CN115140146A - Stair climbing vehicle - Google Patents
Stair climbing vehicle Download PDFInfo
- Publication number
- CN115140146A CN115140146A CN202211051108.4A CN202211051108A CN115140146A CN 115140146 A CN115140146 A CN 115140146A CN 202211051108 A CN202211051108 A CN 202211051108A CN 115140146 A CN115140146 A CN 115140146A
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- wheel
- stair climbing
- vehicle
- bottom plate
- stair
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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
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
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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 leads the side running wheel set to go up and down steps and stairs and leads the common wheels to run on the road; the side running wheels of the invention do not use the periphery of the wheels, but use the peripheral side surfaces of the wheels to contact the edges of the steps of the step ladder; it is known that the periphery of a wheel is round, but the sides of the wheel are flat. The side rollers are grouped and horizontally arranged below the bottom plate, and the rollers are slightly inclined, so that one section of the peripheral side surface of each roller is contacted with the step edge of the step, and the grouped side rollers can stably roll on the step edge of the step. In order to run on a flat road, a front vehicle body and a rear vehicle body which can change positions in a swinging mode are hinged to two ends of a bottom plate, the front vehicle body and the rear vehicle body are similar to the front vehicle body and the rear vehicle body of a common electric vehicle and a common bicycle, and a motor is installed in a rear wheel.
Description
Technical Field
The vehicle is applied to a step ladder.
Background
Ordinary vehicles cannot run smoothly on stairs.
The outer circumference of a typical vehicle wheel is round. When meeting steps and stairs, the smooth rolling is difficult to realize.
If a vehicle is wanted to run on a common road and go up and down steps and stairs, the desire is more difficult to realize.
Disclosure of Invention
The invention leads the side running wheel set to go up and down steps and stairs and leads the common wheels to run on the road;
the side running wheels of the invention do not use the periphery of the wheels, but use the peripheral side surfaces of the wheels to contact the edges of the steps of the step ladder; it is known that the periphery of a wheel is round, but the sides of the wheel are flat. The side rollers are arranged below the bottom plate in groups, and the rollers are slightly inclined, so that one section of the peripheral side surface of each roller is contacted with the step edge, and the groups of side rollers can maintain stable rolling on the step edge.
In order to drive on a flat road, a front vehicle body and a rear vehicle body which can swing to change positions are hinged at two ends of the bottom plate, the structure of the front vehicle body and the rear vehicle body is similar to that of a common electric vehicle and a common bicycle, and the motor is arranged in a rear wheel.
Drawings
FIG. 1 is a front view of the side running gear set, the upper view showing the two rows of spindles of the side running gear slightly inclined outward, and the lower view showing the two rows of spindles of the side running gear slightly inclined inward
FIG. 2 is a top view of a two-piece bottom plate and side running wheel set
Fig. 3 to 7 show several different configurations of the stair climbing vehicle for getting on the stairs from the flat ground and their working processes:
FIG. 3 is a top bay type
FIG. 4 is a lift process of a lift bar
FIG. 5 is a lift bar resetting process of the lift bar type
FIG. 6 is a jaw wheel type
FIG. 7 is a pedal type
FIG. 8 is a front view of the dual-purpose vehicle for walking on stairs and level roads
FIG. 9 is a top view of the dual-purpose vehicle for walking on stairs and level roads
FIG. 10 shows a dual-purpose vehicle for walking on a flat road
Fig. 11 shows the dual-purpose vehicle for walking on stairs.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The lower part of a bottom plate (6) of the stair climbing vehicle is provided with a proper number of side running wheels (2), and the side running wheels are arranged in a left row and a right row in a staggered way; the spindles (3) of the side running wheels are fixed under the bottom plate, the spindles in two rows are perpendicular to the bottom plate and are inclined inwards or outwards jointly, the peripheral side surface (4) of each side running wheel in two rows is inclined inwards or outwards jointly, each side running wheel in two rows can contact the step edge (7) of the step by using the inner section or the outer section of the peripheral side surface of each side running wheel in two rows, and the arrangement enables the contact between the side running wheels in two rows and the step edge to be basically balanced, so that the stair climbing vehicle can run stably on the step edge.
The periphery of the side road wheel (2) is provided with a bevel gear with a small inclination, and the bevel gears are meshed in a left-right crossing sequence, namely, the right 1 is meshed with the left 1, and the left 1 is meshed with the right 2. The right 2 is meshed with the left 2 … … again, and … … between the left 1 and the right 2 is not contacted with each other, so that each gear in the same row synchronously rotates in the same direction, the left row and the right row of gears synchronously rotate in opposite directions, the inner section or the outer section of the peripheral side surface (4) of each side running wheel in the left row and the right row can run in the same direction, and the stair climbing vehicle can stably run on the step edge (7).
To stabilize the center of gravity on an inclined step, the stair climbing cart needs a certain length. Sometimes, the step ladder is inconvenient to bend when in a smaller step ladder, and the bottom plate (6) can be made into two pieces and then connected by a rotatable bottom plate mandrel (8). And a locking device is arranged between the two bottom plates. In order not to influence the meshing and transmission of the gears, a mandrel connected with a bottom plate to rotate is arranged at the same position of the axis (3) of the running wheel (2) at one side in the middle.
A traditional vertical rear wheel (9) is arranged at the rear end of the stair climbing vehicle, and the rear wheel is meshed with a bevel gear on the side surface of the rear wheel through an intermediate wheel (10) and a last side travelling wheel (2) for transmission. Thus, the rear wheel is advanced in the same direction as the stair climbing vehicle. When the flat ground enters the steps and the steps enter the flat ground, the rear wheel is used;
a box (19) is arranged at the rear section of the stair climbing vehicle close to the rear wheel (9) and is used for arranging a motor and a battery. The motor can also be arranged in the rear wheel, just like an electric bicycle; the box has a ramp (20) in front of it, which is a horizontal surface for standing people when running on a step.
In order to make the stair climbing vehicle enter the steps from the flat ground, the invention designs a plurality of different structures:
1. the upward bending type: the front end of the bottom plate (6) is added with an upward bending section (11). Two side running wheels (2) are additionally arranged at the upper bending section, and one side running wheel is more than one side running wheel which is inclined upwards. When the stair climbing vehicle goes from the flat ground to the steps, the front side traveling wheel can climb one step first, then the second side traveling wheel can climb the step, and the stair climbing vehicle is pushed by the matching of the rear wheels (9) to enter the steps to normally advance.
2. Lifting a rod type: a lifting rod (12) is arranged at a proper position of the front section of the bottom plate (6). The lifting rod is in a door shape and is slightly wider than the bottom plate, and a cross bar of the lifting rod is arranged in a shaft hole on the bottom plate. The two vertical bars are respectively arranged at two sides of the bottom plate, the upper ends of the two vertical bars are fixedly connected with two ends of the cross bar, and two ends of the cross bar are also provided with toggle rod groups (15) distributed in a tree shape and are arranged at two ends of the cross bar through a ratchet mechanism; when the stair climbing vehicle approaches a step from the flat ground, the lower end of the front lifting rod vertical bar can prop against the step root, and the front end of the stair climbing vehicle can be lifted upwards under the push of the rear wheels (9) and the matching of the lifting rods. And the normal running of the step is carried out under the continuous pushing of the rear wheel and the continuous matching of the lifting rod.
In the normal advancing process, each passing step can stir a stirring rod, so that the lifting rod vertical rod is driven to rotate forwards by an angle, when the turning platform is reached, the lower end of the lifting rod vertical rod can be reset to the forward direction, and the effect of the lifting rod can be exerted; when going downstairs, the poking rod group (15) can be poked by the steps, but the lifting rod (12) cannot be driven due to the existence of the ratchet mechanism.
3. A claw wheel type: the front end of the stair climbing vehicle is provided with a traditional claw wheel (13) which is uniformly provided with a plurality of claw teeth on the periphery in the vertical direction, and the claw wheel is in meshing transmission with the foremost side running wheel through an intermediate wheel by using a bevel gear on the side surface of the claw wheel. When the stair climbing vehicle goes from the flat ground to the steps, the claw wheel firstly climbs one step by using the claw of the stair climbing vehicle and then climbs a second step … …, so that the stair climbing vehicle enters the normal running of the stairs.
4. Pedal type: the rear end of the stair climbing vehicle is provided with a pedal (14), when the stair climbing vehicle goes from the flat ground to a step, a passenger holds the handrail by hand, steps on the pedal by one foot and exerts proper force to enable the head of the stair climbing vehicle to warp upwards, and the stair climbing vehicle can enter the step to normally advance under the pushing of the rear wheel (9).
The use method of the stair climbing vehicle comprises the following steps: a person stands on the slope (20), holds the stair handrail with hands, starts the power supply, and the rear wheel is behind when going upstairs; when going downstairs, the vehicle does not need to turn around, the vehicle is driven to back, and the rear wheel is in front; the step entering from the platform is as described in the 4 forms above.
In order to enable the stair climbing vehicle to run on a flat road, the stair climbing vehicle becomes a stair and flat road dual-purpose vehicle, a front vehicle body and a rear vehicle body are hinged to two ends of a bottom plate, the rear vehicle body of the front vehicle body is similar to the rear vehicle body of the front vehicle body of an ordinary electric vehicle or a bicycle in structure, and the lower end (16) of the front vehicle body is hinged to the front end of the bottom plate (6); the lower end (17) of the rear vehicle body is hinged with the rear end of the bottom plate, the rear vehicle body and the bottom plate can swing to change the relative positions of the rear vehicle body and the bottom plate, and the motor is arranged in the rear wheel (9);
the front and rear vehicle bodies are hinged at proper positions of the middle sections respectively through a telescopic rod (18) and a proper position of the middle section of the bottom plate (6), the inner and outer rods of the telescopic rod are sleeved with each other and can move relatively, and an automatic positioning and locking device is arranged;
when the stair climbing device runs on a walking stair, the rear wheel (9) is in meshing transmission with the last side travelling wheel (2) through the intermediate wheel (10) by using the bevel gears on the side surfaces of the rear wheel, namely, the whole side travelling wheel set is driven to work, the intermediate wheel (10) consists of a large gear and a small gear which are coaxially overlapped, the large gear is meshed with the rear wheel (9), and the small gear is meshed with the side travelling wheel (2) to play the roles of reducing the speed and increasing the speed, because the stair climbing device has the speed which is slower than that of the flat road travelling device and has large load.
The use method of the dual-purpose vehicle for the steps and the level roads comprises the following steps:
running on a flat road: the telescopic rod (18) is unlocked, the front and rear vehicle bodies are respectively pushed forwards and backwards, the front and rear wheels fall to the ground at a low position, the telescopic rod is automatically positioned and locked, the bottom plate (6) and the side travelling wheel (2) group are lifted to leave the ground, the rear wheel (9) is disengaged from the intermediate wheel (10), the whole side travelling wheel group does not work, and the dual-purpose vehicle for the steps and the level roads is changed into a common electric vehicle to run on the level roads;
running on walking stairs: the telescopic rod (18) is unlocked, the front and rear car bodies are respectively drawn back and forth, the front and rear wheels are raised to be higher than the plane of the side travelling wheel (2), the telescopic rod is automatically positioned and locked, the rear wheel (9) is meshed and driven by the bevel gear on the side surface of the rear wheel through the intermediate wheel (10) and the last side travelling wheel (2), namely, the whole side travelling wheel group is driven to work, and the dual-purpose vehicle for the steps and the level roads is changed into a vehicle for the steps and the stairs.
When entering steps from the flat ground, the front wheels have an auxiliary function, and the whole vehicle enters stairs to run under the pushing of the side running wheels (2) and the rear wheels (9).
Claims (10)
1. The utility model provides a stair car of stepping on stairs which characterized by:
a proper number of side running wheels (2) are arranged under the bottom plate (6) and are arranged in a left row and a right row in a staggered way; spindles (3) of the side running wheels are fixed under the bottom plate, the spindles in the two rows are vertical to the bottom plate and are inclined inwards or outwards slightly in a common way, so that the peripheral side surface (4) of each side running wheel in the two rows is also inclined inwards or outwards slightly in a common way, and each side running wheel in the two rows can contact the step edge (7) of the step by using the inner section or the outer section of the peripheral side surface of each side running wheel in the two rows; the arrangement enables the contact between the two rows of side running wheels and the step tread edges to be basically balanced, so that the stair climbing vehicle can smoothly run on the step tread edges.
2. The utility model provides a stair car of stepping on stairs which characterized by:
the periphery of the side travelling wheel (2) is provided with a bevel gear with small inclination, and the bevel gears are meshed in a left-right crossing sequence, namely the right 1 is meshed with the left 1, and the left 1 is meshed with the right 2; the right 2 is meshed with the left 2 … …, and the … … between the left 1 and the left 2 and between the right 1 and the right 2 are not contacted with each other; therefore, each gear in the same row synchronously rotates in the same direction, the left row of gears and the right row of gears synchronously rotate in opposite directions, and the inner section or the outer section of the peripheral side surface (4) of each side walking wheel in the left row and the right row can run in the same direction, so that the stair climbing vehicle can stably advance on the step edge (7) of the stair.
3. The utility model provides a stair car of stepping on stairs which characterized by:
in order to stabilize the gravity center on an inclined step, the stair climbing vehicle needs a certain length, sometimes, the step climbing vehicle is inconvenient when meeting smaller step turning, at the moment, a bottom plate (6) can be made into two pieces and then connected by a rotatable bottom plate mandrel (8), and in order to not influence the meshing and transmission of gears, the mandrel connected with the bottom plate in a rotating mode is arranged at the same position of the axis (3) of a running wheel (2) on one side in the middle.
4. The utility model provides a stair car of stepping on stairs which characterized by:
the rear end of the stair climbing vehicle is provided with a traditional rear wheel (9) in the vertical direction, and the rear wheel is in meshing transmission with a bevel gear on the side surface of the rear wheel through an intermediate wheel (10) and a last side travelling wheel (2); thus, the rear wheel is advanced in the same direction as the stair climbing vehicle.
5. A stair climbing vehicle as claimed in any one of claims 1, 2, 3 and 4, wherein:
the upward bending type: bottom plate (6) front end increases one and goes up curved section (11), installs two side road wheels (2) additional at last curved section, and one more than an tilt up, when the stair climbing car was followed the level land to the step, preceding side road wheel can climb a step earlier, and second side road wheel can climb the step after that, under the cooperation promotion of rear wheel (9), lets the stair climb the normal marching that the stair climbed the car and get into the step.
6. A stair climbing vehicle according to any one of the preceding claims 1, 2, 3 and 4, wherein:
lifting a rod type: a lifting rod (12) is arranged at a proper position of the front section of the bottom plate (6), the lifting rod is in a door shape and is slightly wider than the bottom plate, a cross bar of the lifting rod is arranged in a shaft hole on the bottom plate, two vertical bars are respectively arranged at two sides of the bottom plate, the upper ends of the two vertical bars are fixedly connected with two ends of the cross bar, and two ends of the cross bar are also provided with stirring rod groups (15) distributed in a tree shape at two ends of the cross bar through a ratchet mechanism; when the stair climbing vehicle approaches a step from the flat ground, the lower end of the front lifting rod vertical bar can prop against the root of the step, the front end of the stair climbing vehicle can be lifted upwards under the pushing of the rear wheel (9) and the matching of the lifting rod, and the stair climbing vehicle enters the normal advancing of the step under the continuous pushing of the rear wheel and the continuous matching of the lifting rod;
in the normal advancing process, each passing step can stir a stirring rod, so that the lifting rod vertical rod is driven to rotate forwards by an angle, when the turning platform is reached, the lower end of the lifting rod vertical rod can be reset to the forward direction, and the effect of the lifting rod can be exerted; when going downstairs, the poking rod group (15) can be poked by the steps, but the ratchet mechanism does not drive the lifting rod (12).
7. A stair climbing vehicle as claimed in any one of claims 1, 2, 3 and 4, wherein:
a claw wheel type: a traditional claw wheel (13) with a plurality of claw teeth uniformly distributed on the periphery in the vertical direction is arranged at the front end of the stair climbing vehicle, the claw wheel uses a bevel gear on the side surface of the claw wheel and is in meshing transmission with the foremost side traveling wheel through an intermediate wheel, when the stair climbing vehicle goes from the flat ground to a step, the claw wheel can firstly climb up a step by using the claw of the claw wheel and then climb up a second step … …, so that the stair climbing vehicle can normally advance to the step.
8. A stair climbing vehicle as claimed in any one of claims 1, 2, 3 and 4, wherein:
a pedal type: the rear end of the stair climbing vehicle is provided with a pedal (14), when the stair climbing vehicle goes from the flat ground to a step, a passenger holds the handrail by hand, steps on the pedal by one foot and exerts proper force to enable the head of the stair climbing vehicle to warp upwards, and the stair climbing vehicle can enter the step to normally advance under the pushing of the rear wheel (9).
9. A dual-purpose vehicle as claimed in claims 1, 2 and 3, wherein:
the two ends of the bottom plate are hinged with a front vehicle body and a rear vehicle body, the lower end (16) of the front vehicle body is hinged with the front end of the bottom plate (6), the lower end (17) of the rear vehicle body is hinged with the rear end of the bottom plate, the front vehicle body and the rear vehicle body can swing to change the relative positions of the front vehicle body and the rear vehicle body respectively, and the motor is arranged in the rear wheel (9);
the front and rear vehicle bodies are hinged at proper positions of the middle sections through a telescopic rod (18) and proper positions of the middle sections of the bottom plates (6), the inner and outer rods of the telescopic rod are sleeved with each other and can move relatively, and the front and rear vehicle bodies are provided with automatic positioning and locking devices.
10. A dual-purpose vehicle as claimed in claims 1, 2 and 3, wherein:
when the stair climbing machine runs on a walking stair, the rear wheel (9) is in meshing transmission with the bevel gear on the side surface of the rear wheel through the intermediate wheel (10) and the last side travelling wheel (2), namely, the whole side travelling wheel set is driven to work, the intermediate wheel (10) consists of a large gear and a small gear which are coaxially overlapped, the large gear is meshed with the rear wheel (9), and the small gear is meshed with the side travelling wheel (2) to play the roles of reducing the speed and increasing the force, because the stair climbing speed is slower than the travelling speed on a level road and the load is large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211051108.4A CN115140146A (en) | 2022-08-31 | 2022-08-31 | Stair climbing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211051108.4A CN115140146A (en) | 2022-08-31 | 2022-08-31 | Stair climbing vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115140146A true CN115140146A (en) | 2022-10-04 |
Family
ID=83415869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211051108.4A Withdrawn CN115140146A (en) | 2022-08-31 | 2022-08-31 | Stair climbing vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115140146A (en) |
-
2022
- 2022-08-31 CN CN202211051108.4A patent/CN115140146A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221004 |
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| WW01 | Invention patent application withdrawn after publication |