695results 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.

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.

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.

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.

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 relates to a processing apparatus (22) for carrying out track-working operations, said processing apparatus comprising: a support frame (26) having a first support-frame end (34) and a second support-frame end (35); and at least one multi-axis robot (27, 28) arranged on the support frame (26) for carrying out the track-working operations. The processing apparatus (22) also comprises: a positioning device (24) for positioning the second support-frame end (35), which positioning device is arranged on a first rail chassis (9); and a pivoting device (25) for pivoting the first support-frame end (34), which pivoting device is arranged on the first rail chassis (9). As a result, when the support frame (26) is moved from a transport position into a working position, it can be aligned relative to a second rail chassis (16) in a simple, flexible and reliable manner.

The utility model provides a milling device for a rail-changing high-low joint, which belongs to the technical field of railway engineering machinery and comprises a main frame, an inclination adjusting mechanism, a milling mechanism, a control mechanism, a milling mechanism and a milling mechanism, wherein the inclination adjusting mechanism is arranged on the main frame and is used for adjusting the inclination of the main frame to carry out downslope milling operation; the rail clamping mechanism is used for clamping and positioning the steel rail so as to mill; the machining unit is used for milling the joint of the steel rail; and the guide unit is used for guiding the machining unit to move along the downslope track so as to carry out downslope milling. A cutter forming face of the machining unit is matched with a steel rail working face, a rail top and a steel rail non-working face. The utility model effectively solves the problems of high labor intensity and poor precision of on-site new and old rail height difference down slope grinding, can realize down slope transition milling operation in a sufficient range, meets the requirement that the high gradient is less than 0.1%, and has the advantages of high joint processing efficiency, good quality and the like.

The invention discloses a prefabricated sleeper of a railway ballast track and an automatic sleeper replacing device, and belongs to the field of track maintenance equipment. Comprising a sleeper body, rails are symmetrically arranged on the upper surface of the sleeper body, a movable vehicle body is arranged on the upper surfaces of the two rails, and a hydraulic mechanical arm is arranged on the left side of the movable vehicle body; the grooves are formed in the lower portion of the rail, the embedded bolts are fixed in an embedded mode, and a layered connecting structure of the fixing assemblies and the screw spikes is matched, so that a reliable fixing system between the rail and the sleeper body is formed, and the structural stability and the connecting firmness of the railway ballast track in the daily operation process are guaranteed; and the screw-thread matching mode of the embedded bolts and the screw spikes can be accurately matched with a torsion mechanism of a sleeper replacing mechanism, and the problem that the adaptability of a traditional sleeper fastener and automatic equipment is poor is solved.

The invention discloses a steel rail grinding wagon grinding control method and system, and belongs to the technical field of railway maintenance automation control. In order to solve the problems that an existing medium-sized steel rail grinding wagon is inaccurate in initial grinding positioning, prone to generating blue belts, poor in grinding angle fixing adaptability, large in multi-motor starting current impact and lack of effective emergency processing capacity, the method comprises the steps that an operation instruction and grinding parameters are received through a man-machine interaction interface; target positions of the polishing mechanism in all the running axial directions are calculated through a preset mathematical model; the grinding mechanism is controlled to move to the target position, and the grinding mechanism is started to start grinding operation; in the walking process of the grinding mechanism, synchronous start-stop and lifting control is conducted on the steel rail grinding unit according to the advancing distance fed back by the wheel set encoder in real time; and the output torque of the grinding motor and the traveling speed of the grinding wagon are monitored in real time, the position of the grinding mechanism is dynamically adjusted according to the monitoring result, and the traveling power of the grinding wagon is dynamically adjusted. The device is used for polishing steel rails of railways and subways.

According to the deflection angle locking device of the steel rail grinding equipment, when the grinding device of the steel rail grinding equipment is adjusted to the target grinding angle relative to the frame of the steel rail grinding equipment, the deflection angle of a grinding system is locked. The deflection angle locking device comprises a power unit (1), a connecting unit (2), an angle locking unit (3) and a brake pad (4). When the grinding device is adjusted to a target grinding angle relative to a frame of the steel rail grinding equipment, the power unit (1) applies acting force to the angle locking unit (3) through the connecting unit (2) so as to push a friction plate (34) of the angle locking unit (3) to clamp a brake plate (4) in the middle from the two sides, and the deflection angle of the grinding device is locked by means of friction force between the friction plate (34) and the brake plate (4). According to the technical scheme, through the structural design of the deflection angle locking device, the stability of large-angle grinding can be improved, and the grinding precision is improved.

The application discloses a rope saw, which comprises a frame, a first supporting plate arranged on the side of the frame, a moving mechanism arranged on the first supporting plate, a first driving motor connected with the first mechanism and arranged on the side of the frame, a second supporting plate vertically arranged on the first supporting plate, the second supporting plate being connected with the moving mechanism and sliding on the side of the first supporting plate, a second driving motor connected with the end of the second supporting plate, an output shaft of the second driving motor penetrating through the second supporting plate and being connected with a saw frame arranged on the other side of the second supporting plate, and a diamond rope arranged around the saw frame, and the diamond rope is partially exposed from the bottom of the saw frame, so that the technical problem that the feeding of the cutting process of the existing equipment is usually realized by moving the cutting equipment, resulting in unstable cutting process and low efficiency is solved.

The utility model belongs to the technical field of track construction, and particularly relates to a structural member for assisting in fixing a bolt, which comprises a leveling component, a fixing component and a fixing component, and the positioning assembly is connected to the leveling assembly, the axis direction of the positioning assembly is perpendicular to the extending direction of the positioning assembly, and the bolt can reciprocate in the axis direction of the positioning assembly. According to the utility model, the leveling assembly ensures that the reference is parallel to the plane of the track, the positioning assembly is perpendicular to the leveling assembly, and the bolt moves along the positioning assembly, namely, the bolt can move along the direction perpendicular to the surface of the track, so that the perpendicularity of the bolt is greatly ensured, and the construction precision requirement is met.

A maintenance vehicle for an attraction system includes a maintenance component configured to discharge material onto a path of a path system of the attraction system, a guide engagement device configured to capture a protrusion of the path system, the protrusion being off the path, and a wheel set configured to move the maintenance vehicle along the path system while the guide engagement device maintains capture of the protrusion and moves the maintenance component along the path.

The application discloses a novel high-speed railway bridge ballastless track base plate construction formwork and supporting tool, the formwork supporting tool comprises a protective wall fixing part on a protective wall and a formwork fixing assembly, a locking supporting assembly for supporting the formwork fixing assembly is arranged between the protective wall fixing part and the formwork fixing assembly, and the formwork fixing assembly comprises: a horizontal rod arranged on one side of the protective wall; two formwork fixing profile steels vertically arranged on two sides of the bottom of the horizontal rod; and a pressing part arranged on the two formwork fixing profile steels, the pressing part supports the outer sides of the longitudinal formworks by rotating the formwork fixing bolt to drive the round shore to bear against the square steels, the two locking rods between the protective wall fixing part and one longitudinal formwork support the formwork fixing profile steels and the longitudinal formwork, the already constructed protective wall is used as the support, the two longitudinal formworks are reinforced without needing to punch holes, and the longitudinal formwork is prevented from appearing the formwork rising phenomenon in the concrete pouring process.

This invention relates to the field of subway tunnel rail panel construction technology, and particularly to a suspended rail laying equipment and its usage method. The equipment includes a slide rail, hoisting equipment, a reversing clamp, lifting equipment, and an electromagnetic air pump. The hoisting equipment includes a fixing component and multiple sets of fixing devices spaced apart. Each set of fixing devices includes a gantry and two retraction devices. The fixing component is mounted on the slide rail, and the two retraction devices are symmetrically arranged on both sides of the gantry. The retraction axis of the retraction devices is perpendicular to the tunnel excavation axis. One end of the retraction device is fixedly connected to the fixing component, and the other end is connected to the bottom of the gantry. The reversing clamp is installed below the gantry, and the lifting equipment is located below the reversing clamp. This invention allows the rail laying equipment to be moved to the next cycle position via the slide rail for rail panel hoisting, resulting in a more advanced technology. The hoisting equipment enables rapid installation, utilizes more space inside the tunnel, avoids secondary damage to the main tunnel structure, and is beneficial for finished product protection.

