CN109914381B - Ramming compaction device for roadbed construction - Google Patents
Ramming compaction device for roadbed construction Download PDFInfo
- Publication number
- CN109914381B CN109914381B CN201910114605.6A CN201910114605A CN109914381B CN 109914381 B CN109914381 B CN 109914381B CN 201910114605 A CN201910114605 A CN 201910114605A CN 109914381 B CN109914381 B CN 109914381B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- ramming
- block
- rod
- seat
- 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.)
- Active
Links
- 238000005056 compaction Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 3
- 230000005570 vertical transmission Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Road Paving Machines (AREA)
Abstract
The utility model discloses a roadbed construction ramming compaction device, which belongs to ramming equipment and comprises a horizontal fixing plate, wherein a height adjusting seat is fixedly connected to the right side above the horizontal fixing plate, a rotating hinge is fixedly connected to the top of the height adjusting seat, a swinging connecting rod is fixedly connected to the left side of the rotating hinge, a plurality of supporting ejector rods are fixedly connected to the bottom of the swinging connecting rod at equal intervals, a longitudinal transmission rod is rotatably connected to the left end of the swinging connecting rod, a ramming shell is fixedly connected to the lower end of the longitudinal transmission rod, a ramming block is slidably connected to the inner side of the ramming shell, and a first spring is fixedly connected to the inside of the ramming block. During the use, the motor rotates to drive the ejector block to jack up the supporting ejector rod, then the ramming block is used for ramming the roadbed under the action of gravity, and the device can adjust the ejector block to be matched with different supporting ejector rods according to requirements, so that the adjustment of different jacking heights of the ramming block is realized, the adjustment of the ramming force is further realized, and the applicability is wider.
Description
Technical Field
The utility model relates to ramming equipment, in particular to a ramming compaction device for roadbed construction.
Background
The rammer is a machine for ramming, and is a compaction machine for compacting backfill soil in layers by utilizing the impact and impact vibration actions. The method is mostly used for leveling and tamping the foundation during construction.
For this reason, chinese patent (issued publication number: CN 208152004U) discloses a ramming compaction device for roadbed construction, and the device discloses a ramming compaction device for roadbed construction, including first support, symmetrically fixedly connected with support column on the lower surface of first support, the support column is kept away from the one end fixedly connected with second support of first support, fixedly connected with riser on the left side terminal surface of first support, one side fixedly connected with pushing handle of first support is kept away from to the riser, fixedly connected with balancing weight on the upper surface of first support, one side fixedly connected with connecting rod of keeping away from the riser of balancing weight, one end fixedly connected with ramming mechanism of balancing weight is kept away from to the connecting rod, the mounting hole has been seted up on the second support, the lower surface of first support is fixedly connected with mount pad symmetrically. According to the utility model, the hydraulic cylinder drives the piston rod to shrink so that the roller is retracted into the mounting port, so that the bearing point of the device is transferred from the roller to the second support, and the self weight of the balancing weight is matched, so that the tamping mechanism cannot shift during working, and the tamping operation is more ordered.
But the device is inconvenient in adjusting the tamping force when in use. For this purpose, a ramming compaction device for roadbed construction is proposed by those skilled in the art to solve the problems presented in the background above.
Disclosure of Invention
The utility model aims to provide a ramming compaction device for roadbed construction, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a road bed construction compaction device that beats, includes the horizontal fixed plate, horizontal fixed plate top right side fixedly connected with height adjustment seat, height adjustment seat top fixedly connected with rotation hinge, rotation hinge left side fixedly connected with swing connecting rod, equidistant fixedly connected with a plurality of support ejector pins in swing connecting rod bottom, swing connecting rod left end rotation is connected with vertical transfer line, vertical transfer line lower extreme fixedly connected with tamp shell, tamp shell inboard sliding connection has the tamp piece, the inside fixedly connected with first spring of tamp piece, the first spring other end and tamp shell interior top fixedly connected with, spacing spout has been seted up in horizontal fixed plate top left side, spacing spout inboard sliding connection has spacing slider, spacing slider top fixedly connected with fixed bolster, fixed bolster top rear side fixedly connected with motor cabinet, motor cabinet top fixedly connected with motor, motor output fixedly connected with drive pivot, drive pivot and fixed bolster rotate and be connected with the rotation wheel, rotation wheel outside fixedly connected with kicking block, the kicking block cooperatees with support ejector pin.
As a further scheme of the utility model: the bottom of the horizontal fixing plate is symmetrically and fixedly connected with a bearing bracket in a left-right mode, a driving wheel shaft is rotationally connected below the bearing bracket, and a driving wheel is rotationally connected to the outer side of the driving wheel shaft.
