260results about "Locking mechanisms for points" patented technology

A point detection system is provided for use in a typical switch machine with a typical indication system, wherein a point detector bar is slidably captivated within a point detector sleeve, and wherein a target that is integrally engaged with the point detector bar is sensed by at least one sensing device, thereby to detect movement of the point detector bar. The point detector sleeve is supported by a track side bearing affixed to a track side wall of the switch machine, and by a field side bearing affixed to an opposing wall of the switch machine. The point detector bar extends outside the switch machine from only the track side bearing, thereby eliminating the bearings and the pinch point between the hand throw lever and the two piece point detector bar that otherwise extended from the related art switch machine. The sensing device may be mounted upon a slide mechanism to adjust the sensing device relative to the target. Use of the sensing device eliminates the need for cams to monitor in order to detect movement of the point detector bar, as well as eliminates moving parts between the cams and the mechanical linkages. Further, at least one other sensing device detects a normal and reverse locked position of a lock bar assembly and lock box of the switch machine.

A railway switch circuit controller has a housing enclosing a laterally movable platform with a first and second target affixed thereupon. A first and second proximity sensor within the housing is positioned to detect the first and second target, respectively, such that the proximity sensor upon detection of the respective target may provide a signal. The platform is connected to a point detector connecting rod of a railway switch, thereby to be movable relative to the movement of the point detector connecting rod. In a first preferred embodiment, the platform may be cooperatively engaged with a rotational drive shaft that is connected to the point detector connecting rod, thereby to move laterally when the drive shaft is rotated by lateral movement of the rod. In the first preferred embodiment, the first and second proximity sensor may be fixed within the housing and the first and second target may be adjustable laterally within the platform towards and away from the other target, respectively.

PCT No. PCT/AT97/00051 Sec. 371 Date Sep. 14, 1998 Sec. 102(e) Date Sep. 14, 1998 PCT Filed Mar. 11, 1997 PCT Pub. No. WO97/33784 PCT Pub. Date Sep. 18, 1997Device for detecting the positions of pivotable parts of a rail switch, such as, e.g., tongue rails (1, 2) by at least one sensor designed as a continuous distance sensor (4,5,6,7), wherein the sensor output is connected to a circuit arrangement (10) for two separate evaluations, the first evaluation being configured as a distance evaluation and the second evaluation being configured as a function control of the sensor, as well as a method for evaluating signals.

The invention provides a video monitoring method and a video monitoring system of indication rod gaps of a railway point switch. An infrared camera is adopted by the system to collect an indication rod gap image; an original pixel image is processed and a characteristic parameter is extracted by an image acquisition processor at the filed of a point switch, so that precise calculation of the indication rod gap data is realized; and meanwhile, data of turnout wrenching process videos, cross-train vibration videos, live broadcast videos, current gap position images, gap position information, temperatures and humidity and the like are communicated and transmitted to an industrial personal computer of a monitoring station through a communication network. The system is rapid in transmission speed and process speed, strong in real time, high in image resolution and convenient in observation; in addition marks need not to be set, and transformation to the point switch is unnecessary, and no new cables need to be paved, so that the network can be constructed according to on-site situations flexibly; and the setup is more convenient.

The invention discloses a straddle type monorail traffic joint type five-slip track switch comprising a first track switch beam, a second track switch beam, a third track switch beam, a fourth track switch and a fifth track switch beam arranged in sequence; 6 bogies are arranged in sequence on the five track switch beams; the bogie arranged on the outer side of the first track switch beam is mounted on a track switch fixed end; the other five bogies are arranged on a walking rail of the track switch mount base, so the 6 bogies can connect and support the five track switch beams; said 5 bogies are respectively provided with a locking device used for locking the 5 track switch beams after switch motions; a first drive unit, a second drive unit and a third drive unit are respectively arranged below the second, fourth and fifth track switch beams, thus realizing track switch beam switching; the first, second and third drive units are connected with a control system; the straddle type monorail traffic joint type five-slip track switch is easy to mount and debug, and convenient in anaphase maintenances.

A railroad switching indicator apparatus for use with a point detector bar, and a point locking rod which cooperatively locks with a locking bar. First and second point detector bar receptors generate first and second signals indicating the first and second terminal movements of the point detector bar. At the same time, a point lock rod receptor generates another signal indicating the locking of the locking bar with the point locking rod.

The invention relates to a double 2-vote-2 architecture-based four/six-wire turnout driving system. The double 2-vote-2 architecture-based four/six-wire turnout driving system comprises an interlocking lower computer IPS, an interlocking maintenance platform SDM, a four/six-wire turnout driving module PDDM4/6 and a full electronic communication module EIOCOM2, wherein the four/six-wire turnout driving module PDDM4/6, the full electronic communication module EIOCOM2 and the interlocking lower computer IPS are connected sequentially; the full electronic communication module EIOCOM2 is connected with the interlocking maintenance platform SDM; the four/six-wire turnout driving module PDDM4/6 acquires a turnout driving command through the interlocking lower computer IPS, controls a permission relay and a direction relay in a four/six-wire turnout to absorb and fall down, drives the turnout to rotate towards the specified direction, and acquires representation information of the turnout after the turnout rotates in place. Compared with the prior art, the double 2-vote-2 architecture-based four/six-wire turnout driving system has the advantages of replacing the existing relay circuit by using a high-performance circuit board, greatly reducing construction and maintenance costs and the like.

The invention relates to operation state online automatic detection control method of hydraulic goat railroad switch, and relative device, which is formed by a pressure sensor, a embedded microprocessor control module, a A/D conversion module, a serial port communication module, a storage module, and the detecting software of PC machine. It is characterized in that: it uses the system of upper and lower machines, while the upper machine and several lower machines can realize the distributed data collection and detection via bus; and via the detecting software and separation protection device can form, it can form a hydraulic goat railroad switch with self-maintenance ability, anti-disturb ability and lower energy consumption. And it can alarm real time and inquire and analyze history data.

A device for locking the end positions of movable railway switch parts in which two parts axially displaceable relative to each other are displaced into a position coupled to each other for movement in at least one direction. The relatively displaceable parts, formed by a tube and a rod guided within the tube, are arranged at least partially within a stationary external tube. Locking elements comprising balls cooperate with the axially displaceable parts and the external tube and are displaceable radially into a lock position within a recess of the external tube. The balls are surrounded by a ring resiliently held in a position having an outer diameter smaller than, or equal to, the outer diameter of the axially displaceable tube retained in a peripheral groove of the tube. The balls are arranged in openings in the tube between the rod and the ring.

The invention relates to a method for directly collecting gap data measured by an indication lever gap image of a railway point switch, which is characterized by comprising the following steps: storing the collected indication lever gap image; reading the indication lever gap image to be processed; limiting an indication lever gap into a preset area; obtaining an edge coordinate of an L-shaped gap indicator in the indication lever gap image; extracting the edge information of a gap by using an SOBEL edge searching method; filtering the edge information morphology of the gap into a gap analysis image; carrying out histogram statistic on the gap analysis image to obtain two edges of the gap; accurately searching the two edges of the gap to obtain an edge coordinate of the gap; obtaining notch data according to the image resolution ratio and the coordinate; and outputting the coordinate and the gap data, newly collecting the said rod gap image and repeating all the steps. The method has the beneficial effects that a mark is not required to be set, the point switch is not required to be improved, and the results are not influenced by the mark setting precision and are more accurate.

The invention discloses a method for detecting the state of a gap of a DC switch. The method comprises the following steps of step A) performing isolated collection on a real-time action current I of the DC switch, and collecting a real-time working voltage U of the switch; step B) according to the real-time action current I and the real-time working voltage U, performing calculation so as to obtain a real-time power P=U*I of the DC switch; step C) according to the real-time power P of the DC switch and a speed V of a switch machine, performing calculation to obtain a resistance F=P/V of switch movement, so as to draw a resistance fitting curve of the switch movement; step D) analyzing the resistance fitting curve of the switch movement, and judging whether the resistance fitting curve is a normal movement state of the gap of the switch machine or not; and step E) according to the movement state of the gap of the switch machine judged in the step D), outputting a switching value signal of the corresponding gap state. According to the method disclosed by the invention, mounting video equipment, providing an additional electricity supply circuit and providing a high wideband are not needed, and the method is simple in construction, safe in monitoring, low in cost and accurate in testing results.

The invention relates to the technical field of railway traffic equipment, in particular to a buried integrated battery solution railroad switch. The buried integrated battery solution railroad switchcomprises a shell, a turnout assembly, an EHA driving assembly, a transmission locking assembly and an expression junction group; the turnout assembly comprises a monorail turnout, an integrated turnout and a fork-rail turnout, wherein the monorail turnout is fixedly arranged at one side of the top of the shell, the integrated turnout is arranged on the top of the shell, and the fork-tail turnoutis fixedly arranged at the other side of the top of the shell; an output end of the EHA driving assembly is in transmission connection with an input end of the transmission locking assembly; an output end of the transmission locking assembly is in transmission connection with the integrated turnout and the expression junction group respectively; the EHA driving assembly drives the transmission locking assembly to execute the horizontal movement of the integrated turnout and complete the switch movement. The buried integrated battery solution railroad switch has the advantages that the buriedintegrated battery solution railroad switch can be buried underground and can share roads with pedestrians and other vehicles crosswise when being used in an urban railway system, thereby not obstructing the passing of the pedestrians and vehicles; the vehicles are more stable and reliable during turning, and the comfort of taking the vehicles is improved.

The invention provides a portable switch operating current curve acquisition device, relating to the auxiliary device of railway signal monitoring. The device comprises a clamp type non-contact DC and AC collection module, a signal conditioning module, a master control module, a display module, and a power supply module. The clamp type non-contact DC and AC collection module is clamped in the operating return wire of a switch control circuit. The output end of the clamp type non-contact DC and AC collection module is connected to the input end of the signal conditioning module. The output end of the signal conditioning module is connected to the input end of the master control module. The output end of the master control module is connected to the display module. The output end of the power supply module is connected to the input end of the master control module. According to the device, the outdoor maintenance operation of the electric staff is facilitated, the efficiency of outdoor switch maintenance and fault processing is improved, the portable switch operating current curve acquisition device has the advantages of small size, convenient carrying, high reliability, strong practicability, easy maintenance, low cost and easy promotion and use.

The invention discloses an elevated translational rail changing device and a track of a straddle-type monorail track, comprising a walking rail beam, a cross track beam block, a first rail changing beam block, a second rail changing beam block, a rail changing actuator, a The rail locking mechanism, the signal lamp, the support column and the installation platform fixed on the top of the support column can change the positions of the first track change beam block and the second track change beam block through the track change actuator installed on the elevated installation platform to realize Different trains run on different elevated straddle monorails. Another solution of the present invention is to provide an elevated translational track change method for a straddle-type monorail track. The invention has the advantages of simple structure, stability, reliability and high efficiency.

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 discloses a lifting straddle type monorail turnout. The lifting straddle type monorail turnout comprises a first turnout lifting beam (4) and a second turnout lifting beam (5), wherein the first turnout lifting beam (4) is used for being connected with a first turnout fixing beam (1) and a third turnout fixing beam (3), and the second turnout lifting beam (5) is used for being connected with a second turnout fixing beam (2) and the third turnout fixing beam (3); the first turnout lifting beam (4)and the second turnout lifting beam (5) are both connected with a driver, and the first turnout lifting beam (4) and the second turnout lifting beam (5) are used for being driven by the driver to ascend and descend; guide columns among the beams are arranged on both the first turnoutlifting beam (4) and the second turnout lifting beam (5). According to the lifting straddle type monorail turnout, structuresand a specific arrangement mode of key components of the lifting straddle type monorail turnout, a beam replacement way corresponding to the overall turnout beams and the like are improved, and compared with the prior art, the lifting straddle type monorail turnout can be used for effectively solving the problem that the turnout beamsoccupya large horizontal space.

The invention discloses a method for accurately monitoring the closure distance between a switch rail and a base rail of a turnout. Based on the electromagnetic eddy current testing principle, the lift-off effect principle of an electromagnetic eddy current testing sensor in electromagnetic eddy current testing is used, the closure distance between the sharp end of the switch rail and the base of the turnout is monitored through the sheet-shaped electromagnetic eddy current testing sensor, whether the turnout is turned in position or not can be monitored, the closure distance between the sharp end of the switch rail and the base of the turnout can be accurately monitored, and complete safety evaluation indexes for turnout operation can be provided.

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.

In a connecting device for a switch actuator and/or a lock for movable parts of a railway switch or crossing, including a rod assembly, in particular a sliding rod or a locking rod articulately connected with the movable part, the movable part or the rod assembly, in particular the switch tongue (2), is rigidly connected with a strap (4) engaging from behind a pin (5) connected with the rod assembly or the movable part for transmitting tensile forces. Between the rod assembly and the strap (4) or the movable part is arranged at least one elastic compression element, which is compressible by the rod assembly in the abutment position of the movable part on a rigid rail part, the strap (4) being displaceable out of abutment on the pin (5).

The invention discloses a switch point closure detector. The switch point closure detector comprises a base, a contact point group and a rotating mechanism. The rotating mechanism rotates in two directions respectively along with close contact and separation of switches, so that the contact point group is powered on and powered off. The contact point group and the rotating mechanism are both located on the base. The contact point group comprises a first contact point, a first starting sheet and a first roller mounted on the first starting sheet. The rotating mechanism is a gear set which comprises a gear, a close contact gear and a sector gear, wherein the close contact gear is coaxially and fixedly connected with the gear, the sector gear is meshed with the gear, the outer surface of the close contact gear is a concave-convex surface, the first roller is matched with the concave-convex surface of the close contact gear in a rolling mode, and the sector gear is connected with a movable part of one switch through a connecting rod group. The switch point closure detector converts linear displacement of a switch rail into rotational motion, achieves the purposes of detecting whether the switch rail and a stock rail are in close contact and whether a separated rail arrives in place by switching power-on and power-off of the contact point through the rotating mechanism, and is small in size and convenient to install.

The invention relates to a device for checking the end positions of movable parts of a track switch, wherein at least one individual end position detection device (5, 6) is assigned to each movable switch part (3, 4), wherein the The terminal position detection device (5, 6) comprises a connecting rod (8) and a detection device housing (9), and the connecting rod (8) is inserted into the detection device housing (9) and in the detection device housing (9) At least one end position switch (5, 6) is arranged for detecting two end positions of the movable switch element (3, 4). According to the invention, the connecting rod ( 8 ) in the region where it is inserted into the housing ( 9 ) or the housing ( 9 ) has at least two shafts spaced from one another in the axial direction for actuating the at least Switch sides of an end position switch (5, 6), wherein at least one of the switch sides is arranged in such a way that it can be adjusted in the axial direction relative to the other switch side and fixed in a corresponding position.

The invention discloses a turnout device for a monorail crane in a coal mine and a moving method of the turnout device, and belongs to facilities in the coal mine. The turnout device comprises a frame, a swing rail, an inlet rail and an outlet rail, wherein one end of the swing rail is connected with the frame via a bearing, and the other end of the swing rail is arranged on a slide way and driven by an air cylinder to swing. The turnout device is characterized in that the slide way is arc-shaped, and the swing rail is arranged on the slide way via the bearing. A crank arm is enabled to act via extension of the air cylinder, the swing rail is driven to swing in reciprocation, a swing end of the swing rail is driven to roll in reciprocation on the slide rail under the action of the bearing, and the swing end of the swing rail is locked by a locking mechanism when swinging to a position in butt connection with the inlet rail, thus automatic rail changing via craning two rails by a monorail is realized. A sliding fulcrum is in a rolling mode, so that turnout direction can be changed freely.

The invention relates to the technical field of toothed rail traffic engineering equipment and in particular relates to a movable toothed rail conversion device for a toothed rail turnout zone. The device comprises a rotating rod and the rotating rod is positioned on the outer side of a basic rail; one end of the rotating rod is hinged to an outer side toothed rail connecting rod, and the other end of the rotating rod is hinged to an inner side toothed rail connecting rod. The outer side toothed rail connecting rod is used for being connected with an outer side movable toothed rail. The innerside toothed rail connecting rod is used for being connected with an inner side movable toothed rail. Two connecting points of the outer side movable toothed rail and the outer side toothed rail connecting rod are located on the same side of the hinge point of the rotating rod and the outer side toothed rail connecting rod, and two connecting points of the inner side movable toothed rail and the inner side toothed rail connecting rod are located on the same side of the hinge point of the rotating rod and the inner side toothed rail connecting rod. By adopting the device, the number of detection devices can be reduced, position state detection is safe and reliable, and maintenance is convenient.

The invention discloses a turnout switch machine expression rod notch signal processing circuit. An input buffering circuit receives a turnout switch machine expression rod notch signal detected by anelectric eddy current sensor. The signal is transmitted to a peak holding and conditioning circuit after being subjected to clamping and impedance matching. An amplifying circuit is adopted for amplifying frequency component of an alternating voltage signal output by an electric eddy probe under oscillation frequency of an oscillator module, wherein the amplifying circuit is formed by connectinga variable LC parallel network and an operational amplifier AR2 in series through double T networks. Later, the peak holding circuit obtains an expression rod notch peak signal and outputs the signalafter keeping the signal for a certain period of time, one way is fed back to the variable LC parallel network, resonance with the frequency component of the alternating voltage signal is achieved, the frequency stability of amplifying of the amplifying circuit is improved, the other way is compensated after being compared with the amplified signal, the amplitude stability of amplifying of the amplifying circuit is improved, after a source electrode following output circuit receives a peak holding signal, the signal is further subjected to impedance conversion through pi-type filtering and source electrode follower and then output to the controller.