CN219909635U - Reinforcing steel bar binding interval control device - Google Patents

Abstract

The utility model discloses a steel bar binding space control device, which relates to the field of steel bar binding space control in concrete, and comprises the following components: the square fixed pipe, the side is equipped with the upset hole, multiunit interval round pin, connects on square fixed pipe according to the interval of reinforcement, and arranges along the axial lead of square fixed pipe, only can hold a reinforcing bar between every two interval round pins of group, the upset pole, with upset hole matchedly, can realize carrying out the control of reinforcement interval according to the reinforcement interval requirement of construction drawing design, can also regard as the slide caliper rule of reinforcement to use.

Description

Reinforcing steel bar binding interval control device

Technical Field

The utility model relates to the field of reinforcement bar binding interval control in concrete, in particular to a reinforcement bar binding interval control device.

Background

The steel reinforcement framework is generally designed in the concrete engineering structure, the steel reinforcement specification, the number and the spacing specified in the construction drawing are required to be bound before concrete is poured, the traditional steel reinforcement binding method is used for ensuring that the steel reinforcement specification and the number meet the design requirement, the spacing is distributed according to the sense, the situation that the spacing is too large and too small is easily checked by quality management staff on site, and after concrete is poured, the situation that the steel reinforcement distribution does not conform to the design state sometimes occurs, so that the local part of the reinforced concrete structure is cracked or even damaged by stress is caused.

Disclosure of Invention

The embodiment of the utility model provides a steel bar binding space control device, which can solve the problems that in the prior art, the traditional steel bar binding method is required to ensure that the specification and the number of steel bars meet the design requirement, and the distribution of the steel bars, which is caused by the arrangement of the space according to the sense, does not accord with the design state, so that the local part of a reinforced concrete structure is cracked and even damaged by stress.

The embodiment of the utility model provides a steel bar binding space control device, which comprises:

the side surface of the square fixed pipe is provided with a turnover hole;

the plurality of groups of spacing pins are connected to the square fixed pipe according to the spacing of the binding of the steel bars and are arranged along the axial lead of the square fixed pipe, and only one steel bar can be contained between each group of two spacing pins;

and the turnover rod is connected with the turnover hole in a matching way.

Further, the distance between each set of two spacing pins is greater than the diameter of the rebar.

Further, the distance between adjacent sets of spacing pins is equal to the spacing of the rebar in the engineered concrete structure.

Further, the height of the spacing pin exposed out of the square fixing pipe is larger than the diameter of the steel bar.

Further, the connection mode between the spacing pin and the square fixed pipe comprises:

the pin-hole interference connection, welding, pin-buckle receptacle connection.

Further, the number of spacing pins is 2 times the number of bars.

Further, the height of the square fixed pipe is lower than the thickness of the concrete protective layer.

Further, the square fixing tube includes a transverse square fixing tube and a longitudinal square fixing tube.

Compared with the prior art, the embodiment of the utility model provides a steel bar binding space control device, which has the following beneficial effects:

the utility model is mainly aimed at solving the problem that the reinforcement bar spacing in the prior art cannot meet the design requirement due to the fact that the reinforcement bar spacing is distributed according to the feel, so that the strength of the reinforced concrete structure is affected, and the control device can control the reinforcement bar spacing according to the construction drawing design.

Drawings

Fig. 1 is a schematic structural diagram of a reinforcement bar binding space control device according to an embodiment of the present utility model;

fig. 2 is an illustration of a tilting lever of a reinforcement bar binding space control device according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of transverse placement and longitudinal placement of a reinforcement bar binding space control device according to an embodiment of the present utility model.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

It is to be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. 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 utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the mechanical connection can be realized, and the electric welding connection can be realized; can be connected in a lap joint way or indirectly through an intermediate medium, and can be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1 to 3, a reinforcement bar binding space control apparatus includes:

the side surface of the square fixed tube 2 is provided with a turnover hole 2-1;

the plurality of groups of spacing pins 1 are connected to the square fixed pipe 2 according to the binding spacing of the steel bars 4 and are arranged along the axial lead of the square fixed pipe 2, and only one steel bar 4 can be contained between each group of two spacing pins 1;

and the turnover rod 3 is connected with the turnover hole 2-1 in a matching way.

It should be noted that, square fixed pipe 2 is made by shaped steel such as square pipe or square steel, can lighten weight, conveniently transport and remove, and its length can be confirmed by the reinforcement 4 ligature width of an optimum construction unit or disposable control, but should not overlength, overlength then weight increase, and be difficult for being taken out after reinforcement 4 ligature is accomplished.

In this embodiment, as shown in fig. 2, the turning hole 2-1 is a circular hole, and the turning rod 3 is a circular rod.

The turning hole 2-1 is a hole of an arbitrary shape, and the shape of the turning rod 3 is not limited, and the turning rod may be inserted into the turning hole 2-1, and the material of the plurality of sets of pitch pins 1 may be steel bars 4.

In this embodiment, when the square fixed tube 2 is in a working state, the axis directions of the plurality of groups of spacing pins 1 are perpendicular to the contact surface of the steel bar 4 to be bound and limit the steel bar 4 to move transversely, and when the square fixed tube 2 is in a non-working state, the axis directions of the plurality of groups of spacing pins 1 are parallel to the contact surface of the steel bar 4 to be bound, so that the square fixed tube 2 is not influenced to be inserted into or pulled out from the lower part of the steel bar 4 to be bound, the turnover rod 3 is used for prying the square fixed tube 2 for 90 degrees each time, so that the square fixed tube is turned to a rod-shaped object converted from the non-working position at the working position, and after the square fixed tube is turned to the working position, objects such as sandbags with proper weight are pressed at the tail end, so as to ensure that the square fixed tube 2 is not to be turned or displaced under the action of external force.

Specifically, the multiple sets of spacing pins 1 are arranged along a central line on one surface of the square fixed pipe 2, and the multiple reinforcing steel bars 4 are respectively placed in the positioning grooves 5 of the multiple sets of spacing pins 1 of the square fixed pipe 2, and the positioning grooves are positioned between every two sets of spacing pins 1.

In one possible embodiment, the distance between each set of two spacing pins 1 is greater than the diameter of the rebar 4.

In the embodiment provided by the utility model, each group of two spacing pins 1 are fixed on a square fixed pipe 2 in pairs according to the net spacing of the diameter D+3mm of the steel bars 4 to be bound.

In one possible embodiment, the distance between adjacent sets of spacing pins 1 is equal to the spacing of the rebars in the engineered concrete structure.

In the embodiment provided by the utility model, the center distance between the adjacent paired spacing pins 1 is determined by the designed reinforcement spacing value in the construction drawing, and can be adjusted to the required spacing size according to different reinforcement spacing given in the construction drawing.

In one possible embodiment, the height of the spacing pin 1 exposed outside the square fixing tube 2 is greater than the diameter of the reinforcing bar 4.

In the embodiment provided by the utility model, the protruding height of the plurality of groups of spacing pins 1 on the square fixed pipe 2 is related to the diameter D of the steel bars 4 to be bound, and the protruding height can be a value of D+10mm.

In one possible embodiment, the connection between the spacing pin 1 and the square fixing tube 2 comprises:

the pin-hole interference connection, welding, pin-buckle receptacle connection.

In the embodiment provided by the utility model, the connection mode can be movable connection or fixed connection, wherein the movable connection comprises 'pin-hole' interference connection and pin-buckle jack connection, and the fixed connection comprises welding.

In one possible embodiment, the number of spacing pins 1 is 2 times the number of bars 4.

In the embodiment provided by the utility model, two spacing pins 1 are arranged on two sides of each reinforcing steel bar 4 and used for preventing the reinforcing steel bars from moving along the central line direction of the square fixed pipe 2.

In one possible embodiment, the height of the square fixing tube 2 is lower than the thickness of the concrete protection layer.

In the embodiment provided by the utility model, the side length of the square fixed pipe 2 is related to the thickness of the concrete protection layer required by design, the rigidity is insufficient when the side length is smaller, and when the side length is too large, the weight of the steel bar net sheet after binding is not easy to rotate to influence the square fixed pipe 2 to be smoothly pulled out, for example: when the thickness of the concrete protective layer is 35mm, the side length of the section steel can be 30mm.

In one possible embodiment, the square fixation tube 2 comprises a transverse square fixation tube and a longitudinal square fixation tube.

The square fixed pipe 2 can be used for controlling the steel bar binding in the mutually perpendicular direction simultaneously by being longitudinally and transversely placed, and can be used for controlling the distance between the steel bars in the direction along the central line, and is also suitable for controlling the distance between the perpendicular steel bars in the direction perpendicular to the central line.

The square fixed pipe 2 can also be used as an inspection caliper, and the length of the caliper is 0.5-1 m, namely: when the ruler is used as a ruler to check the intervals of the bound or to-be-bound steel bars with determined intervals, the steel bars with qualified intervals should fall into the positioning grooves.

The application method of the steel bar binding space control device comprises the following steps:

firstly, determining the width of an optimal reinforcement construction unit according to the reinforcement arrangement requirements of engineering design, manufacturing a reinforcement spacing control device meeting the width of the construction unit according to the reinforcement spacing, preferably 2-3 m in reasonable length of a square fixed pipe 2 in the reinforcement binding spacing control device, and installing a plurality of groups of spacing pins 1 on the square fixed pipe 2 according to the designed reinforcement diameter and reinforcement spacing, so that the spacing formed by the centers of a positioning groove 5 and the positioning groove 5 meets the designed reinforcement spacing requirements, and reserving proper length for processing a turnover hole 2-1.

And secondly, finishing the processing of the steel bars according to the construction drawing, entering a site for standby, and preparing the required binding wires, concrete protective layer cushion blocks and other working tools.

Thirdly, positioning a spacing control device: the manufactured steel bar binding space control device is placed on a binding base surface, the control device is in a working state, namely, a plurality of groups of space pins 1 are vertically upwards, when the space between the steel bars is longitudinally and transversely the same, the longitudinal control device and the transverse control device have the same structural size and can be used randomly, when the control device is in place, the control device for longitudinal steel bar binding is placed at intervals, the first control device is placed at a position 0.5-1.0 m away from the beginning end of the steel bar, the second control device is placed at a position 0.5-1.0 m away from the tail end of the steel bar according to the length of a steel bar unit actually used, and the third control device and the fourth control device are respectively placed at a position 0.5-1.0 m away from the end of the next steel bar, and are sequentially forwards, and still placed at a position 0.5-1.0 m away from the end when the steel bar needs to be connected in a lap joint mode. The control means for lateral reinforcement is placed in succession, between the first and second roots in the direction of the longitudinal reinforcement, see figure 3.

When the spacing between the steel bars is different in the longitudinal direction and the transverse direction, the longitudinal control device and the transverse control device must be distinguished and placed, so that the occurrence of spacing errors is avoided. The placing method is the same as that described above.

After the control device is in place, the overturning rod 3 is inserted into the overturning hole 2-1, and weights such as sand bags and the like are pressed on the handle range of the overturning rod 3, so that the control device is prevented from overturning or displacing.

Fourthly, arranging and binding reinforcing steel bars: and sequentially placing the processed longitudinal steel bars and the transverse steel bars into the positioning grooves 5 of the placed steel bar spacing control device according to the construction drawing, wherein when the lap joint length is required, the lap joint length and the section lap joint rate meet the design requirements. The binding is carried out by adopting the specified binding wires and the specified number of channels according to the related requirements when the steel bars are bound, and the firm binding and buckling are ensured without loosening phenomenon.

Fifth, the extraction interval control device: after binding the steel bars according to the related requirements, placing a concrete protection layer cushion block under the steel bar framework or the net sheet; when the distance between the reinforcing steel bars is smaller and the cushion block of the protective layer is placed in the later period, the cushion block is bound below the reinforcing steel bars at the bottom layer when the reinforcing steel bars are placed. The spacing between the cushion blocks meets the design requirement. After the cushion block is placed, the weights such as sand bags and the like on the turning rod 3 are removed, the square fixed pipe 2 is turned over, the control device is converted into a non-working state, and the interval control devices are sequentially pulled out. The control device is checked for integrity and, if necessary, repaired in preparation for the next working cycle.

The foregoing disclosure is merely illustrative of specific embodiments of the utility model, but the embodiments are not limited thereto and variations within the scope of the utility model will be apparent to those skilled in the art.

Claims (5)

1. A reinforcement bar binding space control device, comprising:

a square fixed pipe (2), and a turnover hole (2-1) is arranged on the side surface of the square fixed pipe;

the plurality of groups of spacing pins (1) are connected to the square fixed pipe (2) according to the binding spacing of the reinforcing steel bars (4) and are arranged along the axial lead of the square fixed pipe (2), and only one reinforcing steel bar (4) can be contained between each group of two spacing pins (1);

and the turnover rod (3) is connected with the turnover hole (2-1) in a matching way.

2. A bar lacing spacing control device as in claim 1 wherein the distance between each set of two spacing pins (1) is greater than the diameter of the bar (4).

3. A reinforcement bar binding space control device according to claim 1, characterized in that the height of the space pin (1) exposed outside the square fixing tube (2) is larger than the diameter of the reinforcement bar (4).

4. A bar lacing spacing control device as in claim 1 wherein the means of connection between the spacing pin (1) and the square fixed tube (2) comprises:

the pin-hole interference connection, welding, pin-buckle receptacle connection.

5. A bar lacing spacing control device as in claim 1 wherein the square fixed tube (2) is of a height less than the thickness of the concrete blanket.