CN103774642B - Stake syndeton and stake - Google Patents

Abstract

The invention discloses a kind of stake syndeton, comprise interior cuffs, be arranged on interior cuffs external surface the first end plate, the second end plate that the outer cuff of lock ring and end face connect is carried out to this interior cuffs, described interior cuffs is provided with the first draw-in groove, described first end plate, the second end plate form fastener, and described fastener is arranged in described first draw-in groove.Stake syndeton of the present invention is anti-shearing, anti-pulling, bend resistance ability and resistance to corrosion strong, reduces use electric welding simultaneously, reduces the technical requirements of construction worker and reduce labor strength.

Description

Pile Connection Structure and Pile

technical field

The invention relates to the technical field of building components, in particular to a pile connection structure and piles.

Background technique

The pile connection structure currently on the market generally connects the upper end plate and the lower end plate by welding. This method of welding the upper end plate and the lower end plate has poor resistance to shearing, pulling, and bending, and at the same time, the weld is easily corroded because it is exposed. Furthermore, welded connections have high technical requirements for construction workers, and at the same time require high labor-intensive work for construction workers, resulting in low production efficiency.

Contents of the invention

Based on this, it is necessary to address the defects of the existing technology to provide a pile with strong shear resistance, pull resistance, bending resistance and corrosion resistance, while reducing the use of electric welding, reducing the technical requirements of construction workers and reducing the labor intensity of workers. Connect structures and piles.

Its technical scheme is as follows.

A pile connection structure, comprising an inner hoop, an outer hoop arranged on the outer surface of the inner hoop to tighten the inner hoop, and a first end plate and a second end plate whose ends are connected, the inner hoop is set There is a first card slot, the first end plate and the second end plate form a clip, and the clip is clipped in the first clip slot. The pile connection structure of this technical solution is provided with a first groove inside the inner hoop, so that the clip formed by the first end plate and the second end plate is clamped in the first groove to the first end plate and the second end. The slab is fastened to enhance the shear resistance of the pile connection structure. The outer surface of the inner hoop is provided with an outer hoop to tighten it, so that the pile connection structure has strong bending resistance and pullout resistance. Furthermore, since the inner hoop wraps the clamp formed by the first end plate and the second end plate in its first clamping groove, its corrosion resistance is strong, and further, due to the use of mechanical connection instead of traditional welding, it reduces The technical requirements of construction workers and reduce the labor intensity of workers.

In one of the embodiments, the outer ferrule is provided with a first connection hole, and the inner ferrule is provided with a second connection hole corresponding to the first connection hole, and the first connection hole and the second connection hole pass through Screwed or riveted with rivets. The outer hoop and the inner hoop are screwed or riveted to lock the first end plate and the second end plate to tighten the first end plate and the second end plate, so as to enhance the anti-shearing, anti-drawing, and anti-bending capabilities of the pile connection structure.

In one embodiment, at least two outer hoops are included, and the outer hoops are arranged side by side on the outer surface of the inner hoop, and the first connecting holes are arranged in a dislocation manner. The pile connection structure includes at least two outer hoops, and two or more outer hoops are layered and arranged side by side on the outer surface of the inner hoop to enhance the shear resistance and improve the safety factor. At the same time, the first connecting hole provided on the first outer hoop and the first connecting hole arranged on the second outer hoop are misplaced to enhance the overall strength.

In one of the embodiments, a second clamping groove is provided on the outer surface of the inner ferrule, and the outer ferrule is disposed in the second clamping groove. The outer hoop is arranged in the second groove on the outer surface of the inner hoop, so that there is no obvious protrusion on the surface of the inner hoop, which is easy to locate during installation and enhances the overall strength at the same time.

In one of the embodiments, the inner hoop includes at least two inner hoop segments, and there is a first connection port between adjacent inner hoop segments. The inner hoop is designed in segments, with at least two inner hoop segments, and the inner hoops are arranged in segments, which facilitates installation and enhances the tensile and bending resistance of the pile connection structure.

In one of the embodiments, the outer jacket includes at least two outer jacket segments, and there is a second connection port between adjacent outer jacket segments, and the first connection port and the second connection port are staggered from each other, so The outer ferrule covers the first connection port in sections. The outer collar is designed in sections, with at least two outer collar segments, and the outer collar is arranged in sections, which facilitates installation and enhances the shearing capacity of the pile connection structure. At the same time, the first connection port and the second connection port are staggered from each other, and the outer collar covers the first connection port in sections, so as to enhance the overall strength of the pile connection structure and enhance its corrosion resistance.

In one of the embodiments, a limit pin is provided at one end of the inner ferrule segment near the first connection port, and a limit pin hole is provided on the outer ferrule to match the limit pin, and the limit pin passes through The limit pin holes fasten the adjacent inner hoop pieces in sections. Adjacent inner hoop segments are provided with limit pins at the end close to the first connection port, and the limit pins pass through the limit pin holes to fasten the adjacent inner hoop segments so that they have good integration sex.

In one of the embodiments, the end where the first end plate and the second end plate are close to each other is used as the connecting end, the outer edge of the connecting end of the first end plate is provided with a first bevel, and the second end plate The outer edge of the connecting end is provided with a second groove, and the first groove and the second groove are connected by welding. The first end plate and the second end plate are firstly welded on the outer edge of their joint end faces, and then tightened by the inner hoop and the outer hoop. Both mechanical connection and welding connection are used to form insurance and improve the height of the pile. The factor of safety of the connected structure.

The technical solution also provides a pile, including at least two piles connected end to end, the first pile is connected to the second pile through a pile connection structure, and the pile connection structure includes an inner hoop, The outer surface of the inner hoop is provided on the outer surface of the inner hoop to tighten the inner hoop and the first end plate and the second end plate whose end faces meet, the inner hoop is provided with a first card slot, and the first end The plate and the second end plate form a clip, and the clip is clipped in the first clip slot. The pile connection structure of this technical solution is provided with a first groove inside the inner hoop, so that the clip formed by the first end plate and the second end plate is clamped in the first groove to the first end plate and the second end. The slab is fastened to enhance the shear resistance of the pile connection structure. The outer surface of the inner hoop is provided with an outer hoop to tighten it, so that the pile connection structure has strong bending resistance and pullout resistance. Furthermore, since the inner hoop wraps the clamp formed by the first end plate and the second end plate in its first clamping groove, its corrosion resistance is strong, and further, due to the use of mechanical connection instead of traditional welding, it reduces The technical requirements of construction workers and reduce the labor intensity of workers.

In one embodiment, the first end plate is integrally formed with the first pile, and the second end plate is integrally formed with the second pile. At the same time, the shape of the inner hoop and outer hoop matches the section of the pile, making the pile connection structure of this technical scheme suitable for any prefabricated piles with end plates, including prestressed concrete pipe piles, prestressed concrete hollow square piles and concrete Solid square piles, etc.

The advantages or principles of the technical solution will be described below.

The pile connection structure of this technical solution is provided with a first groove inside the inner hoop, so that the clip formed by the first end plate and the second end plate is clamped in the first groove to the first end plate and the second end. The slab is fastened to enhance the shear resistance of the pile connection structure. The outer surface of the inner hoop is provided with an outer hoop to tighten it, so that the pile connection structure has strong bending resistance and pullout resistance. Furthermore, since the inner hoop wraps the clamp formed by the first end plate and the second end plate in its first clamping groove, its corrosion resistance is strong, and further, due to the use of mechanical connection instead of traditional welding, it reduces The technical requirements of construction workers and reduce the labor intensity of workers.

