4231results about "Building lifts" patented technology

A trench drain includes a trench, a grating seat and a grating hingedly connected to the trench. The trench has a base wall with peripheral side walls extending upwardly therefrom and an outwardly-extending peripheral flange. The grating seat is configured to receive the grating. The peripheral side walls of the trench have a pair of opposing elongated slots formed therein and the grating has a pair of posts on opposing ends thereof. Each of the pair of posts on the grating are received in a respective one of the pair of opposing elongated slots of the trench to establish an axis of rotation.

The present invention discloses a traction machine with dual motors and an assembly method thereof, belonging to the technical field of traction machines. The traction machine includes a traction wheel, a main rotating shaft, two supporting bodies, and two sets of motor assemblies. The two supporting bodies are respectively arranged at both ends of the traction wheel, one motor assembly is installed between the first end of the traction wheel and one of the supporting bodies, and the other motor assembly is installed between the second end of the traction wheel and the other supporting body. The two supporting bodies are respectively sleeved on both ends of the main rotating shaft, and the main rotating shaft and the supporting bodies rotate in coordination. The traction wheel is sleeved outside the main rotating shaft and fixed to the main rotating shaft. The two supporting bodies are symmetrically arranged relative to the center of the main rotating shaft, and the traction wheel is symmetrically arranged relative to the center of the main rotating shaft. When the traction machine is in operation, the forces acting on the two supporting bodies are consistent, the bearing capacity of the traction machine is more uniform, and the dynamic balance of the traction machine is achieved.

A charger assembly 10 for charging an energy storage unit associated with an elevator is provided. The charger assembly includes a first charger unit 20 mechanically coupled to an elevator column 30. The first charger unit is adapted to tap voltage from a power source. The first charger unit interconnects a first block 40 and a second block 50. The first block includes at least two slots 60 adapted to interlock with at least two projections 70 provided on the second block. The charger assembly also includes a second charger unit 80 electrically coupled with the first charger unit and mounted on a guide bracket 90 associated with a cabin of the elevator. The second charger unit includes a plurality of pins 100 adapted to receive the voltage tapped by the first charger unit to charge the energy storage unit associated with the elevator.

The invention discloses a lifting device for an elevator car. The lifting device comprises a screw rod, a bearing base and a limiting top plate, wherein the elevator car is arranged between the bearing base and the limiting top plate, the bearing base is provided with a ball sleeve and a driving device used for driving the ball sleeve to rotate, and auxiliary supporting columns are arranged belowthe bearing base; the bearing base comprises a base, a bottom plate and an arc-shaped plate, wherein the arc-shaped plate is hinged to the bottom plate, the base is provided with a fixing groove, thebottom of the fixing groove is provided with through holes, and the auxiliary supporting columns pass through the through holes to temporarily support the bottom plate; and the driving device drives the ball sleeve to rotate, so that the bearing base is lifted along the screw rod, the bottom plate is gradually separated from the support of the auxiliary supporting columns, and the bottom plate andthe arc-shaped plate are pressed into the fixing groove through the elevator car under the guide of the arc-shaped plate. According to the lifting device, the elevator car is convenient and fast to install, and the elevator car can be easily replaced in the later period.

The invention discloses an elevator for construction, and relates to the technical field of equipment for building construction, all guide wheels are installed on a suspension cage, all the guide wheels are located between the suspension cage and a guide rail pipe of a tower body standard knot, the guide wheels are located on the periphery of the guide rail pipe, the guide wheels are used for clamping the guide rail pipe, and a left compartment and a right compartment which are communicated with each other are arranged in the suspension cage; the left compartment and the right compartment are located on the left side and the right side of the tower body standard knot correspondingly and are symmetrically arranged, the adjusting plate is installed on the side, away from a building, of the tower body standard knot and is parallel to the construction surface of the building, and the upper end of the adjusting plate is hinged to an upper top frame at the upper end of the lifting cage. The lower end of the adjusting plate is detachably connected to a lower bottom frame at the lower end of the cage and can be adjusted and fixed at different front and back positions, so that the cage can be adjusted at different angles relative to a tower body standard knot. Construction of building inclined planes with different inclination angles can be achieved, the application range is wide, and the use safety is high.

The invention discloses a telescopic elevator door knife assembly which is movably connected to a door machine hanging plate, the door knife assembly comprises a door knife bottom plate and a door knife blade, a fixing support is arranged on the door machine hanging plate, a fixing shaft is arranged at the end, away from the door machine hanging plate, of the fixing support, the fixing shaft extends towards the door knife bottom plate, and the door knife blade is arranged on the door knife bottom plate. The fixing shaft is sleeved with a telescopic spring, and the door vane bottom plate is provided with an opening allowing the fixing shaft to pass through and allowing the telescopic spring not to pass through. A rotating arm and an unlocking deflector rod are arranged on the side, back on to the telescopic spring, of the door knife assembly, a pushing and pressing part making contact with the door machine bottom plate is arranged at one end of the rotating arm, and the unlocking deflector rod is used for poking the rotating arm to enable the pushing and pressing part to extrude the door knife assembly, so that the distance between the door knife assembly and the door machine hanging plate is increased. According to the telescopic elevator door knife assembly, no matter which direction an elevator moves, the door knife blade can be prevented from colliding with the door ball, the telescopic elevator door knife assembly is suitable for an inclined elevator, and operation is safer and more reliable.

The utility model relates to the technical field of elevators, in particular to an anti-pinch device for an elevator door. An elevator door anti-pinch device comprises a lift car, and a lift car opening is formed in the front portion of the lift car. The first car door and the second car door are arranged on the car in a reciprocating sliding mode so as to close or open the car opening; the driving mechanism is used for driving the first compartment door and the second compartment door to slide in a reciprocating manner; the inserting part is arranged on the side, close to the second compartment door, of the first compartment door in a protruding mode; the inserting groove is formed in the side, close to the first compartment door, of the second compartment door, and the inserting groove can be matched with the inserting part in an inserting mode; and the detection mechanism comprises a first detection piece and a second detection piece, and when the first detection piece and the second detection piece are not in electrical contact, the elevator traction equipment stops starting. The utility model provides an elevator door anti-pinch device capable of detecting small articles.

The utility model discloses a traction machine rack and an elevator and belongs to the technical field of elevators, and the traction machine rack comprises a bearing assembly, a supporting assembly and a support assembly. The bearing assembly is composed of two bases arranged in parallel, a first bearing beam, a second bearing beam and a middle beam. The two ends of the first bearing beam are connected with one ends of the two bases, the two ends of the second bearing beam are connected with the other ends of the bases, the first bearing beam and the second bearing beam are arranged in parallel, and the two ends of the middle beam are connected with the ends, close to the bases, of the first bearing beam and the second bearing beam respectively. The supporting assembly comprises a first supporting beam and a second supporting beam, the two ends of the first supporting beam are connected with the first bearing beam and the middle beam respectively, and the two ends of the second supporting beam are connected with the first bearing beam and the second bearing beam respectively. The two ends of the support assembly are connected with the first supporting beam and the second supporting beam correspondingly, and a traction machine installation position is arranged on the surface of the side, away from the middle beam, of the support assembly and close to the second supporting beam. The running stability of the elevator can be improved.

The invention relates to the technical field of elevators, in particular to an elevator traction machine vibration reconstruction method and system based on a millimeter wave radar. The method comprises the steps that in the elevator running process, echo signals of a millimeter wave radar are collected; firstly, a continuous phase sequence is obtained through echo signals; generating a rough vibration signal in a radar sight line direction according to a phase-displacement mapping relation, calculating a physical confidence coefficient, constructing a dual-channel physical prior tensor, synthesizing a three-axis reconstruction vibration signal tensor by using a PGGN physical gating generation network, and finally performing physical rationality evaluation on the three-axis reconstruction vibration signal tensor. And adjusting the gating parameters of the anisotropic physical gating unit according to the evaluation result. On the premise that a contact sensor does not need to be installed on the surface of the traction machine for a long time, physical consistency reconstruction of the three-axis vibration signals of the elevator traction machine is achieved.

An expandable multifunctional integrated-construction skyscraper building platform and a construction method using the same are provided. The expandable multifunctional integrated- construction skyscraper building platform includes: a building foundation part, including an underground level, a basement level and a ground level which form a main body; an external frame part, a bottom of the external frame part being fixed deep into the underground level, and a top of the external frame part running through the basement level and the ground level to reach upper air such that lifting platform parts arranged on the external frame part are capable of going up from the underground level for construction; a transportation elevator part and a three-layer enclosure part, mounted on the building foundation part; a top transfer part, mounted on a Chinese character “Ri” frame at a top of the external frame part; and a carrying tower.

A seal assembly (100) for an elevator (200) is disclosed. The seal assembly includes a covering structure (102). The covering structure covers a top portion of the elevator. The covering structure (102) comprises a plurality of pairs of U-shaped slots (102A) integrally formed along a peripheral portion of the covering structure (102), the plurality of pairs of U-shaped slots (102A) being arranged in mutually orthogonal orientations. Further, a plurality of U-shaped plates (104) are disposed along the peripheral portion and a plurality of seal moulds (106), each seal mould (106) is positioned in a respective region bounded by the peripheral portion and a lower surface of the covering structure (102), the pair of outer side walls (104A, 104B), and an elevator cabin (220) of the pneumatic vacuum elevator (200), thereby enhancing sealing performance and reducing vibration transmission to the elevator cabin.

A structure 10 for constructing an improved guide pillar system of a pneumatic vacuum elevator is provided. The structure includes a column 20. The column includes at least four sides including a first side 40, a second side 50, a third side 60, and a fourth side 70. The structure includes at least one angled section 80 to provide radius edges to the third side. The structure includes at least one channel section 90 including a first wall 100 to support a covering sheet 110 of the external cylinder. The first wall includes a first projection 120 including a gasket lining 130 to provide a vacuum tight sealing between the covering sheet and the first wall. The at least one channel section includes a second wall 140 to support a beading 150 to force the covering sheet against the first wall to prevent relative movements of the covering sheet.

The utility model relates to the technical field of elevators, in particular to an elevator car ventilation device capable of adjusting ventilation quantity, which comprises a car, a plurality of air outlet holes a which are distributed at equal intervals front and back are arranged on the middle lower portions of the left side and the right side of the inner wall of the car, and a plurality of air outlet holes b which are distributed in a matrix are arranged on the left side and the right side of the inner wall of the car and located above the air outlet holes a. Adjusting assemblies are arranged on the left side and the right side of the inner wall of the lift car correspondingly, each adjusting assembly comprises two L-shaped fixing vertical plates which are symmetrically arranged front and back, a shielding plate is slidably connected between the two L-shaped fixing vertical plates, and the position, close to the middle of the top edge, of the outer side of the shielding plate is in threaded connection with a pressing bolt. According to the elevator car ventilation device capable of adjusting the ventilation quantity, the opening and closing states of the air outlet hole b can be flexibly adjusted through the baffle plate in the adjusting assembly, so that the air flow is controlled, passengers can adjust the ventilation intensity according to actual requirements, and the situation that passengers feel uncomfortable due to large air flow in winter or under other special conditions is avoided.

The utility model belongs to the technical field of elevators, and particularly relates to a mounting structure of a car frame of a three-door elevator, which comprises a main lower beam, connecting upright posts and a main upper beam, the connecting upright posts are mounted at two ends of the upper surface of the main lower beam, two ends of the main upper beam are connected to the tops of the connecting upright posts, and an auxiliary lower beam is mounted on the upper surface of the main lower beam. The auxiliary lower beams and the main lower beams are arranged in a staggered mode, the two ends of each auxiliary lower beam are movably connected with connecting rods, and the tops of the connecting rods are connected with auxiliary upper beams. The main beam structures and the auxiliary beam structures are arranged in a crossed mode, three sets of elevator doors can be arranged at the crossed positions of the main beam structures and the auxiliary beam structures, the tops and the bottoms of the beam structures and the auxiliary beam structures are fixed through matching of the fixing holes and the fixing bolts, and the side walls of the main beam structures and the auxiliary beam structures are fixed through matching of the connecting supports and the bolts. By adopting the double-beam structure, the structural strength and stability of the bridge can be improved, and meanwhile, the auxiliary lower beam is located above the main lower beam, so that the requirement for the pit depth can be reduced.

The invention discloses a supporting and positioning device for elevator installation, relates to the field of lifting and landing platforms, and solves the problems that an existing supporting and positioning device for elevator installation is tedious in operation and poor in adaptability during use, the supporting and positioning device comprises a device box, an adjusting plate, a supporting mechanism, an adjusting mechanism and a positioning mechanism, and the supporting mechanism comprises a supporting rod; the positioning mechanism comprises a positioning plate, by adjusting the inclination angle and length of the supporting rod, the supporting rod supports and fixes the positions of elevator shaft corners of different sizes, the positioning mechanism adjusts the position of the positioning plate to achieve positioning of an elevator chassis, the state of the supporting rod is controlled in a linkage mode in the positioning process, and the positioning accuracy is improved. The position of the supporting rod is limited in an auxiliary mode, the device box is aligned to the relatively middle position, the horizontal degree of the adjusting plate can be adjusted while the relative position of the adjusting plate is kept through the adjusting mechanism, large-amplitude shaking of the adjusting plate is avoided, and the follow-up installation operation of the lift car chassis is more stable and efficient.

The utility model relates to the technical field of elevator detection, in particular to an elevator door knife door ball and sill gap detection device based on laser ranging. The detection device comprises a measurement host unit and a displacement measurement unit, the measurement host unit comprises a magnetic attraction seat, a horizontal adjustment assembly is arranged at the upper end of the magnetic attraction seat, a lifting adjustment assembly is arranged at the upper end of the horizontal adjustment assembly, a measurement host is arranged at the upper end of the lifting adjustment assembly, and the measurement host comprises a shell. A circuit board, a laser ranging module and a lithium battery are arranged in the shell, and an opening for laser to pass through is formed in the shell; the displacement measuring unit comprises a universal magnetometer base, a universal frame is arranged at the upper end of the universal magnetometer base, the upper end of the universal frame is connected with a displacement measuring assembly through a connecting assembly, and the displacement measuring assembly comprises an encoder and a tachometer wheel connected with the encoder. The horizontal adjustment assembly of the measurement host unit can ensure the accuracy of measurement, and the device is flexible and convenient to adjust, convenient to measure and light and handy.

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 seal assembly 100 for an elevator 200 is disclosed. The seal assembly includes a covering structure 102. The covering structure covers a top portion of the elevator. The covering structure includes a plurality of grooves 104 and a seal mould 106. The plurality of pairs of grooves is disposed on a peripheral portion of the covering structure 102. Each plurality of pairs of grooves is positioned diametrically opposite each other. The seal mould operatively coupled with the plurality of pairs of grooves. The seal mould is adapted to position on the peripheral portion of the covering structure at a clearance between a wall 108 of each groove of the plurality of pairs of grooves and a sealing material.

According to an aspect, there is provided an elevator system comprising an elevator car (100) configured to move in an elevator shaft (200) comprising at least a bottom landing and an elevator pit (216), and an elevator controller (102) configured to move the elevator car (100) into a predetermined service access level in the elevator shaft (200) in response to a received service access call. The elevator car (100) comprises an at least partially openable service access floor (202) to provide access to the elevator pit (216) through the openable service access floor (202). The service access floor (202) in its opened state is configured to provide a refuge space (218) at least partially inside the elevator car (100) for a person in the elevator pit (216) when the elevator car (100) is at the predetermined service access level (212).

The invention relates to the technical field of elevator cars, and provides an elevator car air purification constant pressure device which comprises an air pressure sensor and a controller in signal connection with the air pressure sensor and further comprises a shell, a first conical cover is fixed to one end of the shell, and a second conical cover is fixed to the other end of the shell. The first conical cover and the second conical cover are used for alternately filtering air entering the elevator car; cleaning mechanisms are arranged outside the first conical cover and the second conical cover; a supporting part is fixed in the shell; seamless connection of filtering and cleaning is achieved through the alternate working mode of the first conical cover and the second conical cover, when the air pressure of the conical cover on one side is reduced due to dust accumulation, the pneumatic component is automatically switched to the other side to continue to supply air, it is ensured that the air pressure in the elevator car is constant, and the safety is improved. And the problem of ventilation interruption caused by shutdown maintenance of traditional single-filter-element equipment is avoided.

