Three-dimensional space point positioning device for steel anchor beam installation

Abstract

The utility model provides a three-dimensional space point positioning device for steel anchor beam installation, which relates to the technical field of cable-stayed bridge steel anchor beam installation and positioning and comprises a circular positioning disc, a cross-shaped connecting frame is fixedly connected to the middle of the circular positioning disc, an inserting hole is formed in the middle point of the cross-shaped connecting frame, and the cross-shaped connecting frame is fixedly connected with the circular positioning disc. A fixing nut is fixedly connected to the top of the circular positioning disc, a threaded hole is formed in the middle of the fixing nut, a positioning structure is arranged in the threaded hole and comprises a spiral lead screw and a matched nut, the spiral lead screw is meshed with the interior of the threaded hole, and the matched nut is further arranged on the outer side of the spiral lead screw. The overall strength of the structure is guaranteed, meanwhile, the weight of a product is reduced, the center point of the positioning disc can be finely adjusted under the condition that the stability of the positioning disc is guaranteed, the positioning disc is more portable and rapid in the positioning process, measurement errors caused by manual prism erecting are reduced, and the mechanical cost and the labor cost in the steel anchor beam positioning process are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of installation and positioning of steel anchor beams of cable-stayed bridges, and more specifically relates to a three-dimensional space point positioning device for installation of steel anchor beams. Background Art

[0002] The steel anchor beam is the main load-bearing component in the anchor cable area of ​​the main tower of a cable-stayed bridge. Its design aims to effectively balance the horizontal force component of the cable-stayed cable and ensure the stability and safety of the bridge structure. By using finite element calculation software to calculate various working conditions and support system schemes, the effective stress of the steel anchor beam under different stress states can be analyzed, thereby optimizing the design and ensuring the reliability and durability of the structure. Special attention should be paid to the installation and construction of the steel anchor beam. When using a tower crane or other lifting equipment for lifting, it should be ensured that the lifting capacity meets the lifting requirements to ensure construction safety.

[0003] Based on the above, most of the existing positioning devices determine the position of the anchor point by welding steel bars on the anchor plate and then measuring it with a ruler. However, this method cannot guarantee the accuracy of the three-dimensional spatial point of the anchor point of the anchor plate of the steel anchor beam. In addition, welding will cause the anchor plate to have temperature secondary stress deformation, affecting the accuracy and wasting labor costs for subsequent grinding of the weld point. Utility Model Content

[0004] In order to solve the above technical problems, the embodiments of the present invention relate to a three-dimensional space point positioning device for the installation of steel anchor beams, so as to solve the problem that the original positioning method cannot guarantee the accuracy of the three-dimensional space point of the anchor point of the anchor plate position of the steel anchor beam and there are complex processes in the later stage. Through the setting of the circular positioning plate and the cross connecting frame, the structural strength is guaranteed and the weight of the product is reduced. Through the setting of the insertion hole and the prism to force the centering rod, the measurement error caused by manual pole erection is reduced, and the accuracy of the positioning point is guaranteed. Through the cooperation of the fixing nut and the positioning structure, the center point of the positioning plate can be finely adjusted while ensuring the stability of the positioning plate, making it easier and faster to position the three-dimensional space point of the steel anchor beam, reducing the measurement error caused by manual prism erection, and reducing the mechanical and labor costs when positioning the steel anchor beam.

[0005] The utility model provides a three-dimensional space point positioning device for steel anchor beam installation, which is achieved by the following specific technical means:

[0006] In a first aspect of the present disclosure, there is provided a three-dimensional spatial point positioning device for installing a steel anchor beam, specifically comprising a circular positioning plate;

[0007] A cross connecting frame is fixedly connected to the middle of the circular positioning plate, an insertion hole is opened at the midpoint of the cross connecting frame, a fixing nut is fixedly connected to the top of the circular positioning plate, a threaded hole is provided in the middle of the fixing nut, a positioning structure is provided inside the threaded hole, the positioning structure includes a spiral screw and a matching nut, the spiral screw is meshed inside the threaded hole, and a matching nut is also provided on the outside of the spiral screw.

[0008] In at least some embodiments, one end of the spiral screw is fixedly connected to a reducing connecting rod, and the end of the reducing connecting rod is fixedly connected to a positioning arc plate.

[0009] In at least some embodiments, a prism forced centering rod is inserted into the insertion hole.

[0010] In at least some embodiments, the prism forces the outer sidewall of the centering rod to conform to the inner sidewall of the positioning arc plate.

[0011] In at least some embodiments, the circular positioning plate is annular, and has a thickness of 5 mm.

[0012] In at least some embodiments, the fixing nuts are provided in four groups, and the fixing nuts are arranged at four sides of the circular positioning plate, and the central axis of the fixing nuts is perpendicular to the central axis of the circular positioning plate.

[0013] The utility model provides a three-dimensional space point positioning device for steel anchor beam installation, which has the following beneficial effects:

[0014] 1. The setting of the circular positioning plate and the cross connecting frame ensures both structural strength and product weight. The setting of the insertion hole and the prism forced centering rod reduces the measurement error caused by manual pole erection and ensures the accuracy of the positioning point. The coordination of the fixing nut and the positioning structure ensures that the center point of the positioning plate can be finely adjusted while ensuring the stability of the positioning plate, making it easier and faster to locate the three-dimensional space point of the steel anchor beam, reducing the measurement error caused by manual prism erection, and reducing the mechanical and labor costs when positioning the steel anchor beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] Figure 2 It is a schematic structural diagram of a circular positioning plate and a fixing nut of the utility model.

[0017] Figure 3 It is a schematic diagram of the positioning structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the top structure of the utility model.

[0019] Figure 5 This is a schematic diagram of the structure of the utility model after the prism forced centering rod is fixed.

[0020] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0021] 1. Round positioning plate;

[0022] 101. Cross connecting frame; 1011. Insertion hole;

[0023] 102, fixing nut; 1021, threaded hole;

[0024] 2. Positioning structure;

[0025] 201, screw rod; 2011, matching nut; 2012, reducing connecting rod; 2013, positioning arc plate;

[0026] 3. Prism forced centering rod. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] Example 1: As shown in the attached Figure 1 To the attached Figure 5 As shown:

[0029] The utility model provides a three-dimensional space point positioning device for installing a steel anchor beam, comprising a circular positioning plate 1;

[0030] The middle of the circular positioning plate 1 is fixedly connected to a cross connecting frame 101, and an insertion hole 1011 is opened at the midpoint of the cross connecting frame 101. The top of the circular positioning plate 1 is fixedly connected to a fixing nut 102, and a threaded hole 1021 is provided in the middle of the fixing nut 102. A positioning structure 2 is provided inside the threaded hole 1021. The positioning structure 2 includes a screw rod 201 and a matching nut 2011. The screw rod 201 is engaged with the screw rod 201 inside the threaded hole 1021. The outer side of the screw rod 201 is also provided with a matching nut 2011, one end of the screw rod 201 is fixedly connected to a reducing connecting rod 2012, the end of the reducing connecting rod 2012 is fixedly connected to a positioning arc plate 2013, the interior of the insertion hole 1011 is inserted with a prism forced centering rod 3, the outer side wall of the prism forced centering rod 3 is fitted with the inner side wall of the positioning arc plate 2013, the circular positioning disk 1 is annular, and the thickness of the circular positioning disk 1 is 5mm, and the fixing nut 102 is divided into There are four groups, and the fixing nuts 102 are arranged at the four sides of the circular positioning disk 1. At the same time, the central axis of the fixing nuts 102 is perpendicular to the central axis of the circular positioning disk 1. The arrangement of the circular positioning disk 1 and the cross connecting frame 101 ensures both structural strength and product weight. The arrangement of the insertion hole 1011 and the prism forced centering rod 3 reduces the measurement error caused by manual pole erection, and ensures the accuracy of the positioning point. By rotating the matching nut 2011, the screw rod 201 is driven to engage and move in the threaded hole 1021 of the fixing nut 102. Because the positioning arc plate 2013 is connected through the reducing connecting rod 2012 through the rotating shaft, because the screw rod 201 does not drive the positioning arc plate 2013 to rotate when it rotates, the screw rod 201 drives the positioning arc plate 2013 to clamp and fix the prism forced centering rod 3, ensuring that the positioning disk is stable and the prism forced centering rod 3 of the positioning disk can be finely adjusted.

[0031] The specific usage and function of this embodiment are as follows:

[0032] In the present invention, first, the prism forced centering rod 3 is installed into the insertion hole 1011, and then the matching nut 2011 is rotated to drive the screw rod 201 to engage and move in the threaded hole 1021 of the fixing nut 102, and then the screw rod 201 drives the positioning arc plate 2013 to clamp and fix the prism forced centering rod 3. While ensuring the stability of the positioning plate, the prism forced centering rod 3 of the positioning plate can also be finely adjusted to ensure the accuracy of the positioning point, making it easier and faster to locate the three-dimensional spatial point of the steel anchor beam, reducing the measurement error caused by manually setting up the prism, and reducing the mechanical and labor costs when positioning the steel anchor beam.

Claims

1. A three-dimensional spatial point positioning device for installing a steel anchor beam, comprising a circular positioning plate (1); A cross connecting frame (101) is fixedly connected to the middle of the circular positioning plate (1), and an insertion hole (1011) is provided at the midpoint of the cross connecting frame (101), which is characterized in that: A fixing nut (102) is fixedly connected to the top of the circular positioning disk (1), a threaded hole (1021) is provided in the middle of the fixing nut (102), a positioning structure (2) is provided inside the threaded hole (1021), and the positioning structure (2) comprises a screw rod (201) and a matching nut (2011), the screw rod (201) is meshed inside the threaded hole (1021), and a matching nut (2011) is further provided on the outside of the screw rod (201).

2. A three-dimensional point positioning device for steel anchor beam installation according to claim 1, characterized in that: One end of the spiral screw rod (201) is fixedly connected to a diameter-reducing connecting rod (2012), and the end of the diameter-reducing connecting rod (2012) is fixedly connected to a positioning arc plate (2013).

3. The three-dimensional point positioning device for steel anchor beam installation according to claim 1, characterized in that: A prism forced centering rod (3) is inserted into the insertion hole (1011).

4. A three-dimensional point positioning device for steel anchor beam installation according to claim 3, characterized in that: The prism forces the outer side wall of the centering rod (3) to fit with the inner side wall of the positioning arc plate (2013).

5. The three-dimensional point positioning device for steel anchor beam installation according to claim 1, characterized in that: The circular positioning disk (1) is annular, and the thickness of the circular positioning disk (1) is 5 mm.

6. The three-dimensional point positioning device for steel anchor beam installation according to claim 1, characterized in that: The fixing nuts (102) are provided in four groups, and the fixing nuts (102) are arranged at the four sides of the circular positioning plate (1), and the central axis of the fixing nuts (102) and the central axis of the circular positioning plate (1) are perpendicular to each other.

Images