CN104675652A - High-efficiency and energy-saving reciprocating pump - Google Patents
High-efficiency and energy-saving reciprocating pump Download PDFInfo
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- CN104675652A CN104675652A CN201510086867.8A CN201510086867A CN104675652A CN 104675652 A CN104675652 A CN 104675652A CN 201510086867 A CN201510086867 A CN 201510086867A CN 104675652 A CN104675652 A CN 104675652A
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- plunger
- valve chamber
- crankcase
- water
- reciprocating pump
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Abstract
The invention provides a high-efficiency and energy-saving reciprocating pump which comprises a crankcase and a plunger compartment; a crankshaft is connected with a connecting rod through a crank; the connecting rod is connected with a guiding pull rod; the guiding pull rod penetrates through the crankcase and is connected with a plunger in the plunger compartment; a plunger seal for segmenting the plunger compartment into two independent working cavities is arranged in the plunger compartment; a water inlet valve chamber and a water outlet valve chamber are respectively arranged on two sides of the plunger compartment; the plunger is driven by a crank connecting rod in the crankcase to do reciprocating motion; a water inlet valve and a water outlet valve are respectively arranged in cavities at two ends of the plunger of the plunger compartment; the plunger absorbs water and drains water during advancing and retracting. Compared with the traditional single-acting reciprocating pump and a dual-cylinder and double-action reciprocating pump, the high-efficiency and energy-saving reciprocating pump has the advantages of high flow, small size, light weight, small occupied area and the like; each cylinder independently corrects dynamic balance and is stable in operation and small in unit vibration; due to the adoption of a three-cylinder, five-cylinder or seven-cylinder double-action working mode, water outlet pulsation is very small; the efficiency is high and energy consumption is low; by adopting the centralized valve chamber design, wearing parts are fewer, and maintenance times are fewer and long in intervals, and the service life is long.
Description
Technical field
The present invention relates to pump technology field, particularly relate to a kind of reciprocating pump.
Background technique
Current most of mine drainage is all adopt Centrifugal water pump, and centrifugal pump efficiency when high-lift is lower, and energy consumption is higher, is not suitable with power conservation requirement.Reciprocating pump has higher efficiency when high-lift, replaces centrifugal pump and can reach more satisfactory energy-saving effect when high-lift.But the reciprocating pump sold at present mostly with drilling mud pump for source design, comparatively greatly, heavier-weight, due to the restriction in mine well head space and space, down-hole, this reciprocating pump is also not suitable with the requirement of drainage underground to general volume.Down-hole draining is badly in need of that a kind of volume is little, lightweight, large discharge, high-lift, energy-efficient reciprocating drainage pump.
Summary of the invention
In order to overcome the problems referred to above that conventional reciprocating pump exists, the invention provides that a kind of volume is little, lightweight, large discharge, the energy-efficient reciprocating pump that high-lift, efficiency is high, energy consumption is low.
The technological scheme that the present invention is adopted for achieving the above object is: a kind of energy-efficient reciprocating pump, comprise crankcase 1 and plunger compartment 2, bent axle 11 in crankcase 1 connects power input shaft 3 by gear train, bent axle 11 connects connecting rod 14 by crank 13, connecting rod 14 connects guide draw bar 18, bent axle 11 is supported by main journal 12, crank 13 drivening rod 14 and guide draw bar 18 do straight reciprocating motion, guide draw bar 18 is connected with the plunger 21 in plunger compartment 2 through crankcase 1, the plunger seal 23 plunger compartment 2 being divided into two chambeies that work alone is provided with in plunger compartment 2, both sides, plunger compartment about 2 are respectively equipped with into water valve chamber 29 and water outlet valve chamber 25, water inlet valve chamber 29 and water outlet valve chamber 25 are connected respectively to intake pipe 32 and outlet pipe 24, inlet valve is provided with in water inlet valve chamber 29, outlet valve is provided with in water outlet valve chamber 25, front side inlet valve 28 and rear side inlet valve 30 are equipped with in the two ends being positioned at plunger 21 in water inlet valve chamber 29, front side outlet valve 26 and rear side outlet valve 22 are equipped with in the two ends being positioned at plunger 21 in water outlet valve chamber 25, plunger 21 all completes water suction and draining reciprocating moving forward and backward.
Described connecting rod 14 connects guide draw bar 18 by guide draw bar crosshead 15, and crank 13 drivening rod 14, guide draw bar crosshead 15 do straight reciprocating motion in pilot sleeve 17.
Described guide draw bar 18 is provided with crankcase tie-rod sealing 17 in crankcase 1 side, and guide draw bar 18 is provided with plunger compartment's tie-rod sealing 19 in side, plunger compartment 2.
Isolation ward is provided with between described crankcase 1 and plunger compartment 2.
Described gear train comprises gear train small gear 9 and gear train gearwheel 10, and gear train small gear 9 and gear train gearwheel 10 are large speed ratio helical gear.
Energy-efficient reciprocating pump of the present invention, adopt 3 cylinders, 5 cylinders or 7 cylinder double-action working methods, the power input shaft direct connection of motor and pump, compared with traditional single-acting reciprocating pump and double cylinder double acting reciprocating pump, have the advantages such as flow is large, volume is little, lightweight, floor space is little, the place being especially applicable to narrow space uses; Every cylinder all independently corrects dynamic balancing, operates steadily, unit vibration is little, vibrates large problem when solving the intrinsic work of the reciprocating pump of other form; Adopting 3 cylinders, 5 cylinders or 7 cylinder double-action working methods to use water vein moves minimum, solves the disadvantages such as other reciprocating pump water outlet pulsation is large; Efficiency is high, and energy consumption is low; Concentrate valve chamber design, make easily damaged parts easy to maintenance; Few easy workout part, the few interval of maintenance frequency is long, long service life.
Accompanying drawing explanation
Fig. 1 is the energy-efficient reciprocating pump external structure of the embodiment of the present invention three cylinder.
Fig. 2 is that the energy-efficient reciprocating pump A of Fig. 1 embodiment three cylinder is to sectional structure chart.
Fig. 3 is that the energy-efficient reciprocating pump B of Fig. 1 embodiment three cylinder is to sectional structure chart.
In figure: 1, crankcase, 2, plunger compartment, 3, power enters axle, 4, leg, 5, hoisting ring, 6, crankcase oiling peep hole, 7, gear-box oiling peep hole, 8, oil level form, 9, gear train small gear, 10, gear train gearwheel, 11, bent axle, 12, main journal, 13, crank, 14, connecting rod, 15, guide draw bar crosshead, 16, pilot sleeve, 17, crank box tie-rod sealing, 18, guide draw bar, 19, plunger compartment's tie-rod sealing, 21, plunger, 22, rear side outlet valve, 23, plunger seal, 24, outlet pipe, 25, water outlet valve chamber, 26, front side outlet valve, 27, plunger chamber cap, 28, front side inlet valve, 29, water inlet valve chamber, 30, rear side inlet valve, 31, water inlet valve chamber end cap, 32, intake pipe.
Embodiment
Energy-efficient reciprocating pump of the present invention, be made up of crankcase 1 and plunger compartment 2, in crankcase 1, train of reduction gears is set, line shaft 3 and prime mover direct connection, crankcase is built with crank 13 and connecting rod 14 and guide draw bar 18, guide draw bar 18 is connected with the plunger 21 in plunger compartment 2 through crankcase 1, and pull bar 14 is all provided with black box in crankcase 1 side and side, plunger compartment 2, and is provided with isolation ward between crankcase 1 and plunger compartment 2.Both sides, plunger compartment 2 are respectively equipped with into water valve chamber and water outlet valve chamber, and be connected to water-in and water-out pipeline, inlet valve indoor are provided with inlet valve, outlet valve indoor are provided with outlet valve, at the two ends of plunger 21, inlet valve and outlet valve are all housed, plunger 21 moves forward and backward and can complete water suction and draining when reciprocating, and crank each plunger that rotates a circle completes water suction and each twice of draining.
Working principle of the present invention is: power is passed to bent axle 11 through gear train by power input shaft 3 under the drive of prime mover, bent axle 11 drivening rod 14, guide draw bar crosshead 16 change rotating power into reciprocating power, and guide draw bar 18 drives plunger 21 reciprocating.During plunger advancement, under hydraulic pressure effect, the water that inlet valve closedown outlet valve on front side of plunger is opened on front side of by plunger is discharged, outlet pipe is entered through water outlet valve chamber, under pressure, the outlet valve on rear side of plunger is closed, under suction function, inlet valve on rear side of plunger is opened, and the water in intake pipe enters on rear side of plunger through water inlet valve chamber; When plunger retreats, under hydraulic pressure effect, the water that inlet valve closedown outlet valve on rear side of plunger is opened on rear side of by plunger is discharged, outlet pipe is entered through water outlet valve chamber, under pressure, the outlet valve on front side of plunger is closed, under suction function, inlet valve on front side of plunger is opened, and the water in intake pipe enters on front side of plunger through water inlet valve chamber.Water, under the driving of prime mover, constantly sucks from intake pipe and then delivers to outlet pipe discharge by plunger.
Reciprocating pump of the present invention can be three plungers, five plungers and seven plungers three kinds, following examples are for three plungers (three cylinders) reciprocating pump: reciprocating pump external structure as shown in Figure 1, be made up of crankcase (power end) 1 and plunger compartment (waterpower end) 2, power passes to this reciprocating pump by input shaft 3, reciprocating pump is fixed on the base shared with motor by leg 4, and body is provided with hoisting ring 5, crankcase refuels peep hole 6, gear-box refuels peep hole 7 and oil level form 8.
Reciprocating pump internal structure of the present invention as shown in Figures 2 and 3, comprise crankcase 1 and plunger compartment 2, bent axle 11 in crankcase 1 connects power input shaft 3 by gear train, bent axle 11 connects connecting rod 14 by crank 13, connecting rod 14 connects guide draw bar 18 by guide draw bar crosshead 15, and crank 13 drivening rod 14, guide draw bar crosshead 15 do straight reciprocating motion in pilot sleeve 17.Bent axle 11 is supported by main journal 12, bent axle 11 has many main journal 12 supporting structures of employing, four supports main shaft necks are had for three plunger Double-action reciprocating formula water pumps, six supports main shaft necks are had for five plunger Double-action reciprocating formula water pumps, eight supports main shaft necks are had for seven plunger Double-action reciprocating formula water pumps, the full supporting structure of main journal is conducive to reducing the rigidity requirement to bent axle, reduces bent axle weight and volume.Connecting rod 13 microcephaly to be connected with guide draw bar 18 drawhead composition connecting rod by pin, and crank 13 is made circumference and rotated, thus drives guide draw bar 18 reciprocating.Guide draw bar 18 is connected with the plunger 21 in plunger compartment 2 through crankcase 1, isolation ward is provided with between crankcase 1 and plunger compartment 2, guide draw bar 18 is provided with crankcase tie-rod sealing 17 in crankcase 1 side, and guide draw bar 18 is all provided with plunger compartment's tie-rod sealing 19 in side, plunger compartment 2.The plunger seal 23 plunger compartment 2 being divided into two chambeies that work alone is provided with in plunger compartment 2, both sides, plunger compartment 2 are respectively equipped with into water valve chamber 29 and water outlet valve chamber 25, water inlet valve chamber 29 and water outlet valve chamber 25 are connected respectively to intake pipe 32 and outlet pipe 24, inlet valve is provided with in water inlet valve chamber 29, outlet valve is provided with in water outlet valve chamber 25, front side inlet valve 28 and rear side inlet valve 30 are equipped with in the two ends being positioned at plunger 21 in water inlet valve chamber 29, front side outlet valve 26 and rear side outlet valve 22 are equipped with in the two ends being positioned at plunger 21 in water outlet valve chamber 25, inlet valve and outlet valve are arranged in a water inlet valve chamber 29 and water outlet valve chamber 25 respectively, valve body is screwed in plunger compartment 2, water inlet valve chamber 29 is provided with into water valve chamber side cover 31(service ports), easy to maintenance.Plunger 21 all completes water suction and draining reciprocating moving forward and backward.Gear train small gear 9 and gear train gearwheel 10, gear train small gear 9 and gear train gearwheel 10 are large speed ratio helical gear.
Its working procedure is: power is passed to bent axle 11 through gear train small gear 9 gearwheel 10 by power input shaft 3 under the drive of prime mover, bent axle is supported by four main journals 12, crank 13 drivening rod 14, guide draw bar crosshead 15, guide draw bar crosshead 15 does straight reciprocating motion in pilot sleeve 16, change rotating power into reciprocating power, guide draw bar 18 drives plunger 21 reciprocating in plunger compartment 2, sealing 23 is provided with in plunger compartment, before plunger compartment is separated into, latter two is active chamber independently, during plunger advancement, under hydraulic pressure effect, on front side of plunger, the inlet valve 28 of active chamber is closed, outlet valve 26 is opened, the water of active chamber on front side of plunger is discharged, outlet pipe 24 is entered through water outlet valve chamber 26, under pressure, on rear side of plunger, the outlet valve 22 of active chamber is closed, under suction function, on rear side of plunger, the inlet valve 30 of active chamber is opened, water in intake pipe 32 enters active chamber on rear side of plunger through water inlet valve chamber 29, when plunger 21 retreats, under hydraulic pressure effect, on rear side of plunger, the rear side inlet valve 30 of active chamber is closed, water outlet, rear side outlet valve 22 is opened, the water of active chamber on rear side of plunger 21 is discharged, enters outlet pipe 24 through water outlet valve chamber 25, under pressure, on front side of plunger, the front side outlet valve 26 of active chamber is closed, under suction function, on front side of plunger, the front side inlet valve 28 of active chamber is opened, and the water in intake pipe 32 enters active chamber on front side of plunger through water inlet valve chamber 29.Water, under the driving of prime mover, constantly sucks from intake pipe 32 by plunger, then delivers to outlet pipe 24 and discharge.Plunger 21 all absorbs water and draining when moving forward and backward, crank each plunger that rotates a circle completes water suction and each twice of draining, increase the flow of pump, water outlet pulsation is little, and reduce the volume and weight of pump, mechanical friction is consistent with single-acting, namely to compare single action plunger pump, add nearly one times of flow when not increasing frictional work, significantly improve efficiency, energy-saving effect is more outstanding.
The present invention is described by embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various change or equivalence replacement to these characteristic sum embodiment.In addition, under the teachings of the present invention, can modify to adapt to concrete situation and material to these characteristic sum embodiment and can not the spirit and scope of the present invention be departed from.Therefore, the present invention is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into belongs to protection scope of the present invention.
Claims (5)
1. an energy-efficient reciprocating pump, it is characterized in that: comprise crankcase (1) and plunger compartment (2), bent axle (11) in crankcase (1) connects power input shaft (3) by gear train, bent axle (11) connects connecting rod (14) by crank (13), connecting rod (14) connects guide draw bar (18), bent axle (11) is supported by main journal (12), crank (13) drivening rod (14) and guide draw bar (18) do straight reciprocating motion, guide draw bar (18) is connected with the plunger (21) in plunger compartment (2) through crankcase (1), the plunger seal (23) plunger compartment (2) being divided into two chambeies that work alone is provided with in plunger compartment (2), plunger compartment (2) both sides are respectively equipped with into water valve chamber (29) and water outlet valve chamber (25), water inlet valve chamber (29) and water outlet valve chamber (25) are connected respectively to intake pipe (32) and outlet pipe (24), inlet valve is provided with in water inlet valve chamber (29), water outlet valve chamber is provided with outlet valve in (25), front side inlet valve (28) and rear side inlet valve (30) are equipped with in the two ends being positioned at plunger (21) in water inlet valve chamber (29), front side outlet valve (26) and rear side outlet valve (22) are equipped with in the two ends being positioned at plunger (21) in water outlet valve chamber (25), reciprocating the moving forward and backward of plunger (21) all completes water suction and draining.
2. the energy-efficient reciprocating pump of one according to claim 1, it is characterized in that: described connecting rod (14) connects guide draw bar (18) by guide draw bar crosshead (15), and crank (13) drivening rod (14), guide draw bar crosshead (15) do straight reciprocating motion in pilot sleeve (17).
3. the energy-efficient reciprocating pump of one according to claim 2, it is characterized in that: described guide draw bar (18) is provided with crankcase tie-rod sealing (17) in crankcase (1) side, guide draw bar (18) is provided with plunger compartment's tie-rod sealing (19) in plunger compartment (2) side.
4. the energy-efficient reciprocating pump of one according to claim 3, is characterized in that: be provided with isolation ward between described crankcase (1) and plunger compartment (2).
5. the energy-efficient reciprocating pump of one according to claim 3, is characterized in that: described gear train comprises gear train small gear (9) and gear train gearwheel (10), and gear train small gear (9) and gear train gearwheel (10) are large speed ratio helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086867.8A CN104675652A (en) | 2015-02-25 | 2015-02-25 | High-efficiency and energy-saving reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086867.8A CN104675652A (en) | 2015-02-25 | 2015-02-25 | High-efficiency and energy-saving reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675652A true CN104675652A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510086867.8A Pending CN104675652A (en) | 2015-02-25 | 2015-02-25 | High-efficiency and energy-saving reciprocating pump |
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| CN (1) | CN104675652A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533472A (en) * | 2018-06-04 | 2018-09-14 | 北京市轨道交通建设管理有限公司 | A kind of plunger type draining vacuum pump |
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
| WO2021081750A1 (en) * | 2019-10-29 | 2021-05-06 | 烟台杰瑞石油装备技术有限公司 | Multi-point supporting five-cylinder plunger pump |
-
2015
- 2015-02-25 CN CN201510086867.8A patent/CN104675652A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533472A (en) * | 2018-06-04 | 2018-09-14 | 北京市轨道交通建设管理有限公司 | A kind of plunger type draining vacuum pump |
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
| WO2021081750A1 (en) * | 2019-10-29 | 2021-05-06 | 烟台杰瑞石油装备技术有限公司 | Multi-point supporting five-cylinder plunger pump |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150603 |