CN202631298U - Sampling head - Google Patents
Sampling head Download PDFInfo
- Publication number
- CN202631298U CN202631298U CN 201220330661 CN201220330661U CN202631298U CN 202631298 U CN202631298 U CN 202631298U CN 201220330661 CN201220330661 CN 201220330661 CN 201220330661 U CN201220330661 U CN 201220330661U CN 202631298 U CN202631298 U CN 202631298U
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- oil cylinder
- sampling head
- bearing
- elevating lever
- urceolus
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Abstract
The utility model relates to the technical field of sampling devices and discloses a sampling head. The sampling head comprises a telescopic cylinder, a rotary motor, a motor gear, an outer barrel, a drill bit, a lifting rod, a stripper plate, a cylinder piston rod, an outer gear ring and a stop block. The sampling head has the beneficial effects that the sampled products are sealed in a sampling room, thus avoiding the situation that the sampled dry coal, pulverized coal and ore grains are easy to leak; the stripper plate in the outer barrel can move up and down and can remove the residual samples in the barrel, thus avoiding material sticking and blockage; the grain sizes of the materials with higher moisture can be sampled; and the sampling head has the advantages of reasonable structure, obvious effect and strong practicability.
Description
Technical field
The utility model relates to the sampling apparatus technical field, mainly is applicable to sampling head.
Background technology
Wuhan Iron and Steel Plant has five coal samling machines now, is the bridge-type Sampling Machine, and wherein three are used for the coking coal samling, and two are used for industrial port.The bridge-type Sampling Machine mainly is made up of cart, carriage walking mechanism, sampling head, feed rubber conveyer, collecting bin and control system, and wherein the equipment of core is sampling apparatus (sampling head) the most, directly has influence on the precision and the accuracy of sampling.
At present; The sampling head that uses on the Wuhan Iron and Steel Plant coal Sampling Machine is short sped structure; This sampling head mainly comprises parts such as taper crushing head, helical cut lifter, tubular circumference cutter, central shaft hypomere, tubular shaft hypomere, central shaft epimere, tubular shaft epimere, low-gear, clutch coupling, main drive shaft, high gear and motor, its concrete structure such as Fig. 1.
Its principle of work is following: during sampling, the circumference cutter is done downward circumference cutting to the bed of material under the drive of low-gear, tubular shaft, cover the material at set point place; The material of bottom is cut open with the material of periphery; Because drum outer wall has the screw thread guidance tape, the underspin resistance is little, and underspin speed is fast.The crushing head of taper simultaneously, helical cut lifter are done downward broken and cutting to the bed of material under the drive of high gear, central shaft; Cover in the circumference cutter tube through broken material by the helical cut lifter upwards from the conically shaped top tapping discharge, will sample last time simultaneously sticks to an interior powder and removes fully and drain.When arriving the degree of depth of sampled point; Because the dead electricity of clutch coupling is separated; And high gear, central shaft, helical cutters, taper crushing head are stopped the rotation, exist the material in the circumference cutter tube to be the sample of taking specifically (the material stock volume is the volume by weight of increment in the tube).At this moment protecting an interior sample on the circumference cutter counter steer withdraws from the bed of material and moves to the emptying point; Clutch coupling gets when arriving the emptying point; Helical cutters is made high speed reverse rotation and is arranged sample in the tube fast to discharge hopper; Accomplish the sampling overall process of a point, under control, accomplish the sampling of each point then again and again.
In actual use, though this short spiral sampling head can be gathered the sample of certain particle size, still there are some shortcomings:
1. occur situation such as sizing, putty often, and its discharging is incomplete, occurs the situation of batch mixing easily, causes coal dust sampling result of laboratory test not conform to the actual conditions;
2. the sampling thief opening size is little, for the material of coarsegrain can't directly adopt into;
3. under the situation less at moisture content of material, that loading is looser, the coarsegrain material can't be broken;
4. sampling thief is the opening shape, and in mobile or lifting process, the sample loss situation is serious;
5. the frequent and material pressurized friction of helical blade, durability is lower.
