CN114658224B - Production method for improving grouting compactness of prestressed concrete beam - Google Patents

Abstract

The application relates to a production method for improving grouting compactness of a prestressed concrete beam, which is applied to the technical field of concrete pouring and comprises the following steps of: s1, building a beam template; s2, detachably and fixedly connecting a plurality of vibrating assemblies with a beam template, and grouting the beam template by a grouting machine; s3, when the height of the concrete slurry reaches an elevation line, the vibrating assembly controls the grouting machine to be closed and vibrates the concrete slurry; and S4, after the vibration is finished, the vibration assembly is disassembled, and trowelling, calendaring and maintenance treatment are sequentially carried out on the concrete slurry. The application has the effect of conveniently vibrating concrete slurry.

Description

Production method for improving grouting compactness of prestressed concrete beam

Technical Field

The application relates to the technical field of concrete pouring, in particular to a production method for improving grouting compactness of a prestressed concrete beam.

Background

At present, when concrete is poured, bubbles are often mixed in concrete slurry, and the phenomena of honeycomb pitting surface and the like can occur after the concrete is solidified.

In the related art, when a worker pours a prestressed concrete beam, the worker can use a vibrating rod to stretch into concrete slurry for vibrating, and during vibrating, part of bubbles in the concrete slurry can rise and escape from the surface of the concrete slurry.

In view of the above related art, the inventor considers that the process of waiting for the height of the concrete slurry to reach the elevation line and manually closing the grouting machine and starting the vibrating rod to vibrate the concrete slurry is troublesome, so that the improvement is needed.

Disclosure of Invention

In order to facilitate vibrating the concrete slurry, the application provides a production method for improving grouting compactness of the prestressed concrete beam.

The production method for improving grouting compactness of the prestressed concrete beam provided by the application adopts the following technical scheme:

a production method for improving grouting compactness of a prestressed concrete beam comprises the following steps:

s1, building a beam template;

s2, detachably and fixedly connecting a plurality of vibrating assemblies with a beam template, and grouting the beam template by a grouting machine;

s3, when the height of the concrete slurry reaches an elevation line, the vibrating assembly controls the grouting machine to be closed and vibrates the concrete slurry;

and S4, after the vibration is finished, the vibration assembly is disassembled, and trowelling, calendaring and maintenance treatment are sequentially carried out on the concrete slurry.

Through adopting above-mentioned technical scheme, the staff will vibrate the subassembly and install to the beam template, then with grouting machine to beam template in slip casting, when the altitude line is reached to the concrete slurry's height, the subassembly that vibrates control grouting machine is closed and is started vibrating concrete slurry, after the vibration, the subassembly that vibrates can dismantle and reuse, need not the manual work and close grouting machine and start the vibrating bar and vibrate concrete slurry, easy operation makes things convenient for the staff to vibrate concrete slurry.

Optionally, the vibration subassembly includes the vibrating plate that is used for detachably fixed connection the beam template, be fixed with vibrating motor on the vibrating plate, slide on the vibrating plate and be provided with the kickboard that is used for forming the die cavity with the beam template, the kickboard slides along the direction of the diapire of perpendicular to beam template, set up the slip casting hole on the beam template, the slip casting hole is located the kickboard below and intercommunication the die cavity, the kickboard is connected with the trigger lever, be provided with trigger switch on the vibrating plate and be located the top of trigger lever, trigger switch respectively signal connection slip casting machine with vibrating motor;

after the concrete slurry is injected into the die cavity, the concrete slurry pushes the floating plate to move upwards, when the trigger rod extrudes the trigger switch, the grouting machine stops, and the vibration motor is started.

Through adopting above-mentioned technical scheme, the staff uses the slip casting machine to slip casting in to the die cavity through the slip casting hole, along with the increase of the concrete slurry in the die cavity, the concrete slurry supports to push away the kickboard and goes upward, the kickboard drives the trigger lever and goes upward, after the trigger lever extrusion trigger switch, trigger switch sends the signal to slip casting machine and vibrating motor respectively, close after the slip casting machine received signal, vibrating motor received signal starts well, vibrating motor drives the vibrating plate vibration, the vibrating plate drives beam template and kickboard vibration, thereby realize vibrating the concrete slurry, make things convenient for the staff to vibrate the concrete slurry.

