阅读说明：本技术 一种土木工程用钢棒群快速连接固定组件 (Rod iron crowd high-speed joint fixes subassembly for civil engineering ) 是由 孙猛 岳丰田 陆路 张勇 石荣剑 高涛 魏京胜 吴学慧 于 2021-01-06 设计创作，主要内容包括：本发明公开了一种土木工程用钢棒群快速连接固定组件,涉及土木工程技术领域。本发明包括固定套、连接套和连接件；轴向相邻的两个钢棒端部均连接固定套,且两个固定套成相对设置；两个固定套通过连接套连接；水平方向相邻的固定套通过连接件相互连接。本发明通过圆台柱内的锁紧块实现对钢棒的自锁锁紧,实现两个轴向相邻钢棒的快速连接,并利用连接件将水平方向相邻的连接套进行连接,实现了钢棒群的快速连接,有效的提高了钢棒的连接效率；并且使得钢棒的连接精度得到提高,使得钢棒群整体的连接精度得到保证,有利于提高整体的施工质量。(The invention discloses a rapid connecting and fixing assembly for a steel bar group for civil engineering, and relates to the technical field of civil engineering. The invention comprises a fixed sleeve, a connecting sleeve and a connecting piece; the end parts of two axially adjacent steel bars are connected with the fixed sleeves, and the two fixed sleeves are oppositely arranged; the two fixed sleeves are connected through a connecting sleeve; the fixing sleeves adjacent in the horizontal direction are connected with each other through a connecting piece. According to the invention, the self-locking of the steel bars is realized through the locking blocks in the circular table columns, the quick connection of two axially adjacent steel bars is realized, and the connecting sleeves adjacent in the horizontal direction are connected by using the connecting piece, so that the quick connection of the steel bar groups is realized, and the connection efficiency of the steel bars is effectively improved; and the connection precision of the steel bars is improved, so that the integral connection precision of the steel bar group is ensured, and the integral construction quality is improved.)

1. The utility model provides a subassembly is fixed to bar iron crowd high-speed joint for civil engineering which characterized in that: comprises a fixed sleeve (1), a connecting sleeve (2) and a connecting piece (3); the end parts of two axially adjacent steel bars are connected with the fixed sleeves (1), and the two fixed sleeves (1) are oppositely arranged; the two fixing sleeves (1) are connected through a connecting sleeve (2); the fixing sleeves (1) adjacent in the horizontal direction are connected with each other through a connecting piece (3);

the outer wall of the fixed sleeve (1) is provided with external threads; one end of the fixed sleeve (1) is provided with a mounting hole (101); the inner bottom surface of the mounting hole (101) is provided with an inverted circular truncated cone hole (102); the inner bottom surface of the inverted circular truncated cone hole (102) is provided with a through hole (103) for a steel bar to pass through;

a circular truncated cone column (4) is in clearance fit in the circular truncated cone hole (102); the circular table column (4) is provided with a through hole (401) for the steel bar to pass through; a plurality of straight notches (402) are formed in the side wall of the through hole (401); a locking block (403) is matched in the straight notch (402); one side of the locking block (403) is attached to the inner wall of the inverted circular truncated cone hole (102); the lower surface of the locking block (403) positioned inside the circular table column (4) is provided with a chamfer (404);

a spring (405) is arranged between the two opposite fixed sleeves (1); the lower end of the spring (405) is abutted against the end face of the circular table column (4) in the fixed sleeve (1), and the upper end of the spring is abutted against the end face of the circular table column (4) in the other fixed sleeve (1);

the inner wall of the connecting sleeve (2) is provided with internal threads and is matched with the external threads of the two fixing sleeves (1) at the same time, so that the two fixing sleeves (1) are connected; the outer wall of the connecting sleeve (2) is provided with a plurality of connecting grooves (201); the outer wall of the connecting sleeve (2) is fixedly connected with a fixing ring (202);

the two ends of the connecting piece (3) are provided with plug pins (301) matched with the connecting grooves (201), and axial position limitation is realized through the fixing rings (202).

2. The quick connection and fixation assembly for the steel bar group for civil engineering as claimed in claim 1, characterized in that the upper surface of the circular column (4) is provided with a backing ring (406); the upper surface of the backing ring (406) is fixedly connected with a positioning sleeve (407); the end part of the spring (405) is sleeved outside the positioning sleeve (407) and used for limiting the position of the spring (405).

3. The quick connection and fixation assembly for the steel bar group for civil engineering as claimed in claim 1 or 2, characterized in that the side wall of the circular column (4) is provided with a plurality of notches; an eccentric wheel (408) is rotatably connected in the notch.

4. The quick connection and fixation assembly for the steel bar group for civil engineering as claimed in claim 1 or 2, characterized in that one side of the locking block (403) inside the circular column (4) is of an arc-shaped surface structure.

