CN217733988U - Steel bar connecting structure of ultra-long hole pile - Google Patents

Abstract

The utility model relates to a technical field of steel reinforcement cage butt joint, a overlength hole stake steel bar connection structure is disclosed, it is including the connection piece of grafting piece and two mutual parallel arrangement, the reinforcing bar has all been pegged graft at grafting piece both ends, the equal integrated into one piece in grafting piece both ends has a plurality of deformation sloping blocks that are used for holding the reinforcing bar tightly, the connection piece both ends have all been seted up with deformation sloping block grafting cooperation spliced eye, be provided with the solid fixed ring who is used for holding deformation sloping block tightly on the spliced eye, the spacing annular that is used for the solid fixed ring of joint is offered along the circumferencial direction to deformation sloping block outer wall, be provided with straining device between two connection pieces. This application has the effect that improves steel reinforcement cage's joint strength.

Description

Steel bar connecting structure of ultra-long hole pile

Technical Field

The application relates to the technical field of steel reinforcement cage butt joint, especially, relate to a overlength hole stake steel bar connection structure.

Background

At present, the compressive strength of concrete is high but the tensile strength is very low, and because the main effect of a reinforcement cage is tensile, the tensile capacity of the concrete is improved by increasing the reinforcement cage. The reinforcement cage is placed in the concrete to play a role in restraint, so that the reinforcement cage can bear certain axial tension.

Among the correlation technique, a steel reinforcement cage, including a plurality of parallel arrangement indulges the muscle, indulges the muscle and includes a plurality of welding reinforcing bars that form, is fixed with a plurality of strengthening ribs along its length direction interval on the reinforcing bar.

In view of the above-mentioned related technologies, the inventor believes that a welding method is adopted to connect two steel bars, and since the steel bars are made of thinner steel, there are some grooves or grooves on the surfaces of the steel bars after welding, which results in insufficient connection strength of the steel bars, and the steel bars are bent or even broken during use, so there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve steel reinforcement cage's joint strength, this application provides a overlength hole stake steel bar connection structure.

The application provides a pair of overlength hole stake steel bar connection structure adopts following technical scheme:

the utility model provides an overlength hole stake steel bar connection structure, includes grafting piece and two mutual parallel arrangement's connection piece, the grafting piece both ends are all pegged graft and are had the reinforcing bar, the equal integrated into one piece in grafting piece both ends has a plurality of deformation sloping blocks that are used for holding tightly the reinforcing bar, the connection piece both ends all seted up with deformation sloping block grafting cooperation spliced eye, be provided with on the spliced eye and be used for holding tightly the solid fixed ring of deformation sloping block, the solid fixed ring groove that is used for the solid fixed ring of joint is seted up along the circumferencial direction on the deformation sloping block outer wall, two be provided with straining device between the connection piece.

By adopting the technical scheme, when the device works, a worker penetrates the reinforcing steel bars through the fixing ring to be inserted into the inserting block, then inserts the deformation inclined block into the inserting hole, and tightens the two connecting pieces through the tightening device, so that the deformation inclined block extrudes the reinforcing steel bars under the action of the connecting pieces and the fixing ring, the fixing ring is clamped in the limiting ring groove, and the two reinforcing steel bars are simultaneously and tightly held on the inserting block to complete the connection work of the reinforcement cage; adopt such design can make deformation sloping block extrusion deformation through two connection pieces, fixing through solid fixed ring, hold the reinforcing bar tightly through the deformation sloping block to make two reinforcing bars can connect more firmly, improved the joint strength between two steel reinforcement cages.

Preferably, the insertion hole is in a circular truncated cone shape, and the inner diameter of the insertion hole gradually increases along the direction close to the insertion block;

and a limiting groove which is matched with the fixing ring in an inserting manner is formed in the opening of the inserting hole at one side, close to the inserting block, of the connecting sheet.

Through adopting above-mentioned technical scheme, adopt such design can support tight deformation sloping block better through the spliced eye that is the round platform form, fix solid fixed ring through the spacing groove, can avoid producing certain damage to solid fixed ring when extrusion deformation sloping block, improve the firmness of the fixed deformation sloping block of fixed ring.

Preferably, the two ends of the connecting piece are provided with communicating holes communicated with the inserting holes, and the communicating holes penetrate through the end parts of the connecting piece.

By adopting the technical scheme, the connecting pieces can be inserted into the reinforcing steel bars more conveniently by workers due to the arrangement of the communicating holes, and convenience in mounting and dismounting the connecting pieces is improved.

Preferably, the tensioning device comprises connecting holes formed in the connecting pieces along the length direction of the reinforcing steel bars, connecting bolts used for connecting the two connecting pieces are inserted into the connecting holes, and connecting nuts are connected to the end portions of the connecting bolts in a threaded fit mode.

Through adopting above-mentioned technical scheme, adopt connecting bolt and connecting bolt to fix two connection pieces, can make two connection pieces more firmly taut to in the spacing annular of will fixing the ring impressing, adopt such design, the mechanism is simple, convenient to use, is fit for staff's use more.

Preferably, the connecting piece is fixed with a limiting ring at the connecting hole, and the limiting ring and the connecting bolt are coaxially arranged.

Through adopting above-mentioned technical scheme, adopt the spacing ring can restrict connecting bolt's skew, the atress at balanced connection piece both ends improves the convenience of operative installations.

Preferably, one side of one of the connecting pieces, which is close to the insertion block, is provided with a sliding rod, and the other connecting piece is provided with a sliding hole which is in insertion fit with the sliding rod.

Through adopting above-mentioned technical scheme, adopt the cooperation in slide bar and slide hole, can make two connection pieces be close to each other more smoothly to make solid fixed ring card that can be synchronous go into spacing annular, improve the convenience of operative installations.

Preferably, the deformation sloping block inner wall integrated into one piece has many grips the sand grip.

Through adopting above-mentioned technical scheme, adopt to hold the sand grip tightly and can increase the frictional force of deformation sloping block between the reinforcing bar to improve the joint strength between two steel reinforcement cages.

In summary, the present application includes at least one of the following beneficial technical effects:

two reinforcing steel bars are respectively inserted into the insertion blocks; the splicing block is spliced in the splicing hole, the deformed inclined block tightly holds the steel bar under the matching of the deformed inclined block and the splicing hole, and the fixing ring is clamped in the limiting ring groove in the clamping process, so that the deformed inclined block can better hold the steel bar, and the connection firmness of two steel reinforcement cages is improved;

the clasping convex strips are fixed in the deformation inclined blocks, so that the friction force between the reinforcing steel bars and the deformation inclined blocks can be increased, the reinforcing steel bars are more firmly fixed, and the convenience of using the device is improved;

set up into the round platform form with the spliced eye, can make the grafting piece can contact with the spliced eye inner wall better to avoid the deformation sloping block to receive the extrusion of connection piece and cause the fracture, improve the convenience of using the deformation sloping block.

Drawings

Fig. 1 is a schematic structural diagram of a super-long hole pile rebar connecting structure according to an embodiment of the present application.

Fig. 2 is an exploded view of an ultra-long hole pile steel bar connection structure according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of an extra-long hole pile rebar connecting structure according to an embodiment of the present application.

Reference numerals: 1. reinforcing steel bars; 2. connecting a nut; 3. an insertion block; 4. a communicating hole; 5. a slide bar; 6. a fixing ring; 7. a connecting bolt; 8. a limiting ring; 9. connecting sheets; 10. tightly holding the convex strips; 11. a limiting ring groove; 12. a jack; 13. a deformation sloping block; 14. a sliding hole; 15. inserting holes; 16. a butting block; 17. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses overlength hole stake steel bar connection structure.

Referring to fig. 2 and 3, a super-long hole pile steel bar connection structure includes an insertion block 3 and two connection pieces 9 which are parallel to each other, the insertion block 3 is circular, the insertion block 3 penetrates through along the length direction thereof and is provided with a jack 12, two sides of the insertion block 3 are inserted into the jack 12 and are provided with steel bars 1, the outer walls of the steel bars 1 are rough surfaces, the jack 12 is fixed with a butt-joint block 16 at the joint of the two steel bars 1, and the butt-joint block 16 is made of rubber. The equal integrated into one piece in 3 both ends of inserted block has a plurality of deformation sloping block 13 that are used for holding reinforcing bar 1 tightly, deformation sloping block 13 inner wall integrated into one piece has holds sand grip 10 tightly, hold sand grip 10 tightly and be the ring form, spliced eye 15 has all been seted up at connection piece 9 both ends, connection piece 9 is fixed with the solid fixed ring 6 that is used for holding deformation sloping block 13 tightly on spliced eye 15, gu fixed ring 6 is circular for the cross-section, offer the spacing annular 11 that is used for solid fixed ring 6 of joint along the circumference on the 13 outer walls of deformation sloping block, be connected with straining device between two connection pieces 9.

By adopting the design, the two reinforcing steel bars 1 are inserted into the fixing holes at the two ends of the inserting block 3, the deformation inclined block 13 is inserted into the inserting hole 15 and is inserted and matched with the fixing ring 6, the two connecting pieces 9 are tightened through the connecting device, so that the deformation inclined block 13 is deformed to tightly abut against the reinforcing steel bars 1, the purpose of fixing the reinforcing steel bars 1 is achieved, the fixing ring 6 is clamped into the limiting ring groove 11, and the two connecting pieces 9 are detached; by adopting the method to connect the reinforcing steel bars 1, the two connected reinforcing steel bars 1 can be held tightly by the deformation inclined block 13 on the same axis, so that the connection between the reinforcing steel bars is firmer, and the convenience of a using device is improved.

Referring to fig. 1 and 2, spliced eye 15 is the round platform form, and spliced eye 15 internal diameter increases along the direction that is close to spliced block 3 gradually, and connection piece 9 is close to one side of spliced block 3 and has offered in spliced eye 15 opening part with solid fixed ring 6 complex spacing groove 17 of pegging graft, and spacing groove 17 is the ring form, and the intercommunicating pore 4 that communicates with spliced eye 15 is all offered at connection piece 9 both ends, and intercommunicating pore 4 runs through the tip of seting connection piece 9.

The connecting sheet 9 can be more conveniently and rapidly mounted and dismounted on the reinforcing steel bar 1 through the communicating hole 4; can make the stationary blade can fix more conveniently through using spacing groove 17, through connection piece 9 extrusion deformation sloping block 13 and act on reinforcing bar 1, reduce the damage to solid fixed ring 6, improve the convenience of operative installations.

Referring to fig. 1 and 2, the tensioning device includes connection holes formed in the connection pieces 9, a connection bolt 7 for connecting the two connection pieces 9 is inserted into the connection holes, a connection nut 20 is connected to the end portion of the connection bolt 7 in a threaded fit manner, a spring washer is sleeved on the connection bolt 7, and one side of the spring washer abuts against one side, close to the connection bolt, of the connection nut 20. Adopt such design to connect two connection pieces 9 through connecting bolt 7, improve the convenience that deformation sloping block 13 supported tight reinforcing bar 1, improve the joint strength between the reinforcing bar.

The connecting piece 9 is welded and fixed with a limiting ring 8 at the connecting hole, one side of one connecting piece 9, which is close to the inserting block 3, of the limiting ring 8 and the connecting bolt 7 are coaxially arranged, the limiting ring 8 is stacked and welded and fixed with two sliding rods 5, the sliding rods 5 are cylindrical, a sliding hole 14 which is in inserting connection with the sliding rods 5 is formed in the other connecting piece 9, and the sliding hole 14 is a cylindrical hole. Adopt such design can be through the cooperation of sliding hole 14 and slide pole 5, through spacing ring 8 and connecting bolt 7 cooperation to avoid connecting bolt 7 to lead to connecting piece 9 to take place to rock at the in-process of screwing, improve operative installations's stability.

The implementation principle of the steel bar connection structure of the ultra-long hole pile is as follows: during operation, the staff will treat the reinforcing bar 1 of connecting and pass solid fixed ring 6 respectively and insert hole 15 and insert the fixed orifices, insert spliced block 3 that the reinforcing bar 1 will be pegged graft in spliced hole 15, screw through connecting bolt 7 and coupling nut 2, thereby make deformation sloping block 13 and 15 cooperations of spliced hole take place deformation, thereby make deformation sloping block 13 hold reinforcing bar 1 tightly, make solid fixed ring 6 card go into spacing annular 11 in, thereby play fixed effect, thereby accomplish the connection work of steel reinforcement cage. By adopting the design, the two reinforcing steel bars 1 can be tightly held on the same axis through the deformation inclined block 13 when being connected, and the reinforcing steel bars 1 are locked through the fixing ring 6, so that the two reinforcing steel cages can be connected more firmly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides an overlength hole stake steel bar connection structure which characterized in that: including splice block (3) and two connection piece (9) of mutual parallel arrangement, splice block (3) both ends are all pegged graft and are had reinforcing bar (1), splice block (3) both ends equal integrated into one piece have a plurality of deformation sloping block (13) that are used for holding tightly reinforcing bar (1), connection piece (9) both ends all seted up with deformation sloping block (13) grafting cooperation spliced eye (15), be provided with on spliced eye (15) and be used for holding tightly fixed ring (6) of deformation sloping block (13), spacing annular (11) that are used for the solid fixed ring (6) of joint are seted up along the circumferencial direction to deformation sloping block (13) outer wall, two be provided with straining device between connection piece (9).

2. The overlong hole pile steel bar connecting structure according to claim 1, wherein: the insertion hole (15) is in a circular truncated cone shape, and the inner diameter of the insertion hole (15) is gradually increased along the direction close to the insertion block (3);

and a limiting groove (17) which is matched with the fixing ring (6) in an inserting manner is formed in the opening of the inserting hole (15) on one side, close to the inserting block (3), of the connecting sheet (9).

3. The overlong hole pile steel bar connecting structure according to claim 2, wherein: both ends of the connecting piece (9) are provided with communicating holes (4) communicated with the inserting holes (15), and the communicating holes (4) penetrate through the end parts of the connecting piece (9).

4. The overlong hole pile steel bar connecting structure according to claim 1, wherein: the tensioning device comprises a connecting hole formed in the connecting sheet (9) along the length direction of the reinforcing steel bar (1), a connecting bolt (7) used for connecting the two connecting sheets (9) is inserted into the connecting hole, and the end part of the connecting bolt (7) is connected with a connecting nut (2) in a threaded fit mode.

5. The overlong hole pile steel bar connecting structure according to claim 4, wherein: the connecting piece (9) is fixed with a limiting ring (8) at the connecting hole, and the limiting ring (8) and the connecting bolt (7) are coaxially arranged.

6. The overlong hole pile steel bar connecting structure according to claim 5, wherein: one side of one of the connecting sheets (9) close to the inserting block (3) is provided with a sliding rod (5), and the other side of the other connecting sheet (9) is provided with a sliding hole (14) which is in inserting connection with the sliding rod (5).

7. The overlong hole pile steel bar connecting structure according to claim 1, wherein: the inner wall of the deformation sloping block (13) is integrally formed with a plurality of holding protruding strips (10).

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