CN214666435U - Foundation ditch blasting is with covering protector - Google Patents
Foundation ditch blasting is with covering protector Download PDFInfo
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- CN214666435U CN214666435U CN202120567846.9U CN202120567846U CN214666435U CN 214666435 U CN214666435 U CN 214666435U CN 202120567846 U CN202120567846 U CN 202120567846U CN 214666435 U CN214666435 U CN 214666435U
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- switching
- foundation pit
- steel frame
- blasting
- frame structure
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Abstract
The utility model relates to a foundation pit blasting auxiliary assembly, concretely relates to foundation pit blasting is with covering protector, including big gun quilt and latticed steel frame construction, steel frame construction includes a plurality of location switching subassemblies and a plurality of vaulting poles, location switching subassembly includes the switching piece, be equipped with a plurality of ball grooves sunken to the inboard of switching piece on the outer wall of switching piece, spacing rotation cooperation has spherical fixture block in the ball groove, is connected through the vaulting pole between the spherical fixture block in two corresponding ball grooves on two adjacent switching pieces, and the outside of the one row of switching piece that lies in the outermost periphery is installed a bar locating plate through the locating support; the big gun is installed through the wire under the steel frame construction, the utility model discloses simple structure, whole tensile strength is stronger, is convenient for expand and pack up, when carrying out the foundation ditch blasting operation, and the buffering effect is obvious, and is comparatively safe, has ensured the security of foundation ditch blasting.
Description
Technical Field
The utility model relates to a foundation ditch blasting auxiliary assembly, concretely relates to foundation ditch blasting is with covering protector.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The foundation pit belongs to temporary engineering and has the function of providing a space so that the basic masonry operation can be carried out according to the position specified by design.
At present, a serial spaced loading structure is mainly adopted in foundation pit blasting, and explosives are filled in a foundation pit according to the specified linear loading density.
After the explosive is filled in the foundation pit, before blasting operation is performed, in order to ensure safety during blasting, the upper end of the foundation pit needs to be covered with a blasting quilt, and the blasting quilt is used for buffering impact force generated during blasting.
When the existing cannon is covered and buffered, the buffering capacity is relatively weak, and certain potential safety hazards exist.
Disclosure of Invention
An object of the utility model is to provide a foundation ditch blasting is with covering protector.
To achieve the purpose, the utility model adopts the following technical proposal:
the covering protection device for foundation pit blasting comprises a gun-cover and a latticed steel frame structure, wherein the steel frame structure comprises a plurality of positioning switching components and a plurality of support rods, each positioning switching component comprises a switching block, a plurality of spherical grooves sunken towards the inner side of the switching block are formed in the outer wall of the switching block, spherical fixture blocks are in limiting and rotating fit in the spherical grooves, the spherical fixture blocks in two corresponding spherical grooves on two adjacent switching blocks are connected through the support rods, and a strip-shaped positioning plate is arranged on the outer side of one row of the switching blocks located on the outermost periphery through a positioning support;
the cannon is mounted directly below the steel frame structure by a wire.
Preferably, be equipped with the through-hole that link up from top to bottom can on the terminal surface of switching piece, the upper end of switching piece is equipped with the pipe of platykurtic, and pipe and the coaxial distribution of through-hole, and the lower extreme of wire is woven in the big gun quilt, the other end of wire passes through-hole and pipe in proper order, and the tip winding is on the outer wall of pipe.
Preferably, the end face of the strip-shaped positioning plate is provided with a through hole for the expansion bolt to pass through.
Preferably, the conduit and the junction block are one piece.
Preferably, the strip-shaped positioning plates are respectively positioned at the left edge and the right edge of the steel frame structure.
Preferably, the stay bar and the spherical fixture blocks at the two ends of the stay bar are integrally formed.
Has the advantages that: the utility model discloses when using, lay in the top of foundation ditch, and the position at edge and the peripheral plane contact of foundation ditch, pass expansion bolts from the perforation on the terminal surface of bar locating plate, and beat in the peripheral earth's surface below of foundation ditch, make the utility model discloses can be better cover the foundation ditch, work as the utility model discloses expand and carry out the location after, steel frame structure is in an expanded state, because the globular fixture block of the tip of the vaulting pole between switching piece and the switching piece is with set up the spacing normal running fit in the ball groove of switching piece side, and big gun is set up in steel frame structure's below again, under the effect of gravity, after expanding the utility model discloses because gravity, the position that is located in the middle can be flagging to the below of foundation ditch, provides certain buffering fluctuation range for buffering the impact force, improves the buffering effect, improves the security of foundation ditch blasting;
in addition, the gun quilt is positioned by the metal wire woven on the gun quilt, and the end part of the metal wire passes through the through hole and the guide pipe and is wound on the guide pipe, so that the gun quilt is convenient to assemble, disassemble and replace; steel frame mechanism has improved the utility model discloses a whole tensile strength, and be convenient for expand and pack up, it is comparatively convenient.
The utility model discloses simple structure, whole tensile strength is stronger, is convenient for expand and pack up, when carrying out the foundation ditch blasting operation, the buffering effect is obvious, and is comparatively safe, has ensured the security of foundation ditch blasting.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
1-quilt-firing, 2-switching block, 3-conduit, 4-metal wire, 5-ball groove, 6-ball-shaped fixture block, 7-stay bar, 8-positioning bracket, 9-strip-shaped positioning plate and 10-perforation.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 and 2, the covering protection device for foundation pit blasting comprises a gun cover 1 and a latticed steel frame structure, wherein the steel frame structure comprises a plurality of positioning switching assemblies and a plurality of support rods 7, each positioning switching assembly comprises a switching block 2, a plurality of ball grooves 5 which are recessed towards the inner sides of the switching blocks 2 are formed in the outer wall of each switching block 2, spherical fixture blocks 6 are in limited rotary fit in the ball grooves 5, the spherical fixture blocks 6 in two corresponding ball grooves 5 on two adjacent switching blocks 2 are connected through the support rods 7, and a strip-shaped positioning plate 9 is mounted on the outer side of the row of switching blocks 2 located on the outermost periphery through positioning brackets 8;
the cannon quilt 1 is installed under the steel frame structure through a metal wire 4.
