CN111749905B - Immersible pump of guard shield loss prevention - Google Patents
Immersible pump of guard shield loss prevention Download PDFInfo
- Publication number
- CN111749905B CN111749905B CN202010599676.2A CN202010599676A CN111749905B CN 111749905 B CN111749905 B CN 111749905B CN 202010599676 A CN202010599676 A CN 202010599676A CN 111749905 B CN111749905 B CN 111749905B
- Authority
- CN
- China
- Prior art keywords
- driving
- submersible pump
- central shield
- shield
- central
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a submersible pump with a protective cover for preventing loss, wherein the submersible pump protective cover comprises a cylindrical central protective cover, wherein a cylindrical groove is formed in the central protective cover; the submersible pump body is fixed in the central shield, and water inlet and outlet holes are respectively formed in the centers of the upper side wall and the lower side wall of the central shield; the upper end and the lower end of the central shield are respectively formed into a truncated cone; a plurality of upper connecting plates which are uniformly distributed on the circumference and incline upwards from outside to inside are respectively formed on the conical surface at the upper end of the central shield; the upper ends of all the upper connecting plates are connected to the cylindrical surface of the cylindrical upper top plate; the lower end of the rope winding roller is fixed at the center of the upper end surface of the upper top plate; an arc-shaped upper closing plate is arranged between the adjacent pair of upper connecting plates; the upper closing plate is obliquely and movably arranged along the conical surface at the upper end of the central shield; the conical surface at the lower end of the central shield is provided with a plurality of lower shield plates which are uniformly distributed on the circumference in an inclined and movable manner.
Description
Technical Field
The invention relates to the technical field of submersible pumps, in particular to a submersible pump with a protective cover for preventing loss.
Background
The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape.
In the process of pumping water from a deep well, the lower part of a submersible pump is usually led to the bottom end of the deep well through a lifting rope, the lifting rope is usually pulled by a worker when the submersible pump descends, the lifting rope is slowly sent out, the submersible pump descends, the labor intensity is high, the working efficiency is reduced, in addition, in the descending process of the submersible pump, the lifting rope can drive the submersible pump to swing to touch the inner wall of the deep well, the submersible pump is damaged, the submersible pump is usually descended to the bottommost surface of the deep well, some deep wells are relatively flat due to the inclination of the bottom surface, the submersible pump cannot be guaranteed to be always in a vertical state, the water suction position of the submersible pump can be in contact with sludge at the bottom end of the deep well, the water pumping efficiency is reduced, meanwhile, the submersible pump is easy to damage, and the service life is short.
Disclosure of Invention
The invention aims to solve the technical problems that the existing submersible pump is easy to collide with the inner wall of a deep well and damage the inner wall of the deep well and the entry and the exit are not smooth in the lifting process of entering and exiting the deep well, and provides a submersible pump with a protective cover for preventing damage.
The technical scheme for solving the technical problems is as follows: a submerged pump with a protective cover for preventing damage comprises a supporting frame, a lifting driving device, a submerged pump protective cover and a submerged pump body; the support frame comprises an upper support frame in a rectangular frame shape; four corners of the bottom surface of the upper supporting frame are provided with supporting legs; the lifting driving device comprises a rope winding roller which is rotatably arranged between the left side wall and the right side wall of the upper supporting frame; the rope winding roller is wound with a traction rope; the submersible pump protective cover comprises a central protective cover which is a cylinder with a cylindrical groove formed inside; the submersible pump body is fixed in the central shield, and water inlet and outlet holes are respectively formed in the centers of the upper side wall and the lower side wall of the central shield; the upper end and the lower end of the central shield are respectively formed into a truncated cone; a plurality of upper connecting plates which are uniformly distributed on the circumference and incline upwards from outside to inside are respectively formed on the conical surface at the upper end of the central shield; the upper ends of all the upper connecting plates are connected to the cylindrical surface of the cylindrical upper top plate; the lower end of the rope winding roller is fixed at the center of the upper end surface of the upper top plate; an arc-shaped upper closing plate is arranged between the adjacent pair of upper connecting plates; the upper closing plate is obliquely and movably arranged along the conical surface at the upper end of the central shield; when all the upper closing plates are positioned at the uppermost end, the upper parts of the upper closing plates, the upper parts of the upper connecting plates and the upper top plate form a complete truncated cone shell, the outer side surface of the lower end of the upper closing plate and the outer side surface of the lower end of the upper connecting plate form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield are positioned on the same cylindrical surface; a plurality of lower cover plates which are uniformly distributed on the circumference are arranged on the conical surface at the lower end of the central shield in an inclined and movable manner; when all the lower cover plates are positioned at the lowest end, the lower parts of the lower cover plates form a complete conical shell, the outer side surfaces of the upper ends of the lower cover plates form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield are positioned on the same cylindrical surface; a driving device is arranged in the central shield; the driving device is used for driving the lower cover plate and the upper closing plate to move.
