Simple positioning device for pre-buried channel

Abstract

The utility model discloses a simple positioning device for an embedded channel, which belongs to the technical field of embedded channels, and comprises an outer template, a channel, a T-shaped component and a full-thread screw, the right side of the outer template is fixedly connected with a support frame, two through holes are formed in the outer template, a notch is formed in the channel, and the T-shaped component is fixedly connected with the full-thread screw. A first nut, a flat gasket, a second nut and a third nut are sequentially arranged on the outer side of the full-thread screw, the T-shaped assembly, the full-thread screw and the first nut are assembled into an assembly, the channel and the T-shaped assembly are installed on the left side of the outer formwork, the full-thread screw penetrates through a through hole of the outer formwork, and the flat gasket, the second nut and the third nut are installed on the right side of the full-thread screw. A three-wire fixing mode is adopted, the quality problem of pre-embedded installation of the prefabricated box girder channel is solved, notch deformation caused by heat treatment is avoided, a cable bridge support can be conveniently installed, the channel is fixed through the simple channel positioning device, a plating layer of the channel cannot be damaged, the anti-corrosion durability of a channel pre-embedded part cannot be affected, and the service life of the channel is prolonged. And the channel is accurately positioned without deformation.

Description

Technical Field

[0001] This utility model belongs to the field of pre-embedded channel technology, specifically relating to a simple positioning device for pre-embedded channels. Background Technology

[0002] An embedded channel is a load-bearing anchoring component pre-embedded in a concrete structure. It consists of a channel body, anchor rods, and T-bolts. It is mainly used to fix facilities such as power supports, pipeline equipment, or building curtain walls. It features high load-bearing capacity, convenient construction, and strong corrosion resistance.

[0003] Currently, when installing precast beams with embedded channels, heat treatment is used to fix them to the outer formwork. The embedded parts of the channels are galvanized for corrosion protection to improve their durability. However, heat treatment can easily damage the galvanized layer. The channels are thin-walled, hollow structures with stress concentration points at their edges. Uneven heating during heat treatment causes stress concentration and channel deformation, resulting in narrowing of the channel opening. This makes it impossible to install T-bolts for fixing cable trough supports, requiring rework before leaving the factory. In addition to affecting the quality of the beam, this also requires additional manpower and financial resources. If the precast beams do not meet the requirements upon factory acceptance, there is a risk of delaying the beam erection schedule. Therefore, we propose a simple positioning device for embedded channels. Utility Model Content

[0004] The purpose of this utility model is to provide a simple positioning device for pre-embedded channels, in order to solve the problems mentioned in the background art, such as the deformation of the channel caused by uneven heating during the heat treatment process, resulting in the narrowing of the channel opening, making it impossible to install the T-bolts for fixing the cable trough support, requiring rework before leaving the factory, which not only affects the quality of the beam, but also requires additional manpower and financial resources. Furthermore, if the precast beam fails to meet the requirements for factory acceptance, there is a risk of delaying the beam erection period.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a simple positioning device for pre-embedded channels, comprising an outer template and a channel, a T-shaped component, and a threaded rod. A support frame is fixedly connected to the right side of the outer template, and there are two support frames. Two through holes are opened inside the outer template. A groove is provided inside the channel. The threaded rod is fixedly connected to the right side of the T-shaped component. A first nut, a flat washer, a second nut, and a third nut are sequentially arranged on the outer side of the threaded rod. The threaded rod is movably connected inside the through holes. The T-shaped component and the first nut are engaged inside the groove. The channel, the T-shaped component, and the first nut are all located on the left side of the outer template, and the flat washer, the second nut, and the third nut are all located on the right side of the outer template.

[0006] Preferably, the outer side of the threaded screw is provided with external threads, and the inner sides of the through hole, nut No. 1, nut No. 2 and nut No. 3 are all provided with internal threads, and the external threads are adapted to the internal threads.

[0007] Preferably, the opening diameter of the through hole and the inner diameter of the No. 1 nut, No. 2 nut and No. 3 nut are 10mm, and the type of the threaded screw is M10.

[0008] Preferably, double-sided adhesive is provided on the right side of the channel, with one end of the double-sided adhesive being pasted on the right side of the channel and the other end being pasted on the left side of the outer template.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. By assembling the T-shaped component, the threaded rod, and the No. 1 nut into a modular assembly, the channel and the assembly are installed together on the left side of the outer template. The threaded rod is inserted through the through hole of the outer template. A flat washer, the No. 2 nut, and the No. 3 nut are installed on the right side of the threaded rod. The three-thread fixing method solves the quality problem of the pre-embedded installation of the precast box girder channel, avoids the deformation of the channel opening caused by heat treatment, and facilitates the installation of cable bridge supports. The use of a simple channel positioning device to fix the channel will not damage the coating of the channel, will not affect the rust prevention and durability of the channel embedded parts, and the channel positioning is accurate and without deformation.

[0011] 2. By simultaneously unscrewing nuts No. 2 and No. 3, the threaded rod can be removed at the same time, leaving only the T-shaped component and nut No. 1 inside the groove. After the outer template is transferred, remove the T-shaped component and nut No. 1 from the groove and clean them for subsequent reuse. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the T-shaped component, channel, and outer template of this utility model.

[0014] In the diagram: 1. Outer template; 2. Channel; 3. T-shaped component; 4. All-threaded screw; 5. Support frame; 6. Through hole; 7. Groove; 8. Nut No. 1; 9. Flat washer; 10. Nut No. 2; 11. Nut No. 3; 12. External thread; 13. Internal thread; 14. Double-sided tape. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-2 This utility model provides a simple positioning device for pre-embedded channels: it includes an outer template 1 and a channel 2, a T-shaped component 3, and a threaded rod 4. A support frame 5 is fixedly connected to the right side of the outer template 1, and there are two support frames 5. Two through holes 6 are opened inside the outer template 1. A groove 7 is provided inside the channel 2. The threaded rod 4 is fixedly connected to the right side of the T-shaped component 3. A first nut 8, a flat washer 9, a second nut 10, and a third nut 11 are arranged sequentially on the outside of the threaded rod 4. The threaded rod 4 is movably connected inside the through holes 6. The T-shaped component 3 and the first nut 8 are engaged inside the groove 7. The channel 2, the T-shaped component 3, and the first nut 8 are all located on the left side of the outer template 1, and the flat washer 9, the second nut 10, and the third nut 11 are all located on the right side of the outer template 1.

[0017] Specifically, the outer side of the threaded screw 4 is provided with an external thread 12, and the inner side of the through hole 6, the first nut 8, the second nut 10, and the third nut 11 are all provided with internal threads 13. The external thread 12 and the internal thread 13 are compatible. The external thread 12 and the internal thread 13 facilitate the installation and disassembly of the threaded screw 4 with the through hole 6, the first nut 8, the second nut 10, and the third nut 11.

[0018] Specifically, the opening diameter of through hole 6 and the inner diameter of nut 8, nut 10 and nut 11 are 10mm, and the type of threaded screw 4 is M10.

[0019] Specifically, double-sided adhesive tape 14 is provided on the right side of the channel 2. One end of the double-sided adhesive tape 14 is pasted on the right side of the channel 2, and the other end is pasted on the left side of the outer template 1.

[0020] In this implementation plan, firstly, the No. 1 nut 8 is connected to the outside of the threaded rod 4. Then, the No. 1 nut 8 and the T-shaped component 3 are integrated. The installation position of the channel embedded part is marked on the outer template 1. Two through holes 6 with a diameter of 10mm are opened on the outer template 1 using an electromagnetic template hole opener. The edge of the groove 7 of the channel 2 is attached to the template with double-sided tape 14 to prevent grout from entering during concrete pouring. After assembling the T-shaped component 3, the threaded rod 4, and the No. 1 nut 8 into a combination, the end of the T-shaped component 3 is inserted into the groove 7 of the channel 2 and rotated 90° to tighten and fix the channel 2. The channel 2 and the combination are then installed on the outer template. On the upper left side, the threaded rod 4 passes through the through hole 6 of the outer template 1. A flat washer 9 is installed on the right side of the outer template 1. First, tighten the second nut 10 to fix the channel 2. After the concrete is poured and initially set, tighten the third nut 11 onto the threaded rod 4. The three-thread fixing method solves the quality problem of the precast box girder channel pre-embedded installation and avoids the deformation of the channel opening 7 caused by heat treatment. This facilitates the installation of the cable bridge support. Using the simple channel positioning device to fix the channel 2 will not damage the coating of the channel 2 and will not affect the rust prevention and durability of the pre-embedded parts of the channel 2. The channel 2 is accurately positioned without deformation, avoiding rework and hole enlargement in the later stage.

[0021] By simultaneously unscrewing and removing nuts 10 and 11, the threaded rod 4 can be removed along with it, leaving only the T-shaped component 3 and nut 8 inside the slot 7. After the outer template 1 is transferred, the T-shaped component 3 and nut 8 are removed from the slot 2 and cleaned for subsequent reuse.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used merely 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. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A simple positioning device for pre-embedded channels, comprising an outer template (1) and a channel (2), a T-shaped assembly (3), and a threaded screw (4), characterized in that: The outer template (1) is fixedly connected to a support frame (5) on the right side. There are two support frames (5). The outer template (1) has two through holes (6) inside. The channel (2) has a groove (7) inside. The threaded rod (4) is fixedly connected to the right side of the T-shaped component (3). The threaded rod (4) has a first nut (8), a flat washer (9), a second nut (10), and a third nut (11) arranged in sequence on the outside of the threaded rod (4). The threaded rod (4) is movably connected inside the through hole (6). The T-shaped component (3) and the first nut (8) are engaged inside the groove (7). The channel (2), the T-shaped component (3), and the first nut (8) are all located on the left side of the outer template (1). The flat washer (9), the second nut (10), and the third nut (11) are all located on the right side of the outer template (1).

2. The simple positioning device for pre-embedded channels according to claim 1, characterized in that: The outer side of the threaded screw (4) is provided with an external thread (12), and the inner side of the through hole (6), nut No. 1 (8), nut No. 2 (10) and nut No. 3 (11) are all provided with internal threads (13). The external thread (12) and the internal thread (13) are adapted to each other.

3. The simple positioning device for pre-embedded channels according to claim 1, characterized in that: The opening diameter of the through hole (6) and the inner diameter of the first nut (8), the second nut (10) and the third nut (11) are 10 mm, and the type of the threaded screw (4) is M10.

4. The simple positioning device for pre-embedded channels according to claim 1, characterized in that: Double-sided adhesive tape (14) is provided on the right side of the channel (2). One end of the double-sided adhesive tape (14) is pasted on the right side of the channel (2), and the other end is pasted on the left side of the outer template (1).

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