The utility model content
The utility model technical matters to be solved provides a kind of sampling head, and it can effectively avoid being stained with in the sampling process generation stifled, the batch mixing phenomenon, thereby increases substantially sample effect and sampling accuracy.
For solving the problems of the technologies described above, the utility model provides a kind of sampling head to comprise: telescopic oil cylinder, rotation motor, motor gear, urceolus, drill bit, elevating lever, stripper, oil cylinder piston bar, external toothing, limited block; Said telescopic oil cylinder and said rotation motor are arranged on the pedestal of elevating mechanism, and said external toothing is arranged on the said urceolus, and said motor gear is drawn from the output terminal of rotation motor, and external toothing and motor gear engagement; Said oil cylinder piston bar is drawn from the output terminal of telescopic oil cylinder, and is connected with said elevating lever, and the other end of elevating lever is connected with said drill bit; Said stripper is arranged on the elevating lever; Urceolus is connected with telescopic oil cylinder, and oil cylinder piston bar, elevating lever, stripper tube are lived; On urceolus, offer the up-down spacing hole, said limited block is arranged on the side of elevating lever upper board and can in said up-down spacing hole, moves up and down.
Further, said stripper is arranged on the elevating lever, and stripper is vertical with elevating lever.
Further, also comprise: dust cover; Said dust cover covers said rotation motor and motor gear.
Further, also comprise: bearing; Said urceolus is connected with said telescopic oil cylinder through said bearing.
Further, also comprise: the bearing locating piece; Said bearing locating piece is the plectane structure, and is fixed on the said telescopic oil cylinder; Center at the bearing locating piece offers through hole, and said oil cylinder piston bar passes said through hole; Said bearing also is connected with the bearing locating piece.
Further, also comprise: swivel bearing, bearing cap; Said swivel bearing is arranged on the lower end of said oil cylinder piston bar, and said bearing cap covers swivel bearing; Said limited block is arranged on the side of bearing cap, and can in said up-down spacing hole, move up and down.
Further, also comprise: the profile of tooth wimet; Said profile of tooth wimet is arranged on the lower end of said urceolus.
Further, also comprise: boss; Said drill bit is connected with the other end of said elevating lever through said boss.
Further, said drill bit is provided with external thread, and said externally threaded material also is a wimet.
The beneficial effect of the utility model is:
The utility model can effectively avoid being stained with in the sampling process generation stifled, the batch mixing phenomenon, thereby increases substantially sample effect and sampling accuracy.Drill bit is provided with external thread, thereby can carry out fragmentation and water conservancy diversion to moisture less material and coarsegrain material, reduces running resistance; Be provided with the profile of tooth wimet in the lower end of urceolus, make urceolus in the decline process, can carry out fragmentation, thereby further reduce running resistance and guaranteed sampling the coarsegrain material to material; Elevating lever is provided with stripper, can make the material discharging in the urceolus complete, thereby has effectively avoided the generation of the phenomenon of batch mixing and putty, and has the self-cleaning function; Drill bit is fixed through boss and elevating lever, only needs demounting bolt can realize the loading and unloading to drill bit; The sampling airtight material storage area that the back is made up of stripper, urceolus and drill bit that finishes, the generation of the phenomenon of the material from leakage that can effectively avoid gathering; Outside rotation motor and motor gear, dust cover is installed, can not only avoids dust to get into, and can effectively avoid equipment and material to rub, thus the serviceable life that can improve sampling head.The utility model is rational in infrastructure, effect is remarkable, practical.
Description of drawings
Fig. 1 is the structural representation of existing short spiral sampling head.
The structural representation of the sampling head that Fig. 2 provides for the utility model embodiment.
Wherein, the pedestal of 1-elevating mechanism, 2-telescopic oil cylinder, 3-rotation motor, 4-dust cover, 5-motor gear; 6-urceolus top, 7-urceolus bottom, 8-swivel bearing, 9-limited block, 10-up-down spacing hole, 11-boss; 12-profile of tooth wimet, the 13-drill bit, the 14-external thread, between the 15-sampling, 16-elevating lever, 17-stripper; The 18-bearing cap, 19-oil cylinder piston bar, 20-bearing locating piece, 21-bearing, 22-external toothing.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, and below in conjunction with accompanying drawing and preferred embodiment, the embodiment and the principle of work of the sampling head that proposes according to the utility model is elaborated.
Can know that by Fig. 2 the sampling head that the utility model provides comprises: telescopic oil cylinder 2, rotation motor 3, motor gear 5, urceolus, drill bit 13, elevating lever 16, stripper 17, oil cylinder piston bar 19, external toothing 22, limited block 9, bearing 21, swivel bearing 8, bearing cap 18, profile of tooth wimet 12, bearing locating piece 20.Urceolus is connected to form through bolt by urceolus top 6 and urceolus bottom 7; Telescopic oil cylinder 2 is arranged on the pedestal 1 of elevating mechanism (hoist cylinder, stepper motor are perhaps led chain for guide wheel) with rotation motor 3, and external toothing 22 is arranged on the urceolus top 6, and urceolus top 6 is connected with telescopic oil cylinder 2.Motor gear 5 is drawn from the output terminal of rotation motor 3, and external toothing 22 and motor gear 5 engagements; Oil cylinder piston bar 19 is drawn from the output terminal of telescopic oil cylinder 2, and is connected with elevating lever 16, and the other end of elevating lever 16 is connected with drill bit 13; Stripper 17 is arranged on the elevating lever 16, and stripper 17 is vertical with elevating lever 16; At this moment by stripper 17, urceolus bottom 7, drill bit 13 form the sampling between 15.Whole urceolus is lived oil cylinder piston bar 19, elevating lever 16,17 of strippers, and urceolus top 6 is connected fixing with telescopic oil cylinder 2 through bearing 21; Bearing locating piece 20 is the plectane structure, and through being bolted on the telescopic oil cylinder 2; Center at bearing locating piece 20 offers through hole, and oil cylinder piston bar 19 passes through hole; Bearing 21 also is connected fixing with bearing locating piece 20.On urceolus bottom 7, offer up-down spacing hole 10, limited block 9 be arranged on elevating lever 16 upper board the side and can in up-down spacing hole 10, move up and down.Profile of tooth wimet 12 is arranged on the lower end of urceolus bottom 7.Swivel bearing 8 is arranged on the lower end of oil cylinder piston bar 19; Bearing cap 18 covers swivel bearing 8, and is connected with the upper board of elevating lever 16 through bolt; Limited block 9 is arranged on the side of bearing cap 18.
In order effectively to avoid dust to get into the sampling head that the utility model provides; And avoid equipment and material to rub; Thereby improve the sampling head serviceable life that the utility model provides, in the present embodiment, adopt dust cover 4 that rotation motor 3 and motor gear 5 are covered.
In order to realize the easy disassembly of drill bit 13, in the present embodiment, drill bit 13 is through being bolted on the boss 11, and is connected with the other end of elevating lever 16 through boss 11.When reality is used, only need assembling-disassembling bolt just can realize dismounting to drill bit 13.
In order to make drill bit 13 in the decline process, material carried out fragmentation and water conservancy diversion,, in the present embodiment, on drill bit 13, be arranged on external thread 14, and the material of external thread 14 also is a wimet to reduce running resistance.
The sampling head that the utility model provides is opened elevating mechanism earlier in use, and at this moment elevating mechanism promotes whole sampling head and does vertical movement downwards.Open rotation motor 3 (perhaps motor) simultaneously, rotation motor 3 (perhaps motor) is rotated in the forward, and rotation motor 3 rotations drive motor gear 5 rotations that are installed in its output terminal.Because external toothing 22 is meshing with each other with motor gear 5, so motor gear 5 engagements drive external toothing 22 rotations.Because external toothing 22 is mounted on the urceolus top 6; So urceolus top 6 also rotates synchronously; Urceolus top 6 and urceolus bottom 7 are consolidated through bolt in addition, so whole urceolus under the double action of elevating mechanism and rotation motor 3, is done rotatablely moving vertically downward.And urceolus bottom 7 is provided with profile of tooth wimet 12, thus urceolus when moving downward, profile of tooth wimet 12 can carry out cutting and crushing to coal sample, to reduce the resistance that urceolus moves downward.Intermediate shaft mainly is made up of oil cylinder piston bar 19, stripper 17 and drill bit 13.When urceolus rotates; Because limited block 9 is mounted in the up-down spacing hole 10; So limited block 9 can rotate with urceolus; And the upper board of bearing cap 18 and elevating lever 16 through bolt together and limited block 9 be cemented in the side of bearing cap 18 and elevating lever 16 upper boards through bolt, so whole elevating lever 16 can be done rotatablely moving vertically downward with urceolus, thereby the drill bit 13 that drives elevating lever 16 lower ends is done rotatablely moving vertically downward together.Owing on the drill bit 13 external thread 14 is arranged,, has further reduced the resistance that sampling head moves downward so can cut to coal sample.But because swivel bearing 8 is arranged on the lower end of oil cylinder piston bar 19, so oil cylinder piston bar 19 can not be rotated motion.When whole sampling head arrived the sample area of setting, elevating mechanism stopped to descend, and rotation motor 3 continues rotation.Open telescopic oil cylinder 2 this moment, stretches out through telescopic oil cylinder 2 control oil cylinder piston bars 19, makes whole elevating lever 16, stripper 17, drill bit 13 under the guide effect of limited block 9, does rotatablely moving vertically downward in the up-down spacing hole 10 on the urceolus.Along with stretching out of oil cylinder piston bar 19, drill bit 13 breaks away from the bottom surface of urceolus bottom 7, and open 15 lower ends between originally airtight sampling.When limited block 9 arrives the extreme position of up-down spacing holes 10,3 reverse rotations of control rotation motor, oil cylinder piston bar 19 is slowly regained, coal sample from the opening of 15 lower ends between the sampling of opening get into sample between 15.When oil cylinder piston bar 19 is got back to initial position, 15 lower ending opening sealing between sampling, institute's coal sampling is stored between sampling in 15.Then, the control elevating mechanism is upwards done vertical movement, and the whole sampling head of elevating mechanism and rotation motor 3 controls this moment is vertical to rotate rising, sampling work completion.
When sampling head arrives when unloading kind position, to control rotation motor 3 again and be rotated in the forward, oil cylinder piston bar 19 stretches out; Drill bit 13 descends synchronously with stripper 17 and rotates; Open 15 lower ends between sampling, and coal sample is accomplished discharging work under the downward thrust of the centrifugal force of drill bit 13 rotation and stripper 17.
The sampling head that the utility model provides is sealed in sample thief between sampling in 15, does not have the situation of taking dry coal, fine coal, ore particle etc. to leak outside easily; Stripper 17 in the urceolus can move up and down, and can residual sample in the tube be removed, do not exist be stained with, the putty phenomenon; Can sample to the higher raw meal particle size of moisture.The utility model is rational in infrastructure, effect is remarkable, practical.
It should be noted last that; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to instance the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (9)
1. a sampling head is characterized in that, comprising: telescopic oil cylinder, rotation motor, motor gear, urceolus, drill bit, elevating lever, stripper, oil cylinder piston bar, external toothing, limited block; Said telescopic oil cylinder and said rotation motor are arranged on the pedestal of elevating mechanism, and said external toothing is arranged on the said urceolus, and said motor gear is drawn from the output terminal of rotation motor, and external toothing and motor gear engagement; Said oil cylinder piston bar is drawn from the output terminal of telescopic oil cylinder, and is connected with said elevating lever, and the other end of elevating lever is connected with said drill bit; Said stripper is arranged on the elevating lever; Urceolus is connected with telescopic oil cylinder, and oil cylinder piston bar, elevating lever, stripper tube are lived; On urceolus, offer the up-down spacing hole, said limited block is arranged on the side of elevating lever upper board and can in said up-down spacing hole, moves up and down.
2. sampling head as claimed in claim 1 is characterized in that said stripper is arranged on the elevating lever, and stripper is vertical with elevating lever.
3. sampling head as claimed in claim 1 is characterized in that, also comprises: dust cover; Said dust cover covers said rotation motor and motor gear.
4. sampling head as claimed in claim 1 is characterized in that, also comprises: bearing; Said urceolus is connected with said telescopic oil cylinder through said bearing.
5. sampling head as claimed in claim 4 is characterized in that, also comprises: the bearing locating piece; Said bearing locating piece is the plectane structure, and is fixed on the said telescopic oil cylinder; Center at the bearing locating piece offers through hole, and said oil cylinder piston bar passes said through hole; Said bearing also is connected with the bearing locating piece.
6. sampling head as claimed in claim 1 is characterized in that, also comprises: swivel bearing, bearing cap; Said swivel bearing is arranged on the lower end of said oil cylinder piston bar, and said bearing cap covers swivel bearing; Said limited block is arranged on the side of bearing cap, and can in said up-down spacing hole, move up and down.
7. sampling head as claimed in claim 1 is characterized in that, also comprises: the profile of tooth wimet; Said profile of tooth wimet is arranged on the lower end of said urceolus.
8. sampling head as claimed in claim 1 is characterized in that, also comprises: boss; Said drill bit is connected with the other end of said elevating lever through said boss.
9. like any described sampling head among the claim 1-8, it is characterized in that said drill bit is provided with external thread, said externally threaded material also is a wimet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330661 CN202631298U (en) | 2012-07-10 | 2012-07-10 | Sampling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330661 CN202631298U (en) | 2012-07-10 | 2012-07-10 | Sampling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631298U true CN202631298U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330661 Expired - Fee Related CN202631298U (en) | 2012-07-10 | 2012-07-10 | Sampling head |
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| CN (1) | CN202631298U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458318A (en) * | 2014-11-17 | 2015-03-25 | 中国矿业大学 | Pneumatic press-in soft coal seam micro disturbance sampling device |
| CN105352755A (en) * | 2015-12-10 | 2016-02-24 | 陈兴怀 | Solid material sampling machine |
| CN105483785A (en) * | 2016-01-25 | 2016-04-13 | 浙江瑞丰机械设备有限公司 | Main shaft mechanism with extending and contracting as well as rotating functions |
| CN105479443A (en) * | 2016-01-25 | 2016-04-13 | 浙江瑞丰机械设备有限公司 | Claw type manipulator device with stretching, retracting and rotating functions |
| CN105806649A (en) * | 2016-03-16 | 2016-07-27 | 河南工业大学 | Extendable-and-retractable type grain pile grain condition detection system |
| CN105928737A (en) * | 2016-04-20 | 2016-09-07 | 无锡职业技术学院 | Rapid crushing and sampling gun |
| CN106053133A (en) * | 2016-08-19 | 2016-10-26 | 张德钊 | Efficient geological sample sampling apparatus |
| CN106441988A (en) * | 2016-11-04 | 2017-02-22 | 安阳新达高新技术开发有限公司 | Spiral sampling device of materials |
| CN105486540B (en) * | 2016-01-15 | 2018-04-24 | 杭州景业智能科技有限公司 | The accurate sampler of dusty material |
| CN109580272A (en) * | 2017-09-28 | 2019-04-05 | 湖南三德科技股份有限公司 | A kind of coal sample automatic sampling method and device |
| CN109596387A (en) * | 2019-01-29 | 2019-04-09 | 宋文伟 | Portable sampling device is used in a kind of detection of coal mine |
| CN110095305A (en) * | 2019-04-16 | 2019-08-06 | 湖南城市学院 | Sampler is used in a kind of soil pollution detection |
| CN111624030A (en) * | 2020-07-03 | 2020-09-04 | 徐州三原电力测控技术有限公司 | Sampler for large-particle-size materials in transport tool |
| CN112033735A (en) * | 2020-09-22 | 2020-12-04 | 山东省核工业二四八地质大队 | Novel sampling is smashed with deep rock to geological exploration device |
| CN113355996A (en) * | 2021-06-19 | 2021-09-07 | 江苏杜邦建设工程有限公司 | Highway road surface finishing device |
| CN113790921A (en) * | 2021-08-20 | 2021-12-14 | 华能曲阜热电有限公司 | Can increase income factory coal sampling head of coal sample compactness |
| CN116025269A (en) * | 2023-03-30 | 2023-04-28 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Drilling equipment for geological investigation of solid mineral products |
-
2012
- 2012-07-10 CN CN 201220330661 patent/CN202631298U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458318A (en) * | 2014-11-17 | 2015-03-25 | 中国矿业大学 | Pneumatic press-in soft coal seam micro disturbance sampling device |
| CN105352755B (en) * | 2015-12-10 | 2017-12-19 | 陈兴怀 | A kind of solid material Sampling Machine |
| CN105352755A (en) * | 2015-12-10 | 2016-02-24 | 陈兴怀 | Solid material sampling machine |
| CN105486540B (en) * | 2016-01-15 | 2018-04-24 | 杭州景业智能科技有限公司 | The accurate sampler of dusty material |
| CN105483785A (en) * | 2016-01-25 | 2016-04-13 | 浙江瑞丰机械设备有限公司 | Main shaft mechanism with extending and contracting as well as rotating functions |
| CN105479443A (en) * | 2016-01-25 | 2016-04-13 | 浙江瑞丰机械设备有限公司 | Claw type manipulator device with stretching, retracting and rotating functions |
| CN105806649A (en) * | 2016-03-16 | 2016-07-27 | 河南工业大学 | Extendable-and-retractable type grain pile grain condition detection system |
| CN105806649B (en) * | 2016-03-16 | 2018-06-22 | 河南工业大学 | A kind of extension type grain heap grain feelings detection system |
| CN105928737A (en) * | 2016-04-20 | 2016-09-07 | 无锡职业技术学院 | Rapid crushing and sampling gun |
| CN106053133A (en) * | 2016-08-19 | 2016-10-26 | 张德钊 | Efficient geological sample sampling apparatus |
| CN106441988A (en) * | 2016-11-04 | 2017-02-22 | 安阳新达高新技术开发有限公司 | Spiral sampling device of materials |
| CN109580272A (en) * | 2017-09-28 | 2019-04-05 | 湖南三德科技股份有限公司 | A kind of coal sample automatic sampling method and device |
| CN109596387A (en) * | 2019-01-29 | 2019-04-09 | 宋文伟 | Portable sampling device is used in a kind of detection of coal mine |
| CN109596387B (en) * | 2019-01-29 | 2024-05-24 | 山东九商定向钻探有限公司 | Portable sampling device for coal mine detection |
| CN110095305A (en) * | 2019-04-16 | 2019-08-06 | 湖南城市学院 | Sampler is used in a kind of soil pollution detection |
| CN111624030A (en) * | 2020-07-03 | 2020-09-04 | 徐州三原电力测控技术有限公司 | Sampler for large-particle-size materials in transport tool |
| CN112033735A (en) * | 2020-09-22 | 2020-12-04 | 山东省核工业二四八地质大队 | Novel sampling is smashed with deep rock to geological exploration device |
| CN113355996A (en) * | 2021-06-19 | 2021-09-07 | 江苏杜邦建设工程有限公司 | Highway road surface finishing device |
| CN113355996B (en) * | 2021-06-19 | 2022-03-11 | 江苏杜邦建设工程有限公司 | Highway road surface finishing device |
| CN113790921A (en) * | 2021-08-20 | 2021-12-14 | 华能曲阜热电有限公司 | Can increase income factory coal sampling head of coal sample compactness |
| CN116025269A (en) * | 2023-03-30 | 2023-04-28 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Drilling equipment for geological investigation of solid mineral products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170705 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20180710 |