As still further aspects of the utility model: the right side above the horizontal fixing plate is fixedly connected with a fixing connecting plate, an inclined push rod is fixedly connected above the fixing connecting plate, and a handle is fixedly connected to the top of the inclined push rod.
As still further aspects of the utility model: the left side threaded connection of spacing slider top has the holding bolt, and the holding bolt runs through spacing slider and horizontal fixed plate and cooperatees.
As still further aspects of the utility model: and a clamping device is fixedly connected between the limiting slide block and the horizontal fixing plate.
As still further aspects of the utility model: the clamping device comprises a guide hole which is formed in the outer side of the limiting sliding block, a clamping rod is slidably connected to the inner side of the guide hole, a second spring is fixedly connected between the clamping rod and the guide block, a plurality of arc-shaped clamping holes are formed in the inner side of the limiting sliding groove, and the arc-shaped clamping holes are matched with the outer ends of the clamping rod.
As still further aspects of the utility model: the outer end of the clamping rod is hemispherical.
As still further aspects of the utility model: the height adjusting seat comprises a guide seat, the inner side of the guide seat is connected with a telescopic seat in a sliding mode, and the telescopic seat is matched with the guide seat through a fixing bolt in threaded connection with the side wall of the guide seat.
As still further aspects of the utility model: the motor is electrically connected with a power supply through a switch and a power line.
As still further aspects of the utility model: the first spring and the second spring are metal springs.
Compared with the prior art, the utility model has the beneficial effects that: the device has a simple structure and is convenient to use, the supporting ejector rod is jacked up by the motor for rotating and driving the jacking block, then the tamping block is used for tamping the roadbed under the action of gravity, and the device can adjust the jacking block to be matched with different supporting ejector rods according to requirements, so that the adjustment of different jacking heights of the tamping block is realized, the adjustment of tamping force is further realized, the applicability is wider, and the device is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural view of a ramming compaction device for roadbed construction;
FIG. 2 is a schematic view showing a top-down structure of a horizontal fixing rod in a ramming compaction device for roadbed construction;
FIG. 3 is a schematic diagram of a left-hand construction of a motor in a ramming compaction device for roadbed construction;
FIG. 4 is a schematic structural view of a clamping device in a ramming and compacting device for roadbed construction;
FIG. 5 is a schematic sectional view of a height adjusting seat in a ramming and compacting device for roadbed construction
In the figure: the device comprises a 1-horizontal fixing plate, a 2-bearing support, a 3-driving wheel shaft, a 4-driving wheel, a 5-fixing connecting plate, a 6-inclined push rod, a 7-grip, an 8-height adjusting seat, a 81-guide seat, a 82-telescopic seat, a 83-fixing bolt, a 9-rotating hinge, a 10-swinging connecting rod, a 11-supporting ejector rod, a 12-longitudinal transmission rod, a 13-tamping shell, a 14-tamping block, a 15-first spring, a 16-limiting chute, a 17-limiting slide block, a 18-fastening bolt, a 19-fixing support column, a 20-motor seat, a 21-motor, a 22-driving rotation, a 23-rotating wheel, a 24-ejector block, a 25-clamping device, a 251-guide hole, a 252-clamping rod, a 253-second spring and a 254-arc clamping hole.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiment one: referring to fig. 1-5, a compaction device for roadbed construction comprises a horizontal fixing plate 1, wherein a height adjusting seat 8 is fixedly connected to the right side above the horizontal fixing plate 1, a rotary hinge 9 is fixedly connected to the top of the height adjusting seat 8, a swinging connecting rod 10 is fixedly connected to the left side of the rotary hinge 9, a plurality of supporting ejector rods 11 are fixedly connected to the bottom of the swinging connecting rod 10 at equal intervals, a longitudinal transmission rod 12 is rotatably connected to the left end of the swinging connecting rod 10, a compaction housing 13 is fixedly connected to the lower end of the longitudinal transmission rod 12, a compaction block 14 is slidingly connected to the inner side of the compaction housing 13, a first spring 15 is fixedly connected to the inner side of the compaction block 14, the other end of the first spring 15 is fixedly connected to the inner top of the compaction housing 13, the outer end of the swinging connecting rod 10 swings upwards under the action of driving force, and then the compaction block 14 falls under the action of gravity to realize compaction;
