CN101985925A - Durable drilling pump - Google Patents

Durable drilling pump Download PDF

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Publication number
CN101985925A
CN101985925A CN2010105748491A CN201010574849A CN101985925A CN 101985925 A CN101985925 A CN 101985925A CN 2010105748491 A CN2010105748491 A CN 2010105748491A CN 201010574849 A CN201010574849 A CN 201010574849A CN 101985925 A CN101985925 A CN 101985925A
Authority
CN
China
Prior art keywords
way
pressure gauge
discharge tube
discharging
frame
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.)
Pending
Application number
CN2010105748491A
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Chinese (zh)
Inventor
杨大平
罗军
王峰
陈阁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN2010105748491A priority Critical patent/CN101985925A/en
Publication of CN101985925A publication Critical patent/CN101985925A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of drilling pumps, and is a durable drilling pump, which includes a pedestal and a frame; the pedestal is fixedly equipped with the frame, the frame is internally equipped with a crank shaft assembly, a pinion shaft, a connecting rod, a cross head, a guide plate and a central draw bar, a right part of the frame is provided with a hydraulic end assembly, two ends of the crank shaft assembly respectively have at least one main bearing bolt, two ends of the main bearing bolt are equipped with nuts via threads, and a side of the central draw bar close to the cross head is equipped with a central draw bar seal corrugated sleeve. The invention is rational and compact in structure and convenient in use, not only improves tightness of the central draw bar, but also avoids repair of the frame caused by the cracked main bearing bolt, so that operation maintenance, examination and repair of the pump are convenient, and service life of the pump is prolonged.

