CN109737049A - Plunger pump fluid power assembly - Google Patents
Plunger pump fluid power assembly Download PDFInfo
- Publication number
- CN109737049A CN109737049A CN201910040982.XA CN201910040982A CN109737049A CN 109737049 A CN109737049 A CN 109737049A CN 201910040982 A CN201910040982 A CN 201910040982A CN 109737049 A CN109737049 A CN 109737049A
- Authority
- CN
- China
- Prior art keywords
- imbibition
- drain
- spool
- slot
- spring
- 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
Abstract
The embodiment of the invention discloses a kind of plunger pump fluid power assemblies, including pump head ontology, there is pump head hole, imbibition valve seat, imbibition spring, drain spring and the direction away from the imbibition valve seat are successively inserted into imbibition spool, imbibition valve body, drain valve seat, drain spool, drain spring base in the pump head hole on the pump head ontology；There is the first supporting table and the second supporting table being oppositely arranged on the circumferential hole wall in the pump head hole, the imbibition valve seat includes tube body, the end of the tube body is provided with flange, the tube body is plugged between the first supporting table and the second supporting table, the flange is covered respectively in first supporting table and the second supporting table, the both ends of the imbibition spring are connected to respectively on imbibition spool and imbibition valve body, and the both ends of the drain spring are connected to respectively on drain spool and drain spring base.The setting of component can be reduced using the embodiment of the present invention, reduces volume, reduces self weight, improve assembly efficiency.
Description
Technical field
The present invention relates to plunger pump technique fields, and in particular to a kind of plunger pump fluid power assembly.
Background technique
Reciprocating plunger pump is made of deceleration mechanism and fluid power assembly two parts, and fluid power assembly is played mechanical energy
It is converted into the effect of fluid pressure energy.Fluid power assembly includes upper press cover, pump head main body, imbibition box, and connection in the prior art
Liquid sucting valve seat supports ring between pump head main body and imbibition box.Wherein, pump head hole is provided in pump head main body, imbibition valve seat is inhaled
Liquid spool, imbibition valve spring, drain spool, drain valve seat, drain valve spring and drain spring base etc. are installed in pump head hole.
When assembly, need first to be packed into liquid sucting valve seat and imbibition spool in pump head bottom part body hole and by imbibition valve seat branch
Pushing out ring is fixed, while fixing imbibition box on liquid sucting valve seat supports ring, later could be in pump head body top hole by certainly
Sequence on down is sequentially loaded into imbibition valve spring, drain valve seat, drain valve spring, drain valve spring retainer, finally uses upper press cover
It is pressed on drain valve spring retainer.It wherein, is "lower" close to the direction of imbibition box, the direction far from imbibition box is "upper".
Inventor has found that imbibition valve seat and imbibition spool in the prior art are required to inhale in the implementation of the present invention
Liquid valve support ring is fixed, and assembling parts are more, and volume is big, and from great, assembly efficiency is low, and drain spool size is larger, in height
Under the frequent impact force action of hydraulic fluid stream, drain spool stability is poor, fatigue fracture easily occurs, is easy to cause plunger and driving member
It is impaired.
Summary of the invention
In view of this, the embodiment of the present invention proposes a kind of plunger pump fluid power assembly, to solve the above technical problems.
The embodiment of the present invention proposes a kind of plunger pump fluid power assembly, including pump head ontology, has pump on the pump head ontology
Head bore, wherein further include: imbibition valve seat, imbibition spring, drain spring and the direction away from the imbibition valve seat are successively inserted
Imbibition spool, imbibition valve body, drain valve seat, drain spool, drain spring base in the pump head hole；The pump head hole
There is the first supporting table and the second supporting table being oppositely arranged, the imbibition valve seat includes tube body, the tube body on circumferential hole wall
End be provided with flange, the tube body is plugged between the first supporting table and the second supporting table, and the flange covers respectively
In first supporting table and the second supporting table, the both ends of the imbibition spring are connected to imbibition spool and imbibition valve body respectively
On, the both ends of the drain spring are connected to respectively on drain spool and drain spring base.
Optionally, it is provided with the first card slot on the imbibition valve body, the second card slot is provided on the imbibition spool, it is described
The both ends of imbibition spring are respectively clamped into first card slot and the second card slot.
