CN213015591U - Deep basal pit construction safety protection canopy - Google Patents
Deep basal pit construction safety protection canopy Download PDFInfo
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- CN213015591U CN213015591U CN202021499154.7U CN202021499154U CN213015591U CN 213015591 U CN213015591 U CN 213015591U CN 202021499154 U CN202021499154 U CN 202021499154U CN 213015591 U CN213015591 U CN 213015591U
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Abstract
The utility model relates to a deep basal pit construction safety protection canopy, including door type frame, door type frame is the door type structure protection frame of compriseing long steel pipe and short steel pipe, the side protection frame that is on door type frame both sides limit, the top protection frame that is at door type frame top, the protection frame is including vertical steel pipe and horizontal steel pipe, vertical steel pipe and horizontal steel pipe interconnect constitute square structure's truss, be equipped with the protection plank through the buckle on the side protection frame of door type frame both sides, this protection plank can block the clearance between the steel pipe on the side protection frame, door type frame sets up in the foundation ditch. The door-shaped frame is assembled by adopting the steel pipes for erecting the scaffold, the material taking is convenient, the disassembly is convenient, the material consumption is saved, the supporting mode is convenient and economic, the material recovery rate is high, the loss is small, the cost is low, and the safety and the reliability are realized. If the top is covered, the influence of rainy days is avoided, all-weather construction can be carried out, and the construction progress is accelerated.
Description
Technical Field
The utility model relates to a construction safety technical field, especially one kind relate to deep basal pit support construction safety technique.
Background
The construction of the deep foundation pit is an important subsection project of building construction, particularly the construction safety of the deep foundation pit, prior to implementation, relevant legal documents are issued by the national construction department, the construction of the deep foundation pit exceeding a certain depth needs to be written with special schemes for deep foundation pit excavation and supporting construction, and after the demonstration of organization experts of a construction general contract unit is passed, the construction can be carried out strictly according to the schemes. The supporting method of the deep foundation pit adopts the supporting modes of a retaining wall deep cement mixing pile, a high-pressure jet grouting pile, a channel steel sheet pile, a cast-in-situ bored pile, an underground continuous wall, a soil nailing wall and the like. The supporting methods have the disadvantages of various working procedures, long construction period and high cost. To these circumstances, the utility model relates to a deep basal pit struts construction safety protection frame can guarantee the construction operation work of accomplishing deep basal pit safely effectively. The supporting mode is convenient and fast, economic, high in material recovery rate, low in loss, low in cost, safe and reliable.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the construction safety protection shed for the deep foundation pit solves the problem of conventional deep foundation pit support, improves the support work efficiency of the deep foundation pit, and reduces the support cost.
The technical scheme for solving the technical problems is as follows: the utility model provides a deep basal pit construction safety protection canopy, including door type frame, door type frame is the door type structure protection frame of compriseing long steel pipe and short steel pipe, what door type frame both sides limit is side protection frame, what door type frame top is top protection frame, protection frame includes vertical steel pipe and horizontal steel pipe, vertical steel pipe and horizontal steel pipe interconnect constitute square structure's protection frame, be equipped with protection plank (or bamboo springboard) through the buckle on the side protection frame of door type frame both sides, this protection plank (or bamboo springboard) can block the clearance between the steel pipe on the side protection frame, door type frame sets up in the foundation ditch, protect the working face.
The utility model discloses a further technical scheme is: the side protection frames on two sides of the door-shaped frame are truss structures with the length and the width of 6 meters.
The side protection frames on two sides of the portal frame comprise 7 longitudinal steel pipes with the length of 6 meters and 7 transverse steel pipes with the length of 6 meters, and the 7 longitudinal steel pipes and the 7 transverse steel pipes are sequentially and uniformly distributed and connected to form a square truss structure.
The side face protection frames on two sides of the door-shaped frame are respectively provided with 2 inclined rods, and the 2 inclined rods are arranged on the end heads of the side face protection frames in a crossed mode.
The steel pipes which are vertically connected are connected through a cross fastener, and the steel pipes which are obliquely connected are connected through a rotary fastener.
The distance from the side face protection frames on the two sides of the portal frame to the foundation pit side slope is not less than 600mm, and the distance is a buffer area.
The two sides of the door-shaped frame are respectively provided with an inclined rod which is respectively connected with the side protective frames at the two sides of the door-shaped frame and the upper frame at the top.
Due to the adoption of the technical scheme, the utility model discloses a deep basal pit struts construction safety protection frame has following beneficial effect:
the utility model discloses the whole steel pipes that adopt to set up the scaffold frame of support body of well door type frame are assembled, and convenient for material collection assembles and dismantles the convenience, and the material is economized with the material, and the convenient economy of this kind of supporting mode, material rate of recovery are high, the loss is little, and is with low costs, safe and reliable. The utility model discloses the protection frame can be repeated the turnover and use, treats after accomplishing a working section. And integrally transferring the whole body to the next working section by using a crane for safety protection. Compared with the traditional deep foundation pit supporting method, the safety protection frame is easy to operate, simple in material consumption and low in cost, and is very suitable for supporting the deep foundation pit which cannot be subjected to pile driving.
The technical features of the safety protection shed for deep foundation pit construction according to the present invention will be further described with reference to the drawings and embodiments.
Drawings
FIG. 1: the utility model relates to a structure schematic diagram of deep basal pit construction safety protection canopy.
FIG. 2: the structure schematic diagram of the protection frame on the side surface of the protection frame.
FIG. 3: the structure of the protection frame is not provided with the protection board.
FIG. 4: the structure of the U-shaped button is shown schematically.
In the above drawings, the respective reference numerals are explained as follows:
1-door type frame, 2-side protective frame, 3-steel pipe, 31-transverse steel pipe, 32-longitudinal steel pipe, 4-U-shaped buckle, 5-protective wood plate, 6-abutment foundation, 7-foundation pit, 8-foundation pit side slope.
Detailed Description
The utility model provides a deep basal pit construction safety protection canopy, including door type frame 1, door type frame is the door type structure protection frame of compriseing long steel pipe and short steel pipe, what door type frame both sides limit is side protection frame 2, what door type frame top was the top protection frame, the protection frame includes vertical steel pipe 32 and horizontal steel pipe 31, vertical steel pipe and horizontal steel pipe interconnect constitute square structure's protection frame, be equipped with protection plank 5 through the buckle on the side protection frame of door type frame both sides, this protection plank 5 can block the clearance between steel pipe 3 on the side protection frame, and effectively block sand and stone that the foundation ditch side slope landing gets off, door type frame sets up in foundation ditch 7, people just construct on foundation 6 in door type frame, what door type frame's primary function was preventing foundation ditch side slope 8 from collapsing and influencing people's construction on abutment basis. If the foundation pit is longer, a plurality of door type framves arrange in proper order and connect and set up in the foundation pit. The side protection frames on the two sides of the door-shaped frame are of a square structure with the length and the width of 6 meters, namely the side protection frames on the two sides of the door-shaped frame are formed by steel pipes with the length of 6 meters. The side protection frames on two sides of the portal frame comprise 7 longitudinal steel pipes with the length of 6 meters and 7 transverse steel pipes with the length of 6 meters, and the 7 longitudinal steel pipes and the 7 transverse steel pipes are sequentially and uniformly distributed and connected to form a square truss structure. Be equipped with 2 down tube on the side protection frame of door type frame both sides respectively, these 2 down tubes set up on the terminal surface of frame with crisscross mode, and these 2 down tubes are for consolidating the steel pipe on the side protection frame of door type frame both sides. The distance from the side protective frames on the two sides of the portal frame to the foundation pit side slope is not less than 600mm, and the distance is a buffer area. The steel pipes (or all the connecting rods) are connected through fasteners, the vertically connected steel pipes are connected through cross fasteners, the obliquely connected steel pipes are connected through rotating fasteners, the protective wood boards are arranged on the steel pipes of the protective frames on the two side faces of the door-shaped frame through U-shaped fasteners 4, and the protective wood boards are transversely arranged on the protective frames on the two side faces of the door-shaped frame. The two sides of the door-shaped frame are respectively provided with an inclined rod, and the inclined rods are respectively connected with the side protecting frames on the two sides of the door-shaped frame and the top protecting frame at the top of the door-shaped frame so that the door-shaped frame is more stable.
The specific embodiment is as follows: the utility model provides a deep basal pit construction safety protection canopy, the support body is whole to adopt the steel pipe of setting up the scaffold frame to assemble, and convenient for material selection, it is convenient to dismantle, and the material is economized with the material, and the convenient economy of this kind of supporting mode, material rate of recovery are high, the loss is little, and is with low costs, safe and reliable. For example, the bridge foundation has a length of 106m, a width of 5.2m and a pit depth of 5 m. In the basic work progress, adopted the utility model discloses a deep basal pit construction safety protection canopy. The utility model provides a deep basal pit construction safety protection canopy, includes door type frame, and door type frame is the door type truss structure that the top protection frame of connecting the constitution by the side protection frame of both sides and top protection frame, and door type frame can be constituteed with phi 48 x 3.5, the long scaffold steel pipe of 6.0m, fastener and guard plate. The steel pipes comprise longitudinal horizontal steel pipes 48 x 3.5 and longitudinal cross bracing steel pipes 48 x 3.5. Every six meters (exactly the standard length of the steel pipe) is used as a unit body, the unit body is assembled and molded at a safe place on the edge of the foundation pit, and after the foundation pit is excavated according to the requirements, the whole door-shaped frame is integrally transferred into the foundation pit. After the construction operation in the foundation pit is finished, the portal frame is integrally lifted up from the foundation pit and is placed into the next (section) foundation pit for use.
Referring to the attached drawings, the portal frame is detachably connected with fasteners by steel pipes 48 x 3.5 for erecting a scaffold, the height is generally within six meters, and the width is also within six meters, namely the portal frame can be a portal structure consisting of a truss type upper frame and two side frames, wherein the truss type upper frame consists of two long steel pipes and two short steel pipes. Two side face protection frames of the door-shaped frame respectively use two steel pipes as vertical rods, and the distance is 600 mm. The top protection frame of the portal frame adopts two steel pipes, and the distance between the top protection frame and the bottom protection frame is 1000 mm. In addition, two steel pipes are used for connecting the side protective frames at two sides through fasteners in an inclined manner of 45-60 degrees from the top protective frame (as shown in the figure). The side protection frames on two sides of the portal frame are formed by connecting seven steel pipes through fasteners by using longitudinal horizontal steel pipes with the length of 6 meters, the vertical distance is 900mm, and the number of the steel pipes is determined by calculating the height. Seven steel pipes are connected by 6 meters of steel pipes through fasteners at the top of the portal frame, the distance is 900mm, and the number of the steel pipes is determined by the calculation of the width. The steel pipes at the tops of the portal frames are connected together in a diagonal manner through fasteners by using the steel pipes at the tops of the portal frames to form a top horizontal cross brace. The upright posts of the outer frames of the side protective frames are connected by steel pipes on the two side protective frames of the door-shaped frame in a crossed manner along the vertical direction to form the continuous scissors support of the outer frames. The vertical rods of the side protective frames on the two sides of the door-shaped frame are horizontally connected by short steel pipes, the vertical distance is 900mm, and the number is calculated according to the height. A wood board 40mm thick, 3 m long and 300mm wide was fixed on the steel pipe by U-shaped buckles on the side protection frame as a protection plate. The steel bar phi 6 is processed into U-shaped buckles, the length of the U-shaped buckles is 125mm, screw threads of 30mm are arranged at two ends of each U-shaped buckle, each U-shaped buckle is provided with a small flat steel, the length of each flat steel is 100mm, the width of each flat steel is 40mm, and small holes of 8mm are drilled at corresponding positions of the small flat steels and are used for the ends of the U-shaped buckles to penetrate through. Two screw caps are arranged on each U-shaped buckle, and the aperture is matched with the diameter of the U-shaped buckle.
A safety protection shed for deep foundation pit construction comprises an inner vertical rod, an outer vertical rod, a horizontal rod, an inclined rod, a cross brace, a right-angle fastener, a rotary fastener, a bamboo springboard and a door-shaped frame which is erected to form an integral truss structure. The portal frame is made into a tool type truss according to a certain length, can be repeatedly used in a turnover mode, and is used after a working section is completed. And integrally transferring the whole body to the next working section by using a crane for safety protection. Compared with the traditional deep foundation pit supporting method, the safety protection frame is easy to operate, simple in material consumption and low in cost, and is very suitable for supporting the deep foundation pit which cannot be subjected to pile driving. The longitudinal horizontal rods for building the safety protection frame are selected from phi 48X 3.5 and 6.0m long scaffold steel tubes, other steel tubes are also selected from phi 48X 3.5 steel tubes, and the length is determined according to the specific size of the side protection frame. The length of the safety protection frame of each unit is fixed to be 6.0m, so that the 6.0m long steel pipe can be fully utilized. When in supporting, the supporting device can be a single unit body door-shaped frame, and also can be used by combining two or more units.
The safety protection frame of each unit body can be formed from seven door-shaped frames which are assembled by using steel pipes, after the door-shaped frames are assembled, the door-shaped frames are vertically arranged along the safety protection frame in a longitudinally equidistant mode, then the seven door-shaped frames are connected by using horizontal steel pipes, the connection of other rod pieces is perfected according to a design drawing, and the cross braces on two sides are erected according to the design. Finally, the thick wood plates (40 mm) are arranged on two sides of the safety protection frame and fixed on the steel pipes by U-shaped buckles. The materials for setting up the protective frame are all composed of steel pipes, fasteners and thick wood plates. The length of each unit body is 6.0m, and the lengths of other rod pieces are determined according to actual needs. The width of the portal frame is determined according to the width of a construction foundation (construction) plus the width of a working face required by two sides. The width of the working face is generally set to 600mm according to the construction specification. In order to ensure the safety and stability of the vertical plane of the door-shaped frame, the left side and the right side of the upper surface of the door-shaped frame are respectively provided with an oblique scissor brace rod, and on the plane through which the oblique rods pass, the oblique scissor brace rods are connected by a rotary fastener as long as the oblique rods meet the door-shaped frame. In order to effectively prevent earthwork on two sides of a foundation pit side slope from collapsing and falling into a construction working face and protect safety of operators and the working face, wood boards or templates are required to be installed on vertical faces on two longitudinal sides of a protection frame, a fixed steel pipe and the templates can be installed through an anchoring ring (U-shaped buckle), and the anchoring ring is manufactured in the attached drawing.
Claims (7)
1. The utility model provides a deep basal pit construction safety protection canopy which characterized in that: including door type frame, door type frame is the door type structure protection frame of compriseing long steel pipe and short steel pipe, door type frame both sides limit for the side protection frame, the top protection frame of door type frame top, the protection frame is including vertical steel pipe and horizontal steel pipe, vertical steel pipe and horizontal steel pipe interconnect constitute square structure's protection frame, the side protection frame of door type frame both sides is equipped with the protection plank through the buckle, this protection plank can block the clearance between the steel pipe on the side protection frame, door type frame sets up in the foundation ditch.
2. The deep foundation pit construction safety protection shed according to claim 1, characterized in that: the side protection frames on the two sides of the door-shaped frame are of a square structure with the length and the width of 6 meters.
3. The deep foundation pit construction safety protection shed according to claim 2, characterized in that: the side protection frames on two sides of the portal frame comprise 7 longitudinal steel pipes with the length of 6 meters and 7 transverse steel pipes with the length of 6 meters, and the 7 longitudinal steel pipes and the 7 transverse steel pipes are sequentially and uniformly distributed and connected to form a square truss structure.
4. The deep foundation pit construction safety protection shed according to claim 1, characterized in that: the side face protection frames on two sides of the door-shaped frame are respectively provided with 2 inclined rods, and the 2 inclined rods are arranged on the end heads of the frames in a crossed mode.
5. The deep foundation pit construction safety protection shed according to claim 1, characterized in that: the steel pipes which are vertically connected are connected through a cross fastener, and the steel pipes which are obliquely connected are connected through a rotary fastener.
6. The deep foundation pit construction safety protection shed according to claim 1, characterized in that: the distance from the side protective frames on the two sides of the portal frame to the foundation pit side slope is not less than 600mm, and the distance is a buffer area.
7. The deep foundation pit construction safety protection shed according to claim 1, characterized in that: the two sides of the door-shaped frame are respectively provided with an inclined rod which is respectively connected with the side protection frames at the two sides of the door-shaped frame and the frame at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499154.7U CN213015591U (en) | 2020-07-23 | 2020-07-23 | Deep basal pit construction safety protection canopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499154.7U CN213015591U (en) | 2020-07-23 | 2020-07-23 | Deep basal pit construction safety protection canopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213015591U true CN213015591U (en) | 2021-04-20 |
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ID=75518336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021499154.7U Active CN213015591U (en) | 2020-07-23 | 2020-07-23 | Deep basal pit construction safety protection canopy |
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| Country | Link |
|---|---|
| CN (1) | CN213015591U (en) |
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2020
- 2020-07-23 CN CN202021499154.7U patent/CN213015591U/en active Active
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