Precast beam capable of preventing corrugated pipe from deforming

By adding support components and capping assemblies to precast beams, and using threaded structures and fastening components to fix the corrugated pipes, the problem of deformation of the corrugated pipes during the pouring process was solved, thus achieving smooth construction and cost savings.

CN224106720UActive Publication Date: 2026-04-10THE 5TH ENG MBEC +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During the casting of precast beams, corrugated pipes are prone to deformation due to concrete compression, which can affect subsequent construction operations.

Method used

A support is added within the pipe space of the bellows, and the bellows is secured by a threaded structure and fastening components through a detachable connection between the cap assembly and the support to prevent deformation.

Benefits of technology

It effectively prevents the corrugated pipe from deforming under the pressure of concrete, ensuring the smooth progress of subsequent construction, reducing material costs and increasing the service life of the support components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a precast beam capable of preventing a corrugated pipe from deforming. The precast beam comprises a beam body, a reinforcement cage, a corrugated pipe and a supporting piece; the corrugated pipe is arranged in the mounting position of the reinforcement cage and is fixedly connected with the reinforcement cage; the supporting piece is arranged in the pipeline space of the corrugated pipe in a sleeved mode, and the supporting piece is detachably connected with the corrugated pipe. At least one end of the supporting piece is provided with a sealing cover assembly playing a sealing cover role, and the supporting piece and the sealing cover assembly are detachably connected. Wherein when the steel bar frame composed of the steel bar cage, the corrugated pipe and the supporting piece is poured, the supporting piece supports the corrugated pipe to correspondingly form a cavity structure of the pipeline space. According to the corrugated pipe, the supporting piece is additionally arranged in the pipeline space of the corrugated pipe, the cavity structure of the corrugated pipe is supported through the supporting piece, and therefore the corrugated pipe can be prevented from deforming under the extrusion effect of concrete in the concrete pouring process, and follow-up construction operation is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to precast beam technical field especially is related to a precast beam with prevent corrugated pipe deformation. BACKGROUND

[0002] With the arrival of the era of large infrastructure, the construction industry all over the country is transforming and upgrading, in order to further improve the construction efficiency and construction quality, precast beam technology goes on the historical stage. Different from the traditional site pouring concrete, the emergence and development of precast beam technology has the advantages of short construction period, quality controllable etc. Among them, in the pouring process of precast beam, construction personnel usually join corrugated pipe, so as to form a reserved hole in the precast beam, in order to wear prestressed steel bar.

[0003] However, at least one problem exists in the related art: in the process of pouring concrete, the corrugated pipe is prone to deformation under the extrusion of concrete, thereby affecting the subsequent construction operation. SUMMARY

[0004] The utility model discloses a precast beam with prevent corrugated pipe deformation, it can prevent corrugated pipe from producing deformation under the extrusion of concrete in the process of pouring concrete, to guarantee the subsequent construction operation.

[0005] The utility model discloses a precast beam with prevent corrugated pipe deformation, it can prevent corrugated pipe from producing deformation under the extrusion of concrete in the process of pouring concrete, to guarantee the subsequent construction operation.

[0006] A precast beam with prevent corrugated pipe deformation, including: including beam body, reinforcing cage, corrugated pipe and support, the inside of reinforcing cage in beam body is equipped with installation site, corrugated pipe sets up in installation site, and is fixedly connected with reinforcing cage, support is sleeved in the pipeline space of corrugated pipe, and support and corrugated pipe are detachably connected, wherein, when pouring the reinforcing cage, corrugated pipe and support frame formed by the cavity structure corresponding to the pipeline space is supported by the support.

[0007] Compared with the prior art, the technical effects reached by adopting the technical scheme are as follows: compared with directly adding corrugated pipe in the related art, the utility model adds a support in the pipeline space of the corrugated pipe, and the cavity structure of the corrugated pipe is supported by the support, so that in the process of pouring concrete, the corrugated pipe can be prevented from deforming under the extrusion of concrete, to ensure the subsequent construction operation.

[0008] In one example of the utility model, the precast beam further comprises a cover assembly, at least one end of the support is provided with a cover assembly for covering, and the two are detachably connected, wherein, when the cover assembly is assembled to the corresponding corrugated pipe, the cover assembly is sleeved to the outer surface of the corresponding end of the corrugated pipe, to limit the movement of the support relative to the corrugated pipe.

[0009] Compared with the prior art, the technical effects reached by adopting the technical scheme are that the support member is not easy to be detached from the pipeline space, so that the material of the support member can be saved and the cost is reduced.

[0010] In one example of the utility model, the cover assembly is threadedly connected with the support member.

[0011] In one example of the utility model, at least one end of the support member is provided with an internal thread structure; the cover assembly comprises a cover plate, and the cover plate is provided with an external thread convex part that is threadedly connected with the internal thread structure of the support member.

[0012] Compared with the prior art, the technical effects reached by adopting the technical scheme are that the fastening effect between the cover plate and the support member is realized through the engagement force and friction force of the thread inclined surface, which is simple and reliable and easy to maintain; the external thread convex part is arranged inside the cover plate, and the internal thread structure of the support member is arranged, so that the external thread convex part and the internal thread structure of the support member are not easy to be abraded by abnormal use in the idle state, thereby improving the service life of the cover plate.

[0013] In one example of the utility model, a fastening groove is arranged in the middle of the outer side wall of the cover plate; the cover assembly further comprises a fastening assembly; the fastening assembly is installed in the fastening groove and movably connected with the cover plate; wherein the fastening assembly applies a fastening force to the cover plate to clamp the corrugated pipe.

[0014] Compared with the prior art, the technical effects reached by adopting the technical scheme are that in the actual construction process, the fastening assembly applies a fastening force to the cover plate to clamp the corrugated pipe, which may cause slight deformation of the corrugated pipe, but the support member supports the corrugated pipe, so that the corrugated pipe is clamped between the cover plate and the support member, and the corrugated pipe forms a pipeline space to facilitate subsequent installation of the pre-tensioned steel bar.

[0015] In one example of the utility model, the cover plate comprises a connecting part; the connecting part is arranged on the outer side wall in the fastening groove, and a matching hole is arranged on the connecting part; the fastening assembly is movably connected with the connecting part through the matching hole.

[0016] Compared with the prior art, the technical effects reached by adopting the technical scheme are that the fastening assembly is movably connected with the fastening groove through the connecting part, so that in the process of adjusting the fastening assembly, the worker does not need to perform a grabbing action on the fastening assembly, but only needs to move the fastening assembly, which can save time and effort.

[0017] In one example of the utility model, the fastening assembly comprises: a first annular member, one end of the first annular member is provided with a first buckling part which movably cooperates with the connecting part; a second annular member, the second annular member is oppositely arranged with the first annular member, and one end of the second annular member is provided with a second buckling part which movably cooperates with the connecting part; the first annular member and the second annular member are both semicircular; wherein, when the other end of the first annular member is screwed with the other end of the second annular member, the fastening assembly is fastened into the fastening groove.

[0018] Compared with the prior art, the technical effects reached by adopting the technical scheme are: in the process of pouring concrete, the corrugated pipe is easily moved relative to the support due to the extrusion and vibration of the concrete, so that the corrugated pipe cannot be completely supported, the first annular member and the second annular member fix the corrugated pipe through distributed high pressure to prevent the corrugated pipe from deforming or moving, and the support effect of the support is further improved.

[0019] In one example of the utility model, the other end of the first annular member and the other end of the second annular member are both provided with a connecting through hole for cooperation and connection; the fastening assembly further comprises a bolt and a nut, the bolt passes through the connecting through hole and is screwed with the nut, and is used for fastening the first annular member and the second annular member.

[0020] Compared with the prior art, the technical effects reached by adopting the technical scheme are: in the process of pouring concrete, workers usually use a mixer to vibrate to reduce the air bubbles generated between the concrete, the first annular member and the second annular member are connected through the bolt and the nut, which can improve the anti-shock and anti-loose performance, thereby improving the fastening effect of the fastening assembly.

[0021] In one example of the utility model, a hand holding part is arranged on the outer side wall of the cover plate and the upper surface of the fastening groove, and an anti-skid pattern is arranged on the hand holding part.

[0022] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the hand holding part is arranged, so that the screwing of the cover assembly and the fastening assembly is facilitated, and the arrangement of the anti-skid pattern can increase the friction, so that the installation and disassembly are more time-saving and labor-saving.

[0023] After the technical scheme of the utility model is adopted, the following technical effects can be achieved:

[0024] (1) Compared with directly adding a corrugated pipe in the related art, the utility model adds a support in the pipe space of the corrugated pipe, and the cavity structure of the corrugated pipe is supported through the support, so that in the process of pouring concrete, the corrugated pipe can be prevented from deforming under the extrusion of the concrete, so as to ensure subsequent construction work;

[0025] (2) In the process of pouring concrete, the corrugated pipe is subjected to extrusion and vibration of the concrete, and is prone to movement relative to the support member, thereby failing to completely support the corrugated pipe, the first annular member and the second annular member of the fastening assembly are fixed to the corrugated pipe by distributed high pressure to prevent the corrugated pipe from deforming or moving, and the supporting effect of the support member is further improved;

[0026] (3) In the process of pouring concrete, workers usually use a mixer to vibrate to reduce the air bubbles generated between the concrete, the first annular member and the second annular member are connected by bolts and nuts, which can improve the anti-seismic and anti-loose performance, thereby improving the fastening effect of the fastening assembly. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A cooperation relationship schematic view between the support member, the corrugated pipe and the cover assembly is provided for the embodiments of the utility model.

[0028] Figure 2 A structure schematic view of the cover assembly.

[0029] Figure 3 A Figure 2 A sectional view along the A-A direction.

[0030] Figure 4 An explosion view of the fastening assembly.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1, corrugated pipe; 2, support member; 3, cover assembly; 4, cover plate; 5, fastening groove; 6, fastening assembly; 31, hand-held part; 41, external thread convex part; 42, connecting part; 43, internal thread recessed part; 61, first annular member; 611, first buckling part; 62, second annular member; 621, second buckling part; 63, bolt; 64, nut. DETAILED DESCRIPTION

[0033] The utility model will be further explained in detail in combination with the drawings and embodiments.

[0034] Reference Figures 1-4 A precast beam with corrugated pipe deformation prevention, comprising a beam body, a reinforcement cage, a corrugated pipe 1 and a support member 2, an installation site is arranged in the reinforcement cage in the beam body, the corrugated pipe 1 is arranged in the installation site and is fixedly connected with the reinforcement cage 7, the support member 2 is sleeved in the pipeline space of the corrugated pipe 1, and the support member 2 is detachably connected with the corrugated pipe 1, wherein when the reinforcement frame composed of the reinforcement cage 7, the corrugated pipe 1 and the support member 2 is poured, the cavity structure of the pipeline space is formed by supporting the corrugated pipe 1 by the support member 2.

[0035] Preferably, the prefabricated beam further comprises a cover assembly 3, which is provided at at least one end of the support 2 and detachably connected to the support 2; wherein when the cover assembly 3 is assembled to the corresponding corrugated pipe 1, the cover assembly 3 is sleeved to the outer surface of the corresponding end of the corrugated pipe 1 to limit the movement of the support 2 relative to the corrugated pipe 1.

[0036] Preferably, the cover assembly 3 is threadedly connected to the support 2.

[0037] Preferably, at least one end of the support 2 is provided with an internal thread structure; the cover assembly 3 comprises a cover plate 4, and the cover plate 4 is provided with an external thread protrusion 41 which is threadedly connected to the internal thread structure of the support 2.

[0038] Specifically, the corrugated pipe 1 can also be provided with an external thread structure, and the cover plate 4 is provided with an internal thread recess 43 which is threadedly connected to the external thread structure of the corrugated pipe 1.

[0039] Preferably, a fastening groove 5 is provided in the middle of the outer side wall of the cover plate 4; the cover assembly 3 further comprises a fastening assembly 6; the fastening assembly 6 is installed in the fastening groove 5 and movably connected to the cover plate 4; wherein the fastening assembly 6 applies a fastening force to the cover plate 4 to clamp the corrugated pipe 1.

[0040] Preferably, the cover plate 4 comprises a connecting portion 42; the connecting portion 42 is provided on the outer side wall in the fastening groove 5, and a matching hole is provided on the connecting portion 42; the fastening assembly 6 is movably connected to the connecting portion 42 through the matching hole.

[0041] Preferably, the fastening assembly 6 comprises a first annular member 61 and a second annular member 62 which are both semicircular; one end of the first annular member 61 is provided with a first buckling portion 611 which movably matches the connecting portion 42; the second annular member 62 is oppositely arranged to the first annular member 61, and one end of the second annular member 62 is provided with a second buckling portion 621 which movably matches the connecting portion 42; wherein when the other end of the first annular member 61 is threadedly connected to the other end of the second annular member 62, the fastening assembly 6 is fastened into the fastening groove 5.

[0042] Preferably, the other end of the first annular member 61 and the other end of the second annular member 62 are both provided with a connecting through hole which matches the connection; the fastening assembly 6 further comprises a bolt 63 and a nut 64, the bolt 63 is connected to the nut 64 through the connecting through hole, and is used to fasten the first annular member 61 and the second annular member 62.

[0043] Preferably, the outer side wall of the cover plate 4 and the upper surface of the fastening groove 5 are provided with a hand holding portion 31, and the hand holding portion 31 is provided with anti-skid lines.

[0044] Specifically, the hand holding portion 31 can also be provided in a ring structure to facilitate gripping.

[0045] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be limited to the range defined by the claims.

Claims

1. A precast beam with a bellows to prevent deformation of the beam, characterized by: The package comprises: The beam body, the reinforcement cage, the corrugated pipe and the support; the inside of the reinforcement cage in the beam body is provided with a mounting position; the corrugated pipe is arranged in the mounting position and is fixedly connected with the reinforcement cage; the support is sleeved in the pipe space of the corrugated pipe and is detachably connected with the corrugated pipe.

2. The precast beam with corrugated pipe deformation prevention according to claim 1, characterized by: Further comprising a cover assembly, at least one end of the support is provided with a cover assembly for covering, and the two are detachably connected.

3. The precast beam with a bellows to prevent deformation of the beam according to claim 2, wherein: The cover assembly is threadedly connected with the support.

4. The precast beam with a bellows to prevent deformation of the beam according to claim 3, wherein: At least one end of the support is provided with an internal thread structure; the cover assembly comprises a cover plate, and the cover plate is provided with an external thread convex part which is threadedly connected with the internal thread structure of the support.

5. The precast beam with a bellows to prevent deformation of the beam according to claim 4, wherein: A fastening groove is arranged in the middle of the outer side wall of the cover plate; the cover assembly further comprises a fastening assembly; the fastening assembly is arranged in the fastening groove and is movably connected with the cover plate.

6. The precast beam with a bellows to prevent deformation of the beam according to claim 5, wherein: The cover plate comprises a connecting part; the connecting part is arranged on the outer side wall in the fastening groove, and a matching hole is arranged on the connecting part; the fastening assembly is movably connected with the connecting part through the matching hole.

7. The precast beam with a bellows to prevent deformation of the beam according to claim 6, wherein: The fastening assembly comprises: a first ring-shaped part, one end of the first ring-shaped part is provided with a first buckling part which is movably matched with the connecting part; a second ring-shaped part is arranged opposite to the first ring-shaped part, and one end of the second ring-shaped part is provided with a second buckling part which is movably matched with the connecting part; the first ring-shaped part and the second ring-shaped part are both semicircular.

8. The precast beam with a bellows to prevent deformation of the beam according to claim 7, wherein: The other end of the first ring-shaped part and the other end of the second ring-shaped part are both provided with a connecting through hole which is matched and connected; the fastening assembly further comprises a bolt and a nut, the bolt passes through the connecting through hole and is threadedly connected with the nut, and is used for fastening the first ring-shaped part and the second ring-shaped part.

9. The precast beam with protection against deformation of the corrugated pipe according to claim 4, characterized by: A hand holding part is arranged on the upper surface of the outer side wall and the fastening groove of the cover plate, and an anti-skid pattern is arranged on the hand holding part.