CN107745753A - A kind of transport vehicle of climbing stairs - Google Patents
A kind of transport vehicle of climbing stairs Download PDFInfo
- Publication number
- CN107745753A CN107745753A CN201711004851.3A CN201711004851A CN107745753A CN 107745753 A CN107745753 A CN 107745753A CN 201711004851 A CN201711004851 A CN 201711004851A CN 107745753 A CN107745753 A CN 107745753A
- Authority
- CN
- China
- Prior art keywords
- transport vehicle
- connecting seat
- disk body
- storage tank
- electric cylinder
- 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.)
- Granted
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Classifications
-
- 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
- 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
- B62B5/023—Accessories 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 field of mechanical technique, is related to a kind of transport vehicle of climbing stairs, which solves the technical problem such as practicality is low of the transport vehicle of existing climbing stairs.Transport vehicle includes bearing chassis and storage tank, bearing chassis includes disk body, four corners of disk body rotate and are provided with universal wheel, and the lower surface of disk body is provided with crawler attachment, and the driving source one that the crawler attachment can be driven to be lifted along bearing chassis short transverse is provided between crawler attachment and disk body；Connecting seat is additionally provided with disk body, bearing chassis also includes connecting seat can be made to remain horizontal adjusting means；The upper surface of storage tank and connecting seat is mutually reclined, and the clamping device that can clamp storage tank is provided with connecting seat.This transport vehicle has the advantages that practicality is good.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of transport vehicle of climbing stairs.
Background technology
The residential building of many low layers of China is fitted without elevator at present, with aging and the arrival of the baby boom, upstairs
Problem highlights.For the elderly, live in the floor of no elevator, the such as rice when carrying some heavier articles
Deng, it is possible to make the elderly injured；And for the family for having baby, generally outgoing parents' meeting uses perambulator, but due to
Perambulator is unable to up/down steps, and father and mother upstairs should hold in the arms baby and carry doll carriage again, and a people is difficult to complete, and is consumed
It is huge to take muscle power.
In order to solve the above problems, Chinese patent CN 204659847U disclose a kind of auxiliary building climbing creeper truck, including car
Body and drive device, drive device include crawler belt, driving wheel and some load-bearing inducer groups；Driving wheel is by motor driven, active
Wheel by power with crawler belt engagement by being transmitted to crawler belt, load-bearing inducer group support car body and induction and support crawler belt, wherein crawler belt
Induction tooth is provided with, the article putting groove for loading article is additionally provided with car body；Handle is additionally provided with car body, handle is provided with automatically controlled
Switch and adjustable cramp.
Although above-mentioned building creeper truck of climbing can help the elderly to carry Weight upstairs climbing or trip, and can helps the family for having child
Long belongings, doll carriage and baby get over slope upstairs, but still have the following disadvantages：
1st, above-mentioned creeper truck is in ground running, it is also necessary to relies on motor driving, such as artificial to promote, then resistance is relatively very
Greatly, so that above-mentioned creeper truck is not suitable for ground use, practicality is relatively low；
2nd, for above-mentioned creeper truck when climbing building, vehicle can follow the gradient of stair oblique, and the article carried on car is same
Sample can be oblique, so that being easy to drop, practicality is equally relatively low.
The content of the invention
The purpose of the present invention is to be directed to above mentioned problem existing for existing technology, it is proposed that a kind of transport of climbing stairs
Car, the technical problems to be solved by the invention are：How the practicality of this bearing chassis is improved.
The purpose of the present invention can be realized by following technical proposal：
A kind of transport vehicle of climbing stairs, it is characterised in that the transport vehicle includes bearing chassis and storage tank, described to hold
Carrying chassis includes disk body, and four corners of the disk body, which rotate, is provided with universal wheel, and the lower surface of the disk body is provided with crawler belt
Device, the drive that the crawler attachment can be driven to be lifted along bearing chassis short transverse is provided between the crawler attachment and disk body
Dynamic source one；Connecting seat is additionally provided with the disk body, the bearing chassis also includes the connecting seat can be made to remain water
Flat adjusting means；The upper surface of the storage tank and the connecting seat mutually reclines, and being provided with the connecting seat to clamp
The clamping device of the storage tank.
Its operation principle is as follows：Storage tank first can be positioned on connecting seat, then pass through clamping by this transport vehicle in effect
Mechanism is fixed；, can be with normal use because four edges of disk body are provided with universal wheel when running into level land, and compare
The mode frictional force of crawler belt is relatively low；When in stair activity, by driving source one crawler attachment can be driven to decline, make crawler attachment
Touched with ground, so as to carry out stair activity, meanwhile, adjusting means may be such that connecting seat remains horizontal level, avoid
Object tilt in storage tank drops, and improves the practicality of this transport vehicle.
In a kind of transport vehicle of above-mentioned climbing stairs, the clamping device is located at the connecting seat respectively including four
The cylinder of edge, the cylinder body of the cylinder are fixed on connecting seat, and the piston rod of the cylinder is described towards the storage tank
The end set of piston rod has the rubber blanket that can be mutually reclined with storage tank.After being designed with cylinder, can by the flexible of cylinder,
Clamping is formed to storage tank or is unclamped.
In a kind of transport vehicle of above-mentioned climbing stairs, the clamping device also includes being fixed in the middle part of the connecting seat
Limited block, offering on the storage tank can be with the groove of the limited block phase clamping.After being designed with limited block and groove,
Storage tank quickly can be positioned over precalculated position, improve service efficiency.
In a kind of transport vehicle of above-mentioned climbing stairs, the crawler attachment includes car body, and the both sides of the car body turn
Dynamic to be provided with driving wheel, bogie wheel, inducer and carrier wheel, the driving wheel, bogie wheel, inducer and carrier wheel pass through flexibility
Chain link is connected, and the motor that the driving wheel can be driven to rotate is additionally provided with the car body.Motor rotates can be with driving wheel
Rotate, and then drive chain link movement, so as to realize the movement of bearing chassis, have acclive environment especially suitable for stair etc..
In a kind of transport vehicle of above-mentioned climbing stairs, the driving source one is included before being distributed along disk body length direction
The upper end of electric cylinder and rear electric cylinder, the preceding electric cylinder and rear electric cylinder is vertically installed in the lower surface of the disk body, institute
The lower end of electric cylinder is hinged with the car body before stating, and the car body is further opened with race along its length direction, electric after described
The lower end of dynamic cylinder is provided with the roller being engaged with the race.As above design, have when running into stair etc. in acclive environment
When, extending preceding electric cylinder so that the front end of crawler attachment declines up to being touched with ground, while electric cylinder after elongation, makes
The rear end decline for obtaining crawler attachment contacts with ground, and in the process, the roller at rear electric cylinder lower end rolls in race, can
Play a part of regulation and support.
In a kind of transport vehicle of above-mentioned climbing stairs, upper end and the disk body of the preceding electric cylinder and rear electric cylinder
Between be respectively arranged with preceding pressure sensor and rear pressure sensor, the bearing chassis also includes and the motor, preceding pressure
The controller that sensor and rear pressure sensor are connected.When stair climbing, controller electric cylinder and rear electric cylinder can be sent out forward
Go out elongation instruction, preceding electric cylinder and rear electric cylinder can then drive the front and back end of crawler attachment to move down respectively until with ground phase
Contact, now preceding pressure sensor and the pressure detected by rear pressure sensor can significantly increase, and transmit signals to
Controller, electric cylinder and rear electric cylinder send command adapted thereto to controller forward, and send travel commands to motor and carry out climbing building.
In a kind of transport vehicle of above-mentioned climbing stairs, the adjusting means also includes obliquity sensor, the inclination angle
Sensor is connected with the controller.After being designed with obliquity sensor, obliquity sensor can detect connecting seat and level immediately
Formed corner dimension between face, and signal is passed into controller, controller and then forward electric cylinder and rear electric cylinder are corresponding
Elongation or shrink instruction so that when climbing building, the carried thing placed on its connecting seat can also remain this bearing chassis
It is horizontal；Specifically,, can be by signal when detecting bearing chassis in state low after preceding height such as obliquity sensor when upstairs
Controller is transferred to, electric cylinder sends elongation instruction to controller backward, until bearing chassis recovers horizontal level again；For inclining
Angle transducer is comparatively ripe part, not in this to go forth, such as the application of Baidupedia " obliquity sensor " in itself
Being applied to for being referred in case is described the same in the agricultural dump truck content；It will be appreciated, however, that in the prior art
Although disclosing the obliquity sensor, in the application, dexterously obliquity sensor is combined with preceding electric cylinder and rear electric cylinder
Get up, because preceding electric cylinder and rear electric cylinder can be walked and carried out in universal wheel by this moving bearing device that stretches in itself
Switch between band walking, then obliquity sensor is combined with controller and preceding electric cylinder, rear electric cylinder, then can be by same set of
Structure, realize the Level tune of bearing chassis, realize it is multi-functional simultaneously, efficiently controlled cost so that this carrying bottom
Disk seems more popular, for business perspective, also improves its practicality.
Compared with prior art, the present invention has advantages below：
1st, storage tank first can be positioned on connecting seat, then be fixed by clamping device by this transport vehicle in effect；
, can be with normal use because four edges of disk body are provided with universal wheel when running into level land, and rubbed compared to the mode of crawler belt
Power is relatively low；When in stair activity, by driving source one crawler attachment can be driven to decline, crawler attachment is touched with ground,
So as to carry out stair activity, meanwhile, adjusting means may be such that connecting seat remains horizontal level, avoid the object in storage tank
Inclination is dropped, and improves the practicality of this transport vehicle；
2nd, in the application, dexterously obliquity sensor is combined with preceding electric cylinder and rear electric cylinder, because preceding electronic
Cylinder and rear electric cylinder can be walked by this moving bearing device that stretches in universal wheel in itself to be switched between crawler travel,
Obliquity sensor is combined with controller and preceding electric cylinder, rear electric cylinder again, then carrying bottom can be realized by same nested structure
The Level tune of disk, realize it is multi-functional simultaneously, efficiently controlled cost so that this bearing chassis seems the more common people
Change, for business perspective, also improve its practicality.
Brief description of the drawings
Fig. 1 is the axonometric drawing of this transport vehicle.
Fig. 2 is the axonometric drawing of this bearing chassis.
Fig. 3 is Fig. 2 partial enlarged drawing.
Fig. 4 is the left view of this bearing chassis.
Fig. 5 is the fundamental diagram of this bearing chassis.
In figure, 1, disk body；2nd, universal wheel；3rd, crawler attachment；31st, driving wheel；32nd, flexible chain link；33rd, motor；34th, car
Body；4th, driving source one；41st, preceding electric cylinder；42nd, rear electric cylinder；43rd, race；44th, roller；45th, preceding pressure sensor；46th, rear pressure
Force snesor；5th, connecting seat；6th, controller；7th, obliquity sensor；8th, storage tank；81st, cylinder；82nd, rubber blanket；83rd, limited block.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, transport vehicle includes bearing chassis and storage tank 8, bearing chassis includes disk body 1, four sides of disk body 1
Angle rotates and is provided with universal wheel 2, and the lower surface of disk body 1 is provided with crawler attachment 3, energy is provided between crawler attachment 3 and disk body 1
The driving source 1 for enough driving the crawler attachment to be lifted along bearing chassis short transverse；Connecting seat 5 is additionally provided with disk body 1, is carried
Chassis also includes connecting seat 5 can be made to remain horizontal adjusting means；The upper surface of storage tank 8 and connecting seat 5 mutually reclines,
The clamping device of storage tank 8 can be clamped by being provided with connecting seat 5.Clamping device is located at connecting seat edge respectively including four
Cylinder 81, the cylinder body of cylinder is fixed on connecting seat 5, and the piston rod of cylinder 81 is towards storage tank 8, the end set of piston rod
There is the rubber blanket 82 that can be reclined with the phase of storage tank 8.Clamping device also includes the limited block 83 for being fixed on the middle part of connecting seat 5, storage
Being offered on thing case 8 can be with the groove of the phase clamping of limited block 83.
Specifically, as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, crawler attachment 3 includes car body 34, and the both sides of car body 34, which rotate, to be set
Driving wheel 31, bogie wheel, inducer and carrier wheel are equipped with, driving wheel 31, bogie wheel, inducer and carrier wheel pass through flexible chain link
32 are connected, and the motor 33 that driving wheel 31 can be driven to rotate is additionally provided with car body 34.Driving source 1 includes growing along disk body 1
The preceding electric cylinder 41 and rear electric cylinder 42 of directional spreding are spent, the upper end of preceding electric cylinder 41 and rear electric cylinder 42 is vertically installed in disk
The lower surface of body 1, lower end and the car body 34 of preceding electric cylinder 41 are hinged, and car body 34 is further opened with race along its length direction
43, the lower end of rear electric cylinder 42 is provided with the roller 44 being engaged with race 43.The upper end of preceding electric cylinder 41 and rear electric cylinder 42
It is respectively arranged with preceding pressure sensor 45 and rear pressure sensor 46 between disk body 1, bearing chassis also includes and motor 33, preceding
The controller 6 that pressure sensor 45 and rear pressure sensor 46 are connected.Adjusting means includes obliquity sensor 7, inclination angle sensing
Device 7 is connected with controller 6.
The operation principle of the present invention is as follows：Storage tank first can be positioned on connecting seat, then lead to by this transport vehicle in effect
Clamping device is crossed to be fixed；When running into level land, because four edges of disk body are provided with universal wheel, can with normal use,
It is and relatively low compared to the mode frictional force of crawler belt；When in stair activity, by driving source one crawler attachment can be driven to decline, make shoe
Band device touches with ground, so as to carry out stair activity, meanwhile, adjusting means may be such that connecting seat remains horizontal position
Put, avoid the object tilt in storage tank from dropping, improve the practicality of this transport vehicle.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of transport vehicle of climbing stairs, it is characterised in that the transport vehicle includes bearing chassis and storage tank (8), described
Bearing chassis includes disk body (1), and four corners of the disk body (1), which rotate, is provided with universal wheel (2), under the disk body (1)
Surface is provided with crawler attachment (3), and the crawler attachment edge can be driven by being provided between the crawler attachment (3) and disk body (1)
The driving source one (4) of bearing chassis short transverse lifting；Connecting seat (5), the bearing chassis are additionally provided with the disk body (1)
Also include the connecting seat (5) can be made to remain horizontal adjusting means；The storage tank (8) and the connecting seat (5)
Upper surface mutually recline, be provided with the clamping device that can clamp the storage tank (8) on the connecting seat (5).
2. the transport vehicle of climbing stairs according to claim 1, it is characterised in that the clamping device includes four difference
Cylinder (81) positioned at the connecting seat edge, the cylinder body of the cylinder are fixed on connecting seat (5), the cylinder (81)
For piston rod towards the storage tank (8), the end set of the piston rod has the rubber blanket that can be mutually reclined with storage tank (8)
(82)。
3. the transport vehicle of climbing stairs according to claim 2, it is characterised in that the clamping device also includes being fixed on
Limited block (83) in the middle part of the connecting seat (5), offering on the storage tank (8) can be with the limited block (83) phase clamping
Groove.
4. the transport vehicle of climbing stairs according to claim 3, it is characterised in that the crawler attachment (3) includes car body
(34), the both sides of the car body (34) rotate and are provided with driving wheel (31), bogie wheel, inducer and carrier wheel, the driving wheel
(31), bogie wheel, inducer and carrier wheel are connected by flexible chain link (32), and being additionally provided with the car body (34) being capable of band
The motor (33) that the dynamic driving wheel (31) rotates.
5. the transport vehicle of climbing stairs according to claim 4, it is characterised in that the driving source one (4) is included along disk
The preceding electric cylinder (41) and rear electric cylinder (42) of body (1) length direction distribution, the preceding electric cylinder (41) and rear electric cylinder (42)
Upper end be vertically installed in the lower surface of the disk body (1), lower end and the car body (34) phase of the preceding electric cylinder (41)
Be hinged, the car body (34) is further opened with race (43) along its length direction, and the lower end of the rear electric cylinder (42) is provided with
The roller (44) being engaged with the race (43).
6. the transport vehicle of climbing stairs according to claim 5, it is characterised in that the preceding electric cylinder (41) and rear electronic
Preceding pressure sensor (45) and rear pressure sensor (46), institute are respectively arranged between the upper end of cylinder (42) and the disk body (1)
State the control that bearing chassis also includes being connected with the motor (33), preceding pressure sensor (45) and rear pressure sensor (46)
Device (6).
7. the transport vehicle of climbing stairs according to claim 6, it is characterised in that the adjusting means senses including inclination angle
Device (7), the obliquity sensor (7) are connected with the controller (6).
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 true CN107745753A (en) | 2018-03-02 |
| CN107745753B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945071A (en) * | 2018-06-12 | 2018-12-07 | 耿攀 | A kind of stroller convenient for stair activity |
| CN109094673A (en) * | 2018-09-20 | 2018-12-28 | 成都山神轨道交通设备有限公司 | A kind of platform-type crawler belt stairs-mover and method for automatically leveling |
Citations (9)
| 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 |
| 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 |
| CN205819244U (en) * | 2016-06-14 | 2016-12-21 | 浙江工业职业技术学院 | A kind of novel climbing machine |
| CN205819258U (en) * | 2016-05-27 | 2016-12-21 | 南京农业大学 | A kind of toter being applicable to various road conditions |
| 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 |
-
2017
- 2017-10-24 CN CN201711004851.3A patent/CN107745753B/en active Active
Patent Citations (9)
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945071A (en) * | 2018-06-12 | 2018-12-07 | 耿攀 | A kind of stroller convenient for stair activity |
| 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 |
| CN109094673A (en) * | 2018-09-20 | 2018-12-28 | 成都山神轨道交通设备有限公司 | A kind of platform-type crawler belt stairs-mover and method for automatically leveling |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107745753B (en) | 2020-02-14 |
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