CN115302614B

CN115302614B - Prefabricated template equipment of section roof beam for ocean engineering construction

Info

Publication number: CN115302614B
Application number: CN202211243654.8A
Authority: CN
Inventors: 杨明波; 梁海斌; 刘学深; 赵建军; 张兆奎
Original assignee: Shandong Tieying Construction Engineering Co ltd
Current assignee: Shandong Tieying Construction Engineering Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2022-12-20
Anticipated expiration: 2042-10-12
Also published as: CN115302614A

Abstract

The invention belongs to the technical field of ocean water conservancy projects, and particularly relates to a section beam prefabricated formwork device for ocean engineering construction. The invention makes part of concrete enter the connecting cylinder and solidify the connecting cylinder and the inner wall of the prefabricated hole at the position of the connecting hole which is attached to the prefabricated hole, thereby improving the stability and firmness of direct pouring connection of two prefabricated formworks in a larger gap by utilizing the arrangement of the connecting cylinder and the connecting plate which extend into the connecting cylinder.

Description

Prefabricated template equipment of section roof beam for ocean engineering construction

Technical Field

The invention relates to the technical field of ocean hydraulic engineering, in particular to a section beam prefabricated formwork device for ocean engineering construction.

Background

The hydraulic engineering of ocean engineering often needs to build a bridge, and is built through a prefabricated template at present, and the segment prefabrication and assembly construction method is to cut the whole beam body along the direction perpendicular to the longitudinal axis of the bridge, divide the beam body into a plurality of segments, convert and decompose the space design coordinate of the bridge to be built into the precontrol coordinate of each segment in a prefabrication plant, and manufacture all the segments one by one in the prefabrication plant by adopting a close-fit, embedding and matching pouring method.

During actual operation, the prefabricated template of section roof beam with prefabricated factory preparation is transported to the position of building and is built stage by stage, carry out multi-stage connection again, but often because the difference of actually building the construction, the clearance distance that leads to stage connection reduces, and leads to can't putting down complete prefabricated template, prior art's solution is or make a template that reduces the volume again, or direct casting, but make a template that reduces the volume again and wasted man-hour, direct casting also can influence the stability of connecting because the width is great relatively.

Disclosure of Invention

Based on the technical problem of the background art, the invention provides a section beam prefabricated formwork device for ocean engineering construction.

The invention provides a section beam prefabricated formwork device for ocean engineering construction, which comprises two prefabricated formworks to be connected, wherein a detachable pouring formwork is connected below the two prefabricated formworks to be connected, stabilizing frames of V-shaped structures are arranged on two sides above the two prefabricated formworks, the middle positions of the two stabilizing frames reversely extend towards two ends, a moving mechanism is arranged at the bottom of each stabilizing frame, a connecting plate is connected to the bottom of each moving mechanism, a plurality of prefabricated holes penetrating through the prefabricated formworks are formed in the end portions of the prefabricated formworks, a connecting cylinder corresponding to the prefabricated holes is arranged on the end face of each connecting plate, and a plurality of connecting holes are formed in the outer wall of each connecting cylinder.

Preferably, both ends of the prefabricated hole are provided with guide holes, the inner diameter of each guide hole gradually increases towards the outer end, and part of the connecting holes on the connecting cylinder correspond to the guide holes.

Preferably, the moving mechanism is provided with the fixed frame that extends towards both ends direction, fixed frame inner wall sliding connection has the movable block, it is connected with the regulation pole to rotate between the both ends inner wall of fixed frame, the terminal surface of movable block set up with adjust pole threaded connection's regulation hole, the perforation has been seted up at the top of movable block, the fixed orifices has been seted up with the position that the perforation corresponds at connecting plate top, perforation and fixed orifices inner wall threaded connection have the gim peg.

Preferably, the bottom downwardly extending of movable block goes out fixed frame, the bottom of movable block outer wall can be dismantled and be connected with the baffle with fixed frame bottom sliding connection, the bottom outer wall of baffle and the top outer wall sliding contact of prefabricated template, the baffle extends the setting towards both ends direction, the width of baffle is greater than the width of fixed frame.

