CN220868596U

CN220868596U - Reinforcing steel bar pre-buried fixing device

Info

Publication number: CN220868596U
Application number: CN202322723903.XU
Authority: CN
Inventors: 徐子涵; 俞浩; 庄国栋; 张宗宝; 安振军; 陈新生; 武恒; 李玲
Original assignee: China Construction Science and Industry Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-04-30
Anticipated expiration: 2033-10-10

Abstract

The utility model relates to the technical field of building construction, in particular to a reinforcing steel bar pre-embedding fixing device. The pre-buried fixing device of reinforcing bar includes: at least three stabilizing pieces fixedly connected with the floor support plate, wherein each stabilizing piece is provided with a stabilizing hole penetrating through the stabilizing piece along the gravity direction, the floor support plate is provided with a through hole corresponding to the stabilizing hole, and the stabilizing holes and the through holes are suitable for the steel bar to penetrate through; the fixing frame is connected with a plurality of stabilizing pieces at the same time; the locking piece is penetrated on the outer peripheral surface of the stabilizing piece and is provided with a first state that a part of the locking piece extends into the stabilizing hole and is abutted against the reinforcing steel bar, and a second state that the locking piece exits from the stabilizing hole and is far away from the reinforcing steel bar. According to the reinforcing steel bar pre-embedding and fixing device, the stabilizing piece and the fixing frame are arranged on the floor support plate so as to support and fix reinforcing steel bars penetrating through the floor support plate, so that the floor support plate can reliably support and fix the reinforcing steel bars when the reinforcing steel bars are pre-embedded before the floor concrete is poured.

Description

Reinforcing steel bar pre-buried fixing device

Technical Field

The utility model relates to the technical field of building construction, in particular to a reinforcing steel bar pre-embedding fixing device.

Background

With the development of the assembled building, the steel bar truss floor support plate can greatly shorten the construction time, obtain good economic benefit and be widely applied. The construction process of post-planting bars is adopted in the construction of the constructional column on the existing floor slab, but the process can be used for carrying out the next working procedure after positioning paying-off, drilling, hole cleaning, bar planting glue bar planting and drawing tests, and is complex in process. Therefore, the constructional column steel bars can be pre-buried before the concrete pouring of the floor slab to simplify the construction process, but the method of opening the steel bar truss floor support plate and passing the constructional column steel bars through the steel bar truss floor support plate also has the problem that the constructional column steel bars cannot be stably arranged at required positions.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the constructional column steel bars cannot be firmly fixed at the required positions by adopting a process of pre-burying the constructional column steel bars before the concrete pouring of the floor slab in the prior art, thereby providing the steel bar pre-burying fixing device capable of fixing the constructional column steel bars when the constructional column steel bars are pre-buried before the concrete pouring of the floor slab.

In order to solve the technical problems, the utility model provides a reinforcing steel bar pre-embedding fixing device, which comprises:

at least three stabilizing pieces are fixedly connected with the floor support plate, each stabilizing piece is provided with a stabilizing hole penetrating through the stabilizing piece along the gravity direction, the floor support plate is provided with a through hole at the position corresponding to the stabilizing hole, and the stabilizing holes and the through holes are suitable for the steel bar to penetrate through;

The fixing frame is simultaneously connected with a plurality of the stabilizing pieces;

The locking piece is arranged on the outer peripheral surface of the stabilizing piece in a penetrating mode, and the locking piece is provided with a first state that a part of area stretches into the stabilizing hole and is abutted to the reinforcing steel bar, and a second state that the locking piece exits from the stabilizing hole and is far away from the reinforcing steel bar.

Optionally, a clamping piece is arranged between the stabilizing piece and the floor support plate, the clamping piece is fixedly connected with the bottom of the stabilizing piece along the gravity direction, the side wall of the clamping piece along the gravity direction is abutted to the through hole on the floor support plate, and the stabilizing piece is fixedly connected with the floor support plate through the clamping piece.

Optionally, the bottom of stabilizer along the direction of gravity is provided with the snap ring, the snap ring has joint portion, the top of joint along the direction of gravity is provided with the draw-in groove, the size of joint portion with the size of draw-in groove cooperatees.

Optionally, the snap ring further has a connection portion, and the connection portion is adapted to fixedly connect the stabilizer and the clamping portion.

Optionally, along the gravity direction, the outer wall of the clamping piece forms a conical surface.

Optionally, the outer wall of the clamping piece forms a conical surface, and the through hole is a round hole;

the diameter of the clamping piece far away from one end of the stabilizing piece is smaller than the diameter of the through hole and larger than the outer diameter of the reinforcing steel bar, and the diameter of the clamping piece near one end of the stabilizing piece is larger than the diameter of the through hole.

Optionally, the clamping piece is made of soft materials.

Optionally, the mount includes along the horizontal at least three dead lever that sets up, the quantity of dead lever with the quantity looks adaptation of stabilizer, a plurality of one of them butt each other of dead lever forms fixed connection, a plurality of the other end of dead lever with stabilizer and/or joint spare fixed connection.

Optionally, the locking element is disposed at an angle to the axis of the stabilizing bore.

Optionally, the locking piece includes the bolt, the stabilizer corresponds the screw hole has been seted up to the position of bolt, screw hole one end with the outside intercommunication of stabilizer, the other end with the stabilizer hole intercommunication.

The technical scheme of the utility model has the following advantages:

1. according to the reinforcing steel bar pre-embedding and fixing device, the stabilizing piece and the fixing frame are arranged on the floor support plate so as to support and fix reinforcing steel bars penetrating through the floor support plate, so that the floor support plate can reliably support and fix the reinforcing steel bars when the reinforcing steel bars are pre-embedded before floor concrete is poured.

2. According to the reinforcing steel bar pre-embedding fixing device, the outer wall of the clamping piece is made to be a conical surface, the conical surface is abutted with the through hole, and the clamping piece is limited in the axial direction and the direction perpendicular to the axial direction, so that the relative positions of the stabilizing piece and the floor support plate are fixed, and the floor support plate and the reinforcing steel bars are stably supported.

3. According to the reinforcement embedded fixing device, the diameter of one end, far away from the stabilizing piece, of the clamping piece is smaller than the diameter of the through hole, so that one end, far away from the stabilizing piece, of the clamping piece can conveniently extend into the through hole, and the diameter of one end, close to the stabilizing piece, of the clamping piece is larger than the diameter of the through hole, so that the clamping piece is prevented from falling below the floor support plate through the through hole.

4. According to the reinforcing steel bar pre-buried fixing device provided by the utility model, the clamping piece is made of soft materials, so that the clamping piece and the through hole are in close joint connection, and concrete is prevented from leaking to the lower layer of the floor slab through a gap between the clamping piece and the through hole when the floor slab concrete is poured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a three-dimensional schematic view of a reinforcing steel bar pre-embedding and fixing device of the utility model;

FIG. 2 is a side view I of the rebar pre-buried fixture of the present utility model;

Fig. 3 is a second side view of the reinforcing steel bar pre-embedding and fixing device of the utility model;

FIG. 4 is a top view of the rebar pre-buried fixture of the present utility model;

FIG. 5 is an exploded view of the area surrounding the stabilizer of the rebar pre-buried fixture of the present utility model;

fig. 6 is a schematic view showing a state that the reinforcing steel bar pre-embedding fixing device is matched with the reinforcing steel bar and the floor support plate;

Fig. 7 is a sectional view showing a state in which the reinforcing steel bar pre-buried fixing device of the present utility model is fitted with the reinforcing steel bar and the floor support plate.

Reference numerals illustrate:

The device comprises a 1-fixing frame, a 2-stabilizing piece, a 3-clamping piece, a 31-clamping groove, a 4-locking piece, a 5-floor support plate, a 6-reinforcing steel bar, a 7-clamping ring, a 71-clamping part, a 72-connecting part, an 8-stabilizing hole and a 9-level bubble.

Detailed Description

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 apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, 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 utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 1 to 7, the fixing device for embedding reinforcing steel bars provided in this embodiment includes:

At least three stabilizing pieces 2 are fixedly connected with the floor support plate 5, and stabilizing holes 8 penetrating through the stabilizing pieces 2 are formed in each stabilizing piece 2 along the gravity direction, through holes are formed in the positions, corresponding to the stabilizing holes 8, of the floor support plate 5, and the stabilizing holes 8 and the through holes are suitable for the steel bars 6 to penetrate through;

the fixing frame 1 is simultaneously connected with a plurality of the stabilizing pieces 2;

The locking piece 4 is arranged on the outer peripheral surface of the stabilizing piece 2 in a penetrating mode, and the locking piece 4 is provided with a first state that a part of area stretches into the stabilizing hole 8 and is abutted against the reinforcing steel bar 6, and a second state that the locking piece exits from the stabilizing hole 8 and is far away from the reinforcing steel bar 6.

The stabilizing member 2 comprises a cylinder and a polygon prism, the stabilizing member 2 has a structure extending along the gravity direction, the stabilizing hole 8 is arranged on the structure extending along the gravity direction of the stabilizing member 2, preferably, the axis of the stabilizing hole 8 coincides with the axis of the cylinder or polygon prism, and the axis of the stabilizing hole 8 is parallel to the gravity direction. The floor support plate 5 is arranged along a direction perpendicular to the gravity direction, the axis of the through hole is parallel to the gravity direction, and the inner diameters of the stabilizing hole 8 and the through hole are larger than the outer diameter of the reinforcing steel bar 6 so as to be suitable for the reinforcing steel bar 6 to pass through the floor support plate 5 through the stabilizing hole 8 and the through hole.

The fixing frame 1 is fixedly connected with a plurality of stabilizing pieces 2 at the same time, so that a plurality of stabilizing pieces 2 are integrated, the relative positions among the stabilizing pieces 2 are fixed, and the stability of the stabilizing pieces 2 for supporting the reinforcing steel bars 6 is improved. Preferably, a plurality of the stabilizing members 2 are distributed at each intersection of the same polygon, and the fixing frame 1 is located between a plurality of the stabilizing members 2, so as to be suitable for fixedly connecting a plurality of the stabilizing members 2.

As a possible implementation form, the stabilizing member 2 is a cylinder, the cylinder is disposed along the gravity direction, the stabilizing hole 8 is disposed on the cylinder along the gravity direction, preferably, the axis of the stabilizing hole 8 coincides with the axis of the cylinder, and the inner diameter of the stabilizing hole 8 is greater than the outer diameter of the reinforcing steel bar 6. The number of the stabilizing pieces 2 is four, the stabilizing pieces are distributed at four vertexes of the same rectangle, and the fixing frame 1 is X-shaped or cross-shaped, is positioned in the rectangle and is fixedly connected with the four stabilizing pieces 2.

When the locking piece 4 is in the first state, the relative positions of the steel bars 6 and the stabilizing piece 2 are fixed, and the stabilizing piece 2 is suitable for supporting the steel bars 6; when the locking member 4 is in the second state, the reinforcing bar 6 can move in the stabilizing hole 8 along the axial direction thereof, so as to be suitable for an operator to penetrate the reinforcing bar 6 into the stabilizing member 2, and adjust the relative positions of the reinforcing bar 6 and the stabilizing member 2 according to the requirement. Therefore, before the floor slab concrete is poured, the steel bars 6 can be reliably pre-buried and fixed, the through holes can be formed in the bottom or the top of the floor support plate 5, the problem that the bottom of the floor support plate 5 cannot be perforated any more due to a post-reinforcement planting construction method is solved, the construction efficiency is improved, the construction quality is improved, the installation efficiency is improved, and the construction cost is reduced.

According to the reinforcing steel bar embedding device, the stabilizing piece 2 and the fixing frame 1 are arranged on the floor support plate 5, so that the reinforcing steel bars 6 penetrating through the floor support plate 5 are supported and fixed, and the floor support plate can reliably support and fix the reinforcing steel bars when the reinforcing steel bars 6 are embedded before floor concrete pouring.

Specifically, a clamping piece 3 is arranged between the stabilizing piece 2 and the floor support plate 5, the clamping piece 3 is fixedly connected with the bottom of the stabilizing piece 2 along the gravity direction, the side wall of the clamping piece 3 along the gravity direction is abutted to the through hole on the floor support plate 5, and the stabilizing piece 2 is fixedly connected with the floor support plate 5 through the clamping piece 3.

The clamping piece 3 is provided with a through hole along the gravity direction, the through hole is matched with the stabilizing hole 8, preferably, the diameter of the through hole is the same as that of the stabilizing hole 8, the axis of the through hole is coincident with that of the stabilizing hole 8, the inner diameter of the through hole is larger than the outer diameter of the reinforcing steel bar 6, and the reinforcing steel bar 6 is suitable for extending from one side of the floor support plate 5 to the other side through the stabilizing hole 8 and the through hole.

Specifically, the bottom of stabilizer 2 along the direction of gravity is provided with snap ring 7, snap ring 7 has joint portion 71, the top of joint 3 along the direction of gravity is provided with draw-in groove 31, the size of joint portion 71 with the size of draw-in groove 31 cooperatees.

Preferably, the engaging portion 71 is a flat plate, the flat plate extends in a direction perpendicular to the gravitational force, and the flat plate has a size smaller than the outer peripheral surface of the stabilizer 2. Along the gravity direction, the distance between the clamping groove 31 and the upper surface of the clamping piece 3 is H, wherein H is more than 0. The stabilizer 2 is clamped in the clamping groove 31 via the clamping part 71, and is further fixedly connected with the clamping part 3.

