MXPA98000835A - System of removal of anti-seat for a articulated connector of car of ferrocar - Google Patents

Abstract

The present invention relates to an improved method for removing an annular seat from an annular groove of a female connector member in an articulated connection for joining adjacent railway carriages, the groove has a floor, the female member has an open end, a surface exterior and an access passage with a wall extending between the outer surface and the annular groove, the access passage is generally horizontal with an opening in the outer surface and has a vertical height in the opening, the annular seat has an upper surface and a lower surface or sub-surface nested on the floor of the slot, the upper surface of the annular seat provides support for a spherical support ring for a male connector member of the hinged connection which is received at the open end of the female member, the method of removing the annular seat comprises: removing the male connector member and the spherical ring of female member support and of the annular seat, providing approximately half the vertical height of the passage below the lower surface of the annular seat and below the groove floor, in the annular groove with at least a horizontal portion of said passage extending into the floor of the groove provide a tool with a shank, a leading edge and a bottom surface, insert the tool into the passage with at least one leading edge of the tool making contact with the annular seat in the vicinity of the sub-surface, apply a force to the shank of the tool to move the tool under the annular seat in the vicinity of the sub-surface to eject the annular seat from the annular groove

Description

ANTI-SEAT-RETIREMENT SYSTEM FOR NAIL ARTICULATED RAILROAD-CARRIER CONNECTOR DESCRIPTION OF THE INVENTION: The present invention relates to the repair of articulated connectors for railway carriages. More specifically, a female member of an articulated connector is illustrated as well as a method taught to facilitate the removal of an annular seat from the female connecting member. The articulated connectors with female and male connector members joining adjacent ends of rail cars on the cross member of a frame to form a semi-permanent unit is well known, as illustrated in the following US Patents: 3,721,482 to Tack; 3,716,146 to Al Herr; 4,336,758 to Radwill and 4,258,628 to Altherr The connecting female or members of the articulated connectors may include an annular groove for a spherical ring and a ring seat, which acts on a bearing surface for the male connecting member. The annular seat allows, in part, a vertical and horizontal movement at an angle if as a rotational movement of the male and female connectors when their respective carriages are traveling at elevations, curves or oscillating with respect to each other. under high loads requires the maintenance of close tolerances to prevent forces of imp act high, which could cause excessive wear and possible breakage within the connection. During long periods of service, the spherical ring, as well as its opposite surfaces wear out. This wear lowers the male member and the body of the coupled carriage. As a result, there is a decrease in the restrictive space offered for separation. The space reduction is below the minimum height established by the American Association of Railroads (AAR). The restoration of the male connector to an acceptable height can be done by placing a filler plate inside the angular groove under the spherical annular seat. In this case the male connector disconnects the female connector, the spherical ring and the annular seat are removed from the annular groove; a plate of the suitable thickness is nested at the base of the slot, the worn ring and the annular seat are inserted on the upper part of the plate ", and the male member is coupled with the female to form the articulated connector. of the aforementioned process has encountered difficulties with the removal of the spent spherical annular seat since the seat frequently sticks or lodges within the annular groove due to the presence of grit, grime or other debris, or by wear on the slot seat. This entrapment is a strong impediment to disassembling and repairing the connector and reinserting it into the associated car or wagon service.If the spherical ring can not be removed during the repair procedure, it must be cut into several pieces or destroyed to remove it. a premature replacement of the spherical annular seat and greater expense to the owner of the car.Thus it is desirable to remove the spherical ring without mechanically damaging to the spherical annular seat or to the annular groove. US Patent to Schultz No. 5, 014, 626 provides access to the bottom surface of the spherical annular seat, however the structure and position of the array presented has certain undesirable limitations for immediate access and mechanical separation to dislocate the spherical annular seat . Consequently an effort is made to improve the ease of removal of the spherical annular seat. The present invention provides an improved access port structure, and presents an easier method to perform the removal of the spherical annular seat by a mechanical advantage between the removal tool and the access port structure. This arrangement provides access to the base of the spherical ring with displacement of the wedge or tool, the floor of the access port is operable when the placement arm for the tool unimpeded for a secondary internal port: and finally the outer edge of the access port, which is the external surface of the female connector, is operable as an array of fulcrum for a lever arm wedge. In the alternative embodiment of the present invention, a method, a structure, an apparatus for providing a uniform mechanical force to the annular seat for removal from the annular groove, without any shear or shock forces being applied to the annular seat, are taught and illustrated. . DESCRIPTION OF THE DRAWINGS In the figures, like reference figures refer to like components, where: Figure 1 is a diagrammatic side view of two rail cars connected by an articulated connector, which is supported by a single frame to form a coupling unit; Figure 2 is a perspective view of an articulated connector with an access port to the annular seat; Figure 3 is a perspective view of an articulated connector in Figure 2 in partial section; Figure 4 is an elevational view of an articulated connector according to figure 2, in section; Figure 5 is a plan view in partial section showing the female connector of Figure 2; Figure 6 is an elevation end view of a partial section of the female connector of Figure 2; Figure 7 is a side elevational and partial elevation view of the female connector of Figure 2 with a filler plate below the annular seat; Figure 8 is an enlarged partial elevation side view of the female connector of Figure 2 with a wedge or lever bar in the access port and making contact with the underside of the annular seat; Figure 9 is a partial elevation view of a female connector with the access passage in a rectangular cross section; Figure 10 is a cross-sectional view of the improved access port and the annular groove-female connector arrangement, with a tool head and annular seat in contact; Figure 11 is an illustration of a tool head for levering the annular seat from the annular groove of the female connector; and Figure 12 is a cross-sectional illustration of an alternative embodiment of the tool arrangement and annular seat for removal of the latter.

In Figure 1, a rail car body 12 with a loose end 14 and a rail car body section 13 with a second loose end 16 are shown, the two loose ends 14 and 16 are supported by conventional frames or frames 18 and 20, as is known in the art. The inner end 22 of the first carriage 12 is coupled to the inner end 24 of the second carriage body 13 by an articulated connector 26, which is carried on a cross member 28 of a single rail car frame 30 to form an assembled unit. that more than two car bodies can join to form a unit. The articulated connector 26 shown in Figures 2 to 4 includes the male connector 32 with a rear end 33 fixed to the inner end 22 of the first body 12 and a front end 34 positioned on the open front end 35 of an improved female connector 36. The second internal end of the body 24 is fixed to a rear or outer end 38 of the female connector 36. The male connector front end 34 includes the vertical pin opening 40. The female connector in its "bottom 42 has a central plate support surface. 44, which forms the insertion portion of a central plate seal 46. A corresponding central bowl 48 of the "center plate 46" gasket is formed as part of a cross member 28 of the rail car frame 30 and is operable to receive the central plate support surface 44. The front end 35 of female connector 36 is open to an internal cavity 50. The bottom bottom surface 52 of the cavity 50 has the annular groove 5. 4 positioned around the hub 56. The annular groove 54 has the floor 112, a raised inner side wall 57 and a raised outer side wall 59. The vertical opening 58 with the vertical axis 63 extends through the hub 56 and the surface 44 of center plate support. The opening 58 is alignable with the second vertical opening 60 which extends through the upper portion 62 of the female connector at its open front end 35. The vertical primary pin 64 extends through the openings 58 and 60 and through the opening 40 of the male connector 32 to form a movable seal 66 between the male 32 and the female 36. The lower end of the primary pin 64 has a cylindrical cut 67 for receiving the upper end of the center pin 68, having its lower end extending into the central bowl 48 of the center plate gasket 46 on the cross member 28. The primary pin 64 is fixed against vertical movement by a horizontal retaining pin 69 in the through bore 70 in the upper portion of the female 36. The retaining pin 69 passes through an annular recess 72 in the perimeter of the primary pin 64, which allows the rotation of the pin 64 preventing accidental removal or displacement. of the pin 64. The movement between the male 32 and the female 36 is partially regulated by a pin support block 74., which is placed in an opening of the core 40 between the primary pin 64 and the end wall 76 of the outer male end 34, the surface 78 of the pin carrying block 74 striking the end wall 76 has a convex shape to correspond to the surface concave 80 of the end wall 76. The correspondingly formed surfaces provide an angular vertical movement of the male connector 32 with respect to the female 36. The male connector 32 is regulated in its movement with respect to the female 36 by the follower 82 and the filling wedge 84, which are located between the end wall 76 of the male 32 and the innermost surface 86 of the internal cavity 50 of the female connector 36. The extreme impact wall 76 is surface 88 of the follower 82, whose surface 88 is concave to correspond to the convex surface 90 of the end wall 76. The correspondingly formed surfaces provide both the horizontal and vertical angular movement of the male 32 with respect to the female connector 36. The wedge-shaped filling lever 84 provides a connection free of breaks. Thus, when the wear of the male-to-female connection occurs during use, the end wall 76 of the male connector 32 tends to move away from the surface 86 of the internal cavity 50 of the female connector. As a result of wear, wedge plate 84 falls to reduce loosening. In addition, the regulation of movement between the male 32 and the female connector 36 is provided by the ring seat 92, which has an outer bottom radial surface 96 complementary to the outer upper radial surface 98 on the spherical ring seat 94. The complementary radial surfaces 96 and 98 provide vertical and horizontal angular movement as well as rotational movement between the male 32 and female 36 connectors. The spherical ring 92 and the annular seat 94 are received within the annular groove 54 around the hub 56 in the connector female 36. The subsurface 110 of the spherical annular seat 94 is nested against the floor 112 of the annular groove 54. The upper surface 100 of the ring 92 couples the flat sub-surface 102 formed around the opening 40 in the core 32. During the In the service