阅读说明：本技术 一种钢筋连接接头及钢筋连接工艺 (Steel bar connecting joint and steel bar connecting process ) 是由 陈振东 其他发明人请求不公开姓名 于 2021-09-16 设计创作，主要内容包括：本发明涉及钢筋连接技术领域,具体公开了一种钢筋连接接头及钢筋连接工艺。该连接接头用于夹持钢筋件,包括第一夹持块和第二夹持块,第一夹持块的第一开口与第二夹持块的第二开口相对设置,第一夹持块一端和第二夹持块一端铰接,第一夹持块另一端设有第一连接孔,第二夹持块另一端设有第二连接孔；当第一夹持块另一端与第二夹持块另一端相接触时,第一连接孔与第二连接孔同轴连通,通过连接件穿过第一连接孔和第二连接孔,使第一夹持块与第二夹持块的相对位置固定。该连接接头通过紧扣的方式套接于两个钢筋件外侧,从而能够实现钢筋件连接处的端面紧贴,保证了连接的强度,进而提高了钢筋连接的效率和良品率。(The invention relates to the technical field of steel bar connection, and particularly discloses a steel bar connection joint and a steel bar connection process. The connecting joint is used for clamping a steel bar piece and comprises a first clamping block and a second clamping block, wherein a first opening of the first clamping block and a second opening of the second clamping block are oppositely arranged, one end of the first clamping block is hinged with one end of the second clamping block, a first connecting hole is formed in the other end of the first clamping block, and a second connecting hole is formed in the other end of the second clamping block; when the other end of the first clamping block is in contact with the other end of the second clamping block, the first connecting hole is coaxially communicated with the second connecting hole, and the connecting piece penetrates through the first connecting hole and the second connecting hole, so that the relative positions of the first clamping block and the second clamping block are fixed. This attach fitting cup joints in two reinforcing bar spare outsides through the mode of fastening to can realize that the terminal surface of reinforcing bar spare junction is hugged closely, guarantee the intensity of connecting, and then improve the efficiency and the yields of steel bar connection.)

1. A rebar junction connector for clamping a piece of rebar (200), comprising:

the clamping device comprises a first clamping block (110) and a second clamping block (120), wherein the first clamping block (110) is provided with a concave first opening, the second clamping block (120) is provided with a concave second opening, the first opening and the second opening are oppositely arranged, one end of the first clamping block (110) is hinged with one end of the second clamping block (120), the other end of the first clamping block (110) is provided with at least one first connecting hole (112), and the other end of the second clamping block (120) is provided with second connecting holes (122) which are the same as the first connecting holes (112) in number;

when the other end of first grip block (110) with the other end of second grip block (120) contacts, first opening with the second opening concatenation forms the centre gripping mouth, just first connecting hole (112) with second connecting hole (122) one-to-one and coaxial intercommunication pass through the connecting piece first connecting hole (112) with second connecting hole (122), enable first grip block (110) with the relative position of second grip block (120) is fixed.

2. The reinforcing bar coupler according to claim 1, wherein the reinforcing bar coupler further comprises a rotation shaft (130), one end of the first clamping block (110) and one end of the second clamping block (120) are hinged by the rotation shaft (130), and both the first clamping block (110) and the second clamping block (120) can rotate around the axis of the rotation shaft (130).

3. The reinforcing bar connecting joint according to claim 2, wherein the first clamping block (110) has at least one first rotating shaft hole (113) formed therein, the second clamping block (120) has at least one second rotating shaft hole (123) formed therein, and the rotating shaft (130) passes through all the first rotating shaft holes (113) and all the second rotating shaft holes (123) simultaneously.

4. The reinforcing bar connecting joint according to claim 3, wherein one end of the first clamping block (110) is provided with at least one first boss (115) and at least one first groove (116), the first boss (115) and the first groove (116) are alternately arranged, and the first rotating shaft hole (113) penetrates through the first boss (115);

one end of the second clamping block (120) is provided with at least one second boss (125) and at least one second groove (126), the second boss (125) and the second groove (126) are alternately arranged, and the second rotating shaft hole (123) penetrates through the second boss (125);

the first boss (115) is fitted with the second groove (126), and the second boss (125) is fitted with the first groove (116).

5. A reinforcing bar connecting joint according to claim 4, wherein said first clamp block (110) is provided with two said first bosses (115) and three said first grooves (116), and said second clamp block (120) is provided with three said second bosses (125) and two said second grooves (126).

6. A reinforcing bar connecting coupling according to claim 2, wherein the rotation shaft (130) extends in the same direction as the grip opening.

7. A reinforcing bar connecting joint according to any one of claims 1-6, wherein said connecting member comprises the same number of bolts as said first connecting holes (112), one of said first connecting holes (112) and said second connecting holes (122) is a through hole, and the other is a threaded hole, through which said bolt is threadedly engaged with said threaded hole.

8. The reinforcing bar connection joint according to any one of claims 1 to 6, wherein the first clamping block (110) is further provided with at least one first avoiding groove (114), and the first connection hole (112) is formed at the bottom of the first avoiding groove (114);

the second clamping block (120) is further provided with at least one second avoiding groove (124), and the second connecting hole (122) is formed in the groove bottom of the second avoiding groove (124).

9. A joint according to any of claims 1 to 6, wherein a first tooth (111) is provided in the first opening and a second tooth (121) is provided in the second opening.

10. A reinforcing bar coupling process applied to the reinforcing bar coupling joint and the reinforcing bar member (200) according to any one of claims 1 to 9, comprising the steps of:

firstly, sleeving a steel bar connecting joint at the outer side of the splicing position of two steel bar pieces (200);

step two, buckling the first clamping block (110) and the second clamping block (120) to enable the first connecting hole (112) and the second connecting hole (122) to be coaxially communicated;

and thirdly, the connecting piece penetrates through the first connecting hole (112) and the second connecting hole (122), so that the relative positions of the first clamping block (110) and the second clamping block (120) are fixed.

Technical Field

The invention relates to the technical field of steel bar connection, in particular to a steel bar connection joint and a steel bar connection process.

Background

In the production field of buildings and the like, metal wires are often required to be connected, and for example, the problem of interconnection between steel bars is often encountered in building construction. The welding method is generally adopted on a construction site, the end parts of two adjacent steel bars are welded and fixed together, welding equipment is needed during welding, the construction site is often operated at high altitude and is limited by the space of the construction site, the difficulty in using the welding equipment is high, huge potential safety hazards exist, a large amount of energy is consumed for welding, and the environment is greatly polluted; moreover, the welded interface is not firm enough, and is easy to rust and open the weld.

In recent years, sleeves are often used for connecting steel bars, and the steel bars are in threaded butt joint on site by machining threads at the ends of the steel bars in advance. However, the steel bars are large in diameter and long in length, so that the butt joint operation is laborious, and the labor productivity is low. And the end face of the reinforcing steel bar is invisible in the connecting process, so that the yield of the reinforcing steel bar cannot be ensured.

Recently, a welding-free steel bar connecting device has appeared, which connects two adjacent steel bar ends by threading through a long nut. The mode technology of threaded connection is complicated, need in advance or on-the-spot threading, use reinforcing bar threading screw thread professional equipment, and this mode still has the potential safety hazard, in addition, because the reinforcing bar is longer, causes the threading operation to waste time and energy, and production efficiency is low, with high costs, has restricted its popularization and application.

Disclosure of Invention

The invention aims to provide a steel bar connecting joint and a steel bar connecting process, which are used for efficiently and accurately completing the attaching operation of end faces of steel bars.

In order to achieve the purpose, the invention adopts the following technical scheme:

a steel bar connecting joint is used for clamping a steel bar piece and comprises a first clamping block and a second clamping block, wherein the first clamping block is provided with a concave first opening, the second clamping block is provided with a concave second opening, the first opening and the second opening are oppositely arranged, one end of the first clamping block is hinged with one end of the second clamping block, the other end of the first clamping block is provided with at least one first connecting hole, and the other end of the second clamping block is provided with second connecting holes the number of which is the same as that of the first connecting holes; when the other end of first grip block with the other end of second grip block contacts, first opening with the concatenation of second opening forms the centre gripping mouth, just first connecting hole with second connecting hole one-to-one and coaxial intercommunication pass through the connecting piece first connecting hole with the second connecting hole, enable first grip block with the relative position of second grip block is fixed.

The steel bar connecting joint further comprises a rotating shaft, one end of the first clamping block and one end of the second clamping block are hinged to each other through the rotating shaft, and the first clamping block and the second clamping block can rotate axially around the rotating shaft.

