CN112196807A - Self-balancing energy-saving multistage formula water pump - Google Patents
Self-balancing energy-saving multistage formula water pump Download PDFInfo
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- CN112196807A CN112196807A CN202011017268.8A CN202011017268A CN112196807A CN 112196807 A CN112196807 A CN 112196807A CN 202011017268 A CN202011017268 A CN 202011017268A CN 112196807 A CN112196807 A CN 112196807A
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- pump body
- storage chamber
- water outlet
- pump
- outlet nozzle
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
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- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
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- 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
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention discloses a self-balancing energy-saving multi-section water pump which comprises a pump body, wherein a working mechanism, an installation mechanism and a protection mechanism are sequentially arranged on the pump body; the working mechanism comprises a water inlet, a transmission shaft, a coupler, a water outlet, a bearing end cover, an impeller chamber, a water outlet nozzle, a connecting bearing, an impeller and a stuffing box; the transmission shaft penetrates through the pump body; one end of the transmission shaft is fixedly connected with a coupler; the other end of the transmission shaft is rotatably connected with the pump body through a connecting bearing and a bearing end cover. By arranging the protection mechanism, the problems that when the multistage pump is used in cold winter, a water outlet nozzle at the lower part of the pump body needs to be unscrewed after the multistage pump is shut down to completely discharge media in the pump body, frost cracking is prevented, and crushed materials during mine operation easily enter the connection position of the water outlet nozzle and the pump body, so that the screw thread is easily damaged when the water outlet nozzle is unscrewed, the screw thread connection is failed, and the water outlet nozzle is damaged are solved, and the water outlet nozzle is well protected.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a self-balancing energy-saving multi-section water pump.
Background
The multistage pump is also called a multistage pump, is one of centrifugal pumps, and also relies on the rotation of an impeller to obtain centrifugal force so as to convey materials, and when the gas density reaches the working range of a mechanical vacuum pump, the materials are pumped out so as to gradually obtain high vacuum.
A self-balancing self-positioning energy-saving multi-section water pump in the prior patent (publication number: CN102996496B) has no play of pump shaft, can automatically balance axial force, can adjust the axial force at any time along with the change of the axial force, has high working efficiency, low failure rate and long service life, comprises a multi-section pump body, a water outlet end bearing and a water inlet end bearing, a pump shaft penetrates through the multi-section pump body, a plurality of impellers are arranged on the pump shaft, seals are arranged between the pump shaft and the water inlet section and between the pump shaft and the water outlet section, and a balancing device is arranged on one side of the water outlet end, and is characterized in that: the self-balancing self-positioning energy-saving multi-section water pump is characterized in that a bearing body positioning sleeve fixedly connected with the water inlet section is arranged at the water inlet end, a sliding bearing body is arranged in the bearing body positioning sleeve, the sliding bearing body is connected with the bearing body positioning sleeve through a positioning locking device, the inner edge of the sliding bearing body is fixedly connected with the water inlet end bearing, a jacking bolt used for jacking the sliding bearing body is arranged on the bearing body positioning sleeve, and the self-balancing self-positioning energy-saving multi-section water pump is further provided with a water inlet end bearing temperature measurement alarm device.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. when the multi-stage pump is used in cold winter, a water outlet nozzle at the lower part of the pump body needs to be unscrewed after the multi-stage pump is shut down to completely discharge the medium in the pump body, so that frost cracking is prevented, and the crushed materials during mine operation easily enter the connecting position of the water outlet nozzle and the pump body, so that the screw thread is easily damaged when the water outlet nozzle is unscrewed, the screw thread connection is failed, and the water outlet nozzle is damaged; 2. when the multi-stage pump is used, pumps with different stages and different materials are required to be selected according to the use environment, the existing base is generally cast integrally, the manufacturing is difficult, the overflowing component cannot independently select the suitable materials according to the use requirement, meanwhile, the specifications and sizes of the multi-stage pumps with different stages and materials are greatly different, the existing base cannot be suitable for pump bodies with different sizes, and the universality is poor.
Therefore, a self-balancing energy-saving multi-section water pump is provided.
Disclosure of Invention
The invention aims to provide a self-balancing energy-saving multi-stage water pump, which can filter media and crushed aggregates in an impeller chamber by a filter screen through arranging a protection mechanism, so that the crushed aggregates roll on the filter screen by gravity and enter a crushed aggregates storage chamber through a crushed aggregates inlet, a guide plate can prevent the crushed aggregates from flowing out again due to vortex while guiding the crushed aggregates, a cover body is connected with a pump body through a bolt, the installation and disassembly are convenient, and the crushed aggregates storage chamber is cleaned, thereby solving the problems that when the multi-stage pump is used in cold winter, a water outlet nozzle at the lower part of the pump body needs to be unscrewed to completely discharge the media in the pump body after the multi-stage pump is shut down, the frost crack is prevented, the crushed aggregates in mine operation easily enter the connecting position of the water outlet nozzle and the pump body, the thread is easily damaged when the water outlet nozzle is unscrewed, the thread connection fails, and the water outlet nozzle is damaged, the good protection of the water outlet nozzle is realized; according to the invention, the installation mechanism is arranged, the position of the connecting block in the moving groove is adjusted according to the sizes of the pump bodies with different models and specifications, the fixing hole, the connecting block and the installation seat are locked and fixed through the locking bolt, after the adjustment is finished, the pump body and the installation seat are fixedly connected through the connecting plate, the manufacturing difficulty is reduced through the split type arrangement of the installation mechanism and the pump body, meanwhile, the pump bodies with different models and materials can be selected according to the use environment, the use is convenient, the universality of the installation mechanism is improved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a self-balancing energy-saving multi-section water pump comprises a pump body, wherein a working mechanism, an installation mechanism and a protection mechanism are sequentially arranged on the pump body;
the working mechanism comprises a water inlet, a transmission shaft, a coupler, a water outlet, a bearing end cover, an impeller chamber, a water outlet nozzle, a connecting bearing, an impeller and a stuffing box; the transmission shaft penetrates through the pump body; one end of the transmission shaft is fixedly connected with a coupler; the other end of the transmission shaft is rotationally connected with the pump body through a connecting bearing and a bearing end cover; the water inlet is arranged at one end of the front surface of the pump body; the water outlet is arranged at one end of the upper surface of the pump body; a plurality of impeller chambers are arranged in the middle of the interior of the pump body, and impellers are rotationally connected in the impeller chambers; a stuffing box is arranged at one end of the interior of the pump body, which is close to the impeller chamber, and the stuffing box is connected with the transmission shaft in a sleeved mode; the lower surface of the pump body is provided with a plurality of water outlet nozzles;
the mounting mechanism comprises a mounting seat, a fixing hole, a locking bolt, a moving groove, a connecting plate, a connecting rod, a thread protection mechanism, a connecting block, a sliding strip and a sliding groove; the connecting plate is fixedly connected with the lower surface of the pump body; the upper end of the connecting rod is fixedly connected with the connecting plate; the lower end of the connecting rod is fixedly connected with a connecting block; the connecting block is connected with the mounting seat in a sliding manner through a moving groove; the front surface of the mounting seat is provided with a plurality of fixing holes; the locking bolt penetrates through the fixing hole, the mounting seat and the connecting block; a thread protection mechanism is arranged in the mounting seat at a position close to the moving groove;
the protection mechanism comprises a connecting mechanism, a filter screen, a crushed material inlet, a cover body, a crushed material storage chamber and a material guide plate; the filter screen is fixedly connected with the inner wall of the pump body through a connecting mechanism and is arranged obliquely so as to ensure that sand smoothly rolls into the crushed material storage chamber; a crushed material storage chamber is arranged at one end of the interior of the pump body, which is close to the impeller chamber, and a crushed material inlet is formed in one end of the crushed material storage chamber; one end of the filter screen is fixedly connected with the crushed aggregate storage chamber; a material guide plate is arranged inside the crushed material storage chamber; and a cover body is arranged at the connecting position of the lower end of the crushed material storage chamber and the pump body.
