CN102502199B - Electric banana transporting system - Google Patents

Electric banana transporting system Download PDF

Info

Publication number
CN102502199B
CN102502199B CN2011103339659A CN201110333965A CN102502199B CN 102502199 B CN102502199 B CN 102502199B CN 2011103339659 A CN2011103339659 A CN 2011103339659A CN 201110333965 A CN201110333965 A CN 201110333965A CN 102502199 B CN102502199 B CN 102502199B
Authority
CN
China
Prior art keywords
guide rail
pulley
shaft
hook
balance
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.)
Active
Application number
CN2011103339659A
Other languages
Chinese (zh)
Other versions
CN102502199A (en
Inventor
杨洲
李君�
王慰祖
郑顺源
丁亮辉
许冠球
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.)
South China Agricultural University
Original Assignee
South China Agricultural University
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 South China Agricultural University filed Critical South China Agricultural University
Priority to CN2011103339659A priority Critical patent/CN102502199B/en
Publication of CN102502199A publication Critical patent/CN102502199A/en
Application granted granted Critical
Publication of CN102502199B publication Critical patent/CN102502199B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention provides an electric banana transporting system, which is characterized by comprising a support, an electric vehicle, a pulley hanger set, a guide rail and a connecting strip, wherein the guide rail is arranged on the support; the electric vehicle and the pulley hanger set are respectively arranged on the guide rail; and both ends of the connecting strip are respectively connected with the electric vehicle and the pulley hanger set. In the electric banana transporting system provided by the invention, a way that the pulley hanger set hanging banana fruit clusters is driven and dragged by the electric vehicle is adopted to replace a traditional manual traction way, so that the labor strength of workers is greatly reduced, and the labor efficiency is obviously increased. Moreover, the operation is safe, simple and convenient.

Description

A kind of electric banana transporting system
Technical field
The present invention relates to the transport fruits field of mechanical technique, particularly a kind of electric banana transporting system.
Background technology
At present, transportation mode after banana is plucked adopts artificial backpack mostly, because the banana ears volume is large, weight is also heavier and pericarp is tender, the generation mechanical damage of easily colliding with in a dead lift process, cause banana fresh-keeping and storage period short, outward appearance and quality descend, cause unnecessary economic loss, affect the economic benefit in Liao Jiao garden.For this reason, some advanced orchard has adopted the banana orbit delivery system, and existing banana orbit delivery system mainly is comprised of rail, arched support, pulley suspension hook three parts.While gathering, by manually cutting down the banana ears come, tie up and hang over rope on the pulley suspension hook that can be active on rail, the fruit ear of going here and there can connect in a row at a certain distance, under artificial hauling block suspension hook, fruit ear is delivered to processing stand.Whole process fruit ear does not land, does not collide, and the mechanical damage such as avoided damaging, weigh wounded has improved commodity value and the market competitiveness of banana.Although traditional artificial backpack mode is compared in the banana orbit conveying, significant improvement has been arranged, because labour intensity under artificial tractive mode is large, the banana transport efficiency is not high.
Summary of the invention
Main purpose of the present invention is that the shortcoming that overcomes above-mentioned prior art, with not enough, provides the electric banana transporting system that a kind of banana transport efficiency is high, labour intensity is little, easy to operate.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of electric banana transporting system, it is characterized in that, comprise support, battery-driven car, pulley hook groups, guide rail and connecting strap, guide rail is installed on support, described battery-driven car and pulley hook groups all are located on guide rail, and the connecting strap two ends are connected with the pulley hook groups with battery-driven car respectively.
Above-mentioned battery-driven car comprises actuating device, adapter plate, clump weight, suspension hook and electrical controller, described actuating device comprises the first motor, axle drive shaft and drive wheel, wherein the axle drive shaft two ends are arranged on respectively on adapter plate and clump weight by bearing, drive wheel is sleeved on axle drive shaft, and be placed between adapter plate and clump weight, the first motor is fixed on adapter plate, the output shaft of the first motor is connected with axle drive shaft by reductor, the suspension hook upper end is passed the adapter plate center and is fixed on clump weight, electrical controller is installed on suspension hook, described suspension hook is provided with the U-shaped frame, connecting strap is articulated on the U-shaped frame of suspension hook, electrical controller is electrically connected to and is hung on the hook of suspension hook with the first motor, battery-driven car matches and is placed on guide rail with guide rail by drive wheel.
Above-mentioned battery-driven car also comprises hunting gear, and described hunting gear comprises driven shaft and be sleeved on the flower wheel on driven shaft, and the driven shaft two ends are arranged on respectively on adapter plate and clump weight by bearing, and flower wheel and drive wheel align, and are placed on guide rail.
Also be provided with the second motor on above-mentioned adapter plate, the output shaft of the second motor is connected with driven shaft by drop-gear box, and electrical controller is electrically connected to the second motor.
Above-mentioned battery-driven car also is provided with first, second auxiliary balance device, first, second auxiliary balance device comprises respectively first, second bearing seat of first, second balance wheel and first, second balance shaft, the first balance shaft two ends are arranged on respectively on the clutch shaft bearing seat by bearing, the first balance wheel is sleeved on the first balance shaft, the first balance wheel and guide rail laminating, the clutch shaft bearing seat is installed on adapter plate by spring; The secondary balance shaft two ends are arranged on respectively on the second bearing seat by bearing, and the second balance wheel is sleeved on secondary balance shaft, the second balance wheel and guide rail laminating, and the second bearing seat is installed on clump weight by spring; Described first, second balance wheel symmetry respectively is positioned at the guide rail both sides.
Above-mentioned pulley hook groups comprises several pulley hitch gears, and several pulley hitch gears are placed in respectively on guide rail, and adjacent two pulley hitch gears connect by connecting strap.
Above-mentioned pulley hitch gear comprises two pulleys and hook and pulley mount pad, two pulleys are installed in respectively on the pulley mount pad, hook is fixed on the pulley mount pad, described hook also is provided with U-shaped, the two ends of connecting strap are connected with U-shaped of adjacent two pulley hitch gears respectively, and the pulley hitch gear matches and is installed on guide rail with guide rail by pulley.
