CN115749339A - Ultra-deep narrow space construction protection device and construction method thereof - Google Patents
Ultra-deep narrow space construction protection device and construction method thereof Download PDFInfo
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- CN115749339A CN115749339A CN202211528445.8A CN202211528445A CN115749339A CN 115749339 A CN115749339 A CN 115749339A CN 202211528445 A CN202211528445 A CN 202211528445A CN 115749339 A CN115749339 A CN 115749339A
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Abstract
The invention provides a construction protection device for an ultra-deep narrow space and a construction method thereof, which relate to the technical field of building construction and comprise a fixing mechanism, a guide rod mechanism, a protection main body, a supporting piece and a hoisting structure, wherein the fixing mechanism is used for being fixed on the ground; the guide rod mechanism is connected with the fixing mechanism; the protection body at least comprises a first protection part and a second protection part which are connected in an articulated manner, the first protection part is connected with the guide rod mechanism, one end of the supporting part is connected with the guide rod mechanism, and the other end of the supporting part is connected with the second protection part; the hoisting structure is arranged on the first protection part. The invention has the advantages of simple structure, low manufacturing cost, strong adaptability, repeated recycling, construction progress improvement, great help to construction safety and engineering quality, construction protection for operators when the outer wall is waterproof and the protective layer is constructed, backfill diversion when the protective layer is backfilled after the construction is finished, and one-purpose advantage.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an ultra-deep narrow space construction protection device and a construction method thereof.
Background
At present, when an outer wall is constructed, a protection device for preventing a falling object from hurting constructors is not provided generally, only a conventional safety helmet is provided, the outer wall is generally ultra-deep and narrow in construction, most of the outer wall belongs to monitoring and managing blind areas, and potential safety hazards are large.
When the outer wall is backfilled, a bulldozer is generally adopted to bulldoze in place or an excavator is arranged on a secondary platform to pour soil in place, then the soil is manually paved, and frog rammers are used for ramming. The basement outer wall is generally narrow and deep and is restricted by a field, large machinery cannot operate, and when a high position of the basement outer wall is backfilled in a narrow space by a traditional construction method, the vertical falling gravitational potential energy of the filler easily damages a pre-finished outer wall protective layer, influences the stability and integrity of the protective layer, and seriously possibly causes the problems of the protective layer wall body overturning, water seepage caused by waterproof damage and the like.
Disclosure of Invention
The invention aims to provide a construction protection device for an ultra-deep narrow space and a construction method thereof, and aims to solve the technical problems that potential safety hazards are high when an outer wall is constructed in the prior art, and when the outer wall is backfilled and a high position of the outer wall of a basement is backfilled in a narrow space in the traditional construction method, the potential energy of gravity of the filler falling vertically easily damages a pre-finished outer wall protective layer, influences the stability and integrity of the protective layer, and seriously can cause the overturning of the wall body of the protective layer and water seepage caused by waterproof damage. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a construction protection device for an ultra-deep narrow space, which comprises a fixing mechanism, a guide rod mechanism, a protection main body, a support piece and a hoisting structure, wherein:
the fixing mechanism is used for being fixed on the ground;
the guide rod mechanism is connected with the fixing mechanism;
the guard body at least comprises a first guard part and a second guard part which are connected in a hinged mode, the first guard part is connected with the guide rod mechanism, one end of the supporting part is connected with the guide rod mechanism, and the other end of the supporting part is connected with the second guard part;
the hoisting structure is arranged on the first protection piece.
Preferably, the fixing mechanism comprises a body and a fixing member, wherein:
the guide rod mechanism is characterized in that the body is made of I-shaped steel, a bottom plate and a stiffening plate are arranged on the end face of the I-shaped steel, and a first connecting structure is arranged on the bottom plate and used for fixedly connecting the guide rod mechanism with the body through the first connecting structure.
Preferably, the fixing piece adopts a U-shaped anchor ring for fixing the body;
the first connecting structure adopts a round hole and is used for penetrating through an M10 bolt to fix the guide rod mechanism and the body.
Preferably, the guide bar mechanism includes a guide bar and a lap joint structure connected to the guide bar, wherein:
the length of the guide rod is 1m or 2m;
the guide rod is provided with a plurality of second connecting structures, and the lapping structure is provided with a third connecting structure used for being connected with the second connecting structures.
Preferably, the guide rod and the lapping structure are made of Q235B galvanized steel strips with the thickness of 10mm, wherein:
the second connecting structure adopts a first punched hole with the diameter of phi 10mm, a hexagonal flaring with the diameter of phi 16mm, which is externally tangent to a circle, is arranged on one surface of the first punched hole, and the depth of the flaring is 3.5mm;
the distance between the first punched holes is 100mm, and the first punched holes positioned at the end parts of the guide rods are 50mm away from the edges of the guide rods;
the lap joint structure adopts the overlapping plate, the surface of overlapping plate sets up two phi 10 mm's second and punches a hole, the interval between the second punches a hole is 100mm, the second punches a hole apart from the edge 50mm of overlapping plate.
Preferably, the first prevention piece and the second prevention piece have the same length and thickness, the width of the first prevention piece is smaller than the width of the second prevention piece, and the first prevention piece is disposed above the second prevention piece, wherein:
both ends of the first protection part are provided with fourth connecting structures which are used for being connected with the guide rod mechanism;
and a fifth connecting structure is arranged on the second protection part and is used for being connected with the supporting part.
Preferably, the fourth connecting structure adopts a connecting hole, and the connecting hole is 50mm away from the edge of the first protection piece in the length direction;
the fifth connecting structure adopts a fixed hinge support, two fixed hinge supports are arranged on the second protection part, the fixed hinge supports are arranged away from the hinge and are positioned at 1/5 of the width of the second protection part, and the fixed hinge supports are 50mm away from the length edge of the second protection part.
Preferably, the support piece adopts a rod piece, one end of the rod piece is connected with the fifth connecting structure through a bolt, and the other end of the rod piece is provided with a rubber structure for extending into the first punched hole.
Preferably, the hoisting structure is adapted to at least two lifting lugs, wherein one lifting lug is located at 1/5 of the length of the first guard, and the other lifting lug is located at 4/5 of the length of the first guard.
A construction method of the ultra-deep narrow space construction protection device comprises the following steps:
s1, preparation before construction, wherein the preparation comprises that the place where the construction protection device is placed in the ultra-deep narrow space is flat, free of sundries, complete and stable in structure, and can bear loads of tools, corresponding equipment, machines, vehicles, personnel and the like;
s2, mounting a fixing mechanism, namely drilling a reserved hole on the floor slab according to a designed distance, placing the processed I-steel at the reserved hole, and anchoring the I-steel by using a U-shaped anchor ring;
s3, installing a guide rod mechanism, namely connecting and fastening two standard knot guide rods at the end parts of the guide rods by using bolts after hole sites at two ends of one guide rod are aligned, and then overlapping and fastening the guide rods at the extension sections by using overlapping plates according to the designed length;
s4, mounting the protection main body, aligning hole sites at two ends of the first protection part with the first punched holes of the guide rod, and then connecting and fastening by bolts;
s5, key node inspection, including whether a weld joint is flawless, whether a U-shaped anchor ring is anchored tightly, whether a bolt joint is fastened, whether a guide rod is bent and deformed, and whether a hinge is damaged;
s6, hoisting, namely hanging the lifting lug by using hoisting equipment such as a winch or a tower crane and the like, aligning the hole position of the free end of the guide rod to the position of the I-shaped steel hole, fastening by using a bolt, and finally supporting the second protection piece by using a support piece according to the using angle;
s7, constructing an outer wall, namely constructing in a protected area after the construction protection device in the ultra-deep narrow space at the top is installed;
s8, backfilling earthwork, after construction is finished, inserting the adjustable supporting piece into the hole position of the first punched hole, adjusting the gradient of the second protection piece according to a certain angle, then dumping the trolley or manually bulldozing to the ground right above the ultra-deep narrow space construction protection device, and after earthwork of 200-300 mm is filled in layers, ramming tightly by using a ramming machine in layers;
s9, lifting the ultra-deep narrow space construction protection device, hanging lifting lugs by using lifting equipment such as a winch or a tower crane and the like to lift the lifting lugs and aligning the free end holes of the guide rods to I-shaped steel hole positions, fastening by using bolts, and sequentially detaching one or more standard joints from the longest end when the construction is carried out to a certain height and the height of the ultra-deep narrow space construction protection device needs to be adjusted;
s10, disassembling the ultra-deep narrow space construction protection device, immediately disassembling the ultra-deep narrow space construction protection device after construction is finished or after the tool is not needed, removing the ultra-deep narrow space construction protection device to a safe position by using the lifting lug during disassembly, then sequentially disassembling the ground U-shaped anchor ring and the I-shaped steel, disassembling the guide rod mechanism, the protection main body and the supporting piece on the open and flat ground, and orderly collecting and releasing all components to ensure reuse.
The invention provides a construction protection device for an ultra-deep narrow space and a construction method thereof.A fixing mechanism, a guide rod mechanism, a protection main body, a support piece and a hoisting structure are arranged, the guide rod mechanism and the fixing mechanism are used for fixing on the ground, the protection main body at least comprises a first protection piece 31 and a second protection piece which are hinged, the first protection piece is connected with the guide rod mechanism, one end of the support piece 4 is connected with the guide rod mechanism, and the other end of the support piece is connected with the second protection piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the construction protection device for ultra-deep narrow space of the present invention;
FIG. 2 is a left side view schematic structural view of the ultra-deep narrow space construction protection device of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic view of B in fig. 2.
In the figure: 1. a fixing mechanism; 11. a body; 111. a base plate; 112. a stiffening plate; 12. a fixing member; 2. a guide bar mechanism; 21. a guide bar; 210. first punching; 211. flaring; 22. a lap joint structure; 220. second punching; 3. a protective body; 31. a first guard; 32. a second guard; 321. a fifth connecting structure; 33. a hinge; 4. a support member; 5. hoisting the structure; 6. a bolt; 9. an outer wall; 10. a protected area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides a construction protection device for an ultra-deep narrow space, wherein fig. 1 is a front view of the embodiment, fig. 2 is a left view of the embodiment, and as shown in fig. 1 and fig. 2, the construction protection device comprises a fixing mechanism 1, a guide rod mechanism 2, a protection main body 3, a support piece 4 and a hoisting structure 5.
Wherein, the fixing mechanism 1 is used for fixing on the ground; the guide rod mechanism 2 is connected with the fixing mechanism 1; the protection body 3 comprises at least a first protection member 31 and a second protection member 32 which are hinged, and the hoisting structure 5 is arranged on the first protection member 31 and used for lifting or hoisting.
Specifically, first protection piece 31 is connected with guide bar mechanism 2, the one end of support piece 4 is connected with guide bar mechanism 2, the other end of support piece 4 is connected with second protection piece 32, be used for adjusting the angle of second protection piece 32, the bottom of second protection piece 32 is protected regional 10, can be in protected regional 10 safe construction, can solve when narrow space eminence is backfilled in the ultra-deep foundation ditch, the backfill falls and directly strikes waterproof or the protective layer leads to the finished product to receive the influence of impact damage, simultaneously can be used to when carrying out construction operations such as outer wall 9 is waterproof, the protective layer, prevent that the high altitude weight thing from causing the injury to the constructor.
This ultra-deep narrow space construction protector, through setting up fixed establishment 1, guide arm mechanism 2, protection main part 3, support piece 4 and hoisting structure 5, guide arm mechanism 2 and fixed establishment 1, fixed establishment 1 is used for being fixed in ground, protection main part 3 includes articulated first protection piece 31 and the second protection piece 32 of connecting at least, first protection piece 31 is connected with guide arm mechanism 2, support piece 4's one end is connected with guide arm mechanism 2, support piece 4's the other end is connected with second protection piece 32, can draw materials on the spot, simple structure, low in cost, strong adaptability, wide application, save expense, construction convenience, whole height is liftable, can add (subtract) festival, the angularly adjustable, and can repeatedly be recycled, can improve the construction progress, to construction safety and engineering quality very big help, both can be used as the construction protection to the operation personnel when the outer wall 9 is waterproof, protective layer construction, also can be used as backfill water conservancy diversion when backfilling after the protective layer construction finishes, have the advantage of "one has many uses", use in ultra-deep narrow space, especially obvious advantage.
As an alternative embodiment, the fixing mechanism 1 comprises a body 11 and a fixing member 12.
Fig. 3 is an enlarged schematic structural diagram of a position a in fig. 2, and as shown in fig. 3, the body 11 is made of "i" steel, and a bottom plate 111 and a stiffening plate 112 are arranged on an end surface of the "i" steel. The base plate 111 is provided with a first connecting structure for fixedly connecting the guide bar mechanism 2 with the body 11 through the first connecting structure.
Specifically, the fixing member 12 is a U-shaped anchor ring for fixing the body 11 and preventing the body 11 from slipping.
The first connecting structure adopts a round hole and is used for penetrating the M10 bolt 6 and fixing the guide rod mechanism 2 and the body 11.
As an alternative embodiment, the guide bar mechanism 2 comprises a guide bar 21 and a bridging structure 22 connected to the guide bar 21. The guide rod 21 is provided with a plurality of second connecting structures, and the lapping structure 22 is provided with a third connecting structure for connecting with the second connecting structures.
Through setting up guide arm 21 and connecting the overlap joint structure 22 on guide arm 21, can add, subtract the festival according to the use needs of reality, the length of guide arm 21 satisfies the user demand, makes overall structure satisfy the demand that the lift is adjustable, the angle is adjustable.
Wherein, the length of the guide rod 21 is 1m or 2m, and when the guide rod 21 is used in actual construction, the length of the guide rod 21 can be set according to actual use requirements. Generally, the standard knot is 1m or 2m, and when the standard knot needs to be lengthened in the using process, the two standard knots are connected and fixed by adopting the lap joint structure 22 and the bolt.
Specifically, the guide rod 21 and the lapping structure 22 are made of Q235B galvanized steel strips with the thickness of 10 mm. The second connecting structure adopts a first punched hole 210 with the diameter of phi 10mm, a hexagonal flaring 211 which is circumscribed with a circle and has the diameter of phi 16mm is arranged on one surface of the first punched hole 210, the depth of the flaring 211 is 3.5mm, and the flaring 211 is used for accommodating a bolt end so as to be conveniently connected by adopting an M10 bolt.
In this embodiment, the first punched holes 210 are spaced apart by 100mm, and the first punched holes 210 located at the ends of the guide bars 21 are spaced apart from the edges of the guide bars 21 by 50mm.
The lapping structure 22 adopts a lapping plate, two second punched holes 220 with phi 10mm are arranged on the surface of the lapping plate, the distance between the second punched holes 220 is 100mm, and the distance between the second punched holes 220 and the edge of the lapping plate is 50mm. The lap joint structure mainly has the functions of fixing and connecting two guide rods 21 by using an M10 bolt 6 for connection after attaching the standard sections to the two standard sections in lap joint and respectively aligning to the first punched holes 210 at the two ends of the standard sections.
In this embodiment, the guide rod 21 is connected with the body 11 of the fixing mechanism 1, the guide rod 21 is connected with the overlapping structure 22, and the guide rod 21 is connected with the protection main body 3 by the M10 bolt 6. During actual production and construction, the first punched hole 210, the second punched hole 220, the first connecting structure, the fourth connecting structure and the bolt can be set to have other sizes, and the requirement for matching connection can be met.
As an alternative embodiment, fig. 4 is an enlarged schematic structural view at B in fig. 2, and as shown in fig. 4, the first shielding member 31 and the second shielding member 32 are made of rustproof and corrosion-proof steel plates, the lengths and thicknesses of the first shielding member 31 and the second shielding member 32 are the same, the width of the first shielding member 31 is smaller than the width of the second shielding member 32, and the first shielding member 31 is disposed above the second shielding member 32. The specific dimensions of the first and second shielding members 31 and 32 are customized to the site construction requirements.
In this embodiment, the fourth connecting structures are provided at both ends of the first protection member 31, and the fourth connecting structures are connecting holes, which are spaced 50mm from the edge of the first protection member 31 in the length direction, for connecting with the guide bar mechanism 2.
The second protection member 32 is provided with a fifth connecting structure 321, which in this embodiment is a fixed hinge support for connecting with the supporting member 4.
Specifically, the second prevention piece 32 is provided with two fixed hinge supports, which are provided away from the hinge 33 at 1/5 of the width of the second prevention piece 32, and which are located at a distance of 50mm from the length edge of the second prevention piece 32.
As an alternative embodiment, the support member 4 is a rod, one end of the rod is connected to the fifth connecting structure by a pin, and the other end of the rod is provided with a rubber structure for extending into the first punched hole 210.
When the protective device is used, the second protective part 32 is supported through the first punched hole 210 arranged on the rod insertion guide rod 21, and the rod insertion can be adjusted to different first punched holes 210 according to actual use requirements, so that the angle of the protective main body can be adjusted, and different use requirements can be met.
As an optional implementation manner, the hoisting structure 5 is used as a lifting lug for lifting or hoisting. The hoisting structure 5 is provided to include at least two, one of which is located at 1/5 of the length of the first prevention piece 31 and the other of which is located at 4/5 of the length of the first prevention piece 31.
In this embodiment, the hoisting structure 5 can be round steel with a diameter of 6-10 mm according to the thickness of the steel plate. In actual construction, the selection can be made according to actual use requirements.
A construction method of the ultra-deep narrow space construction protection device comprises the following steps:
s1, preparation before construction, wherein the preparation comprises that the place where the construction protection device is placed in the ultra-deep narrow space is flat, free of sundries, complete and stable in structure, and can bear loads of tools, corresponding equipment, machines, vehicles, personnel and the like;
s2, installing the fixing mechanism 1, namely drilling a reserved hole on the floor slab according to the designed distance, placing the processed I-steel at the reserved hole, and anchoring the I-steel by using a U-shaped anchor ring;
s3, installing the guide rod mechanism 2, namely, aligning the end parts of two standard knot guide rods with the hole sites at the two ends of one guide rod, connecting and fastening the two standard knot guide rods by using bolts, and then overlapping and fastening the two standard knot guide rods by using lap-joint sheets according to the designed length to obtain an extension section guide rod;
s4, mounting the protection main body 3, aligning hole sites at two ends of the first protection part 31 with the first punched holes 210 of the guide rods 21, and then fastening the hole sites by bolts;
s5, key node inspection, including whether a weld joint is flawless, whether a U-shaped anchor ring is anchored tightly, whether a bolt connection part is fastened, whether a guide rod 21 is bent and deformed, and whether a hinge is damaged;
s6, hoisting, namely, hanging the lifting lug by using hoisting equipment such as a winch or a tower crane and the like, aligning the hole position of the free end of the guide rod with the hole position of the I-shaped steel, fastening by using a bolt, and finally supporting the second protection part 32 by using the support part 4 according to the use angle;
s7, constructing an outer wall, namely constructing in a protected area 10 after the construction protection device in the ultra-deep narrow space at the top is installed;
s8, backfilling earthwork, after construction is finished, inserting the adjustable supporting piece 4 into a hole position of the first punched hole 210, adjusting the gradient of the second protection piece 32 according to a certain angle, then dumping a trolley or manually bulldozing to the ground right above the construction protection device for the ultra-deep narrow space, and after the earthwork of 200-300 mm is filled in layers, ramming tightly by using a ramming machine in layers;
s9, lifting the ultra-deep narrow space construction protection device, hanging lifting lugs by using lifting equipment such as a winch or a tower crane and the like to lift the lifting lugs and aligning the free end holes of the guide rods to I-shaped steel hole positions, fastening by using bolts, and sequentially detaching one or more standard joints from the longest end when the construction is carried out to a certain height and the height of the ultra-deep narrow space construction protection device needs to be adjusted;
s10, disassembling the ultra-deep narrow space construction protection device, immediately disassembling the ultra-deep narrow space construction protection device after construction is finished or after the tool is not needed, removing the ultra-deep narrow space construction protection device to a safe position by using the lifting lug during disassembly, then sequentially disassembling the ground U-shaped anchor ring and the I-shaped steel, disassembling the guide rod mechanism, the protection main body and the supporting piece on the open and flat ground, and orderly collecting and releasing all components to ensure reuse.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides an ultra-deep narrow space construction protector which characterized in that, includes fixed establishment, guide arm mechanism, protection main part, support piece and hoisting structure, wherein:
the fixing mechanism is used for being fixed on the ground;
the guide rod mechanism is connected with the fixing mechanism;
the guard body at least comprises a first guard part and a second guard part which are connected in an articulated manner, the first guard part is connected with the guide rod mechanism, one end of the supporting part is connected with the guide rod mechanism, and the other end of the supporting part is connected with the second guard part;
the hoisting structure is arranged on the first protection piece.
2. The ultra-deep narrow space construction protection device of claim 1, wherein: the fixed establishment includes body and mounting, wherein:
the guide rod mechanism is characterized in that the body is made of I-shaped steel, a bottom plate and a stiffening plate are arranged on the end face of the I-shaped steel, and a first connecting structure is arranged on the bottom plate and used for fixedly connecting the guide rod mechanism with the body through the first connecting structure.
3. The ultra-deep narrow space construction protection device according to claim 2, wherein: the fixing piece adopts a U-shaped anchor ring and is used for fixing the body;
the first connecting structure adopts a round hole and is used for penetrating through an M10 bolt to fix the guide rod mechanism and the body.
4. The ultra-deep narrow space construction protection device according to any one of claims 1 to 3, characterized in that: the guide rod mechanism comprises a guide rod and a lap joint structure connected to the guide rod, wherein:
the length of the guide rod is 1m or 2m;
the guide rod is provided with a plurality of second connecting structures, and the lapping structure is provided with a third connecting structure used for being connected with the second connecting structures.
5. The ultra-deep narrow space construction protection device of claim 4, wherein: the guide arm with the overlap joint structure all adopts thickness to be 10 mm's Q235B galvanized steel strip, wherein:
the second connecting structure adopts a first punched hole with the diameter of phi 10mm, a hexagonal flaring with the diameter of phi 16mm, which is externally tangent to a circle, is arranged on one surface of the first punched hole, and the depth of the flaring is 3.5mm;
the distance between the first punched holes is 100mm, and the first punched holes positioned at the end parts of the guide rods are 50mm away from the edges of the guide rods;
the lap joint structure adopts the overlapping plate, the surface of overlapping plate sets up two phi 10 mm's second and punches a hole, the interval between the second punches a hole is 100mm, the second punches a hole apart from the edge 50mm of overlapping plate.
6. The ultra-deep narrow space construction protection device of claim 5, wherein: the first guard piece and the second guard piece are both the same in length and thickness, the first guard piece has a width smaller than that of the second guard piece, and the first guard piece is disposed above the second guard piece, wherein:
both ends of the first protection part are provided with fourth connecting structures which are used for being connected with the guide rod mechanism;
and a fifth connecting structure is arranged on the second protection part and is used for being connected with the supporting part.
7. The ultra-deep narrow space construction protection device of claim 6, wherein: the fourth connecting structure adopts a connecting hole which is 50mm away from the edge of the first protection piece in the length direction;
the fifth connecting structure adopts a fixed hinge support, two fixed hinge supports are arranged on the second protection part, the fixed hinge supports are arranged away from the hinge and are positioned at 1/5 of the width of the second protection part, and the fixed hinge supports are 50mm away from the length edge of the second protection part.
8. The ultra-deep narrow space construction protection device of claim 7, wherein: the support piece adopts the member, the one end of member is passed through the bolt and is connected fifth connection structure, the other end of member is provided with rubber construction for stretch into first punching a hole.
9. The ultra-deep narrow space construction protection device according to any one of claims 1 to 3, characterized in that: the hoisting structure is used for lifting lugs and is provided with at least two lifting lugs, wherein one lifting lug is positioned at 1/5 of the length of the first protection part, and the other lifting lug is positioned at 4/5 of the length of the first protection part.
10. A construction method of the ultra-deep narrow space construction protection device according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, preparing before construction, wherein the preparation comprises that the placement place of the ultra-deep narrow space construction protection device is flat, free of sundries, complete and stable in structure, and can bear loads of tools and corresponding equipment, machines, vehicles, personnel and the like;
s2, mounting a fixing mechanism, namely drilling a reserved hole on the floor slab according to a designed distance, placing the processed I-steel at the reserved hole, and anchoring the I-steel by using a U-shaped anchor ring;
s3, installing a guide rod mechanism, namely connecting and fastening two standard knot guide rods at the end parts of the guide rods by using bolts after hole sites at two ends of one guide rod are aligned, and then overlapping and fastening the guide rods at the extension sections by using overlapping plates according to the designed length;
s4, mounting the protection main body, aligning hole sites at two ends of the first protection part with the first punched holes of the guide rod, and then connecting and fastening by bolts;
s5, key node inspection, including whether a weld joint is flawless, whether a U-shaped anchor ring is anchored tightly, whether a bolt joint is fastened, whether a guide rod is bent and deformed, and whether a hinge is damaged;
s6, hoisting, namely hanging the lifting lug by using hoisting equipment such as a winch or a tower crane and the like, aligning the hole position of the free end of the guide rod to the position of the I-shaped steel hole, fastening by using a bolt, and finally supporting the second protection piece by using a support piece according to the using angle;
s7, constructing an outer wall, namely constructing in a protected area after the construction protection device in the ultra-deep narrow space at the top is installed;
s8, backfilling earthwork, after construction is finished, inserting the adjustable supporting piece into the hole position of the first punched hole, adjusting the gradient of the second protection piece according to a certain angle, then dumping the trolley or manually bulldozing to the ground right above the ultra-deep narrow space construction protection device, and after earthwork of 200-300 mm is filled in layers, ramming tightly by using a ramming machine in layers;
s9, lifting the ultra-deep narrow space construction protection device, hanging lifting lugs by using lifting equipment such as a winch or a tower crane and the like when the height of the ultra-deep narrow space construction protection device is required to be adjusted to a certain height, aligning the free end hole position of the guide rod to an I-shaped steel hole position, fastening by using bolts, and sequentially dismantling one or more standard joints from the longest end;
s10, disassembling the ultra-deep narrow space construction protection device, immediately disassembling the ultra-deep narrow space construction protection device after construction is finished or after the tool is not needed, removing the ultra-deep narrow space construction protection device to a safe position by using the lifting lug during disassembly, then sequentially disassembling the ground U-shaped anchor ring and the I-shaped steel, disassembling the guide rod mechanism, the protection main body and the supporting piece on the open and flat ground, and orderly collecting and releasing all components to ensure reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211528445.8A CN115749339A (en) | 2022-11-29 | 2022-11-29 | Ultra-deep narrow space construction protection device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211528445.8A CN115749339A (en) | 2022-11-29 | 2022-11-29 | Ultra-deep narrow space construction protection device and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115749339A true CN115749339A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211528445.8A Pending CN115749339A (en) | 2022-11-29 | 2022-11-29 | Ultra-deep narrow space construction protection device and construction method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN115749339A (en) |
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2022
- 2022-11-29 CN CN202211528445.8A patent/CN115749339A/en active Pending
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