Aiming at the problems that when a multi-stage pump is used in mining operation, a conveying medium contains more crushed aggregates, when the multi-stage pump is used in cold winter, a water outlet nozzle at the lower part of a pump body needs to be unscrewed after the multi-stage pump is stopped, the medium in the pump body is completely discharged to prevent frost cracking, and crushed aggregates easily enter the connecting position of the water outlet nozzle and the pump body during mine operation, so that threads are easily damaged when the water outlet nozzle is unscrewed, and the threaded connection fails to damage the water outlet nozzle, the invention adopts a protection mechanism to filter the medium and the crushed aggregates in an impeller chamber by using a filter screen, so that the crushed aggregates roll on the filter screen by using gravity and enter a crushed aggregates storage chamber through a crushed aggregates inlet, a material guide plate can prevent the crushed aggregates from flowing out again due to vortex while guiding the material, a cover body is connected with the pump body through a bolt, the installation and the disassembly are convenient, the crushed aggregates storage chamber is cleaned, and the medium and the crushed aggregates in the impeller chamber are filtered, the problem that when the multi-stage pump is used in cold winter, the water outlet nozzle at the lower part of the pump body needs to be unscrewed to completely discharge media in the pump body, frost cracking is prevented, and when the multi-stage pump is in mine operation, the crushed aggregates easily enter the connecting position of the water outlet nozzle and the pump body, so that the threads are easily damaged when the water outlet nozzle is unscrewed, the threaded connection is failed, and the water outlet nozzle is damaged is solved, and the water outlet nozzle is well protected; aiming at the problems that when a multi-stage pump is used, pumps with different stages and different materials are required to be selected according to the use environment, the conventional base is generally cast in an integral manner and difficult to manufacture, a flow passage component cannot independently select the suitable materials according to the use requirement, meanwhile, the specifications and the sizes of the multi-stage pumps with different stages and materials are greatly different, the conventional base cannot be suitable for pump bodies with different sizes, and the universality is poor, the invention adjusts the position of a connecting block in a moving groove according to the sizes of the pump bodies with different models and specifications by arranging an installing mechanism, locks and fixes a fixing hole, the connecting block and an installing seat through a locking bolt, fixedly connects the pump body and the installing seat through the connecting plate after adjustment, and simultaneously adopts bolt connection between the connecting plate and the connecting rod, so that the radian of the bottom surfaces of the pump bodies with different sizes can be adapted by, the installation is more stable, the manufacturing difficulty is reduced through the split type arrangement of the installation mechanism and the pump body, meanwhile, the pump bodies of different models and materials can be selected according to the use environment, the use is convenient, and the universality of the installation mechanism is improved.
Preferably, the thread protection mechanism comprises an oil filling port, an oil storage chamber, an oil outlet nozzle and an oil film cavity; the oil injection port is formed in the edge position of the upper surface of the mounting seat; the oil storage chamber is arranged at the lower end, close to the oil filling port, in the mounting seat; the lower end of the oil storage chamber is connected with an oil outlet nozzle through a pipeline; the lower end of the oil outlet nozzle is provided with an oil film cavity.
When the water pump works, the working environment of the water pump is mostly a humid environment, after the locking bolt is in long-time use with the threaded connection of the mounting seat, the locking bolt can be corroded by water to cause corrosion, so that the threaded connection is invalid, and the normal use of the mounting mechanism is damaged.
Preferably, a single chip microcomputer is arranged at one end, close to the oil storage chamber, in the mounting seat; a power supply interface is arranged on the side surface of the mounting seat close to the oil storage chamber; a viscosity sensor is arranged in the middle of the inside of the oil storage chamber; and a heating plate is arranged at the edge of the inner part of the oil storage chamber.
During operation, in a cold environment in winter in the north, lubricating oil in an oil storage chamber in the thread protection mechanism becomes viscous due to the influence of air temperature, so that the sealing and lubricating effects cannot be achieved, and the thread protection mechanism cannot normally work.
Preferably, the connecting mechanism comprises a mounting groove, a first magnet, a second magnet, a sealing mechanism and a support rod; the mounting groove is formed in the other end position, close to the impeller chamber, of the inner wall of the pump body; the first magnet is arranged inside the mounting groove; one end of the supporting rod is fixedly connected with the filter screen; the other end of the supporting rod is fixedly connected with a second magnet; the second magnet is connected with the first magnet through magnetic adsorption; and a sealing mechanism is arranged at the connecting position of the supporting rod and the mounting groove.
During operation, the filter screen on the protection mechanism needs to be fixedly connected with the inner wall of the pump body, and the bolt can be corroded due to the fact that the filter screen is fixed through the bolt connection in the prior art after being soaked in long-time water flow, connection failure is caused, and the filter screen cannot be normally detached and replaced.
Preferably, the sealing mechanism comprises a connecting cylinder, a sealing ring and a through hole; the connecting cylinder is fixedly connected with the mounting groove; a through hole is formed in the connecting cylinder; the through hole is internally provided with a sealing ring which is a component made of ceramic materials.
When the filter screen mounting device works, the connecting mechanism fixedly connects the filter screen and the mounting groove through the second magnet and the first magnet, and the second magnet and the first magnet can weaken magnetism after being soaked for a long time, so that the adsorption force is reduced, and the mounting stability of the filter screen is reduced.
