JP5543296B2 - Fasteners for concrete sleepers - Google Patents

Description

  The present invention relates to a fastener for concrete sleepers of articles such as a buckling prevention plate and a rail moving roller used at the time of rail replacement arranged around a concrete sleeper of a railroad rail.

  When an article (equipment) such as a rail buckling prevention plate is installed around a concrete sleeper, it may be assembled to the sleeper to stabilize the installation. A concrete sleeper is sandwiched between the contact piece provided on the buckling prevention plate and the buckling prevention plate and a separate fixing material, and the clamping state is held by tightening the buckling prevention plate and the fixing material with bolts and nuts. Thus, there is a structure in which the buckling prevention plate is fixed to a concrete sleeper (for example, Patent Document 1).

JP-A-9-78506

  In the conventional example, the buckling prevention plate itself, which is an article (equipment) to be installed around the sleeper, is provided with a fixing means for the sleeper. Of course, it is not a structure that can be applied to wear.

  The present invention can be attached to a concrete sleeper regardless of an article (equipment) to be installed around the sleeper for a specific purpose of use, and the article can be attached to the sleeper indirectly so that the versatile We propose an article fastener for concrete sleepers.

  A fastening base frame provided with a support plate for attaching and supporting an article such as a buckling prevention plate is provided with a pair of substantially L-shaped holding frames composed of a horizontal piece and a vertical piece, and the intersection of the two pieces. Is pivotally mounted in a swingable manner on the horizontal axis, and is provided relative to the concrete sleeper with an engagement gap, and a screw hole is provided vertically in the horizontal piece of the holding frame. The operation bolt, whose tip is pressed against the concrete sleeper, is placed on the concrete sleeper through the piece of the base frame, and the tip of the vertical piece of the holding frame is connected to the piece with the piece. It is set as the structure which provided the latching | locking part piece latched on the lower surface of a concrete sleeper in the shape of bending.

  According to the present invention, when the operating screw is operated, the holding frame is swung so that the engaging piece at the tip of the vertical piece is disposed at a position facing the lower surface of the concrete sleeper. With the base frame piece pressed against the top surface of the concrete sleeper by screw operation, the concrete sleeper can be clamped in the vertical (height) direction and securely fastened to the sleeper. By attaching to the support plate, it is attached indirectly to the concrete sleeper, so that it is possible to provide a versatile fastening device that can be applied to attachment of various articles.

The partial missing front view which shows the state adhering to a concrete sleeper. Xx sectional view taken on the line of FIG. The partial missing front view which shows the state before assembling | attaching to a concrete sleeper. The side view which shows one use condition. The side view which shows another use condition.

  The drawings show an embodiment of an article fastener for a concrete sleeper according to the present invention, and an article fastener A is constructed by assembling a fastening base frame 1 and a pair of clamping frames 2 to each other. .

  The fastening base frame 1 has a rectangular front plate 3 and a rear plate 4 arranged in a pair of upper intermediate plates 5 and 5 arranged at both longitudinal end positions and a central portion between the upper intermediate plates 5 and 5. It is constructed by connecting (welding) to each other via the lower intermediate plate 6 and is made of a metal frame having a window 7 with the upper surface as a frame, and the longitudinal direction of the front and rear plates 3, 4. Support holes 9 and 9 'for receiving and supporting the support shaft 8 are provided at the upper ends of both ends, and the support hole 9 on the front plate 3 side is a screw hole, and the front plate 3 portion between the support holes 9 and 9' Are a pair of screw holes 10A, 10'A, 10C, and a pair of screw holes 10B, 10'B and a pair of screw holes 10B, 10'B. 10'C is arranged in parallel symmetrically.

  In addition, the front plate 3 of the embodiment forms a “support plate” in the “claims” by including the screw holes 10A and the like. Further, the number and arrangement of the screw holes (screw holes) 10A and the like provided in the front plate 3 (support plate) may be freely selected. For example, a dovetail groove is provided in the front plate 3 and the dovetail groove is provided. The article may be slid and fitted to the front plate 3 (support plate) and supported. Accordingly, the means for attaching the article is not limited to the screw hole 10A and the like, and may be freely selected.

  The pair of sandwiching frames 2 and 2 includes a horizontal piece 11 and a vertical piece 12 and has a depth width slightly narrower than the width 7x between the front and rear plates 3 and 4 of the fastening base frame 1. The shaft portion 13 is formed of a substantially L-shaped metal frame, and the shaft hole 13 through which the support shaft 8 is inserted is provided at the intersecting portion 2x of the horizontal piece 11 and the vertical piece 12, and the fastening base frame of the horizontal piece 11 is provided. 1 is provided with a vertical screw hole 14 at the front end overlapping the lower intermediate plate 6 in the vertical direction, and the front end (lower end) of the vertical piece 12 is bent to form a locking piece. 15 is provided. Incidentally, the fastening base frame 1 and the clamping frame 2 are made of steel.

  Then, the holding frame 2 is combined in the gap 7x between the front plate 3 and the rear plate 4 of the fastening base frame 1 so as to be inserted in the vertical piece 12 and the shaft hole 13 of the holding frame 2 is combined. And the support holes 9 and 9 ′ on the fixing base frame 1 side are made to coincide with each other, the support shaft 8 made of a bolt is penetrated from one support hole 9 ′ side, and the tip of the support shaft 8 protruding from the shaft hole 13 is inserted. Then, one clamping frame 2 is attached to the fastening base frame 1 by screwing and tightening to the other support hole 9 ′ (configured by a screw hole), and the other clamping frame 2 is similarly attached to the other supporting frame 9 ′. A pair of sandwiching frames 2 is assembled symmetrically to the fastening base frame 1 by attaching the sandwiching frame 2 to the fastening base frame 1 with the engagement gap a of the concrete sleepers m to the sandwiching frame 2. By obtaining the state and screwing the operation bolt 16 into the screw hole 14 of each holding frame 2 through the window 6, Obtain a fastening device A. That is, a pair of substantially L-shaped sandwiching frames 2, 2 composed of a lateral piece 11 and a longitudinal piece 12 are attached to the fastening base frame 1 at the intersection 2x of the two pieces 11, 12. The article fastening device A according to the embodiment (configured by the support shaft 8) configured so as to pivot freely and relative to each other can be obtained.

  Then, when the operation bolt 16 is turned, the operation bolt 16 is screwed into the screw hole 14, so that the operation bolt 16 moves forward (lowers) along the screw hole 14, and the tip thereof is the lower mediation of the fastening base frame 1. When the forward movement is restricted in contact with the plate 6 (corresponding to “a piece of the base frame” in the “claims”) and the turning operation is continued in this restricted state, the operation bolt 16 is connected to the lower intermediate plate 6. Since it is only in the contact position and rotates, the screw hole 14 into which the operation bolt 16 is screwed rises along the operation bolt 16 (the screw). As a result, the screw hole 14 is provided. The holding frame 2 swings around the support shaft 8, and the locking piece 15 provided at the tip of the vertical piece 12 of the holding frame 2 is moved to a position facing the lower surface of the concrete sleeper m, and finally The concrete sleeper m is sandwiched between the locking piece 15 and the lower mediating plate 6 to fasten the article. A will be fixed to the sleepers m.

  Each of the holding frames 2 and 2 is operated at the same time or different time by operating the corresponding operation bolt 16 so that the locking piece 15 of the sleeper m is locked, and the pair of holding frames 2 and 2 and the base frame 1 Is fastened to the sleeper m in such a manner as to hold the sleeper m.

  As shown by the two-dot chain lines in FIGS. 1 and 2, the shape of the inner edge of each holding frame 2 is approximated to the outer periphery of the concrete sleeper m, or a part of the inner edge is not the sleeper m. When the outer peripheral edge is brought into contact, the fastening device is firmly fastened by the sleepers m.

  In this fastened state, the screw holes 10A, 10′A, 10B, 10′B, 10C, 10 provided in the front plate 3 (“support plate” in the “claims”) of the fastened base frame 1 are provided. A buckling prevention plate is obtained by screwing a mounting bolt b through an assembly plate B1 of a buckling prevention plate B (FIG. 4) or a mounting plate R1 of a rail moving roller R (FIG. 5) to an appropriate one of 'C. B etc. are fixed to the concrete sleepers m and installed on the road bed.

  It should be noted that the attachment means for the article (the buckling prevention plate B and the rail moving roller are shown in the figure) to the fastening base frame 1 is free, and as described above, it is necessary to use the screw hole 10A or the like as in the embodiment. There is no.

  The present invention is advantageous in that a fastening tool is fastened to a rail, an article is attached to the fastening tool, and the article can be attached to the rail via the fastening tool. In the figure, 20 is a lifting hook.

DESCRIPTION OF SYMBOLS 1 Fastening base frame 2 Clamping frame 3 Front plate 11 of fastening base frame Horizontal piece 12 Vertical piece 14 Screw hole 15 Locking piece 16 Operation bolt a Engagement gap m Concrete sleeper

Claims (1)

  A fastening base frame provided with a support plate for attaching and supporting an article such as a buckling prevention plate is provided with a pair of substantially L-shaped holding frames composed of a horizontal piece and a vertical piece, and the intersection of the two pieces. Is pivotally mounted in a swingable manner on the horizontal axis, and is provided relative to the concrete sleeper with an engagement gap, and a screw hole is provided vertically in the horizontal piece of the holding frame. The operation bolt, whose tip is pressed against the concrete sleeper, is placed on the concrete sleeper through the piece of the base frame, and the tip of the vertical piece of the holding frame is connected to the piece with the piece. An article fastening device for a concrete sleeper, in which a locking piece that is locked to the lower surface of the concrete sleeper is bent.

Images