CN105774860A - Trolley capable of shifting between turning and orientated straight driving - Google Patents
Trolley capable of shifting between turning and orientated straight driving Download PDFInfo
- Publication number
- CN105774860A CN105774860A CN201610296043.8A CN201610296043A CN105774860A CN 105774860 A CN105774860 A CN 105774860A CN 201610296043 A CN201610296043 A CN 201610296043A CN 105774860 A CN105774860 A CN 105774860A
- Authority
- CN
- China
- Prior art keywords
- car body
- turning
- craspedodrome
- directed
- switch
- 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.)
- Pending
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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
- B62B3/007—Coaster wagons
-
- 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
Abstract
The invention belongs to the field of cargo transportation equipment, and particularly relates to a trolley capable of shifting between turning and orientated straight driving. The trolley comprises a trolley body, wherein a plurality of universal wheels and a plurality of baffle plates are arranged on two sides of the trolley body; the baffle plates correspond to the universal wheels one to one; the plate surface of one end of a moving track of each baffle plate is adhered to the side surface of each universal wheel; a plate body at the other end of the moving track of each baffle plate is positioned outside the rotation track of each universal wheel. The trolley has the beneficial effects that the good direction control effect is good in a straight driving state, the time is shortened, the labor is saved, the security is high, the straight driving and turning state shifting effect is good, the limiting control effect of tooth matching is good, the small-angle turning effect is good, and the adjusting capability is good; moving plates are convenient to push and move, and the limiting fixation effect is good; connecting parts are fixedly connected with one same end of each of two moving plates, then the moving plates can be conveniently stressed to push and move simultaneously, thus being convenient to operate; a light reflecting lamp has an alarm function, thus being high in security; due to the chamfering beta, the universal wheels can be smoothly rotated and effectively adhered to the baffle plates when the moving plates are pushed, no resistance can be generated, and convenience in operation can be achieved.
Description
Technical field
The invention belongs to freight transportation apparatus field, be specifically related to a kind of utility cart that can switch between turning and directed craspedodrome.
Background technology
During industrial and mining establishment produce, even in life, commonly using utility cart, the bottom of described utility cart arranges multiple wheel, is generally four, and every side is respectively provided with two.In real life and production, the utility cart having rear two-wheeled to be universal wheel, the utility cart having front two-wheeled to be universal wheel, even also have four-wheel to be the utility cart of universal wheel.
No matter which kind of utility cart above-mentioned, in actual push-and-pull process, direction all can because of factors such as the four-wheel aligner of physical features, surface roughness and assembling are inaccurate, cause that universal wheel when utility cart is kept straight on rotates, car body left and right deflection is caused to move, it is necessary to adjustment direction is kept straight on again, wastes time and energy；Especially when load-carrying goods, it is particularly acute, the bad control in direction, even causes the accident clashing into both sides article and operative employee to occur.
Summary of the invention
It is an object of the invention to the defect overcoming prior art to exist, it is provided that the direction controlling of craspedodrome state is effective, and adjustment direction is time saving and energy saving, what safety was high can at the utility cart turned and switch between directed craspedodrome.
The technical solution adopted for the present invention to solve the technical problems is: a kind of utility cart that can switch between turning and directed craspedodrome, it includes car body, the both sides of car body direction of advance are equipped with some universal wheels and some baffle plates that can move at vehicle body side, baffle plate and universal wheel one_to_one corresponding, the plate face of each baffle plate motion track one end and the laminating of corresponding universal wheel side, the plate body of each baffle plate motion track other end is positioned at each universal wheel and rotates in a circumferential direction outside track.
The present invention is when keeping straight on, and moving stop, to the support side of corresponding universal wheel, promotes universal wheel to rotate, and makes side face and the baffle plate laminating of universal wheel.On universal wheel, the support being provided with castor wheel can rotate by horizontal 360-degree in dynamic load or static load, so working as baffle plate side face laminating above wheel shaft, then can limit universal wheel and deflect to other directions, and directional effect is good.The side face of baffle plate and universal wheel is fitted, and also can be prevented effectively from the friction of wheel and baffle plate simultaneously, it is simple to traveling.When if desired turning to, only needing moving stop to universal wheel to rotate in a circumferential direction outside track, namely universal wheel turns to and is not limited by baffle plate, and turning efficiency is good.In sum, present invention direction controlling under switching to craspedodrome state is effective, time saving and energy saving, need not manually remove adjustment direction, no matter in load-carrying goods, physical features injustice, when ground is coarse, can carry out rectilinear motion；Under turn condition, universal wheel is freely rotatable, and can freely advance and also can turn.
Specifically, car body both sides in the present invention are respectively and fixedly provided with some guide pads, and it is equipped with movable plate, each movable plate is respectively provided with some gathering sills, each guide pad and the gathering sill one_to_one corresponding at car body homonymy, and it is located in corresponding gathering sill, gathering sill moves forward and backward on the guide pad of car body homonymy for guiding movement plate, the movable plate of car body both sides is all fixed with some baffle plates and is connected.By gathering sill on corresponding guide pad movable, movable plate promotes baffle plate to move to outside corresponding universal wheel rotates in a circumferential direction track, promoting universal crop rotation free walker to enter or turn condition；Movable plate also can promote baffle plate to move the side face to corresponding universal wheel so that universal crop rotation straight line remains forward movement state and makes side face and the baffle plate laminating of universal wheel；Keep straight on notable with turn condition easy switching and effect.
Further, guide pad has the denticle being fixed on vehicle body side, and the top of denticle is flute profile, and flute profile cross section is parallel with vehicle body side, and gathering sill is horizontally disposed with, and top is provided with the flute profile breach coordinated with denticle.The present invention carries out flute profile by denticle with gathering sill and coordinates, can avoid car body climb and fall, jolt, movable plate is caused displacement by the road conditions such as turning on the position of movement, can fix corresponding state lower shifting board position, spacing control is effective.
Preferably, the top between gathering sill two ends is provided with some flute profile breach coordinated with denticle, during the spacing denticle of each flute profile breach between gathering sill two ends, can limit the Partial angle of universal wheel, can carry out low-angle turning, and curving effect is good, and regulating power is strong；The flute profile angle α of each denticle is set to 130 °～170 °, it is simple to operative employee is to movable plate passage in the direction of movement, easy to operate, and spacing good fixing effect.
Specifically, guide pad is provided with limiting section, and limiting section is fixed on denticle one end away from car body, and limiting section departs from from guide pad for preventing gathering sill；At climb and fall, jolting, under the road conditions such as turning, can be prevented effectively from movable plate and drop car body, install good limit effect, denticle and limiting section are that an one-piece parts makes, and maybe can pass through to weld, and being welded in fixing near one end of car body for denticle on car body.
Specifically, present invention additionally comprises the fixing connection in same one end of connector, connector and two pieces of movable plates；It is easy to operative employee the movable plate force of both sides is elapsed simultaneously, easy to operate.
Further, connector is shaft-like, and is positioned at the promotion force side on car body, easy to operate, is particularly located near operative employee's foot position, and operative employee can elapse with foot, more convenient operation.
Specifically, each limiting section is mounted on reflecting lamp.Owing to guide pad is the ridge protruding car body, when transporting goods at ordinary times, when especially light is poor, slightly do not note, it is easy to the article of car body both sides of colliding with or operative employee.Each limiting section is mounted on reflecting lamp, there is warning function, improve safety.
Specifically, each baffle plate is respectively provided with the undercut ss towards car body, and undercut ss is disposed far from the baffle plate side promoting force side on car body.General template part edge thickness is that raw sheet is thick, not chamfer machining.If baffle plate does not have chamfering β, when needs car body is kept straight on, promoting movable plate, baffle plate is likely to the support vertical with universal wheel, it is easy to block, and causes the damage of universal wheel.Now, universal wheel rotates comparatively difficulty, it is necessary to applies bigger power and just can make baffle plate and caster bracket laminating.When the undercut ss of the present invention is easy to promote movable plate forward, universal wheel can being promoted smoothly to rotate, and make the side face of universal wheel and baffle plate effectively fit, whole action is accessible to be completed, and non-resistance is easy to operate.
Preferably, undercut ss is set to when being 30 °～45 °, promotes movable plate more smooth and easy.
The a kind of of the present invention can provide the benefit that at the utility cart turned and switch between directed craspedodrome:
1. present invention direction controlling under switching to craspedodrome state is effective, time saving and energy saving, do not spend adjustment direction, no matter in load-carrying goods, physical features injustice, when ground is coarse, can carrying out rectilinear motion, direction controlling is effective, the accident that will not produce to clash into side article or operative employee occurs, and safety is high；Under turn condition, universal wheel is freely rotatable, and can also can turn voluntarily；
2. being moved forward and backward on corresponding guide pad by gathering sill, movable plate promotes baffle plate to move the support side to corresponding universal wheel, promotes universal wheel to rotate, and makes side face and the baffle plate laminating of universal wheel, keeps straight on and the switching of turn condition is effective；
3. the present invention carries out flute profile by denticle with gathering sill and coordinates, can avoid car body climb and fall, jolt, movable plate is caused skew by the road conditions such as turning in the direction of movement, can fix the movable plate position under corresponding state, spacing control is effective；
4. during the spacing denticle of each flute profile breach between gathering sill two ends, can limiting the Partial angle of universal wheel, can carry out low-angle turning, curving effect is good, and regulating power is strong；The flute profile angle α of each denticle is set to 130 °～170 °, it is simple to operative employee is to movable plate passage in the direction of movement, easy to operate, and spacing good fixing effect；
5. limiting section good limit effect, at climb and fall, jolts, under the road conditions such as turning, can be prevented effectively from movable plate and drop car body, install good limit effect；
6. present invention additionally comprises the fixing connection in same one end of connector, connector and two pieces of movable plates；It is easy to operative employee the movable plate force of both sides is elapsed simultaneously, easy to operate；Connector is shaft-like, and is positioned at the promotion force side on car body, easy to operate, is particularly located near operative employee's foot position, and operative employee can elapse with foot, more convenient operation；
7. each limiting section is mounted on reflecting lamp, there is warning function, improve safety；
8. when the undercut ss of the present invention is easy to promote movable plate forward, universal wheel can being promoted smoothly to rotate, and make universal wheel obtain side face and baffle plate is effectively fitted, whole action is accessible to be completed, and non-resistance is easy to operate.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 be the present invention a kind of can turn and directed keep straight between switch over utility cart be in can turn condition time schematic three dimensional views；
Fig. 2 is the partial enlarged drawing of the part A in Fig. 1；
Fig. 3 is the schematic three dimensional views during craspedodrome state that is in of a kind of utility cart that can switch between turning and directed craspedodrome of the present invention；
Fig. 4 is the front view during craspedodrome state that is in of a kind of utility cart that can switch between turning and directed craspedodrome of the present invention；
Fig. 5 is the top view during craspedodrome state that is in of a kind of utility cart that can switch between turning and directed craspedodrome of the present invention；
Fig. 6 is the partial enlarged drawing of the part B in Fig. 4；
Fig. 7 is the C-C sectional view in Fig. 4；
Fig. 8 is the D-D sectional view in Fig. 6；
Fig. 9 is the partial enlarged drawing of the E part in Fig. 7；
Figure 10 is that a kind of of the present invention can at the 3 d part figure of the guide pad of the utility cart turned and switch between directed craspedodrome；
The a kind of of Figure 11 present invention can at the front view of the guide pad of the utility cart turned and switch between directed craspedodrome.
Wherein: 1. car body；2. universal wheel；3. baffle plate；4. guide pad, 41. denticles, 42. limiting sections；5. movable plate, 51. gathering sills；6. connector；7. reflecting lamp.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
The a kind of of the present invention as Figure 1-Figure 11 can at the specific embodiment of the utility cart turned and switch between directed craspedodrome, it includes car body 1, the both sides of car body 1 direction of advance are equipped with some universal wheels 2 and some baffle plates 3 that can move in car body 1 side, baffle plate 3 and universal wheel 2 one_to_one corresponding, the plate face of each baffle plate 3 motion track one end and the laminating of corresponding universal wheel 2 side, the plate body of each baffle plate 3 motion track other end is positioned at each universal wheel 2 and rotates in a circumferential direction outside track.
The present embodiment is when keeping straight on, and moving stop 3, to the support side of corresponding universal wheel 2, promotes universal wheel 2 to rotate, and makes the side face of universal wheel 2 and baffle plate 3 fit.On universal wheel 2, the support being provided with castor wheel can rotate by horizontal 360-degree in dynamic load or static load, so working as the baffle plate 3 side face laminating above wheel shaft, then can limit universal wheel 2 and deflect to other directions, and directional effect is good.The side face of baffle plate 3 and universal wheel 2 is fitted, and also can be prevented effectively from the friction of wheel and baffle plate 3 simultaneously, it is simple to traveling.When if desired turning to, only needing moving stop 3 to universal wheel 2 to rotate in a circumferential direction outside track, namely universal wheel 2 turns to and is not limited by baffle plate 3, and turning efficiency is good.In sum, the present embodiment direction controlling under switching to craspedodrome state is effective, time saving and energy saving, need not manually remove adjustment direction, no matter in load-carrying goods, physical features injustice, when ground is coarse, can carry out rectilinear motion；Under turn condition, universal wheel 2 is freely rotatable, and can freely advance and also can turn.
Specifically, car body 1 both sides in the present embodiment are respectively and fixedly provided with some guide pads 4, and it is equipped with movable plate 5, each movable plate 5 is respectively provided with some gathering sills 51, each guide pad 4 and gathering sill 51 one_to_one corresponding at car body 1 homonymy, and it is located in corresponding gathering sill 51, gathering sill 51 moves forward and backward on the guide pad 4 of car body 1 homonymy for guiding movement plate 5, the movable plate 5 of car body 1 both sides is all fixed with some baffle plates 3 and is connected.By gathering sill 51 on corresponding guide pad 4 movable, movable plate 5 promotes baffle plate 3 to move to outside corresponding universal wheel 2 rotates in a circumferential direction track, promoting universal wheel 2 to make freely to advance or turn condition；Movable plate 5 also can promote baffle plate 3 to move the side face to corresponding universal wheel 2 so that universal wheel 2 remains forward movement state as straight line and makes the side face of universal wheel 2 and baffle plate 3 fit；Keep straight on notable with turn condition easy switching and effect.
Further, guide pad 4 has the denticle 41 being fixed on car body 1 side, and the top of denticle 41 is flute profile, and flute profile cross section is parallel with car body 1 side, and gathering sill 51 is horizontally disposed with, and top is provided with the flute profile breach coordinated with denticle 41.The present embodiment is carried out flute profile with gathering sill 51 coordinated by denticle 41, can avoid car body 1 climb and fall, jolt, movable plate 5 is caused displacement by the road conditions such as turning on the position of movement, can fix corresponding state lower shifting board 5 position, spacing control is effective.
Preferably, the top between gathering sill 51 two ends is provided with some flute profile breach coordinated with denticle 41, during the spacing denticle 41 of each flute profile breach between gathering sill 51 two ends, the Partial angle of universal wheel 2 can be limited, can carrying out low-angle turning, curving effect is good, and regulating power is strong；The flute profile angle α of each denticle 41 is set to 130 °～170 °, it is simple to operative employee is to movable plate 5 passage in the direction of movement, easy to operate, and spacing good fixing effect.
Specifically, guide pad 4 is provided with limiting section 42, and limiting section 42 is fixed on denticle 41 one end away from car body 1, and limiting section 42 is used for preventing gathering sill 51 from departing from from guide pad 4；At climb and fall, jolting, under the road conditions such as turning, can be prevented effectively from movable plate 5 and drop car body 1, install good limit effect, denticle 41 and limiting section 42 are that an one-piece parts makes, and maybe can pass through to weld, and being welded in fixing near one end of car body 1 for denticle 41 on car body 1.
Specifically, the present embodiment also includes connector 6, and connector 6 is fixing with same one end of two pieces of movable plates 5 to be connected；It is easy to operative employee movable plate 5 force of both sides is elapsed simultaneously, easy to operate.
Further, connector 6 is in shaft-like, and is positioned at the promotion force side on car body 1, easy to operate, is particularly located near operative employee's foot position, and operative employee can elapse with foot, more convenient operation.
Specifically, each limiting section 42 is mounted on reflecting lamp 7.Owing to guide pad 4 is the ridge protruding car body 1, when transporting goods at ordinary times, when especially light is poor, slightly do not note, it is easy to the article of car body 1 both sides of colliding with or operative employee.Each limiting section 42 is mounted on reflecting lamp 7, there is warning function, improve safety.
Specifically, each baffle plate 3 is respectively provided with the undercut ss towards car body 1, and undercut ss is disposed far from baffle plate 3 side promoting force side on car body 1.General template part edge thickness is that raw sheet is thick, not chamfer machining.If baffle plate 3 not chamfering β, when needs car body 1 is kept straight on, promoting movable plate 5, baffle plate 3 is likely to and the support vertical of universal wheel 2, it is easy to block, and causes the damage of universal wheel 2.Now, universal wheel 2 rotates comparatively difficulty, it is necessary to applies bigger power and just can make baffle plate 3 and universal wheel 2 cradle fits.When the undercut ss of the present embodiment is easy to promote movable plate 5 forward, universal wheel 2 can being promoted smoothly to rotate, and make the side face of universal wheel 2 and baffle plate 3 effectively fit, whole action is accessible to be completed, and non-resistance is easy to operate.
Preferably, undercut ss is set to when being 30 °～45 °, promotes movable plate 5 more smooth and easy.
Should be appreciated that specific embodiment described above is only for explaining the present invention, is not intended to limit the present invention.The apparent change extended out by the spirit of the present invention or variation are still among protection scope of the present invention.
Claims (10)
1. the utility cart that can switch between turning and directed craspedodrome, it is characterized in that: include car body (1), the both sides of described car body (1) direction of advance are equipped with some universal wheels (2) and some baffle plates (3) that can move in car body (1) side, described baffle plate (3) and universal wheel (2) one_to_one corresponding, the plate face of each baffle plate (3) motion track one end and the laminating of corresponding universal wheel (2) side, the plate body of each baffle plate (3) the motion track other end is positioned at each universal wheel (2) and rotates in a circumferential direction outside track.
2. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 1, it is characterized in that: described car body (1) both sides are respectively and fixedly provided with some guide pads (4), and it is equipped with movable plate (5), each movable plate (5) is respectively provided with some gathering sills (51), each guide pad (4) and gathering sill (51) one_to_one corresponding at car body (1) homonymy, and it is located in corresponding gathering sill (51), described gathering sill (51) is upper movable at the guide pad (4) of car body (1) homonymy for guiding movement plate (5), upper all the fixing with some baffle plates (3) of the movable plate (5) of described car body (1) both sides is connected.
3. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 2, it is characterized in that: each guide pad (4) is respectively provided with the denticle (41) being fixed on car body (1) side, the top of each denticle (41) is all in flute profile, and flute profile cross section is parallel with car body (1) side, each gathering sill (51) is all horizontally disposed with, and top, two ends is equipped with the flute profile breach coordinated with denticle (41).
4. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 3, it is characterized in that: the top between described gathering sill (51) two ends also is provided with some flute profile breach coordinated with denticle (41), the flute profile angle α of each denticle (41) is 130 °～170 °.
5. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 3, it is characterized in that: each guide pad (4) is equipped with limiting section (42), described limiting section (42) is fixed on denticle (41) one end away from car body (1), and described limiting section (42) is used for preventing gathering sill (51) from departing from from guide pad (4).
6. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 2, it is characterized in that: described utility cart also includes connector (6), described connector (6) is fixing with same one end of two pieces of movable plates (5) to be connected.
7. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 6, it is characterised in that: described connector (6) is in shaft-like, and is positioned at the promotion force side on car body (1).
8. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 5, it is characterised in that: each limiting section (42) is mounted on reflecting lamp (7).
9. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 2, it is characterized in that: each baffle plate (3) is respectively provided with the undercut ss towards car body (1), described undercut ss is disposed far from baffle plate (3) side promoting force side on car body (1).
10. a kind of utility cart that can switch between turning and directed craspedodrome according to claim 9, it is characterised in that: described undercut ss is 30 °～45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296043.8A CN105774860A (en) | 2016-05-03 | 2016-05-03 | Trolley capable of shifting between turning and orientated straight driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296043.8A CN105774860A (en) | 2016-05-03 | 2016-05-03 | Trolley capable of shifting between turning and orientated straight driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105774860A true CN105774860A (en) | 2016-07-20 |
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ID=56400857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296043.8A Pending CN105774860A (en) | 2016-05-03 | 2016-05-03 | Trolley capable of shifting between turning and orientated straight driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105774860A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472917A (en) * | 2017-09-18 | 2017-12-15 | 金石机器人常州股份有限公司 | Stacking machine walking dolly with Self-locking universal wheel |
| CN108078744A (en) * | 2017-12-22 | 2018-05-29 | 合肥市脍炙人家家居用品有限责任公司 | A kind of Walling aid for rehabilitation |
| CN110027361A (en) * | 2018-02-06 | 2019-07-19 | 余春芳 | A kind of orientation, universal automatic switchover wheel assembly and AGV carrier |
| CN110371215A (en) * | 2018-08-21 | 2019-10-25 | 天津京东深拓机器人科技有限公司 | Automated guided vehicle |
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| CN2923388Y (en) * | 2006-06-26 | 2007-07-18 | 杨金辉 | Caster loocking device |
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| CN203780565U (en) * | 2014-04-24 | 2014-08-20 | 宁波金洋化工物流有限公司 | Double-layered movable trolley |
| CN205615546U (en) * | 2016-05-03 | 2016-10-05 | 常州中铁城建构件有限公司 | Can turn with directional craspedodrome between carry out small handcart that switches |
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| CN2432112Y (en) * | 2000-04-30 | 2001-05-30 | 吕启晟 | Handcart capable of controlling pushing direction |
| CN2923388Y (en) * | 2006-06-26 | 2007-07-18 | 杨金辉 | Caster loocking device |
| DE202010006436U1 (en) * | 2010-05-04 | 2010-08-05 | Hensel Fahrzeugbau Gmbh & Co. Kg | Steerable trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472917A (en) * | 2017-09-18 | 2017-12-15 | 金石机器人常州股份有限公司 | Stacking machine walking dolly with Self-locking universal wheel |
| CN108078744A (en) * | 2017-12-22 | 2018-05-29 | 合肥市脍炙人家家居用品有限责任公司 | A kind of Walling aid for rehabilitation |
| CN110027361A (en) * | 2018-02-06 | 2019-07-19 | 余春芳 | A kind of orientation, universal automatic switchover wheel assembly and AGV carrier |
| CN110027361B (en) * | 2018-02-06 | 2024-01-05 | 余春芳 | Directional, universal automatic switching wheel device and AGV carry thing car |
| CN110371215A (en) * | 2018-08-21 | 2019-10-25 | 天津京东深拓机器人科技有限公司 | Automated guided vehicle |
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Application publication date: 20160720 |