Safety protection device provided with H-shaped steel beam and used for high-altitude operation of building structure

Abstract

The utility model discloses a safety protection device for high-altitude operation of a building structure with an H-shaped steel beam, belongs to the field of high-altitude operation safety protection, and aims to solve the problem that only two layers of lifeline arrangement within the full range of a high-altitude construction operation surface can be realized in the conventional building structure. Comprising a base, the base is formed by sequentially connecting a top plate part, a side plate part and a bottom plate part, a clamping assembly is arranged on the bottom plate part and comprises a clamping plate piece, the clamping plate piece and the top plate part clamp or loosen an upper end flange plate of an H-shaped steel beam, a vertical rod and two safety flat net wiring rings are arranged on the rear side of the base, and a plurality of lifeline threading rings are arranged on the vertical rod at intervals. The safety flat net fixing assembly is connected with the base, and safety flat net tying holes are formed in the safety flat net fixing assembly. The two safety flat net wiring rings and the safety flat net bolting holes are all used for achieving bolting of the safety flat net on the two sides of the H-shaped steel beam flange plate, and a plurality of safety flat net wiring rings are used in cooperation to achieve arrangement of the safety lifeline and the safety flat net in the whole construction range.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high altitude operation safety protection field, especially relate to a kind of safety protection device for high altitude operation of building structure with H-shaped steel beam. BACKGROUND

[0002] Steel structure engineering is one of important building structure types of modern building, and is one of more common structure forms in modern building engineering, and H-shaped steel beam structure is widely applied in workshop, multi high-rise public building, and existing safety protection structure can only realize the arrangement of two life lines in full range of construction operation surface, and cannot realize the arrangement of safety flat net in full range of construction operation surface, so there is an urgent need for H-shaped steel beam structure building construction safety protection structure solution to ensure that life line and safety flat net arrangement in full range of construction operation surface can be carried out simultaneously. INVENTION CONTENTS

[0003] The utility model aims at providing a kind of safety protection device for high altitude operation of building structure with H-shaped steel beam to solve the problem that existing building structure can only realize the arrangement of two life lines in full range of high altitude construction operation surface.The technical scheme adopted by the utility model is as follows:

[0004] A kind of safety protection device for high altitude operation of building structure with H-shaped steel beam, including base, clamping component and safety flat net fixed component, base is sequentially connected by top plate part, side plate part and bottom plate part and is formed into " " character shape structure, the " " character shape structure opening of setting base is set to face forward, the top plate part lower end surface of base is in abutment with the upper end surface of H-shaped steel beam upper end flange plate, the bottom plate part of base is provided with clamping component, the rear side of base is provided with vertical rod and two safety flat net terminal ring, vertical rod is provided with several life line threading loops at intervals, safety flat net fixed component is connected with base, and safety flat net fixed component is provided with safety flat net hitching hole;

[0005] The clamping assembly comprises a first lower swing arm, a second lower swing arm, a first upper swing arm, a second upper swing arm and a clamping plate, the clamping plate is below the upper end flange plate of the H-shaped steel beam, the lower ends of the first lower swing arm and the second lower swing arm are respectively hinged to the left part and the right part of the bottom plate part through lower pins, the upper end of the first lower swing arm is inclined to the left, the upper end of the second lower swing arm is inclined to the right, the upper ends of the first upper swing arm and the second upper swing arm are respectively hinged to the left part and the right part of the clamping plate through upper pins, the lower end of the first upper swing arm is inclined to the left, the lower end of the second upper swing arm is inclined to the right, the lower end of the first upper swing arm and the upper end of the first lower swing arm are hinged through a left pin shaft, the lower end of the second upper swing arm and the upper end of the second lower swing arm are hinged through a right pin shaft, the two lower pins, the two upper pins, the left pin shaft and the right pin shaft are the same in the axial direction, the left pin shaft is provided with a lifting hinge hole, the right pin shaft is provided with a lifting screw hole, the drive shaft rod is composed of a quadrangular prism segment, a shaft shoulder, a light shaft segment and a screw rod segment connected in sequence from left to right, the light shaft segment is rotationally connected with the lifting hinge hole, the screw rod segment is threadedly connected with the lifting screw hole, the right end surface of the shaft shoulder abuts against the left side of the outer periphery of the left pin shaft, when the quadrangular prism segment is screwed, the left pin shaft and the right pin shaft are close to or away from each other, thereby driving the clamping plate to rise to clamp the upper end flange plate of the H-shaped steel beam or to fall to release the upper end flange plate of the H-shaped steel beam.

[0006] Further, the safety flat net fixing assembly comprises a connecting arm, the connecting arm is provided in front and back, the rear end of the connecting arm is connected with the top plate part, the safety flat net bolt hole is arranged at the front end of the connecting arm, when the top plate part and the clamping plate clamp the rear side of the upper end flange plate of the H-shaped steel beam, the safety flat net bolt hole protrudes from the front side of the upper end flange plate of the H-shaped steel beam.

[0007] Further, the rear end of the connecting arm is rotationally connected with the top plate part through a welded hinge, the front end of the top plate part is provided with a quick release screw hole, the quick release screw passes through the middle part of the connecting arm downwardly and is detachably connected with the quick release screw hole.

[0008] Further, the connecting arm is provided with a sheath, the quick release screw passes through the connecting arm from the inner periphery of the sheath, a limiting cover plate seals the upper opening of the sheath, the head of the quick release screw is between the limiting cover plate and the connecting arm, the limiting cover plate is provided with a wrench insertion hole, the diameter of the wrench insertion hole is smaller than the outer edge of the head of the quick release screw, when the head of the quick release screw abuts against the limiting cover plate, the quick release screw is inserted into the connecting arm, and the threaded end surface of the quick release screw is higher than the lower end surface of the connecting arm.

[0009] Further, the bottom plate part is provided with an upper and lower through hinge slot, the lower ends of the first lower swing arm and the second lower swing arm are inserted into the hinge slot, the two lower pins pass through the hinge slot from front to back and are connected with the bottom plate part.

[0010] Further, the vertical rod and the base are connected through a plurality of triangular reinforcing plates.

[0011] Further, the left pin shaft and the right pin shaft are both provided with end covers, and the outer diameter of the end cover is larger than the outer diameter of the corresponding left pin shaft or right pin shaft.

[0012] Further, the vertical rod is welded with the side plate part.

[0013] Further, the life line threading loops are divided into groups, and the groups of life line threading loops are vertically arranged at intervals of 600 mm.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The four-prism section is used for cooperating with the socket of the wrench, so as to rotate the driving shaft rod, drive the left pin shaft and the right pin shaft to approach or move away, and then push the clamping plate up and down to realize the clamping or loosening of the upper flange plate of the H-shaped steel beam by cooperating with the upper plate part of the base; the open base can adapt to H-shaped steel beams with various cross-sectional widths and flange widths, so as to ensure the wide applicability of the utility model; the life line threading loop is firmly welded on the back side of the base and used for threading the life line; the two safety net connecting rings and the safety net knotting holes are used for knotting the safety net on the two sides of the H-shaped steel beam flange plate; and the multiple utility models are used in cooperation, so as to realize the arrangement of the safety life line and the safety net in the overall construction range.

[0016] 2. When the project construction does not need to arrange the safety net, the connecting arm can be detached from the top plate part, the safety net fixing assembly is rotated to the vertical state through the welded hinge, and is bound and fixed with the vertical rod, so as to avoid damaging the safety net fixing assembly and causing danger due to the interference of the construction work.

[0017] 3. The wrench can be rotated through the wrench insertion hole, so that the quick detachable connection between the connecting arm and the base can be realized, and the quick detachable screw can be prevented from falling off and being lost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the front view of the utility model;

[0019] Figure 2 is the top view of the utility model;

[0020] Figure 3 is the left view of the utility model;

[0021] Figure 4 is the front half sectional view of the base;

[0022] Figure 5 is the top view of the base;

[0023] Figure 6 is the left sectional view of the base;

[0024] Figure 7 is the front view of the clamping assembly;

[0025] Figure 8 is the top view of the clamping assembly;

[0026] Figure 9 is the left view of the clamping assembly;

[0027] Figure 10 is the front view of the clamping plate;

[0028] Figure 11 is the left view of the clamping plate;

[0029] Figure 12 is the left view of the left pin shaft and end cap;

[0030] Figure 13 is the left view of the right pin shaft and end cap;

[0031] Figure 14 is the structural diagram of the drive shaft rod;

[0032] Figure 15 is the structural diagram of the lower pin;

[0033] Figure 16 is the front view of the safety flat net fixing assembly;

[0034] Figure 17 is the left view of the safety flat net fixing assembly;

[0035] Figure 18 is the connection diagram of the vertical rod and the life line threading ring.

[0036] In the figure, 1. base, 2. clamping assembly, 3. safety flat net fixing assembly, 4. life line threading ring, 5. vertical rod, 6. safety flat net connecting ring, 7. clamping plate, 8. safety flat net hitch hole, 9. lower pin, 10. hinged notch, 11. quick release screw hole, 12. first lower swing arm, 13. second lower swing arm, 14. drive shaft rod, 15. end cap, 16. first upper swing arm, 17. second upper swing arm, 18. upper pin, 19. left pin shaft, 20. right pin shaft, 21. lifting hinge hole, 22. lifting screw hole, 23. screw rod section, 24. optical axis section, 25. shaft shoulder, 26. quick release screw, 27. connecting arm, 28. sheath, 29. limiting cover plate, 30. wrench insertion hole, 31. triangular reinforcing plate, 32. quadrangular prism section, 33. welded hinge. DETAILED DESCRIPTION

[0037] To make the purpose, technical solutions, and advantages of the present utility model clearer and more understandable, the present utility model will be described below through specific embodiments shown in the attached drawings. However, it should be understood that these descriptions are merely exemplary and do not limit the scope of the present utility model. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concept of the present utility model.

[0038] The connections mentioned in the present utility model are divided into fixed connections and detachable connections. The fixed connection is an inseparable connection, including but not limited to conventional fixed connection methods such as hemming connection, riveting connection, bonding connection, and welding connection. The detachable connection includes but not limited to conventional disassembly methods such as bolt connection, snap connection, pin connection, and hinge connection. When the specific connection method is not clearly defined, it is default that at least one connection method can be found among the existing connection methods to achieve this function, and those skilled in the art can select according to their needs. For example: for the fixed connection, welding connection is selected; for the detachable connection, bolt connection is selected. <000,0099>

[0039] The following will further elaborate on the present utility model in conjunction with the attached drawings. The following embodiments are explanations of the present utility model, and the present utility model is not limited to the following embodiments.

[0040] Embodiment: As Figures 1-18 shown, a safety protection device for high-altitude operation of a building structure with H-shaped steel beams includes a base 1, a clamping component 2, and a safety net fixing component 3. The base 1 is composed of a top plate part, a side plate part, and a bottom plate part connected in sequence to form a "C" - shaped structure. It is set that the opening of the "C" - shaped structure of the base 1 faces forward. The lower end surface of the top plate part of the base 1 abuts against the upper end surface of the upper flange plate of the H - shaped steel beam. A clamping component 2 is provided on the bottom plate part of the base 1. There are a vertical pole 5 and two safety net connection rings 6 on the rear side of the base 1. A number of lifeline threading coils 4 are arranged at intervals on the vertical pole 5. The safety net fixing component 3 is connected to the base 1, and a safety net tying hole 8 is provided on the safety net fixing component 3;

[0041] The clamping assembly 2 comprises a first lower swing arm 12, a second lower swing arm 13, a first upper swing arm 16, a second upper swing arm 17 and a clamping plate 7, the clamping plate 7 is below the upper end flange plate of the H-shaped steel beam, the lower ends of the first lower swing arm 12 and the second lower swing arm 13 are respectively hinged to the left part and the right part of the bottom plate part through the lower pins 9, the upper end of the first lower swing arm 12 is inclined to the left, the upper end of the second lower swing arm 13 is inclined to the right, the upper ends of the first upper swing arm 16 and the second upper swing arm 17 are respectively hinged to the left part and the right part of the clamping plate 7 through the upper pins 18, the lower end of the first upper swing arm 16 is inclined to the left, the lower end of the second upper swing arm 17 is inclined to the right, the lower end of the first upper swing arm 16 and the upper end of the first lower swing arm 12 are hinged through the left pin shaft 19, the lower end of the second upper swing arm 17 and the upper end of the second lower swing arm 13 are hinged through the right pin shaft 20, the axial directions of the two lower pins 9, the two upper pins 18, the left pin shaft 19 and the right pin shaft 20 are the same, the left pin shaft 19 is provided with a lifting hinge hole 21, the right pin shaft 20 is provided with a lifting screw hole 22, the driving shaft rod 14 is composed of a four-prism segment 32, a shaft shoulder 25, a light shaft segment 24 and a screw rod segment 23 connected in sequence from left to right, the light shaft segment 24 is rotationally matched with the lifting hinge hole 21, the screw rod segment 23 is threadedly matched with the lifting screw hole 22, the right end surface of the shaft shoulder 25 abuts against the outer circumferential left side of the left pin shaft 19, when the four-prism segment 32 is screwed, the left pin shaft 19 and the right pin shaft 20 are close to or far away from each other, thereby driving the clamping plate 7 to rise to clamp the upper end flange plate of the H-shaped steel beam or to fall to release the upper end flange plate of the H-shaped steel beam.

[0042] The four-prism segment 32 is used for matching the socket of a wrench, so as to screw the driving shaft rod 14, by screwing the driving shaft rod 14, the left pin shaft 19 and the right pin shaft 20 are close to or far away from each other, thereby driving the clamping plate 7 to move up and down, so as to realize the clamping or releasing of the upper flange plate of the H-shaped steel beam by the cooperation of the clamping plate 7 and the upper plate part of the base 1; the open design of the base 1 can adapt to H-shaped steel beams with various cross-sectional widths and flange widths, thereby ensuring the wide applicability of the utility model; the life line threading ring 4 is firmly welded at the back side of the base 1, which is used for threading the life line, the two safety net connecting rings 6 and the safety net hitching holes 8 are used for hitching the safety net on both sides of the flange plate of the H-shaped steel beam, and the multiple utility models are used in cooperation, so as to realize the arrangement of the safety life line and the safety net in the overall construction range.

[0043] The safety net fixing assembly 3 comprises a connecting arm 27, the connecting arm 27 is provided in front and back, the rear end of the connecting arm 27 is connected with the top plate part, the safety net hitching hole 8 is arranged at the front end of the connecting arm 27, when the top plate part and the clamping plate 7 clamp the rear side of the upper end flange plate of the H-shaped steel beam, the safety net hitching hole 8 protrudes from the front side of the upper end flange plate of the H-shaped steel beam.

[0044] The rear end of the connecting arm 27 is rotatably connected to the top plate part through a welded hinge 33, and the front end of the top plate part is provided with a quick-release screw hole 11. A quick-release screw 26 passes through the middle part of the connecting arm 27 downwardly and is detachably connected to the quick-release screw hole 11. Figure 3 The safety net fixing assembly 3 shown is in a working position. When the project construction does not need to arrange the safety net, the connecting arm 27 can be detached from the top plate part, the safety net fixing assembly 3 is rotated to a vertical state through the welded hinge 30, and is fixed by binding with the vertical rod 5, so as to avoid damaging the safety net fixing assembly 3 and causing danger due to the interference of the construction work.

[0045] A sheath 28 is arranged on the connecting arm 27, the quick-release screw 26 passes through the connecting arm 27 from the inner periphery of the sheath 28, a limiting cover plate 29 closes the upper opening of the sheath 28, the head of the quick-release screw 26 is between the limiting cover plate 29 and the connecting arm 27, the limiting cover plate 29 is provided with a wrench insertion hole 30, the diameter of the wrench insertion hole 30 is smaller than the outer edge of the head of the quick-release screw 26, when the head of the quick-release screw 26 abuts against the limiting cover plate 29, the quick-release screw 26 is inserted into the connecting arm 27, and the threaded end surface of the quick-release screw 26 is higher than the lower end surface of the connecting arm 27. The wrench can pass through the wrench insertion hole 30 to rotate the quick-release screw 26, so that the quick-release detachable connection between the connecting arm 27 and the base 1 is realized, and the quick-release screw 26 can be prevented from falling off and being lost.

[0046] The bottom plate part is provided with an upper and lower through hinge slot 10, the lower ends of the first lower swing arm 12 and the second lower swing arm 13 are inserted into the hinge slot 10, and two lower pins 9 pass through the hinge slot 10 from front to back and are connected to the bottom plate part. In this way, the purpose of tightly fixing the entire clamping assembly 2 on the base 1 is achieved, and the structure is simple and reliable.

[0047] The vertical rod 5 and the base 1 are connected through a plurality of triangular reinforcing plates 31.

[0048] The left pin shaft 19 and the right pin shaft 20 are each provided with an end cap 15, the outer diameter of the end cap 15 is larger than the outer diameter of the corresponding left pin shaft 19 or right pin shaft 20, so as to prevent the left pin shaft 19 or right pin shaft 20 from coming out.

[0049] The vertical rod 5 is welded with the side plate part, so that the vertical rod 5 supports and strengthens the side plate part.

[0050] A plurality of lifeline threading rings 4 are divided into groups every two, and a plurality of groups of lifeline threading rings 4 are arranged vertically and spaced 600mm apart, so as to realize the arrangement of two layers of lifelines on the entire construction work surface.

[0051] The above embodiment is only an exemplary description of the present application, and does not limit the protection scope thereof, and a person skilled in the art can also change a part of it, as long as it does not exceed the spirit of the present application, and is within the protection scope of the present application.

Claims

1. A safety protection device for high-altitude operations in building structures with H-shaped steel beams, characterized in that: The utility model provides a kind of safety flat net fixing assembly, including base (1), clamping component (2) and safety flat net fixing assembly (3), base (1) is by top plate portion, side plate portion and bottom plate portion sequentially connected and is formed into " " character shape structure, set the " " character shape structure opening of base (1) is set to front, the top plate portion lower end surface of base (1) is with the upper end surface of H-shaped steel beam upper end flange plate, bottom plate portion of base (1) is equipped with clamping component (2), rear side of base (1) is equipped with vertical rod (5) and two safety flat net terminal ring (6), vertical rod (5) is equipped with several lifeline threading ring (4) at interval, safety flat net fixing assembly (3) is connected with base (1), safety flat net fixing assembly (3) is equipped with safety flat net knotting hole (8); The clamping component (2) includes a first lower swing arm (12), a second lower swing arm (13), a first upper swing arm (16), a second upper swing arm (17), and a clamping plate (7). The clamping plate (7) is below the upper end flange plate of the H-shaped steel beam. The lower ends of the first lower swing arm (12) and the second lower swing arm (13) are respectively hinged to the left and right parts of the bottom plate portion by lower pins (9). The upper end of the first lower swing arm (12) is inclined to the left, and the upper end of the second lower swing arm (13) is inclined to the right. The upper ends of the first upper swing arm (16) and the second upper swing arm (17) are respectively hinged to the left and right parts of the clamping plate (7) by upper pins (18). The lower end of the first upper swing arm (16) is inclined to the left, and the lower end of the second upper swing arm (17) is inclined to the right. The lower end of the first upper swing arm (16) and the upper end of the first lower swing arm (12) are hinged by a left pin shaft (19). The lower end of the second upper swing arm (17) and the upper end of the second lower swing arm (13) are hinged by a right pin shaft (20). The two lower pins (9), the two upper pins (18), the left pin shaft (19), and the right pin shaft (20) have the same axial direction. The left pin shaft (19) is provided with a lifting hinge hole (21), and the right pin shaft (20) is provided with a lifting screw hole (22). A drive shaft (14) is composed of a four-prism segment (32), a shaft shoulder (25), a light shaft segment (24), and a screw segment (23) connected in order from left to right. The light shaft segment (24) is rotationally connected with the lifting hinge hole (21), and the screw segment (23) is threadedly connected with the lifting screw hole (22). The right end surface of the shaft shoulder (25) abuts against the left side of the outer periphery of the left pin shaft (19). When the four-prism segment (32) is screwed, the left pin shaft (19) and the right pin shaft (20) are close to or far away from each other, driving the clamping plate (7) to rise and clamp the upper end flange plate of the H-shaped steel beam or to lower and release the upper end flange plate of the H-shaped steel beam.

2. The safety guard for high altitude work on a building structure with H-shaped steel beams according to claim 1, characterized in that: The safety flat net fixing assembly (3) includes a connecting arm (27) arranged in front and back. The rear end of the connecting arm (27) is connected with the top plate portion. The safety flat net knotting hole (8) is arranged at the front end of the connecting arm (27). When the top plate portion and the clamping plate (7) clamp the rear side of the upper end flange plate of the H-shaped steel beam, the safety flat net knotting hole (8) protrudes from the front side of the upper end flange plate of the H-shaped steel beam.

3. A safety guard for overhead work on a building structure with H-steel beams according to claim 2, characterized in that: The rear end of the connecting arm (27) is rotatably connected with the top plate part through a welding hinge (33), and the front end of the top plate part is provided with a quick release screw hole (11). A quick release screw (26) passes through the middle part of the connecting arm (27) downward and is detachably connected with the quick release screw hole (11).

4. The safety guard for high work of a building structure with H-shaped steel beams according to claim 3, characterized in that: The connecting arm (27) is provided with a sheath (28), the quick release screw (26) passes through the connecting arm (27) from the inner periphery of the sheath (28), a limiting cover plate (29) closes the upper opening of the sheath (28), the cap head of the quick release screw (26) is between the limiting cover plate (29) and the connecting arm (27), the limiting cover plate (29) is provided with a wrench insertion hole (30), the diameter of the wrench insertion hole (30) is smaller than the outer edge of the cap head of the quick release screw (26), when the cap head of the quick release screw (26) abuts against the limiting cover plate (29), the quick release screw (26) is inserted into the connecting arm (27), and the threaded end face of the quick release screw (26) is higher than the lower end face of the connecting arm (27).

5. The safety guard for high work on a building structure with H-shaped steel beams according to claim 4, characterized in that: The bottom plate part is provided with an upper and lower through hinge slot (10), the lower ends of the first lower swing arm (12) and the second lower swing arm (13) are inserted into the hinge slot (10), and two lower pins (9) pass through the hinge slot (10) from front to back and are connected with the bottom plate part.

6. The safety guard for high work of a building structure with H-shaped steel beams according to claim 1, characterized in that: The vertical rod (5) and the base (1) are connected through a plurality of triangular reinforcing plates (31).

7. The safety guard for high work of a building structure with H-shaped steel beams according to claim 1, characterized in that: The left pin shaft (19) and the right pin shaft (20) are each provided with an end cover (15) at both ends, and the outer diameter of the end cover (15) is greater than the outer diameter of the corresponding left pin shaft (19) or right pin shaft (20).

8. The safety guard for overhead work on a building structure with H-steel beams according to claim 1, characterized in that: The vertical rod (5) is welded with the side plate part.

9. A safety guard for overhead work on a building structure with H-steel beams according to any one of claims 1-8, characterized in that: A plurality of life line threading rings (4) are divided into groups every two, and a plurality of groups of life line threading rings (4) are arranged vertically and spaced 600mm apart.

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