Classifications

• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B9/00—Fastening rails on sleepers, or the like
  • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
  • E01B9/32—Fastening on steel sleepers with clamp members

Definitions

• the present invention relates to a rail fixing device, that is to say to fix a rail to a support surface.
• Document BE 843 657 discloses a rail fixing device comprising:
• a side surface and a downward facing surface of the second part touch and slide respectively on a lateral surface and an upwardly facing surface of the first part in all the relative positions of the two parts together to transmit to the first part lateral forces exerted on the second part by the rail, these surfaces forming between them a corner effect.
• the subject of the present invention is a rail fastening device for which the second part takes the correct position with respect to the rail when the fastening means are tightened.
• the device according to the invention also allows better recovery of the forces or forces exerted by the rail on the second part, this making it possible to reduce, or even avoid, any risk of destruction of the fixing means.
• the operative device according to the invention is therefore a device that provides increased security, a device therefore particularly suitable for fixing track rails for handling equipment, device having to take up brief, violent and significant efforts.
• the device according to the invention is a positive device described in the second paragraph of this specification, but in which the first part or a part connected to the first part and the second part each have a face inclined relative to the surface turned towards the top of the first piece and with respect to a plane perpendicular to the surface facing up from the first piece and to the surface facing down from the second piece which touches said surface facing up from the first piece, a chamber or groove being defined between said inclined faces.
• the means for fixing the second part to the first part comprises an element located in said chamber or groove and having two inclined surfaces, a first of said inclined surfaces of said element touching said inclined face of the first part or of the part connected to the first part.
• said device of the fixing means allowing a relative vertical movement of the element relative to the first part, this relative movement of the element causing relative movement of the second part with respect to the first part and with respect to said element.
• the device of the fixing means is a device allowing both a vertical relative movement and a horizontal relative movement, advantageously parallel to the longitudi ⁇ nal axis of the rail, of the element with respect to the first part.
• the first part and the second part each have a face inclined relative to a plane perpen ⁇ dicular to the surface facing upwards of the first part and to the surface facing downwards of the second part which touches said surface facing upwards of the first part, a chamber being defined between said inclined faces to receive the element.
• the second part has a face cooperating with a face of the element and a surface cooperating with a surface of the first part, so that the relative movement of the element causes a relative movement of the second part with respect to the first part, said relative movement of the second part comprising a component of inclined movement, preferably perpendicular, with respect to the vertical and horizontal components of the relative movement of the element.
• the second part comprises a face cooperating with a surface of the element and a surface cooperating with a surface of the first part or of a part connected to the first part.
• the second part has a face cooperating with a surface of the element and a second surface cooperating with a surface of the first part, so that the relative movement of the elé ⁇ ment causes a relative movement of the second part with respect to the first part
• said relative movement of the second part is a movement whose movement components are substantially located in a horizontal plane or parallel to the face of the first part bearing on the support surface (for example in the plane of the face turned upwards of the first part on which the face turned downwards of the second part is supported)
• the relative movement of the element is a movement whose movement components are located in a vertical plane or perpendicular to the face of the first part resting on the support surface.
• the fixing means advantageously comprises a rod extending between the element and the second part, said second part having an opening providing passage to the rod so as to allow during the relative movement of the element relative to the first part to the rod to slide in the opening.
• the opening has a longitudinal axis parallel to the surfaces of the first and second parts which cooperate with each other.
• the device comprises:
• a second part suitable for overhanging the first part this second part having a surface facing downwards, a surface facing upwards and lateral faces, one of the lateral sides coming into contact with a wall of the rail, while another of the lateral faces and the downward facing surface of said second part touch and slide respectively on the lateral face of the first part which extends between the first upward facing face and the downward facing face and which is turned towards a lateral face extending between the second face turned upwards and the face turned downwards, and on the first face turned upwards of the first part in all the relative positions of the first and second pieces between them,
• a third part suitable for overhanging the first part this third part having a surface facing downwards, a surface facing upwards and side faces, one of the side faces coming into contact with a wall of the rail, while another of the lateral faces and the downward facing surface of said third part touch and slide respectively on the lateral face of the first part which extends between the second upward facing face and the downward facing face and which is turned towards a lateral face extending between the first face turned upwards and the face turned downwards, and on the second face turned towards the top of the first part in all the relative positions of the first and third parts together,
• said second and third parts each having a face inclined respectively with respect to a plane perpendicular to the first face turned upwards and with respect to a plane perpendicular to the second face turned upwards of the first part, said inclined faces being turned towards each other and defining between them a groove, and
• a fixing means comprising an element having two inclined surfaces sliding respectively on one of said inclined faces of said second and third parts and a fixing device transforming a relative vertical movement of the element towards the first part in relative movements of said second and third parts with respect to said element and with respect to said first part.
• FIG. 1 is an exploded perspective view of a device according to the invention, -
• Figure 2 is an inverted view of the upper part of the device of Figure 1;
• Figure 3 is a vertical sectional view of the device of Figure 1;
• Figure 4 is a sectional view along the lines IV-IV of Figure 3;
• Figure 5 is a bottom view, inverted of the device of Figure 1;
• Figure 8 is a sectional view along lines VIII-VIII of the device shown in Figure 6;
• Figure 9 is a top view of another embodiment
• Figure 10 is a sectional view along lines X-X of the shape of Figure 8;
• FIG. 11 is a sectional view along the line XI-XI of FIG. 10, and
• FIG. 12 shows the fixing of a rail by means of two devices according to FIG. 1.
• FIG. 1 shows in perspective the various parts constituting a device according to the invention.
• This device includes:
• a first part 1 having a lower face 2 suitable for bearing on a surface of support S for the rail R and suitable for being securely attached thereto;
• a second part 3 intended to overhang the first part 1 and comprising a lateral surface 4 coming into contact with a lateral surface of the rail;
• this means comprising an element 5 integral with or carrying a threaded rod 6 intended to cooperate with a nut 7.
• the first part 1 and the second part 3 have cooperating surfaces which touch in all the relative positions of said two parts to transmit to the first part 1 lateral forces exerted on the second part by the rail, said surfaces forming an effect between them corner.
• the first part presents the following surfaces or faces:
• a first surface or wall 11 substantially vertical, extending between the face turned downwards 2 and the face turned upwards 13 and having an inclination of 10 to 20 ° (for example 15 °) relative to a vertical plane perpen ⁇ dicular to face 2 and making an angle of about 45 ° relative to face 4;
• the second part 3 presents the following surfaces:
• an inclined surface 33 which is neither parallel to the surface 11, nor parallel to the surface 14.
• the inclination of the surface 33 relative to the surface 13 is advantageously equal to 180 ° minus the angle existing between the surface 14 and the surface 13.
• the surfaces 14 and 33 are preferably placed symmetrically with an angle of approximately 45 °.
• a groove or chamber capable of receiving the element is defined between the surfaces 14 and 33 of the first and second parts which are distant from each other.
• the element 5 has an inclined surface 50 (surface having an angle relative to a vertical plane, but also relative to the surface 2) intended to bear on the surface 14 of the first part 1, and an inclined surface 51 (surface having an angle relative to a vertical plane, but also relative to the surface 2) intended to bear on the surface 33 of the second part 3.
