Supporting and reinforcing device for bridge anti-collision guardrail pouring formwork
The formwork support device, consisting of support rods and fixing frames, utilizes plain round steel bars welded to the steel formwork and fixing rings snapped into the pre-embedded steel bars of the beams and slabs. This solves the problem of traditional formwork support damaging beams and slabs, and achieves safe and stable support and convenient formwork turnover.
Patent Information
- Application Number
- CN202423317585.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the construction of existing bridge crash barriers, traditional formwork support reinforcement methods damage the beam and slab structure, increase labor costs and delay the construction period, and the steel formwork is prone to deformation and is not easy to reuse.
The formwork support device consists of a support rod, an upper fixing frame, and a lower fixing frame. Plain round steel bars are welded to the steel formwork, and the fixing rings are snapped to the pre-embedded steel bars in the beams and slabs. The support rods can be rotated and adjusted to avoid damage to the beams and slabs when installing steel bars.
It achieves the safety and stability of the formwork support, avoids damage to the beam and slab structure, reduces labor costs and construction period, facilitates formwork turnover, and reduces costs.
Smart Images
Figure CN223880201U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge engineering in crash barrier concrete pouring construction technical field, more specifically, relate to a kind of for bridge crash barrier pouring formwork support reinforcing device. BACKGROUND
[0002] In bridge engineering construction in our country, crash barrier is the important component of bridge accessory, because its surface is exposed for a long time, so its concrete surface quality requirement is very high. At present, the main forming mode of domestic crash barrier is on-site binding reinforcement, installing shaped steel formwork, then pouring concrete. When using the above cast-in-place crash barrier, the traditional formwork support reinforcing mode is: using threaded steel bar one end and steel formwork welding fixed, one end and the steel bar embedded in beam plate welding fixed, but the formwork support reinforcing mode is damaged to existing beam plate structure on the one hand, and increases the artificial cost of embedded steel bar and delays construction period, on the other hand, the steel formwork is damaged when removing support each time, so that steel formwork is easily deformed, which is not conducive to the turnover and repeated use of steel formwork.
[0003] Therefore, how to solve the above technical problems has become the subject faced by the utility model. CONTENT OF UTILITY MODEL
[0004] In view of the deficiencies in the prior art, the purpose of the present application is to provide a support device which can ensure the safety and stability of formwork support and reinforcement, without damaging the formwork and the beam plate structure, is convenient to install and remove, can be reused, and has low cost.
[0005] The utility model solves technical problems by adopting the technical scheme of providing a kind of for bridge crash barrier pouring formwork support reinforcing device, including support pole, the upper and lower ends of support pole are respectively fixedly connected with upper fixed frame and lower fixed frame, the center of the side of upper fixed frame away from support pole is fixedly connected with upper connecting sleeve, the center of the side of lower fixed frame away from support pole is not fixedly connected with lower connecting sleeve;
[0006] The upper connecting sleeve is screw-connected with the upper threaded rod of L shape, the upper threaded rod is screw-connected with two fastening nuts on the side away from the upper connecting sleeve, and the light round steel is arranged between the two fastening nuts, and the side wall of the light round steel is welded with the steel formwork;
[0007] The lower connecting sleeve is screw-connected with the lower threaded rod of column shape, the lower threaded rod is fixedly connected with fixed rod on the side away from the lower connecting sleeve, and the fixed rod is fixedly connected with the fixed ring with one side opening on the end away from the lower connecting sleeve, and the fixed ring is connected with the embedded steel bar of beam plate.
[0008] The support pole is steel pipe of A43*3mm specification, and the length is 2.5m.
[0009] The upper fixing frame and the lower fixing frame are U-shaped steel members, and the inner walls of the two sides of the upper fixing frame and the lower fixing frame are welded with the outer walls of the two sides of the support rod, and the welding length is not less than 100 mm;
[0010] The spacing between the inner walls of the two sides of the upper fixing frame and the lower fixing frame is the same as the outer diameter of the support rod.
[0011] The lower threaded rod is made of Q235 steel material, and the fixing ring is made of steel material and has an opening direction away from the side of the lower threaded rod;
[0012] The arc of the fixing ring is 270°, and the inner diameter of the fixing ring is greater than the diameter of the embedded steel bar of the beam plate by 3-5 mm.
[0013] The upper threaded rod is made of Q235 steel material, and the smooth round steel bar is made of HPB300 steel material;
[0014] The lengths of the two straight line segments of the two sides of the smooth round steel bar are both 10 cm, and the inner diameter of the arc segment of the smooth round steel bar is greater than the diameter of the upper threaded rod.
[0015] In actual use, the horizontal part of the upper threaded rod at the top is inserted through the curved part of the smooth round steel bar welded with the steel formwork, and then the smooth round steel bar is clamped from the two sides by the fastening nuts on the two sides to fix the connection state of the top of the device, the bottom is fixed by clamping the fixing ring on the outside of the embedded steel bar of the beam plate, the support rod can be rotated, the support distance can be adjusted within a certain range, and the support angle of the steel formwork can be adjusted while the support is stable.
[0016] The utility model discloses the beneficial effect is: simple structure, take the material conveniently, and the installation and removal are quick, and can turn over and repeatedly use, and the cost is low, and the safety and stability problem of steel formwork during the cast-in-place construction of the crash barrier is solved, and the embedded steel bar on the top surface of the beam plate in the design drawing is used as a support point, the beam plate structure is damaged in the previous steel formwork support and reinforcement process, the artificial fee and the construction period of embedded steel bar consumption are reduced, and meanwhile, the problems, such as damaging the formwork during the removal of the formwork support and reinforcement, are avoided.In addition, the rotation of the support rod can be carried out by inserting tools into the inner side of the upper and lower fixing frames, and the rotation adjustment is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;
[0018] Fig. 2 It is the lower side partial structure schematic diagram of the utility model;
[0019] Fig. 3 It is the upper side partial structure schematic diagram of the utility model;
[0020] Fig. 4 It is the use state structure schematic view of the utility model.
[0021] Among them, 1, support rod, 2, upper fixed frame, 3, lower fixed frame, 4, upper connecting sleeve, 5, lower connecting sleeve, 6, upper threaded rod, 7, fastening nut, 8, round steel, 9, steel form, 10, lower threaded rod, 11, fixed rod, 12, fixed ring, 13, beam plate embedded steel bar. Specific implementation
[0022] To clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.
[0023] Referring to Figs. 1 to 4 The utility model relates to a kind of bridge crash barrier pouring formwork support reinforcement device, including support rod 1, the upper and lower ends of support rod 1 are respectively fixedly connected with upper fixed frame 2 and lower fixed frame 3, the center part of the side of upper fixed frame 2 away from support rod 1 is fixedly connected with upper connecting sleeve 4, the center of the side of lower fixed frame 3 away from support rod 1 is not fixedly connected with lower connecting sleeve 5, upper connecting sleeve 4 is threadedly connected with L-shaped upper threaded rod 6, two fastening nuts 7 are threadedly connected with the side of upper threaded rod 6 away from upper connecting sleeve 4, Ω-shaped round steel 8 is arranged between the two fastening nuts 7, the side wall of round steel 8 is welded with steel form 9, lower connecting sleeve 5 is threadedly connected with columnar lower threaded rod 10, fixed rod 11 is fixedly connected with the side of lower threaded rod 10 away from lower connecting sleeve 5, one side is open fixed ring 12 and is fixedly connected with the end of fixed rod 11 away from lower connecting sleeve 5, fixed ring 12 is clamped with beam plate embedded steel bar 13.
[0024] Support rod 1 is A43*3mm specification steel pipe, its length is 2.5m, upper fixed frame 2 and lower fixed frame 3 are both U-shaped steel member, the inner wall of both sides of upper fixed frame 2 and lower fixed frame 3 is welded with the outer wall of both sides of support rod 1, and the welding length is not less than 100mm, the interval between the inner wall of both sides of upper fixed frame 2 and lower fixed frame 3 is same with the outer diameter size of support rod 1. Lower threaded rod 10 is Q235 steel material, fixed ring 12 is steel material, and the opening direction thereof is away from the side of lower threaded rod 10, the arc of fixed ring 12 is 270 °, and the inner diameter of fixed ring 12 is greater than the diameter of beam plate embedded steel bar 13 by 3-5mm. Upper threaded rod 6 is Q235 steel material, and round steel 8 is HPB300 steel material, the length of both straight sections of both sides of round steel 8 is 10cm, and the inner diameter of arc section of round steel 8 is greater than the diameter of upper threaded rod 6.
[0025] Actual use time: the horizontal part of the upper threaded rod 6 of the top passes through the bending part of the smooth round steel 8 welded with the steel formwork 9, and then the smooth round steel 8 is clamped from both sides by the fastening nuts 7 on both sides to fix the connection state of the top of the device, the bottom is fixed by clamping the fixing ring 12 outside the pre-embedded steel 13 of the beam slab, the supporting rod 1 can be rotated, the supporting distance can be adjusted within a certain range, and the supporting angle of the supporting steel formwork 9 can be adjusted while the support is stable.
[0026] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A bridge crash barrier pouring form support reinforcing device, characterized in that, The utility model provides a support rod (1), upper fixed frame (2) and lower fixed frame (3) are fixedly connected with the upper and lower both ends of support rod (1) respectively, the upper fixed frame (2) is fixedly connected with the upper connecting sleeve (4) in the center part of the side of support rod (1) far away, and the lower fixed frame (3) is not fixedly connected with the lower connecting sleeve (5) in the center of the side of support rod (1) far away, The upper connecting sleeve (4) is screwed with the upper threaded rod (6) of L shape, and the upper threaded rod (6) is screwed with two fastening nuts (7) on the side far away from the upper connecting sleeve (4), and the light round steel bar (8) of omega shape is arranged between the two fastening nuts (7), and the side wall of the light round steel bar (8) is welded with the steel form (9). The lower connecting sleeve (5) is screwed with the lower threaded rod (10) of columnar shape, the lower threaded rod (10) is fixedly connected with the fixed rod (11) on the side far away from the lower connecting sleeve (5), the fixed rod (11) is fixedly connected with the fixed ring (12) with one side being open on the end far away from the lower connecting sleeve (5), and the fixed ring (12) is clamped and matched with the beam plate embedded steel bar (13).
2. The support and reinforcement device for pouring formwork of a crash barrier for bridges according to claim 1, characterized in that, The support rod (1) is a steel pipe with A43*3mm specification, and the length is 2.5m; The upper fixed frame (2) and the lower fixed frame (3) are both U-shaped steel members, and the inner walls of the two sides of the upper fixed frame (2) and the lower fixed frame (3) are welded with the outer walls of the two sides of the support rod (1), and the welding length is not less than 100mm; The spacing between the inner walls of the two sides of the upper fixed frame (2) and the lower fixed frame (3) is the same as the outer diameter size of the support rod (1).
3. The support and reinforcement device for pouring formwork of a crash barrier for bridges according to claim 1, characterized in that, The lower threaded rod (10) is made of Q235 steel, and the fixed ring (12) is made of steel and its opening direction is away from the side of the lower threaded rod (10); The arc of the fixed ring (12) is 270°, and the inner diameter of the fixed ring (12) is greater than the diameter of the beam plate embedded steel bar (13) by 3-5mm.
4. The support and reinforcement device for bridge crash barrier pouring formwork according to claim 1, characterized in that, The upper threaded rod (6) is made of Q235 steel, and the light round steel bar (8) is made of HPB300 steel; The lengths of the two straight line segments of the light round steel bar (8) are both 10cm, and the inner diameter of the arc segment of the light round steel bar (8) is greater than the diameter of the upper threaded rod (6).