CN115041730A - Novel portable handheld auxiliary tool for drilling - Google Patents
Novel portable handheld auxiliary tool for drilling Download PDFInfo
- Publication number
- CN115041730A CN115041730A CN202210811462.6A CN202210811462A CN115041730A CN 115041730 A CN115041730 A CN 115041730A CN 202210811462 A CN202210811462 A CN 202210811462A CN 115041730 A CN115041730 A CN 115041730A
- Authority
- CN
- China
- Prior art keywords
- rod
- operating rod
- electric drill
- novel portable
- bracket
- 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- Withdrawn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 34
- 238000010276 construction Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a novel portable handheld auxiliary tool for drilling, which comprises an operation rod and a main support which are oppositely arranged, and an auxiliary rod and an operation rod which are oppositely arranged; the operating rod, the auxiliary rod, the main support and the operating rod are sequentially hinged into a quadrilateral shape; a bracket is arranged at one end of the operating rod opposite to the hinged position of the operating rod; an electric drill is fixedly arranged on the bracket; the bottom of the operation rod is provided with a control rope connected with the electric drill switch; the operating rod controls the operating rod to drive the electric drill to move up and down; the control rope controls the electric drill to be switched on and off to complete drilling operation. Compared with the traditional construction method, the construction method improves the construction efficiency, reduces the labor intensity and reduces the operation safety risk.
Description
Technical Field
The invention relates to a construction auxiliary tool, in particular to a novel portable handheld auxiliary tool for drilling.
Background
In the building work progress, especially in the decoration and fitment work progress, the operation personnel often need carry out handheld electric tool on operation platform and carry out drilling operation, need continuous moving platform during drilling operation, and long-time operation back arm is sore and painful, construction speed is slower, and needs aerial work, and operation safety risk is great. In order to avoid the above disadvantages, it is important to explore safe and effective high-altitude drilling aids.
Disclosure of Invention
Aiming at the problems, the invention provides a novel portable handheld auxiliary tool for drilling, which improves the construction efficiency, reduces the labor intensity and reduces the operation safety risk compared with the traditional construction method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel portable handheld auxiliary tool for drilling comprises an operation rod and a main support which are oppositely arranged, and an auxiliary rod and an operation rod which are oppositely arranged; the operating rod, the auxiliary rod, the main support and the operating rod are sequentially hinged into a quadrilateral shape; a bracket is arranged at one end of the operating rod opposite to the hinged position of the operating rod; an electric drill is fixedly arranged on the bracket; the bottom of the operating rod is provided with a control rope connected with the electric drill switch; the operating rod controls the operating rod to drive the electric drill to move up and down; the control rope controls the electric drill to be switched on and off to complete drilling operation.
In the novel portable handheld auxiliary tool for drilling, the main support and the operation rod are vertical rods arranged in parallel; the auxiliary stem and the operating rod are cross rods arranged in parallel; the operation rod, the auxiliary rod, the main support and the operation rod are hinged to form a parallelogram shape.
The novel portable handheld auxiliary tool for drilling holes is characterized in that the main support is a telescopic support.
The novel portable handheld auxiliary tool for drilling holes is characterized in that the main support is provided with scales and small holes corresponding to the scales.
The novel portable handheld auxiliary tool for drilling holes is characterized in that a limiting rope is arranged on the operation rod, a limiting rod is arranged at the bottom of the limiting rope, and the limiting rod is inserted into the small holes to control the drilling depth of the electric drill.
The novel portable handheld auxiliary tool for drilling further comprises a supporting rod, wherein the supporting rod is connected with the bracket and the operating rod and used for supporting the bracket.
The novel portable handheld auxiliary tool for drilling holes is characterized in that a fixing band is arranged on the operation rod and used for fixing the bracket and the electric drill.
The novel portable handheld auxiliary tool for drilling holes is characterized in that a foot treading fixing plate is arranged at the bottom of the main support.
By adopting the technical scheme, the following beneficial effects can be achieved:
the invention can be repeatedly used, saves manpower and material resources, is beneficial to reducing resource waste, and is low-carbon and energy-saving; the construction is easy to operate, the manufacturing and mounting time is saved, the construction efficiency is improved, the labor intensity of workers is greatly reduced, and the tool avoids high-altitude drilling operation, reduces the operation safety risk, is favorable for promoting safe and civilized construction, has obvious social and economic benefits, and can provide reference for such construction in the future.
Drawings
FIG. 1 is a schematic structural view of a novel portable hand-held auxiliary tool for drilling holes in accordance with the present invention;
fig. 2 is a schematic view of the construction of the stopper rope and stopper rod of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 and 2, a novel portable handheld auxiliary tool for drilling comprises a working rod 1 and a main support 2 which are arranged in parallel, an auxiliary rod 3 and an operating rod 4 which are arranged in parallel; wherein, the working rod 1 and the main bracket 2 are vertically arranged, and the auxiliary rod 3 and the operating rod 4 are horizontally arranged; the lower end of the operating rod 1 is hinged with one end of an operating rod 4 through a movable half-tooth movable bolt 5; the middle part of the operation rod 1 is hinged with one end of the auxiliary rod 3 through a movable half-tooth movable bolt 5, the other end of the auxiliary rod 3 is connected with the top end of the main support 2 through a movable half-tooth movable bolt 5, the middle part of the operation rod 4 is connected with the main support 2 through a movable half-tooth movable bolt 5, and the main support 2, the operation rod 1, the operation rod 4 and the auxiliary rod 3 are connected to form a parallelogram structure. A bracket 14 is arranged at the top end of the operating rod 1, and an electric drill 15 is fixedly arranged on the bracket 14; the bottom of the operation rod 1 is provided with a control rope 12 connected with a switch of an electric drill 15, the switch of the electric drill 15 is pressed by pulling the control rope 12 of the switch of the electric drill 15 by hand, so that the electric drill 15 operates, and the control rope 12 of the switch of the electric drill 15 is released so that the electric drill stops operating; the operating rod 4 controls the operating rod 1 to drive the electric drill 15 to move up and down; the control rope 12 controls the electric drill 15 to be switched on and off to complete the drilling operation.
In a preferred embodiment of the present invention, the main support 2 is a telescopic support, and specifically, may be configured as a telescopic joint, each section has a height of 500mm, similar to the telescopic principle of the sliding staff, and the extension of the telescopic rod is completed by popping out the interface through the snap spring 7, and the shortening of the main support is completed by pressing the snap spring into the interface.
In a preferred embodiment of the invention, scales and small holes 6 corresponding to the scales are arranged on the main support 2, each scale corresponds to 1cm, and 20 scales are arranged; the operation rod 1 is provided with a limiting rope 10 with a fixed length, the end part of the limiting rope 10 is provided with a limiting small rod 11, the limiting small hole 6 inserted into the main support 2 through the limiting small rod 11 can realize the control of the drilling depth of the electric drill, and 20 scales can realize the control of the drilling depth of 20 cm. The length of spacing rope 10 is 500mm, and in the consideration of preventing the too much easy knot of rope, spacing rope also can be changed into the spacing strip of aluminum alloy.
In a preferred embodiment of the invention, the support rod 13 is further included, and the bracket 14 is reinforced by the support rod 13, so that the electric drill 15 is prevented from being displaced during operation, which causes unpredictable results. The end part of the working rod 1 is provided with two fixing belts 16 for fixing the electric drill, and the end part of the bracket 14 is provided with one fixing belt 16 for fixing the electric drill 15.
In a preferred embodiment of the present invention, a step fixing plate 9 is disposed at the bottom of the main support 2, and the step fixing plate 9 is formed by processing a steel plate and is connected to the bottom of the main support 2 through a hinge, and is movable up and down.