Furthermore, the first clamping block is provided with at least one first rotating shaft hole, the second clamping block is provided with at least one second rotating shaft hole, and the rotating shaft penetrates through all the first rotating shaft holes and all the second rotating shaft holes simultaneously.

Furthermore, one end of the first clamping block is provided with at least one first boss and at least one first groove, the first bosses and the first grooves are alternately arranged, and the first rotating shaft hole penetrates through the first bosses; one end of the second clamping block is provided with at least one second boss and at least one second groove, the second bosses and the second grooves are alternately arranged, and the second rotating shaft hole penetrates through the second bosses; the first boss is matched with the second groove, and the second boss is matched with the first groove.

Still further, the first grip block is equipped with two first boss and three first recess, the second grip block is equipped with three second boss and two the second recess.

Preferably, the extending direction of the rotating shaft is the same as the extending direction of the clamping opening.

Preferably, the connecting piece comprises bolts with the same number as the first connecting holes, one of the first connecting holes and the second connecting holes is a through hole, the other one of the first connecting holes and the second connecting holes is a threaded hole, and the bolts penetrate through the through holes and are in threaded connection with the threaded holes.

Preferably, the first clamping block is further provided with at least one first avoidance groove, the first connection hole is formed in the bottom of the first avoidance groove, and the extending direction of the first avoidance groove is the same as the extending direction of the first connection hole; the second grip block still is equipped with at least one second and dodges the groove, the second connecting hole is located the groove bottom in groove is dodged to the second, just the second dodge the extending direction in groove with the extending direction of second connecting hole is the same.

Preferably, a first tooth is arranged in the first opening, and a second tooth is arranged in the second opening.

A steel bar connecting process is applied to the steel bar connecting joint and the steel bar piece, and comprises the following steps:

step one, sleeving a steel bar connecting joint at the outer side of the splicing position of two steel bar pieces;

step two, buckling the first clamping block and the second clamping block to enable the first connecting hole and the second connecting hole to be coaxially communicated;

and thirdly, enabling the connecting piece to penetrate through the first connecting hole and the second connecting hole, and fixing the relative positions of the first clamping block and the second clamping block.

The invention has the beneficial effects that:

the first clamping block and the second clamping block are hinged, and can clamp the reinforcing steel bar piece in a manner of tightening the opening; the first clamping block and the second clamping block are fixed in a mode that the connecting piece penetrates through the first connecting hole and the second connecting hole, and the stable connection of the first clamping block and the second clamping block can be guaranteed while the space occupied by the steel bar connecting joint is reduced. The steel bar connecting joint is sleeved on the outer sides of the two steel bar pieces in a fastening mode, so that the end faces of the joints of the steel bar pieces can be tightly attached, the strength of connection is guaranteed, the difficulty of site construction is reduced, the efficiency and the yield of steel bar connection are improved, and higher benefits are created in a construction site.

Drawings

Fig. 1 is a schematic structural view of a reinforcing bar coupler according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a reinforcing bar coupler and a reinforcing bar member according to an embodiment of the present invention;

fig. 3 is a front view of a reinforcing bar coupler and a reinforcing bar member according to an embodiment of the present invention;

FIG. 4 is a top view of a first clamping block provided by an embodiment of the present invention;

FIG. 5 is a bottom view of a first clamping block provided by an embodiment of the present invention;

FIG. 6 is a bottom view of a second clamping block provided by an embodiment of the present invention;

FIG. 7 is a top view of a second clamping block provided by an embodiment of the present invention;

fig. 8 is a flowchart illustrating a first reinforcing bar coupling process according to an embodiment of the present invention;

fig. 9 is a flowchart of a second reinforcing bar connecting process according to an embodiment of the present invention.

