CN105156292A - Slider crank mechanism multi-cylinder slurry pump - Google Patents
Slider crank mechanism multi-cylinder slurry pump Download PDFInfo
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- CN105156292A CN105156292A CN201510667639.XA CN201510667639A CN105156292A CN 105156292 A CN105156292 A CN 105156292A CN 201510667639 A CN201510667639 A CN 201510667639A CN 105156292 A CN105156292 A CN 105156292A
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- slurry pump
- sliding
- cylinder
- mainframe
- chute
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Abstract
A slider crank mechanism multi-cylinder slurry pump comprises piston cylinders, a main rack and a crankshaft arranged in the center of the main rack. The multiple piston cylinders are symmetrically arranged on the two sides of the main rack, one end of an intermediate rod is connected with piston rods of the piston cylinders in a clamped mode, and the other end of the intermediate rod is installed on the two outer side walls of a sliding groove. Abrasion-resistant sliding plates are installed on the two inner side walls of the sliding groove respectively, the sliding faces of the abrasion-resistance sliding plates are in sliding fit with sliding faces of crank sliders in an attached mode, and the crank sliders are assembled on crank bearings. A lower guiding sliding block is installed at the bottom of the part, below the crankshaft, of the main rack, and the upper end face of the lower guiding sliding block is in sliding fit with the bottom face of the sliding groove in an attached mode. A slider crank mechanism is utilized for changing the traditional mode that only three times of sucking and discharging are completed into the current mode that in the process of rotating the crankshaft by one circle, multiple times, such as six times, of sucking and discharging are completed, the sucking and discharging efficiency is greatly improved, the area occupied by the slurry pump is saved, and the slider crank mechanism multi-cylinder slurry pump has great significance for an ocean platform.
Description
Technical field
The present invention relates to drilling mud pump technical field, three a kind of with traditional specifically cylinders
The slidercrank mechanism multi-cylinder slurry pump that the slurry pump of reciprocating connecting rod is different.
Background technique
Slurry pump is when drilling well for circulating mud and injection cementing concrete, and a main dispatch flushing fluid, with cooling drill bit at the bottom of flushing manhole, prevents cave-in, and landwaste is carried to the effect on ground.The common structure of slurry pump is three cylinder single-action reciprocating structures, and this structure is the left side of whole pump is power end part, and right side is fluid end part.Power end part is by driving-shaft assembly, the formations such as crank assemblby, bent axle is the key member of power transmission, the structure of bent axle is made up of the eccentric wheel of 3 differences 120 degree mounted thereto and bull gear flange plate, when in the process that crankshaft rotating one is enclosed, each eccentric wheel drivening rod and crosshead mechanism, again power is transported to piston, thus complete suction and the discharge process of a mud, so three eccentric wheels also can only complete suction and the discharge (concrete schematic diagram is as shown in accompanying drawing 1a, 1b) of 3 times in the process of circle in crankshaft rotating.This traditional slurry pump due to by the restriction of its driving mechanism, also exists the efficiency that slurry pump sucks and discharge low always, floor space is comparatively large, crosshead and complicated etc. the defect of guide plate structure.
Summary of the invention
The invention provides a kind of slidercrank mechanism multi-cylinder slurry pump, low with the efficiency solving suction that traditional three cylinder reciprocating connecting rods cause due to the restriction of its drive mechanism and discharge, floor space is comparatively large, crosshead and complicated etc. the problem of guide plate structure.
For achieving the above object, the technical solution used in the present invention is:
A kind of slidercrank mechanism multi-cylinder slurry pump, comprises the bent axle that piston cylinder, mainframe and mainframe central authorities are arranged, and piston cylinder has multiple and is symmetricly set on the both sides of mainframe; One end of Jie's bar and the piston rod clip connected of piston cylinder, the other end is arranged on chute two outer side wall; This chute two madial wall installs wear-resistant slide plate respectively, and the slip surface of this wear-resistant slide plate and the slip surface laminating of crank block are slided and are joined, and crank block is fitted on crankshaft bearing; Lower guide runner is arranged on the bottom of the mainframe below bent axle, and fits sliding joining in lower guide runner upper-end surface and chute bottom surface.
Described piston cylinder is six, and symmetry is distributed on the both sides of mainframe, forms slidercrank mechanism six cylinder slurry pump.
