Novel bridge construction formwork support device
By designing an adjustable support angle formwork support device for road and bridge construction, the problem of unsatisfactory adaptability of existing devices has been solved, achieving high adaptability and low cost construction results, and improving construction efficiency and quality.
Patent Information
- Application Number
- CN202522149405.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-10-11
AI Technical Summary
Existing formwork support devices for road and bridge construction cannot adjust the support angle, resulting in poor adaptability, high construction costs, and difficulty in ensuring quality.
A novel formwork support device for road and bridge construction was designed, comprising a template, support rod, sliding rod, locking sleeve, and movable seat. The support angle can be flexibly adjusted through the connection of the shaft rod and the guiding sliding of the movable seat, and mechanical locking is achieved by the locking sleeve and sliding rod engaging and the pretension of the spring.
It achieves high adaptability and reusability of the support device, reduces construction costs, and can be quickly locked after adjustment, thus improving construction efficiency and quality.
Smart Images

Figure CN224678546U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of road and bridge construction, and in particular to a novel formwork support device for road and bridge construction. Background Technology
[0002] An existing patent (publication number: CN208039059U) discloses a formwork support device for road and bridge construction, including a formwork, a fixing plate, a support rod, and an mounting plate. The fixing plate is connected to the formwork on both sides by fixing nails. The fixing plate has a positioning groove inside. The support rod has a positioning plate on its upper part, which is adapted to the positioning groove. The positioning plate is connected to the positioning groove by positioning nails. The positioning groove has a positioning protrusion on its upper part, and the positioning plate has a positioning protrusion groove on its upper part. The positioning protrusion groove is adapted to the positioning protrusion, and the positioning protrusion connects to the positioning protrusion groove. The formwork has a reinforcing rod at its lower part, which is adapted to the mounting plate. The mounting plate has a reinforcing rod connected to its left side. The reinforcing rod is sequentially connected to the mounting plate and a reinforcing nut, with the reinforcing nut meshing with the reinforcing rod. However, in this device, the "support rod" structure is fixed, making it impossible to adjust the support angle according to the inclination angle of the road and bridge construction formwork. Its adaptability is not ideal, and it has drawbacks. Summary of the Invention
[0003] This utility model addresses the aforementioned shortcomings of the existing technology by providing a novel bridge and road construction formwork support device that ensures the concrete pouring and forming effect and the quality of bridge and road construction, while also allowing for corresponding adjustment of the support angle according to the inclination angle of the bridge and road construction formwork. This device meets the construction needs of various bridge and road components, improves the adaptability and reusability of the device, reduces construction costs, and provides convenient operation for adjusting and locking the support angle.
[0004] The objective of this utility model is achieved through the following technical solution: A novel formwork support device for bridge and road construction includes a formwork, a first support rod, a second support rod, a third support rod, a sliding rod, a locking sleeve, and a movable seat. The formwork has strips on both sides, and the first support rod has mounting plates on both sides. The mounting plates are connected to the strips by screws. The screws pass through the mounting plates and strips in sequence, and nuts are threaded to both ends of the screws. The lower end of the first support rod is connected to the third support rod via a lower shaft. The lower shaft connects the third support rod and the first support rod in sequence. The third support rod has a fixing plate on its exterior, which is connected to the ground via a fixing cone. The third support rod has a sliding groove inside, which is adapted to the movable seat. The movable seat connects to the sliding groove and slides within the groove. The upper part of the movable seat has a connecting block, which is connected to the lower end of the second support rod via a central shaft. The central shaft connects the second support rod and the connecting block in sequence. The upper end of the second support rod is connected to the first support rod via an upper shaft. The upper shaft connects the first support rod and the upper shaft in sequence.
[0005] The movable seat of this utility model has a limiting support sleeve on the outside and a slide rail inside. The slide rail is adapted to the locking sleeve and the locking sleeve is connected to the slide rail. The locking sleeve slides in the slide rail. The lower end of the locking sleeve is connected to a spring, and the spring is connected to the movable seat. The upper end of the locking sleeve has a pressure plate. The locking sleeve fits against the inner side of the limiting support sleeve, and the outer side of the limiting support sleeve fits against the lever plate. Beneficial effects
[0006] In this invention, the support rods are connected by shafts, and the guide sliding of the movable seat enables flexible adjustment of their support angle. This meets the template tilting requirements of complex structures such as curved beams and skew bridges, improves the adaptability and reusability of the device, and reduces the construction cost of roads and bridges.
[0007] This utility model combines the locking and positioning between the locking sleeve and the sliding rod with the pre-tension of the spring, which can achieve mechanical locking after the angle is adjusted to the correct position. This prevents the support angle from shifting under construction loads, ensuring the stability of the support structure. At the same time, it can be quickly unlocked by pressing the pressure plate, and automatically resets and brakes after being released. The operation is convenient and improves the efficiency of formwork support work in road and bridge construction.
[0008] This utility model provides stable support, ensuring the concrete pouring and forming effect and the construction quality of roads and bridges. At the same time, it can adjust the support angle according to the inclination angle of the road and bridge construction formwork to meet the construction needs of various road and bridge components, improve the adaptability and reusability of the device, reduce construction costs, and make the adjustment and locking of the support angle of the device convenient. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of the novel road and bridge construction formwork support device described in this utility model.
[0010] Figure 2 This is a schematic diagram of the support rod connection structure described in this utility model.
[0011] Figure 3 This is a cross-sectional view of the novel road and bridge construction formwork support device described in this utility model.
[0012] Figure 4 This is a cross-sectional view of the connection structure between the No. 3 support rod and the movable seat described in this utility model.
[0013] Figure 5 This is a schematic diagram of the movable seat structure described in this utility model.
[0014] Figure 6 The present utility model Figure 3 Enlarged view of a local structure. Detailed Implementation
[0015] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments: Example 1: A novel formwork support device for road and bridge construction includes a formwork 01, a first support rod 09, a second support rod 10, a third support rod 11, a sliding rod 15, a locking sleeve 16, and a movable seat 27. The formwork 01 has strips 02 on both sides, and the first support rod 09 has mounting plates 05 on both sides. The mounting plates 05 are connected to the strips 02 by screws 03. The screws 03 pass through the mounting plates 05 and the strips 02 in sequence, and the two ends of the screws 03 are connected to nuts 04 by threads. The lower end of the first support rod 09 is connected to the third support rod 11 by a lower shaft 08. The lower shaft 08 connects the third support rod 11 and the first support rod 09 in sequence. The third support rod 11 has a fixing plate 12 on its exterior, which is connected to the ground by a fixing cone rod 13. The interior of the third support rod 11... The device has a sliding groove 14 that is adapted to a movable seat 27. The movable seat 27 is connected to the sliding groove 14 and slides within the sliding groove 14. The upper part of the movable seat 27 has a connecting block 26. The connecting block 26 is connected to the lower end of the second support rod 10 via a central shaft 07. The central shaft 07 is connected to the second support rod 10 and the connecting block 26 in sequence. The upper end of the second support rod 10 is connected to the first support rod 09 via an upper shaft 06. The upper shaft 06 is connected to the first support rod 09 and the upper shaft 06 in sequence. In this device, the support rods are connected by shafts, and the movable seat 27 is used to guide the sliding, so that the support angle can be flexibly adjusted. This meets the tilting requirements of the template 01 in complex structures such as curved beams and skew bridges, improves the adaptability and reusability of the device, and reduces the construction cost of roads and bridges.
[0016] Example 2: The movable seat 27 of this utility model has a limiting sleeve 28 on the outside and a slide 20 inside. The slide 20 is adapted to the locking sleeve 16, and the locking sleeve 16 is connected to the slide 20. The locking sleeve 16 slides in the slide 20. The lower end of the locking sleeve 16 is connected to a spring 19, and the spring 19 is connected to the movable seat 27. The upper end of the locking sleeve 16 has a pressure plate 21. The locking sleeve 16 fits against the inner side of the limiting sleeve 28, and the outer side of the limiting sleeve 28 fits against the lever 25. The locking and positioning between the locking sleeve 16 and the slide rod 15 cooperates with the pretension of the spring 19 to achieve mechanical locking after the angle is adjusted to the correct position. This prevents the support angle from shifting under construction load, ensuring the stability of the support structure. At the same time, it can be quickly unlocked by pressing the pressure plate 21, and automatically resets and brakes after being released. The operation is convenient and improves the efficiency of formwork support operation in road and bridge construction.
[0017] Example 3: The present invention has levers 22 on both sides of the lever plate 25, sliding holes 24 on both sides of the limiting sleeve 28, and lever holes 23 on both sides of the locking sleeve 16. The lever holes 23 and sliding holes 24 are adapted to the levers 22, and the levers 22 pass through the sliding holes 24 and lever holes 23 in sequence.
[0018] Example 4: The sliding rod 15 of this utility model passes sequentially through the third support rod 11, the movable seat 27, and the locking sleeve 16. The two ends of the sliding rod 15 are connected to the third support rod 11. The sliding rod 15 has multiple locking grooves 18, and the locking sleeve 16 has locking blocks 17. The locking blocks 17 are adapted to the locking sleeve 16 and are connected to the locking sleeve 16. This device provides stable support, ensuring the concrete pouring and forming effect and the construction quality of the road and bridge. At the same time, it can adjust the support angle according to the inclination angle of the road and bridge construction template, meet the construction needs of various road and bridge components, improve the adaptability and reusability of the device, reduce construction costs, and the device's support angle adjustment and locking operation are convenient.
[0019] Example 5: Installation steps: First, assemble the movable seat 27 structure. Place the spring 19 and locking sleeve 16 sequentially into the slide rail 20, pressing the locking sleeve 16 against the upper end of the spring 19 and the lower end of the spring 19 against the movable seat 27. Align the lever hole 23 with the sliding hole 24. Then, pass the lever 22 sequentially through the sliding hole 24 and lever hole 23, and fix it to the locking sleeve 16. Ensure the inner surface of the lever plate 25 is flush with the outer surface of the limiting support sleeve 28. Next, place the movable seat 27 into the slide groove 14. Finally, pass the slide rod 15 sequentially through the third support rod 11, the movable seat 27, and the locking sleeve 16, with the locking block 17 embedded in the locking groove 18. The two ends of the slide rod 15 are connected to the third support rod. After the fixed connection between rods 11 and the assembly of the movable seat 27 structure are completed, the third support rod 11 is connected to the lower end of the first support rod 09 through the lower shaft rod 08. The upper end of the first support rod 09 is connected to the upper end of the second support rod 10 through the upper shaft rod 06. The lower end of the second support rod 10 is connected to the connecting block 26 through the middle shaft rod 07. Then, the first support rod 09 is placed outside the template 01 and adjusted to a support angle parallel to it. The fixing plate 12 is fixedly connected to the ground through the fixing cone rod 13. The inner surface of the mounting plate 05 is attached to the outer surface of the strip plate 02. Finally, the mounting plate 05 and the strip plate 02 are fixedly connected through the screw rod 03 and the nut 04 to complete the installation.
[0020] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A novel formwork support device for road and bridge construction, characterized in that: The system includes a template (01), a first support rod (09), a second support rod (10), a third support rod (11), a sliding rod (15), a locking sleeve (16), and a movable seat (27). The template (01) has strips (02) on both sides, and the first support rod (09) has mounting plates (05) on both sides. The mounting plates (05) are connected to the strips (02) by screws (03). The screws (03) pass through the mounting plates (05) and the strips (02) in sequence. The two ends of the screws (03) are connected to nuts (04) by threads. The lower end of the first support rod (09) is connected to the third support rod (11) by a lower shaft (08). The lower shaft (08) is connected to the third support rod (11) and the first support rod (09) in sequence. The third support rod (11) The exterior has a fixed plate (12), which is connected to the ground via a fixed cone rod (13). The interior of the third support rod (11) has a sliding groove (14), which is adapted to the movable seat (27). The movable seat (27) is connected to the sliding groove (14), and the movable seat (27) slides within the sliding groove (14). The upper part of the movable seat (27) has a connecting block (26), which is connected to the lower end of the second support rod (10) via a central shaft rod (07). The central shaft rod (07) is connected to the second support rod (10) and the connecting block (26) in sequence. The upper end of the second support rod (10) is connected to the first support rod (09) via an upper shaft rod (06). The upper shaft rod (06) is connected to the first support rod (09) and the upper shaft rod (06) in sequence.
2. The novel bridge and road construction formwork support device according to claim 1, characterized in that: The movable seat (27) has a limiting sleeve (28) on the outside and a slide (20) inside. The slide (20) is adapted to the locking sleeve (16). The locking sleeve (16) is connected to the slide (20) and slides in the slide (20). The lower end of the locking sleeve (16) is connected to a spring (19). The spring (19) is connected to the movable seat (27). The upper end of the locking sleeve (16) has a pressure plate (21). The locking sleeve (16) fits against the inner side of the limiting sleeve (28), and the outer side of the limiting sleeve (28) fits against the lever plate (25).
3. The novel bridge and road construction formwork support device according to claim 2, characterized in that: The lever plate (25) has levers (22) on both sides, the limiting sleeve (28) has sliding holes (24) on both sides, and the locking sleeve (16) has lever holes (23) on both sides. The lever holes (23) and sliding holes (24) are adapted to the levers (22), and the levers (22) pass through the sliding holes (24) and lever holes (23) in sequence.
4. The novel bridge and road construction formwork support device according to claim 1, characterized in that: The slide rod (15) passes through the third support rod (11), the movable seat (27), and the lock sleeve (16) in sequence. The two ends of the slide rod (15) are connected to the third support rod (11). The slide rod (15) has multiple locking grooves (18). The lock sleeve (16) has a locking block (17). The locking block (17) is adapted to the lock sleeve (16) and is connected to the lock sleeve (16).
Citation Information
Patent Citations
Road bridge construction formwork strutting arrangement
CN208039059U