953results about "Mine lifts" patented technology

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 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.

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 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 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 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.

A method of operating an elevator, the elevator having an elevator car, a motor, a controller and a counterweight (CW), the method including, for ascending of the elevator car when loaded with passengers, providing a car occupancy limiter (COL) and activating the COL by the controller for ensuring that the loaded car weighs less than the CW and controlling by the controller of the motor to not use motor rotational power; and for descending of the elevator car when loaded with passengers, where the loaded car weighs more than the CW, controlling by the controller of the motor to not use motor rotational power.

Disclosed is an elevator system, having: a car mover for moving an elevator car along a drive track in a hoistway, the car mover having: motor controlled wheels, wherein the car mover is configured to control the motor controlled wheels to move along the drive track; and a parking brake, operationally connected to the car mover and / or elevator car and operationally separate from the motor controlled wheels, wherein the car mover is configured to control the parking brake to move between a deployed state and a retracted state, wherein in the deployed state, the parking brake engages the drive track at a location that is spaced apart from the motor controlled wheels to park the car mover and / or elevator car along the hoistway, and in the retracted state, the parking brake is spaced apart from the drive track.

Disclosed in the present invention is an ultra-deep well winding-friction composite depth-adaptive hoisting system, comprising an active driving device, a passive friction device, a guide device and a rope winding and storage device which are arranged in sequence, wherein a steel wire rope is led from the rope winding and storage device and guided through the guide device into the active driving device, the steel wire rope is wound multiple times between the active driving device and the passive friction device before being unwound from the active driving device, and the unwound steel wire rope is connected to a hoisting container; the active driving device is configured to provide a traction force for the steel wire rope; the passive friction device is configured to provide a frictional force for the steel wire rope; the guide device is configured to change the direction of the steel wire rope; and the rope winding and storage device is configured to wind and unwind the steel wire rope. The present invention can effectively improve the friction of the steel wire rope, effectively reduce the tension in the steel wire rope at a winding drum, and greatly reduce the interlayer pressure of the winding drum by means of rewinding friction generated as the steel wire rope is wound back and forth between an active friction drum and a passive friction drum.

The application relates to the technical field of anti-falling machine, and discloses an underground ore hoist anti-falling protection device, which comprises a hoist body, a protection frame fixedly installed on the outer side of the hoist body, two groups of anti-falling rail frames fixedly arranged on the inner side of the hoist body, a hoist platform fixedly installed on the two sides of the hoist body, a anti-falling device body fixedly installed on the two sides of the hoist platform, two groups of detection components arranged between the one end of the anti-falling device body and the anti-falling rail frames, two groups of processing components arranged at positions close to the two groups of detection components between the one end of the anti-falling device body and the anti-falling rail frames, and two groups of fixed shafts fixedly arranged on the inner side of the upper side of an anti-falling device body mounting plate. The underground ore hoist anti-falling protection device can realize overall cooperation, the displacement sensor can detect the displacement of the roller ring in real time, and the hidden danger can be timely treated and corrected when the feedback displacement distance is relatively large.

A hoistway survey tool, having: a first longitudinal member; a platform coupled to the first member; a second member coupled to the second end of the first member, and has: a first leg; and a second leg that is normal to the first leg , the second member is configured to move toward and away from the first member, the second leg includes a first slot, a first slider in the first slot, and a first scale, and in operation the tool identifies a position of a first dropline in a hoistway relative to a first sidewall of the hoistway, when the bottom face of the platform is positioned on a landing floor at a ledge of a doorway, the first member is against a front wall of the hoistway, and the first slider is aligned with the first dropline.

The invention discloses an elevator weight balance adjusting structure, and relates to the field of elevators, the elevator weight balance adjusting structure comprises an elevator car main body and a counterweight, and a first storage tank is mounted on one side of the bottom of the elevator car main body; according to the elevator weight balance adjusting structure, the first storage tank, the first buffer tank, the second storage tank and the second buffer tank are symmetrically arranged at the bottom of the elevator car body and the counterweight, and the first main pump, the second main pump, the first auxiliary pump and the second auxiliary pump work cooperatively; the first electromagnetic three-way valve and the second electromagnetic three-way valve form a two-way liquid conveying channel through the connecting pipe, so that the system can adjust liquid distribution in real time according to the weight difference between the lift car and the counterweight, the main pump is responsible for high-pressure liquid conveying to achieve rapid balance, and the auxiliary pump generates negative pressure through the buffer tank to assist in conveying; the electromagnetic three-way valve accurately controls the flow direction of liquid, all pipelines are directly connected or connected in an inserted mode to ensure the sealing performance, and therefore the effect of dynamically adjusting the moment balance of the lift car and the two sides of the counterweight is achieved.

