285 results about "Automobile platform" patented technology

The invention provides an Internet car platform interactive method, comprising the following steps: (A) receiving a one-key login instruction of at least one user; (B) executing user authentication; and (C) executing the one-key login instruction. By adopting the Internet car platform interactive method provided by the invention, the user can carry out one-key login by using one account to achieve the service sharing of multiple accounts of the user on multiple platforms, the multi-account binding certification authority of Internet cars can be realized, and the service platform technology of Internet multi-content platforms can be opened.

The invention relates to a turning device. The turning device comprise a machine frame, a left turning frame and a right turning frame, wherein the left turning frame and the right turning frame are located on the upper end face of the machine frame in a supported mode and used for turning. The left turning frame and the right turning frame are each provided with a side supporting table and a bottom supporting table, and the side supporting tables and the bottom supporting tables are used for supporting one sides and the bottom of a part to be turned correspondingly when the left turning frame and the right turning frame are in the turning state. When the left turning frame and the right turning frame are located in the initial positions, the side supporting table of the left turning frame and the side supporting table of the right turning frame horizontally support the part to be turned; when the left turning frame is turned by 80-100 degrees and the right turning frame is turned by the angle complementary with the turning angle of the left turning frame, the side supporting table of the left turning frame and the side supporting table of the right turning frame support the part to be turned in a clamping mode; and when the left turning frame and the right turning frame are each turned by 90 degrees, the bottom supporting table of the left turning frame and the bottom supporting table of the right turning frame support the bottom of the part to be turned jointly. According to the turning device, reliable and stable turning operation can be achieved; and impact is unlikely to be caused in the turning process, and thus the turning part such as a car platform is effectively protected.

A system is provided that uses small carrier vehicles that operate along electrified guideways and use standardized connections to automatically carry load-carriers to desired destinations. The load-carriers may be passenger cabins, freight loads or automobile platforms and in each case are loaded and unloaded at separate loading and loading regions. Loading regions are preceded by queue portions of branch paths and may include a group of regions which may be a series of cabin loading regions along a branch path or may be automobile loading regions in side-by-side lanes. Passenger station arrangements are provided for rapid and efficient movement of passengers and for transfer operations when desired. Platform constructions and loading arrangements are provided for rapid loading and unloading and safe transport of automobiles.

The invention discloses a knapsack type elevator cage frame and a home elevator. The knapsack type elevator cage frame comprises a cage (7), and a bracket (3), a straight girder (1), a lower girder (2), a top girder (4), sound insulation shock pads (5), a cage platform (6), and a cage top (8) which are used for supporting the elevator cage (7), and a diagonal member (10) used for adjusting the cage (7); four shock pad supports (16) are fixed between the bracket (3) and the cage platform (6) arranged on the elevator cage (7); each shock pad support (16) is provided with the sound insulation shock pad (5); the upper end of the straight girder (1) is provided with the top girder (4) and simultaneously the upper surface of the upper girder (4) is lower than the cage top (8); and the cage top (8) is provided with four cage top draw bars (9). The home elevator comprises the knapsack type elevator cage frame. The height of a top is reduced; shock pads and rubber pads are arranged so that the running comfort degree of the cage is improved; the friction noise of a guide shoe sliding block is reduced; and the knapsack type elevator cage frame and the home elevator have a scientific design and a compact structure and are ideal.

The invention discloses Internet oriented intelligent electric car platform architecture. A CAN local area network is connected with a multimedia system module, a vehicle body accessory system module, an air conditioner system module, a power drive control module, an electric energy storage control module, a control / antilock brake control module, an electric steering module, a vehicle state sensor and an environment identification module to form the CAN local area network. A whole vehicle control ECU18 is connected with the modules through the CAN local area network. According to the Internet oriented intelligent electric automobile platform architecture provided by the invention, full digital control is applied; nodes are connected through a network and are realized modularly. Personalized customization can be carried out on the modules c according to users. An in-car CAN local area network, the out-car Internet and the Internet of vehicles are connected by module interfaces through a gateway, thereby realizing three-network integration, and an electric car is intelligently controlled through support of cloud data.

The invention relates to a cleaning and sweeping car platform control system and a cleaning and sweeping car. The cleaning and sweeping car platform control system includes a controller, a touch display screen, a CAN panel, a wireless terminal module, an electromagnetic valve, a general vehicle ECU and an auxiliary engine ECU; the controller is provided with CAN interfaces, an input interface andan output interface; the controller is connected with the display screen, the CAN panel, the wireless terminal module, the electromagnetic valve, the general vehicle ECU and the auxiliary engine ECU through the CAN interfaces; the input interface is used by the controller for receiving signals from sensors; the output interface is used by the controller for driving the electromagnetic valve and other electric equipment. The control system integrates functional operation of all cleaning and sweeping tasks on the display screen without adopting a selection switch in an original control system scheme, and the installation space of operation equipment is saved in order to achieve platform layout of the operation equipment of the control system on chassis different in type. A control box of thecontrol system adopts a modular and standard design mode and can adapt to the installation demands of electrical control elements of all cleaning and sweeping cars.

The present invention can efficiently control special call operation even on double-deck elevators. The elevator group management control device (10) for controlling multiple double-deck elevators has: a general call input part (3); a general call distribution control part (4), which controls and distributes the input general call to each of multiple double-deck elevators. The upper and lower cars perform evaluation calculations, so that the car with the best evaluation value responds to the platform call; the special call input part (5) is composed of special call buttons (2) that only allow specific users to use; the special call response control part ( 6), when inputting a special call, the control assigns the special call to any one of the free cars that can respond the fastest, or the specific number car specified in advance; and the general call distribution change part (7), the General calls that have been assigned to the upper and lower cars of a specific car assigned a special call are instead assigned to other cars, limiting new assignments.

An anti-falling brake-buffer system for a mining express elevator comprises brake ropes fixed at the two sides of a car platform sill, one end of each brake rope is fixed at the top of a vertical shaft, the other end of the brake rope is fixed at the bottom of the vertical shaft, and a linkage mechanism is arranged at the bottom of the car platform sill, a buffer is arranged at the top of the brake rope, a tension connector is arranged at the bottom of the brake rope, and a safety tongs of the brake rope, which is fixed on the brake rope and connected with the linkage mechanism, is arranged at the bottom of the car platform sill; and the buffer comprises a pair of inversed progressive safety tongs of the brake rope, a buffer rope connected with the brake rope is arranged in the progressive safety tongs of the brake rope, and a buffer rope clamp is arranged on the buffer rope. According to the anti-falling brake-buffer system for the mining express elevator, the installation is convenient, the buffer force of the brake rope is constant and adjustable, the anti-falling braking is reliable, and the safety of a non-rigid guide rail elevator in high-speed running is improved. The anti-falling brake-buffer system can be acted on the brake rope to play a buffer role, also plays a role of braking reliably when the elevator falls or brakes, so that the safety of the mining express elevator in the high-speed running can be improved.

The invention discloses a double-platform scaffold-free elevator installation method. The method is characterized by comprising the installation procedures of manufacturing a template and unwinding a wire, installing machine room equipment, erecting a temporary platform, installing bottom pit equipment, assembling a lift car platform, assembling a downward moving platform, installing a traction speed limiter, performing slow operation regulation, utilizing the platforms to construct, disassembling the platforms and installing counterweights, fine decorating a lift car and performing quick operation regulation. The double-platform scaffold-free elevator installation method is short in installation period, low in construction power consumption and suitable for installation of high-rise elevators.

The invention discloses a primary-secondary electric conveying platform system. The primary-secondary electric conveying platform system comprises a primary car platform, a secondary car platform andan extensible conveying belt; the primary car platform comprises a primary car body, primary controllers, a control assembly, primary car driving devices and a primary car intelligent industrial mechanical arm, wherein the control assembly, the primary car driving devices and the primary car intelligent industrial mechanical arm are connected with the primary car controller; the secondary car platform comprises a secondary car body, secondary car controllers, secondary car driving devices and a secondary car intelligent industrial mechanical arm, wherein the secondary car driving devices and the secondary car intelligent industrial mechanical arm are connected with the secondary car controller; the secondary car controllers are connected with the primary controllers; the secondary car platform is arranged on the primary car platform and is smaller than the primary car platform; one end of the extensible conveying belt is connected to the primary car body, and the other end of the extensible conveying belt is connected to the secondary car body. In the primary-secondary electric conveying platform system, the primary car platform and the secondary car platform can finish work independently and also can work cooperatively; the aim that work is carried on in a narrow space can be achieved through the secondary car platform; cargoes can be conveyed through the extensible conveyingbelt, the labor cost is easily saved, and the efficiency is easily improved.

The invention discloses a speed reduction falling preventing elevator. The elevator comprises an elevator shaft and a car platform sill located in the elevator shaft and is characterized in that an embedded guide rail is arranged on the wall of the elevator shaft, the car platform sill is installed on the embedded guide rail in a matched mode through a guide shoe, and a flexible side wing matched with the cross section of the elevator shaft in shape and a rolling mechanism are installed at the bottom of the car platform sill. When the car platform sill operates normally, the rolling mechanism controls the flexible side wing to roll so that the car platform sill can operate normally, and when the car platform sill falls, the rolling mechanism controls the flexible side wing to be unfolded to form motive seal with the wall of the elevator shaft so that the car platform sill can slow down under the action of bottom air pressure. The speed reduction falling preventing elevator has the advantages that when the car platform sill falls, the flexible side wing is unfolded to form motive seal with the wall of the elevator shaft, so that the car platform sill becomes a structure similar to a piston to extrude air below, and high pressure is generated to offset gravity of the car platform sill to reduce speed.

The invention discloses a trash dumping device. The whole set of the device comprises a manipulator and a trash can, the trash can is clamped by the manipulator to be lifted, trash can covers are opened, and the trash can is rotated to dump rubbish. The manipulator is installed on a trash car platform, the manipulator is pushed by a four-stage telescopic hydraulic cylinder to clamp the trash can to lift the trash can upwards to reach a designated position, push rods on the two sides of the trash can is pushed by a poking piece to rotate, front and rear side trash can covers are driven by the push rods to move backwards and rotate, the push rods, the trash can covers, rocking rocks and the can body are of dual-rocking-rod mechanisms, and the opening and moving of the trash can covers are achieved. A manipulator arm is driven by the stepping motor to clamp and rotate the trash can, the poking piece is restored after trashes are dumped, and the push rods are restored with the help of thetorsion springs which are installed on the inner sides of the push rods to drive the trash can covers to be restored and closed. The trash dumping device has the advantages that the designing structure is compact, the trash can service life is long, fully automatic loading and unloading of the trashes can be achieved, and therefore the labor intensity of environmental sanitation workers is significantly reduced.

The invention discloses a device enabling a car door sill to align at a landing door sill. A bracket is connected to the upper portion of an upper car platform in a rigid or detachable mode and connected with a motor support in a rigid or detachable mode; one or more ultrasonic motors are fixedly connected to the motor support respectively; main shafts of the ultrasonic motors are connected with a micro-positioning platform connected to a car floor through one or more springs; a position sensor is arranged on the side of the car door sill and electrically connected with the ultrasonic motors. The relative position precision of the car door sill and the landing door sill is higher; influences caused by insufficient micro-positioning platform layer precision and faults can be eliminated; through fine motion of a car, a car frame is fixed, a main machine brake does not need to be released in the platform layer, and safety when a door is opened in an elevator leveling area; a few transmission chains are provided for the device; the system response is rapid; the transmission precision is high, working efficiency is high, interference is low, and the signal attenuation rate is low.

The invention discloses an intelligent interaction elevator system which comprises a man-machine interaction terminal, an elevator control device and multiple wireless elevator calling devices. The man-machine interaction terminal can register identity recognition information of wireless signal transmitters carried by passengers in advance. The multiple wireless elevator calling devices are sequentially arranged in all external calling devices of an elevator. The wireless elevator calling devices can communicate with the wireless signal transmitters within the communication range. When the wireless signal transmitters enter the communication range of the wireless elevator calling devices, the wireless elevator calling devices obtain the identity recognition information of the wireless signal transmitters and feed the information back to the elevator control device. The elevator control device recognizes and matches the feedback information with the stored identity recognition information and calls a car platform sill of the elevator to operate to floors where the wireless signal transmitters are located. The car platform sill of the elevator can respond to calling in advance to do reaction motion, in this way, time of the passengers for waiting for the elevator can be effectively saved, and use experience of the passengers is improved.