Optionally, be provided with the connecting plate on the vibrating plate, be connected with the vibrating rod that is used for inserting concrete slurry on the connecting plate, the roof of kickboard runs through and has seted up the hole of stepping down, the vibrating rod wears to locate in the hole of stepping down.

Through adopting above-mentioned technical scheme, vibrating motor drives the vibrating plate vibration, and the vibrating plate drives beam form board and kickboard vibration, and beam form board and kickboard vibrate concrete slurry from the outside, and the kickboard drives the stick vibration that vibrates, and the stick vibrates in concrete slurry, has promoted the vibration effect to concrete slurry, reduces the bubble of remaining in concrete slurry, is favorable to promoting the grout compactness.

Optionally, the vibrating plate deviates from one side of beam template is provided with the movable plate, be fixed with a plurality of universal wheels that are used for supporting ground on the movable plate.

Through adopting above-mentioned technical scheme, the universal wheel has reduced the resistance that removes the diaphragm and need overcome the diaphragm, and the staff of being convenient for removes the diaphragm.

Optionally, the roof of movable plate has run through and has seted up the slide hole, wear to be equipped with the slide bar in the slide hole, the bottom of slide bar is connected with the balancing weight, the locating hole has been seted up to the side lever wall of slide bar, slide on the movable plate and be provided with and be used for pegging graft the locating lever of locating hole.

Through adopting above-mentioned technical scheme, the staff pulls out the locating lever, and the balancing weight drives the slide bar and descends, and when the balancing weight supported the ground, the balancing weight has reduced the gliding possibility of movable plate with the frictional force on ground, is favorable to fixed movable plate. The balancing weight can balance the gravity center of the vibrating plate, and the possibility of dumping the vibrating plate is reduced.

Optionally, the vibrating plate is provided with a plurality of pieces, and a plurality of vibrating plates are followed the length direction of beam form sets gradually, adjacent two peg graft the connection between the vibrating plate.

Through adopting above-mentioned technical scheme, the staff can be according to the length adjustment vibrating plate's of beam template quantity, is favorable to the beam template of the different length of adaptation. The adjacent vibrating plates are connected in an inserting mode, and installation of workers is facilitated.

Optionally, one side of the floating plate deviating from the vibrating plate is provided with a plurality of extension plates, a plurality of the extension plates are followed the width direction of beam template sets gradually, the extension plate orientation the lateral wall of floating plate all is provided with the inserted block, the extension plate deviates from the lateral wall of floating plate all sets up the confession the slot of inserted block grafting, just the diapire of extension plate with the diapire of floating plate flushes, the floating plate orientation the lateral wall of extension plate has seted up the confession the extension groove of inserted block grafting.

Through adopting above-mentioned technical scheme, the staff can be according to the quantity of beam form's width adjustment extension board, makes floating plate cooperation extension board can form the die cavity with beam form's inner wall, is favorable to the beam form of the different width of adaptation.

Optionally, the connecting plate is provided with a plurality of, and is a plurality of the connecting plate is followed the width direction of beam form sets gradually, the connecting plate orientation the lateral wall of vibration board all is fixed with the draw-in strip, the connecting plate deviates from the lateral wall of vibration board has all seted up the confession the draw-in groove of draw-in strip joint, the vibration board orientation the lateral wall of connecting plate has seted up the confession the spread groove of draw-in strip joint.

Through adopting above-mentioned technical scheme, the staff can be according to the quantity of the width adjustment connecting plate of beam template, and then has adjusted the quantity of vibrating rod, realizes that a plurality of positions vibrate simultaneously, has further reduced the interior remaining bubble of concrete slurry, is favorable to further promoting the grout compactness. The adjacent connecting plates are connected through the clamping strips and the clamping grooves in a clamping manner, so that the mounting is convenient, and the beam templates with different widths can be adapted.

Optionally, the roof of connecting plate runs through and has seted up spacing hole, the vibrating rod wears to locate in the spacing hole, the cover is equipped with the stopper on the vibrating rod, the stopper is located the top in spacing hole, just the external diameter of stopper is greater than the aperture in spacing hole, the screw has been seted up in the outer rampart of stopper runs through, wear to be equipped with spacing nail in the screw, spacing nail spiral connection the screw just supports and pastes the vibrating rod.

Through adopting above-mentioned technical scheme, after the staff removes the stopper, can be fixed in the stopper on vibrating the stick through screwing up spacing nail, because the external diameter of stopper is greater than the aperture in spacing hole, under the action of gravity, the stopper can support the roof of connecting plate, realizes adjusting the length that the stopper was worn out to the vibrating stick to adjust the degree of depth that the vibrating stick inserted concrete slurry, be favorable to the not beam template of co-altitude of adaptation, be favorable to keeping the vibrating effect of vibrating stick when being applied to the beam template of co-altitude.

Optionally, the vibrating plate deviates from the lateral wall of roof beam template has seted up the sliding tray, be fixed with the sliding plate on the movable plate, the sliding plate slip set up in the sliding tray, the sliding plate deviate from the lateral wall screw thread cross-under of the tank bottom of sliding tray has the locating nail, the locating nail supports to paste the tank bottom of sliding tray.

Through adopting above-mentioned technical scheme, the staff unscrews the locating nail, then the position of slip adjustment sliding plate, then screws the locating nail, makes the locating nail support tight sliding tray diapire, increases the frictional force between sliding plate and the sliding tray, realizes locking the sliding plate, is favorable to adjusting the height of vibrating plate, and then adjusts trigger switch's height for when concrete slurry reached the elevation line, trigger lever extrusion trigger switch's button was favorable to adjusting trigger switch's height according to the position of elevation line.

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

the vibrating assembly is mounted on the beam template, then grouting is carried out in the beam template by using the grouting machine, when the height of the concrete slurry reaches an elevation line, the vibrating assembly controls the grouting machine to be closed and starts vibrating the concrete slurry, after the vibrating is finished, the vibrating assembly can be detached and reused, the grouting machine is not required to be closed manually, and a vibrating rod is started to vibrate the concrete slurry, so that the operation is simple, and convenience is brought to workers to vibrate the concrete slurry;

the number of the connecting plates can be adjusted according to the width of the beam template, so that the number of the vibrating bars is further adjusted, a plurality of points are vibrated at the same time, residual bubbles in concrete slurry are further reduced, and grouting compactness is further improved;

unscrewing the locating nail, then sliding the position of adjustment sliding plate, then screwing the locating nail, make the locating nail support tight sliding tray diapire, increase the frictional force between sliding plate and the sliding tray, realize locking the sliding plate, be favorable to adjusting the height of vibrating plate, and then adjust trigger switch's height for when concrete slurry reached the elevation line, trigger lever extrusion trigger switch's button was favorable to adjusting trigger switch's height according to the position of elevation line.

Drawings

Fig. 1 is a schematic structural diagram of a vibrating assembly according to an embodiment of the present application.

Fig. 2 is a schematic structural view for embodying a vibration plate in the embodiment of the present application.

Fig. 3 is a schematic structural view of the floating plate, the extension plate, the connection plate and the vibrating rod used for embodying the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals indicate, 1, beam templates; 11. grouting holes; 12. a mold cavity; 2. a vibration plate; 21. a vibration motor; 22. a lifting groove; 23. a sliding groove; 24. a screw; 25. a connecting groove; 26. a plug block; 27. a plug-in groove; 3. a floating plate; 31. a trigger lever; 311. a lifting block; 32. an extension plate; 321. inserting blocks; 322. a slot; 33. an elongated slot; 34. a relief hole; 4. triggering a switch; 5. a connecting plate; 51. a limiting hole; 511. vibrating rod; 512. a limiting block; 5121. a screw hole; 5122. a limit nail; 52. clamping strips; 521. a locking hole; 53. a clamping groove; 54. a through hole; 541. locking nails; 542. a tension spring; 6. a moving plate; 61. a sliding plate; 611. positioning nails; 62. a universal wheel; 63. a slide hole; 64. a slide bar; 641. positioning holes; 642. balancing weight; 6421. a rubber plate; 65. a mounting groove; 651. a moving block; 6511. a positioning rod; 652. a compression spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a production method for improving grouting compactness of a prestressed concrete beam, which is realized by adopting a vibrating assembly. Referring to fig. 1 and 2, the vibrating assembly includes a vibrating plate 2, the vibrating plate 2 is detachably fixed to a beam form 1 by screws 24, and a vibrating motor 21 is fixed to a side of the vibrating plate 2 facing away from the beam form 1. The lifting groove 22 is formed in one side, facing the beam template 1, of the vibration plate 2 along the vertical direction, the lifting block 311 is arranged in the lifting groove 22 in a sliding mode, the section of the lifting groove 22 along the horizontal direction is T-shaped, and one end of the lifting groove 22 penetrates through the top wall of the vibration plate 2, and the other end of the lifting groove penetrates through the bottom wall of the vibration plate 2. The bottom of the side wall of the beam template 1 perpendicular to the vibration plate 2 is provided with a grouting hole 11 in a penetrating way.

Referring to fig. 1 and 2, the vibration plate 2 is provided with a plurality of pieces, the number of vibration plates 2 in this embodiment is set to three, three vibration plates 2 are set gradually along the length direction of the beam template 1, and three vibration plates 2 are all fixed in the beam template 1 through screws 24 detachably. A plurality of inserting grooves 27 are formed in the side wall, facing the grouting holes 11, of the vibrating plates 2, a plurality of inserting blocks 26 are integrally formed in the side wall, facing away from the grouting holes 11, of the vibrating plates 2, the inserting blocks 26 are in one-to-one correspondence with the inserting grooves 27, and two adjacent vibrating plates 2 are in inserting connection with the inserting grooves 27 through the inserting blocks 26.

The staff can adjust the quantity of vibration board 2 according to the length of beam form 1, connects through grafting piece 26 and grafting groove 27 grafting between the adjacent vibration board 2, simple to operate is favorable to adapting to the beam form 1 of different length.

Referring to fig. 1, a plurality of vibration motors 21 may be provided, and the vibration motors 21 are in one-to-one correspondence with the vibration plates 2, and the vibration plates 2 are fixedly connected to the corresponding vibration motors 21. The staff can adjust the quantity of vibrating motor 21 according to the length of beam form 1, when being applied to the beam form 1 of different length, is favorable to guaranteeing the vibration effect.

Referring to fig. 3, a trigger rod 31 is fixed to a side wall of the lifting block 311 facing away from the beam template 1, and a floating plate 3 is connected to a side of the trigger rod 31 facing away from the lifting block 311. The side wall of the vibrating plate 2 facing the trigger bar 31 is fixed with a trigger switch 4, and the button of the trigger switch 4 faces the trigger bar 31 and is located right above the trigger bar 31. The trigger switch 4 is respectively connected with the grouting machine and the vibrating motor 21 in a signal way. The vibrating motor 21 drives the vibrating plate 2 to vibrate, the vibrating plate 2 drives the beam template 1 and the floating plate 3 to vibrate, the beam template 1 and the floating plate 3 vibrate the concrete slurry from the outside, the floating plate 3 drives the vibrating rod 511 to vibrate, the vibrating rod 511 vibrates in the concrete slurry, the vibrating effect on the concrete slurry is improved, bubbles remained in the concrete slurry are reduced, and grouting compactness is improved.

Referring to fig. 1 and 3, the floating plate 3 is provided with a plurality of blocks, and the floating plate 3 is connected with the vibration plate 2 in a one-to-one correspondence. A plurality of extension plates 32 are connected to one side of each floating plate 3 facing away from the vibration plate 2, and the number of extension plates 32 to which each floating plate 3 is connected in the embodiment of the present application is set to one. The extension plate 32 has the inserted block 321 towards the lateral wall integrated into one piece of kickboard 3, and the slot 322 that supplies the inserted block 321 to peg graft is seted up to the lateral wall that the extension plate 32 deviates from kickboard 3. The side wall of the floating plate 3, which is away from the vibrating plate 2, is provided with an extension groove 33 for inserting the inserting block 321. The staff can adjust the quantity of floating plates 3 according to the length and the width of beam template 1, connects through the inserted block 321 and slot 322 grafting between the adjacent extension plate 32, simple to operate is favorable to adapting to the beam template 1 of different length and width.

Referring to fig. 3, a connecting plate 5 is provided on a side wall of the vibration plate 2 facing the beam template 1, a clamping strip 52 is integrally formed on a side wall of the connecting plate 5 facing the vibration plate 2, and a clamping groove 53 is formed on a side wall of the connecting plate 5 facing away from the vibration plate 2. The connecting groove 25 has been seted up towards the lateral wall of connecting plate 5 to vibrating plate 2, and the bayonet lock 52 grafting connecting groove 25, and accessible coating glue or adopt threaded connection's mode to fix bayonet lock 52 and vibrating plate 2, be favorable to reducing the possibility that bayonet lock 52 breaks away from connecting groove 25.

Referring to fig. 1 and 3, the connection plates 5 are provided with a plurality of connection plates 5, in this embodiment, the number of connection plates 5 connected to each vibration plate 2 is two, the two connection plates 5 are arranged along the width direction of the beam template 1, and the two connection plates 5 are connected by clamping strips 52 and clamping grooves 53 in a clamping manner. The staff can adjust the quantity of connecting plate 5 according to the length and the width of beam template 1, and then has adjusted the quantity of vibrating rod 511, realizes that a plurality of positions vibrate simultaneously, has further reduced the interior remaining bubble of concrete slurry, is favorable to further promoting the compactness of grout. The adjacent connecting plates 5 are connected in a clamping way through the clamping strips 52 and the clamping grooves 53, so that the installation is convenient, and the beam templates 1 with different lengths and widths can be adapted.

Referring to fig. 3 and 4, the top wall of the connection plate 5 is provided with a through hole 54 in a penetrating manner, the through hole 54 is communicated with the clamping groove 53, a locking nail 541 is arranged in the through hole 54 in a penetrating manner, a tension spring 542 is sleeved on the locking nail 541, one end of the tension spring 542 is connected with the top end of the locking nail 541, and the other end of the tension spring 542 is connected with the top wall of the connection plate 5. The locking hole 521 is formed in the top wall of the clamping strip 52 in a penetrating mode, when the clamping strip 52 is inserted into the clamping groove 53, the through hole 54 is communicated with the locking hole 521, the tension spring 542 pulls the locking nail 541 to enable the locking nail 541 to be inserted into the locking hole 521, locking of the clamping strip 52 is achieved, and the possibility that the connecting plate 5 falls off is further reduced.

Referring to fig. 3, a limiting hole 51 is formed in the top wall of the connection plate 5, and a vibrating rod 511 is inserted into the limiting hole 51. A limiting block 512 is sleeved on the vibrating rod 511, a screw hole 5121 is formed in the side wall of the limiting block 512, a limiting nail 5122 is arranged in the screw hole 5121 in a penetrating mode, and the limiting nail 5122 is connected with the screw hole 5121 in a threaded mode and abuts against the vibrating rod 511. The top walls of the floating plate 3 and the extension plate 32 are respectively provided with a yielding hole 34 for the vibrating rod 511 to pass through. After the staff removes stopper 512, can be fixed in stopper 512 on vibrating rod 511 through screwing up spacing nail 5122, because the external diameter of stopper 512 is greater than the aperture of spacing hole 51, under the action of gravity, stopper 512 can support the roof of connecting plate 5, realizes adjusting the length that vibrating rod 511 worn out spacing hole 51 to adjust the degree of depth that vibrating rod 511 inserted concrete slurry, be favorable to the beam form 1 of adaptation not co-altitude, be favorable to keeping the vibrating effect of vibrating rod 511 when being applied to beam form 1 of co-altitude.

Referring to fig. 3, each of the vibration plates 2 has a sliding groove 23 formed in a vertical direction in a side wall facing away from the beam form 1, and a bottom end of the sliding groove 23 penetrates a bottom end of the vibration plate 2. The sliding plate 61 is arranged in the sliding groove 23 in a sliding way, the side wall of the sliding plate 61, which is away from the beam template 1, is threaded and connected with the positioning nail 611 in a penetrating way, and the positioning nail 611 is abutted against the bottom of the sliding groove 23. The side wall of the sliding plate 61 facing away from the beam template 1 is fixed with a moving plate 6, and the top wall of the moving plate 6 is perpendicular to the side wall of the sliding plate 61 facing away from the beam template 1. The bottom wall of the movable plate 6 is fixed with a plurality of universal wheels 62, and in the embodiment of the present application, four universal wheels 62 are arranged on one movable plate 6. The universal wheels 62 reduce the resistance that needs to be overcome to move the diaphragm 2 to facilitate movement of the diaphragm 2 by a worker.

The staff unscrews the locating nail 611, then slides and adjusts the position of the sliding plate 61, then screws the locating nail 611, makes the locating nail 611 abut against the bottom wall of the sliding groove 23, increases friction between the sliding plate 61 and the sliding groove 23, realizes locking the sliding plate 61, is favorable for adjusting the height of the vibrating plate 2, and then adjusts the height of the trigger switch 4, so that when the concrete slurry reaches the elevation line, the trigger rod 31 extrudes the button of the trigger switch 4, and is favorable for adjusting the height of the trigger switch 4 according to the position of the elevation line.

Referring to fig. 3, a sliding hole 63 is formed through the top wall of the moving plate 6, a sliding rod 64 is formed through the sliding hole 63, and a balancing weight 642 is fixed at the bottom end of the sliding rod 64. The side wall of the slide bar 64 is provided with a positioning hole 641, and the axis of the positioning hole 641 is perpendicular to the axis of the slide bar 64. The top wall of the moving plate 6 is provided with a mounting groove 65, the length direction of the mounting groove 65 is parallel to the axis of the positioning hole 641, a moving block 651 is slidably arranged in the mounting groove 65, and a positioning rod 6511 for inserting the positioning hole 641 is integrally formed on the top wall of the moving block 651. The staff pulls out locating lever 6511, and balancing weight 642 drives slide bar 64 and descends, and when balancing weight 642 supported the ground, balancing weight 642 and the frictional force on ground reduced the possibility that movable plate 6 slided, are favorable to fixed movable plate 6. The rubber plate 6421 is fixed on the bottom wall of the balancing weight 642, so that the friction force between the balancing weight 642 and the ground is increased, and the possibility of sliding of the moving plate 6 is further reduced. The weight 642 can balance the center of gravity of the vibration plate 2, reducing the possibility of the vibration plate 2 toppling over.

Referring to fig. 3, a compression spring 652 is provided in the installation groove 65, an axis of the compression spring 652 is parallel to a longitudinal direction of the installation groove 65, and one end of the compression spring 652 abuts against the moving block 651 and the other end abuts against a groove side wall of the installation groove 65. When the vibration plate 2 needs to be fixed, a worker pulls out the positioning rod 6511, the balancing weight 642 drives the sliding rod 64 to move downwards and abut against the ground, when the vibration plate 2 needs to be moved, the worker lifts the sliding rod 64, the pressure spring 652 abuts against the pushing block 651, the positioning rod 6511 abuts against the side wall of the sliding rod 64, when the positioning rod 6511 is opposite to the positioning hole 641, the pressure spring 652 enables the positioning rod 6511 to be inserted into the positioning hole 641 through abutting against the pushing block 651, the locking effect on the positioning rod 6511 is achieved, and the operation is more convenient.

The production method for improving grouting compactness of the prestressed concrete beam comprises the following steps of:

s1, building a beam template 1;

s11, selecting a proper number of vibrating plates 2, connecting plates 5 and extension plates 32 according to the length and the width of the beam template 1, assembling according to requirements, and trimming the length of the plate by using a cutting tool such as an electric saw;

s12, adjusting the position of the limiting block 512 and the position of the sliding plate 61 according to the height of the beam template 1 and the height of the elevation line;

s2, detachably and fixedly connecting a plurality of vibrating plates 2 with the beam template 1 through bolts 24, and simultaneously, forming a die cavity 12 by the floating plate 3, the extension plate 32 and the inner wall of the beam template 1. The floating plate 3, the extension plate 32 and the vibrating bar 511 are placed with care to avoid the positions of the reinforcing bars in the beam form 1. Then grouting into the die cavity 12 through the grouting holes 11 by using a grouting machine;

s3, when the height of the concrete slurry reaches an elevation line, the trigger rod 31 presses a button of the trigger switch 4, the trigger switch 4 respectively sends signals to the grouting machine and the vibration motor 21, the grouting machine is closed after receiving the signals, and the vibration motor 21 starts vibrating the concrete slurry after receiving the signals;

s31, stopping the vibration motor 21 by a worker when the concrete slurry is not obviously sunk, no bubbles appear, and mortar is poured on the surface, and finishing the vibration. In the embodiment of the application, the floating plate 3 can be a transparent acrylic plate, so that workers can observe the surface condition of concrete slurry conveniently;

s4, after the vibration is finished, lifting the vibrating rod and detaching the vibrating plate 2, lifting the sliding rod 64, enabling the positioning rod 6511 to be inserted into the positioning hole 641, and then moving the vibrating plate 2 to the position of the next beam template 1, or placing the vibrating plate after detaching and cleaning to wait for the next use. And then trowelling, calendaring and curing are sequentially carried out on the concrete slurry. Under the action of the floating plate 3 and the extension plate 32, the surface of the concrete slurry is already in a flattened state, and a worker can directly perform fine trowelling treatment, so that the worker can further process the concrete slurry.

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

Claims (9)

1. A production method for improving grouting compactness of a prestressed concrete beam is characterized by comprising the following steps of: the method comprises the following steps:

s1, building a beam template (1);

s2, detachably and fixedly connecting a plurality of vibrating assemblies with the beam template (1), and grouting into the beam template (1) through a grouting machine;

s3, when the height of the concrete slurry reaches an elevation line, the vibrating assembly controls the grouting machine to be closed and vibrates the concrete slurry;

s4, after the vibration is finished, the vibration assembly is disassembled, and trowelling, calendaring and maintenance treatment are sequentially carried out on the concrete slurry;

the vibrating assembly in the step comprises a vibrating plate (2) which is used for detachably and fixedly connecting the beam template (1), a vibrating motor (21) is fixed on the vibrating plate (2), a floating plate (3) which is used for forming a die cavity (12) with the beam template (1) is arranged on the vibrating plate (2) in a sliding mode, the floating plate (3) slides along the direction perpendicular to the bottom wall of the beam template (1), a grouting hole (11) is formed in the beam template (1), the grouting hole (11) is positioned below the floating plate (3) and is communicated with the die cavity (12), a trigger rod (31) is connected to the floating plate (3), a trigger switch (4) is arranged above the trigger rod (31) on the vibrating plate (2), and the trigger switch (4) is respectively connected with the grouting machine and the vibrating motor (21) in a signal mode;

after the concrete slurry is injected into the die cavity (12), the concrete slurry pushes the floating plate (3) to move upwards, when the trigger rod (31) extrudes the trigger switch (4), the grouting machine stops, and the vibrating motor (21) is started.

2. The method for improving grouting compactness of the prestressed concrete girder according to claim 1, wherein the method comprises the following steps: be provided with connecting plate (5) on vibrating plate (2), be connected with on connecting plate (5) and be used for inserting concrete slurry's vibrating rod (511), the roof of floating plate (3) is run through and is offered hole (34) of stepping down, vibrating rod (511) wear to locate in hole (34) of stepping down.

3. The method for improving grouting compactness of the prestressed concrete girder according to claim 1, wherein the method comprises the following steps: one side of the vibrating plate (2) deviating from the beam template (1) is provided with a movable plate (6), and a plurality of universal wheels (62) for abutting against the ground are fixed on the movable plate (6).

4. A method for improving grouting compactness of a prestressed concrete girder according to claim 3, wherein: the top wall of the movable plate (6) is penetrated and provided with a sliding hole (63), a sliding rod (64) is penetrated and arranged in the sliding hole (63), the bottom end of the sliding rod (64) is connected with a balancing weight (642), the side rod wall of the sliding rod (64) is provided with a positioning hole (641), and the movable plate (6) is provided with a positioning rod (6511) for being inserted into the positioning hole (641) in a sliding manner.

5. The method for improving grouting compactness of the prestressed concrete girder according to claim 1, wherein the method comprises the following steps: the vibrating plates (2) are provided with a plurality of vibrating plates (2), the vibrating plates (2) are sequentially arranged along the length direction of the beam template (1), and two adjacent vibrating plates (2) are connected in an inserting mode.

6. The method for improving grouting compactness of the prestressed concrete girder according to claim 1, wherein the method comprises the following steps: one side that floating plate (3) deviates from vibrating plate (2) is provided with a plurality of extension boards (32), and is a plurality of extension boards (32) are followed the width direction of beam form (1) sets gradually, extension board (32) orientation the lateral wall of floating plate (3) all is provided with inserted block (321), extension board (32) deviate from the lateral wall of floating plate (3) all offered supplies slot (322) of inserted block (321) grafting, just the diapire of extension board (32) with the diapire of floating plate (3) flushes, floating plate (3) orientation the confession extension groove (33) of inserted block (321) grafting have been seted up to the lateral wall of extension board (32).

7. The method for improving grouting compactness of the prestressed concrete beam according to claim 2, wherein the method comprises the following steps: connecting plate (5) are provided with a plurality of, and a plurality of connecting plate (5) are followed the width direction of beam form (1) sets gradually, connecting plate (5) orientation the lateral wall of vibrating plate (2) all is fixed with card strip (52), connecting plate (5) deviate from the lateral wall of vibrating plate (2) all has seted up supplies draw-in groove (53) of card strip (52) joint, vibrating plate (2) orientation the lateral wall of connecting plate (5) has seted up supplies spread groove (25) of card strip (52) joint.

8. The method for improving grouting compactness of the prestressed concrete beam according to claim 2, wherein the method comprises the following steps: the utility model discloses a vibrating rod, including connecting plate (5), screw (5121) has been seted up in the roof penetration of connecting plate (5), vibrating rod (511) wear to locate in spacing hole (51), the cover is equipped with stopper (512) on vibrating rod (511), stopper (512) are located the top of spacing hole (51), just the external diameter of stopper (512) is greater than the aperture of spacing hole (51), screw (5121) has been seted up in the outer rampart penetration of stopper (512), wear to be equipped with spacing nail (5122) in screw (5121), spacing nail (5122) threaded connection screw (5121) and support and paste vibrating rod (511).

9. A method for improving grouting compactness of a prestressed concrete girder according to claim 3, wherein: the vibrating plate (2) deviates from the side wall of the beam template (1) and is provided with a sliding groove (23), a sliding plate (61) is fixed on the moving plate (6), the sliding plate (61) is arranged in the sliding groove (23) in a sliding manner, the sliding plate (61) deviates from the side wall of the groove bottom of the sliding groove (23) and is threaded with a positioning nail (611) in a penetrating manner, and the positioning nail (611) abuts against the groove bottom of the sliding groove (23).

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