JPH0731901U - Locking fitting for wire spring clip for rail elastic fastening - Google Patents

Abstract

(57) [Summary] [Purpose] To enable the use of existing rigid fastening plates without the use of dedicated plates for elastically fastening railway rails. [Structure] A lower end protrusion 5 that engages with a locking recess 4 provided on a plate 3 is formed, and a standing portion 6 is protruded upward from this lower end protrusion 5 and one end of a wire spring clip 7 is inserted. A locking portion 8 for doing so is provided on the upper end of the rising portion 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a metal fitting for attaching a wire spring clip for elastically fastening a rail for a railway.

[0002]

[Prior art]

 In the conventional elastic fastening structure for railway branch devices, a spring pedestal dedicated to the wire spring clip or an inverted U-shaped wire spring clip locking metal fitting is integrally formed by welding on the branch tie plate or floor plate. Has been done. The wire spring clip is attached to the spring pedestal or wire spring clip locking fitting, and elastically presses the rail against the branch tie plate or floor plate through the rail brace or washer and the lock washer.

Most rail fastening structures currently used in railroad turnouts are rigid fastenings, and bolts are attached to a plate laid between a railroad tie and a sleeper such as a floor tie plate or a rail. A locking recess for the head is formed.The locking recess for the bolt head is a concave arc when the bolt head is a convex arc and a bolt head is a strip. On the other hand, it is formed in a T-shaped hole having a locking step.

Then, the bolt head is locked in the locking recess and the bolt is erected and tightened with a nut via a rail brace or washer to fasten the rail to the branch tie plate or floor plate.

[0005]

[Problems to be solved by the device]

 In the conventional elastic fastening structure, the spring pedestal dedicated to the wire spring clip or the wire spring clip locking metal fitting is integrally formed by welding on the branch tie plate or the floor plate. Branch tie plates and floorboards cannot be used. Therefore, all branch tie plates and floor boards must be replaced, which is uneconomical.

[0006]

[Means for Solving the Problems]

 This invention eliminates the above-mentioned inconvenience, that is, a lower end projection that engages with a locking recess provided in a plate laid between the sleeper and the rail, and an upward projection on the lower end projection. It is characterized in that it comprises a standing portion and a locking portion for fitting one end of a wire spring clip provided on the upper end of the standing portion.

[0007]

[Action]

 The lower end projection is engaged with the recessed portion for locking to erect the upright portion, and one end of the wire spring clip is fitted into the engaging portion above the rail brace or washer and the lock washer provided on the upright portion. , The middle and the other end of the wire spring clip are brought into contact with a locking washer to elastically press the rail against a plate such as a branch tie plate or a floor plate.

[0008]

【Example】

 Each of the embodiments of the present invention is used in a rail elastic fastening structure of a railway turnout device, and FIGS. 1 to 4 show a usage state of a first embodiment of the present invention. In the figure, reference numeral 3 is a plate such as a branch tie plate or a floor plate that is laid between the sleeper 1 and the rail 2, and is also used for rigidly fastening the conventional rail. The engaging recess 4 of the concave arc body and the square hole serving as the insertion hole 9 of the bolt shaft communicate with each other to engage the parts.

The first embodiment has a convex arcuate lower end projection 5 for engaging with the locking concave portion 4 of the concave arcuate body. A round bar serving as the shaped portion 23 is integrally formed so as to project upward, and a circular tube 80 is provided on the upper end of the rising portion 6 as a locking portion 8 for inserting one end of the wire spring clip 7. The square portion 23 is fitted in the insertion hole 9 and serves as a rotation stopper in the insertion hole 9 of the upright portion 6.

More specifically, as shown in FIG. 3, a circular pipe 82 screwed with a female screw 81 is protruded from the lower surface of the circular pipe 80, and a male screw 60 and a male screw 60 screwed to the upper end of the standing portion 6 are screwed. I'm wearing it.

Next, the usage of the first embodiment will be described. With the locking portion 8 removed from the upright portion 6, the upright portion 6 is inserted from the lower surface of the plate 3 into the locking recess 4 and the insertion hole 9. And the lower end projection 5 is placed in the locking recess 4, and the plate 3 is fixed to the sleeper 1 with the dog nail 22 or the like. Reference numerals 2 and 13 are a basic rail and a tongue rail, which are arranged on the plate 3, respectively. After the upright portion 6 is erected, a known rail brace 10 having a through hole 14 is externally inserted into the upright portion 6, the lower end protruding portion 20 is fitted into the groove 15, and the arm portion 21 is attached to the abdominal portion of the rail 2. 16, abutting against the bottom portion 17, and subsequently, a well-known lock washer 12 having a through hole 18 is externally inserted into the upright portion 6 and overlapped with the rail brace 10. In addition, wavy teeth (not shown) are formed on the facing surfaces of the rail brace 10 and a washer 11 and a locking washer 12 which will be described later, and they engage with each other.

After that, the locking portion 8 is screwed to the upper end of the upright portion 6, one end of a known wire spring clip 7 is fitted into the locking portion 8, and the middle and the other end thereof are attached to the locking washer 12. The rail 2 is elastically contacted and elastically presses the rail 2 against a plate 3 such as a branch tie plate or a floor plate through a rail breath 10. By the attachment of the wire spring clip 7, the lower end projection 5 is slightly pulled up and is completely engaged with the locking recess 4.

5 to 7 show a usage state and a plate to be used in a second embodiment of the present invention, which is the same as the first embodiment in principle, and the common points are denoted by the same reference numerals. The description will be omitted and only the differences will be described.

In the case of the conventional branch tie plate for rigidly fastening the rail or the plate 3 such as the floor plate in which the second embodiment is used, the locking recess 4 is engaged in order to engage the bolt head made of the strip. It is a T-shaped hole having a stop portion 19. Therefore, the lower end projection 5 of the second embodiment is also an elongated piece that engages with the locking step 19 of the locking recess 4, and a round bar whose lower end is a square part 23 from the lower end projection 5 The upright portion 6 is integrally projected, and the locking portion 8 formed of the circular tube 80 is integrally provided on the upper end of the upright portion 6 by welding. The square portion 23 is a rotation stopper in the locking recess 4 of the upright portion 6.

Unlike the first embodiment, this second embodiment can be mounted after fixing the plate 3 to the sleeper 1 and stacking the rail breath 10 or the washer 11 and the lock washer 12 on the plate 3. is there. That is, the lock washer 12 and the washer 11 or the rail brace 10 and the lower end projection 5 from above the plate 3 are passed through the through holes 14 and 18, and as shown by the one-dot chain line in FIG. 4 is fitted into the head portion 40, and then the rear lower end projection 5 is moved in the direction of the arrow, and the lower end projection 5 is placed below the locking step portion 19. In the subsequent work, the engaging portion 8 had to be screwed to the upright portion 6 in the first embodiment, whereas the engaging portion 8 is integrated with the upright portion 6 in the second embodiment. So you don't need that. Note that FIG. 5 shows a case where a well-known washer 11 is used instead of the rail breath 10. Therefore, the rail 2 is fastened to the plate 3 via the washer 11 by the elastic pressure of the wire spring clip 7. The lower end projection 5 is slightly pulled up by the attachment of the wire spring clip 7 and is completely engaged with the locking step 19.

Although the first embodiment uses the rail brace 10 and the second embodiment uses the washer 11, the washer 11 is used in the first embodiment and the rail brace is used in the second embodiment. Needless to say, 10 can be used, and the length of the standing portion 6 may be set according to the thickness of the rail brace 10, the washer 11, and the lock washer 12 to be used.

The third embodiment shown in FIGS. 8 to 10 is a modification of the second embodiment, and the portions common to the second embodiment are designated by the same reference numerals and the description thereof will be omitted and the differences will be described. In the third embodiment, the upper end of the upright portion 6 of the round bar is bent to integrally form the engaging portion 8 made of the annular ring 83, and one end of the engaging portion 8 is welded to the upper end of the upright portion 6. It is what

Therefore, one end of the wire spring clip 7 penetrates through the annular locking portion 8 and is locked. In addition, in the first to third embodiments, all members are made of steel, and in the specification of the present application, integrally means not only integral molding but also fixing such as welding.

[0019]

[Effect of device]

 Since this invention is separate from the plate, and the lower end projection is formed so as to engage with the locking recess of the plate, it is possible to use the wire spring clip for elastic fastening without replacing the plate. The existing branch tie plates for rigid fastening and plates such as floorboards can be used as they are, which has a great practical effect and is economically extremely advantageous.

[Brief description of drawings]

FIG. 1 is a plan view showing a usage state of a first embodiment of the present invention.

FIG. 2 is an enlarged AA sectional view of the above.

FIG. 3 is an enlarged front view showing a part of a use state in which a part of the first embodiment is cut away.

FIG. 4 is a cross-sectional plan view illustrating a rotation stopper of the upright portion of the above.

FIG. 5 is a sectional view showing a usage state of a second embodiment of the present invention.

FIG. 6 is an enlarged front view showing a part of a usage state in which a part of the second embodiment is cut away.

FIG. 7 is a partial plan view of a plate used in the second and third embodiments of the present invention.

FIG. 8 is an enlarged side view showing a part of the usage state of the third embodiment of the present invention.

FIG. 9 is a front view in which a part of the same is cut away.

FIG. 10 is a cross-sectional view taken along the line BB without the plate and sleepers.

[Explanation of symbols]

 1 sleeper 2 rail 3 plate 4 locking recess 5 lower end projection 6 upright 7 wire spring clip 8 locking 19 locking step 80 circular tube 83 circular ring

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenzo Fujisawa 2-8, Hikarimachi, Kokubunji, Tokyo 38 Inside the National Railway Technical Research Institute (72) Takaaki Irie 380 Yoshimi, Otsu-ku, Himeji-shi, Hyogo Yamato (72) Inventor Shoichi Senba 3-24-10 Nishikubo, Musashino City, Tokyo (72) Inventor Satoshi Sakamori 677 Aramachi, Daimon-cho, Imizu-gun, Toyama Prefecture

Claims (10)

[Scope of utility model registration request] 1. A lower end protrusion that engages with a locking recess provided in a plate laid between the sleeper and the rail, an upright portion protruding upward from the lower end protrusion, and the upright portion of the upright portion. A locking metal fitting for a rail spring clip for elastic rail fastening, comprising: a locking portion for fitting one end of the wire spring clip provided at the upper end. 2. The locking metal fitting for the rail elastic fastening wire spring clip according to claim 1, wherein the plate is a branched tie plate. 3. The locking metal fitting for the rail elastic fastening wire spring clip according to claim 1, wherein the plate is a floor plate. 4. The locking metal fitting for a wire spring clip for elastic rail fastening according to claim 1, wherein the locking recess is a concave arcuate body and the lower end projection is a convex arcuate body. 5. The rail elastic fastening wire according to claim 1, wherein the engaging recess is a T-shaped hole having an engaging step, and the lower end protrusion is an elongated piece engaged with the engaging step. Metal fittings for spring clips. 6. The locking metal fitting for a wire spring clip for elastic rail fastening according to claim 1, wherein the upright portion is a round bar, and the locking portion is a circular pipe. 7. The locking metal fitting for a wire spring clip for elastic rail fastening according to claim 1, wherein the upright portion is a round bar, and the locking portion is a ring. 8. An upright portion of a round bar is integrally projected from a lower end projection of a convex arcuate body engaging with a locking concave portion of the concave arcuate surface, and a circular pipe locking portion is provided at an upper end of the upright portion. The locking metal fitting for the wire spring clip for elastic fastening of rails according to claim 1, which is screwed. 9. An upright portion of a round bar is inserted from a lower end projection of an elongated piece which is inserted from above into a locking recess formed of a T-shaped hole having a locking step, and which is engaged by the locking step. The locking metal fitting of the wire spring clip for rail elastic fastening according to claim 1, wherein the locking fitting of the circular pipe is integrally provided so as to project from the upper end of the upright portion. 10. An upright portion of a round bar is inserted from a lower end protrusion of an elongated piece which is inserted into an engaging recess formed of a T-shaped hole having an engaging step from above and which is engaged by the engaging step. 2. The locking metal fitting for a wire spring clip for rail elastic fastening according to claim 1, wherein the locking metal fitting is formed integrally with the round bar, and a locking portion formed of an annular ring is integrally formed from an upper end of the rising portion of the round bar.