• the surfaces 50 and 51 advantageously extend in symmetrical directions.
• the inclined faces 50, 51 are inclined relative to a plane perpendicular to the surface 13 and to the downwardly facing surface (32) of the second part.
• the surfaces 14 and 33 are neither parallel nor perpendicular to the tightening direction which corresponds to the axis B of the rod 6.
• the part 5 moves away from the surface 2.
• the surface 50 of the part 5 slides on the surface 14 of the first part 1 , so that the part 5 undergoes a translational movement towards the surface 11 of the first part.
• the second part 3 has a groove
• the longitudinal axis AA of the groove 35 is adapted to the relative movement of the parts 1, 3 and 5.
• the surface 51 of the part 5 pushes on the surface 33 of the second part 3, thrust which is transformed into a movement re- the second part 3 relative to the first part 1.
• This relative movement of the part 3 is parallel to the surface 11 of the first part and is intended to push the lateral surface 4 of the second part 3 towards and on a side surface of the rail.
• the movement of the part 5 is a movement essentially comprising a component parallel to the surface 2 (advantageously parallel to the longitudinal direction of the rail) and a component perpendicular to this face 2.
• the movement of the second part (3) essentially comprises a component (Ml) parallel to the component of the movement of the piece 5 which is parallel to the surface 2, and a component perpendicular (M), on the one hand, to the component of movement of the piece 5 parallel to the surface 2 or substantially horizontal (H) and, on the other hand, to the movement component of the part 5 perpendicular to this surface 2 or substantially vertical (V).
• Figures 5 to 8 show the parts after relative movement between them.
• FIG. 12 shows a rail R fixed to a support S by means of two devices.
• Figures 9 to 11 show another embodiment of a device according to the invention.
• This device is similar to that of FIG. 1, except that it has two parts 3A, 3B intended to overhang the first part 1 and comprising a lateral surface 4 coming into contact with a lateral surface of the rail.
• Each part 3A, 3B has a surface 30 bearing on a surface 11 of the first part, a lower surface 32 inclined relative to the surface face 2 but bearing on an upper surface 13 of the first part 1, and an inclined surface 33 which is not parallel to the surface 11 of the first part 1.
• the part 5 has two inclined surfaces 52 with respect to a (vertical) plane perpendicular to the surface 2.
• This part has a passage 7 for the rod of a bolt, the end of which is engaged in a nut 56 secured to the first part 1.
• the bolt 6 By screwing the bolt 6, the part 5 approaches the surface 2, so that the surfaces 52 slide respectively on a surface 33 of a part 3A or 3B.
• This sliding movement is transformed into sliding movements of the surfaces 30 and 32 of the parts 3A and 3B on the surfaces 11 and 13 of the part 1.
• the device of FIGS. 9 to 11 comprises:
• a third part (3B) suitable for overhanging the first part this third part (3B) having a surface facing downwards (32), a surface facing upwards and lateral faces, one of the lateral faces coming into contact with a wall of the rail, while another (30) of the lateral faces and the downward facing surface (32) of said third part touch and slide respectively on the lateral face (11B) of the first part which extends between the second face (13) turned upwards and the face turned down and which is turned towards a lateral face (11A) extending between the first face turned upwards and the face turned towards bottom, and on the second side (13) facing upwards of the first part in all posi- relative relations of the first and third parts,
• said second and third parts (3A, 3B) each having an inclined face (33) respec ⁇ tively with respect to a plane perpendicular to the first face (13) turned upwards and with respect to a plane perpendicular to the second face ( 13) turned upwards of the first part, said inclined faces (33) being turned towards one another and defining between them a groove (G), and
• a fixing means comprising an element (5) having two inclined surfaces (52) sliding respectively on one of said inclined faces
• the part 5 has a groove 57 providing passage to the bolt rod, so that relative movements of the part 5 relative to the axis of the bolt are possible.

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=3889522

Family Applications (1)

Country Status (4)

Cited By (4)

Citations (3)

• 1996
  • 1996-02-07 BE BE9600106A patent/BE1010262A5/fr not_active IP Right Cessation
• 1997
  • 1997-01-31 AU AU15374/97A patent/AU1537497A/en not_active Abandoned
  • 1997-01-31 WO PCT/BE1997/000013 patent/WO1997029240A1/fr active Application Filing
  • 1997-02-03 AR ARP970100424A patent/AR005689A1/es unknown

Patent Citations (3)

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