CN211075566U - Hand-held heavy-load mobile carrier - Google Patents

Hand-held heavy-load mobile carrier Download PDF

Info

Publication number
CN211075566U
CN211075566U CN201921509774.1U CN201921509774U CN211075566U CN 211075566 U CN211075566 U CN 211075566U CN 201921509774 U CN201921509774 U CN 201921509774U CN 211075566 U CN211075566 U CN 211075566U
Authority
CN
China
Prior art keywords
armrest
button
heavy
carrier
driving motor
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.)
Active
Application number
CN201921509774.1U
Other languages
Chinese (zh)
Inventor
戴雅琴
吴如春
丁宇
张唯
王选伟
黄超超
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.)
Continental Investment China Co ltd
Original Assignee
Continental Investment China 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 Continental Investment China Co ltd filed Critical Continental Investment China Co ltd
Priority to CN201921509774.1U priority Critical patent/CN211075566U/en
Application granted granted Critical
Publication of CN211075566U publication Critical patent/CN211075566U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations

Landscapes

  • Toys (AREA)

Abstract

The utility model discloses a hand-held heavy load removes carrier. The utility model discloses an add the rotation type operation control system who leans on motor drive for hand-held removal carrier, solved hand-held removal carrier and removed, turned to the problem of difficulty when carrying the heavy object for the user can use the light transport heavy object of removal carrier, and operating method is simple and convenient easy to learn, has improved handling efficiency.

Description

Hand-held heavy-load mobile carrier
Technical Field
The utility model relates to a remove the carrier field, in particular to hand-held heavy load removes carrier.
Background
In the field of mobile carriers, conventional handheld mobile carriers, such as flatbeds for mobile homes and trolleys for factories, are not provided with a power assisting system, and the mobile carriers with the power assisting system are not suitable for the use scenarios in terms of cost, control and the like. Therefore, when the carried article is heavy, especially more than 400kg, the friction resistance between the wheels and the ground is increased due to the heavy weight, and the article is difficult to push only by manpower. Therefore, a hand-held heavy-load mobile carrier which can meet the heavy-load mobile requirement, has low cost and is simple and convenient to operate is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the existing hand-held mobile carrier is difficult to push only by manpower when in heavy load. The utility model provides a hand-held heavy load removes carrier through adding motor and corresponding operation control system for removing the carrier for the user can easily promote to remove the heavier article of carrier transport, and easy and simple to handle easy to learn, can improve artifical handling efficiency.
In order to solve the technical problem, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, including the automobile body, locate drive wheel and driving motor on the automobile body, directive wheel, still include: at least one rotatable armrest is fixedly connected with the vehicle body; a drive button; the controller is in communication connection with the handrail, the driving motor and the driving button and is used for controlling the rotating direction of the driving motor according to the driving button and controlling the rotating speed of the driving motor according to the rotating angle of the handrail so as to determine the moving speed of the moving carrier; wherein the steering of the steering wheel is changed according to the external force applied to the handrail.
By adopting the technical scheme, a user can control the moving speed of the moving carrier by operating the handrail, can steer by manual direct control, can easily push the moving carrier to carry heavier objects, and is simple and convenient to operate.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, and actuating button includes the button of advancing and retreats the button, and the controller is according to received level signal's height control driving motor's direction of rotation.
Preferably, the controller receives a high signal when the forward button is pressed, and/or receives a low signal when the backward button is pressed.
By adopting the technical scheme, the user can conveniently control the moving direction of the moving carrier.
According to the utility model discloses a still another embodiment, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, and the controller passes through the rotational speed of pulse width modulation ripples control driving motor.
Preferably, the mobile vehicle further includes an analog-to-digital converter, the analog-to-digital converter is in communication connection with the armrest and the controller, the rotation angle of the armrest is converted into a corresponding digital signal through the analog-to-digital converter, and the controller determines the duty ratio of the pulse width modulation wave according to the value of the digital signal, so as to control the rotation speed of the driving motor.
Further preferably, the pair of armrests are both rotatable, the rotation angle of the left armrest is converted into a first digital signal through an analog-to-digital converter, the rotation angle of the right armrest is converted into a second digital signal through an analog-to-digital converter, and the controller determines the duty ratio of the pulse width modulation wave according to the product of the first digital signal and the second digital signal.
By adopting the technical scheme, the user can more simply control the moving speed of the hand-held heavy-load moving carrier, and the use safety of the moving carrier is ensured.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, and the turning to of directive wheel changes according to the horizontal external force that the handrail received.
Preferably, the steerable wheels are universal wheels. By adopting the technical scheme, the steering of the vehicle body can be flexibly controlled by a user while the production cost is saved.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, and the handrail that removes the carrier is cylindrical, and the handrail symmetry sets up in driving button's the left and right sides, and driving button passes through handrail and body connection, and drive wheel and directive wheel set up respectively in the both sides of automobile body along the length direction of automobile body.
By adopting the technical scheme, the operation of a user can be facilitated, and the structure of the mobile carrier is more stable and firm.
According to the utility model discloses a another embodiment, the utility model discloses an embodiment discloses a hand-held heavy load removes carrier, removes the carrier and removes the benefit electricity dolly, has the battery package that can charge to the electric motor car in the automobile body and supporting the rifle that charges that sets up on the automobile body.
By adopting the technical scheme, the hand-held heavy-load mobile carrier can provide convenient and efficient power supply for the electric vehicle, and the problem that the electric vehicle cannot be used continuously after power is exhausted in the midway of running is solved.
Drawings
Fig. 1 is a schematic connection diagram of a walk-behind heavy-duty mobile carrier according to an embodiment of the present invention;
fig. 2 is a perspective view of a walk behind heavy duty mobile carrier according to an embodiment of the present invention;
fig. 3 shows a bottom view of a handheld heavy-duty mobile carrier according to an embodiment of the present invention.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 shows a schematic connection diagram of a handheld heavy-duty mobile carrier according to an embodiment of the present invention. Fig. 2 is a perspective view of a walk behind heavy load mobile carrier according to an embodiment of the present invention. As shown in fig. 1-2, an embodiment of the present invention provides a hand-held heavy-load mobile carrier 1, which includes a vehicle body 10, a driving wheel 12 and a driving motor 14, which are disposed on the vehicle body 10, and a steering wheel 13, and further includes: a pair of at least one rotatable armrest 16, the armrest 16 being fixedly attached to the vehicle body 10; an actuation button 11; the controller 15 is in communication connection with the armrest 16, the driving motor 14 and the driving button 11, and is used for controlling the rotation direction of the driving motor 14 according to the driving button 11 and controlling the rotation speed of the driving motor 14 according to the rotation angle of the armrest 16 so as to determine the moving speed of the mobile vehicle 1; wherein the steering of the steering wheel 13 is changed according to the external force applied to the armrest 16.
Adopt above-mentioned technical scheme, when using the embodiment of the utility model discloses when hand-held heavy load removal carrier 1 removes the heavy object, the user can control the removal that removes carrier 1 through operating handle 16 and actuating button 11, reaches the effect that the user can easily promote the removal carrier 1 and carry the article that is extremely heavy, has improved handling efficiency greatly, has reduced artificial labour. Especially when the weight exceeds 400kg, it is difficult to push the mobile carrier by manpower, and the walking heavy-load mobile carrier 1 provided by the utility model can still effectively and laborsavingly carry the weight.
Another embodiment of the present invention provides a hand-held heavy-duty mobile carrier 1, wherein the driving button 11 comprises a forward button and a backward button. In the process of carrying heavy objects, the main moving direction of the mobile carrier 1 comprises forward and backward, and the arrangement of the two buttons is beneficial for a user to carry out simple operation selection to control the moving direction of the mobile carrier 1. In combination with the armrest 16, for the user, the control of the forward and backward movement direction and the control of the movement are separately set, the user can press the forward or backward button first to select the direction, and at this time, the mobile carrier 1 does not move; by turning the armrest 16, the mobile vehicle 1 moves according to the selected forward-backward direction, which makes the operation easy and safe.
Preferably, the controller 15 receives a high signal when the forward button is pressed, and/or the controller 15 receives a low signal when the backward button is pressed.
Further preferably, the controller 15 controls the rotation direction of the driving motor 14 according to the level of the received level signal. The controller 15 controls the rotation direction of the driving motor 14 according to the received level signal, when the controller 15 receives a high level signal, the driving motor 14 is controlled to rotate along a first direction, at this time, the driving motor 14 drives the vehicle body 10 to move forward through the driving wheel 12, when the controller 15 receives a low level signal, the driving motor 14 is controlled to rotate along a second direction, at this time, the driving motor 14 drives the vehicle body 10 to move backward through the driving wheel 12. It is understood that the driving motor 14 includes two rotation directions of forward rotation and reverse rotation, and the first direction in the present embodiment refers to a state that the driving motor 14 rotates in the direction, and the vehicle body 10 is driven by the driving wheel 12, so that the mobile vehicle 1 is in a forward direction. The driving motor 14 may be rotated in the forward direction or in the reverse direction, and as is generally understood, the rotation direction of the driving motor 14 is the forward direction. Similarly, the second direction in the present embodiment is another rotation direction opposite to the first direction, and means that when the driving motor 14 rotates in the direction, the driving wheel 12 drives the vehicle body 10, so that the mobile vehicle 1 is in a state of moving backward. In the present embodiment, by the connection cooperation among the driving button 11, the controller 15, the driving motor 14 and the driving wheel 12, it is achieved that the moving direction of the mobile carrier 1 is easily controlled according to the operation instruction of the user.
Another embodiment of the present invention provides a hand-held heavy-duty mobile carrier 1, wherein the controller 15 controls the rotation speed of the driving motor 14 through the pwm wave.
Preferably, the mobile vehicle 1 further includes an analog-to-digital converter (not shown), the analog-to-digital converter is in communication connection with the armrest 16 and the controller 15, the rotation angle of the armrest 16 is converted into a corresponding digital signal through the analog-to-digital converter, and the controller 15 determines the duty ratio of the pulse width modulation wave according to the value of the digital signal, so as to control the rotation speed of the driving motor 14. Adopt above-mentioned technical scheme to make the utility model discloses embodiment in an operation method of removal carrier 1 is simply easy to learn, convenience of customers controls.
Further preferably, the pair of armrests 16 are both rotatable, the rotation angle of the left armrest is converted into a first digital signal by an analog-to-digital converter, the rotation angle of the right armrest is converted into a second digital signal by an analog-to-digital converter, and the controller 15 determines the duty ratio of the pwm wave according to the product of the first digital signal and the second digital signal. When removal carrier 1 be applied to personnel a lot of such as mill, when the mixed place of equipment, if two handrails 16 only have one can rotate to through the moving speed of rotation angle control automobile body 10, then probably appear rotating the emergence of unexpected incident such as handrail 16 because article fall accident, and personnel's maloperation leads to removing the removal of carrier 1. Therefore, in the present embodiment, the left and right armrests 16 are both provided to be rotatable, and the duty ratio of the pulse width modulated wave is controlled by the product of the digital signals converted by the rotation angle. By adopting the technical scheme, if one handrail 16 is rotated due to falling of a heavy object or manual misoperation, at the moment, because the duty ratio of the pulse width modulation wave is determined by the product of two digital signals, the rotation angle of the other handrail 16 is 0 degree, the value of the corresponding digital signal is 0, and the product is 0, the driving motor 14 cannot rotate at the moment, so that the occurrence probability of misoperation can be effectively reduced, and the use safety and the personnel safety of the mobile carrier 1 are ensured.
