WO2017215624A1 - 机器人 - Google Patents
机器人 Download PDFInfo
- Publication number
- WO2017215624A1 WO2017215624A1 PCT/CN2017/088397 CN2017088397W WO2017215624A1 WO 2017215624 A1 WO2017215624 A1 WO 2017215624A1 CN 2017088397 W CN2017088397 W CN 2017088397W WO 2017215624 A1 WO2017215624 A1 WO 2017215624A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protective cover
- robot according
- turntable
- disposed
- robot
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims description 218
- 230000000903 blocking effect Effects 0.000 claims description 42
- 239000004020 conductor Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 14
- 230000001960 triggered effect Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0227—Control of position or course in two dimensions specially adapted to land vehicles using mechanical sensing means, e.g. for sensing treated area
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/006—Control or measuring arrangements
- A01D34/008—Control or measuring arrangements for automated or remotely controlled operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0304—Asymmetric patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
Definitions
- the present invention relates to a robot.
- a mowing robot is provided with a turntable on which an instrument for positioning such as a laser range finder is mounted.
- an instrument for positioning such as a laser range finder is mounted.
- the above-mentioned turntable easily collides with the suspended obstacle.
- the mowing robot does not immediately take evasive measures, it will directly affect the working performance of the positioning instrument on the turntable, resulting in inaccurate positioning, and may even damage the positioning device due to the collision, thereby causing the mowing robot to malfunction.
- an embodiment of the present invention provides a robot, the robot includes a working mechanism, a chassis, and a traveling mechanism disposed on the chassis, and is disposed on the chassis to cover the a top cover of the working mechanism, the upper cover is provided with a turntable, and the turntable is provided with an electronic component and a protective cover disposed on the periphery of the electronic component, and the protective cover is movably disposed on the turntable A sensor for sensing the movement of the protective cover is provided on the turntable.
- a first elastic member is disposed between the protective cover and the turntable.
- the first elastic member is a spring
- the protective cover is provided with a stud
- the turntable is provided with a boss
- the spring is sleeved on the protruding post and the boss Peripheral, when the spring is in a free state, the protrusion has a certain distance from the boss.
- the senor is provided in plural, and the sensor is distributed around the protective cover [0009] Further, the sensor is a Hall sensor, and the Hall sensor includes a first sensing portion and a second sensing portion spaced apart from the first sensing portion, and the protective cover has an edge portion. The edge portion is accommodated in a space between the first sensing portion and the second sensing portion.
- the electronic component includes a laser range finder.
- the material of the protective cover can be penetrated by the laser range finder or the incident laser light.
- the protective cover is provided with a through hole through which the laser of the laser range finder is emitted or incident.
- the working mechanism is a cutting mechanism for mowing.
- the turntable is provided with a boss
- the robot further includes a first connecting member, one end of the first connecting member is fastened to the boss, and the other end is movable with the protective cover
- the first elastic member is a spring, and one end of the spring is sleeved on the boss, and the other end of the spring is in conflict with the protective cover.
- the first connecting member includes a rod portion and a head portion
- the protective cover has a concave portion and a through hole communicating with the concave portion
- the protruding portion has a hollow portion
- the rod portion passes through the The through hole is screwed to the hollow portion, and the head portion is restricted to the recess.
- the contact surface of the head and the concave portion is curved.
- the turntable is provided with a boss
- the robot includes a second connecting member, one end of the second connecting member is fastened to the boss, and the other end is movably connected to the protective cover.
- the protective cover is movably disposed on the turntable in a horizontal direction.
- the second connecting member includes a threaded rod portion, a head portion and a step portion between the rod portion and the head portion
- the robot further includes a reduction fixed on the boss a gasket having a through hole, the boss having a hollow portion, the rod portion being threadedly connected to the hollow portion through the through hole such that the protective cover is restricted in the vertical direction to the On the boss, a space between the head and the friction reducing pad is allowed to allow the protective cover to move in a horizontal direction.
- the protective cover is provided with a groove for accommodating the second connecting member and a waterproof cover for closing the groove.
- the turntable is further provided with a reset component for resetting the protective cover after displacement occurs.
- the reset component includes a fixing bracket, and the fixing bracket is disposed on the turntable and located Inside the protective cover, the fixing bracket includes a plurality of arms extending in the direction of the protective cover, and one end of the arm is provided with a soft component abutting against the protective cover.
- the flexible component comprises a spring and a spring sleeve, the spring portion is sleeved at an end of the arm, and the spring sleeve is disposed outside the spring.
- the flexible component comprises a spring and a rubber head, and one end of the spring is sleeved on an end of the arm, and the other end is fixedly connected to the rubber head.
- the fixing bracket comprises a lower bracket and an upper bracket above the lower bracket, and the upper bracket and the lower bracket respectively comprise a plurality of arms.
- the fixing bracket further includes a bracket, and the bracket surface is formed with a plurality of convex portions for supporting the protective cover.
- the inner wall of the protective cover has a limiting slot, and an end of the arm adjacent to the protective cover abuts in the limiting slot.
- the senor is a photoelectric sensor, and an edge portion of the protective cover is located between a beam emitting end of the photoelectric sensor and the beam receiving end.
- the senor is close to the switch, and the edge of the protective cover is provided with a magnetic sensation material.
- an edge portion of the protective cover is provided with a groove, and a magnetic induction ring made of the magnetic material is disposed in the groove.
- the senor is a micro-switch, and when the protective cover is displaced by a collision, the micro-switch is triggered.
- the senor is a contact type switch
- the contact type switch includes a first conductor disposed on the turntable and a second conductor disposed on the protective cover, when the protective cover A displacement is generated by the collision, and the first conductor and the second conductor are in contact with each other.
- a protection device is disposed between the protective cover and the micro-switch.
- the micro-actuator is located below the edge portion of the protective cover, and the shut-off protection device is a second elastic member.
- the micro-switch is located inside the protective cover, and the protection device is disposed between the inner side wall of the protective cover and the micro-switch, the protection The device includes a third elastic member disposed on the micro-actuator and a shut-off protection ring disposed on the third elastic member.
- the turntable is further provided with a blocking member disposed around the periphery of the electronic component, the blocking member is located in the protective cover, and the protective cover is moved to be blocked by the external force The piece triggers the micro-motion when it abuts or abuts.
- the protective cover includes a top portion, a body portion, a smooth transition portion between the top portion and the body portion, a waterproof portion protruding outward from the body portion, and the body portion A trigger portion formed extending away from the top.
- the triggering portion, the blocking member, and the waterproof portion are disposed on the outer side of the micro-motion switch from the inside to the outside, and the protective cover is moved by an external force to trigger the micro-motion switch.
- the trigger portion abuts on the micro-motion switch
- the waterproof portion abuts on the blocking member or is located outside the blocking member.
- the turntable is further provided with a blocking member disposed around a periphery of the electronic component, the blocking member is located in the protective cover, and the protective cover is moved to and blocked by an external force
- the contact triggers the contact or the front to trigger the contact.
- the protective cover includes a top portion, a body portion, a smooth transition portion between the top portion and the body portion, a waterproof portion protruding outward from the body portion, and the body portion A trigger portion formed extending away from the top.
- the first conductor is disposed on an inner sidewall of the blocking member, and the second conductor is disposed on an outer sidewall of the trigger portion.
- the first conductor and the second conductor are one of a copper wire, a copper piece, an aluminum wire, an aluminum piece, and an iron piece.
- the protective cover includes a top portion, a body portion, and a smooth transition portion between the top portion and the body portion.
- the smooth transition portion has an angle with the top portion.
- the included angle is 45 degrees.
- the protective cover is provided with a waterproof mechanism for preventing water from entering the inside of the turntable.
- the waterproof mechanism includes a skirt disposed above the turntable.
- the waterproof mechanism includes a water retaining flange extending upward from an outer sidewall of the turntable.
- the waterproof mechanism further includes a skirt disposed above the water retaining flange, the orthographic projection of the outer edge of the skirt on the horizontal surface completely covering the outer portion of the water retaining flange An orthographic projection on the horizontal plane.
- the skirt includes a skirt body portion extending outward in a horizontal direction and a water guiding portion extending downward from the skirt body portion, wherein the water guiding portion is located at the water retaining convex portion The outer side of the edge.
- a plurality of drainage holes are disposed on the turntable.
- the turntable has at least one section of a downwardly extending slope, and the drain hole is disposed on the slope.
- a blocking member disposed around a periphery of the electronic component is further disposed on the slope surface of the turntable, and the blocking component is located in the protective cover, and the protective cover is moved to and under the action of an external force The blocking member triggers the sensor against or against the front.
- the drainage holes are evenly distributed on a slope surface near the inner side of the blocking member.
- the beneficial effects of the present invention are: by movably setting a force-removable protective cover and a sensor for sensing the protective cover activity on the periphery of the robot turntable electronic component, so that the robot After the collision occurs on the turntable, the force of the protective cover is displaced to cause the sensor to be sensitively and reliably triggered, so that the control unit of the robot controls the traveling mechanism to change the route to avoid collision again to protect the electronic components in the protective cover of the turntable.
- FIG. 1 is a perspective view of a robot according to Embodiment 1 of the present invention.
- FIG. 2 is a partial exploded view of a turntable and a protective cover in the robot according to Embodiment 1 of the present invention
- FIG. 4 is a cross-sectional view of a turntable and a protective cover in the robot according to Embodiment 1 of the present invention
- FIG. 5 is a cross-sectional view of a turntable and a protective cover in the robot of Embodiment 2 of the present invention.
- Figure 6 is a partial enlarged view of A of Figure 5;
- Figure 7 is a schematic view of Figure 6 not including the first connector
- FIG. 8 is a partial exploded view of a turntable and a protective cover in the robot of Embodiment 2 of the present invention.
- FIG. 9 is a partial enlarged view of B of FIG. 5.
- 10 is a cross-sectional view of a turntable and a protective cover in the robot according to Embodiment 3 of the present invention
- 11 is a partial exploded view of a protective cover in a robot according to Embodiment 3 of the present invention
- FIG. 12 is a cross-sectional view of a turntable and a protective cover in the robot of Embodiment 4 of the present invention.
- FIG. 13 is a partially exploded view of the turntable and the protective cover in the robot of Embodiment 4 of the present invention.
- FIG. 14 is a front elevational view showing a turntable and a protective cover in the robot according to Embodiment 5 of the present invention.
- FIG. 16 is a cross-sectional view of a turntable and a protective cover in a robot according to Embodiment 5 of the present invention.
- FIG. 17 is a partially enlarged schematic view of C of FIG. 16;
- FIG. 19 is a schematic diagram of a turntable in a robot according to Embodiment 6 of the present invention.
- FIG. 20 is a cross-sectional view of the turntable of FIG. 19.
- the present invention discloses a robot including a working mechanism (not shown), a chassis 10, a running mechanism 12 disposed on the chassis 10, and a chassis 10
- the upper cover 14 is covered with a working mechanism, wherein the upper cover 14 is rotatably provided with a turntable 16, and the turntable 16 is provided with an electronic component 18 and a cover disposed on the periphery of the electronic component 18 for protecting the electronic component 18.
- Cover 20 The protective cover 20 is movably disposed on the turntable 16, and the turntable 16 is provided with a sensor for sensing the movement of the protective cover 20.
- the protective cover 20 has at least two states of a free state and a force-displaced state.
- the sensor When the protective cover 20 is under a force-displacement state, the sensor sends a control signal for controlling the traveling mechanism 12 to the control unit of the robot, so that the robot can be turned on the turntable.
- the collision ⁇ and ⁇ change the travel path of the traveling mechanism 12 to avoid damage to the electronic component 18 in the protective cover 20 caused by the collision again.
- the protective cover 20 by providing a protective cover 20 and a sensor for sensing the movement of the protective cover on the periphery of the electronic component 18, when the robot collides on the turntable 16, the protective cover 20 is moved, and the sensor can acquire the situation. Take evasive measures.
- the sensor is provided as a displacement sensor. When the robot passes the obstacle, the protective cover 20 provided on the turntable 16 is subjected to collision, and the protective cover 20 is moved relative to the turntable 16, so that the protective cover 20 is displaced relative to the turntable 16, and the sensor outputs an inductive signal, and the robot can take Circumvention measures
- the traveling mechanism 12 includes four traveling wheels 24, of which four traveling wheels 24 are rotatably provided to the chassis 10. And the four walking wheels 24 are symmetrically arranged.
- the protective cover 20 and the turntable 16 are flexibly connected so that the protective cover 20 can be displaced after being subjected to a collision.
- a first elastic member 26 is disposed between the protective cover 20 and the turntable 16 to realize a flexible connection between the protective cover 20 and the turntable 16.
- the first elastic member 26 may not be used as long as the components used can achieve a flexible connection between the protective cover 20 and the turntable 16.
- the first elastic member 26 is a spring
- the protective cover 20 is provided with a stud 28.
- the turntable 16 is provided with a boss 30.
- the spring is sleeved on the periphery of the stud 28 and the boss 30. In the free state, there is a certain distance between the studs 28 and the bosses 30.
- the protective cover 20 of the robot is subjected to an impact ⁇ , the protective cover 20 is displaced relative to the turntable 16, and the spring is twisted.
- the spring has a first end that is in contact with the root of the post 28 and a second end that is in contact with the root of the boss 30.
- the first end can be fixedly coupled to the root of the post 28 or to the post 28 The root activity is abutted.
- the second end can be fixedly coupled to the root of the boss 30 or can be movably abutted against the root of the boss 30.
- the senor may be provided in plural and the sensors are distributed around the protective cover 20.
- the protective cover 20 can obtain the detection signal regardless of the collision from which direction.
- the orientation of the obstacle can be obtained, so that the robot can take evasive measures.
- the sensors are evenly distributed around the protective cover 20.
- the sensors are arranged in four and evenly distributed around the protective cover 20.
- the sensor may be a Hall sensor 22, and the Hall sensor 22 includes a first sensing portion 32 and a second sensing portion 34 spaced apart from the first sensing portion 32.
- the protective cover 20 has an edge portion 42 and the edge portion 42 accommodates In the spacing between the first sensing portion 32 and the second sensing portion 34.
- the Hall sensor 22 when the protective cover 20 is subjected to a collision, the edge portion 42 of the protective cover 20 is swung out from the space between the first sensing portion 32 and the second sensing portion 34, and the Hall sensor 22 outputs an induced signal to the control.
- the unit makes the robot simple in structure and better in detection.
- the Hall sensor 22 is fixedly coupled to the turntable 16 by two bolts 36. Of course, the Hall sensor 22 can also be connected to the turntable 16 by other connection means.
- the protective cover 20 includes a top portion 38, a hollow body portion 40 disposed at an angle to the top portion 38, wherein the edge portion
- the top portion 38 is at an angle of 90 to the body portion 40, and the top portion 38
- the body portion 40 and the edge portion 42 are integrally provided.
- the studs 28 are disposed on the top portion 38, and the studs 28 are located in the hollow of the body portion 40, and the studs 28 are perpendicular to the top portion 38.
- the electronic component 18 is for detecting the balance of the robot, or for detecting the distance of the robot from a target such as an obstacle or a charging station, or for detecting the coordinate position of the robot or the like.
- electronic component 18 includes a laser range finder 18.
- electronic component 18 can also be configured to include ultrasonic or other types of electronic components 18.
- the protective cover 20 is provided with a through hole through which the laser light from the laser range finder 18 is incident or incident.
- the material of the protective cover 20 can also be set to be able to be transmitted by the laser range finder 18 or incident laser light. Thus, it is not necessary to provide a through hole for the laser to pass through the protective cover 20.
- the robot is a mowing robot, and specifically, the working mechanism is a cutting mechanism (not shown) for mowing.
- the cutting mechanism includes a cutting blade or a grass line.
- the robot can also be other types of robots such as a sweeping robot.
- the working mechanism is provided on the chassis 10 or the upper cover 14.
- the robot turret 16 is provided with a boss 30.
- the robot further includes a first connecting member 51.
- the first connecting member 51-end is fastened to the boss 30, and the other One end is movably connected to the protective cover 20, and the first elastic member 26 may be a spring.
- One end of the spring is sleeved on the boss 30, and the other end abuts against the protective cover 20.
- the first connecting member 51 includes a rod portion 512 and a head portion 511.
- the protective cover 20 has a recess 201 and a through hole 202 communicating with the recess 201.
- the boss 30 has a hollow portion 301, The rod portion 512 is screwed to the hollow portion 301 through the through hole 202, and the head portion 511 is restricted to the recess portion 201.
- a contact surface of the head portion 511 and the concave portion 201 is curved.
- the spring is connected between the protective cover 20 and the boss 30, the head 511 of the first connecting member 51 is confined to the recess 201, and at the spring The pre-tightening force is in contact with the concave portion 301. Since the contact surface of the head portion 511 and the concave portion 201 is curved, the head portion 511 and the concave portion 201 A considerable slip is easily generated between the protective cover 20 around the head 511 under impact, and a sensor distributed around the protective cover 20 can accurately sense the displacement of the protective cover 20.
- the turntable 16 is further provided with a resetting member for resetting the protective cover 20 after displacement.
- the resetting assembly includes a fixing bracket 60 disposed on the turntable 16 and located inside the protective cover 20, and the fixing bracket 60 includes a plurality of extending toward the protective cover 20
- the arm 61 preferably, the fixing bracket 60 includes four or eight arms 61 extending in the direction of the protective cover 20. Each of the arms 61 is provided with a soft component that abuts against the protective cover 20.
- the flexible component includes a spring 62 and a spring sleeve 63. The spring 62 is partially sleeved at an end of the arm 61, and the spring sleeve 63 is sleeved outside the spring 62.
- the fixing bracket 60 further includes a lower bracket 601 and an upper bracket 602 located above the lower bracket 601, and the upper bracket 602 and the lower bracket 601 respectively include a plurality of arms.
- the upper bracket 602 comprises 4 or 8 arms equally spaced circumferentially
- the lower bracket 601 correspondingly comprises 4 or 8 arms equally spaced circumferentially.
- the inner wall of the protective cover 20 has a limiting slot 203, and the end of the arm 61 adjacent to the protective cover 20 abuts against the limiting slot 203.
- the fixing bracket 60 includes a plurality of arms 61 extending toward the protective cover 20
- each of the arms 61 is provided with a soft component near one end of the protective cover 20.
- the protective cover 20 needs to overcome the elastic force of the flexible component to be displaced after being subjected to a collision, and after the applied collision force disappears, the protective cover 20 is returned to the initial position by the restoring force of the flexible component.
- the senor is a photosensor 222, and an edge portion 42 of the protective cover 20 is located at a beam emitting end 2221 and a beam receiving end of the photosensor. Between 2222
- the difference between this embodiment and Embodiment 2 is only that the sensor is close to the switch 223.
- the edge portion 42 of the protective cover 20 is provided with a magnetically sensitive material 421. Further, the edge portion 42 of the protective cover 20 is provided with a groove 422, and the groove 422 is provided with a magnetic coil 4211 made of the magnetic material 421.
- Other parts of this embodiment are the same as those of Embodiment 2, and are not described herein again.
- Example 4 As shown in FIG. 12 and FIG. 13, the difference between this embodiment and the embodiment 2 is only that the sensor is a fine-motion switch 224.
- the fine motion brake 224 is located below the edge portion 42 of the protective cover 20.
- a second elastic member 225 is disposed between the micro-switch 224 and the edge portion 42 of the protective cover 20.
- the second elastic member 225 may be a spring.
- Other parts of this embodiment are the same as those of Embodiment 2, and details are not described herein again.
- the present invention discloses a robot.
- the turntable 16 is provided with an electronic component 18 and a protective cover 20 disposed on the periphery of the electronic component 18.
- the protective cover 20 can be
- the turret 16 is movably disposed on the turret 16 and is provided with a sensor for sensing the movement of the protective cover 20.
- the protective cover 20 of the robot has at least two states of a free state and a force displacement state.
- the sensor When the protective cover 20 is under a force displacement state, the sensor sends a control signal for controlling the running mechanism to the control unit of the robot, so that the robot can The turret collides and ⁇ changes the travel path of the traveling mechanism to avoid damage to the electronic component 18 in the protective cover 20 caused by the collision.
- the turntable 16 is provided with a boss 30, and the second connecting member 52 includes a threaded rod portion 522, a head portion 521, and a seat portion.
- the step portion 523 between the rod portion 522 and the head portion 521 further includes a friction reducing pad 53 disposed in the horizontal direction fixed to the boss 30, and the friction reducing pad 53 can be reduced and protected.
- the protective cover 20 has a through hole 202 having a hollow portion 301 through which the rod portion 522 is screwed to the hollow portion 301 such that the protective cover 20 is vertically oriented. Limited to the boss 30.
- the protective cover 20 is provided with a groove 54 for accommodating the second connecting member 52 and a waterproof cover 55 for closing the groove 54, which prevents rainwater from entering the protective cover 20 and causing malfunction.
- the sensor is a micro-switch 224, the micro-switch 224 is located inside the protective cover 20, and the distance between the micro-switch 224 and the protective cover 20 is smaller than the electronic component 18 and the protective cover The distance between 20.
- the micro-switch 224 is sensitively and reliably triggered, so that the control unit of the robot controls the traveling mechanism to change the route to avoid collision again to protect the electronic component 18.
- a shut-off protection device is disposed between the protective cover 20 and the micro-switch 224.
- the shut-off protection device is disposed between the inner side wall of the protective cover and the micro-motion switch, and the switch protection device includes a third elastic member disposed on the micro-motion switch 224 227 and a shut-off protection ring 226 disposed on the third elastic member 227.
- the third elastic member 227 and the shut-off protection ring 226 can buffer the excessive force to avoid damage to the micro-switch 224, and prolong the service life of the micro-switch 224.
- the turntable 16 is further provided with a blocking member 70 disposed around the periphery of the electronic component 18.
- the blocking member 70 is located in the protective cover 20, and the protective cover 20 is moved to an external force.
- the blocking member 70 triggers the micro-actuation 224 against the cymbal or against the front to prevent the protective cover 20 from being excessively displaced by the external force, thereby damaging the internal micro-switch 224 and the electronic component 18.
- the protective cover 20 includes a top portion 38, a body portion 40, a smooth transition portion 48 between the top portion 38 and the body portion 40, and is formed to protrude outward from the body portion 40.
- the smooth transition portion 48 has an angle of 45 degrees with the top portion, so that the robot walks to collide with the obstacle, and the smooth transition portion 48 having the angle can be sensitively perceived. Forced in the horizontal direction, it is easier to trigger the micro-switch 224.
- the smooth transition portion 48 can also adopt a circular arc or other angles of 30, 40, 50, 60, as long as the transition between the top 38 and the body portion 40 is smooth.
- the triggering portion 46, the blocking member 70, and the waterproof portion 44 are sequentially disposed from the inside to the outside of the micro-motion switch 224, and in the horizontal direction, the trigger portion 46 and the micro-motion
- the distance between the shutoffs 224 is less than the distance between the waterproof portion 44 and the blocking member 70.
- the protection cover 20 is moved by an external force to trigger the micro-motion switch 224, the triggering portion 46 abuts against the micro-motion switch 224, and the waterproof portion 44 abuts against the blocking member 70. It is either on the outside of the blocking member 70.
- the blocking member 70 prevents the protective cover 20 from being subjected to excessive external force. ⁇ Excessive displacement causes damage to the internal micro-switch 224 and the electronic component 18.
- the outer edge of the waterproof portion 44 completely covers the blocking member 70, which prevents rainwater from being poured into the turntable 16 to protect the components from rain.
- the turntable 16 is further provided with a reset component for resetting the protective cover 20 after displacement.
- the resetting assembly includes a fixing bracket 60 disposed on the turntable 16 and located inside the protective cover 20, and the fixing bracket 60 includes a plurality of branches extending toward the protective cover 20
- the arm 61 is provided with a soft component that abuts against the protective cover 20 at the end of the arm 61.
- the flexible component includes a spring 62 and a rubber head 64. One end of the spring 62 is sleeved on the end of the arm 61, and the other end is fixedly connected to the rubber head 64.
- the cover 20 needs to be displaced against the elastic force of the spring 62 after being hit by the collision, and after the applied collision force disappears, the protective cover 20 is quickly reset to the initial position under the restoring force of the spring 62, so that the micro-switch 224
- the trigger is more sensitive and reliable.
- the inner wall of the protective cover 20 has a plurality of limiting slots 203 corresponding to the supporting arms 61. The one end of each of the arms 61 adjacent to the protective cover 20 abuts against the limiting slot 203.
- the spring 62 has a certain rigidity, which can automatically return the protective cover, and can cooperate with the limiting groove of the inner wall of the protective cover so that the protective cover can rotate against the inertia following the turntable 16 at the starting point.
- the fixing bracket includes a lower bracket 601, an upper bracket 602 located above the lower bracket 601, and a bracket 65.
- the upper bracket 602 and the lower bracket 601 respectively include a plurality of arms 61, and the upper bracket 602 and the lower bracket 601 respectively comprise four arms equally spaced circumferentially, so that the body portion 40 of the protective cover 20 is on the circumference. Uniform support on the surface maintains a level.
- the surface of the bracket 65 is formed with a plurality of convex portions 66 for supporting the protective cover 20. Since the convex portion 66 is in point contact with the top portion 38 of the protective cover 20, the protective cover 20 can be kept horizontal and The friction between the protective cover 20 is small, so that the protective cover 20 is smoothed by the impact of the external force.
- the beneficial effects of the present invention are: by movably setting a force-removable protective cover and a sensor for sensing the protective cover activity on the periphery of the robot turntable electronic component, so that the robot After the turret collides, the protective cover 20 is displaced to cause the sensor to be sensitively and reliably triggered, so that the control unit of the robot controls the traveling mechanism to change the route to avoid collision again to protect the turntable electronic components.
- the difference between this embodiment and the embodiment 5 is that the sensor used in the embodiment is a contact type switch, and the contact type switch includes a first conductor 72 disposed on the turntable 16 and The second conductor 204 disposed on the protective cover 20 is in contact with the first conductor 72 and the second conductor 204 when the protective cover 20 is subjected to a collision, so that the contact is triggered to be sent to the control unit of the robot for Change the control signal of the walking path of the walking mechanism to prevent the robot from being hit again to protect the electronic components on the turntable
- first conductor 72 and the second conductor 204 are both copper sheets disposed around.
- First conductor 72 and The second conductor 204 can also be a circumferentially disposed copper wire that provides significant cost savings relative to other embodiments.
- the first conductor 72 and the second conductor 204 may also be one of other conductive materials such as aluminum wire, aluminum sheet, iron sheet, etc., as long as the protective cover 20 is displaced by the collision, the first conductor 72 and the first The two conductors 204 are in contact to make the circuit conductive, and a control signal for changing the traveling path of the traveling mechanism can be sent to the control unit.
- the turntable 16 is further provided with a blocking member 70 disposed around the periphery of the electronic component 18.
- the blocking member 70 is located in the protective cover 20, and the protective cover 20 is moved to and blocked by an external force.
- the member 70 abuts against the yoke or triggers the contact yoke against the front, and the blocking member 70 prevents the protective cover 20 from being excessively displaced by the external force and damaging the internal electronic component 18.
- the protective cover 20 includes a top portion 38, a body portion 40, a smooth transition portion 48 between the top portion 38 and the body portion 40, a waterproof portion 44 projecting outwardly from the body portion 40, and extending from the body portion 40 away from the top portion 38.
- the trigger portion 46 is formed.
- the copper piece of the first conductor 72 is circumferentially disposed on the inner side wall of the blocking member 70, and the copper piece of the second conductor 204 is disposed around the outer side wall of the trigger portion 46.
- the first conductor 72 and the second conductor 204 are disposed opposite each other and have a certain gap, and the ⁇ contact type is not triggered; when the robot protective cover 20 is subjected to an external force Moving in the horizontal direction, since the copper pieces of the first conductor 72 and the second conductor 204 are circumferentially arranged 360 degrees, the contact points between the copper sheets are more so that the triggering is more sensitive.
- the protective cover 20 is provided with a waterproof mechanism for preventing water from entering the inside of the turntable 16.
- the waterproof mechanism includes a water retaining flange 19 extending upward from the outer side wall of the rotating table 16, so that rainwater falling into the protective cover 20 hardly flows over the water retaining flange 19 into the interior of the turntable 16.
- the waterproofing mechanism further includes a skirt 82 disposed above the water retaining flange 19, and the orthographic projection of the outer edge of the skirt 82 on the horizontal surface completely covers the orthographic projection of the outer edge of the water retaining flange 19 on a horizontal plane.
- the skirt 82 includes a skirt body portion 84 extending outward in the horizontal direction and a water guiding portion 86 extending downward from the skirt body portion 84, and the water guiding portion 86 is located at the water retaining flange 19. Outside.
- the turntable 16 has at least one downwardly extending slope surface 23, and the slope surface 23 is provided with a plurality of drainage holes 21 so that rainwater falling into the protective cover 20 falls down along the water guiding portion 86 of the skirt 82 to the turntable.
- the slope surface 23 of the 16 is discharged from the drain hole 21 to prevent rainwater from entering the inside of the turntable 16 to protect the internal components of the turntable.
- the drain holes 21 are evenly distributed on the slope surface 23 near the inner side of the blocking member 70, so that the rainwater falling into the protective cover 20 flows downward along the slope surface 23 to be subjected to Blocking member 70 blocks, and A plurality of drain holes 21 on the slope surface 23 near the inner side of the blocking member 70 are quickly discharged.
- the drain hole 21 can also be disposed on the slope surface 23 in a manner that facilitates a non-uniform distribution of rapid drainage.
- the protective cover 20 when the robot collides on the turntable, the protective cover 20 is displaced, not only the contact type is triggered to be sensitively and reliably triggered, but also the waterproof mechanism provided in the protective cover can effectively prevent water from entering the turntable and Quick discharge, prevent the water inside the turntable from affecting the normal operation of the robot.
- the other parts of this embodiment are the same as those of the embodiment 5, and details are not described herein again.
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Abstract
Description
Claims
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CN201610429250.6A CN105974921A (zh) | 2016-06-16 | 2016-06-16 | 机器人 |
CN201610429250.6 | 2016-06-16 |
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WO2017215624A1 true WO2017215624A1 (zh) | 2017-12-21 |
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PCT/CN2017/088397 WO2017215624A1 (zh) | 2016-06-16 | 2017-06-15 | 机器人 |
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CN (3) | CN105974921A (zh) |
WO (1) | WO2017215624A1 (zh) |
Cited By (1)
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CN114305217A (zh) * | 2020-10-09 | 2022-04-12 | 科沃斯机器人股份有限公司 | 自移动机器人及其升降组件 |
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CN105974921A (zh) * | 2016-06-16 | 2016-09-28 | 苏州科瓴精密机械科技有限公司 | 机器人 |
EP3470311B1 (en) * | 2016-11-30 | 2021-01-06 | Honda Motor Co., Ltd. | Autonomously travelling vehicle |
CN106900690A (zh) * | 2017-02-10 | 2017-06-30 | 东莞产权交易中心 | 一种智能锄草机 |
WO2018153186A1 (zh) * | 2017-02-27 | 2018-08-30 | 苏州科瓴精密机械科技有限公司 | 行走机构、具有该行走机构的机器人及自行走割草机 |
CN109960251B (zh) * | 2017-12-26 | 2021-12-28 | 沈阳新松机器人自动化股份有限公司 | 一种用于底盘的全向感应避障机构 |
CN110269547A (zh) * | 2018-03-16 | 2019-09-24 | 科沃斯机器人股份有限公司 | 自移动机器人及其避障处理方法 |
CN110455527B (zh) * | 2019-09-12 | 2020-11-03 | 清华大学 | 用于盾构机密封圈的跨坐式质量检测系统 |
CN110949506A (zh) * | 2019-10-14 | 2020-04-03 | 南京浦航机械科技开发有限公司 | 一种应用于室外的无转向机构差速agv |
CN111290388B (zh) * | 2020-02-25 | 2022-05-13 | 苏州科瓴精密机械科技有限公司 | 路径追踪方法、系统,机器人及可读存储介质 |
CN115122831B (zh) * | 2022-07-26 | 2024-01-09 | 松灵机器人(深圳)有限公司 | 差速驱动式车辆 |
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Also Published As
Publication number | Publication date |
---|---|
CN107521292A (zh) | 2017-12-29 |
CN105974921A (zh) | 2016-09-28 |
CN206579417U (zh) | 2017-10-24 |
CN107521292B (zh) | 2024-05-03 |
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