CN114426249A - Anti-skidding rotary heavy-duty tower crane attachment device hinged to thin-wall circular steel column - Google Patents

Anti-skidding rotary heavy-duty tower crane attachment device hinged to thin-wall circular steel column Download PDF

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Publication number
CN114426249A
CN114426249A CN202111614507.2A CN202111614507A CN114426249A CN 114426249 A CN114426249 A CN 114426249A CN 202111614507 A CN202111614507 A CN 202111614507A CN 114426249 A CN114426249 A CN 114426249A
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CN
China
Prior art keywords
ring beam
rod
assembly
release
hammering
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Pending
Application number
CN202111614507.2A
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Chinese (zh)
Inventor
张希望
刘宏宇
付路桥
王玉冰
武亚光
韩纪元
周志强
李闯
杨玲玲
蔡泽帅
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Beijing Machinery Construction Group Co ltd
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Beijing Machinery Construction Group Co ltd
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Priority to CN202111614507.2A priority Critical patent/CN114426249A/en
Publication of CN114426249A publication Critical patent/CN114426249A/en
Pending legal-status Critical Current

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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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/203—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention provides an anti-slip rotating type heavy tower crane attachment device hinged to a thin-wall circular steel column, which comprises an anti-rotation joint assembly and a ring beam assembly, wherein the anti-rotation joint assembly and the ring beam assembly are connected through a connecting mechanism, the anti-rotation joint assembly is used for connecting a tower crane attachment rod head, a plurality of slots are formed in the ring beam assembly, and the steel column is wedged and fixed through the matching of a plurality of inserting blocks and the slots. Therefore, the invention can solve the technical problems that the existing column bodies are usually connected by adopting a hoop structure, the bending modulus of a hoop steel plate is very small, the horizontal axial push/pull force from the attachment rod cannot be resisted independently, the axial pressure acts on the column body by local and unidirectional load after passing through the hoop arc plate (a base plate), and if the column body is a steel structure column body with relatively weak overall strength such as thin wall/hollow and the like, the column body is easy to deform under the extrusion of the attachment rod.

Description

Anti-skid rotary type heavy tower crane attachment device hinged to thin-wall circular steel column
Technical Field
The invention relates to the technical field of connection of an attachment rod of a heavy tower crane and a steel column of a building body, in particular to an anti-skidding rotary type attachment device of the heavy tower crane, which is hinged to a thin-wall circular steel column.
Background
The self-elevating tower crane is a mainstream type in construction, the tower crane is attached to a building body along with the rise of the building body and rises along with the rise of the building body (hereinafter referred to as tower crane attachment) is normal work in tower crane construction application, meanwhile, along with the continuous promotion of infrastructure construction, the structural design of the building is more novel, the attachment position (hereinafter referred to as attachment point) on the building body, which is faced by the tower crane when the tower crane is attached, has more diverse structural forms and more rigorous limiting conditions, and various novel attachment devices are needed to adapt to the environment and connect the building body with the tower crane attachment structure.
A circular column is a common form in buildings, and particularly in some industrial buildings or industrial facilities, the column often appears in the form of a steel pipe, and the steel pipe often has the characteristics of thin wall (namely, low relative strength), hollowness (no concrete in the pipe), prohibition of secondary welding, slight inclination, variable diameter, peripheral obstacles and the like, so that a plurality of adverse factors and technical difficulties are caused to the connection of a tower crane attachment rod on the columns;
the existing column body is usually connected by adopting a 'hoop' structure (namely, two or more arc plates are pressed, the arc plates are connected and pre-tightened by bolts, so that the clamping force of the arc plates on the column body is realized, the rotation of the 'hoop' device is resisted by the friction force between the arc plates and the column body generated by the clamping force, the surface of the column body is influenced by factors such as corrosion, dust, paint/coating, welding seams, humidity, unevenness and the like due to the influence of a construction site and the environment, so that the friction force between the arc plates and the column body is influenced, the connection effect of the 'hoop' structure is influenced, meanwhile, the bending modulus of a hoop steel plate is very small, the axial push/pull force from the level of an attachment rod cannot be resisted independently, the axial pressure is acted on the column body by local and unidirectional load after passing through the hoop arc plates (the action of a base plate), and if the column body is a steel structure column body with relatively weak overall strength such as a thin wall and a hollow structure, it is easy to deform the cylinder by the compression of the attachment rod.
Disclosure of Invention
The invention provides an anti-skid rotary heavy tower crane attachment device hinged to a thin-wall circular steel column, which is used for solving the problems that the existing column body is usually connected by adopting a hoop structure (namely two or more arc plates are pressed and are connected and pre-tightened by bolts to realize the clamping force of the arc plates on the column body, the rotation of the hoop structure is resisted by the friction force between the arc plates and the column body generated by the clamping force, the friction force between the arc plates and the column body is influenced due to the influence of corrosion, dust, paint/coating, welding seams, moisture, unevenness and other factors on the surface of the column body in the construction site and environment, the connection effect of the hoop structure is influenced, and meanwhile, the hoop steel plate has small bending modulus and cannot independently resist the horizontal axial push/pull force from an attachment rod, and the axial pressure passes through the hoop arc plates (a backing plate) and then is locally applied, The unidirectional load is applied to the column body, and if the steel structure column body with relatively weak overall strength such as thin wall/hollow and the like is adopted, the technical problem that the column body is deformed under the extrusion of the attachment rod is easily caused.
In order to solve the technical problem, the invention discloses an anti-slip rotating type heavy-duty tower crane attachment device hinged to a thin-wall circular steel column.
Preferably, the connecting mechanism is a first pin shaft, the first pin shaft penetrates through the anti-rotation joint assembly and the ring beam assembly, the inserting block is a wedge-shaped block, and the inserting groove is a wedge-shaped inserting groove.
Preferably, the anti-rotation joint assembly comprises an anti-rotation joint, two wedge irons and a second pin shaft, and two wedge iron square jacks, a connecting rod head pin shaft hole and two connecting ring beam pin shaft holes are formed in an anti-rotation joint main board of the anti-rotation joint assembly.
Preferably, the second pin shaft penetrates through the pin shaft hole and is inserted into the rod head of the tower crane attachment rod, the wedge irons are inserted into the wedge iron square insertion holes, the tower crane attachment rod is wedged between the two wedge irons, and the connecting ring beam pin shaft hole is used for being matched with the ring beam reserved pin shaft hole and the first pin shaft to realize the connection of the anti-rotation joint assembly and the ring beam assembly.
Preferably, the anti-rotation joint comprises two anti-rotation joint main boards, the two anti-rotation joint main boards are connected with the two anti-rotation joint longitudinal erection plates which are symmetrically arranged through the anti-rotation joint transverse erection plates in a welding mode, and two anti-rotation joint outer reinforcing rib plates which are symmetrically arranged are arranged outside the two anti-rotation joint main boards.
Preferably, the ring beam assembly comprises two semi-ring beams and a plurality of high-strength bolt groups, and the two semi-ring beams are fixedly connected through the plurality of high-strength bolt groups.
Preferably, the semi-ring beam comprises two semi-ring beam main boards, a plurality of ring inner frame vertical boards are arranged between the two semi-ring beam main boards, the ring inner frame vertical boards are connected with the semi-ring beam main boards in a welding manner, the semi-ring beam main boards comprise a plurality of ring beam reserved pin shaft holes and main board inner arc surfaces, two ends of the semi-ring beam main boards are connected with semi-ring beam butt-joint discs in a welding manner, a plurality of high-strength bolt holes are arranged on the semi-ring beam butt-joint discs, the high-strength bolt holes are used for being matched with high-strength bolt groups to realize connection between the two semi-ring beams, and two symmetrically arranged joint disc reinforcing rib plates are arranged between the semi-ring beam butt-joint discs and the semi-ring beam main boards;
the inner wedge ring plate is clamped on the inner sides of the two semi-ring beam main plates and is in welded connection with the semi-ring beam main plates, the inner wedge ring plate comprises a plurality of slots and an inner wedge ring surface, the slots are used for being matched with the inserting blocks, the inner wedge ring surface is concentric with the inner wedge ring surface of the main plates, and the radius of the inner wedge ring surface is smaller than that of the inner wedge ring surface of the main plates.
