Square culvert steel bar spacing positioning auxiliary device

By designing a rebar spacing positioning auxiliary device that includes a mounting frame, mounting sleeve, positioning ruler and fixing mechanism, the problem of low efficiency caused by the need for workers to hold the rebar for a long time in the existing technology is solved, and the automatic positioning and precise adjustment of rebar spacing is realized.

CN224238672UActive Publication Date: 2026-05-15SHANDONG KUNLONG NEW BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG KUNLONG NEW BUILDING MATERIALS CO LTD
Filing Date
2025-06-16
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The existing auxiliary device for positioning the spacing of steel bars in culverts requires workers to lift it for use, which leads to reduced work efficiency over long periods of time.

Method used

A device comprising a mounting bracket, mounting sleeve, positioning ruler, sleeve, threaded rod, positioning pin, and fixing mechanism was designed. The device achieves automatic positioning of the reinforcing bar through cylindrical insertion and spring sliding, avoiding the need for manual lifting for extended periods.

Benefits of technology

It enables automatic positioning of rebar spacing, improves work efficiency, reduces human error, and facilitates the adjustment of spacing position.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of constructional engineering, and discloses a square culvert steel bar spacing positioning auxiliary device which comprises a mounting frame, mounting sleeves are symmetrically mounted on the inner surface of the mounting frame, limiting plates are fixedly mounted on the inner walls of the mounting sleeves, a positioning ruler is fixedly mounted at one ends of the two mounting sleeves, and a plurality of sleeves are connected to the outer surface of the positioning ruler in a sleeved mode. The upper surface of each sleeve is in threaded connection with a threaded rod, the top end of each threaded rod is fixedly provided with a rotary button, and the lower surface of each sleeve is fixedly provided with a positioning needle, and is characterized in that the outer surface of the mounting frame is provided with a fixing mechanism, the fixing end of the fixing mechanism is arranged inside the mounting sleeve, and the outer surface of the positioning ruler is provided with scales. Through the arrangement of the fixing mechanism, the spacing positioning assisting effect is achieved, and the situation that in the prior art, when spacing positioning is conducted on square culvert reinforcing steel bars, a worker needs to lift a spacing positioning assisting device, long-time work is inconvenient, and then work efficiency is reduced is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically to an auxiliary device for positioning the spacing of reinforcing bars in a culvert. Background Technology

[0002] In building construction, the foundation framework is mostly constructed with steel bars. Therefore, welding these steel bars is a crucial step in the construction process. Strict control over the spacing between the steel bars is necessary during welding to avoid significantly impacting the building's quality.

[0003] Utility model disclosure number "CN210217191U" discloses a rebar spacing positioning device. The device comprises a first positioning ruler body, which is a hollow rectangular parallelepiped; multiple sleeves with the same cross-sectional shape as the first positioning ruler body; each sleeve is fitted onto the outer surface of the first positioning ruler body, and each sleeve has a fixing hole on its graduated side. A positioning pin is located on the side of the sleeve opposite to the fixing hole; and a fixing device passes through the fixing hole and the positioning hole. This utility model uses sleeves and positioning pins to achieve accurate positioning of rebar spacing. During the positioning process, there is no need to manually pull the positioning ruler, greatly reducing errors caused by human operation. The positioning device has a simple structure, is easy to control, and is convenient to operate during use, exhibiting excellent practical performance and promising application prospects.

[0004] The aforementioned document discloses an auxiliary device for positioning the spacing of reinforcing bars in a culvert. When positioning the spacing of reinforcing bars in a culvert, workers need to carry the positioning auxiliary device, which is inconvenient for long-term work and leads to a decrease in work efficiency.

[0005] Therefore, it can be seen that the existing auxiliary device for positioning the spacing of culvert rebars does not have a supporting structure for the auxiliary device, and it is necessary to improve the existing shortcomings and provide a new auxiliary device for positioning the spacing of culvert rebars. Utility Model Content

[0006] The purpose of this utility model is to provide an auxiliary device for positioning the spacing of reinforcing bars in culverts, which solves the problem that traditional auxiliary devices for positioning the spacing of reinforcing bars in culverts require workers to carry the device, which is inconvenient for long periods of work and thus leads to reduced work efficiency.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model relates to an auxiliary device for positioning the spacing of reinforcing bars in a culvert. It includes a mounting frame, on which mounting sleeves are symmetrically mounted. Each mounting sleeve has a limiting plate fixedly mounted on its inner wall. A positioning ruler is fixedly mounted at one end of each of the two sets of mounting sleeves. Several sleeves are fitted onto the outer surface of the positioning ruler. Each sleeve has a threaded rod threaded onto its upper surface, and a knob is fixedly mounted at the top of each threaded rod. A positioning pin is fixedly mounted on the lower surface of each sleeve. A fixing mechanism is provided on the outer surface of the mounting frame, with its fixing end located inside the mounting sleeve. The positioning ruler has graduations on its outer surface.

[0009] Furthermore, the fixing mechanism includes a cylinder, the outer surface of the mounting frame is fixedly mounted with the cylinder, the cylinder and the mounting sleeve are inserted into each other, and a fixing plate is fixedly mounted inside the cylinder.

[0010] Furthermore, a mounting base is fixedly installed on the upper surface of the fixing plate, and a connecting rod is fixedly installed on the upper surface of the mounting base.

[0011] Furthermore, a fixing rod is fixedly installed on the upper surface of the connecting rod, the fixing rod is slidably connected to the cylinder, and a spring is sleeved on the outer surface of the fixing rod.

[0012] Furthermore, a pressure plate is fixedly installed on the upper surface of the fixing rod.

[0013] Furthermore, a rectangular groove is formed on the outer surface of the cylinder, and a fixed sphere is provided inside the rectangular groove. One end of the fixed sphere abuts against the limiting plate, and the other end of the fixed sphere is connected to the inside of the cylinder.

[0014] This utility model has the following beneficial effects:

[0015] (1) This utility model inserts a cylindrical tube into the mounting sleeve. By pressing the pressure plate, the fixing rod slides inside the cylindrical tube. The sliding of the fixing rod drives the fixing plate, mounting seat and connecting rod into the bottom of the mounting sleeve, so that the fixing ball can be fixed under the limit of the limiting plate. Then, the square culvert steel bars that need to be spaced can be placed under the positioning pin for positioning, thereby achieving the effect of auxiliary spacing positioning. This avoids the situation in the prior art where workers need to lift the spacing positioning auxiliary device when positioning the square culvert steel bars, which is inconvenient for long-term work and thus reduces work efficiency.

[0016] (2) By setting the scale, this utility model makes it convenient for staff to check when adjusting the size of the spacing position.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying 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.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0021] Figure 3 This is a cross-sectional schematic diagram of the fixing mechanism structure of this utility model;

[0022] Figure 4 This is a schematic diagram of part of the structure of this utility model;

[0023] The attached diagram lists the components represented by each number as follows:

[0024] In the diagram: 1. Mounting bracket; 2. Mounting sleeve; 3. Limiting plate; 4. Positioning ruler; 5. Scale; 6. Sleeve; 7. Threaded rod; 8. Knob; 9. Positioning pin; 10. Fixing mechanism; 1001. Cylinder; 1002. Fixing plate; 1003. Mounting base; 1004. Connecting rod; 1005. Fixing rod; 1006. Spring; 1007. Pressure plate; 1008. Rectangular groove; 1009. Fixing sphere. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0026] Please see Figures 1-4 As shown, this utility model is an auxiliary device for positioning the spacing of reinforcing bars in a culvert. It includes a mounting frame 1, with mounting sleeves 2 symmetrically installed on the inner surface of the mounting frame 1. Limiting plates 3 are fixedly installed on the inner walls of the mounting sleeves 2. A positioning ruler 4 is fixedly installed at one end of each of the two sets of mounting sleeves 2. Several sleeves 6 are sleeved on the outer surface of the positioning ruler 4. Threaded rods 7 are threadedly connected to the upper surface of each sleeve 6. A knob 8 is fixedly installed at the top of each threaded rod 7. A positioning pin 9 is fixedly installed on the lower surface of each sleeve 6. A fixing mechanism 10 is provided on the outer surface of the mounting frame 1. The fixing end of the fixing mechanism 10 is located inside the mounting sleeve 2. The outer surface of the positioning ruler 4 is provided with a scale 5.

[0027] The fixing mechanism 10 includes a cylinder 1001. The cylinder 1001 is fixedly installed on the outer surface of the mounting bracket 1. The cylinder 1001 and the mounting sleeve 2 are inserted into each other. A fixing plate 1002 is fixedly installed inside the cylinder 1001.

[0028] A mounting base 1003 is fixedly installed on the upper surface of the fixing plate 1002, and a connecting rod 1004 is fixedly installed on the upper surface of the mounting base 1003.

[0029] A fixing rod 1005 is fixedly installed on the upper surface of the connecting rod 1004. The fixing rod 1005 and the cylinder 1001 are slidably connected. A spring 1006 is sleeved on the outer surface of the fixing rod 1005.

[0030] A pressure plate 1007 is fixedly installed on the upper surface of the fixing rod 1005;

[0031] A rectangular groove 1008 is provided on the outer surface of the cylinder 1001. A fixed ball 1009 is provided inside the rectangular groove 1008. One end of the fixed ball 1009 abuts against the limiting plate 3, and the other end of the fixed ball 1009 is connected to the inside of the cylinder 1001.

[0032] The cylinder 1001 is inserted into the mounting sleeve 2. By pressing the pressure plate 1007, the fixing rod 1005 slides inside the cylinder 1001. The sliding of the fixing rod 1005 drives the fixing plate 1002, the mounting base 1003 and the connecting rod 1004 into the bottom of the mounting sleeve 2, so that the fixing ball 1009 is fixed under the limit of the limiting plate 3. Then, the square culvert steel bars that need to be spaced are placed under the positioning pin 9 for positioning, thereby achieving the effect of auxiliary spacing positioning. This avoids the situation in the existing technology where workers need to lift the spacing positioning auxiliary device when positioning the square culvert steel bars, which is inconvenient for long-term work and thus reduces work efficiency.

[0033] When disassembly is required, the pull-back pressure plate 1007 uses the rebound force of the spring 1006 to move the fixing rod 1005 outward. The outward movement of the fixing rod 1005 will drive the fixing plate 1002, the mounting base 1003 and the connecting rod 1004 to move. When moving outward, the fixing ball 1009 provided in the rectangular groove 1008 will contact the limiting plate 3. The compression of the limiting plate 3 will cause the fixing ball 1009 to enter the fixing plate 1002 and contact the connecting rod 1004, thereby causing the fixing rod 1005 to disengage from the mounting sleeve 2. Then, the cylinder 1001 can be pulled out from the mounting sleeve 2 to complete the disassembly.

[0034] In use, first adjust the spacing according to the set size. Loosen the threaded rod 7 by turning the knob 8, then adjust the position of the sleeve 6 on the positioning ruler 4. Determine the spacing size by the scale 5 on the outer surface of the positioning ruler 4. When the spacing reaches the set size, insert the set spacing positioning auxiliary device into the mounting sleeve 2 through the cylinder 1001. Press the pressure plate 1007 to make the fixing rod 1005 slide inside the cylinder 1001. The sliding of the fixing rod 1005 drives the fixing plate 1002, the mounting seat 1003 and the connecting rod 1004 into the bottom of the mounting sleeve 2, so that the fixing ball 1009 is fixed under the limit of the limiting plate 3. Then, place the square culvert steel bar that needs to be positioned below the positioning pin 9 for positioning. This achieves the effect of auxiliary spacing positioning and avoids the situation in the existing technology where workers need to lift the spacing positioning auxiliary device when positioning the square culvert steel bar spacing, which is inconvenient for long-term work and leads to reduced work efficiency.

[0035] When disassembly is required, the pull-back pressure plate 1007 uses the rebound force of the spring 1006 to move the fixing rod 1005 outward. The outward movement of the fixing rod 1005 will drive the fixing plate 1002, the mounting base 1003 and the connecting rod 1004 to move. When moving outward, the fixing ball 1009 provided in the rectangular groove 1008 will contact the limiting plate 3. The compression of the limiting plate 3 will cause the fixing ball 1009 to enter the fixing plate 1002 and contact the connecting rod 1004, thereby causing the fixing rod 1005 to disengage from the mounting sleeve 2. Then, the cylinder 1001 can be pulled out from the mounting sleeve 2 to complete the disassembly.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A culvert reinforcement spacing positioning auxiliary device, comprising a mounting frame (1), wherein mounting sleeves (2) are symmetrically mounted on the inner surface of the mounting frame (1), and limiting plates (3) are fixedly mounted on the inner walls of the mounting sleeves (2), and positioning rulers (4) are fixedly mounted on one end of the two sets of mounting sleeves (2), and a plurality of sleeves (6) are sleeved on the outer surface of the positioning rulers (4), and threaded rods (7) are threadedly connected to the upper surface of the sleeves (6), and knobs (8) are fixedly mounted on the top ends of the threaded rods (7), and positioning pins (9) are fixedly mounted on the lower surface of the sleeves (6), characterized in that: The outer surface of the mounting bracket (1) is provided with a fixing mechanism (10), the fixing end of the fixing mechanism (10) is located inside the mounting sleeve (2), and the outer surface of the positioning ruler (4) is provided with a scale (5).

2. The auxiliary device for positioning the spacing of reinforcing bars in a square culvert according to claim 1, characterized in that: The fixing mechanism (10) includes a cylinder (1001), the cylinder (1001) is fixedly installed on the outer surface of the mounting bracket (1), the cylinder (1001) and the mounting sleeve (2) are inserted into each other, and a fixing plate (1002) is fixedly installed inside the cylinder (1001).

3. The auxiliary device for positioning the spacing of reinforcing bars in a square culvert according to claim 2, characterized in that: A mounting base (1003) is fixedly installed on the upper surface of the fixing plate (1002), and a connecting rod (1004) is fixedly installed on the upper surface of the mounting base (1003).

4. The auxiliary device for positioning the spacing of reinforcing bars in a square culvert according to claim 3, characterized in that: A fixing rod (1005) is fixedly installed on the upper surface of the connecting rod (1004). The fixing rod (1005) and the cylinder (1001) are slidably connected. A spring (1006) is sleeved on the outer surface of the fixing rod (1005).

5. The auxiliary device for positioning the spacing of reinforcing bars in a square culvert according to claim 4, characterized in that: A pressure plate (1007) is fixedly installed on the upper surface of the fixing rod (1005).

6. The auxiliary device for positioning the spacing of reinforcing bars in a square culvert according to claim 2, characterized in that: A rectangular groove (1008) is provided on the outer surface of the cylinder (1001). A fixed sphere (1009) is provided inside the rectangular groove (1008). One end of the fixed sphere (1009) abuts against the limiting plate (3), and the other end of the fixed sphere (1009) is connected to the inside of the cylinder (1001).