CN214701971U - Safety device is demolishd in prestressing force roof beam blasting - Google Patents
Safety device is demolishd in prestressing force roof beam blasting Download PDFInfo
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- CN214701971U CN214701971U CN202120549733.6U CN202120549733U CN214701971U CN 214701971 U CN214701971 U CN 214701971U CN 202120549733 U CN202120549733 U CN 202120549733U CN 214701971 U CN214701971 U CN 214701971U
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Abstract
The utility model discloses a prestressed beam blasting demolition safety protection device, which comprises a safety protection frame consisting of a protection frame A and a protection frame B, wherein both side walls of the protection frame A are provided with clamping grooves, both side walls of the protection frame B are provided with clamping convex plates, the protection frame B is provided with a protection box fixing device, the protection box fixing device comprises a fixing belt coiler, a fixing belt is arranged in the fixing belt coiler, the front end and the rear end of the fixing belt coiler on the rear side wall of the protection frame B are respectively and fixedly connected with a fixing belt buckle I and a fixing belt buckle II, a fixing plate is welded between both side walls in the protection frame A and the protection frame B at equal intervals, through holes are arranged on the fixing plate at equal intervals, and dust removal water bags are nested in the through holes, the utility model has the advantages of convenient assembly and disassembly of the safety protection device, good noise reduction effect, long service life and the like.
Description
Technical Field
The utility model relates to a safety protection technical field is demolishd in the blasting of prestressed beam, specifically is a safety protection device is demolishd in the blasting of prestressed beam.
Background
The method is characterized in that a prestressed beam is applied to the beam in advance to generate a negative bending moment in a span so as to partially offset the positive bending moment of the beam in use, the dismantling of the prestressed beam takes the dismantling efficiency and the dismantling cost into consideration, a blasting dismantling method is usually adopted, and the existing prestressed beam blasting dismantling usually needs a safety protection device to carry out safety protection on the prestressed beam blasting, but the problems of inconvenient assembly and disassembly of the safety protection device, poor noise reduction effect, short service life and the like exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a safety device is demolishd in the blasting of prestressed beam, safety device's equipment and dismantlement are convenient, reduce the labour, and noise reduction effect is good, and long service life can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a prestressed beam blasting demolition safety protection device comprises a safety protection frame consisting of a protection frame A and a protection frame B, wherein the protection frame A and the protection frame B are both U-shaped structures, clamping grooves are formed in two side walls of the protection frame A, clamping convex plates are arranged on the two side walls of the protection frame B at positions corresponding to the clamping grooves and are matched with the clamping convex plates, a protection box fixing device is arranged on the protection frame B and comprises a fixing belt retractor, a fixing belt is arranged in the fixing belt retractor, a chuck is fixedly connected to the head of the fixing belt, a fixing belt fastener I and a fixing belt fastener II are fixedly connected to the front end and the rear end of the fixing belt retractor on the rear side wall of the protection frame B respectively, and fixing plates are welded between the two side walls inside the protection frame A and the protection frame B at equal intervals, the fixed plate is provided with through holes at equal intervals, and the dust removal water bags are embedded in the through holes.
Furthermore, the upper surfaces of the protection frame A and the protection frame B are provided with placing grooves, the placing grooves are of U-shaped structures, the lower surfaces of the protection frame A and the protection frame B are provided with placing lugs at positions corresponding to the placing grooves, and the placing grooves are matched with the structures for placing the lugs.
Furthermore, the outer surfaces of the protection frame A and the protection frame B are both provided with guide grooves, and the width of each guide groove is matched with the width of each fixing band.
Further, the inside and outside surface of protection frame A and protection frame B all sprays and has the antirust coating, the equal fixedly connected with carbon fiber plate of internal surface of protection frame A and protection frame B, the internal surface of carbon fiber plate all bonds and has polyurethane shock attenuation sound insulating pad.
Compared with the prior art, the beneficial effects of the utility model are that: this safety device is demolishd in prestressing force beam blasting, the high shock resistance through carbon fiber plate and polyurethane shock attenuation sound-proof pad with fall the performance of making an uproar and improve safety protection frame's life and fall the performance of making an uproar, through the standing groove that is equipped with on protection frame A and the protection frame B and the equipment and the dismantlement of placing the lug and being convenient for a plurality of safety protection frames, fix two pairs of protection frame A and protection frame B through fixed band, fixed band opening one and fixed band buckle, the equipment is convenient, the reduction labour.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the safety box of the present invention;
FIG. 3 is a side view of the protection frame A of the present invention;
fig. 4 is a partial sectional view of the protection frame a of the present invention.
In the figure: 1 protective frame A, 2 protective frame B, 3 inlay card groove, 4 joint flange, 5 protective housing fixing device, 51 fixed band coiler, 52 fixed band buckle one, 53 dops, 54 fixed band buckle two, 6 fixed plates, 7 dust removal water bag, 8 standing grooves, 9 place the lug, 10 guide ways, 11 anti rust coating, 12 carbon fiber board, 13 polyurethane shock attenuation sound insulating pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: a safety protection device for blasting demolition of a prestressed beam comprises a safety protection frame consisting of a protection frame A1 and a protection frame B2, wherein the protection frame A1 and the protection frame B2 are U-shaped structures, clamping grooves 3 are formed in two side walls of the protection frame A1, clamping convex plates 4 are arranged at positions corresponding to the clamping grooves 3 on the two side walls of the protection frame B2, the clamping grooves 3 are matched with the clamping convex plates 4, a protection box fixing device 5 is arranged on a protection frame B2, the protection box fixing device 5 comprises a retractor fixing belt 51, a fixing belt is arranged in the fixing belt retractor 51, a head of the fixing belt is fixedly connected with a clamping head 53, a first fixing belt buckle 52 and a second fixing belt buckle 54 are fixedly connected to the front end and the rear end of the fixing belt retractor 51 on the rear side wall of the protection frame B2 respectively, fixing plates 6 are welded at equal intervals between the two side walls inside the protection frame A1 and the protection frame B2, the through-hole of having seted up of impartial interval on the fixed plate 6, and all nested dust removal water bag 7 in this through-hole, inlay card groove 3 that is equipped with on protecting frame A1 and protecting frame B2 can adjust the width between protecting frame A1 and the protecting frame B2, can be used for the not prestressing force roof beam blasting of equidimension to demolish the protection, through fixed band 51, fixed band opening one 52 and two 53 of fixed band buckle are fixed protecting frame A1 and protecting frame B2, and is convenient for fixing, reduce the labour, the impact force that produces when the prestressing force roof beam blasting was demolishd makes dust removal water bag 7 take place to break and carry out the water smoke and remove dust.
Further, standing groove 8 has all been seted up to the upper surface of protective frame A1 and protective frame B2, and standing groove 8 is U type structure, protective frame A1 and protective frame B2's lower surface is equipped with the placing lug 9 in the position department that is located corresponding standing groove 8, standing groove 8 and the structure looks adaptation of placing lug 9 are convenient for the equipment and the dismantlement of a plurality of safety protection frames through standing groove 8 and placing lug 9 that are equipped with on protective frame A1 and protective frame B2.
Further, the surface of protective frame A1 and protective frame B2 all is equipped with guide way 10, the width of guide way 10 and the width looks adaptation of fixed band, through the fixed guide effect that plays of guide way 10 to the winding of fixed band, prevent that the fixed band off tracking from influencing safety protection frame's structural strength.
Further, the interior external surface of protective frame A1 and protective frame B2 all sprays antirust coating 11, the equal fixedly connected with carbon fiber plate 12 of internal surface of protective frame A1 and protective frame B2, the internal surface of carbon fiber plate 12 all bonds and has polyurethane shock attenuation sound insulating pad 13, and the high shock resistance and the noise reduction performance through carbon fiber plate 12 and polyurethane shock attenuation sound insulating pad 13 improve the life and the noise reduction performance of safety protective frame.
When in use: the protection frame A1 and the protection frame B2 are nested and spliced together at the position corresponding to blasting, the fixing belt in the fixing belt retractor 51 is pulled to penetrate through the first fixing belt buckle 52 and then wind around the guide groove 10 for one circle, then the second fixing belt buckle 54 penetrates through the second fixing belt buckle 53 on the fixing belt, the first buckle 52 and the second buckle 54 clamp the fixing belt, when the safety protection frame needs to be added, the placing lug 9 on the upper protection frame A1 is placed down along the placing groove 8 of the lower protection frame A1, the upper protection frame B2 is placed down along the embedding groove 3 of the upper protection frame A1, the placing lug 9 of the upper protection frame B2 is embedded into the placing groove 8 of the lower protection frame B2, then the fixing is carried out through the protection box fixing device 5, and the plurality of safety protection frames are demolished through blasting to the prestress beam according to the above method for safety protection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a safety device is demolishd in prestressing force beam blasting, includes the safety protection frame of constituteing by protecting frame A and protecting frame B, its characterized in that: the utility model discloses a safety belt retractor, including protection frame A, protection frame B, joint protruding board, protective frame B, protective frame A's both sides wall, the position department that is located corresponding inlay card groove all is equipped with the joint protruding board on protective frame B's the both sides wall, just inlay card groove and joint protruding board looks adaptation, be equipped with protective box fixing device on protective frame B, protective box fixing device includes the fixed band coiler, be equipped with the fixed band in the fixed band coiler, and the head fixedly connected with dop of this fixed band, on the protective frame B rear side wall at the front and back end difference fixedly connected with fixed band buckle one and fixed band buckle two that is located the fixed band coiler, equidistant all welding has the fixed plate between the both sides wall of protective frame A and the inside protective frame B, equidistant through-hole of having seted up on the fixed plate, and all nested dust removal water bag in this through-hole.
2. The safety protection device for blasting demolition of prestressed beams as claimed in claim 1, wherein: the upper surfaces of the protection frame A and the protection frame B are both provided with a placing groove, the placing grooves are of U-shaped structures, the lower surfaces of the protection frame A and the protection frame B are provided with placing lugs at positions corresponding to the placing grooves, and the placing grooves are matched with the structures for placing the lugs.
3. The safety protection device for blasting demolition of prestressed beams as claimed in claim 1, wherein: the outer surfaces of the protection frame A and the protection frame B are both provided with guide grooves, and the width of each guide groove is matched with the width of each fixing band.
4. The safety protection device for blasting demolition of prestressed beams as claimed in claim 1, wherein: the interior external surface of protection frame A and protection frame B all sprays and has the antirust coating, the equal fixedly connected with carbon fiber plate of internal surface of protection frame A and protection frame B, the internal surface of carbon fiber plate all bonds and has polyurethane shock attenuation sound insulation pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549733.6U CN214701971U (en) | 2021-03-17 | 2021-03-17 | Safety device is demolishd in prestressing force roof beam blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549733.6U CN214701971U (en) | 2021-03-17 | 2021-03-17 | Safety device is demolishd in prestressing force roof beam blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214701971U true CN214701971U (en) | 2021-11-12 |
Family
ID=78571598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120549733.6U Active CN214701971U (en) | 2021-03-17 | 2021-03-17 | Safety device is demolishd in prestressing force roof beam blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214701971U (en) |
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2021
- 2021-03-17 CN CN202120549733.6U patent/CN214701971U/en active Active
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