Preferably, the ring beam assembly is sleeved with a rainwater flow guide mechanism, the rainwater flow guide mechanism comprises two symmetrically arranged flow guide shells, two are arranged on the flow guide shells, the flow guide shells are mutually matched through bolt connecting lugs and bolts to realize connection, and the rainwater flow guide mechanism is used for guiding rainwater.
Preferably, a clamping mechanism mounting cavity and a steel column mounting cavity are arranged in the guide shell, the steel column mounting cavity is used for accommodating a steel column, a clamping assembly and a clamping release assembly are arranged in the clamping mechanism mounting cavity, and the clamping release assembly controls the clamping assembly to work by releasing and locking the clamping assembly;
the clamping assembly comprises a guide rod and an installation rod, the guide rod and the installation rod are fixedly connected in an installation cavity of the clamping mechanism, a sliding sleeve and a first elastic part are sleeved on the guide rod, the sliding sleeve is connected on the guide rod in a sliding manner, a first driving part is arranged on the sliding sleeve and is used for driving the sliding sleeve to slide along the guide rod, a first belt wheel and a second belt wheel are connected on the installation rod in a rotating manner, a toothed belt is arranged between the first belt wheel and the second belt wheel and is connected with the first belt wheel and the second belt wheel in a friction manner, a connecting bent rod is fixedly connected on the inner side of the toothed belt, one end of the connecting bent rod, which is far away from the toothed belt, is fixedly connected on the sliding sleeve, first meshing teeth are arranged on the toothed belt, an installation seat is fixedly connected on the installation rod, a meshing gear is connected on the installation seat in a rotating manner, and is meshed with the first meshing teeth, the inner wall of the clamping mechanism mounting cavity is fixedly connected with a guide block through a connecting rod, a clamping pipe is sleeved outside the guide block, a second meshing gear is fixedly connected onto the clamping pipe and is meshed with the meshing gear, and an arc-shaped clamping plate is fixedly connected to one end, located outside the clamping mechanism mounting cavity, of the clamping pipe;
the clamping and releasing assembly comprises a releasing shell, a releasing execution gear and a releasing cam are rotationally connected in the releasing shell, a release guide rod is fixedly connected to the release shell, a sliding frame is sleeved on the release guide rod, the release guide rod is sleeved with a second elastic piece, one end of the sliding frame, which is positioned outside the release shell, is provided with a first locking block, the first locking block is used for matching with the second locking block on the sliding sleeve, one end of the sliding frame, which is positioned in the release shell, is provided with a disc body, a release execution rack is connected to the release shell in a sliding manner and is meshed with the release execution gear, one end of the release execution rack, which is far away from the release shell, is provided with a movable driving piece, the movable driving piece is used for driving the release execution rack to slide, and a third elastic piece is sleeved on the part of the release execution rack, which is positioned between the movable driving piece and the release shell.
Preferably, the connecting mechanism comprises a mounting support, the mounting support is connected to the adapter through a bolt, a connecting mechanism shell is connected to the mounting support in a sliding manner, a hammering assembly and a connecting execution rod are arranged in the connecting mechanism shell, and the hammering assembly is used for hammering the connecting execution rod;
an adjusting sliding groove is formed in the mounting support, an adjusting sliding block is arranged on the connecting mechanism shell, a second driving piece is arranged on the adjusting sliding block, and the second driving piece is used for driving the adjusting sliding block to slide along the adjusting sliding groove;
the hammering component comprises a convex table, the convex table is fixedly connected in the connecting mechanism shell, a hammering table is connected in the convex table in a vertical sliding manner, the hammering table comprises a rod body and a table body, a fifth elastic piece is arranged between the rod body and the convex table, the rod body is connected in the convex table in a sliding manner, two symmetrically-arranged hammering guide holes are formed in the table body, hammering guide rods corresponding to the hammering guide holes are fixedly connected in the connecting mechanism shell, the hammering guide rods are sleeved in the hammering guide holes, a hammering cam is rotationally connected in the connecting mechanism shell, a third driving piece is arranged on the hammering cam and used for driving the hammering cam to rotate, and two symmetrically-arranged buffering components are arranged on the bottom surface of the table body;
the buffer assembly comprises a first buffer connecting rod and a second buffer connecting rod, one ends of the first buffer connecting rod and the second buffer connecting rod are hinged to the bottom of the table body, one ends, far away from the table body, of the first buffer connecting rod and the second buffer connecting rod are respectively hinged to a first buffer sliding block and a second buffer sliding block, the first buffer sliding block and the second buffer sliding block are connected in a buffer sliding groove in the connecting mechanism shell in a sliding mode, and a fourth elastic piece is fixedly connected between the first buffer sliding block and the second buffer sliding block;
the utility model discloses a hydraulic hammer, including pole body, connecting groove, cover, sixth elastic component, the pole body is internal to be connected with T type hammering pole through the spread groove fixed connection, the cover is equipped with the sixth elastic component on the T type hammering pole.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall mounting structure of the present invention;
FIG. 2 is an exploded view of the overall installation of the present invention;
FIG. 3 is a schematic view of an assembly structure of the present invention;
FIG. 4 is a schematic view of an anti-rotation joint assembly of the present invention;
FIG. 5 is a schematic structural view of a ring beam assembly according to the present invention;
FIG. 6 is an exploded view of individual components of the present invention;
FIG. 7 is a schematic view of an anti-rotation joint structure according to the present invention;
FIG. 8 is a schematic view of a semi-circular beam structure according to the present invention;
FIG. 9 is a schematic view of the installation of the rainwater diversion mechanism of the present invention;
FIG. 10 is a schematic structural view of a rainwater diversion mechanism of the present invention;
FIG. 11 is a schematic view of a clamping assembly according to the present invention;
FIG. 12 is a schematic view of the coupling mechanism of the present invention;
FIG. 13 is an enlarged partial view A of FIG. 12 in accordance with the present invention;
in the figure: 1. an anti-rotation joint assembly; 2. a ring beam assembly; 3. an anti-rotation joint; 4. a semi-ring beam; 5. a high-strength bolt group; 6. inserting a block; 600. wedge-shaped iron; 7. a first pin shaft; 700. a second pin shaft; 8. a wedge-shaped iron square jack; 9. a connecting rod head pin hole; 10. a connecting ring beam pin shaft hole; 11. an anti-rotation joint main board; 12. the anti-rotation joint transversely supports the vertical plate; 13. an anti-rotation joint external reinforcing rib plate; 14. the anti-rotation joint is longitudinally erected with a vertical plate; 15. high-strength bolt holes; 16. pin shaft holes are reserved in the ring beam; 17. an inner arc surface of the main board; 18. a slot; 19. an inner arc surface of the wedge plate; 20. the semi-ring beam is butted with the plate; 21. the flange reinforcing rib plate; 22. erecting a plate in the ring; 23. a semi-ring beam main board; 24. an inner ring plate of a wedge opening; 25. a steel column; 26. attaching a rod head to the tower crane; 27. a rainwater flow guiding mechanism; 28. a flow-guiding housing; 280. the lug is connected by a bolt; 281. a clamping mechanism mounting cavity; 282. a connecting rod; 283. a guide block; 284. clamping the tube; 285. a second meshing tooth; 286. an arc-shaped clamping plate; 287. connecting the bent rod; 29. clamping the assembly; 290. a guide bar; 291. mounting a rod; 292. a sliding sleeve; 293. a first elastic member; 294. a first pulley; 295. a second pulley; 296. a toothed belt; 297. a first meshing tooth; 298. a mounting seat; 299. a meshing gear; 30. clamping the release assembly; 300. releasing the shell; 3000. releasing the execution gear; 3001. releasing the cam; 3002. releasing the guide rod; 3003. a carriage; 3004. a first locking block; 3005. a second locking block; 3006. releasing the actuating rack; 3007. moving the driving member; 3008. a third elastic member; 3009. a steel column installation cavity; 301. a tray body; 3020. a convex platform; 3021. a hammering table; 3022. a rod body; 3023. a stage body; 3024. hammering the guide hole; 3025. hammering the guide rod; 3026. hammering the cam; 3027. a fifth elastic member; 31. a connecting mechanism; 310. mounting a support; 3100. adjusting the sliding chute; 3101. adjusting the sliding block; 311. a coupling mechanism housing; 3100. adjusting the sliding chute; 3101. adjusting the sliding block; 313. connecting an actuating rod; 314. a buffer assembly; 3140. a first buffer link; 3141. a second buffer link; 3142. a first cushion slider; 3143. a second buffer slide block; 3144. a buffer chute; 3145. a fourth elastic member; 3146. connecting grooves; 3147. a T-shaped hammering bar; 3148. and a sixth elastic member.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The present invention provides the following examples:
example 1
The embodiment of the invention provides an anti-skid rotary type heavy-duty tower crane attachment device hinged to a thin-wall circular steel column, which comprises an anti-rotation joint assembly 1 and a ring beam assembly 2, wherein the anti-rotation joint assembly 1 and the ring beam assembly 2 are connected through a connecting mechanism 31, the anti-rotation joint assembly 1 is used for connecting a tower crane attachment rod head 26, the ring beam assembly 2 is provided with a plurality of slots 18, and the steel column 25 is wedged and fixed through the matching of a plurality of insertion blocks 6 and the slots 18.
The working principle and the beneficial effects of the technical scheme are as follows: when in use, the tower crane attachment rod head 26 is connected with the anti-rotation joint assembly 1, then the ring beam assembly 2 is surrounded and sleeved on the steel column 25, the connection between the anti-rotation joint assembly 1 and the ring beam assembly 2 is realized by adopting the first pin shaft 7, then a plurality of inserting blocks 6 are respectively inserted into a plurality of wedge-shaped slots 18 in the ring beam assembly 2 from the upper part of the ring beam assembly 2 and are respectively and uniformly wedged, and the wedge-shaped iron 6 generates extruding force which is uniformly distributed on the periphery of the ring beam assembly 2 and the steel column in the wedging process;
the connection between the ring beam assembly 2 and the steel column 25 is realized by adopting the insert block 6, the wedge-tight condition of the insert block 6 on the steel column 25 can be adjusted according to the actual condition (the condition that the surface of the column body is affected by factors such as corrosion, dust, paint/coating, welding seams, humidity, unevenness and the like) due to the wedge-shaped structure of the insert block 6, so that the connection between the ring beam assembly 2 and the steel column 25 is more firm and reliable, the anti-rotation joint assembly 1 is specially designed for connecting the rod head 26 of the tower crane attachment rod, the direct extrusion of the tower crane attachment rod on the steel column 25 is radically stopped (the axial push/pull force of the tower crane attachment rod shown in figure 1 can directly act on the anti-rotation joint assembly 1 instead of acting on the steel column 25), and meanwhile, the design of the wedge-shaped iron 6 ensures that the pressure borne by the steel column 25 is annular balanced pressure, so that the extrusion deformation of the steel column 25 is avoided;
the invention solves the problems that the existing column body is usually connected by adopting a hoop structure (namely two or more arc plates are pressed and connected by bolts and are pre-tightened to realize the clamping force of the arc plates to the column body, the rotation of the hoop device is resisted by the friction force between the arc plates and the column body generated by the clamping force), the friction force between the arc plates and the column body is influenced and the connection effect of the hoop structure is influenced because the surface of the column body is influenced by factors such as corrosion, dust, paint/coating, welding seams, moisture, unevenness and the like due to the influence of a construction site and the environment, meanwhile, the bending modulus of the hoop steel plate is very small, the horizontal axial push/pull force from an attachment rod cannot be resisted independently, the axial pressure acts on the column body by local and unidirectional load after passing through the hoop arc plates (a base plate action), and if the column body is a steel structure with relatively weak overall strength such as thin wall and hollow, it is easy to cause the cylinder to be deformed under the pressing force of the attaching rod.
Example 2
On the basis of the embodiment 1, the connecting mechanism 31 is a first pin 7, the first pin 7 penetrates through the anti-rotation joint assembly 1 and the ring beam assembly 2, the insert 6 is a wedge-shaped block, and the slot 18 is a wedge-shaped slot;
the anti-rotation joint assembly 1 comprises an anti-rotation joint 3, two wedge irons 600 and a second pin shaft 700, wherein two wedge iron square insertion holes 8, a connecting rod head pin shaft hole 9 and two connecting ring beam pin shaft holes 10 are formed in an anti-rotation joint main board 11 of the anti-rotation joint assembly 1;
the second pin shaft 700 penetrates through the pin shaft hole 9 and is inserted and connected onto the tower crane attachment rod head 26, the wedge irons 600 are inserted and connected into the wedge iron square insertion hole 8, the tower crane attachment rod is wedged between the two wedge irons 600, and the connecting ring beam pin shaft hole 10 is used for being matched with the ring beam reserved pin shaft hole 16 and the first pin shaft 7 to realize the connection of the anti-rotation joint assembly 1 and the ring beam assembly 2;
the anti-rotation joint 3 comprises two anti-rotation joint main boards 11, the two anti-rotation joint main boards 11 are connected with two anti-rotation joint longitudinal frame vertical boards 14 which are symmetrically arranged through an anti-rotation joint transverse frame vertical board 12 in a welding mode, and two anti-rotation joint outer reinforcing rib plates 13 which are symmetrically arranged are arranged outside the two anti-rotation joint main boards 11;
the ring beam assembly 2 comprises two semi-ring beams 4 and a plurality of high-strength bolt groups 5, and the two semi-ring beams 4 are fixedly connected through the high-strength bolt groups 5;
the semi-ring beam 4 comprises two semi-ring beam main plates 23, a plurality of ring inner erection plates 22 are arranged between the two semi-ring beam main plates 23, the ring inner erection plates 22 are connected with the semi-ring beam main plates 23 in a welding manner, each semi-ring beam main plate 23 comprises a plurality of ring beam reserved pin shaft holes 16 and a main plate inner arc surface 17, two ends of each semi-ring beam main plate 23 are connected with semi-ring beam butt-joint discs 20 in a welding manner, each semi-ring beam butt-joint disc 20 is provided with a plurality of high-strength bolt holes 15, each high-strength bolt hole 15 is used for being matched with a high-strength bolt group 5 to realize connection between the two semi-ring beams 4, and two symmetrically arranged joint disc reinforcing rib plates 21 are arranged between each semi-ring beam butt-joint disc 20 and each semi-ring beam main plate 23;
the inner wedge ring plate 24 is clamped on the inner sides of the two semi-ring beam main plates 23 and is connected with the semi-ring beam main plates 23 in a welding mode, the inner wedge ring plate 24 comprises a plurality of inserting grooves 18 and inner wedge ring plate arc surfaces 19, the inserting grooves 18 are used for being matched with the inserting blocks 6, the inner wedge ring plate arc surfaces 19 are concentric with the inner main plate arc surfaces 17, and the radius of the inner wedge ring plate arc surfaces 19 is smaller than that of the inner main plate arc surfaces 17.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, the anti-rotation joint 3 is inserted into the tower crane attachment pole head 26 and is hinged through the second pin shaft 700, then the round pole of the tower crane attachment pole head 26 is wedged tightly through the two wedge irons 600, so that the anti-rotation joint 3 and the tower crane attachment pole head 26 are connected into a fixed assembly and assembled into a fixed assembly of the anti-rotation joint assembly 1 and the tower crane attachment pole, and the design of the wedge irons 600 can take various sizes of common tower crane attachment pole heads into consideration;
the two semi-ring beams 4 are surrounded and sleeved on a steel column 25, then the two semi-ring beams 4 are connected through a high-strength bolt group 5 penetrating through high-strength bolt holes 15 in the two semi-ring beams 4, after connection, a certain gap is formed between an inner ring part of a ring beam assembly 2 and a steel column 25, at the moment, the total pre-tightening force of the high-strength bolt group 5 cannot act on the steel column 25 and is assembled into a non-fit assembly of the ring beam assembly 2 and the steel column 25, the high-strength bolt group 5 can rotate by rotating the semi-ring beams 4 with the steel column 25 as a center in the installation process to avoid obstacles of surrounding buildings, and enough installation operation space is reserved for the high-strength bolt group 5 (note that the vertical direction of the two semi-ring beams 4 is based on the fact that the large opening of a wedge-shaped opening in a slot 18 is upward);
butt-jointing a fixed combination of an anti-rotation joint assembly 1 and an attachment rod of a tower crane to a ring beam assembly 2, selecting two ring beam reserved pin shaft holes 16 in the ring beam assembly 2 according to an angle position in a horizontal plane of an actually required attachment rod, aligning two ring beam reserved pin shaft holes 16 selected in the ring beam assembly 2 with two ring beam pin shaft holes 10 in the anti-rotation joint assembly 1 by operating the rotation of the ring beam assembly 2 relative to a steel column 25 because the ring beam assembly 2 and the steel column 25 are not jointed, and then, pin-jointing the two ring beam reserved pin shaft holes 16 and the two ring beam pin shaft holes 10 selected by two pin shafts 7, wherein the axis of the attachment rod automatically points to the axis of the steel column 25 after pin-jointing, and assembling the fixed combination of the anti-rotation joint assembly 1 and the ring beam assembly 2;
then, a plurality of wedge-shaped irons 6 are respectively inserted into a plurality of slots 18 in the ring beam assembly 2 from the upper part of the ring beam assembly 2 and are respectively and uniformly wedged, and the wedge-shaped irons 6 generate extruding forces which are uniformly distributed on the periphery of the ring beam assembly 2 and the steel column 25 in the wedging process (note that the wedging force is not too large, and common manual hammering is needed); when the steel column 25 is vertically slightly inclined (the included angle between the longitudinal axis of the column and the vertical direction is less than 5 degrees), the plane of the integral plate of the ring beam assembly 2 is still placed according to the normal posture which is parallel to the horizontal plane, a reserved gap is arranged between the wedge-shaped iron 6 and the slot 18, the wedge-shaped iron 6 can automatically adapt to the slight inclination of the thin-wall circular steel column in the process of being inserted into the slot 18 and wedged tightly, and finally the adhesion device is assembled into the anti-skidding rotary heavy-duty tower crane adhesion device hinged to the thin-wall circular steel column;
compared with the method adopting the hoop structure connection (because the surfaces of the building column and the hoop steel are both non-precise devices, the surfaces of the steel columns 25 are influenced by construction sites and environments, the surfaces of the steel columns 25 are possibly subjected to uncontrollable adverse factors such as corrosion, dust, paint/coating, welding seams, humidity, unevenness and the like, so that the calculation of the friction force between the hoops and the steel columns 25 becomes unreliable, a safety coefficient is required to be reserved during the design, in addition, the uneven stress safety coefficient is required to be considered in the connection design of a plurality of groups of bolts, 60-70% of pre-tightening force is required to be applied to the additional high-strength bolt to ensure the looseness prevention, after the safety coefficient is reserved due to the surface influence, the uneven safety coefficient is multiplied by 60-70%, the total pre-tightening force exceeds the actual facing adhesive force, namely, a group of pre-tightening force larger than the adhesive force is applied to the steel columns 25, and the method is suitable for the stronger columns, the weak column is difficult to implement), the self pretightening force of the high-strength bolt group 5 does not need to generate excessive pretightening force on the thin-wall circular column body due to the design of the inserting block 6, so that the high-strength bolt group is suitable for the weak steel column; meanwhile, the design of the inserting block 6 enables the annular pressure of the steel column 25 to approach to the balanced pressure, so that the weaker column body bears the integral and large-area uniform compression, the overlarge pre-tightening force generated on the steel column 25 by connecting the high-strength bolt prestress is avoided, and the problem that the local anti-extrusion strength of the weaker column body is weaker is solved; meanwhile, the design of the insertion block 6 aims at common vertical slightly-inclined (the included angle between the longitudinal axis of the column and the vertical direction is less than 5 degrees) steel columns, the adjustable steel column has an adjusting and adapting function, the plane of the device is kept to be placed in a parallel and level posture with the horizontal plane, and the pin connection between the device and the head of the attached rod is not influenced;
compared with the conventional method adopting hoop structure connection (the bending modulus of a hoop steel plate is very small, the hoop steel plate can not independently resist horizontal axial push/pull force from an attachment rod, axial pressure acts on a cylinder through a hoop arc plate (a base plate) and then acts on the cylinder through local and unidirectional load, if the steel structure cylinder with relatively weak overall strength (the local compressive strength on the surface is insufficient) such as thin wall/hollow cylinder (hereinafter referred to as a weak cylinder), the hoop can not bear the attachment push/pull force generally, and the hoop is not suitable at the moment;
compared with the conventional hoop structure connection (the situation that the building columns are designed to have different diameters/section sizes at the upper/lower sections of the building is a common situation (basic mechanical logic), when the hoops face columns with different section sizes, plates with different sizes and different radians are required to be manufactured, or a layer of arc-shaped plate is additionally arranged in the same hoop, so that the disadvantages of workload and cost can be caused in any mode), the hoop structure adopts the inserting block 6 to wedge the steel column 25, and has the adjusting function aiming at the common section size variation;
compared with the anchor ear structure connection (installation can only be carried out according to a preset horizontal angle during installation, and the wrench operation space for screwing the screws of installation personnel is influenced when building structure obstacles such as inclined web members and the like exist on the periphery of the column body, because the column body is wrapped by the plate type anchor ear structure, and the basic design space of the bolts (the wrench space) is additionally reserved for ensuring the adhesive force resistance strength, the height of the arc-shaped plate on the vertical surface is often relatively high, so that the anchor ear occupies a larger height space of the column body in the vertical direction, the axial line of the attachment rod cannot keep a smaller distance with the building floors/nodes above/below the column body, the attachment position of the vertical surface of the tower crane is influenced to a certain extent, the anchor ear is formed by the arc-shaped plate, the axial line of the connecting bolt cannot be absolutely close to the side surface of the column body (the diameter of the bolt and the wrench space to be reserved), and the bolt pretightening force generates local bending moment at the flange part, the 'preloading' pressure which causes the anchor ear to form uneven internal clamping tendency on the column is unfavorable for the thin-wall hollow column, the invention (the ring beam assembly 2 and the steel column 25 are not jointed and combined) improves the resistance to peripheral obstacles at the installation position, including the vertical space occupied by the device and the building structure at the periphery of the device;
meanwhile, the invention realizes the following functions through the combined structure design of the ring beam assembly 2 with the wedge-shaped iron 6 arranged inside:
1. the self pretightening force of the high-strength bolt group 5 does not generate excessive pretightening acting force on the thin-wall circular cylinder;
2. the ring beam assembly 2 is freely installed in a state of being sleeved outside the thin-wall circular column body in a hollow mode, so that the operation is convenient, and the operation space obstacle is avoided;
3. the wedge-shaped iron 6 which is loaded later applies centripetal pre-tightening pressure which tends to be evenly distributed along the circumferential direction to the thin-wall circular cylinder, and the pre-tightening pressure does not need to be too large and is fixed;
5. the length of the wedge-shaped iron 6 in the vertical direction plays a role in pressure dissipation, so that the pressure on the thin-wall circular column is further reduced and optimized;
6. the wedge-shaped iron 6 can be slightly adjusted in relative position through a reserved gap between the wedge-shaped iron and the slot 18, so that the adaptation to a micro-inclined column in a general building is realized, the attitude of the ring beam assembly 2 is kept horizontal, and the design and processing difficulty of the connection of the ring beam assembly 2 and the attachment rod is simplified;
7. the wedge-shaped iron 6 with different thicknesses is processed, so that the method is suitable for columns with different diameters on the upper/lower sections of a common building body;
meanwhile, in the anti-rotation joint 3, three parts of the tower crane attachment rod head, the anti-rotation joint 3 and the ring beam assembly 2 are connected into a fixed component through a pin shaft connection pair (a second pin shaft 700) and two wedge iron connection pairs (wedge irons 600), the rotation direction freedom degree of the ring beam assembly 2 on the column body is eliminated, and meanwhile, the geometric positions of two ring beam connection pin shaft holes 10 in the anti-rotation joint 3 ensure that the attachment rod axis points to the column body axis after the pin shaft 7 is installed, so that the attachment rod pushing/pulling force does not cause moment in the horizontal plane to the ring beam assembly 2, and finally the ring beam assembly 2 is ensured not to slide on the column body;
meanwhile, a plurality of ring beam reserved pin shaft holes 16 are formed in the ring beam assembly 2 and are used for connecting the most common single rod and double rods in the tower crane attachment rod, two ring beam reserved pin shaft holes 16 are used for the single rod, and three or four ring beam reserved pin shaft holes 16 are used for the double rods. Meanwhile, when the whole bending strength of the column body is too weak, the device can be installed on the peripheral column body, the attachment rods are used for performing drawknot through the pin shaft holes 16 reserved in other ring beams in the ring beam assembly 2, and the adhesion force of the tower crane is resisted through multiple groups of column bodies.
Example 3
On the basis of embodiment 1 or 2, the method further comprises the following steps:
the ring beam assembly 2 is sleeved with a rainwater flow guide mechanism 27, the rainwater flow guide mechanism 27 comprises two flow guide shells 28 which are symmetrically arranged, bolt connecting lugs 280 are arranged on the two flow guide shells 28, the two flow guide shells 28 are mutually matched and connected through the bolt connecting lugs 280 and bolts, and the rainwater flow guide mechanism 27 is used for guiding rainwater;
a clamping mechanism mounting cavity 281 and a steel column mounting cavity 3009 are arranged in the diversion housing 28, the steel column mounting cavity 3009 is used for accommodating a steel column 25, a clamping assembly 29 and a clamping release assembly 30 are arranged in the clamping mechanism mounting cavity 281, and the clamping release assembly 30 controls the clamping assembly 29 to work by releasing and locking the clamping assembly 29;
the clamping assembly 29 comprises a guide rod 290 and a mounting rod 291, the guide rod 290 and the mounting rod 291 are fixedly connected in the clamping mechanism mounting cavity 281, the guide rod 290 is sleeved with a sliding sleeve 292 and a first elastic member 293, the sliding sleeve 292 is slidably connected to the guide rod 290, a first driving member is arranged on the sliding sleeve 292 and used for driving the sliding sleeve 292 to slide along the guide rod 290, the mounting rod 291 is rotatably connected with a first pulley 294 and a second pulley 295, a toothed belt 296 is arranged between the first pulley 294 and the second pulley 295, the toothed belt 296 is in frictional connection with the first pulley 294 and the second pulley 295, a connecting bent rod 287 is fixedly connected to the inner side of the toothed belt, one end of the connecting bent rod 287, which is far away from the toothed belt 296, is fixedly connected to the sliding sleeve 292, a first engaging tooth 297 is arranged on the toothed belt 296, and a mounting seat 298 is fixedly connected to the mounting rod 291, an engaging gear 299 is rotatably connected to the mounting seat 298, the engaging gear 299 is engaged with the first engaging gear 297, a guide block 283 is fixedly connected to the inner wall of the clamping mechanism mounting cavity 281 through a connecting rod 282, a clamping pipe 284 is sleeved outside the guide block 283, second engaging teeth 285 are fixedly connected to the clamping pipe 284, the second engaging teeth 285 are engaged with the engaging gear 299, and an arc-shaped clamping plate 286 is fixedly connected to one end, located outside the clamping mechanism mounting cavity 281, of the clamping pipe 284;
the clamping release assembly 30 comprises a release housing 300, a release execution gear 3000 and a release cam 3001 are connected in the release housing 300 in a rotating manner, a release guide rod 3002 is fixedly connected to the release housing 300, a sliding frame 3003 is sleeved on the release guide rod 3002, a second elastic piece 3006 is sleeved on the release guide rod 3002, the sliding frame 3003 is located at one end outside the release housing 300 and is provided with a first locking block 3004, the first locking block 3004 is used for being matched with a second locking block 3005 on the sliding sleeve 292, the sliding frame 3003 is located at one end inside the release housing 300 and is provided with a disc body 301, a release execution rack 3006 is connected to the release housing 300 in a sliding manner, the release execution rack 3006 is meshed with the release execution gear 3000 in a mutually meshed manner, the release execution rack 3006 is far away from one end of the release housing 300 is provided with a movable driving piece 3007, the movable driving piece 3007 is used for driving the release execution rack 3006 to slide, a portion of the release actuator rack 3006 between the movable driving member 3007 and the release housing 300 is sleeved with a third elastic member 3008.
The working principle and the beneficial effects of the technical scheme are as follows: when in use, the steel column 25 is clamped in the two diversion shells 28, and then the two diversion shells 28 are connected through the mutual matching of the bolt connecting lug 280 and the bolt;
then the movable driving member 3007 drives the release executing rack 3006 to slide, the release executing rack 3006 drives the release executing gear 3000 to rotate, the release executing gear 3000 rotates to drive the release cam 3001 to rotate, the release cam 3001 rotates to push the disc 301 to move upwards, the disc 301 moves upwards to drive the sliding frame 3003 to move upwards, the sliding frame 3003 moves upwards to change the first locking block 3004 from the clamped state to the released state of the second locking block 3005, then the first driving member drives the sliding sleeve 292 to slide along the guide rod 290, the sliding sleeve 292 slides along the guide rod 290 to drive the toothed belt 296 under the action of the connecting curved rod 287, the first pulley 294 and the second pulley 295 rotate during the transmission of the toothed belt 296, the toothed belt 296 drives the engaging gear 299 to rotate under the action of the first engaging tooth 297, the meshing gear 299 rotates to drive the clamping tube 284 to move under the action of the second meshing teeth 285, and the clamping tube 284 moves to enable the side face of the steel column 25 to be clamped by the arc-shaped clamping plates 286;
wherein the clip release assembly 30 is designed to act as a "switch" for the clip assembly 29, to prevent finger pinching due to inadvertent actuation of the clip assembly 29 (or inadvertent actuation of the clip assembly 29 when the position of the pod 28 is not adjusted), to act as a safety feature for the clip assembly 29, wherein, when the movable driving member 3007 is damaged, the release execution rack 3006 can be directly pushed by hand to operate the clamping release assembly 30, the design of the release guide 3002 in the clip release assembly 30 provides for more smooth translation of the sliding bracket 3003, the first elastic member 293 is designed to make the movement of the sliding sleeve 292 more smooth, the guide block 283 is designed to allow the clamp pipe 284 to run more smoothly, and the second engagement teeth 285, the engagement gear 299 and the first engagement teeth 297 are designed so that the movement of the arc-shaped clamping plate 286 is more accurate;
the rainwater flows down rapidly through the diversion shell 28, so that the anti-skid rotary type heavy-duty tower crane attachment device hinged to the thin-wall circular steel column is prevented from being corroded and rusted due to the rainwater, and the service life of the anti-skid rotary type heavy-duty tower crane attachment device hinged to the thin-wall circular steel column is prolonged.
Example 4
On the basis of embodiment 1 or 2, the connecting mechanism 31 includes a mounting support 310, the mounting support 310 is connected to the anti-rotation joint 3 through a bolt, a connecting mechanism housing 311 is connected to the mounting support 310 in a sliding manner, a hammering assembly 302 and a connecting actuating rod 313 are arranged in the connecting mechanism housing 311, and the hammering assembly 302 is used for hammering the connecting actuating rod 313;
an adjusting sliding groove 3100 is arranged on the mounting support 310, an adjusting sliding block 3101 is arranged on the connecting mechanism shell 311, and a second driving piece is arranged on the adjusting sliding block 3101 and is used for driving the adjusting sliding block 3101 to slide along the adjusting sliding groove 3100;
the hammer assembly 302 includes a male land 3020, the male land 3020 being fixedly attached within the coupling mechanism housing 311, a hammer table 3021 is slidably connected vertically in the convex table 3020, the hammer table 3021 includes a rod body 3022 and a table body 3023, a fifth elastic element 3027 is arranged between the rod body 3022 and the convex platform 3020, the rod body 3022 is slidably connected in the convex table 3020, the table body 3023 is provided with two symmetrically arranged hammering guide holes 3024, a hammering guide rod 3025 corresponding to the hammering guide hole 3024 is fixedly connected in the connecting mechanism housing 311, the hammering guide rod 3025 is sleeved in the hammering guide hole 3024, a hammering cam 3026 is rotatably connected in the connecting mechanism housing 311, a third driving piece is arranged on the hammering cam 3026 and is used for driving the hammering cam 3026 to rotate, and two symmetrically arranged buffering assemblies 314 are arranged on the bottom surface of the table body 3023;
the buffer assembly 314 comprises a first buffer connecting rod 3140 and a second buffer connecting rod 3141, one end of the first buffer connecting rod 3140 and one end of the second buffer connecting rod 3141 are hinged to the bottom of the table body 3023, one end of the first buffer connecting rod 3140 and one end of the second buffer connecting rod 3141, which are far away from the table body 3023, are respectively hinged with a first buffer sliding block 3142 and a second buffer sliding block 3143, the first buffer sliding block 3142 and the second buffer sliding block 3143 are slidably connected in a buffer sliding groove 3144 in the connecting mechanism housing 311, and a fourth elastic piece 3145 is fixedly connected between the first buffer sliding block 3142 and the second buffer sliding block 3143;
a T-shaped hammering rod 3147 is fixedly connected in the rod body 3022 through a connecting groove 3146, and a sixth elastic member 3148 is sleeved on the T-shaped hammering rod 3147.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, aligning two ring beam reserved pin shaft holes 16 selected in a ring beam assembly 2 with two ring beam pin shaft holes 10 in an anti-rotation joint assembly 1, and then connecting the two ring beam reserved pin shaft holes 16 selected with the two ring beam pin shaft holes 10 through a connecting mechanism 31;
when the connecting mechanism 31 is used, the third driving piece drives the hammering cam 3026 to rotate, the hammering cam 3026 rotates the hammering table body 3023, so that the table body 3023 moves downwards, the table body 3023 moves downwards to drive the rod body 3022 to hammer the connecting actuating rod 313, so that the connecting actuating rod 313 can be matched with the ring beam reserved pin hole 16 and the two ring beam pin holes 10, and the connection between the ring beam assembly 2 and the anti-rotation joint assembly 1 is realized;
or when the third driving element or the hammering cam 3026 fails, the T-shaped hammering rod 3147 is manually knocked, so that the T-shaped hammering rod 3147 knocks the hammering table 3021 to drive the hammering table 3021 to move downwards, the hammering table 3021 moves downwards to drive the connection execution rod 313 to move downwards, the connection execution rod 313 is matched with the ring beam reserved pin hole 16 and the two ring beam pin hole 10, the connection between the ring beam assembly 2 and the anti-rotation joint assembly 1 is realized, the design of the connection mechanism 31 is compared with the conventional design that the connection between the ring beam assembly 2 and the anti-rotation joint assembly 1 is realized by using a pin, the carrying of connecting elements such as a pin shaft is avoided, and meanwhile, when the third driving element or the hammering cam 3026 fails, the connection between the ring beam assembly 2 and the anti-rotation joint assembly 1 can be realized without using a hammering tool, the connection between the ring beam assembly 2 and the anti-rotation joint assembly 1 is realized by adopting the connecting mechanism 31, the whole process is simple, convenient and quick, and no redundant parts (such as pin shafts) are needed;
the fifth elastic member 3027 allows the hammering table 3021 to be reset in time to prepare for the next hammering during the downward hammering of the connection actuating rod 313, and the sixth elastic member 3148 is designed to reduce vibration and prevent more vibration from being transmitted to the connection mechanism housing 311 during the hammering of the T-shaped hammering rod 3147;
when the hammering cam 3026 hammers the table body 3023, the vibration transmitted to the connecting mechanism housing 311 through the buffer assembly 314 is absorbed through the buffer assembly 314 during the transmission process, and meanwhile, the table body 3023 runs more smoothly during the downward movement due to the design of the buffer assembly 314, and the table body 3023 runs more smoothly due to the design of the hammering guide rod 3025 during the downward movement while the running track of the table body 3023 is more accurate, so that the reliability of the connecting mechanism 31 is improved.
Example 5
On the basis of embodiment 1 or 2, the method further comprises the following steps:
the wedging critical alarm system is arranged on the ring beam assembly 2 and used for monitoring the wedging state of the ring beam assembly 2 on the steel column 25 and giving an alarm prompt when the steel column 25 is in an abnormal wedging state;
the wedging threshold warning system comprises:
the pressure sensors are correspondingly arranged on the inclined surface (namely the contact surface of the insert 6 and the steel column 25) of the insert 6 (the insert 6 is a wedge-shaped block) one by one and are used for detecting the pressure of the steel column 25 on the inclined surface of the insert 6;
the controller, the alarm, the controller with pressure sensor with the alarm electricity is connected, the controller is based on pressure sensor control the alarm is reported to the police, including following step:
the method comprises the following steps: calculating the actual wedging coefficient of the steel column 25 based on the pressure sensor and equation (1):
Figure BDA0003436058870000181
wherein,
Figure BDA0003436058870000182
is the actual wedging coefficient of the steel column 25, FiIs the detection value of the ith pressure sensor, n is the number of the insert blocks 6, theta is the included angle between the inclined plane corresponding to the insert blocks 6 and the vertical direction, sin is a sine function, epsilon is a deviation correction coefficient corresponding to theta (used for correcting the condition that the actual installation direction of the insert blocks 6 has angle deviation with the preset installation direction, namely the vertical direction), e is a natural number, the value is 2.72,
Figure BDA0003436058870000183
setting a preset positive pressure of the inserted block 6 on the side surface of the steel column 25, wherein H is the actual length of the inserted block 6, and H isiIs the distance h between the upper surface of the ith insert block 6 and the upper surface of the semi-ring beam main plate 23 of the ring beam assembly 20For a predetermined wedging depth of the insert 6 (i.e. a predetermined length of the insert 6 below the upper surface of the ring beam assembly 2),
Figure BDA0003436058870000184
the actual wedging depth of the insert 6 (i.e. the actual length of the insert 6 below the upper surface of the ring beam assembly 2);
step two: calculating the actual comprehensive wedging safety coefficient of the steel column (25) based on the step I and the formula (2):
Figure BDA0003436058870000185
wherein,
Figure BDA0003436058870000186
for practical comprehensive wedging safety factors for the steel column 25,
Figure BDA0003436058870000187
for the actual wedge coefficient of the steel column 25,
Figure BDA0003436058870000188
is the actual uneven coefficient of wedging of the steel column 25, Fi+1Is the detection value of the (i + 1) th pressure sensor (wherein, Fi+1、FiIs an adjacent pressure sensor),
Figure BDA0003436058870000189
for corresponding preset detection differences, F, adjacent to said pressure sensormaxIs a maximum of a plurality of said pressure sensors, FminIs the minimum of a number of said pressure sensors;
step three: and the controller compares the actual comprehensive wedging safety coefficient of the steel column 25 with the actual comprehensive wedging critical safety coefficient of the steel column 25, and if the actual comprehensive wedging safety coefficient of the steel column 25 is greater than the actual comprehensive wedging critical safety coefficient of the steel column 25, the alarm gives an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: let i be 6; n is 5; theta is 30 degrees; epsilon is 1.2; f1＝6N；F2＝5.5N；F3＝7N；F4＝8N；F5＝7.5N；F6＝6N；
Figure BDA0003436058870000191
H＝0.06m；h1＝0.05m；h2＝0.04m；h3＝0.03m；h4＝0.04m；h5＝0.05m；h6＝0.04m；h0＝0.04m；
Figure BDA0003436058870000192
Figure BDA0003436058870000193
Fmax＝8N；Fmin5.5N; to obtain
Figure BDA0003436058870000194
Assuming that the actual comprehensive wedging critical safety factor of the steel column 25 is 1.0, the controller controls the alarm to give an alarm at the moment, so that the inserting block 6 is proved to be excessively wedged with the steel column 25, an operator is reminded of not excessively wedging the steel column, and the steel column 25 is prevented from being excessively wedged to cause damage to the steel column 25;
epsilon is introduced when the actual wedging coefficient of the steel column 25 is calculated, so that the calculation result is closer to the actual result, and the actual wedging coefficient of the steel column 25 is not considered when the actual comprehensive wedging safety coefficient of the steel column 25 is calculated
Figure BDA0003436058870000195
In addition, the actual uneven wedging coefficient of the steel column 25 is considered
Figure BDA0003436058870000196
The calculation result is more accurate, and the design of the wedging critical alarm system avoids the occurrence of the excessive wedging condition of the steel column 25 in the wedging process.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides a articulate in anti-skidding commentaries on classics formula heavy tower machine attachment device of circular steel column of thin wall, its characterized in that, including preventing changeing joint assembly (1) and ring beam assembly (2), prevent changeing joint assembly (1) and ring beam assembly (2) and pass through coupling mechanism (31) and be connected, prevent changeing joint assembly (1) and be used for connecting tower machine and adhere to pole head (26), be equipped with a plurality of slots (18) on ring beam assembly (2), the wedging of steel column (25) is fixed through the cooperation realization steel column (25) of a plurality of inserts (6) and slot (18).
2. The anti-slip rotating type heavy tower crane attachment device hinged to the thin-walled circular steel column as claimed in claim 1, wherein the connecting mechanism (31) is a first pin (7), the first pin (7) penetrates through the anti-rotation joint assembly (1) and the ring beam assembly (2), the insert block (6) is a wedge-shaped block, and the slot (18) is a wedge-shaped slot.
3. The anti-slip and anti-rotation type attachment device for the heavy-duty tower crane hinged to the thin-wall circular steel column as claimed in claim 1, wherein the anti-rotation joint assembly (1) comprises an anti-rotation joint (3), two wedges (600) and a second pin (700), and two wedge square jacks (8), a connecting rod head pin hole (9) and two connecting ring beam pin holes (10) are arranged on an anti-rotation joint main board (11) of the anti-rotation joint assembly (1).
4. The anti-skid rotary heavy-duty tower crane attachment device hinged to the thin-wall circular steel column according to claim 3, wherein the second pin shaft (700) penetrates through a pin shaft hole (9) and is inserted into a tower crane attachment rod head (26), the wedge irons (600) are inserted into wedge iron square insertion holes (8), the tower crane attachment rod is wedged between the two wedge irons (600), and the connecting ring beam pin shaft hole (10) is used for being matched with the ring beam reserved pin shaft hole (16) and the first pin shaft (7) to realize connection of the anti-rotation joint assembly (1) and the ring beam assembly (2).
5. The anti-slip and anti-rotation type heavy tower crane attachment device hinged to the thin-wall circular steel column according to claim 3, wherein the anti-rotation joints (3) comprise two anti-rotation joint main boards (11), the two anti-rotation joint main boards (11) are connected with the two anti-rotation joint longitudinal vertical support plates (14) in a welded manner through anti-rotation joint transverse vertical support plates (12), and two anti-rotation joint outer reinforcing rib plates (13) in a symmetrical manner are arranged outside the two anti-rotation joint main boards (11).
6. The anti-skid rotary heavy tower crane attachment device hinged to thin-walled circular steel column according to claim 1, wherein the ring beam assembly (2) comprises two semi-ring beams (4) and high-strength bolt groups (5), and the two semi-ring beams (4) are fixedly connected through the high-strength bolt groups (5).
7. The anti-skid rotary heavy duty tower crane attachment apparatus of claim 6 hinged to the thin wall circular steel column, characterized in that the semi-ring beam (4) comprises two semi-ring beam main plates (23), a plurality of ring inner frame vertical plates (22) are arranged between the two semi-ring beam main plates (23), the ring inner frame vertical plate (22) is welded with the semi-ring beam main plate (23), the semi-ring beam main plate (23) comprises a plurality of ring beam reserved pin shaft holes (16) and a main plate inner arc surface (17), the two ends of the semi-ring beam main plate (23) are welded with semi-ring beam butt-joint discs (20), a plurality of high-strength bolt holes (15) are arranged on the semi-ring beam butt joint disc (20), the high-strength bolt holes (15) are used for being matched with the high-strength bolt groups (5) to realize the connection between the two semi-ring beams (4), two symmetrically arranged flange reinforcing rib plates (21) are arranged between the semi-ring beam butt joint flange (20) and the semi-ring beam main plate (23);
the wedge-shaped port inner ring plate (24) is clamped on the inner sides of the two semi-ring beam main plates (23) and is in welded connection with the semi-ring beam main plates (23), the wedge-shaped port inner ring plate (24) comprises a plurality of inserting grooves (18) and wedge-shaped port plate inner arc surfaces (19), the inserting grooves (18) are used for being matched with the inserting blocks (6), the wedge-shaped port plate inner arc surfaces (19) are concentric with the main plate inner arc surfaces (17), and the radius of the wedge-shaped port plate inner arc surfaces (19) is smaller than that of the main plate inner arc surfaces (17).
8. The anti-skid rotary heavy duty tower crane attachment apparatus of claim 1, further comprising a plurality of attachment members each adapted to be attached to a respective one of the thin wall circular steel columns,
the rainwater diversion mechanism (27) is sleeved on the ring beam assembly (2), the rainwater diversion mechanism (27) comprises two symmetrically arranged diversion shells (28) and two bolt connection lugs (280) are arranged on the diversion shells (28), two the diversion shells (28) are mutually matched through the bolt connection lugs (280) and bolts to realize connection, and the rainwater diversion mechanism (27) is used for diversion of rainwater.
9. The anti-skid rotary heavy duty tower crane attachment apparatus of claim 8, wherein the attachment apparatus comprises a plurality of thin wall circular steel columns,
a clamping mechanism mounting cavity (281) and a steel column mounting cavity (3009) are arranged in the diversion shell (28), the steel column mounting cavity (3009) is used for accommodating a steel column (25), a clamping assembly (29) and a clamping release assembly (30) are arranged in the clamping mechanism mounting cavity (281), and the clamping release assembly (30) controls the clamping assembly (29) to work by releasing and locking the clamping assembly (29);
the clamping assembly (29) comprises a guide rod (290) and an installation rod (291), the guide rod (290) and the installation rod (291) are fixedly connected in the clamping mechanism installation cavity (281), a sliding sleeve (292) and a first elastic piece (293) are sleeved on the guide rod (290), the sliding sleeve (292) is connected to the guide rod (290) in a sliding manner, a first driving piece is arranged on the sliding sleeve (292) and used for driving the sliding sleeve (292) to slide along the guide rod (290), a first belt wheel (294) and a second belt wheel (295) are connected to the installation rod (291) in a rotating manner, a toothed belt (296) is arranged between the first belt wheel (294) and the second belt wheel (295), the toothed belt (296) is in friction connection with the first belt wheel (294) and the second belt wheel (295), and a connecting bent rod (287) is fixedly connected to the inner side of the toothed belt (296), one end of the connecting bent rod (287) far away from the toothed belt (296) is fixedly connected to the sliding sleeve (292), a first meshing tooth (297) is arranged on the toothed belt (296), a mounting seat (298) is fixedly connected to the mounting rod (291), a meshing gear (299) is rotatably connected to the mounting seat (298), the meshing gear (299) is meshed with the first meshing teeth (297), the inner wall of the mounting cavity (281) of the clamping mechanism is fixedly connected with a guide block (283) through a connecting rod (282), a clamping pipe (284) is sleeved outside the guide block (283), a second meshing tooth (285) is fixedly connected to the clamping pipe (284), the second meshing tooth (285) and the meshing gear (299) mesh with each other, one end of the clamping pipe (284) positioned outside the clamping mechanism installation cavity (281) is fixedly connected with an arc-shaped clamping plate (286);
the clamping release assembly (30) comprises a release casing (300), a release execution gear (3000) and a release cam (3001) are connected in the release casing (300) in a rotating manner, a release guide rod (3002) is fixedly connected to the release casing (300), a sliding frame (3003) is sleeved on the release guide rod (3002), a second elastic piece (3006) is sleeved on the release guide rod (3002), the sliding frame (3003) is located at one end outside the release casing (300) and is provided with a first locking block (3004), the first locking block (3004) is used for being matched with a second locking block (3005) on the sliding frame (292), the sliding frame (3003) is located at one end inside the release casing (300) and is provided with a disc body (301), a release execution rack (3006) is connected to the release casing (300) in a sliding manner, the release execution rack (3006) is meshed with the release execution gear (3000), one end, far away from the release shell (300), of the release execution rack (3006) is provided with a movable driving piece (3007), the movable driving piece (3007) is used for driving the release execution rack (3006) to slide, and a third elastic piece (3008) is sleeved on a part, located between the movable driving piece (3007) and the release shell (300), of the release execution rack (3006).
10. The anti-skid rotary heavy duty tower crane attachment apparatus of claim 1, further comprising a plurality of attachment members each adapted to be attached to a respective one of the thin wall circular steel columns,
the connecting mechanism (31) comprises a mounting support (310), the mounting support (310) is connected to the anti-rotation joint (3) through a bolt, a connecting mechanism shell (311) is connected onto the mounting support (310) in a sliding mode, a hammering assembly (302) and a connecting execution rod (313) are arranged in the connecting mechanism shell (311), and the hammering assembly (302) is used for hammering the connecting execution rod (313);
an adjusting sliding groove (3100) is formed in the mounting support (310), an adjusting sliding block (3101) is arranged on the connecting mechanism shell (311), a second driving piece is arranged on the adjusting sliding block (3101), and the second driving piece is used for driving the adjusting sliding block (3101) to slide along the adjusting sliding groove (3100);
the hammering component (302) comprises a convex table (3020), the convex table (3020) is fixedly connected in the connecting mechanism shell (311), a hammering table (3021) is connected in the convex table (3020) in an up-down sliding manner, the hammering table (3021) comprises a rod body (3022) and a table body (3023), a fifth elastic member (3027) is arranged between the rod body (3022) and the convex table (3020), the rod body (3022) is connected in the convex table (3020) in a sliding manner, two symmetrically arranged hammering guide holes (3024) are arranged on the table body (3023), a hammering guide rod (3025) corresponding to the hammering guide hole (3024) is fixedly connected in the connecting mechanism shell (311), the hammering guide rod (3025) is sleeved in the hammering guide hole (3024), a hammering cam (3026) is rotationally connected in the connecting mechanism shell (311), and a third driving member is arranged on the hammering cam (3026), the third driving piece is used for driving the hammering cam (3026) to rotate, and two symmetrically arranged buffering assemblies (314) are arranged on the bottom surface of the table body (3023);
the buffer assembly (314) comprises a first buffer connecting rod (3140) and a second buffer connecting rod (3141), one end of the first buffer connecting rod (3140) and one end of the second buffer connecting rod (3141) are hinged to the bottom of the table body (3023), one end, far away from the table body (3023), of the first buffer connecting rod (3140) and one end, far away from the table body (3023), of the second buffer connecting rod (3141) are respectively hinged to a first buffer sliding block (3142) and a second buffer sliding block (3143), the first buffer sliding block (3142) and the second buffer sliding block (3143) are connected in a buffer sliding groove (3144) in the connecting mechanism shell (311) in a sliding manner, and a fourth elastic piece (3145) is fixedly connected between the first buffer sliding block (3142) and the second buffer sliding block (3143);
the novel hammer is characterized in that a T-shaped hammering rod (3147) is fixedly connected into the rod body (3022) through a connecting groove (3146), and a sixth elastic piece (3148) is sleeved on the T-shaped hammering rod (3147).
CN202111614507.2A 2021-12-27 2021-12-27 Anti-skidding rotary heavy-duty tower crane attachment device hinged to thin-wall circular steel column Pending CN114426249A (en)

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CN202111614507.2A CN114426249A (en) 2021-12-27 2021-12-27 Anti-skidding rotary heavy-duty tower crane attachment device hinged to thin-wall circular steel column

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CN202111614507.2A CN114426249A (en) 2021-12-27 2021-12-27 Anti-skidding rotary heavy-duty tower crane attachment device hinged to thin-wall circular steel column

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115070462A (en) * 2022-06-22 2022-09-20 四川航天长征装备制造有限公司 Milling fixture for flexible variable cylinder thin-wall parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115070462A (en) * 2022-06-22 2022-09-20 四川航天长征装备制造有限公司 Milling fixture for flexible variable cylinder thin-wall parts

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