135results about "Mechanical devices for scotch-blocks" patented technology

A single-drive-point joint turnout is provided with a driving beam, three driven beams and five trolleys located on corresponding turning tracks. The beams are in lap joint and hinged and then fixed on the corresponding trolleys. The trolley I is provided with a driving device and a locking device, wherein a positioning device is fixed on a base, the locking device and the positioning device are matched to achieve locking of the trolley I, and the driving device achieves movement of the trolley I. The front end of a long sliding arm is in rigid connection with the trolley II, the rail end of the long siding arm extends to the back portion of the trolley III and is hinged to the base through a sliding rotation pair. The front end of a middle sliding arm is rigid connection with the trolley III, and the tail end of the middle sliding arm extends to the position between the trolley III and the trolley II and is hinged to the long sliding arm through a sliding rotation pair. The front end of the short sliding arm is in rigid connection with the trolley IV, and the rail end of the short sliding arm extends to the back portion of the trolley IV and is hinged to the base through a sliding rotation pair. The rear end of the trolley V is hinged to the base. The manufacture and debugging difficulty of a joint turnout driving and locking system is reduced, and the reliability is improved.

A switching assembly includes a pair of hollow ties, a pair of supports, and a linkage. The linkage extends generally through the hollow ties, whereby the cribs are generally free of linkage components, and the ballast in the cribs can be compacted with known automated machinery. The linkage includes a number of lugs and a number of rods, with the rods each being formed from standard bar stock and threaded, and with the linkage configuration avoiding the need to custom bend any of the rods. The hollow ties are formed from generally available standard box section steel, as are the supports. The spacing between the hollow ties can be varied in accordance with the pitch of the other rail ties of the railroad switch. Each hollow tie can include a heater. The switching assembly is highly adjustable, which makes it suitable for use in numerous different track configurations.

A wireless position sensing device is provided for monitoring railyard equipment status. The device comprises a gravity sensing mechanism for sensing an angular displacement with respect to a substantially vertical line, and for generating a displacement signal upon sensing a change in angular displacement exceeding approximately 40 degrees. A processing mechanism, operatively coupled to the gravity sensing mechanism, receives the displacement signal. A radio frequency transmitter, responsive to the processing mechanism, transmits a data signal indicative of the angular displacement. The processing mechanism is programmed to activate the radio frequency transmitter upon receipt of the displacement signal. The gravity sensing mechanism is affixed, attached, or mechanically coupled to railyard equipment comprising at least one of a manually operated rail switch or a safety indicator.

A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch machine to move the switch points without having to overcome the brake resistance applied to the power shaft by the brake and gearbox thereof.

The present disclosure provides an apparatus for switching a vehicle from a first track to a second track. The track-switching device may be rotated by a motor, and may have a drive axle and a primary axle. The drive axle may have a barrel located at one end of the drive axle, the barrel having a plurality of switch tracks located thereon and a braking assembly connected to the drive axle and spaced from the barrel. The primary axle may have a flywheel and a clutch assembly. The drive axle may then be driven by the primary axle upon engagement of the clutch assembly via the motor and the energy stored in the flywheel. A method for switching a vehicle from a first track to a second track is also provided.

The invention discloses a rail cross turnout in multi-directional intercommunication. The rail cross turnout comprises a turning disc and a direction changing device, wherein the turning disc is responsible for enabling the turning of lines to be connected; when the turning disc performs line connection in multiple directions, the lines are crossed or connected; the direction changing device is mounted at a cross point or a connected point, so that a certain line is selectively communicated with one line at the cross point or connected point, and another line is cut off or blocked. Through the cooperation of the turning disc and the direction changing device, a vehicle can make various turning actions, so that intercommunication in multiple directions of rails is realized.

A method and system are provided for opening and securing a railroad frog. The system is provided with a body member and a plurality of attachment members, which are selectively securable with the body member. The attachment members are structurally configured to secure to different structural features along spring wing rails and fixed structures positioned opposite the spring wing rail. Manual actuation of a tensioning mechanism that is coupled with the body member advances opposing first and second attachment members toward one another, moving the spring wing rail into an open position. Wedge members, coated in a non-slip material are provided as an additional means for securing the spring wing rail in an open position.

The invention relates to the technical field of rail transit, and concretely relates to a monorail overhead rail type turnout rail transfer system. The system comprises entry rails, exit rails, a connecting frame and a rail changing assembly, the entry rails and the exit rails are I-shaped rails, the system further comprises a rotating rail used for connecting the entry rail and the exit rails, one of the entry rails corresponds to one rotating rail hinged to the entry rail, and the rotating rail corresponds to at least two exit rails; a control unit is electrically connected with a driving unit; and the driving unit drives a trolley to do reciprocating motion along a slide way under the control action of the control unit, and the rotating rail is butted with the corresponding exit rail, so that rail transfer is realized. The rotating rail hinged to the exit rails is arranged, so the influence caused by forcible dragging during rail changing is avoided; and the driving unit drives therotating rail to achieve mechanical rail transfer, so the reliability of the rail transfer system is greatly improved, and the service life of the rail transfer system is greatly prolonged.

The invention relates to straddle-type monorail substitute beam single-crossover turnout equipment and a rail switching method. A turnout is integrally mounted on a basic bottom plate, and two first support platform trucks are used for supporting a front curved turnout beam and a rear curved turnout beam respectively, wherein the front curved turnout beam and the rear curved turnout beam are located at the turning center of the beam substitute turnout; a curved engagement beam is located between the front curved turnout beam and the rear curved turnout beam and is mounted on a fixed support pier and used for being connected with the front curved turnout beam and the rear curved turnout beam; two second support platform trucks are used for supporting straight turnout beams respectively, wherein the straight turnout beams are located at the turning center of the beam substitute turnout; a drive walking device provides power for turnout switching and supports the straight turnout beams; in the drive walking device, a drive gear meshes with a rack, in this way, the drive walking device is driven to move, and therefore the straight turnout beams are dragged to rotate by a certain degreealong a preset position and are in butt joint with corresponding rail beams to form the turnout; according to a locking device, a bolt locking mode is adopted, and after the turnout rotates in place,a locking bolt is inserted into a locking groove to achieve locking.

The invention relates to a device to be integrated with to a manual switch stand, particularly for use in dark territory. The device secures the spindle of the switch stand against rotation, thereby preventing authorized throwing of the switches. The device also contains sensors that will clearly indicate to an external observer both the position of the switch points and the locked or unlocked status of the switch stand. A particular sequence of steps must be taken before an operator will be able to unlock the switch stand and throw the switch, and further steps are required before he can secure the switch stand and remove his key. The switch stand must therefore be left in a locked state, and it continuously indicates the status of the switch stand to a remote monitor.

A railroad switch machine gear box having a low vertical profile is provided, wherein a compound gear rotatably mounted within a housing along a first vertical axis cooperatively engages an adjacent main crank gear. The main crank gear is rotatably mounted within the housing about a main crank shaft that extends vertically within the gear box housing along a second vertical axis that is different than the first vertical axis. A bevel gear fixedly mounted to a hand throw shaft rotatably mounted within the housing along a first horizontal axis cooperatively engages the compound gear, thereby to rotate the compound gear when the hand throw shaft is rotated, typically with a hand throw lever affixed to the hand throw shaft external to the housing. The hand throw shaft may be rotatable about an eccentric shaft that is independently mounted and rotatable with the housing along the first horizontal axis. A motor/manual mode selector lever may be affixed to the eccentric shaft external to the gear box housing, thereby to rotate the eccentric shaft in a manner known in the art. Typically, rotation of the mode selector lever in a first direction selects a manual mode of gear box operation; rotation in the opposite direction selects a power mode of operation. A clutch yoke may be slidably mounted about a clutch cup assembly and the main crank shaft, and may be pivotable at a first end along a pivot pin positioned along a pivot axis that is parallel to the first horizontal axis, thereby to provide the advantage of simplifying movement of the hand throw lever and the mode selector lever from one side of the gear box to the other. The pivoting action of the eccentric shaft may be detected by a proximity sensor that senses a target associated with the second end of the clutch yoke.

The invention provides a remote control type automatic switching machine. Automated transformation for the original manual switching machine is realized via combination of a worm speed-reducing motor, a remote control and an LED (light-emitting diode) signal light. The technical scheme is delicate and flexible, and the machine has high operability and is easy to use. Compared with the original manual switching machine, manual switching is eliminated, and direct remote control of switching in a locomotive cab can be achieved prior to arrival at a turnout.

A railroad switching apparatus utilizing a tie which is positioned under rails and points used in switching railroad cars. A support is interposed the tie and the rails and points and includes a passageway to guide the first and second indicator bars which are attached to the points. A slider is also employed at the attachment point of the indicator bars to the points to accommodate the thermal expansion and contraction of the rails and points. The indicator bars are formed into a coaxial unit in order to allow simple observation of the relative movement between the first and second indicator bars to determine proper movement of the points relative to the rails.

The invention discloses a crossover turnout and a rail transit system with the same. The crossover turnout comprises a first straight track and a second straight track which are arranged in parallel,a first transition track and a second transition track which are arranged crosswise, a rotating track and four single-opening turnouts, the first straight track comprises a first head section, a firstmiddle section and a first tail section, s second straight track comprises a second head section, a second middle section and a second tail section, the first transition track comprises a first frontsection and a first rear section, a second transition track comprises a second front section and a second rear section, the rotating track is rotatably arranged at the junction of the first transition track and the second transition track, the four single-opening turnouts are communicated between the first middle section and the first front section, between the second head section and the secondmiddle section and the second front section, between the first tail section and the first middle section and the second rear section, and between the second tail section and the second middle sectionand the first rear section respectively, and the single-opening turnouts comprise fixed beams and movable beams. The crossover turnout has the advantages of being simple in structure, good in economical efficiency and light in switch.

A monorail switch for a monorail guideway comprises a moveable guide beam having lateral running surfaces and an actuating mechanism. The actuating mechanism, equipped with a counterweight, is operative to move the moveable guide beam from a tangent position, where the moveable guide beam is aligned with a tangent travelling direction, to a turnout position, where the moveable guide beam is aligned with a diverting direction. Potential energy stored in the counterweight is released and at least partially stored in the form of elastic potential energy in the lateral running surfaces when the moveable guide beam is moved from the tangent position to the turnout position. Similarly, the elastic potential energy stored in the lateral running surfaces is released and at least partially stored in the form of potential energy by the counterweight when the moveable guide beam is moved from the turnout position to the tangent position.

In a railroad switch for use with intersecting railroad rails and having two switch points interconnected by a switch machine between two switch point assemblies and connected thereto by an operating rod at each end of the switch machine, a system for a greaseless switch point assembly having a mounting clip and a pivot pin for connecting each operating rod to its associated switch point, the greaseless switch point assembly having a bushing proximate a part of the pivot pin that fits within an opening in the mounting clip, and an insertion device extending into the opening proximate the bushing.

A switch point (20) is alternatively raised and lowered. An upper comb structure (22) has a switch point (20) on its upper surface and teeth (23) on a lower surface. A lower comb structure (24) has compatible teeth (25) on its upper surface. The upper comb (22) moves only vertically. The lower comb structure (24) moves only horizontally. The combs may assume a raised configuration wherein the upper comb teeth (23) are supported on the lower comb teeth (25), or alternatively, a lowered configuration wherein the upper and lower comb teeth are nested. The comb structures (22, 24) have either laterally or longitudinally disposed teeth, and may be either linear or curvilinear with respect to a longitudinal axis. The combs and switch point are enveloped within containment walls (36) and end plates (38) so as to be a largely sealed unit.

The invention discloses a turnout beam drive device of a straddle type monorail turnout and the straddle type monorail turnout. The turnout beam drive device comprises a guide rod and a rotary drive component, wherein one end of the guide rod is rotationally fixed to the ground, and a thread is arranged on the guide rod; the rotary drive component is rotationally connected to the position below aturnout beam and comprises a drive motor and a first gear, the first gear is in thread fit with the guide rod and is in transmission with the drive motor, and therefore the guide rod is driven by thedrive motor through the first gear to rotate around the fixed end of the guide rod. Through arrangement of the first gear and the guide rod, the turnout beam can be driven to move in a thread drive mode, and vibration and noise of the whole turnout beam in the operation process can be effectively reduced in the mode. In addition, the occupied ground space of the turnout beam drive device can be reduced as well, and the arrangement reasonability and reliability of the turnout beam drive device can be improved.

The invention relates to a rail turnout, in particular to a turnout for coal mine rope-drawn rail-trapped vehicles and aims to solve the technical problem by providing the turnout, which is simple and reasonable in structure, allowing the rail-trapped vehicles to change rails smoothly, allows a wire rope to be free of jamming, allows convenient rail changing and is safe and reliable. According to the technical scheme, the turnout is characterized in that a single turnout body mainly comprises a stock rail, a switch, a switch rail, a curve-of-turnout rail, a frog center, a guard rail and a wing rail; the curve-of-turnout rail comprises a fixed segment, a front curve rail and a rear curve rail; one end of the front curve rail is hinged to the fixed segment; the rear curve rail is hinged to the wing rail of the frog center; one side of the stock rail is provided with a drive mechanism used for controlling joint of the front curve rail and the rear curve rail; the section of the joint of the front curve rail and the rear curve rail is provided with a cut used for accommodating a wire rope. The turnout is simple in structure, allows reasonable and smooth rail changing, allows the wire rope to be free of jamming and is widely applicable to rail changing for rail-trapped vehicles.

The invention relates to basic equipment in the field of rail transit, in particular to a turnout sleeper type switch machine with state information output. The turnout sleeper type switch machine with the state information output comprises a fixed steel turnout sleeper; a power unit and a transmission unit fixed in the steel turnout sleeper are arranged in the steel turnout sleeper; the transmission unit is used for driving a turnout switch rail to change the position; the turnout sleeper type switch machine with the state information output further comprises a presentation unit; the presentation unit comprises an electrical joint and an electrical joint; the turnout sleeper type switch machine with the state information output further comprises an information collection and processing device; the information collection and processing device collects and arranges main state parameters of the switch machine and transmits the main state parameters to a terminal; the transmission unit isconnected with a turnout switch rail connecting rod through a vertical rod frame; and the turnout switch rail connecting rod is connected with the turnout switch rail. The turnout sleeper type switchmachine with the state information output is suitable for switching and locking of a railway turnout and correctly reflects the terminal position of the turnout switch rail; an information system canreflect the state of the switch machine and is used for a system to maintain and manage big data; and a close mechanical structure does not occupy the line space.

A device is provided for manually maneuvering a set of switch points, the device includes a housing which is intended to apply a force at a location of a set of rail switch points in order to move the set of switch points relative to the housing from a first switch points position to a second switch points position. The device also includes a guided member for controlling the set of switch points, which can be moved relative to the housing, a guiding member, which can also be moved relative to the housing, a transmission mechanism for driving the guided member in one direction when the guiding member moves in a first direction. The guiding member is capable of being moved in a second direction, opposed to the first direction, while the guided member remains fixed relative to the housing.

The invention discloses a turnout combination for sharing running lines. The turnout combination comprises multiple track beams (1), the track beams are arranged at the two ends of a turnout respectively, the quantity of the track beams (1) at one end is larger than that of the track beams (1) at the other end, at least one track beam (1) at the end with a larger quantity is used as the shared running line, at least two pivot-type turnouts (1 and 2) are arranged between the track beams (1), and a running trolley track (3) is arranged at the bottoms of the two pivot-type turnouts (1, 2) and isprovided with triggers (6) and a triggering type vehicle stopper (5). The turnout combination for sharing the running lines achieves parallel connection of two or more sets of pivot-type turnouts (a double-way turnout, a three-way turnout or a four-way turnout) and different lines, the vehicle regulation work space and the running path in a vehicle base are drastically saved, and the vehicle regulation work efficiency is improved.