When the telescopic pedal type telescopic power supply is used, the pedal fixing plate 9 at the bottom of the telescopic main support 2 is opened, the pedal is used for stepping on, the main support 2 is held by one hand, the telescopic joint 8 of the main support 2 is pulled out, the required height is adjusted, the clamp spring 7 is enabled to clamp the corresponding interface, and the main support 2 is extended; then the electric drill 15 is placed on the supporting plate 14 and is firmly fixed by the fixing belt 16, the small limiting rod 11 is inserted into the small limiting hole 6 corresponding to the depth to be drilled, then the control rope 12 is tied into a slipknot on a switch of the electric drill 15, the slipknot is tightened by pulling the control rope 12 to press the switch of the electric drill 15 to enable the electric drill to operate right below the part to be drilled, and the operating handle 18 holding the end of the operating rod 4 is pressed downwards by one hand to perform drilling operation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a novel portable handheld appurtenance drills which characterized in that: comprises an operating rod and a main bracket which are oppositely arranged, and an auxiliary rod and an operating rod which are oppositely arranged;
the operating rod, the auxiliary rod, the main support and the operating rod are sequentially hinged into a quadrilateral shape;
a bracket is arranged at one end of the operating rod opposite to the hinged position of the operating rod; an electric drill is fixedly arranged on the bracket;
the bottom of the operating rod is provided with a control rope connected with the electric drill switch;
the operating rod controls the operating rod to drive the electric drill to move up and down; the control rope controls the electric drill to be switched on and off to complete drilling operation.
2. The novel portable handheld auxiliary tool for drilling is characterized in that: the main bracket and the operating rod are vertical rods arranged in parallel; the auxiliary stem and the operating rod are cross rods arranged in parallel; the operation rod, the auxiliary rod, the main support and the operation rod are hinged to form a parallelogram shape.
3. The novel portable handheld auxiliary tool for drilling holes as claimed in claim 1, wherein: the main support is a telescopic support.
4. A novel portable hand-held auxiliary tool for drilling holes as claimed in claim 3, wherein: the main support is provided with scales and small holes corresponding to the scales.
5. The novel portable handheld auxiliary tool for drilling according to claim 4, wherein: the electric drill is characterized in that a limiting rope is arranged on the operation rod, a limiting rod is arranged at the bottom of the limiting rope, and the electric drill is controlled by inserting the limiting rod into the small hole.
6. The novel portable handheld auxiliary tool for drilling holes as claimed in claim 1, wherein: the support rod is connected with the bracket and the operation rod and used for supporting the bracket.
7. The novel portable handheld auxiliary tool for drilling holes as claimed in claim 1, wherein: the operation rod is provided with a fixing belt for fixing the bracket and the electric drill.
8. The novel portable handheld auxiliary tool for drilling holes as claimed in claim 1, wherein: and a foot-treading fixing plate is arranged at the bottom of the main bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210811462.6A CN115041730A (en) | 2022-07-11 | 2022-07-11 | Novel portable handheld auxiliary tool for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210811462.6A CN115041730A (en) | 2022-07-11 | 2022-07-11 | Novel portable handheld auxiliary tool for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115041730A true CN115041730A (en) | 2022-09-13 |
Family
ID=83166323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210811462.6A Withdrawn CN115041730A (en) | 2022-07-11 | 2022-07-11 | Novel portable handheld auxiliary tool for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115041730A (en) |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201245963Y (en) * | 2008-08-11 | 2009-05-27 | 河北建工集团有限责任公司 | Electric drill support for perforating on top plate |
| CN201442258U (en) * | 2009-08-18 | 2010-04-28 | 王志峰 | Upward drilling support for electric drill |
| CN202055763U (en) * | 2011-05-23 | 2011-11-30 | 胜利油田胜利工程建设（集团）有限责任公司 | Building roof precise boring device |
| CN203156100U (en) * | 2013-01-25 | 2013-08-28 | 中铁八局集团建筑工程有限公司 | Drilling instrument for suspended ceiling construction |
| CN204234812U (en) * | 2014-10-21 | 2015-04-01 | 中冶建工集团有限公司 | Floor end face or large soffit drilling construction support body |
| JP2015188941A (en) * | 2014-03-27 | 2015-11-02 | トヨタ車体株式会社 | work assist device |
| CN204934670U (en) * | 2015-09-06 | 2016-01-06 | 中国建筑第七工程局有限公司 | A kind of electric drill auxiliary stand |
| CN205096590U (en) * | 2015-09-30 | 2016-03-23 | 中铁三局集团有限公司 | Simple and easy auxiliary device of ceiling punching operation |
| CN105618813A (en) * | 2016-03-12 | 2016-06-01 | 中天建设集团有限公司 | Aerial drilling auxiliary tool |
| CN205599974U (en) * | 2016-04-05 | 2016-09-28 | 中冶天工集团天津有限公司 | Portable drilling tool |
| CN205764030U (en) * | 2016-04-25 | 2016-12-07 | 石家庄新奥燃气有限公司 | A kind of ceiling hole drilling auxiliary device |
| CN107790787A (en) * | 2017-09-27 | 2018-03-13 | 中船第九设计研究院工程有限公司 | The lengthening support that a kind of packaged type electric drill drills vertically upward |
| CN107999829A (en) * | 2017-10-23 | 2018-05-08 | 中国十七冶集团有限公司 | Bar planting drilling aid at the top of a kind of building secondary structure constructional column |
| CN207533995U (en) * | 2017-09-11 | 2018-06-26 | 中国建筑第七工程局有限公司 | A kind of eminence drilling aid |
| CN109365876A (en) * | 2018-12-11 | 2019-02-22 | 中国二冶集团有限公司 | A kind of high-altitude vertical drilling construction method |
| CN209239124U (en) * | 2018-11-19 | 2019-08-13 | 中国建筑土木建设有限公司 | Simple tool for drilling high places |
| CN209478612U (en) * | 2018-08-31 | 2019-10-11 | 山西建筑工程集团有限公司 | A kind of scalable auxiliary tool of movable type for vertically drilling |
| CN210850119U (en) * | 2019-08-07 | 2020-06-26 | 中国二十冶集团有限公司 | Roof drilling auxiliary device |
| CN111702220A (en) * | 2020-06-19 | 2020-09-25 | 中冶天工集团有限公司 | Drilling device for high-altitude operation of building and operation method thereof |
| CN212578916U (en) * | 2020-05-28 | 2021-02-23 | 中铁十局集团建筑工程有限公司 | Building floor expansion bolts drilling tool |
| CN213969132U (en) * | 2020-12-16 | 2021-08-17 | 中建八局天津建设工程有限公司 | Portable roof drilling auxiliary device |
| CN214023625U (en) * | 2020-12-24 | 2021-08-24 | 中国二冶集团有限公司 | Vertical drilling equipment under board |
| US20220040874A1 (en) * | 2020-08-06 | 2022-02-10 | Pf-Schweisstechnologie Gmbh | Tool holder and pipe machining tool |
| CN215969474U (en) * | 2021-10-09 | 2022-03-08 | 中建八局发展建设有限公司 | Portable floor appurtenance that punches |
| CN216913730U (en) * | 2022-03-04 | 2022-07-08 | 中电建十一局工程有限公司 | Support device for upward vertical hole forming of electric drill |
-
2022
- 2022-07-11 CN CN202210811462.6A patent/CN115041730A/en not_active Withdrawn
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201245963Y (en) * | 2008-08-11 | 2009-05-27 | 河北建工集团有限责任公司 | Electric drill support for perforating on top plate |
| CN201442258U (en) * | 2009-08-18 | 2010-04-28 | 王志峰 | Upward drilling support for electric drill |
| CN202055763U (en) * | 2011-05-23 | 2011-11-30 | 胜利油田胜利工程建设（集团）有限责任公司 | Building roof precise boring device |
| CN203156100U (en) * | 2013-01-25 | 2013-08-28 | 中铁八局集团建筑工程有限公司 | Drilling instrument for suspended ceiling construction |
| JP2015188941A (en) * | 2014-03-27 | 2015-11-02 | トヨタ車体株式会社 | work assist device |
| CN204234812U (en) * | 2014-10-21 | 2015-04-01 | 中冶建工集团有限公司 | Floor end face or large soffit drilling construction support body |
| CN204934670U (en) * | 2015-09-06 | 2016-01-06 | 中国建筑第七工程局有限公司 | A kind of electric drill auxiliary stand |
| CN205096590U (en) * | 2015-09-30 | 2016-03-23 | 中铁三局集团有限公司 | Simple and easy auxiliary device of ceiling punching operation |
| CN105618813A (en) * | 2016-03-12 | 2016-06-01 | 中天建设集团有限公司 | Aerial drilling auxiliary tool |
| CN205599974U (en) * | 2016-04-05 | 2016-09-28 | 中冶天工集团天津有限公司 | Portable drilling tool |
| CN205764030U (en) * | 2016-04-25 | 2016-12-07 | 石家庄新奥燃气有限公司 | A kind of ceiling hole drilling auxiliary device |
| CN207533995U (en) * | 2017-09-11 | 2018-06-26 | 中国建筑第七工程局有限公司 | A kind of eminence drilling aid |
| CN107790787A (en) * | 2017-09-27 | 2018-03-13 | 中船第九设计研究院工程有限公司 | The lengthening support that a kind of packaged type electric drill drills vertically upward |
| CN107999829A (en) * | 2017-10-23 | 2018-05-08 | 中国十七冶集团有限公司 | Bar planting drilling aid at the top of a kind of building secondary structure constructional column |
| CN209478612U (en) * | 2018-08-31 | 2019-10-11 | 山西建筑工程集团有限公司 | A kind of scalable auxiliary tool of movable type for vertically drilling |
| CN209239124U (en) * | 2018-11-19 | 2019-08-13 | 中国建筑土木建设有限公司 | Simple tool for drilling high places |
| CN109365876A (en) * | 2018-12-11 | 2019-02-22 | 中国二冶集团有限公司 | A kind of high-altitude vertical drilling construction method |
| CN210850119U (en) * | 2019-08-07 | 2020-06-26 | 中国二十冶集团有限公司 | Roof drilling auxiliary device |
| CN212578916U (en) * | 2020-05-28 | 2021-02-23 | 中铁十局集团建筑工程有限公司 | Building floor expansion bolts drilling tool |
| CN111702220A (en) * | 2020-06-19 | 2020-09-25 | 中冶天工集团有限公司 | Drilling device for high-altitude operation of building and operation method thereof |
| US20220040874A1 (en) * | 2020-08-06 | 2022-02-10 | Pf-Schweisstechnologie Gmbh | Tool holder and pipe machining tool |
| CN213969132U (en) * | 2020-12-16 | 2021-08-17 | 中建八局天津建设工程有限公司 | Portable roof drilling auxiliary device |
| CN214023625U (en) * | 2020-12-24 | 2021-08-24 | 中国二冶集团有限公司 | Vertical drilling equipment under board |
| CN215969474U (en) * | 2021-10-09 | 2022-03-08 | 中建八局发展建设有限公司 | Portable floor appurtenance that punches |
| CN216913730U (en) * | 2022-03-04 | 2022-07-08 | 中电建十一局工程有限公司 | Support device for upward vertical hole forming of electric drill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201245963Y (en) | Electric drill support for perforating on top plate | |
| CN205313018U (en) | Road is hoisting device for well lid | |
| CN202255930U (en) | Intelligent hollow sampling drilling machine | |
| CN201544357U (en) | Portable dedicated device for suspended ceiling drilling | |
| CN115041730A (en) | Novel portable handheld auxiliary tool for drilling | |
| CN201614726U (en) | Boring device of top plate | |
| CN216913730U (en) | Support device for upward vertical hole forming of electric drill | |
| CN202327591U (en) | Knapsack type labor-saving device of spring balancer | |
| CN207971457U (en) | Top plate drilling combines yoke at a kind of superelevation | |
| CN205616509U (en) | Electric hammer operation vertical lifting device | |
| CN109014926A (en) | Steel pipe cutting drilling device | |
| CN205057125U (en) | Indoor roof bar planting drilling tool | |
| CN201924361U (en) | Cable traction pile extractor | |
| CN2583071Y (en) | Portable crane | |
| CN203565915U (en) | Improved device for punching suspended ceiling conveniently | |
| CN218518936U (en) | Auxiliary tool for bar planting at top of constructional column | |
| CN105706755A (en) | Electric high-altitude pruning machine for forest fruits | |
| CN208062663U (en) | The special line lifter of concurrent | |
| CN206915650U (en) | A kind of vehicle-mounted construction-site crane | |
| CN217359043U (en) | Core sample splitting machine | |
| CN213081900U (en) | Brick cutting equipment for building | |
| CN105252041A (en) | Portable assistance supporting frame suitable for overhead operation | |
| CN205967520U (en) | Top drilling support appurtenance | |
| CN205596669U (en) | Electronic woods fruit high altitude pruning machine | |
| CN202689592U (en) | Auxiliary tool for electric hammer in high-place operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20220913 |