An embodiment of the utility model also provides a hand-held heavy load removes carrier 1, and the turning to of directive wheel 13 changes according to the horizontal external force that handrail 16 received. When using the embodiment of the utility model provides an in the time of hand-held heavy load removal carrier 1 transport goods, because the goods is heavier, whole in-process needs to remain stable as far as possible, especially to turning to, hand-held heavy load removal carrier 1 that provides in this embodiment turns to according to the external force realization that the handrail 16 receives is manpower usually, can realize stable turning to. By adopting the technical scheme, the method conforms to the common operation habit of the user and ensures the safety.
Preferably, the steerable wheels 13 are universal wheels. The use of the universal wheels can achieve the effect of helping the user flexibly control the steering of the vehicle body 10, and at the same time, since no additional improvement is needed, the production cost is saved. However, it should be understood that the steering wheel 13 is a rotatable structure, and the universal wheel is only a preferred embodiment thereof, the present invention does not limit the specific rotatable angle of the steering wheel 13, and can be adaptively designed and improved according to different application scenarios, but as long as the present invention is aimed at achieving the objects of the present invention, the present invention should be within the protection scope of the present invention.
Fig. 3 shows a bottom view of a walk behind heavy duty mobile vehicle according to yet another embodiment of the present invention. As shown in fig. 2-3, an embodiment of the present invention provides a hand-held heavy-load mobile carrier 1, in which the armrest 16 is cylindrical, the armrest 16 is symmetrically disposed on the left and right sides of the driving button 11, the driving button 11 is connected to the vehicle body 10 through the armrest 16, and the driving wheel 12 and the steering wheel 13 are disposed on two sides of the vehicle body 10 respectively along the length direction of the vehicle body 10. Not only can be convenient for the user to operate, but also the structure of the mobile carrier 1 is more stable and firm.
Another embodiment of the utility model provides a hand-held heavy load removes carrier 1 still, removes carrier 1 and removes the benefit electricity dolly, has the battery package (not shown) that can charge to the electric motor car in the automobile body 10 and sets up the rifle (not shown) that charges on automobile body 10 with supporting. In the production operation and the life process, the condition that electric power runs out often appears in the electric motor car (including electric automobile, electric bicycle etc.), and fill electric pile's rigidity, distribute again inhomogeneous and few, consequently can't provide timely effectual electric power supply for the electric motor car in the use. And the utility model discloses a hand-held type heavy load removes carrier 1 load-carrying capacity reinforce, therefore can dispose the battery package of high electric storage capacity in automobile body 10, and its stability is high, is convenient for remove. Therefore, the movable power supply trolley can be used as a movable power supply trolley, convenient and efficient power supply is provided for the electric vehicle, and the problem that the electric vehicle cannot be used continuously due to power exhaustion in the midway of running is effectively solved.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a hand-held heavy load removes carrier which characterized in that, includes the automobile body, locates drive wheel and driving motor, the directive wheel on the automobile body still includes:
at least one rotatable armrest is fixedly connected to the vehicle body;
a drive button;
the controller is in communication connection with the armrest, the driving motor and the driving button, and is used for controlling the rotating direction of the driving motor according to the driving button and controlling the rotating speed of the driving motor according to the rotating angle of the armrest so as to determine the moving speed of the moving vehicle;
wherein the steering of the steering wheel is changed according to the external force applied to the armrest.
2. The handheld heavy-duty mobile carrier of claim 1, wherein said drive buttons include a forward button and a reverse button, and said controller controls a rotation direction of said drive motor according to a level of the received level signal.
3. A handheld heavy-duty mobile vehicle according to claim 2, wherein said controller receives a high signal when said forward button is pressed and/or receives a low signal when said reverse button is pressed.
4. The handheld heavy-duty mobile vehicle of claim 1, wherein said controller controls a speed of rotation of said drive motor via a pulse width modulated wave.
5. The handheld heavy-duty mobile vehicle of claim 4, further comprising an analog-to-digital converter, wherein the analog-to-digital converter is in communication with the armrest and the controller, the rotation angle of the armrest is converted into a corresponding digital signal by the analog-to-digital converter, and the controller determines the duty cycle of the PWM wave according to the value of the digital signal, thereby controlling the rotation speed of the driving motor.
6. A handheld heavy-duty mobile vehicle according to claim 5, wherein a pair of said armrests are rotatable, the rotation angle of the left armrest is converted into a first digital signal by said A/D converter, the rotation angle of the right armrest is converted into a second digital signal by said A/D converter, and said controller determines the duty cycle of the PWM wave according to the product of said first digital signal and said second digital signal.
7. The handheld heavy-duty mobile vehicle of claim 1, wherein a steering of the steerable wheels varies in response to a horizontal external force experienced by the armrest.
8. A handheld heavy duty mobile vehicle according to claim 7, wherein said steerable wheels are universal wheels.
9. A handheld heavy-duty mobile vehicle according to any one of claims 1 to 8, wherein said handrail is cylindrical, said handrail is symmetrically disposed on left and right sides of said driving button, said driving button is connected to said vehicle body through said handrail, and said driving wheel and said steering wheel are respectively disposed on two sides of said vehicle body along a length direction of said vehicle body.
10. A handheld heavy-duty mobile vehicle according to any one of claims 1 to 8, wherein said mobile vehicle is a mobile recharging cart, said cart having a battery pack therein for recharging an electric vehicle and a charging gun mounted thereon.
CN201921509774.1U 2019-09-11 2019-09-11 Hand-held heavy-load mobile carrier Active CN211075566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921509774.1U CN211075566U (en) 2019-09-11 2019-09-11 Hand-held heavy-load mobile carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921509774.1U CN211075566U (en) 2019-09-11 2019-09-11 Hand-held heavy-load mobile carrier

Publications (1)

Publication Number Publication Date
CN211075566U true CN211075566U (en) 2020-07-24

Family

ID=71622819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921509774.1U Active CN211075566U (en) 2019-09-11 2019-09-11 Hand-held heavy-load mobile carrier

Country Status (1)

Country Link
CN (1) CN211075566U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666941A (en) * 2020-12-15 2021-04-16 广东盈峰智能环卫科技有限公司 Hand-held intelligent road sweeper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666941A (en) * 2020-12-15 2021-04-16 广东盈峰智能环卫科技有限公司 Hand-held intelligent road sweeper

Similar Documents

Publication Publication Date Title
EP1689634B1 (en) Motorized towing device
US7490684B2 (en) Self-propelled infant stroller
CN105593113A (en) Powered unicycle device
US9120657B1 (en) Power hand truck
US7926599B2 (en) Motorized barrel cart
US9120499B2 (en) Power assist wheelbarrow
CN211075566U (en) Hand-held heavy-load mobile carrier
CA1048446A (en) Electric hand trucks
EP4096958A1 (en) Vehicle auto-charging system and method
US20100078233A1 (en) Conveyance apparatus
US20120012409A1 (en) Power-Assist Hand Truck or Platform Cart
US20070131465A1 (en) Drive wheel assembly for golf bag carts
JP5493506B2 (en) Electric wheelbarrow
US11219165B1 (en) Motorized cart for transporting agricultural harvest containers
CN207120787U (en) A kind of electronic loading stair climbing vehicle
CN210101684U (en) Novel handcart
KR100626197B1 (en) Electric notion cart for handcart transfer
US20050230928A1 (en) Power assisted hand truck
EP3878712A1 (en) A motorized wheelbarrow
CN116039741A (en) Electric-drive walking transport vehicle and operation system
CN213228671U (en) Hand cart
CN210236233U (en) Multifunctional rail material transport vehicle
CN211663352U (en) Charger robot suitable for different road conditions
KR200398906Y1 (en) Electric notion cart for handcart transfer
CN101811513A (en) Transporting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant