CN107745753B - Transport vehicle capable of climbing stairs - Google Patents

Transport vehicle capable of climbing stairs Download PDF

Info

Publication number
CN107745753B
CN107745753B CN201711004851.3A CN201711004851A CN107745753B CN 107745753 B CN107745753 B CN 107745753B CN 201711004851 A CN201711004851 A CN 201711004851A CN 107745753 B CN107745753 B CN 107745753B
Authority
CN
China
Prior art keywords
seat
electric cylinder
vehicle
storage box
bearing chassis
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.)
Active
Application number
CN201711004851.3A
Other languages
Chinese (zh)
Other versions
CN107745753A (en
Inventor
张存喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ocean University ZJOU
Original Assignee
Zhejiang Ocean University ZJOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ocean University ZJOU filed Critical Zhejiang Ocean University ZJOU
Priority to CN201711004851.3A priority Critical patent/CN107745753B/en
Publication of CN107745753A publication Critical patent/CN107745753A/en
Application granted granted Critical
Publication of CN107745753B publication Critical patent/CN107745753B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D55/00Endless track vehicles
    • B62D55/06Endless track vehicles with tracks without ground wheels
    • B62D55/075Tracked vehicles for ascending or descending stairs, steep slopes or vertical surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/02Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
    • B62B5/023Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs using an upwards pushing device

Abstract

The invention belongs to the technical field of machinery, relates to a transport cart capable of climbing stairs, and solves the technical problems of low practicability and the like of the existing transport cart capable of climbing stairs. The transport vehicle comprises a bearing chassis and a storage box, the bearing chassis comprises a disc body, universal wheels are rotatably arranged at four corners of the disc body, a crawler belt device is arranged on the lower surface of the disc body, and a first driving source capable of driving the crawler belt device to lift along the height direction of the bearing chassis is arranged between the crawler belt device and the disc body; the tray body is also provided with a connecting seat, and the bearing chassis also comprises an adjusting device which can enable the connecting seat to be always kept horizontal; the storage box is attached to the upper surface of the connecting seat, and a clamping mechanism capable of clamping the storage box is arranged on the connecting seat. The transport vehicle has the advantages of good practicability and the like.

Description

Transport vehicle capable of climbing stairs
Technical Field
The invention belongs to the technical field of machinery, and relates to a transport vehicle capable of climbing stairs.
Background
At present, many low-rise residential buildings in China are not provided with elevators, and the problem of going upstairs is obvious along with aging and arrival of a birth peak. For the old, the old people live on floors without elevators, and the old people may be injured when carrying some heavy articles, such as rice and the like; for families with babies, parents who go out usually use the baby carriage, but because the baby carriage cannot go up and down steps, parents going upstairs need to carry the baby carriage while embracing the baby, and one person is difficult to finish, and the physical strength is huge.
In order to solve the above problems, chinese patent CN 204659847U discloses an auxiliary stair climbing crawler, comprising a vehicle body and a driving device, wherein the driving device comprises a crawler, a driving wheel and a plurality of bearing inducing wheel sets; the driving wheel is driven by a motor, the driving wheel transmits power to the crawler belt through meshing with the crawler belt, the bearing inducing wheel set bears the vehicle body and induces and supports the crawler belt, the crawler belt is provided with inducing teeth, and the vehicle body is also provided with a storage groove for loading articles; the vehicle body is also provided with a handle, and the handle is provided with an electric control switch and a movable clamp.
Although the stair climbing crawler can help the old people to carry heavy objects to go upstairs or go out, and can also help parents with children to carry articles, baby strollers and babies to go upstairs and go uphill, the stair climbing crawler still has the following defects:
1. when the tracked vehicle runs on the ground, the tracked vehicle also needs to be driven by a motor, and if the tracked vehicle is manually pushed, the resistance is relatively large, so that the tracked vehicle is not suitable for being used on the ground, and the practicability is low;
2. above-mentioned tracked vehicle is when climbing the building, and whole car can follow the slope of stair and be the slope form, and the article that bear on the car equally can be the slope form to make very easy dropping, the practicality is lower equally.
Disclosure of Invention
The invention aims to provide a transport vehicle capable of climbing stairs, aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to improve the practicality of this bearing chassis.
The purpose of the invention can be realized by the following technical scheme:
the transport cart capable of climbing stairs is characterized by comprising a bearing chassis and a storage box, wherein the bearing chassis comprises a tray body, universal wheels are rotatably arranged at four corners of the tray body, a crawler device is arranged on the lower surface of the tray body, and a first driving source capable of driving the crawler device to lift along the height direction of the bearing chassis is arranged between the crawler device and the tray body; the tray body is also provided with a connecting seat, and the bearing chassis also comprises an adjusting device which can enable the connecting seat to be always kept horizontal; the storage box is attached to the upper surface of the connecting seat, and a clamping mechanism capable of clamping the storage box is arranged on the connecting seat.
The working principle is as follows: when the transport vehicle acts, the storage box can be placed on the connecting seat firstly and then fixed through the clamping mechanism; when the vehicle runs on flat ground, the universal wheels are arranged at the four corners of the disc body, so that the vehicle can be normally used, and the friction force is lower compared with that of a crawler belt; when going upstairs and downstairs, the crawler device can be driven to descend by the driving source, so that the crawler device is contacted with the ground, and the downstairs can be carried out.
In foretell transport vechicle that can climb stair, fixture includes four and is located respectively the cylinder of connecting seat edge, the cylinder body of cylinder is fixed in on the connecting seat, the piston rod orientation of cylinder the storage tank, the tip of piston rod is provided with the rubber pad that can paste mutually with the storage tank and lean on. After the design has the cylinder, can form centre gripping or loosen the storage tank through the flexible of cylinder.
In the above-mentioned transport vechicle that can climb stair, fixture is still including being fixed in the stopper at connecting seat middle part, seted up on the storage tank can with the recess of stopper looks joint. After the design has stopper and recess, can place the storage tank in preset position fast, improve the availability factor.
In foretell transport vechicle that can climb stair, crawler unit includes the automobile body, the both sides of automobile body are rotated and are provided with action wheel, bogie wheel, inducer and riding wheel, action wheel, bogie wheel, inducer and riding wheel are connected through flexible chain link, still be provided with on the automobile body and drive action wheel pivoted motor. The motor rotates to drive the driving wheel to rotate, so that the chain ring is driven to move, the bearing chassis moves, and the chain ring is particularly suitable for environments with slopes such as stairs.
In foretell transport vechicle that can climb stair, driving source one includes the preceding electronic jar and the back electronic jar that distribute along disk body length direction, the upper end of preceding electronic jar and back electronic jar all set up perpendicularly in the lower surface of disk body, the lower extreme of preceding electronic jar with the automobile body is articulated mutually, the wheel groove has still been seted up along self length direction to the automobile body, the lower extreme of back electronic jar be provided with wheel groove matched with gyro wheel. Like above design, when meetting among the environment that has the slope such as stair, electronic jar before extensible for crawler attachment's front end descends until contacting with ground, and electronic jar after the extension simultaneously makes crawler attachment's rear end descend and ground contact, and at this in-process, the gyro wheel of electronic jar lower extreme in back rolls in the wheel groove, can play the effect of regulation and support.
In foretell transport vechicle that can climb stair, the upper end of preceding electronic jar and back electronic jar with be provided with preceding pressure sensor and back pressure sensor between the disk body respectively, bear the chassis still include with motor, preceding pressure sensor and the controller that back pressure sensor is connected. When climbing stairs, the controller can send the extension instruction with electronic jar in back electronic jar forward, and electronic jar in front and electronic jar in back then can drive crawler attachment's front and back end downstream respectively and contact until with ground, and the pressure that preceding pressure sensor and back pressure sensor detected this moment can increase by a wide margin to with signal transmission to controller, electronic jar in controller forward and the electronic jar in back send corresponding instruction, and send the walking instruction to the motor and climb the building.
In the transportation vehicle capable of climbing stairs, the adjusting device further comprises an inclination angle sensor, and the inclination angle sensor is connected with the controller. After the inclination angle sensor is designed, the inclination angle sensor can immediately detect the size of an included angle formed between the connecting seat and the horizontal plane and transmit a signal to the controller, and the controller further transmits corresponding extension or contraction instructions to the forward electric cylinder and the rear electric cylinder, so that a supported object placed on the connecting seat can be always kept horizontal when the bearing chassis climbs a building; specifically, when going upstairs, if the inclination angle sensor detects that the bearing chassis is in a state of high front and low back, the signal can be transmitted to the controller, and the controller sends an extension instruction to the rear electric cylinder until the bearing chassis restores to the horizontal position again; the tilt sensor is a relatively mature part, and is not described herein again, as described in the content of applying the tilt sensor to an agricultural dump truck in the application case of Baidu encyclopedia; it should be noted that although the tilt angle sensor is disclosed in the prior art, in the present application, the tilt angle sensor is skillfully combined with the front electric cylinder and the rear electric cylinder, since the front electric cylinder and the rear electric cylinder can make the mobile bearing device switch between the universal wheel walking and the crawler walking by stretching, and then the tilt angle sensor is combined with the controller, the front electric cylinder and the rear electric cylinder, the horizontal adjustment of the bearing chassis can be realized by the same set of structure, the cost is effectively controlled while the multifunction is realized, so that the bearing chassis is more civilized, and the practicability is improved from the commercial perspective.
Compared with the prior art, the invention has the following advantages:
1. when the transport vehicle acts, the storage box can be placed on the connecting seat firstly and then fixed through the clamping mechanism; when the vehicle runs on flat ground, the universal wheels are arranged at the four corners of the disc body, so that the vehicle can be normally used, and the friction force is lower compared with that of a crawler belt; when the transport cart goes up and down stairs, the crawler device can be driven by the driving source to descend, so that the crawler device is contacted with the ground, and the stairs can be moved up and down, meanwhile, the connecting seat can be kept at a horizontal position all the time by the adjusting device, so that objects in the storage box are prevented from falling off in an inclined manner, and the practicability of the transport cart is improved;
2. in this application, combine together tilt sensor and preceding electronic jar and back electronic jar ingeniously, because preceding electronic jar and back electronic jar itself accessible are flexible to make this removal bear the device and can switch between universal wheel walking and track walking, combine together tilt sensor and controller and preceding electronic jar, back electronic jar again, then the same set of structure of accessible, the horizontal adjustment on realization bearing chassis, when realizing multi-functionally, the cost has been controlled effectively, make this bearing chassis seem more civilization, from the commercial angle, its practicality has also been improved.
Drawings
Fig. 1 is an isometric view of the present transport vehicle.
Figure 2 is an isometric view of the present load-bearing chassis.
Fig. 3 is a partially enlarged view of fig. 2.
Figure 4 is a left side view of the present load-bearing chassis.
Fig. 5 is a schematic diagram of the present load-bearing chassis.
In the figure, 1, a disc body; 2. a universal wheel; 3. a crawler unit; 31. a driving wheel; 32. a flexible link; 33. a motor; 34. a vehicle body; 4. a first driving source; 41. a front electric cylinder; 42. a rear electric cylinder; 43. a wheel groove; 44. a roller; 45. a front pressure sensor; 46. a rear pressure sensor; 5. a connecting seat; 6. a controller; 7. a tilt sensor; 8. a storage box; 81. a cylinder; 82. a rubber pad; 83. and a limiting block.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the transport vehicle comprises a bearing chassis and a storage box 8, the bearing chassis comprises a tray body 1, universal wheels 2 are rotatably arranged at four corners of the tray body 1, a crawler belt device 3 is arranged on the lower surface of the tray body 1, and a driving source I4 capable of driving the crawler belt device to lift along the height direction of the bearing chassis is arranged between the crawler belt device 3 and the tray body 1; the tray body 1 is also provided with a connecting seat 5, and the bearing chassis also comprises an adjusting device which can enable the connecting seat 5 to be always kept horizontal; storage tank 8 leans on with the upper surface of connecting seat 5 mutually, is provided with the fixture that can centre gripping storage tank 8 on the connecting seat 5. Fixture includes that four are located the cylinder 81 of connecting seat edge respectively, and on the cylinder body of cylinder was fixed in connecting seat 5, the piston rod of cylinder 81 was provided with the rubber pad 82 that can paste mutually with storage tank 8 towards storage tank 8, the tip of piston rod. The clamping mechanism further comprises a limiting block 83 fixed in the middle of the connecting seat 5, and a groove capable of being clamped with the limiting block 83 is formed in the storage box 8.
Specifically, as shown in fig. 2, 3, 4 and 5, the crawler device 3 includes a vehicle body 34, a driving wheel 31, a loading wheel, an inducer and a carrier roller are rotatably disposed on both sides of the vehicle body 34, the driving wheel 31, the loading wheel, the inducer and the carrier roller are connected by a flexible chain ring 32, and a motor 33 capable of driving the driving wheel 31 to rotate is further disposed on the vehicle body 34. The first driving source 4 comprises a front electric cylinder 41 and a rear electric cylinder 42 which are distributed along the length direction of the tray body 1, the upper ends of the front electric cylinder 41 and the rear electric cylinder 42 are vertically arranged on the lower surface of the tray body 1, the lower end of the front electric cylinder 41 is hinged with the vehicle body 34, the vehicle body 34 is further provided with a wheel groove 43 along the length direction of the vehicle body, and the lower end of the rear electric cylinder 42 is provided with a roller 44 matched with the wheel groove 43. A front pressure sensor 45 and a rear pressure sensor 46 are respectively arranged between the upper ends of the front electric cylinder 41 and the rear electric cylinder 42 and the disc body 1, and the bearing chassis further comprises a controller 6 connected with the motor 33, the front pressure sensor 45 and the rear pressure sensor 46. The adjusting device comprises a tilt sensor 7, the tilt sensor 7 being connected to the controller 6.
The working principle of the invention is as follows: when the transport vehicle acts, the storage box can be placed on the connecting seat firstly and then fixed through the clamping mechanism; when the vehicle runs on flat ground, the universal wheels are arranged at the four corners of the disc body, so that the vehicle can be normally used, and the friction force is lower compared with that of a crawler belt; when going upstairs and downstairs, the crawler device can be driven to descend by the driving source, so that the crawler device is contacted with the ground, and the downstairs can be carried out.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (3)

1. The transport cart capable of climbing stairs is characterized by comprising a bearing chassis and a storage box (8), wherein the bearing chassis comprises a tray body (1), universal wheels (2) are rotatably arranged at four corners of the tray body (1), a crawler device (3) is arranged on the lower surface of the tray body (1), and a first driving source (4) capable of driving the crawler device to lift along the height direction of the bearing chassis is arranged between the crawler device (3) and the tray body (1); the disc body (1) is also provided with a connecting seat (5), and the bearing chassis also comprises an adjusting device which can enable the connecting seat (5) to be always kept horizontal; the storage box (8) is attached to the upper surface of the connecting seat (5), and a clamping mechanism capable of clamping the storage box (8) is arranged on the connecting seat (5); the crawler device (3) comprises a vehicle body (34), wherein a driving wheel (31), a loading wheel, an inducer and a carrier roller are rotatably arranged on two sides of the vehicle body (34), the driving wheel (31), the loading wheel, the inducer and the carrier roller are connected through a flexible chain ring (32), and a motor (33) capable of driving the driving wheel (31) to rotate is further arranged on the vehicle body (34); the first driving source (4) comprises a front electric cylinder (41) and a rear electric cylinder (42) which are distributed along the length direction of the tray body (1), the upper ends of the front electric cylinder (41) and the rear electric cylinder (42) are vertically arranged on the lower surface of the tray body (1), the lower end of the front electric cylinder (41) is hinged with the vehicle body (34), the vehicle body (34) is further provided with a wheel groove (43) along the length direction of the vehicle body, and the lower end of the rear electric cylinder (42) is provided with a roller (44) matched with the wheel groove (43); a front pressure sensor (45) and a rear pressure sensor (46) are respectively arranged between the upper ends of the front electric cylinder (41) and the rear electric cylinder (42) and the disc body (1), and the bearing chassis further comprises a controller (6) connected with the motor (33), the front pressure sensor (45) and the rear pressure sensor (46); the adjusting device comprises an inclination angle sensor (7), and the inclination angle sensor (7) is connected with the controller (6).
2. The transport cart capable of climbing stairs of claim 1, wherein the clamping mechanism comprises four air cylinders (81) respectively located at the edges of the connecting seat, the cylinder bodies of the air cylinders are fixed on the connecting seat (5), the piston rods of the air cylinders (81) face the storage box (8), and the end parts of the piston rods are provided with rubber pads (82) capable of being attached to the storage box (8).
3. The transport cart capable of climbing stairs of claim 2, wherein the clamping mechanism further comprises a limiting block (83) fixed in the middle of the connecting seat (5), and a groove capable of being clamped with the limiting block (83) is formed in the storage box (8).
CN201711004851.3A 2017-10-24 2017-10-24 Transport vehicle capable of climbing stairs Active CN107745753B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711004851.3A CN107745753B (en) 2017-10-24 2017-10-24 Transport vehicle capable of climbing stairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711004851.3A CN107745753B (en) 2017-10-24 2017-10-24 Transport vehicle capable of climbing stairs

Publications (2)

Publication Number Publication Date
CN107745753A CN107745753A (en) 2018-03-02
CN107745753B true CN107745753B (en) 2020-02-14

Family

ID=61253164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711004851.3A Active CN107745753B (en) 2017-10-24 2017-10-24 Transport vehicle capable of climbing stairs

Country Status (1)

Country Link
CN (1) CN107745753B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108945071B (en) * 2018-06-12 2020-12-18 嘉兴方沐能源科技有限公司 Baby stroller convenient for going upstairs and downstairs
CN109094673B (en) * 2018-09-20 2021-06-18 成都山神轨道交通设备有限公司 Platform type crawler stair climbing vehicle and automatic leveling method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920777A (en) * 1982-07-24 1984-02-02 Furukawa Mining Co Ltd Transport vehicle
CN201932253U (en) * 2010-12-09 2011-08-17 河海大学 Novel multi-purpose stair climbing device
CN204279196U (en) * 2014-12-10 2015-04-22 宁波索龙电子科技有限公司 Vehicle for fishing using hook
CN106553676A (en) * 2015-09-24 2017-04-05 重庆寿禄养蜂股份合作社 A kind of apiary dedicated hydraulic lifting platform truck
CN205059689U (en) * 2015-09-28 2016-03-02 三棵树涂料股份有限公司 Convenient fixed paint handcart
CN205098463U (en) * 2015-10-22 2016-03-23 郑州大学 Full topography helicopter undercarriage
CN205589272U (en) * 2016-05-03 2016-09-21 福建莆田彩龙化工有限公司 Coating finished product conveyer
CN205819258U (en) * 2016-05-27 2016-12-21 南京农业大学 A kind of toter being applicable to various road conditions
CN205819244U (en) * 2016-06-14 2016-12-21 浙江工业职业技术学院 A kind of novel climbing machine

Also Published As

Publication number Publication date
CN107745753A (en) 2018-03-02

Similar Documents

Publication Publication Date Title
CN107745753B (en) Transport vehicle capable of climbing stairs
KR102039867B1 (en) Powered roll-in cots having wheel alignment mechanisms
CN106394721A (en) Multi-road-condition vertical movement transporting device and transporting method
CN107792207B (en) Baby carriage capable of climbing stairs
US9445960B2 (en) Stair-climbing wheelchair
CN107776691B (en) Mobile bearing chassis and use method
CN204915772U (en) Climb stair car
CN112167867A (en) Chair with robot function
CN206417095U (en) The upright mobile conveyor of multiple road conditions
WO2016078619A1 (en) Wheel for ascending stairs, wheeled vehicle for ascending stairs and electric bicycle capable of ascending and descending stairs
CN104367425B (en) Light and convenient wheelchair for climbing stairs
CN106043377A (en) Track type power assistant vehicle
CN210175019U (en) Hanging flower basket intelligent robot loading platform
CN209366234U (en) A kind of climbing stairs pacifically dual-purpose trolley
CN203381672U (en) Crawler type stair climbing barrow
CN201287757Y (en) Flat and step dual-purpose shock absorption babies' barrow
CN202892260U (en) Multifunctional power-driven stair-climbing trolley capable of moving freely in narrow space
CN205345975U (en) Bagged water mud handling tool
CN209814142U (en) Portable stair climbing machine
CN204121301U (en) Be convenient to the cross-country wheelchair of stair climbing and countryside
CN207809490U (en) Carrier elasticity power-assisted stair-climbing device
CN212281917U (en) All-terrain stretcher vehicle
CN108175589B (en) Crawler-type stair-climbing wheelchair with seat balance device
CN213851523U (en) Manned stair climbing robot
CN213057347U (en) Stair climbing vehicle with triangular wheel train

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
GR01 Patent grant
GR01 Patent grant