CN114855628A - Suspension device for pouring combined steel box girder on bridge floor and pouring construction method - Google Patents
Suspension device for pouring combined steel box girder on bridge floor and pouring construction method Download PDFInfo
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- CN114855628A CN114855628A CN202210560517.0A CN202210560517A CN114855628A CN 114855628 A CN114855628 A CN 114855628A CN 202210560517 A CN202210560517 A CN 202210560517A CN 114855628 A CN114855628 A CN 114855628A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 63
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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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Abstract
The invention discloses a suspension device for pouring a combined steel box girder on a bridge floor and a pouring construction method, the suspension device comprises a suspension beam and lifting ropes arranged on two sides of the suspension beam, one side of the suspension beam is provided with a connecting hole, the end part of the lifting rope on one side of the suspension beam is fixedly connected with a connecting block, the connecting block is inserted into the connecting hole, the side surface of the connecting block is provided with a clamping groove, the side wall of the connecting hole is provided with a sliding groove, the sliding groove is internally provided with a clamping mechanism, the clamping mechanism comprises a clamping strip, one end of the clamping strip can be inserted into the clamping groove, the clamping strip is slidably arranged in the sliding groove, the sliding groove is internally provided with a tension mechanism capable of pulling the clamping strip into the sliding groove, the lower part of the suspension beam is provided with a switch mechanism for controlling the tension mechanism, and the lifting rope on one side of the suspension beam, which is far away from the connecting hole, is fixedly connected to the suspension beam. The method and the device have the advantages that the possibility that the worker falls accidentally is reduced, and the construction risk of the worker is reduced.
Description
Technical Field
The invention relates to the field of steel box girder installation, in particular to a suspension device for pouring a combined steel box girder on a bridge deck and a pouring construction method.
Background
At present, in the process of erecting a steel box girder by a bridge erecting machine, in order to accurately and stably fix the steel box girder at an erecting position, the steel box girder generally needs to be suspended and supported.
In the related art, the chinese utility model patent with publication number CN212270712U discloses a construction device for mounting and dismounting a steel box girder of a bridge girder erection machine, which comprises a bridge girder erection machine sandbox support, two suspenders and a joist, wherein the suspenders are vertically arranged, each suspender comprises an upper section, a middle section and a lower section, and the upper section, the middle section and the lower section are detachably connected by additionally arranging a threaded connector; 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 in the top surface of the bridge girder erection machine sandbox support, a locking nut is meshed on the outer side of the part, exposed out of the top surface of the bridge girder erection machine sandbox support, of the upper section, and the diameter of the locking nut is larger than the aperture of the opening in the top surface of the bridge girder erection machine sandbox support; the top surface of the middle part of the joist is in contact with the bottom surface of the steel box girder body in a fitting manner, the lower sections of the two suspenders vertically penetrate through the holes on the two sides of the joist respectively, the bottom ends of the lower sections of the two suspenders are exposed out of the bottom surface of the joist, the outer side of the part of the lower sections exposed out of the bottom surface of the joist is meshed with a fixing nut, and the diameter of the fixing nut is larger than the hole diameter of the joist.
Aiming at the related technology, after the steel box girder is adjusted in place, a worker needs to climb onto the steel box girder to remove the threaded connector, so that the suspension girder is separated from the steel box girder, but the process that the worker removes the threaded connector on the steel box girder improves the possibility that the worker falls accidentally, and the construction risk of the worker is increased.
Disclosure of Invention
In order to reduce the possibility that workers fall accidentally and reduce the construction risk of the workers, the application provides a suspension device for pouring a combined steel box girder on a bridge deck and a pouring construction method.
First aspect, the application provides a suspension device of combination formula steel box girder is pour to bridge floor adopts following technical scheme:
the suspension device for pouring the combined steel box girder on the bridge deck comprises a suspension girder and lifting ropes arranged on two sides of the suspension girder, one side of the suspension beam is provided with a connecting hole, the end part of the lifting rope at one side of the suspension beam is fixedly connected with a connecting block, the connecting block is inserted in 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, the clamping mechanism comprises a clamping strip with one end inserted in 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, and the lower part of the suspension beam is provided with a switch mechanism for controlling the tension mechanism, and a lifting rope on one side of the suspension beam, which is far away from the connecting hole, is fixedly connected to the suspension 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 and locate the joint inslot simultaneously to hinder the connecting block to break away from the connecting hole. After the steel box girder hoists in place, staff's accessible on-off mechanism control pulling force mechanism will block the strip and to the pulling in the sliding tray, make the one end of card strip break away from in the joint inslot to make the connecting block can break away from the connecting hole, thereby make the staff subaerial can control the lifting rope that hangs joist one side break away from hanging the joist, reduced staff's construction risk.
Preferably, the tension mechanism comprises an attraction block fixedly connected to one side of the clamping strip, which is far away from the connecting block, and an electromagnet used 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 circuit of electro-magnet switched on, the magnetic force of electro-magnet can stimulate to attract the piece and slide to the sliding tray to make and attract the piece and drive the card strip and slide to the sliding tray, make the one end of card strip break away from the joint groove.
Preferably, a groove is formed in the bottom surface of the suspension beam, the switch mechanism comprises a sliding block which is slidably arranged in the groove, a fixed contact piece is embedded in the inner wall of the groove, a movable contact piece which can be abutted against the fixed contact piece is embedded in 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 the 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, the fixed contact is connected with one of them electrode electricity of power, and the other 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, and when the staff upwards promoted the sliding block and made the sliding block slide to the recess, the movable contact was inconsistent with the fixed contact to make the electric circuit of electro-magnet switched on, and then made the magnetic force of electro-magnet can stimulate the card strip and slide to 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 arranged in the limiting groove in a sliding mode.
Through adopting above-mentioned technical scheme, the stopper slides and sets up in the spacing inslot to block that the sliding block breaks away from the recess, improved the steadiness of on-off mechanism structure.
Preferably, a first spring is arranged in the groove, one end of the first spring abuts against the top wall of the groove, and the other end of the first spring abuts against the sliding block.
Through adopting above-mentioned technical scheme, under the elastic force effect of first spring, first spring hinders that the sliding block slides to the recess to the electric circuit that has reduced the electro-magnet is by the unexpected possibility that switches on, and then has promoted suspension device's security.
Preferably, a supporting mechanism is arranged below the switch mechanism, the supporting mechanism comprises a bottom plate fixed on the ground, a fixed pipe fixedly connected to the bottom plate, a sliding rod arranged in the fixed pipe in a sliding mode and a top plate capable of being abutted to the suspension supporting beam, the top plate is fixedly connected to the sliding rod, an adjusting assembly is arranged between the sliding rod and the fixed pipe, and the adjusting assembly is used for driving the sliding rod to slide in the fixed pipe.
Through adopting above-mentioned technical scheme, staff's accessible adjusting part drive slide bar slides in fixed pipe, make the roof conflict gradually on the bottom surface of hanging the joist, conflict the in-process of hanging the joist at the roof, the roof can promote the sliding block to the recess in, thereby make the electric circuit of electro-magnet switched on, make the staff can control the lifting rope that hangs joist one side and break away from hanging the joist subaerial, and simultaneously, supporting mechanism's roof and counterbalance, make supporting mechanism can support hanging the joist, the possibility that the lifting rope breaks away from suddenly and leads to hanging the joist to swing in the air takes place for hanging the joist has been reduced, the security that the suspension device demolishs the process has been improved.
Preferably, the adjusting assembly is located including the cover adjusting tube on the slide bar, the adjusting tube with slide bar threaded connection, fixedly connected with connecting pipe on the adjusting tube, the connecting pipe cover is located outside the fixed pipe, the connecting pipe rotate set up in on the fixed pipe, the rotating-proof groove has been seted up on the slide bar, be fixed with on the inner wall of fixed pipe and prevent changeing the piece, prevent changeing the piece slide set up in the rotating-proof inslot.
Through adopting above-mentioned technical scheme, the regulating pipe and slide bar threaded connection prevent that the turning block slides and sets up in preventing the rotation slot, and the connecting pipe rotates and sets up on fixed pipe, and when the staff rotated the regulating pipe, the slide bar can remove in fixed intraductal to make the roof be close to the joist that hangs gradually, until conflicting on the joist that hangs.
Preferably, the inner wall of the connecting pipe is fixedly connected with a convex block, the outer peripheral surface of the fixed pipe is provided with an annular groove, and the convex block is arranged in the annular groove in a sliding manner.
Through adopting above-mentioned technical scheme, the lug slides and sets up in the ring channel to when making the go-between rotate on fixed pipe, 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 abuts against the side wall, away from the connecting block, of the sliding groove, and the other end of the second spring abuts against the clamping strip.
Through adopting above-mentioned technical scheme, under the elastic force effect of second spring, the second spring hinders that the card strip slides to the sliding tray to the one end that hinders the card strip breaks away from the joint inslot, has reduced the unexpected possibility that breaks away from the suspension beam of connecting block, has promoted the security that suspends the supporting device.
In a second aspect, the application provides a pouring construction method for pouring a combined steel box girder on a bridge deck, which 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 girder below the steel box girder; s2: inserting the connecting block into the connecting hole, and inserting one end of the clamping strip into the clamping groove; s3: hoisting the steel box girder by workers; s4: when the steel box girder is hoisted in place, the adjusting assembly is rotated; s5: when the top plate abuts against the suspension beam, the sliding block slides into the groove, and the clamping strip is separated from the clamping groove; s6: the worker reversely rotates the adjusting assembly to enable the supporting mechanism to slowly contract; s7: and pouring the steel box girder by workers.
Through adopting above-mentioned technical scheme, staff's accessible adjusting part drive slide bar slides in fixed pipe, make the roof can conflict gradually on the bottom surface of hanging the joist, conflict the in-process of hanging the joist at the roof, the roof can promote the sliding block to the recess is interior, thereby make the electric circuit of electro-magnet switched on, make the card strip to the sliding tray internal slipping, make the staff subaerial can control the lifting rope that hangs joist one side and break away from hanging the joist, and simultaneously, supporting mechanism's roof and counterbalance, make supporting mechanism can support hanging the joist, the possibility that the lifting rope breaks away from suddenly and leads to hanging the joist to take place to swing aloft, the security that the suspension device demolishd 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 mode, and one end of the clamping strip can be inserted into the clamping groove to block the connecting block 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, the connecting block can be separated from the connecting hole, the worker can control the lifting rope on one side of the suspension beam to be separated from the suspension beam 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 the coil in the electromagnet, the other end of the coil in the electromagnet is electrically connected with the movable contact piece, and when a worker pushes the sliding block upwards to enable the sliding block to slide towards the groove, the movable contact piece is abutted against the fixed contact piece, so that an electric circuit of the electromagnet is conducted, and the magnetic force of the electromagnet can pull the clamping strip to slide towards the sliding groove;
3. staff's accessible adjusting part drive slide bar slides in fixed intraductal, make the roof conflict gradually on the bottom surface of hanging the joist, conflict the in-process of hanging the joist at the roof, the roof can promote the sliding block to the recess in, thereby make the electric circuit of electro-magnet switched on, make the staff subaerial lifting rope that can control hanging joist one side break away from hanging the joist, and simultaneously, supporting mechanism's roof and counterbalance, make supporting mechanism can support hanging the joist, reduced the lifting rope and suddenly broken away from hanging the joist and lead to hanging the joist take place the possibility of swinging aloft, the security of hanging the device and demolising the process has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a suspension device in 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 sectional view of the support mechanism in the embodiment of the present application.
Description of reference numerals:
1. a suspension beam; 11. connecting holes; 12. a sliding groove; 13. a groove; 131. a limiting groove; 2. a lifting rope; 3. connecting blocks; 31. a clamping groove; 4. a clamping mechanism; 41. clamping the strip; 42. a second spring; 5. a tension mechanism; 51. an attraction block; 52. an electromagnet; 6. a switch mechanism; 61. a slider; 611. a limiting block; 62. a first spring; 63. a power source; 64. a fixed contact piece; 65. a movable contact spring; 7. a support mechanism; 71. a base plate; 72. a fixed tube; 721. an annular groove; 722. a rotation prevention block; 73. a slide bar; 731. an anti-rotation slot; 74. a top plate; 75. an adjustment assembly; 751. an adjusting tube; 752. a connecting pipe; 753. and (4) a bump.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses suspension device of combination formula steel box girder is pour to bridge floor. Referring to fig. 1 and 2, the suspension device includes a suspension beam 1, a lifting rope 2, a connecting block 3, a clamping mechanism 4, a tension mechanism 5, a switch mechanism 6 and a support mechanism 7. The steel box girder is placed on the top surface of the suspension joist 1, four lifting ropes 2 are arranged on the suspension joist 1, and the four lifting ropes 2 are respectively arranged at four corners of the suspension joist 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 fixed to the end portions of the two lifting ropes 2 close to one side of the connecting hole 11 respectively, and the two connecting blocks 3 are inserted into the two connecting holes 11 respectively.
Referring to fig. 2, a sliding groove 12 is formed in the side wall of the connecting hole 11, a clamping groove 31 is formed in the side surface of the connecting block 3, the clamping groove 31 is communicated with the sliding groove 12, the clamping mechanism 4 is arranged in the sliding groove 12, and the clamping mechanism 4 includes a clamping strip 41 and a second spring 42. Card strip 41 slides and sets up in sliding tray 12, and second spring 42 sets up in sliding tray 12, and the one end of second spring 42 is contradicted on sliding tray 12 keeps away from the lateral wall of connecting block 3, and the other end of second spring 42 is contradicted on card strip 41, and card strip 41 in joint groove 31 can be inserted to one end, and under the spring action of second spring 42, the one end of card strip 41 is inserted and is located in joint groove 31.
Referring to fig. 2, two sets of the tension mechanisms 5 are arranged on the suspension beam 1, the two sets of the tension mechanisms 5 are respectively arranged in the two sliding grooves 12, and the tension mechanism 5 comprises an attraction block 51 and an electromagnet 52. The attraction block 51 is fixedly connected to the end face of the clamping bar 41 far away from the connecting block 3, and the electromagnet 52 is fixedly connected to the side wall of the sliding groove 12 far 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 sets of switching mechanisms 6 are arranged on the suspension beam 1, the two sets of switching mechanisms 6 are respectively arranged in the two grooves 13, and each switching mechanism 6 comprises a sliding block 61, a first spring 62, a power supply 63, a fixed contact piece 64 and a movable contact piece 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, the side surface of the sliding block 61 is fixedly welded with a limiting block 611, 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, the fixed contact piece 64 is embedded in the inner wall of the groove 13, the movable contact piece 65 is embedded in the side wall of the groove 13, the power supply 63 is fixed on the top surface of the suspension beam 1, the power supply 63 is located on the side of the connecting block 3 away from the steel box beam, 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 the coil in the electromagnet 52, the other end of the coil in the electromagnet 52 is electrically connected with the movable contact piece 65, when the sliding block 61 slides in the groove 13, the electric loop of the electromagnet 52 is conducted, and the magnetic force of the electromagnet 52 can pull the clamping strip 41 to slide in the sliding groove 12.
Referring to fig. 1 and 3, two sets of support mechanisms 7 are disposed below the suspension beam 1, the two sets of support mechanisms 7 are disposed below the switch mechanism 6, and each support mechanism 7 includes a bottom plate 71, a fixing tube 72, a sliding rod 73, a top plate 74, and an adjusting assembly 75. The bottom plate 71 is fixed in subaerial, the vertical welded fastening of fixed pipe 72 in the top surface middle part of bottom plate 71, and the vertical slip of slide bar 73 sets up in fixed pipe 72, has seted up on the slide bar 73 and has prevented changeing groove 731, and the length direction of preventing changeing groove 731 is parallel with the length direction of adjusting lever, is fixed with on the inner wall of fixed pipe 72 and prevents changeing piece 722, prevents changeing piece 722 and slides and set up in preventing changeing groove 731.
Referring to fig. 1 and 3, the top plate 74 is welded to the top of the sliding rod 73, and the sliding rod 73 is located 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 fixing tube 72, and the adjusting assembly 75 includes an adjusting tube 751, a connecting tube 752, and a projection 753. The adjusting pipe 751 is sleeved on the sliding rod 73, the adjusting pipe 751 is in threaded connection with the sliding rod 73, the connecting pipe 752 is coaxially welded and fixed on the bottom end face of the adjusting pipe 751, the connecting pipe 752 is sleeved outside the fixed pipe 72, and the connecting pipe 752 is rotatably arranged on the fixed pipe 72. The projection 753 is welded and fixed to the inner circumferential surface of the connecting pipe 752, an annular groove 721 is formed in the outer circumferential surface of the fixing pipe 72, and the projection 753 is slidably disposed in the annular groove 721. When the worker turns the adjustment tube 751, the slide bar 73 moves upward until the top plate 74 abuts on the suspension girder 1.
The implementation principle of the suspension device for pouring the combined steel box girder on the bridge deck in the embodiment of the application is as follows: the staff rotates adjusting pipe 751 drive slide bar 73 and upwards slides in fixed pipe 72, make roof 74 can conflict gradually on the bottom surface of hanging joist 1, conflict the in-process of hanging joist 1 at roof 74, roof 74 can promote sliding block 61 in to recess 13, thereby make the electric circuit of electro-magnet 52 switched on, and then make the magnetic force of electro-magnet 52 can stimulate card strip 41 and slide and break away from joint groove 31 to sliding tray 12, make the staff subaerial can control the lifting rope 2 that hangs joist 1 one side and break away from hanging joist 1, thereby make the staff subaerial can control the lifting rope 2 that hangs joist 1 one side and break away from hanging joist 1, staff's construction risk has been reduced.
Meanwhile, the top plate 74 of the supporting mechanism 7 is in contact with the top plate, and after the connecting block 3 is separated from the connecting hole 11, the worker reversely rotates the adjusting pipe 751 to slowly contract the supporting mechanism 7, 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 lifting rope 2 is suddenly separated 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 for pouring the combined steel box girder on the bridge deck, 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: hoisting the steel box girder by workers; s4: when the steel box girder is hoisted in place, the adjusting assembly 75 is rotated; s5: when the top plate 74 abuts 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 worker rotates the adjusting assembly 75 in the reverse direction to slowly retract the supporting mechanism 7; s7: and pouring the steel box girder by workers.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The suspension device of the bridge deck pouring combined steel box girder comprises a suspension girder (1) and lifting ropes (2) arranged on two sides of the suspension girder (1), and is 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 portion of a 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 switch mechanism (6) used for controlling the tension mechanism (5) is arranged on the lower portion of the suspension beam (1), and the lifting rope (2) on one side of the suspension beam (1) far away from the connecting hole (11) is fixedly connected to the suspension beam (1).
2. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 1, is characterized in that: 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) used for attracting the attraction block (51) to move in the sliding groove (12), and the electromagnet (52) is fixedly connected to the side wall of the sliding groove (12).
3. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 2, is characterized in that: the suspension supporting beam is characterized in that a groove (13) is formed in the bottom surface of the suspension supporting beam (1), the switch mechanism (6) comprises a sliding block (61) which is arranged in the groove (13) in a sliding mode, a fixed contact piece (64) is embedded in the inner wall of the groove (13), a movable contact piece (65) which can be abutted to the fixed contact piece (64) is embedded in the side wall of the groove (13), a power source (63) is fixed on the suspension supporting beam (1), the fixed contact piece (64) is electrically connected with one electrode of the power source (63), the other electrode of the power source (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).
4. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 3, is characterized in that: the inner wall of the groove (13) is provided with a limiting groove (131), the side surface of the sliding block (61) is fixedly connected with a limiting block (611), and the limiting block (611) is arranged in the limiting groove (131) in a sliding mode.
5. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 3, is characterized in that: a first spring (62) is arranged 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 spring abuts against the sliding block (61).
6. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 3, is characterized in that: the support mechanism (7) is arranged below the switch mechanism (6), the support mechanism (7) comprises a base plate (71) fixed on the ground, a fixed pipe (72) fixedly connected to the base plate (71), a sliding rod (73) arranged in the fixed pipe (72) and a top plate (74) which can be abutted to the suspension beam (1), the top plate (74) is fixedly connected with the sliding rod (73), an adjusting component (75) is arranged between the sliding rod (73) and the fixed pipe (72), and the adjusting component (75) is used for driving the sliding rod (73) to slide in the fixed pipe (72).
7. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 6, is characterized in that: adjusting part (75) are located including the cover adjusting tube (751) on slide bar (73), adjusting tube (751) with slide bar (73) threaded connection, fixedly connected with connecting pipe (752) on adjusting tube (751), connecting pipe (752) cover is located outside fixed pipe (72), connecting pipe (752) rotate set up in on fixed pipe (72), slide bar (73) are last to have seted up and to have prevented changeing groove (731), be fixed with on the inner wall of fixed pipe (72) and prevent changeing piece (722), prevent changeing piece (722) slide set up in preventing changeing groove (731).
8. The suspension device for pouring the combined steel box girder on the bridge floor according to claim 7, characterized in that: the inner wall of the connecting pipe (752) is fixedly connected with a bump (753), the outer peripheral surface of the fixed pipe (72) is provided with an annular groove (721), and the bump (753) is arranged in the annular groove (721) in a sliding mode.
9. The suspension device for pouring the combined steel box girder through the bridge deck according to claim 1, is characterized in that: a second spring (42) is arranged in the sliding groove (12), one end of the second spring (42) abuts 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) abuts against the clamping strip (41).
10. The pouring construction method for pouring the combined steel box girder on the bridge deck is characterized by comprising the following steps of:
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: hoisting the steel box girder by workers;
s4: when the steel box girder is hoisted in place, the adjusting component (75) is rotated;
s5: when the top plate (74) abuts 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 worker reversely rotates the adjusting assembly (75) to slowly retract the supporting mechanism (7);
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 true CN114855628A (en) | 2022-08-05 |
| CN114855628B CN114855628B (en) | 2024-02-23 |
Family
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Family Applications (1)
| 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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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 |
| 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 |
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| CN114855628B (en) | 2024-02-23 |
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