CN105752045B - A kind of rotary carwash robot - Google Patents

A kind of rotary carwash robot Download PDF

Info

Publication number
CN105752045B
CN105752045B CN201610337305.0A CN201610337305A CN105752045B CN 105752045 B CN105752045 B CN 105752045B CN 201610337305 A CN201610337305 A CN 201610337305A CN 105752045 B CN105752045 B CN 105752045B
Authority
CN
China
Prior art keywords
hinged
parallel
electric cylinders
support
plate
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.)
Expired - Fee Related
Application number
CN201610337305.0A
Other languages
Chinese (zh)
Other versions
CN105752045A (en
Inventor
孙进军
于卫星
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.)
Shanghai Youzang Intelligent Technology Co ltd
Original Assignee
Ningbo Excellent Science 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 Excellent Science Intelligent Technology Co Ltd filed Critical Ningbo Excellent Science Intelligent Technology Co Ltd
Priority to CN201610337305.0A priority Critical patent/CN105752045B/en
Priority to CN201711252946.7A priority patent/CN107953866A/en
Publication of CN105752045A publication Critical patent/CN105752045A/en
Application granted granted Critical
Publication of CN105752045B publication Critical patent/CN105752045B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00Vehicle cleaning apparatus not integral with vehicles
    • B60S3/04Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Toys (AREA)

Abstract

The present invention provides a kind of rotary carwash robot, including up gradient, gug, base, rotating disk etc., entrance of the described up gradient as robot, outlet of the described gug as robot, described up gradient and gug are symmetricly set on the both sides of plinth;A circular port is provided among described base, rotating disk is rotatablely installed in circular port, described driven synchronous pulley is co-axially mounted with rotating disk;The present invention carries out live three-dimensional modeling using three-dimensional laser scanner to automobile, can accurately obtain the coordinate at any point of outer surface of automobile, and accurate data support is provided for the cleaning of hairbrush.

Description

A kind of rotary carwash robot
Technical field
The present invention relates to automobile technical field, more particularly to a kind of rotary carwash robot.
Background technology
As the car ownership in city constantly rises, the cleaning of automobile becomes more and more heavier, so being badly in need of It is a can be with the robot of automatic car washing.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of rotary carwash robot, it uses three-dimensional laser scanner to vapour Car carries out live three-dimensional modeling, can accurately obtain the coordinate at any point of outer surface of automobile, is carried for the cleaning of hairbrush Accurate data have been supplied to support.
Technical scheme used in the present invention is:A kind of rotary carwash robot, including up gradient, column, framework, lock Tight screw, carwash part, gug, electric control gear, rotating disk, timing belt, stepper motor, active synchronization belt wheel, driven timing belt Wheel, base, it is characterised in that:Entrance of the described up gradient as robot, outlet of the described gug as robot, Described up gradient and gug is symmetricly set on the both sides of plinth;A circular port is provided among described base, Rotating disk is rotatablely installed in circular port, described driven synchronous pulley is co-axially mounted with rotating disk, and described stepper motor is arranged on bottom Seat bottom, described active synchronization belt wheel are arranged on the motor shaft of stepper motor, described active synchronization belt wheel and driven same Toothed belt transmission is used between step belt wheel;Described column has four, and is arranged on four angles on base top;Described frame Frame is three-back-shaped framework, and described framework is arranged on four root posts;
Described carwash part includes upper parallel-plate, the first electric cylinders, parallel bracket, lower parallel-plate, the second electric cylinders, the first hinge Bearing, the second hinged-support, sliding sleeve, the 3rd electric cylinders, sliding bar, three-dimensional laser scanner, spring, stepper motor, hairbrush, height Hydraulic giant is pressed, described upper parallel-plate is fixed on lower frame by lock-screw, and the upper parallel-plate is mutually flat with lower parallel-plate OK, described parallel bracket have 2 and the two be parallel to each other, described 2 parallel brackets, upper parallel-plate and lower parallel-plate are formed One movable parallel-crank mechanism, the telescopic rod end of the first described electric cylinders are hinged on the bearing pin of inside parallel support On, the rear end of the cylinder block of the first described electric cylinders is hinged on the 3rd hinged-support, and the 3rd described hinged-support is fixed on parallel-plate Bottom;Described the first hinged-support, the second hinged-support are separately fixed at lower parallel-plate bottom;Described sliding sleeve cuts for rectangle Face, thereafter end be hinged on the first hinged-support, described sliding bar is also the section of rectangle and is slidably mounted on sliding sleeve In;The rear end of the cylinder block of the 3rd described electric cylinders is fixed on sliding sleeve rear portion, and the end of the expansion link of the 3rd described electric cylinders is consolidated It is scheduled on the leading section of sliding bar;The rear end of the cylinder block portion of the second described electric cylinders is hinged on the second hinged-support, the described second electricity The leading section of the expansion link of cylinder is hinged on sliding sleeve top;Described three-dimensional laser scanner is fixed on the top of sliding bar; Described spring is fixed on the front end of sliding bar, and described servomotor is fixed on spring at front end portion;Described hairbrush is disk Shape, it is fixed on the motor shaft of servomotor, and described servomotor top is additionally provided with giant.
Further, described electric control gear passes through circuit and stepper motor, the first electric cylinders, servomotor, the 3rd respectively Electric cylinders, three-dimensional laser scanner, the second electric cylinders are connected.
Further, the data that the present invention is scanned to automobile by three-dimensional laser scanner and scanning is arrived carry out three Dimension modeling.
There is advantages below because present invention employs above-mentioned technical proposal, the present invention:
1. the present invention carries out live three-dimensional modeling using three-dimensional laser scanner to automobile, automobile-exterior can be accurately obtained The coordinate at any point in face, accurate data support is provided for the cleaning of hairbrush.
2. the carwash part of the present invention is controlled using numerical control programming, cleaning is more accurate, clean.
Brief description of the drawings
Fig. 1 is the integral installation distribution structure schematic diagram of the present invention.
Fig. 2 is the polycrystalline substance schematic diagram of the present invention.
Fig. 3 is the carwash part-structure schematic diagram of the present invention.
Drawing reference numeral:1- up gradients;2- columns;3- frameworks;4- automobiles;5- lock-screws;6- carwash part;7- descendings Road;8- electric control gears;9- rotating disks;10- timing belts;11- stepper motors;12- active synchronization belt wheels;The driven synchronous pulleys of 13-; 14- bases;The upper parallel-plates of 601-;The electric cylinders of 602- first;603- parallel brackets;Parallel-plate under 604-;The electric cylinders of 605- second;606- First hinged-support;The hinged-supports of 607- second;608- sliding sleeves;The electric cylinders of 609- the 3rd;610- sliding bars;611- three-dimensional lasers are swept Retouch instrument;612- springs;613- servomotors;614- hairbrush;615- giants;616- bearing pins;The hinged-supports of 617- the 3rd.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of rotary carwash robot, including up gradient 1, column 2, framework 3, locking screw It is nail 5, carwash part 6, gug 7, electric control gear 8, rotating disk 9, timing belt 10, stepper motor 11, active synchronization belt wheel 12, driven Synchronous pulley 13, base 14, it is characterised in that:Entrance of the described up gradient 1 as robot, the described conduct of gug 7 The outlet of robot, described up gradient 1 and gug 7 are symmetricly set on the both sides of plinth 14;In described base 14 Between be provided with a circular port, rotating disk 9 is rotatablely installed in circular port, described driven synchronous pulley 13 is co-axially mounted with rotating disk 9, Described stepper motor 11 is arranged on the bottom of base 14, and described active synchronization belt wheel 12 is arranged on the motor shaft of stepper motor 11 On, it is driven between described active synchronization belt wheel 12 and driven synchronous pulley 13 using timing belt 10;Described column 2 has four Root, and be arranged on four angles on the top of base 14;Described framework 3 is three-back-shaped framework 3, and described framework 3 is arranged on four On root post 2;
Described carwash part 6 includes upper parallel-plate 601, the first electric cylinders 602, parallel bracket 603, lower parallel-plate 604, the Two electric cylinders 605, the first hinged-support 606, the second hinged-support 607, sliding sleeve 608, the 3rd electric cylinders 609, sliding bar 610, three-dimensional Laser scanner 611, spring 612, stepper motor 11, hairbrush 614, giant 615, described upper parallel-plate 601 pass through lock Tight screw 5 is fixed on the bottom of framework 3, and the upper parallel-plate 601 is parallel to each other with lower parallel-plate 604, described parallel bracket 603 Have 2 and the two be parallel to each other, described 2 parallel brackets 603, upper parallel-plate 601 and lower parallel-plate 604 form an activity Parallel-crank mechanism, the telescopic rod end of the first described electric cylinders 602 is hinged on the bearing pin 616 of inside parallel support 603 On, the rear end of the cylinder block of the first described electric cylinders 602 is hinged on the 3rd hinged-support 617, and the 3rd described hinged-support 617 is fixed on The upper bottom of parallel-plate 601;Described the first hinged-support 606, the second hinged-support 607 are separately fixed at the lower bottom of parallel-plate 604;Institute The sliding sleeve 608 stated is square-section, and end is hinged on the first hinged-support 606 thereafter, described sliding bar 610 and square The section of shape and it is slidably mounted in sliding sleeve 608;The rear end of the cylinder block of the 3rd described electric cylinders 609 is fixed on sliding sleeve 608 rear portions, the end of the expansion link of the 3rd described electric cylinders 609 are fixed on the leading section of sliding bar 610;The second described electric cylinders 605 rear end of the cylinder block portion is hinged on the second hinged-support 607, and the leading section of the expansion link of the second described electric cylinders 605 is hinged on The top of sliding sleeve 608;Described three-dimensional laser scanner 611 is fixed on the top of sliding bar 610;Described spring 612 is solid The front end of sliding bar 610 is scheduled on, described servomotor 613 is fixed on the leading section of spring 612;Described hairbrush 614 is disk Shape, it is fixed on the motor shaft of servomotor 613, and the described top of servomotor 613 is additionally provided with giant 615.
Further, described electric control gear 8 passes through circuit and stepper motor 11, the first electric cylinders 602, servomotor respectively 613rd, the 3rd electric cylinders 609, three-dimensional laser scanner 611, the second electric cylinders 605 are connected.
Further, the present invention automobile 4 is scanned by three-dimensional laser scanner 611 and scanning to data enter Row three-dimensional modeling.
Operation principle of the present invention:The present invention allows user that automobile 4 is driven into from up gradient 1 first when in use, reaches rotating disk 9 After stop and stop working, rotating disk 9 starts to rotate, then by three-dimensional laser scanner 611 to automobile 4 is scanned and scanning to Data carry out three-dimensional modeling, after the completion of modeling by electric control gear 8 according to modeling data control the first electric cylinders 602, the second electric cylinders 605th, the 3rd electric cylinders 609, stepper motor 11 link, and giant 615 starts to spray water while linkage, and hairbrush 614 rotates simultaneously Clean automobile 4.

Claims (3)

1. a kind of rotary carwash robot, including up gradient(1), column(2), framework(3), lock-screw(5), carwash part (6), gug(7), electric control gear(8), rotating disk(9), timing belt(10), stepper motor(11), active synchronization belt wheel(12), from Dynamic synchronous pulley(13), base(14), it is characterised in that:Described up gradient(1)As the entrance of robot, described descending Road(7)As the outlet of robot, described up gradient(1)And gug(7)It is symmetricly set on plinth(14)Both sides; Described base(14)Centre is provided with a circular port, and rotating disk is rotatablely installed in circular port(9), described driven synchronous pulley (13)With rotating disk(9)It is co-axially mounted, described stepper motor(11)Installed in base(14)Bottom, described active synchronization belt wheel (12)Installed in stepper motor(11)Motor shaft on, described active synchronization belt wheel(12)With driven synchronous pulley(13)Between Use timing belt(10)Transmission;Described column(2)There are four, and be arranged in base(14)On four angles on top;Described Framework(3)For three-back-shaped framework(3), described framework(3)It is arranged on four root posts(2)On;
Described carwash part(6)Including upper parallel-plate(601), the first electric cylinders(602), parallel bracket(603), lower parallel-plate (604), the second electric cylinders(605), the first hinged-support(606), the second hinged-support(607), sliding sleeve(608), the 3rd electric cylinders (609), sliding bar(610), three-dimensional laser scanner(611), spring(612), stepper motor(11), hairbrush(614), water under high pressure Rifle(615), described upper parallel-plate(601)Pass through lock-screw(5)It is fixed on framework(3)Bottom, the upper parallel-plate(601) With lower parallel-plate(604)It is parallel to each other, described parallel bracket(603)Have 2 and the two be parallel to each other, described 2 are parallel Support(603), upper parallel-plate(601)With lower parallel-plate(604)One movable parallel-crank mechanism of composition, described first Electric cylinders(602)Telescopic rod end be hinged on inside parallel support(603)Bearing pin(616)On, the first described electric cylinders(602) Rear end of the cylinder block be hinged on the 3rd hinged-support(617)On, the 3rd described hinged-support(617)It is fixed on parallel-plate(601)Under Portion;The first described hinged-support(606), the second hinged-support(607)It is separately fixed at lower parallel-plate(604)Bottom;Described cunning Moving sleeve(608)For square-section, end is hinged on the first hinged-support thereafter(606)On, described sliding bar(610)And square The section of shape and it is slidably mounted on sliding sleeve(608)In;The 3rd described electric cylinders(609)Rear end of the cylinder block be fixed on slip cap Cylinder(608)Rear portion, the 3rd described electric cylinders(609)The end of expansion link be fixed on sliding bar(610)Leading section;Described Second electric cylinders(605)Rear end of the cylinder block portion be hinged on the second hinged-support(607)On, the second described electric cylinders(605)Expansion link Leading section be hinged on sliding sleeve(608)Top;Described three-dimensional laser scanner(611)It is fixed on sliding bar(610)'s Top;Described spring(612)It is fixed on sliding bar(610)Front end, servomotor(613)It is fixed on spring(612)Front end Portion;Described hairbrush(614)For disc, it is fixed on servomotor(613)Motor shaft on, described servomotor (613)Top is additionally provided with giant(615).
A kind of 2. rotary carwash robot according to claim 1, it is characterised in that:Described electric control gear(8)Point Circuit and stepper motor are not passed through(11), the first electric cylinders(602), servomotor(613), the 3rd electric cylinders(609), three-dimensional laser sweeps Retouch instrument(611), the second electric cylinders(605)It is connected.
A kind of 3. rotary carwash robot according to claim 1, it is characterised in that:Pass through three-dimensional laser scanner (611)To automobile(4)The data for being scanned and scanning being arrived carry out three-dimensional modeling.
CN201610337305.0A 2016-05-21 2016-05-21 A kind of rotary carwash robot Expired - Fee Related CN105752045B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610337305.0A CN105752045B (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot
CN201711252946.7A CN107953866A (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610337305.0A CN105752045B (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201711252946.7A Division CN107953866A (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot

Publications (2)

Publication Number Publication Date
CN105752045A CN105752045A (en) 2016-07-13
CN105752045B true CN105752045B (en) 2018-02-13

Family

ID=56324219

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610337305.0A Expired - Fee Related CN105752045B (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot
CN201711252946.7A Withdrawn CN107953866A (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201711252946.7A Withdrawn CN107953866A (en) 2016-05-21 2016-05-21 A kind of rotary carwash robot

Country Status (1)

Country Link
CN (2) CN105752045B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108116372A (en) * 2016-11-29 2018-06-05 梁金水 A kind of intelligent automobile washer control method
DE202017004032U1 (en) * 2017-07-31 2018-11-05 Aleksei Mozhar Washing device for vehicles
CN107697029B (en) * 2017-09-14 2020-04-28 陈显权 Electric automobile jetter
CN107650874A (en) * 2017-10-17 2018-02-02 顾渠成 A kind of municipal construction steam turbine
CN108674380A (en) * 2018-04-24 2018-10-19 安徽万杉高科有限公司 A kind of tunnel type car washer
CN108569257B (en) * 2018-05-21 2020-09-11 福州艺品机电科技有限公司 Full-automobile automatic cleaning equipment for automobile
CN108973946A (en) * 2018-08-08 2018-12-11 合肥市神雕起重机械有限公司 A kind of intelligent garage car washer
CN109017705B (en) * 2018-09-11 2022-01-04 广东宏穗晶科技服务有限公司 Rotation type carwash machine people
CN110067914B (en) * 2019-05-17 2021-01-29 广东九朵云科技有限公司 Face recognition device
TWI692420B (en) * 2019-06-28 2020-05-01 陳威仲 Rotary 3D car washing machine and its moving method
CN113022500B (en) * 2021-03-01 2022-09-23 内蒙古机电职业技术学院 Intelligent car washing station
CN117207921B (en) * 2023-11-09 2024-01-26 四川凯德源科技有限公司 Double-arm non-contact car washer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499487A1 (en) * 1981-02-11 1982-08-13 Chouvet Pierre Automatic washer for motor vehicles - has frame carrying brushes and water nozzles and extra nozzles on ramp to clean underside of vehicle
FR2964621B1 (en) * 2010-09-09 2012-09-28 Busitec LAUNDRY INSTALLATION OF VEHICLES MUNISED IN THEIR UPPER PART OF NON-RETRACTING HIGHLIGHTS
CN202783144U (en) * 2012-09-13 2013-03-13 杭州水斧洗车设备有限公司 Full-automatic computer car washing machine
CN104118400A (en) * 2013-04-26 2014-10-29 深圳市艾基科技有限公司 Vehicle washing system and using method thereof
CN205075806U (en) * 2015-11-09 2016-03-09 陈叶飞 Full -automatic car washer based on laser positioning technique
CN105564390A (en) * 2016-01-13 2016-05-11 刘文星 Rectangular coordinate type car washing robot

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO890060L (en) * 1989-01-06 1990-07-09 Tommy Selnes APPLIANCE FOR CLEANING THE COVERAGE ON VEHICLE WHEELS.
KR20130100685A (en) * 2012-03-02 2013-09-11 주식회사 와이씨티 Automatic polishing robot of vehicles maintenance and automatic polishing method using the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499487A1 (en) * 1981-02-11 1982-08-13 Chouvet Pierre Automatic washer for motor vehicles - has frame carrying brushes and water nozzles and extra nozzles on ramp to clean underside of vehicle
FR2964621B1 (en) * 2010-09-09 2012-09-28 Busitec LAUNDRY INSTALLATION OF VEHICLES MUNISED IN THEIR UPPER PART OF NON-RETRACTING HIGHLIGHTS
CN202783144U (en) * 2012-09-13 2013-03-13 杭州水斧洗车设备有限公司 Full-automatic computer car washing machine
CN104118400A (en) * 2013-04-26 2014-10-29 深圳市艾基科技有限公司 Vehicle washing system and using method thereof
CN205075806U (en) * 2015-11-09 2016-03-09 陈叶飞 Full -automatic car washer based on laser positioning technique
CN105564390A (en) * 2016-01-13 2016-05-11 刘文星 Rectangular coordinate type car washing robot

Also Published As

Publication number Publication date
CN105752045A (en) 2016-07-13
CN107953866A (en) 2018-04-24

Similar Documents

Publication Publication Date Title
CN105752045B (en) A kind of rotary carwash robot
CN207188282U (en) Great-leap-forward solar panels cleaning vehicle
CN102773224B (en) Photovoltaic de-dusting equipment
CN106696914B (en) A kind of intelligent automobile tyre cleaning machine device people
CN104772461B (en) A kind of laser powder fast forming machine essence amount power spreading device
CN106313499A (en) 3D printing and scanning all-in-one machine
CN204486380U (en) Finished product engine piston cleaning machine
CN109731625B (en) But continuous production's full-automatic stamp box formula moxa processingequipment
CN107600041A (en) The Accurate Curve-fitting method of body of a motor car curve
CN108339783A (en) The mold tool that can be cleared up automatically
CN107855841A (en) A kind of wheel hub milling robot with holding function
CN206270043U (en) The multifunction automatic test equipment of baby car safe seat
CN108273777B (en) Track slab mold cleaning robot
CN202683511U (en) Movable dust removing device for photovoltaic module
CN110374035B (en) Bridge guardrail multi-angle cleaning machine
CN107713543A (en) A kind of traffic machinery sale platform for being easy to regulation
CN109093468B (en) Plastic piece inner wall treatment system and plastic piece inner wall treatment process
CN216175142U (en) Photovoltaic board cleans machine people system
CN206254023U (en) Copper bar surface polishing device
CN104032697B (en) A kind of road dust collection equipment
CN206307014U (en) A kind of new car washer cantilevered hairbrush-cleaning machine structure
CN209319088U (en) A kind of one-stop elevator well frame fabricating tools platform of solid
CN2516505Y (en) Movable conveyer
CN205682312U (en) A kind of vacuum tumbler
CN215745050U (en) Engineering survey and drawing is with cleaning device who has multistep hierarchical structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Sun Jinjun

Inventor after: Yu Weixing

Inventor before: Request for anonymity

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20180118

Address after: 315499 Zhejiang city of Ningbo province Yuyao City Road No. 479 Metallurgical Branch Center 909

Applicant after: NINGBO UCHAIN AI CO.,LTD.

Address before: 054900 No. 102 Yao Lou, Linxi County, Hebei, Xingtai

Applicant before: Xu Hongjun

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220216

Address after: Room 1001, 1st floor, building B, 555 Dongchuan Road, Minhang District, Shanghai

Patentee after: Shanghai Youzang Intelligent Technology Co.,Ltd.

Address before: 315499 science and innovation center, No. 479, Yeshan Road, Yuyao City, Ningbo City, Zhejiang Province

Patentee before: NINGBO UCHAIN AI CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180213

CF01 Termination of patent right due to non-payment of annual fee