CN111622213A - Bored concrete pile positioner - Google Patents
Bored concrete pile positioner Download PDFInfo
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- CN111622213A CN111622213A CN202010455627.1A CN202010455627A CN111622213A CN 111622213 A CN111622213 A CN 111622213A CN 202010455627 A CN202010455627 A CN 202010455627A CN 111622213 A CN111622213 A CN 111622213A
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- rod
- limiting
- reinforcement cage
- fixedly connected
- ram
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- General Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a positioning device for a cast-in-place pile, which comprises a reinforcement cage, a string cylinder, a feeding mechanism and a pile hole, and is characterized in that: the steel reinforcement cage comprises a reinforcing ring rib; the fixing mechanism comprises a ram arranged on the pile hole, the ram is a plurality of groups of square rods, and one side of the ram is provided with a slide rail; the limiting mechanism comprises a limiting rod and a hinge rod, the limiting rod is L-shaped, the top of the limiting rod is connected with the sliding rail in a sliding mode, the bottom of the limiting rod is fixedly connected with a limiting unit, the middle of the hinge rod is hinged with the middle of the limiting rod, the reinforcing ring rib is suitable for being installed on the inner side of the limiting unit, and the hinge rod and the limiting unit limit the up-and-down displacement of the reinforcement cage together; the invention aims to solve the problem of upward floating of the reinforcement cage in the process of pouring concrete in the cast-in-place pile, is beneficial to realizing accurate positioning of the concrete string cylinder, ensures accurate installation position of the reinforcement cage, prevents the reinforcement cage from upward floating in the process of pouring concrete, and improves the pile forming quality of the cast-in-place pile.
Description
Technical Field
The invention belongs to the technical field of pile foundation engineering construction, and particularly relates to a positioning device for a cast-in-place pile.
Background
The cast-in-place pile has the advantages of no vibration, no soil squeezing, low noise, capability of being used in dense urban building areas and the like during construction, and is widely applied to construction. The designed pile length of the cast-in-place pile is usually longer, in order to ensure the concrete quality of a pile body, the concrete casting of the cast-in-place pile needs to adopt a string barrel construction, and the string barrel is unstable in position and is easy to collide with a reinforcement cage; in engineering construction, because the pile hole of the cast-in-place pile is larger than the outer diameter of the reinforcement cage, if the position control of the reinforcement cage is inaccurate, the thickness deviation of a reinforcement protection layer of the cast-in-place pile is influenced and the use function of the cast-in-place pile is influenced; meanwhile, because concrete is continuously poured in the pile hole, the reinforcement cage is caused to float upwards, and the pile forming quality is influenced;
in the positioning device of the reinforcement cage of the cast-in-place concrete pile in the prior art, a positioning sleeve is positioned above the reinforcement cage, movable drag hooks connected with the positioning sleeve are arranged on four sides of the positioning sleeve to pull the upper end of the reinforcement cage left and right, and the problems of position and floating of the reinforcement cage are solved; meanwhile, the drag hook in the prior art can be adjusted only by pulling the left and right parts of the drag hook simultaneously, and has no axial stress on the steel reinforcement cage, the steel reinforcement cage is inevitably contacted with the bottom part, the upper end steel reinforcement cage is pulled, and the steel reinforcement cage is easy to bend up and down as a result, so that the quality of a finished product of the cast-in-place pile is extremely easy to influence.
Disclosure of Invention
The invention solves the problems that: the problem of steel reinforcement cage come-up is solved.
In order to solve the problems in the prior art, the invention provides a positioning device for a cast-in-place pile, which comprises a reinforcement cage, a string cylinder, a feeding mechanism, a pile hole, a fixing mechanism and a limiting mechanism, wherein the reinforcement cage comprises a reinforcing ring rib;
the fixing mechanism comprises a ram arranged on the pile hole, the ram is a plurality of groups of square rods, and one side of the ram is provided with a slide rail;
stop gear includes gag lever post and hinge bar, the gag lever post is "L" shape, the top and the slide rail sliding connection of gag lever post, the bottom fixedly connected with restriction unit of gag lever post, the middle part of hinge bar is articulated with the middle part of gag lever post, the inboard at the restriction unit is installed to the beaded finish muscle, the lower extreme of hinge bar restricts the upper and lower displacement of steel reinforcement cage under the effect of restriction unit.
Specifically, the reinforcing ring rib is positioned at the upper part of the reinforcement cage, and scales can be carved on the ram, so that the positioning is convenient; feed mechanism is used for filling effect concrete, and stop gear prescribes a limit to the steel reinforcement cage position, and the articulated mast prescribes a limit to the upper and lower displacement of steel reinforcement cage, solves the come-up problem of steel reinforcement cage.
Preferably, the limiting unit comprises a telescopic rod fixedly connected with the limiting rod, springs fixedly connected with two ends of the telescopic rod, a movable plate fixedly connected with one end of the telescopic rod far away from the limiting rod, and a limiting plate fixedly connected with the limiting rod, wherein the limiting plate is positioned at the bottom of the limiting rod;
the telescopic link includes expansion end and stiff end, stiff end and gag lever post fixed connection, expansion end and movable plate fixed connection, the separation blade that is used for blockking the movable plate is installed to the lower extreme of hinge bar.
Specifically, the limiting unit is limited, a movable moving plate and a limiting plate are adopted, a forming area is used for clamping the reinforcement cage, and left and right displacement of the reinforcement cage is limited.
Preferably, the limiting rod comprises a straight rod and a cross rod, the fixed end is fixedly connected with the straight rod, the limiting plate is fixedly connected with the cross rod, the hinged rod is hinged to the middle of the straight rod, and the shape and the connection relation of the limiting rod are limited more specifically.
Preferably, the limiting mechanism further comprises a sliding block, a sliding rail is arranged on the ram, the sliding block is attached to the sliding rail, the sliding block is detachably connected with the limiting rod, the limiting rod is perpendicular to the ram, and particularly, the limiting rod is moved.
Preferably, the gag lever post is equipped with two sets ofly and follows steel reinforcement cage axial symmetry and distributes, the gag lever post middle part is equipped with the bulge loop, the hinge bar rotates with the bulge loop to be connected, the cross-section of hinge bar is "V" shape, "V" shape angle is the obtuse angle.
Specifically, the hinge position of the hinge rod is limited, and the baffle plate of the hinge rod limits the up-and-down movement of the reinforcement cage.
Preferably, the fixing mechanism comprises a fixing frame, the fixing frame comprises a longitudinal rod, the longitudinal rod is vertically provided with a cross rod, and a positioning plate is arranged on the upper surface of the cross rod;
the two groups of longitudinal rods are arranged in parallel, two ends of the transverse rods are fixedly connected with the longitudinal rods, the longitudinal rods and the transverse rods form a horizontal quadrilateral structure, and the positioning plate is arranged on the upper surface of the horizontal quadrilateral structure;
the upper end of the hinged rod penetrates through the space between the two groups of ram rods.
Specifically, on one hand, the height of the cross rod can be lower than that of the longitudinal rod, the horizontal quadrangle is a space structure with a recess, and the positioning plate is placed on the horizontal quadrangle structure to have a left and right limiting effect; on the other hand, the cross rods and the longitudinal rods can be equal in height, and the positioning plate is placed on the horizontal quadrilateral structure, so that the positioning and shaking problem can not occur due to the weight of the feeding mechanism, and the problem of positioning of the string barrel can be basically solved; the ends, close to the two positioning plates, of the two positioning plates form circular holes in an arc shape, and the ends, far away from the circular holes, of the two positioning plates are positioned on the cross rod and can be used for supporting the construction of operators;
install the multiunit horizontal pole between two sets of vertical pole, the group number of horizontal pole is greater than 2, vertical pole, ram and horizontal pole are the square pole, add the multiunit horizontal pole, increase fore-and-aft bearing capacity.
Preferably, the steel reinforcement cage includes horizontal beaded finish, the restriction unit is located the bottom of gag lever post, the beaded finish is installed between movable plate and limiting plate.
Specifically, add horizontal beaded finish muscle, do benefit to stop gear's operation, can transversely press from both sides and get the steel reinforcement cage.
Preferably, the positioning plates are provided with two groups, one ends of the positioning plates are arc-shaped, the ends of the two groups of positioning plates, which are close to each other, are arc-shaped and spliced into round holes, and the circle centers of the round holes are the same as the center of the quadrilateral structure.
Preferably, the string cylinder is arranged below the ram, and the upper end of the string cylinder is clamped with the lower end of the feeding mechanism;
the feeding mechanism is funnel-shaped, the outer diameter of the bottom of the feeding mechanism is smaller than the inner diameter of the upper end of the string barrel, and the outer diameter of the upper end of the string barrel is smaller than the inner diameter of the round hole.
Specifically, the diameter of the top of a string section of thick bamboo is greater than the external diameter of feed mechanism below, and both form the joint, guarantee closed tightness, inject the size of the round hole diameter that feed mechanism's lower extreme diameter, string section of thick bamboo's upper end diameter and locating plate are constituteed, realize three's joint relation.
Preferably, two ends of the sliding block are fixedly connected with supporting rods, the supporting rods are fixedly connected with springs, and the springs are fixedly connected with curved surface clamps; and the curved surface clamps at the two ends of the sliding block form a clamp for limiting the sliding block to move.
Specifically, the upper curved surface clamp and the lower curved surface clamp are adopted to form a clamp shape to clamp the sliding block on the ram and keep the position immovable.
Has the advantages that:
1. compared with the prior art, the limiting mechanism is additionally arranged and used for adjusting the steel reinforcement cage, the limiting rod is connected with the ram in a sliding mode to achieve horizontal movement, the reinforcing ring rib is located on the inner side of the limiting unit, the steel reinforcement cage can be guaranteed to be in a high-altitude state, the position of the steel reinforcement cage can be adjusted, the axial direction of the steel reinforcement cage is guaranteed to be in a vertical state, the feeding mechanism is used for pouring concrete, the limiting mechanism limits the position of the steel reinforcement cage, the hinge rod and the limiting unit limit the up-and-down displacement of the steel reinforcement cage, the limiting unit supports upward friction force of the reinforcing ring rib under the limiting unit, the hinge rod downward blocking force of the reinforcing ring rib.
2. Compared with the prior art, the limiting rod comprises a telescopic rod, a spring, a movable plate and a limiting plate, wherein the spring can abut against the movable plate, the movable plate and the limiting plate clamp the reinforcement cage, the movable plate and the limiting plate form a limiting unit to limit the left and right displacement of the reinforcement cage, and the thickness of a protection layer of the reinforcement cage is adjusted and solved; the bottom end separation blade of the hinge rod is used for blocking the upward floating of the reinforcing ring rib.
3. Compared with the prior art, the shape of the limiting rod is limited, and parts of the limiting rod are further disassembled, so that the connection relation is more specific.
4. Compared with the prior art, the limiting mechanism has the advantages that the sliding block of the limiting mechanism is limited, and the sliding of the limiting rod is realized.
5. Compared with the prior art, the number and the distribution of the limiting rods are limited, and the shape of the hinged rod is limited by the connection relationship between the hinged rod and the limiting rods.
6. Compared with the prior art, the structure of the fixing frame is limited, the fixing frame is used for supporting the positioning plate, the number and the structure of the ram are limited, the sliding of the sliding block is ensured, the installation position of the positioning plate is limited, and one end, far away from the center, of the positioning plate is used for supporting the construction of operators.
7. Compared with the prior art, the limiting device is additionally provided with the transverse reinforcing ring rib, the reinforcing ring rib is positioned at the bottom of the limiting rod, and the longitudinal reinforcing bar of the reinforcing cage is not positioned at the inner side of the limiting unit.
8. Compared with the prior art, the feeding mechanism has the advantages that the size of the positioning plate is limited, one end of the positioning plate is used for supporting workers, the other end of the positioning plate is used for positioning the feeding mechanism, and the feeding mechanism injects materials downwards through the round holes in the positioning plate; the circular hole of arc concatenation on the locating plate has the detachability.
9. Compared with the prior art, the invention is additionally provided with the string cylinder, and the string cylinder is used for limiting the position of the string cylinder and the connection relation with the feeding mechanism at the bottom of the reinforcement cage for conveying concrete of the feeding mechanism;
the feeding mechanism is a funnel-shaped container and has a storage function; the size relation of the connecting parts of the feeding mechanism, the positioning plate and the stringing barrel is limited, and the problem of the stringing barrel in position is basically solved.
10. Compared with the prior art, the curved surface clamp on the limiting slide block can limit the slide block to be positioned at the required position of the slide rail, and the curved surface clamp can be fixed, so that the problem that the limiting rod is removed to ensure that the slide block is not moved when the positioning of the reinforcement cage is finished is solved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the working angular position of the present invention;
FIG. 3 is a schematic top view of the present invention taken along a cross-section of a side rail;
FIG. 4 is a schematic view of a spacing mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A;
fig. 6 is a block diagram of the present invention.
In the figure: 1. the steel reinforcement cage, 2, mount, 3, stop gear, 4, ram, 5, slider, 6, gag lever post, 7, hinge bar, 8, vertical pole, 9, horizontal pole, 10, reinforcing ring muscle, 11, locating plate, 12, feed mechanism, 13, a string section of thick bamboo, 14, telescopic link, 15, spring, 16, movable plate, 17, limiting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 to 6, a positioning device for a cast-in-place pile comprises a reinforcement cage 1, a string barrel 13, a feeding mechanism 12, a pile hole, a fixing mechanism and a limiting mechanism 3, wherein the reinforcement cage 1 comprises a reinforcing ring rib 10;
the fixing mechanism comprises a ram 4 arranged on the pile hole, the ram 4 is a plurality of groups of square rods, and one side of the ram is provided with a slide rail;
stop gear 3 includes gag lever post 6 and hinge bar 7, and gag lever post 6 is "L" shape, and gag lever post 6's top and slide rail sliding connection, gag lever post 6's bottom fixedly connected with restriction unit, and hinge bar 7's middle part is articulated with gag lever post 6's middle part, and the inside at the restriction unit is installed to beaded finish 10, and hinge bar 7's lower extreme restricts the upper and lower displacement of steel reinforcement cage 1 under the effect of restriction unit.
The limiting unit comprises an expansion rod 14 fixedly connected with the lower end of the limiting rod 6, springs 15 fixedly connected with the two ends of the expansion rod 14, a moving plate 16 fixedly connected with one end, away from the limiting rod 6, of the expansion rod 14, and a limiting plate 17 fixedly connected with the limiting rod 6, wherein the limiting plate 17 is positioned at the bottom of the limiting rod 6;
the telescopic rod 14 comprises a movable end and a fixed end, the fixed end is fixedly connected with the limiting rod 6, and the movable end is fixedly connected with the movable plate 16;
the lower end of the hinge lever 7 is provided with a stopper for stopping the moving plate 16.
The limiting rod 6 comprises a straight rod and a cross rod, a fixed end is fixedly connected with the straight rod, the limiting plate 1 is fixedly connected with the cross rod, and the hinge rod 7 is hinged to the middle of the straight rod.
The limiting mechanism 3 further comprises a sliding block 5, a sliding rail is arranged on the ram 4, the sliding block 5 is attached to the sliding rail, the sliding block 5 is detachably connected with the limiting rod 6, and the limiting rod 6 is perpendicular to the ram 4.
Two groups of limiting rods 6 are arranged and are symmetrically distributed along the axial direction of the reinforcement cage 1;
the middle part of the limiting rod 6 is provided with a convex ring, the hinge rod 7 is rotatably connected with the convex ring, a blocking piece used for blocking the moving plate 16 is installed at the lower end of the hinge rod 7, the cross section of the hinge rod 7 is V-shaped, and the angle of the V-shaped is an obtuse angle.
The fixing mechanism comprises a fixing frame 2, the fixing frame 2 comprises a longitudinal rod 8, the longitudinal rod 8 is vertically provided with a cross rod 9, and a positioning plate 11 is arranged on the upper surface of the cross rod 9;
two groups of longitudinal rods 8 are arranged in parallel, two ends of a transverse rod 9 are fixedly connected with the longitudinal rods 8, the longitudinal rods 8 and the transverse rod 9 form a horizontal quadrilateral structure, and a positioning plate 11 is arranged on the upper surface of the horizontal quadrilateral structure;
The reinforcement cage 1 comprises a transverse reinforcement ring rib 10, and the reinforcement ring rib 10 is installed between the movable plate 16 and the limiting plate 17.
The positioning plates 11 are provided with two groups, one ends of the positioning plates 11 are arc-shaped, one ends of the two groups of positioning plates 11 close to the arc-shaped positioning plates are spliced into round holes, and the circle centers of the round holes are the same as the center of the horizontal quadrilateral structure.
The string cylinder 13 is arranged below the ram 4, and the upper end of the string cylinder 13 is clamped with the lower end of the feeding mechanism 12;
the feeding mechanism 12 is funnel-shaped, the outer diameter of the bottom of the feeding mechanism 12 is smaller than the inner diameter of the upper end of the string barrel 13, and the outer diameter of the upper end of the string barrel 13 is smaller than the inner diameter of the round hole.
Two ends of the sliding block 5 are fixedly connected with supporting rods, springs are fixedly connected to the supporting rods, and curved surface clamps are fixedly connected to the springs; the curved clamps at the two ends of the sliding block 5 form a clamp for limiting the movement of the sliding block 5.
The working principle is as follows:
in the initial stage of the invention, pile holes are drilled on the ground, the specification of a positioning plate 11 is selected according to the diameter of an actually required reinforcement cage 1, then the reinforcement cage 1 is placed in the pile holes, and a ram 4, a cross rod 9, a longitudinal rod 8 and a positioning plate 11 (which are fixedly installed when not placed and are selected according to the diameter of the lower end of a feeding mechanism) are placed on the ground surface;
the two groups of cantilever rods 4 are horizontally placed on the upper side of the pile hole, slide rails are respectively arranged on one sides, close to the two cantilever rods 4, of the two cantilever rods 4, a sliding block 5 is connected between the two cantilever rods 4 in a sliding mode, the inner sides of the sliding blocks 5 are fixedly connected with limiting rods 6, transverse reinforcing ring ribs 10 are clamped below the limiting rods 6, the two limiting rods 6 are moved through the relative positioning plate 11 to be fixed, the position of the reinforcement cage 1 is determined, and the problem that the thickness of a reinforcement protection layer of a cast-in-place pile is influenced due to inaccurate position control of the reinforcement cage;
specifically, the lower end of the limiting rod 6 rotates the hinge rod 7, and a baffle on one side of the telescopic rod 14 is popped out through the spring 15 to clamp a reinforcing ring rib on the reinforcement cage 1, so that the reinforcement cage 1 can move; then, the positioning plate 11 is pressed through the feeding mechanism 12, the problem that the position of the string barrel 13 is unstable is solved, and finally, the hinged rod 7 is loosened after clamping to abut against the reinforcing ring rib 10 upwards, so that the problem that the reinforcement cage 1 floats upwards is basically solved.
