CN103016290A - Oil field profile control pump - Google Patents
Oil field profile control pump Download PDFInfo
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- CN103016290A CN103016290A CN 201210586636 CN201210586636A CN103016290A CN 103016290 A CN103016290 A CN 103016290A CN 201210586636 CN201210586636 CN 201210586636 CN 201210586636 A CN201210586636 A CN 201210586636A CN 103016290 A CN103016290 A CN 103016290A
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- plunger
- profile control
- oil field
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Abstract
The invention relates to the technical field of mechanical manufacturing of petroleum drilling, in particular to an oil field profile control pump. The oil field profile control pump comprises a power end body, a crankshaft, a connecting rod assembly, a packing assembly, a liquid inlet box assembly, a plunger assembly and a steering mechanism; the crankshaft and the connecting rod assembly are connected and are arranged in the power end body together; the connecting rod assembly is connected with one end of the plunger assembly by a cross head; the plunger assembly is arranged in the packing assembly in a sealing manner; the other end of the plunger assembly is connected with the liquid inlet box assembly; the plunger assembly is arranged in a pump head; the power end body is mainly formed by an upper cover, a bottom plate, a left wall and a right wall; the left and right walls are welded with the upper cover and the bottom plate into one whole body; and the rear part of the upper cover is bent downwards to be welded with the bottom plate into one whole body. Relative to a cast structure, a welded box body structure is accurate, the structure weight can be reduced by about 15 percent on the premise of meeting the requirement for structural intensity, a wood shape used by a box body also does not need to be cast, and manufacturing cost is reduced.
Description
Technical field
The present invention relates to oil drilling machine manufacturing technology field, relate in particular to a kind of oil field profile control pump.
Background technique
Reciprocating type oil field profile control pump is for delivery of the machinery that contains the particle mixed medium in high viscosity liquid or the high viscosity liquid mostly; this machinery is referred to as the oil field profile control pump usually, is used by wide at numerous areas such as oil-field flooding, metallurgy, mine, light industry, chemical industry wearyly.Such as utilizing this kind pump the oil field to be carried out in the process of profile control, the profile control medium that adopts is usually with the high viscosity liquid of particle, this kind high viscosity liquid is injected the underground passage partition that just can make between oil well and oil well or oil well and the underground reservoir, so that subterranean oil is replaced out, and then can collect high-quality crude oil.
Existing reciprocating type oil field profile control pump generally includes pump case, side in pump case is equipped with the bent axle that driven by motor and driving mechanism and is installed in piston in the cylinder body by what bent axle drove, and the liquid feed valve and the liquid discharging valve that are installed in the other end in the pump case, and liquid feed valve and liquid discharging valve include the limit assembly that is installed in the valve assembly in the pump case and is installed in the valve assembly top, wherein valve assembly comprises and is arranged on up and down two valve seats of valve pocket, the internal surface of each valve seat is cylindrical, and up and down two cylinder shape valves that limited by rod member of being complementary of outer surface and valve seat interior surface shape, and valve seat and cylinder shape valve all adopt rigid material to make; Described limit assembly comprises at least by four bolts fixedly top board and appurtenances; Simultaneously, above-mentioned piston is to be made of columniform rod member, and connects in succession with crankshaft straight or be connected with bent axle by link.Because reciprocating type oil field profile control pump in when work, can cause different impacts to it because of the difference of profile control medium, particularly when conveying contains the high viscosity liquid of particle mixed medium, be sizable to the extent of damage of liquid feed valve and liquid discharging valve and piston.From the working procedure of reciprocating type oil field profile control pump, liquid feed valve and liquid discharging valve and piston are direct and the contacted parts of profile control medium, and these parts all very easily decrease.
Because oil field profile control pump power end body and bent axle all adopt the integral type casting at present, the shortcoming of this kind structure is: the sheet material that needs is many, and structural entity weight lays particular stress on; In addition, plunger assembly adopts solid construction, and overall weight is higher, strengthens operational shock inertia.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned technology, and a kind of oil field profile control pump is provided, reduce the overall weight of oil field profile control pump, improve the working life of oil field profile control pump.
The present invention for achieving the above object, by the following technical solutions: a kind of oil field profile control pump is characterized in that: comprise power end body, bent axle, link assembly, filler assembly, feed liquor case assembly, plunger assembly and changement; Described bent axle is connected with link assembly that jointly to be installed in described power end body inner, described connection part is connected with an end of described plunger assembly by crosshead, described plunger assembly sealing is installed in the filler assembly, the other end of described plunger assembly is connected with the feed liquor case assembly, and described plunger assembly is installed in the pump head; Described power end body mainly is made of loam cake, base plate, Zuo Bi, right wall, and described left and right wall and described loam cake and base plate are integrally welded, and the rear portion of described loam cake is bent downwardly with base plate integrally welded.
Described plunger assembly mainly is made of plunger tube, pull bar, described pull bar is arranged in described plunger tube, being threaded with the plunger end cap that is installed in the plunger tube two ends and plunger positioning disk respectively of pull bar, described plunger positioning disk is fastened on described crosshead front-end face by fastening screw trip bolt.
Described feed liquor case assembly is mainly by box body, swing arm, liquid-discharging tube, liquid entering hole and liquid port, and described liquid entering hole is two, is installed in side by side on the box body, and two liquid entering holes are communicated with described pump head; On described box body, the front end of swing arm and the tube wall of described liquid-discharging tube are affixed by bearing block support for described swing arm, and the pipeline of described liquid-discharging tube is serpentine, and the front end of described liquid-discharging tube is installed in the described box body by setting sleeve.
Described box body front end is equipped with the discharge opeing end cap, and described drain side covers and is communicated with pressure gauge.
Also comprise a changement, described changement mainly is made of connecting rod, commutator, reversing chain, and described connecting rod is two, is installed in respectively the both sides of described power end body; Described commutator is two, comprise axis and be socketed in the outer lever of axis, one end and the described bent axle of described connecting rod touch, one end of the other end and described lever touches, the other end of described lever is connected with described chain, and the described chain the other end is connected with sprocket wheel on the described feed liquor case assembly indirect swing arm.
Described filler assembly mainly by stuffing box, be installed in Oil Guide cover on the stuffing box, adjust mother and consist of, described stuffing box front end is equipped with seal ring and strengthens pad, is used for being connected with described pump head; Described stuffing box sidewall is provided with oil hole; The female rearward end that is arranged on described stuffing box of described adjustment.
Described bent axle mainly by long turn, land, short turning consist of, described length turns and lacks to turn respectively and is connected on the land.
The invention has the beneficial effects as follows: 1, the power end body adopts board-like welded structure, with respect to cast structure, the welding housing structure is accurate, satisfy under the prerequisite of structural strength requirement, structure weight can descend about 15%, also need not the used die model of casting box, reduced manufacture cost, by adopting numerical control cutting equipment, can realize accurate discharge, promoted the overall appearance level.Use numerical control device once-through processing behind the casing before the side bent portions welding, support zone is strengthened by bearing rib.Do the heat treatment of whole removing stress behind the welding box body, to eliminate welding stress; 2, piston body adopts the hollow pipe-type structure, and plunger guide bush can directly be purchased the finished product hollow tube, and tubing is after the attached processing of plated surface, and degree of finish is better, greatly reduces the manufacturing cost; 3, adopt the liquid-discharging tube pipeline of serpentine in the feed liquor case assembly, greatly reduce on the one hand the blocked probability of pipeline, on the other hand, be convenient to two plungers and commutate, increase work efficiency.
Description of drawings
Fig. 1 is side view of the present invention;
Fig. 2 is plan view of the present invention;
Fig. 3 is the structural representation of medium power end body of the present invention;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation of plunger assembly among the present invention;
Fig. 6 is the structural representation of feed liquor case assembly assembly among the present invention;
Fig. 7 is the structural representation of changement among the present invention;
Fig. 8 is the structural representation of filler assembly among the present invention;
Fig. 9 is the structural representation of bent axle among the present invention;
Among the figure: 1, power end body; 11, loam cake; 12, base plate; 13, Zuo Bi; 14, You Bi; 2, bent axle; 21, long turning; 22, land; 23, short turning; 3, link assembly; 4, filler assembly; 41, stuffing box; 42, Oil Guide cover; 43, adjust mother; 44, seal ring; 45, strengthen pad; 46, oil hole; 5, feed liquor case assembly; 51, box body; 52, swing arm; 53, liquid-discharging tube; 54, liquid entering hole; 55, liquid port; 56, bearing support; 57, setting sleeve; 6, plunger assembly; 61, plunger tube; 62, pull bar; 63, plunger end cap; 64, plunger positioning disk; 65, fastening screw trip bolt; 7, changement; 71, connecting rod; 72, commutator; 73, reversing chain; 74, axis; 75, lever; 76, sprocket wheel; 8, crosshead; 9, pump head.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and preferred embodiment.As depicted in figs. 1 and 2, a kind of oil field profile control pump comprises power end body 1, bent axle 2, link assembly 3, filler assembly 4, feed liquor case assembly 5, plunger assembly 6 and changement 7; Described bent axle is connected with link assembly that jointly to be installed in described power end body inner, described connection part is connected with an end of described plunger assembly by crosshead 8, described plunger assembly sealing is installed in the filler assembly, the other end of described plunger assembly is connected with the feed liquor case assembly, and described plunger assembly is installed in the pump head 9.As shown in Figure 3 and Figure 4, described power end body 1 mainly is made of loam cake 11, base plate 12, left wall 13, right wall 14, and described left and right wall and described loam cake and base plate are integrally welded, and the rear portion of described loam cake is bent downwardly with base plate integrally welded.The power end body adopts board-like welded structure, with respect to cast structure, the welding housing structure is accurate, satisfy under the prerequisite of structural strength requirement, structure weight can descend about 15%, also need not the used die model of casting box, reduced manufacture cost, by adopting numerical control cutting equipment, can realize accurate discharge, promoted the overall appearance level.Use numerical control device once-through processing behind the casing before the side bent portions welding, support zone is strengthened by bearing rib.Do the heat treatment of whole removing stress behind the welding box body, to eliminate welding stress.
As shown in Figure 5, described plunger assembly 6 mainly is made of plunger tube 61, pull bar 62, described pull bar is arranged in described plunger tube, being threaded with the plunger end cap 63 that is installed in the plunger tube two ends and plunger positioning disk 64 respectively of pull bar, described plunger positioning disk is fastened on described crosshead front-end face by fastening screw trip bolt 65.Pull bar and plunger end cap are threaded connection, plunger tube front side and plunger end cap are located with the end face seam, rear side is by plunger positioning disk seam location, pass through to adjust plunger end cap pretension pull bar after the assembling, answer alignment before the pull bar assembling, by fastening screw trip bolt plunger assembly is fastened on the crosshead front-end face at last.Piston body adopts the hollow pipe-type structure, and plunger guide bush can directly be purchased the finished product hollow tube, and tubing is after the attached processing of plated surface, and degree of finish is better, greatly reduces the manufacturing cost.
As shown in Figure 6, described feed liquor case assembly 5 is mainly by box body 51, swing arm 52, liquid-discharging tube 53, liquid entering hole 54 and liquid port 55, and described liquid entering hole is two, is installed in side by side on the box body, and two liquid entering holes are communicated with described pump head; Described swing arm is bearing on the described box body by bearing support 56, and the front end of swing arm and the tube wall of described liquid-discharging tube are affixed, and the pipeline of described liquid-discharging tube is serpentine, and the front end of described liquid-discharging tube is installed in the described box body by setting sleeve 57.Liquid-discharging tube and swing arm are the interference Placement, and setting sleeve and swing arm support liquid-discharging tube jointly, guarantee the reliable location of liquid-discharging tube.Pipeline in the liquid-discharging tube respectively left and right sides plunger chamber with pump head is identical, and one finishes draining function.When liquid-discharging tube communicated with pump head left side plunger chamber, the left side plunger chamber was in the discharge opeing state, and the right side plunger chamber communicates with the feed liquor box, and the right side plunger is mobile backward, namely is operated in the feed liquor state.When liquid-discharging tube communicated with pump head right side plunger chamber, the right side plunger chamber was in the discharge opeing state, and the left side plunger chamber communicates with the feed liquor box, the left side plunger backward mobile working at the feed liquor state, so alternation.
Described box body front end is equipped with the discharge opeing end cap, and described drain side covers and is communicated with pressure gauge.
As shown in Figure 7, also comprise a changement 7, described changement mainly is made of connecting rod 71, commutator 72, reversing chain 73, and described connecting rod is two, is installed in respectively the both sides of described power end body; Described commutator is two, comprise axis 74 and be socketed in the outer lever 75 of axis, one end and the described bent axle of described connecting rod touch, one end of the other end and described lever touches, the other end of described lever is connected with described chain, and the described chain the other end is connected with sprocket wheel 76 on the described feed liquor case assembly indirect swing arm.Changement is installed on the power end body, the connecting rod end has roller, when Crankshaft motion promotes the connecting rod motion to the relevant position, change moving direction by commutator, commutator pulling reversing chain, reversing chain the other end band movable sprocket 76 rotates, and swings thereby drive swing arm, finishes the discharge opeing action.
As shown in Figure 8, described filler assembly 4 mainly by stuffing box 41, be installed in Oil Guide cover 42 on the stuffing box, adjust female 43 and consist of, described stuffing box front end is equipped with seal ring 44 and strengthens pad 45, is used for being connected with described pump head; Described stuffing box sidewall is provided with oil hole 46; The female rearward end that is arranged on described stuffing box of described adjustment.Plunger seal is installed in the stuffing box.Because pump speed is lower when transferring the operation of plane pump, can improve the working life of plunger and sealing to the plunger proper lubrication, improve the plunger working environment, so be designed with the Oil Guide covering device behind the plunger seal, corresponding position at stuffing box is reserved with oil hole, and it is lubricated that lubricant oil is filled in row from the oil hole inflow through Oil Guide cover coupled columns.
As shown in Figure 9, mainly by long turning 21, land 22, shortly turning 23 and consist of, described length turns and lacks to turn respectively and is connected on the land described bent axle 2.Long turning with land and short turning with interference mode working pressure machine is pressed into.
Working principle: the power end motion model is slidercrank mechanism, by motor (containing gearbox), vuilt-up crankshaft is passed in torque.Between vuilt-up crankshaft and connecting rod rolling bearing is installed, connecting rod is connected bearing pin with crosshead and connects splash lubrication.Plunger is connected to the end face of crosshead by pull bar.When motor torque is passed to vuilt-up crankshaft, the motion of bent axle drivening rod, connecting rod promotes crosshead, and then will rotatablely move and be converted to the straight reciprocating motion of plunger, travels forward when sitting plunger, liquid-discharging tube passes through commutator, move to the left side, carry out discharge opeing, in this simultaneously, right plunger moves backward, carries out feed liquor.After the left side plunger was finished discharge opeing, plunger began to move backward, feed liquor again, and liquid-discharging tube moves to the right side by commutator, and the beginning discharge opeing that begins to travel forward of right plunger so alternately back and forth, is finished working condition requirement.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an oil field profile control pump is characterized in that: comprise power end body, bent axle, link assembly, filler assembly, feed liquor case assembly, plunger assembly and changement; Described bent axle is connected with link assembly that jointly to be installed in described power end body inner, described connection part is connected with an end of described plunger assembly by crosshead, described plunger assembly sealing is installed in the filler assembly, the other end of described plunger assembly is connected with the feed liquor case assembly, and described plunger assembly is installed in the pump head; Described power end body mainly is made of loam cake, base plate, Zuo Bi, right wall, and described left and right wall and described loam cake and base plate are integrally welded, and the rear portion of described loam cake is bent downwardly with base plate integrally welded.
2. oil field according to claim 1 profile control pump, it is characterized in that: described plunger assembly mainly is made of plunger tube, pull bar, described pull bar is arranged in described plunger tube, being threaded with the plunger end cap that is installed in the plunger tube two ends and plunger positioning disk respectively of pull bar, described plunger positioning disk is fastened on described crosshead front-end face by fastening screw trip bolt.
3. oil field according to claim 1 and 2 profile control pump, it is characterized in that: described feed liquor case assembly is mainly by box body, swing arm, liquid-discharging tube, liquid entering hole and liquid port, described liquid entering hole is two, is installed in side by side on the box body, and two liquid entering holes are communicated with described pump head; On described box body, the front end of swing arm and the tube wall of described liquid-discharging tube are affixed by bearing block support for described swing arm, and the pipeline of described liquid-discharging tube is serpentine, and the front end of described liquid-discharging tube is installed in the described box body by setting sleeve.
4. oil field according to claim 3 profile control pump, it is characterized in that: described box body front end is equipped with the discharge opeing end cap, and described drain side covers and is communicated with pressure gauge.
5. oil field according to claim 4 profile control pump, it is characterized in that: also comprise a changement, described changement mainly is made of connecting rod, commutator, reversing chain, and described connecting rod is two, is installed in respectively the both sides of described power end body; Described commutator is two, comprise axis and be socketed in the outer lever of axis, one end and the described bent axle of described connecting rod touch, one end of the other end and described lever touches, the other end of described lever is connected with described chain, and the described chain the other end is connected with sprocket wheel on the described feed liquor case assembly indirect swing arm.
6. oil field according to claim 5 profile control pump, it is characterized in that: described filler assembly mainly by stuffing box, be installed in Oil Guide cover on the stuffing box, adjust mother and consist of, described stuffing box front end is equipped with seal ring and strengthens pad, is used for being connected with described pump head; Described stuffing box sidewall is provided with oil hole; The female rearward end that is arranged on described stuffing box of described adjustment.
7. oil field according to claim 6 profile control pump is characterized in that: described bent axle mainly by longly turn, land, short turning consist of, described length turns and lacks to turn respectively and is connected on the land.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210586636 CN103016290A (en) | 2012-12-28 | 2012-12-28 | Oil field profile control pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210586636 CN103016290A (en) | 2012-12-28 | 2012-12-28 | Oil field profile control pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103016290A true CN103016290A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210586636 Pending CN103016290A (en) | 2012-12-28 | 2012-12-28 | Oil field profile control pump |
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| CN (1) | CN103016290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617318A (en) * | 2019-10-29 | 2019-12-27 | 烟台杰瑞石油装备技术有限公司 | Five-cylinder plunger pump with integral power end structure |
-
2012
- 2012-12-28 CN CN 201210586636 patent/CN103016290A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617318A (en) * | 2019-10-29 | 2019-12-27 | 烟台杰瑞石油装备技术有限公司 | Five-cylinder plunger pump with integral power end structure |
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Application publication date: 20130403 |