CN214980675U

CN214980675U - Frock is dismantled to circlip for shaft of turbo generator outer magnetic coupler in pit

Info

Publication number: CN214980675U
Application number: CN202120792227.XU
Authority: CN
Inventors: 马俊; 郑长春; 崔鹏飞; 李妍; 林彦伯
Original assignee: Dalian Free Trade Zone Xingyeda Science & Technology Co ltd
Current assignee: Dalian Free Trade Zone Xingyeda Science & Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-03
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a frock is dismantled to circlip for external magnetic coupler axle of turbo generator in pit, include blade holder, driven rotation axis and the initiative rotation axis of fixing on the base in proper order along the axis of base, install the knife rest subassembly on the blade holder, the cutter is fixed on the knife rest subassembly, initiative rotation axis and driven rotation axis are fixed on the base through corresponding thrust bearing respectively; the driving rotating shaft is provided with a driving gear, and the top of the driving rotating shaft is provided with a square handle; install driven gear on the driven rotation axis, driven rotation axis surface still is equipped with the disc, and the disc is located the driven gear top, and the gland is still installed to driven rotation axis's upper portion surface, is furnished with the jackscrew on the gland, driven gear and driving gear interlock. This novel simple structure, it is easy and simple to handle, can dismantle heavy spiral circlip on the turbine magnet steel assembly fast safely, both labour saving and time saving has avoided dismantling personnel hand injured's risk again.

Description

Frock is dismantled to circlip for shaft of turbo generator outer magnetic coupler in pit

Technical Field

The utility model relates to a frock field is dismantled to circlip, in particular to frock is dismantled to circlip for shaft of outer magnetic coupling of turbine generator in pit.

Background

In the drilling of complex wells such as deep wells, horizontal wells, inclined wells, branch wells, extended reach wells and the like, a wireless measurement while drilling system and a rotary steering system are indispensable intelligent tools. An electronic measurement module of the wireless measurement while drilling system and a guide control module of the rotary guide system need to be powered by an underground power supply, the underground power supply comprises a high-temperature storage battery and an underground slurry turbine generator, and the underground turbine generator is the current mainstream.

In drilling operations, in order to remove cuttings from the borehole, a mud is added to the drill pipe, which carries the cuttings from the bottom of the well to the surface. The underground turbine generator utilizes flowing mud to generate electricity, and the working principle is as follows: when the drill bit drills, slurry from a drill stem is guided by the guide wheel, the turbine is flushed to drive the turbine to rotate, the generator rotor is further driven to rotate, and a magnetic field generated by rotor magnetic steel cuts a stator winding of the generator to generate three-phase alternating current.

An On Trak downhole tool of Baker Hughes INTEQ company adopts a downhole turbine generator to supply power, a turbine of the generator and a generator body are in a magnetic coupler connection mode, and the turbine is fixedly connected with magnetic steel of an external magnetic coupler to form turbine magnetic steel 2.

In the turbine magnetic steel assembly, the turbine is sleeved outside the magnetic steel of the external magnetic coupler, and the axial positioning is realized through the elastic retainer ring for the shaft. Because of the turbine belongs to quick-wear part, need dismantle from outer magnetic coupler magnet steel after the damage and change, and the circlip for the axle that here was used is heavy spiral circlip, and the axial between this retaining ring and the outer magnetic coupler magnet steel recess is all very little with radial clearance, and uses this clearance to be filled up by mud in the pit after, dismantles very consuming time power with conventional screwdriver to operating personnel very easily scratches the hand when dismantling.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, this novel circlip dismantles frock for turbine magnetic steel assembly axle of turbine generator in pit that provides.

Aiming at the problems, the following technical scheme is adopted: a tool for disassembling an elastic check ring for an external magnetic coupler shaft of an underground turbine generator comprises a tool apron, a driven rotating shaft and a driving rotating shaft which are sequentially fixed on a base along the central axis of the base, wherein a tool rest assembly is installed on the tool apron, a tool is fixed on the tool rest assembly, and the driving rotating shaft and the driven rotating shaft are respectively fixed on the base through corresponding thrust bearings; the driving rotating shaft is provided with a driving gear, the outer surface of the driving rotating shaft is provided with a shoulder a, the driving gear is arranged on the shoulder a, and the top of the driving rotating shaft is provided with a square handle; driven rotation axis on install driven gear and surface and be equipped with circular bead b, driven gear arranges circular bead b in, driven rotation axis surface still is equipped with the disc, the disc is located the driven gear top, the gland is still installed to driven rotation axis's upper portion surface, is furnished with the jackscrew on the gland, driven gear and driving gear interlock.

Further, the tool rest assembly comprises a bolt, a nut, an outer pressure spring, an inner pressure spring and a stop block, a long strip-shaped through groove is formed in the screw rod of the bolt, the bolt is installed at the top of the tool apron, the outer pressure spring is sleeved outside the screw rod of the bolt, the nut is installed between the top of the outer pressure spring and the bolt head of the bolt, the inner pressure spring is installed in the through groove, and the stop block is installed between the top of the inner pressure spring and the top of the groove.

Further, the tool rest assembly is provided with a tool, and the tool is arranged between the external compression spring and the nut.

Further, the cutter comprises a cutter handle and a cutter head, and the cutter handle and the cutter head are vertical to each other in the horizontal plane direction.

Furthermore, the front end of the cutter head is arc-shaped and is used for being matched with the arc of the upper opening of the elastic check ring, and the rear end of the cutter head is in the shape of an oblique quadrangular prism and is used for being inserted below the upper opening of the elastic check ring.

Furthermore, 3 semicircular bulges are formed at the upper end of the disc and are used for being matched with the semicircular grooves of the turbine magnetic steel component.

Further, the size of the driving gear is smaller than that of the driven gear, and the driving gear is in a small-wheel-with-large-wheel mode.

The utility model discloses beneficial effect: this novel simple structure, it is easy and simple to handle, can dismantle heavy spiral circlip on the turbine magnet steel assembly fast safely, both labour saving and time saving has avoided dismantling personnel hand injured's risk again.

Drawings

FIG. 1 is a sectional view of the front view of the present invention (the central non-cut part is a turbine magnetic steel assembly); fig. 2 is a schematic view of the cutter and the circlip for the screw shaft.

As shown in the figure: 1. a base; 2. a tool apron; 3. a driven rotating shaft; 4. a driving rotating shaft; 5. a thrust bearing a; 6. a thrust bearing b; 7. a cutter; 8. a bolt; 9. a nut; 10. an external pressure spring; 11. an internal pressure spring; 12. a stopper; 13. a driving gear; 14. a shoulder a; 15. a square handle; 16. a driven gear; 17. a shoulder b; 18. a disc; 19. a semicircular bulge; 20. a gland; 21. carrying out top thread; 22. a turbine magnet steel assembly; 23. the spiral shaft is used as an elastic retainer ring.

Detailed Description

Example 1

The utility model discloses the explanation further with the accompanying drawings, as shown in fig. 1-2, a frock is dismantled to outer magnetic coupling ware axle of turbo generator in pit with circlip, blade holder (2) are through two countersunk head screw installation base (1) on, driven rotation axis (3) and initiative rotation axis (4) are installed on the base through thrust bearing an (5) and thrust bearing b (6) respectively, blade holder (2), driven rotation axis (3) and initiative rotation axis (4) are arranged in proper order along the axis of base (1). A tool rest component is arranged on the tool apron (2), and a tool (7) is fixed on the tool rest component. The tool rest assembly comprises a bolt (8), a nut (9), an outer pressure spring (10), an inner pressure spring (11) and a stop block (12), a long-strip-shaped through groove is formed in the screw rod of the bolt (8), the bolt (8) is installed at the top of the tool apron (2), the outer pressure spring (10) is sleeved outside the screw rod of the bolt (8), the nut (9) is installed between the top of the outer pressure spring (10) and the bolt head (8) of the bolt, the inner pressure spring (11) is installed in the through groove, and the stop block (12) is installed between the top of the inner pressure spring (11) and the top of the groove. The outer compression spring (10) and the inner compression spring (11) are both compressed through a two-end fixing method, two ends of the outer compression spring (10) are respectively compressed through the tool apron (2) and the nut (9), and two ends of the inner compression spring (11) are compressed through the tool apron (2) and the stop block (12). The cutter (7) comprises a cutter handle and a cutter head, the cutter handle and the cutter head are vertical to each other in the horizontal plane direction, the front end of the cutter head is arc-shaped, the rear end of the cutter head is in the shape of an oblique quadrangular prism, and the cutter handle of the cutter (7) is arranged between the external pressure spring (10) and the nut (9). The driven rotating shaft (3) and the driving rotating shaft (4) are both in a cylindrical shape, the driving rotating shaft (4) is provided with a driving gear (13), the outer surface of the driving rotating shaft is provided with a shoulder a (14), the driving gear (13) is arranged on the shoulder a (14), and the top of the driving rotating shaft (4) is provided with a square handle (15); install driven gear (16) and the surface is equipped with circular bead b (17) on driven rotation axis (3), driven gear (16) are arranged in on circular bead b (17), driven rotation axis (3) surface still is equipped with disc (18), disc (18) are located driven gear (13) top, disc (18) upper end shaping has 3 semicircular bulge (19), a semicircular groove for agreeing with turbine magnetic steel assembly (22) agrees with, gland (20) are still installed to the upper portion surface of driven rotation axis (3), be furnished with jackscrew (21) on the gland, driving gear (13) size is less than driven gear (16), driven gear (16) and driving gear (13) interlock, adopt the bull wheel mode of steamboat.

The working principle is as follows: after the turbine magnetic steel component (22) is fixed on the driven rotating shaft (3) of the tool, the gland (20) is positioned above the turbine magnetic steel component (22), and the turbine magnetic steel component (22) is pressed through the jackscrew (21), so that the axial fixation is ensured to be firm; the arc-shaped front end and the oblique quadrangular rear end of a cutter head of the cutter (7) are aligned with an upper opening of an elastic retainer ring (23) for a spiral shaft, and an external pressure spring (10) and an internal pressure spring (11) provide continuous upward force for the cutter (7); then clockwise rotates the square handle (15) on the driving rotating shaft (4), and the driving rotating shaft (4) and the driving gear (13) rotate along with the square handle; then the driven gear (16) is driven to rotate anticlockwise together with the driven rotating shaft (3), and the turbine magnetic steel component (22) also rotates synchronously; the cutter (7) then gradually pulls out the elastic retainer ring (23) for the screw shaft to enable the elastic retainer ring to leave the groove of the turbine magnetic steel component (22) until the elastic retainer ring is completely dismounted.

Claims

1. A tool for disassembling an elastic check ring for an external magnetic coupler shaft of an underground turbine generator comprises a tool apron, a driven rotating shaft and a driving rotating shaft which are sequentially fixed on a base along the central axis of the base, and is characterized in that a tool rest assembly is mounted on the tool apron, a tool is fixed on the tool rest assembly, and the driving rotating shaft and the driven rotating shaft are respectively fixed on the base through corresponding thrust bearings; the driving rotating shaft is provided with a driving gear, the outer surface of the driving rotating shaft is provided with a shoulder a, the driving gear is arranged on the shoulder a, and the top of the driving rotating shaft is provided with a square handle; driven rotation axis on install driven gear and surface and be equipped with circular bead b, driven gear arranges circular bead b in, driven rotation axis surface still is equipped with the disc, the disc is located the driven gear top, the gland is still installed to driven rotation axis's upper portion surface, is furnished with the jackscrew on the gland, driven gear and driving gear interlock.

2. The tool for disassembling the elastic check ring for the outer magnetic coupler shaft of the downhole turbine generator according to claim 1, wherein the tool rest assembly comprises a bolt, a nut, an outer pressure spring, an inner pressure spring and a stop block, a long strip-shaped through groove is formed in a screw rod of the bolt, the bolt is installed at the top of the tool apron, the outer pressure spring is sleeved outside the screw rod of the bolt, the nut is installed between the top of the outer pressure spring and the bolt head of the bolt, the inner pressure spring is installed in the through groove, and the stop block is installed between the top of the inner pressure spring and the top of the groove.

3. The tool for dismounting the circlip for the external magnetic coupler shaft of the downhole turbine generator as claimed in claim 2, wherein the tool holder assembly is provided with a tool, and the tool is arranged between the external compression spring and the nut.

4. The tool for detaching the elastic check ring for the shaft of the external magnetic coupler of the downhole turbine generator as claimed in claim 3, wherein the tool comprises a tool shank and a tool bit, and the tool shank and the tool bit are perpendicular to each other in the horizontal plane direction.

5. The tool for disassembling the elastic check ring for the shaft of the external magnetic coupler of the downhole turbine generator according to claim 4, wherein the front end of the tool bit is arc-shaped, and the rear end of the tool bit is in a shape of an oblique quadrangular prism.

6. The tool for disassembling the circlip for the shaft of the external magnetic coupler of the downhole turbine generator as claimed in claim 1, wherein 3 semicircular protrusions are formed at the upper end of the disc.

7. The tool for disassembling the circlip for the shaft of the external magnetic coupler of the downhole turbine generator as claimed in claim 1, wherein the size of the driving gear is smaller than that of the driven gear.