JPS61179901A - Chain lock metal fittings for point - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a point locking fitting used to ensure the integrity of points during railway construction.

(Prior art) Conventionally, switches were installed and inserted in switching operations associated with track expansion or yard improvement work, and point 1- was locked until the work was completed and the line could be used normally. However, due to the speeding up of trains in recent years, the congestion of schedules, and the weight of power vehicles, the conventional method of nailing has been changed to locking or extremely simple metal fittings. For the time being, it was difficult to determine if the samurai would be able to protect the dust as a measure.

(Problems to be Solved by the Invention) The present invention overcomes these drawbacks and provides a solid structure, strong fastening, and no natural or artificial loosening (preventing accidents). The purpose is to be easy to handle and to shorten the time required for installation.

(Means for Solving the Problems) The present invention comprises a rail holding fitting for gripping and pressing a tongue rail, and a rail pressing fitting for gripping a basic rail and pressing the tongue rail against the basic rail. , the rail holding fixture includes a gripping tool at one end of the support plate, an insertion part for inserting the base of the tongue rail between the support plate and the gripping tool, and a tongs at the tip of the gripping tool. It has a structure in which each bolt support piece is provided with a bolt hole bored on both sides of the support plate to form a rail contact surface, and the rail pressing fitting has one end into which the base of the basic rail is inserted. In addition to providing an insertion section for inserting the rail retainer, it also has a bolt support piece with bolt holes drilled on both sides, and one support plate insertion hole at both ends, making it easy to insert the rail holding bracket. Insert the base of the tongue rail into the insertion part of the rail holding fitting, insert the base of the basic rail into the insertion part of the rail holding fitting, and insert the tip of the support plate of the rail holding fitting into the support temporary insertion hole of the rail holding fitting. By connecting the two with bolts, the structure is solid and the connection is strong.Tong rail support pieces are provided on both sides of the upper part of the grip of the rail holding fitting, and bolts are inserted perpendicularly to each tongue rail support piece. Drill holes in each hole, fit a special locking lid that covers the tongue rail support piece from the top of the gripper, and fit a special locking lid that covers the bolt support piece of the rail pressing metal fitting from the top of the rail pressing metal fitting. By combining the parts, natural relaxation and artificial relaxation will not occur, preventing accidents, making handling easy, and shortening the installation time.

(Example) The present invention will be explained based on figures of embodiments.

As shown in FIG. 1, the point locking fitting 1 according to the embodiment (3) of the present invention has a gripping tool 4 facing upward at one end of a substantially rectangular parallelepiped support plate 3, and the support plate 3 and the gripping tool 4 are connected to each other. An insertion part 1 having a substantially key-shaped cross section into which the base part tr of the tongue rail TR is inserted between.
7 and the above-mentioned gripping tool 4 which is not connected to the support plate 3.
A flat tongue rail abutment surface 5, which is slightly larger than the tip surface, is provided on the tip surface of the support plate 3, bolts 6 and 7 are provided on both sides of the support plate 3, and bolts 6 and 7 are provided on each bolt support piece 6 and 7 in a horizontal direction. A rail holding fitting 2 is provided with bolt holes 8 and 9, respectively, and an insertion portion 18 having a U-shaped cross section for inserting the base portion r of the basic rail R is provided at one end, and both side portions are provided. A bolt support piece 13 and a bolt support piece 14 are attached to the lower corner of the back of 12 cases.
, and horizontally drill bolt holes 15 and 16 in each of the bolt support pieces 13 and 14, respectively, and insert the support plate insertion hole 11 into the lower end of the rail pressing fitting 10 so as to pass through both ends. It is drilled slightly upwards. The point locking metal fitting 1 of this embodiment is formed by connecting the rail holding metal fitting 2 and the rail pressing metal fitting 10 with a pin I-B. When using the point locking fitting 71 of this embodiment, as shown in FIG. Insert the base part tr of the gripper 4, and
It is positioned so that the tongue rail contact surface 5 at the tip comes into contact with the side surface of the tongue rail contact surface. Then, the tip of the substantially rectangular parallelepiped support plate 3 of the rail presser metal fitting 2 is inserted into the support plate insertion hole 11 of the rail presser metal fitting IO having the insertion portion 18 having a U-shaped cross section, and the rail presser metal fitting Insert the base part r of the basic rail R on the side that does not come in contact with the insertion iron I8, which has a U-shaped cross section. Then, the hole 8 of the rail holding fitting 2 and the hole 8 of the rail holding fitting 1
0 bolt γLI5 and rail holding fitting 2 bolt hole 9
The bolts I3 are inserted into the bolt holes 16 of the rail pressing fittings IO and the two are connected. At this time, it is assumed that the bolt hole 8 and the bolt hole 15 and the bolt hole 9 and the bolt hole 16 are on a straight line, respectively.

