CN106672752B

CN106672752B - Corridor chair elevator

Info

Publication number: CN106672752B
Application number: CN201710221533.6A
Authority: CN
Inventors: 吴慧勇
Original assignee: Hebei Zhide Corridor Elevator Sale Co ltd
Current assignee: Hebei Zhide Corridor Elevator Sale Co ltd
Priority date: 2017-04-06
Filing date: 2017-04-06
Publication date: 2022-04-26
Anticipated expiration: 2037-04-06
Also published as: CN106672752A

Abstract

The invention discloses a corridor chair elevator, which comprises a track arranged below a stair top plate by means of a suspension device, a cross shaft chain arranged in the track, a rack arranged above the track, two sets of driving mechanisms arranged at two ends of the cross shaft chain by means of a chain plate, two copper bars fixedly arranged below the track, at least two sets of power supply devices arranged in the middle of the cross shaft chain and a lifting seat hung at the tail end of the cross shaft chain, wherein the rack and the copper bars are parallel to the track; through adopting the cross axle chain as draw gear, actuating mechanism and rack cooperation are as power device, can pull the jib seat smoothly and realize freely going up and down along the track the same with stair railing extending direction, simplify the structure, the construction of being convenient for.

Description

Corridor chair elevator

Technical Field

The invention relates to the technical field of building auxiliary transportation equipment, in particular to a corridor chair elevator installed in an existing building.

Background

With the arrival of aging society, the problem that old people living in a multi-storey building without elevators are difficult to go out is more and more serious, the 'suspended' old people appear, the push of a home old care mode is directly influenced, in order to solve the problem, at present, some successful cases of additionally installing a car elevator in the existing building appear in some cities, however, the elevators are additionally installed outside the building, the installation cost of general brands is about 50 thousands, the cost is high, the occupied space is large after the installation is finished, the ventilation and lighting of low-rise residents are influenced, neighborhood disputes are easily caused, meanwhile, the car elevator belongs to special equipment, the installation can be carried out only by examining and approving each department, the building structure of the building needing to install the car elevator is required to meet related planning and quality supervision standards, so the successful cases are few, the popularization is difficult, and for this reason, two villa seat elevator and relay elevator capable of being installed in a staircase appear in the market, however, the two elevators occupy the effective space of the corridor, influence the fire-fighting function of the stairs, and are inconvenient to install, so that the transportation device which does not damage the existing building structure and simultaneously does not influence the fire-fighting and passing functions of the corridor is a technical problem which needs to be solved urgently at present in the field according to the requirements in ordinary residential residents and villas and the convenience for the old to go out.

Disclosure of Invention

The invention aims to solve the technical problem of providing a corridor chair elevator, wherein a cross shaft chain is used as a traction device, a driving mechanism and a rack are matched to be used as a power device, a suspender chair can be smoothly dragged to freely lift along a track in the same extending direction as a stair handrail, the structure is simplified, and the corridor chair elevator is convenient to construct.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a corridor seat elevator, includes and installs the track in stair roof below and installs the cross chain in the track with the help of linkage, orbital extending direction is the same with the extending direction of stair railing, still including installing the rack in the track top, install two sets of actuating mechanism, two copper bars of fixed mounting in the track below at cross chain both ends with the help of the link joint, install two sets at least power supply unit at cross chain middle part and hang the jib seat at cross chain end, rack and copper bar all are parallel with the track, actuating mechanism and rack toothing, actuating mechanism are used for driving cross chain along orbital motion, power supply unit is used for being connected with two copper bars electricity and for actuating mechanism power supply.

The double-shaft chain-type transmission device is characterized in that the toothed surface of the rack is arranged downwards, the middle of the rack above a track is arranged discontinuously, the two ends of the rack are provided with leading-in devices, the driving mechanism comprises a driving motor, a main shaft, a chain transmission mechanism, a buffer gear, an intermediate gear and a driving gear, the driving motor is fixedly arranged at the lower end of the support frame, the main shaft is arranged in the middle of the support frame, the power output end of the driving motor is connected with the end part of the main shaft by virtue of the chain transmission mechanism, a fixed wheel and a buffer gear are arranged in the middle of the main shaft, the fixed wheel is in key connection with the main shaft, the buffer gear is positioned on one side of the fixed wheel and is provided with a bearing between the fixed wheel and the main shaft, the buffer mechanism is arranged between the fixed wheel and the buffer gear, the inner side plates are symmetrically inserted in the support frame, the driving gear is arranged at the top end of the support frame by virtue of a wheel shaft, the intermediate gear is arranged between the buffer gear and the driving gear, and chain plates for being connected with a cross shaft chain are fixedly arranged at the two ends of the driving gear, and rollers are respectively arranged on the outer sides of the chain plates, a leading-in gear is coaxially and fixedly arranged on one side of the driving gear, and the leading-in gear is meshed with a leading-in device at the end part of the rack.

Buffer gear includes two pairs of U-shaped spring steel sheets and two buffer bar of fixed mounting in the tight pulley inboard of symmetry fixed mounting in the buffer gear outside, and two buffer bar and two pairs of U-shaped spring steel sheet homogeneous phases are the longitudinal symmetry installation for the axis of main shaft, be equipped with the twice arc long slot hole that is the longitudinal symmetry for the axis of main shaft on the buffer gear, two buffer bar pass the arc long slot hole of corresponding side respectively, and the open end of buffer bar is located between two U-shaped spring steel sheets in the arc long slot hole outside.

The power supply device comprises a bottom plate, two T-shaped chain plates symmetrically arranged on the upper surface of the bottom plate and two sets of contact devices symmetrically arranged on the upper surface of the bottom plate, wherein the two sets of contact devices are respectively positioned on the outer sides of the two T-shaped chain plates, the T-shaped chain plates are used for being connected with a cross shaft chain into a whole, and the contact devices are used for electrically connecting two copper bars.

Contact device includes drain pan, joint bearing, dolly, carbon brush, sliding sleeve, adapter sleeve and prevents changeing the seat, joint bearing nests in the drain pan, and installs coil spring and rotation-preventing plate between joint bearing lower extreme and the drain pan, the swivel seat is prevented to adapter sleeve lower extreme fixed mounting, and the adapter sleeve is vertical to penetrate joint bearing, prevents that the swivel seat is rectangle platelike structure, and its lower surface prevents changeing the spring with the help of two of screw symmetry installations, and two stands that prevent changeing the plate both ends are connected respectively to two other one ends of commentaries on classics spring, the dolly card is established in the adapter sleeve upper end, and the sliding sleeve inserts the adapter sleeve inner chamber, and the sliding sleeve is upper shed rectangle columnar structure, in the vertical sliding sleeve inner chamber that inserts of carbon brush, carbon brush lower extreme fixed mounting pressure spring.

The trolley comprises a bottom plate and side plates symmetrically arranged on two sides of the bottom plate, two horizontal shafts are arranged between the two side plates, one set of pinch rollers is arranged in the middle of one horizontal shaft by means of a bearing, two sets of pinch rollers are arranged in the middle of the other horizontal shaft, and wheel rims of the three sets of pinch rollers are higher than the top surfaces of the side plates.

The suspender seat comprises a suspender and a lifting seat, the suspender is fixedly arranged on the top end of the lifting seat, the upper end of the suspender is used for connecting a cross shaft chain, the suspender comprises a main body, a hanging rod, a limiting rod, a square shaft and a pressing plate, the main body, the hanging rod and the square shaft are of an integral structure, the main body is of a cuboid block structure, the hanging rod is located on the upper surface of the cuboid block structure, the two limiting rods are symmetrically arranged on two sides of the cuboid block structure, the square shaft is located on the lower surface of the cuboid block structure, and the pressing plate is fixedly arranged at the lower end of the square shaft.

The lift seat includes elbow, guide arm, crane, protector and folding seat, the vertical square hole that is used for installing the square shaft that sets up in elbow upper end, elbow lower extreme fixed mounting even board, even two guide arms of the vertical installation in board both ends, crane and guide arm sliding fit, folding seat are located the crane lower extreme, even board lower surface fixed mounting electric putter, electric putter expansion end and crane upper end are articulated, protector locates the guide arm middle part.

The protective device comprises a mounting plate, a left protective plate, a right protective plate, a back protective plate, a conductive head, a pull ring, a steel wire rope, a rope pulley, a left push rod and a right push rod, wherein the mounting plate is fixedly mounted in the middle of two guide rods, the left protective plate and the right protective plate are symmetrically mounted on two sides of the guide rods, the back protective plate is mounted on the same side of the two guide rods, the left push rod is horizontally mounted on the inner side of the left protective plate, the right push rod is mounted on the inner side of the right protective plate, the left push rod and the right push rod are in sliding fit with a support on the mounting plate, the middle of the mounting plate is fixedly mounted with the fixed rope pulley, the middle of the left push rod and the right push rod are fixedly mounted with movable rope pulleys, the inner side of the back protective plate is mounted on the two guide rods by means of two sets of horizontally arranged guide pillar and guide sleeve structures, the inner side of the back protective plate is symmetrically provided with two sets of connecting rod structures, the tail ends of which are respectively connected with wheel carriers of the two sets of movable rope pulleys, and comprises a fixed connecting rod and a movable connecting rod, fixed connecting rod one end is connected with the back of the body backplate, the articulated movable connecting rod one end of one end in addition, and the other one end of movable connecting rod is articulated with the wheel carrier of activity rope sheave, the mounting panel middle part still is equipped with pull ring and electrically conductive head, electrically conductive head includes locating piece sliding fit, and montant middle part suit coil spring that set up on cross arm and two montants, two montants and the mounting panel, cross arm both ends installation conductor, the pull ring includes the rectangle ring structure and the pull rod of suit at cross arm middle part, locating piece sliding fit on pull rod and the mounting panel, pull rod middle part suit coil spring, and wire rope is connected to the pull rod lower extreme, and wire rope walks around behind the rope sheave at fixed rope sheave and right push rod and left push rod middle part in proper order and mounting panel lower extreme fixed connection.

The folding seat comprises a shaft sleeve, an underframe, a rotating body, a limiting ring, a bolt, a pedal, a backrest and a swing rod, wherein the shaft sleeve is sleeved on a rotating shaft at the middle lower part of the lifting frame, the underframe is a rectangular frame structure fixedly installed on the side wall of the shaft sleeve, the swing rod is installed between the rectangular frame structure and a hinged support at the lower end of the lifting frame, the front end of the underframe is symmetrically provided with two hooks for hanging a wheelchair, the limiting ring is horizontally installed on the upper surface of the underframe by virtue of screws, the rotating body is sleeved on the outer side of the limiting ring, the outer side of the top end of the limiting ring is provided with an annular limiting bulge, the tail part of the rotating body is provided with the backrest by virtue of the rotating shaft, the pedal is installed at the lower side of the front end of the rotating body, the tail part of the rotating body is provided with a reset bolt, the axis of the reset bolt points to the limiting ring, the middle part of the rotating shaft for installing the backrest is provided with a push block for pushing the reset bolt, the outer edge of the annular limiting bulge is provided with three gaps for accommodating the bolt, one of the notches is positioned at the tail part of the annular limiting bulge, and the other two notches are symmetrically arranged at two sides of the annular limiting bulge.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the driving mechanism is matched with the rack to be used as a power device, the driving mechanism comprises two sets of driving motors which are respectively arranged at two ends of the cross shaft chain, the two sets of driving motors are respectively meshed with the rack through a gear transmission mechanism, the rack is in a disconnected state at the horizontal corner of the track and is only arranged at the inclined end of the track, when the driving motors at the two ends of the cross axle chain are meshed with the same rack through the gear transmission mechanism, one set of driving motor provides power, the other set of driving motor is in an idle running state, when the driving motor for providing power is separated from the corresponding rack, the other set of driving motor is used as a power motor to drive the cross shaft chain to run in the track, and the two sets of driving motors can smoothly pull the suspender seat to freely lift along the track in a relay mode; the rack in the invention adopts a discontinuous state, is disconnected at the horizontal corner of the track, and is not restricted by the modulus of the rack, so that the standardization of the rack and the track is realized, the structure is simplified, the installation can be completed in staircases with different structural forms or different sizes in a combined mode, and meanwhile, the installation precision and the installation difficulty of the standardized rack and the track can be greatly reduced, and the adjustment and installation are convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic view of a suspension arrangement;

FIG. 4 is a top view of the present invention installed;

FIG. 5 is an enlarged view of section I of FIG. 4;

FIG. 6 is a schematic view of a cross-pin chain and boom seat mounting arrangement;

FIG. 7 is an enlarged view of section II of FIG. 6;

FIG. 8 is a schematic view of the structure of the driving mechanism

FIG. 9 is a partial cross-sectional view of FIG. 8;

FIG. 10 is an enlarged view of section III of FIG. 9;

FIG. 11 is a schematic diagram of a power supply configuration;

FIG. 12 is a schematic view of a contact device configuration;

FIG. 13 is an exploded view of FIG. 12;

FIG. 14 is a schematic view of a boom configuration;

FIG. 15 is a schematic view of the lift seat configuration;

FIG. 16 is a schematic view of the guard structure;

FIG. 17 is an enlarged view of the portion IV of FIG. 16;

FIG. 18 is a top view of FIG. 17;

FIG. 19 is a schematic view of a folding seat configuration;

FIG. 20 is an enlarged view of section V of FIG. 19;

FIG. 21 is a schematic view of a folded seat rotated;

FIG. 22 is a schematic view of the folding seat in a folded condition;

wherein: 1. a suspension device; 1-1, a top frame; 1-2, a rotating shaft; 1-3, hanging bolts; 1-4, decorative boards; 1-5, hanging plates; 1-6, lifting lugs; 2. a rack; 3. a drive mechanism; 3-1, a chain plate; 3-2, driving a gear; 3-3, a lead-in gear; 3-4, side plates; 3-5, an intermediate gear; 3-6, a buffer gear; 3-7, driving a motor; 3-8, a chain transmission mechanism; 3-9, a main shaft; 3-10 parts of U-shaped spring steel sheet; 3-11, a fixed wheel; 3-12 parts of a limiting shaft; 3-13, limiting holes; 4. a track; 5. copper bars; 6. a power supply device; 6-1, T-shaped chain plates; 6-2, a contact device; 6-2-1, a bottom shell; 6-2-2, joint bearing shell; 6-2-3, a trolley; 6-2-4, carbon brush; 6-2-5, sliding sleeve; 6-2-6, connecting sleeve; 6-2-7, anti-transposition; 6-2-8, joint bearing ball body; 6-3, a bottom plate; 7. a cross-axle chain; 8. hanging a seat; 8-1, a suspender; 8-1-1, a hanging rod; 8-1-2, a limiting rod; 8-1-3, pressing plate; 8-2, lifting the seat; 8-2-1, elbow; 8-2-2, a guide rod; 8-2-3, an electric push rod; 8-2-4, a protective device; 8-2-4-1, right guard plate; 8-2-4-2, back guard board; 8-2-4-3 conductive heads; 8-2-4-4, a pull ring; 8-2-4-5, a left push rod; 8-2-4-6, steel wire rope; 8-2-4-7, a rope wheel; 8-2-4-8, right push rod; 8-2-4-9, left guard plate; 8-2-5, a lifting frame; 8-2-6, folding seat; 8-2-6-1, backrest; 8-2-6-2, and treading; 8-2-6-3, shaft sleeve; 8-2-6-4, a rotator; 8-2-6-5, a limit ring; 8-2-6-7, wheelchair hook; 8-2-6-8 and a bolt; 8-2-6-9, a swing rod; 9. a staircase; 10. a wheelchair is provided.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in figures 1-2, the invention discloses a corridor chair elevator, which comprises a track 4 arranged below a top plate of a staircase 9 by means of a suspension device 1, a cross shaft chain 7 arranged in the track 4, a rack 2 arranged above the track 4, two sets of driving mechanisms 3 arranged at two ends of the cross shaft chain 7 by means of chain plates 3-1, two copper bars 5 fixedly arranged below the track 4, at least two sets of power supply devices 6 arranged in the middle of the cross shaft chain 7 and a suspender chair 8 hung at the tail end of the cross shaft chain 7, wherein the rack 2 and the copper bars 5 are both parallel to the track 4, the driving mechanisms are meshed with the rack 2, the driving mechanisms are used for driving the cross shaft chain 7 to move along the track 4, the power supply devices 6 are electrically connected with the two copper bars 5, and the driving devices are arranged on the track 4, And supplies power to the drive mechanism 3.

Referring to the attached drawings 6-7, the toothed surface of the rack 2 is arranged downwards, the rack 2 is positioned in the middle above the track 4, the two ends of the rack 2 are respectively provided with a guiding device, the driving mechanism 3 comprises a driving motor 3-7, a main shaft 3-9, a chain transmission mechanism 3-8, a buffer gear 3-6, an intermediate gear 3-5 and a driving gear 3-2, the driving motor 3-7 is fixedly arranged at the lower end of the support frame, the main shaft 3-9 is arranged in the middle of the support frame, the power output end of the driving motor 3-7 is connected with the end part of the main shaft 3-9 through the chain transmission mechanism 3-8, the middle part of the main shaft 3-9 is provided with a fixed wheel 3-11 and a buffer gear 3-6, the fixed wheel 3-11 is connected with the main shaft 3-9, the buffer gear 3-6 is positioned on one side of the fixed wheel 3-11, A bearing is arranged between the driving mechanism and a main shaft 3-9, a buffer mechanism is arranged between a fixed wheel 3-11 and a buffer gear 3-6, side plates 3-4 are symmetrically inserted on the inner side of the support frame, the driving gear 3-2 is arranged at the top end of the support frame by means of a wheel shaft, an intermediate gear 3-5 is arranged between the buffer gear 3-6 and the driving gear 3-2, chain plates 3-1 used for being connected with a cross shaft chain 7 are fixedly arranged at the two ends of the wheel shaft of the driving gear 3-2, rollers are respectively arranged on the outer sides of the chain plates 3-1, a lead-in gear 3-3 is coaxially and fixedly arranged on one side of the driving gear 3-2, and the lead-in gear 3-3 is used for being meshed with a lead-in device at the end part of a rack 2, meanwhile, for convenient installation, the rack is only arranged at the inclined section of the track, the horizontal corner is in a disconnected state, before the driving gear of the gear transmission mechanism is pushed to be meshed with the next rack, because the driving gear is in an idle running state, the situation that the driving gear cannot be normally meshed with the rack can exist, even the tooth of the driving gear is dead against the first tooth of the rack, in order to enable the driving gear to be smoothly meshed with the first tooth of the rack, a lead-in device is arranged at a fixed position before the driving gear is meshed with the first tooth of the rack, a lead-in gear is coaxially and fixedly arranged with the driving gear, the lead-in device is a block structure which is arranged on one side of the front end of the rack in parallel, the bottom surface of the block structure is provided with an arc bulge which is positioned at a corresponding position in front of the first tooth of the rack, when the driving gear is pushed to the front end of the rack, the lead-in gear is firstly meshed with the arc bulge, the arc bulge stirs the lead-in gear to rotate, the driving gear and the lead-in gear rotate simultaneously, and the purpose is to enable the driving gear to rotate to a state capable of being normally meshed with the first tooth of the rack.

Referring to the attached drawings 8-10, the buffer mechanism comprises two pairs of U-shaped spring steel sheets 3-10 which are symmetrically and fixedly arranged on the outer side of a buffer gear 3-6 and two buffer rods 3-12 which are fixedly arranged on the inner side of a fixed wheel 3-11, the two buffer rods 3-12 and the two pairs of U-shaped spring steel sheets 3-10 are vertically and symmetrically arranged relative to the axis of a main shaft 3-9, two arc-shaped long slotted holes 3-12 which are vertically and symmetrically arranged relative to the axis of the main shaft 3-9 are arranged on the buffer gear 3-6, the two buffer rods 3-12 respectively penetrate through the correspondingly measured arc-shaped long slotted holes 3-12, the open end of each buffer rod 3-12 is positioned between the two U-shaped spring steel sheets 3-10 on the outer side of the arc-shaped long slotted hole 3-12, when a driving gear is blocked in the operation process, the rotating speeds of the driving gear and the motor are asynchronous, the resistance of the driving gear is transmitted to the buffer gear through the intermediate gear at the moment, and the buffer gear can be driven to rotate around the main shaft within a certain angle range by the resistance transmitted by the intermediate gear due to the movable connection between the buffer gear and the main shaft, so that the buffer purpose is achieved; when the buffer gear rotates to a dead-pressing state, the driving gear is driven by the intermediate gear to rotate synchronously with the buffer gear; when the resistance disappears, the buffer gear is restored to the middle state under the pressure of the spring steel sheet.

Referring to the attached drawings 11-12, the power supply device 6 comprises a bottom plate 6-3, two T-shaped chain plates 6-1 symmetrically arranged on the upper surface of the bottom plate 6-3 and two sets of contact devices 6-2 symmetrically arranged, the two sets of contact devices 6-2 are respectively positioned on the outer sides of the two T-shaped chain plates 6-1, the T-shaped chain plates 6-1 are used for being connected with a cross shaft chain 7 into a whole, and the contact devices 6-2 are used for electrically connecting two copper bars 5.

Referring to the attached drawing 12-13, the contact device 6-2 comprises a bottom shell 6-2-1, a joint bearing, a trolley 6-2-3, a carbon brush 6-2-4, a sliding sleeve 6-2-5, a connecting sleeve 6-2-6 and an anti-rotation seat 6-2-7, wherein the joint bearing is nested in the bottom shell 6-2-1, a spiral spring and an anti-rotation plate are arranged between the lower end of the joint bearing and the bottom shell 6-2-1, the anti-rotation seat 6-2-7 is fixedly arranged at the lower end of the connecting sleeve 6-2-6, the connecting sleeve 6-2-6 vertically penetrates through the joint bearing, the anti-rotation seat 6-2-7 is of a rectangular plate-shaped structure, two anti-rotation springs are symmetrically arranged on the lower surface of the anti-rotation seat by means of screws, and the other ends of the two anti-rotation springs are respectively connected with two upright posts at two ends of the anti-rotation plate, the trolley 6-2-3 is clamped at the upper end of the connecting sleeve 6-2-6, the sliding sleeve 6-2-5 is inserted into the inner cavity of the connecting sleeve 6-2-6, the sliding sleeve 6-2-5 is of a rectangular columnar structure with an upper opening, the carbon brush 6-2-4 is vertically inserted into the inner cavity of the sliding sleeve 6-2-5, and the lower end of the carbon brush 6-2-4 is fixedly provided with a return spring.

