A kind of monoblock type bursting work safty shield
Technical field
The utility model is related to a kind of explosion blindage protection technology field, particularly a kind of monoblock type bursting work is anti-safely
Shield.
Background technology
The safe covering methods that current building foundation pit solid rock bursting work uses mainly are carried out with monolithic steel plate
Covering, such safety covering, is required for devoting a tremendous amount of time carrying steel plate, and the steel of monolithic before and after each bursting work
Plate superposition covers, and is only overlapped without connection between bulk, under the action of bursting work blast, it is easy to slungshot is generated, it is right
Construction personnel and nearby residents, the personal safety of pedestrian can all bring very big influence.
Invention content
The purpose of this utility model is to provide a kind of monoblock type bursting work safty shield, is ensureing bursting work pair
Hard rock abolish speed under the premise of, it is ensured that the safety of bursting work, at the same weaken bursting work generation noise, tool
There are good economic benefit and social benefit, to solve the above problem existing for prior art.
To solve the above problems, the technical solution adopted in the utility model is:A kind of monoblock type bursting work security protection
Cover, the monoblock type bursting work protective cover include peripheral structure, cover board, hole cover board, protection muscle and the hanging ring of safty shield;
The peripheral structure forms four surrounding edges that bottom is plane by two blocks of longitudinal steel plates and two blocks of lateral steel plates, adjacent
Both sides are respectively longitudinal steel plate and lateral steel plate, and the height of longitudinal steel plate is more than lateral steel plate and forms lateral blast
Gas vent;Ribs and lower ribs are respectively arranged in the outside surrounding of peripheral structure, the upper ribs is arranged on
The top of lower ribs;The horizontal and vertical inside tension rib for intersecting more and interior ribs are internally provided in peripheral structure,
The internal tension rib includes lateral tension rib and longitudinal tension rib, and the longitudinal direction tension rib is disposed on two blocks of lateral steel plates
Between, the both ends of the longitudinal direction tension rib, which pass through lateral steel plate and overlap, to be welded on ribs;It is described transverse direction tension rib and
The interior ribs alternate intervals are arranged between two blocks of longitudinal steel plates, the both ends of the transverse direction tension rib and the interior ribs
It both passes through longitudinal steel plate and overlaps and be welded on ribs;
The cover board, which is arranged on the top of peripheral structure and is connect with longitudinal steel plate, is allowed to whole with peripheral structure formation one
Body;Cover board gas vent is provided in the middle part of the cover board;Lateral hole tension rib is provided at the lateral blast gas vent,
In " ┏ " or " ┓ " shape, horizontal segment welds the transverse direction hole tension rib with cover board, and vertical section is welded with lateral steel plate;Institute
It states protection muscle and is bent into " convex " font structure, larger one end is unenclosed construction, and " convex " font structure opens wide one end
Horizontal segment is welded with cover board, and vertical section is welded with longitudinal steel plate;The hole cover board, which is placed between cover board and protection muscle, to be covered
Cover cover board gas vent;
The hanging ring is arranged on longitudinal steel plate.
Its further technical solution is:It is described longitudinal direction tension rib respectively with lateral tension rib, the delivery position of interior ribs
It is welded to connect.
Its further technical solution is:It is described longitudinal direction steel plate height than the height of lateral steel plate be higher by 150mm ~
250mm。
The distance between the hole cover board and protection muscle convex top are:150mm~200mm.
Spacing between the transverse direction tension rib and interior ribs is 500mm, and the spacing between each longitudinal direction tension rib is
500mm。
The longitudinal direction steel plate, lateral steel plate and cover board are using the steel plate of the Q235 types of 4mm thickness.
The upper ribs, lower ribs and interior ribs use equal leg angle of the specification for L50*50*4.
The hole cover board is made of fibrous material.
Due to taking above technical scheme, a kind of monoblock type bursting work safty shield of the utility model is with following
Feature and advantageous effect:
(1)The safty shield of the utility model is using longitudinal steel plate 1, lateral steel plate 2, cover board 7 and inside and outside ribs
(I.e. upper ribs 3, lower ribs 4 and interior ribs 6)An entirety is welded into, makes the utility model device that there is higher hold
Carry power.
(2)Vertically and horizontally steel plate uses different height, and bottom is allowed to be consistent, and lateral blast row can be formed at the top of transverse direction
Stomata;Air pressure increases considerably suddenly in device when can effectively alleviate explosion.
(3)At lateral blast gas vent, drawknot is played with lateral 8 welded cover plate 7 of hole tension rib and lateral steel plate 2
Effect, so as to ensure stabilization of the lateral blast gas vent under blast effect.
(4)The horizontal and vertical inside tension rib 5 for intersecting more and interior is provided on the inside of the peripheral structure of the utility model
Ribs 6, mesh sheet intersection location is using welding;The rigidity of mesh sheet, reinforcing bar end can be increased as interior ribs 6 using angle steel
Head is anchored at ribs 3 and welds, and can be effective against side tension of the blast to safty shield.
(5)7 centre position of cover board of the utility model opens up cover board gas vent 71, can be from the device of the utility model
Blast is quickly discharged in face, reduces internal pressure;To prevent rubble from flying out from upper air-vent, hole that upper air-vent is fabricated to fiber
Velar plate 9 covers;Protect 10 mesh sheet of muscle that can effectively control the position of hole cover board 9 apart from hole cover board 150mm ~ 250mm;
Rigid flexible system not only effectively discharges blast, but also controls rubble very well and fly out.
(6)Longitudinal 1 four jiaos of welding hanging rings 11 of steel plate, the allocation and transportation and movement of convenient and safe protective cover.
(7)The safty shield of monoblock type can repeatedly lifting uses with one-pass molding, long-time, eliminates every separate explosion and makees
Industry is required for materials hauling to cover, and explosion need to arrange the time of covering material again after completing.
(8)Monoblock type safty shield safety and stability performance is good, can effectively exclude blast and control of flyrock stays in;It passes
The monolithic covering of system, which is connected, covers explosion, and slungshot is easy to while blast raises monolithic covering, fly out, make with blast
Into the very dangerous of bursting work.
(9)The covering allocation and transportation of monoblock type safty shield, only need 2 workers, 5 minutes are spent to complete every time;It is and identical
The explosion of area, conventional method covering need 8 workers to spend complete time hour, the covering cleaning after the completion of explosion
8 workers is needed to spend complete time hour again.Therefore, the protective cover of the utility model not only accelerates speed of application, very
Cost has been saved in big degree.
(10) monoblock type safty shield is integral by design welding, and stress is very good;And traditional material covering,
There is no any mechanics to be connected, easily cause the partial failure of covering, and covering material loss also can be very fast;It was both uneconomical,
Again not environmentally.
Described in synthesis, the technical solution of the utility model design is simple, intuitive, and construction and installation are convenient, convenient for allocating and transporting and moving
It is dynamic.A firm enclosure space is fabricated to by using steel plate, reinforcing bar, angle steel, fiber cover board, device is hard and soft to be used in combination, and is risen very well
The security protection to bursting work is arrived;In addition the safty shield consolidates durable, can repeatedly be used in turn.
In the following, in conjunction with the accompanying drawings and embodiments to a kind of technology of monoblock type bursting work safty shield of the utility model
Feature is further described.
Description of the drawings
Fig. 1 is a kind of overall effect structure diagram of monoblock type bursting work safty shield of the utility model;
Fig. 2 is a kind of three-dimensional exploded view of monoblock type bursting work safty shield of the utility model;
Fig. 3 is from the cross-sectional view analysed between lateral steel plate;
Fig. 4 is from the cross-sectional view analysed between longitudinal steel plate;
Fig. 5 is the protection peripheral structure schematic top plan view of the utility model;
Fig. 6 is the protective cover plate structure diagram of the utility model;
In figure:
1- longitudinal directions steel plate, 2- transverse direction steel plates, the upper ribs of 3-, ribs under 4-, tension rib inside 5-, 51- longitudinal directions drawknot
Muscle, 52- transverse direction tension ribs, ribs in 6-, 7- cover boards, 71- cover board gas vents, 8- transverse directions hole tension rib, 9- holes cover board,
10- protects muscle, 11- hanging rings.
Specific embodiment
Embodiment one:
A kind of monoblock type bursting work safty shield, as shown in Fig. 1 ~ Fig. 4, which includes
The peripheral structure of safty shield, cover board 7, hole cover board 9, protection muscle 10 and hanging ring 11;
The peripheral structure is carried out being welded to form the length that bottom is plane by two blocks of longitudinal steel plates 1 and two blocks of lateral steel plates 2
Four rectangular surrounding edges, adjacent both sides are respectively longitudinal steel plate 1 and lateral steel plate 2, and the height of longitudinal steel plate 1 is big
In lateral steel plate 2, it is therefore an objective to form lateral blast gas vent in transverse ends, reduce protection canopy internal pressure.Under normal circumstances,
The height of the longitudinal direction steel plate 1 is higher by 150mm ~ 250mm than the height of lateral steel plate 2.
Ribs 3 and lower ribs 4 are respectively arranged in the outside surrounding of peripheral structure, the upper ribs 3 is set
It puts in the top of lower ribs 4;The effect of ribs 3 is 5 reinforcement of weld of interior steel tie with increasing intensity in setting, it is ensured that
The anchored end of interior tension rib is reliable.The effect of the lower ribs 4 of setting is to strengthen the rigidity of lateral steel plate and longitudinal steel plate.
The horizontal and vertical inside tension rib 5 for intersecting more and interior ribs 6 are internally provided in peripheral structure(Referring to figure
5), the internal tension rib 5 includes lateral tension rib 52 and longitudinal tension rib 51, and the longitudinal direction tension rib 51 is disposed on two
Between block transverse direction steel plate 2, the both ends of the longitudinal direction tension rib 51, which pass through lateral steel plate and overlap, to be welded on ribs 3;Institute
It states lateral tension rib 52 and 6 alternate intervals of interior ribs is arranged between two blocks of longitudinal steel plates 1, the transverse direction tension rib 52
It both passes through longitudinal steel plate 1 with the both ends of the interior ribs 6 and overlaps and be welded on upper ribs 3.The work of tension rib in setting
With being drawknot of the strengthening phase to two blocks of steel plates, tension of the explosion blast to safty shield is resisted;The effect of ribs 6 in setting
It is the rigidity strengthened inside safty shield.Longitudinal direction tension rib 51 handing-over with lateral tension rib 52, interior ribs 6 respectively
Position using welding is attached, the purpose for the arrangement is that enhancing in drawknot reinforced net globality.
The cover board 7 is arranged on the top of peripheral structure and is connect with longitudinal steel plate 1 and is allowed to form one with peripheral structure
It is whole;The middle part of the cover board 7 is provided with cover board gas vent 71, such as reserves the exhaust of a 1m × 2m in cover board centre position
Hole prevents air pressure moment during explosion from increasing excess load, and protective cover is made to disintegrate.Horizontal stroke is provided at the lateral blast gas vent
To hole tension rib 8, transverse direction hole tension rib 8 is in " ┏ " or " ┓ " shape, and horizontal segment is welded with cover board 7, vertical section
It is welded with lateral steel plate 2, effect is that purpose is to strengthen the connection of cover board and lateral steel plate, prevents from rushing herein when arranging outside blast
It opens).The protection muscle 10 is bent into " convex " font structure, and larger one end is unenclosed construction, and " convex " font structure opens
The horizontal segment and cover board 7 for opening one end weld, and vertical section is welded with longitudinal steel plate 1, and effect is to increase cover board 7 and longitudinal steel
While plate 1 connects, prevent hole cover board 9 from flying out, play the role of protection to hole cover board 9.
The hole cover board 9 is placed between cover board 7 and protection muscle 10 and covers cover board gas vent 71;Ordinary circumstance
Under, the distance between the hole cover board 9 and protection 10 convex top of muscle are:15cm ~ 20cm, effect is effectively to control
The position of hole cover board 9;The hole cover board 9 selects fibrous material to be made, and has good intensity and toughness, it is therefore an objective to reserved
During cover board gas vent 71 is vented, rubble is prevented to fly out.
The hanging ring 11 is arranged on longitudinal steel plate 1, is selected in welding hanging ring 11 on four angles on longitudinal 1 top of steel plate,
Effect is for steel wire rope lashing location, facilitates allocation and transportation safty shield.
1 intensity of longitudinal steel plate in the present embodiment selects the steel plate of Q235 types, and longitudinal plate size is 6 meters of length,
Highly 0.7 meter, 4 millimeters of thickness.2 intensity of the transverse direction steel plate selects the steel plate of Q235 types, and lateral plate size is 4 meters of length,
Highly 0.55 meter, 4 millimeters of thickness.It follows that the transverse direction steel plate is lower 150mm than longitudinal steel plate.
Spacing between the transverse direction tension rib 52 and interior ribs 6 is 500mm, the spacing between each longitudinal direction tension rib 51
For 500mm.
The upper ribs 3, lower ribs 4 and interior ribs 6 use equal leg angle of the specification for L50*50*4, described
The length of lateral tension rib 52, longitudinal tension rib 51 respectively with the overlap joint welding of upper ribs 3 is generally 50mm.
