CN110961693A - Drilling machine support device structure and construction method thereof - Google Patents
Drilling machine support device structure and construction method thereof Download PDFInfo
- Publication number
- CN110961693A CN110961693A CN201911079719.8A CN201911079719A CN110961693A CN 110961693 A CN110961693 A CN 110961693A CN 201911079719 A CN201911079719 A CN 201911079719A CN 110961693 A CN110961693 A CN 110961693A
- Authority
- CN
- China
- Prior art keywords
- support
- telescopic
- half section
- drill
- telescopic 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0035—Extensible supports, e.g. telescopic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
A drill support device structure comprises a fixed support, a coarse adjustment device and a fine adjustment device; the fixed support comprises a fixed support used for mounting the electric hand drill and a Y-shaped fixed mount; the coarse adjustment device comprises a first telescopic bracket and a second telescopic bracket; the fine adjustment device comprises a fine adjustment box, an adjustment handle, a gear and a rack; the bottom of the first telescopic support is sleeved inside the upper half section of the second telescopic support; the fine tuning box is coated at the joint of the upper half section and the lower half section of the second telescopic bracket and is fixed on the lower half section of the second telescopic bracket through a bolt; the bottom end of the upper half section of the second telescopic bracket is provided with a strip-shaped lifting hole for adjusting a handle to pass through; the rack is installed on the first section of inner wall of the second telescopic support and one side of the vertical surface of the gear, and the gear is fixedly installed in the middle of the adjusting handle and meshed with the rack. The invention has convenient construction and does not need to carry out high-altitude operation; and the pore-forming quality is ensured, and the deviation of the steel bar is avoided.
Description
Technical Field
The invention relates to a tool for assisting in planting bars, in particular to a drilling machine support device structure used in bar planting construction and a construction method thereof.
Background
Secondary structure roof bar planting among the building engineering adopts to set up the scaffold frame and is under construction at present. The existing drilling construction process of the electric hand drill brings a great deal of inconvenience to the construction:
1. the drilling is easy to misplace up and down, and the formed hole is not vertical.
2. A movable scaffold needs to be erected in advance, so that the operation is inconvenient;
3. when the scaffold is operated, certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a support device structure of a drilling machine, which is convenient to construct, does not need to set up and remove a movable scaffold, improves the safety and does not need to carry out high-altitude operation; and the pore-forming quality is ensured, and the deviation of the steel bar is avoided. The invention also provides a construction method of the support device structure of the drilling machine, which aims to solve the problems in the prior art.
The technical scheme for solving the problems is as follows: a drill support device structure comprises a fixed bracket and an adjusting device; the fixed support comprises a fixed support used for mounting the electric hand drill and a Y-shaped fixed mount; the fixed support comprises an L-shaped panel which is horizontally arranged, and an L-shaped side plate is arranged on one L-shaped side edge of the L-shaped panel; the upper part of the Y-shaped fixing frame is fixedly connected with the bottom of the L-shaped panel;
the adjusting device comprises a coarse adjusting device and a fine adjusting device; the coarse adjustment device comprises a first telescopic bracket and a second telescopic bracket; the second telescopic bracket consists of an upper half section and a lower half section; the fine adjustment device comprises a fine adjustment box, an adjustment handle, a gear and a rack; the first telescopic support and the second telescopic support are both hollow rectangular columns and are provided with positioning holes; the top of the first telescopic bracket is fixedly connected with the lower part of the Y-shaped fixing frame; the bottom of the first telescopic support is sleeved inside the upper half section of the second telescopic support and is connected with the upper half section of the second telescopic support through a bolt; the cross sections of the upper half section and the lower half section of the second telescopic support are the same in size, and the upper half section and the lower half section of the second telescopic support are movably connected through a fine adjustment device; the fine tuning box is coated at the joint of the upper half section and the lower half section of the second telescopic bracket and is fixed on the lower half section of the second telescopic bracket through a bolt; the outer surface of the fine tuning box is also provided with a leveling bubble; the bottom end of the upper half section of the second telescopic bracket is provided with a strip-shaped lifting hole for adjusting a handle to pass through; two ends of the adjusting handle respectively sequentially penetrate through the elongated lifting hole and the fine adjustment box on the upper half section of the second telescopic support and are positioned outside the fine adjustment box; the rack is installed on the first section of inner wall of the second telescopic support and one side of the vertical surface of the gear, and the gear is fixedly installed in the middle of the adjusting handle and meshed with the rack.
The further technical scheme is as follows: the drill support device structure is also provided with a bandage for mounting the electric hand drill on the fixed support.
The further technical scheme is as follows: be equipped with multilayer telescopic bracket between first telescopic bracket and the second telescopic bracket, multilayer telescopic bracket cover is in the same place, and is equipped with the locating hole on the telescopic bracket support body, carries out fixed connection through the bolt.
The other related technical scheme is as follows: a construction method of a drill support device structure is the construction method of the drill support device structure, and the construction process flow is as follows: A. determining the structural size of a drill support device → B, manufacturing each part of the drill support device structure → C, assembling the drill support device structure → D, roughly adjusting the structural height of the drill support device → E, finely adjusting the structural height of the drill support device → F, and precisely drilling; wherein:
step C, assemble rig support device structure, mainly including: installing a fine adjustment device on the second telescopic bracket; mounting the first telescopic bracket on the second telescopic bracket; mounting a leveling bubble on the outer surface of the fine adjustment box;
step D, roughly adjusting the structural height of the support device of the drilling machine: a bolt penetrates through the upper half section of the second telescopic support and a positioning hole of the first telescopic support, is exposed and is fixed by a nut, and the height of the structure of the drill support device is roughly determined;
e, fine adjustment of the structural height of the support device of the drilling machine: the support device structure of the drilling machine is erected vertically, the support is finely adjusted by rotating the adjusting handle, and the height of the electric hand drill is accurately adjusted and kept horizontal by using the fine adjusting device and the leveling air bubbles.
Due to the adoption of the technical scheme, compared with the prior art, the drill support device structure and the construction method thereof have the following beneficial effects:
1. the drill support device structure provided by the invention adopts the adjusting device and the leveling bubble to achieve the purpose of adjusting the height and the position of the electric hand drill on the horizontal ground, and is convenient and rapid. The adjusting device is divided into a coarse adjusting device and a fine adjusting device, the height of the electric hand drill device is roughly determined by using the coarse adjusting device, then the height of the electric hand drill device is accurately adjusted and kept horizontal by using the fine adjusting device and the leveling bubble, and the perpendicularity of the upper steel bar planting bar and the lower steel bar planting bar is guaranteed to be consistent, so that the purposes of accurate drilling and no deviation are achieved, the construction time cost is saved, and the construction precision is improved.
2. The support device structure of the drilling machine is convenient to construct, can be used for directly standing on a floor to carry out top plate bar planting construction, does not need to be built with a movable scaffold, avoids potential safety hazards in high-place operation, and is safe and reliable.
3. Improve the pore-forming quality, guarantee that the reinforcing bar planting hangs down the straightness unanimity about.
4. The construction cost is saved, the drilling tool is suitable for small-sized and small-space drilling, the scaffold does not need to be erected and dismantled for many times, the labor cost is saved, and the operation area is also reduced.
The invention relates to a working principle of a fine adjustment device of a drill support device structure, which comprises the following steps:
the fine setting device comprises components such as fine setting box, inside gear and rack, and the fine setting box outer wall is connected through the bolt with the lower half section 42 of second telescopic bracket, and the regulation handle is connected with inside gear to it is rotatable outside wearing out the fine setting box outer wall. When the fine adjustment device works, the rotation of the internal gear can be controlled through the rotation of the adjusting handle, an internal climbing strip (namely a rack) is arranged on one side of the vertical surface of the upper half section 41 of the second telescopic support and the gear, the internal gear is meshed with the climbing strip, and the upper half section 41 of the second telescopic support is driven to move through the rotation of the gear and the reserved strip-shaped lifting hole, so that the fine adjustment effect is realized.
The technical features of a drill stand device structure and a construction method thereof according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1: the invention discloses a schematic diagram of a structure of a drill rig support device;
FIG. 2: a schematic side view of the fixing bracket of the present invention;
FIG. 3: the internal structure of the fine tuning device of the present invention is schematically illustrated;
FIG. 4: the top view of the fine tuning device of the present invention.
In the figure:
1-fixed support, 11-L-shaped panel and 12-L-shaped sideboard;
2- "Y" type fixed mount, 21- "Y" type fixed mount upper portion, 22- "Y" type fixed mount lower portion;
3-a first telescopic bracket, 31-a top plate and 32-a circular through hole I;
4-a second telescopic bracket, 41-an upper half section, 42-a lower half section, 43-a round through hole II, 44-a strip-shaped lifting hole;
5-a fine adjustment device, 51-a fine adjustment box, 52-an adjustment handle, 53-a gear and 54-a rack;
6-leveling air bubble, 7-bolt, 8-ribbon and 9-electric hand drill.
Detailed Description
Example 1:
a rig stand apparatus structure, see fig. 1, comprising a fixed bracket and an adjusting apparatus; the fixed support comprises a fixed support 1 for mounting the electric hand drill and a Y-shaped fixed mount 2; the fixed support comprises an L-shaped panel 11 which is horizontally arranged, and an L-shaped side 12 is arranged on one L-shaped side of the L-shaped panel; the upper part 21 of the Y-shaped fixing frame is fixedly connected with the bottom of the L-shaped panel 11; the height of the vertical plate of the L-shaped panel 11 and the height of the vertical plate of the L-shaped side plate 12 do not exceed the installation position of the electric drill head. The L-shaped panel 11 and the L-shaped side panel 12 are in L shapes, so that the electric hand drill can be conveniently positioned, installed and fixed on the fixed support 1, and the electric hand drill is prevented from moving.
The adjusting device comprises a coarse adjusting device and a fine adjusting device 5; the coarse adjustment device comprises a first telescopic bracket 3 and a second telescopic bracket 4; the second telescopic bracket is composed of an upper half section 41 and a lower half section 42, the upper half section 41 is used as a movable end, and the lower half section 42 is used as a fixed end; the fine adjustment device 5 comprises a fine adjustment box 51, an adjustment handle 52, a gear 53 and a rack 54;
the first telescopic support 3 and the second telescopic support 4 are both hollow rectangular columns and are provided with positioning holes; as shown in fig. 1, positioning holes (circular through holes i 32) are symmetrically formed in the vertical direction of any one set of opposite surfaces of the first telescopic bracket 3, and positioning holes (circular through holes ii 43) are symmetrically formed in the vertical direction of any one set of opposite surfaces of the second telescopic bracket;
the top of the first telescopic bracket 3 is fixedly connected with the lower part 22 of the Y-shaped fixed bracket; for example, a top plate 31 may be disposed on the top of the first telescopic bracket, and the top plate is fixedly welded to the lower portion of the "Y" shaped fixing frame;
the bottom cover of first telescopic bracket 3 is located inside the first telescopic bracket upper half 41 to be connected with the second telescopic bracket upper half 41 through the bolt, for example: bolts penetrate through the round through holes I32 and the round through holes II 43, are exposed and then are fixed by nuts. The cross section sizes of the upper half section 41 and the lower half section 42 of the second telescopic bracket are the same, and the upper half section 41 and the lower half section 42 of the second telescopic bracket are movably connected through a fine adjustment device 5; the fine tuning box 5 is a rectangular box body without a top surface and a bottom surface. The fine tuning box 5 is coated at the joint of the upper half section and the lower half section of the second telescopic bracket and is fixed on the lower half section 42 of the second telescopic bracket through a bolt; for example, circular through holes iii for fixing with the fine adjustment box may be symmetrically provided at the place where the lower half section is covered by the fine adjustment box, a circular through hole v corresponding to the circular through hole iii is provided on the box wall of the fine adjustment box, a bolt is adopted to pass through the circular through hole iii and the circular through hole v, the bolt is exposed, and then the bolt is fixed by a nut. Still be provided with a level bubble 6 on the surface of fine setting box, this level bubble 6 carries out the straightness that hangs down to the support and detects, prevents the upper and lower drilling skew.
The bottom end of the upper half section 42 of the second telescopic support is symmetrically provided with a long strip-shaped lifting hole 44 for an adjusting handle 52 to pass through, and two ends of the adjusting handle 52 respectively pass through the long strip-shaped lifting hole and the fine adjustment box on the upper half section of the second telescopic support in sequence and are positioned outside the fine adjustment box; for example, a round through hole iv corresponding to the elongated lifting hole 44 and used for passing through an adjusting handle is formed in the box wall of the fine adjustment box, two ends of the adjusting handle 52 respectively pass through the elongated lifting hole 44 and the round through hole iv in sequence and extend out of the fine adjustment box, the adjusting handle 52 adjusts the telescopic joint through the elongated lifting hole 44, and fine adjustment is performed through adjustment of the telescopic joint.
The inner wall of the upper half section 41 of the second telescopic bracket is provided with a rack 54 on one side of the vertical plane of the gear, referring to fig. 3, the gear 53 is fixedly arranged in the middle of the adjusting handle and meshed with the rack 54, and the upper half section of the second telescopic bracket is adjusted to move up and down relative to the lower half section by rotating the adjusting handle 52, so as to achieve the fine adjustment effect.
The drill support device structure is also provided with a binding belt 8 which is used for installing the electric hand drill on the fixed support and is made of insulating rubber.
In the use state: placing an electric hand drill 9 on an inner right angle of the fixed support, and fixing the electric hand drill 9 on the fixed support 1 through a binding belt 8 in the horizontal direction and the vertical direction; after aligning the positioning holes (namely the circular through holes I and II) on the upper half sections of the first telescopic support and the second telescopic support, penetrating the positioning holes (namely the circular through holes I and II) through bolts 7, and screwing the nuts on the bolts. The upper half section of the second telescopic support is adjusted to move up and down relative to the lower half section through rotating the adjusting handle, and short-distance accurate adjustment of the second telescopic support is carried out.
As a transform of this embodiment, be equipped with multilayer telescopic bracket between first telescopic bracket and the second telescopic bracket, multilayer telescopic bracket overlaps together, and is equipped with the locating hole on the telescopic bracket support body, can adopt the connected mode of first telescopic bracket 3 and the first half section of second telescopic bracket to lengthen, carries out fixed connection through the bolt.
Example 2:
a construction method of a drill support device structure is the construction method of the drill support device structure in embodiment 1, and the construction process flow is as follows: A. determining the structural size of a drill support device → B, manufacturing each part of the drill support device structure → C, assembling the drill support device structure → D, roughly adjusting the structural height of the drill support device → E, finely adjusting the structural height of the drill support device → F, and precisely drilling; specifically, the method comprises the following steps:
the step A, determining the structural size of the drill support device, wherein the structural size comprises the following main contents: determining the position of each positioning hole, wherein the diameter of each positioning hole is 10 mmm; selecting angle iron as the material of the fixed support 1; square steel is selected as the material of the Y-shaped fixing frame 2; selecting a square tube as a material of the first telescopic support 3 and the second telescopic support 4, wherein the inner diameter of the first telescopic support is 20-40 cm, the inner diameter of the second telescopic support 4 is 25-45cm, and the inner diameter of the first telescopic support is slightly smaller than that of the second telescopic support 4; a steel pipe with the diameter of 10mm is selected as the material of the adjusting handle.
B, manufacturing all parts of the support device structure of the drilling machine: symmetrically drilling positioning holes on any group of opposite surfaces of the square pipe by using an electric drill to manufacture a first telescopic bracket 3 and a second telescopic bracket 4, wherein a strip-shaped lifting hole 44 is reserved on the second telescopic bracket 4; welding two sections of square steel into a whole at 90 degrees, and then welding the other section of square steel into a whole at 60 degrees in a Y shape to obtain a Y-shaped fixing frame 2 (the length of the square steel at the upper part of the Y-shaped fixing frame is 40cm-60cm, the angle of the square steel is 60 degrees, the length of the square steel at the lower part of the Y-shaped fixing frame is 40cm-80cm, and the angle of the square steel and the upper half part is 120 degrees); and the welded Y-shaped fixing frame 2 and the fixed support 1 made of the angle iron are also welded into a whole.
And step C, assembling a support device structure of the drilling machine, which mainly comprises ① mounting a fine adjustment device 5 on a second telescopic support, sleeving the upper half section 41 of the second telescopic support into a fine adjustment box, allowing an adjustment handle 52 to enter a long strip-shaped lifting hole 44, enabling a gear to be meshed with a rack, then sleeving the lower half section 42 of the second telescopic support into the fine adjustment box, fixing the fine adjustment box by using a bolt, ② mounting a first telescopic support on the second telescopic support, inserting and sleeving the bottom of the first telescopic support into the upper half section of the second telescopic support from the top of the upper half section of the second telescopic support, ③ fixing the support on a support by using a ribbon handle electric drill, binding the support tightly, and ④ mounting a leveling bubble on the outer surface of the fine adjustment box.
Step D, roughly adjusting the structural height of the support device of the drilling machine: and a bolt penetrates through the upper half section of the second telescopic support and the positioning hole of the first telescopic support, the exposed length of the bolt is 3cm, and the bolt is fixed by a nut, so that the height of the support device structure of the drilling machine is roughly determined.
E, fine adjustment of the structural height of the support device of the drilling machine: the support device structure of the drilling machine is erected vertically, and the support is finely adjusted by rotating the adjusting handle, wherein the fine adjustment range is 0-10 cm. The height of the electric hand drill is accurately adjusted by using the fine adjustment device and the leveling bubble, and the verticality of the support device is ensured.
F. And (3) accurate drilling: the drilling machine support device is vertically placed on a floor surface, and a constructor starts a power supply of the electric hand drill to drill holes accurately.
Claims (4)
1. A kind of rig support device structure, characterized by: comprises a fixed bracket and an adjusting device; the fixed support comprises a fixed support used for mounting the electric hand drill and a Y-shaped fixed mount; the fixed support comprises an L-shaped panel which is horizontally arranged, and an L-shaped side plate is arranged on one L-shaped side edge of the L-shaped panel; the upper part of the Y-shaped fixing frame is fixedly connected with the bottom of the L-shaped panel;
the adjusting device comprises a coarse adjusting device and a fine adjusting device; the coarse adjustment device comprises a first telescopic bracket and a second telescopic bracket; the second telescopic bracket consists of an upper half section and a lower half section; the fine adjustment device comprises a fine adjustment box, an adjustment handle, a gear and a rack; the first telescopic support and the second telescopic support are both hollow rectangular columns and are provided with positioning holes; the top of the first telescopic bracket is fixedly connected with the lower part of the Y-shaped fixing frame; the bottom of the first telescopic support is sleeved inside the upper half section of the second telescopic support and is connected with the upper half section of the second telescopic support through a bolt; the cross sections of the upper half section and the lower half section of the second telescopic support are the same in size, and the upper half section and the lower half section of the second telescopic support are movably connected through a fine adjustment device; the fine tuning box is coated at the joint of the upper half section and the lower half section of the second telescopic bracket and is fixed on the lower half section of the second telescopic bracket through a bolt; the outer surface of the fine tuning box is also provided with a leveling bubble; the bottom end of the upper half section of the second telescopic bracket is provided with a strip-shaped lifting hole for adjusting a handle to pass through; two ends of the adjusting handle respectively sequentially penetrate through the elongated lifting hole and the fine adjustment box on the upper half section of the second telescopic support and are positioned outside the fine adjustment box; the rack is installed on the first section of inner wall of the second telescopic support and one side of the vertical surface of the gear, and the gear is fixedly installed in the middle of the adjusting handle and meshed with the rack.
2. A drill stand structure according to claim 1, wherein: the drill support device structure is also provided with a bandage for mounting the electric hand drill on the fixed support.
3. A drill stand structure according to claim 1, wherein: be equipped with multilayer telescopic bracket between first telescopic bracket and the second telescopic bracket, multilayer telescopic bracket cover is in the same place, and is equipped with the locating hole on the telescopic bracket support body, carries out fixed connection through the bolt.
4. A construction method of a drill support device structure is characterized by comprising the following steps: the construction method of the drill rig support device structure as claimed in claim 1 comprises the following construction process flows: A. determining the structural size of a drill support device → B, manufacturing each part of the drill support device structure → C, assembling the drill support device structure → D, roughly adjusting the structural height of the drill support device → E, finely adjusting the structural height of the drill support device → F, and precisely drilling; wherein:
step C, assemble rig support device structure, mainly including: installing a fine adjustment device on the second telescopic bracket; mounting the first telescopic bracket on the second telescopic bracket; mounting a leveling bubble on the outer surface of the fine adjustment box;
step D, roughly adjusting the structural height of the support device of the drilling machine: a bolt penetrates through the upper half section of the second telescopic support and a positioning hole of the first telescopic support, is exposed and is fixed by a nut, and the height of the structure of the drill support device is roughly determined;
e, fine adjustment of the structural height of the support device of the drilling machine: the support device structure of the drilling machine is erected vertically, the support is finely adjusted by rotating the adjusting handle, and the height of the electric hand drill is accurately adjusted and kept horizontal by using the fine adjusting device and the leveling air bubbles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079719.8A CN110961693A (en) | 2019-11-07 | 2019-11-07 | Drilling machine support device structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079719.8A CN110961693A (en) | 2019-11-07 | 2019-11-07 | Drilling machine support device structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110961693A true CN110961693A (en) | 2020-04-07 |
Family
ID=70030283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911079719.8A Pending CN110961693A (en) | 2019-11-07 | 2019-11-07 | Drilling machine support device structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110961693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963100A (en) * | 2021-03-23 | 2021-06-15 | 中建三局集团有限公司 | Adjustable and detachable drilling machine support device |
-
2019
- 2019-11-07 CN CN201911079719.8A patent/CN110961693A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963100A (en) * | 2021-03-23 | 2021-06-15 | 中建三局集团有限公司 | Adjustable and detachable drilling machine support device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111877345B (en) | Steel pipe pile positioning device for steel trestle construction in water area and construction method | |
| CN211539589U (en) | Support device structure of drilling machine | |
| CN210918297U (en) | Auxiliary device for positioning embedded bolt | |
| CN107975251B (en) | Assembled building wallboard joint support device | |
| CN101864840B (en) | Construction method for spatial special multi-curved surface netlike shell formed by connecting gusset plates | |
| CN110961693A (en) | Drilling machine support device structure and construction method thereof | |
| CN111232808B (en) | Transverse installation method of prefabricated modular elevator | |
| CN211438753U (en) | Positioning support for welding door and window frame | |
| CN215858944U (en) | Platform structure for steel structure construction operation | |
| CN214815087U (en) | Adjustable drilling tool | |
| CN206364481U (en) | A kind of comprehensive adjustable rotary cable support | |
| CN216081351U (en) | Verticality measuring device suitable for hydraulic creeping formwork | |
| CN102409850A (en) | Construction method for template for building | |
| CN210334462U (en) | Vertical bar planting accurate positioning drilling equipment | |
| CN206305640U (en) | A kind of aid for offshore platform outboard lamp support tube chamber welds with base | |
| CN206128480U (en) | Roof boarding mounting platform | |
| CN206839615U (en) | A kind of boring device of top plate | |
| CN221136427U (en) | Auxiliary tool for bar planting and hole opening of secondary structure top plate | |
| CN219862265U (en) | Self-spiral leveling type wire hanging device of paver | |
| CN210288364U (en) | SMW worker method stake shaped steel positioner | |
| CN220848821U (en) | Building roof truss modularization assembly platform | |
| CN213890693U (en) | Height-adjustable auxiliary drilling support | |
| CN204064326U (en) | Portable rotation instrument trays device | |
| CN204893268U (en) | A combined chuck mould for spatial grid structure location support | |
| CN114150880B (en) | Auxiliary installation device for preventing curtain wall keel from overturning and installation and use method thereof |
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 |