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CN-224202727-U - Piston ring fatigue test device

CN224202727UCN 224202727 UCN224202727 UCN 224202727UCN-224202727-U

Abstract

The utility model discloses a piston ring fatigue test device which comprises a workbench and clamping modules arranged on two opposite sides of the workbench, wherein the clamping modules comprise a rotating frame, a connecting arm, a fixing assembly and a driving assembly, piston ring clamping grooves matched with piston rings are formed in the workbench, rotating frames are respectively rotatably arranged on two opposite sides of the workbench, and connecting arms matched with the piston rings are arranged at the outer ends of the rotating frames. The utility model overcomes the defects that in the prior art, when the device is used, the piston ring is required to be placed in the piston ring clamping groove, then the position of the connecting arm is manually adjusted, then the clamping of the piston ring is realized through the clamping roller group, the clamping and the assembling of the piston ring are very troublesome, the disassembly is inconvenient, and the time and the labor are wasted. Thereby providing a piston ring fatigue test device which is convenient for clamping and assembling the piston ring.

Inventors

  • TAO NENGLIN

Assignees

  • 芜湖依格森汽车部件有限公司

Dates

Publication Date
20260505
Application Date
20250521

Claims (7)

  1. 1. A piston ring fatigue test device is characterized by comprising a workbench (1) and clamping modules (2) arranged on two opposite sides of the workbench (1), The clamping module (2) comprises a rotating frame (201), a connecting arm (202), a fixing assembly (203) and a driving assembly (204), wherein a piston ring clamping groove (101) matched with a piston ring is formed in the workbench (1), the rotating frame (201) is respectively and rotatably arranged on two opposite sides of the workbench, the connecting arm (202) matched with the piston ring is arranged at the outer end of the rotating frame (201), a limiting groove (20201) matched with the piston ring is formed in the outer end of the connecting arm (202), the fixing assembly (203) is arranged at the outer end of the connecting arm (202) and used for fixing the piston ring, and the driving assembly (204) is arranged on the workbench (1) and used for driving the rotating frame (201) to rotate in a reciprocating mode.
  2. 2. A piston ring fatigue testing device according to claim 1, wherein the connecting arm (202) is arc-shaped.
  3. 3. The piston ring fatigue test device according to claim 2, wherein limiting frames (102) matched with the connecting arms (202) are respectively arranged on two opposite sides of the piston ring clamping groove (101).
  4. 4. The device for testing fatigue of a piston ring according to claim 1, wherein the fixing assembly (203) comprises a rotating rod (20301), a fixing block (20302) and a fixing piece, one end of the rotating rod (20301) is hinged to one side of the outer end of the connecting arm (202), the fixing block (20302) is matched with an opening of a limit groove (20201) of the connecting arm (202), one side of the fixing block is rotatably arranged on the outer side of the rotating rod (20301), and the fixing block (20302) can be fixed to the limit groove (20201) of the connecting arm (202) through the fixing piece.
  5. 5. The piston ring fatigue test device according to claim 1, wherein the driving assembly (204) comprises a linear motor (20401), one end of the linear motor (20401) far away from the output end is hinged at the bottom of the workbench (1), and the outer end of the telescopic rod (20402) is hinged at one side of the rotating frame (201).
  6. 6. The device for testing fatigue of a piston ring according to claim 4, wherein the inner side wall of the fixing block (20302) is in an arc shape adapted to the inner side of the piston ring, and the inner side wall of the limit groove (20201) is in an arc shape adapted to the outer side of the piston ring.
  7. 7. The piston ring fatigue test device according to claim 6, wherein the inner side wall of the fixed block (20302) and the inner side wall of the limit groove (20201) are provided with anti-skid patterns.

Description

Piston ring fatigue test device Technical Field The utility model relates to the technical field of piston ring processing, in particular to a piston ring fatigue test device. Background The piston ring is a core component in the fuel engine, is widely used in various power machines, and is used for sealing fuel gas together with a cylinder, a piston, a cylinder wall and the like, and the early piston ring is formed by casting, but with the progress of technology, a steel high-power piston ring is produced, and with the continuous improvement of the requirements on the functions and the environment of the engine, the requirements on the inner contour line, the outer contour line and the opening quality of the piston ring are also higher and higher. Chinese patent No. CN202121807216.0 discloses a piston ring fatigue test device, the device is through setting up the guide way of installation piston ring draw-in groove on the bottom plate, through installing the centre gripping module on the bottom plate of the both sides of piston ring draw-in groove, drive the connecting roller group on the linking arm and imbed the piston ring that is located in the piston ring draw-in groove through rotatory crow bar, drive movable block through the cylinder, drive the extension and the shrink of connecting roller unit that is located on the movable block through the movable block and realize the blank test of piston ring. The applicant found the following technical problems when implementing the above technical solutions: When the device is used, the piston ring is required to be placed in the piston ring clamping groove, then the position of the connecting arm is adjusted manually, then the clamping of the piston ring is realized through the clamping roller set, the clamping and the assembling of the piston ring are very troublesome, the disassembly is inconvenient, and the time and the labor are wasted. Accordingly, it is an urgent need to provide a piston ring fatigue test apparatus that facilitates clamping and assembly of a piston ring. Disclosure of utility model Aiming at the technical problems, the utility model aims to overcome the defects that when the device is used in the prior art, a piston ring is required to be placed in a piston ring clamping groove, then the position of a connecting arm is manually adjusted, then the clamping of the piston ring is realized through a clamping roller set, the clamping and the assembling of the piston ring are very troublesome, the disassembly is inconvenient, and the time and the labor are wasted. Thereby providing a piston ring fatigue test device which is convenient for clamping and assembling the piston ring. The device comprises a workbench and clamping modules arranged on two opposite sides of the workbench, wherein the clamping modules comprise a rotating frame, connecting arms, a fixing component and a driving component, piston ring clamping grooves matched with piston rings are formed in the workbench, the rotating frame is rotatably arranged on two opposite sides of the workbench, the connecting arms matched with the piston rings are arranged at the outer ends of the rotating frame, limiting grooves matched with the piston rings are formed in the outer ends of the connecting arms, the fixing component is arranged at the outer ends of the connecting arms and used for fixing the piston rings, and the driving component is arranged on the workbench and used for driving the rotating frame to rotate in a reciprocating mode. Preferably, the connecting arm is arc-shaped. Preferably, limiting frames matched with the connecting arms are respectively arranged on two opposite sides of the piston ring clamping groove. Preferably, the fixing assembly comprises a rotating rod, a fixing block and a fixing piece, wherein one end of the rotating rod is hinged to one side of the outer end of the connecting arm, the fixing block is matched with the opening of the limiting groove of the connecting arm, one side of the fixing block is rotatably arranged on the outer side of the rotating rod, and the fixing block can be fixed at the limiting groove of the connecting arm through the fixing piece. Preferably, the driving assembly comprises a linear motor, one end of the linear motor, which is far away from the output end of the linear motor, is hinged to the bottom of the workbench, and the outer end of the telescopic rod of the linear motor is hinged to one side of the rotating frame. Preferably, the inner side wall of the fixed block is in an arc shape matched with the inner side of the piston ring, and the inner side wall of the limit groove is in an arc shape matched with the outer side of the piston ring. Preferably, the inner side wall of the fixed block and the inner side wall of the limit groove are provided with anti-skid patterns. According to the technical scheme, compared with the prior art, the device has the advantages that the piston rings are clamped into the piston ring cl