of the rail car, erosion occurs between the contact surfaces 100 and 102 and 96 and 98, which lowers the male connector 32 and consequently the carriage body 12. Another consequence is a corresponding decrease in the space given for distancing the lateral supports (not shown) below the minimum established by AAR. A method of restoring the male member 32 at an acceptable height is placing an annular filling plate 104 inside the annular groove 54 below the subsurface 110 as in figure 7. The positioning of the plate 104 is done by disconnecting the male 32 from the female 36, lifting the spherical ring 92 and the annular seat 94 of the annular groove 54, inserting the plate 104 and replacing the spherical ring 92 and the annular seat 94 on the plate 104. Loosening and removing the spherical annular seat 94 from the groove annular 54 is often difficult since the annular seat 94 can wear out within the slot 54 during use, and accumulate lubricant that can solidify in the coupling together with debris between the outer perimeter 111 of the annular seat 94 and the outer wall 59 of the annular groove 54. The height of the carriage and the male member 32 can be restored by ejecting the spherical annular seat 94 from the annular groove 54, which is facilitated by applying an upward force against the sub. surface 110 from one or more locations outside the female conductor 36 after removal of the core 32, and this was recognized in US Patent 5,014,626. The concept 'is to apply a mechanical force upwardly to the spherical annular seat 94 to dislodge or dislodge it and overcome any physical impediment to remove the seat 94 from the slot 54. The indicated force can be applied by a tool 116 with a handle or rod 117 and an outer rod surface inserted through the passage 106, which extends between the outer surface 108 of the female connector 36 and a point 119 along the floor 112 about half the distance of the slot 54 between the outer slot wall 59 and the internal slot wall 57. The access passage 106 has a lower access wall 121 and an upper wall 123, and in figure 10 a diameter 127. In this figure 10, the distance x between the lower access wall 121 and the floor of the groove 112 is approximately half the diameter 127. Therefore as noted in Figure 10, the lower shoulder 129 of the annular seat 94 protrudes into the passageway 106, but is displaced on the lower wall 121 by the distance of half a diameter or light x. In this embodiment, the tool 116 with the tapered head 131, the upper edge 133 and the lower edge 135 is insertable in the passage 106 with the lower edge 135 sliding along the wall 121 to insert the leading edge 137 into the space x below the subsurface lio. In this embodiment the tool 116 can be forcibly pushed into the lumen x, if required, with the taper 131 contacting the blade 129. After the tool 116 is placed below the subsurface 110 a downward force can be applied. to the upper edge 133 for using the lower wall 121 as a support for lifting the annular seat 94 and the ring 92 upwards from the slot 54. One apparatus for performing the aforementioned technique is the tool 116 with the leading edge 137 insertable in the step 106 and below the annular seat 94. The tool 116 extends between the outer surface 108 of the female 36 and at least the outer wall 59 of the groove 54. Of course the tool is placed under the annular seat 94, and thus the step 106 must to be disposed in a region where it extends below a portion of the slot 54 normally covered by the annular ring 94. Additionally it would be convenient and helpful to place the p 106 in a region of the outer surface 108 above the inserted portion within the central bowl 48. This would expose the step 106 to the insertion of the tool 116 and the application of the mechanical force to the tool 116, without removing the connector female 36 of the central bowl 48, this is not necessary "untramporte". The ejection means includes one more passages 106 from the outer surface 108 of the central plate 44 to at least the outer wall 59 of the slot 54 and the lifting means or tool 116. The access passage 106 is more conveniently located in the front open end 35 of the female connector 36, which is completely exposed when the male connector 32 is removed. When the male connector 32 of the female 36 is disconnected, the spherical ring 92 and the annular seat 94 are exposed, allowing it to be ejected from the annular groove. 54 by the insertion of a tool 116 in step 106. In the illustration of Figure 10, the tool 116 appears as a chisel-like tool with a leading edge 137 extending into passage 106 and below the spherical annular seat 94 to bring the broadsword 129 into contact with the taper 131. Subsequently, the tool 116 could be pushed more forcefully into the passage 106 to force the annular seat spherical 94 hasia above. Alternatively, a downward force could be applied to the tool 116 outside of the passage 106 to use a lower wall 121 and the rod 117 as a support and spacer to make the annular seat spherical 94 rise up and thus eject it. Although the step 106 may be placed anywhere around the female sonrest 36, it is preferred that the step 106 be located on the front outer surface 108 of the female constler 36 at an angle of 45 ° radially offset from the longitudinal sentral line A- A of the rail carriages 12 and 13. The preferred locating step of the passage 106 should be directed through the center of the sub 58. The second ascending step 118 may preferably be located in the outer front surface 108 of the female 36 at a 45 ° angle radially displaced from the longitudinal sentral line AA but in the opposite side of * the sentral line AA of step 106. In this way, a second step 118 gives asseso to the insertion of another (r tool 116 (not shown), if necessary, for dislodging the annular spherical seat 94 from annular groove 54. Also , a second step 118 provides an alternative insertion point for the tool 116, where it is desired to have access from either side of the center line A-A. The preferred embodiment of the present invention, shown in Figures 2-8 and 10, includes a passage 106 with a transverse sesssion in a sirsular or oval shape. However, this form is not a limitation, but simply an illustration. An alternative variation or alternative passage structure is the oblong or rectangular end view of the passage 106 indicated in FIG. 9. In that embodiment, the lower wall 121 would have a wider surface for coupling a tool such as a flat cinsel with its lower edge 135 , which could also assist the insertion of the leading edge 137 down the spherical annular seat 94. Thus, the rectangular shape of the step 106 may be preferred for a similarly shaped tool 116. in an alternative embodiment in Figure 12, the annular seat 94 is provided with horizontal recesses 140 and 142 radially outwardly extending from the upper radial surface 98. The recesses 140, 142 can extend through the annular seat 94 from the radial surface 98 to the outer perimeter 1-11, where the recesses 140, 142 are shown diametrically imposed in the illustration. In this embodiment, the second tool 118 with L-shaped arms 152 and 154 is used to dislodge the annular seat 94. The arms 152, 154 include fingers or protrusi156 and 158, respectively, fingers 156 and 158 extending in the recesses 140, 142. plate 160 is colossal in upper surface 55 of subo 56 after removal of primary pin 64 from openings 40 and 58. Assembly 162 includes upper plate 164 with arms 152 and 154 extending from there and the threaded screw 166 coupled with the central passage 168. The rod 170 extends the check plate 160 in the functional mode to remove the annular seat 94. When operating, the rod 170 is in contact with the plate 160, the arms 152 and 154 will be in steps 140 and 142 respectively. Since the screw 166 is threaded downwardly against the plate 160, the plate 164 and thus the arms 152, 154, will be mechanically driven upwards to remove the annular seat 94 with a relatively uniform mechanical force that is applied to diametrically opposite sides of the seat annular 94. It is evident that although only specific embodiments of the invention have been presented, there are many variatiand modificatiwithout departing from the scope and spirit of the present invention.

Claims (8)

1. RE IVINDI CAC I ONE S. 1.- An improved method to remove an annular seat from an annular groove of a female connector member in an articulated connection. To join ferrosarril tapers adyasentes, the groove has a floor, the female sonestor has a open end, an outer surface and an access passage with a wall extending between the outer surface and an annular groove, the access passage is an opening in the outer surface and having a vertical height in the opening, the annular seat has an upper surface and a lower surface or sub-surface nested on the floor of the groove, the upper surface of the annular seat provides support to the masho constor of the artisulated connection that is resibido in the open end of the female connector, the method of removal of the ring seat somprende: remove the Masho sonestor from the female connector and the annular seat; provide a tool with a rod, a leading edge and a lower surface; inserting the tool in the step are suando minus a leading edge of the tool having contact are the annular seat in the vicinity of the sub-surface; apply a force to the handle or rod of the tool to move the tool against the annular seat in the vicinity of the sub-surface to eject the annular seat from the annular groove.
