CN201606202U - Variable-stroke proportional control reciprocating pump - Google Patents
Variable-stroke proportional control reciprocating pump Download PDFInfo
- Publication number
- CN201606202U CN201606202U CN200920279514XU CN200920279514U CN201606202U CN 201606202 U CN201606202 U CN 201606202U CN 200920279514X U CN200920279514X U CN 200920279514XU CN 200920279514 U CN200920279514 U CN 200920279514U CN 201606202 U CN201606202 U CN 201606202U
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- plunger
- stroke
- cross axle
- transmission shaft
- spacing
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Abstract
A variable-stroke proportional control reciprocating pump mainly solves the problem that existing flow injected into a pump cannot be adjusted, and is characterized in that two or more than two mutually independent plungers (2) are disposed in parallel on a pump body (1), a plunger clutch mechanism for engaging and disengaging between a cross shaft (3) and one plunger (2) during liquid suction of the plunger (2) is disposed at one end of each plunger (2), the cross shaft (3) is connected with a crankshaft through a connecting rod, a plunger stroke limit mechanism for limiting suction stroke is disposed at the other end of each plunger (2). The variable-stroke proportional control reciprocating pump has the advantage of adjustable liquid flow.
Description
Technical field:
The utility model relates to the ratio-regulated reciprocating pump that ternary agent required pump, especially stroke changeable annotated in oil recovery field, oil field.
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.
The model utility content:
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 utility model provides a kind of ratio-regulated reciprocating pump of stroke changeable, and 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.
The technical solution of the utility model 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 utlity model 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 the utility model principle schematic;
Accompanying drawing 2 is the utility model single cylinder structural representations.
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 utility model is described in further detail 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 (4)
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, cross axle (3) is connected with bent axle by connecting rod, and the other end of plunger (2) is provided with the plunger stroke position-limit mechanism of placing restrictions on the imbibition stroke.
2. according to the ratio-regulated reciprocating pump of the described stroke changeable of claim 1, it is characterized in that: described plunger clutch mechanism includes plunger tube (4), the balance spring (5) of cross axle (3), plunger (2) one ends, 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).
3. according to the ratio-regulated reciprocating pump of the described stroke changeable of claim 1, it is characterized in that: 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.
4. according to the ratio-regulated reciprocating pump of the described stroke changeable of claim 2, 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 |
|---|---|---|---|
| CN200920279514XU CN201606202U (en) | 2009-11-06 | 2009-11-06 | Variable-stroke proportional control reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920279514XU CN201606202U (en) | 2009-11-06 | 2009-11-06 | Variable-stroke proportional control reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201606202U true CN201606202U (en) | 2010-10-13 |
Family
ID=42950908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920279514XU Expired - Fee Related CN201606202U (en) | 2009-11-06 | 2009-11-06 | Variable-stroke proportional control reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201606202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696678B (en) * | 2009-11-06 | 2011-08-10 | 大庆惠博普石油机械设备制造有限公司 | Variable-stroke ratio-regulated reciprocating pump |
| CN112523728A (en) * | 2021-02-09 | 2021-03-19 | 山东鼎点环保科技有限公司 | Sleeve gas recovery device |
| CN113007056A (en) * | 2021-03-15 | 2021-06-22 | 合肥工业大学 | Variable plunger pump transmission end stroke adjusting device |
-
2009
- 2009-11-06 CN CN200920279514XU patent/CN201606202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696678B (en) * | 2009-11-06 | 2011-08-10 | 大庆惠博普石油机械设备制造有限公司 | Variable-stroke ratio-regulated reciprocating pump |
| CN112523728A (en) * | 2021-02-09 | 2021-03-19 | 山东鼎点环保科技有限公司 | Sleeve gas recovery device |
| CN113007056A (en) * | 2021-03-15 | 2021-06-22 | 合肥工业大学 | Variable plunger pump transmission end stroke adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20121106 |