CN113860190B - Cantilever crane turnover-free beam rest bracket and installation method - Google Patents
Cantilever crane turnover-free beam rest bracket and installation method Download PDFInfo
- Publication number
- CN113860190B CN113860190B CN202111268647.9A CN202111268647A CN113860190B CN 113860190 B CN113860190 B CN 113860190B CN 202111268647 A CN202111268647 A CN 202111268647A CN 113860190 B CN113860190 B CN 113860190B
- Authority
- CN
- China
- Prior art keywords
- steel
- tongue
- placing
- hole
- pin shaft
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 230000007306 turnover Effects 0.000 claims abstract description 8
- 238000004873 anchoring Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 39
- 230000009194 climbing Effects 0.000 description 6
- 239000003351 stiffener Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000284 resting effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 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
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 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
- 230000002787 reinforcement Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a cantilever crane overturning-free beam rest bracket and an installation method, belongs to the technical field of building construction, and aims to solve the problems of overturning of a cantilever crane lifting beam and recycling and turnover of a rest bracket embedded part. The concrete wall comprises a back plate and a placing steel tongue, wherein the back plate is embedded into an embedded area of the concrete wall body, horizontal and vertical stiffening ribs are fixed on the outer side of the back plate, the back plate is connected with an anchor bar by using a conical sleeve, the anchor bar is in threaded connection with the conical sleeve, a pin shaft respectively penetrates through a through hole in a triangular section of the placing steel tongue and a pin shaft hole of the vertical stiffening rib to be fixed, three sides of the triangular placing steel tongue are a horizontal placing surface, a vertical surface and an inclined surface in sequence, and an arc-shaped bearing steel rib is arranged at the joint of the vertical surface and the horizontal placing surface. When the tower crane is lifted, the end part of the lifting beam props against the triangular steel placing tongue to drive the triangular steel placing tongue to rotate, a space for lifting the lifting beam is provided until the lifting beam passes over the steel placing tongue, and after the steel placing tongue is eccentrically reset under the dead weight condition, the lifting beam falls down and is placed on the steel placing tongue.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a cantilever crane girder-turning-free bracket and a mounting method.
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 lifting beam, specifically, the lifting beam at the bottom 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. waste of materials: because the tower crane is temporarily used for construction, after the tower crane is dismantled, the embedded part can only be placed in the concrete and can not be dismantled, so that the waste of metal materials is caused; 2. 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 works are required, the operation difficulty is high, and the quality control difficulty is high.
In recent years, two technologies for lifting a beam-turning-free tower crane are generated:
firstly, through arranging rotatable steel tongues on lifting beams, but adopting the form, each lifting beam needs to be provided with two sets of bracket, lifting operation is complex, multiple transition lifting is needed, and operation is complex.
Secondly, the bracket embedded part is arranged on the turnover lifting beam, the embedded part is generally in a form of fixing an embedded plate through a wall penetrating bolt, and the shear is borne by the bolt in the area close to the outer side of the wall, so that the wall penetrating bolt is excessively deformed and cannot be smoothly taken out after the embedded part is stressed, the bearing capacity is low, and the reliability and the safety are not very high. Therefore, how to provide a turnover movable arm tower crane lifting beam overturning-free bracket and an installation method is a technical problem to be solved by those skilled in the art.
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 cantilever crane turnover-free beam laying bracket and an installation method, wherein a detachable turnover-free beam laying bracket embedded part is designed to solve the recycling and turnover problem of a turnover laying bracket embedded part of a cantilever crane lifting beam.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a swing arm tower crane turn-free beam rest bracket comprising:
the inner side of the backboard is embedded in an embedded area of the concrete wall and is fixed through an anchoring member, the outer side of the backboard is flush with the wall surface of the concrete wall, two vertical stiffening ribs are arranged at intervals and in parallel on the outer side of the backboard, two horizontal stiffening ribs are arranged at intervals and in parallel on one outward side of the vertical stiffening ribs and an area enclosed by the backboard, a pin shaft is arranged in the middle of a groined area enclosed by the horizontal stiffening ribs and the vertical stiffening ribs, and two ends of the pin shaft are fixedly connected through pin shaft holes of the two vertical stiffening ribs respectively;
the steel placing tongue is arranged on the vertical stiffening rib through the pin shaft, through holes matched with the pin shaft are formed in the steel placing tongue along the length direction of the pin shaft, two ends of each through hole are respectively positioned on a triangular section of the steel placing tongue, the upper end of each through hole is a horizontal placing surface, one side, close to the backboard, of each through hole is a vertical surface, one side, far away from the backboard, of each through hole is an inclined surface, and an arc-shaped bearing steel rib is arranged at the joint of the vertical surface and the horizontal placing surface;
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, in order to improve the stress stability around the pin shaft hole, the pin shaft stiffening ribs are arranged on the outer sides of the pin shaft holes of the vertical stiffening ribs.
Further, in order to enhance the stress stability around the through hole, the outer side of the through hole for placing the steel tongue is provided with a pin shaft reinforcing rib.
The invention also provides a mounting method of the cantilever crane turnover-free beam rest bracket, which comprises the following steps:
step S1, manufacturing a backboard: manufacturing a tire membrane, after a concrete wall body outer side template is closed, fixing the tire membrane and the outer side template by nails at a bracket placing position, simultaneously forming holes at corresponding positions of the outer side template, inserting an anchoring reinforcing steel bar at one side of a conical sleeve and penetrating the tire membrane, fixing the other side template by using a fastening bolt at the other side of the template, pouring concrete and removing the template;
step S2, installing bracket brackets: hoisting the bracket to a designed position, embedding the backboard into the concrete wall, clamping one end of the larger section of the conical sleeve into a hole of the backboard, installing a steel gasket outside the hole, and screwing the fastening bolt into the hole;
step S3, installing a rest steel tongue: and hoisting the steel placing tongue to a designated position, aligning the pin shaft holes, inserting the pin shaft into the pin shaft holes at two ends and the through holes of the steel placing tongue, and fixing to finish the installation of the steel placing tongue.
And S4, removing the fastening bolt, taking down the rest bracket, screwing a nut on the fastening bolt, screwing the nut to tightly connect the fastening bolt with the conical sleeve, unscrewing the fastening bolt again, and taking out the conical sleeve.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention provides a movable arm tower crane turning-free beam shelving bracket which mainly comprises a back plate and a shelving steel tongue, wherein the inner side of the back plate is embedded into an embedded area of a concrete wall, the outer side of the back plate is flush with a wall surface, a horizontal stiffening rib and a vertical stiffening rib are fixedly arranged on the outer side of the back plate, the back plate and an anchoring steel bar are connected by using a conical sleeve, one end of a larger section of the conical sleeve is clamped into a hole of the back plate and is fixed by a steel gasket and a fastening bolt on the outer side of the hole, one end of a smaller section of the conical sleeve is positioned on the inner side of the back plate, the anchoring steel bar is in threaded connection with an internal thread of the conical sleeve, a triangular section of the shelving steel tongue is provided with a through hole, a pin shaft is respectively fixed through the through hole for shelving the steel tongue and a pin shaft hole of the vertical stiffening rib, the upper end of the through hole is a horizontal shelving surface, one side of the through hole, the through hole far from the back plate is an inclined surface, and an arc bearing steel rib is arranged at the joint of the vertical surface and the horizontal shelving surface. When the movable arm tower crane is lifted, the end closure plate of the lifting beam props against the triangular steel placing tongue to drive the triangular steel placing tongue to rotate, the inclined plane of the steel placing tongue is vertically parallel to the end closure plate of the lifting beam, a space for lifting the lifting beam is provided until the lifting beam passes over the steel placing tongue, and after the steel placing tongue is eccentrically reset under the dead weight condition, the lifting beam falls down and is placed on the steel placing tongue. According to the cantilever crane turnover-free beam rest bracket and the mounting method, the problems of turnover of the cantilever crane lifting beam, turnover of the rest bracket and corresponding embedded parts are solved, economic benefits are improved, and resources are saved; the problem of overturning the lifting steel beam in climbing of the heavy tower crane is solved, the construction difficulty is reduced, and the construction safety and reliability are improved; temporary shelving transition of the lifting beam is avoided, the number of shelving brackets is reduced, and lifting operation of the lifting beam is simplified.
Drawings
FIG. 1 is a schematic diagram illustrating the installation of a swing arm tower crane non-turning beam rest bracket according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a tower crane lifting beam in a boom tower crane turn-free beam rest bracket according to an embodiment of the invention;
FIG. 3 is a schematic view of a concrete wall in a bracket of a swing arm tower crane without turning over a girder in another embodiment of the invention;
FIG. 4 is a schematic diagram of a boom tower crane in an embodiment of the invention with a bracket placed without turning over;
FIG. 5 is a schematic view of a structure of a steel tongue placed in a cantilever crane non-turning beam placing bracket according to an embodiment of the present invention;
fig. 6 to 8 are schematic diagrams of steps S1 to S3 in the installation method of the swing arm tower crane turning-free beam rest bracket according to an embodiment of the invention;
fig. 9 to 12 are schematic diagrams of steps (2) to (5) in a method for using a swing arm tower crane turnover-free bracket according to another embodiment of the present invention.
In the figure:
01-lifting beam; 02-a concrete wall; 03-resting bracket; 101-a bottom rest pad; 102-end closure plates; 103-middle ribbed plates; 104-a standard knot fixing connecting plate; 201-wall surface; 202-embedding areas; 301-anchoring the reinforcing steel bars; 302-a conical sleeve; 303-steel gasket; 304-fastening bolts; 305-a back plate; 306-vertical stiffeners; 307-horizontal stiffeners; 308-pin shaft; 309-pin stiffeners; 310-resting the steel tongue; 3101-horizontal resting surface; 3102-load-bearing steel ribs; 3103-pin stiffener; 3104-vertical plane.
Detailed Description
The movable arm tower crane turning-free beam rest bracket and the installation method provided by the invention are 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 following describes in detail the structural components of the swing arm tower crane turning-free beam rest bracket according to the present invention with reference to fig. 1 to 12.
Referring to fig. 1 to 12, a cantilever crane beam-turning-free bracket comprises a back plate 305 and a steel bolt 310, wherein the inner side of the back plate 305 is embedded into a pre-embedded region 202 of a concrete wall 02, the outer side of the back plate 305 is flush with a wall surface 201, a horizontal stiffening rib 307 and a vertical stiffening rib 306 are fixedly arranged on the outer side of the back plate 305, a conical sleeve 302 is used for connecting the back plate 305 and an anchor bar 301, one end of a larger section of the conical sleeve 302 is clamped into a hole of the back plate 305 and is fixed through a steel gasket 303 and a fastening bolt 304 on the outer side of the hole, one end of a smaller section of the conical sleeve 302 is positioned on the inner side of the back plate 305, the anchor bar 301 is in threaded connection with an internal thread of the conical sleeve 302, a through hole is formed in the triangular section of the steel bolt 310, a pin shaft 308 penetrates through the through hole of the steel bolt 310 and is fixed through a pin shaft hole of the vertical stiffening rib 306, the upper end of the through hole is a horizontal shelving surface 3101, one side of the through hole close to the back plate 305 is a vertical surface 4, one side of the through hole is an inclined surface far away from the back plate 305, and an arc bearing steel rib 3102 is arranged at the joint of the vertical surface 3104 and the horizontal shelving surface 3101.
When the movable arm tower crane is lifted, the end closure plate 102 of the lifting beam 01 props against the triangular holding steel tongue 310 to drive the triangular holding steel tongue 310 to rotate, and after the holding steel tongue 310 rotates, the inclined plane of the holding steel tongue 310 is vertically parallel to the end closure plate 102 of the lifting beam 01, a lifting space is provided for the lifting beam 01 until the lifting beam passes over the holding steel tongue 310, and after the holding steel tongue 310 is eccentrically reset under the dead weight condition, the lifting beam 01 falls down and is held on the holding steel tongue 310.
Specifically speaking, the inner side of the backboard 305 is embedded in the embedded region 202 of the concrete wall and is fixed through an anchoring member, the outer side of the backboard 305 is flush with the wall 201 of the concrete wall, two vertical stiffening ribs 306 are arranged at intervals and in parallel on the outer side of the backboard 305, two horizontal stiffening ribs 307 are arranged at intervals and in parallel on the outward side of the two vertical stiffening ribs 306 and the surrounding region of the backboard 305, a pin shaft 308 is arranged in the middle of a groined region formed by surrounding the horizontal stiffening ribs 307 and the vertical stiffening ribs 306, and two ends of the pin shaft 308 are fixedly connected through pin shaft holes of the two vertical stiffening ribs 306 respectively.
Specifically, the anchoring member comprises a conical sleeve 302, a fastening bolt 304 and an anchoring steel bar 301, wherein one end of the smaller section of the conical sleeve 302 is positioned on the inner side of the back plate 305, and one end of the larger section of the conical sleeve 302 is clamped into a hole of the back plate 305 and is fixed by a steel gasket 303 and the fastening bolt 304 on the outer side of the hole; the tapered sleeve 302 is provided with internal threads which are equally divided on two sides and are arranged in a positive and negative wire manner, and one end of the anchor steel bar 301 is inserted into the tapered sleeve 302 to form threaded connection.
More preferably, in this embodiment, in order to improve the stress stability around the pin hole, the pin stiffener 309 is disposed outside the pin hole of the vertical stiffener 306.
In this embodiment, more preferably, in order to enhance the stress stability around the through hole, the pin reinforcement 3103 is provided on the outer side of the through hole of the rest tongue 310.
With continued reference to fig. 1 to 12, the present embodiment further provides a method for installing a cantilever crane turning-free beam rest bracket, where the aforementioned cantilever crane turning-free beam rest bracket is used, the method includes:
step S1, manufacturing a backboard: manufacturing a tire membrane, after an outer side template of a concrete wall 02 is closed, fixing the tire membrane and the outer side template by nails at a bracket placing position, simultaneously forming holes at corresponding positions of the outer side template, inserting an anchoring reinforcing steel bar 301 at one side of a conical sleeve 302 and penetrating the tire membrane, fixing the other side template after the other side of the template is fixed by using a fastening bolt 304, pouring concrete, removing the template, and forming a backboard 305 after curing is completed;
step S2, installing a bracket for placing brackets: hoisting the bracket to be placed to a designed position, embedding the back plate 305 into the concrete wall 02, clamping one end of the larger section of the conical sleeve 302 into a hole of the back plate 305, installing a steel gasket 303 outside the hole, and screwing in and screwing up a fastening bolt 304;
step S3, installing a rest steel tongue 310: and hoisting the steel placing tongue 310 to a specified position, aligning the pin shaft holes, inserting the pin shafts 308 into the pin shaft holes at two ends and the through holes of the steel placing tongue 310, and fixing to finish the installation of the steel placing tongue 310.
In this embodiment, more preferably, the method further includes the step S4 of removing the fastening bolt 304, removing the rest bracket 03, screwing a nut on the fastening bolt 304, screwing the nut to tightly connect with the tapered sleeve 302, unscrewing the fastening bolt 304 again, and taking out the tapered sleeve 302.
Example two
With continued reference to fig. 1 to 12, the present embodiment further provides a method for using the swing arm tower crane to rest the bracket without turning over the beam, which includes the following steps:
step (1), when the tower crane climbs, lifting the first lifting beam 01 by a winch arranged at the top of the standard section;
step (2), when the lifting beam 01 is lifted to the position where the bracket 03 is placed, the lifting beam is contacted with the steel placing tongue 310 of the bracket 03;
step (3), continuously lifting the lifting beam 01, wherein the lifting beam 01 pushes the steel placing tongue 310 to rotate at the moment, so that a space is reserved for continuously lifting the lifting beam 01;
step (4), after the lifting beam 01 is lifted continuously to pass over the steel placing tongue 310, the steel placing tongue 310 is reset under the action of gravity;
step (5), replaying the lifting beam 01, placing the lifting beam 01 on the placing steel tongue 310, and fixing the lifting beam 01 and the placing bracket 03 to finish the lifting of the first lifting beam 01;
and (6) sequentially completing the lifting of the second lifting beam 01 and the third lifting beam 01.
In particular, the end part of the lifting beam 01 is provided with an end closure plate, the lower end of the end part is also provided with a convex bottom laying base plate 101, and the middle part of the lifting beam 01 is provided with a middle reinforced rib plate and a standard knot fixing connecting plate 104. The steel resting tongue 310 is pushed to rotate by the bottom resting pad 101, or the action of the lifting beam 01 resting on the steel resting tongue 310 is completed.
Method of installation 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 (5)
1. The utility model provides a swing arm tower crane exempts from to turn over roof beam and shelve bracket which characterized in that includes:
the inner side of the backboard is embedded in an embedded area of the concrete wall and is fixed through an anchoring member, the outer side of the backboard is flush with the wall surface of the concrete wall, two vertical stiffening ribs are arranged at intervals and in parallel on the outer side of the backboard, two horizontal stiffening ribs are arranged at intervals and in parallel on one outward side of the vertical stiffening ribs and an area enclosed by the backboard, a pin shaft is arranged in the middle of a groined area enclosed by the horizontal stiffening ribs and the vertical stiffening ribs, and two ends of the pin shaft are fixedly connected through pin shaft holes of the two vertical stiffening ribs respectively;
the steel placing tongue is arranged on the vertical stiffening rib through the pin shaft, through holes matched with the pin shaft are formed in the steel placing tongue along the length direction of the pin shaft, two ends of each through hole are respectively positioned on a triangular section of the steel placing tongue, the upper end of each through hole is a horizontal placing surface, one side, close to the backboard, of each through hole is a vertical surface, one side, far away from the backboard, of each through hole is an inclined surface, and an arc-shaped bearing steel rib is arranged at the joint of the vertical surface and the horizontal placing surface;
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 swing arm tower crane turnover-free beam rest bracket according to claim 1, wherein a pin stiffening rib is arranged outside a pin hole of the vertical stiffening rib.
3. The cantilever crane turnover-free beam rest bracket according to claim 1, wherein a pin shaft reinforcing rib is arranged on the outer side of the rest steel tongue through hole.
4. A method of installing a swing arm tower crane turn-free beam rest bracket, characterized in that a swing arm tower crane turn-free beam rest bracket as defined in any one of claims 1 to 3 is utilized, the method comprising:
step S1, manufacturing a backboard: manufacturing a tire membrane, after a concrete wall body outer side template is closed, fixing the tire membrane and the outer side template by nails at a bracket placing position, simultaneously forming holes at corresponding positions of the outer side template, inserting an anchoring reinforcing steel bar at one side of a conical sleeve and penetrating the tire membrane, fixing the other side template by using a fastening bolt at the other side of the template, pouring concrete and removing the template;
step S2, installing bracket brackets: hoisting the bracket to a designed position, embedding the backboard into the concrete wall, clamping one end of the larger section of the conical sleeve into a hole of the backboard, installing a steel gasket outside the hole, and screwing the fastening bolt into the hole;
step S3, installing a rest steel tongue: and hoisting the steel placing tongue to a designated position, aligning the pin shaft holes, inserting the pin shaft into the pin shaft holes at two ends and the through holes of the steel placing tongue, and fixing to finish the installation of the steel placing tongue.
5. The method of installing according to claim 4, further comprising the step of removing the fastening bolts, removing the rest brackets, screwing nuts onto the fastening bolts, screwing the nuts onto the fastening bolts, tightening the nuts to tightly connect the tapered sleeves, unscrewing the fastening bolts again, and taking out the tapered sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268647.9A CN113860190B (en) | 2021-10-29 | 2021-10-29 | Cantilever crane turnover-free beam rest bracket and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268647.9A CN113860190B (en) | 2021-10-29 | 2021-10-29 | Cantilever crane turnover-free beam rest bracket and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113860190A CN113860190A (en) | 2021-12-31 |
| CN113860190B true CN113860190B (en) | 2023-10-31 |
Family
ID=78985874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111268647.9A Active CN113860190B (en) | 2021-10-29 | 2021-10-29 | Cantilever crane turnover-free beam rest bracket and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113860190B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860189B (en) * | 2021-10-29 | 2024-02-09 | 上海建工四建集团有限公司 | Pin shaft type overturn-free climbing system of internal climbing tower crane |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206051361U (en) * | 2016-09-19 | 2017-03-29 | 中国建筑第八工程局有限公司 | Tower crane attached wall supporting construction |
| CN207844938U (en) * | 2017-12-28 | 2018-09-11 | 上海建工四建集团有限公司 | The telescopic boom device that climbs |
| CN111115469A (en) * | 2019-12-31 | 2020-05-08 | 上海市机械施工集团有限公司 | Conversion mechanism, climbing system and method for climbing tower crane in separated core barrel |
| CN113291987A (en) * | 2021-04-30 | 2021-08-24 | 上海建工四建集团有限公司 | Reusable tower crane lifting beam embedded part and construction method |
-
2021
- 2021-10-29 CN CN202111268647.9A patent/CN113860190B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206051361U (en) * | 2016-09-19 | 2017-03-29 | 中国建筑第八工程局有限公司 | Tower crane attached wall supporting construction |
| CN207844938U (en) * | 2017-12-28 | 2018-09-11 | 上海建工四建集团有限公司 | The telescopic boom device that climbs |
| CN111115469A (en) * | 2019-12-31 | 2020-05-08 | 上海市机械施工集团有限公司 | Conversion mechanism, climbing system and method for climbing tower crane in separated core barrel |
| CN113291987A (en) * | 2021-04-30 | 2021-08-24 | 上海建工四建集团有限公司 | Reusable tower crane lifting beam embedded part and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113860190A (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110886237B (en) | Arch bridge construction method | |
| CN113860190B (en) | Cantilever crane turnover-free beam rest bracket and installation method | |
| CN110359452B (en) | Node connecting part, frame prestress anchor cable supporting structure and construction method | |
| CN103774854A (en) | Construction method for hoisting heavy type ultrahigh steel member | |
| CN108423565B (en) | The erection and Demolition Construction method of U-shaped twin beams gantry crane with hook | |
| KR20200112052A (en) | Precast wall reinforced with built-in pressure resistance | |
| KR100832100B1 (en) | Pylon base stress reduction hypothesis structure and pylon base base stress reduction method | |
| CN116335162A (en) | Assembled inclined-throwing supporting mechanism and construction method thereof | |
| CN113860189B (en) | Pin shaft type overturn-free climbing system of internal climbing tower crane | |
| CN216239741U (en) | Formwork system of high-rise cantilever concrete structure | |
| CN115573513A (en) | A bolt connection structure and construction method of prefabricated beams and prefabricated columns | |
| CN104989092B (en) | A kind of construction method of high-altitude overhanging superposed type steel truss bearing platform | |
| CN115094778A (en) | Method for connecting prefabricated T-shaped piers through bonded prestressed tendons and steel bars | |
| CN109972512A (en) | A cast-in-place construction method for a profiled steel plate-concrete composite bridge deck | |
| CN214497525U (en) | Prefabricated hollow concrete supporting member and inner supporting system | |
| CN214644692U (en) | Post-tensioning precast concrete supporting member and inner supporting system | |
| CN117145043A (en) | Assembled type corridor, corridor end connection structure and construction method | |
| CN213062030U (en) | Combined concrete filled steel tube waist beam structure, prefabricated member and connecting node | |
| CN212801566U (en) | Node structure and supporting system of concrete filled steel tube support and crown beam | |
| CN115807508A (en) | Construction method and joints of building steel structure column foot installation foundation | |
| CN210562169U (en) | Node connecting part and frame prestressed anchor cable supporting structure | |
| CN112502160A (en) | Post-tensioning precast concrete supporting member, inner supporting system and construction method | |
| CN112302034A (en) | Prefabricated hollow concrete supporting member, inner supporting system and construction method | |
| CN114045750A (en) | Construction method of high pier column tie beam | |
| CN222332474U (en) | Steel-concrete combined anchor pull rod sheet body connecting structure convenient to install and position |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |