CN102080640A - Ultrahigh-pressure pump - Google Patents
Ultrahigh-pressure pump Download PDFInfo
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- CN102080640A CN102080640A CN2010101118407A CN201010111840A CN102080640A CN 102080640 A CN102080640 A CN 102080640A CN 2010101118407 A CN2010101118407 A CN 2010101118407A CN 201010111840 A CN201010111840 A CN 201010111840A CN 102080640 A CN102080640 A CN 102080640A
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- plunger
- eccentric
- pump
- draining valve
- water valve
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Abstract
The invention relates to an ultrahigh-pressure pump. In the invention, a plurality of eccentric wheel groups are arranged on a spindle, and each eccentric wheel group consists of a plurality of eccentric wheels distributed along the axial direction of the spindle; the large-diameter vertexes of all the eccentric wheels are sequentially and uniformly distributed along the circumference with the spindle as a circle center; the parts on the circumference corresponding to each eccentric wheel is provided with at least one pair of radially opposite plunger pumps, and the cylinder body of each plunger pump is arranged on a base; the outer end of a push rod plunger of each plunger pump is provided with a roller through a guide sleeve, and the outer circumferential surface of the roller is butted against the outer circumferential surface of a corresponding eccentric wheel; each plunger pump is provided with a water feed pipeline port and a water drainage pipeline port; and the spindle is connected with a power device through a transmission shifting mechanism. The pump has the advantages of being used for borehole and well cementation fracturing construction of oil drilling and developing engineering, being capable of greatly improving the mechanical drilling speed, shortening the drilling period and reducing the cost and having high, uniform and stable pump pressure, smoothness of repairing and replacing without stopping the pump and long service life.
Description
Technical field
The present invention relates to a kind of superpressure pump, be mainly used in oil drilling Development Engineering, well fracturing engineering.
Background technique
The pump of drilling well fracturing engineering use at present is two cylinders or triplex single action pump, and crank throw linkage structure is adopted in its transmission.Shortcoming is that the work vibrations are big, and transmission efficiency is low, pumps the hydrodynamic pressure fluctuation greatly, and power and circulatory system discontinuity are damaged easily.
Summary of the invention
Purpose of the present invention just provides a kind of superpressure pump, and the work vibrations that exist with the solution prior art are big, and transmission efficiency is low, pumps the hydrodynamic pressure fluctuation greatly, power and circulatory system discontinuity, the easy problem of damaging.
The technical solution used in the present invention is: comprise base, main shaft, eccentric group and plunger pump, main shaft is installed on the base by bearing and bearing support, several eccentric group are installed on this main shaft, this eccentric group is made up of several axial arranged eccentric wheels along main shaft, and each this summit, eccentric big footpath is successively along being the circumference uniform distribution in the center of circle with the main shaft; At corresponding each this eccentric at least one pair of radially relative plunger pump that is provided with on every side, the cylinder body of each this plunger pump is installed on the described base, a roller is installed by a guide sleeve in the outer end of the push rod plunger of this plunger pump, and this eccentric outer circumferential face that the outer circumferential face of this roller is corresponding with offsets; On this plunger pump, be provided with water supply pipeline interface and drainage pipe interface; Described main shaft is connected with power plant by transmission shifting mechanism; On described Master cylinder body, be provided with the pressure sensing socket hole that communicates with lumen pore.
Advantage of the present invention is:
1, the drilling well, the well cementation pressing crack construction that are used for oil drilling, Development Engineering, can be used for fixing, sledge dress, also can be used for vehicle-mounted.
2, be used for the superhigh pressure jetting drilling well, can increase substantially rate of penetration, shorten drilling period, reduce cost;
3, adopt 12 cylinders symmetry two-way working, pump pressure is uniform and stable, and height peak value difference is little;
4, the many diameters of cylinder are little, reduce pump surge;
5, in the construction, change discharge capacity and pressure, only need to adopt and close that water get final product on the clutch release slave cylinder, very convenient, use 50% clutch release slave cylinder, can double pressure;
6, the last hydromining centrifugal pump feed flow of pump, last water filling index height;
7, valve, valve seat, push rod plunger and the plunger seal of pump are repaiied changed jobs and not termination of pumping to carry out;
8, adopt rotation valve body, improve working life, reduce engineering time;
9, connect pipeline and valve and adopt the quick high-pressure joint, voltage endurance capability is strong, repair change time saving and energy saving;
10, the power of pump can adopt diesel engine, also can adopt motor;
11, rotation blade is equipped with in push rod plunger the inner, can improve sealing, life-saving; _
12, rated pump pressure divides 35Mpa, 60Mpa, the above various ranks of 140Mpa, and discharge capacity is according to construction needs, adaptation condition wide ranges.
Description of drawings
Fig. 1 is that general structure of the present invention is axially analysed and observe (overlooking) schematic representation;
Fig. 2 is the A-A sectional view (half-twist) of Fig. 1;
Fig. 3 is the view (the B-B sectional view of Fig. 2) of eccentric group one end among Fig. 1.
Description of reference numerals: 1-belt pulley, 2-gearbox, 3-bearing support, 4-eccentric group, 41～46-first～the 6th eccentric wheel, 5-plunger pump, 6-motor or diesel engine, the 7-main shaft, 8-guide sleeve, 9-push rod plunger, 10-plunger seal ring, 11-roller, 12-push rod pin, the 13-stuffing box gland, 14-sealing top cover, 15-weep hole, 16-draining valve pellet shot from a slingshot, 17-draining valve body, 18-draining valve spring, 19-draining cylinder cap, 20-draining end bracket enclosed, 21-drain valve, 22-draining valve seal ring, the sealing of 23-draining valve seat, 24-draining valve lead angle, 25-plunger rotation blade, 26-cylinder cap, 27-pressure sensing socket hole, the last water valve seat of 28-, 29-water supply valve, the last water valve of 30-lead angle, the last water valve of 31-spring, 32-draining valve seat, 33-base, the 34-high pressure line, the last water hole of 35-, 36-valve seat set screw, the 37-driving mechanism, the last water valve of 38-pellet shot from a slingshot, the last water valve of 39-seal ring, the 40-water-line, 47-plunger pump lumen pore, the last water valve of 48-body.
Embodiment
Referring to Fig. 1～Fig. 3, the present invention includes base 33, main shaft 7, eccentric group 4 and plunger pump 5, main shaft 7 is installed on the base 33 by bearing and bearing support 3, several eccentric group 4 are installed on this main shaft 7, this eccentric group 4 is made up of two groups six the axial arranged eccentric wheels 41～46 along main shaft 7, and each this summit, eccentric big footpath is successively along the circumference uniform distribution (60 ° at interval) that with main shaft 7 is the center of circle.At corresponding each this eccentric at least one pair of radially relative plunger pump 5 that is provided with on every side, the cylinder body of each this plunger pump 5 is installed on the described base 33, a roller 11 is installed by a guide sleeve 8 in the outer end of the push rod plunger 9 of this plunger pump, and this eccentric outer circumferential face that the outer circumferential face of this roller 11 is corresponding with offsets.On this plunger pump 5, be provided with water supply pipeline interface and drainage pipe interface, be respectively applied for high pressure line 34 and be connected, drain valve 21 and water supply valve 29 are housed respectively on this high pressure line 34 and water-line 40 with water-line 40.Described main shaft 7 is connected with power plant by transmission shifting mechanism.On the cylinder body of described plunger pump 5, be provided with the pressure sensing socket hole 27 that communicates with lumen pore.
In the lumen pore 47 of the cylinder body of the inner slipper seal ground insertion plunger pump 5 of the push rod plunger 9 of described plunger pump, and plunger rotation blade 25 is housed, and (blade and axis have an angle, during with 9 to-and-fro motion of push rod plunger, under the effect of mud, produce small rotation, avoid the wearing and tearing of same position between push rod plunger 9 and the pump housing inwall, can increase the service life); With these lumen pore 47 both sides radially be respectively equipped with communicate with described water supply pipeline interface and drainage pipe interface respectively on water hole 35 and weep hole 15, on this, be respectively equipped with in water hole 35 and the weep hole 15 by water supply pipeline be interfaced to the unidirectional conducting of drainage pipe interface on water valve assembly C and draining valve assembly D.
The described water valve assembly C that goes up comprises water valve body 48, last water valve seat 28, last water valve seal ring 39, last water valve pellet shot from a slingshot 38 and last water valve spring 31, last water valve seat 28 usefulness valve seat set screws 36 are fixed in the reducing of 35 lower ends, water hole, insert in the hole of water valve seat 28 on this on the following top of last water valve body 48, cover filled with water valve seal ring 39 above cone of water valve body 48 on this (below comprising be rubber ring and above metal washer) and last water valve pellet shot from a slingshot 38, on this, install water valve spring 31 between weep hole 15 the inners on the opposite of water valve pellet shot from a slingshot 38 and described lumen pore 47.Water valve lead angle 30 (concrete structure is the blade that a little angle is arranged with the axis of last water valve body 48) is equipped with in the lower end of water valve body 48 on described, utilizes its tilt angle of water impact to produce rotating force.
Described draining valve assembly D is identical with above-mentioned last water valve assembly C, comprise draining valve body 17, draining valve seat 32, draining valve seal ring 22, draining valve pellet shot from a slingshot 16 (thrust-bearing), draining valve spring 18 and weep hole end cap 19, weep hole end cap 19 is installed in outer end at this weep hole 15, draining valve seat 32 is fixed in the inner of weep hole 15, insert in the hole of this draining valve seat 32 on the following top of draining valve body 17, suit draining valve seal ring 22 on the cone of this draining valve body 17 (below comprising be rubber ring and above metal washer) and draining valve pellet shot from a slingshot 16, draining valve spring 18 is installed between this draining valve pellet shot from a slingshot 16 and weep hole end cap 19.Draining valve lead angle 24 (identical with the structure of last water valve lead angle 30) is housed in the lower end of described draining valve body 17, utilizes its tilt angle of water impact to produce rotating force.
In the lumen pore 47 of described cylinder body penetrates an end of push rod plunger 9, stuffing box gland 13 is housed, seal ring is housed, plunger seal ring 10 is housed in the inboard of sealing cover 13 in the outside of sealing cover 13.The other end at this lumen pore 47 is equipped with cylinder cap 26, and described pressure sensing socket hole 27 is located on this cylinder cap 26.
Described power plant are to be installed in motor on this base 33 or internal-combustion engine 6 (one or more than one), and are in transmission connection by the end of driving mechanism 37 with main shaft 7.
Also can be connected with belt pulley 1 by gearbox 2 at the other end of described main shaft 7, belt pulley 1 is for being connected with the power plant of outside.
Described eccentric group 4 has two groups, is made up of side by side three eccentric wheels for every group, and each eccentric wheel is mutually 60 ° of angles successively and is through on the spline spindle 7.Described plunger pump 5 is made up of four groups of triplet plunger pumps, and per two groups of triplet plunger pumps are installed in respectively on the base 33 of one group of three eccentric both sides.
The present invention also is provided with conventional lubrication system.
The present invention has following characteristics:
1, rotary drive is converted into horizontal power by eccentric wheel 4, push rod plunger 9 work of the symmetrical two-way push plunger displacement pump of eccentric wheel;
2, can to adopt the diesel oil gear be power to main shaft 7, and also can adopt motor is power, adapts to various rigs and supports the use;
5, push rod plunger 9 is not with there being rigid connection relation between the eccentric wheel 4, so can not termination of pumping change the quantity of working cylinder, Displacement Regulation and pump pressure satisfy arts demand;
6, adopt three cylinder bodies, the package assembly of 4 groups of 12 cylinder horizontal positioned;
7, plunger displacement pump is forced to supply water by the low pressure centrifugal pump, can guarantee coefficient of fullness;
8, can by being installed in the pressure sensor monitoring operating pressure in the pressure sensing socket aperture 27, realize the telemonitoring observing system;
9, the replaceable different-diameter of plunger also can be changed plunger and piston, will add cylinder sleeve when changing piston;
10, the maximum amount constant-pressure of super-pressure pump of the present invention is 60Mpa, and maximum pump discharge is 60 liters/second, is used for the oil drilling Development Engineering, by four groups of 3 cylinder bodies totally 12 pump housings that plunger forms, because cylinder body is many, cylinder diameter is little, it is little that working barrel flattens steady fluctuation, is the slush pump that does not need the air bag.
11, the high pressure line of pump adopts high-pressure quick connector and valve (patent is arranged in addition), and it is convenient to connect, and is quick, reliable;
12, because of the rated pressure height, be adapted to increase substantially the super-pressure drilling engineering needs of bit speed, also can satisfy conventional pump pressure drilling well needs, be a kind of cost performance advanced person's new pump.
Claims (10)
1. superpressure pump, it is characterized in that: comprise base, main shaft, eccentric group and plunger pump, main shaft is installed on the base by bearing and bearing support, several eccentric group are installed on this main shaft, this eccentric group is made up of several axial arranged eccentric wheels along main shaft, and each this summit, eccentric big footpath is successively along being the circumference uniform distribution in the center of circle with the main shaft; At corresponding each this eccentric at least one pair of radially relative plunger pump that is provided with on every side, the cylinder body of each this plunger pump is installed on the described base, a roller is installed by a guide sleeve in the outer end of the push rod plunger of this plunger pump, and this eccentric outer circumferential face that the outer circumferential face of this roller is corresponding with offsets; On this plunger pump, be provided with water supply pipeline interface and drainage pipe interface; Described main shaft is connected with power plant by transmission shifting mechanism; On described Master cylinder body, be provided with the pressure sensing socket hole that communicates with lumen pore.
2. superpressure pump according to claim 1 is characterized in that: the inner slipper seal ground of the push rod plunger of described plunger pump inserts in the lumen pore of this cylinder body, and the plunger rotation blade is housed; With this lumen pore both sides radially be respectively equipped with communicate with described water supply pipeline interface and drainage pipe interface respectively on water hole and weep hole, on this, be respectively equipped with in water hole and the weep hole by water supply pipeline be interfaced to the unidirectional conducting of drainage pipe interface on water valve assembly and draining valve assembly.
3. superpressure pump according to claim 2, it is characterized in that: the described water valve assembly of going up comprises water valve body, goes up the water valve seat, goes up water valve seal ring, goes up water valve pellet shot from a slingshot and last water valve spring, last water valve seat is fixed in the water hole, insert in the hole of water valve seat on this on the top of last water valve body, cover filled with water valve seal ring and last water valve pellet shot from a slingshot above cone of water valve body on this are installed water valve spring between opposite inwall of water valve pellet shot from a slingshot and described lumen pore on this.
4. superpressure pump according to claim 3 is characterized in that: water valve lead angle is equipped with in the lower end of water valve body on described.
5. superpressure pump according to claim 2, it is characterized in that: described draining valve assembly comprises draining valve body, the draining valve seat, draining valve seal ring, draining valve pellet shot from a slingshot, draining valve spring and weep hole end cap, the weep hole end cap is installed in outer end at this weep hole, the draining valve seat is fixed in the inner of weep hole, insert in the hole of this draining valve seat on the top of draining valve body, suit draining valve seal ring and draining valve pellet shot from a slingshot on the cone of this draining valve body are installed draining valve spring between this draining valve pellet shot from a slingshot and weep hole end cap.
6. superpressure pump according to claim 5 is characterized in that: in the lower end of described draining valve body draining valve lead angle is housed.
7. superpressure pump according to claim 2 is characterized in that: in the lumen pore of described cylinder body penetrates an end of push rod plunger stuffing box gland is housed, in the outside of sealing cover seal ring is housed, in the inboard of sealing cover the plunger seal ring is housed; The other end at this lumen pore is equipped with cylinder cap, and described pressure sensing socket hole is located on this cylinder cap.
8. superpressure pump according to claim 1 is characterized in that: described power plant are motor or the internal-combustion engine that is installed on this base.
9. superpressure pump according to claim 8 is characterized in that: described main shaft is connected with belt pulley by gearbox, for being connected with the power plant of outside.
10. superpressure pump according to claim 1 is characterized in that: described eccentric group has two groups, is made up of side by side three eccentric wheels for every group, and each eccentric wheel is mutually 60 ° of angles successively and is through on the spline spindle; Described plunger pump is made up of four groups of triplet plunger pumps, and per two groups of triplet plunger pumps are installed in respectively on the base of one group of three eccentric both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118407A CN102080640A (en) | 2010-02-05 | 2010-02-05 | Ultrahigh-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118407A CN102080640A (en) | 2010-02-05 | 2010-02-05 | Ultrahigh-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102080640A true CN102080640A (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101118407A Pending CN102080640A (en) | 2010-02-05 | 2010-02-05 | Ultrahigh-pressure pump |
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| Country | Link |
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| CN (1) | CN102080640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917734A (en) * | 2015-12-25 | 2017-07-04 | 罗凤玲 | A kind of power set |
| CN114017278A (en) * | 2021-11-30 | 2022-02-08 | 黄秀芳 | Reciprocating pump prevents that motor housing is rotatory and sealed motor bearing frame structure |
-
2010
- 2010-02-05 CN CN2010101118407A patent/CN102080640A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917734A (en) * | 2015-12-25 | 2017-07-04 | 罗凤玲 | A kind of power set |
| CN114017278A (en) * | 2021-11-30 | 2022-02-08 | 黄秀芳 | Reciprocating pump prevents that motor housing is rotatory and sealed motor bearing frame structure |
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Application publication date: 20110601 |