129results about "Mine lifts" patented technology

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 present invention provides an elevator landing device that can guide chair users and able-bodied individuals separately. [Solution] The elevator landing device includes a first opening / closing unit that opens and closes to switch between an open state and a closed state for a first route used by wheelchair users to reach the entrance / exit; a second opening / closing unit that opens and closes to switch between an open state and a closed state for a second route used by able-bodied people to reach the entrance / exit; and a processing unit that controls the opening and closing operations of the first opening / closing unit and the second opening / closing unit.

The application relates to a linkage switch structure of an elevator anti-falling device and relates to the technical field of elevator safety protection, which comprises a connecting guide rail, a tensioning mechanism and a switch mechanism, a plurality of groups of guide rail supports are connected to one side of the connecting guide rail, the tensioning mechanism and the switch mechanism are connected to one side of the connecting guide rail close to the guide rail supports, the switch mechanism is arranged above the tensioning mechanism, the tensioning mechanism comprises a tensioning wheel and a counterweight, and the back surface of the tensioning wheel is connected with a connecting back plate; the switch mechanism is installed to the middle part of a shaft by being moved upwards along the guide rail, so that the switch mechanism is not affected by the accumulated water in the shaft, the elevator operation safety is improved, the fine steel wire rope is linked with the tensioning device by being taut, when the speed of the car is abnormal, the fine steel wire rope cooperating with the speed limiter drives the tensioning wheel to move, the fine steel wire rope can drive the swing plate to rotate, so that the impact plate hits the switch contact, and the switch is triggered, so that the safety braking system is started.

This application relates to a translation drive device, a translation track changing mechanism, and a translation track changing system for a circulating elevator. The translation drive device is configured as the car in the translation track changing system of a circulating elevator and includes: a base; a frame mounted on the base and slidable horizontally relative to the base; a drive unit configured to drive the frame to slide horizontally relative to the base and including a drive motor, a gear, and a rack, wherein the rack is fixedly connected to the base, the gear meshes with the rack, the drive motor is connected to the gear and configured to drive the gear to rotate, thereby moving the frame along the length of the rack; and an adjustment unit configured to adjust the meshing clearance between the gear and the rack in the drive unit. By adjusting the meshing clearance between the gear and the rack, the meshing clearance between the gear and the rack can be ensured to be stable and reliable, guaranteeing the smoothness of the car's translational movement, reducing vibration generated by mechanical transmission, and improving car comfort.

This invention discloses a split-type tensioning traction sheave bushing, comprising several circumferentially split components. Each circumferentially split component is connected by a connecting assembly, and the components are connected to form a support assembly. A composite layer is connected to the outer circumferential surface of the support assembly, and a traction groove is provided on the composite layer. This invention provides a split-type tensioning traction sheave bushing that allows for quick separation of the composite layer from the circumferentially split components, thereby improving the efficiency of composite layer replacement. It also ensures a tight connection between the composite layer and the circumferentially split components, reducing subsequent maintenance costs. The gap in the support assembly can accommodate thermal expansion changes, thus reducing the risk of excessive expansion of the support assembly damaging the composite layer material and protecting the overall structural stability of the traction sheave.

The utility model relates to the technical field of hoist accessory, and disclose vertical shaft hoist rope changing device, first support rotatory connection has two first rotation plates, and first rotation plate forms two first side holes, and two first rotation plates between be provided with winding roll, and the first positioning hole is formed to the recess of winding roll, and the first screw is connected with first side hole between first positioning hole and first screw, second support rotatory connection has two second rotation plates, and second rotation plate forms two second side holes, and two second rotation plates between be provided with unwinding roll, and the second positioning hole is formed to the recess of unwinding roll, the utility model discloses through setting up first rotation plate, second rotation plate, unwinding roll and winding roll, when unwinding roll and winding roll complete the unwinding and winding of the hoisting rope, only need to unscrew first screw and second screw, can unload unwinding roll and winding roll and change, make the old rope after winding on the device convenient to take down, reduce the work load of personnel, improve the work efficiency of personnel.

The present invention aims to provide an elevator hoisting machine and an additional sheave device capable of suppressing the shift of sheave grooves between adjacent split pieces. The additional sheave device (16) has a circular ring-shaped additional sheave body (21) and a plurality of fixing members (22). The additional sheave body (21) has a plurality of split pieces (23) and a plurality of link pins (24). The plurality of split pieces (23) are arranged in a circular ring shape along the outer periphery of the sheave (15). A plurality of sheave grooves (23a) are provided in each split piece (23). The plurality of link pins (24) link adjacent split pieces (23) respectively.

This invention discloses an elevator shaft template frame and its installation method, belonging to the technical field of elevator installation tools. It includes a fixed bracket at the top of the shaft and several pit supports at the bottom of the shaft. The fixed bracket is adjustable, and a connecting rope is provided between the fixed bracket and the pit supports. At least one end of the connecting rope is adjustablely connected to both the fixed bracket and the pit supports. A tensioning component is provided on the connecting rope, ensuring that the connecting rope is arranged vertically and parallel to each other. In this solution, the area of ​​the elevator shaft can be enclosed simply by setting a connecting rope between the fixed bracket at the top of the shaft and the pit supports at the bottom of the shaft, thus replacing the frame to form a constrained space for the corresponding shaft. The elastic adjustable connection and tensioning component between the connecting rope and the fixed bracket or pit supports ensure that the connecting rope remains taut, preventing displacement. This template frame is easy to assemble and disassemble, applicable to more scenarios, and the installation method is simple and convenient.

The utility model provides elevator traction sheave assembly relates to elevator traction sheave technical field, the utility model discloses a fixed mounting is in the surface of two sleeves of mounting frame, the inside of two sleeve all is connected with the sliding rod of sliding, the sliding rod is far from the sleeve (one end fixed fixed mounting has fixed plate, two fixed plate between fixed mounting has the mounting seat, the surface of mounting seat is seted up and has the installation slot, the inside movable mounting of installation slot has the brush holder, the surface fixed mounting of brush holder has a plurality of brush body, the utility model discloses through cleaning device, so that the brush can be and the inner wall of wheel groove movable contact, when the traction sheave rotates, the brush can just be able to brush away the dust and impurity that sticks in the wheel groove part, avoids the dust and sundries accumulation in the traction sheave line groove and can increase friction.

To provide an elevator governor capable of further reliably suppressing an incorrect operation of a switch lever.SOLUTION: In a governor 7, a switch lever 752 faces a first side surface 72a among the first side surface 72a and a second side surface 72b of a governor sheave 72. A scraper 9 has a first scraper body 92 and a second scraper body 93. The first scraper body 92 has a first facing part 923 facing the first side surface 72a. The second scraper body 93 has a second facing part 933 facing the first side surface 72a. The switch lever 752 is disposed between the first facing part 923 and the second facing part 933 in the circumferential direction of the governor sheave 72.SELECTED DRAWING: Figure 3

This invention relates to an anti-collision system for a home elevator, which includes a car, a counterweight, and a traction assembly connecting the two. The anti-collision system includes a primary anti-collision trigger, a secondary anti-collision trigger, and an electromagnetic switch assembly. The primary anti-collision trigger is located on the movement trajectory of the car or counterweight and is triggered at its trigger end in response to compression by the car or counterweight. The secondary anti-collision trigger is located on the movement trajectory of the car or counterweight and is located after the primary anti-collision trigger; its trigger end is triggered at its trigger end in response to compression by the car or counterweight. The electromagnetic switch assembly is connected in series with the traction assembly in the safety circuit of the home elevator. Both the primary and secondary anti-collision triggers are connected to the electromagnetic switch assembly, and the electromagnetic switch assembly disconnects upon triggering either one. This achieves anti-collision and improves the safety performance of the home elevator.

A terminal assembly for an elevator system having multiple tensioning members includes a terminal housing and multiple tensioning member retainers. Each tensioning member retainer is configured to connect to a corresponding tensioning member among the multiple tensioning members. A flowable housing filler is located within the terminal housing. The flowable housing filler is configured to balance the tension forces acting on the multiple tensioning members by flowing out from a first tensioning member retainer of a first tensioning member subjected to a first tensioning force and flowing to a second tensioning member retainer of a second tensioning member subjected to a second tensioning force less than the first tensioning force.

A method and assembly includes pre-tensioning an elevator suspension member to adjust low load elongation of tension members within the elevator suspension member prior to placing the elevator suspension member in operation for an elevator.

The invention relates to a method for condition monitoring of ropes (2) of an elevator (1), which elevator (1) comprises an elevator car (3), and one or more cambered rope wheels (4,6) around which a row of ropes5 (2) pass, the method comprising monitoring (200) by an elevator control system (10), during driving (100) of the elevator (1), the position of each rope (2) in width direction (w) of the row within the monitoring area (A1) using a contactless monitoring equipment (50,60); and detecting (300) if position of a rope portion (P) in width direction (w) of the row fulfills10 one or more criteria indicating abnormal displacement of the rope portion (P). The method moreover comprises stopping (500A) driving (400) of the elevator when the rope portion (P) is at least partially within an inspection area (A2) or driving (500B) the elevator with crawling speed when the rope portion (P) is at least partially within and inspection area15 (A2); and inspecting (600) condition of the rope portion (P) when it is stopped at least partially within said inspection area (A2) or moves with crawling speed within the inspection area (A2). The invention also relates to an elevator (1) implementing the method.

The utility model discloses a kind of inorganic room freight elevator arrangement structure, comprising: traction system, counterweight system, car system, safety linkage system, guide rail and guide rail support system and guide wheel system, car system includes car bottom wheel, traction system includes bearing beam, bearing beam is installed on hoistway upper bearing wall, bearing beam is installed with tractor, counterweight side guide wheel, counterweight rope head mounting device, car rope head mounting device, speed limiter mounting device and steel wire rope.The utility model adopts the structure arrangement mode of 4:1 of traction ratio, because the car depth of freight elevator is deeper, this 4:1 arrangement structure steel wire rope can hold the two sides of car bottom, than the structure of 2:1 of traction ratio only holds the middle operation of car bottom, more stable, under the same motor power, the structure of 4:1 of traction ratio can improve the rated load capacity of elevator.

The application relates to the elevator technical field and discloses an elevator counterweight adjusting device, which comprises a cage, a plurality of fixing frames are fixedly connected to the surface of the cage, counterweight guide rails are fixedly connected to the surface of the fixing frames, a counterweight frame is slidably connected to the inner wall of the counterweight guide rails, a counterweight block is arranged in the counterweight frame, a counterweight box is arranged on one side of the counterweight block, and a stable guide rail is arranged on one side of the cage. The structure is reasonable, the weight of the people in the cage is detected through a weight detection mechanism of the elevator car, the detected data is transmitted to a control unit, the weight of the required counterweight is calculated through the control unit, distilled water in a liquid storage tank is made to flow into the counterweight box through a water delivery pipe by opening electromagnetic valve two, so that the weight of the counterweight box is increased, when the weight of the cage is reduced, distilled water in the counterweight box is made to flow into a collection tank through a recovery pipe by opening electromagnetic valve three, so that the weight of the counterweight frame is reduced.

The application discloses a kind of based on data fusion's mine hoisting equipment condition monitoring method and system, it is related to equipment monitoring technical field, the method is by obtaining steel wire rope load, hoist operating speed and position data;Multiple source data are time-synchronized and mapped to multidimensional working condition state space, and working condition load spectrum data are constructed;Working condition load spectrum data are input into fatigue damage accumulation model based on component material S-N curve and nonlinear damage accumulation function, and the cumulative damage degree value changing with time is calculated and obtained;Based on the change rate of cumulative damage degree value, the residual service life of component is calculated;And when the residual service life is lower than preset threshold, generate early warning information, reaches the precise quantitative evaluation and early predictive maintenance of mine hoisting equipment key component fatigue state, solves the problem that internal fatigue damage accumulation of key component cannot be quantified in the prior art and accurate maintenance early warning cannot be provided before component failure.

The utility model relates to a novel elevator with double counterweight housings, which comprises an elevator car and a counterweight mechanism, the elevator car is connected with the counterweight mechanism through a steel wire rope and a double-wheel tractor, the counterweight mechanism comprises two counterweight units, the two counterweight units are connected through a pair of fixing plates, and the two counterweight units are connected through a pair of fixing plates. The steel wire rope is connected to the surface of the uppermost fixing plate. The double counterweight units are arranged in parallel, so that the occupied width of the counterweight units is reduced, the width of the lift car is increased, the split type balancing weights and the stand columns are installed in a combined mode through the notches, fast increase and decrease of balance weights are supported, and different load-carrying requirements are met. A vertical guide system formed by the guide rods and the sleeves restrains the counterweight housing from shaking, and synchronous movement of the double counterweight units is guaranteed. The threaded rod lifting mechanism supports overall height adjustment of the counterweight housing, and the counterweight block is convenient to overhaul or replace. And the limiting rod and the end cover are double-locked, so that the clump weight is prevented from falling off due to vibration, and the operation safety is improved.

A movable element of an elevator like an elevator cabin or a counterweight, wherein the movable element comprising: a top side, a bottom side, a lateral side, a top edge between the lateral side and the top side, a bottom edge between the lateral side and the bottom side, a protective structure connected to the movable element via a shock-absorbing system holding the protective structure in an operating position and allowing the protective structure to move against the driving direction of the movable element, when the protective structure hits an object during driving of the elevator, wherein the protective structure has a top protective element which in the operating position is arranged above the top edge and is extending along the top edge, wherein the protective structure has a bottom protective element which in the operating position is arranged below the bottom edge and is extending along the bottom edge, and a collision detector for detecting when the protective structure is moved out of its operating position to detect a collision, wherein the collision detector is configured to initiate the stop of the movable element during its drive, when the collision is detected.

The utility model relates to a light curtain device and chain transmission hidden type protection mounting structure of construction hoist, belong to building hoisting and conveying machinery technical field, the utility model discloses including bending plate one, bending plate two, bending plate three, counterweight, light curtain and light curtain frame, bending plate one is fixed on the cage frame, bending plate two and bending plate three are installed on bending plate one, form an orbit space, to place counterweight, counterweight vertical motion along the orbit space formed by bending plate one, bending plate two and bending plate three, light curtain is installed in light curtain frame, the utility model discloses reasonable structure design makes it not directly expose on the surface, reduces the uncertain influence that outside factor brings, satisfies the use demand.

The invention relates to an elevator arrangement comprising a hoistway; and one or more hoisting ropes; and a rope supply storage; and an elevator car and a counterweight in the hoistway, which elevator car and counterweight are interconnected by the one or more hoisting ropes; and a hoisting machine unit mounted in a first hoisting machine position in the hoistway; and a rope anchoring device mounted in a first rope anchor position in the hoistway, the rope anchoring device comprising a support structure and one or more rope wheels for guiding the one or more ropes, and rotatably mounted on said support structure; wherein the one or more hoisting ropes pass from the rope supply storage to the rope anchoring device, around the one or more rope wheels thereof, and from the rope anchoring device to one of the car and counterweight; wherein each said rope has a surface material which is or comprises polymer, and the one or more rope wheels comprise at least one rope wheel provided to be lockable from rotating. The invention also relates a method for constructing an elevator implementing the arrangement.

The application provides an energy-saving elevator, and belongs to the technical field of elevators. In view of the problems of large installation space and poor safety of the energy-saving elevator, the application provides an energy-saving elevator, which comprises an energy recovery system connected with a traction machine or a traction rope, and a battery pack for storing electric energy, wherein the battery pack is arranged on the counterweight side and connected with the traction rope; a first liquid tank is arranged on the car; a second liquid tank wraps the battery pack and is connected with the first liquid tank through a conveying pipe and a bidirectional pump body; and the first liquid tank and the second liquid tank are provided with cooling liquid, and the proportion of the cooling liquid in the first liquid tank and the second liquid tank is adjusted based on the running direction of the car and the current weight of the car. The first liquid tank and the second liquid tank arranged on the counterweight side and the car side respectively realize real-time dynamic stepless configuration adjustment, realize energy saving, the battery pack in the energy recovery system is used as the counterweight, the additional installation space requirement of the energy recovery system is reduced, and the battery pack is protected by the cooling liquid in the second liquid tank, thereby improving the safety.

Embodiments herein relate to an elevator stabilization assembly for energy dissipation in an elevator component. The elevator stabilization assembly includes an actuator and a stabilizing device. The actuator is configured to move between a retracted position and an extended position. The stabilizing device includes an arm and a biasing member. The biasing member is coupled to the arm and biases the arm to move between a disengaged position and an engaged position. When the actuator is in the extended position, the arm moves to the engaged position when at least a portion of the arm contacts a fixed member of the elevator shaft. When the actuator is in the retracted position, the arm moves to the disengaged position such that at least a portion of the arm is no longer in contact with a fixed member of the elevator component.