Description

Durable drilling pump
Technical field
The present invention relates to the drilling pump technical field, is a kind of durable drilling pump.
Background technique
Drilling pump is widely used in the oil and gas well drilling scene, and its citation form is the piston type reciprocating pump, and main function is to carry the mud of high-voltage high-viscosity degree, big density.Working principle is that power passes through pinion shaft, drives bent axle, crank-connecting rod, and piston is moved reciprocatingly in cylinder sleeve, changes the volume in the fluid cylinder, finishes the suction and the discharge of mud.What domestic each elephant generally used at present is the F that 3NB is serial and petroleum machinery Co., Ltd in Baoji the produces series drilling pump that Lanzhou national oil well company produces, drilling well pump power end assembly comprises crank assembly, pinion shaft, connecting rod, crosshead, guide plate and center pull rod, it is installed in the frame in regular turn, during work, drive the crank assemblby running by pinion shaft, crosshead reciprocatingly slides on guide plate, make with oil hydraulic cylinder that crosshead is connected in the piston acting, thereby make drilling pump work.All have certain defective during the pump of two kinds of series uses at the scene, more durable as 3NB series drilling well pump power end assembly, the oil hydraulic cylinder of fluid end assembly stings leakage easily, and last water-stop step surface weares and teares easily; F series drilling pump fluid end assembly fluid cylinder is more durable, but the power end assembly breaks down easily, especially Main bearing bolt (abbreviation kingbolt) fault.The design of the box of F series pump kingbolt is on pump frame body, and the every end of kingbolt has only one, and kingbolt is connected with frame by the box screw thread on the frame.Kingbolt is often concentrated fatigue fracture because of screw thread stress.Cause directly after the fracture of most of kingbolts that the box slide fastener damages, cause the repair in shop of reverting of drilling pump frame multiple or scrap the repair cost costliness.If F series drilling pump stops up at the working site oil circuit,, input shaft is difficult to check the cleaning oil circuit to check the oil circuit connection block because of stopping.More than all easily leakage of oils of seal arrangement place of two kinds of pump center pull rod, the scene is difficult to handle.
Summary of the invention
The invention provides a kind of durable drilling pump, overcome the deficiency of above-mentioned prior art, it can effectively solve, and existing drilling pump is not durable, the problem of repair cost height, easy oil leakage.
Technological scheme of the present invention realizes by following measure: a kind of durable drilling pump comprises base and frame; On base, fixedly mount organic frame, crank assemblby, pinion shaft, connecting rod, crosshead, guide plate and center pull rod are installed in frame, right part in frame is equipped with the fluid end assembly, the two ends of crank assemblby have the Main bearing bolt of at least one respectively, the two ends of Main bearing bolt are equipped with nut by screw thread, seal radiation fins in center pull rod near center pull rod is installed on the side of crosshead.
Be further optimization and/or improvements below to the foregoing invention technological scheme:
The oil circuit connection block peep hole that at least one can be arranged on the frame of above-mentioned guide plate top.
On the trailing flank of above-mentioned and the corresponding frame of crosshead transparent crosshead port lid can be arranged.
The hinge-lid type bent axle handhole cover that at least one can be arranged on the frame of above-mentioned crank assemblby top.
On the above-mentioned hinge-lid type bent axle handhole cover ventilator cowling can be installed.
Above-mentioned fluid end assembly can comprise fluid cylinder assembly and discharge tube; On the fluid cylinder assembly, be installed with discharge tube, end at discharge tube is installed with the discharge five-way, be installed with shock absorber for output in second outlet of discharging five-way, be installed with emergency valve seat or pressure gauge stand in the 3rd outlet of discharging five-way, the other end at discharge tube is installed with pressure gauge stand or emergency valve seat, on emergency valve seat, be installed with safety valve, on the pressure gauge stand, be installed with pressure gauge, be installed with blind plate in the 4th outlet of discharging five-way, the filtering slurry net be installed at discharge five-way internal fixation.
The oil pump suction port place of above-mentioned lubricating fitting can be installed with magnet.
Reasonable and compact in structure of the present invention, easy to use, not only improved the sealing at center pull rod place, also avoid therefore not only being convenient to execute-in-place and safeguarding and check and repair because of the Main bearing bolt fracture makes the support body maintenance, also prolonged working life.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic representation of most preferred embodiment of the present invention.
Accompanying drawing 2 is the plan structure schematic representation of accompanying drawing 1.
Accompanying drawing 3 is the right TV structure schematic representation of accompanying drawing 1.
Accompanying drawing 4 is for discharging the main TV structure schematic representation of five-way among the present invention.
Accompanying drawing 5 is looked the sectional structure schematic representation for the master who discharges five-way among the present invention.
Coding in the accompanying drawing is respectively: 1 is base, and 2 is frame, and 3 is crank assemblby, 4 is pinion shaft, and 5 is connecting rod, and 6 is crosshead, 7 is guide plate, and 8 is center pull rod, and 9 is Main bearing bolt, 10 is nut, and 11 are center pull rod sealing radiation fins, and 12 is oil circuit connection block peep hole, 13 is transparent crosshead port lid, 14 is hinge-lid type bent axle handhole cover, and 15 is the fluid cylinder assembly, and 16 is discharge tube, 17 for discharging five-way, 18 is shock absorber for output, and 19 is emergency valve seat, and 20 is the pressure gauge stand, 21 is safety valve, 22 is pressure gauge, and 23 is the filtering slurry net, and 24 is magnet.
Embodiment
The present invention is not subjected to following embodiment's restriction, can determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Shown in accompanying drawing 1 to 3, this durable drilling pump comprises base 1 and frame 2; Fixed installation organic frame 2 on base 1, crank assemblby 3 is installed in frame 2, pinion shaft 4, connecting rod 5, crosshead 6, guide plate 7, center pull rod 8 and lubricating fitting, right part in frame 1 is equipped with the fluid end assembly, the Main bearing bolt 9 that at least one is arranged respectively at the two ends of crank assemblby 3, the two ends of Main bearing bolt 9 are equipped with nut 10 by screw thread, center pull rod sealing radiation fins 11 is installed on the seal arrangement of center pull rod 8 near a side of crosshead 6, like this, the box screw thread of Main bearing bolt 9 separates with frame 2 on nut 10, can in time change nut 10 flexibly when breaking down, do not influence frame 2, reduce repair cost, reduce and repair operation, and center pull rod sealing radiation fins 11 can play the secondary seal effect to center pull rod 8.
Can according to actual needs above-mentioned durable drilling pump be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, the oil circuit connection block peep hole 12 of at least one is arranged on the frame 1 of guide plate 7 tops, like this, open oil circuit connection block peep hole 12 and can not dismantle other accessories inspection oil circuits at the scene.
Shown in accompanying drawing 1,2, and on the trailing flank of crosshead 6 corresponding frames 1 transparent crosshead port lid 13 is arranged, like this, can see outside that when pump work crosshead 6 slides and lubrication circumstances on guide plate 7.
Shown in accompanying drawing 1,2, the hinge-lid type bent axle handhole cover 14 of at least one is arranged on the frame 1 of crank assemblby 3 tops, like this, be convenient to check at any time.
As required, on hinge-lid type bent axle handhole cover 14, ventilator cowling is installed, is convenient to high temperature discharge in the pump like this.
Shown in accompanying drawing 1 to 5, the fluid end assembly comprises fluid cylinder assembly 15 and discharge tube 16; On fluid cylinder assembly 15, be installed with discharge tube 16, end at discharge tube 16 is installed with discharge five-way 17, be installed with shock absorber for output 18 in second outlet of discharging five-way 17, be installed with emergency valve seat 19 or pressure gauge stand 20 in the 3rd outlet of discharging five-way 17, the other end at discharge tube 16 is installed with pressure gauge stand 20 or emergency valve seat 19, on emergency valve seat 19, be installed with safety valve 21, on the pressure gauge stand, be installed with pressure gauge 22, be installed with blind plate in the 4th outlet of discharging five-way 17, at discharge five-way 17 internal fixation filtering slurry net 23 is installed, can gain in strength by install discharging five-way 17, avoiding high-pressure slurry to sting leakage problem easily at the oil hydraulic cylinder place of fluid end assembly.And convenient the inspection changed filtering slurry net 23, also emergency valve seat 19 and pressure gauge stand 20 can be needed to change the position with the scene.
As shown in Figure 1, the oil pump suction port place of lubricating fitting is installed with magnet 24, and like this, magnet 24 is the iron powder in the adsorpting lubrication oil at any time, cleaning lubricant oil.
Above technical characteristics has constituted most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.

Claims (10)

1. a durable drilling pump comprises base and frame; On base, fixedly mount organic frame, crank assemblby, pinion shaft, connecting rod, crosshead, guide plate, center pull rod and lubricating fitting are installed in frame, right part in frame is equipped with the fluid end assembly, the two ends that it is characterized in that crank assemblby have the Main bearing bolt of at least one respectively, the two ends of Main bearing bolt are equipped with nut by screw thread, and center pull rod sealing radiation fins is installed on the seal arrangement of center pull rod near a side of crosshead.
2. durable drilling pump according to claim 1 is characterized in that having on the frame of guide plate top at least one oil circuit connection block peep hole.
3. durable drilling pump according to claim 1 and 2 is characterized in that on the trailing flank with the corresponding frame of crosshead transparent crosshead port lid being arranged.
4. durable drilling pump according to claim 3 is characterized in that having on the frame of crank assemblby top at least one hinge-lid type bent axle handhole cover.
5. durable drilling pump according to claim 3 is characterized in that on the hinge-lid type bent axle handhole cover ventilator cowling being installed.
6. durable drilling pump according to claim 1 and 2 is characterized in that the fluid end assembly comprises fluid cylinder assembly and discharge tube; On the fluid cylinder assembly, be installed with discharge tube, end at discharge tube is installed with the discharge five-way, be installed with shock absorber for output in second outlet of discharging five-way, be installed with emergency valve seat or pressure gauge stand in the 3rd outlet of discharging five-way, the other end at discharge tube is installed with pressure gauge stand or emergency valve seat, on emergency valve seat, be installed with safety valve, on the pressure gauge stand, be installed with pressure gauge, be installed with blind plate in the 4th outlet of discharging five-way, the filtering slurry net be installed at discharge five-way internal fixation.
7. durable drilling pump according to claim 3 is characterized in that the fluid end assembly comprises fluid cylinder assembly and discharge tube; On the fluid cylinder assembly, be installed with discharge tube, end at discharge tube is installed with the discharge five-way, be installed with shock absorber for output in second outlet of discharging five-way, be installed with emergency valve seat or pressure gauge stand in the 3rd outlet of discharging five-way, the other end at discharge tube is installed with pressure gauge stand or emergency valve seat, on emergency valve seat, be installed with safety valve, on the pressure gauge stand, be installed with pressure gauge, be installed with blind plate in the 4th outlet of discharging five-way, the filtering slurry net be installed at discharge five-way internal fixation.
8. durable drilling pump according to claim 4 is characterized in that the fluid end assembly comprises fluid cylinder assembly and discharge tube; On the fluid cylinder assembly, be installed with discharge tube, end at discharge tube is installed with the discharge five-way, be installed with shock absorber for output in second outlet of discharging five-way, be installed with emergency valve seat or pressure gauge stand in the 3rd outlet of discharging five-way, the other end at discharge tube is installed with pressure gauge stand or emergency valve seat, on emergency valve seat, be installed with safety valve, on the pressure gauge stand, be installed with pressure gauge, be installed with blind plate in the 4th outlet of discharging five-way, the filtering slurry net be installed at discharge five-way internal fixation.
9. durable drilling pump according to claim 5 is characterized in that the fluid end assembly comprises fluid cylinder assembly and discharge tube; On the fluid cylinder assembly, be installed with discharge tube, end at discharge tube is installed with the discharge five-way, be installed with shock absorber for output in second outlet of discharging five-way, be installed with emergency valve seat or pressure gauge stand in the 3rd outlet of discharging five-way, the other end at discharge tube is installed with pressure gauge stand or emergency valve seat, on emergency valve seat, be installed with safety valve, on the pressure gauge stand, be installed with pressure gauge, be installed with blind plate in the 4th outlet of discharging five-way, the filtering slurry net be installed at discharge five-way internal fixation.
10. durable drilling pump according to claim 9 is characterized in that the oil pump suction port place of lubricating fitting is installed with magnet.
CN2010105748491A 2010-12-06 2010-12-06 Durable drilling pump Pending CN101985925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105748491A CN101985925A (en) 2010-12-06 2010-12-06 Durable drilling pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105748491A CN101985925A (en) 2010-12-06 2010-12-06 Durable drilling pump

