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CN-224231254-U - Piston rotation stop pin pressure detection device

CN224231254UCN 224231254 UCN224231254 UCN 224231254UCN-224231254-U

Abstract

The utility model belongs to the technical field of detection of piston parts, and particularly relates to a piston rotation stopping pin pressure detection device which comprises a base, a fixing frame, a placing seat, an upper positioning plate and a screw rod, wherein the upper positioning plate is positioned above the placing seat, a piston main body is arranged between the placing seat and the upper positioning plate, a rotation stopping pin is installed in a piston groove formed in the piston main body, a detection head is arranged above the piston main body, the axis of the detection head and the axis of a clamping groove are in the same plumb line, the upper positioning plate is provided with a clamping groove for being inserted with the rotation stopping pin, the clamping seat is provided with a containing groove in sliding connection with the upper positioning plate, the clamping seat is fixedly connected with a moving seat through a fixing block, and the screw rod in threaded connection with the moving seat is rotatably installed in a through groove formed in the fixing frame.

Inventors

  • Lin Tiejin
  • HE WENWU
  • FAN XU
  • Jiang Taolong
  • CHEN JIANGUO

Assignees

  • 安徽嘉来顿活塞汽配有限公司

Dates

Publication Date
20260512
Application Date
20250626

Claims (8)

  1. 1. The utility model provides a piston stop pin pressure detection device, includes mount (2) and seat (3) of placing that base (1) and its top surface set firmly, its characterized in that still includes: The upper positioning plate (5) is positioned above the placement seat (3), a piston main body (8) is arranged between the placement seat (3) and the upper positioning plate (5), a stop pin (802) is arranged in a piston groove (801) formed in the piston main body (8), a detection head (16) is arranged above the piston main body (8), the axle center of the detection head (16) and the axle center of the clamping groove (501) are positioned on the same plumb line, and the upper positioning plate (5) is provided with the clamping groove (501) for being spliced with the stop pin (802); Clamping seat (4), offered holding tank (401) with last locating plate (5) sliding connection, clamping seat (4) link firmly with remove seat (9) through fixed block (403), logical groove (201) rotation that mount (2) were seted up install screw rod (10) with remove seat (9) threaded connection, screw rod (10) rotatory through remove seat (9) drive clamping seat (4) and move down and carry out the centre gripping fixed to piston main part (8).
  2. 2. The device for detecting the pressure of the piston rotation stop pin according to claim 1, wherein a communicating pipe (7) communicated with the clamping groove (501) is fixedly arranged at the top end of the upper positioning plate (5), and the communicating pipe (7) penetrates through the top end of the clamping seat (4) to be in sliding connection with the clamping seat (4).
  3. 3. The device for detecting the pressure of the piston rotation stopping pin according to claim 1, wherein two flat sliding grooves (402) are formed in the clamping seat (4), sliding blocks (6) are arranged in the sliding grooves (402) in a sliding mode, the bottom ends of the sliding blocks (6) are fixedly connected with the top of the upper positioning plate (5) through connecting plates (601), springs are arranged in the sliding grooves (402), and two ends of each spring are fixedly connected with the sliding blocks (6) and the clamping seat (4) respectively.
  4. 4. The device for detecting the pressure of the stop pin of the piston according to claim 1, wherein the clamping groove (501) is of a horn-shaped structure, the top end of the clamping groove (501) is larger than the bottom end of the clamping groove, the diameter of the bottom end of the clamping groove (501), the outer diameter of the stop pin (802) and the outer diameter of the detection head (16) are the same, and the diameter of the top end of the clamping groove (501) is the same as the inner diameter of the communicating pipe (7).
  5. 5. The device for detecting the pressure of the piston rotation stop pin according to claim 1, wherein a rotating shaft (1001) coaxially fixed with the bottom end of the screw rod (10) is rotatably arranged on the bottom surface of the through groove (201), a bevel gear I (11) meshed with a bevel gear II (12) is arranged on the outer wall of the rotating shaft (1001), the bevel gear II (12) is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft is fixedly connected with a crank arranged outside the fixing frame (2).
  6. 6. The device for detecting the pressure of the piston rotation stop pin according to claim 5, wherein a baffle (203) positioned above the bevel gear I (11) is fixedly arranged in the through groove (201), the baffle (203) is penetrated by the rotating shaft (1001) and is rotationally connected with the rotating shaft (1001), and a T-shaped guide rail (202) which is in sliding connection with the movable seat (9) is fixedly arranged on the top surface of the baffle (203).
  7. 7. The piston rotation stopping pin pressure detection device of claim 1, wherein the top end of the detection head (16) is fixedly connected with the connecting block (15) through a connecting rod (1601), a pressure sensor (14) is fixedly arranged above the connecting block (15), a cylinder (13) is arranged above the fixing frame (2), the output end of the cylinder (13) is fixedly connected with a lifting plate (1301), the bottom end of the lifting plate (1301) is fixedly connected with the pressure sensor (14), a display (17) connected with the pressure sensor (14) is fixedly arranged on one side of the fixing frame (2), and a display (18) penetrating through the top surface of the fixing frame (2) and in sliding connection with the fixing frame (2) is fixedly arranged on the top surface of the lifting plate (1301).
  8. 8. The device for detecting the pressure of the piston rotation stop pin according to claim 1, wherein the top surface of the placement seat (3) is fixedly provided with a lower limit plate (301) matched with the piston groove (801).

Description

Piston rotation stop pin pressure detection device Technical Field The utility model belongs to the technical field of detection of piston parts, and particularly relates to a piston rotation stop pin pressure detection device. Background The piston is a key moving part in a mechanical system, and has the main functions of converting the pressure applied by fluid on the surface of the piston into mechanical work or converting the mechanical movement into fluid pressure or fluid flow, and the piston stop pin is a small but key part on the piston and mainly has the functions of preventing the piston ring from rotating in the ring groove, and after the stop pin is installed, the piston needs to be subjected to spot check to ensure that the assembly stability of the stop pin is good; At present, the existing rotation stop pin pressure detection is usually completed by manually adopting pressurizing equipment (air cylinders, jacks and the like) to be matched with simple tools, the rotation stop pin is difficult to align with the output end of the pressurizing equipment, and uneven stress on a pressed surface is easily caused by deflection during testing, so that the accuracy of a test result is affected. In order to solve the above problems, the present application provides a piston stop pin pressure detection device. Disclosure of utility model The utility model aims to provide a piston rotation stop pin pressure detection device which solves the problems in the background technology. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a piston rotation stopping pin pressure detection device which comprises a base, a fixed frame and a placement seat, wherein the top surface of the fixed frame is fixedly arranged on the base, the upper positioning plate is positioned above the placement seat, a piston main body is arranged between the placement seat and the upper positioning plate, a rotation stopping pin is arranged in a piston groove formed in the piston main body, a detection head is arranged above the piston main body, the axis of the detection head and the axis of a clamping groove are in the same plumb line, the upper positioning plate is provided with a clamping groove for being inserted with the rotation stopping pin, a clamping seat is provided with a containing groove in sliding connection with the upper positioning plate, the clamping seat is fixedly connected with a moving seat through a fixed block, a screw rod in threaded connection with the moving seat is rotationally arranged in the through groove formed in the fixed frame, and the screw rod rotates to drive the clamping seat to move downwards to clamp and fix the piston main body. Further, a communicating pipe communicated with the clamping groove is fixedly arranged at the top end of the upper positioning plate, and the communicating pipe penetrates through the top end of the clamping seat and is in sliding connection with the clamping seat. Further, two flat sliding grooves are formed in the clamping seat, sliding blocks are arranged in the sliding grooves in a sliding mode, the bottom ends of the sliding blocks are fixedly connected with the top ends of the upper positioning plates through connecting plates, springs are arranged in the sliding grooves, and two ends of each spring are fixedly connected with the sliding blocks and the clamping seat respectively. Further, the clamping groove is of a horn-shaped structure, the top end of the clamping groove is larger than the bottom end of the clamping groove, the diameter of the bottom end of the clamping groove, the outer diameter of the rotation stop pin and the outer diameter of the detection head are the same, and the diameter of the top end of the clamping groove is the same as the inner diameter of the communicating pipe. Further, a rotating shaft coaxially fixed with the bottom end of the screw rod is rotatably arranged at the bottom surface of the through groove, a bevel gear I meshed with a bevel gear II is arranged on the outer wall of the rotating shaft, the bevel gear II is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft is fixedly connected with a crank arranged outside the fixing frame. Further, a baffle plate positioned above the bevel gear is fixedly arranged in the through groove, the baffle plate is penetrated by the rotating shaft and is rotationally connected with the rotating shaft, and a T-shaped guide rail which is in sliding connection with the movable seat is fixedly arranged on the top surface of the baffle plate. Further, detect first top and link firmly through the connecting rod with the connecting block, pressure sensor has been set firmly to the connecting block top, the cylinder is installed to the mount top, and the output and the lifter plate of cylinder link firmly, the lifter plate bottom links firmly with pressure sensor, one sid