A kind of production method of monoblock type bursting work safty shield described in the present embodiment one, it includes following step
Suddenly:
A, the peripheral structure that vertically and horizontally steel plate forms safty shield is welded:Longitudinal steel plate 1 and lateral steel plate 2 are welded
Form the peripheral structure of safty shield, it is desirable that full weld at the two link position.
B, two layers of ribs up and down is welded:Upper ribs 3 and lower ribs 4 are welded on longitudinal steel plate 1 and horizontal stroke by design drawing
On steel plate 2;The upper strata ribs 3 and lower floor's ribs 4 use equal leg angle of the specification for L50*50*4, described above to add
Wherein one equilateral is bonded with transverse and longitudinal steel plate of strong rib 3 is welded, two equilateral sidelines and the transverse and longitudinal steel of the lower ribs 4
Plate fitting is welded.
C, internal tension rib 5 and interior ribs 6 are welded:Before the welding of internal tension rib 5, need in longitudinal 1 He of steel plate
The corresponding position trepanning of lateral steel plate, the internal tension rib 5 of welding and interior ribs 6 after trepanning is completed;Interior ribs 6 and inside
Tension rib 5 needs to weld with 3 contact position overall length of upper strata ribs, so as to ensure the intensity of the anchored end of internal tension rib;It is interior
The main purpose of ribs 6 is to increase the rigidity of 5 mesh sheet of internal tension rib, is unlikely to be easily deformed.Longitudinal tension rib 51 and horizontal stroke
It should all be welded to the intersection of tension rib 52, interior ribs 6, so as to ensure the stabilization of mesh sheet and intensity.
D, the reinforcing bar corresponding at cover board of welded cover plate 7:Cover board 7 and the 1 overall length welding of longitudinal steel plate, it is desirable that weld seam is full;It is horizontal
It is welded as required with corresponding steel plate to hole tension rib 8 and protection muscle 10.Specifically, the horizontal segment of lateral hole tension rib 8 with
Cover board 7 welds, and vertical section is welded with lateral steel plate 2, and the horizontal segment of its unlimited one end of protection muscle 10 is welded with cover board 7, is erected
Straight section is welded with longitudinal steel plate 1.
E, hole cover board 9 and welding hanging ring 11 are laid with:Hole cover board 9 is covered at the reserved opening of cover board 7, is finally needed
4 hanging rings 11 are welded on longitudinal steel plate 1, i.e. bursting work safty shield welding is completed.
After the welding of bursting work safty shield is completed, construction site can be transported to tower crane, other machines can also be used
Tool is transported to construction site.With adjust with, very it is efficient and convenient.
The bursting work safty shield of the utility model is a monoblock type, and construction is simple, and structure is safe and reliable, hard and soft
It is used in combination, not only can guarantee the security performance of itself, but also can ensure what the discharge of blast during bursting work was gone out without generating slungshot
Situation;And the safty shield can with hang with, increase bursting work construction speed.The explosion of the utility model is made
Industry safty shield, one-pass molding can be used for multiple times for a long time, and can meet the safe application performance of bursting work.
The design principle of the utility model:
The bursting work safty shield of the utility model has been fabricated to by steel plate, reinforcing bar, angle steel, fiber cover board
Firm enclosure space.The rigidity of outside plate can be effectively ensured in setting twice angle steel ribs on the outside of protective cover;Interior layback
Knot flaccidity of tendon and muscle horizontal position welding connects, and can be effective against tension of the bursting work blast to device;Lateral steel plate is lower than longitudinal steel plate(To implement
For example one, lateral steel plate is lower 15cm than longitudinal steel plate), lateral exhaust passage can be formed in this position(I.e. lateral blast row
Stomata), reinforcing bar is used at lateral exhaust passage(Lateral hole tension rib 8)Drawknot is welded, prevents blast from being generated to side exhaust outlet broken
It is bad;Setting exhaust hole among cover board(Cover board gas vent 71), fiber cover board is covered on hole(Hole cover board 9), fiber cover board
Upside sets reinforcing bar protection network(Protect muscle 10), without generating slungshot in the case of can effectively being excluded ensureing blast.Implement
Effective height is 45cm on the inside of the protective cover of example one, can effectively be accommodated due to the expansion of bursting work rock volume.This practicality
Novel safty shield also sets up hanging ring, the allocation and transportation and movement of convenient and safe protective cover.