A combined connecting type concrete T-beam construction device
By designing an automated, modular concrete T-beam construction device, which utilizes a motor-driven hammering rod and support wheel system, the automated removal of the comb formwork is achieved, solving the problem of difficult formwork removal, improving demolding efficiency, and protecting concrete quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- QINHUANGDAO ROAD&BRIDGE CONSTRUCT DEV CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-07-10
AI Technical Summary
In the existing technology, when constructing combined T-beams, the comb formwork is difficult to remove, resulting in a large amount of labor, low dismantling efficiency, and easy damage to the concrete edges.
A combined connection type concrete T-beam construction device was designed. It uses a motor-driven hammer rod and support wheel system to automatically dismantle the comb formwork. The main body of the device is fixed by the support plate and support wheel. The motor drives the cam and spring to achieve the separation of the comb formwork from the T-beam main body.
It improved demolding efficiency, reduced the workload of workers, avoided concrete damage caused by the difficulty in controlling the force during manual demolding, and ensured the quality of the finished T-beams.
Smart Images

Figure CN120396115B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of bridge beam structure prefabrication technology, specifically a composite connection type concrete T-beam construction device. Background Technology
[0002] With the rapid development of my country's economy, the construction volume and capacity of large-scale building and transportation projects are also gradually increasing. In the construction of large bridges, prestressed concrete continuous T-beams are often used for construction, which have a faster construction speed and higher safety performance.
[0003] When casting composite T-beams, comb-shaped formwork is used to tightly fit the flange reinforcement skeleton, sealing the flow channels of concrete during casting, reducing the risk of grout leakage at the flange edges, and avoiding defects such as honeycomb and pitting caused by grout loss. When disassembling the comb-shaped formwork, due to the solidification of concrete, the formwork will stick to both sides of the T and be difficult to remove. When disassembling the formwork, workers usually use hammers to tap the comb-shaped formwork to loosen the stuck parts, or use pry bars to insert from the formwork joints for disassembly. This is labor-intensive and inefficient, and it is difficult for workers to control the force when manually disassembling the formwork. It is easy to damage the edges of the concrete during disassembly, affecting the finished quality of the concrete T-beam. Summary of the Invention
[0004] The purpose of this invention is to provide a combined connected concrete T-beam construction device to solve the problem of the difficulty in removing the flange comb formwork on both sides during T-beam construction in the prior art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a combined connection type concrete T-beam construction device, comprising a T-beam body and multiple comb templates adhered to the outside of the T-beam body after the T-beam body is poured. Multiple distribution bars are formed on both sides of the T-beam body. The device body is provided on one side of one of the comb templates. Two pipe plates are fixedly connected to the top of the device body. A first limiting plate is fixedly connected between the rear ends of the two pipe plates. A striking rod is provided at the bottom of the first limiting plate. A support plate is provided on the rear side of the device body. Two support wheels are provided on the front side of the device body.
[0006] Preferably, both ends of the top of the striking rod are fixedly connected to a first sliding rod, the top ends of the two first sliding rods pass through the first limiting plate and are slidably connected to the first limiting plate, and the outer sides of the two first sliding rods are fitted with a first spring, the two ends of the two first springs respectively abutting the striking rod and the first limiting plate.
[0007] Preferably, a second sliding rod is fixedly connected to the top of the striking rod, the top of the second sliding rod passes through the first limiting plate and is slidably connected to the first limiting plate, and a second limiting plate is fixedly connected to the top of the second sliding rod. A first motor is fixedly connected to the top of the main body of the device, and a cam is fixedly connected to the output end of the first motor. When the cam rotates, it works with the first spring to drive the striking rod to move up and down to continuously strike the comb template, thereby separating the comb template from the concrete of the T-beam body. This eliminates the need for manual demolition and reduces the labor burden on workers.
[0008] Preferably, a fixing rod is provided inside the main body of the device, and a sliding groove adapted to the fixing rod is opened on the rear side of the main body of the device. The fixing rod is slidably connected inside the sliding groove. The rear side of the fixing rod is fixedly connected to the support plate. A second spring is fixedly connected to the upper and lower ends of the front end of the fixing rod. The ends of the two second springs away from the fixing rod are respectively fixedly connected to the upper and lower inner walls of the main body of the device.
[0009] Preferably, a moving plate is slidably connected inside the main body of the device. A positioning groove is provided inside the moving plate. Two moving blocks are slidably connected inside the positioning groove. A connecting plate is fixedly connected to the rear side of each of the two moving blocks. One side of each of the two connecting plates is fixedly connected to two support wheels. A third spring is fixedly installed between the tops of the two moving blocks. A limiting groove adapted to the two moving blocks is provided on the bottom wall inside the main body of the device. When the two moving blocks leave the main body of the device from inside the limiting groove, the two moving blocks move away from each other under the action of the third spring. At this time, the positions of the two moving blocks correspond to the positions of the inner sides of the distribution ribs.
[0010] Preferably, a transmission plate is fixedly connected to one side of the top of the moving plate, and a threaded rod is rotatably installed inside the main body of the device. The threaded rod passes through the transmission plate and is threadedly connected to the threaded rod. A second motor is fixedly connected to one side of the main body of the device, and the output end of the second motor is fixedly connected to the threaded rod. During operation, the second motor drives the moving block to move outward from inside the main body of the device. After the support wheel contacts the distribution rib, it pushes the main body of the device to move backward, thereby making the support plate contact the comb template. At this time, the support wheel and the support plate fix the main body of the device between the comb template and the distribution rib.
[0011] Preferably, guide plates are fixedly connected to both sides of the main body of the device, and two rotating wheels are rotatably installed between the two guide plates and the main body of the device. A handle is fixedly connected to the top of the T-beam main body.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. In this application, the second motor drives the threaded rod to rotate, causing the threaded rod to move the support wheel forward and fit into the distribution rib. Subsequently, it pushes the main body of the device to move so that the support plate on the rear side of the main body of the device is in close contact with the comb template. The support plate and support wheel make it easy for workers to fix the main body of the device to one side of the comb template. At this time, the striking rod is located directly above the comb template. The first motor drives the striking rod to strike the comb template, thereby separating the comb template from the T-beam main body, reducing the labor burden of workers and improving the demolding efficiency of the T-beam main body.
[0014] 2. In this application, during operation, the first motor drives the striking rod to strike the comb template, thereby quickly separating the comb template from the T-beam body. This prevents excessive striking force from manual demolding, which could damage the concrete edges of the T-beam body. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the T-beam structure of the present invention;
[0016] Figure 2 This is a schematic diagram of the main structure of the device of the present invention;
[0017] Figure 3 This is a schematic diagram of the internal structure of the main body of the device of the present invention;
[0018] Figure 4 This is a schematic diagram of the moving block structure of the present invention.
[0019] The following are the labeling elements in the diagram: 1. T-beam main body; 2. Comb template; 3. Distribution reinforcement; 4. Main body of the device; 5. Pipe plate; 6. First limiting plate; 7. Striking rod; 8. First sliding rod; 9. First spring; 10. Second sliding rod; 11. Second limiting plate; 12. Cam; 13. Fixed rod; 14. Support plate; 15. Second spring; 16. Guide plate; 17. Rotating wheel; 18. Moving plate; 19. Transmission plate; 20. Threaded rod; 21. Positioning groove; 22. Moving block; 23. Third spring; 24. Connecting plate; 25. Support wheel; 26. Limiting groove; 27. Handle. Detailed Implementation
[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only one part of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] Example: Figure 1 - Figure 4As shown, the present invention provides a technical solution for a combined connection type concrete T-beam construction device, including a T-beam body 1 and multiple comb templates 2 that are adhered to the outside of the T-beam body 1 after the T-beam body 1 is poured. Multiple distribution bars 3 are formed on both sides of the T-beam body 1. A device body 4 is provided on one side of one of the comb templates 2. Two pipe plates 5 are fixedly connected to the top of the device body 4. A first limiting plate 6 is fixedly connected between the rear ends of the two pipe plates 5. A striking rod 7 is provided at the bottom of the first limiting plate 6. A support plate 14 is provided on the rear side of the device body 4. Two support wheels 25 are provided on the front side of the device body 4.
[0022] Both ends of the top of the striking rod 7 are fixedly connected to the first sliding rod 8. The top ends of the two first sliding rods 8 pass through the first limiting plate 6 and are slidably connected to the first limiting plate 6. The outer sides of the two first sliding rods 8 are fitted with first springs 9, and the two ends of the two first springs 9 are respectively attached to the striking rod 7 and the first limiting plate 6.
[0023] A second sliding rod 10 is fixedly connected to the top of the striking rod 7. The top of the second sliding rod 10 passes through the first limiting plate 6 and is slidably connected to the first limiting plate 6. A second limiting plate 11 is fixedly connected to the top of the second sliding rod 10. A first motor is fixedly connected to the top of the main body 4 of the device. A cam 12 is fixedly connected to the output end of the first motor. When the cam 12 rotates, it works with the first spring 9 to drive the striking rod 7 to move up and down to continuously strike the comb template 2, thereby separating the comb template 2 from the concrete of the T-beam main body 1. This eliminates the need for manual demolition by striking, reducing the labor burden on workers.
[0024] The device body 4 has a fixed rod 13 inside. The device body 4 has a sliding groove on the rear side that is adapted to the fixed rod 13. The fixed rod 13 is slidably connected inside the sliding groove. The rear side of the fixed rod 13 is fixedly connected to the support plate 14. The front end of the fixed rod 13 is fixedly connected to the upper and lower ends of the fixed rod 13. The ends of the two second springs 15 away from the fixed rod 13 are fixedly connected to the upper and lower inner walls of the device body 4, respectively.
[0025] A moving plate 18 is slidably connected inside the main body 4 of the device. A positioning groove 21 is provided inside the moving plate 18. Two moving blocks 22 are slidably connected inside the positioning groove 21. A connecting plate 24 is fixedly connected to the rear side of each of the two moving blocks 22. One side of each of the two connecting plates 24 is fixedly connected to two support wheels. A third spring 23 is fixedly installed between the tops of the two moving blocks 22. A limiting groove 26 adapted to the two moving blocks 22 is provided on the bottom wall inside the main body 4. When the two moving blocks 22 leave the main body 4 from inside the limiting groove 26, the two moving blocks 22 move away from each other under the action of the third spring 23. At this time, the position of the two moving blocks 22 corresponds to the position of the inner side of the distribution rib 3.
[0026] A transmission plate 19 is fixedly connected to one side of the top of the motion plate 18. A threaded rod 20 is rotatably installed inside the main body 4 of the device. The threaded rod 20 passes through the transmission plate 19 and is threadedly connected to the threaded rod 20. A second motor is fixedly connected to one side of the main body 4 of the device. The output end of the second motor is fixedly connected to the threaded rod 20. During operation, the second motor drives the motion block 22 to move outward from inside the main body 4 of the device. After the support wheel 25 contacts the distribution rib 3, it pushes the main body 4 of the device to move backward, so that the support plate 14 contacts the comb template 2. At this time, the support wheel 25 and the support plate 14 fix the main body 4 of the device between the comb template 2 and the distribution rib 3.
[0027] Guide plates 16 are fixedly connected to both sides of the main body 4 of the device. Two rotating wheels 17 are rotatably installed between the two guide plates 16 and the main body 4 of the device. A handle 27 is fixedly connected to the top of the T-beam main body 1.
[0028] It should be noted that this invention is a combined connection type concrete T-beam construction device. During use, the worker places the striking rod 7 on top of the comb template 2 using the handle 27. At this time, the main body 4 of the device is located between two distribution reinforcement bars 3. The rotating wheels 17 on both sides of the main body 4 are placed above the two distribution reinforcement bars 3 to support the main body 4. Subsequently, the second motor drives the threaded rod 20 to rotate. The threaded rod 20 drives the moving plate 18 forward through the transmission plate 19. Under the elastic force of the third spring 23, the two moving blocks 22 are always in contact with both sides of the limiting groove 26. At this time, the two moving blocks 22 move away from each other along the limiting groove 26. When the two moving blocks... After 22 leaves the limiting groove 26, the two moving blocks 22 drive the two support wheels 25 into the inner side of the distribution ribs 3 on both sides of the main body 4 of the device. The threaded rod 20 continues to drive the moving plate 18 to move so that the moving blocks 22 are in contact with the distribution ribs 3. When the support wheels 25 are in contact with the inner side of the distribution ribs 3, the moving plate 18 cannot move. The threaded rod 20 continues to rotate, thereby pushing the main body 4 of the device towards the comb template 2. When the support plate 14 on the rear side of the main body 4 is in close contact with the comb template 2, the second motor stops working. At this time, the main body 4 of the device is fixed to one side of the comb template 2 by the support wheels 25 and the support plate 14, and at the same time, the striking rod 7 is located directly above the comb template 2.
[0029] Subsequently, the first motor starts working, driving the cam 12 to rotate. When the main body 4 of the fixing device is in contact with the top of the comb template 2, the striking rod 7 compresses the first spring 9. The second limiting plate 11 is fixed to the top of the striking rod 7 via the second sliding rod 10. At this time, there is a distance between the top of the second limiting plate 11 and the cam 12. When the cam 12 rotates, the protrusion of the cam 12 contacts the second limiting plate 11. At this time, the cam 12 drives the second limiting plate 11 to move upward, thereby causing the striking rod 7 to move upward and compress the first spring 9. The cam 12 continues to rotate. When the protrusion of the cam 12 no longer contacts the second limiting plate 11... When the positioning plate 11 contacts, the striking rod 7 is bounced towards the comb template 2 under the elastic force of the first spring 9. The cam 12 drives the striking rod 7 to continuously strike the comb template 2, thereby loosening the concrete adhesion between the comb template 2 and the T-beam body 1. At this time, the comb template 2 separates from the T-beam body 1, and the support plate 14 is slidably connected to the rear side of the device body 4. The front end of the support plate 14 is fixedly connected to the upper and lower walls of the device body 4 with a second spring 15, so that when the striking rod 7 strikes the comb template 2, the support plate 14 can vibrate with the comb template 2 without affecting the demolding work of the comb template 2.
[0030] After the comb template 2 separates from the T-beam body 1, the first motor drives the two moving blocks 22 to re-enter the limiting slide 26, thereby releasing the limiting effect of the support plate 14 and support wheel 25 on the device. At this time, the worker can remove the next comb template 2. When the support plate 14 is not in contact with the comb template 2, the comb template 2 falls from one side of the T-beam body 1 under the action of gravity. At this time, the worker can collect the separated comb template 2.
[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A combined connection type concrete T-beam construction device, comprising a T-beam body (1) and multiple comb templates (2) bonded to the outside of the T-beam body (1) after the T-beam body (1) is poured, wherein multiple distribution bars (3) are formed on both sides of the T-beam body (1), characterized in that: One of the comb templates (2) is provided with a device body (4) on one side. Two pipe plates (5) are fixedly connected to the top of the device body (4). A first limiting plate (6) is fixedly connected between the rear ends of the two pipe plates (5). A striking rod (7) is provided at the bottom of the first limiting plate (6). A support plate (14) is provided on the rear side of the device body (4). Two support wheels (25) are provided on the front side of the device body (4). The top two ends of the striking rod (7) are fixedly connected to the first sliding rod (8). The top ends of the two first sliding rods (8) pass through the first limiting plate (6) and are slidably connected to the first limiting plate (6). The outer sides of the two first sliding rods (8) are fitted with first springs (9). The two ends of the two first springs (9) are respectively attached to the striking rod (7) and the first limiting plate (6). The top of the striking rod (7) is fixedly connected to a second sliding rod (10), the top of the second sliding rod (10) passes through the first limiting plate (6) and is slidably connected to the first limiting plate (6), the top of the second sliding rod (10) is fixedly connected to a second limiting plate (11), the top of the main body (4) of the device is fixedly connected to a first motor, and the output end of the first motor is fixedly connected to a cam (12). The device body (4) is provided with a fixing rod (13) inside. The device body (4) has a sliding groove adapted to the fixing rod (13) on the rear side. The fixing rod (13) is slidably connected inside the sliding groove. The rear end of the fixing rod (13) is fixedly connected to the support plate (14). The front end of the fixing rod (13) is fixedly connected to the upper and lower ends of the fixing rod (13). The ends of the two second springs (15) away from the fixing rod (13) are fixedly connected to the upper and lower inner walls of the device body (4) respectively. The main body (4) of the device has a sliding connection to a moving plate (18). The moving plate (18) has a positioning groove (21) inside. The positioning groove (21) has two moving blocks (22) slidingly connected inside. The rear side of each of the two moving blocks (22) is fixedly connected to a connecting plate (24). One side of each of the two connecting plates (24) is fixedly connected to two support wheels. A third spring (23) is fixedly installed between the tops of the two moving blocks (22). The bottom wall of the main body (4) of the device has a limiting groove (26) that matches the two moving blocks (22).
2. The combined connection type concrete T-beam construction device according to claim 1, characterized in that: A transmission plate (19) is fixedly connected to one side of the top of the motion plate (18). A threaded rod (20) is rotatably installed inside the main body (4) of the device. The threaded rod (20) passes through the transmission plate (19) and is threadedly connected to the threaded rod (20). A second motor is fixedly connected to one side of the main body (4) of the device. The output end of the second motor is fixedly connected to the threaded rod (20).
3. The combined connection type concrete T-beam construction device according to claim 1, characterized in that: Guide plates (16) are fixedly connected to both sides of the main body (4) of the device. Two rotating wheels (17) are rotatably installed between the two guide plates (16) and the main body (4). A handle (27) is fixedly connected to the top of the T-beam main body (1).