CN215367213U - Anti-cracking steel composite concrete pipe pile - Google Patents
Anti-cracking steel composite concrete pipe pile Download PDFInfo
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- CN215367213U CN215367213U CN202023161563.9U CN202023161563U CN215367213U CN 215367213 U CN215367213 U CN 215367213U CN 202023161563 U CN202023161563 U CN 202023161563U CN 215367213 U CN215367213 U CN 215367213U
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Abstract
The utility model discloses a cracking-resistant steel composite concrete pipe pile, which belongs to the technical field of concrete pipe piles and comprises an inner pipe, wherein an outer pouring layer is arranged on the outer side of the inner pipe, a reinforcing steel bar A is arranged on one side in the pipe wall of the inner pipe, a reinforcing rib is welded on one side of the bottom end of the reinforcing steel bar A, a reinforcing steel bar B is welded on the bottom end of the reinforcing steel bar, a spiral rib is embedded and installed on the outer side of the inner pipe, one end of the inner pipe is fixedly connected with an end head, a groove is formed in the surface of one side of the outer pouring layer and is clamped and connected with a fixing ring, a threaded hole is formed in the fixing ring without measuring the fixing ring, a threading hole is formed in the top end of the fixing ring, a supporting plate is fixedly connected to the inner wall of the inner pipe, a supporting rod is welded and connected to the top end of the supporting plate, and a connecting block is fixedly connected to one side of the supporting rod. The anti-cracking steel composite concrete pipe pile has better anti-cracking capability, is convenient to butt joint and install, and is suitable for wide popularization and application.
Description
Technical Field
The utility model relates to the technical field of concrete pipe piles, in particular to a cracking-resistant steel composite concrete pipe pile.
Background
Concrete is a typical brittle material, the elastic modulus is high, and the compressive strength and the tensile strength have no linear correspondence. With the research of prestressed concrete pipe piles and square piles in recent years, the horizontal bearing capacity and the durability problem of the pressure steaming process adopted, particularly the horizontal bearing capacity of the foundation of the prestressed concrete pipe pile, have different viewpoints, so that national and partial provincial standards or drawing sets make relevant regulations, the application range of the prestressed concrete pipe pile is a non-earthquake-resistant area and areas with 6 and 7 degrees of earthquake fortification intensity, and if the prestressed concrete pipe pile is used in the areas with 8 degrees of earthquake fortification intensity, the calculation needs to be additionally carried out; or is not suitable for being used in the area with 8 degrees seismic fortification intensity. Therefore, the concrete pipe pile is a prefabricated pipe fitting for building construction, the existing concrete pipe pile is poor in cracking resistance, poor in stability and easy to damage in use, when the existing concrete pipe pile is installed, the outer surface of the concrete pipe pile is mostly bound through a rope, one end of the rope is connected with a crane, the concrete pipe pile is lifted up through the crane to move, but when the concrete pipe pile is moved, the rope is easy to slide on the surface of the concrete pipe pile and fall off from the concrete pipe pile, the concrete pipe pile is easy to injure workers, certain potential safety hazards exist, and therefore the concrete pipe pile is provided.
Patent No. 201220495922.0 discloses a compound concrete pipe pile of anti fracture steel, include concrete pipe pile body, steel reinforcement cage and fix the end plate at steel reinforcement cage both ends, the steel reinforcement cage comprises spiral muscle and main muscle, main muscle adopts non-prestressed reinforcement and spiral muscle rigid coupling. Has the advantages that: (1) the stress mode is reasonable, the HRB400 steel bars are used as the main steel bars of the steel reinforcement cage, and the steel bars with basically same stress can be conveniently controlled and obtained when cold drawing is carried out to improve the bending resistance bearing capacity of the tubular pile, so that the stress of the tubular pile is uniform, and the horizontal bearing capacity of the tubular pile can be greatly improved by the HRB400 steel bars; (2) the process flow is convenient and fast, all the main reinforcements of the reinforcement cage use HRB400 reinforcements, the spiral reinforcements are arranged on the outer sides of the main reinforcements, the connection can be completed in a roll welding mode, and the manufacturing efficiency of the tubular pile reinforcement cage is improved. The horizontal bearing capacity of the tubular pile can be effectively improved, and the use of the tubular pile in projects such as foundation pits, side slopes, embankments and the like and buildings with the seismic resistance grade of more than 7 can be increased.
The anti-cracking steel composite concrete pipe pile has some defects; 1. above-mentioned anti fracture steel composite concrete tubular pile when the installation, mostly connect concrete tubular pile surface through the rope binding, be connected rope one end and loop wheel machine, hoist concrete tubular pile through the loop wheel machine and remove, but when removing concrete tubular pile, the rope takes place to slide and drops from concrete tubular pile easily on concrete tubular pile surface, and concrete tubular pile injures the staff easily, has certain potential safety hazard. 2. The anti-cracking steel composite concrete pipe pile has poor anti-cracking performance and stability and is easy to damage in use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cracking-resistant steel composite concrete pipe pile, and aims to solve the problems of poor cracking resistance, poor stability and easiness in damage in use.
The specific technical scheme provided by the utility model is as follows:
the utility model provides a cracking-resistant steel composite concrete pipe pile which comprises an inner pipe, wherein an outer pouring layer is arranged on the outer side of the inner pipe, a reinforcing steel bar A is arranged on one side in the pipe wall of the inner pipe, a reinforcing rib is welded and connected to one side of the bottom end of the reinforcing steel bar A, a reinforcing steel bar B is welded and connected to the bottom end of the reinforcing steel bar A, a spiral rib is nested and installed on the outer side of the inner pipe, an end socket is fixedly connected to one end of the inner pipe, a groove is formed in the surface of one side of the outer pouring layer and is connected with a fixing ring in a clamping mode, a threaded hole is formed in the fixing ring in the non-measuring mode, a threading hole is formed in the top end of the fixing ring, a supporting plate is fixedly connected to the inner wall of the inner pipe, a supporting rod is welded and connected to the top end of the supporting rod, and a connecting block is fixedly connected to one side of the supporting rod.
Optionally, the support plate is in the shape of an arc plate.
Optionally, the strengthening rib has a plurality of, just the strengthening rib equidistance distributes between reinforcing bar A and reinforcing bar B.
Optionally, the inner side of the end head is provided with a connecting groove.
Optionally, the groove is an annular groove.
Optionally, the fixing ring and the groove are in an axisymmetric structure along the vertical central axis of the inner tube.
Optionally, the supporting plate, the supporting rod and the connecting block form a combined structure and are distributed in an annular array with the circle center of the inner pipe as a base point.
The utility model has the following beneficial effects:
1. the embodiment of the utility model provides a cracking-resistant steel composite concrete pipe pile, wherein a groove is formed in the surface of one side of an outer pouring layer, the groove is an annular groove, the annular groove is clamped with a fixing ring to further protect the pipe pile, the fixing ring is not provided with a threaded hole, the threaded hole is used for fixing the fixing ring on the surface of the outer pouring layer through mutual matching between a bolt and a nut, the top end of the fixing ring is provided with a threading hole, a rope is arranged on the top through the threading hole, and the situation that the rope slides off the outer side of the concrete pipe pile is avoided.
2. The nested installation spiral muscle in the inner tube outside, under the condition that the inner tube received pressure, the spiral muscle can play the effect of protection, avoids the inner tube fracture under the condition that receives pressure, the inboard erection bracing board of inner tube, the backup pad is the arc, and backup pad, bracing piece and connecting block become integrated configuration and use the centre of a circle of inner tube as basic point annular array distribution, and annular array distribution makes the extrusion force evenly distributed that the inner tube received, avoids causing the condition of fracture.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a crack-resistant steel composite concrete pipe pile according to an embodiment of the present invention;
fig. 2 is a schematic top view of an inner tube of a crack-resistant steel composite concrete pipe pile according to an embodiment of the present invention.
In the figure: 1. outer pouring layers; 2. an inner tube; 3. reinforcing steel bars A; 4. reinforcing steel bars B; 5. reinforcing ribs; 6. a spiral rib; 7. a tip; 8. connecting grooves; 9. a support plate; 10. a support bar; 11. connecting blocks; 12. a groove; 13. a stationary ring; 14. a threaded hole; 15. and (6) threading holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A concrete pile made of a crack-resistant steel composite according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 to 2, a crack-resistant steel composite concrete pipe pile according to an embodiment of the present invention includes an inner pipe 2, an outer pouring layer 1 is arranged on the outer side of the inner pipe 2, a steel bar A3 is arranged on one side in the pipe wall of the inner pipe 2, one side of the bottom end of the steel bar A3 is welded and connected with a reinforcing bar 5, the bottom end of the reinforcing bar 5 is welded and connected with a steel bar B4, the outer side of the inner pipe 2 is nested with a spiral rib 6, one end of the inner pipe 2 is fixedly connected with an end 7, a groove 12 is arranged on the surface of one side of the outer pouring layer 1, the groove 12 is connected with a fixed ring 13 in a clamping way, a threaded hole 14 is formed on the unterminated side of the fixed ring 13, a threading hole 15 is formed on the top end of the fixed ring 13, the inner wall of the inner tube 2 is fixedly connected with a supporting plate 9, the top end of the supporting plate 9 is connected with a supporting rod 10 in a welding mode, and one side of the supporting rod 10 is fixedly connected with a connecting block 11.
Referring to fig. 2, the supporting plate 9 is an arc-shaped plate, which concentrates and disperses the force better to make the extrusion force applied to the inner tube 2 be uniformly distributed, thereby avoiding cracking.
Referring to fig. 1, the reinforcing rib 5 has a plurality of, just reinforcing rib 5 equidistance distributes between reinforcing bar a3 and reinforcing bar B4, has increased the compressive strength of inner tube 2, improves concrete pipe pile's practicality.
Referring to fig. 1, the inner side of the end head 7 is provided with a connecting groove 8, and the end head 7 is convenient for butt joint of the pipe pile.
Referring to fig. 1, the groove 12 is an annular groove, and the annular groove is clamped with a fixing ring 13 to further protect the pipe pile.
Referring to fig. 1, retainer plate 13 and recess 12 are axisymmetric structure along the vertical axis of inner tube 2, are convenient for transport the tubular pile, avoid the condition that the rope entangles the tubular pile and drops easily.
Referring to fig. 2, the supporting plate 9, the supporting rod 10 and the connecting block 11 are distributed in an annular array structure with the center of the circle of the inner tube 2 as a base point, and the extrusion force applied to the inner tube 2 is uniformly distributed in the annular array structure, so that the cracking is avoided.
The utility model relates to a cracking-resistant steel composite concrete pipe pile, wherein a steel bar A3 is arranged on one side in the pipe wall of an inner pipe 2, a reinforcing rib 5 is welded and connected on one side of the bottom end of a steel bar A3, a steel bar B4 is welded and connected on the bottom end of the reinforcing rib 5, a plurality of reinforcing ribs 5 are arranged, the reinforcing ribs 5 are equidistantly distributed between the steel bar A3 and the steel bar B4, the compressive strength of the inner pipe 2 is increased, a spiral rib 6 is nested and installed on the outer side of the inner pipe 2, the spiral rib 6 can play a protection role under the condition that the inner pipe is stressed to avoid cracking of the inner pipe 2, a support plate 9 is installed on the inner side of the inner pipe 2, the support plate 9 is an arc plate, the support plate 9, a support rod 10 and a connecting block 11 are in a combined structure, the center of the circle of the inner pipe 2 is used as a base point, the annular array distribution enables the extrusion force on the inner pipe 2 to be uniformly distributed, the cracking condition is avoided, a groove 12 is formed on one side surface of an outer casting layer 1, recess 12 is the annular groove, and annular groove block retainer plate 13 further protects the tubular pile, and threaded hole 14 has not been surveyed to retainer plate 13, and threaded hole 14 passes through mutually supporting between bolt and the nut, fixes retainer plate 13 on outer 1 surfaces of pouring, and retainer plate 13 top has been seted up through wires hole 15, and with the rope in above through wires hole 15, avoid the rope to take place in the condition of concrete tubular pile outside landing, improves concrete tubular pile's practicality.
The utility model relates to a cracking-resistant steel composite concrete pipe pile, which comprises 1 an outer pouring layer; 2. an inner tube; 3. reinforcing steel bars A; 4. reinforcing steel bars B; 5. reinforcing ribs; 6. a spiral rib; 7. a tip; 8. connecting grooves; 9. a support plate; 10. a support bar; 11. connecting blocks; 12. a groove; 13. a stationary ring; 14. a threaded hole; 15. and (6) threading holes. The components are standard parts in general or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (7)
1. The utility model provides an anti-cracking steel composite concrete pipe pile, includes inner tube (2), its characterized in that, the inner tube (2) outside is provided with outer pouring layer (1), one side is provided with reinforcing bar A (3) in the inner tube (2) pipe wall, reinforcing bar A (3) bottom one side welded connection has strengthening rib (5), reinforcing rib (5) bottom welded connection has reinforcing bar B (4), nested installation spiral muscle (6) in the inner tube (2) outside, inner tube (2) one end fixed connection end (7), outer pouring layer (1) one side surface is seted up flutedly (12), recess (12) are connected with retainer plate (13) block, threaded hole (14) have not been seted up in retainer plate (13) survey, retainer plate (13) top has been seted up through wires hole (15), inner tube (2) inner wall fixed connection has backup pad (9), the supporting plate is characterized in that a supporting rod (10) is connected to the top end of the supporting plate (9) in a welded mode, and a connecting block (11) is fixedly connected to one side of the supporting rod (10).
2. A crack resistant steel composite concrete pipe pile according to claim 1, characterized in that the supporting plate (9) is in the shape of an arc plate.
3. A crack resistant steel composite concrete pipe pile according to claim 1, characterized in that there are several reinforcing bars (5), and the reinforcing bars (5) are equidistantly distributed between the reinforcing bars a (3) and the reinforcing bars B (4).
4. The anti-cracking steel composite concrete pipe pile according to claim 1, wherein the inner side of the end head (7) is provided with a connecting groove (8).
5. A crack resistant steel composite concrete pipe pile according to claim 1, characterized in that said groove (12) is an annular groove.
6. The anti-cracking steel composite concrete pipe pile according to claim 1, wherein the fixing ring (13) and the groove (12) are in an axisymmetric structure along the vertical central axis of the inner pipe (2).
7. The anti-cracking steel composite concrete pipe pile according to claim 1, wherein the supporting plates (9), the supporting rods (10) and the connecting blocks (11) are distributed in an annular array by taking the circle center of the inner pipe (2) as a base point in a combined structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161563.9U CN215367213U (en) | 2020-12-25 | 2020-12-25 | Anti-cracking steel composite concrete pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161563.9U CN215367213U (en) | 2020-12-25 | 2020-12-25 | Anti-cracking steel composite concrete pipe pile |
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| Publication Number | Publication Date |
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| CN215367213U true CN215367213U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023161563.9U Active CN215367213U (en) | 2020-12-25 | 2020-12-25 | Anti-cracking steel composite concrete pipe pile |
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