CN107150416A - A kind of building stone multi-directional drilling device - Google Patents
A kind of building stone multi-directional drilling device Download PDFInfo
- Publication number
- CN107150416A CN107150416A CN201710565272.XA CN201710565272A CN107150416A CN 107150416 A CN107150416 A CN 107150416A CN 201710565272 A CN201710565272 A CN 201710565272A CN 107150416 A CN107150416 A CN 107150416A
- Authority
- CN
- China
- Prior art keywords
- block
- motor
- screw mandrel
- drilling device
- directional drilling
- 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.)
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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
- B28D1/14—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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of building stone multi-directional drilling device, including base, block, dust absorption net, gripping block, fastening screw, vacuum cleaner, dust cleaning case, screw mandrel A, telescopic cylinder, bore motor, drill bit, motor and manual shaking wheel, the block upper surface left and right sides is slidably fitted with gripping block, block upper surface center is provided with dust absorption net, vacuum cleaner is provided with inside block, institute's base upper surface is rotatablely equipped with screw mandrel A, the sliding sleeve opposite side is also installed with telescopic cylinder, bore motor is installed with telescopic cylinder output shaft, drill bit is threaded with bore motor output shaft.Drive screw mandrel A to rotate by motor, adjust the height of drill bit, so that convenient enter line space punching to stone side；The device also, so as to realize the comprehensive punching to stone material, can improve operating efficiency to being punched to stone material upper surface simultaneously.
Description
Technical field
The present invention relates to a kind of building stone drilling equipment, specifically a kind of building stone multi-directional drilling device.
Background technology
With the continuous social and economic development, various stone materials are widely used in building field, but existing stone material
Processing is required for before application；In large-stone process, generally require to drill on stone material；But existing processing is set
In standby, also without related large scale equipment appearance, therefore generally require staff and drilled using handheld device；Due to stone
Material extreme hardness, can cause drilling progress slow, borehole accuracy is not high, while drilling machine to stone material during drilling, can produce
Raw substantial amounts of stone material powder, is commonly called as dust, powder is actively light, and some meeting floatings in atmosphere, can cause after being sucked by human body
Some PUD Ds, have a strong impact on health of human body.
The content of the invention
It is an object of the invention to provide a kind of building stone multi-directional drilling device, 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 scheme：
A kind of building stone multi-directional drilling device, including base, block, dust absorption net, gripping block, fastening screw, suction
In dirt machine, dust cleaning case, screw mandrel A, telescopic cylinder, bore motor, drill bit, motor and manual shaking wheel, the base upper surface
Heart position is installed with block, and the block upper surface left and right sides is slidably fitted with gripping block, the folder positioned at the left and right sides
Fastening screw is threaded between tight block, stone material is placed on block when building stone needs drilling, then manually
Fastening screw is turned, makes the gripping block positioned at the left and right sides to intermediary movements, stone is clamped, prevented in boring procedure
Stone is subjected to displacement, and influences borehole accuracy.
Block upper surface center, which is provided with inside dust absorption net, block, is provided with vacuum cleaner, after the block
Side is provided with dust cleaning case, and connecting tube is connected between vacuum cleaner and dust cleaning case, and a large amount of dust can be produced during drilling, and energization makes suction
Dirt machine is started working, the dust absorption that produces when will drill, protect drilling site environment and operator it is healthy.
The base upper surface, which is rotatablely equipped with above screw mandrel A, the base, is provided with top plate, and top plate keeps flat with base
OK, cover top surface is installed with motor, and driving motor output shaft straight down and is connected with belt wheel A through top plate,
Sliding sleeve is also equipped with the screw mandrel A, the base upper surface is also fixedly mounted on slide bar A, slide bar A and is slidably fitted with sliding block,
Connecting rod is fixedly connected between sliding block and sliding sleeve, the sliding sleeve opposite side is also installed with telescopic cylinder, and telescopic cylinder is defeated
It is installed with shaft on bore motor, bore motor output shaft and is threaded with drill bit；If entering to stone side
, it is necessary to which when the crown height for being pointed to both sides is adjusted, energization makes motor start rotation during row drilling, drive and be located at two
The screw mandrel A of side starts to rotate, because motor is clockwise and anticlockwise motor, so that sliding sleeve moves up and down to adjust the height of drill bit
Degree, when crown height is suitable, motor is powered off and then controls telescopic cylinder to start working, drill bit is transported towards stone material
It is dynamic, stone side is punched while being powered and making bore motor drive drill bit to start rotation, passes through motor and drives screw mandrel A
Rotate, adjust the height of drill bit, so that convenient enter line space punching to stone side.
Rotary shaft is also rotatablely equipped with the top plate, rotary shaft upper end is installed with manual shaking wheel, and rotary shaft is downward
It is connected with screw mandrel B, screw mandrel B on through top plate and by shaft coupling and is threaded with lifter plate, the lifter plate other end is slidably installed
On slide bar B；When needing to punch stone material upper surface, by shaking manual shaking wheel clockwise or counter-clockwise manually,
So that lifter plate is moved up and down, drive drill bit above to move downward, stop shaking when reaching correct position and shake manually
Wheel, then controls telescopic cylinder to start working, and drill bit is moved towards stone material, while being powered makes bore motor drive drill bit to start
Rotate and stone material upper surface is punched, so that the device can realize the comprehensive punching to stone material, improve operating efficiency.
It is used as further scheme of the invention：Dust absorbing air passage, dust absorbing air passage are connected between the vacuum cleaner and dust absorption net
In funnel-form.
It is used as further scheme of the invention：Connected between the screw mandrel A and base by bearing.
It is used as further scheme of the invention：The motor is clockwise and anticlockwise motor.
It is used as further scheme of the invention：The driving motor output shaft lower end is fixed with screw mandrel A by shaft coupling
Connection.
It is used as further scheme of the invention：It is tapped with the sliding sleeve in internal thread, sliding sleeve internal female and screw mandrel A
External screw thread be adapted.
It is used as further scheme of the invention：The screw mandrel A upper ends positioned at right side are connected with rotating shaft by shaft coupling,
Belt wheel B is installed with rotating shaft, belt is connected between belt wheel A and belt wheel B.
It is used as further scheme of the invention：Telescopic cylinder, telescopic cylinder are also installed with the downside of the lifter plate
It is installed with output shaft on bore motor, bore motor output shaft and is threaded with drill bit.
Compared with prior art, the beneficial effects of the invention are as follows：By setting gripping block to be clamped stone, prevent
Stone is subjected to displacement in boring procedure, improves borehole accuracy；Drive screw mandrel A to rotate by motor, adjust the height of drill bit,
Enter line space punching to stone side so as to convenient；The device can also be to punching, so as to realize to stone to stone material upper surface simultaneously
The comprehensive punching of material, improves operating efficiency；A large amount of dust can be produced during drilling, energization makes vacuum cleaner start working, will
The dust absorption produced during drilling, protect drilling site environment and operator it is healthy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of building stone multi-directional drilling device.
Fig. 2 is the structural representation inside block in a kind of building stone multi-directional drilling device.
Fig. 3 is a kind of structural representation of block vertical view in building stone multi-directional drilling device.
In figure：1- bases, 2- blocks, 3- dust absorption nets, 4- gripping blocks, 5- fastened screw rods, 6- dust absorbing air passages, 7- dust suctions
Machine, 8- connecting tubes, 9- dust cleaning cases, 10- screw mandrel A, 11- top plate, 12- slide bar A, 13- sliding block, 14- connecting rods, 15- sliding sleeves, 16-
Telescopic cylinder, 17- bore motors, 18- drill bits, 19- motors, 20- belt wheel A, 21- belt, 22- belt wheel B, 23- rotating shaft,
24- manual shaking wheels, 25- screw mandrel B, 26- lifter plate, 27- slide bars B.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of building stone multi-directional drilling device, including base 1, block 2, dust absorption net 3, clamping
Block 4, fastening screw 5, vacuum cleaner 7, dust cleaning case 9, screw mandrel A10, telescopic cylinder 16, bore motor 17, drill bit 18, motor 19
With manual shaking wheel 24, the upper surface center of base 1 is installed with block 2, and the upper surface left and right sides of block 2 is slided
It is dynamic that gripping block 4 is installed, fastening screw 5 is threaded between the gripping block 4 of the left and right sides, when building stone needs to bore
Stone material is placed on block 2 during hole, fastening screw 5 is then turned manually, makes gripping block 4 positioned at the left and right sides to centre
Motion, is clamped to stone, prevents that stone is subjected to displacement in boring procedure, influences borehole accuracy.
The upper surface center of block 2 is provided with dust absorption net 3, and the inside of block 2 is provided with vacuum cleaner 7, vacuum cleaner 7 with
Dust absorbing air passage 6 is connected between dust absorption net 3, dust absorbing air passage 6 is in funnel-form, facilitates dust to fall, the rear side of block 2 is provided with
Dust cleaning case 9, is connected with connecting tube 8 between vacuum cleaner 7 and dust cleaning case 9, a large amount of dust can be produced during drilling, and energization makes dust suction
Machine 7 is started working, the dust absorption that produces when will drill, protect drilling site environment and operator it is healthy.
The upper surface of base 1 is rotatablely equipped with screw mandrel A10, is connected between screw mandrel A10 and base 1 by bearing, described
The top of base 1 is provided with top plate 11, top plate 11 and the keeping parallelism of base 1, and the upper surface of top plate 11 is installed with motor 19, drives
Dynamic motor 19 is clockwise and anticlockwise motor, and the output shaft of motor 19 straight down and is connected with belt wheel A20 through top plate 11, it is described
The output shaft lower end of motor 19 is fixedly connected with screw mandrel A10 by shaft coupling, and sliding sleeve 15 is also equipped with the screw mandrel A10,
Internal thread is tapped with sliding sleeve 15, the internal female of sliding sleeve 15 is adapted with the external screw thread on screw mandrel A10, the upper surface of base 1
Also it is fixedly mounted on slide bar A12, slide bar A12 and is slidably fitted with sliding block 13, connection is fixedly connected between sliding block 13 and sliding sleeve 15
Bar 14, the opposite side of sliding sleeve 15 is also installed with telescopic cylinder 16, the output shaft of telescopic cylinder 16 and is installed with
Drill bit 18 is threaded with bore motor 17, the output shaft of bore motor 17, the screw mandrel A10 upper ends positioned at right side pass through connection
Axle device, which is connected with rotating shaft, rotating shaft, is installed with belt wheel B22, and belt 21 is connected between belt wheel A20 and belt wheel B22.
Rotary shaft 23 is also rotatablely equipped with the top plate 11, the upper end of rotary shaft 23 is installed with manual shaking wheel 24, turned
Moving axis 23, which is passed down through top plate 11 and is connected with by shaft coupling on screw mandrel B25, screw mandrel B25, is threaded with lifter plate 26, rises
The drop other end of plate 26 is slidably mounted on slide bar B27, and the downside of lifter plate 26 is also installed with telescopic cylinder 16, telescopic cylinder 16
It is installed with output shaft on bore motor 17, the output shaft of bore motor 17 and is threaded with drill bit 18.
The present invention operation principle be：When needing to punch building stone, stone material is placed on block 2,
Then fastening screw 5 is turned manually, makes the gripping block 4 positioned at the left and right sides to intermediary movements, stone is clamped, prevented
Stone is subjected to displacement in boring procedure, improves borehole accuracy；If, it is necessary to be pointed to both sides when being drilled to stone side
When the height of drill bit 18 is adjusted, energization makes motor 19 start rotation, drives the screw mandrel A10 positioned at both sides to start to rotate,
Because motor 19 is clockwise and anticlockwise motor, so that sliding sleeve 15 is moved up and down so as to adjust the height of drill bit 18, when drill bit 18
When height is suitable, motor 19 is powered off and then controls telescopic cylinder 16 to start working, drill bit 18 is moved towards stone material, together
Shi Tong electricity make bore motor 17 drive drill bit 18 start rotate stone side is punched, pass through motor 19 drive screw mandrel
A10 is rotated, and adjusts the height of drill bit 18, so that convenient enter line space punching to stone side；When needing that stone material upper surface is entered
During row punching, by shaking manual shaking wheel 24 clockwise or counter-clockwise manually, so that lifter plate 26 is moved up and down, position is driven
Drill bit 18 in top is moved downward, and is stopped shaking manual shaking wheel 24 when reaching correct position, is then controlled telescopic cylinder 16 to open
Beginning work, makes drill bit 18 be moved towards stone material, while being powered makes bore motor 17 drive drill bit 18 to start to rotate to stone material upper table
Face is punched, so that the device can realize the comprehensive punching to stone material, improves operating efficiency；A large amount of powder can be produced during drilling
Dirt, energization makes vacuum cleaner 7 start working, the dust absorption that produces when will drill, and protects environment and the operator of drilling site
It is healthy.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one 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, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. a kind of building stone multi-directional drilling device, including it is base (1), block (2), dust absorption net (3), gripping block (4), tight
Gu screw rod (5), vacuum cleaner (7), dust cleaning case (9), screw mandrel A (10), telescopic cylinder (16), bore motor (17), drill bit (18), drive
Dynamic motor (19) and manual shaking wheel (24), it is characterised in that：Base (1) the upper surface center is installed with block
(2), block (2) upper surface left and right sides is slidably fitted with gripping block (4), the spiral shell between the gripping block (4) of the left and right sides
Line is connected with fastening screw (5)；Block (2) the upper surface center is provided with inside dust absorption net (3), block (2) and set
Have and be provided with dust cleaning case (9) on rear side of vacuum cleaner (7), the block (2), be connected with and be connected between vacuum cleaner (7) and dust cleaning case (9)
Manage (8)；Base (1) upper surface is rotatablely equipped with above screw mandrel A (10), the base (1) and is provided with top plate (11), top plate
(11) with base (1) keeping parallelism, top plate (11) upper surface is installed with motor (19), motor (19) output shaft
Straight down and it is connected with through top plate (11) on belt wheel A (20), the screw mandrel A (10) and is also equipped with sliding sleeve (15), the bottom
Seat (1) upper surface, which is also fixedly mounted on slide bar A (12), slide bar A (12), is slidably fitted with sliding block (13), sliding block (13) and sliding sleeve
(15) connecting rod (14) is fixedly connected between, sliding sleeve (15) opposite side is also installed with telescopic cylinder (16), stretched
It is installed with cylinder (16) output shaft on bore motor (17), bore motor (17) output shaft and is threaded with drill bit
(18)；Rotary shaft (23) is also rotatablely equipped with the top plate (11), rotary shaft (23) upper end is installed with manual shaking wheel
(24), rotary shaft (23) is passed down through top plate (11) and is connected with screw thread on screw mandrel B (25), screw mandrel B (25) by shaft coupling and connects
Lifter plate (26) is connected to, lifter plate (26) other end is slidably mounted on slide bar B (27).
2. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：The vacuum cleaner (7)
Dust absorbing air passage (6) is connected between dust absorption net (3), dust absorbing air passage (6) is in funnel-form.
3. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：The screw mandrel A (10)
It is connected between base (1) by bearing.
4. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：The motor
(19) it is clockwise and anticlockwise motor.
5. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：The motor
(19) output shaft lower end is fixedly connected with screw mandrel A (10) by shaft coupling.
6. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：In the sliding sleeve (15)
Internal thread is tapped with, sliding sleeve (15) internal female is adapted with the external screw thread on screw mandrel A (10).
7. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：It is described positioned at right side
Screw mandrel A (10) upper ends are connected with rotating shaft, rotating shaft by shaft coupling is installed with belt wheel B (22), belt wheel A (20) and belt wheel B
(22) belt (21) is connected between.
8. a kind of building stone multi-directional drilling device according to claim 1, it is characterised in that：The lifter plate (26)
Downside is also installed with telescopic cylinder (16), telescopic cylinder (16) output shaft and is installed with bore motor (17),
Drill bit (18) is threaded with bore motor (17) output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565272.XA CN107150416A (en) | 2017-07-12 | 2017-07-12 | A kind of building stone multi-directional drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565272.XA CN107150416A (en) | 2017-07-12 | 2017-07-12 | A kind of building stone multi-directional drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107150416A true CN107150416A (en) | 2017-09-12 |
Family
ID=59797045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565272.XA Withdrawn CN107150416A (en) | 2017-07-12 | 2017-07-12 | A kind of building stone multi-directional drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107150416A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570743A (en) * | 2017-10-31 | 2018-01-12 | 佛山瑞普达光电科技有限公司 | A kind of five gold bullion with holes automatically moves fixed borehole drill construction |
| CN107570742A (en) * | 2017-10-23 | 2018-01-12 | 佛山瑞普达光电科技有限公司 | A kind of long-bar metal block borehole drill construction |
| CN108340444A (en) * | 2018-02-28 | 2018-07-31 | 杨正 | A kind of Furniture manufacturing plate surface drilling equipment |
| CN108638346A (en) * | 2018-06-21 | 2018-10-12 | 杜成森 | Building stone multi-directional drilling device |
| CN108638211A (en) * | 2018-05-03 | 2018-10-12 | 安吉县大志家具制造有限公司 | The perforating device of plank in a kind of processing of novel furniture |
| CN108687372A (en) * | 2018-05-23 | 2018-10-23 | 安徽卓特信息技术有限公司 | A kind of building template detection drilling equipment |
| CN108889976A (en) * | 2018-07-22 | 2018-11-27 | 苏州优康通信设备有限公司 | A kind of multi-faceted organisation of working of communication apparatus |
| CN109013841A (en) * | 2018-09-17 | 2018-12-18 | 广德亚太汽车智能制动系统有限公司 | A kind of automobile brake disc processing hole punched device |
| CN109108859A (en) * | 2018-10-24 | 2019-01-01 | 重庆名宽机械制造有限公司 | The tooling for facilitating electric tool clamping and using |
| CN109202614A (en) * | 2018-09-20 | 2019-01-15 | 安徽荣明新材料科技有限公司 | Grinding device is used in a kind of processing of blower casing |
| CN109590507A (en) * | 2018-12-25 | 2019-04-09 | 杭州佧斯家居设计有限公司 | Drilling machine is used in a kind of processing of broken-bridge aluminum alloy door and window |
| CN112720865A (en) * | 2020-12-19 | 2021-04-30 | 罗源县西兰乡人民政府 | Drilling equipment is used in stone material processing |
| CN113600607A (en) * | 2021-07-06 | 2021-11-05 | 李伟 | Walking type soil pollution treatment device |
-
2017
- 2017-07-12 CN CN201710565272.XA patent/CN107150416A/en not_active Withdrawn
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570742A (en) * | 2017-10-23 | 2018-01-12 | 佛山瑞普达光电科技有限公司 | A kind of long-bar metal block borehole drill construction |
| CN107570743A (en) * | 2017-10-31 | 2018-01-12 | 佛山瑞普达光电科技有限公司 | A kind of five gold bullion with holes automatically moves fixed borehole drill construction |
| CN108340444A (en) * | 2018-02-28 | 2018-07-31 | 杨正 | A kind of Furniture manufacturing plate surface drilling equipment |
| CN108638211A (en) * | 2018-05-03 | 2018-10-12 | 安吉县大志家具制造有限公司 | The perforating device of plank in a kind of processing of novel furniture |
| CN108687372A (en) * | 2018-05-23 | 2018-10-23 | 安徽卓特信息技术有限公司 | A kind of building template detection drilling equipment |
| CN108638346B (en) * | 2018-06-21 | 2024-06-11 | 随州华晨石业有限公司 | Multidirectional drilling device for building stone |
| CN108638346A (en) * | 2018-06-21 | 2018-10-12 | 杜成森 | Building stone multi-directional drilling device |
| CN108889976A (en) * | 2018-07-22 | 2018-11-27 | 苏州优康通信设备有限公司 | A kind of multi-faceted organisation of working of communication apparatus |
| CN109013841A (en) * | 2018-09-17 | 2018-12-18 | 广德亚太汽车智能制动系统有限公司 | A kind of automobile brake disc processing hole punched device |
| CN109202614A (en) * | 2018-09-20 | 2019-01-15 | 安徽荣明新材料科技有限公司 | Grinding device is used in a kind of processing of blower casing |
| CN109202614B (en) * | 2018-09-20 | 2020-04-07 | 安徽瑞研新材料技术研究院有限公司 | Grinding device is used in processing of blower housing |
| CN109108859A (en) * | 2018-10-24 | 2019-01-01 | 重庆名宽机械制造有限公司 | The tooling for facilitating electric tool clamping and using |
| CN109590507A (en) * | 2018-12-25 | 2019-04-09 | 杭州佧斯家居设计有限公司 | Drilling machine is used in a kind of processing of broken-bridge aluminum alloy door and window |
| CN112720865A (en) * | 2020-12-19 | 2021-04-30 | 罗源县西兰乡人民政府 | Drilling equipment is used in stone material processing |
| CN113600607A (en) * | 2021-07-06 | 2021-11-05 | 李伟 | Walking type soil pollution treatment device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170912 |