1486results about "Mine lifts" patented technology

The invention comprises a method and a system for conveying a mobile robot in an elevator involving the monitoring of elevator operating components and of persons surrounding the elevator and operating the elevator by selecting a floor to which the mobile robot is to move. In one aspect an inertial sensor is used to learn or determine the number of floors. The robot may also have methods implemented to assess the floor space inside the elevator or to position itself in front of the elevator in such a way that it can, for example, monitor the operation of elevator operating components without being perceived as an obstacle from the elevator users' perspective.

The utility model discloses a construction hoist triple folding type linkage landing door which comprises a suspension cage, a suspension cage door is arranged at the front end of the suspension cage, a protective door is arranged between the suspension cage and the suspension cage door, the protective door comprises a door frame, an upper layer door, a middle layer door and a lower layer door, the door frame is arranged on the suspension cage, and the lower layer door is arranged on the upper layer door. The upper layer door, the middle layer door and the lower layer door are connected through connecting assemblies, a power assembly driving the three layer doors to be opened and closed is arranged on the cage door, and a limiting switch is arranged at the bottom of the door frame. According to the utility model, the connecting assembly is arranged between the protective door and the cage door, and the linkage mechanism of the landing doors and the cage door ensures that the cage can be started or operated only under the condition that all the landing doors are completely closed and locked, so that the risk of accidental opening is reduced; meanwhile, the limiting switch is arranged at the lower end of the door frame, the state of the landing door is monitored in real time, it is ensured that the cage cannot be started when the landing door is not completely closed, and safety is further improved.

The invention provides a real-time same-frequency resonance monitoring device for the surface damage state of a mining hoisting steel wire rope, and belongs to the technical field of mining machinery safety monitoring. The technical problem that in the prior art, under the condition that a steel wire rope swings left and right, a high-definition camera device is out of focus, and images are not clear is solved. According to the technical scheme, the device comprises a controller and a supporting frame arranged at a mine opening, a mounting adjusting frame is arranged on the supporting frame, a plurality of distance fixing mechanisms are arranged on the mounting adjusting frame at equal intervals, each distance fixing mechanism comprises a plurality of branch mechanisms, and each branch mechanism is provided with a high-definition camera and an arc-shaped limiting plate; the device has the beneficial effects that the branch mechanism is arranged, the high-definition camera is installed on the branch mechanism, the branch mechanism, the high-definition camera and the steel wire rope move synchronously, it is guaranteed that the distance between the high-definition camera and the steel wire rope is kept fixed, the rope limiting effect is good, and the rope limiting effect is good. And the picture definition is further ensured.

A safety brake system for use in a conveyance system. The safety brake system includes a guide rail and a conveyance component moveable along the guide rail. The safety brake system includes: a safety brake moveable between a non-braking position where the safety brake is not in engagement with the guide rail and a braking position where the safety brake is engaged with the guide rail; a linkage mechanism; and an actuator for the safety brake. The actuator is configured to be mounted to the conveyance component. The actuator includes an electromagnet switchable between a first state and a second state; and an actuation component configured to move relative to the electromagnet from a first position when the electromagnet is in the first state to a second position when the electromagnet is in the second state.

The invention discloses a mine hoisting system steel wire rope monitoring method based on AI vision. The method comprises the specific steps that S1, an image sequence is collected; s2, extracting vibration displacement of the steel wire rope; s3, determining a vibration fundamental frequency; s4, calculating the tension of the steel wire rope; and S5, monitoring data output and intelligent diagnosis. According to the method, nonlinear interference and error accumulation of a traditional indirect measurement method are avoided fundamentally; sub-pixel displacement analysis and time sequence filtering are combined, and the dynamic measurement precision can be within + / -2%; single-rope independent monitoring is realized, and the technical blank of the industry is filled; unique intelligent diagnosis capability is provided, and the leap of safety management quality is realized; and full-period dynamic monitoring is realized, and complete data support is provided.

The utility model discloses an anti-disengagement elevator counterweight filler which comprises a bottom frame, limiting rods are fixed at two ends of the bottom frame, a counterweight assembly is arranged on the bottom frame and comprises a counterweight block, connecting blocks are fixed at two ends of the counterweight block, the connecting blocks are movably arranged on the limiting rods in a sleeved mode, and quick release structures are arranged on the connecting blocks. The connecting block is provided with a moving groove which penetrates through one side and allows the limiting rod to move, the quick release structure comprises a locking plate which is fixedly connected with the connecting block, a blocking block which is fixed to the locking plate is arranged in the moving groove and abuts against the limiting rod, and a top frame which is connected with the bottom frame in an assembling mode is arranged above the counterweight assembly. According to the utility model, through the arrangement of the quick release structure, when the counterweight assembly positioned in the middle is damaged, the counterweight assembly positioned above the damaged counterweight assembly does not need to be taken down from the limiting rod, and the damaged counterweight assembly can be directly taken down from the limiting rod, so that the disassembly steps are simplified, the time and labor are saved, and the maintenance is convenient.

A platform for an elevator system in a building that is under construction, the building having an elevator shaft that becomes taller as the building height increases over the course of the building phase of the building, includes a pneumatically activated seal for sealing a gap between platform and the walls of the elevator shaft. The seal is configured as a circumferential seal attached to the platform. A compressed air source in the form of a compressor is arranged on the platform to operate the pneumatically activated seal.

The invention relates to the field of industrial automatic control systems, and discloses a mine hoisting cage positioning information and emergency plan linkage control system, which comprises a conventional dynamic control unit and an absolute safety anchor point unit, the anchor point unit latches a continuous positioning value of a conventional unit when a binary anchor point sensor is triggered, and the absolute safety anchor point unit locks the continuous positioning value of the conventional unit when the binary anchor point sensor is triggered. The method comprises the following steps of: acquiring a theoretical reference value, comparing the theoretical reference value with the theoretical reference value to generate a drift calibration value, sending the drift calibration value to a conventional unit, and correcting a positioning reference by the conventional unit by using the drift calibration value. The online self-calibration of a control system is realized by using a safety anchor point, so that the safety unit is converted into an active calibrator; the accumulated drift of the high-precision sensor can be avoided during operation.

The invention belongs to the technical field of added elevators, and discloses a fast-assembly type added elevator steel structure main body and a preparation and assembly method thereof, and the fast-assembly type added elevator steel structure main body comprises a hoistway, a door frame and a corridor. The hoistway is composed of four vertical stand columns and a plurality of transverse beams, the ends of the beams are connected with the connecting faces of the stand columns through connecting pieces, each connecting piece comprises a pair of triangular pieces formed by three steel plates perpendicular to one another, a first plate is connected with the stand columns, a second plate is connected with the beams, and a third plate is an inclined strut reinforcing rib. The door frame comprises door head steel beams between the front stand columns, sill steel beams and landing door stand columns between the sill steel beams, the corridor is connected with the outer sides of the sill steel beams, and through holes in the ends of the edge beams are matched with kidney-shaped holes of the mounting bases to adjust the position. The square pipe joints of the front stand column and the rear stand column are staggered in position. The device is fast to install, stable in structure, convenient to adjust, convenient to overhaul and maintain and suitable for the elevator adding project of the existing building.

The invention discloses an elevator with a safety early warning function, and relates to the technical field of elevators, the elevator comprises an elevator main body, connecting frames are fixedly connected to the top and the bottom of the elevator main body, an alarm mechanism is fixedly connected to one side of each connecting frame, and a traction frame is fixedly connected to one side of each connecting frame; the alarm mechanisms and the steel wire ropes are arranged at the top end and the bottom end of the elevator body, the steel wire ropes are in a straightened state under the action of internal components of the alarm mechanisms, and if the elevator body moves upwards or downwards and encounters an extending obstacle, the steel wire ropes abut against the obstacle along with movement of the elevator, so that the steel wire ropes are pressed downwards; according to the elevator, the elevator main body is driven by the motor, then the alarm mechanism is pulled and driven, so that an alarm is triggered, surrounding workers are warned, the workers can control the elevator main body in time, the elevator main body is prevented from being scratched by an extending obstacle during operation, and the safety of the elevator is improved.

A modular elevator system has a pit module, one or more shaft modules that are attachable to the pit module and / or to an adjacent shaft module, and a cap module that is attachable to an uppermost shaft module. The pit module, the shaft modules, and the cap module are each pre-fabricated and transported to a site at which a building is under construction for assembly top of the pit module, the remaining shaft modules are secured sequentially on top of each other, and the cap module is secured on top of the uppermost shaft module.

The invention discloses a large well deep manned intelligent vertical shaft elevator, and relates to the technical field of vertical shaft elevators, the large well deep manned intelligent vertical shaft elevator comprises a supporting frame and a bottom frame, the top of the supporting frame is fixedly connected with a top frame, and the top of the bottom frame is fixedly connected with a winch; the lifting assembly is fixedly connected to the top of the top frame, and the lifting assembly comprises a support and a steel wire rope. In the method, when the vertical shaft elevator is used, if pressure data of the two pressure sensors have a certain deviation, the bearing capacities of the two steel wire ropes are different at the moment, and when the pressure sensors detect that the bearing capacities of the steel wire ropes on the two sides are not uniform, the motor on the relaxed side is started to wind and tension the steel wire ropes; the stability of the position of the bottom plate is improved, through cooperative use of the pressure sensor and the motor, the purposes of automatically and intelligently monitoring the tension state of the steel wire rope and properly adjusting the tension state can be achieved, and the safety of underground construction is improved.

The elevator with the doors capable of being opened from the multiple faces comprises two lift cars, a counterweight and two traction rope assemblies, the two lift cars are arranged in a spaced mode, and the two lift cars can form the lift car doors facing different directions; the counterweight is arranged between the two lift cars; the two hoisting rope assemblies are in one-to-one correspondence with the two lift cars, and the two lift cars can be in transmission connection with the counterweight through the corresponding hoisting rope assemblies; wherein the two hoisting rope assemblies operate synchronously and are used for controlling the two lift cars to ascend and descend synchronously. According to the elevator, doors can be opened in four different directions, in this way, the waiting time of passengers can be shortened, the effect of improving the transportation efficiency of the elevator is achieved, in the process, one counterweight is used for balancing lifting of the two lift cars, in this way, the space needed for counterweight assembly can be reduced, and the elevator shaft of the elevator can be more compact; and the manufacturing cost and the mounting cost of the elevator are reduced.

An elevator safety system comprises an elevator system component, an actuator configured to cause a change in a status of the elevator system component, a data bus, a safety controller configured to communicate via the data bus, a sensor configured to detect the change in the status of the elevator system component where the detecting includes generating, at the sensor, information indicating the change in the status of the elevator system component, and an elevator system node associated with the sensor and configured to communicate the information indicating the change in the status of the elevator system component to the safety controller via the data bus. The safety controller is configured to link, in a memory of the safety controller and subsequently to the information being communicated to the safety controller, an address associated with the elevator system node with an identifier of the elevator system component.

A mounting bracket for mounting to a hoistway door opening of an elevator system includes a transverse support extending in a first direction and two lateral supports connected to and extending away from the transverse support. The transverse support has a floor fixing portion adapted to be fixed to a horizontal surface of the floor landing at the door opening. Each of the lateral supports has a rail fastening portion that extends parallel to the first direction and includes at least one mounting opening for fastening a guide rail for guiding an elevator car.

