CN-224227971-U - Reinforced concrete frame connection structure

Abstract

The utility model relates to a reinforced concrete frame connection structure in the field of frame connection structures, which comprises two first steel bars, wherein cross grooves are formed in the tops of the first steel bars, sleeves are connected to the tops of the first steel bars in a threaded manner, limiting assemblies are fixedly connected to the left side and the right side of each sleeve, a second steel bar is fixedly connected to the top of each sleeve, cross clamping blocks are arranged at the bottoms of the second steel bars, threaded holes are formed in the sleeves and the second steel bars, the sleeves are fixedly connected with the second steel bars through bolts, the tops of the second steel bars are in threaded connection with the sleeves, and steel bars III are connected between the sleeves on two sides in a threaded manner. According to the utility model, through the accurate adaptation of the cross-shaped clamping blocks at the two bottoms of the reinforcing steel bars and the groove at the top of the reinforcing steel bar, the rapid positioning of the connection of the reinforcing steel bars and the matching of the limiting assembly are realized, the sleeve is prevented from being damaged due to collision during transportation, and the construction and transportation effects are improved.

Inventors

• YU ZHENSHAN
• XIE YAOQIANG
• LI WEIPING
• REN BIN
• WANG SHULONG
• ZHANG LEI
• LI YONGCHEN
• Han Yahao
• Sun Zhenbai

Assignees

• 山东中石大工程设计有限公司

Dates

Publication Date

20260512

Application Date

20250519

Claims (8)

1. 1. A reinforced concrete frame connecting structure comprises two first steel bars (1) and is characterized in that cross-shaped grooves are formed in the tops of the first steel bars (1), sleeves first (2) are connected to the tops of the first steel bars (1) through threads, limiting assemblies (6) are fixedly connected to the left side and the right side of each sleeve first (2), second steel bars (3) are fixedly connected to the upper sides of the inner portions of the sleeves first (2), cross-shaped clamping blocks (7) are arranged at the bottoms of the second steel bars (3), threaded holes are formed in the sleeves first (2) and the second steel bars (3), the sleeves first (2) are fixedly connected with the second steel bars (3) through bolts, sleeves second (4) are connected to the top threads of the second steel bars (3), and third steel bars (5) are connected to the two sides of the sleeves between the second sleeves (4) through threads.
2. 2. The reinforced concrete frame connecting structure according to claim 1, wherein the limiting assembly (6) comprises two limiting bases (61) distributed left and right, the rear parts of the limiting bases (61) on the right are fixedly connected to the surface of the first sleeve (2), and limiting blocks (62) are fixedly connected to the front parts of the limiting bases (61) on the right.
3. 3. The reinforced concrete frame connection structure according to claim 2, wherein the rear portion of the left side limit base (61) is fixedly connected to the surface of the first sleeve (2), the front portion of the left side limit base (61) is fixedly connected with two shells (63) which are distributed up and down, and springs (64) are arranged in the two shells (63) which are distributed up and down.
4. 4. The reinforced concrete frame connection structure according to claim 3, wherein two limit balls (65) distributed up and down are fixedly connected to the bottom of the spring (64), and the two limit balls (65) distributed up and down are slidably connected inside the housing (63).
5. 5. The reinforced concrete frame connecting structure according to claim 4, wherein circular grooves distributed up and down are formed in the surface of the limiting block (62), and the size of the limiting ball (65) is matched with that of the circular grooves formed in the surface of the limiting block (62).
6. 6. The reinforced concrete frame connection structure according to claim 3, wherein a groove is formed in the middle of the limit base (61) on the left side, and the size of the limit block (62) is matched with that of the groove.
7. 7. The reinforced concrete frame connecting structure according to claim 1, wherein the second sleeve (4) is a right-angle sleeve, and the second sleeve (4) is made of galvanized steel.
8. 8. The reinforced concrete frame connecting structure according to claim 1, wherein the cross-shaped groove formed in the top of the first steel bar (1) is matched with the cross-shaped clamping block (7), and the size of the cross-shaped clamping block (7) is smaller than the diameter of the first sleeve (2).

Description

Reinforced concrete frame connection structure Technical Field The utility model relates to the field of frame connecting structures, in particular to a reinforced concrete frame connecting structure. Background With the continuous development of building technology, people put higher demands on the safety, stability and applicability of buildings, and reinforced concrete frame structures are widely applied to various buildings due to good bearing capacity, spatial performance and durability, so that in order to meet the development requirements of building structures, the reinforced concrete frame connection structures are required to be continuously researched and improved. The current reinforced concrete frame connection structure passes through traditional muffjoint, this kind of traditional muffjoint structure needs to calibrate the relative position of reinforcing bar with the help of measuring tool repeatedly at the connection in-process, adjusts repeatedly and causes reinforcing bar local deformation, reduce the bearing capacity of reinforcing bar, and can increase staff's installation burden, moreover, traditional sleeve lacks effectual spacing protection at the in-process of transportation, the sleeve bump and shake down at transportation vehicle, bump friction with other sleeves or transport tool easily, make the sleeve impaired, influence follow-up reinforcing bar connection's compactness and firm degree, for this reason propose a reinforced concrete frame connection structure and solve above-mentioned problem. Disclosure of utility model In order to make up for the defects, the utility model provides a reinforced concrete frame connecting structure, which aims to solve the problems of positioning of reinforcing steel bars in the connecting process and limit protection of a sleeve in transportation of the connecting structure in the prior art. In order to achieve the aim, the reinforced concrete frame connecting structure comprises two first steel bars, wherein cross grooves are formed in the tops of the two first steel bars, sleeves I are connected to the tops of the two first steel bars in a threaded mode, limiting assemblies are fixedly connected to the left side and the right side of each sleeve I, steel bars II are fixedly connected to the tops of the sleeves I, cross clamping blocks are arranged at the bottoms of the two steel bars, threaded holes are formed in the sleeves I and the steel bars II, the sleeves I and the steel bars are fixedly connected through bolts, sleeves II are connected to the tops of the steel bars in a threaded mode, and steel bars III are connected between the sleeves II in a threaded mode; as further description of the technical scheme, the limiting assembly comprises two limiting bases which are distributed left and right, the rear part of the limiting base on the right side is fixedly connected to the surface of the first sleeve, and the front part of the limiting base on the right side is fixedly connected with a limiting block; As a further description of the technical scheme, the rear part of the limit base at the left side is fixedly connected to one surface of the sleeve, the front part of the limit base at the left side is fixedly connected with two shells which are distributed up and down, and springs are arranged in the two shells which are distributed up and down; As further description of the technical scheme, the bottom of the spring is fixedly connected with two limit balls which are distributed up and down, and the two limit balls which are distributed up and down are connected inside the shell in a sliding way; As further description of the technical scheme, the limiting block is provided with round grooves which are distributed up and down, and the size of the limiting ball is matched with the size of the round grooves formed on the surface of the limiting block; As further description of the technical scheme, a groove is formed in the middle of the limiting base at the left side, and the size of the limiting block is matched with that of the groove; As a further description of the technical scheme, the second sleeve is arranged as a right-angle sleeve, and the second sleeve is made of galvanized steel; As further description of the technical scheme, the size of the cross-shaped groove formed in the top of the reinforcing steel bar is matched with that of the cross-shaped clamping block, and the size of the cross-shaped clamping block is smaller than the diameter of the sleeve I. The utility model has the following beneficial effects: 1. According to the utility model, the cross-shaped clamping block at the bottom of the second steel bar is accurately matched with the cross-shaped groove at the top of the first steel bar, so that a worker can quickly complete preliminary positioning by aligning the clamping block with the groove, the relative position of the steel bar is not required to be repeatedly calibrated by means of a measuring tool, the pos