The invention discloses an elevator door state detecting method based on an image column diagram. The method comprises the following steps that 1, video image information in a car platform sill is collected; 2, analysis is carried out according to the collected video image information, whether an elevator door of the elevator car platform sill monitored currently is in an opening state or not is judged, and the result is conveyed to a data analyzing unit; and 3, according to a detecting area transmitted by a video collecting module, a door state detecting unit registers a background template under the door complete closing state in an H channel of an HSV space, constantly calculates the difference between a current frame column diagram and a background column diagram later, and judges theopening and closing state of the door.

The invention discloses a ventilated safety elevator for smart cities, comprising a car, an active fan, an active air intake pipe, a dynamic air intake pipe, a purification channel, an air purification device, an air outlet channel, an exhaust port, an anion generator, carbon dioxide The measuring instrument, the installation window, the U-shaped support frame, the lower beam, the permanent magnet, the first through hole, the second through hole, and the upper surface of the U-shaped support frame are uniformly provided with a plurality of shock absorbing mechanisms, and the top of the shock absorbing mechanism is provided with The movable car bottom is provided with a door-shaped connecting bracket between the second through holes. The invention is simple and reasonable in structure, quick and convenient to use, improves the comfort of passengers, improves the quality of the air entering the car, and increases the safety of the elevator ride; the cushioning airbag avoids the contact and friction between the car and the well wall, When driving, the airbag can play a certain buffering role, and the safety factor is greatly improved.

The invention relates to the technical field of robots, and particularly relates to a robot for real-time positioning and map construction, which comprises an STM32 robot control module and a raspberry Pi 3B image module, wherein the STM32 robot control module and the raspberry Pi 3B image module are connected through a serial port; the raspberry Pi 3B image module performs image data acquisitionby a camera and a gyroscope; the STM32 robot control module is connected to a PC host computer through a wireless router; and the STM32 robot control module is connected to a motor control module. Thevisual SLAM based on the camera can use the current map reconstruction technology and the route planning technology to build an SLAM car platform that can independently perform map reconstruction andobstacle avoidance. A sweeping robot platform construction scheme is put forward. A map optimization algorithm is finally used to improve the accuracy and the real-time performance of route planning,thereby being creative.

The invention relates to the technical field of elevator equipment, in particular to an elevator lift car platform welding tooling, which comprises a fixing frame, a welding fixed assembly and a welding movable assembly, wherein two slide rails are parallelly and symmetrically arranged on two transverse rods of the fixing frame, the welding fixed assembly is fixedly arranged at one end of the fixing frame, the other end of the fixing frame is provided with the welding movably assembly, and the welding movable assembly leftwards and rightwards slides on the fixing frame. along the slide rails The elevator lift car platform welding tooling has the advantages that the structure is adopted, the welding movable assembly leftwards and rightwards slides on the fixing frame along the slide rails and simultaneous acts with the welding fixed assembly, so the welding position precision of a lifting car platform, the welding quality and the welding efficiency can be improved, in addition, the operation of the welding tooling is convenient, safety and stability are realized, the labor is saved, the production efficiency is effectively improved, and the popularization and the use are easy.

The invention discloses a full-round machine-room-less sightseeing elevator to solve the problem of poor effect of low angle sightseeing of the machine-room-less sightseeing elevator in the prior art. The full-round machine-room-less sightseeing elevator comprises a car, a car door and a portal crane and is characterized in that the car comprises a surrounding cylindrical car wall, a car roof at the top and a car platform at the bottom, the car door is of an arc shape and is matched with the shape of the car wall, the portal crane is connected below the car platform, and the car door, the car wall and the car roof are all made of transparent materials. With the improvement of individuation and high-quality life demands of people, people raise large numbers of requirements for sightseeing effects and appearance characteristics and the like when selecting a sightseeing elevator, but elevator manufacturers are limited to complementary products such as portal cranes, and accordingly the full-round machine-room-less sightseeing elevator is not developed; therefore, the full round machine-room-less sightseeing elevator is designed to solve the problems.

The invention relates to the parking storehouse field of the city traffic. It involves one new-type rotation parking device, which includes the supporting shelf, the enclosing shelf, and the big shaft and axle sleeve seat located on them. The front and the rear rotary table are big revolutionary wheels which compose a large-scale subject that suited on the big shaft. The subject between the front and the rear rotary table is equipped wit parking cabins, and the accessive car platforms for matching use. Its feature is that the above-mentioned two rotary tables are fixed with pulley set supporting axle, and the parking cabins are cylindrical and located in the subject between the two rotary tables. The advantages of this invention are small investment, low cost, little area, increasing the parking cabins and the subject's utilization of the space density, convenient access, safe, swift, and beautiful appearance.

The invention discloses a non-welded car frame. The non-welded car frame comprises a car platform assembly, a stand column assembly, an upper cross beam assembly and a first guide roller assembly, and further comprises a plurality of fixing members, wherein the stand column assembly is provided with a plurality of first assembling parts; and each of the car platform assembly, the upper cross beam assembly and the first guide roller assembly is provided with a second assembling part, and the plurality of fixing members are used for fixing the first assembling parts and the second assembling parts so as to assemble the car platform assembly, the upper cross beam assembly and the first guide roller assembly on the stand column assembly. The stand column assembly, the car platform assembly, the upper cross beam assembly and the first guide roller assembly are assembled through matching among the fixing members, the first assembling parts on the stand column assembly, and the second assembling parts on the car platform assembly, the upper cross beam assembly and the guide roller assembly, and no welding is used in the assembling process, thus the troubles in factory manufacture and layout caused by welding of multiple parts and large parts are avoided.

The invention discloses a waste slag treatment process of a mixing station, which comprises the following process steps: the mixing and conveying vehicle is driven to the car platform of the car wash to clean the residual material in the tank; the cleaned waste concrete is poured into the chute of the feeding device In the process, the waste concrete is pushed into the sand separator by the screw for cleaning and separation; the separated sand is pushed to a high place by the sand lifter and discharged through the sand outlet, and the separated stones are directly discharged through the stone outlet The sewage is discharged into the diversion tank outside the sand and gravel separator through the drain on the frame of the sand and gravel separator, and flows into the slurry tank, and the slurry in the slurry tank is pumped into the filter press by the sewage pump to pressurize Filtration; the present invention enters all waste residues and waste water generated in the production process of the mixing station into the system for treatment, reduces environmental risks, and fully utilizes the remaining ash, slurry water and wastes in the production process, which has broad potential The market prospect is worthy of vigorous promotion.

The invention relates to a standardized range-increasing power system which comprises a power battery standard box group, a standard range-increasing device and a standard controller. The standard controller is respectively connected with a battery standard box and the standard range-increasing device through CAN communication lines, the battery standard boxes and the standard range-increasing device are respectively connected with a whole vehicle power direct current bus through a main switch, and each battery standard box is connected with the standard range-increasing device through an auxiliary switch; the battery standard box and the standard range-increasing device are internally provided with a standard management module. According to the standardized range-increasing power system and management method, one or more power battery standard boxes can be directly selected to use when the whole vehicle is developed in the application of the field of electric automobiles, a special battery box does not need to be specially developed, and different driving range configurations in the same electric automobile are realized; the problem that a power battery standard box and a standardrange-increasing device are shared and interchanged on a plurality of electric automobile platforms can be effectively solved, the difficulties of large-scale production, repeated use, after-sale maintenance, replacement and the like of core components of the electric automobile are overcome, and the system and method have high commercial utilization value.

The invention discloses parking equipment, and in particular discloses mobile type multi-layer three-dimensional parking equipment which comprises a rack which is vertically arranged on a bearing surface, wherein the rack is internally provided with at least two parking spaces in parallel up and down; a bottom layer automobile platform translation mechanism and a bottom layer automobile platform are arranged in the parking space at the bottom layer; an upper layer lifting translation mechanism and an upper layer automobile platform are arranged in the parking space above the parking space on the bottom layer; the rack is put on the bearing surface through support legs at the bottom; a counterweight device is arranged on the rack on the side surface of the parking space on the bottom layer. As the parking equipment can be directly put on the bearing surface, and an original field is prevented from being damaged by construction, and can be recovered as the parking equipment can be rapidly disassembled after being used. By adopting the parking equipment, the trouble of short-term co-ordination of supply and demand which cannot be solved by the existing parking equipment is well solved; by additionally arranging the counterweight device on the rack on the side surface of the parking space on the bottom layer, the gravity center of the whole parking equipment is lowered, so that the parking equipment is firm and stable.

The invention relates to the technical field of elevator manufacturing, in particular to an integration device of a gantry crane and a top of a lift car, comprising a lift car, the gantry crane and a lift car door. The integration device is characterized in that a connecting piece is fixedly connected with the top of the lift car; the gantry crane is in rigid connection with the top of the lift car through the connecting piece; and the upper end of the lift car door is connected with the gantry crane, and hung on a pedal of a car platform of the lift car. The device is beneficial to improving the installation precision of the lift car door, reducing the vibration of the lift car door when the elevator runs, and has the advantages of convenient installation and adjustment and good use effect.

The invention discloses a reservation service car resource allocation and pricing method for online reserved cars on the basis of an auction mechanism. An online reserved car platform issues car use information, users submit reservation information to bid for cars, and the online reserved car platform summarizes the user reservation information. A correlation matrix is constructed according to theuser reservation information, a graph model of car resource allocation is constructed on the basis of the matrix, a car allocation scheme is figured out, and the payment price of each user is also figured out. A dynamic price mechanism is achieved through an auction mode, the car utilization rate and profit are increased, the car use demands of more users are met, and the car use cost of the users is reduced.

The invention discloses an information processing method and a gateway using the same. The method is suitable for the gateway, the gateway operates on an automobile platform; the method comprises the following steps that a first gateway transmits first class information to a driving system, and the first class information is used for controlling a driving system; and the driving system transmits second class information to the first gateway, and the second class information is used for feeding back a running system state. According to the method and the gateway, the first gateway and the driving system are used for mutually transmitting information, and independent controlling the braking, the steering, an accelerator and a gear shifting system under the driving system through the first gateway; and the method and the gateway can be used for automatic driving bottom layer control and research thereof, so that the cost is reduced, and the applicability is high.

The invention relates to parking equipment, in particular to movable multi-layer stereoscopic parking equipment. The movable multi-layer stereoscopic parking equipment comprises a rack. The rack is composed of side trusses erected on a bearing surface and cross beams fixed between the side trusses. A first car platform and a bottom layer lateral moving mechanism which is in transmission connection with the first car platform are arranged at the bottom in the rack. Each side truss comprises a rear stand column, a truss body and a front stand column which are sequentially and fixedly connected with one another in the move-out direction of cars. Cantilever beams are arranged on the front stand columns. A second car platform and a lifting lateral moving mechanism which is in transmission connection with the second car platform are mounted between the cantilever beams of the two adjacent front stand columns. A balancing weight device is arranged at the bottoms of the trusses and / or the cross beams. The parking equipment can be directly placed on the bearing surface, so that groundbreaking construction is not needed, an original site can not be destroyed, and the parking equipment can be quickly demounted and enable the original site to recover to the original appearance after use; the parking equipment well eliminates the contradiction that existing parking equipment can not achieve balance between supply and demand during a short period; since the balancing weight device is additionally arranged at the position, located at the side face of a parking space on the bottom layer, of the rack, the gravity center of the whole parking equipment is lowered, and the parking equipment is more stable and firm.

A power system of a road overhead parking device comprises a car platform, a hanging rope, a winding drum shaft, a worm gear, a worm, a winding drum, a left-right bearing, a guiding track, a support, a front-back bearing, a coupler and a servo motor. The servo motor is fixed on the support. The worm is connected with a servo motor shaft through the coupler. The worm is fixedly supported on the support through the front-back bearing. The worm gear and the worm are meshed. The worm gear is fixedly arranged on the winding drum shaft and drives the winding drum to rotate together, the winding drum shaft is supported on the support through the left-right bearing, the hanging rope is wound on the winding drum, the other end of the hanging rope is fixedly arranged on the car platform which is arranged on the guiding track and can move up and down on the guiding track, a parking platform is arranged above a road, saloon car safety is guaranteed, a road is not occupied, and using is very flexible.

The invention discloses an elevator with doors open on three sides, which comprises a traction machine, a steel wire rope, a machine room, a car frame, a car and a counterweight system. , the guide rail is set on the opposite corner of the car, and the counterweight system is set on the hoistway wall on the other side except for the three-sided door; the three-sided door of the car is equipped with a side-opening door system, and its switch is controlled by the control unit The door; there are indicator lights on the three sides of the door in the car. This design can meet the requirements of some buildings to open doors in multiple directions; multiple doors can be used to get on and off the elevator at the same time, and the elevator door that will be opened can be indicated, saving time and improving the operating efficiency of the elevator; the three side door systems are independent Control, you can choose to open the door or not to open the door according to the actual situation, which is more energy-saving and safe to use.