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CN-122007774-A - Quick welding positioning tool for reinforcement cage in civil air defense door leaf

CN122007774ACN 122007774 ACN122007774 ACN 122007774ACN-122007774-A

Abstract

The invention discloses a rapid welding positioning tool for an inner steel reinforcement framework of a civil air defense door leaf, and belongs to the technical field of welding. The lifting assembly comprises a lifting frame, a second threaded rod is connected to the lifting frame in a threaded mode, a plurality of guide pipes are arranged on the lifting frame, threaded pipes are arranged on the guide pipes, an adjusting head is connected to the threaded pipes in a threaded mode, a limiting mechanism is rotatably arranged on the adjusting head, the plurality of adjusting assemblies comprise lifting rods, two groups of arc-shaped rods are rotatably arranged on the lifting rods, and fixing blocks are arranged on two sides of each arc-shaped rod. According to the invention, the preliminary bearing and positioning of the steel bars can be completed through locking the free ends of the two arc-shaped rods pre-tensioned by the torsion springs, and all the steel bars subjected to pre-positioning are driven to synchronously and integrally lift through the cooperation of the adjusting component and the lifting component, so that all the steel bars of the whole layer can be precisely pressed or propped to the design position of the inner groove of the door leaf frame of the civil air defense at one time, the displacement of the steel bars is limited, the risk of displacement is avoided in the welding process, and the operation difficulty of steel bar alignment and welding is greatly reduced.

Inventors

  • Fan Quantao
  • FAN ZHAOCHENG
  • HU HAIBIN
  • ZHANG KUN
  • NIU BEIBEI

Assignees

  • 金鑫科技集团有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (8)

  1. 1. A rapid welding positioning tool for an inner reinforcement cage of a civil air defense door leaf is characterized by comprising a plurality of clamping assemblies (1) clamped at the periphery of a door leaf frame (3); the lifting assemblies (2) comprise lifting frames (21) which are slidably arranged on the clamping assemblies (1), second threaded rods (22) are connected to the lifting frames (21) in a threaded mode, the second threaded rods (22) are rotationally connected with the clamping assemblies (1), a plurality of guide pipes (23) are arranged on the lifting frames (21), threaded pipes (24) are arranged on the guide pipes (23), adjusting heads (25) are connected to the threaded pipes (24) in a threaded mode, and limiting mechanisms are rotationally arranged on the adjusting heads (25); the adjusting assemblies (4) comprise a plurality of lifting rods (43) which are in sliding connection with the guide pipes (23), two groups of arc rods (5) are rotatably arranged on the lifting rods (43), and fixing blocks (51) are arranged on two sides of each arc rod (5); The steel bar (7) is arranged between the two groups of arc rods (5), the adjusting head (25) is rotated, the limiting mechanism is driven to be inserted between the two fixing blocks (51), the free ends of the two groups of arc rods (5) are locked, the lifting assembly (2) drives the arc rods (5) to lift, and the steel bar (7) is fixed in the inner groove of the door leaf frame (3).
  2. 2. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf according to claim 1, wherein the adjusting assembly (4) further comprises a connecting frame (41), a third threaded rod (42) is connected to the connecting frame (41) in a threaded mode, the third threaded rod (42) is connected with the lifting frame (21) in a rotating mode, the lifting rod (43) is installed on the connecting frame (41), and the limiting mechanism is connected with the lifting rod (43) in a sliding mode.
  3. 3. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf according to claim 1 is characterized in that a plurality of guide pipes (23) are distributed at equal intervals, and threaded pipes (24) are coaxial with the guide pipes (23).
  4. 4. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf according to claim 1 is characterized in that a plurality of lifting rods (43) are coaxial with the guide pipe (23) and correspond to the guide pipe (23), the lifting rods (43) are connected with the guide pipe (23) in a sliding mode, and the lifting rods (43) penetrate through the guide pipe (23) and the threaded pipe (24).
  5. 5. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf is characterized in that a torsion spring (6) is arranged at the connecting shaft of the arc-shaped rod (5).
  6. 6. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf is characterized in that an inclined plane (52) is arranged on the inner side of the arc-shaped rod (5).
  7. 7. The rapid welding and positioning tool for the steel reinforcement cage in the civil air defense door leaf according to any one of claims 1 to 6 is characterized in that the limiting mechanism comprises a connecting ring (26) rotatably installed on the adjusting head (25), a guide frame (27) is installed on the connecting ring (26), and a limiting block (28) is installed on the guide frame (27).
  8. 8. The rapid welding positioning tool for the steel reinforcement cage in the civil air defense door leaf according to any one of claims 1 to 6 is characterized in that the clamping assembly (1) comprises a fixing frame (11), a bottom plate (12) is arranged on the fixing frame (11), a plurality of clamping plates (13) are slidably arranged on the fixing frame (11), a first threaded rod (14) is connected to the clamping plates (13) in a threaded mode, and the first threaded rod (14) is connected with the fixing frame (11) in a rotating mode.

Description

Quick welding positioning tool for reinforcement cage in civil air defense door leaf Technical Field The invention relates to the technical field of welding, in particular to a rapid welding positioning tool for a reinforcement cage in a civil air defense door leaf. Background The civil air defense door leaf is a core protection component of the civil air defense engineering, and needs to have extremely high structural strength and impact resistance to meet the war protection requirement, so that the inside of the civil air defense door leaf is provided with a reinforcement cage as a stressed support structure, and the arrangement precision and welding quality of the reinforcement cage directly determine the overall protection performance of the civil air defense door leaf. When the existing civil air defense door leaf reinforcement cage is welded, a positioning mode of grooving the positioning plate is generally adopted, namely a plurality of positioning plates provided with fixing grooves are welded on the side part of a civil air defense door leaf frame to be processed in advance, reinforcement bars are placed into corresponding fixing grooves one by one to align with preset positions, and then subsequent welding operation is carried out. The locating plate in the locating mode needs to be welded on the door leaf frame in advance, the locating plate needs to be cut and removed after welding is finished, welding marks on the door leaf frame are polished, the disassembly and assembly processes are complex, the fixing groove is of an open structure, only one-side bearing can be achieved after the steel bars are placed in the groove, the steel bars are easy to shift and deviate due to welding vibration and external touch in the welding process, operators are required to repeatedly adjust the positions of the steel bars, the welding operation difficulty is greatly improved, and finally the steel bar arrangement precision is difficult to guarantee. In view of the above, a quick welding positioning tool for an inner reinforcement cage of a civil air defense door leaf is provided. Disclosure of Invention The invention aims to provide a rapid welding positioning tool for an inner reinforcement cage of a civil air defense door leaf, which is used for solving the technical problems of high positioning and welding difficulty of the inner reinforcement of the civil air defense door leaf frame. The embodiment of the invention provides a rapid welding positioning tool for an inner reinforcement cage of a civil air defense door leaf, which comprises a plurality of clamping components clamped at the periphery of a door leaf frame; The lifting assemblies comprise lifting frames which are slidably arranged on the clamping assemblies, the lifting frames are in threaded connection with second threaded rods, the second threaded rods are in rotary connection with the clamping assemblies, the lifting frames are provided with a plurality of guide pipes, the guide pipes are provided with threaded pipes, the threaded pipes are in threaded connection with adjusting heads, and the adjusting heads are rotatably provided with limiting mechanisms; the adjusting assemblies comprise a plurality of lifting rods which are in sliding connection with the guide pipes, two groups of arc-shaped rods are rotatably arranged on the lifting rods, and fixing blocks are arranged on two sides of each arc-shaped rod; the steel bars are arranged between the two groups of arc-shaped rods, the adjusting head is rotated to drive the limiting mechanism to be inserted between the two fixed blocks, so that the free ends of the two groups of arc-shaped rods are locked, and the lifting assembly drives the arc-shaped rods to lift, so that the steel bars are fixed in the inner groove of the door leaf frame. As the further description of the technical scheme, the adjusting component further comprises a connecting frame, a third threaded rod is connected to the connecting frame in a threaded mode, the third threaded rod is connected with the lifting frame in a rotating mode, the lifting rod is arranged on the connecting frame, and the limiting mechanism is connected with the lifting rod in a sliding mode. As a further description of the above technical solution, a plurality of guide tubes are distributed at equal intervals, and the threaded tube is coaxial with the guide tube. As a further description of the above technical solution, a plurality of lifting rods are coaxial with the guide tube and are in position correspondence, the lifting rods are slidably connected with the guide tube, and the lifting rods pass through the guide tube and the threaded tube. As a further description of the above technical solution, a torsion spring is disposed at the connecting shaft of the arc-shaped rod. As a further description of the above technical solution, the inner side of the arc-shaped rod is provided with an inclined plane. As further description of the technical scheme,