CN115231450B - A steel frame integral lifting equipment and use method - Google Patents
A steel frame integral lifting equipment and use method Download PDFInfo
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- CN115231450B CN115231450B CN202210809158.8A CN202210809158A CN115231450B CN 115231450 B CN115231450 B CN 115231450B CN 202210809158 A CN202210809158 A CN 202210809158A CN 115231450 B CN115231450 B CN 115231450B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 119
- 239000010959 steel Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 52
- 230000032258 transport Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 101
- 238000010276 construction Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application relates to steel reinforcement framework integral hoisting equipment and a use method thereof, and relates to the technical field of building production, comprising an outer suspension track platform arranged on a pier of an unprimed bridge, wherein a hoisting mechanism is arranged on the outer suspension track platform and comprises a movable hanger, a movable hanger and a lifting mechanism, wherein the movable hanger is arranged on the outer suspension track platform in a sliding manner and can move to the poured bridge; the lifting assembly is arranged on the movable hanging frame and used for lifting the steel reinforcement framework, and the movable assembly is arranged on the movable hanging frame and used for driving the movable hanging frame to move. According to the application, the steel reinforcement framework is pre-installed, then the whole steel reinforcement framework is lifted and transported, and then concrete is poured, so that the construction efficiency of the bridge is improved, and the movable hanger can be moved to the bridge after the pouring is completed to support after being moved out of the externally hung track platform, so that the construction efficiency of the bridge is improved, and meanwhile, the safety of lifting equipment is also improved.
Description
Technical Field
The application relates to the technical field of building production, in particular to steel reinforcement framework integral hoisting equipment and a using method thereof.
Background
The cast-in-situ continuous beam with the uniform cross section is widely used in highway bridge engineering, has uniform internal force state, can reduce beam height, saves materials, and has the advantages of high rigidity, good integrity, high overload capacity, high safety, large bridge deck expansion joint and comfortable driving.
The small-span continuous beam is generally formed by binding steel bars section by section and pouring by using a movable die carrier, but the time consumed by binding the steel bar skeleton and assembling the cast-in-situ template greatly delays the construction period of the site and the construction continuity of the subsequent beam sections, so that the construction efficiency of the bridge is reduced.
Disclosure of Invention
In order to improve the construction efficiency of a bridge, the application provides integral hoisting equipment for a steel reinforcement cage and a use method thereof.
In a first aspect, the application provides a steel reinforcement cage integral hoisting device and a use method thereof, which adopts the following technical scheme:
The utility model provides a steel reinforcement skeleton integral hoisting equipment, includes the outer suspension track platform that sets up on the pier of non-pouring bridge, be provided with hoist mechanism on the outer suspension track platform, hoist mechanism includes:
the movable hanging frame is arranged on the outer suspension track platform in a sliding manner and can move to the bridge after pouring is completed;
the lifting component is arranged on the movable hanging bracket and used for lifting the reinforcement cage;
and the moving assembly is arranged on the moving hanging bracket and used for driving the moving hanging bracket to move.
Through adopting above-mentioned technical scheme, fixed mounting overhang track platform on the pier of the bridge of waiting to pour, then install hoisting equipment on overhang track platform, and the skeleton of steel is prefabricated in advance, remove the subassembly start and drive the removal gallows, remove the gallows and drive the subassembly of lifting by crane and move to skeleton of steel top, it starts to lift by crane the skeleton of steel, then remove the subassembly start and drive removal gallows and skeleton of steel to remove, the removal gallows that is located on the overhang track platform simultaneously can move to the bridge of pouring completion and support, thereby realize that remove the subassembly start and drive skeleton of steel and move to waiting to install the department, then place the skeleton of steel to be installed, then pour concrete to skeleton of steel on, make the concrete of pouring and the bridge of pouring completion link together, then install the bridge of not pouring bridge after dismantling the overhang track platform of pouring completion and recycle, then continue the installation of the skeleton of steel of the latter.
Therefore, the steel reinforcement framework is installed in advance, then the whole steel reinforcement framework is lifted and transported, and then concrete is poured, so that the construction efficiency of a bridge is improved, the movable hanging frame can be moved to the bridge after the pouring is completed to support after being moved out of the externally hung track platform, the installation performance and the stability of the steel reinforcement framework in the lifting process are improved, the construction efficiency of the bridge is improved, and meanwhile the safety of lifting equipment is also improved.
Optionally, the lifting assembly includes:
The windlass is arranged on the movable hanging frame, and at least two hanging ropes wound on the windlass are arranged on the windlass;
the lifting sling is arranged on the lifting rope and used for lifting the steel reinforcement framework, and a fixing component which is convenient for fixing the steel reinforcement framework is arranged on the lifting sling;
The limiting piece is arranged on the movable hanging frame, is connected with the lifting sling and is used for limiting the lifting sling.
By adopting the technical scheme, the hoisting machine is started to drive the hoisting sling to move so that the hoisting sling moves above the steel reinforcement framework, then the hoisting sling and the steel reinforcement framework are fixedly connected together through the fixing assembly, and then the hoisting machine is started to drive the hoisting sling and the steel reinforcement framework to move upwards for transportation, so that the steel reinforcement framework is hoisted;
the fixing component improves convenience when the steel reinforcement framework and the lifting sling are fixed and detached, so that the construction efficiency of the bridge is further improved, the limiting piece limits the lifting sling and the steel reinforcement framework, the safety of the lifting device in operation is improved, the construction efficiency of the bridge is improved, and meanwhile, the safety of the lifting device is also improved.
Optionally, the fixing assembly includes:
The sliding frame is arranged on the lifting appliance in a sliding manner;
the fixed rope is arranged on the sliding frame and the lifting sling and is connected with the lifting rope through the connecting component;
The hanger is arranged on the sliding frame, a plurality of hangers are arranged on the sliding frame and used for hoisting the steel reinforcement framework, and when the steel reinforcement framework is hoisted by the hangers, the sliding frame pulls the hangers to be propped against the lower surface of the hoisting sling under the pulling of the fixing rope and is used for blocking the steel reinforcement framework from being separated from the hangers.
By adopting the technical scheme, the hoisting machine releases the lifting rope, the hoisting sling is placed on the steel reinforcement framework, then the lifting rope is continuously released, the sliding frame moves downwards under the action of gravity, then the lifting sling is moved by the moving hanger to drive the hoisting sling, the sliding frame and the hooks to move, the hooks are hooked on the steel bars of the steel reinforcement framework, then the hoisting machine withdraws the lifting rope, the lifting rope pulls the sliding frame and the hooks to move upwards through the fixed rope, the hooks are pressed on the lower surface of the hoisting sling, then the lifting sling, the steel reinforcement framework and the sliding frame are continuously moved upwards to drive the hoisting sling, the steel reinforcement framework is placed on the installation place, then the lifting rope is continuously released, the sliding frame is continuously moved downwards, then the moving hanger moves to drive the hooks to be separated from the steel reinforcement framework, so that the convenience in the fixing and the separating of the steel reinforcement framework and the hoisting sling is improved, and the construction efficiency of a bridge is improved, and the hooks are pressed on the lifting sling to block the bridge from the hooks when the hoisting steel reinforcement framework is pressed, so that the construction efficiency is improved, and the safety of the hoisting equipment is also improved.
Optionally, the connection assembly includes:
The first sliding wheel and the second sliding wheel are connected together through a connecting seat, the first sliding wheel and the second sliding wheel are both rotationally connected with the connecting seat, and the lifting rope bypasses the first sliding wheel and the fixed rope bypasses the second sliding wheel.
Through adopting above-mentioned technical scheme, the lifting rope walks around first movable pulley, therefore when paying out the lifting rope, first movable pulley takes place to rotate under the action of gravity, and the second movable pulley takes place to rotate under fixed rope pulling force, consequently, reach laborsaving effect through the movable pulley, also reduced simultaneously and received frictional force and damaged probability with fixed rope, first movable pulley is walked around to the lifting rope simultaneously, and second movable pulley is walked around to fixed rope, so carry out the component to the pulling force that receives, consequently, the security of hoist and mount equipment has also been improved when realizing laborsaving.
Optionally, the locating part includes a plurality of spacing pipes and a plurality of spacing ring, a plurality of spacing pipe and spacing ring diameter all reduce gradually and slip the cover each other and establish together, and a plurality of spacing ring sets up on spacing pipe and is used for blockking adjacent two spacing pipes and breaks away from each other, one of them spacing pipe sets up on removing the gallows and another one spacing pipe is connected with hoist and mount hoist.
Through adopting above-mentioned technical scheme, a plurality of spacing pipes and spacing ring slip the cover and establish together, and the spacing ring is used for blockking that two adjacent slip the pipe and break away from each other, and consequently the spacing pipe that the pulling was connected with it removes when hoist and mount hoist removes, consequently realizes spacing hoist and hoist removal in-process to the security of hoist and mount equipment has been improved.
Optionally, the moving assembly includes:
the sliding rail is arranged on the outer suspension rail platform;
The moving wheel is rotationally arranged on the moving hanging bracket and rolls on the sliding rail, and an annular moving groove for limiting is formed in the moving wheel;
and the mobile motor is arranged on the mobile hanging bracket and connected with the mobile wheel.
Through adopting above-mentioned technical scheme, the movable motor starts to drive and removes the wheel rotation, and the slide rail carries out spacingly to the removal orbit of removing the wheel, consequently removes the wheel rotation and drives the removal gallows and remove to realize that the movable motor starts to drive and remove the gallows and remove.
Optionally, be formed with the installation space that supplies the framework of steel reinforcement to pass through on the removal gallows, upward guide way of spiral has been seted up on the removal gallows, the removal gallows is provided with the transform mechanism that changes the removal gallows position, transform mechanism includes:
the movable sleeve is arranged on the guide groove in a sliding manner;
the support legs are arranged on the movable sleeves and are rotatably provided with support wheels used for rolling on the poured bridge, and the movable sleeves can move upwards to drive the support legs and the support wheels to rotate outside the installation space;
the supporting motor is arranged on the supporting leg and connected with the supporting wheel;
And the lifting assembly is arranged on the movable hanging bracket, is rotationally connected with the movable sleeve and is used for driving the movable sleeve to move up and down.
Through adopting above-mentioned technical scheme, when removing the one end of gallows and shifting out the overhang track platform, lifting unit starts to drive and removes the cover and move down, removes the cover and move down and take place to rotate under the guide way effect, removes the cover and rotates and drive supporting legs and supporting wheel and be close to the installation space rotation for the supporting wheel is placed and is supported on the bridge that the pouring is accomplished, consequently removes gallows and supporting wheel and supports hoisting equipment simultaneously, has improved the security of hoisting equipment with this.
Meanwhile, when the steel reinforcement framework needs to be put down, the lifting assembly starts to drive the movable sleeve to move upwards, the movable sleeve moves upwards to drive the supporting wheel to move upwards and simultaneously rotate away from the steel reinforcement framework, then the steel reinforcement framework can be put down, so that the installation space is minimized when the size of the installation space is designed, the requirement of the steel reinforcement framework is met, the empty distance of the movable hanging frame is minimized, the strength of the movable hanging frame can be improved, the placement space is minimized, the supporting legs and the supporting wheels need to be rotated to the outer side of the placement space when the steel reinforcement framework is put down, the probability of collision between the downward movement of the steel reinforcement framework and the supporting legs is reduced, and the safety of lifting equipment is improved when the strength of the movable hanging frame is improved.
And when the supporting wheel enters or rolls out of the installation space, the supporting wheel moves up and down and simultaneously rotates the supporting legs and the supporting wheel, so that the probability of abrasion between the supporting wheel and the upper surface of the bridge is reduced, the service life of the supporting wheel is prolonged, the probability of collision between the movement of the supporting wheel and the rugged part of the bridge is also reduced, the service life of the supporting wheel is prolonged, and meanwhile the supporting legs and the supporting wheel enter or roll out of the installation space is also satisfied.
Optionally, the lifting assembly includes:
the mounting sleeve is detachably arranged on the movable sleeve, and an annular mounting groove is formed in the side wall of one side, close to the movable sleeve, of the mounting sleeve;
The telescopic rod is arranged on the movable hanging frame, and the piston rod is provided with a rotating wheel which is rotatably arranged on the mounting groove.
Through adopting above-mentioned technical scheme, the telescopic link removes and drives the installation cover and remove, and drives the rotation wheel when the installation cover rotates to this realizes that the telescopic link drives the removal cover and removes and take place simultaneously and rotate, and rotates the frictional force that produces when the wheel has reduced the motion, thereby realizes driving the removal cover and removes and rotate, also realizes energy-concerving and environment-protective effect simultaneously.
Optionally, the installation cover is provided with two and splices together and can dismantle with the removal cover through mounting screw and be connected, two all offer the mounting hole that supplies the telescopic link piston rod to pass through on the installation cover.
Through adopting above-mentioned technical scheme, dismantle respectively and can realize turning wheel and installation cover and moving the dismantlement of cover after two installation covers, then splice two installation covers together, make telescopic link piston rod pass through the mounting hole simultaneously, then with even installation cover fixed mounting to moving and sheathe in to this realizes the installation and the dismantlement of telescopic link and installation cover and moving the cover.
In a second aspect, the application method of the application for the whole hoisting equipment of the steel reinforcement framework adopts the following technical scheme:
The application method of the steel reinforcement cage integral hoisting equipment in the first aspect comprises the following steps:
S1, conveying a steel reinforcement framework to the lower part of hoisting equipment;
S2, lifting the steel reinforcement framework, starting the lifting assembly to drive the lifting sling to move downwards, and connecting the lifting sling with the steel reinforcement framework through the fixing assembly;
S3, starting the lifting framework of the steel bar by the lifting component, then conveying the framework of the steel bar to a position to be installed, then moving downwards to place the framework of the steel bar to the installation position for installation, and finally unlocking the fixing component to detach the lifting sling from the framework of the steel bar;
s4, finally casting concrete;
S4, repeating the steps S1-S4, and continuing to install the steel reinforcement framework next time.
Through adopting above-mentioned technical scheme, transport the steel reinforcement skeleton to hoist and mount equipment below, hoist and mount hoist moves down, then will hoist and mount hoist fixed mounting to steel reinforcement skeleton through fixed subassembly, then hoist and mount hoist and move up the lifting steel reinforcement skeleton, then transport steel reinforcement skeleton to the department of waiting to install, then place the steel reinforcement skeleton and wait to install the department, then unblock fixed subassembly will hoist and mount hoist and steel reinforcement skeleton and unpack, finally pour concrete for the bridge that pouring concrete and pouring are accomplished links together, then continues the installation of repetition next steel reinforcement skeleton.
In summary, the present application includes at least one of the following beneficial technical effects:
through installing the steel reinforcement skeleton in advance, then lift by crane the transportation to whole steel reinforcement skeleton, then cast concrete to improve the efficiency of construction of bridge, remove the gallows and shift out the back from the overhang track platform and can move to support on the bridge after the pouring is accomplished moreover, thereby improved the mountability and the stability of steel reinforcement skeleton hoist and mount in-process, consequently in improving bridge efficiency of construction, also improved the security of hoist and mount equipment simultaneously.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of the construction of the lifting assembly of the present application;
FIG. 3 is a schematic view of the structure of the fixing assembly and the connecting assembly according to the present application, wherein the side wall of the connecting seat is cut away;
FIG. 4 is a schematic cross-sectional view of a spacing tube and spacing ring of the present application;
FIG. 5 is an enlarged schematic view of portion A of FIG. 1;
Fig. 6 is a partial exploded view of the conversion mechanism and lift assembly of the present application.
Reference numeral 1, pier; 11, an outer suspension track platform; 12, a fixing frame; 13, supporting table, 14, installation space, 2, hoisting mechanism, 21, movable hanger, 22, movable frame, 23, cross beam frame, 24, avoidance hole, 25, installation column, 26, guide slot, 3, hoisting assembly, 31, hoist, 311, hoisting rope, 32, hoisting sling, 321, sliding cavity, 33, limiting piece, 34, limiting pipe, 341, first limiting hole, 342, second limiting hole, 35, limiting ring, 4, moving assembly, 41, sliding rail, 42, moving wheel, 43, moving motor, 5, fixed assembly, 51, sliding frame, 52, fixed rope, 53, hook, 6, connecting assembly, 61, first sliding wheel, 62, second sliding wheel, 63, first sliding slot, 64, second sliding slot, 65, connecting seat, 66, first connecting slot, 67, second connecting slot, 68, first installation shaft, 69, second installation shaft, 7, conversion mechanism, 71, moving sleeve, 72, supporting leg, 721, tilting section 722, vertical section, 723, supporting wheel, lifting assembly, 83, lifting assembly, 81 and 81.
Detailed Description
The application will be described in further detail below with reference to the accompanying drawings 1-6.
The embodiment of the application discloses steel reinforcement framework integral hoisting equipment and a using method thereof.
Referring to fig. 1, the steel reinforcement cage integral hoisting equipment comprises an outer suspension track platform 11 arranged on a pier 1 of an unprimed bridge, and a hoisting mechanism 2 for hoisting the steel reinforcement cage integral is arranged on the outer suspension track platform 11.
Referring to fig. 1, an externally suspended track platform 11 extends to a bridge where pouring is completed, the externally suspended track platform 11 comprises a fixing frame 12 and supporting tables 13, the fixing frame 12 is fixedly installed on a bridge pier 1 where pouring is not completed and extends to two sides of the bridge pier 1, the supporting tables 13 are fixedly installed on the upper surface of the fixing frame 12, the supporting tables 13 are arranged on two sides of the bridge pier 1, meanwhile, the top ends of the supporting tables 13 extend to the upper side of the bridge pier 1, the length direction of the supporting tables 13 is parallel to the length direction of the bridge, the externally suspended track platform 11 can be detached as required after pouring of the bridge is completed, and then the externally suspended track platform 11 is fixedly installed to a subsequent bridge where pouring is not completed for recycling.
Referring to fig. 1, the lifting mechanism 2 includes a moving hanger 21, a lifting assembly 3 and a moving assembly 4, the moving hanger 21 includes two moving frames 22 and a beam frame 23, the two moving frames 22 are disposed in one-to-one correspondence with the two support tables 13, and the moving frames 22 are slidably disposed on the top of the support tables 13 along the length direction of the support tables 13 while the length direction of the moving frames 22 is parallel to the length direction of the support tables 13, and the beam frame 23 is fixedly mounted on the top of the two moving frames 22, and the beam frame 23 fixedly connects the two moving frames 22 together.
Referring to fig. 1 and 2, the lifting assembly 3 is disposed on the beam frame 23 and used for lifting the reinforcement cage, the lifting assembly 3 is horizontally provided with a plurality of lifting assemblies at intervals, the number of the lifting assemblies 3 is at least two or more, the lifting assembly 3 comprises a winch 31 and lifting slings 32, the winch 31 is fixedly mounted on the upper surface of the beam frame 23, the number of the winches 31 is at least two or more, each winch 31 is wound with a lifting rope 311, the lifting slings 32 are fixedly mounted on the bottom ends of the lifting ropes 311, and the lifting slings 32 are frame-shaped structures with sliding cavities 321 formed in the bottom ends.
Referring to fig. 2 and 3, a fixing assembly 5 for fixing a reinforcement cage is arranged on a lifting sling 32, the fixing assembly 5 comprises a sliding frame 51, a fixing rope 52 and a hook 53, the sliding frame 51 is vertically installed on a sliding cavity 321 in a sliding mode, the bottom end of the sliding frame 51 extends to the lower portion of the lifting sling 32, meanwhile, the sliding frame 51 can move into the sliding cavity 321 so that the lower surfaces of the sliding frame 51 and the lifting sling 32 are flush, one end of the fixing rope 52 is fixedly connected with the upper surface of the lifting sling 32, and the other end of the fixing rope 52 penetrates through the upper surface of the lifting sling 32 and is fixedly connected with the upper surface of the sliding frame 51.
Referring to fig. 2 and 3, the fixed rope 52 is connected with the lifting rope 311 through the connecting assembly 6, the connecting assembly 6 comprises a first sliding wheel 61 and a second sliding wheel 62, the first sliding wheel 61 and the second sliding wheel 62 are connected together through a connecting seat 65, the connecting seat 65 is in a cuboid shape, a first connecting groove 66 is formed in the top end of the connecting seat 65, a second connecting groove 67 is formed in the bottom end of the connecting seat 65, a first mounting shaft 68 is fixedly mounted on the first connecting groove 66, a second mounting shaft 69 is fixedly mounted on the second connecting groove 67, and the first mounting shaft 68 and the second mounting shaft 69 are in a horizontal state and are mutually vertical in axis.
Referring to fig. 2 and 3, the first sliding wheel 61 is rotatably mounted on the first mounting shaft 68, the first sliding wheel 61 is coaxially provided with a ring-shaped first sliding groove 63, the second sliding wheel 62 is rotatably mounted on the second mounting shaft 69, the second sliding wheel 62 is coaxially provided with a ring-shaped second sliding groove 64, the lifting rope 311, the fixed rope 52 and the hoist 31 are uniformly and correspondingly arranged, the lifting rope 311 bypasses the first sliding wheel 61 and then is connected with the hoist 31, and the fixed rope 52 bypasses the second sliding wheel 62, so that the first sliding groove 63 limits the lifting rope 311, and the second sliding groove 64 limits the fixed rope 52.
Referring to fig. 2 and 3, the hooks 53 are fixedly installed on the lower surface of the sliding frame 51, the hooks 53 can extend into the steel reinforcement frame and are horizontally arranged at intervals, the hooks 53 can be hooked on the steel reinforcement of the steel reinforcement frame, when the hooks 53 are hooked on the steel reinforcement of the steel reinforcement frame, one end of the hooks 53 far away from the sliding frame 51 extends above the steel reinforcement frame, and the sliding frame 51 moves upwards to drive the hooks 53 to move upwards, so that one end of the hooks 53 far away from the sliding frame 51 is propped against the lower surface of the lifting sling 32, thereby blocking the steel reinforcement frame from being separated from the hooks 53, and the weight of the lifting sling 32 is greater than the sum of the weights of the sliding frame 51 and the hooks 53.
Referring to fig. 1 and 3, the hoist 31 is started to move down the lifting rope 311, the lifting rope 311 moves down to drive the first sliding wheel 61 to rotate and simultaneously move down, the first sliding wheel 61 moves down to drive the connecting seat 65 and the second sliding wheel 62 to move down, the second sliding wheel 62 drives the fixed rope 52 and the lifting sling 32 to move down, the lifting sling 32 is placed on the upper surface of the reinforcement cage, then the fixed rope 52 continues to move down, the sliding frame 51 and the hanging sling 53 continue to move down under the action of gravity, the hanging sling 53 extends into the reinforcement cage, then the movable hanging sling 21 moves to drive the lifting sling 32, the sliding frame 51 and the hanging sling 53 to move horizontally, the hanging sling 53 is hooked on the reinforcement of the reinforcement cage, then the fixed rope 52 moves up, and the weight of the lifting sling 32 is larger than the sum of the weights of the sliding frame 51 and the hanging sling 53, so that the fixed rope 52 moves up to drive the sliding frame 51 and the hanging sling 53 to move up, one end of the hanging sling 53 away from the sliding frame 51 is pressed onto the lifting sling 32, and then the fixed rope 52 moves up to drive the reinforcement cage, the lifting sling 32 and the hanging sling 51 to move up simultaneously.
Referring to fig. 1,2 and 4, the lifting assembly 3 further comprises a limiting piece 33, wherein the limiting piece 33 is arranged on the beam frame 23 and is connected with the lifting sling 32, the limiting piece 33 is used for limiting the lifting sling 32, a plurality of limiting pieces 33 are horizontally arranged at intervals, the limiting piece 33 comprises a plurality of limiting pipes 34 and a plurality of limiting rings 35, the limiting pipes 34 are in vertical states, the diameters of the limiting pipes 34 and the limiting rings 35 are gradually reduced, the limiting pipes 34 and the limiting rings 35 are mutually movably sleeved 71, the top ends of the limiting pipes 34 positioned at the highest positions are fixedly arranged on the lower surface of the beam frame 23, and the bottom ends of the limiting pipes 34 positioned at the lowest positions are fixedly arranged on the upper surface of the lifting sling 32.
Referring to fig. 2 and 4, a first limiting hole 341 and a second limiting hole 342 which are connected together are coaxially formed in the limiting pipe 34, the diameter of the first limiting hole 341 is smaller than that of the second limiting hole 342, a limiting ring 35 is coaxially and fixedly arranged on the outer side wall of one end of the limiting pipe 34, the limiting ring 35 is used for blocking the adjacent two limiting pipes 34 from being separated from each other, meanwhile, the first limiting hole 341 of the front limiting pipe 34 is slidably sleeved on the rear limiting pipe 34, and the second limiting hole 342 of the front limiting pipe 34 is slidably sleeved on the rear limiting ring 35.
Referring to fig. 1 and 5, the two ends of the moving frame 22 in the length direction are provided with the avoidance holes 24, the two ends of the moving frame 22 in the length direction are fixedly provided with the vertical mounting posts 25, the hoisting mechanism 2 further comprises a moving assembly 4, the moving assembly 4 is arranged on the moving hanger 21 and is used for driving the moving hanger 21 to move, the moving assembly 4 is provided with two moving wheels 42 and is positioned on the two supporting tables 13, the moving assembly 4 comprises a sliding rail 41, a moving wheel 42 and a moving motor 43, the sliding rail 41 is fixedly arranged on the upper surface of the supporting table 13, the length direction of the sliding rail 41 is parallel to the length direction of the supporting table 13, and meanwhile, the section of the supporting table 13 is trapezoid, and the section area of the top end of the supporting table is smaller than the section area.
Referring to fig. 1 and 5, a moving wheel 42 is horizontally and rotatably mounted at the bottom end of a mounting column 25, the axis of the rotating direction of the moving wheel 42 is vertical to the length of a sliding rail 41, meanwhile, the moving wheel 42 is also arranged on the lower surface of the moving frame 22 along the length direction of the sliding rail 41 at intervals, an annular moving groove is coaxially formed in the outer side wall of the moving wheel 42, meanwhile, the moving wheel 42 rolls on the sliding rail 41, the sliding rail 41 extends into the moving groove 44 to limit the moving wheel 42, the moving wheel 42 rotates to drive the moving frame 22 to move, a moving motor 43 is fixedly mounted on the side wall of the mounting column 25, and an output shaft of the moving motor 43 is connected with the moving wheel 42. The moving motor 43 is started to drive the moving wheel 42 to rotate, and the moving wheel 42 rotates to drive the moving frame 22 and the beam frame 23 to move simultaneously.
Referring to fig. 1 and 6, a space between two moving frames 22 and a cross beam frame 23 is formed with a mounting space 14 through which a reinforcement cage passes, a spiral upward guide groove 26 is formed on a side wall of a mounting column 25, the moving frames 22 can be moved to a bridge where pouring is completed, and a conversion mechanism 7 for converting a moving position of the moving hanger 21 is provided on the moving frames 22.
Referring to fig. 5 and 6, the conversion mechanism 7 includes a moving sleeve 71, a supporting leg 72, a supporting motor 73 and a lifting assembly 8, the moving sleeve 71 is vertically slidably sleeved on the mounting post 25, and the moving sleeve 71 is located at a position corresponding to the avoidance hole 24, and meanwhile, a guide post extending into the guide groove 26 is fixedly mounted on the moving sleeve 71, so that the moving sleeve 71 can rotate simultaneously when moving up and down, and meanwhile, the rotating angle of the guide post from the top end to the bottom end of the guide groove 26 is 90 degrees, so that the rotating angle range of the moving sleeve 71 is 90 degrees.
Referring to fig. 1 and 6, the support leg 72 includes an inclined section 721 and a vertical section 722 connected together, one end of the inclined section 721 is fixedly installed on a side wall of the movable sleeve 71 near the installation space 14, the inclined section 721 is obliquely downward arranged and extends into the installation space 14, the vertical section 722 is located on one end of the inclined section 721 far away from the movable sleeve 71, the vertical section 722 is vertically downward arranged, meanwhile, the bottom end water of the vertical section 722 is rotatably installed on a support wheel 723, the axis of the support wheel 723 is parallel to the axis of the movable wheel 42, when the movable frame 22 moves out of the support table 13 near the end of the poured bridge, the support wheel 723 can be supported on the upper surface of the poured bridge for supporting, the support motor 73 is fixedly installed on the side wall of the vertical section 722, an output shaft of the support motor 73 is connected with the support wheel 723, and the support motor 73 is started to drive the support wheel 723 to rotate.
Referring to fig. 5 and 6, the lifting assembly 8 is arranged on the movable frame 22 and is rotationally connected with the upper surface of the movable sleeve 71, meanwhile, the lifting assembly 8 is used for driving the movable sleeve 71 to move up and down, the lifting assembly 8 comprises two mounting sleeves 81 and a telescopic rod 82, the mounting sleeves 81 are arranged in a semicircular shape, each mounting sleeve 81 is formed by matching two concentrically arranged semicircular structures, the mounting sleeves 81 are detachably connected with the top end of the movable sleeve 71 through mounting screws, meanwhile, the two mounting sleeves 81 are spliced together, mounting holes 85 are formed in the side walls of the opposite sides of the two mounting sleeves 81, the mounting holes 85 in the two mounting sleeves 81 are matched to form a whole ring shape, a semicircular mounting groove 83 is formed in the lower surface of the side wall, close to the movable sleeve 71, of the mounting sleeve 81, the mounting grooves 83 in the two mounting sleeves 81 are matched to form a whole ring shape, and the axes of the mounting holes 85, the axes of the mounting grooves 83 and the axis of the movable sleeve 71 are coincident.
Referring to fig. 5 and 6, the telescopic rod 82 may be a hydraulic cylinder or an electric push rod, the hydraulic cylinder is fixedly installed on the side wall of the installation column 25 above the moving sleeve 71, the piston rod of the hydraulic cylinder is vertically downward, meanwhile, the piston rod of the hydraulic cylinder passes through the installation hole 85 and extends into the installation groove 83, meanwhile, the rotating wheel 86 rolling on the installation groove 83 is rotatably installed on the piston rod of the hydraulic cylinder, the thickness of the rotating wheel 86 is the same as the height of the installation groove 83, and therefore, the rotating wheel 86 is removed from the installation groove 83 after the installation sleeve 81 is detached, so that the piston rod of the hydraulic cylinder is detached from the moving sleeve 71.
Referring to fig. 1 and 6, the hydraulic cylinder piston rod moves up to drive the installation sleeve 81 and the moving sleeve 71 to move up, the moving sleeve 71 moves up to rotate towards the side far away from the installation space 14 under the action of the guide groove 26, so that the moving sleeve 71 drives the supporting leg 72 and the supporting wheel 723 to move up and simultaneously move away from the installation space 14, the supporting leg 72 and the supporting wheel 723 rotate to the outer side of the installation space 14, then the lifting sling 32 can move down to put down the reinforcement cage, so that the probability of collision between the reinforcement cage and the supporting leg 72 and the supporting wheel 723 is reduced, and the probability of collision between the supporting leg 72 and the supporting wheel 723 and the reinforcement cage just put down is also reduced when the moving frame 22 moves back to transport the reinforcement cage again.
The working principle of the embodiment of the application is as follows:
The reinforcement cage is prefabricated in advance, the mobile motor 43 starts to drive the lifting sling 32 to move to the upper side of the reinforcement cage, then the winch 31 starts to lower the lifting rope 311 to enable the lifting sling 32 to move downwards, the lifting sling 32 is placed on the reinforcement cage, then the lifting rope 311 is lowered to enable the hanging hooks 53 to extend into the reinforcement cage, then the lifting sling 32 horizontally moves to drive the hanging hooks 53 to hook on the reinforcement cage, then the winch 31 starts to drive the lifting rope 311 to move upwards to drive the hanging hooks 53 to move upwards, so that the hanging ropes 311 are pressed against the lower surface of the lifting sling 32, then the lifting rope 311 continues to move upwards to drive the reinforcement cage to move upwards, then the mobile frame 22 moves to drive the reinforcement cage horizontally, and when one end of the mobile frame 22 moves to the outside of the supporting platform 13, the hydraulic cylinder moves to drive the mobile sleeve 71 to move downwards, the supporting feet 72 and the supporting wheels 723 move towards the installation space 14, so that the supporting wheels 723 are supported on the upper surface of the poured bridge, the supporting motor 73 starts to drive the supporting wheels to rotate, after the reinforcement cage horizontally moves to place, the hydraulic cylinder moves upwards to drive the supporting feet 723 and the supporting wheels 723 to move to the installation space 14, and then the lifting frame is moved to the concrete is connected to the outside of the bridge, the construction efficiency is improved, and the construction efficiency is also improved after the construction efficiency is connected to the bridge is moved to the bridge, and the construction efficiency is improved.
The embodiment of the application discloses a use method of integral hoisting equipment applied to a steel reinforcement cage.
Referring to fig. 1 and 2, the steel reinforcement cage integral hoisting equipment and the use method thereof comprise the following steps:
S1, conveying a steel reinforcement framework to the lower part of hoisting equipment;
s2, hoisting the steel reinforcement framework, starting a winch 31 to drive a hoisting sling 32 to move downwards, and connecting the hoisting sling 32 with the steel reinforcement framework through a fixing assembly 5;
s3, starting the lifting assembly 3 to lift the steel reinforcement framework, starting the moving motor 43 to drive the steel reinforcement framework to move to the to-be-installed position, then moving downwards to place the steel reinforcement framework to the to-be-installed position for installation, and finally unlocking the fixing assembly 5 to detach the lifting sling 32 from the steel reinforcement framework;
S4, finally casting concrete, so that the cast concrete and the bridge after casting are fixedly connected together;
S5, repeating the steps S1-S4, and continuously installing the next reinforcement cage.
The working principle of the embodiment of the application is as follows:
The steel reinforcement framework is transported to the lower portion of the hoisting equipment, the hoisting machine 31 is started to drive the hoisting sling 32 to move downwards, then the hoisting sling 32 is fixedly installed on the steel reinforcement framework through the fixing assembly 5, then the hoisting sling 32 moves upwards to lift the steel reinforcement framework, then the steel reinforcement framework is transported to a place to be installed, then the steel reinforcement framework is placed to the place to be installed, then the hoisting sling 32 and the steel reinforcement framework are detached through the unlocking fixing assembly 5, finally concrete is poured, the poured concrete and the poured bridge are connected together, and then the installation of the steel reinforcement framework at the next time is continuously repeated.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (9)
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| CN202210809158.8A CN115231450B (en) | 2022-07-11 | 2022-07-11 | A steel frame integral lifting equipment and use method |
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| CN202210809158.8A CN115231450B (en) | 2022-07-11 | 2022-07-11 | A steel frame integral lifting equipment and use method |
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| CN109267490A (en) * | 2018-10-17 | 2019-01-25 | 中铁大桥局集团有限公司 | A kind of long nose-girder type mobile formwork and its construction method |
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| KR20030093680A (en) * | 2002-06-05 | 2003-12-11 | 브이에스엘코리아 주식회사 | The construction method of double-t girder bridge by underslung movable scaffolding system |
| JP5702640B2 (en) * | 2011-03-28 | 2015-04-15 | 三井住友建設株式会社 | Bridge crane, bridge erection method, and bridge removal method |
| CA3050107A1 (en) * | 2017-01-13 | 2018-07-19 | Bridge And Track Crane Llc D/B/A Rcrane | Mobile crane systems and methods |
| CN111576241A (en) * | 2020-06-08 | 2020-08-25 | 中铁十六局集团第三工程有限公司 | Bridge girder erection machine for erecting spliced wide beam and bridge girder erection method |
| KR20200120889A (en) * | 2020-10-05 | 2020-10-22 | 주식회사 브이엘씨테크놀로지 | Gantry crane having hoisting unit capable of multiple winding of wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109267490A (en) * | 2018-10-17 | 2019-01-25 | 中铁大桥局集团有限公司 | A kind of long nose-girder type mobile formwork and its construction method |
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