In this embodiment, be equipped with the through-hole that link up from top to bottom can on the terminal surface of commentaries on classics piece 2, the upper end of commentaries on classics piece 2 is equipped with the pipe 3 of platykurtic, and pipe 3 and the coaxial distribution of through-hole, and the lower extreme of wire 4 is woven in big gun quilt 1, through-hole and pipe 3 are passed in proper order to the other end of wire 4, and the tip winding is on the outer wall of pipe 3.
In this embodiment, the end surface of the strip-shaped positioning plate 9 is provided with a through hole 10 for passing an expansion bolt.
In the present embodiment, the conduit 3 is in one piece with the transfer block 2.
In this embodiment, the strip-shaped positioning plates 9 are respectively located at the left and right edges of the steel frame structure.
In the present embodiment, the stay 7 and the ball-shaped latches 6 at both ends of the stay 7 are integrally formed.
When in use, the utility model is laid above the foundation pit, the edge position is contacted with the plane at the periphery of the foundation pit, the expansion bolt passes through the perforation on the end surface of the strip-shaped positioning plate 9, and is arranged below the ground surface at the periphery of the foundation pit, so that the utility model can better cover the foundation pit, when the utility model is unfolded and positioned, the steel frame structure is in an unfolded state, because the spherical fixture block 6 at the end part of the stay bar 7 between the adapter block 2 and the adapter block 2 is in limited rotation fit with the spherical groove 5 arranged at the side end of the adapter block 2, and the gun quilt 1 is arranged below the steel frame structure, under the action of gravity, after the device is unfolded, the part positioned in the middle can droop below the foundation pit due to the action of gravity, so that a certain buffer fluctuation range is provided for buffering impact force, the buffer effect is improved, and the safety of foundation pit blasting is improved;
in addition, the cannon quilt 1 is positioned by the metal wire woven on the cannon quilt 1, the end part of the metal wire passes through the through hole and the guide pipe and is wound on the guide pipe, and the assembly, the disassembly and the replacement of the cannon quilt are convenient; steel frame mechanism has improved the utility model discloses a whole tensile strength, and be convenient for expand and pack up, it is comparatively convenient.
The utility model discloses simple structure, whole tensile strength is stronger, is convenient for expand and pack up, when carrying out the foundation ditch blasting operation, the buffering effect is obvious, and is comparatively safe, has ensured the security of foundation ditch blasting.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The covering protection device for foundation pit blasting is characterized by comprising a gun cover (1) and a latticed steel frame structure, wherein the steel frame structure comprises a plurality of positioning switching assemblies and a plurality of support rods (7), each positioning switching assembly comprises a switching block (2), a plurality of spherical grooves (5) which are sunken towards the inner sides of the switching blocks (2) are formed in the outer wall of each switching block (2), spherical fixture blocks (6) are arranged in the spherical grooves (5) in a limiting and rotating matching mode, the spherical fixture blocks (6) in two corresponding spherical grooves (5) on two adjacent switching blocks (2) are connected through the support rods (7), and a strip-shaped positioning plate (9) is arranged on the outer side of the row of switching blocks (2) located at the outermost periphery through positioning supports (8);
the gun quilt (1) is installed under the steel frame structure through a metal wire (4).
2. The covering protection device for foundation pit blasting according to claim 1, wherein a through hole capable of penetrating up and down is formed in the end face of the adapter block (2), a flat guide pipe (3) is arranged at the upper end of the adapter block (2), the guide pipe (3) and the through hole are distributed coaxially, the lower end of the metal wire (4) is woven in the gun quilt (1), the other end of the metal wire (4) sequentially penetrates through the through hole and the guide pipe (3), and the end part of the metal wire is wound on the outer wall of the guide pipe (3).
3. A covering protector for foundation pit blasting according to claim 1, characterized in that the end face of the strip-shaped positioning plate (9) is provided with a through hole (10) for an expansion bolt to pass through.
4. A coverage guard for foundation pit blasting according to claim 2, characterized in that the conduit (3) is in one piece with the adaptor block (2).
5. A coverage guard for foundation pit blasting according to claim 1, characterized in that the strip-shaped positioning plate (9) is located at the left and right edges of the steel frame structure, respectively.
6. The covering protection device for foundation pit blasting according to claim 1, wherein the stay rod (7) and the spherical fixture blocks (6) at two ends of the stay rod (7) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567846.9U CN214666435U (en) | 2021-03-19 | 2021-03-19 | Foundation ditch blasting is with covering protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567846.9U CN214666435U (en) | 2021-03-19 | 2021-03-19 | Foundation ditch blasting is with covering protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214666435U true CN214666435U (en) | 2021-11-09 |
Family
ID=78454348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567846.9U Active CN214666435U (en) | 2021-03-19 | 2021-03-19 | Foundation ditch blasting is with covering protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214666435U (en) |
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2021
- 2021-03-19 CN CN202120567846.9U patent/CN214666435U/en active Active
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