CN102464267A - Crane and balance weight inclination prevention device thereof - Google Patents
Crane and balance weight inclination prevention device thereof Download PDFInfo
- Publication number
- CN102464267A CN102464267A CN2010105414024A CN201010541402A CN102464267A CN 102464267 A CN102464267 A CN 102464267A CN 2010105414024 A CN2010105414024 A CN 2010105414024A CN 201010541402 A CN201010541402 A CN 201010541402A CN 102464267 A CN102464267 A CN 102464267A
- Authority
- CN
- China
- Prior art keywords
- counterbalanced weight
- chain
- underframe
- hoisting crane
- tilt device
- 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
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a balance weight inclination prevention device (23) for a crane. The balance weight inclination prevention device comprises a chain (231), wherein the chain (231) surrounds a hanging lug (221) arranged at one end of a balance weight (22) of the crane and a lifting lug (211) corresponding to a bottom frame (21) of the crane, and the end part of the chain (231) is provided with a tensioning component for end-to-end connection. The chain (231) of the balance weight inclination prevention device (23) is arranged outside the balance weight (22) and does not need to pass through the inside of each balance weight (22), and the balance weight inclination prevention device has the advantages that the operation is convenient, the use is simple, and the fixing time is saved, so the work efficiency is improved; and in addition, the balance weight (22) and the bottom frame (21) do not need to be lifted before the balance weight inclination prevention device (23) is used, and the personal safety of operators is improved. The invention also provides the crane comprising the balance weight inclination prevention device (23).
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of counterbalanced weight anti-tilt device that is used for hoisting crane.In addition, the invention still further relates to a kind of hoisting crane that comprises above-mentioned counterbalanced weight anti-tilt device.
Background technology
Along with the fast development of China's economic construction, market increases for the increasing demand of hoister in large tonnage, also forward super-tonnage development of hoisting crane.
The hoisting crane tonnage is big more, and the heavy amount of required balance is big more, and usually, the counterbalanced weight of hoister in large tonnage is piled up successively on underframe by the some identical or different counterbalanceds weight of weight and realized.When the counterbalanced weight piling height is higher, must take the anti-dumping measure, avoid misplacing between each counterbalanced weight and the underframe, become flexible, guarantee the safe and reliable work of balance Beijing South Maxpower Technology Co. Ltd.
Most widely used a kind of counterbalanced weight anti-tilt device is a strand formula counterbalanced weight anti-tilt device in hoister in large tonnage at present.This device mainly is at the central correspondence position with the hoisting crane underframe that counterbalanced weight is installed of each counterbalanced weight through hole to be set respectively; And support is set at the counterbalanced weight upper surface; Use single chain to be connected with support; Then chain is passed cooresponding hole on all counterbalanceds weight and the underframe, below underframe, use latch that chain is locked at last.
Using strand formula counterbalanced weight anti-tilt device that fixedly the time, there is the problem of following several respects in counterbalanced weight:
On the one hand; Because the chain in the above-mentioned strand formula counterbalanced weight anti-tilt device will pass the hole on each counterbalanced weight central authorities and the underframe, this has certain working accuracy with regard to requiring the hole in each parts, so that after each counterbalanced weight assembling; Porose center be in same vertical curve; Chain can pass through all counterbalanceds weight and underframe smoothly, and the machining hole difficulty is bigger on the bigger counterbalanced weight of thickness, and required machining period is long.
On the other hand, chain lock onto underframe below, and this just needs earlier counterbalanced weight and underframe are risen to apart from the ground certain height, then the operator get into the underframe below will, the chain locking of passing counterbalanced weight and underframe, this operation is very inconvenient.
And in counterbalanced weight and underframe lifting process, counterbalanced weight is not fixed; Still have possibility loosening, dislocation takes place, and after the counterbalanced weight lifting put in place, chain latching device (latch) was positioned at the below of counterbalanced weight underframe; The operator must get into counterbalanced weight below operation, in case counterbalanced weight generation problem drops, consequence will be very serious; Therefore, also there is bigger potential safety hazard in strand formula counterbalanced weight anti-tilt device.
Therefore, how to develop a kind of counterbalanced weight anti-tilt device, it is easy to operate that it is had, and uses simply, saves the set time, and can improve performance such as operating personal personal safety, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The object of the invention aims to provide a kind of counterbalanced weight anti-tilt device that is used for hoisting crane; This counterbalanced weight anti-tilt device not only has easy to operate, uses simply, saves the fixed balance weight time; The advantage of increasing work efficiency, and can improve the performance of operating personal personal safety.Another object of the present invention aims to provide a kind of hoisting crane that comprises above-mentioned counterbalanced weight anti-tilt device.
For solving the problems of the technologies described above; The present invention provides a kind of counterbalanced weight anti-tilt device; Comprise chain, said chain ring is around the hangers of counterbalanced weight one end of said hoisting crane and the corresponding hanger of underframe of said hoisting crane, and the end of said chain is provided with and is used for head and the tail bonded assembly tension part.
Preferably, said tension part is hook.
Preferably, said tension part is the ratchet-type chain tensioning device, and the both ends of said chain are connected in the two ends of said ratchet-type chain tensioning device respectively.
Preferably, the two ends of said ratchet-type chain tensioning device all are connected with said chain through hook.
Preferably, said chain is a standard chain.
The present invention also provides a kind of hoisting crane; Comprise counterbalanced weight and the underframe that said counterbalanced weight is installed; Also comprise above-mentioned each described counterbalanced weight anti-tilt device, said counterbalanced weight anti-tilt device connects the outside face and the said underframe of said counterbalanced weight, and said counterbalanced weight is fixed on the said underframe.
Preferably, the quantity of said counterbalanced weight anti-tilt device is two, and symmetry is installed on the hangers and the corresponding hanger of said underframe of said counterbalanced weight both sides.
Counterbalanced weight anti-tilt device provided by the present invention comprises chain, and said chain ring is around the hangers of counterbalanced weight one end of said hoisting crane and the corresponding hanger of underframe of said hoisting crane, and the end of said chain is provided with and is used for head and the tail bonded assembly tension part.
Before the hoisting crane work, use the hangers and the corresponding hanger of underframe of chain connection counterbalanced weight one end of above-mentioned counterbalanced weight anti-tilt device, the tension part at tension chain both ends, thus counterbalanced weight is fixed on the underframe; After hoisting crane quits work, loosen tension part, the chain two end portions is left, the releasing counterbalanced weight is connected with underframe, thereby is convenient to counterbalanced weight is disassembled from underframe.
Compare with the strand formula counterbalanced weight anti-tilt device that uses in the prior art; The chain of counterbalanced weight anti-tilt device provided by the present invention is arranged at the outside of counterbalanced weight; Need not pass the inside of each counterbalanced weight, the processing of not only having saved hole on counterbalanced weight and the underframe, and this device have easy to operate, use simple; Save the set time, thus the advantage of increasing work efficiency; And use above-mentioned counterbalanced weight anti-tilt device to counterbalanced weight carry out fastening before; Need not to promote counterbalanced weight and underframe; Avoided the dislocation, loosening of each counterbalanced weight and underframe in the lifting process, and the operating position of this anti-tilt device is positioned at the counterbalanced weight outside, improved the Personal Safety of operating personal.
A kind of preferred embodiment in, said tension part is the ratchet-type chain tensioning device, said chain connects and tensioning through the hook that is installed on said ratchet-type chain tensioning device two ends, thereby counterbalanced weight is fixed on the underframe; The ratchet-type chain tensioning device is easy and simple to handle, and can and link together the quick labour-saving tensioning of chain both ends, can increase the tensile force of chain, makes chain more reliable to fixing of counterbalanced weight.
Description of drawings
Fig. 1 is the set-up mode scheme drawing of a kind of specific embodiment of counterbalanced weight anti-tilt device provided by the present invention;
Fig. 2 provides the structural representation of counterbalanced weight anti-tilt device for Fig. 1.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 2:
21 underframe; 211 hangers; 22 counterbalanceds weight; 221 hangers; 23 counterbalanced weight anti-tilt devices;
231 chains; 232 hooks; 233 ratchet-type chain tensioning devices.
The specific embodiment
The object of the invention aims to provide a kind of counterbalanced weight anti-tilt device that is used for hoisting crane; This counterbalanced weight anti-tilt device not only has easy to operate, uses simply, saves the fixed balance weight time; The advantage of increasing work efficiency, and can improve the performance of operating personal personal safety.Another object of the present invention aims to provide a kind of hoisting crane that comprises above-mentioned counterbalanced weight anti-tilt device.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the set-up mode scheme drawing of a kind of specific embodiment of counterbalanced weight anti-tilt device provided by the present invention; Fig. 2 provides the structural representation of counterbalanced weight anti-tilt device for Fig. 1.
In a kind of specific embodiment, counterbalanced weight anti-tilt device 23 provided by the present invention comprises chain 231; Usually; For the convenience of lifting is installed; The counterbalanced weight 22 of hoisting crane and underframe 21 all are provided with hangers 221 and hanger 211 respectively in corresponding two sides; It is as shown in Figure 1 that the position specifically is set, and said chain 231 is around the underframe 21 corresponding hangers 211 of hangers of counterbalanced weight 22 1 ends of said hoisting crane 221 and said hoisting crane, and the end of said chain 231 is provided with and is used for bonded assembly tension part from beginning to end.
Before the hoisting crane work, use the hangers 221 and underframe 21 corresponding hangers 211 of chain 231 connection counterbalanceds weight 22 1 ends of above-mentioned counterbalanced weight anti-tilt device 23, the tension part at tension chain 231 both ends, thus counterbalanced weight 22 is fixed on the underframe 21; After hoisting crane quits work, loosen tension part, chain 231 two end portions are left, releasing counterbalanced weight 22 is connected with underframe 21, thereby is convenient to counterbalanced weight 22 is disassembled from underframe 21.
Compared with prior art; The chain of counterbalanced weight anti-tilt device 23 provided by the present invention is arranged at the outside of counterbalanced weight, need not pass the inside of each counterbalanced weight 22, has not only saved the processing in hole on counterbalanced weight 22 and the underframe 21; And this device has easy to operate; Use simply, save the time of fixed balance weight 22, improved the advantage of work efficiency; And when using 23 pairs of counterbalanceds weight of above-mentioned counterbalanced weight anti-tilt device fixedly, need not to promote counterbalanced weight 22 and underframe 21, avoided the dislocation, loosening of 22 of lifting process counterbalanceds weight, and operating position is positioned at counterbalanced weight 22 outsides, improved the Personal Safety of operating personal.
Additionally, chain 231 is normal parts that use in the construction machinery and equipment, can gather materials on the spot, and uses the ready-made material in camp site, saves cost; And chain 231 had both had enough rigidity, and was crooked easily again, and both fixations are easy to use again.And this counterbalanced weight anti-tilt device 23 need not add extra fit structure on counterbalanced weight 22 and underframe 21, saves tooling cost.
Particularly; Above-mentioned tension part can be hook; The two ends of chain 231 link together through hook, at an end of chain 231 hook are installed, after adjustment chain 231 arrives suitable tensioning length; Directly hook is hooked in the chain link of chain 231 other ends, realizes the fixing of 21 on counterbalanced weight 22 and underframe; Hoisting crane work is taken hook after finishing, and loosens chain 231, and this counterbalanced weight anti-tilt device 23 can directly be pulled down from hoisting crane.
The hook connection mode is simple to operate; Save the operating time, further improved work efficiency, and the usable length of chain 231 can be regulated through the position of hook; Do not receive the restriction of counterbalanced weight 22 bottom-to-top-heights, can be applied to the highly higher ultra-large type hoisting crane of counterbalanced weight 22.
Further; Above-mentioned tension part can also be ratchet-type chain tensioning device 233; The two ends of above-mentioned chain 231 all are connected on the ratchet-type chain tensioning device 233; Rotation ratchet-type chain tensioning device 233 handles, promptly the length of scalable ratchet-type chain tensioning device 233 makes chain 231 tensionings, reaches the effect that misplaces between each counterbalanced weight 22 and the underframe 21, become flexible avoided; Behind the end-of-job, regulate ratchet-type chain tensioning device 233 length and loosen chain 231, can take off this counterbalanced weight anti-tilt device 23 from counterbalanced weight 22.
Ratchet-type chain tensioning device 233 is easy and simple to handle, and can and link together the quick labour-saving tensioning of chain 231 two ends, can increase the tensile force of chain 231, makes the fixing more reliable of 231 pairs of counterbalanceds weight 22 of chain.
Further, the two ends of ratchet-type chain tensioning device 233 can connect a hook 232 respectively, and the two ends of chain 231 can be respectively through being installed in the hook 232 on the ratchet-type chain tensioning device 233, and realization is connected with ratchet-type chain tensioning device 233.
The two ends of ratchet-type chain tensioning device 233 are installed hook 232 and have not only been made things convenient for ratchet-type chain tensioning device 233 to be connected with chain 231; Be convenient to the adjusting of chain 231 length; And be convenient to the dismounting of ratchet-type chain tensioning device 233; When counterbalanced weight anti-tilt device 23 does not use, can easily ratchet-type chain tensioning device 233 be taken off from chain 231, deposit separately to the tool box; Help protecting ratchet-type chain tensioning device 233; Prolong its service life further, in the upper end of the periphery of the hangers 221 of the superiors' counterbalanced weight 22 groove along hangers 221 circumferencial directions can be set, groove can be slightly larger than the width of the chain link of chain 231 along hangers 221 axial width.
Location when the hangers 221 surface working grooves of counterbalanced weight 22 can make things convenient for chain 231 to use prevents that chain 231 from sliding the hangers 221 of counterbalanced weight 22 when using, not only make things convenient for the installation of chain 231, and increase the reliability of counterbalanced weight anti-tilt device 23.
Be further to increase by 231 pairs of each counterbalanced weight 22 reliability of fixation of chain, can further offer in the relevant position, same side of the hangers 221 of each counterbalanced weight 22 that chain 231 can be installed in the groove of hangers 221 along the circumferential groove of hangers 221.
Each dimensions of the pitch of standard chain and chain link has unified standard, and practicality and interchangeability are all relatively good.Owing to when wearing and tearing or other reasons fracture, can select for use the chain link of same size to be installed on the original standard chain, needn't buy whole chain 231 when a certain chain link of standard chain again, practice thrift cost.
Except above-mentioned counterbalanced weight anti-tilt device 23; The present invention also provides a kind of hoisting crane that comprises above-mentioned counterbalanced weight anti-tilt device; Comprise counterbalanced weight 22 and the underframe 21 that said counterbalanced weight 22 is installed; Also comprise above-mentioned counterbalanced weight anti-tilt device 23, said counterbalanced weight anti-tilt device connects the outside face and the said underframe 21 of said counterbalanced weight 22, and said counterbalanced weight 22 is fixed on the said underframe 21.
Further, the quantity of above-mentioned counterbalanced weight anti-tilt device 23 can be two, and symmetry is installed in the both sides of said counterbalanced weight 22.
This counterbalanced weight anti-tilt device 23 is symmetrically arranged in the mode of counterbalanced weight 22 both sides, has strengthened counterbalanced weight 22 fixation stability property greatly.
Certainly; Counterbalanced weight anti-tilt device 23 the position is set and quantity is not limited to above description; For example counterbalanced weight 22 weight ratios for the large-tonnage hoisting crane are bigger; Two hangers 221 possibly respectively are set respectively in both sides,, also can adopt four counterbalanced weight anti-tilt devices 23 hangers 221 and the underframe 21 corresponding positions of fixed balance weight 22 both sides respectively for counterbalanced weight 22 fixations in the hoisting crane work.
The structure of these other each several parts of hoisting crane please refer to prior art, and this paper repeats no more.
More than a kind of hoisting crane provided by the present invention and counterbalanced weight anti-tilt device thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. counterbalanced weight anti-tilt device that is used for hoisting crane; It is characterized in that; Comprise chain (231); Said chain (231) is around the corresponding hanger (211) of the underframe (21) of the hangers (221) of counterbalanced weight (22) one ends of said hoisting crane and said hoisting crane, and the end of said chain (231) is provided with and is used for head and the tail bonded assembly tension part.
2. the counterbalanced weight anti-tilt device that is used for hoisting crane as claimed in claim 1 is characterized in that, said tension part is hook.
3. the counterbalanced weight anti-tilt device that is used for hoisting crane as claimed in claim 1 is characterized in that, said tension part is ratchet-type chain tensioning device (233), and the both ends of said chain (231) are connected in the two ends of said ratchet-type chain tensioning device (233) respectively.
4. the counterbalanced weight anti-tilt device that is used for hoisting crane as claimed in claim 3 is characterized in that, the two ends of said ratchet-type chain tensioning device all are connected with said chain (231) through hook (232).
5. like each described counterbalanced weight anti-tilt device that is used for hoisting crane of claim 1 to 4, it is characterized in that said chain (231) is a standard chain.
6. hoisting crane; The underframe (21) that comprises counterbalanced weight (22) and the said counterbalanced weight of installation (22); It is characterized in that; Comprise that also like each described counterbalanced weight anti-tilt device of claim 1 to 5, said counterbalanced weight anti-tilt device connects the outside face and the said underframe (21) of said counterbalanced weight (22), and said counterbalanced weight (22) is fixed on the said underframe (21).
7. hoisting crane as claimed in claim 6 is characterized in that, the quantity of said counterbalanced weight anti-tilt device (23) is two, and symmetry is installed on the hangers (221) and the corresponding hanger (211) of said underframe (21) of said counterbalanced weight (22) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105414024A CN102464267A (en) | 2010-11-11 | 2010-11-11 | Crane and balance weight inclination prevention device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105414024A CN102464267A (en) | 2010-11-11 | 2010-11-11 | Crane and balance weight inclination prevention device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102464267A true CN102464267A (en) | 2012-05-23 |
Family
ID=46068440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105414024A Pending CN102464267A (en) | 2010-11-11 | 2010-11-11 | Crane and balance weight inclination prevention device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102464267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012617A (en) * | 2021-03-05 | 2022-09-06 | 广东博智林机器人有限公司 | Lifting device and plastering equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5988094U (en) * | 1982-12-07 | 1984-06-14 | 日立建機株式会社 | Counterweight fixing device |
| CN1138006A (en) * | 1995-03-28 | 1996-12-18 | 波丹公司 | Ballast for crane and corresponding fixed device |
| JP2000063082A (en) * | 1998-08-21 | 2000-02-29 | Nippon Sharyo Seizo Kaisha Ltd | Manufacture of counterweight for construction machine |
| JP2000219486A (en) * | 1999-02-02 | 2000-08-08 | Hitachi Constr Mach Co Ltd | Stacked counterweight aligning method |
| CN201082851Y (en) * | 2007-08-06 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Weight-balancing locking mechanism for crawler crane |
| CN101643182A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Balancing weight handling device and movable crane |
| CN101844731A (en) * | 2009-03-09 | 2010-09-29 | 马尼托瓦克起重机有限责任公司 | The counterweight block of hoisting crane and assembly |
| CN201882831U (en) * | 2010-11-11 | 2011-06-29 | 徐州重型机械有限公司 | Crane and counterweight tilting prevention device thereof |
-
2010
- 2010-11-11 CN CN2010105414024A patent/CN102464267A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5988094U (en) * | 1982-12-07 | 1984-06-14 | 日立建機株式会社 | Counterweight fixing device |
| CN1138006A (en) * | 1995-03-28 | 1996-12-18 | 波丹公司 | Ballast for crane and corresponding fixed device |
| JP2000063082A (en) * | 1998-08-21 | 2000-02-29 | Nippon Sharyo Seizo Kaisha Ltd | Manufacture of counterweight for construction machine |
| JP2000219486A (en) * | 1999-02-02 | 2000-08-08 | Hitachi Constr Mach Co Ltd | Stacked counterweight aligning method |
| CN201082851Y (en) * | 2007-08-06 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Weight-balancing locking mechanism for crawler crane |
| CN101844731A (en) * | 2009-03-09 | 2010-09-29 | 马尼托瓦克起重机有限责任公司 | The counterweight block of hoisting crane and assembly |
| CN101643182A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Balancing weight handling device and movable crane |
| CN201882831U (en) * | 2010-11-11 | 2011-06-29 | 徐州重型机械有限公司 | Crane and counterweight tilting prevention device thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012617A (en) * | 2021-03-05 | 2022-09-06 | 广东博智林机器人有限公司 | Lifting device and plastering equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109095343A (en) | Assembled hanger | |
| CN204848091U (en) | Steel sheet cross arm hoisting accessory | |
| CN201176364Y (en) | Hoisting tools of steel structure for H-shaped section steel component | |
| CN201882831U (en) | Crane and counterweight tilting prevention device thereof | |
| CN102464267A (en) | Crane and balance weight inclination prevention device thereof | |
| CN211110829U (en) | Novel anti-falling device of elevator | |
| CN205195152U (en) | Work platform is changed to insulator | |
| CN208982630U (en) | External clamping angle steel fixed pulley | |
| CN203754230U (en) | Track clamp and track lifting device | |
| CN105600671A (en) | Stable petroleum pipeline hoisting equipment | |
| CN202284116U (en) | Lifting appliance special for large equipment | |
| CN208948679U (en) | Assembled hanger | |
| CN106865408B (en) | A kind of lifting block | |
| CN211846845U (en) | Stable form I-steel hoist | |
| CN219792263U (en) | Auxiliary device for assembling and disassembling runner maintenance platform of hydropower station unit | |
| CN210655870U (en) | Limiting device for hoisting low-pressure rotor of nuclear turbine | |
| CN207434842U (en) | A kind of high pedestal jib crane steel wire rope anti-wrap device | |
| CN203998730U (en) | Crane arm pull bar anchor fitting, crane arm and tower crane | |
| CN215160195U (en) | Supporting beam device capable of being used in combination | |
| CN219585633U (en) | Combined walking frame assembly lifting appliance of excavator | |
| CN220745075U (en) | Multi-lifting-point curved beam lifting appliance | |
| CN216004902U (en) | Vertical belt conveyor roll change operation auxiliary device | |
| CN216235557U (en) | Tower crane mark festival hoist of convenient operation formula | |
| CN217674642U (en) | A installation and transportation protector for dry powder mortar batching sensor | |
| CN219885476U (en) | Rail hoisting structure and rail hoisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120523 |