CN113666279B - Wall-attached embedded part of external climbing tower crane - Google Patents
Wall-attached embedded part of external climbing tower crane Download PDFInfo
- Publication number
- CN113666279B CN113666279B CN202110937062.5A CN202110937062A CN113666279B CN 113666279 B CN113666279 B CN 113666279B CN 202110937062 A CN202110937062 A CN 202110937062A CN 113666279 B CN113666279 B CN 113666279B
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- Prior art keywords
- wall
- wall body
- positioning panel
- piece
- hole
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- 230000009194 climbing Effects 0.000 title claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 238000004873 anchoring Methods 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims abstract description 36
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/208—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Abstract
The application discloses an attached wall embedded part of an external climbing tower crane, which comprises the following components: the positioning panel is buried in the outer side surface of the first wall body of the shear wall, one end of the positioning panel corresponds to the position of the second wall body of the shear wall, and the positioning panel is connected with the lug plate; the reinforcing plate is attached to the inner side of the first wall body and corresponds to the other end of the positioning panel; the wall penetrating piece is detachably penetrated in the first wall body and is tied at the other ends of the reinforcing plate and the positioning panel; the anchoring piece is detachably embedded in the first wall body and is detachably connected to one end of the positioning panel, and the other end of the anchoring piece extends into the second wall body; and the anti-pulling piece is arranged at an angle with the anchoring piece, is detachably buried in the second wall body and is detachably connected with the other end of the anchoring piece, and the end part of the anti-pulling piece penetrates through the second wall body. The application solves the problems that most parts of the traditional tower crane wall-attached embedded part cannot be used in a turnover way and a large amount of resources are wasted.
Description
Technical Field
The application relates to the technical field of building construction, in particular to an attached wall embedded part of an external climbing tower crane.
Background
The prior embedded parts of the outer climbing tower crane and the inner climbing tower crane generally consist of ear plates, stiffening ribs, panels, anchor plates and end plates, the embedded parts at the lower parts are idle and useless when the tower crane climbs once, the embedded parts are cut along the panels, the cut parts are mainly the ear plates and the stiffening ribs, and the panels, the anchor plates and the end plates are all left in the shear wall, so that a great amount of steel structural materials are wasted, and great economic loss is caused.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the wall-attached embedded part of the external climbing tower crane is provided, so that the problem that most parts of the traditional tower crane wall-attached embedded part cannot be recycled and a large amount of resources are wasted is solved.
In order to achieve the above-mentioned purpose, provide a wall built-in fitting that attaches of tower crane climbs outward, attach wall built-in fitting is used for the shear force wall, the shear force wall include first wall body and be the angle connect in the inboard second wall body of first wall body, attach wall built-in fitting includes:
the positioning panel is buried in the outer side surface of the first wall body, the position of one end of the positioning panel corresponds to the position of the second wall body, and the outer side of the positioning panel is connected with an ear plate;
the reinforcing plate is attached to the inner side of the first wall body, and the position of the reinforcing plate corresponds to the position of the other end, far away from the second wall body, of the positioning panel;
the wall penetrating piece is detachably penetrated in the first wall body and is tied to the other ends of the reinforcing plate and the positioning panel;
the anchor piece is detachably embedded in the first wall body, one end of the anchor piece is detachably connected with one end of the positioning panel, and the other end of the anchor piece, which is far away from the positioning panel, extends into the second wall body; and
the anti-pulling piece is arranged at an angle with the anchoring piece, is detachably buried in the second wall body and is detachably connected to the other end of the anchoring piece, and the end part of the anti-pulling piece penetrates through the second wall body.
Further, the number of the wall penetrating members is multiple, and the multiple wall penetrating members are arranged along the height direction of the first wall.
Further, the number of the anchoring parts is a plurality of,
further, the outside of anchor assembly and resistance to plucking spare is covered with the barrier film.
Further, the first wall body is embedded with a hole forming sleeve, the hole forming sleeve penetrates through the first wall body, and a through hole for the wall penetrating piece to movably penetrate through is formed in the first wall body after the hole forming sleeve is removed.
Further, an external thread is formed at the other end of the anchoring piece, a first threaded hole is formed in the anti-pulling piece, and the other end of the anchoring piece is screwed into the first threaded hole of the anti-pulling piece.
Further, a second threaded hole is formed in the end face of one end of the anchoring piece, a first through hole aligned with the second threaded hole is formed in the other end of the positioning panel, the first through hole penetrates through a first bolt, and the first bolt is screwed into the second threaded hole.
Further, the wall penetrating piece is a penetrating screw, a second perforation is formed in one end of the positioning panel, a third perforation is formed in the reinforcing plate, two ends of the penetrating screw penetrate through the second perforation and the third perforation respectively, fastening nuts are screwed at two ends of the penetrating screw respectively, the fastening nuts at one end of the penetrating screw are pressed against the outer side of one end of the positioning panel, and the fastening nuts at the other end of the penetrating screw are pressed against the outer side of the reinforcing plate.
The wall-attached embedded part of the external climbing tower crane has the beneficial effects that after the external climbing tower crane climbs, the positioning panel, the wall penetrating part, the anchoring part, the anti-pulling part and the reinforcing plate are detached from the shear wall respectively so as to turn around the shear wall used at the upper part of the core barrel, and the resource utilization rate is improved. Along with the increase of the height of the core tube, the thickness of the wall body of the core tube is gradually reduced, and when the bearing capacity of the first wall body is calculated to be insufficient, the enlarged cross section of the reinforcing plate can be thickened, so that the purpose of reinforcing the first wall body from the outside is achieved, the external reinforcing plate can realize turnover, the reinforcing of the first wall body in a manner of adding reinforcing steel bars in the shear wall can be avoided, and a plurality of cost can be saved in a manner of reinforcing the external reinforcing plate. On the other hand, the anti-pulling piece is arranged in the second wall body of the shear wall, and an anti-pulling effect is provided for the wall-attached embedded piece, so that the whole wall-attached embedded piece can bear larger acting force of the outer climbing tower crane.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of an embedded part attached to a wall of an external climbing tower crane according to a first embodiment of the present application.
Fig. 2 is a schematic structural view of an embedded part attached to a wall of an external climbing tower crane according to a first embodiment of the present application.
FIG. 3 is a schematic structural view of a shear wall according to a first embodiment of the present application.
Fig. 4 is a cross-sectional view of a first end of a positioning panel according to a first embodiment of the application.
Fig. 5 is a cross-sectional view of the second end of the positioning panel of the first embodiment of the application.
Fig. 6 is a schematic structural view of an anchor according to a second embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
First embodiment
The application provides an attached wall embedded part of an external climbing tower crane, which is used for being installed on a core tube shear wall 1. Specifically, referring to fig. 3, the shear wall 1 is a T-shaped wall, and the shear wall 1 includes a first wall 11 and a second wall 12. The first wall has opposite inner and outer sides. The second wall is connected to the inner side of the first wall 11 at an angle.
With continued reference to fig. 1 to 5, the wall-attached embedded part of the external climbing tower crane of the present application includes: the positioning panel 2, the reinforcing plate 3, the wall penetrating piece 4, the anchoring piece 5 and the pulling-resistant piece 6.
Wherein the positioning panel 2 is buried in the outer side surface of the first wall 11. One end of the positioning panel is connected with the anchoring piece, and the other end of the positioning panel is connected with the wall penetrating piece. The position of one end of the positioning panel 2 corresponds to the position of the second wall 12. An ear plate 21 is connected to the outside of the positioning panel 2. The ear plate 21 is used for being connected to an external climbing tower crane.
The reinforcing plate 3 is attached to the inner side of the first wall 11, and the position of the reinforcing plate 3 corresponds to the position of the other end of the positioning panel 2 away from the second wall 12. The other ends of the reinforcing plate and the positioning panel are respectively arranged at the opposite positions of the inner side and the outer side of the first wall body.
The wall penetrating member 4 is detachably penetrating through the first wall 11, and the wall penetrating member 4 is tied to the other ends of the reinforcing plate 3 and the positioning panel 2.
The anchor 5 is detachably buried in the first wall 11. One end of the anchor 5 is detachably connected to one end of the positioning panel 2. The other end of the anchor 5 remote from the locating panel 2 extends into the second wall 12, and the other end of the anchor 5 is disposed at an angle to the pull-out resistance member 6. The pull-out resistant member 6 is detachably buried in the second wall 12, and the pull-out resistant member 6 is detachably connected to the other end of the anchor 5. The end of the pull-out resistance 6 extends through the second wall 12.
After the external climbing tower crane climbs, the positioning panel, the wall penetrating member, the anchoring piece, the pulling-resistant member and the reinforcing plate are detached from the shear wall respectively so as to turn over the shear wall used at the upper part of the core tube. Along with the increase of the height of the core tube, the thickness of the wall body of the core tube is gradually reduced, and when the bearing capacity of the first wall body is calculated to be insufficient, the enlarged cross section of the reinforcing plate can be thickened, so that the purpose of reinforcing the first wall body from the outside is achieved, the external reinforcing plate can realize turnover, the reinforcing of the first wall body in a manner of adding reinforcing steel bars in the shear wall can be avoided, and a plurality of cost can be saved in a manner of reinforcing the external reinforcing plate. On the other hand, the anti-pulling piece is arranged in the second wall body of the shear wall, and an anti-pulling effect is provided for the wall-attached embedded piece, so that the whole wall-attached embedded piece can bear larger acting force of the outer climbing tower crane.
And when the shear wall is poured, embedding a backing plate at the installation position of the positioning panel to leave the installation position of the positioning panel. The shape and the size of the embedded backing plate are matched with those of the positioning panel. As shown in fig. 3, a receiving groove for embedding the positioning panel is formed on the outer side of the first wall, and the receiving groove is formed on the outer side of the first wall after the pre-embedded backing plate is detached after the shear wall is detached from the die.
Referring to fig. 1 and 5, the number of wall penetrating members 4 is plural. The plurality of wall penetrating members 4 are disposed along the height direction of the first wall 11.
Specifically, the wall penetrating member 4 is a pair of penetrating screws. One end of the positioning panel 2 is provided with a second perforation. The reinforcement plate 3 is provided with a third perforation. The two ends of the opposite penetrating screw rod penetrate through the second perforation of the positioning panel and the third perforation of the reinforcing plate respectively and extend to the outer side of the positioning panel and the outer side of the reinforcing plate. Fastening nuts 41 are respectively screwed at two ends of the opposite penetrating screw. The fastening nut 41 at one end of the opposite-penetrating screw is pressed against the outer side of one end of the positioning panel 2, and the fastening nut 41 at the other end of the opposite-penetrating screw is pressed against the outer side of the reinforcing plate 3.
In this embodiment, the head of the threaded rod is pressed against the outer side of one end of the positioning panel, and the fastening nut is screwed on one end of the threaded rod far away from the head and is pressed against the outer side of the reinforcing plate.
When the thickness of the shear wall is thinned, the first wall body is reinforced by adopting the reinforcing plate with thicker thickness so as to improve the bearing capacity of the wall-attached embedded part of the external climbing tower crane.
When the first wall body of the shear wall is poured, the hole-forming sleeve is buried in the first wall body 11. The hole-forming sleeve penetrates the first wall 11. After the hole-forming sleeve is removed, a through hole for the wall-penetrating member 4 to movably penetrate is formed in the first wall 11. The wall penetrating piece is detachably penetrated in the through hole.
As a preferred embodiment, the number of the anchoring members 5 is plural, and the number of the anchoring members is adapted to the number of the wall penetrating members. The wall penetrating members and the anchoring members are arranged on two opposite sides of the ear plate in a one-to-one correspondence mode.
Specifically, in the present embodiment, referring to fig. 4, the end face of one end of the anchor 5 is formed with a second screw hole. The other end of the positioning panel 2 is provided with a first perforation. The first perforation of the positioning panel 2 is aligned with the second threaded hole of the anchor. The first through hole penetrates through the first bolt, and the first bolt is screwed into the second threaded hole of the anchoring piece.
The other end of the anchor 5 is formed with an external thread. The middle part of the anti-pulling piece 6 is provided with a first threaded hole. The other end of the anchor 5 is screwed into a first threaded hole of the pull-out resistance member 6. In this embodiment, the first shear wall is perpendicular to the second shear wall. The anti-pulling member is arranged along the thickness direction of the second shearing force.
The anchor part is the stock, and the head of stock is formed with the second screw hole, and second screw hole and stock coaxial setting. When the first wall body of the shear wall is poured, the head of the long bolt is propped against the embedded backing plate. The outside of the anchoring piece 5 and the pulling-resistant piece 6 is coated with a separation film. The isolating film is a plastic film.
Six holes are respectively formed in the end faces of the two ends of the anchoring piece 5 and the two end faces of the pulling-resistant piece 6, and when the wall-attached embedded piece of the external climbing tower crane is detached, the anchoring piece and the pulling-resistant piece can be screwed out of the shear wall by using a matched spanner, so that turnover can be realized. Because of the wrapping of the isolating film, the anchoring piece and the anti-pulling piece can be unscrewed from the shear wall in a labor-saving manner.
The application discloses a construction method of an embedded part attached to a wall of an external climbing tower crane, which comprises the following steps:
installing an embedded backing plate on the inner side of a template of the first shear wall;
wrapping isolation films (plastic films) outside the anchoring piece and the pulling-resistant piece;
one end of the anchoring piece is propped against the embedded base plate, the anti-pulling piece is detachably connected with the other end of the anchoring piece, and the two ends of the anti-pulling piece are propped against between the two templates of the second wall body;
installing a hole forming sleeve at one end of the embedded backing plate, which is far away from the anchoring piece, so that one end of the hole forming sleeve is propped against the embedded backing plate, and the other end of the hole forming sleeve is propped against another template of the first wall body;
pouring a first wall body and a second wall body to form a shear wall by solidification;
after the shear wall is disassembled, the embedded backing plate and the hole-forming sleeve are disassembled to form a containing groove and a through hole on the first wall;
the wall penetrating piece is penetrated in the through hole, the reinforcing plate is arranged on the inner side of the first wall body, the positioning panel is hoisted into the accommodating groove, one end of the positioning panel is detachably connected with the anchoring piece, the other end of the positioning panel is tied to the reinforcing plate through the wall penetrating piece, the tail end of the screw rod of the wall penetrating piece is screwed with the fastening nut so as to be pressed against the outer side of the reinforcing plate, and one end of the positioning panel is detachably arranged on the anchoring piece through the first bolt;
after the outer climbing tower crane climbs, the positioning panel, the wall penetrating piece, the anchoring piece, the pulling-resistant piece and the reinforcing plate are detached from the shear wall respectively so as to be used for the shear wall at the upper part of the core tube in a turnover mode, wherein when the anchoring piece and the pulling-resistant piece are detached, the anchoring piece is firstly unscrewed from the pulling-resistant piece and the first wall, and then the pulling-resistant piece is unscrewed from the second wall.
Second embodiment
Referring to fig. 6, the application provides an attached wall embedded part of an external climbing tower crane, which comprises a positioning panel 2, a reinforcing plate 3, a wall penetrating part 4, an anchor 5 and a pulling-resistant part 6.
The application provides a wall-attached embedded part of an external climbing tower crane, which is used for being installed on a shear wall of a core tube. Specifically, the shear wall is a T-shaped wall, and comprises a first wall body and a second wall body. The first wall has opposite inner and outer sides. The second wall body is connected to the inner side of the first wall body in an angle mode.
The present embodiment differs from the first embodiment only in that: the shape of the anchor is otherwise the same as that of the first embodiment, and thus will not be described in detail herein.
In this embodiment, the anchoring member is a variable-diameter long bolt, and specifically, the anchoring member includes a variable-diameter section and a straight rod section. The reducing section is provided with a first end and a second end which are opposite, the outer diameter of the reducing section gradually reduces from the first end of the reducing section to the second end of the reducing section, and the outer diameter of the second end of the reducing section is adapted to the outer diameter of the supporting rod section. The support rod section is coaxially connected to the second end of the reducing section.
One end of the reducing section is connected to the positioning panel in the same manner as in the first embodiment. One end of the strut section, which is far away from the reducing section, is connected to the anti-pulling member in the same way as the first embodiment.
The anchor piece is through the setting of reducing section, has strengthened on the one hand and has attached wall built-in fitting bearing capacity, on the other hand, also can dismantle more laborsaving when dismantling the anchor piece, has improved the installation and disassembly efficiency of construction of attaching wall built-in fitting.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (8)
1. The utility model provides a wall built-in fitting that attaches of tower crane climbs outward, its characterized in that attaches wall built-in fitting is used for the shear force wall, the shear force wall include first wall body and be the angle connect in the inboard second wall body of first wall body, it includes to attach wall built-in fitting:
the positioning panel is buried in the outer side surface of the first wall body, the position of one end of the positioning panel corresponds to the position of the second wall body, and the outer side of the positioning panel is connected with an ear plate;
the reinforcing plate is attached to the inner side of the first wall body, and the position of the reinforcing plate corresponds to the position of the other end, far away from the second wall body, of the positioning panel;
the wall penetrating piece is detachably penetrated in the first wall body and is tied to the other ends of the reinforcing plate and the positioning panel;
the anchor piece is detachably embedded in the first wall body, one end of the anchor piece is detachably connected with one end of the positioning panel, and the other end of the anchor piece, which is far away from the positioning panel, extends into the second wall body; and
the anti-pulling piece is arranged at an angle with the anchoring piece, is detachably buried in the second wall body and is detachably connected to the other end of the anchoring piece, and the end part of the anti-pulling piece penetrates through the second wall body.
2. The wall-attached embedded part of the external climbing tower crane according to claim 1, wherein the number of the wall penetrating parts is plural, and the plural wall penetrating parts are arranged along the height direction of the first wall.
3. The wall-attached embedment of an external climbing tower crane according to claim 2, wherein the number of anchors is a plurality.
4. The wall-attached embedment of an external climbing tower crane according to claim 1, wherein the outside of the anchor and the pull-out resistant member is coated with a barrier film.
5. The wall-attached embedded part of the external climbing tower crane according to claim 1, wherein a hole-forming sleeve is embedded in the first wall body, the hole-forming sleeve penetrates through the first wall body, and a through hole through which the wall-penetrating part can movably penetrate is formed in the first wall body after the hole-forming sleeve is removed.
6. The wall-attached embedded part of the external climbing tower crane according to claim 1, wherein the other end of the anchoring piece is provided with an external thread, the anti-pulling part is provided with a first threaded hole, and the other end of the anchoring piece is screwed into the first threaded hole of the anti-pulling part.
7. The wall-attached embedded part of the external climbing tower crane according to claim 6, wherein a second threaded hole is formed in the end face of one end of the anchoring member, a first through hole aligned with the second threaded hole is formed in the other end of the positioning panel, the first through hole penetrates through a first bolt, and the first bolt is screwed into the second threaded hole.
8. The wall-attached embedded part of the external climbing tower crane according to claim 1, wherein the wall penetrating part is a through screw, a second through hole is formed in one end of the positioning panel, a third through hole is formed in the reinforcing plate, two ends of the through screw penetrate through the second through hole and the third through hole respectively, fastening nuts are screwed at two ends of the through screw respectively, the fastening nuts at one end of the through screw are pressed against the outer side of one end of the positioning panel, and the fastening nuts at the other end of the through screw are pressed against the outer side of the reinforcing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937062.5A CN113666279B (en) | 2021-08-16 | 2021-08-16 | Wall-attached embedded part of external climbing tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937062.5A CN113666279B (en) | 2021-08-16 | 2021-08-16 | Wall-attached embedded part of external climbing tower crane |
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| Publication Number | Publication Date |
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| CN113666279A CN113666279A (en) | 2021-11-19 |
| CN113666279B true CN113666279B (en) | 2023-11-21 |
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