CN219569360U - Positioning device for binding pile foundation sectional reinforcement cage - Google Patents

Abstract

The utility model discloses a positioning device for binding pile foundation sectional reinforcement cages, which comprises: the device comprises a bottom plate, an end supporting plate, an end positioning plate, a plurality of positioning rods and a plurality of supporting holes; the end fixing plate is arranged at one end of the bottom plate and can freely slide along the length direction of the bottom plate; the end positioning plate is fixedly arranged at the other end of the bottom plate opposite to the end fixing plate; the positioning rods are uniformly arranged on one surface of the end positioning plate, facing the end support plate, in the circumferential direction, and positioning grooves for inserting and fixing reinforcing steel bars are formed in the ends of the positioning rods; the support holes are uniformly penetrated and arranged on the end support plate along the circumferential direction and correspond to the positioning rods one by one. The utility model has simple structure and convenient use, and solves the problem of lower one-time butt joint qualification rate of adjacent segmented reinforcement cages caused by inaccurate positioning of the reinforcement in the binding process of the segmented reinforcement cages.

Description

Positioning device for binding pile foundation sectional reinforcement cage

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly discloses a positioning device for binding pile foundation section reinforcement cages.

Background

At present, in the working procedure of a bored pile reinforcement cage, sometimes, the reinforcement cage needs to be processed in sections and connected due to the restriction of the size of a field, and the connection is mainly mechanically connected and welded. Among them, the mechanical connection is a relatively advanced connection process, which has the following advantages compared with welding: and (1) the mechanical connection has better bending resistance and overall performance. (2) The machining time of the reinforcement cage can be greatly saved by utilizing mechanical connection, and the risk of hole collapse in the construction process of the bored pile is effectively reduced. (3) The welding is difficult to ensure that the center lines of the main ribs of the reinforcement cage are coaxial, and the stress state can be influenced by the fact that the main ribs are not coaxial. Therefore, the current connection mode of the sectional reinforcement cage mainly adopts mechanical connection. However, the prior mechanically connected sectional reinforcement cage has lower one-time butt joint qualification rate. Repair welding is needed to be carried out on the main reinforcement which is not in butt joint subsequently, time and labor are wasted, quality is difficult to control, the process is too much in time consumption, the next process is affected, and the risk of hole collapse in the construction process of the bored pile is increased.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a positioning device for binding pile foundation sectional reinforcement cages, which solves the problem that the adjacent sectional reinforcement cages have low one-time butt joint qualification rate due to inaccurate positioning of reinforcement in the binding process of the sectional reinforcement cages.

The utility model is realized by the following technical scheme.

Positioning device for pile foundation segmentation steel reinforcement cage ligature, its characterized in that includes:

a bottom plate;

the end support plate is arranged at one end of the bottom plate and can freely slide along the length direction of the bottom plate;

the end positioning plate is fixedly arranged at the other end of the bottom plate opposite to the end supporting plate;

the positioning rods are uniformly arranged on one surface of the end positioning plate, facing the end support plate, in the circumferential direction, and positioning grooves for inserting and fixing reinforcing steel bars are formed in the ends of the positioning rods; the method comprises the steps of,

the support holes are uniformly penetrated and arranged on the end support plate along the circumferential direction and correspond to the positioning rods one by one.

As a specific technical scheme, be provided with the steel reinforcement cage support between bottom plate upper surface lies in end locating plate and the end backup pad, the recess that is used for supporting the steel reinforcement cage has been seted up at the top of steel reinforcement cage support.

As a specific technical scheme, the number of the reinforcement cage supports is 1-3.

As a specific technical scheme, the groove depths of the positioning grooves are alternately arranged in the circumferential direction in a large-small mode.

As a specific technical scheme, the positioning grooves with larger groove depths have the same groove depths, and the value range is 20-50 cm; the depth of the positioning groove with smaller depth is the same, and the value range is 10-15 cm.

As a specific technical scheme, a groove is formed in the bottom plate, a pulley block is arranged at the bottom of the end head supporting plate, and the pulley block can be embedded into the groove to slide freely.

Compared with the prior art, the utility model has the beneficial effects that: in the prior art, if the positioning of the steel bars in the steel bar cages is inaccurate, the one-time butt joint qualification rate is lower when the segmented steel bar cages are mechanically connected; the main reinforcement which is not in butt joint is required to be subjected to repair welding subsequently, time and labor are wasted, quality is difficult to control, the process is too much in time consumption, the next process is affected, and the risk of hole collapse in the construction process of the bored pile is increased. The utility model has simple structure and convenient use, and solves the problem of lower one-time butt joint qualification rate of adjacent segmented reinforcement cages caused by inaccurate positioning of the reinforcement in the binding process of the segmented reinforcement cages.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 1;

FIG. 4 is a cross-sectional view at B-B in FIG. 1;

FIG. 5 is a cross-sectional view at C-C of FIG. 1;

FIG. 6 is a state diagram of the use of the present utility model;

the meaning of each mark in the above figures is: the steel bar cage comprises a bottom plate 1, a channel 101, an end support plate 2, a pulley block 201 end positioning plate 3, a positioning rod 4, a positioning groove 401, a support hole 5, a steel bar cage support 6, steel bars 7 and stirrups 8.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model 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 utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

A positioner for pile foundation segmentation steel reinforcement cage ligature, it includes: a base plate 1, a head support plate 2, a head positioning plate 3, a plurality of positioning rods 4, and a plurality of support holes 5; the end support plate 2 is arranged at one end of the bottom plate 1 and can freely slide along the length direction of the bottom plate 1; the end positioning plate 3 is fixedly arranged at the other end of the bottom plate opposite to the end supporting plate 2; the positioning rods 4 are uniformly arranged on one surface of the end positioning plate 3 facing the end support plate 2 along the circumferential direction, and positioning grooves 401 for inserting and fixing reinforcing steel bars are formed in the ends of the positioning rods 4; the plurality of supporting holes 5 are uniformly and penetratingly arranged on the end supporting plate 2 along the circumferential direction and correspond to the plurality of positioning rods 4 one by one;

in the structure, the bottom plate 1, the end support plate 2, the end positioning plate 3 and the positioning rod 4 are all steel members so as to ensure the strength and the use stability of the device; the number of the positioning rods 4 and the supporting holes 5 can be determined according to the design requirement of the machined reinforcement cage, but the number of the positioning rods 4 and the supporting holes 5 is consistent, and the axes of the corresponding positioning rods 4 and supporting holes 5 are coincident; generally, in order to facilitate the insertion of the reinforcing bar 7 into the supporting hole 5 from the outside and the fixation by the positioning groove 401 of the positioning rod 4, the diameter of the supporting hole 5 should be greater than the diameter of the reinforcing bar by 2 to 3 mm, and the diameter of the positioning groove 401 should be equal to the diameter of the reinforcing bar or greater than the diameter of the reinforcing bar by 0.5 to 1 mm;

when the utility model is used, as shown in fig. 6, each steel bar of the segmented steel bar cage is only required to be inserted into the supporting hole 5 from the outer side and fixed through the positioning groove 401 of the positioning rod 4, even if one end of each steel bar can be fixed through the supporting hole 5, the other end of each steel bar can be positioned through being inserted into the positioning groove 401 (the end of the steel bar to be controlled is completely inserted into the positioning groove 401), so that the consistent spacing between two ends of the segmented steel bar cage along the circumferential direction of adjacent steel bars is ensured, and although the spacing between the end of the steel bar fixed through the supporting hole 5 has small deviation, the small deviation can be subjected to fine adjustment control through the deflection of the steel bar, and the mechanical connection of the adjacent segmented steel bar cage is not influenced; after the sectional reinforcement cage is positioned by the method, the positioned reinforcement can be bound by using the stirrup 8, and the end support plate 2 can be moved outwards (moved away from one side of the end positioning plate 3) after the binding is finished, so that the left end of the sectional reinforcement cage is separated from the support of the end support plate 2, and then the sectional reinforcement cage is moved outwards, so that the right end of the sectional reinforcement cage is separated from the fixation of the positioning rod 4, and therefore, the sectional reinforcement cage can be lifted up, and then the sectional reinforcement cage can be sequentially mechanically connected by using the joint.

