CN108162198A - A kind of dust-protection type groover that can easily be accommodated - Google Patents
A kind of dust-protection type groover that can easily be accommodated Download PDFInfo
- Publication number
- CN108162198A CN108162198A CN201711179457.3A CN201711179457A CN108162198A CN 108162198 A CN108162198 A CN 108162198A CN 201711179457 A CN201711179457 A CN 201711179457A CN 108162198 A CN108162198 A CN 108162198A
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- China
- Prior art keywords
- installing plate
- risers
- screw
- dust
- accommodated
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Special Spraying Apparatus (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Abstract
The invention discloses a kind of dust-protection type groover that can easily be accommodated, including substrate, installing plate, grooving roll and cylinder body；The bottom centre position of the substrate is rotatablely equipped with Bidirectional-screw by the first rolling bearing units, the body of rod both sides of Bidirectional-screw are symmetrically arranged with the screw sleeve being matched therewith, the bottom of screw sleeve is hinged with first connecting rod, and the other end of first connecting rod is hinged to the top of installing plate；The bottom centre position of the installing plate is provided with left risers and right risers, and wherein left risers are fixed on a mounting board, and right risers are slidably connected installing plate；The grooving roll is arranged between left risers and right risers；The cylinder body is fixed on installing plate bottom left.The groover of the present invention split groove depth can easily be adjusted, and can realize being precisely controlled for groove depth, provide convenience for decoration worker；Spraying and dedusting can be carried out during fluting, protects the health of decoration worker.
Description
Technical field
The present invention relates to interior decoration field, specifically a kind of dust-protection type groover that can easily be accommodated.
Background technology
Interior decoration, especially house fitting-up can be used as one as the theory that a kind of quality of the life popular at present is promoted
One of big mark that kind people Happiness Index is promoted, in late 1980s in China's birth.Finishing is also known as decorate or dress
Decorations.Refer to what is carried out in certain area and range, realized including Hydroelectric Project Construction, wall, floor, ceiling, landscape etc.,
A whole set of arrangement and method for construction and designing scheme formed according to certain design concept and beautiful rule.
It is frequently necessary to be slotted on the ground for burying pipeline during interior decoration, at this time just needs to use
To groover, and there is the defects of adjusting inconvenience in existing groover, while a large amount of dust can be generated in grooving process mostly,
If handled not in time, the health of worker can be impacted.
Invention content
The purpose of the present invention is to provide a kind of dust-protection type groover that can easily be accommodated, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical solution：
A kind of dust-protection type groover that can easily be accommodated, including substrate, installing plate, grooving roll and cylinder body；The bottom two of the substrate
Side is symmetrically fixed with stand, and the bottom of stand is equipped with idler wheel；The installing plate is slidably connected between the stand of both sides, installation
The top both sides of plate are symmetrically fixed with guide rod, and the other end of guide rod passes through substrate and upwardly extends；The bottom of the substrate
Center is rotatablely equipped with Bidirectional-screw by the first rolling bearing units, and the of driving its rotation is provided on the left of Bidirectional-screw
One motor, the body of rod both sides of Bidirectional-screw are symmetrically arranged with the screw sleeve being matched therewith, and the bottom of screw sleeve is hinged with
First connecting rod, the other end of first connecting rod are hinged to the top of installing plate；The bottom centre position of the installing plate is provided with a left side
Riser and right risers, wherein left risers are fixed on a mounting board, and right risers are slidably connected installing plate；The grooving roll is arranged on a left side
Between riser and right risers, intensive on the outer roll surface of grooving roll to be provided with crushing teeth, left risers and right risers are close to grooving roll
Side is rotatably connected to the shaft laterally set, and the second electricity of driving left side shaft rotation is equipped on the left side of left risers
Machine, in regular hexagon, the both sides of the face center of grooving roll offers and shaft end axis for the cross section of shaft end axis body
The counterbore of mates；The bottom right of the installing plate is rotatablely equipped with adjusting screw by the second rolling bearing units, adjusts silk
The left end of bar connects right risers by thread fitting, and the right end for adjusting screw stretches out right side stand and is connected with turntable, and right side is stood
The bar hole for adjusting screw movement is offered on plate, turntable is equipped with lever；The cylinder body is fixed on an installing plate bottom left side
Side, the piston sheet being matched therewith is provided in cylinder body, and the bottom of piston sheet is connected with piston rod, the top both sides connection of cylinder body
There are outlet pipe and water inlet pipe, the first check valve and the second check valve for avoiding adverse current be separately installed in outlet pipe and water inlet pipe,
The other end of wherein outlet pipe extends to the side of grooving roll and is connected with nozzle, and the other end of water inlet pipe stretches out left side stand simultaneously
Connect vertically arranged bellows；The top center of the substrate is fixed with water tank, and water filling is connected at the top of water tank
Pipe, the bottom left of water tank are connected with L-type pipe, and the short side of L-type pipe is connect with bellows；Second motor is twin shaft electricity
Machine is connected with disk on the left side output shaft of the second motor, and the left side bias of disk is hinged with second connecting rod, second connecting rod
The other end is hinged to the bottom of piston rod.
As further embodiment of the present invention：It is fixed with striker plate on the medial surface of the stand, striker plate is by roller cover
In being located at.
As further embodiment of the present invention：Graduation mark is provided on the guide rod.
As further embodiment of the present invention：The lever periphery is laid with skid resistant course.
As further embodiment of the present invention：The nozzle is atomizer.
As further embodiment of the present invention：Pipe close is provided at the nozzle of the water injection pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
The groover of the present invention split groove depth can easily be adjusted, and can realize being precisely controlled for groove depth,
It provides convenience for decoration worker；Spraying and dedusting can be carried out during fluting, protects the health of decoration worker, and
By the setting of transmission mechanism fluting and spraying and dedusting can synchronous start and stop, it is more convenient in manipulation；Simultaneously because shaft
It is detachable rotation connection between grooving roll, therefore the grooving roll of different in width can be replaced, it is wide to meet different flutings
The demand of degree enhances the applicability of single unit system, and the disassembling operations of grooving roll are very convenient.
Description of the drawings
Fig. 1 is the structure diagram of dust-protection type groover that can easily be accommodated.
Fig. 2 is the end view of grooving roll in the dust-protection type groover that can easily be accommodated.
Fig. 3 is the side view of right side riser in the dust-protection type groover that can easily be accommodated.
Fig. 4 is the enlarged structure schematic diagram of the A of Fig. 1.
In figure：1- substrates, 11- stands, 111- bar holes, the first rolling bearing units of 12-, 2- installing plates, 21- guide rods,
211- graduation marks, the second rolling bearing units of 22-, 3- Bidirectional-screws, 31- screws sleeve, 311- first connecting rods, the first motors of 32-,
41- left risers, 42- right risers, 43- shafts, 5- grooving rolls, 51- counterbores, 52- crushing teeths, 6- adjust screw, 61- turntables,
611- skid resistant courses, the second motors of 7-, 71- disks, 72- second connecting rods, 8- cylinder bodies, 81- piston sheets, 811- piston rods, 82- water outlets
Pipe, the first check valves of 821-, 822- nozzles, 83- water inlet pipes, the second check valves of 831-, 832- bellows, 9- water tanks, 91- note
Water pipe, 92-L types pipe, 10- idler wheels, 101- striker plates.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of dust-protection type groover that can easily be accommodated, including substrate 1, installation
Plate 2, grooving roll 5 and cylinder body 8；The two bottom sides of the substrate 1 are symmetrically fixed with stand 11, and the bottom of stand 11 is equipped with idler wheel
10, further, it is fixed with striker plate 101 on the medial surface of stand 11, striker plate 101 can be kept away in idler wheel 10 is located at
Exempting from the clast generated in grooving process influences the traveling moulding of idler wheel 10；The installing plate 2 is slidably connected at the stand of both sides
Between 11, the top both sides of installing plate 2 are symmetrically fixed with guide rod 21, and the other end of guide rod 21 passes through substrate 1 and prolongs upwards
It stretches, by setting guide rod 21, the stationarity that installing plate 2 moves up and down can be improved, further, be provided on guide rod 21
Graduation mark 211 can be precisely controlled the displacement of installing plate 2, so as to which split groove depth is controlled；The substrate 1
Bottom centre position is rotatablely equipped with Bidirectional-screw 3 by the first rolling bearing units 12, and the left side of Bidirectional-screw 3, which is provided with, drives it
First motor 32 of rotation, the body of rod both sides of Bidirectional-screw 3 are symmetrically arranged with the screw sleeve 21 being matched therewith, screw sleeve
21 bottom is hinged with first connecting rod 311, and the other end of first connecting rod 311 is hinged to the top of installing plate 2, in use, passing through
First motor 32 drives Bidirectional-screw 3 to rotate, and Bidirectional-screw 3 is connected during rotating by the drive of screw sleeve 31 both sides first
One end of bar 311 is mutually drawn close or separate, and then realizes the adjusting to 2 height of installing plate, and operation is very convenient；
The bottom centre position of the installing plate 2 is provided with left risers 41 and right risers 42, and wherein left risers 41 are fixed on installation
On plate 2, right risers 42 are slidably connected installing plate 2；The grooving roll 5 is arranged between left risers 41 and right risers 42, grooving roll 5
Outer roll surface on it is intensive be provided with crushing teeth 52, left risers 41 and right risers 42 are rotatably connected to close to the side of grooving roll 5
The shaft 43 laterally set is equipped with the second motor 7 that driving left side shaft 43 rotates, shaft 43 on the left side of left risers 41
The cross section of end axis body is in regular hexagon, and the both sides of the face center of grooving roll 5 offers and 43 end axis body phase of shaft
The counterbore 51 of cooperation in use, grooving roll 5 is placed between left risers 41 and right risers 42, then moves right risers 42 and causes
The end of both sides shaft 43 is extend into counterbore 51, so as to fulfill rotation connection detachable between shaft 43 and grooving roll 5,
The grooving roll 5 of different in width is conveniently replaceable, to meet the needs of different groove widths；The bottom right of the installing plate 2 passes through
Second rolling bearing units 22, which are rotatablely equipped with, adjusts screw 6, and the left end for adjusting screw 6 connects right risers 42 by thread fitting, adjusts
The right end of section screw 6 stretches out right side stand 11 and is connected with turntable 61, offers what is moved for adjusting screw 6 on right side riser 11
Bar hole 111, for turntable 61 equipped with lever, further, lever periphery is laid with skid resistant course 611, is adjusted by rotating
Screw 6 realizes the movement of right risers 42, and so as to complete the dismounting of grooving roll 5, operation is very convenient；
The cylinder body 8 is fixed on 2 bottom left of installing plate, and the piston sheet 81 being matched therewith, piston sheet 81 are provided in cylinder body 8
Bottom be connected with piston rod 811, the top both sides of cylinder body 8 are connected with outlet pipe 82 and water inlet pipe 83, outlet pipe 82 and water inlet
The first check valve 821 for avoiding adverse current is separately installed in pipe 83 and the second check valve 831, the other end of wherein outlet pipe 82 prolong
Extend to the side of grooving roll 5 and be connected with nozzle 822, further, nozzle 822 be atomizer, the other end of water inlet pipe 83
It stretches out left side stand 11 and connects vertically arranged bellows 832；The top center of the substrate 1 is fixed with water tank 9,
The top of water tank 9 is connected with water injection pipe 91, further, is provided with pipe close at the nozzle of water injection pipe 91, sundries is avoided to fall into water
In case 9, the bottom left of water tank 9 is connected with L-type pipe 92, and the short side of L-type pipe 92 is connect with bellows 832, in grooving process,
Piston rod 811 is driven to move up and down by driving mechanism, so that cylinder body 8 constantly by the water extraction in water tank 9 and then passes through
It is sprayed by nozzle 822, and then reduces airborne dust, protect the health of worker；
Second motor 7 is dual-axle motor, and disk 71, the left end of disk 71 are connected on the left side output shaft of the second motor 7
Face bias is hinged with second connecting rod 72, and the other end of second connecting rod 72 is hinged to the bottom of piston rod 811, by 7 band of the second motor
Dynamic disk 71 rotates, and disk 71 is moved back and forth up and down during rotating by the drive piston rod 811 of second connecting rod 72, such
Setting enable synchronous with the spraying and dedusting start and stop of slotting, more convenient in manipulation.
The present invention operation principle be：
During work, Bidirectional-screw 3 is driven to rotate by the first motor 32, Bidirectional-screw 3 passes through screw sleeve during rotating
One end of 31 drive both sides first connecting rods 311 is mutually drawn close or separate, and then realize the adjusting to 2 height of installing plate, operation
It is very convenient；Due to being provided with guide rod 21, the stationarity that installing plate 2 moves up and down can be improved, and set on guide rod 21
There is graduation mark, the displacement of installing plate 2 can be precisely controlled, so as to which split groove depth is controlled；Utilize 10 band of idler wheel
Dynamic single unit system movement, drives grooving roll 5 to rotate by the second motor 7 by shaft 43, and then completes fluting work；Second motor
Disk 71 is driven to rotate while 7 rotation, disk 71 is past about 811 by the drive piston rod of second connecting rod 72 during rotating
It is multiple mobile, so that cylinder body 8 constantly sprays, and then reduce airborne dust by the water extraction in water tank 9 and then via nozzle 822,
Protect the health of worker；Simultaneously because being detachable rotation connection between shaft 43 and grooving roll 5, therefore can replace
The grooving roll 5 of different in width to meet the needs of different groove widths, enhances the applicability of single unit system, while by turning
Disk 61 can either realize the dismounting of grooving roll 5, operate convenient laborsaving.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of 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
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
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 each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of dust-protection type groover that can easily be accommodated, including substrate（1）, installing plate（2）, grooving roll（5）And cylinder body（8）；Its
It is characterized in that, the substrate（1）Two bottom sides be symmetrically fixed with stand（11）, stand（11）Bottom idler wheel is installed
（10）；The installing plate（2）It is slidably connected at the stand of both sides（11）Between, installing plate（2）Top both sides be symmetrically fixed with
Guide rod（21）, guide rod（21）The other end pass through substrate（1）And it upwardly extends；The substrate（1）Bottom centre position
Pass through the first rolling bearing units（12）It is rotatablely equipped with Bidirectional-screw（3）, Bidirectional-screw（3）Left side be provided with driving its rotation
First motor（32）, Bidirectional-screw（3）Body of rod both sides be symmetrically arranged with the screw sleeve being matched therewith（21）, screw sleeve
（21）Bottom be hinged with first connecting rod（311）, first connecting rod（311）The other end be hinged to installing plate（2）Top；It is described
Installing plate（2）Bottom centre position be provided with left risers（41）And right risers（42）, wherein left risers（41）It is fixed on installation
Plate（2）On, right risers（42）Be slidably connected installing plate（2）；The grooving roll（5）It is arranged on left risers（41）And right risers（42）
Between, grooving roll（5）Outer roll surface on intensive be provided with crushing teeth（52）, left risers（41）And right risers（42）Close to grooving roll
（5）Side be rotatably connected to the shaft laterally set（43）, left risers（41）Left side on be equipped with driving left side turn
Axis（43）Second motor of rotation（7）, shaft（43）The cross section of end axis body is in regular hexagon, grooving roll（5）Two side ends
Face center offers and shaft（43）The counterbore of terminal shaft mates（51）；The installing plate（2）Bottom right lead to
Cross the second rolling bearing units（22）It is rotatablely equipped with adjusting screw（6）, adjust screw（6）Left end it is right vertical by thread fitting connection
Plate（42）, adjust screw（6）Right end stretch out right side stand（11）And it is connected with turntable（61）, right side riser（11）On offer
For adjusting screw（6）Mobile bar hole（111）, turntable（61）Equipped with lever；The cylinder body（8）It is fixed on installing plate
（2）Bottom left, cylinder body（8）Inside it is provided with the piston sheet being matched therewith（81）, piston sheet（81）Bottom be connected with piston
Bar（811）, cylinder body（8）Top both sides be connected with outlet pipe（82）And water inlet pipe（83）, outlet pipe（82）And water inlet pipe（83）
Inside it is separately installed with the first check valve for avoiding adverse current（821）With the second check valve（831）, wherein outlet pipe（82）The other end
Extend to grooving roll（5）Side and be connected with nozzle（822）, water inlet pipe（83）The other end stretch out left side stand（11）And even
Connect vertically arranged bellows（832）；The substrate（1）Top center be fixed with water tank（9）, water tank（9）Top
Portion is connected with water injection pipe（91）, water tank（9）Bottom left be connected with L-type pipe（92）, L-type pipe（92）Short side and bellows
（832）Connection；Second motor（7）For dual-axle motor, the second motor（7）Left side output shaft on be connected with disk（71）,
Disk（71）Left side bias be hinged with second connecting rod（72）, second connecting rod（72）The other end be hinged to piston rod（811）
Bottom.
2. the dust-protection type groover according to claim 1 that can easily be accommodated, which is characterized in that the stand（11）Inside
Striker plate is fixed on face（101）, striker plate（101）By idler wheel（10）In being located at.
3. the dust-protection type groover according to claim 1 that can easily be accommodated, which is characterized in that the guide rod（21）On set
It is equipped with graduation mark（211）.
4. the dust-protection type groover according to claim 1 that can easily be accommodated, which is characterized in that the lever periphery laying
There is skid resistant course（611）.
5. the dust-protection type groover according to claim 1 that can easily be accommodated, which is characterized in that the nozzle（822）For mist
Change nozzle.
6. the dust-protection type groover according to claim 1 that can easily be accommodated, which is characterized in that the nozzle of the water injection pipe 91
Place is provided with pipe close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179457.3A CN108162198B (en) | 2017-11-23 | 2017-11-23 | A kind of dust-protection type groover that can easily be accommodated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179457.3A CN108162198B (en) | 2017-11-23 | 2017-11-23 | A kind of dust-protection type groover that can easily be accommodated |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108162198A true CN108162198A (en) | 2018-06-15 |
| CN108162198B CN108162198B (en) | 2019-12-03 |
Family
ID=62527516
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711179457.3A Active CN108162198B (en) | 2017-11-23 | 2017-11-23 | A kind of dust-protection type groover that can easily be accommodated |
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| Country | Link |
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| CN (1) | CN108162198B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834844A (en) * | 2019-03-01 | 2019-06-04 | 湖北乾奥建设工程有限公司 | A kind of finishing water power transformation integrated apparatus and application method |
| CN109898396A (en) * | 2019-04-16 | 2019-06-18 | 河南公路卫士交通科技有限公司 | A kind of road surface slotting machine of adjustable groove width |
| CN110126102A (en) * | 2019-06-13 | 2019-08-16 | 瑞安市浙工大创新创业研究院 | A kind of grooving apparatus for hydropower installation |
| CN110438875A (en) * | 2019-07-22 | 2019-11-12 | 夏志芳 | A kind of road joint-cutting device |
| CN110918369A (en) * | 2019-11-29 | 2020-03-27 | 湖州精密铸造有限公司 | Glue rolling device for producing aluminum corrugated core composite aluminum plate |
| CN112976339A (en) * | 2021-02-24 | 2021-06-18 | 上海红蚂蚁装潢设计有限公司 | Hydropower construction technology |
| CN113510864A (en) * | 2021-03-18 | 2021-10-19 | 范杰杰 | Construction slotting device |
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| WO2004000501A1 (en) * | 2002-06-20 | 2003-12-31 | Franz Kleinberens | Angle grinder comprising a spraying device for settling dust |
| JP2009298018A (en) * | 2008-06-13 | 2009-12-24 | Takashi Nagato | Concrete hand cutter with dust collecting cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834844A (en) * | 2019-03-01 | 2019-06-04 | 湖北乾奥建设工程有限公司 | A kind of finishing water power transformation integrated apparatus and application method |
| CN109834844B (en) * | 2019-03-01 | 2023-08-15 | 湖北乾奥建设工程有限公司 | Decoration hydropower transformation integrated device and use method |
| CN109898396A (en) * | 2019-04-16 | 2019-06-18 | 河南公路卫士交通科技有限公司 | A kind of road surface slotting machine of adjustable groove width |
| CN110126102A (en) * | 2019-06-13 | 2019-08-16 | 瑞安市浙工大创新创业研究院 | A kind of grooving apparatus for hydropower installation |
| CN110438875A (en) * | 2019-07-22 | 2019-11-12 | 夏志芳 | A kind of road joint-cutting device |
| CN110918369A (en) * | 2019-11-29 | 2020-03-27 | 湖州精密铸造有限公司 | Glue rolling device for producing aluminum corrugated core composite aluminum plate |
| CN110918369B (en) * | 2019-11-29 | 2020-12-11 | 浙江钱江潮光能有限公司 | Glue rolling device for producing aluminum corrugated core composite aluminum plate |
| CN112976339A (en) * | 2021-02-24 | 2021-06-18 | 上海红蚂蚁装潢设计有限公司 | Hydropower construction technology |
| CN112976339B (en) * | 2021-02-24 | 2023-03-03 | 上海红蚂蚁装潢设计有限公司 | Hydropower construction technology |
| CN113510864A (en) * | 2021-03-18 | 2021-10-19 | 范杰杰 | Construction slotting device |
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| Publication number | Publication date |
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| CN108162198B (en) | 2019-12-03 |
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Inventor after: Huang Daiwei Inventor after: Li Panjun Inventor before: Li Panjun |
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Effective date of registration: 20191108 Address after: 518000 District 204a, building 2, xiangtiwan garden, south of Gongle Road, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province (Office) Applicant after: Grand Construction Engineering Co., Ltd. Address before: 450000 Zhengzhou Free Trade Experimental Zone, Zhengzhou City, Henan Province Applicant before: Henan Goldman Sachs Management Consulting Co., Ltd. |
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