CN115284437B - Prefabricated bridge deck steel mould supporting device and pouring process thereof - Google Patents

Abstract

The application relates to a prefabricated bridge deck steel mould strutting arrangement belongs to prefabricated component production technical field, and it includes base and steel form, and the steel form sets up on the base, is provided with a plurality of first cylinders on the base, and the piston rod of first cylinder is fixed with the fixed block, has seted up fixed recess on the fixed block, has pegged graft in the fixed recess and has supported the curb plate, a plurality of support curb plate two liang of relative distributions. The application has the automatic die assembly and die disassembly that realize prefabricated deck slab, improves the prefabricated panel production efficiency's of bridge floor effect.

Description

Prefabricated bridge deck steel mould supporting device and pouring process thereof

Technical Field

The application relates to the technical field of prefabricated part production, in particular to a prefabricated bridge deck steel mould supporting device and a pouring process thereof.

Background

Along with the rapid development of the economy in China, bridge construction industry in China is rapidly developed, and assembly type construction is increasingly applied to bridge construction, such as prefabricated bridge decks, prefabricated piers and the like.

When the prefabricated bridge deck is produced, steel bars are usually required to be positioned and bound on a steel bottom die, then a plurality of cushion blocks are placed on the steel bottom die, the cushion blocks are plugged at the binding positions of transverse steel bars and longitudinal steel bars, so that the space of a concrete protection layer is reserved, then a block of steel side dies are spliced end to end and enclose the steel bars, then pouring and vibrating of precast deck concrete are carried out, and finally concrete curing and demolding are carried out, so that the production of the prefabricated bridge deck is realized.

Aiming at the related technology, in the production process of the prefabricated bridge deck, a steel side module needs to be manually dismantled, so that the production efficiency of the prefabricated bridge deck is affected.

Disclosure of Invention

In order to realize the demolding efficiency of prefabricated bridge deck slab to accelerate the production progress of prefabricated bridge deck slab, this application provides a prefabricated bridge deck slab steel mould strutting arrangement and pouring technology thereof.

In a first aspect, the present application provides a prefabricated bridge deck steel form strutting arrangement that adopts following technical scheme:

the utility model provides a prefabricated bridge deck steel mould strutting arrangement and pouring technology thereof, includes base and steel form, the steel form sets up on the base, be provided with a plurality of first cylinders on the base, the piston rod of first cylinder is fixed with the fixed block, set up fixed recess on the fixed block, peg graft in the fixed recess and have the support curb plate, a plurality of support curb plate two liang of relative distributions.

Through adopting above-mentioned technical scheme, after the ligature reinforcing bar on the steel form, start a plurality of first cylinders, first cylinder drives and supports the curb plate and remove, make a plurality of support curb plates be close to each other and end to end forms the enclosure space, then carry out the pouring of concrete, after the concrete shaping, start a plurality of first cylinders again, make a plurality of support curb plates keep away from each other, thereby accomplish the formwork of prefabricated bridge deck fast and the form of dismantling, the construction method of manual template demolishment has been replaced, the construction efficiency of formwork and form of dismantling has been improved, the production duration of prefabricated bridge deck has been shortened.

Optionally, a plurality of first holes have been seted up along its length direction to the support curb plate, two corresponding first holes one-to-one on the support curb plate, sliding connection has a plurality of baffles in the support curb plate, baffle and first hole one-to-one, the second hole has been seted up on the baffle, first hole and second hole intercommunication, be provided with first lift bar on the baffle, a plurality of first lift bar all stretches out from the support curb plate top, the one end that support curb plate was kept away from to first lift bar is connected with the second lift bar, the both ends at support curb plate top all are provided with spacing recess, be provided with the stopper in the spacing recess, the second lift bar supports on the stopper, be provided with a plurality of drive assembly on the base, drive assembly and first hole one-to-one.

Through adopting above-mentioned technical scheme, the reinforcing bar of prefabricated decking passes through drive assembly and transmits, and the reinforcing bar passes first hole and the second hole of a support curb plate simultaneously, then the reinforcing bar passes from first hole and the second hole on another support curb plate corresponding with this support curb plate to realize the location of reinforcing bar fast. And then lifting the second lifting rod, driving the first lifting rod to move by the second lifting rod, and driving the baffle plate to move upwards by the first lifting rod, and lifting the steel bar by the baffle plate so as to reserve a steel bar protection layer.

