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CN-224228964-U - Spark-free high-pressure centrifugal fan

CN224228964UCN 224228964 UCN224228964 UCN 224228964UCN-224228964-U

Abstract

The utility model relates to the technical field of centrifugal fans, in particular to a spark-free high-pressure centrifugal fan which mainly comprises a centrifugal machine body, wherein a filter screen is arranged on the centrifugal machine body, and further comprises a quick-dismantling assembly, the quick-dismantling assembly is arranged on the centrifugal machine body and comprises a fixing plate and a mounting seat, the mounting seat is arranged on the centrifugal machine body, a fixing ring is arranged on the mounting seat, a fixing groove is formed in the fixing ring, a locking plate is arranged on the mounting seat, and the fixing plate is arranged on the filter screen. According to the sparkless high-pressure centrifugal fan, the locking plate is separated from the inside of the fixed groove by pulling the pulling plate, and then the fixed ring can be driven to be separated from the inside of the placing groove by the elasticity of the torsion spring, so that a worker can detach the fixed plate from the air inlet on the centrifugal fan body, the efficiency of detaching the filter screen can be improved, and the worker can conveniently transfer the filter screen to other places for cleaning.

Inventors

  • SHI SHAN
  • ZHANG NING
  • ZHANG PENG

Assignees

  • 丹华海洋工程装备(南通)有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (8)

  1. 1. The sparkless high-pressure centrifugal fan comprises a centrifugal machine body (1), wherein a filter screen (4) is arranged on the centrifugal machine body (1), and is characterized by further comprising: The quick-release assembly is arranged on the centrifugal machine body (1), the quick-release assembly comprises a fixing plate (3) and a mounting seat (2), the mounting seat (2) is arranged on the centrifugal machine body (1), a fixing ring (5) is arranged on the mounting seat (2), a fixing groove (11) is formed in the fixing ring (5), a locking plate (12) is arranged on the mounting seat (2), the fixing plate (3) is arranged on the filter screen (4), and the quick-release assembly is used for quick-release of the filter screen (4); The guide assembly is arranged on the mounting seat (2), the guide assembly comprises a limiting column (16) and a placing groove (18), the limiting column (16) is arranged on the fixing plate (3), the placing groove (18) is arranged on the mounting seat (2), and the guide assembly is used for guiding the installation of the filter screen (4).
  2. 2. The sparkless high pressure centrifugal fan according to claim 1, wherein the quick release assembly further comprises a rotating member (8) arranged on one side of the mounting seat (2), a rotating column (10) is rotatably arranged on the rotating member (8), and the fixing ring (5) is arranged on the outer side of the rotating column (10).
  3. 3. The sparkless high pressure centrifugal fan according to claim 2, wherein a circular groove (20) is formed in one side, close to the fixed ring (5), of the rotating member (8), a torsion spring (9) is arranged between the fixed ring (5) and the circular groove (20), and the torsion spring (9) is arranged on the outer side of the rotating column (10).
  4. 4. The sparkless high-pressure centrifugal fan according to claim 1, wherein two groups of accommodating grooves (15) are symmetrically arranged on one side of the mounting base (2), elastic pieces (14) are arranged on the inner sides of the accommodating grooves (15), pull plates (13) are arranged on one side of the elastic pieces (14), and the locking plates (12) are arranged on one side, close to the mounting base (2), of the pull plates (13).
  5. 5. The sparkless high pressure centrifugal fan according to claim 1, wherein the mounting base (2) is provided with a through groove (19) corresponding to the locking plate (12), and the locking plate (12) is movably arranged in the through groove (19).
  6. 6. The sparkless high pressure centrifugal fan according to claim 5, wherein a connecting plate (6) is arranged on one side of the fixing ring (5), the fixing groove (11) is arranged on the connecting plate (6), and the fixing groove (11) is matched with the locking plate (12).
  7. 7. The sparkless high-pressure centrifugal fan according to claim 1, wherein the guide assembly further comprises three groups of limiting columns (16) which are uniformly arranged on one side, close to the mounting seat (2), of the fixing plate (3), three groups of limiting holes (17) are symmetrically formed in the placing groove (18), and the limiting columns (16) are matched with the limiting holes (17).
  8. 8. The sparkless high pressure centrifugal fan according to claim 1, wherein the fixing plate (3) is symmetrically provided with two groups of pull grooves (7).

Description

Spark-free high-pressure centrifugal fan Technical Field The utility model relates to the technical field of centrifugal fans, in particular to a spark-free high-pressure centrifugal fan. Background In the high-risk industries such as petrochemical industry, coal mining, gas transportation, military industry and the like, the traditional fan can cause explosion accidents due to mechanical friction, electric sparks or static accumulation, so that serious casualties and property loss are caused, and the sparkless high-pressure centrifugal fan becomes core equipment of a ventilation system in a high-risk place by eliminating mechanical and electric fire sources. When using centrifugal fan, in order to avoid impurity to get into inside through the air intake, can install the filter screen in air intake position usually to can filter impurity, thereby can realize the effective protection to centrifugal fan, because the filter screen can be infected with more impurity above the filter screen after using a period of time, therefore the staff need regularly dismantle the clearance to the filter screen However, since the filter screen is usually fixed by the bolt matching with the flange plate, when the worker needs to detach the filter screen, the worker needs to detach the bolt by using a professional tool, and then the filter screen can be detached and cleaned, so that the cleaning efficiency of the worker is influenced, and the use of the centrifugal machine is possibly influenced. Disclosure of utility model The utility model aims to provide a sparkless high-pressure centrifugal fan, which aims to solve the problem that the cleaning of a filter screen is troublesome in the background technology. The spark-free high-pressure centrifugal fan comprises a centrifugal machine body, a filter screen arranged on the centrifugal machine body, a quick-dismantling assembly arranged on the centrifugal machine body, a guide assembly arranged on the installation seat and comprising a limit post and a placing groove, wherein the quick-dismantling assembly comprises a fixing plate and a mounting seat, the mounting seat is arranged on the centrifugal machine body, a fixing ring is arranged on the mounting seat, a fixing groove is formed in the fixing ring, a locking plate is arranged on the mounting seat, the fixing plate is arranged on the filter screen, the quick-dismantling assembly is used for quickly dismantling the filter screen, and the guide assembly is arranged on the mounting seat and comprises a limit post and a placing groove, the limit post is arranged on the fixing plate, the placing groove is arranged on the mounting seat and is used for guiding the installation of the filter screen. Preferably, the quick-release assembly further comprises a rotating member arranged on one side of the mounting seat, a rotating column is arranged on the rotating member in a rotating mode, and the fixing ring is arranged on the outer side of the rotating column. Preferably, a round groove is formed in one side, close to the fixed ring, of the rotating piece, a torsion spring is arranged between the fixed ring and the round groove, and the torsion spring is arranged on the outer side of the rotating column. Preferably, two groups of storage grooves are symmetrically formed in one side of the mounting seat, an elastic piece is arranged on the inner side of each storage groove, a pull plate is arranged on one side of each elastic piece, and the locking plate is arranged on one side, close to the mounting seat, of the pull plate. Preferably, the mounting seat is provided with a through groove corresponding to the locking plate, and the locking plate is movably arranged in the through groove. Preferably, a connecting plate is arranged on one side of the fixing ring, the fixing groove is arranged on the connecting plate, and the fixing groove is matched with the locking plate. Preferably, the guide assembly further comprises three groups of limiting columns which are uniformly arranged on one side, close to the mounting seat, of the fixing plate, three groups of limiting holes are symmetrically formed in the placing groove, and the limiting columns are matched with the limiting holes. Preferably, two groups of pull grooves are symmetrically arranged on the fixing plate. Compared with the prior art, the utility model has the beneficial effects that: When the filter screen needs to be disassembled, a worker pulls the pull plate to enable the locking plate to be separated from the inside of the fixing groove, and then the fixing ring can be driven to be separated from the inside of the placing groove through the elastic force of the torsion spring, so that the worker can disassemble the fixing plate from the air inlet on the centrifuge body, the worker can improve the disassembly efficiency of the filter screen, and the worker can conveniently transfer the filter screen to other places for cleaning; In order to improve the installation effi