CN113815701A

CN113815701A - Stair climbing trolley

Info

Publication number: CN113815701A
Application number: CN202111191058.5A
Authority: CN
Inventors: 王伟; 陈建华; 胡春祥; 贺新山
Original assignee: Zhejiang Jinggong Robotics & Intelligent Equipment Co ltd
Current assignee: Zhejiang Jinggong Robotics & Intelligent Equipment Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-12-21

Abstract

A trolley for climbing stairs belongs to the technical field of trolley equipment; including main body frame and install four groups in its four corners and climb building structure, its characterized in that: the main body framework comprises a longitudinal frame beam and a plurality of transverse beams, the transverse beams are arranged on the left side and the right side of the middle part, the top part and the bottom part of the longitudinal frame beam, and two groups of first hinge seats are arranged at the left end and the right end of the top part of the front side and the right end of the back side of the longitudinal frame beam; according to the invention, the stair climbing structures are respectively arranged at four corners of the main body frame, the stair climbing structures are three-leaf fan pieces, three ends of the stair climbing structures are circular, Mecanum wheels are inserted at the three ends, the Mecanum wheels have better stair climbing effect and function of moving back and forth, so that the whole trolley can run more stably, and the shock absorber is connected between the stair climbing structures and the main body frame, so that the shock brought by stair climbing is reduced through the shock absorber.

Description

Stair climbing trolley

Technical Field

The invention belongs to the technical field of trolley equipment, and particularly relates to a stair climbing trolley.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool.

The handcart is in daily use and material pushing process, and when facing to the stair of normally lifting up, the handcart can't very easily use, leads to the mode that needs the people to lift by hand to transport, and the labour that so will be very hard, and simultaneously under the old man needs the dolly such as the dish of buying downstairs, the small handcart can't satisfy the demand of downstairs.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a trolley for climbing stairs.

The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a climb stair dolly, includes main body frame and installs four groups in its four corners and climb building structure, its characterized in that: the main body frame includes vertical frame roof beam and a plurality of horizontal roof beam, and a plurality of horizontal roof beam setting are in the left and right sides of vertical frame roof beam middle part, top and bottom, both ends all are provided with two sets of articulated seats of first about both sides top around vertical frame roof beam, both ends all are provided with the articulated seat of two sets of seconds about both sides bottom around vertical frame roof beam, and the articulated seat of two sets of seconds of homonymy corresponds the below that sets up in the articulated seat of two sets of first of homonymy, climb the building structure setting and connect on the articulated seat of two sets of first articulated seats and two sets of seconds that correspond and rotation each other.

As preferred, climb building structure and include equipment mounting panel, first servo motor and second servo motor all connect the side at the equipment mounting panel, a plurality of first equipment holes have all been seted up to the four sides of equipment mounting panel, first servo motor is located second servo motor's top, first servo motor and second servo motor's the equal end of output runs through the another side to the equipment mounting panel, first servo motor's output is provided with first driving gear, the below of first driving gear is provided with first driven gear, first driven gear passes through the bearing and connects the side at the equipment mounting panel, the one side of keeping away from the equipment mounting panel of first driven gear is provided with synchronous gear box, first driving gear and first driven gear intermeshing, first driving gear and first driven gear all set up and keep away from first servo motor and second servo electric at the equipment mounting panel One side of the machine.

Preferably, the synchronous gearbox comprises a first panel and a second panel, a plurality of second equipment holes are formed in four sides of the first panel and four sides of the second panel, the second panel is arranged on the side face of the first driven gear and fixedly connected with the second panel, a second driving gear is arranged in the center of the second panel, a plurality of second driven gears are arranged on the outer surface of the second driven gear in a surrounding mode, the second driven gears are meshed with the second driving gear, a third driven gear is arranged at one end, far away from the second driving gear, of each second driven gear, the third driven gear is meshed with the second driven gear, and the second driven gear and the third driven gear are connected between the first panel and the second panel in a rotating mode.

Preferably, the second panel is provided with a plurality of connecting shafts, one side of each connecting shaft is connected with the first panel, the other side of each connecting shaft penetrates through the second panel and is connected with the first driven gear, the first panel and the second panel are both provided with a plurality of shaft panels, and the second driving gear and the second driven gears are connected between the two opposite shaft panels through rotating shafts.

Preferably, the equipment mounting panel all is provided with the third articulated seat with the below both sides of first servo motor common flank, the one end and the articulated seat rotation of second of third articulated seat are connected, and the top of two third articulated seats is provided with the articulated seat of fourth, the articulated seat of fourth is connected on the equipment mounting panel, it is connected with the bumper shock absorber to rotate on the articulated seat of fourth, the top and the first articulated seat rotation of bumper shock absorber are connected.

The invention has the following beneficial effects: the four corners of the main body frame are respectively provided with a stair climbing structure which is provided with three blades, three ends of the stair climbing structure are circularly arranged, Mecanum wheels are inserted at the three ends, the Mecanum wheels have better stair climbing effect and function of moving back and forth, so that the whole trolley can run more stably, a shock absorber is connected between the stair climbing structure and the main body frame, the shock caused by stair climbing is reduced through the shock absorber, a first servo motor and a second servo motor are arranged in the stair climbing structure, the first servo motor drives a first driven gear to start rotating through a first driving gear, so that a synchronous gear box can be driven to start rotating, the stair climbing structure is used for climbing up and down stairs, the second servo motor drives a second driving gear to rotate, and the second driving gear drives a second driven gear and a third driven gear on the side to rotate, thereby drive mecanum wheel and rotate to carry out the back-and-forth movement when the level land, adopt servo motor control, accomplish every wheel height synchronization control, also can carry out real-time differential control to every wheel, thereby realize the high accuracy smooth control to whole dolly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of the main body frame of the present invention;

FIG. 3 is a perspective view of the stair climbing structure of the present invention;

FIG. 4 is a perspective view of the stair climbing structure of the present invention;

fig. 5 is a schematic view of the stair climbing structure of the invention in a partially disassembled structure.

In the figure: 1. a main body frame; 11. a longitudinal frame beam; 12. a transverse beam; 13. a first hinge mount; 14. a second hinge mount; 2. a stair climbing structure; 21. an equipment mounting plate; 211. a first device aperture; 22. a first servo motor; 23. a second servo motor; 24. a third hinge mount; 25. a fourth hinge base; 26. a shock absorber; 27. a synchronous gearbox; 271. a first panel; 272. a second panel; 273. a shaft panel; 274. a second device aperture; 275. a second driving gear; 276. a second driven gear; 277. a third driven gear; 278. a connecting shaft; 28. a first drive gear; 29. a first driven gear; 210. mecanum wheels.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): the utility model provides a climb stair dolly, as shown in fig. 1-5, including main body frame 1 and install four groups of stair structures 2 of climbing in its four corners, main body frame 1 includes vertical frame roof beam 11 and a plurality of horizontal roof beam 12, a plurality of horizontal roof beam 12 set up the left and right sides at vertical frame roof beam 11 middle part top and bottom, both ends all are provided with two sets of articulated seats 13 about vertical frame roof beam 11 front and back both sides top, both ends all are provided with two sets of articulated seats 14 of second about vertical frame roof beam 11 front and back both sides bottom, two sets of articulated seats 14 of second of homonymy correspond to set up in the below of two sets of articulated seats 13 of homonymy, climb building structure 2 and set up on two sets of articulated seats 13 and two sets of articulated seats 14 of corresponding and the mutual rotation is connected, every group climbs and all is provided with a plurality of mecanum wheels 210 on building structure 2.

Stair climbing structure 2 includes equipment mounting panel 21, first servo motor 22 and second servo motor 23 all are connected in the side of equipment mounting panel 21, a plurality of first equipment holes 211 have all been seted up to equipment mounting panel 21's four sides, first servo motor 22 is located the top of second servo motor 23, the equal end of output of first servo motor 22 and second servo motor 23 runs through to the another side of equipment mounting panel 21, first servo motor 22's output is provided with first driving gear 28, the below of first driving gear 28 is provided with first driven gear 29, first driven gear 29 passes through the bearing and connects the side at equipment mounting panel 21, the one side of keeping away from equipment mounting panel 21 of first driven gear 29 is provided with synchronous gear case 27, first driving gear 28 and first driven gear 29 intermeshing, first driving gear 28 and first driven gear 29 all set up and keep away from first servo motor 22 and second servo at equipment mounting panel 21 The synchronous gearbox 27 comprises a first panel 271 and a second panel 272, wherein a plurality of second equipment holes 274 are respectively formed on four sides of the first panel 271 and the second panel 272, the second panel 272 is arranged on the side surface of the first driven gear 29 and is fixedly connected with the first driven gear, a second driving gear 275 is arranged at the central position of the second panel 272, a plurality of second driven gears 276 are arranged around the outer surface of the second driven gear 276, the second driven gears 276 are mutually meshed with the second driving gear 275, one end of each second driven gear 276 far away from the second driving gear 275 is provided with a third driven gear 277, the third driven gears 277 are mutually meshed with the second driven gears 276, the second driven gears 276 and the third driven gears 277 are respectively and rotatably connected between the first panel 271 and the second panel 272, a plurality of connecting shafts 278 are arranged on the second panel 272, one side of the connecting shaft 278 is connected with the first panel 271, the other side of the connecting shaft 278 penetrates through the second panel 272 and is connected with the first driven gear 29, a plurality of shaft panels 273 are arranged on the first panel 271 and the second panel 272, and the second driving gear 275 and the plurality of second driven gears 276 are connected between the two opposite shaft panels 273 through rotating shafts.

The below both sides that equipment mounting panel 21 and first servo motor 22 are with the side all are provided with third articulated seat 24, the one end and the articulated seat 14 mutual rotation of second of third articulated seat 24 are connected, the top of two third articulated seats 24 is provided with the articulated seat 25 of fourth, the articulated seat 25 of fourth is connected on equipment mounting panel 21, it is connected with bumper shock absorber 26 to rotate on the articulated seat 25 of fourth, the top and the first articulated seat 13 mutual rotation of bumper shock absorber 26 are connected.

The principle of the invention is as follows: when the vehicle needs to run on flat ground, the second servo motor 23 can be started at the moment, the second servo motor 23 drives the second driving gear 275 sleeved on the output end of the second servo motor to start rotating, the second driving gear 275 drives the second driven gears 276 with meshed surfaces to start rotating, the third driven gear 277 on the outer surface is driven to start rotating through the second driven gear, the Mecanum wheel 210 coaxially connected with the third driven gear 277 rotates, the whole trolley can be driven to move back and forth, when the vehicle needs to climb a building, the first servo motor 22 is started at the moment to drive the first driving gear 28 on the output end to start rotating, the first driving gear 28 drives the first driven gear 29 meshed below to synchronously rotate, the synchronous gear box 27 mutually connected with the first driving gear 28 starts rotating, the synchronous gear box 27 is provided with three fan blades, and each fan blade head is provided with a circular shape, thereby the condition that the card is changeed the mouth can not take place in the building in-process of climbing.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. The utility model provides a climb stair dolly, includes main body frame (1) and installs four groups in its four corners and climb building structure (2), its characterized in that: main body frame (1) is including vertical frame roof beam (11) and a plurality of horizontal roof beam (12), and a plurality of horizontal roof beam (12) set up the left and right sides at vertical frame roof beam (11) middle part, top and bottom, both ends all are provided with two sets of articulated seat (13) of first about vertical frame roof beam (11) front and back both sides top, both ends all are provided with two sets of articulated seats of second (14) about vertical frame roof beam (11) front and back both sides bottom, and two sets of articulated seat of second (14) of homonymy correspond and set up in the below of two sets of articulated seat of first (13) of homonymy (13), climb building structure (2) and set up on two sets of articulated seat of first (13) and two sets of articulated seat of second (14) that correspond and the rotation connection each other, every group climb and all be provided with a plurality of mecanum wheels (210) on building structure (2).

2. The stair climbing trolley according to claim 1, wherein: the stair climbing structure (2) comprises an equipment mounting plate (21), a first servo motor (22) and a second servo motor (23), wherein the first servo motor (22) and the second servo motor (23) are connected to the side face of the equipment mounting plate (21), a plurality of first equipment holes (211) are formed in four sides of the equipment mounting plate (21), the first servo motor (22) is located above the second servo motor (23), the output ends of the first servo motor (22) and the second servo motor (23) penetrate through the other face of the equipment mounting plate (21), the output end of the first servo motor (22) is provided with a first driving gear (28), the lower side of the first driving gear (28) is provided with a first driven gear (29), and the first driven gear (29) is connected to the side face of the equipment mounting plate (21) through a bearing, the one side of keeping away from equipment mounting panel (21) of first driven gear (29) is provided with synchronous gear box (27), first driving gear (28) and first driven gear (29) intermeshing, first driving gear (28) and first driven gear (29) all set up the one side of keeping away from first servo motor (22) and second servo motor (23) in equipment mounting panel (21).

3. The stair climbing trolley according to claim 2, wherein: the synchronous gearbox (27) comprises a first panel (271) and a second panel (272), wherein a plurality of second equipment holes (274) are formed in four sides of the first panel (271) and the second panel (272), the second panel (272) is arranged on the side surface of a first driven gear (29) and fixedly connected with the first driven gear, a second driving gear (275) is arranged at the center position of the second panel (272), a plurality of second driven gears (276) are arranged on the outer surface of the second driven gear (276), the second driven gear (276) is meshed with the second driving gear (275), a third driven gear (277) is arranged at one end, far away from the second driving gear (275), of each second driven gear (276), the third driven gear (277) is meshed with the second driven gear (276), and the second driven gear (276) and the third driven gear (277) are rotatably connected between the first panel (271) and the second panel (272) .

4. A stair climbing trolley according to claim 3, wherein: the connecting device is characterized in that a plurality of connecting shafts (278) are arranged on the second panel (272), one surface of each connecting shaft (278) is connected with the first panel (271), the other surface of each connecting shaft (278) penetrates through the second panel (272) to be connected with the first driven gear (29), a plurality of shaft panels (273) are arranged on the first panel (271) and the second panel (272), and the second driving gear (275) and the second driven gears (276) are connected between the two opposite shaft panels (273) through rotating shafts.

5. The stair climbing trolley according to claim 2, wherein: equipment mounting panel (21) and first servo motor (22) all are provided with third articulated seat (24) with the below both sides of side, the one end and the articulated seat of second (14) mutual rotation of third articulated seat (24) are connected, and the top of two third articulated seats (24) is provided with the articulated seat of fourth (25), the articulated seat of fourth (25) is connected on equipment mounting panel (21), it is connected with bumper shock absorber (26) to rotate on the articulated seat of fourth (25), the top and the first articulated seat of first (13) mutual rotation of bumper shock absorber (26) are connected.