CN-121992952-A - Accurate alignment connection device and method for prefabricated building components

CN121992952ACN 121992952 ACN121992952 ACN 121992952ACN-121992952-A

Abstract

The invention discloses a precise alignment connection device and a precise alignment connection method for prefabricated components of an assembled building, which belong to the field of assembled buildings and comprise prefabricated components, wherein the prefabricated components comprise a lower prefabricated component and an upper prefabricated component, and reinforcing steel bars are embedded in the lower prefabricated component and are used for installing the upper prefabricated component; the device comprises an upper prefabricated part, an adjusting mechanism, an acquisition camera and a control mechanism, wherein the adjusting mechanism is arranged on an assembled building foundation, the horizontal position of the upper prefabricated part is adjusted through the adjusting mechanism, and the acquisition camera is arranged on the foundation at the side of a hoisting position of the upper prefabricated part. According to the invention, the L-shaped bearing plate with the pulley is arranged to bear the upper prefabricated part, so that the traditional sliding friction is converted into rolling friction, the resistance in horizontal fine adjustment is greatly reduced, a worker can easily push the heavy prefabricated part to adjust the position, and the positioning difficulty and the labor intensity of personnel in the positioning operation of hoisting the prefabricated part are effectively reduced.

Inventors

ZHANG QINGYAN
LU YANGYANG
NIE BAOLEI
CAO HONGJU
WU RONGXING
HUANG LILI
YANG ZIHAN
SU ENQI

Assignees

宁波职业技术大学

Dates

Publication Date: 20260508
Application Date: 20260326

Claims (6)

1. Accurate counterpoint connecting device of prefabricated component of assembled building, its characterized in that includes: The prefabricated part comprises a lower prefabricated part (1) and an upper prefabricated part (2), wherein reinforcing steel bars are pre-buried in the lower prefabricated part (1) and used for installing the upper prefabricated part (2); the adjusting mechanism (3) is arranged on the assembled building foundation, and the horizontal position of the upper prefabricated part (2) is adjusted through the adjusting mechanism (3); The collecting camera (4) is arranged on the foundation beside the hoisting position of the upper prefabricated part (2), and the collecting camera (4) is used for collecting relative position images between the connecting hole at the bottom of the upper prefabricated part (2) and the pre-buried steel bars on the lower prefabricated part (1) in real time; Wherein the adjusting mechanism (3) comprises: A base (301), wherein the base (301) is arranged at one side of a hoisting point of the upper prefabricated part (2); The hydraulic telescopic arm (302), the hydraulic telescopic arm (302) is fixedly arranged on the base (301); The connecting seat (303), the top that the said connecting seat (303) fixedly connects to hydraulic telescopic arm (302), one side facing upper portion prefabricated component (2) of the said connecting seat (303) has slide rails (304); The sliding installation seat (305), the sliding installation seat (305) is connected to the sliding rail (304) in a sliding way, and the sliding installation seat (305) is connected with a fastening bolt (3051) for locking the sliding installation seat (305) on the sliding rail (304) in a threaded way; the L-shaped bearing plate (306), the L-shaped bearing plate (306) is installed on the sliding installation seat (305), and a pulley (307) for supporting and guiding the upper prefabricated part (2) is rotatably connected to the L-shaped bearing plate (306).
2. The precise-alignment connection device of prefabricated building elements according to claim 1, characterized in that the adjusting mechanism (3) further comprises: The adjusting seat (308), the top end of the connecting seat (303) is fixedly connected with the adjusting seat (308); The adjusting screw (309), adjusting screw (309) threaded connection is on adjusting seat (308), adjusting screw (309) one end fixedly connected with adjust knob (310), adjusting screw (309) other end fixedly connected with rubber pad (311).
3. The precise contraposition connecting device of prefabricated building components according to claim 2, wherein the adjusting knob (310) is provided with a dial gauge for displaying the adjusting stroke.
4. The precise alignment connection device for prefabricated building components according to claim 3, wherein two groups of sliding mounting seats (305) are symmetrically arranged on the sliding rail (304), and two groups of L-shaped bearing plates (306) are respectively and correspondingly arranged on the two groups of sliding mounting seats (305).
5. The precise alignment connection device for prefabricated building components according to claim 4, wherein a wireless module is arranged in the acquisition camera (4), and the acquisition camera (4) is electrically connected with an external display screen through the wireless module.
6. A method for the precise para-position connection of prefabricated building elements, based on the device according to any one of claims 1 to 5, characterized in that it comprises the following steps: S1, hoisting an upper prefabricated part (2) to an assembly position through a tower crane, suspending the upper prefabricated part (2) above embedded bars, and preparing two sets of adjusting mechanisms (3) to be arranged at two sides of a hoisting position; S2, according to the size of the upper prefabricated part (2), adjusting the position of the sliding mounting seat (305) on the sliding rail (304) to enable the interval between the two groups of L-shaped bearing plates (306) to be matched with the width of the upper prefabricated part (2), and locking the upper prefabricated part by fastening bolts (3051); s3, controlling the hydraulic telescopic arm (302) to act, enabling the connecting seat (303) to receive the upper prefabricated part (2), and then lowering the connecting seat to be close to the mounting height of the lower prefabricated part (1); S4, acquiring relative position images of a connecting hole at the bottom of the upper prefabricated part (2) and the pre-buried steel bars on the lower prefabricated part (1) in real time through an acquisition camera (4), and driving an adjusting screw (309) to stretch and retract by a worker through rotating an adjusting knob (310) according to image information, so that a rubber pad (311) pushes the upper prefabricated part (2), and realizing horizontal movement of the upper prefabricated part (2) by means of a pulley (307) on an L-shaped bearing plate (306) until the connecting hole and the steel bars are accurately aligned in the vertical direction; And S5, after finishing fine adjustment, slowly dropping the upper prefabricated part (2) to enable the reinforcing steel bars to be inserted into the corresponding connecting holes, and finishing connection.

Description

Accurate alignment connection device and method for prefabricated building components Technical Field The invention belongs to the technical field of assembly type buildings, and particularly relates to a precise alignment connection device and method for prefabricated components of an assembly type building. Background Along with the development of building industrialization, the assembled building is widely applied in the building industry due to the advantages of high construction efficiency, controllable quality, environmental protection, energy conservation and the like. In the assembly type building construction process, the hoisting and connection of prefabricated parts are one of key procedures, and the precision of the hoisting and connection directly affects the stability and safety of the whole building structure. At present, when an upper prefabricated part is installed on a lower prefabricated part, the part is lifted to an installation position by a tower crane, and then is manually aligned and adjusted, however, due to the fact that the prefabricated part is large in size and heavy in weight, shaking easily occurs in the lifting process, a connecting hole at the bottom of the part and a lower embedded steel bar are difficult to align quickly and accurately, the existing adjusting method mainly depends on tools such as manual naked eye observation and crowbar to conduct fine adjustment, the manual adjustment often needs repeated lifting and adjustment for multiple times, the construction efficiency is low, potential safety hazards exist in manual short-distance operation, and meanwhile, for the part with large weight, the manual fine adjustment is difficult, time-consuming and labor-consuming. Disclosure of Invention The invention aims to provide a device and a method for accurately aligning and connecting prefabricated components of an assembled building, so as to solve the problems in the background art. In order to achieve the above purpose, the invention provides the following technical scheme that the accurate alignment connection device of the prefabricated building components comprises: the prefabricated part comprises a lower prefabricated part and an upper prefabricated part, wherein reinforcing steel bars are embedded in the lower prefabricated part and used for installing the upper prefabricated part; the adjusting mechanism is arranged on the assembled building foundation, and the horizontal position of the upper prefabricated part is adjusted through the adjusting mechanism; the collecting camera is arranged on the foundation beside the hoisting point of the upper prefabricated part, and the collecting camera is used for collecting the relative position images between the connecting hole at the bottom of the upper prefabricated part and the pre-buried steel bars on the lower prefabricated part in real time; Wherein, adjustment mechanism includes: the base is arranged on one side of the hoisting point of the upper prefabricated part; The hydraulic telescopic arm is fixedly arranged on the base; The connecting seat is fixedly connected to the top end of the hydraulic telescopic arm, and a sliding rail is arranged on one side of the upper prefabricated part facing the connecting seat; The sliding installation seat is connected to the sliding rail in a sliding way, and the sliding installation seat is connected with a fastening bolt for locking the sliding installation seat on the sliding rail in a threaded way; The L-shaped bearing plate is installed on the sliding installation seat, and the L-shaped bearing plate is rotationally connected with a pulley for supporting and guiding the upper prefabricated part. As a further preferable mode of the technical scheme, the adjusting mechanism further comprises an adjusting seat, a connecting seat and a connecting seat, wherein the adjusting seat is fixedly connected to the top end of the connecting seat; the adjusting screw is in threaded connection with the adjusting seat, one end of the adjusting screw is fixedly connected with an adjusting knob, and the other end of the adjusting screw is fixedly connected with a rubber pad. As a further preferable mode of the technical scheme, the adjusting knob is provided with a dial gauge for displaying the adjusting stroke. The technical scheme is further preferable that the sliding mounting seats are provided with two groups and are symmetrically arranged on the sliding rail, and the L-shaped bearing plates are provided with two groups and are respectively and correspondingly arranged on the two groups of sliding mounting seats. As a further preferable mode of the technical scheme, a wireless module is arranged in the acquisition camera, and the acquisition camera is electrically connected with an external display screen through the wireless module. The accurate alignment connection method of the prefabricated building components based on the device of any one of the above steps comprises the follo