Referring to the attached figure 12, the trolley 6-2-3 comprises a bottom plate 6-3 and side plates 3-4 symmetrically arranged on two sides of the bottom plate 6-3, two horizontal shafts are arranged between the two side plates 3-4, one set of pressing wheels is arranged in the middle of one horizontal shaft through a bearing, two sets of pressing wheels are arranged in the middle of the other horizontal shaft, and the rims of the three sets of pressing wheels are higher than the top surfaces of the side plates 3-4.

In the power supply device of the invention, the bottom plate is always parallel to the power bank during normal operation, but during actual operation, because the installation error can cause the angle deviation between the bottom plate and the copper bar, the carbon brush can not be in close contact with the copper bar to influence the power supply, and therefore, the joint bearing is installed in the base, when the bottom plate is not parallel to the copper bar, the knuckle bearing can rotate under pressure and is vertical to the contact surfaces of the three sets of pinch rollers and the copper bar, thereby ensuring that the top surface of the carbon brush is vertical to and closely contacted with the copper bar, completing the continuous power supply in the motion state, in order to ensure that the rail can smoothly pass through the vertical arc section of the rail, the invention is provided with two sets of power supply devices matched with the cross axle chain, when the carbon brushes pass through the vertical arc section of the track, the carbon brushes of at least one set of power supply device are perpendicular to the copper bar, so that normal power supply is ensured.

The suspender seat 8 comprises a suspender 8-1 and a lifting seat 8-2, the suspender 8-1 is fixedly arranged at the top end of the lifting seat 8-2, referring to the attached figure 14, the upper end of the suspender 8-1 is used for connecting a cross-shaft chain 7, the suspender 8-1 comprises a main body, a hanging rod 8-1-1, a limiting rod 8-1-2, a square shaft and a pressing plate 8-1-3, the main body, the hanging and connecting rod 8-1-1 and the square shaft are of an integrated structure, the main body is of a cuboid block structure, the hanging and connecting rod 8-1-1 is located on the upper surface of the cuboid block structure, the two limiting rods 8-1-2 are symmetrically installed on the two sides of the cuboid block structure, the square shaft is located on the lower surface of the cuboid block structure, and the pressing plate 8-1-3 is fixedly installed at the lower end of the square shaft.

Referring to the attached figure 15, the lifting seat 8-2 comprises an elbow 8-2-1, a guide rod 8-2-2, a lifting frame 8-2-5, a protection device 8-2-4 and a folding seat 8-2-6, wherein a square hole for installing a square shaft is vertically arranged at the upper end of the elbow 8-2-1, a connecting plate is fixedly arranged at the lower end of the elbow 8-2-1, two guide rods 8-2-2 are vertically arranged at two ends of the connecting plate, the lifting frame 8-2-5 is in sliding fit with the guide rod 8-2-2, the folding seat 8-2-6 is positioned at the lower end of the lifting frame 8-2-5, an electric push rod 8-2-3 is fixedly arranged on the lower surface of the connecting plate, and the movable end of the electric push rod 8-2-3 is hinged with the upper end of the lifting frame 8-2-5, the protective device 8-2-4 is arranged in the middle of the guide rod 8-2-2.

Referring to the attached drawings 16-18, the protection device 8-2-4 comprises a mounting plate, a left protection plate 8-2-4-9, a right protection plate 8-2-4-1, a back protection plate 8-2-4-2, a conductive head 8-2-4-3, a pull ring 8-2-4-4, a steel wire rope 8-2-4-6, a rope pulley 8-2-4-7, a left push rod 8-2-4-5 and a push rod, wherein the mounting plate is fixedly arranged in the middle of the two guide rods 8-2-2, the left protection plate 8-2-4-9 and the right protection plate 8-2-4-1 are symmetrically arranged on the two sides of the guide rods 8-2-2, the back protection plate 8-2-4-2 is arranged on the same side of the two guide rods 8-2-2, the inner side of the left guard plate 8-2-4-9 is horizontally provided with a left push rod 8-2-4-5, the inner side of the right guard plate 8-2-4-1 is provided with a right push rod 8-2-4-8, the left push rod 8-2-4-5 and the right push rod 8-2-4-8 are in sliding fit with a support on an installation plate, the middle part of the installation plate is fixedly provided with a fixed rope pulley 8-2-4-7, the middle parts of the left push rod 8-2-4-5 and the right push rod 8-2-4-8 are respectively fixedly provided with a movable rope pulley 8-2-4-7, the inner side of the back guard plate 8-2-4-2 is arranged on two guide rods 8-2-2 by means of two sets of horizontally arranged guide pillar and guide sleeve structures, the inner side of the back guard plate 8-2-4-2 is symmetrically provided with two sets of connecting rod structures, the tail ends of the two sets of connecting rod structures are respectively connected with wheel carriers of two sets of movable rope wheels 8-2-4-7, each connecting rod mechanism comprises a fixed connecting rod and a movable connecting rod, one end of each fixed connecting rod is connected with the back guard plate 8-2-4-2, the other end of each fixed connecting rod is hinged with one end of each movable connecting rod, the other end of each movable connecting rod is hinged with the wheel carrier of the movable rope wheel 8-2-4-7, the middle part of the mounting plate is also provided with a pull ring 8-2-4-4 and a conductive head 8-2-4-3, each conductive head 8-2-4-3 comprises a cross arm and two vertical rods, the two vertical rods are in sliding fit with positioning blocks arranged on the mounting plate, the middle parts of the vertical rods are sleeved with spiral springs, and conductors are arranged at the two ends of the cross arm, the pull ring 8-2-4-4 comprises a rectangular annular structure sleeved in the middle of the cross arm and a pull rod, the pull rod is in sliding fit with the positioning block on the mounting plate, a spiral spring is sleeved in the middle of the pull rod, the lower end of the pull rod is connected with a steel wire rope 8-2-4-6, and the steel wire rope 8-2-4-6 sequentially bypasses a fixed rope pulley 8-2-4-7, a right push rod 8-2-4-8 and a rope pulley 8-2-4-7 in the middle of a left push rod 8-2-4-5 and then is fixedly connected with the lower end of the mounting plate.

When the left guard plate and the right guard plate are extruded or pulled, when the back plate is extruded, the left push rod and the push rod are pushed to move oppositely, the steel wire rope is pulled downwards, the pull ring moves for a certain distance and presses the conductive head to move downwards, two electrodes on the conductive head are respectively connected with the positive electrode of a power supply and one end of a coil of a contactor, the two electrodes are conducted, the other end of the coil is connected with the negative electrode of the power supply, once the conductive head is pressed, the two electrodes are in a disconnected state, the coil of the contactor loses power, a main power supply is cut off, the driving motor stops running, emergency stop is completed, and use safety is guaranteed.

Referring to the attached drawings 19-22, the folding seat 8-2-6 comprises a shaft sleeve 8-2-6-3, an underframe 8-2-6-6, a rotating body 8-2-6-4, a limiting ring 8-2-6-5, a bolt 8-2-6-8, a pedal 8-2-6-2, a backrest 8-2-6-1 and a swing rod 8-2-6-9, wherein the shaft sleeve 8-2-6-3 is sleeved on a rotating shaft at the middle lower part of a lifting frame 8-2-5, the underframe 8-2-6-6 is a rectangular frame structure fixedly arranged on the side wall of the shaft sleeve 8-2-6-3, the swing rod 8-2-6-9 is arranged between the rectangular frame structure and a hinged support at the lower end of the lifting frame 8-2-5, the front end of the underframe 8-2-6-6 is symmetrically provided with two hooks for hanging a wheelchair, a limit ring 8-2-6-5 is horizontally arranged on the upper surface of the underframe 8-2-6-6 by means of a screw, a rotator 8-2-6-4 is sleeved on the outer side of the limit ring 8-2-6-5, the outer side of the top end of the limit ring 8-2-6-5 is provided with an annular limit bulge, the tail part of the rotator 8-2-6-4 is provided with a backrest 8-2-6-1 by means of a rotating shaft, the lower side of the front end of the rotator 8-2-6-4 is provided with a pedal 8-2-6-2, the tail part of the rotator 8-2-6-4 is provided with a reset bolt 8-2-6-8, the axis of the reset bolt 8-2-6-8 points to the axis of the limit ring 8-2-6-5, a push block for pushing the reset bolt 8-2-6-8 is arranged in the middle of a rotating shaft for mounting the backrest 8-2-6-1, three notches for accommodating the bolt 8-2-6-8 are arranged on the outer edge of the annular limit bulge, one notch is positioned at the tail part of the annular limit bulge, and the other two notches are symmetrically arranged at two sides of the annular limit bulge.

In specific application process, folding seat can with rotatory use, reduce occupation stair space, simultaneously, under fold condition, can hang the wheelchair on the wheelchair couple, pull up the certain height through electric putter with the wheelchair, can be along with folding seat is current in the stairwell.

In a word, the invention realizes dragging the suspender seat to move along the extension direction of the three-dimensional track by adopting the matching of the cross shaft chain and the three-dimensional track, the driving mechanism is matched with the rack to be used as a power device, the driving mechanism comprises two sets of driving motors which are respectively arranged at two ends of the cross shaft chain, the two sets of driving motors are respectively meshed with the rack through the gear transmission mechanism, the rack is in a disconnected state at the horizontal corner of the track and is only arranged at the inclined end of the track, when the driving motors at the two ends of the cross axle chain are meshed with the same rack through the gear transmission mechanism, one set of driving motor provides power, the other set of driving motor is in an idle running state, when the driving motor for providing power is separated from the corresponding rack, the other set of driving motor is used as a power motor to drive the cross shaft chain to run in the track, and the two sets of driving motors can smoothly pull the suspender seat to freely lift along the track in a relay mode; the rack in the invention adopts a discontinuous state, is disconnected at the horizontal corner of the track, and is not restricted by the modulus of the rack, so that the standardization of the rack and the track is realized, the structure is simplified, the installation can be completed in staircases with different structural forms or different sizes in a combined mode, and meanwhile, the installation precision and the installation difficulty of the standardized rack and the track can be greatly reduced, and the adjustment and installation are convenient.

Claims

1. Stairway stairlift, comprising a rail (4) mounted by means of a suspension device (1) below the roof of a staircase (9) and a cross-pin chain (7) mounted in the rail (4), the rail (4) extending in the same direction as the handrail, characterized in that: the device comprises a rail (4), a rack (2) arranged above the rail (4), two sets of driving mechanisms (3) arranged at two ends of a cross shaft chain (7) by means of chain plates (3-1), two copper bars (5) fixedly arranged below the rail (4), at least two sets of power supply devices (6) arranged in the middle of the cross shaft chain (7) and a suspender seat (8) hung at the tail end of the cross shaft chain (7), wherein the rack (2) and the copper bars (5) are parallel to the rail (4), the driving mechanisms are meshed with the rack (2), the driving mechanisms are used for driving the cross shaft chain (7) to move along the rail (4), and the power supply devices (6) are used for being electrically connected with the two copper bars (5) and supplying power to the driving mechanisms (3);

the tooth surface of the rack (2) is arranged downwards, the rack (2) is discontinuously arranged in the middle above the track (4), the two ends of the rack (2) are respectively provided with a leading-in device, the driving mechanism (3) comprises a driving motor (3-7), a main shaft (3-9), a chain transmission mechanism (3-8), a buffer gear (3-6), an intermediate gear (3-5) and a driving gear (3-2), the driving motor (3-7) is fixedly arranged at the lower end of the supporting frame, the main shaft (3-9) is arranged in the middle of the supporting frame, the power output end of the driving motor (3-7) is connected with the end part of the main shaft (3-9) by means of the chain transmission mechanism (3-8), and the middle part of the main shaft (3-9) is provided with a fixed wheel (3-11) and the buffer gear (3-6), the fixed wheel (3-11) is in key connection with the main shaft (3-9), the buffer gear (3-6) is positioned on one side of the fixed wheel (3-11) and is provided with a bearing with the main shaft (3-9), a buffer mechanism is arranged between the fixed wheel (3-11) and the buffer gear (3-6), side plates (3-4) are symmetrically inserted into the inner side of the support frame, the driving gear (3-2) is arranged at the top end of the support frame by means of a wheel shaft, an intermediate gear (3-5) is arranged between the buffer gear (3-6) and the driving gear (3-2), chain plates (3-1) which are connected with a cross shaft chain (7) are fixedly arranged at two ends of the wheel shaft of the driving gear (3-2), rollers are respectively arranged at the outer side of the chain plates (3-1), and a leading-in gear (3-3) is coaxially and fixedly arranged on one side of the driving gear (3-2), the lead-in gear (3-3) is used for being meshed with a lead-in device at the end part of the rack (2);

the buffer mechanism comprises two pairs of U-shaped spring steel sheets (3-10) which are symmetrically and fixedly arranged at the outer sides of the buffer gears (3-6) and two buffer rods (3-12) which are fixedly arranged at the inner sides of the fixed wheels (3-11), the two buffer rods (3-12) and the two pairs of U-shaped spring steel sheets (3-10) are vertically and symmetrically arranged relative to the axis of the main shaft (3-9), two arc-shaped long slotted holes (3-12) which are vertically symmetrical relative to the axis of the main shaft (3-9) are formed in the buffer gear (3-6), two buffer rods (3-12) respectively penetrate through the arc-shaped long slotted holes (3-12) on the corresponding sides, and the open ends of the buffer rods (3-12) are located between two U-shaped spring steel sheets (3-10) on the outer sides of the arc-shaped long slotted holes (3-12).

2. The stairway stairlift according to claim 1, characterized in that: the power supply device (6) comprises a bottom plate (6-3), two T-shaped chain plates (6-1) symmetrically arranged on the upper surface of the bottom plate (6-3) and two sets of contact devices (6-2) symmetrically arranged, the two sets of contact devices (6-2) are respectively positioned on the outer sides of the two T-shaped chain plates (6-1), the T-shaped chain plates (6-1) are used for being connected with a cross shaft chain (7) into an integral structure, and the contact devices (6-2) are used for electrically connecting two copper bars (5).

3. The stairway stairlift according to claim 2, characterized in that: the contact device (6-2) comprises a bottom shell (6-2-1), a joint bearing, a trolley (6-2-3), a carbon brush (6-2-4), a sliding sleeve (6-2-5), a connecting sleeve (6-2-6) and an anti-rotation seat (6-2-7), wherein the joint bearing is nested in the bottom shell (6-2-1), a spiral spring and an anti-rotation plate are installed between the lower end of the joint bearing and the bottom shell (6-2-1), the anti-rotation seat (6-2-7) is fixedly installed at the lower end of the connecting sleeve (6-2-6), the connecting sleeve (6-2-6) vertically penetrates through the joint bearing, the anti-rotation seat (6-2-7) is of a rectangular plate-shaped structure, and two anti-rotation springs are symmetrically installed on the lower surface of the anti-rotation seat by means of screws, the other ends of the two anti-rotation springs are respectively connected with two upright posts at two ends of the anti-rotation plate, the trolley (6-2-3) is clamped at the upper end of the connecting sleeve (6-2-6), the sliding sleeve (6-2-5) is inserted into the inner cavity of the connecting sleeve (6-2-6), the sliding sleeve (6-2-5) is of a rectangular columnar structure with an upper opening, the carbon brush (6-2-4) is vertically inserted into the inner cavity of the sliding sleeve (6-2-5), and the lower end of the carbon brush (6-2-4) is fixedly provided with the pressure spring.

4. The stairway stairlift according to claim 3, characterized in that: the trolley (6-2-3) comprises a bottom plate (6-3) and side plates (3-4) symmetrically arranged on two sides of the bottom plate (6-3), two horizontal shafts are arranged between the two side plates (3-4), one set of pressing wheels is arranged in the middle of one horizontal shaft by means of a bearing, two sets of pressing wheels are arranged in the middle of the other horizontal shaft, and wheel rims of the three sets of pressing wheels are higher than the top surfaces of the side plates (3-4).

5. The stairway stairlift according to claim 4, characterized in that: the hanging rod seat (8) comprises a hanging rod (8-1) and a lifting seat (8-2), the hanging rod (8-1) is fixedly installed at the top end of the lifting seat (8-2), the upper end of the hanging rod (8-1) is used for being connected with a cross shaft chain (7), the hanging rod (8-1) comprises a main body, a hanging and connecting rod (8-1-1), a limiting rod (8-1-2), a square shaft and a pressing plate (8-1-3), the main body, the hanging and connecting rod (8-1-1) and the square shaft are of an integrated structure, the main body is of a cuboid block structure, the hanging and connecting rod (8-1-1) is located on the upper surface of the cuboid block structure, the two limiting rods (8-1-2) are symmetrically installed on two sides of the cuboid block structure, and the square shaft is located on the lower surface of the cuboid block structure, the lower end of the square shaft is fixedly provided with a pressing plate (8-1-3).

6. The stairway stairlift according to claim 5, characterized in that: the lifting seat (8-2) comprises an elbow (8-2-1), guide rods (8-2-2), a lifting frame (8-2-5), a protection device (8-2-4) and a folding seat (8-2-6), a square hole for mounting a square shaft is vertically formed in the upper end of the elbow (8-2-1), a connecting plate is fixedly mounted at the lower end of the elbow (8-2-1), two guide rods (8-2-2) are vertically mounted at two ends of the connecting plate, the lifting frame (8-2-5) is in sliding fit with the guide rods (8-2-2), the folding seat (8-2-6) is located at the lower end of the lifting frame (8-2-5), and an electric push rod (8-2-3) is fixedly mounted on the lower surface of the connecting plate, the movable end of the electric push rod (8-2-3) is hinged with the upper end of the lifting frame (8-2-5), and the protective device (8-2-4) is arranged in the middle of the guide rod (8-2-2).

7. The stairway stairlift according to claim 6, characterized in that: the protective device (8-2-4) comprises a mounting plate, a left protective plate (8-2-4-9), a right protective plate (8-2-4-1), a back protective plate (8-2-4-2), a conductive head (8-2-4-3), a pull ring (8-2-4-4), a steel wire rope (8-2-4-6), a rope pulley (8-2-4-7), a left push rod (8-2-4-5) and a right push rod, the mounting plate is fixedly arranged in the middle of the two guide rods (8-2-2), the left protective plate (8-2-4-9) and the right protective plate (8-2-4-1) are symmetrically arranged on two sides of the guide rods (8-2-2), the back guard plate (8-2-4-2) is arranged at the same side of the two guide rods (8-2-2), a left push rod (8-2-4-5) is horizontally arranged at the inner side of the left guard plate (8-2-4-9), a right push rod (8-2-4-8) is arranged at the inner side of the right guard plate (8-2-4-1), the left push rod (8-2-4-5) and the right push rod (8-2-4-8) are in sliding fit with a support on the mounting plate, a fixed rope pulley (8-2-4-7) is fixedly arranged at the middle part of the mounting plate, a movable rope pulley (8-2-4-7) is fixedly arranged at the middle parts of the left push rod (8-2-4-5) and the right push rod (8-2-4-8), the inner side of the back protection plate (8-2-4-2) is arranged on two guide rods (8-2-2) by means of two sets of guide post and guide sleeve structures which are horizontally arranged, the inner side of the back protection plate (8-2-4-2) is symmetrically provided with two sets of connecting rod structures, the tail ends of the two sets of connecting rod structures are respectively connected with wheel carriers of two sets of movable rope wheels (8-2-4-7), each connecting rod mechanism comprises a fixed connecting rod and a movable connecting rod, one end of each fixed connecting rod is connected with the back protection plate (8-2-4-2), the other end of each fixed connecting rod is hinged with one end of each movable connecting rod, the other end of each movable connecting rod is hinged with the wheel carrier of the movable rope wheel (8-2-4-7), the middle part of the mounting plate is also provided with a pull ring (8-2-4-4) and a conductive head (8-2-4-3), the conductive head (8-2-4-3) comprises a cross arm and two vertical rods, the two vertical rods are in sliding fit with a positioning block arranged on the mounting plate, the middle parts of the vertical rods are sleeved with spiral springs, conductors are arranged at two ends of the cross arm, the pull ring (8-2-4-4) comprises a rectangular annular structure sleeved in the middle of the cross arm and a pull rod, the pull rod is in sliding fit with the positioning block on the mounting plate, a spiral spring is sleeved in the middle of the pull rod, the lower end of the pull rod is connected with a steel wire rope (8-2-4-6), and the steel wire rope (8-2-4-6) sequentially bypasses the fixed rope pulley (8-2-4-7), the right push rod (8-2-4-8) and the rope pulley (8-2-4-7) in the middle of the left push rod (8-2-4-5) and then is fixedly connected with the lower end of the mounting plate.

8. The stairway stairlift according to claim 7, characterized in that: the folding seat (8-2-6) comprises a shaft sleeve (8-2-6-3), an underframe (8-2-6-6), a rotating body (8-2-6-4), a limiting ring (8-2-6-5), a bolt (8-2-6-8), a pedal (8-2-6-2), a backrest (8-2-6-1) and a swing rod (8-2-6-9), wherein the shaft sleeve (8-2-6-3) is sleeved on a rotating shaft at the middle lower part of the lifting frame (8-2-5), the underframe (8-2-6-6) is a rectangular frame structure fixedly arranged on the side wall of the shaft sleeve (8-2-6-3), a swing rod (8-2-6-9) is arranged between the rectangular frame structure and a hinged support at the lower end of the lifting frame (8-2-5), the front end of the underframe (8-2-6-6) is symmetrically provided with two hooks for hanging a wheelchair, a limit ring (8-2-6-5) is horizontally arranged on the upper surface of the underframe (8-2-6-6) by means of a screw, a rotating body (8-2-6-4) is sleeved outside the limit ring (8-2-6-5), an annular limit bulge is arranged outside the top end of the limit ring (8-2-6-5), the tail part of the rotating body (8-2-6-4) is provided with a backrest (8-2-6-1) by means of a rotating shaft, and the lower side of the front end of the rotating body (8-2-6-4) is provided with a pedal (8-2- 6-2), the tail of the rotating body (8-2-6-4) is provided with a reset bolt (8-2-6-8), the axis of the reset bolt (8-2-6-8) points to the axis of the limiting ring (8-2-6-5), the middle part of a rotating shaft for mounting the backrest (8-2-6-1) is provided with a push block for pushing the reset bolt (8-2-6-8), the outer edge of the annular limiting bulge is provided with three notches for accommodating the bolt (8-2-6-8), one notch is positioned at the tail of the annular limiting bulge, and the other two notches are symmetrically arranged at two sides of the annular limiting bulge.