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CN-224223878-U - Tool for scribing bolt

CN224223878UCN 224223878 UCN224223878 UCN 224223878UCN-224223878-U

Abstract

The utility model discloses a tool for marking a bolt, which acts on the bolt and comprises a magnetic suction seat and a marking component which are coaxially arranged at the top of the bolt, wherein the marking component consists of a transmission rod which is rotatably arranged at the top of the magnetic suction seat and a marking component which is arranged on the transmission rod and is in abutting contact with the bottom end of the bolt.

Inventors

  • LI QIYU
  • LU BIN
  • XI BIN
  • REN MO
  • ZHANG MINGYI
  • ZHU QINGTAO
  • XU ZONGLI

Assignees

  • 北京京丰燃气发电有限责任公司

Dates

Publication Date
20260512
Application Date
20250605

Claims (6)

  1. 1. A tool for marking a bolt, which acts on a bolt (01), and is characterized by comprising a magnetic attraction seat (1) and a marking component (2) which are arranged at the top of the bolt (01) in a separable and coaxial way; The marking component (2) is composed of a transmission rod (21) rotatably arranged at the top of the magnetic attraction seat (1) and a marking component (22) arranged on the transmission rod (21) and contacted with the bottom end of the bolt (01) in an abutting mode; the transmission rod (21) is used for driving the marking component (22) to rotate by taking the axis of the magnetic attraction seat (1) as the center of a circle, and the actual position is marked by the contact track between the marking component (22) and the bottom of the bolt (01).
  2. 2. A tool for scribing a bolt according to claim 1, wherein said marking means (22) is constituted by a positioning seat (221), a connecting rod (222) and the marking means (22) The positioning seat (221) is arranged on the transmission rod (21) and is matched with the diameter of the bolt (01); the connecting rod (222) is vertically arranged on the positioning seat (221), the marking component (22) is arranged at the bottom of the connecting rod (222), and the marking component (22) and the bottom end of the side wall of the bolt (01) are kept in circumferential fit contact to form a position marking track.
  3. 3. The tool for scribing a bolt according to claim 2, wherein the connecting rod (222) is provided with a guide groove (211) along a length direction thereof, and the positioning seat (221) is slidably provided on the transmission rod (21); A constraint component (3) is arranged in the positioning seat (221), and the constraint component (3) comprises a constraint block (31) and a first screw (32); the constraint block (31) is arranged in the positioning seat (221) in a sliding manner and corresponds to the guide groove (211) in position; The first screw rod (32) is rotatably inserted into the positioning seat (221) and is in threaded connection with the positioning seat, the insertion end of the first screw rod is rotatably connected with the constraint block (31), and the first screw rod (32) is used for driving the constraint block (31) to move towards a direction approaching or far away from the guide groove (211).
  4. 4. The tool for scribing a bolt according to claim 2, wherein the marking assembly (22) includes an abutment table (2231) provided at a bottom of the connecting rod (222) and a marking seat (2232) provided at a bottom of the abutment table (2231); The abutting table (2231) is circumferentially attached to the side wall of the bolt (01), and the bottom surface of the marking seat (2232) and the bottom surface of the bolt (01) are arranged in a coplanar mode, so that staff can mark the marking table conveniently.
  5. 5. The tool for scribing a bolt according to claim 4, wherein the abutment (2231) is vertically slidably fitted over the connecting rod (222); The connecting rod (222) is further provided with a second screw rod (4) in threaded fit with the abutting table (2231), and the second screw rod (4) is used for driving the abutting table (2231) to vertically lift and move.
  6. 6. The tool for scribing a bolt according to claim 2, wherein the magnetic holder (1) is further provided with a recording member (5), and the recording member (5) is composed of a recording table (51) and a recording rod (52); The recording table (51) is coaxially arranged at the top of the magnetic suction seat (1) and is positioned below the connecting rod (222), and angle scale marks are uniformly distributed on the surface of the recording table in the circumferential direction; Also comprises a recording rod (52) which is coaxially and rotatably arranged on the magnetic attraction seat (1) and corresponds to the recording table (51), the recording rod (52) and the recording table (51) form an annular angle measuring system, and visual calibration of the rotation angle of the transmission rod (21) is achieved.

Description

Tool for scribing bolt Technical Field The utility model relates to the technical field of positioning tools, in particular to a tool for marking a bolt. Background The turbine cylinder is one of the core components of the gas turbine, and has the main functions of converting the heat energy and the kinetic energy of high-temperature and high-pressure fuel gas into mechanical energy, and is commonly used in the technical fields of power generation, industrial energy conservation and the like. When the hot-tightening bolt on the turbine cylinder needs to be disassembled, in order to avoid damage to the turbine cylinder, the position of the bolt after hot tightening needs to be marked by scribing firstly, and then the bolt is disassembled according to the mark, but the existing marking method mainly adopts a manual measurement and scribing mode, but the mode lacks a proper scribing tool, so that the scribing precision is poor, and the working efficiency is affected. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide a tool for scribing bolts, which can improve the scribing precision of the positions of the bolts and improve the working efficiency. In order to solve the technical problems, the utility model adopts the following technical proposal that the tool for marking the bolt acts on the bolt and comprises a magnetic attraction seat and a marking part which are arranged at the top of the bolt in a separable and coaxial way; The marking component consists of a transmission rod rotatably arranged at the top of the magnetic attraction seat and a marking component which is arranged on the transmission rod and is in abutting contact with the bottom end of the bolt; The transmission rod is used for driving the marking assembly to rotate by taking the axis of the magnetic attraction seat as the center of a circle, and the actual position is calibrated through the contact track between the marking assembly and the bottom of the bolt. Further, the marking component consists of a positioning seat, a connecting rod and a marking component The positioning seat is arranged on the transmission rod and is matched with the diameter of the bolt; The connecting rod is vertically arranged on the positioning seat, the marking component is arranged at the bottom of the connecting rod, and the marking component and the bottom end of the side wall of the bolt are kept in circumferential fit contact to form a position marking track. Further, a guide groove arranged along the length direction of the connecting rod is formed in the connecting rod, and the positioning seat is arranged on the transmission rod in a sliding manner; The positioning seat is internally provided with a constraint component, and the constraint component comprises a constraint block and a first screw; The constraint block is arranged in the positioning seat in a sliding manner and corresponds to the guide groove in position; The first screw is rotatably inserted on the positioning seat and is in threaded connection with the positioning seat, the insertion end of the first screw is rotatably connected with the constraint block, and the first screw is used for driving the constraint block to move towards the direction close to or far away from the guide groove. Further, the marking assembly comprises an abutting table arranged at the bottom of the connecting rod and a marking seat arranged at the bottom of the abutting table; The abutting platform is circumferentially attached to the side wall of the bolt, and the bottom surface of the marking seat and the bottom surface of the bolt are arranged in a coplanar mode, so that staff can mark the marking seat conveniently. Further, the abutting table is vertically sleeved on the connecting rod in a sliding manner; The connecting rod is further provided with a second screw rod in threaded fit with the abutting table, and the second screw rod is used for driving the abutting table to vertically lift and move. Further, the magnetic attraction seat is also provided with a recording part, and the recording part consists of a recording table and a recording rod; The recording table is coaxially arranged at the top of the magnetic attraction seat and is positioned below the connecting rod, and angle scale marks are uniformly distributed on the surface of the recording table in the circumferential direction; The magnetic attraction seat is coaxially arranged on the magnetic attraction seat, the magnetic attraction seat is provided with a recording rod corresponding to the recording table, the recording rod and the recording table form an annular angle measuring system, and visual calibration of the rotation angle of the transmission rod is realized. The beneficial effects of the utility model are as follows: According to the marking device, the magnetic suction seat is matched with the marking component, the magnetic suction seat is coaxially arranged with the bolt to r