CN215888215U - Precast pile connection structure and precast pile connecting assembly - Google Patents
Precast pile connection structure and precast pile connecting assembly Download PDFInfo
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- CN215888215U CN215888215U CN202121546980.7U CN202121546980U CN215888215U CN 215888215 U CN215888215 U CN 215888215U CN 202121546980 U CN202121546980 U CN 202121546980U CN 215888215 U CN215888215 U CN 215888215U
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- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the field of buildings, and discloses a precast pile connecting structure and a precast pile connecting assembly, wherein the connecting structure comprises an upper outer cylinder (1) and a clamping female head (2), and the top surface of the upper outer cylinder (1) is provided with a positioning hole (101) for positioning a precast pile to be connected; the clamping female head (2) is connected in the upper outer cylinder (1) in a threaded manner and consists of a clamping inner cylinder (201) and an upper bayonet (202) which is arranged in the clamping inner cylinder and is made of spring steel, and the upper bayonet (202) is of a plane structure vertical to the central axis of the clamping inner cylinder (201); at least two notches (203) distributed circumferentially are formed in the edge of the upper bayonet (202), and the tail end of each notch (203) is located on the same circle of the plane where the upper bayonet (202) is located. Compared with the prior art, the utility model has the advantages of simple structure, convenient construction, transverse load resistance and effective improvement of pile splicing stability between every two precast piles.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a precast pile connecting structure and a precast pile connecting assembly.
Background
The precast pile is made of various materials and various forms (such as a wooden pile, a concrete square pile, a prestressed concrete tubular pile, a steel pile and the like) in a co-production construction site, and when the precast pile is used, the pile is driven into, pressed into or vibrated into the soil by using pile sinking equipment, wherein the concrete precast pile can bear larger load, is firm and durable and has high construction speed, and becomes one of pile types widely applied in the existing construction.
The connecting piece needs to be used for field pile extension in the prior art, the prefabricated parts are connected with the two ends of the connecting piece respectively, the connecting piece is fixed in a welding mode and the like, the coaxial connection of the prefabricated parts on the two sides needs to be guaranteed all the time in the pile extension process, the precision required by the pile extension mode is high, the construction difficulty is high, the working efficiency is low, the strength of a welded junction is low, the transverse load resistance is insufficient, and the prefabricated parts at the two ends are prone to fracture under the transverse load effect of a construction site.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: aiming at the problems in the prior art, the utility model provides a precast pile connecting structure and a precast pile connecting assembly, which are simple in structure, convenient and fast to construct, capable of resisting transverse load and capable of effectively improving the pile splicing stability between every two precast piles.
The technical scheme is as follows: the utility model provides a precast pile connecting structure which comprises an upper outer cylinder and a clamping female head, wherein the top surface of the upper outer cylinder is provided with a positioning hole for positioning a precast pile to be connected; the clamping female head is in threaded connection with the inside of the upper outer barrel and consists of a clamping inner barrel and an upper bayonet which is arranged in the clamping inner barrel and is made of spring steel, and the upper bayonet is of a plane structure vertical to the central axis of the clamping inner barrel; at least two openings distributed circumferentially are formed in the edge of the upper bayonet, and the tail end of each opening is located on the same circle of the plane where the upper bayonet is located.
Preferably, the inner diameter d1 of the positioning hole is larger than the outer diameter d2 of the reinforcing steel bar in the precast pile to be connected and smaller than the outer diameter d3 of the positioning head at the bottom of the reinforcing steel bar in the precast pile to be connected; the inner diameter d4 of the upper bayonet is smaller than the outer diameter d5 of a connector at the top of the reinforcing steel bar in the lower precast pile to be connected and is larger than the outer diameter d6 of the neck of the connector; the diameter d7 of the circle formed by the tail ends of the gaps is slightly smaller than the outer diameter d5 of the connector. Preferably, the diameter d7 is smaller than the outer diameter d 5-0.1 cm of the connector and larger than the inner diameter d 40.4-1.2 cm of the upper bayonet; the inner diameter d4 of the upper bayonet is smaller than the outer diameter d 50.05-0.3 cm of the connector; the purpose of design like this is in order to guarantee that the connector can enter into last bayonet socket smoothly, can prevent again that the bayonet socket is gone up in the connector roll-off, and the joint between precast pile and the connection structure is firm about guaranteeing to wait to connect.
Preferably, the joint inner tube sets up the external screw thread, go up the urceolus inner wall set up with external screw thread complex internal thread, the joint inner tube pass through the external screw thread with internal thread's cooperation threaded connection be in the urceolus inner wall. The female head of joint and last urceolus threaded connection are connected with the mode of using interior external screw thread, and such connected mode atress is even, and stress dispersion is better, and connects or the split is convenient, effectively prevents to become flexible under the effect of job site horizontal load between the female head of joint and the last urceolus, avoids treating to connect the precast pile consequently and with connection structure separation, avoids connecing the stake inefficacy.
