CN213173702U - Connecting piece between two precast piles and two precast pile connecting components - Google Patents
Connecting piece between two precast piles and two precast pile connecting components Download PDFInfo
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- CN213173702U CN213173702U CN202021658361.2U CN202021658361U CN213173702U CN 213173702 U CN213173702 U CN 213173702U CN 202021658361 U CN202021658361 U CN 202021658361U CN 213173702 U CN213173702 U CN 213173702U
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Abstract
The utility model relates to the field of construction, and discloses a connecting piece between two pairs of precast piles, which comprises an outer barrel, a positioning inner barrel, a positioning nut and a clamping piece made of elastic materials, wherein the top surface of the outer barrel is provided with a positioning hole for positioning a precast pile to be connected, the positioning inner barrel is arranged in the outer barrel, and the clamping piece is positioned and fixed in the outer barrel through the positioning inner barrel and the positioning nut; the internal diameter of locating hole is greater than treat to connect the external diameter of going up the interior reinforcing bar of precast pile and be less than the external diameter of the location head of reinforcing bar bottom, the internal diameter of the bayonet socket of joint spare is less than treat to connect the external diameter of the connector at reinforcing bar top in the precast pile down and be greater than the external diameter of the neck of connector. Compared with the prior art, the utility model discloses simple structure, it is convenient to be under construction, can resist horizontal load simultaneously, effectively improves the stability of pile extension between two liang of precast piles.
Description
Technical Field
The utility model relates to a building field, in particular to connecting piece and two liang of precast pile coupling assembling between two liang of precast piles.
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: to the problem that exists among the prior art, the utility model provides a connecting piece and two liang of precast pile coupling assembling between two liang of precast piles, simple structure, it is convenient to be under construction, can resist horizontal load simultaneously, effectively improves the stability of pile extension between two liang of precast piles.
The technical scheme is as follows: the utility model provides a connecting piece between two precast piles, which comprises an outer cylinder, a positioning inner cylinder, a positioning nut and a clamping piece made of elastic materials, wherein the top surface of the outer cylinder is provided with a positioning hole for positioning the precast pile to be connected, the positioning inner cylinder is arranged in the outer cylinder, and the clamping piece is positioned and fixed in the outer cylinder through the positioning inner cylinder and the positioning nut; the internal diameter of locating hole is greater than treat to connect the external diameter of going up the interior reinforcing bar of precast pile and be less than the external diameter of the location head of reinforcing bar bottom, the internal diameter of the bayonet socket of joint spare is less than treat to connect the external diameter of the connector at reinforcing bar top in the precast pile down and be greater than the external diameter of the neck of connector.
Preferably, the clamping piece consists of a positioning edge, a conical side wall and the bayonet, the bayonet is arranged at the smaller opening end of the conical side wall, the positioning edge is arranged at the larger opening end of the conical side wall, and the positioning edge is clamped between the positioning inner cylinder and the positioning nut; at least two openings which are axially distributed are formed in the circumference of the bayonet, and the openings extend to the upper part of the conical side wall. Treat that the connector of connecting lower precast pile stretches into the in-process to the bayonet socket top along the bottom from the location, because the connecting piece has elasticity, the connector can strut the bayonet socket to all around, passes the bayonet socket and is located behind the bayonet socket top until the biggest external diameter of connector, and the buckle is because the neck portion that resilience force shrink blocked the connector, just so can realize will treat to connect lower precast pile through the connector and be connected to on the connecting piece.
Preferably, the bottom end of each notch is located in the same plane, and the diameter of a circular surface formed by the intersection of the plane and the inner wall of the conical side wall is smaller than the outer diameter of the connector and larger than the inner diameter of the bayonet. The purpose of design like this is in order to guarantee that the connector can enter into the bayonet socket smoothly, can prevent again that the connector roll-off bayonet socket from, and the joint between the precast pile and the connecting piece is firm under guaranteeing to wait to connect.
Preferably, the diameter d7 of the round surface 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 bayonet. The purpose of design like this is in order to guarantee that the connector can enter into the bayonet socket smoothly, can prevent again that the connector roll-off bayonet socket from, and the joint between the precast pile and the connecting piece is firm under guaranteeing to wait to connect.
Preferably, the locating rim, the tapered side wall and the bayonet are integrally formed. Each part of joint spare is through integrated into one piece, can guarantee the firm of joint spare.
Preferably, the positioning nut is provided with an external thread, the inner wall of the bottom end of the outer barrel is provided with an internal thread matched with the external thread, and the positioning nut is connected to the inner wall of the bottom end of the outer barrel through the matched thread of the external thread and the internal thread. The clamping piece is positioned in the outer barrel between the positioning nut and the positioning inner barrel through threaded connection between the positioning nut and the outer barrel, the stress is uniform in the positioning mode relative to bolt fixing, stress dispersion is good, the clamping piece is effectively prevented from being loosened under the action of transverse load of a construction site, the precast pile to be connected is prevented from being separated from the connecting piece, and pile splicing failure is avoided.
Preferably, the outer wall of the positioning inner cylinder is attached to the inner wall of the outer cylinder. The design is so designed mainly to consider that the clamping piece can be better positioned in the outer barrel through the matching of the positioning inner barrel and the positioning nut.
Preferably, the inner diameter d4 of the bayonet of the clamping piece 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 the bayonet socket smoothly, can prevent again that the connector roll-off bayonet socket from, and the joint between the precast pile and the connecting piece is firm under guaranteeing to wait to connect.
The utility model also provides an improved precast pile coupling assembling, including last precast pile, lower precast pile and the connecting piece, go up the positioning head of reinforcing bar bottom in the precast pile and deepen to in the urceolus top surface locating hole of connecting piece, the connector card at reinforcing bar top in the precast pile is in down in the bayonet socket of the joint spare of connecting piece, just go up the pile body bottom surface of precast pile with laminate between the pile body top surface of precast pile down.
Has the advantages that: in the utility model, in fact, in the prefabrication process of connecting the precast pile, the connecting piece is sleeved on the outer wall of the reinforcing steel bar of the precast pile to be connected through the positioning hole of the outer cylinder, the connecting piece is placed above the positioning head at the top of the reinforcing steel bar, then concrete is poured on the outer wall of the reinforcing steel bar, the pouring of the pile body is completed, after the pouring is completed, the positioning inner cylinder, the joint piece and the positioning nut are sequentially installed in the outer cylinder, the installation of the connecting piece is realized, then the connecting head at the top end of the reinforcing steel bar in the precast pile to be connected is directly inserted into the bayonet of the joint piece, because the joint piece is made of elastic material, the inner diameter of the bayonet of the joint piece is smaller than the outer diameter of the connecting head and larger than the outer diameter of the neck part of the connecting head, the connecting head can smoothly enter the bayonet joint, the sliding-, and the connector can be effectively prevented from being pulled out under the action of transverse load, the transverse load resistance of the connecting piece is improved, and the pile splicing stability between every two precast piles is improved.
Drawings
Fig. 1 is a cross-sectional view of a connection member between two precast piles;
FIG. 2 is a schematic perspective view of the clip member;
FIG. 3 is a schematic view showing the state where the connecting member is installed with the upper precast pile and is not installed with the lower precast pile;
fig. 4 is a schematic view of the upper precast pile and the lower precast pile after pile splicing by the connecting piece is successful.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Embodiment 1:
the embodiment provides a connecting piece between two precast piles, which is shown in figures 1 to 4 and mainly comprises an outer cylinder 1, a positioning inner cylinder 2, a positioning nut 3 and a clamping piece 4 made of elastic materials, wherein the top surface of the outer cylinder 1 is provided with a positioning hole 101 for positioning the 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; the positioning inner cylinder 2 is arranged in the outer cylinder 1, and the outer wall of the positioning inner cylinder 2 is attached to the inner wall of the outer cylinder 1. The clamping piece 4 is fixed in the outer barrel 1 through the positioning inner barrel 2 and the positioning nut 3. Set nut 3 sets up the external screw thread, 1 bottom inner wall of urceolus set up with external screw-thread fit's internal thread, and set nut 3 is through external screw thread and internal screw-thread fit threaded connection at 1 bottom inner wall of urceolus.
The clamping piece 4 consists of a positioning edge 402, a conical side wall 403 and a clamping opening 401 which are integrally formed, the clamping opening 401 is arranged at the smaller opening end of the conical side wall 403, the positioning edge 402 is arranged at the larger opening end of the conical side wall 403, and the positioning edge 402 is clamped between the positioning inner cylinder 2 and the positioning nut 3; at least two notches 404 which are axially distributed are formed in the upper circumference of the bayonet 401, the notches 404 extend to the upper portion of the conical side wall 403, and the inner diameter d4 of the bayonet 401 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 precast pile to be connected and is larger than the outer diameter d 60.2-0.8 cm of the neck portion 8 of the connector 7. The bottom ends of the gaps 404 are located in the same plane, and the diameter d7 of a circular surface formed by the intersection of the plane and the inner wall of the conical side wall 403 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 bayonet 401.
In the prefabrication process of connecting the precast pile, the connecting piece is firstly sleeved on the outer wall of the reinforcing steel bar of the precast pile to be connected through the positioning hole 101 of the outer cylinder 1, and is placed above the positioning head 6 at the top of the reinforcing steel bar, then concrete is poured on the outer wall of the reinforcing steel bar, and the pouring of the pile body is completed. After the pile body is poured and formed, the positioning inner cylinder 2 is installed in the outer cylinder 1, then the bayonet 401 of the clamping piece 4 is installed at the bottom of the positioning inner cylinder 2 upwards, the top surface of the positioning edge 402 of the positioning inner cylinder supports against the bottom surface of the positioning inner cylinder 2, then the positioning nut 3 is connected to the inner wall of the outer cylinder 1 through the external thread of the positioning nut to compress the positioning edge 402, and therefore the connection piece and the prefabricated pile to be connected are installed. Then as shown in fig. 3, the connector 7 at the top end of the reinforcing steel bar 9 in the lower precast pile to be connected is directly inserted into the bayonet 401 of the fastener 4 according to the arrow direction shown in the figure, because the fastener 4 is made of elastic material, the inner diameter d4 of the bayonet 401 of the fastener 4 is smaller than the outer diameter d5 of the connector 7 and is larger than the outer diameter d6 of the neck 8 of the connector 7, and four strip-shaped gaps 404 axially distributed along the bayonet 401 are circumferentially arranged on the bayonet 401, and the four gaps 404 extend to the upper part of the conical side wall 403. Therefore, the design of the connecting piece can ensure that the connecting head 7 can be smoothly clamped into the bayonet 401, and can prevent the connecting head 7 from sliding out of the bayonet 401, so that the clamping between the precast pile and the connecting piece is ensured to be stable under the condition of connection, the connecting head 7 can be effectively prevented from being pulled out under the action of transverse load, the transverse load resistance of the connecting piece is improved, and the pile connecting stability between every two precast piles is improved.
As shown in fig. 4, 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 outer cylinder 1 of the connecting piece, the connector 7 at the top of the reinforcing steel bar 9 in the lower precast pile is clamped in the bayonet 401 of the clamping piece 4 of the connecting piece, 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 only for illustrating the technical concept 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 to implement the present invention, which cannot 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 by the protection scope of the present invention.
Claims (8)
1. The connecting piece between every two precast piles is characterized by comprising an outer barrel (1), a positioning inner barrel (2), a positioning nut (3) and a clamping piece (4) made of elastic materials, wherein the top surface of the outer barrel (1) is provided with a positioning hole (101) used for positioning a precast pile to be connected, the positioning inner barrel (2) is arranged in the outer barrel (1), and the clamping piece (4) is positioned and fixed in the outer barrel (1) through the positioning inner barrel (2) and the positioning nut (3); internal diameter d1 of locating hole (101) is greater than treat to connect the external diameter d2 of interior reinforcing bar of precast pile (5) and be less than treat to connect the external diameter d3 of the location head (6) of interior reinforcing bar of precast pile (5) bottom, the internal diameter d4 of bayonet (401) of joint spare (4) is less than treat to connect the external diameter d5 of connector (7) at interior reinforcing bar of precast pile (9) top down and be greater than the external diameter d6 of neck (8) of connector (7).
2. A connection piece between two precast piles according to claim 1, wherein the clamping piece (4) is composed of a positioning edge (402), a tapered side wall (403) and a clamping opening (401), the clamping opening (401) is arranged at the smaller opening end of the tapered side wall (403), the positioning edge (402) is arranged at the larger opening end of the tapered side wall (403), and the positioning edge (402) is clamped between the positioning inner cylinder (2) and the positioning nut (3); at least two axially distributed notches (404) are formed in the circumference of the bayonet (401), and the notches (404) extend to the upper part of the conical side wall (403).
3. A connector between two precast piles according to claim 2, wherein the bottom ends of the gaps (404) are located in the same plane, and the diameter d7 of a circular plane formed by the intersection of the plane and the inner wall of the conical side wall (403) is smaller than the outer diameter d5 of the connecting head (7) and larger than the inner diameter d4 of the bayonet (401).
4. A connecting piece between two precast piles according to claim 3, wherein the diameter d7 of the round surface is smaller than the outer diameter d 5-0.1 cm of the connecting head and larger than the inner diameter d 40.4-1.2 cm of the bayonet.
5. A connection between two precast piles according to claim 2, wherein the positioning rim (402), the tapered side wall (403) and the bayonet (401) are integrally formed.
6. A connecting piece between two precast piles according to any one of claims 1 to 5, characterized in that the positioning nut (3) is provided with an external thread, the inner wall of the bottom end of the outer cylinder (1) is provided with an internal thread matched with the external thread, and the positioning nut (3) is connected to the inner wall of the bottom end of the outer cylinder (1) through the matched thread of the external thread and the internal thread.
7. A connection between two precast piles according to any of claims 1 to 5, characterized in that the outer wall of the positioning inner cylinder (2) is attached to the inner wall of the outer cylinder (1).
8. A connecting piece between two precast piles according to any one of claims 1 to 5, wherein the inner diameter d4 of the bayonet (401) of the clamping piece (4) is smaller than the outer diameter d 50.05-0.3 cm of the connecting head (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120759530.XU CN215758996U (en) | 2020-08-11 | 2020-08-11 | Two-by-two precast pile connecting assembly |
| CN202021658361.2U CN213173702U (en) | 2020-08-11 | 2020-08-11 | Connecting piece between two precast piles and two precast pile connecting components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658361.2U CN213173702U (en) | 2020-08-11 | 2020-08-11 | Connecting piece between two precast piles and two precast pile connecting components |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120759530.XU Division CN215758996U (en) | 2020-08-11 | 2020-08-11 | Two-by-two precast pile connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213173702U true CN213173702U (en) | 2021-05-11 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021658361.2U Active CN213173702U (en) | 2020-08-11 | 2020-08-11 | Connecting piece between two precast piles and two precast pile connecting components |
| CN202120759530.XU Active CN215758996U (en) | 2020-08-11 | 2020-08-11 | Two-by-two precast pile connecting assembly |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120759530.XU Active CN215758996U (en) | 2020-08-11 | 2020-08-11 | Two-by-two precast pile connecting assembly |
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| CN (2) | CN213173702U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431034A (en) * | 2021-06-23 | 2021-09-24 | 江苏麦廊新材料科技有限公司 | Precast pile cavity, protective pile with same, protective pile assembly and cavity forming die |
| CN113618875A (en) * | 2021-09-14 | 2021-11-09 | 连云港市连大管桩工程有限公司 | Precast concrete square pile with reinforced connecting structure and production method thereof |
| CN114382074A (en) * | 2021-11-30 | 2022-04-22 | 江苏联浦建材科技有限公司 | Concrete prefabricated part connecting structure, prefabricated pile, prefabricated pipe box and irrigation ditch |
| CN114382074B (en) * | 2021-11-30 | 2024-05-17 | 江苏联浦建材科技有限公司 | Precast concrete connecting structure, precast pile, precast pipe box and filling canal |
-
2020
- 2020-08-11 CN CN202021658361.2U patent/CN213173702U/en active Active
- 2020-08-11 CN CN202120759530.XU patent/CN215758996U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431034A (en) * | 2021-06-23 | 2021-09-24 | 江苏麦廊新材料科技有限公司 | Precast pile cavity, protective pile with same, protective pile assembly and cavity forming die |
| CN113431034B (en) * | 2021-06-23 | 2023-06-20 | 江苏麦廊新材料科技有限公司 | Precast pile cavity, protection pile with precast pile cavity, protection pile assembly and cavity forming die |
| CN113618875A (en) * | 2021-09-14 | 2021-11-09 | 连云港市连大管桩工程有限公司 | Precast concrete square pile with reinforced connecting structure and production method thereof |
| CN114382074A (en) * | 2021-11-30 | 2022-04-22 | 江苏联浦建材科技有限公司 | Concrete prefabricated part connecting structure, prefabricated pile, prefabricated pipe box and irrigation ditch |
| CN114382074B (en) * | 2021-11-30 | 2024-05-17 | 江苏联浦建材科技有限公司 | Precast concrete connecting structure, precast pile, precast pipe box and filling canal |
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| Publication number | Publication date |
|---|---|
| CN215758996U (en) | 2022-02-08 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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 |