Apparatus, accessory and method for handling assembled switch, turnout or crossing section consisting of rails fastened to bearers

Abstract

Apparatus, accessories and methods are disclosed for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers which include a bridge-like carrier frame having two end regions and a respective ground-engaging undercarriage in each of said end regions. The undercarriages support the carrier frame for mobility and may be substantially perpendicular to a track. A hoisting means may be mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section.

Description

APPARATUS, ACCESSORY AND METHOD FOR HANDLING ASSEMBLED SWITCH, TURNOUT OR CROSSING SECTION CONSISTING OF RAILS FASTENED TO BEARERSTechnical Field

[0001] The present invention relates generally to an apparatus, accessory and method for handling assembled track, switch, turnout or crossing sections consisting of rails fastened to bearers.Background of Invention

[0002] Railways and rail systems have existed for over one hundred years. In a typical railway, rail vehicles move along a pair of steel rails that are evenly spaced apart. These rails are secured to ties that are laid in some kind of stabilizing material. This system of rails and ties is known as a railway.

[0003] Railway tracks were originally laid by a group of workers. The workers would manually set each individual tie on the stabilizing material. Once a number of ties had been laid, the workers would manually secure the steel rails to the ties. This was done by hammering large spikes into the ties to secure the rails. This process was very laborious.

[0004] Nowadays, railway tracks, switches, turnouts, crossing sections etc. are often laid (or repaired) as a panel. For example, a rail panel is made up of a pair of evenly spaced rails attached to a series of ties. In one configuration, the rail panel can vary in length from 10m up to 100m and the weight can vary between 7500 kilograms up to approximately 50000 kilograms. The rails may have a mechanism to allow the panel to be lined up with an existing section of track.

[0005] Railway operators have developed systems for handling track panels. Such systems allow for rail panels to be placed in position without having to individually lay ties and rails. However, they are unable to safely handle switch, turnout or crossing sections consisting of rails fastened to ties.

[0006] Accordingly, it would be desirable to provide an improved way of handling rail panels, in particular switches, turnouts or crossing sections.

[0007] A reference herein to a patent document or other matter which is given as prior art is not to be taken as an admission or a suggestion that the document or matter was known or that the information it contains was part of the common general knowledge as at the priority date of any of the claims.Summary of Invention

[0008] According to an aspect of the present invention, there is provided an apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers, the apparatus comprising: a bridge-like carrier frame having two end regions, a respective groundengaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section. The ground-engaging undercarriage may include laterally spaced and substantially parallel ground-engaging undercarriages or track roller frames, each having an endless track chain mounted on a plurality of idler wheels and adaptably driven by a powered sprocket in the usual manner. However, in other embodiments the ground-engaging undercarriage my include a plurality of wheels. Advantageously, the apparatus is capable of lifting very wide rail panels, including switches, turnouts or crossing sections over a variety of terrain.

[0009] In one or more embodiments, the carrier frame further comprises at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages. Advantageously, being able increase or decrease the width between the undercarriages not only makes the apparatus suitable for lifting a variety of panels, it is also convenient to transport.

[0010] In one or more embodiments, the at least one actuator includes a hydraulic ram. The actuator may also include one or more of electric motors, gearboxes and one or more mechanical means of incrementally sliding, pushing, pulling, and rotating one or more components of the carrier frame. The actuator may include a piston that is at least partially pneumatically activated or electrically activated via a screw jack, as may be the case for linear actuators.

[0011] In one or more embodiments, the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section. Advantageously, the frames dimensions and metal box section construction make it extremely strong and capable of lifting loads in the order of thousands of kilograms such as 12500 kg, 15000kg and the like, whilst spanning at least two rails of railway track.

[0012] In one or more embodiments, the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge. In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails. Advantageously, the apparatus is able to accommodate at least railway gauges of: 1,067 mm (3 ft 6 in), standard: 1,435 mm (4 ft 8+1 / 2 in), and broad: 1,600 mm (5 ft 3 in) and turnouts, switches and crossing sections made up from those gauges.

[0013] In one or more embodiments, the carrier frame is greater than 3 metres in one or more of height, width or length.

[0014] In one or more embodiments, the ground-engaging undercarriage includes rollers or wheels. The apparatus may also include rail wheels and ground engaging wheels.

[0015] In one or more embodiments, the carrier frame comprises metal box section. The metal box section may be formed from steel having a hollow cross-section or similar material capable of withstanding the high stresses and compressive loads. However, other rigid metal members may also be included for additional strength. Alternatively, C-sections may be placed in facing and abutting relations to form a square or rectangular box section. With C-sections made from steel it is know that the two parts of a so-formed box section are able to slip longitudinally with respect to one another.

[0016] In one or more embodiments, the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages. In this manner, the box section may act as sleeves for the respective ground-engaging undercarriages, allowing movement and providing additional strength.

[0017] In one or more embodiments, the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

[0018] In one or more embodiments, the width between the respective ground-engaging undercarriages in the apparatus' extended state is approximately 5m.

[0019] In one or more embodiments, the hosting means holds the assembled track, switch, turnout or crossing section with one or more of a sling, chain or gripping mechanism. Advantageously, the apparatus provides flexibility in the way panels are handled. For example, a chain or sling may be more desirable than a gripper for unevenly weighted loads or asymmetric track arrangements as may be the case for turnouts and switches. The chain or sling may be placed around a bearer.

[0020] According to an aspect of the present invention, there is provided an accessory for a railway maintenance vehicle, the accessory comprising: a bridge-like carrier frame having two end regions, the carrier frame adapted to engage with respective ground-engaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section.

[0021] In one or more embodiments, the carrier frame further comprises at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages.

[0022] In one or more embodiments, the at least one actuator includes a hydraulic ram.

[0023] In one or more embodiments, the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section.

[0024] In one or more embodiments, the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge.

[0025] In one or more embodiments, the carrier frame is greater than 3 metres in one or more of height, width or length.

[0026] In one or more embodiments, the carrier frame comprises metal box section.

[0027] In one or more embodiments, the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages.

[0028] In one or more embodiments, the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

[0029] In one or more embodiments, the width between the respective ground-engaging undercarriages in the apparatus' extended state is approximately 5m.

[0030] In one or more embodiments, the hosting means holds the assembled track, switch, turnout or crossing section with one or more of a sling, chain or gripping mechanism.

[0031] According to an aspect of the present invention, there is provided a method of handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in the vicinity of a railway undergoing construction or refurbishment, the method comprising: providing at least two vehicles each vehicle comprising: a bridge-like carrier frame having two end regions, a respective ground-engaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section; supporting a portion of the assembled track, switch, turnout, crossing section or other load partially on the hoisting means of each vehicle; and driving and steering the vehicles in a co-ordinated manner to transport the load to a desired location in the vicinity of the railway.

[0032] According to an aspect of the present invention, there is a provided an apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers, the apparatus comprising: a carrier frame having two end regions, respective ground-engaging undercarriages supported by each of the end regions, the undercarriages supporting the carrier frame for movement in a first direction, a ram mounted on the carrier frame between the end regions, the ram including a beam configured for handling the assembled track, switch, turnout or crossing section, wherein the ram is further configured to raise at least one of the undercarriages off the ground to permit movement of the carrier frame in a second direction.

[0033] In one or more embodiments, the first direction is substantially parallel to the direction of a track being laid or refurbished. For example, along the ground immediately adjacent to the railway tracks and the buffer zone on either side of the tracks, which is maintained to provide access for maintenance.

[0034] In one or more embodiments, the second direction is substantially perpendicular to the direction of the track being laid or refurbished. For example, across the ground encompassing various components such as the ballast, bearers (or ties), and the track itself. Advantageously, the apparatus can move both forwards and backwards and side to side in the vicinity of a railway undergoing construction or refurbishment. This is particularly advantageous for the positioning of switch or turnout sections which are crucial components of rail infrastructure that allows trains to change tracks. The precise alignment and hence smooth operation of the switch section are essential for safe and efficient rail operations, ensuring that trains can transition between tracks without derailment. Being able to move sideways in this regard can allow for a precise alignment to be achieved with less handling than known methods.

[0035] In one or more embodiments, the ram is further configured to raise both undercarriages off the ground. The ram may refer to any component that delivers a strong, linear force or movement, but is typically driven by hydraulic or pneumatic power. Generally, rams consist of a piston that moves within a cylinder, generating mechanical force as it extends and retracts. Rams are commonly used in heavy machinery and industrial applications such as construction equipment, where they perform tasks like lifting, or pushing. Advantageously, rams have a robust design allows them to exert substantial force with high precision and reliability. However, other linear actuators are suitable including: electric actuators that use an electric motor to drive a screw or other mechanical element, converting rotational motion into linear motion; or, mechanical actuators that rely on mechanical components such as lead screws, rack and pinion systems, or cams to achieve linear motion, either manually operated or motor- driven.

[0036] In one or more embodiments, the beam holds the assembled track, switch, turnout or crossing section with one or more of a sling, chain or gripping mechanism. Advantageously, the apparatus provides flexibility in the way panels are handled. For example, a chain or sling may be more desirable than a gripper for unevenly weighted loads or asymmetric track arrangements as may be the case for turnouts and switches. The chain or sling may be placed around a bearer.

[0037] In one or more embodiments, the ram is further configured to permit rotation of the carrier frame about an axis that is perpendicular to the ground. This rotation involves the carrier frame and undercarriages spinning around a vertical line extending upward from the ground (or a ground plane) supported by the beam or load. The carrier frame and undercarriages undergoing such rotation are governed by principles of angular momentum and rotational inertia, which determine the stability and speed of the rotating object. As such, brakes or mechanical gears may be employed to alter the speed of rotation as necessary.

[0038] In one or more embodiments, the carrier frame includes at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages. In another embodiment, the carrier frame includes four actuators adapted to increase or decrease a width between the respective ground-engaging undercarriages. The actuators may refer to any component that delivers a strong, linear force or movement, but is typically driven by hydraulic or pneumatic power. Advantageously, being able increase or decrease the width between the undercarriages not only makes the apparatus suitable for lifting a variety of panels, it is also convenient to transport.

[0039] In one or more embodiments, the carrier frame includes at least one actuator adapted to increase or decrease a width between one of the ground-engaging undercarriages and the ram. For example, between the centre of the piston rod extending out of the ram and transmits the force generated by the hydraulic pressure to the external mechanism or load being moved, and the undercarriage. Advantageously, in the manner the load is able to be moved laterally (e.g., laterally with respect to a railway undergoing construction or refurbishment) allowing for precise placement of the load, but it also allows for assembled switch, turnout or crossing section to be setup adjacent to the railway and then put in place by increasing or decreasing the distance between the ram and either undercarriage.

[0040] In one or more embodiments, at least one of the ground-engaging undercarriages includes at least one actuator adapted to increase or decrease a height between the carrier frame and the ground. In another embodiment, each ground-engaging undercarriage includes four actuators adapted to increase or decrease a height between the carrier frame and the ground. The actuators may refer toany component that delivers a strong, linear force or movement, but is typically driven by hydraulic or pneumatic power. Advantageously, being able increase or decrease the height between the carrier frame and the ground not only makes the apparatus suitable for stacking and subsequently lifting a variety of panels, it is also convenient to transport.

[0041] In one or more embodiments, the at least one actuator includes a hydraulic ram.

[0042] In one or more embodiments, the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, a switch, a turnout or a crossing section. Advantageously, the frame's dimensions and metal box section construction make it extremely strong and capable of lifting loads in the order thousands of kilograms such as 12500 kg, 15000kg and the like, , whilst spanning at least two rails of railway track.

[0043] In one or more embodiments, the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge. Narrow, standard, and broad-gauge rail tracks refer to the different widths between the inner faces of the rails on a railway track. Narrow gauge tracks, typically measuring less than 1,435 mm (4 ft 8 1 / 2 in), are often used in mountainous regions, on small industrial railways, and in places where construction costs must be minimised. Standard gauge tracks, at 1,435 mm (4 ft 8 1 / 2 in), are the most widely used globally, facilitating interoperability and efficiency in international rail transport. Broad gauge tracks, wider than the standard gauge, such as the 1,520 mm (4 ft 11 27 / 32 in) used in Russia or the 1,676 mm (5 ft 6 in) found in India, can accommodate larger and heavier loads, providing greater stability and comfort for passengers and freight, but they require more space and can be more expensive to build.

[0044] In one or more embodiments, the ground-engaging undercarriages include rollers. The rollers may include continuous tracks to provide mobility to the apparatus, enabling it to traverse rough and uneven terrain with stability and traction. The tracks may consist of a series of metal or rubber segments linked together to form a loop that wraps around the undercarriage. Metal tracks are more durable and suitable for rocky or abrasive surfaces, while rubber tracks are preferred for urban or sensitive environments to minimise ground damage. The tracks may be driven by a sprocket wheel that engages with the track links, allowing the apparatus to move forward, backward, and turn by varying the speed and direction of the tracks on either side. This track system provides superior weight distribution, reducing ground pressure and enhancing the apparatus' ability to operate in soft or muddy conditions, making it ideal for the construction or refurbishment of railways.

[0045] In one or more embodiments, the ground-engaging undercarriages may include a plurality of wheels and tires. The wheels and tires may be specially designed to handle the rugged conditionscommonly encountered adjacent to railway tracks. The wheels may be made of a durable material like steel and dimensioned to support the weight of the carrier frame (and any load) while providing stability and strength on uneven surfaces. The tires may feature a high profile and wide footprint to improve grip and prevent the apparatus from getting stuck.

[0046] In one or more embodiments, the carrier frame comprises metal box section. Metal box section, also known as a rectangular hollow section (RHS) or square hollow section (SHS), is a type of metal profile with a hollow, tubular cross-section that forms a square or rectangular shape. These sections are typically made from steel or other metals through processes like extrusion or welding. Metal box sections are characterised by their high strength-to-weight ratio, structural integrity, and versatility, making them ideal for engineering, and manufacturing applications. Box section offers excellent resistance to bending and torsional forces. The uniform shape and smooth surfaces of metal box sections also make them easy to cut, weld, and join, facilitating their use in this application. The metal box section may be formed from steel having a hollow cross-section or similar material capable of withstanding the high stresses and compressive loads. However, other rigid metal members may also be included for additional strength. Alternatively, C-sections may be placed in facing and abutting relations to form a square or rectangular box section. With C-sections made from steel it is know that the two parts of a so-formed box section are able to slip longitudinally with respect to one another.

[0047] In one or more embodiments, the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages in a telescoping relationship. A telescoping relationship between two box sections as described above involves one section sliding or fitting snugly within the other, allowing for adjustable length or extension. The smaller cross-section, or the inner box section, fits inside the larger cross-section, or the outer box section, with a close tolerance to ensure smooth, stable movement without significant wobble. Mechanisms such as locking collars, clamps, or pins may be employed to secure the sections at the desired length, providing both flexibility and rigidity. This arrangement enables compact storage and easy extension to various lengths, making it highly practical for the present application requiring variable length adjustments. In this manner, the box section may act as sleeves for the respective ground-engaging undercarriages, allowing movement and providing additional strength.

