CN205025746U - Fracturing pump and fracturing unit truck - Google Patents
Fracturing pump and fracturing unit truck Download PDFInfo
- Publication number
- CN205025746U CN205025746U CN201520774319.XU CN201520774319U CN205025746U CN 205025746 U CN205025746 U CN 205025746U CN 201520774319 U CN201520774319 U CN 201520774319U CN 205025746 U CN205025746 U CN 205025746U
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- CN
- China
- Prior art keywords
- fracturing
- bent axle
- pump
- fracturing pump
- plunger
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a fracturing pump, including the power end, the power end includes a gear wheel and is located two bent axles at gear wheel both ends, two the bent axle respectively with large gear wheel connected, every the bent axle all is connected through connecting rod and cross head, the cross head is connected with the plunger, two the bent axle with the gear wheel is the central symmetry setting, the bent axle drives connecting rod and cross head promote reciprocating motion is made to the plunger. Compared with the prior art, the utility model discloses a power end adopts sectional type structural design, puts in the gear wheel, is located the bent axle symmetry setting at gear wheel both ends, can satisfy the effect of dynamic balance and static balance simultaneously in theory, and then reduce the additional moment that the bent axle produced when rotatory, reduces the vibration range of fracturing pump. And simultaneously, the utility model also discloses a fracturing unit truck of including above -mentioned fracturing pump.
Description
Technical field
The utility model relates to oil gas fracturing technique field, particularly a kind of fracturing pump and be provided with the fracturing unit truck of this fracturing pump.
Background technique
Pressing crack construction operation is one of important means of transformation oil-gas reservoir, for low-permeability oil gas well, generally needs the object that just can reach stable yields and volume increase by fracturing work.Fracturing pump is the working host of fracturing unit truck, is to realize the most direct actuating equipment of fracturing technology intention, primarily of parts compositions such as power end assembly and fluid end assemblies.
In prior art, fracturing pump as conveying equipment generally adopts curved shaft type plunger pump, Fig. 1 is the structural representation of this curved shaft type plunger pump, as shown in Figure 1, this curved shaft type plunger pump comprises bent axle 1 ', multiple connecting rods 4 ' and multiple plungers 3 ' etc., the two ends of bent axle 1 ' are provided with gearwheel 2 ', multiple plungers 3 ' are arranged in the side of bent axle 1 ', one end of multiple plunger 3 ' can move around respectively in fluid end, between the other end that multiple connecting rod 4 ' is arranged on multiple plunger 3 ' and bent axle 1 ', like this when bent axle 1 ' rotates, drivening rod 4 ' is made crank rod movement, connecting rod 4 ' so drive plunger 3 ' reciprocating, thus realize by fluid end, working medium being sucked and continuous High voltage output, to carry out pressure operation.
The bent axle of fracturing pump has multiple phase place in the market, but no matter which kind of phase place, be all difficult to the dynamic balancing meeting bent axle, cause bent axle to produce additional moment when rotated, cause fracturing pump to vibrate, thus cause car load to vibrate, rotating speed is higher, vibrates larger.Especially when the fracturing pump of car load arrange, the design such as the rigidity of vehicle frame improper time, vibrate more obvious.Serious vibration have impact on the quality of fit of structure, reduces the working life of component.
Model utility content
In view of this, the utility model proposes a kind of fracturing pump and comprise the fracturing unit truck of this fracturing pump, be difficult to dynamic balancing, fracturing pump vibration is large, the bent axle life-span is short technical problem to solve existing fracturing pump bent axle.
On the one hand, the utility model provides a kind of fracturing pump, comprise power end, described power end comprises a gearwheel and is positioned at two bent axles at described gearwheel two ends, and two described bent axles are connected with described gearwheel respectively, and described in every root, bent axle is all connected with crosshead by connecting rod, described crosshead is connected with plunger, two described bent axles are symmetrical arranged centered by described gearwheel, and described bent axle drives described connecting rod and crosshead, promote described plunger reciprocating.
As the improvement on the one hand of a kind of fracturing pump of the utility model, the described connecting rod quantity that bent axle described in every root is arranged is identical.
As the improvement on the one hand of a kind of fracturing pump of the utility model, bent axle described in every root is set side by side with one or more rod journal successively.
As the improvement on the one hand of a kind of fracturing pump of the utility model, the described connecting rod one end on bent axle described in every root is connected with rod journal, and its other end is connected with described crosshead.
As the improvement on the one hand of a kind of fracturing pump of the utility model, bent axle described in every root is set side by side with successively three rod journals, the phase difference of adjacent two described rod journals is 120 °, and the connecting rod quantity on bent axle described in every root is three.
As the improvement on the one hand of a kind of fracturing pump of the utility model, described fracturing pump also comprises fluid end, and described fluid end comprises plunger and pump head body, and described plunger is connected with pump head body.
As the improvement on the one hand of a kind of fracturing pump of the utility model, described pump head body is provided with plunger cavity, one end of described plunger is connected with described crosshead, and the other end of described plunger inserts in described plunger cavity movably.
In sum, fracturing pump of the present utility model, comprise power end, described power end comprises a gearwheel and is positioned at two bent axles at described gearwheel two ends, and two described bent axles are connected with described gearwheel respectively, and described in every root, bent axle is all connected with crosshead by connecting rod, described crosshead is connected with plunger, two described bent axles are symmetrical arranged centered by described gearwheel, and described bent axle drives described connecting rod and crosshead, promote described plunger reciprocating.Compared to existing technologies, power end of the present utility model adopts segmentation structure design, gearwheel is mid-, the bent axle being positioned at gearwheel two ends is symmetrical arranged, in theory simultaneously can satisfying dynamic equilibrium and statically balanced effect, and then the additional moment that reduction bent axle produces when rotated, reduce the Oscillation Amplitude of fracturing pump.
Further, bent axle described in every root is set side by side with successively three rod journals, the phase difference of adjacent two described rod journals is 120 °, connecting rod quantity on bent axle described in every root is three, now, gearwheel is one-sided is triplex structure, and fracturing pump entirety is six cylinders, allow to reduce speed of crankshaft to a certain extent, be more conducive to the working life extending bent axle.
On the other hand, the utility model also provides a kind of fracturing unit truck being equiped with this fracturing pump, comprises chassis and fracturing pump, and described fracturing pump is the fracturing pump described in any one on it, and described fracturing pump is horizontally installed in the rear portion on described chassis.
As the improvement on the one hand of a kind of fracturing pump of the utility model, described fracturing unit truck also comprises motor and transmission system, described transmission system is connected with described motor, described fracturing pump is connected with described transmission system, described motor is connected with oil pump and fuel tank with return tube respectively with the oil inlet pipe of transmission system, for realizing the lubrication to fracturing pump.
As the improvement on the one hand of a kind of fracturing pump of the utility model, described fracturing unit truck also comprises fracturing fluid intake manifold and fracturing fluid outlet manifold, and described fracturing fluid intake manifold is connected with the fluid end of described fracturing pump respectively with fracturing fluid outlet manifold.
Fracturing unit truck of the present utility model obviously has whole beneficial effects of aforementioned fracturing pump, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of curved shaft type plunger pump in correlation technique;
Fig. 2 is the part-structure schematic diagram of the utility model fracturing pump;
Fig. 3 is the side view of Fig. 2.
Fig. 1 description of reference numerals
1 ' bent axle
2 ' gearwheel
3 ' plunger
4 ' connecting rod
Fig. 2 to Fig. 3 description of reference numerals
1 bent axle
2 gearwheels
3 plungers
4 connecting rods
5 crossheads
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
For setting forth the utility model better, when described fracturing pump is horizontally installed in chassis, bent axle 1 is arranged along the length direction on chassis.
Basic thought of the present utility model is: the structure that the utility model adopts gearwheel 2 mid-, power end is divided into left and right two-part, one-sided preferably three cylinders, the phase place of both sides bent axle 1 is all 120 °, and be arranged symmetrically with relative to gearwheel 2, like this, bent axle 1 not only meets static balancing, satisfying dynamic equilibrium simultaneously, and then the vibration of fracturing pump is reduced from root.
As shown in Figure 2, a kind of fracturing pump, comprise power end and fluid end, this power end comprises a gearwheel 2, two bent axles 1, connecting rod 4 and crosshead 5, two bent axles 1 are arranged at the two ends of gearwheel 2 respectively and are connected with gearwheel 2, every root bent axle 1 is all provided with connecting rod 4, every root bent axle 1 is connected with crosshead 5 by connecting rod 4, fluid end comprises plunger 3 and pump head body, aforementioned crosshead 5 is connected with plunger 3, plunger 3 is connected with pump head body, two bent axles 1 are symmetrical set centered by gearwheel 2, bent axle 1 drivening rod 4 and crosshead 5, promote plunger 3 reciprocating, complete successively in the chamber of pump head body and suck and discharge fracturing work.
Preferably, connecting rod 4 quantity that every root bent axle 1 is arranged is identical, every root bent axle 1 is set side by side with one or more rod journal successively, so the quantity of connecting rod 4 can be one or more.Meanwhile, connecting rod 4 one end on every root bent axle 1 is connected with rod journal, and its other end is connected with crosshead 5, can ensure that the bent axle 2 at gearwheel about 2 two ends is symmetrical arranged better, and then realize static balancing and dynamic balancing by above-mentioned setting.
In addition, it is worth mentioning, in the utility model preferred embodiment, every root bent axle 1 is set side by side with three rod journals successively, the phase difference of adjacent two rod journals is 120 °, and connecting rod 4 quantity on every root bent axle 1 is three.Namely the two ends, left and right of gearwheel 2 are three cylinders, and are symmetrical arranged, and fracturing pump entirety is six cylinder plunger pumps, under same displacement, cylinder number is more, and rotating speed relatively just can be less, therefore the rotating speed of reduction bent axle 1 to a certain degree can be allowed, be conducive to the working life extending bent axle 1.
Particularly, pump head body is provided with plunger cavity, one end of aforementioned plunger 3 is connected with crosshead 5, and the other end of plunger 3 then inserts in this plunger cavity movably, for realizing the suction of fracturing pump and discharging fracturing work.
Compared to existing technology, power end of the present utility model adopts segmentation structure design, comprise a gearwheel 2 and be positioned at two bent axles 1 at gearwheel 2 two ends, every root bent axle 1 is all connected with crosshead 5 by connecting rod 4, crosshead 5 is connected with plunger 3, two bent axles 1 are symmetrical arranged centered by gearwheel 2, gearwheel 2 is mid-, the bent axle 1 being positioned at gearwheel 2 two ends is symmetrical arranged, in theory simultaneously can satisfying dynamic equilibrium and statically balanced effect, and then the additional moment that reduction bent axle produces when rotated, reduce the Oscillation Amplitude of fracturing pump.Especially be three cylinders at gearwheel about 2 two ends when being arranged symmetrically with, the rotating speed of bent axle 1 can be reduced to a certain extent, be conducive to the working life extending bent axle 1.
On the other hand, the utility model additionally provides a kind of fracturing unit truck, comprise chassis, fracturing pump, motor and transmission system, described fracturing pump is fracturing pump described on it, and fracturing pump is horizontally installed in the rear portion on described chassis, transmission system is connected with motor, and fracturing pump is connected with transmission system, motor is connected respectively at oil pump and fuel tank with return tube with the oil inlet pipe of transmission system, for realizing the lubrication to fracturing pump.
Further, aforementioned drive system comprises oil pump and oil hydraulic motor, and motor is for driving oil pump, oil pump is connected with oil hydraulic motor, and oil pump is connected with fuel tank, and oil pump is used for providing pressure oil for oil hydraulic motor, oil hydraulic motor is connected with fracturing pump, for driving fracturing pump.Fracturing pump is driven by oil hydraulic motor, drives two of two ends, left and right bent axles 1 to rotate, bent axle 1 drivening rod 4 and crosshead 5 by gearwheel 2, promotes plunger 3 reciprocating, is discharged by working medium with certain pressure.
Meanwhile, the fracturing unit truck in the utility model also comprises fracturing fluid intake manifold and fracturing fluid outlet manifold, and fracturing fluid intake manifold is connected with the fluid end of fracturing pump respectively with fracturing fluid outlet manifold, and it is connected with the pump head body of fluid end particularly.
Fracturing unit truck of the present utility model obviously has simultaneously can satisfying dynamic equilibrium and static balancing, the Oscillation Amplitude of fracturing pump, and even the Oscillation Amplitude of car load is all less, the advantage that working life of bent axle is longer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a fracturing pump, comprise power end, it is characterized in that: described power end comprises a gearwheel (2) and is positioned at two bent axles (1) at described gearwheel (2) two ends, two described bent axles (1) are connected with described gearwheel (2) respectively, described in every root, bent axle (1) is all connected with crosshead (5) by connecting rod (4), described crosshead (5) is connected with plunger (3), two described bent axles (1) are symmetrical arranged centered by described gearwheel (2), described bent axle (1) drives described connecting rod (4) and crosshead (5), promote described plunger (3) reciprocating.
2. fracturing pump as claimed in claim 1, is characterized in that: described in every root, upper described connecting rod (4) quantity arranged of bent axle (1) is identical.
3. fracturing pump as claimed in claim 2, is characterized in that: bent axle (1) described in every root is set side by side with one or more rod journal successively.
4. fracturing pump as claimed in claim 3, is characterized in that: described connecting rod (4) one end on bent axle (1) described in every root is connected with rod journal, and its other end is connected with described crosshead (5).
5. fracturing pump as claimed in claim 4, it is characterized in that: bent axle (1) described in every root is set side by side with three rod journals successively, the phase difference of adjacent two described rod journals is 120 °, and connecting rod (4) quantity on bent axle (1) described in every root is three.
6. the fracturing pump according to any one of claim 1 to 5, is characterized in that: described fracturing pump also comprises fluid end, and described fluid end comprises plunger (3) and pump head body, and (3) are connected with pump head body to described plunger.
7. fracturing pump as claimed in claim 6, it is characterized in that: described pump head body is provided with plunger cavity, one end of described plunger (3) is connected with described crosshead (5), and the other end of described plunger (3) inserts in described plunger cavity movably.
8. a fracturing unit truck, comprises chassis and fracturing pump, it is characterized in that: the fracturing pump of described fracturing pump according to any one of claim 1 to 7, described fracturing pump is horizontally installed in the rear portion on described chassis.
9. fracturing unit truck as claimed in claim 8, it is characterized in that: also comprise motor and transmission system, described transmission system is connected with described motor, described fracturing pump is connected with described transmission system, described motor is connected with oil pump and fuel tank with return tube respectively with the oil inlet pipe of transmission system, for realizing the lubrication to fracturing pump.
10. fracturing unit truck as claimed in claim 9, is characterized in that: also comprise fracturing fluid intake manifold and fracturing fluid outlet manifold, described fracturing fluid intake manifold is connected with the fluid end of described fracturing pump respectively with fracturing fluid outlet manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774319.XU CN205025746U (en) | 2015-10-08 | 2015-10-08 | Fracturing pump and fracturing unit truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774319.XU CN205025746U (en) | 2015-10-08 | 2015-10-08 | Fracturing pump and fracturing unit truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205025746U true CN205025746U (en) | 2016-02-10 |
Family
ID=55258284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520774319.XU Withdrawn - After Issue CN205025746U (en) | 2015-10-08 | 2015-10-08 | Fracturing pump and fracturing unit truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205025746U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134581A (en) * | 2015-10-08 | 2015-12-09 | 三一重型能源装备有限公司 | Fracturing pump and fracturing vehicle |
| CN108787554A (en) * | 2017-05-04 | 2018-11-13 | 苏州宝时得电动工具有限公司 | Handheld high-voltage cleaning machine |
| WO2021236889A1 (en) * | 2020-05-22 | 2021-11-25 | Forum Us, Inc. | Power end hub puller kit apparatus and methods |
| CN114001020A (en) * | 2021-10-26 | 2022-02-01 | 南京六煤机械有限公司 | Novel large-flow emulsion pump station |
-
2015
- 2015-10-08 CN CN201520774319.XU patent/CN205025746U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134581A (en) * | 2015-10-08 | 2015-12-09 | 三一重型能源装备有限公司 | Fracturing pump and fracturing vehicle |
| CN105134581B (en) * | 2015-10-08 | 2017-08-29 | 三一石油智能装备有限公司 | A kind of fracturing pump and fracturing unit truck |
| CN108787554A (en) * | 2017-05-04 | 2018-11-13 | 苏州宝时得电动工具有限公司 | Handheld high-voltage cleaning machine |
| CN108787554B (en) * | 2017-05-04 | 2024-01-05 | 苏州宝时得电动工具有限公司 | Hand-held high-pressure cleaning machine |
| WO2021236889A1 (en) * | 2020-05-22 | 2021-11-25 | Forum Us, Inc. | Power end hub puller kit apparatus and methods |
| US11679456B2 (en) | 2020-05-22 | 2023-06-20 | Forum Us, Inc. | Power end hub puller kit apparatus and methods |
| 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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161229 Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li Patentee after: 31 petroleum Intelligent Equipment Co., Ltd. Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20170829 |
|
| AV01 | Patent right actively abandoned |