CN107892251A - A kind of symmetrical crane of small portable - Google Patents
A kind of symmetrical crane of small portable Download PDFInfo
- Publication number
- CN107892251A CN107892251A CN201711006533.0A CN201711006533A CN107892251A CN 107892251 A CN107892251 A CN 107892251A CN 201711006533 A CN201711006533 A CN 201711006533A CN 107892251 A CN107892251 A CN 107892251A
- Authority
- CN
- China
- Prior art keywords
- traction
- sliding block
- hoist engine
- vehicle frame
- symmetrical
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07559—Stabilizing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07572—Propulsion arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
- B66F9/085—Multiple forks, i.e. more than one pair mounted on a single mast or with more than one mast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of symmetrical crane of small portable, including vehicle frame, it is arranged at bottom of frame and is used for the hoofing part mechanism moved horizontally for driving vehicle frame to carry out any direction and the lifting drive mechanism for traction for being symmetricly set in vehicle frame both sides；The hoist engine that lifting drive mechanism includes being used to provide traction power, the traction sliding block for driving weight lifting, the pull rope for the output power of hoist engine being delivered to traction sliding block and the traction guide for providing moving track for traction sliding block, traction sliding block is provided with the bearing bar for extracting weight outwardly, the both ends of pull rope are connected to the rotating shaft of traction sliding block and hoist engine, and pull rope is set along traction guide.The symmetrical crane is not only simple in structure, is easy for installation, it is small to occupy position, and condition of work requires low, cost is low, the safety specifications for being entirely capable of meeting needed for light-duty lifting and routine use requirement.
Description
Technical field
The present invention relates to mechanical transport field, especially a kind of symmetrical crane of small portable.
Background technology
Current most of hoisting machineries are applied to the fields such as engineering construction.Conventional Mechanism of crane has screw mandrel to lift lifting
The jack machinism of a variety of achievable hoisting functions such as mechanism, hydraulic device for lifting load, electric pushrod elevating mechanism, but hydraulic lifting
What mechanism used is mostly the Work places of high-altitude heavy-duty, and screw mandrel hoisting crane structure lifting speed is low, complicated, maintenance cost
High and easily abrasion, and crane not yet realizes miniaturization at present, it is not portable.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of symmetrical crane of small portable, not only structure
Simply, it is easy for installation, to occupy position small, and condition of work requires low, cost is low, is entirely capable of meeting the peace needed for light-duty lifting
Full technical requirements and routine use requirement.
Technical scheme is used by the present invention solves its problem：
A kind of symmetrical crane of small portable, including vehicle frame, be arranged at bottom of frame be used to driving vehicle frame to carry out it is any
The hoofing part mechanism moved horizontally in direction and the lifting drive mechanism for traction for being symmetricly set in vehicle frame both sides；
Lifting drive mechanism include be used for provide traction power hoist engine, for drive weight lift traction sliding block, for roll up
The output power for raising machine is delivered to the pull rope of traction sliding block and the traction guide for providing moving track for traction sliding block, leads
Draw sliding block and be provided with bearing bar for extracting weight outwardly, the both ends of pull rope are connected to traction sliding block and hoist engine
Rotating shaft, pull rope are set along traction guide.
Further, support frame is provided with vehicle frame, hoist engine is arranged on support frame, and the top of traction guide is set
There is the pulley for guiding pull rope, pull rope is drawn from hoist engine and is connected by pulley with traction sliding block.
Further, traction sliding block includes two pieces of symmetrical sliding block panels, and guide wheel, guide wheel are provided between two pieces of sliding block panels
It is in contact with traction guide and is moved along traction guide.
Further, hoist engine includes electric machine support, traction electric machine and reel, and electric machine support is arranged on support frame, led
Draw motor to be arranged among electric machine support, reel is arranged on the rotating shaft of traction electric machine.
Further, hoofing part mechanism includes wheel and the travel driving motor for driving wheel to rotate, wheel and row
Walk motor to connect by flange coupling, the Mecanum wheel that wheel moves for support any level direction.
Further, the both sides of vehicle frame are respectively arranged below outstanding spill position-limiting tube in lifting drive mechanism,
The opening of spill position-limiting tube is set outwardly.
Further, in addition to it is used for the remote control for controlling hoofing part mechanism and hoist engine, use is provided with remote control
In control hoist engine carries out positive/negative turn of Stroke Key, the orientation movement of the direction of motion for controlling hoofing part mechanism is pressed
Key and the power switch key for opening/closing walking drive mechanism and hoist engine.
Further, in addition to for managing the master control borad of hoofing part mechanism and hoist engine as a whole and for being carried for master control borad
For the battery of working power, master control borad and battery are installed in a circuit receiver, and circuit receiver is arranged among vehicle frame, distant
Control device and data interaction is carried out by wireless signal and master control borad.
The beneficial effects of the invention are as follows：A kind of symmetrical crane of small portable, due to only by hoofing part mechanism, lifting
Drive mechanism and vehicle frame composition, and lifting drive mechanism is only made up of hoist engine, traction sliding block, pull rope and traction guide, because
This present invention symmetrical crane have it is simple in construction, easy for installation, occupy the characteristics of position is small；Due to drawing sliding block towards peripheral hardware
The bearing bar for extracting weight is equipped with, therefore when weight is hung and is hung on bearing bar, hoist engine can pack up pull rope, this
When, under the pulling function of pull rope, traction sliding block carries out ascending motion close to traction guide, therefore bearing bar can be with leading
Draw sliding block heavy lift, so as to realize the operation of hoisting heavy；Because lifting drive mechanism is symmetricly set in vehicle frame
Both sides, therefore the lifting drive mechanism of both sides can synchronously carry out the operation of lifting heavy, so as to ensure symmetrical crane both ends
Symmetrical stably traction, prevent causes to lift by crane the problem of failing, therefore, symmetrical crane tool because of crank
There is condition of work to require low and low cost advantage, so as to meet safety specifications needed for light-duty lifting and daily make
With requiring.
Brief description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the symmetrical crane of small portable of the present invention；
Fig. 2 is the bottom schematic view of the symmetrical crane of small portable of the present invention；
Fig. 3 is the schematic diagram of remote control.
Embodiment
Reference picture 1- Fig. 2, the symmetrical crane of a kind of small portable of the invention, including vehicle frame 1, it is arranged at the bottom of vehicle frame 1
Portion is used to drive vehicle frame 1 to carry out the hoofing part mechanism moved horizontally of any direction and be symmetricly set in the use of the both sides of vehicle frame 1
In the lifting drive mechanism of traction；Lifting drive mechanism include be used for provide traction power hoist engine 6, for drive weight
Thing lifting traction sliding block 3, for the output power of hoist engine 6 be delivered to draw sliding block 3 pull rope and for for draw
Sliding block 3 provides the traction guide 4 of moving track, and traction sliding block 3 is provided with the bearing bar 9 for extracting weight, pull rope outwardly
Both ends be connected to the rotating shaft of traction sliding block 3 and hoist engine 6, pull rope sets along traction guide 4.Specifically, this hair
Bright symmetrical crane, due to being only made up of hoofing part mechanism, lifting drive mechanism and vehicle frame 1, and lifting drive mechanism is only
Be made up of hoist engine 6, traction sliding block 3, pull rope and traction guide 4, thus the symmetrical crane of the present invention have it is simple in construction,
It is easy for installation, occupy the characteristics of position is small；Because traction sliding block 3 is provided with the bearing bar 9 for extracting weight outwardly, therefore work as
When weight extension is hung on bearing bar 9, hoist engine 6 can pack up pull rope, now, under the pulling function of pull rope, traction
Sliding block 3 carries out ascending motion close to traction guide 4, therefore bearing bar 9 can get up heavy lift with traction sliding block 3, from
And realize the operation of hoisting heavy；Because lifting drive mechanism is symmetricly set in the both sides of vehicle frame 1, therefore the lifting driving of both sides
Mechanism can synchronously carry out the operation of lifting heavy, so as to ensure the symmetrical stably traction in symmetrical crane both ends, prevent
Appearance causes the problem of lifting failure because of crank, and therefore, there is symmetrical crane condition of work to require low and cost
Low advantage, so as to meet the safety specifications needed for light-duty lifting and routine use requirement.
Wherein, reference picture 1- Fig. 2, support frame is provided with vehicle frame 1, hoist engine 6 is arranged on support frame, traction
The top of guide rail 4 is provided with the pulley 5 for guiding pull rope, and pull rope is drawn from hoist engine 6 and slided by pulley 5 and traction
Block 3 is connected.Specifically, pulley 5 can not only be such that pull rope is smoothly moved, and can also play change pull rope
Direction effect so that pull rope can be adjacent to traction guide 4 and set, so as to ensure that traction sliding block 3 moving direction not
Deviation occurs.
Wherein, reference picture 1- Fig. 2, traction sliding block 3 include two pieces of symmetrical sliding block panels, set between two pieces of sliding block panels
Guide wheel is equipped with, guide wheel is in contact with traction guide 4 and moved along traction guide 4.Specifically, the quantity of guide wheel is one
Or more, when the quantity of guide wheel is two or more, guide wheel symmetric arrays between two pieces of sliding block panels are two rows.For example,
When the quantity of guide wheel is two, two pieces of sliding block panels and two guide wheels form a hollow shape and are enclosed on traction guide 4
On, two guide wheels symmetrically contact be oppositely arranged two faces in traction guide 4, so that traction sliding block 3 can
Swimmingly move, and can prevent from drawing the problem of sliding block 3 drops.
Wherein, reference picture 1- Fig. 2, hoist engine 6 include electric machine support 12, traction electric machine 14 and reel 13, electric machine support 12
It is arranged on support frame, traction electric machine 14 is arranged among electric machine support 12, and reel 13 is arranged at the rotating shaft of traction electric machine 14
On.Specifically, traction electric machine 14 drives reel 13 to wind pull rope, so as to realize the draw to weight.
Wherein, reference picture 1- Fig. 2, hoofing part mechanism include wheel 2 and the hoofing part for driving wheel 2 to rotate
Motor 11, wheel 2 are connected with travel driving motor 11 by flange coupling, what wheel 2 moved to support any level direction
Mecanum wheel.Specifically, Mecanum wheel is a kind of runner with special construction, can support the shifting in any level direction
It is dynamic, therefore enable to the symmetrical crane of the present invention moved horizontally, turned, the operation such as tilted direction walking.
Wherein, reference picture 1- Fig. 2, the both sides of vehicle frame 1 are outstanding in being respectively arranged below for lifting drive mechanism
Spill position-limiting tube 4, the opening of spill position-limiting tube 4 are set outwardly.Specifically, spill position-limiting tube 4 can enter to elevated weight
Row is spacing, so as to prevent weight produces in the handling process from excessively rocking, ensure that stability during heavy lift.
Wherein, reference picture 1- Fig. 3, symmetrical crane of the invention, in addition to for controlling hoofing part mechanism and elevator
The remote control 15 of machine 6, it is provided with remote control 15 for controlling Stroke Key that hoist engine 6 carries out positive/negative turn, for controlling
The orientation movement button of the direction of motion of hoofing part mechanism and the electricity for opening/closing walking drive mechanism and hoist engine 6
Source switch key.Specifically,
Wherein, reference picture 1- Fig. 3, symmetrical crane of the invention, in addition to for manage as a whole hoofing part mechanism with
The master control borad of hoist engine 6 and the battery for providing working power for master control borad, master control borad and battery are installed on circuit storage
In box 10, circuit receiver 10 is arranged among vehicle frame 1, and remote control 15 carries out data interaction by wireless signal and master control borad.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited in above-mentioned embodiment party
Formula, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (8)
- A kind of 1. symmetrical crane of small portable, it is characterised in that：Including vehicle frame (1), it is arranged at the vehicle frame (1) bottom use In the hoofing part mechanism moved horizontally for driving vehicle frame (1) the progress any direction and it is symmetricly set in the vehicle frame (1) The lifting drive mechanism for traction of both sides；The lifting drive mechanism includes being used for the hoist engine for providing traction power (6), for driving the traction sliding block (3) of weight lifting, for the output power of the hoist engine (6) to be delivered to the traction The pull rope of sliding block (3) and the traction guide (4) for providing moving track for the traction sliding block (3), the traction sliding block (3) bearing bar (9) for extracting weight is provided with outwardly, and the both ends of the pull rope are connected to the traction sliding block (3) and hoist engine (6) rotating shaft, the pull rope along the traction guide (4) set.
- A kind of 2. symmetrical crane of small portable according to claim 1, it is characterised in that：On the vehicle frame (1) Support frame is provided with, the hoist engine (6) is arranged on support frame as described above, and use is provided with the top of the traction guide (4) In the pulley (5) for guiding the pull rope, the pull rope is drawn from the hoist engine (6) and passes through the pulley (5) and institute Traction sliding block (3) is stated to be connected.
- A kind of 3. symmetrical crane of small portable according to claim 2, it is characterised in that：The traction sliding block (3) Including two pieces of symmetrical sliding block panels, guide wheel, the guide wheel and the traction guide are provided between two pieces of sliding block panels (4) it is in contact and is moved along the traction guide (4).
- A kind of 4. symmetrical crane of small portable according to claim 2, it is characterised in that：Hoist engine (6) bag Electric machine support (12), traction electric machine (14) and reel (13) are included, the electric machine support (12) is arranged on support frame as described above, institute State traction electric machine (14) to be arranged among the electric machine support (12), the reel (13) is arranged at the traction electric machine (14) On rotating shaft.
- A kind of 5. symmetrical crane of small portable according to claim 1, it is characterised in that：The hoofing part mechanism Including wheel (2) and the travel driving motor (11) for driving the wheel (2) to rotate, the wheel (2) and the walking Motor (11) is connected by flange coupling, the Mecanum wheel that the wheel (2) is moved for support any level direction.
- A kind of 6. symmetrical crane of small portable according to claim 1, it is characterised in that：The two of the vehicle frame (1) Side is in the outstanding spill position-limiting tube (7) that is respectively arranged below of the lifting drive mechanism, the spill position-limiting tube (7) Opening set outwardly.
- 7. according to a kind of any described symmetrical cranes of small portable of claim 1-6, it is characterised in that：Also include using In controlling the hoofing part mechanism and the remote control (15) of hoist engine (6), it is provided with the remote control (15) for controlling Make Stroke Key, the orientation of the direction of motion for controlling the hoofing part mechanism that the hoist engine (6) carries out positive/negative turn Mobile button and the power switch key for opening/closing the hoofing part mechanism and hoist engine (6).
- A kind of 8. symmetrical crane of small portable according to claim 7, it is characterised in that：Also include being used to plan as a whole pipe Manage the master control borad of the hoofing part mechanism and hoist engine (6) and the battery for providing working power for the master control borad, institute State master control borad and battery be installed in a circuit receiver (10), the circuit receiver (10) be arranged at the vehicle frame (1) it In, the remote control (15) carries out data interaction by wireless signal and the master control borad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006533.0A CN107892251A (en) | 2017-10-24 | 2017-10-24 | A kind of symmetrical crane of small portable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006533.0A CN107892251A (en) | 2017-10-24 | 2017-10-24 | A kind of symmetrical crane of small portable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107892251A true CN107892251A (en) | 2018-04-10 |
Family
ID=61802862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711006533.0A Pending CN107892251A (en) | 2017-10-24 | 2017-10-24 | A kind of symmetrical crane of small portable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107892251A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335999A (en) * | 2018-09-14 | 2019-02-15 | 同济大学 | Light-duty floor truck |
| CN109809329A (en) * | 2019-02-01 | 2019-05-28 | 五邑大学 | A kind of forklift |
| CN110182506A (en) * | 2019-05-09 | 2019-08-30 | 盐城品迅智能科技服务有限公司 | A kind of movable-type intelligent stacker handling platform and clamp method based on las er-guidance |
| CN112978625A (en) * | 2021-02-04 | 2021-06-18 | 太原科技大学 | Carrier vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187609A (en) * | 1999-12-28 | 2001-07-10 | Kito Corp | Stacker crane |
| CN101412491A (en) * | 2008-11-24 | 2009-04-22 | 北京康拓红外技术有限公司 | Fork mechanism of stacker |
| CN102040176A (en) * | 2010-12-27 | 2011-05-04 | 中国人民解放军军事交通学院 | Electric omnidirectional mobile lift |
| CN204454453U (en) * | 2015-02-05 | 2015-07-08 | 深圳精智机器有限公司 | Piler |
| CN205099271U (en) * | 2015-11-16 | 2016-03-23 | 无锡职业技术学院 | Novel multi -functional two -way fork truck |
| CN205838463U (en) * | 2016-07-06 | 2016-12-28 | 国信机器人无锡股份有限公司 | The two-way fork truck that a kind of box car is special |
| CN107128847A (en) * | 2017-07-18 | 2017-09-05 | 湖北先行专用汽车有限公司 | A kind of multi-functional side fork Ju Shi Operation Vans |
-
2017
- 2017-10-24 CN CN201711006533.0A patent/CN107892251A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187609A (en) * | 1999-12-28 | 2001-07-10 | Kito Corp | Stacker crane |
| CN101412491A (en) * | 2008-11-24 | 2009-04-22 | 北京康拓红外技术有限公司 | Fork mechanism of stacker |
| CN102040176A (en) * | 2010-12-27 | 2011-05-04 | 中国人民解放军军事交通学院 | Electric omnidirectional mobile lift |
| CN204454453U (en) * | 2015-02-05 | 2015-07-08 | 深圳精智机器有限公司 | Piler |
| CN205099271U (en) * | 2015-11-16 | 2016-03-23 | 无锡职业技术学院 | Novel multi -functional two -way fork truck |
| CN205838463U (en) * | 2016-07-06 | 2016-12-28 | 国信机器人无锡股份有限公司 | The two-way fork truck that a kind of box car is special |
| CN107128847A (en) * | 2017-07-18 | 2017-09-05 | 湖北先行专用汽车有限公司 | A kind of multi-functional side fork Ju Shi Operation Vans |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335999A (en) * | 2018-09-14 | 2019-02-15 | 同济大学 | Light-duty floor truck |
| CN109809329A (en) * | 2019-02-01 | 2019-05-28 | 五邑大学 | A kind of forklift |
| CN109809329B (en) * | 2019-02-01 | 2020-09-22 | 五邑大学 | Fork type crane |
| CN110182506A (en) * | 2019-05-09 | 2019-08-30 | 盐城品迅智能科技服务有限公司 | A kind of movable-type intelligent stacker handling platform and clamp method based on las er-guidance |
| CN112978625A (en) * | 2021-02-04 | 2021-06-18 | 太原科技大学 | Carrier vehicle |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180410 |
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| RJ01 | Rejection of invention patent application after publication |