Grouting sleeve with defect correction function

Abstract

The invention discloses a grouting sleeve with a defect correction function, and relates to the technical field of assembly type structure grouting sleeves, the grouting sleeve comprises a main sleeve, the main sleeve is provided with a grouting hole and a slurry discharge hole, and the end, close to the grouting hole, of the inner wall of the main sleeve is provided with a piezoelectric sensor input end; a piezoelectric sensor output end is installed at the end, close to the slurry discharging hole, of the inner wall of the main sleeve, two limiting assemblies are symmetrically installed on the main sleeve, a threaded groove is formed in the inner wall of the end, away from the grouting hole, of the main sleeve, and a connecting sleeve is in threaded connection in the threaded groove. The assembling end reinforcing steel bar and the axial center of the main sleeve can be accurately centered, and the defect of the main sleeve caused by inclination, eccentricity and the like of the reinforcing steel bar is prevented; in the grouting process of the main sleeve, the internal grouting material can be monitored in real time through the built-in piezoelectric sensor input end and the built-in piezoelectric sensor output end, and the sleeve grouting defect caused by the situations that grouting is not full, holes appear and the like is overcome.

Description

Technical Field

[0001] The invention relates to the technical field of assembled structure grouting sleeves, and in particular to a grouting sleeve with a defect correction function. Background Art

[0002] Grouting sleeve is also called grouting sleeve joint or sleeve grouting joint. Grouting sleeve is a combination of specially processed sleeve, matching grouting material and steel bar. When connecting steel bar, fast-hardening non-shrinkage grouting material is injected to connect steel bar and sleeve by bonding and biting between materials. Sleeve grouting joint has the advantages of reliable performance, wide applicability and easy installation.

[0003] During the grouting process, the existing grouting sleeves are prone to defects such as misalignment between the inserted end steel bar and the sleeve center and incomplete grouting.

[0004] Therefore, there is an urgent need for a grouting sleeve with a defect correction function to solve the problems existing in the above-mentioned prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a grouting sleeve with a defect correction function to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides a grouting sleeve with a defect correction function, including a main sleeve, wherein a grouting hole and a grouting hole are respectively provided on the main sleeve, a piezoelectric sensor input end is installed on one end of the inner wall of the main sleeve close to the grouting hole, and a piezoelectric sensor output end is installed on one end of the inner wall of the main sleeve close to the grouting hole, two groups of limit assemblies are symmetrically installed on the main sleeve, and a threaded groove is provided on the inner wall of one end of the main sleeve away from the grouting hole, and a connecting sleeve is threadedly connected to the threaded groove.

[0007] Preferably, the limiting assembly includes a plurality of bolts distributed at equal intervals along the radial direction of the main sleeve, and the main sleeve is provided with a plurality of threaded holes matching the bolts.

[0008] Preferably, epoxy resin grooves are respectively provided at the grouting hole and the grouting hole, the epoxy resin grooves are located in the main sleeve, and the piezoelectric sensor input end and the piezoelectric sensor output end are respectively located in the epoxy resin grooves.

[0009] Preferably, the inner wall of the main sleeve is provided with a plurality of protrusions, and a shear groove is formed between two adjacent protrusions.

[0010] Preferably, the main sleeve and the connecting sleeve are made of 45# round steel.

[0011] Preferably, the bolts are M6 bolts.

[0012] The present invention discloses the following technical effects: when in use, the steel bar is inserted into the main sleeve, and the position of the steel bar is limited by the limit assembly, so as to maintain the center alignment; when grouting, real-time monitoring is performed through the piezoelectric sensor input end and the piezoelectric sensor output end to ensure the fullness of the grouting. The present invention can accurately align the steel bar at the assembly end with the axial center of the main sleeve to prevent defects in the main sleeve caused by the inclination and eccentricity of the steel bar; during the grouting process of the main sleeve, the internal grouting material can be monitored in real time through the built-in piezoelectric sensor input end and the piezoelectric sensor output end to prevent sleeve grouting defects caused by incomplete grouting and the appearance of holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the specific position of the epoxy resin groove of the present invention;

[0016] Figure 3 is a side view of the main sleeve of the present invention;

[0017] In the figure: 1. main sleeve; 2. grouting hole; 3. piezoelectric sensor input end; 4. bolt; 5. grouting hole; 6. piezoelectric sensor output end; 7. shear groove; 8. connecting sleeve; 9. epoxy resin groove; 10. protrusion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Reference Figure 1-Figure 3As shown, this embodiment provides a grouting sleeve with a defect correction function, including a main sleeve 1, on which a grouting hole 2 and a grouting hole 5 are respectively opened, a piezoelectric sensor input terminal 3 is installed on the end of the inner wall of the main sleeve 1 close to the grouting hole 2, and a piezoelectric sensor output terminal 6 is installed on the end of the inner wall of the main sleeve 1 close to the grouting hole 5, two groups of limit assemblies are symmetrically installed on the main sleeve 1, and a threaded groove is opened on the inner wall of the end of the main sleeve 1 away from the grouting hole 2, and a connecting sleeve 8 is threadedly connected in the threaded groove.

[0021] When in use, the steel bar is inserted into the main sleeve 1, and the position of the steel bar is limited by the limit assembly to keep the center aligned; during grouting, real-time monitoring is performed through the piezoelectric sensor input end 3 and the piezoelectric sensor output end 6 to ensure the fullness of the grouting. The present invention can accurately align the steel bar at the assembly end with the axial center of the main sleeve 1 to prevent defects in the main sleeve 1 caused by the inclination and eccentricity of the steel bar; during the grouting process of the main sleeve 1, the internal grouting material can be monitored in real time through the built-in piezoelectric sensor input end 3 and the piezoelectric sensor output end 6 to prevent sleeve grouting defects caused by incomplete grouting and the appearance of holes.

[0022] Furthermore, the wall thickness of the main sleeve 1 is 3 mm, the minimum inner diameter of the main sleeve 1 is 30 mm, and the maximum outer diameter is 42 mm, which is suitable for steel bars with a diameter of 16 mm.

[0023] In a further optimized solution, the limit assembly includes a plurality of bolts 4 distributed at equal intervals along the radial direction of the main sleeve 1, and the main sleeve 1 is provided with a plurality of threaded holes matching the bolts 4. Each set of limit assemblies preferably includes 4 bolts 4, for a total of 8 bolts 4, to ensure that the steel bars at the assembly end are aligned, which is achieved by screwing in the same length of the 8 bolts 4.

[0024] According to a further optimization scheme, epoxy resin grooves 9 are respectively provided at the grouting hole 2 and the grouting hole 5, the epoxy resin grooves 9 are located in the main sleeve 1, and the piezoelectric sensor input terminal 3 and the piezoelectric sensor output terminal 6 are respectively located in the epoxy resin grooves 9. The epoxy resin grooves 9 are used to place the piezoelectric sensor input terminal 3 and the piezoelectric sensor output terminal 6.

[0025] According to a further optimized solution, a plurality of protrusions 10 are provided on the inner wall of the main sleeve 1 , and a shear groove 7 is formed between two adjacent protrusions 10 .

[0026] According to a further optimized solution, the main sleeve 1 and the connecting sleeve 8 are made of 45# round steel.

[0027] Further optimization scheme, bolt 4 uses M6 bolt 4. The center line of one M6 bolt 4 in any group is 20 mm to the right of the center line of grouting hole 2, and the other three M6 bolts 4 are evenly spaced; the center line of one M6 bolt 4 in the other group is 20 mm to the left of the center line of grouting hole 5, and the other three M6 bolts 4 are evenly spaced.

[0028] Steps:

[0029] The main sleeve and the connecting sleeve are both made of 45# round steel. The main sleeve 1 is processed with grouting holes 2, grouting holes 5, and threaded holes 4 for M6 bolts.

[0030] The connecting sleeve 8 is threaded at the anchor end with a pitch of 2 mm, and is used to connect the threaded steel bar at the anchor end with a diameter of 16 mm and with a thread treatment;

[0031] Assemble the processed main sleeve 1 and connecting sleeve 8 and 8 M6 bolts 4 together;

[0032] At the corresponding position of the connected pitching sleeve (see Figure 2 ) Set an epoxy resin groove 9. After the epoxy resin groove 9 solidifies, apply epoxy resin to the piezoelectric sensor input end 3 and the piezoelectric sensor output end 6 respectively, and put them into the epoxy resin groove 9 before the epoxy resin is completely solidified.

[0033] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A grouting sleeve with a self-contained defect correction function, characterized in that: The invention comprises a main sleeve (1), wherein a grouting hole (2) and a grouting discharge hole (5) are respectively provided on the main sleeve (1), a piezoelectric sensor input end (3) is installed on one end of the inner wall of the main sleeve (1) close to the grouting hole (2), and a piezoelectric sensor output end (6) is installed on one end of the inner wall of the main sleeve (1) close to the grouting hole (5), two groups of limit assemblies are symmetrically installed on the main sleeve (1), and a threaded groove is provided on the inner wall of one end of the main sleeve (1) away from the grouting hole (2), and a connecting sleeve (8) is threadedly connected in the threaded groove.

2. The grouting sleeve with self-contained defect correction function according to claim 1 is characterized in that: The limiting assembly comprises a plurality of bolts (4) distributed at equal intervals along the radial direction of the main sleeve (1), and the main sleeve (1) is provided with a plurality of threaded holes matching the bolts (4).

3. The grouting sleeve with self-contained defect correction function according to claim 1 is characterized in that: The grouting hole (2) and the grouting hole (5) are respectively provided with epoxy resin grooves (9), the epoxy resin grooves (9) are located in the main sleeve (1), and the piezoelectric sensor input end (3) and the piezoelectric sensor output end (6) are respectively located in the epoxy resin grooves (9).

4. The grouting sleeve with self-contained defect correction function according to claim 1 is characterized in that: The inner wall of the main sleeve (1) is provided with a plurality of protrusions (10), and a shear groove (7) is formed between two adjacent protrusions (10).

5. The grouting sleeve with self-contained defect correction function according to claim 1 is characterized in that: The main sleeve (1) and the connecting sleeve (8) are made of 45# round steel.

6. The grouting sleeve with self-contained defect correction function according to claim 2, characterized in that: The bolt (4) is an M6 bolt (4).

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