In order to better support the reinforcement cage on the device of the utility model, so that the reinforcement cage can be conveniently hoisted and transferred after being bound, further, in a preferred embodiment, a reinforcement cage support 6 is arranged on the upper surface of the bottom plate 1 between the end positioning plate 3 and the end support plate 2, and a groove for supporting the reinforcement cage is formed in the top of the reinforcement cage support 6.

Further, in a preferred embodiment, the number of the reinforcement cage supports 6 is 1 to 3.

Further, in a preferred embodiment, the groove depths of the plurality of positioning grooves 401 are alternately arranged along the circumferential direction according to a size and a size, so that the reinforcement joints of adjacent segmented reinforcement cages can be connected in a staggered manner, and the stress stability of the reinforcement cages after mechanical connection is improved.

Further, in a preferred embodiment, the positioning groove 401 with a larger groove depth has the same groove depth, and the value range is 20-50 cm; the positioning groove 401 with smaller groove depth has the same groove depth and has a value range of 10-15 and cm.

To facilitate the movement of the end support plate, further, in a preferred embodiment, the bottom plate 1 is provided with a channel 101, the bottom of the end support plate 2 is provided with a pulley block 201, and the pulley block 201 can be embedded into the channel 101 to slide freely; preferably, the pulley block 201 has a braking function, and pulleys in the pulley block adopt steel wheels.

Claims (6)

1. Positioning device for pile foundation segmentation steel reinforcement cage ligature, its characterized in that includes:

a bottom plate (1);

the end support plate (2) is arranged at one end of the bottom plate (1) and can freely slide along the length direction of the bottom plate (1);

the end positioning plate (3) is fixedly arranged at the other end of the bottom plate opposite to the end supporting plate (2);

the positioning rods (4) are uniformly arranged on one surface of the end positioning plate (3) facing the end support plate (2) along the circumferential direction, and positioning grooves (401) for inserting and fixing reinforcing steel bars are formed in the ends of the positioning rods (4); the method comprises the steps of,

the support holes (5) are uniformly penetrated on the end support plate (2) along the annular direction, and correspond to the positioning rods (4) one by one.

2. The positioning device for pile foundation segmented reinforcement cage binding according to claim 1, wherein a reinforcement cage support (6) is arranged between the end positioning plate (3) and the end supporting plate (2) on the upper surface of the bottom plate (1), and a groove for supporting the reinforcement cage is formed in the top of the reinforcement cage support (6).

3. A positioning device for pile foundation sectional reinforcement cage binding according to claim 2, characterized in that the number of reinforcement cage supports (6) is 1-3.

4. A positioning device for pile foundation sectional reinforcement cage binding as claimed in claim 1, characterized in that the groove depths of a plurality of said positioning grooves (401) are alternately arranged in the circumferential direction in a large-small manner.

5. The positioning device for pile foundation sectional reinforcement cage binding according to claim 4, characterized in that the positioning grooves (401) with larger groove depth have the same groove depth and have a value range of 20-50 cm; the depth of the positioning groove (401) with smaller groove depth is the same, and the value range is 10-15 cm.

6. The positioning device for pile foundation sectional reinforcement cage binding according to any one of claims 1-5, characterized in that a channel (101) is arranged on the bottom plate (1), a pulley block (201) is arranged at the bottom of the end support plate (2), and the pulley block (201) can be embedded into the channel (101) to slide freely.