CN214005664U - Connecting device of prefabricated square pile - Google Patents
Connecting device of prefabricated square pile Download PDFInfo
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- CN214005664U CN214005664U CN202021871513.7U CN202021871513U CN214005664U CN 214005664 U CN214005664 U CN 214005664U CN 202021871513 U CN202021871513 U CN 202021871513U CN 214005664 U CN214005664 U CN 214005664U
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Abstract
The utility model discloses a connecting device of a prefabricated square pile in the technical field of pile connection, which comprises an outer hoop plate, wherein one side of the outer hoop plate is provided with a locking groove, the outer hoop plate of a lock guo is tightly and externally hooped outside two butted end plates of a pile body, and the two butted end plates of the pile body are tightly clamped in the same locking groove; the connecting plate, through the fixed locking of a plurality of lock screw rods on two different outer hoop plates, can install more conveniently, need not weld, only need ensure that two continuous pile shafts link together not can, and reserve less inclined space, make the pile shaft slightly adjust in the locking inslot of outer hoop plate, when the pile shaft falls into the stake hole and supports, under the action of gravity, the end plate of mutual butt joint can laminate completely automatically on two adjacent pile shafts, it is more stable to support, can ensure that the line of bearing is same straight line.
Description
Technical Field
The utility model relates to a stake connection technical field especially relates to a connecting device of prefabricated square pile.
Background
The precast pile can be divided into a prestressed pile and a non-prestressed pile, is produced industrially according to the national standard and has a high standardization degree. The precast pile is a hollow or solid concrete precast member which is made by a centrifugal forming method or a vibration forming method and is in a round, square or other shape, mainly comprises a pile body, an end plate, a steel hoop and the like, wherein the pile body is a steel bar added with prestress or non-prestress, the concrete is added to form the pile body, the steel bar in the pile body is tensioned by the steel hoop at two ends of the pile body, and finally the end plate is fixed at two ends of the outer side of the hoop and is used for connecting the pile body.
The connection of the precast pile is basically realized by welding, wherein the connection mode is to butt joint the upper end plate and the lower end plate orderly, and then the outer edges of the two aligned end plates on the pile body are welded according to the process requirements.
Because the pile body is heavy and long, the perpendicularity and the transverse deviation of the upper pile and the lower pile are guaranteed in the common construction process. The most difficult operation is the connection of upper and lower section piles, because of manual operation, it is difficult to make the end plates of two butt joints completely attached without deflection, welding deviation appears very easily during welding, and the problems of inclination angle, gap and the like appear between the end plates of two pile bodies, which affects the engineering quality.
Based on this, the utility model designs a connecting device of prefabricated square pile to solve above-mentioned problem.
Disclosure of Invention
An object of the utility model is to provide a connecting device of prefabricated square pile, it is more convenient to install, only need ensure about the section pile body link together not drop can, reserve less slope space moreover, make the pile body can slightly adjust in the locking inslot of hoop board, in the precast pile work progress, under the action of gravity, the end plate that two adjacent precast piles butt joint each other on one's body can laminate completely automatically, supports more stably, can ensure that the line of bearing is same straight line.
The utility model discloses a realize like this: a connecting device of a prefabricated square pile comprises a pile body, wherein the outer edge of the cross section is square, and end plates are fixedly arranged at two ends of the cross section;
the inner side of the outer hoop plate is provided with a locking groove, the outer hoop plate is tightly hooped outside the end plates of the two butted pile bodies,
the end plates of the two butted pile bodies are tightly clamped in the same locking groove, and the butt joint of the two adjacent outer hoop plates is positioned in the middle of each side edge of the pile body;
and the connecting plate is fixedly locked on two different outer hoop plates through a plurality of locking screw rods.
Furthermore, the outer sides of the bottoms of the connecting plate and the outer hoop plate are provided with wedge-shaped chamfers.
Further, the shape of locking groove is the same with the shape of end plate, the degree of depth of locking groove is greater than the protruding height of end plate, the clearance between locking groove and the end plate does not exceed 5 mm.
Further, the outer hoop plates are of an L-shaped integral structure, and each two butted end plates are hooped by 4 outer hoop plates which are hooped at the edges of the end plates.
Furthermore, the outer hoop plates are spliced into a square annular structure, and gaps which are not larger than 5mm are formed at the splicing positions between the adjacent outer hoop plates.
Furthermore, the outer hoop plate is provided with a screw hole, the connecting plate is provided with a through hole corresponding to the screw hole of the outer hoop plate, and the outer hoop plate and the connecting plate are connected and locked through a locking screw rod.
Further, the connecting plate is tightly attached to the outer hoop plate, and the locking screw is not in contact with the pile body.
Further, the thickness of the connecting plate is not less than 7 mm.
Further, the thickness of the outer hoop plate is not less than that of the connecting plate.
Further, the pile body is a prefabricated square pile.
The utility model has the advantages that: the utility model tightens the pile body which is orderly butted by using the outer hoop plates, restricts the end plates in the locking grooves, ensures that the end plates can not fall off from the locking grooves, can clamp two end plates in the locking grooves, has a very small clearance at the same time, allows the end plates to move slightly, tightens all the outer hoop plates by using the connecting plate after the adjustment is completed, thus ensuring that two pile bodies are tightened by the outer hoop plates, so that the connection is firm, the installation mode is convenient for butting, the operation of aligning at a specific angle can not occur, the butting error is reduced, and after the device is locked and fixed and is inserted into the pile hole, the dead weight of the pile bodies is very large, the end plates of the two butted pile bodies are not welded and fixed together, therefore, the pile bodies tightened in the same locking groove can also be pressed down by the dead weight, the end faces of the two aligned can be tightly adhered together due to the dead weight, form more stable support, and can not appear the inclination because the inseparable welding of butt joint, this device makes the pile body butt joint of two butt joints more laminate, does not have relative inclination and gap, and the axiality that so pile body supported is higher.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of the connection of square piles of the present invention;
fig. 2 is a top view of the square pile of the present invention;
fig. 3 is a schematic view of the splicing part of the pile body of the utility model;
fig. 4 is an internal schematic view of the locking groove of the present invention;
fig. 5 is a schematic cross-sectional view of the outer band plate of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-pile body, 11-end plate, 2-outer hoop plate, 21-locking groove, 3-connecting plate and 31-locking screw.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a technical solution: a connecting device of a prefabricated square pile comprises a pile body 1, wherein the outer edge of the cross section is square, and end plates 11 are fixedly arranged at two ends of the cross section;
the inner side of the outer hoop plate 2 is provided with a locking groove 21, the outer hoop plate 2 is tightly and externally hooped outside the end plates 11 of the two butted pile bodies 1,
the end plates 11 of the two butted pile bodies 1 are tightly clamped in the same locking groove 21, and the butt joint of the two adjacent outer hoop plates 2 is positioned in the middle of each side edge of the pile body 1;
connecting plate 3, through the fixed locking of a plurality of lock screw rods 31 on two different outer hoop plates 2, can be at the job site, the fine setting after the installation ensures that the end plate 11 of two pile bodies 1 of concatenation is finely tuned and is laminated after locking to under the effect of dead weight, can make the end plate 11 of two pile bodies 1 laminate completely, be the face support, and not only certain point or welding seam are supporting, and the laminating is more stable, and the straightness that hangs down is higher.
The outer sides of the bottoms of the connecting plate 3 and the outer hoop plate 2 are provided with wedge-shaped chamfers, and due to the wedge-shaped chamfer structure, when the pile body 1 drives the outer hoop plate 2 and the connecting plate 3 to sink into a pile hole, the lower side of the pile body is guided to be thinner, so that the pile body is not easily blocked by soil, and the sinking resistance of the pile body is reduced;
the shape of the locking groove 21 is the same as that of the end plate 11, the depth of the locking groove 21 is larger than the protruding height of the end plate 11, and the gap between the locking groove 21 and the end plate 11 is not more than 5mm, so that the locking groove 21 and the end plate 11 are tightly matched, the position can be finely adjusted, the installation is convenient, and the end plate 11 of the pile body 1 can be mutually extruded in the locking groove 21 to be more attached after the installation is finished;
the outer hoop plates 2 are spliced into a square annular structure, and gaps which are not larger than 5mm are formed at the splicing positions between the adjacent outer hoop plates 2, so that the device can be finely adjusted under the action of self weight after being placed in a pile hole, and the self-adaptive rear end plate 11 can be completely attached;
the outer hoop plate 2 is provided with a screw hole, the connecting plate 3 is provided with a through hole corresponding to the screw hole of the outer hoop plate 2, the outer hoop plate 2 and the connecting plate 3 are connected and locked through a locking screw rod 31 and are mutually locked through the screw hole and the locking screw rod 31, the position of the connecting plate 3 can be finely adjusted through the through hole of the connecting plate 3, the installation can be more convenient, the situation that the locking screw rod 31 cannot be inserted when the position is slightly staggered is avoided, the installation is convenient, the locking screw rod 31 can be locked with the screw hole of the outer hoop plate 2 and the horizontal and vertical positions limited by the connecting plate 3 are also limited, and therefore the two outer hoop plates 2 are locked;
the connecting plate 3 is tightly attached to the outer hoop plate 2, the locking screw 31 is not in contact with the pile body 1, so that the outer hoop plate 2 has a tightening force to tighten the pile body 1, the outer hoop plate 2 is not locked on the pile body 1 through a bolt, and the tightening force is required, so that the pile body 1 can be attached to the locking groove 21 of the outer hoop plate 2, and the locking screw 31 is not required for supporting;
the thickness of the connecting plate 3 is not less than 7mm, the connecting plate 3 needs enough strength and cannot be too thick, and pile holes are prevented from being blocked;
the thickness of the outer hoop plate 2 is not less than that of the connecting plate 3, so that the thickness of the outer hoop plate 2 is ensured, and the connecting strength of the connecting part of the two pile bodies 1 can also be ensured;
In a specific embodiment of the present invention:
the embodiment of the utility model provides a through providing a connecting device of prefabricated square pile, the utility model provides a technical problem be: 1. the existing connection mode of the prefabricated square pile is fixedly connected by welding, a worker welds on a construction site, the end plates 11 of two pile bodies 1 are difficult to be completely butted and tightly, and the two welded end plates 11 basically have an inclination angle and a gap, so that the support is unstable, the support verticality has a deflection angle, the support is unstable, the welding operation is troublesome, and the fixed connection mode is difficult to operate and is difficult to be butted accurately; 2. some other methods are that the two end plates 11 of the two pile bodies 1 are additionally provided with the meshing hooks in various ways so as to be completely fixed and locked together, so that the pile bodies need to be butted at a specific angle and installed and aligned to field conditions, and the operation of butting at the specific angle is very difficult, the construction difficulty is high, and the butting precision is poor; 3. because of the fixed connection mode, after the fixation is finished, no self-adaptive space exists, the inclination angle is too large, the problem occurs, the change is difficult, the inclination angle is in the inclined support condition for a long time, the influence on the main building is large, and the building deflection is likely to occur; 4. the pile body of circular shape square pile is connected and can not be considered square pile body 1 corner, the distribution of power is embraced to the connection suggestion of corner, general direction square pile is through the hoop butt joint of 4 straight plate shapes then with bolt locking on the pile body, such atress structure for be the bolt atress, the end plate 11 of the pile body of two butt joints can not closely laminate moreover, and the atress at corner makes 2 perks of outer hoop board break away from end plate 11 easily, cause the unhooking condition.
