A support frame for cast-in-place cap beams and its construction method

Abstract

This invention relates to a support structure for cast-in-place cap beams and its construction method. The support structure includes a foundation and a casting mold. The casting mold includes a pier mold and a crossbeam mold. The pier mold is connected to the foundation, and the crossbeam mold is connected to the pier mold. A support structure is mounted on the foundation, and the support structure includes a support frame and a support plate. Several support frames are mounted on the foundation, and each support frame is formed by stacking several support frames. Each support frame is equipped with a locking component to lock adjacent support frames. The pier mold is located on one side of the support frame. The support plate is located at the top of the several support frames. The support plate is equipped with a positioning element to position the support plate on the support frame. Several limiting frames for supporting the crossbeam mold are mounted on the support plate, and the limiting frames abut against the crossbeam mold. This invention improves the construction efficiency of cast-in-place cap beams.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bridge construction, in particular to a support for cast-in-place capping beam and a construction method thereof. BACKGROUND

[0002] The cast-in-place capping beam refers to a capping beam component made by pouring steel and concrete on site according to design requirements. This method has strong flexibility, is suitable for irregular capping beams of various shapes, and has a relatively short construction period and easy quality control during construction.

[0003] The site pouring is divided into two types. One is integral pouring, that is, the pier column and the cross beam are poured at the same time. The other is segmented pouring, that is, the pier column is poured first, and then the cross beam is poured by setting a formwork on the pier column. The two types are divided by a 15-meter boundary. The capping beam with a length of not more than 15 meters is poured integrally, and the capping beam with a length of more than 15 meters is poured in segments. Because the pouring processes are different, the supports used for pouring the capping beam are also different.

[0004] A cast-in-place capping beam assembly type steel pipe support is disclosed in Chinese Patent No. CN213804929U. The support includes a steel pipe support pier, a profile steel limiting frame, a formwork, a sand box, a U-shaped clamp, and a support foundation. The support foundation is arranged at the bottom periphery of the bridge pier column, the steel pipe support pier is arranged on the support foundation, the sand box is arranged on the steel pipe support pier and used for removing the profile steel limiting frame after pouring the capping beam, the profile steel limiting frame includes a mold frame and a horizontally arranged main beam, the mold frame is integrally arranged above the main beam, the formwork is arranged on the upper end surface of the mold frame and used for pouring the capping beam to make the capping beam and the bridge pier column integrally formed, and the main beam is arranged on the top of the sand box and detachably connected with the steel pipe support pier through the U-shaped clamp. The utility model has the advantages of simple and fast assembly and disassembly, short construction period, improved capping beam product quality, shortened construction period, guaranteed safety of labor personnel, reduced probability of safety accidents during construction, and improved social benefits and enterprise image.

[0005] In view of the related art, the steel pipe support pier used by the workers when erecting the support in the prior art is connected with the support leg, the bottom section, the flange plate, the stairs, and the workbench through the flange. These need to be manually operated by the workers, which consumes a large amount of labor of the workers, prolongs the erection time of the support, and reduces the construction efficiency of the cast-in-place capping beam. SUMMARY

[0006] In order to improve the construction efficiency of the cast-in-place capping beam, the present application provides a support for cast-in-place capping beam.

[0007] The support for cast-in-place capping beam provided by the present application adopts the following technical solution:

[0008] The utility model provides a cast-in-place cover beam support, including bearing platform and pouring mould, the pouring mould includes pier column mould and crossbeam mould, the pier column mould is connected on the bearing platform, the crossbeam mould is connected on the pier column mould, the bearing platform is provided with support, the support includes support group frame and support plate, a plurality of support group frames are arranged on the bearing platform, the support group frame is stacked by a plurality of support frames, locking assembly that locking adjacent support frame is arranged on the support frame, the pier column mould is located one side of the support group frame, the support plate is arranged on the top end of a plurality of support group frames, the support plate is provided with positioning piece that the support plate is positioned on the support group frame, a plurality of limiting frames for supporting the crossbeam mould are arranged on the support plate, and the limiting frame is in contact with the crossbeam mould.

[0009] Through the above technical scheme, when erecting the support, the staff stacks the support frames, then locks the support frames by the locking assembly to form the support group frame, then positions the support plate on the topmost support frame by the positioning piece, and connects the pouring mould on the bearing platform, so that the pier column mould is located on one side of the support group frame, and the limiting frame is in contact with the crossbeam mould, thereby achieving the erection of the support. The staff uses the stacking of the support frames to support the height of the support plate, the support frame is an integrated frame, the structure is firm, and the staff only needs to lock two adjacent support frames by the locking assembly. Compared with the common steel pipe erection, the construction content is simpler and faster, the labor intensity of the staff is reduced, the erection time of the support is shortened, and the construction efficiency of the cast-in-place cover beam is improved.

[0010] Optionally, the positioning piece is a reinforcing rib plate, and the reinforcing rib plate is connected to a plurality of blocks on the bottom wall of the support plate.

[0011] Through the above technical scheme, one side of the reinforcing rib plate is used to position the mounting position of the support plate on the support frame, thereby improving the mounting precision of the support plate, and the other side of the reinforcing rib plate is used to strengthen the structural strength of the support plate, thereby reducing the possibility of stress deformation of the support plate.

[0012] Optionally, the locking assembly comprises a rotating column, a locking block and an ejection spring, the rotating column is rotatably connected in the support frame, the top end of the rotating column is connected with a push rod, the bottom end of the rotating column is provided with a moving groove, the locking block is slidingly fitted in the moving groove, the locking block is provided with a transition fillet, the ejection spring is arranged in the moving groove and located between the inner bottom wall of the moving groove and the locking block, the support frame is provided with a push groove corresponding to the position of the push rod, the push rod is located in the push groove, and the top end of another support frame is provided with an insertion hole, the bottom end of the insertion hole is provided with a locking groove, when the support frames are locked, the rotating column is inserted and fitted in the insertion hole, the locking block is partially located in the locking groove, and the ejection spring is compressed.

[0013] By adopting the above technical solution, when locking the support frame, the operator moves the lever downwards, causing the rotating column to move downwards until the rotating column reaches the bottom of the insertion hole. Rotating the lever causes the rotating column to rotate, and the locking block, under the force of the ejecting spring, partially enters the locking groove, thus restricting the vertical movement of the support frame and locking it. When removing the support frame, the operator rotates the lever in the opposite direction, causing the rotating column to rotate until the transition rounded corner abuts against the edge of the insertion hole, causing the locking block to move in the opposite direction and enter the moving groove. Then, the lever is raised to disengage the locking block from the insertion hole, allowing the support frame to be removed.

[0014] Optionally, the support plate is assembled from a first plate and a second plate, with a traction assembly between the first plate and the second plate. The traction assembly includes a fixed column, a rotating block, a rotating cylinder, a traction column, a pressure spring, and a limiting block. The fixed column is connected to the first plate and inserted into the second plate. A fixed block is connected to the second plate. The rotating block is rotatably connected to the fixed block. One end of the rotating cylinder is connected to the rotating block and located inside the fixed block. The traction column is inserted into the rotating cylinder. The limiting block is connected inside the rotating cylinder. A limiting groove is formed at the position of the traction column corresponding to the limiting block. The limiting block is slidably fitted in the limiting groove. One end of the limiting groove is connected to a sealing block, which abuts against the limiting block. The pressure spring is located inside the rotating cylinder and between the traction column and the rotating block. The pressure spring is in a compressed state. The traction column is threadedly engaged with the fixed column.

[0015] By adopting the above technical solution, when the support plate is installed securely, the worker inserts the fixing column into the second plate, so that the fixing column abuts against the traction column, the pressure spring is compressed, and then the rotating block is rotated, which drives the rotating cylinder to rotate. The traction column is restricted by the limiting block and rotates with the rotating cylinder, so that the traction column and the fixing column are threaded together and move towards the fixing column until the sealing block abuts against the limiting block, the traction column stops moving, the traction column continues to rotate, the fixing column moves until the fixing column abuts against the fixing block, at which point the first plate fits against the second plate, and the support plate is securely installed.

[0016] Optionally, a positioning frame is connected to the bottom wall of the support frame. The cross-section of the positioning frame is an inverted trapezoid. The top of the support frame has a positioning groove that matches the shape of the positioning frame. When the support frame is locked, the positioning frame of one support frame is embedded in the positioning groove of the other support frame.

[0017] By adopting the above technical solution, the positioning frame and positioning groove are used to position the relative positions between two adjacent support frames, so as to align the center of gravity of each support frame as much as possible, thereby maximizing the stability of the support frame.

[0018] Optionally, a plurality of sand boxes are connected to the support plate, and a load-bearing plate is connected to the sand boxes. The limiting frame is connected to the load-bearing plate, and the assembly structure of the load-bearing plate is the same as that of the support plate. A plurality of positioning components for positioning the load-bearing plate are provided on the support plate.

[0019] By adopting the above technical solution, the weight of the crossbeam will act on the support plate after the crossbeam is poured, causing stress on the entire support structure. This increases the friction between the various components of the support structure, making disassembly more difficult. The sand box is used to unload the weight of the crossbeam, allowing the load-bearing plate and the restraining frame to descend a short distance to detach from the crossbeam. This reduces the stress on the support structure and makes it easier for workers to disassemble it.

[0020] Optionally, the positioning component includes a positioning post and a positioning cylinder. The positioning post is vertically connected to the support plate, and the positioning cylinder is connected to the load-bearing plate at a position corresponding to the positioning post. The positioning post passes through the load-bearing plate and the positioning cylinder and is inserted into the positioning cylinder.

[0021] By adopting the above technical solution, the staff used the cooperation of positioning cylinder and positioning column to limit the installation position of the load-bearing plate and reduce the possibility of the load-bearing plate shifting when under load.

[0022] Optionally, a limiting plate is connected to both the support plate and the load-bearing plate at a position near the pier formwork. The limiting plate has an arc groove that matches the shape of the pier formwork and the arc groove fits the surface of the pier formwork.

[0023] By adopting the above technical solution, the staff can use the arc groove to fit the surface of the pier column mold, which can both locate the pouring position of the pier column and improve the stability of the pouring mold during pouring.

[0024] A method for constructing a support system for a cast-in-place cap beam includes the following steps:

[0025] S1. Install the support frame: First, connect the first support frame to the bearing platform with bolts. Embed the positioning strip on the second support frame into the positioning groove of the first support frame. Move the lever downward and rotate it 90 degrees, causing the rotating column to rotate 90 degrees. The locking block is pushed out by the force of the spring, and part of the locking block is located in the locking groove. Install several sets of support frames in the above manner. S2. Install the support plate: Move the first plate and the second plate towards each other, so that the positioning piece fits against the side wall of the support frame. Insert the fixing column into the second plate and rotate the rotating block to make the rotating cylinder rotate. S3. Drive the traction column to rotate, so that the traction column and the fixed column are threaded together, so that the traction column moves until the sealing block touches the limiting block. Continue to rotate the rotating cylinder, and the fixed column moves until it touches the fixed block; S4. Install sand boxes: Connect several sand boxes to the support plate with bolts. Use the installation method of the traction component to first install the load-bearing plate, and put the positioning cylinder on the positioning column so that the load-bearing plate touches the load-bearing end of the sand box; S5. Install the casting mold: Pass the pier column mold through the load-bearing plate, support plate and support frame, and touch the load-bearing platform, so that the limiting frame touches the crossbeam mold, and install the limiting plate.

[0026] By adopting the above technical solution, the support frame is stacked to the specified height through the cooperation of positioning frame strips and locking components. Then, the support plate is positioned and installed on the support frame using positioning parts and traction components. Next, sand boxes and load-bearing plates are installed on the support plates, and finally, the casting mold is placed, so that the limiting plate restricts the pier column mold and the limiting frame presses against the crossbeam mold, thus completing the installation of the support. The entire support erection process is simple to operate, has a short construction time, and low labor intensity, improving the construction efficiency of cast-in-place cap beams.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. During scaffolding erection, workers stack the support frames and then lock them together using locking components to form a support assembly. Positioning devices are then used to position the support plate on the top support frame. The casting mold is then connected to the pier platform, positioning the pier column mold on one side of the support assembly and preventing the frame from contacting the crossbeam mold, thus completing the scaffolding erection. Workers utilize the stacking of support frames to support the height of the support plate. The support frame is an integrated frame with a robust structure. Workers only need to lock adjacent support frames using locking components. Compared to the commonly used steel pipe erection method, the construction process is simpler and faster, reducing the labor intensity of workers, shortening the scaffolding erection time, and improving the construction efficiency of the cast-in-place cap beam.

[0029] 2. When locking the support frame, the operator moves the lever downwards, causing the rotating column to move downwards until it reaches the bottom of the insertion hole. Rotating the lever causes the rotating column to rotate, and the locking block, under the force of the ejecting spring, partially enters the locking groove, thus restricting the vertical movement of the support frame and locking it. When removing the support frame, the operator rotates the lever in the opposite direction, causing the rotating column to rotate until the transition fillet abuts against the edge of the insertion hole, causing the locking block to move in the opposite direction and enter the moving groove. Then, the operator raises the lever to disengage the locking block from the insertion hole, allowing the support frame to be removed.

[0030] 3. When installing the support plate securely, the worker inserts the fixing column into the second plate, so that the fixing column abuts against the traction column. The pressure spring is compressed, and then the rotating block is rotated, which drives the rotating cylinder to rotate. The traction column is restricted by the limiting block and rotates with the rotating cylinder, so that the traction column and the fixing column are threaded together and move towards the fixing column until the sealing block abuts against the limiting block. The traction column stops moving. Continue to rotate the traction column, and the fixing column moves until the fixing column abuts against the fixing block. At this time, the first plate is attached to the second plate, and the support plate is securely installed.

[0031] 4. After stacking the support frame to the designated height using the positioning frame strips and locking components, the support plate is positioned and installed on the support assembly using positioning parts and traction components. Then, sand boxes and load-bearing plates are installed on the support plates, and finally, the casting mold is placed, so that the limiting plate restricts the pier column mold and the limiting frame presses against the crossbeam mold, completing the installation of the support. The entire support erection process is simple to operate, has a short construction time, and low labor intensity, improving the construction efficiency of cast-in-place cap beams. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of the support for the cast-in-place cap beam in the embodiments of this application.

[0033] Figure 2 This is an exploded view used in the embodiments of this application to illustrate the structure of the support frame and locking assembly.

[0034] Figure 3 This is an exploded view used in the embodiments of this application to illustrate the structure of the locking component.

[0035] Figure 4 This is a cross-sectional view used to illustrate the structure of the locking assembly in the embodiments of this application.

[0036] Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0037] Figure 6 This is an exploded view used in the embodiments of this application to illustrate the structure of the support plate and positioning components.

[0038] Figure 7This is an exploded view used in the embodiments of this application to illustrate the structure of the traction component.

[0039] Figure 8 This is a cross-sectional view used to illustrate the structure of the traction component in the embodiments of this application.

[0040] Figure 9 yes Figure 8 Enlarged view of section B in the middle.

[0041] Explanation of reference numerals in the attached drawings: 01, foundation; 1, casting mold; 11, pier mold; 12, beam mold; 2, bracket; 21, support frame; 211, support frame; 212, positioning frame strip; 22, support plate; 221, first plate; 222, second plate; 3, locking assembly; 31, rotating column; 311, actuating rod; 32, locking block; 321, transition fillet; 33, ejection spring; 4, positioning component; 5, traction assembly; 51, fixed column; 52, rotating block; 53, rotating cylinder; 54, traction column; 541, limiting groove; 542, sealing block; 55, pressure spring; 56, limiting block; 6, sand box; 61, load-bearing plate; 62, limiting frame; 7, positioning assembly; 71, positioning column; 72, positioning cylinder; 8, limiting plate. Detailed Implementation

[0042] The following is in conjunction with the appendix Figures 1-9 This application will be described in further detail.

[0043] This application discloses a support structure for cast-in-place cap beams and its construction method. (Refer to...) Figure 1 and Figure 2 The support frame for the cast-in-place cap beam includes a foundation 01 and a casting mold 1. A support frame 2 is installed on the foundation 01. The support frame 2 includes a support frame 21 and a support plate 22. The support frame 21 is composed of several stacked support frames 211. The support frame 211 is an integral rectangular frame welded from several steel sections. Several sets of support frames 21 are placed on the foundation 01. In this embodiment, three sets are used as an example. A fixed frame edge is fixedly connected to the first support frame 211. The fixed frame edge is connected to the foundation 01 by bolts.

[0044] Reference Figure 2 A positioning frame strip 212 is fixedly connected to the bottom end of the support frame 211. The cross-section of the positioning frame strip 212 is an inverted trapezoid. A positioning groove is formed at the top of the support frame 211 corresponding to the position of the positioning frame strip 212. The positioning frame strip 212 of the upper support frame 211 is embedded in the positioning groove of the lower support frame 211. The cooperation between the positioning frame strip 212 and the positioning groove is used to position the relative position between two adjacent support frames 211.

[0045] Reference Figure 2 , Figure 3 and Figure 4Each corner of the support frame 211 is equipped with a locking assembly 3, which includes a rotating column 31, a locking block 32, and an ejector spring 33. The rotating column 31 is slidably fitted to the bottom end of the support frame 211, and a toggle rod 311 is fixedly connected to the top end of the rotating column 31. A toggle groove is formed on the support frame 211 at the position corresponding to the toggle rod 311, and the toggle rod 311 is located in the toggle groove. A moving groove is formed at the bottom end of the rotating column 31, and the locking block 32 is slidably fitted in the moving groove. The locking block 32 is provided with a transition fillet 321. A moving block is fixedly connected to the locking block 32, and a stop block is fixedly connected to the opening of the moving groove at the position corresponding to the moving block. The ejector spring 33 is set in the moving groove and is located between the locking block 32 and the bottom wall of the moving groove.

[0046] Reference Figure 5 When locking the support frame 211, the worker inserts the positioning frame strip 212 of the upper support frame 211 into the positioning groove of the lower support frame 211, and then moves the actuating rod 311 downward to move the rotating column 31 downward until the moving column reaches the bottom of the insertion hole. The actuating rod 311 is rotated to make the rotating column 31 rotate. The locking block 32 is subjected to the force of the ejecting spring 33. The moving block abuts against the stop block, and part of the locking block 32 enters the locking groove, thereby restricting the vertical movement of the support frame 211 and achieving the effect of locking the support frame 211.

[0047] Reference Figure 1 , Figure 6 and Figure 7 The support plate 22 is assembled from a first plate 221 and a second plate 222. Positioning elements 4, which are reinforcing ribs, are provided on the bottom walls of both the first plate 221 and the second plate 222. Several positioning elements 4 are fixed to the bottom walls of both plates, and they abut against the side walls of the support frame 211. Workers use the positioning elements 4 to position the first plate 221 and the second plate 222 on the support frame 211, thus improving the stability and installation accuracy of the support plate 22.

[0048] Reference Figure 7 , Figure 8 and Figure 9A plurality of traction components 5 are provided between the first plate 221 and the second plate 222. In this embodiment, two sets are used as an example. The traction component 5 includes a fixed column 51, a rotating block 52, a rotating cylinder 53, a traction column 54, a pressure spring 55, and a limiting block 56. The fixed column 51 is fixedly connected to the side wall opposite to the first plate 221 and the second plate 222, and the fixed column 51 is inserted into the second plate 222. A fixed block is fixedly connected to the second plate 222 at the position corresponding to the fixed column 51. The rotating block 52 is rotatably connected to the fixed block. One end of the rotating cylinder 53 is fixedly connected to the rotating block 52 and is located inside the fixed block. The limiting block 56 is fixedly connected to the inner arc wall of the rotating cylinder 53. The traction column 54 is inserted into the rotating cylinder 53. A limiting groove 541 is opened at the position of the inserted column corresponding to the limiting block 56. A sealing block 542 is fixedly connected to one end of the limiting groove 541. The limiting block 56 is slidably fitted in the limiting groove 541. The pressure spring 55 is installed inside the rotating cylinder 53 and is located between the rotating block 52 and the traction column 54. The pressure spring 55 is in a compressed state, the sealing block 542 abuts against the limiting block 56, and the traction column 54 is threadedly engaged with the fixed column 51.

[0049] When the first plate 221 is pulled, the worker inserts the fixing post 51 into the second plate 222. The fixing post 51 abuts against the traction post 54, causing the traction post 54 to move. The pressure spring 55 is compressed. Then, the rotating block 52 is rotated, which drives the rotating cylinder 53 to rotate. The traction post 54 is restricted by the limiting block 56 and rotates with the rotating cylinder 53, so that the traction post 54 and the fixing post 51 are threaded together and move towards the fixing post 51 until the sealing block 542 abuts against the limiting block 56. The traction post 54 stops moving. The traction post 54 continues to rotate, and the fixing post 51 moves towards the traction post 54 until the fixing post 51 abuts against the fixing block. At this time, the first plate 221 fits against the second plate 222, realizing the stable installation of the support plate 22.

[0050] Reference Figure 6 Several sand boxes 6 are bolted to both the first plate 221 and the second plate 222. In this embodiment, four are used as an example. The load-bearing end of the sand box 6 is provided with a load-bearing plate 61, and the assembly structure of the load-bearing plate 61 is the same as that of the support plate 22. Several positioning components 7 are provided between the load-bearing plate 61 and the support plate 22. The positioning components 7 include positioning posts 71 and positioning cylinders 72. The positioning posts 71 are vertically fixedly connected to the support plate 22, and the positioning cylinders 72 are fixedly connected to the load-bearing plate 61 at the positions corresponding to the positioning posts 71. The positioning posts 71 pass through the load-bearing plate 61 and the positioning cylinders 72 and are inserted into the positioning cylinders 72.

[0051] Reference Figure 1 and Figure 6The casting mold 1 includes a pier mold 11 and a crossbeam mold 12. Two pier molds 11 are provided, both fixedly connected to the lower end of the crossbeam mold 12. The pier molds 11 are located on one side of the support frame 21 and abut against the foundation 01. The crossbeam mold 12 is located above the load-bearing plate 61. Restriction plates 8 are fixedly connected to the support plate 22 and the load-bearing plate 61 at positions corresponding to the pier molds 11. The restriction plates 8 have arc grooves matching the shape of the pier molds 11, fitting snugly against the surface of the pier molds 11. Several restriction frames 62 are fixedly connected to the load-bearing plate 61, abutting against the side wall of the crossbeam mold 12. The workers use the cooperation of the restriction frames 62 and restriction plates 8 to restrict the casting mold 1, improving its stability.

[0052] The implementation principle of a support for a cast-in-place cap beam according to an embodiment of this application is as follows: When installing the support 2, the worker connects the first support frame 211 to the bearing platform 01 with bolts. Then, the second support frame 211 is placed on the first support frame 211, and the positioning frame strip 212 is embedded in the positioning groove. Then, the actuating rod 311 is moved downward, causing the rotating column 31 to move downward until the moving column reaches the bottom of the insertion hole. The actuating rod 311 is rotated, causing the rotating column 31 to rotate. The locking block 32 is subjected to the force of the ejecting spring 33, and the moving block abuts against the stop block. The locking block 32 partially enters the locking groove to lock the support frame 211. The above steps are repeated to stack the support frames 211 until the support frames 211 are stacked to the set height. Then, the first plate 221 and the second plate 222 are placed on the highest support frame 211. The fixing column 51 is inserted into the second plate 222. The fixing column 51 abuts against the traction column 54, causing the traction column 54 to move. The pressure spring 55 is compressed, and then the rotating block 52 rotates, causing the rotating cylinder 53 to rotate. The traction column 54 is restricted by the limiting block 56 and rotates with the rotating cylinder 53, so that the traction column 54 is threadedly engaged with the fixed column 51 and moves towards the fixed column 51 until the sealing block 542 abuts against the limiting block 56. The traction column 54 stops moving. The traction column 54 continues to rotate, and the fixed column 51 moves towards the traction column 54 until the fixed column 51 abuts against the fixed block. At this time, the first plate 221 is in contact with the second plate 221. The second plate 222 is used to securely install the support plate 22. Then, the load-bearing plate 61 is assembled using the aforementioned traction component 5 method. The positioning column 71 is then passed through the positioning cylinder 72, so that the load-bearing plate 61 abuts against the load-bearing end of the sand box 6. The pier column mold 11 is then passed through the load-bearing plate 61 and the support plate 22, and abuts against the pier platform 01. The limiting frame 62 abuts against the side wall of the crossbeam mold 12. The limiting plate 8 is then fixedly connected to the support plate 22 and the load-bearing plate 61 to limit the pier column mold 11, thus realizing the installation of the bracket 2.

[0053] Workers used the stacking of support frames 211 to complete the support of the height of support plate 22. The support frame 211 is an integrated frame with a solid structure. Workers only need to use locking components 3 to lock two adjacent support frames 211. Compared with the commonly used steel pipe erection, the construction is simpler and faster, reducing the labor intensity of workers, shortening the erection time of the support 2, and improving the construction efficiency of the cast-in-place cap beam.

[0054] A method for constructing a support system for a cast-in-place cap beam includes the following steps:

[0055] S1. Install the support frame 211: Connect the first support frame 211 to the bearing platform 01 with bolts. Use a crane to embed the positioning frame strip 212 on the second support frame 211 into the positioning groove. Then move the actuating rod 311 downward to drive the rotating column 31 to descend. Then rotate the actuating rod 311, the rotating column 31 rotates, and the locking block 32 moves under the force of the ejecting spring 33. The locking block 32 partially enters the locking groove. Stack the support frames 211 to the specified height according to the above locking method to complete the laying of the three sets of support frames 21.

[0056] The workers used locking blocks 32 to restrict the vertical freedom of the support frame 211, and together with the positioning frame strips 212, restricted the freedom of the support frame 211.

[0057] S2. Install support plate 22: Use a crane to place the first plate 221 and the second plate 222 on the highest support frame 211. Insert the fixing column 51 into the second plate 222. The fixing column 51 abuts against the traction column 54, causing the traction column 54 to move. The pressure spring 55 is compressed. Then rotate the rotating block 52, which drives the rotating cylinder 53 to rotate. The traction column 54 is restricted by the limiting block 56 and rotates with the rotating cylinder 53, so that the traction column 54 and the fixing column 51 are threaded together and move towards the fixing column 51 until the sealing block 542 abuts against the limiting block 56. The traction column 54 stops moving. Continue to rotate the traction column 54. The fixing column 51 moves towards the traction column 54 until the fixing column 51 abuts against the fixing block. At this time, the first plate 221 is attached to the second plate 222, and the positioning piece 4 abuts against the side wall of the highest support frame 211.

[0058] Workers used the restricted traction column 54 to pull the fixed column 51 to move, saving the step of manually pushing the first plate 221 and achieving the purpose of saving effort.

[0059] S3. Install the sand box 6: Install the sand box 6 on the first plate 221 and the second plate 222 with bolts. Then, use the installation method of the traction component 5 in step S2 to pre-assemble the load-bearing plate 61. Then insert the positioning column 71 into the positioning cylinder 72 so that the load-bearing plate 61 abuts against the load-bearing end of the sand box 6.

[0060] The staff used sand box 6 as a support to bear the weight of the beam after it solidified, which facilitated the subsequent dismantling of support 2.

[0061] S4. Install casting mold 1: Use a crane to pass the pier mold 11 through the load-bearing plate 61 and the support plate 22, and abut against the foundation 01, so that the beam mold 12 is restricted between several restraint frames 62. Then, a restraint plate 8 is fixedly connected to the support plate 22 and the load-bearing plate 61 to restrict the pier mold 11.

[0062] The workers used the combination of the limiting frame 62 and the limiting plate 8 to restrict the degree of freedom of the casting mold 1, thereby improving the stability of the casting mold 1.

[0063] S5. Disassembling bracket 2: After the cover beam cools down, discharge the load-bearing sand from the sand box 6, causing the load-bearing end of the sand box 6 to descend, which in turn causes the load-bearing plate 61 and the limiting frame 62 to descend and detach from the crossbeam mold 12. Then, rotate the rotating block 52 in the opposite direction to make the traction column 54 move in the opposite direction and detach from the fixed column 51. The load-bearing plate 61 can then be removed using a crane. Similarly, the support plate 22 can be removed. Then, rotate the lever 311 in the opposite direction and raise it. The locking block 32 enters the moving groove due to the influence of the transition fillet 321. The rotating column 31 disengages from the insertion hole. Remove each support frame 211 using the above method. Finally, remove the bolts on the first support frame 211.

[0064] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A support for cast-in-place cap beam, comprising a bearing platform (01) and a pouring mold (1), the pouring mold (1) comprising a pier mold (11) and a cross beam mold (12), the pier mold (11) being connected to the bearing platform (01), and the cross beam mold (12) being connected to the pier mold (11), characterized in that: The support frame (2) is arranged on the bearing platform (01), and comprises a support group frame (21) and a support plate (22). A plurality of support group frames (21) are arranged on the bearing platform (01), and the support group frame (21) is stacked by a plurality of support frames (211). A locking assembly (3) for locking adjacent support frames (211) is arranged on the support frame (211). The pier mold (11) is located on one side of the support group frame (21). The support plate (22) is arranged at the top of a plurality of support group frames (21). A positioning piece (4) for positioning the support plate (22) on the support group frame (21) is arranged on the support plate (22). A plurality of limiting frames (62) for supporting the beam mold (12) are arranged on the support plate (22), and the limiting frame (62) abuts against the beam mold (12). The locking assembly (3) comprises a rotating column (31), a locking block (32) and an ejection spring (33). The rotating column (31) is rotatably connected in the support frame (211). A push rod (311) is connected to the top end of the rotating column (31). A moving groove is opened at the bottom end of the rotating column (31). The locking block (32) is slidingly fitted in the moving groove. A transition fillet (321) is arranged on the locking block (32). The ejection spring (33) is arranged in the moving groove and located between the inner bottom wall of the moving groove and the locking block (32). A push groove is opened at the position corresponding to the push rod (311) of the support frame (211). The push rod (311) is located in the push groove. The top end of another support frame (211) is provided with an insertion hole. A locking groove is opened at the bottom end of the insertion hole. When the support frame (211) is locked, the rotating column (31) is inserted and fitted in the insertion hole, the locking block (32) is partially located in the locking groove, and the ejection spring (33) is compressed.

2. The cast-in-place capping beam support according to claim 1, characterized in that: The positioning piece (4) is a reinforcing rib plate. A plurality of positioning pieces (4) are connected to the bottom wall of the support plate (22). The positioning piece (4) abuts against the support frame (211).

3. The cast-in-place bent cap support of claim 1, wherein: The support plate (22) is assembled by a first plate (221) and a second plate (222), a traction assembly (5) is arranged between the first plate (221) and the second plate (222), the traction assembly (5) comprises a fixed column (51), a rotating block (52), a rotating cylinder (53), a traction column (54), a pressure spring (55) and a limiting block (56), the fixed column (51) is connected on the first plate (221), the fixed column (51) is inserted and matched on the second plate (222), the second plate (222) is connected with a fixed block, the rotating block (52) is rotatably connected on the fixed block, one end of the rotating cylinder (53) is connected on the rotating block (52) and located in the fixed block, the traction column (54) is inserted and matched in the rotating cylinder (53), the limiting block (56) is connected in the rotating cylinder (53), the traction column (54) is provided with a limiting groove (541) at the position corresponding to the limiting block (56), the limiting block (56) is slidingly matched in the limiting groove (541), one end of the limiting groove (541) is connected with a sealing block (542), the sealing block (542) abuts against the limiting block (56), the pressure spring (55) is arranged in the rotating cylinder (53) and located between the traction column (54) and the rotating block (52), the pressure spring (55) is in a compressed state, and the traction column (54) is threadedly matched with the fixed column (51).

4. The cast-in-place bent cap support of claim 1, wherein: The bottom wall of the support frame (211) is connected with a positioning frame strip (212), the cross section of the positioning frame strip (212) is arranged in an inverted trapezoidal shape, the top end of the support frame (211) is provided with a positioning groove matched with the shape of the positioning frame strip (212), when the support frame (211) is locked, the positioning frame strip (212) of one support frame (211) is embedded in the positioning groove of another support frame (211).

5. The cast-in-place bent cap support of claim 1, wherein: A plurality of sand boxes (6) are connected on the support plate (22), the sand boxes (6) are connected with bearing plates (61), limiting frames (62) are connected on the bearing plates (61), the assembly structure of the bearing plates (61) is consistent with that of the support plate (22), and a plurality of positioning assemblies (7) for positioning the positions of the bearing plates (61) are arranged on the support plate (22).

6. The cast-in-place capping beam support according to claim 5, characterized in that: The positioning assembly (7) comprises a positioning column (71) and a positioning cylinder (72), the positioning column (71) is vertically connected on the support plate (22), the positioning cylinder (72) is connected on the bearing plate (61) at a position corresponding to the positioning column (71), the positioning column (71) penetrates through the bearing plate (61) and the positioning cylinder (72) and is inserted and matched with the positioning cylinder (72).

7. The cast-in-place capping beam support according to claim 5, characterized in that: Limiting plates (8) are connected on the support plate (22) and the bearing plate (61) near the positions of the pier column molds (11), arc grooves matched with the shapes of the pier column molds (11) are formed in the limiting plates (8), and the arc grooves are attached to the surfaces of the pier column molds (11).

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