CN106917743A - A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body - Google Patents
A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body Download PDFInfo
- Publication number
- CN106917743A CN106917743A CN201710286144.1A CN201710286144A CN106917743A CN 106917743 A CN106917743 A CN 106917743A CN 201710286144 A CN201710286144 A CN 201710286144A CN 106917743 A CN106917743 A CN 106917743A
- Authority
- CN
- China
- Prior art keywords
- plunger
- letter body
- combination valve
- hole
- pump housing
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/02—Packing the free space between cylinders and pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/109—Valves; Arrangement of valves inlet and outlet valve forming one unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body, including the interior plunger channel that is provided with the pump housing, the plunger being movably arranged in plunger channel for combining valve passage, the combination valve being located in combination valve passage, wherein plunger channel has the bellmouth that sealed letter body can be installed with, and sealed letter body can be arranged in plunger channel radial rotating using the conical surface matched with the taper wall surface of the hole；The filler assembly for including pressure ring, main filler, main fairlead, counterbalance spring and spring base is provided with sealed letter body, plunger is axially across filler assembly.By setting a bellmouth in plunger channel, there is lock-bit using bellmouth to dispose sealed letter body, sealed letter body is fixed in the plunger channel of the pump housing using the counterbalance spring into and out of pressure and the self-styled setting of filler of medium, it is not required to the letter body being separately installed on bolt again on the pump housing, can shorten a size for letter body for the length of pump, and the tired error of the knot of part is reduced, and improve and repeat assembly precision, lower the tired error of knot and cause eccentric wear to improve the consumable accessory life-span.
Description
Technical field
The present invention relates to plunger pump technique field, more particularly to a kind of post of utilization conical surface location sealing letter body
Plug pump hydraulic end assembly.
Background technology
The letter body that traditional hydraulic end of plunger pump structure is usually installation filler is tightened in pump with bolt or step positioning
On body, the big external diameter of letter body positioned on the preceding facade endoporus of fuselage it is parallel with power end crosshead to realize fluid power end plug,
To ensure to be taken the air line during operation：1st, through type (upper lower valve), referring to accompanying drawing 4；2nd, (liquid feed valve is vertical, tapping valve is sleeping for three way type
Formula), referring to accompanying drawing 5；3rd, horizontal (horizontal combination valve), referring to accompanying drawing 6.Three kinds of fluid ends of different shape structure are in conveying oil
The serious stuffing box body dismounting difficulty of generally existing fluid end corrosion, reliability under conditions of field sewage or band corrosive liquids operating mode
Difference, the pump housing easily ftracture, the synthtic price index of consumable accessory valve group short life, are analyzed as follows respectively：
Through type fluid end is respectively four entire body structures, referring to accompanying drawing 4, during dismounting 11 ＇ of plunger, the ＇ of forward flange 12, briquetting
13 ＇ lay down after by from above dismounting, dismount more convenient, the lower end of the ＇ of the pump housing 16 sets the ＇ of liquid feed valve 15, the upper end of the ＇ of the pump housing 16
The ＇ of tapping valve 14 is set, and because the ＇ of the pump housing 16 is four entire body structures, inside has right-angled intersection hole, two upright opening intersections category stress
, often there is pump housing cracking in region of stress concentration in concentrated area.General operating pressure grade is in≤12.5Mpa.
Three way type fluid end is L-type structure, referring to accompanying drawing 5.The ＇ of liquid feed valve 22 runs for horizontal form, and tapping valve 5 is vertical
Form is run, during dismounting 26 ＇ of plunger, it is necessary to could be grasped from above dismounting when the ＇ of flange 23, the ＇ of gland 24,22 ＇ of liquid feed valve is laid down
Make more difficult.There is right-angled intersection hole inside the ＇ of the three way type structure pump housing 21, and the valve pocket hole of the ＇ of liquid feed valve 22 is larger, with pressure
Intensity declines severity in this chamber under stressing conditions, within general actual motion pressure≤18Mpa, more than the pressure rating due to answering
Pump housing cracking also happens occasionally caused by power fatigue.
Horizontal fluid end is horizontal combination valve arrangement, and referring to accompanying drawing 6, although the fluid end structure is also four entire body knots
Structure, but dismount 35 ＇ of plunger when must first lay down the ＇ of flange 33, the ＇ of gland 32, the ＇ of valve group 31 after can just remove the ＇ of plunger 35, scene
Operation is cumbersome.Two upright opening cross regions, high-voltage alternating loading stress are avoided inside the pump housing 34 ＇ and concentrate smaller,
Can improve because of the pump housing cracking caused by corrosion and fatigue.Maximum pressure does not find the pump housing in 40Mpa operations in applying at the scene
The phenomenon ftractureed by alternate stress occurs.Applicable cases are preferable in clear water is without granule medium.But horizontal combination valve is due to valve group
It is to be run in horizontal form, valve group eccentric wear phenomenon easily occurs, especially in recent years in produced-water reinjection engineering, medium contains in oil field
Situations such as sand, particle, suspension, is more serious.Normal emerged in operation particle at the scene causes the problems such as card valve, abrasion, thorn leakage general
Store-through exists.The comprehensive life of pump declines, it is impossible to normal operation, under the instruction of energy-saving and emission-reduction attaching importance to environmental protection state basic policy, the sewage in oil field
Discharge can only in time inject underground without other outlets carries out the displacement of reservoir oil.But because sewage treatment works amount is really too big, cost is again
Height, and oil field is built Sewage Disposal and is not often also caught up with and is actually needed, so the sewage discharged in extraction crude oil is returned at present
Note is completed by high pressure water-injection pump.
For said structure drawback, the applicant carries out constantly research and development to traditional fluid end structure and improves, such as
The relevant hydraulic end of plunger pump assembly patent (ZL 201320304293.3 and 20150690158.0) applied by the applicant, just
Solve the problems, such as that the pump housing easily ftractures because of right-angled intersection hole intersection stress concentration at conventional fluid torque end well, and combine
Valve can ensure that valve group work is smooth in the form of vertical or inclined linear motion, will not because of sand material, suspension and card valve,
Effectively increase the gross efficiency of pump.But its weak point is sealed letter body still without departing from the installation side of conventional fluid torque end structure
Formula, i.e. sealed letter body are mounted in pump housing plane, are fixed by bolts on the pump housing, the big external diameter of letter body as with power terminal
Body positioning datum.Therefore the structure to hydraulic end of plunger pump need further to improve and perfect.
The content of the invention
The technical problems to be solved by the invention be directed to above-mentioned prior art provide a kind of structure it is novel, using the conical surface come
The hydraulic end of plunger pump assembly of location and installation sealed letter body, it not only dismounts filler becomes very convenient, and can be adapted to scene
Operation and Maintenance, and stress concentration point can be reduced, the pump housing is not ftractureed under high-voltage alternating stressing conditions, and further increase it
Comprehensive life.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：The plunger displacement pump of this conical surface location sealing letter body
Fluid end assembly, including：The pump housing, is provided with the plunger channel and combination valve passage being connected in the pump housing；Plunger, is movably arranged on post
In plug passage；Combination valve, is located in combination valve passage, and the liquid feed valve of wherein combination valve is arranged on the bottom of combination valve passage, group
The liquid valve for closing valve is arranged on the top of combination valve passage；It is characterized in that described plunger channel has in one can be installed with sealed letter
The bellmouth of body, described sealed letter body can radial rotating ground location and installation using the conical surface matched with the taper wall surface of the hole
In described plunger channel；Be provided with the axial central through hole of described sealed letter body include pressure ring, main filler, dominate to
The filler assembly of set, counterbalance spring and spring base, described plunger is axially across described filler assembly.
Preferably, the bellmouth two ends of the plunger channel are cylinder straight hole, corresponding described sealed letter body except with
Outside the conical surface that taper wall surface of the hole matches, also with the face of cylinder matched with cylinder straight hole, the face of cylinder is provided with for setting
The annular groove and oilhole of sealing ring, the axial centre in oiling duct and sealed letter body on the oilhole insertion pump housing are led to
Hole.
The axial central through hole of the sealed letter body has the preceding cylinder straight hole of the filler assembly for being used for installing described with after
Cylinder straight hole, is separated by a undergauge hole between forward and backward cylinder straight hole and forms the front step and backward step of installing positioning；It is described
Rear cylinder straight hole built with secondary filler, secondary fairlead and the regulating nut being screwed onto in hole；Described oilhole may be provided in
At undergauge hole.
And be provided with the plunger channel outerplanar of the pump housing one around plunger channel axle center circular trough, a positioning sleeve
Be positioned in the circular trough as with fuselage positioning datum.So sealed letter body passes through conical surface location and installation in plunger channel
Afterwards, making the pump housing can be positioned with power end fuselage using ring set, change conventional letter body large cylindrical positioning, therefore positioning dismounting side
Just, fouling is got rusty and cannot dismount letter body in sewage will not being subjected at the scene, can only cut the dangerous of presence with oxygen
Factor.
And described filler assembly its rear end is positioned by described front step, the front end of filler assembly is covered by water ring and positioned,
Described water ring set is fixed by the flange fixed with the pump housing, so by the counterbalance spring in water ring set positioning filler assembly, is passed through
Flange is adjusted its sealed vol；The forward end seal step circumferential periphery of described water ring set is provided with runner, is available for medium mistake
Stream.
Combination valve can be positioned below being porous suction chamber or taper suction chamber in described combination valve passage, can so prevent
The stress concentration of the passage and the pump housing that ftractures.
And the admission chamber water collector connected with the liquid feed valve of combination valve is additionally provided with the described pump housing, the water collector and post
Into parallel lines, the suction inlet of water collector is higher than the suction inlet of liquid feed valve to the passage of plug；Be additionally provided with the described pump housing in addition with
The exhaust chamber of the tapping valve connection of combination valve.
The combination valve can axially be fixed by a fixation elastic construction, in the soft bullet of upper ends one of combination valve
Property block fixed using the interference effect of elasticity, ensuring that valve group is indeformable.
Described plunger channel can be in that center line is arranged into the V-type of non-90 degree angle with valve passage is combined, and make the combination valve be in
Inclined linear motion.
Compared with prior art, the advantage of the invention is that：
1st, by setting a bellmouth in plunger channel, there is lock-bit using bellmouth to dispose sealing
Letter body, sealed letter body is fixed on the plunger of the pump housing using the counterbalance spring into and out of pressure and the self-styled setting of filler of medium
In passage, the letter body being separately installed on bolt again on the pump housing is not required to, a size for letter body can be shortened for the length of pump, and
And the tired error of the knot of part is reduced, and improve and repeat assembly precision, lower the tired error of knot and cause eccentric wear to improve the consumable accessory life-span.
2nd, because conical surface positioning reduces step positioning, so as to reduce stress concentration point, the risk of pump housing cracking is lowered.
3rd, with power end fuselage it is that ring set is positioned due to the pump housing, changes conventional letter body large cylindrical positioning, is positioned such that
Convenient disassembly, fouling is got rusty and cannot dismantle letter body during sewage will not be subjected at the scene, can only cut what is existed with oxygen
Unsafe factor.
4th, fixed using soft elasto block axially position due to being placed in the endoceliac combination valve of pump, so change routine
Pulled out by upper flange bolt with valve pocket and fastened, it is difficult valve pocket compressive strain to be caused at the scene often take valve, axially soft bullet
Property block fixed Combination valve, only flange bolt is tightened, combination valve is fixed using elastic interference, dismount it is very convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is embodiment of the present invention pump housing inner chamber schematic diagram；
Fig. 3 is the structural representation of embodiment of the present invention sealed letter body；
Fig. 4 is through type hydraulic end of plunger pump structure chart in the prior art；
Fig. 5 is three way type hydraulic end of plunger pump structure chart in the prior art；
Fig. 6 is horizontal hydraulic end of plunger pump structure chart in the prior art.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Refer to shown in Fig. 1-Fig. 3, the fluid end assembly of conical surface location sealing letter body of the present invention mainly include the pump housing 1,
Plunger 12, sealed letter body 16, combination valve 2, filler assembly, secondary filler 14, water ring set 5, positioning sleeve 17 and water collector 3 etc., its
In：
The inner-cavity structure of the pump housing 1 is as shown in Fig. 2 be internally provided with plunger channel 101 and the group connected with plunger channel
Valve passage 103 is closed, the passage of the present embodiment two makes to be located in combination valve passage in center line into the V-structure of non-90 degree angle
Combination valve is in inclined linear motion.The arrangement of certain two passage is not limited to this, can such as use combination valve to be transported for vertical straight line
Dynamic T-shaped structure.Contain a bellmouth 106 in plunger channel 101, the neighbouring combination valve passage 103 of bigger diameter end of bellmouth 106
Side, the two ends of bellmouth 106 are cylinder straight hole 105,107, the bellmouth 106 be as the location and installation hole of sealed letter body 16,
Make sealed letter body 16 can radially 360 degree of rolling assemblings.
Sealed letter body 16 is positioned in plunger channel 101 using the conical surface, and rear end is exposed to outside the pump housing 1.Its structure such as Fig. 3 institutes
Show, it has the conical surface 163 that matches with the wall of bellmouth 106, and with bellmouth two ends cylinders straight hole 105,107 wall phases
The face of cylinder of matching.The face of cylinder is provided with annular groove 162 and oilhole 164 for setting sealing ring, oilhole 164
The axial central through hole 161 in oiling duct and sealed letter body on the insertion pump housing.The axial central through hole 161 of sealed letter body 16 is in
Stepped hole, it has the preceding cylinder straight hole 167 for being used for installing filler assembly and the rear cylinder straight hole 165 for installing secondary filler, forward and backward
Separated by a undergauge hole 166 between cylinder straight hole, and form the forward and backward step for installing airtight and watertight padding positioning.Foregoing lubrication
Oilhole 164 is drilled at undergauge hole 166.
Filler assembly is arranged in the preceding cylinder straight hole 167 of sealed letter body 16, and it sequentially includes pressure ring 11, main filler
The pressure ring 11 and preceding seat ring 6 of the 10, main fairlead 9, counterbalance spring 8, spring base 7 and preceding seat ring 6, wherein two are respectively by preceding
Step and water ring set 5 are spacing.Water ring covers 5 flange 4 by being fixed with the pump housing to be fixed, the forward end seal step excircle of water ring set 5
While being provided with the runner for being available for medium excessively stream.Counterbalance spring 8 collectively forms a packing seal and mends automatically with main fairlead 9, spring base 7
Mechanism is repaid, by the automatic front and rear compensation of spring-force driven dual after making main filler 10 wear and tear.
Cylinder straight hole 165 is built with secondary filler 14, secondary fairlead 15 and the adjustment cap 13 being screwed onto in hole afterwards.During assembling,
Plunger 12 sequentially passes through above-mentioned adjustment cap 13, secondary fairlead 15, secondary filler 14, pressure ring 11, main filler 10, main fairlead 9, benefit
Repay spring 8, spring base 7 and preceding seat ring 6, and it is movable be located in plunger channel 101, make axially past under power end effect
Multiple motion.
Combination valve 2 is located in plunger channel 103, and the liquid feed valve 18 of combination valve is located at the bottom of combination valve passage, combination valve
Tapping valve 21 be located at combination valve passage top.The admission chamber connected with the liquid feed valve of combination valve is provided with the pump housing 1 to catchment
Into parallel lines, the suction inlet of water collector is higher than the suction inlet of liquid feed valve to the passage of device 3, the water collector and plunger；Described in addition
The exhaust chamber connected with the tapping valve of combination valve is additionally provided with the pump housing.Combination valve 2 is consolidated axially through a fixation elastic construction
Fixed, i.e., the axial restraint of combination valve is not fixed by traditional valve pocket compression type, is set to upper ends resilient sleeve 19, soft elasto
Block 20 is fixed using the interference effect of elasticity, it is ensured that valve group is indeformable.In order to be better protected from combining valve passage stress collection
In and the pump housing is ftractureed, the combination valve passage being located at below combination valve is designed in step-like porous suction chamber 102, or bored
Shape suction chamber.
Be provided with plane outside the plunger channel of the pump housing 1 one around plunger channel axle center circular trough 104, positioning sleeve 17
Be positioned in the circular trough 104, as with fuselage positioning datum.So sealed letter body 16 is logical in plunger by conical surface location and installation
After in road 101, the pump housing 1 is positioned using ring set with power end fuselage, change conventional letter body large cylindrical positioning, thus it is fixed
Position convenient disassembly, fouling is got rusty and cannot dismount letter body during sewage will not be subjected at the scene, can only be cut with oxygen and existed
Unsafe factor.
Operation principle of the invention is as follows:Liquid feed valve 18 is opened when plunger 12 is moved backward, liquid feed liquor from inlet opening,
Full of the cavity volume of plunger channel 101；Liquid feed valve 18 is closed when plunger 12 travels forward, and plunger holds cavity pressure and raises, tapping valve 21
Open, liquid is discharged from exhaust chamber, and reciprocation cycle is carried out.
It is close due to device filler 10, fairlead 9, pressure ring 11, counterbalance spring 8, counterbalance spring seat 7 in sealed letter body 16
It is tight to pull out that packing body 16 couples bolt useless with the pump housing 1, and the pressure medium of self-locking and end face by the conical surface is fixed.Work as plunger
12 when running forward, the pressure rise in chamber, and the end face of sealed letter body 16 is pressurized and is lockable the cone of the plunger channel 101 in the pump housing
On face；Plunger 12 is moved backward when, the inlet pressure in chamber adds counterbalance spring power to pin sealed letter body 16.
Due to being provided with a bellmouth 106 in the plunger channel 101 of the fluid end pump housing 1 of the invention, using bellmouth
There is lock-bit to dispose sealed letter body 16, using medium into and out of pressure and the counterbalance spring of the self-styled setting of filler
8 are fixed in the plunger channel 101 of the pump housing sealed letter body 16, overcome the difficulty of maintenance dismounting letter body, improve letter body
The precision installed is repeated, the cost of manufacture letter body has been saved, the safety coefficient of casting die high is improve.
But the preferred embodiment of the present invention is the foregoing is only, in addition to shown in the present embodiment figure, can also be carried out not
With remodeling or improvement, without limiting to this.
Claims (10)
1. a kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body, including：
The pump housing, is provided with the plunger channel and combination valve passage being connected in the pump housing；
Plunger, is movably arranged in plunger channel；
Combination valve, is located in combination valve passage, and the liquid feed valve of wherein combination valve is arranged on the bottom of combination valve passage, combination valve
Liquid valve is arranged on the top of combination valve passage；
It is characterized in that：Described plunger channel has the bellmouth that sealed letter body can be installed with, described sealed letter body profit
With the conical surface matched with the taper wall surface of the hole can radial rotating ground location and installation in described plunger channel；Described is close
Be provided with the axial central through hole of packing body include pressure ring, main filler, main fairlead, counterbalance spring and spring base filler it is total
Into described plunger is axially across described filler assembly.
2. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：The bellmouth two ends of the plunger channel are
Cylinder straight hole, corresponding described sealed letter body in addition to the conical surface matched with taper wall surface of the hole, also with cylinder straight hole
The face of cylinder for matching, the face of cylinder is provided with annular groove and oilhole for setting sealing ring, oilhole insertion pump
The axial central through hole in oiling duct and sealed letter body on body.
3. hydraulic end of plunger pump assembly as claimed in claim 1 or 2, it is characterised in that：The axial centre of the sealed letter body
Through hole has the preceding cylinder straight hole and rear cylinder straight hole of the filler assembly for being used for installing described, by one between forward and backward cylinder straight hole
Undergauge hole separates and is formed the front step and backward step for installing positioning；Described rear cylinder straight hole is led built with secondary filler, pair
To the regulating nut for covering and be screwed onto in hole.
4. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：In the plunger channel outerplanar of the pump housing
Be provided with one around plunger channel axle center circular trough, a positioning sleeve be positioned in the circular trough as with fuselage positioning datum.
5. hydraulic end of plunger pump assembly as claimed in claim 3, it is characterised in that：Described oilhole is located at undergauge hole
Place.
6. hydraulic end of plunger pump assembly as claimed in claim 3, it is characterised in that：Described filler assembly rear end is by described
Front step is positioned, and the front end of filler assembly is covered by water ring and positioned, and described water ring set is fixed by the flange fixed with the pump housing；It is described
Water ring set forward end seal step circumferential periphery be provided with the runner for being available for medium excessively stream.
7. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：In described combination valve passage under combination valve
Side is set to porous suction chamber or taper suction chamber.
8. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：It is provided with the described pump housing and combination valve
Liquid feed valve connection admission chamber water collector, the passage of the water collector and plunger into parallel lines, the suction inlet of water collector be higher than into
The suction inlet of liquid valve；In addition the exhaust chamber connected with the tapping valve of combination valve is additionally provided with the described pump housing.
9. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：The combination valve fixes bullet axially through one
Property structure fix, i.e., fixed using the interference effect of elasticity in the upper ends one soft elasto block of combination valve.
10. hydraulic end of plunger pump assembly as claimed in claim 1, it is characterised in that：Described plunger channel leads to combination valve
Road makes combination valve be in inclined linear motion in center line into the V-type arrangement of non-90 degree angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286144.1A CN106917743B (en) | 2017-04-27 | 2017-04-27 | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286144.1A CN106917743B (en) | 2017-04-27 | 2017-04-27 | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106917743A true CN106917743A (en) | 2017-07-04 |
| CN106917743B CN106917743B (en) | 2019-03-26 |
Family
ID=59567568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710286144.1A Active CN106917743B (en) | 2017-04-27 | 2017-04-27 | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106917743B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165797A (en) * | 2017-07-19 | 2017-09-15 | 宁波合力机泵股份有限公司 | It is a kind of to optimize the reciprocating pump that power end is connected with fluid end |
| CN107956664A (en) * | 2017-12-05 | 2018-04-24 | 宁波合力机泵股份有限公司 | A kind of detergent slurry delivery pump fluid end |
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
| CN108843531A (en) * | 2018-09-03 | 2018-11-20 | 宁波合力机泵股份有限公司 | For conveying the hydraulic end of plunger pump of liquid carbon dioxide and other gassiness media |
| CN109458325A (en) * | 2019-01-04 | 2019-03-12 | 宁波合力机泵股份有限公司 | A kind of combination valve applied to double action for reciprocating pump |
| CN109723635A (en) * | 2019-03-13 | 2019-05-07 | 宁波合力机泵股份有限公司 | A kind of reciprocating pump hydraulic-end for oil field note medium containing sand |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6544012B1 (en) * | 2000-07-18 | 2003-04-08 | George H. Blume | High pressure plunger pump housing and packing |
| US6623259B1 (en) * | 2002-05-06 | 2003-09-23 | George H. Blume | High pressure plunger pump housing and packing |
| CN104763628A (en) * | 2015-03-27 | 2015-07-08 | 宁波合力机泵有限公司 | Fluid end of plunger-type reciprocating pump and plunger-type reciprocating pump using the fluid end |
| CN105221407A (en) * | 2015-10-22 | 2016-01-06 | 宁波合力机泵有限公司 | A kind of hydraulic end of plunger pump assembly |
| CN206035790U (en) * | 2016-09-23 | 2017-03-22 | 宁波合力机泵股份有限公司 | Horizontal combination valve fluid end |
| CN206845449U (en) * | 2017-04-27 | 2018-01-05 | 宁波合力机泵股份有限公司 | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body |
-
2017
- 2017-04-27 CN CN201710286144.1A patent/CN106917743B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6544012B1 (en) * | 2000-07-18 | 2003-04-08 | George H. Blume | High pressure plunger pump housing and packing |
| US6623259B1 (en) * | 2002-05-06 | 2003-09-23 | George H. Blume | High pressure plunger pump housing and packing |
| CN104763628A (en) * | 2015-03-27 | 2015-07-08 | 宁波合力机泵有限公司 | Fluid end of plunger-type reciprocating pump and plunger-type reciprocating pump using the fluid end |
| CN105221407A (en) * | 2015-10-22 | 2016-01-06 | 宁波合力机泵有限公司 | A kind of hydraulic end of plunger pump assembly |
| CN206035790U (en) * | 2016-09-23 | 2017-03-22 | 宁波合力机泵股份有限公司 | Horizontal combination valve fluid end |
| CN206845449U (en) * | 2017-04-27 | 2018-01-05 | 宁波合力机泵股份有限公司 | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165797A (en) * | 2017-07-19 | 2017-09-15 | 宁波合力机泵股份有限公司 | It is a kind of to optimize the reciprocating pump that power end is connected with fluid end |
| CN107956664A (en) * | 2017-12-05 | 2018-04-24 | 宁波合力机泵股份有限公司 | A kind of detergent slurry delivery pump fluid end |
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
| CN108799038B (en) * | 2018-06-06 | 2024-05-07 | 广州富森环保科技股份有限公司 | Ultrahigh pressure plunger pump fluid end |
| CN108843531A (en) * | 2018-09-03 | 2018-11-20 | 宁波合力机泵股份有限公司 | For conveying the hydraulic end of plunger pump of liquid carbon dioxide and other gassiness media |
| CN108843531B (en) * | 2018-09-03 | 2024-02-02 | 宁波合力机泵股份有限公司 | Plunger pump fluid end for conveying liquid carbon dioxide and other gas-containing media |
| CN109458325A (en) * | 2019-01-04 | 2019-03-12 | 宁波合力机泵股份有限公司 | A kind of combination valve applied to double action for reciprocating pump |
| CN109458325B (en) * | 2019-01-04 | 2023-09-19 | 宁波合力机泵股份有限公司 | Combined valve applied to double-acting reciprocating pump |
| CN109723635A (en) * | 2019-03-13 | 2019-05-07 | 宁波合力机泵股份有限公司 | A kind of reciprocating pump hydraulic-end for oil field note medium containing sand |
| CN109723635B (en) * | 2019-03-13 | 2024-02-23 | 宁波合力机泵股份有限公司 | Reciprocating pump hydraulic end for injecting sand-containing medium in oil field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106917743B (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106917743A (en) | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body | |
| US20230138582A1 (en) | Cover, fluid end and plunger pump | |
| CN204553199U (en) | A kind of plunger pump clack box assembly | |
| CN1749566A (en) | Digital control reciprocating oil submersible electric pump | |
| CN105221407A (en) | A kind of hydraulic end of plunger pump assembly | |
| CN206845449U (en) | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body | |
| CN110617202B (en) | Bridge type injection and suction sand-proof pump | |
| CN203362142U (en) | Actuating and differential pressure type fracturing sliding sleeve | |
| CN208184702U (en) | A kind of novel hydraulic greasing spraying-preventing system | |
| CN110030491A (en) | A kind of production wellhead associated gas linkage type plunger booster recyclable device and method | |
| CN110608154A (en) | Oil-gas separator for medium-pressure compressor | |
| CN206319864U (en) | Anti-sand oil pump | |
| CN210153555U (en) | Oil recovery well head associated gas interlock formula piston pressure boost recovery unit | |
| CN104728098B (en) | A kind of Multi-stage plunger ultra-long-stroke oil well pump | |
| CN112049784A (en) | Movable cylinder oil well pump | |
| CN208010320U (en) | Direct-connected well head support hydraulic pressure petroleum lifting device | |
| CN201884253U (en) | Durable drill pump | |
| CN204877399U (en) | Oil well nozzle sleeve capable of discharging oil | |
| CN201129282Y (en) | Bore mud pump rotary tight adjustable high pressure resistant piston | |
| CN201193487Y (en) | Wear resistant type pump rod joint | |
| CN201100514Y (en) | Novel pole piston pump for high-pressure oil injector | |
| CN112627782A (en) | Deep-pumping oil well pump with upper drain valve and method | |
| CN2825932Y (en) | Polish rod-free transverse transmission sealing device for pumping well | |
| CN110130858B (en) | Bridge type injection-extraction wear-resistant corrosion-resistant ginseng-lowering integrated lifting process and mechanical system | |
| CN219317123U (en) | Fracturing pump for oil and gas well construction operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Minghai Inventor after: Nie Bin Inventor before: Chen Minghai |