Combined type pouring mold based on fabricated bridge component machining

By designing the linkage and locking/separating components of the combined casting mold, the problem of low formwork hoisting efficiency in the existing technology is solved, realizing efficient formwork making and disassembly, and reducing limitations in the installation process.

CN121912477APending Publication Date: 2026-04-24LULIANG BRANCH OF SHANXI PROVINCIAL HIGHWAY BUREAU +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LULIANG BRANCH OF SHANXI PROVINCIAL HIGHWAY BUREAU
Filing Date
2026-03-23
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The existing prefabricated bridge component casting molds are inefficient because they are fastened with bolts during the hoisting process.

Method used

A modular casting mold is used, and the linkage is manually driven. The linkage is connected to a locking part and a separating part. The locking head and locking tail sections engage to fix the template, and the separating part quickly separates the template from the beam wall when the linkage is reset.

Benefits of technology

It achieves high efficiency in the mold making and disassembly process, reduces the limitations in the mold installation process, and improves operational efficiency.

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Abstract

The invention discloses a combined type pouring mold based on fabricated bridge component machining. The combined type pouring mold comprises a mold plate, and reinforcing ribs are arranged in the mold plate; a linkage piece is arranged in the reinforcing rib and is in transmission connection with a locking piece and a separating piece respectively; the locking piece comprises a connecting middle section, one end of the connecting middle section is fixedly connected with a locking head section, and the other end of the connecting middle section is fixedly connected with a locking tail section; when the linkage piece drives the reinforcing rib to move transversely, the locking head section and the locking tail section in the reinforcing rib are locked, the two formworks are closed and locked in the transverse moving process of the linkage piece, and the separation piece and the formworks are in a closed state. According to the device, the linkage part, the locking part and the separation part are driven in a manual mode, the locking part and the separation part are in transmission connection with the linkage part, the two formworks are attached and fixed through the locking part in the mode that the locking head section and the locking tail section 33 are engaged, and the formworks and the beam wall are rapidly separated through the separation part in the reset process of the linkage part; the formwork is more efficient in the formwork manufacturing and disassembling process, and the limitation of the formwork in the installing process is reduced.
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Description

Technical Field

[0001] This invention relates to the field of bridge engineering technology, and in particular to a combined casting mold based on the processing of prefabricated bridge components. Background Technology

[0002] Bridge formwork is a special mold used for pouring concrete during bridge construction. It is a type of steel formwork applied to bridge projects, such as highway bridges, viaducts, and overpasses. Bridge formwork is divided into highway bridge formwork and railway bridge formwork. Depending on the specific requirements, bridge formwork can also be categorized into single-cell and double-cell box girders (large box girders and small box girders), truss piers, pier formwork, abutments, cap beams, T-shaped bridge formwork, etc. Its main function is for pouring, molding, demolding, and assembly. The relatively long bridge formwork manufacturing process requires assembling multiple cross-section formwork sections through hoisting.

[0003] The shortcomings of existing technologies are that prefabricated bridge component casting molds are represented by integral customized steel formwork. Since prefabricated bridges require the use of formwork, the formwork is assembled and fixed by hoisting. During the hoisting process, the formwork is aligned with the fixed formwork and fixed by bolts. Using bolts to fasten the formwork has limitations, resulting in low efficiency in the formwork manufacturing process. Summary of the Invention

[0004] The purpose of this invention is to provide a combined casting mold based on the processing of prefabricated bridge components. The linkage is driven manually, and the linkage is connected to a locking member and a separating member. The locking member engages the two templates in a locking head and locking tail 33 manner, and the separating member quickly separates the template from the beam wall during the resetting process of the linkage. This makes the template more efficient in the molding and disassembly process and reduces the limitations of the template in the installation process.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a combined casting mold based on the processing of prefabricated bridge components, comprising a template and reinforcing ribs within the template; a connecting member is provided within the reinforcing rib, and the connecting member is respectively driven to a locking member and a separating member; the locking member includes a connecting middle section, one end of which is fixedly connected to a locking head section, and the other end of which is fixedly connected to a locking tail section; when the connecting member drives the reinforcing rib to move laterally, the locking head section and locking tail section within the reinforcing rib lock, and the two templates close and lock during the lateral movement of the connecting member, and the separating member is in a closed state with the template; when the connecting member drives the reinforcing rib to reset, the locking head section and locking tail section separate, and the separating member is driven to separate from the template, thereby realizing the separating member separating the template from the beam wall; As a further description of the above technical solution: The linkage includes a support column, a rotating cap is fixedly connected to the top of the support column, a bevel gear one is provided at one end of the support column near the rotating cap, a bevel gear two is meshed at one end of the bevel gear one, and a threaded rod is fixedly connected to one end of the bevel gear two.

[0006] As a further description of the above technical solution: The threaded rod is threaded to a threaded block at one end near the second bevel gear. A movable frame is fixed to one end of the threaded block. A connecting rod is fixed to one end of the movable frame. Connecting rods are symmetrically fixed to both ends of the movable frame.

[0007] As a further description of the above technical solution: One end of the linkage is movably provided with a transmission rod, one end of the transmission rod is provided with a limiting groove, and the limiting groove is adapted to the linkage. One end of the transmission rod is fixedly connected with a stop block, and one end of the stop block is driven by a separating member.

[0008] As a further description of the above technical solution: The locking head section includes a rectangular strip, a locking block is fixedly connected to one end of the rectangular strip, a support rod is provided at one end of the locking block, a movable block is slidably connected to one end of the support rod, a pull rod is fixedly connected to one end of the movable block, and a lever is fixedly connected to the bottom end of the movable block.

[0009] As a further description of the above technical solution: The end of the pull rod away from the movable block is fixedly connected to a slider, and one end of the slider is slidably connected to a slide rod. The slide rod is located in an inner slide groove, and the inner slide groove is opened on a rectangular strip. The end of the slider away from the slide rod is fixedly connected to a shaft seat, and one end of the shaft seat is movably connected to a pull arm. One end of the pull arm is fixedly connected to a connecting rod.

[0010] As a further description of the above technical solution: The locking seat includes a support bar, a rotating shaft is rotatably connected inside the support bar, a rocker arm is fixedly connected to one end of the rotating shaft, and a locking bar is fixedly connected to the other end of the rotating shaft; a limiting groove is opened at one end of the rocker arm, a lever is provided in the limiting groove, and the lever is fixedly connected to the support arm.

[0011] As a further description of the above technical solution: The locking tail section includes a rectangular block, one end of which has a compensation groove, and a locking seat is fixedly connected to the end of the rectangular block near the compensation groove; the locking seat includes a support block, which is fixedly connected to the rectangular block, one end of which has a guide groove, a locking bolt is provided in the guide groove, and one end of which has a positioning groove.

[0012] As a further description of the above technical solution: The separating component includes a movable block, which is disposed through the template. A support plate is fixedly connected to one end of the movable block, and a connecting plate is fixedly connected to the other end of the movable block. A stop bar is fixedly connected to the end of the movable block near the connecting plate, and the stop bar fits snugly with the abutment block. Fixed ears are symmetrically fixed to both ends of the connecting plate.

[0013] As a further description of the above technical solution: A limiting rod is provided through the fixed ear. One end of the limiting rod is fixedly connected to a support plate, which is fixedly connected to the template. One end of the support plate is fixedly connected to a return spring, and the other end of the return spring is fixedly connected to the fixed ear.

[0014] This invention provides a combined casting mold based on the processing of prefabricated bridge components, which has the following beneficial effects: In this invention, the linkage is driven manually, and the linkage is connected to the locking and separating parts respectively. The locking parts fix the two templates together by the engagement of the locking head and locking tail. The separating parts quickly separate the templates from the beam wall during the reset process of the linkage, making the templates more efficient in the molding and disassembly process and reducing the limitations of the templates in the installation process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a combined casting mold based on the processing of prefabricated bridge components proposed in this invention; Figure 2 This is a schematic diagram of the structure connecting the middle section in this invention; Figure 3 In this invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the structure of the separating component in this invention; Figure 5 In this invention Figure 4 Enlarged view of point B in the middle; Figure 6 This is a schematic diagram of the rectangular strip structure in this invention; Figure 7 This is a schematic diagram of the support strip in this invention; Figure 8 This is a schematic diagram of the rectangular block structure in this invention; Figure 9 This is a schematic diagram of the swing arm in this invention.

[0016] Legend: 1. Template; 2. Reinforcing rib; 3. Locking component; 31. Connecting middle section; 32. Locking head section; 321. Rectangular strip; 322. Inner slide groove; 323. Slide rod; 324. Slider; 325. Shaft seat; 326. Pull rod; 327. Movable block; 328. Support rod; 329. Support arm; 3291. Lever; 3210. Locking block; 3211. Support strip; 3212. Rotating shaft; 3213. Swing arm rod; 3214. Limiting groove; 3215. Locking strip; 33. Locking tail section; 331. Rectangular block; 332. Locking seat; 3321. Support 3322, guide groove; 3323, bolt; 3324, positioning groove; 333, compensation groove; 4, linkage; 41, support column; 42, rotating cap; 43, bevel gear one; 44, bevel gear two; 45, threaded rod; 46, threaded block; 47, moving frame; 48, linkage rod; 49, transmission rod; 491, limiting groove; 492, stop block; 410, connecting rod; 411, pull arm; 5, separating part; 51, moving block; 52, connecting plate; 53, fixing ear; 54, return spring; 55, limiting rod; 56, support plate; 57, support plate; 58, stop bar. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0018] Reference Figure 1-9 A modular casting mold based on the processing of prefabricated bridge components includes a template 1 and a reinforcing rib 2 inside the template 1. A connecting member 4 is provided inside the reinforcing rib 2, and the connecting member 4 is respectively connected to a locking member 3 and a separating member 5. The locking member 3 includes a connecting middle section 31, one end of which is fixedly connected to a locking head section 32, and the other end of which is fixedly connected to a locking tail section 33. When the connecting member 4 drives the reinforcing rib 2 to move laterally, the locking head section 32 and the locking tail section 33 inside the reinforcing rib 2 lock together, and the two templates 1 close and lock during the lateral movement of the connecting member 4, while the separating member 5 is in a closed state with the template 1. When the connecting member 4 drives the reinforcing rib 2 to reset, the locking head section 32 and the locking tail section 33 separate, and the separating member 5 is driven to separate from the template 1, thus separating the template 1 from the beam wall.

[0019] Specifically, the reinforcing ribs 2, which are interlaced and fixed within the template 1, are used to improve the strength of the template 1 during use. The locking members 3 are symmetrically arranged within the template 1. The locking members 3 between the two templates 1 are connected by a locking head section 32 and a locking tail section 33, allowing the two templates 1 to be locked and fixed during installation. The linkage 4, located within the template 1, is manually driven to rotate, causing the linkage 4 to drive the movement of both the locking member 3 and the separating member 5. When the linkage 4 drives the locking member 3 to move laterally, the locking head section 32 of the locking member 3 locks the locking tail section 33 of the other template 1, and the linkage 4 further drives the separation member 5 to close with the template 1. With the locking head section 32 and locking tail section 33 engaged, the two templates 1 move under the influence of the linkage 4. The device closes at the bottom, making it more convenient for the two templates 1 to be molded during the molding process and improving the efficiency of the template 1 during use. When the linkage 4 is driven to reset, the linkage 4 drives the locking head section 32 and the locking tail section 33 of the locking member 3 to separate. When the linkage 4 moves again, it drives the separation member 5 to move, so that the separation component lifts the template 1, realizing the rapid separation of the template 1 from the beam wall. This device drives the linkage 4 manually. The linkage 4 drives the locking member 3 and the separation member 5 respectively, so that the locking member 3 uses the locking head section 32 and the locking tail section 33 to stick and fix the two templates 1 together. The separation member 5 quickly separates the template 1 from the beam wall during the reset of the linkage 4, making the template 1 more efficient in the molding and disassembly process and reducing the limitations of the template 1 in the installation process.

[0020] The linkage 4 includes a support column 41, a rotating cap 42 fixedly connected to the top of the support column 41, a bevel gear 43 near the rotating cap 42, a bevel gear 44 meshing with a bevel gear 44 at one end of the bevel gear 43, a threaded rod 45 fixedly connected to one end of the bevel gear 44; a threaded block 46 threadedly connected to one end of the threaded rod 45 near the bevel gear 44, a movable frame 47 fixedly connected to one end of the threaded block 46, a linkage rod 48 fixedly connected to one end of the movable frame 47, and connecting rods 410 symmetrically fixed to both ends of the movable frame 47; a transmission rod 49 movably provided at one end of the linkage rod 48, a limiting groove 491 provided at one end of the transmission rod 49 and adapted to the linkage rod 48, a stop block 492 fixedly connected to one end of the transmission rod 49, and a separating member 5 driven at one end of the stop block 492.

[0021] Specifically, the support column 41 is rotatably connected to the template 1. The rotating cap 42, which is fixedly connected to the support column 41, drives the bevel gear 43 to rotate through the Allen wrench. The bevel gear 44, which meshes with the bevel gear 43, drives the threaded rod 45 to rotate. The threaded block 46, which is threadedly connected in the threaded rod 45, moves directionally along the threaded rod 45. The locking member 3, which is fixedly connected to the moving frame 47 and connected by the connecting rod 410, moves directionally under the rotation of the threaded rod 45. The other end of the moving frame 47 drives the transmission rod 49 to move through the linkage rod 48. The abutment 492, which is fixedly connected in the transmission rod 49, abuts against the separating member 5, so that the separating member 5, after being subjected to force, lifts the template 1 and separates it from the beam wall. The limiting groove 491 opened in the transmission rod 49 is used to reserve the movement stroke of the linkage member 4, so that the separating member 5 is transmitted during the secondary movement stroke of the linkage member 4.

[0022] The locking head section 32 includes a rectangular strip 321. A locking block 3210 is fixedly connected to one end of the rectangular strip 321. A support rod 328 is provided at one end of the locking block 3210. A movable block 327 is slidably connected to one end of the support rod 328. A pull rod 326 is fixedly connected to one end of the movable block 327. A lever 3291 is fixedly connected to the bottom end of the movable block 327. A slider 324 is fixedly connected to the end of the pull rod 326 away from the movable block 327. A sliding rod 323 is slidably connected to one end of the slider 324. The sliding rod 323 is located in an inner groove 322. 2. A rectangular strip 321 is formed on the slider 324; a bearing 325 is fixedly connected to the end of the slider 324 away from the slide rod 323, and a pull arm 411 is movably connected to one end of the bearing 325, with one end of the pull arm 411 fixedly connected to the connecting rod 410; the locking seat 332 includes a support strip 3211, a rotating shaft 3212 is rotatably connected inside the support strip 3211, a rocker arm 3213 is fixedly connected to one end of the rotating shaft 3212, and a locking strip 3215 is fixedly connected to the other end of the rotating shaft 3212; a limiting groove 3214 is formed at one end of the rocker arm 3213. A lever 3291 is provided within the limiting groove 3214, and the lever 3291 is fixedly connected to the support arm 329; the locking tail section 33 includes a rectangular block 331, one end of which has a compensation groove 333, and a locking seat 332 is fixedly connected to the end of the rectangular block 331 near the compensation groove 333; the locking seat 332 includes a support block 3321, and the support block 3321 is fixedly connected to the rectangular block 331, one end of which has a guide groove 3322, and a locking bolt 3323 is provided within the guide groove 3322; the support block 3321... One end of 321 is provided with a positioning groove 3324. When the support plate 57 is subjected to force, the template 1 that is in contact with the beam wall is subjected to the reaction force of the support plate 57, which causes the template 1 to separate from the beam wall, thereby making the template 1 easy to disassemble and reducing the phenomenon of damage to the beam wall surface. The connecting plate 52 fixedly connected to the moving block 51, as well as the fixing ear 53 and the return spring 54 fixedly connected to the connecting plate 52, facilitate the return spring 54 to drive the support plate 57 and the template 1 to return to their original positions after the stop bar 58 and the abutment block 492 fixedly connected to the support block 3321 are misaligned.

[0023] Specifically, in the locking head section 32, the rectangular bar 321 is slidably disposed within the slot opened in the template 1. The locking block 3210 fixedly connected to one end of the rectangular bar 321 is used to engage the locking seat 332 in the locking tail section 33. The slide rod 323 fixedly connected in the inner slide groove 322 opened in the rectangular bar 321 is used to limit the distance the slider 324 moves in the slide rod 323. The connecting rod 410 in the shaft seat 325 fixedly connected to the slider 324 is fixed to the moving frame 47 via the pull arm 411. The transmission connection allows the slider 324 to move synchronously along the slide bar 323 when the movable frame 47 moves along the threaded rod 45. The slider 324 transmits the locking block 3210 to engage with the locking tail section 33 via the pull rod 326. The locking block 3210 is fixed to the rectangular bar 321 via a support bar 3211. A rotating shaft 3212 is rotatably connected to the support bar 3211. The locking bar 3215, which is fixedly connected to the rotating shaft 3212, is connected to the fixed swing arm 3213. The swing arm 3213 drives the locking bar 3215 to rotate. When the pull rod 326 is driven by the linkage 4, the movable block 327 fixed to the pull rod 326 moves along the support rod 328 fixed to the support bar 3211. The support arm 329 fixedly connected to the movable block 327 drives the swing arm 3213 to move through the lever 3291 fixed to it, thereby realizing the rotation of the locking bar 3215. When the locking bar 3215 rotates along the rotation axis 3212 to the locking seat 332 fixed to it... At bolt 3323, locking bar 3215 engages bolt 3323. When linkage 4 drives slider 324 to reset via pull arm 411, pull rod 326 drives support arm 329 to move directionally along support bar 3211. The lever 3291 fixed by support arm 329 drives swing arm 3213 to move in the opposite direction, so that swing arm 3213 drives locking bar 3215 to separate from bolt 3323, so as to facilitate the efficient separation of locking head section 32 and locking tail section 33.

[0024] The separating component 5 includes a movable block 51, which is disposed through the template 1. A support plate 57 is fixedly connected to one end of the movable block 51, and a connecting plate 52 is fixedly connected to the other end of the movable block 51. A stop bar 58 is fixedly connected to the end of the movable block 51 near the connecting plate 52, and the stop bar 58 fits snugly with the abutment block 492. Fixed ears 53 are symmetrically fixed to both ends of the connecting plate 52. A limiting rod 55 is disposed through the fixed ear 53. A support plate 56 is fixedly connected to one end of the limiting rod 55, and the support plate 56 is fixedly connected to the template 1. A return spring 54 is fixedly connected to one end of the support plate 56, and the other end of the return spring 54 is fixedly connected to the fixed ear 53.

[0025] Specifically, the movable block 51 in the separating component 5 is movably disposed in the through groove opened in the template 1. The support plate 57 fixedly connected to the movable block 51 is adapted to the groove at one end of the template 1 near the beam wall. When the movable frame 47 drives the transmission rod 49 to move through the linkage rod 48, the abutment 492 fixedly connected to one end of the transmission rod 49 abuts against the stop rod 58 fixedly connected to the movable block 51, so that the movable block 51 is pressed against the support plate 57 against the beam wall by the pressure of the abutment 492. When the support plate 57 is under force, the template 1 that is in contact with the beam wall is subjected to the reaction force of the support plate 57, so that the template 1 is separated from the beam wall, realizing the convenience of disassembling the template 1 and reducing the phenomenon of damage to the beam wall surface. The connecting plate 52 fixedly connected to the movable block 51 and the fixed ear 53 and the return spring 54 fixedly connected to the connecting plate 52 facilitate the return spring 54 to drive the support plate 57 and the template 1 to return after the stop rod 58 fixedly connected to the support block 3321 and the abutment 492 are misaligned.

[0026] Working principle: The template 1 is lifted by hoisting equipment and moved to the fixed template 1. The locking head section 32 of the lifted template 1 is placed on the locking tail section 33 of the fixed template 1. The positioning groove 3324 in the locking tail section 33 is used to guide the locking head section 32. The locking members 3 are symmetrically arranged in sliding within the template 1. The locking members 3 between the two templates 1 are connected by the locking head section 32 and the locking tail section 33, so that the two templates 1 are locked and fixed by the locking members 3 during installation. The linkage 4 located in the template 1 is driven to rotate manually. The support column 41 is rotatably connected to the template 1. The rotating cap 42 fixedly connected to the support column 41 drives the bevel gear 43 to rotate through the internal hex wrench. The bevel gear 43 meshes with the bevel gear. Gear 44 drives the threaded rod 45 to rotate. The threaded block 46, which is threadedly connected in the threaded rod 45, moves directionally along the threaded rod 45. The locking member 3, which is fixedly connected to the moving frame 47 and connected by the connecting rod 410, moves directionally under the rotation of the threaded rod 45. The other end of the moving frame 47 drives the transmission rod 49 to move through the connecting rod 48, and the abutment 492 fixed in the transmission rod 49 abuts against the separating member 5, so that the separating member 5, under force, lifts the template 1 and separates it from the beam wall. The limiting groove 491 opened in the transmission rod 49 is used to reserve the movement stroke of the connecting member 4, so that the separating member 5 is driven in the second movement stroke of the connecting member 4, so that the connecting member 4 drives the locking member 3 and the separating member 5 to move respectively. When component 4 moves the locking component 3 laterally, the locking head section 32 of the locking component 3 locks the locking tail section 33 of the other template 1, and moves further laterally through the linkage 4. The linkage 4 drives the separating component 5 to close with the template 1. The two templates 1 are closed under the action of the linkage 4 while the locking head section 32 and the locking tail section 33 are engaged. This makes it more convenient for the two templates 1 to be used in the molding process and improves the efficiency of the template 1. When the linkage 4 is reset, the linkage 4 drives the locking head section 32 and the locking tail section 33 of the locking component 3 to separate. When the linkage 4 moves again, it drives the separating component 5 to move, so that the separating component lifts the template 1, realizing the rapid separation of the template 1 from the beam wall. The locking block 3210 is fixed by the support bar 3211. On the rectangular bar 321, a rotating shaft 3212 is rotatably connected to the support bar 3211. The rotating shaft 3212 is fixedly connected to the locking bar 3215 and its fixed swing arm 3213. The swing arm 3213 drives the locking bar 3215 to rotate. When the pull rod 326 is driven by the linkage 4, the movable block 327 fixed to the pull rod 326 moves along the support rod 328 fixed to the support bar 3211. The support arm 329 fixedly connected to the movable block 327 drives the swing arm 3213 to move through the lever 3291 fixed to it, thereby driving the locking bar 3215 to rotate. When the locking bar 3215 rotates along the rotating shaft 3212 to the bolt 3323 fixed to the locking seat 332, the locking bar 3215 engages the bolt 3323.When the linkage 4 drives the slider 324 to reset via the pull arm 411, the pull rod 326 drives the support arm 329 to move in a directional direction along the support bar 3211. The lever 3291 fixed to the support arm 329 drives the swing arm 3213 to move in the opposite direction, causing the swing arm 3213 to separate the locking bar 3215 from the bolt 3323.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A combined casting mold based on the processing of prefabricated bridge components, characterized in that, Includes template (1) and reinforcing ribs (2) inside template (1); The reinforcing rib (2) is provided with a connecting member (4), and the connecting member (4) is respectively connected to a locking member (3) and a separating member (5); the locking member (3) includes a connecting middle section (31), one end of the connecting middle section (31) is fixedly connected to a locking head section (32), and the other end of the connecting middle section (31) is fixedly connected to a locking tail section (33). When the linkage (4) drives the reinforcing rib (2) to move laterally, the locking head section (32) and locking tail section (33) inside the reinforcing rib (2) are locked, and the two templates (1) are locked during the movement of the linkage (4), and the separating part (5) is in a closed state with the template (1); when the linkage (4) drives the reinforcing rib (2) to reset, the locking head section (32) and locking tail section (33) are separated, and the separating part (5) is driven to separate it from the template (1), so that the separating part (5) separates the template (1) from the beam wall.

2. The combined casting mold based on the processing of prefabricated bridge components according to claim 1, characterized in that, The linkage (4) includes a support column (41), a rotating cap (42) is fixedly connected to the top of the support column (41), a bevel gear (43) is provided at one end of the support column (41) near the rotating cap (42), a bevel gear (44) is meshed at one end of the bevel gear (43), and a threaded rod (45) is fixedly connected to one end of the bevel gear (44).

3. The combined casting mold based on the processing of prefabricated bridge components according to claim 2, characterized in that, The threaded rod (45) is threaded to a threaded block (46) at one end near the bevel gear (44). A movable frame (47) is fixed to one end of the threaded block (46). A connecting rod (48) is fixed to one end of the movable frame (47). Connecting rods (410) are symmetrically fixed to both ends of the movable frame (47).

4. The combined casting mold based on the processing of prefabricated bridge components according to claim 3, characterized in that, One end of the linkage rod (48) is movably provided with a transmission rod (49). One end of the transmission rod (49) is provided with a limiting groove (491), and the limiting groove (491) is adapted to the linkage rod (48). One end of the transmission rod (49) is fixedly connected with a stop block (492), and one end of the stop block (492) is driven by a separating member (5).

5. A combined casting mold based on the processing of prefabricated bridge components according to claim 1, characterized in that, The locking head section (32) includes a rectangular strip (321), one end of which is fixedly connected to a locking block (3210), one end of which is provided with a support rod (328), one end of which is slidably connected to a movable block (327), one end of which is fixedly connected to a pull rod (326), and the bottom end of which is fixedly connected to a lever (3291).

6. A combined casting mold based on the processing of prefabricated bridge components according to claim 5, characterized in that, The end of the pull rod (326) away from the movable block (327) is fixedly connected to a slider (324), and the end of the slider (324) is slidably connected to a slide rod (323). The slide rod (323) is located in an inner slide groove (322), and the inner slide groove (322) is opened on a rectangular strip (321). The end of the slider (324) away from the slide rod (323) is fixedly connected to a bearing seat (325), and the end of the bearing seat (325) is movably connected to a pull arm (411), and the end of the pull arm (411) is fixedly connected to a connecting rod (410).

7. A combined casting mold based on the processing of prefabricated bridge components according to claim 6, characterized in that, The locking seat (332) includes a support bar (3211), a rotating shaft (3212) is rotatably connected inside the support bar (3211), a swing arm rod (3213) is fixedly connected to one end of the rotating shaft (3212), and a locking bar (3215) is fixedly connected to the other end of the rotating shaft (3212); a limiting groove (3214) is opened at one end of the swing arm rod (3213), a lever (3291) is provided in the limiting groove (3214), and the lever (3291) is fixedly connected to the support arm (329).

8. A combined casting mold based on the processing of prefabricated bridge components according to claim 1, characterized in that, The locking tail section (33) includes a rectangular block (331), one end of which is provided with a compensation groove (333), and a locking seat (332) is fixedly connected to the end of the rectangular block (331) near the compensation groove (333); the locking seat (332) includes a support block (3321), and the support block (3321) is fixedly connected to the rectangular block (331), one end of which is provided with a guide groove (3322), a locking bolt (3323) is provided in the guide groove (3322), and one end of which is provided with a positioning groove (3324).

9. A combined casting mold based on the processing of prefabricated bridge components according to claim 1, characterized in that, The separating component (5) includes a movable block (51), which is disposed through the template (1). One end of the movable block (51) is fixedly connected to a support plate (57), and the other end of the movable block (51) is fixedly connected to a connecting plate (52). One end of the movable block (51) near the connecting plate (52) is fixedly connected to a stop bar (58), and the stop bar (58) fits snugly with the abutment block (492). The two ends of the connecting plate (52) are symmetrically fixedly connected to fixing ears (53).

10. A combined casting mold based on the processing of prefabricated bridge components according to claim 9, characterized in that, A limiting rod (55) is provided through the fixed ear (53). One end of the limiting rod (55) is fixedly connected to a support plate (56), and the support plate (56) is fixedly connected to the template (1). One end of the support plate (56) is fixedly connected to a reset spring (54), and the other end of the reset spring (54) is fixedly connected to the fixed ear (53).