CN107084651B - For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method - Google Patents
For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method Download PDFInfo
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- CN107084651B CN107084651B CN201710461885.9A CN201710461885A CN107084651B CN 107084651 B CN107084651 B CN 107084651B CN 201710461885 A CN201710461885 A CN 201710461885A CN 107084651 B CN107084651 B CN 107084651B
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- Prior art keywords
- support arm
- deep
- foundation pit
- pit engineering
- vertical support
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/045—Detonation-wave absorbing or damping means
Abstract
One kind includes for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method, the device：Supporting frame, supporting frame includes support post, connection cross bar, three-way connector, holding members and adjustment means, the top of support post sets three-way connector, three-way connector, holding members and adjustment means connection are formed with top braces component, connection cross bar is fixedly connected by top braces component with support post, and upper supporting layer is formed with by connection cross bar and top braces component；Protection network, protection network are built on upper supporting layer.The method that the present invention selects steelframe that woven wire is added to combine can accurately reach design area coverage, since woven wire intensity is far above engineering cloth, can obstruct blasting flyrock to greatest extent.The steel frame construction of the present invention can also carry out polylith splicing according to actual burst region shape, have and be concisely and efficiently effect.The present invention can be repeated several times, and the reliability used every time can be guaranteed.
Description
Technical field
It is more specifically, more particularly to a kind of to be used for deep-foundation pit engineering the present invention relates to blasting protection equipment technical field
Supporting beam demolition blasting flyrock protection device and one kind are used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection method.
Background technology
Deep-foundation pit engineering is constructed in more bustling city center city mostly, the building corresponding to deep-foundation pit engineering
Body building height is higher, when carrying out explosion to skyscraper, when especially carrying out demolition blasting to its supporting beam, to ensure week
Side resident and building safety, it is necessary to the harm that stringent controlled blasting slungshot generates.
It is main that the upper of burst region is mounted on as protection main body using engineering cloth at present for the protection of blasting flyrock
Side.Existing blasting flyrock means of defence because use engineering cloth limited strength, in practical implementation part explosion fly
Stone can puncture protective cloth, can even puncture multilayer engineering cloth sometimes and damage to extraneous personnel and building.
Since engineering cloth is flexible material, it cannot be paved well when large area is laid with and it is caused to be laid with area
Design requirement, which is not achieved, or local leakage occurs causes falling rocks dangerous, and above-mentioned two situations all dramatically affect work
The reliability that journey cloth uses.
In addition, being protected using engineering cloth, used material is disposable, adds cost and to resource
Consumption.
The content of the invention
(1) technical problem
In conclusion how to solve the problems, such as that the use reliability carried out using engineering cloth present in flyrock protection is relatively low,
Become those skilled in the art's urgent problem to be solved.
(2) technical solution
The present invention provides one kind to be used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, including：
Supporting frame, the supporting frame include support post, connection cross bar, three-way connector, holding members and
Adjustment means, the support post are vertically arranged, and the bottom of the support post is used to fix with ground, the support post
Top sets the three-way connector, and the three-way connector includes horizontal support arm and the horizontal support arm vertical branch connected vertically
Arm and the horizontal support arm and vertical support arm vertical support arm connected vertically, the top of the vertical support arm and the support post
It is fixedly connected, the holding members include transverse plate, and the transverse plate is divided into the vertical support arm with the vertical support arm
Both sides, the transverse plate are fixedly connected with the vertical support arm, and the adjustment means include bottom plate, the bottom plate and the horizontal stroke
Support arm is divided into the both sides of the vertical support arm, and the bottom plate is fixedly connected with the vertical support arm, in being fixedly installed on bottom plate
There are adjusting support arm, the adjusting support arm and the bottom plate vertical connection, the adjusting support arm is provided with multiple, whole tune
Section support arm is in arranged in a straight line in vertical height and be arranged at intervals, the three-way connector, the holding members and the adjusting
Component connection is formed with top braces component, and the connection cross bar is fixed by the top braces component with the support post
Connection is formed with upper supporting layer by the connection cross bar with the top braces component；
Protection network, the protection network be by metal wire knitted into woven wire, the protection network built in the upper branch
It supports on layer.
Preferably, the three-way connector is the integral structure component being welded by angle bar or stainless steel plate.
Preferably, it is provided with reinforcing rib on the downside of the transverse plate, the transverse plate is stainless steel plate, the reinforcing rib
For stainless steel reinforcing rib, the reinforcing rib is welded to connect with the transverse plate.
Preferably, the bottom plate is stainless steel plate, and the adjusting support arm is stainless steel square tube, and the adjusting support arm passes through weldering
It connects and is fixedly installed on the bottom plate.
Preferably, the transverse plate is fixedly connected by bolt with the vertical support arm, the bottom plate and the vertical branch
Arm is fixedly connected.
Preferably, the protection network is the steel wire worked out by steel wire.
Preferably, the side of the protection network is provided with metal hemming edge.
The present invention also provides it is a kind of using it is above-mentioned for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device into
The method of row flyrock protection, the specific steps of this method include：
Supporting frame is fixedly installed on the ground in the depression area of slungshot around deep-foundation pit engineering building；
After the supporting frame is fixed, protection network is installed on the supporting frame；
After the completion of explosion, the protection network is removed from the supporting frame, afterwards by the supporting frame from ground
It is removed on face.
(3) advantageous effect
In said structure design, support post is vertically arranged on the ground, and its one end, which is inserted into soil, realizes fixation,
One cement base either is set in the bottom of support post, the fixation of support post is realized by cement base.It is supporting
The top of column sets three-way connector, and three-way connector is act as：Realize the assembling of support framework and adjustment means, with
And it is used to implement support post and connects the assembling of cross bar.From said structure design, the end for connecting cross bar can be with three
The adjusting support arm led in the horizontal support arm and vertical support arm of fitting, support framework and adjustment means is fixedly connected, and is so supported
A very high framework of intensity can be formed after column, connection cross bar and the connection of top braces component.The upper strata of the framework
For upper supporting layer, woven wire is set on upper supporting layer, slungshot is separated by woven wire, plays the work of protection
With.
By said structure design, the method that the present invention selects steelframe that woven wire is added to combine can accurately reach design and cover
Capping accumulates, and since woven wire intensity is far above engineering cloth, can obstruct blasting flyrock to greatest extent.The steelframe of the present invention
Structure can also carry out polylith splicing according to actual burst region shape, have and be concisely and efficiently effect.It is in addition, provided by the invention
Protective device can be repeated several times, and the reliability used every time can be guaranteed.
Description of the drawings
Fig. 1 is the structure diagram of top braces component in the embodiment of the present invention；
Fig. 2 is the structure diagram of holding members in the embodiment of the present invention；
Fig. 3 is the structure diagram of adjustment means in the embodiment of the present invention；
Fig. 4 is the structural representation that deep-foundation pit engineering supporting beam demolition blasting flyrock protection device is used in the embodiment of the present invention
Figure；
In Fig. 1 to Fig. 4, the correspondence of component names and accompanying drawing number is：
Support post 1, connection cross bar 2, horizontal support arm 3, vertical support arm 4, vertical support arm 5,
Transverse plate 6, bottom plate 7 adjust support arm 8, protection network 9.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more；Term " on ",
" under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", the orientation of the instructions such as " afterbody " or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. be only used for description purpose, and it is not intended that instruction or
Imply relative importance.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connected " " connects
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It please refers to Fig.1 to Fig. 4, wherein, Fig. 1 is the structure diagram of top braces component in the embodiment of the present invention；Fig. 2 is
The structure diagram of holding members in the embodiment of the present invention；Fig. 3 is the structure diagram of adjustment means in the embodiment of the present invention；Figure
4 be the structure diagram for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device in the embodiment of the present invention.
The present invention provides one kind for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, deep base is used to implement
Cheat the flyrock protection of engineering explosion operation.
In an embodiment of the invention, which includes supporting frame and protection network 9, wherein, support
The structure of framework is：It is vertical to include support post 1, connection cross bar 2, three-way connector, holding members and adjustment means, support
Column 1 is vertically arranged, and for being fixed with ground, the top of support post 1 sets three-way connector, threeway for the bottom of support post 1
Connector includes horizontal support arm 3, vertical support arm 4 connected vertically with horizontal support arm 3, connected vertically with horizontal support arm 3 and vertical support arm 4
Vertical support arm 5, vertical support arm 5 are fixedly connected with the top of support post 1, and holding members include transverse plate 6, transverse plate 6 and
Vertical support arm 4 is divided into the both sides of vertical support arm 5, and transverse plate 6 is fixedly connected with vertical support arm 5, and adjustment means include bottom plate 7,
Bottom plate 7 is divided into the both sides of vertical support arm 5 with horizontal support arm 3, and bottom plate 7 is fixedly connected with vertical support arm 5, is set in fixation on bottom plate 7
Be equipped with and adjust support arm 8, adjust support arm 8 and 7 vertical connection of bottom plate, adjust support arm 8 be provided with multiple, whole adjusting support arms 8 in
Arranged in a straight line and be arranged at intervals in vertical height, three-way connector, holding members and adjustment means connection are formed with top branch
Component is supportted, connection cross bar 2 is fixedly connected by top braces component with support post 1, by connection cross bar 2 and top braces component
It is formed with supporting layer；The structure of protection network 9 is：Protection network 9 be by metal wire knitted into woven wire, protection network 9 builds
In on upper supporting layer.
