阅读说明：本技术 一种便于仿古建筑安装的燕尾檐钢构 (Forked tail eaves steel constructs convenient to archaize building installation ) 是由 林万欣 林勇敏 黄晓丹 庄紫阳 詹晓琳 张艳龙 于 2020-12-21 设计创作，主要内容包括：本发明属于建筑结构技术领域,具体的说是一种便于仿古建筑安装的燕尾檐钢构,包括硬山顶和钢构燕尾檐；所述硬山顶的两端端部上均开设有第一凹槽；所述钢构燕尾檐焊接在钢板上；所述钢板远离钢构燕尾檐的侧壁上固接有安装柱；所述安装柱内设置有安装机构；所述钢构燕尾檐通过安装机构安装在第一凹槽内；所述安装机构包括第一空腔和卡位组件；所述第一凹槽两侧侧壁上均开设有第一卡位槽；所述第一空腔开设在安装柱内；本发明提供一种便于仿古建筑安装的燕尾檐钢构,解决钢构燕尾檐安装在硬山顶两端端部时,采用的焊接的方式,燕尾檐焊接安装工艺复杂,而且安装不便,导致工人浪费大量的工作时间,高空作业也增加了工作的风险性的问题。(The invention belongs to the technical field of building structures, and particularly relates to a dovetail eave steel structure convenient for mounting of an antique building, which comprises a hard crest and a steel dovetail eave; the end parts of two ends of the hard mountain top are both provided with a first groove; the steel-structure dovetail eaves are welded on the steel plate; the side wall of the steel plate, which is far away from the steel dovetail eave, is fixedly connected with a mounting column; an installation mechanism is arranged in the installation column; the steel-structure dovetail eave is arranged in the first groove through an installation mechanism; the mounting mechanism comprises a first cavity and a clamping component; the side walls of the two sides of the first groove are respectively provided with a first clamping groove; the first cavity is formed in the mounting column; the invention provides a dovetail eave steel structure convenient for mounting of an antique building, and solves the problems that when a steel dovetail eave is mounted at the end parts of two ends of a hard mountain top, the adopted welding mode is complex, the dovetail eave welding and mounting process is complex, the mounting is inconvenient, a large amount of working time is wasted for workers, and the work risk is increased due to high-altitude operation.)

1. A dovetail eave steel structure convenient for mounting of an antique building is characterized by comprising a hard crest (1) and a steel dovetail eave (2); the end parts of two ends of the hard mountain top (1) are respectively provided with a first groove (11); the steel-structure dovetail eaves (2) are welded on the steel plate (3); the side wall of the steel plate (3) far away from the steel dovetail eave (2) is fixedly connected with a mounting column (4); an installation mechanism (5) is arranged in the installation column (4); the steel-structure dovetail eave (2) is arranged in the first groove (11) through an installation mechanism (5); the mounting mechanism (5) comprises a first cavity (51) and a detent assembly (56); the side walls of the two sides of the first groove (11) are respectively provided with a first clamping groove (55); the first cavity (51) is arranged in the mounting column (4); a fixed block (52) is fixedly connected to the inner side wall of the first cavity (51) far away from the steel plate (3); the fixed block (52) is fixedly connected to the center of the inner side wall of the first cavity (51); through grooves (53) are formed in the inner side walls of the top end and the bottom end of the first cavity (51); two side walls of the fixed block (52) are fixedly connected with clamping blocks (54) through springs; the clamping block (54) is connected to the inner wall, away from the steel-structure dovetail eave (2), of the first cavity (51) in a sliding mode, and the clamping block (54) is connected in the through groove (53) in a sliding mode; a clamping component (56) is arranged in the first cavity (51); the clamping assembly (56) fixes the clamping block (54) through clamping, and when the clamping assembly (56) fixes the clamping block (54), the spring on the clamping block (54) is in a compressed state.

2. The dovetail eave steel structure convenient for archaizing building installation of claim 1, wherein the retaining assembly (56) comprises; a first push plate (561) is fixedly connected to the side wall, close to the steel plate (3), of the first cavity (51) through a spring; a clamping column (562) is fixedly connected to the side wall of the first push plate (561) far away from the spring; a second clamping groove (563) is formed in the side wall, close to the steel plate (3), of the clamping block (54); the clamping column (562) is clamped in the second clamping groove (563), and at the moment, a spring on the first push plate (561) is in a natural state; a first connecting rod (564) is fixedly connected to the center of the side wall of the first push plate (561) far away from the spring; the end part of the first connecting rod (564) far away from the first push plate (561) penetrates through the fixing block (52) and the side wall of the first cavity (51) to extend out of the mounting column (4), and is fixedly connected with a first pressing plate (565).

3. The dovetail eave steel structure convenient for mounting of an archaized building is characterized in that a pair of symmetrically distributed guide posts (57) is fixedly connected to the side wall, close to the steel plate (3), of the first cavity (51); the guide post (57) penetrates through the first push plate (561); the first push plate (561) is connected on the guide post (57) in a sliding mode.

4. The dovetail eave steel structure convenient for archaize building installation according to claim 3, wherein the end of the clamping block (54) far away from the fixing block (52) is an arc-shaped end.

5. The dovetail eave steel structure convenient for mounting of an antique building is characterized in that sliding grooves (58) are formed in two sides of the first groove (11); the planes of the sliding groove (58) and the first clamping groove (55) are vertical to each other; and a sliding rod (59) is arranged at the position of the mounting column (4) relative to the sliding groove (58).

6. The dovetail eave steel structure convenient for archaizing building installation according to claim 5, wherein the installation column (4) is provided with a second cavity (6); the second cavity (6) is positioned between the first cavity (51) and the steel plate (3); a glue bag (61) is fixedly connected to the side wall of the second cavity (6) close to the steel plate (3); the glue bag (61) is communicated with the through groove (53) through the first hose (62), the connection point is positioned on the side wall close to the second clamping groove (563), and when the clamping block (54) is in a clamping state, the clamping block (54) seals the connection position of the first hose (62) and the through groove (53); a second pressing plate (63) is fixedly connected to the side wall, close to the first cavity (51), of the second cavity (6) through a spring, and the spring on the second pressing plate is in a compressed state at the moment when the capsule (61) is in a sealed state; the bottom end of the clamping groove is communicated with the arc-shaped end of the clamping block (54) through a second hose (64).

7. The dovetail eave steel structure convenient for archaizing building installation according to claim 6, wherein the second hose (64) is a Y-shaped pipe; the bottom end of the second hose (64) is connected with a second clamping groove (563), and the top end of the second hose is connected with the arc-shaped end of the clamping block (54).

8. The dovetail eave steel structure convenient for mounting of the archaized buildings is characterized in that a sealing layer (65) is fixedly connected to the side wall of the steel plate (3) where the mounting column (4) is located; the sealing layer (65) is located around the mounting post (4).

Technical Field

The invention belongs to the technical field of building structures, and particularly relates to a dovetail eave steel structure convenient for mounting of an antique building.

Background

Modern archaize building mainly uses reinforced concrete structure as major structure, increases the forked tail eaves molding of traditional ancient building style as decorating at the facade outward to reach an effect modelled after an antique, the forked tail eaves is as the indispensable element of ancient building.

Also some technical scheme about building structure have appeared among the prior art, as an application number is 201621386482X's a chinese patent discloses an archaize building steel construction cornice rake angle, including the primary structure spare, there is the steel sheet one side of primary structure spare through expansion bolts swing joint, the utility model relates to a building structure technical field. This archaize building steel construction cornice rake angle, form the rake angle skeleton through L1 steel and L2 steel welding, rake angle skeleton welding is on the steel sheet, the realization satisfies the accuracy of perk foot square sample and location, three-dimensional curved surface line reaches the arc effect of design, remaining material in the usable decoration and finishing work process of the material of choosing for use, or utilize the material that other engineering left over, thereby reduce cost, improve finished product quality, the aesthetic property, save construction material, the aspect effect such as reduction of erection time is showing, through expansion bolts connection between steel sheet and the primary structure spare, realize satisfying the accuracy of perk foot laying-out and location, be applicable to frame construction, the low floor of shear wall structure, multiple building structure such as high-rise building.

In the prior art, when steel-structure dovetail eaves are installed at the end parts of two ends of a hard mountain top, the adopted welding mode has the disadvantages of complex dovetail eaves welding installation process and inconvenient installation, so that workers waste a large amount of working time, and the risk of work is increased due to high-altitude operation.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that when a steel-structure dovetail eave is installed at the end parts of two ends of a hard mountain top, the adopted welding mode is complex, the dovetail eave welding installation process is complex, the installation is inconvenient, a large amount of working time is wasted for workers, and the risk of work is increased due to high-altitude operation, the dovetail eave steel structure convenient for the installation of an antique building is provided by the invention.

The technical scheme adopted by the invention for solving the technical problems is as follows: the dovetail eave steel structure convenient for mounting of the antique building comprises a hard crest and a steel dovetail eave; the end parts of two ends of the hard mountain top are both provided with a first groove; the steel-structure dovetail eaves are welded on the steel plate; the side wall of the steel plate, which is far away from the steel dovetail eave, is fixedly connected with a mounting column; an installation mechanism is arranged in the installation column; the steel-structure dovetail eave is arranged in the first groove through an installation mechanism; the mounting mechanism comprises a first cavity and a clamping component; the side walls of the two sides of the first groove are respectively provided with a first clamping groove; the first cavity is formed in the mounting column; a fixed block is fixedly connected to the inner side wall of the first cavity far away from the steel plate; the fixed block is fixedly connected to the center of the inner side wall of the first cavity; through grooves are formed in the inner side walls of the top end and the bottom end of the first cavity; clamping blocks are fixedly connected to the two side walls of the fixed block through springs; the clamping block is connected to the inner wall, away from the steel dovetail eave, of the first cavity in a sliding mode, and the clamping block is connected in the through groove in a sliding mode; a clamping component is arranged in the first cavity; the clamping assembly fixes the clamping block through clamping, and when the clamping assembly fixes the clamping block, a spring on the clamping block is in a compressed state; the during operation, when the installation steel constructs the forked tail eaves, in the first recess on the hard crest of erection column disect insertion, when the erection column was to first recess bottom, the screens subassembly was removed this moment, and the screens piece pops out the screens piece under the effect of spring, and the screens piece is gone into first screens inslot through leading to the groove card, constructs the forked tail eaves with whole steel and installs fixedly, and mounting process is simple and convenient, reduces staff's high altitude construction's risk.

Preferably, the clamping component comprises; a first push plate is fixedly connected to the side wall of the first cavity, which is close to the steel plate, through a spring; a clamping column is fixedly connected to the side wall of the first push plate far away from the spring; a second clamping groove is formed in the side wall, close to the steel plate, of the clamping block; the clamping column is clamped into the second clamping groove, and the spring on the first push plate is in a natural state at the moment; a first connecting rod is fixedly connected to the center of the side wall of the first push plate, which is far away from the spring; the end part of the first connecting rod, far away from the first push plate, penetrates through the fixed block and the side wall of the first cavity to extend out of the mounting column, and is fixedly connected with a first pressing plate; the during operation, when the erection column pushes first recess in, at the first recess lateral wall of first clamp plate line contact, continue to promote the erection column, first clamp plate promotes first push pedal through the head rod and removes toward the erection column opposite direction this moment, it breaks away from the second screens inslot to drive the screens post, remove the fixed to the screens piece, let the screens piece get into first screens inslot through leading to the groove, fixed whole steel constructs the forked tail eaves, utilize the drive force of erection column body to fix whole steel structure forked tail eaves, the installation is quick, save installation time, and work efficiency is improved.

Preferably, a pair of guide posts which are symmetrically distributed is fixedly connected to the side wall of the first cavity, which is close to the steel plate; the guide post penetrates through the first push plate; the first push plate is connected on the guide post in a sliding manner; the during operation, first push pedal slides on the guide pillar when being promoted by the head rod, guarantees that the moving direction can not produce the skew, avoids causing the screens post to can not break away from the screens groove, and the screens piece is died by the card, can't fix the emergence of the condition of whole steel structure forked tail eaves.

Preferably, the end part of the clamping block, which is far away from the fixed block, is an arc-shaped end; the during operation, when the screens state of screens subassembly contact pair screens piece, the screens piece can pop out the very first time under the spring action of spring, and the screens piece can slide then the card goes into first screens inslot on the lateral wall of first recess this moment, and the arc end slides on first recess lateral wall, can reduce the frictional force that slides the production, makes things convenient for the steel to construct the forked tail eaves and installs.

Preferably, sliding grooves are formed in two sides of the first groove; the planes of the sliding groove and the first clamping groove are mutually vertical; a sliding rod is arranged at the position of the mounting column relative to the sliding groove; the during operation, in the erection column installation, the slide bar can slide in the spout, guarantees the moving direction of erection column, the condition of skew can not appear, avoids leading to the condition that the dislocation appears in groove and the first screens groove, practices thrift the installation time that the steel constructs the forked tail eaves, also can guarantee in addition that the installation angle that the steel constructs the forked tail eaves can not take place the skew.

Preferably, the mounting column is provided with a second cavity; the second cavity is positioned between the first cavity and the steel plate; a glue bag is fixedly connected to the side wall of the second cavity, which is close to the steel plate; the glue bag is communicated with the through groove through the first hose, the connecting point is positioned on the side wall close to the second clamping groove, and when the clamping block is in a clamping state, the clamping block seals the connecting position of the first hose and the through groove; a second pressing plate is fixedly connected to the side wall, close to the first cavity, of the second cavity through a spring, and the spring on the second pushing plate is in a compressed state at the moment when the glue capsule is in a sealed state; the bottom end of the clamping groove is communicated with the arc-shaped end of the clamping block through a second hose; when the novel steel dovetail groove sealing device works, when a clamping block is released from a clamping state and clamped into a first clamping groove, the first hose and the connecting part of the through groove are just opposite to a second clamping groove, the sealing state of the first hose is released, the second pressing plate extrudes the glue bag under the action of the spring at the moment, glue in the glue bag enters the second clamping groove from the first hose, the glue enters the first clamping groove from the second clamping groove through the second hose, the clamping block and the clamping position of the first clamping groove are cast, gaps between the mounting columns and the first grooves are filled with surplus glue, the glue is further used for fixing the clamping block in the fixed state of the first clamping groove, the mounting firmness is ensured, the gaps between the first grooves and the mounting columns are filled with glue, the rocking of steel pressure dovetail eaves can be avoided, and the stable state of the steel dovetail is ensured.

Preferably, the second hose is a Y-shaped pipe; the bottom end of the second hose is connected with a second clamping groove, and the top end of the second hose is connected with an arc-shaped end of the clamping block; during operation, glue gets into screens piece arc end from the second screens groove through the second hose, and at getting into first screens inslot, the Y venturi tube guarantees that glue gets into first screens inslot from the both sides of arc end, avoids the arc end to support first screens inslot and seals, leads to the emergence of the unable condition that flows of glue.

