Mould for manufacturing reinforcing steel bars of city gate opening type tunnel

By combining disc-shaped steel reinforcement frames and adjustment components, the problem of inconsistent bending of steel reinforcement in the tunnel arch shape was solved, enabling precise control of steel reinforcement bending and improving the quality of tunnel construction.

CN223848001UActive Publication Date: 2026-01-30云南省水利水电工程有限公司
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Patent Information

Application Number
CN202520408864.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-30
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing curved steel bar forming devices are unable to effectively control the non-curved position of the gate-shaped steel bars, resulting in uneven curved surfaces and poor surface quality in concrete structures.

Method used

By employing components such as a disc-shaped rebar frame, sleeve, positioning rod, A nut, and A limit block, and adjusting the position of the sleeve and the connection of the nut, precise control of the rebar bending can be achieved, ensuring the consistency of the bending size and shape.

Benefits of technology

It improves the uniformity of steel bar bending, ensures the quality of tunnel construction, avoids problems such as uneven concrete surface and poor appearance quality, and enhances the uniformity of the finished product shape.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gate opening type tunnel reinforcing steel bar manufacturing mold, and relates to the technical field of water conservancy projects, in particular to a gate opening type tunnel reinforcing steel bar manufacturing mold which comprises a disc-shaped reinforcing steel bar frame, a sliding groove A is formed in the surface of the disc-shaped reinforcing steel bar frame, a sleeve is connected to the disc-shaped reinforcing steel bar frame in a sleeved mode, and a positioning rod is fixedly connected to the surface of the sleeve. A nut A is rotationally connected to one end of the sleeve. By adjusting the position of the sleeve in the equipment, the sleeve is formed into the radian with the appropriate size, then a steel bar is placed on the disc-shaped steel bar frame, one end of the steel bar is fixed through the abutting rod, the other end of the steel bar is bent around the positioning rod, and the effect of bending the steel bar with the appropriate size can be achieved. Therefore, batch bending is carried out after the uniform bending size is determined, the uniformity of the shape of a finished product is greatly improved, and the situation that due to non-uniform bending, the structural curved surface is not smooth and the apparent quality is poor during subsequent concrete pouring is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy engineering technical field, concretely is a city gate hole type tunnel steel bar manufacturing mould. BACKGROUND

[0002] With the continuous development of water conservancy engineering, the city gate hole type tunnel is a common building type, is usually used in water conservancy engineering diversion, water taking, diversion, water delivery, flood discharge, emptying tunnel and other fields, and the city gate hole type steel bar is widely used in tunnel concrete structure.

[0003] Current some arc-shaped steel bar forming device is relied on the working disc to carry out the arc-shaped processing of steel bar, including the working disc of steel bar bending machine, still including the press bending pin shaft and the blocking iron forming shaft, but the non-arc-shaped position of city gate hole type steel bar is difficult to process control, leading to the structure curved surface of concrete not smooth and the apparent quality difference. UTILITY MODEL CONTENT

[0004] The utility model discloses a city gate hole type tunnel steel bar manufacturing mould, through setting up disciform steel bar frame, sleeve pipe, positioning rod, A nut and A limit block, solve the current some arc-shaped steel bar forming device is relied on the working disc to carry out the arc-shaped processing of steel bar, including the working disc of steel bar bending machine, still including the press bending pin shaft and the blocking iron forming shaft, but the non-arc-shaped position of city gate hole type steel bar is difficult to process control, leading to the structure curved surface of concrete not smooth and the apparent quality difference problem.

[0005] To realize above-mentioned purpose, the utility model discloses a city gate hole type tunnel steel bar manufacturing mould through following technical scheme: a city gate hole type tunnel steel bar manufacturing mould, including disciform steel bar frame, the surface of disciform steel bar frame is seted with A sliding slot, the disciform steel bar frame is sleeved with sleeve pipe, the surface of sleeve pipe is fixedly connected with positioning rod, one end of sleeve pipe is rotatably connected with A nut, the inside fixedly connected with A limit block of sleeve pipe, A limit block is slidably connected in the inside of A sliding slot.

[0006] Preferably, the port of the disciform steel bar frame is clamped with a clamping block, and the bottom of the clamping block is fixedly connected with a table top.

[0007] Preferably, the lower surface of the table top is fixedly connected with a supporting leg, and the supporting leg is welded with a stable frame.

[0008] Preferably, one side of the table top is fixedly connected with a connecting seat, and the connecting seat is fixedly connected with a sliding rod.

[0009] Preferably, the surface of the sliding rod is slidably connected with a sliding sleeve, and the surface of the sliding sleeve is fixedly connected with a resisting rod.

[0010] Preferably, one end of the sliding sleeve is rotationally connected with a B nut, the B nut is threadedly connected to the surface of the slide rod, and the inner wall of the sliding sleeve is fixedly connected with a B limiting block, and the B limiting block is slidably connected with the inner portion of the slide rod.

[0011] The utility model provides a city gate hole type tunnel steel bar manufacturing mould has the following beneficial effects:

[0012] When using, the sleeve position in the equipment is adjusted, so that it is formed into a proper size of arc, then the steel bar is placed on the disc-shaped steel bar frame, one end is fixed through the abutting rod, and the other end is bent around the positioning rod, so that the effect of bending a proper size of steel bar can be realized, the bending arc and the bending size of the steel bar in the equipment are adjusted, so that after the uniform bending size is determined, batch bending is carried out, the uniformity of the finished product shape is greatly improved, the structure curved surface is not smooth and the apparent quality is poor when pouring concrete in the subsequent pouring concrete, and the tunnel construction quality can be effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creating creative labor.

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural split schematic view of the disc-shaped steel bar frame of the utility model;

[0016] Figure 3 It is a structural split schematic view of the utility model table.

[0017] Indicated in the figure:

[0018] 1, disc-shaped steel bar frame; 2, A sliding groove; 3, sleeve; 4, positioning rod; 5, A nut; 6, A limiting block; 7, clamping block; 8, table; 9, supporting leg; 10, stabilizing frame; 11, connecting seat; 12, slide rod; 13, sliding sleeve; 14, abutting rod; 15, B nut; 16, B limiting block. DETAILED DESCRIPTION

[0019] The exemplary embodiments will be described in detail herein with reference to the drawings. In the following description, like reference characters refer to like elements throughout the description. The following exemplary embodiments are not representative of all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of the present disclosure as detailed in the appended claims.

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. All other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the present application belong to the scope of protection of the present application.

[0021] As shown in Figure 1 , Figure 2 and Figure 3 , the present embodiment proposes a city gate hole type tunnel steel bar manufacturing mold, which comprises a disc-shaped steel bar frame 1, the disc-shaped steel bar frame 1 is welded by a plurality of threaded steel bars, and the steel bars are welded at the middle part to avoid deformation, a surface of the disc-shaped steel bar frame 1 is provided with an A sliding groove 2, the disc-shaped steel bar frame 1 is sleeved with a sleeve pipe 3, a surface of the sleeve pipe 3 is fixedly connected with a positioning rod 4, one end of the sleeve pipe 3 is rotatably connected with an A nut 5, an inside of the sleeve pipe 3 is fixedly connected with an A limiting block 6, and the A limiting block 6 is slidably connected in the inside of the A sliding groove 2.

[0022] The sleeve pipe 3 is driven to move by rotating the A nut 5, and under the action of the A limiting block 6, the sleeve pipe 3 can slide on the disc-shaped steel bar frame 1 and keep the positioning rod 4 vertical, so that the steel bar is tightly shaped when being bent, and the positions of the positioning rods 4 can be adjusted to control the size of the subsequent finished product.

[0023] The disc-shaped steel bar frame 1 is clamped with a clamping block 7 at the port, the bottom of the clamping block 7 is fixedly connected with a table top 8, the disc-shaped steel bar frame 1 can be pulled out upward and taken down separately for easy replacement and maintenance.

[0024] The lower surface of the table top 8 is fixedly connected with a supporting leg 9, and the supporting legs 9 are welded with a stable frame 10.

[0025] One side of the table top 8 is fixedly connected with a connecting seat 11, the connecting seats 11 are fixedly connected with a sliding rod 12, the surface of the sliding rod 12 is slidably connected with a sliding sleeve pipe 13, the surface of the sliding sleeve pipe 13 is fixedly connected with an abutting rod 14, and the abutting rod 14 can be abutted after the steel bar is put in, so that the position of the steel bar at this end is kept unchanged when the steel bar is bent by the personnel, and the personnel can easily bend the steel bar by applying force from the other end.

[0026] One end of the sliding sleeve 13 is rotationally connected with the B nut 15, the B nut 15 is threadedly connected to the surface of the sliding rod 12, the inner wall of the sliding sleeve 13 is fixedly connected with the B limiting block 16, the B limiting block 16 is slidingly connected with the inside of the sliding rod 12, through the setting of the B nut 15, the position of the sliding sleeve 13 can be controlled, so as to adjust the size of the steel bar bending.

[0027] Specifically, the city gate hole type tunnel steel bar manufacturing mold in working / using: in use, by adjusting the position of the sleeve 3 in the equipment, it is formed into a suitable size of arc, then the steel bar is placed on the disc-shaped steel bar frame 1, one end is fixed by the abutting rod 14, and the other end is bent around the positioning rod 4, so that the effect of bending the steel bar with a suitable size can be achieved, the bending arc and the bending size of the steel bar of the equipment are adjusted, so that after the uniform bending size is determined, the steel bar can be bent in batches, which greatly improves the uniformity of the finished product shape, avoids the situation that the structure curved surface is not smooth and the apparent quality is poor when the concrete is poured subsequently due to the non-uniform bending, and can effectively guarantee the tunnel construction quality.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mold for making a reinforced concrete tunnel having a gate shape, comprising a disc-shaped reinforcing bar rack (1), characterized in that: The surface of the disc-shaped reinforcing frame (1) is provided with an A sliding groove (2), the disc-shaped reinforcing frame (1) is sleeved with a sleeve (3), the surface of the sleeve (3) is fixedly connected with a positioning rod (4), one end of the sleeve (3) is rotatably connected with an A nut (5), the inside of the sleeve (3) is fixedly connected with an A limiting block (6), and the A limiting block (6) is slidably connected in the inside of the A sliding groove (2).

2. The gate-type tunnel reinforcement manufacturing mold according to claim 1, characterized in that: The port of the disc-shaped reinforcing frame (1) is clamped with a clamping block (7), and the bottom of the clamping block (7) is fixedly connected with a table top (8).

3. The gate-type tunnel reinforcement manufacturing mold according to claim 2, characterized in that: The lower surface of the table top (8) is fixedly connected with a supporting leg (9), and the supporting legs (9) are welded with a stable frame (10).

4. The gate-type tunnel reinforcement manufacturing mold according to claim 2, characterized in that: One side of the table top (8) is fixedly connected with a connecting seat (11), and the connecting seats (11) are fixedly connected with a sliding rod (12).

5. The arch-type tunnel reinforcement manufacturing mold according to claim 4, characterized in that: The surface of the sliding rod (12) is slidably connected with a sliding sleeve (13), and the surface of the sliding sleeve (13) is fixedly connected with a resisting rod (14).

6. The gate-type tunnel reinforcement manufacturing mold according to claim 5, characterized in that: One end of the sliding sleeve (13) is rotatably connected with a B nut (15), the B nut (15) is threadedly connected to the surface of the sliding rod (12), the inner wall of the sliding sleeve (13) is fixedly connected with a B limiting block (16), and the B limiting block (16) is slidably connected with the inside of the sliding rod (12).