CN115302614A

CN115302614A - Prefabricated template equipment of section roof beam for ocean engineering construction

Info

Publication number: CN115302614A
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: 2022-11-08
Anticipated expiration: 2042-10-12
Also published as: CN115302614B

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, at present, the bridge is often built through prefabricated templates, the segment prefabrication and assembly construction method is to cut the whole beam body along the direction vertical to the longitudinal axis of the bridge, divide the beam body into a plurality of segments, convert and decompose the space design coordinates of the bridge to be built into the pre-control coordinates of each segment in a prefabrication plant, and manufacture all the segments one by one in the prefabrication plant by adopting a close-fit and fit matching pouring method.

During the actual operation, the prefabricated template of section roof beam with the preparation of prefabrication factory is transported and is built stage by stage to the position of building, carries 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 pouring, but make a template that reduces the volume again and wasted man-hour, direct pouring also can influence the stability of connection 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, guide holes are formed in the two ends of the prefabricated hole, the inner diameter of each guide hole gradually increases towards the outer end, and part of connecting holes in the connecting cylinder correspond to the guide holes in position.

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 the 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 protrude downwards, the both sides of contact site two all set to the inclined plane structure, 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 to-be-connected state of a prefabricated template 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 diagram of a prefabricated formwork pouring state structure of the section beam prefabricated formwork 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 a 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 cross-sectional structure of a fixing frame of a section beam prefabricated 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, which is provided by the 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 sliding block 17, a connecting groove 18, an extending groove 19, an auxiliary rod 20, a sliding 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 arranged in a penetrating way, the end face 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 staged prefabricated templates 1 is not large enough, and then a complete prefabricated template 1 is put down, and when 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, and the connecting plates 4 extend into the casting gap by utilizing a hoisting mechanism, so that the stabilizing frames 2 and stabilizing discs 201 pre-stabilize the adjacent prefabricated templates 1 from the positions at two sides, then, a casting template 7 is arranged from the lower part to support from the bottom and adjust the connecting plates 4 in place by limiting, referring to fig. 3, then making two connecting plates 4 move from the middle area of the casting gap to the two ends respectively, making connecting cylinders 6 on the connecting plates 4 at the two ends respectively inserted into corresponding prefabricated holes 5 on the prefabricated formworks 1 at the two ends, making the connecting plates 4 attached to the prefabricated formworks 1, then casting concrete from the top to the casting gap between the two connecting plates 4, casting in a step form from bottom to top, and shaking the concrete by using vibrators extending from the top to the bottom continuously during the casting process, so that the concrete solidifies between the prefabricated formworks 1 and the connecting plates 4 at the two sides, and solidifies between the two connecting plates 4 at the middle position, and makes partial concrete enter the connecting cylinders 6 and solidify at the connecting holes 601 attached to the prefabricated holes 5, thereby making use of the arrangement of the extending connecting cylinders 6 and the connecting plates 4, the stability and the fastness of direct pouring connection of two prefabricated formworks 1 in the time of great clearance are improved, pour form 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, in order to improve the solidification firmness between the connecting plate 4 and the concrete, the top end of the connecting plate 4 is provided with a plurality of upward protruding contact parts 8, the top end of the contact part 8 is flush with the top end of the prefabricated template 1, the bottom end of the connecting plate 4 is provided with a plurality of downward protruding contact parts two 9, the bottom ends of the contact parts two 9 are flush with the inner wall of the bottom of the pouring template 7, both sides of the contact parts two 9 are provided with inclined plane structures, the width of the contact parts two 9 is gradually reduced from top to bottom, both sides of the connecting plate 4 are provided with a plurality of outward protruding contact parts three 10, and the contact parts three 10 are provided with arc structures which are arched outwards, the side of three 10 of contact site and the side contact of pouring template 7, actually connecting 1 in-process of two prefabricated templates, when falling connecting plate 4 after-installation pouring template 7, utilize three 10 of the outstanding contact site of both sides position arc to be convenient for pour template 7 and inwards push connecting plate 4, and at the in-process of pouring concrete, utilize the both sides inclined plane of two 9 of bottom contact site and improve the stability and the bearing capacity of connecting plate 4 bottom after the concrete condenses, and utilize the arc structure of three 10 of both sides contact site and improve both sides limit on vertical direction and horizontal direction tensile strength, thereby utilize the outstanding setting of 4 outward flanges of connecting plate in order to improve the fastness and the stability of pouring concrete between two prefabricated templates 1.

Example 5

On the basis of the above-mentioned embodiment, referring to fig. 8-9, a prefabricated formwork equipment of section roof beam for ocean engineering construction, in order to further improve the stability of pouring to the wider distance gap, the side that connecting plate 4 keeps away from prefabricated formwork 1 is provided with a plurality of vertically arranged connecting grooves 18, the top of connecting groove 18 pierces through the setting, the vertical depth of connecting groove 18 reduces gradually from the middle region to both sides, the connecting grooves 18 on two connecting plates 4 are symmetrically arranged, be provided with a plurality of auxiliary rods 20 that correspond to the connecting grooves 18 between two connecting plates 4, the both ends of auxiliary rod 20 are respectively in sliding connection with the corresponding connecting grooves 18 on two connecting plates 4, auxiliary rod 20 is obliquely arranged, the inclination direction of two adjacent auxiliary rods 20 is reversely set, before actually pouring concrete, use a plurality of auxiliary rods 20 of the same length, put auxiliary rod 20 obliquely into the corresponding connecting grooves 18 on two connecting plates 4 in the middle, and make two auxiliary rods 20 in adjacent positions be placed in reverse, then pour concrete, utilize oblique auxiliary rod 20 to connect two connecting plates 4 to improve the firmness after the middle region concrete molding, and make the prefabricated rod 18 be in the difference of height and make the auxiliary rod 20 be placed in the middle region to be placed in the reverse pouring safety, thereby further improve the stability of pouring and the stability of the auxiliary rod 20 in the vertical pouring, and improve the stability of the auxiliary rod pouring, and the stability of the auxiliary rod 20 in the vertical pouring, and the stability of the auxiliary rod pouring, thereby, and the auxiliary rod pouring, and the stability of the auxiliary rod 20.

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 as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a prefabricated template equipment of section roof beam for ocean engineering construction, includes two prefabricated template (1) of treating to connect, two treat to connect below demountable connection between prefabricated template (1) has pouring template (7), its characterized in that, two the top both sides of prefabricated template (1) all are provided with steadying frame (2) of V type structure, and the bottom of steadying frame (2) is provided with stable dish (201), two the intermediate position of steadying frame (2) is reverse to be extended towards both ends direction, the bottom of steadying frame (2) is provided with moving mechanism (3), the bottom of moving mechanism (3) is connected with connecting plate (4), a plurality of prefabricated holes (5) that pierce through the setting are seted up to the tip of prefabricated template (1), the terminal surface of connecting plate (4) is provided with connecting cylinder (6) that correspond with prefabricated hole (5), a plurality of connecting holes (601) have been seted up to the outer wall of connecting cylinder (6).

2. The precast formwork device for the section beam for ocean engineering construction according to claim 1, wherein the precast hole (5) is provided with guide holes (501) at both ends, the inner diameter of the guide holes (501) is gradually increased towards the outer end, and part of the connection holes (601) on the connection 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 or 2, wherein the moving mechanism (3) is provided with a fixed frame (11) extending towards two ends, the inner wall of the fixed frame (11) is slidably connected with a movable block (12), 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 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).

4. The prefabricated template equipment of section roof beam for ocean engineering construction according to claim 3, characterized in that, the bottom of movable block (12) extends downwards and goes out fixed frame (11), the bottom of movable block (12) outer wall can be dismantled and be connected with baffle (15) with fixed frame (11) bottom sliding connection, the bottom outer wall of baffle (15) and the top outer wall sliding contact of prefabricated template (1), baffle (15) extend towards both ends direction and set up, the width of baffle (15) is greater than the width of fixed frame (11).

5. The precast sectional beam formwork device for ocean engineering construction according to claim 3, wherein the bottom of the stabilizing frame (2) is provided with an installation groove, the inner wall of the installation groove is fixed 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, and the bottom end of the limiting sliding block (17) is fixedly connected with the top of the fixed frame (11).

6. The precast sectional beam formwork device for ocean engineering construction according to claim 5, 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.

7. 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.

8. The precast sectional beam formwork device for ocean engineering construction according to claim 7, wherein the connecting plate (4) has a plurality of extending grooves (19) formed on both sides of the connecting grooves (18), the extending grooves (19) are arranged in an arc structure, the extending grooves (19) on the sides of two adjacent connecting grooves (18) are alternately arranged, and the extending grooves (19) on the sides of two adjacent connecting grooves (18) are oppositely arranged in an arched and inclined manner.

9. 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.

10. The precast sectional beam formwork device for ocean engineering construction according to claim 8, wherein the side of the auxiliary rod (20) is provided with a plurality of single-oriented through holes (23).