CN206845455U - A kind of mud pump for petroleum drilling hydraulic cylinder structure - Google Patents
A kind of mud pump for petroleum drilling hydraulic cylinder structure Download PDFInfo
- Publication number
- CN206845455U CN206845455U CN201720790702.3U CN201720790702U CN206845455U CN 206845455 U CN206845455 U CN 206845455U CN 201720790702 U CN201720790702 U CN 201720790702U CN 206845455 U CN206845455 U CN 206845455U
- Authority
- CN
- China
- Prior art keywords
- locating slot
- piston bush
- fluid cylinder
- control valve
- cylinder body
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 9
- 239000003208 petroleum Substances 0.000 title claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 238000010992 reflux Methods 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of mud pump for petroleum drilling hydraulic cylinder structure, including fluid cylinder body, fluid cylinder body front end face sets at least two jets, lower surface sets refluxing opening, upper surface sets control valve connector, rear end face sets piston bush locating slot, wherein described refluxing opening, control valve connector and piston bush locating slot quantity are consistent with jet quantity, jet, refluxing opening, it is interconnected between control valve connector and piston bush locating slot by jet chamber, control valve connector separately sets at least one emergency pressure relief hole and connected with fluid cylinder body exterior, surface set position boss after fluid cylinder body corresponding to piston bush locating slot, piston bush locating slot uses step pore structure.This new structure is simple, and use, installation and dismounting are flexible, with good sealing and while bearing capacity, is favorably improved cylinder arrangement fault restoration and excludes efficiency, improve fluid cylinder stability in use and extend the effect of cylinder arrangement service life.
Description
Technical field
A kind of mud pump for petroleum drilling hydraulic cylinder structure is the utility model is related to, belongs to oil equipment technical field.
Background technology
At present during oil exploitation, slush pump is that one kind uses very universal and has important work to oil exploitation
Equipment, usage amount is very huge, but in the production and operation work of reality, the hydraulic cylinder part of such slush pump uses
Traditional mechanism, although the needs used can be met, reality use in find, the fluid cylinder of this traditional structure is set
It is standby, due to existing defects in structure, so as to cause the piston cylinder needs installed in piston bush fluid cylinder rear end face from fluid cylinder front end face
Be transported in the installation site of fluid cylinder rear end face, thus cause carry out piston bush installation process easily occur piston bush with
Collided between fluid cylinder inner surface, so as to cause fluid cylinder inner surface structure to be damaged, had a strong impact on the sealing property of fluid cylinder, so as to
Cause operation stability and the reliability of such slush pump relatively poor, and failture evacuation rate and regular maintenance efficiency are relatively low
Under, in addition, traditional hydraulic cylinder structure also causes the installment work labor intensity of piston bush big, and cost is high, and installment work is imitated
Rate and quality are relatively beneath, it is difficult to and meet the needs of actual use, therefore be directed to this problem, can there is an urgent need to develop one kind
Effective slush pump hydraulic cylinder structure, to meet the needs of actual use.
The content of the invention
The purpose of this utility model is to provide for a kind of mud pump for petroleum drilling hydraulic cylinder structure.
To reach above-mentioned purpose, the utility model is implemented according to following technical scheme：
A kind of mud pump for petroleum drilling hydraulic cylinder structure, including fluid cylinder body, fluid cylinder body front end face set at least two sprays
Loophole, lower surface set refluxing opening, and upper surface sets control valve connector, and rear end face sets piston bush locating slot, wherein described backflow
Mouth, control valve connector and piston bush locating slot quantity are consistent with jet quantity, and a jet, refluxing opening, one
Individual control valve connector and piston bush locating slot form a working group, jet, refluxing opening in working group, control valve
It is interconnected between connector and piston bush locating slot by jet chamber, jet chamber is in fluid cylinder body, jet and piston bush
Locating slot is coaxially distributed, and refluxing opening is coaxially distributed with control valve connector, and the axis between jet and piston bush locating slot is with returning
Head piece is mutually perpendicular to and intersected with the axis of control valve connector, and intersection point overlaps with jet chamber midpoint, in control valve connector
Surface sets connection screw thread, and control valve connector separately sets at least one emergency pressure relief hole and connected with fluid cylinder body exterior, emergency pressure relief
Axially bored line and fluid cylinder body upper surface are in 15 ° -60 ° angles, and surface set position is convex after fluid cylinder body corresponding to piston bush locating slot
Platform, positioning boss are coaxially distributed with piston bush locating slot, and piston bush locating slot total length is bigger by 0 than fluid cylinder body rear end face thickness-
10 millimeters, piston bush locating slot uses step pore structure, and is three-level stepped hole, and wherein one-level hole is embedded in its hole in positioning boss
Footpath is bigger than second hole aperture 10-40 millimeters, and second hole and three-level hole are in fluid cylinder body, and second hole passes through three-level hole
Connected with jet chamber, described second hole aperture ratio three-level hole aperture is big 30-60 millimeters, and described two level hole length is one-level
2-5 times of hole length, two level hole length are 1-3 times of three-level hole length.
Further, described connection screw thread uses buttless thread structure.
The utility model is simple in construction, and use, installation and dismounting are flexible, with good sealing and bearing capacity
While, traditional kind equipment is effectively overcome when carrying out piston bush installation, and piston bush needs the spray from fluid cylinder front end face
The drawbacks of loophole is installed, so as to effectively avoid the risk for causing damage in piston bush installation process to fluid cylinder inwall,
And while the installation cost and labor intensity of piston bush is greatly reduced, separately effectively raise the installation matter of piston bush
Amount and installation exercise efficiency, while also contribute to improve cylinder arrangement fault restoration and exclude efficiency, raising fluid cylinder uses stable
Property and extend cylinder arrangement service life effect.
Brief description of the drawings
Describe the utility model in detail with reference to the accompanying drawings and detailed description
Fig. 1 is the utility model structure diagram.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in figure 1, a kind of mud pump for petroleum drilling hydraulic cylinder structure, including fluid cylinder body 1, the front end face of fluid cylinder body 1
If at least two jets 2, lower surface sets refluxing opening 3, and upper surface sets control valve connector 4, and rear end face sets piston bush locating slot
5, wherein refluxing opening 3, control valve connector 4 and the quantity of piston bush locating slot 5 is consistent with the quantity of jet 2, and a jet
2nd, 3, control valve connectors 4 of a refluxing opening and piston bush locating slot 5 form a working group, the spray in working group
It is interconnected between loophole 2, refluxing opening 3, control valve connector 4 and piston bush locating slot 5 by jet chamber 6, jet chamber 6 is embedded in liquid
In cylinder body 1, jet 2 and piston bush locating slot 5 are coaxially distributed, and refluxing opening 3 is coaxially distributed with control valve connector 4, injection
Axis between mouth 2 and piston bush locating slot 5 is mutually perpendicular to and intersected with the axis of refluxing opening 3 and control valve connector 4, and intersection point
Overlapped with the midpoint of jet chamber 6, the inner surface of control valve connector 4 sets connection screw thread 7, and control valve connector 4 separately sets at least one answer
Anxious relief hole 8 and the ft connection of fluid cylinder body 1, the axis of emergency pressure relief hole 8 and the upper surface of fluid cylinder body 1 are in 15 ° -60 ° angles,
Surface set position boss 9 after fluid cylinder body 1 corresponding to piston bush locating slot 5, positioning boss 9 coaxially divides with piston bush locating slot 5
Cloth, the total length of piston bush locating slot 5 are bigger 0-10 millimeters than the rear end face thickness of fluid cylinder body 1, and piston bush locating slot 5 uses step
Pore structure, and be three-level stepped hole, wherein one-level hole 51 is embedded in its aperture big 10-40 of aperture ratio second hole 52 in positioning boss 9
Millimeter, second hole 52 and three-level hole 53 are embedded in fluid cylinder body 1, and second hole 52 is connected by three-level hole 53 with jet chamber 6,
52 aperture ratio three-level hole of second hole, 53 apertures are big 30-60 millimeters, and the length of second hole 52 is 2-5 times of the length of one-level hole 51, and two
Level hole 52 length is 1-3 times of the length of three-level hole 53.
In the present embodiment, described connection screw thread 7 uses buttless thread structure.
The utility model is simple in construction, and use, installation and dismounting are flexible, with good sealing and bearing capacity
While, traditional kind equipment is effectively overcome when carrying out piston bush installation, and piston bush needs the spray from fluid cylinder front end face
The drawbacks of loophole is installed, so as to effectively avoid the risk for causing damage in piston bush installation process to fluid cylinder inwall,
And while the installation cost and labor intensity of piston bush is greatly reduced, separately effectively raise the installation matter of piston bush
Amount and installation exercise efficiency, while also contribute to improve cylinder arrangement fault restoration and exclude efficiency, raising fluid cylinder uses stable
Property and extend cylinder arrangement service life effect.
It should be understood by those skilled in the art that the utility model is not restricted to the described embodiments, above-described embodiment and
Simply illustrate principle of the present utility model described in specification, on the premise of the spirit and scope of the utility model is not departed from,
The utility model also has various changes and modifications, and these changes and improvements both fall within claimed the scope of the utility model
It is interior.The utility model requires protection scope is by appended claims and its equivalent thereof.
Claims (2)
1. a kind of mud pump for petroleum drilling hydraulic cylinder structure, including fluid cylinder body, it is characterised in that described fluid cylinder body front end
Face sets at least two jets, and lower surface sets refluxing opening, and upper surface sets control valve connector, and rear end face sets piston bush locating slot,
Wherein described refluxing opening, control valve connector and piston bush locating slot quantity are consistent with jet quantity, and a jet,
One refluxing opening, a control valve connector and piston bush locating slot form a working group, in described working group
It is interconnected between jet, refluxing opening, control valve connector and piston bush locating slot by jet chamber, described jet chamber is embedded in
In fluid cylinder body, described jet and piston bush locating slot are coaxially distributed, and refluxing opening is coaxially distributed with control valve connector, institute
Axis between the jet and piston bush locating slot stated is mutually perpendicular to and intersected with the axis of refluxing opening and control valve connector, and
Intersection point overlaps with jet chamber midpoint, and described control valve connector inner surface sets connection screw thread, and control valve connector is separately set at least
One emergency pressure relief hole connects with fluid cylinder body exterior, described emergency pressure relief axially bored line and fluid cylinder body upper surface in 15 °-
60 ° of angles, surface set position boss after fluid cylinder body corresponding to described piston bush locating slot, described positioning boss and piston
Set locating slot is coaxially distributed, and described piston bush locating slot total length is bigger 0-10 millimeters than fluid cylinder body rear end face thickness, described
Piston bush locating slot use step pore structure, and be three-level stepped hole, wherein one-level hole is embedded in its aperture ratio in positioning boss
Second hole aperture is big 10-40 millimeters, second hole and three-level hole in fluid cylinder body, and second hole by three-level hole with penetrating
Chamber connection is flowed, described second hole aperture ratio three-level hole aperture is big 30-60 millimeters, and described two level hole length is grown for one-level hole
2-5 times of degree, two level hole length are 1-3 times of three-level hole length.
A kind of 2. mud pump for petroleum drilling hydraulic cylinder structure according to claim 1, it is characterised in that described connection spiral shell
Line uses buttless thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790702.3U CN206845455U (en) | 2017-07-03 | 2017-07-03 | A kind of mud pump for petroleum drilling hydraulic cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790702.3U CN206845455U (en) | 2017-07-03 | 2017-07-03 | A kind of mud pump for petroleum drilling hydraulic cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845455U true CN206845455U (en) | 2018-01-05 |
Family
ID=60804120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720790702.3U Expired - Fee Related CN206845455U (en) | 2017-07-03 | 2017-07-03 | A kind of mud pump for petroleum drilling hydraulic cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488141A (en) * | 2018-05-18 | 2018-09-04 | 徐世林 | It is a kind of to prevent the sucking of high-pressure slurry thorn leakage and fluid cylinder novel sealing structure is discharged |
-
2017
- 2017-07-03 CN CN201720790702.3U patent/CN206845455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488141A (en) * | 2018-05-18 | 2018-09-04 | 徐世林 | It is a kind of to prevent the sucking of high-pressure slurry thorn leakage and fluid cylinder novel sealing structure is discharged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20210703 |