Spring telescopic variable-diameter reinforcement cage

Abstract

The utility model discloses a spring telescopic variable-diameter reinforcement cage which comprises a reinforcement cage body. Comprising a fixed end plate in a horizontal state, an axial reinforcing steel bar rod perpendicular to the circle center position of the fixed end plate, fixed reinforcing steel bars perpendicular to the round edge position of the fixed end plate and distributed circumferentially, and telescopic spring reinforcing steel bars spirally wound on the outer sides of the fixed reinforcing steel bars distributed circumferentially from the bottom end to the top end. The limiting assembly comprises a stable round plate welded to the outer side of the bottom end of the axial steel bar rod and limiting spring steel bar rings evenly distributed on the stable round plate, and one end of each limiting spring steel bar ring is provided with a limiting insertion column penetrating through the round edge of the stable round plate; the spring telescopic variable-diameter steel reinforcement cage is provided with a design for limiting the deflection of the steel reinforcement columns, through the designed limiting spring steel reinforcement rings, the bottom ends of the fixed steel reinforcements are limited, the top ends of the fixed steel reinforcements are limited by the guide rings, the fixed steel reinforcements shake in the guide rings within a certain range in the set direction, and large-amplitude deflection is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of steel cage technology, specifically relating to a spring-loaded telescopic variable diameter steel cage. Background Technology

[0002] Spring-expansion variable-diameter steel cages are a special type of steel cage structure that combines the flexibility of a spring with the reinforcement function of a steel cage. They mainly consist of axial rods, end plates, and spring-type steel bars. The working principle of the spring-expansion variable-diameter steel cage is based on the flexibility of a spring. When the spring-type steel bars are subjected to tension stress, they exhibit a smaller diameter; when the tension stress is released, the spring-type steel bars return to a larger diameter. This diameter variation allows the steel cage to adapt to different engineering needs and provide better reinforcement. Spring-expansion variable-diameter steel cages are highly adaptable, easy to construct, have high strength and stability, and are corrosion-resistant and wear-resistant. They are widely used in various fields, such as anti-buoyancy of building basements, foundation pit support, slope protection, and geological disaster management.

[0003] When welding spring-loaded variable-diameter steel cages, the axial rods and end plates are generally welded first, followed by welding the steel columns distributed around the circumference of the end plates one by one, and finally the spring-loaded steel bars are wrapped around the outside of the steel columns. In the above steel column welding process, one steel column is welded before another is welded. Each column needs to be placed accurately and fixed before welding. The steel column welding process is prone to skewing and instability, and the steel column welding process is also relatively complicated, which is not conducive to the overall welding and processing of variable-diameter steel cages.

[0004] Existing spring-expansion type variable diameter steel cages have the problem of not having a design to prevent the circumferentially distributed steel columns from tilting during the welding process. Therefore, this application proposes a spring-expansion type variable diameter steel cage. Utility Model Content

[0005] The purpose of this utility model is to provide a spring-expandable variable diameter steel cage to solve the problem mentioned in the background art that there is no design to limit the skewness of the steel column in the spring-expandable variable diameter steel cage.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a spring-loaded telescopic variable diameter steel cage, comprising...

[0007] The main body of the steel cage includes a fixed end plate in a horizontal state, axial steel bars at the center of the fixed end plate, fixed steel bars at the edge of the fixed end plate and distributed in a circle, and expansion spring steel bars spirally wound around the outside of the circumferentially distributed fixed steel bars from the bottom to the top.

[0008] The limiting component includes a stabilizing circular plate welded to the outer side of the bottom end of the axial reinforcing bar and a limiting spring reinforcing bar ring evenly distributed on the stabilizing circular plate, wherein a limiting insert is provided at one end of the limiting spring reinforcing bar ring through the circular edge of the stabilizing circular plate.

[0009] An anti-skewing assembly installed on the top of an axial reinforcing bar includes a limiting circular plate sleeved on the outside of the axial reinforcing bar, limiting cylinders perpendicular to the circular edge of the limiting circular plate and distributed in a circumferential manner, and guide rings sleeved on the outside of the corresponding limiting cylinders.

[0010] A reinforcing ring plate has circumferentially distributed limiting cylinders on its surface facing the limiting circular plate.

[0011] Preferably, the limiting insert has an "L" shaped structure, and the stabilizing circular plate has a first circular hole distributed around its edge for the limiting insert to pass through, and the limiting spring steel ring is spiral in shape.

[0012] Preferably, the limiting spring steel bar ring corresponds one-to-one with the vertical fixed steel bar, the inner diameter of the limiting spring steel bar ring is the same as the outer diameter of the corresponding fixed steel bar, and the outer surface of the stabilizing circular plate is in rolling contact with the outer surface of the fixed steel bar.

[0013] Preferably, a collar is provided on the bottom surface of the limiting circular plate near the center, the inner diameter of the collar is the same as the inner diameter of the limiting circular plate, and a stabilizing column through which an axial reinforcing bar is provided on the collar.

[0014] Preferably, the defining cylinder has a "T" shaped structure, the guide ring has a frame structure, a movable groove is formed inside the guide ring, the two ends of the guide ring are curved, the distance between the opposing surfaces of the guide ring is a spacing H, and the outer diameter of the defining cylinder is the same as the spacing H.

[0015] Preferably, the outer surface of the defining circular plate is provided with circumferentially distributed grooves, and the surface of the defining circular plate is provided with circumferentially distributed defining circular slots.

[0016] Preferably, the limiting cylinder mates with the corresponding limiting groove, and the adjacent limiting cylinders roll in contact with the opposite outer surfaces of the corresponding guide rings.

[0017] Preferably, a fixing buckle is provided on the outer side of the joint position of the fixed reinforcing bar and the telescopic spring reinforcing bar. The fixing buckle is an open structure, and a "T"-shaped locking post is provided on one end of the opening of the fixing buckle. A locking groove that cooperates with the locking post is opened on one end of the opening of the fixing buckle.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] In this utility model, the spring-telescopic variable diameter steel cage has a design to limit the skewing of the steel column. The bottom end of the fixed steel bar is limited by the designed limiting spring steel bar ring to prevent the fixed steel bar from skewing. The top end of the fixed steel bar is limited by the guide ring, so that it swings within a certain range in a predetermined direction inside the guide ring to prevent large-scale skewing. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of the fixed end plate and axial reinforcing bar of this utility model;

[0022] Figure 3 This is a top view of the defined circular plate of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the reinforcing ring plate of this utility model;

[0024] Figure 5 This is a three-dimensional structural diagram of the fixing and fastening ring of this utility model;

[0025] In the diagram: 2. Stabilizing circular plate; 3. Limiting spring steel bar ring; 4. Fixing fastening ring; 6. Reinforcing ring plate; 11. Fixing end plate; 12. Axial steel bar rod; 13. Fixing steel bar; 14. Telescopic spring steel bar; 31. Limiting insert; 41. Locking post; 42. Locking groove; 51. Limiting circular plate; 52. Limiting cylinder; 53. Guide ring; 61. Limiting cylinder; 511. Collar ring; 512. Stabilizing post; 513. Groove; 514. Limiting circular groove; 531. Movable groove. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example

[0028] Please see Figures 1 to 5This utility model provides a technical solution: a spring-loaded telescopic variable diameter steel cage, comprising a steel cage body, including a fixed end plate 11 in a horizontal state, axial steel bars 12 perpendicular to the center of the fixed end plate 11, fixed steel bars 13 perpendicular to the edge of the fixed end plate 11 and distributed circumferentially, and telescopic spring steel bars 14 spirally wound from the bottom to the top around the circumferentially distributed fixed steel bars 13. The fixed end plate 11 is welded to the axial steel bars 12 and the fixed steel bars 13, and the telescopic spring steel bars 14 are spirally wound. A limiting component, including welding... A stabilizing circular plate 2 and a limiting spring steel ring 3 evenly distributed on the stabilizing circular plate 2 are located on the outer side of the bottom end of the axial reinforcing bar 12. One end of the limiting spring steel ring 3 is provided with a limiting post 31 that penetrates the circular edge of the stabilizing circular plate 2. The limiting spring steel ring 3 and the limiting post 31 are integrally manufactured. The stabilizing circular plate 2 is welded to the axial reinforcing bar 12, and the limiting post 31 is welded to the stabilizing circular plate 2. When the fixing reinforcing bar 13 is welded, the bottom end of the vertically placed fixing reinforcing bar 13 penetrates the corresponding limiting spring steel ring 3 and contacts the fixing end plate 11, thus fixing the reinforcing bar. The bottom end of the reinforcing bar 13 is constrained by the limiting spring reinforcing bar ring 3 to prevent the fixed reinforcing bar 13 from tilting. The anti-tilting component installed on the top end of the axial reinforcing bar 12 includes a limiting circular plate 51 sleeved on the outside of the axial reinforcing bar 12, limiting cylinders 52 perpendicular to the circular edge of the limiting circular plate 51 and distributed circumferentially, and guide rings 53 sleeved on the outside of the corresponding limiting cylinders 52. The limiting circular plate 51 and the limiting cylinders 52 are welded together. The guide rings 53 serve to constrain the top end of the fixed reinforcing bar 13, allowing it to slide in a predetermined direction and preventing it from tilting significantly. To prevent tilting and swaying, the guide ring 53 is fitted on the outside of the corresponding limiting cylinder 52. The guide ring 53 and the limiting cylinder 52 are separate structures, and the corresponding number of guide rings 53 can be used according to actual needs. The reinforcing ring plate 6 has circumferentially distributed limiting cylinders 61 on its surface facing the limiting circular plate 51. The reinforcing ring plate 6 is fitted on the outside of the axial reinforcing bar 12. The reinforcing ring plate 6 presses the guide ring 53, and the limiting cylinders 61 are embedded in the interior of the limiting circular plate 51. The limiting cylinders 61 limit the guide ring 53 and prevent the guide ring 53 from tilting.

[0029] In this embodiment, the limiting insert 31 has an "L" shaped structure. The circular edge of the stabilizing circular plate 2 is provided with a first circular hole distributed around the circumference for the limiting insert 31 to pass through. The limiting spring steel ring 3 is spiral in shape and limits the fixed steel bar 13. The limiting spring steel ring 3 corresponds one-to-one with the vertical fixed steel bar 13. The spiral inner diameter of the limiting spring steel ring 3 is the same as the outer diameter of the corresponding fixed steel bar 13. The outer surface of the stabilizing circular plate 2 rolls in contact with the outer surface of the fixed steel bar 13. The stabilizing circular plate 2 abuts against the fixed steel bar 13, and the limiting spring steel ring 3 binds the fixed steel bar 13 to prevent it from shaking or tilting significantly.

[0030] In this embodiment, a collar 511 is provided on the bottom surface of the limiting circular plate 51 near the center. The inner diameter of the collar 511 is the same as the inner diameter of the limiting circular plate 51. A stabilizing column 512 is provided on the collar 511, which passes through the axial reinforcing bar 12. The collar 511 is sleeved on the outside of the axial reinforcing bar 12, which plays a role in stabilizing the limiting circular plate 51. The stabilizing column 512 passes through the collar 511 and the axial reinforcing bar 12, which plays a role in limiting the position of the collar 511 and the circular plate 51. The column 512, the collar 511 and the axial reinforcing bar 12 can be further firmly stabilized by welding.

[0031] In this embodiment, the cylinder 52 is defined as a "T" shaped structure, the guide ring 53 is a frame structure, the guide ring 53 forms a movable groove 531, the two ends of the guide ring 53 are curved, the distance between the opposing surfaces of the guide ring 53 is the spacing H, the outer diameter of the cylinder 52 is the same as the spacing H, the diameter of the fixed steel bar 13 is also the same as the spacing H, the guide ring 53 encircles the fixed steel bar 13, so that it swings within a certain range along a predetermined direction inside the guide ring 53, avoiding large-scale deflection.

[0032] In this embodiment, the outer surface of the limiting circular plate 51 is provided with circumferentially distributed grooves 513, and the surface of the limiting circular plate 51 is provided with circumferentially distributed limiting circular grooves 514. The limiting cylinder 61 cooperates with the corresponding limiting circular groove 514. The limiting cylinder 61 is inserted into the corresponding limiting circular groove 514, which can limit the guide ring 53. Adjacent limiting cylinders 61 and the outer surfaces of the corresponding guide ring 53 roll in contact with each other. The limiting cylinder 61 blocks the guide ring 53 and prevents it from deflecting.

[0033] In this embodiment, a fixing ring 4 is provided on the outer side of the joint position of the fixed reinforcing bar 13 and the telescopic spring reinforcing bar 14. The fixing ring 4 has an open structure, and a "T"-shaped locking post 41 is provided on one end of the opening of the fixing ring 4. A locking groove 42 that cooperates with the locking post 41 is opened on one end of the opening of the fixing ring 4. When the telescopic spring reinforcing bar 14 is wrapped around the outside of the fixed reinforcing bar 13, the fixing ring 4 fastens the telescopic spring reinforcing bar 14 and the fixed reinforcing bar 13. The open fixing ring 4 passes around the telescopic spring reinforcing bar 14 and the fixed reinforcing bar 13. The fixing ring 4 is made of elastic spring steel material. The locking post 41 at one end of the open fixing ring 4 passes through the locking groove 42. Under the action of the elastic force of deformation, the fixing ring 4 forms a ring shape, which can fix the telescopic spring reinforcing bar 14 and the fixed reinforcing bar 13.

[0034] Working principle and usage process of this utility model:

[0035] During the welding and assembly of the reinforcing cage, the fixed end plate 11 is welded to the axial reinforcing bar 12;

[0036] The sturdy circular plate 2 is welded to the axial reinforcing bar 12;

[0037] When the fixed reinforcing bar 13 is welded and assembled, the bottom end of the vertically placed fixed reinforcing bar 13 passes through the corresponding limiting spring steel bar ring 3 and then contacts the fixed end plate 11. The bottom end of the fixed reinforcing bar 13 is limited by the limiting spring steel bar ring 3 to prevent the fixed reinforcing bar 13 from tilting.

[0038] The circular plate 51 and the collar 511 are fitted on the outside of the axial reinforcing bar 12. The stabilizing column 512 passes through the collar 511 and the axial reinforcing bar 12. The stabilizing column 512 is welded to the collar 511 and the axial reinforcing bar 12 for further reinforcement.

[0039] The guide ring 53 is sleeved on the outside of the limiting cylinder 52. The reinforcing ring plate 6 presses down on the guide ring 53. The limiting cylinder 61 is embedded in the limiting groove 514. The limiting cylinder 61 blocks the guide ring 53, thereby limiting the guide ring 53 and preventing it from deflecting. The reinforcing ring plate 6 can be fixed with bolts.

[0040] The top of the fixed steel bar 13 is limited by the guide ring 53, causing it to sway within a certain range in a predetermined direction inside the guide ring 53, thus avoiding large-scale deviation.

[0041] The open-ended retaining ring 4 passes around the telescopic spring steel bar 14 and the fixed steel bar 13. The retaining ring 4 is made of elastic spring steel material. The locking post 41 at one end of the open-ended retaining ring 4 passes through the locking groove 42. Under the action of the elastic force of deformation, the retaining ring 4 forms a ring shape, which can fix the telescopic spring steel bar 14 and the fixed steel bar 13.

[0042] In summary: The spring-loaded variable diameter steel cage has a design to limit the skewing of the steel column. The bottom end of the fixed steel bar 13 is limited by the designed limiting spring steel bar ring 3, which prevents the fixed steel bar 13 from skewing. The top end of the fixed steel bar 13 is limited by the guide ring 53, which makes it swing within a certain range in a predetermined direction inside the guide ring 53, thus preventing large-scale skewing.

[0043] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spring-loaded telescopic variable diameter steel cage, characterized in that: include The main body of the steel cage includes a fixed end plate (11) in a horizontal state, an axial steel bar (12) at the center of the fixed end plate (11), a fixed steel bar (13) at the edge of the fixed end plate (11) and distributed in a circle, and a telescopic spring steel bar (14) spirally wound from the bottom to the top on the outside of the fixed steel bar (13) distributed in a circle. The limiting component includes a stable circular plate (2) welded to the outer side of the bottom end of the axial reinforcing bar (12) and a limiting spring reinforcing bar ring (3) evenly distributed on the stable circular plate (2). One end of the limiting spring reinforcing bar ring (3) is provided with a limiting insert (31) that penetrates the circular edge of the stable circular plate (2). The anti-skewing assembly installed on the top of the axial reinforcing bar (12) includes a limiting circular plate (51) sleeved on the outside of the axial reinforcing bar (12), a limiting cylinder (52) perpendicular to the circular edge of the limiting circular plate (51) and distributed in a circumferential manner, and a guide ring (53) sleeved on the outside of the corresponding limiting cylinder (52). A reinforcing ring plate (6) has circumferentially distributed limiting cylinders (61) on its surface facing the limiting circular plate (51).

2. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: The limiting insert (31) has an "L" shaped structure. The stabilizing circular plate (2) has a first circular hole distributed around its edge for the limiting insert (31) to pass through. The limiting spring steel ring (3) is spiral in shape.

3. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: The limiting spring steel bar ring (3) corresponds one-to-one with the vertical fixed steel bar (13). The inner diameter of the limiting spring steel bar ring (3) is the same as the outer diameter of the corresponding fixed steel bar (13). The outer surface of the stabilizing circular plate (2) is in rolling contact with the outer surface of the fixed steel bar (13).

4. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: The bottom surface of the limiting circular plate (51) is provided with a collar (511) near the center. The inner diameter of the collar (511) is the same as the inner diameter of the limiting circular plate (51). The collar (511) is provided with a stabilizing column (512) that passes through the axial reinforcing bar (12).

5. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: The limiting cylinder (52) has a "T" shaped structure, the guide ring (53) has a frame structure, the guide ring (53) has a movable groove (531) formed inside, the two ends of the guide ring (53) are curved, the distance between the opposing surfaces of the guide ring (53) is the spacing H, and the outer diameter of the limiting cylinder (52) is the same as the spacing H.

6. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: The outer surface of the limiting circular plate (51) is provided with circumferentially distributed grooves (513), and the surface of the limiting circular plate (51) is provided with circumferentially distributed limiting circular grooves (514).

7. The spring-loaded telescopic variable diameter steel cage according to claim 6, characterized in that: The limiting cylinder (61) engages with the corresponding limiting groove (514), and the adjacent limiting cylinder (61) rolls in contact with the outer surface of the corresponding guide ring (53) facing away from each other.

8. The spring-loaded telescopic variable diameter steel cage according to claim 1, characterized in that: A fixing buckle (4) is provided on the outer side of the joint position of the fixed steel bar (13) and the telescopic spring steel bar (14). The fixing buckle (4) is an open structure. A "T"-shaped locking post (41) is provided on one end of the opening of the fixing buckle (4). A locking groove (42) that cooperates with the locking post (41) is provided on one end of the opening of the fixing buckle (4).

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