CN204386878U - A kind of screw pump and screw rod - Google Patents
A kind of screw pump and screw rod Download PDFInfo
- Publication number
- CN204386878U CN204386878U CN201520004601.XU CN201520004601U CN204386878U CN 204386878 U CN204386878 U CN 204386878U CN 201520004601 U CN201520004601 U CN 201520004601U CN 204386878 U CN204386878 U CN 204386878U
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- China
- Prior art keywords
- rod
- screw rod
- screw
- spire
- mounting hole
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Abstract
The utility model discloses a kind of screw pump and screw rod, relate to petroleum production screw pump field, comprise connecting rod, transiting rod and spire, wherein, spire comprises screw rod, middle screw rod and lower screw rod from top to bottom, upper screw rod and middle screw rod and be provided with threaded joints between middle screw rod with lower screw rod and realize being threaded; To be through with two positioning rod mounting holes of parallel rotor length direction near bottom end to spire from connecting rod top; Also be provided with between spire bottom and positioning rod mounting hole and move back rod aperture, the positioning rod matched is installed in positioning rod mounting hole.Spire of the present utility model is by being provided with threaded joints, and screw pump rotor is detachable, is convenient to the transport of screw pump rotor, and store, prior, it also can adapt to the oil well of the different degree of depth within the specific limits.
Description
Technical field
The utility model relates to petroleum production screw pump field, is a kind of screw pump and screw rod specifically.
Background technique
Oil is the buried fluid mineral in underground.Oil is important energy source, with coal facies ratio, have that energy density large (wait heavy oil combustion ratio of specific heat standard coal high by 50%), shipping storage are convenient, after burning to advantages such as the pollution level of air are less.The fuel oil refined from oil is the main fuel of the various kiln of means of transportation, station boiler, metallurgical industry and building material industry.The high-grade fuel of life of urban resident application that to take oil as the liquid gas of raw material and piped gas be.Aircraft, tank, naval vessels, rocket and other astrovehicles, also consume bulk petroleum fuel.Therefore, many countries are all classified as oil as strategic materials.
Petroleum production is that the pump used in petroleum production process comprises screw pump, electric submersible pump, water conservancy reciprocating pump etc. by oil by a link very important in human use's process.In recent years, due to the advantage of screw pump, what screw pump was used in petroleum production process is more and more general, screw pump has the advantages that pump efficiency is high, energy-conservation, maintenance cost is low, one-time investment is few, and it is suitable for offshore oilfield from formula and combination water horizontal well, is applicable to thickened oil recovery, and it also adapts to high containing sand drain and high-gas-contained well.
Screw pump rotor is part indispensable in screw pump, screw pump rotor is divided into spire and joint two parts, joint comprises columniform transiting rod and connecting rod, screw pump rotor is followed successively by connecting rod from top to bottom, transiting rod and spire, present stage, because oil well is darker, so the spire of screw pump rotor is usually longer, These characteristics makes screw pump rotor not easily transport and deposit, and installation difficulty is larger, topmost, the length of the spire of screw pump rotor of the prior art is fixing, so the oil well that can not adapt to different depth of same screw pump.
In view of above-mentioned defect, the utility model creator obtains this creation finally through long research and practice.
Summary of the invention
The purpose of this utility model is just to provide a kind of screw pump and screw rod to solve the problem, and it can realize the detachable of screw pump rotor spire, screw pump rotor is had and is convenient to transport, deposit, also can be suitable for the feature of the oil well of different depth.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of screw pump of the present utility model and screw rod, comprise connecting rod, transiting rod and spire, wherein, described spire comprises screw rod, middle screw rod and lower screw rod from top to bottom, described upper screw rod and middle screw rod and be provided with identical threaded joints between described middle screw rod with lower screw rod and realize being threaded; Described connecting rod, transiting rod and spire are structure as a whole, and be through with two positioning rod mounting holes of parallel rotor length direction near bottom end to described spire from connecting rod top, described two positioning rod mounting holes are symmetrical with rotor center; Also be provided with between described spire bottom and described positioning rod mounting hole and move back rod aperture, described sectional dimension of moving back rod aperture is less than the sectional dimension of described positioning rod mounting hole, and described positioning rod mounting hole equals the total length of described connecting rod, transiting rod and spire with the total length moving back rod aperture; Described positioning rod mounting hole and describedly move back the through described connecting rod of rod aperture, transiting rod and spire; In described positioning rod mounting hole, the positioning rod matched is installed.
Further, described threaded joints comprises the bolt head that is arranged on described upper screw rod and middle screw rod bottom and with it suitable the tapped hole being arranged on described middle screw rod and lower screw rod top.
Further, described positioning rod epimere is cone segments, the size of described cone segments lower end is identical with the sectional dimension of positioning rod hypomere, the size of described cone segments upper end is greater than the size of described positioning rod mounting hole, described cone segments can with described positioning rod mounting hole interference fit, the hypomere of described positioning rod and described positioning rod mounting hole Spielpassung.
Further, the length of described cone segments is 50mm ~ 500mm.
Further, described positioning rod mounting hole is circular with the cross section of moving back rod aperture.
Further, on described transiting rod outer wall, symmetry offers two the first counterbores.
Further, described middle screw rod and lower screw rod outer wall are provided with second counterbore.
The beneficial effects of the utility model are: spire of the present utility model is by being provided with threaded joints, screw pump rotor is detachable, be convenient to transport and the storage of screw pump rotor, prior, due to upper screw rod and middle screw rod and be provided with identical threaded joints between described middle screw rod with lower screw rod and realize being threaded, so, upper screw rod can directly link together with lower screw rod, or screw rod in several can be connected between upper screw rod with lower screw rod, spire is made to have different length, so make whole screw pump rotor also can adapt to the oil well of the different degree of depth within the specific limits, on transiting rod outer wall of the present utility model, symmetry offers two the first counterbores, rod member is inserted in the first above-mentioned counterbore hole, thus pull transiting rod the screw thread of connecting rod and outside fastening is screwed, middle screw rod and lower screw rod outer wall are provided with one second counterbore, same, also can screw the screw thread between the screw rod of upper, middle and lower.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of screw pump of the present utility model and screw rod;
Fig. 2 is that A-A in Fig. 1 is to sectional structure schematic diagram;
Fig. 3 is the B direction view in Fig. 1;
Fig. 4 is that C-C in Fig. 1 is to sectional structure schematic diagram;
Fig. 5 is the partial enlargement sectional structure schematic diagram in Fig. 1 pointed by D;
Fig. 6 is the structural representation of positioning rod described in the utility model;
Fig. 7 is that in the utility model, rod member inserts the schematic diagram screwing connecting rod in the counterbore of transiting rod.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristics and advantage of the utility model.
Refer to Fig. 1 and Fig. 2, a kind of screw pump of the present utility model and screw rod, comprise connecting rod 2, transiting rod 3 and spire 1, wherein, spire 1 comprises screw rod 101 from top to bottom, middle screw rod 102 and lower screw rod 103, upper screw rod 101 and middle screw rod 102 and be provided with identical threaded joints 4 between middle screw rod 102 with lower screw rod 103 and realize being threaded, threaded joints 4 comprises the bolt head that is arranged on screw rod 101 and middle screw rod 102 bottom and with it suitable the tapped hole being arranged on middle screw rod 102 and lower screw rod 103 top, as shown in Figure 1, so, upper screw rod 101 can directly link together with lower screw rod 103, or screw rod 102 in several can be connected between upper screw rod 101 with lower screw rod 103, make spire 1 have different length, so make whole screw pump rotor also can adapt to the oil well of the different degree of depth within the specific limits.
Above-mentioned connecting rod 2, transiting rod 3 and spire 1 are structure as a whole, and two positioning rod mounting holes, 5, two the positioning rod mounting holes 5 being through with parallel rotor length direction near bottom end to spire 1 from connecting rod 2 top are symmetrical with rotor center; Also be provided with between spire 1 bottom and positioning rod mounting hole 5 and move back rod aperture 7, above-mentioned positioning rod mounting hole 5 is circular with the cross section of moving back rod aperture 7, the sectional dimension of moving back rod aperture 7 is less than the sectional dimension of positioning rod mounting hole 5, and positioning rod mounting hole 5 equals the total length of connecting rod 2, transiting rod 3 and spire 1 with the total length moving back rod aperture 7; Positioning rod mounting hole 5 with move back the through connecting rod 2 of rod aperture 7, transiting rod 3 and spire 1.
The positioning rod 6 matched is installed in positioning rod mounting hole 5, positioning rod 6 epimere is cone segments 601, the length of cone segments 601 is 50mm ~ 500mm, the size of cone segments 601 lower end is identical with the sectional dimension of positioning rod 6 hypomere, the size of cone segments 601 upper end is greater than the size of positioning rod mounting hole 5, cone segments 601 can with positioning rod mounting hole 5 interference fit, the hypomere of positioning rod 6 and positioning rod mounting hole 5 Spielpassung.After said structure design makes each screw rod of spire 1 screw, positioning rod 6 is inserted in positioning rod mounting hole 5, and can prevent each screw rod from occurring to loosen in later stage using process, above-mentioned cone segments 601 is then equivalent to the effect of locating stud, positioning rod 6 is fixed in positioning rod mounting hole 5; In addition, when spire needs to split, then move back through above-mentioned the bottom that rod aperture 7 withstands positioning rod 6 by rod member one end of hard, then knock the other end of this rod member with hammer etc., the upper end of positioning rod 6 from positioning rod mounting hole 5 is pounded out, then is threaded connection a portion 4 separately screw rod.
In addition, on transiting rod 3 outer wall, symmetry offers two the first counterbores 301, and middle screw rod 102 and lower screw rod 103 outer wall are provided with second counterbore 8; The rod member 9 of such as steel can be inserted in the first above-mentioned counterbore 301 hole, thus pull transiting rod 3 connecting rod 2 is screwed with the screw thread of outside fastening, as shown in Figure 7, same, one second counterbore that middle screw rod 102 and lower screw rod 103 outer wall are provided with, also can so that screw being threaded between the screw rod of upper, middle and lower.The foregoing is only preferred embodiment of the present utility model, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and requires to carry out many changes to it in the spirit and scope that limit, amendment in model utility right, even equivalent, but all will fall in protection domain of the present utility model.
Claims (7)
1. a screw pump and screw rod, comprise connecting rod, transiting rod and spire, it is characterized in that: described spire comprises screw rod, middle screw rod and lower screw rod from top to bottom, described upper screw rod and middle screw rod and be provided with identical threaded joints between described middle screw rod with lower screw rod and realize being threaded; Described connecting rod, transiting rod and spire are structure as a whole, and be through with two positioning rod mounting holes of parallel rotor length direction near bottom end to described spire from connecting rod top, described two positioning rod mounting holes are symmetrical with rotor center; Also be provided with between described spire bottom and described positioning rod mounting hole and move back rod aperture, described sectional dimension of moving back rod aperture is less than the sectional dimension of described positioning rod mounting hole, and described positioning rod mounting hole equals the total length of described connecting rod, transiting rod and spire with the total length moving back rod aperture; Described positioning rod mounting hole and describedly move back the through described connecting rod of rod aperture, transiting rod and spire; In described positioning rod mounting hole, the positioning rod matched is installed.
2. a kind of screw pump according to claim 1 and screw rod, is characterized in that: described threaded joints comprises the bolt head that is arranged on described upper screw rod and middle screw rod bottom and with it suitable the tapped hole being arranged on described middle screw rod and lower screw rod top.
3. a kind of screw pump according to claim 1 and 2 and screw rod, it is characterized in that: described positioning rod epimere is cone segments, the size of described cone segments lower end is identical with the sectional dimension of positioning rod hypomere, the size of described cone segments upper end is greater than the size of described positioning rod mounting hole, described cone segments can with described positioning rod mounting hole interference fit, the hypomere of described positioning rod and described positioning rod mounting hole Spielpassung.
4. a kind of screw pump according to claim 3 and screw rod, is characterized in that: the length of described cone segments is 50mm ~ 500mm.
5. a kind of screw pump according to claim 4 and screw rod, is characterized in that: described positioning rod mounting hole is circular with the cross section of moving back rod aperture.
6. a kind of screw pump according to claim 5 and screw rod, is characterized in that: on described transiting rod outer wall, symmetry offers two the first counterbores.
7. a kind of screw pump according to claim 6 and screw rod, is characterized in that: described middle screw rod and lower screw rod outer wall are provided with second counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004601.XU CN204386878U (en) | 2015-01-06 | 2015-01-06 | A kind of screw pump and screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004601.XU CN204386878U (en) | 2015-01-06 | 2015-01-06 | A kind of screw pump and screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386878U true CN204386878U (en) | 2015-06-10 |
Family
ID=53359604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520004601.XU Expired - Fee Related CN204386878U (en) | 2015-01-06 | 2015-01-06 | A kind of screw pump and screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204386878U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782016A (en) * | 2016-03-15 | 2016-07-20 | 李路 | Oil pump rotor |
| CN106949045A (en) * | 2017-04-26 | 2017-07-14 | 哈尔滨工程大学 | A kind of segmented high pressure three-screw pump |
| CN107044412A (en) * | 2017-03-28 | 2017-08-15 | 四川凯创机电设备有限公司 | It is easily installed the screw rod of detection means in pump |
-
2015
- 2015-01-06 CN CN201520004601.XU patent/CN204386878U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782016A (en) * | 2016-03-15 | 2016-07-20 | 李路 | Oil pump rotor |
| CN107044412A (en) * | 2017-03-28 | 2017-08-15 | 四川凯创机电设备有限公司 | It is easily installed the screw rod of detection means in pump |
| CN107044412B (en) * | 2017-03-28 | 2019-03-05 | 四川凯创机电设备有限公司 | It is easily installed the screw rod of detection device in pumping |
| CN106949045A (en) * | 2017-04-26 | 2017-07-14 | 哈尔滨工程大学 | A kind of segmented high pressure three-screw pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160106 |