CN114108468A - Cast-in-place bridge formwork support system device and bridge cast-in-place rapid construction method - Google Patents
Cast-in-place bridge formwork support system device and bridge cast-in-place rapid construction method Download PDFInfo
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- CN114108468A CN114108468A CN202111250797.7A CN202111250797A CN114108468A CN 114108468 A CN114108468 A CN 114108468A CN 202111250797 A CN202111250797 A CN 202111250797A CN 114108468 A CN114108468 A CN 114108468A
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- 238000009415 formwork Methods 0.000 title claims abstract description 68
- 238000010276 construction Methods 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The application relates to a cast-in-place bridge formwork support system device, which relates to the field of constructional engineering, the formwork support system comprises a plurality of formwork supports and a plurality of sliding box bodies, an inserting seat is inserted in each sliding box body in a sliding way, the template bracket is arranged on the inserting seat, the template is arranged on the template bracket, a pouring mold is built on the template, a plurality of tracks are laid on the ground of the bridge construction position, the bottom surface of the sliding box body is provided with an installation groove, the track corresponding to the sliding box body is inserted in the mounting groove, a worm is rotatably connected in the mounting groove, the mounting groove is internally and rotatably connected with a worm wheel meshed with the worm, an intermediate gear is fixedly connected to a rotating shaft of the worm wheel, a rack is fixedly connected to the upper surface of the track, the intermediate gear is meshed with the rack, and a transmission motor for driving the worm to rotate is fixedly connected to the sliding box body. This application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a cast-in-place bridge formwork support system device and a bridge cast-in-place rapid construction method.
Background
At the in-process of bridge construction, at first need formulate the construction scheme, operating personnel builds template support system according to the construction scheme after that, and template support system includes a plurality of pole settings, a plurality of horizontal pole and a plurality of shear force and props, and horizontal pole and shear force prop and all connect between two adjacent pole settings through butt joint fastener, then solid fixed die board in the pole setting, build the mould of pouring on the template.
The sectional construction is widely used due to the advantages of small occupied area, flexible construction, small influence on traffic and the like. When the sectional construction of a cast-in-place bridge is carried out, concrete slurry is injected into a previous section of pouring mold, when concrete has certain strength, an operator needs to dismantle the vertical rod, the transverse rod and the shear brace of the section, then the dismantled vertical rod, the dismantled transverse rod and the dismantled shear brace are transferred to a next construction section, and finally the vertical rod, the transverse rod and the dismantled shear brace are assembled into a formwork support, so that a formwork of the next construction section and the pouring mold are supported.
For the related technologies, the inventor thinks that when a bridge is cast in sections, an operator needs to dismantle a former section of formwork support and then transfer the dismantled formwork support to a position needing construction for assembly, and a large amount 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-place bridge formwork support system device and a bridge cast-in-place rapid construction method.
The application provides a cast-in-place bridge formwork support system device and a bridge cast-in-place rapid construction method:
in a first aspect, the present application provides a cast-in-place bridge formwork support system device, which adopts the following technical scheme:
a cast-in-place bridge formwork support system device comprises a plurality of formwork supports and a plurality of sliding box bodies, wherein cavities are formed in the upper surfaces of the sliding box bodies, inserting seats are inserted into the sliding box bodies in a sliding mode, the formwork supports are installed on the inserting seats, formworks are installed on the formwork supports, pouring molds are built on the formworks, a plurality of tracks are laid on the ground of a bridge construction position, installation grooves are formed in the bottom surfaces of the sliding box bodies, the tracks corresponding to the sliding box bodies are inserted into the installation grooves, worms are connected to two groove walls corresponding to the installation grooves in a rotating mode, the axes of the worms are parallel to the side lines of the installation grooves in the length direction, worm wheels meshed with the worms are connected to the two groove walls corresponding to the installation grooves in a rotating mode, and the axes of the worm wheels are perpendicular to the axes of the worms, an intermediate gear is fixedly connected to the rotating shaft of the worm wheel, a rack is fixedly connected to the upper surface of the track, the length direction of the rack is arranged along the length direction of the track, the intermediate gear is meshed with the rack, and a transmission motor for driving the worm to rotate is fixedly connected to the sliding box body.
By adopting the technical scheme, an operator lays a track according to a construction scheme, then a sliding box body is inserted with the corresponding track, a mould bracket is arranged on an insertion seat, a template is arranged on the mould bracket after the mould bracket is built, a pouring mould is built on the template, a template bracket system is pre-pressed after the pouring mould is built, concrete slurry is injected into the pouring mould after the pre-pressing is completed, when the concrete has certain strength, a driving motor is started, the driving motor drives a worm to rotate, the worm rotates to drive a worm wheel to rotate, the worm wheel rotates to drive an intermediate gear to rotate, the intermediate gear is meshed with a rack, the intermediate gear drives the sliding box body, the insertion seat and the mould bracket to move along the track, and when the sliding box body drives the mould bracket to move to a preset position of a next construction section, the driving motor is turned off, the condition that the supporting mold needs to be detached and then transferred when the supporting mold is transferred by an operator is reduced, so that the possibility that the supporting mold needs to be assembled again after the supporting mold is transferred by the operator is reduced, and the construction efficiency is improved.
Optionally, a helix angle of the worm is smaller than an equivalent friction angle between the worm and the meshing teeth of the worm wheel.
Through adopting above-mentioned technical scheme, make the worm gear have self-locking function, reduce and close driving motor back worm because of the shake emergence pivoted condition to carry on spacingly to the box that slides, reduce the possibility that the position of the mould support that plays the supporting role changes.
Optionally, the formwork support includes a plurality of pole settings, a plurality of horizontal pole and a plurality of shear force prop, the pole setting is pegged graft on the plug socket, the horizontal pole passes through butt joint fastener to be connected between two adjacent pole settings, the shear force props and also connects between two adjacent pole settings through butt joint fastener.
Through adopting above-mentioned technical scheme, when installation mould support, at first peg graft the pole setting in proper order on the bayonet socket, then install a plurality of horizontal poles to between two adjacent pole settings in proper order through butt joint fastener, prop a plurality of shear forces through butt joint fastener and install to between two adjacent pole settings 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 bayonet socket, a plurality of longitudinal grooves have still been seted up to the upper surface of bayonet socket, the length direction of longitudinal groove with the length direction mutually perpendicular in bar groove, a plurality of grooves that slide have all been seted up on the both sides cell wall in bar groove, the length direction in groove that slides with the length direction syntropy setting in longitudinal groove, every slide the groove all with corresponding longitudinal groove intercommunication, the spacing groove has been seted up on the diapire in groove that slides, the spacing groove with slide the groove and longitudinal groove all communicate, 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, align locating plate and sliding groove after that, then promote the pole setting, make the pole setting drive the locating plate to the direction removal that is close to the spacing groove, when the locating plate is located the spacing groove top, loosen the pole setting, make the locating plate fall into the spacing groove, the spacing groove is spacing to locating plate and pole setting, reduces the pole setting and takes place the possibility of removing.
Optionally, a complement assembly for controlling the lifting of the plug socket is arranged on the inner bottom wall of the sliding box body, and the complement assembly comprises a driving gear, a plurality of driven gears, a plurality of screws and a plurality of sleeves.
By adopting the technical scheme, when the vertical rod is separated from the template after the template bracket system is subjected to pre-pressing treatment, the complementing component is started, and the complementing component drives the plug socket to move upwards, so that the plug socket drives the vertical rod to move towards the direction close to the template until the vertical rod is contacted with the template, and the sinking depth generated by pre-pressing is complemented.
Optionally, the driving gear and the plurality of driven gears are rotatably connected to the inner bottom wall of the sliding box body, the impulse gear is meshed with the driving gear, each screw is fixedly connected to the upper surface of the corresponding driven gear, threads are formed in the inner side wall of the sleeve, each sleeve is in threaded connection with the corresponding screw, one end, away from the driven gear, of each sleeve is fixedly connected with the lower surface of the socket, and a driving gear rotating driving motor is fixedly connected to the inner bottom wall of the sliding box body.
Through adopting above-mentioned technical scheme, when pole setting and template take place to separate, 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 the screw rod makes the sleeve to the box outside removal that slides with the sleeve cooperation, and the sleeve removes and drives the bayonet socket and the pole setting removes, 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 the 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 elevating speed as far as possible low, the lift height of control pole setting that makes operating personnel can be better.
Optionally, a plurality of driven gears are uniformly distributed on the inner bottom wall of the sliding box body.
Through adopting above-mentioned technical scheme, make the sleeve more even to the power that the plug socket provided to it is more smooth and easy when making the plug socket go up and down.
In a second aspect, the present application provides a bridge cast-in-place rapid construction method, which adopts the following technical scheme:
a bridge cast-in-place rapid construction method adopts the cast-in-place bridge formwork support system device for assembly and processing, and comprises the following steps:
s1, paving a plurality of tracks according to a construction scheme, taking a plurality of sliding boxes, a plurality of inserting seats, a plurality of vertical rods, a plurality of transverse rods and a plurality of shear braces, inserting the sliding boxes and the corresponding tracks, then installing the vertical rods on the inserting seats, and finally installing the transverse rods and the shear braces;
s2, installing a template, after the template is installed, building a pouring mold on the template, then pre-pressing the template supporting system, and observing whether the top of the upright post is separated from the template or not after pre-pressing;
s3, when the vertical rod is separated from the template after pre-pressing, starting the driving motor, and when the vertical rod is contacted with the template, closing the driving motor;
s4, when the pre-pressing is finished and the upright posts are kept to be in contact with the template, an operator injects concrete slurry into the pouring mold;
and S5, when the concrete slurry has certain strength, starting the driving motor, when the upright stanchion is separated from the template, closing the driving motor and starting the transmission motor, and when the sliding box body drives the template bracket to move to the next construction section, closing the transmission motor.
By adopting the technical scheme, the sinking depth generated after the prepressing can be more conveniently complemented by the operating personnel, the operating personnel can transfer the template support to the next construction section more conveniently, the condition that the operating personnel need to transfer the template support after dismantling is reduced, the time is saved, and the construction efficiency is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the rail, the sliding box body, the plug socket, the transmission motor, the worm wheel, the worm, the intermediate gear and the rack, an operator can transfer the template support to the next construction section more conveniently, the condition that the template support needs to be disassembled before the operator transfers 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, an operator can complement the sinking depth generated after pre-pressing more conveniently;
3. the helix lead angle of the worm is smaller than the equivalent friction angle between 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 support after the transmission motor is turned off is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a formwork support system device according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of the overall structure of a formwork support system apparatus embodying the embodiments of the present application.
Fig. 3 is an exploded view of an embodiment of the present application embodying the overall structure of a supplemental assembly.
FIG. 4 is a sectional view showing the positional relationship between the transmission assembly and the sliding box body according to the embodiment of the present application.
Fig. 5 is a sectional view showing the overall structure of the transmission assembly according to the embodiment of the present application.
Description of reference numerals: 1. a sliding box body; 11. mounting grooves; 2. a socket; 21. a strip-shaped groove; 22. a longitudinal slot; 23. a sliding groove; 24. a limiting groove; 3. a template holder; 31. erecting a rod; 32. a cross bar; 33. a shear support; 34. positioning a plate; 4. a template; 5. a supplemental component; 51. a driving gear; 52. a driven gear; 53. a screw; 54. a sleeve; 55. a drive motor; 6. a track; 7. a transmission assembly; 71. a worm; 72. a drive motor; 73. a worm gear; 74. an intermediate gear; 75. a rack.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a cast-in-place bridge formwork support system device. Referring to fig. 1 and 2, the formwork support system device comprises a plurality of sliding box bodies 1, a cavity is formed in the top surface of each sliding box body 1, an inserting seat 2 is inserted into each sliding box body 1 in a sliding mode, the formwork support system further comprises a plurality of formwork supports 3, each inserting seat 2 is provided with one formwork support 3, and a formwork 4 is arranged at the top of each formwork support 3; the inner bottom wall of the sliding box body 1 is provided with a complementary component 5 for controlling the ascending or descending of the plug socket 2. Before bridge construction, an operator lays a plurality of rails 6 according to a preset construction scheme, and the rails 6 provide a guiding effect for the movement of the sliding box body 1. Offer the mounting groove 11 with 6 looks adaptations of track on the bottom surface of box 1 slides, track 6 pegs graft in mounting groove 11, is equipped with two drive assembly 7 in mounting groove 11, two drive assembly 7 evenly distributed in the both ends of mounting groove 11.
When construction is needed, an operator firstly lays a track 6 according to a construction scheme, then installs the sliding box body 1 on the track 6 to enable the track 6 to be inserted in the installation groove 11, then installs the template support 3 on the insertion seat 2, and after the template support 3 is installed, the operator performs counterweight according to the construction scheme, performs prepressing treatment on the template support 3 by using a heavy object, and observes whether the template support 3 is separated from the template 4; when the formwork support 3 is separated from the formwork 4, the complementing assembly 5 is started, the complementing assembly 5 controls the plug socket 2 to rise along the height direction of the sliding box body 1 until the top of the formwork support 3 is contacted with the formwork 4, so that the prepressing sinking depth of the formwork support 3 is complemented, and finally, concrete can be poured into the construction section.
When the concrete of this construction section has certain strength, can remove template support 3 this moment and use to next construction section, at first start and supply subassembly 5, supply subassembly 5 control plug socket 2 to removing in the box 1 that slides, plug socket 2 removes and drives template support 3 downstream, separate until template support 3 and template 4, start drive assembly 7 after that, drive assembly 7 drives box 1 that slides and removes along track 6, box 1 that slides removes and drives plug socket 2 and template support 3 and remove, move to next construction section until template support 3. Through setting up drive assembly 7, make operating personnel can remove the template support 3 of assembling to next construction section, reduced operating personnel and demolishd template support 3 the back and carry out the operating procedure that shifts to the efficiency of construction has been improved.
Seted up a bar groove 21 on the top surface of bayonet socket 2, bar groove 21 runs through bayonet socket 2, bar groove 21's length direction sets up along track 6's length direction, four vertical grooves 22 have been seted up on bayonet socket 2's top surface, four vertical groove 22 evenly distributed are in four apex angle departments of bayonet socket 2, four vertical groove 22's length direction all is mutually perpendicular with bar groove 21's length direction, four vertical groove 22's the direction of depth sets up along the direction of height of bayonet socket 2, every vertical groove 22 all is linked together with bar groove 21. Seted up four grooves 23 that slide on bayonet socket 2, every groove 23 that slides's length direction all is the same with corresponding longitudinal groove 22's length, and every groove 23 that slides all is linked together with corresponding longitudinal groove 22, all has seted up spacing groove 24 on four grooves 23 that slide keep away from the diapire of bar groove 21 one end, and every spacing groove 24 all is linked together with corresponding bar groove 21.
The formwork support 3 comprises a plurality of upright posts 31, a plurality of cross rods 32 and a plurality of shear braces 33, wherein the number of the upright posts 31 is 4, the number of the cross rods 32 is 8, and the number of the shear braces 33 is 4; in other embodiments, the number of the upright rods 31, the cross rods 32 and the shear braces 33 can be adjusted according to actual use conditions. One end of the vertical rod 31 is fixedly connected with a positioning plate 34, the vertical rod 31 is perpendicular to the positioning plate 34, and the positioning plate 34 is matched with the limiting groove 24.
When the operator installs the formwork support 3, at first insert the locating plate 34 into the bar-shaped groove 21 from the tip of bar-shaped groove 21, then promote the pole setting 31 to the bar-shaped groove 21 middle part, when the locating plate 34 aligns with the groove 23 that slides and the pole setting 31 aligns with vertical groove 22, promote the pole setting 31, make the pole setting 31 drive the locating plate 34 along the groove 23 that slides to the direction removal of keeping away from the bar-shaped groove 21, until the locating plate 34 aligns with spacing groove 24, loosen the pole setting 31 at last, make the locating plate 34 fall to in the spacing groove 24, thereby make spacing groove 24 counter rod 31 spacing, reduce the pole setting 31 because of the shake takes place the displacement and leads to the possibility that the holding power that formwork support 3 provided template 4 changes.
After the four upright posts 31 are installed by an operator, the operator installs the cross rod 32 between two adjacent upright posts 31 through the butt fasteners, and then sequentially installs the cross rods 32, so that one cross rod 32 is connected between two adjacent upright posts 31; then, the remaining four cross bars 32 are sequentially installed, so that the four cross bars 32 are all located at one end of the upright rod 31 far away from the socket 2. After horizontal pole 32 has installed, operating personnel props the shearing force 33 and installs between two adjacent pole settings 31 through butt joint fastener, and the shearing force props 33 and is the slope form setting, and operating personnel props 33 with remaining three shearing force in proper order and installs.
After the formwork support 3 is built by an operator, the formwork 4 is installed on the tops of the four upright rods 31, so that the four upright rods 31 support one formwork 4. After the template 4 is installed, a pouring mold 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 complementing 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 engaged with the driving gear 51, the plurality of driven gears 52 are uniformly distributed on the inner bottom wall of the sliding box 1, and the number of the driven gears 52 is four in this embodiment; the radius of each of the four driven gears 52 is larger than that of the driving gear 51. A screw 53 is fixedly connected to the upper surface of each driven gear 52, and each screw 53 is coaxially arranged with the corresponding driven gear 52. Four sleeves 54 of fixedly connected with on the bottom surface of bayonet socket 2, every sleeve 54 all corresponds the setting with a screw rod 53, has seted up the screw thread on the inside wall of sleeve 54, and every sleeve 54 all with corresponding screw rod 53 threaded connection, still install drive driving gear 51 pivoted driving motor 55 on the interior diapire of box 1 that slides, the output shaft of driving motor 55 and driving gear 51 coaxial line set up.
When an operator pre-presses the template support system and finds that the template support 3 is separated from the template 4, 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 socket 2 to move towards the outside of the sliding box body 1, the plug socket 2 moves to drive the upright rod 31 to move towards the direction close to the template 4 until the upright rod 31 is contacted with the template 4, and therefore the sinking depth generated by pre-pressing is complemented. In the moving process of the plug socket 2, the four driven gears 52 are uniformly distributed on the inner bottom wall of the sliding box body 1, so that the force provided for the plug socket 2 is more uniform, and the movement of the plug socket 2 is smoother; because the radius of driving gear 51 is less than the radius of driven gear 52 to driving gear 51 rotates many weeks and drives driven gear 52 and rotate a week, makes the translation rate of bayonet socket 2 slow as far as possible, and operating personnel can be better control the removal of bayonet socket 2.
Referring to fig. 4 and 5, the transmission assembly 7 includes a worm 71 rotatably connected to two opposite groove walls of the sliding groove 23, an axis of the worm 71 is arranged along a length direction of the mounting groove 11, and a transmission motor 72 for driving the worm 71 to rotate is fixedly connected to a side wall of the sliding box 1. A worm wheel 73 is further rotatably connected to 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 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 wheel 73 of the worm 71, so that the worm wheel 73 and the worm 71 can be self-locked.
An intermediate gear 74 is fixedly connected to a 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. A rack 75 is fixedly connected to the rail 6, the rack 75 is disposed along the length of the rail 6 in the length direction, and the intermediate gear 74 is engaged with the rack 75.
After the pre-pressing operation is completed, an operator injects concrete slurry into the pouring mold, when the concrete has a 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 socket 2 and the upright rod 31 to move until the upright rod 31 is separated from the template 4.
After the upright rod 31 is separated from the template 4, the transmission motor 72 is started, the transmission motor 72 drives the worm 71 to rotate, the worm 71 rotates to drive the worm wheel 73 to rotate, the worm wheel 73 rotates to drive the intermediate gear 74 to rotate, the intermediate gear 74 is matched with the rack 75, so that the gear drives the sliding box body 1 to move along the track 6, and the sliding box body 1 moves to drive the inserting seat 2 and the template bracket 3 to move; the condition that when the formwork support 3 is transferred, an operator needs to remove the cross rod 32, the shear support 33 and the upright rod 31 and then transfer is reduced, and the construction efficiency is improved. When the formwork 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 situation that the position of the formwork support 3 is changed due to the fact that the sliding box body 1 moves along the track 6 is reduced.
The implementation principle of a cast-in-place bridge formwork support system device in the embodiment of the application is as follows: when an operator needs to build a formwork support system, firstly, the rails 6 are installed on the ground according to a construction scheme, then the sliding box body 1 is installed on the corresponding rails 6, and then the vertical rods 31, the cross rods 32 and the shear braces 33 are sequentially installed. After the upright rods 31, the cross rods 32 and the shear braces 33 are installed, the formwork 4 is installed on the upright rods 31, finally, a pouring mold is built on the formwork 4, and after the pouring mold is built, an operator performs pre-pressing treatment on a formwork supporting system.
After the top surface of the pre-pressed upright rod 31 is separated from the template 4, the driving motor 55 is started, the driving gear 51 is driven by the driving motor 55 to rotate, so that the socket 2 moves towards the outside of the sliding box 1 until the upright rod 31 contacts the template 4, and the driving motor 55 is turned off at the moment.
Then the operating personnel pours into concrete mud into the pouring mould, and when the concrete had certain intensity, operating personnel started driving motor 55, and driving motor 55 rotates and drives driving gear 51 and rotate, and driving gear 51 rotates and drives bayonet socket 2 and remove to the direction that is close to the interior diapire of box 1 that slides, and the drive motor 55 is closed to pole setting 31 and template 4 break away from the contact. And then starting the transmission motor 72, wherein the transmission motor 72 drives the intermediate gear 74 to rotate, 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 bracket 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-place rapid construction method.
A bridge cast-in-place rapid construction method adopts the formwork support system device for construction, and comprises the following steps:
s1, paving a plurality of rails 6 according to a construction scheme, taking a plurality of sliding box bodies 1, a plurality of inserting seats 2, a plurality of vertical rods 31, a plurality of cross rods 32 and a plurality of shear braces 33, then inserting the sliding box bodies 1 and the corresponding rails 6, then installing the vertical rods 31 on the inserting seats 2, and finally installing the cross rods 32 and the shear braces 33.
S2, installing the template 4, building a pouring mold on the template 4 after the template 4 is installed, pre-pressing the template supporting system by an operator after the building of the pouring mold, and observing whether the top of the vertical rod 31 is separated from the template 4 or not after the pre-pressing.
S3, when the pre-pressed upright rod 31 is separated from the template 4, the driving motor 55 is started, the output shaft of 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 rod 53 to rotate, the screw rod 53 is matched with the sleeve 54 to drive the socket 2 to move towards the outside of the sliding box body 1, the socket 2 moves to drive the upright rod 31 to move towards the direction close to the template 4 until the upright rod 31 is contacted with the template 4, and the driving motor 55 is closed.
And S4, when the pre-pressing is finished and the upright posts are kept in contact with the template 4, injecting concrete slurry into the pouring mould by an operator.
S5, when the concrete has a 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 socket 2 and the upright rod 31 to move until the upright rod 31 is separated from the formwork 4, the driving motor 55 is closed and the transmission motor 72 is started, the transmission motor 72 drives the worm 71 to rotate, the worm 71 is matched with the worm wheel 73 to drive the worm wheel 73 to rotate, the worm wheel 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 transmission motor 72 is closed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a cast-in-place bridge formwork support system device which characterized in that: the formwork support (3) system comprises a plurality of formwork supports (3) and a plurality of sliding boxes (1), wherein cavities are formed in the upper surfaces of the sliding boxes (1), an inserting seat (2) is inserted into each sliding box (1) in a sliding mode, the formwork supports (3) are installed on the inserting seat (2), a formwork (4) is installed on each formwork support (3), a pouring mold is built on each formwork (4), a plurality of tracks (6) are laid on the ground of a bridge construction place, an installation groove (11) is formed in the bottom surface of each sliding box (1), the tracks (6) corresponding to the sliding boxes (1) are inserted into the installation grooves (11), worms (71) are rotatably connected to two groove walls corresponding to the installation grooves (11), and the axes of the worms (71) are parallel to side lines of the installation grooves (11) in the length direction, the utility model discloses a rail track, including mounting groove (11), worm wheel (71), intermediate gear (74), rack (6), the last fixed surface of track (75) is connected with one and worm (71) meshing worm wheel (73) on two cell walls that mounting groove (11) corresponds, the axis of worm wheel (73) with the axis mutually perpendicular of worm (71), fixedly connected with intermediate gear (74) in the axis of rotation of worm wheel (73), the last fixed surface of track (6) is connected with rack (75), the length direction of rack (75) is followed the length direction setting of track (6), intermediate gear (74) with rack (75) meshing, fixedly connected with one drive worm (71) pivoted driving motor (72) on the box that slides (1).
2. The cast-in-place bridge formwork support system device of claim 1, wherein: the helix lead angle of the worm (71) is smaller than the equivalent friction angle between meshing teeth of the worm (71) and the worm wheel (73).
3. The cast-in-place bridge formwork support system device of claim 1, wherein: the formwork support (3) comprises a plurality of upright rods (31), a plurality of cross rods (32) and a plurality of shear braces (33), the upright rods (31) are inserted into the inserting base (2), the cross rods (32) are connected between two adjacent upright rods (31) through butt fasteners, and the shear braces (33) are also connected between two adjacent upright rods (31) through the butt fasteners.
4. The cast-in-place bridge formwork support system device of claim 3, wherein: one end of the upright rod (31) is fixedly connected with a positioning plate (34), the upper surface of the inserting seat (2) is provided with a strip-shaped groove (21), the upper surface of the inserting seat (2) is also provided with a plurality of longitudinal grooves (22), the length direction of the longitudinal grooves (22) is perpendicular to that of the strip-shaped grooves (21), the two side groove walls of the strip-shaped groove (21) are respectively provided with a plurality of sliding grooves (23), the length direction of the sliding grooves (23) is arranged in the same direction as that of the longitudinal grooves (22), each sliding groove (23) is communicated with the corresponding longitudinal groove (22), the bottom wall of each sliding groove (23) is provided with a limiting groove (24), the limiting grooves (24) are communicated with the sliding grooves (23) and the longitudinal grooves (22), and the limiting grooves (24) are matched with the positioning plate (34), the positioning plates (34) are inserted into the corresponding limiting grooves (24).
5. The cast-in-place bridge formwork support system device of claim 1, wherein: the inner bottom wall of the sliding box body (1) is provided with a complement assembly (5) for controlling the lifting of the plug socket (2), and the complement assembly (5) comprises a driving gear (51), a plurality of driven gears (52), a plurality of screws (53) and a plurality of sleeves (54).
6. The cast-in-place bridge formwork support system device of claim 5, wherein: the driving gear (51) and the driven gears (52) are rotatably connected to the inner bottom wall of the sliding box body (1), the driven gears (52) are meshed with the driving gear (51), each screw rod (53) is fixedly connected to the upper surface of the corresponding driven gear (52), threads are formed in the inner side wall of each sleeve (54), each sleeve (54) is in threaded connection with the corresponding screw rod (53), one end, far away from the driven gear (52), of each sleeve (54) is fixedly connected with the lower surface of the plug socket (2), and a driving motor (55) for driving the driving gear (51) to rotate is fixedly connected to the inner bottom wall of the sliding box body (1).
7. The cast-in-place bridge formwork support system device of claim 6, wherein: the radius of the driven gear (52) is larger than that of the driving gear (51).
8. The cast-in-place bridge formwork support system device of claim 6, wherein: the driven gears (52) are uniformly distributed on the inner bottom wall of the sliding box body (1).
9. A bridge cast-in-place rapid construction method is characterized in that: a cast-in-place bridge formwork support system apparatus as claimed in any one of claims 1 to 8, for assembly processing, comprising the steps of:
s1, paving a plurality of rails (6) according to a construction scheme, taking a plurality of sliding box bodies (1), a plurality of inserting seats (2), a plurality of vertical rods (31), a plurality of cross rods (32) and a plurality of shear braces (33), inserting the sliding box bodies (1) and the corresponding rails (6), then installing the vertical rods (31) on the inserting seats (2), and finally installing the cross rods (32) and the shear braces (33);
s2, installing a template (4), after the template (4) is installed, building a pouring mold on the template (4), then pre-pressing a support system of the template (4), and observing whether the top of the upright 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 finished and the upright posts are kept to be in contact with the template (4), the operator injects concrete slurry into the pouring mould;
s5, when the concrete has a certain strength, starting the driving motor (55), when the upright rod (31) and the template (4) are separated from each other, closing the driving motor (55) and starting the transmission motor (72), and when the sliding box body (1) drives the template bracket (3) to move to the next construction section, closing the transmission motor (72).
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