CN214364449U

CN214364449U - Energy-saving grouting sleeve

Info

Publication number: CN214364449U
Application number: CN202023037048.XU
Authority: CN
Inventors: 王明杨; 梁绍辉
Original assignee: Chongqing Qifu Machinery Co Ltd
Current assignee: Chongqing Qifu Machinery Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-08
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a building grout sleeve technical field, concretely relates to energy-conserving grout sleeve, including grout sleeve body, the inside cavity that is equipped with of grout sleeve body, grout sleeve body be provided with the grout hole and the grout outlet of cavity intercommunication, the both ends of grout sleeve body are equipped with the sealing washer, the cylinder tube-shape spare is installed with grout outlet detachably in the grout hole of grout sleeve body, the interior passageway of cylinder tube-shape spare with the cavity intercommunication, the lateral wall symmetry of cylinder tube-shape spare is provided with the lug, the interlude of grout sleeve body lateral wall is equipped with trapezoidal bank of cells, trapezoidal bank of cells comprises a plurality of dovetail grooves, the both sides of trapezoidal bank of cells are straight portion, and the inner wall department of the cavity between two adjacent dovetail grooves adopts the arc design, still be provided with fixture in the cavity. The utility model discloses both be convenient for process, the operation is changed under the condition that the jam appears in the grout hole of also being convenient for, grout outlet.

Description

Energy-saving grouting sleeve

Technical Field

The utility model relates to a building grout sleeve technical field, concretely relates to energy-conserving grout sleeve.

Background

Compared with a cast-in-place concrete structure, the prefabricated concrete structure has the advantages of high construction speed, energy conservation, environmental protection, high production efficiency and the like, the prefabricated concrete structure is developed rapidly at home and abroad, the steel bar grouting sleeve belongs to a joint for connecting steel bars, the steel bar grouting sleeve has the advantages of high joint strength, good anti-seismic performance and the like, the prefabricated concrete structure is an important mode for constructing steel bar connection, in order to ensure the strength of the joint, the anchoring length of the steel bars at the grouting connecting end is not smaller than 8 times of the diameter of the steel bars, the length of the corresponding steel bar sleeve also meets the corresponding length requirement, the length of the existing steel bar grouting sleeve is longer, if the length of the grouting sleeve does not meet the requirement, the strength of the joint cannot meet the requirement, and the construction quality is influenced.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an energy-conserving grout sleeve solves above difficult problem.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an energy-conserving grout sleeve, includes grout sleeve body, the inside cavity that is equipped with of grout sleeve body, grout sleeve body be provided with the grout hole and the grout outlet of cavity intercommunication, grout sleeve body's both ends are equipped with the sealing washer, cylinder tube-shape spare is installed with grout outlet detachably in the grout hole of grout sleeve body, cylinder tube-shape spare the interior passageway with the cavity intercommunication, cylinder tube-shape spare's lateral wall symmetry is provided with the lug, the interlude of grout sleeve body lateral wall is equipped with trapezoidal groove group, trapezoidal groove group comprises a plurality of dovetail grooves, the both sides of trapezoidal groove group are straight portion, and the inner wall department of the cavity between two adjacent dovetail grooves adopts the arc design, still be provided with fixture in the cavity, fixture is used for the centre gripping reinforcing bar.

As optimization, fixture sets up including the symmetry two sets of cramping bodies in the cavity, and is two sets of be equipped with the actuating lever on the cramping body respectively, and is two sets of the actuating lever is used for driving two sets of the cramping body is close to each other or keeps away from the reinforcing bar, the one end of actuating lever is connected with the cramping body, the other end of actuating lever extends to the outside of grout sleeve body in the perforation that sets up on the grout sleeve body, and is in through the setting the mounting in grout sleeve body outside is fixed, the perforation department is equipped with sealing member (not sign in the picture) and prevents that grout material from spilling from the perforation.

As an optimization, the clamping body comprises a cross beam, the cross beam is arranged in parallel with the steel bars, a plurality of clamping rods which are symmetrical to each other are arranged on the cross beam and are respectively used for clamping the steel bars at two ends to be connected, the clamping rods are perpendicular to the cross beam, and the clamping rods are arranged in parallel with the driving rod.

As an optimization, the clamping rod comprises a force transmission end and a clamping end, the clamping end is of a V shape, the inner side of the clamping end is abutted to the steel bar, the clamping end is used for clamping two sides of the steel bar, one end of the force transmission end is fixedly connected with the small end of the clamping end, the other end of the force transmission end extends into a force transmission groove formed in the inner wall of the grouting sleeve body and is limited to move in the force transmission groove to drive the clamping end to clamp the steel bar or keep away from the steel bar, the force transmission groove is formed in the inner wall of the grouting sleeve body, and the depth of the force transmission groove is smaller than the thickness of the wall of the grouting sleeve body.

As an optimization, the grouting hole and the grout outlet are provided with internal threads, the cylindrical barrel-shaped part is provided with external threads, and the internal threads are matched with the external threads.

And optimally, annular limiting tables for limiting the cylindrical barrel-shaped parts are arranged at the bottoms of the grouting holes and the grout outlet holes.

Preferably, a flexible sealing gasket (not shown) is arranged between the annular limiting table and the cylindrical barrel.

And as optimization, the force transmission groove is positioned on the inner wall corresponding to the straight part of the grouting sleeve body.

Preferably, the distance from the cross rod to the inner wall of the grouting sleeve body is greater than the distance from one side, far away from the clamping end, of the force transmission end to the wall of the force transmission groove.

An energy-conserving grout sleeve has following technological effect:

1. the cylindrical barrel-shaped parts of the grouting hole and the grout outlet of the grouting sleeve body can be detached, so that the grouting sleeve is convenient to process and replace under the condition that the grouting hole and the grout outlet are blocked;

2. the arc-shaped design of the grouting sleeve body can effectively combine the grouting material reinforcing steel bars, the grouting sleeve body and the concrete into a whole, so that better strength is achieved;

3. by adopting the clamping mechanism, the anchoring length of the grouting connecting end steel bar can be shortened to 4-5 times of the diameter of the steel bar on the premise of ensuring the strength of the joint, so that the length of the grouting sleeve is shortened, the using amount of grouting slurry is saved, the grouting time is shortened, and the grouting device is efficient and energy-saving.

Drawings

Fig. 1 is a schematic structural view of an energy-saving grouting sleeve according to the present invention;

fig. 2 is a schematic structural view of the clamping bar of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

as shown in fig. 1-2, an energy-saving grouting sleeve comprises a grouting sleeve body 1, a cavity 1c is arranged inside the grouting sleeve body 1, the grouting sleeve body 1 is provided with a grouting hole 4a and a grout outlet 4b communicated with the cavity 1c, sealing rings 3 are arranged at two ends of the grouting sleeve body 1, a cylindrical barrel-shaped member 4 is detachably mounted at the grouting hole 4a and the grout outlet 4b of the grouting sleeve body 1, the cylindrical barrel-shaped member located at the grouting hole 4a is called a grouting hole cylindrical barrel-shaped member, the cylindrical barrel-shaped member located at the grout outlet 4b is called a grout outlet hole cylindrical barrel-shaped member, inner channels of the grouting hole cylindrical barrel-shaped member and the grout outlet hole cylindrical barrel-shaped member are communicated with the cavity 1c, lugs 4c are symmetrically arranged on the outer side wall of the cylindrical barrel-shaped member 4, the lugs can be conveniently screwed by holding the cylindrical barrel-shaped member by hand, and can be detachably assembled by adopting a thread structure, for example, the lug is a rod with external threads, the side wall of the cylindrical barrel-shaped part is provided with a corresponding internal threaded hole, so that selective assembly is facilitated, the middle section of the outer side wall of the grouting sleeve body 1 is provided with a trapezoidal groove group, the trapezoidal groove group is composed of a plurality of trapezoidal grooves 1a, two sides of the trapezoidal groove group are straight parts 1b, the inner wall of a cavity between every two adjacent trapezoidal grooves 1a is designed in an arc shape, the inner wall of the cavity is designed in an arc shape, so that the grouting material is an oval sphere in the stroke, the pressure can be enhanced from the mechanical angle, and a clamping mechanism is further arranged in the cavity 1c and used for clamping a reinforcing steel bar.

In this embodiment, fixture sets up including the symmetry two sets of cramping bodies in the cavity 1c, and is two sets of be equipped with actuating

lever

6, 6a on the cramping body respectively, be upper drive pole 6 and lower drive pole 6a in the picture, upper drive pole 6 and lower drive pole 6a are used for driving two sets of the cramping body is close to each other or keeps away from the reinforcing bar, the one end of actuating

lever

6, 6a is connected with the cramping body, and the other end of upper drive pole 6 and lower drive pole 6a extends to the outside of grout sleeve body 1 in the perforation that sets up respectively on grout sleeve body 1, and is in through setting up the mounting 7 in the grout sleeve body 1 outside is fixed, the perforation department is equipped with the sealing member (not sign in the picture), prevents that grout material from spilling from the perforation.

In this embodiment, the clamping body includes crossbeam 8, crossbeam 8 and reinforcing bar parallel arrangement, be equipped with the clamping rod 9 of a plurality of mutual symmetries on crossbeam 8, be used for the centre gripping respectively to treat the both ends reinforcing bar of connecting, clamping rod 9 with crossbeam 8 sets up perpendicularly, clamping rod 9 with actuating

lever

6, 6a parallel arrangement.

In this embodiment, the clamping rod 9 comprises a force transmission end 9a and a clamping end 9b, the clamping end 9b is V-shaped, the inner side of the clamping end 9b is abutted against the steel bar, the inner side of the clamping end is tangent to the radial section of the round steel bar, therefore, the clamping ends can clamp reinforcing steel bars with different diameters, the applicability of the grouting sleeve is expanded, the clamping ends 9b are used for clamping two sides of the reinforcing steel bars, one end of the force transmission end 9a is fixedly connected with the small end of the clamping end 9b, the other end of the force transmission end 9a extends into a force transmission groove 1d formed in the inner wall of the grouting sleeve body 1, and the force transmission groove 1d is limited to move in the force transmission groove 1d to drive the clamping end to clamp or keep away from the reinforcing steel bar, the force transmission groove 1d is arranged on the inner wall of the grouting sleeve body 1, and the depth of the force transmission groove 1d is smaller than the thickness of the wall of the grouting sleeve body 1. The reinforcing steel bar can be ribbed reinforcing steel bar, the clamping end is arranged between two adjacent reinforcing steel bar ribs, and the depth of the force transmission groove is 0.35-0.5 times of the thickness of the cylinder wall of the grouting sleeve body.

In this embodiment, the grout hole 4a and the grout outlet 4b are provided with internal threads, the cylindrical barrel-shaped member 4 is provided with external threads, and the internal threads are matched with the external threads. Of course, other configurations, such as a locking pin configuration, may be used to achieve the removable mounting.

In this embodiment, grout hole 4a, the hole bottom of grout outlet 4b are provided with carries out spacing annular spacing platform 5 to cylinder tube-shape spare 4, and the installation deviation can appear in the cylinder tube-shape spare installation to the spacing platform of annular.

In this embodiment, a flexible sealing gasket (not shown) is disposed between the annular limiting table 5 and the cylindrical barrel 4, so that the sealing performance can be effectively improved.

In this embodiment, pass power groove 1d and be located grout sleeve body 1 straight inner wall that the department corresponds, simple structure like this.

In this embodiment, the distance from the cross rod to the inner wall (the inner side of the arc) of the grouting sleeve body is greater than the distance from the force transmission end to the side, away from the clamping end, close to the groove wall of the force transmission groove, so that the contact between the cross rod and the arc inner wall of the grouting sleeve body can be prevented.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.

Claims

1. The energy-saving grouting sleeve is characterized by comprising a grouting sleeve body (1), wherein a cavity (1c) is arranged inside the grouting sleeve body (1), the grouting sleeve body (1) is provided with a grouting hole (4a) and a grout outlet (4b) which are communicated with the cavity (1c), sealing rings (3) are arranged at two ends of the grouting sleeve body (1), a cylindrical barrel-shaped part (4) is detachably arranged on the grouting hole (4a) and the grout outlet (4b) of the grouting sleeve body (1), an inner channel of the cylindrical barrel-shaped part (4) is communicated with the cavity (1c), lugs (4c) are symmetrically arranged on the outer side wall of the cylindrical barrel-shaped part (4), a trapezoidal groove group is arranged at the middle section of the outer side wall of the grouting sleeve body (1), the trapezoidal groove group is composed of a plurality of trapezoidal grooves (1a), and straight parts (1b) are arranged at two sides of the trapezoidal groove group, the inner wall of the cavity between two adjacent trapezoidal grooves (1a) is designed in an arc shape, and a clamping mechanism is further arranged in the cavity (1c) and used for clamping reinforcing steel bars.

2. The energy-saving grouting sleeve as claimed in claim 1, wherein the clamping mechanism comprises two groups of clamping bodies symmetrically arranged in the cavity (1c), two groups of clamping bodies are respectively provided with a driving rod (6, 6a), the two groups of driving rods (6, 6a) are used for driving the two groups of clamping bodies to approach to or depart from the steel bar, one end of each driving rod (6, 6a) is connected with the clamping body, the other end of each driving rod (6, 6a) extends to the outer side of the grouting sleeve body (1) from a through hole arranged on the grouting sleeve body (1) and is fixed through a fixing member (7) arranged on the outer side of the grouting sleeve body (1), and a sealing member is arranged at the through hole.

3. The energy-saving grouting sleeve as claimed in claim 2, wherein the clamping body comprises a cross beam (8), the cross beam (8) is arranged in parallel with the steel bar, a plurality of two clamping rods (9) which are symmetrical to each other are arranged on the cross beam (8), the clamping rods (9) are arranged perpendicular to the cross beam (8), and the clamping rods (9) are arranged in parallel with the driving rods (6, 6 a).

4. The energy-saving grouting sleeve as claimed in claim 3, wherein the clamping rod (9) comprises a force transmission end (9a) and a clamping end (9b), the clamping end (9b) is V-shaped, the inner side of the clamping end (9b) is abutted to the steel bar, one end of the force transmission end (9a) is fixedly connected with the small end of the clamping end (9b), the other end of the force transmission end (9a) extends into a force transmission groove (1d) formed in the inner wall of the grouting sleeve body (1) and is limited to move in the force transmission groove (1d), and the depth of the force transmission groove (1d) is smaller than the thickness of the wall of the grouting sleeve body (1).

5. An energy-saving grouting sleeve as claimed in claim 1, characterised in that the grouting holes (4a), the grout outlet (4b) are provided with internal threads, the cylindrical barrel (4) is provided with external threads, and the internal threads and the external threads match.

6. The energy-saving grouting sleeve as claimed in claim 1, wherein the bottoms of the grouting holes (4a) and the grout outlet (4b) are provided with annular limiting tables (5) for limiting the cylindrical barrel-shaped member (4).

7. An energy-saving grouting sleeve according to claim 6, characterised in that a flexible sealing gasket is arranged between the annular limiting table (5) and the cylindrical barrel (4).

8. An energy saving grouting sleeve according to claim 4, characterised in that the force transfer groove (1d) is located on the inner wall of the grouting sleeve body (1) corresponding to the straight part.