CN110116743A - A kind of multi-purpose wheelbarrow - Google Patents
A kind of multi-purpose wheelbarrow Download PDFInfo
- Publication number
- CN110116743A CN110116743A CN201910370925.8A CN201910370925A CN110116743A CN 110116743 A CN110116743 A CN 110116743A CN 201910370925 A CN201910370925 A CN 201910370925A CN 110116743 A CN110116743 A CN 110116743A
- Authority
- CN
- China
- Prior art keywords
- face plate
- returning face
- car body
- cantilever
- purpose wheelbarrow
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
- B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
- B62B3/0612—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground power operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/08—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving tiltably-mounted containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0036—Arrangements of motors
- B62B5/0046—One motor drives two wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/38—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with separate prime movers for crane and vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
The present invention discloses a kind of multi-purpose wheelbarrow, including a moveable car body, and the rear portion of car body is equipped with handrail, further includes: returning face plate, returning face plate are rotatablely installed on the car body；Overturning drive device, overturning drive device are set on car body, and overturning drive device driving returning face plate rotates counterclockwise or clockwise in a certain range；At least one cantilever, cantilever are set on returning face plate, and hoisting heavy can be achieved with the overturning of returning face plate in cantilever；Control device, control device are set on handrail, and control device unit is to control overturning drive device driving returning face plate flip-flop movement；And vehicle power supply, vehicle power supply are set on car body and to power supply for electrical equipment.The invention has the benefit that suspending object in midair using cantilever, replaces tradition to move object to mode on vehicle, physical strength is greatly saved, facilitates the transhipment of heavy objects.
Description
Technical field
The invention belongs to material transfer technical fields, and in particular to a kind of multi-purpose wheelbarrow.
Background technique
In everyday home life, cart is greatly saved manpower, improves operation as a kind of equipment for carrying material
Efficiency,.The advantages of cart, clearly low cost, maintenance were simple and convenient to operate, from heavy and light, can be in motor vehicles inconvenience
The local work used, it is very convenient in short-haul operation article, therefore be widely applied in production and life.
But the function of cart is very single currently on the market, is only limitted to transport cargo, and people is still needed in handling goods
For work by object transport to vehicle, the bringing up to of object moves down the two processes there is still a need for being completed by manpower mode, if object itself
Quality is larger, this process will will increase labor intensity, is even unable to complete handling work.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, provide a kind of multi-purpose wheelbarrow, can carry compared with
The transfer of object, while also expansible trailer function can be realized when weight body in such a way that direct lifting replaces carrying, is made
Trailer has other extension operation functions.
To solve prior art problem, the invention discloses a kind of multi-purpose wheelbarrow, including a moveable car body, car bodies
Rear portion be equipped with handrail, further includes:
Returning face plate, returning face plate are rotatablely installed on the car body；
Overturning drive device, overturning drive device are set on car body, and overturning drive device drives returning face plate inverse in a certain range
Hour hands rotate clockwise；
At least one cantilever, cantilever are set on returning face plate, and hoisting heavy can be achieved with the overturning of returning face plate in cantilever；
Control device, control device are set on handrail, and control device is to control overturning drive device driving returning face plate overturning fortune
It is dynamic；And
Vehicle power supply, vehicle power supply are set on car body and to power supply for electrical equipment.
Further,
For cantilever by that can be adjustably arranged on returning face plate in the expansion bracket that width direction is stretched, cantilever angle with horizontal plane can
Adjustably it is set on expansion bracket.
Further,
The number of cantilever and expansion bracket is two, is both symmetrically set on returning face plate.
Further,
One end of cantilever is equipped with hook.
Further,
It is equipped with a wagon box to the top side detachable of returning face plate.
Further,
The rear portion of car body is equipped with clump weight.
Further,
The front of returning face plate is removably equipped with a pushing snowboard.
Further,
The front of car body is removably equipped with one and pulls.
Further,
The rear portion of car body is equipped with column, and the front end of handrail is downwardly extending extension frame, extends frame and connect with column.
Further,
Control device is equipped with car light and controls the lighting button of car light.
Further,
Overturning drive device is plunger elevator or electric hoisting device.
Further,
Further include remote control device, remote control device is connected with control device, thus by remote control device control returning face plate counterclockwise or
It turns clockwise.
Further,
The bottom of car body is equipped with front wheels and rear wheels, and the total quantity of front wheels and rear wheels is three or four, and rear-wheel is with service brake
Universal wheel.
Further,
Car body is equipped with driving device, and driving device is connected with the shaft of front-wheel to drive front-drive；Handrail is equipped with a pair
For the control handle of right-hand man's combined operation, the driving speed of driving device changes with the change of the rotational angle of control handle
Become, the rotation direction of driving device changes with the change of the rotation direction of control handle.
The invention has the benefit that
1, replace tradition to move object to mode on vehicle, physical strength is greatly saved, facilitates the transhipment of heavy objects；Returning face plate
On can also be adapted to pushing snowboard, pull, to provide clear snow and trailer function, greatly extend the operation purposes of cart, for
Family saves the cost for buying other operating equipments.
2, as cart in use, cantilever can be used as guardrail uses, to provide protection to object contained on vehicle；Make
For crane in use, cantilever can be used as boom use, for lifting weight, fast implement weight from a place to another
Moving for place, solves the problems, such as that existing cart can not be carried more than the weight within the scope of manpower.
3, cart improves the transporting capacity of cart, reduces the labor intensity of user using electric power as driving force.
4, have the function of remote control, by remote control device, when lifting weight, user can in cart front-end operations,
On one side bind help steady object, while control lifting, it is user-friendly.
Detailed description of the invention
Fig. 1 is structural perspective of the one embodiment of the invention under traditional transport mode；
Fig. 2 is structure front view of the embodiment illustrated in fig. 1 under loading movement；
Fig. 3 is structural perspective of the embodiment illustrated in fig. 1 under uninstall action；
Fig. 4 is structural perspective of the one embodiment of the invention under lifting operation mode；
Fig. 5 is structure front view of the embodiment illustrated in fig. 4 at the first lifting position；
Fig. 6 is structure front view of the embodiment illustrated in fig. 4 at the second lifting position；
Fig. 7 is structure front view of the embodiment illustrated in fig. 4 after hoisting object；
Fig. 8 is structure front view of the embodiment illustrated in fig. 4 after lifting by crane object；
Fig. 9 is structural perspective of the embodiment illustrated in fig. 1 in clear snow mode；
Figure 10 is structural perspective of the embodiment illustrated in fig. 1 under the mode of pulling；
Figure 11 is structural perspective of the embodiment illustrated in fig. 1 under flat-pushing mode.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figures 1 to 3, the rear portion of a kind of multi-purpose wheelbarrow, including a moveable car body 2, car body 2 is equipped with handrail
10, a returning face plate 5 is rotatablely installed on car body 2, and the front of preferably returning face plate 5 is rotatably installed in the front of car body 2, and the rear part rotates
Moving axis rotation.One overturning drive device 12, the lifting push rod of overturning drive device 12 are hingedly installed between car body 2 and returning face plate 5
The bottom of returning face plate 5 is connected to drive the rear end of returning face plate 5 to rotate in a certain range around the rotation axis of returning face plate 5.Returning face plate 5
It can be rotated between horizontality and the heeling condition of certain angle.Car body 2 is equipped with supporting element 24 to support in horizontal
Returning face plate 5 when state.Returning face plate 5 be equipped with it is a pair of can the flexible expansion bracket 3 in two sides to the left and right, mounting means are as follows: turning over
The front of rotating plate 5 is equipped with a transverse tube 31 in the width direction, and transverse tube 31 is equipped with outer pin hole, expansion bracket 3 close to the position of each end
With laterally inserted part, which is equipped with the inner pinhole along lineal layout, the end of laterally inserted part insertion transverse tube 31
Behind portion, the inner pinhole for representing corresponding collapsing length is aligned with outer pin hole, is then inserted into adjustment pin 26 the two is fixed.
Expansion bracket 3 changes whole width by adjusting collapsing length, is actually subjected to so that the cargo space on returning face plate 5 be made to meet
It asks.
Cantilever 4, mounting means are as follows: deep position is set on cantilever 4 are adjustably equipped on each expansion bracket 3
There are two fixation hole, the fixation hole there are four rectangular array distribution is set on expansion bracket 3, when the fixation hole on cantilever 4 and is stretched
When any two fixation hole is aligned on frame 3, it is inserted into a bolt 22 respectively and fixes the two, it can by the connection of different fixation holes
To realize the setting of the different postures of cantilever 4.Cantilever 4 is equipped with a hook 27 far from one end of fixation hole.In the present embodiment, cantilever
4 is horizontally disposed, and the one end for being equipped with hook 27 is arranged backward, so that entire cantilever 4 be made to be arranged backward and have the function of guardrail.
After placing object on returning face plate 5 at this time, cantilever 4 can carry out left and right constraint to object, prevent sidesway.The surface of returning face plate 5
Increase friction equipped with slip-resistant texture, it is mobile to further avoid object.Multi-purpose wheelbarrow further includes control device 11 and vehicle mounted electric
Source, control device 11 are set on handrail 10, and control device 11 is equipped with an initiation key hole 20 and an elevating control key 17, are inserted
Enter after initiation key and rotate initiation key and cart is powered, elevating control key 17 is allocated to the controllable overturning in side at this time and is driven
Dynamic device 12 lifts returning face plate 5, and being allocated to the other side will be such that returning face plate 5 falls.In order to realize to initiation key or other articles
Storage, be additionally provided with storage box 15 on control device 11.Storage box 15 settable two, and before being symmetrically distributed in handrail 10
Side.Vehicle power supply is set on car body 2 and to power supply for electrical equipment.The rear portion of car body 2 is equipped with column 6, and the front end of handrail 10 is downward
It extending to form and extends frame 7, extend frame 7 and connect using bolt 23 with column 6, the connection type is identical as the connection type of cantilever 4,
Therefore it does not repeat.
Control device 11 is equipped with car light 21 and controls the lighting button 18 of car light 21, to make in the environment of light difference
With.Overturning drive device 12 is plunger elevator or electric hoisting device.
Car body 2 realizes movement using wheel, and specifically, the bottom of car body 2 is equipped with front-wheel 13 and rear-wheel 14, and front-wheel 13 is with after
The total quantity of wheel 14 is three or four, and rear-wheel 14 is the universal wheel with service brake 21.In order to improve the carrying capacity of cart, push away
Vehicle uses electric drive, and car body 2 is equipped with driving device 11, the preferred power gear motor of driving device 1, driving device 11 and front-wheel
13 shaft is connected to drive front-wheel 13 to rotate；Handrail 10 is equipped with scram button 16 and a pair of control for right-hand man's combined operation
The driving speed of knob 19 processed, driving device 11 changes with the change of the rotational angle of control handle 19, driving device 11
Rotation direction changes with the change of the rotation direction of control handle 19.In the present invention, the steering of cart relies on manpower and drives
Universal wheel is realized, but the steering of cart can also be realized using electric powered steering wheel, and specific structure repeats no more.
Object can directly be moved on returning face plate 5 when carrying large object, it, can when carrying smallclothes or granular substance
A wagon box 1 is equipped at the top of returning face plate 5 to realize the receiving of this type objects.Removably installation can be used in wagon box 1.In order to keep away
Exempt from the center of gravity Forward in unloading and caused by lean forward, the rear portion of car body 1 is equipped with clump weight 8, so that center of gravity be made backward, to keep always
The stabilization of cart.
In order to improve convenience, operate user from vehicle, which further includes remote control device, and remote control device can be with
It is connect using wireless mode with control device, can also be connect using wired mode with control device, can directly be passed through in this way
The rotation of control returning face plate 5 is input operation instruction to remote control device, remote control device can be accommodated in storage box 15 when not used.
As shown in Fig. 4 to 8, in order to make cart realize the function at lifting noon, the hook 27 of cantilever 4 can be set forward
It sets, the state for stretching out entire cantilever 4 forwardly, cart has crane capacity at this time.When lifting by crane object, by returning face plate 5
Rear end is lifted, and the front end decline of cantilever 4, then ties down object using with the suspender belt 30 of hanging ring 28 at this time, after hanging ring 28 is hung
On hook 27.Then returning face plate 5 is restored to original state, front end of cantilever 4 lifts to hang on object during this
Ground.Then the state is kept, mobile handcart to destination and then reverse operating, which put down object, can be completed entire transhipment work
Make.
As shown in figure 9, the front of returning face plate 5 is removably equipped with pushing snowboard 32, transport goods so that cart not only has
Function, can simultaneously serve as snow grader use, the mounting means of pushing snowboard are as follows: 5 bottom of returning face plate is arranged one along its length
Longitudinal tubule (L tubule) 5, the back side of pushing snowboard 32 are equipped with intubation, are connected the two using bolt after intubation insertion longitudinal tubule (L tubule) 5.In this way, snow pushing
Plate 32 also can move up and down to make bottom edge that can realize better clear snow function near to or in contact with ground.
As shown in FIG. 10 and 11, the front of car body 2 is removably equipped with one and pulls 33, so that cart can be convenient pair simultaneously
Other vehicles carry out pulling traction, allow user that can accomplish a Che Duoyong, which can be inserted into the company of completion in longitudinal tubule (L tubule) 5
Connect, will pull 33 remove after, then revert to cart mode.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (14)
1. the rear portion of a kind of multi-purpose wheelbarrow, including a moveable car body (2), the car body (2) is equipped with handrail (10), special
Sign is:
Further include:
Returning face plate (5), the returning face plate (5) are rotatably installed on the car body (2)；
Overturning drive device (12), the overturning drive device (12) are set on the car body (2), the overturning drive device
(12) returning face plate (5) is driven to rotate counterclockwise or clockwise in a certain range；
At least one cantilever (4), the cantilever (4) are set on the returning face plate (5), and the cantilever (4) is with the returning face plate
(5) hoisting heavy can be achieved in overturning；
Control device (11), the control device (11) are set on the handrail (10), and the control device (11) is to control
The overturning drive device (12) drives returning face plate (5) flip-flop movement；And
Vehicle power supply, the vehicle power supply are set on the car body (2) and to power supply for electrical equipment.
2. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The cantilever (4), which passes through, to be adjustably arranged on the returning face plate (5) in the expansion bracket (3) that width direction is stretched,
Cantilever (4) angle with horizontal plane is adjustably arranged on the expansion bracket (3).
3. a kind of multi-purpose wheelbarrow according to claim 2, it is characterised in that:
The number of the cantilever (4) and the expansion bracket (3) is two, is both symmetrically set on the returning face plate (5).
4. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
One end of the cantilever (4) is equipped with hook (27).
5. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
It is equipped with a wagon box (1) to the top side detachable of the returning face plate (5).
6. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The rear portion of the car body (1) is equipped with clump weight (8).
7. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The front of the returning face plate (5) is removably equipped with a pushing snowboard (32).
8. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The front of the car body (2) is removably equipped with one and pulls (33).
9. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The rear portion of the car body (2) is equipped with column (6), and the front end of the handrail (10), which is downwardly extending, extends frame (7), described
Extend frame (7) to connect with the column (6).
10. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The control device (11) is equipped with the lighting button (18) of car light (21) and the control car light (21).
11. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
The overturning drive device (12) is plunger elevator or electric hoisting device.
12. a kind of multi-purpose wheelbarrow according to claim 1, it is characterised in that:
It further include remote control device, the remote control device is connected with the control device, to control institute by the remote control device
It states returning face plate (5) counterclockwise or turns clockwise.
13. a kind of multi-purpose wheelbarrow according to any one of claims 1 to 12, it is characterised in that:
The bottom of the car body (2) is equipped with front-wheel (13) and rear-wheel (14), the sum of the front-wheel (13) and the rear-wheel (14)
Amount is three or four, and the rear-wheel (14) is the universal wheel with service brake (21).
14. a kind of multi-purpose wheelbarrow according to claim 13, it is characterised in that:
The car body (2) be equipped with driving device (11), the driving device (11) be connected with the shaft of the front-wheel (13) with
The front-wheel (13) are driven to rotate；The handrail (10) is equipped with a pair of control handle (19) for right-hand man's combined operation, institute
The driving speed for stating driving device (11) changes, the driving device with the change of the rotational angle of the control handle (19)
(11) rotation direction changes with the change of the rotation direction of the control handle (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370925.8A CN110116743B (en) | 2019-05-06 | 2019-05-06 | Multifunctional cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370925.8A CN110116743B (en) | 2019-05-06 | 2019-05-06 | Multifunctional cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110116743A true CN110116743A (en) | 2019-08-13 |
| CN110116743B CN110116743B (en) | 2020-10-13 |
Family
ID=67521834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370925.8A Active CN110116743B (en) | 2019-05-06 | 2019-05-06 | Multifunctional cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110116743B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257255A1 (en) * | 2021-06-11 | 2022-12-15 | 青岛华天车辆有限公司 | Novel dump cart |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376455A (en) * | 2001-04-27 | 2002-12-18 | Christopher Jon Massey | Counter-weighted load handling |
| DE102010036484A1 (en) * | 2010-07-19 | 2012-01-19 | Martin Andreas Spiecker | Barrow for use on staircase i.e. upstairs, has frame comprising two grasp arms for raising and pushing barrow, and running wheel secured at one of frame side facing other frame side, where arms are protruded from two different frame sides |
| US9073565B1 (en) * | 2011-04-28 | 2015-07-07 | David P. Efraimson | Log hauling hand truck |
| CN207192698U (en) * | 2017-09-15 | 2018-04-06 | 洛阳大生新能源开发有限公司 | A kind of charging vehicle with lifting, lifting and turn over function |
| CN207809471U (en) * | 2017-12-21 | 2018-09-04 | 漳浦科瑞建材贸易有限公司 | A kind of building materials transport vehicle |
| CN208306707U (en) * | 2018-05-09 | 2019-01-01 | 杭州亦剑机械有限公司 | The accessory that freezes conveys material frame |
-
2019
- 2019-05-06 CN CN201910370925.8A patent/CN110116743B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376455A (en) * | 2001-04-27 | 2002-12-18 | Christopher Jon Massey | Counter-weighted load handling |
| DE102010036484A1 (en) * | 2010-07-19 | 2012-01-19 | Martin Andreas Spiecker | Barrow for use on staircase i.e. upstairs, has frame comprising two grasp arms for raising and pushing barrow, and running wheel secured at one of frame side facing other frame side, where arms are protruded from two different frame sides |
| US9073565B1 (en) * | 2011-04-28 | 2015-07-07 | David P. Efraimson | Log hauling hand truck |
| CN207192698U (en) * | 2017-09-15 | 2018-04-06 | 洛阳大生新能源开发有限公司 | A kind of charging vehicle with lifting, lifting and turn over function |
| CN207809471U (en) * | 2017-12-21 | 2018-09-04 | 漳浦科瑞建材贸易有限公司 | A kind of building materials transport vehicle |
| CN208306707U (en) * | 2018-05-09 | 2019-01-01 | 杭州亦剑机械有限公司 | The accessory that freezes conveys material frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257255A1 (en) * | 2021-06-11 | 2022-12-15 | 青岛华天车辆有限公司 | Novel dump cart |
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| Publication number | Publication date |
|---|---|
| CN110116743B (en) | 2020-10-13 |
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