CN116497721A - Swivel system based on intelligent deviation correcting support legs and construction method - Google Patents
Swivel system based on intelligent deviation correcting support legs and construction method Download PDFInfo
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- CN116497721A CN116497721A CN202310489854.XA CN202310489854A CN116497721A CN 116497721 A CN116497721 A CN 116497721A CN 202310489854 A CN202310489854 A CN 202310489854A CN 116497721 A CN116497721 A CN 116497721A
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- 238000010276 construction Methods 0.000 title claims abstract description 66
- 238000012937 correction Methods 0.000 claims abstract description 26
- 244000035744 Hura crepitans Species 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
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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
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention discloses a swivel system and a construction method based on intelligent correction support feet, comprising a lower bearing platform, a power supply box and a main control platform, wherein a swivel support cushion is fixedly arranged in the center of the top of the lower bearing platform, a swivel support is fixedly arranged at the top of the swivel support cushion, an upper bearing platform is connected at the top of the swivel support in a contact manner, a pier is fixedly connected at the top of the upper bearing platform, a swivel girder body is fixedly connected at the top of the pier, swivel slide ways positioned at the outer side of the swivel support cushion are fixedly arranged on the lower bearing platform, a plurality of sand boxes in pairs are fixedly arranged at the top of each swivel slide way, intelligent correction support feet positioned between two adjacent sand boxes are arranged on the swivel slide ways, the power supply box is connected with the main control platform through a power supply wire, and the intelligent correction support feet comprise a support foot base, two shear fork supports and an upper slide way protection frame.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a swivel system based on intelligent deviation rectifying supporting feet and a construction method.
Background
In recent years, the traffic industry in China is vigorous, the emerging speed of the three-dimensional cross engineering is increased, the construction risk is reduced in bridge construction, and meanwhile, the influence of the construction on the existing traffic line is reduced, so that the three-dimensional cross engineering becomes a core problem in the current traffic field. The bridge swivel construction is a construction method for pouring and forming a main girder body along the side direction of obstacles such as existing traffic lines, rivers and the like and constructing a designed bridge position through swivel construction. The construction process has the advantages of safety, economy, no influence on the existing traffic line and the like, so that swivel construction is often the preferred scheme for the bridge to cross the existing railway special line.
The key device of bridge swivel construction is a swivel support system, and the primary task in the swivel construction process is to ensure the overall stability of the bridge and prevent the overturning of the main girder body. In swivel engineering projects, the stability of the bridge is often ensured by the joint cooperation of swivel supports and supporting leg structures. Before girder swivel construction, the unbalanced moment is measured through weighing test, and the gravity center of the bridge is overlapped with the geometric centroid of the swivel support by combining the balancing weight, so that the girder can safely reach the designed bridge position. However, in the on-site swivel construction, due to the external accidental load effect and the frictional resistance change caused by the spherical creep of the swivel support, the frictional resistance between the traditional supporting leg bottom plate and the swivel slide rail is possibly increased suddenly, so that the supporting legs are blocked, the swivel speed is seriously influenced, the construction risk is greatly improved, and meanwhile, after the traditional bridge swivel construction, the linear control method is complex and low in precision. Therefore, in order to overcome the existing technical problems of the swivel construction process, it is necessary to invent a swivel system and a construction method based on intelligent correction support feet.
Disclosure of Invention
The invention aims to provide a swivel system and a construction method based on intelligent correction support feet, which are used for solving the problems that in the prior art, when in on-site swivel construction, friction resistance changes caused by external accidental load action and spherical creep of a swivel support seat can cause sudden increase of friction resistance of a traditional support foot bottom plate and a swivel slide way, so that the support feet are blocked, swivel speed is seriously influenced, construction risk is greatly improved, and meanwhile, a linear control method is complex and low in precision after the traditional bridge swivel construction. Therefore, the technical problem of the swivel construction process is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a system of turning based on intelligence is rectified spike, including lower cushion cap, power supply box and master console, the center fixed mounting at lower cushion cap top has the support of turning to the cushion cap, the fixed support of turning is provided with in top of support of turning to the cushion cap, the top contact connection of support of turning has the top bearing cap, the top fixedly connected with pier of going up the cushion cap, the top fixedly provided with the slide of turning that is located the support cushion cap outside on the lower cushion cap, the top fixedly provided with a plurality of sand boxes of two-by-two sand boxes of slide, be equipped with the intelligent rectification spike that is located between two adjacent sand boxes on the slide of turning, the whole material of intelligent rectification spike is steel, and the major role of intelligent rectification is that the mode of adopting the welding is connected in the connection, and is the adjustment bridge is turned the gesture, simultaneously, is compared with the sliding friction of traditional spike, and the rolling friction resistance is littleer, the construction security is higher, the power supply box is connected with the master console through the power cord, the support of turning includes the spike base, two scissors fork support and upper slide protection frame, and upper slide protection frame are to the upper protection effect, and are the electric generator, and the electric generator is provided for the fixed mounting for the fixed carrier, the electric generator is installed to the fixed carrier, and is the electric power generator is provided for the fixed carrier, and is installed to the electric generator, and is located one side of the fixed transmission device is installed for the electric generator in the fixed carrier, and is safe and is protected and is installed to the electric generator in the transmission device, the main control console is in signal connection with the wireless receiving module, the wireless receiving module is electrically connected with the generator, the device with high cost in the intelligent correction supporting leg can be recycled and reused, and the device comprises the generator, the transmission rotor, the oil tank, the oil pump and the hydraulic rod, so that the construction cost of a swivel is reduced.
Preferably, two glide tracks are arranged in the middle of the base of the supporting foot, one end of each glide track is provided with a sliding wheel, the two sliding wheels are respectively connected with one supporting rod at the bottom of each of the two scissor brackets in a rotating way, the other end of each glide track is respectively connected with the other supporting rod at the bottom of each of the two scissor brackets in a sliding way, two protective cover plates are connected between the two scissor brackets, the protective cover plates can also protect the scissor brackets and can connect the scissor brackets at two sides into a whole, meanwhile, support is provided for pushing of a hydraulic rod, two hydraulic rods are arranged between the two protective cover plates, one supporting rod at the top of each scissor bracket is respectively connected with one end of each upper slideway in a rotating way, the other supporting rod at the top of each scissor bracket is respectively connected with the other ends of the two upper slideways in a sliding way, the two upper slide ways are respectively arranged at two sides in the upper slide way protection frame, the top of the upper slide way protection frame is fixedly connected with an upper cover plate, the top of the upper cover plate is fixedly connected with a plurality of shear nails which are uniformly distributed and are arranged in an upper bearing platform, in order to increase the stability of the intelligent deviation rectifying support feet, the upper bearing platform, the bridge pier and a swivel beam body, a certain number of shear nails are welded on the upper cover plate of the support feet, the overall stability of the bridge upper structure is improved by the shear nails, one corner of the bottom of the upper cover plate is fixedly provided with a laser range finder, the wireless receiving module is electrically connected with the laser range finder, the laser range finder monitors the vertical displacement of the swivel main beam in real time, the monitored beam body displacement data are transmitted to a master control platform through a wireless control module, if the absolute value of the displacement reading monitored by the laser range finder is within the range of an allowable error value, the intelligent deviation rectifying support feet do not need to adjust the posture of the swivel, otherwise, if the laser range finder monitors that the absolute value of the displacement reading is out of the range of the allowable error value, the main control console transmits a deviation correcting signal to the intelligent deviation correcting supporting feet of the beam body in the deflection direction, the intelligent deviation correcting supporting feet are controlled to start to work, the deflection beam body is jacked, and at the moment, the rest intelligent deviation correcting supporting feet are in a stop deviation correcting state until the laser range finder monitors that the vertical displacement of the beam body returns to the range of the allowable error.
Preferably, two both ends at the top of the glide slope are fixedly provided with limit posts, four limit posts are correspondingly arranged with the upper cover plate, the limit posts are welded on the upper part of the base of the supporting foot, a certain limiting effect is achieved on the descending of the scissor bracket, and the oil pump, the oil tank and the power system of the intelligent correction supporting foot are protected.
Preferably, the joints of the two scissor supports are movable through a first hinge shaft, and the joints of the two hydraulic rods and the two protection cover plates are movable through a second hinge shaft.
Preferably, the center of spike base bottom is fixed and is provided with the base apron, and the base apron has increased power device's horizontal connection, simultaneously, has provided one for oil pipe, hydraulic stem, oil tank and oil pump and has placed and protection platform, the top fixed mounting of base apron has hydraulic pump and oil tank that is located between two glidepath, the oil tank is as oil storage equipment for hydraulic pump oil feed, hydraulic pump's oil-out fixed intercommunication has two oil pipes, hydraulic pump is two hydraulic stem oil feed respectively through two oil pipes, the generator passes through circuit pipeline and hydraulic pump oil feed electric connection, lays the circuit in the circuit pipeline, carries the electric energy that the generator produced to elevating gear, provides energy for elevating gear, and hydraulic pump drives the hydraulic stem extension from the oil tank, and further, the hydraulic stem promotes the movable pulley and follows lateral movement at last glide slope, causes the fork support to cooperate first articulated shaft and second articulated shaft joint action, realizes the jacking of intelligent rectifying spike.
Preferably, stiffening ribs are fixedly arranged at the joints of the two scissor supports and the two protective cover plates, and welded at the joints of the scissor supports and the protective cover plates, so that the purposes of improving the local stability and the torsion resistance of the intelligent correction support feet are achieved.
Preferably, the both sides of spike base bottom rotate and are connected with the wheel support column, two the both ends of wheel support column all have the wheel that contacts with the slide of turning through wheel fixing bolt fixed mounting, equal fixed mounting has drive gear on drive rotor's the output and one of them wheel support column, the transmission is connected with drive chain between the drive gear, and the spike base is power device's bearing structure, cooperation wheel support column, wheel fixing bolt, base apron have constituted intelligent correction spike advancing device's foundation structure, the inside and the inside welded fixed connection of lower gear of wheel support column, the lateral movement of wheel fixing bolt fixed wheel, but do not influence the longitudinal advance of wheel, through drive rotor, drive chain, drive gear's synergism with electric conversion for power device kinetic energy that advances.
A construction method of a swivel system based on intelligent deviation rectifying support feet comprises the following steps:
s1, installing a swivel support: before the swivel support is installed, qualified acceptance of the swivel support is ensured, each index of the support meets construction requirements, the swivel support is slowly hoisted to a designed position through a manually matched crane, all support anchors are accurately combined with the reserved holes, high-strength non-shrinkage grouting material is poured from reserved joints of the swivel support and swivel support filler, vibration is compact, and then a grouting method is adopted to pour gaps between the swivel support filler and the swivel support, so that the swivel support and a lower bearing platform are tightly combined into a whole;
s2, installing a swivel slideway: installing a swivel slide skeleton when the first layer of concrete of the lower bearing platform is poured, reserving a certain number of positioning angle steel, hoisting the swivel slide, centering and leveling the swivel slide through nuts, locking bolts after the height error of the top surface of the swivel slide is not more than 0.5mm, and pouring the second layer of concrete of the lower bearing platform;
s3, installing intelligent correction supporting feet: the intelligent correction support feet and the sand boxes are symmetrically arranged at the design positions according to the design drawing, and the transmission gears of the power devices of the intelligent correction support feet can play a role in braking the support feet, so that the stability of the support feet before swivel construction is ensured;
s4, construction of an upper bearing platform and a bridge upper structure: referring to a construction drawing, supporting an outer formwork, binding steel bars, pouring concrete of an upper bearing platform, and then constructing a pier and a bridge upper structure;
s5, preparation before swivel construction: the intelligent deviation rectifying supporting feet are internally provided with the jacking system, so that a weighing test of the swivel structure can be directly completed, if unbalanced moment is smaller, the girder ends do not need to be balanced, and the intelligent deviation rectifying supporting feet can be directly used as swivel auxiliary tools to complete swivel construction; if the unbalanced moment is too large, a certain number of balancing weights are required to be placed at the beam end so as to improve the stability and safety of the bridge swivel;
s6, bridge swivel construction: the telescopic length of the scissor bracket is adjusted to ensure that the wheels are contacted with the swivel slide way, the swivel support and the intelligent deviation correcting support leg are guaranteed to bear force together, the intelligent deviation correcting support leg power device provides beam body rotating force, after the test swivel is completed, formal rotation is started, an engine, a main control desk and the like are started to form a closed signal, the laser range finder monitors the vertical displacement of the beam body in real time, the intelligent deviation correcting support leg is properly inserted into the swivel work, smooth finish of bridge swivel construction is guaranteed, the beam body rotation is guaranteed to be slow and stable in the swivel process, and under-rotation or over-rotation is avoided by observing the rotation angle scale marked by the turntable and the axis of the beam body;
s7, bridge closure and sealing rotary table: after the beam body rotates to a designed bridge position, the beam body is adjusted to a design state through intelligent correction supporting feet, closure section construction is carried out, and finally, a template is supported, so that grouting sealing of the swivel support is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the assembly degree is high: after the components can be manufactured by factories, the components can be transported to a construction site for installation, and the intelligent correction support leg has high detachable degree and high cost, and the device can be detached for secondary use, thereby saving the construction cost of the swivel;
2. optimizing a swivel construction process: in the traditional swivel construction process, before formal swivel construction, jacks are required to be respectively arranged in the forward bridge direction and the transverse bridge direction for weighing, and a hydraulic system of a jacking device in the intelligent deviation correcting support leg can weigh the swivel bridge; the power device in the intelligent deviation rectifying support leg can provide power for the rotation of the beam body, and replaces the rotation of the beam body turntable of the continuous tensioning jack; after the rotation is completed, the intelligent deviation rectifying supporting feet can directly adjust the beam body line shape to meet the closure requirement, so that the work of adjusting the bridge line shape by the secondary counterweight is avoided;
3. the safety reserve is greatly improved: in the swivel construction process, when the beam body is overturned due to external accidental load and creep of a sliding medium, the intelligent deviation correcting support feet can adjust the posture of the bridge swivel, so that the smooth completion of the bridge swivel is ensured; the intelligent deviation correcting support leg and the swivel slideway are roller friction, so that compared with the sliding friction of the traditional support leg, the intelligent deviation correcting support leg and the swivel slideway are smaller in friction and higher in safety performance;
4. the intelligent degree is high: the laser range finder monitors the vertical displacement of the girder body in real time, feeds back the displacement data to the main control desk through the wireless receiving module, and after the main control desk analyzes the displacement data, the main control desk transmits a signal to the intelligent correction support feet to finish the correction of the girder body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an intelligent deviation correcting support foot according to the invention;
FIG. 2 is a schematic view of a sliding chute according to the present invention;
FIG. 3 is a schematic diagram of a power plant of the present invention;
FIG. 4 is a schematic diagram of the swivel construction work of the present invention;
FIG. 5 is a cross-sectional view of the swivel system of the invention;
fig. 6 is a schematic diagram of the operation of a plurality of intelligent correction support feet according to the present invention.
In the figure: 1. shear nails; 2. an upper cover plate; 3. a laser range finder; 4. an upper slideway protecting frame; 5. a drive chain; 6. a transmission rotor; 7. a generator; 8. a protective cage; 9. a first hinge shaft; 10. a scissors support; 11. a limit column; 12. a support foot base; 13. a transmission gear; 14. a wheel support column; 15. a wheel fixing bolt; 16. a wheel; 17. a hydraulic oil pump; 18. an oil pipe; 19. a hydraulic rod; 20. an oil tank; 21. a protective cover plate; 22. a glidepath; 23. a line pipe; 24. a second hinge shaft; 25. a sliding wheel; 26. a slide way is arranged; 27. stiffening ribs; 28. a base cover plate; 29. intelligent deviation rectifying supporting feet; 30. a lower bearing platform; 31. an upper bearing platform; 32. bridge piers; 33. a swivel beam body; 34. a power supply box; 35. a power line; 36. a main control station; 37. a swivel support; 38. a sand box; 39. a swivel slide; 40. a wireless receiving module; 41. the swivel support is made of a filler stone.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the invention provides a swivel system based on intelligent correction support feet, which comprises a lower bearing platform 30, a power box 34 and a main control platform 36, wherein a swivel support cushion 41 is fixedly arranged in the center of the top of the lower bearing platform 30, a swivel support 37 is fixedly arranged at the top of the swivel support cushion 41, an upper bearing platform 31 is connected with the top of the swivel support 37 in a contact manner, a pier 32 is fixedly connected with the top of the pier 32, a swivel girder body 33 is fixedly arranged at the top of the lower bearing platform 30, swivel slide ways 39 positioned at the outer side of the swivel support cushion 41 are fixedly arranged on the lower bearing platform 30, a plurality of sand boxes 38 in pairs are fixedly arranged at the top of the swivel slide ways 39, intelligent correction support feet 29 positioned between two adjacent sand boxes 38 are arranged on the swivel slide ways 39, the power box 34 is connected with the main control platform 36 through a power wire 35, the intelligent correction support feet 29 comprise a support foot base 12, two scissor support frames 10 and an upper slide way protection frame 4, a protection cage 8 is fixedly arranged on one side of the support foot base 12, a transmission rotor 6 positioned in the protection cage 8 is fixedly arranged on the support foot base 12, a power generator 6 is fixedly arranged on one side of the transmission rotor 6, a power generator 6 is fixedly arranged on one side of the transmission rotor 6, a power generator 6 is far away from a wireless receiving module 40 and is electrically connected with a wireless receiving module 40, and is electrically connected with a wireless receiving module 40.
The middle part on the supporting legs base 12 is provided with two glide tracks 22, one end of each glide track 22 is provided with a sliding wheel 25, the two sliding wheels 25 are respectively connected with one supporting rod at the bottom of each of the two scissor supports 10 in a rotating way, the other end of each of the two glide tracks 22 is respectively connected with the other supporting rod at the bottom of each of the two scissor supports 10 in a sliding way, two protection cover plates 21 are connected between the two scissor supports 10, two hydraulic rods 19 are arranged between the two protection cover plates 21, one supporting rod at the top of each of the two scissor supports 10 is respectively connected with one end of each of the two upper sliding tracks 26 in a rotating way, the other supporting rod at the top of each of the two scissor supports 10 is respectively connected with the other end of each of the two upper sliding tracks 26 in a sliding way, the two upper sliding ways 26 are respectively arranged at two sides in the upper sliding way protection frame 4, the top of each upper sliding way protection frame 4 is fixedly connected with an upper cover plate 2, a plurality of evenly distributed shear nails 1 arranged in an upper bearing platform 31 are fixedly connected at the top of each upper cover plate 2, a corner of each upper cover plate 2 is fixedly provided with a laser range finder 3, and a wireless receiving module 40 is electrically connected with the laser range finder 3.
Two ends at the top of the two glide tracks 22 are fixedly provided with limiting columns 11, and four limiting columns 11 are correspondingly arranged with the upper cover plate 2.
The joints of the two scissor brackets 10 are moved by the first hinge shaft 9, and the joints of the two hydraulic rods 19 and the two protective cover plates 21 are moved by the second hinge shaft 4.
The center of the bottom of the supporting foot base 12 is fixedly provided with a base cover plate 28, the top of the base cover plate 28 is fixedly provided with a hydraulic oil pump 17 and an oil tank 20 which are positioned between two glide tracks 22, the oil tank 20 is used as oil storage equipment for supplying oil to the hydraulic oil pump 17, the oil outlet of the hydraulic oil pump 17 is fixedly communicated with two oil pipes 18, the hydraulic oil pump 17 supplies oil to two hydraulic rods 19 respectively through the two oil pipes 18, and the generator 7 is electrically connected with the oil supply of the hydraulic oil pump 17 through a circuit pipeline 23.
Stiffening ribs 27 are fixedly arranged at the joint of the two scissor supports 10 and the two protective cover plates 21, and the stiffening ribs 27 are welded at the joint of the scissor supports 10 and the protective cover plates 21, so that the purposes of improving the local stability and the torsion resistance of the intelligent deviation correcting supporting feet 29 are achieved.
The both sides rotation of spike base 12 bottom are connected with wheel support column 14, and the both ends of two wheel support columns 14 are all through wheel fixing bolt 15 fixed mounting and are turned wheel 16 of slide 39 contact, and the output of transmission rotor 6 and on one of them wheel support column 14 are all fixed mounting have drive gear 13, and the transmission is connected with drive chain 5 between the drive gear 13.
A construction method of a swivel system based on intelligent deviation rectifying support feet comprises the following steps:
s1, mounting a swivel support 37: before the swivel support 37 is installed, qualified acceptance is carried out on the swivel support 37, each index of the support is guaranteed to meet construction requirements, the swivel support 37 is slowly hoisted to a designed position through an artificial cooperation crane, all support anchors are accurately combined with reserved holes, high-strength shrinkage-free grouting material is poured from reserved joints of the swivel support 37 and a swivel support pad 41, vibration is compact, and then a grouting method is adopted to pour the gaps between the swivel support pad 41 and the swivel support 37, so that the swivel support 37 and the lower bearing platform 30 are tightly combined into a whole;
s2, installing a swivel slideway 39: installing a framework of a swivel slide way 39 when the first layer of concrete of the lower bearing platform 30 is poured, reserving a certain number of positioning angle steel, hoisting the swivel slide way 39, centering and leveling the swivel slide way 39 through nuts, locking bolts after the height error of the top surface of the swivel slide way 39 is not more than 0.5mm, and pouring the second layer of concrete of the lower bearing platform 30;
s3, installing intelligent deviation rectifying supporting feet 29: the intelligent correction support leg 29 and the sand box 38 are symmetrically arranged at the design position according to the design drawing, and the transmission gear 13 of the power device of the intelligent correction support leg 29 can play a role in braking the support leg, so that the stability of the support leg before swivel construction is ensured;
s4, construction of an upper bearing platform 31 and a bridge upper structure: referring to a construction drawing, erecting an outer formwork, binding steel bars, pouring concrete of an upper bearing platform 31, and then constructing a pier 32 and a bridge upper structure;
s5, preparation before swivel construction: the intelligent deviation rectifying supporting feet 29 are internally provided with the jacking system, so that a weighing test of a turning structure can be directly completed, if unbalanced moment is smaller, the girder ends do not need to be weighted, and the intelligent deviation rectifying supporting feet 29 can be directly used as turning auxiliary tools to complete turning construction; if the unbalanced moment is too large, a certain number of balancing weights are required to be placed at the beam end so as to improve the stability and safety of the bridge swivel;
s6, bridge swivel construction: the telescopic length of the scissor bracket 10 is adjusted to ensure that the wheels 16 are contacted with the swivel slide way 39, the swivel support 37 and the intelligent deviation correcting support leg 29 are guaranteed to bear force together, the power device of the intelligent deviation correcting support leg 29 provides beam body rotating force, after the trial swivel is completed, the main rotation is started, an engine, a main control desk 36 and the like are started to form a closed signal, the laser range finder 3 monitors the vertical displacement of the beam body in real time, the intelligent deviation correcting support leg 29 is properly inserted into the swivel work, smooth completion of bridge swivel construction is guaranteed, the beam body rotation is guaranteed to be slow and stable in the swivel process, and the underrotation or overrun is avoided by observing the rotating angle scale marked by the turntable and the axis of the beam body;
s7, bridge closure and sealing rotary table: after the beam body rotates to the designed bridge position, the beam body is adjusted to be in a designed state through the intelligent correction supporting feet 29, closure section construction is carried out, and finally, the template is supported, so that grouting and sealing of the swivel support 37 are completed.
When the embodiment of the application is used, the following steps are adopted: the power supply line 35 connects the power supply box 34 with the main control desk 36 as a whole, the power supply box 34 supplies power to the main control desk 36 through the power supply line 35, the main control desk 36 is ensured to work normally, the generator 7 works, the whole body of the intelligent deviation rectifying support leg 29 is supplied with electric energy, the worker controls through the main control desk 36, before the bridge formally rotates, the reading of the laser range finder 3 is reset to zero, when the reading of the laser range finder 3 is negative, the intelligent deviation rectifying support leg is indicated to be close to the rotating slide way 39, otherwise, the intelligent deviation rectifying support leg 29 is far away from the rotating slide way 39, the intelligent deviation rectifying support leg 29 is close to the slide way, during the bridge rotating construction process, the laser range finder 3 monitors the vertical displacement of the rotating main girder in real time, and the monitored displacement data of the girder body are transmitted to the main control desk 36 through the wireless control module, if the laser range finder 3 monitors that the absolute value of the displacement reading is within the allowable error value range, the intelligent deviation rectifying supporting foot 29 does not need to adjust the bridge swivel gesture, otherwise, if the laser range finder 3 monitors that the absolute value of the displacement reading is outside the allowable error value range, the main control console 36 transmits a deviation rectifying signal to the intelligent deviation rectifying supporting foot 29 in the beam deflection direction, the intelligent deviation rectifying supporting foot 29 is controlled to start working to jack the deflected beam, at this time, the rest of the intelligent deviation rectifying supporting feet 29 are in a stop deviation rectifying state until the laser range finder 3 monitors that the vertical displacement of the beam returns to the allowable error range, and the specific working process of the intelligent deviation rectifying supporting foot 29 is as follows: the master control platform 36 transmits deviation rectifying signals to the intelligent deviation rectifying supporting feet 29, the intelligent deviation rectifying supporting feet 29 receive the deviation rectifying signals through the wireless receiving module 40, the intelligent deviation rectifying supporting feet 29 are controlled to start to work, the generator 7 works, electric energy is integrally provided for the intelligent deviation rectifying supporting feet 29, the hydraulic oil pump 17 pumps oil from the oil tank 20, the hydraulic rod 19 is driven to stretch, further, the hydraulic rod 19 pushes the sliding wheel 25 to move transversely on the upper sliding rail 26 and the lower sliding rail 22, the scissor support 10 is caused to cooperate with the first hinging shaft 9 and the second hinging shaft 24, lifting of the intelligent deviation rectifying supporting feet 29 is achieved, lifting of a deflection beam body is achieved, the generator 7 converts electric energy into advancing kinetic energy through the cooperation of the driving rotor 6, the driving chain 5 and the driving gear 13, and the driving wheel 16 is driven to rotate, so that the intelligent deviation rectifying supporting feet 29 are driven to advance, and the deflection beam body is rotated.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a system of turning based on intelligence spike of rectifying, includes cushion cap (30), power supply box (34) and master control platform (36), its characterized in that: the center of lower cushion cap (30) top is fixedly provided with swivel support cushion stones (41), the top of swivel support cushion stones (41) is fixedly provided with swivel supports (37), the top of swivel supports (37) is connected with an upper cushion cap (31) in a contact manner, the top of upper cushion cap (31) is fixedly connected with a pier (32), the top of pier (32) is fixedly connected with a swivel beam body (33), the lower cushion cap (30) is fixedly provided with swivel slide ways (39) positioned outside swivel support cushion stones (41), the top of swivel slide ways (39) is fixedly provided with a plurality of sand boxes (38) in pairs, the intelligent correction support legs (29) positioned between two adjacent sand boxes (38) are arranged on the swivel slide ways (39), the power supply box (34) is connected with the main control desk (36) through a power line (35), the intelligent correction support legs (29) comprise support leg bases (12), two scissor supports (10) and an upper slide way protection frame (4), a protection cage (8) is fixedly arranged on one side of each support leg base (12), a transmission rotor (6) positioned in the protection cage (8) is fixedly arranged on each support leg base (12), a generator (7) for driving the corresponding transmission rotor (6) to work is fixedly arranged on one side of each transmission rotor (6), one end of the transmission rotor (6) far away from the upper chain wheel is fixedly provided with a wireless receiving module (40), the main control console (36) is in signal connection with the wireless receiving module (40), and the wireless receiving module (40) is electrically connected with the generator (7).
2. The swivel system based on intelligent deviation rectifying support feet according to claim 1, wherein: two glide tracks (22) are installed to mid-mounting on spike base (12), two glide tracks (22)'s one end all installs movable pulley (25), two movable pulley (25) respectively with two branch rotation connection of cutting fork support (10) bottom, two glide tracks (22) the other end respectively with two branch sliding connection of cutting fork support (10) bottom, two be connected with two protection apron (21) between cutting fork support (10), two install two hydraulic stem (19) between protection apron (21), two one branch at cutting fork support (10) top is connected with the one end rotation of two upper slide (26) respectively, two cut fork support (10) top another branch respectively with two other end sliding connection of upper slide (26), two upper slide (26) are installed respectively in upper slide protection frame (4) both sides, upper slide protection frame (4)'s top fixedly connected with upper cover plate (2), upper cover plate (2) are arranged in a plurality of distance measuring device and are installed in the fixed connection of laser range finder (3) top (3) and are connected with a plurality of laser range finder (3) and are arranged in the fixed die carrier (3).
3. The swivel system based on intelligent deviation rectifying support feet according to claim 2, wherein: two ends at the top of the two glide tracks (22) are fixedly provided with limiting columns (11), and four limiting columns (11) are arranged corresponding to the upper cover plate (2).
4. The swivel system based on intelligent deviation rectifying support feet according to claim 2, wherein: the joints of the two scissor supports (10) are movable through a first hinge shaft (9), and the joints of the two hydraulic rods (19) and the two protection cover plates (21) are movable through a second hinge shaft (24).
5. The swivel system based on intelligent deviation rectifying support feet according to claim 1, wherein: the center of spike base (12) bottom is fixed and is provided with base apron (28), the top fixed mounting of base apron (28) has hydraulic oil pump (17) and oil tank (20) that are located between two glide tracks (22), oil tank (20) are hydraulic oil pump (17) fuel feeding as oil storage equipment, the oil-out of hydraulic oil pump (17) is fixed to be linked together has two oil pipes (18), hydraulic oil pump (17) are two hydraulic rod (19) fuel feeding respectively through two oil pipes (18), generator (7) are through circuit pipeline (23) and hydraulic oil pump (17) fuel feeding electric connection.
6. The swivel system based on intelligent deviation rectifying support feet according to claim 2, wherein: stiffening ribs (27) are fixedly arranged at the connecting positions of the two scissor supports (10) and the two protective cover plates (21).
7. The swivel system based on intelligent deviation rectifying support feet according to claim 1, wherein: the two sides of the bottom of the supporting foot base (12) are rotationally connected with wheel supporting columns (14), two ends of each wheel supporting column (14) are fixedly provided with wheels (16) contacted with a swivel slideway (39) through wheel fixing bolts (15), the output end of the transmission rotor (6) and one wheel supporting column (14) are fixedly provided with transmission gears (13), and transmission chains (5) are connected between the transmission gears (13).
8. The construction method of the swivel system based on the intelligent deviation rectifying support foot according to any one of claims 1 to 7, comprising the following steps:
s1, installing a swivel support (37): before the swivel support (37) is installed, qualified acceptance of the swivel support (37) is carried out, each index of the support is guaranteed to meet construction requirements, the swivel support (37) is slowly hoisted to a designed position through an artificial cooperation crane, all support anchors are accurately combined with reserved holes, high-strength shrinkage-free grouting material is poured from reserved joints of the swivel support (37) and a swivel support filler (41), vibration is compacted, and then a grouting method is adopted to pour the gap between the swivel support filler (41) and the swivel support (37), so that the swivel support (37) and a lower bearing platform (30) are tightly combined into a whole;
s2, installing a swivel slideway (39): installing a framework of a swivel slide way (39) when the first layer of concrete of the lower bearing platform (30) is poured, reserving a certain number of positioning angle steel, hoisting the swivel slide way (39), centering and leveling the swivel slide way (39) through nuts, locking bolts after the height error of the top surface of the swivel slide way (39) is not more than 0.5mm, and pouring the second layer of concrete of the lower bearing platform (30);
s3, installing intelligent deviation rectifying supporting feet (29): the intelligent deviation correcting support feet (29) and the sand boxes (38) are symmetrically arranged at the design positions according to the design drawing, and the transmission gears (13) of the power devices of the intelligent deviation correcting support feet (29) can play a role in braking the support feet, so that the stability of the support feet before swivel construction is ensured;
s4, construction of an upper bearing platform (31) and a bridge superstructure: referring to a construction drawing, supporting an outer formwork, binding steel bars, pouring concrete of an upper bearing platform (31), and then constructing a pier (32) and a bridge upper structure;
s5, preparation before swivel construction: the intelligent deviation rectifying supporting feet (29) are internally provided with a jacking system, so that a weighing test of a swivel structure can be directly completed, if unbalanced moment is smaller, the girder ends do not need to be balanced, and the intelligent deviation rectifying supporting feet (29) can be directly used as an auxiliary swivel tool to complete swivel construction; if the unbalanced moment is too large, a certain number of balancing weights are required to be placed at the beam end so as to improve the stability and safety of the bridge swivel;
s6, bridge swivel construction: the telescopic length of the scissor bracket (10) is adjusted to ensure that the wheels (16) are contacted with the swivel slide way (39), the swivel support (37) and the intelligent deviation rectifying support legs (29) are guaranteed to bear force together, the power device of the intelligent deviation rectifying support legs (29) provides beam rotating force, after the test swivel is completed, the main swivel is started, an engine, a main control desk (36) and the like are started to form a closed signal, the laser range finder (3) monitors the vertical displacement of the beam in real time, the intelligent deviation rectifying support legs (29) intervene the swivel work when appropriate, smooth finish of bridge swivel construction is ensured, the beam rotation is guaranteed to be slow and stable in the swivel process, and under-rotation or over-rotation is avoided by observing the rotating angle scales of the turntable marks and the axis of the beam;
s7, bridge closure and sealing rotary table: after the beam body rotates to a designed bridge position, the beam body is adjusted to a design state through intelligent correction support feet (29), closure section construction is carried out, and finally, a template is supported, so that grouting sealing of a swivel support (37) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310489854.XA CN116497721A (en) | 2023-05-04 | 2023-05-04 | Swivel system based on intelligent deviation correcting support legs and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310489854.XA CN116497721A (en) | 2023-05-04 | 2023-05-04 | Swivel system based on intelligent deviation correcting support legs and construction method |
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| CN116497721A true CN116497721A (en) | 2023-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117845784A (en) * | 2024-01-09 | 2024-04-09 | 达濠市政建设有限公司 | Elastic limiting device for bridge deviation correction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117845784A (en) * | 2024-01-09 | 2024-04-09 | 达濠市政建设有限公司 | Elastic limiting device for bridge deviation correction |
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