The utility model also provides a precast pile connecting structure which comprises an upper outer cylinder, and a clamping female head and a clamping male head which are made of spring steel materials, wherein the top surface of the upper outer cylinder is provided with a positioning hole for positioning a precast pile to be connected; the clamping female head is in threaded connection with the inside of the upper outer barrel and consists of a clamping inner barrel and an upper bayonet arranged in the clamping inner barrel, and the upper bayonet is of a plane structure vertical to the central axis of the clamping inner barrel; the clamping male head consists of a clamping head, a cone and a lower connecting cylinder, the clamping head and the lower connecting cylinder are respectively arranged at two ends of the cone, the clamping head is clamped in the upper clamping opening, the bottom surface of the lower connecting cylinder is provided with a lower clamping opening, and the side wall of the lower connecting cylinder is provided with a mounting groove which is matched with the shape of a connector at the top of a reinforcing steel bar in a lower precast pile to be connected and is communicated with the lower clamping opening; at least two openings distributed circumferentially are formed in the edge of the upper bayonet, and the tail end of each opening is located on the same circle of the plane where the upper bayonet is located. When the connector at the top of the inner reinforcing steel bar of the lower precast pile is directly inserted into the upper bayonet of the clamping female head, because the upper bayonet is made of spring steel and is made of deformed steel, the connector is different in material and is likely to be clamped firmly, and the connector is easy to slide out of the upper bayonet, a clamping male head can be added on the precast pile connecting structure; after the clamping male head is added, the connector is clamped in the lower clamping opening of the lower connecting cylinder in the clamping male head, so that clamping is relatively firm, and the connector is not easy to slip.
Preferably, the inner diameter d1 of the positioning hole is larger than the outer diameter d2 of the reinforcing steel bar in the precast pile to be connected and smaller than the outer diameter d3 of the positioning head at the bottom of the reinforcing steel bar in the precast pile to be connected; the inner diameter d8 of the lower bayonet is smaller than the outer diameter d5 of the connecting head and larger than the outer diameter d6 of the neck of the connecting head; the diameter d7 of the circle formed by the tail end of each notch is slightly smaller than the outer diameter d9 of the chuck. Preferably, the diameter d7 is smaller than the outer diameter d9-0.1 cm of the chuck and larger than the inner diameter d 40.4-1.2 cm of the upper bayonet; the inner diameter d8 of the lower bayonet is smaller than the outer diameter d 50.05-0.3 cm of the connector; the purpose of design like this is in order to guarantee that the dop can enter into last bayonet smoothly, can prevent again that the dop roll-off from going up the bayonet, and the joint between the precast pile and the connection structure is firm under guaranteeing to wait to connect.
Preferably, the joint inner tube sets up the external screw thread, go up the urceolus inner wall set up with external screw thread complex internal thread, the joint inner tube pass through the external screw thread with internal thread's cooperation threaded connection be in the urceolus inner wall. The female head of joint and last urceolus threaded connection are connected with the mode of using interior external screw thread, and such connected mode atress is even, and stress dispersion is better, and connects or the split is convenient, effectively prevents to become flexible under the effect of job site horizontal load between the female head of joint and the last urceolus, avoids treating to connect the precast pile consequently and with connection structure separation, avoids connecing the stake inefficacy.
The utility model also provides a precast pile connecting structure which comprises an upper outer cylinder, a lower outer cylinder, a clamping female head and a clamping male head, wherein the clamping female head and the clamping male head are made of spring steel materials; the clamping female head is in threaded connection with the inside of the upper outer barrel and consists of a clamping inner barrel and an upper bayonet arranged in the clamping inner barrel, and the upper bayonet is of a plane structure vertical to the central axis of the clamping inner barrel; the clamping male head consists of a clamping head, a cone and a lower connecting cylinder, the clamping head and the lower connecting cylinder are respectively arranged at two ends of the cone, the clamping head is clamped in the upper clamping opening, the lower connecting cylinder is in threaded connection in the lower outer cylinder, and a clamping hole for clamping the lower precast pile to be connected is formed in the bottom end of the lower outer cylinder; at least two openings distributed circumferentially are formed in the edge of the upper bayonet, and the tail end of each opening is located on the same circle of the plane where the upper bayonet is located. In practical application, the chuck, the cone and the lower connecting cylinder in the clamping male head are usually formed integrally by the same material, and the material of the chuck is the same as that of the upper bayonet, so the lower connecting cylinder and the cone are both made of spring steel, if the lower bayonet of the lower connecting cylinder in the clamping male head is connected with the connector at the top of the inner reinforcing steel bar of the lower precast pile only through the lower bayonet, the problem that the material of the connector is different from that of the lower bayonet of the lower connecting cylinder still exists, so the lower outer cylinder is added in the precast pile connecting structure, the material of the lower outer cylinder is the same as that of the connector, and is all made of deformed steel, when in use, the tail of the inner reinforcing steel bar of the lower precast pile is inserted into the clamping hole at the tail end of the lower outer cylinder until the connector is clamped in the clamping hole, and then the lower connecting cylinder of the clamping male head is connected with the lower outer cylinder in a threaded manner, and the connection operation of the chuck, the lower connecting cylinder and the lower outer cylinder are simple and firm, after the lower outer barrel is added, the connector is clamped in the clamping hole of the lower outer barrel, and the lower outer barrel and the connector are both made of deformed steel bars, so that clamping is very firm, and the connector cannot slip.
Preferably, the inner diameter d1 of the positioning hole is larger than the outer diameter d2 of the reinforcing steel bar in the precast pile to be connected and smaller than the outer diameter d3 of the positioning head at the bottom of the reinforcing steel bar in the precast pile to be connected; the inner diameter d10 of the clamping hole is smaller than the outer diameter d5 of the connector and larger than the outer diameter d6 of the neck of the connector; the diameter d7 of the circle formed by the tail end of each notch is slightly smaller than the outer diameter d9 of the chuck. Preferably, the diameter d7 is smaller than the outer diameter d9-0.1 cm of the chuck and larger than the inner diameter d 40.4-1.2 cm of the upper bayonet; the inner diameter d10 of the clamping hole is smaller than the outer diameter d 50.05-0.3 cm of the connector; the purpose of design like this is in order to guarantee that the dop can enter into last bayonet smoothly, can prevent again that the dop roll-off from going up the bayonet, and the joint between the precast pile and the connection structure is firm under guaranteeing to wait to connect.
Preferably, the clamping inner cylinder is provided with an external thread, the inner wall of the upper outer cylinder is provided with an internal thread matched with the external thread, and the clamping inner cylinder is connected to the inner wall of the outer cylinder through the matched thread of the external thread and the internal thread; the connecting cylinder sets up the external screw thread down, urceolus inner wall set up down with external screw thread complex internal thread, the connecting cylinder passes through down the external screw thread with internal thread cooperation threaded connection is in urceolus inner wall down. The mode that uses internal and external screw thread is with urceolus and joint public first threaded connection down, and such connected mode atress is even, and stress dispersion is better, and connects or the split is convenient, effectively prevents to become flexible under the effect of job site transverse load between joint public first and the urceolus down, avoids waiting to connect down precast pile consequently and connection structure separation, avoids connecing a inefficacy.
The utility model also provides a precast pile connecting assembly which comprises an upper precast pile, a lower precast pile and the precast pile connecting structure, wherein the positioning head to be connected with the bottom of the reinforcing steel bar in the precast pile is inserted into the positioning hole on the top surface of the upper outer cylinder of the precast pile connecting structure; the connector at the top of the reinforcing steel bar in the lower precast pile is clamped in the upper clamping opening of the clamping female head of the precast pile connecting structure; the bottom surface of the pile body of the upper precast pile is attached to the top surface of the pile body of the lower precast pile;
or the precast pile connecting assembly comprises an upper precast pile, a lower precast pile and the precast pile connecting structure, and the positioning head to be connected with the bottom of the reinforcing steel bar in the precast pile is inserted into the positioning hole on the top surface of the upper outer cylinder of the precast pile connecting structure; the connector at the top of the reinforcing steel bar in the lower precast pile is clamped in the lower bayonet of the lower connecting cylinder in the clamping male head of the precast pile connecting structure, and the bottom surface of the pile body of the upper precast pile is attached to the top surface of the pile body of the lower precast pile;
or, precast pile coupling assembling include the precast pile, lower precast pile and precast pile connection structure, treat to connect the positioning head of going up precast pile interior reinforcement bottom and go deep into in precast pile connection structure's the last urceolus top surface locating hole, the connector card at reinforcement top in the precast pile is in down in the jack-up of precast pile connection structure's lower urceolus, just go up the pile body bottom surface of precast pile with laminate down between the pile body top surface of precast pile.
Has the advantages that: the precast pile connecting structure can effectively prevent the upper precast pile and the lower precast pile from being pulled out under the action of transverse load, improves the transverse load resistance between the upper precast pile and the lower precast pile, and improves the pile splicing stability between every two precast piles. The upper bayonet of the planar structure can be formed by stamping, and the planar structure has the advantages of easiness in processing and cost reduction.
Drawings
Fig. 1 is a sectional view of a precast pile connection structure in embodiment 1;
FIG. 2 is a bottom view of FIG. 1;
fig. 3 is a schematic view of the upper precast pile and the lower precast pile after successful pile extension by the precast pile connection structure in embodiment 1;
fig. 4 is a sectional view of a precast pile connection structure in embodiment 2;
fig. 5 is a schematic perspective view of a male snap connector according to embodiment 2;
fig. 6 is a bottom view of the snap male in embodiment 2;
fig. 7 is a view showing a state in which a connector at the top of a reinforcing steel bar in a lower precast pile is mounted in a snap-fit male head in embodiment 2;
fig. 8 is a schematic view of the upper precast pile and the lower precast pile after successful pile extension by the precast pile connection structure in embodiment 2;
fig. 9 is a sectional view of a precast pile connection structure in embodiment 3;
fig. 10 is a schematic view of the upper precast pile and the lower precast pile after successful pile extension by the precast pile connecting structure in embodiment 3.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Embodiment 1:
the embodiment provides a precast pile connecting structure, as shown in fig. 1 and 2, which mainly comprises an upper outer cylinder 1 and a clamping female head 2 made of a spring steel material, wherein the top surface of the upper outer cylinder 1 is provided with a positioning hole 101 for positioning a precast pile to be connected, and the inner diameter d1 of the positioning hole 101 is larger than the outer diameter d2 of a reinforcing steel bar 5 in the precast pile to be connected and is smaller than the outer diameter d 30.5-2 cm of a positioning head 6 at the bottom of the reinforcing steel bar 5. Female head 2 of joint comprises integrated into one piece's joint inner tube 201 and last bayonet 202, and joint inner tube 201 sets up the external screw thread, goes up 1 inner walls of urceolus and sets up the internal thread with external screw thread complex, and joint inner tube 201 passes through external screw thread and internal thread's cooperation threaded connection at 1 inner walls of urceolus. The upper bayonet 202 is of a plane structure perpendicular to a central axis of the clamping inner cylinder 201, and the inner diameter d4 of the upper bayonet 202 is smaller than the outer diameter d 50.05-0.3 cm of the connector 7 at the top of the reinforcing steel bar 9 in the lower precast pile to be connected and is larger than the outer diameter d6 of the neck part 8 of the connector 7; six notches 203 which are distributed circumferentially are formed in the edge of the upper bayonet 202, the tail ends of the notches 203 are located on the same circle of the plane where the upper bayonet 202 is located, and the diameter d7 of the circle formed by the tail ends of the notches 203 is smaller than the outer diameter d 5-0.1 cm of the connector 7 and larger than the inner diameter d 40.4-1.2 cm of the upper bayonet 202.
In the prefabricating process of connecting the precast pile, the connecting structure firstly sleeves the outer wall of the reinforcing steel bar 5 of the precast pile to be connected through the positioning hole 101 of the upper outer cylinder 1 of the connecting structure, the connecting structure is placed above the positioning head 6 at the top of the reinforcing steel bar 5, then concrete is poured on the outer wall of the reinforcing steel bar 5, and the pouring of the pile body 10 of the precast pile is completed. After the pile body is poured and formed, the clamping inner cylinder 201 of the clamping female head 2 is installed in the upper outer cylinder 1 in a threaded connection mode, and the installation of the connecting structure is achieved. And then, the connector 7 to be connected with the top end of the reinforcing steel bar 9 in the lower precast pile is directly inserted into the upper bayonet 202 in the clamping inner cylinder 201, because the upper bayonet 202 is made of a spring steel material, the inner diameter d4 of the upper bayonet 202 is smaller than the outer diameter d5 of the connector 7 and larger than the outer diameter d6 of the neck part 8 of the connector 7, and six notches 203 which are distributed along the radial direction of the upper bayonet 202 are arranged on the upper circumference of the upper bayonet 202. Therefore, the design of the connecting structure can guarantee that the connector 7 can be smoothly clamped into the upper bayonet 202, can prevent the connector 7 from sliding out of the upper bayonet 202, guarantees that the clamping between the precast pile and the clamping female head 2 to be connected is stable, can effectively avoid the connector 7 from being pulled out under the action of transverse load, improves the transverse load resistance of the connecting piece, and improves the pile splicing stability between every two precast piles. In the process that the connector 7 of the lower precast pile to be connected extends into the upper bayonet 202, the upper bayonet 202 has elasticity, the connector 7 can stretch the upper bayonet 202 to the periphery, and after the maximum outer diameter of the connector 7 penetrates through the upper bayonet 202 and is located above the upper bayonet, the neck part 8 of the connector 7 is clamped by the upper bayonet 202 due to the contraction of resilience force, so that the lower precast pile to be connected and the precast pile to be connected can be connected through the connector 7.
As shown in fig. 3, after pile splicing is completed, the positioning head 6 at the bottom of the reinforcing steel bar 5 in the upper precast pile extends into the positioning hole 101 at the top surface of the upper outer cylinder 1 of the connecting structure, the connector 7 at the top of the reinforcing steel bar 9 in the lower precast pile is clamped in the upper bayonet 202 of the clamping inner cylinder 201 of the clamping female head 2, and the bottom surface of the pile body 10 of the upper precast pile is tightly attached to the top surface of the pile body 11 of the lower precast pile.
Embodiment 2:
the embodiment provides a precast pile connecting structure, as shown in fig. 4 to 6, which mainly comprises an upper outer cylinder 1, a clamping female head 2 and a clamping male head 3, wherein the clamping female head and the clamping male head are made of spring steel materials, a positioning hole 101 for positioning a precast pile to be connected is formed in the top surface of the upper outer cylinder 1, and the inner diameter d1 of the positioning hole 101 is larger than the outer diameter d2 of a reinforcing steel bar 5 to be connected into the precast pile and is smaller than the outer diameter d 30.5-2 cm of a positioning head 6 at the bottom of the reinforcing steel bar 5. Female head 2 of joint comprises integrated into one piece's joint inner tube 201 and last bayonet 202, and joint inner tube 201 sets up the external screw thread, goes up 1 inner walls of urceolus and sets up the internal thread with external screw thread complex, and joint inner tube 201 passes through external screw thread and internal thread's cooperation threaded connection at 1 inner walls of urceolus. The upper bayonet 202 is a plane structure perpendicular to the central axis of the clamping inner cylinder 201, at least two circumferentially distributed openings 203 are formed in the edge of the upper bayonet 202, and the tail end of each opening 203 is located on the same circle of the plane where the upper bayonet 202 is located. The clamping male head 3 consists of a clamping head 301, a cone 302 and a lower connecting cylinder 303 which are integrally formed, the clamping head 301 and the lower connecting cylinder 303 are respectively arranged at two ends of the cone 302, the clamping head 301 is clamped in the upper clamping opening 202, the bottom surface of the lower connecting cylinder 303 is provided with a lower clamping opening 304, and the side wall is provided with a mounting groove 305 which is matched with the shape of a connector 7 at the top of a reinforcing steel bar 9 in the lower precast pile to be connected and is communicated with the lower clamping opening 304; the diameter d7 of the circle formed by the tail ends of the notches 203 is smaller than the outer diameter d9-0.1 cm of the clamping head 301 and larger than the inner diameter d 40.4-1.2 cm of the upper clamping opening 202, and the inner diameter d8 of the lower clamping opening 304 is smaller than the outer diameter d 50.05-0.3 cm of the connecting head 7 and larger than the outer diameter d6 of the neck part 8 of the connecting head 7.
In the prefabricating process of connecting the precast pile, the connecting structure firstly sleeves the outer wall of the reinforcing steel bar 5 of the precast pile to be connected through the positioning hole 101 of the upper outer cylinder 1 of the connecting structure, the connecting structure is placed above the positioning head 6 at the top of the reinforcing steel bar 5, then concrete is poured on the outer wall of the reinforcing steel bar 5, and the pouring of the pile body 10 of the precast pile is completed. Then inserting a connector 7 to be connected with the top of the reinforcing steel bar 9 in the lower precast pile through a mounting groove 305 of the side wall of the lower connecting cylinder 303 of the clamping male head 3, placing the connector in the lower connecting cylinder 303 and clamping the connector on the lower bayonet 304, as shown in fig. 7, and then pouring concrete on the outer wall of the reinforcing steel bar 9 to finish pouring of a pile body 11 of the lower precast pile; after the pile body is poured and formed, the clamping inner cylinder 201 of the clamping female head 2 is installed in the upper outer cylinder 1 in a threaded connection mode, the clamping head 301 of the clamping male head 3 is directly clamped into the upper bayonet 202 of the clamping female head 2, and the installation of the connecting structure is achieved.
As shown in fig. 8, after pile splicing is completed, the positioning head 6 at the bottom of the reinforcing steel bar 5 in the upper precast pile extends into the positioning hole 101 at the top surface of the upper outer barrel 1 of the connecting structure, the connector 7 at the top of the reinforcing steel bar 9 in the lower precast pile is clamped in the lower clamping opening of the clamping male head 3, and the bottom surface of the pile body 10 of the upper precast pile is tightly attached to the top surface of the pile body 11 of the lower precast pile.
Embodiment 3:
the embodiment provides a precast pile connecting structure, as shown in fig. 9, which mainly comprises an upper outer cylinder 1, a lower outer cylinder 4, a female clamping head 2 and a male clamping head 3, wherein the female clamping head 2 and the male clamping head 3 are made of spring steel materials, a positioning hole 101 for positioning a precast pile to be connected is arranged on the top surface of the upper outer cylinder 1, and the inner diameter d1 of the positioning hole 101 is larger than the outer diameter d2 of a reinforcing steel bar 5 to be connected in the precast pile and is smaller than the outer diameter d 30.5-2 cm of a positioning head 6 at the bottom of the reinforcing steel bar 5. Female head 2 of joint comprises integrated into one piece's joint inner tube 201 and last bayonet 202, and joint inner tube 201 sets up the external screw thread, goes up 1 inner walls of urceolus and sets up the internal thread with external screw thread complex, and joint inner tube 201 passes through external screw thread and internal thread's cooperation threaded connection at 1 inner walls of urceolus. The upper bayonet 202 is a plane structure perpendicular to the central axis of the clamping inner cylinder 201, at least two circumferentially distributed openings 203 are formed in the edge of the upper bayonet 202, and the tail end of each opening 203 is located on the same circle of the plane where the upper bayonet 202 is located. The clamping male head 3 is composed of a clamping head 301, a cone 302 and a lower connecting cylinder 303 which are integrally formed, the clamping head 301 and the lower connecting cylinder 303 are respectively arranged at two ends of the cone 302, the clamping head 301 is clamped in the upper clamping opening 202, the lower connecting cylinder 303 is provided with an external thread, the inner wall of the lower outer cylinder 4 is provided with an internal thread matched with the external thread, and the lower connecting cylinder 303 is connected with the inner wall of the lower outer cylinder 4 through the matched thread of the external thread and the internal thread. The bottom end of the lower outer barrel 4 is provided with a clamping hole 401 for clamping a lower precast pile to be connected; the diameter d7 of the circle formed by the tail ends of the notches 203 is smaller than the outer diameter d9-0.1 cm of the chuck 301 and larger than the inner diameter d 40.4-1.2 cm of the upper bayonet 202202. The inner diameter d10 of the clamping hole 401 is smaller than the outer diameter d 50.05-0.3 cm of the connector 7 and larger than the outer diameter d6 of the neck part 8 of the connector 7.
In the prefabricating process of connecting the precast pile, the connecting structure firstly sleeves the outer wall of the reinforcing steel bar 5 of the precast pile to be connected through the positioning hole 101 of the upper outer cylinder 1 of the connecting structure, the connecting structure is placed above the positioning head 6 at the top of the reinforcing steel bar 5, then concrete is poured on the outer wall of the reinforcing steel bar 5, and the pouring of the pile body 10 of the precast pile is completed. Then, the outer wall of the reinforcing steel bar 9 in the lower precast pile to be connected is sleeved with the lower bayonet 304 of the lower connecting cylinder 303 for clamping the male head 3, the lower bayonet is placed above the connector 7 at the top of the reinforcing steel bar 9, then concrete is poured on the outer wall of the reinforcing steel bar 9, and the pouring of the pile body 11 of the lower precast pile is completed; after the pile body is poured and formed, the clamping inner cylinder 201 of the clamping female head 2 is installed in the upper outer cylinder 1 in a threaded connection mode, the clamping head 301 of the clamping male head 3 is directly clamped into the upper bayonet 202 of the clamping female head 2, the lower connecting cylinder 303 of the clamping male head 3 is installed in the lower outer cylinder 4 in a threaded connection mode, and therefore the installation of the connecting structure is achieved.
As shown in fig. 10, the upper and lower precast piles are completed, and it can be seen that after the pile splicing is completed, the positioning head 6 at the bottom of the reinforcing steel bar 5 in the upper precast pile extends into the positioning hole 101 at the top surface of the upper outer cylinder 1 of the connecting structure, the connector 7 at the top of the reinforcing steel bar 9 in the lower precast pile is clamped in the clamping hole 401 of the lower outer cylinder 4, and the bottom surface of the pile body 10 of the upper precast pile is tightly attached to the top surface of the pile body 11 of the lower precast pile.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A precast pile connecting structure is characterized by comprising an upper outer cylinder (1) and a clamping female head (2), wherein the top surface of the upper outer cylinder (1) is provided with a positioning hole (101) for positioning a precast pile to be connected; the clamping female head (2) is in threaded connection with the inside of the upper outer barrel (1) and consists of a clamping inner barrel (201) and an upper bayonet (202) which is arranged in the clamping inner barrel and is made of spring steel, and the upper bayonet (202) is of a plane structure vertical to the central axis of the clamping inner barrel (201); at least two openings (203) distributed circumferentially are formed in the edge of the upper bayonet (202), and the tail end of each opening (203) is located on the same circle of the plane where the upper bayonet (202) is located.
2. The precast pile connection structure according to claim 1, wherein the inner diameter d1 of the positioning hole (101) is larger than the outer diameter d2 of the precast pile inner reinforcing steel bar (5) to be connected and smaller than the outer diameter d3 of the positioning head (6) at the bottom of the precast pile inner reinforcing steel bar (5) to be connected;
the inner diameter d4 of the upper bayonet (202) is smaller than the outer diameter d5 of a connector (7) at the top of a reinforcing steel bar (9) in the lower precast pile to be connected and is larger than the outer diameter d6 of a neck part (8) of the connector (7);
the diameter d7 of the circle formed by the tail end of each gap (203) is slightly smaller than the outer diameter d5 of the connector (7).
3. The precast pile connecting structure according to claim 1 or 2, characterized in that the clamping inner cylinder (201) is provided with an external thread, the inner wall of the upper outer cylinder (1) is provided with an internal thread matched with the external thread, and the clamping inner cylinder (201) is in threaded connection with the inner wall of the upper outer cylinder (1) through the matching of the external thread and the internal thread.
4. A precast pile connecting structure is characterized by comprising an upper outer cylinder (1), a clamping female head (2) and a clamping male head (3) which are made of spring steel materials, wherein the top surface of the upper outer cylinder (1) is provided with a positioning hole (101) for positioning a precast pile to be connected; the clamping female head (2) is in threaded connection with the inside of the upper outer barrel (1) and consists of a clamping inner barrel (201) and an upper bayonet (202) arranged in the clamping inner barrel, and the upper bayonet (202) is of a plane structure vertical to the central axis of the clamping inner barrel (201); the clamping male head (3) is composed of a clamping head (301), a cone (302) and a lower connecting cylinder (303), the clamping head (301) and the lower connecting cylinder (303) are respectively arranged at two ends of the cone (302), the clamping head (301) is clamped in the upper clamping opening (202), a lower clamping opening (304) is formed in the bottom surface of the lower connecting cylinder (303), and a mounting groove (305) which is matched with a connector (7) at the top of a reinforcing steel bar (9) in a lower precast pile to be connected in shape and communicated with the lower clamping opening (304) is formed in the side wall of the lower connecting cylinder (303); at least two openings (203) distributed circumferentially are formed in the edge of the upper bayonet (202), and the tail end of each opening (203) is located on the same circle of the plane where the upper bayonet (202) is located.
5. The precast pile connection structure according to claim 4, wherein the inner diameter d1 of the positioning hole (101) is larger than the outer diameter d2 of the precast pile inner reinforcing steel bar (5) to be connected and smaller than the outer diameter d3 of the positioning head (6) at the bottom of the precast pile inner reinforcing steel bar (5) to be connected;
the inner diameter d8 of the lower bayonet (304) is smaller than the outer diameter d5 of the connecting head (7) and larger than the outer diameter d6 of the neck part (8) of the connecting head (7);
the diameter d7 of the circle formed by the tail end of each notch (203) is slightly smaller than the outer diameter d9 of the clamping head (301).
6. The precast pile connecting structure according to claim 4 or 5, characterized in that the clamping inner cylinder (201) is provided with an external thread, the inner wall of the upper outer cylinder (1) is provided with an internal thread matched with the external thread, and the clamping inner cylinder (201) is in threaded connection with the inner wall of the upper outer cylinder (1) through the matching of the external thread and the internal thread.
7. A precast pile connecting structure is characterized by comprising an upper outer cylinder (1), a lower outer cylinder (4), a clamping female head (2) and a clamping male head (3) which are made of spring steel materials, wherein the top surface of the upper outer cylinder (1) is provided with a positioning hole (101) for positioning a precast pile to be connected; the clamping female head (2) is in threaded connection with the inside of the upper outer barrel (1) and consists of a clamping inner barrel (201) and an upper bayonet (202) arranged in the clamping inner barrel, and the upper bayonet (202) is of a plane structure vertical to the central axis of the clamping inner barrel (201); the clamping male head (3) is composed of a clamping head (301), a cone (302) and a lower connecting cylinder (303), the clamping head (301) and the lower connecting cylinder (303) are respectively arranged at two ends of the cone (302), the clamping head (301) is clamped in the upper clamping opening (202), the lower connecting cylinder (303) is in threaded connection with the lower outer cylinder (4), and a clamping hole (401) used for clamping a connector (7) of the lower precast pile to be connected is formed in the bottom end of the lower outer cylinder (4); at least two openings (203) distributed circumferentially are formed in the edge of the upper bayonet (202), and the tail end of each opening (203) is located on the same circle of the plane where the upper bayonet (202) is located.
8. The precast pile connection structure according to claim 7, wherein the inner diameter d1 of the positioning hole (101) is larger than the outer diameter d2 of the precast pile inner reinforcing steel bar (5) to be connected and smaller than the outer diameter d3 of the positioning head (6) at the bottom of the precast pile inner reinforcing steel bar (5) to be connected;
the inner diameter d10 of the clamping hole (401) is smaller than the outer diameter d5 of the connecting head (7) and larger than the outer diameter d6 of the neck part (8) of the connecting head (7);
the diameter d7 of the circle formed by the tail end of each notch (203) is slightly smaller than the outer diameter d9 of the clamping head (301).
9. The precast pile connecting structure according to claim 7 or 8, characterized in that the clamping inner cylinder (201) is provided with an external thread, the inner wall of the upper outer cylinder (1) is provided with an internal thread matched with the external thread, and the clamping inner cylinder (201) is connected to the inner wall of the upper outer cylinder (1) through the matching thread of the external thread and the internal thread;
connecting cylinder (303) sets up the external screw thread down, urceolus (4) inner wall set up down with external screw thread complex internal thread, connecting cylinder (303) passes through down the external screw thread with internal screw thread complex threaded connection is in urceolus (4) inner wall down.
10. A precast pile connecting assembly, characterized by comprising an upper precast pile, a lower precast pile and a precast pile connecting structure according to any one of claims 1 to 3, wherein the positioning head (6) to be connected with the bottom of the precast pile inner reinforcing steel bar (5) is inserted into the positioning hole (101) on the top surface of the upper outer cylinder (1) of the precast pile connecting structure; the connector (7) at the top of the reinforcing steel bar (9) in the lower precast pile is clamped in the upper bayonet (202) of the clamping female head (2) of the precast pile connecting structure; the bottom surface of the pile body (10) of the upper precast pile is attached to the top surface of the pile body (11) of the lower precast pile;
or, the precast pile connecting assembly comprises an upper precast pile, a lower precast pile and a precast pile connecting structure according to any one of claims 4 to 6, wherein the positioning head (6) to be connected with the bottom of the precast pile inner reinforcing steel bar (5) is inserted into the positioning hole (101) on the top surface of the upper outer cylinder (1) of the precast pile connecting structure; the connector (7) at the top of the reinforcing steel bar (9) in the lower precast pile is clamped in a lower bayonet (304) of a lower connecting cylinder (303) in the clamping male head (3) of the precast pile connecting structure, and the bottom surface of the pile body (10) of the upper precast pile is attached to the top surface of the pile body (11) of the lower precast pile;
or, the precast pile connecting component comprises an upper precast pile, a lower precast pile and the precast pile connecting structure according to any one of claims 7 to 9, wherein a positioning head (6) to be connected with the bottom of the reinforcing steel bar (5) in the precast pile extends into the positioning hole (101) on the top surface of the upper outer cylinder (1) of the precast pile connecting structure, a connecting head (7) at the top of the reinforcing steel bar (9) in the lower precast pile is clamped in the clamping hole (401) of the lower outer cylinder (4) of the precast pile connecting structure, and the bottom surface of the pile body (10) of the upper precast pile is attached to the top surface of the pile body (11) of the lower precast pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546980.7U CN215888215U (en) | 2021-07-08 | 2021-07-08 | Precast pile connection structure and precast pile connecting assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546980.7U CN215888215U (en) | 2021-07-08 | 2021-07-08 | Precast pile connection structure and precast pile connecting assembly |
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| CN215888215U true CN215888215U (en) | 2022-02-22 |
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| CN202121546980.7U Expired - Fee Related CN215888215U (en) | 2021-07-08 | 2021-07-08 | Precast pile connection structure and precast pile connecting assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991132A (en) * | 2022-06-30 | 2022-09-02 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile quick joint and connecting method thereof |
| CN114991123A (en) * | 2022-06-30 | 2022-09-02 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile and connecting method thereof |
| CN115142402A (en) * | 2022-06-30 | 2022-10-04 | 安徽省交通规划设计研究总院股份有限公司 | Quick-connection prefabricated pile cap for composite foundation and connection method thereof |
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2021
- 2021-07-08 CN CN202121546980.7U patent/CN215888215U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991132A (en) * | 2022-06-30 | 2022-09-02 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile quick joint and connecting method thereof |
| CN114991123A (en) * | 2022-06-30 | 2022-09-02 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile and connecting method thereof |
| CN115142402A (en) * | 2022-06-30 | 2022-10-04 | 安徽省交通规划设计研究总院股份有限公司 | Quick-connection prefabricated pile cap for composite foundation and connection method thereof |
| CN115142402B (en) * | 2022-06-30 | 2023-08-22 | 安徽省交通规划设计研究总院股份有限公司 | Quick-connection prefabricated pile cap for composite foundation and connection method thereof |
| CN114991132B (en) * | 2022-06-30 | 2023-12-22 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile quick connector and connecting method thereof |
| CN114991123B (en) * | 2022-06-30 | 2024-02-09 | 安徽省交通规划设计研究总院股份有限公司 | Precast pile and connecting method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221011 Address after: Room 1218, Building 1, Data Center, Software Park, Hubin New District, Suqian City, Jiangsu Province, 223800 Patentee after: Jiangsu Bangchuang Construction Co.,Ltd. Address before: 223800 South Huanghe Road, Suqian City, Jiangsu Province, 399 Patentee before: SUQIAN College |
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Granted publication date: 20220222 |