CN120172270A - A hoisting structure for steel temporary bridge construction - Google Patents
A hoisting structure for steel temporary bridge construction Download PDFInfo
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- CN120172270A CN120172270A CN202510654039.3A CN202510654039A CN120172270A CN 120172270 A CN120172270 A CN 120172270A CN 202510654039 A CN202510654039 A CN 202510654039A CN 120172270 A CN120172270 A CN 120172270A
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- hoisting
- detection
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or 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)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hoisting structure for steel temporary bridge construction, which relates to the technical field of steel temporary bridge hoisting, and comprises hoisting connecting pieces, wherein a linear detection piece is arranged on each hoisting connecting piece and used for detecting collapse of a bailey frame, a detection control piece is sleeved on each linear detection piece and used for being arranged in the middle of the bailey frame, an in-place detection piece is arranged on each hoisting connecting piece and used for controlling compensation arching, and a hoisting guide piece is arranged on each hoisting connecting piece so as to solve the problems that the existing hoisting structure for steel temporary bridge construction is inconvenient to automatically correct, inconvenient to automatically maintain a micro arch and influence installation quality, and the detection control piece can automatically detect deformation and depression conditions of the middle of the bailey frame after hoisting when the bailey frame is hoisted, and particularly can automatically control compensation when the bailey frame deforms for a longer steel temporary bridge.
Description
Technical Field
The invention relates to the technical field of steel temporary bridge hoisting, in particular to a hoisting structure for steel temporary bridge construction.
Background
In actual steel temporary bridge construction hoisting work, after the steel temporary bridge is assembled mainly through the bailey frame, a bridge deck is paved above the bailey frame, stable hoisting of the bailey frame is required to be ensured in longer steel temporary bridge construction hoisting work, steel temporary bridge construction safety is ensured, the bailey frame is a modularized assembly type steel bridge system, standardized bailey pieces are connected through pin shafts, the characteristics of rapid assembly and flexible combination are achieved, the middle part of the bailey frame is easy to collapse when the longer bailey frame is hoisted by the conventional steel temporary bridge construction hoisting structure, automatic correction work is inconvenient, follow-up difficult detachment of a bailey frame pin is easy to cause, even permanent deformation of the bailey frame is caused, meanwhile, the pre-stress micro arch is inconvenient to automatically maintain when the bailey frame is installed, the installation quality is influenced, and the bridge is usually only hoisted by a crane in the hoisting process, the hoisting stability is poor, and vertical traction is inconvenient to be carried out by using a pile cylinder.
Therefore, the invention provides a hoisting structure for steel bridge construction.
Disclosure of Invention
The invention aims to provide a hoisting structure for steel temporary bridge construction, which solves the problems that the existing hoisting structure for steel temporary bridge construction provided in the background art is inconvenient to automatically correct, inconvenient to automatically maintain a micro arch and affects the installation quality.
The hoisting structure for the steel bridge construction comprises hoisting connecting pieces, wherein linear detecting pieces are arranged on the hoisting connecting pieces and used for detecting collapse of the bailey frame, detecting control pieces are sleeved on the linear detecting pieces and used for being arranged in the middle of the bailey frame, in-place detecting pieces are arranged on the hoisting connecting pieces and used for controlling compensation arching, hoisting guide pieces are arranged on the hoisting connecting pieces, pile cylinder weight pieces are arranged on the hoisting guide pieces and used for magnetically attracting the pile cylinder weight, the hoisting connecting pieces comprise hoisting U-shaped frames and detachable beams, two hoisting U-shaped frames are fixedly arranged at the bottoms of the two hoisting U-shaped frames through bolts and used for being connected with the bailey frame, and the detachable beams are located in the middle of the bailey frame.
The hoisting connecting piece comprises a detachable beam, two compensating hydraulic cylinders, supporting rods, supporting auxiliary rods, steel rope bolts and steel ropes, wherein the two compensating hydraulic cylinders are fixedly installed on the detachable beam, the supporting rods are fixedly installed on output shafts of the two compensating hydraulic cylinders, the supporting auxiliary rods are respectively rotatably installed at two ends of the supporting rods, the other ends of the two supporting auxiliary rods are respectively erected on the detachable beam, the two hoisting U-shaped frames are respectively connected with the steel rope bolts in a threaded mode, the four steel rope bolts are in a group, each group of steel rope bolts are connected through steel ropes, the two steel ropes are used for butt joint of a crane hook, and the supporting rods and the supporting auxiliary rods are used for supporting a bailey frame.
The linear detection piece comprises a linear connecting plate, linear tension springs and electric connection steel wires, wherein the linear connecting plate is fixedly arranged on the two lifting U-shaped frames through bolts respectively, the linear tension springs are fixedly arranged on the two linear connecting plates respectively, the electric connection steel wires are fixedly arranged between the two linear tension springs, and the electric connection steel wires are made of conductive materials.
The detection control piece comprises a detection installation frame, an installation magnet, a concave detection shaft and a power connection column, wherein a slot is formed in the detection installation frame, the detection installation frame is used for being inserted into a main beam of the bailey frame, the installation magnet is fixedly embedded into the detection installation frame and used for being magnetically attracted to the main beam of the bailey frame, the concave detection shaft is slidably installed on the detection installation frame and provided with a groove, an insulating coating is arranged on the outer side of the concave detection shaft, the power connection column is installed in the groove on the concave detection shaft, a power connection steel wire is located in the groove on the concave detection shaft, a gap is formed between the power connection steel wire and the power connection column, and the power connection steel wire is electrically connected with control valves of two compensation hydraulic cylinders.
Preferably, the detection control piece further comprises a compensation electromagnet and a compensation spring, wherein the compensation electromagnet is fixedly arranged in the detection installation frame, the compensation electromagnet is ferromagnetic and sunken in the detection shaft, the compensation spring is sleeved in the detection installation frame, and the compensation spring is connected between the compensation electromagnet and the power connection column.
The in-place detection piece comprises an in-place detection strip and V-shaped elastic pieces, wherein the in-place detection strip is slidably arranged on the lifting U-shaped frame, two V-shaped elastic pieces are fixedly arranged at the bottom of the in-place detection strip, the end parts of the two V-shaped elastic pieces are respectively connected to the lifting U-shaped frame, and the in-place detection strip is used for being attached to the bailey frame.
The in-place detection piece further comprises an in-place switch, wherein the bottom of the in-place detection strip is fixedly provided with the in-place switch, the bottom of the in-place switch is attached to the inner side of the lifting U-shaped frame, the in-place switch is electrically connected with the compensation electromagnet, and the in-place switch is located on the inner side of the lifting U-shaped frame.
Preferably, the hoisting guide piece comprises guide rings and traction ropes, wherein three guide rings are fixedly arranged on the detachable beam, the three guide rings slide through the traction ropes, the end parts of the traction ropes are of annular structures, through holes among the three guide rings are straight lines, and the traction ropes pass through the bailey frame.
Preferably, the hoisting guide piece further comprises a limiting ball, wherein the limiting ball is fixedly arranged on the traction rope, and the limiting ball is positioned on the outer sides of the three guide rings.
The pile cylinder counterweight comprises a pile cylinder tile, anti-drag beads, close electromagnets and balancing weights, wherein the pile cylinder tile is of an arc-shaped structure, the bottom of a traction rope is connected to the pile cylinder tile through stud threads, three rows of anti-drag beads are embedded in the pile cylinder tile and used for being attached to the outer side of a pile cylinder, two close electromagnets are fixedly arranged on the pile cylinder tile and used for magnetically attracting the pile cylinder, the balancing weights are fixedly arranged at the bottom of the pile cylinder tile, and the traction rope is used for traction and hoisting of a U-shaped frame.
Compared with the prior art, the invention has the beneficial effects that:
The invention adopts the detection control piece to automatically detect the deformation concave condition of the middle part of the bailey frame after hoisting when the bailey frame is hoisted, particularly aims at the long steel bridge bailey frame, can automatically control and compensate when the bailey frame deforms, can improve the straightness of the structure during hoisting, reduce the deformation caused by dead weight, can realize correction, is more suitable for large-span bridge construction hoisting work, avoids the bending of the bailey frame to damage the integral stability of a truss structure, leads to local stress concentration, reduces bending resistance and shearing resistance, and ensures that a bailey pin can be conveniently detached.
Adopt the detection spare that targets in place can be when this structure hoist and mount are placed in a section of thick bamboo, automatic correction can avoid the staff to forget the operation, through upwards controlling crooked in the middle part of the bailey frame, can realize the prestressing force adjustment, fix behind a section of thick bamboo at follow-up bailey frame, under the dead weight effect, originally the ascending crooked arch in middle part can approach the level, utilize the mode of automated inspection when placing the bailey frame, avoid the crooked bailey frame of prestressing force in advance to cause the bailey frame excessive deformation, this structure can promote the levelness after the bailey frame installation, reduce the hidden danger that takes place deformation under the dead weight after the bailey frame installation.
Adopt a section of thick bamboo counterweight can be convenient for the staff to utilize a section of thick bamboo to guide bailey frame alignment stake section of thick bamboo, and this structure can be convenient for the staff to guide in the outside simultaneously, can promote this structure and use flexibility, especially to the bridge cut-off use, can only adopt a loop wheel machine to hoist and mount usually, and a loop wheel machine is difficult to control bailey frame whereabouts position, and this structure can one end follow a section of thick bamboo and locate down to guide, and the other end is by manual traction control bailey frame mounted position.
Drawings
Fig. 1 is a schematic view of a hoisting structure for steel bridge construction after hoisting a bailey frame;
FIG. 2 is a schematic diagram of the bottom structure of a hoisting structure for steel bridge construction;
FIG. 3 is a sectional view of the internal structure of the hoisting structure for construction of the steel bridge;
FIG. 4 is a schematic view of a hoisting connector according to the present invention;
FIG. 5 is an enlarged view of the structure of area B in FIG. 4 in accordance with the present invention;
FIG. 6 shows the detection of the present invention a cross-sectional view of the internal structure of the control member;
FIG. 7 is an enlarged view of the structure of the area E in FIG. 2 according to the present invention;
FIG. 8 is an enlarged view of the structure of area F in FIG. 6 in accordance with the present invention;
FIG. 9 is a schematic view of an in-place detecting member according to the present invention;
FIG. 10 is a schematic view of a pile drum weight according to the present invention;
FIG. 11 is a cross-sectional view of the in-place detecting member of the present invention.
The device comprises a lifting connecting piece, a lifting U-shaped frame, a detachable beam, a lifting hydraulic cylinder, a lifting guide piece, a supporting rod, a supporting auxiliary rod, a steel rope bolt, a steel rope, a 1061, a steel rope, a 2, a linear detecting piece, a 201, a linear connecting plate, a 202, a linear tension spring, a 203, a wire, a3, a detecting control piece, a 301, a detecting installation frame, a 302, an installation magnet, a 303, a concave detecting shaft, a 3031, a power receiving column, a 304, a compensating electromagnet, a 305, a compensating spring, a4, an in-place detecting piece, a 401, an in-place detecting strip, a 402, a V-shaped spring piece, a 403, an in-place switch, a5, a lifting guide piece, a 501, a guide ring, a 502, a traction rope, a 503, a limiting ball, a 6, a pile cylinder weight piece, a 602, a drag reducing bead, a 603, an electromagnet, a 604 and a balancing weight.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
First, please refer to fig. 1 to 11:
The invention provides a hoisting structure for steel bridge construction, which comprises hoisting connecting pieces 1, wherein a linear detection piece 2 is arranged on each hoisting connecting piece 1, the linear detection pieces 2 are used for detecting collapse of a bailey frame, a detection control piece 3 is sleeved on each linear detection piece 2, the detection control piece 3 is arranged in the middle of the bailey frame, a in-place detection piece 4 is arranged on each hoisting connecting piece 1, in-place detection pieces 4 are used for controlling compensation arching, a hoisting guide piece 5 is arranged on each hoisting connecting piece 1, a pile cylinder weight piece 6 is arranged on each hoisting guide piece 5, the pile cylinder weight piece 6 is used for magnetically sucking a pile cylinder weight, each hoisting connecting piece 1 comprises two hoisting U-shaped frames 101 and two detachable beams 102, the bottoms of the two hoisting U-shaped frames 101 are fixedly provided with the detachable beams 102 through bolts, each hoisting U-shaped frame 101 is used for connecting the bailey frame, and each detachable beam 102 is positioned in the middle of the bailey frame.
Wherein the hoisting connecting piece 1 also comprises a compensating hydraulic cylinder 103, a supporting rod 104, a supporting auxiliary rod 105, The steel rope bolt 106 and the steel rope 1061 are fixedly arranged on the detachable beam 102, two compensating hydraulic cylinders 103 are fixedly arranged on output shafts of the two compensating hydraulic cylinders 103, supporting rods 104 are fixedly arranged on output shafts of the two compensating hydraulic cylinders 103, supporting auxiliary rods 105 are rotatably arranged at two ends of each supporting rod 104 respectively, the other ends of the two supporting auxiliary rods 105 are respectively erected on the detachable beam 102, the two hoisting U-shaped frames 101 are respectively connected with the steel rope bolt 106 in a threaded manner, four steel rope bolts 106 are in groups, each group of steel rope bolts 106 is connected through the steel rope 1061, the two steel ropes 1061 are used for butt joint with crane hooks, the supporting rods 104 and the supporting auxiliary rods 105 are used for supporting bailey frames, and the linear detection part 2 comprises a linear connecting plate 201, The two hoisting U-shaped frames 101 are fixedly provided with linear connecting plates 201 through bolts respectively, the two linear connecting plates 201 are fixedly provided with linear tension springs 202 respectively, the two linear tension springs 202 are fixedly provided with electric connecting wires 203, the electric connecting wires 203 are made of conductive materials, and the detection control piece 3 comprises a detection mounting frame 301, a mounting magnet 302, a detection control piece, The concave detection shaft 303 and the power connection column 3031 are arranged on the detection mounting frame 301; the detection mounting rack 301 is used for being inserted on a main beam of the bailey frame; a mounting magnet 302 is fixedly embedded on the detection mounting frame 301, and the mounting magnet 302 is used on a main beam of the magnetic bailey frame; the detection mounting frame 301 is slidably provided with a concave detection shaft 303, the concave detection shaft 303 is provided with a groove, the outer side of the concave detection shaft 303 is provided with an insulating coating, a power receiving column 3031 is arranged in the groove on the concave detection shaft 303, a power receiving steel wire 203 is positioned in the groove on the concave detection shaft 303, a gap is arranged between the power receiving steel wire 203 and the power receiving column 3031, the power receiving steel wire 203 is electrically connected with a control valve of two compensation hydraulic cylinders 103, the detection control piece 3 is adopted to automatically detect the deformation concave condition of the middle part of the bailey frame after lifting, particularly for a longer steel bridge bailey frame, the compensation can be automatically controlled when the bailey frame deforms, the straightness of the structure during lifting can be improved, the deformation caused by dead weight can be reduced, the correction can be realized, meanwhile, the structure detection is directly and rapidly detected, the detection mounting frame is more suitable for large bridge construction work by utilizing the detection control piece 3, if the bailey frame continuously keeps concave deformation, the bailey frame can damage the integral stability of the structure, the bending stability of the bailey frame can be reduced, if the bending stress of the bailey frame is broken, the bending stress is reduced, the bending stress of the bailey frame is prevented from being broken, if the bending stress is reduced, the bailey frame is broken, and if the bending stress is severely or the bailey frame is broken, if the bending stress is broken, and the bending stress is prevented from being broken when the bailey frame is severely, and the bending stress is caused by the stress is caused when the bending stress is caused when the bailey frame is broken, and the bending stress is caused when the bailing bridge stress is a stress, and when the bending stress is a stress is when the bending stress is when the stress is a stress and when the stress and when the bending stress and when the stress is a stress and when the stress and when the bending stress and when the stress and when the bending stress and the bending stress the, the concave detection shaft 303 and the electric connection column 3031 are driven to descend, but the linear tension spring 202 can pull the electric connection steel wire 203 to keep the straightness of the electric connection steel wire 203, at this time, when the electric connection column 3031 is driven to descend and fit with the electric connection steel wire 203 because of deformation of the bailey frame, the compensating hydraulic cylinder 103 can drive the supporting rod 104 to move upwards, and the supporting auxiliary rod 105 is driven to support the bailey frame together, so that deformation compensation extrusion is carried out on the bailey frame.
The detection control member 3 further comprises a compensation electromagnet 304 and a compensation spring 305, wherein the compensation electromagnet 304 is fixedly arranged in the detection mounting frame 301; the compensation electromagnet 304 magnetically attracts the recess detection shaft 303; a compensation spring 305 is sleeved inside the detection mounting frame 301; the compensating spring 305 is connected between the compensating electromagnet 304 and the electric connection column 3031, the in-place detecting piece 4 comprises an in-place detecting strip 401 and a V-shaped elastic sheet 402, the in-place detecting strip 401 is slidably arranged on the hoisting U-shaped frame 101, two V-shaped elastic sheets 402 are fixedly arranged at the bottom of the in-place detecting strip 401, the ends of the two V-shaped elastic sheets 402 are respectively connected to the hoisting U-shaped frame 101, the in-place detecting strip 401 is used for being attached to a bailey frame, the in-place detecting piece 4 further comprises an in-place switch 403, the bottom of the in-place detecting strip 401 is fixedly provided with the in-place switch 403, the bottom of the in-place switch 403 is attached to the inner side of the hoisting U-shaped frame 101, the in-place switch 403 is electrically connected with the compensating electromagnet 304, the in-place switch 403 is arranged on the inner side of the hoisting U-shaped frame 101, the in-place detecting piece 4 can be automatically corrected when the structure is hoisted in a hoisting mode, forgetting operation of workers can be avoided, bending can be controlled by the middle of the bailey frame upwards, after the bailey frame is fixed to the pile drum, under the action of the self-weight, the bailey frame can be automatically adjusted, the bending of the bailey frame can be prevented from being excessively stressed by bending the bailey frame upwards, the bailey frame is automatically bent down to be prevented from being pressed to the upper level frame by the bridge, and the in the bridge is mounted to the upper level frame when the bailey frame is not bent to be deformed by the bailey frame is mounted to the bailoff bridge, and the bailoff bridge is mounted on the bailoff bridge, and the bailoff bridge is mounted to the bridge is in advance, and the bridge is prevented, at this time, the compensation spring 305 can squeeze the concave detection shaft 303, and can drive the power connection column 3031 to move downwards to attach to the power connection wire 203, and at this time, the compensation hydraulic cylinder 103 can further drive the support rod 104 to move upwards to jack up the middle part of the bailey frame, so as to realize prestress application.
In the second embodiment, on the basis of the first embodiment, the hoisting guide piece 5 comprises a guide ring 501 and a traction rope 502, wherein three guide rings 501 are fixedly arranged on the detachable beam 102, and the three guide rings 501 slide through the traction rope 502; the end part of the traction rope 502 is of an annular structure; the through holes among the three guide rings 501 are straight; the traction rope 502 passes through the bailey frame, the hoisting guide piece 5 further comprises a limiting ball 503, the limiting ball 503 is fixedly arranged on the traction rope 502, the limiting ball 503 is positioned on the outer side of the three guide rings 501, the pile barrel counterweight piece 6 comprises a pile barrel tile 601, a drag reducing bead 602, a close electromagnet 603 and a balancing weight 604, the pile barrel tile 601 is of an arc-shaped structure, the bottom of the traction rope 502 is connected to the pile barrel tile 601 through stud threads, three rows of drag reducing beads 602 are embedded on the pile barrel tile 601, the three rows of drag reducing beads 602 are used for being attached to the outer side of the pile barrel, two close electromagnets 603 are fixedly arranged on the pile barrel tile 601, the two close electromagnets 603 are used for being magnetically attracted to the pile barrel, a balancing weight 604 is fixedly arranged at the bottom of the pile barrel tile 601, the traction rope 502 is used for towing the U-shaped frame 101, a worker can conveniently align the pile barrel by using the pile barrel counterweight piece 6, the pile barrel counterweight piece can conveniently guide the pile barrel, the worker can conveniently guide the pile barrel at the outer side, the pile barrel counterweight piece can use flexibly, especially for the bridge to use, normally, the bridge is gradually constructed, the drag reducing bead 602 is gradually, the three rows of drag reducing beads 602 are used for being attached to the pile barrel tile is usually gradually, one end is usually to be hoisted, a crane is usually used, a crane is used to be used, a crane is only is a crane is used to a crane is a machine is a machine is a crawler, a can, the detachable beam 102, namely the end part of the bailey frame is driven to be aligned with the pile cylinder, so that the staff is assisted in adjusting the landing point, and the safety is improved.
The working principle of the embodiment is as follows: firstly, after the lifting U-shaped frames 101 are inserted into the bailey frames, the detachable beams 102 are arranged below the two lifting U-shaped frames 101 through bolts, the steel ropes 1061 butt joint crane hooks, under the control of a crane, the bailey frames are lifted, if the bailey frames are bent and sunken at the moment, the bailey frames drive the detection installation frame 301 to press down to drive the sunken detection shaft 303 and the power connection column 3031 to descend, but the linear tension springs 202 can pull the power connection steel wires 203 to keep the straightness of the power connection steel wires 203, at the moment, when the power connection column 3031 is driven to descend to be attached to the power connection steel wires 203 due to deformation of the bailey frames, the compensation hydraulic cylinders 103 can drive the support rods 104 to move upwards to drive the support auxiliary rods 105 to support the bailey frames together, deformation compensation extrusion is carried out on the bailey frames, after the bailey frames are supported, the detection mounting frame 301 is driven to move upwards, the power connection column 3031 and the power connection steel wire 203 are driven to be just separated, deformation automatic correction can be achieved, automatic stop is achieved after correction, when the bailey frame is lifted to the pile cylinder, because a crane continuously descends a cable, the lifting U-shaped frame 101 is not pressed down by the bailey frame at this time, when the top of the in-place detection strip 401 is not pressed by the bailey frame any more, the V-shaped elastic sheet 402 is pressed down at this time, the in-place switch 403 can control the compensation electromagnet 304 to be powered off, the compensation spring 305 can press the concave detection shaft 303, the power connection column 3031 can be driven to move downwards to compensate for a certain distance, the power connection steel wire 203 is attached, the compensation hydraulic cylinder 103 can further drive the support rod 104 to move upwards at this time, the middle part of the bailey frame is jacked up, and prestress application is achieved; when the bailey frame is lowered, the pile cylinder is firstly magnetically attracted by the electromagnet 603, the drag reduction bead 602 is matched for drag reduction, the counterweight 604 is matched for counterweight, the traction rope 502 is pulled, the detachable beam 102 is driven, namely the end part of the bailey frame is aligned with the pile cylinder, meanwhile, the other end of the traction rope 502, which is close to the limiting ball 503, can be pulled by manual control, and the falling position of the other end of the bailey frame can be adjusted, so that the adjustment is flexible and quick.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The hoisting structure for the construction of the steel bridge comprises a hoisting connecting piece (1), wherein a linear detection piece (2) is arranged on the hoisting connecting piece (1), and is characterized in that the linear detection piece (2) is used for detecting collapse of a bailey frame, a detection control piece (3) is sleeved on the linear detection piece (2), and the detection control piece (3) is used for being arranged in the middle of the bailey frame;
the lifting connecting piece (1) is provided with an in-place detecting piece (4), and the in-place detecting piece (4) is used for controlling compensation arching;
A hoisting guide piece (5) is arranged on the hoisting connecting piece (1); a pile cylinder counterweight (6) is arranged on the hoisting guide piece (5); the pile cylinder counterweight (6) is used for magnetically attracting pile cylinder counterweights;
The hoisting connecting piece (1) comprises two hoisting U-shaped frames (101) and detachable beams (102), wherein the two hoisting U-shaped frames (101) are arranged, the detachable beams (102) are fixedly arranged at the bottoms of the two hoisting U-shaped frames (101) through bolts, the hoisting U-shaped frames (101) are used for connecting the bailey frames, and the detachable beams (102) are located in the middle of the bailey frames.
2. The hoisting structure for steel bridge construction of claim 1 is characterized in that the hoisting connecting piece (1) further comprises a compensation hydraulic cylinder (103), a supporting rod (104), supporting auxiliary rods (105), steel rope bolts (106) and steel ropes (1061), wherein the two compensation hydraulic cylinders (103) are fixedly arranged on the detachable beam (102), the supporting rods (104) are fixedly arranged on output shafts of the two compensation hydraulic cylinders (103), the supporting auxiliary rods (105) are respectively rotatably arranged at two ends of the supporting rod (104), the other ends of the two supporting auxiliary rods (105) are respectively arranged on the detachable beam (102), steel rope bolts (106) are respectively connected to the two U-shaped hoisting frames (101) in a threaded mode, the steel rope bolts (106) are arranged in a group, the steel rope bolts (106) of each group are connected through the steel ropes (1061), the two steel rope hooks (1061) are used for butt joint cranes, and the supporting rods (104) and the supporting auxiliary rods (105) are used for supporting the shell frames.
3. The hoisting structure for steel bridge construction is characterized in that the linear detection piece (2) comprises a linear connection plate (201), linear tension springs (202) and electric connection steel wires (203), the two U-shaped hoisting frames (101) are fixedly provided with the linear connection plate (201) through bolts respectively, the two linear connection plates (201) are fixedly provided with the linear tension springs (202) respectively, the electric connection steel wires (203) are fixedly arranged between the two linear tension springs (202), and the electric connection steel wires (203) are made of conductive materials.
4. The hoisting structure for steel bridge construction is characterized in that the detection control piece (3) comprises a detection installation frame (301), an installation magnet (302), a concave detection shaft (303) and a power connection column (3031), wherein a slot is formed in the detection installation frame (301), the detection installation frame (301) is used for being inserted into a main beam of a bailey frame, the installation magnet (302) is fixedly embedded into the detection installation frame (301) and is used for being arranged on the main beam of the magnetic bailey frame, a concave detection shaft (303) is slidably installed on the detection installation frame (301), a groove is formed in the concave detection shaft (303), an insulating coating is arranged on the outer side of the concave detection shaft (303), a power connection column (3031) is installed in the groove in the concave detection shaft (303), the power connection wire (203) is located in the groove in the concave detection shaft (303), a gap is formed between the power connection wire (203) and the power connection column (3031), and the power connection wire (203) is connected with two compensation hydraulic valves (103) of the power connection column (103).
5. The hoisting structure for steel bridge construction, which is disclosed in claim 4, is characterized in that the detection control piece (3) further comprises a compensation electromagnet (304) and a compensation spring (305), the compensation electromagnet (304) is fixedly installed inside the detection installation frame (301), the compensation electromagnet (304) is magnetically attracted to the concave detection shaft (303), the compensation spring (305) is sleeved inside the detection installation frame (301), and the compensation spring (305) is connected between the compensation electromagnet (304) and the power connection column (3031).
6. The lifting structure for construction of the steel bridge, which is disclosed in claim 1, is characterized in that the in-place detection piece (4) comprises an in-place detection strip (401) and a V-shaped elastic piece (402), the in-place detection strip (401) is slidably mounted on the lifting U-shaped frame (101), two V-shaped elastic pieces (402) are fixedly mounted at the bottom of the in-place detection strip (401), the end parts of the two V-shaped elastic pieces (402) are respectively connected to the lifting U-shaped frame (101), and the in-place detection strip (401) is used for being attached to the bailey frame.
7. The hoisting structure for construction of the steel bridge of claim 6, wherein the in-place detection piece (4) further comprises an in-place switch (403), the in-place switch (403) is fixedly arranged at the bottom of the in-place detection piece (401), the bottom of the in-place switch (403) is attached to the inner side of the hoisting U-shaped frame (101), the in-place switch (403) is electrically connected with the compensation electromagnet (304), and the in-place switch (403) is located on the inner side of the hoisting U-shaped frame (101).
8. The hoisting structure for steel bridge construction of claim 1, wherein the hoisting guide piece (5) comprises guide rings (501) and traction ropes (502), three guide rings (501) are fixedly arranged on the detachable beam (102), the three guide rings (501) slide through the traction ropes (502), the end parts of the traction ropes (502) are of annular structures, through holes among the three guide rings (501) are straight lines, and the traction ropes (502) penetrate through the bailey frame.
9. The hoisting structure for steel bridge construction of claim 8, wherein the hoisting guide piece (5) further comprises a limiting ball (503), the limiting ball (503) is fixedly arranged on the traction rope (502), and the limiting ball (503) is located outside the three guide rings (501).
10. The hoisting structure for steel bridge construction is characterized in that the pile barrel counterweight (6) comprises pile barrel tiles (601), drag reduction beads (602), an electromagnet (603) and a counterweight (604), wherein the pile barrel tiles (601) are of arc-shaped structures, the bottoms of the traction ropes (502) are connected to the pile barrel tiles (601) through stud threads, three rows of drag reduction beads (602) are embedded in the pile barrel tiles (601), the three rows of drag reduction beads (602) are used for being attached to the outer side of a pile barrel, two electromagnets (603) are fixedly mounted on the pile barrel tiles (601) and used for magnetic attraction of the pile barrel, the counterweight (604) is fixedly mounted at the bottoms of the pile barrel tiles (601), and the traction ropes (502) are used for traction hoisting of U-shaped frames (101).
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| CN120172270B (en) | 2025-08-15 |
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