CN201818454U - Five-cylinder single-acting slurry pump - Google Patents

Five-cylinder single-acting slurry pump Download PDF

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Publication number
CN201818454U
CN201818454U CN2010202825311U CN201020282531U CN201818454U CN 201818454 U CN201818454 U CN 201818454U CN 2010202825311 U CN2010202825311 U CN 2010202825311U CN 201020282531 U CN201020282531 U CN 201020282531U CN 201818454 U CN201818454 U CN 201818454U
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CN
China
Prior art keywords
assembly
fixed
eccentric wheel
gear
bearing
Prior art date
Application number
CN2010202825311U
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Chinese (zh)
Inventor
胡俊成
黄新杰
周东亮
李乃峰
郝子轩
Original Assignee
河北华北石油荣盛机械制造有限公司
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Priority to CN2010202825311U priority Critical patent/CN201818454U/en
Application granted granted Critical
Publication of CN201818454U publication Critical patent/CN201818454U/en

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Abstract

The utility model provides a five-cylinder single-acting slurry pump which is applied to the technical field of oil drilling equipment. A tank-type rack assembly is internally fixed with a crankshaft assembly and a transmission shaft assembly, wherein a crankshaft of the crankshaft assembly is provided with an eccentric wheel; the external wall of the eccentric wheel is provided with a rolling bearing; the rolling bearing is connected with a crosshead assembly by a connecting rod; the crosshead assembly is connected with a piston by a piston rod; the front end of the rack assembly is fixed with a hydraulic end assembly; the crankshaft assembly comprises the crankshaft, a crankshaft main bearing, a left-rotation gear, a middle bearing, a right-rotation gear and the rolling bearing; the crankshaft main bearing is fixed at two ends of the crankshaft; five eccentric wheels are fixed in parallel on the crankshaft; and five rolling bearings are connected with five crosshead assemblies by five connecting rods. The five-cylinder single-acting slurry pump has the effects that the suction and discharge of slurry can be realized, and the requirement of drilling operation in an oil field can be met. Compared with the existing three-cylinder drilling pump with the same power and widely applied to the oil field, the diameter dimension and the weight of the crankshaft are reduced, and the crankshaft can run stably; and for the slurry pump, the weight is reduced, the displacement is increased, and the fluctuation of sucking and discharging pressure is small.

Description

Five cylinder single-acting slurry pump
Technical field
The utility model relates to the oil-well drilling equipment technical field, and particularly drilling mud pump is a kind of five cylinder single-acting drilling pumps.
Background technique
The crank throw bearing of present five cylinder single-acting pumps is split plain bearing, and five cylinder pumps are usually used in pressure break, water filling, the well workover construction operation.Because the sliding bearing accuracy of manufacturing height of five cylinder single-acting pumps, the service condition harshness can not well adapt to drillng operation.Usually adopt triplex single action pump in the wellbore construction.
The model utility content
The purpose of this utility model is: a kind of five novel cylinder single-acting drilling mud pumps are provided, adapt to the demand of oil drilling.Compare with widely used three cylinder drilling pumps with constant power on the present oil field, the diameter of axle size and the weight of bent axle reduce, and running steadily; Overall dimensions reduces, weight saving, discharge capacity increase, the suction pressure surge is little.
The technical solution adopted in the utility model is: five cylinder single-acting drilling pumps, mainly form by support assembly, crank assemblby, driving-shaft assembly, cross head assembly and fluid end assembly.At box-type support assembly internal fixation crank assemblby and driving-shaft assembly are arranged, crank assemblby is fixed on the support assembly biside plate by the two ends crankshaft main bearing, also is fixed on two intermediate plates of support assembly by two intermediate bearings.Driving-shaft assembly by bearing fixing on the support assembly biside plate; The gear engagement that gear of fixing on the driving-shaft assembly and crank assemblby are fixing, driving-shaft assembly drive the crank assemblby rotation, on the bent axle of crank assemblby eccentric wheel are arranged, and on the eccentric outer wall rolling bearing are arranged, and rolling bearing connects cross head assembly by connecting rod.Cross head assembly connects piston by piston rod; Front end at support assembly is fixed with the fluid end assembly.It is characterized in that: be fixed with two driving gears on the described driving-shaft assembly; Two driving gears respectively with the gear engagement that is fixed on the crank assemblby.Described crank assemblby comprises bent axle, crankshaft main bearing, left-handed gear, intermediate bearing, dextrorotation gear and eccentric wheel rolling bearing.Crankshaft main bearing is fixed on the two ends of bent axle, is fixed with five eccentric wheels on the bent axle side by side, on the bent axle and be fixed with the dextrorotation gear between first eccentric wheel of left number and second eccentric wheel; On the bent axle and between the 4th eccentric wheel of left number and the 5th eccentric wheel, be fixed with left-handed gear.Left-handed gear and dextrorotation gear respectively with driving-shaft assembly on two fixing driving gears engagements.On the bent axle and between second eccentric wheel of left number and the 3rd eccentric wheel, fixing an intermediate bearing; On the bent axle and between the 3rd eccentric wheel of left number and the 4th eccentric wheel, fixing an intermediate bearing.Be fixed with rolling bearing respectively on five eccentric outer walls, five rolling bearings connect five cross head assemblies by five connecting rods.Five cross head assemblies connect five pistons respectively by five piston rods; Front end at support assembly is fixed with the fluid end assembly.The piston rod to-and-fro motion drives reciprocating motion of the pistons, realizes suction mud by the fluid end assembly.
Described left-handed gear and dextrorotation gear are fixed on the bent axle by gear land and adpting flange respectively.
Described gear land is the split insert structure, earlier gear is connected disk body during installation and is contained on the adpting flange, will insert and gear land body and function bolt links into an integrated entity again.
Described five eccentric wheels, the distance between adjacent two eccentric wheels equates.The size of five eccentric shaft bearings is big or small identical with two intermediate bearings.Five big or small identical that the eccentric wheel external diameter is big or small and two intermediate bearing places of crankshaft installed are round.
Adjacent two eccentric phase places (angle) difference is 144 °.
The beneficial effects of the utility model are: five cylinder single-acting drilling pumps can be realized suction mud, can satisfy the demand of oil drilling.Compare with widely used three cylinder drilling pumps with constant power on the present oil field, the diameter of axle size and the weight of bent axle reduce, and running steadily; Overall dimensions reduces, weight saving, discharge capacity increase, the suction pressure surge is little.
Description of drawings
Fig. 1 is the plan structure generalized section of the utility model five cylinder single-acting drilling pumps.
Fig. 2 is the bent axle graphics of the utility model five cylinder single-acting drilling pumps.
Among Fig. 1,1. support assembly, 2. crank assemblby, 3. driving-shaft assembly, 4. cross head assembly, 5. fluid end assembly, 6. driving gear, 7. connecting rod, 8. rolling bearing, 9. piston rod, 10. crankshaft main bearing, 11. left-handed gears, 12. intermediate bearings, 13. dextrorotation gears.
Embodiment
Embodiment 1: with one five cylinder single-acting drilling pump is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model five cylinder single-acting drilling pumps mainly are made up of support assembly 1, crank assemblby 2, driving-shaft assembly 3, cross head assembly 4 and fluid end assembly 5.At box-type support assembly 1 internal fixation crank assemblby 2 and driving-shaft assembly 3 are arranged.Crank assemblby 2 is fixed on support assembly 1 biside plate by bearings at both ends 10, also is fixed on two intermediate plates of support assembly by two intermediate bearings 12.Driving-shaft assembly 3 by bearing fixing on support assembly 1 biside plate; The gear engagement that gear of fixing on the driving-shaft assembly 3 and crank assemblby 2 are fixed, driving-shaft assembly 3 drive crank assemblbies 2 rotations.Eccentric wheel 2.2 is arranged on the crank assemblby 2, rolling bearing 8 is arranged on the outer wall of eccentric wheel 2.2, rolling bearing 8 connects cross head assembly 4 by connecting rod 7.Cross head assembly 4 connects piston by piston rod 9; Be fixed with fluid end assembly 5 at support assembly 1 front end.
Be fixed with two driving gears 6 on the described driving-shaft assembly 3; Two driving gears 6 respectively with the gear engagement that is fixed on the crank assemblby 2.Described crank assemblby 2 comprises bent axle 2.1, crankshaft main bearing 10, left-handed gear 11, intermediate bearing 12, dextrorotation gear 13 and rolling bearing 8.Crankshaft main bearing 10 is fixed on the two ends of bent axle 2.1, is fixed with five eccentric wheels 2.2 on the bent axle 2.1 side by side, and the distance between adjacent two eccentric wheels 2.2 equates that the phase place of adjacent two eccentric wheels 2.2 (angle) difference is 144 °.On the bent axle 2.1 and between first eccentric wheel 2.2 of left number and second eccentric wheel 2.2, be fixed with dextrorotation gear 13; On the bent axle 2.1 and between the 4th eccentric wheel 2.2 of left number and the 5th eccentric wheel 2.2, be fixed with left-handed gear 11.Left-handed gear 11 and dextrorotation gear 13 are fixed on the bent axle 2.1 by gear land 2.3 and adpting flange 2.4 respectively.Left-handed gear 11 and dextrorotation gear 12 respectively with driving-shaft assembly 3 on fixing two driving gears, 6 engagements.On the bent axle 2.1 and between second eccentric wheel 2.2 of left number and the 3rd eccentric wheel 2.2, fixing an intermediate bearing 12; On the bent axle 2.1 and between the 3rd eccentric wheel 2.2 of left number and the 4th eccentric wheel 2.2, fixing an intermediate bearing 12.The external diameter of five eccentric wheels 2.2 is identical with the external diameter of two circles 2.6 that intermediate bearing is installed.Be fixed with 8, five rolling bearings of rolling bearing 8 on the outer wall of five eccentric wheels 2.2 respectively and connect five cross head assemblies 4 by five connecting rods 7.Five cross head assemblies 4 connect five pistons respectively by five piston rods 9; Front end at support assembly 1 is fixed with fluid end assembly 5.

