Concrete prefabricated part anchoring type hoisting grouting embedded part

Abstract

The utility model discloses an anchoring type hoisting grouting embedded part for a precast concrete component, which relates to the technical field of precast concrete components and comprises a pre-embedded hoisting nail and a locking nut, and the pre-embedded hoisting nail consists of a circular forging head, a hoisting rod and a W-shaped hooking head; the pre-embedded hanging nail is hung on a reinforcing steel bar frame of the concrete prefabricated part through two grooves in the top of the W-shaped hook head, and the locking nut is screwed downwards to extrude the reinforcing steel bar frame, so that the pre-embedded hanging nail is fixedly connected with the reinforcing steel bar frame of the concrete prefabricated part; an outer sleeve assembly is further arranged on the outer side of the round forging head and the outer side of the hanging rod and used for forming a conical groove when the concrete prefabricated part is poured. According to the pre-embedded hanging nail, the pre-embedded hanging nail with the W-shaped hook head and the locking nut are arranged, so that the pre-embedded hanging nail can be fixedly connected with the concrete prefabricated part reinforcing steel bar frame, the position deviation of the pre-embedded hanging nail can be effectively avoided, and the mounting convenience and stability of the pre-embedded hanging nail are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a concrete prefabricated component anchoring type hoisting grouting embedded part. BACKGROUND

[0002] The prefabricated concrete component hoisting scene includes stripping and transportation in the component production stage, overturning and installation in the field construction stage, and the mode of lifting with the embedded lifting bolt and the special lifting appliance is the most commonly used prefabricated concrete lifting technology in engineering practical application due to the characteristics of quick lifting and safety and reliability.

[0003] The round head embedded lifting bolt is a commonly used embedded lifting bolt, the round head of the end of the round head embedded lifting bolt is used for hooking, the special duckbill buckle lifting appliance is matched, quick hooking can be realized, the lifting load is transmitted to the concrete through the round end anchor of the other end of the lifting bolt, and the prefabricated concrete component can be well connected with the round head embedded lifting bolt after pouring and forming, but the following problems still exist in actual operation.

[0004] The position of the round head embedded lifting bolt is not easy to fix during installation, leading to the position deviation of the round head embedded lifting bolt during pouring of the concrete, based on this, the concrete prefabricated component anchoring type hoisting grouting embedded part is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the problem in the above background, provide a kind of concrete prefabricated component anchoring type hoisting grouting embedded part.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of concrete prefabricated component anchoring type hoisting grouting embedded part, including embedded lifting bolt, the embedded lifting bolt is composed of round head, lifting rod, W type hook head, the round head, lifting rod, W type hook head are sequentially connected and fixed from top to bottom;

[0007] The bottom outer side of the lifting rod is formed with external thread, and the lifting rod is connected with a locking nut by external thread threading;

[0008] The top two grooves of the W type hook head are hung on the steel reinforcement frame of the concrete prefabricated component, and the locking nut is screwed down to extrude the steel reinforcement frame, to realize the fixed connection of the embedded lifting bolt and the steel reinforcement frame of the concrete prefabricated component;

[0009] The outer side of the round head and the lifting rod is further provided with a sleeve assembly, and the sleeve assembly is used to form a tapered groove when the concrete prefabricated component is poured.

[0010] As a further scheme of the utility model: the sleeve assembly includes a semicircular ring block and a tapered sleeve.

[0011] The outer side of the circular forging head is formed with a threaded groove, the conical sleeve is threadedly connected to the threaded groove, and the conical sleeve extends outwards to the outer side of the suspender;

[0012] The two semicircular ring blocks are symmetrically distributed and sleeved to the outer side of the suspender, and the two semicircular ring blocks are filled and sealed to the bottom opening of the limiting convex ring, so that the semicircular ring blocks and the limiting convex ring are used to prevent concrete from wrapping the top of the suspender and the circular forging head during concrete pouring.

[0013] As a further scheme of the utility model, the outer side of the position where the suspender contacts the semicircular ring block is formed with an annular groove, and the inner side of the semicircular ring block is formed with a limiting convex ring matched with the annular groove.

[0014] As a further scheme of the utility model, the inner diameter of the two semicircular ring blocks is matched with the outer diameter of the suspender, and the outer diameter of the two semicircular ring blocks is matched with the inner diameter of the limiting convex ring.

[0015] As a further scheme of the utility model, the bottom of the conical sleeve is provided with a polygonal hole for inserting a tool, and the inner side of the top of the conical sleeve is provided with a threaded part matched with the threaded groove.

[0016] As a further scheme of the utility model, the bottom of the suspender is lower than the horizontal height of the two ends of the W-shaped hook head, and the outer wall of the locking nut does not contact the inner wall side of the top groove of the W-shaped hook head.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] By arranging the embedded suspender with the W-shaped hook head and the locking nut, the embedded suspender and the steel reinforcement frame of the concrete prefabricated component can be connected and fixed, the position deviation of the embedded suspender can be effectively avoided, and the installation convenience and stability of the embedded suspender are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic view of the utility model;

[0020] Fig. 2 It is a structural sectional view of the conical sleeve of the utility model;

[0021] Fig. 3 It is a sectional split view of the outer sleeve assembly of the utility model.

[0022] In the drawing: 1, embedded suspender; 101, circular forging head; 102, suspender; 103, W-shaped hook head; 104, threaded groove; 105, annular groove; 106, external thread; 2, locking nut; 3, outer sleeve assembly; 301, semicircular ring block; 302, limiting convex ring; 303, conical sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figs. 1-3 In the embodiments of the utility model, a concrete prefabricated component anchoring type hoisting grouting embedded part comprises a pre-buried lifting bolt 1, the pre-buried lifting bolt 1 is composed of a round forged head 101, a lifting rod 102 and a W-shaped hook head 103, and the round forged head 101, the lifting rod 102 and the W-shaped hook head 103 are sequentially connected and fixed from top to bottom.

[0025] An external thread 106 is formed on the bottom outer side of the lifting rod 102, and the lifting rod 102 is screw-connected with a locking nut 2 through the external thread 106.

[0026] The top two recesses of the W-shaped hook head 103 are hung on the reinforcement frame of the concrete prefabricated component, and the locking nut 2 is screwed down to press the reinforcement frame, so as to realize the fixed connection between the pre-buried lifting bolt 1 and the reinforcement frame of the concrete prefabricated component.

[0027] An outer sleeve assembly 3 is further arranged on the outer side of the round forged head 101 and the lifting rod 102, and the outer sleeve assembly 3 is used to form a tapered groove when the concrete prefabricated component is poured.

[0028] The outer sleeve assembly 3 comprises a semicircular ring block 301 and a tapered sleeve 303.

[0029] An external thread groove 104 is formed on the outer side of the round forged head 101, and the tapered sleeve 303 is screw-connected in the external thread groove 104, and the tapered sleeve 303 extends and protrudes to the outer side of the lifting rod 102.

[0030] Two semicircular ring blocks 301 are arranged, and the two semicircular ring blocks 301 are symmetrically distributed and sleeved on the outer side of the lifting rod 102, and the bottom openings of the two semicircular ring blocks 301 are formed to be blocked and filled by limiting convex rings 302, so that the semicircular ring blocks 301 and the limiting convex rings 302 are used to avoid the wrapping of the concrete on the top of the lifting rod 102 and the round forged head 101 when the concrete is poured.

[0031] The inner diameter of the two semicircular ring blocks 301 matches the outer diameter of the lifting rod 102, the outer diameter of the two semicircular ring blocks 301 matches the inner diameter of the limiting convex ring 302, a polygonal hole for inserting a tool is formed in the bottom of the tapered sleeve 303, and a thread part matching the external thread groove 104 is formed on the inner side top of the tapered sleeve 303.

[0032] In the present embodiment: the operation method of the embedded lifting bolt 1 during installation is as follows:

[0033] First, the outer sleeve assembly 3 is assembled with the embedded lifting bolt 1, the two semicircular ring blocks 301 are symmetrically sleeved on the outer side of the suspender 102 and are in contact with the bottom of the circular forged head 101, then the conical sleeve 303 is sleeved with the circular forged head 101 and is screwed and tightened, the conical sleeve 303 completely wraps the circular forged head 101 and the two semicircular ring blocks 301, and the two semicircular ring blocks 301 form a blockage to the space at the bottom of the conical sleeve 303;

[0034] Then, the embedded lifting bolt 1 is fixed on the reinforcing frame of the concrete prefabricated component, the W-shaped hooking head 103 is inserted between the two steels and is moved downward below the two steels, then the embedded lifting bolt 1 is rotated horizontally by 90 degrees, the W-shaped hooking head 103 is deflected by 90 degrees, the two grooves on the W-shaped hooking head 103 are aligned with the two steels, then the embedded lifting bolt 1 is pulled upward, and the two grooves on the W-shaped hooking head 103 are hung on the two steels;

[0035] Then, the locking nut 2 is screwed again to move downward, finally the locking nut 2 is pressed and combined with the upper surfaces of the two steels, thereby realizing the fixation of the embedded lifting bolt 1;

[0036] During the pouring of concrete, the concrete wraps and fixes the embedded lifting bolt 1, the locking nut 2 and the outer sleeve assembly 3, the outer sleeve assembly 3 can effectively avoid the wrapping of the concrete on the circular forged head 101 and the top of the suspender 102, after the concrete solidifies, the conical sleeve 303 is loosened and removed by a tool, then the two semicircular ring blocks 301 are removed, so that the circular forged head 101 is exposed, thereby facilitating the subsequent lifting operation (it should be noted that the outer wall of the conical sleeve 303 and the semicircular ring block 301 is coated with a release agent before pouring the concrete).

[0037] Please refer to Fig. 3 , the outer side of the contact position between the suspender 102 and the semicircular ring block 301 is formed with an annular groove 105, and the inner side of the semicircular ring block 301 is formed with a limiting convex ring 302 matched with the annular groove 105.

[0038] In the present embodiment: the limiting convex ring 302 and the annular groove 105 are mutually clamped, which can provide vertical limiting for the semicircular ring block 301, avoid the semicircular ring block 301 from moving downward when the conical sleeve 303 is screwed and tightened, and thereby ensure the position stability of the semicircular ring block 301.

[0039] Please refer to Figs. 1-3 , the bottom of the suspender 102 is lower than the horizontal height of the two ends of the W-shaped hooking head 103, and the outer wall of the locking nut 2 does not contact the inner wall side of the top groove of the W-shaped hooking head 103.

[0040] In the embodiment, the locking nut 2 can be moved downward to the inside of the groove on the top of the W-shaped hook head 103, so as to be clamped and fixed with steel bars of different diameters, thereby effectively improving the application range of the embedded hanging bolt 1.

[0041] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A precast concrete element anchoring type lifting and grouting embedded part comprising a pre-embedded lifting bolt (1), characterized in that, The pre-buried hanging nail (1) is composed of a round forged head (101), a hanging rod (102) and a W-shaped hook head (103), which are sequentially connected and fixed from top to bottom. An outer thread (106) is formed on the bottom outer side of the hanging rod (102), and a locking nut (2) is threadedly connected to the hanging rod (102) through the outer thread (106). The W-shaped hook head (103) is hung on a steel bar frame of the concrete prefabricated component through two top grooves of the W-shaped hook head (103), and the locking nut (2) is screwed downward to press the steel bar frame, so as to realize the fixed connection of the pre-buried hanging nail (1) and the steel bar frame of the concrete prefabricated component. An outer sleeve assembly (3) is further arranged on the outer side of the round forged head (101) and the hanging rod (102), which is used to form a tapered groove when the concrete prefabricated component is poured.

2. The precast concrete component anchoring type lifting and grouting embedded part according to claim 1, characterized in that, The outer sleeve assembly (3) comprises a semicircular ring block (301) and a tapered sleeve (303). A threaded groove (104) is formed on the outer side of the round forged head (101), and the tapered sleeve (303) is threadedly connected to the threaded groove (104), and the tapered sleeve (303) extends outwardly from the outer side of the hanging rod (102). Two semicircular ring blocks (301) are symmetrically arranged on the outer side of the hanging rod (102), and the bottom openings of the two semicircular ring blocks (301) are filled and blocked, so that the top of the hanging rod (102) and the round forged head (101) are prevented from being wrapped by the concrete when the concrete is poured.

3. A precast concrete member anchorage type lifting and grouting embedded part according to claim 2, characterized in that, An annular groove (105) is formed on the outer side of the position where the hanging rod (102) contacts the semicircular ring block (301), and a limiting convex ring (302) matched with the annular groove (105) is formed on the inner side of the semicircular ring block (301).

4. The precast concrete component anchoring type lifting and grouting embedded part according to claim 2, characterized in that, The inner diameter of the two semicircular ring blocks (301) matches the outer diameter of the hanging rod (102), and the outer diameter of the two semicircular ring blocks (301) matches the inner diameter of the limiting convex ring (302).

5. The precast concrete component anchoring type lifting and grouting embedded part according to claim 2, characterized in that, A polygonal hole for inserting a tool is formed in the bottom of the tapered sleeve (303), and a threaded portion matched with the threaded groove (104) is formed on the inner top of the tapered sleeve (303).

6. The precast concrete component anchoring type lifting and grouting embedded part according to claim 1, characterized in that, The bottom horizontal height of the hanging rod (102) is lower than the horizontal height of the two ends of the W-shaped hook head (103), and the outer wall of the locking nut (2) does not contact the inner wall side of the top groove of the W-shaped hook head (103).

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