CN219754895U - Compact high-speed centrifugal blower - Google Patents

Compact high-speed centrifugal blower Download PDF

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Publication number
CN219754895U
CN219754895U CN202320315727.3U CN202320315727U CN219754895U CN 219754895 U CN219754895 U CN 219754895U CN 202320315727 U CN202320315727 U CN 202320315727U CN 219754895 U CN219754895 U CN 219754895U
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China
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oil
gear box
motor
speed increasing
increasing gear
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Application number
CN202320315727.3U
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Chinese (zh)
Inventor
雷雪梅
葛玉柱
杜海英
李毅
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Hunan Fine High Intelligent Equipment Co ltd
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Hunan Fine High Intelligent Equipment Co ltd
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Abstract

The utility model discloses a compact high-speed centrifugal blower. The blower comprises a motor, an oil tank assembly, a speed increasing gear box, a pneumatic acting element and a lubricating oil filter, wherein the motor is fixed on the oil tank assembly through a threaded fastener, the motor is connected with the speed increasing gear box, the speed increasing gear box is connected with the pneumatic acting element, the speed increasing gear box is connected with the oil tank assembly through a pipeline connecting assembly, and the lubricating oil filter is arranged on the motor. According to the utility model, the motor, the speed increasing gear box and the pneumatic acting element are integrally designed into a whole, the motor and the speed increasing gear box are not connected through an elastic coupling, the motor shaft is simultaneously used as a low-speed input shaft of the speed increasing gear box, the speed is increased through the primary gear transmission, and the high-speed output gear shaft of the speed increasing gear box directly drives the impeller to do work, so that the axial installation size of the motor and the speed increasing gear box is reduced, the installation space is saved, the production and manufacturing cost is reduced, and the operation reliability is improved.

