CN218967014U - Chassis mechanism and distribution robot - Google Patents

Chassis mechanism and distribution robot Download PDF

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Publication number
CN218967014U
CN218967014U CN202223364070.4U CN202223364070U CN218967014U CN 218967014 U CN218967014 U CN 218967014U CN 202223364070 U CN202223364070 U CN 202223364070U CN 218967014 U CN218967014 U CN 218967014U
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CN
China
Prior art keywords
base
nitrogen
damper
chassis mechanism
universal wheel
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Active
Application number
CN202223364070.4U
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Chinese (zh)
Inventor
蔡松坡
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Hive Box Network Technology Ltd
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Hive Box Network Technology Ltd
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Filing date
Publication date
Application filed by Hive Box Network Technology Ltd filed Critical Hive Box Network Technology Ltd
Priority to CN202223364070.4U priority Critical patent/CN218967014U/en
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Publication of CN218967014U publication Critical patent/CN218967014U/en
Priority to PCT/CN2023/128028 priority patent/WO2024125121A1/en
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Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/10—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type pneumatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manipulator (AREA)

Abstract

The utility model belongs to the technical field of logistics transportation, and particularly relates to a chassis mechanism and a distribution robot. The chassis mechanism comprises a base, a first universal wheel, a second universal wheel, a nitrogen damper, a swing arm, a bracket and a driving wheel; the first universal wheel, the second universal wheel and the bracket are all arranged on the base; one end of the nitrogen damper is arranged on the base, the other end of the nitrogen damper is arranged on the swing arm, and the swing arm is rotatably connected to the bracket; the driving wheel is installed on the swing arm, and the driving wheel is located between the first universal wheel and the second universal wheel. In the utility model, the pressure of the nitrogen damper on the swing arm and the driving wheel is basically constant, so that the ascending and descending capability of the chassis mechanism is improved.

Description

Chassis mechanism and distribution robot
Technical Field
The utility model belongs to the technical field of logistics transportation, and particularly relates to a chassis mechanism and a distribution robot.
Background
With the continuous development of the express industry, more and more express delivery robots are applied to markets; automated delivery of special couriers at the last kilometer is becoming scaled up. In addition, there is also an increasing number of catering industries that use meal loosening robots to automatically deliver meals.
In the prior art, the chassis structure of the unmanned trolley is shown in fig. 5, two first universal wheels are arranged at the front part of the chassis, two second universal wheels are arranged at the rear part of the chassis, two driving wheels are arranged at the rear part of the chassis, and the two driving wheels are arranged on the chassis through a spring damper. However, when the unmanned vehicle passes through the uphill section, the first universal wheel and the second universal wheel are in contact with the ground, the universal wheels are in a suspended state, and the damping spring is required to press the driving wheel, but in an extended state, the damping spring provides lower pressing force to the driving wheel, so that the friction force between the driving wheel and the ground is also smaller, and the unmanned vehicle is difficult to pass through the uphill section. When the unmanned trolley passes through the downhill section, the friction force between the driving wheel and the ground is not required to be too large, but the downhill ground contacts with and upwards compresses the damping spring, the larger the compression amount of the damping spring is, the larger the downward pressure on the driving wheel is, so that the larger friction force exists between the driving wheel and the ground on the downhill section, and the unmanned trolley is difficult to pass through the downhill section.
Disclosure of Invention
The utility model provides a chassis mechanism and a distribution robot, aiming at the technical problem that an unmanned trolley is difficult to cross an uphill section and a downhill section in the prior art.
In view of the above technical problems, an embodiment of the present utility model provides a chassis mechanism, including a base, a first universal wheel, a second universal wheel, a nitrogen damper, a swing arm, a bracket, and a driving wheel; the first universal wheel, the second universal wheel and the bracket are all arranged on the base; one end of the nitrogen damper is arranged on the base, the other end of the nitrogen damper is arranged on the swing arm, and the swing arm is rotatably connected to the bracket; the driving wheel is installed on the swing arm, and the driving wheel is located between the first universal wheel and the second universal wheel.
Optionally, the chassis mechanism further comprises a tripod installed on the base, and one end, far away from the swing arm, of the nitrogen damper is rotatably connected to the tripod.
Optionally, the chassis mechanism further comprises a first non-nitrogen damper and a second non-nitrogen damper, the first universal wheel is mounted on the base through the first non-nitrogen damper, and the second universal wheel is mounted on the base through the second non-nitrogen damper.
Optionally, the chassis mechanism further comprises a bumper strip mounted on the outer wall of the base.
Optionally, an accommodating space is formed between the anti-collision strip and the outer wall of the base, and the chassis mechanism further comprises an scram sensor installed in the accommodating space; the scram sensor is used for controlling the driving wheel to stop rotating when the anti-collision strip is impacted.
Optionally, the chassis mechanism further comprises a driver and a fan, the driving piece is installed on the swing arm, and the output end of the driving piece is connected with the driving wheel; the driver and the fan are both arranged on the base, the driver is electrically connected with the driving wheel, and the fan is used for radiating heat for the driver.
Optionally, the chassis mechanism further comprises a radar and an ultrasonic sensor mounted on the base, both for detecting the environment surrounding the base.
Optionally, the chassis mechanism further comprises a fall-prevention sensor mounted at the bottom of the base, and the fall-prevention sensor is used for controlling the driving wheel to stop rotating when an obstacle is detected.
Optionally, the chassis mechanism further comprises a controller and a battery mounted on the base, and the battery and the driving wheel are electrically connected with the controller.
The utility model also provides a dispensing robot, which comprises a chassis and the chassis mechanism, wherein the chassis is arranged on the base.
In this embodiment, one end of the nitrogen damper is mounted on the base, the other end of the nitrogen damper is mounted on the swing arm, and the swing arm is rotatably connected to the bracket; the driving wheel is arranged on the swing arm and is positioned between the first universal wheel and the second universal wheel; since the pressure of the nitrogen damper against the swing arm is constant, the pressure of the nitrogen damper against the swing arm and the driving wheel is substantially constant over the range of travel of the nitrogen damper; when the chassis mechanism is positioned on an uphill section, the nitrogen shock absorber enables the driving wheel to cling to the ground, so that friction between the driving wheel and an uphill road surface is increased, and the uphill capacity of the chassis mechanism is improved. When the chassis mechanism is positioned on a downhill section, the driving wheel does not further compress the nitrogen shock absorber, so that the pressure between the driving wheel and the downhill road surface is not further increased, the friction between the driving wheel and the downhill road surface is reduced, and the downhill capacity of the chassis mechanism is improved.
In addition, the volume of the nitrogen damper is smaller, and an energy accumulator is not required to be installed, so that the occupied space of the nitrogen damper on the base is reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a chassis mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a portion of a chassis mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a chassis mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a dispensing robot according to an embodiment of the present utility model;
fig. 5 is a schematic view of an unmanned vehicle of the prior art when ascending and descending a slope.
Reference numerals in the specification are as follows:
1. a base; 2. a first universal wheel; 3. a second universal wheel; 4. a nitrogen damper; 5. swing arms; 6. a bracket; 7. a driving wheel; 8. a tripod; 9. a first non-nitrogen damper; 101. a second non-nitrogen damper; 102. a bumper strip; 104. a driver; 105. a fan; 106. a radar; 107. an ultrasonic sensor; 108. a fall-off prevention sensor; 109. a controller; 10. a chassis mechanism; 20. and a case.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 3, an embodiment of the present utility model provides a chassis mechanism 10, which includes a base 1, a first universal wheel 2, a second universal wheel 3, a nitrogen damper 4, a swing arm 5, a bracket 6, and a driving wheel 7; the first universal wheel 2, the second universal wheel 3 and the bracket 6 are all arranged on the base 1; one end of the nitrogen damper 4 is arranged on the base 1, the other end of the nitrogen damper 4 is arranged on the swing arm 5, and the swing arm 5 is rotatably connected to the bracket 6; the driving wheel 7 is mounted on the swing arm 5, and the driving wheel 7 is located between the first universal wheel 2 and the second universal wheel 3. It is to be understood that the first universal wheel 2, the second universal wheel 3, the driving wheel 7, the nitrogen damper 4, the swing arm 5 and the bracket 6 are provided with two, two first universal wheels 2 are respectively connected on the left and right sides of the front end of the base 1 in a rotating way, two second universal wheels 3 are respectively connected on the left and right sides of the rear end of the base 1 in a rotating way, and two driving wheels 7 are respectively positioned on the left and right sides of the middle part of the base 1.
In this embodiment, one end of the nitrogen damper 4 is mounted on the base 1, the other end of the nitrogen damper 4 is mounted on the swing arm 5, and the swing arm 5 is rotatably connected to the bracket 6; the driving wheel 7 is mounted on the swing arm 5, and the driving wheel 7 is positioned between the first universal wheel 2 and the second universal wheel 3; since the pressure of the nitrogen damper 4 against the swing arm 5 is constant, the pressure of the nitrogen damper 4 against the swing arm 5 and the driving wheel 7 is substantially constant in the range of travel of the nitrogen damper 4; when the chassis mechanism 10 is located on an uphill road, the nitrogen damper 4 will make the driving wheel 7 cling to the ground, thereby increasing the friction between the driving wheel 7 and the uphill road, and further improving the uphill capability of the chassis mechanism 10. When the chassis mechanism 10 is located on a downhill road, the driving wheel 7 does not further compress the nitrogen damper 4, so that the pressure between the driving wheel 7 and the downhill road will not further increase, the friction between the driving wheel 7 and the downhill road is reduced, and the downhill capability of the chassis mechanism 10 is improved.
In addition, the volume of the nitrogen damper 4 is small, and an energy accumulator is not required to be installed, so that the occupied space of the nitrogen damper 4 on the base 1 is reduced.
In one embodiment, as shown in fig. 2, the chassis mechanism 10 further includes a tripod 8 mounted on the base 1, and the end of the nitrogen damper 4 remote from the swing arm 5 is rotatably connected to the tripod 8. It will be appreciated that the tripod 8 is a right angle tripod, and the tripod 8 is mounted above the base 1, so that the end of the nitrogen damper 4 remote from the swing arm 5 can pass through the base 1 and extend upward a long distance to connect with the tripod 8, thereby improving the compactness of the chassis mechanism 10.
Specifically, be equipped with the mounting groove on the tripod 8, be equipped with first mounting hole on the inner wall of mounting groove, nitrogen gas bumper shock absorber 4 keeps away from swing arm 5's one end is equipped with the second mounting hole, nitrogen gas bumper shock absorber 4 is through inserting first mounting hole with the locating pin rotation of second mounting hole is connected on the tripod 8.
In one embodiment, as shown in fig. 2, the chassis mechanism 10 further includes a first non-nitrogen damper 9 and a second non-nitrogen damper 101, the first universal wheel 2 is mounted on the base 1 through the first non-nitrogen damper 9, and the second universal wheel 3 is mounted on the base 1 through the second non-nitrogen damper 101. It will be appreciated that the first non-nitrogen damper 9 and the second non-nitrogen damper 101 each include, but are not limited to, a spring damper, etc., the first universal wheel 2 is rotatably connected to the base 1 through the first non-nitrogen damper 9, the second universal wheel 3 is rotatably connected to the base 1 through the second non-nitrogen damper 101, and the first universal wheel 2 and the second universal wheel 3 can both extend and retract up and down on the base 1, so as to further improve the ability of the chassis mechanism 10 to overcome obstacles such as pits, protrusions, etc.
In one embodiment, as shown in fig. 1, the chassis mechanism 10 further includes a bumper strip 102 mounted to the outer wall of the base 1. It should be appreciated that the bumper strip 102 may be made of a material such as silica gel, and the bumper strip 102 is mounted on the outer walls of the periphery of the base 1. When the chassis mechanism 10 collides with an external object during moving, the bumper strip 102 can play a role of buffering, so that the accident of crashing the base 1 and the components on the upper part thereof is avoided, and the service life of the chassis mechanism 10 is prolonged.
In one embodiment, as shown in fig. 1, a receiving space (not shown) is formed between the bumper strip 102 and the outer wall of the base 1, and the chassis mechanism 10 further includes a scram sensor (not shown) installed in the receiving space; the scram sensor is used for controlling the driving wheel 7 to stop rotating when the bumper strip 102 is impacted. It will be appreciated that the scram sensor includes, but is not limited to, a touch sensor and is located between the bumper strip 102 and the outer wall of the base 1, thereby avoiding damage to the scram sensor from the external environment and extending the useful life of the scram sensor. Specifically, when the bumper bar 102 collides with an external object during the movement of the chassis mechanism 10, the bumper bar 102 will trigger the scram sensor, and the scram sensor will send a scram signal to the controller 109, and the controller 109 will control the driving wheel 7 to stop rotating, thereby ensuring that the chassis mechanism 10 will still continue to maintain damage caused by the movement when the chassis mechanism 1 collides with an external object, and further improving the safety of the chassis mechanism 10.
In an embodiment, as shown in fig. 2 and 3, the chassis mechanism 10 further includes a driver 104 and a fan 105, where the driver 104 and the fan 105 are both mounted on the base 1, and the driver 104 is electrically connected to the driving wheel 7, and the fan 105 is used for dissipating heat from the driver 104. It may be appreciated that the driving wheel 7 is integrated with a hub motor, the driver 14 is electrically connected with the hub motor, the driver 104 may control the rotation speed, start-stop, rotation direction, etc. of the driving wheel 7, and the fan 105 may not only cool the driver 104, but also cool other heat-generating electrical devices on the base 1.
In one embodiment, as shown in fig. 1, the chassis mechanism 10 further includes a radar 106 and an ultrasonic sensor 107 mounted on the base 1, and the radar 106 and the ultrasonic sensor 107 are each configured to detect an environment surrounding the base 1. As can be appreciated, the radar 106 can scan the environment around the base 1 and identify whether there are obstacles around the base 1; the ultrasonic sensor 107 may detect a blind area that is not scanned by the radar 106, and the ultrasonic sensor 107 may detect a transparent object that is not scanned by the radar 106. In this embodiment, the radar 106 and the ultrasonic sensor 107 are designed so that the chassis mechanism 10 can automatically recognize the surrounding environment thereof, and thus the chassis mechanism 10 can realize automatic driving.
In one embodiment, as shown in fig. 4, the chassis mechanism 10 further includes a fall sensor 108 mounted on the bottom of the base 1, and the fall sensor 108 is used to control the driving wheel 7 to stop rotating when an obstacle is detected. It will be appreciated that the fall sensor 108 includes, but is not limited to, a camera, a laser sensor, and the fall sensor 108 can detect an obstacle such as a foreign object, a pit, a protrusion, etc. on the ground, and when the controller 109 recognizes that the chassis mechanism 10 cannot pass over the obstacle, the controller 109 controls the driving wheel 7 to stop rotating, so that the falling accident of the chassis mechanism 10 is avoided.
In one embodiment, as shown in fig. 1 and 2, the chassis mechanism 10 further includes a controller 109 mounted on the base 1 and a battery (not shown in the drawings), and the battery and the driving wheel 7 are electrically connected to the controller 109. It will be appreciated that the controller 109 is also electrically connected to the scram sensor, the driver 104, the fan 105, the radar 106, the ultrasonic sensor 107, and the fall arrest sensor 108; the fan 105, the controller 109 and the battery are all installed inside the base 1, the radar 106, the ultrasonic sensor 107 and the anti-drop sensor 108 are all installed outside the base 1, and in this embodiment, most parts of the dispensing robot are integrated on the base 1, so that the stability of the chassis mechanism 10 is ensured.
As shown in fig. 4, another embodiment of the present utility model further provides a dispensing robot including a chassis 20 and the chassis mechanism 10 described above, where the chassis 20 is mounted on the base 1. It can be appreciated that a storage space for storing articles such as express, package, dinner plate and the like may be provided in the case 20, and the chassis mechanism 10 may drive the case 20 to move.
The embodiments of the chassis mechanism and the dispensing robot of the present utility model are merely examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The chassis mechanism is characterized by comprising a base, a first universal wheel, a second universal wheel, a nitrogen damper, a swing arm, a bracket and a driving wheel; the first universal wheel, the second universal wheel and the bracket are all arranged on the base; one end of the nitrogen damper is arranged on the base, the other end of the nitrogen damper is arranged on the swing arm, and the swing arm is rotatably connected to the bracket; the driving wheel is installed on the swing arm, and the driving wheel is located between the first universal wheel and the second universal wheel.
2. The chassis mechanism of claim 1, further comprising a tripod mounted on the base, wherein an end of the nitrogen damper remote from the swing arm is rotatably coupled to the tripod.
3. The chassis mechanism of claim 1, further comprising a first non-nitrogen damper and a second non-nitrogen damper, wherein the first universal wheel is mounted on the base by the first non-nitrogen damper and the second universal wheel is mounted on the base by the second non-nitrogen damper.
4. The chassis mechanism of claim 1, further comprising a bumper strip mounted to the base outer wall.
5. The chassis mechanism of claim 4, wherein a receiving space is formed between the bumper strip and an outer wall of the base, the chassis mechanism further comprising a scram sensor mounted in the receiving space; the scram sensor is used for controlling the driving wheel to stop rotating when the collision avoidance bar collides.
6. The chassis mechanism of claim 1, further comprising a driver and a fan, both mounted on the base and electrically connected to the drive wheel, the fan for dissipating heat from the driver.
7. The chassis mechanism of claim 1, further comprising radar and ultrasonic sensors mounted on the base, the radar and ultrasonic sensors each configured to detect an environment surrounding the base.
8. The chassis mechanism of claim 1, further comprising a fall sensor mounted to a bottom of the base for controlling the drive wheel to stop rotating when an obstacle is detected.
9. The chassis mechanism of claim 1, further comprising a controller mounted on the base and a battery, the battery and the drive wheel each being electrically connected to the controller.
10. A dispensing robot comprising a chassis and a chassis mechanism according to any one of claims 1 to 9, the chassis being mounted on the base.
CN202223364070.4U 2022-12-13 2022-12-13 Chassis mechanism and distribution robot Active CN218967014U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202223364070.4U CN218967014U (en) 2022-12-13 2022-12-13 Chassis mechanism and distribution robot
PCT/CN2023/128028 WO2024125121A1 (en) 2022-12-13 2023-10-31 Chassis mechanism and delivery robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223364070.4U CN218967014U (en) 2022-12-13 2022-12-13 Chassis mechanism and distribution robot

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Publication Number Publication Date
CN218967014U true CN218967014U (en) 2023-05-05

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CN (1) CN218967014U (en)
WO (1) WO2024125121A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024125121A1 (en) * 2022-12-13 2024-06-20 丰巢网络技术有限公司 Chassis mechanism and delivery robot

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CN118456376A (en) * 2024-07-12 2024-08-09 西南科技大学 Rigid-flexible cooperative vehicle-mounted super-redundant robot

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CN110340863B (en) * 2018-04-08 2023-02-17 AIrobot株式会社 Autonomous mobile transfer robot
CN111907280A (en) * 2020-08-30 2020-11-10 深圳市普渡科技有限公司 Chassis with reversing transmission suspension and robot
CN213973487U (en) * 2020-08-30 2021-08-17 深圳市普渡科技有限公司 Chassis of independent swing arm type suspension and robot
CN215149032U (en) * 2021-01-29 2021-12-14 深圳市普渡科技有限公司 Suspension system and robot
CN115195372A (en) * 2022-07-28 2022-10-18 杭州申昊科技股份有限公司 Wheeled chassis with strong trafficability characteristic and robot thereof
CN218967014U (en) * 2022-12-13 2023-05-05 丰巢网络技术有限公司 Chassis mechanism and distribution robot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024125121A1 (en) * 2022-12-13 2024-06-20 丰巢网络技术有限公司 Chassis mechanism and delivery robot

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