CN115042890B - Multifunctional barrier-free stair climbing vehicle - Google Patents
Multifunctional barrier-free stair climbing vehicle Download PDFInfo
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- CN115042890B CN115042890B CN202210660202.3A CN202210660202A CN115042890B CN 115042890 B CN115042890 B CN 115042890B CN 202210660202 A CN202210660202 A CN 202210660202A CN 115042890 B CN115042890 B CN 115042890B
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- rod
- rotating rod
- grooves
- supporting seats
- connecting rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/07—Mono-track vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/075—Tracked vehicles for ascending or descending stairs, steep slopes or vertical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/32—Assembly, disassembly, repair or servicing of endless-track systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Handcart (AREA)
Abstract
The invention relates to the field of stair climbing vehicles, and discloses a multifunctional barrier-free stair climbing vehicle which effectively solves the problem that the transverse space of the existing stair is small, in the stair climbing process of using a stair climbing machine, a corridor is blocked, the stair climbing vehicle comprises two supporting seats, crawler mounting grooves are formed in the outer sides of the supporting seats, belt wheels are symmetrically arranged at two ends of the inner parts of the supporting seats, crawler belts are arranged on the outer sides of the belt wheels, the crawler belts are arranged in the crawler mounting grooves, a width adjusting component is arranged between the two supporting seats, and a crawler dismounting component is arranged in the supporting seats.
Description
Technical Field
The invention belongs to the field of stair climbing vehicles, and particularly relates to a multifunctional barrier-free stair climbing vehicle.
Background
Most of the buildings in the prior old communities in China are mainly 6-1-added plate buildings, most of the buildings are not provided with elevators, stairs are mainly used as the passageway for going upstairs and downstairs, for old people with relatively large years, the old people are relatively difficult to go upstairs and downstairs, people with tired asthma are required to be climbed once, especially for people with disabled people and people with inconvenient actions, people who go upstairs and downstairs are headache-giving, people with relatively difficult climbing are required to carry on the upstairs and downstairs by young people, and then people sit on wheelchairs again, so that the barrier-free stair climbing vehicle is provided.
Some stairs have smaller transverse space, so that people in the stairs are inconvenient to go and go in the stair climbing process of the stair climbing machine, and accordingly corridor congestion is caused.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the multifunctional barrier-free stair climbing vehicle, which effectively solves the problem that the transverse space of the existing stair is smaller and the corridor is blocked in the stair climbing process by using the stair climbing machine.
In order to achieve the above purpose, the present invention provides the following technical solutions: the multifunctional barrier-free stair climbing vehicle comprises two supporting seats, wherein crawler installation grooves are formed in the outer sides of the supporting seats, belt wheels are symmetrically arranged at two ends of the inner portions of the supporting seats, crawler belts are arranged on the outer sides of the belt wheels, the crawler belts are arranged in the crawler installation grooves, a width adjusting assembly is arranged between the two supporting seats, a crawler belt dismounting assembly is arranged in the supporting seats, and an adjusting installation assembly is arranged between the two supporting seats;
the width adjusting component comprises communication grooves which are respectively and symmetrically arranged on one side of two supporting seats, wherein one side of a belt wheel in one supporting seat is provided with a first connecting rotating rod, the first connecting rotating rod is inserted into the communication grooves, the inside of the first connecting rotating rod is provided with a slot, the slot penetrates through the outer side of the first connecting rotating rod, two sides of the slot are symmetrically provided with limit grooves, the inside of the slot is inserted with a second connecting rotating rod, two sides of the second connecting rotating rod are symmetrically provided with limiting blocks, the limiting blocks are in sliding connection with the limit grooves, the second connecting rotating rod is fixedly connected with the belt wheel in the other supporting seat, the outer side of the first connecting rotating rod and the outer side of the second connecting rotating rod are respectively provided with a mounting ring, one side of the mounting ring is provided with a connecting rotating rod, the outer side of the connecting rotating rod on two sides of the supporting seat is rotatably connected with a rotating rod, and one side, which is mutually close to each other, of the rotating rods on two sides of the supporting seat is respectively provided with a first connecting unit and a second connecting unit;
the first connecting unit comprises a first swivel mount rotatably connected to one end of the rotating rod, a first connecting plate is arranged on one side of the first swivel mount, a fixed screw sleeve is arranged on one side of the first connecting plate, a connecting rod is inserted into the fixed screw sleeve, thread grooves are symmetrically formed in the outer side of the connecting rod, and the connecting rod is in threaded connection with the fixed screw sleeve through the thread grooves;
the crawler belt disassembly and assembly comprises side grooves formed in one side of the communicating groove, the two side grooves are respectively located at two sides of the first connecting plate, sliding grooves are formed in the top end and the bottom end of each side groove, sliding blocks are connected in the sliding grooves in a sliding mode, ejector blocks are installed between the two sliding blocks, the ejector blocks in the two supporting seats are respectively matched with the first connecting rotating rod and the second connecting rotating rod, an ejector rod is installed on one side of each ejector block, one end of each ejector rod is connected in the sleeve in a sliding mode, a connecting pipe is installed on one side of each sleeve, and an air cylinder is installed at one end of each connecting pipe;
