Prestressed concrete T-beam free end sealing mechanism
By designing a free-end sealing mechanism for prestressed concrete T-beams, the construction difficulty and quality problems caused by the lack of a fixed structure in the existing sealing device were solved. This achieved simple and quick installation and efficient grouting effect, ensuring the sealing quality and grouting uniformity.
Patent Information
- Application Number
- CN202520327890.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The lack of installation and fixing structures in existing precast T-beam end-sealing devices increases construction difficulty, makes it hard to guarantee end-sealing quality, and easily leads to displacement and deformation problems.
A free end sealing mechanism for prestressed concrete T-beams was designed, including a sealing structure and a sealing connection mechanism. Through the design of installation components and fixing components, the installation of the sealing mechanism is simple, quick and accurate. The threaded sealing connection mechanism ensures that the mechanism does not shift or loosen during grouting.
It improves construction efficiency, ensures end-sealing quality, reduces construction difficulty, guarantees the uniformity and density of grouting, reduces maintenance costs, and is reusable.
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Figure CN223675121U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to T beam end sealing technical field, concretely is a prestressed concrete T beam free end sealing mechanism. BACKGROUND
[0002] T-shaped beam bridge is the load bearing structure that combines by the upper flange and beam rib of reinforced concrete, and the T-shaped beam that plays a major supporting role needs to be built when building the T-shaped beam bridge. In the finishing work of building the T-shaped beam, the T-shaped beam simply supported end needs to be sealed and anchored. Sealing and anchoring refers to that after the adhesion prestress is completed, the anchor tool that has clamped the steel strand is closed with high-strength concrete, and after reaching a certain strength, the pressure grouting cement slurry into the prestressed duct is started.
[0003] The utility model discloses a beam end sealing and anchoring device for prefabricated T beam, including sealing and anchoring formwork, formwork fixing piece and formwork reinforcing assembly, sealing and anchoring formwork is the planar board structure, and one face of sealing and anchoring formwork can match and set up at the beam end of T beam, formwork reinforcing assembly sets up on the other face of sealing and anchoring formwork, and the both ends of formwork reinforcing assembly extend to the outside of sealing and anchoring formwork respectively, one end of formwork fixing piece is installed on the end of formwork reinforcing assembly located the outside of sealing and anchoring formwork, and the other end of formwork fixing piece is connected on the reinforcement of the transverse diaphragm of prefabricated T beam, so that a plurality of formwork fixing pieces are respectively arranged on the both sides of the longitudinal diaphragm of prefabricated T beam. The utility model can improve the construction appearance quality of the beam end sealing and anchoring concrete of prefabricated T beam.
[0004] As shown in the above device, the prefabricated T beam end sealing device of the prior art can improve the construction appearance quality of the beam end sealing and anchoring concrete of the prefabricated T beam, but when sealing, if the installation and fixing structure is lacking, the construction difficulty of injection sealing will increase, and it is difficult to ensure the quality of sealing. If displacement, deformation and other problems occur during the sealing process, the quality of construction will be affected. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a prestressed concrete T beam free end sealing mechanism, which solves the problems of the prior art.
[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a prestressed concrete T beam free end sealing mechanism, comprising a concrete T main beam, further comprising:
[0007] A sealing structure is arranged on the outer wall of the concrete T main beam and used for assisting in sealing the free end of the prestressed concrete T beam.
[0008] A sealing and connecting mechanism is arranged above the sealing structure and used for sealing and connecting the injection pipe auxiliary sealing structure for injection sealing.
[0009] The end sealing structure comprises an end sealing plate, a sealing gasket is rotationally connected to the outer wall of the end sealing plate, a sealing groove is formed in the outer wall of the end sealing plate, a hinge hole is formed in the outer wall of the end sealing plate, a sliding groove is formed in the outer wall of the end sealing plate, a mounting assembly is arranged on the inner wall of the sliding groove, and a sealing strip is fixedly connected to the outer wall of the end sealing plate.
[0010] Preferably, the mounting assembly comprises a sliding plate, the sliding plate is slidingly connected to the outer wall of the sliding groove, an insertion slot is formed in the outer wall of the sliding plate, a bolt is threadedly connected to the inner wall of the sliding plate, and a fixing assembly is arranged at the bottom end of the sliding plate.
[0011] Preferably, the fixing assembly comprises an insertion ring, the insertion ring is arranged on the outer wall of the insertion slot, a rotating frame is fixedly arranged on the outer wall of the insertion ring, a fixed screw rod is fixedly connected to one end of the insertion ring, a movable soft plate is fixedly connected to the other end of the fixed screw rod, and a threaded groove is formed in the outer wall of the fixed screw rod.
[0012] Preferably, the sealing connection mechanism comprises a threaded pipe, the threaded pipe is arranged above the concrete T main beam, one end of the threaded pipe is fixedly connected with a connecting sleeve, a limiting cylinder is fixedly connected to the inner wall of the threaded pipe, a reset spring A is sleeved on the outer wall of the limiting cylinder, one end of the reset spring A is fixedly connected with a sliding ring, a sealing ring is arranged on the inner wall of the limiting cylinder, a pushing ring is slidingly connected to the outer wall of the connecting sleeve, a movable block is fixedly connected to the inner wall of the pushing ring, one end of the movable block is fixedly connected with a reset spring B, a limiting groove is formed in the inner wall of the connecting sleeve, and a limiting valve ball is movably connected in the limiting groove.
[0013] Preferably, the outer wall of the concrete T main beam is fixedly connected with a side beam plate, so as to improve the bearing capacity of the whole mechanism, and the bottom end of the concrete T main beam is fixedly connected with a base, so as to provide a fixed and supporting foundation for the concrete T main beam.
[0014] Preferably, the concrete T main beam is connected with an end sealing bin through the end sealing structure, and the concrete T main beam is connected with the sealing connection mechanism through the end sealing bin.
[0015] The prestressed concrete T beam free end sealing mechanism provided by the utility model has the following advantages compared with the prior art:
[0016] 1. The prestressed concrete T beam free end sealing mechanism is provided with an end sealing structure, the installation of the end sealing mechanism is more convenient and fast through the design of the mounting and fixing assembly, the construction difficulty and workload are reduced, the construction efficiency is improved, the construction period is shortened, the position of the end sealing mechanism is accurate and fixedly firm in the construction process through the fixing assembly, displacement and deformation are avoided, the size and shape of the end sealing meet the design requirements, and the construction quality is improved.
[0017] 2、The free end sealing mechanism of the prestressed concrete T beam is provided with a sealing connecting mechanism, through the sealing connecting mechanism, the position of the injection pipe can be ensured to be accurate and fixed firmly, displacement or loosening will not occur in the grouting process, so that the uniformity and compactness of grouting are ensured, the grouting quality is improved, the sealing effect is ensured, and meanwhile the sealing connecting mechanism with threaded connection has the characteristics of being reusable, can be conveniently disassembled and reinstalled when later maintenance or re-grouting is required, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of the utility model;
[0019] Figure 2 It is a sealing mechanism schematic view of the utility model;
[0020] Figure 3 It is an installation assembly schematic view of the utility model;
[0021] Figure 4 It is a fixed assembly schematic view of the utility model;
[0022] Figure 5 It is a sealing connecting mechanism front view of the utility model;
[0023] Figure 6 It is a sealing connecting mechanism sectional view of the utility model.
[0024] In the drawing: 1, concrete T main beam; 2, side beam plate; 3, base; 4, end sealing structure; 41, end anchor plate; 42, sealing gasket; 43, sealing groove; 44, hinged hole; 45, sliding groove; 46, installation assembly; 461, sliding plate; 462, insertion slot; 463, bolt; 464, fixed assembly; 4641, insertion ring; 4642, fixed screw; 4643, rotating frame; 4644, movable soft plate; 4645, threaded groove; 47, sealing strip; 5, end anchor warehouse; 6, sealing connecting mechanism; 61, threaded pipe; 62, connecting sleeve; 63, pushing ring; 64, limiting cylinder; 65, reset spring A; 66, sliding ring; 67, reset spring B; 68, sealing ring; 69, limiting groove; 610, limiting valve ball. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Reference Figures 1-6The utility model provides two following technical schemes:
[0027] The first implementation: a prestressed concrete T beam free end sealing mechanism, including concrete T main beam 1, still include:
[0028] Sealing structure 4 is arranged in the outer wall of concrete T main beam 1, is used to assist the free end of prestressed concrete T beam to seal;
[0029] Sealing connection mechanism 6 is arranged above sealing structure 4, is used to seal the injection pipe auxiliary sealing structure 4 and carries out injection sealing;
[0030] The outer wall of concrete T main beam 1 is fixedly connected with side beam plate 2, is used to improve the bearing capacity of overall mechanism, and the bottom end of concrete T main beam 1 is fixedly connected with base 3, is used to provide fixed and support foundation for concrete T main beam 1.
[0031] Concrete T main beam 1 is connected with anchor sealing bin 5 through sealing structure 4, and concrete T main beam 1 is connected with sealing connection mechanism 6 through anchor sealing bin 5.
[0032] Sealing structure 4 includes anchor sealing plate 41, and the outer wall of anchor sealing plate 41 is rotatably connected with sealing gasket 42, and the outer wall of anchor sealing plate 41 is provided with sealing groove 43, and the outer wall of anchor sealing plate 41 is provided with hinged hole 44, and the outer wall of anchor sealing plate 41 is provided with sliding groove 45, and the inner wall of sliding groove 45 is provided with mounting assembly 46, and the outer wall of anchor sealing plate 41 is fixedly connected with sealing strip 47.
[0033] Mounting assembly 46 includes sliding plate 461, and sliding plate 461 is slidably connected to the outer wall of sliding groove 45, and the outer wall of sliding plate 461 is provided with insertion slot 462, and the inner wall of sliding plate 461 is threadedly connected with bolt 463, and the bottom end of sliding plate 461 is provided with fixed assembly 464.
[0034] Fixed assembly 464 includes insertion ring 4641, and insertion ring 4641 is arranged on the outer wall of insertion slot 462, and the outer wall of insertion ring 4641 is fixedly installed with rotating frame 4643, and one end of insertion ring 4641 is fixedly connected with fixed screw rod 4642, and the other end of fixed screw rod 4642 is fixedly connected with movable soft plate 4644, and the outer wall of fixed screw rod 4642 is provided with screw groove 4645.
[0035] The prestressed concrete T beam free end sealing mechanism is provided with sealing structure 4, the installation of sealing mechanism can be more convenient and fast through the design of mounting and fixed assembly 464, reduces construction difficulty and work load, improves construction efficiency, shortens construction period, and fixed assembly 464 can ensure that sealing mechanism is accurate in position, fixedly firm during construction process, avoids displacement, deformation and other problems, ensures that the size and shape of sealing meet design requirements, and improves construction quality.
[0036] The second embodiment, the main difference from the first embodiment is that the sealing connection mechanism 6 comprises a threaded pipe 61, the threaded pipe 61 is arranged above the concrete T girder 1, one end of the threaded pipe 61 is fixedly connected with a connecting sleeve 62, the inner wall of the threaded pipe 61 is fixedly connected with a limiting cylinder 64, the outer wall of the limiting cylinder 64 is sleeved with a reset spring A 65, one end of the reset spring A 65 is fixedly connected with a sliding ring 66, the inner wall of the limiting cylinder 64 is provided with a sealing ring 68, the outer wall of the connecting sleeve 62 is slidably connected with a push ring 63, the inner wall of the push ring 63 is fixedly connected with a movable block, one end of the movable block is fixedly connected with a reset spring B 67, the inner wall of the connecting sleeve 62 is provided with a limiting groove 69, and the limiting groove 69 is movably connected with a limiting valve ball 610.
[0037] The prestressed concrete T girder free end sealing mechanism is provided with a sealing connection mechanism 6, through the sealing connection mechanism 6, the position of the injection pipe can be ensured to be accurate and fixed firmly, and displacement or loosening will not occur in the grouting process, so that the uniformity and compactness of grouting are ensured, the grouting quality is improved, the sealing effect is ensured, and meanwhile the sealing connection mechanism 6 with threaded connection has the characteristics of being reusable, and when later maintenance or re-grouting is needed, the sealing connection mechanism 6 can be conveniently disassembled and reinstalled, thereby reducing the maintenance cost.
[0038] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used.
[0039] When the free end of the concrete T girder 1 needs to be sealed, and the overall installation of the sealing structure 4 is carried out, first, a small hole is drilled in the cleaned side beam plate 2 by a drilling tool, then the sliding plate 461 is slidably connected in the sliding groove 45, after connection, the insertion slot 462 is aligned with the small hole by manual comparison, and one end of the sealing anchor plate 41 provided with the sealing strip 47 is tightly attached to the side beam plate 2, then one end of the movable soft plate 4644 of the fixing assembly 464 is inserted into the insertion slot 462 and sent into the drilled hole, then the tool is used to rotate the fixing screw 4642 by rotating the frame 4643, and the fixing assembly 464 is fixed in the small hole, thereby the sealing anchor plate 41 is fixed in one layer, then the bolt 463 is rotated to pass through the insertion ring 4641 and enter the threaded groove 4645, and the movable soft plate 4644 is gradually extruded as the bolt 463 penetrates, and the sealing anchor plate 41 is fixed again as the movable soft plate 4644 is continuously extruded in the drilled hole, thereby the sealing anchor plate 41 is fixed and sealed on the side beam plate 2 as a whole, then the sealing anchor bin 5 is slidably connected in the sealing groove 43, when the inner wall of the sealing anchor bin 5 tightly abuts against the outer wall of the sealing anchor plate 41, the sealing anchor bin 5 and the sealing anchor plate 41 are fixed by manual and screwing with the aid of tools, when the pouring of the sealing end is fixed, the sealing connection mechanism 6 is connected and installed by rotating the threaded sleeve, then the movable block is moved and the reset spring B67 is extruded by pushing the pushing ring 63, when the pushing ring 63 gradually moves out of the range of the limiting groove 69, the limiting valve ball 610 is in a movable state, at this time, the sliding ring 66 connected at one end is moved by the reset spring A65, at this time, the injection pipe is inserted, when one end of the injection pipe is inserted into the inside of the sealing connection mechanism 6, the sliding ring 66 and the reset spring A65 are extruded as one end of the injection pipe gradually enters the sealing connection mechanism 6, when it reaches a certain degree and tightly abuts against the sealing ring 68, the pushing ring 63 is loosened, the pushing ring 63 is reset to cover the limiting groove 69 as the reset spring B67 moves, at the same time, the limiting valve ball 610 is extruded to move to the inside and is clamped in the clamping groove opened in the outer wall of the injection pipe, thereby the connection and installation of the injection pipe are completed, after installation, the injection material is delivered to the inside of the sealing anchor plate 41 and the sealing anchor bin 5 by the injection pipe to fill and seal the end.
[0040] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.
Claims
1. A prestressed concrete T-beam free end sealing mechanism comprising a concrete T main beam (1), characterized in that, Also include: The end structure (4) is arranged on the outer wall of the concrete T girder (1), which is used for auxiliary sealing of the free end of the prestressed concrete T girder; The sealing connection mechanism (6) is arranged above the sealing structure (4), which is used for sealing connection of the injection pipe auxiliary sealing structure (4) for injection sealing; The end structure (4) includes an anchor plate (41), the outer wall of the anchor plate (41) is rotatably connected with a sealing gasket (42), the outer wall of the anchor plate (41) is provided with a sealing groove (43), the outer wall of the anchor plate (41) is provided with a hinge hole (44), the outer wall of the anchor plate (41) is provided with a sliding groove (45), the inner wall of the sliding groove (45) is provided with a mounting assembly (46), and the outer wall of the anchor plate (41) is fixedly connected with a sealing strip (47).
2. The free end capping mechanism of a prestressed concrete T-beam according to claim 1, characterized in that: The mounting assembly (46) includes a sliding plate (461) which is slidably connected to the outer wall of the sliding groove (45), the outer wall of the sliding plate (461) is provided with an insertion slot (462), the inner wall of the sliding plate (461) is threadedly connected with a bolt (463), and the bottom end of the sliding plate (461) is provided with a fixing assembly (464).
3. The free end capping mechanism of a prestressed concrete T-beam according to claim 2, characterized in that: The fixing assembly (464) includes an insertion ring (4641) arranged on the outer wall of the insertion slot (462), a rotating frame (4643) fixedly installed on the outer wall of the insertion ring (4641), a fixed screw rod (4642) fixedly connected to one end of the insertion ring (4641), an elastic plate (4644) fixedly connected to the other end of the fixed screw rod (4642), and a threaded groove (4645) formed in the outer wall of the fixed screw rod (4642).
4. The free end capping mechanism for a pre-stressed concrete T-beam according to claim 1, wherein: The sealing connection mechanism (6) includes a threaded pipe (61) arranged above the concrete T girder (1), one end of the threaded pipe (61) is fixedly connected with a connecting sleeve (62), the inner wall of the threaded pipe (61) is fixedly connected with a limiting cylinder (64), the outer wall of the limiting cylinder (64) is sleeved with a reset spring A (65), one end of the reset spring A (65) is fixedly connected with a sliding ring (66), the inner wall of the limiting cylinder (64) is provided with a sealing ring (68), the outer wall of the connecting sleeve (62) is slidably connected with a pushing ring (63), the inner wall of the pushing ring (63) is fixedly connected with a movable block, one end of the movable block is fixedly connected with a reset spring B (67), the inner wall of the connecting sleeve (62) is provided with a limiting groove (69), and the limiting groove (69) is movably connected with a limiting valve ball (610).
5. The free end capping mechanism for a pre-stressed concrete T-beam according to claim 1, wherein: The outer wall of the concrete T girder (1) is fixedly connected with a side beam plate (2), which is used for improving the carrying capacity of the whole mechanism, and the bottom end of the concrete T girder (1) is fixedly connected with a base (3), which is used for providing a fixed and supporting foundation for the concrete T girder (1).
6. The free end capping mechanism of a prestressed concrete T-beam according to claim 1, characterized in that: The concrete T girder (1) is connected with an anchor bin (5) through the end structure (4), and the outer wall of the anchor bin (5) is fixedly connected with a threaded sleeve, which is used for connection with the sealing connection mechanism (6).
Citation Information
Patent Citations
Beam end anchor sealing device for prefabricating T-beam
CN217454397U