Specifically, the snap ring 7 further has a connection portion 72, and the connection portion 72 is adapted to fixedly connect the stabilizer 2 with the clamping portion 71.

Preferably, the height of the connecting portion 72 is H in the gravity direction, and the dimension of the connecting portion 72 is smaller than the dimension of the engaging portion 71 and larger than the outer diameter of the reinforcing bar 6 in the direction perpendicular to the gravity direction.

Specifically, along the gravity direction, the outer wall of the clamping piece 3 forms a conical surface.

The conical surface comprises a conical surface, a triangular conical surface, a quadrangular conical surface or other conical surfaces with gradually changing sizes along the axial direction, and the sizes of the conical surfaces gradually decrease along the gravity direction. The conical surface is abutted against the inner wall of the through hole so as to be suitable for preventing the clamping piece 3 and the stabilizing piece 2 from penetrating through the through hole.

According to the reinforcing steel bar pre-embedding device provided by the embodiment, the outer wall of the clamping piece 3 is enabled to form the conical surface, the conical surface is enabled to be in butt joint with the through hole, the clamping piece 3 is limited in the axial direction and the direction perpendicular to the axial direction of the floor support plate 5, the relative positions of the stabilizing piece 2 and the floor support plate 5 are fixed, and the floor support plate 5 and the reinforcing steel bars 6 are firmly supported.

Specifically, the outer wall of the clamping piece 3 forms a conical surface, and the through hole is a round hole;

The diameter of the end, away from the stabilizer 2, of the clamping piece 3 is smaller than the diameter of the through hole and larger than the outer diameter of the steel bar 6, and the diameter of the end, close to the stabilizer 2, of the clamping piece 3 is larger than the diameter of the through hole.

Along the gravity direction, stabilizer 2 set up in the top of building carrier plate 5, the joint 3 be close to the one end diameter of stabilizer 2 is greater than the diameter of through-hole, the joint 3 is kept away from the one end diameter of stabilizer 2 is less than the diameter of through-hole, in order to be suitable for making the joint 3 keep away from the one end of stabilizer 2 passes the through-hole, and prevent the joint 3 is close to the one end of stabilizer 2 passes the through-hole, thereby makes building carrier plate 5 supports the joint 3.

According to the reinforcing steel bar pre-embedding device provided by the embodiment, the diameter of one end of the clamping piece 3, which is far away from the stabilizing piece 2, is smaller than the diameter of the through hole, so that one end of the clamping piece 3, which is far away from the stabilizing piece 2, stretches into the through hole, and the diameter of one end of the clamping piece 3, which is close to the stabilizing piece 2, is larger than the diameter of the through hole, so that the clamping piece 3 is prevented from falling below the floor support plate 5 through the through hole.

Specifically, the clamping piece 3 is made of soft materials.

Preferably, the clamping member 3 is made of rubber so that the clamping member 3 is tightly matched with the through hole, thereby preventing concrete from leaking to the lower layer of the floor slab through a gap between the clamping member 3 and the through hole when the floor slab concrete is poured.

According to the reinforcing steel bar pre-burying device provided by the embodiment, the clamping piece 3 is made of soft materials, so that the clamping piece 3 is in close joint connection with the through hole, and concrete is prevented from leaking to the lower layer of the floor through a gap between the clamping piece 3 and the through hole when the floor concrete is poured.

Specifically, the mount includes along the horizontal at least three dead lever that sets up, the quantity of dead lever with the quantity looks adaptation of stabilizer 2, a plurality of one of them butt each other of dead lever forms fixed connection, a plurality of the other end of dead lever with stabilizer 2 and/or joint spare 3 fixed connection.

Preferably, the angle between the projections of two adjacent fixing rods is the same along the gravity direction. Additionally, the upper end face of the fixing frame 1 along the gravity direction is further provided with a level bubble 9, the number of the level bubbles 9 is matched with the number of the fixing rods, each fixing rod is provided with one level bubble 9, the fixing rods are provided with grooves corresponding to the positions of the level bubbles 9, the grooves are suitable for placing the level bubbles 9, the level bubble 9 is suitable for operators to observe whether a plurality of stabilizing pieces 2 are located on the same horizontal plane, and if the stabilizing pieces 2 are not located on the same horizontal plane, the fixing frame 1 is adjusted to enable a plurality of stabilizing pieces 2 to be located on the same horizontal plane.

In particular, the locking element 4 is arranged at an angle to the axis of the stabilizing bore 8.

The locking element 4 is arranged at an angle to the stabilizing hole 8 so as to be adapted to have the first condition close to the bar 6 and the second condition remote from the bar 6 when the locking element 4 is moved in the direction of its axis.

Specifically, the locking piece 4 comprises a bolt, a threaded hole is formed in the position, corresponding to the bolt, of the stabilizing piece 2, one end of the threaded hole is communicated with the outside of the stabilizing piece 2, and the other end of the threaded hole is communicated with the stabilizing hole 8.

The bolt is matched with the threaded hole, and is suitable for extending into the stabilizing hole 8 along the threaded hole and abutting against the reinforcing steel bar 6 through rotation around the axis of the bolt, so that the relative position of the stabilizing piece 2 and the reinforcing steel bar 6 is fixed; or exits the stabilizing hole 8 and is spaced away from the rebar 6 to facilitate an operator in adjusting the relative position of the rebar 6 with respect to the stabilizer 2.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a pre-buried fixing device of reinforcing bar which characterized in that includes:

The stabilizing pieces (2) are fixedly connected with the floor support plate (5), stabilizing holes (8) penetrating through the stabilizing pieces are formed in each stabilizing piece (2) along the gravity direction, through holes are formed in the positions, corresponding to the stabilizing holes (8), of the floor support plate (5), and the stabilizing holes (8) and the through holes are suitable for the steel bars (6) to penetrate through;

The fixing frame (1) is simultaneously connected with a plurality of the stabilizing pieces (2);

The locking piece (4) penetrates through the outer peripheral surface of the stabilizing piece (2), and the locking piece (4) is provided with a first state in which a part of area stretches into the stabilizing hole (8) and is abutted with the reinforcing steel bar (6), and a second state in which the locking piece is withdrawn from the stabilizing hole (8) and is far away from the reinforcing steel bar (6).

2. The reinforcing steel bar pre-buried fixing device according to claim 1, wherein a clamping piece (3) is arranged between the stabilizing piece (2) and the building support plate (5), the clamping piece (3) is fixedly connected with the bottom of the stabilizing piece (2) along the gravity direction, the side wall of the clamping piece (3) along the gravity direction is abutted with the through hole on the building support plate (5), and the stabilizing piece (2) is fixedly connected with the building support plate (5) through the clamping piece (3).

3. The reinforcing steel bar pre-buried fixing device according to claim 2, wherein a clamping ring (7) is arranged at the bottom of the stabilizing piece (2) along the gravity direction, the clamping ring (7) is provided with a clamping part (71), a clamping groove (31) is arranged at the top of the clamping piece (3) along the gravity direction, and the size of the clamping part (71) is matched with the size of the clamping groove (31).

4. A rebar pre-buried fixing according to claim 3, in which the clasp (7) also has a connection portion (72), the connection portion (72) being adapted to fixedly connect the stabilizer (2) with the clamping portion (71).

5. The rebar pre-buried fixing according to any one of claims 2 to 4, wherein the outer wall of the clip (3) forms a conical surface along the direction of gravity.

6. The steel bar pre-embedding fixing device according to claim 5, wherein the outer wall of the clamping piece (3) forms a conical surface, and the through hole is a round hole;

The diameter of one end of the clamping piece (3) far away from the stabilizing piece (2) is smaller than the diameter of the through hole and larger than the outer diameter of the reinforcing steel bar (6), and the diameter of one end of the clamping piece (3) close to the stabilizing piece (2) is larger than the diameter of the through hole.

7. The reinforcing steel bar pre-buried fixing device according to claim 5, wherein the clamping piece (3) is made of soft materials.

8. The reinforcing steel bar pre-buried fixing device according to claim 2, wherein the fixing frame (1) comprises at least three fixing rods which are arranged transversely, the number of the fixing rods is matched with that of the stabilizing pieces (2), one ends of the fixing rods are mutually abutted and form fixed connection, and the other ends of the fixing rods are fixedly connected with the stabilizing pieces (2) and/or the clamping pieces (3).

9. The rebar pre-buried fixing according to claim 1, characterized in that the locking element (4) is arranged at an angle to the axis of the stabilizing hole (8).

10. The reinforcing steel bar pre-buried fixing device according to claim 9, wherein the locking piece (4) comprises a bolt, a threaded hole is formed in the position, corresponding to the bolt, of the stabilizing piece (2), one end of the threaded hole is communicated with the outside of the stabilizing piece (2), and the other end of the threaded hole is communicated with the stabilizing hole (8).