CN113860189B - Pin shaft type overturn-free climbing system of internal climbing tower crane - Google Patents
Pin shaft type overturn-free climbing system of internal climbing tower crane Download PDFInfo
- Publication number
- CN113860189B CN113860189B CN202111268646.4A CN202111268646A CN113860189B CN 113860189 B CN113860189 B CN 113860189B CN 202111268646 A CN202111268646 A CN 202111268646A CN 113860189 B CN113860189 B CN 113860189B
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- tongue
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- 230000009194 climbing Effects 0.000 title claims abstract description 115
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000004873 anchoring Methods 0.000 claims description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000007596 consolidation process Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000002219 extraembryonic membrane Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B66C23/28—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 constructed to operate at successively higher levels
-
- 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 invention provides a pin roll type overturn-free internal climbing tower crane climbing system, belongs to the technical field of building construction, and aims to solve the problem that a wall body bears a large additional bending moment due to consolidation of a laying end of a tower crane and the like. The climbing beam comprises a laying bracket and a laying steel tongue assembly, wherein the laying bracket is fixed in an embedded area of a wall body, the laying steel tongue assembly comprises a laying steel tongue and a pin shaft lug plate, the pin shaft lug plate is fixedly connected with the end part of the climbing beam, the laying steel tongue is connected with the pin shaft lug plate through a pin shaft, and the laying steel tongue is in laying connection with the laying bracket; the steel placing tongue is designed to be eccentric, so that the steel placing tongue can rotate under the action of external force, and returns to the original shape under the action of gravity when the external force is removed, and contacts with the bracket on the wall body when the steel placing tongue is lifted, so that the steel placing tongue rotates to make a space for the climbing beam to pass through. The lifting steel beam overturning device solves the overturning problem of lifting the steel beam in climbing of the inner climbing tower crane, reduces construction difficulty and improves safety and reliability.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a pin roll type overturn-free climbing tower crane climbing system.
Background
At present, climbing of a heavy tower crane (such as a movable arm tower crane and the like) in civil engineering is generally realized by turning over a climbing beam, specifically, a bottom climbing beam of the tower crane is removed after the tower crane is climbed and turned over to the topmost part for next climbing. Secondly, the support tower crane climbing beam is generally realized through a concrete back plate manufacturing piece, the back plate manufacturing piece adopts a rectangular steel plate and is welded with anchor-pulling steel bars, the back plate manufacturing piece is embedded into concrete members such as walls or structural beams before concrete pouring, and brackets are welded on the steel plate when the back plate climbing beam is used. The conventional method has the following defects:
1. the construction difficulty is big, and the security risk is high. Because the climbing beam of the tower crane is manually disassembled, a temporary disassembly platform is required to be erected at high altitude, a large number of welding is required, the operation difficulty is high, and the quality control difficulty is high.
2. The climbing beam of the tower crane and the embedded part adopt a consolidation mode, and the bending moment at the end part of the climbing beam is directly transmitted to the wall body, so that the increase of the bending load of the wall body is easy to cause insufficient bearing capacity storage of the wall body.
Therefore, how to provide a turnover pin type inside-climbing tower crane climbing system is a technical problem which needs to be solved by the technicians in the field.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgment or any form of suggestion that this information is prior art that is well known to those of ordinary skill in the art.
Disclosure of Invention
The invention mainly aims to provide a pin roll type overturn-free internal climbing tower crane climbing system, which is mainly characterized in that pin roll type connection is adopted at the end part of a climbing beam, and the connection between a wall body and the climbing beam is changed from fixedly connection to hinging, so that the additional bending moment at the end part of the tower crane is filtered, and the problems that the climbing beam of the internal climbing tower crane is overturn-free and the bending moment at the end part of the climbing beam is reduced are solved.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a pin-roll type flip-free inside climbing tower crane climbing system, comprising:
the inner side of the laying bracket is embedded in an embedded area of the concrete wall and is fixed through an anchoring member, two vertical limiting plates are arranged at intervals and in parallel on the outer side of a backboard of the laying bracket, a laying plate is arranged between the two vertical limiting plates, and a horizontal limiting plate is arranged at the joint of the laying plate and the backboard;
the steel tongue placing assembly comprises a steel tongue placing plate and a pin shaft lug plate, the pin shaft lug plate is fixedly connected with the end part of the climbing beam, the right-angle end of the steel tongue placing plate is matched with the area enclosed by the steel tongue placing plate and the vertical limiting plate, and the inclined surface end of the steel tongue placing plate is embedded into the pin shaft lug plate and is fixedly connected with the pin shaft lug plate through a pin shaft;
the anchoring member comprises a conical sleeve, a fastening bolt and an anchoring reinforcing steel bar, wherein one end of the smaller section of the conical sleeve is positioned at the inner side of the backboard, and one end of the larger section of the conical sleeve is clamped into a hole of the backboard and is fixed through a steel gasket and the fastening bolt at the outer side of the hole; the conical sleeve is provided with internal threads which are equally divided on two sides and are arranged in a positive and negative wire mode, and one end of the anchoring steel bar is inserted into the conical sleeve to form threaded connection.