Preferably, a sliding strip is arranged in the middle of the bottom of the connecting block; the upper surface of the moving groove is provided with a sliding groove corresponding to the position of the sliding strip; the lower end of the connecting block is connected with the moving groove in a sliding mode through a sliding strip and a sliding groove.
When the connecting block is in sliding connection with the moving groove, the sliding strip and the sliding groove are used, so that the friction force during moving can be reduced, the friction loss is reduced, and the service life of the connecting block is prolonged.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes the filter screen to filter the medium and crushed aggregates in the impeller chamber by arranging the protection mechanism, so that the crushed aggregates roll on the filter screen by utilizing gravity and enter the crushed aggregates storage chamber through the crushed aggregates inlet, the guide plate can prevent the crushed aggregates from flowing out again due to vortex while guiding the materials, the cover body is connected with the pump body by the bolt, the installation and the disassembly are convenient, the crushed aggregates storage chamber is further cleaned, the medium and the crushed aggregates in the impeller chamber are filtered, the crushed aggregates can be prevented from entering the connecting position of the water outlet nozzle and the pump body, the problem of failure of threaded connection caused by easy thread damage when the water outlet nozzle is unscrewed is solved, the problem that when the multistage pump is used in cold winter, the water outlet nozzle at the lower part of the pump body needs to be unscrewed after the shutdown to completely discharge the medium in the pump body is solved, the crushed aggregates are prevented from being frozen and easily enter the connecting position of the water outlet nozzle and the pump body during operation is solved, the water outlet nozzle has the advantages that the thread is easily damaged when the water outlet nozzle is unscrewed, the threaded connection is failed, the water outlet nozzle is damaged, and the water outlet nozzle is well protected.
2. According to the invention, the installation mechanism is arranged, the position of the connecting block in the moving groove is adjusted according to the sizes of the pump bodies with different models and specifications, the fixing hole, the connecting block and the installation seat are locked and fixed through the locking bolt, after the adjustment is finished, the pump body and the installation seat are fixedly connected through the connecting plate, the manufacturing difficulty is reduced through the split type arrangement of the installation mechanism and the pump body, meanwhile, the pump bodies with different models and materials can be selected according to the use environment, the use is convenient, and the universality of the installation mechanism is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional structural view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a structural view of the protection mechanism of the present invention;
FIG. 5 is a structural view of the mounting mechanism of the present invention;
FIG. 6 is a cross-sectional structural view of the mounting mechanism of the present invention;
FIG. 7 is a structural view of the thread guard mechanism of the present invention;
FIG. 8 is a structural view of the coupling mechanism of the present invention;
fig. 9 is a structural view of the sealing mechanism of the present invention.
In the figure: 1. a pump body; 2. an installation mechanism; 21. a mounting seat; 22. a fixing hole; 23. locking the bolt; 24. a moving groove; 25. a connecting plate; 26. a connecting rod; 27. a thread guard mechanism; 271. an oil filling port; 272. a single chip microcomputer; 273. a power interface; 274. an oil storage chamber; 275. a viscosity sensor; 276. heating plates; 277. an oil outlet nozzle; 278. an oil film cavity; 28. connecting blocks; 29. a slide bar; 210. a chute; 3. a water inlet; 4. a drive shaft; 5. a coupling; 6. a water outlet; 7. a bearing end cap; 8. a protection mechanism; 81. a connecting mechanism; 811. mounting grooves; 812. a first magnet; 813. a second magnet; 814. a sealing mechanism; 8141. a connecting cylinder; 8142. a seal ring; 8143. a through hole; 815. a support bar; 82. a filter screen; 83. a crushed material inlet; 84. a cover body; 85. a crushed material storage chamber; 86. a material guide plate; 9. an impeller chamber; 10. a water outlet nozzle; 11. connecting a bearing; 12. an impeller; 13. a stuffing box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 9, the present invention provides a technical solution of a self-balancing energy-saving multi-section water pump:
a self-balancing energy-saving multi-section water pump is shown in figures 1 to 3 and comprises a pump body 1, wherein a working mechanism, an installation mechanism 2 and a protection mechanism 8 are sequentially arranged on the pump body 1;
the working mechanism comprises a water inlet 3, a transmission shaft 4, a coupler 5, a water outlet 6, a bearing end cover 7, an impeller chamber 9, a water outlet nozzle 10, a connecting bearing 11, an impeller 12 and a packing box 13; the transmission shaft 4 penetrates through the pump body 1; one end of the transmission shaft 4 is fixedly connected with a coupler 5; the other end of the transmission shaft 4 is rotationally connected with the pump body 1 through a connecting bearing 11 and a bearing end cover 7; the water inlet 3 is arranged at one end of the front surface of the pump body 1; the water outlet 6 is arranged at one end of the upper surface of the pump body 1; a plurality of impeller chambers 9 are arranged in the middle of the interior of the pump body 1, and impellers 12 are rotatably connected in the impeller chambers 9; a stuffing box 13 is arranged at one end of the interior of the pump body 1 close to the impeller chamber 9, and the stuffing box 13 is connected with the transmission shaft 4 in a sleeved mode; the lower surface of the pump body 1 is provided with a plurality of water outlet nozzles 10;