2. 2. The method according to claim 1, wherein the method further provides approximately half of the vertical height of the passage below the lower surface and the bottom of the groove, in the annular groove.
3. 3.- Method of agreement are the vindication 2, wherein the annular groove has an internal surface and an external surface, the internal surface of the groove and the external surface cooperate to define a floor width between them, the lower surface of the annular seat has a second ansho, the ansho of the floor is suando less equal to the measure of the second ansho, overshadowing the method in addition to providing the step a length from the outer surface of the female sonestor to suando minus the slot, extending the length of the step under the annular seat suing less one half of the second width, and inserting the front edge under the slot and the annular seat.
4. 4.- In an articulated connection to join adjacent railcars, the connection has a male connector and a female conistor is an outer surface, the male connector is fixed one end of one of the adjacent railway carriages and the female conistor is fixed at one end of the other ferrous mortar wall, a means of ejecting the annular seat for an annular seat in the female sonter, the female soneror has an open end and an annular groove having an internal surface, an external surface and a floor or In this case, the inner surface of the groove and the outer surface cooperate to define a first width between them, the annular seat has a sub-surface that contaste with the floor, the male connector is received at the open end of the female connector for therein. accommodate and be supported by a ring on the annular seat in the annular groove, allowing a horizontal and vertical movement between the male and female connectors , the ejector member comprises: at least one access passage to the female connector, the passage has a first end and a second end, the first end of the passage is open on the outer surface of the female connector, the second end of the passage is below the floor of the groove and is open towards the sub-surface at least half the measurement of the first width in a position covered by the annular seat, step that provides access for the insertion of a tool under the annular seat to apply enough force to eject the annular seat from the annular groove.
5. 5. -In an articulated connection to join adjacent railcars, the connection has a male connector and a female conistor with an outer surface, the male connector is fixed to one end of an adjacent rail car and the female connector is fixed to one end of the other adjacent rail car, a means of ejecting the annular seat, for an annular seat in the female sonestor of asuerdo are the lining 4, wherein the tool has a rod with an outer wall and a front end, leading end which is tapered from the front end to the outer wall of the rod to provide the tapered surface in the passage under the annular seat.
6. 6. -In an articulated connection to join ferrosarril cars, the articulated connection has a masho constor and a female sonestor with an open end, an annular groove with an outer groove wall, a hub with an upper surface placed centrally in the groove , and an annular seat colosed in the slot around the subo; a solosed ring in the annular seat in the annular groove; the male connector attached to one end of one of the ferrosarril carts adyasentes and the female connector fixed to the other ferrosarril cart adyasente; the female sonrestor resibido in the open end of the female connector to accommodate on and be supported on the ring in the annular seat in the annular groove, allowing a horizontal and vertical movement between the masho constor and the female connector; an arrangement of ejection of the annular seat for the annular seat in the female const. the annular groove has a vertical axis through the hub and normal to the floor; the annular seat has a radial surface in the upper external part, a sub-surface that makes sontasto are the floor, and an outer perimeter, the expulsion means is formed: suas less an annular seat notch that extends outwards from the surface radial top of the annular seat; a tool assembly having a contact plate, a grip arm with an upper end and a finger for each notch in the annular seat, and an accessory; the plate seated on the upper surface of the hub, the fitting has an opening for each arm 'grabber and a central through-hole with a threaded side wall; each gripping arm in an opening of the assesorio is movable to solosar his finger ressante in a essotadura that extends radially and fixable to his opening of acsesorio by its upper end, a bolt is a threaded rod coupled with the lateral wall of the perforation Crossed, the rod has a lower end to have contact with the plate and move the assesorio, the arms and the annular seat vertically upwards since the bolt is screwed in the pierce through to provide a uniform mechanical force to the annular seat for removal of the annular groove.
7. 7. In an artisulated connection, an ejection means of the annular seat of agreement is the claim 6, wherein the annular seat has a first recess and a second recess extending radially from the upper external surface, the first and the second The notches are diametrically opposite in the annular seat.
8. 8. In an articulated connector, means for ejecting the annular seat as claimed in claim 7, wherein the first recess and the second recess extend through the annular seat from the upper outer surface to the outer perimeter. RES UM EN An improved female connector for an articulated connection having an annular seat for an annular groove to make contact with the male connector is present, the female connector has an improved passage below the surface to provide greater access to the sub-surface. annular seat surface and for more mechanical leverage to dislodge a worn ring seat, and in an alternative embodiment, a structure and tool is provided for removal of an annular seat from the exposed upper surface of the annular seat