CN201539274U - Tank type filling hydraulic support - Google Patents
Tank type filling hydraulic support Download PDFInfo
- Publication number
- CN201539274U CN201539274U CN2009202769361U CN200920276936U CN201539274U CN 201539274 U CN201539274 U CN 201539274U CN 2009202769361 U CN2009202769361 U CN 2009202769361U CN 200920276936 U CN200920276936 U CN 200920276936U CN 201539274 U CN201539274 U CN 201539274U
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- shaped
- hydraulic cylinder
- hydraulic
- baffle plate
- hinged
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- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 13
- 238000012856 packing Methods 0.000 description 13
- 239000006210 lotion Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000005065 mining Methods 0.000 description 8
- 238000009415 formwork Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001125877 Gobio gobio Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
A tank type filling hydraulic support resolves problems that the prior art is limited in sealing property, affects filling operation efficiency, occupies more limited space and the like. The tank type filling hydraulic support comprises a top beam, a four-bar linkage mechanism, a hydraulic upright post, a pushing hydraulic cylinder and a push rod. The technical point includes that the front end and the rear end of the top beam are provided with telescopic beams, a balancing hydraulic cylinder hinged with the top beam is disposed at the lower end of the back portion of an upper link bar so as to lead the back portion of the upper link bar to be in connection support with the top beam, two sides of the tail portion of a base are respectively hinged with telescopic hydraulic cylinders, a U-shaped upper baffle of an integral U-shaped baffle mechanism hinged with the telescopic hydraulic cylinders is inserted into a U-shaped lower baffle, and a guide rod of the U-shaped upper baffle reciprocates up and down along the U-shaped lower baffle. The tank type filling hydraulic support is reasonable and compact in structural design, flexile in operation and small in integral space occupation, is suitable for cooperation of multiple devices, is favorable for managing and timbering filling operation of a total work surface, obviously increases sealing effect between two adjacent baffle mechanisms, and improves filling operation efficiency.
Description
Technical field
The utility model relates to the extraordinary hydraulic support that use in ore deposit, a kind of coal mine palace, particularly a kind of box filling hydraulic support that is suitable for entire working surface that integrates the exploitation supporting and can carry out sold stowing function in goaf behind the frame with various lotions, like lotion or paste materials.
Background technology
The inventor is once at the mechanization formwork erection and the shifting formwork problem of Jing Gong ore deposit gob side entry retaining work plane, designed notification number and be the falseworks such as " gob side entry retaining comprehensive support devices " that " the roadside packing rear pattern plate support " of CN200999613Y and " roadside packing side template support " that notification number is CN200999614Y and publication number are CN101289939A.These patented technologies can solve when implementing gob side entry retaining and roadside packing technology, carry out the formwork erection and the whole supporting of mechanization, and realize the body of wall filling and the difficult problem of the production concurrent job of mining, its main purpose is for staying the lane, construct local body of wall in the goaf, the structure of support can not be applicable to the goaf, rear portion of entire working surface carry out spoil, lotion, like the packing job of any materials such as lotion or slurry.For this reason, the inventor has applied for " gob-side entry retaining work mould base " (publication number is CN101560883A) again, and it discloses a kind of used falsework of gob side entry retaining of implementing.Its primary structure characteristics are to adopt three the template mechanisms that can stretch the adjustment height up and down, connect by bearing pin to be combined into a box framework, and realize being connected and dragging by the hydraulic support in hydraulic cylinder and its place ahead.Should " gob-side entry retaining work mould base " be mainly used in the gob side entry retaining roadside packing, promptly construct the local body of wall of isolating at the edge, goaf, the structure of support also can't be carried out the whole filling continuously in work plane rear, packing job when promptly can not be suitable for the goaf, rear portion of entire working surface carried out material such as spoil and lotion or slurry.
Cause subsiding of ground at existing most wells palace mine carrying out the meeting that coal mining takes top board spontaneous caving method to exist, the above ground structure in many mining areas is destroyed, the village resettlement, and a large amount of land wastages are caused in the subsidence area; And spoil is thrown aside ground is worked the mischief, cover the soil, contaminated environment or the like problem, the inventor has applied for " formwork support with filling behind support " (publication number is CN101487395A), it discloses a kind of hydraulic prop and template mechanism that whole filling is carried out in the goaf that can be used as that well palace mine uses, the system job requirement of having satisfied coal mining, waste filling, lotion (slurry) filling preferably and having solidified.But be subjected to the restriction of supporting structure, its rear portion template mechanism itself comprises between the adjacent forms, to very limited like the sealing performance of materials such as lotion, slurry, has influenced packing job efficient to a certain extent; The physical dimension of hydraulic support itself is bigger in addition, and space hold is big, is unfavorable for roof management and supporting.Therefore, existing Jing Gong ore deposit after carrying out frame during whole filling mining employed hydraulic support be further improved and perfect.
The utility model content
The purpose of this utility model provides a kind of box filling hydraulic support, it solved the sealing performance that prior art exists limited, influence packing job efficient and take problem such as the confined space more, its reasonable in design, compactness, flexible operation, overall space takies little, is suitable for the multiple devices work compound, helps carrying out the management and the supporting of entire working surface packing job simultaneously, significantly increase the sealing effectiveness between adjacent two baffle mechanisms, improve packing job efficient.
The technical scheme that the utility model adopted is: this box filling hydraulic support comprises back timber and hinged with it by last connecting rod, front rod, the quadric chain that back link and base are formed, two ends respectively with described back timber and the hinged hydraulic vertical prop of described base, be assembled in the middle passing hydraulic cylinder of described base, the push rod that has connector that is connected with described passing hydraulic cylinder, its technical essential: before the described back timber, the rear end is provided with extensible canopy, the lower end, back of connecting rod is provided with and the hinged balance hydraulic cylinder of described back timber on described, constitute described the go up back of connecting rod and the support that is connected of described back timber, two sides of tail difference articulated telescopic hydraulic cylinder at described base, the other end of described telescopic hydraulic cylinder is hinged on the both sides of the U-shaped lower baffle plate of monolithic U-shaped baffle mechanism respectively, the U-shaped overhead gage is plugged in the described U-shaped lower baffle plate, and under the drive of baffle plate hydraulic cylinder, the guide rod that makes described U-shaped overhead gage is along on the guide pin bushing of described U-shaped lower baffle plate, under move back and forth.
The upper end, arc top of described U-shaped overhead gage is provided with is convenient to the placement of fluid-filled mass transport pipeline and fixing groove.
The openend both sides of described U-shaped overhead gage and U-shaped lower baffle plate isolate rubber strip by bolt.
Distinguishing feature of the present utility model is with advantage: this box filling hydraulic support is compared at " gob-side entry retaining work mould base " (publication number CN101560883A) of first to file with the inventor, former mould bases primary structure characteristics are to adopt three the template mechanisms that can stretch the adjustment height up and down, be combined into a box framework by the bearing pin connection, and realize being connected and dragging by the hydraulic support in hydraulic cylinder and its place ahead.Anterior hydraulic support of the present invention has then adopted the positive four-bar linkage structure of balance hydraulic cylinder at the caving shield back, and the box filling template in rear portion is the overall structure of upper and lower scalable adjusting, it is reasonable in design, flexible operation, therefore, the utility model can be used side by side by some box filling hydraulic supports, thereby forms laterally continuous filling of goaf.The inventor then is mainly used in the gob side entry retaining roadside packing at " gob-side entry retaining work mould base " of first to file, promptly constructs the isolation body of wall at the edge, goaf, can't carry out the whole filling continuously in work plane rear.
Compare at " formwork support with filling behind support " (publication number CN101487395A) of first to file with the inventor, though the two is similar on purposes, all can be used as the supporting and the template equipment that the goaf are carried out whole filling, but the rear portion template mechanism of this kind formwork support with filling behind support and comprising between the adjacent forms itself, to very limited like the sealing performance of materials such as lotion, slurry, and the physical dimension of hydraulic support itself is bigger, is unfavorable for roof management and supporting.And the compact conformation of anterior hydraulic support of the present utility model and the box baffle plate in rear portion, it is little that overall space takies, and carries out the filling less important work of entire working surface so be fit to utilize several supports to work in coordination with; Particularly for the thin work plane in coal seam (be lower than such as working depth 2 meters work plane), have more advantages such as the operating space is big.The upper and lower baffle mechanism of U-shaped not only is convenient to moving of hydraulic support reach and baffle plate, especially when charges be flowability preferably lotion, during like lotion or slurry, can significantly improve the sealing effectiveness between adjacent two baffle mechanisms by the isolation rubber strip of upper and lower baffle plate end, improve packing job efficient, it solved the sealing performance that prior art exists limited, influence packing job efficient and take problem such as the confined space more.
Description of drawings
Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.
Fig. 2 is the vertical view of removing back timber, hydraulic vertical prop among Fig. 1, going up connecting rod, front rod, back link and balance hydraulic cylinder.
Sequence number explanation among the figure: connecting rod, 5 front rods, 6 back links, 7 balance hydraulic cylinders, 8 extensible canopies, 9 extensible canopies, 10 are passed hydraulic cylinder, 11 push rods, 12 connectors, 13 transporters, 14 connection otic placodes, 15 connectors, 16 telescopic hydraulic cylinders, 17 otic placodes, 18U shape lower baffle plate, 19 baffle plate hydraulic cylinders, 20U shape overhead gage, 21 guide rods, 22 guide pin bushings, 23 bolts, 24 isolation rubber strips, 25 isolation rubber strips on 1 back timber, 2 bases, 3 hydraulic vertical props, 4.
The specific embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1～2.This box filling hydraulic support because of be formerly carry out on some the ripe architecture basics of the falsework in the patent the inventor improved, so be easy to realize.It comprises back timber 1 and hinged with it quadric chain of being made up of last connecting rod 4, front rod 5, back link 6 and base 2, the hydraulic vertical prop 3 that two ends are hinged with back timber 1 and base 2 respectively, be assembled in the passing hydraulic cylinder 10 of base 2 centres, with pass the push rod that has connector 12 11, the telescopic hydraulic cylinder that hydraulic cylinder 10 is connected, relatively independent, can produce about the parts such as U-shaped baffle mechanism of relative motion.Wherein the front and back ends of back timber 1 is respectively equipped with extensible canopy 8,9, and an end of the middle part of back timber 1 and last connecting rod 4 is hinged, and the other end of last connecting rod 4 is hinged with an end of front rod 5 and back link 6 respectively, and the other end and the base 2 of front rod 5 and back link 6 are hinged.The cylinder bottom of hydraulic vertical prop 3 is by pressing plate and base 2 relative fixed, and capital is supported in the back timber 1 and by bearing pin and is connected with back timber 1.Passing hydraulic cylinder 10 cylinder body end that are assembled in base 2 centres are hinged by the gudgeon and the base 2 at middle part, and live styletable and push rod 11 are hinged.Be arranged in base 2 middle push rod 11 ends and be connected with passing hydraulic cylinder 10, front end is connected with connector 12.Wherein parts such as base 1 and back timber 2, hydraulic vertical prop 3, front rod 5 and back link 6 adopt existing structure, and used specification, shape should be determined according to instructions for use.The balance hydraulic cylinder 7 hinged with back timber 1 is set in the lower end, back of last connecting rod 4, and formation goes up the back of connecting rod 4 and the support that is connected of back timber 1, the lower end, back of last connecting rod 4 is provided with the connection otic placode, hinged by an end that connects otic placode and balance hydraulic cylinder 7, the otic placode in the other end of balance hydraulic cylinder 7 and the back timber 1 is hinged.At the two sides of tail difference articulated telescopic hydraulic cylinder 16 of base 2, the other end of telescopic hydraulic cylinder 16 is hinged on the both sides of the U-shaped lower baffle plate 18 of monolithic U-shaped baffle mechanism respectively.Wherein the U-shaped baffle mechanism comprises parts such as U-shaped overhead gage 20, U-shaped lower baffle plate 18, baffle plate hydraulic cylinder 19, guide rod 21, guide pin bushing 22, and, the connection otic placode 14 that is welded on the two sides of tail of base 2 is linked to each other with the otic placode 17 of outside, U-shaped lower baffle plate 18 both sides by connector 15 and telescopic hydraulic cylinder 16.The dimensions of U-shaped overhead gage 20 and U-shaped lower baffle plate 18 should be complementary with support Design height, paste body filling technology and coal mining production technology.U-shaped overhead gage 20 is plugged in the U-shaped lower baffle plate 18, and U-shaped lower baffle plate 18 is casings of a U-shaped, is provided with guide pin bushing 22 and the ear seat that is connected baffle plate hydraulic cylinder 19 in the casing; The baffle plate facade of U-shaped overhead gage 20 is press-bending arc or assembly welding steel plate, also can make thin body structure according to special requirement, its upper end is provided with the fixing outside to the extension of the U-shaped outside of vertical welding with the baffle plate facade, be provided with the guide rod 21 of plummet direction in the bottom, outside and corresponding to the guide pin bushing in U-shaped lower baffle plate 18 casings, the bottom of outside also is provided with and connects otic placode and hinged by an end of bearing pin and baffle plate hydraulic cylinder 19, and the other end of baffle plate hydraulic cylinder 19 is articulated in the engaging lug seat of U-shaped lower baffle plate 18 bottom halves.Under the drive of baffle plate hydraulic cylinder 19, make guide pin bushing 22 upper and lower move back and forth of the guide rod 21 of U-shaped overhead gage 20, and keep not breaking away from all the time between guide rod 21 and guide pin bushing 22, U-shaped overhead gage 20 and the U-shaped lower baffle plate 18 along U-shaped lower baffle plate 18.
A groove is offered in the placement of fluid-filled mass transport pipeline for convenience and fixing in the upper end of U-shaped overhead gage 20.
In order to strengthen the sealing effectiveness between the adjacent two cover U-shaped baffle mechanisms, in the openend both sides of U-shaped overhead gage 20 and U-shaped lower baffle plate 18, by the bolt 23 fixing rubber strips 24,25 of isolating.
The utility model scheme also can design the structure and the shape of different back timber 1 and back extensible canopy 9 according to down-hole coal bed and top board condition in specific implementation process.When top board is very broken and unstable, can take with the back extensible canopy 9 top board laterally, be that extend at the support rear, extend to support relative with rear portion U-shaped baffle mechanism draw by the time when whole retracted state (hydraulic cylinder 16 for), the top board of back extensible canopy 9 extends to the inner and upper of U-shaped baffle mechanism; And when hydraulic cylinder 16 when all stretching out state, the top board of back extensible canopy 9 just is in U-shaped baffle mechanism outside, perhaps still stays the inner certain-length of U-shaped baffle mechanism, but is no more than the length of the U-shaped overhead gage 20 of U-shaped baffle mechanism;
When this box filling hydraulic pressure timberer does, after both allocations is good according to said structure connected mode and description of drawings mounting arrangements, the acquiescence original state is that hydraulic vertical prop 3 rises supporting top beam 1, and extensible canopy 8, extensible canopy 9, passing hydraulic cylinder 10 and telescopic hydraulic cylinder 16 all are in retracted state.Adjust baffle plate hydraulic cylinder 19 and make 20 rises of U-shaped overhead gage and connect reality, in the groove of upper end, arrange the filling pipeline, begin to carry out the filling of material with roof; Simultaneously, work plane begins to carry out routine coal mining production.
After material filling in the U-shaped baffle plate finishes, close the filling pipeline, keep the U-shaped baffle plate motionless.After unit cut the first cutter coal, will pass hydraulic cylinder 10 and stretch out, drive push rod 11 and connector 12 and stretch out, thereby promote transporter 13 and unit to previous step pitch, extensible canopy 8 stretches out simultaneously, and the temporary lining top board prepares to adopt the second cutter coal.
After having adopted the second cutter coal, adjust hydraulic vertical prop 3, regain and pass hydraulic cylinder 10, drive anterior hydraulic support to previous step pitch, telescopic hydraulic cylinder 16 stretches out simultaneously, keeps the U-shaped baffle mechanism motionless, and extensible canopy 9 stretches out the sky top between anterior hydraulic support of supporting and the U-shaped baffle plate.Handle passing hydraulic cylinder 10 again and stretch out, transporter 13 and unit are released a step pitch, prepare to adopt the 3rd cutter coal.
Adopted after the 3rd cutter coal, checked the coagulation grade of material in the U-shaped baffle plate, when possessing demoulding condition, adjusted and reduce baffle plate hydraulic cylinder 19, regained telescopic hydraulic cylinder 16 and extensible canopy 9, U-shaped has been kept off baffle mechanism be withdrawn into relative initial position with anterior hydraulic support.Adjust hydraulic vertical prop 3 then, regain and pass hydraulic cylinder 10, keep telescopic hydraulic cylinder 16 retracted states, drive whole box filling hydraulic support to previous step pitch.
After supporting hydraulic vertical prop 3 well, handle passing hydraulic cylinder 10 and stretch out, transporter 13 and unit are released a step pitch, and then adjustment hydraulic vertical prop 3, regain and pass hydraulic cylinder 10, keep telescopic hydraulic cylinder 16 retracted states, drive whole box filling hydraulic support again to previous step pitch.At this moment, box filling hydraulic support and work unit are all got back to the acquiescence original state before the beginning filling, are ready to the filling and the coal mining of next circulation.
Claims (3)
1. box filling hydraulic support, comprise back timber and hinged with it by last connecting rod, front rod, the quadric chain that back link and base are formed, two ends respectively with described back timber and the hinged hydraulic vertical prop of described base, be assembled in the middle passing hydraulic cylinder of described base, the push rod that has connector that is connected with described passing hydraulic cylinder, it is characterized in that: before the described back timber, the rear end is provided with extensible canopy, the lower end, back of connecting rod is provided with and the hinged balance hydraulic cylinder of described back timber on described, constitute described the go up back of connecting rod and the support that is connected of described back timber, two sides of tail difference articulated telescopic hydraulic cylinder at described base, the other end of described telescopic hydraulic cylinder is hinged on the both sides of the U-shaped lower baffle plate of monolithic U-shaped baffle mechanism respectively, the U-shaped overhead gage is plugged in the described U-shaped lower baffle plate, and under the drive of baffle plate hydraulic cylinder, the guide rod that makes described U-shaped overhead gage is along on the guide pin bushing of described U-shaped lower baffle plate, under move back and forth.
2. box filling hydraulic support according to claim 1 is characterized in that: the upper end, arc top of described U-shaped overhead gage is provided with is convenient to the placement of fluid-filled mass transport pipeline and fixing groove.
3. box filling hydraulic support according to claim 1 is characterized in that: the openend both sides of described U-shaped overhead gage and U-shaped lower baffle plate isolate rubber strip by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202769361U CN201539274U (en) | 2009-12-04 | 2009-12-04 | Tank type filling hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202769361U CN201539274U (en) | 2009-12-04 | 2009-12-04 | Tank type filling hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539274U true CN201539274U (en) | 2010-08-04 |
Family
ID=42590728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202769361U Expired - Lifetime CN201539274U (en) | 2009-12-04 | 2009-12-04 | Tank type filling hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539274U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261257A (en) * | 2011-08-04 | 2011-11-30 | 成云海 | Hydraulic support for filling after installation and operating method thereof |
| CN102562110A (en) * | 2010-12-17 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Integrated hydraulic support of four-post paste filling supporting in thin coal seam |
| CN102562149A (en) * | 2011-12-31 | 2012-07-11 | 山东科技大学 | Automatic bag-overturning filling method in worked-out area |
| CN102619543A (en) * | 2011-12-02 | 2012-08-01 | 淄博市王庄煤矿 | Mobile type hydraulic airtight filling device |
| CN102661160A (en) * | 2012-06-04 | 2012-09-12 | 于波 | Two-pillar hidden type filled hydraulic support |
| CN104564071A (en) * | 2014-12-05 | 2015-04-29 | 新汶矿业集团有限责任公司 | Comprehensive gangue filling coal mining equipment and filling method |
| CN109915204A (en) * | 2019-04-11 | 2019-06-21 | 兖矿东华重工有限公司 | A method of bank is filled using filling bracket |
| CN109944624A (en) * | 2019-05-05 | 2019-06-28 | 陕西蓝山重工科技有限公司 | Coal mine solid waste fills hydraulic support |
| CN109973145A (en) * | 2019-04-11 | 2019-07-05 | 兖矿东华重工有限公司 | A kind of filling bracket |
-
2009
- 2009-12-04 CN CN2009202769361U patent/CN201539274U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562110A (en) * | 2010-12-17 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Integrated hydraulic support of four-post paste filling supporting in thin coal seam |
| CN102261257A (en) * | 2011-08-04 | 2011-11-30 | 成云海 | Hydraulic support for filling after installation and operating method thereof |
| CN102261257B (en) * | 2011-08-04 | 2013-06-26 | 安徽理工大学 | Hydraulic support for filling after installation and operating method thereof |
| CN102619543A (en) * | 2011-12-02 | 2012-08-01 | 淄博市王庄煤矿 | Mobile type hydraulic airtight filling device |
| CN102619543B (en) * | 2011-12-02 | 2013-11-06 | 淄博市王庄煤矿 | Mobile type hydraulic airtight filling device |
| CN102562149A (en) * | 2011-12-31 | 2012-07-11 | 山东科技大学 | Automatic bag-overturning filling method in worked-out area |
| CN102562149B (en) * | 2011-12-31 | 2014-10-01 | 山东科技大学 | Automatic bag-overturning filling method in worked-out area |
| CN102661160A (en) * | 2012-06-04 | 2012-09-12 | 于波 | Two-pillar hidden type filled hydraulic support |
| CN104564071A (en) * | 2014-12-05 | 2015-04-29 | 新汶矿业集团有限责任公司 | Comprehensive gangue filling coal mining equipment and filling method |
| CN109915204A (en) * | 2019-04-11 | 2019-06-21 | 兖矿东华重工有限公司 | A method of bank is filled using filling bracket |
| CN109973145A (en) * | 2019-04-11 | 2019-07-05 | 兖矿东华重工有限公司 | A kind of filling bracket |
| CN109944624A (en) * | 2019-05-05 | 2019-06-28 | 陕西蓝山重工科技有限公司 | Coal mine solid waste fills hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENYANG HUAXIANG MACHINERY FACTORY Free format text: FORMER NAME: SHENYANG HUAXIANG MINING MACHINERY PLANT |
|
| CP03 | Change of name, title or address |
Address after: 110161, 11, senior street, Shenhe District, Liaoning, Shenyang Patentee after: Shenyang Huaxiang Machinery Works Address before: Senior officials of Taiwan Street in Dongling District of Shenyang city of Liaoning Province, No. 11 110161 Patentee before: Shenyang Huaxiang Mining Machinery Plant |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150916 Address after: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Patentee after: Liaoning Tian'an Technology Co., Ltd. Address before: 110161, 11, senior street, Shenhe District, Liaoning, Shenyang Patentee before: Shenyang Huaxiang Machinery Works |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |
|
| CX01 | Expiry of patent term |