Segmented relay type single-rail multifunctional stair climbing device suitable for old people

Abstract

The segmented relay type single-rail multifunctional stair climbing device comprises a main rail, an auxiliary rail, a sliding table, a counterweight, a power device, an electric control system and an accessory, the auxiliary rail is arranged at the upper end of the main rail, the included angle between the auxiliary rail and the main rail is 145 degrees, the auxiliary rail is horizontally arranged relative to the ground, and the auxiliary rail is connected with the main rail. The main rail and the auxiliary rail are connected with the home-entry platform through expansion foundation bolts, the sliding table abuts against the outer side of the main rail, the sliding table vertically moves along the main rail, and the counterweight is arranged at the top of the main rail and moves vertically. The utility model belongs to the technical field of conveying machinery, and particularly provides an elevator which integrates the advantages of a pedal type elevator and a seat type elevator, is additionally provided with a cargo carrying function, is low in engineering cost and low in power-saving operation cost, integrates a step ladder and an elevator, and is convenient to transport. The space width of a traditional step ladder is reserved and increased to the maximum extent, and the segmented relay type single-rail multifunctional stair climbing device suitable for the old people is provided.

Description

Technical Field

[0001] The utility model belongs to the technical field of conveying machinery, and specifically refers to a segmented relay type single-rail multifunctional stair climbing device suitable for the elderly. Background Art

[0002] In the current transportation machinery and elevator industries, vertical lift elevators and crawler escalators are widely used. Although famous brand products are of high quality, they are not suitable for large-scale use in ordinary old multi-story residential buildings due to various reasons such as high prices. The existing old multi-story residential buildings are equipped with elevators of pedal type, chair type and stair climbing machines.

[0003] The pedal elevator can be used by one person to stand comfortably and can turn, so a special running track needs to be set up. It adopts a steel cable traction drive, which leads to a high installation cost. However, it can only be used by one person and cannot have a seat, so its application is subject to certain restrictions. The seat-type electric chair replaces the pedal with a seat, but it takes up a large space and has a certain impact on the traditional step ladder. In order to avoid the trouble and inconvenience of frequent transfers, it is a great advantage to be able to turn by itself at the rest platform in the middle. However, due to its complex structure, the cost is relatively high. The stair climbing machine is expensive and needs to be operated by family members or volunteers when in use. It should also undergo certain technical training to ensure safe use. Therefore, there is an urgent need for a new type of segmented relay monorail multifunctional stair climbing artifact suitable for the elderly to solve the above problems. Utility Model Content

[0004] In order to solve the above-mentioned existing problems, the utility model provides a kind of segmented relay monorail multifunctional stair climbing device suitable for the elderly, which combines the respective advantages of pedal elevators and chair elevators, and adds the function of carrying goods, has low engineering cost, saves electricity and has low operating cost, takes into account both staircases and elevators, and maximizes the spatial width of traditional staircases, thereby maximally retaining and increasing the spatial width of traditional staircases.

[0005] The technical solution adopted by the utility model is as follows: the utility model is suitable for a segmented relay monorail multifunctional stair climbing device for the elderly, including a main rail, a secondary rail, a slide, a counterweight, a power device, an electric control system and accessories, the secondary rail is arranged at the upper end of the main rail, the angle between the secondary rail and the main rail is 145°, the secondary rail is arranged horizontally with the ground, the main rail and the secondary rail are connected to the entrance platform by expansion anchor bolts, the slide is close to the outside of the main rail, the slide is upright and moves up and down along the main rail, the counterweight is arranged at the top of the main rail and moves up and down, the movement of the counterweight and the slide is synchronized but in opposite directions, the power device is arranged in the secondary rail, the power device adopts a vertical small AC single-phase gear reduction motor with a flange, the electric control system includes upper and lower sets of control boxes and upper and lower sets of control boxes, the two sets of control boxes and the two sets of control boxes are respectively arranged at the upper and lower entrances and exits of the elevator and next to the power device, the accessories are arranged above the slide, and the accessories are connected to the slide to form a carrier that can be used as a human body and goods.

[0006] Furthermore, a sprocket chain transmission pair is provided in the belly cavity of the main rail, and the sprocket chain transmission pair includes a driving sprocket and a driving chain. The upper and lower halves of the driving chain are respectively connected to the counterweight and the slide, forming a pulley balancing system. The counterweight can prevent the slide from slipping and bottoming out, reduce the power consumption of the motor and ensure the safety and reliability when using the elevator.

[0007] Furthermore, the accessories include a base plate, a pedal, a seat, a connecting plate, an armrest and a bistable tension spring, the base plate is fixed above the slide, the pedal is located at the bottom of the base plate, the seat is located in the middle of the base plate, the armrests are arranged on both sides of the seat, the connecting plate is arranged in the main rail, and the bistable tension spring is arranged on the pedal hinge.

[0008] The base plate has flanges on both sides, which facilitate the installation of pedals, seats, and armrests. The base plate and pedals are made of steel plates. The seat surface is covered with a soft non-slip seat cushion. A tubular armrest is installed on the top of the base plate. A plug is provided in the screw hole in the middle of the base plate. The plug is used to connect the slide and the drive chain. The head shaft neck is inserted into the inner chain plate hole of the drive chain. The base plate is made of hot-rolled steel plates.

[0009] Furthermore, a reinforcing plate is welded on the front of the connecting plate, which enhances the local strength of the bottom plate. Casters are provided below the reinforcing plate. The casters extend into the main rail and are close to the drive chain and are located at the bottom of the main rail close to the waist and abdomen. The casters are integral nylon-coated casters with the characteristics of wear resistance and silence.

[0010] A slider is provided for sliding in the belly of the main rail, and a bearing is installed on the surface of the slider. The bearing plays a positioning role in multiple directions. A long groove is opened on the belly wall of the main rail, and the connecting plate passes through the long groove and is connected to the slider. The slide is connected to the connecting plate and the slider in the main rail, and the connecting plate adopts a cast steel structure.

[0011] The slider includes a base, a bearing 1 and a bearing 2. The base is connected to a connecting plate via a hexagonal bolt. The bearing 1 determines the horizontal positioning of the base, and the bearing 2 determines the vertical positioning of the base.

[0012] Furthermore, a main shaft is provided at the upper end of the main rail, two identical bearing seats are provided on both sides of the main rail belly wall, the main shaft bearing is embedded in the inner hole of the bearing seat, the main shaft is arranged between the two bearing seats, and a driving sprocket and an input sprocket are provided at both ends of the main shaft respectively.

[0013] A secondary shaft and a driven sprocket are arranged at the lower end of the main rail, and the secondary shaft and the driven sprocket are fixed in the long groove of the main rail belly wall by means of a hexagonal nut, and the driven sprocket is installed on the secondary shaft.

[0014] An angle bracket is welded at the lower end of the main rail, and the angle bracket is installed with chain length adjustment bolts and expansion anchor bolts. The slope of the main rail between the surface of the stairs and the ground platform is 35 degrees, and the angle bracket is spliced ​​with three steel plates.

[0015] Furthermore, a reinforcing beam is welded on one side of the main rail, and the main rail and the reinforcing beam are welded to form a composite main rail, and a closed cavity is formed. The main rail is made of I-beam, and the reinforcing beam is made of channel steel. The secondary rail and the reinforcing beam form a closed cavity, namely, a slideway.

[0016] Furthermore, a long axis is provided through the hinge center of the seat, two positioning plates are welded on both sides of the seat, a slide plate is provided at the tail of the positioning plate, a half-axis one is riveted on the positioning plate, a half-axis two is riveted on the side of the slide plate, both ends of the bistable tension spring are respectively connected to half-axis one and half-axis two, a support foot is fixed to one end of the seat armrest, the other end of the seat armrest is movably connected to the fulcrums on both sides of the slide plate, the other end of the support foot is movably connected to the fulcrums on both sides of the seat, the seat armrest and the support foot are made of cold-rolled steel plates, bent into a U shape, and have high mechanical strength.