Optionally, the imbibition valve body includes the substrate with the grafting of pump head hole, has the be oppositely arranged on the substrate
One plate face and the second plate face, first plate face are abutted with the drain valve seat, are provided with level-one boss in second plate face
Portion is provided with second level boss portion in the level-one boss portion, three-level boss portion, the three-level is provided in the second level boss portion
Slot is provided in boss portion, the imbibition spool is plugged in slot, is provided on the slot bottom of the slot for liquid communication
Recirculation hole, the recirculation hole run through slot slot bottom and the first plate face, the substrate, level-one boss portion, second level boss portion, three
Grade boss portion is coaxial, and outer diameter is gradually reduced, and first card slot is arranged in second level boss portion.
Optionally, recessed portion is provided in the first plate face of the substrate, the recessed portion is coaxial with recirculation hole and is connected to,
Multiple liquid pass holes are provided on the imbibition valve body, multiple liquid pass holes are described to cross liquid along the circumferentially distributed of the recessed portion
Hole is connected to side of the second level boss portion far from the first plate face and the recessed portion.
Optionally, annular brace platform is provided in the inner circumferential wall in the pump head hole, the second level boss portion and annular are propped up
Platform grafting is supportted, the substrate is connected on the annular brace platform.
It optionally, further include guide sleeve, the guide sleeve is plugged in the slot, and the imbibition spool is covered described
On imbibition valve seat, the guide rod of the imbibition spool is inserted into the guide sleeve, and can move in guide sleeve.
Optionally, the tube body and the first supporting table, the second supporting table are interference fitted, the imbibition spool, imbibition valve body,
Drain valve seat, drain spool, drain spring base and pump head hole are clearance fit.
Optionally, it is provided with third card slot on the drain spool, is provided with mounting groove on the drain valve spring retainer, institute
The both ends for stating drain spring are respectively clamped into third card slot and mounting groove.
Optionally, the drain valve seat includes groove body, and mounting hole, the drain spool are provided on the slot bottom of the groove body
In the mounting hole, the drain valve spring retainer is mounted in the groove body, is provided on the drain valve spring retainer for inserting
4th card slot, the mounting groove are arranged on the slot bottom of the 4th card slot, the 4th card slot the cover on the drain spool, and
The end face of 4th card slot cell wall covers on the slot bottom of groove body.
Optionally, the drain valve spring retainer includes bottom plate, connecting column and the 4th card slot, the both ends difference of the connecting column
It is vertical with the slot bottom of bottom plate and the 4th card slot to connect, the bottom plate towards connecting column plate face peripheral edge along be above provided with against
Portion, the butting section cover on the notch edge of the groove body.
Plunger pump fluid power assembly provided in an embodiment of the present invention by be arranged on the hole wall in pump head hole the first supporting table and
Second supporting table, imbibition valve seat are plugged between two supporting tables, and are covered in two supporting tables by flange, realize imbibition
The fixation of valve seat, and by liquid sucting valve fixed ring stationary phase ratio, can reduce the setting of component in the prior art, reduce volume, drop
Low self weight improves assembly efficiency；Moreover, each component can be reduced in the pump head hole of equal volume by the way that imbibition valve body is arranged
Size reduces the self weight of each component, reduces the contact area of hydraulic shock power suffered by spool, avoids bring of being self-possessed due to spool
Greater impact inertia reduces the failure rate of spool, so that spool is kept preferable stability, to make close between spool and valve seat
Envelope is more preferable, improves the opening and closing characteristic of spool and valve seat, reduces slip, improves volumetric efficiency, while structure is simple, operation side
Just, it and dismounts without particular/special requirement, easy to repair and replacement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the plunger pump fluid power assembly of the embodiment of the present invention.
Fig. 2 is the sectional view of the imbibition valve body of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, technical solution of the present invention is described in detail.It is wherein identical
Components are presented with like reference characters.It should be noted that word "front", "rear" used in the following description, " left side ",
" right side ", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
Fig. 1 shows the structural schematic diagram of the plunger pump fluid power assembly of the embodiment of the present invention, as shown in Figure 1, the present invention is real
The plunger pump fluid power assembly for applying example offer includes pump head ontology 1, has pump head hole 103 on the pump head ontology 1.
Plunger pump fluid power assembly further include: imbibition valve seat 8, imbibition spring 11, drain spring 3, and away from described
The direction of imbibition valve seat 8 is successively inserted into imbibition spool 7, imbibition valve body 6, drain valve seat 12, drain in the pump head hole 103
Spool 4, drain spring base 2.
