Steel bar butt joint device for road and bridge construction

By designing a bidirectional screw and rotating assembly, the problem of inconsistent clamping distances in rebar splicing devices was solved, enabling precise adjustment and convenient removal of rebar during welding, thus improving the efficiency and safety of road and bridge construction.

CN223588583UActive Publication Date: 2025-11-25哈尔滨市阿城区公路事业发展中心
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Patent Information

Application Number
CN202423056358.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-25
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing rebar splicing devices for road and bridge construction are prone to rebar wobbling during welding, and inconsistent clamping distances affect welding quality. Furthermore, it is difficult to remove the rebar after welding.

Method used

The design employs a bidirectional screw and rotating assembly. The rotating wheel drives the bidirectional screw to rotate, adjusting the position of the clamping structure. Combined with the snap-fit ​​design of the limiting assembly and protective cover, it enables precise adjustment of the rebar spacing and convenient removal.

Benefits of technology

This ensures that the spacing between the reinforcing bars is consistent each time they are welded, improving welding accuracy. It also allows for easy removal of the reinforcing bars after welding, thus improving operational efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a road bridge construction reinforcing steel bar butt joint device which comprises a connecting plate and a clamping structure, the top of the connecting plate is provided with a mounting groove, the right side of the inner wall of the mounting groove is movably connected with a two-way screw through a bearing, and the left side and the right side of the surface of the two-way screw are in threaded connection with threaded sleeves. The clamping structure is fixedly connected to the top of the threaded sleeve. Through the arrangement of the bidirectional screw rod, after a user fixes a reinforcing steel bar through the clamping structure, the bidirectional screw rod is rotated through the rotating assembly, and then the thread sleeve in threaded connection with the bidirectional screw rod is moved, so that the two welded ends of the reinforcing steel bar are close to each other, and the distances between the reinforcing steel bars are consistent during welding every time; and then a buckle is opened to open the protective cover to take the welded reinforcing steel bars, so that the problems that the distances between the reinforcing steel bars clamped every time cannot be consistent during use, the inconsistent clamping distances can influence the subsequent welding work, and the reinforcing steel bars are inconvenient to take out by a user after being welded are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely is a bridge construction steel butt joint device. BACKGROUND

[0002] Bridge construction steel butt joint is a key technology used in road and bridge construction, which involves firmly connecting two or more steels together through specific connecting devices to ensure the stability and safety of the entire structure. Bridge construction steel butt joint technology is mainly applied in infrastructure construction such as roads and bridges, especially in situations where a large number of steels need to be connected to form a strong framework. This technology ensures that the connection strength between steels meets the design requirements, thereby ensuring the load-bearing capacity and service life of the entire structure.

[0003] The existing authorized Chinese utility model announcement number for: CN218362888U, discloses a steel butt joint device, including the supportable support rod that is connected through the bolt in the connecting plate upper end, the upper end fixed connection of support rod has the protection shell that can protect, the upper end of protection shell is equipped with the window that can observe, the upper end screw thread connection of connecting plate has the limiting rod that can limit, the one end screw thread connection of limiting rod has the positioning groove that can position, the upper end through bolt connection of positioning groove has the fixed cover that can fix. The steel butt joint device, through the setting of limiting rod, positioning groove and fixed cover, when the staff welds the steel, it is inconvenient to fix it, it is more easy to shake and cause inconvenience to welding, through the cooperation of limiting rod and positioning groove screw thread connected on the upper end of connecting plate, the steel is limited in the positioning groove, the fixed cover connected through the bolt on the upper end of positioning groove fixes the steel, which is beneficial to effectively avoid the shaking of the steel during welding.

[0004] Based on the above patent search and combined with the existing technology equipment, the above-mentioned equipment can solve the problem of steel shaking during welding, which is inconvenient for workers to weld and the sparks emitted during welding will affect the operation of workers and cause burns to workers' skin. However, in actual use, when two steels are clamped and fixed, the distance cannot be adjusted, and the user cannot ensure that the distance between the steels clamped each time is consistent. Inconsistent clamping distance will affect the subsequent welding work, and it is not convenient for the user to take out the steel after welding. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the background technology, the purpose of the utility model is to provide a bridge construction steel butt joint device with the advantages of adjustment, solving the problem of inconsistent distance between steels clamped each time, which will affect the subsequent welding work, and the inconvenience of the user to take out the steel after welding.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a road and bridge construction steel butt joint device, including connecting plate and clamping structure, the top of connecting plate is equipped with the installation groove, the right side of the inner wall of installation groove is connected with two -way screw rod through bearing, the left side and the right side screw thread of two -way screw rod surface are connected with the screw bushing, the top of screw bushing is fixedly connected with clamping structure, the top of connecting plate is fixedly connected with fixed seat, the front side and the back of fixed seat are rotatably connected with protective cover through hinge, the left side of two -way screw rod is fixedly connected with rotating assembly, the front side and the back of clamping structure are all fixedly connected with limit component.

[0007] As the utility model prefers, the rotating assembly comprises a connecting rod, the connecting rod is fixedly connected to the left side of the two-way screw rod, the other end of the connecting rod penetrates through the connecting plate and is fixedly connected with a rotating wheel, and the connecting rod is movably connected to the connecting plate through a bearing.

[0008] As the utility model prefers, the limit component comprises a limit block, the limit block is fixedly connected to the front side and the back of the clamping structure, a limit slot for cooperating with the limit block is formed in the top of the connecting plate, and the limit block is slidably connected to the limit slot.

[0009] As the utility model prefers, the left side and the right side of the top of the two protective covers are movably connected through buckles.

[0010] As the utility model prefers, the top of the two protective covers is fixedly connected with a handle, and an anti-skid groove is formed in the top of the handle.

[0011] As the utility model prefers, the bottom of the limit block is formed with a ball groove, and a ball is embedded in the ball groove.

[0012] As the utility model prefers, the outer side of the two protective covers is embedded with an observation window.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a two -way screw rod is set up, and the user fixes after the steel bar through clamping structure, and then makes two -way screw rod rotate through rotating assembly, and then makes the screw bushing that is connected with two -way screw rod screw thread moves, makes the two ends of steel bar welding close, makes the distance of steel bar consistent when welding each time, and then opens the protective cover through opening buckle and takes the steel bar that welding is completed, solves the distance of the steel bar that clamps each time when using, and the inconsistent clamping distance will affect the subsequent welding work, and the steel bar welding is completed, and the user is inconvenient to take out the problem, reaches the effect that adjusts.

[0015] 2, The utility model discloses a rotatory assembly is set up, makes connecting rod and bidirectional screw rod fixed, makes connecting rod and rotating wheel fixed again, and connecting rod is installed movably with connecting plate through bearing, and user drives bidirectional screw rod to rotate through rotating rotating wheel, makes bidirectional screw rod drive the movement of the screw bush to the inside or outside, makes it can drive the movement of the clamping structure fixed with the screw bush, and the distance is adjusted when the user is convenient to the steel bar welding.

[0016] 3, The utility model discloses a limiting assembly is set up, makes the fixed limiting block and clamping structure, makes the sliding fit of limiting block and the limiting slot of connecting plate again, and the limiting block is limited through the limiting slot, and the clamping structure fixed with the limiting block can only move in the defined range, guarantees the precision of butt joint when the steel bar welding. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the three-dimensional part structure explosion schematic diagram of the utility model.

[0020] In the drawing: 1, connecting plate;2, clamping structure;3, installation slot;4, bidirectional screw rod;5, screw bush;6, fixed base;7, protective cover;8, rotatory assembly;81, connecting rod;82, rotating wheel;9, limiting assembly;91, limiting block;92, limiting slot;10, buckle;11, handle;12, antiskid groove;13, ball groove;14, ball;15, observation window. SPECIFIC IMPLEMENTATION

[0021] The technical scheme in the embodiments of the utility model will be described below clearly and completely in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0022] As Figures 1 to 3As shown in the utility model provide a kind of butt joint device for bridge construction reinforcing bar, including connecting plate 1 and clamping structure 2, the top of connecting plate 1 is equipped with installation groove 3, the right side of the inner wall of installation groove 3 is movably connected with two-way screw rod 4 by bearing, the left side and the right side of the surface of two-way screw rod 4 are threadedly connected with screw sleeve 5, clamping structure 2 is fixedly connected at the top of screw sleeve 5, the top of connecting plate 1 is fixedly connected with fixed seat 6, the front side and the back side of fixed seat 6 are movably connected with protective cover 7 by hinge, the left side of two-way screw rod 4 is fixedly connected with rotating assembly 8, the front side and the back side of clamping structure 2 are all fixedly connected with limiting assembly 9.

[0023] Reference Figure 3 Rotating assembly 8 includes connecting rod 81, connecting rod 81 is fixedly connected at the left side of two-way screw rod 4, the other end of connecting rod 81 is fixedly connected with rotating wheel 82 and passes through connecting plate 1, and connecting rod 81 is movably connected with connecting plate 1 by bearing.

[0024] As a kind of technical optimization scheme of the utility model, by setting rotating assembly 8, make connecting rod 81 with two-way screw rod 4 fixed, then make connecting rod 81 with rotating wheel 82 fixed, connecting rod 81 is movably installed with connecting plate 1 by bearing, user rotates rotating wheel 82 to drive two-way screw rod 4 to rotate, so that two-way screw rod 4 drives screw sleeve 5 to move inwards or outwards, so that it can drive clamping structure 2 fixed with screw sleeve 5 to move, to facilitate user to adjust the distance when reinforcing bar is welded.

[0025] Reference Figure 2 Limiting assembly 9 includes limiting block 91, limiting block 91 is all fixedly connected at the front side and the back side of clamping structure 2, the top of connecting plate 1 is equipped with the limiting slot 92 used in cooperation with limiting block 91, and limiting block 91 is slidably connected with limiting slot 92.

[0026] As a kind of technical optimization scheme of the utility model, by setting limiting assembly 9, make limiting block 91 with clamping structure 2 fixed, then make limiting block 91 with the sliding cooperation of limiting slot 92 of connecting plate 1, limiting block 91 is limited by limiting slot 92, so that clamping structure 2 fixed with limiting block 91 can only move within the defined range, to ensure the precision of butt joint when reinforcing bar is welded.

[0027] Reference Figure 1 The left side and the right side of the top of two protective covers 7 are movably connected by buckle 10.

[0028] As a kind of technical optimization scheme of the utility model, by setting buckle 10, make two protective covers 7 movably connected by buckle 10, after user welds reinforcing bar, by opening buckle 10, make protective cover 7 open by hinge, to facilitate to pick up welded reinforcing bar.

[0029] ReferenceFigure 1 The top of the two protective covers 7 is fixedly connected with a handle 11, and the top of the handle 11 is provided with an anti-skid groove 12.

[0030] As a technical optimization scheme of the utility model, the handle 11 is fixed with the protective cover 7 through the handle 11 and the anti-skid groove 12, so that the user can more conveniently open or close the protective cover 7, and the friction is increased through the anti-skid groove 12, so that the hand-off condition is reduced, and the stability during use is improved.

[0031] Reference Figure 3 The bottom of the limiting block 91 is provided with a ball groove 13, and the ball groove 13 is embedded with a ball 14.

[0032] As a technical optimization scheme of the utility model, the ball 14 is embedded in the ball groove 13 through the ball groove 13 and the ball 14, the friction between the limiting block 91 and the bottom of the limiting groove 92 is reduced through the ball 14, the limiting block 91 is assisted to move in the limiting groove 92, and the movement is more convenient.

[0033] Reference Figure 1 The outer side of the two protective covers 7 is embedded with an observation window 15.

[0034] As a technical optimization scheme of the utility model, the outer side of the protective cover 7 is embedded with the observation window 15 through the observation window 15, the user can check the reinforcing steel bar welding condition through the observation window 15, the protective cover 7 does not need to be opened for checking, and the working efficiency is provided.

[0035] The working principle and use process of the utility model are as follows: in use, the user fixes the reinforcing steel bar through the clamping structure 2, rotates the rotating wheel 82 to drive the bidirectional screw rod 4 to rotate, drives the screw sleeve 5 to move inward or outward, drives the clamping structure 2 fixed with the screw sleeve 5 to move, limits the limiting block 91 through the limiting groove 92, so that the clamping structure 2 fixed with the limiting block 91 can only move in the limited range, makes the two ends of the reinforcing steel bar welded close, makes the distance of the reinforcing steel bar consistent each time, checks the reinforcing steel bar welding condition through the observation window 15, opens the buckle 10, holds the handle 11 to open the protective cover 7 and the clamping structure 2, and takes the reinforcing steel bar welded.

[0036] In summary: the bridge construction reinforcing steel butt joint device, through the setting up two-way screw rod 4, the user will be fixed through the clamping structure 2 reinforcing steel, again through rotating assembly 8 make two-way screw rod 4 rotate, again make with two-way screw rod 4 threaded connection's screw bush 5 move, make reinforcing steel welding two ends close, make reinforcing steel distance consistent when welding each time again, through opening buckle 10 open protective cover 7 to welding the reinforcing steel that completes is taken, solved when using, when two reinforcing steels are clamped and fixed, cannot adjust distance, the user cannot achieve the distance consistent between each clamping reinforcing steel, the clamping distance is not uniform and will affect the subsequent welding work, and the reinforcing steel welding is completed, and the user is inconvenient to take out the problem.

[0037] It should be noted that in this document, the terms“first” and“second” and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms“comprises,”“comprising,” or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for butt jointing of reinforcing bars for bridge construction, comprising a connecting plate (1) and a clamping structure (2), characterized in that: The top of the connecting plate (1) is provided with a mounting groove (3), the right side of the inner wall of the mounting groove (3) is movably connected with a bidirectional screw rod (4) through a bearing, the left and right sides of the surface of the bidirectional screw rod (4) are threadedly connected with a screw sleeve (5), the clamping structure (2) is fixedly connected to the top of the screw sleeve (5), the top of the connecting plate (1) is fixedly connected with a fixed seat (6), the front side and the rear side of the fixed seat (6) are movably connected with a protective cover (7) through a hinge, the left side of the bidirectional screw rod (4) is fixedly connected with a rotating assembly (8), and the front side and the rear side of the clamping structure (2) are both fixedly connected with a limiting assembly (9).

2. The butt joint device for reinforcing bars in bridge construction according to claim 1, characterized in that: The rotating assembly (8) comprises a connecting rod (81), the connecting rod (81) is fixedly connected to the left side of the bidirectional screw rod (4), the other end of the connecting rod (81) penetrates through the connecting plate (1) and is fixedly connected with a rotating wheel (82), and the connecting rod (81) is movably connected with the connecting plate (1) through a bearing.

3. The butt joint device for reinforcing bars in bridge construction according to claim 1, characterized in that: The limiting assembly (9) comprises a limiting block (91), the limiting block (91) is fixedly connected to the front side and the rear side of the clamping structure (2), the top of the connecting plate (1) is provided with a limiting groove (92) matched with the limiting block (91), and the limiting block (91) is slidably connected with the limiting groove (92).

4. The butt joint device for reinforcing bars in bridge construction according to claim 1, characterized in that: The top of the connecting plate (1) is provided with a mounting groove (3), the right side of the inner wall of the mounting groove (3) is movably connected with a bidirectional screw rod (4) through a bearing, the left and right sides of the surface of the bidirectional screw rod (4) are threadedly connected with a screw sleeve (5), the clamping structure (2) is fixedly connected to the top of the screw sleeve (5), the top of the connecting plate (1) is fixedly connected with a fixed seat (6), the front side and the rear side of the fixed seat (6) are movably connected with a protective cover (7) through a hinge, the left side of the bidirectional screw rod (4) is fixedly connected with a rotating assembly (8), and the front side and the rear side of the clamping structure (2) are both fixedly connected with a limiting assembly (9).

5. The butt joint device for reinforcing bars in bridge construction according to claim 1, characterized in that: The top of the connecting plate (1) is provided with a mounting groove (3), the right side of the inner wall of the mounting groove (3) is movably connected with a bidirectional screw rod (4) through a bearing, the left and right sides of the surface of the bidirectional screw rod (4) are threadedly connected with a screw sleeve (5), the clamping structure (2) is fixedly connected to the top of the screw sleeve (5), the top of the connecting plate (1) is fixedly connected with a fixed seat (6), the front side and the rear side of the fixed seat (6) are movably connected with a protective cover (7) through a hinge, the left side of the bidirectional screw rod (4) is fixedly connected with a rotating assembly (8), and the front side and the rear side of the clamping structure (2) are both fixedly connected with a limiting assembly (9).

6. The butt joint device for reinforcing bars in bridge construction according to claim 3, characterized in that: The bottom of the limiting block (91) is provided with a ball groove (13), and the ball groove (13) is inlaid with a ball (14).

7. The butt joint device for reinforcing bars in bridge construction according to claim 1, characterized in that: ​

Citation Information

Patent Citations

  • Steel bar butt joint device

    CN218362888U