This invention discloses a building material conveying device, relating to the field of transportation technology, which can solve the problem that materials often need to be manually handled when transferred to designated floors. An embodiment of this invention discloses a building material conveying device, including a first lifting frame and a second lifting frame, and a plurality of lifting trays; the first and second lifting frames are arranged side-by-side in parallel, and the single lifting height of both the first and second lifting frames is equal to the height of a single floor; the plurality of lifting trays are evenly distributed on opposite sides of the first and second lifting frames, and the vertical spacing between adjacent lifting trays is the same as the height of a single floor; it also includes a hopper assembly and a repositioning assembly for driving the hopper assembly to rotate and change position; the hopper assembly is sleeved on the repositioning assembly and slidably connected to it vertically; when the first and second lifting frames are in a raised or lowered state, the orthographic projection of the hopper assembly only overlaps with the lifting trays on the first or second lifting frame.

An elevator includes: a car having a car room; a guide rail configured to guide a movement of the car; a lower frame provided on a lower portion of the car room; and an emergency stop apparatus configured to stop the movement of the car. The emergency stop apparatus includes a brake mechanism having a braking element configured to clamp the guide rail, a drive mechanism configured to operate the brake mechanism, and an operation mechanism configured to actuate the drive mechanism. The drive mechanism and the operation mechanism are accommodated in the lower frame.

To provide an elevator lifting support device capable of lifting an object more stably.SOLUTION: A support frame 40 is supported horizontally by a first support column 21 and a second support column 22 between a first guide rail 11 and a second guide rail 12. The support frame 40 has a pair of first beams 41, a pair of second beams 42, and a pair of hanging base portions 43. When viewed from directly above a hoistway 10, the pair of first beams 41 are arranged at intervals in a direction along a rail center line C so as to intersect the rail center line C. The pair of second beams 42 are respectively installed between the pair of first beams 41 on both sides of the rail center line C.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of goods lift falling prevention, and discloses a high-strength anti-falling safety device suitable for goods lifts.The high-strength anti-falling safety device suitable for goods lifts.The high-strength anti-falling safety device comprises an elevator shaft, a transverse plate is fixedly connected to the top of the elevator shaft, a traction assembly is arranged on the upper portion of the transverse plate, a lift car is arranged in the middle of the elevator shaft, and an anti-falling assembly is arranged at the top in the lift car; protection assemblies are arranged on the two sides of the interior of the lift car, and an elevator door is installed outside the lift car. The anti-falling assembly comprises a plate spring, the plate spring is fixedly connected to the inner top of the lift car, a U-shaped ring is fixedly connected to the middle of the plate spring, and fixing frames are fixedly connected to the two sides of the inner top of the lift car. According to the elevator traction assembly, when the steel rope of the elevator traction assembly is broken, the bottoms of the two rotating blocks are clamped in the sawtooth grooves formed in the exteriors of the two limiting blocks through the cooperation of the plate springs and the rotating blocks, the steel rope is prevented from falling rapidly, and safety is guaranteed.

An elevator car includes a support frame that is provided at the top of the elevator car, the support frame includes at least two longitudinal beams extending basically parallel to each other in a longitudinal direction (L); and at least two transverse beams attached to the longitudinal beams and extending basically parallel to each other in a transverse direction (T) that is oriented transversely, in particular perpendicularly, to the longitudinal direction (L), such that the two of the least two longitudinal beams and the two of the least two transverse beams define a working opening having predefined transverse working opening dimensions (x, y) that are independent of the dimensions (A, B) of the elevator car, the working opening allowing a mechanic to access at least one component that is located above or on top of the elevator car from inside the elevator car.

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.

The invention provides a lift car of a load elevator and the load elevator. The lift car comprises a lift car body, a plurality of rolling guide shoes and a plurality of sliding guide shoes. The car main body comprises a plurality of car frames arranged at intervals in the depth direction of the car; wherein rolling guide shoes are arranged on the two sides of part of the car frames respectively, and sliding guide shoes are arranged on the two sides of part of the car frames respectively. According to the technical scheme, the rolling guide shoe and the sliding guide shoe act together, the running stability of the elevator can be improved, and therefore the abrasion degree of the guide shoes is reduced.