Description

Compact high-speed centrifugal blower
Technical Field
The utility model relates to the technical field of blowers, in particular to a compact high-speed centrifugal blower.
Background
The high-speed centrifugal blower is an indispensable key device in industrial production, and the commonly used single-stage high-speed centrifugal blower is realized by a gear speed increasing mode, and a high-speed gear shaft in a speed increasing gear box directly drives an impeller to do work.
The conventional gear accelerating type high-speed centrifugal blower mainly comprises a driving motor, an accelerating gear box, an oil tank and an installation supporting base, wherein the driving motor is connected with the accelerating gear box through an elastic coupling. The shaft extension of the driving motor and the input shaft of the speed-increasing gear box have the problem of shafting misalignment, and the installation error of equipment, thermal expansion in a working state, deformation after bearing and the like all can cause the increase of shafting misalignment error, so that a series of dynamic effects which are unfavorable for the normal operation of the equipment are generated, and the vibration of a unit is abnormal. In order to furthest reduce the shafting misalignment error of the driving motor and the speed increasing gear box, the shafting misalignment error of the shaft extension of the driving motor and the input shaft of the speed increasing gear box is ensured to be within the range of phi 0.01mm through aligning during installation. Because the aligning requirement is higher, the time and the labor are consumed in the installation process, and the cost is higher. The driving motor is connected with the speed increasing gear box through an elastic coupling, so that the axial size of the blower is longer, the unit size is large, and the manufacturing cost of equipment is increased. Due to the compensation effect of the elastic coupling on the misalignment of the shaft system, the performance of the elastic coupling directly influences the operation reliability and stability of the high-speed centrifugal blower. The driving motor and the speed-increasing gear box are cooled by lubricating oil, the lubricating oil pipelines of the whole machine are more, the oil leakage failure rate is higher, and the arrangement of the lubricating oil pipelines greatly influences the appearance of the blower.
Disclosure of Invention
The utility model aims to provide a compact high-speed centrifugal blower, which solves the problem that the system vibration is abnormal due to the fact that a driving motor is connected with a speed increasing gear box by an elastic coupling in the conventional blower and a shafting is not centered. According to the compact high-speed centrifugal blower, the installation requirement is reduced, the installation aligning process requirement is avoided, and the assembly efficiency is improved. The lubricating oil filter and the motor are integrated, and through designing an internal oil way, the lubricating oil pipelines among the driving motor, the speed increasing gear box and the lubricating oil filter are reduced, and the technical scheme adopted by the utility model is as follows:
according to one aspect of the utility model, there is provided a compact high-speed centrifugal blower comprising a motor, an oil tank assembly, a speed increasing gearbox, a pneumatic working element and a lubricating oil filter, wherein the motor is arranged on the upper side of the oil tank assembly and is connected with the oil tank assembly through an oil pipe, the motor is connected with the speed increasing gearbox, the pneumatic working element is connected with the speed increasing gearbox, the speed increasing gearbox is connected with the oil tank assembly through a pipeline connecting assembly, the lubricating oil filter is arranged on the motor, an oil inlet of the lubricating oil filter is communicated with an oil outlet of the motor, and an oil outlet of the lubricating oil filter is communicated with an oil inlet of the speed increasing gearbox.
Preferably, the motor is a high-speed permanent magnet synchronous motor.
Preferably, the oil tank assembly comprises an oil tank, an electric oil supply pump assembly, an oil path collecting block, an oil drain ball valve, a lubricating oil heater and a lubricating oil cooler, wherein the electric oil supply pump assembly and the oil path collecting block are all arranged on the upper side of the oil tank, the electric oil supply pump assembly comprises two oil supply pumps, the two oil supply pumps are arranged on the upper side of one end of the oil tank side by side, the oil path collecting block is arranged on the upper side of the oil tank and is located near the electric oil supply pump, the oil drain ball valve is arranged on one side of the bottom of the oil tank, the lubricating oil heater is arranged on one side of the oil tank and is located on the same side as the oil drain ball valve, and the lubricating oil cooler is arranged on the other side of the oil tank.
Preferably, the electric oil supply pump assembly includes two electric oil supply pumps, and the two electric oil supply pumps are arranged on the upper side of the oil tank side by side and connected with the oil tank.
Preferably, the pneumatic acting element comprises an impeller and a volute, the impeller is arranged in the volute, the volute is arranged on one side of the speed increasing gear box, and the impeller is connected with the output end of the speed increasing gear box.
Preferably, the pipeline connecting assembly comprises a pipeline connector and a mounting seat, wherein the two ends of the pipeline connector are connected with the mounting seat, the upper end of the pipeline connector is connected with the speed increasing gear box through the mounting seat, and the lower end of the pipeline connector is connected with the oil tank through the mounting seat.
Preferably, the lubricating oil filter is a plate filter.
The technical scheme adopted by the utility model has the following remarkable effects:
(1) The motor and the speed increasing gear box are integrated into an integral structure, the middle of the motor is connected with the inelastic coupling, the whole machine is convenient to install, the process requirement of installation and aligning is avoided, and the assembly efficiency is improved. Meanwhile, the axial installation size of the motor and the speed increasing gear box is reduced, the unit size of the blower is further effectively reduced, the installation space is saved, the structure is compact, the size is small, the weight is light, the production and manufacturing cost of the blower is reduced, and the operation reliability of the blower is improved.
(2) The motor shaft of the motor is used as a low-speed input shaft of the speed increasing gear box, and the input large gear is directly arranged on the motor shaft, so that the parts of the speed increasing gear box are reduced, and the processing and manufacturing cost of the speed increasing gear box is reduced.
(3) The lubricating oil filter and the motor are integrated, and through the design of an internal oil way, the lubricating oil pipelines among the motor, the speed increasing gear box and the lubricating oil filter are reduced, the oil leakage risk is reduced, and the lubricating pipeline arrangement of the blower is optimized.
Drawings
FIG. 1 is a front view of the present utility model;
fig. 2 is a left side view of the present utility model.
The device comprises a 1-motor, a 2-speed increasing gearbox, a 3-impeller assembly, a 4-oil tank assembly, a 5-lubricating oil filter, a 6-threaded fastener, a 101-motor oil inlet, a 201-pipeline connecting assembly, a 202-speed increasing gearbox body, a 401-oil tank, a 402-electric oil supply pump assembly, a 403-oil path collecting block, a 404-oil discharging ball valve, a 405-lubricating oil heater, a 406-lubricating oil cooler, a 407-motor and cooler connecting oil pipe and a 408-oil path collecting block and cooler connecting oil pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
As shown in fig. 1, a compact high-speed centrifugal blower according to the present utility model includes a motor 1, a tank assembly 4, a speed increasing gearbox 2, an impeller assembly 3 and a lubricant filter 5, the motor 1 is fixed on the tank assembly 4 by a screw fastener 6, the motor 1 is a high-speed permanent magnet synchronous motor, the tank assembly 4 includes a tank 401, an electric oil supply pump assembly 402, an oil passage collecting block 403, an oil drain ball valve 404, a lubricant heater 405 and a lubricant cooler 406, the electric oil supply pump assembly 402 and the oil passage collecting block 403 are both provided on the upper side of the tank 401, the electric oil supply pump assembly 402 includes two oil supply pumps, the two oil supply pumps are provided side by side on the upper side of one end of the tank 401, the oil passage collecting block 403 is provided on the upper side of the tank 401 and in the vicinity of the electric oil supply pump, the oil drain ball valve 404 is provided on the bottom side of the tank 401, and the lubricant heater 405 is provided on the side of the same side as the oil drain ball valve 404. The lubricating oil cooler 406 is provided on the side of the oil tank 401. The oil tank 401 is used for storing lubricating oil and also serves as a support base for the motor 1 and the step-up gear box 2. The lubricating oil flows into the oil path collecting block and cooler connecting pipe 408 through the electric oil supply pump, flows into the lubricating oil cooler 406 for cooling, and flows into the motor oil inlet 101 through the motor and cooler connecting pipe 407, so that the heat dissipation requirement of the motor 1 is ensured.
The driving large gear of the speed increasing gear box 2 is connected with a motor shaft of the motor 1, the speed increasing gear box body 202 is connected with a shell of the motor 1 through a flange, the speed increasing gear box 2 is connected with an oil tank 401 through a pipeline connecting assembly 201, the pipeline connecting assembly 201 comprises a pipeline connector and a mounting seat, the upper end of the pipeline connector is connected with the speed increasing gear box 2 through the mounting seat, the lower end of the pipeline connector is connected with the oil tank 401 through the mounting seat, the pipeline connector is not only used for lubricating oil circulation, but also has the function of auxiliary support, the high-speed permanent magnet synchronous motor is used as a driving motor, the high-speed permanent magnet synchronous motor is integrally designed into an integrated structure with the speed increasing gear box 2, and the speed increasing gear box body 202 and the motor flange are centered through a cylindrical surface and rigidly connected through a threaded fastener 6. The appearance of the speed increasing gearbox 202 is designed into a cylindrical structure, and is consistent with that of the high-speed permanent magnet synchronous motor.
The impeller assembly 3 is connected with the speed increasing gear box 2, the impeller assembly 3 comprises a volute and an impeller, the impeller is arranged in the volute, the impeller is connected with the output end of the speed increasing gear box, the volute is connected with the speed increasing gear box body 202, and the impeller is driven to do work through the speed increasing gear box 2.
The lubricating oil filter 5 is arranged on one side of the motor shell, the lubricating oil filter 5 adopts a plate filter, an oil inlet of the lubricating oil filter 5 is communicated with an oil outlet of the high-speed permanent magnet synchronous motor, an oil outlet of the lubricating oil filter 5 is communicated with an oil inlet of the speed increasing gearbox 2, and an O-shaped ring is adopted to seal the oil inlet of the speed increasing gearbox 2 and the high-speed permanent magnet synchronous motor. Lubricating oil enters an internal flow passage of the high-speed permanent magnet synchronous motor through an oil inlet of the motor 1, and enters the speed increasing gearbox through a lubricating oil filter 5.
When the utility model is used, the motor 1 is started, the motor 1 drives the speed increasing gear box 2, the speed increasing gear box 2 drives the qigong acting element, meanwhile, the electric oil supply pump extracts lubricating oil from the oil tank 401, flows into the cooler through the connecting oil pipe of the oil path collecting block and the cooler, flows into the motor 1 through the connecting oil pipe of the motor and the cooler, flows into the lubricating oil filter 5 from the oil outlet of the motor 1, flows into the speed increasing gear box 2 from the oil outlet of the lubricating oil filter 5, and the speed increasing gear box 2 flows back to the oil tank 401 through the pipeline connecting assembly.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (7)

1. A compact high speed centrifugal blower, characterized by: the automatic working device comprises a motor, an oil tank assembly, a speed increasing gear box, a pneumatic working element and a lubricating oil filter, wherein the motor is arranged on the upper side of the oil tank assembly and is connected with the oil tank assembly, the motor is connected with the speed increasing gear box, the pneumatic working element is connected with the speed increasing gear box, the speed increasing gear box is connected with the oil tank assembly through a pipeline connecting assembly, the lubricating oil filter is arranged on the motor, an oil inlet of the lubricating oil filter is communicated with an oil outlet of the motor, and an oil outlet of the lubricating oil filter is communicated with an oil inlet of the speed increasing gear box.
2. A compact high speed centrifugal blower according to claim 1, wherein: the motor is a high-speed permanent magnet synchronous motor.
3. A compact high speed centrifugal blower according to claim 1, wherein: the oil tank subassembly includes oil tank, electric oil supply pump subassembly, oil circuit collection piece, oil drain ball valve, lubricating oil heater and lubricating oil cooler, and electric oil supply pump subassembly and oil circuit collection piece are all established in the upside of oil tank, and electric oil supply pump subassembly includes two oil supply pumps, and two oil supply pumps set up the upside in oil tank one end side by side, and the oil circuit collection piece sets up in the oil tank upside, and is located near electric oil supply pump, and the oil drain ball valve sets up the one side in the oil tank bottom, and lubricating oil heater sets up in oil tank one side, and is located same one side with the oil drain ball valve, lubricating oil cooler establishes the opposite side at the oil tank.
4. A compact high speed centrifugal blower according to claim 3, wherein: the electric oil supply pump assembly comprises two electric oil supply pumps, and the two electric oil supply pumps are arranged on the upper side of the oil tank side by side and are connected with the oil tank.
5. A compact high speed centrifugal blower according to claim 1, wherein: the pneumatic acting element comprises an impeller and a volute, the impeller is arranged in the volute, the volute is arranged on one side of the speed increasing gear box, and the impeller is connected with the output end of the speed increasing gear box.
6. A compact high speed centrifugal blower according to claim 3, wherein: the pipeline connecting assembly comprises a pipeline connector and mounting seats, the mounting seats are connected to two ends of the pipeline connector, the upper end of the pipeline connector is connected with the speed increasing gear box through the mounting seats, and the lower end of the pipeline connector is connected with the oil tank through the mounting seats.
7. A compact high speed centrifugal blower according to claim 1, wherein: the lubricating oil filter is a plate filter.
CN202320315727.3U 2023-02-24 2023-02-24 Compact high-speed centrifugal blower Active CN219754895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320315727.3U CN219754895U (en) 2023-02-24 2023-02-24 Compact high-speed centrifugal blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320315727.3U CN219754895U (en) 2023-02-24 2023-02-24 Compact high-speed centrifugal blower

Publications (1)

Publication Number Publication Date
CN219754895U true CN219754895U (en) 2023-09-26

Family

ID=88077934

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320315727.3U Active CN219754895U (en) 2023-02-24 2023-02-24 Compact high-speed centrifugal blower

Country Status (1)

Country Link
CN (1) CN219754895U (en)

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