Preferably, a sealing layer is fixedly connected to the side wall of the steel plate where the mounting column is located; the sealing layer is positioned around the mounting post; the during operation, when the erection column is installed, the sealing layer seals the steel sheet and the contact surface of hard mountain top, guarantees that inside glue can not discharge from the gap, also avoids external environment moisture to get into first recess in, corrodes the erection column, increases the life of steel structure forked tail eaves.

The invention has the following beneficial effects:

1. according to the dovetail eave steel structure convenient for mounting of the antique building, the steel structure dovetail eave can be rapidly mounted through the mounting mechanism, the mounting process is simple and convenient, the mounting time of workers is saved, the risk of high-altitude operation of the workers is reduced, and the working efficiency of the steel structure dovetail eave is also improved.

2. According to the dovetail eave steel structure convenient for mounting of the antique building, the glue in the glue bag can further fix the fixing state of the clamping block in the first clamping groove, so that the mounting firmness is ensured, the gap between the mounting column and the first groove can be filled, the gap between the first groove and the mounting column can be filled with the glue, the steel structure can be prevented from pressing the dovetail eave to shake, and the stable state of the steel structure dovetail eave is ensured.

3. According to the dovetail eave steel structure convenient for mounting of the antique building, the contact surface of the steel plate and the hard mountain top is sealed through the sealing layer, so that internal glue is prevented from being discharged from a gap, external environment moisture is prevented from entering the first groove to corrode the mounting column, and the service life of the steel dovetail eave is prolonged.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is an enlarged view of area B of FIG. 2;

FIG. 4 is a top view of the present invention;

in the figure: 1. hard mountain tops; 11. a first groove; 2. a steel dovetail eave; 3. a steel plate; 4. mounting a column; 5. an installation mechanism; 51. a first cavity; 52. a fixed block; 53. a through groove; 54. a bit block; 55. a first clamping groove; 56. a clamping component; 561. a first push plate; 562. a position clamping column; 563. a second clamping groove; 564. a first connecting rod; 565. a first platen; 57. a guide post; 58. a chute; 59. a slide bar; 6. a second cavity; 61. a capsule of glue; 62. a first hose; 63. a second platen; 64. a second hose; 65. and (7) sealing the layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the dovetail eave steel structure convenient for mounting of the antique building comprises a hard crest 1 and a steel dovetail eave 2; the end parts of two ends of the hard mountain top 1 are both provided with a first groove 11; the steel-structure dovetail eaves 2 are welded on the steel plate 3; the side wall of the steel plate 3, which is far away from the steel dovetail eave 2, is fixedly connected with a mounting column 4; an installation mechanism 5 is arranged in the installation column 4; the steel-structure dovetail eave 2 is arranged in the first groove 11 through an installation mechanism 5; the mounting mechanism 5 includes a first cavity 51 and a detent assembly 56; the side walls of the two sides of the first groove 11 are both provided with a first clamping groove 55; the first cavity 51 is arranged in the mounting column 4; a fixed block 52 is fixedly connected to the inner side wall of the first cavity 51 far away from the steel plate 3; the fixed block 52 is fixedly connected to the center of the inner side wall of the first cavity 51; through grooves 53 are formed in the inner side walls of the top end and the bottom end of the first cavity 51; two side walls of the fixed block 52 are fixedly connected with clamping blocks 54 through springs; the clamping block 54 is connected to the inner wall, far away from the steel dovetail eave 2, of the first cavity 51 in a sliding mode, and the clamping block 54 is connected in the through groove 53 in a sliding mode; a clamping component 56 is arranged in the first cavity 51; the clamping component 56 fixes the clamping block 54 through clamping, and when the clamping component 56 fixes the clamping block 54, a spring on the clamping block 54 is in a compressed state; the during operation, when the installation steel constructs forked tail eaves 2, in the first recess 11 on the 1 hard crest of erection column 4 disect insertion, when erection column 4 is to first recess 11 bottom, screens subassembly 56 is relieved this moment, screens piece 54 pops out screens piece 54 under the effect of spring, screens piece 54 blocks into first screens groove 55 through leading to groove 53 in, it is fixed to install whole steel structure forked tail eaves 2, and mounting process is simple and convenient, reduces staff's high altitude construction's risk.

As an embodiment of the present invention, the detent assembly 56 includes; a first push plate 561 is fixedly connected to the side wall of the first cavity 51 close to the steel plate 3 through a spring; a clamping column 562 is fixedly connected to the side wall of the first pushing plate 561 away from the spring; a second clamping groove 563 is formed in the side wall, close to the steel plate 3, of the clamping block 54; the locking column 562 is locked in the second locking groove 563, and at this time, the spring on the first pushing plate 561 is in a natural state; a first connecting rod 564 is fixedly connected to the center of the side wall of the first push plate 561 away from the spring; the end part of the first connecting rod 564 far away from the first pushing plate 561 penetrates through the fixing block 52 and the side wall of the first cavity 51 to extend out of the mounting post 4, and is fixedly connected with a first pressing plate 565; the during operation, in the first recess 11 of erection column 4 pushings, at the first clamp plate 565 line contact first recess 11 lateral wall, continue to promote erection column 4, first clamp plate 565 promotes first push pedal 561 through head rod 564 and removes toward 4 opposite directions of erection column this moment, drive screens post 562 break away from in second screens groove 563, remove the fixed of counterpoint piece 54, let screens piece 54 get into first screens groove 55 through leading to groove 53 in, fixed whole steel constructs forked tail eaves 2, utilize the driving force of erection column 4 body to fix whole steel structure forked tail eaves 2, the installation is quick, save installation time, and the work efficiency is improved.

As an embodiment of the present invention, a pair of symmetrically distributed guide posts 57 is fixed to the side wall of the first cavity 51 close to the steel plate 3; the guide post 57 penetrates through the first push plate 561; the first pushing plate 561 is connected on the guide post 57 in a sliding manner; during operation, first push pedal 561 slides on guide pillar 57 when being promoted by first connecting rod 564, guarantees that the moving direction can not produce the skew, avoids causing screens post 562 can not break away from the screens groove, and screens piece 54 is died by the card, the emergence of the unable whole steel structure forked tail eaves 2's of fixing condition.

As an embodiment of the present invention, the end of the retention block 54 away from the retention block 52 is an arc-shaped end; during operation, when screens subassembly 56 contacts the screens state to screens piece 54, screens piece 54 can pop out the very first time under the spring force effect of spring, and screens piece 54 may slide then block in first screens groove 55 on the lateral wall of first recess 11 this moment, and the arc end slides on first recess 11 lateral wall, can reduce the frictional force that slides the production, makes things convenient for steel structure forked tail eaves 2 to install.

As an embodiment of the present invention, sliding grooves 58 are formed on both sides of the first groove 11; the planes of the sliding groove 58 and the first clamping groove 55 are perpendicular to each other; a sliding rod 59 is arranged at the position of the mounting column 4 relative to the sliding groove 58; during operation, in erection column 4 installation, slide bar 59 can slide in spout 58, guarantees the moving direction of erection column 4, the condition of skew can not appear, avoids leading to groove 53 and the condition that the dislocation appears in first screens groove 55, practices thrift the installation time of steel structure forked tail eaves 2, also can guarantee in addition that the installation angle of steel structure forked tail eaves 2 can not take place the skew.

As an embodiment of the present invention, the mounting post 4 is opened with a second cavity 6; the second cavity 6 is positioned between the first cavity 51 and the steel plate 3; a glue bag 61 is fixedly connected to the side wall of the second cavity 6 close to the steel plate 3; the capsule 61 is communicated with the through groove 53 through the first hose 62, the connection point is positioned on the side wall close to the second clamping groove 563, and when the clamping block 54 is in the clamping state, the clamping block 54 seals the connection position of the first hose 62 and the through groove 53; a second pressing plate 63 is fixedly connected to the side wall of the second cavity 6 close to the first cavity 51 through a spring, and the spring on the second pushing plate is in a compressed state at the moment when the glue bag 61 is in a sealed state; the bottom end of the clamping groove is communicated with the arc-shaped end of the clamping block 54 through a second hose 64; when the automatic sealing device works, when the clamping block 54 is released from the clamping state and clamped into the first clamping groove 55, the joint of the first hose 62 and the through groove 53 is opposite to the second clamping groove 563, the sealing state of the first hose 62 is released, at the moment, the second pressing plate 63 extrudes the glue bag 61 under the action of the spring, the glue in the glue bag 61 enters the second clamping groove 563 from the first hose 62, get into first screens groove 55 in through second hose 64 from second screens groove 563, the screens department of casting screens piece 54 and first screens groove 55, the gap between erection column 4 and the first recess 11 is filled to unnecessary glue, utilize glue further to fix the stationary state of screens piece 54 at first screens groove 55, guarantee the fastness of installation, the gap between glue filling first recess 11 and the erection column 4 can avoid rocking of steel structure pressure forked tail eaves, guarantee the steady state of steel structure forked tail eaves 2.

As an embodiment of the present invention, the second hose 64 is a Y-shaped pipe; the bottom end of the second hose 64 is connected with a second clamping groove 563, and the top end thereof is connected with the arc-shaped end of the clamping block 54; during operation, glue gets into screens piece 54 arc end through second hose 64 from second screens groove 563, and in getting into first screens groove 55, the Y-shaped pipe guarantees that glue gets into first screens groove 55 from the both sides of arc end in, avoids the arc end to support and seals in first screens groove 55, leads to the emergence of the unable condition that flows of glue.

As an embodiment of the present invention, a sealing layer 65 is fixedly connected to the side wall of the steel plate 3 where the mounting post 4 is located; the seal layer 65 is located around the mounting post 4; during operation, when installing erection column 4, the sealing layer 65 seals the steel sheet 3 and the contact surface of hard mountain top 1, guarantees that inside glue can not discharge from the gap, also avoids external environment moisture to get into first recess 11 in, corrodes erection column 4, increases the life of steel structure forked tail eaves 2.

The working principle is as follows: during operation, when the steel-structure dovetail eave 2 is installed, when the installation column 4 is pushed into the first groove 11, the first pressing plate 565 is in line contact with the side wall of the first groove 11, the installation column 4 is continuously pushed, at the moment, the first pressing plate 565 pushes the first pushing plate 561 to move in the opposite direction of the installation column 4 through the first connecting rod 564 to drive the clamping column 562 to be separated from the second clamping groove 563, the fixing of the clamping block 54 is released, the clamping block 54 pops out of the clamping block 54 under the action of the spring, the clamping block 54 is clamped into the first clamping groove 55 through the through groove 53, the whole steel-structure dovetail eave 2 is installed and fixed, the installation process is simple and convenient, and the risk of high-altitude operation of workers is reduced; when the automatic sealing device works, when the clamping block 54 is released from the clamping state and clamped into the first clamping groove 55, the joint of the first hose 62 and the through groove 53 is opposite to the second clamping groove 563, the sealing state of the first hose 62 is released, at the moment, the second pressing plate 63 extrudes the glue bag 61 under the action of the spring, the glue in the glue bag 61 enters the second clamping groove 563 from the first hose 62, get into first screens groove 55 in through second hose 64 from second screens groove 563, the screens department of casting screens piece 54 and first screens groove 55, the gap between erection column 4 and the first recess 11 is filled to unnecessary glue, utilize glue further to fix the stationary state of screens piece 54 at first screens groove 55, guarantee the fastness of installation, the gap between glue filling first recess 11 and the erection column 4 can avoid rocking of steel structure pressure forked tail eaves, guarantee the steady state of steel structure forked tail eaves 2.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.