CN114084794B - Automatic lifting appliance for segmental beam and construction method thereof - Google Patents
Automatic lifting appliance for segmental beam and construction method thereof Download PDFInfo
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- CN114084794B CN114084794B CN202111310469.1A CN202111310469A CN114084794B CN 114084794 B CN114084794 B CN 114084794B CN 202111310469 A CN202111310469 A CN 202111310469A CN 114084794 B CN114084794 B CN 114084794B
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/08—Trolleys or crabs, e.g. operating above runways with turntables
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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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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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
- 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
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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
- 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
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an automatic lifting appliance for a segmental beam, which comprises the following components: a hoisting beam connected to the hoisting device; the rotary cross beam is connected with the hoisting Liang Huizhuai; the pair of movable longitudinal beams are arranged on two longitudinally opposite sides of the rotary cross beam in a sliding manner; the longitudinal sliding blocks are arranged corresponding to each guide groove of the movable longitudinal beam, and a pair of longitudinal sliding blocks are connected through a sliding block connecting rod; the section beam suspender is provided with one section beam suspender corresponding to each longitudinal moving sliding block, the section beam suspender is rotationally connected with the longitudinal moving sliding blocks, the upper end of the section beam suspender is connected with a rotary push rod, two rotary push rods corresponding to the same moving longitudinal beam are hinged through a suspender connecting rod, the section beam suspender just penetrates through a guide groove, and the lower end of the section beam suspender is fixedly connected with a hole site padlock which is matched with a section beam hoisting hole. The invention also discloses a construction method of the automatic lifting appliance for the segmental beam. The lifting device has the advantages that the lifting process of the lifting device is safe and orderly, the lifting is accurate, the number of workers in the lifting construction can be reduced, and the construction safety is ensured.
Description
Technical Field
The invention relates to the technical field of segment beam lifting and carrying equipment. More particularly, the invention relates to an automated hanger for a segmented beam and a construction method thereof.
Background
The traditional section beam hoisting adopts manual auxiliary installation to fix the suspender lifting appliance, lifting equipment is used for lifting the lifting appliance to the upper part of the section beam, the relative position between the suspender and the lifting hole on the upper surface of the section beam is manually pulled and adjusted, the lifting appliance is placed after accurate alignment is completed, and then a fixed anchor is manually installed to complete alignment and fixation of the lifting appliance once. The traditional segmental beam hoisting needs a plurality of workers to assist in aligning and installing the fixed anchor, so that the time required for hoisting once is long, and the segmental beam is often required to be hoisted and piled for a plurality of times from a prefabrication field to a construction field.
In the process of implementing the invention of the present application, the inventor finds that at least the following problems exist in the prior art: 1. when the traditional section beam is hoisted, accurate alignment is finished mainly by manual assistance, so that a lifting appliance suspender enters the section Liang Diaokong, and the adjusting process is slow; 2. the traditional segmental beam lifting tool is connected with the segmental beam to form finish rolling screw thread reinforcing steel bars, the connection process is time-consuming and requires much labor; 3. the number of times of transferring the segmental beams is large, the labor consumption and the labor hour accumulation are large, and the risks of high-altitude operation and installation are present.
Disclosure of Invention
The invention aims to provide an automatic lifting appliance for a section beam and a construction method thereof, which solve the problem of low efficiency of repeated lifting of the section beam.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a segment beam automatic lifting appliance, comprising:
the center of the top of the lifting beam is connected with a lifting hook or a connector of the lifting equipment;
the rotary cross beam is positioned below the hoisting beam in parallel and is in rotary connection with the hoisting beam through an adapter;
the movable longitudinal beams are arranged on two opposite sides of the longitudinal direction of the rotary cross beam in a sliding manner, and are provided with a pair of guide grooves which are arranged along the central line of the movable longitudinal beams;
the longitudinal sliding blocks are arranged corresponding to each guide groove of each movable longitudinal beam, and a pair of longitudinal sliding blocks are arranged above the guide grooves and connected through sliding block connecting rods;
the section beam suspender is provided with one corresponding to each longitudinally moving sliding block, the section beam suspender vertically penetrates through the longitudinally moving sliding blocks and is rotationally connected with the longitudinally moving sliding blocks, the upper ends of the section beam suspenders are connected with rotary push rods, the rotary push rods of the section beam suspenders corresponding to the same movable longitudinal beam are hinged through suspender connecting rods, and the section beam suspenders just penetrate through the guide grooves and are fixedly connected with hole site padlock at the lower ends, and the section beam suspender is matched with the section beam hoisting holes.
Preferably, the upper surfaces of both sides of the rotary cross beam are fixedly provided with sliding plates, and the movable longitudinal beams are arranged on the sliding plates in a sliding manner.
Preferably, the pair of movable longitudinal beams are connected through a longitudinal beam connecting rod, the longitudinal beam connecting rod is provided with a pair of movable longitudinal beams and is symmetrically arranged on two lateral sides of the movable longitudinal beam respectively, a transverse moving hydraulic cylinder is fixed on the rotary cross beam, and the end part of a telescopic rod of the transverse moving hydraulic cylinder is fixedly connected to one of the movable longitudinal beams.
Preferably, the longitudinal beam connecting rod is connected with the movable longitudinal beam through bolts, and a plurality of foundation gaskets are further arranged between the contact surfaces of the longitudinal beam connecting rod and the movable longitudinal beam.
Preferably, the slide block connecting rod comprises a pair of bottom plates and a slide plate, the pair of bottom plates are respectively and fixedly connected with the pair of longitudinally moving slide blocks, the pair of bottom plates are respectively provided with a long strip-shaped hole, the slide plate is clung to the upper part of the pair of bottom plates and is overlapped with the bottom plates, the two sides of the slide plate are correspondingly provided with threaded holes which are respectively corresponding to the long strip-shaped holes on the pair of bottom plates and are connected through bolts.
Preferably, all be provided with on the removal longeron and indulge and move the pneumatic cylinder, its telescopic link fixed connection to the slide bottom surface, the slide top surface still articulates and is provided with jib padlock pneumatic cylinder, its telescopic link articulates to on the jib connecting rod, realize the gyration action through setting up the gyration pneumatic cylinder between hoist and mount roof beam and the gyration crossbeam.
Preferably, the rotary beam is provided with an electric cabinet and a hydraulic system, the hydraulic system is used for controlling the action of the transverse moving hydraulic cylinder, the longitudinal moving hydraulic cylinder and the hanging rod padlock hydraulic cylinder, the bottoms of the two longitudinal sides of the rotary beam are respectively provided with a fixed rod which transversely extends to the outside of the rotary beam, the fixed rods are provided with a displacement sensor and an image collector which respectively acquire corresponding distance data and image data and transmit the distance data and the image data to the electric cabinet, and the electric cabinet transmits control instructions to the hydraulic system.
Preferably, a spring hold down device is provided for each segment beam hanger bar, comprising:
the connecting plate is transversely arranged on the bottom surface of the movable longitudinal beam in a sliding manner, the connecting plate is provided with a through hole, and the section beam hanging rod just penetrates through the through hole;
the positioning plug is arranged in a conical shape and matched with the section beam lifting hole, and is sleeved on the section beam lifting rod in a sliding way through a central hole of the positioning plug;
and the springs are symmetrically arranged on two sides of the segmental beam suspender, and two ends of each spring are respectively connected to the connecting plate and the locating plug.
Preferably, the top surface of the hole site padlock is fixedly provided with a flexible wedge block.
The invention also provides a construction method of the automatic lifting appliance for the segmental beam, which comprises the following steps:
step one: checking whether a hole site rectangle taking the center of a section beam lifting hole as a vertex and a boom rectangle taking the centers of four section beam booms as vertices are congruent rectangles before lifting, if not, adjusting the longitudinal distance of the section beam booms by increasing or decreasing basic gaskets between the contact surfaces of the longitudinal beam connecting rods and the movable longitudinal beam, and adjusting the transverse distance of the section beam booms by adjusting the overlapped area between a pair of bottom plates and the sliding plates;
step two: lifting the automatic lifting appliance of the section beam to the upper part of the section beam by lifting equipment, monitoring the position information of the movable longitudinal beam, the sliding block connecting rod and the section beam lifting rod by a displacement sensor, and if all mechanisms are in the set stroke middle position, not acting each hydraulic cylinder, otherwise, enabling all mechanisms to return to the set stroke middle position by acting the hydraulic cylinders, so as to ensure that the gravity center of the automatic lifting appliance of the section beam falls at the geometric center of the rectangular lifting rod;
step three: the hoisting equipment lowers the automatic lifting appliance of the segmental beam, at the moment, the image collector collects the relative position between the boom rectangle and the hole site rectangle in the horizontal direction, and drives the rotary cross beam to rotate in the horizontal direction, so that each side of the boom rectangle and each side of the hole site rectangle are kept parallel in the overlooking direction, and the angle deviation is eliminated;
step four: continuously lowering the automatic lifting appliance of the segmental beam, judging the horizontal distance between each side of the rectangular boom and each side of the rectangular hole site through the picture acquired by the image acquisition device, controlling the corresponding hydraulic cylinder to act to drive the movable longitudinal beam and the longitudinally movable sliding block to act, and eliminating the horizontal distance deviation between each side of the rectangular boom and each side of the rectangular hole site in real time, so that the two rectangles are basically overlapped in the overlooking direction;
step five: continuously lowering the automatic segment beam lifting appliance, acquiring distance information between the automatic segment beam lifting appliance and the upper surface of the segment beam by a displacement sensor, and lifting the automatic segment beam lifting appliance if the hole site padlock is not correctly aligned with the hoisting hole of the segment beam after the distance between the automatic segment beam lifting appliance and the segment beam enters a set range, and performing secondary alignment until the hole site padlock at the lower end of the hanging rod of the segment beam can smoothly enter the hoisting hole site of the segment beam;
step six: monitoring the relative distance between the automatic hanger of the section beam and the section beam by a displacement sensor, stopping releasing the automatic hanger of the section beam after reaching a specified distance range, driving a hanging rod padlock hydraulic cylinder to act, enabling the hanging rod of the section beam to rotate 90 degrees relative to the automatic hanger of the section beam, and completing the padlock, wherein a spring pressing device presses a positioning plug in a hanging hole position of the section beam, and restraining the movement of the hanging rod of the section beam in the horizontal direction in the hole position;
step seven: after the padlock is completed, driving each hydraulic cylinder to act, so that each mechanism returns to the stroke middle position, ensuring that the gravity center of the segmental beam lifting appliance is overlapped with the gravity center of the segmental beam in the overlooking direction, and completing the independent alignment and padlock flow;
step eight: after the hoisting section beam reaches a designated position, driving a hanging rod padlock hydraulic cylinder to act, so that the section beam hanging rod rotates to an initial position, the padlock is released, and then the section beam automatic position lifting tool is lifted to a next working position;
step nine: and (3) repeating the second step to the eighth step to finish repeated hoisting of the section beam for a plurality of times.
