74 results about "Railway sidings" patented technology

The invention relates to the technical field of curtains, in particular to a sectional type curtain track which comprises track units and a splicing structure, each track unit comprises a side track, a transmission rack, a side connection positioning mechanism and a side connection locking mechanism, and the splicing structure comprises a butt joint locking mechanism and a butt joint positioning mechanism which are used for locking every two adjacent side tracks. The butt joint locking mechanism comprises an insertion piece, an elastic lock catch, an insertion groove and a buckling groove. The transmission racks and the side rails corresponding to the transmission racks in length are locked through the side connection locking mechanisms to form the rail units, then when the insertion pieces and the insertion grooves are connected in an inserted mode, the elastic lock catches and the buckling grooves are connected in a clamped mode to achieve locking of the two adjacent side rails, and meanwhile the transmission racks in the two adjacent side rails are connected in an inserted mode and positioned through the butt joint positioning mechanisms to complete assembly. According to the sectional type curtain track, the track units with different lengths are spliced to form the curtain track with any length, the processes of measuring, cutting and the like are not needed, and the transportation cost is reduced.

An adjustable standoff for a platform hoist that can withstand hoisting objects along a track to a predetermined height weighing up to 500 pounds. The adjustable standoff for a platform hoist includes: (1) a frame having two side assemblies with hooks to attach the standoff to only the rungs and thereby avoid blocking the side rails that act as the track for the hoist; (2) two legs that are able to adjusted radially within the plane of the side assemblies so that the standoff can withstand the force exerted by loads weighing 500 pounds being hoisted up; and (3) an anchor section to securely fasten the hoist to the structure to avoid the hoist sliding down the ridge of the roof and allowing the heavy loads to crash to the ground with potentially catastrophic consequences for both the structure and the operators below.

The invention relates to the field of measurement, in particular to a track span measuring tool. The measuring tool comprises a zero-position support used for being placed on the outer side of a far side rail, the zero-position support is provided with a zero-position fixing structure used for fixing the zero-position end of a measuring tape body, and the zero-position support is provided with a movable adjusting piece used for abutting against the outer side of the far side rail. The zero-position support is pulled by component force in the track direction of the pull force of the tape towards the near side, the zero-position support moves to the position closest to the tape shell by moving the adjusting piece along the outer side of the far-side track, in the state, a tape body of the steel tape is perpendicular to the track center line, whether the tape body of the steel tape is perpendicular to the track center line or not is not observed by human eyes, manual deviation is not prone to occurring, and the accuracy of measurement is improved. The measurement result is accurate.

The invention relates to the field of state monitoring, in particular to a method for monitoring the health state of a subway train, and the method comprises the steps: determining the smoothness of a track and a track stress distribution characteristic value; calculating an opposite-side rail bearing characterization coefficient of the subway train, determining a change coefficient in combination with the historical rail bearing characterization coefficient, judging whether the rail has an abnormal tendency or not, and determining a processing method; if the track does not have the abnormal tendency, the continuous monitoring state of the track on the opposite side of the subway train is kept; if the track has an abnormal tendency, determining the moving load of the subway train, calculating a derailment risk coefficient in combination with the smoothness of the track, and determining a derailment early warning state of the subway train; responding to the result of the subway train derailment early warning state, positioning a risk point, determining the running distance between the risk point and the subway train, and adjusting the running speed of the subway train; or judging that the subway train needs to be stopped. The processing method is determined by monitoring the running state of the subway train track, so that the running efficiency and the safety coefficient are improved.

A ladder for a work machine defines a length between a first end and a second end. The ladder includes a pair of side rails and a number of rungs removably coupled with each of the pair of side rails and extending between the pair of side rails. Each of the pair of side rails includes a side rail portion, a first portion integral with the side rail portion and a second portion defining a free end and a coupling end. The first portion extends orthogonally relative to the side rail portion. The second portion extends at least partially along the length of the ladder and is integrally coupled with the side rail portion at the coupling end. The second portion extends at an oblique angle relative to the side rail portion. The second portion includes a rolled section at the free end of the second portion.

The invention relates to the technical field of linear motors, and discloses a machine tool hydrostatic guideway linear motor feeding device which comprises a main rail, side rails are fixedly connected to the left side and the right side of the main rail, rail grooves are formed between the side rails and the main rail, and permanent magnet blocks are fixedly connected to the upper surface of the main rail. The inner side of the rail groove is slidably connected with an emergency stop limiting mechanism, the emergency stop limiting mechanism comprises a movable pedestal, an inner air groove is formed in the movable pedestal, the inner side of the inner air groove is slidably connected with an inner groove baffle, the middle of the bottom surface of the inner groove baffle is fixedly connected with a threaded column, and the outer side of the bottom end of the threaded column is provided with a rotating handle; according to the stepless locking device, the limiting clamping rod is controlled by controlling air pressure air supply to achieve stepless locking of the main rail, rapid locking can be achieved when the movable pedestal moves and suddenly stops, and the situation that the displacement precision is affected due to the fact that the movable pedestal cannot immediately stop suddenly due to inertia in the moving process is avoided.

A ramp assembly to accommodate a wheel-chaired passenger to enter or to exit a passenger vehicle. The ramp assembly includes a frame having a drive assembly and a ramp subassembly slidably coupled to the frame. The ramp subassembly includes a ramp and a side rail extending along a side of the ramp. A ramp linkage is pivotally coupled to the ramp subassembly. A wheel is coupled to the ramp linkage, wherein rotation of the wheel adjusts a position of the ramp linkage to move the ramp from a lowered position to an inclined position. The ramp subassembly further includes a rail bracket, pivotally connected to the ramp linkage, and a slide bar, located adjacent to the rail bracket. The slide bar is configured to slide along the rail bracket, wherein sliding movement of the slide bar raises and lowers the side rail.

The utility model discloses a combined group hole type station built by a full-mechanical method, which comprises rail-mounted areas positioned on two sides, an island-type pedestrian area is arranged between the rail-mounted areas, the island-type pedestrian area is communicated with the rail-mounted areas through a platform connecting channel, a working vertical shaft is arranged outside the rail-mounted area on one side, the working vertical shaft is communicated with the island-type pedestrian area, and the working vertical shaft is communicated with the island-type pedestrian area. The rail-mounted area, the island-type pedestrian area and the platform connecting channel are communicated to form a platform layer, and the number of the island-type pedestrian area is one or more. Only a small ground space is occupied for construction of the working vertical shaft, the traffic pressure caused by subway construction to urban busy sections can be effectively relieved, and citizens can go out conveniently. The utility model has the advantages of high mechanization degree and small influence on ground traffic, and can greatly improve the construction efficiency, shorten the construction period of subway projects and reduce the construction cost.

The invention discloses a method for transporting a large steel lining to an over-small circular-arch-shaped area in a tunnel. The method comprises the steps that a water blocking ring steel lining is transported to a guide rail area on the upstream side of a small circular-arch-shaped section area of a diversion tunnel through a heavy forklift and unloaded; a binding device of the steel lining and the heavy forklift is dismantled, and the steel lining makes contact with the side guide rail in an inclined mode; pulling the steel lining to slide on the guide rail through a traction assembly to pass through the small arch-shaped section area; and after the traction assembly is removed, the heavy forklift is adopted to load the steel lining again and transport the steel lining to a mounting station. The main function is to adapt to the diversion tunnel which has been supported and is inconvenient to modify and adjust to the greatest extent, the steel lining can be smoothly transported and passed, the transportation safety of the steel lining is ensured, and the controllability of the construction period is also ensured; the method is light and easy to understand, high in practicability, convenient to construct, high in safety coefficient, novel in creativity, reusable and high in generalization performance.

A collapsible wagon with a foldable / collapsible tailgate frame assembly coupled to a collapsible wagon frame assembly. The collapsible wagon frame assembly has a collapsible frame having a rear frame. The tailgate frame assembly has a tailgate platform having a pair of side rails, each pivotally connected to a corresponding bottom portion near the base of the rear frame, and a slider slidable along the corresponding side rails. A wheel support frame has ends each pivotally connected to a corresponding one of the side rails. A first connection member is pivotally connected to the slider and a wheel support frame, and a second connection member is pivotally connected to the slider and the rear frame. The tailgate frame assembly transitions between a collapsed state and an extended state with each slider sliding along a corresponding side rail.

The application discloses a building construction auxiliary climbing device, which comprises an overhead rail, a rail body, a group of side rails arranged on one side of the rail body, a climbing groove arranged on the same side, an auxiliary rail arranged in the rail body, unidirectional clamping blocks arranged on both sides of the auxiliary rail, a reinforcing device arranged in the rail body, a climbing device, a fixed base layer and a moving layer, pincers arranged on the fixed base layer and the moving layer, a lead screw threadedly connecting the fixed base layer and the moving layer, and electric cylinders arranged on the fixed base layer and the moving layer. The auxiliary climbing assembly realized by the reinforcing device and the lead screw makes the whole overhead operation very safe, the structure is partitioned, the maintenance and operation are facilitated, the operation and maintenance cost is low through the cooperation of the mechanical components, multi-layer protection and fixation can be formed, and the climbing efficiency is also improved.

The utility model discloses a conveying mechanism for batching equipment, which is characterized by comprising a feeding conveying line, a discharging conveying line, an inlet side track, an output side track and a transition conveying line, and a plurality of batching devices and batching conveying lines are arranged between the inlet side track and the output side track; a batching position is arranged on the batching transmission line; a first trolley is arranged on the inlet side track, a second trolley is arranged on the output side track, one end of the inlet side track is a bearing end, the other end of the output side track is a roll-out end, and one end of the feeding conveying line and one end of the transition conveying line both correspond to the bearing end of the inlet side track. One end of the discharging conveying line and the other end of the transition conveying line correspond to the roll-out end of the output side rail. According to the automatic batching device, the batching container can be automatically transferred among different batching devices, automatic discharging of the batching container can be achieved after batching is completed, manual operation is not needed, time and labor are saved, and the labor cost is reduced.

[Problem] To easily accommodate a side rail detached from a bed in a side rail accommodation space provided in the bed. [Solution] The present application provides a bed comprising side rails (15, 16) in which a support table (2) on which a lying person lies is provided above a base (3), and a pair of side rail pillars (19, 20, 21, 22) is provided below side rail bodies (17, 18), the supporting table (2) is detachably arranged on the left side or / and the right side of the base (3), and the side fence containing space (25) is arranged between a plate (a bed tail plate 10 or a bed head plate 11) at the front end or the rear end of the base (3) and the front end or the rear end of the supporting table (2) and used for containing side fences (15 and 16) detached from the base (3). The bed further comprises: a side rail pillar holder (26) for holding the side rails (15, 16) by holding side rail pillars (19, 20, 21, 22) on one side of the side rails (15, 16); and a side fence main body holder (27) for holding the side fences (15, 16) by holding the lower portions of the side fence bodies (17, 18) so as to hold the side fences (15, 16) housed in the side fence housing space (25).

The invention relates to the technical field of steel rail production, and particularly discloses a turnout steel rail with uniformly distributed hardness of a rail waist central section and a production method of the turnout steel rail. The production method comprises the steps that on-line heat treatment is conducted on the rolled steel rail, and the on-line heat treatment comprises the accelerated cooling stage, specifically, when the temperature of the rail top face of the rolled steel rail ranges from 700 DEG C to 800 DEG C, the long leg side rail web and the short leg side rail web of the rolled steel rail are accelerated to be cooled to 490 DEG C to 570 DEG C, the accelerated cooling speed of the short leg side rail waist is higher than that of the long leg side rail waist; and an air cooling stage, wherein the steel rail cooled in the accelerated cooling stage is air-cooled to the room temperature. The production method can be used for producing the turnout steel rail with the hardness of the central section of the rail web uniformly distributed, and the stability of the turnout steel rail in the service process is improved.

The rapid width adjusting device for the carrier track comprises a platform and a controller, and the platform is further provided with two sliding rails which are arranged in the set direction and arranged side by side; the rail assembly comprises a first rail and a second rail which are opposite to each other, and at least the second rail is arranged on the sliding rail; and the adjusting device is in signal connection with the controller, is at least in transmission connection with the second rail and is used for driving the second rail to reciprocate along the direction of the sliding rail. In the whole process, an operator only needs to input adjusting parameters at the PC end to complete rapid adjustment of the track, the adjusting speed is high, and the labor intensity of workers is low.

This utility model relates to a quick-release clamping device for a single-sided rail web grinder, comprising an inverted L-shaped main frame, a convex-edge rail wheel, a movable side top plate, a rail jaw clamping wheel, a rail clamping top clip, a moving handle, a fixed handle, a T-shaped vertical sliding plate, a pneumatic support rod, an electric grinder main unit, a shock absorber, and a force-relieving lateral pull handle. The quick-release clamping device designed in this utility model adopts a balanced fixing method with two-point support on one side for rail clamping and downward pressure on the opposite side's center of gravity. The main frame of the clamping device is made of lightweight metal alloy, and the clamping device structure is extremely simple and lightweight. By pressing down on one side of the handle, the rail is clamped and locked, while on the other side, the grinding wheel presses firmly against the rail, and the device is fixed by the natural downward pressure of the center of gravity. This quick-release clamping device has an ingenious structural design, is easy to install and disassemble, and is simple to operate. It can quickly fix the rail web grinder to or remove it from the rail, effectively reducing on-site construction labor intensity and improving work efficiency.

The utility model relates to the field of mine protection, and discloses an operation supporting device for mine exploitation, which comprises a main supporting frame, a supporting column is fixedly mounted on the bottom surface of the main supporting frame, an adjusting bracket is movably arranged in the supporting column in a sleeving manner, and a bottom fixing plate is fixedly mounted at the bottom end of the adjusting bracket; a rail wheel shell is fixedly installed on the bottom face of the bottom fixing plate, a user firstly starts the first hydraulic cylinder, the top tunnel supporting plate and the side rail supporting plates start to move upwards, the top tunnel supporting plate makes contact with the top of the interior of a tunnel for supporting and reinforcing, then the second hydraulic cylinder drives the side rail supporting plates to rotate in a small range, and the side rail supporting plates are driven to rotate in the small range. The supporting device is arranged on the side of the ore tunnel and makes contact with the side of the tunnel to support and reinforce the side, so that the situation that the side of the tunnel collapses or gravel falls off can be effectively prevented, the ore tunnel can be effectively supported and reinforced in multiple directions, the stability of tunnel mining is improved, and meanwhile the supporting device has the advantage of being easy to move and adjust.

The invention discloses a guide device of a rubber wheel and steel wheel double-track vehicle bogie, and relates to the technical field of rail traffic, the guide device of the rubber wheel and steel wheel double-track vehicle bogie comprises a framework and end supports, and the end supports incline towards guide rails on the corresponding sides; the first connecting rod is hinged to the end of the end support, a guide wheel and a compression spring are installed on the first connecting rod, the compression spring is arranged at the bottom of the framework, and the compression spring drives the guide wheel to press the guide rail on the corresponding side, so that the compression amount of the rubber guide wheel on the guide rail can be automatically adjusted and compensated, and the adjustment timeliness after the guide wheel is abraded is improved; manual maintenance time is reduced, and operation cost is reduced.

The application discloses a wheel type red light connection early warning guide wheel device for a rail flaw detector, which comprises a device main body, the device main body is used for detachable connection with a double-track rail flaw detector, two groups of symmetrical conductive rail running wheels are arranged on the device main body, the two groups of conductive rail running wheels are respectively corresponding to two rails of the double-track rail flaw detector, and the conductive rail running wheels are made of conductive materials. The wheel type red light connection early warning guide wheel device for the rail flaw detector utilizes the original track circuit of a railway, controls the on-off of switches to make the two-side rails short-circuit, triggers a signal system "red light belt", realizes automatic and real-time early warning of an operation position, does not need manual additional protection, and can flexibly control the start and stop of the red light connection function according to operation requirements, and has compact structure, strong adaptability and greatly improved safety and operation efficiency of rail flaw detection operation.

The utility model relates to the technical field of curtains, in particular to a split mounting type manual curtain rail which comprises a plurality of rail units and a fixing unit, each rail unit comprises a left rail and a right rail, the left rail and the right rail are respectively provided with an elastic clamping hook and a clamping groove, and the fixing unit comprises a butt-joint connecting piece and a butt-joint connecting groove. An elastic lock catch is arranged on the butt-joint connecting piece, and a locking groove for the elastic lock catch to be clamped in is formed in the butt-joint connecting groove in a sunken mode. According to the utility model, the left side rail and the right side rail are locked to form a rail unit by utilizing the clamping matching of the elastic clamping hook of the left side rail and the clamping groove of the right side rail; the elastic lock catches on the butt-joint connecting pieces are synchronously clamped into the locking grooves in the butt-joint connecting grooves so that the two adjacent rail units can be fixed, the curtain rail with any length can be formed by splicing the rail units with the same length or different lengths, waste caused by cutting is avoided, and the transportation cost is reduced.

The invention provides a rail foreign matter intrusion detection method and a rail detection device, S1, the rail detection device obtains a side rail distribution image based on a first identification module, and obtains a rail extension path based on a geometric distribution relation of side rails; s2, recording traversed track extension path sections by the track detection device based on a positioning module, and marking intersection positions of different track extension paths as track intersection nodes; s3, the track detection device obtains the multi-modal geometrical characteristics and hardness characteristics of obstacles in the inter-track area and the road shoulder area of the track based on a second recognition module; and S4, indicating the track detection device to realize the obstacle detection function through a minimum path traversal principle based on the multi-mode geometric characteristics and hardness characteristics of the obstacle and the priority setting of the track intersection nodes.

The utility model belongs to the technical field of product conveying, and discloses a conveying device. The conveying device comprises a supporting platform, a confluence rail and a conveying belt, wherein the confluence rail comprises a first side rail and a second side rail which are oppositely arranged; the first rail comprises a third side rail and a fourth side rail which are oppositely arranged, and the third side rail and the second side rail are oppositely arranged at an interval; the second rail comprises a fifth side rail and a sixth side rail which are oppositely arranged, the fifth side rail and the first side rail are arranged in a spaced mode, and the sixth side rail is connected with the second side rail; the output end of the driving assembly is connected with the first flow dividing piece and drives the first flow dividing piece to move, and the first flow dividing piece comprises a first side wall and a second side wall; the first shunting piece blocks the first track when in the first position, and the second track is butted with the confluence track; the whole conveying production line is simple in structure, low in cost and small in occupied space, and the first rail is in butt joint with the confluence rail.

The invention relates to an innovative system rail for the flexible installation of slats for fences and privacy screens. The lateral system rails are attached to any surface such as posts, masonry, or walls. Spacers are placed on the slats and inserted into the rails. The outer contour of the spacers fits precisely into the rails, allowing them to be stacked securely on top of one another, while the inner contour is designed to be flexible to accommodate different slat shapes. The slats are fitted with spacers on the left and right and then inserted into the side rails, allowing them to be stacked on top of one another. This modular design allows for easy installation without screws or special tools and enables flexible arrangement of different slat types, simplifying both installation and maintenance.

The utility model discloses a carriage cover which comprises a first side rail and a second side rail, the first side rail and the second side rail are erected on a pickup truck carriage, a flexible truck cover is arranged between the first side rail and the second side rail, a rear end component is arranged at the tail end of the flexible truck cover, a first assembly is arranged between the first end of the rear end component and the first side rail, and / or a second assembly is arranged between the second end of the rear end component and the second side rail. A first assembly is arranged between the second end of the rear end component and the second side rail, and the first side rail and / or the second side rail are / is provided with a second assembly. Installation between the flexible vehicle cover and the first side rail and / or the second side rail is achieved through cooperation of the first assembly and the second assembly, tension is provided for the installed flexible vehicle cover and the first side rail and / or the second side rail, and the connection strength between the flexible vehicle cover and the first side rail and / or the second side rail is improved.

