CN2160591Y - Portable transporting cart capable of goingup stairs - Google Patents
Portable transporting cart capable of goingup stairs Download PDFInfo
- Publication number
- CN2160591Y CN2160591Y CN 93220044 CN93220044U CN2160591Y CN 2160591 Y CN2160591 Y CN 2160591Y CN 93220044 CN93220044 CN 93220044 CN 93220044 U CN93220044 U CN 93220044U CN 2160591 Y CN2160591 Y CN 2160591Y
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- CN
- China
- Prior art keywords
- sliding
- car
- caterpillar
- wheel
- crawler belt
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a portable transporting cart capable of going up stairs, which belongs to the technical field of a handcart. The structure of the utility model is that the utility model adopts a fold-shaped hollow framework whose longitudinal section is a rectangle as a cart beam (6); a hollow cavity for placing pulleys (10) is respectively arranged on both ends of the cart beam (6); two sliding assemblies are respectively installed on the two cart beams (6), and two movable pulleys (9) in each sliding assembly are respectively installed on the corresponding shaft of the hollow cavity for placing the pulleys (10). A circle of sliding caterpillar bands (7) which are formed by the sections of the caterpillar band are sheathed on the peripheries of the two movable pulleys (9). Elastic cushion layers (20) are arranged on the contacted position of each section of the caterpillar band and the ground. The tangent plane of a rolling wheel (19) of each section of the caterpillar band is just contacted with the lower bottom surface of the cart beam (6) tightly in the sliding caterpillar bands (7).
Description
The utility model relates to a kind of portable ladder transport trolley of climbing, and belongs to the hand barrow technical field.
At present, hand barrow commonly used in the family is of a great variety, Chinese patent CN2099056U disclosed " modular transportable multifunctional household dolly " (application number 91224874.2) is wherein advanced a kind of, though this dolly can be daily life certain convenience is provided, but it has following defective: 1, because this car is each side installed a cover deformation wheel at its railway carriage, circle track around deformation wheel adopts oval-shaped fixing support rack and is located at bracing frame is as the dragging track of a circle motion structure (including scroll wheel and the elastic gum spare that contacts with ground) of deformation wheel periphery, be that the circular flow of operating structure must rely on the dragging track of above-mentioned special setting can, the structure of this car is complicated like this, and manufacturing cost is higher; 2, because the position that the periphery of the scroll wheel of this car in its motion structure and chain frame contact with ground installs is one to put in order and enclose elastic gum spare, after relaxing when becoming after the damage of glue spare somewhere or because of work fatigue like this, just need to change whole glue spare, this car just can continue to use, therefore to make performance unreliable in this turner, and it is convenient inadequately to use.
The purpose of this utility model be to provide a kind of simple and reasonable, manufacturing cost is lower, stable and reliable working performance, the portable ladder transport trolley of climbing easy to use.
The portable ladder transport trolley of climbing provided by the utility model, it is by vehicle frame, rolling assembly, U-shaped pull bar 17 and two formations such as slide assemblies, vehicle frame is welded by two horizontal car beams 6 and plural vertical bearing bar 4, rolling assembly comprises wheel shaft 3 and two wheels 1, wheel shaft 3 passes the rear end that two car beams 6 are located at vehicle frame, two wheels 1 are contained on the wheel shaft 3, and lay respectively at the outside of two car beams 6, U-shaped pull bar 17 is connected with the front end of two car beams 6, each slide assemblies comprises the Sliding caterpillar 7 that two identical sliding wheels of diameter 9 and a circle that is socketed in its periphery are made of plural crawler belt joint, each crawler belt joint contains chain frame 21, the axis of rolling 27, axle sleeve 22 and scroll wheel 19, the axis of rolling 27 is sleeved in the axle sleeve 22, they all are located at an end of chain frame 21, scroll wheel 19 is sleeved on the axle sleeve 22, plural crawler belt joint is interconnected to form Sliding caterpillar 7 by the axis of rolling 27 that has scroll wheel 19 on it, it is characterized in that: adopting a vertical section is that rectangular folding shape hollow frame is a car beam 6, the two ends of car beam 6 respectively have putting of a placement sliding wheel 9 and take turns cavity 10, two sliding wheels 9 in each slide assemblies are contained in respectively on wheel shaft 3 and the slip wheel shaft 8, and lay respectively at above-mentioned putting in the wheel cavity 10; Chain frame 21 in the Sliding caterpillar 7 on each crawler belt joint is made up of with the base plate 26 vertical with two blocks of side plates 25 two blocks of side plates 25 that are parallel to each other, the position that contacts with ground in the periphery of each chain frame 21 also is provided with an elastic insert 20, the tangent plane of the scroll wheel 19 in the Sliding caterpillar 7 on each crawler belt joint just with the bottom surface closed contact of car beam 6.
