CN110577157A - Ultrahigh-rise external hanging movable arm tower crane support frame and construction method thereof - Google Patents
Ultrahigh-rise external hanging movable arm tower crane support frame and construction method thereof Download PDFInfo
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- CN110577157A CN110577157A CN201910938541.1A CN201910938541A CN110577157A CN 110577157 A CN110577157 A CN 110577157A CN 201910938541 A CN201910938541 A CN 201910938541A CN 110577157 A CN110577157 A CN 110577157A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/208—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
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- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
the invention discloses a tower crane support frame with a movable arm hung outside an ultrahigh layer, which comprises a support beam, wherein a reinforcing beam is movably connected onto the support beam, fixing devices are arranged at the end parts of the support beam and the reinforcing beam, and a tower body is fixed on the surface of the support beam, which is far away from the reinforcing beam, through bolts; through the cooperation of angular positioning device and mounting, make constructor adjust the radial position of bolt hole according to the relative position of a pre-buried section of thick bamboo, and then make the bolt hole can with the centering of a pre-buried section of thick bamboo, make things convenient for constructor to install this support frame, the suitability of this support frame has been increased, ensure that this support frame can accomplish the installation smoothly, need not dismantle fixing device in this support frame installation, the customization, the installation, time and labor saving, the installation rate of this support frame has been accelerated, and then construction speed has been increased, fixing device can used repeatedly simultaneously, the problem of wasting of resources has been stopped, the practicality of this support frame has been improved.
Description
Technical Field
The invention relates to the field of super high-rise external hanging movable arm tower crane support frames, in particular to a super high-rise external hanging movable arm tower crane support frame and a construction method thereof.
Background
The tower crane is the most commonly used hoisting equipment on the construction site, also called tower crane, which is elevated in a mode of one section by one section and is used for lifting construction raw materials such as reinforcing steel bars, wooden ridges, concrete, steel pipes and the like for construction, the tip of the tower crane has the function of bearing the upper load transmitted by a boom guy rope and a balance arm guy rope and directly transmitted to a tower body structure through a rotary tower frame, a rotary table, a bearing seat and other structural components through the rotary table, the top of the self-elevating tower is provided with a truncated cone column type, a forward or backward inclined truncated cone column type, a herringbone frame type and an inclined support frame type, the upper slewing tower crane is provided with a balance weight which has the function of supporting the balance weight to form a balance moment which is opposite to the direction of the hoisting moment in design, besides the balance weight, a hoisting mechanism is also usually arranged at the tail part of the tower crane and the balance arm together with the balance weight, and can play part, the distance between the rope reel and the tower tip guide wheel is increased to the row of being favorable to wire rope is around and avoid taking place indiscriminate rope phenomenon, and the quantity of balanced heavy weight is in inverse proportion relation with the length of balance arm, and has certain proportional relation again between balance arm length and the jib loading boom length, and balanced weight is considerable, and light-duty tower machine generally needs 3 ~ 4t at least, and heavy nearly 30t, the tower crane is the equipment that is indispensable on the building site.
the existing tower crane mainly has two installation modes of an inner climbing type and an outer hanging type, wherein most of the outer hanging type tower cranes adopt an attachment type, namely, the tower cranes take roots from a ground foundation and are lifted cumulatively by a tower crane standard knot, and because a certain distance is reserved between the tower cranes and a building, all the tower cranes need to be connected with the building through a support frame in order to ensure the stability of the tower cranes, the existing support frame mainly comprises a pre-buried cylinder, a fixed disc, a supporting beam and a reinforcing beam, the fixed disc is connected with the end parts of the supporting beam and the reinforcing beam, the fixed disc is provided with a fixed bolt hole which can not be fixed, the fixed disc is connected with the pre-buried cylinder through a bolt, however, the relative position of the pre-buried cylinder is easy to deviate in the construction process, the pre-buried cylinder with the deviation generated in the relative position can not correspond to, waste time and energy, the installation rate is slow, has reduced construction speed, and the fixed disk can not used repeatedly moreover, has caused the wasting of resources, consequently need design a superelevation layer outer swing arm tower crane support frame urgently.
disclosure of Invention
1. Technical problem to be solved
aiming at the existing tower cranes in the prior art, the existing tower cranes mainly have two installation modes of an inner climbing type and an outer hanging type, wherein the outer hanging type tower crane mostly adopts an attached type, namely, the tower crane takes root from a ground foundation and is lifted by a tower crane standard knot in an accumulated way, and because a certain distance is reserved between the tower crane and a building, all the tower cranes need to be connected with the building through a support frame in order to ensure the stability of the tower crane, the existing support frame mainly comprises an embedded cylinder, a fixed disc, a support beam and a reinforcing beam, the fixed disc is connected with the end parts of the support beam and the reinforcing beam, the fixed disc is provided with fixed bolt holes, and is connected with the embedded cylinder through bolts, but the relative position of the embedded cylinder is easy to deviate in the construction process, the embedded cylinder with the deviation generated in the relative position cannot correspond to the, the invention aims to provide an ultrahigh-layer externally-hung movable arm tower crane support frame and a construction method thereof, which can well solve the problems in the background art.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a super high-rise outer swing arm tower crane support frame, includes a supporting beam, swing joint has the reinforcing beam on the supporting beam, and the tip of a supporting beam and reinforcing beam all is equipped with fixing device, and the face bolt that reinforcing beam was kept away from to a supporting beam is fixed with the body of the tower.
Preferably, fixing device includes hollow fixed disk, the activity interlude has the regulating spindle on the right flank of hollow fixed disk, the right-hand member of regulating spindle is connected with the keysets, the left end bolted connection of keysets and a supporting beam, the outside fixed spacing collar that is located hollow fixed disk inside has been cup jointed to the keysets, the inner wall contact of spacing collar and hollow fixed disk is connected, the adjustment tank has been seted up on the surface of hollow fixed disk, the left surface of hollow fixed disk inner chamber is connected with the fixing base, the other end of fixing base is connected with angle stop device, the inside of hollow fixed disk is equipped with angle positioning device.
Preferably, the angle limiting device comprises a shell, the shell is connected with one end of the fixing seat, a slot is formed in the side surface of the shell, a triangular guide plate is connected to the inner wall of the shell, a winding shaft is movably inserted in the front surface of the shell, the front end of the winding shaft is connected with one end of the adjusting shaft, an outer cylinder is movably sleeved outside the winding shaft, the end portion of the outer cylinder is connected with the inner wall of the shell, an arc-shaped elastic sheet and a strip-shaped track are connected to the side surface of the outer cylinder, the strip-shaped track is connected with the inner wall of the shell, an arc-shaped ratchet plate is arranged inside the shell, the inner surface of the arc-shaped ratchet plate is in contact connection with the end portion of the arc-shaped elastic sheet, teeth on the arc-shaped ratchet plate penetrate through the slot and extend to the outside of the shell, the end surface of the arc-shaped ratchet plate is in sliding connection with the inner, the other end of the transmission rope extends to the inside of the outer barrel and is fixedly connected with the winding shaft.
preferably, angle positioning device includes the sector plate, the top surface of sector plate and the inner wall sliding connection of hollow fixed disk, the draw-in groove has been seted up to the bottom surface of sector plate, draw-in groove activity joint is in the outside of shell, the top surface of draw-in groove inner chamber is connected with the joint shell fragment, the tooth meshing on joint shell fragment and the arc ratchet plate, the inside activity interlude of sector plate has the ring, force application spring has been cup jointed in the outside activity of ring, force application spring's tip is connected with the sector plate, the mounting groove has been seted up to the top surface of sector plate, the inner wall of mounting groove is connected with straight type ratchet plate, the underrun of mounting groove inner chamber is connected with the mounting through ejecting spring drive, the underrun of.
Preferably, the mounting includes the fixed plate, the bottom activity of fixed plate is pegged graft in the inside of mounting groove, the bottom surface and the top of ejecting spring and spacing rope of fixed plate are connected, the Y type perforation has been seted up to the inside of fixed plate, fixed chamber and installation cavity, the Y type perforation all communicates with fixed chamber and installation cavity, the inside of fixed chamber is equipped with adjusting device, the inside of installation cavity is equipped with latch device, the track groove has been seted up to the side of fixed plate, the compensation groove has been seted up on the inner wall in track groove, the bolt hole has been seted up on the fixed plate, the back connection of fixed plate has the compensation piece, the bolt hole runs through the compensation piece, the inside activity of bolt hole is pegged graft and is had fixing bolt.
preferably, adjusting device includes rotatory section of thick bamboo and lower ring gear, the bottom of rotatory section of thick bamboo cup joints with the bottom surface activity of fixed intracavity chamber, the top of rotatory section of thick bamboo extends to the outside of fixed plate, the guide way has been seted up to the inner wall of rotatory section of thick bamboo, the underrun of rotatory section of thick bamboo inner chamber is connected with the rotary rod through the tension spring transmission, the side of rotary rod is connected with the track strip, track strip sliding clamping connects the inside at the guide way, the fixed driving cap that has cup jointed in top of rotary rod, the external fixation of rotatory section of thick bamboo has cup jointed the take-up pulley that is located fixed intracavity portion, the top surface of driving cap inner chamber is connected with last ring gear, go up the ring gear activity and cup joint the outside at the rotary rod, ring gear fixed connection is on the top surface.
Preferably, latch device includes the piston board, the inside at the installation cavity is established to the piston board, the inner wall sliding connection of piston board and installation cavity, the side of piston board is connected with the piston rod, the other end of piston rod extends to the inside in compensation groove and is connected with the joint, the inner wall sliding connection of joint and compensation groove, the joint meshes with straight type ratchet plate, the outside activity of piston rod has cup jointed the reset spring who is located the installation cavity inside, reset spring's one end is connected with the piston board, reset spring's the other end and the interior wall connection of installation cavity, the another side of piston board is connected with the atress line, the middle part of atress line is connected with the patch cord, the other end of patch cord extends to the inside of Y type fenestrate and is connected with the tractive line, the other end fixed connection of tractive line is in the outside of take.
The construction steps are as follows:
Firstly, adjusting a fixing device, and installing the fixing device after the fixing device is adjusted;
Secondly, lifting the support beam to the position of the fixing device by using a crane, and then connecting the support beam with the corresponding fixing device by using bolts;
Thirdly, lifting the reinforcing beam to the position where the supporting beam is located by using a crane, connecting the reinforcing beam and the supporting beam together by using bolts, and connecting the reinforcing beam and a corresponding fixing device together by using bolts;
and fourthly, connecting the support beam with the tower body by using bolts.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
through the matching of the fixing device, the angle limiting device and the angle positioning device, a constructor can adjust the included angle between two adjacent fixing pieces according to the relative position of the embedded cylinder, further adjust the circumferential position of the bolt hole, through the matching of the angle positioning device and the fixing pieces, the constructor can adjust the radial position of the bolt hole according to the relative position of the embedded cylinder, further align the bolt hole with the embedded cylinder, facilitate the constructor to install the support frame, increase the applicability of the support frame, ensure the smooth installation of the support frame, do not need to disassemble, customize and install the fixing device in the installation process of the support frame, save time and labor, accelerate the installation speed of the support frame, further increase the construction speed, meanwhile, the fixing device can be repeatedly used, and the problem of resource waste is avoided, the practicality of this support frame has been improved.
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the fixing device of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal structure of FIG. 2 according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of the internal structure of the angle limiting device of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the arc ratchet plate of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the internal structure of the angular positioning apparatus of FIG. 4 according to the present invention;
FIG. 8 is a schematic view of the internal structure of the fixing member of FIG. 7 according to the present invention;
FIG. 9 is a schematic view of the adjusting device of FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the internal structure of the spin basket of FIG. 9 according to the present invention;
FIG. 11 is a cross-sectional view taken at B-B of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic view of the latch of FIG. 8 according to the present invention.
The reference numbers in the figures illustrate:
1. a support beam; 2. reinforcing the beam; 3. a fixing device; 31. a hollow fixed disk; 32. an adjustment shaft; 33. an adapter plate; 34. a limiting ring; 35. an adjustment groove; 36. a fixed seat; 4. a tower body; 5. an angle limiting device; 50. a spool; 51. a housing; 52. inserting the slot; 53. a triangular guide plate; 54. an outer cylinder; 55. an arc-shaped elastic sheet; 56. a strip track; 57. an arc ratchet plate; 58. a clamping groove; 59. a drive rope; 6. an angle positioning device; 61. a sector plate; 62. a card slot; 63. clamping the elastic sheet; 64. a circular ring; 65. a force application spring; 66. mounting grooves; 67. a straight ratchet plate; 68. ejecting a spring; 69. a limiting rope; 7. a fixing member; 70. pre-embedding the cylinder; 71. a fixing plate; 72. y-shaped perforation; 73. a fixed cavity; 74. a mounting cavity; 75. a compensation groove; 76. a track groove; 77. bolt holes; 78. a compensation block; 79. fixing the bolt; 8. an adjustment device; 81. a rotary drum; 82. a guide groove; 83. a tension spring; 84. rotating the rod; 85. a track bar; 86. a drive cap; 87. a take-up pulley; 88. an upper gear ring; 89. a lower gear ring; 9. a clamping device; 91. a piston plate; 92. a piston rod; 93. a clamping head; 94. a return spring; 95. a stress line; 96. a patch cord; 97. a pulling wire; 10. a wall.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
referring to fig. 1-12, an ultra-high-rise tower crane supporting frame with a suspended movable arm comprises a supporting beam 1, a reinforcing beam 2 is movably connected to the supporting beam 1, fixing devices 3 are respectively arranged at the end parts of the supporting beam 1 and the reinforcing beam 2, and a tower body 4 is fixed on the surface of the supporting beam 1 far away from the reinforcing beam 2 through bolts.
Fixing device 3 includes hollow fixed disk 31, the activity interlude has regulating spindle 32 on the right flank of hollow fixed disk 31, the right-hand member of regulating spindle 32 is connected with keysets 33, keysets 33 and a supporting beam 1's left end bolted connection, the fixed coupling of outside of keysets 33 has been located the inside spacing collar 34 of hollow fixed disk 31, spacing collar 34 is connected with the inner wall contact of hollow fixed disk 31, adjustment tank 35 has been seted up on the surface of hollow fixed disk 31, the left surface of hollow fixed disk 31 inner chamber is connected with fixing base 36, the other end of fixing base 36 is connected with angle stop device 5, the inside of hollow fixed disk 31 is equipped with angle positioner 6.
the angle limiting device 5 comprises a shell 51, the shell 51 is connected with one end of the fixed seat 36, a through slot 52 is formed in the side surface of the shell 51, a triangular guide plate 53 is connected to the inner wall of the shell 51, a winding shaft 50 is movably inserted in the front surface of the shell 51, the front end of the winding shaft 50 is connected with one end of the adjusting shaft 32, an outer cylinder 54 is movably sleeved outside the winding shaft 50, the end portion of the outer cylinder 54 is connected with the inner wall of the shell 51, an arc-shaped elastic sheet 55 and a strip-shaped track 56 are connected to the side surface of the outer cylinder 54, the strip-shaped track 56 is connected with the inner wall of the shell 51, an arc-shaped ratchet plate 57 is arranged inside the shell 51, the inner surface of the arc-shaped ratchet plate 57 is in contact connection with the end portion of the arc-shaped elastic sheet 55, teeth on the arc-shaped ratchet plate 57 penetrate through the through slot 52 and extend to the outside of the shell, the clamping groove 58 is in sliding clamping connection with the strip-shaped rail 56, the inner surface of the arc-shaped ratchet plate 57 is connected with a driving rope 59, and the other end of the driving rope 59 extends to the inside of the outer barrel 54 and is fixedly connected with the winding shaft 50.
the angle positioning device 6 comprises a sector plate 61, the top surface of the sector plate 61 is connected with the inner wall of the hollow fixed disk 31 in a sliding manner, a clamping groove 62 is formed in the bottom surface of the sector plate 61, the clamping groove 62 is movably clamped outside the shell 51, the top surface of the inner cavity of the clamping groove 62 is connected with a clamping elastic sheet 63, the clamping elastic sheet 63 is meshed with teeth on the arc-shaped ratchet plate 57, a ring 64 is inserted in the inner part of the sector plate 61 in a penetrating manner, a force application spring 65 is sleeved outside the ring 64 in a movable manner, the end part of the force application spring 65 is connected with the sector plate 61, a mounting groove 66 is formed in the top surface of the sector plate 61, the inner wall of the mounting groove 66 is connected with a straight ratchet plate 67, the bottom surface of the inner cavity of the mounting groove 66 is connected.
Fixing piece 7 includes fixed plate 71, the bottom activity of fixed plate 71 is pegged graft in the inside of mounting groove 66, the bottom surface of fixed plate 71 is connected with ejecting spring 68 and the top of spacing rope 69, the inside of fixed plate 71 has been seted up the Y type and has been perforated 72, fixed chamber 73 and installation cavity 74, the Y type is perforated 72 and has all been communicated with fixed chamber 73 and installation cavity 74, the inside of fixed chamber 73 is equipped with adjusting device 8, the inside of installation cavity 74 is equipped with latch device 9, track groove 76 has been seted up to the side of fixed plate 71, compensation groove 75 has been seted up on the inner wall of track groove 76, the last bolt hole 77 that has been seted up of fixed plate 71, the back connection of fixed plate 71 has compensation piece 78, bolt hole 77 runs through compensation piece 78, the inside activity of bolt hole 77 is pegged graft there is fixing bolt 79, fixing bolt 79 has 79 to the left end screw.
Adjusting device 8 includes rotatory section of thick bamboo 81 and lower ring gear 89, the bottom of rotatory section of thick bamboo 81 cup joints with the bottom surface activity of fixed chamber 73 inner chamber, the top of rotatory section of thick bamboo 81 extends to the outside of fixed plate 71, guide way 82 has been seted up to the inner wall of rotatory section of thick bamboo 81, the bottom surface of rotatory section of thick bamboo 81 inner chamber is connected with rotary rod 84 through the transmission of tension spring 83, the side of rotary rod 84 is connected with track strip 85, track strip 85 sliding clamping connects in the inside of guide way 82, the fixed cover in top of rotary rod 84 has cup jointed driving cap 86, the fixed take-up pulley 87 that is located fixed chamber 73 inside that has cup jointed in the outside of rotary rod 81, the top surface of driving cap 86 inner chamber is connected with ring gear 88, go up ring gear 88 activity cup joints in the outside of rotary rod 84, lower ring gear 89 fixed connection is on the top surface of fixed plate 71, lower ring.
The clamping device 9 comprises a piston plate 91, the piston plate 91 is arranged inside the installation cavity 74, the piston plate 91 is connected with the inner wall of the installation cavity 74 in a sliding manner, the side face of the piston plate 91 is connected with a piston rod 92, the other end of the piston rod 92 extends into the compensation groove 75 and is connected with a clamping joint 93, the clamping joint 93 is connected with the inner wall of the compensation groove 75 in a sliding manner, the clamping joint 93 is meshed with the straight ratchet plate 67, a return spring 94 positioned inside the installation cavity 74 is movably sleeved outside the piston rod 92, one end of the return spring 94 is connected with the piston plate 91, the other end of the return spring 94 is connected with the inner wall of the installation cavity 74, the other face of the piston plate 91 is connected with a stress line 95, the middle of the stress line 95 is connected with an adapter line 96, the other end of the adapter line 96 extends into the Y-shaped perforation 72 and is connected with a pulling line 97, and the other.
The construction steps are as follows:
Firstly, adjusting a fixing device 3, and installing the fixing device 3 after the adjustment is finished;
secondly, lifting the support beam 1 to the position height of the fixing device 3 by using a crane, and then connecting the support beam 1 and the corresponding fixing device 3 together by using bolts;
Thirdly, lifting the reinforcing beam 2 to the position of the supporting beam 1 by using a crane, connecting the reinforcing beam 2 and the supporting beam 1 together by using bolts, and connecting the reinforcing beam 2 and the corresponding fixing device 3 together by using bolts;
and fourthly, connecting the support beam 1 and the tower body 4 together by using bolts.
The working principle is as follows:
Firstly, the adapter plate 33 is rotated, then the adapter plate 33 drives the winding shaft 50 to rotate through the adjusting shaft 32, then the driving rope 59 winds towards the outside of the winding shaft 50, the driving rope 59 pulls the arc-shaped ratchet plate 57 to be close to the outer cylinder 54, then the teeth on the arc-shaped ratchet plate 57 are separated from the clamping elastic sheet 63, the limitation on the sector plate 61 is removed, then the sector plate 61 is pulled to rotate through the fixing plate 71, the angle between two adjacent fixing plates 71 is adjusted, then the fixing plates 71 drive the bolt holes 77 to move circumferentially, the relative positions of the bolt holes 77 are adjusted circumferentially, then the rest bolt holes 77 are adjusted in the same way, after the adjustment is completed, the adapter plate 33 is loosened, then the arc-shaped ratchet plate 57 is far away from the outer cylinder 54 under the elastic force of the arc-shaped elastic sheet 55, the teeth on the arc-shaped ratchet plate 57 penetrate through the inserting groove 52 and extend to the outside of the inserting groove 52, and then the teeth on the, fixing the sector plate 61, fixing the relative position of the bolt hole 77, then pulling the driving cap 86 outwards, the driving cap 86 driving the upper gear ring 88 to move outwards, separating the upper gear ring 88 from the lower gear ring 89, releasing the restriction on the driving cap 86, then rotating the driving cap 86, the driving cap 86 driving the rotating drum 81 to rotate through the cooperation of the track bar 85 and the rotating rod 84 guide slot 82, the rotating drum 81 driving the take-up pulley 87 to rotate, then winding the pulling wire 97 to the outside of the take-up pulley 87, then pulling the force-bearing wire 95 through the switching wire 96 by the pulling wire 97, the force-bearing wire 95 bending upwards and pulling the piston plate 91 to move in the direction of the switching wire 96, then the piston plate 91 driving the clamping joint 93 to move towards the inside of the compensation slot 75 through the piston rod 92, then separating the clamping joint 93 from the straight ratchet plate 67, releasing the restriction on the fixing plate 71, then releasing the driving cap 86, then the rotating rod 84 carries the driving cap 86 to move downwards under the action of the elastic force of the tension spring 83, the driving cap 86 carries the upper gear ring 88 to move downwards, the upper gear ring 88 is meshed with the lower gear ring 89, the driving cap 86 is fixed, and the take-up pulley 87 is fixed, at this time, the fixing plate 71 can move freely in the mounting groove 66, then the fixing plate 71 is pulled outwards, the fixing plate 71 carries the bolt hole 77 to move, the relative position of the bolt hole 77 is adjusted again, after the relative position of the bolt hole 77 is adjusted, the driving cap 86 is pulled outwards, the driving cap 86 carries the upper gear ring 88 to move outwards, the upper gear ring 88 is separated from the lower gear ring 89, the limitation on the driving cap 86 is released, then the driving cap 86 is rotated reversely, then the pull wire 97 is released from the outside of the take-up pulley 87, and then the clamping joint 93 moves outwards under the action of the elastic force of the return spring 94, then the clamping joint 93 is meshed with the straight ratchet plate 67 to fix the fixing plate 71, then the driving cap 86 is loosened, then the rotating rod 84 drives the driving cap 86 to move downwards under the action of the elastic force of the tension spring 83, the driving cap 86 drives the upper gear ring 88 to move downwards, the upper gear ring 88 is meshed with the lower gear ring 89 to fix the driving cap 86 to complete the adjustment of the bolt hole 77, the bolt hole 77 after the adjustment can be in one-to-one correspondence and centering with the embedded cylinder 70, so that the installation process of the support frame is not influenced by the position deviation of the embedded cylinder 70 to ensure that the support frame can be normally and smoothly installed, then the fixing plate 71 is connected with the embedded cylinder 70 by using the fixing bolt 79 to fix the fixing device 3 on the wall 10, then the supporting beam 1 and the reinforcing beam 2 are installed on the corresponding adapter plate 33, and then the other end of the reinforcing beam 2 is connected with the supporting beam 1, and finally, connecting the support beam 1 with the tower body 4 through bolts.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. the utility model provides a super high-rise external swing arm tower crane support frame which characterized in that: the tower comprises a supporting beam (1), wherein a reinforcing beam (2) is movably connected to the supporting beam (1), fixing devices (3) are arranged at the end parts of the supporting beam (1) and the reinforcing beam (2), and a tower body (4) is fixed to the supporting beam (1) far away from the reinforcing beam (2) through a face bolt.
2. The tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 1, is characterized in that: fixing device (3) are including hollow fixed disk (31), activity interlude has regulating spindle (32) on the right flank of hollow fixed disk (31), the right-hand member of regulating spindle (32) is connected with adapter plate (33), adapter plate (33) and the left end bolted connection who props up a supporting beam (1), spacing collar (34) that are located hollow fixed disk (31) inside have been cup jointed to the external fixation of adapter plate (33), spacing collar (34) are connected with the inner wall contact of hollow fixed disk (31), adjustment tank (35) have been seted up on the surface of hollow fixed disk (31), the left surface of hollow fixed disk (31) inner chamber is connected with fixing base (36), the other end of fixing base (37) is connected with angle stop device (5), the inside of hollow fixed disk (31) is equipped with angle positioner (6).
3. The tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 2, is characterized in that: the angle limiting device (5) comprises a shell (51), the shell (51) is connected with one end of a fixed seat (36), a through slot (52) is formed in the side face of the shell (51), the inner wall of the shell (51) is connected with a triangular guide plate (53), a winding shaft (50) is movably inserted into the front face of the shell (51), the front end of the winding shaft (50) is connected with one end of an adjusting shaft (32), an outer cylinder (54) is sleeved on the outer portion of the winding shaft (50), the end portion of the outer cylinder (54) is connected with the inner wall of the shell (51), the side face of the outer cylinder (54) is connected with an arc-shaped elastic sheet (55), a strip-shaped track (56), the strip-shaped track (56) is connected with the inner wall of the shell (51), an arc-shaped ratchet plate (57) is arranged inside the shell (51), the inner surface of the arc-shaped ratchet plate (57) is connected with the end portion of the arc-shaped elastic sheet (55) in a contact manner, teeth on the arc, the terminal surface of arc ratchet plate (57) and the inner wall sliding connection of shell (51), offered joint groove (58) on arc ratchet plate (57), joint groove (58) and bar track (56) slip joint are connected with driving rope (59) on the internal surface of arc ratchet plate (57), and the other end of driving rope (59) extends to the inside of urceolus (54) and with spool (50) fixed connection.
4. The tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 2, is characterized in that: the angle positioning device (6) comprises a sector plate (61), the top surface of the sector plate (61) is in sliding connection with the inner wall of a hollow fixed disc (31), a clamping groove (62) is formed in the bottom surface of the sector plate (61), the clamping groove (62) is movably clamped outside a shell (51), the top surface of the inner cavity of the clamping groove (62) is connected with a clamping elastic sheet (63), the clamping elastic sheet (63) is meshed with teeth on an arc ratchet plate (57), a circular ring (64) is inserted in the inner part of the sector plate (61) in a penetrating manner, a force application spring (65) is sleeved in the outer part of the circular ring (64), the end part of the force application spring (65) is connected with the sector plate (61), an installation groove (66) is formed in the top surface of the sector plate (61), the inner wall of the installation groove (66) is connected with a straight ratchet plate (67), the bottom surface of the inner cavity of the installation, the bottom surface of the inner cavity of the mounting groove (66) is connected with the fixing piece (7) through a limiting rope (69).
5. The tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 4, is characterized in that: the fixing part (7) comprises a fixing plate (71), the bottom end of the fixing plate (71) is movably inserted into the mounting groove (66), the bottom surface of the fixing plate (71) is connected with the top ends of an ejection spring (68) and a limiting rope (69), a Y-shaped perforation (72), a fixing cavity (73) and a mounting cavity (74) are formed in the fixing plate (71), the Y-shaped perforation (72) is communicated with the fixing cavity (73) and the mounting cavity (74), an adjusting device (8) is arranged in the fixing cavity (73), a clamping device (9) is arranged in the mounting cavity (74), a track groove (76) is formed in the side surface of the fixing plate (71), a compensation groove (75) is formed in the inner wall of the track groove (76), a bolt hole (77) is formed in the fixing plate (71), a compensation block (78) is connected to the back surface of the fixing plate (71), and the bolt hole (77) penetrates through, the inside activity of bolt hole (77) is pegged graft and is had fixing bolt (79), and the left end screw thread of fixing bolt (79) has cup jointed pre-buried section of thick bamboo (70).
6. the tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 5, is characterized in that: the adjusting device (8) comprises a rotating cylinder (81) and a lower gear ring (89), the bottom end of the rotating cylinder (81) is movably sleeved with the bottom surface of the inner cavity of the fixed cavity (73), the top end of the rotating cylinder (81) extends to the outside of the fixed plate (71), a guide groove (82) is formed in the inner wall of the rotating cylinder (81), the bottom surface of the inner cavity of the rotating cylinder (81) is connected with a rotating rod (84) through a tension spring (83) in a transmission manner, the side surface of the rotating rod (84) is connected with a track strip (85), the track strip (85) is slidably clamped in the guide groove (82), a driving cap (86) is fixedly sleeved at the top end of the rotating rod (84), a take-up pulley (87) positioned in the fixed cavity (73) is fixedly sleeved on the outside of the rotating cylinder (81), the top surface of the inner cavity of the driving cap (86) is connected with the upper gear ring (, the lower gear ring (89) is fixedly connected to the top surface of the fixing plate (71), the lower gear ring (89) is positioned right below the upper gear ring (88), and the lower gear ring (89) is movably sleeved outside the rotating rod (84).
7. the tower crane support frame with the ultra-high-altitude layer hung with the movable arm as claimed in claim 5, is characterized in that: the clamping device (9) comprises a piston plate (91), the piston plate (91) is arranged inside the installation cavity (74), the piston plate (91) is in sliding connection with the inner wall of the installation cavity (74), the side face of the piston plate (91) is connected with a piston rod (92), the other end of the piston rod (92) extends into the compensation groove (75) and is connected with a clamping joint (93), the clamping joint (93) is in sliding connection with the inner wall of the compensation groove (75), the clamping joint (93) is meshed with the straight ratchet plate (67), a return spring (94) positioned inside the installation cavity (74) is movably sleeved outside the piston rod (92), one end of the return spring (94) is connected with the piston plate (91), the other end of the return spring (94) is connected with the inner wall of the installation cavity (74), the other face of the piston plate (91) is connected with a stress line (95), the middle part of the stress line (95) is connected with a transfer line (96), the other end of the transfer line (96) extends to the inside of the Y-shaped through hole (72) and is connected with a pulling line (97), and the other end of the pulling line (97) is fixedly connected to the outside of the take-up pulley (87).
8. The construction method of the super high-rise external hanging movable arm tower crane support frame according to any one of claims 1 to 7, characterized by comprising the following steps:
Firstly, adjusting a fixing device (3), and installing the fixing device (3) after the adjustment is finished;
Secondly, lifting the support beam (1) to the position height of the fixing device (3) by using a crane, and then connecting the support beam (1) and the corresponding fixing device (3) together by using bolts;
thirdly, lifting the reinforcing beam (2) to the position height of the supporting beam (1) by using a crane, connecting the reinforcing beam (2) and the supporting beam (1) together by using bolts, and connecting the reinforcing beam (2) and the corresponding fixing device (3) together by using bolts;
fourthly, connecting the support beam (1) and the tower body (4) together by using bolts.
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| CN201910938541.1A CN110577157B (en) | 2019-09-30 | 2019-09-30 | Ultrahigh-rise external hanging movable arm tower crane support frame and construction method thereof |
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| CN201910938541.1A CN110577157B (en) | 2019-09-30 | 2019-09-30 | Ultrahigh-rise external hanging movable arm tower crane support frame and construction method thereof |
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| CN110577157A true CN110577157A (en) | 2019-12-17 |
| CN110577157B CN110577157B (en) | 2020-07-03 |
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| CN106006404A (en) * | 2016-07-29 | 2016-10-12 | 中国建筑第二工程局有限公司 | Super-high-rise external movable arm tower crane climbing supporting device |
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| CN108275583A (en) * | 2018-03-15 | 2018-07-13 | 广厦建设集团有限责任公司 | A kind of plug-in swing arm tower crane supporting rack of Super High and its installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3604130A1 (en) * | 1986-02-10 | 1987-08-13 | Adolf Metz | Mechanical bricklayer's aid |
| CN202148154U (en) * | 2011-04-22 | 2012-02-22 | 上海庞源机械租赁股份有限公司 | Steel corbel fixing structure of internal climbing steel beam of tower crane |
| CN203699741U (en) * | 2013-12-10 | 2014-07-09 | 重庆长风机械制造有限责任公司 | Assembled type wall attaching device of tower crane |
| CN203889956U (en) * | 2014-05-12 | 2014-10-22 | 中冶天工上海十三冶建设有限公司 | Rod-attached-to-wall connecting piece device for tower crane mounting |
| CN106006404A (en) * | 2016-07-29 | 2016-10-12 | 中国建筑第二工程局有限公司 | Super-high-rise external movable arm tower crane climbing supporting device |
| CN106219419A (en) * | 2016-09-19 | 2016-12-14 | 中国建筑第八工程局有限公司 | High-rise building large-scale swing arm tower crane is converted to plug-in construction method by interior climbing in situ |
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|---|---|
| CN110577157B (en) | 2020-07-03 |
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Effective date of registration: 20200608 Address after: 211400 No.6, Huanzhen North Road, Xinji Town, Yizheng City, Yangzhou City, Jiangsu Province Applicant after: CHINA NUCLEAR HUAXING TAT HONG MACHINERY ENGINEERING Co.,Ltd. Address before: No.9, zhounian group, Daji village, Shipei Town, Quanjiao County, Chuzhou City, Anhui Province Applicant before: Zhou Qiang |
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