CN211819966U - Cable protection and unit anti-lifting combined device for submersible electric pump - Google Patents
Cable protection and unit anti-lifting combined device for submersible electric pump Download PDFInfo
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- CN211819966U CN211819966U CN202020397993.1U CN202020397993U CN211819966U CN 211819966 U CN211819966 U CN 211819966U CN 202020397993 U CN202020397993 U CN 202020397993U CN 211819966 U CN211819966 U CN 211819966U
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Abstract
The utility model discloses a cable protection and unit anti-lifting combination device for a submersible electric pump, which comprises a main shaft, a well cover, the submersible electric pump, a cable sealing pipe and a combination mechanism, wherein the submersible electric pump is arranged in the main shaft, the top outlet end of the submersible electric pump is fixedly connected with the cable sealing pipe, the top of the cable sealing pipe is fixedly connected with the combination mechanism, and the top of the main shaft is fixedly provided with the well cover; the utility model has the advantages that the well cover is well installed, the pressing plate and the sealing gasket are fixed on the well cover, the lifting-proof pressing ring is sleeved in the well cover, and the submersible electric pump is tightly pressed by the screw rod and locked, so that the phenomena of lifting, rotation, inclination and the like of the submersible electric pump can be effectively prevented; the cable gland sets up the direct contact who keeps apart conveying medium and cable, and sealed setting up that fills up, O type sealing washer and the sealed pad of being qualified for the next round of competitions simultaneously can effectively seal, prevents that outside conveying medium from getting into inside the cable gland through fitting surface and gap to effectively protect the cable.
Description
Technical Field
The utility model relates to a submerged motor pump technical field, concretely relates to cable protection and unit are prevented lifting composite set for submerged motor pump.
Background
The submersible electric pump is widely applied to the fields of industrial and agricultural production, mines, urban construction and the like, and is mainly used for drainage of stagnant water, irrigation, landscape, source water lifting, river treatment and the like;
the submersible electric pump mostly adopts a shaft barrel type installation mode for maintenance and repair, and typical shaft type installation modes comprise a steel shaft, a cement shaft and the like. In actual application of the submersible electric pump, a submersible electric pump unit is lifted, rotated and inclined due to reverse torque generated by starting the water pump or reverse water thrust generated by reverse rotation of the water pump, so that a cable of the submersible electric pump is stirred and rotated, and finally, the cable is damaged or broken to cause the submersible electric pump unit to be incapable of running, or the submersible electric pump unit is inclined to cause running faults such as unit vibration and the like; meanwhile, as the submersible electric pump is arranged in a shaft and the cable is in contact with a conveying medium, the cable is abraded due to long-term scouring or foreign matter impact, finally water on the damaged outer surface of the cable enters the cable from the damaged part and flows into the inner cavity of the motor through the gap of the core wire of the cable, and the motor water inflow alarm cannot be operated or the stator is burnt out to generate a major quality accident.
Disclosure of Invention
In order to overcome foretell technical problem, an object of the utility model is to provide a cable protection and unit are prevented lifting composite set for submerged motor pump, to current pit shaft formula installation submerged motor pump in the use, submerged motor pump is with motor cable and transport medium contact, the cable erodees for a long time or receives the foreign matter impact and can lead to cable wearing and tearing, the submerged motor pump unit starts the reverse moment or the water pump reversal of production and produces reverse water thrust and easily takes place the pump body and rotate or incline, lead to the problem of accidents such as unit operation unstability or trouble. The utility model discloses a cable protection and unit anti-lift composite set for submerged motor pump can prevent effectively that submerged motor pump unit from taking place to lift trouble such as machine, rotation, slope, cable wearing and tearing in the submerged motor pump operation process.
The purpose of the utility model can be realized by the following technical scheme:
a cable protection and unit anti-lifting combination device for a submersible electric pump comprises a main shaft, a well cover, the submersible electric pump, a cable sealing pipe and a combination mechanism, wherein the submersible electric pump is arranged in the main shaft, the top outlet end of the submersible electric pump is fixedly connected with the cable sealing pipe, the top of the cable sealing pipe is fixedly connected with the combination mechanism, the top of the main shaft is fixedly provided with the well cover, and the well cover is fixedly connected with the combination mechanism;
the main shaft comprises a first cylinder body, a seat ring is fixedly welded at the bottom of the first cylinder body, the seat ring adopts a 60-degree taper angle, and a submersible electric pump is placed on the seat ring; a foundation flange and a reinforcing rib plate are fixedly welded on the outer part of the first cylinder body, and the foundation flange is positioned above the reinforcing rib plate; and a side shaft is fixedly arranged on one side of the first cylinder body.