The portable ladder transport trolley of climbing that provides according to the utility model, the position that the periphery of the base plate 26 on each chain frame 21 contacts with ground is provided with a dovetail furrow, elastic insert 20 passes on the bottom surface that dovetail furrow is inlaid in base plate 26, and by rivet 24 and base plate 26 riveted joints.
According to the portable ladder transport trolley of climbing that the utility model provides, U-shaped pull bar 17 is connected by two link spans 15 with the front end of two car beams 6, and hinged and pin joint is carried out with the front end and the U-shaped pull bar 17 of two car beams 6 respectively in the two ends of each link span 15.
According to the portable ladder transport trolley of climbing that the utility model provides, also be provided with bottom bracket 2 on the vehicle frame, two sides are protected frame 5, hook 13 and hangers 14.
Because it is that rectangular hollow frame is a car beam 6 that the utility model adopts a vertical section, two sliding wheels 9 in each slide assemblies are contained in respectively on two corresponding axis of putting in the wheel cavity 10 offering at car beam 6 two ends, one circle Sliding caterpillar 7 is socketed in the periphery of above-mentioned two sliding wheels 9, the tangent plane of the scroll wheel 19 in the Sliding caterpillar 7 on each crawler belt joint just with the bottom surface closed contact of car beam 6, what the utility model adopted like this is the double dragging track of doing above-mentioned Sliding caterpillar 7 of bottom surface of above-mentioned car beam 6, the circular flow that is Sliding caterpillar 7 relies on the bottom surface of car beam 6 to get final product, and need not some relevant dragging track devices be set in addition specially for it, therefore the utility model is simple and reasonable, and manufacturing cost is lower.
Because Sliding caterpillar 7 of the present utility model is to be interconnected to form by the axis of rolling that has scroll wheel 19 27 on it by plural crawler belt joint, each crawler belt joint contains chain frame 21, the axis of rolling 27, axle sleeve 22 and scroll wheel 19, at the set elastic insert 20 in the position that Sliding caterpillar 7 outermost contact with ground is to be located at respectively on the bottom surface of base plate 26 of the chain frame 21 in each crawler belt joint, rather than elastic insert 20 is made a whole circle be installed on the periphery that interconnects a circle Sliding caterpillar 7 that forms by plural crawler belt joint and the position that ground contacts, so also just do not exist because of elastic insert 20 that a whole circle elastic insert 20 occurred being installed because of work fatigue lax this defective that becomes, and when damaging appears in a certain number of elastic insert 20, can change these damaged elastic inserts 20 easily, make that the utility model can continue again to use, and need not to change other elastic inserts 20 in the circle, therefore the utility model stable and reliable working performance uses easily.
Description of drawings:
Fig. 1 is the birds-eye view of the utility model most preferred embodiment;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the crawler belt joint structural representation of the utility model most preferred embodiment;
Fig. 4 is the birds-eye view of Fig. 3;
Fig. 5 is the vehicle frame birds-eye view of the utility model most preferred embodiment;
Fig. 6 is the B-B cutaway view of Fig. 5.
Wherein: 1 wheel, 2 bottom brackets, 3 wheel shafts, 4 bearing bars, 5 side retaining frames, 6 car beams, 7 Sliding caterpillars, 8 slip wheel shafts, 9 movable pulleies 10 are put wheel cavity 11 spring active pins 12 long rivet bar 13 hooks 14 hangers 15 links 16 short rivet bar 17U shape pull bars 18 support foots 19 scroll wheels 20 elastic inserts 21 chain framves 22 axle sleeves 23 supporting bases 24 rivets 25 side plates 26 base plates 27 axis of rolling.
The utility model is described in further detail below in conjunction with accompanying drawing and most preferred embodiment of the present utility model:
Referring to above-mentioned accompanying drawing: the utility model is made of vehicle frame, rolling assembly, U-shaped pull bar 17 and two slide assemblies etc.Adopting a vertical section is that rectangular hollow steel pipe makes car beam 6, the rear end of car beam 6 becomes folding shape upwards, the supporting base 23 that front end welding is one that protrude upward, be provided with slip wheel shaft 8, and respectively have one at these two ends and put wheel cavity 10, bearing bar 4 adopts circular steel bar to make, and vehicle frame is that two horizontal car beams 6 and three the vertical bearing bar 4 by said structure is welded.
Rolling assembly comprises wheel shaft 3 and two wheels 1, wheel shaft 3 adopts steel material to make, the diameter of wheel 1 is 140mm and adopts known mechanical processing technique to make, the wheel cavity 10 of putting that wheel shaft 3 passes two car beam 6 rear ends is installed on the vehicle frame, two wheels 1 are contained on the wheel shaft 3, and lay respectively at the outside of two car beams 6.
U-shaped pull bar 17 and link span 15 are by garden shape steel pipe manufacturing, U-shaped pull bar 17 is connected by two link spans 15 with the front end of two car beams 6, concrete connection mode is: hinged and pin joint is carried out by the front end of a long rivet rod 12 and 11 and two car beams 6 of two spring pins alive respectively in the rear end of two link spans 15, the front end of two link spans 15 carries out pin joint and hinged by two other spring pin 11 and two short rivet bars 16 alive with the two ends of U-shaped pull bar 17 respectively, spring need only be lived like this and sell 11 pull-ups, can easily the utility model be folded into three joints, make the utility model be convenient to deposit, be easy to carry about with one.
Also be provided with bottom bracket 2 on the vehicle frame, two sides are protected frame 5, hook 13 and hangers 14, they all adopt the reinforcing bar of diameter 6mm to make.Bottom bracket 2 makes the likeness in form inverted U-shaped, it is hinged on the wheel shaft 3, and between two car beams 6; Two sides are protected on the medial surface that frame 5 is located at two car beams 6 respectively, and the rear end of its horizontal bridge and bottom bracket 2 activities articulate, and the lower end that the front end of its horizontal bridge and vertical bridge stretch out downwards and the medial surface top of two car beams 6 are carried out hinged; Hook 13 and hangers 14 all are hinged on the long rivet rod 12, and between two car beams 6.Bottom bracket 2, two sides are set on vehicle frame to be protected frame 5, hook 13 and can play and auxiliaryly bear load gravity, prevent the effect that load is toppled.The effect of hangers 14 is: when the utility model is folded into three joints, and bottom bracket 2, two sides protected the also folding cages of receiving of frame 5, hook 13 after on the vehicle frame, can the utility model be hung up by hangers 14; Hangers 14, the hook 13 also can and bicycle cooperate use: during use, bottom bracket 2, two sides are protected frame 5 is folding earlier receives cages on vehicle frame, again the utility model is folded into three joints, be inverted U-shaped, then the utility model is placed on the rear bicycle frame, and is fixed by hangers 14, will link up with the 13 right side sides that are torqued into rear bicycle frame again, the utility model also can be used to the hook liquid gas storage tank when carrying with bicycle like this, plays the effect of one-object-many-purposes.
Two slide assemblies are installed in respectively on two car beams 6, and each slide assemblies comprises the Sliding caterpillar 7 that two identical sliding wheels of diameter 9 and a circle that is socketed in its periphery are made of plural crawler belt joint.
Wherein: sliding wheel 9 adopts metallic material to make, a sliding wheel 9 in each slide assemblies is contained on the wheel shaft 3, and be positioned at putting of car beam 6 rear ends and take turns cavity 10, another sliding wheel 9 is contained on the slip wheel shaft 8 set on the car beam 6 front end supporting bases 23, and what be positioned at car beam 6 front ends puts wheel cavity 10, and the centre distance that is in 9 of two sliding wheels in the same slide assemblies can be finely tuned with the wire drawing on the supporting base 23.Because general stairway step height is 150-180mm, so the width between centers of 9 of two sliding wheels is decided to be 300mm, the diameter of sliding wheel 9 is decided to be 80mm.
Each crawler belt joint contains chain frame 21, the axis of rolling 27, axle sleeve 22, scroll wheel 19 and elastic insert 20, chain frame 21 is made up of with the base plate 26 vertical with two blocks of side plates 25 two blocks of side plates that are parallel to each other 25, the position that contacts with ground in the periphery of its base plate 26 is provided with a dovetail furrow, elastic insert 20 passes on the bottom surface that dovetail furrow is inlaid in base plate 26, and by rivet 24 and base plate 26 riveted joints, the axis of rolling 27 is sleeved in the axle sleeve 22, the two is perpendicular to two blocks of side plates 25 of chain frame 21 and be located at an end of two blocks of side plates 25, scroll wheel 19 is sleeved on the axle sleeve 22, and plural crawler belt joint is interconnected to form Sliding caterpillar 7 by the axis of rolling 27 that has scroll wheel 19 on it.It is the sheet steel drawing of 2mm that chain frame 21 adopts thickness, the axis of rolling 27, axle sleeve 22, scroll wheel 19 adopt metallic material to make, elastic insert 20 adopts wear-resisting wiping engineering plastics preferably to adopt nylon or the soft band of polyformaldehyde to make, existing like this friction and damping performance preferably are easy to construction again, and economical and practical, the diameter of scroll wheel 19 is 18 mm, the length of each crawler belt joint is 45mm, and the width of Sliding caterpillar 7 is got 12mm, and effectively usable length is got 855mm.
When slide assemblies of the present utility model after installing on two car beams 6, the tangent plane of the scroll wheel 19 in the Sliding caterpillar 7 on each crawler belt joint just with the bottom surface closed contact of car beam 6, like this, car beam 6 is with regard to the double dragging track of doing Sliding caterpillar 7, when promptly sliding, Sliding caterpillar 7 is the dragging track that Sliding caterpillar 7 is provided with around this alternative slide rail circular flow of bottom surface along car beam 6 of two sliding wheels 9 thereby replaced special, make of the present utility model simple and reasonablely, cost descends.
When the utility model is walked on flat road surface, vehicle frame is inclined, slide assemblies lifts with vehicle frame, use on the utility model level land for convenience, reduce Sliding caterpillar 7 unnecessary wearing and tearing and consumption, the wheel bottom surface of wheel 1 is in the below of Sliding caterpillar 7, and Sliding caterpillar 7 does not contact with ground in the time of can guaranteeing the level land use like this, and at this moment the utility model is identical with the effect of two-wheeled transport trolley.
When the utility model is climbed ladder, 7 of Sliding caterpillars ride on the rectangular edge of each ladder with the bevelled car body, bear the weight of car body, cooperate with wheel 1 and successively slide round two sliding wheels 9, directly be delivered on the bottom surface of car beam 6 along the suffered gravity of any crawler belt joint that contacts with step edge in the Sliding caterpillar 7 through the scroll wheel on it 19, because Sliding caterpillar 7 has can not drawdown and be compressed this two specific character of indeformable rigidity, add that the last set elastic insert 20 of crawler belt joint can effectively reduce body oscillating, thereby Sliding caterpillar 7 can be not crooked, walking is level and smooth, car body can not produce the vibration of jolting, make car body steadily upwards to creep, as operation on one flat plate, Sliding caterpillar 7 is rotated flexibly around two sliding wheels 9.
The utility model adopts Sliding caterpillar 7 to cooperate with wheel 1 and climbs the building, makes stepwise movement become level and smooth inclined-plane motion, can significantly reduce the frictional loss of car body and ladder, thereby reach the labour-saving purpose.
Claims (3)
1, a kind of portable ladder transport trolley of climbing, by vehicle frame, rolling assembly, U-shaped pull bar (17) and two formations such as slide assemblies, vehicle frame is welded by two horizontal car beams (6) and plural vertical bearing bar (4), rolling assembly comprises wheel shaft (3) and two wheels (1), wheel shaft (3) passes the rear end that two car beams (6) are located at vehicle frame, two wheels (1) are contained on the wheel shaft (3), and lay respectively at the outside of two car beams (6), U-shaped pull bar (17) is connected with the front end of two car beams (6), each slide assemblies comprises two sliding wheels (9) that diameter is identical and is socketed in the Sliding caterpillar (7) that a circle of its periphery is made of plural crawler belt joint, each crawler belt joint contains chain frame (21), the axis of rolling (27), axle sleeve (22) and scroll wheel (19), the axis of rolling (27) is sleeved in the axle sleeve (22), they all are located at an end of chain frame (21), scroll wheel (19) is sleeved on the axle sleeve (22), plural crawler belt joint is interconnected to form Sliding caterpillar (7) by the axis of rolling (27) that has scroll wheel (19) on it, it is characterized in that: adopting a vertical section is that rectangular folding shape hollow frame is car beam (6), and the two ends of car beam (6) respectively have putting of a placement sliding wheel (9) and take turns cavity (10); Chain frame (21) in the Sliding caterpillar (7) on each crawler belt joint is made up of with the base plate (26) vertical with two blocks of side plates (25) the two blocks of side plates (25) that are parallel to each other, the position that contacts with ground in the periphery of each chain frame (21) also is provided with an elastic insert (20), the tangent plane of the scroll wheel (19) in the Sliding caterpillar (7) on each crawler belt joint just with the bottom surface closed contact of car beam (6).
2, the portable ladder transport trolley of climbing according to claim 1, it is characterized in that: the position that the periphery of the base plate (26) on each chain frame (21) contacts with ground is provided with a dovetail furrow, elastic insert (20) passes on the bottom surface that dovetail furrow is inlaid in base plate (26), and rivets by rivet (24) and base plate (26).
3, the portable ladder transport trolley of climbing according to claim 1 and 2, it is characterized in that: U-shaped pull bar (17) is connected by two link spans (15) with the front end of two car beams (6), and hinged and pin joint is carried out with the front end and the U-shaped pull bar (17) of two car beams (6) respectively in the two ends of each link span (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93220044 CN2160591Y (en) | 1993-07-24 | 1993-07-24 | Portable transporting cart capable of goingup stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93220044 CN2160591Y (en) | 1993-07-24 | 1993-07-24 | Portable transporting cart capable of goingup stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2160591Y true CN2160591Y (en) | 1994-04-06 |
Family
ID=33799297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93220044 Expired - Fee Related CN2160591Y (en) | 1993-07-24 | 1993-07-24 | Portable transporting cart capable of goingup stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2160591Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874146A (en) * | 2020-06-08 | 2020-11-03 | 杨海龙 | Sliding frame and bicycle using same |
-
1993
- 1993-07-24 CN CN 93220044 patent/CN2160591Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874146A (en) * | 2020-06-08 | 2020-11-03 | 杨海龙 | Sliding frame and bicycle using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |