FR2526120A1 - ROLLER SUPPORT FOR DRIVING, APPARATUS, ETC. - Google Patents

Abstract

THE INVENTION CONCERNS A ROLLER SUPPORT FOR VEHICLE PIPES CONTAINING HOT OR COLD FLUIDS, INCLUDING A FIXED CASING 7 AND AT LEAST ONE ROLLER 5 THAT CAN ROTATE IN THIS CASING, PERPENDICULARLY TO THE AXIS OF THE PIPE 1, AND SERVING AS A SUPPORT FOR THIS PIPE. ACCORDING TO THE INVENTION, THE PIPE 1, POSSIBLE BY THE INTERMEDIATE OF AN INSULATING SADDLE 3, IS GUIDED IN THE CASING 7 IN THE LONGITUDINAL DIRECTION OF THE PIPE, IF ANY, LEAVING A CLEARANCE, TO PREVENT IT FROM MOVING TO THE TOP. APPLICATION TO ROLLER SUPPORTS FOR LARGE-DIMENSIONAL DUCTS AND APPLIANCES.

Description

The invention relates to a roller support for supporting

  conduits carrying hot or cold fluids, hot or cold devices, etc., this support comprising a casing that can be fixedly placed and at least one roller which, in this casing, can rotate perpendicularly to the axis of the pipe or to the direction of expansion of the apparatus and serves as support for that pipe or apparatus,

  the pipe possibly resting on the roll by means of

  of an insulating saddle fixed on him and whose section

  is substantially in U, seen in the direction of the pipe.

  Roller carriers of this kind serve to support long pipes, large appliances or similar equipment when, due to the temperature difference between the fluid being conveyed and the environment, variations occur. length

  which prohibit fixed mounting of the pipe or appliance.

  On the contrary, the mounting on rolls should allow the con-

  pick or the device to change length with the least

obstacles possible.

  In practice, however, it has been found that

  Cold or hot picks of this kind, or the apparatuses, do not carry out only pure modifications of their length and thus, with reference to the section considered, axial movements, but that, because of constraints with respect to certain points, fixed, they tend to accomplish

  lateral or upward deviation movements.

  With regard to lateral movements, there are types of roller supports with which, because the rollers can slide on their axes, etc., appropriate degrees of freedom are obtained.

  undesirable upward deflection, we could

  take place also above the pipe or the appliance

  a roller support opposite the other, for the purpose of stopping.

  However, this solution would require a lot of space and would be very expensive, because the pipe or the apparatus should be surrounded, at the points of support considered, with a support frame allowing

  to fix the roller support mounted at the top.

  housing may correspond here substantially to the section of the bar, so that it is the housing of the roller support

  itself which prevents the hose or appliance from lifting.

  However, the device can be made in such a way that the pipe, the insulating saddle or the apparatus

  resting on a roller that can rotate around a horizontal axis

  zontal, the casing hole is larger than the section of the bar, so that the bar that passes through the housing below the roller, if necessary with play

  relative to the roller, is stopped by the roller to prevent

  the movements directed upwards. Thus, when the security against the uprising comes into action, a

  rolling friction and the absence of corresponding wear.

  According to another embodiment, in a configuration where the pipe, the insulating saddle provided with a bearing surface curved substantially concentric with the axis of the pipe or the apparatus, rests on two rollers placed in a V side of the other perpendicular to the axis of the pipe or the direction of expansion of the apparatus, it may be appropriate to mount a third roller between the preceding, this roller being horizontal and perpendicular to the axis of the pipe or to the direction of expansion of the apparatus, and mounted in the housing so as to be rotatable, the housing hole being larger than the section of the bar to a certain extent

  such as the bar, which passes through the crankcase below the third

  second roll, if necessary having play with respect to

  this roll is prevented by the third roll from

place up.

  In the cases indicated, if it is permissible for the pipe or apparatus to make transverse and horizontal movements, the housing hole may be widened to a greater or lesser extent.

  equal to the authorized transversal movement, without this

  promise the blocking of the uprising.

  According to another embodiment, in a

  figuration o the pipe, the insulating saddle provided with a curved bearing surface substantially concentric with the axis of the pipe or the apparatus, rests on two conical rollers-placed in one V The purpose of the invention is therefore to improve a roller support of the kind indicated above, so that it can also serve, at the same time, to stop the tube or the apparatus vis-à-vis movements directed upwards must basically be such that the roller support remains in the well-known form of its own and that the use of relatively small means, possibly measures that can be performed afterwards,

  to prevent the hose or appliance from lifting.

  With the aid of a roller support of the type indicated above, this object is achieved, according to the invention, by guiding the pipe or the insulating saddle, the apparatus or the like,

  by the roller support housing, in the longitudinal direction

  of the pipe or in the direction of the expansion of the device, if necessary by leaving a clearance when the pipe or the device rests on the roller support, guidance which

  opposes movements directed upwards.

  By this fundamental measure of the invention, the existing roller support or its housing also serves to guide, to prevent it from moving upwards or to maintain it, the pipe, an insulating saddle connected to the pipe or the apparatus , a game that can be fixed in advance can be used to leave the pipe or the apparatus, in the vertical direction, a permissible freedom of movement The solution of the problem according to the invention uses the realization that already exists anyway to the roller support and it takes advantage of it, at the same time, for the extension of its function,

  so that, for this one, one needs only a few ma-

  space and additional space.

  It has been found advisable that at least one bar parallel to the axis of the pipe or the direction of the expansion

  the appliance is fixedly connected to the hose,

  of the insulating saddle in the longitudinal direction of the pipe or the apparatus, that the length of the

  bar or bars corresponds to the displacement due to

  the pipe or the appliance, and that the bar passes through a hole in the housing In the simplest case, the hole next to the other perpendicular to the axis of the pipe or the direction of expansion of the device, and connected to each other by a cylindrical support roller, it is advisable that the hole of the housing is of dimensions greater than the section of the bar to such an extent that the bar which passes through the housing at below the support roller, the case

  with play in relation to this roll, either

  by this support roller to move upwards Here, if it is permitted that the assembly constituted by the tapered rollers and the support roller is shifted horizontally, the housing hole, on the axis of rotation of this set, can have a

  width increased to a degree equal to the magnitude of the

cross-cutting allowed.

  If it is intended that the pipe, the insulating saddle provided with a bearing surface curved substantially concentrically with the axis of the pipe or the apparatus, rests on two

  rollers arranged next to each other, in a V, perpendicular

  In line with the axis of the pipe or the direction of expansion of the apparatus, two parallel bars to the axis of the pipe or the direction of expansion of the apparatus may also be connected to the pipe at the ends of the saddle. insulation in the longitudinal direction of the pipe or the appliance the length of the bars may then correspond to the importance

  movement of the pipe or apparatus resulting from the expansion

  tion, and the bars may, possibly passing through a housing hole, be each supported by one of the rollers that prevents them from moving upwards; where appropriate,

  they have play with respect to the rollers.

  In addition, if there is between the pipe, or the apparatus, and the roller support an intermediate element which rests

  at least on a roller rotatable about a horizontal axis

  zontal and whose length is equal to the displacement of the pipe or the device due to the expansion, it can be provided, according to the invention, that this intermediate element is provided with guide flanges parallel to the axis of the pipe or in the direction of expansion of the apparatus and freely protruding from both sides, and that guide rollers, rotatably mounted in the housing, prevent the guide wings from moving upwards. guide rollers may be discs rotatable about a vertical axis and protruding above the guide flanges. Here it is also possible for other rollers for lateral support of the guide flanges to be mounted. way

  to be rotatable on the axis, below the guide rollers.

  These additional rolls can be in one piece

  with the discs, but it may also be

  tincts. So while, with the first-mentioned embodiments, it is one or more bars connected to the pipe, the insulating saddle or the apparatus and guided by the roller support housing and whose section is, so appropriate, round or other suitable form, which

  prevent the uprising, with the embodiment

  born last, it is the intermediate element itself which can be constituted by the insulating saddle, which, by means of appropriate guides on the crankcase of the roller support,

  prevents the hose or appliance from lifting.

  With regard to the embodiment of the

  uprising preventing device, which is essentially

  the bars can, if necessary, with their means of implementation, be made of several elements or be prefabricated to allow their mounting afterwards in already existing roller supports, by brazing the various elements, screwing them to each other, etc. Other peculiarities and other details

  of the subject of the invention appear in the description

  which follows, with reference to embodiments which are shown in Figures 1 to 7 in an analogous manner, namely in the direction of the axis of the pipe or in the direction of

  the dilation of the apparatus, and in view of corresponding side.

