JPH0211801U - - Google Patents

Description

[Brief explanation of drawings]

The figures show the elastic fastening device of the present invention. Fig. 1 is a plan view of a rail fastened to a rail support such as a sleeper, Fig. 2 is a longitudinal sectional view thereof, and Fig. 3 is a side view thereof. , FIG. 4 is a detailed view of the embedded material to be buried in the rail support portion of the sleeper. Figures 5 and 6
7 and 7 are a plan view, a vertical sectional view, and a side view when an L-shaped hook bolt is used in the above-mentioned fastening device, and FIG. 8 is a detailed view of the L-shaped hook bolt. 9, 10, and 11 are a plan view and a vertical cross-sectional view of a coating bolt made of spring steel embedded in the fastening device, and FIG. 12 is a detailed view of the coating bolt. 1...Rail support for sleepers, 1a...Lower part of embedded material, 1b...Upper part of embedded material, 2...Rail, 3
...Track pad, 4...Rail holding tool, 4a...
Rail contact surface steel plate, 4b...Elastic material, 5...Wire spring type coil spring, 6...Tightening bolt, 6a...Bolt bottom, 6b...Bolt head cylinder, 6c...Tapered nail, 7...Nut .

Claims (1)

[Scope of claim for utility model registration] (1) Long in the sleeper length direction from the top surface to the bottom surface of the rail support such as concrete sleepers;
A track pad is used between the top surface of the rail support, which has a convex through-hole in the bottom surface, and the bottom surface of the rail, and an elastic material such as synthetic resin is applied to the rail holding part at the tip of the rail holding tool, and the rail contact surface steel plate is used. Elastic fastening is characterized by elastically fastening the rails using resin-coated fastening bolts through a rail holding device integrated by adhesive between the rails and wire spring type coil springs whose circumferences are gradually larger than the upper circumference. Device. (2) In the elastic fastening device according to claim (1), an inverted T-shaped fastening bolt in which the entire circumference of the fastening bolt except for the threaded portion is coated with resin is provided with a convex-shaped embedded material inside the rail support. It has a through hole embedded with
An elastic fastening device is fitted to the convex recess on the lower surface of the embedded material to fasten the rail presser. (3) The elastic fastening device according to claim (1) includes an L-shaped hook bolt in which the entire circumference of the fastening bolt except for the threaded portion is coated with resin, and a convex-shaped embedded material is embedded inside the rail support. An elastic fastening device that has a through hole and fastens a rail holding tool by engaging an L-shaped bolt in the convex depression on the lower surface of the embedded material. (4) In the elastic fastening device according to claim (1), the circumference of the lower part of the spring steel fastening bolt is reduced, and the reduced part has several cutout gaps along the length of the bolt, so that the bolt head is The center of the bolt has an empty cylinder up to the notch in the center, and a tapered nail with a circular tip is inserted into this empty cylinder, and the entire circumference of the fastening bolt, excluding the threaded part, is coated with resin. An elastic fastening device that fastens a rail holding tool using a fastening bolt with a resin film coated on the upper surface of the coating.