CN112431398B - Protective frame and aerial work safety device - Google Patents
Protective frame and aerial work safety device Download PDFInfo
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- CN112431398B CN112431398B CN202011258225.9A CN202011258225A CN112431398B CN 112431398 B CN112431398 B CN 112431398B CN 202011258225 A CN202011258225 A CN 202011258225A CN 112431398 B CN112431398 B CN 112431398B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 238000010276 construction Methods 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
- E04G3/265—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs with means to adapt it to a variable pitch of the roof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to the technical field of safety construction of constructional engineering, in particular to a protective frame and an overhead operation safety device. A protective rack, comprising: the first frame body is wound around and fixed on the periphery of the steel structure and is provided with a supporting structure extending towards the direction away from the steel structure, and the supporting structure is arranged close to the ground; the construction platform is arranged on the supporting structure and is horizontally arranged corresponding to the steel structure. According to the protective frame, the first frame body is utilized to enable the construction platform frame to be arranged on the steel structure, the structure is simple, the cost is low, the protective frame can be arranged right below a construction position required by the steel structure, the protective frame can be applicable to steel structures with any shapes, dead zones are avoided, and construction is facilitated.
Description
Technical Field
The invention relates to the technical field of safety construction of constructional engineering, in particular to a protective frame and an overhead operation safety device.
Background
Nowadays, steel construction engineering is increasingly paid attention to markets, especially house construction and bridge construction, however, there is often a great safety risk for high-altitude operations of more than 2 meters with complicated shapes. For high-altitude steel structure construction, horizontal channels, hanging cages, scaffolds, high-altitude operation vehicles and the like are generally used as safety protection. However, the horizontal channel and the hanging cage are only suitable for steel structures with relatively gentle structures; the scaffold is used as a construction and protection platform, so that the engineering quantity is huge, the required cost is high, the time consumption is long, and a great potential safety hazard exists in the construction process; the overhead working truck needs a plurality of cooperation construction, and the cost is great to can't cover narrow and small space and member staggered area, there is the blind area.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of high cost and operation blind area of the protection frame during construction of the existing high-altitude complex structure.
In order to solve the technical problems, the present invention provides a protection rack, comprising:
The first frame body is wound around and fixed on the periphery of the steel structure and is provided with a supporting structure extending towards the direction away from the steel structure, and the supporting structure is arranged close to the ground;
The construction platform is arranged on the supporting structure and is horizontally arranged corresponding to the steel structure;
the first frame body comprises a plurality of rod bodies which are sequentially arranged around the outside of the steel structure, two adjacent rod bodies are fixed through first connecting pieces, the end parts, close to the ground, of the rod bodies, extending out of the ground are crossed with a horizontal cross rod which is horizontally arranged to form the supporting structure, a second connecting piece is arranged at the intersection of the rod body and the cross rod, and the construction platform is arranged on the cross rod;
A force transmission structure is arranged between the rod body and the steel structure and comprises a fixing piece sleeved on the rod body, a plate body attached to the steel structure and a fastening piece used for connecting the fixing piece and the plate body;
The steel structure is characterized by further comprising a reinforcing structure arranged between the rod body and the steel structure, wherein the reinforcing structure comprises a tie rod fixedly connected with a connecting plate on the steel structure and a conversion rod vertically connected with the tie rod, and the conversion rod is fixedly connected with the rod body;
The first frame body comprises a first rod body, a second rod body, a third rod body and a fourth rod body which are wound on the periphery of the steel structure, a sixth rod body is arranged between the first rod body and the second rod body, the sixth rod body is perpendicular to the plane where the first rod body and the second rod body are located, the first rod body and the second rod body are connected with the sixth rod body through first connecting pieces, the first connecting pieces are provided with check buckles, the second rod body and the third rod body are connected with the fourth rod body through first connecting pieces, the fourth rod body and the first rod body are connected with each other in pairs, the first rod body, the second rod body, the third rod body and the fourth rod body are downwards extended to form a supporting structure, the supporting structure further comprises a cross rod, the cross rod is horizontally connected with the lower ends of the first rod body, the second rod body, the third rod body and the fourth rod body through second connecting pieces, and the construction platform is horizontally arranged on the cross rod body and is respectively arranged on two sides of the steel structure;
The construction platform comprises a flat plate and a pair of vertical plates, wherein the flat plate is fixedly bound with the cross rod, the vertical plates are perpendicular to the flat plate, the pair of vertical plates are respectively positioned at the left side and the right side of the flat plate, the left side and the right side of the construction platform are respectively provided with a first vertical rod and a second vertical rod, the second vertical rod is positioned outside the pair of construction platforms, the first vertical rod is positioned between the pair of construction platforms, the first vertical rod and the second vertical rod are vertically arranged and are connected with the cross rod through a third connecting piece, the upper end of the vertical plate is clamped with a clamping piece, and the clamping piece is respectively connected with the first vertical rod and the second vertical rod through a fourth connecting piece;
The fixing piece is a hoop, the fixing piece is provided with an arc-shaped extension part consistent with the shapes of the first rod body, the second rod body, the third rod body and the fourth rod body and a horizontal part attached to the plate body, the fixing piece is a bolt, and the horizontal part penetrating through the hoop is fastened with the plate body;
The reinforced structure comprises a pair of connecting plates welded on the steel structure, the connecting plates are perpendicular to the steel structure, the connecting plates are connected with connecting rods through fifth connecting pieces, the connecting rods are arranged in parallel with the connecting plates, the fifth connecting pieces are clamped on two sides of the connecting plates, one ends of the connecting rods are fixed with the connecting rods, the connecting rods are perpendicularly connected with conversion rods through sixth connecting pieces, and the conversion rods are connected with the second rods through seventh connecting pieces.
The novel steel structure is characterized by further comprising a second frame body connected with one side, close to the ground, of the first frame body, and the second frame body is arranged corresponding to the auxiliary structure of the steel structure.
The invention also provides a safety protection device for high-altitude operation, which comprises:
above-mentioned protection frame, the protection frame is followed the extending direction interval of steel construction is provided with a plurality of.
The construction platform extends along the arrangement direction of at least two first frame bodies which are arranged in sequence, and at least two first frame bodies and the construction platform form a protection unit.
A fifth rod body is connected between at least two first frame bodies in the protection unit.
The protection device is characterized by further comprising a connecting rod which is arranged at the periphery of the construction platform and is vertically arranged, and two adjacent protection units are sequentially connected through the connecting rod.
The connecting rod is connected with two adjacent support structures of two the protection units, which are close to each other, and the connecting rod is vertically arranged.
The technical scheme of the invention has the following advantages:
1. The protection frame comprises the first frame body and the construction platform, wherein the first frame body is wound and fixed on the periphery of the steel structure and extends towards the direction far away from the steel structure to form a supporting structure, the supporting structure is arranged close to the ground, the construction structure is arranged on the supporting structure and horizontally arranged corresponding to the steel structure, the construction platform is arranged on the steel structure by utilizing the first frame body, the protection frame is simple in structure and low in cost, can be installed under a construction position required by the steel structure, can be suitable for any-shaped steel structure, has no dead zone, and is convenient to construct.
2. The invention provides a protection frame, a first frame body comprises a plurality of rod bodies which are sequentially arranged around the outside of a steel frame, two adjacent rod bodies are fixedly connected through a first connecting piece, a supporting structure further comprises a cross rod which is horizontally connected with the end parts, close to the ground, of the plurality of rod bodies, a second connecting piece is arranged at the intersection of the rod bodies and the cross rod, a construction platform is arranged on the cross rod, a stable structure can be formed by utilizing the plurality of rod bodies and the cross rod, the construction platform is arranged on the cross rod, the distance between the construction platform and the steel structure can be adjusted by adjusting the connection position between the rod bodies, so that workers on the construction platform can conveniently construct, the cross rod and the plurality of rod bodies form stable support for the construction platform, and the structure is convenient to disassemble and assemble and can be recycled.
3. The invention provides a protection frame, wherein a force transmission structure is arranged between a rod body and a steel structure, the force transmission structure comprises a fixing piece sleeved on the rod body, a plate body attached to the steel structure and a fastening piece used for connecting the fixing piece and the plate body, and the plate body is additionally arranged between the rod body and the steel structure, so that the protection frame has the function of protecting the surface of the steel structure, and increases the friction force between the rod body and the steel structure, so that the connection between the rod body and the steel structure is more stable.
4. The invention provides a protection frame, wherein a reinforcing structure is arranged between a rod body and a steel structure, the reinforcing structure comprises a connecting rod fixedly connected with a connecting plate on the steel structure and a conversion rod vertically connected with the connecting rod, the conversion rod is fixedly connected with the rod body, and the steel structure and the rod body are connected through the connecting plate, the connecting rod and the conversion rod, so that the connection stability of the rod body and the steel structure is further enhanced while the surface of the steel structure is not influenced as much as possible.
5. The protective frame provided by the invention also comprises a second frame body connected with one side of the first frame body close to the ground, the second frame body is arranged corresponding to the auxiliary structure of the steel structure, the construction of the auxiliary structure is convenient,
6. According to the high-altitude operation safety protection device, the plurality of protection frames are arranged along the extending direction of the steel structure, the protection frames can be arranged at the positions required to be constructed, the construction of the steel structure is facilitated, the plurality of protection frames can be sequentially arranged on the steel structure on the ground, and then the steel structure and the protection frames are hoisted at the high-altitude operation position at the same time, so that the high-altitude installation of the protection frames is avoided, and the operation is simple and safe.
7. According to the high-altitude operation safety protection device provided by the invention, the construction platform is arranged in the arrangement direction of the cross bars of the at least two first frame bodies in an extending manner, the at least two first frame bodies and the construction platform form a protection unit, and the at least two first frame bodies are used for supporting the construction platform, so that the construction platform is more stable and safer.
8. According to the high-altitude operation safety protection device provided by the invention, the fifth rod body is connected between the at least two cross rods in the protection unit, so that the connection of the at least two first frame bodies in one protection unit is firmer.
9. According to the high-altitude operation safety protection device provided by the invention, the connecting rods are arranged on the periphery of the construction platform, two adjacent protection units are sequentially connected through the connecting rods, the connecting rods limit and strengthen the construction platform, and the stability among the protection units is enhanced.
10. According to the high-altitude operation safety protection device provided by the invention, the connecting rods are connected with the two supporting structures which are adjacent to each other and are arranged vertically, so that the protection units are sequentially connected to form a step shape, and the worker can climb conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a protective frame according to the present invention;
FIG. 2 is a schematic view of the construction platform of the present invention with a first pole, a second pole, and a cross bar;
FIG. 3 is a schematic diagram at B in FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
FIG. 6 is an enlarged view of FIG. 1 at A;
FIG. 7 is a schematic view of a reinforcing structure of the present invention;
FIG. 8 is a schematic view of the overall structure of a steel structure and an overhead safety device according to an embodiment of the present invention;
FIG. 9 is a front view of a portion of a steel structure and overhead safety shield apparatus in accordance with an embodiment of the present invention;
FIG. 10 is a partial top view of the aerial work safety device of the present invention;
FIG. 11 is a partial left side view of the aerial work safety device of the present invention;
FIG. 12 is a front view of a construction step (one) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 13 is a left side view of a construction step (one) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 14 is a front view showing a construction step (II) of a steel structure using the guard frame and the overhead working safety device of the embodiment;
FIG. 15 is a left side view of a construction step (II) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 16 is a front view showing a construction step (III) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 17 is a left side view of a construction step (III) of a steel structure using the protective frame and overhead working safety device of the embodiment;
FIG. 18 is a front view showing a construction step (IV) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 19 is a left side view of a construction step (IV) of a steel structure using the protective frame and overhead working safety guard of the embodiment;
FIG. 20 is a front view showing a construction step (fifth) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 21 is a left side view of a construction step (fifth) of a steel structure using the protective frame and overhead working safety guard of the embodiment;
FIG. 22 is a front view showing a construction step (six) of a steel structure using the protective frame and the overhead working safety device of the embodiment;
FIG. 23 is a front view showing a construction step (seventh) of a steel structure using the guard frame and the overhead working safety device of the embodiment;
Fig. 24 is a front view of a construction step (eight) of a steel structure using the protective frame and the overhead working safety device of the embodiment.
Reference numerals illustrate:
1. A steel structure; 2. a construction platform; 3. a first rod body; 4. a second rod body; 5. a third rod body; 6. a fourth rod body; 7. a cross bar; 8. a connecting rod; 9. a fifth rod body; 10. a first connector; 11. a second connector; 12. a force transmission structure; 13. a fixing member; 14. a plate body; 15. a fastener; 16. a connecting plate; 17. a tie bar; 18. a switching lever; 19. an accessory structure; 20. a sixth rod body; 21. a flat plate; 22. a vertical plate; 23. a first upright; 24. a third connecting member; 25. a clamping piece; 26. a fourth connecting member; 27. a fifth connecting member; 28. a sixth connecting member; 29. a seventh connection; 30. a seventh rod body; 31. an eighth rod body; 32. an eighth connecting member; 33. a ninth link; 34. a tenth connecting member; 35. a ninth rod body; 36. a foot pedal lever; 37. a walking bar; 38. a reinforcing rod; 39. skirting board; 40. an embedding region; 41. a channel; 42. and a second vertical rod.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
One embodiment of the guard frame as shown in fig. 1 to 7 includes: the first frame body, the second frame body and the construction platform 2. As shown in fig. 1, the steel structure 1 is in a diamond structure, the first frame body comprises a first rod body 3, a second rod body 4, a third rod body 5 and a fourth rod body 6 which are wound around the periphery of the steel structure 1, a sixth rod body 20 is arranged between the first rod body 3 and the second rod body 4, the sixth rod body 20 is perpendicular to the plane where the first rod body 3 and the second rod body 4 are located, the first rod body 3 and the second rod body 4 are connected with the sixth rod body 20 through a first connecting piece 10, a back-up buckle is arranged on the first connecting piece 10 so as to enhance the stability of connection between the first rod body 3 and the second rod body 4, the second rod body 4 and the third rod body 5, the third rod body 5 and the fourth rod body 6, the fourth rod body 6 and the first rod body 3 are connected in pairs through the first connecting piece 10, the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6 are downwards extended to form a supporting structure, the cross rod 7 is further connected with the lower ends of the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6 are horizontally connected with the second rod body 11 through the second connecting piece 11, and the two sides of the two horizontal rods are horizontally arranged on two sides of the platform 1 respectively.
In the above embodiment, as shown in fig. 1 and 2, the construction platform 2 includes a flat plate 21 bound and fixed with the cross bar 7 and a pair of vertical plates 22 perpendicular to the flat plate 21, the pair of vertical plates 22 are respectively located at the left and right sides of the flat plate 21, the left and right sides of the construction platform 2 are respectively provided with a first vertical rod 23 and a second vertical rod 42, as shown in fig. 1, the second vertical rod 42 is located outside the pair of construction platforms 2, the first vertical rod 23 is located between the pair of construction platforms 2, the first vertical rod 23 and the second vertical rod 42 are all vertically arranged and are all connected with the cross bar 7 through a third connecting piece 24, as shown in fig. 2, the upper end of the vertical plate 22 is clamped with a clamping piece 25, and the clamping piece 25 is respectively connected with the first vertical rod 23 and the second vertical rod 42 through a fourth connecting piece 26.
As shown in fig. 1, a force transmission structure 12 is arranged between the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6 and the steel structure 1, as shown in fig. 3 to 5, the force transmission structure 12 comprises a fixing piece 13 sleeved on the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6, a plate body 14 attached to the surface of the steel structure 1 and a fastening piece 15 for connecting the fixing piece 13 and the plate body 14, the fixing piece 13 is a hoop, an arc-shaped extension part consistent in shape with the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6 and a horizontal part attached to the plate body 14 are arranged, the fastening piece 15 is a bolt, and the horizontal part penetrating the hoop is fastened with the plate body 14.
As shown in fig. 1, a reinforcing structure is further arranged between the second rod body 4 and the steel structure 1, as shown in fig. 6 and 7, the reinforcing structure comprises a pair of connecting plates 16 welded on the steel structure 1, the connecting plates 16 are arranged perpendicular to the steel structure 1, the connecting plates 16 are connected with connecting rods 17 through fifth connecting pieces 27, the connecting rods 17 are arranged in parallel with the connecting plates 16, the fifth connecting pieces 27 are clamped on two sides of the connecting plates 16, one ends of the connecting rods are fixed with the connecting rods 17, the connecting rods 17 are vertically connected with conversion rods 18 through sixth connecting pieces 28, and the conversion rods 18 are connected with the second rod body 4 through seventh connecting pieces 29.
As shown in fig. 1, an auxiliary structure 19 is arranged below the steel structure 1, in order to facilitate construction of the auxiliary structure 19, a second frame body is arranged at the lower end of the first frame body corresponding to the auxiliary structure 19, the second frame body comprises a seventh rod body 30 and an eighth rod body 31 which are vertically arranged, the upper part of the seventh rod body 30 is connected with the first rod body 3 through an eighth connecting piece 32, the lower part of the seventh rod body 30 is connected with the cross rod 7 through a ninth connecting piece 33, the upper part of the eighth rod body 31 is connected with the second rod body 4 through an eighth connecting piece 32, the lower part of the eighth rod body 31 is connected with the cross rod 7 through a ninth connecting piece 33, the lower ends of the seventh rod body 30 and the eighth rod body 31 are horizontally connected with a ninth rod body 35 through a tenth connecting piece 34, a construction platform 2 is horizontally arranged on the ninth rod body 35, and check buckles are respectively arranged on the eighth connecting piece 32 and the tenth connecting piece 34.
An embodiment of the safety device for aloft work shown in fig. 8 to 11, for constructing an arched girder composed of box sections, comprises: the protection frames are arranged at intervals along the extending direction of the steel structure 1. As shown in fig. 9 and 10, the construction platform 2 extends along the arrangement direction of the cross bars 7 of the two or three first frames which are sequentially arranged, the two or three first frames and the construction platform 2 form a protection unit, a fifth rod body 9 is connected between the two or three cross bars 7 in the protection unit, as shown in fig. 10, the fifth rod body 9 is provided with three rods which are distributed at two sides and the middle position of the cross bars 7 and are vertically arranged with the cross bars 7.
As shown in fig. 11, the first upright 23 and the second upright 42 are extended in the vertical direction to connect two cross bars 7 adjacent to each other of two adjacent protection units, and in the region where the curvature of the steel structure 1 is greatly changed, a large height difference exists between the adjacent protection units, so that a foot rest lever 36 is added between the first upright 23 and the second upright 42 for the staff to step on.
As shown in fig. 9, a connecting rod 8 is arranged between two adjacent protection units, two ends of the connecting rod 8 are respectively connected with two cross rods 7 of the two adjacent protection units, which are close to each other, and the connecting rod 8 is vertically arranged. A hand rod 37 is connected between the second vertical rods 42 in one protection unit, and the hand rod 37 is arranged above the construction platform 2 and is perpendicular to the second vertical rods 42.
As shown in fig. 9 and 11, the reinforcing rods 38 are connected between the connection parts of the second rod body 4 and the third rod body 5 and between the connection parts of the first rod body 3 and the fourth rod body 6 in one protection unit, so that the stability of the inside of the protection unit is enhanced, and the protection unit can also be used as a handrail for workers.
As shown in fig. 9, the front end of the construction platform 2 in one of the guard units in the traveling direction is provided with a skirting 39 to prevent objects from falling off.
As shown in fig. 8, a repair-inlaid area 40 with a certain distance is reserved at the butt joint of the steel structure 1 segments, and the protection frame is temporarily not installed in the area, so that the steel structure 1 segments are hoisted in place, and after hoisting is completed, the protection frame is repaired. A passage 41 is provided between the ends of the steel structure 1 and the ground so that personnel can enter the overhead working safety device from the ground.
As shown in fig. 12 to 24, the construction of the steel structure 1 of the kink triangle truss having the box-shaped cross section as the main structure is performed using the protective frame and the overhead working safety device of the present embodiment, and the installation of the overhead working safety device is performed on the ground before the steel structure 1 is hoisted, the installation steps are as follows:
Step (1): the force transmission structure 12 is arranged on the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6, and the first rod body 3, the second rod body 4, the third rod body 5 and the fourth rod body 6 are wound on the periphery of the steel structure 1, so that the plate 14 of the force transmission structure 12 is attached to the surface of the steel structure 1;
step (II): a cross bar 7, a fifth rod body 9, a first upright 23 and a second upright 42 are arranged;
step (III): a walking bar 37 is connected between the second uprights 42;
step (IV): the construction platform 2 is arranged on the cross rod 7;
Step (five): installing the reinforcing rods 38, reinforcing structures and connecting rods 8;
Step (six): repeating the steps (one) to (five), connecting the protective frames to form a protective unit, and connecting the protective units to form an aerial work safety device;
Step (seven): hoisting the steel structure 1 and the safety protection device for high-altitude operation in place at the same time, and fixing;
step (eight): the protection unit is installed in the embedding region 40, and is connected with the safety protection device for the high-altitude operation completed before hoisting, and the channel 41 is installed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. A protective frame, comprising:
The first frame body is wound around and fixed on the periphery of the steel structure (1) and is provided with a supporting structure extending towards the direction away from the steel structure (1), and the supporting structure is arranged close to the ground;
the construction platform (2) is arranged on the supporting structure and is horizontally arranged corresponding to the steel structure (1);
The first frame body comprises a plurality of rod bodies which are sequentially arranged around the outside of the steel structure (1), two adjacent rod bodies are fixed through a first connecting piece (10), the end parts, close to the ground, of the rod bodies, which extend, are crossed with a horizontal cross rod (7) to form the supporting structure, a second connecting piece (11) is arranged at the intersection of the rod bodies and the cross rod (7), and the construction platform (2) is arranged on the cross rod (7);
a force transmission structure (12) is arranged between the rod body and the steel structure (1), and the force transmission structure (12) comprises a fixing piece (13) sleeved on the rod body, a plate body (14) attached to the steel structure (1) and a fastening piece (15) used for connecting the fixing piece (13) and the plate body (14);
the steel structure comprises a steel structure (1) and a rod body, and is characterized by further comprising a reinforcing structure arranged between the rod body and the steel structure (1), wherein the reinforcing structure comprises a connecting rod (17) fixedly connected with a connecting plate (16) on the steel structure (1) and a conversion rod (18) vertically connected with the connecting rod (17), and the conversion rod (18) is fixedly connected with the rod body;
The first frame body comprises a first rod body, a second rod body, a third rod body and a fourth rod body which are wound on the periphery of the steel structure, a sixth rod body is arranged between the first rod body and the second rod body, the sixth rod body is perpendicular to the plane where the first rod body and the second rod body are located, the first rod body and the second rod body are connected with the sixth rod body through first connecting pieces, the first connecting pieces are provided with check buckles, the second rod body and the third rod body are connected with the fourth rod body through first connecting pieces, the fourth rod body and the first rod body are connected with each other in pairs, the first rod body, the second rod body, the third rod body and the fourth rod body are downwards extended to form a supporting structure, the supporting structure further comprises a cross rod, the cross rod is horizontally connected with the lower ends of the first rod body, the second rod body, the third rod body and the fourth rod body through second connecting pieces, and the construction platform is horizontally arranged on the cross rod body and is respectively arranged on two sides of the steel structure;
The construction platform comprises a flat plate and a pair of vertical plates, wherein the flat plate is fixedly bound with the cross rod, the vertical plates are perpendicular to the flat plate, the pair of vertical plates are respectively positioned at the left side and the right side of the flat plate, the left side and the right side of the construction platform are respectively provided with a first vertical rod and a second vertical rod, the second vertical rod is positioned outside the pair of construction platforms, the first vertical rod is positioned between the pair of construction platforms, the first vertical rod and the second vertical rod are vertically arranged and are connected with the cross rod through a third connecting piece, the upper end of the vertical plate is clamped with a clamping piece, and the clamping piece is respectively connected with the first vertical rod and the second vertical rod through a fourth connecting piece;
The fixing piece is a hoop, the fixing piece is provided with an arc-shaped extension part consistent with the shapes of the first rod body, the second rod body, the third rod body and the fourth rod body and a horizontal part attached to the plate body, the fixing piece is a bolt, and the horizontal part penetrating through the hoop is fastened with the plate body;
The reinforced structure comprises a pair of connecting plates welded on the steel structure, the connecting plates are perpendicular to the steel structure, the connecting plates are connected with connecting rods through fifth connecting pieces, the connecting rods are arranged in parallel with the connecting plates, the fifth connecting pieces are clamped on two sides of the connecting plates, one ends of the connecting rods are fixed with the connecting rods, the connecting rods are perpendicularly connected with conversion rods through sixth connecting pieces, and the conversion rods are connected with the second rods through seventh connecting pieces.
2. A protective frame according to claim 1, further comprising a second frame body connected to a side of the first frame body close to the ground, the second frame body being arranged in correspondence of an auxiliary structure (19) of the steel structure (1).
3. An aerial work safety device, characterized by comprising the protective frame according to claim 1 or 2, wherein a plurality of protective frames are arranged at intervals along the extending direction of the steel structure (1).
4. A safety device for overhead working according to claim 3, wherein the construction platform (2) is arranged to extend along the arrangement direction of at least two first frames arranged in sequence, and the at least two first frames and the construction platform (2) form a protection unit.
5. An aerial work safety device according to claim 4, wherein a fifth rod (9) is connected between at least two of the first frames in the protection unit.
6. The aerial work safety device according to claim 4, further comprising a connecting rod (8) arranged on the periphery of the construction platform (2), wherein two adjacent protection units are sequentially connected through the connecting rod (8).
7. An aerial work safety device according to claim 6, wherein the connecting rod (8) is connected to two support structures adjacent to each other of two of the protection units, and the connecting rod (8) is arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258225.9A CN112431398B (en) | 2020-11-11 | 2020-11-11 | Protective frame and aerial work safety device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258225.9A CN112431398B (en) | 2020-11-11 | 2020-11-11 | Protective frame and aerial work safety device |
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| Publication Number | Publication Date |
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| CN112431398A CN112431398A (en) | 2021-03-02 |
| CN112431398B true CN112431398B (en) | 2024-10-18 |
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| CN115009972A (en) * | 2022-06-27 | 2022-09-06 | 上海外高桥造船有限公司 | Lifting device |
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| CN213806506U (en) * | 2020-11-11 | 2021-07-27 | 中建科工集团有限公司 | Handling frame and high-altitude safe operation platform |
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| CN206800949U (en) * | 2017-04-12 | 2017-12-26 | 上海宝冶集团有限公司 | Operating platform for construction work high above the ground |
| CN206971695U (en) * | 2017-05-22 | 2018-02-06 | 北京星河模板脚手架工程有限公司 | A kind of protection closing work frame for electric construction platform construction |
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