The installation step:
an installation method of a positioning device of a cast-in-place pile comprises the following specific installation steps:
the method comprises the following steps: and preprocessing and manufacturing the position of the device. According to the design of the aperture of the cast-in-place pile, the diameter of a round hole of the positioning plate 11 is required to be larger than the diameter of the upper end of a string barrel at the joint of the lower end when the fixing frame 2 and the limiting mechanism 3 are processed and manufactured, and the width of the limiting mechanism 3 is smaller than the diameter of the pile hole, so that the fixing frame 2 and the limiting mechanism 3 can be stably placed on a soil body outside the pile hole and can move.
Step two: a reinforcement cage 1 is placed. According to the designed pile core position, the bored concrete pile is initially drilled, and the reinforcement cage 1 is hoisted to enter the pile hole.
Step three: the device is placed. The device is placed on a pile hole and fixedly connected with the upper end of the reinforcement cage 1, and the center of the device and the pile core are required to be on the same plumb line.
Step four: and adjusting the position of the reinforcement cage 1. According to the protective layer thickness of the steel reinforcement cage 1 of design, adjust the slide rail of stop gear 3 about for the inboard distance to the stake hole pore wall of limiting plate 17 equals steel reinforcement protective layer thickness, with this position of control steel reinforcement cage 1, places the top reinforcing ring muscle 10 of steel reinforcement cage 1 with "L" shape lower extreme of gag lever post 6.
Step five: the stringing barrel 13 is in position. The string barrel 13 penetrates through an arc formed by splicing the positioning plates 11 and is hung in a pile hole, and a hopper at the upper end of the string barrel 13 is supported on the positioning plates 11 and is used for resisting the weight of the steel reinforcement cage 1 floating upwards.
Step six: and pouring concrete of the cast-in-place pile. And pouring concrete into the pile hole through the string barrel 13.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a bored concrete pile positioner, includes steel reinforcement cage (1), a cluster section of thick bamboo (13), feed mechanism (12) and stake hole, its characterized in that: the steel reinforcement cage is characterized by further comprising a fixing mechanism and a limiting mechanism (3), wherein the steel reinforcement cage (1) comprises a reinforcing ring rib (10);
the fixing mechanism comprises a ram (4) arranged on a pile hole, the ram (4) is a plurality of groups of square rods, and one side of the ram is provided with a slide rail;
stop gear (3) include gag lever post (6) and hinge bar (7), gag lever post (6) are "L" shape, the top and the slide rail sliding connection of gag lever post (6), the bottom fixedly connected with restriction unit of gag lever post (6), the middle part of hinge bar (7) is articulated with the middle part of gag lever post (6), beaded finish (10) are suitable for and install the inboard at the restriction unit, hinge bar (7) and restriction unit restrict the upper and lower displacement of steel reinforcement cage (1) jointly.
2. A positioning device for a cast-in-place pile according to claim 1, wherein: the limiting unit comprises a telescopic rod (14) fixedly connected with the lower end of the limiting rod (6), springs (15) fixedly connected with two ends of the telescopic rod (14), a movable plate (16) fixedly connected with one end, far away from the limiting rod (6), of the telescopic rod (14), a limiting plate (17) fixedly connected with the limiting rod (6), and the limiting plate (17) is located at the bottom of the limiting rod (6);
the telescopic rod (14) comprises a movable end and a fixed end, the fixed end is fixedly connected with the limiting rod (6), and the movable end is fixedly connected with the movable plate (16);
the lower end of the hinged rod (7) is provided with a blocking piece for blocking the moving plate (16).
3. A positioning device for a cast-in-place pile according to claim 2, wherein: the limiting rod (6) comprises a straight rod and a cross rod, the fixed end is fixedly connected with the straight rod, the limiting plate (17) is fixedly connected with the cross rod, and the hinged rod (7) is hinged to the middle of the straight rod.
4. A positioning device for a cast-in-place pile according to claim 2, wherein: the limiting mechanism (3) further comprises a sliding block (5), a sliding rail is arranged on the ram (4), the sliding block (5) is attached to the sliding rail, the sliding block (5) is detachably connected with the limiting rod (6), and the limiting rod (6) is perpendicular to the ram (4).
5. A positioning device for a cast-in-place pile according to claim 3, wherein: two groups of limiting rods (6) are arranged and are axially and symmetrically distributed along the reinforcement cage (1);
the middle of the straight rod is provided with a convex ring, the hinge rod (7) is rotatably connected with the convex ring, the cross section of the hinge rod (7) is V-shaped, and the angle of the V-shaped is an obtuse angle.
6. A positioning device for a cast-in-place pile according to claim 3, wherein: the fixing mechanism comprises a fixing frame (2), the fixing frame (2) comprises a longitudinal rod (8), a transverse rod (9) is vertically arranged on the longitudinal rod (8), and a positioning plate (11) is arranged on the upper surface of the transverse rod (9);
two groups of longitudinal rods (8) are arranged in parallel, two ends of the transverse rod (9) are fixedly connected with the longitudinal rods (8), the longitudinal rods (8) and the transverse rod (9) form a horizontal quadrilateral structure, and the positioning plate (11) is arranged on the upper surface of the horizontal quadrilateral structure;
the upper end of the hinged rod (7) penetrates between the two groups of ram rods (4).
7. A positioning device for a cast-in-place pile according to claim 1, wherein: the reinforcement cage (1) comprises a transverse reinforcement ring rib (10), and the reinforcement ring rib (10) is installed between the movable plate (16) and the limiting plate (17).
8. An apparatus for positioning a bored pile according to claim 6, wherein: the positioning plates (11) are two groups, one ends of the positioning plates (11) are arc-shaped, the two groups of arc-shaped ends, close to the positioning plates (11), of the positioning plates are spliced into round holes, and the circle centers of the round holes are the same as the center of the horizontal quadrilateral structure.
9. A positioning device for a cast-in-place pile according to claim 1, wherein: the string cylinder (13) is arranged below the ram (4), and the upper end of the string cylinder (13) is clamped with the lower end of the feeding mechanism (12);
the feeding mechanism (12) is funnel-shaped, the outer diameter of the bottom of the feeding mechanism (12) is smaller than the inner diameter of the upper end of the string cylinder (13), and the outer diameter of the upper end of the string cylinder (13) is smaller than the inner diameter of the round hole.
10. An apparatus for positioning a bored pile according to claim 4, wherein: two ends of the sliding block (5) are fixedly connected with supporting rods, springs are fixedly connected to the supporting rods, and curved surface clamps are fixedly connected to the springs; and the curved surface clamps at the two ends of the sliding block (5) form a clamp for limiting the sliding block (5) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455627.1A CN111622213A (en) | 2020-05-26 | 2020-05-26 | Bored concrete pile positioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455627.1A CN111622213A (en) | 2020-05-26 | 2020-05-26 | Bored concrete pile positioner |
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| CN111622213A true CN111622213A (en) | 2020-09-04 |
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| CN202010455627.1A Pending CN111622213A (en) | 2020-05-26 | 2020-05-26 | Bored concrete pile positioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095610A (en) * | 2020-11-18 | 2020-12-18 | 上海建工一建集团有限公司 | Method for pouring bottom plate by using waste dewatering well as string barrel |
| CN113668508A (en) * | 2021-08-02 | 2021-11-19 | 深圳宏业基岩土科技股份有限公司 | Anti-floating structure for anti-steel reinforcement cage floating cage |
| CN113969582A (en) * | 2021-11-30 | 2022-01-25 | 中冶建工集团有限公司 | Cast-in-place pile pouring pipe supporting device |
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| CN113969582A (en) * | 2021-11-30 | 2022-01-25 | 中冶建工集团有限公司 | Cast-in-place pile pouring pipe supporting device |
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Application publication date: 20200904 |