CN101696678B - Variable-stroke ratio-regulated reciprocating pump - Google Patents
Variable-stroke ratio-regulated reciprocating pump Download PDFInfo
- Publication number
- CN101696678B CN101696678B CN2009102111559A CN200910211155A CN101696678B CN 101696678 B CN101696678 B CN 101696678B CN 2009102111559 A CN2009102111559 A CN 2009102111559A CN 200910211155 A CN200910211155 A CN 200910211155A CN 101696678 B CN101696678 B CN 101696678B
- Authority
- CN
- China
- Prior art keywords
- plunger
- stroke
- cross axle
- transmission shaft
- spacing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a variable-stroke ratio-regulated reciprocating pump and mainly solves the problem that the liquid flow of the traditional injection pump cannot be regulated. The ratio-regulated reciprocating pump is characterized in that a pump body (1) is provided with more than two plungers (2) which are in parallel and independent from each other, a plunger clutch mechanism for ensuring that a cross spider (3) is clutched with the plunger (2) when the plunger (2) absorbs the liquid is arranged at one end of the plunger (2), the cross spider (3) is connected with a crankshaft through a connected rod and a plunger travel limiting mechanism for limiting the liquid absorbing stroke is arranged at the other end of the plunger (2). The variable-stroke ratio-regulated reciprocating pump has the characteristic that the liquid flow can be adjusted.
Description
Technical field:
The present invention relates to oil recovery field, oil field and annotate the ratio-regulated reciprocating pump of ternary agent required pump, especially stroke changeable.
Background technique:
In oil recovery field, oil field, for improving recovery rate large size is promoted notes ternary oil production technology, at present selected notes three element devices are that the accent amount injection pump with three different displacements is together in series respectively polymer, alkali, surface active agent and output in proportion, and being mixed, it is underground to inject again.This pump liquid flow can not be regulated, thereby causes the cost height, the equipment control difficulty, and the problem that the device maintenance cost is high is unfavorable for applying.
Summary of the invention:
Can not regulate in order to solve existing injection pump fluid flow, thereby cause the cost height, the equipment control difficulty, the problem that the device maintenance cost is high, the invention provides a kind of ratio-regulated reciprocating pump of stroke changeable, the ratio-regulated reciprocating pump of this stroke changeable has the fluid flow can regulate, and is cheap, the equipment manageability, the characteristics that the device maintenance cost is low.
Technological scheme of the present invention is: the ratio-regulated reciprocating pump of this stroke changeable comprises the pump housing, be set side by side with plunger separate more than 2 on the pump housing, cross axle and the plunger plunger clutch mechanism of clutch mutually when one end of plunger is provided with the plunger imbibition, cross axle is connected with bent axle by connecting rod, and the other end of plunger is provided with the plunger stroke position-limit mechanism of placing restrictions on the imbibition stroke.
Described plunger clutch mechanism in the such scheme includes plunger tube, the balance spring of cross axle, plunger one end, and cross-axis head places in the plunger tube, is provided with the balance spring of resilience plunger between outer stage of plunger tube and the Gland; Described plunger stroke position-limit mechanism includes the spacing cage that liquid pass hole is radially arranged, limiting stopper, feather key, transmission shaft, connect screw, adjustment seat, seal ring, adjust nut, locking nut, the dial plate handwheel, adjustment seat is connected on the pump housing, adjustment seat axially is connected with transmission shaft, the transmission shaft outer end is connected with the dial plate handwheel, there is the locking nut that is connected on the pump housing transmission shaft outer end, transmission shaft the inner is connected with the adjustment nut, adjust nut and be externally connected with spacing cage, spacing cage is externally connected with feather key, in the spacing cage left end spacing stage is arranged, place the plunger termination in the spacing cage to be connected with limiting stopper, spacing stage and plunger contacting point are provided with seal ring; Place on the cross axle in the plunger tube and be connected with the lube pistons cover, the outer two ends of lube pistons cover are provided with dust-separation and support cushion rubber, the lube pistons cover is provided with the oil suction filler with cross axle, lube pistons cover and cross axle are provided with the lubrication channel that communicates with the oil suction filler, the lubrication hole of lubrication channel in the connecting rod core introduced Lubricants on the cross axle, realizes drop lubrication.
The present invention has following beneficial effect: the ratio-regulated reciprocating pump of this stroke changeable is owing to adopt plunger stroke position-limit mechanism cross axle and plunger plunger clutch mechanism structure of clutch mutually during with the plunger imbibition of placing restrictions on the imbibition stroke at each plunger, utilize connecting rod rotatablely moving by bent axle, drive cross axle, plunger are done normal to-and-fro motion, follow the to-and-fro motion of plunger, pump is realized inhaling, discharge opeing; When flow need reduce: according to the flow geometric ratio conversion stroke L of need adjustment, rotate the dial plate handwheel, the dial plate handwheel drives spacing cage displacement L to the right by transmission shaft, the spacing stage that is connected with plunger, placed restrictions on plunger imbibition stroke, balance spring had the piston cylinder outside and had under the effect of the plunger tube of spring seat feature and Gland in inside this moment, cross axle and plunger unlatching L distance, the imbibition stroke reduces the L distance thereupon, and imbibition reduces, and the stroke of discharge opeing simultaneously also reduces L thereupon, plunger effective stroke also just reduces L, according to the flow geometric ratio conversion stroke L that need are adjusted, flow also just reduces to the degree of requirement thereupon, has reached and has realized the purpose that flow is adjusted.Realize that various media place the separate fluid end of can regulate multi cylinderpump respectively, can inject multiple medium, once finish medium and be mixed and inject, make flow more accurate, use convenient by predetermined ratio.The ratio-regulated reciprocating pump of this stroke changeable has the fluid flow can regulate thus, and is cheap, equipment manageability, the characteristics that the device maintenance cost is low.
Description of drawings:
Accompanying drawing 1 is a principle of the invention schematic representation;
Accompanying drawing 2 is single cylinder structural representations of the present invention.
The 1-pump housing among the figure, 2-plunger, 3-cross axle, the 4-plunger tube, 5-balance spring, 6-Gland, the spacing cage of 7-, 8-limiting stopper, 9-feather key, the 10-transmission shaft, 11-lube pistons cover, 12-adjustment seat, the 13-lubrication channel, 14-adjusts nut, 15-locking nut, 16-dial plate handwheel, the spacing stage of 17-.
Embodiment:
The invention will be further described below in conjunction with accompanying drawing:
Shown in accompanying drawing, the ratio-regulated reciprocating pump of this stroke changeable comprises the pump housing 1, be connected with 3 connecting rods on the pump housing 1 one end bent axles, be connected with cross axle 3 on the connection rod sphere, cross axle 3 has piston feature and lubricating function, cross axle 3 terminations are connected with lube pistons cover 11, be processed with on the lube pistons cover 11 and contain oil groove, lube pistons cover 11 is provided with the oil suction filler with cross axle 3, lube pistons cover 11 outer two ends have dust-separation to support cushion rubber, two dust-separations support between cushion rubber and form lubricating cavity, two dust-separations support between cushion rubber radially has the lubrication channel 13 that communicates with the oil suction filler on the lube pistons cover 11, cross axle 3 is provided with the lubrication channel 13 that communicates with the oil suction filler, and the lubrication hole of lubrication channel 13 in the connecting rod core introduced Lubricants on the cross axle 3, realizes drop lubrication.Lube pistons cover 11 places inside to have the piston cylinder outside to have in the plunger tube 4 of plunger 2 one ends of spring seat feature, just plunger tube 4 external end heads have annular stage, interior