This invention belongs to the field of elevator inspection technology, specifically referring to a rapid inspection and maintenance tool for elevator tracks. It includes a support frame, with a controller fixedly connected to one side of the support frame and a second guide frame fixedly connected to the other side. A first guide frame is fixedly connected to the top of the second guide frame, and a mounting base is fixedly connected to the lower end of the side wall of the support frame. A camera is mounted on the top of the first guide frame. A micro-pitting polishing mechanism is provided on one side of the first guide frame, and an oiling mechanism is provided on one side of the second guide frame. This application, through the micro-pitting polishing mechanism, can simultaneously perform micro-pitting polishing on the front, rear, and side walls of the elevator guide rail, achieving all-round, multi-angle polishing operations, greatly improving polishing efficiency and shortening inspection and maintenance time. The camera is used to detect rust on the elevator tracks, enabling timely detection of track problems, and allowing for targeted activation of the polishing and oiling mechanisms for appropriate treatment based on the detection results.

A kind of hydraulic lift of vertical shaft, belong to mine transport vehicle technical field, including flat car, fixed frame, tripod assembly and support frame are sequentially provided on flat car;Fixed frame is horizontally arranged at one end of flat car, support frame is vertically arranged at the other end of flat car, support frame and material contact point height is greater than fixed frame and material contact point height;Triangular frame component includes two triangular frame bodies, two triangular frame bodies are arranged in parallel, and are respectively arranged at the two sides of the length direction of flat car, two triangular frame bodies are provided with the lifting channel steel that can slide, lifting channel steel is connected between flat car with hydraulic cylinder.The height difference of fixed frame, support frame forms material inclination support, cooperate lifting channel steel driven by hydraulic cylinder and slide on triangular frame component, can flexibly adjust the inclination angle and space posture of super-long material, adjust the posture of super-long material to realize the adaptation to cage space, break through the limitation of fixed size of vertical shaft cage.

The application belongs to the technical field of mine hoist transmission, and specifically provides a standby power assembly based on a sheave of a mine hoist, which mainly comprises a speed regulating device, a motor, a photoelectric encoder, a clutch and a sheave. The sheave is of high strength, and the steel wire rope liner is preferably made of a material with high friction coefficient. The friction coefficient and the strength of the sheave can meet the requirements of the load carried in the standby and emergency lifting process under the traction force generated by the lifting steel wire rope. In the case of need, the clutch is attracted, and under the action of the speed regulating device, the alternating current motor rotates at a speed corresponding to 0~f e (rated frequency), and the direct current motor rotates at a speed corresponding to 0~U e (rated voltage). The sheave is driven to rotate by the clutch, and the lifting steel wire rope is driven to rotate by the high-friction liner nested in the sheave pulley, so as to complete the standby or emergency lifting task. Under normal circumstances, the clutch is separated, and the standby power assembly is in standby state.

A method and a controller (19) for assigning floor allocations of a plurality of service units (3) in an elevator arrangement (1) are described. The elevator arrangement comprises: a cabin (5) being displaceable between multiple floors (9) and provided with a sound receiver (11), the plurality of service units (3), each being arranged at one of the floors and being provided with an associated sound emitter (13), and a controller (15) for controlling a displacement of the cabin and for controlling an activation of each of the sound emitters. The method comprises: displacing the cabin successively to each of the floors, upon the cabin being located at a current floor (10), activating all sound emitters of the service units and receiving sound generated by at least one of the activated sound emitters by the sound receiver, detecting characteristics of sound emitted from the activated sound emitter located at the current floor, and determining an identity of a service unit arranged at the current floor based on the detected characteristics and assigning a floor allocation including an information about the current floor linked to an information about the determined identity of the service unit arranged at the current floor.

The utility model belongs to the technical field of mine hoist, disclose a single cylinder and double cylinder general type single rope winding type hoist, the reel outer circle of main shaft device is provided with the detachable rope baffle, realize conversion into single cylinder hoist mode or double cylinder hoist mode through detachable rope baffle, and double reel is separated into work reel control area and safety reel control area through detachable rope baffle, and the one end of work wire rope of work reel control area is fixed on the reel through wire rope holder, and the other end is connected with hoist container through crown wheel, and the one end of safety wire rope of safety reel control area is fixed with reel through holder, and the other end is connected with counterweight through crown wheel, only work reel control area when single cylinder hoist mode, and double reel satisfies small load, high efficiency demand in the initial stage of engineering, need not to change reel main body structure, realize single, double cylinder hoist mode reversible switching, be suitable for budget limited but need to meet the safe specification scene, avoid equipment idle waste, economic energy -conserving.