The traditional construction mode of marking off the location reinforcing bar on the steel form has been replaced to this reinforcing bar locate mode, and this mode of reserving the reinforcing bar protective layer has replaced the traditional construction mode of needing to plug down the cushion in the ligature department of reinforcing bar, and then has improved the efficiency of construction that reinforcing bar location and reinforcing bar protective layer were reserved to the construction period of prefabricating the bridge deck has been shortened.

Optionally, the drive assembly includes motor and first driving disk, the motor all sets up in the base, the axis of rotation of motor stretches out from the base, be fixed with the second driving disk in the axis of rotation of motor, first driving disk rotates to be connected on the base, first driving disk and second driving disk set up relatively, the side of first driving disk is equipped with the screw thread along its circumference, the side of second driving disk is equipped with the screw thread along its circumference, the screw thread of first driving disk and the screw thread of second driving disk all mesh with the screw thread on the reinforcing bar, be equipped with the passageway between first driving disk and the second driving disk, first hole and passageway one-to-one.

Through adopting above-mentioned technical scheme, place the one end of reinforcing bar between first driving disk and second driving disk, then start the motor, the second driving disk drives the reinforcing bar and removes, first driving disk rotates and plays limiting displacement to the reinforcing bar along with the reinforcing bar removal of reinforcing bar, then the reinforcing bar passes from the first hole on one supporting side board under the effect of first driving disk, wear out from the first hole on another corresponding supporting side board, thereby realize the automatic positioning of reinforcing bar, make the interval between the reinforcing bar obtain accurate control, the construction method of manual positioning reinforcing bar has been replaced simultaneously, the efficiency of construction and the construction quality of reinforcing bar location have been improved.

Optionally, be provided with the support body on the base, be provided with a plurality of spacing subassemblies on the support body, a plurality of spacing subassemblies all set up in the top of steel form.

Through adopting above-mentioned technical scheme, the reinforcing bar passes the back from the first hole on the one support curb plate, through spacing subassembly, wears out from the first hole on another support curb plate that corresponds at last, through spacing subassembly to the spacing of reinforcing bar, has reduced when the length of reinforcing bar is longer, because the reinforcing bar receives the dead weight and takes place the deformation and lead to the condition of the unable first hole of aiming at on another support curb plate of reinforcing bar.

Optionally, the support body includes a plurality of stands and first hanger plate, two are adjacent be connected with the crossbeam between the stand, wherein two are parallel to each other be connected with the longeron between the crossbeam, first hanger plate is connected in the bottom of longeron, the bottom of first hanger plate is provided with the second cylinder, the piston rod of second cylinder is fixed with the second hanger plate, spacing subassembly is arranged along the length direction equidistance of second hanger plate.

By adopting the technical scheme, the second air cylinder is started, and the second air cylinder drives the second hanging plate to move towards the direction close to the steel template, so that the limiting assembly corresponds to the first hole, and the steel bar can smoothly pass through the first hole and the limiting assembly.

Optionally, spacing subassembly includes third cylinder and two first lifting plates, the third cylinder sets up the bottom at the second lifting plate, two first lifting plates all articulates the bottom at the second lifting plate, the third cylinder is located between two first lifting plates, two the one end that the second lifting plate was kept away from to first lifting plate all articulates there is the second lifting plate, two the crisscross setting of second lifting plate, and two the second lifting plate articulates mutually in the intersection, the piston rod of third cylinder is fixed with the pin joint of two second lifting plates, two the semicircle pipe is all fixed to the one end that the first lifting plate was kept away from to the second lifting plate, semicircle pipe tip and the first hole one-to-one on the support curb plate.

By adopting the technical scheme, when the second lifting plate descends to the designated height, the semicircular pipe is opposite to the first hole, then the third cylinder is started, the piston rod of the third cylinder drives the hinge shaft between the two second lifting plates to move downwards, and the two second lifting plates drive the two semicircular pipes to be close to each other and form a channel for a reinforcing steel bar to pass through;

and then the reinforcing steel bar passes through the first hole and then passes through the closed pipeline, and finally passes through the first hole in the other support side plate, so that the automatic positioning of the reinforcing steel bar is finished, and the situation that the reinforcing steel bar cannot be aligned with the first hole in the other support side plate due to the influence of the dead weight of the reinforcing steel bar in the automatic positioning process is reduced.

Optionally, the one end that the crossbeam was kept away from to the stand rotates and is connected with the rolling disc, annular rail has been seted up on the base, rolling disc and annular rail sliding connection.

Through adopting above-mentioned technical scheme, when promoting one of them stand, all can remove along annular track for all other stands to realized the rotation of hanger plate, and then made the semicircle pipe rotate, make things convenient for the semicircle pipe to carry out spacingly to the reinforcing bar of different directions.

In a second aspect, the present application provides a prefabricated bridge deck casting process that adopts the following technical scheme:

a precast bridge deck pouring process comprises the following steps: s1, positioning reinforcing steel bars; s2, binding reinforcing steel bars; s3, splicing and installing templates; s4, pouring concrete; s5, curing the concrete; s6, removing the die.

By adopting the technical scheme, the reinforcement positioning and reinforcement binding are performed first and then the support side die splicing is performed, so that a large construction space is provided, and convenience is brought to workers for reinforcement binding.

Optionally, in step S1, the reinforcement bar passes through a channel between the first driving disc and the second driving disc, and then the reinforcement bar passes through the first holes of the two corresponding supporting side plates.

By adopting the technical scheme, the construction mode of marking on the steel template and then positioning the steel bar is replaced, and the steel bar positioning efficiency is improved.

Optionally, in step S3, the first cylinder drives the support side plates to move, and the plurality of support side plates are connected in an ending manner; in step S6, the first cylinder drives the support side plates to move, and a plurality of support side plates are far away from each other.

Through adopting above-mentioned technical scheme, the removal concatenation of supporting the curb plate has replaced traditional manual work concatenation template, and the removal separation of supporting the curb plate has replaced traditional manual work form removal to prefabricated bridge deck's efficiency of construction has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first cylinder drives the support side plates to move, so that automatic formwork supporting of the prefabricated bridge deck and simultaneous dismantling of a plurality of support side dies are realized, a manual formwork dismantling mode of prying apart a piece of steel side dies is replaced, and the formwork dismantling efficiency is improved;

2. the steel bars pass through the first transmission disc and the second transmission disc, then pass through the first holes of the support side plates, pass through the semicircular tubes and then pass through the first holes of the other support side plates, so that the automatic positioning of the steel bars is realized, the traditional mode of marking and positioning the steel bars is replaced, the construction period of steel bar positioning is shortened, and the production efficiency of the prefabricated bridge deck is improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an embodiment of the present application for embodying a motor.

Fig. 3 is an enlarged schematic view of the portion a in fig. 1.

Fig. 4 is a schematic structural view of an embodiment of the present application for embodying a second hanger plate.

Fig. 5 is an enlarged schematic view of the portion B in fig. 4.

Fig. 6 is a schematic structural view of a baffle according to an embodiment of the present application.

Fig. 7 is a schematic flow chart of a casting process according to an embodiment of the present application.

Reference numerals illustrate: 1. a base; 11. a steel template; 12. a first cylinder; 13. a fixed block; 131. a fixing groove; 14. an endless track; 2. supporting the side plates; 21. a first hole; 22. a baffle; 221. a second hole; 23. a first lifting lever; 24. a second lifting lever; 25. a limit groove; 26. a limiting block; 3. a transmission assembly; 31. a motor; 32. a first drive plate; 33. a second drive plate; 4. a frame body; 41. a column; 42. a rotating disc; 43. a cross beam; 44. a longitudinal beam; 45. a first hanger plate; 46. a second cylinder; 47. a second hanger plate; 5. a limit component; 51. a third cylinder; 52. a first lift plate; 53. a second lift plate; 54. a semicircular tube.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a prefabricated bridge deck steel mould supporting device and a pouring process thereof.

Referring to fig. 1, a prefabricated bridge deck steel form supporting device comprises a base 1, a steel form 11 and four supporting side plates 2, wherein the top surface of the base 1 is square, eight first air cylinders 12 are arranged on the base 1, every two first air cylinders 12 are in a group, the prefabricated bridge deck steel form supporting device is divided into four groups of first air cylinders 12 in total, and each group of first air cylinders 12 corresponds to one side edge of the top surface of the base 1. The piston rod of the first air cylinder 12 is connected with a fixed block 13, the fixed block 13 is provided with a fixed groove 131, the fixed blocks 13 of the two first air cylinders 12 in the same group are corresponding, the fixed grooves 131 on the fixed block 13 in the same group are distributed relatively, the fixed groove 131 is provided from the top surface of the fixed block 13 and penetrates out from the side surface of the fixed block 13, and the fixed grooves 131 of the two first air cylinders 12 in the same group are arranged relatively. Two ends of the supporting side plate 2 are respectively inserted into two opposite fixing grooves 131, and four supporting side plates 2 are respectively parallel to four side edges of the top surface of the base 1. The steel template 11 is fixed on the base 1, and the steel template 11 is positioned among the four supporting side plates 2.

The support side plate 2 is provided with a plurality of first holes 21, the plurality of first holes 21 are arranged at equal intervals along the length direction of the support side plate 2, the first holes 21 are waist-shaped holes, and the first holes 21 on two support side plates 2 which are parallel to each other correspond to each other one by one. A plurality of transmission assemblies 3 for conveying reinforcing steel bars are arranged on the base 1, and the transmission assemblies 3 are in one-to-one correspondence with the first holes 21. The base 1 is provided with an annular track 14, the annular track 14 is rotationally connected with a frame body 4, and the frame body 4 is provided with a plurality of limiting assemblies 5 for supporting and limiting reinforcing steel bars.

In the use process, the transmission component 3 on one side edge of the base 1 drives the transverse steel bars to pass through the first holes 21 on one supporting side plate 2, then the limiting component 5 limits the transverse steel bars, and then the transverse steel bars pass through the first holes 21 on the other opposite supporting side plate 2, so that the positioning of the transverse steel bars is completed. The frame body 4 is then rotated to adjust the orientation of the spacing assembly 5, and the above operation is repeated, so that the transmission assembly 3 on the other side of the base 1 passes the longitudinal bar between the other two opposite supporting side plates 2, thereby completing the positioning of the longitudinal bar.

Then binding the longitudinal steel bars and the transverse steel bars manually, starting eight first air cylinders 12, pushing the support side plates 2 to move by the first air cylinders 12, enabling the four support side plates 2 to be close to each other and connected end to form a casting area with the four sides being sealed, and then casting concrete. After the concrete is solidified and formed and curing is completed, the first cylinder 12 is started to separate the four support side plates 2 from each other, so that the production of the prefabricated bridge deck is completed.

Through the cooperation of first hole 21 and drive assembly 3, realized the automatic positioning of reinforcing bar, replaced traditional construction mode that is drawn a line earlier and then artifical location reinforcing bar on steel template 11. The rapid formwork supporting and rapid formwork removing of the prefabricated bridge deck are realized through the movement of the supporting side plates 2, the manual construction modes of splicing a steel side formwork and removing a steel side formwork are replaced, the construction efficiency of steel bar positioning, formwork installation and formwork removal is improved, and therefore the production efficiency of the prefabricated bridge deck is integrally shortened.

As shown in fig. 1 and 2, the transmission assembly 3 includes a motor 31 and a first transmission disc 32, the motor 31 is disposed in the base 1, a rotation shaft of the motor 31 extends from the base 1, a second transmission disc 33 is coaxially fixed on the rotation shaft of the motor 31, the first transmission disc 32 is rotatably connected to the base 1, the first transmission disc 32 and the second transmission disc 33 are relatively distributed, a channel is reserved between the first transmission disc 32 and the second transmission disc 33, and the channel corresponds to the first hole 21 one by one. Threads are arranged on the side surface of the first transmission disc 32 and the side surface of the second transmission disc 33, the reinforcing steel bar passes through between the first transmission disc 32 and the second transmission disc 33, and the threads of the first transmission disc 32 and the threads of the second transmission disc 33 are meshed with the threads on the reinforcing steel bar.

In the use, place the reinforcing bar in the passageway between first driving disk 32 and second driving disk 33, then start motor 31, motor 31 drives second driving disk 33 and rotates, and second driving disk 33 drives the reinforcing bar and moves towards the direction that is close to first hole 21, and first driving disk 32 rotates and carries out spacingly to the reinforcing bar simultaneously under the removal of reinforcing bar to accomplish the automatic positioning of reinforcing bar, improved the efficiency of construction of reinforcing bar location.

As shown in fig. 1, 3 and 4, the frame body 4 includes four upright posts 41, the lower ends of the four upright posts 41 are all rotatably connected with rotating discs 42, and the four rotating discs 42 are all slidably connected in the annular track 14. The cross beams 43 are arranged between every two adjacent upright posts 41, the number of the cross beams 43 is four, and the four cross beams 43 are connected end to form a rectangular frame. A longitudinal beam 44 is arranged between two parallel cross beams 43, one end of the longitudinal beam 44 is fixed in the middle of one cross beam 43, and the other end of the longitudinal beam 44 is fixed in the middle of the other cross beam 43. The middle part of longeron 44 is fixed with first hanger plate 45, and the bottom of first hanger plate 45 is fixed with a second cylinder 46, and second cylinder 46 is located the middle part of first hanger plate 45, and the piston rod of second cylinder 46 is fixed with second hanger plate 47, and a plurality of spacing subassemblies 5 are arranged along the length direction equidistance of second hanger plate 47.

In the use process, the second air cylinder 46 is started, and then the second air cylinder 46 drives the second hanging plate 47 to move towards the direction close to the steel template 11, so that the limiting component 5 corresponds to the first hole 21, and after the transverse reinforcing steel bar passes through the first hole 21, the limiting component 5 positions the transverse reinforcing steel bar.

After the transverse steel bars are positioned, the limiting assembly 5 releases the limitation of the transverse steel bars, then the second air cylinder 46 is started, the second air cylinder 46 drives the second hanging plate 47 to ascend, then the upright column 41 is manually pushed, the rotating disc 42 on the upright column 41 moves along the annular track 14, so that the upright column 41 drives the cross beam 43 and the longitudinal beam 44 to rotate, the longitudinal beam 44 drives the first hanging plate 45 to rotate, the first hanging plate 45 drives the second hanging plate 47 to rotate, after the second hanging plate 47 rotates by 90 degrees, the longitudinal steel bars pass through the space between the first driving disc 32 and the second driving disc 33, the motor 31 is started, the longitudinal steel bars pass through the first hole 21 to be positioned, and after the longitudinal steel bars pass through the first hole 21, the limiting assembly 5 limits the longitudinal steel bars. The second hanger plate 47 is driven to rotate by the upright 41, so that the direction of the limiting assembly 5 is adjusted, and the limiting assembly 5 can limit the transverse steel bars and the longitudinal steel bars.

As shown in fig. 4 and 5, the limiting assembly 5 includes a third cylinder 51 and two first lifting plates 52, the third cylinder 51 is fixed at the bottom of the second lifting plate 47, the two first lifting plates 52 are hinged at the bottom of the second lifting plate 47, the first lifting plates 52 are perpendicular to the second lifting plate 47, and the third cylinder 51 is located between the two first lifting plates 52. The two first lifting plates 52 are hinged with the second lifting plates 53 at the end far away from the second lifting plates 47, the two second lifting plates 53 of the same limiting assembly 5 are mutually staggered, the two second lifting plates 53 are mutually hinged at the staggered position, and the piston rod of the third air cylinder 51 is fixed on the hinge shafts of the two second lifting plates 53. The ends of the two second lifting plates 53 far away from the first lifting plate 52 are respectively fixed with a semicircular pipe 54, and the ends of the semicircular pipes 54 are in one-to-one correspondence with the first holes 21.

In the use process, the third air cylinder 51 is started, the third air cylinder 51 drives the hinge shaft between the two second lifting plates 53 to move downwards, at the moment, the two second lifting plates 53 drive the two semicircular pipes 54 to be close to each other, the two semicircular pipes 54 enclose a pipeline, the reinforcing steel bar passes through the first hole 21 and then passes through the pipeline enclosed by the two semicircular pipes 54, then the transverse reinforcing steel bar passes through the first hole 21 on the other supporting side plate 2, then the third air cylinder 51 lifts the hinge shaft between the two second lifting plates 53 upwards, and the two second lifting plates 53 drive the two semicircular pipes 54 to be opened, so that the positioning of the reinforcing steel bar is completed. Thereby reducing the occurrence of bending deformation of the end portion of the reinforcing bar affected by the self weight, and causing the condition that the reinforcing bar cannot pass through the first hole 21 of the other supporting side plate 2.

As shown in fig. 6, a plurality of baffles 22 are arranged in the supporting side plate 2, a plurality of sliding grooves for sliding the baffles 22 are formed in the supporting side plate 2, the baffles 22 are distributed at equal intervals along the length direction of the supporting side plate 2, second holes 221 matched with the reinforcing steel bars are formed in the baffles 22, the baffles 22 are in one-to-one correspondence with the first holes 21, the first holes 21 are communicated with the second holes 221, one end, far away from the base 1, of the baffles 22 is provided with a first lifting rod 23, the first lifting rod 23 extends upwards out of the supporting side plate 2, the top of the supporting side plate 2 is provided with a second lifting rod 24, and one end, far away from the supporting side plate 2, of the plurality of first lifting rods 23 is connected to the same second lifting rod 24. Limiting grooves 25 are formed in two ends of the top of the supporting side plate 2, limiting blocks 26 are inserted into the limiting grooves 25, one side of each limiting block 26 extends out of each limiting groove 25 for 2-5 cm, and the second lifting rod 24 is supported on the two limiting blocks 26.

In the use, the reinforcing bar is penetrated from the first hole 21 and the second hole 221 of a support curb plate 2 simultaneously, is worn out from the first hole 21 and the second hole 221 of another corresponding support curb plate 2, and after the reinforcing bar ligature is accomplished, the second lift bar 24 on two opposite support curb plates 2 is upwards lifted by the manual work, and at this moment second lift bar 24 drives first lift bar 23 to move upwards, and first lift bar 23 drives baffle 22 to move upwards, and then baffle 22 on two opposite support curb plates 2 lifts the reinforcing bar upwards to leave the space between reinforcing bar and steel form 11 and act as the reinforcing bar protective layer. The construction mode that a plurality of cushion blocks are respectively plugged at the bottom of the steel bar binding part is replaced, so that a steel bar protection layer is reserved, the construction efficiency of the steel bar protection layer is improved, and the production period of the prefabricated bridge deck is shortened.

The implementation principle of the embodiment of the application is as follows: the second cylinder 46 is started first, so that the second cylinder 46 drives the second hanger plate 47 to move downwards, the second hanger plate 47 drives the semicircular tube 54 to move downwards, when the semicircular tube 54 moves to correspond to the first hole 21, the second cylinder 46 is closed, the third cylinder 51 is started, and the third cylinder 51 drives the two corresponding semicircular tubes 54 to approach each other and form a pipeline for the steel bar to pass through. The third cylinder 51 is closed, then the transverse steel bar passes through the space between the first transmission disc 32 and the second transmission disc 33, the motor 31 is started, the motor 31 drives the second transmission disc 33 to rotate, the second transmission disc 33 drives the transverse steel bar to pass through the first hole 21 of one supporting side plate 2, then the transverse steel bar passes through the channel enclosed by the two semicircular pipes 54 and passes out of the first hole 21 of the other supporting side plate 2, and the positioning of the transverse steel bar is finished by repeating the above operation for a plurality of times.

The third cylinder 51 is then activated to move the two semicircular pipes 54 upward and away from each other, the third cylinder 51 is closed, and then the second cylinder 46 is activated to lift the second hanger plate 47 upward. Then, the upright 41 is pushed to move the upright 41 along the endless track 14, thereby completing ninety-degree rotation of the second hanger plate 47, and then the third cylinder 51 is activated again to move the hanger plate downward, and the operation of positioning the transverse reinforcing bars is repeated, thereby completing positioning of the longitudinal reinforcing bars.

Binding the lap joint of the transverse steel bars and the longitudinal steel bars by adopting binding wires. And then the second lifting rod 24 is moved upwards, so that the first lifting rod 23 drives the baffle 22 to move upwards, and the baffle 22 drives the reinforcing steel bars to lift up for 2-3 cm as a whole, thereby completing the reservation of the reinforcing steel bar protection layer.

Then, eight first air cylinders 12 are started, the eight first air cylinders 12 drive four support side plates 2 to be connected end to end, then pouring and curing of precast bridge deck concrete are carried out, after the concrete is completely formed, the first air cylinders 12 are started again to enable the four support side plates 2 to be far away from each other, then one support side plate 2 is pulled out of two limit grooves 25, and then the precast bridge deck is transported away from the base 1 by a forklift, so that production and transportation of the precast bridge deck are completed. By realizing automatic positioning of the reinforcing steel bars, rapid reservation of a reinforcing steel bar protection layer, automatic installation of the templates and automatic dismantling of the templates, the production efficiency of the prefabricated bridge deck is improved.

As shown in fig. 7, the embodiment of the application further provides a pouring process for the prefabricated bridge deck steel mould supporting device, which comprises the following steps: s1, positioning reinforcing steel bars; s2, binding reinforcing steel bars; s3, splicing and installing templates; s4, pouring concrete; s5, curing the concrete; s6, removing the die.

In the positioning of the reinforcing bars in step S1, after the reinforcing bars pass through the second holes 221, a sealing ring is sleeved on the end portions of the reinforcing bars before the reinforcing bars pass through the semicircular pipes 54, and meanwhile, the sealing ring is made to abut against the supporting side plates 2, so that concrete flowing into the supporting side plates 2 and solidifying in the sliding grooves of the supporting side plates 2 is reduced, and the sliding condition of the baffle 22 in the supporting side plates 2 is affected.

In the step S2 of steel bar binding, binding between the transverse steel bars and the longitudinal steel bars is carried out by adopting binding wires, and meanwhile, a binding mode of one-by-one separation is adopted, and binding points between two adjacent steel bars are staggered to enable the binding points to be distributed in a diamond shape.

In the step S2 of binding the steel bars, the baffle plates 22 lift the two ends of the steel bars, so that the distance between the two ends of the steel bars and the steel templates 11 and between the two ends of the steel bars and the steel templates 11 is 3-4 cm, and the distance between the middle parts of the steel bars and the steel templates 11 is 1.5-2 cm after the middle parts of the steel bars are naturally bent downwards.

In the step S3, the templates are spliced and installed, the four support side plates 2 are mutually close and connected end to end, the support side plates 2 are used as side dies of the prefabricated bridge deck, and the steel templates 11 are used as bottom dies of the prefabricated bridge deck.

In the step S4 of pouring concrete, the concrete is vibrated by adopting a vibrating rod, the vibrating rod is in a form of quick insertion and slow extraction, the vibrating rod is required to be inserted to a depth of five centimeters from the steel template 11 each time, the concrete is vibrated until no bubble emerges from the concrete, and the vibrating rod is inserted every 10-15 centimeters in the pouring process of the prefabricated bridge deck.

In the step S5 concrete curing, after the concrete vibration is finished, trowelling is adopted on the surface of the concrete, then a layer of film is covered on the surface of the concrete, and early cracks of the concrete are reduced due to internal stress generated by insufficient water in the hydration process of the concrete.

In the step S6, after the concrete curing is completed, the four support side plates 2 are separated from each other, so that the removal of the template is completed, and then the slurry around the concrete is knocked out, and the slurry is cleaned.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. A prefabricated bridge deck steel mould strutting arrangement which characterized in that: the novel steel molding device comprises a base (1) and a steel molding plate (11), wherein the steel molding plate (11) is arranged on the base (1), a plurality of first air cylinders (12) are arranged on the base (1), a piston rod of each first air cylinder (12) is fixedly provided with a fixed block (13), each fixed block (13) is provided with a fixed groove (131), each fixed groove (131) is internally provided with a supporting side plate (2), and a plurality of supporting side plates (2) are distributed in a pairwise opposite mode;

the support side plate (2) is provided with a plurality of first holes (21) along the length direction of the support side plate, the first holes (21) on the support side plate (2) are distributed in a relative mode, a plurality of baffle plates (22) are connected in a sliding mode in the support side plate (2), the baffle plates (22) are in one-to-one correspondence with the first holes (21), the baffle plates (22) are provided with second holes (221), the first holes (21) are communicated with the second holes (221), the baffle plates (22) are provided with first lifting rods (23), a plurality of first lifting rods (23) extend out of the top of the support side plate (2), one end, far away from the support side plate (2), of each first lifting rod (23) is connected with a second lifting rod (24), limiting grooves (25) are formed in two ends of the top of the support side plate (2), limiting grooves (25) are internally provided with limiting blocks (26), the second rods (24) are supported on the limiting blocks (26), the base (1) are provided with transmission components (3) and the transmission components (3) are in one-to-one correspondence with the first lifting components (21).

The base (1) is provided with a frame body (4), the frame body (4) is provided with a plurality of limiting assemblies (5), and the limiting assemblies (5) are all arranged above the steel template (11);

the frame body (4) comprises a plurality of upright posts (41) and first hanging plates (45), a cross beam (43) is connected between two adjacent upright posts (41), longitudinal beams (44) are connected between two cross beams (43), the first hanging plates (45) are fixed at the bottoms of the longitudinal beams (44), second air cylinders (46) are arranged at the bottoms of the first hanging plates (45), second hanging plates (47) are fixed on piston rods of the second air cylinders (46), and limiting assemblies (5) are arranged at equal intervals along the length direction of the second hanging plates (47);

the transmission assembly (3) comprises a motor (31) and a first transmission disc (32), wherein the motor (31) is arranged in the base (1), a rotating shaft of the motor (31) extends out of the base (1), a second transmission disc (33) is fixed on the rotating shaft of the motor (31), the first transmission disc (32) is rotationally connected to the base (1), the first transmission disc (32) and the second transmission disc (33) are oppositely arranged, threads are arranged on the side face of the first transmission disc (32) along the circumferential direction of the side face, threads are arranged on the side face of the second transmission disc (33) along the circumferential direction of the side face, the threads of the first transmission disc (32) and the threads of the second transmission disc (33) are meshed with the threads on the reinforcing steel bars, a channel is reserved between the first transmission disc (32) and the second transmission disc (33), and the first hole (21) corresponds to the channel one by one.

2. The precast bridge deck steel form support apparatus of claim 1, wherein: spacing subassembly (5) are including third cylinder (51) and two first lifting plates (52), third cylinder (51) set up in the bottom of second lifting plate (47), two first lifting plates (52) all articulate in the bottom of second lifting plate (47), third cylinder (51) are located between two first lifting plates (52), two first lifting plates (52) keep away from the one end of second lifting plate (47) and all articulate second lifting plates (53), two second lifting plates (53) are crisscross to be set up, and two second lifting plates (53) are articulated mutually in crisscross department, the piston rod of third cylinder (51) is fixed with the articulated shaft of two second lifting plates (53), two second lifting plates (53) keep away from the one end of first lifting plates (52) and all fix semicircle pipe (54), semicircle pipe (54) tip and support first hole (21) one-to-one on curb plate (2).

3. The precast bridge deck steel form support apparatus of claim 1, wherein: one end of the upright post (41) far away from the cross beam (43) is rotationally connected with a rotating disc (42), the base (1) is provided with an annular track (14), and the rotating disc (42) is in sliding connection with the annular track (14).

4. A precast bridge deck pouring process is characterized in that: use of a prefabricated deck slab steel form support device according to any one of claims 1-3, comprising the steps of: s1, positioning reinforcing steel bars; s2, binding reinforcing steel bars; s3, splicing and installing templates; s4, pouring concrete; s5, curing the concrete; s6, removing the die.

5. The precast bridge deck casting process according to claim 4, wherein: in step S1, the bars pass through the channel between the first driving disc (32) and the second driving disc (33), and then the bars pass through the first holes (21) of the two corresponding supporting side plates (2).

6. The precast bridge deck casting process according to claim 4, wherein: in step S3, the first cylinder (12) drives the support side plates (2) to move, and a plurality of support side plates (2) are connected end to end; in step S6, the first cylinder (12) drives the support side plates (2) to move, and a plurality of support side plates (2) are far away from each other.

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