In the figure:

100. connecting the steel bars with joints;

110. a first clamping block; 111. a first tooth; 112. a first connection hole; 113. a first spindle hole; 114. a first avoidance slot; 115. a first boss; 116. a first groove;

120. a second clamping block; 121. a second tooth; 122. a second connection hole; 123. a second spindle hole; 124. a second avoidance slot; 125. a second boss; 126. a second groove;

130. a rotating shaft; 200. a piece of rebar.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 7, the present embodiment provides a reinforcing bar coupler 100 for clamping a reinforcing bar member 200. The steel bar connecting joint 100 comprises a first clamping block 110 and a second clamping block 120, wherein the first clamping block 110 and the second clamping block 120 are both arc-shaped, the first clamping block 110 is provided with an inwards concave first opening, the second clamping block 120 is provided with an inwards concave second opening, the first opening and the second opening are oppositely arranged, one end of the first clamping block 110 is hinged with one end of the second clamping block 120, the other end of the first clamping block 110 is provided with at least one first connecting hole 112, and the other end of the second clamping block 120 is provided with second connecting holes 122 with the same number as the first connecting holes 112; when the other end of the first clamping block 110 contacts with the other end of the second clamping block 120, the first opening and the second opening are spliced to form a clamping opening, the first connecting holes 112 and the second connecting holes 122 are in one-to-one correspondence and coaxially communicated, and the relative positions of the first clamping block 110 and the second clamping block 120 are fixed by the connecting piece penetrating through the first connecting holes 112 and the second connecting holes 122.

The first clamping block 110 is hinged with the second clamping block 120, and the first clamping block and the second clamping block can clamp the reinforcing steel bar piece 200 in a tightening opening mode; the first clamping block 110 and the second clamping block 120 are fixed by selecting a mode that the connecting piece penetrates through the first connecting hole 112 and the second connecting hole 122, so that the space occupied by the steel bar connecting joint 100 is reduced, and the stable connection of the first clamping block and the second clamping block can be ensured. The steel bar connecting joint 100 is sleeved on the outer sides of the two steel bar pieces 200 in a fastening mode, so that the end faces of the joints of the steel bar pieces 200 can be tightly attached, the connecting strength is ensured, the difficulty of site construction is reduced, the efficiency and the yield of steel bar connection are improved, and the construction site is facilitated to create higher benefits. Specifically, the first connection hole 112 is provided in two.

In this embodiment, the reinforcing bar coupler 100 further includes a rotating shaft 130, one end of the first clamping block 110 and one end of the second clamping block 120 are hinged by the rotating shaft 130, and both the first clamping block 110 and the second clamping block 120 can rotate around the axial direction of the rotating shaft 130. The rotation directions of the first clamping block 110 and the second clamping block 120 are limited by the arrangement of the rotating shaft 130, the rotation flexibility of the first clamping block and the second clamping block is improved, the risk of position deviation is reduced, the steel bar connecting joint 100 can be accurately applied to the operation of steel bar connection, and therefore the yield of the steel bar connection is further improved.

Further, the first clamping block 110 has at least one first rotating shaft hole 113, the second clamping block 120 has at least one second rotating shaft hole 123, and the rotating shaft 130 passes through all the first rotating shaft holes 113 and all the second rotating shaft holes 123. The arrangement of the first rotating shaft hole 113 and the second rotating shaft hole 123 ensures the connection effect of the first clamping block 110 and the second clamping block 120 with the rotating shaft 130, reduces the risk that the first clamping block 110 or the second clamping block 120 is separated from the rotating shaft 130, and ensures the working stability of the steel bar connecting joint 100. Specifically, the inner sidewalls of the first and second spindle holes 113 and 123 are both attached to the outer sidewall of the spindle 130, so that the first and second clamping blocks 110 and 120 are rotatably connected to the spindle 130, respectively.

Still further, one end of the first clamping block 110 is provided with at least one first boss 115 and at least one first groove 116, the first boss 115 and the first groove 116 are alternately arranged, and the first rotating shaft hole 113 penetrates through the first boss 115; one end of the second clamping block 120 is provided with at least one second boss 125 and at least one second groove 126, the second boss 125 and the second groove 126 are alternately arranged, and the second rotating shaft hole 123 penetrates through the second boss 125; the first boss 115 is fitted with the second groove 126, and the second boss 125 is fitted with the first groove 116. Above-mentioned setting is through the cooperation of boss with the recess, not only can realize the coaxial intercommunication in first pivot hole 113 and second pivot hole 123, has still greatly simplified the structure of first grip block 110 with second grip block 120, has reduced the space that steel bar connection connects 100 occupy for steel bar connection connects 100 small and exquisite light, the application of being convenient for. Specifically, the first boss 115 and the second boss 125 are both circular arc-shaped bosses, and the first groove 116 and the second groove 126 are both circular arc-shaped grooves. The structure further reduces the space occupied by the boss and the groove.

