CN110848340A - Cleaning robot with single motor for simultaneously driving wheel and impeller - Google Patents

Cleaning robot with single motor for simultaneously driving wheel and impeller Download PDF

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Publication number
CN110848340A
CN110848340A CN201911145802.0A CN201911145802A CN110848340A CN 110848340 A CN110848340 A CN 110848340A CN 201911145802 A CN201911145802 A CN 201911145802A CN 110848340 A CN110848340 A CN 110848340A
Authority
CN
China
Prior art keywords
rotating shaft
impeller
driving wheel
motor
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911145802.0A
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Chinese (zh)
Inventor
曹鑫
李伟锦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Pulefei Intelligent Technology Co ltd
Original Assignee
Ningbo Pouffe Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Pouffe Intelligent Technology Co Ltd filed Critical Ningbo Pouffe Intelligent Technology Co Ltd
Priority to CN201911145802.0A priority Critical patent/CN110848340A/en
Publication of CN110848340A publication Critical patent/CN110848340A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/46Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8858Submerged units
    • E02F3/8875Submerged units pulled or pushed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02034Gearboxes combined or connected with electric machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02039Gearboxes for particular applications

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a cleaning robot for simultaneously driving a driving wheel and an impeller by a single motor, which comprises a motor output shaft, the driving wheel and the impeller, wherein the impeller is provided with a first rotating shaft, the driving wheel is provided with a second rotating shaft, a connector is connected between the motor output shaft and the first rotating shaft, and a speed reducer is connected between the connector and the second rotating shaft. The cleaning robot completes the advancing and retreating and turning actions by the driving wheel, and the negative pressure generated by the impeller against the inside enables the garbage to enter the filter element inside and discharges the purified water or air out of the equipment. The output shaft of the impeller motor drives the first rotating shaft and the impeller to rotate at a higher speed through the connector, and the connector can drive the driving wheel to rotate at a low speed through the speed reducer, so that the impeller motor can drive the impeller and the driving wheel simultaneously by using only one motor, and the driving wheel and the impeller can generate different rotating speeds. The invention has the advantages that: because only one motor is used, the device has compact structure, reasonable layout, stable operation, low cost and light dead weight.

Description

Cleaning robot with single motor for simultaneously driving wheel and impeller
Technical Field
The invention relates to the field of cleaning equipment, in particular to a cleaning robot which drives a driving wheel and an impeller simultaneously by a single motor.
Background
Cleaning robots are classified into underwater cleaning robots and dry land cleaning robots, which are similar in principle and perform forward and backward movement and turning motions by means of driving wheels, garbage enters an internal filter element by means of negative pressure generated by an internal impeller, and filtered water or air is discharged out of the robot through the impeller, for example, a similar underwater cleaning robot is disclosed in a patent named as an underwater cleaning robot in the publication No. CN208380175U, wherein one motor drives a impeller to pump water, and the other motor drives a driving wheel to rotate and drives other wheels to rotate through a belt pulley, but the cleaning robot needs two motors to respectively provide power with different rotating speeds for the driving wheels and the impeller.
The cleaning robot is internally provided with the two motors, so that the self weight of the cleaning robot is increased, the cleaning robot also occupies the internal space, and the product cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a cleaning robot which has compact structure, reasonable layout, stable operation, low cost and light dead weight and simultaneously drives a driving wheel and an impeller by a single motor.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cleaning robot which drives a driving wheel and an impeller simultaneously by a single motor comprises the driving wheel, the impeller, a cavity for accommodating the impeller and a discharge port for communicating the cavity with the outside, wherein the impeller is provided with a first rotating shaft, and the driving wheel is provided with a second rotating shaft; a first channel is arranged between the cavity and the filter element; a connector is connected between the output shaft of the motor and the first rotating shaft, and a speed reducer is connected between the connector and the second rotating shaft.
In order to optimize the technical scheme, the adopted measures further comprise:
one scheme of the connector is a fixed part for synchronously connecting the output shaft of the motor and the first rotating shaft, and the other scheme is a planetary gear speed reducing mechanism for connecting the output shaft of the motor and the first rotating shaft. The choice of the speed reducer includes two conditions, the first condition is: when the second rotating shaft is parallel to the first rotating shaft, the speed reducer is any one of a planetary gear speed reducing mechanism and a belt pulley; the second case is: when the second rotating shaft and the first rotating shaft are on the same axis, the speed reducer is a planetary gear speed reducing mechanism.
The cavity is positioned in the driving wheel, and the discharge port is positioned on the driving wheel; the first channel is positioned on the second rotating shaft; a second channel which is communicated with the first channel and the cavity is arranged in the second rotating shaft; the second rotating shaft is sleeved on the periphery of the first rotating shaft; the planetary gear speed reducing mechanism is provided with a shaft hole for the rotation of the first rotating shaft.
The planetary gear speed reducing mechanism comprises a first planetary gear speed reducer and a second planetary gear speed reducer, wherein the second planetary gear speed reducer comprises a fixed second inner gear ring, a second planet gear and a second sun gear which are arranged in the second inner gear ring, and a second planet carrier which is arranged between the second sun gear and the first planetary gear speed reducer; the first planetary gear reducer comprises a first sun gear arranged on the second planet carrier, a first inner gear ring synchronously connected with the second rotating shaft, and a first planetary gear for arranging the rotating shaft on the second inner gear ring; the connector comprises a third sun gear fixed on the output shaft of the motor, a third planet gear in meshing transmission with the third sun gear and the second inner gear ring, and a fourth planet carrier arranged between the third sun gear and the second planet gear reducer, wherein the second sun gear is arranged on the fourth planet carrier, and the first rotating shaft is fixedly arranged on the fourth planet carrier.
A fifth planet carrier fixed on the fourth planet carrier is arranged between the third planet gear and the motor; a third planet carrier fixed on the second planet carrier is arranged between the second planet carrier and the fourth planet carrier; a first planet carrier fixed on the second inner gear ring is arranged between the first planet wheel and the impeller.
Compared with the prior art, the cleaning robot capable of driving the driving wheel and the impeller simultaneously by the single motor comprises the motor output shaft, the driving wheel and the impeller, wherein the impeller is provided with the first rotating shaft, the driving wheel is provided with the second rotating shaft, the connector is connected between the motor output shaft and the first rotating shaft, and the reducer is connected between the connector and the second rotating shaft. The cleaning robot completes the advancing and retreating and turning actions by the driving wheel, and the negative pressure generated by the impeller against the inside enables the garbage to enter the filter element inside and discharges the purified water or air out of the equipment. The output shaft of the impeller motor drives the first rotating shaft and the impeller to rotate at a higher speed through the connector, and the connector can drive the driving wheel to rotate at a low speed through the speed reducer, so that the impeller motor can drive the impeller and the driving wheel simultaneously by using only one motor, and the driving wheel and the impeller can generate different rotating speeds. The invention has the advantages that: because only one motor is used, the device has compact structure, reasonable layout, stable operation, low cost and light dead weight.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment, a second embodiment and a third embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 3 is an exploded schematic view of FIG. 2;
FIG. 4 is a schematic view of the full section configuration of FIG. 2;
FIG. 5 is an exploded schematic view of FIG. 4;
FIG. 6 is an exploded schematic view of a connector and a speed reducer according to a fourth embodiment;
FIG. 7 is a schematic view of the full section configuration of FIG. 6;
fig. 8 is an enlarged schematic view of the drive wheel and the second shaft of fig. 5.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The labels in the figures are: the motor 1, the motor output shaft 11, the connector 2, the third sun gear 21, the third planet gear 22, the fourth planet carrier 23, the fifth planet carrier 24, the reducer 3, the first planetary gear reducer 31, the first sun gear 311, the first planet gear 312, the first ring gear 313, the first planet carrier 314, the second planetary gear reducer 32, the second sun gear 321, the second planet gear 322, the second ring gear 323, the second planet carrier 324, the third planet carrier 325, the impeller 41, the first rotating shaft 42, the driving wheel 51, the discharge port 511, the cavity 512, the second rotating shaft 52, the first passage 521, the second passage 522, and the filter element 6.
First embodiment, as shown in fig. 1, a cleaning robot for driving a driving wheel and an impeller simultaneously with a single motor includes a driving wheel 51, an impeller 41, a cavity 512 for accommodating the impeller 41, and a discharge port 511 for communicating the cavity 512 with the outside, wherein the impeller 41 is provided with a first rotating shaft 42, and the driving wheel 51 is provided with a second rotating shaft 52; a first channel 521 is arranged between the cavity 512 and the filter element 6; a connector 2 is connected between the motor output shaft 11 and the first rotating shaft 42, and a speed reducer 3 is connected between the connector 2 and the second rotating shaft 52. The impeller 41 is fixed with the first rotating shaft 42, the driving wheel 51 is fixed with the second rotating shaft 52, the motor output shaft 11 drives the connector 2 to rotate, the connector 2 drives the first rotating shaft 42 and the impeller 41 to rotate, and the connector 2 drives the second rotating shaft 52 and the driving wheel 51 through the speed reduction of the speed reducer 3.
In the embodiment, the connector 2 is a fixed member for synchronously connecting the motor output shaft 11 and the first rotating shaft 42, the second rotating shaft 52 is parallel to the first rotating shaft 42, and the speed reducer 3 is a planetary gear speed reducing mechanism.
Second embodiment, as shown in fig. 1, the second embodiment is similar to the first embodiment except that the reducer 3 is a pulley.
Third embodiment, as shown in fig. 1, the third embodiment is similar to the second embodiment except that the coupling 2 is a planetary gear speed reduction mechanism that couples the motor output shaft 11 and the first rotating shaft 42.
Fourth embodiment, as shown in fig. 2 to 8, a cleaning robot for driving a driving wheel and an impeller simultaneously with a single motor includes a driving wheel 51, an impeller 41, a cavity 512 for accommodating the impeller 41, and a discharge port 511 for communicating the cavity 512 with the outside, the impeller 41 having a first rotation shaft 42, the driving wheel 51 having a second rotation shaft 52; a first channel 521 is arranged between the cavity 512 and the filter element 6; a connector 2 is connected between the motor output shaft 11 and the first rotating shaft 42, and a speed reducer 3 is connected between the connector 2 and the second rotating shaft 52. The impeller 41 is fixed with the first rotating shaft 42, the driving wheel 51 is fixed with the second rotating shaft 52, the motor output shaft 11 drives the connector 2 to rotate, the connector 2 drives the first rotating shaft 42 and the impeller 41 to rotate, and the connector 2 drives the second rotating shaft 52 and the driving wheel 51 through the speed reduction of the speed reducer 3.
In the embodiment, as shown in fig. 4, the second rotating shaft 52 is coaxial with the first rotating shaft 42, and the speed reducer 3 is a planetary gear speed reducing mechanism.
In an embodiment, as shown in fig. 4 and 5, cavity 512 is located within drive wheel 51 and discharge outlet 511 is located on drive wheel 51; the first channel 521 is located on the second rotating shaft 52; a second channel 522 for communicating the first channel 521 and the cavity 512 is arranged in the second rotating shaft 52; the second rotating shaft 52 is sleeved on the periphery of the first rotating shaft 42; the planetary gear speed reduction mechanism is provided with a shaft hole for the rotation of the first rotating shaft 42. Air or water filtered by the filter element 6 will pass through the first passage 521 into the second passage 522, then into the cavity 512 and finally out of the apparatus through the outlet 511. The impeller 41 is arranged in the driving wheel 51, so that the space occupation of the impeller 41 can be further reduced; discharge ports 511 are opened on both sides of the drive wheel 51.
In the embodiment, the planetary gear reduction mechanism includes a first planetary gear reducer 31 and a second planetary gear reducer 32, the second planetary gear reducer 32 includes a fixed second ring gear 323, second planet gears 322 and a second sun gear 321 provided in the second ring gear 323, a second carrier 324 provided between the second sun gear 321 and the first planetary gear reducer 31; the first planetary gear reducer 31 includes a first sun gear 311 provided on a second carrier 324, a first ring gear 313 synchronously connected to the second rotating shaft 52, and first planetary gears 312 that set the rotating shaft on the second ring gear 323; the connector 2 includes a third sun gear 21 fixed on the motor output shaft 11, a third planet gear 22 engaged with the third sun gear 21 and the second ring gear 323 for transmission, a fourth planet carrier 23 arranged between the third sun gear 21 and the second planet gear reducer 32, a second sun gear 321 arranged on the fourth planet carrier 23, and a first rotating shaft 42 fixed on the fourth planet carrier 23. The second ring gear 323 is fixed with the motor 1.
In the embodiment, a fifth planet carrier 24 fixed on the fourth planet carrier 23 is arranged between the third planet wheel 22 and the motor 1; a third planet carrier 325 fixed on the second planet carrier 324 is arranged between the second planet wheel 322 and the fourth planet carrier 23; a first carrier 314 fixed to the second ring gear 323 is provided between the first planetary gear 312 and the impeller 41.
In the embodiment, the first passage 521 is located at the outer circumferential wall of the second rotating shaft 52. When the second rotating shaft 52 rotates, on one hand, negative pressure can be formed, sewage can enter the filter element 6 more easily, and on the other hand, the edge of the first channel 521 can cut air or water, so that the load of the impeller 41 is reduced, and the air or water can enter the cavity 512 more easily.
In the embodiment, the third sun gear 21 and the fourth carrier 23 are integrally formed, and the first sun gear 311 and the second carrier 324 are integrally formed.
In the fourth embodiment, the process of rotating the driving wheel 51 is as follows: the motor output shaft 11 synchronously drives the third sun gear 21 to rotate, the third sun gear 21 drives the third planet gear 22 to rotate along the inner wall of the second ring gear 323, the third planet gear 22 drives the fourth planet carrier 23 to rotate, and then the second sun gear 321 on the fourth planet carrier 23 and the fourth planet carrier 23 synchronously rotate; the second sun gear 321 drives the second planet gear 322 to rotate along the inner wall of the second ring gear 323, the second planet gear 322 drives the second planet carrier 324 to rotate, and the first sun gear 311 and the second planet carrier 324 on the second planet carrier 324 rotate synchronously; the first sun gear 311 drives the first planet gear 312 to self-transmit, and the first planet gear 312 drives the first ring gear 313 to circumferentially rotate; the first ring gear 313 drives the second rotating shaft 52 to rotate, and finally drives the driving wheel 51 to rotate.
In the fourth embodiment, the process of rotating the impeller 41 is as follows: the fourth planet carrier 23 directly drives the first rotating shaft 42 to rotate, and finally drives the impeller 41 to rotate.
In the fourth example, the soil pick-up purification process was: the air or water filtered by the filter element 6 enters the second passage 522 through the first passage 521, enters the cavity 512, and is discharged to the outside through the discharge port 511.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims (9)

1. A cleaning robot which drives a driving wheel and an impeller simultaneously by a single motor comprises the driving wheel (51), the impeller (41), a cavity (512) for accommodating the impeller (41), and a discharge port (511) for communicating the cavity (512) with the outside, and is characterized in that: the impeller (41) is provided with a first rotating shaft (42), and the driving wheel (51) is provided with a second rotating shaft (52); a first channel (521) is arranged between the cavity (512) and the filter element (6); a connector (2) is connected between the motor output shaft (11) and the first rotating shaft (42), and a speed reducer (3) is connected between the connector (2) and the second rotating shaft (52).
2. The cleaning robot as claimed in claim 1, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the connector (2) is a fixed part for synchronously connecting the output shaft (11) of the motor with the first rotating shaft (42), the second rotating shaft (52) is parallel to the first rotating shaft (42), and the speed reducer (3) is a planetary gear speed reducing mechanism.
3. The cleaning robot as claimed in claim 1, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the connector (2) is a fixing part for synchronously connecting the output shaft (11) of the motor with the first rotating shaft (42), the second rotating shaft (52) is parallel to the first rotating shaft (42), and the speed reducer (3) is a belt pulley.
4. The cleaning robot as claimed in claim 1, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the connector (2) is a planetary gear speed reducing mechanism which is connected with an output shaft (11) of the motor and a first rotating shaft (42), the second rotating shaft (52) is parallel to the first rotating shaft (42), and the speed reducer (3) is a belt pulley.
5. The cleaning robot as claimed in claim 1, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the second rotating shaft (52) and the first rotating shaft (42) are positioned on the same axis, and the speed reducer (3) is a planetary gear speed reducing mechanism.
6. The cleaning robot as claimed in claim 5, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the second rotating shaft (52) is sleeved on the periphery of the first rotating shaft (42), the cavity (512) is positioned in the driving wheel (51), and the discharge port (511) is positioned on the driving wheel (51); the first channel (521) is positioned on the second rotating shaft (52); a second channel (522) which is communicated with the first channel (521) and the cavity (512) is arranged in the second rotating shaft (52); the planetary gear speed reducing mechanism is provided with a shaft hole for rotating the first rotating shaft (42).
7. The cleaning robot as claimed in claim 6, wherein the driving wheel and the impeller are driven by a single motor, and wherein: the planetary gear speed reducing mechanism comprises a first planetary gear speed reducer (31) and a second planetary gear speed reducer (32), the second planetary gear speed reducer (32) comprises a fixed second internal gear ring (323), a second planetary gear (322) and a second sun gear (321) which are arranged in the second internal gear ring (323), and a second planet carrier (324) which is arranged between the second sun gear (321) and the first planetary gear speed reducer (31); the first planetary gear reducer (31) comprises a first sun gear (311) arranged on a second planet carrier (324), a first ring gear (313) synchronously connected with a second rotating shaft (52), and a first planet gear (312) for arranging the rotating shaft on a second ring gear (323); the connector (2) comprises a third sun gear (21) fixed on the motor output shaft (11), a third planet gear (22) in meshing transmission with the third sun gear (21) and a second annular gear (323), and a fourth planet carrier (23) arranged between the third sun gear (21) and a second planet gear reducer (32), wherein the second sun gear (321) is arranged on the fourth planet carrier (23), and a first rotating shaft (42) is fixedly arranged on the fourth planet carrier (23).
8. The cleaning robot as claimed in claim 7, wherein the driving wheel and the impeller are driven by a single motor, and wherein: a fifth planet carrier (24) fixed on a fourth planet carrier (23) is arranged between the third planet wheel (22) and the motor (1); a third planet carrier (325) fixed on the second planet carrier (324) is arranged between the second planet wheel (322) and the fourth planet carrier (23); and a first planet carrier (314) fixed on the second inner gear ring (323) is arranged between the first planet wheel (312) and the impeller (41).
9. A cleaning robot as claimed in any one of claims 7 or 8, wherein the cleaning robot comprises a single motor for driving the driving wheel and the impeller simultaneously, and wherein: the first channel (521) is positioned on the peripheral wall of the second rotating shaft (52).
CN201911145802.0A 2019-11-21 2019-11-21 Cleaning robot with single motor for simultaneously driving wheel and impeller Pending CN110848340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911145802.0A CN110848340A (en) 2019-11-21 2019-11-21 Cleaning robot with single motor for simultaneously driving wheel and impeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911145802.0A CN110848340A (en) 2019-11-21 2019-11-21 Cleaning robot with single motor for simultaneously driving wheel and impeller

Publications (1)

Publication Number Publication Date
CN110848340A true CN110848340A (en) 2020-02-28

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CN201911145802.0A Pending CN110848340A (en) 2019-11-21 2019-11-21 Cleaning robot with single motor for simultaneously driving wheel and impeller

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111267954A (en) * 2020-04-09 2020-06-12 宁波普乐菲智能科技有限公司 Double-wheel drive walking steering mechanism and underwater cleaning robot applying same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04102750A (en) * 1990-08-21 1992-04-03 Sumitomo Heavy Ind Ltd Concentric two-output shaft reduction gear
CN2293616Y (en) * 1997-03-13 1998-10-07 佛山市柴油机厂 Submersible full-automatic cleaning machine for swimming pool
US20040021439A1 (en) * 2001-10-15 2004-02-05 Joseph Porat Pool cleaning method and apparatus
US20140135166A1 (en) * 2012-10-26 2014-05-15 Johnson Electric S.A. Planetary gearbox and process for assembling the same
CN204316250U (en) * 2014-12-15 2015-05-06 宁波中大力德传动设备有限公司 A kind of solar energy turnover panel reducing motor
CN108855379A (en) * 2018-08-31 2018-11-23 江苏鹏飞集团股份有限公司 Single-drive synchronous mode roll squeezer
CN208259646U (en) * 2017-09-22 2018-12-21 宁波普乐菲智能科技有限公司 Underwater duster pumping water device
CN109199267A (en) * 2018-09-29 2019-01-15 孙宇博 A kind of water washing cleaning device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04102750A (en) * 1990-08-21 1992-04-03 Sumitomo Heavy Ind Ltd Concentric two-output shaft reduction gear
CN2293616Y (en) * 1997-03-13 1998-10-07 佛山市柴油机厂 Submersible full-automatic cleaning machine for swimming pool
US20040021439A1 (en) * 2001-10-15 2004-02-05 Joseph Porat Pool cleaning method and apparatus
US20140135166A1 (en) * 2012-10-26 2014-05-15 Johnson Electric S.A. Planetary gearbox and process for assembling the same
CN204316250U (en) * 2014-12-15 2015-05-06 宁波中大力德传动设备有限公司 A kind of solar energy turnover panel reducing motor
CN208259646U (en) * 2017-09-22 2018-12-21 宁波普乐菲智能科技有限公司 Underwater duster pumping water device
CN108855379A (en) * 2018-08-31 2018-11-23 江苏鹏飞集团股份有限公司 Single-drive synchronous mode roll squeezer
CN109199267A (en) * 2018-09-29 2019-01-15 孙宇博 A kind of water washing cleaning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111267954A (en) * 2020-04-09 2020-06-12 宁波普乐菲智能科技有限公司 Double-wheel drive walking steering mechanism and underwater cleaning robot applying same
CN111267954B (en) * 2020-04-09 2024-07-16 淮安普乐菲智能科技有限公司 Double-wheel driving walking steering mechanism and underwater cleaning robot using same

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