CN112722115B - Logistics robot with walking speed reducer - Google Patents
Logistics robot with walking speed reducer Download PDFInfo
- Publication number
- CN112722115B CN112722115B CN202011512493.9A CN202011512493A CN112722115B CN 112722115 B CN112722115 B CN 112722115B CN 202011512493 A CN202011512493 A CN 202011512493A CN 112722115 B CN112722115 B CN 112722115B
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- gear
- shaft
- driving
- rod
- driving shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Handcart (AREA)
Abstract
The invention relates to a logistics robot with a walking speed reducer, which comprises: the vehicle comprises a vehicle body, two driving mechanisms and two supporting wheels. The drive mechanism includes: motor, driving shaft, driven shaft, driving wheel, carriage, pole, driving gear, first connecting gear, second connecting gear, driven gear, coupling assembling. The invention has the advantages that: by arranging the driving mechanism, the logistics trolley can switch the transmission mode, so that the effect of increasing the driving force or increasing the speed is achieved, and the working efficiency is improved; through setting up the carriage, through the position of pole control carriage, can control the joint of connecting block and driven shaft and be connected between the gear, compact structure, it is convenient to regulate and control.
Description
Technical Field
The invention relates to logistics equipment, in particular to a logistics robot with a walking speed reducer.
Background
In the commodity circulation trade, in order to improve work efficiency, reduce the cost of labor, often can adopt some automatic handling devices to be used for transporting article.
The maximum output power of a motor of a general transport vehicle is limited, so that the general transport vehicle can only transport articles with certain weight, and the phenomenon that the general transport vehicle moves slowly or even cannot move when transporting overweight articles is often caused; and the trolley with higher output power usually consumes too fast power, thus influencing endurance.
Disclosure of Invention
In view of the above, it is necessary to provide a logistics robot having a travel speed reducer.
The invention discloses a logistics robot with a walking speed reducer, which comprises: the vehicle comprises a vehicle body, two driving mechanisms and two supporting wheels. The vehicle body is used for loading cargos; two actuating mechanism set up respectively in the both sides of automobile body for the drive the automobile body removes, actuating mechanism includes: motor, driving shaft, driven shaft, driving wheel, carriage, pole, driving gear, first connecting gear, second connecting gear, driven gear, coupling assembling, the motor is fixed in the automobile body, the motor can drive the driving shaft is rotatory, driven shaft and the coaxial swivelling joint of driving shaft, coupling assembling can make driving shaft and driven shaft joint, thereby make driving shaft and driven shaft synchronous revolution, driven gear with driving wheel fixed connection, the carriage slides and sets up in on the automobile body, pole one end is fixed in the automobile body, the other end is fixed in the carriage, first connecting gear and the coaxial fixed setting of second connecting gear, and swivelling joint in on the carriage, the carriage has first operating position and second operating position, through control the pole is flexible, the sliding frame can be switched between the first working position and the second working position, when the sliding frame is in the first working position, the driving shaft is connected with the driven shaft through a connecting assembly, so that the motor can drive the driving wheel to rotate, when the sliding frame is in the second working position, the sliding frame can enable the connecting assembly to be separated from the driven shaft, so that the driven shaft and the driving shaft can rotate relatively, and meanwhile, the first connecting gear is meshed with the driving gear, and the second connecting gear is meshed with the driven gear; and the two supporting wheels are respectively and rotatably arranged on two sides of the vehicle body.
In one embodiment, the driven shaft is provided with a connecting groove, the connecting assembly comprises a connecting block, a reset spring, a connecting gas rod and a one-way valve, the connecting block is hinged on the driving shaft, one end of the connecting block can extend into the connecting groove so as to enable the driving shaft to be clamped with the driven shaft, when the sliding frame is in a second working position, the sliding frame can press the connecting block to enable the connecting block to be separated from the connecting groove, one end of the connecting gas rod is fixed on the driving shaft, the other end of the connecting gas rod is connected with one end of the connecting block, the one-way valve is connected with the connecting gas rod, the reset spring is sleeved on the connecting gas rod, one end of the reset spring is abutted against the driving shaft, the other end of the reset spring is abutted against the connecting block, the connecting gas rod is provided with an air inlet small hole, and gas in the connecting gas rod can be rapidly discharged through the one-way valve, thereby make and connect the gas pole and can shorten fast, and in slow extension under reset spring's effect, when connecting the gas pole and being in the extension state, the connecting block stretches into in the spread groove, when connecting the gas pole and being in the state of shortening, the connecting block breaks away from the spread groove.
In one embodiment, the first connecting gear is connected with the second connecting gear through a connecting shaft.
In one embodiment, the sliding frame comprises a rod part and an abutting part, the rod part is rotatably connected with the connecting shaft, a through hole is formed in the abutting part, and the connecting shaft penetrates through the through hole.
In one embodiment, a spring rod is arranged on the abutting part, and the spring rod can abut against the connecting block.
In one embodiment, the electric pole can stretch out first length and second length, and the length of second length is greater than the length of first length, when the electric pole stretches out first length, the spring beam butt in the driving shaft to can press the connecting block, when the electric pole stretches out second length, first connecting gear and driving gear meshing, second connecting gear and driven gear meshing.
In one embodiment, a placing plate is arranged on the top of the vehicle body, a pressure sensor is arranged between the placing plate and the vehicle body, and when the pressure detected by the pressure sensor is higher than a preset value, the electric pole extends.
The invention has the advantages that:
(1) by arranging the driving mechanism, the logistics trolley can switch the transmission mode, so that the effect of increasing the driving force or increasing the speed is achieved, and the working efficiency is improved;
(2) by arranging the sliding frame, the clamping connection between the connecting block and the driven shaft and the connection between the gears can be controlled by controlling the position of the sliding frame through the electric pole, so that the structure is compact, and the regulation and control are convenient;
(3) the connecting block can be quickly disconnected from the driven shaft in a clamping manner and slowly reconnected with the driven shaft by arranging the connecting air rod, the one-way valve and the reset spring, so that the connecting block can be kept disconnected from the driven shaft in the moving process of the trolley;
(4) through setting up the spring beam to make the pole have first length and second length, make the sliding frame when switching operating position, can preferentially make connecting block and driven shaft break away from the joint, then make first connecting gear and driving gear, second connecting gear and driven gear meshing again, accomplish transmission's switching.
Drawings
Fig. 1 is a perspective view of a logistics robot with a walking speed reducer provided by the invention;
fig. 2 to 4 are perspective views of the driving mechanism provided by the present invention in different working states;
FIG. 5 is a front view of the drive mechanism provided by the present invention;
FIG. 6 is a cross-sectional view taken along plane A-A of FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view at B of FIG. 6 provided in accordance with the present invention;
FIG. 8 is a cross-sectional view of the present invention in another operational state according to FIG. 7;
fig. 9 is a perspective view of the moving frame according to the present invention.
In the figure, the vehicle body 1, the installation plate 11, the motor 21, the drive shaft 22, the driven shaft 23, the connection groove 231, the drive wheel 24, the carriage 25, the rod portion 251, the contact portion 252, the through hole 2521, the spring rod 2522, the electric pole 26, the drive gear 27, the first connection gear 281, the connection shaft 282, the second connection gear 283, the driven gear 29, the support wheel 3, the connection assembly 4, the connection block 41, the return spring 42, the connection air lever 43, and the check valve 44 are illustrated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 6, the present invention discloses a logistics robot with a walking reducer, which comprises: the vehicle comprises a vehicle body 1, two driving mechanisms and two supporting wheels 3. The vehicle body 1 is used for loading cargos; two actuating mechanism set up respectively in the both sides of automobile body 1 for the drive automobile body 1 removes, actuating mechanism includes: motor 21, driving shaft 22, driven shaft 23, driving wheel 24, carriage 25, pole 26, driving gear 27, first connecting gear 281, second connecting gear 283, driven gear 29, coupling assembling 4, motor 21 is fixed in automobile body 1, motor 21 can drive driving shaft 22 is rotatory, driven shaft 23 and the coaxial swivelling joint of driving shaft 22, coupling assembling 4 can make driving shaft 22 and driven shaft 23 joint to make driving shaft 22 and driven shaft 23 synchronous revolution, driven gear 29 with driving wheel 24 fixed connection, carriage 25 slide set up in on automobile body 1, pole 26 one end is fixed in automobile body 1, the other end is fixed in carriage 25, first connecting gear 281 and the coaxial fixed setting of second connecting gear 283, and swivelling joint in on carriage 25, the carriage 25 has a first working position and a second working position, the carriage 25 can be switched between the first working position and the second working position by controlling the extension and contraction of the electric pole 26, when the carriage 25 is at the first working position, the driving shaft 22 is connected with the driven shaft 23 through the connecting component 4, so that the motor 21 can drive the driving wheel 24 to rotate, when the carriage 25 is at the second working position, the carriage 25 can separate the connecting component 4 from the driven shaft 23, so that the driven shaft 23 and the driving shaft 22 can rotate relatively, and simultaneously, the first connecting gear 281 is meshed with the driving gear 27, and the second connecting gear 283 is meshed with the driven gear 29; the two supporting wheels 3 are respectively and rotatably arranged on two sides of the vehicle body 1.
Preferably, as shown in fig. 6 to 8, the driven shaft 23 is provided with a connecting groove 231, the connecting assembly 4 includes a connecting block 41, a return spring 42, a connecting air rod 43 and a one-way valve 44, the connecting block 41 is hinged to the driving shaft 22, and one end of the connecting block 41 can extend into the connecting groove 231 so as to clamp the driving shaft 22 and the driven shaft 23, when the sliding frame 25 is located at the second working position, the sliding frame 25 can press the connecting block 41 to separate the connecting block 41 from the connecting groove 231, one end of the connecting air rod 43 is fixed to the driving shaft 22, the other end of the connecting air rod 43 is connected to one end of the connecting block 41, the one-way valve 44 is connected to the connecting air rod 43, the return spring 42 is sleeved on the connecting air rod 43, and one end of the return spring abuts against the driving shaft 22, and the other end of the return spring abuts against the connecting block 41, the connecting gas rod 43 is provided with a small gas inlet hole, gas in the connecting gas rod 43 can be rapidly discharged through the one-way valve 44, so that the connecting gas rod 43 can be rapidly shortened and slowly extend under the action of the return spring 42, when the connecting gas rod 43 is in an extension state, the connecting block 41 extends into the connecting groove 231, and when the connecting gas rod 43 is in a shortening state, the connecting block 41 is separated from the connecting groove 231.
It should be noted that, when the connecting block 41 compresses the connecting air rod 43, the air is rapidly exhausted through the check valve 44 and the small air inlet hole, so that the connecting block 41 can be rapidly separated from the connecting groove 231, and thus the driving shaft 22 and the driven shaft 23 can rotate relatively, when the connecting block 41 is reset under the action of the reset spring 42, the air enters the connecting air rod 43 only through the small air inlet hole, so as to achieve the effects of rapidly shortening and slowly extending the connecting air rod 43, so that the driving shaft 22 rotates for a circle, and is pressed by the sliding frame 25 again when the connecting block 41 is not reset, and thus when the electric pole 26 is in an extended state, the trolley can keep the connecting block 41 and the connecting groove 231 in an unconnected state during the running process.
It is worth mentioning that, as shown in fig. 2, the link block 41 is provided with an arc surface, and when the driving shaft 22 rotates, the link assembly 4 can press one end of the link block 41 through the arc surface, thereby separating the other end of the link block 41 from the connection groove 231.
Preferably, the first connecting gear 281 is connected to the second connecting gear 283 through a connecting shaft 282.
Preferably, as shown in fig. 9, the sliding frame 25 includes a rod portion 251 and an abutting portion 252, the rod portion 251 is rotatably connected to the connecting shaft 282, a through hole 2521 is formed in the abutting portion 252, and the connecting shaft 282 passes through the through hole 2521.
Preferably, a spring rod 2522 is provided on the contact portion 252, and the spring rod 2522 can be brought into contact with the connection block 41.
Preferably, the electric pole 26 is capable of extending a first length and a second length, when the electric pole 26 extends the first length, the spring rod 2522 abuts against the driving shaft 22 to enable pressing of the connecting block 41, and when the electric pole 26 extends the second length, the first connecting gear 281 is engaged with the driving gear 27, and the second connecting gear 283 is engaged with the driven gear 29.
Preferably, a placing plate 11 is arranged at the top of the vehicle body 1, a pressure sensor is arranged between the placing plate 11 and the vehicle body 1, and when the pressure detected by the pressure sensor is higher than a preset value, the electric pole 26 extends.
The working mode of the invention is as follows: as shown in fig. 2, when the pressure detected by the pressure sensor is less than a preset value, the electric pole 26 is kept in a contracted state, and at this time, the driving shaft 22 is connected with the driven shaft 23 through the connecting assembly 4, and the motor 21 can drive the driving wheels 24 to rotate.
When the pressure detected by the pressure sensor is higher than the preset value, as shown in fig. 3, the electric pole 26 extends out by a first length, starts the motor 21, rotates the driving shaft 22, and keeps for n seconds, so that the spring rod 2522 presses the connecting block 41, thereby separating the driving shaft 22 from the driven shaft 23, in this embodiment, n equals to 3 seconds, and then the electric pole 26 extends out by a second length, as shown in fig. 4, so that the first connecting gear 281 engages with the driving gear 27, and the second connecting gear 283 engages with the driven gear 29, thereby enabling the motor 21 to drive the driving wheel 24 to rotate through the driving shaft 22, the driving gear 27, the first connecting gear 281, the connecting shaft 282, the second connecting gear 283, and the driven gear 29, thereby completing the switching of the transmission paths.
When the pressure detected by the pressure sensor is reduced to be lower than the preset value again, the electric pole 26 is shortened to be in a contracted state, the motor 21 is slowly rotated until the connecting block 41 is clamped into the connecting groove 231 again, and therefore the connecting block 41 is connected with the connecting groove 231 on the driven shaft 23, and the trolley has higher moving speed.
It should be noted that in the present embodiment, the diameter of the driving gear 27 is smaller than that of the first connecting gear 281, and the diameter of the driven gear 29 is larger than that of the second connecting gear 283, so as to achieve the function of a reducer and improve the driving force of the driving wheel 24.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A logistics robot with a walking speed reducer is characterized in that the logistics robot with the walking speed reducer comprises:
a vehicle body for loading cargo;
two actuating mechanism, set up respectively in the both sides of automobile body for the drive the automobile body removes, actuating mechanism includes: motor, driving shaft, driven shaft, driving wheel, carriage, pole, driving gear, first connecting gear, second connecting gear, driven gear, coupling assembling, the motor is fixed in the automobile body, the motor can drive the driving shaft is rotatory, driven shaft and the coaxial swivelling joint of driving shaft, coupling assembling can make driving shaft and driven shaft joint, thereby make driving shaft and driven shaft synchronous revolution, driven gear with driving wheel fixed connection, the carriage slides and sets up in on the automobile body, pole one end is fixed in the automobile body, the other end is fixed in the carriage, first connecting gear and the coaxial fixed setting of second connecting gear, and swivelling joint in on the carriage, the carriage has first operating position and second operating position, through control the pole is flexible, the sliding frame can be switched between the first working position and the second working position, when the sliding frame is in the first working position, the driving shaft is connected with the driven shaft through a connecting assembly, so that the motor can drive the driving wheel to rotate, when the sliding frame is in the second working position, the sliding frame can enable the connecting assembly to be separated from the driven shaft, so that the driven shaft and the driving shaft can rotate relatively, and meanwhile, the first connecting gear is meshed with the driving gear, and the second connecting gear is meshed with the driven gear;
two supporting wheels which are respectively and rotatably arranged on the two sides of the vehicle body,
the driven shaft is provided with a connecting groove, the connecting assembly comprises a connecting block, a reset spring, a connecting gas rod and a one-way valve, the connecting block is hinged on the driving shaft, one end of the connecting block can extend into the connecting groove so as to enable the driving shaft to be clamped with the driven shaft, when the sliding frame is at a second working position, the sliding frame can press the connecting block to enable the connecting block to be separated from the connecting groove, one end of the connecting gas rod is fixed on the driving shaft, the other end of the connecting gas rod is connected with one end of the connecting block, the one-way valve is connected with the connecting gas rod, the reset spring is sleeved on the connecting gas rod, one end of the reset spring is abutted against the driving shaft, the other end of the reset spring is abutted against the connecting block, the connecting gas rod is provided with a small gas inlet hole, gas in the connecting gas rod can be rapidly discharged through the one-way valve, and the connecting gas rod can be rapidly shortened, and when the connecting air rod is in a shortened state, the connecting block is separated from the connecting groove.
2. The logistics robot with a walking speed reducer of claim 1, wherein the first connecting gear is connected with the second connecting gear through a connecting shaft.
3. The logistics robot with a walking speed reducer of claim 2, wherein the sliding frame comprises a rod part and an abutting part, the rod part is rotatably connected with the connecting shaft, a through hole is formed in the abutting part, and the connecting shaft penetrates through the through hole.
4. The logistics robot with a walking speed reducer of claim 3, wherein a spring rod is arranged on the abutting part, and the spring rod can abut against the connecting block.
5. The logistics robot with a walking speed reducer of claim 4, wherein the electric pole can extend a first length and a second length, and the length of the second length is greater than the length of the first length, when the electric pole extends the first length, the spring rod abuts against the driving shaft, so that a connecting block can be pressed down, when the electric pole extends the second length, the first connecting gear is meshed with the driving gear, and the second connecting gear is meshed with the driven gear.
6. The logistics robot with a walking speed reducer of claim 5, wherein a placement plate is arranged on the top of the vehicle body, a pressure sensor is arranged between the placement plate and the vehicle body, and when the pressure detected by the pressure sensor is higher than a preset value, the electric pole is extended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512493.9A CN112722115B (en) | 2020-12-19 | 2020-12-19 | Logistics robot with walking speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512493.9A CN112722115B (en) | 2020-12-19 | 2020-12-19 | Logistics robot with walking speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112722115A CN112722115A (en) | 2021-04-30 |
| CN112722115B true CN112722115B (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512493.9A Active CN112722115B (en) | 2020-12-19 | 2020-12-19 | Logistics robot with walking speed reducer |
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| CN (1) | CN112722115B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2769636B2 (en) * | 1989-12-16 | 1998-06-25 | 株式会社スター精機 | Driverless car |
| CN103569230A (en) * | 2012-07-25 | 2014-02-12 | 成都联腾动力控制技术有限公司 | Omni-directionally moving platform |
| CN107035822A (en) * | 2017-06-02 | 2017-08-11 | 肇庆学院 | A kind of automatically controlled gearshift of electric car |
| CN107953940A (en) * | 2017-11-13 | 2018-04-24 | 浙江仑迈智能科技有限公司 | A kind of storage Omni-mobile platform with center of gravity monitoring function |
| CN109899465A (en) * | 2017-12-08 | 2019-06-18 | 西安佳纳环保科技有限公司 | A kind of two speed variators of quick variable block |
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2020
- 2020-12-19 CN CN202011512493.9A patent/CN112722115B/en active Active
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| CN112722115A (en) | 2021-04-30 |
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