JP2003213603A - Guide rail joining device for guide track vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide rail joining device for a guide track vehicle capable of preventing looseness of joining, and improving durability of a guide rail. <P>SOLUTION: A pair of upper and lower links 2 and 3 is arranged across a joint between the guide rails 31 on both upper and lower sides of a web 31w. Liners 10 are arranged between an outer side flange 31g and side plate parts 2b and 3b in outer sides of the links 2 and 3. The links 2 and 3 are fixed to the web 31w by a joining bolt 4 contacting side plate parts 2a and 3a of inner sides on an inner side flange 31f and passing through base plate parts 2s and 3s and the web 31w and a nut 5 engaging with the joining bolt 4. It is characterized by that machine bolts 7 passing through the side plate parts 2b and 3b of the links 2 and 3, abutting on the liners 10 and pressing the liners 10 against the flange 31g are adjustably screwed and attached on the side plate parts 2b and 3b of the links 2 and 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide rail connecting device for connecting guide rails for running a guide track vehicle along a track so as to be continuous in the axial direction.

[0002]

2. Description of the Related Art A conventional guide rail connecting device for a guide rail vehicle is disclosed in Japanese Patent Laid-Open No. 2001-49602.

In this guide rail connecting device, a cross section H is formed by integrally connecting an inner flange capable of contacting a guide wheel of a guide rail vehicle and an outer flange facing the flange with a web.
It is for connecting the shaped H-shaped steel guide rails to each other and arranging these guide rails continuously in the axial direction. This guide rail connecting device includes a pair of upper and lower connecting fittings having a bottom plate portion in contact with a web and a pair of inner and outer side plate portions bent vertically from both sides of the bottom plate portion, a connecting bolt and a connecting bolt penetrating the bottom plate portion and the web. And a push bolt that penetrates the outer side plate portion of the upper coupling fitting of both coupling fittings and abuts the outer flange.

In this guide rail connecting device, both connecting metal fittings are arranged on both the upper and lower sides of the web across the joint between the guide rails, and the inner side plate portion of the pair of side plate portions is brought into contact with the inner side flange to connect them. It is formed by fixing both connecting fittings to the web with bolts and nuts that are screwed onto them, and by pushing push bolts to the outer side plate part of the upper connecting fittings of both connecting fittings so that they can move forward and backward. ing.

By the way, the guide rail expands and contracts in the axial direction due to the temperature difference. Therefore, the expansion and contraction of the guide rail is absorbed by the slip of the connecting portion between the guide rails, that is, the slip at the contact portion between the guide rail and the connecting fitting.

On the other hand, since this guide rail connecting device is formed as described above, there are three contact points between the guide rail and the connecting fitting.

(1) Inner flange of the guide rail and side plate portion inside the connecting fitting (2) Web of guide rail and bottom plate portion of the connecting fitting (3) Outer flange of guide rail and push bolt for connecting fitting. .

Therefore, the above (1) and (2) are in contact with each other, and the above (3) is in contact with the outer flange surface of the guide rail and the tip of the push bolt, respectively.
The contact surface pressure of (3) above is very high as compared with the contact surface pressures of (2).

Therefore, when slippage occurs between the outer flange of the guide rail and the push bolt of the connecting fitting, the friction between the outer flange surface and the tip of the push bolt causes the inner surface of the outer flange and the tip of the push bolt to move. It becomes worn, and the connection between the guide rails is easily loosened.

Further, since the guide rail is generally subjected to anticorrosion treatment such as applying anticorrosive paint to the surface thereof, slippage occurs between the outer flange of the guide rail and the push bolt of the connecting fitting. When this occurs, the push bolt peels off the rustproofing treatment on the outer flange, causing rusting.

[0011]

The problem to be solved by the present invention is to provide a guide rail connecting device for a guide rail vehicle which can prevent loosening of the connection and improve the durability of the guide rail.

[0012]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention integrally connects an inner flange, which can be contacted by a guide wheel provided in a guide rail vehicle, and an outer flange facing the flange, with a web. H with a H-shaped cross section
In a guide rail vehicle guide rail connecting device for connecting shaped steel guide rails and arranging these guide rails continuously in the axial direction, the bottom plate portion in contact with the web and both side edges of the bottom plate portion are integrally bent. A pair of upper and lower connecting fittings having a pair of inner and outer side plate portions are arranged on both upper and lower sides of the web across the joint between the guide rails, and a liner is provided outside at least an upper connecting fitting of the two connecting fittings. Is disposed between the side plate portion and the outer flange, and the inner side plate portion of the pair of side plate portions is brought into contact with the inner flange to connect the bottom plate portion and the web with a connecting bolt and screw the screw. The two connecting fittings are fixed to the web by means of a nut, and the connecting plate is penetrated through at least the outer side plate portion of the upper connecting fitting of the connecting fittings. In contact with the liner, and is characterized in that the liner is mounted screwed to be able to advance and retreat the push bolt for pressing the outer flange.

