CN114855628B - Suspension device for bridge deck pouring combined steel box girder and pouring construction method - Google Patents
Suspension device for bridge deck pouring combined steel box girder and pouring construction method Download PDFInfo
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- CN114855628B CN114855628B CN202210560517.0A CN202210560517A CN114855628B CN 114855628 B CN114855628 B CN 114855628B CN 202210560517 A CN202210560517 A CN 202210560517A CN 114855628 B CN114855628 B CN 114855628B
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- 239000000725 suspension Substances 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 13
- 244000035744 Hura crepitans Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a suspension device for pouring a combined steel box girder on a bridge deck and a pouring construction method, comprising a suspension girder and suspension ropes arranged on two sides of the suspension girder, wherein one side of the suspension girder is provided with a connecting hole, the end part of one suspension rope on one side of the suspension girder is fixedly connected with a connecting block, the connecting block is inserted into the connecting hole, a clamping groove is arranged on the side surface of the connecting block, a sliding groove is arranged on the side wall of the connecting hole, a clamping mechanism is arranged in the sliding groove and comprises a clamping strip, one end of the clamping strip can be inserted into the clamping groove, the clamping strip is arranged in the sliding groove in a sliding way, a tension mechanism capable of pulling the clamping strip into the sliding groove is arranged in the sliding groove, the lower part of the suspension girder is provided with a switch mechanism for controlling the tension mechanism, and the suspension ropes on one side of the suspension girder far away from the connecting hole are fixedly connected to the suspension girder. The method has the advantages that the possibility of accidental falling of the staff is reduced, and the construction risk of the staff is reduced.
Description
Technical Field
The utility model relates to the field of steel box girder installation, in particular to a suspension device for a bridge deck pouring combined steel box girder and a pouring construction method.
Background
Currently, in the process of erecting a steel box girder by a bridge girder erection machine, in order to enable the steel box girder to be accurately and stably fixed at an erection position, the steel box girder is generally required to be suspended.
The utility model discloses a construction device for mounting and dismounting steel box girders by suspension of a bridge girder erection machine, which comprises two bridge girder erection machine sandboxed supports, two suspension rods and a joist, wherein the suspension rods are vertically arranged and consist of an upper section, a middle section and a lower section; the upper section vertically penetrates through a lower opening of the bridge girder erection machine sandbox support, the top end of the upper section is exposed out of an opening of the top surface of the bridge girder erection machine sandbox support, a locking nut is meshed with the outer side of the part of the upper section exposed out of the top surface of the bridge girder erection machine sandbox support, and the diameter of the locking nut is larger than the aperture of the opening of the top surface of the bridge girder erection machine sandbox support; the middle top surface of the joist is in fit contact with the bottom surface of the steel box girder body, the lower sections of the two suspenders vertically penetrate through openings on two sides of the joist respectively, the bottom ends of the lower sections are exposed out of the bottom surface of the joist, fixing nuts are meshed with the outer sides of the parts of the lower sections exposed out of the bottom surface of the joist, and the diameters of the fixing nuts are larger than the opening diameters of the joist.
For the related art, after the steel box girder is adjusted in place, a worker needs to climb onto the steel box girder to detach the threaded connector, so that the suspension girder is separated from the steel box girder, but the process that the worker detaches the threaded connector on the steel box girder improves the possibility that the worker accidentally falls down, and the construction risk of the worker is increased.
Disclosure of Invention
In order to reduce the possibility of accidental falling of staff and reduce the construction risk of the staff, the application provides a suspension device for pouring a combined steel box girder on a bridge deck and a pouring construction method.
In a first aspect, the present application provides a suspension device for pouring a combined steel box girder on a bridge deck, which adopts the following technical scheme:
the utility model provides a bridge floor pours suspension device of combination formula steel case roof beam, includes the suspension roof beam and sets up in the lifting rope of suspension roof beam both sides, the connecting hole has been seted up to one side of suspension roof beam, the lifting rope tip fixedly connected with connecting block of one of them side of suspension roof beam, the connecting block inserts and locates in the connecting hole, the joint groove has been seted up on the side of connecting block, the sliding tray has been seted up on the lateral wall of connecting hole, be provided with joint mechanism in the sliding tray, joint mechanism include one end can insert locate the card strip in the joint groove, the card strip slide set up in the sliding tray, be provided with in the sliding tray can with the card strip to the pulling force mechanism of pulling in the sliding tray, the lower part of suspension roof beam is provided with and is used for controlling the switch mechanism of pulling force mechanism, the suspension roof beam keep away from the lifting rope fixed connection of connecting hole one side in on the suspension roof beam.
Through adopting above-mentioned technical scheme, the card strip slides and sets up in the sliding tray, and the one end of card strip can be inserted in locating the joint inslot simultaneously to hinder the connecting block to break away from the connecting hole. After the steel box girder is hoisted in place, the staff can control the tension mechanism to pull the clamping strip into the sliding groove through the switch mechanism, so that one end of the clamping strip can be separated from the clamping groove, and the connecting block can be separated from the connecting hole, so that the staff can control the lifting rope on one side of the suspension girder to be separated from the suspension girder on the ground, and the construction risk of the staff is reduced.
Preferably, the tension mechanism comprises an attraction block fixedly connected to one side, away from the connecting block, of the clamping strip and an electromagnet for attracting the attraction block to move into the sliding groove, and the electromagnet is fixedly connected to the side wall of the sliding groove.
Through adopting above-mentioned technical scheme, when the electric loop of electro-magnet switches on, the magnetic force of electro-magnet can stimulate the attraction piece and slide in to the sliding tray to make the attraction piece drive card strip and slide to the sliding tray, make the one end of card strip break away from the joint groove.
Preferably, the bottom surface of the suspension beam is provided with a groove, the switch mechanism comprises a sliding block which is arranged in the groove in a sliding manner, a fixed contact piece is embedded on the inner wall of the groove, a movable contact piece which can be abutted against the fixed contact piece is embedded on the side wall of the groove, a power supply is fixed on the suspension beam, the fixed contact piece is electrically connected with one electrode of the power supply, the other electrode of the power supply is electrically connected with one end of a coil in the electromagnet, and the other end of the coil in the electromagnet is electrically connected with the movable contact piece.
Through adopting above-mentioned technical scheme, decide that the contact is connected with one of them electrode electricity of power, another electrode of power is connected with one of them one end electricity of coil in the electro-magnet, and the other end and the movable contact electricity of coil in the electro-magnet are connected, when the staff upwards promotes the slider and makes the slider slide in the recess, and the movable contact is inconsistent with deciding the contact to make the electric loop of electro-magnet switched on, and then make the magnetic force of electro-magnet can stimulate the card strip and slide in the sliding tray.
Preferably, a limiting groove is formed in the inner wall of the groove, a limiting block is fixedly connected to the side face of the sliding block, and the limiting block is slidably arranged in the limiting groove.
Through adopting above-mentioned technical scheme, the stopper slides and sets up in the spacing inslot to hinder the sliding block to break away from the recess, improved the steadiness of switch mechanism structure.
Preferably, a first spring is arranged in the groove, one end of the first spring is abutted against the top wall of the groove, and the other end of the first spring is abutted against the sliding block.
Through adopting above-mentioned technical scheme, under the elasticity effect of first spring, first spring obstructs the sliding block and slides in to the recess to reduce the electric loop of electro-magnet by the possibility that unexpected switched on, and then promoted the security of suspending device.
Preferably, the below of switch mechanism is provided with supporting mechanism, supporting mechanism including be fixed in subaerial bottom plate, fixed connection in fixed pipe on the bottom plate, slide set up in slide bar in the fixed pipe and can with the roof that the cantilever is inconsistent, the roof with slide bar fixed connection, the slide bar with be provided with adjusting part between the fixed pipe, adjusting part is used for the drive the slide bar is in slide in the fixed pipe.
Through adopting above-mentioned technical scheme, staff accessible adjusting part drive slide bar slides in the fixed pipe, make the roof can conflict gradually on the bottom surface of suspension girder, in-process that the roof was contradicted to the suspension girder, the roof can promote the slider to the recess in, thereby make the electric loop of electro-magnet switched on, make the staff can control the lifting rope of suspension girder one side in subaerial and break away from the suspension girder, simultaneously, supporting mechanism's roof and inconsistent, make supporting mechanism can support the suspension girder, the lifting rope break away from the suspension girder suddenly and lead to the possibility that the suspension girder takes place to swing in the sky, the security of suspension device demolishment process has been improved.
Preferably, the adjusting component comprises an adjusting pipe sleeved on the sliding rod, the adjusting pipe is in threaded connection with the sliding rod, a connecting pipe is fixedly connected to the adjusting pipe, the connecting pipe is sleeved outside the fixed pipe, the connecting pipe is rotationally arranged on the fixed pipe, an anti-rotation groove is formed in the sliding rod, an anti-rotation block is fixed on the inner wall of the fixed pipe, and the anti-rotation block is slidably arranged in the anti-rotation groove.
Through adopting above-mentioned technical scheme, adjusting tube and slide bar threaded connection, prevent changeing the piece and slide to set up in preventing changeing the inslot, the connecting pipe rotates and sets up on fixed pipe, and when the staff rotated adjusting tube, the slide bar can remove in fixed pipe to make the roof can be close to the cantilever gradually, until contradicting on the cantilever.
Preferably, the inner wall of the connecting pipe is fixedly connected with a lug, the outer circumferential surface of the fixing pipe is provided with an annular groove, and the lug is slidably arranged in the annular groove.
Through adopting above-mentioned technical scheme, the lug slides and sets up in the ring channel to make the go-between can be in fixed pipe pivoted simultaneously, hinder the connecting pipe to break away from fixed pipe.
Preferably, a second spring is arranged in the sliding groove, one end of the second spring is abutted against the side wall of the sliding groove away from the connecting block, and the other end of the second spring is abutted against the clamping strip.
Through adopting above-mentioned technical scheme, under the elasticity effect of second spring, the second spring obstructs card strip to slide in the sliding tray to in the one end of hindering the card strip breaks away from the joint groove, reduced the unexpected possibility of breaking away from the cantilever beam of connecting block, promoted the security of cantilever device.
In a second aspect, the pouring construction method for pouring the combined steel box girder on the bridge deck provided by the application adopts the following technical scheme:
the pouring construction method for pouring the combined steel box girder on the bridge deck comprises the following steps: s1: placing the suspension beam below a steel box beam; s2: inserting the connecting block into the connecting hole, and inserting one end of the clamping strip into the clamping groove; s3: the steel box girder is hoisted by workers; s4: after the steel box girder is hoisted in place, the adjusting component is rotated; s5: when the top plate is abutted against the suspension beam, the sliding block slides into the groove, and the clamping strip is separated from the clamping groove; s6: the staff reversely rotates the adjusting component to enable the supporting mechanism to slowly shrink; s7: and pouring the steel box girder by workers.
Through adopting above-mentioned technical scheme, staff accessible adjusting part drive slide bar slides in fixed pipe, make the roof can conflict gradually on the bottom surface of suspension girder, in-process that the roof was contradicted to suspension girder, the roof can promote the sliding block in to the recess, thereby make the electric loop of electro-magnet switched on, make the card strip slide in to the sliding tray, make the staff can control the lifting rope of suspension girder one side in subaerial and break away from suspension girder, simultaneously, supporting mechanism's roof and inconsistent, make supporting mechanism support suspension girder, the lifting rope break away from suspension girder suddenly and lead to the possibility that suspension girder takes place to swing in the sky, the security of suspension device demolishs the process has been improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the clamping strip is arranged in the sliding groove in a sliding manner, and one end of the clamping strip can be inserted into the clamping groove, so that the connecting block is prevented from being separated from the connecting hole. After the steel box girder is hoisted in place, a worker can control the tension mechanism to pull the clamping strip into the sliding groove through the switch mechanism, so that one end of the clamping strip can be separated from the clamping groove, and the connecting block can be separated from the connecting hole, so that the worker can control a lifting rope on one side of the suspension girder to be separated from the suspension girder on the ground, and the construction risk of the worker is reduced;
2. the fixed contact piece is electrically connected with one electrode of the power supply, the other electrode of the power supply is electrically connected with one end of a coil in the electromagnet, the other end of the coil in the electromagnet is electrically connected with the contact piece, and when a worker pushes the sliding block upwards to enable the sliding block to slide into the groove, the movable contact piece is abutted against the fixed contact piece, so that an electric loop of the electromagnet is conducted, and magnetic force of the electromagnet can pull the clamping strip to slide into the sliding groove;
3. the staff accessible adjusting part drive slide bar slides in fixed intraductal, make the roof can conflict gradually on the bottom surface of suspension girder, in the in-process that the roof was contradicted to suspension girder, the roof can promote the sliding block in to the recess, thereby make the electric loop of electro-magnet switched on, make the staff can control the lifting rope of suspension girder one side and break away from the suspension girder subaerial, simultaneously, supporting mechanism's roof and inconsistent, make supporting mechanism support the suspension girder, the lifting rope break away from the suspension girder suddenly and lead to the possibility that the suspension girder takes place to swing in the sky, the security of suspension device demolishs the process has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a suspension device according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a suspension beam in an embodiment of the present application.
