High-strength anti-loose sleeve for reinforcing steel bar connection and using method of high-strength anti-loose sleeve

Abstract

The invention discloses a high-strength anti-loose sleeve for steel bar connection and a using method. The high-strength anti-loose sleeve for steel bar connection comprises a sleeve body and a locking shaft sleeve. The two ends of the sleeve body are provided with steel bar guide grooves, and the inner walls of the steel bar guide grooves are provided with threads. Adhesion reinforcing cavities are formed in the inner sides of the steel bar guide grooves; a depth detection assembly is arranged between the adhesion reinforcing cavities; both ends of the sleeve body are pressurized and hooped; the locking shafts are sleeved at two ends of the sleeve body. The method comprises the steps of steel bar judgment; one end of the steel bar rotatably sleeves the locking shaft sleeve; the steel bar is rotated into the sleeve body, and the depth detection assembly detects whether insertion is complete; the locking shaft sleeve locks the reinforcing steel bar; the tightening screw is screwed into the tightening nut, and the circumferential surface of the sleeve body is pressurized through the folded steel wire; screws are screwed into the pressurizing holes and abut against the circumferential face of the reinforcing steel bar for pressurization. The connection strength between the sleeve body and the reinforcing steel bars is reinforced through the adhesion reinforcing cavity, and meanwhile, the stability and strength of reinforcing steel bar connection are guaranteed in cooperation with insertion depth detection and multiple pressurization looseness prevention.

Description

Technical Field

[0001] The invention belongs to the field of steel bar connection, and particularly relates to a high-strength anti-loosening sleeve for steel bar connection and a use method thereof. Background Art

[0002] In the field of construction engineering, steel bar connection technology is crucial, as it directly affects the stability and safety of the entire building structure.

[0003] Traditional steel bar connection methods, such as welding and binding, can achieve the connection purpose to a certain extent, but they face problems such as complex operation, low efficiency and high cost.

[0004] Traditional steel bar connection methods require professional skills and complex operating procedures, which increases the difficulty of construction and the risk of errors, takes a long time, and affects the overall construction progress. In addition, the connection strength is difficult to accurately control and is affected by multiple factors such as the operator's skill level and material quality, posing a safety hazard. At the same time, the depth of steel bar insertion is difficult to guarantee, affecting the stability of the connection.

[0005] Therefore, it is urgent to design a novel device and method to solve the above problems. Summary of the invention

[0006] Purpose of the invention: In order to overcome the above-mentioned deficiencies, the purpose of the present invention is to provide a high-strength anti-loosening sleeve for steel bar connection and a method of use. The connection strength between the sleeve body and the steel bar is strengthened by setting an adhesion reinforcement cavity, and at the same time, insertion depth detection and multiple pressurization anti-loosening are combined. A locking sleeve, a pressurization hoop and a pressurization hole are used to complete the pressurization of the steel bar to prevent loosening, thereby ensuring the stability and strength of the steel bar connection.

[0007] Technical solution: In order to achieve the above-mentioned purpose, the present invention provides a high-strength anti-loosening sleeve for steel bar connection, including a sleeve body and a locking sleeve, both ends of the sleeve body are provided with steel bar guide grooves, the inner wall of the steel bar guide grooves is provided with threads; the inner side of the steel bar guide grooves is an adhesion reinforcement cavity; a depth detection component is provided between the adhesion reinforcement cavities to detect whether the steel bar is fully inserted into the sleeve; both ends of the sleeve body are provided with pressure grooves; a pressure hoop is provided in the pressure groove; the pressure sleeve includes a steel wire, a tightening screw The steel wire is folded in half and arranged in a pressure groove; the tightening screw is threadedly connected to the tightening nut; a tightening baffle is provided at the tail of the tightening screw; the port end of the folded steel wire is arranged in the opening on the tightening nut and welded to the tightening screw; the other end of the folded steel wire is sleeved on the tail end of the tightening screw and is limited by the tightening baffle; a pre-connection port is provided beside the steel bar guide groove and is located at the two end surfaces of the sleeve body; the locking shaft is sleeved at the two ends of the sleeve body and is threadedly connected to the pre-connection port. The pressure hoop provides pressure to the circumference of the sleeve body to prevent the loosening of the steel bar connection.

[0008] Furthermore, the bonding reinforcement cavity is elliptical in shape, and the inner wall is filled with strong adhesive material. The bonding reinforcement cavity is elliptical in shape, which ensures the stability of the sleeve body structure and fills as much strong adhesive material as possible to ensure the bonding strength between the sleeve body and the steel bar.

[0009] Furthermore, the sleeve body is provided with two groups of pressurizing holes symmetrically on the periphery of the adhesion reinforcement cavity; the inner wall of the pressurizing hole is provided with threads. The threads on the inner wall of the pressurizing hole provide guidance for the subsequent screwing in, and provide support for the screw to rest on the periphery of the steel bar after being screwed in, to prevent the screw from slipping; at the same time, the sleeve body is provided with pressurizing holes symmetrically on the periphery of the adhesion reinforcement cavity, ensuring that the sleeve body is evenly stressed and the steel bar can be pressurized to prevent loosening to the greatest extent, thereby ensuring the connection strength.

[0010] Furthermore, a detection through hole is provided in the middle of the sleeve body; the depth detection assembly is arranged in the detection through hole. During assembly, the depth detection assembly is observed through the detection through hole, and if it is pushed out, it is completely inserted.

[0011] Furthermore, the depth detection component includes two connecting rods, a group of positioning brackets and a spring; the two connecting rods are connected in the middle by a spring; the connecting rod is arranged in the detection through hole; the positioning bracket is arranged on both sides of the connecting rod; the middle part of the positioning bracket protrudes from the detection through hole, and the edge is against the edge of the detection through hole.

[0012] Furthermore, during assembly, the positioning bracket is pushed by the steel bar, driving the two connecting rods to open and longitudinally stretch the spring at the same time.

[0013] Furthermore, the inner wall of the locking sleeve is provided with threads, and the pitch of the threads on the inner wall of the locking sleeve is equal to the pitch of the threads between the locking sleeve and the pre-connection port. The locking sleeve ensures that the steel bar is aligned and locked after being inserted into the sleeve body through the threads on its inner wall; the equal pitch of the threads enhances the connection strength between the steel bar and the sleeve body.

[0014] The present invention also provides a method for using a high-strength anti-loosening sleeve for connecting steel bars, comprising: S1): steel bar judgment, if there is a shape that does not meet the requirements, such as horseshoe or bending, replace the steel bar until it meets the requirements; S2): One end of the two steel bars is rotated and inserted into the locking sleeves on both sides, and then extended into the pre-connection port for pre-connection; S3): The steel bar is rotated into the sleeve body along the steel bar guide groove until the connecting rod is ejected from the detection through hole; S4): The locking sleeve is rotated along the steel bar thread until one end of the locking sleeve abuts against the end surface of the sleeve body to lock the steel bar; S5): The tightening screw is screwed into the tightening nut through the thread, and the two ends of the folded steel wire are respectively located on the tightening nut and the tightened baffle. As the tightening screw and the tightening nut are tightened, the folded steel wire presses the peripheral surface of the sleeve body; S6): Screw in the pressure hole and press against the steel bar surface to lock it.

[0015] It can be seen from the above technical solution that the present invention has the following beneficial effects: 1. The present invention provides a high-strength anti-loosening sleeve for steel bar connection and a method of use, which increases the connection strength between the sleeve body and the steel bar by setting an adhesion reinforcement cavity; 2. The high-strength anti-loosening sleeve for steel bar connection and the use method of the present invention ensure that the steel bar is fully inserted by coordinating the detection through hole and the depth detection component; 3. The present invention provides a high-strength anti-loosening sleeve for steel bar connection and a method of use, which cooperates with multiple pressurized anti-loosening settings, uses a locking sleeve, a pressurized sleeve and a pressurized hole to pressurize the steel bar to prevent loosening, thereby ensuring the stability and strength of the steel bar connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional schematic diagram of a high-strength anti-loosening sleeve for steel bar connection according to the present invention; Figure 2 It is a schematic structural diagram of a pressure hoop in a high-strength anti-loosening sleeve for connecting steel bars according to the present invention; Figure 3 It is a side view of a pressure hoop in a high-strength anti-loosening sleeve for connecting steel bars according to the present invention; Figure 4It is a schematic structural diagram of a locking sleeve in a high-strength anti-loosening sleeve for connecting steel bars according to the present invention; Figure 5 This is a schematic structural diagram of a depth detection assembly in a high-strength anti-loosening sleeve for steel bar connection according to the present invention; Figure 6 A step diagram of a method for using a high-strength anti-loosening sleeve for connecting steel bars according to the present invention; Figure 7 This is a flow chart of a method for using a high-strength anti-loosening sleeve for steel bar connection according to the present invention; In the figure: 1- sleeve body; 11-steel guide groove; 111-pre-connection port; 12-adhesion reinforcement cavity; 13-depth detection assembly; 131-connecting rod; 132-positioning bracket; 133-spring; 14- pressurized tank; 15-pressure hoop; 151-steel wire; 152-tightening nut; 153-tightening screw; 1531-tightening baffle; 16-locking sleeve; 17-Pressure hole 18- Detect through holes. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. Example

[0018] In this embodiment, Figures 1 to 3The present invention discloses a high-strength anti-loosening sleeve for steel bar connection, comprising a sleeve body 1 and a locking sleeve 16; both ends of the sleeve body 1 are provided with steel bar guide grooves 11, and the inner wall of the steel bar guide groove 11 is provided with threads; the inner side of the steel bar guide groove 11 is an adhesion reinforcement cavity 12; a depth detection component 13 is provided between the adhesion reinforcement cavities 12, for detecting whether the steel bar is completely inserted into the sleeve; both ends of the sleeve body 1 are provided with pressure grooves 14; a pressure hoop 15 is provided in the pressure groove 14; the pressure hoop 15 comprises a steel wire 151, a tightening nut 152 and a tightening screw 153; the steel wire 15 1 is folded in half and arranged in a surrounding manner in the pressure groove 14; the tightening screw 153 is threadedly connected with the tightening nut 152; a tightening baffle 1531 is provided at the tail of the tightening screw 153; the end of the folded steel wire 151 is arranged in the opening on the tightening nut 152 and is welded to the tightening screw 152; the other end of the folded steel wire 151 is sleeved on the tail end of the tightening screw 153 and is limited by the tightening baffle 1531; a pre-connection port 111 is provided on the side of the steel bar guide groove 11 and is located at the two end surfaces of the sleeve body 1; the locking shaft sleeve 16 is arranged at both ends of the sleeve body 1 and is threadedly connected with the pre-connection port 111.

[0019] Specifically, the thread design of the inner wall of the steel bar guide groove 11 cooperates with the thread of the connected steel bar to ensure that it can be rotated and locked along the steel bar.

[0020] In this embodiment, if Figure 1 The adhesion reinforcement cavity 12 is elliptical in shape, and the inner wall is filled with a strong adhesive material.

[0021] Specifically, epoxy resin is preferably selected as the strong adhesive material.

[0022] Specifically, the strong adhesive material in the bonding reinforcement cavity 12 can be injected from the pressurized hole after the steel bar is inserted.

[0023] In this embodiment, if Figure 1 The sleeve body 1 is symmetrically provided with two groups of pressurizing holes 17 on the circumference near the adhesion reinforcement cavity 12; the inner wall of the pressurizing hole 17 is provided with a thread.

[0024] Specifically, a locking screw is selected to be screwed into the inner wall of the pressurizing hole 17 in cooperation with the thread to pressurize the steel bar.

[0025] In this embodiment, if Figure 1 A detection through hole 18 is provided in the middle of the sleeve body 1 ; the depth detection component 13 is arranged in the detection through hole 18 .

[0026] In this embodiment, if Figure 1 and Figure 5The depth detection component 13 includes two connecting rods 131, a group of positioning brackets 132 and a spring 133; the two connecting rods 131 are connected in the middle by the spring 133; the connecting rod 131 is arranged in the detection through hole 18; the positioning bracket 132 is arranged on both sides of the connecting rod 131; the middle part of the positioning bracket 132 protrudes from the detection through hole 18, and the edge abuts against the edge of the detection through hole 18.

[0027] Specifically, during assembly, the positioning bracket 132 is pushed by the steel bar, driving the two sections of the connecting rod 131 to open, while longitudinally stretching the spring 133.

[0028] Specifically, the detection through hole 18 is opened according to the width of the depth detection component 13 to ensure that the upper edge of the connecting rod 131 is flush with the upper end of the detection through hole 18 when the positioning bracket 132 is fully upright.

[0029] In this embodiment, if Figure 4 The inner wall of the locking sleeve 16 is provided with threads, and the threads of the inner wall of the locking sleeve 16 and the thread pitch between the locking sleeve 16 and the pre-connection port 111 are equal.

[0030] Specifically, the thread design of the inner wall of the locking sleeve 16 cooperates with the thread of the connected steel bar to ensure that it can be rotated and locked along the steel bar.

[0031] In this embodiment, Figure 6 and Figure 7 The present invention also discloses a method for using a high-strength anti-loosening sleeve for connecting steel bars, comprising: S1): steel bar judgment, if there is a shape that does not meet the requirements, such as horseshoe or bending, replace the steel bar until it meets the requirements; S2): One end of the two steel bars is rotated and inserted into the locking sleeves 16 on both sides, and extends into the pre-connection port 111 for pre-connection; S3): The steel bar is rotated into the sleeve body 1 along the steel bar guide groove 11 until the connecting rod 131 is ejected from the detection through hole 18; S4): the locking sleeve 16 rotates along the steel bar thread until one end of the locking sleeve 16 abuts against the end surface of the sleeve body 1 to lock the steel bar; S5): The tightening screw 153 is screwed into the tightening nut 152 through a thread, and the two ends of the folded steel wire 151 are respectively located on the tightening nut 152 and limited by the tightening baffle 1531. As the tightening screw 153 and the tightening nut 152 are tightened, the folded steel wire 151 applies pressure to the peripheral surface of the sleeve body 1; S6): Screw into the pressure hole 17 and pressurize and lock it against the circumference of the steel bar.

[0032] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. A high-strength anti-loosening sleeve for steel bar connection, characterized in that: include A sleeve body (1), wherein both ends of the sleeve body (1) are provided with steel bar guide grooves (11), and the inner wall of the steel bar guide groove (11) is provided with threads; The inner side of the steel bar guide groove (11) is an adhesion reinforcement cavity (12); a depth detection component (13) is provided between the adhesion reinforcement cavities (12) for detecting whether the steel bar is completely inserted into the sleeve; Both ends of the sleeve body (1) are provided with pressure grooves (14); a pressure hoop (15) is provided in the pressure groove (14); The pressurizing sleeve (15) comprises a steel wire (151), a tightening nut (152) and a tightening screw (153); the steel wire (151) is folded in half and arranged in a circle in the pressurizing groove (14); the tightening screw (153) is threadedly connected to the tightening nut (152); a tightening baffle (1531) is provided at the tail of the tightening screw (153); the end of the folded steel wire (151) is arranged in an opening on the tightening nut (152) and is welded to the tightening screw (152); the other end of the folded steel wire (151) is sleeved on the tail of the tightening screw (153) and is limited by the tightening baffle (1531); The steel bar guide groove (11) is provided with a pre-connection opening (111) on the side thereof and is located at both end surfaces of the sleeve body (1); A locking sleeve (16) is provided at both ends of the sleeve body (1) and is threadedly connected to the pre-connection port (111).

2. The high-strength anti-loosening sleeve for steel bar connection according to claim 1, characterized in that: The adhesion reinforcement cavity (12) is elliptical in shape, and the inner wall is filled with a strong adhesive material.

3. The high-strength anti-loosening sleeve for steel bar connection according to claim 1, characterized in that: Two groups of pressurizing holes (17) are symmetrically arranged on the circumference of the sleeve body (1) near the adhesion reinforcement cavity (12); the inner walls of the pressurizing holes (17) are provided with threads.

4. The high-strength anti-loosening sleeve for steel bar connection according to claim 1, characterized in that: A detection through hole (18) is provided in the middle of the sleeve body (1); the depth detection component (13) is arranged in the detection through hole (18).

5. The high-strength anti-loosening sleeve for steel bar connection according to claim 1, characterized in that: The depth detection assembly (13) comprises two connecting rods (131), a group of positioning brackets (132) and a spring (133); The two connecting rods (131) are connected in the middle by a spring (133); the connecting rod (131) is arranged in the detection through hole (18); the positioning bracket (132) is arranged on both sides of the connecting rod (131); the middle part of the positioning bracket (132) protrudes from the detection through hole (18), and the edge abuts against the edge of the detection through hole (18).

6. The high-strength anti-loosening sleeve for steel bar connection according to claim 1, characterized in that: The inner wall of the locking sleeve (16) is provided with a thread, and the thread of the inner wall of the locking sleeve (16) and the thread pitch between the locking sleeve (16) and the pre-connection port (111) are equal.

7. A method for using a high-strength anti-loosening sleeve for steel bar connection, used to implement the high-strength anti-loosening sleeve for steel bar connection according to claims 1 to 6, characterized in that: include: S1): steel bar judgment, if there is a shape that does not meet the requirements, such as horseshoe or bending, replace the steel bar until it meets the requirements; S2): One end of the two steel bars is rotated and inserted into the locking sleeves (16) on both sides, and then extends into the pre-connection opening (111) for pre-connection; S3): the steel bar is rotated into the sleeve body (1) along the steel bar guide groove (11) until the connecting rod (131) is seen to be ejected from the detection through hole (18); S4): the locking sleeve (16) is rotated along the steel bar thread until one end of the locking sleeve (16) abuts against the end surface of the sleeve body (1), thereby locking the steel bar; S5): The tightening screw (153) is screwed into the tightening nut (152) through a thread, and the two ends of the folded steel wire (151) are respectively located on the tightening nut (152) and limited by the tightening baffle (1531). As the tightening screw (153) and the tightening nut (152) are tightened, the folded steel wire (151) applies pressure to the peripheral surface of the sleeve body (1); S6): Screw the screw into the pressure hole (17) and press it against the circumference of the steel bar to lock it.

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