[0017] Furthermore, the counterweight is a solid rectangular block made of cast iron, the counterweight is provided with rolling casters, the rolling casters are provided with anti-falling locking devices, the weight of the counterweight is greater than the weight of the slide assembly, a counterweight slider is provided on one side below the middle part of the counterweight, the counterweight and the drive chain are connected through a plug, the plug head shaft neck is inserted into the chain plate hole in the drive chain, the counterweight slider also has a locking function for the counterweight, a reference plane is milled at the lower part of both sides of the counterweight, brackets are provided on the front and rear sides of the counterweight, a core shaft is provided in the bracket, and a compression spring is provided on the outer side of the core shaft.

[0018] The beneficial effects achieved by the utility model using the above structure are as follows:

[0019] 1. The basic structure and original state of the existing buildings and corridors will not be destroyed or changed, and there is no need to make major reconstructions on the stairs. During construction, there will be less damage to the building and less interference to the owners, the construction period will be short, and the cost will be low.

[0020] 2. It not only retains the traditional classic staircase function, but also opens up a novel elevator function to meet the needs and habits of people of different ages and physical abilities.

[0021] 3. It adopts multiple modes such as pedal type and seat type, and can also transport goods at the same time. The pedals and seats can be flipped up and folded into a small size, occupying a small space on the stairs.

[0022] 4. The sprocket chain transmission pair drives the slide and the counterweight to move in opposite directions at the same time, forming a pulley system similar to a crawler conveyor mechanism, which cleverly realizes the automatic conversion between potential energy and kinetic energy, achieving the purpose of labor saving and energy saving, and is green, low-carbon and environmentally friendly.

[0023] 5. It adopts a segmented relay transportation mode, which is flexible and maneuverable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the segmented relay monorail multifunctional stair climbing device suitable for the elderly proposed in this scheme;

[0025] Figure 2 This is the main track structure diagram of this scheme;

[0026] Figure 3 This is a schematic diagram of the auxiliary track structure of this scheme;

[0027] Figure 4 This is a schematic diagram of the angle support structure of this solution;

[0028] Figure 5 This is a schematic diagram of the slider structure of this solution;

[0029] Figure 6This is a schematic diagram of the built-in slider structure of the main rail slideway of this solution;

[0030] Figure 7 This is a schematic diagram of the connection plate structure of this solution;

[0031] Figure 8 This is a schematic diagram of the base plate structure of this scheme;

[0032] Fig. 9 This is a schematic diagram of the caster structure of this solution;

[0033] Fig.10 This is a schematic diagram of the slide structure of this scheme;

[0034] Fig.11 This is a schematic diagram of the structure of the automatic resetting and locking device of the seat of this solution;

[0035] Fig.12 This is a schematic diagram of the tubular handrail structure of this scheme;

[0036] Fig.13 This is a schematic diagram of the foldable seat armrest structure of this solution;

[0037] Fig.14 This is a schematic diagram of the counterweight structure of this scheme;

[0038] Fig.15 This is the electrical control schematic diagram of this solution.

[0039] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the attached drawings: 1. main rail, 2. auxiliary rail, 3. slide, 4. counterweight, 5. power unit, 6. electronic control system, 7. accessories, 8. drive sprocket, 9. drive chain, 10. bottom plate, 11. pedal, 12. seat, 13. connecting plate, 14. armrest, 15. bistable tension spring, 16. soft non-slip seat cushion, 17. tubular armrest, 19. reinforcement plate, 20. caster, 21. slider, 23. base, 24. bearing one, 25. bearing two, 26. main shaft, 31. secondary shaft, 32. driven sprocket, 33. angle bracket, 34. reinforcement beam, 35. long shaft, 36. positioning plate, 37. skateboard, 38. half shaft one, 39. half shaft two, 40. support foot, 41. rolling caster, 42. counterweight slider, 43. bracket, 44. core shaft, 45. compression spring. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0041] like Figure 1 to Figure 15 As shown, the multifunctional stair climbing device for the elderly using a segmented relay monorail is provided in the present invention, and comprises a main rail 1, an auxiliary rail 2, a slide 3, a counterweight 4, a power device 5, an electric control system 6 and an accessory 7. The auxiliary rail 2 is arranged at the upper end of the main rail 1, and the angle between the auxiliary rail 2 and the main rail 1 is 145°. The auxiliary rail 2 is arranged horizontally with the ground. The main rail 1 and the auxiliary rail 2 are connected to the entry platform by expansion anchor bolts. The slide 3 is close to the outer side of the main rail 1, and the slide 3 moves up and down along the main rail 1 in an upright state. The counterweight 4 It is arranged on the top of the main rail 1 and moves up and down, the counterweight 4 keeps synchronization with the movement of the slide 3 but in opposite directions, the power device 5 is arranged in the auxiliary rail 2, the power device 5 adopts a vertical small AC single-phase gear reduction motor with a flange for installation, the electronic control system 6 includes two sets of upper and lower control boxes and two sets of upper and lower control boxes, the two sets of control boxes and the two sets of control boxes are respectively arranged at the upper and lower entrances and exits of the elevator and beside the power device 5, the accessory 7 is arranged above the slide 3, and the accessory 7 is connected to the slide 3 to form a carrier that can be used as a human body and goods.

[0042] A set of sprocket chain transmission pairs is arranged in the belly cavity of the main rail 1, and the sprocket chain transmission pairs include a driving sprocket 8 and a driving chain 9. The upper and lower halves of the driving chain 9 are respectively connected to the counterweight 4 and the slide 3, forming a pulley balancing system. The counterweight 4 can prevent the slide 3 from slipping and hitting the bottom, reduce the power consumption of the motor and ensure the safety and reliability when using the elevator.

[0043] The accessory 7 includes a base plate 10, a pedal 11, a seat 12, a connecting plate 13, an armrest 14 and a bistable tension spring 15. The base plate 10 is fixed above the slide 3, the pedal 11 is located at the bottom of the base plate 10, the seat 12 is located in the middle of the base plate 10, the armrest 14 is arranged on both sides of the seat 12, the connecting plate 13 is arranged in the main rail 1, and the bistable tension spring 15 is arranged on the hinge of the pedal 11.

[0044] The base plate 10 has flanges on both sides, which facilitate the installation of pedals 11, seats 12, and armrests 14. The base plate 10 and pedals 11 are made of steel plates. The surface of the seat 12 is covered with a soft non-slip seat cushion 16. A tubular armrest 17 is installed on the top of the base plate 10. A plug is provided in the screw hole in the middle of the base plate 10. The plug is used to connect the slide 3 and the drive chain 9. The head journal is inserted into the inner chain plate hole of the drive chain 9. The base plate 10 is made of hot-rolled steel plates.

[0045] A reinforcing plate 19 is welded to the front of the connecting plate 13, and the reinforcing plate 19 enhances the local strength of the bottom plate 10. A caster 20 is provided below the reinforcing plate 19, and the caster 20 extends into the main rail 1 and is close to the driving chain 9 and is located at the bottom of the main rail 1 close to the waist and abdomen. The caster 20 is an integral nylon-wrapped caster 20, which has the characteristics of wear resistance and quietness.

[0046] The main rail 1 is provided with a slider 21 for sliding in the abdominal cavity, the abdominal wall of the main rail 1 is provided with a long groove, the connecting plate 13 passes through the long groove and is connected to the slider 21, the slide 3 is connected to the connecting plate 13 and the slider 21 in the main rail 1, and the connecting plate 13 adopts a cast steel structure.

[0047] The slider 21 includes a base 23, a bearing 1 24 and a bearing 25. The base 23 is connected to the connecting plate 13 via a hexagonal bolt. The bearing 1 24 determines the horizontal positioning of the base 23, and the bearing 2 25 determines the vertical positioning of the base 23.

[0048] A main shaft 26 is provided at the upper end of the main rail 1, and two identical bearing seats are provided on both sides of the belly wall of the main rail 1. The main shaft 26 bearing is embedded in the inner hole of the bearing seat. The main shaft 26 is arranged between the two bearing seats, and a driving sprocket and an input sprocket are provided at both ends of the main shaft 26 respectively.

[0049] The lower end of the main rail 1 is provided with a secondary shaft 31 and a driven sprocket 32 ​​, which are fixed in the long groove of the belly wall of the main rail 1 by hexagonal nuts, and the driven sprocket is installed on the secondary shaft 31 .

[0050] An angle bracket 33 is welded at the lower end of the main rail 1, and the angle bracket 33 is installed with chain length adjustment bolts and expansion anchor bolts. The slope of the main rail 1 between the surface of the stairs and the ground platform is 35°, and the angle bracket 33 is spliced ​​with three steel plates.

[0051] A reinforcing beam 34 is welded to one side of the main rail 1. The main rail 1 and the reinforcing beam 34 are welded to form a composite main rail 1, and a closed cavity is formed. The main rail 1 is made of I-beam, and the reinforcing beam 34 is made of channel steel. The secondary rail 2 and the reinforcing beam 34 form a closed cavity, that is, a slideway.

[0052] A long shaft 35 runs through the hinge center of the seat 12. Two positioning plates 36 are welded on both sides of the seat 12. A slide plate 37 is provided at the tail of the positioning plate 36. A half shaft one 38 is riveted on the positioning plate 36. A half shaft two 39 is riveted on the side of the slide plate 37. Both ends of the bistable tension spring 15 are respectively connected to the half shaft one 38 and the half shaft two 39. One end of the armrest 14 of the seat 12 is fixedly provided with a support leg 40. The other end of the armrest 14 of the seat 12 is movably connected to the fulcrums on both sides of the slide plate 37. The other end of the support leg 40 is movably connected to the fulcrums on both sides of the seat 12. The armrest 14 and the support leg 40 of the seat 12 are both made of cold-rolled steel plates and bent into a U shape, having relatively high mechanical strength.

[0053] The counterweight 4 is a solid cuboid made of cast iron. The counterweight 4 is provided with rolling casters 41. The rolling casters 41 are provided with anti-drop locking devices. The weight of the counterweight 4 is greater than the weight of the slide table 3 assembly. One side below the middle of the counterweight 4 is provided with a counterweight slider 21. The counterweight 4 is connected to the drive chain 9 through a bolt. The shaft neck of the bolt head is inserted into the inner link plate hole of the drive chain 9. The counterweight slider 21 also has the function of locking the counterweight. Reference planes are milled on the lower parts of both sides of the counterweight 4. Brackets 43 are provided on both the front and rear sides of the counterweight 4. A core shaft 44 is provided inside the brackets 43. A compression spring 45 is sleeved outside the core shaft 44.

[0054] During specific use, the push button switch SB1 is an up button, the push button switch SB2 is a down button, and the push button switch SB3 is a stop button. One SB1, SB2, and SB3 is installed at each of the upper and lower end inlets and outlets of the elevator. The travel switch SQ1 is an up switch, and the travel switch SQ2 is a down switch. SQ1 and SQ2 are used for automatic parking when the elevator runs up and down to the ultimate position, and are installed above both ends of the main rail 1.

[0055] When the slide table 3 runs to the extreme positions at the upper and lower ends of the main rail 1, it will automatically stop by triggering the travel switch. A buffer spring is also provided below the main rail 1 to prevent damage to the machine parts due to impact. The electrical control box is specifically used for installing electrical components such as AC contactors and can be installed at an appropriate position near the motor. The reduction box and the sprocket chain transmission pair of the power device 5 should be regularly cleaned and lubricated, which can ensure the normal operation of the machine parts and extend the service life of the equipment. The regular maintenance of the elevator should be carried out by specialized professionals, and unauthorized disassembly and movement are not allowed.

[0056] The hinge center, half-axle 1 38 and half-axle 2 39 of the seat 12 form a force-enclosed area. In addition to the deadweight of the seat 12, the tension of the spring is added to enable the seat 12 to maintain a relatively good stable state. When the seat 12 is no longer in use, the seat 12 can be lifted up. When lifted up to an angle of 45 degrees, the hinge center, half-axle 1 38 and half-axle 2 39 of the seat 12 are connected in a straight line, and the bistable tension spring 15 is stretched to its longest length and is in an unstable state. When the seat 12 exceeds the middle balance point of the 45-degree angle, the seat 12 will automatically convert to a vertical state by relying on the tension of the spring, that is, the half-axle on the positioning plate 36 moves from half-axle 1 38 to half-axle 2 39 and can be automatically locked. The automatic reset and locking structures of the pedal 11 and the seat 12 are exactly the same. The mechanical bistable spring automatic reset and locking structure has the characteristics of simple structure, low cost, durability, and reliable operation.

[0057] When the seat 12 is in a horizontal state, the tail of the positioning plate 36 is in contact with the large plane of the slide plate 37, so it can achieve self-positioning and have a large load-bearing capacity. When the pedal 11 and the seat 12 are not in use, they are set in a vertical state and are invisible in the slide plate 37. The seat 12 is flipped up to a vertical state, and the armrests 14 and the support legs 40 on both sides of the seat 12 will automatically fold into the space on both sides of the seat 12.

[0058] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional stair climbing device with segmented relay monorail suitable for the elderly, characterized by: It includes a main rail, a secondary rail, a slide, a counterweight, a power unit, an electronic control system and accessories. The secondary rail is arranged at the upper end of the main rail. The angle between the secondary rail and the main rail is 145°. The secondary rail is arranged horizontally with the ground. The main rail and the secondary rail are connected to the entrance platform with expansion anchor bolts. The slide is close to the outer side of the main rail. The slide is upright and moves up and down along the main rail. The counterweight is arranged at the top of the main rail and moves up and down. The movement of the counterweight and the slide is synchronized but in opposite directions. The power unit is arranged in the secondary rail. The power unit adopts a vertical small AC single-phase gear reduction motor with a flange. The electronic control system includes two sets of upper and lower control boxes and two sets of upper and lower control boxes. The two sets of control boxes and two sets of control boxes are respectively arranged at the upper and lower entrances and exits of the elevator and next to the power unit. The accessories are arranged above the slide.

2. According to claim 1, a multifunctional stair climbing device for the elderly using a segmented relay monorail is characterized by: A set of sprocket chain transmission pairs is arranged in the belly cavity of the main rail, and the sprocket chain transmission pairs include a driving sprocket and a driving chain. The upper and lower halves of the driving chain are respectively connected to the counterweight and the slide table to form a pulley balancing system.

3. According to claim 2, a multifunctional stair climbing device for the elderly using a segmented relay monorail is characterized by: The accessory comprises a base plate, a pedal, a seat, a connecting plate, an armrest and a bistable tension spring, wherein the base plate is fixedly arranged above the slide, the pedal is located at the bottom of the base plate, the seat is located in the middle of the base plate, the armrest is arranged on both sides of the seat, the connecting plate is arranged in the main rail, and the bistable tension spring is arranged at the pedal hinge; The base plate has flanges on both sides, which facilitate the installation of pedals, seats, and armrests. The base plate and pedals are made of steel plates. The seat surface is covered with a soft non-slip seat cushion. A tubular armrest is installed on the top of the base plate. A plug is provided in the screw hole in the middle of the base plate. The plug is used to connect the slide and the drive chain. The head shaft neck is inserted into the inner chain plate hole of the drive chain. The base plate is made of hot-rolled steel plates.

4. According to claim 3, a multifunctional stair climbing device for the elderly using a segmented relay monorail is characterized in that: A reinforcing plate is welded at the front of the connecting plate to enhance the local strength of the bottom plate. A caster is provided below the reinforcing plate. The caster extends into the main rail and is close to the drive chain and is located at the bottom of the main rail close to the waist and abdomen. The caster adopts an integral nylon-wrapped caster; A slider is slidably arranged in the belly of the main rail, and a bearing is installed on the surface of the slider, which plays a positioning role in multiple directions. A long groove is opened on the belly wall of the main rail, and the connecting plate passes through the long groove and is connected to the slider. The slide is connected to the connecting plate and the slider in the main rail, and the connecting plate adopts a cast steel structure; The slider includes a base, a bearing 1 and a bearing 2. The base is connected to a connecting plate via a hexagonal bolt. The bearing 1 determines the horizontal positioning of the base, and the bearing 2 determines the vertical positioning of the base.

5. According to claim 4, a multifunctional stair climbing device for the elderly using a segmented relay monorail is characterized in that: A main shaft is provided at the upper end of the main rail, two identical bearing seats are provided on both sides of the main rail belly wall, a main shaft bearing is embedded in the inner hole of the bearing seat, the main shaft is arranged between the two bearing seats, and a driving sprocket and an input sprocket are provided at both ends of the main shaft respectively; A secondary shaft and a driven sprocket are provided at the lower end of the main rail, and the secondary shaft and the driven sprocket are fixed in the long groove of the main rail belly wall by hexagonal nuts, and the driven sprocket is installed on the secondary shaft; An angle bracket is welded at the lower end of the main rail, and the angle bracket is installed with chain length adjustment bolts and expansion anchor bolts. The slope of the main rail between the surface of the stairs and the ground platform is 35°, and the angle bracket is spliced ​​with three steel plates.

6. The multifunctional stair climbing device for the elderly using a segmented relay monorail according to claim 5 is characterized by: A reinforcing beam is welded on one side of the main rail, and the main rail and the reinforcing beam are welded to form a composite main rail, and a closed cavity is formed. The main rail is made of I-beam, and the reinforcing beam is made of channel steel. The secondary rail and the reinforcing beam form a closed cavity, that is, a slideway.

7. The multifunctional stair climbing device for the elderly using a segmented relay monorail according to claim 6 is characterized by: A long axis passes through the hinge center of the seat, two positioning plates are welded on both sides of the seat, a slide plate is provided at the tail end of the positioning plate, a half-axis one is riveted on the positioning plate, a half-axis two is riveted on the side of the slide plate, both ends of the bistable tension spring are respectively connected with half-axis one and half-axis two, a support foot is fixed at one end of the seat armrest, the other end of the seat armrest is movably connected to the fulcrums on both sides of the slide plate, the other end of the support foot is movably connected to the fulcrums on both sides of the seat, the seat armrest and the support foot are made of cold-rolled steel plates and bent into a U shape.

8. The multifunctional stair climbing device for the elderly using a segmented relay monorail according to claim 7 is characterized in that: The counterweight is a solid rectangular block made of cast iron. The counterweight is provided with rolling casters. The rolling casters are provided with anti-falling locking devices. The weight of the counterweight is greater than the weight of the slide assembly. A counterweight slider is provided on one side below the middle of the counterweight. A reference plane is milled out at the lower part of both sides of the counterweight. Brackets are provided on the front and rear sides of the counterweight. A core shaft is provided in the bracket, and a compression spring is provided on the outer side of the core shaft.

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