Claims (6)

1. cylinder single-acting slurry pump, mainly form by support assembly (1), crank assemblby (2), driving-shaft assembly (3), cross head assembly (4) and fluid end assembly (5), at box-type support assembly (1) internal fixation crank assemblby (2) and driving-shaft assembly (3) are arranged, crank assemblby (2) is fixed on support assembly (1) biside plate by two ends crankshaft main bearing (10), also be fixed on two intermediate plates of support assembly (1) by two intermediate bearings (12), driving-shaft assembly (3) by bearing fixing on support assembly (1) biside plate; Driving-shaft assembly (3) is gone up fixing gear and the fixing gear engagement of crank assemblby (2), driving-shaft assembly (3) drives crank assemblby (2) rotation, on the bent axle (2.1) of crank assemblby (2) eccentric wheel (2.2) is arranged, rolling bearing (8) is arranged on the outer wall of eccentric wheel (2.2), rolling bearing (8) connects cross head assembly (4) by connecting rod (7), and cross head assembly (4) connects piston by piston rod (9); Front end at support assembly (1) is fixed with fluid end assembly (5), it is characterized in that: be fixed with two driving gears (6) on the described driving-shaft assembly (3); Two driving gears (6) respectively with the gear engagement that is fixed on the bent axle (2.1); Described crank assemblby (2) comprises bent axle (2.1), crankshaft main bearing (10), left-handed gear (11), intermediate bearing (12), dextrorotation gear (13) and rolling bearing (8), crankshaft main bearing (10) is fixed on the two ends of bent axle (2.1), be fixed with five eccentric wheels (2.2) on the bent axle (2.1) side by side, go up and between first eccentric wheel (2.2) of left number and second eccentric wheel (2.2), be fixed with dextrorotation gear (13) at bent axle (2.1); Go up and between the 4th eccentric wheel (2.2) of left number and the 5th eccentric wheel (2.2), be fixed with left-handed gear (11) at bent axle (2.1), left-handed gear (11) and dextrorotation gear (13) are gone up fixing two driving gears (6) engagement with driving-shaft assembly (3) respectively, go up and fixing an intermediate bearing (12) between second eccentric wheel (2.2) of left number and the 3rd eccentric wheel (2.2) at bent axle (2.1); Go up and between the 3rd eccentric wheel (2.2) of left number and the 4th eccentric wheel (2.2), fixing an intermediate bearing (12) at bent axle (2.1), be fixed with rolling bearing (8) on the outer wall of five eccentric wheels (2.2) respectively, five rolling bearings (8) connect five cross head assemblies (4) by five connecting rods (7), and five cross head assemblies (4) connect five pistons respectively by five piston rods (9); Front end at support assembly (1) is fixed with fluid end assembly (5).
2. five cylinder single-acting slurry pump according to claim 1 is characterized in that: described left-handed gear (11) and dextrorotation gear (13) are fixed on the bent axle (2.1) by gear land (2.3) and adpting flange (2.4) respectively.
3. five cylinder single-acting slurry pump according to claim 1 is characterized in that: described five eccentric wheels (2.2), the distance between adjacent two eccentric wheels (2.2) equates.
4. five cylinder single-acting slurry pump according to claim 1, it is characterized in that: the external diameter of five eccentric wheels (2.2) is identical.
5. five cylinder single-acting slurry pump according to claim 1 is characterized in that: the size of five eccentric wheel rolling bearings (8) is big or small identical with two intermediate bearings (12).
6. according to claim 1,2,3,4 or 5 described five cylinder single-acting slurry pump, it is characterized in that: the phase difference of adjacent two eccentric wheels (2.6) is 144 °.
CN2010202825311U 2010-08-05 2010-08-05 Five-cylinder single-acting slurry pump CN201818454U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202825311U CN201818454U (en) 2010-08-05 2010-08-05 Five-cylinder single-acting slurry pump

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Application Number Priority Date Filing Date Title
CN2010202825311U CN201818454U (en) 2010-08-05 2010-08-05 Five-cylinder single-acting slurry pump

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CN201818454U true CN201818454U (en) 2011-05-04

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235347A (en) * 2011-06-08 2011-11-09 孙茂意 Vertical hydraulic borehole pump
CN102808751A (en) * 2012-06-13 2012-12-05 宝鸡航天动力泵业有限公司 Oilfield high-flow reciprocating water injection pump
CN103671089A (en) * 2013-08-22 2014-03-26 宝鸡航天动力泵业有限公司 Novel power end of three-cylinder tailing filling pulp pump
CN105276122A (en) * 2015-09-24 2016-01-27 北京天地玛珂电液控制系统有限公司 Five-plunger emulsion pump
CN105422405A (en) * 2015-12-28 2016-03-23 中国科学院苏州生物医学工程技术研究所 Metering pump
CN110905907A (en) * 2019-12-06 2020-03-24 成都鑫泽机械有限公司 Welding crankshaft suitable for five-cylinder drilling mud pump and welding method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235347A (en) * 2011-06-08 2011-11-09 孙茂意 Vertical hydraulic borehole pump
CN102235347B (en) * 2011-06-08 2015-05-13 孙茂意 Vertical hydraulic borehole pump
CN102808751A (en) * 2012-06-13 2012-12-05 宝鸡航天动力泵业有限公司 Oilfield high-flow reciprocating water injection pump
CN103671089A (en) * 2013-08-22 2014-03-26 宝鸡航天动力泵业有限公司 Novel power end of three-cylinder tailing filling pulp pump
CN105276122A (en) * 2015-09-24 2016-01-27 北京天地玛珂电液控制系统有限公司 Five-plunger emulsion pump
CN105422405A (en) * 2015-12-28 2016-03-23 中国科学院苏州生物医学工程技术研究所 Metering pump
CN110905907A (en) * 2019-12-06 2020-03-24 成都鑫泽机械有限公司 Welding crankshaft suitable for five-cylinder drilling mud pump and welding method thereof

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Granted publication date: 20110504