The utility model relates to the technical field of lifters, and particularly discloses a novel rear counterweight lifter structure which comprises a lift car body, a longitudinal beam assembly, an upper beam assembly, a lower beam assembly, a rope wheel assembly and a counterweight system. The longitudinal beam assembly comprises a plurality of longitudinal columns arranged on the left side wall and the right side wall of a hoistway correspondingly; a plurality of guide rails are arranged on the left side and the right side of the lift car body respectively and connected to the longitudinal columns in a sliding mode. The lower beam assembly comprises a plurality of lower beam columns connected between the longitudinal columns in a left-right mode. The upper beam assembly comprises a plurality of short beam columns which are located above the lower beam assembly and connected to the longitudinal columns respectively and inclined beam columns which connect the short beam columns with the lower beam column. The rope wheel assembly comprises two rope wheel beams connected to the lower portions of the short beam columns on the left side and the right side respectively and four rope wheel bodies arranged below the two rope wheel beams in a pairwise mode. The counterweight system comprises a plurality of counterweight blocks arranged on the rear side wall of the hoistway, the utilization rate of the hoistway is increased, the production cost of an enterprise is reduced, and high practicability is achieved.

The utility model relates to a bent sliding door type elevator additionally arranged on an old building, which comprises a steel bottom pit, a combined shaft, a traction machine room, a shaft cap, a car guide rail, a bent sliding door type car and a bent sliding door type landing door, the combined shaft is arranged in the steel bottom pit, the traction machine room is arranged at the top of the combined shaft, and the shaft cap is arranged at the bottom of the combined shaft. The number of the lift car guide rails is two, the lift car guide rails are vertically fixed to the inner walls of the two sides of the combined hoistway left and right, the bent sliding door type lift car is arranged between the two lift car guide rails, the bent sliding door type landing door is arranged on a floor on the front face of the bent sliding door type lift car, and a traction machine in the traction machine room is responsible for traction of the bent sliding door type lift car through a steel wire rope. And the hoistway cover cap is arranged at the top of the traction machine room. The device can be directly mounted at a stairway and outside a building door opening without arranging a gallery bridge, and has the advantages of small volume, small occupied area, no influence on ventilation, passage, lighting, privacy and parking spaces of low-floor residents, and no movement of an underground pipe network.

A method of installing ropes of an elevator includes arranging a plurality of ropes to pass from one or more rope reels mounted on an elevator car to a rope wheel mounted separately from the car, around the rope wheel, and from the rope wheel to a clamping device mounted on the car; and thereafter moving the elevator car vertically relative to the rope wheel while each rope is clamped by the clamping device in particular for thereby pulling ropes from the one or more rope reels with the clamping device moving together with the car. An arrangement for installing ropes of an elevator implements the method.

The invention discloses a device for converting a gravity block in a gravity energy storage system from horizontal transportation to vertical transportation, which comprises the gravity block, a horizontal gear transportation system, a lifting system, an electric motor or servo motor drive adopting a chain, a ball screw or a spiral lifting structure, and an interface conversion structure comprising a slide rail, a guide rail or a roller device, the automatic docking mechanism provides a function of automatically adjusting the position of the gravity block at a switching position and ensures that the gravity block is accurately connected into the lifting system; the buffer device is used for absorbing impact and vibration in the transmission process and improving the stability in the conversion process; and the control system monitors and adjusts the operation mode in real time. By keeping the smoothness of the transportation system, the operation efficiency and the energy utilization rate of a power system are improved, and meanwhile the power supply cost is reduced.

The invention relates to a method for installing a lift system. In the method according to the invention, a shaft module (14) is placed on a pit element (13) to form a lift shaft of the lift system. A car (22) of the lift system is arranged in the shaft module (14). According to the invention, before the shaft module (14) is placed on the pit element (13), a safety element (40) is arranged in the shaft module (14) or in the pit element (13) so as to delimit a downward displacement of the car (22) if the car (22) comes to rest on the safety element (40) during the downward displacement. A safety space (66) in the pit element is thus ensured.

