CN207375688U - A kind of lift truck with hopper - Google Patents
A kind of lift truck with hopper Download PDFInfo
- Publication number
- CN207375688U CN207375688U CN201721305730.8U CN201721305730U CN207375688U CN 207375688 U CN207375688 U CN 207375688U CN 201721305730 U CN201721305730 U CN 201721305730U CN 207375688 U CN207375688 U CN 207375688U
- Authority
- CN
- China
- Prior art keywords
- gear
- support
- hopper
- lift truck
- stabilized platform
- 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
Links
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model is related to a kind of lift trucks with hopper, the lift truck includes elevator, universal wheel is provided with below elevator, stabilising arrangement is provided with below elevator, stabilising arrangement includes stabilized platform, the one side Symmetrical vertical on stabilized platform towards ground is welded with support plate, the both ends revolving support of two pieces of support plates has transmission shaft, two transmission shafts support gear there are two being fixed by socket respectively in the homonymy of two pieces of support plates, support gear is respectively arranged with opening towards the U-shaped slideway of support gear in same direction, the end of U-shaped slideway is welded on stabilized platform, the support rack for stretching out stabilized platform is placed in U-shaped slideway, support rack is meshed with support gear, support rack is welded with away from one end of stabilized platform to be contradicted to the stable disk on ground, the retaining mechanism that transmission shaft is prevented to rotate is provided on transmission shaft.Stable disk contacts at ground always in discharge process, increases stability during lift truck unloading materials.
Description
Technical field
The utility model is related to lift truck technical field, more particularly to a kind of lift truck with hopper.
Background technology
Lift truck is common material transfer equipment in food production, and material can be transported to height by lift truck by lower
Material is transported to lower by place by eminence.Lift truck can also facilitate in ground moving, will after material is moved to suitable position
Universal wheel locking on lift truck, starts elevator and carries out lifting material.
Since the material in food production is often loose unpacked material, loose unpacked material is generally required to be loaded using hopper,
So the top of elevator is provided with hopper, to facilitate the conveying of loose unpacked material, meanwhile, whens unloading materials, which can pass through, tilts material
The mode of bucket, conveniently and efficiently unloading materials.But when carrying out discharging operations, since hopper tilts, lift truck mass centre changing rises
Dropping vehicle stability reduces, and only by locking universal wheel, to support lift truck, there are security risks.
Utility model content
The purpose of this utility model is to provide a kind of lift truck with hopper, the bottom of lift truck is provided with stable dress
It puts, stabilising arrangement contradicts to ground the fixation so as to fulfill lift truck, has the lift truck with hopper and is protected in discharge process
Keep steady the advantages of determining.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of lifting with hopper
Vehicle including elevator, is provided with universal wheel below the elevator, stabilising arrangement is provided with below the elevator, described steady
Determining device includes stabilized platform, and the one side Symmetrical vertical on the stabilized platform towards ground is welded with support plate, two pieces of branch
The both ends revolving support of fagging has transmission shaft, there are two two transmission shafts are fixed by socket respectively in the homonymy of two pieces of support plates
Gear is supported, the support gear is respectively arranged with opening towards the U-shaped slideway of support gear, the U-shaped cunning in same direction
The end in road is welded on stabilized platform, and the support rack for stretching out stabilized platform, the support rack are placed in the U-shaped slideway
It is meshed with support gear, the support rack is welded with away from one end of stabilized platform to be contradicted to the stable disk on ground, described
The retaining mechanism that transmission shaft is prevented to rotate is provided on transmission shaft.
By using above-mentioned technical proposal, rotation axis rotates, and so as to which support gear be driven to rotate, support gear, which rotates, to be driven
Support rack is slided along U-shaped slideway, until stable disk is contacted on ground, at this point, being fixed rotation axis using retaining mechanism, is made
Stable disk contacts at ground always in discharge process.Stable disk props up the lift truck with controllable hopper, increases lift truck
Stability during unloading materials.
