CN205446027U - Submersible direct-drive screw pump universal joint transmission device - Google Patents
Submersible direct-drive screw pump universal joint transmission device Download PDFInfo
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- CN205446027U CN205446027U CN201521092309.4U CN201521092309U CN205446027U CN 205446027 U CN205446027 U CN 205446027U CN 201521092309 U CN201521092309 U CN 201521092309U CN 205446027 U CN205446027 U CN 205446027U
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- universal joint
- screw pump
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- connecting tube
- resistant sleeve
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- 230000005540 biological transmission Effects 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000009189 diving Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 41
- 230000033001 locomotion Effects 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model provides an oil of diving directly drives screw pump universal joint transmission, include from last screw pump to connecting gradually down, transmission and motor, transmission includes from last long connecting pipe to connecting gradually down, stator connecting pipe and centralizer, long connecting pipe is inside from last screw rod connector to having connected gradually down, universal joint one, the regulating spindle, universal joint two and lower screw rod connector, the inside connecting axle that is provided with of stator connecting pipe, the inside connecting pipe that is provided with down of centralizer, the device simple structure, system ground part only has the switch board, well head area is few, fundamentally has solved the pole pipe eccentric wear problem of directional well ubiquitous, later stage operation maintenance cost and intensity of labour have been reduced.
Description
Technical field
This utility model relates to the research field of oil machinery oil production equipment, particularly to one latent oil directly-driven screw pump card gear.
Background technology
Latent oil directly-driven screw pump is by latent oil directly-driven screw pump unit lower going-into-well, utilizes power cable that electric power sends to down-hole submersible electric machine with oil, and motor directly drives screw pump rotor to rotate by flexible coupling, and well liquid, after screw pump increases, is given rise to ground." directly drive ", i.e. cancel mechanical deceleration device, submersible electric machine with oil directly drive screw pump rotor, rely on ground frequency conversion equipment to reduce rotating speed.
Latent oil directly-driven screw pump is made up of alternating-current servo permanent magnet synchronous motor, protector, movement transforming device, screw pump, control part etc., and connects the most from bottom to top.Latent oil directly-driven screw pump is without sucker rod, eliminate loss of plunger stroke, without mechanical deceleration device, do not burn motor under the slow-speed of revolution, improve pumping efficiency of oil pump and running efficiency of system, reduction energy consumption, the most fundamentally solve the rod and tube partial-wear problem that directional well generally exists, application digital control scheme adjusts system operational parameters, reducing later stage operation expense and labor intensity, system above ground portion only has switch board, and it is few that well head accounts for floor area.
Utility model content
The purpose of this utility model is to overcome directional well generally to there is rod and tube partial-wear and device efficiency is low, it is big to take up room, cost is high problem.
For this, the technical solution of the utility model there is provided a kind of latent oil directly-driven screw pump card gear, including the screw pump being sequentially connected with from top to bottom, actuating device and motor, described actuating device includes the long connecting tube being sequentially connected with from top to bottom, stator connecting tube and centralizer, screw rod union joint it is connected with from top to bottom in turn inside described long connecting tube, universal joint one, regulation axle, universal joint two and lower screw rod union joint, described stator connecting tube is internally provided with connecting shaft, described centralizer is internally provided with lower connecting tube, described long connecting tube top is provided with suction inlet, described lower screw rod union joint bottom is connected with connecting shaft top by splined shaft one, described connecting shaft bottom is connected with lower connecting tube top by splined shaft two.
Above-mentioned universal joint one is anchored on upper screw rod union joint by spring shim soket head cap screw, and universal joint two is anchored on lower screw rod union joint by spring shim soket head cap screw.
Above-mentioned universal joint one and universal joint two internal circumferential are provided with 8 universal adjustment blocks, and universal adjustment block is internally provided with 8 steel balls.
Above-mentioned universal joint one bottom is provided with oil sealing, and universal joint two top is provided with on oil sealing, and oil sealing and is provided with oil seal cover.
Above-mentioned splined shaft one is outside is provided with wear-resistant sleeve inner sleeve, and wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat, and described splined shaft two is outside is provided with wear-resistant sleeve inner sleeve, and wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat.
Above-mentioned connecting shaft bottom is provided with axle card one, and lower connecting tube top is provided with axle card two.
Above-mentioned connecting shaft lower end is provided with arresting disc, and arresting disc bottom is provided with thrust washer by nut, and centralizer top withstands on thrust washer.
The beneficial effects of the utility model:
(1) this latent oil directly-driven screw pump card gear simple in construction that this utility model provides, system above ground portion only has switch board, it is few that well head accounts for floor area, this device can connect rotor and screw pump rotor, Motor torque is passed to screw pump, the concentric motion of rotor is converted into the double-planet yaw motion of screw pump rotor, improve pumping efficiency of oil pump and running efficiency of system, reduction energy consumption, the most fundamentally solve the rod and tube partial-wear problem that directional well generally exists, reduce later stage operation expense and labor intensity.
(2) universal joint one soket head cap screw is anchored on upper screw rod union joint by spring shim by this latent oil directly-driven screw pump card gear that this utility model provides, by spring shim, universal joint dual-purpose soket head cap screw is anchored on lower screw rod union joint, universal joint is made to connect fastening, it is ensured that equipment is reliable.
(3) this latent oil directly-driven screw pump card gear that this utility model provides is by arranging oil sealing in universal joint, with in oil sealing equipped with lubricating oil slow down in universal joint the friction impact between steel ball, and oil seal cover is set on oil sealing, prevents lubricating oil from spilling.
(4) this latent oil directly-driven screw pump card gear that this utility model provides is by arranging wear-resistant sleeve inner sleeve outside splined shaft one; wear-resistant sleeve outside of inner cover arranges wear-resistant sleeve overcoat; wear-resistant sleeve inner sleeve is set outside splined shaft two; wear-resistant sleeve outside of inner cover arranges wear-resistant sleeve overcoat; use double-layer wear-resistant set; protection splined shaft, reduces loss.
(5) this latent oil directly-driven screw pump card gear that this utility model provides is by arranging axle card one in connecting shaft bottom, arranges axle card two on lower connecting tube top, effectively prevents connecting shaft and the axial float of lower connecting tube.
(6) this latent oil directly-driven screw pump card gear that this utility model provides is by arranging arresting disc in connecting shaft lower end, effectively prevent the movement of connecting shaft, and by nut, arresting disc is fastened, prevent arresting disc from moving further, centralizer plays the effect of guiding, righting during tubing string is gone into the well, centralizer top withstands on thrust washer, reduces the centralizer friction when moving up and down and impact.
Below with reference to accompanying drawing, this utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is latent oil directly-driven screw pump card gear structural representation of the present utility model.
Description of reference numerals: 1, long connecting tube；2, stator connecting tube；3, centralizer；4, upper screw rod union joint；5, universal joint one；6, regulation axle；7, universal joint two；8, lower screw rod union joint；9, connecting shaft；10, lower connecting tube；11, splined shaft one；12, splined shaft two；13, axle card one；14, axle card two；15, arresting disc.
Detailed description of the invention
Embodiment 1:
nullIn order to overcome directional well generally to there is rod and tube partial-wear and device efficiency is low、Take up room big、The problem that cost is high，Present embodiments provide a kind of latent oil directly-driven screw pump card gear as shown in Figure 1，Including the screw pump being sequentially connected with from top to bottom、Actuating device and motor，It is characterized in that: described actuating device includes the long connecting tube 1 being sequentially connected with from top to bottom、Stator connecting tube 2 and centralizer 3，Described long connecting tube 1 is internal is connected with screw rod union joint 4 from top to bottom in turn、Universal joint 1、Regulation axle 6、Universal joint 27 and lower screw rod union joint 8，Described stator connecting tube 2 is internally provided with connecting shaft 9，Described centralizer 3 is internally provided with lower connecting tube 10，Described long connecting tube 1 top is provided with suction inlet，Described lower screw rod union joint 8 bottom is connected with connecting shaft 9 top by splined shaft 1，Described connecting shaft 9 bottom is connected with lower connecting tube 10 top by splined shaft 2 12.
The operation principle of this latent oil directly-driven screw pump actuating device of the present utility model:
This device can connect rotor and screw pump rotor, and Motor torque is passed to screw pump, the concentric motion of rotor is converted into the double-planet yaw motion of screw pump rotor.
This device upper end connects screw pump rotor, lower end connects rotor, electric mover moment of torsion is delivered to universal joint 27 by connecting shaft 9, universal joint 27 is connected to regulate axle 6, regulation axle 6 is connected to universal joint 1, regulation axle 6 and two universal joint link positions have 8 steel balls and 8 universal adjustment blocks respectively, and end is arc, when upper and lower two end motions are inconsistent, regulation axle 6 two ends deflect, drive steel ball rotates, steel ball rotates and drives universal adjustment block to offset simultaneously, owing to each parts are all rigidly connected, therefore moment of torsion is in transmittance process, loss is few.
This latent oil directly-driven screw pump card gear simple in construction that this utility model provides, system above ground portion only has switch board, it is few that well head accounts for floor area, this device can connect rotor and screw pump rotor, Motor torque is passed to screw pump, the concentric motion of rotor is converted into the double-planet yaw motion of screw pump rotor, improve pumping efficiency of oil pump and running efficiency of system, reduction energy consumption, the most fundamentally solve the rod and tube partial-wear problem that directional well generally exists, reduce later stage operation expense and labor intensity.
Embodiment 2:
In order to make universal joint connect fastening, on the basis of embodiment 1, present embodiments provide a kind of latent oil directly-driven screw pump card gear as shown in Figure 1, described universal joint 1 is anchored on upper screw rod union joint 4 by spring shim soket head cap screw, and universal joint 27 is anchored on lower screw rod union joint 8 by spring shim soket head cap screw.
Further, described universal joint 1 and universal joint 27 internal circumferential are provided with 8 universal adjustment blocks, and universal adjustment block is internally provided with 8 steel balls.
Further, described universal joint 1 bottom is provided with oil sealing, and universal joint 27 top is provided with oil sealing, and it is provided with oil seal cover on oil sealing, equipped with lubricating oil in oil sealing, for slowing down in universal joint the friction impact between steel ball, oil sealing arranges oil seal cover, is possible to prevent lubricating oil to spill.
Embodiment 3:
On the basis of embodiment 2, present embodiments provide a kind of latent oil directly-driven screw pump card gear as shown in Figure 1, described splined shaft 1 is outside is provided with wear-resistant sleeve inner sleeve, wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat, described splined shaft 2 12 is outside is provided with wear-resistant sleeve inner sleeve, and wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat.Lower screw rod union joint 8 does rotating operation; driving splined shaft 1 operating, lower connecting tube 10 does rotating operation, drives splined shaft 2 12 operating; make splined shaft 1 and splined shaft 2 12 abrasion bigger; arranging wear-resistant sleeve inner sleeve outside splined shaft 1, wear-resistant sleeve outside of inner cover arranges wear-resistant sleeve overcoat, arranges wear-resistant sleeve inner sleeve outside splined shaft 2 12; wear-resistant sleeve outside of inner cover arranges wear-resistant sleeve overcoat; double-layer wear-resistant set, protects splined shaft, reduces loss.
Further, described connecting shaft 9 bottom is provided with axle card 1, and lower connecting tube 10 top is provided with axle card 2 14, and when motor rotation when, axle card 1 is prevented from the axial float of connecting shaft 9, and axle card 2 14 is prevented from the axial float of lower connecting tube 10.
Further, described connecting shaft 9 lower end is provided with arresting disc 15, and arresting disc 15 bottom is provided with thrust washer by nut, and centralizer 3 top withstands on thrust washer.Moving plate 15 can effectively prevent the movement of connecting shaft, and by nut, arresting disc 15 is fastened, prevent arresting disc 15 from moving further, centralizer 3 plays the effect of guiding, righting during tubing string is gone into the well, centralizer 3 top withstands on thrust washer, reduces the centralizer 15 friction when moving up and down and impact.
Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, within the every and same or analogous design of this utility model belongs to protection domain of the present utility model.
Claims (7)
- null1. a latent oil directly-driven screw pump card gear，Including the screw pump being sequentially connected with from top to bottom、Actuating device and motor，It is characterized in that: described actuating device includes the long connecting tube (1) being sequentially connected with from top to bottom、Stator connecting tube (2) and centralizer (3)，Described long connecting tube (1) is internal is connected with screw rod union joint (4) from top to bottom in turn、Universal joint one (5)、Regulation axle (6)、Universal joint two (7) and lower screw rod union joint (8)，Described stator connecting tube (2) is internally provided with connecting shaft (9)，Described centralizer (3) is internally provided with lower connecting tube (10)，Described long connecting tube (1) top is provided with suction inlet，Described lower screw rod union joint (8) bottom is connected with connecting shaft (9) top by splined shaft one (11)，Described connecting shaft (9) bottom is connected with lower connecting tube (10) top by splined shaft two (12).
- 2. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterized in that: described universal joint one (5) is anchored on upper screw rod union joint (4) by spring shim soket head cap screw, universal joint two (7) is anchored on lower screw rod union joint (8) by spring shim soket head cap screw.
- 3. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterised in that: described universal joint one (5) and universal joint two (7) internal circumferential are provided with 8 universal adjustment blocks, and universal adjustment block is internally provided with 8 steel balls.
- 4. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterised in that: described universal joint one (5) bottom is provided with oil sealing, and universal joint two (7) top is provided with on oil sealing, and oil sealing and is provided with oil seal cover.
- 5. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterized in that: described splined shaft one (11) is outside is provided with wear-resistant sleeve inner sleeve, wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat, described splined shaft two (12) is outside is provided with wear-resistant sleeve inner sleeve, and wear-resistant sleeve outside of inner cover is provided with wear-resistant sleeve overcoat.
- 6. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterised in that: described connecting shaft (9) bottom is provided with axle card one (13), and lower connecting tube (10) top is provided with axle card two (14).
- 7. latent oil directly-driven screw pump card gear as claimed in claim 1, it is characterized in that: described connecting shaft (9) lower end is provided with arresting disc (15), arresting disc (15) bottom is provided with thrust washer by nut, and centralizer (3) top withstands on thrust washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092309.4U CN205446027U (en) | 2015-12-25 | 2015-12-25 | Submersible direct-drive screw pump universal joint transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092309.4U CN205446027U (en) | 2015-12-25 | 2015-12-25 | Submersible direct-drive screw pump universal joint transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446027U true CN205446027U (en) | 2016-08-10 |
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ID=56586146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521092309.4U Active CN205446027U (en) | 2015-12-25 | 2015-12-25 | Submersible direct-drive screw pump universal joint transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715545A (en) * | 2015-12-25 | 2016-06-29 | 中国石油天然气股份有限公司 | Submersible direct-drive screw pump universal joint transmission device |
| CN106224233A (en) * | 2016-09-26 | 2016-12-14 | 西南石油大学 | Bendable novel submersible screw pump |
-
2015
- 2015-12-25 CN CN201521092309.4U patent/CN205446027U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715545A (en) * | 2015-12-25 | 2016-06-29 | 中国石油天然气股份有限公司 | Submersible direct-drive screw pump universal joint transmission device |
| CN106224233A (en) * | 2016-09-26 | 2016-12-14 | 西南石油大学 | Bendable novel submersible screw pump |
| CN106224233B (en) * | 2016-09-26 | 2018-01-02 | 西南石油大学 | Bendable submersible screw pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |