CN110154247B - Wall body perforating device with dust absorption function - Google Patents
Wall body perforating device with dust absorption function Download PDFInfo
- Publication number
- CN110154247B CN110154247B CN201910502992.0A CN201910502992A CN110154247B CN 110154247 B CN110154247 B CN 110154247B CN 201910502992 A CN201910502992 A CN 201910502992A CN 110154247 B CN110154247 B CN 110154247B
- Authority
- CN
- China
- Prior art keywords
- dust collection
- mounting
- workbench
- dust
- cover body
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- Expired - Fee Related
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- 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
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- 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
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- 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
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
- B28D7/046—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being of the vacuum type
Abstract
The invention relates to the technical field of building devices, in particular to a wall punching device with a dust collection function, which comprises a workbench, a lifting mechanism, a punching machine and a stabilizing mechanism, wherein the lifting mechanism is fixedly arranged on the workbench, an output end of the lifting mechanism is fixedly provided with a mounting plate, two sides of the mounting plate are also fixedly provided with connecting plates, the stabilizing mechanism is fixedly arranged on the connecting plates, the mounting plate is fixedly provided with a mounting box, the left side of the mounting box is provided with an opening, the opening is fixedly provided with a cover body, the punching machine is fixedly arranged in the mounting box, the workbench is also provided with a dust collection box, the side part of the dust collection box is provided with a suction fan, the dust collection box is provided with a dust collection hose communicated with the cover body, the side part of the dust collection box is also provided with a water pipeline extending into the dust collection box, and one end of the water pipeline, which is positioned in the dust collection box, is provided with a universal nozzle, the device can restrain dust when punching, purify the environment, and protect human health.
Description
Technical Field
The invention relates to the technical field of building devices, in particular to a wall punching device with a dust collection function.
Background
At present, many engineering interior decoration decorates all need the puncher to punch the installation on the wall body, there is higher requirement to the hole of beating in the work of punching, and artifical handheld work can be very troublesome when punching the eminence of wall body, the workman need build the scaffold frame earlier, handheld puncher station punches on the scaffold frame again, it takes trouble and laboursome to build the scaffold frame, and worker people stand and punch on the scaffold frame and have very big potential safety hazard, this is punched the construction and has also caused very big inconvenience to the wall body, and the in-process that the wall body punched can produce a lot of dusts, can all cause the harm to environment and health. So need design a wall body perforating device that can remove dust, purify the environment, guarantee health, in addition in prior art CN108972908A, though can go up and down with the help of external equipment in CN206869173U, set up the dust cover on the drilling rod that punches, but because the dust cover is located operator's the place ahead, shelter from the drilling rod easily, lead to can't confirm under current high position, confirm the actual position after drill bit or drilling rod and wall body contact, lead to the work of punching to relapse, cause the unnecessary destruction of wall body.
Disclosure of Invention
The invention aims to provide a wall punching device with a dust collection function.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wall punching device with the dust collection function comprises a workbench, a lifting mechanism, a punching machine and a stabilizing mechanism, wherein a plurality of supporting leg frames are arranged at the bottom of the workbench, the lifting mechanism is fixedly arranged on the workbench, a mounting plate is fixedly arranged on the output end of the lifting mechanism, connecting plates are fixedly arranged on two sides of the mounting plate, the stabilizing mechanism is fixedly arranged on the connecting plates, a mounting box is fixedly arranged on the mounting plate, an opening is formed in the left side of the mounting box, a cover body is fixedly arranged on the opening, the punching machine is fixedly arranged in the mounting box, a dust collection box is further arranged on the workbench, a suction fan is arranged on the side part of the dust collection box, a dust collection hose communicated with the cover body is arranged on the dust collection box, a dust collection plate can be detachably arranged in the dust collection box, and a water conveying pipeline extending into the dust collection box is further arranged on the side part of the dust collection box, the universal nozzle is installed to the one end that conduit is located the dust collection box, the downside of dust collection box still is provided with the blow off pipe that extends to the workstation below, the blow off mouth of pipe still is provided with the electric switch door. The cover body is the frustum of a pyramid form, and the thin skin of iron has been laid to the inside of the cover body, all articulates on four outside frames of the cover body and is connected with an equal waist set-square, wherein the articulated connection of base side of this set-square is on the frame of the cover body, the cladding has miniature magnetic path respectively on two waist side frames, two of every set-square of a side, wherein the set-square on four frames on the cover body extends towards the outside and can splices into a four pyramid, the apex of pyramid is located puncher drilling rod axial extension line, two extension rods are the design of telescopic sleeve
As an optimal scheme of wall body perforating device with dust absorption function, stabilizing mean is including erection column, extension rod and sucking disc, the erection column sets up on the connecting plate, and extension rod horizontal installation is on the top of erection column, the fixed tip that sets up at the extension rod of sucking disc.
As an optimal scheme of the wall punching device with the dust collection function, a plurality of fixing columns penetrating through the mounting plate are further arranged on the workbench and are in sliding connection with the mounting plate, springs are sleeved on the fixing columns, the upper ends of the springs are fixedly connected with the lower side of the mounting plate, and the lower ends of the springs are fixedly connected with the workbench.
As an optimal scheme of the wall punching device with the dust collection function, the lifting mechanism comprises a bidirectional screw, a motor, a guide rod and a mounting seat symmetrically arranged on a workbench, the bidirectional screw is axially connected to the mounting seat, the guide rod is arranged on the side portion of the bidirectional screw, a slider is symmetrically and threadedly connected to the bidirectional screw, a hinge rod is hinged to the upper end of the slider, the end portion of the hinge rod is hinged to the bottom side of the mounting plate, the motor is fixedly arranged on the mounting seat, and the bidirectional screw is fixedly connected with the output end of the motor.
As an optimal scheme of the wall punching device with the dust collection function, universal pulleys are mounted at the bottoms of the supporting leg frames, and a stabilizing mechanism for a stabilizing device is further mounted at the bottom of the workbench.
As a preferred scheme of the wall punching device with the dust absorption function, the stabilizing mechanism comprises an electric push rod and a stabilizing block, the electric push rod is fixedly installed at the bottom of the workbench, and the stabilizing block is fixedly connected with the output end of the electric push rod.
As a preferable scheme of the wall perforating device with the dust collection function, an electromagnetic valve is further installed on the water conveying pipeline.
The invention has the beneficial effects that:
1. this wall body perforating device with dust absorption function is provided with the cover body, and when punching, the position that will punch covers at the cover internal, prevents that dust is excessive, then washes dust to the dust-collecting box in through the suction fan, just can realize punching the elimination of the dust that produces to the wall body.
2. The wall punching device with the dust collection function is also provided with the universal spray head in the dust collection box, so that the dust suppression effect can be achieved, and dust can be leaked out from the blow-off pipe along with water.
3. Triangle-shaped takes articulated the linking of a plurality of set-squares of miniature magnet on the cover body, cooperation telescopic extension rod design for realize the protection to the drilling rod when idle, realize at the drilling position preview of current high position at the during operation, and accomodate the absorption recovery that the back realized iron plate in small, broken bits or reinforcing bar in small, broken bits at the drilling in-process.
4. The design of the telescopic extension rod ensures that the whole wall punching device is suitable for various inclined wall surfaces and can ensure that the whole wall punching device is guided towards a target and pushed close to a working line after the height is adjusted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a first schematic structural diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of the lifting mechanism of the present invention.
Fig. 4 is an enlarged schematic view at a in fig. 3.
Fig. 5 is a schematic illustration of a split structure of the present invention.
In the figure: the device comprises a workbench 1, a lifting mechanism 2, a perforating machine 3, a stabilizing mechanism 4, a supporting leg frame 5, a mounting plate 6, a connecting plate 7, a mounting box 8, a cover body 9, a dust collecting box 10, a suction fan 11, a dust suction hose 12, a water conveying pipeline 13, a universal nozzle 14, a sewage discharge pipe 15, a mounting column 16, an extension rod 17, a suction cup 18, a fixing column 19, a spring 20, a bidirectional screw rod 21, a motor 22, a guide rod 23, a mounting seat 24, a sliding block 25, a hinged rod 26, a universal pulley 27, a stabilizing mechanism 28, an electric push rod 29, a stabilizing block 30 and an electromagnetic valve 31.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the wall punching device with dust collection function comprises a workbench 1, a lifting mechanism 2, a punching machine 3 and a stabilizing mechanism 4, wherein the bottom of the workbench 1 is provided with a plurality of supporting leg frames 5, the lifting mechanism 2 is fixedly arranged on the workbench 1, an output end of the lifting mechanism 2 is fixedly provided with a mounting plate 6, two sides of the mounting plate 6 are also fixedly provided with connecting plates 7, the stabilizing mechanism 4 is fixedly arranged on the connecting plates 7, the mounting plate 6 is fixedly provided with a mounting box 9, the left side of the mounting box 9 is provided with an opening, the opening is fixedly provided with a cover body, the punching machine 3 is fixedly arranged in the mounting box 9, the workbench 1 is also provided with a dust collection box 10, the side part of the dust collection box 10 is provided with a suction fan 11, the dust collection box 10 is provided with a dust collection hose 12 communicated with the cover body, and a dust collection plate can be detachably arranged in the dust collection box 10, the lateral part of the dust collection box 10 is also provided with a water conveying pipeline 13 extending into the dust collection box 10, one end of the water conveying pipeline 13, which is positioned in the dust collection box 10, is provided with a universal spray head 14, the lower side of the dust collection box 10 is also provided with a drain pipe 15 extending to the lower part of the workbench 1, and an electric switch door is further arranged at the opening of the drain pipe 15. When punching, cover the body cover on the wall of position of punching, then open suction fan 11 when punching for the dust is followed dust absorption hose 12 and is inhaled in dust collection box 10, then universal shower nozzle 14 blowout water plays the inhibitory action to dust, and partial dust is attached to on the dust collecting plate, and the water of wrapping up dust is discharged from blow off pipe 15.
Stabilizing mean 4 is including erection column 16, extension rod 17 and sucking disc 18, erection column 16 sets up on connecting plate 7, and extension rod 17 horizontal installation is on the top of erection column 16, the fixed tip that sets up at extension rod 17 of sucking disc 18. The device can shake when punching, can make the cover body break away from the wall body, adsorbs sucking disc 18 on the wall body this moment, just can guarantee that the cover body is comparatively firm adsorbs on the wall.
Still be provided with a plurality of fixed columns 19 that run through mounting panel 6 on the workstation 1 to fixed column 19 and mounting panel 6 sliding connection, the cover is equipped with spring 20 on the fixed column 19, spring 20's upper end and mounting panel 6's downside fixed connection, spring 20's lower extreme and workstation 1 fixed connection.
Stabilizing mean 4 is including electric putter 29 and stabilizing block 30, electric putter 29 fixed mounting is in workstation 1 bottom, stabilizing block 30 and electric putter 29's output fixed connection.
The water pipeline 13 is also provided with an electromagnetic valve 31.
The working principle is as follows: when punching, at first with the cover body on the equal outside rotation of triangle-shaped board on four sides, splice into a four pyramid through the magnet adsorption on the waist side between four triangle-shaped boards to the summit of four pyramids is the reference position, and the front and back promote pulley 27 and remove about to and carry out altitude mixture control: the motor 22 drives the bidirectional screw 21 to rotate, the slide block 25 can synchronously move inwards or outwards, and the mounting plate 6 can be pushed to lift, so that the lifting of the perforating machine 3 is driven; the summit that is until four pyramid reachs the target location, at this moment with two extension rod 17 tensile until adsorbing on the wall body, then with four triangle-shaped board antiport and accomodate on the inner wall of cover internal portion, iron sheet through on the inner wall realizes that magnetic force adsorbs fixedly, then promote pulley 27 towards the wall body direction, the automatic follow-up shrink of extension rod, make drill bit butt wall body, then open suction fan 11 when punching, make the dust follow dust collection hose 12 inhale to the dust collection box 10 in, then 14 blowout water of universal shower nozzle play the inhibitory action to dust, partial dust is attached to on the collection dirt board, wrap up the water of dust and discharge from blow off pipe 15.
In addition, the design of the telescopic extension rod ensures that the whole wall punching device is suitable for various inclined walls, and simultaneously can ensure that the whole wall punching device is guided towards a target and is pushed close to a working line after the height adjustment is finished, and the magnet design on the triangular plate can ensure that the finely-crushed reinforcing steel bar blocks which appear in the wall striking process can be adsorbed, and cannot enter a subsequent dust collection box and cannot be discharged by wind power.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (4)
1. The utility model provides a wall body perforating device with dust absorption function which characterized in that: comprises a workbench (1), a lifting mechanism (2), a punching machine (3) and a stabilizing mechanism (4), wherein the bottom of the workbench (1) is provided with a plurality of supporting leg frames (5), the lifting mechanism (2) is fixedly arranged on the workbench (1), a mounting plate (6) is fixedly arranged on the output end of the lifting mechanism (2), connecting plates (7) are fixedly arranged on two sides of the mounting plate (6), the stabilizing mechanism (4) is fixedly arranged on the connecting plates (7), the stabilizing mechanism (4) comprises a mounting column (16), an extension rod (17) and a sucker (18), the mounting column (16) is arranged on the connecting plates (7), the extension rod (17) is horizontally arranged at the top end of the mounting column (16), the sucker (18) is fixedly arranged at the end part of the extension rod (17), the stabilizing mechanism (4) further comprises an electric push rod (29) and a stabilizing block (30), the electric push rod (29) is fixedly arranged at the bottom of the workbench (1), and the stabilizing block (30) is fixedly connected with the output end of the electric push rod (29);
the lifting mechanism (2) comprises a bidirectional screw (21), a motor (22), a guide rod (23) and mounting seats (24) symmetrically arranged on the workbench (1), the bidirectional screw (21) is coupled on the mounting seats (24), the guide rod (23) is arranged on the side portion of the bidirectional screw (21), the bidirectional screw (21) is further symmetrically and threadedly connected with sliding blocks (25), the upper ends of the sliding blocks (25) are hinged with hinged rods (26), the end portions of the hinged rods (26) are hinged to the bottom side of the mounting plate (6), the motor (22) is fixedly mounted on the mounting seats (24), and the bidirectional screw (21) is fixedly connected with the output end of the motor (22); the mounting plate (6) is fixedly provided with a mounting box (9), the left side of the mounting box (9) is provided with an opening, the opening is fixedly provided with a cover body, the perforating machine (3) is fixedly arranged in the installation box (9), the workbench (1) is also provided with a dust collection box (10), the side part of the dust collection box (10) is provided with a suction fan (11), the dust collection box (10) is provided with a dust collection hose (12) communicated with the cover body, a dust collecting plate can be detachably arranged in the dust collecting box (10), a water conveying pipeline (13) extending into the dust collecting box (10) is also arranged at the side part of the dust collecting box (10), one end of the water pipe (13) positioned in the dust collection box (10) is provided with a universal nozzle (14), a blow-off pipe (15) extending to the lower part of the workbench (1) is further arranged at the lower side of the dust collection box (10), and an electric switch door is further arranged at the opening of the blow-off pipe (15);
the cover body is in a quadrangular frustum shape, an iron thin skin is laid inside the cover body, four external frames of the cover body are hinged and connected with isosceles triangular plates, the bottom side of each triangular plate is hinged and connected to the frame of the cover body, two waist side frames are respectively coated with a miniature magnetic block, and two side edges of each triangular plate are connected with each other in a hinged mode, the triangular plates on the four frames on the cover body can be spliced into a quadrangular pyramid body after extending towards the outside, the vertex of the pyramid is positioned on the axial extension line of a drilling rod of the drilling machine (3), and two extension rods (17) are designed to be telescopic sleeves;
triangular band miniature magnet's a plurality of set-squares are connected in the articulated on the cover body, cooperation telescopic extension rod design for realize the protection to the drilling rod when idle, realize at the drilling position preview of current high position at the during operation, the guide that can also guarantee after the altitude mixture control is accomplished towards the target when scalable extension rod design makes and is adapted to various slope walls is pressed close to work straight line and is advanced.
2. The wall perforating device with the dust suction function as claimed in claim 1, wherein: still be provided with a plurality of fixed columns (19) that run through mounting panel (6) on workstation (1) to fixed column (19) and mounting panel (6) sliding connection, the cover is equipped with spring (20) on fixed column (19), the downside fixed connection of the upper end of spring (20) and mounting panel (6), the lower extreme and workstation (1) fixed connection of spring (20).
3. The wall perforating device with the dust suction function as claimed in claim 2, wherein: universal pulleys (27) are installed at the bottom of the supporting leg frame (5), and a stabilizing mechanism (28) for a stabilizing device is further installed at the bottom of the workbench (1).
4. The wall perforating device with the dust suction function as claimed in claim 3, wherein: and the water conveying pipeline (13) is also provided with an electromagnetic valve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502992.0A CN110154247B (en) | 2019-06-11 | 2019-06-11 | Wall body perforating device with dust absorption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502992.0A CN110154247B (en) | 2019-06-11 | 2019-06-11 | Wall body perforating device with dust absorption function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110154247A CN110154247A (en) | 2019-08-23 |
| CN110154247B true CN110154247B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910502992.0A Expired - Fee Related CN110154247B (en) | 2019-06-11 | 2019-06-11 | Wall body perforating device with dust absorption function |
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| Country | Link |
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| CN (1) | CN110154247B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110722315B (en) * | 2019-10-29 | 2022-03-04 | 重庆经纬驰汽车部件有限公司 | Anchor clamps lift brace table |
| CN111546507A (en) * | 2020-05-14 | 2020-08-18 | 林镇岛 | Punching equipment for building construction and use method thereof |
| CN111673917B (en) * | 2020-06-23 | 2022-05-24 | 萧县威辰机电工程设备有限公司 | Building wall punching device and using method thereof |
| CN111619021B (en) * | 2020-06-24 | 2021-10-19 | 台州职业技术学院 | Dustproof wall puncher |
| CN112192762A (en) * | 2020-10-25 | 2021-01-08 | 陈进 | Multi-functional building wall reforms transform drilling equipment |
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| CN203972947U (en) * | 2014-06-04 | 2014-12-03 | 台州市名泰建设工程有限公司 | A kind of protective cover of bar cutter |
| CN204150736U (en) * | 2014-08-15 | 2015-02-11 | 无锡市彩云机械设备有限公司 | Magnetic turns over and sticks up the grab bucket of dust guard coal charge |
| CN107020932A (en) * | 2016-01-30 | 2017-08-08 | 陈志明 | A kind of automobile sunshading and heat-insulating dust-break umbrella cover |
| CN106001935B (en) * | 2016-06-07 | 2018-09-28 | 成都市松川金属材料有限公司 | A kind of multi-functional laser cutting machine |
| CN105904003A (en) * | 2016-06-12 | 2016-08-31 | 方彐云 | Wall drilling machine |
| CN207508350U (en) * | 2017-11-13 | 2018-06-19 | 刘伟 | A kind of dust-proof perforating device of lift metope |
| CN108127798A (en) * | 2017-12-25 | 2018-06-08 | 郑州格瑞塔电子信息技术有限公司 | A kind of fork lifting-type metope perforating device of stabilization |
| CN207953230U (en) * | 2018-01-06 | 2018-10-12 | 洪瑞茜 | A kind of cutter device for battery steel shell processing |
| CN207781303U (en) * | 2018-01-16 | 2018-08-28 | 江西省萍乡市南坑高压电瓷有限公司 | A kind of Pollution-resistant porcelain insulator |
| CN108481273A (en) * | 2018-03-13 | 2018-09-04 | 佛山市亚科恒远科技有限公司 | A kind of anti-airborne dust equipment of building punching |
| CN108296904A (en) * | 2018-04-16 | 2018-07-20 | 龚大娇 | A kind of wall processing special environment protection Architectural Equipment |
| CN108818958A (en) * | 2018-06-14 | 2018-11-16 | 安徽师范大学 | A kind of drill hole on wall machine |
| CN208670851U (en) * | 2018-08-06 | 2019-03-29 | 汉能移动能源控股集团有限公司 | A kind of safeguard structure and solar energy landscaping equipment |
| CN108972908A (en) * | 2018-09-06 | 2018-12-11 | 佛山市蔷薇新能源科技有限公司 | A kind of decoration metope perforating device |
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2019
- 2019-06-11 CN CN201910502992.0A patent/CN110154247B/en not_active Expired - Fee Related
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| CN110154247A (en) | 2019-08-23 |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Jianhui Inventor after: Zhou Shanchuan Inventor after: Hong Feng Inventor after: Ma Weilin Inventor before: Ma Weilin |
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Effective date of registration: 20210908 Address after: Jiangsu Nantong Second Construction Group Co., Ltd., No. 683, Renmin Middle Road, Qidong City, Nantong City, Jiangsu Province, 226000 Applicant after: JIANGSU NANTONG NO.2 CONSTRUCTION ENGINEERING (Group) Co.,Ltd. Address before: 215000 Xiangxie Shuian business building, Hongqiao Road, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Ma Weilin |
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Granted publication date: 20210928 |