CN106917327B - The railway tongue of track switch and the attachment device of rotational handle - Google Patents

Abstract

The railway tongue and rotational handle attachment device of track switch, the conversion power (the moving left and right the extruding for causing tongue to stock rail of rotational handle) that tongue is reached by rotational handle that tongue generates when converting, and vehicle caused tongue vibration when passing through, it all will act on various bolts, the various nuts on fixed U-shaped metal button member and connecting plate, and cause relaxing and falling off for various nuts, cause to separate between tongue and rotational handle, it is final to cause a possibility that train derailment accident is such it is contemplated that obtaining.Using the attachment device of tongue 1 and rotational handle 2 with aftermentioned feature.That is, in the installation position 5 of tongue 1 and rotational handle 2, the female component 4 that the convex part 3 and corresponding outside interlocking portion 40 formed by spherical zone shape forms is linked together by concave-convex embedded structure.

Description

The railway tongue of track switch and the attachment device of rotational handle

Technical field

The present invention relates to the railway tongues of track switch and the attachment device of rotational handle.

Background technique

Previous switch structure, as shown in figure 12, each end and each tongue R1, R2 of connecting plate a1, a2 pass through bolt and spiral shell Cap is connected and fixed, and rotational handle c is fixed in the other end insertion of connecting plate a1, a2, and side is U-shaped metal button member e1, e2, And fixed by bolt b1 and nut b2, so that tongue R1, R2 and rotational handle c are connected.In this way, such as arrow institute Show, the clutch of tongue R1, R2 and stock rail r1, r2 can be converted by moving left and right rotational handle c.

What tongue generated when converting reach the conversion power of tongue by rotational handle, and (moving left and right for rotational handle causes tongue Extruding to stock rail) and vehicle caused tongue vibration when passing through, all will act on fixed U-shaped metal button member with Aforementioned each bolt b1, each nut b2 on connecting plate, and cause relaxing and falling off for each nut b2, lead to tongue and rotational handle Between separate, it is final to cause a possibility that train derailment accident is such it is contemplated that obtaining.

Summary of the invention

It is an object of the invention to solve rotational handle to reach the conversion power of tongue and when vehicle passes through caused tongue It vibrates and leads to tongue and rotational handle separation problem.

The purpose of the present invention is achieved through the following technical solutions: railway is filled with the tongue of track switch and the connection of rotational handle It sets, the convex part formed in the installation position of tongue and rotational handle by spherical zone shape and corresponding outside interlocking portion The female component of composition is connected tongue and rotational handle by the concave-convex embedded structure of unsuitable pull-off.

Hemispherical aperture being set inside the female component formed by hornblock, which is connected with opening portion, and the opening portion is by two It is grouped as.A part is to be located at aforementioned hornblock side, and the convex part that can concede points band-like is inserted into and the it from falling off the 1st can be prevented to open Oral area.Another part is to make the 2nd opening portion of the aforementioned convex part of opposite firmly by interlocking inside aforementioned hornblock.

Convex part is to be fixed up by connecting plate and tongue, and female component is protrusively provided in rotation hand The end of handle.

Convex part is to be extended continuously out by the pillar upper end for standing on rotational handle end and formed, also, recessed Shape component is by connecting plate and tongue mutually fixed formation.

The invention has the following advantages that the connection because of tongue and rotational handle does not use bolt, nut, by recessed Convex embedded structure realizes, thus by rotational handle reach tongue conversion power and vehicle by when caused tongue vibrate The risk for causing tongue to separate with rotational handle is cleared up, extremely to easily and reliably increase tongue and rotational handle it Between be not easy by the effect of pull-off, to achieve the purpose that prevent train from derailing, and have and extremely can easily and rapidly assemble The advantages of molding.

Detailed description of the invention

The local side figure of pith Fig. 1 of the invention.

Fig. 2 is same as above the partial plan layout of figure.

Fig. 3 saves the whole side view of the invention of middle section.

Fig. 4 saves the exploded perspective view of the invention of some components and middle section.

The explanatory diagram of concave-convex embedded structure Fig. 5 of the invention.

Fig. 6 shows the partial cut-away oblique view of female component internal state of the invention.

Fig. 7 shows the vertical disconnected side view of the pith of version of the invention.

Fig. 8 is same as above the cross-sectional plan for saving some components of figure.

Fig. 9 shows the plan view of the pith of other examples of the invention.

Figure 10 A-A directional profile figure.

Figure 11 is same as above the explanatory diagram of the concave-convex embedded structure of figure.

Figure 12 is with all side views for saving middle section of preceding example.

In figure, 1- tongue, 2- rotational handle, 3- convex part, 4- female component, 4a- hemispherical aperture, the installation position 5-, 31- connecting plate, 36- pillar, interlocking portion on the outside of 40-, the opening portion 41-, the 1st opening portion 41a-, the 2nd opening portion 41b-, 42-angles Block.

Specific embodiment

Previous example is not as shown in figure 4, rotational handle 2 is a whole stick along its length, but by a pair of of stick Component 2a, 2b, by being set to intermediate position, can make between tongue generate mutually insulated signal component, with bolt and spiral shell The combination stick that cap etc. connects.Because the present invention is unrelated with component part above-mentioned, therefore dispense explanation related to this And diagram.

" spherical zone shape " this term of the present invention.The term can both have been represented as shown in Fig. 1,2,4,5, by link block 32 The entire spherical zone for extending to the convex part 3 at its outer rim can also be represented as shown in Fig. 7,8,9,10, the outer rim of convex part 3 The most of spherical zone or proper part spherical zone, corresponding part that place is formed after vertically being cut off are hemispherical Hole 4a.

The present invention, as shown in Fig. 1,4, the face inwardly in face 33 and tongue 1 outwardly passes through rectangular 31 phase of connecting plate It connects, and the perforation 35,35 by being located at connecting plate or so and corresponding bolt and nut are fixedly connected integral by tongue 1.Together When, it is arranged in vertical link block 32 inwardly in the central part of connecting plate 31, and in the direction inwardly of the link block 32 End setting spherical zone shape convex part 3.

On the other hand, the hornblock 42 positioned at 2 both ends of rotational handle and the convex part with opening portion 41 4,4 pass through welding It is connected.Meanwhile being equipped with the elongated slip 21 tightened by bolt at the both ends of rotational handle 2 is for preventing tongue 1 upward Component when rebound, it is unrelated to the invention, illustrate to omit.

As shown in figure 5, opening portion 41 is processed in hornblock 42 related with female component 4, when the level of the opening portion When side is reversed as state downward, it can entangle the convex part 3 under upright state is whole and is embedded in, and at horizontal position The 1st opening portion 41a for preventing aforementioned convex part from falling off is added, and the convex part under the upright state in hornblock 42 can be made 3 by interlocking without by the 2nd opening portion 41b of pull-off.Also, as shown in fig. 6, dig out hemispherical aperture 4a inside hornblock 42, The surface contact portion of the hole wall and convex part 3 inside it can be considered as the outside interlocking portion 40 of convex part 3.

Secondly, being illustrated to construction from part of the invention.First connecting plate 31 and tongue are connected and fixed with bolt and nut, Then as shown in Fig. 5 (1), rotational handle 2 is stood vertically, internal the 1st for arc 41c (shown in such as Fig. 5 (3)) is opened Oral area 41a downward so that various female components 4 decline along the arrow direction (イ), until as shown in Fig. 5 (2) by upright state Convex part 3 it is whole entangle and it allowed to be inserted into, be then turned back to by the arrow direction (ロ) of (2) Fig. 5 namely by right angle orientation The convex part 3 as shown in Fig. 5 (3) by hemispherical aperture 4a from outside be embedded in, and by the 2nd opening portion 41b interlocking convex part 3 with Prevent it by pull-off.Moreover, as shown in figure 3, the 1st opening portion 41a can prevent falling off for convex part 3.It is transported as revolution above-mentioned It is dynamic, as shown in fig. 6, can sleekly be carried out in the hemispherical aperture 4a that female component 4 is arranged.

Fig. 7, Fig. 8 are aforementioned version of the invention.The end edge in aforementioned convex part 3 direction outwardly is cut to hang down Straight shape, and other component is all constant and symbol having the same, detailed description are omitted herein.

The example illustrated first has the characteristics that mosaic is good, and version then then has the advantage of low cost.

Fig. 9 to Figure 11 is other examples of the invention, i.e., the end edge in direction is cut to the convex of somewhat spherical zone shape outwardly Shape component 3 is exchanged with female component 4 and is assembled at opposite position.Convex part 3 after end is cut is straight by connection The pillar 36 of 2 end of rotational handle is stood on, to form outside be extended continuously.Also, female component 4 then passes through connecting plate 31 It is fixed with 1 phase of tongue.

The chimeric assembling of this bumps is as shown in figure 11, and female component 4 is first fixed on connecting plate 31 and passes through connecting plate 31 and bolt, nut and tongue be connected and fixed (diagram as in the previous example, omit).It then, will as shown in Figure 11 (1) to Figure 11 (2) The rotational handle 2 of horizontality is rotated to plumbness, and the convex part 3 under horizontality is inserted into female component 4 1st opening portion 41a, then, rotational handle 2 return back to the horizontal position as shown in Figure 11 (3), so that convex part 3 and spill Component 4 forms the connection of unsuitable pull-off.

Claims (3)

1. the railway tongue of track switch and the attachment device of rotational handle, it is characterised in that: in the installation of tongue and rotational handle Position, the convex part formed by spherical zone shape and corresponding outside interlocking portion form the chimeric knot of bumps of unsuitable pull-off Structure connects tongue and rotational handle, and hemispherical aperture is arranged inside the female component formed by hornblock, the hole and opening Portion is connected, which consists of two parts, and a part is the convex part insertion that can concede points band-like positioned at aforementioned hornblock side And the 1st opening portion that can prevent it from falling off, another part are to make the aforementioned convex part of opposite embedding in aforementioned hornblock The 2nd opening portion lockked.

2. the railway according to claim 1 tongue of track switch and the attachment device of rotational handle, it is characterised in that: convex Component is to be fixed up by connecting plate and tongue, and female component is protrusively provided in the end of rotational handle.

3. the railway according to claim 1 tongue of track switch and the attachment device of rotational handle, it is characterised in that: convex Component is to be extended continuously out by the pillar upper end for standing on rotational handle end and formed, also, female component is to pass through Connecting plate is mutually fixed and formation with tongue.