CN202811242U - High-pressure reciprocation pump - Google Patents
High-pressure reciprocation pump Download PDFInfo
- Publication number
- CN202811242U CN202811242U CN201220472738.4U CN201220472738U CN202811242U CN 202811242 U CN202811242 U CN 202811242U CN 201220472738 U CN201220472738 U CN 201220472738U CN 202811242 U CN202811242 U CN 202811242U
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- casing
- bent axle
- high pressure
- liquid
- plunger
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a high-pressure reciprocation pump with stable flow rate, small pulse and work reliability. The high-pressure reciprocation pump comprises a box, a crank shaft, a driving mechanism which is connected with the crank shaft and drives the crank shaft to rotate, connecting rods, a plunger, and a liquid suction and drain valve group of an integrated structure. The crank shaft is rotatably connected with the box through three sections of shaft diameters at the front, middle and rear parts of the crank shaft; one end of each of five connecting rods is rotatably connected with the crank shaft through a bearing pad; the other end of each of the five connecting rods is rotatably connected the plunger; the plunger is slidably arranged inside a cylinder liner fixed on the box; and the liquid suction and drain valve group with a liquid suction hole and a liquid drain hole is communicated with the cylinder liner.
Description
Technical field
The utility model relates to reciprocating pump, particularly the reciprocal emulsion pump of high pressure.
Background technique
Existing high pressure reciprocating pump generally all is three plunger dual-supporting radial pumps, comprises the bent axle of casing, three crank throws, is connected to drive driving mechanism, connecting rod, plunger, the liquid suction valve group of its rotation with bent axle; One end of three connecting rods is rotationally connected by bearing shell and bent axle, and the other end and plunger are rotationally connected; Plunger is slidingly arranged in the cylinder sleeve; Liquid suction valve group with liquid sucting port and liquid port communicates with cylinder sleeve; Bent axle is rotationally connected by two sections diameters of axle and the casing that is positioned at bent axle front portion, rear portion.
During use, high pressure reciprocating pump is by motoring, slow down through coupling and a pair of helical gear, drive the crankshaft rotating of three crank throws, it is reciprocating to drive plunger through connecting rod slider (crosshead) again, make working liquid body suck and discharge through suction, liquid discharging valve group, thereby make electric energy convert hydraulic energy to, the output highly pressurised liquid.
Because it only has three plungers, flow pulse is large, and mass flow discrepancy is even.In addition, its bent axle adopts dual-gripper, and the reliability of bent axle work is lower.
Summary of the invention
The purpose of this utility model provides that a kind of stability of flow, pulse are little, the high pressure reciprocating pump of reliable operation.
This high pressure reciprocating pump comprises casing, bent axle, is connected to drive driving mechanism, connecting rod, the plunger of its rotation with bent axle, the liquid suction valve group of monolithic construction; Bent axle is rotationally connected by three sections diameters of axle and the casing that is positioned at bent axle front portion, middle part, rear portion; One end of five connecting rods is rotationally connected by bearing shell and bent axle, and the other end and plunger are rotationally connected; Plunger is slidingly arranged in the cylinder sleeve that is fixed on the casing; Liquid suction valve group with liquid sucting port and liquid port communicates with cylinder sleeve.
The beneficial effects of the utility model: adopt five plunger to-and-fro motion of five connecting rods drives, thereby suck and discharge liquid by suction, liquid discharging valve group, so the emulsified liquid flow of its discharge is even, pressure stability; Simultaneously, bent axle is supported on the casing by three sections diameters of axle, and the bent axle deflection degree is less, and the reliability of work is higher.
Above-mentioned high pressure reciprocating pump, bent axle front portion, middle part, rear portion are rotationally connected by single-row centripetal cylindrical roller bearing, single-row centripetal cylindrical roller bearing, double row centripetal cylindrical roller bearing and casing respectively, and double row centripetal cylindrical roller bearing is arranged on the casing.Five cranks on the bent axle are even calibration on the plane vertical with crankshaft center line.Crankshaft front end is cantilever structure, stretch into gear-box that casing links to each other in, and be connected with input gear; With input gear meshed gears axle one end bearing on casing, the other end is bearing on the gear-box, driving mechanism comprises gear shaft and input gear.Guarantee like this coaxality of gear shaft, improved the precision of transmission.
Above-mentioned high pressure reciprocating pump, cylinder sleeve is fixed on the casing by the screw that is distributed on the cylinder sleeve periphery, to solve the play problem of cylinder sleeve.
Above-mentioned high pressure reciprocating pump, the liquid suction valve group of monolithic construction has five groups, and every group of liquid sucting valve and liquid discharging valve fit together assembling, dismounting, easy to maintenance.Five liquid sucting valves share the imbibition runner of a connection, and imbibition is unobstructed, can avoid cavitation erosion to produce.
Description of drawings
Fig. 1 is plan view of the present utility model
Fig. 2 is the plan view of Fig. 1
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to the high pressure reciprocating pump shown in Fig. 1,2, comprise the bent axle 2 of casing 1, five crank throws, five connecting rods 3, five plungers 4, liquid suction valve group (valve body of monolithic construction) 5, bent axle be lubricated oil pump (not shown), the control section of cooling.The large end of connecting rod 3 is subdivision structures, is rotationally connected by bearing shell and bent axle.The small end of connecting rod links to each other with slide block 6; Slide block 6 links to each other with plunger 4, and plunger 4 is slidingly arranged in the cylinder sleeve 7.Cylinder sleeve is fixed on the casing by three screws 8 that are distributed on the cylinder sleeve periphery.Liquid suction valve group (integrated type valve body) 5 with liquid sucting port and liquid port communicates with cylinder sleeve.Each crank throw place of bent axle and connnecting rod big end thin-walled watt cooperate.Connnecting rod big end adopts split type and insures with pin location, bolt connection, iron wire.Connecting rod small end hole adopts straight pin to be connected with slide block.Slip front is fixed in the slide body plunger by the screw thread gland, is convenient to the dismounting of plunger.The integrated type valve body improves the intensity of valve body, and imbibition is more unobstructed; The assembling of monolithic construction liquid suction valve is torn open conveniently.
Three sections axle journals at bent axle front portion, middle part, rear portion are arranged on the casing 1 by single-row centripetal cylindrical roller bearing 9, single-row centripetal cylindrical roller bearing 10, double row centripetal cylindrical roller bearing 11 respectively.
Crankshaft front end is cantilever structure, stretches in the gear-box 12 that links to each other with casing, and is connected with input helical gear 13; With input helical gear 13 meshed gears axles 14 1 end bearings on casing, the other end is bearing on the gear-box.Gear shaft and input helical gear have consisted of the driving mechanism that rotates with dynamic crankshaft.Gear-box guarantees the coaxality requirement of gear shaft two supporting holes with the excircle orientation of casing end face and gear shaft bearing.
These horizontal five plunger reciprocating pumps are driven by horizontal four utmost point permissible motors of 220kW, drive the one-level helical gear through shaft coupling and slow down, and drive crankshaft rotating, make rotatablely moving of bent axle change the straight reciprocating motion of plunger into through linkage rod slide block mechanism again.
In order to improve the intensity of bent axle, adopt three supporting crankshafts, the input end dress single-row centripetal cylindrical roller bearing of bent axle, the other end dress type double row centripetal cylindrical roller bearing, and the big disk between two, three of bent axle turns is equipped with single-row centripetal cylindrical roller bearing (2032944), thereby three-point support has improved the operational safety of bent axle.
In order to reduce the oil temperature in the crankcase, oil cooling service pipe is placed in the imbibition chamber of pump and utilizes emulsified liquid to cool off, obtained good radiating effect.
This high pressure reciprocating pump is five plunger reciprocating pumps, driven by three phase current four utmost point permissible motors, slow down through coupling and a pair of helical gear, drive five crank throw crankshaft rotating, it is reciprocating to drive plunger through connecting rod slider (crosshead) again, make working liquid body suck and discharge through suction, liquid discharging valve group, thereby make electric energy convert hydraulic energy to, the output highly pressurised liquid.The high-pressure safety valve of adjusting is equipped with in the high pressure discharge opeing outlet port of pump, thereby has guaranteed the reliability of hydraulic work system.Flow evenly, pressure stability, smooth running, pulse is little, working service is convenient.
Structural feature of the present utility model:
Be five plungers, three supporting radial pumps.
The pump structure pattern be horizontal five cylinder diameters to plunger pump, stability of flow, pulse are little.
The fluid end of pump (pump head) adopts the integrated type valve body to improve the intensity of valve body, and the runner of fluid end is so that imbibition is more unobstructed; The assembling of monolithic construction liquid suction valve is torn open conveniently; The positioning form of cylinder sleeve has thoroughly solved cylinder sleeve play problem.
The high strength ultra-high pressure safety valve.
The driving end of pump adopts the multi-support bent axle, has improved the reliability of bent axle work.
Claims (7)
1. high pressure reciprocating pump comprises casing, bent axle, is connected to drive driving mechanism, connecting rod, the plunger of its rotation with bent axle, the liquid suction valve group of monolithic construction; It is characterized in that: bent axle is rotationally connected by three sections diameters of axle and the casing that is positioned at bent axle front portion, middle part, rear portion; One end of five connecting rods is rotationally connected by bearing shell and bent axle, and the other end and plunger are rotationally connected; Plunger is slidingly arranged in the cylinder sleeve on the casing; Liquid suction valve group with liquid sucting port and liquid port communicates with cylinder sleeve.
2. high pressure reciprocating pump as claimed in claim 1, it is characterized in that: bent axle front portion, middle part, rear portion are rotationally connected by single-row centripetal cylindrical roller bearing, single-row centripetal cylindrical roller bearing, double row centripetal cylindrical roller bearing and casing respectively, and double row centripetal cylindrical roller bearing is arranged on the casing.
3. high pressure reciprocating pump as claimed in claim 1 is characterized in that: the even calibration on the plane vertical with crankshaft center line of five cranks on the described bent axle.
4. high pressure reciprocating pump as claimed in claim 2, it is characterized in that: crankshaft front end is cantilever structure, stretch into gear-box that casing links to each other in, and be connected with input gear; With input gear meshed gears axle one end bearing on casing, the other end is bearing on the gear-box, driving mechanism comprises gear shaft and input gear.
5. high pressure reciprocating pump as claimed in claim 1, it is characterized in that: cylinder sleeve is fixed on the casing by the screw that is distributed on the cylinder sleeve periphery.
6. high pressure reciprocating pump as claimed in claim 1, it is characterized in that: the liquid suction valve group of monolithic construction has five groups, and every group of liquid sucting valve and liquid discharging valve fit together.
7. high pressure reciprocating pump as claimed in claim 6 is characterized in that: the imbibition runner of five shared connections of liquid sucting valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220472738.4U CN202811242U (en) | 2012-09-17 | 2012-09-17 | High-pressure reciprocation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220472738.4U CN202811242U (en) | 2012-09-17 | 2012-09-17 | High-pressure reciprocation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811242U true CN202811242U (en) | 2013-03-20 |
Family
ID=47870127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220472738.4U Expired - Lifetime CN202811242U (en) | 2012-09-17 | 2012-09-17 | High-pressure reciprocation pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811242U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557131A (en) * | 2013-10-10 | 2014-02-05 | 浙江大学 | Multi-row-type fracturing pump |
| CN111927730A (en) * | 2020-08-07 | 2020-11-13 | 浙江飞驰机电有限公司 | High-pressure water pump |
| WO2021088321A1 (en) * | 2019-11-08 | 2021-05-14 | 陕西航天动力高科技股份有限公司 | Three-cylinder three-support crankshaft for diaphragm pump, and processing process |
| CN114001020A (en) * | 2021-10-26 | 2022-02-01 | 南京六煤机械有限公司 | Novel large-flow emulsion pump station |
| WO2022183771A1 (en) * | 2021-03-01 | 2022-09-09 | 北京天玛智控科技股份有限公司 | Plunger pump |
-
2012
- 2012-09-17 CN CN201220472738.4U patent/CN202811242U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557131A (en) * | 2013-10-10 | 2014-02-05 | 浙江大学 | Multi-row-type fracturing pump |
| WO2021088321A1 (en) * | 2019-11-08 | 2021-05-14 | 陕西航天动力高科技股份有限公司 | Three-cylinder three-support crankshaft for diaphragm pump, and processing process |
| CN111927730A (en) * | 2020-08-07 | 2020-11-13 | 浙江飞驰机电有限公司 | High-pressure water pump |
| CN111927730B (en) * | 2020-08-07 | 2022-02-01 | 浙江飞驰机电有限公司 | High-pressure water pump |
| WO2022183771A1 (en) * | 2021-03-01 | 2022-09-09 | 北京天玛智控科技股份有限公司 | Plunger pump |
| CN114001020A (en) * | 2021-10-26 | 2022-02-01 | 南京六煤机械有限公司 | Novel large-flow emulsion pump station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |