CN205930835U - Two electronic jar landing legs lift two -wheeled hand push freight train that stair can be climbed to helping hand formula - Google Patents

Two electronic jar landing legs lift two -wheeled hand push freight train that stair can be climbed to helping hand formula Download PDF

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Publication number
CN205930835U
CN205930835U CN201620332547.6U CN201620332547U CN205930835U CN 205930835 U CN205930835 U CN 205930835U CN 201620332547 U CN201620332547 U CN 201620332547U CN 205930835 U CN205930835 U CN 205930835U
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right sides
electric cylinder
supporting leg
positive stop
cylinder
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CN201620332547.6U
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陆盈
刘成
赵重阳
张增仁
赵晓辉
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Inner Mongolia University
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Inner Mongolia University
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Abstract

The utility model relates to a two electronic jar landing legs lift two -wheeled hand push freight train that stair can be climbed to helping hand formula, but the electronic jar telescopic leg who climbs stair booster unit side swing back and forth about for of this car, its symmetrical arrangement be about in between two wheels, its duty cycle's basic step, and firstly the operator draws the wheel and leans on on the facade of stair, and electronic jar telescopic leg's jar pole stretches out and supports ground and lift the car, secondly, when the car climbed first -order stair high, the operator stimulateeed the car forward, and the wheel landed before this, and the wheel is drawn again and leans on on the facade of stair after that, gets into next circulation. Electronic jar landing leg swing position is different, and its flexible action is also different, and the controller is according to the electronic jar landing leg swing positional information that travel switch or angle displacement sensor gathered, export electronic jar telescopic leg motor stop with the instruction of just reversing, the automation that the realizes electronic jar landing leg jar pole function of stretching out and drawing back.

Description

A kind of vear car of pair of electric cylinder supporting leg lifting booster type energy stair climbing
Technical field
This utility model belongs to the hand push goods car technical field possessing stair climbing function of electric power-assisted, more particularly, to a kind of The vear car of double electric cylinder supporting leg lifting booster type energy stair climbings.
Background technology
The disclosed electric booster type hand push goods car possessing stair activity function, the power assisting device of its stair activity Structure is typically complex, and the amount of parts of power train is more, and price is higher, is difficult in the cheap domestic of cost of transportation requirement The express delivery of the commodity such as electrical equipment or after-sale service on-site install in business is used widely.In reality, by household electrical appliance etc. Relatively heavy articles are transported in the client family of residential building is each courier or after-sale service on-sites install the disaster that personnel face Topic, at present, the information that can transport the vear car that household electrical appliance etc. are compared with heavy articles stair climbing is more rare.
Content of the invention
Technical problem to be solved in the utility model is:A kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing is provided Vear car, the stair climbing power assisting device of this hand truck is symmetrically installed structure using double electric cylinder supporting legs, makes vehicle frame Stress equalization, operates steadily, and is easy to operator's control.This car adopts the semiautomatic control mode stair climbing of human-computer interaction, double electricity Dynamic cylinder supporting leg is responsible for lifting car, and operator is responsible for pulling car, and wheel is replaced with electric cylinder supporting leg and carries car, thus realizing The continuous stair climbing function of car.
The vear car of this kind of double electric cylinder (or claiming electric pushrod) supporting leg lifting booster type energy stair climbings, by following 14 parts composition (referring to Fig. 1), are vehicle frame 1, the base plate 2 perpendicular to vehicle frame plane, left and right side grip 3, left and right sides list respectively Wheel 4, chargeable storage storehouse (or frame) and accumulator 5, the left and right sides solely installed can swing electric cylinder telescopic outrigger 6, Left and right sides electric cylinder supporting leg forward swing positive stop 7, control housing unit 8, the cylinder rod contracting of left and right sides electric cylinder supporting leg forward swing spacing place Return stroke stop and stretch out, with cylinder rod, the cylinder putting spacing place after stroke trigger switch and its positive stop 9, left and right sides electric cylinder supporting leg Bar stretches out stroke stop and cylinder rod retraction stroke trigger switch and its positive stop 10, is connected the tie-rod of left and right sides electric cylinder supporting leg Or be frame 11, prevent from colliding with during left and right sides electric cylinder supporting leg forward swing or the stair rib that rubs support roller 12, be easy to sliding on the ground Electric cylinder cylinder rod end protective jacket 13 and grip switches 14;Control left and right sides therein can swing electric cylinder telescopic outrigger (6) in motor rotate forward, reversion and the circuit stopping, by manually and automatically controlling two sets of circuit to form, and by selecting switch control Alternative one works independently;Described grip switches (14) and left and right sides can swing electric cylinder telescopic outrigger (6) direct-connected, can Constitute manual control unit;Described grip switches (14), control housing unit (8) and left and right sides can swing electric cylinder flexible Supporting leg (6) connects, and may make up manual electronic control unit;The cylinder rod of described left and right sides electric cylinder supporting leg forward swing spacing place is retracted Stroke stop and cylinder rod put the cylinder of spacing place after stretching out stroke trigger switch and its positive stop (9) and left and right sides electric cylinder supporting leg Bar stretches out stroke stop can swing electric cylinder with cylinder rod retraction stroke trigger switch and its positive stop (10) and left and right sides Telescopic outrigger (6) is direct-connected, may make up switch automatic control unit;The cylinder rod of described left and right sides electric cylinder supporting leg forward swing spacing place Retraction stroke stop and cylinder rod put spacing place after stretching out stroke trigger switch and its positive stop (9) and left and right sides electric cylinder supporting leg Cylinder rod stretch out stroke stop and cylinder rod retraction stroke trigger switch and its positive stop (10), control housing unit (8) and left and right Side can connect in swing electric cylinder telescopic outrigger (6), may make up procedure auto-control unit.This handbarrow with human-computer interaction, Wheel replaces the semiautomatic control mode stair climbing carrying car with electric cylinder supporting leg, and its cycle of operation is divided into four steps, and one It is that the left and right sides wheel of car is pulled against on the facade of stair starting → dependence manpower, left and right sides electric cylinder telescopic outrigger 6 Cylinder rod is in stretches out stroke start bit, presses or twists or swing handle switch 14, left and right sides electric cylinder telescopic outrigger 6 must be electric, Cylinder rod is stretched out, and lifts car after obtaining ground supports;Two is that cylinder rod stretches out stroke → lift in left and right sides electric cylinder telescopic outrigger 6 While rising car, operator is applied to one pulling force forward of car, then wheel can be contacted with stair step surface all the time, and While rolls forward, left and right sides electric cylinder telescopic outrigger 6 swing backward, when pendulum is to rear pendulum spacing place, cylinder rod stretches out row Journey stop switch is worked in succession with cylinder rod retraction stroke trigger switch and its positive stop 10, so that cylinder rod is commutated and triggers row of retracting Journey;Three is that the left and right sides wheel of car is pulled against on the facade of stair cylinder rod retraction stroke → operator, and cylinder rod is retracted, simultaneously Left and right sides electric cylinder telescopic outrigger 6 relies on gravity forward swing, and when reaching forward swing spacing place, cylinder rod retraction stroke stop is stretched with cylinder rod Go out stroke trigger switch and its positive stop 9 works in succession, make cylinder rod commutation triggering stretch out stroke;Four be suspend or stop → when After having climbed 1/2 layer or 1 floor ladder, operator treats that cylinder barrel relies on gravity backswing to vertical position and to send collide with sound or system prompt During sound, left and right sides electric cylinder supporting leg is in forward swing spacing place, cylinder rod retraction stroke stop and cylinder rod stretch out stroke trigger switch and Its positive stop 9 works in succession, and stroke is stretched out in cylinder rod commutation triggering, and now blind catch on and off switch 14 completes a job Circulation.
The composition of vear car each several part of this booster type energy stair climbing, function and operation principle are described below.
Described left and right sides can swing electric cylinder lifting landing leg 6 it is characterised in that:They pass through hinge with hinged Its cylinder barrel end is arranged on vehicle frame 1 mode, its cylinder rod end downwardly depending in aerial, two hinge shaft axis overlap and with left and right sides car Axle axis line is parallel, and two pin joint lateral attitudes are distributed between the separately installed wheel of left and right sides 4, two pin joints and cylinder Cylinder top swing scope is respectively positioned on below the upper plane of vehicle frame, when vehicle frame 1 is in stair climbing state and ground between is in During about 28 °~34 ° of angle, the plane that the line of two hinges is constituted with left and right sides wheel axle axis line is perpendicular to the ground, To ensure that electric cylinder hoist vehicle period of the day from 11 p.m. to 1 a.m car center of gravity is held substantially constant, left and right sides electric cylinder supporting leg 6 now and left and right sides Electric cylinder supporting leg forward swing positive stop 7 sticks together;For reducing the physical dimension of car, reduce bodywork height, it can be adopted With the multi-joint telescoping lower limb structure similar to crane arm;They are using one drag two control circuit in parallel.
Described left and right sides electric cylinder supporting leg forward swing positive stop 7 it is characterised in that:They can be by way of welding Be symmetrically mounted on vehicle frame 1, when vehicle frame 1 be in stair climbing state be and ground between in about 28 °~34 ° of angle when, its Confined planes are about 118 °~124 ° (28 °~34 °+90 °) with the obtuse angle folded by plane of vehicle frame 1, can pass through connecting portion thereon Part is respectively mounted the cylinder rod retraction stroke stop of left and right sides electric cylinder supporting leg forward swing spacing place and cylinder rod stretches out stroke trigger switch Or its positive stop 9.
Described control housing unit 8 it is characterised in that:It can be mounted or fixed in battery compartment (or frame), it by Box body, left and right sides electric cylinder supporting leg motor driving circuit board, PLC or single-chip microcomputer etc., left and right sides electric cylinder supporting leg motor positive and inverse The compositions such as controller, relay, input/output interface, connecting line and connection plug.
The described cylinder rod retraction stroke stop of left and right sides electric cylinder supporting leg forward swing spacing place and cylinder rod stretch out stroke triggering The cylinder rod putting spacing place after switch and its positive stop 9, left and right sides electric cylinder supporting leg stretches out stroke stop and cylinder rod retraction stroke Trigger switch and its positive stop 10 it is characterised in that:They can be separately mounted to two relative motioies by connection member Parts on, such as limit switch is arranged on the pedestal that its positive stop is arranged on vehicle frame 1 electric cylinder telescopic outrigger 6 Or on cylinder barrel;Described limit switch includes contact and Contactless stroke switch and limit sensors etc., and described is spacing Block includes agretope sensing device etc.;The connection member of described limit switch and its positive stop should be provided with its installation of change The micro-adjusting mechanism of position;The set location of described limit switch and its positive stop is to rely on certainly in electric cylinder telescopic outrigger 6 Weight forward swing, to before forward swing positive stop 7, need to first pass through cylinder rod retract stroke stop position positive stop, then pass through cylinder rod and stretch Go out stroke trigger position positive stop, in the same manner, in front of electric cylinder telescopic outrigger 6 is pulled to left and right sides wheel 4 backward Swing, before left and right sides wheel 4 abuts in the facade of stair, cylinder rod need to be first passed through and stretch out stroke stop position limiting block Block, then passes through cylinder rod retract stroke trigger position positive stop;The described positive stop of follow-up process and its stroke triggering Switch, its function be control cylinder rod stretch out or retraction stroke commutation, can by programming by control housing unit 8 in motor positive and negative Transcoder controller and related relay are realized, and the procedure auto-control circuit now being constituted is by described left and right sides electric cylinder supporting leg Cylinder rod retraction stroke stop and the cylinder rod of forward swing spacing place stretches out stroke trigger switch and its positive stop (9) is electronic with left and right sides The cylinder rod putting spacing place after cylinder supporting leg is stretched out in stroke stop and cylinder rod retraction stroke trigger switch and its positive stop (10) Stroke stop switch and its positive stop, PLC or single-chip microcomputer, positive and negative rotating controller for motor or related relay, electric cylinder stretch Supporting leg (6) four part forms;Described whole limit switches and its positive stop can be with angles being arranged on hinge position Displacement transducer and its stopping means substitute.
The tie-rod of described connection left and right sides electric cylinder supporting leg or be frame 11 it is characterised in that:It enables left and right sides electricity The synchronous hunting of dynamic cylinder supporting leg, there is the fixture being connected with left and right sides electric cylinder telescopic outrigger 6 at its two ends, and this fixture can connect It is connected in pedestal, cylinder barrel and (or) the cylinder rod of electric cylinder supporting leg 6, when it is connected in cylinder rod, its version need to ensure a left side Right side electric cylinder telescopic outrigger is restricted in the degree of freedom of swaying direction each other, and left and right sides electric cylinder will be allowed to stretch simultaneously The cylinder rod of supporting leg 6 there may be difference on flexible stroke.
Described prevent from colliding with during left and right sides electric cylinder supporting leg forward swing or the stair rib that rubs support roller 12 it is characterised in that: It to be installed on the tie-rod of connection left and right sides electric cylinder supporting leg using single-wheel or two-wheel form by rod member or can be in frame 11 Portion or two ends, when the cylinder rod ends contact stairway step ground of left and right sides electric cylinder telescopic outrigger 6, it is in overhead positions, When left and right sides electric cylinder telescopic outrigger 6 swings forward, it first touches stairway step facade, it is to avoid left and right sides electric cylinder supporting leg Collide with during 6 cylinder rod forward swing or the stair rib that rubs.
Described grip switches 14 it is characterised in that:It is included for auxiliary operation left and right sides electric cylinder landing leg stretching Hand switch and automatic lifting switch, their version can be button or revolving type or twisting type, for therein Automatic lifting switch, the function of controller and driver settings can be, automatic lifting switch closure → power on, left Right side electric cylinder telescopic outrigger 6 works, when the cylinder rod of left and right sides electric cylinder telescopic outrigger 6 is in retraction stop position or only stretches out Commutated during dynamic position, stretched out when being in a certain position in stroke, when automatic lifting switch separates → power supply disconnection, left Right side electric cylinder telescopic outrigger 6 quit work, thus realize the startup of car, climb and climb suspend after continue the work(that climbs Can, do not set the retraction function that cylinder rod is in a certain position in stroke, be to prevent car from falling and electric cylinder telescopic outrigger 6 When putting afterwards, there is runaway condition because wheel does not have stair facade to do spacing;Operator need to grasp separate automatic lifting and open In the moment closed, rely on gravity backswing to vertical position and send whne cylinder barrel and collide with sound or when system sends prompting sound, closing handle Automatic lifting switch in hand switch 14, completes a cycle of operation.
Brief description
Fig. 1 is principle schematic diagram. of the present utility model.
Fig. 2 be when electric cylinder supporting leg lifting puts in place after put agretope relative dimensions calculate schematic diagram.
Specific embodiment
Climbed residential building building stair [the step surface width × shoulder height × building of floor height 6 floor below with this utility model The terraced gradient:250 (mm) × 170 (mm) × 34 °] as a example (see Fig. 2), the implementation process of this utility model structural principle is described.
Main parts size size of the present utility model can be:1. the separately installed wheel of left and right sides 4 chooses a diameter of 250 (mm) pneumatic tire, left and right sides can swing electric cylinder telescopic outrigger 6 structural parameters [installation dimension × preset clearance × Cylinder rod stroke (mm)] be:355×25× 250(mm);2. this car vehicle frame flat inclination and stair slope in stair climbing are set Degree is parallel, then the confined planes of left and right sides electric cylinder supporting leg forward swing positive stop 7 and the obtuse angle folded by plane of vehicle frame 1 are 124 ° (34 ° + 90 °), lean on when left and right sides wheel 4 is given rise to higher order stair being drawn by operator by left and right sides electric cylinder telescopic outrigger 6 To stair facade extreme position when, the size of in figure OA is 355+25+170 (mm), and the size of AB is 125 (mm), and angle AOB is 13 °, i.e. tan (13 °)=125/355+25+170, now puts confined planes and the vehicle frame of extreme position after left and right sides electric cylinder supporting leg Acute angle folded by 1 plane be 43 ° (180 ° -124 ° -13 °), obtuse angle be 137 ° (124 °+13 °), by Pythagorean theorem calculate OB chi Very little is 564 (mm), and the cylinder rod extension elongation of left and right sides electric cylinder telescopic outrigger 6 is 564- (355+25)=184 (mm).

Claims (8)

1. a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing vear car it is characterised in that:It is by following ten Four parts compositions, are that vehicle frame (1), the base plate (2) perpendicular to vehicle frame plane, left and right side grip (3), left and right sides are separately installed respectively Wheel (4), chargeable storage storehouse and accumulator (5), left and right sides can swing electric cylinder telescopic outrigger (6), left and right sides Electric cylinder supporting leg forward swing positive stop (7), control housing unit (8), the cylinder rod of left and right sides electric cylinder supporting leg forward swing spacing place are retracted Stroke stop and cylinder rod put the cylinder of spacing place after stretching out stroke trigger switch and its positive stop (9), left and right sides electric cylinder supporting leg Bar stretch out stroke stop and cylinder rod retraction stroke trigger switch and its positive stop (10), be connected left and right sides electric cylinder supporting leg be Bar or be frame (11), prevent from colliding with during left and right sides electric cylinder supporting leg forward swing or the stair rib that rubs support roller (12), be easy on ground Electric cylinder cylinder rod end protective jacket (13) of upper sliding and grip switches (14);Therein control left and right sides can swing electronic In cylinder telescopic outrigger (6) motor rotate forward, reversion and the circuit stopping, by manually and automatically controlling two sets of circuit to form, and by selecting Select on-off control alternative one to work independently;Described grip switches (14) and left and right sides can swing electric cylinder telescopic outriggers (6) direct-connected, may make up manual control unit;Described grip switches (14), control housing unit (8) and the left and right sides can swing Electric cylinder telescopic outrigger (6) connects, and may make up manual electronic control unit;Described left and right sides electric cylinder supporting leg forward swing spacing place Cylinder rod retraction stroke stop and cylinder rod stretch out stroke trigger switch and its positive stop (9) and left and right sides electric cylinder supporting leg after put The cylinder rod of spacing place stretch out stroke stop and cylinder rod retraction stroke trigger switch and its positive stop (10) and left and right sides can before and after Swing electric cylinder telescopic outrigger (6) direct-connected, may make up switch automatic control unit;Described left and right sides electric cylinder supporting leg forward swing limit Cylinder rod retraction stroke stop at position and cylinder rod stretch out stroke trigger switch and its positive stop (9) and left and right sides electric cylinder supporting leg The cylinder rod of pendulum spacing place stretches out stroke stop and cylinder rod retraction stroke trigger switch and its positive stop (10), control housing unit afterwards (8) swing electric cylinder telescopic outrigger (6) can connect with left and right sides, may make up procedure auto-control unit.
2. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:Described left and right sides can swing electric cylinder lifting landing leg (6), by hinge in articulated manner by its cylinder barrel end Be arranged on vehicle frame (1), its cylinder rod end downwardly depending in aerial, two hinge shaft axis overlap and with left and right sides wheel axle axis line Parallel, two pin joint lateral attitudes are distributed between the separately installed wheel of left and right sides (4), before and after two pin joints and cylinder barrel top Hunting range is respectively positioned on below the upper plane of vehicle frame, when vehicle frame (1) be in stair climbing state i.e. can and ground between be in 28 °~ During 34 ° of angle, the plane that the line of two hinges is constituted with left and right sides wheel axle axis line is perpendicular to the ground, electronic to ensure Cylinder hoist vehicle period of the day from 11 p.m. to 1 a.m car center of gravity is held substantially constant, and left and right sides electric cylinder supporting leg (6) now is propped up with left and right sides electric cylinder Lower limb forward swing positive stop (7) sticks together;For reducing the physical dimension of car, reduce bodywork height, it can be using similar Multi-joint telescoping lower limb structure in the overweight arm of crane;They are using one drag two control circuit in parallel.
3. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:Described left and right sides electric cylinder supporting leg forward swing positive stop (7), can be symmetrically mounted on vehicle frame by way of welding (1) on, when vehicle frame (1) is in stair climbing state and can be in 28 °~34 ° of angle and ground between, its confined planes and car Obtuse angle folded by the plane of frame 1 is 118 °~124 °, can be respectively mounted before left and right sides electric cylinder supporting leg by connection member thereon The cylinder rod retraction stroke stop of pendulum spacing place stretches out stroke trigger switch or its positive stop (9) with cylinder rod.
4. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:Described control housing unit (8), can be mounted or fixed in battery compartment, and it is propped up by box body, left and right sides electric cylinder Lower limb motor driving circuit board, PLC or single-chip microcomputer, left and right sides electric cylinder supporting leg positive and negative rotating controller for motor, relay, input and output Interface, connecting line and connection plug composition.
5. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:The described cylinder rod retraction stroke stop of left and right sides electric cylinder supporting leg forward swing spacing place and cylinder rod are stretched out stroke triggering and are opened The cylinder rod putting spacing place behind pass and its positive stop (9), left and right sides electric cylinder supporting leg stretches out stroke stop and cylinder rod retraction stroke Trigger switch and its positive stop (10), they are separately mounted on the parts of two relative motioies by connection member, can Limit switch is arranged on vehicle frame (1), its positive stop is arranged on pedestal or the cylinder barrel of electric cylinder telescopic outrigger (6); Described limit switch includes contact and Contactless stroke switch and limit sensors, and described positive stop includes limiting Position sensing device;The connection member of described limit switch and its positive stop should be provided with the freqency fine adjustment machine changing its installation site Structure;The set location of described limit switch and its positive stop is, relies on deadweight forward swing to front in electric cylinder telescopic outrigger (6) Before pendulum positive stop (7), cylinder rod retract stroke stop position positive stop need to be first passed through, then pass through cylinder rod and stretch out stroke and touch Send out position positive stop, in the same manner, swing backward in front of electric cylinder telescopic outrigger (6) is pulled to left and right sides wheel (4), Before left and right sides wheel (4) abuts in the facade of stair, cylinder rod need to be first passed through and stretch out stroke stop position positive stop, with Afterwards through cylinder rod retract stroke trigger position positive stop;The described positive stop of follow-up process and its stroke trigger switch, Its function be control cylinder rod to stretch out or retraction stroke commutation, can by the positive and negative rotating controller for motor controlling in housing unit (8) or Related relay is realized, and the procedure auto-control circuit now being constituted is by described left and right sides electric cylinder supporting leg forward swing spacing place Cylinder rod retraction stroke stop and cylinder rod stretch out stroke trigger switch and its positive stop (9) and left and right sides electric cylinder supporting leg after put The cylinder rod of spacing place is stretched out stroke stop and is opened with the stroke stop in cylinder rod retraction stroke trigger switch and its positive stop (10) Close and its positive stop, PLC or single-chip microcomputer, positive and negative rotating controller for motor or related relay, electric cylinder telescopic outrigger (6) four It is grouped into;Described whole limit switches and its positive stop can with an angular displacement sensor being arranged on hinge position and Its stopping means substitutes.
6. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:The tie-rod of described connection left and right sides electric cylinder supporting leg or be frame (11), enables the same of left and right sides electric cylinder supporting leg Step swings, and there is the fixture being connected with left and right sides electric cylinder telescopic outrigger (6) at its two ends, and this fixture can be connected to electric cylinder In the pedestal of supporting leg (6), cylinder barrel and cylinder rod, when it is connected in cylinder rod, its version need to ensure that left and right sides electric cylinder is stretched Contracting supporting leg is restricted in the degree of freedom of swaying direction each other, will allow the cylinder of left and right sides electric cylinder telescopic outrigger (6) simultaneously Bar there may be difference on flexible stroke.
7. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:Described prevent from colliding with during left and right sides electric cylinder supporting leg forward swing or the stair rib that rubs support roller (12), can be using single Wheel or two-wheel form are installed on the tie-rod connecting left and right sides electric cylinder supporting leg or the middle part or the two ends that are frame (11) by rod member, when During the cylinder rod ends contact stairway step ground of left and right sides electric cylinder telescopic outrigger (6), it is in overhead positions, when left and right sides electricity When dynamic cylinder telescopic outrigger (6) swings forward, it first touches stairway step facade, it is to avoid the cylinder of left and right sides electric cylinder supporting leg (6) Collide with during bar forward swing or rub stair rib.
8. the vear car of a kind of pair of electric cylinder supporting leg lifting booster type energy stair climbing as claimed in claim 1, it is special Levy and be:Described grip switches (14), including for auxiliary operation left and right sides electric cylinder landing leg stretching hand switch and from Dynamic lifting switch, their version can be button or revolving type or twisting type.
CN201620332547.6U 2016-04-21 2016-04-21 Two electronic jar landing legs lift two -wheeled hand push freight train that stair can be climbed to helping hand formula Active CN205930835U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108725523A (en) * 2018-08-09 2018-11-02 国网江苏省电力有限公司南通供电分公司 A kind of power grid erection electric pole cart
CN109353399A (en) * 2018-10-15 2019-02-19 潘秀兰 Electric cart for going-up stairs and its control method
CN111422229A (en) * 2020-05-19 2020-07-17 中国建筑第七工程局有限公司 Transport trolley for climbing stairs

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108725523A (en) * 2018-08-09 2018-11-02 国网江苏省电力有限公司南通供电分公司 A kind of power grid erection electric pole cart
CN108725523B (en) * 2018-08-09 2023-09-22 国网江苏省电力有限公司南通供电分公司 Electric pole trolley for power grid erection
CN109353399A (en) * 2018-10-15 2019-02-19 潘秀兰 Electric cart for going-up stairs and its control method
CN111422229A (en) * 2020-05-19 2020-07-17 中国建筑第七工程局有限公司 Transport trolley for climbing stairs
CN111422229B (en) * 2020-05-19 2023-08-08 中国建筑第七工程局有限公司 Stair climbing transportation trolley

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