as shown in fig. 5, the mounting mechanism 2 includes a mounting seat 21, a fixing hole 22, a locking bolt 23, a moving groove 24, a connecting plate 25, a connecting rod 26, a thread guard mechanism 27, a connecting block 28, a slide bar 29 and a sliding groove 210; the connecting plate 25 is fixedly connected with the lower surface of the pump body 1; the upper end of the connecting rod 26 is fixedly connected with the connecting plate 25; the lower end of the connecting rod 26 is fixedly connected with a connecting block 28; the connecting block 28 is connected with the mounting seat 21 in a sliding manner through the moving groove 24; the front surface of the mounting seat 21 is provided with a plurality of fixing holes 22; the locking bolt 23 penetrates through the fixing hole 22, the mounting seat 21 and the connecting block 28; a thread protection mechanism 27 is arranged in the mounting seat 21 and close to the movable groove 24;
as shown in fig. 4, the protection mechanism 8 includes a connection mechanism 81, a filter screen 82, a scrap inlet 83, a cover 84, a scrap storage chamber 85, and a guide plate 86; the filter screen 82 is fixedly connected with the inner wall of the pump body 1 through a connecting mechanism 81, and the filter screen 82 is obliquely arranged so as to ensure that sand smoothly rolls into the crushed material storage chamber 85; a crushed material storage chamber 85 is arranged at one end of the interior of the pump body 1 close to the impeller chamber 9, and a crushed material inlet 83 is formed in one end of the crushed material storage chamber 85; one end of the filter screen 82 is fixedly connected with a crushed material storage chamber 85; a material guide plate 86 is arranged inside the crushed material storage chamber 85; a cover body 84 is arranged at the connecting position of the lower end of the crushed material storage chamber 85 and the pump body 1.
Aiming at the problems that when a multi-stage pump is used in the cold and winter, a water outlet nozzle 10 at the lower part of a pump body 1 needs to be unscrewed after the multi-stage pump is stopped to completely discharge the medium in the pump body 1 to prevent frost cracking, and crushed aggregates are easy to enter the connecting position of the water outlet nozzle 10 and the pump body 1 during the mining operation, so that the threads are easy to damage when the water outlet nozzle 10 is unscrewed, the threaded connection fails, and the water outlet nozzle 10 is further damaged, the invention uses a protection mechanism 8 to filter the medium and the crushed aggregates in an impeller chamber 9 by using a filter screen 82, so that the crushed aggregates roll on the filter screen 82 by using gravity and enter a crushed aggregate storage chamber 85 through a crushed aggregate inlet 83, a material guide plate 86 can prevent the crushed aggregates from flowing out again due to vortex while guiding the materials, a cover body 84 is connected with the pump body 1 by using a bolt, and is convenient to install and disassemble, the crushed aggregate storage chamber 85 is cleaned, the medium and crushed aggregate particles in the impeller chamber 9 are filtered, crushed aggregates can be prevented from entering the connecting position between the water outlet nozzle 10 and the pump body 1, the problem that the threads are easily damaged when the water outlet nozzle 10 is unscrewed to cause failure of threaded connection is solved, the problem that the water outlet nozzle 10 at the lower part of the pump body 1 needs to be unscrewed after shutdown to completely release the medium in the pump body 1 when the multi-stage pump is used in cold winter is solved, frost cracking is prevented, the crushed aggregates during mine operation easily enter the connecting position between the water outlet nozzle 10 and the pump body 1, the threads are easily damaged when the water outlet nozzle 10 is unscrewed to cause failure of threaded connection, the water outlet nozzle 10 is damaged, and the water outlet nozzle 10 is well protected; aiming at the problems that when a multi-stage pump is used, pumps with different stages and different materials are required to be selected according to the use environment, the conventional base is generally cast in an integral mode and difficult to manufacture, a flow passage component cannot be independently selected according to the use requirement, meanwhile, the specifications and the sizes of the multi-stage pumps with different stages and materials are greatly different, the conventional base cannot be suitable for pump bodies 1 with different sizes, and the universality is poor, the position of a connecting block 28 in a moving groove 24 is adjusted according to the sizes of the pump bodies 1 with different models and specifications by arranging an installation mechanism 2, locking and fixing are carried out on a fixing hole 22, the connecting block 28 and an installation seat 21 through a locking bolt 23, after the adjustment is finished, the pump body 1 and the installation seat 21 are fixedly connected by using a connecting plate 25, meanwhile, the connecting plate 25 and the connecting rod 26 are connected by bolts, the radian of the connecting plate 25 with different radians can be changed to adapt to the, make the installation more stable, through the split type setting of installation mechanism 2 with the pump body 1, reduced the manufacturing degree of difficulty, can select the pump body 1 of different models and material according to service environment simultaneously, convenient to use has improved installation mechanism 2's commonality.
As an embodiment of the present invention, as shown in fig. 7, the thread guard mechanism 27 includes an oil filling port 271, an oil reservoir 274, an oil outlet 277, and an oil film cavity 278; the oil filling port 271 is arranged at the edge of the upper surface of the mounting seat 21; the oil storage chamber 274 is arranged at the lower end of the mounting seat 21 close to the oil filling port 271; the lower end of the oil storage chamber 274 is connected with an oil outlet nozzle 277 through a pipeline; an oil film cavity 278 is arranged at the lower end of the oil outlet nozzle 277; during operation, as the working environment of the water pump is mostly a humid environment, after the locking bolt 23 and the mounting seat 21 are used for a long time, corrosion can be caused due to corrosion of water, further the threaded connection fails, and the normal use of the mounting mechanism 2 is damaged.
As an embodiment of the present invention, as shown in fig. 7, a single chip 272 is disposed at one end of the inside of the mounting seat 21 close to the oil storage chamber 274, wherein the selectable types of the single chip 272 are: STC89C52 type; a power interface 273 is arranged on the side surface of the mounting seat 21 close to the oil storage chamber 274; a viscosity sensor 275 is arranged in the middle of the inside of the oil storage chamber 274, wherein the selectable types of the viscosity sensor 275 are as follows: model UHZ-9541; a heating plate 276 is arranged at the inner edge of the oil storage chamber 274; during working, in a cold environment in winter in the north, lubricating oil in the oil storage chamber 274 of the thread protection mechanism 27 becomes viscous due to the influence of air temperature, so that the sealing and lubricating effects cannot be achieved, and the thread protection mechanism 27 cannot work normally.
As an embodiment of the present invention, as shown in fig. 8, the connection mechanism 81 includes a mounting groove 811, a first magnet 812, a second magnet 813, a sealing mechanism 814, and a support rod 815; the mounting groove 811 is arranged at the other end of the inner wall of the pump body 1 close to the impeller chamber 9; the first magnet 812 is arranged inside the mounting groove 811; one end of the supporting rod 815 is fixedly connected with the filter screen 82; the other end of the supporting rod 815 is fixedly connected with a second magnet 813; the second magnet 813 is connected with the first magnet 812 through magnetic attraction; a sealing mechanism 814 is arranged at the connecting position of the supporting rod 815 and the mounting groove 811; in the working process, the filter screen 82 on the protection mechanism 8 needs to be fixedly connected with the inner wall of the pump body 1, and the bolt can be corroded after long-time water flow soaking through a bolt connection fixing mode in the prior art, so that connection is failed, and the filter screen 82 cannot be normally detached and replaced.
As an embodiment of the present invention, as shown in fig. 9, the sealing mechanism 814 includes a connecting cylinder 8141, a sealing ring 8142, and a through hole 8143; the connecting cylinder 8141 is fixedly connected with the mounting groove 811; a through hole 8143 is formed in the connecting cylinder 8141; a sealing ring 8142 is arranged in the through hole 8143, and the sealing ring 8142 is a component made of ceramic materials; in the working process, the connecting mechanism 81 fixedly connects the filter screen 82 and the mounting groove 811 through the second magnet 813 and the first magnet 812, and the second magnet 813 and the first magnet 812 can weaken magnetism after being soaked for a long time, so that the adsorption force is reduced, and the mounting stability of the filter screen 82 is reduced.
As an embodiment of the present invention, as shown in fig. 6, a slide bar 29 is disposed at a middle position of the bottom of the connecting block 28; the upper surface of the moving groove 24 is provided with a sliding groove 210 corresponding to the position of the sliding strip 29; the lower end of the connecting block 28 is connected with the moving groove 24 in a sliding way through a sliding strip 29 and a sliding groove 210; when the connecting block 28 on the mounting mechanism 2 is in position adjustment, the friction between the connecting block 28 and the moving groove 24 is large, and the friction loss can be caused to the connecting block 28 after long-time use, so that the service life of the connecting block 28 is further shortened.
The using method comprises the following steps: when the invention is used, the water pump is conveyed to a use place, the water pump is connected with a motor through a coupler 5, a water inlet 3 and a water outlet 6 are respectively connected with an external pipeline, pumps with different levels and different materials are selected according to use environments, the position of the connecting block 28 in the moving groove 24 is adjusted by comparing the sizes of pump bodies 1 with different models and specifications, the fixing hole 22, the connecting block 28 and the mounting seat 21 are locked and fixed through the locking bolt 23, after the adjustment is finished, the pump body 1 and the mounting seat 21 are fixedly connected through the connecting plate 25, the manufacturing difficulty is reduced through the split type arrangement of the mounting mechanism 2 and the pump body 1, meanwhile, the pump bodies 1 with different models and materials can be selected according to the use environments, the use is convenient, the universality of the mounting mechanism 2 is improved, crushed aggregates during mine operation can easily enter the connecting position of the water outlet nozzle 10 and the pump body, the invention filters medium and crushed aggregates in the impeller chamber 9 by using the filter screen 82 through the arrangement of the protection mechanism 8, so that the crushed aggregates roll on the filter screen 82 by using gravity and enter the crushed aggregates storage chamber 85 through the crushed aggregates inlet 83, the material guide plate 86 can prevent the crushed aggregates from flowing out again due to vortex while guiding the materials, the cover body 84 is connected with the pump body 1 through bolts, the installation and disassembly are convenient, the crushed aggregates storage chamber 85 is cleaned, the problem that the threads are easily damaged when the multi-stage pump is used in cold winter because the water outlet nozzle 10 at the lower part of the pump body 1 needs to be unscrewed to completely discharge the medium in the pump body 1 after the multi-stage pump is shut down to prevent frost cracking is solved, the crushed aggregates during mine operation easily enter the connecting position of the water outlet nozzle 10 and the pump body 1, and the threads are easily damaged when the water outlet nozzle 10 is unscrewed is solved, leading to the failure of the threaded connection and further damaging the water outlet nozzle 10, and realizing good protection of the water outlet nozzle 10.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an energy-saving multistage formula water pump of self-balancing, includes pump body (1), its characterized in that: the pump body (1) is sequentially provided with a working mechanism, an installation mechanism (2) and a protection mechanism (8);
the working mechanism comprises a water inlet (3), a transmission shaft (4), a coupler (5), a water outlet (6), a bearing end cover (7), an impeller chamber (9), a water outlet nozzle (10), a connecting bearing (11), an impeller (12) and a stuffing box (13); the transmission shaft (4) penetrates through the pump body (1); one end of the transmission shaft (4) is fixedly connected with a coupler (5); the other end of the transmission shaft (4) is rotatably connected with the pump body (1) through a connecting bearing (11) and a bearing end cover (7); the water inlet (3) is arranged at one end of the front surface of the pump body (1); the water outlet (6) is arranged at one end of the upper surface of the pump body (1); a plurality of impeller chambers (9) are arranged in the middle of the interior of the pump body (1), and impellers (12) are rotationally connected in the impeller chambers (9); a stuffing box (13) is arranged at one end of the interior of the pump body (1) close to the impeller chamber (9), and the stuffing box (13) is connected with the transmission shaft (4) in a sleeved mode; the lower surface of the pump body (1) is provided with a plurality of water outlet nozzles (10);
the mounting mechanism (2) comprises a mounting seat (21), a fixing hole (22), a locking bolt (23), a moving groove (24), a connecting plate (25), a connecting rod (26), a thread protection mechanism (27), a connecting block (28), a sliding strip (29) and a sliding groove (210); the connecting plate (25) is fixedly connected with the lower surface of the pump body (1); the upper end of the connecting rod (26) is fixedly connected with the connecting plate (25); the lower end of the connecting rod (26) is fixedly connected with a connecting block (28); the connecting block (28) is connected with the mounting seat (21) in a sliding manner through a moving groove (24); the front surface of the mounting seat (21) is provided with a plurality of fixing holes (22); the locking bolt (23) penetrates through the fixing hole (22), the mounting seat (21) and the connecting block (28); a thread protection mechanism (27) is arranged in the mounting seat (21) at a position close to the moving groove (24);
the protection mechanism (8) comprises a connecting mechanism (81), a filter screen (82), a crushed material inlet (83), a cover body (84), a crushed material storage chamber (85) and a material guide plate (86); the filter screen (82) is fixedly connected with the inner wall of the pump body (1) through a connecting mechanism (81), and the filter screen (82) is obliquely arranged so as to ensure that sand smoothly rolls into the crushed material storage chamber (85); a crushed material storage chamber (85) is arranged at one end of the interior of the pump body (1) close to the impeller chamber (9), and a crushed material inlet (83) is formed in one end of the crushed material storage chamber (85); one end of the filter screen (82) is fixedly connected with the crushed material storage chamber (85); a material guide plate (86) is arranged inside the crushed material storage chamber (85); and a cover body (84) is arranged at the connecting position of the lower end of the crushed material storage chamber (85) and the pump body (1).
2. The self-balancing energy-saving multi-section water pump according to claim 1, wherein: the thread protection mechanism (27) comprises an oil filling port (271), an oil storage chamber (274), an oil outlet nozzle (277) and an oil film cavity (278); the oil filling port (271) is arranged at the edge of the upper surface of the mounting seat (21); the oil storage chamber (274) is arranged at the lower end, close to the oil filling port (271), of the interior of the mounting seat (21); the lower end of the oil storage chamber (274) is connected with an oil outlet nozzle (277) through a pipeline; an oil film cavity (278) is arranged at the lower end of the oil outlet nozzle (277).
3. The self-balancing energy-saving multi-section water pump of claim 2, wherein: a single chip microcomputer (272) is arranged at one end, close to the oil storage chamber (274), in the mounting seat (21); a power supply interface (273) is formed in the position, close to the oil storage chamber (274), of the side surface of the mounting seat (21); a viscosity sensor (275) is arranged in the middle of the inside of the oil storage chamber (274); the heating plate (276) is arranged at the inner edge position of the oil storage chamber (274).
4. The self-balancing energy-saving multi-section water pump according to claim 1, wherein: the connecting mechanism (81) comprises a mounting groove (811), a first magnet (812), a second magnet (813), a sealing mechanism (814) and a support rod (815); the mounting groove (811) is formed in the position, close to the other end of the impeller chamber (9), of the inner wall of the pump body (1); the first magnet (812) is arranged inside the mounting groove (811); one end of the supporting rod (815) is fixedly connected with the filter screen (82); the other end of the supporting rod (815) is fixedly connected with a second magnet (813); the second magnet (813) is connected with the first magnet (812) through magnetic attraction; and a sealing mechanism (814) is arranged at the connecting position of the supporting rod (815) and the mounting groove (811).
5. The self-balancing energy-saving multi-section water pump of claim 4, wherein: the sealing mechanism (814) comprises a connecting cylinder (8141), a sealing ring (8142) and a through hole (8143); the connecting cylinder (8141) is fixedly connected with the mounting groove (811); a through hole (8143) is formed in the connecting cylinder (8141); a sealing ring (8142) is arranged in the through hole (8143), and the sealing ring (8142) is a component made of ceramic materials.
6. The self-balancing energy-saving multi-section water pump according to claim 1, wherein: a sliding strip (29) is arranged at the middle position of the bottom of the connecting block (28); a sliding groove (210) is formed in the position, corresponding to the sliding strip (29), of the upper surface of the moving groove (24); the lower end of the connecting block (28) is connected with the moving groove (24) in a sliding mode through a sliding strip (29) and a sliding groove (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017268.8A CN112196807A (en) | 2020-09-24 | 2020-09-24 | Self-balancing energy-saving multistage formula water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017268.8A CN112196807A (en) | 2020-09-24 | 2020-09-24 | Self-balancing energy-saving multistage formula water pump |
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| Publication Number | Publication Date |
|---|---|
| CN112196807A true CN112196807A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011017268.8A Withdrawn CN112196807A (en) | 2020-09-24 | 2020-09-24 | Self-balancing energy-saving multistage formula water pump |
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| CN (1) | CN112196807A (en) |
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| CN113417863A (en) * | 2021-07-30 | 2021-09-21 | 沈阳通达水泵制造有限公司 | Short cantilever sealed built-in self-balancing centrifugal pump |
| CN117780688A (en) * | 2024-02-26 | 2024-03-29 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
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| CN117780688A (en) * | 2024-02-26 | 2024-03-29 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
| CN117780688B (en) * | 2024-02-26 | 2024-04-30 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
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