The present invention innovates from driving mechanism, utilize slidercrank mechanism tradition can only be completed the suction of 3 times and discharge and bring up in the process of enclosing when crankshaft rotating one suction and the discharge that complete 6 times, suction expulsion efficiency is improved greatly, and saving the floor space of slurry pump, this has important meaning on ocean platform.
Accompanying drawing explanation
Fig. 1 a is Conventional mud pump drive structural principle schematic diagram;
Fig. 1 b is Conventional mud pump drive structural principle floor map;
Fig. 2 a is principle of the invention schematic diagram;
Fig. 2 b is principle of the invention floor map;
Fig. 3 is structural representation sketch of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
As shown in Figure 3, be described for six cylinder slurry pump.A kind of slidercrank mechanism six cylinder slurry pump, the multi cylinderpump adopting slidercrank mechanism, in order to substitute the slurry pump of traditional reciprocal connecting rod of three cylinders: it is made up of mainframe 1, Jie's bar 2, chute 3, wear-resistant slide plate 4, lower guide runner 5, crank block 6, chute lid 7, piston cylinder etc.Its connection is: piston cylinder has six and is symmetricly set on the both sides of mainframe 1; One end of Jie's bar 2 and the piston rod clip connected of piston cylinder, the other end is arranged on chute 3 liang of outer side walls; This chute 3 liang of madial walls install wear-resistant slide plate 4 respectively, and the slip surface of this wear-resistant slide plate 4 and the slip surface laminating of crank block 6 are slided and are joined, and crank block 6 is fitted on crankshaft bearing; Lower guide runner 5 is arranged on the bottom of the mainframe 1 below bent axle, and fits sliding joining in lower guide runner 5 upper-end surface and chute 3 bottom surface;
On described chute 3, chute lid 7 installed by terminal bolt, forms the sliding groove structure closed.
Be compared to traditional reciprocal connecting rod of three cylinders, the improvement that the present invention does is as follows:
A: redesign mainframe 1, whole mainframe adopts welded-steel plate construction, eliminates stress after welding, and its original traditional one-sided fluid end is connected the fluid end being designed to Bilateral Symmetry structure, and the position and the position, stoste power end that connect fluid end are measure-alike.The bearing of welded and installed transmission shaft bearing and crankshaft bearing in the middle of frame.In addition, because the present invention does not need crosshead and guide plate part, so the installation cross guide plate part of former Conventional carriers inside is removed during design, both save material like this, shorten space again, make its structure compacter.
B: Jie's bar of slurry pump carries out extension design on original basis, carries out Mechanics Calculation after having designed, make its one end connect piston rod clip, the other end utilizes bolt to be connected with the outer side surface of U-shaped chute 3.
The design of c:U shape chute 3 is most important in the present invention, because it is a crucial load bearing element, so first carry out dynamic (dynamical) calculating and finite element analysis to the structure of primary election, as fruit structure cannot meet the requirement to its mechanical property, so can the size of suitable adjust structure, finally ensure that there is enough safety coefficient.In addition, reasonably design with lower guide runner 5 mating part bottom it, make it have good guidance quality and sliding.
D: detachably install wear-resistant slide plate 4 at the inner side surface of U-shaped chute 3, can, using wear smooth plate 4 as easily damaged parts, be convenient to change like this.Its wear-resisting property and crush resistance strength are only considered in design for wear-resistant slide plate 4, and it is that the slip surface of its slip surface and crank block 6 is fitted and slided up and down with being bolted on its inner side surface with the connection of U-shaped chute.
E: the design focal point of lower guide runner 5 considers its wear-resisting property.It is bolted to bottom mainframe 1.The bottom surface of its slip surface and chute 3 fit carry out left and right guiding and slip.
F: crank block 6 is bolted to above bearing outer ring with clamping plate, and design focal point considers its wear-resisting property and anti-extrusion performance, carries out dynamics calculation and finite element analysis in design process to it.
G: when crank block 6 designs, emphasis considers its wear-resisting property and anti-extrusion performance, carries out dynamics calculation and finite element analysis in design process to it.This crank block 6 is matrix block, each one piece of left and right is bolted on crankshaft bearing outer ring with clamping plate, its arc surface is fitted on bearing outer ring cylndrical surface, and recycling baffle plate is radial fixing by it, and the slip surface of its slip surface and wear-resistant slide plate 4 is fitted and slided up and down.
Claims (2)
1. a slidercrank mechanism multi-cylinder slurry pump, comprises the bent axle that piston cylinder, mainframe and mainframe central authorities are arranged, it is characterized in that: piston cylinder has multiple and is symmetricly set on the both sides of mainframe (1); One end of Jie's bar (2) and the piston rod clip connected of piston cylinder, the other end is arranged on chute (3) two outer side wall; This chute (3) two madial wall installs wear-resistant slide plate (4) respectively, and the slip surface of this wear-resistant slide plate (4) and the slip surface laminating of crank block (6) are slided and are joined, and crank block (6) is fitted on crankshaft bearing; Lower guide runner (5) is arranged on the bottom of the mainframe (1) below bent axle, and fits sliding joining in lower guide runner (5) upper-end surface and chute (3) bottom surface.
2. slidercrank mechanism multi-cylinder slurry pump according to claim 1, is characterized in that: described piston cylinder is six, and symmetry is distributed on the both sides of mainframe (1), forms slidercrank mechanism six cylinder slurry pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667639.XA CN105156292A (en) | 2015-10-16 | 2015-10-16 | Slider crank mechanism multi-cylinder slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667639.XA CN105156292A (en) | 2015-10-16 | 2015-10-16 | Slider crank mechanism multi-cylinder slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156292A true CN105156292A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510667639.XA Pending CN105156292A (en) | 2015-10-16 | 2015-10-16 | Slider crank mechanism multi-cylinder slurry pump |
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| CN (1) | CN105156292A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545830A (en) * | 2016-03-10 | 2016-05-04 | 沈阳建筑大学 | Hydraulic energy-saving bodybuilding washing machine driving device |
| CN107795449A (en) * | 2017-11-28 | 2018-03-13 | 西南石油大学 | A kind of tooth fan rack-and-pinion reciprocating pump of cam limit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005240724A (en) * | 2004-02-27 | 2005-09-08 | Mitsubishi Heavy Ind Ltd | Refrigerant conveying pump |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN201836006U (en) * | 2010-10-20 | 2011-05-18 | 宝鸡市盟泰石油机械有限公司 | Double-cylinder single-acting power-driven slush pump |
| CN103615428A (en) * | 2013-12-03 | 2014-03-05 | 三一汽车制造有限公司 | Hydraulic oil cylinder, pumping mechanism and thick liquid material pump |
| CN104728080A (en) * | 2015-03-28 | 2015-06-24 | 孙万春 | Drive device of reciprocation pump or compressor and high-thrust opposed reciprocation pump |
| CN205064201U (en) * | 2015-10-16 | 2016-03-02 | 兰州兰石集团有限公司 | Slider -crank mechanism multi -cylinder slush pump |
-
2015
- 2015-10-16 CN CN201510667639.XA patent/CN105156292A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005240724A (en) * | 2004-02-27 | 2005-09-08 | Mitsubishi Heavy Ind Ltd | Refrigerant conveying pump |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN201836006U (en) * | 2010-10-20 | 2011-05-18 | 宝鸡市盟泰石油机械有限公司 | Double-cylinder single-acting power-driven slush pump |
| CN103615428A (en) * | 2013-12-03 | 2014-03-05 | 三一汽车制造有限公司 | Hydraulic oil cylinder, pumping mechanism and thick liquid material pump |
| CN104728080A (en) * | 2015-03-28 | 2015-06-24 | 孙万春 | Drive device of reciprocation pump or compressor and high-thrust opposed reciprocation pump |
| CN205064201U (en) * | 2015-10-16 | 2016-03-02 | 兰州兰石集团有限公司 | Slider -crank mechanism multi -cylinder slush pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545830A (en) * | 2016-03-10 | 2016-05-04 | 沈阳建筑大学 | Hydraulic energy-saving bodybuilding washing machine driving device |
| CN107795449A (en) * | 2017-11-28 | 2018-03-13 | 西南石油大学 | A kind of tooth fan rack-and-pinion reciprocating pump of cam limit |
| CN107795449B (en) * | 2017-11-28 | 2024-03-12 | 西南石油大学 | Cam-limited toothed sector rack type reciprocating pump |
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Application publication date: 20151216 |