carry out conveying material, and hydraulic system has first pressure oil sources and the second pressure
Power oil sources, each piston type delivery pump include drive oil cylinder retraction campaign carry out suction process and driving oil cylinder stretch out move into
The process of row elder generation precommpression material force feed material again, wherein, the suction of each piston type delivery pump and precommpression material are by second pressure
Oil sources fuel feeding is driven, and each piston type delivery pump force feed material is driven by first pressure oil sources fuel feeding, and in two piston type conveyings
During pump replaces force feed material, first by first pressure oil sources fuel feeding order about two piston type delivery pumps difference force feed materials and
Compressed material is kept, then switches discharging switch valve.
The method of above-mentioned conveying material, it is preferred that two piston type delivery pumps are divided into first piston formula delivery pump and
Two piston type delivery pumps, first piston formula delivery pump includes the first feeding cylinder body, the first feed ram, First piston bar and first
Driving oil cylinder, second piston formula delivery pump includes that the second feeding cylinder body, the second feed ram, second piston bar and second drive oil
Cylinder, conveying material process specifically includes following steps：
（1）Sealed by the discharging opening opening of the first feeding cylinder body, by the discharging opening of the second feeding cylinder body in discharging switch valve
In the state of closing, drive first to drive oil cylinder to stretch out motion using first pressure oil sources, make the first feed ram to rodless cavity end
Portion moves force feed material, and the material in storage bin hopper is under gravity and vacuum action into the rod chamber of the first feeding cylinder body；Meanwhile,
Drive second to drive the retraction campaign of oil cylinder elder generation using second pressure oil sources, the second feed ram is moved to rod chamber end and return
Return, the plugging plate of second piston bar connection departs from the intercommunicating pore of the second feed ram, into the second feeding cylinder body rod chamber
Material enters the rodless cavity of the second feeding cylinder body by intercommunicating pore under vacuum, is stretched again after the second driving oil cylinder retraction in place
Go out motion, plugging plate blocks the intercommunicating pore of the second feed ram, and promotes the second feed ram to rodless cavity end motion compresses
Material, until the pressure of compressed material reaches the second driving oil cylinder stopping action after setting value；
（2）Before the first driving oil cylinder stretches out in place, second pressure oil sources is first set to stop driving oil cylinder fuel feeding to second,
Oil cylinder and second is driven to drive oil cylinder fuel feeding to first simultaneously using first pressure oil sources, first drives oil cylinder to keep extending action
The first feed ram is set to keep force feed material, while the second driving oil cylinder keeps making the under the oil pressure effect of first pressure oil sources
Two feed ram compressed materials stretch out state；Then, conversion discharging switch valve by the closing of the discharging opening of the first feeding cylinder body,
The discharging opening of the second feeding cylinder body is opened, in the switch valve transfer process that discharges, first pressure oil sources drives first simultaneously
Oil cylinder and the second driving oil cylinder is driven to stretch out motion, the first feed ram and the second feed ram while force feed material；
（3）After discharging switch valve conversion in place, first pressure oil sources keeps driving second to drive oil cylinder to stretch out motion, adopts
Drive first to drive the retraction campaign of oil cylinder elder generation with second pressure oil sources, the first feed ram is moved return to rod chamber end,
The plugging plate of First piston bar connection departs from the intercommunicating pore of the first feed ram, the material into the first feeding cylinder body rod chamber
Enter the rodless cavity of the first feeding cylinder body by intercommunicating pore under vacuum, fortune is stretched out again after the first driving oil cylinder retraction in place
Dynamic, plugging plate blocks the intercommunicating pore of the first feed ram, and promotes the first feed ram to rodless cavity end motion compresses material,
Until the pressure of compressed material reaches the first driving oil cylinder stopping action after setting value；
（4）Before the second driving oil cylinder stretches out in place, second pressure oil sources is first set to stop driving oil cylinder fuel feeding to first,
Oil cylinder and second is driven to drive oil cylinder fuel feeding to first simultaneously using first pressure oil sources, second drives oil cylinder to keep extending action
The second feed ram is set to keep force feed material, while the first driving oil cylinder keeps making the under the oil pressure effect of first pressure oil sources
One feed ram compressed material stretches out state；Then, conversion discharging switch valve the discharging opening of the first feeding cylinder body is opened,
The discharging opening of the second feeding cylinder body is closed, in the switch valve transfer process that discharges, first pressure oil sources drives first simultaneously
Oil cylinder and the second driving oil cylinder is driven to stretch out motion, the first feed ram and the second feed ram while force feed material；
（5）After discharging switch valve conversion in place, repeat step（1）~（4）It is circulated conveying material.