In said structure design, support post 1 is vertically arranged on the ground, and its one end is inserted into soil and realizes admittedly
Determine or one cement base is set in the bottom of support post 1, pass through the fixation that cement base realizes support post 1.
The top of support post 1 sets three-way connector, and three-way connector is act as：Realize the group of support framework and adjustment means
Dress and the assembling for being used to implement support post 1 and connection cross bar 2.From said structure design, the end of connection cross bar 2
Portion can be fixed with the adjusting support arm 8 in the horizontal support arm 3 and vertical support arm 4 of three-way connector, support framework and adjustment means to be connected
It connects, a very high framework of intensity can be formed after such support post 1, connection cross bar 2 and the connection of top braces component.
The upper strata of the framework is upper supporting layer, sets woven wire on upper supporting layer, slungshot is separated by woven wire, is risen
To the effect of protection.
By said structure design, the method that the present invention selects steelframe that woven wire is added to combine can accurately reach design and cover
Capping accumulates, and since woven wire intensity is far above engineering cloth, can obstruct blasting flyrock to greatest extent.The steelframe of the present invention
Structure can also carry out polylith splicing according to actual burst region shape, have and be concisely and efficiently effect.It is in addition, provided by the invention
Protective device can be repeated several times, and the reliability used every time can be guaranteed.
Specifically, three-way connector is the integral structure component being welded by angle bar or stainless steel plate.
In order to improve the connection reliability that holding members are set on support post 1, it is provided in the downside of transverse plate 6
Reinforcing rib, transverse plate 6 are stainless steel plate, and reinforcing rib is stainless steel reinforcing rib, and reinforcing rib is welded to connect with transverse plate 6.
In an embodiment of the invention, bottom plate 7 is stainless steel plate, and adjusting support arm 8 is stainless steel square tube, adjusts branch
Arm 8 is fixedly arranged by welding on bottom plate 7.
Transverse plate 6 is horizontally disposed state under real use state, is used for what is be connected with vertical support arm 5 in transverse plate 6
One end is integrally formed there are one margin plate, and bolt hole is opened up on margin plate, is used to install the position of transverse plate 6 in vertical support arm 5
It puts and opens up through hole corresponding with above-mentioned bolt hole, in this way, it is possible to realize that transverse plate 6 is bolted with vertical support arm 5.
Bottom plate 7 is fixedly connected with vertical support arm 5, the connection structure of bottom plate 7 and vertical support arm 5 may be referred to transverse plate 6 with
The connection structure of vertical support arm 5, herein without repeating.
In the present invention, protection network 9 is the steel wire worked out by steel wire.
Specifically, the side of protection network 9 is provided with metal hemming edge, which is stainless sheet steel.
Provided by the present invention for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, slungshot can be carried out and prevented
Shield.In actual use, the specific method that flyrock protection is carried out using the flyrock protection device is as follows：Around deep basal pit work
Supporting frame is fixedly installed on the ground in the depression area of slungshot by Cheng Jianzhu；After the supporting frame is fixed,
Protection network is installed on the supporting frame；After the completion of explosion, the protection network is removed from the supporting frame, it
The supporting frame is removed from ground afterwards.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment, and makes those of ordinary skill in the art
It will be appreciated that the present invention is so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (6)
1. one kind is used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, which is characterized in that including：
Supporting frame, the supporting frame include support post (1), connection cross bar (2), three-way connector, holding members with
And adjustment means, the support post are vertically arranged, the bottom of the support post with ground for fixing, the support post
Top the three-way connector is set, the three-way connector includes horizontal support arm (3), connected vertically with the horizontal support arm
Vertical support arm (4) and the horizontal support arm and vertical support arm vertical support arm (5) connected vertically, the vertical support arm and the support
The top of column is fixedly connected, and the holding members include transverse plate (6), and the transverse plate is divided into institute with the vertical support arm
The both sides of vertical support arm are stated, the transverse plate is fixedly connected with the vertical support arm, and the adjustment means include bottom plate (7),
The bottom plate is divided into the both sides of the vertical support arm with the horizontal support arm, and the bottom plate is fixedly connected with the vertical support arm,
Support arm (8) is adjusted in being fixedly installed on bottom plate, the adjusting support arm and the bottom plate vertical connection, the adjusting support arm are set
There is multiple, whole adjusting support arms in arranged in a straight line in vertical height and be arranged at intervals, the three-way connector described is held
Support component and adjustment means connection are formed with top braces component, and the connection cross bar passes through the top braces component
It is fixedly connected with the support post, upper supporting layer is formed with the top braces component by the connection cross bar；
Protection network (9), the protection network be by metal wire knitted into woven wire, the protection network built in the upper support
On layer；
The three-way connector is the integral structure component being welded by angle bar or stainless steel plate；
Reinforcing rib is provided on the downside of the transverse plate, the transverse plate is stainless steel plate, and the reinforcing rib adds for stainless steel
Strengthening tendons, the reinforcing rib are welded to connect with the transverse plate.