As a further aspect of the present invention: the cable sealing pipe comprises a cable pipe, hanging plates are fixedly mounted at two ends of the top of the cable pipe, an upper flange is mounted at the top of the cable pipe, a taper pipe is fixedly mounted at the bottom of the cable pipe, a second barrel is fixedly mounted at the bottom of the taper pipe, a lower flange is fixedly mounted at the bottom of the second barrel, the lower flange is fixedly connected with a flange on the submersible electric pump, and a top leading-out end of the submersible electric pump is inserted into the second barrel and the taper pipe.
As a further aspect of the present invention: the combined mechanism comprises a sealing pipe, a pressing ring, a sealing seat, a pressing plate, a sealing flange, a first bolt, a second bolt and a third bolt, wherein the pressing plate is fixedly installed on the well cover, the sealing seat is fixedly connected above the pressing plate through the first bolt, the sealing seat is of a Z-shaped structure, and the pressing ring is fixedly connected above the sealing seat through the third bolt; a second bolt is vertically arranged at one end, close to the sealing pipe, of the pressing plate; the lower end of the sealing pipe is provided with a sealing flange, the sealing flange is connected with the upper flange through a second bolt, the second bolt is locked through a screw rod, 4-6 screw rods are arranged on the circumference of the screw rod and are respectively positioned above the sealing flange and the pressing plate, the screw rod is tightly pressed through a screw hole in the pressing plate and is prevented from being lifted, and then the screw rod is locked through a nut to prevent looseness.
As a further aspect of the present invention: an O-shaped sealing ring is arranged between the sealing seat and the pressing ring.
As a further aspect of the present invention: and the second bolt is sleeved with an anti-lifting pressing ring, and the anti-lifting pressing ring is positioned below the pressing plate.
As a further aspect of the present invention: sealing gaskets are arranged between the pressing plate and the sealing seat and between the pressing plate and the well lid.
As a further aspect of the present invention: and a wire outlet pipe sealing gasket is arranged between the upper flange and the sealing flange.
As a further aspect of the present invention: the installation steps of the combined device are as follows:
firstly, inserting the top wire outlet end of the submersible electric pump into a cylinder II and a taper pipe, fixing the top wire outlet end of the submersible electric pump through a lower flange, lifting the submersible electric pump through a lifting lug, then placing the submersible electric pump on a shaft seat ring, wherein the seat ring adopts a 60-degree taper angle, and the submersible electric pump has the functions of automatically centering, positioning and stabilizing a pump body by being placed on the seat ring by utilizing the self gravity; the cable pipe is connected with the combined mechanism through a sealing flange, a wire outlet pipe sealing gasket, a second bolt and an upper flange;
step two, installing the well cover on the main shaft, fixing the pressure plate and the sealing gasket on the well cover, sleeving the anti-lifting pressure ring on the bolt II, and then pressing and locking the submersible electric pump through the screw rod;
and step two, mounting the sealing gasket and the sealing seat on the pressing plate, and tightly sealing and pressing the pressing ring and the sealing pipe through the O-shaped sealing ring by using a bolt III.
The utility model has the advantages that: the upper part of the outlet part of the submersible electric pump is fixedly connected with the cable sealing pipe through the bolt, the outlet end at the top of the submersible electric pump is inserted into the cylinder II and the conical pipe and is fixed through the lower flange, the submersible electric pump is lifted through the lifting lug, then the submersible electric pump is located on the shaft seat ring, the seat ring adopts a 60-degree cone angle, and the submersible electric pump is located on the seat ring by utilizing self gravity and has the functions of automatically centering and positioning and stabilizing a pump body; the matching part of the guide vane body of the submersible electric pump and the seat ring is also designed to be a 60-degree cone angle and is matched with a sealing ring, so that when the submersible electric pump is installed, the submersible electric pump and the seat ring are automatically centered, positioned and sealed through the matching of the 60-degree cone angle;
the well lid is installed, the pressing plate and the sealing gasket are fixed on the well lid, the lifting-prevention pressing ring is sleeved in the well lid, and the submersible electric pump is pressed tightly through the screw rod and locked, so that the phenomena of lifting, rotation, inclination and the like of the submersible electric pump can be effectively prevented;
the cable gland sets up the direct contact who keeps apart conveying medium and cable, and sealed setting up that fills up, O type sealing washer and the sealed pad of being qualified for the next round of competitions simultaneously can effectively seal, prevents that outside conveying medium from getting into inside the cable gland through fitting surface and gap to effectively protect the cable.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a cable protection and unit anti-lift combination device for a submersible electric pump according to the present invention;
fig. 2 is a schematic view of the internal structure of the cable sealing tube according to the present invention;
fig. 3 is a schematic view of the internal structure of the middle combination mechanism of the present invention.