Compared with prior art, the beneficial effect that the present invention has is: be located on guide rail and the pulley hook groups that is hung with banana ears adopts battery-driven car tractive mode, substitute by original artificial mode of traction, make workman's labour intensity decrease, efficiency improves obviously, simultaneously, battery-driven car is provided with the drive wheel slided on guide rail, under the drive wheel of battery-driven car, drive is moved together with the pulley hook groups of banana ears, the workman can control the running of battery-driven car by hand-held remote controller, safety of operation, simply, convenient, in addition, battery-driven car is provided with auxiliary balance device, guarantee that battery-driven car can automatically keep balance when sliding.
The accompanying drawing explanation
Fig. 1 is the structural representation of electric banana transporting system of the present invention;
Fig. 2 is the birds-eye view of curved rail transport systems shown in Fig. 1 (not containing support);
Fig. 3 is the structural representation of support shown in Fig. 1;
Fig. 4 is the front view of embodiment 1 dual-motor electric car;
Fig. 5 is the left view of embodiment 1 dual-motor electric car;
Fig. 6 is the birds-eye view of embodiment 1 dual-motor electric car;
Fig. 7 is the front view of the single motor powered car of embodiment 2;
Fig. 8 is the left view of the single motor powered car of embodiment 2;
Fig. 9 is the birds-eye view of the single motor powered car of embodiment 2;
Figure 10 is the front view of pulley hitch gear;
Figure 11 is the birds-eye view of pulley hitch gear.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of electric banana transporting system, comprise support 1, battery-driven car 3, pulley hook groups 5, guide rail 2 and connecting strap 7, guide rail 2 is installed on support 1, described battery-driven car 3 and pulley hook groups 5 all are located on guide rail 2, and connecting strap 7 two ends connect respectively battery-driven car 3 and pulley hook groups 5.The bottom of described support 1 fixes on the ground, the common supporter that forms transport systems of spaced support 1, guide rail 2 is fixed on support 1 for round tube and by welding or bolted mode, and guide rail 2 levels are laid and the junction transitions smooth, for battery-driven car 3 provides the transportation guiding.
As Fig. 4, shown in Fig. 5 and Fig. 6, described battery-driven car 3 comprises identical actuating device two covers, adapter plate 12, clump weight 15, suspension hook 11 and electrical controller 99, described actuating device comprises the first motor 10, axle drive shaft 14 and drive wheel 13, wherein axle drive shaft 14 two ends are arranged on respectively on adapter plate 12 and clump weight 15 by bearing, drive wheel 13 is sleeved on axle drive shaft 14, and be placed between adapter plate 12 and clump weight 15, the first motor 10 is fixed on adapter plate 12 by bearing seat, the output shaft of the first motor 10 is connected with axle drive shaft 14 by drop-gear box, described suspension hook 11 upper ends are passed adapter plate 12 centers and are fixed on clump weight 15, electrical controller 99 is installed on suspension hook 11, suspension hook 11 is provided with the U-shaped frame, connecting strap 7 is articulated on the U-shaped frame of suspension hook 11, electrical controller 99 is electrically connected to and is hung on the hook 22 of suspension hook 11 with the first motor 10, battery-driven car 3 matches and is placed on guide rail 2 with guide rail 2 by drive wheel 13.The two identical actuating device positions of cover are symmetrically placed in the both sides of suspension hook 11, and the drive wheel 13 of two cover actuating devices all matches and is placed on guide rail 2 with guide rail 2.Battery-driven car 3 also is provided with first, second auxiliary balance device, first, second auxiliary balance device comprises respectively first, second balance wheel 18,18a, first, second bearing seat 17,17a and first, second balance shaft 28,28a, the first balance shaft 28 two ends are arranged on respectively on clutch shaft bearing seat 17 by bearing, the first balance wheel 18 is sleeved on the first balance shaft 28, the first balance wheel 18 and guide rail 2 laminatings, clutch shaft bearing seat 17 is installed on adapter plate 12 by spring 16; It is upper that secondary balance shaft 28a two ends are arranged on respectively the second bearing seat 17a by bearing, and it is upper that the second balance wheel 18a is sleeved on secondary balance shaft 28a, the second balance wheel 18a and guide rail 2 laminatings, and the second bearing seat 17a is installed on clump weight 15 by spring 16; Described first, second balance wheel 18,18a symmetry respectively are positioned at guide rail 2 both sides.As shown in Figure 4, Figure 5 and Figure 6, described battery-driven car 3 adopts two worm and gear decelerators 10,10a, electrical motor 10, the placement direction of 10a on guide rail 2 are down, the set groove inner peripheral surface of drive wheel 13 should have enough roughnesss, to guarantee between drive wheel 13 and guide rail 2 to produce enough friction force, for driving electric car 3 and the pulley hook groups 5 that hangs with banana ears 6, steadily move.
As shown in Figure 10 and Figure 11, described pulley hook groups 5 comprises several pulley hitch gears 55, and several pulley hitch gears 55 are placed in respectively on guide rail 2, and adjacent two pulley hitch gears 55 connect by connecting strap 5, pulley hitch gear 55 comprises two pulleys 21 and hook 22 and pulley mount pad 23, two pulleys 21 are installed in respectively on pulley mount pad 23, hook 22 is fixed on pulley mount pad 23, described hook 22 also is provided with U-shaped 24, the two ends of connecting strap 7 are connected with U-shaped 24 of adjacent two pulley hitch gears 55 respectively, pulley hitch gear 55 matches and is installed on guide rail 2 between battery-driven car 3 and pulley hook groups 5 and all is connected with connecting strap 7 between each pulley hitch gear 55 by pulley 21 and guide rail 2, connecting strap 7 two ends are provided with hole slot, for being socketed in the hook U-shaped frame of each pulley hitch gear 55 or battery-driven car 3.The length of connecting strap 7 is larger than whole flavour passage any of several broadleaf plants fruit ear 6 diameters, makes to keep certain distance between adjacent two flavour passage any of several broadleaf plants fruit ears 6, prevents from the process of transporting producing the damage of colliding with.
In the present embodiment, described electrical controller 99 comprises control circuit, receiver of remote-control sytem 8, remote-controlled transmitter, power supply and control box 9, wherein, receiver of remote-control sytem 8 is electrically connected to control circuit, and power supply and control circuit are positioned in control box 9, and receiver of remote-control sytem 8 is installed on control box 9 main panels, should prevent the shielding of stop signal when guaranteeing the connection terminal waterproof, receiver of remote-control sytem 8 all is electrically connected to power supply with first, second electrical motor 10, the 10a of battery-driven car 3.Remote-controlled transmitter is by the hand-held manipulation of workman, for the hand of rotation of first, second electrical motor 10 of controlling described battery-driven car 3,10a simultaneously, rotate and stop.
The banana transportation resources realized by above-mentioned electric banana transporting system, comprise the steps:
(1) lay in advance support 1 and guide rail 2 in banana plantation, during use, battery-driven car 3 and pulley hook groups 5 are placed on guide rail 2, and will connect between battery-driven car 3 and pulley hook groups 5 and each pulley hitch gear 55 with connecting strap 7.
(2) connection terminal on the main panel of the power cord connector of the electrical motor of battery-driven car 3 10,10a and control box 9 is pegged graft, the source switch on the main panel of the control box 9 of connection motor block 3, and guarantee that remote controller 8 is in running order.
(3) handle the transmitter button that the workman controls remote controller 8, start two electrical motors 10, the 10a of battery-driven car 3 simultaneously, drive axle drive shaft 14 rotations after electrical motor 10,10a energising, and then the drive wheel 13 that makes to be fixed on axle drive shaft 14 rotates.Under the combined action of the friction force between drive wheel 13 and guide rail 2, drive wheel 13 drive torques, battery-driven car 3 moves on guide rail 2.Connecting strap 7 is for transmitting tractive power and prevent damaging between banana ears 6, and pulley hook groups 5 is subject to the tractive force of connecting strap 7, also with the movement of battery-driven car 3, moves in the same way.
(4) when battery-driven car 3 arrives a certain Banana sink, the workman controls the transmitter button of remote controller 8, and two electrical motors 10,10a of battery-driven car 3 are stopped operating, and then control battery-driven car 3 stops moving ahead.The workman of Banana sink hangs over the banana ears 6 of having plucked on the hook 22 of the pulley hitch gear 55 that does not still hang with banana, handle the workman by controlling the transmitter button of remote controller 8, start battery-driven car 3 and continue to move ahead, pulley hook groups 5 and the banana ears 6 hung over above it also move along guide rail toward same direction.
(5) when arriving the workshop of receiving processing stand, handle the transmitter button that the workman controls remote controller 8 again, two electrical motors 10,10a of battery-driven car 3 are stopped operating, and then control battery-driven car 3, pulley hook groups 5 and hang over banana ears 6 above it and stop mobilely, wait for the cleaning of adopting the post-processing workman and fall to combing operation.
Embodiment 2
The present embodiment difference from Example 1 is, as shown in Figure 7, Figure 8 and Figure 9, in the present embodiment, 3 of battery-driven cars are equipped with the first electrical motor 10, and the second motor 10a is not installed, and only include a set of actuating device and a set of hunting gear.
Above-described embodiment is only preferred embodiment of the present invention, not is used for limiting practical range of the present invention.Be that all equalizations of doing according to content of the present invention change and modify, all contained by the claims in the present invention scope required for protection.

Claims (6)

1. an electric banana transporting system, it is characterized in that, comprise support (1), battery-driven car (3), pulley hook groups (5), guide rail (2) and connecting strap (7), guide rail (2) is installed on support (1), it is upper that described battery-driven car (3) and pulley hook groups (5) all are located at guide rail (2), and connecting strap (7) two ends are connected with pulley hook groups (5) with battery-driven car (3) respectively;
Described battery-driven car (3) comprises actuating device, adapter plate (12), clump weight (15), suspension hook (11) and electrical controller (99), described actuating device comprises the first motor (10), axle drive shaft (14) and drive wheel (13), wherein axle drive shaft (14) two ends are arranged on respectively on adapter plate (12) and clump weight (15) by bearing, drive wheel (13) is sleeved on axle drive shaft (14), and be placed between adapter plate (12) and clump weight (15), the first motor (10) is fixed on adapter plate (12), the output shaft of the first motor (10) is connected with axle drive shaft (14), suspension hook (11) upper end is passed adapter plate (12) center and is fixed on clump weight (15), electrical controller (99) is installed on suspension hook (11), described suspension hook (11) is provided with U shape frame, connecting strap (7) is articulated on the U shape frame of suspension hook (11), electrical controller (99) is electrically connected to and is hung on the hook (22) of suspension hook (11) with the first motor (10), battery-driven car (3) matches and is placed on guide rail (2) with guide rail (2) by drive wheel (13).
2. according to the described electric banana transporting system of claim 1, it is characterized in that, described battery-driven car (3) also comprises hunting gear, described hunting gear comprises driven shaft (19) and is sleeved on the flower wheel (20) on driven shaft (19), driven shaft (19) two ends are arranged on respectively on adapter plate (12) and clump weight (15) by bearing, flower wheel (20) aligns with drive wheel (13), and is placed on guide rail (2).
3. according to the described electric banana transporting system of claim 2, it is characterized in that, also be provided with the second motor (10a) on described adapter plate (12), the output shaft of the second motor (10a) is connected with driven shaft (19), and electrical controller (99) is electrically connected to the second motor (10a).
4. according to the described electric banana transporting system of claims 1 to 3 any one, it is characterized in that, described battery-driven car (3) also is provided with first, the second auxiliary balance device, first, the second auxiliary balance device comprises respectively first, the second balance wheel (18, 18a), first, the second bearing seat (17, 17a) and first, secondary balance shaft (28, 28a), the first balance shaft (28) two ends are arranged on respectively on clutch shaft bearing seat (17) by bearing, the first balance wheel (18) is sleeved on the first balance shaft (28), the first balance wheel (18) and guide rail (2) laminating, clutch shaft bearing seat (17) is installed on adapter plate (12) by spring (16), secondary balance shaft (28a) two ends are arranged on respectively on the second bearing seat (17a) by bearing, the second balance wheel (18a) is sleeved on secondary balance shaft (28a), the second balance wheel (18a) and guide rail (2) laminating, the second bearing seat (17a) is installed on clump weight (15) by spring (16), described first, second balance wheel (18,18a) symmetry respectively is positioned at guide rail (2) both sides.
5. electric banana transporting system according to claim 4, it is characterized in that, described pulley hook groups (5) comprises several pulley hitch gears (55), it is upper that several pulley hitch gears (55) are placed in respectively guide rail (2), and adjacent two pulley hitch gears (5) connect by connecting strap (7).
6. according to the described electric banana transporting system of claim 5, it is characterized in that, described pulley hitch gear (55) comprises two pulleys (21) and hook (22) and pulley mount pad (23), two pulleys (21) are installed in respectively on pulley mount pad (23), hook (22) is fixed on pulley mount pad (23), described hook (22) also is provided with U type frame (24), the two ends of connecting strap (7) are connected with the U type frame (24) of adjacent two pulley hitch gears (55) respectively, pulley hitch gear (55) matches and is installed on guide rail (2) with guide rail (2) by pulley (21).
CN2011103339659A 2011-10-28 2011-10-28 Electric banana transporting system Active CN102502199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103339659A CN102502199B (en) 2011-10-28 2011-10-28 Electric banana transporting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103339659A CN102502199B (en) 2011-10-28 2011-10-28 Electric banana transporting system

Publications (2)

Publication Number Publication Date
CN102502199A CN102502199A (en) 2012-06-20
CN102502199B true CN102502199B (en) 2013-12-04

Family

ID=46214351

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103339659A Active CN102502199B (en) 2011-10-28 2011-10-28 Electric banana transporting system

Country Status (1)

Country Link
CN (1) CN102502199B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103584264B (en) * 2013-11-06 2015-09-30 华南农业大学 Can the slotting cut variable diameters banana of self adaptation banana fringe shank diameter axle be gone to fall chasing tool
CN103662698B (en) * 2013-11-21 2016-07-20 广西金穗农业集团有限公司 A kind of Fructus Musae is without hindering Simple and Easy Conveyor System
CN107298292B (en) * 2017-05-24 2019-10-29 真玫智能科技(深圳)有限公司 A kind of hanging transport device and clothing system
CN108861395A (en) * 2018-07-10 2018-11-23 张铭勇 A kind of Novel hung tractor
CN108862013A (en) * 2018-08-30 2018-11-23 安徽江淮汽车集团股份有限公司 A kind of cab hanger and lifting system
CN111392356A (en) * 2020-03-30 2020-07-10 唯实先端智能科技(苏州)有限公司 Connecting structure of conveyer
CN112224630A (en) * 2020-09-25 2021-01-15 董有刚 Fastener group convenient to use during carrying of shared bicycle and use method thereof
CN115024093B (en) * 2022-06-27 2024-02-13 华南农业大学 Rail suspension type orchard mechanical device and method for picking fruits on high branches thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658610A (en) * 1951-03-22 1953-11-10 Winston And Newell Company Conveyer for banana bunches
US5199580A (en) * 1991-08-13 1993-04-06 Bankier Companies, Inc. Banana carrier
JPH11208859A (en) * 1998-01-26 1999-08-03 Nobuyuki Tsuboi Conveying system
CN2450175Y (en) * 2000-10-08 2001-09-26 无锡南方天奇物流机械有限公司 Chain-free friction overhead conveyer
CN1178827C (en) * 2002-08-26 2004-12-08 江苏天奇物流系统工程股份有限公司 Two rail five car side drag circular suspension delivery machine

Also Published As

Publication number Publication date
CN102502199A (en) 2012-06-20

Similar Documents

Publication Publication Date Title
CN102502199B (en) Electric banana transporting system
CN106430027B (en) A kind of system and method for realizing eminence hanging operation using multi-rotor unmanned aerial vehicle
CN108944959A (en) A kind of dedicated rail Transport Machinery equipment in mountainous region
CN103818834A (en) Loading and unloading machine, vehicle-mounted loading and unloading vehicle and walking-type loading and unloading vehicle
CN201901404U (en) Conveyer suspended in greenhouse
CN204967138U (en) Portable aerial [insulated] cable lays auxiliary device
CN105815129A (en) Walking type tea tree pruning machine
CN204968606U (en) Full -automatic rope device that send
CN201854569U (en) Pineapple picker
CN203820325U (en) Loading and unloading machine, vehicle-mounted type loading and unloading car and walking type loading and unloading car
CN205527011U (en) Economize electric power cable conveyer
CN205694498U (en) Pruning tool for the automatic pollard robot of overhead transmission line
CN205193919U (en) Automatic output ballot box device
CN209096789U (en) A kind of dead pig transfer car(buggy)
CN104069990A (en) Carpet glue coating and drying equipment
CN204341243U (en) Banana field transport trolley
CN209151611U (en) A kind of multifunctional fruit picking screening machine
CN202389909U (en) Releasing power transmission device with driving wheel pair and steel wire ropes matched
CN202912516U (en) Transmitting rope storing barrel
CN206705137U (en) A kind of primary and secondary ferry bus
CN206109467U (en) Remote control heat treatment furnace feed dolly
CN105128958A (en) Crawler-type banana field transport trolley
CN213326029U (en) Multifunctional cable wire barrow
CN203306033U (en) Carriage traction machine
CN204453903U (en) Belt conveyor Truck

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant