106results about "Fluid-pressure devices for scotch-blocks" patented technology

The invention relates to the technical field of subway rails, in particular to a rotary disk turnout. The middle area of the rotary disk turnout is provided with a movable turnout rail, and four side rails are fixed rails. The upper part of the turnout rail comprises connecting rotary disk running beams formed by an upper framework and a support beam, a guide beam is arranged on the middle of the turnout rail, the rotary disk running beams are arranged on two sides, an outside protective welding plate is arranged outside the rotary disk running beams, and a roller assembly is arranged on the lower end of the support beam; the upper part of the turnout rail is connected with the lower part of the turnout rail through a transmission shaft and a pivotal bearing assembly, the lower part of the turnout rail is supported by a lower framework, a flat rail assembly and a stop raceway assembly are arranged on the ground around the lower framework; guide beams are respectively arranged on the middles of the four fixed rails, a locking pin device is arranged on the end part of each guide beam, and a hydraulic control device is arranged on a neutral gear between the two fixed rails, and is connected through a pipeline for centrally controlling the four locking pin devices and the rotary device on the center of the rotary disk turnout. The invention provides a matched rail changing technology for Guangzhou subway walking system, and can realize linear guide when the rails are crossed.

The invention discloses a hydraulic turnout junction control and representation system which comprises a feedback unit, a processing unit, an action control unit and a representation unit. The representation unit acquires representation states of turnout junctions and feeding the representation states to the feedback unit; the feedback unit acquires the turnout representation states fed by the representation unit and level states of protection relays and transmits the turnout representation states, the level states and control commands acquired from interlocking machines to the processing unit; the processing unit is used for receiving the control commands, the representation states and the level states which are transmitted by the feedback unit and transmits driving commands to the action control unit according to the control commands and state information; the action control unit is used for receiving the driving commands transmitted by the processing unit and completes corresponding actions according to the driving commands. The hydraulic turnout junction control and representation system has the advantages of small size, compact equipment, rich information and representation forms, easiness in fault control and analysis and the like.

The invention discloses an electro-hydraulic point switch, comprising a motor, a hydraulic assembly, a transmission mechanism, a switch-and-lock mechanism and an expressing mechanism, which are interconnected, wherein a cylinder in the hydraulic assembly is a double-acting cylinder; a cylinder body is fixed, in which a piston moves; a rack tooth shape is processed on a piston rod in the hydraulic assembly to form a piston rack; and the piston rack is connected with the switch-and-lock mechanism and the expressing mechanism by the transmission mechanism composed of gears and racks so as to enable an acting rod for driving a point rail in the switch-and-lock mechanism to move and lock, and enable the expressing mechanism to correspondingly act on to give out the placing or non-placing related expression. The point switch can accurately push a plurality of point switches with point rail conversion switches to act synchronously. The point switch can accurately convert locking and unlocking action parts, effectively shorten the actual movement distance of an expressing part so as to drastically reduce the appearance size of the whole machine and convert into a manual operation mode conveniently and safely, and has the advantages of simplicity and lightness in operation and good sealing performance of the whole machine.

The invention discloses a straddle-type railway turnout comprising a sharing fixed rail, a curve rail, a straight line rail, a driving device and a locking device. The sharing fixed rail is suitable for being fixed on a turnout platform; a trolley assembly is arranged at the bottoms of the curve rail and the straight line rail and comprises a trolley body and a traveling rail arranged at the bottom of the trolley body; the traveling rail is suitable for being fixed on a turnout platform; the trolley body can move in the length direction of the traveling rail relative to the traveling rail; the trolley body is fixed to the curve rail and the straight line rail; the driving device is used for driving the curve rail and the straight line rail to move in the length direction of the traveling rail; and the locking device is used for locking the trolley body. According to the straddle-type railway turnout of the embodiment of the invention, the situation that the trolley body is jammed due to asynchronous driving of two driving devices is avoided, smooth moving of the trolley body is guaranteed, and rail changing of a straddle-type monorail vehicle is facilitated.

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 discloses a suspended permanent magnet maglev turnout system, including a sky-beam, a suspension system, a linear motor system, a bogie and a car, the suspension system, the linear motor system and the bogie are arranged in the sky-beam, and the car is suspended on the bottom part of the bogie; and a suspension frame is also fixed on the middle part of the top part of the bogie, the suspension frame is provided with rolling wheels, and the rolling wheels are used for being matched with a turnout system. According to the suspended permanent magnet maglev turnout system, the structure is simple, installation and maintenance are convenient, safety and reliability are provided, and the impact of train during passing can be eliminated or basically eliminated to ensure stability of train operation.

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 discloses a hydraulic switch machine for an urban rail. The hydraulic switch machine for the urban rail comprises an electrical part and a mechanical part; the electrical part comprisesa motor, a pump valve group, an electromagnetic reversing valve and an electrical box; and the mechanical part comprises a main locking mechanism, an auxiliary locking mechanism, a manual mechanism and a sensor group. The electrical part and the mechanical part are correspondingly placed in two independent shells; and the two shells are connected with each other through a pipeline. The hydraulic switch machine for the urban rail has the advantages that the structure is optimized, practical, simple and reliable; reversing and conversion of an oil passage are realized through the electromagneticreversing valve; an oil pump rotates in one direction; switch split representation can be realized while main and auxiliary double-locking functions are realized; by using a sensor representation mode, intelligent control is convenient to realize; an electric operation automatic recovering function after switch split of the switch machine is realized; and after frequent switch split, higher working stability can still be kept.

The invention provides a sleeper type electrohydraulic switcher. The sleeper type electrohydraulic switcher comprises a hydraulic power unit and a locking unit, wherein the hydraulic power unit is connected with the locking unit through an oil pipe; the sleeper type electrohydraulic switcher is characterized in that: the hydraulic power unit comprises a pump valve group and a speed change mechanism, wherein the pump valve group is of a pump valve integrated structure; the locking unit comprises a locking mechanism and an extruding mechanism, and the locking mechanism generates horizontal force in the action process without oblique force; the extruding mechanism is elastic, has a turnout switching indication function, and can adsorb external impact and protect the locking unit; and the sealing protection grades of the hydraulic power unit and the locking unit are both above IP67. The sleeper type electrohydraulic switcher is small in size, little in occupied space, simple in structure, excellent in sealing performance, high in protection grade, little in failure, little in maintenance work, excellent in stability and high in reliability and does not affect mechanical packing.

The invention provides a hydraulic assembly of an electro-hydraulic switch machine, which comprises an oil tank, an oil pump and an oil cylinder, which are connected together through an oil pipeline, and a piston is arranged in the oil cylinder. The hydraulic assembly is characterized in that the cylinder body of the oil cylinder is fixed on a rack, and the piston therein moves; and a gear rack tooth form is processed on the piston rod of the piston to form a piston gear rack. The oil tank, the oil pump and the oil cylinder in the hydraulic assembly are fixedly connected together, and the oil pipeline therebetween is arranged in an oil way block. The hydraulic assembly provided in the invention can guarantee the movement coordination, effectively avoid leakage and guarantee a more compact structure of the switch machine.

The invention discloses a locking mechanism for a switch machine. The locking mechanism for the switch machine comprises locking iron, an action rod, an action block, a lock block group, an oil cylinder assembly and a damping mechanism. Two grooves are formed in one side of the locking iron. Two sliding grooves and two locking blocks which are of a diamond structure are arranged on the action block, and the action rod is fixedly connected with the action block. One side of the action block is in sliding contact with the locking iron, and the other side of the action block is in sliding contactwith an outer cylinder sleeve of the oil cylinder assembly. The damping mechanism is arranged between the locking iron and the outer cylinder sleeve. According to the locking mechanism for the switchmachine, the locking mode of an existing locking mechanism for the switch machine is improved, and the locking stability and reliability are improved.

The invention relates to the technical field of railroad turnout of city subways, in particular to a shaft journal type railroad turnout which comprises three sections including a fixed track, a railroad turnout track and a tail end track; the fixed track is provided with a front support and a rear support, and a fixed guide beam is paved in the middle of the fixed track; hydraulic pipelines of locking devices are connected with a switching control system in the back of the railroad turnout track and is controlled by a set of hydraulic system in a centralized manner; a raceway cross beam assembly, a backstop raceway cross beam group and a railroad turnout cross beam assembly are arranged at the lower part of the railroad turnout track; a movable straight guide beam assembly and a movable bent guide beam assembly are fixed at the upper part of the railroad turnout track; steel structure framework assemblies are mounted on the two sides of the railroad turnout track; the switching control system is mounted in the middle of the guide beam assembly and beside the backstop raceway cross beam group; and running beams are arranged on the two sides of the tail end track, and a straight tail end guide beam and a bent tail end guide beam are arranged in the middle of the tail end track. The shaft journal type railroad turnout is controlled through an automatic control system and can also be operated by people remotely or shortly, can meet the requirements of automatic section guiding when subway vehicles pass by the joints of track branches smoothly, and can guarantee carrying quality and efficiency of railroad turnout.

The invention discloses a buried electro-hydraulic point switch, and belongs to the technical field of railway traffic equipment. In order to solve the problems of complex structure, reduced reliability of the whole equipment and low efficiency of a buried electro-hydraulic switch machine in the prior art, the invention provides a buried electro-hydraulic switch machine. The buried electro-hydraulic switch machine comprises a switch machine shell, an EHA electro-hydraulic execution system, an actuating rod mechanism, an indication rod mechanism, a node seat system and a manual operation system, wherein the EHA electro-hydraulic execution system is fixed on a corresponding mounting seat of the switch machine shell, the actuating rod mechanism is inserted into a corresponding through hole ofthe switch machine shell, the actuating rod mechanism comprises a starting mechanism, the starting mechanism is clamped on the EHA electro-hydraulic execution system, the indication rod mechanism ismounted at a corresponding mounting position of the switch machine shell, the node seat system is fixed to the switch machine shell mounting seat, and the manual operation system is connected with theactuating rod mechanism. The buried electro-hydraulic switch machine is simple in structural design, easy to operate, higher in operation efficiency of the whole equipment and more convenient to usein road traffic.

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.

The invention discloses a guide type turnout in a monorail, a crossover turnout and a rail transit system. The guide type turnout in the monorail comprises at least one monomer turnout, each monomer turnout comprises a fixed beam and a movable beam, the fixed beam comprises a first boundary beam and a second boundary beam which are arranged oppositely, and the movable beam is movably arranged between the first boundary beam and the second boundary beam to define two switchable traffic lanes. The guide type turnout in the monorail has the advantages that the structure is simple, the economy isgood, the switching mode of the traffic lanes is simple, light and convenient, and the reliability is high.

A control mechanism for a railroad switch machine, the mechanism including a hydraulic circuit operable to move a rail end point of a switch point assembly of the railroad switch machine, a pump to hydraulically operate the hydraulic circuit, and a motor to operate the pump, wherein the only electromechanical parts of the control mechanism are within the motor.

The invention discloses a train track. The train track comprises a trunk track body, a first turnout and a second turnout. The first turnout, the second turnout and the trunk track body are spaced mutually. The train track further comprises a first movable body, a second movable body and a driving device. The first movable body is arranged between the trunk track body and the first turnout in a lifting mode between the first connecting position for connecting the trunk track body with the first turnout and the first disconnecting position for disconnecting the trunk track body with the first turnout. The second movable body is arranged between the trunk track body and the second turnout in a lifting mode between the second connecting position for connecting the trunk track body with the second turnout and the second disconnecting position for disconnecting the trunk track body with the second turnout. The driving device is connected with the first movable body and the second movable body and used for driving the first movable body and the second movable body to rise and fall. According to the train track, train reversing can be achieved.

The invention provides a turnout beam driving device. The device comprises a connecting rod mechanism and a driving assembly, wherein the connecting rod mechanism comprises push rods, swing rods and aconnecting rod, one ends of the push rods are connected with a turnout beam, the other ends of the push rods are connected with the swing rods, one ends of the swing rods are fixed through a fixing mandrel, the other ends of the swing rods are connected with the connecting rod, and the swing rods are suitable for rotating around the fixing mandrel; and the driving assembly comprises a driving source and a driving rod, wherein the driving rod is connected with the connecting rod mechanism, and the driving source drives the connecting rod mechanism through the driving rod. The turnout beam driving device is simple and reliable in structure, convenient to assemble and disassemble, low in cost and capable of reducing vibration and noise of the turnout beam.

The invention provides a sleeve type indication rod for an electric hydraulic switch machine, which comprises an outer indication rod and an inner indication rod. The outer indication rod and the inner indication rod are sleeved together, the outer indication rod at one end of the indication rod is provided with a notch to allow the end of the inner indication rod to be exposed, and a connecting structure is arranged at the end of the inner indication rod and the end of the outer indication rod at the end of the indication rod. The sleeve type indication rod for the electric hydraulic switch machine is easier to be structurally sealed with a box, strength and rigidity of the indication rod can be improved, and the sleeve type indication rod is more reasonable in structure. In addition, by means of the notch structure of the sleeve type indication rod and a junction bend matched with the notch structure, the indication rod can be locked more reliably to guarantee inserting and withdrawing of the moving junction turn to be more reliable.

An actuator arrangement for moving first and second members (3, 4), the two members (3, 4) being interconnected with one another by a linkage (5) extending between them. The arrangement comprises first and second actuator means (6, 7) arranged to bear against respective movable members (3, 4) such that actuation of the first actuator (6) causes both movable members (3, 4) to move in one direction and actuation of the other actuator (7) causes both movable members (3, 4) to move in the opposite direction. A locking mechanism (20, 21) is coupled with the first and second actuators (6, 7) and is so arranged as to allow free movement in opposite directions caused by actuation of the first and second actuator means respectively but to prevent movement in either direction when not caused by actuation of the respective actuator means.

The invention provides a method and a device for determining the state of an electropneumatic turnout switch machine. The method comprises the steps: acquiring the displacement parameter of a movable part in the electropneumatic turnout switch machine and the air pressure of an air cylinder of the electropneumatic turnout switch machine, wherein the movable part comprises at least one of an air cylinder piston, an indication rod and an action rod; and performing state detection according to the air pressure and the displacement parameters so as to determine whether the electropneumatic turnout switch machine breaks down or not, the position of the fault and the reason of the fault. According to the method, manual state detection of the electropneumatic turnout switch machine is not needed, the driving safety is improved, the state detection time is greatly shortened, and the state detection efficiency and the fault positioning accuracy of the electropneumatic turnout switch machine are improved.

The invention discloses an integrated hydraulic unit for an electro-hydraulic switch machine. The integrated hydraulic unit comprises a main oil cylinder (6) and an auxiliary oil cylinder (4) and further comprises a pump valve oil tank assembly (3), a motor (7), a left oil path connecting block (1), a right oil path connecting block (8) and an oil path connecting supporting plate (2). The auxiliary oil cylinder (4) and the main oil cylinder (6) are arranged side by side vertically and are fixed below the oil path connecting supporting plate (2). The auxiliary oil cylinder (4) is fixed to the main oil cylinder (6). The two sides of the oil path connecting supporting plate (2) are connected with the main oil cylinder (6) through the left oil path connecting block (1) and the right oil path connecting block (8). The pump valve oil tank assembly (3) is fixed above the oil path connecting supporting plate (2). The motor (7) is fixed above the oil path connecting supporting plate (2) and drives the oil pump (9) in the pump valve oil tank assembly (3) to work. The appearance size of the hydraulic unit is reduced, the whole hydraulic unit is integrated, the size of the whole machine is reduced, the disassembly and assembly are simple and convenient, and the reliability is improved.

A railroad switch device for moving railroad switch points. The device includes a hydraulic unit having a hydraulic manifold coupled to a hydraulic pump integrated with an electric motor via a pressure pipe, where the hydraulic manifold is also coupled to the hydraulic pump via a hydraulic oil reservoir and a return pipe, and the hydraulic manifold is coupled to a hydraulic double-rod cylinder to provide forward movement and reverse movement of a point rod. Also included is a mechanical target to automatically indicate the position of a point rod, and a plurality of spring units to produce a continuous thrust force for holding the railroad switch points closed in forward position and reverse position, wherein the plurality of spring units control the target rotation to 90 degrees.

The invention discloses a pipe gallery transportation rail translation type turnout which is arranged in a pipe gallery and comprises a turnout basic rail, a turnout moving rail and a turnout drivingdevice; the turnout basic rail comprises a A channel and a B channel, and a groove area is formed in a joint of the A channel and the B channel; the turnout moving rail is arranged in the groove areaof the turnout basic rail, and the turnout moving rail can horizontally and laterally move in the groove area of the turnout basic rail; and the turnout driving device is connected with the turnout moving rail and used for driving the turnout moving rail to horizontally and laterally move in the groove area of the turnout basic rail. The technical effect of meeting the lane changing requirement ofthe pipe gallery transportation track is achieved.

The invention relates to the technical field of point switches, in particular to a hydraulic oil road plate type connection structure for a point switch. The hydraulic oil road plate-type connection structure comprises an oil pump oil plate, a motor oil plate, an oil plate connection block, a main oil cylinder connector cushion block, a main oil cylinder connection valve and a clamp plate; the oilpump oil plate and the motor oil plate are installed on a bottom housing and a locking oil cylinder, the oil plate connection block is fixed between the oil pump oil plate and the motor oil plate, the main oil cylinder connector cushion block is installed at an oil plate notch, and the main oil cylinder connection valve is fixed between the oil pump oil plate, the motor oil plate and a main oil cylinder through the clamp plate. An oil road is processed inside an oil road plate, plate pieces are directly connected to an oil pump, the main oil cylinder and the locking oil cylinder to form a closed hydraulic circulation loop, all parts with oil pipelines are directly connected within a plane, and thus oil leakage is effectively avoided.