Publications (1)

Publication Number Publication Date
CN101985925A true CN101985925A (en) 2011-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105748491A Pending CN101985925A (en) 2010-12-06 2010-12-06 Durable drilling pump

Country Status (1)

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CN (1) CN101985925A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140116215A (en) * 2012-01-24 2014-10-01 가부시키가이샤 유테크 Joint including connection surface, pipe including pipe joint, and piping structure including same
CN114856954A (en) * 2022-07-07 2022-08-05 中建环能科技股份有限公司 Piston pump and wastewater treatment device with same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2068148A5 (en) * 1969-11-28 1971-08-20 Elf Drilling mud pumps valve chamber seal system
JPH02102394A (en) * 1988-10-07 1990-04-13 Yushi Hayashi Mud lifting pump having large capacity
CN2391031Y (en) * 1999-10-09 2000-08-09 吴立东 Safety valve for antifreezing mud pump
CN1718995A (en) * 2005-05-17 2006-01-11 江苏工业学院 System of detecting state and failure diagnosis of oil well drill pump
US20090092510A1 (en) * 2007-10-05 2009-04-09 Weatherford/Lamb, Inc. Quintuplex Mud Pump
CN201236833Y (en) * 2008-07-25 2009-05-13 刘宝钧 Light slush pump with novel structure
CN201884253U (en) * 2010-12-06 2011-06-29 中国石油集团西部钻探工程有限公司 Durable drill pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2068148A5 (en) * 1969-11-28 1971-08-20 Elf Drilling mud pumps valve chamber seal system
JPH02102394A (en) * 1988-10-07 1990-04-13 Yushi Hayashi Mud lifting pump having large capacity
CN2391031Y (en) * 1999-10-09 2000-08-09 吴立东 Safety valve for antifreezing mud pump
CN1718995A (en) * 2005-05-17 2006-01-11 江苏工业学院 System of detecting state and failure diagnosis of oil well drill pump
US20090092510A1 (en) * 2007-10-05 2009-04-09 Weatherford/Lamb, Inc. Quintuplex Mud Pump
CN201236833Y (en) * 2008-07-25 2009-05-13 刘宝钧 Light slush pump with novel structure
CN201884253U (en) * 2010-12-06 2011-06-29 中国石油集团西部钻探工程有限公司 Durable drill pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140116215A (en) * 2012-01-24 2014-10-01 가부시키가이샤 유테크 Joint including connection surface, pipe including pipe joint, and piping structure including same
CN104081103A (en) * 2012-01-24 2014-10-01 优铁工有限公司 Joint including connection surface, pipe including pipe joint, and piping structure including same
CN104081103B (en) * 2012-01-24 2016-12-21 优铁工有限公司 The joint with joint face, the pipe with pipe joint and the matched tube structure being made up of them
US9976679B2 (en) 2012-01-24 2018-05-22 U-Tec Co., Ltd. Joint including connection surface, pipe including pipe joint, and piping structure including same
KR101994244B1 (en) 2012-01-24 2019-09-30 가부시키가이샤 유테크 Joint including connection surface, pipe including pipe joint, and piping structure including same
CN114856954A (en) * 2022-07-07 2022-08-05 中建环能科技股份有限公司 Piston pump and wastewater treatment device with same

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Application publication date: 20110316