the left side above the horizontal fixed plate 1 is provided with a limit chute 16, the inner side of the limit chute 16 is connected with a limit sliding block 17 in a sliding way, a fixed supporting seat 19 is fixedly connected above the limit sliding block 17, a motor seat 20 is fixedly connected to the rear side above the fixed supporting seat 19, a motor 21 is fixedly connected above the motor seat 20, the output end of the motor 21 is fixedly connected with a driving rotating shaft 22, the driving rotating shaft 22 is rotationally connected with the fixed supporting seat 19, the outer side of the driving rotating shaft 22 is fixedly connected with a rotating wheel 23, the outer side of the rotating wheel 23 is fixedly connected with a top block 24, and the top block 24 is matched with the supporting push rod 11;
when the device is used, the motor 21 is started, the motor 21 rotates to drive the driving rotating shaft 22 to rotate, the driving rotating shaft 22 rotates to drive the rotating wheel 23 to rotate, then the jacking block 24 is driven to rotate, the jacking block 24 can periodically jack up the swinging connecting rod 10 through the supporting jacking rod 11, so that the swinging connecting rod 10 is in an inclined state, then when the jacking block 24 is staggered with the supporting jacking rod 11, the swinging connecting rod 10 falls down under the action of gravity, the tamping block 14 can be contacted with the ground, the ground is tamped, the first spring 15 enables the tamping block 14 to buffer when the ground is tamped, and rigid collision is avoided;
the limit sliding blocks 17 can be adjusted in a sliding mode on the left side and the right side during tamping, after the limit sliding blocks 17 are adjusted, the jacking blocks 24 are matched with different support jacking rods 11, the jacking height of the tamping blocks 14 can be reduced along with the leftward movement of the matched support jacking rods 11, the tamping force can be reduced, and accordingly the tamping machine can be adjusted and is wide in application range.
The bottom of the horizontal fixing plate 1 is symmetrically and fixedly connected with a bearing bracket 2 in a left-right mode, a driving wheel shaft 3 is rotationally connected below the bearing bracket 2, and a driving wheel 4 is rotationally connected to the outer side of the driving wheel shaft 3.
The right side above the horizontal fixing plate 1 is fixedly connected with a fixing connecting plate 5, an inclined push rod 6 is fixedly connected above the fixing connecting plate 5, and a handle 7 is fixedly connected to the top of the inclined push rod 6.
The left side threaded connection above the limit sliding block 17 is provided with a fastening bolt 18, and the fastening bolt 18 penetrates through the limit sliding block 17 to be matched with the horizontal fixing plate 1.
The height adjusting seat 8 comprises a guide seat 81, a telescopic seat 82 is slidably connected to the inner side of the guide seat 81, and the telescopic seat 82 is matched with the guide seat 81 through a fixing bolt 83 in threaded connection with the side wall of the guide seat 81.
The motor 21 is electrically connected with a power supply through a switch and a power line.
The first spring 15 and the second spring 253 are metal springs.
Embodiment two: this embodiment is a further improvement over the previous embodiment: and a clamping device 25 is fixedly connected between the limit sliding block 17 and the horizontal fixing plate 1. The locking device 25 comprises a guide hole 251 arranged on the outer side of the limit sliding block 17, a locking rod 252 is slidably connected on the inner side of the guide hole 251, a second spring 253 is fixedly connected between the locking rod 252 and the guide block 251, a plurality of arc-shaped locking holes 254 are formed on the inner side of the limit sliding groove 16, and the arc-shaped locking holes 254 are matched with the outer ends of the locking rods 252. The outer end of the engaging rod 252 is hemispherical. The clamping device 25 enables the limiting slide block 17 to be matched with the arc-shaped clamping holes 254 in the left-right movement process, so that the position of the limiting slide block 17 can be accurately adjusted, and inaccurate adjustment is avoided.
The working principle of the utility model is as follows: when the utility model is used, the motor 21 is started, the motor 21 rotates to drive the driving rotating shaft 22 to rotate, the driving rotating shaft 22 rotates to drive the rotating wheel 23 to rotate, then the jacking block 24 is driven to rotate, the jacking block 24 periodically jacks up the swinging connecting rod 10 through the supporting jacking rod 11, so that the swinging connecting rod 10 is in an inclined state, then when the jacking block 24 is staggered with the supporting jacking rod 11, the swinging connecting rod 10 falls under the action of gravity, the tamping block 14 is contacted with the ground, thereby tamping the ground, the first spring 15 enables the tamping block 14 to buffer when the ground is tamped, rigid collision is avoided, the limiting sliding blocks 17 can be adjusted by sliding leftwards and rightwards during tamping, after the limiting sliding blocks 17 are adjusted, the jacking block 24 is matched with different supporting jacking rods 11, the jacking height of the tamping block 14 is reduced along with the left movement of the matched supporting jacking rods 11, and thus the application range is wider.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a road bed construction ramming compaction device, includes horizontal fixed plate (1), and horizontal fixed plate (1) top right side fixedly connected with height adjustment seat (8), height adjustment seat (8) top fixedly connected with rotates hinge (9), rotation hinge (9) left side fixedly connected with swing connecting rod (10), equidistant fixedly connected with a plurality of supporting rod (11) in swing connecting rod (10) bottom, swing connecting rod (10) left end rotation is connected with vertical transmission pole (12), vertical transmission pole (12) lower extreme fixedly connected with ramming shell (13), ramming shell (13) inboard sliding connection has ramming block (14), ramming block (14) inside fixedly connected with first spring (15), the top fixedly connected with in first spring (15) other end and ramming shell (13), its characterized in that, limit chute (16) are seted up in horizontal fixed plate (1) top left side, limit chute (16) inboard sliding connection has limit slider (17), limit slider (17) top fixedly connected with fixed support seat (19), fixed support seat (19) are connected with motor (21) fixedly connected with motor housing (20) top, motor housing (21) fixedly connected with motor housing (20), the driving rotating shaft (22) is rotationally connected with the fixed supporting seat (19), a rotating wheel (23) is fixedly connected to the outer side of the driving rotating shaft (22), a jacking block (24) is fixedly connected to the outer side of the rotating wheel (23), and the jacking block (24) is matched with the supporting ejector rod (11);
when the device is used, the motor (21) is started, the motor (21) rotates to drive the driving rotating shaft (22) to rotate, the driving rotating shaft (22) rotates to drive the rotating wheel (23) to rotate, then the jacking block (24) is driven to rotate, the swinging connecting rod (10) is jacked up periodically through the supporting ejector rod (11), the swinging connecting rod (10) is in an inclined state, then when the jacking block (24) is staggered with the supporting ejector rod (11), the swinging connecting rod (10) falls under the action of gravity, the tamping block (14) is contacted with the ground, the ground is tamped, and the first spring (15) enables the tamping block (14) to buffer when the ground is tamped;
when the tamping machine is used for tamping, the limiting slide blocks (17) are adjusted in a sliding mode on the left side and the right side, after the limiting slide blocks (17) are adjusted, the jacking blocks (24) are matched with different supporting ejector rods (11), the jacking height of the tamping blocks (14) is reduced along with the leftward movement of the matched supporting ejector rods (11), and the tamping force is reduced.
2. The ramming compaction device for roadbed construction according to claim 1, wherein the bottom of the horizontal fixing plate (1) is symmetrically and fixedly connected with a bearing bracket (2), a driving wheel shaft (3) is rotationally connected below the bearing bracket (2), and a driving wheel (4) is rotationally connected to the outer side of the driving wheel shaft (3).
3. The ramming compaction device for roadbed construction according to claim 1, wherein a fixed connection plate (5) is fixedly connected to the right side above the horizontal fixing plate (1), an inclined push rod (6) is fixedly connected to the upper side of the fixed connection plate (5), and a grip (7) is fixedly connected to the top of the inclined push rod (6).
4. The ramming compaction device for roadbed construction according to claim 1, wherein a fastening bolt (18) is connected to the left side of the upper part of the limit sliding block (17) in a threaded manner, and the fastening bolt (18) penetrates through the limit sliding block (17) to be matched with the horizontal fixing plate (1).
5. The ramming compaction device for roadbed construction according to any one of claims 1 to 4, wherein a clamping device (25) is fixedly connected between the limit slide block (17) and the horizontal fixing plate (1).
6. The ramming compaction device for roadbed construction according to claim 5, wherein the clamping device (25) comprises a guide hole (251) formed in the outer side of the limit sliding block (17), the inner side of the guide hole (251) is slidably connected with a clamping rod (252), a second spring (253) is fixedly connected between the clamping rod (252) and the guide hole (251), a plurality of arc-shaped clamping holes (254) are formed in the inner side of the limit sliding groove (16), and the arc-shaped clamping holes (254) are matched with the outer ends of the clamping rods (252).
7. The compaction device for roadbed construction according to claim 6, wherein the outer end of the engaging rod (252) is hemispherical.
8. The ramming and compacting device for roadbed construction according to claim 7, wherein the height adjusting seat (8) comprises a guide seat (81), a telescopic seat (82) is slidably connected to the inner side of the guide seat (81), and the telescopic seat (82) is matched with the guide seat (81) through a fixing bolt (83) in threaded connection with the side wall of the guide seat (81).
9. The ramming compaction device for roadbed construction according to claim 1, wherein the motor (21) is electrically connected with a power supply through a switch and a power line.
10. The ramming compaction device for roadbed construction according to claim 8, wherein the first springs (15) and the second springs (253) are metal springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114605.6A CN109914381B (en) | 2019-02-14 | 2019-02-14 | Ramming compaction device for roadbed construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114605.6A CN109914381B (en) | 2019-02-14 | 2019-02-14 | Ramming compaction device for roadbed construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914381A CN109914381A (en) | 2019-06-21 |
| CN109914381B true CN109914381B (en) | 2024-03-29 |
Family
ID=66961546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910114605.6A Active CN109914381B (en) | 2019-02-14 | 2019-02-14 | Ramming compaction device for roadbed construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109914381B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926653B (en) * | 2020-07-14 | 2022-02-11 | 杨伟 | Road and bridge construction is with basic unit's edge formwork department rolling machine |
| CN113047261A (en) * | 2021-03-24 | 2021-06-29 | 安徽金三环工程建设有限公司 | Municipal administration hand-held type device of ramming |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1040027A1 (en) * | 1980-07-03 | 1983-09-07 | Минский Филиал Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института Механизированного И Ручного Строительно-Монтажного Инструмента,Вибраторов И Строительно-Отделочных Машин | Self-propelled tamper |
| CN204456056U (en) * | 2015-02-09 | 2015-07-08 | 海安县恒益滑动轴承有限公司 | A kind ofly novel beat ground device |
| CN205530210U (en) * | 2016-01-29 | 2016-08-31 | 赵海青 | Rammer compactor with adjustable |
| CN105970904B (en) * | 2016-01-29 | 2018-07-27 | 张家口创鑫机械科技有限公司 | A kind of adjustable rammer compacter |
| CN106522197A (en) * | 2016-12-29 | 2017-03-22 | 广州市淞滨工程技术有限公司 | Tamping equipment for building construction |
| CN108005053A (en) * | 2017-12-06 | 2018-05-08 | 郑州诚合信息技术有限公司 | A kind of rammer with dual rammed earth body |
| CN108487005B (en) * | 2018-04-16 | 2020-04-21 | 安徽海龙机械有限公司 | Civil engineering construction is with road surface tamping device that can change compaction direction |
-
2019
- 2019-02-14 CN CN201910114605.6A patent/CN109914381B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109914381A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109914381B (en) | Ramming compaction device for roadbed construction | |
| CN206680986U (en) | A kind of rammer compacter easy to remove | |
| CN112359812A (en) | Foundation leveling device for building construction | |
| CN214737179U (en) | Road compaction device is used in construction | |
| CN111424503A (en) | Ground ramming device for traffic highway engineering | |
| CN215051836U (en) | Tamping device for earthwork engineering | |
| CN216040965U (en) | Rural highway is ditch ramming device for engineering construction | |
| CN215406001U (en) | Rammer compactor for earthwork | |
| CN213014245U (en) | High-quality soil filling equipment for road construction | |
| CN213143021U (en) | Ramming machine capable of moving accurately | |
| CN211571681U (en) | Rammer compactor is used in road surface foundation ditch construction | |
| CN211472466U (en) | Tamping device for building construction | |
| CN220433342U (en) | Roadbed ramming compaction device for highway roadbed construction | |
| CN113216141A (en) | Hydraulic vibration rammer compactor for weakening reaction force of oil cylinder | |
| CN112095403A (en) | Small-size rammer compactor is used in rolling formula road construction | |
| CN219470895U (en) | Soil ramming device for soil leveling engineering | |
| CN219862730U (en) | Building ground rammer compactor | |
| CN116145506A (en) | Roadbed tamping device for road and bridge construction | |
| CN220888217U (en) | Road construction rubble soil ramming device | |
| CN219010879U (en) | Road construction ramming machine | |
| CN216640155U (en) | Roadbed construction ramming compaction device | |
| CN219908882U (en) | Soil and stone foundation pit backfill rammer compactor | |
| CN220352782U (en) | Tamper for power engineering construction | |
| CN219508535U (en) | Soil rammer with double rammer heads | |
| CN212427060U (en) | Ramming machine for foundation engineering |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210422 Address after: No. 48, Qianwei village, Junwang administrative village, songtuan Town, Lieshan District, Huaibei City, Anhui Province Applicant after: Zhou Haisong Address before: Room 201, Unit 4, Building 395, No. 1, No. 644 Branch Road, Shuanggang East Street, Nanchang Economic and Technological Development Zone, Jiangxi Province Applicant before: Zhang Wei |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |