CN107298379A - A kind of steel cable swing limiting mechanism of bridge crane special hanger - Google Patents
A kind of steel cable swing limiting mechanism of bridge crane special hanger Download PDFInfo
- Publication number
- CN107298379A CN107298379A CN201710737941.7A CN201710737941A CN107298379A CN 107298379 A CN107298379 A CN 107298379A CN 201710737941 A CN201710737941 A CN 201710737941A CN 107298379 A CN107298379 A CN 107298379A
- Authority
- CN
- China
- Prior art keywords
- pendulum
- craneway
- gag lever
- lever post
- steel cable
- 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
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of steel cable swing limiting mechanism of bridge crane special hanger, including craneway, the upper end of the craneway is symmetrically arranged with two hoisting drums, the lower end of the craneway is symmetrically arranged with two hydraulic cylinders, the lower end of the craneway is symmetrically arranged with two and subtracts pendulum gag lever post, subtract the outside that pendulum gag lever post is located at two hydraulic cylinders described in two, the pendulum gag lever post that subtracts is connected on hydraulic cylinder piston rod, the top for subtracting pendulum gag lever post sets limited location pulley, suspender is provided with below the craneway, the suspender is in echelon, and upper end open, inner hollow, two lifting pulley are symmetrically arranged with the suspender, raising steel cable is wound with by spacing pulley between two angle pulleies and hoisting drum, realize that the effective of suspender subtracts pendulum by linkage, it is simple in construction, it is easily operated, it is convenient and practical, the effective operating efficiency for improving bridge crane.
Description
Technical field
The present invention relates to crane technical field, the steel cable of specially a kind of bridge crane special hanger swings position restrainer
Structure.
Background technology
Domestic bridge crane, is mainly used as lifting medium, the steel wire rope of lifting mechanism winding by steel wire rope at present
So that suspender raising or decline, but be due to that steel wire rope is soft part by winding the movable pulley on suspender, start when dolly and
During braking, because weight has inertia, weight can be swung in trolley travelling direction, and amplitude of fluctuation is with crab traversing speed and system
Dynamic deceleration and change, weight long period that always oscillates can just stop after crane is shut down, and the time of swing is longer
Bigger is influenceed on the efficiency of loading and unloading, in view of this problem is, it is necessary to which the steel cable for designing a kind of bridge crane special hanger swings spacing
Mechanism so that when OTC's trolley starts braking, can realize to the suspender for hanging weight and effectively subtract pendulum, be greatly reduced
The duration of oscillation of suspender, to improve the operating efficiency of bridge crane.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of steel cable of bridge crane special hanger and swung
Position-limit mechanism, realizes that the effective of suspender subtracts pendulum by linkage, simple in construction, it is easy to operate, convenient and practical, effective lifting
The operating efficiency of bridge crane.
The technical solution adopted for the present invention to solve the technical problems is：A kind of steel cable pendulum of bridge crane special hanger
Dynamic position-limit mechanism, including craneway, the upper end of the craneway is symmetrically arranged with two hoisting drums, the lower end of the craneway
Two hydraulic cylinders are symmetrically arranged with, the lower end of the craneway is symmetrically arranged with two and subtracts pendulum gag lever post, subtract pendulum limit described in two
Position bar is located at the outside of two hydraulic cylinders, and the pendulum gag lever post that subtracts is connected on hydraulic cylinder piston rod, and described subtract puts gag lever post
Top sets limited location pulley, is provided with suspender below the craneway, the suspender in echelon, and upper end open, inside
It is hollow, two lifting pulley are symmetrically arranged with the suspender, by spacing between two angle pulleies and hoisting drum
Pulley is wound with raising steel cable.
As a kind of preferred technical scheme of the present invention, the hoisting drum is driven by lifting motor outside device, institute
Stating hydraulic pump of the hydraulic cylinder outside device provides hydraulic cylinder piston rod flexible power.
As a kind of preferred technical scheme of the present invention, the lower end of the craneway is provided with some earrings, the hydraulic pressure
Cylinder bottom connector is provided with cylinder cylinder body bottom, the cylinder bottom connector is connected on earrings by bearing pin, and liquid
Cylinder pressure locus is fixed, it is impossible to rotated.
As a kind of preferred technical scheme of the present invention, the angular dimension that the hydraulic cylinder is formed with craneway lower end is
20°-25°。
As a kind of preferred technical scheme of the present invention, described one end for subtracting pendulum gag lever post is provided with bar bottom connector, institute
Bar bottom connector is stated to be connected on earrings by bearing pin, and the pendulum gag lever post that subtracts can relatively small vehicle bottom generation
Rotate.
As a kind of preferred technical scheme of the present invention, the pendulum gag lever post that subtracts forms angular dimension with craneway lower end
Alterable scope is 40 ° -70 °.
As a kind of preferred technical scheme of the present invention, the hydraulic cylinder piston rod top is provided with connector, described to subtract
Pendulum gag lever post on be provided with through hole, the connector is fastened on through hole by bearing pin, and it is described subtract pendulum gag lever post can edge
Hydraulic cylinder piston rod top rotates.
As a kind of preferred technical scheme of the present invention, the lifting pulley is connected in suspender by bearing pin
Portion.
Compared with prior art, the beneficial effects of the invention are as follows：
By hydraulic cylinder with subtracting the linkage that pendulum gag lever post is constituted, when suspender is swung, Driven by Hydraulic Cylinder subtracts pendulum
Gag lever post is outwards strutted, the angular dimension between increase raising steel cable two ends, so that the two ends application to raising steel cable gradually increases
Big horizontal component, in the presence of horizontal component, because of swing, unbalanced suspender will terminate swing rapidly, and the present invention can
It is simple in construction to realize that the effective of suspender subtracts pendulum by linkage in a short time, it is easy to production, while being lived by hydraulic cylinder
The flexible offer suspender of stopper rod subtracts the power of pendulum, it is easy to operate, convenient and practical, effectively improves the work effect of bridge crane
Rate.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is craneway structural representation of the invention；
Fig. 3 is hydraulic cylinder structure schematic diagram of the invention；
Fig. 4 subtracts pendulum gag lever post structural representation for the present invention's；
Fig. 5 is hanger structure top view of the invention.
In figure：1- craneways；2- hoisting drums；3- hydraulic cylinders；4- subtracts pendulum gag lever post；5- hydraulic cylinder piston rods；6- is spacing
Pulley；7- suspenders；8- lifting pulley；9- raising steel cables；10- earrings；11- hydraulic cylinder bodies；12- cylinder bottom connectors；13- bars bottom
Connector；14- connectors；15- through holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
Direction and position term that the present invention is previously mentioned, such as " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As shown in Figures 1 to 5, the invention provides a kind of steel cable swing limiting mechanism of bridge crane special hanger 7,
Including craneway 1, the upper end of the craneway 1 is symmetrically arranged with two hoisting drums 2, and the hoisting drum 2 is by outside device
Raising steel cable 9 is wound with the driving of lifting motor, hoisting drum 2, hoisting drum 2 occurs to turn under the driving of lifting motor
It is dynamic so that the length of raising steel cable 9 between hoisting drum 2 and suspender 7 changes, realize slinging and putting down to article；
As shown in Figures 1 to 4, the lower end of the craneway 1 is symmetrically arranged with two hydraulic cylinders 3, and the hydraulic cylinder 3 is by filling
The hydraulic pump for putting outside provides hydraulic cylinder piston rod 5 flexible power, and the lower end of the craneway 1 is provided with some earrings 10,
It is provided with cylinder bottom connector 12 on the bottom of hydraulic cylinder body 11, the cylinder bottom connector 12 is connected installation by bearing pin
On earrings 10, and the locus of hydraulic cylinder 3 is fixed, it is impossible to rotated, and the hydraulic cylinder 3 is formed with the lower end of craneway 1
Angular dimension is 20 ° -25 °, and hydraulic cylinder 3 is fixedly connected with the bottom that mode is fixed on craneway 1 by the static state of bearing pin, with very
Big structural strength, makes Stability Analysis of Structures so that the position of hydraulic cylinder 3 is fixed relative to craneway 1, will not change, it is possible to logical
The telescopic drive for crossing piston rod subtracts the rotation of pendulum gag lever post 4.
As shown in Figures 1 to 4, the lower end of the craneway 1 be symmetrically arranged with two subtract pendulum gag lever post 4, subtract described in two
The outside that gag lever post 4 is located at two hydraulic cylinders 3 is put, described one end for subtracting pendulum gag lever post 4 is provided with bar bottom connector 13, the bar
Bottom connector 13 is connected on earrings 10 by bearing pin, and the pendulum gag lever post 4 that subtracts can relatively small vehicle bottom hair
Raw to rotate, the alterable scope for subtracting pendulum gag lever post 4 and the lower end of craneway 1 formation angular dimension is 40 ° -70 °, described to subtract pendulum
Gag lever post 4 is connected on hydraulic cylinder piston rod 5, and the top of hydraulic cylinder piston rod 5 is provided with connector 14, and described subtract puts spacing
Through hole 15 is provided with bar 4, the connector 14 is fastened on through hole 15 by bearing pin, and it is described subtract pendulum gag lever post 4 can
Rotated along the top of hydraulic cylinder piston rod 5, subtract pendulum gag lever post 4 and craneway 1 is fixed on by the hinge connection mode of bearing pin
Bottom, can rotate under the driving that hydraulic cylinder piston rod 5 stretches in the bottom of craneway 1, while by hydraulic cylinder piston rod 5
The limitation of collapsing length scope and hydraulic cylinder 3 fixed angle on craneway 1, subtracts the rotational angle of pendulum gag lever post 4 certain
Within the scope of；The top for subtracting pendulum gag lever post 4 sets limited location pulley 6, and raising steel cable 9 bypasses spacing pulley 6, works as suspender
7 when swinging, and the driving of hydraulic cylinder 3 subtracts pendulum gag lever post 4 and outwards strutted, and increases the angular dimension between the two ends of raising steel cable 9, from
And the horizontal component gradually increased is applied to the two ends of raising steel cable 9, and in the presence of horizontal component, the disequilibrium because of swing
Suspender 7 will terminate swing rapidly, by hydraulic cylinder 3 and subtract the linkage that pendulum gag lever post 4 is constituted, can be real in a short time
The effective of existing suspender 7 subtracts pendulum, simple in construction, is easy to production, while being to subtract pendulum by the flexible offer suspender 7 of hydraulic cylinder piston rod 5
Power, it is easy to operate, it is convenient and practical, effectively improve the operating efficiency of bridge crane.
As shown in Figures 1 to 5, the lower section of the craneway 1 is provided with suspender 7, and the suspender 7 in echelon, and open by upper end
Mouth, inner hollow, make the weight saving of suspender 7 also maintain the structural strength of suspender 7, reduce the production cost of suspender 7, and mitigation is hung
The gravity that crane is born when playing article, while the space installed there is provided lifting pulley 8, makes apparatus structure compacter, is saved
About device working space；Two lifting pulley 8 are symmetrically arranged with the suspender 7, the lifting pulley 8 connects solid by bearing pin
Dingan County is wound with raising steel cable 9 between two angle pulleies and hoisting drum 2 inside suspender 7 by spacing pulley 6,
Can be achieved crane to article sling and put down and suspender 7 effectively subtract pendulum.
In summary, the main characteristic of the invention lies in that：
By hydraulic cylinder 3 with subtracting the linkage that pendulum gag lever post 4 is constituted, when suspender 7 is swung, hydraulic cylinder 3 drives
Subtract pendulum gag lever post 4 outwards to strut, the angular dimension between the two ends of increase raising steel cable 9, so as to apply the two ends of raising steel cable 9
The horizontal component gradually increased, in the presence of horizontal component, because of swing, unbalanced suspender 7 will terminate swing rapidly,
The present invention can realize effectively subtracting for suspender 7 by hydraulic cylinder 3 with the linkage for subtracting the pendulum composition of gag lever post 4 in a short time
Pendulum, it is simple in construction, it is easy to production, while being the power for subtracting pendulum by the flexible offer suspender 7 of hydraulic cylinder piston rod 5, it is easy to operate,
It is convenient and practical, effectively improve the operating efficiency of bridge crane.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Claims (8)
1. a kind of steel cable swing limiting mechanism of bridge crane special hanger, including craneway (1), it is characterised in that：It is described
The upper end of craneway (1) is symmetrically arranged with two hoisting drums (2), and the lower end of the craneway (1) is symmetrically arranged with two liquid
Cylinder pressure (3), the lower end of the craneway (1) is symmetrically arranged with two and subtracts pendulum gag lever post (4), subtracts pendulum gag lever post (4) described in two
Positioned at the outside of two hydraulic cylinders (3), the pendulum gag lever post (4) that subtracts is connected on hydraulic cylinder piston rod (5), and described subtract puts spacing
The top of bar (4) sets and suspender (7) is provided with below limited location pulley (6), the craneway (1), and the suspender (7) is into ladder
Two lifting pulley (8) are symmetrically arranged with shape, and upper end open, inner hollow, the suspender (7), two described turn to are slided
Raising steel cable (9) is wound with by spacing pulley (6) between wheel and hoisting drum (2).
2. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
The hoisting drum (2) is driven by lifting motor outside device, and hydraulic pump of the hydraulic cylinder (3) outside device provides liquid
The flexible power of pressure cylinder piston bar (5).
3. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
The lower end of the craneway (1), which is provided with some earrings (10), hydraulic cylinder body (11) bottom, is provided with cylinder bottom connection
Part (12), the cylinder bottom connector (12) is connected on earrings (10) by bearing pin, and hydraulic cylinder (3) locus
It is fixed, it is impossible to rotate.
4. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
The hydraulic cylinder (3) is 20 ° -25 ° with the angular dimension that craneway (1) lower end is formed.
5. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 3, it is characterised in that：
Described one end for subtracting pendulum gag lever post (4) is provided with bar bottom connector (13), and bar bottom connector (13) connects solid by bearing pin
Dingan County on the earrings (10), and it is described subtract pendulum gag lever post (4) can relatively small vehicle bottom rotate.
6. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
The pendulum gag lever post (4) that subtracts forms the alterable scope of angular dimension for 40 ° -70 ° with craneway (1) lower end.
7. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
Hydraulic cylinder piston rod (5) top is provided with connector (14), and described subtract is provided with through hole (15), institute on pendulum gag lever post (4)
Connector (14) is stated to be fastened on through hole (15) by bearing pin, and it is described subtract pendulum gag lever post (4) can be along hydraulic cylinder piston rod
(5) top rotates.
8. a kind of steel cable swing limiting mechanism of bridge crane special hanger according to claim 1, it is characterised in that：
The lifting pulley (8) is connected internal installed in suspender (7) by bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737941.7A CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737941.7A CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107298379A true CN107298379A (en) | 2017-10-27 |
Family
ID=60132282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710737941.7A Pending CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107298379A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054077A (en) * | 2019-04-30 | 2019-07-26 | 中国水利水电第四工程局有限公司 | The hoisting method of fan blade |
| CN114803871A (en) * | 2021-07-29 | 2022-07-29 | 华电蓝科科技股份有限公司 | Lifting appliance anti-rolling system for quayside container crane |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593795A (en) * | 1979-01-11 | 1980-07-16 | Ishikawajima Harima Heavy Ind | Device for preventing oscillation of suspension beam of crane |
| SU1648879A1 (en) * | 1988-05-11 | 1991-05-15 | Днепродзержинский Индустриальный Институт Им.М.И.Арсеничева | Load suspension |
| RU1801923C (en) * | 1989-10-16 | 1993-03-15 | Ленинградский Политехнический Институт Им.М.И.Калинина | Load oscillation damping method and device |
| CN201442800U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Anti-swing device of crane sling |
| CN201614236U (en) * | 2010-03-23 | 2010-10-27 | 成都畅越机械工程有限公司 | Wobble wheel type eight-rope crossing anti-sway device |
| CN203295057U (en) * | 2013-04-28 | 2013-11-20 | 郑州铁路装备制造有限公司 | Novel anti-rolling device for container spreaders |
| CN204490352U (en) * | 2015-01-22 | 2015-07-22 | 河南省宏远搬运机械有限公司 | Anti roll device on hoisting crane |
| CN205312907U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Metallurgical two roof beam hoist formula hoist |
| CN205312909U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two roof beam double small car bridge crane |
| CN205312908U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two -beam bridge crane |
-
2017
- 2017-08-24 CN CN201710737941.7A patent/CN107298379A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593795A (en) * | 1979-01-11 | 1980-07-16 | Ishikawajima Harima Heavy Ind | Device for preventing oscillation of suspension beam of crane |
| SU1648879A1 (en) * | 1988-05-11 | 1991-05-15 | Днепродзержинский Индустриальный Институт Им.М.И.Арсеничева | Load suspension |
| RU1801923C (en) * | 1989-10-16 | 1993-03-15 | Ленинградский Политехнический Институт Им.М.И.Калинина | Load oscillation damping method and device |
| CN201442800U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Anti-swing device of crane sling |
| CN201614236U (en) * | 2010-03-23 | 2010-10-27 | 成都畅越机械工程有限公司 | Wobble wheel type eight-rope crossing anti-sway device |
| CN203295057U (en) * | 2013-04-28 | 2013-11-20 | 郑州铁路装备制造有限公司 | Novel anti-rolling device for container spreaders |
| CN204490352U (en) * | 2015-01-22 | 2015-07-22 | 河南省宏远搬运机械有限公司 | Anti roll device on hoisting crane |
| CN205312907U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Metallurgical two roof beam hoist formula hoist |
| CN205312909U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two roof beam double small car bridge crane |
| CN205312908U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two -beam bridge crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054077A (en) * | 2019-04-30 | 2019-07-26 | 中国水利水电第四工程局有限公司 | The hoisting method of fan blade |
| CN114803871A (en) * | 2021-07-29 | 2022-07-29 | 华电蓝科科技股份有限公司 | Lifting appliance anti-rolling system for quayside container crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103964316B (en) | Multifunctional and multipurpose high pedestal jib crane | |
| CN105110213A (en) | Crane provided with counterweight balance mechanism adopting dead weight of hoisted object as well as crane transformation scheme | |
| CN107298379A (en) | A kind of steel cable swing limiting mechanism of bridge crane special hanger | |
| CN204848017U (en) | Swing crane; derrick | |
| CN206188254U (en) | Mobile lifting bracket for building bridge | |
| CN103938589B (en) | For showing the hydraulic rotary lock ingot method of hole arc door | |
| CN102826448A (en) | Hoisting mechanism and gantry crane | |
| CN202296907U (en) | Suspension arm balanced movable arm tower crane capable of luffing based on steel rope traction | |
| CN204342298U (en) | A kind of double track transfer crane | |
| CN102864770A (en) | Efficient dynamic compaction machine | |
| CN211007591U (en) | Telescopic suspension device | |
| CN216512394U (en) | Crane with anti-swing device | |
| CN107601301B (en) | A kind of steel reinforcement cage lifting device and hoisting method | |
| CN205575398U (en) | Crane sling anti -swing puts mechanism | |
| CN205367527U (en) | Hanging clamp debris hang | |
| CN208361727U (en) | Manned trolley promotes driving mechanism | |
| CN210048400U (en) | Sand suction ship gantry crane | |
| CN206859279U (en) | A kind of bored concrete pile aperture and hole bottom slurry detection support | |
| CN208898365U (en) | A kind of new type of safe construction tower crane | |
| CN208009252U (en) | A kind of rotary hanger | |
| CN107226418A (en) | The anti-wabbler mechanism of crane hanger | |
| CN209428009U (en) | A kind of telescopic articulated arm hoist | |
| CN104444836A (en) | Double-track portal crane | |
| CN205662257U (en) | Parallel four -bar mechanism balance crane | |
| CN210048407U (en) | Inhale husky ship gantry crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171027 |