CN113860190A - Cantilever tower crane girder-turning-free placing bracket and mounting method - Google Patents
Cantilever tower crane girder-turning-free placing bracket and mounting method Download PDFInfo
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- CN113860190A CN113860190A CN202111268647.9A CN202111268647A CN113860190A CN 113860190 A CN113860190 A CN 113860190A CN 202111268647 A CN202111268647 A CN 202111268647A CN 113860190 A CN113860190 A CN 113860190A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 238000004873 anchoring Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 230000000284 resting effect Effects 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 45
- 230000009194 climbing Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000003351 stiffener Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 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
- 230000009286 beneficial effect 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
- 238000012423 maintenance Methods 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
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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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
- 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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a cantilever tower crane girder-turning-free placing bracket and an installation method thereof, belongs to the technical field of building construction, and aims to solve the problems of cantilever tower crane hoisting girder turning and recycling of embedded parts of the placing bracket. The concrete wall comprises a back plate and a placing steel tongue, wherein the back plate is embedded into an embedded area of a concrete wall body, a horizontal stiffening rib and a vertical stiffening rib are fixed on the outer side of the back plate, a conical sleeve is used for connecting the back plate and an anchoring reinforcing bar, the anchoring reinforcing bar is in threaded connection with the conical sleeve, a pin shaft penetrates through a through hole in the triangular section of the placing steel tongue and a pin shaft hole in the vertical stiffening rib respectively for fixing, three faces of the triangular placing steel tongue are a horizontal placing face, a vertical face and an inclined face in sequence, and an arc-shaped bearing steel rib is arranged at the joint of the vertical face and the horizontal placing face. When the tower crane is lifted, the end part of the lifting beam props against the triangular shelving steel tongue to drive the triangular shelving steel tongue to rotate, a space for the lifting beam to rise is provided until the lifting beam crosses the shelving steel tongue, and after the shelving steel tongue is eccentrically reset under the dead weight condition, the lifting beam is also fallen and placed on the shelving steel tongue.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a cantilever tower crane girder-turning-free bracket and an installation method thereof.
Background
At present, climbing of a heavy tower crane (such as a boom tower crane and the like) in civil engineering construction is generally realized by overturning a lifting beam, and specifically, the lifting beam at the bottom of the tower crane is detached after the tower crane climbs and overturned to the topmost part for climbing next time. Secondly, the support tower crane climbing beam is generally realized by a concrete back plate manufacturing part, the back plate manufacturing part adopts a rectangular steel plate and is welded with anchor pulling steel bars, the back plate manufacturing part is embedded in concrete members such as a wall body or a structural beam before concrete pouring, and when the support tower crane climbing beam is used, brackets are welded on the steel plate. The traditional method has the following disadvantages: 1. material waste: because the tower crane is temporarily used for construction, after the tower crane is dismantled, the embedded part can only be placed in concrete and cannot be dismantled, so that the waste of metal materials is caused; 2. the construction difficulty is big, and the safety risk is high. Because of the artifical tower crane climbing roof beam of dismantling, need set up interim dismantlement platform in the high altitude, need a large amount of weldment work simultaneously, the operation degree of difficulty is great, and the quality control degree of difficulty is high.
In recent years, two lifting technologies of a girder-free tower crane are generated:
firstly, arrange rotatable shelving steel tongue on the lifting beam, nevertheless adopt this kind of form, every lifting beam need arrange two sets and shelve the bracket to lifting operation is complicated, needs transition formula promotion many times, complex operation.
