CN209308947U - Novel combination type fracturing pump crosshead - Google Patents
Novel combination type fracturing pump crosshead Download PDFInfo
- Publication number
- CN209308947U CN209308947U CN201821362294.2U CN201821362294U CN209308947U CN 209308947 U CN209308947 U CN 209308947U CN 201821362294 U CN201821362294 U CN 201821362294U CN 209308947 U CN209308947 U CN 209308947U
- Authority
- CN
- China
- Prior art keywords
- crosshead
- end cap
- positioning surface
- hole
- mounting portion
- 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.)
- Active
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of novel combination type fracturing pump crossheads, including crosshead, end cap；End cap is removably connected in the mounting portion of crosshead, and the outer diameter of end cap and the internal diameter of mounting portion are interference fitted, the cylindrical shape that crosshead block is, it is axially opposed on its inner wall that two pieces of locating pieces are arranged in parallel, the opposite face of two pieces of locating pieces is connecting rod positioning surface for assembling pressure break pump rod, with the end face of connecting rod positioning surface Relative vertical is end cap positioning surface on locating piece；The capping of end cap ontology is equipped with pin hole, through-hole, end cap threaded hole, and one end of end cap ontology is equipped with the small rod positioning table for installing fracturing pump small rod.By the way that the crosshead of conventional monolithic shape and structure complexity is designed as split type structure, so that structure is simpler rationally, convenient for casting, effectively increase product qualification rate, and it is applicable in ultrasonic examination detection, yields is effectively ensured, to ensure that the stability of operation and the safety of production.
Description
Technical field
The utility model relates to pressure break pump technical field technical fields, and in particular to a kind of novel combination type fracturing pump cross
Head.
Background technique
Hydraulic fracturing technology is to realize one of oilfield reservoir transformation, the major measure of volume increase stable yields, can make oil and gas production
Increase several times to tens times.With the exploitation of shale gas, core component of the fracturing pump as fracturing complete sets of equipment requires to get over to it
Come higher, the reliability of fracturing pump directly influences the success or not of pressing crack construction.
Fracturing pump uses slider-crank mechanism principle, and the rotary motion of crankshaft is converted to the piston of plunger by crosshead
Formula linear reciprocating motion.Fracturing pump is transmitted in crosshead, each cross in operations involving high pressure in the propulsive thrust that plunger end generates
Power on head is therefore higher to the quality requirement of crosshead up to 100t.
Crosshead is all made of integral cast processing at this stage, since crosshead is complex-shaped, holds when using cast steel casting
It is also easy to produce defect, product qualification rate is low, and can not carry out ultrasound examination, and quality cannot ensure, underproof crosshead
It is likely to occur the case where scratching crosshead copper sheathing in use, ontology easily occurs when crosshead off quality is used for a long time
Cracking to cause pump case damage and the failure of whole pump, or even induces safety accident.
Summary of the invention
The purpose of this utility model provides a kind of split type knot convenient for casting aiming at defect of the existing technology
Structure, assembly is simple, reliable in quality, and can be applicable in the novel combination type fracturing pump crosshead of ultrasound examination.
The technical solution of the utility model is: novel combination type fracturing pump crosshead, including crosshead, end cap；
The crosshead include: crosshead block, end cap positioning surface, crosshead pin hole, connecting rod positioning surface, lock pin aperture,
Threaded hole, mounting portion, the cylindrical shape that the crosshead block is are axially opposed on the crosshead block inner wall to be arranged in parallel
Two pieces of locating pieces, the opposite face of two pieces of locating pieces are the connecting rod positioning surface for assembling pressure break pump rod, the locating piece
Upper and connecting rod positioning surface Relative vertical end face is end cap positioning surface, and the end cap positioning surface is equipped with lock pin aperture, threaded hole,
The crosshead block is equipped with crosshead pin hole, and the crosshead pin hole extends vertically through connecting rod locating piece, the crosshead sheet
It is equipped with mounting portion positioned at the side of end cap positioning surface on body, is located at mounting portion and crosshead pin hole on the crosshead block outer wall
Between be additionally provided with annular oil groove；
The end cap includes: end cap ontology, pin hole, through-hole, small rod positioning table, end cap threaded hole, the end cap ontology
Capping be equipped with pin hole, through-hole, end cap threaded hole, one end of the end cap ontology is equipped with for installing fracturing pump small rod
Small rod positioning table；
The end cap is removably connected in mounting portion, and the internal diameter of the outer diameter of end cap and mounting portion is interference fitted, described
The lock pin aperture on pin hole and crosshead block on end cap is correspondingly arranged, on the through-hole and crosshead block on the end cap
Threaded hole is correspondingly arranged.
Preferably, the crosshead block uses Nodular cast iron material.
Preferably, the end cap uses high-strength alloy steel material.
Preferably, mutually the place of passing through is equipped with groove structure to the connecting rod positioning surface with crosshead block internal diameter.
Compared with prior art, having the advantage that by the way that conventional monolithic shape and structure is complicated
Crosshead be designed as split type structure so that cross head design it is simpler rationally, convenient for casting, effectively increase product
Qualification rate, while can be used interchangeably with former crosshead, it is more convenient for replacement to install, crosshead block uses spheroidal graphite cast-iron material
Matter, high lubricating effect the case where effectivelying prevent using middle scuffing crosshead copper sheathing, and are applicable in ultrasonic examination detection, have
Effect ensure that yields, to ensure that the stability of operation and the safety of production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model assembled state schematic diagram；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
In figure: 10. end cap positioning surfaces, 11. crosshead pin holes, 12. oil grooves, 13. connecting rod positioning surfaces, 14. lock pin apertures,
15. threaded hole, 16. mounting portions, 21. end cap pin holes, 22. through-holes, 23. small rod positioning tables, 24. end cap threaded holes.
Specific embodiment
Here is that the present invention will be further described in conjunction with the accompanying drawings and embodiments.
Shown in referring to Fig.1, novel combination type fracturing pump crosshead, including crosshead, end cap, end cap are removably connected to ten
In the mounting portion 16 of prefix；
Crosshead main body 1 includes: crosshead block, end cap positioning surface 10, crosshead pin hole 11, connecting rod positioning surface 13, stops
Dynamic pin hole 14, threaded hole 15, mounting portion 16；The cylindrical shape that the crosshead block is uses Nodular cast iron material, Ji Nengti
For preferable lubricant effect, and it can guarantee integral strength, so that the case where effectivelying prevent using middle scuffing crosshead copper sheathing, is applicable in
Ultrasonic examination detection, effectively control product qualification rate.
Axially opposed on the crosshead block inner wall that two pieces of locating pieces are arranged in parallel, two pieces of locating pieces are opposite
Face is connecting rod positioning surface 13 for assembling pressure break pump rod, the end face on the locating piece with 13 Relative vertical of connecting rod positioning surface
For end cap positioning surface 10, the end cap positioning surface 10 is equipped with lock pin aperture 14, threaded hole 15, the threaded hole 15 be two and
The two sides of lock pin aperture 14 are located at, the crosshead block is equipped with crosshead pin hole 11, and the crosshead pin hole 11 hangs down
Directly run through connecting rod locating piece, is used to install the shaft of rotation connection pressure break pump rod, the cross in the crosshead pin hole 11
The side for being located at end cap positioning surface 10 on head ontology is equipped with mounting portion 16, and mounting portion 16 is specially the groove of ring-shaped, passes through peace
The cooperation in dress portion 16 and end cap positioning surface 10 can fix position end cap, the crosshead block outer wall in crosshead aperture
The upper oil groove 12 for being additionally provided with annular between mounting portion 16 and crosshead pin hole 11, the connecting rod positioning surface 13 and crosshead
Mutually the place of passing through is equipped with groove structure to ontology internal diameter, and the groove structure is convenient for the processing of connecting rod positioning surface 13.
The end cap includes: end cap ontology, pin hole 21, through-hole 22, small rod positioning table 23, end cap threaded hole 24, described
The capping of end cap ontology is equipped with pin hole 21, through-hole 22, end cap threaded hole 24, and one end of the end cap ontology is equipped with for installing
The small rod positioning table 23 of fracturing pump small rod, the end cap use high-strength alloy steel material, have high-intensitive and plasticity
And the cooperation of toughness.
Referring to shown in Fig. 2, Fig. 3, after assembly, end cap is removably connected in mounting portion 16, the pin hole 21 on the end cap
It is correspondingly arranged with the lock pin aperture 14 on crosshead block, the through-hole 22 on the end cap and the threaded hole 15 on crosshead block
It is correspondingly arranged, guarantees when installing small rod, bolt can be threaded into hole 15 by the through-hole 22 on end cap, be led to simultaneously
Crossing bolt again can be fastened together crosshead and end cap, while and end cap outer diameter and mounting portion 16 internal diameter be interference fitted,
Surface both is set to generate elastic pressure after assembly, thus by more fastening after crosshead and end cap assembly.
The crosshead of conventional monolithic shape and structure complexity is designed as split type structure by the utility model, solves tradition
Crosshead casts that difficulty is big, and product qualification rate is low etc. denounces so that novel combination type fracturing pump cross head design it is simpler
Rationally, convenient for casting, product qualification rate is effectively increased, while can be used interchangeably with former crosshead, replacement is more convenient for pacify
Dress.
The utility model is not limited to above-mentioned embodiment, within the knowledge of those skilled in the art,
The present invention can also be realized without departing from the purpose of the present invention. Make a variety of changes, and the content after variation still falls within the utility model
Protection scope.
