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CN-121994104-A - Screw pitch measuring device for propeller

CN121994104ACN 121994104 ACN121994104 ACN 121994104ACN-121994104-A

Abstract

The invention relates to the technical field of propeller detection, in particular to a propeller pitch measuring device, which comprises an operation table, wherein a bearing plate is fixed at the top end of the operation table, rectangular grooves are formed at four ends of the top end in the bearing plate, arc clamping plates are connected to the inner sides of the rectangular grooves in a sliding manner, and the number of the rectangular grooves and the number of the arc clamping plates are four; according to the invention, the four arc clamping plates are driven by the positioning mechanism to clamp and limit the propeller, so that the positioning mechanism effectively fixes and positions the propeller, the U-shaped adjusting rod, the starting plate and the final plate are driven by the sliding seat to range the propeller, when the sliding seat drives the U-shaped adjusting rod, the starting plate and the final plate to slide to be right above the propeller, at the moment, one side of the sliding starting plate to be a starting point, and the other side of the adjusting final plate to be a final point of the propeller is regulated, so that the distance between the starting point and the final point effectively ranges the propeller.

Inventors

  • ZHANG JINHUI
  • XU HAIXIN
  • XU FEI

Assignees

  • 中船澄西船舶修造有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (10)

  1. 1. Screw pitch device is surveyed to screw, a serial communication port, including operation panel (1), the top of operation panel (1) is fixed with bearing plate (5), rectangular channel (9) have all been seted up at the four ends on the inside top of bearing plate (5), the inboard sliding connection of rectangular channel (9) has arc splint (10), rectangular channel (9) and arc splint (10) are four, the bottom of bearing plate (5) is provided with the positioning mechanism that is used for driving four arc splint (10) to the screw, the equal sliding connection in both ends on operation panel (1) top has slide (2), the inboard top sliding connection of slide (2) has U type regulation pole (3), the one end sliding connection in the outside of U type regulation pole (3) has initial board (7), the other end sliding connection in the outside of initial board (7) has final board (8).
  2. 2. The propeller pitch measuring device according to claim 1, wherein the positioning mechanism comprises a linkage rod (11), a transmission disc (12) and a servo motor (13), the bottom end of the bearing plate (5) is rotationally connected with the transmission disc (12), four ends on the outer side of the transmission disc (12) are rotationally connected with the linkage rod (11), one end, far away from the transmission disc (12), of the linkage rod (11) is rotationally connected with the arc-shaped clamping plate (10) respectively, the top end of the operating table (1) is arranged under the transmission disc (12) and is provided with the servo motor (13), and the output end of the servo motor (13) is fixed with the transmission disc (12).
  3. 3. A propeller pitch measuring device according to claim 2, wherein the ends of the four arc-shaped clamping plates (10) which are adjacent to each other are each fixed with a non-slip mat.
  4. 4. A propeller pitch measuring device according to claim 3, characterized in that the bearing plate (5) is provided with a placement pad at the top end between four arc-shaped clamping plates (10).
  5. 5. The propeller pitch measuring device according to claim 2, wherein both ends of the top end of the operating platform (1) are respectively fixed with a U-shaped guide rod (4), and the outer side of the U-shaped guide rod (4) is in sliding connection with the sliding seat (2).
  6. 6. The propeller pitch measuring device according to claim 2, wherein a guide groove is formed in one end of one side of the sliding seat (2), an L-shaped block (19) is slidably connected to the inner side of the guide groove, one side of the L-shaped block (19) is fixedly connected with the bottom end of the outer side of the U-shaped adjusting rod (3), a plug pin (20) is slidably connected to one end of the inner side of the L-shaped block (19), a plurality of limiting holes (21) are formed in the other end of one side of the sliding seat (2), and one end of the plug pin (20) penetrates through the L-shaped block (19) and is slidably connected with the corresponding limiting hole (21).
  7. 7. The propeller pitch measuring device according to claim 6, wherein a spring (22) is mounted on the inner side of the slide (2), the top end of the spring (22) is fixed to the U-shaped adjusting rod (3), and the bottom end of the spring (22) is fixed to the slide (2).
  8. 8. The propeller pitch measuring device according to claim 6, wherein one end of the starting plate (7) is fixed with a graduated scale (6), the graduated scale (6) is located right above the U-shaped adjusting rod (3), the outer side of the graduated scale (6) is in sliding connection with the end plate (8), and a second observation window (18) is formed in the end plate (8).
  9. 9. The propeller pitch measuring device according to claim 8, wherein an angle pointer (14) is rotatably connected to the bottom end of the end plate (8) and one end far away from the U-shaped adjusting rod (3), an angle ruler (15) is mounted on the outer side of the angle pointer (14), and the outer side of the angle ruler (15) is slidably connected with the end plate (8).
  10. 10. The propeller pitch measuring device according to claim 9, wherein an observation window (16) is formed at one end of the inside of the end plate (8), a measuring needle (17) is fixed at the inner side of the observation window (16), and the outer side of the angle gauge (15) is slidably connected with the measuring needle (17).

Description

Screw pitch measuring device for propeller Technical Field The invention relates to the technical field of propeller detection, in particular to a propeller pitch measuring device. Background The screw propeller is used as a key component in the fields of ships, aviation and the like, and the pitch parameter directly influences the power performance and the running efficiency. Accurate measurement of the pitch of a propeller is important to ensuring normal operation and performance optimization of equipment, the propeller is hung on a rotating platform of a boring and milling machine, a small head of a propeller hub is placed upwards, a blade is corrected by a small head plane and a small head inner hole, a laser range finder is installed on a boring bar, and the pitch of the blade can be measured after the blade is corrected. When the technology is used, the technical problems that when the screw propeller is clamped and fastened, the screw propeller is difficult to adapt to screw propellers of different sizes and shapes, the screw propeller is not stable enough to fix, and can shake easily in the measuring process, so that the measuring precision is affected are found, meanwhile, in the aspects of measuring the distance and the angle between a screw bolt and a propeller, the measuring tape, the manual scale and other traditional modes adopted in the prior art are used for measuring the distance, the traditional distance measuring mode is complex to operate, the measuring efficiency is low, the accuracy of the measuring result is still to be improved, and therefore, the screw propeller pitch measuring device is designed and is used for providing another technical scheme for the technical problems. Disclosure of Invention The invention aims to provide a propeller pitch measuring device for solving the problems in the background art. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a screw pitch device is surveyed to screw, includes the operation panel, the top of operation panel is fixed with the bearing plate, rectangular channel has all been seted up to the four ends on the inside top of bearing plate, the inboard sliding connection in rectangular channel has arc splint, rectangular channel and arc splint are four, the bottom of bearing plate is provided with and is used for driving four arc splint and carries out spacing positioning mechanism to the screw, the equal sliding connection in both ends on operation panel top has the slide, the inboard top sliding connection of slide has the U type to adjust the pole, the one end sliding connection in the U type adjusts the pole outside has the starter, the other end sliding connection in the starter outside has the terminal board. The positioning mechanism comprises a linkage rod, a transmission disc and a servo motor, the bottom end of the bearing plate is rotationally connected with the transmission disc, four ends of the outer side of the transmission disc are rotationally connected with the linkage rod, one end of the linkage rod, which is far away from the transmission disc, is rotationally connected with the arc-shaped clamping plate respectively, the top end of the operating platform is just positioned under the transmission disc and is provided with the servo motor, and the output end of the servo motor is fixed with the transmission disc. Wherein, four the arc splint one end that is close to each other all is fixed with the slipmat. Wherein, the bearing plate top just is located between four arc splint and is equipped with the pad of placing. The two ends of the top end of the operating platform are respectively fixed with a U-shaped guide rod, and the outer sides of the U-shaped guide rods are in sliding connection with the sliding seat. The guide groove is formed in one end of one side of the sliding seat, the L-shaped block is connected to the inner side of the guide groove in a sliding mode, one side of the L-shaped block is fixed to the bottom end of the outer side of the U-shaped adjusting rod in a sliding mode, a bolt is connected to one end of the inner side of the L-shaped block in a sliding mode, a plurality of limiting holes are formed in the other end of one side of the sliding seat, and one end of the bolt penetrates through the L-shaped block and is in sliding connection with the corresponding limiting hole. The inner side of the sliding seat is provided with a spring, the top end of the spring is fixed with the U-shaped adjusting rod, and the bottom end of the spring is fixed with the sliding seat. The utility model discloses a display device, including initial board, U type regulation pole, initial board, scale, display device, wherein, the one end of initial board is fixed with the scale, the scale is located the U type regulation pole directly over, the outside and the final board sliding connection of scale, the inside observation window second of seting up of