CA1156874A - Cabin for cable-car - Google Patents
Cabin for cable-carInfo
- Publication number
- CA1156874A CA1156874A CA000327251A CA327251A CA1156874A CA 1156874 A CA1156874 A CA 1156874A CA 000327251 A CA000327251 A CA 000327251A CA 327251 A CA327251 A CA 327251A CA 1156874 A CA1156874 A CA 1156874A
- Authority
- CA
- Canada
- Prior art keywords
- frame members
- tubular frame
- roof
- frame member
- lateral wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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Abstract
ABSTRACT OF THE DISCLOSURE
A cabin for a cable-car comprises a floor, two lateral walls facing each other, one of which is provided with a door opening, two end walls, and a roof. All of these panels are detachably connected by means of bolts, so that the cabin may be transported in the knocked-down condition, and may be subsequently assembled by bolting.
The side and upper edges of the lateral walls comprise light-metal tubular frame members, the ends of which are welded together in pairs. The roof is provided with four beams welded together in pairs and together forming a roof frame, two of these beams being welded to the tubular frame members forming the upper edges of the lateral walls.
The end walls are edged at the bottom and sides with frame members which are bolted to the frame members of the lateral walls and are riveted to the plates. The upper parts of the end walls comprise transparent panes, secured detachably, by means of resilient strips to parts of the end walls, of the two lateral walls, and of the roof.
A cabin for a cable-car comprises a floor, two lateral walls facing each other, one of which is provided with a door opening, two end walls, and a roof. All of these panels are detachably connected by means of bolts, so that the cabin may be transported in the knocked-down condition, and may be subsequently assembled by bolting.
The side and upper edges of the lateral walls comprise light-metal tubular frame members, the ends of which are welded together in pairs. The roof is provided with four beams welded together in pairs and together forming a roof frame, two of these beams being welded to the tubular frame members forming the upper edges of the lateral walls.
The end walls are edged at the bottom and sides with frame members which are bolted to the frame members of the lateral walls and are riveted to the plates. The upper parts of the end walls comprise transparent panes, secured detachably, by means of resilient strips to parts of the end walls, of the two lateral walls, and of the roof.
Description
The invention relates to a cabin for a cable-car, comprising a floor, two opposing lateral walls, at least one of which has a door opening, two opposing end walls, and a roof.
In existing cabins of this kind, the shell of the cabin, apart from the windows and doors, consists of sheet metal and frame members welded together. Such cabins are normally made in the manufacturer's plant~ During transporta-tion from the plant, they occupy a relatively large amount of room, and transportation costs are therefore relatively high, especially over long distances. Now it would, of course, also be possible to weld the parts of the cabin together in situ, i.e. in the vicinity of the cable-car system, but this would involve transporting welding and auxiliary equipment, and welders, to the location of the cable-car system, which would also have a detrimental effect upon the costs, all the more so since the parts of the cabin to be welded are of aluminum and the welding of aluminum is relatively demanding work requiring special equipment and specially trained personnel.
It is therefore an object of the invention to provide a cabin, the component parts of which may be trans-ported compactly to the site of the aerial cable-car or funicular where they can be assembled by personnel without any special training.
In accordance with the invention, there is provided a cabin for a cable-car, comprising a floor, two lateral walls facing each other, at least one of which has a door opening, two end walls facing each other, and a roof, and characterized in that the floor, walls and roof are detachably connected to each otherO At least a part of the roof and walls are secured together by ~astening means, at least those edges of the lateral walls and of the end walls which are adjacent to one another being formed at least in part by frame members which extend along each other in pairs', bear upon each other', and are fastened together by the fastening means passing through one of the frame members. One of each of these pairs of adjacent frame members thus fastened together has a longi-tudinal rib, while the other has a longitudinal groove with which the rib engages, and sides of the longitudinal grooves taper towards their bottoms so that sides of the longitudinal ribs bear upon sides of the longitudinal grooves.
The design according to the invention makes it possible to transport the cabin in the dismantled condition to the point of use', whereby the floor', wall and roof panels of a plurality of cabins are stacked for transportion in containers.
At least those edges of the lateral wall panels and of the end wall panels which are adjacent to one another are thus formed at least in part by frame members which extend along each other in pairs, bear upon each other, and are fastened together. One of each of these pairs of adjacent frame members thus fastened together has a longitudinal rib, while the other has a longitudinal groove with which the rib engages. This provides highly stable connections, in which the fastening means are scarcely stressed in shear by the forces in the vertical direction, and in the direction of travel', arising when the cabin is in operation.
The sides of the longitudinal grooves taper towards their bottoms. The longitudinal ribs and grooves may be trapezoidal in cross section, for example, in which case they center themselves as the cabin is assembled. This speeds up the assembly and eliminates any problems.
The in~ention will be explained hereinafter in 7 ~
conjunction with the e~ample of embodiment illustrated in the drawing attached hereto, wherein:
Fig. 1 is an elevation showing the lateral wall of the cabin comprising the door opening, the door having been omitted, Fig. 2 is an elevation showing an end wall of the cabin illustrated in Fig. 1, Fig. 3 is a section along the line III-III in Fig. 1, without the door and to an enlarged scale, Fig. 4 is a section along the line IV-IV in Fig. 1, Fig, 5 is a section along the line V-V in Fig. 1, Fig. 6 is a section along the line VI-VI in Fig. 1, and Fig. 7 is a section along the line VII-VII in Fig. 1.
Figs. 1 and 2 illustrate a cabin for a cable-car, the said cabin being in the form of a box comprising a floor 1, a flat vertical lateral wall panel 21 equipped with an opening 27 for a door 22 shown in Fig. 2, a flat vertical lateral wall panel 41, two curved end wall panels 61, and a roof panel 81~ Lateral wall panels 21, 41 extend parallel with the direction of travel. Arranged above roof 81 is a suspension 101 including rollers 102 by means of which the cabin may be suspended from a cable. The cabin is provided with two seats, not shown, the backs thereof running along end wall panels 61.
Floor panel 1 includes a plate 2 forming the internal floor of the cabin and equipped with upwardly bent tabs 2a which are shown in Fig. ~ and in dotted lines in ~ig. 3, and are bolted to parts to be described in greater detail hereinafter. Located under floor plate 2, in the vicinity of door opening 27, is a rectangular frame 11 which consists of two U-shaped channels 12 extending at ri~ht angles to lateral wall panels 21', 41', and of two flanges 13 welded to the channels 12 and extending parallel to the latexal wall panels 21', 41. Frame 11 is secured to floor member 2 by means of bolts, not shown', or by some other removable fasteners. The area defined by frame 11 is closed off at the bottom by an outer floor member which is not visible in the drawing. Thus frame 11, in conjunction with floor member 2 and the external floor member, encloses a cavity. This cavity accommodates a door-actuating device such as that described in Swiss Patent 569,603 and correspond-ing U.S. Patent 3,971',324. The said door-actuating device is connected, by a Bowden cable 103, to a sensing lever 104 fitted with a roller, the said lever being pivoted, as the cabin enters and leaves the station, by an appropriate control rail.
Furthermore, a pivot arm 16 extends through an aperture in the frame and is connected to the door by means of a threaded pivot pin.
The bottom of lateral wall panel 21 is provided', on each side of door opening 27, with a horizontal tubular frame member 23. The tubular frame member 23 comprises two right-angled walls 23a, 23b and an arcuate wall 23c extending over a central angle of 90. Wall 23b is provided with a longi-tudinal groove 23d, the bottom of which runs parallel with the plane of wall 23b which is in the plane of lateral wall panel 21. The sides of the groove 23d taper towards the bottom and thus the groove 23d is trapezoidal in shape. Wall 23b is thickened near the bottom of the groove and has a threaded bore 23h', as shown in Fig. 4', at the end remote from the door opening. A flange 23e extends tangentially from the arcuate wall 23c', and projects beyond the wall 23a. The flange 23e is provided with openings 23f ~or rivets 32.
Lateral wall 21 also comprises two curved tubular 7 ~
frame members 2~ running upwardly and constituting its lateral edges', the lower ends of the tubular frame members being welded to tubular frame members 23', running at right angles to lateral wall 21. As may be gathered from Fig.
5', the lower parts of tubular frame members 24 have the same cross-sectional shape and dimensions as tubular frame members 23. They thus have three walls 24a, 24b and 24c', wall 24b being provided with a longitudinal groove 24d.
Moreover', where walls 24a', 24b come together', there is an outwardly projecting flange 24e tangential to wall 24c.
The cross-sectional shape of the upper parts of tubular frame members 24 is shown in Fig. 6. In addition to the walls already mentioned', there is a flange 24g which projects tangentially to wall 24c beyond wall 24b. A
frangible line is provided where flanges 24e, 24g merge with walls 24a and 24b respectively by means of longitudinal throats 24', so that they may be relatively easily broken off. Tubular frame member 24 may therefore be extruded having the cross-sectional shape illustrated in Fig. 6 from which flange 24g may be separated if necessary. The same applies to tubular frame members 23 and 25.
Welded to the upper end of tubular frame member 24 is a tubular frame member 25 running horizontally. The cross-sectional shape of tubular frame member 25 is shown in Fig. 7~ It comprises two walls 25a, 25b', forming a right angle with each other, and an arcuate wall 25c. These walls are of the same shape and dimensions as walls 23a', 23b', 23c.
Wall 25b has a longitudinal groove 25d', the bottom of which runs parallel with the plane of lateral wall 21. However, in the vicinity of door opening 27, bar 25 has no projecting flanges. On the other hand', on either side of the door open-ing the flanges 25e have been left attached.
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Thus the outer edges of lateral wall 21 are formed by tubular frame members 23, 24, 25, all of which are identical. They thus differ only in that they are provided with projecting flanges on one or both sides of the central parts over a portion, or the wh~e of, their entire length.
~ubular frame members 23, 24, 25 may therefore be made of the same extrusion. The ends of tubular frame members 23, 24, 25, 26 are trimmed in such a manner that they can be conveniently butt-welded together.
The sides of door opening 27 are defined by vertical tubular frame members 26, the upper ends of which are welded to tubular frame members 25 and the lower ends to the ends of each of tubular frame members 23. Tubular frame members 26 have flanges 26a, 26b parallel with the plane of lateral wall 21, as shown clearly in Figs. 3 and 7, which are united by means of a web which runs in such a direction that tubular frame members 26 are of Z-shaped cross section. Tubular frame members 23, 24, 25, 26 are made of a light metal, namely an aluminum alloy. Arranged behind each tubular frame member 26 is a cross-sectionally rectangular steel tension band 28 which is riveted to leg 26a of tubular frame member 26 by rivets 29'. Furthermore, tension band 28 and leg 26a are secured, at the lower end of the tubular ~rame member, by means of bolts 29, to plate 13 of frame 11 pertaining to floor 1.
On each side of door opening 27, lateral wall panel 21 is provided with a horizontal light metal tubular frame member 30. One end of each tubular frame member 30 is welded to a tubular frame member 24, while the other end is welded to a tubular frame member 26. Below tubular frame member 30, a light metal plate 31 is secured to each of tubular frame members 23, 2~, 26, 30, by means of rivets 32 sho~m in Figs. 3 and 5. It should be noted in particular that plate 31 is riveted to flange 24e on tubular frame member 24. Located above each of tubular frame members 30 is a transparent window 34 made of synthetic material or glass.
As may be seen in Fig. 6, window 34 is held by a resilient strip 33 acting as a seal. Each side of strip 33 has a longitudinal slot accommodating the edges of the window. The outer slot allows strip 33 to be placed upon the flanges of the respective tubular frame members. The section of strip 33 shown in Fig. 6 is fitted to flange 24e -of tubular frame member 24. The upper horizontal section of the strip is placed upon corresponding flange 25e of tubular frame member 25. The vertical section of strip 33 at the side of the door is placed upon flange 26b of tubular frame member 26. The lower horizontal section of the said strip is placed upon one flange of tubular frame member 30.
~ hinge pin 15 for the door, not shown in Figs. 1 to 3, is secured to tubular frame member 23 by means of a support 14. Another hinge pin 38 is secured to tubular frame member 25 and is in alignment with lower hinge pin 15.
Lateral wall panel 41, facing lateral wall panel 21, is of identical design. However, instead of the two tubular frame members 23, interrupted by the door opening, there is a tubular frame member 43 extending over the entire length of the lower edge of the wall. This is visible in Fig. 3 and is of the same cross-sectional shape and dimensions as tubular frame member 23. The vertical outer edges of wall panel 41 are formed by tubular frame members 44 which are of the same design as tubular frame members 24. Lateral wall panel 41 which has no doors has tubular frame members 46, instead of vertical Z-shaped tubular frame members 26. The tubular frame members 46 ~ 7 --~56~
are welded at the bottom to tubular frame members 43 and', at the top', to a tubular frame member corxesponding to tubular frame member 25 which', in contrast to tubular frame member 25', also has a downwardly projecting flange in the longitudinal section facing the door opening. Lateral wall panel 41 also has tubular frame members corresponding to tubular frame members 30 and a tubular frame member 50 in alignment there-with, the ends of which are welded to tubular frame members 46.
Riveted below the tubular frame members corresponding to tubular frame members 30 and tubular frame member 50 is a plate 51 extending over the entire length of lateral wall panel 41. Three transparent panes are inserted above the said tubular frame members between outer tubular frame members 44 and inner tubular frame members 46. Tubular frame members 43, 44', 46', 50 and the additional prev:iously mentioned tubular frame members of lateral wall panel 41', are made of a light metal, like the corresponding tubular frame mem'bers in lateral wall panel 21. Two steel tension bands 48 of the same design as tension band 2~ are also provided. Vertical tubular frame members 46 and tension bands 48 are secured by means of bolts 49 and plate 47 having a threaded hole to tubular frame member 13, running parallel with lateral wall panel 41', of frame 11 pertaining to floor 1.
As already mentioned, member 2 of floor 1 has upwardly-bent tabs 2a which bear against the curved surfaces of walls 24a and the corresponding surfaces of tubular frame members 44 and are secured thereto by means of bolts 3 already mentioned.
This means that floor 1 is secured detachably to lateral wall panels 21, 41.
Roof 81 has a frame consisting of four light-metal beams welded together at the corners thereof. Two of these beams run horizontally along the upper edges of lateral wall panels 21', 41. One of these beams may be seen in Fig, 7 in which it is marked 82 and comprises two legs 82a, 82b', form-ing together an angle somewhat larger than 90. Leg 82a faces the identical opposing beam of the roof frame and slopes slightly upwards. Curved roof plate 84 is riveted to leg 82a. Leg 82b extends vertically downwards from the top of beam 82 and is provided with a cross-sectionally trapezoidal', longitudinal rib 82c which is complementary to longitudinal groove 25d in tubular frame member 25 and projects thereinto. The section of tubular frame member 25 adjacent the bottom of the groove is provided with threaded holes 25h. In the vicinity of longitudinal rib 82c', leg 82b is provided with openings 82d. Roof frame beams 82 are secured, by means of bolts 85 passing through holes 82d, to tubular frame member 25 and to the corresponding tubular frame member of lateral wall panel 41.
Below beams 82 each tension band 28 is slightly offset towards the interior of the cabin', and has a hole for one of bolts 85. Above this bolt', tension band 28 passes through a slot in leg 82a and through a slot in plate 84.
The two tension bands pertaining to lateral wall panel 41 are of the same design and are similarly secured to the roof frame. Base 105 of suspension 101', consisting of beams welded together', is secured detachably, by means of bolts 106, to the ends of tension bands 28', 48 projecting beyond roof plate 84.
The other two beams 86 of the roof frame may be seen in Fig. 2. They are curved upwardly parallel with the roof ~late. Beams 86 have the same cross-sectional shape and dimensions as the cross section of tubular frame member 24 visible in FigO 6. The hollow part of beam 86 is arranged in the same way as the corresponding part of tubular frame member , . . -- -- -- , `\
~5~
25 shown in Fig 7. The upper flange of beam 86 then projects horizontally towards the opposite beam 86. The roof plate is riveted to the upper flanges of beams 86', while the other flanges of beams 86 project vertically downwards.
End wall panels 61', which are curved convexly in a vertical section parallel with lateral wall panels 21', 41', have lower horizontal tubular frame members 62 extending over their entire width and cross-sectionally identical with tubular frame members 23', 43. Each tubular frame member 62 is bolted at one end to one leg of an angle section 64 arranged internally', the other leg being secured with bolts 65 to one of tubular frame members 23. The other end of each tubular frame member 62 is similarly bolted', by means of an angle section', to lower horizontal tubular frame member 43 of door-free lateral wall panel 41. Each end wall panel 61 also comprises two frame members 66', the lower ends of which are each welded to one end of tubular frame member 62. Frame members 66 are curved and run upwardly along tubular frame members 24, 44, but not as far as roof 81, only to about half the height of the cabin. The upper ends of frame members 66 are united by a welded frame member 67. The cross-sectional shape of frame member 66 is shown in Fig. 5. Frame member 66 has two legs 66a', 66b forming a right angle with each other.
Leg 66a runs parallel with the curved surface of the end wall', while leg 66b rests upon wall 24b. Leg 66b also has a longi-tudinal rib 66c which is trapezoidal in cross section and projects into complementary groove 24d in tubular frame mem'ber 24. Tubular frame members 24 and frame members 66 are detach-ably connected by means of bolts 68, each of which passes through a hole 66d in leg 66b and is screwed into a threaded hole 24h near the bottom of the groove. Secured by means of rivets 69 to leg 66a of frame member 66 is a plate 70 which ~:~L5~
has the same curvature as frame mernbers 66', but in a vertical cross section', of course.
Arranged above frame member 67 is a curved trans-parent pane 71. The pane is secured by means of a resilient strip 72 of the same cross-sectional shape as strip 33. As may be seen in Fig. 6', pane 71 is secured detachably to flange 24g', by one of its vertical edges', by means of strip 72', the flange being a part of tubular frame member 24 of lateral wall panel 21. The other vertical edge of the pane 71 is similarly secured to tubular frame member 44 of lateral wall panel 41. The lower edge of pane 71 is secured to frame member 67. The upper edge of the said pane is secured detachably', by means of strip 72, to the downwardly project-ing flange of roof frame beam 86. Below pane 71, a handle 73 is secured to end wall panel 61', i.e. to frame member 67.
The handle makes it easier for an operator to move a cabin while it is in a station. Also secured to the tubular frame members forming the edges of the lateral wall panels running from bottom to top are rubber buffers 121 which ser~e to absorb shocks applied to the cabin in the direction o~ travel.
In the case of the cabin described above', therefore, the edges of floor 1 are secured detachably', by means of bolts 3, 29, 49, to flat vertical lateral wall panels 21, 41. The upper edges of these walls are secured detachably to roof 81 by means of bolts 85. Lateral wall panels 21, 41 are also secured detachably', by means of bolts 65, 68, to curved lateral wall panels 61. Transparent panes 71, pertaining to end wall panels 61', are also connected detachably', i.e.
insertably, by means of resilient strips 72', in lateral wall panels 21, 41 and to roof 81. Suspension 101 is also secured detachably, by means of bolts 106', to the remaining parts of the cabin. The passenger seats', not shown', inside the cabin are also secured wit~ bolts.
A cabin thus designed may be transported, in the ~nocked-down condition, to the site of the cable-car system for which it is intended, the advantage of this being that it occupies a relatively small transportation space.
As soon as the cabin p~rts reach the site of the cable-car system, the cabin may be assembled. Floor 1 of the cabin is first set up horizontally on the ground or upon a base. Lateral wall ~anels 21, 41 are then set up vertically one after the other and are secured to the floor with bolts 3, 29, 49. Roof 81 is then placed in position and is bolted to lateral wall panels 21, 41 with bolts 85. Assembly of each end wall panel 61 involves first of all bolting the lower part of the wall panel, consisting of frame members 62, 66, 67, welded together, and plate 70 riveted thereto, by means of angle pieces 64, bolts 65 passing therethrough, and bolts 68, to lateral wall panels 21, 41. Transparent panes 71 are then inserted and secured, by means of resilient strips 72, to frame member 67 in the lower part of end wall 61, to beam 86 of roof 81, and to tubular frame members 24, 44 of lateral wall panels 21, 41.
Door 22 may now be connected to pivot arm 16 of the door-actuating device. Finally, suspension 101 may be bolted to the ends of tension bands 2~, 48 projecting beyond roof 81.
Sensing arm 104 must still be connected, with Bowden cable I03, to the door-actuating device, which is also achieved by screwed connections. Finally the passenger seats are installed.
Thus assembly of the box constituting the actual cabin requires merely tightening a few bolts and inserting transparent panes 71 into resilient strips 72~ None of the parts ti^ansported to the site require welding~ Even the connection between the door-actuating device, the door and V7~
the sensing arm on the suspension are all plug-in and screwed connections. The parts of the cabin may thus be assembled with simple tools, at the site of the cable-car system, by persons with no special technical knowledgeO
The edges of lateral wall panel 41 consist of a closed frame made of tubular frame members comprising longitudinal grooves. The tubular frame members forming the edges of lateral wall panel 21, and also comprising longitudinal grooves~, have a break only at the door opening, and thus almost form a closed frame.
When ~eams 82 of the roof frame are bolted to tubular frame member 25 of lateral wall panel 21, and to the corresponding tubular frame member of lateral wall panel 41, longitudinal ribs ~2c on beams 82 engage in the longitudinal grooves in the two tubular frame members of the lateral wall panels. Longitudinal ribs 66c on frame members 66 of end wall panels 61 engage in longitudinal grooves 24d as tubular frame members 24, and in the corresponding grooves 24d in tubular frame members 44~ The longitudinal ribs on angle-pieces also engage in the longitudinal grooves in the tubularframe members bolted to them~ The trapezoidal ribs and grooves of the various tubular frame members screwed together in pairs have a centering action and thus facilitate the bolting together.
The sides of the complementary ribs and grooves which engage with each other bear against each other and thus provide positive joints at right angles to their length and to the axes of the relevant bolts 68,85. Thus vertical forces occurring between lateral wall panels 21, 41 and roof 81 are transferred by the relevant frame members by the said sides of the ribs and grooves, In a similar manner, forces in the direction of travel, arising between lateral wall panels 21, 41 and end wall panels 61', are largely transferred by the curved sides of the ribs and grooves engaging with each other. Since tubular frame members 26', 44', and frame members 66 are curved along planes running parallel with lateral wall panels 21', 41', the sides of the ribs and grooves naturally do not lie in one plane but are curved. The result of this is that sides of the longitudinal ribs engaging in the longitudinal grooves can transfer', at least partly', not only horizontal', but also all forces acting approximately parallel with lateral wall panels 21', 41. The joints obtained are therefore highly stable', and bolts 68', 85', by means of which adjacent frame members are held together', are not stressed in shear.
It should also be noted that bolted joints may also be provided with locking means', not shown', such as circlips and spring washers.
In the example of embodiment; illustrated in the drawing, end wall panels 61 are so curved that the central portions thereof project outwardly in a vertical section', i.e. when the direction of viewing is at right angles to lateral wall panels 21, 41. However, instead of a constant curve', the said end wall panels may be angled, with the apex of the angle projecting outwardlyO In this case, a view of the cabin corresponding to that in Fig. 1 would be approximate-ly hexagonal in outlineO Moreover, the said end wall panels could also be vertical.
The design and attachment of the suspension may also be varied in several ways. For instance', base 105 may be arranged under the cabin roof~
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In existing cabins of this kind, the shell of the cabin, apart from the windows and doors, consists of sheet metal and frame members welded together. Such cabins are normally made in the manufacturer's plant~ During transporta-tion from the plant, they occupy a relatively large amount of room, and transportation costs are therefore relatively high, especially over long distances. Now it would, of course, also be possible to weld the parts of the cabin together in situ, i.e. in the vicinity of the cable-car system, but this would involve transporting welding and auxiliary equipment, and welders, to the location of the cable-car system, which would also have a detrimental effect upon the costs, all the more so since the parts of the cabin to be welded are of aluminum and the welding of aluminum is relatively demanding work requiring special equipment and specially trained personnel.
It is therefore an object of the invention to provide a cabin, the component parts of which may be trans-ported compactly to the site of the aerial cable-car or funicular where they can be assembled by personnel without any special training.
In accordance with the invention, there is provided a cabin for a cable-car, comprising a floor, two lateral walls facing each other, at least one of which has a door opening, two end walls facing each other, and a roof, and characterized in that the floor, walls and roof are detachably connected to each otherO At least a part of the roof and walls are secured together by ~astening means, at least those edges of the lateral walls and of the end walls which are adjacent to one another being formed at least in part by frame members which extend along each other in pairs', bear upon each other', and are fastened together by the fastening means passing through one of the frame members. One of each of these pairs of adjacent frame members thus fastened together has a longi-tudinal rib, while the other has a longitudinal groove with which the rib engages, and sides of the longitudinal grooves taper towards their bottoms so that sides of the longitudinal ribs bear upon sides of the longitudinal grooves.
The design according to the invention makes it possible to transport the cabin in the dismantled condition to the point of use', whereby the floor', wall and roof panels of a plurality of cabins are stacked for transportion in containers.
At least those edges of the lateral wall panels and of the end wall panels which are adjacent to one another are thus formed at least in part by frame members which extend along each other in pairs, bear upon each other, and are fastened together. One of each of these pairs of adjacent frame members thus fastened together has a longitudinal rib, while the other has a longitudinal groove with which the rib engages. This provides highly stable connections, in which the fastening means are scarcely stressed in shear by the forces in the vertical direction, and in the direction of travel', arising when the cabin is in operation.
The sides of the longitudinal grooves taper towards their bottoms. The longitudinal ribs and grooves may be trapezoidal in cross section, for example, in which case they center themselves as the cabin is assembled. This speeds up the assembly and eliminates any problems.
The in~ention will be explained hereinafter in 7 ~
conjunction with the e~ample of embodiment illustrated in the drawing attached hereto, wherein:
Fig. 1 is an elevation showing the lateral wall of the cabin comprising the door opening, the door having been omitted, Fig. 2 is an elevation showing an end wall of the cabin illustrated in Fig. 1, Fig. 3 is a section along the line III-III in Fig. 1, without the door and to an enlarged scale, Fig. 4 is a section along the line IV-IV in Fig. 1, Fig, 5 is a section along the line V-V in Fig. 1, Fig. 6 is a section along the line VI-VI in Fig. 1, and Fig. 7 is a section along the line VII-VII in Fig. 1.
Figs. 1 and 2 illustrate a cabin for a cable-car, the said cabin being in the form of a box comprising a floor 1, a flat vertical lateral wall panel 21 equipped with an opening 27 for a door 22 shown in Fig. 2, a flat vertical lateral wall panel 41, two curved end wall panels 61, and a roof panel 81~ Lateral wall panels 21, 41 extend parallel with the direction of travel. Arranged above roof 81 is a suspension 101 including rollers 102 by means of which the cabin may be suspended from a cable. The cabin is provided with two seats, not shown, the backs thereof running along end wall panels 61.
Floor panel 1 includes a plate 2 forming the internal floor of the cabin and equipped with upwardly bent tabs 2a which are shown in Fig. ~ and in dotted lines in ~ig. 3, and are bolted to parts to be described in greater detail hereinafter. Located under floor plate 2, in the vicinity of door opening 27, is a rectangular frame 11 which consists of two U-shaped channels 12 extending at ri~ht angles to lateral wall panels 21', 41', and of two flanges 13 welded to the channels 12 and extending parallel to the latexal wall panels 21', 41. Frame 11 is secured to floor member 2 by means of bolts, not shown', or by some other removable fasteners. The area defined by frame 11 is closed off at the bottom by an outer floor member which is not visible in the drawing. Thus frame 11, in conjunction with floor member 2 and the external floor member, encloses a cavity. This cavity accommodates a door-actuating device such as that described in Swiss Patent 569,603 and correspond-ing U.S. Patent 3,971',324. The said door-actuating device is connected, by a Bowden cable 103, to a sensing lever 104 fitted with a roller, the said lever being pivoted, as the cabin enters and leaves the station, by an appropriate control rail.
Furthermore, a pivot arm 16 extends through an aperture in the frame and is connected to the door by means of a threaded pivot pin.
The bottom of lateral wall panel 21 is provided', on each side of door opening 27, with a horizontal tubular frame member 23. The tubular frame member 23 comprises two right-angled walls 23a, 23b and an arcuate wall 23c extending over a central angle of 90. Wall 23b is provided with a longi-tudinal groove 23d, the bottom of which runs parallel with the plane of wall 23b which is in the plane of lateral wall panel 21. The sides of the groove 23d taper towards the bottom and thus the groove 23d is trapezoidal in shape. Wall 23b is thickened near the bottom of the groove and has a threaded bore 23h', as shown in Fig. 4', at the end remote from the door opening. A flange 23e extends tangentially from the arcuate wall 23c', and projects beyond the wall 23a. The flange 23e is provided with openings 23f ~or rivets 32.
Lateral wall 21 also comprises two curved tubular 7 ~
frame members 2~ running upwardly and constituting its lateral edges', the lower ends of the tubular frame members being welded to tubular frame members 23', running at right angles to lateral wall 21. As may be gathered from Fig.
5', the lower parts of tubular frame members 24 have the same cross-sectional shape and dimensions as tubular frame members 23. They thus have three walls 24a, 24b and 24c', wall 24b being provided with a longitudinal groove 24d.
Moreover', where walls 24a', 24b come together', there is an outwardly projecting flange 24e tangential to wall 24c.
The cross-sectional shape of the upper parts of tubular frame members 24 is shown in Fig. 6. In addition to the walls already mentioned', there is a flange 24g which projects tangentially to wall 24c beyond wall 24b. A
frangible line is provided where flanges 24e, 24g merge with walls 24a and 24b respectively by means of longitudinal throats 24', so that they may be relatively easily broken off. Tubular frame member 24 may therefore be extruded having the cross-sectional shape illustrated in Fig. 6 from which flange 24g may be separated if necessary. The same applies to tubular frame members 23 and 25.
Welded to the upper end of tubular frame member 24 is a tubular frame member 25 running horizontally. The cross-sectional shape of tubular frame member 25 is shown in Fig. 7~ It comprises two walls 25a, 25b', forming a right angle with each other, and an arcuate wall 25c. These walls are of the same shape and dimensions as walls 23a', 23b', 23c.
Wall 25b has a longitudinal groove 25d', the bottom of which runs parallel with the plane of lateral wall 21. However, in the vicinity of door opening 27, bar 25 has no projecting flanges. On the other hand', on either side of the door open-ing the flanges 25e have been left attached.
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~ \
7~
Thus the outer edges of lateral wall 21 are formed by tubular frame members 23, 24, 25, all of which are identical. They thus differ only in that they are provided with projecting flanges on one or both sides of the central parts over a portion, or the wh~e of, their entire length.
~ubular frame members 23, 24, 25 may therefore be made of the same extrusion. The ends of tubular frame members 23, 24, 25, 26 are trimmed in such a manner that they can be conveniently butt-welded together.
The sides of door opening 27 are defined by vertical tubular frame members 26, the upper ends of which are welded to tubular frame members 25 and the lower ends to the ends of each of tubular frame members 23. Tubular frame members 26 have flanges 26a, 26b parallel with the plane of lateral wall 21, as shown clearly in Figs. 3 and 7, which are united by means of a web which runs in such a direction that tubular frame members 26 are of Z-shaped cross section. Tubular frame members 23, 24, 25, 26 are made of a light metal, namely an aluminum alloy. Arranged behind each tubular frame member 26 is a cross-sectionally rectangular steel tension band 28 which is riveted to leg 26a of tubular frame member 26 by rivets 29'. Furthermore, tension band 28 and leg 26a are secured, at the lower end of the tubular ~rame member, by means of bolts 29, to plate 13 of frame 11 pertaining to floor 1.
On each side of door opening 27, lateral wall panel 21 is provided with a horizontal light metal tubular frame member 30. One end of each tubular frame member 30 is welded to a tubular frame member 24, while the other end is welded to a tubular frame member 26. Below tubular frame member 30, a light metal plate 31 is secured to each of tubular frame members 23, 2~, 26, 30, by means of rivets 32 sho~m in Figs. 3 and 5. It should be noted in particular that plate 31 is riveted to flange 24e on tubular frame member 24. Located above each of tubular frame members 30 is a transparent window 34 made of synthetic material or glass.
As may be seen in Fig. 6, window 34 is held by a resilient strip 33 acting as a seal. Each side of strip 33 has a longitudinal slot accommodating the edges of the window. The outer slot allows strip 33 to be placed upon the flanges of the respective tubular frame members. The section of strip 33 shown in Fig. 6 is fitted to flange 24e -of tubular frame member 24. The upper horizontal section of the strip is placed upon corresponding flange 25e of tubular frame member 25. The vertical section of strip 33 at the side of the door is placed upon flange 26b of tubular frame member 26. The lower horizontal section of the said strip is placed upon one flange of tubular frame member 30.
~ hinge pin 15 for the door, not shown in Figs. 1 to 3, is secured to tubular frame member 23 by means of a support 14. Another hinge pin 38 is secured to tubular frame member 25 and is in alignment with lower hinge pin 15.
Lateral wall panel 41, facing lateral wall panel 21, is of identical design. However, instead of the two tubular frame members 23, interrupted by the door opening, there is a tubular frame member 43 extending over the entire length of the lower edge of the wall. This is visible in Fig. 3 and is of the same cross-sectional shape and dimensions as tubular frame member 23. The vertical outer edges of wall panel 41 are formed by tubular frame members 44 which are of the same design as tubular frame members 24. Lateral wall panel 41 which has no doors has tubular frame members 46, instead of vertical Z-shaped tubular frame members 26. The tubular frame members 46 ~ 7 --~56~
are welded at the bottom to tubular frame members 43 and', at the top', to a tubular frame member corxesponding to tubular frame member 25 which', in contrast to tubular frame member 25', also has a downwardly projecting flange in the longitudinal section facing the door opening. Lateral wall panel 41 also has tubular frame members corresponding to tubular frame members 30 and a tubular frame member 50 in alignment there-with, the ends of which are welded to tubular frame members 46.
Riveted below the tubular frame members corresponding to tubular frame members 30 and tubular frame member 50 is a plate 51 extending over the entire length of lateral wall panel 41. Three transparent panes are inserted above the said tubular frame members between outer tubular frame members 44 and inner tubular frame members 46. Tubular frame members 43, 44', 46', 50 and the additional prev:iously mentioned tubular frame members of lateral wall panel 41', are made of a light metal, like the corresponding tubular frame mem'bers in lateral wall panel 21. Two steel tension bands 48 of the same design as tension band 2~ are also provided. Vertical tubular frame members 46 and tension bands 48 are secured by means of bolts 49 and plate 47 having a threaded hole to tubular frame member 13, running parallel with lateral wall panel 41', of frame 11 pertaining to floor 1.
As already mentioned, member 2 of floor 1 has upwardly-bent tabs 2a which bear against the curved surfaces of walls 24a and the corresponding surfaces of tubular frame members 44 and are secured thereto by means of bolts 3 already mentioned.
This means that floor 1 is secured detachably to lateral wall panels 21, 41.
Roof 81 has a frame consisting of four light-metal beams welded together at the corners thereof. Two of these beams run horizontally along the upper edges of lateral wall panels 21', 41. One of these beams may be seen in Fig, 7 in which it is marked 82 and comprises two legs 82a, 82b', form-ing together an angle somewhat larger than 90. Leg 82a faces the identical opposing beam of the roof frame and slopes slightly upwards. Curved roof plate 84 is riveted to leg 82a. Leg 82b extends vertically downwards from the top of beam 82 and is provided with a cross-sectionally trapezoidal', longitudinal rib 82c which is complementary to longitudinal groove 25d in tubular frame member 25 and projects thereinto. The section of tubular frame member 25 adjacent the bottom of the groove is provided with threaded holes 25h. In the vicinity of longitudinal rib 82c', leg 82b is provided with openings 82d. Roof frame beams 82 are secured, by means of bolts 85 passing through holes 82d, to tubular frame member 25 and to the corresponding tubular frame member of lateral wall panel 41.
Below beams 82 each tension band 28 is slightly offset towards the interior of the cabin', and has a hole for one of bolts 85. Above this bolt', tension band 28 passes through a slot in leg 82a and through a slot in plate 84.
The two tension bands pertaining to lateral wall panel 41 are of the same design and are similarly secured to the roof frame. Base 105 of suspension 101', consisting of beams welded together', is secured detachably, by means of bolts 106, to the ends of tension bands 28', 48 projecting beyond roof plate 84.
The other two beams 86 of the roof frame may be seen in Fig. 2. They are curved upwardly parallel with the roof ~late. Beams 86 have the same cross-sectional shape and dimensions as the cross section of tubular frame member 24 visible in FigO 6. The hollow part of beam 86 is arranged in the same way as the corresponding part of tubular frame member , . . -- -- -- , `\
~5~
25 shown in Fig 7. The upper flange of beam 86 then projects horizontally towards the opposite beam 86. The roof plate is riveted to the upper flanges of beams 86', while the other flanges of beams 86 project vertically downwards.
End wall panels 61', which are curved convexly in a vertical section parallel with lateral wall panels 21', 41', have lower horizontal tubular frame members 62 extending over their entire width and cross-sectionally identical with tubular frame members 23', 43. Each tubular frame member 62 is bolted at one end to one leg of an angle section 64 arranged internally', the other leg being secured with bolts 65 to one of tubular frame members 23. The other end of each tubular frame member 62 is similarly bolted', by means of an angle section', to lower horizontal tubular frame member 43 of door-free lateral wall panel 41. Each end wall panel 61 also comprises two frame members 66', the lower ends of which are each welded to one end of tubular frame member 62. Frame members 66 are curved and run upwardly along tubular frame members 24, 44, but not as far as roof 81, only to about half the height of the cabin. The upper ends of frame members 66 are united by a welded frame member 67. The cross-sectional shape of frame member 66 is shown in Fig. 5. Frame member 66 has two legs 66a', 66b forming a right angle with each other.
Leg 66a runs parallel with the curved surface of the end wall', while leg 66b rests upon wall 24b. Leg 66b also has a longi-tudinal rib 66c which is trapezoidal in cross section and projects into complementary groove 24d in tubular frame mem'ber 24. Tubular frame members 24 and frame members 66 are detach-ably connected by means of bolts 68, each of which passes through a hole 66d in leg 66b and is screwed into a threaded hole 24h near the bottom of the groove. Secured by means of rivets 69 to leg 66a of frame member 66 is a plate 70 which ~:~L5~
has the same curvature as frame mernbers 66', but in a vertical cross section', of course.
Arranged above frame member 67 is a curved trans-parent pane 71. The pane is secured by means of a resilient strip 72 of the same cross-sectional shape as strip 33. As may be seen in Fig. 6', pane 71 is secured detachably to flange 24g', by one of its vertical edges', by means of strip 72', the flange being a part of tubular frame member 24 of lateral wall panel 21. The other vertical edge of the pane 71 is similarly secured to tubular frame member 44 of lateral wall panel 41. The lower edge of pane 71 is secured to frame member 67. The upper edge of the said pane is secured detachably', by means of strip 72, to the downwardly project-ing flange of roof frame beam 86. Below pane 71, a handle 73 is secured to end wall panel 61', i.e. to frame member 67.
The handle makes it easier for an operator to move a cabin while it is in a station. Also secured to the tubular frame members forming the edges of the lateral wall panels running from bottom to top are rubber buffers 121 which ser~e to absorb shocks applied to the cabin in the direction o~ travel.
In the case of the cabin described above', therefore, the edges of floor 1 are secured detachably', by means of bolts 3, 29, 49, to flat vertical lateral wall panels 21, 41. The upper edges of these walls are secured detachably to roof 81 by means of bolts 85. Lateral wall panels 21, 41 are also secured detachably', by means of bolts 65, 68, to curved lateral wall panels 61. Transparent panes 71, pertaining to end wall panels 61', are also connected detachably', i.e.
insertably, by means of resilient strips 72', in lateral wall panels 21, 41 and to roof 81. Suspension 101 is also secured detachably, by means of bolts 106', to the remaining parts of the cabin. The passenger seats', not shown', inside the cabin are also secured wit~ bolts.
A cabin thus designed may be transported, in the ~nocked-down condition, to the site of the cable-car system for which it is intended, the advantage of this being that it occupies a relatively small transportation space.
As soon as the cabin p~rts reach the site of the cable-car system, the cabin may be assembled. Floor 1 of the cabin is first set up horizontally on the ground or upon a base. Lateral wall ~anels 21, 41 are then set up vertically one after the other and are secured to the floor with bolts 3, 29, 49. Roof 81 is then placed in position and is bolted to lateral wall panels 21, 41 with bolts 85. Assembly of each end wall panel 61 involves first of all bolting the lower part of the wall panel, consisting of frame members 62, 66, 67, welded together, and plate 70 riveted thereto, by means of angle pieces 64, bolts 65 passing therethrough, and bolts 68, to lateral wall panels 21, 41. Transparent panes 71 are then inserted and secured, by means of resilient strips 72, to frame member 67 in the lower part of end wall 61, to beam 86 of roof 81, and to tubular frame members 24, 44 of lateral wall panels 21, 41.
Door 22 may now be connected to pivot arm 16 of the door-actuating device. Finally, suspension 101 may be bolted to the ends of tension bands 2~, 48 projecting beyond roof 81.
Sensing arm 104 must still be connected, with Bowden cable I03, to the door-actuating device, which is also achieved by screwed connections. Finally the passenger seats are installed.
Thus assembly of the box constituting the actual cabin requires merely tightening a few bolts and inserting transparent panes 71 into resilient strips 72~ None of the parts ti^ansported to the site require welding~ Even the connection between the door-actuating device, the door and V7~
the sensing arm on the suspension are all plug-in and screwed connections. The parts of the cabin may thus be assembled with simple tools, at the site of the cable-car system, by persons with no special technical knowledgeO
The edges of lateral wall panel 41 consist of a closed frame made of tubular frame members comprising longitudinal grooves. The tubular frame members forming the edges of lateral wall panel 21, and also comprising longitudinal grooves~, have a break only at the door opening, and thus almost form a closed frame.
