326results about "Rails" patented technology

The invention relates to an expansion joint (10) for connecting regions of a rail-based grid storage system (50, 50′, 50″; 104, 104′, 104″), the expansion joint (10) comprising: —a first rail element (12) and a second rail element (11), the rail elements (12, 11) being elongate and configured to slide relative to one another in a longitudinal direction in a junction area where they overlap, —the expansion joint (10) having a profiled upper surface that defines one or more tracks (27′, 27″) for supporting container handling vehicles (200, 300, 400), the tracks (27′, 27″) extending from the first rail element (12) through the junction area to the second rail element (11), wherein in the junction area, each rail element (11, 12) provides a portion of the or each track (27′, 27″) of the profiled upper surface so that there is a transition extending along the expansion joint (10) from the first rail element (12) to the second rail element (10) for the or each track (27′, 27″). The invention further relates to an automated storage and retrieval system comprising said expansion joint (10) and a method of connecting regions (50, 50′, 50″; 104, 104′, 104″) of a rail-based grid storage system and / or delivery rail system using one or more of the expansion joints (10)

The invention discloses welding positioning equipment for an elevator sliding guide shoe, and relates to the technical field of welding positioning. A plurality of positioning holes are symmetrically formed in the top of the base at equal intervals. A driving assembly is arranged on the left side of the base. An electric sliding rail is arranged at the top of one end of the back face of the base. A control assembly is arranged in the electric sliding rail. A transmission assembly is arranged above the control assembly. An anti-gap device is arranged on the top of the base. Fixed-point and fixed-position welding of workpieces is achieved, horizontal limiting is conducted on the two sides of the outer walls of the workpieces through L-shaped straight plates, it is guaranteed that the workpieces are horizontally arranged side by side and combined for welding work, meanwhile, limiting and stabilizing are conducted by means of the outer walls of telescopic positioning columns matched with bolt holes of the workpieces, and vibration generated during equipment operation is avoided; and a tiny gap is generated between the two workpieces to be welded, so that the welding firmness is reduced.

The invention relates to the technical field of welding, in particular to railway track laying welding equipment which comprises an adjusting and supporting mechanism, a polishing mechanism and a welding mechanism. The adjusting and supporting mechanism is fixed to the two rail bodies with the gap and can adjust the two rail bodies with the gap to the proper distance. The grinding mechanism can slide longitudinally and transversely relative to the adjusting and supporting mechanism. And the welding mechanism is used for welding a welding seam between the two rail bodies. The grinding mechanism comprises a grinding part and a collecting cover with a magnetic adsorption part on the inner side, the adsorption cover collects chippings generated by grinding, and a cleaning wheel is arranged at the edge position of the collecting cover and can clean the chippings attached to the welding seam and enable the chippings to be adsorbed to the magnetic adsorption part on the inner side of the collecting cover. The problem of residue of grinding scraps can be reduced, slag inclusion during welding is eliminated, the welding quality of the railway track is improved, and the service life of the railway track is prolonged.

A rail including a predetermined chemical composition is provided, in which 90 area % or greater of a metallographic structure in a cross section of a rail web portion is a pearlite structure, a minimum value of a hardness in the cross section of the rail web portion is Hv 300 or greater, and a difference between a maximum value and the minimum value of the hardness in the cross section of the rail web portion is Hv 40 or less.

The invention provides a machine tool guide rail welding device with detection structures, and relates to the technical field of welding equipment.The machine tool guide rail welding device comprises a mounting mechanism, a limiting rod is taken down from a base body, two movable frames are made to move towards the middle at the same time, whether the detection rods on the detection mechanisms on the two sides can be inserted into detection holes in the detection mechanisms on the opposite sides or not is observed, and if yes, the detection mechanism is started; by means of the design, the traditional complicated detection process is abandoned, the detection time is greatly shortened, and the problems that an existing welding device is lack of a built-in auxiliary detection structure, and after the guide rails are welded, the welding quality is checked, and the detection efficiency is greatly improved are solved. In the prior art, a user has to implement evaluation by means of an external special detection device, so that the capital investment of an enterprise for purchasing professional detection equipment is additionally increased, and the links of equipment preparation, operation, data reading and analysis and the like before and after each detection consume a lot of time, and the overall production and processing efficiency is greatly reduced.

The flash welding mechanism comprises a static frame clamp, a movable frame clamp, an upsetting cylinder, a first clamping cylinder, a second clamping cylinder and a center shaft, a rail top block is installed on the center shaft, a first clamping piece comprises an outer side electrode and an abutting piece, and firstly, a first side face abuts against the rail head side face of the variable-section steel rail; then, the abutting end abuts against the rail head lower jaw of the variable-section steel rail, the spring is installed on the installation end and the outer side electrode in a compressed mode, and the bolt is installed at the installation end in a threaded mode; and finally, the variable-cross-section steel rail is clamped through the first clamping piece, the normal steel rail is clamped through the second clamping piece, the upsetting cylinder drives the upsetting piston rod, and flash welding of the normal steel rail and the variable-cross-section steel rail is achieved. The flash welding mechanism for the variable-cross-section steel rail can clamp and weld the variable-cross-section steel rail.

The invention relates to a medical imaging system (1) comprising a computer tomography gantry (20), a carriage (F), a main rail system (L) and a safety rail system (S), - wherein the computer tomography gantry (20) is movably mounted by means of the carriage (F) and the main rail system (L) such that a translational movement of the computer tomography gantry (20) can be carried out along the main rail system (L), - wherein the carriage (F) and the main rail system (L) are designed to transmit a drive force for the translational movement of the computed tomography gantry (20) from the carriage (F) to the main rail system (L) in a force-locking manner, - wherein the safety rail system (S) comprises at least one safety rail (SL) and at least one coupling element (KO), wherein the at least one safety rail (SL) is arranged on a floor section and is aligned in the same direction as the main rail system (L), wherein the coupling element (KO) is arranged on the carriage (F) or on the computed tomography gantry (20), wherein the coupling element (KO) is connected to the safety rail (SL) by means of a rear grip and / or in a form-fitting manner to prevent the computed tomography gantry (20) from tipping over.

The utility model relates to the technical field of rail transit, in particular to a double-end I-shaped steel type anti-falling guardrail which comprises a guardrail support, a walking rail and an I-shaped steel guardrail body. The I-shaped steel guard rail is clamped at the top of the insulating sleeve boot type elastic cushion block and fastened on the guard rail support through a detachable fastening mechanism, the walking rail is locked on the guard rail support through a locking mechanism, and the portion, making contact with the guard rail support, of the bottom of the walking rail is sleeved with an insulating spacer. The service life is doubled, meanwhile, the structural stability is higher than that of a single working face, meanwhile, the insulating property is high, the requirement for track circuit laying is lowered, the safety of a track circuit is further guaranteed, and therefore cross-signal-area laying can be conveniently conducted.

Transport system (100, 200, 300, 400, 500) for moving loads on a surface, comprising at least one rail track and at least one transport vehicle (50) running on wheels (12, 12A) on the rail track, characterized in that the rail track comprises a solitary rail (10, 312, 314, 412, 414, 512, 514) for receiving the load of the transport vehicle (50), that the transport vehicle (50) comprises at least one front wheel (12) and at least one rear wheel (12A), each bearing a tread (14) with a concave cross-section in the direction of travel one behind the other on the rail (10, 312, 314, 412, 414, 512, 514), and that the transport vehicle (50) further comprises support rollers (52A, 52B) includes, which are arranged on both sides of the front and rear wheels (12, 12A) and run on the ground on both sides of the rail (10, 312, 314, 412, 414, 512, 514).

The utility model relates to the technical field of rail traffic, in particular to an eccentric support type anti-falling guard rail which comprises a guard rail support, a walking rail and a guard rail, the walking rail is vertically locked at the middle bottom of the guard rail support through a first locking mechanism, a guard rail eccentric support with the top sleeved with an elastic sleeve shoe is arranged at the top of one side of the guard rail support in a clamped mode, and the elastic sleeve shoe is arranged on the guard rail eccentric support. The guard rail and the guard rail eccentric support are horizontally locked at the top of one side of the guard rail support through the second locking mechanism, the guard rail eccentric support and the elastic sleeve shoe are adopted to solve the problem that original cushion blocks are large in model number and prone to falling off, the transverse load is increased, the guard rail strength of the guard rail is further guaranteed, and the service life of the guard rail is prolonged. The eccentric support type anti-falling guard rail is convenient to install and not prone to falling off, meanwhile, the installation height is kept constant, the transverse load is high, and the strength of the guard rail is high.

The invention discloses a railway turnout plate cutting device which comprises a support, a mounting part is movably connected to the support, a laser cutting body is vertically arranged on the mounting part, a sliding frame is arranged on the mounting part, the sliding frame is slidably connected with the mounting part in the vertical direction, and the sliding frame is fixedly connected with the laser cutting body. A first screw rod is vertically arranged on the mounting part, the first screw rod is rotatably connected with the mounting part, two clamping assemblies are arranged on the support, each clamping assembly comprises an upper clamping plate and a lower clamping plate, a second screw rod is rotatably connected to the support, and the second screw rod is vertically arranged on the upper clamping plate and the lower clamping plate in a penetrating mode; the upper clamping plate and / or the lower clamping plate are / is connected with the second screw rods in a matched mode through threads, and a first transmission assembly is arranged between any second screw rod and the first screw rod. The laser cutting device aims at solving the technical problems that under the action of external force, the position of a metal plate is prone to change, and the distance between the laser cutting device and the metal plate cannot be adaptively adjusted according to the thickness of the metal plate.

The invention relates to an expansion joint for connecting regions of a rail-based grid storage system, the expansion joint comprising: a first rail element and a second rail element, the rail elements being elongated and configured to slide relative to one another in a longitudinal direction in a junction area where they overlap, the expansion joint having a profiled upper surface that defines one or more tracks for supporting container handling vehicles, the tracks extending from the first rail element through the junction area to the second rail element, wherein in the junction area, each rail element provides a portion of the or each track of the profiled upper surface so that there is a transition extending along the expansion joint from the first rail element to the second rail element for the or each track. The invention further relates to an automated storage and retrieval system comprising said expansion joint and a method of connecting regions of a rail-based grid storage system and / or delivery rail system using one or more of the expansion joints.

The distance-adjustable railway gauge pull rod comprises a storage square pipe, four sets of partition plates are installed in the storage square pipe, a two-way screw rod penetrates through the four sets of partition plates through bearings, the side wall of the two-way screw rod is connected with two sets of lead screw sleeves in a sleeved mode, the side walls of the two sets of lead screw sleeves are connected with sleeving plates in a sleeved mode, and the sleeving plates are connected with the two sets of lead screw sleeves in a sleeved mode. Insulating rods are mounted on the far-away faces of the two sets of sleeving plates, the far-away ends of the two sets of insulating rods slidably penetrate through the opposite faces of the two sets of partition plates on the two sides correspondingly, four sets of mounting shells fixedly penetrate through the lower portion of the storage square pipe, and lifting plates are arranged in the four sets of mounting shells correspondingly; and universal wheels are mounted at the lower parts of the four groups of lifting plates. The distance-adjustable railway gauge pull rod has the advantages that the partition plate and the sealing cover are adopted, the use position of the clamping device can be stored and adjusted through the partition plate and the sealing cover, and the transportation safety of the distance-adjustable railway gauge pull rod is improved.

The invention discloses a method for improving online service performance of a U71Mn high-speed steel rail. The method comprises the steps that steel rails with different performances are selected according to application scenes, and components of the steel rails are precisely controlled; the precise control over the components of the steel rail comprises the specific operation steps that during steel rail smelting, only 0.8-1.5 kg / t of low-aluminum silicon calcium barium is added for pre-deoxidation in the converter tapping process, LF refining reducing slag is made for sufficient deoxidation, RH vacuum refining continues for deep deoxidation, when the oxygen content in steel is reduced to 10 ppm or below, alloy is added according to the steel grade component requirement, and before continuous casting is started, the steel rail is subjected to continuous casting, and the steel rail is subjected to continuous casting. And standing for 50-60 minutes on a bale rotary table. By means of the method, the online service life of the U71Mn high-speed steel rail can be effectively prolonged, the online quality problem of the steel rail is solved, and the rail replacing frequency is reduced.