This utility model discloses a lithium-ion battery-powered multifunctional rail grinding machine, including a frame, and grinding components, a feed adjustment component, a contour wheel component, a handrail component, and a power battery pack component mounted on the frame. A pressure sensor monitors the grinding pressure in real time, and the feed adjustment component automatically adjusts the pressure between the grinding wheel and the rail to ensure the grinding pressure is always maintained at the optimal level. The feed method uses a motor-driven threaded transmission, which is simple, reliable, and offers high adjustment precision. The handrail component is reasonably designed, allowing for flexible adjustment of the grinding angle via an angle adjustment plate. Combined with the auxiliary wheel design, it can stably complete the grinding of the top, side, and curved surfaces of the rail. Powered by a lithium battery, it is convenient for field operations. This utility model has a reasonable structure, is easy to operate, and can improve the quality and efficiency of rail grinding.

The invention discloses a steel rail grinding method based on irregularity development prediction, a grinding wagon and a grinding device. The method comprises the steps that irregularity actual measurement parameters of a target steel rail are obtained, and the excitation type of corrugation of the target steel rail is analyzed; according to the excitation type and the actually measured irregularity parameters of the target steel rail, a steel rail irregularity prediction model is established, and a development curve of the steel rail corrugation depth along with the throughput under different polishing residue irregularity characteristics is solved; the optimal polishing limit value and the target irregularity amplitude are solved in the development curve, and the optimal polishing period is determined; and solving the current polished amount of the target steel rail, and matching the optimal polishing scheme according to the optimal polishing period. The invention provides a passive grinding method, grinding wagon and device integrating irregularity detection and analysis, irregularity development prediction, target irregularity decision making and grinding scheme determination, and the problem that grinding target irregularity design is unreasonable is effectively solved. The service life of the steel rail is prolonged; and long-term maintenance of high smoothness of the track is effectively guaranteed.

The invention relates to a system for fastening rails (S) on a substrate (2) and to an assembly (1) built on such a system. The system comprises a slab element (3) having through openings (21, 22) leading from its upper face (14) to its bottom face (20) and comprising anchoring elements (4, 5) having anchoring element bodies (27) which, in use, are inserted into the substrate (2) and having an insertion opening defined by an end section (28) of the anchoring element body (27) for introducing a fastening element (11, 12) into the anchoring element body (27). According to the invention, a retaining section (29) laterally protruding from the end section (28) is connected to the end section (28) of the anchoring element body (27) by a connecting section (30-33) provided with a predetermined breaking point. On the bottom face (20) of the slab element (3), a retaining portion (38, 39) is provided into which the through openings (21, 22) of the slab element (3) open and into which the anchoring elements (4, 5) are retained by their retaining sections (29). The retaining portion (38, 39) forms a stop (48) for the retaining sections (29) acting in the longitudinal direction of the anchoring elements (4, 5). The inner contour of the through openings (21, 22) of the slab element (3) here adapts to the outer contour of the anchoring element bodies (27) in such a way that, after breaking of the connecting sections (30-33) of the anchoring elements (4, 5), the anchoring element bodies (27) can be moved through the through openings (21, 22) of the slab element (3).

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 invention relates to a method for under-floor machining, wherein in a first method step (2) a first wheelset (10) or a first wheel (6) and in a second method step (3) a second wheelset (11) or a second wheel (7) is machined by means of a first tool (17), wherein a relative movement between a rail vehicle (1) and the first tool (17) is carried out between the first method step (2) and the second method step (3). According to the invention, in a third method step (4) a third wheelset (12) or a third wheel (8) and in a fourth method step (5) the first wheelset (10), a fourth wheelset (13), the first wheel (6) or a fourth wheel (9) is machined by means of a second tool (18), the second tool (18) being moved between the third method step (4) and the fourth method step (5) for a change in machining position. An increase in servicing and / or maintenance efficiency is thereby made possible.

The invention relates to the technical field of track polishing, in particular to a track polishing device for segmented polishing. The device comprises a trolley; the rotating shaft is arranged on the trolley and is rotationally connected with the trolley; the two polishing pieces are arranged on the two sides of the rotating shaft correspondingly; the polishing piece comprises a frame body which is fixedly connected with the rotating shaft; the polishing piece further comprises at least two polishing wheels, the contact positions of the polishing wheels and the track are different, the polishing wheels are arranged around the rotating shaft, and the polishing wheels are rotationally connected with the frame body; the rotating shaft is used for driving the frame body to rotate around the circle center axis of the rotating shaft, so that a polishing wheel is in contact with the track. The single grinding wagon can continuously perform long-distance operation, and only stops slightly within a short time of switching the grinding wheels, so that the problems of frequent interruption and carrying caused by overheating of the grinding head are fundamentally solved, and the single-machine operation efficiency is improved.

This invention relates to the field of high-speed railway ballastless track pad construction technology, and discloses a construction device for ballastless track elevation micro pads, including a laying vehicle. The laying vehicle is sequentially equipped with a pad supply mechanism, a conveying mechanism, and a pad distribution mechanism. The pad supply mechanism includes two sets of material discharge bins fixedly installed on the laying vehicle. Each set of material discharge bins has a through hole at its bottom, and a pushing unit is provided on one side of the through hole to push individual pads sequentially into the conveying mechanism. The conveying mechanism is located on the other side of the through hole of the material discharge bin and is used to convey individual pads to the pad distribution mechanism, which then distributes the individual pads onto the sleepers of the ballastless track slab. Through the pad supply mechanism, conveying mechanism, and pad distribution mechanism sequentially arranged on the laying vehicle, the entire process of pad storage, orderly single-piece feeding, directional conveying, and placement onto the sleepers can be completed, significantly improving construction efficiency.

This invention discloses a self-compacting concrete pouring device and method for slab track, belonging to the field of slab track construction technology. It includes a concrete hopper with a cylinder connected to its lower end. The cylinder is equipped with an opening and closing mechanism, which comprises an elastic rubber cylinder and a metal elastic strip sleeved on its outer side. A motor drives the metal elastic strip to move around the cylinder, achieving precise adjustment of the opening degree of the elastic rubber cylinder's inner cavity, thereby controlling the concrete discharge flow rate. A scraping mechanism is also provided inside the concrete hopper. During the reciprocating opening and closing process, the scraping mechanism is driven by a transmission mechanism to rotate stepwise along the inner wall of the hopper, automatically scraping away residual concrete. This invention achieves precise electric control of the concrete flow rate and simultaneously completes automatic cleaning of the inner wall during the discharge process, effectively improving pouring quality and construction efficiency while reducing manual labor intensity.

Systems, methods, and machine-readable media to facilitate installation and adjustment of railway components are disclosed. Aligning of a railway anchor manipulator and a railway fastener installer with respect to a railway tie may be caused. The railway anchor manipulator may be slidably coupled with a frame assembly of a railway workhead, and may include anchor tools. The railway fastener installer may be slidably coupled with the main shaft structure, may include a hammer assembly, and may be operable to install railway fasteners through holes of a railway tie plate. The railway fastener installer may be caused to install the railway fasteners. The railway anchor manipulator may be lowered to a deployed position, and railway anchors may be adjusted with the anchor tools.

The utility model discloses a steel rail fat edge polishing device which comprises a fixed seat, a fixed part and a polishing mechanism, the fixed seat is provided with a guide groove, the fixed part is connected to the fixed seat, the fixed seat is fixedly connected to a steel rail, the polishing mechanism is connected to the guide groove and moves in the length direction of the guide groove so as to correspondingly polish a fat edge, and the polishing mechanism comprises a polishing piece. The edge of the grinding piece is designed to be inclined so as to be used for grinding the fat edge into a corresponding angle, rapid positioning of the steel rail fat edge is achieved, the consistency of the grinding size of the fat edge is determined, the grinding accuracy of the fat edge is ensured, and then the maintenance efficiency of the steel rail is improved.

The utility model provides a hydraulic type expansion rail kerf splitting device which comprises a triangular frame, a hydraulic cylinder, a first clamp and a second clamp, the right-angle side of one side of the triangular frame is connected with the hydraulic cylinder through a fixing piece, and the first clamp and the second clamp are installed on the front side and the rear side of the right-angle side of the other side of the triangular frame respectively. By the adoption of the technical scheme, the first clamp is connected with the rail top of the rail, then the second clamp is connected with the rail web of the rail, the hydraulic cylinder is matched, the hot expansion pressure of the steel rail is easily counter-balanced through the strong jacking force of the hydraulic cylinder, and rapid separation of the steel rail is achieved; compared with a traditional track lining device which easily causes the defect that the steel rail is out of control, the device accurately controls the direction of the steel rail, the swing risk is effectively avoided, and the operation safety is greatly improved. Meanwhile, hydraulic driving does not need manual prying, operation is convenient and fast, the device is light and easy to carry, the structure is firm and durable, and efficient and reliable technical guarantee is provided for railway maintenance operation.

The invention discloses a track board laying device and a track board laying method based on the BIM technology, and relates to the technical field of track traffic construction.The track board laying device is provided with a track transporting vehicle, a guide rail, a walking truss, a position adjusting mechanism and a track board clamping and laying mechanism; the track plate clamping and laying mechanism firstly slowly lowers the height to enable the lower surface of the track plate and the roadbed or ballast bed surface to be close to a preset gap; and then the adsorption force of the adsorption assembly is released, and the clamping assembly is gradually opened, so that the track plate is stably released and laid in place under the action of gravity. Through the process, the device can complete automatic transfer, accurate positioning and release laying of the track plate, and frequent manual adjustment operation during traditional manual matched hoisting is avoided.

The application discloses a kind of double-block type ballastless track fine adjustment power rail row adjusting method, including track and main beam, each is provided with one fine adjustment unit at the end of main beam, fine adjustment unit includes leg main body, height adjusting assembly, height drive assembly, angle adjusting assembly, transverse adjusting assembly and transverse drive assembly, height drive assembly is arranged in height adjusting assembly, leg main body is arranged in the bottom of height adjusting assembly;Angle adjusting assembly one end is arranged on height adjusting assembly, transverse adjusting assembly is arranged at the other end of angle adjusting assembly;Transverse drive assembly is arranged in angle adjusting assembly;Detection unit is provided on track, detection unit includes traction trolley and measurement assembly;Adjusting method includes track laying, preliminary adjustment, fine adjustment and overall measurement.The method can realize efficient, high-precision, multi-dimensional collaborative adjustment, and has real-time detection, safety protection and position correlation function.

The utility model relates to the technical field of maintenance and repair of ordinary-speed railway bridge equipment, in particular to a railway steel structure bridge sleeper quick replacement device which comprises a bridge sleeper replacement main body device, a main bridge sleeper storage and transportation device and an auxiliary bridge sleeper storage and transportation device. The bridge sleeper replacement main body device achieves mechanical actions such as grabbing, lifting and rotating of bridge sleepers through a bridge sleeper clamping jaw mechanism, a bridge sleeper lifting power mechanism, a swing mechanism annular guide rail and a swing mechanism flange plate, and the auxiliary bridge sleeper storage and transportation device is a new and old (invalid) bridge sleeper transferring device. And the main bridge sleeper storage and transportation device is a device for storing and transporting new and old bridge sleepers of the construction skylight. The device has the advantages that the device is simple in structure, light in weight, convenient to assemble and disassemble, safe and easy to control in construction and high in operation efficiency, the labor intensity of operators is greatly reduced, a plurality of bridge sleepers in a construction skylight can be quickly replaced, and the device is suitable for maintenance and replacement operation of bridge sleepers of various steel structure bridges.