Butt joint connecting device of reinforcement cage

Abstract

The utility model relates to the technical field of building construction, and discloses a butt joint connecting device of reinforcement cages, which comprises a connecting circular sleeve for connecting two reinforcement cages, the connecting circular sleeve comprises a ring seat and a plurality of connecting cylinders uniformly distributed along the axial direction of the ring seat, the number of the connecting cylinders is the same as that of vertical reinforcements of the connected reinforcement cages, and the connecting cylinders are connected with the ring seat. Inserting grooves are formed in the upper end and the lower end of the connecting cylinder, inserting pieces are installed at the ends of vertical steel bars of the steel reinforcement cage, and the inserting pieces can stretch into the inserting grooves and are fixed. According to the utility model, the problem that time and labor are wasted due to the fact that the butt joint points of the two reinforcement cages are kept in a mutual abutting state for a long time is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a butt connection device for a steel cage. Background Art

[0002] During the construction of bridges, culverts or high-rise buildings, the foundation may be required to be piled according to the requirements. The method is to use machine punching and water grinding to drill holes, and the hole depth meets the design requirements, and then lower the steel cage into the pile hole, and then insert the guide tube to pour concrete. In addition, when the concrete structure is a columnar or strip-shaped component, the central part does not need to be reinforced, and steel bars are only arranged under the surface of the concrete component that contacts the air. If this component is independent, we pre-fabricate the steel bars set around this component. Usually, we call the pre-fabricated steel structures such as bored piles, bored piles, and columns steel cages. In the prior art, the butt connection method of the steel cage is usually connected by welding, so that the connection lengthens the length of the steel cage.

[0003] Chinese patent 201320527854.6 discloses "Connection structure of pile foundation steel cage reinforcement", publication number CN203475704U, the utility model discloses a connection structure of pile foundation steel cage reinforcement, including a first segment steel cage and a second segment steel cage, the first segment steel cage includes a plurality of first longitudinal steel bars in a ring shape, the second segment steel cage includes a plurality of second longitudinal steel bars in a ring shape, and also includes a sleeve with internal threads, the first longitudinal steel bar and the second longitudinal steel bar are provided with external threads at both ends, and the two ends of the sleeve are respectively connected with the first longitudinal steel bar and the second longitudinal steel bar by threads. However, during the use of this structure, it is necessary to keep the butt connection points of the two steel cages in a state of abutting each other for a long time, which will consume a lot of manpower and time, making the butt connection method of the steel cage inconvenient to operate. At the same time, workers are required to align and thread each steel bar together, which is time-consuming and laborious. Utility Model Content

[0004] In order to solve the above problems of the prior art, the utility model provides a butt-jointed connection device for a steel cage, which solves the problem that the butt-jointed connection points of two steel cages remain in abutment with each other for a long time, which is time-consuming and labor-intensive.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a butt connection device for a steel cage, comprising a connecting circular sleeve connecting two steel cages, the connecting circular sleeve comprising a ring seat and a plurality of connecting tubes evenly distributed along the axial direction of the ring seat, the connecting tubes having the same number of vertical steel bars as the connected steel cage, slots being provided at the upper and lower ends of the connecting tubes, plug-ins being installed at the ends of the vertical steel bars of the steel cage, and the plug-ins being able to extend into the slots and be fixed.

[0006] By adopting the above structural design, the vertical steel bars of the two steel cages are aligned and connected by setting a connecting sleeve to form an integral structure. The plug-in set on the steel cage can be directly inserted into the slot of the connecting sleeve and fixed, which simplifies the connection steps and solves the problem that the docking connection points of the two steel cages remain in a state of abutment with each other for a long time, which is time-consuming and labor-intensive.

[0007] Preferably, a movable groove is provided on the inner side wall of the connecting tube, a telescopic spring is placed in the movable groove, one end of the telescopic spring is fixedly connected to the movable groove, and the other end of the telescopic spring is fixedly connected to a limiting block, and a limiting groove matching with the limiting block is provided on the outer side wall of the plug-in, and the limiting block can extend into the limiting groove to fix the plug-in in the connecting tube.