In carrying out the present invention, as in the invention of claim 2, a concave portion into which the tip of the push bolt is inserted is provided on a surface of the liner facing the outer side plate portion, and the bottom surface of the concave portion is provided with the concave portion. The tip of the push bolt should be in contact.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
2 and FIG. 2. FIG. 1A is a schematic cross-sectional view showing a guide rail device using a guide rail connecting device for a guide track vehicle according to an embodiment of the present invention and a guide track vehicle guided by the guide rail device, and FIG. (A) Medium ZZ
It is sectional drawing shown along a line.

The vehicle body 12 on which passengers are loaded is mounted on an axle body 14 forming a part of the bogie 11 via an air spring 13 capable of controlling the internal air pressure according to the amount of the loaded vehicle.

Wheels 16a, 16b are rotatably attached to both ends of an axle 15 passing through the axle body 14, and these wheels 16a, 16b are used for the vehicle body 12 and the bogie 11.
While carrying the entire weight of the vehicle, it travels on a track 17 made of concrete with a specified width.

A steering device 19 is rotatably attached to the front surface of the carriage 11 via a rotary arm 18 by pins 21a and 21b. Further, guide wheels 20a and 20b are rotatably provided at both ends of the steering device 19.

A guide rail device 30 is arranged in parallel along the tracks so that the steering device 19 is sandwiched between the pair of tracks 17. Guide rail device 30
Is a post 32a or 3 which is erected at an appropriate interval.
A plurality of guide rails 31 fixed to 2b are connected by a guide rail connecting device 1.

Each of the guide rails 31 is an H-shaped steel having an H-shaped cross section in which an inner flange 31f capable of contacting the guide wheels 20a and 20b of the guide rail vehicle and an outer flange 31g facing the flange 31f are integrally connected by a web 31w. It is formed by and the surface is treated with rust prevention.
The outer surface of the outer flange 31g of the rail 31 is attached to the post 32a or 32b, and the outer surface of the inner flange 31f near the track 17 is used as a guide surface.

FIG. 2 (A) is a plan view of the guide rail connecting device for a guide rail vehicle seen from above, and FIG. 2 (B) is FIG.
2A is a cross-sectional view taken along line YY in FIG. 2A, and FIG. 2C is a plan view of the liner of the guide rail connecting device for the guide track vehicle as viewed from the inside.

The guide rail connecting device 1 includes a guide rail 31.
The guide rails 31 are connected to each other so that the guide rails 31 are continuously arranged in the axial direction. This guide connecting device 1
A pair of upper and lower connecting fittings 2, 3, a plurality of connecting bolts 4 as fastening means, and nuts 5 respectively screwed into these, a connecting bolt lock nut 6, a plurality of push bolts 7, a push bolt lock nut 8, and a liner 10. And so on.

As shown in FIG. 2B, the connecting fittings 2 and 3 include bottom plate portions 2s and 3s and a pair of inner and outer side plate portions 2a, which are integrally bent from both side edges of the bottom plate portions 2s and 3s, respectively. 2b and side plate portions 3a, 3b are formed so that the end surface shapes thereof are substantially U-shaped or U-shaped. A seat 9a that contacts the web 31w of the guide rail 31 is formed on the bottom plate portions 2s and 3s by finishing, and similarly, the inner side plate portions 2a and 3a have inner seats (non-guide surface) of the inner flange 31f of the guide rail 31. ), Which is in contact with), is formed by finishing.

The web 3 of the guide rail 31 which has been rust-proofed
The connecting bolts 4 for fixing the connecting fittings 2 and 3 to the upper and lower sides of the 1w are passed upward through the bolt through holes (not shown) formed in the bottom plate portions 2s and 3s of the connecting fittings 2 and 3 and the web 31w, respectively. A nut 5 and a lock nut 6 for a connecting bolt are screwed onto the upper part thereof to be tightened.

Further, the side plate portion 2 outside the connecting fittings 2 and 3
b and 3b are formed with a plurality of screw holes (not shown) penetrating the b and 3b in the thickness direction, and a plurality of push bolts 7 are screwed into the screw holes so as to be able to advance and retreat in the axial direction. To be done.

The liner 10 is made of a metal softer than the guide rail 31, and is formed in a single plate shape having an appropriate thickness which can be arranged between the side plate portion 2b or the side plate 3b and the outer flange 31g. The length of the liner 10 (the length in the axial direction) is set to be larger than the interval between the adjacent push bolts 7, and the width thereof is the web 31w and the guide rail 31.
Is set to be smaller than the dimension between the upper end and the lower end.

Further, a push bolt 7 is screwed onto the surface of the liner 10 facing the outer side plate portions 2b and 3b so as to be capable of advancing and retreating in the axial direction thereof.
The recessed portion 10a into which the tip of is inserted is formed by counter boring. As shown in FIG. 2C, the size of the recess 10a is such that the edge of the recess 10a and the push bolt 7 are liner 10.
The diameter is set larger than the diameter of the tip portion of the push bolt 7 so as not to interfere with the expansion and contraction of the push bolt 7.

The liner 10 is arranged between the outer side plate portions 2b, 3b of the connecting fittings 2, 3 and the outer flange 31g with the surface having the recess 10a formed therein facing the outer flange 31g.

The pair of upper and lower connecting fittings 2 and 3 are provided between the outer surfaces of the inner side plate portion 2a and the outer side plate portion 2b so that they can be installed by being fitted in the upper groove portion or the lower groove portion of the guide rail 31. Dimensions and inner side plate 3a and outer side plate 3b
The dimensions between the outer surfaces of the guide rail 31 and the inner surface of the liner 10 (the outer side plate portions 2b, 3
It is set to be smaller than the dimension between b and the facing surface). Further, these connecting fittings 2 and 3 are vertically symmetrical.

Side plate portions 2b, 3b outside the connecting fittings 2, 3
As described above, the push bolt 7 is screwed into each of the plurality of screw holes opened in the axial direction so that the push bolt 7 can move back and forth in the axial direction. Each push bolt 7 has a bolt head whose side plate portion 2a,
2b and between the pair of inner and outer side plate portions 3a, 3b are provided so as to penetrate through the side plate portions 2b, 3b along the horizontal direction, and the tips thereof are the outer side plate portions 2b of the connecting fittings 2, 3. 3b and the outer flange 31g are in contact with the bottom surface (bearing surface) of the recess 10a of the liner 10. A tension force due to this abutment is applied to the connecting fittings 2 and 3 to press the seat 9b of the side plate portions 2a and 3a against the inner surface of the inner flange 31f of the guide rail 31.

As shown in FIG. 2 (A), each push bolt 7
Is preferably provided at a position displaced in the axial direction of the guide rail 31 so as not to interfere with the tightening of the connecting bolt 4 and the nut 5. The lock nut 8 for the push bolt is
It is used to maintain the contact state of each push bolt 7.

Next, a method of connecting the guide rails 31 that are axially adjacent to each other by the guide rail connecting device of this embodiment will be described.

As shown in FIG. 2 (A), for example, the left guide rail 31 serving as a reference is connected to the right guide rail 31 (reference numeral 31 'in FIG. 2 (A) for easy identification). , The push bolt 7 with the lock nut 8 is first screwed into each of the screw holes of the outer side plate portions 2b and 3b of the coupling fittings 2 and 3. Set. In this case, the protruding length of each push bolt 7 from the side plate portions 2b, 3b is shortened so that each push bolt 7 does not prevent the insertion of the connecting fittings 2, 3 into the upper and lower groove portions of the guide rails 31, 31 '. Keep it.

Next, the upper and lower connecting fittings 2 and 3 are individually housed in the upper and lower groove portions of both guide rails 31 and 31 ', and arranged so as to straddle the joint between these guide rails 31 and 31', and then connected. The bolt 4 is passed from the bottom to the top, and the nut 5 and the lock nut 6 are screwed onto the upper portion of the bolt 4 and lightly tightened, and the bottom plate portions 2s of the two coupling fittings 2 and 3 are
The 3s seat 9a is held in contact with the upper and lower surfaces of the web 31w of the guide rails 31 and 31 ', respectively.

In this state, the guide rail 3 on the reference side
Each of the push bolts 7 arranged in No. 1 is rotated so that the projecting dimension from the side plate portion 2b is increased, and the tip thereof is placed on the bottom surface of the recess 10a of the liner 10 arranged on the outer flange 31g surface of the reference guide rail. Contact the liner 10
Is pressed against the outer flange 31g.

With the upper and lower connecting fittings 2 and 3 arranged, the inner flange 31f of the guide rail 31 serving as a reference.
And the inner flange 31f of the guide rail 31 'to be connected
When there is a step between the two side plates 2b and 3b on the outer side of the plurality of push bolts 7 located on the guide rail 31 'side, the projecting dimension of the plurality of push bolts 7 increases. These push bolts 7 are respectively rotated so that the tip ends of the outer flanges 3 of the guide rails 31 'to be connected to each other.
The liner 10 is strongly brought into contact with the concave portion 10a arranged on the inner surface of the 1g surface (the surface on the inner flange 31f side). As a result, the seats 9b of the upper and lower connecting fittings 2 and 3 are connected to the guide rail 31 '.
Modify so that it contacts the inner surface of the inner flange 31f of
After removing the step, the lock nut 8 is used for fixing.
At this time, the reaction force received by the connecting fittings 2 and 3 via the side plate portions 2b and 3b acts in the horizontal direction, and therefore the connecting fittings 2 and 3 are not separated from the web 31w by the force. Finally, the nut 5 is tightened to the specified torque with respect to the connecting bolt 4, and the seat 9a is brought into pressure contact with the webs 31w of the guide rails 31 and 31 '.
Tighten and fix. The connection work is completed by the above procedure.

As described above, the guide rail connecting device for the guide rail vehicle is provided with the web 31w of the guide rail 31.
Bottom plate portions 2s, 3s and a pair of inner and outer side plate portions 2a integrally bent from both side edges of the bottom plate portions 2s, 3s,
The pair of upper and lower connecting fittings 2 and 3 having the 2b and the side plate portions 3a and 3b are arranged on both upper and lower sides of the web 31w across the joint between the guide rails 31 and the liner 10 is
They are arranged between the outer side plate portions 2b, 3b and the outer flange 31g of the two connecting fittings 2, 3, respectively, and the inner side plate portions 2a, 3a are brought into contact with the inner flange 31f to form the bottom plate portions 2s, 3s and the web 1w. Both connecting metal fittings 2 and 3 are fixed to the web 31w by a connecting bolt 4 penetrating and a nut 5 screwed to the connecting bolt 4 and penetrate the outer side plate portions 2b and 3b of both connecting metal fittings 2 and 3 to the liner 10. Since the push bolt 7 that abuts and presses the liner 10 against the outer flange 31g is screwed so as to move forward and backward,
The contact points between the guide rail 31 and the connecting fittings 2 and 3 are connected to (1) the inner flange 31f of the guide rail 31 and the inner side plate portions 2a and 3a of the connecting fittings 2 and 3 (2) the web 31w of the guide rail 31. Bottom plates 2s, 3s of the metal fitting 2 (3) Outer flange 31g of the guide rail 31 and the liner 1
It can be 0. That is, all the contact points between the guide rail 31 and the connecting fitting 2 are in contact with each other at a contact surface pressure lower than the contact surface pressure due to the contact between the points and the surfaces.

Therefore, the guide rail 31 expands and contracts in the axial direction due to the temperature difference, and the guide rail 31 and the connecting fittings 2, 3
Even if there is repeated sliding between the outer flange 31g
It is possible to suppress abrasion of the inner surface of the and the tip of the push bolt 7. Therefore, according to the guide rail connecting device 1 of this embodiment, the looseness of the connection between the guide rails 31 can be prevented.

Further, the guide rail 31 and the connecting fittings 2, 3
Even if slippage occurs repeatedly between the guide rail 31 and the guide rail 31, the guide rail 31 is less likely to be damaged, and the rustproofing treatment on the surface of the guide rail 31 is unlikely to be peeled off. Therefore, according to the guide rail coupling device 1 of this embodiment, the outer flange 31g of the guide rail 31 is
It is possible to prevent rust from being generated and to improve the durability of the guide rail 31.

Further, in this embodiment, a concave portion 10a into which the tip of the push bolt 7 is inserted is provided on the surface of the liner 10 facing the side plate portions 2b and 3b, and the tip of the push bolt 7 is provided on the bottom surface of the concave portion 10a. Since they are brought into contact with each other, the tip of the push bolt 7 can be held so as not to be dislocated from the predetermined position of the liner 10. Therefore, the function of preventing the connection between the guide rails 31 from loosening can be continued.

It should be noted that the present invention is not limited to the above-mentioned embodiment, and for example, the push bolt 7 and the push bolt 7 are provided only in the upper connecting fitting 2 which is easy to work because the working space is opened upward. It is also possible to mount the liner 10 which is pushed by the push bolt 7 for implementation.

[0041]

The present invention is carried out in the form as described above, and has the following effects.

A pair of upper and lower connecting fittings having a bottom plate portion in contact with the web of the guide rail and a pair of inner and outer side plate portions integrally bent from both side edges of the bottom plate portion are provided on both upper and lower sides of the web across the joint between the guide rails. With placement
The liner is disposed between at least the outer side plate portion of the upper and lower connecting metal fittings of the two connecting brackets and the outer flange of the guide rail, and the inner side plate portion of the pair of side plate parts serves as the inner flange of the guide rail. Both connecting fittings are fixed to the web by connecting bolts that come into contact with each other and penetrate the bottom plate and the web, and nuts that are screwed into the connecting bolts, and penetrate the outer side plate part of at least the upper connecting fitting of both connecting fittings. According to the invention in which a push bolt that abuts against the liner and presses the liner against the outer flange is screwed in such a manner that it can be moved forward and backward, all contact points between the guide rail and the coupling fitting have low contact surface pressure. The surfaces are in contact with each other.

Therefore, even if the guide rail expands and contracts in the axial direction and slips repeatedly between the guide rail and the connecting fitting, abrasion of the inner surface of the outer flange and the tip of the push bolt can be suppressed. Therefore, looseness of the connection between the guide rails can be prevented.

Further, even if the guide rail and the connecting fitting are repeatedly slipped, the guide rail is not easily scratched, and the rustproofing treatment on the surface can be made difficult to peel off. Therefore, it is possible to prevent the outer flange of the guide rail from being rusted and improve the durability of the guide rail.

Further, according to the invention, the concave portion into which the tip of the push bolt is inserted is provided on the surface of the liner facing the side plate portion, and the tip of the push bolt is brought into contact with the bottom surface of the concave portion. Is not displaced from the liner's predetermined position,
The function of preventing the looseness of the connection between the guide rails can be maintained.

[Brief description of drawings]

FIG. 1A is a schematic cross-sectional view showing a guide rail device using a guide rail connecting device for a guide track vehicle according to an embodiment of the present invention and a guide track vehicle guided thereby.
FIG. 1B is a cross-sectional view taken along line ZZ in FIG.

FIG. 2A is a plan view of a guide rail connecting device for a guide track vehicle according to one embodiment, as viewed from above. Figure 2 (B) is
FIG. 6A is a cross-sectional view taken along the line Y-Y in FIG. FIG. 6C is a plan view showing a part of a liner of the guide rail connecting device for the guide track vehicle.

[Explanation of symbols]

1 ... Guide rail connecting device 2,3 ... Connecting metal fittings 2a, 3a ... Inner side plate part 2b, 3b ... Outer side plate portion 2s, 3s ... bottom plate 4 ... Connecting bolt 5 ... Nut 7 ... Push bolt 10 ... Liner 10a ... Recess 31 ... Guide rail 31w ... web 31f ... inner flange 31g ... Outer flange

Claims (2)

[Claims] 1. An H-shaped steel guide rail having an H-shaped cross section is connected by integrally connecting an inner flange capable of contacting a guide wheel provided in a guide rail vehicle and an outer flange facing the flange with a web. Then, in a guide rail connecting device for a guide track vehicle in which these guide rails are continuously arranged in the axial direction, a bottom plate portion in contact with the web and a pair of upper and lower side plate portions integrally bent from both side edges of the bottom plate portion A pair of connecting fittings are arranged on the upper and lower sides of the web across the joint between the guide rails, and a liner is provided between the outer side plate portion and the outer flange of at least the upper connecting fitting of the connecting fittings. A connecting bolt that is disposed between the pair of side plate portions and that contacts the inner side plate portion of the pair of side plate portions with the inner flange to penetrate the bottom plate portion and the web. And fixing the both connecting fittings to the web by a nut screwed therewith, penetrating this at least the outer side plate portion of the upper connecting fittings of the connecting fittings and contacting the liner, A guide rail connecting device for a guide track vehicle, wherein a push bolt for pressing the outer flange is screwed and attached so as to be able to move forward and backward. 2. The liner is provided with a recess on the surface thereof facing the outer side plate portion, into which the tip of the push bolt is inserted, and the tip of the push bolt is brought into contact with the bottom surface of the recess. The guide rail connecting device for the guided track vehicle according to claim 1.