The utility model is further arranged to:The retaining mechanism includes being fixed by socket respectively in the on two transmission shafts
One gear and second gear are socketed with driving-chain between the first gear and second gear, the support plate is in the first tooth
Welding is provided with fixing axle between wheel and second gear, and the locking teeth being meshed with first gear is equipped in the fixing axle
Wheel, the free end of the fixing axle are installed with locking nut, and the first tooth of driving is fixedly installed on the end face of the first gear
Take turns the actuator of rotation.
By using above-mentioned technical proposal, actuator driving first gear rotates, so as to make second gear by driving-chain
It rotates synchronously.First gear and second gear rotate, so as to drive two connected transmission shaft rotations.When stable disk contacts at ground
Behind face, locking nut is tightened, so as to fulfill the fixation of lift truck.
The utility model is further arranged to:The actuator is handle.
By using above-mentioned technical proposal, rotation handle can facilitate revolving first gear.
The utility model is further arranged to:The first gear is identical with second gear structure size.
By using above-mentioned technical proposal, first gear is identical with second gear structure size, and driving-chain is in the mistake of transmission
More stablize in journey.
The utility model is further arranged to:The first gear is located at the outside of support plate with second gear.
By using above-mentioned technical proposal, revolving first gear can be facilitated outside support plate, so as to facilitate stabilization
Disk is contacted on ground.
The utility model is further arranged to:Supporting plate is fixedly installed at the top of the elevator, is set above the supporting plate
Controllable hopper is equipped with, one side of the controllable hopper and supporting plate abutted surface is provided with switching mechanism.
By using above-mentioned technical proposal, can be facilitated using switching mechanism will be specified below the material inside controllable hopper
Place.
The utility model is further arranged to:The switching mechanism include be fixed on deck end turnover hinge and
The overturning oil cylinder being individually fixed between supporting plate and controllable hopper.
By using above-mentioned technical proposal, overturning oil cylinder is opened, overturning oil cylinder promotes controllable hopper to be rotated around turnover hinge,
So as to which the material inside controllable hopper be poured out.
The utility model is further arranged to:The end face on the stable disk towards ground is provided with skid resistance strip.
By using above-mentioned technical proposal, skid resistance strip increases the friction force between stable disk and ground.
In conclusion the utility model has the advantages that:When locking nut is not tightened, handle is around first gear
Axis rotation, so as to which first gear be driven to rotate.First gear rotates, so as to by driving-chain second gear be made synchronously to turn
It is dynamic.First gear and second gear rotate, so as to drive two connected transmission shaft rotations.When transmission shaft is around own axis
When, transmission shaft drives support gear to rotate, and support gear, which rotates, drives support rack to be slided along U-shaped slideway, until stable disk is supported
It touches on ground.At this point, stable disk props up the lift truck with controllable hopper, increase stabilization during lift truck unloading materials
Property.After stable disk contacts at ground, locking nut is tightened, so as to fulfill the fixation of lift truck.
Description of the drawings
Fig. 1 is lift truck structure diagram;
Fig. 2 is stabilising arrangement structure diagram;
Fig. 3 is stabilising arrangement internal drive structure diagram;
Fig. 4 is locking mechanism structure schematic diagram;
Fig. 5 is controllable hopper construction schematic diagram;
Fig. 6 is the controllable hopper A-A sectional views of Fig. 5;
Fig. 7 is enlarged drawing at the controllable hopper B of Fig. 5.
In figure, 1, stabilising arrangement;11st, retaining mechanism;111st, locking gear;112nd, fixing axle;113rd, driving-chain;114th, hand
Handle;115th, locking nut;116th, first gear;117th, second gear;12nd, support component;121st, rack is supported;122nd, tooth is supported
Wheel;123rd, U-shaped slideway;124th, stable disk;125th, transmission shaft;13rd, stabilized platform;14th, support plate;2nd, elevator;It 3rd, can material controlling
Bucket;31st, hopper shell;311st, baffle square bar;312nd, hopper batten;32nd, hopper baffle;321st, first baffle;322nd, second gear
Plate;323rd, damper shaft;324th, reinforcing plate;325th, third baffle;33rd, hold-down mechanism;331st, compression axis;332nd, locating piece;3321、
Mounting hole;333rd, bolt is compressed;334th, compact heap;335th, compression torsion spring;336th, torsional spring block;337th, six sides are compressed;4th, universal wheel;
5th, switching mechanism;51st, overturning oil cylinder;52nd, turnover hinge;6th, supporting plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment 1
A kind of lift truck with hopper, as shown in Figure 1, the stabilising arrangement 1 including being positioned over ground, is fixed on stabilising arrangement
1 elevator 2 and the controllable hopper 3 for being arranged at 2 top of elevator.
With reference to Fig. 1 and Fig. 2, stabilising arrangement 1 includes stabilized platform 13, and stabilized platform 13 is towards the one side Symmetrical vertical on ground
Support plate 14 is welded with, the four corners of stabilized platform 13 are respectively arranged with the support component 12 for being supported in ground, support component 12
Between two pieces of support plates 14.Stabilized platform 13 is fixedly installed universal wheel 4 in the inside of support component 12, and lift truck can be with
It realizes and moves by universal wheel 4.
With reference to Fig. 2 and Fig. 3, support component 12 includes difference revolving support in the transmission at symmetrical 14 both ends of support plate
Axis 125, two transmission shafts 125 are fixed by socket respectively in the homonymy of two pieces of support plates 14 there are two support gear 122, and four support
Gear 122 is respectively arranged with U-shaped slideway 123 in same direction, and the end of U-shaped slideway 123 is welded on stabilized platform 13, together
When, the opening direction support gear 122 of U-shaped slideway 123.The support rack for stretching out stabilized platform 13 is placed in U-shaped slideway 123
121, support rack 121 is meshed with support gear 122, and support rack 121 is in the U-shaped slideway of drive lower edge of support gear 122
123 length direction movement.In order to increase support rack 121 and the contact area on ground, support rack 121 deviates from stabilized platform
13 one end is welded with stable disk 124, and the one end on stable disk 124 towards ground is provided with skid resistance strip.
With reference to Fig. 2 and Fig. 3, for fixed conveyor axis 125, the end set of transmission shaft 125 has retaining mechanism 11.Locking machine
Structure 11 include be fixed by socket respectively in the first gear 116 on two transmission shafts 125 and with 116 structure size phase of first gear
Same second gear 117, first gear 116 are located at the outside of support plate 14 with second gear 117.First gear 116 and second
Driving-chain 113 is socketed between gear 117.
With reference to Fig. 3 and Fig. 4, support plate 14 welds between first gear 116 and second gear 117 and is provided with fixing axle
112, the locking gear 111 rotated around 112 axis of fixing axle, locking gear 111 and first gear are equipped in fixing axle 112
116 engagements.The free end of fixing axle 112 is installed with locking nut 115, and handle is fixedly installed on the end face of first gear 116
114.When locking nut 115 is not tightened, handle 114 is rotated around the axis of first gear 116, so as to drive first gear 116
It rotates.First gear 116 rotates, so as to rotate synchronously second gear 117 by driving-chain 113.First gear 116 and second
Gear 117 rotates, so as to drive two connected 125 rotations of transmission shaft.When transmission shaft 125 is around own axis, transmission
Axis 125 drives support gear 122 to rotate, and support gear 122, which rotates, drives support rack 121 to be slided along U-shaped slideway 123, until
Stable disk 124 is contacted on ground.At this point, stable disk 124 props up lift truck, increase stabilization during lift truck unloading materials
Property.After stable disk 124 contacts at ground, locking nut 115 is tightened, so as to fulfill the fixation of lift truck.
With reference to Fig. 1, elevator 2 is located at the top of stabilized platform 13, after opening elevator 2, adjusts controllable hopper 3 to corresponding
Lower discharge position.
With reference to Fig. 1 and Fig. 5, the top of elevator 2 is fixedly installed supporting plate 6, and controllable hopper 3 is located at 6 top of supporting plate.In order to
Facilitate and realize that controllable hopper 3 is overturn, one side of controllable hopper 3 and 6 abutted surface of supporting plate is provided with switching mechanism 5.Switching mechanism 5 wraps
The overturning oil cylinder 51 for including the turnover hinge 52 for being fixed on 6 end of supporting plate and being individually fixed between supporting plate 6 and controllable hopper 3,
Overturning oil cylinder 51 is opened, overturning oil cylinder 51 promotes controllable hopper 3 to be rotated around turnover hinge 52, thus will be inside controllable hopper 3
Material is poured out.
With reference to Fig. 1 and Fig. 5, controllable hopper 3 includes the hopper shell 31 for being hingedly arranged at supporting plate 6, and hopper shell 31 is top
Hold open hollow cuboid.Hopper shell 31 is feed opening close to the side of turnover hinge 52, and being provided at feed opening can be with
It opens in order to the hopper baffle 32 of blanking.Hopper shell 31 is fixed in the both sides vertical welding of hopper baffle 32 and is mutually parallel
Hopper batten 312, hopper batten 312 stretch out hopper shell 31.Four corners inside hopper shell 31 are respectively welded solid
Surely there is the baffle square bar 311 that surface fits in 31 inner surface of hopper shell, baffle square bar 311 ensures that 31 structure of hopper shell is steady
It is fixed.
With reference to Fig. 1 and Fig. 6, hopper baffle 32 includes first baffle vertical welding between two hopper battens 312
321, the top of first baffle 321 is flushed with the top of hopper shell 31, and the bottom of first baffle 321 extends to hopper batten
312 away from its top 1/3rd at.Meanwhile reinforcing plate 324, reinforcing plate 324 are fixedly installed between two hopper battens 312
At 2/3rds of hopper batten 312 away from its top.Reinforcing plate 324 reduces the deformation probability of hopper shell 31, increases material
The stability of bucket housing 31.Revolving support has damper shaft 323 between two hopper battens 312, and damper shaft 323 is located at first baffle
321 towards the end of supporting plate 6, and the second baffle 322 rotated around damper shaft 323 is equipped in damper shaft 323.Second baffle 322
Free end contradict to the surface of reinforcing plate 324.Feed opening bottom is provided with the third baffle consistent with 322 structure of second baffle
325, third baffle 325 and second baffle 322 the difference is that, the opening direction of third baffle 325 is in second baffle 322
Opening direction it is opposite.First baffle 321, second baffle 322, third baffle 325 and 324 collective effect of reinforcing plate are by blanking
Mouth closing.
With reference to Fig. 6 and Fig. 7, backwards to the setting of the one side of hopper shell 31, there are two compress second baffle to reinforcing plate 324 respectively
322 with the hold-down mechanism 33 of third baffle 325.Hold-down mechanism 33 includes the locating piece 332 for being welded in 324 both ends of reinforcing plate, fixed
Compression axis 331 is equipped on the block 332 of position, meanwhile, the both ends revolving support of compression axis 331 is on hopper batten 312.
With reference to Fig. 5 and Fig. 7, one end interference fit that compression axis 331 stretches out hopper batten 312 has six sides 337 of compression, rotates
Compressing six sides 337 can realize that compression axis 331 can be around own axis.
With reference to Fig. 6 and Fig. 7, the intermediate fixing sleeve of compression axis 331 is connected to torsional spring block 336, meanwhile, it is socketed on compression axis 331
There is compression torsion spring 335, center section and the torsional spring block 336 of compression torsion spring 335 contradict, 335 both ends of compression torsion spring and second baffle
322 contradict, and compression torsion spring 335 is made to compress second baffle 322.Compression axis 331 is symmetrically arranged with pressure in the both sides of compression torsion spring 335
Tight block 334, compact heap 334 are interference fitted with compression axis 331, and free end and the second baffle 322 of compact heap 334 contradict.
With reference to Fig. 6 and Fig. 7, locating piece 332 offers mounting hole 3321 in the joint of locating piece 332 and compression axis 331,
It is equipped in mounting hole 3321 and compresses bolt 333, compressed bolt 333 through compression axis 331, make compact heap 334 and compression torsion spring
335 contact at second baffle 322.It extracts after compressing bolt 333, compression bolt 333 relieves the fixation to compression axis 331, pressure
Mandrel 331 is around own axis, so as to which compact heap 334 and torsional spring block 336 be driven to rotate.336 turns of compact heap 334 and torsional spring block
Dynamic, compact heap 334 and compression torsion spring 335 relieve the constraint to second baffle 322 and third baffle 325, second baffle 322
It is rotated with third baffle 325 around damper shaft 323, so as to which feed opening be opened, realizes the decentralization of material.
A kind of lift truck with hopper, it is as follows using process:
After the lift truck equipped with material is moved to suitable position, rotational handle 114 makes stable disk 124 be supported with ground
It touches, tightens locking nut 115 afterwards, 124 position of stable disk is fixed.Elevator 2 is opened, is moved to controllable hopper 3 predetermined
After lower discharge position, the control elongation of overturning oil cylinder 51 makes controllable hopper 3 be rotated around turnover hinge 52.At this point, take out second baffle 322
The compression bolt 333 at place, second baffle 322 rotate, and pour out the material in controllable hopper 3.Afterwards, continue to take out third baffle
Compression bolt 333 at 325, third baffle 325 rotate, at this point, the material in controllable hopper 3 is all poured out.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. including elevator (2), universal wheel (4) is provided with below the elevator (2) for a kind of lift truck with hopper, special
Sign is:Stabilising arrangement (1) is provided with below the elevator (2), the stabilising arrangement (1) includes stabilized platform (13), institute
The one side Symmetrical vertical for stating stabilized platform (13) towards ground is welded with support plate (14), the both ends of two pieces of support plates (14)
Revolving support has transmission shaft (125), and two transmission shafts (125) are nested and fixed respectively in the homonymy of two pieces of support plates (14)
Two support gears (122), the support gear (122) are respectively arranged with opening towards support gear (122) in same direction
U-shaped slideway (123), the end of the U-shaped slideway (123) is welded on stabilized platform (13), in the U-shaped slideway (123)
The support rack (121) for stretching out stabilized platform (13) is placed, the support rack (121) is meshed with support gear (122), institute
It states support rack (121) and is welded with conflict to the stable disk (124) on ground, the transmission shaft away from one end of stabilized platform (13)
(125) retaining mechanism (11) that transmission shaft (125) is prevented to rotate is provided on.
2. a kind of lift truck with hopper according to claim 1, it is characterised in that:The retaining mechanism (11) includes dividing
It is not fixed by socket in first gear (116) and second gear (117) on two transmission shafts (125), the first gear
(116) driving-chain (113) is socketed between second gear (117), the support plate (14) is in first gear (116) and second
Welding is provided with fixing axle (112) between gear (117), is equipped on the fixing axle (112) and is mutually nibbled with first gear (116)
The locking gear (111) of conjunction, the free end of the fixing axle (112) are installed with locking nut (115), the first gear
(116) actuator that driving first gear (116) rotates is fixedly installed on end face.
3. a kind of lift truck with hopper according to claim 2, it is characterised in that:The actuator is handle (114).
4. a kind of lift truck with hopper according to claim 2, it is characterised in that:The first gear (116) and the
Two gears (117) structure size is identical.
5. a kind of lift truck with hopper according to claim 4, it is characterised in that:The first gear (116) and the
Two gears (117) are located at the outside of support plate (14).
6. a kind of lift truck with hopper according to claim 1, it is characterised in that:The top of the elevator (2) is consolidated
Surely supporting plate (6) is provided with, is provided with controllable hopper (3) above the supporting plate (6), the controllable hopper (3) connects with supporting plate (6)
The one side in face is provided with switching mechanism (5).
7. a kind of lift truck with hopper according to claim 6, it is characterised in that:The switching mechanism (5) includes solid
Due to supporting plate (6) end turnover hinge (52) and be individually fixed between supporting plate (6) and controllable hopper (3) overturning oil
Cylinder (51).
8. a kind of lift truck with hopper according to claim 1, it is characterised in that:Stable disk (124) the direction ground
The end face in face is provided with skid resistance strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721305730.8U CN207375688U (en) | 2017-10-11 | 2017-10-11 | A kind of lift truck with hopper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721305730.8U CN207375688U (en) | 2017-10-11 | 2017-10-11 | A kind of lift truck with hopper |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207375688U true CN207375688U (en) | 2018-05-18 |
Family
ID=62339162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721305730.8U Expired - Fee Related CN207375688U (en) | 2017-10-11 | 2017-10-11 | A kind of lift truck with hopper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207375688U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112158773A (en) * | 2020-09-27 | 2021-01-01 | 苏州品超智能设备有限公司 | Mobile loading robot and use method |
CN113816160A (en) * | 2020-09-25 | 2021-12-21 | 溆浦县东新矿业有限公司 | Material lifting equipment for ore collection for mining industry |
CN116923945A (en) * | 2023-09-15 | 2023-10-24 | 山西中科华诺机械装备有限公司 | Vertical lifting warehouse for material storage |
-
2017
- 2017-10-11 CN CN201721305730.8U patent/CN207375688U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113816160A (en) * | 2020-09-25 | 2021-12-21 | 溆浦县东新矿业有限公司 | Material lifting equipment for ore collection for mining industry |
CN112158773A (en) * | 2020-09-27 | 2021-01-01 | 苏州品超智能设备有限公司 | Mobile loading robot and use method |
CN112158773B (en) * | 2020-09-27 | 2022-05-27 | 苏州品超智能设备有限公司 | Mobile loading robot and use method |
CN116923945A (en) * | 2023-09-15 | 2023-10-24 | 山西中科华诺机械装备有限公司 | Vertical lifting warehouse for material storage |
CN116923945B (en) * | 2023-09-15 | 2023-11-17 | 山西中科华诺机械装备有限公司 | Vertical lifting warehouse for material storage |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207375688U (en) | A kind of lift truck with hopper | |
US20090067965A1 (en) | Side-loading refuse collection apparatus and method | |
CN206939231U (en) | A kind of blanking device of sealing machine | |
CN207219205U (en) | A kind of reliability cabinet of rotatable handles | |
CN111396552B (en) | Convenient door closure walking type quick-opening container | |
CN207375681U (en) | Lift truck with the controllable hopper of discharging | |
CN202576336U (en) | Coke feeding device | |
CN106629501A (en) | Unloading assisting device of liquefied natural gas | |
CN211310179U (en) | Turnover dumping machine | |
CN209287240U (en) | Feeding device is used in a kind of production of medicine intermediate | |
CN112644540B (en) | Safety guarantee system for underground space of mine | |
CN205891711U (en) | Half fluid material transportation container | |
CN210854470U (en) | Storehouse is stored to dry powder mortar finished product of preventing educing | |
CN107777243B (en) | Large-dip-angle folding hopper type small-sized charging machine | |
CN207890703U (en) | A kind of platform adjusting apparatus between warehouse and lorry | |
CN113246830A (en) | Tipping bucket machine for construction | |
CN207173408U (en) | A kind of dumper of easy-unloading | |
CN207045188U (en) | The bucket tipping gear and dump truck of bonnet linkage folding | |
CN207954078U (en) | A kind of capstan head blanking tool | |
CN206839161U (en) | Powder raw material pulping tank | |
CN202814081U (en) | Closable sealing device used for sintering machine or belt type roasting machine | |
CN107478101A (en) | One kind opens luxuriant medicine filling device | |
CN220097855U (en) | Material distributing and transporting device for silo | |
CN218057589U (en) | Automatic unhooking platform connecting device of car dumper | |
CN203977340U (en) | A kind of pavement engineering refuse sweeping recovery vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20191011 |