And secondly, the lifting beam capable of being turned over is arranged to place the bracket embedded part, the embedded part generally adopts a form of fixing the embedded plate by the through-wall bolt, and the shearing resistance of the embedded part is born by the bolt near the outer side area of the wall body, so that the through-wall bolt cannot be smoothly taken out due to overlarge deformation of the through-wall bolt after the embedded part is stressed, the bearing capacity is lower, and the reliability and the safety degree are not very high. Therefore, how to provide a turnover-free placing bracket for a lifting beam of a movable arm tower crane and an installation method thereof, which are needed to be solved by technical personnel 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 acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention mainly aims to provide a cantilever-free placing bracket of a movable arm tower crane and an installation method thereof, and mainly solves the problem of recycling of the cantilever-free placing bracket embedded part turned over by a lifting beam of the movable arm tower crane by designing a detachable cantilever-free placing bracket embedded part.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a boom tower crane exempts from to turn over roof beam and shelves bracket includes:
the inner side of the back plate is embedded in an embedded area of a concrete wall and is fixed through an anchoring component, the outer side of the back plate is flush with the wall surface of the concrete wall, two vertical stiffening ribs are arranged on the outer side of the back plate at intervals and in parallel, two horizontal stiffening ribs are arranged on one outward side of each vertical stiffening rib at intervals and in parallel with an area enclosed by the back plate, a pin shaft is arranged in the middle of a groined area formed by enclosing 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 tongue is arranged on the vertical stiffening rib through the pin shaft, a through hole matched with the pin shaft is formed in the steel tongue along the length direction of the pin shaft, two ends of the through hole are respectively located on the triangular cross section of the steel tongue, a horizontal placing surface is arranged at the upper end of the through hole, a vertical surface is arranged on one side, close to the back plate, of the through hole, an inclined surface is arranged on one side, far away from the back plate, of the through hole, 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 steel bar, one end of the conical sleeve with a smaller section is positioned on the inner side of the back plate, and one end of the conical sleeve with a larger section is clamped into the hole of the back plate and is fixed by the fastening bolt and a steel gasket on the outer side of the hole; the taper sleeve is provided with internal threads which are equally divided on two sides and are arranged by positive and negative threads, and one end of the anchoring reinforcing steel bar is inserted into the taper sleeve to form threaded connection.
Furthermore, in order to improve the stress stability around the pin shaft hole, the pin shaft hole outer side of the vertical stiffening rib is provided with a pin shaft stiffening rib.
Furthermore, in order to enhance the stress stability around the through hole, a pin shaft reinforcing rib is arranged on the outer side of the through hole for placing the steel tongue.
The invention also provides an installation method for placing the bracket by using the swing arm tower crane non-turning beam, which comprises the following steps:
step S1, manufacturing a back plate: manufacturing a moulding bed, fixing the moulding bed and an outer side template through nails at a bracket placing position after the outer side template of the concrete wall is closed, simultaneously forming holes at a corresponding position of the outer side template, inserting one side of a conical sleeve into an anchoring steel bar and penetrating the moulding bed, fixing the other side template after the other side of the template is fixed by using a fastening bolt, pouring concrete and removing the template;
step S2, mounting a bracket: hoisting the bracket support to a designed position, embedding the back plate into the concrete wall body, clamping one end of the larger section of the conical sleeve into the hole of the back plate, installing a steel gasket outside the hole, and screwing the fastening bolt;
step S3, mounting a resting steel tongue: and hoisting the placed steel tongue to a specified position, aligning the steel tongue with the pin shaft holes, inserting the pin shafts into the pin shaft holes at the two ends and the through holes of the placed steel tongue, and fixing to finish the installation of the placed steel tongue.
Further, the method comprises the step S4 of dismantling the fastening bolt, taking down the placing bracket, screwing a nut on the fastening bolt, screwing the nut to enable the fastening bolt to be tightly connected 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 movable arm tower crane girder-turning-free placing bracket mainly comprises a back plate and a placing steel tongue, wherein the inner side of the back plate is embedded into an embedded area of a concrete wall body, 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, a conical sleeve is used for connecting the back plate and an anchoring steel bar, one end of the larger cross section of the conical sleeve is clamped into a hole of the back plate, the steel gasket and the fastening bolt are fixed through the outer side of the hole, one end of the smaller section of the conical sleeve is positioned at the inner side of the back plate, the anchoring reinforcing steel bar is in threaded connection with the internal thread of the conical sleeve, the triangular section for placing the steel tongue is provided with a through hole, a pin shaft respectively passes through the through hole for placing the steel tongue and a pin shaft hole of the vertical stiffening rib for fixing, the upper end of the through hole is a horizontal placing surface, one side of the through hole close to the back plate is a vertical surface, one side of the through hole, which is far away from the back plate, is an inclined plane, and an arc-shaped bearing steel rib is arranged at the joint of the vertical surface and the horizontal laying surface. When the movable arm tower crane is lifted, the end sealing plate at the end part of the lifting beam props against the triangular shelving steel tongue to drive the triangular shelving steel tongue to rotate, after the shelving steel tongue rotates, the inclined plane of the shelving steel tongue is vertically parallel to the end sealing plate at the end part of the lifting beam, a space for the lifting beam to ascend is provided until the shelving steel tongue is crossed, and after the shelving steel tongue is eccentrically reset under the dead weight condition, the lifting beam also falls down and is placed on the shelving steel tongue. According to the cantilever crane turning-free beam placing bracket and the mounting method thereof, the problems of turning of a lifting beam of a cantilever crane and placing of the bracket and turnover of corresponding embedded parts are solved, the economic benefit is improved, and the resources are saved; the problem of turning over of a 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; the temporary shelving transition of the lifting beam is avoided, the number of shelving brackets is reduced, and the lifting operation of the lifting beam is simplified.