the second connecting unit comprises a second swivel mount arranged at one end of the rotating rod, a second connecting plate is arranged at one side of the second swivel mount, a movable screw sleeve is arranged at one side of the second connecting plate and is in threaded connection with the connecting rod through the other threaded groove, a plug board is symmetrically arranged at one side of the movable screw sleeve, a plug slot is symmetrically arranged in the second connecting plate, the plug board is plugged in the plug slot, a clamping bolt is arranged in the plug board, and the clamping bolt and the movable screw sleeve are respectively arranged at two sides of the second connecting plate;
the adjusting and installing assembly comprises through grooves which are symmetrically arranged on one side, close to each other, of the two supporting seats, a bottom plate is arranged between the two supporting seats, side supporting rods are symmetrically arranged on two sides of the bottom plate, the side supporting rods are inserted into the through grooves, one ends of the side supporting rods are provided with limiting baffles, the top end of the bottom plate is provided with a back plate, a push handle is arranged on one side of the back plate, the bottom connecting rod is symmetrically arranged at the bottom end of the bottom plate, a lantern ring is arranged at the bottom end of the bottom connecting rod, the lantern ring is sleeved on the outer side of the connecting rod, the lantern ring is rotationally clamped with the connecting rod, a gear is arranged in the middle of the connecting rod, the gear is arranged between the two lantern rings, the top end of the gear is meshed with an output gear of the motor, a motor fixing frame is arranged on the outer side of the motor fixing frame and is fixedly connected with the bottom end of the bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the connecting rod is driven to rotate through the gear, and the fixed swivel nut and the movable swivel nut are in threaded connection with the connecting rod, so that after the connecting rod rotates, the first connecting plate and the second connecting plate are driven to be close to each other, and then the second connecting rotating rod is driven to enter the slot through the rotating rod, so that the distance between the two supporting seats is reduced, the two supporting seats can be matched with the width of stairs, and the trafficability of equipment is improved;
(2) When the movable threaded sleeve is not fixedly connected with the second connecting plate any more, the connecting rod can not drive the second connecting plate to move after rotating, the first connecting plate on the other side moves towards the bottom plate under the action of the connecting rod, and the two supporting seats can not approach each other, so that the first connecting plate drives the belt wheel to move towards the bottom plate through the rotating rod, the crawler belt is loose, the crawler belt is convenient to detach, and the maintenance efficiency is improved.
(3) According to the invention, the bottom end of the bottom plate is rotationally clamped with the connecting rod through the lantern ring, so that the bottom plate and the connecting rod are mutually clamped through the lantern ring, the positions of the connecting rod and the bottom plate are kept stable, the movement of each part is convenient, the equipment structure is simple, and the disassembly, the assembly and the maintenance are convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a connection structure of a support base according to the present invention;
FIG. 3 is a schematic view of the internal structure of the support base of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting and mounting assembly of the present invention;
FIG. 5 is a schematic view of a width adjustment assembly according to the present invention;
FIG. 6 is a schematic view showing the internal structure of the first connecting rod according to the present invention;
FIG. 7 is a schematic view of a first connecting unit according to the present invention;
FIG. 8 is a schematic diagram of a second connecting unit according to the present invention;
in the figure: 1. a support base; 2. a track mounting groove; 3. a track; 4. a belt wheel; 5. a width adjustment assembly; 501. a communication groove; 502. a first connecting rod; 503. a slot; 504. a limit groove; 505. a second connecting rod; 506. a limiting block; 507. a mounting ring; 508. connecting a swivel base; 509. a rotating lever; 510. a first connection unit; 5101. a first connection plate; 5102. fixing the screw sleeve; 5103. a first swivel mount; 511. a connecting rod; 512. a thread groove; 6. a track assembly and disassembly assembly; 601. a side groove; 602. a chute; 603. a top block; 604. a slide block; 605. a push rod; 606. a sleeve; 607. a connecting pipe; 608. a second connection unit; 6081. a second connecting plate; 6082. a second swivel mount; 6083. a movable screw sleeve; 6084. a plug-in groove; 6085. a plug board; 6086. clamping a bolt; 7. adjusting the mounting assembly; 701. a through groove; 702. a bottom plate; 703. a side support bar; 704. a limit baffle; 705. a back plate; 706. a pushing handle; 707. a bottom connecting rod; 708. a collar; 709. a motor; 710. a motor fixing frame; 711. a gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-8, the invention comprises two supporting seats 1, wherein the outer sides of the supporting seats 1 are provided with crawler installation grooves 2, belt wheels 4 are symmetrically arranged at two ends of the inner part of each supporting seat 1, a crawler 3 is arranged at the outer side of each belt wheel 4, the crawler 3 is arranged in each crawler installation groove 2, a width adjusting component 5 is arranged between the two supporting seats 1, a crawler dismounting component 6 is arranged in each supporting seat 1, and an adjusting installation component 7 is arranged between the two supporting seats 1;
in use, a person who is inconvenient to climb a stairs is fixed on the bottom plate 702, and then the pushing handle 706 pushes the crawler 3 to move on the stairs, and due to the many protrusions on the surface of the crawler 3, the protrusions can be clamped with the stairs, so that the crawler 3 can move stably on the stairs.
In the second embodiment, based on the first embodiment, the width adjustment assembly 5 includes a communication groove 501 symmetrically opened at one side of two supporting seats 1, wherein one side of a belt pulley 4 in one supporting seat 1 is provided with a first connection rotating rod 502, the first connection rotating rod 502 is inserted into the communication groove 501, a slot 503 is opened in the first connection rotating rod 502, the slot 503 penetrates to the outer side of the first connection rotating rod 502, two sides of the slot 503 are symmetrically opened with a limit groove 504, a second connection rotating rod 505 is inserted into the slot 503, two sides of the second connection rotating rod 505 are symmetrically provided with a limit block 506, the limit block 506 is in sliding connection with the limit groove 504, the second connection rotating rod 505 is fixedly connected with a belt pulley 4 in the other supporting seat 1, one side of the first connection rotating rod 502 and the outer side of the second connection rotating rod 505 are respectively provided with a connection rotating seat 508, one side of the connection rotating rod 509 on two sides of the supporting seat 1 is rotatably connected with a rotating rod 509, one side of the two sides of the first connection rotating rod 509 is respectively provided with a first connection unit 510 and a second connection unit 608, the two sides of the first connection unit 510 are rotatably connected with a first connection connecting rod 511, one side of the first connection rotating seat 511 is fixedly connected with a threaded sleeve 5102 through a threaded connection rod 511, and the threaded sleeve 5102 is fixedly connected with one side of the first connection rod 511;
when the stair is comparatively narrow, open motor 709 this moment for the output gear of motor 709 rotates, then drives connecting rod 511 through gear 711 and rotates, because fixed swivel nut 5102 and movable swivel nut 6083 all with connecting rod 511 threaded connection, thereby make connecting rod 511 rotate the back, drive first connecting plate 5101 and second connecting plate 6081 and be close to each other, then drive the second through dwang 509 and connect bull stick 505 and enter into slot 503 inside, thereby make the distance between two supporting seat 1 reduce, thereby can with stair width looks adaptation, improve equipment trafficability characteristic then.
In the third embodiment, on the basis of the first embodiment, the track dismounting assembly 6 comprises side grooves 601 formed in one side of the communicating groove 501, the two side grooves 601 are respectively located on two sides of a first connecting plate 5101, a sliding groove 602 is formed in the top end and the bottom end of the side grooves 601, sliding blocks 604 are connected in the sliding groove 602 in a sliding manner, a top block 603 is mounted between the two sliding blocks 604, the top block 603 in the two supporting seats 1 is respectively matched with a first connecting rotating rod 502 and a second connecting rotating rod 505, a top rod 605 is mounted on one side of the top block 603, one end of the top rod 605 is connected in a sliding manner in a sleeve 606, a connecting pipe 607 is mounted on one side of the sleeve 606, an air cylinder is mounted on one end of the connecting pipe 607, the second connecting unit 608 comprises a second rotating seat 6082 mounted on one end of the rotating rod 509, a second connecting plate 6081 is mounted on one side of the second rotating seat 6082, a movable threaded sleeve 6083 is mounted on one side of the second connecting plate 6081, the movable threaded sleeve 6083 is in threaded connection with the connecting rod 511 through another threaded groove 512, a plug 6085 is symmetrically mounted on one side of the movable threaded sleeve 6083, one side of the second connecting plate 6081 is symmetrically clamped in the second connecting plate 6084, a plug 6084 is symmetrically clamped in the second connecting plate 6084 is symmetrically clamped in the connecting plate 6084, and the plug 6081 is connected in the two sides 6084 is respectively inserted in the connecting plate 6084 is connected with the plug 6081;
when the track 3 is damaged and needs to be disassembled and repaired, the air cylinder is started at the moment, the air cylinder discharges the air inside the sleeve 606 through the connecting pipe 607, so that the ejector rod 605 is driven to move towards the inside of the sleeve 606, the ejector block 603 is driven to move, one sides of the first connecting rotating rod 502 and the second connecting rotating rod 505 are loosened, the clamping bolt 6086 is unscrewed, the motor 709 is started, the output gear of the motor 709 drives the connecting rod 511 to rotate, at the moment, the movable screw sleeve 6083 and the second connecting plate 6081 are not fixedly connected any more, so that the connecting rod 511 cannot drive the second connecting plate 6081 to move, two supporting seats 1 are not driven to be close to each other, the first connecting plate 5101 on the other side is driven to move towards the bottom plate 702 under the action of the connecting rod 511, and the two supporting seats 1 cannot be close to each other, so that the first connecting plate 5101 drives the belt pulley 4 to move towards the bottom plate 702 through the rotating rod 509, the track 3 is loosened, the track 3 is convenient to disassemble, and maintenance efficiency is improved.
In the fourth embodiment, on the basis of the first embodiment, the adjusting and installing assembly 7 includes through grooves 701 symmetrically arranged on one side of the two supporting seats 1, a bottom plate 702 is arranged between the two supporting seats 1, side supporting rods 703 are symmetrically arranged on two sides of the bottom plate 702, the side supporting rods 703 are inserted into the through grooves 701, a limit baffle 704 is arranged at one end of each side supporting rod 703, a backboard 705 is arranged at the top end of the bottom plate 702, a push handle 706 is arranged on one side of the backboard 705, a bottom connecting rod 707 is symmetrically arranged at the bottom end of the bottom plate 702, a lantern ring 708 is arranged at the bottom end of the bottom connecting rod 707, the lantern ring 708 is sleeved on the outer side of the connecting rod 511, the lantern ring 708 is rotationally clamped with the connecting rod 511, a gear 711 is arranged in the middle of the connecting rod 511, the gear 711 is arranged between the two lantern rings 708, an output gear of a motor 709 is connected to the top end of the gear 711 in a meshed manner, a motor fixing frame 710 is arranged on the outer side of the motor 709, and the bottom end of the bottom plate 702 is fixedly connected with the bottom end of the bottom plate 702;
bottom plate 702 passes through lateral part bracing piece 703 and supporting seat 1 sliding connection, and the bottom plate 702 bottom rotates the joint through lantern ring 708 and connecting rod 511 to make bottom plate 702 and connecting rod 511 screens each other through lantern ring 708, make the position of connecting rod 511 and bottom plate 702 remain stable, then the removal of each position of being convenient for, and make equipment structure simple, the dismouting maintenance of being convenient for.
Claims (1)
1. The utility model provides a multi-functional accessible stair climbing car, includes two supporting seats (1), its characterized in that: the crawler belt mounting device comprises a crawler belt mounting groove (2) formed in the outer side of a supporting seat (1), belt wheels (4) are symmetrically arranged at two ends of the inner portion of the supporting seat (1), a crawler belt (3) is arranged on the outer side of each belt wheel (4), the crawler belt (3) is arranged in the crawler belt mounting groove (2), a width adjusting component (5) is arranged between the two supporting seats (1), a crawler belt dismounting component (6) is arranged in the inner portion of each supporting seat (1), and an adjusting and mounting component (7) is arranged between the two supporting seats (1);
the width adjusting component (5) comprises communication grooves (501) which are respectively symmetrically arranged on one side of two supporting seats (1) which are close to each other, wherein a first connecting rotating rod (502) is arranged on one side of a belt wheel (4) in one supporting seat (1), the first connecting rotating rod (502) is inserted into the communication grooves (501), a slot (503) is formed in the first connecting rotating rod (502), the slot (503) penetrates through the outer side of the first connecting rotating rod (502), limit grooves (504) are symmetrically formed in two sides of the slot (503), a second connecting rotating rod (505) is inserted into the slot (503), limiting blocks (506) are symmetrically arranged on two sides of the second connecting rotating rod (505), the limiting blocks (506) are in sliding connection with the limit grooves (504), the second connecting rotating rod (505) is fixedly connected with the belt wheel (4) in the other supporting seat (1), a mounting ring (507) is arranged on the outer side of the first connecting rotating rod (502) and the outer side of the second connecting rotating rod (505), a rotating seat (509) is arranged on one side of the mounting ring (507), a rotating seat (509) is connected with the outer side of the rotating unit (509), and the rotating unit (509) is arranged on the two sides of the rotating unit (509) which are close to the first connecting unit (510);
the first connecting unit (510) comprises a first rotary seat (5103) rotatably connected to one end of the rotary rod (509), a first connecting plate (5101) is installed on one side of the first rotary seat (5103), a fixed screw sleeve (5102) is installed on one side of the first connecting plate (5101), a connecting rod (511) is inserted into the fixed screw sleeve (5102), thread grooves (512) are symmetrically formed in the outer side of the connecting rod (511), and the connecting rod (511) is in threaded connection with the fixed screw sleeve (5102) through the thread grooves (512);
the crawler assembly and disassembly assembly (6) comprises side grooves (601) formed in one side of the communication groove (501), the two side grooves (601) are respectively located at two sides of the first connecting plate (5101), sliding grooves (602) are formed in the top end and the bottom end of each side groove (601), sliding blocks (604) are connected in the sliding grooves (602) in a sliding mode, a top block (603) is arranged between the two sliding blocks (604), the top blocks (603) in the two supporting seats (1) are respectively matched with the first connecting rotating rod (502) and the second connecting rotating rod (505), a top rod (605) is arranged on one side of the top block (603), one end of the top rod (605) is connected in the sleeve (606) in a sliding mode, a connecting pipe (607) is arranged on one side of the sleeve (606), and a cylinder is arranged at one end of the connecting pipe (607);
the second connecting unit (608) comprises a second swivel mount (6082) arranged at one end of the rotating rod (509), a second connecting plate (6081) is arranged at one side of the second swivel mount (6082), a movable screw sleeve (6083) is arranged at one side of the second connecting plate (6081), the movable screw sleeve (6083) is in threaded connection with the connecting rod (511) through another threaded groove (512), a plug board (6085) is symmetrically arranged at one side of the movable screw sleeve (6083), plug slots (6084) are symmetrically arranged in the second connecting plate (6081), the plug board (6085) is inserted into the plug slots (6084), clamping bolts (6086) are arranged in the plug board (6085), and the clamping bolts (6086) and the movable screw sleeve (6083) are respectively arranged at two sides of the second connecting plate (6081);
adjust installation component (7) including set up respectively symmetry in two supporting seat (1) logical groove (701) that are close to one side each other, be equipped with bottom plate (702) between two supporting seat (1), side support pole (703) are all installed to the both sides of bottom plate (702) symmetry, peg graft in the inside of logical groove (701) side support pole (703), limit baffle (704) are installed to one end of side support pole (703), backplate (705) are installed on the top of bottom plate (702), push away handle (706) are installed to one side of backplate (705), bottom connecting rod (707) are installed to the bottom symmetry of bottom connecting rod (702), lantern ring (708) are installed to the bottom of bottom connecting rod (707), lantern ring (708) cup joint in the outside of connecting rod (511), and lantern ring (708) and connecting rod (511) rotation joint, mid-mounting of connecting rod (511) has gear (711), between two lantern ring (708) are located to gear (711), the top meshing of gear (711) is connected with the output gear of motor (709), motor mount (710) are installed in the outside of motor mount (710), the bottom of motor mount (710) and bottom of bottom (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210660202.3A CN115042890B (en) | 2022-06-13 | 2022-06-13 | Multifunctional barrier-free stair climbing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210660202.3A CN115042890B (en) | 2022-06-13 | 2022-06-13 | Multifunctional barrier-free stair climbing vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115042890A CN115042890A (en) | 2022-09-13 |
| CN115042890B true CN115042890B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210660202.3A Active CN115042890B (en) | 2022-06-13 | 2022-06-13 | Multifunctional barrier-free stair climbing vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN115042890B (en) |
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| CN212195682U (en) * | 2020-02-25 | 2020-12-22 | 谢彬彬 | Grain transfer machine |
| CN212738367U (en) * | 2020-08-21 | 2021-03-19 | 王冬 | Novel crawler-type electric loading stair climbing machine |
| CN112455562A (en) * | 2020-11-13 | 2021-03-09 | 湖南创远高新机械有限责任公司 | Balance beam crawler chassis, raise boring machine and raise boring machine erecting method |
| CN216332380U (en) * | 2021-12-13 | 2022-04-19 | 无锡鼎君机械科技有限公司 | Chassis structure convenient for disassembling and assembling crawler for conveyer |
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| CN115042890A (en) | 2022-09-13 |
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