Preferably, the upper closing plate and the lower cover plate are the same in number and are opposite to each other up and down; a plurality of T-shaped upper movable guide blocks which are uniformly distributed on the circumference are vertically formed on the conical surface at the upper end of the central shield; an upper moving guide groove matched with the upper moving guide block is formed on the inner surface of the upper closing plate; a plurality of T-shaped lower movable guide blocks which are uniformly distributed circumferentially are vertically formed on the conical surface at the lower end of the central shield; the inner surface of the lower cover plate is provided with a lower moving guide groove matched with the lower moving guide block; a plurality of vertical moving grooves which penetrate through the inside and the outside are formed on the side wall of the central shield; the driving device comprises a pair of annular driving rings which are arranged up and down symmetrically; a pair of driving rings are vertically movably arranged in the central shield and synchronously move away from or close to each other; a plurality of driving sleeves are formed on the outer cylindrical surface of the driving ring; the driving sleeve is vertically movably arranged in the vertical moving groove; an upper driving inserted rod is formed at the lower end of the inner surface of the upper closing plate; the upper driving inserted bar is radially inserted in the driving sleeve on the upper side; the upper end of the inner surface of the lower cover plate is provided with a lower driving inserted bar; the lower driving inserted bar is radially inserted in the lower driving sleeve.
Preferably, a pair of driving threaded rods which are arranged symmetrically left and right are pivoted between the upper wall surface and the lower wall surface of the central shield; external threads with opposite rotation directions are formed on the upper part and the lower part of the driving threaded rod respectively; a pair of driving motors is fixed on the inner top wall of the central shield; the upper end of the driving threaded rod is fixedly connected with an output shaft of the driving motor; the pair of drive rings are screwed on different external thread portions of the drive threaded rod.
Preferably, the lower end of the lower moving guide groove is arranged in a penetrating way; a plurality of supporting inserted rods which are uniformly distributed circumferentially are formed on the lower end surface of the central shield; the bottom of the supporting inserted bar is formed into a guide block matched with the lower moving guide groove on the corresponding side.
Preferably, a lifting driving motor is fixed on the right end face of the upper supporting frame; the right end of the rotating central shaft of the rope winding roller is fixedly connected with an output shaft of the lifting driving motor.
Preferably, the lower limit rods arranged in the left-right direction are respectively fixed at the lower ends of the left side wall and the right side wall of the upper support frame; a lower limiting plate in a circular plate shape is formed between the pair of lower limiting rods; a traction rope through hole is formed in the center of the lower limiting plate; the traction rope passes through the traction rope through hole; the side wall of the traction rope through hole is formed into an arc surface.
Preferably, the support legs are disposed obliquely downward from inside to outside.
The invention has the beneficial effects that: the submersible pump can smoothly lift and is stable at the bottom of the deep well.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 is a schematic top view of the center shield 31 of the present invention;
fig. 3 is a bottom view of the center shield 31 of the present invention.
In the figure, 10, the support; 11. an upper support frame; 12. supporting legs; 13. a lower limit lever; 14. a lower limiting plate; 140. perforating a traction rope; 20. a lift drive; 21. a lifting drive motor; 22. a rope winding roller; 23. a hauling rope; 30. a submersible pump protective cover; 31. a central shield; 310. water inlet and outlet holes; 3100. a vertical moving groove; 311. moving the guide block upwards; 312. moving the guide block downwards; 32. an upper connecting plate; 33. an upper top plate; 34. an upper closing plate; 340. an upper moving guide groove; 341. an upper drive plunger; 35. a lower cover plate; 350. a lower moving guide groove; 351. a lower drive plunger; 36. supporting the inserted rod; 361. a guide block; 37. a drive motor; 38. driving the threaded rod; 39. a drive ring; 391. a drive sleeve; 40. immersible pump body.
Detailed Description
As shown in fig. 1 to 3, a submersible pump with a protective cover for preventing damage comprises a support frame 10, a lifting driving device 20, a submersible pump protective cover 30 and a submersible pump body 40; the support frame 10 includes an upper support frame 11 in a rectangular frame shape; four corners of the bottom surface of the upper supporting frame 11 are respectively provided with supporting legs 12; the elevation driving device 20 includes a rope winding roller 22 rotatably provided between left and right sidewalls of the upper support frame 11; a traction rope 23 is wound on the rope winding roller 22; the submersible pump shield 30 comprises a central shield 31 and the central shield 31 is a cylinder with a cylindrical groove formed therein; the submersible pump body 40 is fixed in the central shield 31, and water inlet and outlet holes 310 are respectively formed in the centers of the upper side wall and the lower side wall of the central shield 31; the upper and lower ends of the central shield 31 are respectively shaped as a truncated cone; a plurality of upper connecting plates 32 which are uniformly distributed on the circumference and incline upwards from outside to inside are respectively formed on the conical surface at the upper end of the central shield 31; the upper ends of all the upper connecting plates 32 are connected to the cylindrical surface of the cylindrical upper top plate 33; the lower end of the rope winding roller 22 is fixed at the center of the upper end surface of the upper top plate 33; an arc-shaped upper closing plate 34 is arranged between the adjacent pair of upper connecting plates 32; the upper closing plate 34 is arranged along the conical surface at the upper end of the central shield 31 in an inclined moving way; when all the upper closing plates 34 are positioned at the uppermost end, the upper parts of the upper closing plates 34, the upper parts of the upper connecting plates 32 and the upper top plate 33 form a complete truncated cone shell, the outer side surfaces of the lower ends of the upper closing plates 34 and the outer side surfaces of the lower ends of the upper connecting plates 32 form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield 31 are positioned on the same cylindrical surface; a plurality of lower cover plates 35 which are uniformly distributed on the circumference are arranged on the conical surface at the lower end of the central shield 31 in an inclined and movable manner; when all the lower cover plates 35 are positioned at the lowest end, the lower parts of the lower cover plates 35 form a complete conical shell, the outer side surfaces of the upper ends of the lower cover plates 35 form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield 31 are positioned on the same cylindrical surface; a driving device is arranged in the central shield 31; the driving device is used for driving the lower cover plate 35 and the upper closing plate 34 to move.
As shown in fig. 1 to 3, the upper closing plate 34 and the lower closing plate 35 are equal in number and the upper closing plate 34 and the lower closing plate 35 are opposite one to one above the other; a plurality of T-shaped upper movable guide blocks 311 which are uniformly distributed on the circumference are vertically formed on the conical surface at the upper end of the central shield 31; the inner surface of the upper closing plate 34 is formed with an upper moving guide groove 340 matched with the upper moving guide block 311; a plurality of T-shaped lower movable guide blocks 312 which are uniformly distributed on the circumference are vertically formed on the conical surface at the lower end of the central shield 31; the inner surface of the lower cover plate 35 is formed with a lower moving guide groove 350 engaged with the lower moving guide 312; a plurality of vertical moving grooves 3100 penetrating from inside to outside are formed on the side wall of the central shield 31; the driving device includes a pair of annular driving rings 39 disposed vertically symmetrically; a pair of drive rings 39 are vertically movably disposed within the center shield 31 and synchronously move away from or close to each other; a plurality of driving sleeves 391 are formed on the outer cylindrical surface of the driving ring 39; the driving sleeve 391 is vertically movably arranged in the vertical moving groove 3100; an upper driving plunger 341 is formed at the lower end of the inner surface of the upper closing plate 34; the upper driving plunger 341 is radially inserted into the upper driving sleeve 391; a lower driving insert rod 351 is formed at the upper end of the inner surface of the lower cover plate 35; the lower driving rod 351 is radially inserted into the lower driving sleeve 391.
As shown in fig. 1, a pair of driving threaded rods 38 symmetrically arranged left and right are pivoted between the upper and lower wall surfaces of the central shield 31; the upper and lower portions of the driving threaded rod 38 are respectively formed with external threads with opposite rotation directions; a pair of driving motors 37 are fixed on the inner top wall of the central shield 31; the upper end of the driving threaded rod 38 is fixedly connected with an output shaft of the driving motor 37; a pair of drive rings 39 are threaded on different externally threaded portions of the drive threaded rod 38.
As shown in fig. 1, the lower end of the lower moving guide 350 is penetratingly disposed; a plurality of supporting inserted rods 36 which are uniformly distributed on the circumference are formed on the lower end surface of the central shield 31; the bottom of the support plunger 36 is formed with a guide 361 which is engaged with the lower moving guide 350 of the corresponding side.
As shown in fig. 1, a lifting driving motor 21 is fixed on the right end surface of the upper supporting frame 11; the right end of the rotation central shaft of the rope winding roller 22 is fixedly connected with the output shaft of the lifting drive motor 21.
As shown in fig. 1, lower limit rods 13 arranged in the left-right direction are respectively fixed at the lower ends of the left and right side walls of the upper support frame 11; a lower limit plate 14 in a circular plate shape is formed between the pair of lower limit rods 13; a pull rope through hole 140 is formed in the center of the lower limiting plate 14; the pull cord 23 passes through the pull cord perforation 140; the sidewall of the pull cord penetration hole 140 is formed as a circular arc surface.
As shown in fig. 1, the supporting legs 12 are disposed obliquely downward from the inside to the outside.
The working principle of the submersible pump with the damage-proof shield;
in the initial state as shown in fig. 1, the pair of driving rings 39 are farthest away from each other, all the upper closing plates 34 are at the uppermost end, the upper portions of the upper closing plates 34, the upper portions of the upper connecting plates 32 and the upper top plate 33 form a complete truncated cone housing, the outer side surfaces of the lower ends of the upper closing plates 34 and the outer side surfaces of the lower ends of the upper connecting plates 32 form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield 31 are on the same cylindrical surface; all the lower cover plates 35 are positioned at the lowest end, the lower parts of the lower cover plates 35 form a complete conical shell, the outer side surfaces of the upper ends of the lower cover plates 35 form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield 31 are positioned on the same cylindrical surface; the submersible pump body 40 is located within the central shroud 31;
when entering and exiting the deep well, the submersible pump protective cover 30 is in an initial state, so that in the descending process, the descending is smooth due to the conical shell formed by the lower cover plate 35; in the ascending process, the upper part of the upper closing plate 34, the upper part of the upper connecting plate 32 and the upper top plate 33 form a complete truncated cone shell, so that the ascending is smooth; meanwhile, the submersible pump body 40 is positioned in the central shield 31, so that the submersible pump body 40 is not easy to damage;
when the deep well bottom is reached, the pair of driving rings 39 approach each other, so that the upper closing plate 34 moves downwards in an inclined mode, the lower cover plate 35 moves upwards in an inclined mode, so that the upper end and the lower end of the submersible pump protective cover 30 are opened, the submersible pump body 40 is guaranteed to work normally, and the bottom of the lower cover plate 35 and the supporting inserted rods 36 serve as supporting feet, so that the submersible pump is stably arranged at the deep well bottom; simultaneously make to be provided with the clearance between immersible pump body 40 and the deep well bottom, prevent immersible pump body 40 and deep well bottom mud contact.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a immersible pump of guard shield loss prevention which characterized in that: comprises a support frame (10), a lifting driving device (20), a submersible pump protective cover (30) and a submersible pump body (40); the support frame (10) comprises an upper support frame (11) in a rectangular frame shape; four corners of the bottom surface of the upper supporting frame (11) are respectively provided with a supporting foot (12); the lifting driving device (20) comprises a rope winding roller (22) which is rotatably arranged between the left side wall and the right side wall of the upper supporting frame (11); a traction rope (23) is wound on the rope winding roller (22); the submersible pump protective cover (30) comprises a central protective cover (31), and the central protective cover (31) is a cylinder with a cylindrical groove formed in the inner part; the submersible pump body (40) is fixed in the central shield (31), and water inlet and outlet holes (310) are respectively formed in the centers of the upper side wall and the lower side wall of the central shield (31); the upper end and the lower end of the central shield (31) are respectively formed into a truncated cone; a plurality of upper connecting plates (32) which are uniformly distributed on the circumference and incline upwards from outside to inside are respectively formed on the conical surface at the upper end of the central shield (31); the upper ends of all the upper connecting plates (32) are connected to the cylindrical surface of the cylindrical upper top plate (33); the lower end of the rope winding roller (22) is fixed at the center of the upper end surface of the upper top plate (33); an arc-shaped upper closing plate (34) is arranged between the adjacent pair of upper connecting plates (32); the upper closing plate (34) is obliquely and movably arranged along the conical surface at the upper end of the central shield (31); when all the upper closing plates (34) are positioned at the uppermost ends, the upper parts of the upper closing plates (34), the upper parts of the upper connecting plates (32) and the upper top plate (33) form a complete truncated cone shell, the outer side surfaces of the lower ends of the upper closing plates (34) and the outer side surfaces of the lower ends of the upper connecting plates (32) form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield (31) are positioned on the same cylindrical surface; a plurality of lower cover plates (35) which are uniformly distributed on the circumference are arranged on the conical surface at the lower end of the central shield (31) in an inclined and movable manner; when all the lower cover plates (35) are positioned at the lowest end, the lower parts of the lower cover plates (35) form a complete conical shell, the outer side surfaces of the upper ends of the lower cover plates (35) form a complete cylindrical surface, and the cylindrical surface and the outer cylindrical surface of the central shield (31) are positioned on the same cylindrical surface; a driving device is arranged in the central shield (31); the driving device is used for driving the lower cover plate (35) and the upper closing plate (34) to move.
2. The submersible pump with a protective cover for preventing damage of claim 1, wherein: the number of the upper closing plate (34) and the lower cover plate (35) is the same, and the upper closing plate (34) and the lower cover plate (35) are opposite one by one up and down; a plurality of T-shaped upper movable guide blocks (311) which are uniformly distributed on the circumference are vertically formed on the conical surface at the upper end of the central shield (31); an upper moving guide groove (340) matched with the upper moving guide block (311) is formed on the inner surface of the upper closing plate (34); a plurality of T-shaped lower movable guide blocks (312) which are uniformly distributed on the circumference are vertically formed on the conical surface at the lower end of the central shield (31); a lower moving guide groove (350) matched with the lower moving guide block (312) is formed on the inner surface of the lower cover plate (35); a plurality of vertical moving grooves (3100) which penetrate through the inside and the outside are formed on the side wall of the central shield (31); the driving device comprises a pair of annular driving rings (39) which are arranged up and down symmetrically; a pair of driving rings (39) are vertically movably arranged in the central shield (31) and synchronously move away from or close to each other; a plurality of driving sleeves (391) are molded on the outer cylindrical surface of the driving ring (39); the driving sleeve (391) is vertically movably arranged in the vertical moving groove (3100); an upper driving inserted rod (341) is formed at the lower end of the inner surface of the upper closing plate (34); the upper driving insert rod (341) is radially inserted into the upper driving sleeve (391); a lower driving inserted bar (351) is formed at the upper end of the inner surface of the lower cover plate (35); the lower driving insert rod (351) is radially inserted into the lower driving sleeve (391).
3. The submersible pump of claim 2, wherein the shield is configured to protect the submersible pump from damage by: a pair of driving threaded rods (38) which are arranged symmetrically left and right are pivoted between the upper wall surface and the lower wall surface of the central shield (31); the upper part and the lower part of the driving threaded rod (38) are respectively formed with external threads with opposite rotation directions; a pair of driving motors (37) is fixed on the inner top wall of the central shield (31); the upper end of the driving threaded rod (38) is fixedly connected with an output shaft of the driving motor (37); a pair of drive rings (39) are screwed on different external threaded portions of the drive threaded rod (38).
4. The submersible pump of claim 2, wherein the shield is configured to protect the submersible pump from damage by: the lower end of the lower moving guide groove (350) is arranged in a penetrating way; a plurality of supporting inserted rods (36) which are uniformly distributed on the circumference are formed on the lower end surface of the central shield (31); the bottom of the support plunger (36) is formed as a guide (361) that mates with the corresponding side lower moving guide (350).
5. The submersible pump with a protective cover for preventing damage of claim 1, wherein: a lifting driving motor (21) is fixed on the right end surface of the upper supporting frame (11); the right end of the rotation central shaft of the rope winding roller (22) is fixedly connected with the output shaft of the lifting drive motor (21).
6. The submersible pump with a protective cover for preventing damage of claim 1, wherein: the lower limiting rods (13) arranged in the left and right directions are respectively fixed at the lower ends of the left and right side walls of the upper supporting frame (11); a lower limit plate (14) in a circular plate shape is formed between the pair of lower limit rods (13); a pull rope through hole (140) is formed in the center of the lower limiting plate (14); the pulling rope (23) passes through the pulling rope perforation (140); the side wall of the pulling rope perforation (140) is formed into a circular arc surface.
7. The submersible pump with a protective cover for preventing damage of claim 1, wherein: the supporting feet (12) are arranged obliquely downwards from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599676.2A CN111749905B (en) | 2020-06-28 | 2020-06-28 | Immersible pump of guard shield loss prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599676.2A CN111749905B (en) | 2020-06-28 | 2020-06-28 | Immersible pump of guard shield loss prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111749905A CN111749905A (en) | 2020-10-09 |
| CN111749905B true CN111749905B (en) | 2021-09-28 |
Family
ID=72677711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010599676.2A Active CN111749905B (en) | 2020-06-28 | 2020-06-28 | Immersible pump of guard shield loss prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111749905B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2265824B1 (en) * | 2008-04-10 | 2013-08-21 | Joh. Heinr. Bornemann GmbH | Underwater delivery unit |
| CN210260924U (en) * | 2019-06-13 | 2020-04-07 | 上海汉华水处理工程有限公司 | Submersible pump |
| CN210343741U (en) * | 2019-07-13 | 2020-04-17 | 江苏国鹰环境科技有限公司 | A immersible pump for river regulation |
| CN210686282U (en) * | 2019-07-09 | 2020-06-05 | 天津奥特泵业有限责任公司 | Novel immersible pump protection device |
| CN210769586U (en) * | 2019-11-16 | 2020-06-16 | 上饶市西诚爆破工程有限公司 | Blast hole drainage machine for open-air blasting engineering |
-
2020
- 2020-06-28 CN CN202010599676.2A patent/CN111749905B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2265824B1 (en) * | 2008-04-10 | 2013-08-21 | Joh. Heinr. Bornemann GmbH | Underwater delivery unit |
| CN210260924U (en) * | 2019-06-13 | 2020-04-07 | 上海汉华水处理工程有限公司 | Submersible pump |
| CN210686282U (en) * | 2019-07-09 | 2020-06-05 | 天津奥特泵业有限责任公司 | Novel immersible pump protection device |
| CN210343741U (en) * | 2019-07-13 | 2020-04-17 | 江苏国鹰环境科技有限公司 | A immersible pump for river regulation |
| CN210769586U (en) * | 2019-11-16 | 2020-06-16 | 上饶市西诚爆破工程有限公司 | Blast hole drainage machine for open-air blasting engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111749905A (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114517792B (en) | Lifting type water pump | |
| CN111749905B (en) | Immersible pump of guard shield loss prevention | |
| CN108506242B (en) | Immersible pump bracing piece stabilising arrangement | |
| CN105781445A (en) | Continuously moving oil rig as well as pull-out and run-in methods thereof | |
| CN201180636Y (en) | Numerical control reciprocating type oil-submersible motor driven oil pump | |
| CN115321351B (en) | Offshore wind power steel pipe pile hoisting and pile overturning device | |
| CN205990887U (en) | Light-duty detection drilling machine | |
| CN213741059U (en) | Pile frame | |
| CN111664098B (en) | Stable immersible pump that goes up and down | |
| CN210117179U (en) | Shock-proof type pump prying block hoisting system | |
| CN210258771U (en) | Fishing fence for fishing boat | |
| CN215633833U (en) | Immersible pump with stable structure | |
| CN219507492U (en) | Immersible pump hoisting device | |
| CN111021942A (en) | Small-size hole equipment that draws suitable for finite space | |
| CN213039257U (en) | Cage type hydraulic lifting oil extraction machine | |
| CN205895198U (en) | Hydraulic pressure impels detachable annular space well logging blowout preventer | |
| CN220998958U (en) | Hoisting traction device for mine excavation and lifting | |
| CN201292991Y (en) | Submersible pump with novel hoist device | |
| CN215444386U (en) | Device for preventing pump pit is flooded by water | |
| CN218174500U (en) | Geological drilling hydraulic rope winch with braking function | |
| CN220978037U (en) | Foundation pit pressure-bearing water drainage system | |
| CN215974584U (en) | A hoist device for subway construction | |
| CN219751743U (en) | Dismounting device of water guide bearing | |
| CN216072816U (en) | Immersible pump hoisting device | |
| CN220267642U (en) | Split inner hook tooth overshot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |