Rapid positioning and binding table for prefabricated reinforcing steel bars of large-scale pipe-jacking pipe joints in underground excavation engineering
By designing a positioning hole-steel pipe-positioning hole structure on the pedestal and support frame, the problems of low efficiency and poor safety in the binding of steel bars for large jacking pipe sections were solved, achieving rapid positioning and precise spacing control, thus improving construction efficiency and safety.
Patent Information
- Application Number
- CN202422921992.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-28
AI Technical Summary
In the construction of large-scale pipe jacking projects in underground excavation, the reinforcement ratio of pipe sections is high. Traditional binding techniques require multiple people to work together, making it difficult to control the spacing of the reinforcing bars and posing safety hazards.
A rapid positioning and binding platform was designed, comprising a base, a frame, and pins. The frame has an integrated structure of positioning hole, steel pipe, and positioning hole, forming a binding support platform through the pins, enabling rapid positioning and spacing adjustment of the reinforcing bars.
It improves the efficiency of rebar tying and the accuracy of spacing control, enhances construction safety, and reduces the need for manual labor.
Smart Images

Figure CN223577571U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of precast steel reinforcement technology for large jacking pipe sections in underground excavation projects, and more specifically, to a rapid positioning and binding platform for precast steel reinforcement of large jacking pipe sections in underground excavation projects. Background Technology
[0002] In large-scale pipe jacking construction of underground excavation projects, the pipe sections have a high reinforcement ratio and large main bars. Using traditional rebar tying techniques requires multiple people to work together to tie and fix the main reinforcement skeleton, making construction difficult and making it hard to control the spacing of the rebars, resulting in excessive deviations. In addition, the lack of a support platform makes it easy for the rebars to become unstable during installation, potentially tipping over and injuring the rebar tying workers. Summary of the Invention
[0003] In view of this, the present invention proposes a rapid positioning and binding platform for precast steel bars of large jacking pipe sections in underground excavation projects, including a platform, uprights, and pins; the uprights are arranged in pairs, with at least one set, and each set of uprights is vertically mounted on the platform. The pins are detachably connected to the uprights, and both ends of the pins extend beyond the uprights. There are multiple pins, which are parallel to the platform. The multiple pins on the two corresponding uprights in each set are parallel to each other. The portions of the multiple pins extending to the same side of the two corresponding sets of uprights form a bearing platform for binding steel bars.
[0004] Preferably, the pedestal is a rectangular ring pedestal, and each side of the rectangular ring is provided with a set of the uprights. For each set of the uprights, the pins connected to them are arranged in parallel with each other, and the pins extend to the outer part of the same side of the two sets of uprights to form a bearing platform for binding steel bars.
[0005] Preferably, the pedestal is composed of four steel pads connected end to end, each of which has a preset length, forming a rectangular ring-shaped pedestal.
[0006] Preferably, the support frame includes uprights and steel pipes. There are two uprights, which are arranged parallel and vertically on the pedestal. There are multiple steel pipes, and each steel pipe is vertically connected to one of the uprights at both ends. The steel pipes are hollow steel pipes, and their hollow structure extends to the uprights. The uprights are provided with positioning holes corresponding to the hollow structure of the steel pipes, forming a positioning hole structure in which the positioning hole, steel pipe, and positioning hole are integrated. The pin can be inserted into the positioning hole structure.
[0007] Preferably, the steel pipes on the two uprights in each group are arranged in parallel.
[0008] Preferably, the four steel pad boxes are connected together by welding at the corresponding connecting positions.
[0009] Preferably, the same number of steel pipes are arranged on each set of corresponding arranged stands, and the heights of the steel pipes at the corresponding positions on each stand are consistent.
[0010] Preferably, the stand rod is an I-shaped steel stand rod.
[0011] The large top pipe joint prefabricated steel fast positioning and binding platform for underground excavation engineering has the following advantages: the stand is reserved on the pedestal, and the positioning hole structure formed by the three in one penetration of the stand, the steel pipe and the positioning hole can flexibly adjust the spacing of the steel bars according to the design requirements; the steel pipe is welded and fixed on the I-shaped steel stand rod according to the design requirement of the steel bar spacing, then the positioning pin is inserted into the positioning hole structure, the multiple pins on each set of stands can form a binding bearing platform, the steel bars are directly placed on the pins of the pedestal for binding and connection with the assistance of manual operation, the binding platform can greatly improve the efficiency of steel binding and the accuracy of steel spacing control, and also greatly improves the safety of steel binding operation. BRIEF DESCRIPTION OF DRAWINGS
[0012] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments with reference made to the accompanying drawings. The drawings are for purposes of illustration only and are not intended to limit the present application thereto. The same reference numerals in different drawings denote the same or similar components. In the drawings:
[0013] Figure 1 A structure schematic view of the large top pipe joint prefabricated steel fast positioning and binding platform provided by the utility model embodiment;
[0014] In the figure, 1, pedestal, 2, stand, 3, pin;
[0015] 21, stand rod, 22, steel pipe. DETAILED DESCRIPTION
[0016] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be accurately conveyed to those skilled in the art. It should be noted that the embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0017] Referring to Figure 1As shown in the figure, this is a rapid positioning and binding platform for precast steel bars of large jacking pipe sections in a tunneling project provided by an embodiment of the present invention. It includes a platform 1, a frame 2, and pins 3. The frames 2 are arranged in pairs, with at least one set. Each set of frames 2 is vertically mounted on the platform 1. The pins 3 are detachably connected to the frames 2, and both ends of the pins 3 extend beyond the frames 2. There are multiple pins 3, which are parallel to the platform 1. The multiple pins 3 on the two corresponding sets of frames 2 are parallel to each other. The portions of the multiple pins 3 extending to the same side of the two corresponding sets of frames 2 form a bearing platform for binding steel bars.
[0018] Continue to refer to Figure 1 As shown, the pedestal 1 is a rectangular ring pedestal, and each side of the rectangular ring is provided with a set of the uprights 2, that is, two corresponding uprights 2. The pins 3 connected to each set of the uprights 2 are arranged in parallel with each other, and the portions of the pins 3 extending to the outside of the two corresponding sets of the uprights 2 on the same side form a bearing platform for binding steel bars.
[0019] In this embodiment, the pedestal 1 is composed of four steel pad boxes connected end to end. Each steel pad box has a preset length and can form a rectangular ring-shaped pedestal 1. The four steel pad boxes are connected together by welding at their respective connection positions.
[0020] Continue to refer to Figure 1 As shown, the support frame 2 includes uprights 21 and steel pipes 22. Two uprights 21 are arranged parallel and vertically on the base 1. Multiple steel pipes 22 are included, with each steel pipe's two ends vertically connected to an upright 21. Each steel pipe 22 is a hollow steel pipe, with its hollow structure extending to the upright 21. Positioning holes are provided on the upright 21 corresponding to the hollow structure of the steel pipe, forming a positioning hole structure where the positioning hole, steel pipe, and positioning hole are integrated. The pins 3 can be inserted into the positioning hole structure. The four pins 3 on the two corresponding uprights 2 of each set of supports 2 can form a rebar binding support platform. (Refer to...) Figure 1 As shown, each set of uprights can form a steel reinforcement binding support platform on both the inner and outer sides.
[0021] In this embodiment, the two uprights 2 in each group are arranged in parallel with the multiple steel pipes 22 on them.
[0022] In this embodiment, the same number of steel pipes are provided on the two corresponding uprights in each group, and the height of the steel pipes at the corresponding positions on each upright is consistent, which facilitates the formation of a steel bar binding support platform.
[0023] In the embodiment, the vertical rod is an I-shaped steel vertical rod.
[0024] The large top pipe joint prefabricated reinforcing steel fast positioning and binding platform for underground excavation engineering has the following advantages: the stand is reserved on the pedestal, and the positioning hole structure formed by the three of the stand, the steel pipe and the positioning hole is integrally and penetratively arranged, the spacing of the reinforcing steel can be flexibly adjusted according to the design requirement; the steel pipe is welded and fixed on the I-shaped steel vertical rod according to the design requirement of the reinforcing steel spacing, then the positioning bolt is inserted into the positioning hole structure, the plurality of bolts on each stand can form a binding bearing platform, the reinforcing steel is directly placed on the bolt of the pedestal for binding and connection by manual assistance, the binding platform can greatly improve the efficiency of reinforcing steel binding and the precision of reinforcing steel spacing control, and the safety of reinforcing steel binding operation is also greatly improved.
[0025] It should be noted that, in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or position relationship terms based on the direction or position relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0026] In addition, it should also be noted that, in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication between the two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0027] Obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and changes of the utility model belong to the scope of the claims of the utility model and the equivalent technology thereof, the utility model also intends to include these modifications and changes.
Claims
1. A large-scale jacking pipe joint prefabricated steel fast positioning and binding platform for underground excavation engineering, characterized in that, The stand includes a pedestal, a stand and a bolt; the stand is arranged in pairs, at least one pair is arranged, and each pair of the stand is vertically arranged on the pedestal; the bolt is detachably connected to the stand, and both ends of the bolt extend out of the stand; the bolt includes a plurality of bolts, and the bolts are arranged in parallel with the pedestal; the plurality of bolts arranged on each pair of the stand are arranged in parallel with each other; and the plurality of bolts arranged on the same side of the stand form a bearing platform for binding steel bars.
2. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 1, characterized in that, The pedestal is a rectangular ring-shaped pedestal, and each side of the rectangular ring is provided with a group of the stand; the bolts connected to each group of the stand are arranged in parallel with each other; and the plurality of bolts arranged on the same side of the stand form a bearing platform for binding steel bars.
3. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 2, characterized in that, The pedestal is composed of four steel cushion boxes connected end to end, each of which has a predetermined length to form a rectangular ring-shaped pedestal.
4. The prefabricated reinforced fast positioning and binding platform for large pipe section of tunneling engineering according to any one of claims 1-3, characterized in that, The stand includes a stand and a steel pipe; the stand includes two parallel vertical stands arranged on the pedestal; the steel pipe includes a plurality of steel pipes; both ends of each steel pipe are vertically connected to one of the stands; the steel pipe is a hollow steel pipe, and the hollow structure extends to the stand; the stand is provided with a positioning hole corresponding to the hollow structure of the steel pipe, forming a positioning hole-steel pipe-positioning hole three-in-one positioning hole structure; and the bolt can be arranged in the positioning hole structure.
5. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 4, characterized in that, The steel pipes arranged on each pair of the stand are arranged in parallel with each other.
6. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 3, characterized in that, The four steel cushion boxes are connected together by welding.
7. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 4, characterized in that, Each pair of the stand is provided with the same number of steel pipes, and the heights of the steel pipes at corresponding positions on each stand are consistent.
8. The large pipe section prefabricated reinforcing steel fast positioning and binding platform for the underground engineering according to claim 4, characterized in that, The stand is an I-shaped steel stand.