5. The quick connecting and fixing assembly for the steel bar group for civil engineering as claimed in claim 4, wherein the locking blocks (403) are provided with anti-slip grooves (409) uniformly distributed on one side surface inside the circular column (4).

6. A civil engineering steel bar group quick connect fixing assembly according to claim 1 or 2 or 5, characterized in that a plurality of said rebates (402) are distributed in a circumferential array; the inner top surface of the straight notch (402) is of an arc-shaped surface structure.

7. The quick connection and fixation assembly for the steel bar group for civil engineering as claimed in claim 1, wherein the connection groove (201) is a dovetail groove; the number of the connecting grooves (201) is eight, and the connecting grooves are distributed along the circumference of the outer wall of the connecting sleeve (2) in an array mode.

8. The quick connection and fixation assembly for the steel bar group for civil engineering as claimed in claim 1 or 2 or 5 or 7, wherein the end surface of the fixation sleeve (1) at one end of the mounting hole (101) is fixedly connected with a plurality of positioning blocks (104) and provided with a plurality of positioning grooves (105);

the positioning blocks (104) and the positioning grooves (105) are distributed in a circumferential array and are arranged at intervals; the positioning block (104) of one fixing sleeve (1) is matched with the positioning groove (105) of the other fixing sleeve (1).

Technical Field

The invention belongs to the technical field of civil engineering, and particularly relates to a rapid connecting and fixing assembly for a steel bar group for civil engineering.

Background

With the development of national economy, the number of super high-rise buildings is increasing day by day, and the super high-rise buildings have more building forms. In order to reduce the using amount of the super high-rise steel structure and reduce the construction cost, a novel cylinder-in-cylinder structural form is researched. The stiff concrete column with the cylinder-in-cylinder structure adopts a mode that a plurality of steel bars are arranged in concrete, and only bears pressure in a stress process. As a vertical main stress component of the super-high layer, the connection of steel bars becomes a key point of quality control, and the generated novel connection method and construction process play a key role in the structural safety of the super-high layer.

With the increasing number of super high-rise buildings in recent years, the existing super high-rise buildings usually adopt a cylinder-in-cylinder structural form. The cylinder-in-cylinder structure adopts a form that a plurality of steel rods are arranged in concrete, a steel rod group is used as a vertical main stress component, and the connection mode and the strength of the steel rod group are key points of engineering quality.

When current rod iron is connected, welded connection can't be carried out to the rod iron inboard to the straightness that hangs down of rod iron is difficult to guarantee during the construction, and the connection process is consuming time hard, and the connection efficiency of rod iron is low, seriously influences the efficiency of construction.

Therefore, the existing steel bar connection form needs to be improved, so that the quick connection between the steel bars and the connection precision between the steel bars are realized, and the overall construction quality is ensured.

Disclosure of Invention

The invention aims to provide a steel bar group quick connection fixing assembly for civil engineering, which is characterized in that two fixing sleeves are connected through a connecting sleeve, a steel bar is connected with the fixing sleeves to realize the connection of two axially adjacent steel bars, and the connecting sleeves adjacent in the horizontal direction are connected through a connecting piece to realize the quick connection of the steel bar group and solve the problems of poor connection efficiency and connection precision of the existing steel bars.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a steel bar group quick connection fixing component for civil engineering, which comprises a fixing sleeve, a connecting sleeve and a connecting piece, wherein the fixing sleeve is fixedly connected with the connecting sleeve; the end parts of two axially adjacent steel bars are connected with the fixed sleeves, and the two fixed sleeves are oppositely arranged; the two fixing sleeves are connected through a connecting sleeve; the fixing sleeves adjacent in the horizontal direction are connected with each other through a connecting piece; the outer wall of the fixed sleeve is provided with external threads; one end of the fixed sleeve is provided with a mounting hole; the inner bottom surface of the mounting hole is provided with an inverted frustum hole; the inner bottom surface of the inverted circular truncated cone hole is provided with a through hole for a steel bar to pass through;

a circular truncated cone column is in clearance fit in the inverted circular truncated cone hole; the circular table column is provided with a through hole for the steel bar to pass through; a plurality of straight notches are formed in the side wall of the through hole; a locking block is matched in the straight notch; one side of the locking block is attached to the inner wall of the inverted circular truncated cone hole; the lower surface of the locking block, which is positioned in the circular table column, is provided with a chamfer; a spring is arranged between the two fixing sleeves which are oppositely arranged; the lower end of the spring abuts against the end face of the circular truncated cone column in the fixed sleeve, and the upper end of the spring abuts against the end face of the circular truncated cone column in the other fixed sleeve;

the inner wall of the connecting sleeve is provided with internal threads which are matched with the external threads of the two fixing sleeves simultaneously, so that the two fixing sleeves are connected; the outer wall of the connecting sleeve is provided with a plurality of connecting grooves; the outer wall of the connecting sleeve is fixedly connected with a fixing ring; the both ends of connecting piece all are provided with spread groove complex latch post to realize through solid fixed ring that axial position is injectd.

Furthermore, a backing ring is arranged on the upper surface of the circular truncated cone column; the upper surface of the backing ring is fixedly connected with a positioning sleeve; the end part of the spring is sleeved outside the positioning sleeve and used for limiting the position of the spring.

Furthermore, a plurality of notches are formed in the side wall of the circular table column; an eccentric wheel is rotationally connected in the notch.

Furthermore, one side surface of the locking block, which is positioned inside the circular table column, is of an arc-shaped surface structure.

Furthermore, the side that the latch segment is located inside the round platform post equipartition has seted up anti-skidding groove.

Furthermore, a plurality of the straight notches are distributed in a circumferential array; the inner top surface of the straight notch is of an arc-shaped surface structure.

Furthermore, the connecting groove is a dovetail groove; the number of the connecting grooves is eight, and the connecting grooves are distributed along the circumference of the outer wall of the connecting sleeve in an array mode.

Furthermore, the end face of the fixed sleeve, which is positioned at one end of the mounting hole, is fixedly connected with a plurality of positioning blocks and is provided with a plurality of positioning grooves; the positioning blocks and the positioning grooves are distributed in a circumferential array and are arranged at intervals; the positioning block of one fixing sleeve is matched with the positioning groove of the other fixing sleeve.

The invention has the following beneficial effects:

according to the invention, the two fixing sleeves are connected through the connecting sleeves, the steel bar is connected with the fixing sleeves, the self-locking of the steel bar is realized through the locking blocks in the circular table columns, the quick connection of two axially adjacent steel bars is realized, the connecting sleeves adjacent in the horizontal direction are connected through the connecting pieces, the quick connection of steel bar groups is realized, and the connecting efficiency of the steel bars is effectively improved.

Meanwhile, the connection precision of the steel bars is improved, the overall connection precision of the steel bar group is guaranteed, and the overall construction quality is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a quick connection and fixation assembly for a steel bar group for civil engineering according to the present invention;

fig. 2 is a schematic structural view of the fixing sleeve and the connecting sleeve;

FIG. 3 is a top view of the structure of FIG. 2;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

fig. 5 is an exploded view of the structure of the pouch;

FIG. 6 is a schematic structural view of a circular pillar;

FIG. 7 is a schematic view of the locking block;

FIG. 8 is a schematic structural view of a connector;

in the drawings, the components represented by the respective reference numerals are listed below:

1-fixing sleeve, 2-connecting sleeve, 3-connecting piece, 4-circular truncated cone, 5-, 101-mounting hole, 102-inverted circular truncated cone hole, 103-through hole, 104-positioning block, 105-positioning groove, 201-connecting groove, 202-fixing ring, 301-pin column, 401-through hole, 402-straight groove opening, 403-locking block, 404-chamfer, 405-spring, 406-backing ring, 407-positioning sleeve, 408-eccentric wheel and 409-antiskid groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Examples

As shown in figure 1, the invention relates to a steel bar group fast connecting and fixing component for civil engineering, which comprises a fixing sleeve 1, a connecting sleeve 2 and a connecting piece 3; the end parts of two axially adjacent steel bars are connected with the fixed sleeves 1, and the two fixed sleeves 1 are oppositely arranged; the two fixed sleeves 1 are connected through a connecting sleeve 2; the horizontally adjacent fixing sleeves 1 are connected to each other by means of connecting pieces 3.

As shown in fig. 2-5, the outer wall of the fixing sleeve 1 is provided with external threads; one end of the fixed sleeve 1 is provided with a mounting hole 101; the inner bottom surface of the mounting hole 101 is provided with an inverted circular truncated cone hole 102; the inner bottom surface of the inverted circular truncated cone hole 102 is provided with a through hole 103 for the steel bar to pass through.

As shown in fig. 6, the round frustum hole 102 is in clearance fit with the round frustum column 4; the circular table column 4 is provided with a through hole 401 for the steel bar to pass through; three to six straight notches 402 are formed in the side wall of the through hole 401; three to six straight notches 402 are distributed in a circumferential array along the inner wall of the through hole 401; the inner top surface of the straight notch 402 is an arc-shaped surface structure.

A locking block 403 is fitted in the straight notch 402; one side of the locking block 403 is attached to the inner wall of the inverted circular truncated cone hole 102; the lower surface of the locking block 403 inside the circular table column 4 is provided with a chamfer 404.

A spring 405 is arranged between the two opposite fixed sleeves 1; the lower end of the spring 405 is abutted against the end surface of the circular truncated cone column 4 in the fixed sleeve 1, and the upper end of the spring is abutted against the end surface of the circular truncated cone column 4 in the other fixed sleeve 1. Wherein, the upper surface of the round table column 4 is provided with a backing ring 406; the upper surface of the backing ring 406 is welded or punched with a positioning sleeve 407; the end of the spring 405 is sleeved outside the positioning sleeve 407 for limiting the position of the spring 405.

The inner wall of the connecting sleeve 2 is provided with internal threads which are matched with the external threads of the two fixing sleeves 1 simultaneously, so that the two fixing sleeves 1 are connected; the outer wall of the connecting sleeve 2 is provided with a plurality of connecting grooves 201; the outer wall of the connecting sleeve 2 is fixedly connected with a fixing ring 202, wherein the connecting groove 201 is a dovetail groove; the number of the connecting grooves 201 is eight, and the connecting grooves are distributed along the circumference of the outer wall of the connecting sleeve 2 in an array manner.

When the connecting sleeve is used, one fixing sleeve 1 can be in threaded connection with the connecting sleeve 2, and the other fixing sleeve 1 is in threaded connection with the other end of the connecting sleeve 2, so that the connecting sleeve 2 is used for connecting the two fixing sleeves 1.

Or after the two fixing sleeves 1 are oppositely arranged, the two fixing sleeves 1 are connected through screwing the connecting sleeve 2. Meanwhile, the end face of the fixed sleeve 1 at one end of the mounting hole 101 is fixedly connected with two to four positioning blocks 104 and provided with two to four positioning grooves 105, and the positioning blocks 104 and the positioning grooves 105 are distributed in a circumferential array and are arranged at intervals; the positioning block 104 of one fixing sleeve 1 is matched with the positioning groove 105 of the other fixing sleeve 1, so that the relative positions of the two fixing sleeves 1 are limited, and the structural stability of the whole is improved.

And the mounting holes 101 of the two fixing covers 1 are opposite and internally provided with springs 405. So that the spring 405 presses the circular truncated cone 4 towards the through hole 103, and the locking block 403 slides towards the through hole 401 along the radial direction under the action of the inner wall of the inverted circular truncated cone hole 102.

The rod iron is inserted by through-hole 103, and offset with chamfer 404, when continuing to insert again, will drive round platform post 4 and slide towards mounting hole 101, the clearance increase between round platform post 4 and the 102 inner walls of radius platform hole this moment, latch segment 403 is along radially keeping away from through-hole 401 direction and sliding, thereby make the rod iron insert in the through-hole 401, and under the effect of the spring 405 to the pushing down of round platform post 4, thereby latch segment 403 presss from both sides tight rod iron and makes the rod iron can't be taken out by in the through-hole 401, thereby realize the connection of rod iron fixed.

And, the latch segment 403 is located the inside side of round platform post 4 and is the arcwall face structure to keep laminating with the rod iron surface better, simultaneously, the antiskid groove 409 has been seted up to the side equipartition that latch segment 403 is located round platform post 4 inside, improves the tight effect of clamp to the rod iron.

During the use, also will fix the end connection of cover 1 with the rod iron earlier, will connect two fixed covers 1 through adapter sleeve 1 for adapter sleeve 1 realizes the trend of drawing two fixed covers 2 each other close, thereby makes latch segment 403 can lock the rod iron, makes two rod irons connect more reliably, and holistic structural strength obtains improving.

Further, two notches are formed in the side wall of the circular truncated cone column 4, and the two notches are symmetrically arranged; the eccentric wheel 408 is rotatably connected in the groove opening, the eccentric wheel 408 enables the steel bar to pass through smoothly when being inserted, and when the steel bar moves out of the through hole 103, the surface of the steel bar drives the eccentric wheel 408 to rotate, so that the surface of the eccentric wheel 408 extrudes and clamps the steel bar, the steel bar drives the circular table column 4 to move, the locking action of the locking block 403 is guaranteed, and the whole reliability is improved.

As shown in fig. 1, both ends of the connecting member 3 are provided with latch posts 301 engaged with the connecting grooves 201, and axial position limitation is achieved by the fixing rings 202. The back is connected through fixed cover 1 and adapter sleeve 2 to the rod iron that the axial links to each other, insert two adapter sleeve 2's spread groove 201 respectively through the bolt post 301 with the 3 both ends of connecting piece, make the adjacent rod iron of horizontal direction realize connecting, and, connecting piece 3 can set up different length, make the whole column distribution of rod iron crowd rectangle connect the back, through the longer connecting piece 3 of length, connect two adapter sleeves 2 of rectangle diagonal position of locating, thereby make holistic structural stability and structural strength obtain improving, be favorable to guaranteeing holistic construction quality.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.