CN110454352A - A kind of straight line motor drive type plunger pump - Google Patents
A kind of straight line motor drive type plunger pump Download PDFInfo
- Publication number
- CN110454352A CN110454352A CN201910797891.0A CN201910797891A CN110454352A CN 110454352 A CN110454352 A CN 110454352A CN 201910797891 A CN201910797891 A CN 201910797891A CN 110454352 A CN110454352 A CN 110454352A
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- China
- Prior art keywords
- plunger
- cylinder
- linear motor
- clack box
- valve body
- Prior art date
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- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B53/109—Valves; Arrangement of valves inlet and outlet valve forming one unit
Abstract
The invention discloses a kind of straight line motor drive type plunger pumps, by Linear motor-driven plunger pump, and by the characteristics of motion of control linear motor, carry out the characteristics of motion of control assembly, the shortcomings that overcome current plunger pump, plays the advantage of plunger pump to the maximum extent.
Description
Technical field
The present invention relates to plunger pump technique fields, and in particular to a kind of straight line motor drive type plunger pump.
Background technique
Traditional plunger pump generally passes through crank link mechanism and transports the linear reciprocation that the rotary motion of prime mover becomes plunger
It is dynamic, make that liquid is discontinuously inhaled into pumping cylinder and high pressure discharge line achievees the purpose that convey liquid.This revolution driving formula plunger
Pump has the following problems: traditional revolution driving plunger pump intermediate transfer link is more, and fretting wear is big, and system effectiveness is low；Structure
Complexity, manufacture difficulty of processing is big, and at high cost, easily worn part is more, and the probability to break down is big, and maintenance is inconvenient；Plunger speed
Degree amplitude of variation is big, and plunger pump flow oscillation is big, and discharge pressure is unstable；It is limited by conventional crankshafts connecting rods power end structure, it is difficult
To realize the job requirements of long stroke, low jig frequency, huge discharge；Structure is complicated, fretting wear is big, pressure oscillation is big, causes rapid wear
The part service life is low, and vibrating noise is serious when operating.
Summary of the invention
The purpose of the present invention overcomes the deficiencies of the prior art and provide a kind of straight line motor drive type plunger pump, passes through straight line
Motor driven plunger pump, and by the characteristics of motion of control linear motor, carry out the characteristics of motion of control assembly, to overcome at present
The shortcomings that plunger pump, plays the advantage of plunger pump to the maximum extent.
The purpose of the present invention is what is reached by following technical measures: a kind of straight line motor drive type plunger pump, including straight
Line motor and fluid end assembly, the linear motor are connect with fluid end assembly, and fluid end assembly includes plunger, clack box, upper valve
Body and lower valve body are provided with plunger hole, inlet hole and tap on the clack box, and the plunger is located in plunger hole, the upper valve
Body is seal-installed in the tap, and in the inlet hole, Linear motor-driven plunger exists for the lower valve body sealing installation
Straight reciprocating motion is done in clack box plunger hole, the linear motor is connect by connecting assembly with fluid end assembly piston.
Further, the connecting assembly includes plunger connector, support rod and mover connector, and the one of the support rod
End is connect with plunger connector, and the other end of the support rod is connect with mover connector, the other end of the plunger connector
It is connect with plunger, the other end of mover connector and the mover of linear motor connect.
Further, the linear motor is single-acting linear motor.
Further, the clack box is single cylinder combined type clack box or multi-cylinder clack box.
Further, the single cylinder Combined valve case includes two cylinder combined type clack boxes, three cylinder combined type clack boxes, the combination of four cylinders
Formula clack box, five cylinder combined type clack boxes, six cylinder combined type clack boxes and seven cylinder combined type clack boxes, each of described single cylinder combined type clack box
Plunger hole, inlet hole and tap are provided on cylinder, the plunger is located in plunger hole, and the upper valve body is seal-installed on the row
In portalling, in the lower valve body sealing installation and the inlet hole.
Further, the multi-cylinder clack box includes two cylinder valve casees, three cylinder valve casees, four cylinder valve casees, five cylinder valve casees, six cylinder valve casees
With seven cylinder valve casees, plunger hole, inlet hole and tap are provided on each cylinder of the multi-cylinder clack box, the plunger is located at plunger hole
In, the upper valve body is seal-installed in the tap, in the lower valve body sealing installation and the inlet hole.
Compared with prior art, the beneficial effects of the present invention are: solving the problems, such as traditional plunger pump, linear motor can be with
Electric energy is converted into the mechanical energy of linear motion, eliminates intermediate transfer link, fretting wear reduces, and system effectiveness is high,
Movement simple with structure, contactless, low noise, maintenance convenience, high reliablity, the service life is long, is able to satisfy long stroke, low punching
The advantages that secondary, huge discharge job requirements.
It elaborates with reference to the accompanying drawings and detailed description to the present invention.
Detailed description of the invention
Fig. 1 is fluid end assembly structure schematic diagram of the present invention；
Fig. 2 is single-acting Linear motor-driven plunger pump structural schematic diagram of the present invention；
Fig. 3 is five cylinder combined type clack box combining form structural schematic diagrams in implementation column 1 of the present invention；
Fig. 4 is five cylinder valve case combining form structural schematic diagrams in implementation column 1 of the present invention；
Fig. 5 is double acting Linear motor-driven plunger pump structural schematic diagram of the present invention；
Fig. 6 is five cylinder valve case combining form structural schematic diagrams in implementation column 2 of the present invention；
Fig. 7 is five cylinder combined type clack box combining form structural schematic diagrams in implementation column 2 of the present invention；
Fig. 8 is that single action plunger pump of the present invention drives two fluid end assembly structure schematic diagrames；
Fig. 9 is five cylinder combined type clack box combining form structural schematic diagrams in implementation column 5 of the present invention；
Figure 10 is five cylinder valve case combining form structural schematic diagrams in implementation column 6 of the present invention
Wherein, 1, single-acting linear motor, 2, plunger, 3, clack box, 31, single cylinder combined type clack box, 32, multi-cylinder clack box, 33,
Tap, 34, inlet hole, 35, plunger hole, 4, upper valve body, 5, lower valve body, 6, plunger connector, 7, support rod, 8, mover connection
Part, 9, double acting linear motor.
Specific embodiment
As shown in Fig. 1 to 10, a kind of straight line motor drive type plunger pump, including linear motor and fluid end assembly, it is described
Linear motor is single-acting linear motor 1 or double acting linear motor 9, and the linear motor is connect with fluid end assembly, fluid power
End assembly includes plunger 2, clack box 3, upper valve body 4 and lower valve body 5, and the clack box 3 is single cylinder combined type clack box 31 or multi-cylinder clack box
32.The single cylinder combined type clack box 31 includes two cylinder combined type clack boxes, three cylinder combined type clack boxes, four cylinder combined type clack boxes, five cylinders
Combined type clack box, six cylinder combined type clack boxes and seven cylinder combined type clack boxes.The multi-cylinder clack box 32 includes two cylinder valve casees, three cylinder valves
Case, four cylinder valve casees, five cylinder valve casees, six cylinder valve casees and seven cylinder valve casees.Plunger hole 35, sucking are provided on each cylinder of the clack box 3
Hole 34 and tap 33, the plunger 2 are located in plunger hole 35, and the upper valve body 4 is seal-installed in the tap 33, institute
It states in the sealing of lower valve body 5 installation and the inlet hole 34.It is past that Linear motor-driven plunger 2 does straight line in 3 plunger hole 35 of clack box
Multiple movement realizes pumpdown to realize the sucking and discharge of liquid.Structure is simple, and maintenance is convenient, with conventional crankshafts, even
Bar plunger for crosshead pump is compared, Linear motor-driven plunger pump, eliminates and the centre that rotary motion is converted into linear motion is turned
It changes planes structure, overall structure greatly simplifies, saved cost, reduced volume, keeps plunger pump maintenance more convenient.Transmission is rigid
Degree is big, directly drives, because of the flexible deformation of intermediate transmission link, fretting wear and reversed when avoiding starting, speed change and commutation
Hysteresis caused by gap substantially increases its transmission stiffness；Stroke length is unrestricted, is driven using linear motor, column
Plug stroke, which can according to need, is arranged long stroke, huge discharge, low spurt and high pressure, it can be achieved that reciprocating pump, greatly improves it
The service life of clack box, plunger, valve and sealing element；Fastly, due to no intermediate transmission link, there is no centres for high-efficient, response
The influence of the inertia and resistance of transmission mechanism, eliminates energy loss when mechanical friction, improves transmission efficiency, straight line electric
Machine direct-drive reaction speed is fast, high sensitivity, and trackability is good, and accuracy is high；The mechanical friction of component is eliminated, when moving
Noise substantially reduces, and improves the big status of existing equipment operating noise；Can more parallel connections, do not interfere with each other, more linear motor works
When making, gross thrust is equal to the sum of each motor thrust, does not interfere with each other, and is also not present more and the used time laod unbalance etc. occurs and asks
Topic, assembly flexibility ratio is big, can satisfy different operating conditions, different installation requirements.
The connection type of the linear motor and fluid end assembly can substantially be divided into following two: the mover of linear motor
It is directly connect with the plunger 2 in fluid end assembly or the mover of linear motor passes through the plunger in connecting assembly and fluid end assembly
2 connections.
The connecting assembly includes plunger connector 6, support rod 7 and mover connector 8, one end of the support rod 7 with
Plunger connector 6 connects, and the other end of the support rod 7 is connect with mover connector 8, the other end of the plunger connector 6
It is connect with plunger 2, the other end of mover connector 8 is connect with linear motor.
The single-acting linear motor 1, double acting linear motor 9, single cylinder combined type clack box 31 and multi-cylinder clack box 32 combine
Form different straight line motor drive type plunger pump implementation columns.
Implementation column 1
Straight line motor drive type plunger pump includes single-acting linear motor 1, plunger 2, multi-cylinder clack box 32, upper valve body 4, lower valve
Body 5,1 mover of single-acting linear motor are directly connected to the plunger 2, and the mover of each linear motor is operated alone one
Plunger 2, this implementation column can be combined using 2-7 linear motor, the 3 cylinder number of clack box and straight-line electric of the multi-cylinder clack box 32
Machine number is identical.
Implementation column 2
Straight line motor drive type plunger pump includes single-acting linear motor 1, plunger 2, single cylinder combined type clack box 31, upper valve body
4, lower valve body 5, the linear motor are directly connected to the plunger 2, and a plunger is operated alone in the mover of each linear motor
2, this implementation column can be combined using 2-7 single-acting linear motor 1 according to demand, the clack box of single cylinder combined type clack box 31
3 numbers are identical as 1 number of single-acting linear motor.
Implementation column 3
Straight line motor drive type plunger pump includes double acting linear motor 9, plunger 2, single cylinder combined type clack box 31, upper valve body
4, lower valve body 5, the mover left and right ends of the double acting linear motor 9 are directly connected to a plunger 2 respectively, and each double acting is straight
Plunger 2 at left and right sides of 9 driven of line motor, this implementation column can be carried out using 1-4 double acting linear motor 9 according to demand
Combination, 3 numbers of clack box of single cylinder combined type clack box 31 are several twice of double acting linear motor 9.
Implementation column 4
Straight line motor drive type plunger pump includes double acting linear motor 9, plunger 2, multi-cylinder clack box 32, upper valve body 4, lower valve
Body 5, the mover left and right ends of the double acting linear motor 9 are directly connected to a plunger 2, each double acting linear motor respectively
Plunger 2 at left and right sides of 9 drivens, this implementation column can be combined using 1-4 double acting linear motor 9 according to demand,
The number of clack box 3 of multi-cylinder clack box 32 is several twice of double acting linear motor 9.
Implementation column 5
Straight line motor drive type plunger pump includes single-acting linear motor 1, plunger 2, multi-cylinder clack box 32, upper valve body 4, lower valve
The mover of body 5, the single-acting linear motor 1 is connect by connecting assembly with the plunger 2 in fluid end assembly, and the connection is total
Plunger connector 6 in each side connects a plunger 2, mover connector 8 and single-acting in the connecting assembly
The connection of 1 mover of linear motor is moved back and forth by single-acting linear motor 1 and is drivingly connected assembly side-to-side movement, and then realized and hand over
For driving left and right sides plunger 2, this implementation column can be combined using 1-7 single-acting linear motor 1 according to demand, multi-cylinder
The number of clack box 3 of clack box 32 is several twice of single-acting linear motor 1.
Implementation column 6
Straight line motor drive type plunger pump includes single-acting linear motor 1, plunger 2, single cylinder combined type clack box 31, upper valve body
4, lower valve body 5,1 mover of single-acting linear motor are connect by connecting assembly with the plunger 2 in fluid end assembly, the company
It connects the plunger connector 6 in assembly and each side connects a plunger 2, the mover connector 8 in the connecting assembly and list
The connection of 1 mover of acting linear motor, is moved back and forth by single-acting linear motor 1 and is drivingly connected assembly side-to-side movement, Jin Ershi
Plunger 2 at left and right sides of existing driven, this implementation column can be combined using 1-7 single-acting linear motor 1 according to demand,
3 numbers of clack box of single cylinder combined type clack box 31 are several twice of double acting linear motor 9.
The linear motor includes but is not limited to: DC linear electric motor, linear AC motor, linear induction motor, straight line
Synchronous motor, linear stepping motor.
It should be understood by those skilled in the art that overall technology of the invention is not restricted to the described embodiments, above-mentioned reality
It applies and is merely illustrated the principles of the invention described in example and specification, without departing from the spirit and scope of the present invention, this
Invention will also have various changes and improvements, and these changes and improvements all fall within the protetion scope of the claimed invention.The present invention wants
Protection scope is asked to be defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of straight line motor drive type plunger pump, it is characterised in that: including linear motor and fluid end assembly, the straight-line electric
Machine is connect with fluid end assembly, and fluid end assembly includes plunger, clack box, upper valve body and lower valve body, is provided with plunger on the clack box
Hole, inlet hole and tap, the plunger are located in plunger hole, and the upper valve body is seal-installed in the tap, described
With in the inlet hole, Linear motor-driven plunger does straight reciprocating motion, institute in clack box plunger hole for lower valve body sealing installation
Linear motor is stated to connect by connecting assembly with fluid end assembly piston.
2. straight line motor drive type plunger pump according to claim 1, it is characterised in that: the connecting assembly includes plunger
One end of connector, support rod and mover connector, the support rod is connect with plunger connector, the other end of the support rod
It is connect with mover connector, the other end of the plunger connector is connect with plunger, the other end and straight-line electric of mover connector
The mover of machine connects.
3. straight line motor drive type plunger pump according to claim 1, it is characterised in that: the linear motor is single-acting
Linear motor.
4. straight line motor drive type plunger pump according to claim 1, it is characterised in that: the clack box is single cylinder combined type
Clack box or multi-cylinder clack box.
5. straight line motor drive type plunger pump according to claim 1, it is characterised in that: the single cylinder Combined valve luggage
Include two cylinder combined type clack boxes, three cylinder combined type clack boxes, four cylinder combined type clack boxes, five cylinder combined type clack boxes, six cylinder combined type clack boxes
With seven cylinder combined type clack boxes, plunger hole, inlet hole and tap, the column are provided on each cylinder of the single cylinder combined type clack box
Plug is located in plunger hole, and the upper valve body is seal-installed in the tap, the lower valve body sealing installation and the sucking
In hole.
6. straight line motor drive type plunger pump according to claim 5, it is characterised in that: the multi-cylinder clack box includes two cylinders
Clack box, three cylinder valve casees, four cylinder valve casees, five cylinder valve casees, six cylinder valve casees and seven cylinder valve casees are provided on each cylinder of the multi-cylinder clack box
Plunger hole, inlet hole and tap, the plunger are located in plunger hole, and the upper valve body is seal-installed in the tap,
In the lower valve body sealing installation and the inlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797891.0A CN110454352A (en) | 2019-08-27 | 2019-08-27 | A kind of straight line motor drive type plunger pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797891.0A CN110454352A (en) | 2019-08-27 | 2019-08-27 | A kind of straight line motor drive type plunger pump |
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| CN110454352A true CN110454352A (en) | 2019-11-15 |
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| CN201910797891.0A Pending CN110454352A (en) | 2019-08-27 | 2019-08-27 | A kind of straight line motor drive type plunger pump |
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