1276results about "Railway track construction" patented technology

The invention discloses a turnout fine adjustment system and method, the system comprises a fine adjustment moving trolley, an elevation adjuster, a center line adjuster and an inclination angle detection trolley, the end part of the fine adjustment moving trolley is hinged with a cross beam capable of swinging and a lengthened beam, and the elevation adjuster is mounted on the cross beam; a visual camera and a laser distance measuring sensor are arranged at the bottom of the elevation adjuster; the center line adjuster comprises a double-thread telescopic rod and a transverse fine adjustment device, and the transverse fine adjustment device is detachably clamped on the double-thread telescopic rod and can drive the double-thread telescopic rod to rotate so as to enable the double-thread telescopic rod to extend or retract; the method comprises a turnout elevation fine adjustment method, a turnout center line fine adjustment method and a turnout elevation and center line fine adjustment method. Fine adjustment of the elevation and the center line of the turnout can be rapidly completed, manual auxiliary participation is reduced, manpower and material resources are saved, and the construction efficiency is improved.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. End portions of rail segments having narrower widths than body portions of the rail segments are joined within a split fishplate. Laterally opposing faces within the narrowed end portions form a longitudinal overlap, and connectors underneath the rail segments pull the split fishplate together against the end portions. In arrangements with parallel rails around a curvature, the rail segments are adjusted by sliding so that the longitudinal overlap is larger for rails on an inside of the curvature compared with rails on an outside of the curvature.

The invention provides a construction method of a CRTS III type slab ballastless track, and relates to the technical field of high-speed rail construction, and the construction method comprises the following steps: mounting base plate steel bars, side forms, end templates and limiting groove templates, placing foam plates at expansion joints, and reserving track slab pressing and anchoring holes; base plate concrete is poured, and base plate concrete formwork removal, surface finishing, maintenance and expansion joint construction are carried out after pouring; constructing a geotextile isolation layer and an elastic cushion layer; limiting groove steel bars and self-compacting concrete layer steel bar meshes are installed, and track plates are placed; before and after the track plate and the base plate are fastened by the pressing device, the track plate is finely adjusted by the fine adjustment device; and a self-compacting concrete formwork is installed, self-compacting concrete is poured, and post-pouring treatment and curing are conducted. The track plate and the base plate are fastened through the pressing device, so that the track plate, the base plate and the self-compacting concrete layer are tightly attached in the self-compacting concrete pouring period, and the situation that reworking or track laying is difficult due to the fact that the floating amount of the track plate is too large is avoided.

The present application relates to a kind of plate type ballastless track bed expansion joint glue injection and leveling integrated system, including control system, glue pipeline system, mobile platform, glue injection execution system, wherein glue pipeline system is applied to the pressure of glue body storage tank, force glue liquid to be transported along pipeline to the end of glue injection execution system, glue injection execution system is by six-axis mechanical arm control unit according to expansion joint space coordinate planning six-axis mechanical arm path information and forms six-axis mechanical arm action instruction, realizes six-axis mechanical arm end injection head to expansion joint and carries out glue injection operation.The present application is by setting glue injection execution system and glue pipeline system on mobile platform, can guarantee according to the length direction of expansion joint and carry out glue injection and according to stable glue injection quantity realize the glue injection of expansion joint, reduce labor intensity, improve the glue injection quality of expansion joint.

The present invention belongs to the field of railway technology, and discloses a slab ballastless track and adjustment method that adapts to foundation deformation, comprising: a base, on which a limiting boss is cast; a prefabricated track plate, a long rectangular hole opened in the middle, and two limiting bosses embedded on both sides of the corresponding long rectangular hole; a cover plate, which covers the long rectangular hole; a stacked height adjustment layer, which is pressed between the base and the prefabricated track plate; a filling adjustment layer, which is pressed between the base and the height adjustment layer; a horizontal adjustment layer, which is pressed between the limiting boss and the long rectangular hole; and a plurality of anti-movement limiting plates, which are installed on two opposite side walls of the prefabricated track plate to prevent the height adjustment layer from moving out laterally. The present invention solves the problem of insufficient deformation adjustment capacity of existing ballastless tracks when the offline foundation undergoes large deformation, and can be applied to the construction of ballastless tracks in complex geological sections and the treatment of defects caused by foundation deformation of operating lines.

The invention relates to the technical field of train track obstacle clearance devices, in particular to an obstacle clearance device for a train track, which comprises two mounting parts and an oil storage mechanism mounted at the bottoms of the two mounting parts, and two groups of driving mechanisms are mounted at the bottom of the oil storage mechanism; wherein a grinding mechanism abutting against a pair of rails is installed in one driving mechanism, two sets of walking wheels roll on the two rails, a motor vehicle drives the walking wheels to roll on the rails, and at the moment, due to the fact that a connecting base is slidably connected to a sliding rod, and a rotating connecting rod between the connecting base and the walking wheels is eccentrically arranged, the motor vehicle drives the walking wheels to roll on the rails; and when the two walking wheels on the left side roll on the rail, eccentric rotation of the connecting rods is achieved, the connecting bases further move left and right on the sliding rods, finally, grinding assemblies at the bottoms of the two connecting shells on the left side grind the surface of the rail, stable running of train wheels is facilitated, friction force and shaking are reduced, and the service life of the rail is prolonged.

The utility model provides a novel steel rail transport flat car which comprises a car frame, and hook buffer devices are fixedly installed at the two ends of the car frame. The two steel rail transverse moving devices are fixedly installed at the two ends of the top of the vehicle frame correspondingly. According to the novel steel rail transport flatcar, the frame is matched with the hook buffer device, when the novel steel rail transport flatcar is used, the hook buffer device is connected with other vehicles and can be freely grouped and matched with other vehicles, and the purposes that steel rails can be stored on the novel steel rail transport flatcar, and the safety of the novel steel rail transport flatcar is improved are achieved. The device can also be matched with other vehicles to complete rail unloading and rail collecting operation; and overall stable driving of the steel rails is achieved through the steel rail transverse moving device and the steel rail conveying device, the transferring process is completely automatically achieved, the automation degree is high, the overall position of the steel rails can be changed in an unstressed mode, the space is saved, meanwhile, the quality of the steel rails is protected, and the device is suitable for working in the narrow-space construction environment such as subways.

Intelligent tilting device for a prefabricated, assembled base plate, comprising a base, a tilting support frame and a base plate, characterized in that The tilting support frame comprises a plurality of L-shaped support frames arranged side by side in a row, wherein a first tilting connection seat is provided on a rear side on the underside of a long side of the L-shaped support frame, wherein the first tilting connection seat is connected to the base by means of a pivot shaft, wherein a front side on the underside of the long side of the L-shaped support frame is connected to an end of a push rod, wherein one or more base plate support seats are provided in the middle on a underside of the long side of the L-shaped support frame, wherein the base plate support seat is provided with self-adjusting base plate support seats on both a front and rear side, and wherein an electromechanical sliding block, provided with a snap-lock section, is provided on the top of the short side of the L-shaped support frame.wherein the electromechanical sliding block can move up and down along the short side of the L-shaped support frame, and wherein an electromechanical snap lock is provided in the middle on a left or right side of the long side of the L-shaped support frame, wherein the electromechanical sliding block and the electromechanical snap lock are provided with pressure sensors, wherein the electromechanical sliding block and the electromechanical snap lock clamp the base plate and detect pressure data at a snap point; , The self-adjusting base plate support seat comprises a base plate, a top plate, a steel spring and a spring shaft, wherein an elastic cushion and a distributed pressure sensor are installed at a contact surface position on the top plate, the top plate being connected to the base plate by means of the spring shaft and the steel spring.

