Reinforcing steel bar high-tensile butt joint structure

By combining a rectangular connecting plate and a limiting mechanism, the problems of damage to steel bars and unstable connections in existing steel bar splicing methods are solved, achieving rapid and stable connection of steel bars, simplifying the processing process and improving connection stability.

CN224106723UActive Publication Date: 2026-04-10MIANYANG JINHU TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing high-tensile-strength butt welding methods for reinforcing bars are prone to damaging the bars, are cumbersome to process, and have unstable connections, thus affecting their performance.

Method used

By employing rectangular connecting plates, L-shaped connecting plates, and limiting mechanisms, and through the combination of connecting cylinders, drive buttons, and limiting plates, horizontal or vertical connections of reinforcing bars and 90-degree corner butt joints can be achieved. Combined with external bracing and longitudinal clamping, the connection stability is improved.

Benefits of technology

It enables rapid and stable connection of reinforcing bars, avoids damage to the reinforcing bars, simplifies the processing, and improves the stability and performance of the connection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224106723U_ABST
    Figure CN224106723U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-tensile butt joint structure for reinforcing steel bars. The high-tensile butt joint structure comprises a rectangular connecting plate, a connecting mechanism and a limiting mechanism, square connecting plates which are symmetrically distributed are arranged on the rear side of the rectangular connecting plate, an L-shaped connecting plate is arranged on the front side of the rectangular connecting plate, square connecting plates are also arranged on the rear side and the lower side of the L-shaped connecting plate, and first threaded holes which are uniformly distributed are formed in the rectangular connecting plate and the L-shaped connecting plate; second threaded holes which are evenly distributed are formed in the square connecting plates, first reinforcing steel bars are arranged between the rectangular connecting plate and the two longitudinally-adjacent square connecting plates, and second reinforcing steel bars are arranged between the L-shaped connecting plate and the longitudinally-adjacent square connecting plates. And meanwhile, external supporting and longitudinal clamping are synchronously carried out, and the connection stability of the connecting plates is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to steel bar butt joint technical field, concretely is a steel bar high tensile butt joint structure. BACKGROUND

[0002] Steel bar high tensile butt joint structure is the core design of guaranteeing component safety and reliability under the tension state in building structure, and its key lies in realizing the efficient transmission of steel bar tensile property through reasonable connecting mode, material selection and construction measure,

[0003] The existing steel bar high tensile butt joint mode is one through the straight thread of steel bar end processing, realizes rigid connection using high strength sleeve, realizes steel bar horizontal or vertical butt joint, and another is through welding technology, realizes the butt joint of steel bar 90 degree corner by welding together the steel bar of vertical state and the steel bar of horizontal state,

[0004] These two modes can cause damage to steel bar, influence the use performance of steel bar later period, and the processing process is more complicated, is inconvenient for realizing the rapid performance of steel bar high tensile butt joint, and the stability of steel bar butt joint place lacks further limitation, influences the use performance of steel bar structure after butt joint. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem to overcome the existing defects, provides a steel bar high tensile butt joint structure, can realize the horizontal or vertical connection of steel bar and the butt joint of ninety degree corner, realizes the synchronous performance of external bracing and longitudinal clamping simultaneously, improves the stability of connecting plate connection, can effectively solve the problems in the background art.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a steel bar high tensile butt joint structure, including rectangular connecting plate, connecting mechanism and limiting mechanism,

[0007] Rectangular connecting plate: its back side is provided with the square connecting plate of symmetrical distribution, and the front side of rectangular connecting plate is provided with L type connecting plate, and the back side and the downside of L type connecting plate are also provided with square connecting plate, and the inside of rectangular connecting plate and L type connecting plate is provided with the screw hole one of uniform distribution, and the inside of square connecting plate is provided with the screw hole two of uniform distribution, and the steel bar one is arranged between rectangular connecting plate and longitudinally adjacent two square connecting plates, and the steel bar two is arranged between L type connecting plate and longitudinally adjacent square connecting plate, and the steel bar three is arranged between L type connecting plate and vertically adjacent square connecting plate,

[0008] Connecting mechanism: it includes connecting barrel and drive knob, and the outer surface of connecting barrel is provided with outer thread one, and outer thread one is screw connected with longitudinally adjacent screw hole one and screw hole two, and the front end of connecting barrel under horizontal state and the upper end of connecting barrel under vertical state are all fixedly connected with drive knob;

[0009] The limiting mechanism is arranged at one end of the connecting cylinder close to the square connecting plate, and can realize horizontal or vertical connection of the reinforcing bars, and butt joint of the ninety-degree corner, and simultaneously realize the external support and the longitudinal clamping, thereby improving the stability of the connecting plate connection.

[0010] Further, the connecting mechanism further comprises a cavity, a fixed cylinder, a sliding seat, a connecting rod, a sliding plate and an external support block, the cavity is arranged in the interior of the connecting cylinder, the cavity is fixedly connected with the fixed cylinder at one end close to the driving knob, the fixed cylinder and the inner wall of the cavity are fixedly connected with uniformly distributed guide rods one, the outer surface of the guide rod one is slidingly connected with the sliding plate, the end of the sliding plate away from the center of the connecting cylinder is fixedly connected with symmetrically distributed external support blocks, the outer arc surface of the connecting cylinder is provided with uniformly distributed sliding ports one, the interior of the sliding port one is slidingly connected with the outer surface of the radially adjacent external support block, the interior of the cavity is provided with a sliding seat, the middle part of the outer arc surface of the sliding seat is rotatably connected with a connecting rod, the end of the connecting rod away from the center axis of the connecting cylinder is rotatably connected with the end of the radially adjacent sliding plate close to the center axis of the connecting cylinder, and the external support of the connecting cylinder and the adjacent threaded hole one and threaded hole two is realized.

[0011] Further, the connecting mechanism further comprises a rotating shaft, the rotating shaft is rotatably connected in the interior of the fixed cylinder, the outer surface of the rotating shaft is provided with external threads three, the external threads three are internally threadedly connected with the adjacent sliding seat, and driving force is provided for realizing the external support of the connecting cylinder and the adjacent threaded hole one and threaded hole two.

[0012] Further, the limiting mechanism comprises a partition plate, an internal thread cylinder, an inclined seat and a limiting plate, the partition plate is fixedly connected at one end of the cavity away from the driving knob, the interior of the partition plate is fixedly connected with an internal thread cylinder, the outer surface of the internal thread cylinder is fixedly connected with uniformly distributed guide rods two between the outer surface of one side close to the driving block and the inner wall of the cavity, the outer surface of the guide rod two is slidingly connected with the end of the radially adjacent sliding plate away from the driving knob, the outer surface of one side of the internal thread cylinder away from the driving knob is fixedly connected with uniformly distributed guide rods three between the inner wall of the cavity, the middle part of the outer surface of the guide rod three is slidingly connected with an inclined seat, the end of the inclined seat away from the center axis of the connecting cylinder is fixedly connected with a limiting plate, the end of the connecting cylinder away from the driving knob is provided with uniformly distributed sliding ports two, the interior of the sliding port two is slidingly connected with the outer surface of the radially adjacent limiting plate, and the sliding port two cooperates with the driving knob to realize the clamping of the connecting plate while realizing the external support.

[0013] Further, the limiting mechanism further comprises a rotating drum, external threads two and a driving block, the outer surface of the rotating drum is provided with external threads two, the external threads two are connected with the internal threads of the adjacent internal thread cylinder, the driving block is fixedly connected to one end of the outer surface of the rotating drum away from the driving block, one end of the driving block close to the driving knob is provided with a conical surface, the conical surface is matched and installed with the adjacent inclined seat, the inside of the rotating drum is provided with symmetrically distributed rib grooves, the outer surface of the rotating drum is fixedly connected with symmetrically distributed ribs, and the rib grooves are slidably connected with the adjacent ribs, so that the driving force for clamping the connecting plate is provided.

[0014] Further, the driving knob, the rectangular connecting plate and the L-shaped connecting plate are provided with spring washers, and the spring washers are movably sleeved on the outer surface of the connecting cylinder, so that the connecting part has a certain damping effect.

[0015] Further, the rear end of the rectangular connecting plate, the front end of the vertical square connecting plate and the upper end of the horizontal square connecting plate are provided with arc grooves, the arc grooves on the rear side of the rectangular connecting plate and the arc grooves on the front end of the two square connecting plates on the rear side are matched and installed with adjacent steel bars one, the rear end of the L-shaped connecting plate is provided with an L-shaped rib groove, and the L-shaped rib groove and the arc groove on the front end of the square connecting plate on the front side are matched and installed with steel bars two and steel bars three, so as to provide a placing space for the steel bars.

[0016] Compared with the prior art, the steel bar high tensile butt joint structure has the following advantages:

[0017] 1、The rectangular connecting plate and the two square connecting plates are attached through the connecting mechanism, the horizontal or vertical connection of the two steel bars is realized, the L-shaped connecting plate and the two square connecting plates are attached through the connecting mechanism, the butt joint of the steel bars at a ninety-degree corner is realized, the structure is simple, the steel bar body does not need to be damaged, the horizontal or vertical connection of the steel bars and the rapid butt joint at a ninety-degree corner can be realized, certain equipment cost is saved, and the personnel burden is reduced.

[0018] 2、The connecting cylinder is connected with the driving block, the connecting cylinder is screwed into the adjacent threaded hole one and threaded hole two, the preliminary connection of the rectangular connecting plate or the L-shaped connecting plate and the direction connecting plate is realized, then the driving block is rotated, the rotating drum moves under the action of the internal thread cylinder, the driving block pushes the limiting plate outward, the limiting plate and the driving block clamp the connecting plate, the rotating drum drives the rotating shaft to rotate, the front four outer supporting blocks of the connecting rod mechanism outwardly support the threaded hole one, the rear four outer supporting blocks outwardly support the threaded hole two, the outward supporting and the longitudinal clamping are simultaneously performed, the stability of the connecting plate connection is improved, and the loosening of the connected steel bars during use is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is a sectional structure schematic view of the utility model;

[0021] Figure 3 It is a sectional structure schematic view of the left side of the utility model;

[0022] Figure 4 It is an enlarged structure schematic view of A of the utility model;

[0023] Figure 5 It is an enlarged structure schematic view of B of the utility model;

[0024] Figure 6 It is a structure schematic view of the connecting cylinder of the utility model.

[0025] In the figure: 1 rectangular connecting plate, 2 L-shaped connecting plate, 3 square connecting plate, 4 threaded hole one, 5 threaded hole two, 6 connecting mechanism, 61 connecting cylinder, 62 cavity, 63 fixed cylinder, 64 rotating shaft, 65 sliding seat, 66 connecting rod, 67 sliding plate, 68 outer supporting block, 69 driving knob, 7 limiting mechanism, 71 partition plate, 72 inner threaded cylinder, 73 rotating cylinder, 74 outer thread two, 75 inclined seat, 76 limiting plate, 77 driving block, 8 arc-shaped groove, 9 L-shaped rib groove, 10 spring washer, 11 steel bar one, 12 steel bar two, 13 steel bar three. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-6 The embodiment provides a technical scheme: a high-tensile butt joint structure of steel bars, which comprises a rectangular connecting plate 1, a connecting mechanism 6 and a limiting mechanism 7.

[0028] The rectangular connecting plate 1 is provided with square connecting plates 3 symmetrically distributed on the back side, and L-shaped connecting plates 2 on the front side, the back side and the lower side of the L-shaped connecting plates 2 are also provided with square connecting plates 3, the interiors of the rectangular connecting plates 1 and the L-shaped connecting plates 2 are provided with uniformly distributed threaded holes one 4, the interiors of the square connecting plates 3 are provided with uniformly distributed threaded holes two 5, the rectangular connecting plates 1 and the two square connecting plates 3 longitudinally adjacent are provided with reinforcing bars one 11, the L-shaped connecting plates 2 and the square connecting plates 3 longitudinally adjacent are provided with reinforcing bars two 12, the L-shaped connecting plates 2 and the square connecting plates 3 vertically adjacent are provided with reinforcing bars three 13, the back end of the rectangular connecting plates 1, the front end of the square connecting plates 3 in vertical state and the upper end of the square connecting plates 3 in horizontal state are provided with arc-shaped grooves 8, the arc-shaped grooves 8 on the back side of the rectangular connecting plates 1 and the arc-shaped grooves 8 on the front end of the two square connecting plates 3 on the back side are matched and installed with the adjacent reinforcing bars one 11, the back end of the L-shaped connecting plates 2 is provided with L-shaped rib grooves 9, the L-shaped rib grooves 9 and the arc-shaped grooves 8 on the front end of the square connecting plates 3 on the front side are matched and installed with the reinforcing bars two 12, the L-shaped rib grooves 9 and the arc-shaped grooves 8 on the upper end of the square connecting plates 3 on the lower side are matched and installed with the reinforcing bars three 13, two reinforcing bars one 11 that need to be horizontally or vertically connected are placed between the arc-shaped grooves 8 of the rectangular connecting plates 1 and the two square connecting plates 3 adjacent, the stable clamping of the reinforcing bars one 11 by the rectangular connecting plates 1 and the two square connecting plates 3 adjacent is realized through the connecting mechanism 6, the reinforcing bars two 12 and the reinforcing bars three 13 that need to be butt-jointed at the ninety-degree corners are placed between the L-shaped rib grooves of the L-shaped connecting plates 2 and the arc-shaped grooves 8 of the corresponding two square connecting plates 3, the butt-joint of the reinforcing bars two 12 and the reinforcing bars three 13 at the ninety-degree corners by the L-shaped connecting plates 2 and the corresponding square connecting plates 3 is realized through the connecting mechanism 6;

[0029] The connecting mechanism 6 comprises a connecting barrel 61 and a driving knob 69, the outer surface of the connecting barrel 61 is provided with an outer thread one, the outer thread one is screwed with the thread hole one 4 and the thread hole two 5 which are longitudinally adjacent, the front end of the connecting barrel 61 in the horizontal state and the upper end of the connecting barrel 61 in the vertical state are both fixedly connected with the driving knob 69, the connecting mechanism 6 further comprises a cavity 62, a fixed barrel 63, a sliding seat 65, a connecting rod 66, a sliding plate 67 and an outer support block 68, the cavity 62 is arranged in the interior of the connecting barrel 61, the one end of the cavity 62 close to the driving knob 69 is fixedly connected with the fixed barrel 63, the uniform distributed guide rods one are fixedly connected between the fixed barrel 63 and the inner wall of the cavity 62, the outer surface of the guide rods one is slidingly connected with the sliding plate 67, the one end of the sliding plate 67 away from the center of the connecting barrel 61 is fixedly connected with the symmetrically distributed outer support blocks 68, the outer cam surface of the connecting barrel 61 is provided with the uniform distributed sliding ports one, the interior of the sliding port one is slidingly connected with the outer surface of the radially adjacent outer support blocks 68, the interior of the cavity 62 is provided with the sliding seat 65, the middle part of the outer cam surface of the sliding seat 65 is rotatably connected with the connecting rod 66, the one end of the connecting rod 66 away from the center axis of the connecting barrel 61 is rotatably connected with the one end of the radially adjacent sliding plate 67 close to the center axis of the connecting barrel 61, the connecting mechanism 6 further comprises a rotating shaft 64, the rotating shaft 64 is rotatably connected in the interior of the fixed barrel 63, the outer surface of the rotating shaft 64 is provided with an outer thread three, the outer thread three is screwed with the interior of the adjacent sliding seat 65, the spring washers 10 are arranged between the driving knob 69 and the rectangular connecting plate 1 and the L-shaped connecting plate 2, the spring washers 10 are movably sleeved on the outer surface of the connecting barrel 61, by rotating the corresponding connecting barrel 61 through the driving knob 69, the connecting barrel 61 is screwed between the adjacent thread hole one 4 and thread hole two 5 under the action of the outer thread one on the outer cam surface, the preliminary connection of the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3 is realized, at the same time, the spring washers 10 arranged between the driving knob 69 and the rectangular connecting plate 1 or the L-shaped connecting plate 2 provide damping effect for the connecting barrel 61 and the rectangular connecting plate 1 or the L-shaped connecting plate 2, the rotating of the rotating shaft 64 drives the rotation of the outer thread three, the rotation of the outer thread three makes the sliding seat 65 move towards the driving knob 69, the movement of the sliding seat 65 drives the one end of the connecting rod 66 close to the center axis of the connecting barrel 61 to move, and then the one end of the connecting rod 66 away from the center axis of the connecting barrel 61 pushes the outer end of the pair of sliding plates 67 to move out, the movement of the sliding plate 67 drives the outer end of the outer support blocks 68 to move out, the four outer support blocks 68 on the side close to the driving knob 69 realize the stable outward support of the thread hole one 4, the four outer support blocks 68 on the side away from the driving knob 69 realize the stable outward support of the thread hole two 5, which further improves the stability of the connection between the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3;

[0030] The limiting mechanism 7 is arranged at one end of the connecting barrel 61 close to the square connecting plate 3, and comprises a partition plate 71, an internally-threaded barrel 72, an inclined seat 75 and a limiting plate 76. The partition plate 71 is fixedly connected at one end of the cavity 62 away from the driving knob 69, and the internally-threaded barrel 72 is fixedly connected inside the partition plate 71. Uniformly distributed guide rods two are fixedly connected between the outer surface of the internally-threaded barrel 72 close to the driving knob 69 and the inner wall of the cavity 62. The outer surface of the guide rods two is in sliding connection with one end of the sliding plate 67 away from the driving knob 69. Uniformly distributed guide rods three are fixedly connected between the outer surface of the internally-threaded barrel 72 away from the driving knob 69 and the inner wall of the cavity 62. The middle part of the outer surface of the guide rods three is in sliding connection with the inclined seat 75. The limiting plate 76 is fixedly connected at one end of the inclined seat 75 away from the central axis of the connecting barrel 61. The end of the connecting barrel 61 away from the driving knob 69 is provided with uniformly distributed sliding openings two, the inner part of which is in sliding connection with the outer surface of the limiting plate 76 radially adjacent. The limiting mechanism 7 further comprises a rotating barrel 73, an externally-threaded two 74 and a driving block 77. The outer surface of the rotating barrel 73 is provided with the externally-threaded two 74, which is in internal thread connection with the adjacent internally-threaded barrel 72. The driving block 77 is fixedly connected at one end of the outer surface of the rotating barrel 73 away from the driving knob 69. The end of the driving block 77 close to the driving knob 69 is provided with a conical surface, which is in cooperative installation with the adjacent inclined seat 75. The inner part of the rotating barrel 73 is provided with symmetrically distributed rib grooves, and the outer surface of the rotating shaft 64 is fixedly connected with symmetrically distributed ribs. The rib grooves are in sliding connection with the adjacent ribs. When the driving block 77 is rotated, it drives the adjacent rotating barrel 73 to rotate. The rotating barrel 73 moves forward under the action of the internally-threaded barrel 72, thereby driving the driving block 77 to move forward. The conical surface of the driving block 77 moves forward to push the adjacent four inclined seats 75 to move away from the central axis of the connecting barrel 61 under the guidance of the guide rods three. The inclined seat 75 moves outward to drive the corresponding limiting plate 76 to move outward. The limiting plate 76 slides out through the radially adjacent sliding openings two, and the limiting plate 76 and the driving knob 69 realize clamping of the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3.

[0031] The working principle of the steel bar high-tension butt joint structure is as follows: in working, two steel bars 11 that need to be horizontally or vertically connected are placed between the arc-shaped grooves 8 of the rectangular connecting plate 1 and the adjacent two square connecting plates 3, the stable clamping of the rectangular connecting plate 1 and the adjacent two square connecting plates 3 on the steel bars 11 is realized through the connecting mechanism 6, the steel bars 12 and 13 that need to be butt jointed at the ninety-degree corners are placed between the L-shaped rib grooves of the L-shaped connecting plate 2 and the arc-shaped grooves 8 of the corresponding two square connecting plates 3, the ninety-degree corner butt joint of the steel bars 12 and 13 is realized through the L-shaped connecting plate 2 and the corresponding square connecting plate 3 by the connecting mechanism 6, when the connecting mechanism 6 is connected, personnel first rotate the corresponding connecting barrel 61 through the driving knob 69, the connecting barrel 61 is screwed into the adjacent threaded hole one 4 and threaded hole two 5 under the action of the outer thread one of the outer arc surface, the preliminary connection of the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3 is realized, at the same time, the spring washer 10 arranged between the driving knob 69 and the rectangular connecting plate 1 or the L-shaped connecting plate 2 provides a damping effect for the connecting barrel 61 and the rectangular connecting plate 1 or the L-shaped connecting plate 2, then personnel rotate the driving block 77, the driving block 77 rotates to drive the adjacent rotating barrel 73 to rotate, the rotating barrel 73 moves forward under the action of the internal thread cylinder 72, thereby driving the driving block 77 to move forward, the conical surface of the driving block 77 moves forward to drive the adjacent four inclined seats 75 to move away from the central axis of the connecting barrel 61 under the guiding action of the guide rod three, the inclined seat 75 moves outward to drive the corresponding limiting plate 76 to move outward, the limiting plate 76 slides out through the radially adjacent sliding port two, the limiting plate 76 and the driving knob 69 realize the clamping of the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3, at the same time, the rotating of the rotating barrel 73 drives the rib groove to rotate, thereby driving the rotating shaft 64 to rotate through the rib, the rotating of the rotating shaft 64 drives the outer thread three to rotate, the rotating of the outer thread three makes the sliding seat 65 move towards the driving knob 69, the movement of the sliding seat 65 drives the one end of the connecting rod 66 close to the central axis of the connecting barrel 61 to move, thereby making the other end of the connecting rod 66 away from the central axis of the connecting barrel 61 to drive the sliding plate 67 to move outward, the sliding plate 67 moves outward to drive the outer support block 68 to move outward, the four outer support blocks 68 close to the driving knob 69 realize the stable outward support of the threaded hole one 4, the four outer support blocks 68 away from the driving knob 69 realize the stable outward support of the threaded hole two 5, and the stability of the connection between the rectangular connecting plate 1 or the L-shaped connecting plate 2 and the square connecting plate 3 is further improved.

[0032] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A high-tensile butt joint structure of reinforcing steel, characterised in that: It include rectangular connecting plate (1), connecting mechanism (6) and limiting mechanism (7); The rectangular connecting plate (1) is provided with square connecting plates (3) symmetrically distributed on the back side, and the front side of the rectangular connecting plate (1) is provided with an L-shaped connecting plate (2), the back side and the lower side of the L-shaped connecting plate (2) are also provided with square connecting plates (3), the inside of the rectangular connecting plate (1) and the L-shaped connecting plate (2) are provided with uniformly distributed screw holes (4), the inside of the square connecting plate (3) is provided with uniformly distributed screw holes (5), and the rectangular connecting plate (1) and the two square connecting plates (3) longitudinally adjacent are provided with reinforcing bars (11), the L-shaped connecting plate (2) and the square connecting plate (3) longitudinally adjacent are provided with reinforcing bars (12), and the L-shaped connecting plate (2) and the square connecting plate (3) vertically adjacent are provided with reinforcing bars (13); The connecting mechanism (6) comprises a connecting barrel (61) and a driving knob (69), and the outer surface of the connecting barrel (61) is provided with external threads one, which are screwed with the longitudinally adjacent screw holes (4) and screw holes (5), and the front end of the connecting barrel (61) in the horizontal state and the upper end of the connecting barrel (61) in the vertical state are fixedly connected with the driving knob (69); The limiting mechanism (7) is arranged on one end of the connecting barrel (61) close to the square connecting plate (3).

2. A high tensile butt joint structure of reinforcing bars as claimed in claim 1 wherein: The connecting mechanism (6) further comprises a cavity (62), a fixed barrel (63), a sliding seat (65), a connecting rod (66), a sliding plate (67) and an outer support block (68), the cavity (62) is arranged in the inside of the connecting barrel (61), one end of the cavity (62) close to the driving knob (69) is fixedly connected with the fixed barrel (63), the fixed barrel (63) and the inner wall of the cavity (62) are fixedly connected with uniformly distributed guide rods one, the outer surface of the guide rod one is slidably connected with the sliding plate (67), one end of the sliding plate (67) away from the center of the connecting barrel (61) is fixedly connected with symmetrically distributed outer support blocks (68), the outer arc surface of the connecting barrel (61) is provided with uniformly distributed sliding openings one, the inside of the sliding opening one is slidably connected with the outer surface of the radially adjacent outer support block (68), the inside of the cavity (62) is provided with the sliding seat (65), the middle part of the outer arc surface of the sliding seat (65) is rotatably connected with the connecting rod (66), and one end of the connecting rod (66) away from the center axis of the connecting barrel (61) is rotatably connected with one end of the radially adjacent sliding plate (67) close to the center axis of the connecting barrel (61).

3. A high tensile butt joint structure of reinforcing bars as claimed in claim 2 wherein: The connecting mechanism (6) further comprises a rotating shaft (64), which is rotatably connected in the inside of the fixed barrel (63), and the outer surface of the rotating shaft (64) is provided with external threads three, which are screwed with the inside of the adjacent sliding seat (65).

4. A high tensile butt joint structure of reinforcing bars as claimed in claim 3 wherein: The limiting mechanism (7) further includes a rotating cylinder (73), an outer thread two (74) and a driving block (77), the outer surface of the rotating cylinder (73) is provided with the outer thread two (74), the outer thread two (74) is in threaded connection with the inside of the adjacent inner threaded cylinder (72), the driving block (77) is fixedly connected to the outer surface of the rotating cylinder (73) away from the driving knob (69), the end of the driving block (77) close to the driving knob (69) is provided with a conical surface, the conical surface is matched and installed with the adjacent inclined seat (75), the inside of the rotating cylinder (73) is provided with symmetrically distributed rib grooves, the outer surface of the rotating shaft (64) is fixedly connected with symmetrically distributed ribs, and the rib grooves are in sliding connection with the adjacent ribs.

5. A high tensile butt joint structure of reinforcement as claimed in claim 4, wherein: The driving knob (69), the rectangular connecting plate (1) and the L-shaped connecting plate (2) are provided with spring washers (10), and the spring washers (10) are movably sleeved on the outer surface of the connecting cylinder (61).

6. A high tensile butt joint structure of reinforcement as claimed in claim 1, wherein: The rear end of the rectangular connecting plate (1), the front end of the square connecting plate (3) in the vertical state and the upper end of the square connecting plate (3) in the horizontal state are provided with arc-shaped grooves (8), the arc-shaped groove (8) on the rear side of the rectangular connecting plate (1) and the arc-shaped groove (8) on the front end of the two square connecting plates (3) on the rear side are matched and installed with the adjacent steel bars one (11), the rear end of the L-shaped connecting plate (2) is provided with an L-shaped rib groove (9), the L-shaped rib groove (9) and the arc-shaped groove (8) on the front end of the square connecting plate (3) on the front side are matched and installed with the steel bars two (12), and the L-shaped rib groove (9) and the arc-shaped groove (8) on the upper end of the square connecting plate (3) on the lower side are matched and installed with the steel bars three (13).

7. The high tensile butt joint structure of reinforcing bars as claimed in claim 1 wherein: ​