[0048] In one or more embodiments, the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

[0049] According to an aspect of the present invention, there is provided a method of handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in the vicinityof a railway undergoing construction or refurbishment, the method comprising: providing at least two vehicles each vehicle comprising: a carrier frame having two end regions, respective ground-engaging undercarriages supported by each of the end regions, the undercarriages supporting the carrier frame for movement in a first direction, a ram mounted on the carrier frame between the end regions, the ram including a beam configured for handling the assembled track, switch, turnout or crossing section, wherein the ram is further configured to raise at least one of the undercarriages off the ground to permit movement of the carrier frame in a second direction, supporting a portion of the assembled track, switch, turnout, crossing section or other load partially on the beam of each vehicle; and driving and steering the vehicles in a co-ordinated manner to transport the load to a desired location in the vicinity of the railway.

[0050] In one or more embodiments, the method further comprising lowering the supported portion of the assembled track, switch, turnout, crossing section or other load to the ground and raising at least one of the undercarriages off the ground to permit movement of the carrier frame in the second direction. Advantageously, the load, for example, a turnout or crossing section consisting of rails fastened to bearers may be used as a pad to support the apparatus when the undercarriages are raised off the ground. Making use of the bearers' ability to distribute load as they do for trains by spreading the weight of the train across a larger area of the track bed, reducing the pressure on the ballast and subgrade, which helps prevent track deformation and subsidence is also useful in this application.Brief Description of Drawings

[0051] The invention will now be described in further detail by reference to the accompanying drawings. It is to be understood that the particularity of the drawings does not supersede the generality of the preceding description of the invention.

[0052] Figure 1 shows an apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in accordance with an embodiment;

[0053] Figure 2 shows an accessory for a railway maintenance vehicle in accordance with an embodiment;

[0054] Figure 3 shows a twist lock assembly for a railway maintenance vehicle in accordance with an embodiment;

[0055] Figure 4 shows the apparatus of Figure 1, handling an assembled turnout in the vicinity of a railway undergoing construction or refurbishment in accordance with an embodiment; and

[0056] Figure 5 shows a beam for hoisting assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in accordance with an embodiment.

[0057] Figure 6 shows an apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in accordance with an embodiment;

[0058] Figure 7 shows a carrier frame for a railway maintenance vehicle in accordance with an embodiment;

[0059] Figures 8a, 8b and 8c shows the apparatus of Figure 6 moving laterally in series accordance with an embodiment;

[0060] Figure 8d shows the apparatus of Figure 6 being supported by a portion of assembled track in accordance with an embodiment;

[0061] Figure 9 shows the apparatus of Figure 6, handling an assembled turnout in the vicinity of a railway undergoing construction or refurbishment in accordance with an embodiment;

[0062] Figure 10 shows a beam for hoisting assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in accordance with an embodiment; and

[0063] Figure 11 shows a simplified top view of the apparatus of Figure 6 being loaded onto a trailer for transport.Detailed Description

[0064] The invention may be suitable for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers, such as "rail panels" and it will be convenient to describe the invention in relation to that exemplary, but non-limiting, application.

[0065] Turning to Figure 1, there is shown an apparatus 1001 for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers. The apparatus 1001 includes a bridge-like carrier frame 1021 having two end regions 1041 and 1061. The end regions 1041 and 1061 each engage with a respective ground-engaging undercarriage 1081 and 1101 in each of said end regions 1041 and 1061, the undercarriages 1041 and 1061 support the carrier frame 1021 for mobility (e.g., drive) substantially perpendicular to a track in the general direction indicated by line 1121. Ahoisting means is mounted on the carrier frame 1021, which will be described in greater detail with reference to Figure 5.

[0066] In the embodiment shown, the ground-engaging undercarriages 1081 and 1101 include laterally spaced and substantially parallel track roller frames 1121 and 1141, each having an endless track or chain 1161 mounted on a plurality of idler wheels 1181 and adaptably driven by a powered sprocket 1201 in the usual manner. However, in other embodiments the ground-engaging undercarriages 1081 and 1101 may include a plurality of wheels. Advantageously, in this manner the apparatus 1001 is capable of lifting and handling very wide rail panels, including switches, turnouts or crossing sections over a variety of terrain, including over crushed stone ballast placed beneath and around the bearers as well as the underlying subgrade. The ground-engaging undercarriages 1081 and 1101 also each include two pistons 1221a, 1221b, 1241a, 1241b that are at least partially pneumatically or hydraulically activated (e.g., synchronously) to raise or lower the carrier frame 1021 on a plane substantially parallel to the ground and those skilled in the art will recognise suitable designs for providing the stated functionality, including a lift cylinder supporting the carrier frame 1021 and the ground-engaging undercarriages 1081 and 1101 and a pump cylinder for providing pressurized hydraulic fluid to the lift cylinder.

[0067] The carrier frame 1021 also includes at least one actuator (not shown) 1281 that increases or decreases the width 1261 between the respective ground-engaging undercarriages 1081 and 1101. The actuator 1281 may also include one or more of electric motors, gearboxes and one or more mechanical means of incrementally sliding, pushing, pulling, and rotating one or more components of the carrier frame 1021. The actuator may include a piston that is at least partially pneumatically activated or electrically activated via a screw jack, as may be the case for linear actuators. Advantageously, being able increase or decrease the width 1261 between the undercarriages 1081 and 1101 not only makes the apparatus 1001 suitable for lifting a variety of panels, it is also convenient to transport on a truck, train or the like.

[0068] The hydraulics, collectively form a hydraulic system, that is driven by a drive unit 1301 in the usual manner, for example, the hydraulic system can include a hydraulic pump that is powered by a diesel engine. Those skilled in the art will recognise that the drive unit may includes hydraulic actuators and valves for effectuating lifting, extending, tilting, and sideways motions of the apparatus 100.

[0069] Now turning to Figure 2, there is show an accessory for a railway maintenance vehicle 2001. In this particular form of the invention, the carrier frame 1021 is provided as an accessory in thatit is separate to the drive unit 1301 and the respective ground-engaging undercarriages 1081 and 1101 as described with reference to Figure 1, which may be commercially available off-the-shelf (COTS) items. The carrier frame 1021 has two end regions 1041 and 1061 respectively. The two end regions 1041 and 1061 of the framer carrier 1021 include apertures 2021, 2041, 2061 and 2081 for engaging with respective ground-engaging undercarriages (not shown). The apertures 2021, 2041, 2061 and 2081 are substantially rectangular in cross section and include pads 2101 arranged therein to reduce friction and wear when engaging with the respective ground-engaging undercarriages 1041. In a number of embodiments, the pads 2101 are metal and serve to reduce the surface area of metal-to- metal contact. However, the pads 2101 may also be a polymer, such as polyethylene, nylon or derivatives thereof.

[0070] The carrier frame 1021 is largely constructed from welded metal box section members 2121, 2141, 2161 and 2181 section strengthened by cross members 2201, 2221, 2241 and 2261. The metal box section may be formed from steel having a hollow cross-section with a longest side of the box section 2121 being arranged to be in a substantially horizontal orientation when the frame carrier 1021 is deployed over a railway track, for example. Cross members 2201, 2221, 2241 and 2261 space members 2121 and 2141 from members 2161 and 2181, thereby creating a substantially rectangular carrier frame 1021. The cross members may be of any suitable length. This will depend, inter alia, on the length of the rail item to be handled and in turn the length of the undercarriage. Other rigid metal members may also be included for additional strength. The box section lengths 2141 and 2161 may act as sleeves for the respective ground-engaging undercarriages 1081 and 1101. Alternatively, C-sections may be placed in facing and abutting relations to form a square or rectangular 'box section'. With C- sections made from steel it is know that the two parts of a so-formed box section are able to slip longitudinally with respect to one another.

[0071] There may be circumstances where it is desirable for part, or all of each member 2121, 2141, 2161 and 2181 or cross members 2201, 2221, 2241 and 2261 to be solid or partially solid— for instance for extra strength or reinforcement. It is expected that each member will be made of steel box section although this can vary to suit. For instance, the members or cross members may comprise an angled member (such as an L-shaped or C-shaped shaped member or cross member). The members or cross members may be formed with cutouts, slots, openings and the like, for instance to reduce weight or manufacturing cost or to be able to be lifted by a forklift as is the case for openings 2281. Other openings may also be provided to access and service actuators therein. The members or cross members may be formed as a strong and rigid mesh or grid like members or cross members. Each member or cross member may be formed from multiple parts which can be attached together by any suitable means to form the member or cross member. For instance, each member or cross member maycomprise two or more sub parts which can be attached by fasteners or welding or any other suitable means to each other. Alternatively, some form of attachment plate and the like can be used to connect the sub parts together. The sub parts may be identical or different to each other.

[0072] In the embodiment shown, two members 2121 and 2141, for example, are stacked on top of one another and connected by braces 2301. The braces 2301 the braces are arranged in a vertical plane with respect to members 2121 and 2141 (and 2161 and 2181) in order to obtain maximum strength in the weld (and increased lateral strength generally). In addition to providing additional strength, stacking members 2121 and 2141 on top of one another allows for the placement of an actuator (not shown) in the interior of the said cross section that is able to mechanically engage with ground-engaging undercarriages 1081 and 1101, for instance in order to increase or decrease the distance that the carrier frame 1021 can span. In one or more embodiments, the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section. As will be appreciated by those skilled in the art, the "gauge" includes at least one of a narrow gauge, standard gauge, broad gauge or the like. In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails. Advantageously, the accessory 2001 is able to accommodate at least railway gauges of: 1,067 mm (3 ft 6 in), standard: 1,435 mm (4 ft 8+1 / 2 in), and broad: 1,600 mm (5 ft 3 in) and turnouts, switches and crossing sections made up from those gauges. Notionally, the carrier frame 102 is greater than 3 metres in one or more of height, width or length and in an extended state can span approximately 6 meters.

[0073] In one or more embodiments, the accessory 2001 also includes spars 2321 for mounting accessories including LED lighting 2341 adapted to illuminate a working area and various lifting means for connecting rope or chain 2341 to transport the accessory 2001 consisting of an opening for engaging the pin of a D-shackle 2361, for example. However, any suitable shackle may be used, for example, an anchor, bow, twist, pin, snap, or threaded shackle. Suitable locking pins may be used, for example a twist clevis or twist shackle. In the embodiment show, the accessory 2001 includes four lifting means 2341 evenly spaced across the carrier frame 1021 such that it can be lifted by a crane and rigging system.

[0074] The accessory 2001 also includes four twist-locks 2381 for mounting the drive unit 1301. Four twist-locks 2381 are arranged in a rectangular pattern. The twist-locks 2381 are configured to releasably attach, in a manner known in the art, to respective lifting castings of the drive unit 1301. The lifting casting is a corner casting arranged at a corner of the drive unit 1301, which is typical of a drive unit. The lifting casting has a short-side opening, a long-side opening, and a top opening allowing thedrive unit 1301 to be lifted from any direction. The pin 2401 is configured to telescopically translate the twist-locks 2831 along the longitudinal direction L.

[0075] Elements indicated by the remaining reference numerals are the same as the corresponding elements of like reference numerals shown in Figure 1.

[0076] Now turning to Figure 3, in 3001 there is shown a twist lock assembly 2381 welded to the carrier frame 1021. As shown, the twist lock assembly 2381 includes a pin 2401 configured to lock a drive unit 1301 in place. Also shown, is a lifting means 2341 for connecting rope or chain to transport the carrier frame 1021. The lifting means 2341 is fastened to the carrier frame 1021 by welding flange 3021, in this manner the flange 3021 also provides additional strength to the members and cross members making up the frame 1021. As described with reference to Figure 2, the lifting means 2341 includes an opening for engaging the pin of a D-shackle 2361 or other such rigging, for example. As will be appreciated by those skilled in the art the D-shackle 2361 may be used for lifting and hoisting in a conventional manner.

[0077] Elements indicated by the remaining reference numerals are the same as the corresponding elements of like reference numerals shown in Figure 1 and Figure 2.

[0078] Now turning to Figure 4, there is shown a railway undergoing construction or refurbishment 4001. Two vehicles 4021 and 4041, for example, the apparatus 1001 as described with reference to Figure 1, are shown handling an assembled turnout 4061 along the ground and along the railway 4001. The respective ground-engaging undercarriages 1121 on each side of vehicle 4021 and 4041 allow the human operators (not shown) to remotely drive and steer the vehicles independently, but in a coordinated fashion, to carry the turnout 4061 from a delivery location to its installation location, or vice versa. The load is loaded onto and off the vehicles 4021 and 4041 by performing hoist operations with a beam 4081 as described with reference to Figure 5 at both vehicles 4021 and 4041, either sequentially or in parallel.

[0079] Elements indicated by the remaining reference numerals are the same as the corresponding elements of like reference numerals shown in Figure 1.

[0080] Now turning to Figure 5, there is shown a beam 5001 for hoisting assembled track, switch, turnout or crossing section consisting of rails fastened to bearers. The beam 5001 is mechanically connected by coupling 5021 to a hydraulic ram as shown in Figure 4. Extension and retraction of the hydraulic ram lifts the beam 5001, such that a rail component can be lifted or lowered appropriately horizontally. The hydraulic ram may include a tapped hole receiving coaxially a bolt, with a resilientwasher under the bolt head that connects to coupling 5021, for example. Additional, couplings 5041 and 5061 may be provided to stabilize a load from excessive lateral movement or for ease of transportation, and thereby limits the risk of damaging forces being applied either to the vehicle 1001 or the rail. The couplings 5021, 5041 and 5061 are welded to the beam and each include an aperture for either accommodating a hydraulic ram, as is the case for coupling 5021, or the pin of a D-shackle, for example, such that it can be lifted by a crane and rigging system.

[0081] The beam 5001 is substantially l-shaped and includes two members 5081 and 5101 spaced apart and joined by a single cross member 5121. The beam 5001 is formed by a box section steel by welding. However, the members 5081, 5101 and 5121 could be secured by means of bolts.

[0082] In one or more embodiments, the two members 5081 and 5101 include raised portions 5121 to locate at least one an attachment mechanism 5141. The attachment mechanism 5141 is dimensioned to permit lateral movement such that it may be moved and located between adjacent raised portions 5121. Advantageously, in this configuration a variety of rail components can be handled of varying size and form as loads can be conveniently balanced. Accordingly, each attachment mechanism has a handle cutout 5161, in this particular form of the invention the handle cutout is a rounded rectangle shape. The attachment mechanism 5141 is formed from steel plate or similar material capable of withstanding the high stresses and tensile loads and preferably exhibiting a relatively low degree of friction such that it can be moved by hand. In one embodiment, the attachment mechanism 5141 is formed from 10 mm thick steel; however, the thickness of the plate can range between about 5 mm to about 30 mm.

[0083] At the bottom portion 5181 of each attachment mechanism 5141 there is an aperture 5201 dimensioned to receive the pin 5221 of a D-shackle 5241. As is show with reference to Figure 4, the D-shackle can accommodate chain or a sling to hold one or more bearers in the conventional manner.