Preferably, the mounting groove has been seted up to the bottom of steady rest, the inner wall of mounting groove is fixed with the spacing of extending towards both sides direction, the spacing groove has been seted up to the bottom of spacing, the inner wall sliding connection in spacing groove has spacing slider, spacing slider's bottom and the top fixed connection of fixed frame.

Preferably, the top of connecting plate is provided with a plurality of contact site one that upwards protrude, the top of contact site one flushes with the top of prefabricated template, the bottom of connecting plate is provided with a plurality of contact site two that downwards protrude, the inclined plane structure is all set to the both sides of contact site two, the width top-down of contact site two reduces gradually, the both sides of connecting plate all are provided with a plurality of contact site three that outwards protrude, contact site three sets to the arc structure of outside hunch-up.

Preferably, the connecting plate is kept away from the side of prefabricated template and is seted up the spread groove of a plurality of vertical settings, the vertical degree of depth of spread groove reduces gradually to both sides from middle zone, two be provided with a plurality of auxiliary rods that correspond the position with the spread groove between the connecting plate, the both ends of auxiliary rod respectively with two connecting plate on the spread groove sliding connection that corresponds, the auxiliary rod slope sets up, adjacent two the slope direction of auxiliary rod is reverse to be set up.

Preferably, a plurality of extending grooves have all been seted up to the both sides that the connecting plate side lies in the spread groove, the extending groove sets the arc structure into, and the extending groove of two adjacent spread groove sides is the interval and sets up in a staggered manner, and the extending groove of two adjacent spread groove sides is reverse hunch-up slope setting.

Preferably, both ends of the circumferential outer wall of the auxiliary rod are both connected with sliding blocks in a sliding mode, a spring sleeved outside the auxiliary rod is fixed in front of each sliding block, and the end face, far away from the spring, of each sliding block is arranged to be of an arc structure arched outwards.

Preferably, the side of the auxiliary rod is provided with a plurality of single-orientation through holes.

The beneficial effects of the invention are as follows:

1. in the embodiment of the invention, the connecting cylinders on the connecting plates at two ends are respectively inserted into the corresponding prefabricated holes on the prefabricated templates at two ends through the two connecting plates and the connecting cylinders on the connecting plates, the connecting plates are attached to the prefabricated templates, and the prefabricated templates are poured in a step mode from bottom to top, so that concrete is solidified between the prefabricated templates and the connecting plates, part of the concrete enters the connecting cylinders and is solidified on the positions of the connecting holes attached to the prefabricated holes, and the connecting cylinders and the inner walls of the prefabricated holes are solidified, so that the stability and firmness of direct pouring connection of the two prefabricated templates in a larger gap are improved by the aid of the extending connecting cylinders and the connecting plates.

2. In the embodiment of the invention, when the connecting plate is lowered to the stable frame for placing due to the standardized production of the prefabricated template, the connecting cylinder on the connecting plate and the corresponding prefabricated hole are positioned on the same horizontal plane; by utilizing the attachment of the pouring template and the prefabricated template on the bottom end surface, the two connecting plates are pushed to the middle area to enable the limiting slide block to move along the limiting frame, so that the connecting plates are enabled to move to the middle position in the installation process, and the connecting cylinders at all positions are enabled to be exactly corresponding to the positions of the prefabricated holes; thereby the actual installation uses the connecting plate more fast high-efficient, avoids operation such as artifical rightting to improve actual work efficiency.

3. In the embodiment of the invention, the auxiliary rods are in a step shape in the vertical direction through the height difference of the connecting grooves on the connecting plates, and the two adjacent auxiliary rods are reversely and obliquely arranged, so that the internal stress and compressive resistance of the concrete poured in the middle area are increased, the stability and firmness of the actual pouring gap with larger width after pouring are improved, and the convenience and safety of the actual prefabricated formwork connection are further improved.

Drawings

Fig. 1 is a schematic structural diagram of a prefabricated template to-be-connected state of a section beam prefabricated template device for ocean engineering construction, which is provided by the invention;

fig. 2 is a schematic diagram of a connection state of prefabricated formworks of a section beam prefabricated formwork device for ocean engineering construction, which is provided by the invention;

fig. 3 is a schematic structural diagram of a pouring state of a prefabricated template of a section beam prefabricated template device for ocean engineering construction, which is provided by the invention;

fig. 4 is a schematic view of an internal structure of a pouring template of the section beam prefabricated template equipment for ocean engineering construction, which is provided by the invention;

fig. 5 is a schematic structural diagram of a connecting plate of the section beam prefabricated formwork device for ocean engineering construction, which is provided by the invention;

fig. 6 is a schematic structural view of a stabilizer of the section beam prefabricated formwork device for ocean engineering construction, which is provided by the invention;

fig. 7 is a schematic view of a fixed frame cross-sectional structure of the section beam prefabricating formwork device for ocean engineering construction, which is provided by the invention;

fig. 8 is a schematic diagram of the distribution structure of auxiliary rods of the section beam prefabricated formwork device for ocean engineering construction, which is provided by the invention;

fig. 9 is a schematic diagram of a distribution structure of connecting grooves and extending grooves of a section beam prefabricated formwork device for ocean engineering construction according to the present invention;

fig. 10 is a schematic structural view of an auxiliary rod of the section beam prefabricated formwork device for ocean engineering construction.

In the figure: the device comprises a prefabricated template 1, a stabilizing frame 2, a stabilizing disc 201, a moving mechanism 3, a connecting plate 4, prefabricated holes 5, guide holes 501, a connecting cylinder 6, a connecting hole 601, a pouring template 7, a first contact part 8, a second contact part 9, a third contact part 10, a fixed frame 11, a movable block 12, an adjusting rod 13, a fixed bolt 14, a baffle 15, a limiting frame 16, a limiting slide block 17, a connecting groove 18, an extending groove 19, an auxiliary rod 20, a slide block 21, a spring 22 and a through hole 23.

Detailed Description

Example 1

Referring to fig. 1-4, a prefabricated template equipment of section roof beam for ocean engineering construction, including two prefabricated templates 1 that wait to connect, the below detachable of waiting between the prefabricated template 1 that two connect is connected with pours template 7, the top both sides of two prefabricated templates 1 all are provided with stabilizer bracket 2 of V type structure, the bottom of stabilizer bracket 2 is provided with steadying plate 201, leave the clearance between the bottom of stabilizer bracket 2 and prefabricated template 1, the intermediate position of two stabilizer bracket 2 is towards both ends direction reverse extension, the bottom of stabilizer bracket 2 is provided with moving mechanism 3, the bottom of moving mechanism 3 is connected with connecting plate 4.

Referring to fig. 1, the end of a prefabricated template 1 is provided with a plurality of prefabricated holes 5 penetrating through the prefabricated holes, the end surface of a connecting plate 4 is provided with a fixing hole corresponding to the prefabricated hole 5, the inner wall of the fixing hole is fixed with a connecting cylinder 6 extending towards the direction of the prefabricated hole 5, the outer wall of the connecting cylinder 6 is provided with a plurality of connecting holes 601, actually, the space between the prefabricated templates 1 in stages is not large enough for putting down a complete prefabricated template 1, and the space is larger than the common casting gap, referring to fig. 1-2, two connecting plates 4 are respectively fixed on two stabilizing frames 2 in a detachable way, the connecting plates 4 extend into the casting gap by using a hoisting mechanism, so that the stabilizing frames 2 and the stabilizing discs 201 pre-stabilize between the adjacent prefabricated templates 1 from two side positions, then, the casting template 7 is installed from the lower part to support from the bottom and adjust the connecting plates 4 in place by limiting, referring to fig. 3, the two connecting plates 4 are moved from the middle area of the casting gap to the two ends respectively, the connecting cylinders 6 on the connecting plates 4 at the two ends are inserted into the corresponding prefabricated holes 5 on the prefabricated formworks 1 at the two ends respectively, the connecting plates 4 are attached to the prefabricated formworks 1, then concrete is cast from the upper part into the casting gap between the two connecting plates 4, the concrete is poured in a step form from the bottom to the top, the concrete is uniformly vibrated by a vibrator extending from the top to the bottom in the casting process, the prefabricated formworks 1 and the connecting plates 4 are solidified at the two sides of the concrete, the two connecting plates 4 are solidified at the middle position, and part of the concrete enters the connecting cylinders 6 and is solidified at the positions of the connecting holes 601 attached to the prefabricated holes 5, so that the connecting cylinders 6 and the connecting plates 4 are fixed by the arrangement of the connecting cylinders 6 and the connecting plates 4 which are inserted, the stability and the fastness of two prefabricated templates 1 direct casting connection when great clearance are improved, and pouring template 7 is demolishd from the below after the casting, and steady rest 2 and moving mechanism 3 are demolishd from the top and are used again.

Example 2

On the basis of embodiment 1, referring to fig. 1 and 4-5, in order to improve the convenience of inserting and connecting between a connecting cylinder 6 and a prefabricated hole 5, guide holes 501 are respectively arranged at two end positions of the prefabricated hole 5, the inner diameter of each guide hole 501 gradually increases towards the outer end, part of the connecting holes 601 on the connecting cylinder 6 correspond to the connecting plates 4, part of the connecting holes 601 on the connecting cylinder 6 correspond to the positions of the guide holes 501, part of the connecting holes 601 on the connecting cylinder 6 correspond to the positions of the prefabricated holes 5 close to the guide holes 501, actually, in the process of connecting two prefabricated templates 1, the outer connecting cylinder 6 conveniently slides inwards to the position of the prefabricated hole 5 along the guide holes 501 by utilizing the change of the outwards expanded inner diameter of the guide holes 501, so as to conveniently facilitate the corresponding installation of the connecting cylinder 6, and the connecting holes 601 distributed on the connecting cylinder 6 are respectively communicated with the shells of the connecting plates 4, the guide holes 501 and the prefabricated holes 5 to coagulate concrete, so as to utilize the width change of the width of the guide holes 501 to increase the tensile strength between the connecting plates 4 and the end surfaces of the prefabricated templates 1, thereby further improving the actual bearing gap after pouring.

Example 3

On the basis of embodiment 2, referring to fig. 6-7, a section beam prefabricated formwork device for ocean engineering construction, in order to further improve the convenience of inserting and connecting a connecting cylinder 6, a moving mechanism 3 is provided with a fixed frame 11 extending towards two ends, the inner wall of the fixed frame 11 is connected with a movable block 12 in a sliding manner, an adjusting rod 13 is rotatably connected between the inner walls of the two ends of the fixed frame 11, the end surface of the movable block 12 is provided with an adjusting hole in threaded connection with the adjusting rod 13, the top of the movable block 12 is provided with a through hole, the top of the connecting plate 4 is provided with a fixed hole at a position corresponding to the through hole, and the through hole and the inner wall of the fixed hole are in threaded connection with a fixed bolt 14; the bottom of the stabilizing frame 2 is provided with a mounting groove, the inner wall of the mounting groove is fixedly provided with a limiting frame 16 extending towards two sides, the bottom of the limiting frame 16 is provided with a limiting groove, the inner wall of the limiting groove is connected with a limiting sliding block 17 in a sliding manner, the bottom end of the limiting sliding block 17 is fixedly connected with the top of the fixing frame 11, actually, when two prefabricated templates 1 are connected, two connecting plates 4 are firstly positioned in the middle area of the fixing frame 11, and when the connecting plates 4 descend to the position of the stabilizing frame 2 due to the standardized production of the prefabricated templates 1, connecting cylinders 6 on the connecting plates 4 and corresponding prefabricated holes 5 are positioned on the same horizontal plane; then installing a pouring template 7, pushing the two connecting plates 4 to the middle area by utilizing the joint of the pouring template 7 and the prefabricated template 1 on the bottom end surface so as to enable the limiting slide block 17 to move along the limiting frame 16, and ensuring that the connecting plates 4 move to the middle position in the installation process, so that the connecting cylinders 6 at all positions just correspond to the prefabricated holes 5; then, the adjusting rods 13 on the two side position moving mechanisms 3 are rotated, so that the two connecting plates 4 move reversely to enable the connecting cylinder 6 to be stably inserted into the prefabricated hole 5, the speed of actually installing and using the connecting plates 4 is increased, manual righting and other operations are avoided, and the actual working efficiency is improved.

Referring to fig. 6 to 7, in the invention, a fixed frame 11 extends downwards from the bottom end of a movable block 12, a baffle plate 15 connected with the bottom end of the fixed frame 11 in a sliding manner is detachably connected to the bottom of the outer wall of the movable block 12, the outer wall of the bottom of the baffle plate 15 is in sliding contact with the outer wall of the top of a prefabricated template 1, the baffle plate 15 extends towards two ends, the width of the baffle plate 15 is larger than that of the fixed frame 11, in the actual process of connecting two prefabricated templates 1, the baffle plate 15 which is far larger than the width of a pouring gap is selected according to the width of the actual pouring gap and is fixed at the bottom position outside the movable block 12, in the process of moving the movable block 12 and a connecting plate 4 outwards, the baffle plate 15 is used for shielding the bottom of the fixed frame 11 all the time, the top surface of concrete is attached to the bottom end position of the baffle plate 15 when the concrete is poured to the top end position, the concrete is effectively prevented from entering the fixed frame 11 to be bonded to cause the repeated reuse of a moving mechanism 3 while the concrete is ensured that the concrete is poured completely, and the concrete is removed together with the stable frame 2, the moving mechanism 3 and the baffle plate 15.

Example 4

On the basis of embodiment 3, referring to fig. 5, a prefabricated formwork device for a section beam for ocean engineering construction, in order to improve the firmness of solidification between a connecting plate 4 and concrete, the top end of the connecting plate 4 is provided with a plurality of upwards protruding contact portions 8, the top end of the contact portion 8 is flush with the top end of a prefabricated formwork 1, the bottom end of the connecting plate 4 is provided with a plurality of downwards protruding contact portions 9, the bottom end of the contact portion 9 is flush with the inner wall of the bottom of a pouring formwork 7, both sides of the contact portion 9 are both set to be inclined plane structures, the width of the contact portion 9 is gradually reduced from top to bottom, both sides of the connecting plate 4 are both provided with a plurality of outwards protruding contact portions three 10, the contact portions three 10 are set to be outwards arched arc structures, the side edges of the contact portions three 10 are in contact with the side edges of the pouring formwork 7, in the process of actually connecting two prefabricated formworks 1, when the pouring formwork 7 is installed after the connecting plate 4 is lowered, the two contact portions three 10 at two side edges of the arc portions are utilized to facilitate pushing the connecting plate 7 inwards, and the two sides of the prefabricated formwork 7 are utilized to improve the stability of the bottom end portions of the prefabricated formwork and the horizontal pouring formwork and the stability of the two sides of the prefabricated formwork 4 is improved by utilizing the horizontal contact portions of the outer edge of the vertical concrete pouring formwork and the outer edge of the prefabricated formwork 4, thereby improving the horizontal pouring formwork.

Example 5

On the basis of the above embodiment, referring to fig. 8-9, a section beam prefabricated formwork device for ocean engineering construction, in order to further improve the stability of pouring a wider distance gap, a plurality of vertically arranged connecting grooves 18 are formed on the side of a connecting plate 4 far away from a prefabricated formwork 1, the top ends of the connecting grooves 18 penetrate through the connecting grooves, the vertical depth of the connecting grooves 18 is gradually reduced from the middle area to both sides, the connecting grooves 18 on two connecting plates 4 are symmetrically arranged, a plurality of auxiliary rods 20 corresponding to the connecting grooves 18 are arranged between the two connecting plates 4, both ends of each auxiliary rod 20 are respectively in sliding connection with the corresponding connecting grooves 18 on the two connecting plates 4, the auxiliary rods 20 are obliquely arranged, the inclination directions of the two adjacent auxiliary rods 20 are reversely arranged, actually before pouring concrete, a plurality of auxiliary rods 20 with the same length are used, the auxiliary rods 20 are obliquely placed in the corresponding connecting grooves 18 on the two connecting plates 4 in the middle area, the two auxiliary rods 20 in the adjacent positions are reversely placed, then the concrete is poured, the auxiliary rods 20 are obliquely placed in the middle area to improve the firmness after the concrete is formed, and the prefabricated rods 18 are made to be in the middle area to be more convenient to the pouring of the prefabricated formwork, and the vertical auxiliary rods 20, thereby further improving the stability of the pouring and the stability of the vertical gap, and the auxiliary rods, and the convenience of the pouring of the prefabricated formwork.

Referring to fig. 9, in the invention, a plurality of extending grooves 19 are respectively formed in the two sides of the connecting groove 18 of the side edge of the connecting plate 4, the extending grooves 19 are arranged in an arc structure, the extending grooves 19 in the side edges of two adjacent connecting grooves 18 are arranged in a staggered manner at intervals, and the extending grooves 19 in the side edges of two adjacent connecting grooves 18 are arranged in a reverse arching inclined manner, so that in the process of pouring concrete, the connecting grooves 18 with vertical depth changes and the extending grooves 19 with staggered side edges and reverse arching inclined directions are utilized to improve the bearing strength of connection between the concrete and the side edge of the connecting plate 4, so as to improve the compressive strength of a concrete area after pouring through pressure dispersion, and by matching with the embedded arrangement of the connecting cylinder 6 on the other side edge of the connecting plate 4, the stability and firmness of concrete pouring by actually utilizing the connecting plate 4 are further improved.

Referring to fig. 10, in the present invention, two ends of the circumferential outer wall of the auxiliary rod 20 are slidably connected with sliding blocks 21, springs 22 sleeved outside the auxiliary rod 20 are fixed in front of the two sliding blocks 21, end surfaces of the sliding blocks 21 far away from the springs 22 are arranged in an outward arched structure, the connecting plates 4 at two sides are pressed by the two sliding blocks 21 connected by the sleeved springs 22, so as to ensure the stability of the auxiliary rod 20 placed in the connecting groove 18, and concrete vibration is continuously performed by deep vibrators during the casting process, so that the springs 22 and the sliding blocks 21 move in the inclined direction to disperse concrete, and the firmness of connection between the concrete and the connecting plates 4 enhanced by the auxiliary rod 20 and the height difference in the vertical direction are further improved, and the bearing strength of the connecting position of the formwork is ensured by improving the uniformity of concrete molding.

Referring to fig. 10, in the present invention, the side of the auxiliary rod 20 is provided with a plurality of through holes 23 in a single direction, during the process of pouring concrete, the auxiliary rod 20 deflects along its axis due to the movement of the concrete or the operation of the vibrator, and the through holes 23 on the auxiliary rod 20 all extend in a single direction, so that the through holes 23 on the different auxiliary rods 20 can penetrate and extend in different directions, and thus the connection with the auxiliary rod 20 after the concrete is formed is dispersed in multiple ways, thereby improving the internal stress and the bearing strength of the pouring position, and further enhancing the firmness and the safety after the actual pouring of a larger-width pouring gap.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The prefabricated template equipment for the section beam for ocean engineering construction comprises two prefabricated templates (1) to be connected, wherein a pouring template (7) is detachably connected below the two prefabricated templates (1) to be connected, the prefabricated template equipment is characterized in that two stabilizing frames (2) of a V-shaped structure are arranged on two sides above the two prefabricated templates (1), a stabilizing disc (201) is arranged at the bottom end of each stabilizing frame (2), the middle positions of the two stabilizing frames (2) reversely extend towards two ends, a moving mechanism (3) is arranged at the bottom of each stabilizing frame (2), a connecting plate (4) is connected to the bottom of each moving mechanism (3), a plurality of prefabricated holes (5) penetrating the prefabricated templates (1) are formed in the end part of each prefabricated template (1), a connecting cylinder (6) corresponding to the prefabricated holes (5) is arranged on the end surface of each connecting plate (4), a plurality of connecting holes (601) are formed in the outer wall of each connecting cylinder (6), a plurality of fixing frames (11) extending towards two ends are arranged on the moving mechanism (3), a fixing frame (11) is slidably connected with a moving block (12), a rotating adjusting block (13) is connected between the inner wall of each fixing frame (11), and a screw thread adjusting block (13) is connected with a regulating block (12), the top of the connecting plate (4) is provided with a fixing hole at a position corresponding to the through hole, and the through hole and the inner wall of the fixing hole are in threaded connection with a fixing bolt (14).

2. The section beam prefabrication formwork device for ocean engineering construction according to claim 1, wherein both end positions of the prefabrication hole (5) are provided with guide holes (501), the inner diameter of each guide hole (501) is gradually increased towards the outer end, and part of connecting holes (601) on the connecting cylinder (6) correspond to the positions of the guide holes (501).

3. The precast sectional beam formwork device for ocean engineering construction according to claim 1, wherein the bottom end of the movable block (12) extends downwards to form a fixed frame (11), the bottom of the outer wall of the movable block (12) is detachably connected with a baffle (15) which is slidably connected with the bottom end of the fixed frame (11), the outer wall of the bottom of the baffle (15) is in sliding contact with the outer wall of the top of the precast formwork (1), the baffle (15) extends towards two ends, and the width of the baffle (15) is greater than the width of the fixed frame (11).

4. The prefabricated formwork equipment of section beams for ocean engineering construction according to claim 1, wherein an installation groove is formed in the bottom of the stabilizing frame (2), a limiting frame (16) extending towards two sides is fixed to the inner wall of the installation groove, a limiting groove is formed in the bottom of the limiting frame (16), a limiting sliding block (17) is connected to the inner wall of the limiting groove in a sliding mode, and the bottom end of the limiting sliding block (17) is fixedly connected with the top of the fixing frame (11).

5. The precast sectional beam formwork device for ocean engineering construction according to claim 4, wherein a plurality of first contact portions (8) protruding upwards are arranged at the top end of the connecting plate (4), the top end of the first contact portions (8) is flush with the top end of the precast formwork (1), a plurality of second contact portions (9) protruding downwards are arranged at the bottom end of the connecting plate (4), both sides of the second contact portions (9) are arranged to be inclined plane structures, the width of the second contact portions (9) is gradually reduced from top to bottom, a plurality of third contact portions (10) protruding outwards are arranged at both sides of the connecting plate (4), and the third contact portions (10) are arranged to be arc structures which are arched outwards.

6. The prefabricated section beam formwork device for ocean engineering construction according to claim 1, wherein a plurality of vertically arranged connecting grooves (18) are formed in the side edge of the connecting plate (4) far away from the prefabricated formwork (1), the vertical depth of each connecting groove (18) is gradually reduced from the middle area to two sides, a plurality of auxiliary rods (20) corresponding to the connecting grooves (18) are arranged between the two connecting plates (4), two ends of each auxiliary rod (20) are respectively in sliding connection with the corresponding connecting grooves (18) on the two connecting plates (4), the auxiliary rods (20) are obliquely arranged, and the oblique directions of the two adjacent auxiliary rods (20) are oppositely arranged.

7. The section beam prefabrication formwork device for ocean engineering construction according to claim 6, wherein a plurality of extending grooves (19) are respectively formed in the side edges of the connecting plate (4) on two sides of the connecting grooves (18), the extending grooves (19) are arranged to be arc-shaped structures, the extending grooves (19) on the side edges of two adjacent connecting grooves (18) are arranged in a staggered mode at intervals, and the extending grooves (19) on the side edges of two adjacent connecting grooves (18) are arranged in a reverse arch-shaped inclined mode.

8. The section beam prefabrication formwork device for ocean engineering construction is characterized in that two ends of the circumferential outer wall of the auxiliary rod (20) are connected with sliding blocks (21) in a sliding mode, a spring (22) sleeved outside the auxiliary rod (20) is fixed in front of the two sliding blocks (21), and the end face, far away from the spring (22), of each sliding block (21) is arranged to be of an outwards arched arc structure.

9. The precast sectional beam formwork device for ocean engineering construction according to claim 7, wherein the side of the auxiliary rod (20) is provided with a plurality of single-oriented through holes (23).