CN105346573A - Electric carrying trolley - Google Patents
Electric carrying trolley Download PDFInfo
- Publication number
- CN105346573A CN105346573A CN201510720382.XA CN201510720382A CN105346573A CN 105346573 A CN105346573 A CN 105346573A CN 201510720382 A CN201510720382 A CN 201510720382A CN 105346573 A CN105346573 A CN 105346573A
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- Prior art keywords
- handle
- handrail
- electrocar
- main body
- vehicle frame
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Classifications
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- 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
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention provides an electric carrying trolley. The electric carrying trolley comprises a trolley frame body (5), two rear driven wheels (1) and a front drive wheel (2). The rear end of the trolley frame body (5) is provided with a left armrest (51) and a right armrest (52). The front drive wheel (2) is provided with a brake device (3) and a speed control device (4). The two rear driven wheels (1) are arranged on the rear portion of the trolley frame body (5). A storage battery support (45) is arranged in the trolley frame body (5). A master control circuit (42) is fixed to the storage battery support (45). The electric carrying trolley is characterized in that the distance between the two rear driven wheels (1) can be adjusted within the range from 250 mm to 650 mm. The electric carrying trolley can be adaptive to complex road surfaces and sites and is driven through electric power, time and labor are saved, environment friendliness is achieved, and an operator can carry more objects conveniently by means of the electric carrying trolley.
Description
Technical field
The present invention relates to transport trolley technical field, espespecially the power-actuated transport trolley of a kind of employing.
Background technology
Transport trolley product has that structure is simple, the feature such as light, widely applicable of conducting oneself with dignity.All trades and professions, every field, as airport, station, supermarket, enterprise, hotel, hospital etc., the ample scope for abilities of the hand barrow that grows on trees.Along with the continuous change of technological change and social demand, also there is the change of matter in the concept connotation of transport trolley product, become joint power labour-saving important means thereupon.
Existing transport trolley is generally that manually push-and-pull carrys out carry an object, and when the article carried are heavier, its promotion bothers and requires great effort very much, and physical demands is serious, worker cannot be carried more.
Simultaneously; some transport trolleys are provided with load bed support; load bed support is fixed shaped as frame barrow, this barrow can only carry the larger article of some volumes, and cannot carry the article of volume little or particle or liquid; and some load bed supports are fixed with casing surrounding and bottom surface closed; it can carry some liquid or granular articles, but this transport trolley is all fixing; cannot dismounting and change kind, its carrying type is more single.
Summary of the invention
Object of the present invention is exactly the deficiency for prior art, and designs a kind of electrocar, and it adopts motorized motions, and it is laborsaving saves time, and handled easily person carries more article, is applicable to the road surface of different in width.Meanwhile, handled easily person carries more article, and the frame-type barrow on it can change sealed type carrying basin into, can meet various different article carrying.
Given this, the present invention proposes a kind of electrocar, comprise main body of vehicle frame (5), two back front driven wheels (1) and front driving wheel (2), the rear end of described main body of vehicle frame (5) is provided with left handrail (51) and right handrail (52), described front driving wheel (2) is provided with brake gear (3) and speed regulation device (4), two described back front driven wheels (1) are arranged on the rear portion of described main body of vehicle frame (5), battery cell bracket (45) is had in described main body of vehicle frame (5), total control circuit (42) is fixed on battery cell bracket (45), it is characterized in that: the distance adjustable extent between two described back front driven wheels (1) is 250mm ~ 650mm.
Wherein, load bed support (7) is hinged on the front end of described main body of vehicle frame (5), relatively described main body of vehicle frame (5) 180 ° of upsets can be done, described load bed support (7) is provided with the both sides that left support bar (71) and right support bar (72) lay respectively at described front driving wheel (2), intermediate pipe (73) is provided with between described left support bar (71) and described right support bar (72), described intermediate pipe (73) is bolted to connection type of extension barrow (8), the extensible scope of the length of described barrow (8) is 870 ~ 970mm, width is extensible scope is 660-860mm.
Wherein, be connected with pipe link (53) between described left handrail (51) and described right handrail (52), described pipe link (53) be provided with geometrical clamp (54), described geometrical clamp (54) is held on described intermediate pipe (73).
Wherein, the end of described left handrail (51) and right handrail (52) is respectively equipped with left handle (55) and right handle (56), the lower end of described left handle (55) is socketed on the end of described left handrail (51), and fixed by height adjuster (57), the lower end of described right handle (56) is socketed on the end of right handrail (52), and fixed by height adjuster (57), by regulating the position of described height adjuster (57), described left handle (55) and described right handle (56) is made to be positioned at differing heights, and relatively described left handrail (51) and described right handrail (52) different angles can be positioned at.
Wherein, the end of described left handrail (51) and right handrail (52) is respectively equipped with left handle (55) and right handle (56), described left handle (55) or described right handle (56) are provided with brake handle (31) and brake holding device, described brake handle (31) is connected to described brake gear (3), described right handle (56) or left handle (55) are provided with stepless speed-regulating switch, advance the switch that falls back, power cut-out switch and electricity display instrument are connected to described total control circuit (42), described total control circuit (42) comprises alignment circuit and is connected to described stepless speed-regulating switch, reversing circuit is connected to described advance and falls back switch, brake power-down circuit is connected to described power cut-out switch, power control circuit is connected to described electricity display instrument and gear switch circuit.
Wherein, storage battery (6) is placed in battery cell bracket (45), storage battery (6) provides electric energy for integrated drive motor in front driving wheel (2), front driving wheel (2) is fixed on the front end of main body of vehicle frame (5), described storage battery (6) is built with 24V, 12A electrolyte lead-acid accumulator or powered by charger.
Wherein, described drive motor and described left handle, described right handle is provided with waterproof construction.
Wherein, rear wheel support (9) is provided with between two described back front driven wheels (1), described rear wheel support (9) is installed on described main body of vehicle frame (5), square tube (91) and outer square tube (92) socket in described rear wheel support (1) adopts, and be provided with lock (93), described back front driven wheel (1) is installed on described interior square tube (91), described outer square tube (92) is provided with groove (94), described lock (93) can be fixed on described interior square tube (91) through described groove (94), change the position of described lock (93) in described groove (94), distance between adjustable two described back front driven wheels (1).
Wherein, the both sides detouchable of described front driving wheel (2) is provided with support wheel (10).
Wherein, described front driving wheel (2) disc brake, adopt herringbone vacuum tire, two described back front driven wheels (1) are cardan wheel.
Beneficial effect of the present invention:
Distance adjustable extent between (1) two back front driven wheel is 250mm ~ 650mm, can adapt to complicated road surface and place;
(2) adopt motorized motions, laborsavingly to save time and environmental protection, handled easily person carries more article;
(3) load bed support is hinged on main body of vehicle frame, can relative frame main body 180 ° rotation, makes barrow easily pour out goods or dismounting is taken off, handled easily, laborsaving;
(4) barrow is set to type of extension, its length and width-adjustable joint, also can change sealed type carrying basin into, can meet the carrying of different article;
(5) brake gear, brake holding device is provided with, stepless speed-regulating switch, fall back switch, power cut-out switch and the electricity display instrument of advancing are connected to control circuit, control circuit comprises alignment circuit, reversing circuit, brake power-down circuit, power control circuit and gear switch circuit, the functions such as the speed governing of electrocar, brake, reversing, gear switch can be realized, and electricity can be shown on electricity display instrument, person easy to use confirms that electricity is enough.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of rear wheel support of the present invention and geometrical clamp;
Fig. 3 is the structural representation of barrow;
Fig. 4 is the sectional perspective structural representation that barrow is fixed on left support bar and right support bar;
Fig. 5 is the structural representation that barrow removes the side framework of both sides;
Fig. 6 is the connection pipe of side framework and the local structure schematic diagram of stationary pipes;
Fig. 7 is the structural representation between back front driven wheel and the vertical bar of rear wheel support;
Fig. 8 is the structural representation of circuit in controller of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1, electrocar of the present invention comprises main body of vehicle frame 5, the front end of main body of vehicle frame 5 is provided with front driving wheel 2, the rear end of main body of vehicle frame 5 is provided with two back front driven wheels 1, front driving wheel 2 is provided with brake gear 3 and speed regulation device 4, has battery cell bracket 45 in main body of vehicle frame 5, total control circuit 42 is fixed on battery cell bracket 45, storage battery 6 is placed in battery cell bracket 45, and storage battery 6 provides electric energy for drive motor integrated in front driving wheel 2.Storage battery (6) is powered by in-built 24V, 12A electrolyte lead-acid accumulator, also can be powered by charger.
As Fig. 1 and Fig. 2, the intermediate pipe 5a of the front end of main body of vehicle frame 5 takes the shape of the letter U, be fixedly connected on front driving wheel 2, front driving wheel 2 is positioned at U-shaped scope, and rear end extends back left handrail 51 and right handrail 52, is fixedly connected with pipe link 53 between left handrail 51 and right handrail 52, pipe link is installed in geometrical clamp 54, this geometrical clamp 54 can commercially directly be bought, and cost is low, simple and reliable for structure.Main body of vehicle frame 5 structure is, rear wheel support 9 is fixed with storage battery 6, the two ends bending of intermediate connection tube 5a forms left support pipe 5b and right support pipe 5c, the rotating shaft two ends of front driving wheel 2 are hinged in the front portion of left support pipe 5b and right support pipe 5c, the middle part of left support pipe 5b and right support pipe 5c is weldingly fixed on rear wheel support 9, and the rear portion of left support pipe 5b and right support pipe 5c upwards bending forms left handrail 51 and right handrail 52.
As Fig. 1 and Fig. 2, in the present embodiment, the end of left handrail 51 and right handrail 52 is respectively equipped with left handle 55 and right handle 56, left handle 55 and left handrail are provided separately, the lower end of left handle 55 is socketed in the pipe of left handrail 51 end, and fixed by height adjuster 57, the lower end of right handle 56 is socketed in the pipe of right handrail 52 end, and fixed by height adjuster 57, by regulating the position of height adjuster 57, left handle 55 and right handle 56 is made to be positioned at differing heights, and relatively left handrail 51 and right handrail 52 can be positioned at different angles, left handle 55 and right handle 56 can inwardly be folded.
As Fig. 1, left handle 55 or right handle 56 are provided with brake handle 31 and brake holding device, brake handle 31 is connected to brake gear 3, and right handle 56 or left handle 55 are provided with stepless speed-regulating switch, advance falls back, and switch, power cut-out switch and electricity display instrument are connected to described total control circuit 42.Total control circuit 42 comprises alignment circuit and is connected to described stepless speed-regulating switch, reversing circuit is connected to described advance and falls back switch, brake power-down circuit is connected to described power cut-out switch, power control circuit is connected to described electricity display instrument and gear switch circuit, the function such as speed governing, brake, reversing, gear switch of electrocar can be realized by control circuit, and electricity can be shown on electricity display instrument, person easy to use confirms that electricity is enough.Total control circuit 42 is integrated on drive motor, drive motor and left handle 55, and right handle 56 is provided with waterproof construction.
As Fig. 1, the top of main body of vehicle frame 5 is provided with load bed support 7, and load bed support 7 is hinged on the front end of described main body of vehicle frame 5,180 ° of upsets can be done by relatively described main body of vehicle frame 5, the barrow 8 on load bed support 7 is made easily to pour out goods or dismounting is taken off, handled easily, laborsaving.Load bed support 7 structure is, the two ends downward bending of load bed cradling piece 7a forms left support bar 71 and right support bar 72, the horizontal bending in the middle part of left support bar 71 and right support bar 72 forms middle tube portion 73, on the arc fixed block that left support pipe 5b and right support pipe 5c is fixed with for the tail down bending of left support bar 71 and right support bar 72 being hinged on respectively.Load bed support 7 is fixed by geometrical clamp 54 and pipe link 53.
As Fig. 4, the left support bar 71 of load bed support 7 and right support bar 72 are positioned at the both sides of described front driving wheel 2, intermediate pipe 73 between left support bar 71 and right support bar 72 has been bolted to connection type of extension barrow 8, wherein the extensible scope of the length of barrow 8 is 870 ~ 970mm, width is extensible scope is 660-860mm, barrow is set to type of extension, and its length and width-adjustable joint, can meet the carrying of different article.
As Fig. 3 to Fig. 6, barrow 8 structure is, the both sides that centre is welded with the rectangle shaped as frame pipe support 83 of many horizontal steel pipes 81 and longitudinal steel pipe 82 are all welded with multiple short tube 84 with central through hole, two connection pipes 851 of side framework 85 are all hinged with stationary pipes 86, stationary pipes 86 sleeve is in short tube 84, and adjusting bolt 87 ecto-entad is screwed onto in short tube 84 and stationary pipes 86 successively.
The two ends of horizontal steel pipe 81 are weldingly fixed on two short tube limits of rectangle shaped as frame pipe support 83, and longitudinal steel pipe 82 is weldingly fixed on horizontal steel pipe 81.
Described stationary pipes 86 forms projection 861, connection pipe 851 end forms groove 852, projection 861 sleeve is in groove 852, jointed shaft 853 interference fit is fixed on the two side of groove 852, projection 861 sleeve is on jointed shaft 853, jointed shaft 853 upper sleeve has two rubber pads, 854, two rubber pads 854 in projection 861 both sides, and rubber pad 854 is clamped between projection 861 and groove 852 sidewall.
In other embodiments, the middle tube portion 73 of described left support bar 71 and right support bar 72 being bolted to connection carrying basin, i.e. goods bucket, in order to make load bed support can place more high-capacity carrying basin, can load bed support attached frame being set on load bed support.
As Fig. 2, rear wheel support 9 is provided with between two back front driven wheels 1, rear wheel support 9 is installed on main body of vehicle frame 5, rear wheel support 9 adopts interior square tube 91 and outer square tube 92 to be socketed, and be provided with lock 93, described back front driven wheel 1 is installed in described interior square tube 91, described outer square tube 92 is provided with groove 94, described lock 93 can be fixed in described interior square tube 91 through described groove 94, change the position of described lock 93 in described groove 94, distance between adjustable two described back front driven wheels 1, distance adjustable extent between two back front driven wheels 1 is 250mm ~ 650mm, electrocar is made to be applicable to road surface and the place of different in width.In the present embodiment, the sectional dimension of outer square tube 92 is 50mm*50mm*2mm, and the sectional dimension of interior square tube 91 is 45mm*45mm*2mm.
As Fig. 7, the rotating shaft of back front driven wheel 1 is hinged on back front driven wheel frame 11, the top of back front driven wheel frame 11 is circular discs 12, there is annulus sleeve 13 at the center of circular discs 12, multiple steel ball 14 is arranged in retainer, between back-up ring 121 inwall that multiple steel ball 14 forms on the outer of annulus sleeve 13 outer wall and circular discs 12, and contact with annulus sleeve 13 outer wall and back-up ring 121 inwall, the top margin of back-up ring 121 is greater than or equal to the vertex of steel ball 14, circular discs 12 is hinged on vertical bar 58 that rear wheel support 56 is fixed with, annulus sleeve 13 is fixed on vertical bar 58, the circular lid 15 that vertical bar 58 is fixed with is above circular discs 12, circular lid 15 is identical with the diameter of circular discs 12, the spacing of the outer of circular lid 15 and the outer wall of back-up ring 121 is less than the radius of steel ball 14.There is annulus sleeve 13 at the center of circular discs 12 is socketed in circular lid 15, the circular discs 12 of below can be rotated around circular lid 15, and then make back front driven wheel 1 can opposing rear wheels support 9 universal rotational.
The brake handle 31 of brake gear 3 is arranged on left handle 55, and speed regulation device 4 and forward-reverse device 43 are arranged on right handle 56, and the speed with key hole seat of speed regulation device 4 regulates starter gear 41 to be arranged on right handle 56.
Front driving wheel 2 adopts herringbone vacuum wheel, brake gear 3 and speed regulation device 4 are disc brake apparatus conventional on battery-driven car and speed regulating device, the disc 32 of brake gear 3 is fixed in the rotating shaft of front driving wheel 2, and the braking clamp 33 for locking disc 32 is fixed on the arc fixed block that left support pipe 5b or right support pipe 5c is fixed with; The controller 42 of speed regulation device 4 is fixed on the housing of storage battery 6.
Preferably, the both sides detouchable of front driving wheel 2 is provided with support wheel 10, ensures that vehicle can not be turned on one's side when inclination 24 °.
Principle of work: first barrow 8 is fixed on load bed support 7, by geometrical clamp 54, the load bed cradling piece 7a of load bed support 7 is fixed on pipe link 53, then required article are placed on barrow 8, wherein, the side framework 85 of barrow 8 can stir up and down, regulate length and the width of barrow as required, then, key is inserted in the electrocar initiation key hole of speed regulation device 4, open electrocar, the brake handle 31 of its brake gear 3 is arranged on left handle 55, the speed with key hole seat of speed regulation device 4 regulates starter gear 41 to be arranged on right handle 56, regulate the by-pass cock of starter gear 41 can control running velocity and the start-stop of electrocar by controlling brake handle 31 with the speed with key hole seat, very convenient, time saving and energy saving, when needs by article overturning out time, only need to pull geometrical clamp 54 and make its load bed cradling piece 7a that unlocks, load bed support 7 is tilted, pourable article wherein.
Fig. 8 is the main circuit figure of electrocar of the present invention, this circuit is in the controller integrated, comprise alignment circuit, brake power-down circuit, reversing circuit, high and low shift commutation circuit, the functions such as the speed governing of electrocar, brake, reversing, gear switch can be realized.
Although describe the present invention by embodiment, those of ordinary skill in the art know, the present invention has many distortion and change and do not depart from spirit of the present invention, and the claim appended by wishing comprises these distortion and change and do not depart from spirit of the present invention.
Claims (10)
1. an electrocar, comprise main body of vehicle frame (5), two back front driven wheels (1) and front driving wheel (2), the rear end of described main body of vehicle frame (5) is provided with left handrail (51) and right handrail (52), described front driving wheel (2) is provided with brake gear (3) and speed regulation device (4), two described back front driven wheels (1) are arranged on the rear portion of described main body of vehicle frame (5), battery cell bracket (45) is had in described main body of vehicle frame (5), total control circuit (42) is fixed on battery cell bracket (45), it is characterized in that: the distance adjustable extent between two described back front driven wheels (1) is 250mm ~ 650mm.
2. electrocar as claimed in claim 1, load bed support (7) is hinged on the front end of described main body of vehicle frame (5), relatively described main body of vehicle frame (5) 180 ° of upsets can be done, described load bed support (7) is provided with the both sides that left support bar (71) and right support bar (72) lay respectively at described front driving wheel (2), intermediate pipe (73) is provided with between described left support bar (71) and described right support bar (72), described intermediate pipe (73) is bolted to connection type of extension barrow (8), the extensible scope of the length of described barrow (8) is 870 ~ 970mm, width is extensible scope is 660-860mm.
3. electrocar as claimed in claim 2, pipe link (53) is connected with between described left handrail (51) and described right handrail (52), described pipe link (53) is provided with geometrical clamp (54), described geometrical clamp (54) is held on described intermediate pipe (73).
4. electrocar as claimed in claim 1, the end of described left handrail (51) and right handrail (52) is respectively equipped with left handle (55) and right handle (56), the lower end of described left handle (55) is socketed on the end of described left handrail (51), and fixed by height adjuster (57), the lower end of described right handle (56) is socketed on the end of right handrail (52), and fixed by height adjuster (57), by regulating the position of described height adjuster (57), described left handle (55) and described right handle (56) is made to be positioned at differing heights, and relatively described left handrail (51) and described right handrail (52) different angles can be positioned at.
5. electrocar as claimed in claim 1, the end of described left handrail (51) and right handrail (52) is respectively equipped with left handle (55) and right handle (56), described left handle (55) or described right handle (56) are provided with brake handle (31) and brake holding device, described brake handle (31) is connected to described brake gear (3), described right handle (56) or left handle (55) are provided with stepless speed-regulating switch, advance the switch that falls back, power cut-out switch and electricity display instrument are connected to described total control circuit (42), described total control circuit (42) comprises alignment circuit and is connected to described stepless speed-regulating switch, reversing circuit is connected to described advance and falls back switch, brake power-down circuit is connected to described power cut-out switch, power control circuit is connected to described electricity display instrument and gear switch circuit.
6. the electrocar as described in any one of claim 1-5, storage battery (6) is placed in battery cell bracket (45), storage battery (6) provides electric energy for integrated drive motor in front driving wheel (2), front driving wheel (2) is fixed on the front end of main body of vehicle frame (5), described storage battery (6) is built with 24V, 12A electrolyte lead-acid accumulator or powered by charger.
7. electrocar as claimed in claim 5, described drive motor and described left handle, described right handle is provided with waterproof construction.
8. electrocar as claimed in claim 1, rear wheel support (9) is provided with between two described back front driven wheels (1), described rear wheel support (9) is installed on described main body of vehicle frame (5), square tube (91) and outer square tube (92) socket in described rear wheel support (1) adopts, and be provided with lock (93), described back front driven wheel (1) is installed on described interior square tube (91), described outer square tube (92) is provided with groove (94), described lock (93) can be fixed on described interior square tube (91) through described groove (94), change the position of described lock (93) in described groove (94), distance between adjustable two described back front driven wheels (1).
9. electrocar as claimed in claim 1, the both sides detouchable of described front driving wheel (2) is provided with support wheel (10).
10. electrocar as claimed in claim 1, described front driving wheel (2) disc brake, adopt herringbone vacuum tire, two described back front driven wheels (1) are cardan wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720382.XA CN105346573A (en) | 2015-10-30 | 2015-10-30 | Electric carrying trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720382.XA CN105346573A (en) | 2015-10-30 | 2015-10-30 | Electric carrying trolley |
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| Publication Number | Publication Date |
|---|---|
| CN105346573A true CN105346573A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510720382.XA Pending CN105346573A (en) | 2015-10-30 | 2015-10-30 | Electric carrying trolley |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105857352A (en) * | 2016-05-16 | 2016-08-17 | 西北农林科技大学 | Novel speed-adjustable electric power assistant rack vehicle |
| CN106043361A (en) * | 2016-06-29 | 2016-10-26 | 国网山东省电力公司蓬莱市供电公司 | Portable travelling bogie |
| JP2020082826A (en) * | 2018-11-16 | 2020-06-04 | 株式会社マキタ | Transport vehicle |
| CN112061215A (en) * | 2020-09-30 | 2020-12-11 | 中国热带农业科学院南亚热带作物研究所 | Electric power-assisted trolley convenient to go up and down mountains |
| CN112109777A (en) * | 2019-06-19 | 2020-12-22 | 沃伦·源·崔 | Cart with removable basket |
| CN112897375A (en) * | 2021-01-14 | 2021-06-04 | 黄益田 | Simple wheel type conveying device for pavement construction and conveying method thereof |
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| CN105857352A (en) * | 2016-05-16 | 2016-08-17 | 西北农林科技大学 | Novel speed-adjustable electric power assistant rack vehicle |
| CN106043361A (en) * | 2016-06-29 | 2016-10-26 | 国网山东省电力公司蓬莱市供电公司 | Portable travelling bogie |
| JP2020082826A (en) * | 2018-11-16 | 2020-06-04 | 株式会社マキタ | Transport vehicle |
| JP7191653B2 (en) | 2018-11-16 | 2022-12-19 | 株式会社マキタ | truck |
| CN112109777A (en) * | 2019-06-19 | 2020-12-22 | 沃伦·源·崔 | Cart with removable basket |
| CN112109777B (en) * | 2019-06-19 | 2022-04-05 | 沃伦·源·崔 | Cart with removable basket |
| CN112061215A (en) * | 2020-09-30 | 2020-12-11 | 中国热带农业科学院南亚热带作物研究所 | Electric power-assisted trolley convenient to go up and down mountains |
| CN112897375A (en) * | 2021-01-14 | 2021-06-04 | 黄益田 | Simple wheel type conveying device for pavement construction and conveying method thereof |
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