CN210686287U - Driving lifting device suitable for all-metal conical screw pump - Google Patents
Driving lifting device suitable for all-metal conical screw pump Download PDFInfo
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- CN210686287U CN210686287U CN201921352732.1U CN201921352732U CN210686287U CN 210686287 U CN210686287 U CN 210686287U CN 201921352732 U CN201921352732 U CN 201921352732U CN 210686287 U CN210686287 U CN 210686287U
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Abstract
The utility model provides a drive hoisting device suitable for all-metal tapered screw pump, it can solve the technical problem that current all-metal tapered screw pump has the risk of rotor and stator interlock. The utility model provides a drive hoisting device suitable for all-metal tapered screw pump, its includes that the rotor rotates drive arrangement, and the rotor rotates drive arrangement and includes first motor, and first motor adopts and directly drives synchronous machine, its characterized in that: the rotor rotation driving device also comprises a female transmission sleeve, a male transmission sleeve and a limiting piece, wherein the female transmission sleeve is coaxially fixed with the sleeve part of the rotor of the direct-drive synchronous motor, the male transmission sleeve is inserted into the female transmission sleeve, and the limiting piece is supported at the top of the male transmission sleeve; the driving lifting device further comprises a rotor lifting driving device, the male transmission sleeve is rotatably supported on the screw rod sleeve through a bearing, the worm gear sleeve is arranged outside the screw rod sleeve and matched with the external thread of the screw rod sleeve through an internal thread, and the worm is fixed with the output end of the second motor and matched with the worm gear.
Description
Technical Field
The utility model relates to an all-metal conical screw pump technical field, concretely relates to drive hoisting device suitable for all-metal conical screw pump.
Background
The existing all-metal conical screw pump comprises a stator, a rotor and a drive, wherein the upper part of the stator is connected with an oil pipe, the upper part of the rotor is sequentially connected with a sucker rod and a polished rod, the drive adopts a direct-drive synchronous motor, the direct-drive synchronous motor directly drives the polished rod, transmission parts such as a belt are reduced, the operation efficiency is improved, and the occupied space is small. Because the whole length that rotor, sucker rod and polished rod constitute is up to several hundred to kilometers, under the influence of weight, whole tensile downwards, the rotor moves down, again because rotor and stator be the toper helical structure cooperation, the rotor can directly contact, rub with the stator after moving down, has the risk of rotor and stator interlock.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drive hoisting device suitable for all-metal tapered screw pump, it can solve the technical problem that current all-metal tapered screw pump has the risk of rotor and stator interlock.
The technical scheme is that, a drive hoisting device suitable for all-metal tapered screw pump, it includes rotor rotation drive arrangement, rotor rotation drive arrangement includes first motor, first motor adopts and directly drives synchronous machine, its characterized in that: the rotor rotation driving device further comprises a female transmission sleeve, a male transmission sleeve and a limiting piece, wherein the female transmission sleeve is coaxially fixed with a sleeve part of a rotor of the direct-drive synchronous motor, the male transmission sleeve is inserted into the female transmission sleeve, the male transmission sleeve is in transmission fit with the female transmission sleeve and can slide up and down relative to the female transmission sleeve, the limiting piece is supported at the top of the male transmission sleeve, and the limiting piece is in transmission fit with the male transmission sleeve and can be detachably connected with a polished rod of the all-metal conical screw pump;
the driving and lifting device further comprises a rotor lifting driving device, the rotor lifting driving device comprises a second motor, a worm wheel, a worm, a screw rod sleeve and a bearing, the male transmission sleeve is rotatably supported on the screw rod sleeve through the bearing, the worm wheel is sleeved outside the screw rod sleeve and matched with the external thread of the screw rod sleeve through internal threads, and the worm is fixed with the output end of the second motor and matched with the worm wheel;
the male transmission sleeve and the screw rod sleeve are respectively sleeved outside a polished rod of the all-metal conical screw pump in a sliding manner.
Furthermore, the female transmission sleeve is in transmission fit with the inner hexagonal surface of the male transmission sleeve through the outer hexagonal surface.
Further, the female transmission sleeve is fixed on the inner side of the sleeve part of the rotor.
Furthermore, the female transmission sleeve and the sleeve part of the rotor are integrally formed.
Further, the bottom of the limiting part is connected with the top key of the male transmission sleeve.
Furthermore, the locating part includes the stopper of two symmetries, and the stopper of two symmetries passes through bolt, nut and can dismantle the connection, the stopper is equipped with the arc recess that is used for pressing from both sides tight all-metal tapered screw pump's polished rod, the arc recess inboard is equipped with the tooth.
Further, the bearing is a plane thrust bearing, preferably, the bearing is of a conical structure, a conical bearing matching protrusion is convexly arranged at the bottom of the male transmission sleeve downwards, a conical bearing matching groove is concavely arranged at the top of the lead screw sleeve downwards, and the bearing is arranged between the bearing matching protrusion and the bearing matching groove.
The rotor rotation driving device of the utility model rotates the limiting part through the matching of the female transmission sleeve and the male transmission sleeve, and the limiting part drives the whole rotation of the polished rod, the sucker rod and the rotor to realize the oil pumping function; the rotor lifting driving device is characterized in that the rotor lifting driving device is matched with a lifting male transmission sleeve through a worm, a worm wheel and a lead screw sleeve, the male transmission sleeve drives a polished rod, a sucker rod and a rotor are lifted integrally, effective intervals are kept between the rotor and a stator, the rotor is prevented from being occluded with the stator, and the safety of the all-metal conical screw pump is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.
Fig. 3 is a schematic top view of the male transmission sleeve and the female transmission sleeve.
Fig. 4 is a schematic bottom view of the position limiting member.
Detailed Description
As shown in fig. 1 to 4, a driving and lifting device suitable for an all-metal conical screw pump comprises a rotor rotation driving device, the rotor rotation driving device comprises a first motor 1, the first motor 1 adopts a direct-drive synchronous motor, the rotor rotation driving device further comprises a female transmission sleeve 2, a male transmission sleeve 3 and a limiting piece 4, the female transmission sleeve 2 is coaxially fixed with a sleeve part of a rotor of the direct-drive synchronous motor, preferably, the female transmission sleeve 2 is fixed on the inner side of the sleeve part of the rotor through a bolt, the male transmission sleeve 3 is inserted into the female transmission sleeve 2, the male transmission sleeve 3 is in transmission fit with the female transmission sleeve 2 and can slide up and down relative to the female transmission sleeve 2, preferably, the female transmission sleeve 2 is in transmission fit with an inner hexagonal surface of the male transmission sleeve 3 through an outer hexagonal surface, and can also adopt a spline form of transmission fit, the limiting piece 4 is supported on the top of the male transmission sleeve 3 and is in transmission fit with the male transmission sleeve 3, the limiting piece 4 can be detachably connected with a polished rod 10 of the all-metal conical screw pump;
the driving and lifting device further comprises a rotor lifting driving device, the rotor lifting driving device comprises a second motor 5, a worm wheel 7, a worm 6, a screw rod sleeve 8 and a bearing 9, the male transmission sleeve 3 is rotatably supported on the screw rod sleeve 8 through the bearing 9, the bearing 9 is used for blocking the male transmission sleeve 3 from transmitting torque to the screw rod sleeve 8, the bearing 9 is preferably a plane thrust bearing, the worm wheel 7 is sleeved outside the screw rod sleeve 8 and matched with an external thread of the screw rod sleeve 8 through an internal thread, and the worm 6 is fixed with the output end of the second motor 5 and matched with the worm wheel 7;
the male transmission sleeve 3 and the screw rod sleeve 8 are respectively sleeved outside a polished rod 10 of the all-metal conical screw pump in a sliding manner.
The limiting part 4 comprises two symmetrical limiting blocks 41 which are detachably connected through bolts 5 and nuts 46, an arc-shaped groove 42 used for clamping a polished rod 10 of the all-metal conical screw pump is arranged on the side face of each limiting block 41, teeth 43 are arranged on the inner side of the arc-shaped groove 42, a flat key 44 is convexly arranged on the bottom face of each limiting block 41, a key groove is formed in the top of the male transmission sleeve 3, and the bottom of the limiting part 4 is in key connection with the top of the male transmission sleeve 3.
The bearing 9 is a conical structure, the bottom of the male transmission sleeve 3 is provided with a conical bearing 9 matching protrusion in a downward convex mode, the top of the lead screw sleeve 8 is provided with a conical bearing 9 matching groove in a downward concave mode, and the bearing 9 is installed between the bearing 9 matching protrusion and the bearing 9 matching groove. Compare in general plane thrust bearing, the utility model discloses a bearing of toper structure not only can the separation moment of torsion transmission, has the axial bearing capacity of preferred moreover.
Claims (8)
1. The utility model provides a drive hoisting device suitable for all-metal tapered screw pump, its includes that the rotor rotates drive arrangement, the rotor rotates drive arrangement includes first motor, first motor adopts and directly drives synchronous machine, its characterized in that: the rotor rotation driving device further comprises a female transmission sleeve, a male transmission sleeve and a limiting piece, wherein the female transmission sleeve is coaxially fixed with a sleeve part of a rotor of the direct-drive synchronous motor, the male transmission sleeve is inserted into the female transmission sleeve, the male transmission sleeve is in transmission fit with the female transmission sleeve and can slide up and down relative to the female transmission sleeve, the limiting piece is supported at the top of the male transmission sleeve, and the limiting piece is in transmission fit with the male transmission sleeve and can be detachably connected with a polished rod of the all-metal conical screw pump;
the driving and lifting device further comprises a rotor lifting driving device, the rotor lifting driving device comprises a second motor, a worm wheel, a worm, a screw rod sleeve and a bearing, the male transmission sleeve is rotatably supported on the screw rod sleeve through the bearing, the worm wheel is sleeved outside the screw rod sleeve and matched with the external thread of the screw rod sleeve through internal threads, and the worm is fixed with the output end of the second motor and matched with the worm wheel;
the male transmission sleeve and the screw rod sleeve are respectively sleeved outside a polished rod of the all-metal conical screw pump in a sliding manner.
2. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the female transmission sleeve is in transmission fit with the inner hexagonal profile of the male transmission sleeve through the outer hexagonal profile.
3. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the female transmission sleeve is fixed on the inner side of the sleeve part of the rotor.
4. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the female transmission sleeve and the sleeve part of the rotor are integrally formed.
5. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the bottom of the limiting part is connected with the top key of the male transmission sleeve.
6. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the locating part includes the stopper of two symmetries, and the stopper of two symmetries passes through bolt, nut can dismantle the connection, the stopper is equipped with the arc recess that is used for pressing from both sides tight all-metal tapered screw pump's polished rod, the arc recess inboard is equipped with the tooth.
7. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the bearing is a plane thrust bearing.
8. The drive lifting device for an all-metal tapered screw pump according to claim 1, wherein: the bearing is of a conical structure, a conical bearing matching protrusion is convexly arranged at the bottom of the male transmission sleeve downwards, a conical bearing matching groove is concavely arranged at the top of the lead screw sleeve downwards, and the bearing is arranged between the bearing matching protrusion and the bearing matching groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352732.1U CN210686287U (en) | 2019-08-20 | 2019-08-20 | Driving lifting device suitable for all-metal conical screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352732.1U CN210686287U (en) | 2019-08-20 | 2019-08-20 | Driving lifting device suitable for all-metal conical screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686287U true CN210686287U (en) | 2020-06-05 |
Family
ID=70894638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352732.1U Active CN210686287U (en) | 2019-08-20 | 2019-08-20 | Driving lifting device suitable for all-metal conical screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686287U (en) |
-
2019
- 2019-08-20 CN CN201921352732.1U patent/CN210686287U/en active Active
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