一种桥梁钢筋穿装导向保护装置

Abstract

本申请涉及桥梁施工设备技术领域，尤其涉及一种桥梁钢筋穿装导向保护装置，包括导向套管和夹持组件，导向套管包括平滑管和锥形罩，平滑管的设置方向与横向钢筋的设置方向垂直，锥形罩较大端与平滑管其中一端连通；夹持组件包括固定环、夹持件和多个第一调节件，固定环同轴连接于平滑管远离锥形罩一端，夹持件包括至少两个夹持圆弧板，两个夹持圆弧板沿固定环周向均匀分布于固定环内，两个夹持圆弧板的开口朝向平滑管轴线一侧，两个夹持圆弧板形成将纵向钢筋固定的夹持区，第一调节件与夹持圆弧板一一对应，第一调节件与夹持圆弧板连接以驱动夹持圆弧板朝远离平滑管轴线一侧运动；本申请具有有利于适应不同直径的钢筋穿过的效果。

Claims

1. A bridge reinforcement bar threading guide protection device, the reinforcement bar laid in the width direction of the bridge is a transverse reinforcement bar, and the reinforcement bar laid in the length direction of the bridge is a longitudinal reinforcement bar, characterized in that: It includes a guide sleeve (1) and a clamping assembly (2). The guide sleeve (1) includes a smooth tube (11) and a conical cover (12). The smooth tube (11) is arranged in a direction perpendicular to the direction of the transverse reinforcement. The larger end of the conical cover (12) is connected to one end of the smooth tube (11). The clamping assembly (2) includes a fixing ring (21), a clamping member (22), and a plurality of first adjusting members (23). The fixing ring (21) is coaxially connected to the end of the smooth tube (11) away from the conical cover (12). The outer wall of the fixing ring (21) is flush with the outer wall of the smooth tube (11). The clamping member (22) includes at least two clamping arc plates (221). The two clamping arc plates (221) are evenly distributed around the fixing ring (21) in the circumference of the fixing ring (21). The opening of the clamping arc plate (221) faces the axis of the smooth tube (11). The two clamping arc plates (221) form a clamping area to fix the longitudinal steel bar. The first adjusting member (23) corresponds to the clamping arc plate (221) one by one. The first adjusting member (23) is connected to the fixing ring (21). The first adjusting member (23) is connected to the clamping arc plate (221) to drive the clamping arc plate (221) to move away from the axis of the smooth tube (11).

2. The bridge reinforcing bar threading guide protection device according to claim 1, characterized in that: The first adjusting member (23) includes a fixing rod (231), a first insert rod (232), and a fixing source (234). The fixing rod (231) extends from the fixing ring (21) to the clamping arc plate (221) along one of the diameters of the fixing ring (21). One end of the fixing rod (231) is connected to the inner wall of the fixing ring (21), and the other end is hollow. One end of the first insert rod (232) is inserted into the hollow end of the fixing rod (231). The first insert rod (232) is coaxial with the fixing rod (231) and is elastically slidably connected to the fixing rod (231) along the axis of the fixing rod (231). The fixing source (234) is connected to the fixing rod (231) and is used to fix the fixing rod (231) and the first insert rod (232).

3. The bridge reinforcing bar threading guide protection device according to claim 2, characterized in that: The clamping arc plate (221) is inclined on the side away from the inside of the smooth tube (11), and the inclined surface is inclined from the smooth tube (11) to the fixing ring (21) towards the side away from the axis of the smooth tube (11).

4. The bridge reinforcing bar threading guide protection device according to claim 2, characterized in that: The number of clamping arc plates (221) is four; The bridge rebar insertion guide protection device also includes a sliding component (3), which includes a second adjusting component (31) and multiple connecting components (33). The second adjusting component (31) is located inside the smooth tube (11). The second adjusting component (31) includes four arc plates (311). The four arc plates (311) form a cylinder for the rebar to pass through. The cylinder is coaxially arranged with the smooth tube (11). The cylinder is slidably connected to the smooth tube (11) along the axial direction of the smooth tube (11). The connecting component (33) corresponds one-to-one with the clamping arc plate (221). The connecting component (33) includes a telescopic rod (331). The setting direction of the telescopic rod (331) is consistent with the axial direction of the smooth tube (11). One end of the telescopic rod (331) is connected to the clamping arc plate (221), and the other end is connected to the arc plate (311).

5. The bridge reinforcing bar threading guide protection device according to claim 4, characterized in that: The sliding assembly (3) further includes multiple sliding elements (32), each corresponding to a circular arc plate (311). Each sliding element (32) includes a sliding seat (321), a sliding rod (322), a second insert rod (323), and a sliding screw (325). The smooth tube (11) has four sliding grooves (111) inside. The sliding grooves (111) are opened along the axial direction of the smooth tube (11) and are evenly distributed around the circumference of the smooth tube (11). Each sliding groove (111) corresponds to a circular arc plate (311), and each sliding seat (321) corresponds to a sliding groove (111). The groove wall of (111) is fitted, the sliding seat (321) slides in the groove (111) along the length direction of the groove (111), the sliding rod (322) is arranged along the axis perpendicular to the smooth tube (11), one end of the sliding rod (322) is connected to the sliding seat (321), and the other end is hollow. The second insert rod (323) is coaxially inserted into the hollow end of the sliding rod (322), and the second insert rod (323) is elastically slidably connected to the sliding rod (322) along the axis direction of the sliding rod (322). The sliding screw (325) passes through the smooth tube (11) to connect the sliding seat (321) and the smooth tube (11).

6. A bridge reinforcement bar threading guide protection device according to claim 5, characterized in that: The smooth tube (11) has multiple threaded holes (112), which are divided into four groups. Each group of threaded holes (112) corresponds one-to-one with the slide groove (111). Each group contains two threaded holes (112), which are distributed along the length of the slide groove (111). One of the threaded holes (112) is located at the end of the smooth tube (11) near the conical cover (12), and the other threaded hole (112) is located at the end of the smooth tube (11) near the fixing ring (21). The sliding screw (325) can pass through the threaded hole (112).

7. The bridge reinforcing bar threading guide protection device according to claim 5, characterized in that: The connector (33) also includes a telescopic spring (332), which is sleeved on the periphery of the telescopic rod (331). One end of the telescopic spring (332) is connected to the clamping arc plate (221), and the other end is connected to the arc plate (311).

8. The bridge reinforcing bar threading guide protection device according to claim 4, characterized in that: The second adjusting member (31) also includes a limiting spring (312). A limiting groove (3111) is opened on the side of the arc plate (311) away from the cylinder axis. The limiting groove (3111) is opened along the arc direction of the arc plate (311). The limiting grooves (3111) of two adjacent arc plates (311) are connected. The four limiting grooves (3111) form a limiting ring groove. The limiting spring (312) is located in the limiting ring groove. At least two contact positions of the limiting spring (312) and the arc plate (311) are connected to each other.

9. The bridge reinforcing bar threading guide protection device according to claim 1, characterized in that: The smaller end of the conical cover (12) has a circular arc profile.

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