[0084] Turning to Figure 6, there is shown an apparatus 1002 for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers. The apparatus 1002 includes a bridge-like carrier frame 1022 having two end regions 1042 and 1062. The end regions 1042 and 1062 each engage with a respective ground-engaging undercarriage 1082 and 1102 in each of said end regions 1042 and 1062, the undercarriages 1042 and 1062 support the carrier frame 1022 for mobility (e.g., drive) substantially parallel to a track in the general direction indicated by line 1122. For example, along the ground immediately adjacent to the railway tracks and the buffer zone on either side of the tracks, which is maintained to provide access for maintenance. However, it will be appreciated that theapparatus may also drive on other surfaces including loose or packed dirt roads, sandy surfaces such as deserts, loose gravel roads and paths and so forth. A ram 1142 including a beam 1152 is mounted on the carrier frame 1022, which will be described in greater detail with reference to Figure 7 as is drive unit or engine 1162 and hydraulic system 1182.

[0085] In the embodiment shown, the ground-engaging undercarriages 1082 and 1102 include laterally spaced and substantially parallel track roller frames 1202 and 1222, each having an endless track or chain 1242 mounted on a plurality of idler wheels 1262 and adaptably driven by a powered sprocket 1282 in the usual manner. However, in other embodiments the ground-engaging undercarriages 1082 and 1102 may include a plurality of wheels. Advantageously, in this manner the apparatus 1002 is capable of lifting and handling very wide rail panels, including switches, turnouts or crossing sections over a variety of terrain, including over crushed stone ballast placed beneath and around the bearers as well as the underlying subgrade. The ground-engaging undercarriages 1082 and 1102 also each include two actuators 1302a, 1302b, 1322a, 1322b that are at least partially pneumatically or hydraulically activated (e.g., synchronously) to raise or lower the carrier frame 1022 on a plane substantially parallel to the ground and those skilled in the art will recognise suitable designs for providing the stated functionality, including a lift cylinder supporting the carrier frame 1022 and the ground-engaging undercarriages 1082 and 1102 and a pump cylinder for providing pressurised hydraulic fluid to the lift cylinder.

[0086] Advantageously, being able increase or decrease the height between the carrier frame 1022 and the ground not only makes the apparatus 1002 suitable for stacking and subsequently lifting a variety of panels, it is also convenient to transport.

[0087] The carrier frame 1022 also includes at least one actuator (not shown) 1342 that increases or decreases the width 1362 between the respective ground-engaging undercarriages 1082 and 1102. The actuator 1342 may also include one or more of electric motors, gearboxes and one or more mechanical means of incrementally sliding, pushing, pulling, and rotating one or more components of the carrier frame 1022. The actuator may include a piston that is at least partially pneumatically activated or electrically activated via a screw jack, as may be the case for linear actuators. Advantageously, being able increase or decrease the width 1362 between the undercarriages 1082 and 1102 not only makes the apparatus 1002 suitable for lifting a variety of panels, but it is also convenient to transport on a truck, train or the like.

[0088] In the embodiment shown, the actuator 1342 is also adapted to increase or decrease a width 1372 between one of the ground-engaging undercarriages and the ram. For example, betweenthe centre of the piston rod extending out of the ram and transmits the force generated by the hydraulic pressure to the beam or load being moved, and the undercarriage. Advantageously, in the manner the load is able to be moved laterally (e.g., laterally with respect to a railway undergoing construction or refurbishment) allowing for precise placement of the load, but it also allows for assembled switch, turnout or crossing section to be setup adjacent to the railway and then put in place by increasing or decreasing the distance between the ram and either undercarriage.

[0089] The hydraulics, collectively form the hydraulic system 1182, that is driven by engine 1162 in the usual manner, for example, the hydraulic system can include a hydraulic pump that is powered by a diesel engine to convert mechanical energy into hydraulic energy by pressurising hydraulic fluid. Common types of hydraulic pumps include gear pumps, vane pumps, and piston pumps. Those skilled in the art will recognise that the hydraulic system may include hydraulic actuators and valves for effectuating lifting, extending, tilting, and sideways motions of the apparatus 1002. The hydraulic system 1182 also includes a reservoir that stores the hydraulic fluid and helps dissipate heat generated during the hydraulic system's 1182 operation as is known in the art.

[0090] Several hydraulic lines from the hydraulic system 1182 are connected to the various actuators as described above via flexible hose tracks 1172. As will be appreciated by those skilled in the art flexible hose track 1172 is a guiding system designed to manage and protect flexible hoses, cables, or tubing that need to move along with apparatus 1002. As shown, the track 1172 consists of a series of interconnected segments or links that form a flexible yet structured pathway. This track 1172 allows for smooth, controlled movement in multiple directions while preventing the hoses from kinking, tangling, or getting damaged. The design of the track ensures that the hoses follow a consistent path, reducing wear and tear, and increasing the lifespan of the hoses.

[0091] In one or more embodiments, the engine 1162 is configured to be field replaceable. That is, the engine 1162 is designed for easy and efficient swapping in and out of the apparatus 1002 directly in the field without requiring a fully equipped workshop. The engine 1002 is modular, with standardised connections and mounting points, allowing it to be quickly detached from the carrier frame 1022 and surrounding systems such as the fuel supply, cooling system, and exhaust. Quick-release fittings, plug- and-play electrical connectors, and pre-aligned mounts are used to streamline the process. This design minimises the need for specialised tools and reduces the time and labour required for engine 1162 replacement, which is particularly beneficial in remote locations or time-sensitive situations such as those frequently encountered in rail operations.

[0092] Similarly, the hydraulic system 1182 may also be configured to be field replaceable in that it features modular components, such as hydraulic pumps, cylinders, hoses, and valves, with standardised fittings and quick-release couplings to facilitate easy disassembly and reassembly.

[0093] Now turning to Figure 7, there is shown a detailed view of the carrier frame 1022. In this particular form of the invention, the carrier frame 1022 may also be provided as an accessory in that it is separate to the engine or drive unit 1162, the hydraulic system 1182 and the respective groundengaging undercarriages 1082 and 1102 as described with reference to Figure 6, which may be commercially available off-the-shelf (COTS) items. The carrier frame 1022 has two end regions 1042 and 1062 respectively. The two end regions 1042 and 1062 of the framer carrier 1022 include apertures 2022, 2042, 2062 and 2082 for engaging with respective ground-engaging undercarriages. The apertures 2022, 2042, 2062 and 2082 are substantially rectangular in cross section and include pads (not shown) arranged therein to reduce friction and wear when engaging with the respective groundengaging undercarriages 1082, 1102. In a number of embodiments, the pads are metal and serve to reduce the surface area of metal-to-metal contact. However, the pads may also be a polymer, such as polyethylene, nylon or derivatives thereof.

[0094] The carrier frame 1022 is largely constructed from welded metal box section members 2122, 2142, 2162 and 2182 section strengthened by cross members 2202, 2222, 2242 and 2262. The metal box section may be formed from steel having a hollow cross-section with a longest side of the box section 2122 being arranged to be in a substantially horizontal orientation when the frame carrier 1022 is deployed over a railway track, for example. Cross members 2202, 2222, 2242 and 2262 space members 2122 and 2142 from members 2162 and 2182, thereby creating a substantially rectangular carrier frame 1022. The cross members may be of any suitable length. This will depend, inter alia, on the length of the rail item to be handled and in turn the length of the undercarriage and what equipment needs to be supported by the carrier frame 1022. Other rigid metal members may also be included for additional strength, for example diamond plate 2272. Here, diamond plate has been selected to provide increased traction, making it ideal for use in environments where safety is a concern, walkways, that may be accessed by ladder 2032, for example. The raised pattern also adds strength and rigidity to the plate, allowing it to withstand heavy loads and rough use. The box section lengths 2142 and 2162 may act as sleeves for the respective ground-engaging undercarriages 1082 and 1102. Alternatively, C-sections may be placed in facing and abutting relations to form a square or rectangular 'box section'. With C-sections made from steel it is know that the two parts of a so-formed box section are able to slip longitudinally with respect to one another.

[0095] There may be circumstances where it is desirable for part, or all of each member 2122, 2142, 2162 and 2182 or cross members 2202, 2222, 2242 and 2262 to be solid or partially solid— for instance for extra strength or reinforcement. It is expected that each member will be made of steel box section although this can vary to suit. For instance, the members or cross members may comprise an angled member (such as an L-shaped or C-shaped shaped member or cross member). The members or cross members may be formed with cutouts, slots, openings and the like, for instance to reduce weight or manufacturing cost or to be able to be lifted by a forklift as is the case for openings 2282. Other openings may also be provided to access and service actuators therein. The members or cross members may be formed as a strong and rigid mesh or grid like members or cross members. Each member or cross member may be formed from multiple parts which can be attached together by any suitable means to form the member or cross member. For instance, each member or cross member may comprise two or more sub parts which can be attached by fasteners or welding or any other suitable means to each other. Alternatively, some form of attachment plate and the like can be used to connect the sub parts together. The sub parts may be identical or different to each other.

[0096] In the embodiment shown, two members 2122 and 2142, for example, are stacked on top of one another and connected by braces 2302. The braces 2302 are arranged in a vertical plane with respect to members 2122 and 2142 (and 2162 and 2182) in order to obtain maximum strength in the weld (and increased lateral strength generally). In addition to providing additional strength, stacking members 2122 and 2142 on top of one another allows for the placement of an actuator (not shown) in the interior of the said cross section that is able to mechanically engage with ground-engaging undercarriages 1082 and 1102, for instance in order to increase or decrease the distance that the carrier frame 1022 can span. In one or more embodiments, the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section. As will be appreciated by those skilled in the art, the "gauge" includes at least one of a narrow gauge, standard gauge, broad gauge or the like. In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails. Advantageously, the accessory 2002 is able to accommodate at least railway gauges of: 1,067 mm (3 ft 6 in), standard: 1,435 mm (4 ft 8+1 / 2 in), and broad: 1,600 mm (5 ft 3 in) and turnouts, switches and crossing sections made up from those gauges. Notionally, the carrier frame 1022 is greater than 3 metres in one or more of height, width or length and in an extended state can span approximately 6 meters.

[0097] In one or more embodiments, the carrier frame 1022 also includes spars 2322 for mounting accessories including LED lighting 2342 adapted to illuminate a working area and various lifting means for connecting rope or chain 2342 to transport the apparatus 1002 consisting of an opening for engaging the pin of a D-shackle 2362, for example. However, any suitable shackle may beused, for example, an anchor, bow, twist, pin, snap, or threaded shackle. Suitable locking pins may be used, for example a twist clevis or twist shackle. In the embodiment shown, the carrier frame 1022 includes four lifting means 2342 evenly spaced across the carrier frame 1022 such that it can be lifted by a crane and rigging system.

[0098] The carrier frame 1022 may also include twist-locks (not shown) for mounting the engine or drive unit 1162. Four twist-locks may be arranged in a rectangular pattern. The twist-locks are configured to releasably attach, in a manner known in the art, to respective lifting castings of the drive unit 1162. The lifting casting is a corner casting arranged at a corner of the engine or drive unit 1182, which is typical of an engine or drive unit 1162. The lifting casting has a short-side opening, a long-side opening, and a top opening allowing the engine or drive unit 1162 to be lifted from any direction. A pin may be configured to telescopically translate the twist-locks along a longitudinal direction.

[0099] Similarly, the ram 1142 and hydraulic system 1182 are attached in a similar manner as described above making the apparatus 1002 field serviceable. For example, four locking pins 2382a, 2382b, 2382c (and 2382d obscured) may used to connect the ram to the carrier frame 1202 securely and quickly, ensuring they remain in place during operation while also allowing for easy removal when necessary. The process typically involves aligning the ram 1142 with the corresponding mounting points on the carrier frame, where pre-drilled holes or slots are located. These holes are designed to match the diameter of the locking pins, ensuring a snug and secure fit.

[0100] Once the attachment is properly aligned, the locking pins are inserted through the aligned holes of both the apparatus 1002 and the ram 1142. These pins 2382a, 2382b, 2382c (and 2382d obscured) may be straight or have a tapered design to facilitate easier insertion. After insertion, a retaining mechanism, such as a spring-loaded ball detent, a cotter pin, or a lynch pin, is used to prevent the locking pin from slipping out of place. This ensures that the attachment remains securely connected to the apparatus 1002 during use, even under significant load or vibration.

[0101] The ram 1142, when supported in the manner described above the lift capacity of the main cylinder can be set to lift approximately 13,600kg which gives the apparatus an approximate lift capacity of 12,500kg as the lifting beam 1152 is in the order of 1,100kg.

[0102] Elements indicated by the remaining reference numerals are the same as the corresponding elements of like reference numerals shown in Figure 6.

[0103] Figures 8a, 8b and 8c, show how the apparatus 1002 may be moved laterally. Here, lateral movement refers to motion that occurs along the side-to-side axis, perpendicular to a forward orbackward direction. This type of movement involves shifting from one side to another, rather than moving forward or backward along the track roller frames 1202 and 1222, for example.

[0104] Now turning to Figure 8a, there is shown apparatus 1002 with the beam 1152 and undercarriages 1082 and 1102 each in contact with the ground 3022. The ram is positioned off-centre between the undercarriages as undercarriage 1082 is fully extended, whereas undercarriage 1102 is not extended.

[0105] Now turning to Figure 8b, there is shown apparatus 1002 with the beam 1152 in contact with the ground 3022. Undercarriages 1082 and 1102 are not in contact with the ground 3022 because the ram is in an extended state such that it has lifted the undercarriages 1082 and 1102 off the ground 3022. The ram is positioned off-centre between the undercarriages as undercarriage 1102 is fully extended (i.e., it has been extended), whereas undercarriage 1082 is not extended (i.e., it has been retracted).

[0106] In this particular form of the invention, the apparatus 1002 may also be rotated about an axis that is perpendicular to the ground indicated by arrow 3042. This rotation involves the carrier frame 1022 and undercarriages 1082, 1102 spinning around a vertical line 3062 extending upward from the ground 3022 (or a ground plane) supported by the beam 1152 or load. An operator may rotate the apparatus 1002 manually via ropes or the like. Advantageously, this rotation can be useful in loading the apparatus 1002 onto the trailer of a truck, or the like as will be described with reference to Figure 11.

[0107] Now turning to Figure 8c, there is shown apparatus 1002 with undercarriages 1082 and 1102 each in contact with the ground 3022. The beam 1152 is no longer in contact with the ground 3022 and the apparatus can be driven forward or backward along the track roller frames.

[0108] By repeating the above movements, the apparatus 1002 can move akin to how a crab moves, hence the name "crabwalk." It allows the apparatus 1002 to maintain its forward-facing direction while shifting laterally, which can be highly advantageous in tight spaces or when precise positioning is required.

[0109] Now turning to Figure 8d, there is shown apparatus 1002 with the beam 1152 in contact with a portion of the assembled track, switch, turnout, crossing section 3062. Undercarriages 1082 and 1102 are not in contact with the ground 3022 because the ram 1142 is in an extended state such that it has lifted the undercarriages 1082 and 1102 off the ground 3022. The ram is positioned off-centre between the undercarriages as undercarriage 1102 is fully extended (i.e., it has been extended),whereas undercarriage 1082 is not extended (i.e., it has been retracted). Advantageously, the load, for example, a turnout or crossing section 3062 consisting of rails 3082 fastened to bearers 3102 may be used as a pad to support the apparatus 1002 when the undercarriages 1082, 1102 are raised off the ground 3022. Making use of the bearers' 3102 ability to distribute load as they do for trains by spreading the weight of the train across a larger area of the track bed, reducing the pressure on the ballast and subgrade, which helps prevent track deformation and subsidence is also useful in this application.

[0110] Now turning to Figure 9, there is shown a railway undergoing construction or refurbishment 4002. Two vehicles 4022 and 4042, for example, the apparatus 1002 as described with reference to Figure 6, are shown handling an assembled turnout 4062 along the ground and along the railway 4002. The respective ground-engaging undercarriages 1122 on each side of vehicle 4022 and 4042 allow the human operators (not shown) to remotely drive and steer the vehicles independently, but in a coordinated fashion, to carry the turnout 4062 from a delivery location to its installation location, or vice versa. The load is loaded onto and off the vehicles 4022 and 4042 by performing hoist operations with a beam 4082 as described with reference to Figure 10 at both vehicles 4022 and 4042, either sequentially or in parallel.

[0111] First, the turnout 4062 which consists of pre-assembled sections of rail and bearers, is lifted off the ground or a transport vehicle by the ram 1142. The two vehicles 4022 and 4042 then align themselves parallel to each other straddling the turnout 4062, and their operators communicate continuously to ensure synchronised movement. Using the rams 1142 equipped with clamps or hooks on beam 1152, the rams lift the turnout 4062, preventing any undue stress or bending. Control systems and sensors may aid in maintaining the correct balance and positioning throughout the lifting process.

[0112] Once the turnout 4062 is securely lifted, the two vehicles 4022 and 4042 move in unison substantially parallel to the direction of a track being laid or refurbished. For example, along the ground immediately adjacent to the railway tracks and the buffer zone on either side of the tracks, which is maintained to provide access for maintenance. The turnout 4062 is then positioned accurately over the prepared ballast bed. Precise coordination is crucial to ensure the panel is placed correctly without misalignment or damage. The operators, guided by laser leveling systems or GPS, lower the panel onto the ballast slowly and evenly. Advantageously, adjustments can be made in real-time to ensure the turnout 4062 is perfectly aligned with adjoining sections by increasing or decreasing the width between the ram 1142 and the respective undercarriages 1082 and 1102. Once the panel is in place, workers may further secure and adjust it to ensure proper integration with the existing track. This synchronised operation between the two vehicles 4022 and 4042 not only enhances efficiency but also ensures the safety and integrity of the rail installation process.

[0113] Being able to increase or decrease the width between the ram 1142 and the respective undercarriages 1082 and 1102, also provides an advantage in that the load is able to be moved laterally (e.g., laterally with respect to a railway undergoing construction or refurbishment) allowing for precise placement of the load, but it also allows for assembled switch, turnout or crossing sections to be setup adjacent to the railway and then put in place by increasing or decreasing the distance between the ram and either undercarriage, thereby enhancing efficiency and integrity of the rail installation process.

[0114] Elements indicated by the remaining reference numerals are the same as the corresponding elements of like reference numerals shown in Figure 6.

[0115] Now turning to Figure 10, there is shown a beam 5002 for hoisting assembled track, switch, turnout or crossing section consisting of rails fastened to bearers. The beam 5002 is mechanically connected by coupling 5022 to a hydraulic ram as shown in Figure 9. Extension and retraction of the hydraulic ram lifts the beam 5002, such that a rail component can be lifted or lowered appropriately horizontally. The hydraulic ram may include a tapped hole receiving coaxially a bolt, with a resilient washer under the bolt head that connects to coupling 5022, for example. Additional, couplings may also be provided to stabilize a load from excessive lateral movement or for ease of transportation, and thereby limits the risk of damaging forces being applied either to the apparatus 1002 or the rail. The coupling 5022 is welded to the beam 5022 and includes an aperture for either accommodating a hydraulic ram, as is the case for coupling 5022, or the pin of a D-shackle, for example, such that it can be lifted by a crane and rigging system.

[0116] The beam 5002 is substantially l-shaped and includes two members 5082 and 5102 spaced apart and joined by a single cross member 5122. The beam 5002 is formed by a box section steel by welding. However, the members 5082, 5102 and 5122 could be secured by means of bolts.

[0117] In one or more embodiments, the two members 5082 and 5102 include raised portions 5122 to locate at least one an attachment mechanism 5142. The attachment mechanism 5142 is dimensioned to permit lateral movement such that it may be moved and located between adjacent raised portions 5122. Advantageously, in this configuration a variety of rail components can be handled of varying size and form as loads can be conveniently balanced. Accordingly, each attachment mechanism has a handle cutout 5162, in this particular form of the invention the handle cutout is a rounded rectangle shape. The attachment mechanism 5142 is formed from steel plate or similar material capable of withstanding the high stresses and tensile loads and preferably exhibiting a relatively low degree of friction such that it can be moved by hand. In one embodiment, the attachmentmechanism 5142 is formed from 10 mm thick steel; however, the thickness of the plate can range between about 5 mm to about 30 mm.

[0118] At the bottom portion 5182 of each attachment mechanism 5142 there is an aperture 5202 dimensioned to receive the pin 5222 of a D-shackle 5242. As is shown with reference to Figure 9, the D-shackle can accommodate chain or a sling to hold one or more bearers in the conventional manner.

[0119] In one or more embodiments, the beam 5002 includes four stabilising legs 5262 at the ends of each member 5082 and 5102. The stabilising legs 5262, often referred to as outriggers, are designed to enhance the apparatus' 1002 stability during lifting operations. As shown, these legs 5262 extend outward from the beam 5002 and are equipped with pads or footplates 5282 that make contact with the ground, effectively widening the beam's 5002 base. By distributing the apparatus' 1002 weight and the load's force over a larger area, stabilising legs 5262 prevent the apparatus from tipping over, especially when the carrier frame is off-centre. The stabilising legs may be hydraulically or manually operated, allowing for easy extension and retraction, and may be adjusted to different heights to accommodate uneven terrain. The stabilising legs 5262 are deployed before lifting operations commence, ensuring the apparatus remains balanced and secure, even under challenging conditions.

[0120] In the embodiment shown, the stabilising legs 5262 include a locking pin arrangement used to adjust and secure the height of the stabilising legs 5262, such as a telescoping leg. The arrangement consists of a series of holes drilled along the length of the stabilising legs 5262 and a locking pin that fits into these holes to set the desired height.

[0121] To adjust the height, the user pulls out the locking pin, allowing the adjustable section to slide freely. Once the desired height is reached, the holes in the adjustable section are aligned with a corresponding hole in the fixed section, and the locking pin is inserted through the aligned holes. This secures the component at the selected height, preventing it from moving or collapsing under load. The locking pin may include a spring-loaded mechanism or a retaining clip to keep it securely in place, ensuring that the pin doesn't accidentally dislodge during operation.

[0122] In place of the stabilising legs 5262, the load, for example, track section consisting of rails fastened to bearers may be used as a pad to support the apparatus when the undercarriages are raised off the ground. Making use of the bearers' ability to distribute load as they do for trains (by spreading the weight of the train across a larger area of the track bed, reducing the pressure on the ballast and subgrade, which helps prevent track deformation and subsidence) is also useful in this application.

[0123] Figures 11a, lib and 11c, show how the apparatus 1002 may be loaded onto a truck 6022 in plan view.

[0124] Now turning to Figure 11a, with both undercarriages extended, the apparatus may be driven to straddle the trailer 6042 of truck 6022. When the apparatus 1002 straddles the truck trailer 6042, it is positioned so that its carrier frame 1022 extend over both sides of the trailer, with its central ram 1142 part aligned along the length of the trailer bed. Typically, the apparatus' tracks 1202, 1222, will rest on the ground. However, in some circumstances the tracks 1202, 1222 will rest on the outer edges or sides of the trailer, while the carrier frame 1022 and ram 1142, hovers above the trailer's deck. This configuration is often used for large or wide equipment that is too big to fit completely within the confines of the trailer's width, allowing for stable transport while maximizing space and ensuring proper weight distribution.

[0125] Now turning to Figure lib, the apparatus 1002 can extend the ram 1142 such that the undercarriages 1082, 1102 are lifted off the ground, further the undercarriages can also be raised such that the tracks 1202, 1222 are just above a plane parallel to the surface of the truck trailer 6042. The apparatus 1002 can now be rotated on its central ram 1142 part aligned along the length of the trailer bed. Now, the apparatus' tracks 1202, 1222, can be put to rest on the surface of the trailer 6042 perpendicular to their initial position described in Figure 11a.

[0126] Now turning to Figure 11c, the apparatus 1002 can be lowered close to the trailer 6042 to further reduce the height and centre of gravity (preferably in a way that balances the weight evenly over the trailer's axles). The apparatus 1002 can then be secured with heavy-duty chains or straps, attaching them to designated tie-down points on both the apparatus and the trailer.

[0127] Where the terms "comprise", "comprises", "comprised" or "comprising" are used in this specification (including the claims) they are to be interpreted as specifying the presence of the stated features, integers, steps or components, but not precluding the presence of one or more other features, integers, steps or components, or group thereof.

[0128] While the invention has been described in conjunction with a limited number of embodiments, it will be appreciated by those skilled in the art that many alternatives, modifications and variations in light of the foregoing description are possible. Accordingly, the present invention is intended to embrace all such alternative, modifications and variations as may fall within the spirit and scope of the invention as disclosed.

Claims

The claims defining the invention are as follows:

1. Apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers, the apparatus comprising: a bridge-like carrier frame having two end regions, a respective ground-engaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section.

2. The apparatus of claim 1, wherein the carrier frame further comprises at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages.

3. The apparatus of claim 2, wherein the at least one actuator includes a hydraulic ram.

4. The apparatus of any one of claims 1 to 3, wherein the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section.

5. The apparatus of claim 4, wherein the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge.

6. The apparatus of any one of claims 1 to 5, wherein the carrier frame is greater than 3 metres in one or more of height, width or length.

7. The apparatus of any one of claims 1 to 6, wherein the ground-engaging undercarriage includes rollers.

8. The apparatus of any one of claims 1 to 7, wherein the carrier frame comprises metal box section.

9. The apparatus of claim 8, wherein the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages.

10. The apparatus of any one of claims 1 to 9, wherein the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

11. The apparatus of any one of claims 1 to 10, wherein the width between the respective groundengaging undercarriages in the apparatus' extended state is approximately 5m.

12. The apparatus of any one of claims 1 to 11, wherein the hosting means holds the assembled track, switch, turnout or crossing section with one or more of a sling, chain or gripping mechanism.

13. An accessory for a railway maintenance vehicle, the accessory comprising: a bridge-like carrier frame having two end regions, the carrier frame adapted to engage with respective ground-engaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section.

14. The accessory of claim 13, wherein the carrier frame further comprises at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages.

15. The accessory of claim 14, wherein the at least one actuator includes a hydraulic ram.

16. The accessory of any one of claims 13 to 15, wherein the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, switch, turnout or crossing section.

17. The accessory of any one of claims 16, wherein the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge.

18. The accessory of any one of claims 13 to 17, wherein the carrier frame is greater than 3 metres in one or more of height, width or length.

19. The accessory of any one of claims 13 to 18, wherein the carrier frame comprises metal box section.

20. The accessory of claim 19, wherein the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages.

21. The accessory of any one of claims 13 to 20, wherein the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

22. The accessory of any one of claims 13 to 21, wherein the width between the respective groundengaging undercarriages in the apparatus' extended state is approximately 5m.

23. The accessory of any one of claims 13 to 22, wherein the hosting means holds the assembled track, switch, turnout or crossing section with one or more of a sling, chain or gripping mechanism.

24. A method of handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in the vicinity of a railway undergoing construction or refurbishment, the method comprising: providing at least two vehicles each vehicle comprising: a bridge-like carrier frame having two end regions, a respective ground-engaging undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility substantially perpendicular to a track, a hoisting means mounted on the carrier frame between the end regions, the hoisting means including a beam for holding the assembled track, switch, turnout or crossing section; supporting a portion of the assembled track, switch, turnout, crossing section or other load partially on the hoisting means of each vehicle; and driving and steering the vehicles in a co-ordinated manner to transport the load to a desired location in the vicinity of the railway.

25. Apparatus for handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers, the apparatus comprising: a carrier frame having two end regions, respective ground-engaging undercarriages supported by each of the end regions, the undercarriages supporting the carrier frame for movement in a first direction, a ram mounted on the carrier frame between the end regions, the ram including a beam configured for handling the assembled track, switch, turnout or crossing section, wherein the ram is further configured to raise at least one of the undercarriages off the ground to permit movement of the carrier frame in a second direction.

26. The apparatus of claim 25, wherein the first direction is substantially parallel to the direction of a track being laid or refurbished.

27. The apparatus of claim 25 or 26, wherein the second direction is substantially perpendicular to the direction of the track being laid or refurbished.

28. The apparatus of any one of claims 25 to 27, wherein the ram is further configured to raise both ground-engaging undercarriages off the ground.

29. The apparatus of claim 28, wherein the ram is further configured to permit rotation of the carrier frame about an axis that is perpendicular to the ground.

30. The apparatus of any one of claims 25 to 29, wherein the carrier frame includes at least one actuator adapted to increase or decrease a width between the respective ground-engaging undercarriages.

31. The apparatus of any one of claims 25 to 30, wherein the carrier frame includes at least one actuator adapted to increase or decrease a width between one of the ground-engaging undercarriages and the ram.

32. The apparatus of any one of claims 25 to 31, wherein at least one of the ground-engaging undercarriages includes at least one actuator adapted to increase or decrease a height between the carrier frame and the ground.

33. The apparatus of any one of claims 31 to 32, wherein the at least one actuator includes a hydraulic ram.

34. The apparatus of any one of claims 25 to 33, wherein the carrier frame is dimensioned such that it can span at least two rails of a railway track having a gauge, a switch, a turnout or a crossing section.

35. The apparatus of claim 34, wherein the gauge includes at least one of a narrow gauge, standard gauge, or broad gauge.

36. The apparatus of any one of claims 25 to 35, wherein the ground-engaging undercarriages include rollers.

37. The apparatus of any one of claims 25 to 36, wherein the carrier frame comprises metal box section.

38. The apparatus of claim 37, wherein the metal box section is dimensioned to receive at least a portion of the respective ground-engaging undercarriages in a telescoping relationship.

39. The apparatus of any one of claims 25 to 38, wherein the carrier frame includes at least one aperture for locating the carrier frame between the respective ground-engaging undercarriages.

40. A method of handling assembled track, switch, turnout or crossing section consisting of rails fastened to bearers in the vicinity of a railway undergoing construction or refurbishment, the method comprising: providing at least two vehicles each vehicle comprising: a carrier frame having two end regions, respective ground-engaging undercarriages supported by each of the end regions, the undercarriages supporting the carrier frame for movement in a first direction, a ram mounted on the carrier frame between the end regions, the ram including a beam configured for handling the assembled track, switch, turnout or crossing section, wherein the ram is further configured to raise at least one of the undercarriages off the ground to permit movement of the carrier frame in a second direction,supporting a portion of the assembled track, switch, turnout, crossing section or other load partially on the beam of each vehicle; and driving and steering the vehicles in a co-ordinated manner to transport the load to a desired location in the vicinity of the railway.

41. The method of claim 40, further comprising lowering the supported portion of the assembled track, switch, turnout, crossing section or other load to the ground and raising at least one of the undercarriages off the ground to permit movement of the carrier frame in a second direction.

Images