Combined guide frame for intelligent stairway and intelligent stairway

Abstract

This utility model discloses a combined guide frame for intelligent stairwell escalators and an intelligent stairwell escalator. The combined guide frame includes left and right guide rails, left and right racks, an upper guide rail mounting base, and a lower guide rail mounting base. The upper guide rail mounting base is formed by welding left and right irregular frames to both ends of an upper connecting plate, and the lower guide rail mounting base is formed by welding left and right irregular frames to both ends of a metal plate. The left and right guide rails are connected to the upper and lower guide rail mounting bases at both ends, respectively. The left and right racks are symmetrically installed on the left and right guide rails. This allows the combined guide frame to be directly installed in the stairwell and fixedly connected to it. The main unit of the combined guide frame and intelligent stairwell escalator is manufactured using sheet metal processing, which is simple, low-cost, easy to install, and has high processing precision. This ensures the installation accuracy of the racks, thereby ensuring the meshing accuracy of the gears and racks, and ultimately ensuring the safe operation of the main unit of the intelligent stairwell escalator. The intelligent staircase escalator assembled using the combined guide frame of this utility model can be widely used in existing staircases in urban communities, small houses in large residential buildings, high-end villas and self-built houses in urban and rural areas, and has broad market prospects.

Description

Technical Field

[0001] This utility model relates to an intelligent stairwell escalator, and more specifically, to a combined guide frame for an intelligent stairwell escalator and an intelligent stairwell escalator using the combined guide frame. Background Technology

[0002] Modern elevators can be divided into vertical elevators, escalators, and stairwell elevators. Vertical elevators and escalators are used in high-rise buildings and public places with high traffic, respectively. Stairwell elevators are installed in stairwells and can be divided into chairlifts and stairwell escalators. Stairwell elevators are used in low-rise buildings in urban and rural areas with fewer than 9 floors, including existing residential buildings in urban communities, small houses in large apartment complexes, villas, and self-built houses in rural areas.

[0003] Over a century ago, Americans invented vertical elevators and escalators, and in the 1970s, the British invented chairlifts. These inventions have been widely used around the world. With the accelerating aging of my country's population, the installation of stairwell elevators in existing buildings has received increasing attention. However, existing stairwell elevators are limited to curved and straight chairlifts. These types of chairlifts are slow, have long standby times, small capacity (limited to one person per seat, prohibiting carrying personal belongings), and small step sizes, lacking safety features for elderly users standing.

[0004] To address the aforementioned problems with existing stairwell elevators, the inventors of this application filed a patent application in September 2016 for "A Double Escalator with a Balancing Device" (ZL 201610823094.1). This patent has been granted, and a prototype escalator has been successfully developed. This escalator, installed in stairwells, can accommodate two people and offers advantages such as high carrying capacity, no obstruction of ventilation and lighting, maintaining stairwell accessibility, and ease of use. It can, to some extent, solve the problem of elderly people going up and down stairs in low-rise buildings in urban and rural areas. However, in actual use, the following drawbacks have been found:

[0005] 1. In mechanical transmission, the meshing precision of gears and racks is very high. However, in current technology, it is difficult to achieve the design precision in the machining and installation of guide rails, thus making it difficult to meet the meshing requirements of gears and racks. This may result in high noise and rapid wear in gear and rack transmissions, and even cause the main unit to slip or deviate, leading to safety accidents.

[0006] 2. Escalators are passenger-carrying devices used in narrow stairwells. To ensure the safe operation of the main unit and its function in avoiding danger to pedestrians, the various sensors on the main unit must have high installation accuracy. However, the main unit chassis in existing technology is a frame structure made of tubular material through processing and welding. The internal space of the main unit chassis is limited, making it impossible to integrate and install mechanical components and electronic components such as drive devices, transmission devices, controllers, and various sensors. In addition, the frame structure of the main unit chassis has a complex manufacturing process and is difficult to control in terms of precision. This makes it difficult to ensure the effective operation of various sensors, leaving potential safety hazards for the operation of the main unit.

[0007] 3. Existing technologies lack sufficient safety protection measures, which can easily lead to malfunctions and safety accidents. Specifically, in existing technologies, the limited space in the main unit chassis and the complex structure of mechanical safety devices make installation difficult; photoelectric reflection avoidance schemes cannot accurately control the reflection distance, leading to misjudgments; weight detection devices can only identify weight but cannot verify the user's qualifications; and the drive and transmission devices lack self-locking functions, making it easy for slippage or even station collisions to occur during the main unit's operation and avoidance of hazards.

[0008] Safety is of paramount importance for manned equipment. The aforementioned deficiencies in existing technology constitute a systemic problem and therefore require further improvement. Summary of the Invention

[0009] To address the shortcomings of existing technologies, the present invention aims to provide an integrated modular guide frame that is simple to manufacture, has high processing precision, low production cost, and is easy to install on-site, as well as an intelligent stairwell escalator using the modular guide frame.

[0010] To achieve the aforementioned objectives, this invention provides a combined guide frame for intelligent stairwell escalators. The intelligent stairwell escalator includes a main unit and a combined guide frame, with the main unit movably mounted on the combined guide frame. The combined guide frame includes two guide rails, two racks, an upper guide rail mounting seat, and a lower guide rail mounting seat. The upper guide rail mounting seat is formed by two upper irregularly shaped frames symmetrically welded to both ends of an upper connecting plate on the left and right sides. The lower guide rail mounting seat is formed by two lower irregularly shaped frames symmetrically welded to both ends of a lower flat plate on the left and right sides. The left and right guide rails are connected at both ends to the upper and lower guide rail mounting seats, and the racks are symmetrically mounted on the left and right guide rails. This structure facilitates installation; the combined guide frame simply needs to be erected in the stairwell and fixedly connected to it.

[0011] In the intelligent staircase of the present invention, the combined guide frame is manufactured using sheet metal processing techniques including laser cutting and CNC bending. Sheet metal processing is simple, low-cost, and highly precise, thus ensuring the installation accuracy of gears, racks, and various sensors, guaranteeing the safe operation of the main unit. Simultaneously, it enables standardized mass production, improving the efficiency of main unit installation and maintenance, reducing production costs, and saving on installation and maintenance expenses.

[0012] As a specific embodiment of the intelligent stairwell escalator of the present invention, the combined guide frame is an integrated structure manufactured by welding at the processing site. This integrated structure can be directly installed on site, reducing the amount of engineering work and making the installation work more convenient;

[0013] Alternatively, as another specific embodiment of the intelligent stairwell escalator of the present invention, the modular guide frame can be prefabricated into components at the processing site, and then assembled and fixed together at the installation site. This structural design is more flexible and can be easily adjusted or modified according to the specific conditions of the site.

[0014] Furthermore, in the intelligent stairwell escalator of the present invention, the aforementioned upper guide rail mounting base also includes a shaped frame box. Fitting the shaped frame box onto the upper guide rail mounting base can prevent debris from entering, is beneficial for pedestrian safety, and enhances the decorative effect of the escalator.

[0015] On the other hand, to achieve the purpose of this invention, this utility model also provides an intelligent escalator using the aforementioned combined guide frame. This intelligent escalator includes a main unit, which includes a main unit frame. The main unit frame further includes a main unit housing manufactured using sheet metal processes such as laser cutting and CNC bending. The main unit housing further includes a base plate, left and right side plates, and treads. The left and right side plates are symmetrically welded to the left and right ends of the base plate, forming an upward-opening groove-shaped box in cross-section. The treads cover the top of the main unit housing. This groove-shaped box structure can bear a large load, sufficient to meet the requirements of two people using it simultaneously, and provides maximum space for integrating the drive device, transmission device, and safety control system of the intelligent escalator.

[0016] In the intelligent staircase escalator of the present invention, the main frame further includes a main shaft, rollers, a positioning shaft, and a positioning bearing. Two main shafts are installed on the front and rear sides of the left and right side panels. The rollers are located at the outer ends of the main shafts and roll in cooperation with the guide rails to bear the total load of the main frame. The positioning shafts are installed on the outer sides of the left and right side panels, and the positioning bearings are located at the outer ends of the positioning shafts and cooperate with the guide rails, ensuring that the movement of the main frame on the guide rails remains stable.

[0017] In the intelligent staircase of the present invention described above, the main frame may further include handrails and automatic telescopic bars on both sides of the main frame. The handrails are equipped with control switches and electronic detection elements, and also include protective arms and seats mounted thereon, which provide reliable grip and support for passengers; the automatic telescopic bars are equipped with sensors at both ends for detecting whether there are people or obstacles in the staircase when the main unit is running.

[0018] Furthermore, the intelligent staircase escalator of the present invention also includes electrical equipment, a drive device, and a safety control system, wherein:

[0019] The electrical equipment includes an external power supply and / or an onboard battery and a power conversion switch, wherein the external power supply and the onboard battery are selected by the power conversion switch to provide working power to the host.

[0020] The drive unit is located in the main unit housing. The drive unit includes a drive motor, a worm gear reducer, a drive shaft, and a drive gear. The drive motor is connected to the rack and pinion transmission through the worm gear reducer, the drive shaft, and the drive gear, and is used to drive the main unit to run on the combined guide frame.

[0021] The safety control system comprises hardware and software. The hardware includes a physical controller, an access control device, an active avoidance device, an automatic avoidance device, a position detection device, a motor self-locking device, an off-machine detection device, an anti-collision device, and a prohibition detection device. The software refers to a set of logical instructions in binary code installed on the controller. The hardware provides the operating platform for the software, and the software controls the host machine by executing program instructions. Together, they constitute a complete and intelligent safety control system for stairwells and escalators, realizing the unique safe use and safety protection functions of stairwells and escalators.

[0022] The combined guide frame of the present invention and the intelligent stairwell escalator using the combined guide frame have at least the following advantages:

[0023] 1. The combined guide frame of the present invention is manufactured by sheet metal processing of laser cutting and CNC bending. The process is simple, the processing accuracy is high, and the cost is low. It can ensure that the left and right racks, main shaft, positioning shaft and drive shaft have high installation accuracy, so that the drive gear and rack can achieve good meshing, thereby ensuring the safe operation of the host.

[0024] 2. The modular guide frame of this invention facilitates on-site installation, especially for the installation and maintenance of the main unit. The integrated modular guide frame is installed by placing it on a staircase and securing it to the staircase using anchor bolts and guide rails. Furthermore, the modular guide frame has an installation opening for easy insertion of the main unit. This design significantly improves the efficiency of main unit installation and maintenance, saving on installation and maintenance costs.

[0025] 3. The main unit chassis of the present invention adopts a plate structure. The plate structure main unit chassis is made of sheet metal, which is simple, has high processing accuracy, and low cost. It can ensure that the various sensors installed in the main unit chassis have high installation accuracy, so as to ensure the safe operation of the main unit.

[0026] 4. The main unit chassis of this invention has an ingenious design and compact structure, serving as both a load-bearing platform and an installation platform. Within the confined space of the main unit chassis, onboard batteries, drive units, transmission devices, controllers, various sensors, and other mechanical and electronic components can be integrated and installed. These components are relatively independent yet interconnected, each fulfilling its respective function. Attached Figure Description

[0027] Figure 1 This is a three-dimensional view of the intelligent stairwell escalator in Embodiment 1 of this utility model;

[0028] Figure 2 This is a perspective view of a combined guide frame used in this utility model;

[0029] Figure 3 This is a perspective view of the upper guide rail mounting base in one embodiment of the present utility model;

[0030] Figure 4 This is a perspective view of the lower guide rail mounting base in one embodiment of the present invention;

[0031] Figure 5 This is an installation diagram of a combined guide frame according to one embodiment of the present invention;

[0032] Figure 6 This is a perspective view of the main unit chassis according to one embodiment of the present utility model;

[0033] Figure 7 This is a perspective view of the main frame in one embodiment of the present invention;

[0034] Figure 8 This is a schematic diagram of the main frame structure in one embodiment of the present invention;

[0035] Figure 9 This is a schematic diagram of the internal structure of the main unit chassis in one embodiment of the present invention;

[0036] Figure 10 This is a schematic diagram showing the distribution and coordination of the electrical control components of the safety control system in one embodiment of the present invention;

[0037] Figure 11 This is a schematic diagram of a protective door in one embodiment of the present invention;

[0038] Figure 12 This is a schematic diagram of the main structural relationships in one embodiment of the present invention.

[0039] In the diagram: 1. Modular guide frame; 11. Guide rail; 12. Rack; 13. Upper guide rail mounting base; 131. Upper irregular frame; 132. Upper connecting plate; 133. Irregular frame box; 14. Lower guide rail mounting base; 141. Lower irregular frame; 142. Lower flat plate; 15. Guide rail support; 161. Sensor A; 162. Sensor B; 17. Limit plate; 18. Stop; 2. Main frame; 20. Main unit box; 201. Base plate; 202. Left and right side plates; 202. Pedal; 203. Main shaft; 21. Roller; 211. Positioning shaft; 22. Positioning bearing; 221. Handrail; 24. Handrail rubber wheel; 241. Automatic telescopic rod; 25. Protective arm; 26. Protective door; 27. Seat; 29. ​​Electrical equipment; 3. External power supply; 31. Onboard battery; 35. Power conversion switch; 36. Drive device; 4. Drive motor; 41. Worm gear reducer; 42. Drive shaft; 43. Drive gear; 44. Safety control system; 5. Controller; 50. Card reader; 51. 52 Pushbutton switch; 54 Jog switch; 56 Proximity sensor; 571 Dangerous light sensor; 572 Off-board laser sensor; 573 Prohibitory laser sensor; 58 Limit switch or travel switch Detailed Implementation

[0040] Example 1

[0041] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, and specific technical details will be disclosed. However, those skilled in the art should understand that this utility model is not limited to these specific embodiments, but can be implemented through other embodiments and many similar improvements. Without departing from the spirit of this utility model, these improvements still fall within the protection scope claimed by this utility model.

[0042] like Figures 1 to 5 As shown, this embodiment is an automatic passenger lifting device installed in an existing stairwell, namely an intelligent stairwell escalator. The intelligent stairwell escalator includes a main unit and a combined guide frame 1. The main unit includes a main unit frame 2, electrical equipment 3, a drive device 4, and a safety system 5. The main unit frame 2 integrates the drive device 4 and the safety system 5. The main unit runs on the combined guide frame 1 driven by the drive device 4 and the safety system 5. The electrical equipment 3 provides power to the main unit. The above structural relationship of the intelligent stairwell escalator in this embodiment can be found in [reference needed]. Figure 12 .

[0043] The combined guide frame 1 of this embodiment includes two guide rails 11, two racks 12, an upper guide rail mounting seat 13, and a lower guide rail mounting seat 14. The upper guide rail mounting seat 13 is formed by two upper irregular frames 131, which are symmetrically welded to the two ends of the upper connecting plate 132. The lower guide rail mounting seat 14 is formed by two lower irregular frames 141, which are symmetrically welded to the two ends of the lower plate 142. The two ends of the left and right guide rails 11 are connected to the upper guide rail mounting seat 13 and the lower guide rail mounting seat 14, respectively. The racks 12 are symmetrically installed on the left and right guide rails 11. The combined guide frame 1 is erected in the corridor and fixedly connected to the corridor.

[0044] The modular guide frame 1 can be manufactured as a single unit in the factory through welding and then installed directly on site; alternatively, the modular guide frame 1 can be fabricated in a processing facility using sheet metal processing, and includes components such as guide rails, upper guide rail mounting bases, and lower guide rail mounting bases. These components are then assembled or welded together on site using high-strength bolts. Because the frame of the modular guide frame 1 is a symmetrical, integrated design, it can meet the meshing accuracy requirements of gear and rack transmissions. Since the slope and tread dimensions of stairs vary in different buildings, on-site assembly is generally adopted. During on-site assembly, firstly, the upper guide rail mounting base 13 and the lower guide rail mounting base 14 are placed on the floor slabs at the upper and lower ends of the staircase (upper exit of the stairwell) and the lower exit of the stairwell, respectively. Next, the upper and lower ends of the left and right guide rails 11 are connected to the left and right ends of the upper guide rail mounting base 13 and the lower guide rail mounting base 14, respectively, so that the left and right guide rails 11 form a symmetrical state and maintain the designed spacing. Then, the rack 12 is installed on the lower inner side of the left and right guide rails 11. In other embodiments, the rack 12 can also be installed on the upper inner side of the guide rails 11.

[0045] After adjusting the symmetry and spacing of the left and right racks 12, first fix the left and right guide rails 11 to the upper guide rail mounting base 13 and the lower guide rail mounting base 14 by screwing or welding. Then fix the upper guide rail mounting base 13 and the lower guide rail mounting base 14 to the floor slab at the upper and lower stair openings respectively using anchor bolts. To increase the load-bearing strength and stability of the combined guide frame 1, shims can be added to the gap between the guide rail 11 and the front edge of the stair tread, or guide rail supports 15 can be installed between the guide rail 11 and the tread (see...). Figure 5 );

[0046] The components of the modular guide frame 1 can be manufactured using sheet metal processes such as laser cutting, CNC bending, grinding, welding, and spraying. The rack 12 can be made from existing standard parts. To reduce weight, the guide rail 11 can also be made from aluminum alloy hot-extruded profiles. Aluminum alloy profiles have high dimensional accuracy, but are more expensive and require additional machining of mounting holes.

[0047] See Figure 2 , Figure 3The upper guide rail mounting base 13 also includes left and right irregular frame boxes 133. After the main unit is installed, the left and right irregular frame boxes 133 are respectively fitted into the left and right irregular frames 131 to form a semi-closed structure. Installing the left and right irregular frame boxes 133 is beneficial to protect pedestrian safety and enhance the decorative effect of the escalator.

[0048] The modular guide frame manufactured using sheet metal processing has the following advantages:

[0049] 1. The sheet metal process using laser cutting and CNC bending is simple, efficient and precise. It can not only achieve standardized mass production of guide rail mounting bases to reduce production costs, but also ensure the symmetrical installation accuracy and design spacing of the left and right racks 12, so that the gears and racks can achieve good meshing.

[0050] 2. The integrated design of the modular guide frame facilitates on-site installation, especially for the installation and maintenance of the main unit. During installation, the modular guide frame 1 is erected on the staircase and secured to it using anchor bolts and guide rail supports 15. Furthermore, the upper guide rail mounting base 13 has an installation port. During main unit installation, the main unit is inserted through the installation port, and then moved to the appropriate position using a jog switch 54. For maintenance, the main unit is simply removed from the installation port along the same path. This specialized design of the modular guide frame significantly improves installation efficiency and saves on installation and maintenance costs.

[0051] like Figure 6 -- Figure 8 As shown, the main frame 2 in this embodiment includes a main unit housing 20, two main shafts 21, rollers 211, left and right handrails 24, and left and right automatic telescopic rods 25. The main unit housing 20 includes a base plate 201, left and right side plates 202, and a pedal 203. The left and right side plates 202 are symmetrically welded to both ends of the base plate 201, forming an upwardly open groove-shaped housing. The pedal 203 covers the base plate 201 and is screwed to it. Multiple mounting holes are symmetrically provided on the left and right side plates 202. The two main shafts 21 are mounted on the front and rear sides of the left and right side plates 202 through the preset mounting holes. Each of the two main shafts 21 has a roller 211 at its outer end, which rolls in cooperation with the guide rail 11 to bear the total load of the main unit.

[0052] Furthermore, in other embodiments, the main frame 2 may also be equipped with optional positioning shaft 22 and positioning bearing 221; the positioning shaft 22 is installed on the outside of the left and right side plates 202 through preset mounting holes, and the positioning bearing 221 located at the outer end of the positioning shaft 22 rolls with the guide rail 11, so that the movement of the main frame 2 on the guide rail 11 remains more stable.

[0053] like Figure 7 , Figure 8As shown, the left and right handrails 24 are symmetrically installed on both sides of the main frame 2. The left and right handrails 24 include handrail wheels 241, protective arms 26, and seats 29. The handrails 24 and protective arms 26 provide reliable grip and support for the occupants, helping them maintain balance and stability during equipment operation. The handrail wheels 241 are installed on the wall-facing side of the left and right handrails 24 to maintain the distance between the handrails 24 and the wall, preventing the occupants' hands from being scratched by the wall. The protective arms 26 and seats 29 are horizontally hinged to the handrails 24, unfolding into a horizontal state for the convenience of elderly people and those with mobility impairments.

[0054] Furthermore, in other embodiments, a protective door 27 may be used instead of a protective arm 26. See [link to relevant documentation]. Figure 11 As shown, the safety door 27 is located below the handrail 24 and is hinged perpendicularly to the handrail 24. When in use, it unfolds into a vertical position to protect occupants. The safety door 27 is normally closed and is locked by a movable latch when closed. Figure 11 (Not shown), the protective door 27 is used to protect the safety of the occupants during the operation of the main unit. When the main unit completes its uplink task and stops at the upper stairwell, the protective door 27 prevents personnel from entering the stairwell. The protective door 27 can only be opened by pulling out the movable latch when the main unit stops at the lower stairwell base station, allowing occupants to enter the main unit or allowing personnel to pass freely. When using the protective door scheme, a call switch must be installed at the lower stairwell. The aforementioned protective arm 26 and protective door 27 can be selected, and the seat 29 is an optional component.

[0055] The left and right automatic telescopic rods 25 are symmetrically installed on the outside of the side plate 202 and can slide parallel to the slope of the stairs on the left and right side plates 202. When the main unit is running, the automatic telescopic rods 25 automatically extend forward to cooperate with the sensors installed on them to dynamically detect obstacles.

[0056] The main unit 20 and the left and right handrails 24 in this embodiment can be processed by sheet metal processes such as laser cutting, CNC bending, welding, and spraying. For convenient packaging and transportation, the left and right handrails 24 can be installed on the main unit 20 at the installation site using high-strength bolts.

[0057] The main unit chassis 20 of this utility model has the following advantages:

[0058] 1. The main unit chassis 20 adopts a plate-type structure, which is a significant improvement over the frame structure of the existing technology ZL 201610823094.1. The plate-type main unit chassis 20 is made of sheet metal through laser cutting and CNC bending. As mentioned earlier, the sheet metal process is simple, efficient, and precise, thus enabling the standardized mass production of the main unit chassis 20 in multiple specifications, thereby reducing production costs. In particular, the sheet metal process, through laser drilling, ensures high installation accuracy for the spindle 21, positioning shaft 22, drive shaft 43, and various sensors. This not only ensures good meshing of the drive gear 44 and rack 12 but also guarantees the effective operation of various sensors, ensuring the safe operation of the main unit.

[0059] 2. The main unit is ingeniously designed and has a compact structure. This slotted box serves as the main load-bearing structure and equipment base for the intelligent stairwell escalator. It can not only bear a large load, sufficient to meet the requirements of two people using it at the same time, but also provides maximum space for the integrated installation of the onboard battery, drive unit, transmission unit, controller, various sensors and other mechanical and electronic components of the intelligent stairwell escalator. The various components are relatively independent, interconnected and perform their respective functions.

[0060] like Figure 9 As shown, the electrical device 3 described in this embodiment includes an external power supply 31 and / or an onboard battery 35 and a power conversion switch 36. The external power supply 31 and the onboard battery 35 are selected by the power conversion switch 36 to provide working power to the host.

[0061] See Figure 9 In this embodiment, the drive device 4 is located in the main unit housing 20. The drive device 4 includes a drive motor 41, a worm gear reducer 42, a drive shaft 43, and a drive gear 44. The drive motor 41 is connected to the rack 12 through the worm gear reducer 42, the drive shaft 43, and the drive gear 44, and is used to drive the main unit to run on the combined guide frame 1.

[0062] The safety control system 5 described in this embodiment includes hardware and software. The hardware includes a physical controller 50, an access control device, an active avoidance device, an automatic avoidance device, a position detection device, a motor self-locking device, an off-machine detection device, an anti-collision device, and a prohibition detection device. The software refers to a set of logical instructions installed on the controller 50 and existing in binary code form. The hardware provides a running platform for the software, and the software controls the host machine by executing program instructions. The combination of the two constitutes a complete and intelligent safety control system 5 for the stairwell escalator, and realizes the unique safe use and safety protection functions of the stairwell escalator.

[0063] See Figure 9As shown, the controller 50 is located inside the main unit housing 20. The controller 50 can be a programmable logic controller (PLC) or a microcontroller; in this embodiment, a programmable logic controller is used. The controller 50 is connected to the electronic detection device of the safety control system 5 via its input modules; and through its output modules, it controls the output signals to achieve intelligent control of the main unit's operation and provide effective safety protection measures for occupants and pedestrians.

[0064] refer to Figure 7 , Figure 8 The access control device includes two card readers 51, one on the handrail 24 and the other on a wall or other fixed object near the top of the stairs (not shown in the figure). These readers work with ID cards or IC cards to restrict access for children under 12 years old, elderly people over 80 years old, or people with cognitive impairments. The card readers 51 function as access control; the controller 50 can only be powered on after access is confirmed by swiping a card. In some other embodiments, access can also be confirmed via fingerprint or facial recognition systems. In some home use scenarios, the card readers 51 can also be an optional component depending on customer requirements.

[0065] like Figure 7 , Figure 8 As shown, the active safety avoidance device includes a start switch 52 located on the handrail 24 and a call switch (not shown) located on the wall or fixed object at the top of the ladder. Pressing the start switch 52 keeps the main unit running, and releasing or pressing it again (with a locking switch) immediately stops the main unit. While the main unit is running, if the passenger notices a person or obstacle ahead, releasing or pressing the start switch 52 will automatically cut off the power to the main unit and stop it, thus achieving the active safety avoidance function. The main unit will automatically resume operation after a period of time after the obstacle is removed.

[0066] The call switch is used to summon the main unit to the upper entrance for standby. When the call switch is pressed, the main unit will be summoned to ascend. During the operation of the main unit, if the passenger discovers people or obstacles in front of the main unit, releasing or pressing the call switch again will cut off the power to the main unit and stop its operation, thus realizing the active risk avoidance function. The main unit will automatically resume operation after a period of time after the obstacle is removed.

[0067] The start switch 52 and the call switch have an interlock function. They do not accept each other's instructions before the current work task is completed, so as to prevent the safety risks caused by the operator's misoperation.

[0068] like Figure 10As shown, the automatic obstacle avoidance device includes an obstacle avoidance beam sensor 571. As previously described, the obstacle avoidance beam sensors 571 are installed in pairs at both ends of the left and right automatic telescopic poles 25, with their transmitters and receivers symmetrically installed on the left and right sides. During operation of the main unit, the automatic telescopic poles 25 automatically extend forward and detect the corridor through the obstacle avoidance beam sensors 571. If a person or obstacle is detected in front, the main unit will automatically cut off the power immediately to stop operation and realize the automatic obstacle avoidance function. After the obstacle is removed for a period of time, the main unit will automatically resume operation.

[0069] like Figure 8 , Figure 10 As shown, the position detection device includes a proximity sensor 56 mounted on the main unit and sensors A161 and B162 mounted on the guide rail 11 and cooperating with the proximity sensor 56. Sensor B162 is located at the upper and lower travel ends of the guide rail 11. When the main unit moves, the proximity sensor 56 approaches sensor A161 and sends a deceleration signal; when the proximity sensor 56 approaches sensor B162, it sends a stop signal. The controller 50 cuts off the power, and the main unit stops operating. The aforementioned position signals not only enable the main unit to automatically accelerate and decelerate and accurately stop, but also provide accurate position signals for the main unit's directional operation and automatic return to the base station.

[0070] refer to Figure 9 The motor self-locking device includes a drive motor 41 with an electromagnetic brake, a worm gear reducer 42, a drive shaft 43, and a drive gear 44. The drive motor 41 is connected to the drive shaft 43 via the worm gear reducer 42. The guide rail 11 of the intelligent staircase escalator is equipped with a rack 12, and the drive gear 44 meshes with the rack 12. The worm gear reducer transmission has a self-locking function. When the passenger actively cuts off the power, or the controller automatically cuts off the power, the main unit will self-lock and hover on the guide rail 11 without slipping, thereby realizing the functions of active or automatic risk avoidance, accurate stopping, and protection of pedestrian safety.

[0071] like Figure 8 , Figure 10 As shown, the off-board detection device includes an off-board beam sensor 572, with the transmitter and receiver of the off-board beam sensor 572 symmetrically installed inside the main unit's handrail 24. When the main unit reaches the upper ladder entrance, the off-board beam sensor 572 detects that personnel have safely disembarked and remained there for a certain period before automatically returning to the base station at the lower ladder entrance, preventing a safety accident caused by the main unit suddenly starting to return to the station.

[0072] like Figure 10As shown, the anti-overrun device includes a limit switch or travel switch 58 on the main unit and a limit plate 17 on the upper and lower travel ends of the guide rail 11. The contacts or rollers of the limit switch or travel switch 58 cooperate with the limit plate 17. When the proximity sensor 56 fails or the main unit exceeds the travel end, the limit switch or travel switch 58 touches the limit plate 17 to cut off the control circuit, so as to prevent the main unit from overrunning the station.

[0073] like Figure 10 As shown, the access control detection device includes an access control beam sensor 573. The transmitter and receiver of the access control beam sensor 573 are symmetrically installed on the left and right sides of the upper and lower stair entrances, respectively. When the access control beam sensor 573 detects an obstacle or person entering the upper or lower stair entrance, the main unit will cut off the power, stop operation, and block the stairwell. It will automatically resume operation after a period of time after the obstacle is removed.

[0074] This utility model's safety control system involves multiple technical fields, including mechanical technology, electronic technology, sensor technology, and computer technology. These technologies work together through the combined logic control program of the controller to form a complete and intelligent safety protection system. Its core technology is a set of logical instructions in binary code installed in the controller 50. The host computer executes these program instructions to achieve the aforementioned functions, which is the most significant feature distinguishing this utility model from existing technologies.

[0075] This utility model's safety control system is simple to operate, highly intelligent, and features comprehensive, multi-functional, and multi-layered capabilities. It not only enables automatic control of the entire main unit's operation but also provides safety protection functions such as access control for stairwells and escalators, active hazard avoidance, automatic hazard avoidance, accurate stopping, automatic return to the base station, main unit self-locking and hovering, safe personnel exit, prevention of overcrowding, and stairwell closure. This utility model's safety control system incorporates multiple safety defenses; even if one defense fails, other electronic control devices can still ensure the safe operation of the main unit and provide effective safety protection for passengers and pedestrians, thus exhibiting high reliability.

Claims

1. A combined guide frame for an intelligent stairway escalator, characterized in that, The combined guide frame of the intelligent stairwell escalator includes two guide rails, two racks, an upper guide rail mounting base, and a lower guide rail mounting base. The upper guide rail mounting base is formed by two upper irregular frames symmetrically welded to both ends of an upper connecting plate on the left and right. The lower guide rail mounting base is formed by two lower irregular frames symmetrically welded to both ends of a lower flat plate on the left and right. The left and right guide rails are connected to the upper and lower guide rail mounting bases at both ends. The racks are symmetrically installed on the left and right guide rails. The combined guide frame is erected in the stairwell and fixedly connected to the stairwell.

2. The modular guide frame of claim 1, wherein, The combined guide frame is an integral structure manufactured using sheet metal processing at the processing site; Alternatively, the modular guide frame can be fabricated into components using sheet metal processing at the processing site, and then assembled and connected together at the installation site.

3. The modular guide frame of claim 2, wherein, The upper guide rail mounting base also includes a special-shaped frame box that is fitted onto the upper special-shaped frame.

4. An intelligent hallway escalator, characterized in that The intelligent stairwell escalator adopts the combined guide frame as described in any one of claims 1-3; the intelligent stairwell escalator also includes a main unit, and the main unit further includes a main unit frame, which is movably mounted on the combined guide frame.

5. The intelligent stairway of claim 4, wherein, The main frame includes a main chassis manufactured using sheet metal processing. The main chassis further includes a base plate, left and right side plates, and a foot pedal. The left and right side plates are symmetrically welded to the left and right ends of the base plate, making its cross-section a groove-shaped box with an upward opening. The foot pedal covers the top of the main chassis.

6. The intelligent stairway of claim 5, wherein, The main frame further includes a main shaft and rollers; there are two main shafts and they are installed on the front and rear sides of the left and right side plates, and the rollers are located at the outer ends of the main shafts and roll in cooperation with the left and right guide rails, so that the movement of the main frame on the guide rails can remain stable.

7. The intelligent stairway of claim 6, wherein, The main frame also includes handrails and automatic telescopic rods on both sides of the main unit box. The handrails are equipped with control switches and electronic detection elements, and the automatic telescopic rods are equipped with sensors at both ends.

8. The intelligent stairway of claim 7, wherein, The main unit of the intelligent stairwell escalator also includes electrical equipment; the electrical equipment includes an external power supply and / or an onboard battery and a power conversion switch, wherein the external power supply and the onboard battery provide working power to the main unit through the power conversion switch.

9. The intelligent stairway of claim 8, wherein, The main unit of the intelligent stairwell escalator also includes a drive device; the drive device is located in the main unit housing, and the drive device includes a drive motor, a worm gear reducer, a drive shaft, and a drive gear; the drive motor is connected to the rack and pinion transmission through the worm gear reducer, the drive shaft, and the drive gear, and is used to drive the main unit to run on the combined guide frame.

10. The intelligent stairway of claim 9, wherein, The main unit of the intelligent stairwell escalator further includes a safety control system; the safety control system includes hardware and software. The hardware includes a physical controller, an access control device, an active avoidance device, an automatic avoidance device, a position detection device, a motor self-locking device, an off-machine detection device, an anti-collision device, and a prohibition detection device; the software refers to a set of logical instructions installed on the controller and existing in binary code form. The hardware provides a running platform for the software, and the software controls the operation of the main unit by executing program instructions. The combination of the two constitutes a complete and intelligent safety control system for the stairwell escalator, and realizes the unique safe use and safety protection functions of the stairwell escalator.

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