The utility model provides a speed-increasing type No.9 turnout for urban rail transit. The turnout comprises a switch, a guide curve, a frog, a guard rail and a switch tie, the turnout has a turnout plane line type; the overall length of the turnout plane line type turnout is 28.369 to 29.569 m, the front length of the turnout is 12.639 to 13.839 m, and the rear length of the turnout is 15.73 m; the plane line type of the turnout is a secant line type, and the secant line type is 14-35m in cut; the track gauge of the turnout plane line type full turnout area is 1435mm except that a track gauge structure in the cutting range of a switch rail head is widened; the radius of curvature of the center of the side strand in the turnout plane line type is 260-280 m, preferably 280 m. The straight passing speed can be increased to 120 km / h, the lateral passing speed can be increased to 43 km / h, the overall length, the center, the front length and the rear length of an existing turnout are kept unchanged, the occupied space of the turnout is kept unchanged, the construction cost is basically unchanged, the turnout can be used for newly building lines and reconstructing existing lines, and the line transport capacity is effectively improved.

The invention discloses a handrail structure for vortex-induced vibration control of a closed box girder bridge, and relates to the field of bridge engineering, the handrail structure comprises a central guardrail and side handrails which are located on a bridge floor, and each side handrail comprises a stand column and a plurality of horizontal guardrails connected with the stand column; each horizontal guardrail comprises a rectangular part and an arc-shaped part which are connected with each other, the arc-shaped parts are located on the outer sides of the rectangular parts, and arc-shaped protrusions facing the outer side of the bridge are arranged on the arc-shaped parts. The handrail structure for vortex-induced vibration control of the closed box girder bridge aims to solve the problem that in the prior art, the suppression effect on vortex-induced vibration is poor, and the purposes of reducing the occurrence probability of vortex-induced vibration and improving the suppression effect on vortex-induced vibration are achieved.

A foldable bed includes platforms, first and second support structures for supporting the platforms, and a pair of connection mechanisms for pivotally connecting the first and second support structures such that the first and second support structures are pivotally foldable relative to one another. The first support structure has a pair of first side rails transversely spaced and longitudinally aligned; an upper rail having two ends respectfully connected to the upper ends of the pair of first side rails; and a mounting support bar connected to the pair of first side rails and being parallel to the upper rail. The second support structure has a pair of second side rails transversely spaced and longitudinally aligned; and a lower rail having two ends respectfully connected to the lower ends of the pair of second side rails.

The utility model relates to the technical field of automobile trunks, in particular to a trunk side track and a vehicle, which comprises a track component, at least one plug and a first extension side, the plug is detachably connected with the end part of the track component along the direction vertical to the bottom surface of the track component, and the first extension side is arranged on the track component. The plug protrudes out of the track assembly in the length direction of the track assembly. The first extending edge extends in the direction perpendicular to the length direction of the rail assembly. According to the utility model, specific objects in the trunk are convenient to mount and dismount, the trunk side rail and other structures in the trunk can be favorably limited and connected, and the stability and the aesthetic property of the whole structure of the trunk are facilitated.

The utility model relates to the field of nondestructive testing of rails and steel rails, and discloses a full-channel test piece for a double-rail ultrasonic flaw detector, which comprises a test piece I, a test piece II and a test piece III, the test piece I is provided with a rail head area, a rail waist area and a rail bottom center area from top to bottom, a plurality of notch grooves I are formed in the rail head area of the test piece I, and a plurality of notch grooves II are formed in the notch grooves II; a plurality of screw hole cracks are formed in the rail waist area of the first test piece, a plurality of notch grooves are formed in the rail bottom center area of the first test piece, the second test piece is provided with a rail head area, two side rail end rail head center areas, a rail waist area and a rail bottom center area from top to bottom, and short transverse holes are formed in the inner side and the outer side of the rail head area of the second test piece. The inner side and the outer side of the rail head area of the second test piece are each provided with two first flat-bottom holes. According to the utility model, by optimizing the artificial defect design of the notch groove I, the screw hole crack, the notch groove, the short cross hole, the flat-bottomed hole I, the flat-bottomed hole II and the like, the detection capability test effect of the flaw detector is improved, and the detection capability test effect of the flaw detector is improved.