CN111691577A - Assembled outer wall structure based on BIM technique - Google Patents
Assembled outer wall structure based on BIM technique Download PDFInfo
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- CN111691577A CN111691577A CN202010435599.7A CN202010435599A CN111691577A CN 111691577 A CN111691577 A CN 111691577A CN 202010435599 A CN202010435599 A CN 202010435599A CN 111691577 A CN111691577 A CN 111691577A
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- connecting plate
- wall panel
- structure based
- wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/04—Walls having neither cavities between, nor in, the solid elements
- E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
- E04B2/08—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
- E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
- E04F13/0835—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Finishing Walls (AREA)
Abstract
An assembled outer wall structure based on a BIM technology comprises an outer wall body formed by splicing a plurality of outer wall plates, wherein waterproof reversed ridges are integrally formed at the upper ends of the outer wall plates, and positioning grooves matched with the waterproof reversed ridges are formed at the lower ends of the outer wall plates; a waterproof layer and a decorative layer are sequentially fixed on one side of the connecting plate, which is opposite to the external wall panel; the side wall panel is installed a plurality of subassemblies that hang towards one side of connecting plate, the through-hole has been seted up to the position that corresponds the subassembly that hangs on the connecting plate, hang the subassembly stretch into in the through-hole and with the connection can be dismantled to the connecting plate, the connecting plate hang through hanging the subassembly in on the side wall panel, the one end that the side wall panel was kept away from to the through-hole is fixed with fragile piece. The invention has the advantages that: the difficulty of demolising of finish coat when the later maintenance is greatly reduced, and the damage to the outer wall body of the building is difficult to cause when demolishing the finish coat.
Description
Technical Field
The invention relates to the field of assembly type buildings, in particular to an assembly type outer wall structure based on a BIM technology.
Background
The BIM technology is an important technology for planning design, construction, operation and the like of a building and integrating information by utilizing three-dimensional software, and an outer wall is designed on the basis of the BIM technology in the aspect of an assembly type building, then prefabricated, and then a prefabricated wall plate is installed, so that the rapid installation of the building is realized.
After the existing fabricated building outer wall is installed, an outer decorative wall brick is adhered to the outer side surface of the outer wall through an adhesive or cement to form a decorative finish layer. When the building is used for a certain period of time, the exterior wall bricks on the outer wall of the building are loosened, and the exterior wall bricks fall off in severe cases; therefore, after a building is used for a certain period of time, the veneer layer on the outer wall of the building is required to be shoveled down and then a new veneer layer is paved, but the outer wall bricks stuck on the outer wall through the adhesive or cement are not easy to be dismounted from the outer wall of the building on the whole, so that the construction period is longer, and the outer wall is easy to be shoveled when being dismounted, thereby causing adverse effect on the mechanical property of the outer wall.
Disclosure of Invention
The invention aims to provide an assembled outer wall structure based on a BIM technology, which has the advantages that: the later maintenance of being convenient for, greatly reduced the removal degree of difficulty of finish coat when later maintenance, be difficult for causing the damage to the outer wall body of building when demolising the finish coat moreover.
The above object of the present invention is achieved by the following technical solutions: an assembled outer wall structure based on a BIM technology comprises an outer wall body formed by splicing a plurality of outer wall plates, wherein waterproof reversed ridges are integrally formed at the upper ends of the outer wall plates, and positioning grooves matched with the waterproof reversed ridges are formed at the lower ends of the outer wall plates; a waterproof layer and a decorative layer are sequentially fixed on one side of the connecting plate, which is opposite to the external wall panel; the side wall panel is installed a plurality of subassemblies that hang towards one side of connecting plate, the through-hole has been seted up to the position that corresponds the subassembly that hangs on the connecting plate, hang the subassembly stretch into in the through-hole and with the connection can be dismantled to the connecting plate, the connecting plate hang through hanging the subassembly in on the side wall panel, the one end that the side wall panel was kept away from to the through-hole is fixed with fragile piece.
Through the technical scheme, the difficulty of removing the finish coat during the later maintenance is greatly reduced, and the damage to the outer wall body of the building is not easily caused when the finish coat is removed. The waterproof reverse ridge can play a better waterproof role, and the two vertically adjacent external wall panels are conveniently positioned through the matching of the waterproof reverse ridge and the positioning groove; when the building outer wall is maintained in the later period, a worker can use an electric drill or an electric hammer to break the transitional positions of the waterproof layer and the decorative layer corresponding to the two adjacent connecting plates, then the positions of the through holes on the connecting plates corresponding to the waterproof layer and the decorative layer are punched completely, and the fragile pieces are broken; then the connection between the suspension component and the connecting plate is released, and the connecting plate can be detached from the external wall panel; then, the new connecting plate is arranged back to the outer wall plate, and the waterproof layer and the finish coat are sequentially paved on the connecting plate, so that the maintenance of the building outer wall can be completed, the construction efficiency is high, and the outer wall plate is not easily damaged.
The invention is further configured to: the suspension assembly comprises a column body, a mounting hole and a fastener, wherein one end of the column body is fixedly connected with the external wall panel, the mounting hole is formed in the peripheral side wall of the column body, and the fastener is arranged in the mounting hole;
the buckle piece comprises a pin, a spring and a pull rope, wherein the pin is connected in the mounting hole in a sliding mode along the radial direction of the cylinder body, the spring is arranged in the mounting hole, the pull rope is fixed on the pin, the spring is located between the bottom of the mounting hole and the pin, the pin extends out of the mounting hole under the action of the spring, a rope penetrating hole penetrating through the bottom of the mounting hole and the end face of the cylinder body, far away from one end face of the external wall panel, is formed in the cylinder body, and the pull rope penetrates through the rope penetrating hole;
the through hole is in inserting fit with the column body, and clamping holes for inserting the pins are formed in the peripheral side wall of the through hole.
By the technical scheme, the connecting plate can be stably fixed on the external wall panel, and the connecting plate is convenient to disassemble; when the contact hangs being connected of subassembly and connecting plate, only need drag the stay cord and make the stay cord drive the pin and remove in to the mounting hole to make the pin deviate from the card hole, then drag the connecting plate to the direction of keeping away from the side fascia, alright pull down the connecting plate from hanging the subassembly.
The invention is further configured to: the mounting holes and the buckling pieces are at least three on the circumferential side wall of the column body.
Through above-mentioned technical scheme for the connection structure of connecting plate and suspension assembly is more stable.
The invention is further configured to: the end of the column body, which is far away from the external wall panel, is rotatably connected with a knob, and the end of the pull rope, which is far away from the pin, is fixedly connected to the peripheral side wall of the knob after penetrating out through the rope penetrating hole.
Through above-mentioned technical scheme, staff's accessible knob drives the pin and contracts in to the mounting hole, and is more convenient, also avoids the condition appearance that the one end of pin was kept away from to the stay cord in the use was retracted the stringing hole completely.
The invention is further configured to: the cylinder is provided with an ejection assembly, and the knob is screwed to drive the ejection assembly to push the connecting plate to move towards the direction far away from the external wall panel.
Through the technical scheme, the process that workers detach the connecting plate from the external wall panel becomes simpler and more convenient. When the connecting plates are detached from the external wall panel, the positions of the waterproof layer and the decorative layer corresponding to the transition of two adjacent connecting plates do not need to be broken; but can directly beat the waterproof layer and the finish coat and correspond the through-hole on the connecting plate and locate thoroughly, then make the round pin post withdraw earlier in the mounting hole through revolving the knob, later ejecting subassembly promotes the connecting plate to the direction of keeping away from the side fascia for the position fracture that waterproof layer and finish coat correspond two adjacent connecting plates and pass through, thereby make the people can pull down the connecting plate from the side fascia.
The invention is further configured to: the end face of one end of the cylinder, which is far away from the external wall panel, is provided with a blind hole, and the peripheral side wall of the cylinder is provided with a sliding chute communicated with the blind hole;
the ejection assembly comprises a screw rod arranged in the blind hole, an ejection sleeve sleeved outside the column body in a sliding manner, and a sliding block which is arranged in the sliding groove and fixedly connected with the ejection sleeve, wherein screw teeth matched with the screw rod are processed on one side of the sliding block, which is opposite to the ejection sleeve, a circular hole is formed in the end face of one end of the screw rod, which is far away from the external wall panel, the side wall of the periphery of the circular hole is fixedly connected with a limiting block, and the ejection sleeve is positioned between the external wall panel and the connecting plate;
the knob comprises a rotating portion and a cylindrical connecting portion, wherein the rotating portion is located outside the blind hole, the connecting portion penetrates through the blind hole and is fixedly connected with the rotating portion, a protruding block is fixed at a position, deviated from the center, of one end face of the rotating portion back to back, and the protruding block stretches into the blind hole.
Through the technical scheme, the bump is contacted with the limiting block part in a normal state; when the staff rotated the knob, the knob can make the round pin post take in the mounting hole completely through dragging the stay cord, lug and stopper butt this moment, when the staff continued to rotate the knob, the knob can drive the lead screw and rotate to make ejecting cover and promote the connecting plate to the direction of keeping away from the side fascia under the effect of lead screw, make waterproof layer and finish coat correspond the position department that two adjacent connecting plates pass through and break apart, thereby make the people can pull down the connecting plate from the side fascia.
The invention is further configured to: and a hexagonal hole is formed in the center of one side of the screwing part, which is back to the connecting part.
Through above-mentioned technical scheme, the staff can use the hexagonal spanner to insert in the hexagonal hole and rotate the knob.
The invention is further configured to: the fragile piece is ground glass.
Through above-mentioned technical scheme, hit the bits and pieces easily.
The invention is further configured to: and waterproof marks are arranged on the outer side of the decorative layer corresponding to the through holes.
Through above-mentioned technical scheme, the staff of being convenient for finds the through-hole position fast.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the later maintenance is facilitated, the difficulty in removing the finish coat during the later maintenance is greatly reduced, and the damage to the outer wall body of the building is not easily caused when the finish coat is removed;
2. the setting of ejecting subassembly makes the process that the staff is dismantling the connecting plate from the side fascia become more simple and convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of a structure embodying a suspension assembly;
FIG. 3 is a partial cross-sectional view of a structure embodying a suspension assembly and an ejection assembly;
FIG. 4 is a schematic view showing a structure of a lead screw;
fig. 5 is a schematic view showing a structure of the knob.
In the figure, 1, an external wall panel; 11. waterproof reverse ridge; 12. positioning a groove; 2. a suspension assembly; 21. a cylinder; 211. blind holes; 22. mounting holes; 23. a pin; 24. a spring; 25. pulling a rope; 3. a connecting plate; 31. a through hole; 32. a clamping hole; 33. a frangible member; 34. mounting an embedding groove; 4. a waterproof layer; 6. a finishing layer; 7. a knob; 71. a screwing part; 72. a connecting portion; 73. a bump; 74. a hexagonal hole; 8. ejecting the assembly; 81. a screw rod; 82. ejecting a sleeve; 83. a slider; 84. a circular hole; 85. a limiting block; 86. a chute.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, the assembled exterior wall structure based on the BIM technology disclosed by the invention is convenient for later maintenance. The assembled outer wall structure comprises an outer wall body formed by splicing a plurality of outer wall panels 1, wherein the upper ends of the outer wall panels 1 are integrally formed with waterproof reversed ridges 11, and the lower ends of the outer wall panels 1 are provided with positioning grooves 12 matched with the waterproof reversed ridges 11; in two vertical adjacent external wall panels 1, the waterproof anti-bank 11 on the external wall panel 1 that is in the below inserts in the constant head tank 12 on the external wall panel 1 that is in the top, and through the cooperation of waterproof anti-bank 11 and constant head tank 12, guarantee that the outer wall body wall is level and smooth.
All be connected with a connecting plate 3 (four hang four and hang subassembly 2 and be located four edges and corners of side fascia 1 respectively) through four suspension assembly 2 in every side fascia 1 outside, be fixed with waterproof layer 4 and finish coat 6 in proper order on connecting plate 3 side fascia 1 one side dorsad, wherein waterproof layer 4 adopts waterproof mortar to paint and forms.
Referring to fig. 2 and 3, the hanging assembly 2 includes a column 21 having one end extending into the external wall panel 1 and fixedly connected to the external wall panel 1, at least three mounting holes 22 (four are taken as an example in this embodiment) are formed on the circumferential side wall of the column 21 at an end far from the external wall panel 1 at intervals along the circumferential direction of the column 21, and a fastener is installed in the mounting hole 22; the fastener comprises a pin 23 connected in the mounting hole 22 in a sliding manner along the radial direction of the column body 21, a spring 24 arranged in the mounting hole 22 and a pull rope 25 fixedly connected to one end, facing the bottom of the mounting hole 22, of the pin 23, a spring embedding hole is formed in the center of one end, facing the bottom of the mounting hole 22, of the pin 23, one end of the spring 24 abuts against the bottom of the mounting hole 22, the other end of the spring extends into the spring embedding hole, and under the action of the spring 24, one end, away from the spring 24, of the pin 23 extends out of the mounting hole 22; it is noted that the end of the pin 23 remote from the spring 24 is a guiding ramp inclined away from the fascia 1. In addition, a rope threading hole which penetrates through the bottom of the mounting hole 22 and the end face of the column body 21 far away from one end of the external wall panel 1 is formed in the column body 21, and one end of the pull rope 25 far away from the pin 23 penetrates through the rope threading hole; pulling the pull cord 25 causes the pull cord 25 to move the pin into the mounting hole 22.
Referring to fig. 2 and 3, in order to cooperate with the suspension assembly 2, a through hole 31 adapted to the column 21 is formed in the connection plate 3 corresponding to the suspension assembly 2, and a clamping hole 32 inserted and matched with the pin 23 is formed in a peripheral side wall of the through hole 31; the column 21 is inserted into the through hole 31, and the pin 23 is inserted into the clamping hole 32; under the action of the columns 21, the connecting plate 3 is hung on the external wall panel 1; under the cooperation of the pin and the clamping hole 32, the connecting plate 3 cannot be separated from the cylinder 21 without human intervention. In order to facilitate the construction of the waterproof layer 4, an embedding groove 34 is formed in the connecting plate 3 along the edge of one end, away from the external wall panel 1, of the through hole 31, a fragile piece 33 is embedded in the embedding groove 34, in the embodiment, the fragile piece 33 is ground glass, and the ground glass is bonded with the connecting plate 3; in addition, waterproof marks are arranged on the outer side of the decorative layer 6 corresponding to the through holes 31, so that a worker can find the positions of the through holes 31 quickly.
Referring to fig. 3, in order to detach the connecting plate 3, the waterproof layer 4 and the finishing coat 6 from the external wall panel 1, a blind hole 211 is formed in an end surface of the cylinder 21, which is far away from the external wall panel 1, at least three sliding grooves 86 are formed in the circumferential side wall of the cylinder 21, which are spaced apart from each other along the circumferential direction of the cylinder 21 (four are used as an example in the present embodiment), a knob 7 is rotatably connected to one end of the cylinder 21, which is far away from the external wall panel 1, through the blind hole 211, an ejection assembly 8 is installed on the cylinder 21, and a worker drives the ejection assembly 8 to push the connecting plate 3 to.
Specifically, referring to fig. 3 and 5, the knob 7 includes a screwing portion 71 located outside the blind hole 211 and a cylindrical connecting portion 72 penetrating through the blind hole 211 and fixedly connected to the screwing portion 71, a protrusion 73 is fixed on an end surface of the connecting portion 72 opposite to an end surface of the screwing portion 71 and deviating from a center, a hexagonal hole 74 is opened in a center of the screwing portion 71 opposite to the connecting portion 72, and an end of the pulling rope 25 away from the external wall plate 1 penetrates through the rope passing hole and is fixed on an outer peripheral wall of the screwing portion 71; the operator can rotate the knob 7 to pull the pull cord 25 by the knob 7, thereby moving the pin into the mounting hole 22 by the pull cord 25.
Referring to fig. 3 to 5, the ejection assembly 8 includes a screw 81 disposed in the blind hole 211, an ejection sleeve 82 slidably sleeved outside the cylinder 21, and a slider 83 disposed in the sliding groove 86 and fixedly connected to the ejection sleeve 82; threads matched with the screw rod 81 are processed on one side of the sliding block 83, which faces away from the ejection sleeve 82, and the ejection sleeve 82 is positioned between the connecting plate 3 and the external wall panel 1 and is abutted against the connecting plate 3; a circular hole 84 is formed in the end face of one end, away from the external wall panel 1, of the screw rod 81, and a limiting block 85 is fixedly connected to the peripheral side wall of the circular hole 84; it should be noted that one end of the screw 81 abuts against the bottom of the blind hole 211, the other end abuts against the connecting portion 72 of the knob 7, and the projection 73 on the knob 7 extends into the circular hole 84. Under normal state, the bump 73 is contacted with the limiting block 85; when the staff rotates knob 7, knob 7 can make the round pin post take in mounting hole 22 completely through drawing the stay cord 25, lug 73 and stopper 85 butt this moment, when the staff continues to rotate knob 7, knob 7 can drive lead screw 81 and rotate to make ejecting cover 82 with promote connecting plate 3 to the direction of keeping away from side fascia 1 under the effect of lead screw 81, make waterproof layer 4 and finish coat 6 correspond the position department that two adjacent connecting plates 3 pass through and burst.
The implementation principle of the embodiment is as follows: when the building outer wall is maintained, the positions of the waterproof layer 4 and the veneer layer 6 corresponding to the through holes 31 on the connecting plates 3 can be punched through by using an electric drill or an electric hammer, and the fragile pieces 33 are crushed; then, four workers synchronously use a hexagonal wrench to rotate the knob 7, so that the pin is separated from the clamping hole 32, the ejection sleeve 82 pushes the connecting plate 3 in the direction far away from the external wall panel 1, and the waterproof layer 4 and the finish coat 6 are cracked at the transition position corresponding to two adjacent connecting plates 3; then, the worker can detach the connecting plate 3 carrying the waterproof layer 4 and the decorative layer 6 from the external wall panel 1; then install new connecting plate 3 back to on the wallboard 1 to lay waterproof layer 4 and finish coat 6 one by one on connecting plate 3, alright completion building outer wall's maintenance, the efficiency of construction is high, is difficult for causing the injury to wallboard 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. An assembled outer wall structure based on a BIM technology comprises an outer wall body formed by splicing a plurality of outer wall panels (1), wherein the upper ends of the outer wall panels (1) are integrally formed with waterproof reversed sills (11), and the lower ends of the outer wall panels (1) are provided with positioning grooves (12) matched with the waterproof reversed sills (11); the method is characterized in that: a connecting plate (3) is arranged on the outer side of the external wall panel (1), and a waterproof layer (4) and a decorative layer (6) are sequentially fixed on one side, back to the external wall panel (1), of the connecting plate (3); a plurality of hanging assemblies (2) are installed towards one side of connecting plate (3) in side fascia (1), through-hole (31) have been seted up to the position that corresponds hanging assembly (2) on connecting plate (3), hanging assembly (2) stretch into in through-hole (31) and with connecting plate (3) can be dismantled and be connected, connecting plate (3) through hanging assembly (2) hang in on side fascia (1), the one end that side fascia (1) was kept away from in through-hole (31) is fixed with fragile piece (33).
2. The assembled exterior wall structure based on the BIM technology as claimed in claim 1, wherein: the suspension assembly (2) comprises a column body (21) with one end fixedly connected with the external wall panel (1), mounting holes (22) formed in the peripheral side wall of the column body (21) and clamping pieces arranged in the mounting holes (22);
the buckle piece comprises a pin (23) which is connected in the mounting hole (22) in a sliding mode along the radial direction of the cylinder (21), a spring (24) arranged in the mounting hole (22) and a pull rope (25) fixed on the pin (23), the spring (24) is located between the bottom of the mounting hole (22) and the pin (23), the pin (23) extends out of the mounting hole (22) under the action of the spring (24), the cylinder (21) is provided with a rope penetrating hole which penetrates through the bottom of the mounting hole (22) and the end face of the cylinder (21) far away from one end face of the external wall panel (1), and the pull rope (25) penetrates through the rope penetrating hole;
the through hole (31) is matched with the column body (21) in an inserted mode, and a clamping hole (32) for inserting the pin (23) is formed in the peripheral side wall of the through hole (31).
3. The assembled exterior wall structure based on the BIM technology as claimed in claim 2, wherein: the installation holes (22) and the fasteners are at least three on the peripheral side wall of the cylinder (21).
4. The assembled exterior wall structure based on the BIM technology as claimed in claim 2 or 3, wherein: the one end that the side fascia (1) was kept away from in cylinder (21) rotates and is connected with knob (7), stay cord (25) keep away from one end of pin (23) wear out the back rigid coupling in on the week lateral wall of knob (7) through the rope-passing hole.
5. The assembled exterior wall structure based on the BIM technology as claimed in claim 4, wherein: the cylinder (21) is provided with an ejection assembly (8), and the knob (7) is screwed to drive the ejection assembly (8) to push the connecting plate (3) to move towards the direction far away from the external wall panel (1).
6. The assembled exterior wall structure based on the BIM technology as claimed in claim 5, wherein: a blind hole (211) is formed in the end face of one end, away from the external wall panel (1), of the column body (21), and a sliding groove (86) communicated with the blind hole (211) is formed in the peripheral side wall of the column body (21);
the ejection assembly (8) comprises a screw rod (81) arranged in the blind hole (211), an ejection sleeve (82) sleeved outside the cylinder (21) in a sliding manner and a sliding block (83) arranged in the sliding groove (86) and fixedly connected with the ejection sleeve (82), screw teeth matched with the screw rod (81) are machined on one side of the sliding block (83) back to the ejection sleeve (82), a circular hole (84) is formed in the end face of one end, away from the external wall panel (1), of the screw rod (81), a limiting block (85) is fixedly connected to the peripheral side wall of the circular hole (84), and the ejection sleeve (82) is located between the external wall panel (1) and the connecting plate (3);
the knob (7) comprises a screwing part (71) located outside the blind hole (211) and a cylindrical connecting part (72) penetrating the blind hole (211) and fixedly connected with the screwing part (71), wherein a convex block (73) is fixed at a position deviating from the center on the end face of one end of the screwing part (71) back to the connecting part (72), and the convex block (73) extends into the blind hole (211).
7. The assembled exterior wall structure based on the BIM technology as claimed in claim 6, wherein: the center of one side of the screwing part (71) back to the connecting part (72) is provided with a hexagonal hole (74).
8. The assembled exterior wall structure based on the BIM technology as claimed in claim 1, wherein: the fragile piece (33) is ground glass.
9. The assembled exterior wall structure based on the BIM technology as claimed in claim 1, wherein: waterproof marks are arranged on the outer side of the finish coat (6) corresponding to the through holes (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010435599.7A CN111691577B (en) | 2020-05-21 | 2020-05-21 | Assembled outer wall structure based on BIM technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435599.7A CN111691577B (en) | 2020-05-21 | 2020-05-21 | Assembled outer wall structure based on BIM technique |
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| CN111691577A true CN111691577A (en) | 2020-09-22 |
| CN111691577B CN111691577B (en) | 2021-06-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554367A (en) * | 2020-12-03 | 2021-03-26 | 温州企案信息科技有限公司 | Photocatalyst building outer wall with self-cleaning function |
| CN112900736A (en) * | 2021-01-20 | 2021-06-04 | 中国建筑第八工程局有限公司 | Prefabricated external wall panel and mounting method thereof |
| CN113789884A (en) * | 2021-09-07 | 2021-12-14 | 江苏文泰节能新材料有限公司 | Waterproof structure of prefabricated metal external wall panel |
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