Preferably, the first clamping block 110 is provided with two first bosses 115 and three first grooves 116, and the second clamping block 120 is provided with three second bosses 125 and two second grooves 126.

Specifically, the edges of the first clamping block 110 and the second clamping block 120 are provided with rounded corners, and the arrangement of the rounded corners reduces the risk of injury of an operator in the process of applying the steel bar connecting joint 100, thereby improving the safety of the application environment.

In this embodiment, the extending direction of the rotating shaft 130 is the same as the extending direction of the clamping opening. The two first connection holes 112 are arranged side by side along the extending direction of the clamping opening. The arrangement that the extending direction of the rotating shaft 130 is the same as the extending direction of the clamping opening simplifies the structure of the steel bar connecting joint 100, improves the stress effect of the steel bar connecting joint 100, and enables the steel bar connecting joint 100 to be more widely applied to different construction sites.

Preferably, the connector includes bolts having the same number as the first connection holes 112, one of the first connection holes 112 and the second connection holes 122 is a through hole, and the other is a screw hole, and the bolts are screwed through the through holes and the screw holes. The connecting effect of the bolt and the connecting hole is guaranteed by the arrangement, the connection is stable, the production cost is low, the processing is convenient, and the efficiency and the yield of the steel bar connection operation are improved.

Specifically, an avoiding chamfer is arranged on one side of the first connecting hole 112, which is far away from the second connecting hole 122; the second connection hole 122 is provided with an avoiding chamfer on the side away from the first connection hole 112.

In other embodiments of the present embodiment, the connecting member further includes a nut screwed on a portion of the bolt extending out of the second connecting hole 122.

In this embodiment, the first clamping block 110 is further provided with at least one first avoiding groove 114, the first connection hole 112 is disposed at the bottom of the first avoiding groove 114, and the extending direction of the first avoiding groove 114 is the same as the extending direction of the first connection hole 112; the second clamping block 120 is further provided with at least one second avoiding groove 124, the second connecting hole 122 is arranged at the bottom of the second avoiding groove 124, and the extending direction of the second avoiding groove 124 is the same as the extending direction of the second connecting hole 122. The arrangement of the first avoiding groove 114 and the second avoiding groove 124 is such that the connection of the bolt in the connecting hole avoids a space, thereby further improving the efficiency of the connecting operation and the connecting effect.

Preferably, the first opening is provided with a first tooth 111, and the second opening is provided with a second tooth 121. First tooth 111 and second tooth 121 can lean on in the outside of reinforcing bar piece 200 to guaranteed the fixed effect to reinforcing bar piece 200, reduced the risk that reinforcing bar piece 200 slipped.

The embodiment further provides a steel bar connecting process, which is applied to the steel bar connecting joint 100 and the steel bar piece 200, and comprises the following steps:

firstly, sleeving a steel bar connecting joint 100 on the outer side of the splicing position of two steel bar pieces 200;

step two, buckling the first clamping block 110 and the second clamping block 120 to enable the first connecting hole 112 and the second connecting hole 122 to be coaxially communicated;

and step three, passing the connecting piece through the first connecting hole 112 and the second connecting hole 122, so that the relative positions of the first clamping block 110 and the second clamping block 120 are fixed.

Specifically, as shown in fig. 8, the first step may include: moving the two reinforcing steel bar pieces 200 to enable the ends of the two reinforcing steel bar pieces 200 to be spliced to be positioned on the opening of the second clamping block 120; so that the end faces of the two reinforcing steel bar pieces 200 to be spliced are spliced. Alternatively, as shown in fig. 9, the first step may also include: splicing the end surfaces of the two steel bar pieces 200; and then the reinforcing bar coupler 100 is fitted to the outside of the contact position of the two reinforcing bar elements 200.

Further, after the third step, the method further comprises a fourth step of: pulling the two reinforcing bars 200, taking out the coupler if the reinforcing bar coupler 100 is separated from the reinforcing bars 200, and then returning to the first step, otherwise, completing the reinforcing bar coupling operation.

By utilizing the process, the process steps of the steel bar connecting operation can be effectively simplified, so that the working period is shortened, and the production cost is reduced. The step of pulling two pieces of rebar 200 checks the effect of the connection, and the yield of the rebar connection operation can be greatly improved in a mode of reconnecting the unqualified connection structure.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.