CN109209226A - Construction of hydro project drilling machine suitable for the drilling on harder soil - Google Patents
Construction of hydro project drilling machine suitable for the drilling on harder soil Download PDFInfo
- Publication number
- CN109209226A CN109209226A CN201811309794.4A CN201811309794A CN109209226A CN 109209226 A CN109209226 A CN 109209226A CN 201811309794 A CN201811309794 A CN 201811309794A CN 109209226 A CN109209226 A CN 109209226A
- Authority
- CN
- China
- Prior art keywords
- drilling
- filter box
- lifting
- pressing
- soil
- 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.)
- Withdrawn
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 76
- 239000002689 soil Substances 0.000 title claims abstract description 33
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 125000001145 hydrido group Chemical group *[H] 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011499 joint compound Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Abstract
The invention discloses a kind of construction of hydro project drilling machines suitable for the drilling on harder soil, including pedestal, filtered water tank is equipped on the left of pedestal upper end, suction hose is equipped in the middle part of filtered water tank, suction hose upper end is connected with pulsating pump, pulsating pump upper end is connected with aqueduct, No.1 hydraulic cylinder is equipped in the middle part of filtered water tank right end, pressing filter box is equipped on the right side of pedestal upper end, pressing plate is equipped with inside pressing filter box upper end, pressing filter box bottom inner portion is equipped with filter plate, filter plate lower end is equipped with spray head, spray head lower end is connected with distributive pipe, it is equipped on the left of pressing filter box upper end and draws dredge pump, draw dredge pump upper end and is connected with mud guide pipe, No.1 lifting arm is equipped in the middle part of pressing filter box right end, No.1 lifting arm upper end is connected with lifting large arm, lifting large arm upper end is connected with No. two lifting arms, lifting large arm and No. two lifting arm right ends are connected with drilling pipe.The present invention realizes drilling of the drilling rod on harder soil, increases water conservancy construction drilling well working efficiency, while also achieving the efficient water-removing recycling to soil is generated in boring procedure, practical.
Description
Technical field
The present invention relates to hydraulic engineering technical fields, are specifically suitable for the construction of hydro project of the drilling on harder soil
Use drilling machine.
Background technique
Engineering driller is one of drilling machine classification and extension, as its name suggests, engineering driller be for skyscraper, harbour,
The drilling machine of the large-diameter bored pile construction of the engineerings such as harbour, dam, electric power, bridge.
Engineering driller classification: impact drill makes drill bit impact shaft bottom with kata-rocks by the up-and-down movement of drilling tool
Layer.Its structure is simple, does not have circulation well cleanup system, removing and the drilling machine of landwaste cannot carry out simultaneously, thus effect is lower.Revolution
Churn, the pore-forming by the rotary motion broken rock of drilling tool.Combinationdrill has 2 kinds: one is will impact to make with revolution
With the water drilling rig for being combined together drilling, such as Pneumatic down-hole hammer.Down-hole hammer drilling tool is made of cylinder sleeve and piston etc..By sky
Air compressor provides pressure-air and piston is pushed to pump, and drill hammer is to enhance the ability that drill bit creeps into rock stratum.Separately
One is beater mechanism is added on the basis of turntable rotary drill, based on rotary drilling, rushed when encountering boulder bed
The dual-purpose water drilling rig for hitting drilling, to the adaptable of various stratum.
Chinese patent (Authorization Notice No.: CN205936394U) discloses a kind of water conservancy construction drilling machine, including car body,
Auger stem, although the device realizes the drilling well needs to water conservancy construction to a certain extent, in actual use process
In only by auger stem realize drill, efficiency is still low, is unable to satisfy the drilling well needs of harder soil, the practicability is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of construction of hydro project drilling machines, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of construction of hydro project drilling machine, including pedestal, pedestal lower end two sides are connected with traveling wheel, and pedestal upper end is left
Side is equipped with filtered water tank, is equipped with suction hose in the middle part of filtered water tank, suction hose upper end is connected with pulsating pump, and pulsating pump upper end is connected with diversion
Pipe, the filtered water tank right end middle part are equipped with No.1 hydraulic cylinder, and No.1 hydraulic cylinder right end is connected with hydraulic axis, the connection of hydraulic axis right end
There is push plate, pressing filter box is equipped on the right side of the pedestal upper end, is equipped with pressing plate inside pressing filter box upper end, pressing plate upper end is connected with No. two liquid
Cylinder pressure, the pressing filter box bottom inner portion are equipped with filter plate, and filter plate lower end is equipped with spray head, and spray head lower end is connected with distributive pipe, the pressure
It is equipped on the left of filter box upper end and draws dredge pump, drawn dredge pump upper end and be connected with mud guide pipe, be equipped with No.1 in the middle part of the pressing filter box right end and go up and down
Arm, No.1 lifting arm upper end are connected with lifting large arm, and lifting large arm upper end is connected with No. two lifting arms, the lifting large arm and two
Number lifting arm right end is connected with drilling pipe, is equipped with drilling rod inside drilling pipe, drilling rod upper end is connected with rotating electric machine.
As a further solution of the present invention: lower end is connected with baffle on the right side of the pressing filter box.
As a further solution of the present invention: soil case is equipped on the right side of the pedestal upper end.
As a further solution of the present invention: described to draw dredge pump pressing filter box is connected with by pipeline.
As a further solution of the present invention: the distributive pipe is connected with pulsating pump.
As further scheme of the invention: the filtered water tank and pressing filter box bottom end are connected with siphunculus.
Compared with prior art, the beneficial effects of the present invention are:
A kind of construction of hydro project drilling machine, it is structurally reasonable, it is novel in design, it is real by the filtered water tank and pulsating pump that are equipped with
Show drilling of the drilling rod on harder soil, considerably increases water conservancy construction drilling well working efficiency, while the filters pressing by being equipped with
Case realizes the efficient water-removing recycling to soil is generated in boring procedure, practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of construction of hydro project drilling machine.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of construction of hydro project drilling machine, including pedestal 1, the pedestal 1
Lower end two sides are connected with traveling wheel 25, for driving the traveling of whole device, are equipped with filtered water tank 3, filtered water tank on the left of 1 upper end of pedestal
3 and 18 bottom end of pressing filter box be connected with siphunculus, check valve is additionally provided in the siphunculus, so that the water in pressing filter box 18 may only
It is entered in filtered water tank 3 and is recycled by siphunculus, saved water resource, realize recycling for water in filtered water tank 3, clear water
Suction hose 2 is equipped in the middle part of case 3,2 upper end of suction hose is connected with pulsating pump 4, and 4 upper end of pulsating pump is connected with aqueduct 8, the diversion
8 right end of pipe is connected with drilling pipe 13, and the rotation for allowing water to follow drilling rod 14 drills, and sets in the middle part of 3 right end of filtered water tank
There is No.1 hydraulic cylinder 24,24 right end of No.1 hydraulic cylinder is connected with hydraulic axis 22, and 22 right end of hydraulic axis is connected with push plate 21, to make
Push plate 21 is obtained as hydraulic axis 22 moves left and right, and then the soil after filters pressing is pushed in soil case 16, on the pedestal 1
End right side is equipped with pressing filter box 18, and 18 right side lower end of pressing filter box is connected with baffle 17, for realizing soil case 16 and pressing filter box 18 it
Between separate, pressing plate 6 is equipped with inside 18 upper end of pressing filter box, to press the soil that dredge pump 5 is drawn into pressing filter box 18 is drawn
Filter, 6 upper end of pressing plate are connected with No. two hydraulic cylinders 9, and 18 bottom inner portion of pressing filter box is equipped with filter plate 20, so that containing in soil
Some moisture is filtered under the action of filter plate 20, and 20 lower end of filter plate is equipped with spray head 19, and 19 lower end of spray head is connected with distributive pipe
23, distributive pipe 23 is connected with pulsating pump 4, so that the clear water in filtered water tank 3 is sucked out, guides to spray head by the effect of distributive pipe 23
In 19, then filter plate 20 is rinsed, soil plug is avoided to live filter plate 20, increases the functional reliability of filter plate 20, it is described
It is equipped on the left of 18 upper end of pressing filter box and draws dredge pump 5, draw dredge pump 5 by pipeline and be connected with pressing filter box 18, draw 5 upper end of dredge pump and be connected with and draw
Mud pipe 7,18 right end of the pressing filter box middle part are equipped with No.1 lifting arm 15, and 15 upper end of No.1 lifting arm is connected with lifting large arm 10,
Lifting 10 upper end of large arm is connected with No. two lifting arms 11, and the lifting large arm 10 and No. two 11 right ends of lifting arm are connected with drilling pipe
13, the aqueduct 7 and mud guide pipe 7 are respectively connected with drilling pipe 13, provide required water when drilling rod 14 drills, and by drilling rod
Generated soil is guided in pressing filter box 18 when 14 drilling, drilling rod 14 is equipped with inside drilling pipe 13,14 upper end of drilling rod is connected with rotation
Motor 12, is the powered rotation source of drilling rod 14, and the rotating electric machine 12 is connected with power supply device, 1 upper end of pedestal right side
Equipped with soil case 16, generated soil recycle and topples over when for that will drill.
A kind of construction of hydro project drilling machine, in use, by the effect of traveling wheel 25 that whole device is mobile
To the place of required drilling, later by the effect of No.1 lifting arm 15, lifting large arm 10 and No. two lifting arms 11 by drilling pipe
13 are moved to the required position to drill, while starting rotating electric machine 12, so that rotating electric machine 12 drives the rotation of drilling rod 14 to realize
Water in filtered water tank 3 is passed through aqueduct 8 with dredge pump 5, pulsating pump 4 is drawn by the purpose of drilling, simultaneously, starting pulsating pump 4
Effect is drawn onto drilling pipe 13, and the drilling convenient for drilling rod to harder soil, water and mud are mixed under the action of drilling rod later, is led to
The effect of mud guide pipe 7 is crossed, the mixture of these mud and water is flowed under the action of drawing dredge pump 5 in pressing filter box 18, starts two later
Number hydraulic cylinder 9, so that No. two hydraulic cylinders 9 make mud and aqueous mixtures carry out filters pressing with dynamic pressure plate 6, water is from the logical of 20 lower end of filter plate
Pipe is recovered in filtered water tank 3 and utilizes again, when soil is pressed into bulk, starts No.1 hydraulic cylinder 24, No.1 hydraulic cylinder 24 drives
Hydraulic axis 22 is pushed to push plate 21 in soil case 16 blocky soil to recycle, and when filter plate is blocked by 20 soil, leads to
The effect for crossing distributive pipe 23 guides the water in filtered water tank 3 into spray head 19, and spray head sprays water and cleans to filter plate 20 later, avoids
Filter plate 20 is obstructed with soil, and operation is reliable, and the siphunculus that the water after rinsing passes through filtered water tank 3 again and 18 bottom end of pressing filter box is equipped with
Effect recycled.The present invention, it is structurally reasonable, it is novel in design, drilling rod is realized by the filtered water tank 3 and pulsating pump 4 that are equipped with
Drilling on harder soil considerably increases water conservancy construction drilling well working efficiency, while the pressing filter box 18 by being equipped with is realized
The efficient water-removing that soil is generated in boring procedure is recycled, it is practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of working method of construction of hydro project drilling machine, drilling machine includes pedestal (1), which is characterized in that the bottom
Seat (1) lower end two sides are connected with traveling wheel (25), are equipped with filtered water tank (3) on the left of pedestal (1) upper end, are equipped in the middle part of filtered water tank (3)
Suction hose (2), suction hose (2) upper end are connected with pulsating pump (4), and pulsating pump (4) upper end is connected with aqueduct (8), the clear water
No.1 hydraulic cylinder (24) are equipped in the middle part of case (3) right end, No.1 hydraulic cylinder (24) right end is connected with hydraulic axis (22), hydraulic axis (22)
Right end is connected with push plate (21), is equipped with pressing filter box (18) on the right side of pedestal (1) upper end, and pressure is equipped with inside pressing filter box (18) upper end
Plate (6), pressing plate (6) upper end are connected with No. two hydraulic cylinders (9), and pressing filter box (18) bottom inner portion is equipped with filter plate (20), filter plate
(20) lower end is equipped with spray head (19), and spray head (19) lower end is connected with distributive pipe (23), is equipped on the left of pressing filter box (18) upper end
Draw dredge pump (5), draw dredge pump (5) upper end and be connected with mud guide pipe (7), No.1 lifting arm is equipped in the middle part of pressing filter box (18) right end
(15), No.1 lifting arm (15) upper end is connected with lifting large arm (10), and lifting large arm (10) upper end is connected with No. two lifting arms
(11), the lifting large arm (10) and No. two lifting arm (11) right ends are connected with drilling pipe (13), and drilling rod is equipped with inside drilling pipe (13)
(14), drilling rod (14) upper end is connected with rotating electric machine (12), and lower end is connected with baffle (17) on the right side of the pressing filter box (18), described
Soil case (16) are equipped on the right side of pedestal (1) upper end；
The working method of the drilling machine, comprising: the place to drill required for being moved to drilling machine is gone up and down by No.1 later
The position that arm (15), lifting large arm (10) and the effect of No. two lifting arms (11) drill required for being moved to drilling pipe (13), together
Shi Qidong rotating electric machine (12), so that the purpose that rotating electric machine (12) drives drilling rod (14) rotation to realize drilling simultaneously opens
Dynamic pulsating pump (4) and draw dredge pump (5), the water in filtered water tank (3) is drawn onto drilling pipe by the effect of aqueduct (8) by pulsating pump (4)
(13) in, drilling convenient for drilling rod to harder soil, water and mud are mixed under the action of drilling rod later, pass through mud guide pipe
(74) mixture of effect, these mud and water is flowed under the action of drawing dredge pump (5) in pressing filter box (18), starts No. two later
Hydraulic cylinder (9), so that No. two hydraulic cylinder (9) bands dynamic pressure plate (6) make mud and aqueous mixtures carry out filters pressing, water is under filter plate (20)
The siphunculus at end is recovered in filtered water tank (3) and utilizes again, when soil is pressed into bulk, starts No.1 hydraulic cylinder (24), No.1 liquid
Cylinder pressure (24) drives hydraulic axis (22) that blocky soil is pushed in soil case (16) by push plate (21) and recycles.
2. working method according to claim 1, which is characterized in that described to draw dredge pump (5) and be connected with filters pressing by pipeline
Case (18).
3. working method according to claim 1, which is characterized in that the distributive pipe (23) is connected with pulsating pump (4).
4. working method according to claim 1, which is characterized in that the filtered water tank (3) and pressing filter box (18) bottom end connect
It is connected to siphunculus.
5. working method according to claim 1, which is characterized in that when filter plate is blocked by (20) soil, by dividing water
The effect of pipe (23) guides the water in filtered water tank (3) into spray head (19), and spray head sprays water and cleans to filter plate (20) later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309794.4A CN109209226A (en) | 2017-03-02 | 2017-03-02 | Construction of hydro project drilling machine suitable for the drilling on harder soil |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309794.4A CN109209226A (en) | 2017-03-02 | 2017-03-02 | Construction of hydro project drilling machine suitable for the drilling on harder soil |
| CN201710121422.8A CN106677702B (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date | |
|---|---|---|---|---|
| CN201710121422.8A Division CN106677702B (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109209226A true CN109209226A (en) | 2019-01-15 |
Family
ID=58861541
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811309794.4A Withdrawn CN109209226A (en) | 2017-03-02 | 2017-03-02 | Construction of hydro project drilling machine suitable for the drilling on harder soil |
| CN201811334628.XA Withdrawn CN109281611A (en) | 2017-03-02 | 2017-03-02 | The construction of hydro project drilling machine of efficient water-removing recycling soil |
| CN201811059484.1A Pending CN109538117A (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
| CN201710121422.8A Active CN106677702B (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334628.XA Withdrawn CN109281611A (en) | 2017-03-02 | 2017-03-02 | The construction of hydro project drilling machine of efficient water-removing recycling soil |
| CN201811059484.1A Pending CN109538117A (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
| CN201710121422.8A Active CN106677702B (en) | 2017-03-02 | 2017-03-02 | A kind of construction of hydro project drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN109209226A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209226A (en) * | 2017-03-02 | 2019-01-15 | 吴彬 | Construction of hydro project drilling machine suitable for the drilling on harder soil |
| CN107246160A (en) * | 2017-06-15 | 2017-10-13 | 柳州市文宇科技服务有限公司 | A kind of breaker of disintegrating machine |
| CN107127898B (en) * | 2017-07-17 | 2019-02-05 | 平湖市金易达机械有限公司 | A kind of automation drilling device |
| CN107675709B (en) * | 2017-09-27 | 2019-05-17 | 惠州市水电建筑工程有限公司 | A kind of multi-functional construction of hydro project dredging drill hole equipment |
| CN107654188B (en) * | 2017-10-18 | 2019-05-21 | 胜利油田盛辉石油技术开发有限责任公司 | A kind of oil exploration equipment with drill bit cleaning and accurately detecting |
| CN110725647A (en) * | 2019-10-23 | 2020-01-24 | 徐州市盖力工程机械有限公司 | Portable screw rod drilling machine |
| CN111608573B (en) * | 2020-06-11 | 2020-12-15 | 中聚信海洋工程装备有限公司 | Drilling equipment with water absorption function |
| CN112554788A (en) * | 2020-12-08 | 2021-03-26 | 中煤地质集团有限公司 | Multi-functional geological survey probing device |
| CN114704200B (en) * | 2022-06-06 | 2022-08-09 | 山东省烟台地质工程勘察院 | Hydraulic ring geological drilling rig |
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| CN205329748U (en) * | 2016-01-04 | 2016-06-22 | 潘小平 | Sediment removal device is used in hydraulic engineering construction |
| CN205936394U (en) * | 2016-06-16 | 2017-02-08 | 安静利 | Drilling machine for water conservancy construction |
| CN205776457U (en) * | 2016-07-13 | 2016-12-07 | 李玉军 | Hydraulic engineering silt remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109538117A (en) | 2019-03-29 |
| CN109281611A (en) | 2019-01-29 |
| CN106677702B (en) | 2018-12-14 |
| CN106677702A (en) | 2017-05-17 |
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Application publication date: 20190115 |