The invention provides an elevator with a single-cylinder and double-cylinder switching mode and a using method of the elevator. The elevator comprises a first single-cylinder elevator, a second single-cylinder elevator and a rope adjusting clutch connected between the first single-cylinder elevator and the second single-cylinder elevator. The rope adjusting clutch comprises a bearing seat, a shaft seat inner gear ring and two fixed hubs, the shaft seat inner gear ring is rotationally connected with an inner ring of the bearing seat, the two fixed hubs are connected to a main shaft of the first single-drum elevator and a main shaft of the second single-drum elevator respectively, each fixed hub is connected with a rope adjusting outer gear ring capable of sliding in the axial direction of the fixed hub, and the rope adjusting outer gear rings are connected with the bearing seat. The rope adjusting outer gear ring is connected with a shifting ring, and the shifting ring is connected with a telescopic mechanism fixed to the single-barrel elevator. When the telescopic mechanism stretches out and draws back, the shifting ring drives the rope adjusting outer gear ring to be meshed with or separated from the shaft seat inner gear ring. And switching between two modes of independent operation of the two single cylinders and synchronous operation of the two cylinders can be realized.

This elevator car includes: a car frame having a pair of vertical frames and a lower frame linking lower ends of the pair of vertical frames; a floor support beam supporting a car floor and supported on the lower frame; an under-car pulley disposed below the car floor; a pulley support member fixed to the floor support beam and rotatably supporting the under-car pulley; and a linking member linking the vertical frames and the floor support beam. The elevator car has a structure in which an upward force exerted on the pulley support member and the floor support beam by a main rope that is wound around the under-car pulley is received by the linking member and the vertical frames.

An elevator system (1) to be positioned in a hoistway (2). The elevator system includes an elevator car (3), at least one guide rail (4) for guiding the elevator car when moving up and down in the hoistway, and a security device (5) that is designed and arranged in such way that a safety volume (6) above or below the elevator car inside the hoistway can be set in at least one secured state for safe maintenance operation of a mechanic inside the safety volume. The security device comprises at least one first blocking device (7) attached to the at least one guide rail or configured for being mounted to a wall of the hoistway and at least one second blocking device (8) configured to be mounted on or in the elevator car to cooperate with the first blocking device.

A robot that is mobile and includes: a controller that controls the robot; and an action unit that performs an action based on an instruction from the controller. The controller causes the action unit to perform a preliminary action before the robot starts to move in a place where the robot and a person are present together.

The utility model relates to an intelligent safe lap joint device for pedestrians to enter and exit from a cage. A telescopic frame is installed on the inner side of a fixed foundation frame through telescopic frame supporting sliding rails, and a telescopic frame control air cylinder controls the telescopic frame to move back and forth along the telescopic frame supporting sliding rails; a self-adaptive pedestrian pedal is installed on the upper portion of the inner side of a telescopic frame welded and installed through a frame and a steel plate, a rectangular through hole is formed in the rear portion of the telescopic frame, and a cage supporting plate body of a cage supporting plate is installed through a sliding rail and a limiting wheel. Lifting of the pedal body is controlled through linkage of the pedestrian pedal front control air cylinder and the pedestrian pedal rear control air cylinder, gaps are filled in cooperation with the telescopic front lapping plate and the telescopic rear lapping plate, the cage height can be automatically adapted, the length of the pedal can be changed according to needs, gaps can be effectively prevented from occurring in front of and behind the lapping plate, and the cage safety is improved. And the problem that the cage stopping error range is large is solved, and the cage safety is effectively improved.

The utility model relates to the field of coal mining, in particular to a coal mine elevator for coal mining. According to the coal mine elevator for coal mining, intermittent oil dripping lubrication can be conducted on a winding drum during use, meanwhile, flow is controlled to conduct oil dripping lubrication on a sliding wheel and a steel wire rope, abrasion of parts is prevented, the service life of equipment is prolonged, the maintenance cost is reduced, and use is convenient. A coal mine hoister for coal mining comprises a direct current motor, a speed reducer and the like, and an output shaft of the direct current motor is connected with the speed reducer. Intermittent oil dripping is carried out on the winding drum through movement or reset of the oil dripping head, meanwhile, quantity-controlled dripping of lubricating oil in the oil tank is carried out, oil dripping lubrication is carried out on a sliding wheel and a steel wire rope, and therefore the sliding wheel and the steel wire rope can be lubricated through oil dripping while intermittent oil dripping lubrication is carried out on the winding drum in the using process, and the service life of the sliding wheel and the steel wire rope is prolonged. The service life of equipment is prolonged, the maintenance cost is reduced, and the use is convenient.

The utility model belongs to the technical field of hoists, and particularly relates to a mine box type hoister which comprises the ground and a connecting frame arranged above the ground, a driving structure is arranged on the left side of the connecting frame, and an emergency stopping mechanism is arranged on the connecting frame. The emergency stopping mechanism comprises a clamping unit and a stopping unit; the braking unit comprises a chain, a guide rail, clamping teeth, a lift car, a connecting rod, a top plate, a connecting rope, a plate spring, a connecting block, a connecting strip and clamping strips, one end of the chain is fixedly connected to the connecting rope, and the connecting rope downwards extends to the bottom of the plate spring through a through hole in the middle of the top plate and is connected with one ends of the two clamping strips; the connecting rods are fixedly connected to the periphery of the lower surface of the top plate. According to the box type elevator for the mine, when the chain is broken and the car falls, the connecting rope falls downwards under the action of gravity, the pressure of the plate spring disappears, and the clamping strips can be rapidly clamped into the clamping teeth on the inner sides of the guide rails, so that the car is effectively prevented from further falling.

The invention relates to a corridor elevator and a safety protection device thereof. The corridor elevator comprises a guide device, a driving system, a roller assembly, a carrier platform and a baffle. The guiding device is fixed on the corridor through the upper end plate and the lower end plate on the guiding device, the guiding device is of a truss structure composed of the upper guide rail, the lower guide rail and the supporting piece, the overall rigidity is improved, the middle position of the guide rail is not fixed to the step through a bolt, damage to the corridor step is reduced, and the field installation efficiency is improved. The speed reducer of the driving system is preferably fixed to the lower end plate, the motor is arranged above the speed reducer, the seat plate of the carrier platform is arranged above the guiding device, the transverse width of the corridor elevator is reduced, and the overall arrangement space is saved. A transmission chain connecting plate of the roller assembly is connected with a transmission chain of the driving system, and a roller of the roller assembly rotates in a guide rail roller groove of the guide device. The platform connecting plate of the carrier platform is fixed to the roller fixing plate of the roller assembly and moves up and down along the guide rail roller groove along with the rolling assembly. The speed reducer is preferably a turbine speed reducer, and when accidental power failure occurs, due to the fact that the turbine speed reducer has a self-locking function, the carrier platform cannot move accidentally. The roller assembly is provided with a shoe block locking assembly, when the accelerated speed of accidental descending of the carrier platform exceeds a limit value, the shoe block locking assembly can prevent the carrier platform from accelerating descending, and personnel or objects are prevented from being damaged. The rolling wheel assembly is provided with an anti-toppling plate, when the rolling wheels fall off accidentally, the anti-toppling plate prevents the rolling wheel assembly and the carrier platform from toppling over, and personnel or objects are prevented from being damaged.

The invention relates to the technical field of elevator energy compensation, and discloses an elevator energy compensation device based on fluid dynamic allocation, which comprises a first fluid box arranged at the top or the bottom of a counterweight; the second fluid box is arranged at the top or the bottom of the lift car; the two-way pump body is arranged on the first fluid box or the second fluid box; the weighing module is used for acquiring the real-time weight of the lift car; the running direction detector is used for detecting the running direction of the lift car; the elevator control cabinet is used for controlling opening and closing of the two-way pump body according to the real-time weight and the running direction. And the elevator energy feedback module is used for converting redundant mechanical energy generated in the elevator running process into electric energy. Opening and closing of the two-way pump body are controlled through the real-time weight and the running direction, the purpose that the gravity difference is always downward is achieved, the elevator is in the power generation state all the time, the load of an elevator host can be reduced, and more energy is saved and safety is achieved.

The invention discloses a leveling type wall supporting mechanism and an adjusting method thereof, and belongs to the technical field of elevator installation construction. The leveling type wall supporting mechanism comprises a telescopic module which is connected with a main beam; the auxiliary beam is connected with the side, away from the telescopic module, of the main beam. The first leveling module is connected with the telescopic module; the second leveling module is connected with the secondary beam; the sensor and the control system are mounted on the main beam, and the sensor is connected with the control system; the sensor can detect the inclination angle of the wall supporting mechanism and transmit detection information to the control system, the control system controls the first leveling module to move in the vertical direction and controls the second leveling module to rotate in the horizontal direction according to the detection information, and leveling of the wall supporting mechanism is achieved. Automatic operation can be achieved in the whole process, human intervention is not needed, the leveling precision and leveling efficiency of the wall supporting mechanism are improved, the problem that the wall supporting mechanism inclines, and consequently equipment inclines is solved, and normal operation of an elevator is guaranteed.

An elevator safety device comprises a housing attachable to an elevator car or to an elevator counterweight of an elevator system, the housing comprising a passage for allowing a guide member to pass through. A brake shoe is attached to the housing and is located on a first side of the guide member. A support element is arranged on a second of side of the guide member, the support element extending at an angle with respect to the guide member, thereby defining a tapered region between the guide member and the support element. A movable braking element is rotatable around a rotation axis of the movable braking element. The movable braking element is, at least in an activated condition of the elevator safety device, arranged within the tapered region defined by the support element and the guide member. The movable braking element is capable of rotatingly moving along the support element into a wedged condition between the support element and the guide member. The movable braking element has, in a plane that is oriented perpendicularly to the rotation axis, a non-circular cross-section, which is defined by a closed curve having a constant width.

An elevator safety device comprises a housing attachable to an elevator car or to an elevator counterweight of an elevator system, the housing comprising a passage for allowing a guide member to pass through. A brake shoe is attached to the housing and is located on a first side of the guide member passing through the passage. A spring assembly is arranged on a second of side of the guide member and comprises at least one leaf spring, the spring assembly having a fixed end, which is fixed to the housing, and an opposite free end, which is not fixed to the housing. The spring assembly extends at an angle with respect to the guide member, defining a tapered region between the guide member and the spring assembly, wherein the free end of the spring assembly is arranged closer to the guide member than the fixed end of the spring assembly. A roller is, at least in an activated condition of the elevator safety device, located within the tapered region defined by the spring assembly and the guide member. The roller is capable of moving along the spring assembly towards the free end of the spring assembly into a wedged condition between the spring assembly and the guide member.

The invention provides a traction system with broken wire detection device, and aims to solve the problem of how to realize online detection of broken wire. The traction system comprises a traction wheel, a traction steel belt and a rope head combination, and further comprises a normally open relay and a power supply. Two ends of the coil of the normally open relay are connected to the positive pole of the power supply and the rope head respectively, the negative pole of the power supply is grounded, and the normally open contact of the normally open relay serves as a switch of an alarm circuit. The traction system has the positive effect of realizing online detection of whether the traction system has the phenomenon of broken wire, and eliminating the hidden danger of the traction system.

The utility model discloses an integrated bidirectional hydraulic pump station for a car arrester in a tank, which comprises a valve block, a bidirectional hydraulic pump, a motor, an oil tank, a car arrester driving oil cylinder, overflow valves and one-way valves, a left oil way and a right oil way are arranged in the valve block, the left oil way is provided with a first overflow valve, a first one-way valve and a fifth one-way valve, and the fifth one-way valve is a hydraulic control one-way valve. A second overflow valve and a second one-way valve are installed on the right oil way, and the second one-way valve is a hydraulic control one-way valve and is controlled by the oil pressure of the left oil way; an oil port A1 of the two-way hydraulic pump is connected with a piston cavity oil port of the car arrester driving oil cylinder through a left oil way, and an oil port B1 of the two-way hydraulic pump is connected with a piston rod cavity oil port of the car arrester driving oil cylinder through a right oil way. The left oil way is connected with the oil tank through a fifth one-way valve, and the fifth one-way valve is used for releasing additional backpressure generated in a piston cavity in the process that the two-way hydraulic pump drives a piston rod of the car arrester driving oil cylinder to retract. According to the utility model, the power consumption is reduced, the energy is saved, and the reliability of the system is improved.