CN109969244B - Stair climbing machine - Google Patents
Stair climbing machine Download PDFInfo
- Publication number
- CN109969244B CN109969244B CN201910212026.5A CN201910212026A CN109969244B CN 109969244 B CN109969244 B CN 109969244B CN 201910212026 A CN201910212026 A CN 201910212026A CN 109969244 B CN109969244 B CN 109969244B
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- CN
- China
- Prior art keywords
- stair climbing
- base frame
- annular belt
- climbing machine
- connecting rod
- 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.)
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- 230000009194 climbing Effects 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000009471 action Effects 0.000 claims abstract description 7
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- 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
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
-
- 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
-
- 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
- B62B5/06—Hand moving equipment, e.g. handle bars
Abstract
The invention discloses a stair climbing machine, which comprises: the lower part of the base frame is rotatably provided with a roller; the stair climbing mechanism comprises an annular belt, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are rotatably arranged on the base frame, and the annular belt is tensioned and transmitted through the driving wheel and the driven wheel; the outside of the annular belt is provided with N external teeth, the external teeth divide the annular belt into N sections, and the length of each section is slightly higher than the height of one step. By arranging the external teeth on the annular belt, each external tooth can drive the stair climbing machine to ascend by one step, the stair climbing machine can climb each step by adopting the same operation action, the uniform operation habit of a customer is cultivated, and the force arm is relatively large when the user climbs the step each time, so that only a motor with relatively low power is required to be configured, the production cost of equipment is reduced, the energy consumption of the equipment is reduced, and the stair climbing machine is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of carrying machinery, in particular to a stair climbing machine.
Background
The stair climbing machine is equipment for assisting in climbing stairs, and is widely applied to carrying activities of buildings without elevators. The existing stair climbing machines are generally divided into a stepping stair climbing machine and a crawler stair climbing machine; the moment that the moment arm is very small exists in the limit position, and the moment arm needs a large torque force to drive the stepping stair climbing machine, so that a motor with a large power needs to be configured, and the energy consumption is high; the crawler type stair climbing machine has the advantages that due to the limitation of the working principle, at least two stairs are required to be covered by the crawler during stair climbing, so that the crawler of the crawler type stair climbing machine is longer in length, the size of the stair climbing machine is increased, and the manufacturing cost is high; in addition, the operation actions of the crawler type stair climbing machine in the process of entering stairs, exiting stairs and running on the stairs are different, the operation habit of the user consistency cannot be cultivated, and the crawler type stair climbing machine needs larger strength when exiting stairs, so that the working strength is high; it can be seen that the existing stair climbing machine is still imperfect in structure and has room for improvement, so the invention provides a stair climbing machine with a brand new structure for solving the problems.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provide a stair climbing machine with a brand new structure, which can reduce the volume of the existing stair climbing machine and cultivate the use habit of a user.
The technical scheme adopted for solving the technical problems is as follows:
a stair climbing machine comprising:
the lower part of the base frame is rotatably provided with a roller;
the stair climbing mechanism comprises an annular belt, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are rotatably arranged on the base frame, and the annular belt is tensioned and transmitted through the driving wheel and the driven wheel; the outside of the annular belt is provided with N external teeth, the external teeth divide the annular belt into N sections, and the length of each section is slightly higher than the height of one step.
The number of the external teeth is two, and the length of the unfolded annular belt is slightly larger than the height of the two steps.
The number of the external teeth is three, and the length of the unfolded annular belt is slightly larger than the height of the three steps.
The cross section of the external teeth is trapezoid.
The lifting mechanism is arranged on the base frame, the stair climbing mechanism is arranged on the lifting mechanism, and the annular belt can descend to the same height as the roller wheels along with the action of the lifting mechanism.
The lifting mechanism comprises a sliding frame and a driving mechanism, a plurality of guide holes are formed in the base frame, guide rods are arranged on the sliding frame corresponding to the guide holes, and the guide rods are inserted into the guide holes; the driving mechanism drives the sliding frame to move up and down relative to the base frame, and the driving wheel and the driven wheel are rotatably arranged on the sliding frame.
The driving mechanism comprises an electric push rod, a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base frame, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the sliding frame; one end of the electric push rod is hinged with the base frame, and the other end is hinged with the sliding frame.
The first connecting rod is provided with a limiting block, when the sliding frame is located at the lowest position, the limiting block can be matched with the base frame to limit the first connecting rod to further rotate, and at the moment, the sliding frame is enabled to prop against the base frame by reverse acting force when climbing stairs.
The stair climbing mechanism further comprises an adjusting plate, the adjusting plate is obliquely arranged on the base frame, the inclination angle of the adjusting plate is adjustable, and the adjusting plate is used for tensioning the annular belt.
The endless belt is provided as a synchronous belt.
The beneficial effects of the invention are as follows: by arranging the external teeth on the outer side of the annular belt in one embodiment of the structure, each external tooth can drive the stair climbing machine to ascend by one step along with the rotation of the annular belt, the stair climbing machine can climb each step by adopting the same operation action, the consistent operation habit of a customer is cultivated, and the moment arm is relatively large when the customer climbs the step each time, so that only a motor with relatively low power is required to be configured, the production cost of equipment is reduced, the energy consumption of the equipment is reduced, and the stair climbing machine is energy-saving and environment-friendly.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic diagram II of an embodiment of the present invention;
FIG. 3 is a schematic view of the components associated with the drive wheel and driven wheel of the present invention;
FIG. 4 is a schematic view of one embodiment of an endless belt of the present invention;
fig. 5 is a partial enlarged view at a in fig. 2.
Detailed Description
Referring to fig. 1 to 5, the present invention is a stair climbing machine comprising:
the device comprises a base frame 1, wherein a roller 2 is rotatably arranged at the lower part of the base frame 1;
the stair climbing mechanism comprises an annular belt 3, a driving wheel 4 and a driven wheel 5, wherein the driving wheel 4 and the driven wheel 5 are rotatably arranged on the base frame 1, the annular belt 3 is tensioned and transmitted through the driving wheel 4 and the driven wheel 5, and the driving wheel 4 is preferably driven through a motor 6; the outside of the annular belt 3 is provided with N external teeth 7, the external teeth 7 divide the annular belt 3 into N sections, and the length of each section is slightly higher than the height of one step. By arranging the external teeth 7 on the outer side of the annular belt 3 in the embodiment of the structure, each external tooth 7 can drive the stair climbing machine to ascend by one step, the stair climbing machine can climb each step by adopting the same operation action, the uniform operation habit of a customer is cultivated, and the moment arm is relatively large when climbing the step each time, so that only a motor with relatively low power is needed to be configured, the production cost of equipment is reduced, the energy consumption of the equipment is reduced, and the stair climbing machine is energy-saving and environment-friendly. The embodiment of the structure specifically climbs stairs and acts as follows, the base frame 1 is controlled to move to the back of the base frame 1 to lean against the first step, the motor drives the annular belt 3 to rotate to the outer teeth 7 and the upper part of the first step, at the moment, under the rotation of the annular belt 3 and the limit of the outer teeth 7 and the first step, the base frame 1 is lifted until the outer teeth 7 move to the lowest part, at the moment, the roller 2 basically climbs the first step, an operator lifts the base frame 1, the back of the base frame 1 is abutted against the second step, and during the lifting of the operator, the annular belt 3 continues to rotate until the next outer teeth 7 are contacted with the upper part of the second step, so that each outer tooth 7 climbs one step circularly; the length of each section is slightly higher than the height of one step, so that the base frame 1 can be slightly inclined to be leaned on the step, and enough time is provided for the stair climbing machine to move on the step surface to be contacted with the upper part of the next step after climbing the step, and stair climbing efficiency and operability are both considered.
As shown in the figure, in some embodiments, the number of the external teeth 7 is two, the length of the unfolded annular belt 3 is slightly larger than the height of two steps, the annular belt 3 can climb two steps after rotating for one circle, the total length of the annular belt 3 is lower, and the occupied space of the stair climbing machine is reduced.
As shown in the figure, in some embodiments, the number of the external teeth 7 is three, and the length of the unfolded annular belt 3 is slightly larger than the height of three steps; the annular belt 3 can climb three steps after rotating one circle. Of course, the number of the external teeth 7 can also be one, and the total length of the annular belt 3 can be shortest, so that the stair climbing efficiency can be relatively lower when two external teeth 7 are arranged under the condition of the same rest parameters.
As shown in the figure, the cross section of the external teeth 7 is trapezoid, and the external teeth 7 in the shape have high structural strength and can support the lifting of the whole stair climbing machine.
As shown in the figure, the base frame 1 is provided with a lifting mechanism, the stair climbing mechanism is arranged on the lifting mechanism, and the annular belt 3 can descend to the same height as the roller 2 along with the action of the lifting mechanism; the climbing mechanism is lifted by the lifting mechanism when the climbing mechanism walks on the flat ground, accidental collision of the climbing mechanism during walking on the flat ground is avoided, the lifting mechanism drives the climbing mechanism to be in a low position during climbing, so that the roller 2 on the base frame 1 is lifted to the greatest extent, the stroke of manually lifting the climbing machine by workers is reduced as much as possible, and the labor intensity of operators is reduced.
As shown in the figure, the lifting mechanism comprises a sliding frame 8 and a driving mechanism, a plurality of guide holes 9 are formed in the base frame 1, guide rods 10 are arranged on the sliding frame 8 corresponding to the guide holes 9, and the guide rods 10 are inserted into the guide holes 9; the driving mechanism drives the sliding frame 8 to move up and down relative to the base frame 1, and the driving wheel 4 and the driven wheel 5 are rotatably arranged on the sliding frame 8; the driving mechanism comprises an electric push rod 11, a first connecting rod 12 and a second connecting rod 13, one end of the first connecting rod 12 is hinged with the base frame 1, the other end of the first connecting rod is hinged with one end of the second connecting rod 13, and the other end of the second connecting rod 13 is hinged with the sliding frame 8; one end of the electric push rod 11 is hinged with the base frame 1, and the other end is hinged with the sliding frame 8. The electric push rod 11 drives the sliding frame 8 to move, and the first connecting rod 12 and the second connecting rod 13 are used for forming a working dead point when climbing stairs, so that a driving mechanism is not required to act; the first connecting rod 12 is provided with a limiting block 14, when the sliding frame 8 is located at the lowest position, the limiting block 14 can be matched with the base frame 1 to limit the first connecting rod 12 to further rotate, and at the moment, the sliding frame 8 is in a stair climbing process, reverse acting force enables the limiting block 14 to prop against the base frame 1, and supporting force is provided for lifting a stair climbing mechanism by leaning against the limiting block 14 to prop against the base frame 1. The driving mechanism can also directly drive the sliding frame 8 to move by adopting a hydraulic oil cylinder or a motor screw rod, and similar effects can be achieved.
As shown in the figure, the stair climbing mechanism further comprises an adjusting plate 15, the adjusting plate is located in the annular belt, a guide wheel 16 is rotatably arranged on the adjusting plate 15, the adjusting plate 15 is obliquely arranged on the base frame 1, the inclination angle of the adjusting plate 15 is adjustable, the adjusting plate 15 is connected with the base frame 1 through a bolt, the inclination angle of the adjusting plate 15 can be adjusted through an adjusting bolt, and then the purpose of tensioning the annular belt 3 is achieved. The driven wheel 5 is rotatably arranged on a rotating shaft 17, threaded holes are formed in two ends of the rotating shaft 17, an adjusting screw rod 18 is rotatably arranged on the base frame 1, the adjusting screw rod 18 is inserted into the threaded holes, and the position of the driven wheel 5 relative to the driving wheel can be adjusted by rotating the adjusting screw rod 18.
As shown in the figure, the annular belt 3 is set to be a synchronous belt, the working rhythm is stable and reliable, and a large load can be borne.
As shown in the figure, the base frame 1 comprises a main body 19, a carrying board 20 and handrails 21, wherein the carrying board is hinged at the lower part of the main body so as to be folded and unfolded; the armrest is telescopically arranged on the upper part of the main body so as to adjust the height required by operators.
The above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.
Claims (7)
1. A stair climbing machine, comprising:
the lower part of the base frame is rotatably provided with a roller;
the stair climbing mechanism is positioned at the back of the base frame and comprises an annular belt, a driving wheel and a driven wheel, the driving wheel and the driven wheel are rotatably arranged on the base frame, and the annular belt is tensioned and transmitted through the driving wheel and the driven wheel; the outer side of the annular belt is provided with two external teeth, the external teeth divide the annular belt into two sections, the length of each section is slightly higher than the height of one step, and the length of the unfolded annular belt is slightly greater than the height of two steps; the lifting mechanism is arranged on the base frame, the stair climbing mechanism is arranged on the lifting mechanism, and the annular belt can descend to the same height as the roller wheels along with the action of the lifting mechanism.
2. The stair climbing machine according to claim 1, wherein the external teeth are trapezoidal in cross section.
3. The stair climbing machine according to claim 1, wherein the lifting mechanism comprises a sliding frame and a driving mechanism, a plurality of guide holes are formed in the base frame, guide rods are arranged on the sliding frame corresponding to the guide holes, and the guide rods are inserted into the guide holes; the driving mechanism drives the sliding frame to move up and down relative to the base frame, and the driving wheel and the driven wheel are rotatably arranged on the sliding frame.
4. The stair climbing machine according to claim 3, wherein the driving mechanism comprises an electric push rod, a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base frame, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the sliding frame; one end of the electric push rod is hinged with the base frame, and the other end is hinged with the sliding frame.
5. The stair climbing machine according to claim 4, wherein the first link is provided with a stopper, the stopper is engaged with the base frame to restrict the first link from further rotation when the sliding frame is at the lowest position, and the stopper is abutted against the base frame by a reverse force of the sliding frame when climbing stairs.
6. The stair climbing machine according to claim 1, wherein the stair climbing mechanism further comprises an adjusting plate, the adjusting plate is mounted on the base frame in an inclined manner, the inclination angle of the adjusting plate is adjustable, and the adjusting plate is used for tensioning the endless belt.
7. The stair climbing machine according to claim 1, wherein the endless belt is configured as a synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212026.5A CN109969244B (en) | 2019-03-20 | 2019-03-20 | Stair climbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212026.5A CN109969244B (en) | 2019-03-20 | 2019-03-20 | Stair climbing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109969244A CN109969244A (en) | 2019-07-05 |
| CN109969244B true CN109969244B (en) | 2024-01-02 |
Family
ID=67079686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212026.5A Active CN109969244B (en) | 2019-03-20 | 2019-03-20 | Stair climbing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109969244B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704439B (en) * | 2021-01-27 | 2022-02-01 | 上海特佩机电工程有限公司 | Floor sweeping robot with stair climbing function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2706640A (en) * | 1951-01-12 | 1955-04-19 | Walker D Mcmahan | Stair climbing hand truck |
| CA2246854A1 (en) * | 1997-09-19 | 1999-03-19 | Alber Antriebstechnik Gmbh | Transporting device |
| CN2517645Y (en) * | 2001-09-26 | 2002-10-23 | 吕竹雄 | Power saving electric stairs porter |
| JP2009101923A (en) * | 2007-10-24 | 2009-05-14 | Haiden:Kk | Endless belt device for step elevation, and hand-propelld vehicle equipped therewith |
| CN101531204A (en) * | 2008-08-15 | 2009-09-16 | 阮红菊 | Slip device |
| CN204161431U (en) * | 2014-09-29 | 2015-02-18 | 广东电网公司江门供电局 | A kind of Multifunctional carrying device |
| CN205769450U (en) * | 2016-05-31 | 2016-12-07 | 三明学院 | Foldable caterpillar power-assisted express transportation device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6938740B2 (en) * | 2001-12-11 | 2005-09-06 | Cheryl M. Gandy | Suitcase with stair roller and brake |
| CN104477227B (en) * | 2014-12-05 | 2016-09-07 | 姜今善 | Can the collapsible case and bag of stair activity step, luggage mobile device |
| KR102348635B1 (en) * | 2015-09-04 | 2022-01-06 | 마코 서지컬 코포레이션 | Carriage of portable surgical robot |
| CN207374467U (en) * | 2017-08-15 | 2018-05-18 | 王凤芹 | A kind of electronic loading stairs-mover of folding and unfolding crawler belt Climbing building device |
-
2019
- 2019-03-20 CN CN201910212026.5A patent/CN109969244B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2706640A (en) * | 1951-01-12 | 1955-04-19 | Walker D Mcmahan | Stair climbing hand truck |
| CA2246854A1 (en) * | 1997-09-19 | 1999-03-19 | Alber Antriebstechnik Gmbh | Transporting device |
| CN2517645Y (en) * | 2001-09-26 | 2002-10-23 | 吕竹雄 | Power saving electric stairs porter |
| JP2009101923A (en) * | 2007-10-24 | 2009-05-14 | Haiden:Kk | Endless belt device for step elevation, and hand-propelld vehicle equipped therewith |
| CN101531204A (en) * | 2008-08-15 | 2009-09-16 | 阮红菊 | Slip device |
| CN204161431U (en) * | 2014-09-29 | 2015-02-18 | 广东电网公司江门供电局 | A kind of Multifunctional carrying device |
| CN205769450U (en) * | 2016-05-31 | 2016-12-07 | 三明学院 | Foldable caterpillar power-assisted express transportation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109969244A (en) | 2019-07-05 |
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