CN112324157B - Installation method of electric power synchronous lifting net rack - Google Patents
Installation method of electric power synchronous lifting net rack Download PDFInfo
- Publication number
- CN112324157B CN112324157B CN202011159904.0A CN202011159904A CN112324157B CN 112324157 B CN112324157 B CN 112324157B CN 202011159904 A CN202011159904 A CN 202011159904A CN 112324157 B CN112324157 B CN 112324157B
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- net rack
- lifting
- frame
- hoisting
- unit
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
Abstract
The invention relates to the technical field of net rack installation, and discloses an installation method for an electrodynamic force synchronous lifting net rack, which comprises the following steps: step 1: assembling the partitioned net rack in a designated area on the ground, and assembling the lifting frame and the electric hoist arranged at the top of the lifting frame in time in the assembling process; step 2: debugging a master control box to prepare for lifting work; and step 3: carrying out trial hoisting, starting a power supply of a control cabinet, hoisting, stopping hoisting after the net rack is synchronously hoisted by-mm, checking whether abnormal phenomena exist in a hoisting frame, a foundation, a hoisting tool, a rigging and the like, and eliminating the abnormality; and 4, step 4: after the steps are finished, formal hoisting is carried out, a main switch of the control cabinet is started to enable the net rack to ascend by m, and whether the net rack ascends synchronously is checked; and 5: and lifting to a design height value. The invention has simple and convenient structure and operation, reduces the installation difficulty of the net rack, and improves the success rate and the safety of the net rack during lifting.
Description
Technical Field
The invention relates to the technical field of net rack installation, in particular to an installation method for an electric power synchronous lifting net rack.
Background
At present, the grid structure is a latticed high-order hyperstatic structure formed by combining a plurality of rod pieces according to a certain rule. All the rod pieces can participate in the work and have good stress performance, the rigidity and the integrity of the rod pieces are superior to those of a common plane structure, and the rod pieces can effectively bear various asymmetric loads, concentrated loads and dynamic loads. The grid structure is convenient to manufacture and install. The rod pieces and the nodes can be produced in a factory, so that the field workload is reduced to the minimum, and meanwhile, a complex technology is not required, so that the net rack is convenient for shaped industrial application.
The conventional net rack mounting method comprises the following steps: integral hoisting method; when the field is allowed, the net rack can be used as a total net splicing rack of a working face on the field, and then the crane is used for carrying out load walking for a larger distance to install the net rack. The integral lifting method is a construction method that a lifting equipment lifting net rack is installed on a structural column, or a column slip form is carried out while the net rack is lifted, and the net rack can be used as an operation platform. The integral jacking method is suitable for point supporting net rack, and during jacking, the net rack can only be vertically lifted and can not or can not be translated or rotated. The high-altitude sliding method is an installation method that the strip net rack units are arranged on a preset slide rail and slide to a designed position to be spliced into a whole.
However, the existing stage net rack installation method generally has the defects of complex construction process, high operation difficulty and low safety.
Disclosure of Invention
The invention aims to provide an installation method of an electric power synchronous lifting net rack, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an installation method of an electric power synchronous lifting net rack comprises the following steps:
step 1: assembling the partitioned net rack in a designated area on the ground, and assembling the lifting frame and the electric hoist arranged at the top of the lifting frame in time in the assembling process;
step 2: debugging a master control box to prepare for lifting work;
and step 3: carrying out trial hoisting, starting a power supply of the control cabinet, lifting, synchronously lifting the net rack for 500 plus 1000mm, stopping hoisting, checking whether abnormal phenomena exist in a hoisting frame, a foundation, a hoisting tool, a rigging and the like, and eliminating the abnormality;
and 4, step 4: after the steps are finished, formal hoisting is carried out, a main switch of the control cabinet is started to enable the net rack to ascend by 1m, and whether the net rack ascends synchronously is checked;
and 5: lifting to a design height value;
step 6: after the net rack is lifted to the designed elevation, a T chain block is arranged at the upper end of part of the steel columns, the other end of the block is connected with the net rack lower chord node, the chain block is tightened to enable the net rack to move towards the direction of the support until the net rack support is positioned right above the column, and then the net rack is synchronously descended to the column.
And 7: and (4) completing the steps, welding the column top support, completing the rod piece at the position of the lifting frame, dismantling the lifting frame, and entering the assembling and lifting work of the next unit net rack.
As a further improvement of the scheme, the lifting frame comprises a frame body, a hanging frame fixed on the top of the frame body and a plurality of electric hoists fixed on the hanging frame, wherein traction ropes of the electric hoists are used for being fixed with the net rack.
As a further improvement of the scheme, the rack body comprises a plurality of unit racks which are detachably connected, and adjacent unit racks are fixed through a connecting mechanism.
As a further improvement of the above scheme, the connection mechanism includes two sets of rotary connection frames and a locking unit for fixing the two rotary connection frames, the rotary connection frames include a rotating shaft, two rotating rods symmetrically fixed on the rotating shaft, and fixing columns parallel to the rotating shaft, the fixing columns are fixed at the ends of the two rotating rods, and the locking unit is used for fixing the two fixing columns.
As a further improvement of the above scheme, the locking unit includes two U-shaped insertion posts, insertion holes are formed in the fixing post along the length direction of the fixing post, and two ends of the insertion posts respectively penetrate through two adjacent unit frames and then are inserted into the insertion holes in the fixing post.
As a further improvement of the scheme, one end, close to the rod body, of the butted rod bodies in the adjacent unit frames is of a solid structure, and the inner side of the middle of each inserting column is in contact with the outer side of the rod body of the adjacent unit frame in an attaching mode and is fixedly connected with the outer side of the rod body of the adjacent unit frame through a locking bolt.
As a further improvement of the above scheme, the outer sides of the rod bodies butted in the adjacent unit frames are respectively provided with an arc-shaped protrusion, the inner sides of the arc-shaped protrusions are semicircular grooves, the two unit frames are spliced with each other so that the two corresponding arc-shaped protrusions are butted in a circular ring shape, the two semicircular grooves are spliced to form a threaded hole, and the threaded hole is used for being matched and connected with a locking bolt;
and a through hole for the insertion column to pass through is formed in one adjacent side of the two unit frames.
As a further improvement of the above scheme, the screw hole inboard is seted up respectively with the through-hole of the perforation intercommunication of both sides, set up positioning unit in the through-hole, locking unit includes the locating pin, fixes at the fly leaf of locating pin one end and fixes the boss at the through-hole inner wall, boss and fly leaf are through replying spring coupling, and the fly leaf is close to the locking bolt setting, and the outside is provided with the first arch that is used for contradicting with the locking bolt outer wall, the other end of locating pin stretches into in the adjacent perforation, the side of inserting the post is seted up and is used for corresponding the keyway of being connected with the locating pin.
The invention has the beneficial effects that:
according to the installation method of the hoisting net rack, the net rack is installed in the subareas, the net rack is hoisted in the subareas, the installation efficiency is improved, the construction difficulty is reduced, the danger during construction is reduced, the operation is convenient, and the hoisting rack for hoisting the net rack is convenient to disassemble and assemble so as to complete the net rack.
The lifting frame comprises a frame body, wherein the frame body is composed of hanging frames, the hanging frames are fixed through connecting mechanisms, the hanging frames are in a rectangular frame shape, the connecting mechanisms are arranged on four side surfaces of each hanging frame, the connecting mechanisms on two opposite sides are used for being connected with the hanging frame below the connecting mechanisms, the other two connecting mechanisms are used for being connected with the hanging frame above the connecting mechanisms, the structure is more stable, fixing columns in the connecting mechanisms are fixedly connected through inserting columns, the inserting columns penetrate through the hanging frames and are fixedly inserted into the fixing columns, and the inserting columns are connected through locking bolts, so that the mounting and dismounting are convenient, the mounting and dismounting of the lifting frame are more convenient, and the net rack lifting efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of soil 1 of the present invention at A;
FIG. 3 is an enlarged view of FIG. 2 at B of the present invention;
FIG. 4 is a schematic side view of the side splice of the unit frame of the present invention;
fig. 5 is a schematic structural view of the swivel link according to the present invention.
In the figure: the rack 100, the rack body 200, the hanger 201, the electric hoist 202, the traction rope 203, the unit frame 210, the rotating shaft 211, the rotating rod 220, the fixed column 221, the insertion hole 222, the insertion column 230, the locking bolt 231, the positioning pin 240, the pin slot 241, the boss 242, the return spring 243, the movable plate 244, the first protrusion 245, the through hole 250, the arc-shaped protrusion 251, the semi-circular slot 252 and the threaded hole 253.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, an installation method of an electromotive force synchronous lifting net rack includes the following steps:
step 1: the split net rack 100 is assembled in the designated area on the ground, and the lifting frame and the electric block arranged at the top of the lifting frame are assembled in time in the assembling process so as to facilitate the subsequent work.
Step 2: debugging a master control box to prepare for lifting work;
and step 3: performing trial hoisting, starting a power supply of the control cabinet, hoisting, synchronously hoisting the net rack 100 for 500 plus 1000mm, stopping hoisting, checking whether abnormal phenomena exist in the hoisting frame, the foundation, the hoisting tool, the rigging and the like, and eliminating the abnormality;
and 4, step 4: after the steps are finished, formal hoisting is carried out, a main switch of the control cabinet is started to lift the net rack 100 by 1m, whether the net rack 100 is lifted synchronously or not is checked, if the net rack 100 is lifted synchronously, the next step of work can be carried out, and if the net rack is not lifted synchronously, the reason needs to be checked, and the fault is eliminated;
and 5: lifting to a design height value;
step 6: after the net rack 100 is lifted to the designed elevation, 5T chain blocks are arranged at the upper ends of part of the steel columns, the other ends of the chain blocks are connected with the lower chord nodes of the net rack 100, the chain blocks are tightened to enable the net rack 100 to move towards the direction of the support until the support of the net rack 100 is located right above the column, and then the net rack 100 synchronously descends to the column.
And 7: after the above steps are completed, the column top support is welded, the rod members at the position of the hoisting frame are completed, the hoisting frame is removed, and the next unit net rack 100 is assembled and hoisted.
As a further improvement of the above solution, the lifting frame comprises a frame body 200, a lifting frame 201 fixed on the top of the frame body 200, and a plurality of electric hoists 202 fixed on the lifting frame 201, wherein the traction ropes 203 of the electric hoists 202 are used for being fixed with the net rack 100.
As a further improvement of the above scheme, the rack body 200 includes a plurality of unit racks 210 detachably connected, and adjacent unit racks 210 are fixed by a connecting mechanism.
As a further improvement of the above scheme, the connection mechanism includes two sets of rotary connection frames and a locking unit for fixing the two rotary connection frames, the rotary connection frames include a rotating shaft 211, two rotating rods 220 symmetrically fixed on the rotating shaft 211, and fixing columns 221 parallel to the rotating shaft 211, the fixing columns 221 are fixed at the ends of the two rotating rods 220, and the locking unit is used for fixing the two fixing columns 221.
As a further improvement of the above solution, the locking unit includes two U-shaped insertion posts 230, the fixing post 221 is provided with insertion holes 222 along the length direction thereof, and two ends of the insertion post 230 respectively penetrate through two adjacent unit frames 210 and are inserted into the insertion holes 222 in the fixing post 221.
As a further improvement of the above scheme, one end of the rod body adjacent to the butt joint in the adjacent unit frame 210 is a solid structure, and the inner side of the middle part of the insert column 230 is in contact with the outer side of the rod body of the adjacent unit frame 210 and is fixedly connected with the outer side of the rod body of the adjacent unit frame 210 through a locking bolt 231.
As a further improvement of the above scheme, the outer sides of the rod bodies butted in the adjacent unit frames 210 are respectively provided with an arc-shaped protrusion 251, and the inner sides of the arc-shaped protrusions 251 are semicircular grooves 252, the two unit frames 210 are spliced with each other to make the two corresponding arc-shaped protrusions 251 butted in a circular ring shape, the two semicircular grooves 252 are spliced to form a threaded hole 253, and the threaded hole 253 is used for being matched and connected with the locking bolt 231.
The adjacent sides of the two unit frames 210 are provided with through holes 250 for the insertion posts 230 to pass through.
As a further improvement of the above scheme, through holes respectively communicating with the through holes 250 at both sides are formed in the inner side of the threaded hole 253, a positioning unit is arranged in the through hole, the locking unit includes a positioning pin 240, a movable plate 244 fixed at one end of the positioning pin 240, and a boss 242 fixed on the inner wall of the through hole, the boss 242 and the movable plate 244 are connected by a return spring 243, the movable plate 244 is arranged near the locking bolt 231, a first protrusion 245 for abutting against the outer wall of the locking bolt 231 is arranged at the outer side, the other end of the positioning pin 240 extends into the adjacent through hole 250, and a pin groove 241 for correspondingly connecting with the positioning pin 240 is formed in the side surface of the insert column 230.
The hoisting frame that this device provided includes support body 200, wherein support body 200 is constituteed by each gallows 201, it is fixed through coupling mechanism between each gallows, gallows 201 is the rectangular frame form, and four sides of gallows all are provided with coupling mechanism, wherein the coupling mechanism of two opposite sides is used for and is located the gallows 201 connection of its below, and two coupling mechanism are used for and are located the gallows 201 connection of its top in addition, make the structure more firm, through inserting post fixed connection between the fixed column 221 in the coupling mechanism, it is fixed with fixed column 221 grafting after passing gallows 201 to insert post 230, and connect through locking bolt 231, can dismantle by easy to assemble, make the installation of hoisting frame dismantle more conveniently, improve rack hoisting efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An installation method of an electric power synchronous lifting net rack is characterized by comprising the following steps:
step 1: assembling a partitioned net rack (100) in a designated area on the ground, and assembling a lifting frame and an electric hoist arranged at the top of the lifting frame in time in the assembling process;
step 2: debugging a master control box to prepare for lifting work;
and step 3: carrying out trial hoisting, starting a power supply of the control cabinet, lifting, and stopping hoisting after the net rack (100) is synchronously lifted for 500 plus 1000mm, checking whether the hoisting frame, the foundation, the lifting appliance and the rigging have abnormal phenomena or not, and eliminating the abnormality;
and 4, step 4: after the steps are finished, formal hoisting is carried out, a main switch of the control cabinet is started to enable the net rack (100) to ascend by 1m, and whether the net rack (100) ascends synchronously is checked;
and 5: lifting to a design height value;
step 6: after the net rack (100) is lifted to a designed elevation, arranging a 5T chain block at the upper end of part of the steel columns, connecting the other end of the block with the lower chord node of the net rack (100), tightening the chain block to move the net rack (100) towards the direction of the support until the support of the net rack (100) is positioned right above the column, and then synchronously descending the column;
and 7: after the steps are completed, welding the column top support, completing the rod piece at the position of the lifting frame, dismantling the lifting frame, and entering the assembling and lifting work of the next unit net rack (100);
the lifting frame comprises a frame body (200), a hanging bracket (201) fixed at the top of the frame body (200) and a plurality of electric hoists (202) fixed on the hanging bracket (201), wherein traction ropes (203) of the electric hoists (202) are used for being fixed with the net rack (100);
the rack body (200) comprises a plurality of unit racks (210) which are detachably connected, and adjacent unit racks (210) are fixed through a connecting mechanism;
the connecting mechanism comprises two groups of rotary connecting frames and a locking unit for fixing the two rotary connecting frames, the rotary connecting frames comprise rotating shafts (211), two rotating rods (220) symmetrically fixed on the rotating shafts (211) and fixing columns (221) parallel to the rotating shafts (211), the fixing columns (221) are fixed at the tail ends of the two rotating rods (220), and the locking unit is used for fixing the two fixing columns (221);
the locking unit comprises two U-shaped inserting columns (230), inserting holes (222) are formed in the fixing column (221) along the length direction of the fixing column, and two ends of each inserting column (230) penetrate through two adjacent unit frames (210) respectively and then are inserted into the inserting holes (222) in the fixing column (221).
2. The method of claim 1 for mounting an electromotive synchronous lifting net rack, comprising: the end, close to the rod body, of the butt joint rod body in the adjacent unit frame (210) is of a solid structure, and the inner side of the middle of the inserting column (230) is in contact with the outer side of the rod body of the adjacent unit frame (210) in an attaching mode and is fixedly connected with the outer side of the rod body of the adjacent unit frame (210) through a locking bolt (231).
3. The method of claim 2 in which the mounting of the electro-dynamic synchronous lifting net mount is carried out by: the outer sides of the rod bodies which are butted in the adjacent unit frames (210) are respectively provided with an arc-shaped protrusion (251), the inner sides of the arc-shaped protrusions (251) are semicircular grooves (252), the two unit frames (210) are spliced with each other to enable the two corresponding arc-shaped protrusions (251) to be butted in a circular ring shape, the two semicircular grooves (252) are spliced to form threaded holes (253), and the threaded holes (253) are used for being matched and connected with the locking bolts (231);
and through holes (250) for the insertion columns (230) to pass through are formed in the adjacent sides of the two unit frames (210).
4. The method of claim 3 in which the mounting of an electromotive synchronous lifting frame is carried out by: the through-hole that the perforation (250) intercommunication respectively with both sides is seted up to screw hole (253) inboard, set up positioning unit in the through-hole, locking unit includes locating pin (240), fixes at fly leaf (244) of locating pin (240) one end and fixes boss (242) at the through-hole inner wall, boss (242) and fly leaf (244) are connected through answer spring (243), and fly leaf (244) are close to locking bolt (231) and set up, and the outside is provided with and is used for the first arch (245) of contradicting with locking bolt (231) outer wall, the other end of locating pin (240) stretches into in adjacent perforation (250), the side of inserting post (230) is seted up and is used for corresponding keyway (241) of being connected with locating pin (240).
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CN202011159904.0A CN112324157B (en) | 2020-10-27 | 2020-10-27 | Installation method of electric power synchronous lifting net rack |
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CN112324157B true CN112324157B (en) | 2021-12-14 |
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JPH0243466A (en) * | 1988-08-03 | 1990-02-14 | Okumura Corp | Method for placing concrete of ferro-concrete structure |
JP2009114810A (en) * | 2007-11-09 | 2009-05-28 | Dai Ichi High Frequency Co Ltd | Bar arrangement structure of concrete beam and method for execution of bar arrangement |
CN204738551U (en) * | 2015-07-02 | 2015-11-04 | 中冶建工集团有限公司 | Assembled safety protection canopy convenient to dismouting |
CN107575032A (en) * | 2017-07-18 | 2018-01-12 | 江苏绿色辉煌节能科技有限公司 | A kind of bolt-ball net frame roofing installation method |
CN109850784A (en) * | 2019-01-25 | 2019-06-07 | 上海建工五建集团有限公司 | A kind of steel structure net rack promotes positioning system and method |
CN110259084A (en) * | 2019-07-05 | 2019-09-20 | 贵州黔大建筑设备有限公司 | A kind of construction site scaffold |
CN211597685U (en) * | 2020-01-16 | 2020-09-29 | 广东省构建工程建设有限公司 | Scaffold convenient to assemble and disassemble for green building |
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2020
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0243466A (en) * | 1988-08-03 | 1990-02-14 | Okumura Corp | Method for placing concrete of ferro-concrete structure |
JP2009114810A (en) * | 2007-11-09 | 2009-05-28 | Dai Ichi High Frequency Co Ltd | Bar arrangement structure of concrete beam and method for execution of bar arrangement |
CN204738551U (en) * | 2015-07-02 | 2015-11-04 | 中冶建工集团有限公司 | Assembled safety protection canopy convenient to dismouting |
CN107575032A (en) * | 2017-07-18 | 2018-01-12 | 江苏绿色辉煌节能科技有限公司 | A kind of bolt-ball net frame roofing installation method |
CN109850784A (en) * | 2019-01-25 | 2019-06-07 | 上海建工五建集团有限公司 | A kind of steel structure net rack promotes positioning system and method |
CN110259084A (en) * | 2019-07-05 | 2019-09-20 | 贵州黔大建筑设备有限公司 | A kind of construction site scaffold |
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