CN214879379U

CN214879379U - Barrier-free step climbing device

Info

Publication number: CN214879379U
Application number: CN202120657651.3U
Authority: CN
Inventors: 张元�
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-26
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an obstacle-free step climbing device, which comprises a bearing hanging plate, a driving mechanism and a track mechanism; the lower end of the bearing hanging plate is provided with a bearing platform extending towards the outer side of the bearing hanging plate; the driving mechanism comprises at least one driving gear which is arranged at the upper end of the bearing hanging plate and arranged along the sliding direction of the bearing hanging plate; the track mechanism comprises a track fixing plate arranged along the sliding direction of the bearing hanging plate; the utility model can effectively solve the problem that the wheelchair is inconvenient to go up and down in front of the step in the prior art, and is more convenient for disabled people to go out; the production cost is low, the installation is convenient and fast, and the application range is wide.

Description

Barrier-free step climbing device

Technical Field

The utility model relates to a current technical equipment field of accessible, in particular to accessible step device of climbing.

Background

The steps are huge obstacles for the movement of disabled people transportation means (wheelchairs), such as high steps in front of doors of certain buildings or high steps in parks; nowadays, in the process of adding elevator activities to a multi-storey residential building in a residential area, the problems are also puzzled, namely although the elevator is additionally arranged, a wheelchair (including a wheelchair-sitting person, the same goes down) cannot go upstairs and downstairs autonomously; the stair of most multi-storey residential buildings is in a 'one-storey two-storey running' form, namely the stairs between adjacent floors do not run straight upward but need to pass through the turn of the middle half-storey platform, after the elevator is additionally arranged outside the stairwell, all landing doors of the elevator can communicate with all the half-storey platforms in the stairwell, namely, after the wheelchair exits from the elevator car, the wheelchair only reaches the half-storey platform close to a target floor, and the stair steps of the half-storey cannot pass through the wheelchair independently, and the wheelchair can be assisted by others, carried or lifted to reach home.

SUMMERY OF THE UTILITY MODEL

To the defect among the above-mentioned phenomenon and the prior art, the utility model provides a step device is climbed to accessible, accessible current problem of wheelchair that can effectively solve the regional wheelchair accessible of no ramp step and install the multilayer house behind the elevator additional and also face is accessible current problem of wheelchair.

The utility model adopts the technical proposal that: an obstacle-free step climbing device comprises a bearing hanging plate, a driving mechanism and a track mechanism; the lower end of the bearing hanging plate is provided with a bearing platform extending towards the outer side of the bearing hanging plate; the driving mechanism comprises at least one driving gear which is arranged at the upper end of the bearing hanging plate and arranged along the sliding direction of the bearing hanging plate, the driving gear is in transmission connection with the output end of a speed reducer arranged in the bearing hanging plate through a transmission belt, and the input end of the speed reducer is in transmission connection with a driving motor; the track mechanism comprises a track fixing plate arranged along the sliding direction of the bearing hanging plate, and a track rack which can be meshed with the driving gear is arranged on the surface of the track fixing plate opposite to the bearing hanging plate; when the driving motor operates, the bearing hanging plate can be driven to slide in a reciprocating mode along the arrangement direction of the track fixing plate.

In the technical scheme: the barrier-free step climbing device adopts an automatic oblique lifting technology, so that the problem of barrier-free passing of the wheelchair before the ramp-free step is solved; specifically, the track fixing plate is fixedly arranged on a vertical surface vertical to the ground, for example, fixed on upright posts arranged beside a step at intervals or fixed on a wall surface beside a stair, and the track fixing plate and the track rack are arranged in parallel to the slope surface of the step; the driving mechanism drives the bearing hanging plate to slide along the arrangement direction of the track fixing plate; the bearing platform connected to the lower end of the bearing hanging plate is used for bearing handicapped people and the wheelchair, and the bearing platform always keeps a horizontal state in the sliding process of the bearing hanging plate, so that the wheelchair can be stably transferred without obstacles in a ramp-free step area, and the wheelchair is more convenient for the handicapped people to go out.

Furthermore, the surface of the track fixing plate opposite to the bearing hanging plate is provided with a base plate with an L-shaped section, the base plate is arranged along the track rack, and the inner side surface of the base plate is in rolling fit with a plurality of obliquely-arranged pulleys arranged at the top of the bearing hanging plate.

Furthermore, a supporting wheel set capable of being in rolling fit with the contact surface is further arranged on the surface, opposite to the track fixing plate, of the bearing hanging plate, and the supporting wheel set is located on the lower portion of the bearing hanging plate.

Further, still be equipped with the rotation guardrail on bearing the link plate, rotate guardrail both ends and bear the link plate and rotate and be connected, it rotates guardrail pivoted first drive push-and-pull rod to be equipped with the drive in the link plate to bear, it can rotate to parallel with load-bearing platform or with bear the link plate coincidence position mutually to rotate the guardrail.

Furthermore, reinforcing ribs arranged in a grid manner are arranged in the bearing hanging plate.

Furthermore, a rotatable wheel guard plate is arranged at the end part of the bearing platform, and the wheel guard plate is connected with a second driving push-pull rod for driving the wheel guard plate to rotate.

Furthermore, a plurality of fixing bolts arranged at intervals are further arranged on the track fixing plate.

Furthermore, a protective cover is arranged on the outer side of the bearing hanging plate.

Further, still include control assembly, control assembly includes wireless controller and PLC control module, and PLC control module is connected with signal reception module and locates the protection casing and correspond the control panel of load-bearing platform top, be equipped with control button on wireless controller and the control panel.

The utility model has the advantages that: the barrier-free stair climbing device provided by the utility model is suitable for being installed in a stair area without a barrier-free ramp, and is also suitable for being installed in a multi-storey residential stairwell with wheelchair movement barrier after an elevator is additionally installed, thereby providing a solution for solving the embarrassment when the wheelchair faces a non-barrier stair; namely, the bearing platform at the lower end of the bearing hanging plate has a load-bearing function, can bear the wheelchair, the user and even the pusher, and performs oblique lifting motion along the track fixing plate parallel to the step slope surface, so that barrier-free transfer of the wheelchair and the user is realized, and the wheelchair and the user can go out more conveniently; the device has the advantages of low production cost, convenient and quick installation, wide application range and higher practical value and popularization value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Specifically, the following are mentioned: the embodiment is exemplified by taking a multi-storey residential stairwell with an elevator as an implementation place.

Fig. 1 is an internal structure diagram of the barrier-free step climbing device according to an embodiment of the present invention.

Fig. 2 is a front view of the barrier-free step climbing device according to an embodiment of the present invention.

Fig. 3 is a control circuit diagram of the barrier-free step climbing device according to an embodiment of the present invention.

Fig. 4 is a schematic view of the installation in a building of the barrier-free step climbing device according to the embodiment of the present invention.

Fig. 5 is a schematic view of the installation in a building of the barrier-free step climbing device according to the embodiment of the present invention.

Description of the drawings: the device comprises a bearing hanging plate 100, a bearing platform 200, a track fixing plate 300, a driving gear 400, a transmission belt 500, a speed reducer 600, a driving motor 700, a track rack 800, a base plate 900, an inclined pulley 1000, a fixing bolt 1100, a rotating guardrail 1200, a first driving push-pull rod 1300, a wheel protection plate 1400, a protective cover 1500, a control button 1600, elevator equipment 1700 and a supporting wheel set 1800.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The accessible of this embodiment provides climbs step device, is suitable for the place of arranging to include: the wheelchair is arranged in a multi-storey residential staircase without a step area of an obstacle-free ramp and cannot climb the stairs after the elevator is additionally arranged; the latter is now exemplified as follows.

Referring to fig. 1 to 5, the present embodiment specifically includes a carrying hanging plate 100, a driving mechanism and a track mechanism; the bearing hanging plate 100 is erected along the wall and can slide towards two sides, and the lower end of the bearing hanging plate is provided with a bearing platform 200 extending outwards; the driving mechanism comprises at least one driving gear 400 which is arranged at the upper end of the bearing hanging plate 100 and arranged along the sliding direction of the bearing hanging plate 100, the driving gear 400 is in transmission connection with the output end of a speed reducer 600 arranged in the bearing hanging plate 100 through a transmission belt 500, and the input end of the speed reducer 600 is in transmission connection with a driving motor 700; the track mechanism comprises a track fixing plate 300 arranged along the sliding direction of the bearing hanging plate 100, the track fixing plate 300 is fixed on the wall surface, a track rack 800 capable of being meshed with the driving gear 400 is arranged on the front surface of the track fixing plate 300, and the driving motor 700 can drive the bearing hanging plate 100 to slide in a reciprocating mode along the arrangement direction of the track rack 800 during operation.

As shown in fig. 1 to 5, in the present embodiment, the rail fixing plate 300 is installed and fixed on the corresponding wall surface of the staircase, and the rail fixing plate 300 is installed parallel to the inclined surface of the staircase; the installation length of the rail fixing plate 300 depends on the number of steps of the stairs, namely, the required stroke of the bearing hanging plate 100; the installation height of the track fixing plate 300 is the design height of the bearing hanging plate 100, and the height is generally not lower than 1.9 m on the principle that the height does not hinder the walking of a stair walker; a plurality of fixing bolts 1100 which are arranged at intervals are arranged on the track fixing plate 300, and expansion bolts are generally adopted; the carrying platform 200 positioned at the lower end of the carrying hanging plate 100 is used for carrying disabled persons and travel tools of the disabled persons; the driving motor 700 of the driving mechanism drives the speed reducer 600, and the driving belt 500 transmits power to the driving gear 400; the driving gear 400 obtains a reaction force from the rail rack 800 to drive the bearing hanging plate 100 to perform an oblique lifting motion along the rail fixing plate 300, and the bearing platform 200 is finally in a horizontal state during the motion, so that the wheelchair and the user can realize a stable barrier-free transfer, and the disabled can go out more conveniently.

As shown in fig. 1 to 5, in order to ensure that the bearing hanging plate 100 can bear sufficient load and can stably run along the arrangement direction of the track fixing plate 300, in the embodiment, a base plate 900 with an L-shaped cross section is provided on the front surface of the track fixing plate 300, the base plate 900 is arranged along the track rack 800, and the inner side surface of the base plate 900 is in rolling fit with a plurality of obliquely-arranged pulleys 1000 provided at the top of the bearing hanging plate 100; in this embodiment, a supporting wheel set 1800 capable of being in rolling fit with the contact surface is further disposed on the surface of the bearing hanging plate 100 opposite to the rail fixing plate 300, and the supporting wheel set 1800 is located at the lower portion of the bearing hanging plate 100. Thus, the gravity of the gravity superposed load of the bearing platform 200 and the rotating force system taking the supporting wheel set 1800 as a fulcrum form a positive torque, an equivalent negative torque is obtained above the force system through the inclined pulley 1000 in rolling fit with the base strip 900, and the positive torque and the negative torque achieve dynamic balance, so that the device is ensured to realize a stable wheelchair-carrying stair climbing function.

As shown in fig. 1 to 3, in order to improve the safety of the wheelchair carried by the device, a rotary guard bar 1200 is further arranged on the carrying hanging plate 100; the two ends of the rotating guardrail 1200 are rotatably connected with the bearing hanging plate 100, a first driving push-pull rod 1300 for driving the rotating guardrail 1200 to rotate is arranged in the bearing hanging plate 100, and the rotating guardrail 1200 can rotate to a position parallel to the bearing platform 200 or coincident with the bearing hanging plate 100; when the rotating guardrail 1200 is parallel to the bearing platform 200, the wheelchair on the bearing platform 200 can be enclosed; when the guard rail 1200 rotates to coincide with the bearing hanging plate 100, the wheelchair can conveniently go up and down the bearing platform 200; meanwhile, the wheel guard 1400 is rotatably arranged at the end of the bearing platform 200; the wheel protection plate 1400 is connected with a second driving push-pull rod for driving the wheel protection plate 1400 to rotate; the wheel guard 1400 automatically maintains the upright position during the movement of the bearing hanging plate 100, preventing the wheelchair from slipping out of the bearing platform 200; when the hanging plate 100 returns to the initial position, i.e. stops on the half-layer platform, the wheel guard 1400 is automatically laid flat, so that the wheelchair can roll out of the bearing platform 200.

In practical applications, as shown in figures 1 to 3, it is necessary for the wheelchair user to control the operation and stop of the apparatus; in order to facilitate the operation, this embodiment still provides the control assembly who is used for controlgear operation, and control assembly includes wireless controller and PLC control module, and PLC control module is connected with signal reception module and locates the protection casing 1500 and corresponds the control panel above load-bearing platform 200, be equipped with control button 1600 on wireless controller and the control panel. The wireless controller is used for controlling ascending and descending of the equipment and leveling of the guardrail, the control panel is used for controlling erection of the rotating guardrail and emergency stop of the equipment, and other actions and safety interlocking of the equipment are automatically controlled by the PLC control module.

As shown in fig. 4 and 5, the bearing hanging plate 100 is arranged on a half-floor platform from the home floor of the wheelchair user to the lower half-floor; each time the wheelchair rolls out of the home and faces the stair steps of the lower half floor, only the half-floor platform and the corridor and the elevator hall door connected with the elevator 1700 can be remotely seen; then the wheelchair user presses the up key of the remote controller, presses the first lower bearing hanging plate 100 to be awakened and electrified, presses the second lower wheel protecting plate 1400 to automatically erect, the bearing hanging plate 100 and the bearing platform 200 move upwards, and the wheelchair automatically stops in a flat layer before the wheelchair is inclined to reach; after rolling up the bearing platform 200, pressing the remote controller down key, rotating the guardrail 1200 to rotate and lay flat to enclose the wheelchair, pressing the bearing flat plate 100 down, and stopping automatically after reaching the half-layer platform, and automatically laying the wheel protection plate; when the hand presses the guardrail button 1600 above the protective cover and the rotary guardrail 1200 rotates and erects, the wheelchair can roll out of the load platform 200 and go to the elevator 1700 to continue descending to the downstairs; otherwise, the wheelchair returns home from the elevator below the building, rises to a half-floor platform with half floor left from the home, runs out of the elevator 1700, passes through the corridor, rolls up the bearing platform 200, presses the remote control uplink key once, rotates the guardrail 1200 to rotate and lay flat to enclose the wheelchair, then presses the remote control uplink key, the bearing platform 200 carries the wheelchair to run up and stops automatically when reaching the floor of the house door, presses the guardrail erection button 1600 above the protective cover by hand, rotates the guardrail 1200 to rotate and erect, the wheelchair can roll out the bearing platform 200 and roll home, at the moment, does not forget to press the remote control downlink key, the bearing platform 200 of the bearing platform 100 automatically descends to the half-floor platform to stop automatically, and then no remote control signal is disturbed within 20 seconds, and the power supply of the equipment is cut off automatically; in the process, the problem of semi-storey obstacle existing after the elevator is additionally installed is solved for the wheelchair; the wheelchair user has the right of use of the device by carrying the remote controller with him, and can freely move to and from home and garden. The PLC control technology of this embodiment is a conventional technical solution in the prior art, and will not be described in detail, and those skilled in the art can select a specific model and specification as needed.

In the production application, the bearing hanging plate 100 and the bearing platform 200 are vertically connected with each other, the bearing platform 200 can be a rectangular thin plate, the side length is about 1000mm x900mm, the load design of the bearing platform 200 is a wheelchair, a wheelchair sitting person and a wheelchair pushing person, and the load design is 300 kg. The load is pressed by the supporting wheel set 1800 against the wall surface, and a downward torque of 300x0.5 to 150kgm is formed by using the supporting wheel set 1800 as a fulcrum; the torque balanced with the torque is obtained by the obliquely arranged pulley 1000, and the downward torque enables the bearing platform 200 to bear a cantilever-shaped force, so the material selection of the bearing platform 200 and the connection form with the bearing hanging plate 100 are determined by calculation and tests, and common steel plates, aluminum alloy plates or epoxy resin plates can be selected. The bearing hanging plate 100 can be made into a lattice main body by a plurality of vertical plates, a plurality of transverse plates and inclined plates; the lattice body can resist bending moment formed by the bearing platform 200 and load, a driving mechanism and a PLC (programmable logic controller) are arranged in the lattice, and the protective cover 1500 is arranged outside the lattice. Further, the driving mechanism is composed of a motor 700, a reducer 600, a belt 500, and a driving gear 400; an upper driving wheel and a lower driving wheel are connected in a belt ring of the driving belt 500; the lower transmission wheel is connected to the output shaft of the reducer 600, and the upper transmission wheel is coaxial with the driving wheel 400; the moving speed of the carrying platform 200 is about 5m/min, 5m/min is equal to the rotating speed of the driving motor 700/the speed ratio of the speed reducer 600/the gear ratio of the upper and lower transmission wheels/the number of teeth of the driving gear 400 × the module × 3.14; the speed reducer 600 is preferably a worm gear speed reducer, utilizing its self-locking action. The belt 500 and the drive wheels may be of a chain type or a timing belt type. The down stop circuit of the device is preferably provided with a direct current brake circuit with the action time of about 2 seconds to eliminate inertia.

Before the installation on site, the bearing hanging plate 100 and the bearing platform 200 are separated for convenient transportation, and are connected (welded or connected by bolts) after the installation on site; then, the bearing hanging plate 100 and the bearing platform 200 are placed at the preset position of the half-layer platform, and then the rail fixing plate 300 is installed according to the height of the bearing hanging plate 100 by using the expansion bolt 1100.

The power requirement of the equipment is 220V/3A, a cable can be led out from a 12mm wall hole of the main household drill, and a chain type cable groove is arranged on the upper edge of the rail fixing plate to realize follow-up power supply.

The equipment needs to be electrified and operated in a trial mode before delivery, installation is finally completed, and maintenance needs to be carried out regularly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a barrier-free step climbing device which characterized in that: comprises a bearing hanging plate (100), a driving mechanism and a track mechanism;

the lower end of the bearing hanging plate (100) is provided with a bearing platform (200) extending towards the outer side of the bearing hanging plate (100);

the driving mechanism comprises at least one driving gear (400) which is arranged at the upper end of the bearing hanging plate (100) and arranged along the sliding direction of the bearing hanging plate (100), the driving gear (400) is in transmission connection with the output end of a speed reducer (600) arranged in the bearing hanging plate (100) through a transmission belt (500), and the input end of the speed reducer (600) is in transmission connection with a driving motor (700);

the track mechanism includes track fixed plate (300) of arranging along bearing link plate (100) slip direction, track fixed plate (300) with bear link plate (100) relative surface be equipped with can with drive gear (400) engaged with track rack (800), driving motor (700) can drive when moving and bear link plate (100) and arrange the direction along track fixed plate (300) and slide reciprocating.

2. The barrier-free step climbing device according to claim 1, wherein: the surface that track fixed plate (300) and bear link plate (100) are relative still is equipped with base plate (900) that the cross-section is L shape, base plate (900) are arranged along track rack (800), base plate (900) medial surface with locate to bear and establish pulley (1000) roll fit to one side of link plate (100) top.

3. The barrier-free step climbing device according to claim 1, wherein: the surface of the bearing hanging plate (100) opposite to the rail fixing plate (300) is also provided with a supporting wheel set (1800) which can be in rolling fit with the contact surface, and the supporting wheel set (1800) is positioned at the lower part of the bearing hanging plate (100).

4. The barrier-free step climbing device according to claim 1, wherein: bear and still be equipped with on link plate (100) and rotate guardrail (1200), it rotates guardrail (1200) both ends and bears link plate (100) and rotate and be connected, it rotates guardrail (1200) pivoted first drive push-and-pull rod (1300) to be equipped with the drive in link plate (100), it can rotate guardrail (1200) to parallel or with bear link plate (100) coincidence position mutually with load-bearing platform (200).

5. The barrier-free step climbing device according to claim 1, wherein: reinforcing ribs which are arranged in a grid manner are arranged in the bearing hanging plate (100).

6. The barrier-free step climbing device according to claim 1, wherein: the end part of the bearing platform (200) is provided with a rotatable wheel guard plate (1400), and the wheel guard plate (1400) is connected with a second driving push-pull rod for driving the wheel guard plate (1400) to rotate.

7. The barrier-free step climbing device according to claim 1, wherein: the track fixing plate (300) is also provided with a plurality of fixing bolts (1100) which are arranged at intervals.

8. The barrier-free step climbing device according to claim 1, wherein: the outer side of the bearing hanging plate (100) is also provided with a protective cover (1500).

9. An obstacle-free step climbing apparatus according to any one of claims 1 to 8, wherein: still include control assembly, control assembly includes wireless controller and PLC control module, and PLC control module is connected with signal reception module and locates protection casing (1500) and corresponds the control panel of load-bearing platform (200) top, be equipped with control button (1600) on wireless controller and the control panel.