CN210977858U - Submersible direct-drive screw pump titanium alloy flexible rod - Google Patents
Submersible direct-drive screw pump titanium alloy flexible rod Download PDFInfo
- Publication number
- CN210977858U CN210977858U CN201921481209.9U CN201921481209U CN210977858U CN 210977858 U CN210977858 U CN 210977858U CN 201921481209 U CN201921481209 U CN 201921481209U CN 210977858 U CN210977858 U CN 210977858U
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- Prior art keywords
- titanium alloy
- flexible rod
- alloy flexible
- screw pump
- connecting end
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 61
- 239000007788 liquid Substances 0.000 claims description 3
- 230000009189 diving Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an oil of diving directly drives screw pump titanium alloy flexible pole, including connecting pipe and titanium alloy connecting rod, titanium alloy connecting rod suit is in the connecting pipe, and the screw pump link of titanium alloy flexible pole passes through threaded connection with the connecting axle of pump rotor tip and is in the same place, and the motor link of titanium alloy flexible pole passes through threaded connection with connecting axle tip down and is in the same place, and lower connecting axle sets up inside the connecting pipe through last cover and the cover of righting down respectively, and the cover end of righting down of lower connecting axle is connected with electric motor rotor. The utility model reduces the parts, reduces the fault points and prolongs the service life of the unit; the axial force born by positive and negative rotation is the same, so that different working states can be met.
Description
The technical field is as follows:
the utility model relates to an oil production equipment, in particular to dive oil and directly drive screw pump titanium alloy flexible rod.
Background art:
the screw pump is also called a progressive positive displacement pump and consists of a stator and a rotor, the stator and the rotor are spirally in interference fit to form a continuously sealed cavity, and the transmission of a medium is realized through the rotary motion of the rotor. The eccentric 'revolution' movement of the center of the rotor and the center of the stator is performed from the end face of the screw pump, the output end of the motor is concentric, so that the motor and the screw pump cannot be directly connected, and the eccentric movement of the screw pump is kept to be concentric movement through a 'centering sleeve' on a connecting shaft part by adopting the universal joint structure connection capable of adjusting the eccentricity. The traditional universal joint has many flexible shaft parts, many fault points and easy damage, and can only bear the axial force generated by the forward rotation of the screw pump, and when the screw pump needs to rotate reversely, the flexible shaft universal joint can only bear small pulling force.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the defects in the prior art are overcome, the titanium alloy flexible rod of the submersible direct-drive screw pump is provided, the number of parts is reduced, the failure rate is reduced, and the service life of the unit is prolonged.
The utility model discloses a technical scheme who solves technical problem and take is:
the titanium alloy flexible rod comprises a connecting pipe and a titanium alloy flexible rod, wherein the inside of a screw pump connecting end of the titanium alloy flexible rod is in a hollow thread shape, the screw pump connecting end of the titanium alloy flexible rod is connected with a connecting shaft at the end part of a pump rotor, and the outer wall of the connecting shaft at the end part of the pump rotor is provided with threads matched with the inside of the connecting end of the screw pump of the titanium alloy flexible rod; the interior of the motor connecting end of the titanium alloy flexible rod is in a hollow thread shape, the motor connecting end of the titanium alloy flexible rod is connected with the end part of the lower connecting shaft, and the outer wall of the end part of the lower connecting shaft is provided with a thread matched with the interior of the motor connecting end of the titanium alloy flexible rod; the lower connecting shaft is arranged in the connecting pipe through an upper centering sleeve and a lower centering sleeve respectively, and the lower centering sleeve end of the lower connecting shaft is connected with the motor rotor; the diameter of the screw pump connecting end of the titanium alloy flexible rod is larger than that of the titanium alloy flexible rod, and the diameter of the motor connecting end of the titanium alloy flexible rod is larger than that of the titanium alloy flexible rod.
The titanium alloy flexible rod transmits the rotating torque from the motor connecting end to the screw pump connecting end, and the eccentric operation of the screw pump connecting end is adjusted to be concentric operation of the motor connecting end.
The upper part of the connecting pipe is provided with a suction connected with the liquid inlet cavity.
The titanium alloy flexible rod is sleeved inside the connecting pipe.
The utility model discloses an actively beneficial effect is:
1. the utility model discloses improve the structure of diving oily screw pump flexible shaft that directly drives, change the universal joint into titanium alloy flexible rod, titanium alloy has good intensity and toughness, changes into titanium alloy flexible rod after, spare part reduces, and the fault rate reduces, and the axial force that positive counter shaft bore in addition is the same, satisfies different operating condition.
2. The utility model discloses the screw pump passes through the titanium alloy flexible rod, the lower connecting axle is connected with electric motor rotor, and the lower connecting axle sets up in the inside of connecting pipe through last righting cover and lower righting cover, and the eccentric motion that keeps the screw pump is right to trun into concentric motion through upper and lower cover.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings, in which:
referring to fig. 1, the submersible direct-drive screw pump titanium alloy flexible rod comprises a connecting pipe 4 and a titanium alloy flexible rod 1, wherein the titanium alloy flexible rod 1 is sleeved in the connecting pipe 4, a screw pump connecting end A of the titanium alloy flexible rod 1 is hollow thread-shaped, the screw pump connecting end A of the titanium alloy flexible rod 1 is connected with a connecting shaft at the end part of a pump rotor, and the outer wall of a connecting shaft 7 at the end part of the pump rotor is provided with threads matched with the threads in the screw pump connecting end A of the titanium alloy flexible rod 1; the interior of the motor connecting end B of the titanium alloy flexible rod 1 is in a hollow thread shape, the motor connecting end B of the titanium alloy flexible rod 1 is connected with the end part 8 of the lower connecting shaft, and the outer wall of the end part 8 of the lower connecting shaft is provided with a thread matched with the interior of the motor connecting end B of the titanium alloy flexible rod 1; the lower connecting shaft is arranged in the connecting pipe through an upper righting sleeve 2 and a lower righting sleeve 3 respectively, and the lower righting sleeve end of the lower connecting shaft is connected with a motor rotor; wherein: the titanium alloy flexible rod 1 transmits the rotating torque from the motor connecting end B to the screw pump connecting end A, and the eccentric operation of the screw pump connecting end A is adjusted to be concentric operation of the motor connecting end B.
Wherein: the diameter of the screw pump connecting end A of the titanium alloy flexible rod 1 is larger than that of the titanium alloy flexible rod 1, and the diameter of the motor connecting end B of the titanium alloy flexible rod 1 is larger than that of the titanium alloy flexible rod 1; the upper part of the connecting pipe 4 is provided with a suction inlet 6 connected with the liquid inlet cavity.
The utility model discloses an improved latent oil and directly driven screw pump flexible shaft structure, changed the universal joint into titanium alloy flexible rod, titanium alloy has good intensity and toughness, changes into titanium alloy flexible rod after, spare part reduces, and the fault rate reduces, and the axial force that bears in addition just reversing is the same, satisfies different operating condition.
Claims (4)
1. The utility model provides a latent oil directly drives screw pump titanium alloy flexible rod, includes connecting pipe (4) and titanium alloy flexible rod (1), its characterized in that: the screw pump connecting end (A) of the titanium alloy flexible rod (1) is internally provided with a hollow thread, the screw pump connecting end (A) of the titanium alloy flexible rod is connected with the connecting shaft (7) at the end part of the pump rotor, and the outer wall of the connecting shaft at the end part of the pump rotor is provided with a thread matched with the thread in the screw pump connecting end (A) of the titanium alloy flexible rod (1); the interior of a motor connecting end (B) of the titanium alloy flexible rod (1) is in a hollow thread shape, the motor connecting end (B) of the titanium alloy flexible rod (1) is connected with a lower connecting shaft end part (8), and the outer wall of the lower connecting shaft end part (8) is provided with a thread matched with the interior of the motor connecting end (B) of the titanium alloy flexible rod (1); the lower connecting shaft is arranged inside the connecting pipe (4) through an upper righting sleeve (2) and a lower righting sleeve (3) respectively, and the lower righting sleeve end of the lower connecting shaft is connected with a motor rotor; the diameter of the screw pump connecting end (A) of the titanium alloy flexible rod (1) is larger than that of the titanium alloy flexible rod (1), and the diameter of the motor connecting end (B) of the titanium alloy flexible rod (1) is larger than that of the titanium alloy flexible rod (1).
2. The submersible direct-drive screw pump titanium alloy flexible rod as set forth in claim 1, characterized in that: the titanium alloy flexible rod (1) transmits the rotating torque from the motor connecting end (B) to the screw pump connecting end (A), and the eccentric operation of the screw pump connecting end (A) is adjusted to be the concentric operation of the motor connecting end (B).
3. The submersible direct-drive screw pump titanium alloy flexible rod as set forth in claim 1, characterized in that: and the upper part of the connecting pipe (4) is provided with a suction inlet (6) connected with the liquid inlet cavity.
4. The submersible direct-drive screw pump titanium alloy flexible rod as set forth in claim 1, characterized in that: the titanium alloy flexible rod (1) is sleeved inside the connecting pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481209.9U CN210977858U (en) | 2019-09-06 | 2019-09-06 | Submersible direct-drive screw pump titanium alloy flexible rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481209.9U CN210977858U (en) | 2019-09-06 | 2019-09-06 | Submersible direct-drive screw pump titanium alloy flexible rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210977858U true CN210977858U (en) | 2020-07-10 |
Family
ID=71457470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921481209.9U Active CN210977858U (en) | 2019-09-06 | 2019-09-06 | Submersible direct-drive screw pump titanium alloy flexible rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210977858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236555A (en) * | 2021-06-30 | 2021-08-10 | 新乡市夏烽电器有限公司 | Coupling for submersible screw pump |
-
2019
- 2019-09-06 CN CN201921481209.9U patent/CN210977858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236555A (en) * | 2021-06-30 | 2021-08-10 | 新乡市夏烽电器有限公司 | Coupling for submersible screw pump |
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