The realized technical effects are as follows: 1. the device is not fixed and welded completely and immovably, and the pile body 1 and the outer hoop plate 2 are fixedly inserted and tightly immovably by bolts, but the pile body 1 and the outer hoop plate 2 are tightly embraced by the outer hoop, so that two butted pile bodies 1 are not butted at a specific angle, and only the end plates 11 of the two pile bodies 1 are butted and attached;
2. because only the end plates 11 of two different pile bodies 1 are butted in the same locking groove 21, the installation is very convenient, welding is not needed, bolt holes do not need to be aligned, butt-joint hooks and butt-joint holes do not exist, and only the end plates 11 need to be clamped;
3. because the two end plates 11 are hooped in the locking grooves 21, the two end plates are fixed and cannot fall off, but are not completely welded and cannot move, after the device is installed in a pile hole, the two end plates 11 are tightly attached under the action of huge heavy pressure, and are pressed without any gap, so that the supporting force with higher perpendicularity can be provided;
4. through complete L-shaped outer hoop plate 2, and locking groove 21 is also fixed L-shaped, with the inseparable locking in locking groove 21 of end plate 11, ensure that end plate 11 can not break away from locking groove 21, and the atress is also more even, because butt joint connecting plate 3 is not in the corner of shaft 1, but is in the centre, and there is the gap between two adjacent outer hoop plates 2, just so make the L-shaped corner of locked outer hoop plate 2, cramp the corner of shaft 1, and continuously pull, ensure that locking groove 21 lasts to produce the pulling force of outer hoop to end plate 11, ensure that end plate 11 and locking groove 21 cooperate closely, the atress of the junction of this corner, the condition that circular outer hoop plate 2 can not consider.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows:
for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
The utility model discloses when installing and using, pile body 1 is all makeed in advance, every different building all has preset's pile hole degree of depth and diameter, can only install the pile body 1 of the supporting square precast pile of standard of makeed in advance in every different pile hole, then transport supporting pile body 1 to the job site, it is neat to dock two pile bodies 1 again, end plate 11 has all been fixed at the both ends of every pile body 1, end plate 11 has increased the reinforcing bar fixed then the concrete solidification becomes an organic whole with pile body 1 in, end plate 11 has all been fixed at each pile body 1 both ends, and end plate 11 needs to be mutually perpendicular with the axis of pile body 1, and two end plates 11 will be parallel, when the butt joint is installed, make the end plate 11 laminating of the concatenation of two pile bodies 1 inseparable;
the outer hoop plate 2 is matched with the end plate 11 in size and shape when manufactured, the height and depth of the locking groove 21 on the inner side of the outer hoop plate 2 are ensured to be matched with the end plate 11, the difference between the thickness of the two end plates 11 and the height of the locking groove 21 is not more than 5mm, the difference between the depth of the locking groove 21 and the height of the end plate 11 protruding out of the pile body 1 is not more than 5mm, namely, a plurality of outer hoop plates 2 are sleeved outside the two jointed end plates 11, and when the outer hoop plates 2 are connected end to tightly clamp the two end plates 11, the distance between the locking groove 21 and any gap of the two tightly jointed end plates 11 is not more than 5mm, the optimal distance is 3mm, then the outer hoop plate 2 sleeved outside the end plate 11 is locked through the connecting plate 3, the connecting plate 3 is a stainless steel plate, the plurality of locking screw rods 31 can lock the adjacent outer hoop plates 2, and the locking screw rods 31 are not locked with the pile body 1, therefore the two jointed end plates 11 are tightly clamped through the outer hoop plates 2, and is confined in the locking groove 21.
After the two pile bodies 1 which are butted and locked can be hoisted and placed into the pile hole, the weight of the pile body 1 is very large, the bearing pressure at the later stage is very large and can reach more than 300 tons, after the pile body 1 which is butted and locked is placed into the pile hole, the pile body 1 at the upper part can continuously extrude the pile body 1 at the lower part under the action of the dead weight, even if the two end plates 11 which are hooped by the outer hoop plate 2 are pressed down under the action of the dead weight, the gap between the end plates 11 which are originally installed when the pile body 1 is laid down can be pressed down by the dead weight, the suture line disappears, the end plates 11 of the two pile bodies 1 can be completely tightly jointed, the generation of the gap and the included angle between the two end plates 11 during the use is avoided, the two end plates 11 of the two pile bodies 1 which are spliced together can be really jointed with each other to form a complete supporting surface rather than the inclination angle formed by the circle of welding or the locking of bolts outside, only partially fixed points or lines are supported, for example, only welding points are used for supporting, the two end plates 11 are not attached, and the two pile bodies 1 locked by the bolts are also only supported by the bolts, so that the end plates 11 cannot be completely attached to cause the deflection of the bearing angle in a completely fixed mode, the deflection of the support cannot occur in the completely attached support of the device, the two end plates 11 are completely attached to each other, and the support has self-adaptability.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. The utility model provides a connecting device of prefabricated square pile which characterized in that: comprises that
The outer edge of the cross section of the pile body (1) is square, and end plates (11) are fixedly arranged at two ends of the pile body;
the inner side of the outer hoop plate (2) is provided with a locking groove (21), the outer hoop plate (2) is tightly and externally hooped outside the end plates (11) of the two butted pile bodies (1),
the end plates (11) of the two butted pile bodies (1) are tightly clamped in the same locking groove (21), and the butt joint of the two adjacent outer hoop plates (2) is positioned in the middle of each side edge of the pile body (1);
the connecting plate (3) is fixedly locked on two different outer hoop plates (2) through a plurality of locking screws (31).
2. A prefabricated square pile connecting device according to claim 1, wherein: the outer sides of the bottoms of the connecting plate (3) and the outer hoop plate (2) are provided with wedge-shaped chamfers.
3. A prefabricated square pile connecting device according to claim 1, wherein: the shape of locking groove (21) is the same with the shape of end plate (11), the degree of depth of locking groove (21) is greater than the protruding height of end plate (11), the clearance between locking groove (21) and end plate (11) is no longer than 5 mm.
4. A prefabricated square pile connecting device according to claim 3, wherein: the outer hoop plates (2) are of an L-shaped integral structure, every two butted end plates (11) are hooped by 4 outer hoop plates (2), and the outer hoop plates (2) are hooped at the edges of the end plates (11).
5. A prefabricated square pile connecting device according to claim 4, wherein: the outer hoop plates (2) are spliced into a square annular structure, and gaps which are not larger than 5mm are formed at the splicing positions between the adjacent outer hoop plates (2).
6. A prefabricated square pile connecting device according to claim 1, wherein: the connecting plate is characterized in that a screw hole is formed in the outer hoop plate (2), a through hole corresponding to the screw hole of the outer hoop plate (2) is formed in the connecting plate (3), and the outer hoop plate (2) and the connecting plate (3) are connected and locked through a locking screw rod (31).
7. A prefabricated square pile connecting device according to claim 1, wherein: the connecting plate (3) is tightly attached to the outer hoop plate (2), and the locking screw rod (31) is not in contact with the pile body (1).
8. A prefabricated square pile connecting device according to claim 1, wherein: the thickness of the connecting plate (3) is not less than 7 mm.
9. A prefabricated square pile connecting device according to claim 8, wherein: the thickness of the outer hoop plate (2) is not less than that of the connecting plate (3).
10. A prefabricated square pile connecting device according to claim 1, wherein: the pile body (1) is a prefabricated square pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871513.7U CN214005664U (en) | 2020-09-01 | 2020-09-01 | Connecting device of prefabricated square pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871513.7U CN214005664U (en) | 2020-09-01 | 2020-09-01 | Connecting device of prefabricated square pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214005664U true CN214005664U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021871513.7U Active CN214005664U (en) | 2020-09-01 | 2020-09-01 | Connecting device of prefabricated square pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214005664U (en) |
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2020
- 2020-09-01 CN CN202021871513.7U patent/CN214005664U/en active Active
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