As shown in FIGS. 3 and 4, in the point locking fitting 1 of Example 2 of the present invention, the same components as in Example I are given the same reference numerals, and only the different parts will be explained.

The point locking fitting l of Example H is the rail holding fitting 2.
A flat locking protrusion 20 having a locking hole 19 in the center is provided on the upper surface of the gripping tool 4, and tongue rail support pieces 21 are installed on both sides of the upper part of the gripping tool 4.
Bolt holes 23 are perpendicularly drilled in each of 1 and a flat locking protrusion 26 having a locking hole 25 in the center is provided on the upper surface of the rail pressing fitting IO having an insertion portion 18 having a U-shaped cross section. It is what it is. When using the point lock fitting 1 of this embodiment, as in Example I, insert the tongue rail TR in contact with the basic rail R into the insertion portion 17 of the gripping tool 4 of the rail holding fitting 2, which has a substantially key-shaped cross section. The base portion tr is inserted and positioned so that the tongue rail contact surface 5 at the tip of the gripping tool 4 contacts the side surface of the tongue rail TR. A rail pressing fitting 1o having an insertion portion 18 having a U-shaped cross section
Insert the tip of the substantially rectangular parallelepiped support plate 3 of the rail presser fitting 2 into the support plate insertion hole 11, and make sure that the tongue rail TR does not come into contact with the insertion portion 18 of the rail presser fitting 10, which has a U-shaped cross section. Insert the base part r of the side basic rail R. Then, bolts B are inserted into the bolt holes 8 of the rail holding fitting 2, the bolt holes 15 of the rail pressing fitting 10, the bolt holes 9 of the rail holding fitting 2, and the bolt holes 16 of the rail pressing fitting 10 to connect both. . In addition, in order to make the connection more complete, and to prevent natural loosening due to vibration of Pole I-B or artificial loosening due to mischief, malicious intent, etc., a locking hole 28 is provided in the center of the rectangular flat plate portion 29. 3;
Side plates 30 perpendicular to the flat plate part 29 from both sides in the j direction, 3
1 are provided on the same side, and a side plate 33 is provided on one side in the horizontal direction of the flat plate part 29, which is perpendicular to the flat plate part 29, and has a support plate fitting hole 32 so that the support plate 3 of the rail holding fitting 2 protrudes. 30
, use the special lock M27 provided on the same side as 31. Although it has the same shape as the dedicated locking lid 27, it has a locking hole 35 in the vertical direction in the center of the rectangular flat plate part 34, so that the gripping tool 4 of the rail holding metal fitting 2 protrudes, although not shown. A special UM38 with a gripper fitting hole is used.

When using the point locking fitting I of this embodiment, the base part tr of the tongue rail TR must be tightened depending on the type of basic rail R.
To press the top surface of each tongue rail support piece 21
Bolts C are screwed into each of the bolt holes 23, respectively.

In addition, in order to hide the heads of these two bolts C, the locking hole 35 of the dedicated locking lid 38 is fitted onto the locking protrusion 26 provided on the upper surface of the gripping piece 4 of the rail holding fitting 2, and the locking protrusion 26 The lock hole 25 is locked.

In this case, the special lock M38 shall have a size that covers the heads of the two bolts C. Further, the locking hole 28 of the dedicated lock M27 is fitted onto the locking protrusion 2o on the upper surface of the rail pressing fitting 10, and the locking hole 19 of the locking protrusion 20 is locked. In this case, the dedicated locking lid 27 has two ports L-B.
The size shall be large enough to cover the head of the person.

In Embodiment 1, H, the insertion part 17 of the base part tr of the tongue rail TR of the rail holding fitting 2 and the insertion part 18 of the base part r of the basic rail R of the rail pressing fitting 10 each have a unique shape. The reason for the provision is to make the tightening by the bolt B even stronger.

(Effect of the invention) According to the 111 point lock fitting according to the present invention, since it has a solid structure, the fastening is strong and it is durable.
It is very convenient because it can prevent natural and artificial loosening, cover the bolt head, look good, be easy to handle, and shorten the time required for installation.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the embodiment (2) according to the present invention, FIG. 2 is a front view thereof, FIG. 3 is a perspective view of the embodiment (2), and FIG. 4 is a front view thereof. (Explanation of codes for main parts) ■...Point locking fitting 2...Rail holding fitting 3...Support plate 4...Gripping tool 5...Abutting surface 6.7...Bolt Support piece 8.9...Bolt hole IO...Rail pressing fitting 11...Support plate insertion hole 13.14...Bolt support piece 15.16...Bolt hole 21.22...Tong Rail support piece 23, 24...Bolt hole B...Bolt Figure 1 Figure 2 Procedural amendment March 7, 1985 (To the Chief Examiner of the Patent Office) (To the Examiner of the Patent Office) 1. Indication filed in 1985 1 Application No. 19725 2 Title of the invention Boinoto III locking metal fitting 3 Relationship to the person making the amendment 1 license holder 4 Agent 1 Page 7 of the specification 17 Line ``...same sign...''
4-02, Douai@1
Delete "4" in front of "Koto" on the 14th line of page 1. 3. Insert 4 before "0 drawing" on the same page @ line 15. 4. Correct "(Explanation of the sign of the main part)" in the first line of Dogo No. 12 Wataru to "(Explanation of the sign of the main part)". that's all

Claims (3)

[Claims] (1) Consisting of a rail holding fitting for gripping and holding the tongue rail, and a rail pressing fitting for holding the basic rail and pressing the tongue rail against the basic rail, the rail holding fitting is one end of the support plate. A gripping tool is provided at the support plate, an insertion part is provided for inserting the base of the tongue rail between the support plate and the gripping tool, and a tongue rail abutting surface is formed at the tip of the gripping tool, so that the support plate is approximately It has a structure in which bolt support pieces each having a bolt hole are provided on both sides of the center. It has a structure in which each bolt support piece has a bolt hole drilled in it, and the support plate insertion holes are passed through both ends.The base of the tongue rail is inserted into the insertion part of the rail holding fitting, and the rail For points, insert the base of the basic rail into the insertion part of the pusher, insert the tip of the support plate of the rail presser into the support plate insertion hole of the rail pusher, and connect the two with bolts. Locking hardware. (2) A point lock according to claim 1, wherein tongue rail support pieces are provided on both sides of the upper part of the gripping tool of the rail holding fitting, and bolt holes are perpendicularly drilled in each tongue rail support piece. Metal fittings. (3) A patent claim in which a dedicated locking lid that covers the tongue rail support piece is fitted from above the gripper, and a dedicated locking lid that covers the bolt support piece of the rail pressing metal fitting is fitted from the top of the rail pressing metal fitting. A locking fitting for points described in item 2 of the scope.