Compared with prior art, the advantage of the invention is that：The conveying device of industrial emulsion explosive of the present invention uses two sets
Piston type delivery pump iterative cycles action conveying material, takes full advantage of the stability of hydraulic system to ensure the steady of material conveying
It is qualitative, and piston type delivery pump has the security feature of low speed, low friction, the security for conveying emulsion is greatly improved,
The conveying device it is simple and compact for structure, be easy to make, low manufacture cost.The method of present invention conveying material uses a pressure
Oil sources fuel feeding drives two piston type delivery pump force feed materials, another pressure oil-source fuel feeding to drive two piston type delivery pumps to return
Resorption material and precommpression material, two pressure oil-sources are not interfere with each other, and the stability of material is conveyed beneficial to raising, further,
During two piston type delivery pump force feed materials are switched, two piston types are first ordered about using same pressure oil-source and is conveyed
Pump distinguishes force feed material and keeps compressed material, reconvert discharging switch valve, due in the transfer process of the switch valve that discharges
There is situation about opening simultaneously in two discharging openings of piston type delivery pump, two piston type delivery pumps are pressed simultaneously within the time period
Material is sent, and now two piston type delivery pumps drive force feed material by same pressure oil-source fuel feeding, make two piston types defeated
The speed sum for sending pump pressure to send material keeps constant, forms the steady switching of pulse free, and the company of material conveying is so completely secured
Continuous property and stability；Additionally, material was carried out precommpression by the method before force feed material, the viscosity because of material can be eliminated
It is empty in suction caused by big.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the conveying device of industrial emulsion explosive of the present invention.
Fig. 2 is the cross section structure diagram of the conveying device of industrial emulsion explosive of the present invention.
Fig. 3 is the hydraulic schematic diagram of hydraulic system in the present invention.
Marginal data：
1st, piston type delivery pump；101st, arm-tie；102nd, intercommunicating pore；103rd, plugging plate；104th, connecting tube；105th, sealing ring；
111st, the first feeding cylinder body；112nd, the first feed ram；113rd, First piston bar；114th, first oil cylinder is driven；121st, second send
Material cylinder body；122nd, the second feed ram；123rd, second piston bar；124th, second oil cylinder is driven；2nd, storage bin hopper；3rd, discharge switching valve
Door；31st, valve element；32nd, valve body；33rd, the first feeding-passage；34th, the second feeding-passage；35th, tapping channel；36th, rotary drive；
4th, frame；5th, main oil pump；6th, auxiliary oil pump；7th, fuel tank；8th, reversal valve；9th, on-off valve；10th, pressure-regulating valve.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the conveying device of industrial emulsion explosive of the present invention, including two piston type delivery pumps 1 and set
In two storage bin hoppers 2 of the top of piston type delivery pump 1, each piston type delivery pump 1 includes feeding cylinder body, feed ram, piston rod
With drive oil cylinder, the rod chamber of feeding cylinder body is provided with the charging aperture connected with storage bin hopper 2, and the rodless cavity of feeding cylinder body is provided with discharging
Mouthful, feed ram is provided with the intercommunicating pore 102 of arm-tie 101 and connection rod chamber and rodless cavity, and arm-tie 101 is with feed ram in work
Arranged for interval on the axis direction of stopper rod, one end of piston rod is connected and is stretched by driving hydraulic oil cylinder driving with the expansion link of oil cylinder is driven
Contracting motion, the other end of piston rod is connected with plugging plate 103, and the plugging plate 103 blocks intercommunicating pore when expansion link stretches out motion
102 and promote feed ram to advance, intercommunicating pore 102 is departed from expansion link retraction campaign and is coordinated with arm-tie 101 and pull feeding
Piston is retreated, and conveying device also includes the discharging switching of the discharging openings opening and closing for two piston type delivery pumps 1 of control
Valve 3.
