CN208184103U - A kind of intelligent step of walking ladder - Google Patents

Abstract

The utility model discloses a kind of intelligent steps of walking ladder, and step includes pedal, PLC and lifting device, and lifting device includes upper plate and lower plate；Pressure sensor is equipped between pedal and upper plate；Upper plate and lower plate are parallel to each other, and the position difference of upper plate and lower plate opposite face close to two sides is equipped with scissor arms parallel to each other vertically, and two scissor arms tops and bottom end are in rolling contact with upper plate and lower plate respectively；Lifting device further includes the limiting device of the direct current generator being set on lower plate and limitation upper plate adjustable height；Direct current generator output end is rotatably connected to ball-screw by reduction gearbox, the hand of spiral at ball-screw both ends on the contrary, ball-screw to prolong lower plate length direction horizontal positioned and be set between two scissor arms；Ball-screw both ends are arranged with respectively rotates matched nut with it, and lead screw crossbeam is arranged on nut, and lead screw crossbeam both ends are rotatablely connected with the opposite face of two scissor arms bottom ends respectively by shaft.

Description

A kind of intelligent step of walking ladder

Technical field

The utility model relates to steps technical fields, and in particular to a kind of intelligent step of walking ladder.

Background technique

Walking walking ladder is the activity for consuming very much physical efficiency, according to related test data it is found that people is in upper walking ladder When consumed energy be about to walk 25 times of level line or so, when lower walking ladder, consumed energy was about 1/ to go upstairs 3 or so.Especially continuously walking multistage walking ladder just needs pedestrian to have more strong constitution that can just complete；In normal life Everybody is ready to walk level road and row step ladder of being unwilling to go away, only conscious to carry out some physical fitness trainings；It often goes away row Walking ladder is irreversible to the damage of knee；The low layer or multilayer private residence of China are generally not provided with elevator at present, and upper go downstairs can only By walking ladder, it is certain inconvenient and puzzled to cause to upper people downstairs, and in addition the gradually arrival of Aged in China degree is given The old man lived in low layer or multilayer residential building causes big inconvenience and puzzlement.Simultaneously walk walking ladder also to constitution compared with Weak crowd brings the difficulty of stair activity；For being equipped with the high residential building of elevator, Super high-rise dwelling house, office building or public The building such as facility can reach destination by taking elevator, and elevator has also manufactured many tragedies while providing and facilitating, For example the declaration of an accident such as " eating elevator for people ", " stranded elevator " have occurred and that and much rise, and the disasters such as fire, earthquake in addition are occurring When be do not allow take elevator escape, can only be escaped by walking ladder；When the personnel using elevator are more or target building Layer not will increase the time for waiting elevator and taking elevator simultaneously, when using elevator personnel are less or a people but cause money The waste in source；All it is ready that the tourist attraction to various regions is spent a holiday whenever vacation, but many scenic spots are gone always to have " very later It is tired " exclamation affect the mood of sightseeing because the long walking ladders of those length consume too many physical efficiency in scenic spot.

Utility model content

The purpose of this utility model is to provide a kind of intelligent step of walking ladder, to solve it is existing walk walking ladder consumption Can be big, taking elevator can not be riding when occasionally having disastrous accident generation, generation disaster；Passenger is more or destination compares point The problem of spending more time to wait or take, energy waste is caused when passenger is less is needed when scattered.

To achieve the above object, the technical solution of the utility model is

A kind of intelligent step of walking ladder, the step include pedal, intelligent controller and lifting device, the lifting dress It sets including upper plate and lower plate；Pressure sensor is equipped between the pedal and the upper plate；The upper plate and bottom Plate is parallel to each other, and the position difference of the upper plate and lower plate opposite face close to two sides is equipped with scissor parallel to each other vertically Arm, two scissor arms tops and bottom end are in rolling contact with the upper plate and the lower plate respectively；

The lifting device further includes the direct current generator being set on the lower plate and limitation upper plate adjustable height Limiting device；The direct current generator output end is rotatably connected to ball-screw, the spiral shell at the ball-screw both ends by reduction gearbox Line is contrary, and the ball-screw prolongs the lower plate length direction and is horizontally arranged and is set between two scissor arms； The ball-screw both ends are arranged with respectively rotates matched nut with it, and lead screw crossbeam, the silk are arranged on the nut Thick stick crossbeam both ends are rotatablely connected with the opposite face of two scissor arms bottom ends respectively by shaft；Two scissor arms are opposite Top pass through axis connection；

The pressure sensor and the direct current generator are electrically connected intelligent controller.