2. according to claim 1 be used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, which is characterized in that
The bottom plate is stainless steel plate, and the adjusting support arm is stainless steel square tube, and the adjusting support arm is set by being welded and fixed
In on the bottom plate.
3. according to claim 1 or 2 for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, feature exists
In,
The transverse plate is fixedly connected by bolt with the vertical support arm, and the bottom plate is fixedly connected with the vertical support arm.
4. according to claim 3 be used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, which is characterized in that
The protection network is the steel wire worked out by steel wire.
5. according to claim 4 be used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device, which is characterized in that
The side of the protection network is provided with metal hemming edge.
6. one kind is used for deep-foundation pit engineering supporting beam demolition blasting flyrock protection method, which is characterized in that
Prevented using slungshot is carried out as described in claim 1 for deep-foundation pit engineering supporting beam demolition blasting flyrock protection device
Shield；
Its specific steps includes：
Supporting frame is fixedly installed on the ground in the depression area of slungshot around deep-foundation pit engineering building；
After the supporting frame is fixed, protection network is installed on the supporting frame；
After the completion of explosion, the protection network is removed from the supporting frame, afterwards by the supporting frame from ground
It removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461885.9A CN107084651B (en) | 2017-06-19 | 2017-06-19 | For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461885.9A CN107084651B (en) | 2017-06-19 | 2017-06-19 | For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107084651A CN107084651A (en) | 2017-08-22 |
| CN107084651B true CN107084651B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710461885.9A Active CN107084651B (en) | 2017-06-19 | 2017-06-19 | For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750653A (en) * | 2019-03-14 | 2019-05-14 | 中国科学院寒区旱区环境与工程研究所 | A kind of detachable Sand-fixation net, fix the sand screen component and its construction method |
Citations (5)
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|---|---|---|---|---|
| CN101430180A (en) * | 2008-11-03 | 2009-05-13 | 徐建勇 | Security protection system used for steel reinforced concrete support blasting engineering |
| CN103076149A (en) * | 2013-01-05 | 2013-05-01 | 西安建筑科技大学 | Prestressed wire net impact test device and test method |
| CN204902693U (en) * | 2015-07-31 | 2015-12-23 | 中铁三局集团广东建设工程有限公司 | Protection device for be used for foundation ditch blasting |
| CN205279904U (en) * | 2015-12-15 | 2016-06-01 | 山东科技大学 | Novel protection of blasting popping rock device |
| CN207007022U (en) * | 2017-06-19 | 2018-02-13 | 武汉爆破有限公司 | For deep-foundation pit engineering support beam demolition blasting flyrock protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0810657D0 (en) * | 2008-06-11 | 2008-07-16 | Mccalister Andrew | Blast absorption device |
-
2017
- 2017-06-19 CN CN201710461885.9A patent/CN107084651B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430180A (en) * | 2008-11-03 | 2009-05-13 | 徐建勇 | Security protection system used for steel reinforced concrete support blasting engineering |
| CN103076149A (en) * | 2013-01-05 | 2013-05-01 | 西安建筑科技大学 | Prestressed wire net impact test device and test method |
| CN204902693U (en) * | 2015-07-31 | 2015-12-23 | 中铁三局集团广东建设工程有限公司 | Protection device for be used for foundation ditch blasting |
| CN205279904U (en) * | 2015-12-15 | 2016-06-01 | 山东科技大学 | Novel protection of blasting popping rock device |
| CN207007022U (en) * | 2017-06-19 | 2018-02-13 | 武汉爆破有限公司 | For deep-foundation pit engineering support beam demolition blasting flyrock protection device |
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| CN107084651A (en) | 2017-08-22 |
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