  Figures 1 and show, front and side 354, a pipe 1 equipped with an insulating envelope indicated by the dashed line 2 and an insulating saddle 3 whose section is substantially U-shaped, and is in the form of a welded element which rests, by its bottom 4 connecting the amounts on the roller 5 of a roller support whose set is designated by 6 The roller 5 is mounted in the housing 7 of the roller support so as to be rotatable, the latter being fixed, for example by means of screws 8, on a foundation (not shown) or a similar support. Arms 9 are soldered to the ends of the insulating saddle 3 located in the direction of the pipe; they are obtained by bending a bar 10 parallel to the axis of the pipe and they support this bar, which passes through a hole 11 of the walls of the casing 7 below the roller 5 When the insulating saddle 3 rests on the roller 5, the bar 10 has a little clearance with respect to the roller 5, so that it touches the latter only if the pipe, and therefore the insulating saddle,

  lift off the roller To allow for trans-

  dirty pipe 1, the hole It is wider than the

section of the bar 10.

  Figures 2 and 2a show in the same manner as Figures 1 and 1a, a pipe 15 which is welded to an insulating saddle 16 resting, by a bearing surface 17 concentric with the axis of the pipe, on two rollers 18 and 19 V-mounted in the casing 20 of the roller support whose assembly is designated

  by 21, so that it can turn.

  In a manner analogous to that shown in FIGS. 1 and 1a, the vertically bent branches 22 of a rod 23 are welded to the ends of the bearing surface 17 viewed in the longitudinal direction of the pipe 15, and this in such a way that the 23 passes through the housing 20, through a hole 24, between the rollers 18 and 19, this hole corresponding substantially, with a slight clearance, to the section of the bar 23 Here is the tilt of the rollers 18 and 19 which prevents the pipe 15 from shifting laterally, while it is the bar 23, passing

  in the hole 24 of the housing 20, which prevents it from lifting.

  The housing 20 is itself fixed by screws 25 or by others

  means, to a foundation not represented.

  FIG. 3 represents a modal embodiment

  2 to 2, for which the element shown in part may be a pipe wall, the bearing surface of an insulating saddle concentric with the pipe or the corresponding outer surface of a device L '. element also rests on the rollers 31, 32 arranged in V in the housing 33 of the roller support 34, so as to rotate, the housing 33 can be fixed on a foundation of the

already described.

  Element 30 (hose, insulating saddle, appliance or

  other) supports, in the way already described with the aid of

  1 and 2, vertical arms 35 provided by a welded T-section, which can be obtained from a bar 36

  folding, or welded to it, substantially at right angles.

  The bar 36 also has a T-shaped section, and its wing

  cross-section 37 is, where appropriate with play,

  below an additional roll 38 which is mounted in the casing 33 on a horizontal axis so as to be rotatable,

between the rollers 31 and 32.

  In the assembly of FIGS. 4 and 4a, a pipe provided with an insulating envelope 41 also rests, in the manner already shown in FIG. 1, on two conical rollers 44 and 45, via an insulating saddle.

  42 welded to it and its bearing surface 43 curved and co-

  axial to the axis of the pipe; these tapered rollers 44 and 45 are interconnected by a cylindrical support roller 46, and they are mounted in the housing 47 of the roller support 48, perpendicular to the axis of the pipe, and rotatable. The vertical arms 49 are welded to the ends of the insulating saddle 42 and they support a bar 50 parallel to the axis of the pipe and which passes through the housing 47 of the roller support 48 by passing through a hole 51, below the roller. 46, against which it is based if the pipe tends

  to lift from the roller support.

  Here too, the device is made of such

  way that the pipe 40 has a certain transverse mobility.

  For this purpose, the subset constituted by the coils

  44 and 45 and the support roller 46 is housed in the housing

  47, on the shaft 52, so as to be able to move perpendicularly

  As a result, the hole 51 of the housing 47 is enlarged so that the bar 50 can accompany

the transverse movement.

  FIG. 5 shows, also in front view, part of an element 60 which may be a pipe, a bearing surface of an insulating saddle concentric with the axis of the pipe or the corresponding part of an apparatus, etc. The element 60 is based on the roller 61 of a roller support 62, whose rollers are arranged in V; only one side of this roller support is shown The roller 61 is mounted in a housing 63 so as to be rotatable; this casing has a recess 64 in which the outer end of the roller 61 is free in its lower part; this applies

  also on the other side of the roller support, by symmetry.

  In the way that has already been described using

  of FIG. 1, the arms 65, which are substantially vertical or

  of a stirrup or U-shaped element are welded

  at the element 60, they carry a bar 66 placed between them.

  This bar 66 surrounds the roll 61 from below in the region of the notch 64 and is parallel to the axis of the pipe or the direction of expansion of the apparatus. raise the roller 61, the bar 66 comes from the bottom in contact with the roller and thus constitutes the element

which prevents him from lifting himself up.

  Figures 6 and 6a show the same as Figure 5, in completed form; explanations, to the extent that they have already been given to the

  the subject of Figure 5, will not be repeated.

  The difference, compared to Figure 5, is

  that for FIGS. 6 and 6a, the casing 70 of the support for rolling

  may be shifted, within certain limits, perpendicularly

  For this purpose, the housing 70 can be moved in slideways 72 in the shape of a U, by means of rollers 71 arranged on both sides; these slides are obtained by welding an L-shaped section on a base plate. For the bar 73 to be able to accompany this offset movement, the slideways 72 have openings 74 the length of which is equal to the transverse distance that the support can traverse. rollers; the bars pass through these holes The fixing of the roller support thus formed on a base or the like is for example likewise by screwing the base plate which contributes to constituting the slides 72. Finally, FIG. 7 shows the support roller, again a pipe, a boiler, a heat exchanger or other 80, a T-section being welded below by his soul

  longitudinal 81, the flange 82 resting on a cylindrical roller

  which is mounted in the casing 84 of a roller bearing

  The flange 82 constitutes lateral guide rails 86 and 87 which, so that they can not move upwards, are stopped by guide rollers 88 and 89 mounted in the housing 84. on a vertical axis, so that it can rotate; these pebbles of

  guide 88 and 89 covering guide rails 86 and 87.

  Other rollers 90 and 91 serve for lateral guidance and are mounted on the same axis as the guide rollers 88.

  and 89, and below them because its left parts

  che and right are different, Figure 7 shows that

  guide rollers 88 and 89, on the one hand, and the other rollers

  90 and 91, on the other hand, may be separate elements but may equally well be made

in one piece.

  The examples shown show how a system preventing hoses or appliances from lifting can be achieved in a simple manner, using supports

  already known rollers It is always essential that the length

  the bar used to prevent the correct lifting

  is responsible for mobility, due to dilatation, to be expected for the element that is supported by the support

  The device that supports the bar can be

  and set up in one piece, in the form

  felt by the figures, which comes into play especially

  for new installations to be carried out However, this provision

  can also be divided into several parts and realized

  by welding, screwing, etc. of the various elements, in particular

  when the system preventing the uprising must be

  put in place afterwards in sets of

  already existing or when the design of the

  The water itself makes such an embodiment necessary.

Claims (9)

  1 Roller stand for pipes or fittings   hot or cold wires or the like, having a permanently mountable housing and at least one rotatable roller in the housing, perpendicular to the axis of the pipe or the direction of expansion of the apparatus, serving as a support for the pipe or to the apparatus, the pipe resting on the roll, if necessary, via an insulating saddle   attached to it, this insulating saddle being of   U-shaped, seen in the direction of the pipe, characterized in that the pipe (1, 15, 30, 40, 60, 80), the insulating saddle (3, 16, 30, 42, 60), the apparatus ( 30, 60), etc., is guided in the housing (7, 20, 33, 47, 63, 84) of the roller support (6, 21, 34, 48, 62, 85) in the longitudinal direction of the pipe or in the direction of expansion of the device, if necessary leaving a clearance when the pipe or the device   rests on the roller support, to prevent it from place up.   Roller support according to Claim 1, characterized in that at least one bar (10, 23, 36, 50, 66,   73) parallel to the axis of the pipe or the direction of expansion.   of the apparatus, is fixedly connected to the pipe (30,) at the ends of the insulating saddle (3, 16, 30, 42, 60) which lie in the longitudinal direction of the pipe or apparatus ( 30, 60), in that the length of the bar or bars corresponds to the length of the displacement of the pipe or the apparatus due to the expansion, and in that the bar   passes through a hole (11, 24 r 51) of the housing (7, 20, 33, 47).   Roller support according to Claim 2,   characterized in that the hole (24) of the housing corresponds to   sibly to the section of the bar.   4 roller support according to claim 2, characterized in that the pipe, the insulating saddle (3) or the apparatus, resting on a roller (5) rotatable about a horizontal axis, the hole (11) of the housing is larger than the section of the bar to such an extent that the bar (10) which passes through the housing (7) below the roller, if any   with play relative to the roll, is prevented by the rolling water to move up -   Roller support according to claim 2, characterized in that, in the case where the pipe (30), the saddle   insulating material provided with a curved and sensing bearing surface (30).   concentrically to the axis of the pipe, or the apparatus (30), rests on two V-shaped rollers (31, 32) arranged one beside the other and perpendicular to the axis of the pipe or to the direction of dilation of the device, a third   roller (38) is rotatably mounted horizontally   and perpendicular to the axis of the pipe or   in the housing (33-), and in this case the housing hole is larger than the section of the bar, to a extent that the bar (36, 37), which passes through the crankcase below the third roller, where appropriate with play relative to this roller, is prevented   to move upwards by the third roller.   6 Roller support according to one of the claims   2 to 5, characterized in that, if it is permitted   pipe (1, 30, 40) or the apparatus (30) can be shifted   horizontally and horizontally, the casing hole (11, 51) is   widened by a length equal to the transverse offset allowed.   7 roller support according to claim 2, characterized in that, if the pipe, the insulating saddle (42)   provided with a curved bearing surface (43) and substantially   centric to the axis of the pipe, or the apparatus, rests on two conical rollers (44, 4-5) arranged in V and connected by a cylindrical support roller (46), arranged perpendicularly   to the axis of the pipe or the direction of expansion of the   the housing hole (51) is larger than the section of the bar to such an extent that the bar (50) passes through the housing (47) below the backing roll, where appropriate with play by compared to this roll, is prevented by this one to move up.   Roller bearing according to Claim 7, characterized in that, if it is permissible for the subassembly consisting of the tapered rollers (44, 45) and the support roll (46) to be displaced horizontally and transversely on its axis of rotation, the hole (51) of the housing is enlarged   an amount equal to the transverse offset allowed.   9 roller support according to claim 1, characterized in that, if the pipe (60), the insulating saddle provided with a bearing surface (60) curved and substantially concentric with the axis of the pipe, or device (60) rests on two rollers (61) arranged in V perpendicular to the axis of the pipe or the direction of expansion of the apparatus, one next to the other, two bars (66, 73) parallel to the axis of the pipe or the direction of expansion of the pipe are connected to the pipe, at the ends of the insulating saddle which are in the longitudinal direction of the pipe or the apparatus, in that the length of the bars corresponds to the displacement of the pipe or the apparatus due to the expansion, and in that the bars, which pass, if necessary, into a hole of the casing and which have, if necessary, clearance with respect to the rollers, are prevented each by one of the rollers, to move to the top.   Roller support according to claim 1, characterized in that, if there is an intermediate element (81, 82) between the pipe (80) or the apparatus and the roller support, the length of the displacement of the pipe or device due to the expansion of the pipe or the apparatus, and resting on at least one roller (83) rotatable about a horizontal axis, this intermediate element (81, 82) is provided with wings of guide (86, 87) parallel to the axis of the pipe or the direction of expansion of the apparatus and protruding freely from both sides, and in that the guide wings are prevented from moving upwards by rollers of guide (88, 89) mounted in the housing (84) so as to to be able to turn.   Roller support according to claim 10, characterized in that the guide rollers (88, 89) are discs (88, 89) rotatable about a vertical axis,   and covering the guide wings (86, 87).   Roller support according to Claim 10 or 11, characterized in that additional rollers (90, 91) for lateral guidance of the guide flanges (86, 87) are rotatably mounted on the spindle. below guide rollers (88, 89).