Further, elongatedness direction is equipped with four sliding rails parallel to each other on the upper plate and the lower plate, Four sliding rails are distributed in the upper plate and the lower plate opposite face close to the position of two sides two-by-two；The scissor arms by Two sub-assemblies are rotatablely connected after intersecting by first rotating shaft；Each sub-assembly is made of two shear shanks, two institutes The one end for stating shear shank opposite face is connected with the second shaft；Second both ends of the shaft is respectively perpendicular to described two shear shanks Opposite face and close to the lead screw one end of the beam through go out the shear shank side wall；The sub-assembly both ends pass through described second Shaft is rotatably connected to the idler wheel with the sliding rail shiding matching.

Further, the limiting device includes four limiting brackets being vertically connected on the lower plate, four institutes It states limiting bracket and is distributed in surrounding at the top of the lower plate；Four limiting brackets are located at immediately below the upper plate；It is described Limiting device further include be placed in the limit switch being electrically connected on the lower plate with the direct current generator and with the limit switch The first limit sensors and the second limit sensors of electrical connection；First limit sensors are vertically connected at two silks The side of thick stick crossbeam opposite face；Second limit sensors are placed in one at the top of the one side wall of the limiting bracket.

Further, interlude fixing sleeve is equipped with first gear on the ball-screw, and the first gear subtracts with described Fast case gear of output end engagement, the direct current generator are connected with second gear by output end, and the second gear subtracts with described Fast case input end gear engagement.

Further, second shaft extends two scissor arms opposite faces；The lead screw crossbeam is equipped with and passes through The first through hole of two sides is worn, the first through hole matches with the nut；The lead screw crossbeam is opened far from first through hole one end Equipped with blind hole, the lead screw crossbeam offers the second through-hole being connected to the first through hole close to an end face of first through hole； It is fixed in the blind hole and the second through-hole and rotates matched bearing with second shaft.

Further, Liang Ge first axle mechanism is additionally provided on the lower plate；Two first axle mechanisms are identical And be located at the underface of two scissor arms, the first axle mechanism include be fixedly connected at the top of the lower plate the One pedestal；By shaft rotation connection, there are two hinged first axle bar, each first axles on first pedestal The other end of bar passes through shaft and is rotatablely connected respectively with two sub-assembly lower half for forming the scissor arms；On described Bottom plate is equipped with and two first axle mechanism corresponding Liang Ge second hinge mechanisms with the lower plate opposite face；Institute Stating second hinge mechanism includes the second pedestal set on the upper plate bottom, is rotatablely connected on second pedestal by shaft There are two hinged second hinge bar, the other end of each second hinge bar pass through shaft respectively with form the scissor The sub-assembly upper half rotation connection of two of arm；The first axle pole length is greater than the second hinge pole length.

Further, the upper plate outer ring is equipped with outer protective plate, and a circle is equipped with interior protective plate at the top of the lower plate；It rises When falling unit is raised to highest, the outer protective plate is in above the interior protective plate, when lifting device reduces, the outer protective plate The interior protective plate is included.

Further, moldable pedal can be used in the pedal.

Further, when step is greater than three ranks, battery is provided only with inside step described in most high-order.

Further, the intelligent controller uses PLC.

The utility model method has the advantages that the utility model can substitute traditional the used of walking ladder completely and make With function, when not enabling intelligent function, the present apparatus is exactly the common step of single order rank, is not had in use with traditional step Any difference, when opening intelligent stepfunction user can as walking level line labour-saving up/down steps；Different work Mode and laborsaving, time saving in are the major advantages of the utility model；And less energy-consuming, user of service is more or target building The waiting time is less when layer is more dispersed；The utility model single-row can be installed, and can also be installed with biserial or multiple row, to reduce The wasting of resources can be installed according to the actual conditions or different demands of walking ladder using different combinations；It can be old Step on installed additional and can also completely newly be installed；It is easy for installation, quick.

Detailed description of the invention

Fig. 1 is a kind of schematic elevation view of intelligent step of walking ladder provided by the utility model；

Fig. 2 is a kind of stereoscopic schematic diagram of intelligent step of walking ladder provided by the utility model；

Fig. 3 is a kind of connection status signal of the scissor arm configuration of intelligent step of walking ladder provided by the utility model Figure；

Fig. 4 is a kind of scissor arms structural schematic diagram of intelligent step of walking ladder provided by the utility model；

Fig. 5 is a kind of connection status signal of the limit device structure of intelligent step of walking ladder provided by the utility model Figure；

Fig. 6 is direct current generator, reduction gearbox and the ball-screw of a kind of intelligent step of walking ladder provided by the utility model Planar explosive structural schematic diagram；

Fig. 7 is a kind of lead screw crossbeam perspective structure schematic diagram of intelligent step of walking ladder provided by the utility model；

Fig. 8 is a kind of structure connection status signal of the linkage of intelligent step of walking ladder provided by the utility model Figure；

Fig. 9 is a kind of structure connection status diagram of the backplate of intelligent step of walking ladder provided by the utility model；

Figure 10 is that a kind of intelligent controller of the intelligent step of walking ladder provided by the utility model going downstairs of including is patrolled Collect relation schematic diagram；

Figure 11 is any position that a kind of intelligent controller of intelligent step of walking ladder provided by the utility model includes Logical relation schematic diagram when into step；

Figure 12 is that a kind of intelligent controller of the intelligent step of walking ladder provided by the utility model going upstairs of including is patrolled Collect relation schematic diagram.

Specific embodiment

The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.

Embodiment 1

The intelligent step of a kind of walking ladder that the utility model embodiment 1 provides, refering to Figure 1, the step packet Pedal 1, intelligent controller and lifting device are included, the lifting device includes upper plate 2 and lower plate 3；The pedal 1 with it is described Pressure sensor 4 is equipped between upper plate 2；The upper plate 2 and lower plate 3 are parallel to each other, please refer to shown in Fig. 2, it is described on The position difference of bottom plate 2 and 3 opposite face of lower plate close to two sides is equipped with scissor arms 10 parallel to each other, two scissors vertically 10 top of arm and bottom end are in rolling contact with the upper plate 2 and the lower plate 3 respectively；

The lifting device further includes the direct current generator 5 being set on the lower plate 3 and limitation 2 adjustable height of upper plate Limiting device；5 output end of direct current generator is rotatably connected to ball-screw 7,7 liang of the ball-screw by reduction gearbox 6 The hand of spiral at end on the contrary, the ball-screw 7 to prolong 3 length direction of lower plate horizontal positioned and cut described in being set to two Between yoke 10；7 both ends of ball-screw are arranged with respectively rotates matched nut 8 with it, is arranged with silk on the nut 8 Thick stick crossbeam 9,9 both ends of lead screw crossbeam are rotatablely connected with the opposite face of two 10 bottom ends of scissor arms respectively by shaft； Two opposite tops of the scissor arms 10 pass through axis connection；

The pressure sensor 4 and the direct current generator 5 are electrically connected intelligent controller.

In use, the utility model single-row can be installed, can also be installed with biserial or multiple row, it can be according to walking ladder Actual conditions or different demands control the operating of direct current generator, direct current using different combination installations by intelligent controller Motor drives ball screw turns when rotating forward, since the hand of spiral at ball-screw both ends is on the contrary, to push the lead screw at both ends Crossbeam is moved toward one another to both ends, so that scissor arms height be made constantly to reduce, to make, the height of pedal constantly reduces；Direct current When machine reverses, ball-screw reversion is driven, since the hand of spiral at ball-screw both ends is on the contrary, to drive the lead screw at both ends horizontal Beam relative motion, to make scissor arms height constantly increase, so that the height of pedal be made to increase.

It should be noted that please refer to shown in Figure 10, Figure 11 and Figure 12, when the upper and lower step of user, each step passes through Following logical relation is all satisfied in the case of PLC control:

The process of the upper and lower step of user:

User starts to step into C0, and when user one foot-operated upper C0 pedal, the PLC of C0 is waken up, and starts to connect Receive the pressure data of pressure sensor transmission；The body of user continues to move into C0, when the weight that PLC is received is more than or equal to It (is defined as 15Kg when 15Kg mainly to consider to be used alone for the security restriction infant of infant, reaches protection infant's Purpose), just the PLC into C-1 issues the instruction for increase C-1 to the PLC in C0.

After the instruction that the PLC received in C0 is sent, the PLC in C-1 begins to analyze this stage rank PLC in C-1 State, if meeting following three condition simultaneously: 1) working mark position be in it is invalid (invalid state illustrate this stage rank not by Other people use, be in idle condition), 2) traffic direction mark be rise (propradation illustrates that this stage rank is in low spot, Upward ascending motion can only be executed at this time), 3) less than or equal to 1Kg, (pressure is less than or equal to 1Kg and illustrates do not have on pedal pedal pressing force There is the pressure trampled or be subject to not influence normal use) illustrate C-1 in a dormant state, it can be waken up and execute this Instruction；If not satisfied, illustrating that C-1 is used by other people is then considered as illegal command for the instruction.When C0 is located at minimum single order When step, than C0, the adjacent step of more low order is not present downwards, and C0 can also issue the instruction at this time, is not received only Person.

(1), selection is gone downstairs:

After the weight of user is completely loaded on C0 pedal, if weight load is shifted from C0 to C-1.It is carried in transfer During lotus, when the weight that the PLC of C0 is received is less than or equal to 5Kg, just the PLC into C-1 issues one to the PLC in C0 Item decline instruction.

After the PLC instruction that PLC is sent in receiving C0 in C-1, the state for analyzing this stage rank is begun to, if simultaneously Meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), and 2) fortune Line direction mark is to decline (decline this stage of state description rank is in high point, can only execute downward descending motion at this time), 3) Pedal pressing force is gradually in increase (load of description weight is being shifted from C0 to C-1, and user has the intention gone downstairs) explanation C-1 has the condition of decline, then is immediately performed the instruction；If not satisfied, illustrating that C-1 does not have decline condition, then it is considered as nothing Effect instruction.C-1 is when executing decline instruction, while the PLC into C-2 issues the instruction of a rising.Work as during C-1 decline Stop decline when being triggered to low spot limit sensors, the every decline single order user of C-1 is also just lowered single order.

PLC in C-2 begins to the state for analyzing this stage rank after the instruction that the PLC received in C-1 is sent, if Meet following three condition simultaneously: 1) working mark position is in (invalid state illustrates that this stage rank is not made by other people in vain With being in idle condition), 2) traffic direction mark is to rise that (propradation illustrates that this stage rank is in low spot, can only hold at this time The upward ascending motion of row), 3) less than or equal to 1Kg, (pressure is less than or equal to 1Kg and illustrates not trampled on pedal pedal pressing force Or the pressure being subject to does not influence normal use) illustrate C-2 in a dormant state, it can be waken up and execute the instruction；If no Meet, illustrates that C-2 is used by other people, be then considered as illegal command.

When C-1 drops to defined position, after C-2 rising Ready, and the weight of user has been completely loaded into C-1 pedal On, then weight load is shifted from C-1 to C-2.During load transfer, when the weight that the PLC in C-1 is received is less than When equal to 5Kg, just the PLC into C-2 issues a decline instruction to the PLC in C-1.

After the PLC instruction that PLC is sent in receiving C-1 in C-2, the state for analyzing this stage rank is begun to, if together When meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), 2) Traffic direction mark is decline (decline this stage of state description rank is in high point, can only execute downward descending motion at this time), 3) pedal pressing force is gradually said in increase (load of description weight is being shifted from C-1 to C-2, and user has the intention gone downstairs) Bright C-2 has the condition of decline, then is immediately performed the instruction；If not satisfied, illustrating that C-2 does not have the condition of decline, then regard For illegal command.C-2 is when executing decline instruction, while the PLC into C-3 issues the instruction of a rising；And C-2 declined Stop decline in journey when being triggered to low spot limit sensors.User is also lowered single order while C-2 declines single order.

After the PLC instruction that PLC is sent in receiving C-2 in C-3, the state for analyzing this stage rank is begun to, if together When meet following three condition: 1) working mark position be in it is invalid (invalid state illustrates that this stage rank is not used by other people, Be in idle condition), 2) traffic direction mark be rise (propradation illustrates that this stage rank is in low spot, can only execute at this time Upward ascending motion), 3) pedal pressing force be less than or equal to 1Kg (pressure be less than or equal to 1Kg illustrate not trampled on pedal or The pressure being subject to does not influence normal use) illustrate C-3 in a dormant state, it can be waken up and execute the instruction；If discontented Enough, illustrate that C-3 is then being considered as illegal command by other people uses.The whole process got out of a predicament or an embarrassing situation can be completed according to above step.

(2), selection is gone upstairs:

After the weight of user is completely loaded on C0 pedal, when a foot-operated upper C1 pedal, the PLC in C1 is called out It wakes up and starts to receive the pressure data that pressure sensor transmits, when the weight that the PLC in C1 is received is more than or equal to 5Kg, Just the PLC into C0 issues a climb command to PLC in C1.

After the PLC instruction that PLC is sent in receiving C1 in C0, the state for analyzing this stage rank is begun to, if simultaneously Meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), and 2) fortune Line direction mark is to rise (propradation illustrates that this stage rank is in low spot, can only execute upward ascending motion at this time), 3) Pedal pressing force gradually illustrates C0 in reduction (load of description weight is being shifted from C0 to C1, and user has the intention gone upstairs) Have the condition risen, is then immediately performed the instruction, if being unsatisfactory for illustrating the condition that C0 does not have rising, instruction view It is invalid.C0 is when executing climb command, while the PLC into C-1 issues the instruction of a decline；And in C0 elevation process Stop rising when being triggered to high point limit sensors.C0 increases single order user and is also elevated single order.

After the PLC instruction that PLC is sent in receiving C0 in C-1, the state for analyzing this stage rank is begun to, if simultaneously Meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), and 2) fortune Line direction mark is to decline (decline this stage of state description rank is in high point, can only execute downward descending motion at this time), 3) Pedal pressing force is less than or equal to 1Kg, and (pressure, which illustrates the pressure do not trampled or be subject on pedal not less than or equal to 1Kg, to be influenced just It is often used) illustrate that C-1 has the condition of decline, it is just immediately performed the instruction, otherwise, enters waiting process until having item The instruction is continued to execute after part.C-1 stops decline during decline when being triggered to low spot limit sensors, initializes simultaneously The PLC state of C-1 uses in order to provide to next bit user.

When C0 rises in place, after the weight load of user is transferred to C1 from C0 completely, continue to take a step upwards, when a foot When setting foot on C2 pedal, the PLC in C2, which is waken up, starts to receive the pressure data that pressure sensor transmits, when the PLC in C2 is received When the weight arrived is more than or equal to 5Kg, just the PLC into C1 issues a climb command to the PLC in C2.

After the PLC instruction that PLC is sent in receiving C2 in C1, the state for analyzing this stage rank is begun to, if simultaneously Meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), and 2) fortune Line direction mark is to rise (propradation illustrates that this stage rank is in low spot, can only execute upward ascending motion at this time), 3) Pedal pressing force gradually illustrates C1 in reduction (load of description weight is being shifted from C1 to C2, and user has the intention gone upstairs) Have the condition risen, is then immediately performed the instruction；If being unsatisfactory for illustrating the condition that C1 does not have rising, depending on the instruction It is invalid.C1 issues the instruction declined when executing climb command, while to the PLC of C0.Work as triggering in C1 elevation process Stop rising when to high point limit sensors.C1 increases single order user and is elevated single order again.

PLC in C0 begins to the state for analyzing this stage rank, if together after the instruction that the PLC received in C1 is sent When meet following three condition: 1) working mark position is in effective (effective status illustrates that this stage rank is in ready state), 2) Traffic direction mark is decline (decline this stage of state description rank is in high point, can only execute downward descending motion at this time), 3) less than or equal to 1Kg, (pressure is less than or equal to 1Kg and illustrates that the pressure do not trampled or be subject on pedal does not influence pedal pressing force Normal use) illustrate that C0 has the condition of decline, then it is immediately performed the instruction；If being unsatisfactory for illustrating the item that C0 does not have decline Part enters waiting process and continues to execute the instruction after satisfying the requirements.C0 during decline when be triggered to low spot limit Stop decline when sensor, while initializing the PLC state of C0, uses use in order to provide to next bit.Just according to above step It can complete the whole process of top bar.

It should be noted that step is only acquired and is arranged to data in high point or static low spot；Each stage rank Five processes for undergoing suspend mode, wake-up, up and down, suspend mode in sequence are required in use, and carry out repeating to follow Ring；What is instructed between each step executes the priority selection mode of use " arrive first and first use ".

Embodiment 2

The intelligent step of a kind of walking ladder that the utility model embodiment 2 provides is substantially the same manner as Example 1, and difference exists In, it please refers to shown in Fig. 3, in order to reach better sliding effect, equal elongatedness side on the upper plate 2 and the lower plate 3 To four sliding rails 11 parallel to each other are equipped with, four sliding rails 11 are distributed in 3 phase of the upper plate 2 and the lower plate two-by-two Position of the opposite close to two sides；It please refers to shown in Fig. 4, the scissor arms 10 pass through first rotating shaft after being intersected by two sub-assemblies 12 13 rotation connections；Each sub-assembly 12 is made of two shear shanks 121, and the one of two 121 opposite faces of shear shank End is connected with the second shaft 14；Second shaft, 14 both ends are respectively perpendicular to the opposite face of described two shear shanks 121 and lean on Nearly described 9 one end of lead screw crossbeam is through 121 side wall of shear shank out；12 both ends of sub-assembly pass through second shaft 14 are rotatably connected to the idler wheel 15 with 11 shiding matching of sliding rail.

Embodiment 3

The intelligent step of a kind of walking ladder that the utility model embodiment 3 provides is substantially the same manner as Example 2, and difference exists In, please refer to shown in Fig. 5, preferably raise and reduce effect to reach, the limiting device include be vertically connected at it is described Four limiting brackets 16 on lower plate 3, four limiting brackets 16 are distributed in the 3 top surrounding of lower plate；Four institutes Limiting bracket 16 is stated to be located at immediately below the upper plate 2；The limiting device further include be placed on the lower plate 3 with it is described The limit switch that direct current generator 5 is electrically connected and the first limit sensors 17 being electrically connected with the limit switch and the second limit pass Sensor 18；First limit sensors 17 are vertically connected at the side of two 9 opposite faces of lead screw crossbeam；Second limit Level sensor 18 is placed in one at the top of the one side wall of the limiting bracket 16.

First limit sensors are used to limit the maximum height of step rise, and the second limit sensors are for limiting step Minimum altitude.

It should be noted that next stage step needs guarantee 10mm to 20mm lower than upper level step after rising；Allow use Person can perceive the presence of different steps in use, to guarantee reduction erroneous judgement and maloperation in use.

Embodiment 4

The intelligent step of a kind of walking ladder that the utility model embodiment 4 provides is substantially the same manner as Example 3, and difference exists In please referring to shown in Fig. 6, in order to reach preferably transmission effect, interlude fixing sleeve is equipped with the first tooth on the ball-screw 7 Wheel 71, the first gear 71 is engaged with 6 gear of output end of reduction gearbox, and the direct current generator 5 is connected with by output end Second gear 51, the second gear 51 are engaged with 6 input end gear of reduction gearbox.

Embodiment 5

The intelligent step of a kind of walking ladder that the utility model embodiment 5 provides is substantially the same manner as Example 4, and difference exists In in order to reach preferably transmission effect；It please refers to shown in Fig. 7, the lead screw crossbeam 9 is equipped with the first through hole through two sides 91, the first through hole 91 matches with the nut；The lead screw crossbeam 9 offers blind far from described 91 one end of first through hole Hole 92, the lead screw crossbeam 9 offer second be connected to the first through hole 91 close to an end face of the first through hole 91 Through-hole 93；It is fixed in the blind hole 92 and second through-hole 93 and rotates matched bearing with second shaft 14.

Embodiment 6

The intelligent step of a kind of walking ladder that the utility model embodiment 6 provides is substantially the same manner as Example 5, and difference exists In please referring to shown in Fig. 8, Liang Ge first axle mechanism 101 be additionally provided on the lower plate；Two first axle mechanisms 101 underfaces that are identical and being located at two scissor arms 10, the first axle mechanism 101 include pushing up with the lower plate 3 The first pedestal 1012 that portion is fixedly connected；By shaft rotation connection, there are two the first hinged hinges on first pedestal 1012 Chain bar 1011, the other end of each first axle bar 1011 pass through two of shaft respectively with the composition scissor arms 10 12 lower half of the sub-assembly rotation connection；The upper plate 2 is equipped with and two described first with 3 opposite face of lower plate 101 corresponding Liang Ge second hinge mechanism 102 of linkage；The second hinge mechanism 102 includes being set to the upper plate 2 Second pedestal 1021 of bottom, by shaft rotation connection, there are two hinged second hinge bars on second pedestal 1021 1022, the other end of each second hinge bar 1022 passes through shaft respectively and described in two of the composition scissor arms 10 The rotation connection of 12 upper half of sub-assembly；1011 length of first axle bar is greater than 1022 length of second hinge bar；Hinge Mechanism, which plays, plays a supporting role to scissor arms 10, while can decompose the pressure on a part of pedal 1.

Embodiment 7

The intelligent step of a kind of walking ladder that the utility model embodiment 7 provides is substantially the same manner as Example 6, and difference exists In please referring to shown in Fig. 9, in order to reach safe effect, 2 outer ring of upper plate is equipped with outer protective plate 19, the lower plate 3 The circle of top one is equipped with interior protective plate 20；When lifting device is raised to highest, the outer protective plate 19 is on the interior protective plate 20 Side, when lifting device reduces, including the outer protective plate 19 contains the interior protective plate packet 20.

Embodiment 8

The intelligent step of a kind of walking ladder that the utility model embodiment 8 provides is substantially the same manner as Example 7, and difference exists In in order to reach wear-resisting, fire resisting safe effect, moldable pedal 1 is can be used in the pedal 1.

Embodiment 9

The intelligent step of a kind of walking ladder that the utility model embodiment 9 provides is substantially the same manner as Example 8, and difference exists In when step is greater than three ranks, being provided only with battery inside step described in most high-order, play automatic in the case where the power-off of outside Start internal power supply system to guarantee the normal use of step；Intelligent controller uses PLC.

It should be noted that being provided only with battery inside highest step, it is not provided with lifting device, but still set at the top of step There are pressure sensor and PLC, for receiving data, completes the regulation of intelligent controller.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (10)

1. a kind of intelligent step of walking ladder, the step includes pedal, intelligent controller and lifting device, which is characterized in that The lifting device includes upper plate and lower plate；Pressure sensor is equipped between the pedal and the upper plate；On described Bottom plate and lower plate are parallel to each other, and the upper plate and lower plate opposite face are equipped with vertically respectively close to the position of two sides and put down each other Capable scissor arms, two scissor arms tops and bottom end are in rolling contact with the upper plate and the lower plate respectively；

The lifting device further includes the limit of the direct current generator being set on the lower plate and limitation upper plate adjustable height Device；The direct current generator output end is rotatably connected to ball-screw, the screw thread side at the ball-screw both ends by reduction gearbox To on the contrary, the ball-screw to prolong the lower plate length direction horizontal positioned and be set between two scissor arms；It is described Ball-screw both ends are arranged with respectively rotates matched nut with it, and lead screw crossbeam is arranged on the nut, and the lead screw is horizontal Beam both ends are rotatablely connected with the opposite face of two scissor arms bottom ends respectively by shaft；The opposite top of two scissor arms End passes through axis connection；

The pressure sensor and the direct current generator are electrically connected intelligent controller.

2. a kind of intelligent step of walking ladder according to claim 1, which is characterized in that the upper plate and the bottom Equal elongatedness direction is equipped with four sliding rails parallel to each other on plate, and four sliding rails are distributed in the upper plate and described two-by-two Position of the lower plate opposite face close to two sides；The scissor arms are rotatablely connected after being intersected by two sub-assemblies by first rotating shaft； Each sub-assembly is made of two shear shanks, and one end of two shear shank opposite faces is connected with the second shaft；Institute It states the second both ends of the shaft and is respectively perpendicular to the opposite face of described two shear shanks and close to the lead screw one end of the beam through institute out State shear shank side wall；The sub-assembly both ends are rotatably connected to the rolling with the sliding rail shiding matching by second shaft Wheel.

3. a kind of intelligent step of walking ladder according to claim 2, which is characterized in that the limiting device includes vertical Four limiting brackets being connected on the lower plate, four limiting brackets are distributed in surrounding at the top of the lower plate；Four A limiting bracket is located at immediately below the upper plate；The limiting device further include be placed on the lower plate with it is described straight The limit switch of galvanic electricity mechatronics and the first limit sensors and the second limit sensors being electrically connected with the limit switch； First limit sensors are vertically connected at the side of two lead screw crossbeam opposite faces；Second limit sensors are set At the top of the one side wall of one of them limiting bracket.

4. a kind of intelligent step of walking ladder according to claim 3, which is characterized in that interlude on the ball-screw Fixing sleeve is equipped with first gear, and the first gear is engaged with the reduction gearbox gear of output end, and the direct current generator passes through defeated Outlet is connected with second gear, and the second gear is engaged with the reduction gearbox input end gear.

5. a kind of intelligent step of walking ladder according to claim 4, which is characterized in that second shaft extends two A scissor arms opposite face；The lead screw crossbeam is equipped with the first through hole through two sides, the first through hole and the spiral shell Parent phase matching；The lead screw crossbeam offers blind hole far from first through hole one end, and the lead screw crossbeam is close to the one of first through hole End face offers the second through-hole being connected to the first through hole；It is fixed in the blind hole and the second through-hole and described second Shaft rotates matched bearing.

6. a kind of intelligent step of walking ladder according to claim 5, which is characterized in that be additionally provided with two on the lower plate A first axle mechanism；Two first axle mechanisms are identical and are located at the underface of two scissor arms, and described first Linkage includes the first pedestal being fixedly connected at the top of the lower plate；It is rotatablely connected on first pedestal by shaft There are two hinged first axle bar, the other end of each first axle bar pass through shaft respectively with form the scissor The sub-assembly lower half rotation connection of two of arm；The upper plate and the lower plate opposite face be equipped with described in two Corresponding Liang Ge second hinge mechanism of first axle mechanism；The second hinge mechanism includes being set to the upper plate bottom Second pedestal, by shaft rotation connection, there are two hinged second hinge bar, each second hinges on second pedestal The other end of chain bar passes through shaft and is rotatablely connected respectively with two sub-assembly upper halves for forming the scissor arms；It is described First axle pole length is greater than the second hinge pole length.

7. a kind of intelligent step of walking ladder according to claim 6, which is characterized in that the upper plate outer ring is equipped with outer Protective plate, one circle of lower plate top are equipped with interior protective plate；When lifting device is raised to highest, the outer protective plate is in described Above interior protective plate, when lifting device reduces, the interior protective plate is included by the outer protective plate.

8. a kind of intelligent step of walking ladder according to claim 7, which is characterized in that the pedal is stepped on using moldable Plate.

9. a kind of intelligent step of walking ladder according to claim 8, which is characterized in that when step is greater than three ranks, most Battery is provided only with inside step described in high-order.

10. a kind of intelligent step of walking ladder according to claim 9, which is characterized in that the intelligent controller uses PLC。