The invention discloses an induction heating system of a rail strengthening vehicle and a reversing method. The induction heating system of the rail strengthening vehicle comprises an induction heating host, two groups of self-adaptive positioning wheel mechanisms, a heating head mechanism, a translation mechanism mounting frame and a translation mechanism, the heating head mechanism is mounted on the self-adaptive positioning wheel mechanism, and the induction heating host is connected with the heating head through a flexible cable; the translation mechanism can transfer the heating head mechanism from one group of self-adaptive positioning wheel mechanism to the other group of self-adaptive positioning wheel mechanism through the translation mechanism mounting frame; a quick connecting device is arranged between the translation mechanism and the heating head mechanism, so that the heating head mechanism is connected to the translation mechanism; a lifting device is arranged on the translation mechanism so as to adjust the height position of the heating head mechanism; the heating head is arranged on the heating head mechanism through the rotating device, so that the heating head can rotate by 180 degrees; the heating head mechanism has the advantages that pretreatment before rail surface spraying is achieved, and the heating head mechanism is conveniently and accurately reversed between the rails on the two sides.

The invention relates to the technical field of rail laying, in particular to a sleeper laying device for rail transit, which comprises a rail and a sleeper body, and further comprises a plurality of ballast poking plates, and the plurality of ballast poking plates are arranged below the sleeper body. A plurality of ballast poking plates are automatically driven to move through the ballast poking assembly, railway ballast below a sleeper body can be rapidly and efficiently poked aside and poked out, an old sleeper is made to be suspended, the speed is much higher than that of pure manual ballast poking through tools such as shovels, the replacement time of a single sleeper is remarkably shortened, the shorter skylight period is provided for line maintenance, and the production efficiency is improved. The whole process is mainly completed by a mechanical device, operators only need to control equipment, physical output of workers is greatly reduced, the workers are prevented from carrying out high-strength repeated excavation and prying operation between the position below heavy sleepers and rails, safety risks such as muscle strain and collision injury are reduced, and operation safety is improved.

The invention relates to the technical field of track repairing, in particular to a track polishing device with a built-in adjusting mechanism. The grinding mechanism and the guide plate are arranged on the frame in a sliding mode in the length direction of a track, the grinding mechanism comprises a power system, a telescopic shaft connected with the power system and a grinding wheel coaxially and fixedly connected with the telescopic shaft, and an adjusting arm abutting against the top of the guide plate is arranged on the telescopic part of the telescopic shaft; the top of the guide plate is provided with a first guide face corresponding to a welding slag area and a second guide face corresponding to a welding area. The first guide face and the second guide face are located at different heights in the initial state, so that the grinding wheel only makes contact with part of a welding spot in an upward moving mode when moving to a welding area, then the adjusting piece is matched to adjust the height of the second guide face, and the welding spot can be ground through reciprocating motion in the grinding process. And the height of the second guide surface is gradually reduced, so that welding spots are gradually polished in the reciprocating movement process.

A processing device (22) for performing track work comprises a support frame (26) with a first support frame end (34) and a second support frame end (35), as well as at least one multi-axis robot (27, 28) arranged on the support frame (26) for performing the track work. The processing device (22) further comprises a positioning device (24) for positioning the second support frame end (35), which is arranged on a first rail chassis (9), and a pivoting device (25) for pivoting the first support frame end (34), which is arranged on the first rail chassis (9). This allows the support frame (26) to be aligned relative to a second rail chassis (16) in a simple, flexible, and reliable manner when moving from a transport position to a working position.

A fixture for a rail includes a plate and an overhang rigidly extending from the plate, in which the overhang defines a slot beyond the plate. The plate defines a head interfacing edge and a foot interfacing edge, in which each of the head interfacing edge and the foot interfacing edge extending parallel to a longitudinal axis. The overhang extends from the foot interfacing edge and disposes the slot parallel to and spaced apart from the foot interfacing edge. The overhang includes a proximal slot surface and a distal slot surface. The proximal slot surface and the distal slot are spaced apart and defines the slot therebetween. A rail clamp system may include the fixture coupled with an acceleration measurement module which in turn may be configured for operable communication with a wireless data transmission module.

Dynamic energy transfer (DET) systems are costly and time-consuming to install. Accordingly, an installation system is disclosed that comprises stowage for rail segments and poles, two strategically positioned cranes, and / or strategically positioned platforms, to enable less expensive and faster installation of the various components of a DET system. Installation, utilizing the installation system, can significantly decrease the cost of installation, while increasing the rate of installation and maintaining safety.

The invention provides special equipment for group replacement of high-speed railway turnouts and a construction method, and belongs to the technical field of railway engineering. Comprising a heavy rail car, a container type rail welding car, a plurality of special turnout transportation flatcars, a container type rail welding car and a heavy rail car which form a whole-column special marshalling used for integrated operation of transportation, replacement, welding and recovery of grouped rail pieces. A rail welding vehicle folding arm crane, a flash welding machine, rail welding vehicle auxiliary supporting legs and the like are carried on the container type rail welding vehicle; at least two flatcar folding arm cranes, flatcar auxiliary supporting legs, a lifting handrail and a special loading tool are installed on the special turnout transportation flatcar. Special equipment and a construction method are used for achieving integrated operation of the high-speed railway turnout from bulk material pre-assembly to group transportation, replacement, welding and old turnout recycling, the problem that group replacement of an existing high-speed railway turnout is completed at a skylight point is solved, and the defects of a group replacement operation technology of the high-speed railway turnout are overcome.

A track maintenance machine for stabilizing a ballast bed of a track after a tamping operation, includes a machine frame mobile on on-track undercarriages and a stabilizing unit which has rollers for gripping a track grid and a vibration generator for actuating the track grid with a vibration. A clearing device is disposed at both longitudinal sides of the track maintenance machine in front of the stabilizing unit with regard to a working direction. Each respective clearing device includes a clearing tool which can be lowered into the ballast bed to remove ballast from a respective sleeper-end region. Thus, preconditions are created by using the stabilizing unit to achieve an increased lowering of the track grid as compared to a normal stabilizing procedure. A method for operating a track maintenance machine is also provided.

A rail grinding machine (1) comprises a machine frame (6), rail guide units arranged on the machine frame (6), a grinding unit (9) with a drive motor (44) and a tool holder (47) for rotating a grinding tool (49) about a rotary axis (48), a height adjustment device (10) for adjusting the height of the grinding unit (9), and a handle (11) for manually repositioning the grinding unit (9). A guide (24) of the height adjustment device (10) defines a guide plane (E). The rotary axis (48) is spaced apart from the guide plane (E), particularly in the area of ​​the tool holder (47). This gives the rail grinding machine (1) a simple design and a high level of user-friendliness. In particular, the rail grinding machine (1) allows an unobstructed view of the grinding point.

The invention discloses a multifunctional multi-anchor plate pile wharf structure suitable for deepwater berth and a construction method thereof, belongs to the technical field of port engineering, and solves the problems that the section of a deepwater berth plate pile wall structure is too large, deformation control is difficult, and the synergism of an anchorage system is poor. The wharf structure comprises a front sheet pile of the front sheet pile wall structure and a front track beam arranged on the front sheet pile. The pull rod system is arranged between a pavement structure and a pool bottom elevation, at least two common layered pull rods and a multifunctional pull rod are sequentially arranged at intervals from bottom to top, one end of each common layered pull rod is connected to a front sheet pile, and one end of each multifunctional pull rod is connected to a front track beam. The anchorage system comprises at least two common layered anchorage bodies and a multifunctional anchorage body, the common layered anchorage bodies are correspondingly connected with the common layered pull rods, the multifunctional anchorage body is composed of a rear track beam and a rear track beam pile, and the rear track beam is connected with the other end of the multifunctional pull rod. The wharf structure is mainly used for deepwater berth wharf construction, multi-anchor support can be provided, and track beam displacement can be coordinated.

The utility model provides a position adjusting structure of rail derusting equipment, which comprises a grinding machine body, an adjusting assembly is arranged on the grinding machine body, an adjusting plate is connected with the grinding machine body through a connecting piece, a cross rod is inserted into a sliding groove of the adjusting plate, and the cross rod is connected with the grinding machine body through a connecting piece. Through holes of the support are fixedly connected with the two ends of the cross rod, the support is connected with the adjusting plate through the positioning pin, the output end of the telescopic piece is fixedly connected with the support, and the top end of the rail connector is fixedly connected with the telescopic piece. The position of the adjusting plate in the support is fixed through the positioning pin, the output end of the telescopic piece shrinks to drive the grinding machine body to move towards the end of the rail to conduct rust removal and grinding, and the height of the adjusting plate in the support is adjusted according to the height of the rail so that the grinding machine body can conduct sufficient grinding and rust removal on the end of the rail.

The invention relates to the technical field of track operation, and discloses a full-automatic track bolt operation maintenance device which comprises a track body, a bottom framework is arranged at the top of the track body, a control box is arranged at the top of the bottom framework, batteries are arranged at the positions, located on the two sides of the control box, of the top of the bottom framework, and a positioning sensor is further arranged on the bottom framework. Two first L-shaped plates are symmetrically distributed on one side of the bottom of the bottom framework, and a positioning wheel is arranged between the two first L-shaped plates. According to the full-automatic track bolt operation maintenance device, through the collaborative design of the positioning unit and the execution assembly, the operation safety problem under the ice surface low-friction environment is fundamentally solved. After the sucker of the positioning assembly is adsorbed on the track, the sucker and the positioning wheel can fix the bottom framework together, so that the device is prevented from slipping or displacing when bolt torque is applied, the phenomenon of false tightening is completely eradicated, namely the situation that the recorded torque of the device reaches the standard but effective torque is not actually applied to the bolt is prevented, and the potential safety hazard of line operation is eliminated.

The invention relates to the field of track maintenance, and discloses a steel rail profiling grinding machine which comprises a frame body, a grinding component, a detection component and a first linear module for driving the grinding component and the detection component to move synchronously are arranged on the frame body, and the detection component comprises a fourth movable support connected with the first linear module. A fifth movable support and a fourth linear module for driving the fifth movable support to move are arranged on the fourth movable support, three detection assemblies are arranged at the tail end of the fifth movable support, each detection assembly comprises a connecting support connected with the fifth movable support, and a mounting ring is rotationally arranged on each connecting support; a connecting shaft is slidably arranged in the mounting ring in the axial lead direction, a detection support is arranged at the end, facing the steel rail, of the connecting shaft, a detection component is arranged on the detection support, and a self-centering piece is arranged on the connecting support.

The invention relates to a walking device and a control method for the walking device to pass through a harmful space of a turnout. Two groups of rail supporting mechanisms; four guide wheel groups; the track detection module is arranged at the end of the walking framework and used for collecting track characteristic data, and the track detection module is a laser radar or an image sensor; the control system is used for performing data processing on the track characteristic data, identifying harmful space of the turnout and automatically controlling loading and unloading of the track supporting force of the track supporting mechanism; and the mileage sensor is used for measuring mileage data D of advancing of the walking framework. According to the walking device, by arranging the track detection module, the track supporting mechanism, the mileage sensor and the control system, when the walking device passes through a turnout section, track supporting force borne by the guide wheel set is automatically unloaded and loaded, full-automatic avoiding of harmful space is formed, the risk of manual operation is eliminated, and the working efficiency is improved. And the transverse stability of operation of the grinding trolley and the safety of equipment are guaranteed.

The present invention relates to a railroad spike stabilizer for railway and construction applications. The stabilizer comprises a hollow, square-based prism body with four outer walls defining an internal cavity conforming to a railroad spike's geometry. The cavity, open at the top, tapers inward with angled inner walls. Segmented, flexible legs extend from the bottom, compressing and expanding to engage the tie plate hole, with clips locking the stabilizer. Flexible ribs adapt to hole variations, and a visual alignment guide ensures orientation. A spike and plug stabilizer embodiment includes a ribbed or finned plug for pre-existing holes, enhancing spike stability and reducing fatigue compared to wood plugs or polyurethane foam. The stabilizer improves alignment, reduces spike fatigue, minimizes worker injuries, and enables single-worker operations.

The present invention relates to the field of tram track laying construction. Disclosed is a method for laying a jointed ballasted track for trams on small-radius curves. In the method, by adjusting and fixing track alignment before ballast laying and track finishing, the conventional construction sequence of ballast laying and track finishing is changed, track lifting and alignment adjustment for small-radius curves are carried out prior to ballast laying and tamping, and during track laying, sleepers are densely arranged at rail joints, and concrete buttresses are added beside the sleepers to secure the sleepers in place and counteract the bending stress of rails, ensuring precise control of track alignment and elevation on the small-radius curves, and realizing laying of the jointed ballasted track for trams on the small-radius curves. After construction, ballast laying and track finishing on the small-radius curves can meet track operation requirements in a single pass, ensuring smooth and safe tram operation.

The invention provides steel rail welding seam full-profile grinding equipment which comprises a driving device, a driving wheel surrounding the driving device, a tensioning wheel, a grinding contact wheel and an abrasive belt, the driving wheel, the tensioning wheel and the grinding contact wheel are arranged in a triangular shape, the abrasive belt is arranged on the periphery of the driving wheel, the periphery of the tensioning wheel and the periphery of the grinding contact wheel in a sleeving mode, and the grinding contact wheel comprises a cylindrical supporting body. The periphery of the cylindrical supporting body is wrapped with a soft rubber sleeve, a plurality of spiral grooves are formed in the surface of the soft rubber sleeve, and the Rockwell hardness of the soft rubber sleeve is 65-80.

The utility model discloses a special tool for replacing a railroad sleeper, which comprises a base, one end of the upper part of the base is fixedly connected with a connecting frame, the upper end of the connecting frame is provided with a driving motor, the output end of the driving motor is downwards provided with a lead screw in a penetrating manner, the lead screw is in threaded connection with a threaded block, and the threaded block is provided with a threaded hole. One end of the threaded block is fixedly connected with a connecting base, two clamping plates are arranged below the connecting base, the inner sides of the clamping plates are fixedly connected with non-slip mats, the threaded block and the clamping assembly can be driven to adjust the height by arranging the driving assembly and the lead screw assembly, and the clamped railroad sleeper can be moved; and meanwhile, the air cylinder assembly and the sliding block assembly are arranged, so that the clamping plates can clamp the sleeper, rapid replacement of the sleeper is achieved, the convenience and practicability of the whole tool are improved, and the labor intensity of workers is reduced.

The invention provides fine adjustment equipment for a ballastless track bent frame. The fine adjustment equipment comprises a supporting cross beam, an angle adjuster and a displacement adjusting assembly. The supporting cross beam stretches across the whole bent frame, and the two ends of the supporting cross beam are connected with the angle regulators respectively. The angle adjusters are connected with the corresponding displacement adjusting assemblies, and the angle adjusters are used for confirming and adjusting the angle of the supporting cross beam; the displacement adjusting assembly is arranged on the supporting face, has a plurality of moving freedom degrees and is used for adjusting the position of the angle adjuster. The bent frame can be efficiently and accurately adjusted to the target posture, the displacement adjusting assembly is adjusted in a high-precision motor automation mode so that the bent frame can be preliminarily adjusted in place on site, meanwhile, manual confirmation can be conducted, angle correction can be conducted, it is ensured that on-site construction is efficiently and reliably conducted, and the bent frame construction quality is improved.

The invention discloses an intelligent sub-sleeper combined trolley and a construction method thereof.The trolley comprises a trolley head assembly, a trolley tail assembly and a middle sleeper distribution trolley body, and the trolley head assembly comprises a containing lifting mechanism, a trolley head moving frame body and a clamping jaw mechanism; the vehicle tail assembly body comprises a vehicle tail underframe and a vehicle tail moving frame body, a sleeper locking accessory frame and a mechanical arm are arranged in the top of the vehicle tail moving frame body, and the vehicle head moving frame body and the vehicle tail moving frame body can move in the length direction of the middle pillow cloth vehicle body; the method comprises the following steps that firstly, the intelligent sleeper separating combined trolley is placed, and double-block type sleepers are fed; 2, clamping, lifting and placing the double-block type sleeper; and thirdly, the double-block type sleeper and the double-block type fine adjustment track panel are assembled. According to the method, intelligent assembly of the double-block sleeper and the double-block fine adjustment track panel can be rapidly completed, and the efficiency is improved.