Further, a stiffening plate is arranged at the joint of the end part of the climbing beam steel structure and the pin shaft lug plate.
Further, the holes are diameter holes of 25 mm.
Further, stiffening ribs are arranged between the rest plate and the back plate, and three stiffening ribs are arranged at intervals.
The invention also provides a use method of the pin roll type overturn-free internal climbing tower crane climbing system, which comprises the following steps:
s1, when a tower crane climbs, a climbing beam lifts a first climbing beam by means of a winch arranged at the top of a standard section;
s2, when the climbing beam is lifted to the position of the bracket, the overhanging steel rest tongue is contacted with the climbing beam;
s3, continuously lifting the climbing beam, wherein the bottom of the bracket props against the steel placing tongue, and the steel placing tongue rotates to rotate, so that a space is reserved for continuously lifting the climbing beam;
s4, continuously lifting the climbing beam, and rotating the rest steel tongue to the maximum;
s5, after the climbing beam is continuously lifted to pass over the rest bracket, the rest steel tongue is reset under the action of gravity;
s6, returning the climbing beam, placing the climbing beam on a placing steel tongue, and fixing the climbing beam and a placing bracket to finish lifting of the first climbing beam;
s7, sequentially completing the lifting pin shaft type inner climbing tower crane climbing system free-turning inner climbing tower crane climbing system of the lifting pin shaft type inner climbing tower crane climbing system free-turning inner climbing tower crane climbing system of the second climbing beam and the third climbing beam.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention provides a pin roll type overturn-free internal climbing tower crane climbing system which mainly comprises a shelving bracket and a shelving steel tongue assembly, wherein the inner side of the shelving bracket is embedded in a pre-embedded area of a concrete wall and is fixed through an anchoring member, two vertical limiting plates are arranged on the outer side of the shelving bracket and are connected through the shelving plates, and a horizontal limiting plate is arranged at the joint of the shelving plate and a back plate; the steel tongue placing assembly comprises a steel tongue placing and a pin shaft lug plate, the pin shaft lug plate is fixedly connected with the end part of the climbing beam, and the inclined surface end of the steel tongue placing is embedded into the pin shaft lug plate and is fixedly connected with the pin shaft lug plate through a pin shaft; the anchoring member comprises a conical sleeve, a fastening bolt and an anchoring reinforcing steel bar, one end of the smaller section of the conical sleeve is positioned at the inner side of the backboard, and one end of the larger section of the conical sleeve is clamped into a hole of the backboard and is fixed through a steel gasket and the fastening bolt at the outer side of the hole; the conical sleeve is provided with internal threads which are equally divided on two sides and are arranged in a positive and negative wire mode, and one end of the anchoring steel bar is inserted into the conical sleeve to form threaded connection. The pin roll type overturn-free internal climbing tower crane climbing system solves the problem that a wall body bears a large additional bending moment due to consolidation of a laying end of the tower crane and the like, solves the problem of overturning a lifting steel beam in climbing of the internal climbing tower crane, reduces construction difficulty and improves safety and reliability; the structure is simple, the applicability is high, and the cost is low.
Drawings
FIG. 1 is a schematic diagram illustrating installation of a pin-type overturn-free climbing tower crane climbing system in accordance with one embodiment of the present invention;
FIG. 2 is a schematic view of a concrete wall in a pin-type overturn-free climbing tower crane climbing system according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a resting bracket in a pin-type turn-free internal climbing tower crane climbing system in accordance with another embodiment of the present invention;
FIG. 4 is a schematic view of a connection between a climbing beam and a rest steel tongue assembly in a pinned-type inside-climbing tower crane climbing system according to an embodiment of the present invention.
In the figure:
01-concrete wall, 0101-embedded region, 0102-main structure region; 02-bracket, 020-bracket steel member, 021-anchoring steel bar, 022-conical sleeve, 023-steel gasket, 024-fastening bolt, 025-backboard, 026-vertical limit plate, 027-horizontal limit plate, 028-bracket plate and 029-stiffening rib; 03-climbing beam, 031-climbing beam steel structure, 032-stiffening plate, 033-pin shaft ear plate, 034-rest steel tongue and 035-pin shaft.
Detailed Description
The pin roll type overturn-free climbing tower crane climbing system provided by the invention is further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention. For convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this should not be construed as a limitation of the technical scheme of the present invention.
Example 1
The structural components of the pin-type overturn-free climbing tower crane climbing system of the invention are described in detail below with reference to fig. 1 to 4.
Referring to fig. 1 to 4, a pin-type climbing system of a turnover-free climbing tower crane comprises a bracket 02 and a steel tongue assembly, wherein the inner side of the bracket 02 is embedded in an embedded region 0101 of a concrete wall 01 and is fixed through an anchoring member, two vertical limiting plates 026 are arranged at intervals and in parallel on the outer side of a back plate 025 of the bracket 02, a rest plate 028 is arranged between the two vertical limiting plates 026, and a horizontal limiting plate 027 is arranged at the joint of the rest plate 028 and the back plate 025. The concrete wall 01 comprises a pre-buried region 0101 and a main body structure region 0102.
The steel tongue assembly comprises a steel tongue 034 and a pin shaft lug plate 033, the pin shaft lug plate 033 is fixedly connected with the end part of the climbing beam 03, the right-angle end of the steel tongue 034 is matched with the enclosed area of the steel tongue 038 and the vertical limiting plate 026, and the inclined surface end of the steel tongue 034 is embedded into the pin shaft lug plate 033 and is fixedly connected with the pin shaft lug plate 033 through a pin shaft 035.
The anchoring member comprises a conical sleeve 022, a fastening bolt 024 and an anchoring steel bar 021, one end of the smaller section of the conical sleeve 022 is positioned at the inner side of the back plate 025, and one end of the larger section of the conical sleeve 022 is clamped into a hole of the back plate 025 and is fixed through a steel gasket 023 and the fastening bolt 024 at the outer side of the hole; the tapered sleeve 022 is provided with internal threads which are equally divided on two sides and are arranged in a positive and negative thread mode, and one end of the anchoring steel bar 021 is inserted into the tapered sleeve 022 to form threaded connection.
In this embodiment, more preferably, the end of the climbing beam 03 is connected by a pin, so that the connection between the concrete wall 01 and the climbing beam 03 is changed from fixedly connection to hinging, thereby filtering the additional bending moment of the end of the tower crane and reducing the bending-resistant bearing requirement of the wall.
In this embodiment, more preferably, the rest steel tongue 034 is connected with the concrete wall 01 in a rest manner, and the rest steel tongue 034 is connected with the pin ear plate 033 at the end of the back plate 025 climbing beam 03 through the pin 035 in a pin manner. The rest steel tongue 034 is triangular in shape as a whole, wherein the top is a horizontal rest area, and the bearing end of the back plate 025 is rested on the rest bracket 02. The steel placing tongue 034 is movable and can freely rotate in a limited angle, and in order to realize the free resetting of the steel placing tongue 034, the steel placing tongue 034 is designed to be eccentric, so that the steel placing tongue 034 can rotate under the action of external force, and when the external force is withdrawn, the steel placing tongue 034 is restored to the original state under the action of gravity, thereby providing a foundation for the climbing beam to avoid turning. When the steel placing tongue 034 is lifted, the steel placing tongue 034 contacts with the bracket 02 on the concrete wall 01, and therefore the steel placing tongue 034 rotates, and a space is reserved for the climbing beam 03 to pass through.
In this embodiment, more preferably, stiffening ribs 029 are further disposed between the rest plate 028 and the back plate 025, and three stiffening ribs 029 are disposed at intervals.
In this embodiment, more preferably, a stiffening plate 032 is arranged at the connection between the end of the climbing beam steel structure 031 of the climbing beam 03 and the pin ear plate 033.
With continued reference to fig. 1 to 4, the invention further provides a method for using the pin roll type overturn-free climbing tower crane climbing system, which comprises the following steps:
s1, when a tower crane climbs, a climbing beam 03 lifts a first climbing beam 03 by means of a winch arranged at the top of a standard section;
step S2, when the climbing beam 03 is lifted to the position of the rest bracket 02, the stretched rest steel tongue 034 is contacted with the climbing beam;
step S3, continuously lifting the climbing beam 03, wherein the bottom of the rest bracket 02 is propped against the rest steel tongue 034, and the rest steel tongue 034 rotates to make room for the climbing beam 03 to continuously lift;
s4, continuously lifting the climbing beam 03, and rotating the rest steel tongue 034 to the maximum;
step S5, after the climbing beam 03 continues to lift over the rest bracket 02, the rest steel tongue 034 resets under the action of gravity;
s6, returning the climbing beam 03, placing the climbing beam 03 on a placing steel tongue 034, and fixing the climbing beam 03 and a placing bracket 02 to finish the lifting of the first climbing beam 03;
and S7, lifting the second climbing beam 03 and the third climbing beam 03 sequentially.
With continued reference to fig. 1 to 4, the present embodiment further provides an installation method of a pin roll type overturn-free climbing tower crane climbing system, which includes the following steps:
step (1), manufacturing a backboard 025: the three-layer woodworking templates are combined together by nails according to the size of the backboard, the thickness is about 50mm, holes with the same size are formed in the positions where the backboard of the bracket is placed, the template is manufactured into a fetal membrane, after the outer side template of the concrete wall body 01 is closed, the fetal membrane and the outer side template are fixed through the nails in the placing position of the bracket, meanwhile, holes (holes with the diameter of 25 mm) are formed in the corresponding positions of the outer side template, one side of a conical sleeve 022 is inserted into an anchor bar 021 and penetrates through the fetal membrane, the other side of the template is fixed through a fastening bolt 024, concrete is poured, the template is removed, and the backboard 025 is formed after maintenance is completed;
step (2), mounting and placing bracket 02: lifting a bracket 02 to a designed position by utilizing a construction integral lifting formwork or other scaffold facilities, embedding a back plate 025 into a pre-embedded region 0101 of a concrete wall 01, clamping one end of a larger section of a conical sleeve 022 into a hole of the back plate 025, installing a steel gasket 023 outside the hole, and screwing a fastening bolt 024 into the hole;
step (3), installing a steel tongue assembly: assembling the steel placing tongue assembly according to the installation requirement, and checking whether the steel placing tongue 034 can freely rotate;
and (4) removing the fastening bolt 024, taking down the rest bracket 02, screwing the fastening bolt 024, screwing a nut on the fastening bolt 024, screwing the nut to be tightly connected with the conical sleeve 022, unscrewing the fastening bolt 024 again, and taking out the conical sleeve 022.
The above description is only illustrative of the preferred embodiments of the invention and is not intended to limit the scope of the invention in any way. Any alterations and modifications made by those having ordinary skill in the art in light of the foregoing disclosure are intended to be within the scope of the following claims.
Claims (4)
1. The utility model provides a round pin axle formula is exempted from to turn over interior climbing tower crane climbing system which characterized in that includes:
the inner side of the laying bracket is embedded in an embedded area of the concrete wall and is fixed through an anchoring member, two vertical limiting plates are arranged at intervals and in parallel on the outer side of a backboard of the laying bracket, a laying plate is arranged between the two vertical limiting plates, and a horizontal limiting plate is arranged at the joint of the laying plate and the backboard; the steel tongue placing assembly comprises a steel tongue placing plate and a pin shaft lug plate, the pin shaft lug plate is fixedly connected with the end part of the climbing beam, the right-angle end of the steel tongue placing plate is matched with the area enclosed by the steel tongue placing plate and the vertical limiting plate, and the inclined surface end of the steel tongue placing plate is embedded into the pin shaft lug plate and is fixedly connected with the pin shaft lug plate through a pin shaft;
the anchoring member comprises a conical sleeve, a fastening bolt and an anchoring reinforcing steel bar, wherein one end of the smaller section of the conical sleeve is positioned at the inner side of the backboard, and one end of the larger section of the conical sleeve is clamped into a hole of the backboard and is fixed through a steel gasket and the fastening bolt at the outer side of the hole; the conical sleeve is provided with internal threads which are equally divided on two sides and are arranged in a positive and negative wire mode, and one end of the anchoring steel bar is inserted into the conical sleeve to form threaded connection.
2. The pin roll type overturn-free climbing tower crane climbing system according to claim 1, wherein a stiffening plate is arranged at the joint of the end part of the climbing beam steel structure and the pin roll lug plate.
3. The pin-type overturn-free climbing tower crane climbing system according to claim 1, wherein the hole is a diameter hole of 25 mm.
4. The pin roll type inside climbing tower crane climbing system according to claim 1, wherein stiffening ribs are further arranged between the rest plate and the back plate, three stiffening ribs are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268646.4A CN113860189B (en) | 2021-10-29 | 2021-10-29 | Pin shaft type overturn-free climbing system of internal climbing tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268646.4A CN113860189B (en) | 2021-10-29 | 2021-10-29 | Pin shaft type overturn-free climbing system of internal climbing tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN113860189A CN113860189A (en) | 2021-12-31 |
| CN113860189B true CN113860189B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111268646.4A Active CN113860189B (en) | 2021-10-29 | 2021-10-29 | Pin shaft type overturn-free climbing system of internal climbing tower crane |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233961A (en) * | 2022-06-13 | 2022-10-25 | 上海建工一建集团有限公司 | Construction safety protection platform structure and method for air deformation of core barrel |
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| IL238098A (en) * | 2015-04-01 | 2016-04-21 | Sky Line Cranes & Technologies Ltd | Modular, adaptable and foldable apparatus for a climbing crane |
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| CN113860189A (en) | 2021-12-31 |
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