The embodiment of the utility model provides rail welding equipment for both roads and railways. The rail welding equipment for both roads and railways is characterized in that a loading platform drives the rail welding equipment for both roads and railways to walk on railways or roads through a chassis; the auxiliary protection device covers the outer side of the welding machine, so that the welding machine is prevented from being in direct contact with the ground in the process of hoisting or putting down the welding machine by the hoisting device; meanwhile, when the hoisting device drives the welding machine to transfer, the welding machine is prevented from being in hard contact with other equipment, and the service life of the welding machine is prolonged; the rail lifting device is arranged to lift the steel rail to be in butt joint with the welding machine, when the welding machine conducts welding operation, it is guaranteed that the relative positions of the welding machine and the steel rail are fixed, and the welding effect is improved; one end of the hoisting device is rotationally connected to the frame, the other end of the hoisting device is connected with the welding device, the welding device is hoisted and moved, the workable range of the welding device is expanded, and the equipment applicability is improved.

The utility model provides an anti-seismic rail for a high-speed railway, which comprises a concrete roadbed slab and a steel rail, longitudinal sleepers are arranged on the roadbed slab, wide sleepers are arranged on the longitudinal sleepers at intervals, the steel rail is arranged on the wide sleepers, and transverse and longitudinal adjusting devices are arranged below the steel rail at intervals and used for adjusting transverse and longitudinal deformation of the steel rail and enhancing the anti-seismic property of the steel rail. The transverse and longitudinal adjusting devices are additionally arranged below the steel rails, the transverse and longitudinal adjusting amount is increased, transverse deformation and longitudinal deformation are reduced, settlement of the rails can be effectively reduced, and meanwhile the anti-seismic property is enhanced through matched existing wide sleepers and prefabricated roadbed slab structures; the roadbed slab is formed through one-time pouring, a base construction procedure is omitted, the weep hole serves as a reserved transverse cutting hole, the roadbed slab is directly cut so as to rectify deviation, rapid repair after an earthquake can be achieved, the structure is simple, construction is rapid, the overall rigidity is large, and the system integrity is good; and the stability of the track under vibration and earthquake loads is improved.

The utility model discloses a guide rail type workpiece welding auxiliary tool, and belongs to the technical field of welding auxiliary tools. Comprising tool bodies a symmetrically arranged on the two sides of a working panel, each tool body a comprises sliding plates connected to the two ends of a connecting plate, the sliding plates are slidably connected with the working panel through guide rails, angle plates a which are oppositely arranged are fixed to the sliding plates, the two angle plates a which are oppositely arranged are connected through a connecting plate, and a plate a and a plate b are fixed to the ends of the angle plates a; the plate a and the plate b are each provided with a magnet used for attracting the workpiece a. The positioning device has the advantages that manual positioning is replaced, positioning accuracy and working efficiency are improved, labor cost is reduced, and potential safety hazards existing in manual positioning are eliminated.

The invention provides a self-propelled flash welding rail heat treatment vehicle for urban rail transit, and belongs to the technical field of rail engineering machinery. Comprising a frame, a shed, a hook buffer device, hydraulic supporting legs, a bogie, a fuel tank, a wind source device, a tool box, an auxiliary generator set, a cab, an electrical room, a power room, a working room and a welding machine room. And a welding machine device and a movable shed capable of being electrically opened and closed are arranged in the welding machine chamber. The device has the advantages of integration of welding and heat treatment, high automation degree, environmental protection, energy conservation, flexible operation and the like, and is suitable for urban rail transit steel rail welding operation.

The utility model relates to the technical field of railway transportation, in particular to a welding assembly for a track embedded part, which comprises a main body, the welding assembly is fixedly connected in the main body, and an embedded clamp assembly is arranged at the top of the main body; the non-shrinkage grouting material is used for pouring the welding mechanism, and the non-shrinkage grouting material has the advantages of being good in self-flowing performance, rapid in hardening, early in strength, high in strength, free of shrinkage, slight in expansion, free of toxicity, harmless, free of aging, free of pollution to water quality and the surrounding environment, good in self-sealing performance, rust-proof and the like. The rectangular truss has the advantages that a rod piece mainly bears tension or pressure, the function of materials can be fully played, the materials are saved, the structural weight is reduced, and the service life of the welding mechanism is prolonged. And sufficient rigidity, sufficient stability and good dynamic shock resistance are achieved.

According to the assemblable embedded track and the construction method thereof, on the basis that it is guaranteed that bolts are connected with pre-embedded sleeves corresponding to sleepers through through holes in a bottom plate, side plates on the two sides of a steel tank move outwards and are longitudinally disconnected at the positions corresponding to the pre-embedded sleeves, so that space is formed, and the inner sides of the disconnected positions of the side plates are connected through insulating plates; the insulating plates are arranged on the inner sides of the side plates on the two sides, the side plates on the two sides of the steel tank move outwards, namely, the insulating plates are additionally arranged between the steel tank and the steel rail, the clearance size in the steel tank is increased, and the steel tank is prevented from being damaged. The distance between the steel tank and the steel rail is increased; even if a large construction error occurs and the steel rail is in contact with the insulating plate, the minimum distance between the steel rail and the steel tank can still be forcibly guaranteed to be the thickness gap of the insulating plate, the insulativity of the steel rail and the steel tank is guaranteed, and the sparking risk is reduced.

The utility model discloses a steel rail insulation protection device for preventing stray current corrosion. The steel rail insulation protection device comprises an insulation wrapping layer and a first insulation coating, the insulating wrapping layer wraps the rail bottom at the joint of the steel rail fastener and the rail webs on the two sides, and the length of the insulating wrapping layer is larger than that of the fastener of the steel rail. And the first insulating coating is coated on the steel rail and is connected with the edge of the insulating wrapping layer. The rail fastener node is applied to the field of urban rail transit line equipment, the insulating wrapping layer is arranged at the fastener node of the rail to prolong the creepage distance of the steel rail, so that the rail-ground transition resistance is increased, and meanwhile, the insulating coating is arranged as a sealing and isolating interface which is difficult to pollute, so that the service life of the rail is prolonged. And the bonding boundary line of the insulating wrapping layer and the steel rail surface is fully covered and sealed, so that water, dust, pollution and corrosion invasion are prevented, the bonding durability of the insulating wrapping layer is enhanced, and the long-term insulation effect of the fastener system is improved.

The invention discloses a production method for improving the toughness of a hypereutectoid heat treatment steel rail, and belongs to the technical field of metallurgical materials. The steel rail comprises the following chemical components in percentage by mass: 0.80-1.10% of C; 0.30 to 0.90 percent of Si; mn is 0.55 to 2.25 percent; less than or equal to 0.025% of P; s is less than or equal to 0.025%; the alloy comprises the following components in percentage by weight: 0.20 to 0.90 percent of Cr, 0.04 to 0.30 percent of V, 0.03 to 0.10 percent of Nb and 0.0010 to 0.010 percent of RE; the total mass fraction of the Fe and the impurities is 100%. The production process comprises the following steps: a steelmaking production process: adding a rare earth alloy at a VD station; a steel rail rolling process; an online heat treatment process; and tempering. The invention aims to research parameters of different temperatures, cooling speeds, tempering processes and the like of the steel rail, improve the toughness of the heat-treated hypereutectoid steel rail and ensure the strength of the heat-treated hypereutectoid steel rail.

A walking device for installing equipment in a limited space, comprising a track and a walking device capable of walking along the track, the walking device comprising a main body structure, a guide assembly and an adjustment movement assembly rotatably connected to the main body structure, the main body structure being used for fixing the equipment to be installed, the guide rail being provided with a guide groove in the length direction and a rolling groove on both sides of the guide groove, the guide assembly being rolling fitted in the guide groove and enabling the walking device to move in the length direction of the guide rail, the adjustment movement assembly being rolling fitted in the rolling groove and being used for preventing the walking device from deviating to the sides of the track and derailing, in use, the equipment to be installed is installed on the main body structure of the walking device, the guide rail is installed on the carrier in the limited space, the guide assembly and the adjustment movement assembly can transport the equipment to the position where the equipment needs to be installed in the limited space through the guide rail, and the problem that the equipment cannot be installed and maintained in the later period due to the fact that the equipment installation space does not meet the installation personnel to reach is solved.

To provide a detector for track transfer device capable of being installed easily.SOLUTION: A detector for track transfer device includes an adjustment mechanism unit including; an attachment block 23 (attachment member) formed in L shape; two attachment holes 28, 29 (first attachment holes) formed on a stationary unit 25 of the attachment block 23; five attachment holes 64-64 (second attachment holes) formed on a first link member 61; and two bolts 27, 27 inserted into the attachment holes 28, 29 and the selected attachment holes 64, 64. Thus, arm height is capable of being adjusted in six steps without using a spacer and installation work is facilitated.SELECTED DRAWING: Figure 1

The invention relates to a mould (1) for aluminothermic welding of two rails (30), said mould (1) comprising at least two side parts (2A, 2B) made of refractory material, configured to be mounted temporarily opposite one another on either side of the ends of the rails (30) to be welded so as to define a moulding cavity between said rail ends (30), each side part (2A, 2B) comprising at least one filling pipe (10A, 10B) configured to guide molten metal from the upper portion of the mould to a zone of the moulding cavity located at the base (33) of a rail, characterised in that each filling pipe (10A, 10B) has a section (110, 120) which is perpendicular to a flow axis of the molten metal in the pipe (10A, 10B) and narrows so as to progressively reduce the width of said section (110, 120) in a direction opposite a mean longitudinal plane (P) common to the two rails to be welded.

The rail with the damping protection function comprises a vertical part, the top and the bottom of the vertical part are connected with a transmission part and a fixing part respectively, the bottom face of the fixing part is provided with a bottom groove extending into the vertical part, an elastic piece is arranged in the bottom groove, the bottom of the elastic piece corresponds to the bottom face of the fixing part, and the bottom of the elastic piece is connected with the transmission part. And the bottom surface of the elastic piece is an arc surface which is far away from the vertical part and protrudes downwards. The device has the beneficial effects that a triangular supporting structure formed by the fixed part, the vertical part and the transmission part is utilized to form the transmission part to assist the operation of a train; the bottom groove extends into the vertical part, so that the use amount of steel can be reduced; vibration and impact generated by train operation can be absorbed through the elastic piece in the bottom groove, and the service life of the rail can be prolonged.

The invention discloses a photovoltaic panel rail laying fixing piece and a working method. The photovoltaic panel rail laying fixing piece comprises a screw rod, the screw rod is sleeved with a shaft sleeve, locking devices are arranged on the two sides of the shaft sleeve, a fixing device is arranged on the shaft sleeve, and one end of the screw rod is fixedly connected with a U-shaped clamp. The U-shaped clamp can be directly clamped at the bottom of the rail, extra punching or transformation of the rail is not needed, the original structure of the rail is prevented from being damaged, and the influence of construction on railway operation is reduced; meanwhile, the fixing device can be accurately attached to the corners of the photovoltaic panel, and the problem that a traditional fixing piece is difficult to adapt to the special installation environment of the rail is solved. The screw rod can axially move along the shaft sleeve and is matched with the tightness adjustment of the locking device, so that the positions of the U-shaped clamp and the fixing device can be flexibly and finely adjusted, the levelness and the plane position of the photovoltaic panel can be easily calibrated, the problems of inclination, uneven stress and the like of the photovoltaic panel caused by installation errors are effectively avoided, and the long-term stable operation of the photovoltaic panel is ensured.