CN117107752B - Section reinforcement prestress hollow pile and testing device - Google Patents

Section reinforcement prestress hollow pile and testing device Download PDF

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Publication number
CN117107752B
CN117107752B CN202311352871.5A CN202311352871A CN117107752B CN 117107752 B CN117107752 B CN 117107752B CN 202311352871 A CN202311352871 A CN 202311352871A CN 117107752 B CN117107752 B CN 117107752B
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China
Prior art keywords
pile
periphery
seat
prestressed
supporting
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CN202311352871.5A
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CN117107752A (en
Inventor
刘永超
刘洁
宋晓光
李刚
陆鸿宇
张阳
孙友为
王玉琢
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TIANJIN JIANCHENG JIYE GROUP CO Ltd
Tianjin Jiancheng Foundation Pipe Pile Co ltd
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TIANJIN JIANCHENG JIYE GROUP CO Ltd
Tianjin Jiancheng Foundation Pipe Pile Co ltd
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Priority to CN202311352871.5A priority Critical patent/CN117107752B/en
Publication of CN117107752A publication Critical patent/CN117107752A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/58Prestressed concrete piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention provides a section reinforcement prestressed hollow pile and a testing device, which comprise a plurality of prestressed tendons and non-prestressed tendons, wherein the prestressed tendons are distributed along the radial direction of a concrete body, each prestressed tendon is positioned on the side wall of the concrete body, each non-prestressed tendon is bound to the periphery of the prestressed tendon, each prestressed tendon and each non-prestressed tendon are coaxial with the concrete body, the testing device comprises an inverted U-shaped portal, one side of the portal is provided with a pile body conveying assembly, and the pile body conveying assembly is used for inserting a pile to be detected into the portal. According to the section reinforcement prestressed hollow pile and the testing device, the non-prestressed tendons are additionally arranged on the periphery of the prestressed tendons, so that the supporting strength of the tubular pile with the same outer diameter and the same length is increased, the matched construction size is reduced, the production cost is reduced, the construction progress and the supporting strength are ensured, and the testing device improves the dismounting efficiency of the pile to be detected and reduces the labor intensity by additionally arranging the pile body conveying assembly.

Description

Section reinforcement prestress hollow pile and testing device
Technical Field
The invention belongs to the field of prestressed piles, and particularly relates to a section reinforcement prestressed hollow pile and a testing device.
Background
The prestressed concrete pipe pile is a tubular slender member whose cross-section size is far smaller than its length, and its upper portion is connected with bearing platform (beam) to form pile foundation. The foundation structure is a prestressed concrete structure and can be divided into post-tensioning prestressed pipe piles and pretensioning prestressed pipe piles. The pile has the characteristics of large bearing capacity, good stability, small sedimentation value and the like, can adopt mechanized construction, greatly improves construction progress, is a standard type of pile in the prior art, is slightly insufficient in the strength of foundation pit support, wharf support and coast support from the aspects of economy and practicality, and increases the cost when the pile type and reinforcement parameters are improved.
In order to match different tubular piles in the prior art, the bending strength of the tubular piles with different diameters, lengths and reinforcing bars is required to be frequently detected, the weight and the volume of the tubular piles to be detected are large, the tubular piles are inconvenient to assemble and disassemble on bending resistance test equipment in the prior art, the test efficiency is affected, and potential safety hazards exist during assembly and disassembly.
Disclosure of Invention
In view of the above, the invention aims to provide a section reinforcement prestress hollow pile, which solves the problems that the tubular pile in the prior art cannot meet the supporting requirements of various working conditions, the tubular pile specification is improved, the cost is increased, and the cooperation construction is increased.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a district reinforcing bar prestressing force hollow pile, including the concrete body, the concrete body is hollow structure, sets up the steel reinforcement cage in the concrete body, the steel reinforcement cage periphery sets up the tie, and the tie is heliciform structure, the steel reinforcement cage includes a plurality of prestressing tendons and non-prestressing tendons, a plurality of prestressing tendons radially lay along the concrete body, every prestressing tendons all is located the lateral wall of concrete body, every non-prestressing tendons all ties up to the periphery of prestressing tendons, every prestressing tendons and every non-prestressing tendons all with the same axial of concrete body.
Further, the number of the non-prestressed tendons is not greater than the number of the prestressed tendons, and the length of the non-prestressed tendons is not greater than the length of the prestressed tendons.
Compared with the prior art, the section reinforcing bar prestressed hollow pile has the following beneficial effects: the non-prestressed tendons are additionally arranged on the periphery of the prestressed tendons, the outer diameter and the length of the non-prestressed tendons can be reduced compared with the specification of the prestressed tendons, the number of the non-prestressed tendons is matched according to the requirements, and the non-prestressed tendons are configured according to important stress points of support required by construction sites, so that the support strength of the tubular piles with the same outer diameter and the same length is increased, the matched construction size is reduced, the production cost is reduced, and the construction progress and the support strength are guaranteed.
The invention further aims to provide a testing device for the section reinforcement prestress hollow pile, which aims to solve the problems that when the pipe pile is required to be tested frequently, the pipe pile is not changed in disassembly and assembly on the testing device, the testing efficiency is affected, and potential safety hazards exist.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a testing arrangement of district section reinforcement prestressing force hollow pile, including loading force application component and two supporting components, two supporting components are parallel arrangement each other, and the equal fixed connection of lower extreme of every supporting component is on the basis, and supporting component's upper end can axial displacement, and loading force application component includes portal and loading portion, and the portal is the structure of falling U-shaped, and loading portion is installed at the structure top of falling U-shaped, and loading portion lower extreme can axial displacement, and one side of portal sets up pile body conveying component, and pile body conveying component is used for alternate the stake of waiting to detect in the portal.
Further, the loading part is positioned between the two supporting components, the loading part comprises a third linear driving part, and the movable end of the third linear driving part is provided with a distribution beam.
Further, pile body conveying component includes first extension board, first extension board lower extreme sets up first linear drive part, first linear drive part fixed mounting is on the basis, first linear drive part is used for driving the relative basis of first extension board and goes up and down, install driving motor on the first extension board, and rotate on the first extension board and cup joint first roller bearing, driving motor's transmission shaft is used for driving first roller bearing and rotates, wait to detect the peripheral overlap joint of stake to first roller bearing periphery, pivoted first roller bearing is used for with waiting to detect the stake and alternates to in the portal.
Further, the sliding sleeve is arranged at the upper end of the first support plate, the sliding sleeve is connected with the sliding rod in a sliding manner, the first support seat is fixedly arranged at the upper end of the sliding rod and is of a U-shaped structure, two ends of the first rolling shaft are respectively and rotatably sleeved on the side wall of the first support seat, the driving motor is fixedly arranged on the first support seat, a spring is arranged at the periphery of the sliding rod, and two ends of the spring are respectively and fixedly connected to the lower end of the first support seat and the upper end of the sliding sleeve.
Further, pile body conveying assembly still includes the anticreep wheel, and the both ends of first roller bearing set up an anticreep wheel respectively, wait to detect the periphery roll connection of stake to the periphery of anticreep wheel.
Further, the both ends of every anticreep wheel all rotate and cup joint to the one end of wane, and the other end of wane articulates to on the first connecting rod, and the one end fixed connection of first connecting rod is peripheral to the sliding sleeve, and the middle part of wane articulates to the one end of second connecting rod, and the other end of second connecting rod articulates to the outside of supporting seat.
Further, one end mounting plate of wane, the both ends of anticreep wheel rotate respectively and cup joint to the second supporting seat on, install two branches on the second supporting seat, and should set up two through-holes on the bottom plate more, every branch is located a through-hole, and two branch periphery sets up fixation nut, and fixation nut is used for fixed anticreep wheel and the relative position of wane one end.
Further, the linear bearing is embedded in the sliding sleeve, the periphery of the sliding rod is connected into the linear bearing in a sliding mode, the baffle is arranged at the lower end of the sliding rod and located in the sliding sleeve, and one end of the baffle is connected to the lower end of the linear bearing in a contact mode.
Further, the testing device of the section reinforcing bar prestressed hollow pile further comprises a plurality of auxiliary seats, the auxiliary seats are arranged in parallel, the lower end of each auxiliary seat is fixedly connected to the foundation, each auxiliary seat is located between two supporting components, each auxiliary seat comprises a second linear driving component, a sliding seat is mounted at the upper end of each second linear driving component, a second rolling shaft is rotatably sleeved in each sliding seat, and the periphery of each second rolling shaft is in rolling connection with the periphery of the pile to be detected.
Further, each auxiliary seat comprises two second rolling shafts which are oppositely arranged, and the axis of each second rolling shaft is provided with an angle with the horizontal direction.
Further, a grating ruler is arranged on the sliding rod and used for detecting the distance of the relative movement between the sliding rod and the sliding sleeve.
Compared with the prior art, the testing device for the section reinforcing bar prestressed hollow pile has the following advantages:
(1) According to the testing device for the section reinforcement prestress hollow pile, the portal frame of the inverted U-shaped structure ensures that the supporting force on two sides of the loading part is stable, the phenomenon that the L-shaped support deflects to one side to influence side-view data when the loading part applies pressure to the pile to be detected is avoided, and the side-view quality is improved.
(2) According to the testing device for the section reinforcement prestress hollow pile, the first linear driving part is used for driving the first rolling shaft to synchronously lift, when the pile to be tested is required to be loaded to the two supporting components, the first linear driving part drives the first rolling shaft to lift, interference of the supporting components when the first rolling shaft is used for conveying the pipe pile is prevented, and when the pipe pile is conveyed in place, the first linear driving part drives the first rolling shaft to sink, and the pipe pile to be tested is placed on the supporting components.
(3) According to the testing device for the section reinforcement prestress hollow pile, disclosed by the invention, the anti-drop wheel is used for limiting the peripheral relative position of the pile to be detected, so that the pile to be detected is prevented from falling off from the first rolling shaft during transmission, and the potential safety hazard of construction is avoided.
(4) According to the testing device for the section reinforcement prestress hollow pile, disclosed by the invention, the pressure of the first rolling shaft pressed down by the pile to be tested is the clamping force of the anti-drop wheels on the periphery of the pipe pile to be tested, the pipe pile is clamped by the two anti-drop wheels which are arranged oppositely through the self gravity of the pipe pile, the power source of the clamping component at the part is reduced, the equipment cost is reduced, and the testing device is simple in structure and easy to realize.
(5) According to the testing device for the section reinforcement prestress hollow pile, the spring is a reset component of the first supporting seat, and when the pipe pile is separated from the periphery of the first rolling shaft, the two anti-drop wheels are not arranged on the periphery of the clamping pipe pile, so that the pipe pile is convenient to transfer.
(6) According to the testing device for the section reinforcement prestress hollow pile, provided by the invention, different relative positions of the anti-drop wheels and the wane can be fixed by adjusting the fixing nuts at the periphery of the support rod, the distance between the two anti-drop wheels can be adjusted to adapt to the testing requirements of tubular piles with different outer diameters, and the applicability of the device is improved.
(7) According to the testing device for the section reinforcing bar prestressed hollow pile, disclosed by the invention, the auxiliary seat is a matched part of the pile body conveying assembly, so that the conveying efficiency and stability are improved, the pile to be detected is prevented from tilting during conveying, the second linear driving part in the auxiliary seat can drive the sliding seat to synchronously lift, the pipe pile can be supported, and meanwhile, the bending test is not interfered.
(8) According to the testing device for the section reinforcement prestress hollow pile, provided by the invention, the two second rollers with angles can be used for supporting the pipe pile without interfering with the axial sliding of the pipe pile, the convex second rollers can be used for preventing the periphery of the pipe pile from rubbing the sliding seat, and the service life of components is prolonged.
(9) According to the testing device for the section reinforcement prestress hollow pile, the distance between the grating ruler and the sliding sleeve is used for controlling the lifting height of the unsmooth auxiliary seat, so that the inclination of the pipe pile caused by different heights of the first rolling shaft and the second rolling shaft supporting the pipe pile is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic structural view of a section reinforcement prestressed hollow pile according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the reinforcement cage and binding bar cooperation according to the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a testing device for a section reinforcing bar prestressed hollow pile according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a pile conveying assembly according to an embodiment of the present invention;
FIG. 5 is a schematic front view of a pile delivery assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a rocker with an anti-drop wheel according to an embodiment of the present invention;
FIG. 7 is a schematic view of a sliding sleeve and sliding rod engaged with each other according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a sliding sleeve and sliding rod mating according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an auxiliary seat according to an embodiment of the invention.
Reference numerals illustrate:
1-a concrete body; 2-a reinforcement cage; 21-prestress ribs; 22-non-prestressed tendons; 3-binding the ribs; 4-loading the force application assembly; 41-portal frame; 42-a third linear drive member; 43-a distribution beam; 5-a support assembly; 6-pile body conveying components; 61-a first support plate; 62-a first linear drive member; 63-a drive motor; 64-a first roller; 65-sliding sleeve; 66-slide bar; 67-a first support base; 68-springs; 69-an anti-drop wheel; 610-rocker; 611-a first link; 612-a second link; 613-a bottom plate; 614-struts; 615-a second support base; 616—linear bearings; 617-baffles; 7-an auxiliary seat; 71-a second linear drive member; 72-a slide; 73-second roller.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-2, the section reinforcement prestressed hollow pile comprises a concrete body 1, the concrete body is of a hollow structure, a reinforcement cage 2 is arranged in the concrete body 1, a binding rib 3 is arranged on the periphery of the reinforcement cage 2, the binding rib 3 is of a spiral structure, the reinforcement cage 2 comprises a plurality of prestressed ribs 21 and non-prestressed ribs 22, the prestressed ribs 21 are radially distributed along the concrete body 1, each prestressed rib 21 is positioned on the side wall of the concrete body 1, each non-prestressed rib 22 is bound to the periphery of the prestressed rib 21, each prestressed rib 21 and each non-prestressed rib 22 are coaxial with the concrete body 1, the non-prestressed ribs 22 are additionally arranged on the periphery of the prestressed rib 21 according to important stress points of support required by a construction site, so that the support strength of the tubular pile with the same outer diameter and the same length is increased, the cooperation construction size is reduced, the production cost is reduced, and the construction progress and the support strength are ensured.
In implementation, each non-prestressed tendon 22 needs to be bound on the periphery of the prestressed tendon 21 in advance, the number of the fixed non-prestressed tendons 22 is not greater than the number of the prestressed tendons 21, three non-prestressed tendons 22 are configured in the embodiment, the number of the non-prestressed tendons 22 can be increased according to the supporting strength requirement, the non-prestressed tendons 22 can be bound on different axial orientations of the prestressed tendons 21 according to important stress supporting positions required by construction, the non-prestressed tendons 22 can be bound on the middle part of the prestressed tendons 21 in the embodiment, meanwhile, the length of the non-prestressed tendons 22 can be reduced so as to meet the bending resistance test of the foundation pit supporting requirement, so that the tubular piles of the same specification meet the supporting requirements of different working conditions, and meanwhile, the production cost is reduced.
As shown in fig. 3-9, the testing device for the section reinforcing bar prestressed hollow pile comprises a loading force application component 4 and two support components 5, wherein the two support components 5 are arranged in parallel, the lower end of each support component 5 is fixedly connected to a foundation, the upper end of each support component 5 can axially displace, the loading force application component 4 comprises a portal 41 and a loading part, the portal 41 is of an inverted U-shaped structure, the loading part is arranged at the top of the inverted U-shaped structure, the lower end of the loading part can axially displace, one side of the portal 41 is provided with a pile body conveying component 6, the pile body conveying component 6 is used for inserting a pile to be detected into the portal 41, the portal 41 of the inverted U-shaped structure ensures that the support force born by two sides of the loading part is stable, the L-shaped support is prevented from deflecting to one side when the loading part applies pressure to the pile to be detected, side-looking data are influenced, and the quality is improved.
The loading part is located between the two support assemblies 5, and comprises a third linear driving part 42, a distribution beam 43 is mounted at the movable end of the third linear driving part 42, the third linear driving part 42 is a hydraulic cylinder in the prior art, and the structure that the hydraulic cylinder applies pressure to the pile to be tested through the distribution beam 43 is in the prior art.
The pile body conveying assembly 6 comprises a first support plate 61, a first linear driving part 62 is arranged at the lower end of the first support plate 61, the first linear driving part 62 is fixedly mounted on a foundation, the first linear driving part 62 is used for driving the first support plate 61 to lift relatively to the foundation, a driving motor 63 is mounted on the first support plate 61, the driving motor 63 is of the prior art, a first rolling shaft 64 is rotatably sleeved on the first support plate 61, a transmission shaft of the driving motor 63 drives the first rolling shaft 64 to rotate through a gear set or a sprocket chain transmission structure in the prior art, the periphery of a pile to be detected is lapped to the periphery of the first rolling shaft 64, and the rotating first rolling shaft 64 is used for inserting the pile to be detected into the portal 41. The first linear driving part 62 is a hydraulic cylinder or a linear motor in the prior art, the first linear driving part 62 is used for driving the first roller 64 to synchronously lift, when the pile to be detected needs to be loaded to the two supporting assemblies 5, the first linear driving part 62 drives the first roller 64 to lift, the first roller 64 is prevented from being interfered by the supporting assemblies 5 when the first roller 64 is used for conveying the pile, when the pile to be detected is conveyed in place, the first linear driving part 62 drives the first roller 64 to sink, the pile to be detected is placed on the supporting assemblies 5, and when the same pile to be detected needs to be unloaded, the first linear driving part 62 drives the first roller 64 to lift, so that the pile to be detected is completely overlapped on the first roller 64.
The pile body conveying assembly 6 further comprises an anti-drop wheel, two ends of the first rolling shaft 64 are respectively provided with an anti-drop wheel, the periphery of the pile to be detected is connected to the periphery of the anti-drop wheel in a rolling mode, the anti-drop wheels are used for limiting the peripheral relative position of the pile to be detected, and the pile to be detected is prevented from falling off from the first rolling shaft 64 during conveying, so that construction potential safety hazards are avoided.
The sliding sleeve 65 is arranged at the upper end of the first supporting plate 61, the sliding rod 66 is connected in the sliding sleeve 65 in a sliding manner, the first supporting seat 67 is fixedly arranged at the upper end of the sliding rod 66, the first supporting seat 67 is of a U-shaped structure, two ends of the first rolling shaft 64 are respectively and rotatably sleeved on the side wall of the first supporting seat 67, the driving motor 63 is fixedly arranged on the first supporting seat 67, the spring 68 is arranged at the periphery of the sliding rod 66, two ends of the spring 68 are respectively and fixedly connected to the lower end of the first supporting seat 67 and the upper end of the sliding sleeve 65, two ends of each anti-drop wheel are respectively and rotatably sleeved on one end of the rocker 610, the other end of the rocker 610 is hinged on the first connecting rod 611, one end of the first connecting rod 611 is fixedly connected to the periphery of the sliding sleeve 65, the middle part of the rocker 610 is hinged on one end of the second connecting rod 612, the other end of the second connecting rod 612 is hinged on the outer side of the supporting seat, the pressure of the pile to be detected is the clamping force of the anti-drop wheel to be detected, the two oppositely arranged anti-drop wheels clamp the tubular pile by the gravity of the tubular pile, the tubular pile itself, the power source of the clamping component is reduced, the equipment is easy to realize, and the equipment is easy to realize; the spring 68 is a restoring member of the first supporting seat 67, so that the two anti-falling wheels are not at the periphery of the clamped pipe pile when the pipe pile is separated from the periphery of the first roller 64, thereby facilitating the transfer of the pipe pile.
One end mounting plate 613 of wane 610, the both ends of anticreep wheel rotate respectively and cup joint to second supporting seat 615, install two branches 614 on the second supporting seat 615, and should set up two through-holes on the bottom plate 613 more, every branch 614 is located a through-hole, and two branch 614 periphery sets up fixation nut, fixation nut is used for fixed anticreep wheel and the relative position of wane 610 one end, the periphery of two branches 614 all is equipped with the screw thread, two fixation nut of every branch 614 peripheral threaded connection for fixed anticreep wheel and the relative position of wane 610, the distance between the adjustment two anticreep wheels can adapt to the test demand of different external diameter tubular piles, improve the suitability of device.
The sliding sleeve 65 is embedded with a linear bearing 616, the periphery of the sliding rod 66 is connected into the linear bearing 616 in a sliding manner, a baffle 617 is arranged at the lower end of the sliding rod 66, the baffle 617 is positioned in the sliding sleeve 65, one end of the baffle 617 is connected to the lower end of the linear bearing 616 in a contact manner, the linear bearing 616 facilitates the sliding rod 66 to slide in the sliding sleeve 65, and the baffle 617 is an upper limit moving part for the sliding rod 66 to move.
In order to improve the transportation efficiency and stability, the testing device of the section reinforcing bar prestressed hollow pile further comprises a plurality of auxiliary seats 7, the plurality of auxiliary seats 7 are arranged in parallel, the lower end of each auxiliary seat 7 is fixedly connected to a foundation, each auxiliary seat 7 is located between two supporting assemblies 5, as shown in fig. 3, 3 auxiliary seats 7 are arranged in the implementation, each auxiliary seat 7 comprises a second linear driving part 71, the second linear driving part 71 is a hydraulic cylinder or a linear motor in the prior art, a sliding seat 72 is arranged at the upper end of the second linear driving part 71, a second rolling shaft 73 is sleeved in the sliding seat 72 in a rotating mode, the periphery of the second rolling shaft 73 is connected with the periphery of the pile to be detected in a rolling mode, the auxiliary seats 7 are used for preventing the pile to be detected from tilting during transportation, and the second linear driving part 71 can drive the sliding seat 72 to synchronously lift, so that the pile can be lifted, and meanwhile bending resistance testing is not interfered.
As shown in fig. 9, each auxiliary seat 7 includes two second rollers 73, the two second rollers 73 are oppositely arranged, the axis of each second roller 73 is provided with an angle with the horizontal direction, the two second rollers 73 with angles can meet the requirement of supporting the pipe pile and do not interfere with the axial sliding of the pipe pile, the convex second rollers 73 also prevent the periphery of the pipe pile from rubbing the sliding seat 72, and the service life of the component is prolonged.
The grating ruler is arranged on the sliding rod 66 and used for detecting the distance between the sliding rod 66 and the sliding sleeve 65, and the distance is used for controlling the lifting height of the unsmooth auxiliary seat 7 so as to prevent the inclination of the pipe pile caused by different heights of the pipe pile supported by the first rolling shaft 64 and the second rolling shaft 73 and improve the stability of transmission.
The control manner of this embodiment is controlled by a controller, the control circuit of the controller is implemented by simple programming of a person skilled in the art, the supply of power is also well known in the art, and the supply of power is mainly used for protecting a mechanical device, the control manner and circuit connection are not explained in detail herein, in the implementation, a worker is required to transfer the pile to be detected to the upper portion of the pile body conveying assembly 6 through a forklift, then the height of the forklift is lowered, so that the periphery of one end of the pile to be detected is overlapped to the periphery of the first roller 64, then the pile to be detected is inserted to the upper portion of the supporting assembly 5 and the inside of the portal 41 through the rotation of the first roller 64, the forklift cannot shift during conveying, the same pile body conveying assembly 6 is required to be carried on one side by the forklift or other carrying device during conveying, the loading portion and the supporting assembly 5 are both in the prior art, and the time and the pressure of the pile body conveying assembly 5 for pressing load to be detected are set according to the detection requirement, and are not repeated herein.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (3)

1. The utility model provides a testing arrangement of section reinforcement prestressing force hollow pile, includes loading application of force subassembly (4) and two supporting component (5), and two supporting component (5) are parallel arrangement each other, and the lower extreme of every supporting component (5) is all fixedly connected to on the basis, and the upper end of supporting component (5) can axial displacement, its characterized in that: the loading force application assembly (4) comprises a portal frame (41) and a loading part, the portal frame (41) is of an inverted U-shaped structure, the loading part is arranged at the top of the inverted U-shaped structure, the lower end of the loading part can axially displace, a pile body conveying assembly (6) is arranged at one side of the portal frame (41), the pile body conveying assembly (6) is used for inserting a pile to be detected into the portal frame (41), the loading part is positioned between the two supporting assemblies (5), the loading part comprises a third linear driving part (42), and a distribution beam (43) is arranged at the movable end of the third linear driving part (42);
the pile conveying assembly (6) comprises a first support plate (61), a first linear driving part (62) is arranged at the lower end of the first support plate (61), the first linear driving part (62) is fixedly arranged on a foundation, the first linear driving part (62) is used for driving the first support plate (61) to lift relatively to the foundation, a driving motor (63) is arranged on the first support plate (61), a first rolling shaft (64) is sleeved on the first support plate (61) in a rotating mode, a transmission shaft of the driving motor (63) is used for driving the first rolling shaft (64) to rotate, the periphery of a pile to be detected is overlapped to the periphery of the first rolling shaft (64), and the rotating first rolling shaft (64) is used for inserting the pile to be detected into the portal (41);
the upper end of the first support plate (61) is provided with a sliding sleeve (65), the sliding sleeve (65) is connected with a sliding rod (66) in a sliding manner, the upper end of the sliding rod (66) is fixedly provided with a first support seat (67), the first support seat (67) is of a U-shaped structure, two ends of a first rolling shaft (64) are respectively and rotatably sleeved on the side wall of the first support seat (67), a driving motor (63) is fixedly arranged on the first support seat (67), the periphery of the sliding rod (66) is provided with a spring (68), and two ends of the spring (68) are respectively and fixedly connected to the lower end of the first support seat (67) and the upper end of the sliding sleeve (65);
the sliding rod (66) is provided with a grating ruler which is used for detecting the distance of the relative movement between the sliding rod (66) and the sliding sleeve (65);
the pile body conveying assembly (6) further comprises an anti-falling wheel (69), two ends of the first rolling shaft (64) are respectively provided with the anti-falling wheel (69), and the periphery of the pile to be detected is connected to the periphery of the anti-falling wheel (69) in a rolling mode;
the two ends of each anti-drop wheel (69) are rotatably sleeved on one end of a rocker (610), the other end of the rocker (610) is hinged to a first connecting rod (611), one end of the first connecting rod (611) is fixedly connected to the periphery of a sliding sleeve (65), the middle part of the rocker (610) is hinged to one end of a second connecting rod (612), and the other end of the second connecting rod (612) is hinged to the outer side of a supporting seat;
one end of the rocker (610) is provided with a bottom plate (613), two ends of the anti-drop wheel (69) are respectively sleeved on a second supporting seat (615) in a rotating way, two supporting rods (614) are arranged on the second supporting seat (615), the bottom plate (613) is provided with two through holes, each supporting rod (614) is positioned in one through hole, the peripheries of the two supporting rods (614) are provided with fixing nuts, and the fixing nuts are used for fixing the relative positions of the anti-drop wheel (69) and one end of the rocker (610);
the sliding sleeve (65) is embedded with the linear bearing (616), the periphery of the sliding rod (66) is connected into the linear bearing (616) in a sliding manner, the lower end of the sliding rod (66) is provided with the baffle plate (617), the baffle plate (617) is positioned in the sliding sleeve (65), and one end of the baffle plate (617) is connected to the lower end of the linear bearing (616) in a contact manner.
2. The test device for the section reinforcing bar prestressed hollow pile of claim 1, wherein: the pile inspection device comprises a pile inspection device body and is characterized by further comprising a plurality of auxiliary seats (7), wherein the auxiliary seats (7) are arranged in parallel, the lower end of each auxiliary seat (7) is fixedly connected to a foundation, each auxiliary seat (7) is located between two supporting assemblies (5), each auxiliary seat (7) comprises a second linear driving part (71), a sliding seat (72) is arranged at the upper end of each second linear driving part (71), a second rolling shaft (73) is rotationally sleeved in each sliding seat (72), and the periphery of each second rolling shaft (73) is in rolling connection with the periphery of a pile to be inspected.
3. The test device for the section reinforcing bar prestressed hollow pile of claim 2, wherein: each auxiliary seat (7) comprises two second rolling shafts (73), the two second rolling shafts (73) are oppositely arranged, and the axis of each second rolling shaft (73) is provided with an angle with the horizontal direction.
CN202311352871.5A 2023-10-19 2023-10-19 Section reinforcement prestress hollow pile and testing device Active CN117107752B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202492837U (en) * 2012-03-09 2012-10-17 天津建城基业集团有限公司 Anti-bending and anti-shearing reinforced pipe pile
CN105256791A (en) * 2015-11-18 2016-01-20 黄贺明 Concrete tubular pile for oceans
CN110965839A (en) * 2019-12-26 2020-04-07 国网福建省电力有限公司经济技术研究院 Hybrid reinforced concrete pole and construction method
WO2022160379A1 (en) * 2021-01-28 2022-08-04 江苏东合南岩土科技股份有限公司 Large-diameter cast-in-situ thin-walled prestressed concrete steel pipe pile and construction method therefor
CN218060465U (en) * 2022-07-22 2022-12-16 苏州科技大学 Tubular pile shear test device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202492837U (en) * 2012-03-09 2012-10-17 天津建城基业集团有限公司 Anti-bending and anti-shearing reinforced pipe pile
CN105256791A (en) * 2015-11-18 2016-01-20 黄贺明 Concrete tubular pile for oceans
CN110965839A (en) * 2019-12-26 2020-04-07 国网福建省电力有限公司经济技术研究院 Hybrid reinforced concrete pole and construction method
WO2022160379A1 (en) * 2021-01-28 2022-08-04 江苏东合南岩土科技股份有限公司 Large-diameter cast-in-situ thin-walled prestressed concrete steel pipe pile and construction method therefor
CN218060465U (en) * 2022-07-22 2022-12-16 苏州科技大学 Tubular pile shear test device

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