is tubular, outside plunger tube 4, be provided with the balance spring 5 of resilience plunger 2 between stage and the Gland 6, Gland 6 has the spring seat feature, balance spring 5 provides a determined power, cross axle 3 and the plunger 2 plunger clutch mechanism of clutch mutually when their form plunger 2 imbibitions.The plunger clutch mechanism under the effect of balance spring 5, according to flow geometric ratio conversion stroke, is determined the clutch stroke, reaches the change plunger stroke, regulates the purpose of flow.Be connected with 3 plungers 2 by packing seal is side by side separate on the pump housing 1 midfeather, plunger 2 to-and-fro motion in the pump housing 1 closed chamber, the pump housing 1 closed chamber upper end is for liquid outlet and be provided with the one-way valve of only opening when fluid, the pump housing 1 closed chamber lower end is liquid entering hole and is provided with the one-way valve of only opening when feed liquor, the pump housing 1 outer corresponding plunger 2 is connected with adjustment seat 12, adjustment seat 12 axially is connected with transmission shaft 10, transmission shaft 10 outer ends are connected with dial plate handwheel 16, there is the locking nut 15 that is connected on the pump housing 1 transmission shaft 10 outer ends, transmission shaft 10 the inners are connected with adjusts nut 14, form the screw thread transmission by transmission shaft 10 and adjustment nut 14, adjust nut 14 and be externally connected with the spacing cage 7 that liquid pass hole is radially arranged, spacing cage 7 is externally connected with feather key 9, prevent that by feather key 9 spacing cage 7 from rotating, feather key 9 is connected spacing cage 7 by screw, spacing cage 7 is adjusted outside the nut 14 by being threaded in, in spacing cage 7 left ends spacing stage 17 is arranged, place plunger 2 terminations in the spacing cage 7 to be connected with limiting stopper 8 by screw, by contacting of limiting stopper 8 and spacing stage 17, spacing purpose when realizing plunger 2 imbibitions.Spacing stage 17 is provided with seal ring with plunger 2 contacting points, by radially forming the plunger stroke position-limit mechanism by spacing cage 7, limiting stopper 8, feather key 9, transmission shaft 10, adjustment seat 12, seal ring, adjustment nut 14, locking nut 15, the dial plate handwheel 16 of liquid pass hole.And by screw thread transmission, dial plate handwheel 16, locking nut 15, adjustment seat 12, and with actuating motor, secondary meter, electronic control systems such as the signal is far passed etc. are formed operation, demonstration, control mechanism.According to stroke geometric ratio reduced discharge, show the Flow-rate adjustment state.
Working principle, as shown in Figure 1: when flow need not change: connecting rod rotatablely moved by bent axle, and drive crosshead axle 3, plunger 2 are done normal to-and-fro motion, follow the to-and-fro motion of plunger 2, and pump is realized inhaling, discharge opeing; When flow need reduce: according to the flow geometric ratio conversion stroke L of need adjustment, rotate dial plate handwheel 16, dial plate handwheel 16 drives spacing cage 7 displacement L to the right by transmission shaft 10, the limited step 17 that is connected with plunger 2, plunger 2 imbibition strokes have been placed restrictions on, this moment is under the effect of balance spring 5, crosshead axle 3 is thrown off the L distance with plunger 2, the imbibition stroke reduces the L distance thereupon, and imbibition reduces, and the stroke of discharge opeing simultaneously also reduces L thereupon, plunger 2 effective travels also just reduce L, according to the flow geometric ratio conversion stroke L that need are adjusted, flow also just reduces to the degree of requirement thereupon, has reached and has realized the purpose that flow is adjusted.
As shown in Figure 2: in multi cylinderpump embodiment, when flow need not change: the rotatablely moving of crankshaft-link rod bent axle, drive crosshead axle 3, plunger 2 is done normal to-and-fro motion, follows the to-and-fro motion of plunger 2, pump is realized inhaling, discharge opeing; When flow need reduce: according to the flow geometric ratio conversion stroke L of need adjustment, rotate dial plate handwheel 16, dial plate handwheel 16 drives the limited step 6 that spacing cage 7 connects by the screw thread rotation on the transmission shaft 10, plunger 2 imbibition strokes have been placed restrictions on, this moment is under the effect of balance spring 5, crosshead axle 3 is thrown off the L distance with plunger 2, the imbibition stroke reduces the L distance thereupon, imbibition reduces to necessary requirement, the stroke of discharge opeing simultaneously also reduces L thereupon, and plunger 2 effective travels also just reduce L, according to the flow geometric ratio conversion stroke L of need adjustment, flow also just reduces to the degree of requirement thereupon, has reached to realize the purpose that flow is adjusted.
In sum, the ratio-regulated reciprocating pump of this stroke changeable is owing to adopt said structure, therefore adopt a multi cylinderpump can realize injecting in proportion multiple different medium, change fluid flow by changing the reciprocating pump plunger stroke, realize that Flow-rate adjustment is reciprocating pump, the metering pump of purpose, broken the uncontrollable theory of reciprocating pump plunger stroke of traditional cognitive, filled the blank between conventional reciprocating pump and the metering pump, be with a wide range of applications and economic value.And solved the problem that is mixed in earlier stage and solved the later stage again and inject problem, technology is simple, energy consumption is low, and plant maintenance is convenient.And because each plunger 2 adjustable length stroke, therefore can regulate the flow of medium separately, and dial plate handwheel 16 is provided with accent amount scale, makes the accent amount more accurate, uses convenient.
Claims (2)
1. the ratio-regulated reciprocating pump of a stroke changeable, comprise the pump housing (1), it is characterized in that: be set side by side with plunger separate more than 2 (2) on the pump housing (1), cross axle (3) and plunger (2) the plunger clutch mechanism of clutch mutually when one end of plunger (2) is provided with plunger (2) imbibition, described plunger clutch mechanism includes cross axle (3), the plunger tube (4) of plunger (2) one ends, balance spring (5), cross axle (3) head places in the plunger tube (4), is provided with the balance spring (5) of resilience plunger (2) between outer stage of plunger tube (4) and the Gland (6); Cross axle (3) is connected with bent axle by connecting rod, the other end of plunger (2) is provided with the plunger stroke position-limit mechanism of placing restrictions on the imbibition stroke, described plunger stroke position-limit mechanism includes radially the spacing cage of liquid pass hole (7), limiting stopper (8), feather key (9), transmission shaft (10), adjustment seat (12), seal ring, adjust nut (14), locking nut (15), dial plate handwheel (16), adjustment seat (12) is connected on the pump housing (1), adjustment seat (12) axially is connected with transmission shaft (10), transmission shaft (10) outer end is connected with dial plate handwheel (16), there is the locking nut (15) that is connected on the pump housing (1) transmission shaft (10) outer end, transmission shaft (10) the inner is connected with adjusts nut (14), adjust nut (14) and be externally connected with spacing cage (7), spacing cage (7) is externally connected with feather key (9), in spacing cage (7) left end spacing stage (17) is arranged, place plunger (2) termination in the spacing cage (7) to be connected with limiting stopper (8), spacing stage (17) is provided with seal ring with plunger (2) contacting point.
2. according to the ratio-regulated reciprocating pump of the described stroke changeable of claim 1, it is characterized in that: place on the cross axle (3) in the plunger tube (4) and be connected with lube pistons cover (11), the outer two ends of lube pistons cover (11) are provided with dust-separation and support cushion rubber, lube pistons cover (11) is provided with the oil suction filler with cross axle (3), lube pistons cover (11) and cross axle (3) are provided with the lubrication channel (13) that communicates with the oil suction filler, cross axle (3) is gone up the lubrication hole of lubrication channel (13) in the connecting rod core and is introduced Lubricants, realizes drop lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102111559A CN101696678B (en) | 2009-11-06 | 2009-11-06 | Variable-stroke ratio-regulated reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102111559A CN101696678B (en) | 2009-11-06 | 2009-11-06 | Variable-stroke ratio-regulated reciprocating pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101696678A CN101696678A (en) | 2010-04-21 |
| CN101696678B true CN101696678B (en) | 2011-08-10 |
Family
ID=42141796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102111559A Active CN101696678B (en) | 2009-11-06 | 2009-11-06 | Variable-stroke ratio-regulated reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101696678B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545622A (en) * | 2016-02-26 | 2016-05-04 | 中石化石油工程机械有限公司第四机械厂 | Large-power long-stroke five-cylinder plunger pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834280A (en) * | 1973-02-13 | 1974-09-10 | Lucas Industries Ltd | Actuators for stroke control in hydraulic machines |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| CN201277156Y (en) * | 2008-10-24 | 2009-07-22 | 汉胜工业设备(上海)有限公司 | Flux-adjustable multi-cylinder reciprocating pump |
| CN201606202U (en) * | 2009-11-06 | 2010-10-13 | 大庆惠博普石油机械设备制造有限公司 | Variable-stroke proportional control reciprocating pump |
-
2009
- 2009-11-06 CN CN2009102111559A patent/CN101696678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834280A (en) * | 1973-02-13 | 1974-09-10 | Lucas Industries Ltd | Actuators for stroke control in hydraulic machines |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| CN201277156Y (en) * | 2008-10-24 | 2009-07-22 | 汉胜工业设备(上海)有限公司 | Flux-adjustable multi-cylinder reciprocating pump |
| CN201606202U (en) * | 2009-11-06 | 2010-10-13 | 大庆惠博普石油机械设备制造有限公司 | Variable-stroke proportional control reciprocating pump |
Non-Patent Citations (2)
| Title |
|---|
| JP昭61-215466A 1986.09.25 |
| JP特开2000-227062A 2000.08.15 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101696678A (en) | 2010-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201215073Y (en) | Hydraulic profile control and water shutoff pump | |
| US4245963A (en) | Pump | |
| CN201606202U (en) | Variable-stroke proportional control reciprocating pump | |
| CN203822591U (en) | Dosing pump with quantitatively compressed diaphragm | |
| CN102758754A (en) | Simplified hydraulic end structure of tubular diaphragm metering pump | |
| CN201100515Y (en) | Pole piston lubrication pump | |
| CN101266016A (en) | Automatic fuelling device | |
| CN101696678B (en) | Variable-stroke ratio-regulated reciprocating pump | |
| CN204663846U (en) | The fluid end of cylinder-and-piston type reciprocating pump and employing have the cylinder-and-piston type reciprocating pump of this fluid end | |
| CN104471244A (en) | Direct volume-controlling device (dvcd) for reciprocating positive-displacement pumps | |
| CN201723394U (en) | Hydraulic motive power high-pressure pump | |
| CN201757051U (en) | Reciprocating type plunger accurate variable device | |
| CN102713172A (en) | Opposed piston engine with gas exchange control by means of hydrostatically moved sliding sleeves | |
| CN203051024U (en) | Flow-adjusting injection pump | |
| CN104088777A (en) | Metering pump with quantitatively-compressed diaphragm | |
| CN2627237Y (en) | Piston type hydraulic pump | |
| CN105715523B (en) | The anti-sand setting small displacement oil well pump of self-cleaning type | |
| CN201991508U (en) | Gravity oil well down-hole continuous medicine-adding device | |
| CN203488477U (en) | Second-level synchronous hydraulic cylinder | |
| CN203476625U (en) | Inclined disc type axial plunger pump | |
| CN206929035U (en) | A kind of cylinder plunger pump of novel high-performance four | |
| CN201650212U (en) | Oil-field laminated high-pressure adjustable high-resolution water injection valve | |
| CN207430331U (en) | A kind of pair goes out rod-type continuous injecting apparatus | |
| CN107165798B (en) | Oil well dosing pump | |
| CN102808712B (en) | Linear electromagnetic driving plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |