CN117488700B - Steel box girder assembly jig frame structure - Google Patents
Steel box girder assembly jig frame structure Download PDFInfo
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- CN117488700B CN117488700B CN202311836248.7A CN202311836248A CN117488700B CN 117488700 B CN117488700 B CN 117488700B CN 202311836248 A CN202311836248 A CN 202311836248A CN 117488700 B CN117488700 B CN 117488700B
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- steel box
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel box girder assembly jig frame structure, which relates to the field of steel box girders and comprises a plurality of longitudinal girders, wherein a cross girder is arranged between two adjacent longitudinal girders, the top side of each longitudinal girder is provided with an adjusting seat, and a supporting girder is arranged between two adjacent adjusting seats. In the embodiment of the invention, the angle between two adjacent adjusting seats is adjusted through reasonable configuration of the adjusting mechanism, the supporting mechanism and the buffer mechanism, so that the bending beam can be spliced, the bending beam can be applied in a large scale, and the production cost of enterprises is effectively reduced; the dual support through cylinder and supporting beam provides horizontal buffer force for the longeron, through the setting of four buffer spring and buffer air bag, offsets the vibrations that the longeron received to a plurality of buffer air bags can concentrate and control, and when the displacement of longitudinal position takes place for the longeron, through the air entrainment in to the buffer air bag, promotes the longeron, both can be convenient for adjust the height of longeron, guarantees the stability of bed-jig when supporting simultaneously.
Description
Technical Field
The invention relates to the technical field of steel box girders, in particular to a steel box girder total splicing jig frame structure.
Background
The jig frame is a mould, and mainly plays a role in bearing and stress, is special technological equipment for facilitating the assembly and welding of mechanical equipment, and is widely applied to formwork engineering, steel structure installation engineering and bridge engineering. Different from a common single-double-row scaffold, because the structural form and the weight of the support are very different, the design difference of the scaffold is large, different processes of different equipment are different, the form of the scaffold is also different, particularly in the construction process of a bridge, the assembly of a steel box girder needs to be manufactured to effectively support the scaffold, and the assembly type steel box girder total assembly scaffold is designed according to the plate unit block and the large-section manufacturing requirements, so that the requirements of total assembly of 5 standard sections and whole section tire removal transportation are met.
When the jig frame is manufactured, the bottom plate of the steel box girder is arranged in an arc shape due to the requirement of bridge design, the arc-shaped supporting beam is required to be processed to be used as the supporting beam at the topmost side in the manufacturing process of the jig frame, but the steel box girder is supported by the fact that the bridge is different in size and large in size, when the arc-shaped supporting beam is processed, the huge steel girder is bent, meanwhile, the radian of the bent supporting beam is ensured to be accurate, huge manpower and material resources are required to be consumed, meanwhile, once the processing precision meets the requirement, the whole jig frame is scrapped, the production cost of enterprises is high, the processing difficulty is high, and due to the change of environment or various operations in construction, transverse or longitudinal displacement is very easy to occur between the longitudinal beams of the jig frame, the displacement cannot be adjusted, and even the whole jig frame is damaged seriously, the steel box girder is damaged, and even serious production accidents are caused.
Disclosure of Invention
The invention aims to provide a steel box girder total splicing jig frame structure so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the steel box girder total splicing jig frame structure comprises a plurality of longitudinal girders, wherein a cross girder is arranged between two adjacent longitudinal girders, an adjusting seat is arranged on the top side of each longitudinal girder, a supporting girder is arranged between two adjacent adjusting seats, and an intermediate plate is arranged between the supporting girder and the adjusting seats through bolts;
an adjusting mechanism is arranged on the top side of the longitudinal beam, the adjusting seat is arranged on the adjusting mechanism, and the adjusting mechanism is used for adjusting the angle of the adjusting seat; the adjusting mechanism comprises a supporting plate, the supporting plate is arranged on the longitudinal beam, an adjusting hole is formed in the supporting plate, a rotating seat is rotatably arranged in the adjusting hole, the rotating seat is arranged on the adjusting seat, and the adjusting seat is rotatably adjusted in the adjusting hole through the rotating seat;
the support mechanism is arranged on the longitudinal beam and is used for supporting the adjusting seat and the support beam; the supporting mechanism comprises a stiffening beam, the bottom side of the stiffening beam is connected to the longitudinal beam, and the adjusting seat and the supporting beam are connected to the top side of the stiffening beam;
the damping mechanism is arranged on the bottom side of the longitudinal beam, and is used for adjusting the height of the longitudinal beam and damping the pressure born by the longitudinal beam; the buffer mechanism comprises a base and a mounting plate, wherein the mounting plate is mounted on the bottom side of the longitudinal beam, and a buffer air bag is mounted between the base and the mounting plate;
the connecting mechanism is used for connecting the buffer mechanism to the longitudinal beam, and the connecting mechanism is installed between the longitudinal beam and the mounting plate.
Further, in the preferred embodiment of the present invention, the adjusting mechanism further includes a positioning seat, one side of the positioning seat is provided with a plurality of locking grooves in a circular shape at equal intervals along the circumferential direction, locking blocks are movably installed in the plurality of locking grooves, and the plurality of locking blocks are installed on the supporting plate;
the positioning seat is provided with a stretching groove, a rectangular block is movably installed in the stretching groove, and the rectangular block is installed on the rotating seat.
Further, in a preferred embodiment of the present invention, a return spring is mounted on the inner wall of the tension groove, and the other end of the return spring is mounted on the rectangular block.
Further, in the preferred embodiment of the present invention, a plurality of telescopic slots are formed on the outer surface of the rotating seat in an annular equidistant manner along the circumferential direction, a plurality of clamping rods are movably mounted in the telescopic slots, a plurality of clamping slots are formed on the inner wall of the adjusting hole in an annular equidistant manner, and the plurality of clamping rods are respectively clamped in the plurality of clamping slots;
and the inner wall of the telescopic groove is provided with a supporting spring, and the other end of the supporting spring is arranged on the clamping rod.
Further, in a preferred embodiment of the present invention, the supporting mechanism further includes a cylinder, the cylinder is located in the reinforcement beam, a push rod is installed on an output shaft of the cylinder, and the cylinder and the push rod are respectively connected to a top side and a bottom side of the reinforcement beam.
Further, in the preferred embodiment of the present invention, two sides of the cylinder, which are far away from the ejector rod, are respectively connected with a transfer rod, and two ends of the transfer rods, which are far away from each other, are respectively mounted on the top side and the bottom side of the reinforcement beam;
the top side and the bottom side of the stiffening beam are provided with spherical grooves, spherical blocks are movably installed in the two spherical grooves, and the two spherical blocks are respectively installed on the two conversion rods.
Further, in the preferred embodiment of the present invention, the buffer mechanism further includes a plurality of sliding bars, sliding holes are formed at four corners of the mounting plate, the plurality of sliding bars are movably mounted in the plurality of sliding holes, and the base is mounted at bottom ends of the plurality of sliding bars;
the sliding rod is sleeved with a buffer spring, the top end of the buffer spring is mounted on the bottom side of the mounting plate, and the bottom end of the buffer spring is mounted on the top side of the base.
Further, in a preferred embodiment of the present invention, the connecting mechanism includes two connecting rods, both of which are mounted on the base, two through holes are formed in the bottom side of the longitudinal beam, and the two connecting rods respectively pass through the two through holes;
and the connecting rod is provided with a plug hole, a plug rod is inserted into the plug hole, and the plug rod is contacted with the bottom side of the longitudinal beam.
Further, in the preferred embodiment of the present invention, both sides of the connecting rod are provided with receiving grooves, both receiving grooves are movably provided with expanding rods, and both expanding rods are contacted with the bottom side of the longitudinal beam;
the supporting rod is provided with a mounting hole, a mounting shaft is movably mounted in the mounting hole, and two ends of the mounting shaft are respectively mounted on two side inner walls of the storage groove.
Further, in the preferred embodiment of the present invention, a torsion spring groove is formed on the inner wall of the mounting hole in an annular manner, a torsion spring is arranged in the torsion spring groove, and the torsion spring is sleeved on the mounting shaft;
one end of the torsion spring is installed on the installation shaft, and the other end of the torsion spring is installed on the inner wall of the torsion spring groove.
The steel box girder total splicing jig frame structure has the beneficial effects that:
according to the invention, by arranging the adjusting mechanism, when the jig frame is spliced on the arc-shaped part of the steel box girder, the adjusting seat rotates in the adjusting hole through the rotating seat, so that the position of the rotating seat is conveniently adjusted, when the arc shape of the supporting beam between two adjacent longitudinal girders changes, only the angle between the two adjacent adjusting seats is required to be adjusted, and further, a special bending beam is not required to be processed, thereby saving the working procedure, avoiding the waste of materials, simultaneously realizing large-scale application, and effectively reducing the production cost of enterprises.
Further, in the invention, through the arrangement of the supporting mechanism, when the supporting beam or the adjusting seat is stressed, the supporting rod is driven to move through the reinforcing beam, the supporting rod moves in the spherical groove through the spherical block, the cylinder is stressed, the reinforcing beam effectively supports the supporting beam or the adjusting seat under the resilience force of the cylinder, and meanwhile, the transverse buffering force can be provided, so that the safe connection between the supporting beam and the adjusting seat is ensured.
Furthermore, in the invention, through the arrangement of the buffer mechanism, when the longitudinal beam is impacted, the base is driven to move, the base slides on the four sliding rods through the four sliding holes and drives the four buffer springs to bear force, the impact caused by the longitudinal beam is counteracted under the resilience force of the four buffer springs, so that the safe use of the longitudinal beam is ensured, meanwhile, the vibration can be counteracted further through the arrangement of the buffer air bags, the buffer air bags can be controlled in a concentrated manner, when the local longitudinal beam is subjected to larger pressure, and the longitudinal beam is displaced, the longitudinal beam is lifted by adding air into the buffer air bags, so that the height of the longitudinal beam can be conveniently adjusted, and the stability of the tire frame during supporting is ensured.
Drawings
Fig. 1 is a schematic perspective view of a steel box girder assembly jig frame structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the back structure of a steel box girder assembly jig frame structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an explosion structure of structural connection between a support plate and an adjusting seat of a steel box girder assembly jig frame structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial sectional structure of a steel box girder total splicing jig frame structure, in which an adjusting seat is connected with a supporting plate and other structures;
FIG. 5 is a schematic view of a portion A in FIG. 4 of a steel box girder assembly jig frame structure according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an internal structure of a reinforcing beam of a steel box girder total splicing jig structure according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of structural connection between a top rod and a transfer rod of a steel box girder assembly jig frame structure according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of structural connection between a base of a steel box girder total splicing jig frame structure and a mounting plate and the like, provided by an embodiment of the invention;
fig. 9 is a schematic cross-sectional structural view of structural connection between a connecting rod and a longitudinal beam of a steel box girder total splicing jig frame structure according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a cross-sectional structure of structural connection of a connecting rod and a spreader rod of a steel box girder assembly jig frame structure according to an embodiment of the present invention.
In the figure: 1-a longitudinal beam; 2-a cross beam; 3-supporting beams; 4-adjusting seats; 5-an adjusting mechanism; 501-supporting plates; 502-adjusting the aperture; 503-rotating a seat; 504-rectangular blocks; 505—positioning seats; 506-stretching groove; 507-a return spring; 508-telescoping slots; 509-clamping the connecting rod; 510-a clamping groove; 511-a support spring; 512-locking groove; 513-locking blocks; 6-a supporting mechanism; 601-reinforcing beams; 602-cylinder; 603-ejector pins; 604-a transfer bar; 605-a spherical groove; 606-spherical blocks; 7-a buffer mechanism; 701-a base; 702-a mounting plate; 703-slide holes; 704-a slide bar; 705-a buffer spring; 706-a buffer balloon; 8-a connection mechanism; 801-a tie rod; 802-perforating; 803-a receiving groove; 804-a spreader bar; 805-mounting holes; 806-mounting a shaft; 807-torsion spring grooves; 808-torsion spring; 809-plug holes; 810-inserting a rod; 9-intermediate plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In addition, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like are not intended to require that the component be absolutely vertical, but rather may be slightly inclined. As "vertical" merely means that its direction is more vertical than "horizontal" and does not mean that the structure must be perfectly vertical, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1-10 of the accompanying drawings in combination with the description, the general jig frame structure for steel box girders provided by the embodiment of the invention comprises a plurality of longitudinal girders 1, wherein a cross girder 2 is arranged between two adjacent longitudinal girders 1, an adjusting seat 4 is arranged at the top side of each longitudinal girder 1, a supporting girder 3 is arranged between two adjacent adjusting seats 4, and a middle plate 9 is arranged between the supporting girder 3 and the adjusting seat 4 through bolts; in addition, an adjusting mechanism 5 is arranged on the top side of the longitudinal beam 1, an adjusting seat 4 is arranged on the adjusting mechanism 5, and the adjusting mechanism 5 is used for adjusting the angle of the adjusting seat 4; the adjusting mechanism 5 comprises a supporting plate 501, the supporting plate 501 is arranged on the longitudinal beam 1, an adjusting hole 502 is formed in the supporting plate 501, a rotating seat 503 is rotatably arranged in the adjusting hole 502, the rotating seat 503 is arranged on the adjusting seat 4, and the adjusting seat 4 is rotatably adjusted in the adjusting hole 502 through the rotating seat 503.
Further, the embodiment of the invention provides a steel box girder assembly jig frame structure, which further comprises a supporting mechanism 6, wherein the supporting mechanism 6 is arranged on the longitudinal girder 1, and the supporting mechanism 6 is used for supporting the adjusting seat 4 and the supporting girder 3; the supporting mechanism 6 comprises a reinforcing beam 601, the bottom side of the reinforcing beam 601 is connected to the longitudinal beam 1, and the adjusting seat 4 and the supporting beam 3 are connected to the top side of the reinforcing beam 601; and further comprising a cushioning mechanism 7, the cushioning mechanism 7 being mounted on the bottom side of the side member 1, the cushioning mechanism 7 being for adjusting the height of the side member 1 and cushioning the pressure received by the side member 1; the buffer mechanism 7 comprises a base 701 and a mounting plate 702, the mounting plate 702 is mounted on the bottom side of the longitudinal beam 1, and a buffer air bag 706 is mounted between the base 701 and the mounting plate 702;
in addition, in the embodiment of the present invention, the connecting mechanism 8 is further included, the connecting mechanism 8 is used for connecting the buffer mechanism 7 to the longitudinal beam 1, and the connecting mechanism 8 is installed between the longitudinal beam 1 and the mounting plate 702. It should be noted that, in the embodiment of the present invention, by setting the adjusting mechanism 5, the adjusting seat 4 rotates in the adjusting hole 502 through the rotating seat 503, so that the position of the rotating seat 503 is conveniently adjusted, when the arc shape of the supporting beam 3 between two adjacent longitudinal beams 1 changes, only the angle between two adjacent adjusting seats 4 needs to be adjusted, and further, no special bending beam needs to be processed, so that the working procedure can be saved, and meanwhile, the waste of materials is avoided; through the arrangement of the supporting mechanism 6, when the supporting beam 3 or the adjusting seat 4 is pressed, the supporting rod 603 is driven to move by the reinforcing beam 601, the supporting rod 603 moves in the spherical groove 605 through the spherical block 606, and the air cylinder 602 is stressed, so that the reinforcing beam 601 effectively supports the supporting beam 3 or the adjusting seat 4 under the resilience force of the air cylinder 602, and can provide transverse buffering force, so that the safe connection between the supporting beam 3 and the adjusting seat 4 is ensured;
it should be further noted that, by setting the buffer mechanism 7, when the longitudinal beam 1 is impacted, the base 701 is driven to move, the base 701 slides on the four sliding rods 704 through the four sliding holes 703 and drives the four buffer springs 705 to bear force, so that under the resilience force of the four buffer springs 705, the impact caused by the longitudinal beam 1 is counteracted, and the safe use of the longitudinal beam 1 is further ensured, meanwhile, by setting the plurality of buffer air bags 706, the vibration can be counteracted further, and the plurality of buffer air bags 706 can be controlled in a centralized manner; when the local longitudinal beam 1 receives larger pressure and the longitudinal beam 1 is displaced in the longitudinal direction, the buffer air bag 706 is inflated to lift the longitudinal beam 1, so that the stability of the tire frame during supporting is ensured; in addition, through the setting of coupling mechanism 8, make the connection between longeron 1 and base 701 more high-efficient convenient.
Further, referring to fig. 3-5 of the present disclosure, in the general splicing jig structure for steel box girders provided by the embodiment of the present disclosure, the adjusting mechanism 5 further includes a positioning seat 505, one side of the positioning seat 505 is provided with a plurality of locking grooves 512 in a circular shape at equal intervals along the circumferential direction, locking blocks 513 are movably installed in the plurality of locking grooves 512, and the plurality of locking blocks 513 are all installed on the supporting plate 501; in addition, a stretching groove 506 is formed in the positioning seat 505, a rectangular block 504 is movably mounted in the stretching groove 506, and the rectangular block 504 is mounted on the rotating seat 503. It should be noted that, in the embodiment of the present invention, when the position of the seat 4 is adjusted, the positioning seat 505 is pulled, so that the positioning seat 505 drives the plurality of locking grooves 512 to disengage from the plurality of locking blocks 513, and further the rotating seat 503 is unlocked, the positioning seat 505 slides on the rectangular block 504 through the stretching groove 506 and drives the return spring 507 to bear force, after the support beam 3 is installed on the seat 4, the positioning seat 505 is released, and the positioning seat 505 is driven to return by the contraction force of the return spring 507, so that the positioning seat 505 is stably clamped on the support plate 501, and the position of the rotating seat 503 is completely and stably fixed.
More specifically, in the embodiment of the present invention, a return spring 507 is mounted on the inner wall of the tension groove 506, and the other end of the return spring 507 is mounted on the rectangular block 504. In the embodiment of the present invention, the positioning seat 505 is driven to return by the contraction force of the return spring 507, so that the positioning seat 505 is stably clamped on the supporting plate 501.
Referring to fig. 3-5 of the drawings, in further detail, in the embodiment of the present invention, a plurality of telescopic slots 508 are annularly and equidistantly formed on the outer surface of the rotating seat 503 along the circumferential direction, clamping rods 509 are movably mounted in the plurality of telescopic slots 508, a plurality of clamping slots 510 are annularly and equidistantly formed on the inner wall of the adjusting hole 502, and the plurality of clamping rods 509 are respectively clamped in the plurality of clamping slots 510;
further, a support spring 511 is attached to the inner wall of the expansion slot 508, and the other end of the support spring 511 is attached to the click lever 509. It should be noted that, in the embodiment of the present invention, when the angle of the adjusting seat 4 is adjusted, the adjusting seat 4 is rotated, the positioning seat 505 is driven to rotate, the positioning seat 505 rotates to drive the plurality of clamping rods 509 to move, so that the clamping rods 509 are extruded by the clamping grooves 510, and drive the clamping rods 509 to shrink into the telescopic grooves 508, and then drive the supporting springs 511 to shrink, when the rotating seat 503 rotates to a desired position, the clamping rods 509 are clamped in the clamping grooves 510 at the corresponding positions under the resilience force of the supporting springs 511, at this time, the position of the adjusting seat 4 is primarily fixed, then the supporting beam 3 is installed, and when the position of the adjusting seat 4 is not correct, the adjusting is facilitated in time.
Further, referring to fig. 6-7 of the specification, in the general jig frame structure for steel box girders provided by the embodiment of the invention, the supporting mechanism 6 further comprises an air cylinder 602, the air cylinder 602 is located in the reinforcing girder 601, a push rod 603 is mounted on an output shaft of the air cylinder 602, and the air cylinder 602 and the push rod 603 are respectively connected to the top side and the bottom side of the reinforcing girder 601. In the embodiment of the present invention, the stability of the connection between the support beam 3 and the adjustment seat 4 is effectively improved by the support of the reinforcement beam 601.
Referring to fig. 6-7 of the drawings, in further detail, in the embodiment of the present invention, two sides of the cylinder 602 and the ejector rod 603, which are far away from each other, are connected with the transfer rods 604, and one ends of the two transfer rods 604, which are far away from each other, are respectively installed on the top side and the bottom side of the reinforcement beam 601; ball grooves 605 are formed in the top side and the bottom side of the stiffening beam 601, ball blocks 606 are movably mounted in the two ball grooves 605, and the two ball blocks 606 are respectively mounted on the two adapter rods 604. It should be noted that, in the embodiment of the present invention, when the supporting beam 3 or the adjusting seat 4 is pressed, the supporting rod 603 is driven by the reinforcing beam 601 to move, the supporting rod 603 moves in the spherical groove 605 through the spherical block 606, and the cylinder 602 is stressed, and under the resilience force of the cylinder 602, the reinforcing beam 601 effectively supports the supporting beam 3 or the adjusting seat 4, and meanwhile, a transverse buffering force can be provided, so that the safe connection between the supporting beam 3 and the adjusting seat 4 is ensured.
Further, referring to fig. 8 of the present disclosure, in the general jig frame structure for steel box girders provided in the embodiment of the present disclosure, the buffer mechanism 7 further includes a plurality of slide bars 704, slide holes 703 are formed at four corners of the mounting plate 702, the plurality of slide bars 704 are movably mounted in the plurality of slide holes 703, and the base 701 is mounted at bottom ends of the plurality of slide bars 704; the slide bar 704 is sleeved with a buffer spring 705, the top end of the buffer spring 705 is mounted on the bottom side of the mounting plate 702, and the bottom end of the buffer spring 705 is mounted on the top side of the base 701. It should be noted that, in the embodiment of the present invention, when the longitudinal beam 1 is impacted, the base 701 is driven to move, the base 701 slides on the four sliding rods 704 through the four sliding holes 703, and drives the four buffer springs 705 to bear force, so that the impact caused by the longitudinal beam 1 is counteracted under the resilience force of the four buffer springs 705, and the safe use of the longitudinal beam 1 is further ensured.
Further, referring to fig. 9-10 of the specification, in the general splicing jig structure for steel box girders provided by the embodiment of the invention, the connecting mechanism 8 comprises two connecting rods 801, the two connecting rods 801 are mounted on the base 701, two through holes 802 are formed in the bottom side of the longitudinal girder 1, and the two connecting rods 801 respectively pass through the two through holes 802; the connecting rod 801 is provided with a plug hole 809, a plug rod 810 is inserted into the plug hole 809, and the plug rod 810 is contacted with the bottom side of the longitudinal beam 1. It should be noted that, in the embodiment of the present invention, when the longitudinal beam 1 is inserted into the connection rod 801, the spreading rod 804 is spread, the spreading rod 804 is clamped on the bottom side of the longitudinal beam 1, after the preliminary fixing of the longitudinal beam 1 is completed, the insertion rod 810 is inserted into the insertion hole 809, so that the longitudinal beam 1 can be conveniently installed on the base 701, and similarly, the base 701 can be conveniently separated from the longitudinal beam 1, so that the base 701 is convenient for recycling.
Further specifically, in the embodiment of the present invention, both sides of the connecting rod 801 are provided with the receiving grooves 803, and the two receiving grooves 803 are movably provided with the supporting rods 804, and the two supporting rods 804 are contacted with the bottom side of the longitudinal beam 1; the supporting rod 804 is provided with a mounting hole 805, a mounting shaft 806 is movably mounted in the mounting hole 805, and two ends of the mounting shaft 806 are respectively mounted on two side inner walls of the storage groove 803. In the embodiment of the present invention, when the longitudinal beam 1 is inserted into the connecting rod 801, the longitudinal beam 1 presses the two spreader bars 804 through the through holes 802, so that the spreader bars 804 rotate on the mounting shaft 806.
Referring to fig. 9-10 of the drawings, in further detail, in the embodiment of the present invention, a torsion spring groove 807 is formed on the inner wall of the mounting hole 805 in a ring shape, a torsion spring 808 is disposed in the torsion spring groove 807, and the torsion spring 808 is sleeved on the mounting shaft 806; one end of the torsion spring 808 is mounted on the mounting shaft 806, and the other end of the torsion spring 808 is mounted on the inner wall of the torsion spring groove 807. It should be noted that, in the embodiment of the present invention, when the longitudinal beam 1 is inserted into the two connecting rods 801 through the two through holes 802, the longitudinal beam 1 extrudes the two expanding rods 804 through the through holes 802, so that the expanding rods 804 rotate on the mounting shaft 806 and are accommodated in the accommodating groove 803, and meanwhile, the torsion springs 808 are driven to bear force, after the longitudinal beam 1 is completely mounted on the base 701, the expanding rods 804 are expanded under the resilience force of the torsion springs 808, and the expanding rods 804 are clamped on the bottom side of the longitudinal beam 1, so as to complete the preliminary fixing of the longitudinal beam 1.
In summary, the working principle of the steel box girder total splicing jig frame structure provided by the embodiment of the invention is as follows:
when the arc-shaped supporting beam 3 is assembled, the positioning seat 505 is pulled, the positioning seat 505 drives the locking grooves 512 to separate from the locking blocks 513, the rotating seat 503 is unlocked, the positioning seat 505 slides on the rectangular block 504 through the stretching groove 506 and drives the reset spring 507 to bear force, the adjusting seat 4 is rotated, the positioning seat 505 is driven to rotate, the positioning seat 505 drives the clamping rods 509 to move, the clamping rods 509 are extruded by the clamping grooves 510 and drive the clamping rods 509 to shrink into the telescopic grooves 508, then the supporting springs 511 are driven to shrink under force, when the rotating seat 503 rotates to a required position, the clamping rods 509 are clamped in the clamping grooves 510 at corresponding positions under the resilience force of the supporting springs 511, at the moment, the position of the adjusting seat 4 is primarily fixed, then the supporting beam 3 is installed, and the adjusting seat 4 is not timely adjusted; after the support beam 3 is installed on the adjusting seat 4 after being adjusted, the positioning seat 505 is loosened, and the positioning seat 505 is driven to reset by the contraction force of the reset spring 507, so that the positioning seat 505 is stably clamped on the support plate 501, and the position of the rotating seat 503 can be completely and stably fixed. It should be noted that, the stability of the connection between the supporting beam 3 and the adjusting seat 4 is effectively improved through the support of the reinforcing beam 601, when the supporting beam 3 or the adjusting seat 4 is pressed, the supporting rod 603 is driven to move by the reinforcing beam 601, the supporting rod 603 moves in the spherical groove 605 through the spherical block 606, and the cylinder 602 is stressed, so that the reinforcing beam 601 effectively supports the supporting beam 3 or the adjusting seat 4 under the resilience force of the cylinder 602, and can provide a transverse buffering force, thereby ensuring the safe connection between the supporting beam 3 and the adjusting seat 4;
further, when the longitudinal beam 1 is impacted, the base 701 is driven to move, the base 701 slides on the four sliding rods 704 through the four sliding holes 703 and drives the four buffer springs 705 to bear force, under the resilience force of the four buffer springs 705, the arrangement of a plurality of buffer air bags 706 is combined at the same time, the impact caused by the longitudinal beam 1 is counteracted, the safe use of the longitudinal beam 1 is further ensured, and the buffer air bags 706 are intensively controlled, when a certain longitudinal beam 1 is displaced in the vertical direction, the buffer air bags 706 are inflated, so that the longitudinal beam can be conveniently adjusted, and the support of the whole tire frame on the steel box girder is ensured;
further, when the longitudinal beam 1 is mounted on the base 701, the longitudinal beam 1 is inserted into the connecting rod 801, so that the expanding rod 804 is expanded, the expanding rod 804 is clamped on the bottom side of the longitudinal beam 1, and after the preliminary fixing of the longitudinal beam 1 is completed, the insertion rod 810 is inserted into the insertion hole 809, so that the longitudinal beam 1 can be mounted on the base 701 conveniently.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The steel box girder assembly jig frame structure is characterized by comprising a plurality of longitudinal girders, wherein a cross girder is arranged between two adjacent longitudinal girders, an adjusting seat is arranged on the top side of each longitudinal girder, a supporting girder is arranged between two adjacent adjusting seats, and an intermediate plate is arranged between the supporting girder and the adjusting seats through bolts;
an adjusting mechanism is arranged on the top side of the longitudinal beam, the adjusting seat is arranged on the adjusting mechanism, and the adjusting mechanism is used for adjusting the angle of the adjusting seat; the adjusting mechanism comprises a supporting plate, the supporting plate is arranged on the longitudinal beam, an adjusting hole is formed in the supporting plate, a rotating seat is rotatably arranged in the adjusting hole, the rotating seat is arranged on the adjusting seat, and the adjusting seat is rotatably adjusted in the adjusting hole through the rotating seat;
the support mechanism is arranged on the longitudinal beam and is used for supporting the adjusting seat and the support beam; the supporting mechanism comprises a stiffening beam, the bottom side of the stiffening beam is connected to the longitudinal beam, and the adjusting seat and the supporting beam are connected to the top side of the stiffening beam;
the damping mechanism is arranged on the bottom side of the longitudinal beam, and is used for adjusting the height of the longitudinal beam and damping the pressure born by the longitudinal beam; the buffer mechanism comprises a base and a mounting plate, wherein the mounting plate is mounted on the bottom side of the longitudinal beam, and a buffer air bag is mounted between the base and the mounting plate;
the connecting mechanism is used for connecting the buffer mechanism to the longitudinal beam, and the connecting mechanism is arranged between the longitudinal beam and the mounting plate;
the adjusting mechanism further comprises a positioning seat, a plurality of locking grooves are formed in one side of the positioning seat in an annular equidistant manner along the circumferential direction, locking blocks are movably installed in the locking grooves, and the locking blocks are installed on the supporting plate;
the positioning seat is provided with a stretching groove, a rectangular block is movably arranged in the stretching groove, and the rectangular block is arranged on the rotating seat;
the supporting mechanism further comprises an air cylinder, the air cylinder is located in the reinforcing beam, an ejector rod is mounted on an output shaft of the air cylinder, and the air cylinder and the ejector rod are respectively connected to the top side and the bottom side of the reinforcing beam.
2. The steel box girder assembly jig frame structure according to claim 1, wherein a return spring is mounted on the inner wall of the stretching groove, and the other end of the return spring is mounted on the rectangular block.
3. The steel box girder total splicing jig frame structure according to claim 2, wherein a plurality of telescopic grooves are formed in the outer surface of the rotating seat in an annular equidistant manner along the circumferential direction, clamping rods are movably mounted in the telescopic grooves, a plurality of clamping grooves are formed in the inner wall of the adjusting hole in an annular equidistant manner, and the clamping rods are respectively clamped in the clamping grooves;
and the inner wall of the telescopic groove is provided with a supporting spring, and the other end of the supporting spring is arranged on the clamping rod.
4. The steel box girder assembly jig frame structure according to claim 1, wherein one side, away from each other, of the cylinder and the ejector rod is connected with an adapter rod, and one ends, away from each other, of the two adapter rods are respectively arranged on the top side and the bottom side of the reinforcing girder;
the top side and the bottom side of the stiffening beam are provided with spherical grooves, spherical blocks are movably installed in the two spherical grooves, and the two spherical blocks are respectively installed on the two conversion rods.
5. The steel box girder assembly jig frame structure according to claim 1, wherein the buffer mechanism further comprises a plurality of sliding rods, sliding holes are formed in four corners of the mounting plate, the sliding rods are movably mounted in the sliding holes respectively, and the base is mounted on the bottom ends of the sliding rods;
the sliding rod is sleeved with a buffer spring, the top end of the buffer spring is mounted on the bottom side of the mounting plate, and the bottom end of the buffer spring is mounted on the top side of the base.
6. The steel box girder assembly jig frame structure according to claim 1, wherein the connecting mechanism comprises two connecting rods, the two connecting rods are mounted on the base, two through holes are formed in the bottom side of the longitudinal girder, and the two connecting rods respectively penetrate through the two through holes;
and the connecting rod is provided with a plug hole, a plug rod is inserted into the plug hole, and the plug rod is contacted with the bottom side of the longitudinal beam.
7. The steel box girder assembly jig frame structure according to claim 6, wherein storage grooves are formed in two sides of the connecting rod, a supporting rod is movably installed in each storage groove, and the supporting rods are contacted with the bottom side of the longitudinal girder;
the supporting rod is provided with a mounting hole, a mounting shaft is movably mounted in the mounting hole, and two ends of the mounting shaft are respectively mounted on two side inner walls of the storage groove.
8. The steel box girder assembly jig frame structure according to claim 7, wherein a torsion spring groove is formed in the inner wall of the mounting hole in an annular mode, a torsion spring is arranged in the torsion spring groove, and the torsion spring is sleeved on the mounting shaft;
one end of the torsion spring is installed on the installation shaft, and the other end of the torsion spring is installed on the inner wall of the torsion spring groove.
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| CN202311836248.7A CN117488700B (en) | 2023-12-28 | 2023-12-28 | Steel box girder assembly jig frame structure |
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| CN202311836248.7A CN117488700B (en) | 2023-12-28 | 2023-12-28 | Steel box girder assembly jig frame structure |
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| CN117488700B true CN117488700B (en) | 2024-04-12 |
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| JPH10266136A (en) * | 1997-03-25 | 1998-10-06 | P S Co Ltd | Execution method of overhanging girder bridge using corrugated steel plate web |
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| CN117488700A (en) | 2024-02-02 |
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