Description of drawings

Fig. 1 is the structural exploded view that the present invention implements described pile connecting structure;

Fig. 2 is the structural representation of implementing described pile connection structure of the present invention;

Fig. 3 is the exploded view of the structure of the pile connection structure with two outer collars according to the implementation of the present invention;

Fig. 4 is a schematic structural view of the pile connection structure with two outer collars implemented in the present invention;

Fig. 5 is a structural exploded view of the pile connection structure with three outer collars implemented in the present invention;

Fig. 6 is a structural representation of the pile connection structure with three outer collars according to the implementation of the present invention;

Fig. 7 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 8 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 9 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 10 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 11 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 12 is a schematic structural view of the inner hoop and the outer hoop according to the embodiment of the present invention;

Fig. 13 is a schematic structural view of the first end plate and the second end plate according to the embodiment of the present invention;

Fig. 14 is a structural schematic diagram of the inner hoop with a limit pin and the outer hoop with a limit pin hole according to the implementation of the present invention;

Explanation of reference signs:

10, the first pile, 20, the first end plate, 210, the first groove, 30, the second pile, 40, the second end plate, 410, the second groove, 50, the inner hoop, 510, the first card slot, 520, the second card slot, 530, the segment of the inner hoop, 540, the opening, 550, the limit pin, 60, the outer hoop, 610, the segment of the outer hoop, 620, the hole of the limit pin .

detailed description

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Please refer to Figures 1 to 2. The pile connection structure is arranged between adjacent piles, and the piles used in engineering construction are formed by connecting the piles of multiple sections end to end. The pile connection structure includes an inner hoop, an outer hoop 60 arranged on the outer surface of the inner hoop 50 to tighten the inner hoop 50 , and a first end plate 20 and a second end plate 40 connected to each other. The first end plate 20 is integrally formed with the first pile 10, the second end plate 40 is also integrally formed with the second pile 30, the inner hoop 50, the outer sleeve, the first end plate 20 and the second The shape of the end plate 40 matches the section of the pile, so that the pile connection structure is suitable for any prefabricated piles with end plates, including prestressed concrete pipe piles, prestressed concrete hollow square piles and concrete solid square piles.

A first locking slot 510 is defined inside the inner hoop 50 . The end faces of the first end plate 20 and the second end plate 40 are connected, and the two overlap each other to form a clamp, and the clamp is clamped in the first clamping groove 510, and the first clamping groove 510 is opposite to the first end plate 20 and the first clamping groove 510. The second end plate 40 is connected and fastened. The outer ferrule 60 is provided with a first connecting hole, and the inner ferrule 50 is provided with a second connecting hole corresponding to the first connecting hole, and the first connecting hole and the second connecting hole are connected by threads or by rivets The inner hoop 50 and the outer hoop 60 are tightened by riveting. Certainly, the inner ferrule 50 and the outer ferrule 60 are nested fit, and both are interference fit or clearance fit, and at this time, neither of them is provided with a hole.

In this embodiment, only one outer hoop 60 is provided, and the outer hoop 60 wraps the outer surface of the inner hoop 50 to fasten the inner hoop 50 . In another embodiment, the pile connection structure includes at least two outer ferrules 60 , the outer ferrules 60 are arranged side by side on the outer surface of the inner ferrule 50 , and the first connection holes are arranged in dislocation. A second clamping groove 520 is disposed on the outer surface of the inner ferrule 50 , and the outer ferrule 60 is disposed in the second clamping groove 520 , please refer to FIG. 5 to FIG. 6 . In other embodiments, there are two outer hoops 60 and two second slots 520, the two second slots 520 are respectively set on the upper edge and the lower edge of the outer surface of the inner hoop 50, and the outer hoop 60 is inserted into the second The inner hoop 50 is fastened in the clamping groove 520 , please refer to FIG. 3 to FIG. 4 .

In this embodiment, the inner hoop 50 includes at least two inner hoop segments 530 , and there is a first connecting port between adjacent inner hoop segments 530 . The outer hoop 60 includes at least two outer hoop segments 610, and there is a second connection port between adjacent outer hoop segments 610, the first connection port and the second connection port are staggered from each other, and the outer hoop segments Section 610 covers the first connection port. Both the inner hoop 50 and the outer hoop 60 can be designed in one piece or segmented. When the outer hoop 60 is an integral design, an opening 540 can be provided on the outer hoop 60. If the inner hoop 50 adopts a segmented design, the first connecting port between the inner hoop segments 530 needs to be connected with the outer hoop. The openings 540 on the 60 are staggered. Both the inner hoop 50 and the outer hoop 60 can be divided into equal sections or unequal sections. The first connection port, the second connection port and the opening 540 can all be welded to increase the safety factor.

Please refer to accompanying drawing 14 for details. One end of the inner hoop segment 530 near the first connection port is provided with a limit pin 550, and the outer hoop 60 is provided with a limit pin hole 620 matched with the limit pin 550, and the limit pin 550 passes through the limit pin hole 620 Adjacent inner hoop segments 530 are fastened. The inner ferrule 50, the outer ferrule 60, the first end plate 20 and the second end plate 40 are shaped to match the section of the pile so that the pile connection structure is suitable for any prefabricated pile with end plates, including prestressed concrete pipe piles , prestressed concrete hollow square piles and concrete solid square piles, etc. Figures 7 to 9 show several arrangements of the inner hoop 50 and the outer hoop 60 when the pile connection structure of this embodiment is applied to cylindrical piles. Accompanying drawings 10 to 12 are several arrangement forms of the inner hoop 50 and the outer hoop 60 when the pile connection structure of this embodiment is applied to square piles.

Further, please refer to FIG. 13 for details. Take the end where the first end plate 20 and the second end plate 40 are close to each other as the connecting end, the outer edge of the connecting end of the first end plate 20 is provided with a first groove 210, and the opposite end of the second end plate 40 A second groove 410 is provided on the outer edge of the connecting end, and the first groove 210 and the second groove 410 are connected by welding.

During installation, the end surfaces of the first end plate 20 and the second end plate 40 are first connected, and the first groove 210 and the second groove 410 are welded so that the first end plate 20 and the second end plate 40 are fastened. Then, the first clamping groove 510 of the inner hoop segment 530 is engaged with the clamp formed by the first end plate 20 and the second end plate 40 , so that the first end plate 20 and the second end plate 40 are fastened to each other. Install the outer ferrule 60, insert the limit pin of the inner ferrule section 530 into the limit pin hole 620 of the outer ferrule 60, and then connect the first connecting hole and the second connecting hole by screwing or riveting the inner ferrule The member 50 and the outer ferrule 60 are fastened to each other.

Embodiments or principles of the present invention will be described below in conjunction with the accompanying drawings.

1. The pile connection structure of this embodiment sets the first groove inside the inner hoop 50, so that the clip formed by the first end plate 20 and the second end plate 40 is clamped in the first groove and opposite to the first end. The plate 20 and the second end plate 40 are fastened to enhance the shear resistance of the pile connection structure. The outer surface of the inner hoop 50 is provided with an outer hoop 60 tightening it, so that the pile connection structure has strong bending and pulling resistance. Furthermore, since the inner hoop 50 wraps the clamp formed by the first end plate 20 and the second end plate 40 in its first clamping groove 510, its corrosion resistance is strong, and further, due to the use of mechanical connection instead of the traditional Welding can reduce the technical requirements of construction workers and reduce the labor intensity of workers.

2. The outer hoop 60 and the inner hoop 50 are locked to each other through threaded connection or riveting to tighten the first end plate 20 and the second end plate 40 to enhance the shear resistance, pull resistance and bending resistance of the pile connection structure ability.

3. The pile connection structure includes at least two outer hoops 60, and two or more outer hoops 60 are layered and arranged side by side on the outer surface of the inner hoop 50 to enhance the shear resistance and improve the safety factor. At the same time, the first connection hole provided on the first outer ferrule 60 and the first connection hole provided on the second outer ferrule 60 are misaligned to enhance the overall strength.

4. The outer hoop 60 is arranged in the second groove 520 on the outer surface of the inner hoop 50, so that there is no obvious protrusion on the surface of the inner hoop 50, which is easy to locate during installation and enhances the overall strength at the same time.

5. The inner hoop 50 is designed in sections, and has at least two inner hoop sections 530. The inner hoop 50 is arranged in sections, which facilitates installation and enhances the tensile and bending resistance of the pile connection structure.

6. The outer collar 60 is designed in sections, and has at least two outer collar sections 610. The outer collar sections 610 are arranged to facilitate installation and enhance the shear capacity of the pile connection structure. At the same time, the first connection port and the second connection port are staggered from each other, and the outer ferrule segment 610 covers the first connection port, so as to enhance the overall strength of the pile connection structure and enhance its corrosion resistance.

7. The adjacent inner hoop segments 530 are provided with limit pins at one end close to the first connection port, and the limit pins 550 pass through the limit pin holes 620 to fasten the adjacent inner hoop segments 530, make it have good integrity.

8. The first end plate 20 and the second end plate 40 are first welded on the outer edge of their joint end faces, and then tightened by the inner hoop 50 and the outer hoop, using both mechanical connection and welding connection, Form insurance and improve the safety factor of the pile connection structure.

9. At the same time, the shape of the inner ferrule 50 and the outer ferrule matches the cross-section of the pile, so that the pile connection structure of this technical scheme is suitable for any prefabricated piles with end plates, including prestressed concrete pipe piles, prestressed concrete hollow square piles, etc. Pile and concrete solid square pile etc.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (5)

1. a stake syndeton, it is characterized in that, comprise interior cuffs, be arranged on interior cuffs external surface and the first end plate that the outer cuff of lock ring and end face connect is carried out to this interior cuffs, second end plate, described interior cuffs is provided with the first draw-in groove, described first end plate, second end plate forms fastener, described fastener is arranged in described first draw-in groove, described outer cuff is provided with the first connecting hole, described interior cuffs is provided with second connecting hole corresponding with the first connecting hole, described first connecting hole, second connecting hole is threaded connection or passes through rivet, the external surface of described interior cuffs is provided with the second draw-in groove, described outer cuff is arranged in described second draw-in groove, comprise at least two outer cuffs, described outer cuff is juxtaposed on the external surface of described interior cuffs, described interior cuffs comprises at least two interior cuffs segmentations, between adjacent interior cuffs segmentation, there is the first connector, described outer cuff comprises at least two outer cuff segmentations, between adjacent outer cuff segmentation, there is the second connector, described first connector and the second connector stagger mutually, described outer cuff segmentation covers described first connector.

2. according to claim 1 syndeton, it is characterized in that, described interior cuffs segmentation is provided with spacer pin near one end of the first connector, and described outer cuff is provided with the limit pin hole matched with this spacer pin, and cuffs segmentation in adjacent is carried out fastening through limit pin hole by spacer pin.

3. according to claim 1 syndeton, it is characterized in that, hold for connecting with one end that the first end plate and the second end plate are close to each other, the outer of the end that connects of described first end plate arranges the first groove, the outer of the end that connects of described second end plate arranges the second groove, and described first groove, the second groove welding connect.

4. a stake, comprise at least two end to end piles, it is characterized in that, first pile is connected with second pile by stake syndeton, described stake syndeton comprises interior cuffs, be arranged on interior cuffs external surface and the first end plate that the outer cuff of lock ring and end face connect is carried out to this interior cuffs, second end plate, described interior cuffs is provided with the first draw-in groove, described first end plate, second end plate forms fastener, described fastener is arranged in described first draw-in groove, described outer cuff is provided with the first connecting hole, described interior cuffs is provided with second connecting hole corresponding with the first connecting hole, described first connecting hole, second connecting hole is threaded connection or passes through rivet, the external surface of described interior cuffs is provided with the second draw-in groove, described outer cuff is arranged in described second draw-in groove, described stake syndeton also comprises at least two outer cuffs, described outer cuff is juxtaposed on the external surface of described interior cuffs, described first connecting hole shifts to install, described interior cuffs comprises at least two interior cuffs segmentations, between adjacent interior cuffs segmentation, there is the first connector, described outer cuff comprises at least two outer cuff segmentations, between adjacent outer cuff segmentation, there is the second connector, described first connector and the second connector stagger mutually, described outer cuff segmentation covers described first connector.

5. stake according to claim 4, is characterized in that, described first end plate and first pile are formed in one, and described second end plate and second pile are formed in one.