一种滚轴式防胀轨距拉杆

Abstract

本实用新型公开了一种滚轴式防胀轨距拉杆，包括左拉杆、绝缘杆、右拉杆、螺母、滑座、限位杆和滚轴，左拉杆、绝缘杆和右拉杆依次连接，滑座滑动安装在左拉杆上，两个螺母螺纹安装在左拉杆上，且两个螺母分别抵紧滑座的两端，滚轴转动安装在右拉杆上，两个限位杆对称安装在右拉杆上，且两个限位杆位于滚轴的两侧。该轨距拉杆在防止铁轨外胀保持轨距的同时，还简化了结构，只保留一头的可调节轨距的结构，用于控制两个钢轨之间的距离，另一头固定设置不存在可调节轨距的结构，并借助滚轴极大减少了铺轨时钢轨的摩擦力，极大方便钢轨的移动。

Claims

1. A rolling anti-creep gage rod characterized by: The device includes a left pull rod (1), an insulating rod (2), a right pull rod (3), a nut (4), a slide block (5), a limiting rod (6), and a roller (7). The left pull rod (1), the insulating rod (2), and the right pull rod (3) are connected in sequence. The slide block (5) is slidably mounted on the left pull rod (1). The two nuts (4) are threaded onto the left pull rod (1) and are respectively pressed against the two ends of the slide block (5). The roller (7) is rotatably mounted on the right pull rod (3). The two limiting rods (6) are symmetrically mounted on the right pull rod (3) and are located on both sides of the roller (7).

2. The rolling axle anti-racking gage rod of claim 1, wherein: The left pull rod (1) is a threaded rod.

3. The rolling axle anti-racking gage rod of claim 1, wherein: The slide (5) consists of two symmetrically arranged locking plates (51).

4. The rolling axle anti-racking gage rod of claim 1, wherein: The roller (7) is an injection-molded sleeve.

5. The rolling axle anti-racking gage rod of claim 1, wherein: A bearing (8) is provided between the roller (7) and the right pull rod (3).

6. The rolling axle anti-racking gage rod of claim 1, wherein: The right pull rod (3) is provided with a support seat (9) that is adapted to the roller (7).

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