Drawings
FIG. 1 is an installation schematic diagram of a boom tower crane non-turning beam placing bracket in one embodiment of the invention;
FIG. 2 is a schematic structural view of a tower crane lifting beam in an embodiment of the invention, wherein the boom tower crane is used for placing a corbel without turning over the beam;
FIG. 3 is a schematic diagram of a concrete wall in a bracket placed on a movable arm tower crane turnover-free beam in another embodiment of the invention;
FIG. 4 is a schematic structural diagram of a boom tower crane free-turning beam for placing a bracket according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a steel tongue placed in a bracket placed on a non-turning beam of a movable arm tower crane in one embodiment of the invention;
fig. 6 to 8 are schematic diagrams of steps S1 to S3 in the installation method of the boom tower crane non-turning beam for placing the bracket according to the embodiment of the invention;
fig. 9 to 12 are schematic diagrams of steps (2) to (5) in a method for using a movable arm tower crane overturn-free beam to rest a bracket according to another embodiment of the invention.
In the figure:
01-lifting beam; 02-concrete wall; 03-laying the bracket; 101-placing a base plate at the bottom; 102-end head plate; 103-middle reinforced rib plate; 104-standard joint fixing connecting plate; 201-wall surface; 202-embedding area; 301-anchoring the reinforcing steel bars; 302-a tapered sleeve; 303-a steel gasket; 304-fastening bolts; 305-a back-plate; 306-vertical stiffeners; 307-horizontal stiffeners; 308-pin shaft; 309-pin shaft stiffening ribs; 310-resting the steel tongue; 3101-a horizontal resting surface; 3102-load bearing steel ribs; 3103-reinforcing ribs for pin shafts; 3104-vertical plane.
Detailed Description
The following describes in detail the placing bracket of the boom tower crane without turning over the beam and the installation method of the boom tower crane provided by the invention with reference to the accompanying drawings and the specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Example one
The structural components of the boom tower crane non-turning beam bracket of the invention are described in detail below with reference to fig. 1 to 12.
Referring to fig. 1 to 12, a boom tower crane girder-turning-free resting bracket comprises a back plate 305 and a resting steel tongue 310, wherein the inner side of the back plate 305 is embedded in an embedded area 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, the back plate 305 and an anchoring steel bar 301 are connected by using a tapered sleeve 302, one end of the larger cross section of the tapered sleeve 302 is clamped in a hole of the back plate 305 and is fixed by a steel gasket 303 and a fastening bolt 304 on the outer side of the hole, one end of the smaller cross section of the tapered sleeve 302 is positioned on the inner side of the back plate 305, the anchoring steel bar 301 is in threaded connection with an internal thread of the tapered sleeve 302, a through hole is formed in the triangular cross section of the resting steel tongue 310, a pin shaft 308 is respectively fixed by penetrating through the through hole of the resting steel tongue 310 and a pin shaft hole of the vertical stiffening rib 306, the upper end of the through hole is a horizontal resting surface 3101, one side of the through hole close to the back plate 305 is a vertical surface 3104, the side of the through hole away from the back plate 305 is an inclined surface, and an arc-shaped bearing steel rib 3102 is arranged at the joint of the vertical surface 3104 and the horizontal resting surface 3101.
When the movable arm tower crane is lifted, the end head plate 102 of the lifting beam 01 props against the triangular resting steel tongue 310 to drive the triangular resting steel tongue 310 to rotate, after the resting steel tongue 310 rotates, the inclined surface of the resting steel tongue 310 is vertically parallel to the end head plate 102 of the lifting beam 01, a space for the lifting beam 01 to ascend is provided until the lifting beam passes over the resting steel tongue 310, and after the resting steel tongue 310 is eccentrically reset under the self-weight condition, the lifting beam 01 also falls down and rests on the resting steel tongue 310.
Specifically, the inner side of the back plate 305 is embedded in the embedded area 202 of the concrete wall and is fixed through the anchoring member, the outer side of the back plate 305 is flush with the wall surface 201 of the concrete wall, two vertical stiffening ribs 306 are arranged at intervals and in parallel on the outer side of the back plate 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 area enclosed by the back plate 305, a pin shaft 308 is arranged in the middle of the groined area formed by the enclosure of the horizontal stiffening ribs 307 and the vertical stiffening ribs 306, and two ends of the pin shaft 308 are respectively fixedly connected through pin shaft holes of the two vertical stiffening ribs 306.
In particular, the anchoring member comprises a tapered sleeve 302, a fastening bolt 304 and an anchoring steel bar 301, one end of the tapered sleeve 302 with a smaller section is positioned at the inner side of a back plate 305, one end of the tapered sleeve 302 with a larger section is clamped into a hole of the back plate 305 and is fixed by a steel gasket 303 and the fastening bolt 304 at the outer side of the hole; the conical sleeve 302 is provided with internal threads which are equally divided at two sides and are arranged by positive and negative threads, and one end of the anchoring steel bar 301 is inserted into the conical sleeve 302 to form threaded connection.
In this embodiment, more preferably, in order to improve the force stability around the pin shaft hole, the pin shaft stiffener 309 is disposed outside the pin shaft hole of the vertical stiffener 306.
In this embodiment, more preferably, in order to enhance the force stability around the through hole, the outer side of the through hole of the resting tongue 310 is provided with a pin shaft strengthening rib 3103.
With continuing reference to fig. 1 to 12, the installation method in this embodiment further provides an installation method for placing a bracket on a boom tower crane without turning over a beam, where the installation method includes:
step S1, manufacturing a back plate: manufacturing a moulding bed, fixing the moulding bed and an outer side template through nails at a bracket placing position after the outer side template of the concrete wall 02 is closed, simultaneously forming a hole at a corresponding position of the outer side template, inserting one side of a conical sleeve 302 into an anchoring steel bar 301 and penetrating the moulding bed, fixing the other side template after the other side of the template is fixed by a fastening bolt 304, pouring concrete and removing the template, and forming a back plate 305 after maintenance is finished;
step S2, mounting a bracket for placing the bracket: hoisting the bracket for placing the bracket to a designed position, embedding the back plate 305 into the concrete wall 02, simultaneously clamping one end of the larger section of the conical sleeve 302 into the hole of the back plate 305, mounting a steel gasket 303 outside the hole, and screwing the fastening bolt 304;
step S3, mounting the resting tongue 310: and hoisting the resting steel tongue 310 to a specified position, aligning the steel tongue with the pin shaft holes, inserting the pin shaft 308 into the pin shaft holes at the two ends and the through hole of the resting steel tongue 310, and fixing to complete the installation of the resting steel tongue 310.
In this embodiment, it is further preferable that the method further includes step S4, removing the fastening bolt 304, removing the resting bracket 03, screwing a nut on the fastening bolt 304, screwing the nut to tightly connect the tapered sleeve 302, unscrewing the fastening bolt 304 again, and taking out the tapered sleeve 302.
Example two
With continuing reference to fig. 1 to 12, the present embodiment further provides a method for using a boom tower crane to lay a bracket without a turning beam, where the method includes the following steps:
when the tower crane climbs, the lifting beam 01 lifts the first lifting beam 01 by means of a winch arranged at the top of the standard knot;
step (2), when the lifting beam 01 is lifted to the position of the placing bracket 03 and is in contact with the placing steel tongue 310 of the placing bracket 03;
step (3), continuing to lift the lifting beam 01, wherein the lifting beam 01 pushes the placing steel tongue 310 to rotate at the moment, and a space is given for the lifting beam 01 to continue to lift;
step (4), after the lifting beam 01 continues to lift over the resting steel tongue 310, the resting steel tongue 310 resets 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 complete 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.
Particularly, an end sealing plate is arranged at the end part of the lifting beam 01, a convex bottom placing base plate 101 is further arranged at the lower end of the end part, and a middle reinforced rib plate and a standard knot fixing connecting plate 104 are arranged in the middle of the lifting beam 01. The resting tongues 310 are pushed to rotate by the bottom resting pad 101 or the action of the lifting beam 01 resting on the resting tongues 310 is completed.
The above description of the installation method is merely a description of the preferred embodiment of the present invention and is not intended to limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.
Claims (5)
1. The utility model provides a cantilever tower crane exempts from to turn over roof beam and shelves bracket which characterized in that includes:
the inner side of the back plate is embedded in an embedded area of a concrete wall and is fixed through an anchoring component, the outer side of the back plate is flush with the wall surface of the concrete wall, two vertical stiffening ribs are arranged on the outer side of the back plate at intervals and in parallel, two horizontal stiffening ribs are arranged on one outward side of each vertical stiffening rib at intervals and in parallel with an area enclosed by the back plate, a pin shaft is arranged in the middle of a groined area formed by enclosing 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 tongue is arranged on the vertical stiffening rib through the pin shaft, a through hole matched with the pin shaft is formed in the steel tongue along the length direction of the pin shaft, two ends of the through hole are respectively located on the triangular cross section of the steel tongue, a horizontal placing surface is arranged at the upper end of the through hole, a vertical surface is arranged on one side, close to the back plate, of the through hole, an inclined surface is arranged on one side, far away from the back plate, of the through hole, 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 steel bar, one end of the conical sleeve with a smaller section is positioned on the inner side of the back plate, and one end of the conical sleeve with a larger section is clamped into the hole of the back plate and is fixed by the fastening bolt and a steel gasket on the outer side of the hole; the taper sleeve is provided with internal threads which are equally divided on two sides and are arranged by positive and negative threads, and one end of the anchoring reinforcing steel bar is inserted into the taper sleeve to form threaded connection.
2. The boom tower crane non-turning beam placing bracket according to claim 1, wherein a pin shaft stiffening rib is arranged outside a pin shaft hole of the vertical stiffening rib.
3. The movable arm tower crane turning-free beam placing bracket according to claim 1, wherein a pin shaft reinforcing rib is arranged on the outer side of the placing steel tongue through hole.
4. A mounting method for placing a bracket by using a movable arm tower crane turning-free beam is characterized in that the movable arm tower crane turning-free beam placing bracket of any one of claims 1 to 4 is used, and the mounting method comprises the following steps:
step S1, manufacturing a back plate: manufacturing a moulding bed, fixing the moulding bed and an outer side template through nails at a bracket placing position after the outer side template of the concrete wall is closed, simultaneously forming holes at a corresponding position of the outer side template, inserting one side of a conical sleeve into an anchoring steel bar and penetrating the moulding bed, fixing the other side template after the other side of the template is fixed by using a fastening bolt, pouring concrete and removing the template;
step S2, mounting a bracket: hoisting the bracket support to a designed position, embedding the back plate into the concrete wall body, clamping one end of the larger section of the conical sleeve into the hole of the back plate, installing a steel gasket outside the hole, and screwing the fastening bolt;
step S3, mounting a resting steel tongue: and hoisting the placed steel tongue to a specified position, aligning the steel tongue with the pin shaft holes, inserting the pin shafts into the pin shaft holes at the two ends and the through holes of the placed steel tongue, and fixing to finish the installation of the placed steel tongue.
5. The mounting method according to claim 4, further comprising the step S4 of removing the fastening bolt, removing the rest bracket, screwing a nut on the fastening bolt, screwing the nut to tightly connect the tapered sleeve, unscrewing the fastening bolt again, and taking out the tapered sleeve.
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 |
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| 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 |
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| CN113860190A true CN113860190A (en) | 2021-12-31 |
| CN113860190B CN113860190B (en) | 2023-10-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860189A (en) * | 2021-10-29 | 2021-12-31 | 上海建工四建集团有限公司 | Pin shaft type climbing beam of non-turnover internal climbing tower crane and use method thereof |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860189A (en) * | 2021-10-29 | 2021-12-31 | 上海建工四建集团有限公司 | Pin shaft type climbing beam of non-turnover internal climbing tower crane and use method thereof |
| 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 |
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| CN113860190B (en) | 2023-10-31 |
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