The first supporting table 102 and the second supporting table, two supporting table phases are provided on the circumferential hole wall in the pump head hole 103
To setting.
As shown in Figure 1, the first supporting table 102 and the second supporting table constitute circumferential support platform.In the present embodiment, first
Support platform 102 and the second supporting table are integrally formed.
The imbibition valve seat 8 includes tube body 81, and the end of the tube body 81 is provided with flange 82.In the present embodiment, it turns over
Side 82 is arranged in the circumferential direction of 81 end of tube body, outer wall of the flange 82 perpendicular to tube body 81.
The tube body 81 is plugged between the first supporting table 102 and the second supporting table, and flange 82 is covered respectively described
In one supporting table 102 and the second supporting table.Flange 82 and the contact surface of the first supporting table 102, the second supporting table are plane.
The both ends of imbibition spring 11 are connected to respectively on imbibition spool 7 and imbibition valve body 6, the both ends difference of drain spring 3
It is connected on drain spool 4 and drain spring base 2.
When assembly, first imbibition valve seat 8 is inserted between the first supporting table 102 and the second supporting table, then successively by imbibition
Spool 7, imbibition spring 11, imbibition valve body 6, drain valve seat 12, drain spool 4, drain spring 3, drain spring base 2 are inserted into pump head
In hole 103.
Plunger pump fluid power assembly provided in an embodiment of the present invention by be arranged on the hole wall in pump head hole the first supporting table and
Second supporting table, imbibition valve seat are plugged between two supporting tables, and are covered in two supporting tables by flange, realize imbibition
The fixation of valve seat, and by liquid sucting valve fixed ring stationary phase ratio, can reduce the setting of component in the prior art, reduce volume, drop
Low self weight improves assembly efficiency.
Moreover, plunger pump fluid power assembly provided in an embodiment of the present invention passes through setting imbibition valve body, in the pump of equal volume
In head bore, the size of each component can be reduced, reduce the self weight of each component, reduce spool (such as drain spool, imbibition spool) institute
By the contact area of hydraulic shock power, bring greater impact inertia of being self-possessed due to spool is avoided, the failure rate of spool is reduced, makes
Spool keeps preferable stability, to keep the sealing between spool and valve seat more preferable, improves the opening and closing characteristic of spool and valve seat,
Slip is reduced, volumetric efficiency is improved, while structure is simple, easy to operate, and dismounts without particular/special requirement, easy to repair and more
It changes.
Further, imbibition spool 7, imbibition spring 11, imbibition valve body 6, drain valve seat 12, drain spool 4, drain spring
3, drain spring base 2, imbibition valve seat 8 are coaxial, can further reduce the volume of plunger pump fluid power assembly, reduce self weight, convenient
Handling.
Preferably, being arranged on the imbibition spool 7 as shown in Fig. 2, be provided with the first card slot 631 on the imbibition valve body 6
There is the second card slot.
The both ends of the imbibition spring 11 are respectively clamped into first card slot 631 and the second card slot, and imbibition bullet can be improved
Stability when 11 high frequency mo of spring.
Similarly, it is provided with third card slot on drain spool 4, mounting groove 21, institute are provided on the drain valve spring retainer 2
The both ends for stating drain spring 11 are respectively clamped into third card slot and mounting groove 211, with steady when improving drain 3 high frequency mo of spring
It is qualitative.
In a preferred embodiment of the invention, as shown in Fig. 2, the imbibition valve body 6 includes and 103 grafting of pump head hole
Substrate 61, there is on the substrate 61 the first plate face and the second plate face being oppositely arranged, first plate face and the drain
Valve seat 8 abuts.
As shown in Figure 1, the first plate face lid is located on the end of tube body 81, and the end face with the tube body of drain valve seat 8 81
For plane contact, sealing performance can not only be increased, and the caliber of tube body 81 is big, it is possible to increase liquid inlet volume can fit well
When meet requirement of the plunger pump under complex working condition (emulsion pump of such as underground coal mine) to big flow fluid power assembly.
In a preferred embodiment of the invention, tube body 81 is round tube.
It is provided with level-one boss portion 62 in second plate face, is provided with second level boss portion in the level-one boss portion 62
63, three-level boss portion 64 is provided in the second level boss portion 63, is provided with slot 641 in the three-level boss portion 64.
Imbibition spool 7 is plugged in slot 641, and the recirculation hole for liquid communication is provided on the slot bottom of the slot 641
67, the recirculation hole 67 runs through the slot bottom and the first plate face of slot 641.
The substrate 61, level-one boss portion 62, second level boss portion 63, three-level boss portion 64 are coaxial, and three boss portions are
Cylindrical body, and outer diameter is gradually reduced.
First card slot 631 is arranged in second level boss portion 63, and the three-level boss portion 64 is located in imbibition spring 11
Portion.
By setting multistage boss structure for imbibition valve body 6, it is possible to increase its length reduces drain spool 4 and liquid sucting valve
The size of core 7 further reduces the contact area of hydraulic shock power suffered by drain spool 4 and imbibition spool 7, avoids due to certainly
Weight bring greater impact inertia, reduces the failure rate of drain spool 4 and imbibition spool 7.
Further, slot 641, recirculation hole 67 are coaxial with three-level boss portion 64, to facilitate setting.
Preferably, as shown in Fig. 2, being provided with recessed portion 66 in the first plate face of the substrate 61, the recessed portion 66 with
Recirculation hole 67 is coaxial and is connected to.In the present embodiment, recessed portion 66 is cylindrical body.
Multiple liquid pass holes 65 are provided on the imbibition valve body 6, multiple liquid pass holes 65 can be along the recessed portion 66
It is circumferentially uniformly distributed, the liquid pass hole 65 is connected to side of the second level boss portion 63 far from the first plate face and the recessed portion
66。
By the way that multiple liquid pass holes 65 are arranged, area of passage can be increased, increase inflow-rate of water turbine.
Further, along the first groove 611 is above provided with, sealing strip is embedded in the first groove 611 peripheral edge of substrate 61
It is interior, to increase the leakproofness of substrate 61 Yu 103 hole wall of pump head hole.
Further, annular brace platform 101, the second level boss portion are provided in the inner circumferential wall in the pump head hole 103
63 are pierced by annular brace platform 101 with 101 grafting of annular brace platform, three-level boss portion 64, and the substrate 61 is connected to the annular
In supporting table 101.
The installation fastness of imbibition valve body 6 can be increased by the way that annular brace platform 101 is arranged.
As shown in Figure 1, annular brace platform 101 and the contact surface of second level boss portion 63 are plane, to increase sealing performance.
Wherein, annular brace platform 101 and the first supporting table 102 are located at the two sides of plunger cavity 13.
Preferably, plunger pump fluid power assembly further includes guide sleeve 5, and the guide sleeve 5 is plugged in the slot 641.
Imbibition spool 7 covers on imbibition valve seat 8, and the two is plane contact, to further improve sealing performance.
The guide sleeve 5 is inserted into the end of the guide rod of the imbibition spool 7, and can be in guide sleeve 5 along the length of guide rod
Degree side moves inward.
By the way that guide sleeve 5 is arranged, it is ensured that in high frequency mo, movement routine will not shift imbibition spool 7, guarantee
The stability of work.
In a preferred embodiment of the invention, the material of imbibition spool 7 is stainless steel, and the material of guide sleeve 5 is copper,
It is oriented to bite to avoid imbibition spool 7 and guide sleeve 5, guarantees going on smoothly for guiding.
Preferably, slot 641 extends in second level boss portion 63, on the cell wall of the slot 641 of second level boss portion 63
It is provided with removal hole 632, removal hole 632 is between the first card slot 631 and level-one boss portion 62, to facilitate tearing open for guide sleeve 5
It unloads.
Optionally, it is provided with mating hole corresponding with removal hole 632 on the outer wall of guide sleeve 5, can further improve and lead
To the removal efficiency of set 5.
As described in Figure 2, there are two the tools of removal hole 632, two removal holes 632 are oppositely arranged.
Further, the tube body 81 and the first supporting table 102, the second supporting table are interference fitted, the imbibition spool 7,
Imbibition valve body 6, drain valve seat 12, drain spool 4, drain spring base 2 and pump head hole equal 103 are clearance fit, to facilitate each portion
The handling of part improve the efficiency of loading and unloading.
Further, the drain valve seat 12 includes groove body, is provided with mounting hole 121, institute on the slot bottom of the groove body
Drain spool 4 is stated to be inserted into mounting hole 121.
In the present embodiment, the part that drain spool 4 and mounting hole 121 cooperate is cone, and the side of cone is connected to peace
On the edge for filling hole 121.
The drain valve spring retainer 2 is mounted in the groove body, is provided with the 4th card slot on the drain valve spring retainer 2
21, the mounting groove 211 is arranged on the slot bottom of the 4th card slot 21.
4th card slot, 21 the cover is on the drain spool, and the end face of the cell wall of the 4th card slot 21 is covered in groove body
Slot bottom on.
It, can be by drain valve seat 12, tapping valve bullet in dismounting by the way that drain valve spring retainer 2 to be mounted in the groove body
Spring abutment 2, drain spool 4 as a whole, further improve disassembly efficiency.Moreover, the 4th card slot 21 is also to drain spool 4
With certain restriction effect, prevents that sideslip occurs when drain 4 high frequency mo of spool, guarantee the stability of work.
Preferably, the drain valve spring retainer 2 includes bottom plate 23, connecting column 22 and the 4th card slot 21.
The both ends of the connecting column 22 are vertical with the slot bottom of bottom plate 23 and the 4th card slot 21 respectively to be connect, 23 court of bottom plate
It is above provided with butting section 24 to the peripheral edge edge of the plate face of connecting column 22, the butting section 24 covers on the notch side of the groove body
Along upper.
It is abutted by the abutting part of bottom plate 23 with the notch edge of groove body, drain valve seat 12 can be made to form an opposing seal
Space, improve drain valve seat 12 leakproofness.
Further, there is the second groove, the second groove on the bearing surface that abutting part 24 is abutted with the notch edge of groove body
It is inside embedded with sealing strip, the leakproofness between butting section 24 and the notch of groove body can be further improved.
Preferably, it is provided with third groove 122 in the circumferential direction of the external groove sidevall of groove body, can also be embedded in third groove 122
Sealing strip, to improve the leakproofness between groove body and pump head hole 103.
Further, plunger pump fluid power assembly further includes upper press cover 10, and the lid of upper press cover 10 is located on bottom plate 23, upper pressure
Lid 10 is mounted on pump head ontology 1 by bolt 9.
When plunger pump work, deceleration mechanism drives plunger towards moving in plunger cavity 13, and 13 inner volume of plunger cavity becomes smaller, and will pump
Liquid in head bore 103 is pressurized to form highly pressurised liquid, and the hydraulic coupling of the first epicoele above imbibition spool 7 is higher than liquid sucting valve
The hydraulic coupling of first cavity of resorption of 8 lower section of seat, imbibition spring 11 are failure to actuate, and imbibition spool 7 is closed.
Meanwhile the second cavity of resorption hydraulic coupling of 4 lower section of drain spool is higher than the hydraulic of the second epicoele of 4 top of drain spool
Power, drain spring 3 are compressed, and drain spool 4 is opened, and the high pressure liquid of the second cavity of resorption is between drain spool 4 and drain valve seat 12
Annular chamber discharge, at this time complete a drain stroke.
Conversely, plunger leaves plunger cavity 13 when moving outwardly, 13 inner volume of plunger cavity becomes larger to form vacuum, the first cavity of resorption
Hydraulic coupling is higher than the hydraulic coupling of the first epicoele, and imbibition spring 11 is compressed, and imbibition spool 7 is opened, the highly pressurised liquid of the first cavity of resorption
It is sucked between imbibition spool 7 and imbibition valve seat 8, and from the recirculation hole 67 on imbibition valve body 6, liquid pass hole 65,66 row of recessed portion
It is formed by annular chamber to drain valve seat 12 and drain spool 4；Meanwhile second epicoele hydraulic coupling be higher than the second cavity of resorption liquid
Pressure, drain spool 4 are closed, and complete an imbibition stroke at this time；Imbibition process and discharge opeing process are with the movement of plunger with certain
Frequency interaction is completed.
More than, technical solution of the present invention is described in detail in conjunction with specific embodiments, described specific implementation
Example is used to help understand thought of the invention.The derivation that those skilled in the art make on the basis of the specific embodiment of the invention
It is also belonged within the scope of the present invention with modification.