In the present embodiment, discharging switch valve 3 includes valve element 31 and the valve body 32 with valve pocket, and valve body 32 is provided with and connects respectively
First feeding-passage 33 in port valve chamber, the second feeding-passage 34 and tapping channel 35, the first feeding-passage 33 and the second charging are logical
Discharging opening of the road 34 respectively with two piston type delivery pumps 1 is connected, and valve element 31 is installed in valve pocket by rotating shaft and rotatable cut
Closure the first feeding-passage 33 or the second feeding-passage 34 are changed, discharging switch valve 3 also includes the rotation for ordering about axis of rotation
Turn actuator 36, rotary drive 36 orders about rotating shaft and rotated with valve element 31, can select by the first feeding-passage 33 or the
Two feeding-passages 34 are closed, and then control two discharging openings of piston type delivery pump 1 to open and close, and realize that two piston types are defeated
Pump 1 is sent to convey the switching of material.Above-mentioned rotary drive 36 uses rotary cylinder（Pneumatic actuator）, it would however also be possible to employ motor,
The miscellaneous parts such as hydraulic motor.
In the present embodiment, two piston type delivery pumps 1 are mounted side by side in a frame 4, and discharging switch valve 3 is fixed in two
Individual piston type delivery pump 1 is provided with one end of discharging opening；Oil cylinder is driven to be fixed in by connecting tube 104 in each piston type delivery pump 1
On feeding cylinder body.
In the present embodiment, the sealing ring 105 coordinated with plugging plate 103 is provided with intercommunicating pore 102, it is possible to increase plugging plate
Sealing during 103 closure intercommunicating pore 102.
In the present embodiment, conveying device also includes being driven for ordering about the hydraulic system of cylinder efficient, as shown in figure 3, liquid
Pressure system includes main oil pump 5, auxiliary oil pump 6 and fuel tank 7, and each rodless cavity oil inlet and outlet and rod chamber oil inlet and outlet for driving oil cylinder divides
Not Tong Guo reversal valve 8 be connected with auxiliary oil pump 6 and fuel tank 7, reversal valve 8 uses three-position four-way electromagnetic directional valve, and it has three works
Make state, first job state be make driving oil cylinder rodless cavity oil inlet and outlet connected with auxiliary oil pump 6, rod chamber oil inlet and outlet
Connected with fuel tank 7；Second working condition is to make that the rodless cavity oil inlet and outlet of driving oil cylinder disconnects with auxiliary oil pump 6, rod chamber enters
Oil-out is connected with fuel tank 7；3rd working condition is that the rodless cavity oil inlet and outlet for making driving oil cylinder is connected with fuel tank 7, has bar
Chamber oil inlet and outlet is connected with auxiliary oil pump 6；Each rodless cavity oil inlet and outlet for driving oil cylinder also passes through an on-off valve 9 and main oil respectively
Pump 5 is connected, and on-off valve 9 uses magnetic valve, for oil circuit between the rodless cavity oil inlet and outlet for controlling main oil pump 5 and the dynamic oil cylinder of driving
Break-make.
In the present embodiment, the oil-out of main oil pump 5 and auxiliary oil pump 6 is respectively connected with pressure-regulating valve 10, is adjusted by pressure
Valve 10 adjusts the maximum working pressure of main oil pump 5 and auxiliary oil pump 6.
A kind of method that material is conveyed using above-mentioned conveying device, two piston type delivery pumps 1 are driven using hydraulic system
Alternating movement conveys material, wherein, the main oil pump 5 of hydraulic system is first pressure oil sources, and auxiliary oil pump 6 is second pressure oil sources,
It is first piston formula delivery pump and second piston formula delivery pump, first piston formula delivery pump bag by two 1 point of piston type delivery pumps
Include the first feeding cylinder body 111, the first feed ram 112, First piston bar 113 and first and drive oil cylinder 114, second piston formula is defeated
Sending pump includes that the second feeding cylinder body 121, the second feed ram 122, second piston bar 123 and second drive oil cylinder 124, conveys thing
Material process specifically includes following steps：
（1）The discharging opening of the first feeding cylinder body 111 is opened in discharging switch valve 3, going out the second feeding cylinder body 121
In the state of material mouth closing, the reversal valve 8 between the first driving oil cylinder 114 and auxiliary oil pump 6 is changed to middle position（Second work shape
State）, first drives the on-off valve 9 between oil cylinder 114 and main oil pump 5 to connect, and is supplied to the first driving oil cylinder 114 using main oil pump 5
Oil simultaneously drives first to drive oil cylinder 114 to stretch out motion, the first feed ram 112 is moved force feed material to rodless cavity end, stores up
Material in hopper 2 is under gravity and vacuum action into the rod chamber of the first feeding cylinder body 111；Meanwhile, second drives oil cylinder
Reversal valve 8 between 124 and auxiliary oil pump 6 is changed to right position（First job state）, second drives oil cylinder 124 and main oil pump 5
Between on-off valve 9 disconnect, drive second to drive the first retraction campaign of oil cylinder 124 using auxiliary oil pump 6, make the second feed ram 122
Return is moved to rod chamber end, the plugging plate 103 of the connection of second piston bar 123 departs from the intercommunicating pore of the second feed ram 122
102, because the discharging opening of the second feeding cylinder body 121 is closed, make in vacuum into the material in the rod chamber of the second feeding cylinder body 121
With the lower rodless cavity for entering the second feeding cylinder body 121 by intercommunicating pore 102, stretched out again after the second driving retraction in place of oil cylinder 124
Motion（Reversal valve 8 between second driving oil cylinder 124 and auxiliary oil pump 6 is changed to left position, now the reversal valve 8 is in first
Individual efforts state）, plugging plate 103 blocks the intercommunicating pore 102 of the second feed ram 122, and promotes the second feed ram 122
To rodless cavity end motion compresses material, until the second driving oil cylinder 124 stops moving after the pressure of compressed material reaches setting value
Make；
（2）Before the first driving oil cylinder 114 stretches out in place, first by changing between the second driving oil cylinder 124 and auxiliary oil pump 6
Middle position is switched to valve 8（Second working condition）, the on-off valve 9 between the second driving oil cylinder 124 and main oil pump 5 is connected,
Auxiliary oil pump 6 is set to stop driving the fuel feeding of oil cylinder 124, main oil pump 5 to drive oil cylinder 114 and second to drive oil cylinder to first simultaneously to second
124 fuel feeding, the first driving holding of oil cylinder 114 extending action makes the first feed ram 112 keep force feed material, while second drives
Oil cylinder 124 keeps make the compressed material of the second feed ram 122 to stretch out state under the oil pressure effect of main oil pump 5；Then, change
Discharging switch valve 3 is opened by the discharging opening closing of the first feeding cylinder body 111, by the discharging opening of the second feeding cylinder body 121, is being gone out
In the material transfer process of switch valve 3, main oil pump 5 drives first to drive oil cylinder 114 and second to drive oil cylinder 124 to stretch out fortune simultaneously
Dynamic, the first feed ram 112 and the second feed ram 122 are while force feed material；
（3）After discharging switch valve 3 is changed in place, the on-off valve 9 between the first driving oil cylinder 114 and main oil pump 5 is broken
Open, the reversal valve 8 between the first driving oil cylinder 114 and auxiliary oil pump 6 is changed to left position（3rd working condition）, main oil pump 5 protects
Holding driving second drives oil cylinder 124 to stretch out motion, and auxiliary oil pump 6 drives first to drive the first retraction campaign of oil cylinder 114, makes the first feeding
Piston 112 moves return to rod chamber end, and the plugging plate 103 of the connection of First piston bar 113 departs from the first feed ram 112
Intercommunicating pore 102, because the discharging opening of the first feeding cylinder body 111 is closed, exists into the material in the rod chamber of the first feeding cylinder body 111
Enter the rodless cavity of the first feeding cylinder body 111 under vacuum action by intercommunicating pore 102, after first drives the retraction in place of oil cylinder 114
Motion is stretched out again（Reversal valve 8 between first driving oil cylinder 114 and auxiliary oil pump 6 is changed to left position, now at the reversal valve 8
In first job state）, plugging plate 103 blocks the intercommunicating pore 102 of the first feed ram 112, and promotes the first feed ram
112 to rodless cavity end motion compresses material, until the first driving oil cylinder 114 stops after the pressure of compressed material reaches setting value
Action；
（4）Before the second driving oil cylinder 124 stretches out in place, first by changing between the first driving oil cylinder 114 and auxiliary oil pump 6
Middle position is switched to valve 8（Second working condition）, the on-off valve 9 between the first driving oil cylinder 114 and main oil pump 5 is connected,
Make auxiliary oil pump 6 stop driving the fuel feeding of oil cylinder 114 to first, drive oil cylinder 114 and second to drive to first simultaneously using main oil pump 5
The fuel feeding of oil cylinder 124, the second driving holding of oil cylinder 124 extending action makes the second feed ram 122 keep force feed material, while first
Oil cylinder 114 is driven to keep make the compressed material of the first feed ram 112 to stretch out state under the oil pressure effect of main oil pump 5；Then,
The discharging opening of the first feeding cylinder body 111 is opened, closes the discharging opening of the second feeding cylinder body 121 by conversion discharging switch valve 3,
In the transfer process of switch valve 3 that discharges, main oil pump 5 drives first to drive oil cylinder 114 and second to drive oil cylinder 124 to stretch out simultaneously
Motion, the first feed ram 112 and the second feed ram 122 are while force feed material；
（5）After discharging switch valve 3 is changed in place, repeat step（1）~（4）It is circulated conveying material.
In the method for the conveying material, main oil pump 5 provides power when material is conveyed, and auxiliary oil pump 6 provides suction and material
The power of precompressed, by reversal valve 8 and the interoperation of on-off valve 9, make two piston type delivery pumps 1 within the time of switching all
By the fuel feeding of main oil pump 5, do not disturbed by auxiliary oil pump 6, in suction and precompressed by the fuel feeding of auxiliary oil pump 6, it is to avoid interference main oil pump 5 is pressed
Send material, two pressure oil-sources not to interfere with each other, beneficial to the stability for improving conveying material, further, switch two pistons
During the force feed material of formula delivery pump 1, two difference force feed things of piston type delivery pump 1 are first ordered about using same pressure oil-source
Material and holding compressed material, reconvert discharging switch valve 3, due to two piston types in the transfer process of the switch valve 3 that discharges
There is situation about opening simultaneously in the discharging opening of delivery pump 1, two piston type delivery pumps 1 force feed material simultaneously within the time period,
And now two piston type delivery pumps 1 drive force feed material by same pressure oil-source fuel feeding, press two piston type delivery pumps 1
Send material speed sum keep it is constant, formed pulse free steady switching, be so completely secured material conveying continuity and
Stability；Additionally, material was carried out precommpression by the method before force feed material, can eliminate and be led because the viscosity of material is big
It is empty in the suction of cause.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, the improvement and change resulting in the case where the technology of the present invention concept thereof is not departed from
Change and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of conveying device of industrial emulsion explosive, it is characterised in that：Including two piston type delivery pumps（1）With located at two
Piston type delivery pump（1）The storage bin hopper of top（2）, each piston type delivery pump（1）Including feeding cylinder body, feed ram, piston rod
With drive oil cylinder, the rod chamber of the feeding cylinder body is provided with and storage bin hopper（2）The charging aperture of connection, the feeding cylinder body without bar
Chamber is provided with discharging opening, and the feed ram is provided with arm-tie（101）And the intercommunicating pore of connection rod chamber and rodless cavity（102）, institute
State arm-tie（101）With feed ram on the axis direction of piston rod arranged for interval, one end of the piston rod with drive oil cylinder
Expansion link connection and by driving hydraulic oil cylinder driving to carry out stretching motion, the other end of the piston rod is connected with to be stretched in expansion link
Go out and block intercommunicating pore when moving（102）And promote feed ram to advance, depart from intercommunicating pore in expansion link retraction campaign（102）And
With arm-tie（101）Coordinate the plugging plate for pulling feed ram to retreat（103）, the conveying device is also including for controlling two work
Plug delivery pump（1）Discharging opening open and closing discharging switch valve（3）.
2. conveying device according to claim 1, it is characterised in that：The discharging switch valve（3）Including valve element（31）
With the valve body with valve pocket（32）, the valve body（32）It is provided with the first feeding-passage for being respectively communicated with valve pocket（33）, second charging
Passage（34）And tapping channel（35）, first feeding-passage（33）With the second feeding-passage（34）Respectively with two piston types
Delivery pump（1）Discharging opening connection, the valve element（31）It is installed in valve pocket by rotating shaft and rotatable switching closure first is entered
Material passage（33）Or second feeding-passage（34）, the discharging switch valve（3）Also include the rotation for ordering about axis of rotation
Actuator（36）.
3. conveying device according to claim 2, it is characterised in that：The rotary drive（36）It is rotary cylinder.
4. conveying device according to claim 1, it is characterised in that：Two piston type delivery pumps（1）It is mounted side by side in one
Frame（4）On, the discharging switch valve（3）It is fixed in two piston type delivery pumps（1）It is provided with one end of discharging opening；Each piston
Formula delivery pump（1）Middle driving oil cylinder passes through connecting tube（104）It is fixed on feeding cylinder body.
5. conveying device according to claim 1, it is characterised in that：The intercommunicating pore（102）Place is provided with and plugging plate
（103）The sealing ring of cooperation（105）.
6. conveying device according to claim 1, it is characterised in that：The conveying device is also included for ordering about driving oil
The hydraulic system of cylinder working, the hydraulic system includes main oil pump（5）, auxiliary oil pump（6）And fuel tank（7）, the nothing of each driving oil cylinder
Rod cavity oil inlet and outlet and rod chamber oil inlet and outlet pass through reversal valve respectively（8）With auxiliary oil pump（6）And fuel tank（7）It is connected, it is described to change
To valve（8）With three working conditions, first job state is to make the rodless cavity oil inlet and outlet of driving oil cylinder and auxiliary oil pump（6）
Connection, rod chamber oil inlet and outlet and fuel tank（7）Connection；Second working condition be make the rodless cavity oil inlet and outlet of driving oil cylinder with
Auxiliary oil pump（6）Disconnection, rod chamber oil inlet and outlet and fuel tank（7）Connection；3rd working condition is the rodless cavity for making driving oil cylinder
Oil inlet and outlet and fuel tank（7）Connection, rod chamber oil inlet and outlet and auxiliary oil pump（6）Connection；Each rodless cavity for driving oil cylinder enters fuel-displaced
Mouth also passes through an on-off valve respectively（9）With main oil pump（5）It is connected.
7. conveying device according to claim 6, it is characterised in that：The main oil pump（5）And auxiliary oil pump（6）Oil-out
It is respectively connected with pressure-regulating valve（10）.
8. conveying device according to claim 6, it is characterised in that：The reversal valve（8）It is 3-position 4-way electromagnetic switch
Valve；The on-off valve（9）It is magnetic valve.
9. the method that the conveying device described in a kind of use claim 1 conveys material, it is characterised in that：Driven using hydraulic system
Move two piston type delivery pumps（1）Alternating movement simultaneously coordinates discharging switch valve（3）Switching carry out conveying material, hydraulic system
With first pressure oil sources and second pressure oil sources, each piston type delivery pump（1）Including driving oil cylinder retraction campaign to carry out suction
Process and drive oil cylinder to stretch out motion to carry out the process of first precommpression material force feed material again, wherein, each piston type conveying
Pump（1）Suction and precommpression material are driven by second pressure oil sources fuel feeding, each piston type delivery pump（1）Force feed material is by the first pressure
Power oil sources fuel feeding drives, and during two piston type delivery pumps replace force feed material, first by first pressure oil sources fuel feeding
Order about two piston type delivery pumps（1）Difference force feed material and holding compressed material, then switch discharging switch valve（3）.
10. method according to claim 9, it is characterised in that：By two piston type delivery pumps（1）It is divided into first piston formula
Delivery pump and second piston formula delivery pump, first piston formula delivery pump include the first feeding cylinder body（111）, the first feed ram
（112）, First piston bar（113）Oil cylinder is driven with first（114）, second piston formula delivery pump include the second feeding cylinder body
（121）, the second feed ram（122）, second piston bar（123）Oil cylinder is driven with second（124）, convey material process and specifically wrap
Include following steps：
（1）In discharging switch valve（3）By the first feeding cylinder body（111）Discharging opening open, by the second feeding cylinder body（121）'s
In the state of discharging opening closing, first is driven to drive oil cylinder using first pressure oil sources（114）Motion is stretched out, the first feeding is lived
Plug（112）Force feed material, storage bin hopper are moved to rodless cavity end（2）In material given into first under gravity and vacuum action
Material cylinder body（111）Rod chamber；Meanwhile, drive second to drive oil cylinder using second pressure oil sources（124）First retraction campaign, makes
Two feed rams（122）Return, second piston bar are moved to rod chamber end（123）The plugging plate of connection（103）Depart from second
Feed ram（122）Intercommunicating pore（102）, into the second feeding cylinder body（121）Material in rod chamber leads under vacuum
Cross intercommunicating pore（102）Into the second feeding cylinder body（121）Rodless cavity, second drive oil cylinder（124）Stretched out again after retraction in place
Motion, plugging plate（103）Block the second feed ram（122）Intercommunicating pore（102）, and promote the second feed ram（122）To
Rodless cavity end motion compresses material, until the pressure of compressed material reaches the second driving oil cylinder after setting value（124）Stop dynamic
Make；
（2）Oil cylinder is driven first（114）Before stretching out in place, second pressure oil sources is first set to stop driving oil cylinder to second
（124）Fuel feeding, oil cylinder is driven using first pressure oil sources to first simultaneously（114）Oil cylinder is driven with second（124）Fuel feeding, first
Drive oil cylinder（114）Keeping extending action makes the first feed ram（112）Force feed material is kept, while second drives oil cylinder
（124）Keep making the second feed ram under the oil pressure effect of first pressure oil sources（122）Compressed material stretches out state；So
Afterwards, conversion discharging switch valve（3）By the first feeding cylinder body（111）Discharging opening closing, by the second feeding cylinder body（121）Go out
Material mouth is opened, in discharging switch valve（3）In transfer process, first pressure oil sources drives first to drive oil cylinder simultaneously（114）With
Second drives oil cylinder（124）Stretch out motion, the first feed ram（112）With the second feed ram（122）While force feed material；
（3）Discharging switch valve（3）After conversion in place, first pressure oil sources keeps driving second to drive oil cylinder（124）Stretch out fortune
It is dynamic, drive first to drive oil cylinder using second pressure oil sources（114）First retraction campaign, makes the first feed ram（112）To there is bar
The motion of chamber end is returned, First piston bar（113）The plugging plate of connection（103）Depart from the first feed ram（112）Intercommunicating pore
（102）, into the first feeding cylinder body（111）Material in rod chamber passes through intercommunicating pore under vacuum（102）Into first
Feeding cylinder body（111）Rodless cavity, first drive oil cylinder（114）Motion, plugging plate are stretched out after retraction in place again（103）Closure the
One feed ram（112）Intercommunicating pore（102）, and promote the first feed ram（112）To rodless cavity end motion compresses material,
Until the pressure of compressed material reaches the first driving oil cylinder after setting value（114）Stopping is acted；
（4）Oil cylinder is driven second（124）Before stretching out in place, second pressure oil sources is first set to stop driving oil cylinder to first
（114）Fuel feeding, oil cylinder is driven using first pressure oil sources to first simultaneously（114）Oil cylinder is driven with second（124）Fuel feeding, second
Drive oil cylinder（124）Keeping extending action makes the second feed ram（122）Force feed material is kept, while first drives oil cylinder
（114）Keep making the first feed ram under the oil pressure effect of first pressure oil sources（112）Compressed material stretches out state；So
Afterwards, conversion discharging switch valve（3）By the first feeding cylinder body（111）Discharging opening open, by the second feeding cylinder body（121）Go out
Material mouth is closed, in discharging switch valve（3）In transfer process, first pressure oil sources drives first to drive oil cylinder simultaneously（114）With
Second drives oil cylinder（124）Stretch out motion, the first feed ram（112）With the second feed ram（122）While force feed material；
（5）Discharging switch valve（3）After conversion in place, repeat step（1）~（4）It is circulated conveying material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904300.7A CN105422408B (en) | 2015-12-09 | 2015-12-09 | The conveying device and carrying method of industrial emulsion explosive |
| PCT/CN2016/099553 WO2017097005A1 (en) | 2015-12-09 | 2016-09-21 | Device and method for transferring industrial emulsion explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904300.7A CN105422408B (en) | 2015-12-09 | 2015-12-09 | The conveying device and carrying method of industrial emulsion explosive |
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| CN105422408A CN105422408A (en) | 2016-03-23 |
| CN105422408B true CN105422408B (en) | 2017-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017097005A1 (en) * | 2015-12-09 | 2017-06-15 | 湖南金能自动化设备有限公司 | Device and method for transferring industrial emulsion explosive |
| CN105947684A (en) * | 2016-06-12 | 2016-09-21 | 天津市实达电力设备有限公司 | Structurally improved efficient dual continuous delivery pump |
| IT201700045807A1 (en) * | 2017-04-28 | 2017-07-28 | Hero Europe S R L | Device, dosage system for powdered, liquid, pasty or creamy products and dispensing machine comprising this device |
| CN108060672A (en) * | 2017-12-14 | 2018-05-22 | 中交第二公路勘察设计研究院有限公司 | A kind of pumping bentonitic method and device of particle |
| CN108953089A (en) * | 2018-08-02 | 2018-12-07 | 日昌升集团有限公司 | A kind of high-pressure slurry drug delivery pump system and method |
| CN114439270B (en) * | 2020-10-30 | 2023-10-10 | 安徽工业大学 | Multi-angle dismantling robot |
| CN112879261A (en) * | 2021-03-01 | 2021-06-01 | 胡兵 | Concrete pump with ultrahigh lift |
| CN113856553A (en) * | 2021-06-30 | 2021-12-31 | 沪东中华造船(集团)有限公司 | Feeding device with adjustable proportion |
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