The invention at least comprises the following beneficial effects:
1. the three-degree-of-freedom pose adjusting mechanism and the four-bar synchronous rotating mechanism are adopted, the rectangular boom taking the centers of the four booms as vertexes in a certain range can rotate, transversely move and longitudinally move relative to the segmental beam, and then the displacement sensor and the image collector are used for assisting to eliminate the position deviation, so that automatic accurate alignment and automatic padlock between the segmental beam boom and the segmental beam lifting hole are completed;
2. the padlock type suspender is adopted, and is automatically rotated to lock, reset and unlock, and the padlock stress surface is designed to be a flexible contact inclined surface which can adapt to the inclined surface of the inner cavity of the section beam, so that the stress is ensured to be uniform;
3. according to the method, the spring pressing device is used for pressing the boom positioning plug, the boom positioning plug is pressed into the section beam lifting hole in a self-adaptive mode, and the boom is ensured to be relatively stable relative to the section beam;
4. the intelligent monitoring system is adopted, the working state of the automatic lifting appliance of the segmental beam is monitored in real time, the safe, orderly and accurate execution of the actions of each mechanism is controlled, the number of workers in lifting construction is reduced, and the construction safety is guaranteed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of the spreader of the present invention;
FIG. 2 is a front view of the spreader of the present invention;
FIG. 3 is a top view of the spreader of the present invention;
FIG. 4 is a bottom view of the spreader of the present invention;
FIG. 5 is a schematic view of the construction of a segmented beam boom of the present invention.
Reference numerals illustrate:
1. hoisting beam, 2, adapter, 3, gyration crossbeam, 4, longeron connecting rod, 5, movable longeron, 6, indulge and move the slider, 7, segmental beam jib, 8, flexible voussoir, 9, the location stopper, 10, displacement sensor, 11, image acquisition ware, 12, spring, 13, sideslip pneumatic cylinder, 14, gyration pneumatic cylinder, 15, electric cabinet, 16, hydraulic system, 17, indulge and move pneumatic cylinder, 18, jib padlock pneumatic cylinder, 19, jib connecting rod, 20, slider connecting rod, 21, jib rectangle, 22, gyration push rod, 23, hole site padlock, 24, rectangular shape hole, 25, guide way.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention. The longitudinal direction of the present application refers to the left-right direction in fig. 3, and the lateral direction refers to the up-down direction in fig. 3.
As shown in fig. 1 to 5, the present invention provides a segmental beam automatic sling, comprising:
a hoisting beam 1, the top center of which is connected with a hook or a connector of a hoisting device;
the rotary cross beam 3 is positioned below the hoisting beam 1 in parallel, and the rotary cross beam 3 is in rotary connection with the hoisting beam 1 through an adapter 2;
a pair of moving stringers 5 slidably provided on longitudinally opposite sides of the swing cross member 3, the moving stringers 5 being provided with a pair of guide grooves 25 provided along a center line of the moving stringers 5;
a pair of longitudinally moving sliders 6, one for each guide groove 25 of each moving longitudinal beam 5, the longitudinally moving sliders 6 being disposed above the guide grooves 25 and connected by slider links 20;
the section beam suspender 7 is arranged corresponding to each longitudinally moving sliding block 6, the section beam suspender 7 vertically penetrates through the longitudinally moving sliding blocks 6 and is rotationally connected with the longitudinally moving sliding blocks 6, the upper ends of the section beam suspender 7 are connected with rotary push rods 22, the rotary push rods 22 of the two section beam suspenders 7 corresponding to the same movable longitudinal beam 5 are hinged through a suspender connecting rod 19, and the section beam suspender 7 just penetrates through the guide groove 25 and is connected with a hole site padlock 23 at the lower end, and the hole site padlock is matched with a section beam hoisting hole.
In the technical scheme, the three-degree-of-freedom pose adjusting mechanism and the four-bar synchronous rotating mechanism realize the control of four section beam hanging rods 7, the rotation of the rotating cross beam 3, the longitudinal movement of the moving longitudinal beam 5 and the transverse movement of the longitudinal moving sliding block 6 form the three-degree-of-freedom pose adjusting mechanism, the three-degree-of-freedom adjusting mechanism can enable the hanging rod rectangle 21 taking the center of the four section beam hanging rods 7 as the top point to rotate, transversely move and longitudinally move in the horizontal direction, the sliding block connecting rod 20, the pair of rotating push rods 22 and the hanging rod connecting rod 19 form the four-bar synchronous rotating mechanism, the four-bar synchronous mechanism can enable the four section beam hanging rods 7 to synchronously rotate for 90 degrees relative to a lifting appliance to complete padlock, and when the section beam is lifted, the hole site 23 at the lower end of the section beam hanging rod 7 contacts with the inner cavity of the section beam hanging hole to form a stress surface, the section beam hanging hole is rectangular, and the hole site 23 just stretches into the section beam hanging hole, and then rotates for 90 degrees to complete padlock.
The adapter 2 can be an existing slewing mechanism, the specific structure of which is not described herein, and the slewing of the slewing cross beam 3 relative to the hoisting beam 1 is realized by driving the adapter 2 to act. The moving stringers 5 are arranged so as to be movable in the longitudinal direction relative to the swivel cross beams 3, so that the segment boom 7 is brought along for longitudinal adjustment. The driving slide block connecting rod 20 moves along the transverse direction of the moving longitudinal beam 5, and the longitudinal moving slide block 6 moves transversely, so that the segment beam suspender 7 is driven to realize transverse adjustment. The segmental beam suspender 7 is connected with the longitudinal moving slide blocks 6 in a matching way, and the two longitudinal moving slide blocks 6 are connected by the slide block connecting rod 20 and then are arranged on the central line of the moving longitudinal beam 5 to realize synchronous longitudinal movement; the top end of the segmental beam suspender 7 is provided with a rotary push rod 22, the two rotary push rods 22 are connected by a suspender connecting rod 19 to form a four-connecting-rod synchronous rotary mechanism, so that the two segmental beam suspenders 7 can realize synchronous rotation and realize autonomous padlock action.
In another technical scheme, the upper surfaces of two sides of the rotary cross beam 3 are fixedly provided with sliding plates, the movable longitudinal beam 5 is arranged on the sliding plates in a sliding mode, the sliding plates are made of wear-resistant materials, and the sliding plates are wear-resistant when the movable longitudinal beam 5 slides in contact with the rotary cross beam 3.
In another technical scheme, a pair of movable stringers 5 are connected through a stringer connecting rod 4, the stringer connecting rod 4 is provided with a pair of and respectively symmetrically set up in the lateral both sides of movable stringers 5, be fixed with sideslip pneumatic cylinder 13 on the gyration crossbeam 3, its telescopic rod tip fixed connection is on one of them movable stringers 5. A longitudinal beam connecting rod 4 is additionally arranged between the pair of movable longitudinal beams 5, so that the pair of movable longitudinal beams 5 realize synchronous transverse movement, and the synchronous movement is realized by driving a transverse movement hydraulic cylinder 13.
In another technical scheme, the longitudinal beam connecting rod 4 is connected with the movable longitudinal beam 5 through bolts, and a plurality of foundation gaskets are further arranged between contact surfaces of the longitudinal beam connecting rod 4 and the movable longitudinal beam 5. After the bolts are removed between the longitudinal beam connecting rods 4 and the movable longitudinal beams 5, the distance between the pair of movable longitudinal beams 5 is adjusted according to the requirement, the foundation gaskets are increased and decreased, then the foundation gaskets are connected through the bolts, the distance between the pair of movable longitudinal beams 5 is finely adjusted according to the actual construction condition, and then the longitudinal distance between the two section beam suspenders 7 is adjusted.
In another technical scheme, the slider connecting rod 20 includes a pair of bottom plates and a slide plate, the pair of bottom plates are respectively and fixedly connected with the pair of longitudinally moving sliders 6, the pair of bottom plates are respectively provided with a long strip-shaped hole 24, the slide plate is tightly attached to the upper side of the pair of bottom plates and is overlapped with the bottom plates, two sides of the slide plate are correspondingly provided with threaded holes, and the threaded holes are respectively corresponding to the long strip-shaped holes 24 on the pair of bottom plates and are connected through bolts. By removing the bolts, the overlapping area of the pair of bottom plates and the slide plate is moved, so that the transverse distance between the two section beam suspenders 7 is finely adjusted, and the bottom plates and the slide plate are fixedly connected through the bolts passing through the long strip-shaped holes 24 and the threaded holes.
In another technical scheme, all be provided with on the removal longeron 5 and indulge and move pneumatic cylinder 17, its telescopic link fixed connection to the slide bottom surface, the slide top surface still articulates and is provided with jib padlock pneumatic cylinder 18, its telescopic link articulates to on the jib connecting rod 19, realize the gyration action through setting up gyration pneumatic cylinder 14 between hoist and mount roof beam 1 and the gyration crossbeam 3. The whole transverse movement of the two section beam suspenders 7 connected with the longitudinal moving sliding blocks 6 is realized by driving a longitudinal moving hydraulic cylinder 17, the synchronous rotation of the two transverse section beam suspenders 7 by 90 degrees is realized by driving a suspender padlock hydraulic cylinder 18, and the rotation of the rotary cross beam 3 relative to the lifting beam 1 is realized by driving a rotary oil cylinder.
In another technical scheme, an electric cabinet 15 and a hydraulic system 16 are arranged on the rotary beam 3, the hydraulic system 16 is used for controlling the movement of the transverse moving hydraulic cylinder 13, the longitudinal moving hydraulic cylinder 17 and the hanging rod padlock hydraulic cylinder 18, fixed rods are arranged at the bottoms of the two longitudinal sides of the rotary beam 3 and extend to the outside of the rotary beam 3 along the transverse direction, a displacement sensor 10 and an image collector 11 are arranged on the fixed rods and respectively acquire corresponding distance data and image data and transmit the corresponding distance data and the image data to the electric cabinet 15, the electric cabinet 15 acquires corresponding control instructions after collecting and processing the distance data and the image data, the control instructions are transmitted to the hydraulic system 16, the hydraulic system 16 is used for controlling the movement of each hydraulic cylinder, and the electric cabinet 15 is used for acquiring the data and issuing the control instructions in the mature prior art and is omitted. Through electric cabinet 15, hydraulic system 16, displacement sensor 10 and image acquisition device 11's setting, supplementary hoist hoists, collects travel information as feedback signal, has avoided artifical observation adjustment position, has realized intellectuality, and the operating condition of the automatic hoist of real-time supervision festival section roof beam, and control each mechanism action is safe orderly, accurate execution, workman's quantity when reducing hoist and mount construction, guarantee construction safety. The specific positions and the number of the displacement sensors 10 and the image collectors 11 are reasonably arranged according to actual construction conditions.
In another solution, a spring hold-down device is provided for each segment beam hanger rod 7, comprising:
the connecting plate is transversely arranged on the bottom surface of the movable longitudinal beam 5 in a sliding manner, the connecting plate is provided with a through hole, and the section beam hanging rod 7 just penetrates through the through hole;
the positioning plug 9 is arranged in a conical shape and matched with the section beam lifting hole, and the positioning plug 9 is sleeved on the section beam lifting rod 7 through a central hole of the positioning plug 9 in a sliding manner;
and a pair of springs 12 symmetrically arranged on both sides of the segmental beam hanger rod 7, wherein both ends of the springs 12 are respectively connected to the connecting plate and the positioning plug 9.
In the technical scheme, the boom locating plug 9 is arranged below the section beam boom 7 and is pressed by the spring pressing device, so that the section beam boom 7 is ensured to be at the middle position of the section beam lifting hole. The spring hold-down device is installed at the middle part of the section beam suspender 7, is connected with the section beam suspender 7 in a matched manner, and is arranged to longitudinally move synchronously with the section beam suspender 7 through the sliding of the connecting plate without generating a rotary motion, the suspender positioning plug 9 is installed at the lower end of the spring hold-down device, the positioning plug 9 is in a conical cylindrical design, the positioning plug 9 is just matched with the section beam suspending hole, and enters the section beam suspending hole, so that the section beam suspender 7 can more accurately enter the section beam suspending hole position and restrain the movement of the section beam suspending hole in the horizontal direction.
In another technical scheme, a flexible wedge block 8 is fixedly arranged on the top surface of the hole site padlock 23. A flexible wedge block 8 with a certain inclination and adapted to the inner cavity is arranged between the contact surface of the hole site padlock 23 and the inner cavity of the segment beam, so that the hole site padlock 23 and the inner cavity of the segment beam form surface contact, and the contact surface is ensured to be uniformly stressed.
The invention also discloses a construction method of the automatic lifting appliance for the segmental beam, which is characterized by comprising the following steps of:
step one: checking whether a hole site rectangle taking the center of a section beam lifting hole as a vertex and a boom rectangle 21 taking the centers of four section beam booms 7 as vertices are congruent rectangles before lifting, if not, adjusting the longitudinal distance of the section beam booms 7 by increasing or decreasing basic gaskets between contact surfaces of the longitudinal beam connecting rods 4 and the movable longitudinal beams 5, and adjusting the transverse distance of the section beam booms 7 by adjusting the overlapped area between a pair of bottom plates and sliding plates;
step two: lifting the automatic segmental beam lifting appliance to a certain distance above the segmental beam by lifting equipment, monitoring the position information of the movable longitudinal beam 5, the sliding block connecting rod 20 and the segmental beam lifting rod 7 by the displacement sensor 10, and if all mechanisms are in a set stroke median position, namely a set initial position, not acting each hydraulic cylinder, otherwise, enabling all mechanisms to return to the set stroke median position by acting the hydraulic cylinders, so as to ensure that the gravity center of the automatic segmental beam lifting appliance falls at the geometric center of the rectangular lifting rod 21;
step three: the hoisting equipment lowers the automatic lifting appliance of the segmental beam, at the moment, the image collector 11 collects the relative position between the boom rectangle 21 and the hole site rectangle in the horizontal direction, and drives the rotary cross beam 3 to rotate in the horizontal direction, so that each side of the boom rectangle 21 and each side of the hole site rectangle are kept parallel in the overlooking direction, and the angle deviation is eliminated;
step four: continuously lowering the automatic lifting appliance of the segmental beam, judging the horizontal distance between the boom rectangle 21 and each side of the hole site rectangle through the picture acquired by the image acquisition device 11, controlling the corresponding hydraulic cylinder to act to drive the movable longitudinal beam 5 and the longitudinally movable sliding block 6 to act, and eliminating the horizontal distance deviation between each side of the boom rectangle 21 and each side of the hole site rectangle in real time so as to enable the two rectangles to basically coincide in the overlooking direction;
step five: continuously lowering the automatic segmental beam lifting appliance, acquiring distance information between the automatic segmental beam lifting appliance and the upper surface of the segmental beam by using the displacement sensor 10, and lifting the automatic segmental beam lifting appliance to a certain height if the hole site padlock 23 is found to be incorrectly aligned with the hoisting hole of the segmental beam after the distance between the automatic segmental beam lifting appliance and the segmental beam enters a set range, so as to perform secondary alignment until the hole site padlock 23 at the lower end of the segmental beam lifting rod 7 can smoothly enter the hoisting hole site of the segmental beam;
step six: monitoring the relative distance between the automatic hanger of the section beam and the section beam by a displacement sensor 10, stopping releasing the automatic hanger of the section beam after reaching a specified distance range, driving a hanging rod padlock hydraulic cylinder 18 to act, enabling the section beam hanging rod 7 to rotate 90 degrees relative to the automatic hanger of the section beam, and completing padlock, wherein a spring compressing device compresses a positioning plug 9 in a hanging hole position of the section beam, and restricting the section beam hanging rod 7 to move in the horizontal direction in the hole position;
step seven: after the padlock is completed, driving each hydraulic cylinder to act, so that each mechanism returns to the stroke middle position, ensuring that the gravity center of the segmental beam lifting appliance is overlapped with the gravity center of the segmental beam in the overlooking direction, and completing the independent alignment and padlock flow;
step eight: after the crane lifts the section beam to reach the designated position, the hydraulic cylinder 18 of the hanging rod padlock is driven to act, so that the section beam hanging rod 7 is rotated to the initial position, the padlock is released, and then the section beam automatic position lifting tool is lifted to the next working position;
step nine: and (3) repeating the second step to the eighth step to finish repeated hoisting of the section beam for a plurality of times.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. An automated segment beam spreader comprising:
the center of the top of the lifting beam is connected with a lifting hook or a connector of the lifting equipment;
the rotary cross beam is positioned below the hoisting beam in parallel and is in rotary connection with the hoisting beam through an adapter;
the movable longitudinal beams are arranged on two opposite sides of the longitudinal direction of the rotary cross beam in a sliding manner, and are provided with a pair of guide grooves which are arranged along the central line of the movable longitudinal beams;
the longitudinal sliding blocks are arranged corresponding to each guide groove of each movable longitudinal beam, and a pair of longitudinal sliding blocks are arranged above the guide grooves and connected through sliding block connecting rods;
the section beam suspender is provided with one corresponding to each longitudinally moving sliding block, the section beam suspender vertically penetrates through the longitudinally moving sliding blocks and is rotationally connected with the longitudinally moving sliding blocks, the upper ends of the section beam suspenders are connected with rotary push rods, the rotary push rods of the section beam suspenders corresponding to the same movable longitudinal beam are hinged through suspender connecting rods, and the section beam suspenders just penetrate through the guide grooves and are fixedly connected with hole site padlock at the lower ends, and the section beam suspender is matched with the section beam hoisting holes.
2. The automated segment beam hanger of claim 1, wherein the upper surfaces of both sides of the swivel cross beam are fixedly provided with skids, and the movable stringers are slidably disposed on the skids.
3. The automated spreader for segmental beams according to claim 1, wherein a pair of movable stringers are connected by a stringer connecting rod, the stringer connecting rod is provided with a pair and symmetrically disposed on both sides of the movable stringers in the transverse direction, and a traversing hydraulic cylinder is fixed to the rotary cross beam, and the end of a telescopic rod is fixedly connected to one of the movable stringers.
4. The automated segment beam hanger of claim 3, wherein the stringer links are bolted to the moving stringer, and a plurality of foundation shims are further provided between the stringer links and the contact surface of the moving stringer.
5. The automated segmental beam hanger of claim 4, wherein the slider link comprises a pair of base plates and a slide plate, the pair of base plates are respectively and fixedly connected with a pair of longitudinally moving sliders, the pair of base plates are respectively provided with an elongated hole, the slide plate is tightly attached to the upper part of the pair of base plates and is overlapped with the base plates, and threaded holes are correspondingly arranged on two sides of the slide plate and respectively correspond to the elongated holes on the pair of base plates and are connected through bolts.
6. The automated hanger for segmental beams according to claim 5, wherein longitudinal moving hydraulic cylinders are arranged on the moving longitudinal beams, telescopic rods of the longitudinal moving hydraulic cylinders are fixedly connected to the bottom surface of the sliding plate, hanging rod padlock hydraulic cylinders are also hinged to the top surface of the sliding plate, telescopic rods of the telescopic rods are hinged to the hanging rod connecting rods, and a rotary action is realized between the hanging beam and the rotary cross beam through the arrangement of the rotary hydraulic cylinders.
7. The automated hanger for segmental beams according to claim 6, wherein an electric cabinet and a hydraulic system are arranged on the rotary beam, the hydraulic system is used for controlling the actions of the traversing hydraulic cylinder, the longitudinal moving hydraulic cylinder and the hanging rod padlock hydraulic cylinder, fixed rods are arranged at the bottoms of the two longitudinal sides of the rotary beam and extend to the outside of the rotary beam along the transverse direction, displacement sensors and image collectors are arranged on the fixed rods, the displacement sensors and the image collectors respectively acquire corresponding distance data and image data and transmit the corresponding distance data and the image data to the electric cabinet, and the electric cabinet transmits control instructions to the hydraulic system.
8. The segmented beam automated lifting appliance of claim 1, wherein a spring hold down device is provided for each segmented beam hanger bar, comprising:
the connecting plate is transversely arranged on the bottom surface of the movable longitudinal beam in a sliding manner, the connecting plate is provided with a through hole, and the section beam hanging rod just penetrates through the through hole;
the positioning plug is arranged in a conical shape and matched with the section beam lifting hole, and is sleeved on the section beam lifting rod in a sliding way through a central hole of the positioning plug;
and the springs are symmetrically arranged on two sides of the segmental beam suspender, and two ends of each spring are respectively connected to the connecting plate and the locating plug.
9. The automated hanger for segmented beams of claim 1, wherein a top surface of the hole site padlock is fixedly provided with a flexible wedge.
10. The construction method of the automatic lifting appliance for the segmental beam is characterized by comprising the following steps of:
step one: checking whether a hole site rectangle taking the center of a section beam lifting hole as a vertex and a boom rectangle taking the centers of four section beam booms as vertices are congruent rectangles before lifting, if not, adjusting the longitudinal distance of the section beam booms by increasing or decreasing basic gaskets between the contact surfaces of the longitudinal beam connecting rods and the movable longitudinal beam, and adjusting the transverse distance of the section beam booms by adjusting the overlapped area between a pair of bottom plates and the sliding plates;
step two: lifting the automatic lifting appliance of the section beam to the upper part of the section beam by lifting equipment, monitoring the position information of the movable longitudinal beam, the sliding block connecting rod and the section beam lifting rod by a displacement sensor, and if all mechanisms are in the set stroke middle position, not acting each hydraulic cylinder, otherwise, enabling all mechanisms to return to the set stroke middle position by acting the hydraulic cylinders, so as to ensure that the gravity center of the automatic lifting appliance of the section beam falls at the geometric center of the rectangular lifting rod;
step three: the hoisting equipment lowers the automatic lifting appliance of the segmental beam, at the moment, the image collector collects the relative position between the boom rectangle and the hole site rectangle in the horizontal direction, and drives the rotary cross beam to rotate in the horizontal direction, so that each side of the boom rectangle and each side of the hole site rectangle are kept parallel in the overlooking direction, and the angle deviation is eliminated;
step four: continuously lowering the automatic lifting appliance of the segmental beam, judging the horizontal distance between each side of the rectangular boom and each side of the rectangular hole site through the picture acquired by the image acquisition device, controlling the corresponding hydraulic cylinder to act to drive the movable longitudinal beam and the longitudinally movable sliding block to act, and eliminating the horizontal distance deviation between each side of the rectangular boom and each side of the rectangular hole site in real time, so that the two rectangles are basically overlapped in the overlooking direction;
step five: continuously lowering the automatic segment beam lifting appliance, acquiring distance information between the automatic segment beam lifting appliance and the upper surface of the segment beam by a displacement sensor, and lifting the automatic segment beam lifting appliance if the hole site padlock is not correctly aligned with the hoisting hole of the segment beam after the distance between the automatic segment beam lifting appliance and the segment beam enters a set range, and performing secondary alignment until the hole site padlock at the lower end of the hanging rod of the segment beam can smoothly enter the hoisting hole site of the segment beam;
step six: monitoring the relative distance between the automatic hanger of the section beam and the section beam by a displacement sensor, stopping releasing the automatic hanger of the section beam after reaching a specified distance range, driving a hanging rod padlock hydraulic cylinder to act, enabling the hanging rod of the section beam to rotate 90 degrees relative to the automatic hanger of the section beam, and completing the padlock, wherein a spring pressing device presses a positioning plug in a hanging hole position of the section beam, and restraining the movement of the hanging rod of the section beam in the horizontal direction in the hole position;
step seven: after the padlock is completed, driving each hydraulic cylinder to act, so that each mechanism returns to the stroke middle position, ensuring that the gravity center of the segmental beam lifting appliance is overlapped with the gravity center of the segmental beam in the overlooking direction, and completing the independent alignment and padlock flow;
step eight: after the hoisting section beam reaches a designated position, driving a hanging rod padlock hydraulic cylinder to act, so that the section beam hanging rod rotates to an initial position, the padlock is released, and then the section beam automatic position lifting tool is lifted to a next working position;
step nine: and (3) repeating the second step to the eighth step to finish repeated hoisting of the section beam for a plurality of times.
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| CN202111310469.1A CN114084794B (en) | 2021-11-05 | 2021-11-05 | Automatic lifting appliance for segmental beam and construction method thereof |
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| CN114084794B true CN114084794B (en) | 2023-05-26 |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07187560A (en) * | 1993-12-27 | 1995-07-25 | Murata Mach Ltd | Article gripping device of overhead traveling vehicle |
| CN201236098Y (en) * | 2008-07-07 | 2009-05-13 | 中交第二航务工程局有限公司 | Combined pressure bar sling |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN104326356A (en) * | 2014-11-10 | 2015-02-04 | 武桥重工集团股份有限公司 | Construction platform hanger with clear stress and adjustable hanging point |
| CN204703068U (en) * | 2015-04-22 | 2015-10-14 | 北京中铁建北方路桥工程有限公司 | A kind of up suspention section assembling traversing carriage bridge fabrication machine |
| CN110407091A (en) * | 2018-04-26 | 2019-11-05 | 新兴重工湖北三六一一机械有限公司 | A kind of suspention running gear of band revolution |
| CN110424271A (en) * | 2019-08-27 | 2019-11-08 | 中铁四局集团第五工程有限公司 | Six-direction positioning and quick adjusting device for realizing prefabricated section beam |
| CN110626933A (en) * | 2019-08-01 | 2019-12-31 | 中铁十六局集团第四工程有限公司 | Segmental beam hanger |
| CN209940310U (en) * | 2018-08-14 | 2020-01-14 | 浙江交工集团股份有限公司 | Lifting sling for segmental beam |
| CN110745684A (en) * | 2019-11-20 | 2020-02-04 | 上海玖行能源科技有限公司 | Four-point box type lifting appliance |
| CN210635593U (en) * | 2019-08-01 | 2020-05-29 | 中铁十六局集团第四工程有限公司 | Segmental beam hanger |
| CN211034871U (en) * | 2019-11-20 | 2020-07-17 | 上海玖行能源科技有限公司 | Four-point box type lifting appliance |
| CN212050210U (en) * | 2020-03-17 | 2020-12-01 | 秦皇岛优益重工科技有限公司 | Single-line single-beam segment assembled bridge girder erection crane |
| WO2021072997A1 (en) * | 2019-10-16 | 2021-04-22 | 山东中衡光电科技有限公司 | Intelligent mining platform for lifting, installation, and dismantling, control system and method |
| CN112850455A (en) * | 2021-02-09 | 2021-05-28 | 中交二公局第二工程有限公司 | Assembled multifunctional aerial rotary lifting appliance and construction method |
| WO2021203303A1 (en) * | 2020-04-08 | 2021-10-14 | 苗林展 | Novel container hoisting apparatus |
-
2021
- 2021-11-05 CN CN202111310469.1A patent/CN114084794B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07187560A (en) * | 1993-12-27 | 1995-07-25 | Murata Mach Ltd | Article gripping device of overhead traveling vehicle |
| CN201236098Y (en) * | 2008-07-07 | 2009-05-13 | 中交第二航务工程局有限公司 | Combined pressure bar sling |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN104326356A (en) * | 2014-11-10 | 2015-02-04 | 武桥重工集团股份有限公司 | Construction platform hanger with clear stress and adjustable hanging point |
| CN204703068U (en) * | 2015-04-22 | 2015-10-14 | 北京中铁建北方路桥工程有限公司 | A kind of up suspention section assembling traversing carriage bridge fabrication machine |
| CN110407091A (en) * | 2018-04-26 | 2019-11-05 | 新兴重工湖北三六一一机械有限公司 | A kind of suspention running gear of band revolution |
| CN209940310U (en) * | 2018-08-14 | 2020-01-14 | 浙江交工集团股份有限公司 | Lifting sling for segmental beam |
| CN110626933A (en) * | 2019-08-01 | 2019-12-31 | 中铁十六局集团第四工程有限公司 | Segmental beam hanger |
| CN210635593U (en) * | 2019-08-01 | 2020-05-29 | 中铁十六局集团第四工程有限公司 | Segmental beam hanger |
| CN110424271A (en) * | 2019-08-27 | 2019-11-08 | 中铁四局集团第五工程有限公司 | Six-direction positioning and quick adjusting device for realizing prefabricated section beam |
| WO2021072997A1 (en) * | 2019-10-16 | 2021-04-22 | 山东中衡光电科技有限公司 | Intelligent mining platform for lifting, installation, and dismantling, control system and method |
| CN110745684A (en) * | 2019-11-20 | 2020-02-04 | 上海玖行能源科技有限公司 | Four-point box type lifting appliance |
| CN211034871U (en) * | 2019-11-20 | 2020-07-17 | 上海玖行能源科技有限公司 | Four-point box type lifting appliance |
| CN212050210U (en) * | 2020-03-17 | 2020-12-01 | 秦皇岛优益重工科技有限公司 | Single-line single-beam segment assembled bridge girder erection crane |
| WO2021203303A1 (en) * | 2020-04-08 | 2021-10-14 | 苗林展 | Novel container hoisting apparatus |
| CN112850455A (en) * | 2021-02-09 | 2021-05-28 | 中交二公局第二工程有限公司 | Assembled multifunctional aerial rotary lifting appliance and construction method |
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|---|---|
| CN114084794A (en) | 2022-02-25 |
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