Claims (10)
1. a kind of plunger pump fluid power assembly, including pump head ontology, there is pump head hole on the pump head ontology, which is characterized in that also
It include: that imbibition valve seat, imbibition spring, drain spring and the direction away from the imbibition valve seat are successively inserted into the pump head
Imbibition spool, imbibition valve body, drain valve seat, drain spool, drain spring base in hole；Have on the circumferential hole wall in the pump head hole
There are the first supporting table and the second supporting table being oppositely arranged, the imbibition valve seat includes tube body, and the end of the tube body is provided with
Flange, the tube body are plugged between the first supporting table and the second supporting table, and the flange is covered respectively in first support
On platform and the second supporting table, the both ends of the imbibition spring are connected to respectively on imbibition spool and imbibition valve body, the drain bullet
The both ends of spring are connected to respectively on drain spool and drain spring base.
2. plunger pump fluid power assembly as described in claim 1, which is characterized in that be provided with the first card on the imbibition valve body
Slot is provided with the second card slot on the imbibition spool, and the both ends of the imbibition spring are respectively clamped into first card slot and second
In card slot.
3. plunger pump fluid power assembly as claimed in claim 2, which is characterized in that the imbibition valve body includes and the grafting of pump head hole
Substrate, there is on the substrate the first plate face and the second plate face being oppositely arranged, first plate face and the drain valve seat
It abuts, is provided with level-one boss portion in second plate face, second level boss portion, the second level are provided in the level-one boss portion
It is provided with three-level boss portion in boss portion, slot is provided in the three-level boss portion, the imbibition spool is plugged in slot,
The recirculation hole for liquid communication is provided on the slot bottom of the slot, the recirculation hole runs through the slot bottom and the first plate face of slot,
The substrate, level-one boss portion, second level boss portion, three-level boss portion are coaxial, and outer diameter is gradually reduced, the first card slot setting
In second level boss portion.
4. plunger pump fluid power assembly as claimed in claim 3, which is characterized in that be provided in the first plate face of the substrate recessed
Concave portion, the recessed portion is coaxial with recirculation hole and is connected to, and multiple liquid pass holes, multiple liquid excessively are provided on the imbibition valve body
Hole is circumferentially distributed along the recessed portion, the liquid pass hole be connected to side of the second level boss portion far from the first plate face with it is described
Recessed portion.
5. plunger pump fluid power assembly as claimed in claim 3, which is characterized in that be provided in the inner circumferential wall in the pump head hole
Annular brace platform, the second level boss portion and the grafting of annular brace platform, the substrate are connected on the annular brace platform.
6. plunger pump fluid power assembly as claimed in claim 3, which is characterized in that it further include guide sleeve, the guide sleeve grafting
In the slot, the imbibition spool is covered on the imbibition valve seat, is led described in the guide rod insertion of the imbibition spool
To set, and can be moved in guide sleeve.
7. plunger pump fluid power assembly as claimed in claim 6, which is characterized in that the tube body and the first supporting table, second
Platform interference fit is supportted, between the imbibition spool, imbibition valve body, drain valve seat, drain spool, drain spring base and pump head hole are
Gap cooperation.
8. plunger pump fluid power assembly as claimed in claim 1, which is characterized in that be provided on the drain spool
Three card slots are provided with mounting groove on the drain valve spring retainer, and the both ends of the drain spring are respectively clamped into third card slot and peace
In tankage.
9. plunger pump fluid power assembly as claimed in claim 8, which is characterized in that the drain valve seat includes groove body, the slot
Mounting hole is provided on the slot bottom of body, the drain spool is inserted into the mounting hole, and the drain valve spring retainer is mounted on
In the groove body, the 4th card slot is provided on the drain valve spring retainer, the mounting groove is arranged on the slot bottom of the 4th card slot,
The 4th card slot the cover is on the drain spool, and the end face of the 4th card slot cell wall covers on the slot bottom of groove body.
10. plunger pump fluid power assembly as claimed in claim 9, which is characterized in that the drain valve spring retainer includes bottom plate, connects
Column and the 4th card slot are connect, the both ends of the connecting column are vertical with the slot bottom of bottom plate and the 4th card slot respectively to be connect, the bottom plate court
It is above provided with butting section to the peripheral edge edge of the plate face of connecting column, the butting section covers on the notch edge of the groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040982.XA CN109737049B (en) | 2019-01-16 | 2019-01-16 | Plunger pump hydraulic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040982.XA CN109737049B (en) | 2019-01-16 | 2019-01-16 | Plunger pump hydraulic assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109737049A true CN109737049A (en) | 2019-05-10 |
| CN109737049B CN109737049B (en) | 2021-04-13 |
Family
ID=66365049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040982.XA Active CN109737049B (en) | 2019-01-16 | 2019-01-16 | Plunger pump hydraulic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109737049B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004257296A (en) * | 2003-02-25 | 2004-09-16 | Maruyama Mfg Co Ltd | Valve system for reciprocating pump |
| CN201836040U (en) * | 2010-10-29 | 2011-05-18 | 成都西南水泵厂 | Hydraulic cylinder used for high-pressure reciprocating pump |
| CN105756880A (en) * | 2016-04-15 | 2016-07-13 | 宁波合力机泵有限公司 | Reciprocating plunger pump |
| CN105952633A (en) * | 2016-07-07 | 2016-09-21 | 天津市海盛泵业制造有限公司 | Straight-through combination valve applied to high-pressure reciprocation plunger pump hydraulic end |
| CN107842493A (en) * | 2017-10-24 | 2018-03-27 | 北京天地玛珂电液控制系统有限公司 | Fluid end assembly and the plunger pump for including it |
-
2019
- 2019-01-16 CN CN201910040982.XA patent/CN109737049B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004257296A (en) * | 2003-02-25 | 2004-09-16 | Maruyama Mfg Co Ltd | Valve system for reciprocating pump |
| CN201836040U (en) * | 2010-10-29 | 2011-05-18 | 成都西南水泵厂 | Hydraulic cylinder used for high-pressure reciprocating pump |
| CN105756880A (en) * | 2016-04-15 | 2016-07-13 | 宁波合力机泵有限公司 | Reciprocating plunger pump |
| CN105952633A (en) * | 2016-07-07 | 2016-09-21 | 天津市海盛泵业制造有限公司 | Straight-through combination valve applied to high-pressure reciprocation plunger pump hydraulic end |
| CN107842493A (en) * | 2017-10-24 | 2018-03-27 | 北京天地玛珂电液控制系统有限公司 | Fluid end assembly and the plunger pump for including it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109737049B (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102330677A (en) | Scroll compressor | |
| CN103415704B (en) | Swirl type cold compressor | |
| US11454240B2 (en) | Pump body assembly and compressor | |
| CN104088793B (en) | A kind of air compressor air intake control valve assembly | |
| US11873706B2 (en) | Fluid separating device | |
| US7156626B2 (en) | Double side action type reciprocating compressor | |
| CN204785477U (en) | Simple and easy jettison gear | |
| CN109737049A (en) | Plunger pump fluid power assembly | |
| US20240003459A1 (en) | Electromagnetic valve and electromagnetic valve assembly | |
| EP1764508A2 (en) | Compressor | |
| CN104180030B (en) | A kind of high pressure zero leakage linear sealing check-valves | |
| CN206468513U (en) | Membrane pump and water treatment facilities | |
| CN106401953B (en) | The assembly method of fluid ejection mechanisms, screw compressor and screw compressor | |
| CN207437321U (en) | Creeping motion type oil well pump compensator | |
| CN105650329A (en) | Ultrahigh-pressure large-caliber electromagnetic valve | |
| CN111608903A (en) | Liquid suction and discharge valve and working method thereof | |
| CN101672277B (en) | Positive displacement compressor | |
| CN212318282U (en) | Liquid suction and discharge valve | |
| CN205805857U (en) | Totally-enclosed vertical piston compressor | |
| JPS59136587A (en) | Piston | |
| CN110242542B (en) | Compressor exhaust mechanism and compressor thereof | |
| CN208614184U (en) | Valve locks press-loading apparatus | |
| CN207810347U (en) | A kind of connection sealing structure of Teflon application tank body | |
| CN205991037U (en) | There is the hydraulic oil container of side-mounted airtight oil back chamber | |
| CN110440003A (en) | One kind is based on pulsation performance inclusion seal device |
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 | ||
| CP03 | Change of name, title or address |
Address after: 101399 No.27, Linhe Development Zone, Shunyi District, Beijing Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Patentee after: Beijing coal technology Tianma Automation Technology Co., Ltd Address before: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee before: Beijing coal technology Tianma Automation Technology Co., Ltd |
|
| CP03 | Change of name, title or address |