CN210178333U - Magnetic descaling instrument for underground electric pump unit - Google Patents

Abstract

The utility model provides a magnetic force scale removal instrument for charge pump unit in pit, including the pressure-bearing outer tube, the connecting rod can clear up the coupling structure, but manual rotation protection casing structure can clean up fixed nested structure, fixed cover, dead lever, connection pad, left connecting rod, right connecting rod, helix, electromagnetic control board, communication board, fin, adapter sleeve, oil pipe welded part, lower direction taper sleeve, protective cover and handle. The utility model is provided with the upper guide taper sleeve, the coupling, the wiping sleeve, the supporting sheet, the protective rod, the protective sleeve, the holding rod, the polishing sleeve and the sealing sleeve, which is beneficial to wiping and cleaning the sundries in the underground electric pump unit by matching the protective sleeve with the holding rod and the polishing sleeve; the protection casing, roller bearing, the inserted bar, the pipe of pegging graft, the setting of inserted bar, guard plate and stay is favorable to utilizing inserted bar cooperation roller bearing and inserted bar to carry out manual rotation to the scale removal instrument.

Description

Magnetic descaling instrument for underground electric pump unit

Technical Field

The utility model belongs to the technical field of magnetic force scale removal, especially, relate to a magnetic force scale removal instrument for charge pump unit in pit.

Background

At present, an electromagnetic scale prevention and removal instrument is used for a well with scale below a medium degree, and the characteristics of energy transfer and conversion are mainly utilized, namely, the energy levels of some molecules of fluid are jumped under the action of a magnetic field and are jumped from a lower energy level to a higher energy level, so that the activity of the fluid is enhanced, certain substances cannot be adhered to the wall of the pipe, and scales are difficult to survive. Secondly, the scale molecules repel each other under the action of the magnetic field by utilizing the action of the magnetic field, and the original arrangement is broken, so that the scale molecules can only be suspended in the liquid and are not easy to deposit on the pipe wall. Thereby achieving the purpose of preventing and removing scale.

The electromagnetic scale prevention and removal instrument of the underground electric pump unit can effectively prevent scale molecules from crystallizing under normal conditions, and has a scale removal effect of less than 100% on stubborn scale substances such as barium sulfate, strontium sulfate and the like.

However, the existing magnetic descaling instrument for the underground electric pump unit also has the problems that the cleaning of sundries in the underground electric pump unit is inconvenient, the manual rotation is inconvenient, and the cleaning of sundries on the radiating fins is inconvenient.

Therefore, it is necessary to invent a magnetic scale removing apparatus for a downhole electric pump assembly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a magnetic force scale removal instrument for underground electric pump unit to the magnetic force scale removal instrument who solves current underground electric pump unit is inconvenient cleans the clearance to the debris in the underground electric pump unit, and inconvenient manual rotation carries out the problem of clearing up with inconvenient debris on the fin. A magnetic descaling instrument for an underground electric pump unit comprises a pressure-bearing outer pipe, a connecting rod, a cleanable coupling structure, a manually-rotatable protective cover structure, a cleanable fixed sleeve structure, a fixed sleeve, a fixed rod, a connecting disc, a left connecting rod, a right connecting rod, a spiral line, an electromagnetic control panel, a communication plate, a radiating fin, a connecting sleeve, an oil pipe welding part, a lower guide taper sleeve, a protective cover and a handle, wherein the connecting rod is transversely inserted in the middle position on the left side inside the pressure-bearing outer pipe; the cleanable coupling structure is arranged on the left side of the outer surface of the connecting rod; the manual rotary protective cover structure is arranged on the right side of the pressure-bearing outer pipe; the fixed sleeve structure capable of being cleaned and cleaned is arranged in the middle of the outer surface of the fixed rod; the fixed sleeve is embedded at the right side of the connecting rod; the fixed rod is inserted at the right side inside the fixed sleeve; the connecting disc is embedded at the right side of the fixing rod; the left connecting rod is embedded in the middle position of the right side of the connecting disc; the right connecting rod is embedded in the middle of the right side of the left connecting rod; the spiral lines are respectively wound on the right side of the outer surface of the left connecting rod of the shaft and the left side of the outer surface of the right connecting rod of the shaft; the electromagnetic control panel is respectively connected to the upper part of the right side of the inner side of the pressure-bearing outer pipe and the lower part of the right side of the inner part of the pressure-bearing outer pipe through screws; the communication plate is connected to the middle position of the lower part of the inner side of the pressure-bearing outer pipe through a screw; the radiating fins are respectively embedded in the upper part of the left side in the pressure-bearing outer pipe and the lower part of the left side in the pressure-bearing outer pipe; the connecting sleeve is embedded in the right connecting rod; the oil pipe welding part is embedded in the middle of the right side of the connecting sleeve; the lower guide taper sleeve is sleeved on the right side of the outer surface of the oil pipe welding part; the protective cover is buckled on the left side of the bottom of the pressure-bearing outer pipe; the handle screw is connected to the left side of the bottom of the protective cover; the cleanable coupling structure comprises an upper guide taper sleeve, a coupling, a wiping sleeve, a supporting sheet, a protective rod, a protective sleeve, a holding rod, a polishing sleeve and a sealing sleeve, wherein the coupling is embedded in the middle position of the left side in the upper guide taper sleeve; the wiping sleeve is sleeved at the middle position of the outer surface of the coupling; the supporting sheet is embedded on the left side of the front surface of the upper guide taper sleeve; the guard bar screw is connected to the upper part of the right side of the support sheet; the protective sleeve is sleeved at the middle position of the outer surface of the protective rod; the holding rod is embedded in the middle of the bottom of the protective sleeve; the polishing sleeve is embedded at the lower part of the outer surface of the holding rod; the seal cover is sleeved on the right side of the outer surface of the protective sleeve.

Preferably, the radiating fins are hollow aluminum alloy sheets; the radiating fins are arranged opposite to each other.

Preferably, a rubber sealing strip is arranged at the joint of the pressure-bearing outer pipe and the protective cover; the rubber sealing strip is glued to the outer wall of the protective cover.

Preferably, the lower guide taper sleeve and the upper guide taper sleeve are respectively made of a silicon steel sleeve.

Preferably, the wiping sleeve is a nylon cloth sleeve; a sponge layer is embedded in the inner side of the wiping sleeve; the polishing sleeve is a PVC plastic sleeve; the outer surface of the PVC plastic sleeve is embedded with sandpaper sheets.

Preferably, the manually rotatable protective cover structure comprises a protective cover, a roller bearing, an insertion rod, an insertion pipe, an insertion rod, a protective plate and a locking sheet, wherein the roller bearing is embedded in the right side of the interior of the protective cover; the inserted bar is transversely inserted at the right side in the roller bearing; the insertion pipe is embedded at the right side of the insertion rod; the insertion rod is longitudinally inserted in the middle of the insertion pipe; the protective plate is embedded in the middle of the upper part of the front surface of the protective cover; the locking pieces are respectively connected to the left side and the right side of the front surface of the protection plate through screws.

Preferably, the inserted bar is connected with an inner ring of the roller bearing in an interference fit manner; the diameter of the roller bearing is set to be thirty millimeters to thirty-five millimeters.

Preferably, a sponge layer is arranged at the joint of the protection plate and the locking sheet; the sponge layer is embedded on the inner wall of the locking sheet.

Preferably, the fixed sleeve structure capable of being cleaned and cleaned comprises a fastening sleeve, a bottom plate, a cleaning brush, a locking screw, a fastening plate and a cleaning plate, wherein the bottom plate is embedded at the lower part of the fastening sleeve; the cleaning brush is glued at the middle position of the bottom plate; the locking screws are respectively in threaded connection with the middle positions of the left side and the right side of the front surface of the fastening sleeve; the fastening piece is embedded at the upper part of the fastening sleeve; the wiping piece is glued on the upper part of the fastening piece.

Preferably, the cleaning brush body adopts a nylon soft brush.

Preferably, the thickness of the wiping sheet is set to be two centimeters to four centimeters; the wiping sheet is a sponge sheet.

Preferably, the upper guide taper sleeve is embedded with the connecting rod.

Preferably, the protective cover is connected with the pressure-bearing outer pipe through a bolt.

Preferably, the fastening sleeve is in threaded connection with the fixing rod through a locking screw.

Preferably, the electromagnetic control panel is an electromagnetic control panel with a model number of JHZB-18006; the communication board is specifically a communication board with the model number of EH 60-485B.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, last direction taper sleeve, the coupling, clean the cover, the backing sheet, the guard bar, the lag, the holding rod, the setting of the cover and the seal cover of polishing is favorable to utilizing lag cooperation holding rod and the cover of polishing to clean the clearance to the debris in the electric pump unit in the pit.

2. The utility model discloses in, protection casing, roller bearing, the inserted bar, the pipe of pegging graft, the setting of inserted bar, guard plate and stay is favorable to utilizing inserted bar cooperation roller bearing and inserted bar to carry out manual rotation to the scale removal instrument.

3. The utility model discloses in, adapter sleeve, film, cleaning brush, locking screw, the mounting plate and the setting of cleaning the piece are favorable to utilizing the cleaning brush and cleaning the piece and clear up the debris on the fin.

4. In the utility model, the radiating fins are hollow aluminum alloy sheets; the radiating fins and the radiating fins are arranged oppositely, so that ventilation and heat dissipation are facilitated for the interior of the pressure-bearing outer pipe.

5. In the utility model, the joint of the pressure-bearing outer pipe and the protective cover is provided with a rubber sealing strip; the rubber sealing strip splice on the outer wall of protective cover, be favorable to increasing the compactness between pressure-bearing outer tube and the protective cover.

6. In the utility model, the wiping sleeve is a nylon cloth sleeve; a sponge layer is embedded in the inner side of the wiping sleeve; the polishing sleeve is a PVC plastic sleeve; the outer surface of the PVC plastic sleeve is embedded with sandpaper sheets, so that sundries in the underground electric pump unit can be wiped and polished.

7. In the utility model, the inserted bar is connected with the inner ring of the roller bearing in an interference fit way; the diameter of the roller bearing is set to be thirty-five millimeters, so that the sliding of the inserted bar and the inner ring of the roller bearing is prevented.

8. In the utility model, the joint of the protection plate and the locking sheet is provided with a sponge layer; the sponge layer is embedded on the inner wall of the locking sheet, and the insertion rod is prevented from being scratched.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic structural diagram of the coupling structure capable of being cleaned.

Fig. 3 is a schematic structural diagram of the manually rotatable protective cover structure of the present invention.

Fig. 4 is a schematic structural view of the fixing sleeve structure capable of being cleaned.

In the figure:

1. a pressure-bearing outer pipe; 2. a connecting rod; 3. the coupling structure can be cleaned; 31. an upper guide taper sleeve; 32. a coupling; 33. wiping the sleeve; 34. a support sheet; 35. a guard bar; 36. a protective sleeve; 37. a holding rod; 38. polishing the sleeve; 39. sealing sleeves; 4. the protective cover structure can be manually rotated; 41. a protective cover; 42. a roller bearing; 43. inserting a rod; 44. inserting a pipe; 45. a plug rod; 46. a protection plate; 47. a locking piece; 5. the fixed sleeve structure can be cleaned; 51. fastening sleeves; 52. a negative film; 53. cleaning a brush; 54. locking the screw; 55. a fastening tab; 56. a wiping sheet; 6. fixing a sleeve; 7. fixing the rod; 8. a connecting disc; 9. a left connecting rod; 10. a right connecting rod; 11. a helical line; 12. an electromagnetic control panel; 13. a communication board; 14. a heat sink; 15. connecting sleeves; 16. welding the components by the oil pipe; 17. a lower guide taper sleeve; 18. a protective cover; 19. a handle.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 4

The utility model provides a magnetic force scale removal instrument for electric pump unit in pit, including pressure-bearing outer tube 1, connecting rod 2 can clear up coupling structure 3, but manual rotation protection casing structure 4 can clean up fixed cover structure 5, fixed cover 6, dead lever 7, connection pad 8, left connecting rod 9, right connecting rod 10, helix 11, electromagnetic control panel 12, communication board 13, fin 14, adapter sleeve 15, oil pipe welding part 16, lower direction taper sleeve 17, protective cover 18 and handle 19, connecting rod 2 transversely peg graft in the left intermediate position in pressure-bearing outer tube 1; the cleanable coupling structure 3 is arranged on the left side of the outer surface of the connecting rod 2; the manual rotary protective cover structure 4 is arranged on the right side of the pressure-bearing outer pipe 1; the fixed sleeve structure 5 capable of being cleaned and cleaned is arranged in the middle of the outer surface of the fixed rod 7; the fixed sleeve 6 is embedded at the right side of the connecting rod 2; the fixed rod 7 is inserted at the right side inside the fixed sleeve 6; the connecting disc 8 is embedded at the right side of the fixing rod 7; the left connecting rod 9 is embedded in the middle position of the right side of the connecting disc 8; the right connecting rod 10 is embedded in the middle of the right side of the left connecting rod 9; the spiral lines 11 are respectively wound on the right side of the outer surface of the left connecting rod 9 of the shaft and the left side of the outer surface of the right connecting rod 10 of the shaft; the electromagnetic control panel 12 is respectively connected with the upper part of the right side of the inner side of the pressure-bearing outer pipe 1 and the lower part of the right side of the inner part of the pressure-bearing outer pipe 1 through screws; the communication plate 13 is connected with the middle position of the lower part of the inner side of the pressure-bearing outer pipe 1 through a screw; the radiating fins 14 are respectively embedded in the upper part of the left side inside the pressure-bearing outer pipe 1 and the lower part of the left side inside the pressure-bearing outer pipe 1; the connecting sleeve 15 is embedded in the right connecting rod 10; the oil pipe welding part 16 is embedded in the middle of the right side of the connecting sleeve 15; the lower guide taper sleeve 17 is sleeved on the right side of the outer surface of the oil pipe welding part 16; the protective cover 18 is buckled on the left side of the bottom of the pressure-bearing outer pipe 1; the handle 19 is connected to the left side of the bottom of the protective cover 18 through a screw; the cleanable coupling structure 3 comprises an upper guide taper sleeve 31, a coupling 32, a wiping sleeve 33, a supporting sheet 34, a protective rod 35, a protective sleeve 36, a holding rod 37, a polishing sleeve 38 and a sealing sleeve 39, wherein the coupling 32 is embedded in the middle position of the left side in the upper guide taper sleeve 31; the wiping sleeve 33 is sleeved at the middle position of the outer surface of the coupling 32; the supporting sheet 34 is embedded at the left side of the front surface of the upper guide taper sleeve 31; the guard bar 35 is connected to the upper part of the right side of the supporting plate 34 through a screw; the protective sleeve 36 is sleeved at the middle position of the outer surface of the protective rod 35; the holding rod 37 is embedded in the middle of the bottom of the protective sleeve 36; the grinding sleeve 38 is embedded at the lower part of the outer surface of the holding rod 37; the sealing sleeve 39 is sleeved on the right side of the outer surface of the protective sleeve 36.

In the above embodiment, specifically, the heat sink 14 specifically adopts a hollowed-out aluminum alloy sheet; the radiating fins 14 are arranged opposite to the radiating fins 14.

In the above embodiment, specifically, a rubber sealing strip is arranged at the joint between the pressure-bearing outer pipe 1 and the protective cover 18; the rubber sealing strip is glued to the outer wall of the protecting cover 18.

In the above embodiment, specifically, the lower guide taper sleeve 17 and the upper guide taper sleeve 31 are respectively made of a silicon steel sleeve.

In the above embodiment, specifically, the wiping sleeve 33 specifically adopts a nylon cloth sleeve; a sponge layer is embedded in the inner side of the wiping sleeve 33; the polishing sleeve 38 is a PVC plastic sleeve; the outer surface of the PVC plastic sleeve is embedded with sandpaper sheets.

In the above embodiment, specifically, the manually rotatable protective cover structure 4 includes a protective cover 41, a roller bearing 42, a plug rod 43, a plug pipe 44, a plug rod 45, a protection plate 46 and a locking plate 47, wherein the roller bearing 42 is embedded at the right side inside the protective cover 41; the inserting rod 43 is transversely inserted at the right side in the roller bearing 42; the insertion pipe 44 is embedded at the right side of the insertion rod 43; the insertion rod 45 is longitudinally inserted in the middle position inside the insertion pipe 44; the protection plate 46 is embedded in the middle of the upper part of the front surface of the protection cover 41; the locking pieces 47 are respectively screwed on the left and right sides of the front surface of the protection plate 46.

In the above embodiment, specifically, the insertion rod 43 is connected with the inner ring of the roller bearing 42 in an interference fit manner; the diameter of the roller bearing 42 is set to thirty-five millimeters.

In the above embodiment, specifically, a sponge layer is disposed at the joint of the protection plate 46 and the locking sheet 47; the sponge layer is embedded on the inner wall of the locking sheet 47.

In the above embodiment, specifically, the fixed sleeve structure 5 capable of wiping and cleaning includes a fastening sleeve 51, a bottom plate 52, a cleaning brush 53, a locking screw 54, a fastening plate 55 and a wiping plate 56, wherein the bottom plate 52 is embedded in the lower portion of the fastening sleeve 51; the cleaning brush 53 is glued at the middle position of the bottom sheet 52; the locking screws 54 are respectively in threaded connection with the middle positions of the left side and the right side of the front surface of the fastening sleeve 51; the fastening piece 55 is embedded at the upper part of the fastening sleeve 51; the wiping tab 56 is glued to the upper part of the fastening tab 55.

In the above embodiment, specifically, the cleaning brush 53 is specifically a nylon soft brush.

In the above embodiment, specifically, the thickness of the wiping sheet 56 is set to be two centimeters to four centimeters; the wiping sheet 56 is specifically a sponge sheet.

In the above embodiment, specifically, the upper guiding taper sleeve 31 is embedded in the connecting rod 2.

In the above embodiment, specifically, the protective cover 41 is connected to the pressure-bearing outer pipe 1 by bolts.

In the above embodiment, specifically, the fastening sleeve 51 is screwed with the fixing rod 7 through the locking screw 54.

In the above embodiment, specifically, the electromagnetic control board 12 specifically adopts an electromagnetic control board with a model number of JHZB-18006; the communication board 13 is a communication board with model number EH 60-485B.

Principle of operation

When the utility model is used, firstly, the cleaning sleeve 33 on the coupling 32 is put into the electric pump unit needing to be descaled, then the external power supply of the descaler is switched on, then the control switch on the electromagnetic control panel 12 on the descaler is pressed, then the communication panel 13 is started by using the electromagnetic control panel 12, then the electromagnetic control panel 12 is used for controlling the spiral line 11 to start working, then the connecting rod 2 is driven to rotate by the magnetic force generated by the spiral line 11 and the spiral line 11, then the connecting rod 2 drives the coupling 32 on the guide taper sleeve 31 to rotate, so as to descale the electric pump unit, then the cleaning sleeve 33 on the coupling 32 is used for cleaning sundries on the electric pump unit, if the outer surface of the electric pump unit has rust, firstly, the electric pump sealing sleeve 39 is taken down, then the protecting sleeve 36 is taken down, the holding rod 37 is held by hand, and the rust of, if the descaling instrument cannot rotate due to damage of the spiral line 11, the inserting rod 45 is held by a hand to rotate the inserting rod 43, then the inserting rod 43 is used to drive the lower guide taper sleeve 17 to rotate, then the lower guide taper sleeve 17 drives the oil pipe welding part 16 to rotate, then the oil pipe welding part 16 drives the right connecting rod 10 on the connecting sleeve 15 to rotate, then the right connecting rod 10 drives the left connecting rod 9 to rotate, then the left connecting rod 9 drives the fixing rod 7 on the connecting disc 8 to rotate, then the fixing rod 7 drives the connecting rod 2 on the fixing sleeve 6 to rotate, then the connecting rod 2 drives the coupling 32 on the upper guide taper sleeve 31 to rotate, so that the descaling instrument can be manually operated, in the rotating process of the fixing rod 7, the fixing rod 7 drives the fastening sleeve 51 to rotate, then the fastening sleeve 51 is used to drive the cleaning brush 53 and the cleaning sheet 56 to rotate, so that sundries on the radiating fins 14 can, then the sundries in the pressure-bearing outer pipe 1 are cleaned out through the left side of the bottom of the pressure-bearing outer pipe 1.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The magnetic descaling instrument for the underground electric pump unit is characterized by comprising a pressure-bearing outer pipe (1), a connecting rod (2), a cleanable coupling structure (3), a manually-rotatable protective cover structure (4), a cleanable fixed sleeve structure (5), a fixed sleeve (6), a fixed rod (7), a connecting disc (8), a left connecting rod (9), a right connecting rod (10), a spiral line (11), an electromagnetic control panel (12), a communication plate (13), a radiating fin (14), a connecting sleeve (15), an oil pipe welding part (16), a lower guide taper sleeve (17), a protective cover (18) and a handle (19), wherein the connecting rod (2) is transversely inserted in the middle position on the left side inside the pressure-bearing outer pipe (1); the cleanable coupling structure (3) is arranged on the left side of the outer surface of the connecting rod (2); the manual rotary protective cover structure (4) is arranged on the right side of the pressure-bearing outer pipe (1); the fixed sleeve structure (5) capable of being cleaned and cleaned is arranged in the middle of the outer surface of the fixed rod (7); the fixed sleeve (6) is embedded at the right side of the connecting rod (2); the fixed rod (7) is inserted at the right side inside the fixed sleeve (6); the connecting disc (8) is embedded at the right side of the fixing rod (7); the left connecting rod (9) is embedded in the middle position of the right side of the connecting disc (8); the right connecting rod (10) is embedded in the middle of the right side of the left connecting rod (9); the spiral line (11) is respectively wound on the right side of the outer surface of the left connecting rod (9) of the shaft and the left side of the outer surface of the right connecting rod (10); the electromagnetic control panel (12) is respectively connected to the upper part of the right side of the inner side of the pressure-bearing outer pipe (1) and the lower part of the right side of the inner part of the pressure-bearing outer pipe (1) through screws; the communication plate (13) is connected to the middle position of the lower part of the inner side of the pressure-bearing outer pipe (1) through a screw; the radiating fins (14) are respectively embedded in the upper part of the left side in the pressure-bearing outer pipe (1) and the lower part of the left side in the pressure-bearing outer pipe (1); the connecting sleeve (15) is embedded in the right connecting rod (10); the oil pipe welding part (16) is embedded in the middle of the right side of the connecting sleeve (15); the lower guide taper sleeve (17) is sleeved on the right side of the outer surface of the oil pipe welding part (16); the protective cover (18) is buckled on the left side of the bottom of the pressure-bearing outer pipe (1); the handle (19) is connected to the left side of the bottom of the protective cover (18) through a screw; the cleanable coupling structure (3) comprises an upper guide taper sleeve (31), a coupling (32), a wiping sleeve (33), a supporting sheet (34), a protective rod (35), a protective sleeve (36), a holding rod (37), a polishing sleeve (38) and a sealing sleeve (39), wherein the coupling (32) is embedded in the middle position of the left side in the upper guide taper sleeve (31); the wiping sleeve (33) is sleeved at the middle position of the outer surface of the coupling (32); the supporting sheet (34) is embedded on the left side of the front surface of the upper guide taper sleeve (31); the guard bar (35) is connected to the upper part of the right side of the support sheet (34) through a screw; the protective sleeve (36) is sleeved in the middle of the outer surface of the protective rod (35); the holding rod (37) is embedded in the middle of the bottom of the protective sleeve (36); the polishing sleeve (38) is embedded at the lower part of the outer surface of the holding rod (37); the sealing sleeve (39) is sleeved on the right side of the outer surface of the protective sleeve (36).

2. The magnetic descaling apparatus for electric downhole pump units according to claim 1, wherein the heat sink (14) is a hollowed-out aluminum alloy sheet; the radiating fins (14) are arranged opposite to the radiating fins (14).

3. The magnetic descaling apparatus for electric downhole pump units according to claim 1, wherein the joint of the pressure-bearing outer pipe (1) and the protective cover (18) is provided with a rubber sealing strip; the rubber sealing strip is glued on the outer wall of the protective cover (18).

4. The magnetic scale removing apparatus for electric downhole pump assembly according to claim 1, wherein the lower guide cone (17) and the upper guide cone (31) are respectively made of a silicon steel sleeve.

5. The magnetic descaling apparatus for electric downhole pump units according to claim 1, wherein the wiping sleeve (33) is a nylon cloth sleeve; a sponge layer is embedded in the inner side of the wiping sleeve (33); the polishing sleeve (38) is a PVC plastic sleeve; the outer surface of the PVC plastic sleeve is embedded with sandpaper sheets.

6. The magnetic descaling apparatus for electric downhole pump assemblies according to claim 1, wherein the manually rotatable shield structure (4) comprises a shield (41), a roller bearing (42), a plug rod (43), a plug pipe (44), a plug rod (45), a protection plate (46) and a locking sheet (47), wherein the roller bearing (42) is embedded at the right side inside the shield (41); the inserted rod (43) is transversely inserted at the right side in the roller bearing (42); the insertion pipe (44) is embedded at the right side of the insertion rod (43); the insertion rod (45) is longitudinally inserted in the middle position inside the insertion pipe (44); the protection plate (46) is embedded in the middle of the upper part of the front surface of the protection cover (41); the locking sheets (47) are respectively connected to the left side and the right side of the front surface of the protection plate (46) through screws.

7. The magnetic descaling apparatus for electric downhole pump units according to claim 6, wherein the plunger (43) is connected with the inner ring of the roller bearing (42) in an interference fit manner; the diameter of the roller bearing (42) is set to be thirty millimeters to thirty-five millimeters.

8. The magnetic scale removal apparatus for an electric downhole pump unit according to claim 6, wherein a sponge layer is arranged at the joint of the protection plate (46) and the locking sheet (47); the sponge layer is embedded on the inner wall of the locking sheet (47).

9. The magnetic scale removal apparatus for electric downhole pump assemblies according to claim 1, wherein the cleanable retaining sleeve structure (5) comprises a retaining sleeve (51), a bottom plate (52), a cleaning brush (53), a locking screw (54), a retaining plate (55) and a wiping plate (56), wherein the bottom plate (52) is embedded in the lower portion of the retaining sleeve (51); the cleaning brush (53) is glued at the middle position of the bottom sheet (52); the locking screws (54) are respectively in threaded connection with the middle positions of the left side and the right side of the front surface of the fastening sleeve (51); the fastening piece (55) is embedded at the upper part of the fastening sleeve (51); the wiping sheet (56) is glued on the upper part of the fastening sheet (55).

10. The magnetic descaling apparatus for electric downhole pump assemblies according to claim 9, wherein the cleaning brush (53) is a nylon soft brush.

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