When ~eams 82 of the roof frame are bolted to tubular frame member 25 of lateral wall panel 21, and to the corresponding tubular frame member of lateral wall panel 41, longitudinal ribs ~2c on beams 82 engage in the longitudinal grooves in the two tubular frame members of the lateral wall panels. Longitudinal ribs 66c on frame members 66 of end wall panels 61 engage in longitudinal grooves 24d as tubular frame members 24, and in the corresponding grooves 24d in tubular frame members 44~ The longitudinal ribs on angle-pieces also engage in the longitudinal grooves in the tubularframe members bolted to them~ The trapezoidal ribs and grooves of the various tubular frame members screwed together in pairs have a centering action and thus facilitate the bolting together.
The sides of the complementary ribs and grooves which engage with each other bear against each other and thus provide positive joints at right angles to their length and to the axes of the relevant bolts 68,85. Thus vertical forces occurring between lateral wall panels 21, 41 and roof 81 are transferred by the relevant frame members by the said sides of the ribs and grooves, In a similar manner, forces in the direction of travel, arising between lateral wall panels 21, 41 and end wall panels 61', are largely transferred by the curved sides of the ribs and grooves engaging with each other. Since tubular frame members 26', 44', and frame members 66 are curved along planes running parallel with lateral wall panels 21', 41', the sides of the ribs and grooves naturally do not lie in one plane but are curved. The result of this is that sides of the longitudinal ribs engaging in the longitudinal grooves can transfer', at least partly', not only horizontal', but also all forces acting approximately parallel with lateral wall panels 21', 41. The joints obtained are therefore highly stable', and bolts 68', 85', by means of which adjacent frame members are held together', are not stressed in shear.
It should also be noted that bolted joints may also be provided with locking means', not shown', such as circlips and spring washers.
In the example of embodiment; illustrated in the drawing, end wall panels 61 are so curved that the central portions thereof project outwardly in a vertical section', i.e. when the direction of viewing is at right angles to lateral wall panels 21, 41. However, instead of a constant curve', the said end wall panels may be angled, with the apex of the angle projecting outwardlyO In this case, a view of the cabin corresponding to that in Fig. 1 would be approximate-ly hexagonal in outlineO Moreover, the said end wall panels could also be vertical.
The design and attachment of the suspension may also be varied in several ways. For instance', base 105 may be arranged under the cabin roof~
...... , ,_
Claims (10)
1. A cabin for a cable-car which has a knock-down housing made up of separate panel members adapted to be assembled together, the panels when assembled defining a floor, two lateral walls facing each other, at least one of which has a door opening, two end walls facing each other, and a roof; each of said panels having marginal frame members extending along at least parts of the edges thereof and fastening means for connecting adjacent pairs of marginal frame members of respective panels together; each of said pairs of marginal frame members between the lateral panels and the end panels including at least one elongated tubular frame member having a pair of flat walls at right angles to each other and a third convexly arcuate wall extending through 90° such that the resulting joint is rounded, one of the flat walls of the tubular frame member including a groove with tapered side walls, the other of the pair of marginal frame members including a longitudinal rib having converging side walls such that the rib is self-centered in the groove of the adjacent tubular frame member.
2. A cabin as defined in claim 1, wherein the fastening means includes threaded bolts passing through each pair of frame members and apertures are provided through the respective longitudinal rib and the wall forming the base of the groove in the tubular frame member wherein the aperture in the wall forming the base of the groove includes thread means.
3. A cabin as defined in claim 1, wherein each tubular member includes flanges extending from the edge of each flat wall tangentially to the surface of the arcuate wall and said flanges include a frangible portion at the joint thereof with the frame member such that sections of the flanges can be broken away from the tubular frame member.
4. A cabin according to claim 1, characterized in that each lateral wall panel comprises two tubular frame members extending continuously from the floor to the roof at the edges of said lateral wall panels, a tubular frame member forming the upper edge of the lateral wall panel being welded to the upper ends of said tubular frame members and the roof comprises four beams welded together at their respective ends and forming a roof frame; and in that two of the beams, per-taining to said roof frame, bear upon the tubular frame member forming the upper edges of the lateral wall panels, and are bolted thereto.
5. A cabin according to claim 4, characterized in that each end wall panel comprises a frame member constituting its lower edge, to the ends of which are welded two frame members forming the upstanding edges of the lower part of the end wall panel, said frame members bearing upon the tubular frame members forming the side edges of the lateral wall panels and being bolted thereto; in that said lateral wall panels, the tubular frame member forming the edges of the lateral wall panels, and the beams of the roof frame located above said end walls, each include a flange above the lower part of the end wall running parallel with the relevant end wall and extending towards it; and in that each end wall comprises a transparent pane, the edges of which are secured detachably, by means of a resilient strip, to said flanges and to a part of said end wall located under said transparent pane.
6. A cabin according to claim 1, characterized in that the tubular frame members, constituting part of the peripheral edge of the lateral wall panels, are provided with longitudinal grooves, and in that the bottoms of the grooves in these tubular frame members run parallel to the plane formed by the lateral wall panels.
7. A cabin according to claim 1, characterized in that the lateral walls are vertical, flat and parallel with the direction of travel; and in that each end wall is convexly curved, as seen at right angles to the lateral walls.
8. A cabin according to claim 2, characterized in that said bolts pass through one frame member of a pair of said frame members and are screwed into inside thread means rigidly secured to the other frame of said pair of frame members.
9. A cabin according to claim 1, characterized in that the adjacent edges of the two lateral walls and the roof are formed by frame members extending along each other in pairs.
10. A cabin according to claims 1 or 9, characterized in that said frame members forming said edges are undetachably fixed to the member of which they form the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000327251A CA1156874A (en) | 1979-05-09 | 1979-05-09 | Cabin for cable-car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000327251A CA1156874A (en) | 1979-05-09 | 1979-05-09 | Cabin for cable-car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1156874A true CA1156874A (en) | 1983-11-15 |
Family
ID=4114169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000327251A Expired CA1156874A (en) | 1979-05-09 | 1979-05-09 | Cabin for cable-car |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1156874A (en) |
-
1979
- 1979-05-09 CA CA000327251A patent/CA1156874A/en not_active Expired
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| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |