A hanging device capable of reliably connecting a finishing layer

Abstract

The invention discloses a hanger device capable of reliably connecting a finishing layer, which mainly consists of a slotted finishing layer, an aluminum alloy wedge-shaped clamp, an aluminum alloy eccentric top, an upper self-locking hanger, a lower self-locking hanger, a fine-tuning bolt, a connecting bolt, a thermal insulation pad, and an installation angle code; the aluminum alloy wedge-shaped clamp is arranged on the slotted finishing layer, the aluminum alloy eccentric top is arranged between the aluminum alloy wedge-shaped clamp and the slotted finishing layer, the aluminum alloy wedge-shaped clamp is connected to the upper self-locking hanger, the upper self-locking hanger is connected to the lower self-locking hanger through the fine-tuning bolt, the lower self-locking hanger is connected to the installation angle code through the connecting bolt, and the thermal insulation pad is arranged between the installation angle code and the lower self-locking hanger; the invention has the advantages of solving the problems of complex structure, chemical aging, non-mechanical connection of finishing layers, and inability of each plate to be adjusted independently of the existing hangers.

Description

Technical Field

[0001] The invention relates to a building hanger, in particular to a hanger device which can be reliably connected to a finishing layer, and belongs to the field of building hangers. Background Art

[0002] The key technology in the areas of building exterior wall insulation decorative panels, building curtain walls, and indoor and outdoor decoration and renovation is to reliably connect the finishing layer with the building main body and keel structure to improve the safety of the building, while also facilitating adjustment and construction. Summary of the invention

[0003] The purpose of the present invention is to design a hanging device which can reliably connect the finishing layer, so as to solve the problems of the existing hanging devices, such as complex structure, chemical aging, non-mechanical connection of the finishing layer, and inability of each plate to be adjusted independently.

[0004] The technical solution of the present invention is:

[0005] A hanging device capable of reliably connecting a finishing layer, mainly composed of a slotted finishing layer, an aluminum alloy wedge-shaped clamp, an aluminum alloy eccentric top, an upper self-locking hanging device, a lower self-locking hanging device, a fine-tuning bolt, a connecting bolt, a thermal insulation pad, and an installation angle code;

[0006] The aluminum alloy wedge-shaped clamp is arranged on the grooved finishing layer, the aluminum alloy eccentric top is arranged between the aluminum alloy wedge-shaped clamp and the grooved finishing layer, the aluminum alloy wedge-shaped clamp is connected to the upper self-locking hanger or the lower self-locking hanger, the upper self-locking hanger is connected to the lower self-locking hanger through the fine-tuning bolt, the lower self-locking hanger is connected to the installation angle code through the connecting bolt, and the thermal insulation pad is arranged between the installation angle code and the lower self-locking hanger.

[0007] The slotted facing layer is provided with a facing layer and a wedge-shaped mounting groove arranged on the facing layer, and the aluminum alloy wedge-shaped clamp is provided with two wedge-shaped pawls inclined toward the middle, and the two wedge-shaped pawls are embedded in the wedge-shaped mounting groove of the slotted facing layer;

[0008] The aluminum alloy wedge-shaped clamp is provided with an eccentric top sleeve protruding to one side, and the aluminum alloy eccentric top is placed in the eccentric top sleeve of the aluminum alloy wedge-shaped clamp, and the aluminum alloy eccentric top is provided with an axial surface and an involute surface outside the aluminum alloy eccentric top, the axial surface of the aluminum alloy eccentric top is coaxial with the eccentric top sleeve, and an inner thrust tooth is provided in the eccentric top sleeve, and the inner thrust tooth is reversely meshed with the outer thrust tooth on the aluminum alloy eccentric top, and the aluminum alloy eccentric top is provided with an inner hexagonal hole. When rotated with an inner hexagonal wrench, the involute surface of the aluminum alloy eccentric top pushes against the finishing layer of the slotted finishing layer, pushing the two wedge-shaped pawls on the aluminum alloy wedge-shaped clamp and the wedge-shaped mounting groove of the slotted finishing layer to move toward each other until they are dead. At this time, the outer thrust tooth on the aluminum alloy eccentric top is locked by the inner thrust tooth in the eccentric top sleeve and cannot rotate, thereby achieving the purpose of mutual expansion and locking between the slotted finishing layer, the aluminum alloy wedge-shaped clamp and the aluminum alloy eccentric top.

[0009] Alternatively, bolts or other measures are used instead of the aluminum alloy eccentric top to push the two wedge-shaped pawls on the aluminum alloy wedge-shaped clamp and the wedge-shaped installation groove of the slotted finishing layer to move toward each other until they are locked.

[0010] A self-locking chamber is provided inside the aluminum alloy wedge-shaped clamp, a guide bar is provided at one end of the self-locking chamber, and a self-locking head is provided at the end of the guide bar;

[0011] The upper self-locking hanger is provided with a fine-tuning notch, an upper self-locking hanger positioning tooth, an upper self-locking hanger plug plate, and an upper self-locking hanger spring plate. The fine-tuning notch is arranged on the upper self-locking hanger positioning tooth, and the upper self-locking hanger spring plate is arranged on one side of the end of the upper self-locking hanger plug plate.

[0012] The lower self-locking hanger is provided with a fine-tuning bolt hole, a lower self-locking hanger positioning tooth, a lower self-locking hanger plug plate, a lower self-locking hanger spring plate, and a connecting bolt hole. The fine-tuning bolt hole and the connecting bolt hole are arranged on the lower self-locking hanger positioning tooth, and the lower self-locking hanger spring plate is arranged on one side of the end of the lower self-locking hanger plug plate;

[0013] The upper self-locking hanger plug plate and the upper self-locking hanger spring plate of the upper self-locking hanger, and the lower self-locking hanger plug plate and the lower self-locking hanger spring plate of the lower self-locking hanger are inserted into the self-locking compartment of the aluminum alloy wedge-shaped clamp through the guide bar and are locked by the self-locking head;

[0014] The upper self-locking hanger positioning teeth of the upper self-locking hanger and the lower self-locking hanger positioning teeth of the lower self-locking hanger engage with each other and are fastened together by the fine-tuning bolt. The fine-tuning bolt can be fastened with a nut or with a thread through a hole opened on the lower self-locking hanger.

[0015] The upper self-locking hanger and the lower self-locking hanger finely adjust the flatness of the upper and lower facing layer boards according to the pitch of the positioning teeth. The lower self-locking hanger is connected to the installation angle code through the connecting bolts and the thermal insulation pad.

[0016] The installation angle code is provided with an adjustment notch for front and rear adjustment, and the installation angle code is provided with an installation notch for anchoring with an anchor bolt between a building main body or between dry hanging keels.

[0017] The material of the grooved finishing layer can be various hard panels, such as natural stone, artificial stone, glass, metal, pottery, porcelain, wood, plastic and plastic and other metal and non-metal mixtures, artificial boards, silicate products, cement products, gypsum, the wedge-shaped grooves can be relative bevels or bevels in the same direction, and the number can be 1, 2, 3, or 4; the wedge-shaped groove can be a wedge-shaped groove formed by multiple grooves facing each other, or the groove shape itself can be a wedge-shaped groove with one end larger than the other.

[0018] The material of the aluminum alloy wedge-shaped clamp can be iron, steel, aluminum, copper and other metals and their alloys. The shape, size and number of the wedge-shaped pawls should match the shape, size and number of the wedge-shaped grooves opened in the grooved finishing layer. The size, shape and number of the thrust teeth in the eccentric top sleeve and the thrust teeth of the aluminum alloy eccentric top are determined to meet the locking needs; the shape of the self-locking warehouse can be rectangular, triangular, circular, arc-shaped, or polygonal; the shape of the aluminum alloy eccentric top can be a circle plus a triangle or a protrusion, and the inner hole can be circular, square, rectangular, triangular, or polygonal.

[0019] The positioning teeth of the upper self-locking hanger and the positioning teeth of the lower self-locking hanger can be triangular, trapezoidal, or semicircular in shape, and can be made of metals such as iron, steel, aluminum, copper, and their alloys, or non-metals such as plastic, carbon fiber, ceramic, and graphene; the shape and size of the plug plate and the spring plate are determined according to the shape and size of the self-locking warehouse.

[0020] The material of the installation angle code can be metals such as iron, steel, aluminum, copper and their alloys, or non-metals such as plastic, carbon fiber, ceramics, graphene, etc., and the shape can be L-shaped, T-shaped, straight, S-shaped, or W-shaped depending on the installation and fixing position.

[0021] The beneficial effects of the present invention are as follows: the invention completely adopts prefabricated construction, is adaptable to various wall surfaces and main structures, solves the problem of reliable mechanical connection between the facing layer and the hanging parts, can conveniently adjust the vertical error and horizontal error caused by the construction of the building main body, has light weight, high structural strength, has a certain displacement capacity relative to the main structure, has strong hanging bearing capacity, is reliably connected to the facing layer, automatically locks between components through clips, does not damage the original strength of the facing layer, each facing layer panel can be adjusted individually, and the facing layer panel can increase the thermal insulation and energy-saving function, and can be used for high-safety thermal insulation and energy-saving projects or indoor and outdoor decoration projects of the external protective structures of high-rise and super-high-rise buildings.

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a hanging device that can be reliably connected to a finishing layer according to an embodiment of the present invention;

[0024] Figure 2 It is a schematic diagram of an exploded view of an embodiment of the present invention;

[0025] Figure 3 It is a partial front view;

[0026] Figure 4 is a cross-sectional view;

[0027] Figure 5 Schematic diagram of the upper self-locking pendant;

[0028] Figure 6 Schematic diagram of the lower self-locking pendant;

[0029] Figure 7 It is a schematic diagram of an aluminum alloy wedge-shaped clamp;

[0030] Figure 7-1 for Figure 7 Side view of

[0031] Figure 8 This is a schematic diagram of an aluminum alloy eccentric top;

[0032] Figure 8-1 for Figure 8 Side view of

[0033] Figure 9-1 to Figure 9-3 It is a special application example of the present invention;

[0034] Figure 9-1 It is a schematic diagram of the structure of the two wedge-shaped pawls of the aluminum alloy wedge-shaped clamp tilting downward;

[0035] Figure 9-2 It is a schematic diagram of the structure of the two wedge-shaped pawls of the aluminum alloy wedge-shaped clamp tilting upward;

[0036] Figure 9-3 It is a schematic diagram of the structure in which two wedge-shaped pawls of an aluminum alloy wedge-shaped clamp are arranged horizontally;

[0037] In the figure: 1. slotted finishing layer; 1-1. wedge-shaped mounting groove; 1-2. finishing layer; 2. aluminum alloy wedge-shaped clamp; 2-1. wedge-shaped pawl; 2-2. self-locking chamber; 2-3. self-locking head; 2-4. guide strip; 2-5. eccentric top sleeve; 2-6. thrust tooth inside eccentric top sleeve; 3. aluminum alloy eccentric top; 3-1. involute surface; 3-2. hexagonal hole; 3-3. axial surface of aluminum alloy eccentric top; 3-4. thrust tooth of aluminum alloy eccentric top ; 4. Upper self-locking hanger; 4-1. Fine-tuning notch; 4-2. Upper self-locking hanger positioning tooth; 4-3. Upper self-locking hanger plug plate; 4-4. Upper self-locking hanger spring plate; 5. Lower self-locking hanger; 5-1. Fine-tuning bolt hole; 5-2. Lower self-locking hanger positioning tooth; 5-3. Lower self-locking hanger plug plate; 5-4. Lower self-locking hanger spring plate; 5-5. Connecting bolt hole; 6. Fine-tuning bolt; 7. Connecting bolt; 8. Thermal insulation pad; 9. Install angle code. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0039] Example 1

[0040] like Figure 1 -9, a hanging device that can reliably connect the finishing layer, mainly composed of a slotted finishing layer 1, an aluminum alloy wedge-shaped clamp 2, an aluminum alloy eccentric top 3, an upper self-locking hanging device 4, a lower self-locking hanging device 5, a fine-tuning bolt 6, a connecting bolt 7, a thermal insulation pad 8, and an installation angle code 9;

[0041] The aluminum alloy wedge-shaped clamp 2 is arranged on the grooved finishing layer 1, the aluminum alloy eccentric top 3 is arranged between the aluminum alloy wedge-shaped clamp 2 and the grooved finishing layer 1, the aluminum alloy wedge-shaped clamp 2 is connected to the upper self-locking hanger 4, the upper self-locking hanger 4 is connected to the lower self-locking hanger 5 through the fine-tuning bolt 6, the lower self-locking hanger 5 is connected to the installation angle code 9 through the connecting bolt 7, and the thermal insulation pad 8 is arranged between the installation angle code 9 and the lower self-locking hanger 5.

[0042] The slotted facing layer 1 (including the upper and lower facing layer panels) is provided with a facing layer 1-2 and a wedge-shaped mounting groove 1-1 provided on the facing layer 1-2, and the aluminum alloy wedge-shaped clamp 2 is provided with two wedge-shaped pawls 2-1 inclined toward the middle, and the two wedge-shaped pawls 2-1 are embedded in the wedge-shaped mounting groove 1-1 of the slotted facing layer 1 (glue 1-3 can be injected into the mounting groove);

[0043] The aluminum alloy wedge-shaped clamp 2 is provided with an eccentric top sleeve 2-5 protruding to one side.

[0044] The aluminum alloy eccentric top 3 is placed in the eccentric top sleeve 2-5 of the aluminum alloy wedge-shaped clamp 2. The aluminum alloy eccentric top 3 is provided with an axial surface 3-3 and an involute surface 3-1. The axial surface 3-3 of the aluminum alloy eccentric top 3 is coaxial with the eccentric top sleeve 2-5. The eccentric top sleeve 2-5 is provided with an inner thrust tooth 2-6. The inner thrust tooth 2-6 is reversely meshed with the outer thrust tooth 3-4 on the aluminum alloy eccentric top 3. The aluminum alloy eccentric top 3 is provided with an inner hexagonal hole 3-2. When a hexagonal wrench is used When turned by hand, the involute surface 3-1 of the aluminum alloy eccentric top 3 pushes against the finishing layer 1-2 of the grooved finishing layer 1, pushing the two wedge-shaped pawls 2-1 on the aluminum alloy wedge-shaped clamp 2 and the wedge-shaped mounting groove 1-1 of the grooved finishing layer 1 to move toward each other until they are locked. At this time, the outer thrust teeth 3-4 on the aluminum alloy eccentric top 3 are locked by the inner thrust teeth 2-6 in the eccentric top sleeve and cannot rotate, thereby achieving the purpose of mutual expansion and locking between the grooved finishing layer 1, the aluminum alloy wedge-shaped clamp 2, and the aluminum alloy eccentric top 3.

[0045] A self-locking chamber 2-2 is provided inside the aluminum alloy wedge-shaped clamp, a guide bar 2-4 is provided at one end of the self-locking chamber, and a self-locking head 2-3 is provided at the end of the guide bar;

[0046] The upper self-locking hanger 4 is provided with a fine-tuning notch 4-1, an upper self-locking hanger positioning tooth 4-2, an upper self-locking hanger plug plate 4-3, and an upper self-locking hanger spring plate 4-4. The fine-tuning notch 4-1 is arranged on the upper self-locking hanger positioning tooth 4-2, and the upper self-locking hanger spring plate 4-4 is arranged on one side of the end of the upper self-locking hanger plug plate 4-3;

[0047] The lower self-locking hanger 5 is provided with a fine-tuning bolt hole 5-1, a lower self-locking hanger positioning tooth 5-2, a lower self-locking hanger plug plate 5-3, a lower self-locking hanger spring plate 5-4, and a connecting bolt hole 5-5. The fine-tuning bolt hole 5-1 and the connecting bolt hole 5-5 are both arranged on the lower self-locking hanger positioning tooth 5-2, and the lower self-locking hanger spring plate 5-4 is arranged on one side of the end of the lower self-locking hanger plug plate 5-3;

[0048] The upper self-locking hanger plug plate 4-3 and the upper self-locking hanger spring plate 4-4 of the upper self-locking hanger 4, the lower self-locking hanger plug plate 5-3 and the lower self-locking hanger spring plate 5-4 of the lower self-locking hanger 5 are inserted into the self-locking compartment 2-2 of the aluminum alloy wedge-shaped clamp 2 through the guide bar 2-4 and are locked by the self-locking head 2-3;

[0049] The upper self-locking hanger positioning teeth 4-2 of the upper self-locking hanger 4 and the lower self-locking hanger positioning teeth 5-2 of the lower self-locking hanger 5 are engaged with each other and fastened together by the fine-tuning bolt 6. The fine-tuning bolt 6 can be fastened with a nut or with a thread through a hole opened on the lower self-locking hanger 5.

[0050] The upper self-locking hanger 4 and the lower self-locking hanger 5 fine-tune the flatness of the upper and lower facing layer boards according to the pitch of the positioning teeth (upper self-locking hanger positioning teeth 4-2, lower self-locking hanger positioning teeth 5-2). The lower self-locking hanger 5 is connected to the installation angle code 9 through the connecting bolts 7 and the thermal insulation pad 8.

[0051] The installation angle code 9 is provided with an adjustment notch for front and rear adjustment. The installation angle code 9 is provided with an installation notch for anchoring with an anchor bolt between a building main body or between dry hanging keels.

[0052] The material of the grooved finishing layer 1 can be various hard panels, such as natural stone, artificial stone, glass, metal, pottery, porcelain, wood, plastic and plastic and other metal and non-metal mixtures, artificial boards, silicate products, cement products, gypsum, the wedge-shaped grooves can be relative bevels or bevels in the same direction, and the number can be 1, 2, 3, or 4; the wedge-shaped groove can be a wedge-shaped groove formed by the angles between multiple grooves facing each other, or the groove shape itself can be a wedge-shaped groove with one end larger than the other.

[0053] The material of the aluminum alloy wedge-shaped clamp 2 can be iron, steel, aluminum, copper and other metals and their alloys. The shape, size and number of the wedge-shaped pawls should match the shape, size and number of the wedge-shaped grooves opened in the grooved finishing layer. The size, shape and number of the thrust teeth in the eccentric top sleeve and the thrust teeth of the aluminum alloy eccentric top are determined to meet the locking needs; the shape of the self-locking warehouse can be rectangular, triangular, circular, arc-shaped, or polygonal; the shape of the aluminum alloy eccentric top 3 can be a circle plus a triangle or a protrusion, and the inner hole can be circular, square, rectangular, triangular, or polygonal.

[0054] The positioning teeth of the upper self-locking hanger and the positioning teeth of the lower self-locking hanger can be triangular, trapezoidal, or semicircular in shape, and can be made of metals such as iron, steel, aluminum, copper, and their alloys, or non-metals such as plastic, carbon fiber, ceramic, and graphene; the shape and size of the plug plate and the spring plate are determined according to the shape and size of the self-locking warehouse.

[0055] The material of the installation angle code can be metals such as iron, steel, aluminum, copper and their alloys, or non-metals such as plastic, carbon fiber, ceramics, graphene, etc., and the shape can be L-shaped, T-shaped, straight, S-shaped, or W-shaped depending on the installation and fixing position.

[0056] FIG9 is a special application example of the aluminum alloy wedge clamp of the present invention, which is mainly used for the installation of the closing material. The two wedge-shaped ratchets 2-1 of the aluminum alloy wedge clamp 2 are respectively inclined downward ( Figure 9-1 ), tilt upward( Figure 9-2 ) and level settings ( Figure 9-3). And the wedge-shaped installation groove 1-1 of the facing layer 1-2 of the slotted facing layer 1 is filled with glue 1-3. The aluminum alloy eccentric top and the eccentric top sleeve are omitted, and only the aluminum alloy wedge-shaped clamp 2 and the slotted facing layer 1 are retained.

[0057] The present invention completely adopts prefabricated construction, is adaptable to various wall surfaces and main structures, solves the problem of reliable mechanical connection between the facing layer and the hanging parts, can conveniently adjust the vertical error and horizontal error caused by the construction of the building main body, has light weight, high structural strength, has a certain displacement capacity relative to the main structure, has strong hanging bearing capacity, is reliably connected to the facing layer, automatically locks between components through clips, does not damage the original strength of the facing layer, each facing layer panel can be adjusted separately, and the facing layer panel can increase the heat preservation and energy-saving function, and can be used for high-safety heat preservation and energy-saving projects or indoor and outdoor decoration projects of the external protective structure of high-rise and super high-rise buildings.

[0058] Suitable for mounting various hard panels (natural stone, artificial stone, glass, metal, pottery, porcelain, wood, plastic and mixture of plastic and other metals and non-metals, artificial boards, silicate products, cement products, gypsum).

Claims

1. A hanging device capable of reliably connecting a finishing layer, characterized in that: It is mainly composed of a slotted finishing layer, an aluminum alloy wedge-shaped clamp, an aluminum alloy eccentric top, an upper self-locking hanger, a lower self-locking hanger, a fine-tuning bolt, a connecting bolt, a thermal insulation pad, and an installation angle code; the aluminum alloy wedge-shaped clamp is arranged on the slotted finishing layer, the aluminum alloy eccentric top is arranged between the aluminum alloy wedge-shaped clamp and the slotted finishing layer, the aluminum alloy wedge-shaped clamp is connected to the upper self-locking hanger, the upper self-locking hanger is connected to the lower self-locking hanger through the fine-tuning bolt, the lower self-locking hanger is connected to the installation angle code through the connecting bolt, and the thermal insulation pad is arranged between the installation angle code and the lower self-locking hanger; the slotted finishing layer is provided with a finishing layer and a wedge-shaped installation groove arranged on the finishing layer, and the aluminum alloy wedge-shaped clamp is provided with two centrally The aluminum alloy wedge-shaped clamp is provided with an eccentric top sleeve protruding to one side, and the aluminum alloy eccentric top is placed in the eccentric top sleeve of the aluminum alloy wedge-shaped clamp. The aluminum alloy eccentric top is provided with an axial surface and an involute surface on the outside, and the axial surface of the aluminum alloy eccentric top is coaxial with the eccentric top sleeve. The eccentric top sleeve is provided with an inner thrust tooth, and the inner thrust tooth is reversely meshed with the outer thrust tooth on the aluminum alloy eccentric top. The aluminum alloy eccentric top is provided with an inner hexagonal hole. When rotated with an inner hexagonal wrench, the involute surface of the aluminum alloy eccentric top pushes against the finishing layer of the slotted finishing layer, pushing the two wedge-shaped ratchets on the aluminum alloy wedge-shaped clamp and the wedge-shaped mounting groove of the slotted finishing layer to move toward each other until they are locked.

2. A hanging device capable of reliably connecting a finishing layer according to claim 1, characterized in that: A self-locking chamber is provided inside the aluminum alloy wedge-shaped clamp, a guide bar is provided at one end of the self-locking chamber, and a self-locking head is provided at the end of the guide bar; The upper self-locking hanger is provided with a fine-tuning notch, an upper self-locking hanger positioning tooth, an upper self-locking hanger plug plate, and an upper self-locking hanger spring plate. The fine-tuning notch is arranged on the upper self-locking hanger positioning tooth, and the upper self-locking hanger spring plate is arranged on one side of the end of the upper self-locking hanger plug plate. The lower self-locking hanger is provided with a fine-tuning bolt hole, a lower self-locking hanger positioning tooth, a lower self-locking hanger plug plate, a lower self-locking hanger spring plate, and a connecting bolt hole. The fine-tuning bolt hole and the connecting bolt hole are arranged on the lower self-locking hanger positioning tooth, and the lower self-locking hanger spring plate is arranged on one side of the end of the lower self-locking hanger plug plate; The upper self-locking hanger plug plate and the upper self-locking hanger spring plate of the upper self-locking hanger, the lower self-locking hanger plug plate and the lower self-locking hanger spring plate of the lower self-locking hanger are inserted into the self-locking compartment of the aluminum alloy wedge-shaped clamp through the guide bar and are locked by the self-locking head.

3. A hanging device capable of reliably connecting a finishing layer according to claim 2, characterized in that: The upper self-locking hanger positioning teeth of the upper self-locking hanger and the lower self-locking hanger positioning teeth of the lower self-locking hanger are engaged with each other and are fastened together by the fine-tuning bolts.

4. A hanging device capable of reliably connecting a finishing layer according to claim 3, characterized in that: The installation angle code is provided with an adjustment notch for front and rear adjustment, and the installation angle code is provided with an installation notch for anchoring with an anchor bolt between a building main body or between dry hanging keels.

5. A hanging device capable of reliably connecting a finishing layer according to claim 4, characterized in that: The material of the grooved finishing layer is a hard panel, the wedge-shaped grooves are relatively beveled, or beveled in the same direction, and the number is 1-4; the angles between the multiple wedge-shaped grooves are opposite to each other to form a wedge shape, or the groove shape itself is a wedge formed by one end being larger and the other end being smaller.

6. A hanging device capable of reliably connecting a finishing layer according to claim 5, characterized in that: The material of the aluminum alloy wedge-shaped clamp is iron, steel, aluminum or copper; the shape, size and number of the wedge-shaped pawls match the shape, size and number of the wedge-shaped grooves opened in the grooved finishing layer; the shape of the self-locking warehouse is circular, arc-shaped or polygonal; the inner hole of the aluminum alloy eccentric top is circular or polygonal.

7. A hanging device capable of reliably connecting a finishing layer according to claim 6, characterized in that: The positioning teeth of the upper self-locking hanger and the positioning teeth of the lower self-locking hanger are triangular, trapezoidal or semicircular in shape, and are made of iron, steel, aluminum, copper, plastic, carbon fiber, ceramic or graphene; the material of the mounting angle code is iron, steel, aluminum, copper, plastic, carbon fiber, ceramic or graphene, and is L-shaped, T-shaped, straight, S-shaped or W-shaped.

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