CN212613399U

CN212613399U - Channel steel formula pier nose steel bar connection structure

Info

Publication number: CN212613399U
Application number: CN202021276039.3U
Authority: CN
Inventors: 祝明桥; 祝明耀; 吴致远; 刘万里
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-26
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a channel steel formula pier nose steel bar connection structure. The steel bar comprises a stressed steel bar embedded in a prefabricated member, wherein one end of the stressed steel bar is exposed outside the member, a section of channel steel is welded outside the exposed end of the stressed steel bar, and two legs of the channel steel are symmetrically reserved with grooves; it also comprises pier head steel bars and adjusting nuts; the pier head steel bar is a steel bar with one end welded with a cuboid pier head and the other end externally processed with right-handed threads, the cross-sectional area of the pier head steel bar is larger than that of the stressed steel bar, the thickness of the pier head is smaller than the width of the upper grooves of the two legs of the stressed steel bar channel, and the length of the pier head is larger than that of the two legs of the stressed steel bar channel; the internal thread of adjusting nut and the outside screw-thread fit in pier nose reinforcing bar one end, and adjusting nut both ends internal thread is dextrorotation to the middle part simultaneously. The utility model discloses the wholeness is good, connect convenient, safe and reliable, simple structure, can solve construction difficulty, installation complicacy, construction loaded down with trivial details, construction cycle length, connection insecure, the not high scheduling problem of stability effectively.

Description

Channel steel formula pier nose steel bar connection structure

Technical Field

The utility model belongs to the technical field of the assembly type building engineering, concretely relates to channel-section steel formula pier nose steel bar connection structure.

Background

In the past decades, the building industry in China is developed vigorously, and prefabricated building structures are produced at the same time. A series of building structure systems are implemented, and a batch of assembly type construction projects are built in part of the region. However, the assembled construction in China is slow to develop due to various influences. At the present stage, due to the implementation of national policies and the development of technologies, the proportion of the assembly type building in the field of buildings is getting larger and larger, and the assembly type building is widely applied to many cities and regions in China.

At present, in the prior art, the connecting structure used for the assembly type construction is complex and high in cost, and supporting systems such as scaffolds need to be erected on a construction site, so that the construction difficulty is high. Therefore, a convenient, efficient and reliable steel bar connection mode needs to be provided.

Disclosure of Invention

An object of the utility model is to the above-mentioned defect that exists among the prior art, provide a channel-section steel formula pier nose steel bar connection structure through prefabricated component concatenation, its wholeness is good, connect convenient, safe and reliable, simple structure, can solve construction difficulty, installation complicacy, construction loaded down with trivial details, construction cycle length, connect insecure, stability scheduling problem not high effectively.

The purpose of the utility model is realized through the following technical scheme: the channel steel type pier head steel bar connecting structure comprises a stressed steel bar which is pre-embedded in a prefabricated component, wherein one end of the stressed steel bar is exposed out of the component, a section of channel steel is welded outside the exposed end of the stressed steel bar, and two legs of the channel steel are symmetrically reserved with grooves; it also comprises pier head steel bars and adjusting nuts; the pier head steel bar is a steel bar with one end welded with a cuboid pier head and the other end externally processed with right-handed threads, the cross-sectional area of the pier head steel bar is larger than that of the stressed steel bar, the thickness of the pier head is smaller than the width of the upper grooves of the two legs of the stressed steel bar channel, and the length of the pier head is larger than that of the two legs of the stressed steel bar channel; the inner threads of the adjusting nut are matched with the outer threads of one end of the pier head reinforcing steel bar, and the inner threads of the two ends of the adjusting nut rotate rightwards to the middle part simultaneously; when two prefabricated components are connected, insert the interior and the channel-section steel realization of atress reinforcing bar channel-section steel reservation inslot through the pier nose of pier nose reinforcing bar respectively and be connected, outside screw thread and the adjusting nut threaded connection of the non-pier head end of rethread pier nose reinforcing bar.

Specifically, the groove edges of the grooves on the two legs of the channel steel incline towards the inner side of the stressed steel bar and form an included angle of 5-8 degrees with the vertical line of the axis of the stressed steel bar; the broadside line of pier nose inclines to pier nose reinforcing bar outside, is 5 degrees to 8 degrees contained angles with the perpendicular line of pier nose reinforcing bar axis.

Specifically, the cross-sectional area of pier nose reinforcing bar is twice of atress reinforcing bar.

The utility model discloses be applied to assembled frame concrete building connected node, make the assembled structure reach "equal cast-in-place" requirement, its connection structure is simple, and overall stability is high, can satisfy high-efficient and reliable two requirements simultaneously to the adaptation assembled integration is built.

Drawings

Fig. 1 is a schematic view of the whole three-dimensional structure of the present invention when applied to the connection of members.

Fig. 2 is the three-dimensional structure schematic diagram of the stressed steel bar of the present invention.

Fig. 3 is the three-dimensional structure schematic diagram of the pier head reinforcing steel bar of the utility model.

Fig. 4 is a schematic perspective view of the adjusting nut of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, the channel-section steel pier head steel bar connection structure of this embodiment includes the stress steel bar 1 pre-buried in the prefabricated component, and one end (i.e. the link) of the stress steel bar 1 is exposed outside the component, and the outside welding of the exposed one end (i.e. the link) of the stress steel bar 1 has a section of channel-section steel 11, and the fluting 12 is reserved to the symmetry on two legs of channel-section steel 11. The device also comprises pier head steel bars 2 and adjusting nuts 3; the pier head reinforcing steel bar 2 is a reinforcing steel bar with one end part welded with a cuboid pier head 21 and the other end part processed with a right-handed thread 22, and the cross-sectional area of the pier head reinforcing steel bar 2 is larger than that of the stressed reinforcing steel bar 1 and is twice of that of the stressed reinforcing steel bar; the thickness of pier head 21 is less than the width of 11 both legs upper groove 12 of atress reinforcing bar 1 channel-section steel, and the length of pier head 21 is greater than the width of 11 both legs of atress reinforcing bar 1 channel-section steel. The internal thread 31 of the adjusting nut 3 is matched with the external thread 22 at one end of the pier steel bar 2, and the internal threads 31 at two ends of the adjusting nut 3 rotate rightwards to the middle part; the length of adjusting nut is about 50mm, and specific length can increase or shorten according to the design needs. When being applied to two prefabricated component's connection, insert in 11 preformed groove 12 of stress reinforcing bar 1 channel-section steel through pier nose 21 of pier nose reinforcing bar 2 respectively and realize being connected with channel-section steel 11, the external thread 22 of the non-pier head end of rethread pier nose reinforcing bar 2 and adjusting nut 3's internal thread 31 threaded connection, adjusting nut 3 is used for offsetting the axial length error that produces when the assembly or during the prefabricated component of mill.

In order to prevent the pier head reinforcing steel bar 2 from easily sliding out of the channel steel bar 11, the groove edges of the grooves 12 on the two legs of the channel steel bar 11 are inclined towards the inner side of the stressed reinforcing steel bar 1 and form an included angle of 5-8 degrees with the vertical line of the axis of the stressed reinforcing steel bar 1; the broadside line of pier nose 21 inclines to the outside of pier nose reinforcing bar 2, is 5 degrees to 8 degrees contained angles with the perpendicular line of pier nose reinforcing bar 2 axis.

Claims

1. The utility model provides a channel steel formula pier nose steel bar connection structure which characterized in that: the steel bar reinforced concrete structure comprises a stressed steel bar embedded in a prefabricated component, wherein one end of the stressed steel bar is exposed out of the component, a section of channel steel is welded outside the exposed end of the stressed steel bar, and two legs of the channel steel are symmetrically reserved with grooves; it also comprises pier head steel bars and adjusting nuts; the pier head steel bar is a steel bar with one end welded with a cuboid pier head and the other end externally processed with right-handed threads, the cross-sectional area of the pier head steel bar is larger than that of the stressed steel bar, the thickness of the pier head is smaller than the width of the upper grooves of the two legs of the stressed steel bar channel, and the length of the pier head is larger than that of the two legs of the stressed steel bar channel; the inner threads of the adjusting nut are matched with the outer threads of one end of the pier head reinforcing steel bar, and the inner threads of the two ends of the adjusting nut rotate rightwards to the middle part simultaneously; when two prefabricated components are connected, insert the interior and the channel-section steel realization of atress reinforcing bar channel-section steel reservation inslot through the pier nose of pier nose reinforcing bar respectively and be connected, outside screw thread and the adjusting nut threaded connection of the non-pier head end of rethread pier nose reinforcing bar.

2. The channel steel type pier head steel bar connection structure of claim 1, wherein: the groove edges of the grooves on the two legs of the channel steel incline towards the inner side of the stressed steel bar and form an included angle of 5-8 degrees with the vertical line of the axis of the stressed steel bar; the broadside line of pier nose inclines to pier nose reinforcing bar outside, is 5 degrees to 8 degrees contained angles with the perpendicular line of pier nose reinforcing bar axis.

3. The channel steel type pier head steel bar connection structure of claim 1, wherein: the cross-sectional area of pier nose reinforcing bar is twice of atress reinforcing bar.