Claims (4)
1. novel combination type fracturing pump crosshead, it is characterised in that: including crosshead, end cap；
The crosshead includes: crosshead block, end cap positioning surface (10), crosshead pin hole (11), connecting rod positioning surface (13), stops
Dynamic pin hole (14), threaded hole (15), mounting portion (16), the cylindrical shape that the crosshead block is, the crosshead block inner wall
Above axially opposed that two pieces of locating pieces are arranged in parallel, the opposite face of two pieces of locating pieces is the company for assembling pressure break pump rod
Bar positioning surface (13) with the end face of connecting rod positioning surface (13) Relative vertical is end cap positioning surface (10) on the locating piece, described
End cap positioning surface (10) is equipped with lock pin aperture (14), threaded hole (15), and the crosshead block is equipped with crosshead pin hole
(11), the crosshead pin hole (11) extends vertically through connecting rod locating piece, is located at end cap positioning surface (10) on the crosshead block
Side be equipped with mounting portion (16), on the crosshead block outer wall between mounting portion (16) and crosshead pin hole (11)
It is additionally provided with the oil groove (12) of annular；
The end cap includes: end cap ontology, pin hole (21), through-hole (22), small rod positioning table (23), end cap threaded hole (24),
The capping of the end cap ontology is equipped with pin hole (21), through-hole (22), end cap threaded hole (24), and one end of the end cap ontology is set
There is the small rod positioning table (23) for installing fracturing pump small rod；
The end cap is removably connected in mounting portion (16), and the outer diameter of end cap and the internal diameter of mounting portion (16) are interference fitted,
Pin hole (21) on the end cap is correspondingly arranged with the lock pin aperture (14) on crosshead block, the through-hole (22) on the end cap
It is correspondingly arranged with the threaded hole (15) on crosshead block.
2. novel combination type fracturing pump crosshead according to claim 1, it is characterised in that: the crosshead block uses
Nodular cast iron material.
3. novel combination type fracturing pump crosshead according to claim 1, it is characterised in that: the end cap is using high-intensitive
Alloy steel.
4. novel combination type fracturing pump crosshead according to claim 1, it is characterised in that: the connecting rod positioning surface (13)
Mutually the place of passing through is equipped with groove structure with crosshead block internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821362294.2U CN209308947U (en) | 2018-08-23 | 2018-08-23 | Novel combination type fracturing pump crosshead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821362294.2U CN209308947U (en) | 2018-08-23 | 2018-08-23 | Novel combination type fracturing pump crosshead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308947U true CN209308947U (en) | 2019-08-27 |
Family
ID=67669594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821362294.2U Active CN209308947U (en) | 2018-08-23 | 2018-08-23 | Novel combination type fracturing pump crosshead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209308947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454380A (en) * | 2019-09-04 | 2019-11-15 | 莱芜环球汽车零部件有限公司 | A kind of plunger pump crosshead and its machining manufacture |
| CN111022302A (en) * | 2019-12-29 | 2020-04-17 | 陕西航天动力高科技股份有限公司 | Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box |
-
2018
- 2018-08-23 CN CN201821362294.2U patent/CN209308947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454380A (en) * | 2019-09-04 | 2019-11-15 | 莱芜环球汽车零部件有限公司 | A kind of plunger pump crosshead and its machining manufacture |
| CN111022302A (en) * | 2019-12-29 | 2020-04-17 | 陕西航天动力高科技股份有限公司 | Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207935270U (en) | A kind of split type crosshead of liquid nitrogen pump | |
| CN209308947U (en) | Novel combination type fracturing pump crosshead | |
| CN105058025A (en) | Portable type hydraulic bearing mounting and dismounting device | |
| CN203317082U (en) | Circular tube drilling fixture | |
| CN201326603Y (en) | Telescopic cylinder | |
| CN202462322U (en) | Clutch assembly tool | |
| CN203809675U (en) | Piston pin of engine | |
| CN203035735U (en) | Connecting rod for diesel engine | |
| CN207377512U (en) | A kind of wear-resisting oil drill rocker | |
| CN206017096U (en) | A kind of mesohigh piston | |
| CN204804967U (en) | A piston for on engine | |
| CN201110357Y (en) | Crank-connecting rod mechanism for electric hammer | |
| CN211116901U (en) | Supporting leg oil cylinder | |
| CN203114448U (en) | Piston ring capable of avoiding scuffing of cylinder bore | |
| CN207393424U (en) | A kind of crosshead with bushing and oilhole | |
| CN219827447U (en) | Split connecting rod of large-displacement internal combustion engine | |
| RU157450U1 (en) | PISTON DIFFERENTIAL COMPRESSOR | |
| CN219570589U (en) | Connecting structure of connecting rod and cross head and fracturing pump | |
| CN210618441U (en) | Disconnect-type square head flange axle rudderstock forging | |
| CN208778380U (en) | A kind of composite hydraulic cylinder structure for hydraulic pumping unit | |
| CN209510477U (en) | A kind of lightweight single cylinder diesel | |
| CN201159156Y (en) | Upper body of oil pump connector | |
| CN203532084U (en) | Piston used for free piston engine | |
| CN205956193U (en) | Novel wear -resisting connecting rod of protecting against shock | |
| CN209426254U (en) | A kind of cylinder girder construction of large-tonnage ultra-high pressure hydraulic press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 257100 Shengli Industrial Zone, Dongying District, Shandong, Dongying Patentee after: Shandong Kerui oil and gas equipment Co.,Ltd. Address before: 257000 East Gate 1002, Dongying Road, Dongying, Shandong Patentee before: SHANDONG KERUI PUMP Co.,Ltd. |