Search

CN-121976624-A - Heat accumulating and preserving type building wall and installation method

CN121976624ACN 121976624 ACN121976624 ACN 121976624ACN-121976624-A

Abstract

A heat accumulating and preserving type building wall and an installation method relate to the technical field of building energy conservation, wherein first grooves are formed in the inner sides of two ends of a prefabricated wall plate in the vertical direction, second grooves are formed in the outer sides of two ends of the prefabricated wall plate in the vertical direction, a grouting seam is formed between a connecting piece and the first grooves and between the connecting piece and the second grooves in an interval mode during installation, a photovoltaic plate is connected to the outer side of the prefabricated wall plate through a plurality of installation frames, a plurality of limiting grooves used for inserting the installation frames are formed in the outer side of the prefabricated wall plate in a forming mode, the limiting grooves can limit the installation frames, grouting channels are formed between at least one reinforcing groove hole and a grouting cavity, and cavities are formed in the installation frames and communicated with the grouting cavity. Grouting material can synchronously fill the wallboard splice joint, the grouting cavity and the mounting frame cavity, so that the seamless consolidation of the photovoltaic mounting frame and the prefabricated wallboard is realized, a traditional bolt buckle connection mode is abandoned, and the problem of loosening of a connecting piece caused by long-term wind power, vibration and temperature deformation of the photovoltaic board is reduced.

Inventors

  • WU QIANQIAN
  • HE YUN
  • XIAO YUZHU
  • Dong Hezhen
  • ZHAO WEIWEI
  • LIU SONG

Assignees

  • 新泰市建筑安装工程有限公司

Dates

Publication Date
20260505
Application Date
20260313

Claims (10)

  1. 1. The utility model provides a heat accumulation heat preservation formula building wall, this wall body includes many prefabricated wallboard (1), and when the installation, sets up connecting piece (2) between adjacent prefabricated wallboard (1), and is fixed its characterized in that through pouring grouting material: The inner sides of two ends of the prefabricated wallboard (1) are provided with first grooves (11) in a vertical direction, the outer sides of two ends of the prefabricated wallboard (1) are provided with second grooves (12) in a vertical direction, the depth of the first grooves (11) is larger than that of the second grooves (12), protruding parts (13) are formed between the first grooves (11) and the second grooves (12) and are used for accommodating connecting pieces (2) between the adjacent prefabricated wallboards (1); The connecting piece (2) is provided with a plurality of reinforcing rods (21) along the vertical direction, a reinforcing groove hole (14) for inserting the reinforcing rods (21) is formed in the first groove (11), and when the connecting piece is installed, grouting gaps (3) are formed between the connecting piece (2) and the first groove (11) and between the connecting piece and the second groove (12); The utility model discloses a prefabricated wallboard, including prefabricated wallboard (1), mounting bracket (4), cavity (41) have been seted up in mounting bracket (4), and spacing groove (15) are along setting up vertical direction, spacing groove (15) can be spacing mounting bracket (4), and when both installations, the interval forms upper end open-ended grout chamber (6), has at least one to strengthen between slotted hole (14) and the grout chamber (6) shaping to have grout passageway (16), cavity (41) have been seted up in mounting bracket (4), and cavity (41) and grout chamber (6) intercommunication.
  2. 2. The heat accumulating and preserving type building wall according to claim 1, wherein the aperture of the reinforcing slot (14) is larger than the outer diameter of the reinforcing rod (21), and the tail end of the reinforcing rod (21) is arranged at intervals with the inner wall of the reinforcing slot (14).
  3. 3. A heat accumulating and preserving building wall according to claim 1, characterized in that the connecting piece (2) comprises a first connecting part (22) and a second connecting part (23) which are respectively matched with the first groove (11) and the second groove (12), a connecting waist part (24) is integrally formed between the first connecting part and the second connecting part, and two sides of the connecting waist part (24) are matched with the protruding parts (13).
  4. 4. The heat accumulating and preserving building wall according to claim 1, wherein a plurality of grouting channels (16) are formed between the reinforcing slots (14) and the grouting cavities (6) independently, and the grouting channels (16) are arranged obliquely downwards from the side walls of the reinforcing slots (14).
  5. 5. A heat accumulating and preserving building wall according to claim 1, characterized in that the mounting frame (4) comprises two cavity side plates (42), the outer sides of which are connected with cavity outer plates (43) together, the inner sides of which are connected with cavity inner plates (44) respectively, and the cavity inner plates (44) are connected with connecting plates (45); The outside of the cavity outer plate (43) is provided with a supporting plate (46), and the supporting plate (46) is L-shaped, extends to the back of the photovoltaic panel (5) and is fixed with the photovoltaic panel.
  6. 6. The heat accumulating and preserving building wall according to claim 5, wherein the cross section of the cavity inner plate (44) is L-shaped, the long side extends beyond the cavity side plate (42) to be matched with the limit groove (15), the short side extends towards the cavity (41), and the connecting plate (45) is connected between the short sides.
  7. 7. The heat accumulating and preserving building wall according to claim 5, wherein the cavity outer plate (43) is arranged at intervals from the prefabricated wall plate (1), and two ends of the cavity outer plate (43) extend beyond the limit groove (15) and are integrally formed with a tightening plate (47) which extends towards the prefabricated wall plate (1) and is arranged against the prefabricated wall plate; The inner side of the long side of the cavity inner plate (44) is provided with an inclined first reinforcing plate (48), the limiting groove (15) is matched with the first reinforcing plate (48) in position, and the inner side of the cavity inner plate (44) is provided with a plurality of second reinforcing plates (49) extending towards the cavity (41).
  8. 8. The heat accumulating and preserving type building wall according to claim 1, wherein the upper end face of the prefabricated wall board (1) is provided with a grouting hole (17), and the grouting hole (17) is communicated with the uppermost reinforcing slot hole (14).
  9. 9. A method for installing a heat-accumulating and heat-preserving building wall, which is used for installing the assembled building wall as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps: S1, lifting a first prefabricated wall body to a preset position and preliminarily fixing the first prefabricated wall body with the ground through a temporary inclined support; S2, lifting the connecting piece (2) to the side of the previous prefabricated wallboard (1) to be flush with the side of the previous prefabricated wallboard, and assisting in pushing the connecting piece (2) to drive the reinforcing rod (21) to be inserted into the reinforcing slot hole (14); s3, lifting the next prefabricated wall to be flush with one side of the connecting piece (2), assisting in pushing the prefabricated wall board (1) to drive the reinforcing slot holes (14) of the prefabricated wall board to be matched with the reinforcing rods (21) on the other side of the connecting piece (2), and preliminarily fixing the prefabricated wall with the ground through temporary inclined supports; S4, arranging pouring templates (7) on the front side and the rear side of the connecting piece (2), covering the grouting joint (3) in the horizontal direction, injecting grouting material from a grouting opening at the bottom of the pouring templates (7), injecting the grouting material into the grouting joint (3) from bottom to top under pressure, sequentially flowing the grouting material into the reinforcing slot holes (14) through continuous pressurization, entering the grouting cavity (6) and the cavity (41) through the grouting channel (16) until the upper end of the grouting joint overflows, and stopping grouting; S5, observing the heights of the slurry in the grouting cavity (6) and the slurry in the cavity (41), and executing the step S6 if the slurry in the cavities overflows; if the slurry in the inner cavities of the two cavities does not overflow, the grouting slurry is communicated with the grouting hole (17) at the upper end to perform auxiliary grouting until the slurry in the grouting cavity (6) and the slurry in the cavity (41) overflow, and the grouting execution step S6 is completed; s6, repeating the steps S2-S5 until all the prefabricated wallboards (1) are installed; and S7, after the prefabricated wall body subjected to grouting is kept stand for 15-30 min, the top grouting hole (17) and the bottom grouting opening are plugged, the casting template (7) is removed within the preset time after grouting is finished, and the grouting area is subjected to moisture maintenance under the natural condition of normal temperature.
  10. 10. The method for installing the heat accumulating and preserving type building wall according to claim 9, wherein the two sides of the connecting piece (2) are provided with the partition plates (25) which can be abutted against the prefabricated wall boards (1) at the two sides in the step S2 and the step S3 to form the grouting joint (3).

Description

Heat accumulating and preserving type building wall and installation method Technical Field The invention relates to the technical field of building energy conservation, in particular to a heat-storage heat-preservation type building wall and an installation method. Background Along with the rapid development of building photovoltaic integrated technology, integrating photovoltaic panels on building outer walls has become an important development direction of green buildings, and particularly for buildings with one layer or lower layers, the outer walls are basically designed with the photovoltaic panels, and in order to be capable of converting light energy into electric energy and simultaneously playing a role of transferring heat to the building outer walls, a photovoltaic and photo-thermal integrated panel, namely a PVT panel, is generally used, photovoltaic cells absorb solar radiation and convert the solar radiation into electric energy through a photoelectric effect, meanwhile, part of solar radiation absorbed by the photovoltaic panels can be converted into heat energy, and the heat energy can be transmitted into the walls to realize passive heating of the building, so that the energy utilization efficiency of the building is improved. At present, the common photovoltaic outer wall mounting mode mainly adopts a mechanical connecting piece to directly fix the photovoltaic panel on the surface of an outer wall or a prefabricated wallboard, and the positioning and mounting of the photovoltaic panel are realized only through structures such as bolts, buckles and the like. The photovoltaic panel and the wall body are fixed only by mechanical connection, the photovoltaic panel and the wall body are easily influenced by wind power, vibration and temperature deformation in the long-term use process, the heat conduction effect on the wall body is poor, the problems of loosening of a connecting piece, reduction of the fixing reliability of the photovoltaic panel and the like occur, meanwhile, gaps are easily formed at mechanical connection nodes, the sealing performance and the structural integrity are poor, and the waterproof, wind resistance and durability requirements of the outer wall in long-term use are difficult to meet. In the field of assembly type buildings, the prefabricated wall boards are generally subjected to joint casting after being spliced on site to improve the overall structural strength, but the existing casting technology is only used for filling and reinforcing the splicing joints among the wall boards, and cannot give consideration to the connecting nodes of the photovoltaic panels. When prefabricated wallboard joins externally the photovoltaic board, wallboard concatenation is fixed for the process of two mutual independence with the photovoltaic board, can't realize once constructing and accomplish wallboard concatenation simultaneously and consolidate and be connected with the photovoltaic board and reinforce, construction process is loaded down with trivial details, inefficiency. Disclosure of Invention In order to solve the problems in the prior art, the invention provides a heat accumulating and preserving type building wall and an installation method. The technical scheme of the invention is as follows: A heat accumulating and insulating building wall comprises a plurality of prefabricated wall boards, connecting pieces are arranged between the adjacent prefabricated wall boards when the wall boards are installed, the wall boards are fixed by pouring grouting materials, The inner sides of the two ends of the prefabricated wallboard are provided with first grooves in a vertical direction, the outer sides of the two ends of the prefabricated wallboard are provided with second grooves in a vertical direction, the depth of the first grooves is larger than that of the second grooves, protruding parts are formed between the first grooves and the second grooves, and the first grooves and the second grooves are used for accommodating connecting pieces between adjacent prefabricated wallboards; The connecting piece is provided with a plurality of reinforcing rods along the vertical direction, reinforcing slotted holes for inserting the reinforcing rods are formed in the first grooves, and grouting gaps are formed between the connecting piece and the first grooves and between the connecting piece and the second grooves during installation; The utility model discloses a prefabricated wallboard, including prefabricated wallboard, mounting bracket, cavity and grout chamber, the prefabricated wallboard outside is connected with the photovoltaic board through many mounting brackets, prefabricated wallboard outside shaping has many spacing grooves that are used for mounting bracket male, and the spacing groove sets up along setting up vertical direction, the spacing groove can be spacing to the mounting bracket, and when the two are installed, the interval forms upper end open-ended grout chamb