Fig. 3 is a cross-sectional view of a support mechanism in an embodiment of the present application.
Reference numerals illustrate:
1. a suspension beam; 11. a connection hole; 12. a sliding groove; 13. a groove; 131. a limit groove; 2. a hanging rope; 3. a connecting block; 31. a clamping groove; 4. a clamping mechanism; 41. clamping strips; 42. a second spring; 5. a tension mechanism; 51. a suction block; 52. an electromagnet; 6. a switching mechanism; 61. a sliding block; 611. a limiting block; 62. a first spring; 63. a power supply; 64. a fixed contact; 65. a movable contact; 7. a support mechanism; 71. a bottom plate; 72. a fixed tube; 721. an annular groove; 722. an anti-rotation block; 73. a slide bar; 731. an anti-rotation groove; 74. a top plate; 75. an adjustment assembly; 751. an adjusting tube; 752. a connecting pipe; 753. and a bump.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a suspension device for a bridge deck pouring combined steel box girder. Referring to fig. 1 and 2, the suspension device includes a suspension beam 1, a suspension rope 2, a connection block 3, a clip mechanism 4, a tension mechanism 5, a switching mechanism 6, and a support mechanism 7. The steel box girder is placed on the top surface of the suspension girder 1, four lifting ropes 2 are arranged on the suspension girder 1, and the four lifting ropes 2 are respectively arranged at four corners of the suspension girder 1. Two lifting ropes 2 on one side of the suspension beam 1 are fixedly connected to the suspension beam 1, a connecting hole 11 is formed in the top surface of the other side of the suspension beam 1, two connecting blocks 3 are respectively fixed at the end parts of the two lifting ropes 2 on one side close to the connecting hole 11, and the two connecting blocks 3 are respectively inserted into the two connecting holes 11.
Referring to fig. 2, a sliding groove 12 is formed on a side wall of the connection hole 11, a clamping groove 31 is formed on a side surface of the connection block 3, the clamping groove 31 is communicated with the sliding groove 12, a clamping mechanism 4 is arranged in the sliding groove 12, and the clamping mechanism 4 comprises a clamping bar 41 and a second spring 42. The clamping strip 41 is slidably arranged in the sliding groove 12, the second spring 42 is arranged in the sliding groove 12, one end of the second spring 42 is abutted against the side wall of the sliding groove 12 far away from the connecting block 3, the other end of the second spring 42 is abutted against the clamping strip 41, one end of the clamping strip 41 can be inserted into the clamping groove 31, and one end of the clamping strip 41 is inserted into the clamping groove 31 under the elastic force of the second spring 42.
Referring to fig. 2, two sets of tension mechanisms 5 are disposed on the suspension beam 1, the two sets of tension mechanisms 5 are disposed in the two sliding grooves 12, and the tension mechanisms 5 include a suction block 51 and an electromagnet 52. The attraction block 51 is fixedly connected to the end face of the clamping strip 41 away from the connecting block 3, and the electromagnet 52 is fixedly connected to the side wall of the sliding groove 12 away from the connecting block 3.
Referring to fig. 2, two grooves 13 are formed on the bottom surface of the suspension beam 1, two groups of switch mechanisms 6 are disposed on the suspension beam 1, the two groups of switch mechanisms 6 are respectively disposed in the two grooves 13, and the switch mechanisms 6 include a sliding block 61, a first spring 62, a power supply 63, a fixed contact 64 and a movable contact 65. The sliding block 61 is vertically arranged in the groove 13 in a sliding manner, the inner wall of the groove 13 is provided with a limiting groove 131, the length direction of the limiting groove 131 is vertically arranged, a limiting block 611 is fixedly welded on the side surface of the sliding block 61, and the limiting block 611 is arranged in the limiting groove 131 in a sliding manner. The first spring 62 is disposed in the groove 13, one end of the first spring 62 abuts against the top wall of the groove 13, and the other end of the first spring 62 abuts against the top surface of the sliding block 61 to prevent the sliding block 61 from sliding into the groove 13.
Referring to fig. 2, a fixed contact 64 is embedded on the inner wall of the groove 13, a movable contact 65 is embedded on the side wall of the groove 13, a power supply 63 is fixed on the top surface of the suspension beam 1, the power supply 63 is positioned on one side of the connecting block 3 away from the steel box beam, the fixed contact 64 is electrically connected with one electrode of the power supply 63, the other electrode of the power supply 63 is electrically connected with one end of a coil in the electromagnet 52, the other end of the coil in the electromagnet 52 is electrically connected with the movable contact 65, when the sliding block 61 slides into the groove 13, the electric circuit of the electromagnet 52 is conducted, and the magnetic force of the electromagnet 52 can pull the clamping strip 41 to slide into the sliding groove 12.
Referring to fig. 1 and 3, two sets of support mechanisms 7 are provided below the suspension beam 1, the two sets of support mechanisms 7 are respectively provided below the switch mechanism 6, and the support mechanisms 7 include a bottom plate 71, a fixed pipe 72, a slide rod 73, a top plate 74, and an adjusting assembly 75. The bottom plate 71 is fixed on the ground, the fixed pipe 72 is fixed in the middle of the top surface of the bottom plate 71 by vertical welding, the sliding rod 73 is vertically arranged in the fixed pipe 72 in a sliding mode, the sliding rod 73 is provided with an anti-rotation groove 731, the length direction of the anti-rotation groove 731 is parallel to the length direction of the adjusting rod, an anti-rotation block 722 is fixed on the inner wall of the fixed pipe 72, and the anti-rotation block 722 is arranged in the anti-rotation groove 731 in a sliding mode.
Referring to fig. 1 and 3, a top plate 74 is welded to the top of the slide bar 73, and the slide bar 73 is positioned at the middle of the bottom surface of the top plate 74. The adjusting assembly 75 is disposed between the sliding rod 73 and the fixed tube 72, and the adjusting assembly 75 includes an adjusting tube 751, a connecting tube 752, and a bump 753. The adjusting tube 751 is sleeved on the sliding rod 73, the adjusting tube 751 is in threaded connection with the sliding rod 73, the connecting tube 752 is coaxially welded and fixed on the bottom end face of the adjusting tube 751, the connecting tube 752 is sleeved outside the fixed tube 72, and the connecting tube 752 is rotatably arranged on the fixed tube 72. The protrusion 753 is welded and fixed to the inner circumferential surface of the connection pipe 752, the outer circumferential surface of the fixing pipe 72 is provided with an annular groove 721, and the protrusion 753 is slidably disposed in the annular groove 721. When the worker rotates the adjustment tube 751, the slide bar 73 moves upward until the top plate 74 abuts on the cantilever beam 1.
The implementation principle of the suspension device for pouring the combined steel box girder on the bridge deck of the embodiment of the application is as follows: the staff rotates adjusting tube 751 and drives slide bar 73 to slide upwards in fixed tube 72, make roof 74 can be contradicted gradually on the bottom surface of hanging beam 1, in the in-process that roof 74 contradicted hanging beam 1, roof 74 can promote slider 61 to recess 13, thereby the electric loop of electro-magnet 52 is switched on, and then the magnetic force that makes electro-magnet 52 can pull card strip 41 to slide in slide groove 12 and break away from joint groove 31, make the staff can control hanging rope 2 of hanging beam 1 one side and break away from hanging beam 1 subaerial, thereby make the staff can control hanging rope 2 of hanging beam 1 one side and break away from hanging beam 1 subaerial, the construction risk of staff has been reduced.
Meanwhile, the top plate 74 of the supporting mechanism 7 is in contact with the supporting plate, after the connecting block 3 is separated from the connecting hole 11, a worker reversely rotates the adjusting tube 751 to enable the supporting mechanism 7 to slowly shrink, so that the suspension beam 1 slowly falls down, the supporting mechanism 7 can support the suspension beam 1, the possibility that the suspension beam 1 swings in the air due to the fact that the suspension rope 2 suddenly breaks away from the suspension beam 1 is reduced, and the safety of the suspension device dismantling process is improved.
The embodiment of the application also discloses a pouring construction method of the bridge deck pouring combined steel box girder, which comprises the following steps: s1: placing the suspension girder 1 below the steel box girder; s2: inserting the connecting block 3 into the connecting hole 11, and inserting one end of the clamping strip 41 into the clamping groove 31; s3: the steel box girder is hoisted by workers; s4: after the steel box girder is hoisted in place, the adjusting assembly 75 is rotated; s5: when the top plate 74 is abutted against the suspension beam 1, the sliding block 61 slides into the groove 13, and the clamping strip 41 is separated from the clamping groove 31; s6: the operator rotates the adjusting assembly 75 reversely to enable the supporting mechanism 7 to shrink slowly; s7: and pouring the steel box girder by workers.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a suspension device of combination formula steel case roof beam is pour to bridge floor, includes suspension roof beam (1) and sets up in lifting rope (2) of suspension roof beam (1) both sides, its characterized in that: a connecting hole (11) is formed in one side of the suspension beam (1), a connecting block (3) is fixedly connected to the end part of the lifting rope (2) on one side of the suspension beam (1), the connecting block (3) is inserted into the connecting hole (11), a clamping groove (31) is formed in the side face of the connecting block (3), a sliding groove (12) is formed in the side wall of the connecting hole (11), a clamping mechanism (4) is arranged in the sliding groove (12), the clamping mechanism (4) comprises a clamping strip (41) with one end capable of being inserted into the clamping groove (31), the clamping strip (41) is slidably arranged in the sliding groove (12), a tension mechanism (5) capable of pulling the clamping strip (41) into the sliding groove (12) is arranged in the sliding groove (12), a switching mechanism (6) for controlling the tension mechanism (5) is arranged at the lower part of the suspension beam (1), and one side of the suspension beam (1) far away from the connecting rope (2) is fixedly connected to the suspension beam (1);
the tension mechanism (5) comprises an attraction block (51) fixedly connected to one side, far away from the connecting block (3), of the clamping strip (41) and an electromagnet (52) for attracting the attraction block (51) to move into the sliding groove (12), and the electromagnet (52) is fixedly connected to the side wall of the sliding groove (12);
a groove (13) is formed in the bottom surface of the cantilever (1), the switch mechanism (6) comprises a sliding block (61) which is arranged in the groove (13) in a sliding manner, a fixed contact piece (64) is embedded on the inner wall of the groove (13), a movable contact piece (65) which can be abutted against the fixed contact piece (64) is embedded on the side wall of the groove (13), a power supply (63) is fixed on the cantilever (1), the fixed contact piece (64) is electrically connected with one electrode of the power supply (63), the other electrode of the power supply (63) is electrically connected with one end of a coil in the electromagnet (52), and the other end of the coil in the electromagnet (52) is electrically connected with the movable contact piece (65);
the utility model discloses a switch mechanism, including switch mechanism (6), the below of switch mechanism (6) is provided with supporting mechanism (7), supporting mechanism (7) including be fixed in subaerial bottom plate (71), fixed connection in fixed pipe (72) on bottom plate (71), slide set up in slide bar (73) in fixed pipe (72) and can with roof (74) that cantilever beam (1) is inconsistent, roof (74) with slide bar (73) fixed connection, slide bar (73) with be provided with between fixed pipe (72) adjusting part (75), adjusting part (75) are used for the drive slide bar (73) are in slide in fixed pipe (72).
2. The suspension device for pouring a combined steel box girder on a bridge deck according to claim 1, wherein: limiting grooves (131) are formed in the inner walls of the grooves (13), limiting blocks (611) are fixedly connected to the side faces of the sliding blocks (61), and the limiting blocks (611) are slidably arranged in the limiting grooves (131).
3. The suspension device for pouring a combined steel box girder on a bridge deck according to claim 1, wherein: a first spring (62) is arranged in the groove (13), one end of the first spring (62) is abutted against the top wall of the groove (13), and the other end of the spring is abutted against the sliding block (61).
4. The suspension device for pouring a combined steel box girder on a bridge deck according to claim 1, wherein: the adjusting component (75) comprises an adjusting pipe (751) sleeved on the sliding rod (73), the adjusting pipe (751) is in threaded connection with the sliding rod (73), a connecting pipe (752) is fixedly connected to the adjusting pipe (751), the connecting pipe (752) is sleeved outside the fixed pipe (72), the connecting pipe (752) is rotationally arranged on the fixed pipe (72), an anti-rotation groove (731) is formed in the sliding rod (73), an anti-rotation block (722) is fixed on the inner wall of the fixed pipe (72), and the anti-rotation block (722) is slidably arranged in the anti-rotation groove (731).
5. The suspension device for pouring a combined steel box girder on a bridge deck according to claim 4, wherein: the inner wall of the connecting pipe (752) is fixedly connected with a lug (753), an annular groove (721) is formed in the outer circumferential surface of the fixed pipe (72), and the lug (753) is slidably arranged in the annular groove (721).
6. The suspension device for pouring a combined steel box girder on a bridge deck according to claim 1, wherein: the sliding groove (12) is internally provided with a second spring (42), one end of the second spring (42) is abutted against the side wall, far away from the connecting block (3), of the sliding groove (12), and the other end of the second spring (42) is abutted against the clamping strip (41).
7. The method for pouring construction of the combined steel box girder poured on the bridge deck, which is a hoisting method implemented by the suspension device of the combined steel box girder poured on the bridge deck according to claim 1, is characterized by comprising the following steps:
s1: placing the suspension girder (1) below a steel box girder;
s2: inserting the connecting block (3) into the connecting hole (11), and inserting one end of the clamping strip (41) into the clamping groove (31);
s3: the steel box girder is hoisted by workers;
s4: rotating the adjusting assembly (75) after the steel box girder is hoisted in place;
s5: when the top plate (74) is abutted against the suspension girder (1), the sliding block (61) slides into the groove (13), and the clamping strip (41) is separated from the clamping groove (31);
s6: the staff reversely rotates the adjusting component (75) to enable the supporting mechanism (7) to slowly shrink;
s7: and pouring the steel box girder by workers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210560517.0A CN114855628B (en) | 2022-05-23 | 2022-05-23 | Suspension device for bridge deck pouring combined steel box girder and pouring construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210560517.0A CN114855628B (en) | 2022-05-23 | 2022-05-23 | Suspension device for bridge deck pouring combined steel box girder and pouring construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114855628A CN114855628A (en) | 2022-08-05 |
| CN114855628B true CN114855628B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210560517.0A Active CN114855628B (en) | 2022-05-23 | 2022-05-23 | Suspension device for bridge deck pouring combined steel box girder and pouring construction method |
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| CN (1) | CN114855628B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10273965A (en) * | 1997-03-31 | 1998-10-13 | Abc Trading Co Ltd | Joist installation structure, installation method, and supporting device |
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| CN211621236U (en) * | 2019-12-16 | 2020-10-02 | 郑州第二市政建设集团有限公司 | Bridge steel case roof beam hoist device |
| CN111962913A (en) * | 2020-08-24 | 2020-11-20 | 广厦建设集团有限责任公司 | Intelligent template strutting arrangement for building engineering construction |
| CN114016432A (en) * | 2021-12-23 | 2022-02-08 | 江西赣粤高速公路工程有限责任公司 | Novel steel box girder hoisting equipment for bridge construction and construction method thereof |
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2022
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| JPH10273965A (en) * | 1997-03-31 | 1998-10-13 | Abc Trading Co Ltd | Joist installation structure, installation method, and supporting device |
| KR19990003302A (en) * | 1997-06-25 | 1999-01-15 | 박선근 | How to install and dismantle the building frame panel stably |
| CN108675000A (en) * | 2018-08-01 | 2018-10-19 | 浙江环龙机器有限公司 | A kind of outer framework structure |
| CN109577676A (en) * | 2019-01-15 | 2019-04-05 | 福建省工业设备安装有限公司 | A kind of Cantilever Beams intelligence provision for disengagement and its method for dismounting |
| CN210607117U (en) * | 2019-11-04 | 2020-05-22 | 常州市久安电器制造有限公司 | Energy-saving electromagnetic switch |
| CN211621236U (en) * | 2019-12-16 | 2020-10-02 | 郑州第二市政建设集团有限公司 | Bridge steel case roof beam hoist device |
| CN111535671A (en) * | 2020-05-22 | 2020-08-14 | 广州金魁星家具有限公司 | Electromagnetic control automatic locking anti-theft device during door closing |
| CN111962913A (en) * | 2020-08-24 | 2020-11-20 | 广厦建设集团有限责任公司 | Intelligent template strutting arrangement for building engineering construction |
| CN114016432A (en) * | 2021-12-23 | 2022-02-08 | 江西赣粤高速公路工程有限责任公司 | Novel steel box girder hoisting equipment for bridge construction and construction method thereof |
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| CN114855628A (en) | 2022-08-05 |
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