The utility model belongs to the field of folding safety doors, and particularly relates to a mining cage foldable safety door which comprises a main body, a safety protection assembly is arranged on one side of the main body, and the safety protection assembly comprises a folding door body and a movable door body. The folding door body comprises two vertical guide shafts, movable rods are hinged to the bottoms of the two vertical guide shafts, folding telescopic pieces are fixedly installed on the outer sides of the two movable rods and are formed by sequentially sleeving a plurality of telescopic sleeves, and limiting grooves are formed in the two sides of each telescopic sleeve. A limiting pin is movably mounted through the limiting groove; through the matching design of the telescopic sleeve and the limiting pin, the foldable function of the door body is achieved, when a well mouth needs to be isolated, the movable rod is vertically unfolded, the telescopic sleeve is locked through the limiting pin, and a stable protection structure is formed; when not in use, the movable rod can be folded and stored through the movable hook, the wellhead space is saved, and the cage loading and unloading efficiency is improved.

The purpose of the present invention is to obtain a specification of an elevator information providing device that a user of the elevator information providing device can research an elevator based on a standard type. The present invention is provided with: a building data acquisition unit (10) that acquires building data; and an estimation unit (11) that estimates the standard type of the elevator from the building data input from the building data acquisition unit (10) by using a learned model for estimating, from the building data, the standard type of the elevator suitable for being installed in the building, and outputs the data of the estimated standard type of the elevator.

The invention relates to electromechanical safety actuation of an elevator regulator. The elevator system regulator includes a traction pulley having an engagement surface and a cable wound around the traction pulley, the traction pulley configured to travel along the cable. The electromechanical locking mechanism is configured to selectively engage the traction pulley to cause operation of a safety brake of the elevator system. The locking mechanism includes a hub assembly having an inner engaging hub and an outer engaging hub. The inner hub has an actuator connector connectable to a safety link, and the outer hub has an engagement surface for selective engagement with an engagement surface of a traction pulley. The actuator is configured to selectively apply a force to the outer engaging hub to engage the outer engaging hub such that the engaging surface of the outer engaging hub and the engaging surface of the traction pulley engage and cause rotation of the inner engaging hub.

The application discloses a mine hoisting system twin monitoring method based on cloud edge cooperation, comprising the following steps: constructing a mine hoisting system twin monitoring model, wherein the twin monitoring model comprises a fault diagnosis model, an advanced prediction model, a steel wire rope surface damage identification model and a three-dimensional simulation model; determining the deployment position of an edge server by using an improved k-means++ method; associating a terminal device with the edge server, distributing tasks on the terminal device to the edge server and a cloud server, and cooperatively processing the tasks by combining the edge server and the cloud server. The application constructs a mine hoisting system twin monitoring model under a cloud edge cooperation computing framework, which is beneficial to realizing full-state health monitoring of the mine hoisting system. The application distributes computing tasks by deploying an edge computing task distribution strategy, unloads the computing tasks to suitable edge servers, reduces the time delay of the twin monitoring model calculation, and guarantees the real-time performance of the mine hoisting system twin monitoring and early warning.

The utility model discloses an elevator steel belt guide wheel dustproof device which comprises a cleaning assembly installed below an elevator guide wheel. The cleaning assembly comprises a first rotating shaft, a belt and bristles and achieves the effect of cleaning the elevator guide wheel. The elevator guide wheel cleaning device is reasonable in design structure, the brush bristles on the belt are driven to move through the driving assembly, the used brush bristles below the elevator guide wheel move to the lower portion, the brush bristles on the belt are driven to move to the lower portion, and the brush bristles on the lower portion of the elevator guide wheel are cleaned through the brush cleaning mechanism. Then the back of the bristles is knocked and vibrated through the hammer head rod, and meanwhile the bristles are stirred at the cleaning end of the bristles, so that dust in the bristles and dust on the bristles fall off, the cleanliness of the bristles is guaranteed, cleaning and dust prevention of the guide wheel for a long time are facilitated, and the problem that an existing dust prevention device is not prone to falling off along with cleaning work of a brush is solved. And dust is easily stored among bristles of the brush, so that the dustproof effect on the guide wheel is influenced.