CN112707278A - Accessible firm elevating gear - Google Patents

Accessible firm elevating gear Download PDF

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Publication number
CN112707278A
CN112707278A CN202110054401.5A CN202110054401A CN112707278A CN 112707278 A CN112707278 A CN 112707278A CN 202110054401 A CN202110054401 A CN 202110054401A CN 112707278 A CN112707278 A CN 112707278A
Authority
CN
China
Prior art keywords
groove
rod
bevel gear
block
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110054401.5A
Other languages
Chinese (zh)
Inventor
封聿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Duoke E Commerce Co ltd
Original Assignee
Nanjing Duoke E Commerce Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Duoke E Commerce Co ltd filed Critical Nanjing Duoke E Commerce Co ltd
Priority to CN202110054401.5A priority Critical patent/CN112707278A/en
Publication of CN112707278A publication Critical patent/CN112707278A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/006—Applications of loading and unloading equipment for lifts associated with buildings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0807—Driving mechanisms
    • B66B9/0823—Screw and nut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0853—Lifting platforms, e.g. constructional features

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a barrier-free stable lifting device, which comprises a lifting platform, wherein the upper end surface of the lifting platform is fixedly provided with a lifting plate, the upper side of a stair slope and the front side of the lifting platform are respectively and fixedly provided with a slope block, a working cavity is arranged in the lifting platform, a bevel gear cavity is arranged on the right side of the working cavity in the lifting platform, the rack plate is arranged on the top wall of the working cavity in a left-right sliding manner, four sliding grooves with upward openings are respectively arranged on the upper side of the working cavity in the lifting platform, the wheels can be automatically locked through the fixed block, the wheelchair is prevented from sliding, the guard bar is turned down, protect the disabled person better, make the notice board stretch out simultaneously, accessible rotation wheel makes the notice board reciprocating motion about the in-process that the elevating platform rises, indicates passing pedestrian, prevents that the pedestrian from blocking the lift passageway.

Description

Accessible firm elevating gear
Technical Field
The invention relates to the related field of elevators, in particular to an accessible and stable lifting device.
Background
The barrier-free elevator is specially designed and manufactured for the disabled, is installed beside an escalator in places such as communities, hospitals, schools, hotels and public places for facilitating the traveling and sightseeing of the disabled, can accommodate the wheelchair to go in and out, but the general elevator has no way to fix the wheelchair, does not have effective guarantee for the safety of the disabled and has great potential safety hazards.
Disclosure of Invention
Aiming at the technical defects, the invention provides a barrier-free stable lifting device which can overcome the defects.
The invention relates to an accessible and stable lifting device, which comprises a lifting platform, wherein a lifting plate is fixedly arranged on the upper end surface of the lifting platform, inclined blocks are respectively and fixedly arranged on the inclined upper side of a stair and the front side of the lifting platform, a working chamber is arranged in the lifting platform, a bevel gear chamber is arranged on the right side of the working chamber in the lifting platform, rack plates are arranged on the top wall of the working chamber in a left-right sliding manner, four sliding grooves with upward openings are respectively arranged on the upper side of the working chamber in the lifting platform, cylinders are respectively and rotatably arranged on the lower sides of the sliding grooves on the bottom wall of the working chamber, spiral grooves are arranged on the annular wall of each cylinder, a driving wheel is fixedly arranged on the outer wall of each cylinder, a sliding block is vertically and slidably arranged in each sliding groove, a sliding rod is fixedly connected with the lower end surface of each sliding rod, one part of each sliding rod, the sliding groove is communicated with a fixed groove at one side close to the center of the lifting platform, the bottom wall of the fixed groove is slidably provided with a fixed block extending into the sliding groove, one end face of the fixed block close to the rack plate is fixedly connected with a spring, one end of the spring far away from the fixed block is fixedly connected with the side wall of the fixed groove, the right side wall of the lifting platform is fixedly provided with a power motor, the left side of the power motor is in power connection with a motor shaft which is penetrated and rotationally connected with the wall body between the bevel gear cavity and the working cavity, the motor shaft is in threaded connection with two movable rods which are in sliding fit with the bottom wall of the working cavity in the working cavity, the upper end face of each movable rod is rotatably provided with a movable shaft, the movable shaft is fixedly provided with an elliptical block and a movable wheel meshed with the rack plate, the movable wheel is positioned at the upper side of the elliptical block, the bottom wall of the moving groove is slidably provided with a rack bar extending out of the moving groove, the upper end surface of the oval block is respectively and rotatably connected with two connecting rods at the left side and the right side of the moving shaft, one end of the connecting rod, which is far away from the elliptical block, is rotatably connected with the upper end surface of the rack rod, the front end surface of the rack plate is fixedly connected with a fixed rod which penetrates through the lifting platform, a pulling rod is fixedly connected with the rear end face of the rack plate, one end of the pulling rod, which is far away from the rack plate, is fixedly connected with a positioning rod, a pull block groove which penetrates through the positioning rod up and down is arranged in the positioning rod, a positioning shaft is rotatably arranged on the bottom wall of the working cavity at the rear side of the pull rod, the positioning shaft is fixedly provided with a positioning wheel, the upper end surface of the positioning wheel is fixedly provided with a pull block which is in sliding fit with the pull block groove, the side wall communicates the push rod groove behind the working chamber, the terminal surface rotates under the locating wheel to be connected with and stretches out through the push rod groove the dwang of elevating platform.
Beneficially, the motor shaft in the bevel gear intracavity fixed mounting have a drive bevel gear, the lifter plate is equipped with the guard bar groove that the opening is left, the lifter plate in guard bar groove downside is equipped with the control chamber, control chamber right side wall intercommunication has the gear groove, the wall body between bevel gear chamber and the control chamber runs through and the swivelling joint has a bevel gear axle, the bevel gear axle in bevel gear intracavity fixed mounting have with the driven bevel gear of drive bevel gear meshing, the bevel gear axle in control intracavity fixed mounting have action wheel and transmission bevel gear, the bevel gear axle is located the action wheel upside.
Advantageously, a gear shaft is fixedly arranged on the bottom wall of the control cavity at the front side of the bevel gear shaft, a driven wheel meshed with the driving wheel is rotatably arranged on the gear shaft, a rotating shaft is fixedly arranged on the bottom wall of the control cavity at the front side of the gear shaft, a rotating wheel which extends out of the motor shaft through the gear groove and is meshed with the wall is rotatably arranged on the rotating shaft, the front wall of the control cavity is communicated with a swing rod groove which penetrates through the front and the back, the top wall of the swing rod groove is provided with a swing rod in a sliding way, one end of the oscillating rod in the control cavity is fixedly connected with a push block, one part of the oscillating rod in the control cavity is provided with an oscillating groove which penetrates up and down, the push block is provided with a push block groove which penetrates through the push block from top to bottom, a push rod which is in sliding fit with the push block groove is fixedly installed on the upper end face of the driven wheel, and a rotating block which is in sliding fit with the swing groove is fixedly installed on the upper end face of the rotating wheel.
Advantageously, a guard bar shaft is connected through and rotatably to the wall between the control chamber and the guard bar groove, and a U-shaped guard bar is fixedly connected to the guard bar shaft in the guard bar groove.
Beneficially, the wall is provided with a groove with a leftward opening on the right side of the lifting plate, the wall is fixedly provided with a lifting motor on the upper side of the stair, the front side of the lifting motor is dynamically connected with a threaded rod extending into the groove, and the right end face of the lifting plate is fixedly connected with a moving block which is in threaded connection with the threaded rod and is in sliding fit with the groove.
The beneficial effects are that: this device is when the wheelchair on the elevating platform, and the accessible fixed block is automatic to carry out the locking to the wheel, prevents that the wheelchair from sliding to make the fender rod upset get off, protect the disabled person better, make the notice board stretch out simultaneously, the in-process accessible that the elevating platform rises rotates the wheel and makes the notice board reciprocating motion about, indicates to passing pedestrian, prevents that the pedestrian from blocking the lift passageway.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a barrier-free stable lifting device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 3.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an obstacle-free stable lifting device, which comprises a lifting platform 22, wherein a lifting plate 13 is fixedly arranged on the upper end surface of the lifting platform 22, inclined blocks 59 are respectively and fixedly arranged on the inclined upper side of a stair and the front side of the lifting platform 22, a working chamber 40 is arranged in the lifting platform 22, a bevel gear chamber 26 is arranged on the right side of the working chamber 40 in the lifting platform 22, a rack plate 39 is arranged on the top wall of the working chamber 40 in a left-right sliding manner, four sliding grooves 36 with upward openings are respectively arranged on the upper side of the working chamber 40 in the lifting platform 22, a cylinder 29 is respectively and rotatably arranged on the lower side of the sliding groove 36 on the bottom wall of the working chamber 40, a spiral groove 28 is arranged on the annular wall of the cylinder 29, a driving wheel 53 is fixedly arranged on the outer wall of the cylinder 29, a sliding block 37 is vertically and slidably arranged in the sliding groove 36, the slide bar 38 has a bend in the working chamber 40, the lower end of the slide bar 38 is in sliding fit with the spiral groove 28, the slide groove 36 is communicated with a fixing groove 43 near the center of the lifting platform 22, a fixing block 42 extending into the slide groove 36 is slidably mounted on the bottom wall of the fixing groove 43, the fixing block 42 is close to one side end face of the rack plate 39 and is fixedly connected with a spring 41, one end of the spring 41 far away from the fixing block 42 is fixedly connected to the side wall of the fixing groove 43, the right side wall of the lifting platform 22 is fixedly mounted with a power motor 24, the power motor 23 on the left side of the power motor 24 is connected with a motor shaft 23 penetrating through and rotatably connecting the wall between the bevel gear chamber 26 and the working chamber 40, the motor shaft 23 is internally threaded with two moving rods 31 in the working chamber 40 and in sliding fit with the bottom wall of the working chamber 40, and a moving shaft 32, the movable shaft 32 is fixedly provided with an elliptical block 33 and a movable wheel 30 meshed with the rack plate 39, the movable wheel 30 is positioned on the upper side of the elliptical block 33, the movable rod 31 is respectively provided with two movable grooves 52 with openings facing away from the rack plate 39, the bottom wall of each movable groove 52 is slidably provided with a rack rod 35 extending out of the corresponding movable groove 52, the upper end face of the elliptical block 33 is respectively and rotatably connected with two connecting rods 34 on the left side and the right side of the movable shaft 32, one end of each connecting rod 34 far away from the elliptical block 33 is rotatably connected with the upper end face of the corresponding rack rod 35, the front end face of the rack plate 39 is fixedly connected with a fixed rod 51 penetrating through the lifting platform 22, the rear end face of the rack plate 39 is fixedly connected with a pulling rod 49, one end of the pulling rod 49 far away from the rack plate 39 is fixedly connected with a positioning rod 48, and a, working chamber 40 diapire in pull rod 49 rear side rotates and installs location axle 46, location axle 46 fixed mounting has locating wheel 45, locating wheel 45 up end fixed mounting have with pull block groove 69 sliding fit's pull block 44, working chamber 40 rear side wall intercommunication push rod groove 70, terminal surface rotates under the locating wheel 45 to be connected with and stretches out through push rod groove 70 the dwang 47 of elevating platform 22.
Advantageously, the motor shaft 23 is fixedly provided with a driving bevel gear 25 in the bevel gear cavity 26, the lifting plate 13 is provided with a guard bar slot 11 with a left opening, the lifting plate 13 is provided with a control cavity 64 on the lower side of the guard bar slot 11, the right side wall of the control cavity 64 is communicated with a gear slot 71, a bevel gear shaft 20 penetrates through and is rotatably connected to the wall body between the bevel gear cavity 26 and the control cavity 64, the bevel gear shaft 20 is fixedly provided with a driven bevel gear 27 engaged with the driving bevel gear 25 in the bevel gear cavity 26, the bevel gear shaft 20 is fixedly provided with a driving gear 21 and a transmission bevel gear 18 in the control cavity 64, and the bevel gear shaft 20 is located on the upper side of the driving gear 21.
Advantageously, a gear shaft 62 is fixedly mounted on the bottom wall of the control cavity 64 at the front side of the bevel gear shaft 20, a driven wheel 63 engaged with the driving wheel 21 is rotatably mounted on the gear shaft 62, a rotating shaft 58 is fixedly mounted on the bottom wall of the control cavity 64 at the front side of the gear shaft 62, a rotating wheel 57 extending out of the motor shaft 23 through the gear groove 71 and engaged with the wall is rotatably mounted on the rotating shaft 58, a swing rod groove 74 penetrating through the front and the rear is communicated with the front wall of the control cavity 64, a swing rod 55 is slidably mounted on the top wall of the swing rod groove 74, a push block 60 is fixedly connected to one end of the swing rod 55 in the control cavity 64, a part of the swing rod 55 in the control cavity 64 is provided with a swing groove 67 penetrating through the upper and the lower, the push block 60 is provided with a push block groove 66 penetrating through the upper and the lower, a push rod 61 slidably engaged with the push, and a rotating block 56 in sliding fit with the swinging groove 67 is fixedly arranged on the upper end surface of the rotating wheel 57.
Advantageously, the wall between the control chamber 64 and the guard bar slot 11 is penetrated and rotatably connected with a guard bar shaft 14, and the guard bar shaft 14 is fixedly connected with a U-shaped guard bar 12 in the guard bar slot 11.
Beneficially, a groove 17 with a leftward opening is formed in the right side of the lifting plate 13 of the wall, a lifting motor 65 is fixedly installed on the upper side of the stair, a threaded rod 16 extending into the groove 17 is dynamically connected to the front side of the lifting motor 65, and a moving block 19 which is in threaded connection with the threaded rod 16 and is in sliding fit with the groove 17 is fixedly connected to the right end face of the lifting plate 13.
In an initial state, the U-shaped guard bar 12 is positioned in the guard bar groove 11, the upper end surface of the sliding block 37 is flush with the upper end surface of the lifting platform 22, and the prompt plate 54 is tightly attached to the lifting plate 13;
when the wheelchair starts to work, the wheelchair is pushed on the upper end face of the lifting platform 22, four wheels of the wheelchair are positioned on the upper end face of the sliding block 37, so that the sliding block 37 moves downwards, the sliding block 37 drives the sliding rod 38 to move downwards, the sliding rod 38 drives the cylinder 29 to rotate, the sliding block 37 moves downwards to drive the fixed block 42 to move towards the direction close to the rack plate 39, the spring 41 is compressed, the sliding block 37 continues to move downwards to be separated from the fixed block 42, and the fixed block 42 moves towards the direction far away from the rack plate 39 under the action of the spring 41 to lock the wheels.
The power motor 24 is started in a forward direction, the power motor 24 drives the motor shaft 23 to rotate, the motor shaft 23 drives the driving bevel gear 25 to rotate, the motor shaft 23 drives the two movable rods 31 to move towards one side close to the working cavity 40, the movable rods 31 drive the movable wheels 30 to move towards one side close to the working cavity 40 through the movable shafts 32 so that the movable wheels 30 are meshed with the rack plates 39, the driving bevel gear 25 drives the bevel gear shaft 20 to rotate through the driven bevel gears 27, the bevel gear shaft 20 drives the driving wheel 21 and the transmission bevel gear 18 to rotate, the transmission bevel gear 18 drives the guard bar shaft 14 to rotate through the power bevel gear 15, the guard bar shaft 14 drives the U-shaped guard bar 12 to turn to be horizontal, the driving wheel 21 drives the driven wheel 63 to rotate, the driven wheel 63 drives the pushing block 60 to move forwards through the pushing rod 61, and the pushing block.
The power motor 24 is turned off, the lifting motor 65 is started in the forward direction, the lifting platform 22 moves from the upper side to the lower side of the stair, the lifting motor 65 drives the threaded rod 16 to rotate, the threaded rod 16 rotates to drive the moving block 19 to move downwards, the moving block 19 drives the lifting platform 22 to move downwards through the lifting plate 13, the lifting platform 22 moves downwards to drive the rotating wheel 57 meshed with the wall to rotate, and the rotating wheel 57 drives the prompting plate 54 to reciprocate left and right through the swinging rod 55.
The fixed rod 51 moves backwards due to the reaction force of the inclined block 59, the fixed rod 51 drives the rack plate 39 to move backwards, the rack plate 39 drives the movable wheel 30 to rotate, the movable wheel 30 drives the elliptical block 33 to rotate through the movable shaft 32, the elliptical block 33 drives the rack bar 35 to move in the direction close to one side of the transmission wheel 53 through the connecting rod 34, so that the rack bar 35 is meshed with the transmission wheel 53, the power motor 24 is reversely started, the power motor 24 drives the motor shaft 23 to rotate, the motor shaft 23 drives the driving bevel gear 25 to rotate, the motor shaft 23 drives the two movable rods 31 to move towards one side far away from the working cavity 40, the movable rod 31 drives the transmission wheel 53 to rotate through the rack bar 35, the transmission wheel 53 drives the cylinder 29 to rotate, the cylinder 29 drives the slide rod 38 to move upwards, the slide rod 38 drives the slide block 37 to move upwards, the slide block 37 moves upwards to drive the fixed block 42 to move towards, the wheels are unlocked, the driving bevel gear 25 drives the bevel gear shaft 20 to rotate through the driven bevel gear 27, the bevel gear shaft 20 drives the driving wheel 21 and the driving bevel gear 18 to rotate, the driving bevel gear 18 drives the guard bar shaft 14 to rotate through the power bevel gear 15, the guard bar shaft 14 drives the U-shaped guard bar 12 to turn over into the guard bar groove 11, the driving wheel 21 drives the driven wheel 63 to rotate, the driven wheel 63 drives the push block 60 to move backwards through the push rod 61, the push block 60 drives the prompt board 54 to move backwards through the swing rod 55, and the wheelchair can be pushed to leave the lifting platform 22.
When the lifting motor 65 is reversely started, the lifting platform 22 moves from the lower side to the upper side of the staircase, the rotating rod 47 moves backwards due to the reaction force of the inclined block 59, the rotating rod 47 drives the positioning wheel 45 to rotate, the positioning wheel 45 drives the pulling block 44 to rotate, the pulling block 44 drives the positioning rod 48 to move backwards through the pulling block slot 69, the positioning rod 48 drives the pulling rod 49 to move backwards, the pulling rod 49 drives the rack plate 39 to move backwards, the rack plate 39 drives the moving wheel 30 to rotate, the moving wheel 30 drives the elliptical block 33 to rotate through the moving shaft 32, the elliptical block 33 drives the rack bar 35 to move in the direction approaching to one side of the driving wheel 53 through the connecting rod 34, so that the rack bar 35 is meshed with the driving wheel 53, the power motor 24 is reversely started, the power motor 24 drives the motor shaft 23 to rotate, the motor shaft 23 drives the driving bevel gear 25 to rotate, the motor shaft 23 drives the two moving rods 31, the moving rod 31 drives the driving wheel 53 to rotate through the rack rod 35, the driving wheel 53 drives the cylinder 29 to rotate, the cylinder 29 drives the sliding rod 38 to move upwards, the sliding rod 38 drives the sliding block 37 to move upwards, the sliding block 37 moves upwards to drive the fixed block 42 to move towards the direction close to the rack plate 39 and simultaneously drive the wheels to move upwards, so that the wheels are unlocked, the driving bevel gear 25 drives the bevel gear shaft 20 to rotate through the driven bevel gear 27, the bevel gear shaft 20 rotates to drive the driving wheel 21 and the driving bevel gear 18 to rotate, the driving bevel gear 18 drives the guard bar shaft 14 to rotate through the power bevel gear 15, the guard bar shaft 14 drives the U-shaped guard bar 12 to turn into the guard bar groove 11, the driving wheel 21 drives the driven wheel 63 to rotate, the driven wheel 63 drives the pushing block 60 to move backwards through the pushing rod 61, and the pushing block 60 drives the prompting plate 54 to move.
After the operation is completed, the elevator motor 65 is stopped, and the apparatus is restored to the initial state.
Has the advantages that: this device is when the wheelchair on the elevating platform, and the accessible fixed block is automatic to carry out the locking to the wheel, prevents that the wheelchair from sliding to make the fender rod upset get off, protect the disabled person better, make the notice board stretch out simultaneously, the in-process accessible that the elevating platform rises rotates the wheel and makes the notice board reciprocating motion about, indicates to passing pedestrian, prevents that the pedestrian from blocking the lift passageway.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (5)

1. The utility model provides a stable elevating gear of accessible, includes elevating platform, its characterized in that: the upper end face of the lifting platform is fixedly provided with a lifting plate, the inclined block is respectively fixedly arranged on the inclined upper side of the stair and the front side of the lifting platform, a working cavity is arranged in the lifting platform, the right side of the working cavity in the lifting platform is provided with a bevel gear cavity, the top wall of the working cavity is provided with a rack plate in a left-right sliding manner, the upper side of the working cavity in the lifting platform is respectively provided with four sliding grooves with upward openings, the bottom wall of the working cavity is respectively and rotatably provided with a cylinder at the lower side of the sliding grooves, the circular wall of the cylinder is provided with a spiral groove, the outer wall of the cylinder is fixedly provided with a driving wheel, a sliding block is vertically and slidably arranged in the sliding grooves, the lower end face of the sliding block is fixedly connected with a sliding rod, the sliding rod is provided with a bend in the working cavity, the lower end of the sliding rod, the fixed groove bottom wall is provided with a fixed block extending into the sliding groove in a sliding manner, one side end face of the fixed block close to the rack plate is fixedly connected with a spring, one end of the spring is far away from the fixed block and is fixedly connected with the side wall of the fixed groove, the right side wall of the lifting platform is fixedly provided with a power motor, the left side of the power motor is in power connection with a motor shaft penetrating through and rotatably connected with the bevel gear cavity and the wall body between the working cavities, the motor shaft is in threaded connection with two moving rods in the working cavities in sliding fit with the bottom wall of the working cavities, the upper end face of each moving rod is rotatably provided with a moving shaft, the moving shaft is fixedly provided with an elliptical block and a moving wheel meshed with the rack plate, the moving wheel is positioned on the upper side of the elliptical block, the moving rod is respectively provided with two moving grooves with openings facing away from the rack plate, oval piece up end in the removal axle left and right sides rotates respectively and is connected with two connecting rods, the connecting rod is kept away from oval piece one end rotate connect in rack bar up end, the terminal surface fixedly connected with runs through before the rack board the dead lever of elevating platform, rack board rear end face fixedly connected with pulling rod, pulling rod keeps away from rack board one end fixedly connected with locating lever, be equipped with the pulling block groove that runs through from top to bottom in the locating lever, the working chamber diapire in pulling rod rear side rotates and installs the location axle, location axle fixed mounting has the locating wheel, the locating wheel up end fixed mounting have with pulling block groove sliding fit's pulling block, working chamber rear side wall intercommunication push rod groove, the terminal surface rotates to be connected with and stretches out through the push rod groove under the locating wheel the dwang of elevating platform.
2. An obstacle-free stabilized lifting device as claimed in claim 1, characterized in that: the motor shaft in bevel gear intracavity fixed mounting has drive bevel gear, the lifter plate is equipped with the opening and protects the pole groove to the left, the lifter plate in protect pole groove downside to be equipped with the control chamber, control chamber right side wall intercommunication has the gear groove, bevel gear chamber with wall body between the control chamber runs through and the swivelling joint has a bevel gear axle, the bevel gear axle in bevel gear intracavity fixed mounting have with the driven bevel gear of drive bevel gear meshing, the bevel gear axle in control intracavity fixed mounting has action wheel and transmission bevel gear, the bevel gear axle is located the action wheel upside.
3. An obstacle-free stabilized lifting device as claimed in claim 2, characterized in that: a gear shaft is fixedly arranged on the bottom wall of the control cavity at the front side of the bevel gear shaft, a driven wheel meshed with the driving wheel is rotatably arranged on the gear shaft, a rotating shaft is fixedly arranged on the bottom wall of the control cavity at the front side of the gear shaft, a rotating wheel which extends out of the motor shaft through the gear groove and is meshed with the wall is rotatably arranged on the rotating shaft, the front wall of the control cavity is communicated with a swing rod groove which penetrates through the front and the back, the top wall of the swing rod groove is provided with a swing rod in a sliding way, one end of the oscillating rod in the control cavity is fixedly connected with a push block, one part of the oscillating rod in the control cavity is provided with an oscillating groove which penetrates up and down, the push block is provided with a push block groove which penetrates through the push block from top to bottom, a push rod which is in sliding fit with the push block groove is fixedly installed on the upper end face of the driven wheel, and a rotating block which is in sliding fit with the swing groove is fixedly installed on the upper end face of the rotating wheel.
4. An obstacle-free stabilized lifting device as claimed in claim 3, characterized in that: and a wall body between the control cavity and the guard bar groove penetrates through the control cavity and is rotatably connected with a guard bar shaft, and the guard bar shaft is fixedly connected with a U-shaped guard bar in the guard bar groove.
5. An obstacle-free stabilized lifting device as claimed in claim 4, characterized in that: the wall is provided with a groove with a leftward opening on the right side of the lifting plate, the wall is fixedly provided with a lifting motor on the upper side of the stair, the front side of the lifting motor is dynamically connected with a threaded rod extending into the groove, and the right end face of the lifting plate is fixedly connected with a moving block which is in threaded connection with the threaded rod and is in sliding fit with the groove.
CN202110054401.5A 2021-01-15 2021-01-15 Accessible firm elevating gear Withdrawn CN112707278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110054401.5A CN112707278A (en) 2021-01-15 2021-01-15 Accessible firm elevating gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110054401.5A CN112707278A (en) 2021-01-15 2021-01-15 Accessible firm elevating gear

Publications (1)

Publication Number Publication Date
CN112707278A true CN112707278A (en) 2021-04-27

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CN202110054401.5A Withdrawn CN112707278A (en) 2021-01-15 2021-01-15 Accessible firm elevating gear

Country Status (1)

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CN (1) CN112707278A (en)

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Application publication date: 20210427

WW01 Invention patent application withdrawn after publication