Precision positioning tooling for anchoring high-strength cantilever continuous beams with hanging baskets and precision-rolled threaded steel bars.
By using a precision-rolled threaded steel positioning fixture with angle steel components and limit components in the cantilever construction of high-speed railways, the problem of large positioning accuracy error in cantilever construction was solved, achieving precise installation and improving the stability and safety of construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE SECOND ENG CO LTD OF CTCE GRP
- Filing Date
- 2025-07-02
- Publication Date
- 2026-07-31
AI Technical Summary
In existing technologies, the positioning accuracy error of cantilever construction in high-speed railway cantilever construction is large, which may cause the hanging basket to shift, deform or overturn, affecting construction quality and safety. The main method is to rely on manual marking to install precision-rolled threaded steel bars.
A precision-rolled threaded steel positioning fixture, including angle steel components and limit components, is adopted. The precision-rolled threaded steel is pre-embedded in the continuous beam and fixed by angle steel and nuts. Combined with the side and top positioning steel plates, precise positioning is achieved, avoiding errors from manual measurement and ensuring installation accuracy.
It enables rapid and accurate installation of precision-rolled threaded steel bars, reduces installation errors, improves the stability and safety of cantilever construction, and ensures the positioning accuracy of the hanging basket.
Smart Images

Figure CN224578629U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of auxiliary tooling, and in particular to a precision positioning tooling for anchoring finely rolled threaded steel bars in the hanging basket of a cantilever continuous beam for high-speed railways. Background Technology
[0002] High-speed railway, or HSR for short, refers to a railway system with high design standards that allows trains to run safely at high speeds. It generally uses high-speed railway bridges. When high-speed railways need to cross major roads or rivers during construction, the cantilever casting method is generally used. The hanging basket is the main component of cantilever construction, and the stability, reliability, and positioning accuracy of cantilever construction directly affect the construction quality and safety.
[0003] Among them, the precision-rolled threaded steel bar is an important member of the hanging basket construction. Its positioning accuracy directly affects the stability of the hanging basket. If the positioning is inaccurate, it may cause the hanging basket to shift, deform or even overturn, affecting the construction quality and safety. The existing method is to install it in the appropriate position by manually marking it. This method is too simple and the positioning error is also large, which may lead to problems such as the hanging basket shifting or deforming.
[0004] This provides a precision positioning tooling for anchoring finely rolled threaded steel bars for cantilever continuous beams in high-speed railways. Utility Model Content
[0005] In view of the problems existing in the prior art, the present invention is proposed.
[0006] Therefore, the technical problem that this utility model aims to solve is the existing method of installation that mainly relies on manual labor.
[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a precision positioning fixture for anchoring high-strength cantilever continuous beams with finely rolled threaded steel bars, comprising a continuous beam body, and further comprising:
[0008] An angle steel assembly includes a first angle steel piece, a second angle steel piece, a precision-rolled threaded steel bar, and a nut. The precision-rolled threaded steel bar is provided in four sets, one end of which is pre-embedded in the continuous beam body. The first angle steel piece is fitted onto the precision-rolled threaded steel bar, and the nut is fixed onto the precision-rolled threaded steel bar by threads. The second angle steel piece is fitted onto the precision-rolled threaded steel bar.
[0009] The limiting assembly includes a side positioning steel plate, positioning bolts, and a top positioning steel plate. The top positioning steel plate is installed on one side of the second angle steel member. The two ends of the top positioning steel plate are welded with side positioning steel plates. The top positioning steel plate is fixed to the second angle steel member by positioning bolts. The end of the side positioning steel plate away from the second angle steel member is welded to the upper and lower side walls of the first angle steel member.
[0010] As a preferred embodiment of the high-speed railway cantilever continuous beam hanging basket anchoring precision rolled threaded steel precise positioning tooling described in this utility model, wherein: the first angle steel piece and the second angle steel piece are symmetrically installed on the precision rolled threaded steel.
[0011] As a preferred embodiment of the high-speed railway cantilever continuous beam hanging basket anchoring precision rolled threaded steel positioning tool described in this utility model, wherein: the nut is installed between the first angle steel piece and the second angle steel piece on the side close to the continuous beam body.
[0012] As a preferred embodiment of the high-speed railway cantilever continuous beam hanging basket anchoring precision rolled threaded steel precise positioning tooling described in this utility model, wherein: the nut is a precision rolled nut.
[0013] As a preferred embodiment of the high-speed railway cantilever continuous beam hanging basket anchoring precision rolled threaded steel precise positioning tooling described in this utility model, wherein: the first angle steel part and the second angle steel part are angle steel butt welded together, and the first angle steel part and the second angle steel part are respectively provided with through holes for use in conjunction with precision rolled threaded steel and positioning bolts.
[0014] The beneficial effects of this utility model are as follows: the pre-fabricated angle steel components can quickly and effectively position the holes between the precision rolled threaded steel bars, avoiding errors caused by manual measurement and installation. The pre-fabricated positions of the two sets of angle steel parts limit the precision rolled threaded steel bars, preventing the precision rolled threaded steel bars from tilting during installation. The design of the number of nut fixing turns ensures that each installed precision rolled threaded steel bar has the same length, which can standardize the installation of multiple precision rolled threaded steel bars and facilitate the installation of subsequent equipment. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0016] Figure 1 This is a schematic diagram of the device installation structure according to one embodiment of the present invention;
[0017] Figure 2 This is a schematic diagram of the specific structure of the fixing component according to one embodiment of the present invention;
[0018] Figure 3 This is a schematic cross-sectional view of the limiting component according to one embodiment of the present invention.
[0019] In the figure: 100, continuous beam; 200, angle steel assembly; 201, first angle steel piece; 202, second angle steel piece; 203, precision rolled threaded steel; 204, nut; 300, limiting assembly; 301, side positioning steel plate; 302, positioning bolt; 303, top positioning steel plate. Detailed Implementation
[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0022] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.
[0023] Furthermore, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. Example
[0024] Reference Figure 1-3 This embodiment provides a precision positioning fixture for anchoring rolled threaded steel bars in a hanging basket for a cantilever continuous beam in high-speed railway, including a continuous beam body 100, and also including:
[0025] Angle steel assembly 200 includes a first angle steel member 201, a second angle steel member 202, a precision-rolled threaded steel bar 203, and a nut 204. The precision-rolled threaded steel bar 203 is provided in four sets, one end of which is pre-embedded in the continuous beam 100. The first angle steel member 201 is fitted onto the precision-rolled threaded steel bar 203. The nut 204 is fixed onto the precision-rolled threaded steel bar 203 by threads. The second angle steel member 202 is fitted onto the precision-rolled threaded steel bar 203. The first angle steel member 201 and the second angle steel member 202 are symmetrically installed on the precision-rolled threaded steel bar 203. The nut 204 is installed on the side of the continuous beam 100 between the first angle steel member 201 and the second angle steel member 202. The surface of the precision-rolled threaded steel bar is provided with threads that cooperate with the nut 204. The nut 204 is a precision-rolled nut. The first angle steel member 201 and the second angle steel member 202 are butt-welded angle steels to form a frame-shaped cross section.
[0026] The limiting component 300 includes a side positioning steel plate 301, a positioning bolt 302, and a top positioning steel plate 303. The top positioning steel plate 303 is installed on one side of the second angle steel member 202. The side positioning steel plates 301 are welded to both ends of the top positioning steel plate 303. The side positioning steel plates 301 and the top positioning steel plate 303 are set perpendicularly to each other at 90°. The top positioning steel plate 303 is fixed to the second angle steel member 202 by the positioning bolt 302. The first angle steel member 201 and the second angle steel member 202 are respectively provided with through holes for use with the precision rolled threaded steel bar 203 and the positioning bolt 302. The side positioning steel plate 301 is welded to the upper and lower side walls of the first angle steel member 201 at the end away from the second angle steel member 202.
[0027] This embodiment has the following workflow: In use, firstly, insert the threaded steel bar 203 into each of the holes in the first angle steel member 201, with the grooved surface of the first angle steel member 201 facing away from the continuous beam 100. Then, install the nut 204 from one end of the threaded steel bar 203 located in the groove of the first angle steel member 201, ensuring that each nut 204 rotates the same number of times to ensure that the reserved length of the threaded steel bar 203 is the same. Next, install the side positioning steel plate 301 and the top positioning steel plate 303 onto the second angle steel member 202. After installation, align the second angle steel member 202 with the threaded steel bar 203 for installation, so that the two sets of side positioning steel plates 301 on the second angle steel member 202 can just lock the first angle steel member 202. On both sides of 01, the side positioning steel plate 301 is welded to the outside of the second angle steel member 202. At this time, the second angle steel member 202 and other components are fixed to the outside of the casting template of the continuous beam 100. After the continuous beam 100 is cast, the fine-rolled threaded steel 203 can be pushed so that the nut 204 on the fine-rolled threaded steel 203 is tightly fitted with the first angle steel member 201. After the beam solidifies, the nut 204 can be rotated to loosen the first angle steel member 201 and fix the first angle steel member 201 to the second angle steel member 202. When the nut 204 continues to rotate, it is removed from the fine-rolled threaded steel 203. At the same time, the second angle steel member 202 and the first angle steel member 201 can also be removed, completing the installation of the fine-rolled threaded steel 203 on the continuous beam 100.
[0028] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0029] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to the implementation of the present invention) may be omitted.
[0030] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0031] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A high-speed railway cantilever continuous beam hanging basket anchoring precision rolled thread steel precise positioning tool, comprising a continuous beam body (100), characterized in that, Also includes: An angle steel assembly (200) includes a first angle steel piece (201), a second angle steel piece (202), a precision-rolled threaded steel bar (203), and a nut (204). The precision-rolled threaded steel bar (203) is provided in four sets, one end of which is pre-embedded in the continuous beam body (100). The first angle steel piece (201) is fitted on the precision-rolled threaded steel bar (203). The nut (204) is fixed on the precision-rolled threaded steel bar (203) by threads. The second angle steel piece (202) is fitted on the precision-rolled threaded steel bar (203). The limiting component (300) includes a side positioning steel plate (301), a positioning bolt (302), and a top positioning steel plate (303). The top positioning steel plate (303) is installed on one side of the second angle steel member (202). The top positioning steel plate (303) has side positioning steel plates (301) welded to both ends. The top positioning steel plate (303) is fixed to the second angle steel member (202) by the positioning bolt (302). The side positioning steel plate (301) is welded to the upper and lower side walls of the first angle steel member (201) at the end away from the second angle steel member (202).
2. The precision positioning fixture for anchoring finely rolled threaded steel bars in the hanging basket of a high-speed railway cantilever continuous beam according to claim 1, characterized in that: The first angle steel piece (201) and the second angle steel piece (202) are symmetrically installed on the fine-rolled threaded steel (203).
3. The high-speed railway cantilever continuous beam trolley anchoring precision rolled thread steel precise positioning tooling according to claim 2, characterized in that: The nut (204) is installed between the first angle steel member (201) and the second angle steel member (202) on one side close to the continuous beam (100).
4. The precision positioning fixture for anchoring finely rolled threaded steel bars in the hanging basket of a high-speed railway cantilever continuous beam according to claim 1, characterized in that: The nut (204) is a precision-rolled nut.
5. The precision positioning fixture for anchoring rolled threaded steel bars in the hanging basket of a high-speed railway cantilever continuous beam according to claim 4, characterized in that: The first angle steel member (201) and the second angle steel member (202) are butt welded angle steels. The first angle steel member (201) and the second angle steel member (202) are respectively provided with through holes for use with precision rolled threaded steel (203) and positioning bolts (302).