In the figure: 1. a sealing tube; 2. an O-shaped sealing ring; 3. pressing a ring; 4. a sealing seat; 5. a screw; 6. pressing a plate; 7. a gasket; 8. a well cover; 9. a lifting-prevention pressing ring; 10. a wire outlet pipe sealing gasket; 11. sealing the flange; 12. a first bolt; 13. a second bolt; 14. a third bolt; 16. a seat ring; 17. a first cylinder body; 18. a submersible electric pump; 19. a base flange; 20. reinforcing rib plates; 21. a cable gland; 22. a combination mechanism; 23. a main wellbore; 24. a lateral wellbore; 25. a lower flange; 26. a second cylinder body; 27. a taper pipe; 28. a cable duct; 29. a hanger plate; 30. and an upper flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a cable protection and unit anti-lift combination device for a submersible electric pump includes a main shaft 23, a well cover 8, a submersible electric pump 18, a cable sealing pipe 21, and a combination mechanism 22, wherein the submersible electric pump 18 is arranged inside the main shaft 23, the cable sealing pipe 21 is fixedly connected to an outlet end at the top of the submersible electric pump 18, the combination mechanism 22 is fixedly connected to the top of the cable sealing pipe 21, the well cover 8 is fixedly installed at the top of the main shaft 23, and the well cover 8 is fixedly connected to the combination mechanism 22;
the main shaft 23 comprises a first cylinder body 17, a seat ring 16 is fixedly welded at the bottom of the first cylinder body 17, the seat ring 16 adopts a 60-degree taper angle, a submersible electric pump 18 is placed on the seat ring 16, and the submersible electric pump 18 is located on the seat ring 16 by utilizing the self gravity and has the functions of automatically centering, positioning and stabilizing a pump body; a foundation flange 19 and a reinforcing rib plate 20 are fixedly welded outside the first cylinder body 17, and the foundation flange 19 is positioned above the reinforcing rib plate 20; a lateral shaft 24 is fixedly arranged on one side of the first cylinder body 17.
The cable seal pipe 21 includes the cable pipe 28, the equal fixed mounting in top both ends of cable pipe 28 has hanger plate 29, flange 30 is installed at the top of cable pipe 28, the bottom fixed mounting of cable pipe 28 has taper pipe 27, the bottom fixed mounting of taper pipe 27 has two barrels 26, the bottom fixed mounting of two barrels 26 has lower flange 25, flange fixed connection on lower flange 25 and the submerged motor pump 18, the top leading-out terminal of submerged motor pump 18 inserts in two barrels 26 and the taper pipe 27.
The combined mechanism 22 comprises a sealing pipe 1, a pressing ring 3, a sealing seat 4, a pressing plate 6, a sealing flange 11, a first bolt 12, a second bolt 13 and a third bolt 14, the pressing plate 6 is fixedly installed on the well lid 8, the sealing seat 4 is fixedly connected above the pressing plate 6 through the first bolt 12, the sealing seat 4 is of a Z-shaped structure, and the pressing ring 3 is fixedly connected above the sealing seat 4 through the third bolt 14; a second bolt 13 is vertically arranged at one end, close to the sealing tube 1, of the pressing plate 6; the lower end of the sealing pipe 1 is provided with a sealing flange 11, the sealing flange 11 is connected with an upper flange 30 through a second bolt 13, the second bolt 13 is locked through a screw rod 5, 4-6 screws 5 are circumferentially arranged and are respectively positioned above the sealing flange 11 and a pressing plate 6, the screw rod 5 compresses an anti-lifting press plate 9 through a screw hole in the pressing plate 6, and then the screw rod 5 is locked through a nut to prevent looseness.
An O-shaped sealing ring 2 is arranged between the sealing seat 4 and the pressure ring 3.
And the second bolt 13 is sleeved with an anti-lifting pressing ring 9, and the anti-lifting pressing ring 9 is positioned below the pressing plate 6.
All be provided with sealed 7 of filling up between clamp plate 6 and seal receptacle 4 and the well lid 8.
And an outlet pipe sealing gasket 10 is arranged between the upper flange 30 and the sealing flange 11.
The installation steps of the combined device are as follows:
firstly, a top outlet end of the submersible electric pump 18 is fixedly connected with a cable sealing pipe 21, the top outlet end of the submersible electric pump 18 is inserted into a second cylinder 26 and a conical pipe 27, the submersible electric pump 18 is fixed through a lower flange 25, the submersible electric pump 18 is lifted by a lifting lug, then the submersible electric pump 18 is located on a shaft seat ring 16, the seat ring 16 adopts a cone angle of 60 degrees, and the submersible electric pump 18 is located on the seat ring 16 by utilizing self gravity and has the functions of automatic centering and positioning and pump body stabilizing; the cable pipe 28 is connected with the combination mechanism 22 through the sealing flange 11, the outlet pipe sealing gasket 10, the second bolt 13 and the upper flange 30;
step two, installing the well cover 8 on the main shaft 23, then fixing the pressure plate 6 and the sealing gasket 7 on the well cover 8, sleeving the anti-lifting pressure ring 9 on the bolt II 13, and then pressing and locking the submersible electric pump 18 through the screw rod 5;
and step two, mounting the sealing gasket 7 and the sealing seat 4 on the pressing plate 6, and tightly sealing and pressing the pressing ring 3 and the sealing tube 1 through the O-shaped sealing ring 2 by using a third bolt 14.
The utility model discloses a theory of operation: the top outlet end of the submersible electric pump 18 is fixedly connected with the cable sealing pipe 21, the top outlet end of the submersible electric pump 18 is inserted into the second cylinder 26 and the conical pipe 27 and is fixed through the lower flange 25, the submersible electric pump 18 is lifted through the lifting lug, then the submersible electric pump 18 is located on the shaft seat ring 16, the seat ring 16 adopts a 60-degree cone angle, the submersible electric pump 18 is located on the seat ring 16 by utilizing self gravity and has the functions of automatically centering and positioning and stabilizing a pump body, the matching part of a guide vane body and the seat ring of the submersible electric pump is also designed into the 60-degree cone angle and is provided with a sealing ring, and thus, when the submersible electric pump is installed, the submersible electric pump and the seat ring are automatically centered and positioned and sealed through the matching of the 60; the cable pipe 28 is connected with the combination mechanism 22 through the sealing flange 11, the outlet pipe sealing gasket 10, the second bolt 13 and the upper flange 30;
the well cover 8 is arranged on the main shaft 23, the pressure plate 6 and the sealing gasket 7 are fixed on the well cover 8, the anti-lifting pressure ring 9 is sleeved on the bolt II 13, and the submersible electric pump 18 is pressed and locked through the screw 5, so that the phenomena of lifting, rotating, inclining and the like of the submersible electric pump 18 can be effectively prevented; installing a sealing gasket 7 and a sealing seat 4 on a pressure plate 6, and tightly sealing and pressing a pressure ring 3 and a sealing tube 1 through an O-shaped sealing ring 2 by using a third bolt 14;
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as will be apparent to those skilled in the art, may be made to the specific embodiments described without departing from the scope of the invention or exceeding the scope as defined in the claims.
Claims (7)
1. The cable protection and unit anti-lifting combination device for the submersible electric pump is characterized by comprising a main shaft (23), a well cover (8), the submersible electric pump (18), a cable sealing pipe (21) and a combination mechanism (22), wherein the submersible electric pump (18) is arranged in the main shaft (23), the cable sealing pipe (21) is fixedly connected to the outlet end of the top of the submersible electric pump (18), the combination mechanism (22) is fixedly connected to the top of the cable sealing pipe (21), the well cover (8) is fixedly installed on the top of the main shaft (23), and the well cover (8) is fixedly connected with the combination mechanism (22);
the main shaft (23) comprises a first cylinder body (17), a seat ring (16) is fixedly welded at the bottom of the first cylinder body (17), and a submersible electric pump (18) is placed on the seat ring (16); a base flange (19) and a reinforcing rib plate (20) are fixedly welded on the outer part of the first cylinder body (17), and the base flange (19) is positioned above the reinforcing rib plate (20); and a lateral shaft (24) is fixedly arranged on one side of the first cylinder body (17).
2. The combination cable protection and unit anti-lifting device for the submersible electric pump according to claim 1, wherein the cable sealing pipe (21) comprises a cable pipe (28), both ends of the top of the cable pipe (28) are fixedly provided with hanging plates (29), the top of the cable pipe (28) is provided with an upper flange (30), the bottom of the cable pipe (28) is fixedly provided with a taper pipe (27), the bottom of the taper pipe (27) is fixedly provided with a second cylinder (26), the bottom of the second cylinder (26) is fixedly provided with a lower flange (25), the lower flange (25) is fixedly connected with a flange on the submersible electric pump (18), and a top outlet end of the submersible electric pump (18) is inserted into the second cylinder (26) and the taper pipe (27).
3. The cable protection and unit anti-lifting combination device for the submersible electric pump as claimed in claim 1, wherein the combination mechanism (22) comprises a sealing pipe (1), a pressure ring (3), a sealing seat (4), a pressure plate (6), a sealing flange (11), a first bolt (12), a second bolt (13) and a third bolt (14), the pressure plate (6) is fixedly installed on the well lid (8), the sealing seat (4) is fixedly connected above the pressure plate (6) through the first bolt (12), the sealing seat (4) is of a Z-shaped structure, and the pressure ring (3) is fixedly connected above the sealing seat (4) through the third bolt (14); a second bolt (13) is vertically arranged at one end, close to the sealing pipe (1), of the pressing plate (6); sealing flange (11) are installed to sealed tube (1) lower extreme, sealing flange (11) are connected with upper flange (30) through bolt two (13), bolt two (13) are locked through screw rod (5), 4-6 have been arranged to screw rod (5) be the circumference, are located the top of sealing flange (11) and clamp plate (6) respectively.
4. The combination cable protection and unit anti-lifting device for an electric submersible pump according to claim 3, characterized in that an O-ring (2) is arranged between the sealing seat (4) and the pressure ring (3).
5. The cable protection and unit anti-lifting combination device for the submersible electric pump according to claim 3, wherein the second bolt (13) is sleeved with an anti-lifting pressing ring (9), and the anti-lifting pressing ring (9) is located below the pressing plate (6).
6. A combined cable protection and unit anti-lifting device for an electric submersible pump according to claim 3, characterized in that gaskets (7) are provided between the pressure plate (6) and the sealing seat (4) and the well lid (8).
7. A combined cable protection and unit lift prevention device for an electric submersible pump according to claim 3, characterized in that an outlet pipe gasket (10) is arranged between the upper flange (30) and the sealing flange (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397993.1U CN211819966U (en) | 2020-03-25 | 2020-03-25 | Cable protection and unit anti-lifting combined device for submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397993.1U CN211819966U (en) | 2020-03-25 | 2020-03-25 | Cable protection and unit anti-lifting combined device for submersible electric pump |
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| Publication Number | Publication Date |
|---|---|
| CN211819966U true CN211819966U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020397993.1U Active CN211819966U (en) | 2020-03-25 | 2020-03-25 | Cable protection and unit anti-lifting combined device for submersible electric pump |
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| CN (1) | CN211819966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237205A (en) * | 2020-03-25 | 2020-06-05 | 合肥恒大江海泵业股份有限公司 | Cable protection and unit anti-lifting combined device for submersible electric pump |
-
2020
- 2020-03-25 CN CN202020397993.1U patent/CN211819966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237205A (en) * | 2020-03-25 | 2020-06-05 | 合肥恒大江海泵业股份有限公司 | Cable protection and unit anti-lifting combined device for submersible electric pump |
| CN111237205B (en) * | 2020-03-25 | 2025-03-21 | 合肥恒大江海泵业股份有限公司 | A combined device for protecting cables and preventing the unit from lifting for a submersible electric pump |
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