[0008] With the above structural design, the limit block and the limit groove cooperate to form a mortise and tenon structure. The limit block and the limit groove are engaged with each other. The structural connection is simple and easy to plug in. No other tools or large external force are required to complete the quick connection of the two sections of the steel cage, which saves the time of inserting the steel cage into the connecting sleeve and facilitates construction for construction workers.

[0009] Preferably, the ends of the vertical steel bars of the steel cage are provided with external threads, one end of the plug-in is provided with a circular groove, the circular groove is provided with an internal thread matching the external thread, and the plug-in is threadedly connected to the vertical steel bars of the steel cage.

[0010] With the above structural design, the plug-in is threadedly connected to the end of the vertical steel bar of the steel cage, the connection is tight and easy to assemble and disassemble, and it is convenient for the subsequent connection between the steel cage and the connecting round sleeve.

[0011] Preferably, a guiding inclined surface is provided on one side of the limiting block facing the slot notch, and the shape and number of the limiting slot are consistent with those of the limiting block.

[0012] With the above structural design, a guiding slope is provided on one side of the limit block facing the slot notch, so that the limit block can be pushed into the movable slot when the plug-in is inserted into the slot. When the plug-in is fully inserted into the slot, the limit block extends into the limit slot through the elastic force of the telescopic spring to relatively fix the connecting tube and the plug-in.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting a connecting sleeve, the vertical steel bars of the two steel cages are aligned and connected to form an overall structure. The plug-in set on the steel cage can be directly inserted into the slot of the connecting sleeve and fixed. The limit block and the limit groove cooperate to form a mortise and tenon structure. The limit block and the limit groove are engaged with each other. The structural connection is simple and the plug-in is convenient. The two sections of the steel cage can be quickly connected without other tools and large external force, which saves the time of inserting the steel cage into the connecting sleeve and is convenient for construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the connection of the steel cage of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the connecting sleeve of the utility model;

[0017] Figure 3 This is an internal cross-sectional view of the connecting tube of the utility model;

[0018] Figure 4 It is an internal cross-sectional view of the plug-in of the utility model;

[0019] Figure 5 It is a connection schematic diagram of the connecting tube and the plug-in unit of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution: a butt connection device for a steel cage, comprising a connecting sleeve 2 for connecting two steel cages 1, the connecting sleeve 2 comprising a ring seat 21 and a plurality of connecting tubes 22 uniformly distributed along the axial direction of the ring seat 21, the ring seat 21 being composed of two circular rings with different diameters, the small circular ring being located inside the large circular ring, the connecting tube 22 being welded between the small circular ring and the large circular ring, the connecting tube 22 having the same number as the vertical steel bars of the connected steel cage 1, the upper and lower ends of the connecting tube 22 being provided with slots 221, the ends of the vertical steel bars of the steel cage 1 being provided with plug-ins 3, the plug-ins 3 being able to extend into the slots 221 and be fixed. By setting the connecting sleeve 2, the vertical steel bars of the two steel cages 1 are aligned and connected to form an integral structure, the plug-ins provided on the steel cage 1 can be directly inserted into the slots 221 of the connecting sleeve 2 and be fixed, simplifying the connection steps and solving the problem that the butt connection points of the two steel cages 1 are kept in a state of abutting each other for a long time, which is time-consuming and labor-intensive.

[0022] A moving groove 225 is provided on the inner side wall of the connecting tube 22. The moving groove 225 is symmetrically arranged and has three layers from top to bottom. A telescopic spring 223 is placed in the moving groove 225. One end of the telescopic spring 223 is fixedly connected to the moving groove 225. The other end of the telescopic spring 223 is fixedly connected to the limiting block 222. A limiting groove 31 matching with the limiting block 222 is provided on the outer side wall of the plug-in 3. The limiting block 222 can extend into the limiting groove 31 to fix the plug-in 3 in the connecting tube 22. The limiting block 222 and the limiting groove 31 cooperate to form a mortise and tenon structure. The limiting block 222 and the limiting groove 31 are engaged with each other. The structural connection is simple and the plug-in is convenient. The two sections of the steel cage 1 can be quickly connected without other tools and large external forces, which saves the time of inserting the steel cage 1 into the connecting sleeve and is convenient for construction personnel.

[0023] The end of the vertical steel bar of the steel cage 1 is provided with an external thread 11, one end of the plug 3 is provided with a circular groove, and the circular groove is provided with an internal thread 32 that matches the external thread 11, and the plug 3 is threadedly connected to the vertical steel bar of the steel cage 1. The plug 3 is threadedly connected to the end of the vertical steel bar of the steel cage 1, and the connection is tight and easy to assemble and disassemble, which is convenient for the subsequent connection of the steel cage 1 and the connecting sleeve 2.

[0024] The side of the limit block 222 facing the slot 221 is provided with a guide slope 226, and the shape and number of the limit slot 31 are the same as those of the limit block 222. The side of the limit block 222 facing the slot 221 is provided with a guide slope 226, which facilitates the limit block 222 to be pushed into the moving groove 225 when the plug 3 is inserted into the slot 221. When the plug 3 is fully inserted into the slot 221, the limit block 222 is extended into the limit groove 31 by the elastic force of the telescopic spring 223 to relatively fix the connecting tube 22 and the plug 3.

[0025] Working principle: The construction personnel first thread the vertical steel bars of the two steel cages 1 to be connected to the plug-in 3, then lower one steel cage 1 into the pile hole, place the connecting sleeve 2 on the lowered steel cage 1, align the connecting tube 22 on the connecting sleeve 2 with the vertical steel bars of the steel cage 1, insert the plug-in 3 into the slot 221, and the limit block 222 extends into the limit groove 31. The limit block 222 and the limit groove 31 cooperate to form a mortise and tenon structure, and the limit block 222 and the limit groove 31 are engaged with each other. After the lowered steel cage 1 and the connecting sleeve 2 are connected, the other steel cage 1 is lifted and the above steps are repeated to splice the upper steel cage 1 with the connecting sleeve 2, thereby completing the operation of connecting the docking position between the two steel cages 1. The device makes the connection of the two steel cages 1 simple and convenient, and can complete the quick connection of the two sections of steel cages 1 without other tools and large external forces, saving construction time and solving the problem that the docking connection points of the two steel cages remain in a state of mutual contact for a long time, which is time-consuming and labor-intensive.

[0026] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. Although the present utility model is described in detail with reference to the above embodiments, it is still possible for the technical solutions recorded in the above embodiments to be modified, or some of the technical features therein to be replaced by equivalents, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A butt connection device for a steel cage, characterized in that: The invention comprises a connecting circular sleeve (2) for connecting two steel cages (1), wherein the connecting circular sleeve (2) comprises a ring seat (21) and a plurality of connecting tubes (22) evenly distributed along the axial direction of the ring seat (21), wherein the connecting tubes (22) have the same number of vertical steel bars as the connected steel cages (1), and slots (221) are provided at the upper and lower ends of the connecting tubes (22), and plug-ins (3) are installed at the ends of the vertical steel bars of the steel cages (1), and the plug-ins (3) can be inserted into the slots (221) and fixed.

2. A butt connection device for a steel cage according to claim 1, characterized in that: A movable groove (225) is provided on the inner side wall of the connecting tube (22), a telescopic spring (223) is placed in the movable groove (225), one end of the telescopic spring (223) is fixedly connected to the movable groove (225), and the other end of the telescopic spring (223) is fixedly connected to a limiting block (222); a limiting groove (31) matching with the limiting block (222) is provided on the outer side wall of the plug-in (3), and the limiting block (222) can extend into the limiting groove (31) to fix the plug-in (3) in the connecting tube (22).

3. A butt connection device for a steel cage according to claim 1, characterized in that: The ends of the vertical steel bars of the steel cage (1) are provided with external threads (11), one end of the plug-in unit (3) is provided with a circular groove, the circular groove is provided with internal threads (32) matching with the external threads (11), and the plug-in unit (3) is threadedly connected to the vertical steel bars of the steel cage (1).

4. A butt connection device for a steel cage according to claim 2, characterized in that: A guide slope (226) is provided on one side of the limit block (222) facing the notch of the slot (221), and the shape and number of the limit slot (31) are consistent with those of the limit block (222).

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