CN114108468B - Cast-in-situ bridge template support system device and bridge cast-in-situ rapid construction method - Google Patents
Cast-in-situ bridge template support system device and bridge cast-in-situ rapid construction method Download PDFInfo
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- CN114108468B CN114108468B CN202111250797.7A CN202111250797A CN114108468B CN 114108468 B CN114108468 B CN 114108468B CN 202111250797 A CN202111250797 A CN 202111250797A CN 114108468 B CN114108468 B CN 114108468B
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 26
- 238000009415 formwork Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000295 complement effect Effects 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 7
- 238000005056 compaction Methods 0.000 description 5
- 102100031506 Complement C5 Human genes 0.000 description 3
- 108010028773 Complement C5 Proteins 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
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Abstract
The application relates to a cast-in-situ bridge formwork support system device, which relates to the field of constructional engineering, and comprises a plurality of formwork supports and a plurality of sliding boxes, wherein a plug-in seat is inserted in the sliding boxes in a sliding way, the formwork supports are arranged on the plug-in seat, a formwork is arranged on the formwork supports, a pouring die is built on the formwork, a plurality of tracks are paved on the ground of a bridge construction site, a mounting groove is formed in the bottom surface of the sliding box, the tracks corresponding to the sliding boxes are inserted in the mounting groove, a worm is rotationally connected in the mounting groove, a worm wheel meshed with the worm is rotationally connected in the mounting groove, an intermediate gear is fixedly connected on a rotating shaft of the worm wheel, a rack is fixedly connected on the upper surface of the tracks, the intermediate gear is meshed with the rack, and a transmission motor for driving the worm to rotate is fixedly connected on the sliding boxes. The application has the effect of improving the construction efficiency.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a cast-in-situ bridge template support system device and a bridge cast-in-situ rapid construction method.
Background
In the bridge construction process, a construction scheme is firstly required to be formulated, then an operator builds a template support system according to the construction scheme, the template support system comprises a plurality of vertical rods, a plurality of cross rods and a plurality of shear supports, the cross rods and the shear supports are connected between two adjacent vertical rods through butt joint fasteners, then a template is fixed on the vertical rods, and a pouring die is built on the template.
The sectional construction is widely used with the advantages of small occupied area, flexible construction, small influence on traffic and the like. And when the concrete has certain strength, an operator needs to dismantle the vertical rod, the cross rod and the shear support of the section, then transfer the dismantled vertical rod, cross rod and shear support to the next construction section, and finally assemble the vertical rod, cross rod and shear support into a template support, thereby supporting the template and the pouring mould of the next construction section.
With respect to the related art, the inventor considers that when a bridge is poured in sections, an operator needs to dismantle a former section of formwork support, and then transfers the dismantled formwork support to a position where construction is required for assembly, and a great deal of time and manpower are consumed in the process, so that the construction efficiency is low.
Disclosure of Invention
In order to improve the construction efficiency, the application provides a cast-in-situ bridge template support system device and a bridge cast-in-situ rapid construction method.
The application provides a cast-in-situ bridge template support system device and a bridge cast-in-situ rapid construction method, which comprise the following steps:
In a first aspect, the application provides a cast-in-situ bridge formwork support system device, which adopts the following technical scheme:
The utility model provides a cast-in-place bridge template support system device, template support system includes a plurality of template supports and a plurality of box that slides, the cavity has all been seted up to the upper surface of box that slides, all slide in the box and peg graft and have a bayonet socket, template support installs on the bayonet socket, install the template on the template support, build on the template and pour the mould, a plurality of tracks have been laid on bridge construction department's the subaerial, set up the mounting groove on the bottom surface of box that slides, peg graft with the track that slides corresponding to the box in the mounting groove, rotate on two cell walls that the mounting groove corresponds and be connected with the worm, the axis of worm with the sideline of mounting groove length direction is parallel arrangement each other, rotate on two cell walls that the mounting groove corresponds be connected with one with worm meshed worm wheel, the axis of worm wheel with the axis of worm mutually perpendicular, fixedly connected with middle gear on the template, orbital upper surface fixedly connected with rack, the length direction of worm wheel is followed the length direction of worm wheel gear sets up the middle gear of rack and a drive box that slides, a drive box is connected with the worm.
Through adopting above-mentioned technical scheme, operating personnel lays the track according to construction scheme, then will slide the box and peg graft with corresponding track, and install the mould support on the bayonet socket, after the mould support builds the completion, install the template to the mould support, and build the pouring mould on the template, after the pouring mould builds the completion, carry out the pre-compaction to the mould support system, pour into the pouring mould with concrete mud after the pre-compaction is accomplished, when the concrete has certain intensity, start driving motor, driving motor drives the worm rotation, the worm rotates and drives the worm wheel rotation, the worm wheel rotates and drives the intermediate gear and rotate, intermediate gear and rack engagement, make intermediate gear drive slide the box, the bayonet socket is moved along the track with the template support, when the template support is moved to the preset position of next construction section to the box that slides, reduce operating personnel need transfer the condition that will support the mould again after transferring the supporting mould, thereby reduce operating personnel and need assemble the supporting mould again after transferring the supporting mould, construction efficiency has been improved.
Optionally, the helix angle of the worm is less than the equivalent friction angle between the worm and the worm gear engagement teeth.
Through adopting above-mentioned technical scheme, make worm gear have self-locking function, reduce and close the pivoted condition takes place for the shake behind the driving motor worm to carry out spacingly to the box that slides, reduce the possibility that the position of the mould support that plays the supporting role changes.
Optionally, the template support includes a plurality of pole settings, a plurality of horizontal pole and a plurality of shear force props, the pole setting is pegged graft on the plug-in connection seat, the horizontal pole passes through butt joint fastener to be connected between two adjacent pole settings, the shear force props also through butt joint fastener connection between two adjacent pole settings.
Through adopting above-mentioned technical scheme, when installing the mould support, peg graft the pole setting in proper order on the bayonet socket at first, then install a plurality of horizontal poles to between two adjacent pole settings in proper order through the butt joint fastener, install a plurality of shear force props between two adjacent pole settings through the butt joint fastener at last.
Optionally, the one end fixedly connected with locating plate of pole setting, the bar groove has been seted up to the upper surface of socket, a plurality of longitudinal grooves have still been seted up to the upper surface of socket, longitudinal groove's length direction with bar groove's length direction mutually perpendicular, a plurality of grooves of sliding have all been seted up on the both sides cell wall of bar groove, slide the length direction in groove with longitudinal groove's length direction syntropy sets up, every slide the groove all and be linked together with corresponding longitudinal groove, the spacing groove has been seted up on the diapire in groove of sliding, the spacing groove with slide the groove and longitudinal groove all communicates, the spacing groove with the locating plate adaptation, the locating plate is pegged graft in corresponding spacing groove.
Through adopting above-mentioned technical scheme, when the installation pole setting, insert the locating plate in the bar groove, then align locating plate and the groove that slides, then promote the pole setting, make the pole setting drive the locating plate to being close to the direction removal of spacing groove, when the locating plate is located the spacing groove top, loosen the pole setting, make the locating plate fall into in the spacing groove, the spacing groove is spacing locating plate and pole setting, reduces the possibility that the pole setting takes place to remove.
Optionally, be equipped with the complement subassembly that control bayonet socket was risen on the interior diapire of the box that slides, complement the subassembly and include driving gear, a plurality of driven gear, a plurality of screw rod and a plurality of sleeve.
Through adopting above-mentioned technical scheme, when finding after the pre-compaction is handled to the template support system that pole setting and template take place to separate, start the complement subassembly, complement subassembly drive the bayonet socket and upwards move to make the bayonet socket drive the pole setting to be close to the direction of template and remove, until pole setting and template contact, thereby complement the subsidence degree of depth that the pre-compaction produced.
Optionally, the driving gear and a plurality of driven gear all rotate to be connected on the interior diapire of the box that slides, impulse gear with the driving gear meshing, every equal fixed connection of screw rod is at the upper surface of corresponding driven gear, all set up the screw thread on the telescopic inside wall, every the sleeve all with corresponding screw threaded connection, the one end that driven gear was kept away from to every sleeve all with the lower fixed surface of socket connection, fixedly connected with drive driving gear pivoted driving motor on the interior diapire of the box that slides.
Through adopting above-mentioned technical scheme, when pole setting and template take place the separation, start driving motor, driving motor drives the driving gear and rotates, and the driving gear rotates and drives driven gear and rotate, and driven gear rotates and drives the screw rod and rotate, and screw rod and sleeve cooperation make the sleeve to slide the box outside and remove, and the sleeve removes and drives the bayonet socket and pole setting and remove, makes the pole setting remove to the direction that is close to the template, when pole setting and template contact, closes driving motor, makes the pole setting provide holding power to the template.
Optionally, the radius of the driven gear is larger than the radius of the driving gear.
Through adopting above-mentioned technical scheme, the driving gear rotates many weeks and drives driven gear and rotate a week to make telescopic lifting speed as low as possible, make the lifting height of control pole setting that operating personnel can be better.
Optionally, the driven gears are uniformly distributed on the inner bottom wall of the sliding box body.
By adopting the technical scheme, the force provided by the sleeve to the socket is more uniform, so that the socket is smoother in lifting.
In a second aspect, the application provides a bridge cast-in-situ rapid construction method, which adopts the following technical scheme:
The rapid bridge cast-in-situ construction method adopts the cast-in-situ bridge template support system device to carry out assembly processing and comprises the following steps:
S1, paving a plurality of tracks according to a construction scheme, taking a plurality of sliding box bodies, a plurality of plug-in sockets, a plurality of vertical rods, a plurality of cross rods and a plurality of shear supports, plugging the sliding box bodies with the corresponding tracks, then installing the vertical rods on the plug-in sockets, and finally installing the cross rods and the shear supports;
S2, installing a template, building a pouring die on the template after the template is installed, pre-pressing a template supporting system, and observing whether the top of the vertical rod is separated from the template or not after pre-pressing;
S3, when the pre-pressed upright posts are separated from the templates, starting the driving motor, and when the upright posts are contacted with the templates, closing the driving motor;
S4, when the pre-pressing is completed and the upright post is kept in contact with the template, the operator injects concrete slurry into the pouring die;
S5, when the concrete slurry has certain strength, starting the driving motor, when the vertical rod and the template are separated from each other, closing the driving motor and starting the transmission motor, and when the sliding box body drives the template support to move to the next construction section, closing the transmission motor.
Through adopting above-mentioned technical scheme, the subsidence degree of depth that produces after making the pre-compaction that operating personnel can be more convenient, operating personnel can be more convenient shift the template support to next construction section, has reduced the operating personnel need demolish the condition that the back was shifted to the template support, has practiced thrift the time, has improved the efficiency of construction.
In summary, the present application includes at least one of the following beneficial technical effects:
1. By arranging the track, the sliding box body, the plug-in seat, the transmission motor, the worm wheel, the worm, the intermediate gear and the rack, an operator can more conveniently transfer the template support to the next construction section, the condition that the operator needs to disassemble the template support before transferring the template support is reduced, and the construction efficiency is improved;
2. by arranging the driving motor, the driving gear, the driven gear, the screw and the sleeve, operators can more conveniently complement the sinking depth generated after pre-pressing;
3. The spiral lead angle of the worm is smaller than the equivalent friction angle between the meshing teeth of the worm and the worm wheel, so that the worm and the worm wheel have a self-locking function, and the possibility of displacement of the template bracket after the transmission motor is closed is reduced.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an apparatus embodying a template-support system according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of an overall structure of a template holder system according to an embodiment of the present application.
Fig. 3 is an exploded view of an overall structure embodying a complement assembly in accordance with an embodiment of the present application.
FIG. 4 is a cross-sectional view of an embodiment of the present application showing the positional relationship of the drive assembly and the slip housing.
Fig. 5 is a cross-sectional view of an overall structure embodying a transmission assembly in accordance with an embodiment of the present application.
Reference numerals illustrate: 1. a slip case; 11. a mounting groove; 2. a socket; 21. a bar-shaped groove; 22. a longitudinal slot; 23. a slip groove; 24. a limit groove; 3. a template support; 31. a vertical rod; 32. a cross bar; 33. a shear support; 34. a positioning plate; 4. a template; 5. complement the assembly; 51. a drive gear; 52. a driven gear; 53. a screw; 54. a sleeve; 55. a driving motor; 6. a track; 7. a transmission assembly; 71. a worm; 72. a drive motor; 73. a worm wheel; 74. an intermediate gear; 75. a rack.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a cast-in-situ bridge template support system device. Referring to fig. 1 and 2, the template support system device comprises a plurality of sliding boxes 1, a cavity is formed in the top surface of each sliding box 1, a plug seat 2 is inserted in each sliding box 1 in a sliding mode, the template support system further comprises a plurality of template supports 3, each plug seat 2 is provided with a template support 3, and the top of each template support 3 is provided with a template 4; the inner bottom wall of the sliding box body 1 is provided with a complement component 5 for controlling the plug-in seat 2 to rise or fall. Before bridge construction, an operator lays a plurality of rails 6 according to a predetermined construction scheme, and the rails 6 provide guiding function for the movement of the sliding box body 1. The bottom surface of the sliding box body 1 is provided with a mounting groove 11 matched with the rail 6, the rail 6 is inserted into the mounting groove 11, two transmission components 7 are arranged in the mounting groove 11, and the two transmission components 7 are uniformly distributed at two ends of the mounting groove 11.
When construction is needed, an operator lays a track 6 according to a construction scheme, then installs the sliding box body 1 on the track 6, enables the track 6 to be spliced in the installation groove 11, then installs the template support 3 on the splicing seat 2, after the template support 3 is installed, the operator carries out weight balancing according to the construction scheme, uses a weight to pre-press the template support 3, and observes whether the template support 3 is separated from the template 4; when the template support 3 and the template 4 are separated, the complement component 5 is started, the complement component 5 controls the plug-in seat 2 to rise along the height direction of the sliding box body 1 until the top of the template support 3 is contacted with the template 4, so that the pre-pressing sinking depth of the template support 3 is complemented, and finally, the construction section can be concreted.
When the concrete of this construction section has certain intensity, can remove template support 3 this moment and use to next construction section, at first start complement subassembly 5, complement subassembly 5 control bayonet socket 2 to slide in the box 1 and remove, the movement of bayonet socket 2 drives template support 3 and moves downwards, until template support 3 and template 4 separate, then start drive assembly 7, drive assembly 7 drives and slides box 1 and remove along track 6, slide box 1 and remove and drive bayonet socket 2 and template support 3, until template support 3 removes to next construction section. Through setting up drive assembly 7, make operating personnel can remove the template support 3 that assembles to next construction section, reduced operating procedure that operating personnel removed the template support 3 and shift to efficiency of construction has been improved.
The top surface of the plug seat 2 is provided with a strip-shaped groove 21, the strip-shaped groove 21 penetrates through the plug seat 2, the length direction of the strip-shaped groove 21 is set along the length direction of the track 6, the top surface of the plug seat 2 is provided with four longitudinal grooves 22, the four longitudinal grooves 22 are uniformly distributed at four vertex angles of the plug seat 2, the length direction of the four longitudinal grooves 22 is perpendicular to the length direction of the strip-shaped groove 21, the depth direction of the four longitudinal grooves 22 is set along the height direction of the plug seat 2, and each longitudinal groove 22 is communicated with the strip-shaped groove 21. Four sliding grooves 23 are formed in the plug seat 2, the length direction of each sliding groove 23 is the same as the length of the corresponding longitudinal groove 22, each sliding groove 23 is communicated with the corresponding longitudinal groove 22, limiting grooves 24 are formed in the bottom wall, away from one end of each strip-shaped groove 21, of each sliding groove 23, and each limiting groove 24 is communicated with the corresponding strip-shaped groove 21.
The template bracket 3 comprises a plurality of upright posts 31, a plurality of cross bars 32 and a plurality of shear struts 33, wherein in the embodiment, the number of the upright posts 31 is 4, the number of the cross bars 32 is 8, and the number of the shear struts 33 is 4; in other embodiments the number of the neutral bars 31, the cross bars 32 and the shear struts 33 may be adjusted according to the actual use. One end of the upright 31 is fixedly connected with a positioning plate 34, the upright 31 is perpendicular to the positioning plate 34, and the positioning plate 34 is matched with the limiting groove 24.
When an operator installs the template support 3, firstly, the positioning plate 34 is inserted into the bar-shaped groove 21 from the end part of the bar-shaped groove 21, then the upright rod 31 is pushed towards the middle part of the bar-shaped groove 21, when the positioning plate 34 is aligned with the sliding groove 23 and the upright rod 31 is aligned with the longitudinal groove 22, the upright rod 31 is pushed, the upright rod 31 drives the positioning plate 34 to move along the sliding groove 23 in a direction away from the bar-shaped groove 21 until the positioning plate 34 is aligned with the limit groove 24, and finally, the upright rod 31 is released, so that the positioning plate 34 falls into the limit groove 24, the limit groove 24 limits the upright rod 31, and the possibility that the support force provided by the template support 3 to the template 4 is changed due to displacement of the upright rod 31 caused by shaking is reduced.
When an operator installs the four vertical rods 31, the operator installs the cross rod 32 between two adjacent vertical rods 31 through a butt joint fastener, and then installs the cross rods 32 in sequence, so that one cross rod 32 is connected between two adjacent vertical rods 31; then the remaining four cross bars 32 are installed in turn, so that the four cross bars 32 are all located at one end of the upright 31 away from the socket 2. After the cross bar 32 is installed, an operator installs the shear brace 33 between two adjacent upright posts 31 through the butt joint fastener, and the shear brace 33 is obliquely arranged, and the operator installs the remaining three shear braces 33 in sequence.
After the operator completes the construction of the formwork support 3, the formwork 4 is mounted on top of the four uprights 31, so that the four uprights 31 support one formwork 4. After the template 4 is installed, a pouring die is built above the template 4, and an operator builds a required template support system according to the operation.
Referring to fig. 2 and 3, the complement assembly 5 includes a driving gear 51 rotatably connected to the inner bottom wall of the sliding box 1 and a plurality of driven gears 52 meshed with the driving gear 51, wherein the driven gears 52 are uniformly distributed on the inner bottom wall of the sliding box 1, and in this embodiment, the number of the driven gears 52 is four; the radius of each of the four driven gears 52 is larger than that of the driving gear 51. The upper surface of each driven gear 52 is fixedly connected with a screw rod 53, and each screw rod 53 is coaxially arranged with the corresponding driven gear 52. Four sleeves 54 are fixedly connected to the bottom surface of the plug seat 2, each sleeve 54 is correspondingly arranged with one screw rod 53, threads are formed on the inner side wall of each sleeve 54, each sleeve 54 is in threaded connection with the corresponding screw rod 53, a driving motor 55 for driving the driving gear 51 to rotate is further arranged on the inner bottom wall of the sliding box body 1, and an output shaft of the driving motor 55 is coaxially arranged with the driving gear 51.
When an operator discovers that the template support 3 and the template 4 are mutually separated after prepressing the template support system, the driving motor 55 is started, the driving motor 55 rotates to drive the driving gear 51 to rotate, the driving gear 51 rotates to drive the driven gear 52 to rotate, the driven gear 52 rotates to drive the screw 53 to rotate, the screw 53 is matched with the sleeve 54, the sleeve 54 drives the plug-in socket 2 to move towards the outside of the sliding box body 1, the plug-in socket 2 moves to drive the vertical rod 31 to move towards the direction close to the template 4 until the vertical rod 31 is in contact with the template 4, and accordingly the sinking depth generated by prepressing is complemented. In the moving process of the socket 2, as the four driven gears 52 are uniformly distributed on the inner bottom wall of the sliding box body 1, the force provided for the socket 2 is more uniform, and the movement of the socket 2 is smoother; because the radius of the driving gear 51 is smaller than that of the driven gear 52, the driving gear 51 rotates for a plurality of circles to drive the driven gear 52 to rotate for a circle, so that the moving speed of the plug-in socket 2 is as low as possible, and an operator can better control the movement of the plug-in socket 2.
Referring to fig. 4 and 5, the transmission assembly 7 includes a worm 71 rotatably connected to opposite groove walls of the sliding groove 23, an axis of the worm 71 is disposed along a length direction of the installation groove 11, and a transmission motor 72 for driving the worm 71 to rotate is fixedly connected to a side wall of the sliding case 1. A worm wheel 73 is also rotatably connected to the two corresponding groove walls of the sliding groove 23, the worm wheel 73 is meshed with the worm 71, and the axis of the worm wheel 73 is mutually perpendicular to the axis of the worm 71; the helix angle of the worm 71 is smaller than the equivalent friction angle between the teeth of the worm 71 and the worm wheel 73, so that the worm 71 of the worm wheel 73 can be self-locked.
An intermediate gear 74 is fixedly connected to the rotating shaft of the worm wheel 73, the intermediate gear 74 and the worm wheel 73 are coaxially arranged, and the radius of the intermediate gear 74 is larger than that of the worm wheel 73. The track 6 is fixedly connected with a rack 75, the length direction of the rack 75 is arranged along the length direction of the track 6, and the intermediate gear 74 is meshed with the rack 75.
After the pre-pressing operation is completed, the operator injects concrete slurry into the pouring mold, when the concrete has certain strength, the operator starts the driving motor 55, the driving motor 55 rotates to drive the driving gear 51 to rotate, the driving gear 51 rotates to drive the driven gear 52 to rotate, the driven gear 52 rotates to drive the screw 53 to rotate, the screw 53 is matched with the sleeve 54 to enable the sleeve 54 to move towards the direction close to the bottom wall of the sliding box body 1, and the sleeve 54 moves to drive the plug-in seat 2 and the vertical rod 31 to move until the vertical rod 31 is separated from the template 4.
When the upright rod 31 is separated from the template 4, a transmission motor 72 is started, the transmission motor 72 drives a worm 71 to rotate, the worm 71 rotates to drive a worm wheel 73 to rotate, the worm wheel 73 rotates to drive an intermediate gear 74 to rotate, and the intermediate gear 74 is matched with a rack 75, so that the gear drives a sliding box body 1 to move along a track 6, and the sliding box body 1 moves to drive a plug-in seat 2 and a template bracket 3 to move; the situation that an operator needs to detach the cross rod 32, the shear support 33 and the upright rod 31 for transferring when transferring the template support 3 is reduced, and the construction efficiency is improved. When the template support 3 moves to the next construction section, the transmission motor 72 is turned off, and the worm wheel 73 and the worm 71 are in a self-locking state at the moment, so that the position of the template support 3 is changed due to the fact that the sliding box body 1 moves along the track 6 is reduced.
The embodiment of the application provides an implementation principle of a cast-in-situ bridge template support system device, which comprises the following steps: when an operator needs to build a formwork support system, firstly, a track 6 is installed on the ground according to a construction scheme, then the sliding box body 1 is installed on the corresponding track 6, and then the vertical rod 31, the cross rod 32 and the shear support 33 are sequentially installed. After the upright posts 31, the cross bars 32 and the shear supports 33 are installed, the templates 4 are installed on the upright posts 31, and finally, casting molds are built on the templates 4, and after the casting molds are built, an operator performs pre-pressing treatment on a template supporting system.
After the top surface of the vertical rod 31 is separated from the template 4 after pre-pressing, the driving motor 55 is started, and the driving motor 55 drives the driving gear 51 to rotate, so that the plug-in socket 2 moves towards the outside of the sliding box body 1 until the vertical rod 31 contacts with the template 4, and the driving motor 55 is closed at the moment.
Then, the operator injects concrete slurry into the pouring die, when the concrete has certain strength, the operator starts the driving motor 55, the driving motor 55 rotates to drive the driving gear 51 to rotate, the driving gear 51 rotates to drive the plug-in socket 2 to move towards the direction close to the inner bottom wall of the sliding box body 1 until the vertical rod 31 is separated from contact with the template 4, and the driving motor 55 is closed. Then, the transmission motor 72 is started, the transmission motor 72 drives the intermediate gear 74 to rotate, and the intermediate gear 74 is matched with the rack 75, so that the sliding box body 1 moves along the track 6, and when the sliding box body 1 drives the template support 3 to move to the next construction section, the transmission motor 72 is closed.
The embodiment of the application also discloses a bridge cast-in-situ rapid construction method.
The quick construction method for the bridge cast-in-situ adopts the formwork support system device for construction, and comprises the following steps:
s1, paving a plurality of tracks 6 according to a construction scheme, taking a plurality of sliding box bodies 1, a plurality of plug-in sockets 2, a plurality of vertical rods 31, a plurality of cross rods 32 and a plurality of shear supports 33, then plugging the sliding box bodies 1 with the corresponding tracks 6, then installing the vertical rods 31 on the plug-in sockets 2, and finally installing the cross rods 32 and the shear supports 33.
S2, installing the templates 4, building a pouring die on the templates 4 after the templates 4 are installed, and after the pouring die is built, prepressing a template supporting system by an operator, and observing whether the top of the vertical rods 31 is separated from the templates 4 after prepressing.
S3, when the pre-pressed upright rod 31 and the template 4 are separated, a driving motor 55 is started, an output shaft of the driving motor 55 rotates to drive a driving gear 51 to rotate, the driving gear 51 rotates to drive a driven gear 52 to rotate, the driven gear 52 rotates to drive a screw rod 53 to rotate, the screw rod 53 is matched with a sleeve 54 to enable the sleeve 54 to drive a plug-in seat 2 to move outwards of the sliding box body 1, the plug-in seat 2 moves to drive the upright rod 31 to move towards the direction close to the template 4 until the upright rod 31 contacts with the template 4, and the driving motor 55 is closed.
S4, when the pre-pressing is completed and the upright post is kept in contact with the template 4, the operator injects concrete slurry into the pouring die.
S5, when the concrete has certain strength, the driving motor 55 is started, the driving motor 55 drives the driving gear 51 to rotate, the driving gear 51 drives the driven gear 52 to rotate, the driven gear 52 rotates to drive the screw 53 to rotate, the screw 53 is matched with the sleeve 54, the sleeve 54 moves towards the direction close to the inner bottom wall of the sliding box body 1, the sleeve 54 moves to drive the plug-in seat 2 and the vertical rod 31 to move until the vertical rod 31 and the formwork 4 are separated from each other, the driving motor 55 is closed, the driving motor 72 is started, the driving motor 72 drives the worm 71 to rotate, the worm 71 is matched with the worm gear 73 to drive the worm gear 73 to rotate, the worm gear 73 rotates to drive the intermediate gear 74 to rotate, the intermediate gear 74 is matched with the rack 75 to drive the sliding box body 1 to move along the track 6, and when the sliding box body 1 drives the formwork support 3 to move to the next construction section, the driving motor 72 is closed.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A cast-in-situ bridge template support system device is characterized in that: the template support (3) system comprises a plurality of template supports (3) and a plurality of sliding box bodies (1), the upper surfaces of the sliding box bodies (1) are provided with cavities, two groove walls corresponding to the sliding box bodies (1) are respectively connected with a plug seat (2) in a sliding way, the template supports (3) are arranged on the plug seats (2), templates (4) are arranged on the template supports (3), pouring molds are built on the templates (4), a plurality of rails (6) are paved on the ground of a bridge construction site, mounting grooves (11) are formed in the bottom surface of the sliding box bodies (1), the rails (6) corresponding to the sliding box bodies (1) are plugged in the mounting grooves (11), two groove walls corresponding to the mounting grooves (11) are rotationally connected with worms (71), the axes of the worms (71) are mutually parallel to side lines of the length direction of the mounting grooves (11), two corresponding to the mounting grooves are rotationally connected with a worm wheel (71), the worm wheel (73) is meshed with the worm wheel (73), the two rails (73) are fixedly connected with the axes of the worm wheel (73), the worm (71) are fixedly connected with the middle rail (73) on the surfaces of the worm wheel (73), the length direction of the rack (75) is along the length direction of the track (6), the intermediate gear (74) is meshed with the rack (75), and the sliding box body (1) is fixedly connected with a transmission motor (72) for driving the worm (71) to rotate;
The template support (3) comprises a plurality of vertical rods (31), a plurality of cross rods (32) and a plurality of shear supports (33), wherein the vertical rods (31) are spliced on the splicing seat (2), the cross rods (32) are connected between two adjacent vertical rods (31) through butt-joint fasteners, and the shear supports (33) are also connected between the two adjacent vertical rods (31) through butt-joint fasteners;
The utility model discloses a pole setting, including pole setting (31) and locating plate (34), strip groove (21) have been seted up to the upper surface of grafting seat (2), a plurality of longitudinal groove (22) have still been seted up to the upper surface of grafting seat (2), the length direction of longitudinal groove (22) with the length direction mutually perpendicular of strip groove (21), a plurality of sliding groove (23) have all been seted up on the both sides cell wall of strip groove (21), the length direction of sliding groove (23) with the length direction syntropy setting of longitudinal groove (22), every sliding groove (23) all are linked together with corresponding longitudinal groove (22), limiting groove (24) have been seted up on the diapire of sliding groove (23), limiting groove (24) with sliding groove (23) and longitudinal groove (22) all communicate, limiting groove (24) with locating plate (34) adaptation, locating plate (34) are pegged graft in corresponding limiting groove (24).
2. The cast-in-situ bridge formwork support system device as claimed in claim 1, wherein: the spiral lead angle of the worm (71) is smaller than the equivalent friction angle between the worm (71) and the meshing teeth of the worm wheel (73).
3. The cast-in-situ bridge formwork support system device as claimed in claim 1, wherein: the automatic sliding box is characterized in that a complement component (5) for controlling the lifting of the plug-in socket (2) is arranged on the inner bottom wall of the sliding box body (1), and the complement component (5) comprises a driving gear (51), a plurality of driven gears (52), a plurality of screws (53) and a plurality of sleeves (54).
4. A cast-in-place bridge formwork support system apparatus as claimed in claim 3, wherein: the driving gear (51) and a plurality of driven gears (52) are all rotationally connected to the inner bottom wall of the sliding box body (1), the driven gears (52) are meshed with the driving gears (51), each screw rod (53) is fixedly connected to the upper surface of the corresponding driven gear (52), threads are formed on the inner side wall of each sleeve (54), each sleeve (54) is in threaded connection with the corresponding screw rod (53), one end, away from the driven gear (52), of each sleeve (54) is fixedly connected with the lower surface of the inserting seat (2), and a driving motor (55) for driving the driving gears (51) to rotate is fixedly connected to the inner bottom wall of the sliding box body (1).
5. The cast-in-situ bridge formwork support system apparatus as claimed in claim 4, wherein: the radius of the driven gear (52) is larger than the radius of the driving gear (51).
6. The cast-in-situ bridge formwork support system apparatus as claimed in claim 4, wherein: the driven gears (52) are uniformly distributed on the inner bottom wall of the sliding box body (1).
7. A bridge cast-in-situ rapid construction method is characterized in that: the assembly process using the cast-in-situ bridge template support system device according to any one of claims 1 to 6, comprising the steps of:
S1, paving a plurality of tracks (6) according to a construction scheme, taking a plurality of sliding box bodies (1), a plurality of plug-in sockets (2), a plurality of vertical rods (31), a plurality of cross rods (32) and a plurality of shear supports (33), plugging the sliding box bodies (1) with the corresponding tracks (6), then installing the vertical rods (31) on the plug-in sockets (2), and finally installing the cross rods (32) and the shear supports (33);
S2, installing a template (4), building a pouring die on the template (4) after the template (4) is installed, pre-pressing a template (4) supporting system, and observing whether the top of the vertical rod (31) is separated from the template (4) or not after pre-pressing;
S3, when the pre-pressed upright post (31) is separated from the template (4), starting the driving motor (55), and when the upright post is contacted with the template (4), closing the driving motor (55);
s4, when the pre-pressing is completed and the upright post is kept in contact with the template (4), injecting concrete slurry into the pouring die by an operator;
S5, when the concrete has certain strength, starting the driving motor (55), when the vertical rod (31) and the template (4) are mutually separated, closing the driving motor (55) and starting the transmission motor (72), and when the sliding box body (1) drives the template support (3) to move to the next construction section, closing the transmission motor (72).
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