CN208983952U - A kind of Metro station excavation blast working safeguard structure - Google Patents
A kind of Metro station excavation blast working safeguard structure Download PDFInfo
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- CN208983952U CN208983952U CN201820714762.1U CN201820714762U CN208983952U CN 208983952 U CN208983952 U CN 208983952U CN 201820714762 U CN201820714762 U CN 201820714762U CN 208983952 U CN208983952 U CN 208983952U
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- silica gel
- fixedly connected
- gel sheath
- damping
- steel post
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Abstract
The utility model discloses a kind of Metro station excavation blast working safeguard structures, belong to metro station construction field, a kind of Metro station excavation blast working safeguard structure, lower plate including being located at bottom of foundation ditch, the upside of lower plate is equipped with upper cover plate, digging respectively on lower plate and upper cover plate has symmetrically lower damping trough and upper damping trough, yielding rubber pad is fixedly connected in lower damping trough and upper damping trough, brace steel post is connected between two yielding rubber pads, it and between brace steel post and two yielding rubber pads is to be fixedly connected, silica gel sheath is cased with outside brace steel post, silica gel sheath housing rubber sleeve, it and is to be fixedly connected between brace steel post and silica gel sheath and silica gel sheath and rubber sleeve, digging in rubber sleeve has damping chamber, damping is intracavitary to be filled with shock-absorbing ball, digging on lower plate and upper cover plate has lower annular recess, only according to Can realize by the damping devices such as support column and resilient cushion keeps safeguard structure structure simple, simple to install.
Description
Technical field
The utility model relates to metro station construction fields, apply more specifically to a kind of Metro station excavation explosion
Work safeguard structure.
Background technique
With economic and science and technology development, the modern means of communication are also in continuous progress and development, and subway station is one
A kind of important building, the main place for being work passenger boarding, changing to and waiting in a Urban Rail Transit.Mesh
Before, the main construction method of subway station is needed for cap excavation method and drilling and blasting method.Wherein drilling and blasting method mainly passes through drilling, dress
The method of medicine, Blasting Excavation rock.
And when being excavated using drilling and blasting method to Metro station excavation, need first to be arranged safeguard structure, the protection of protection station
The station pit structure being pre-designed, makes it be not easy to be destroyed by explosion, however structure is complicated mostly for existing safeguard structure, quasi-
Standby work is complicated various.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of Metro station excavation explosions
Construction safeguard structure, only relying on the damping devices such as support column and resilient cushion and can realizing keeps safeguard structure structure simple, peace
Dress is simple.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of Metro station excavation blast working safeguard structure, the lower plate including being located at bottom of foundation ditch, the bottom
The upside of plate is equipped with upper cover plate, and digging on the lower plate and upper cover plate has symmetrically lower damping trough and upper damping trough, under described
It is fixedly connected to yielding rubber pad in damping trough and upper damping trough, is connected with supporting steel between two yielding rubber pads
Column, and be to be fixedly connected between brace steel post and two yielding rubber pads, silica gel sheath, the silicon are cased with outside the brace steel post
Gum cover housing rubber sleeve, and be to be fixedly connected between brace steel post and silica gel sheath and silica gel sheath and rubber sleeve, the rubber
Digging in set has damping chamber, and the damping is intracavitary to be filled with shock-absorbing ball, may be implemented to keep safeguard structure structure simple, installation letter
Easily.
Further, digging on the lower plate and upper cover plate has lower annular recess and upper annular groove, and lower ring-type
Groove and upper annular groove are respectively positioned on the outside of lower damping trough and upper damping trough, the bottom of the lower annular recess and upper annular groove
A pair of of support column is fixedly connected on plate, a support column is fixedly connected to first far from one end of lower annular recess
Hook net ring, another described support column are fixedly connected with second hook net ring, the second hook net far from one end of upper annular groove
By net hook connects protective net between ring and the first hook net ring, protective net can make brace steel post be not easily susceptible to the slungshot in explosion
It is more firm to make brace steel post for caused injury, while protective net can pass through net hook easy removal.
Further, the outside of the lower plate and upper cover plate is equipped with side wall, and digging on the side wall has several shock relieve vents,
Several shock relieve vents are dug on side wall can make the process of explosion more smooth.
Further, it is connected between the brace steel post and silica gel sheath and silica gel sheath and rubber sleeve by nylon tape, it is convenient
The installation and removal of structure.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme, which only relies on the damping devices such as support column and resilient cushion and can realize, keeps safeguard structure structure simple,
Simple to install.
(2) digging on lower plate and upper cover plate has lower annular recess and upper annular groove, and lower annular recess and upper ring
Shape groove is respectively positioned on the outside of lower damping trough and upper damping trough, is fixedly connected on lower annular recess and the bottom plate of upper annular groove
There is a pair of of support column, a support column is fixedly connected with the first hook net ring, another support column far from one end of lower annular recess
One end far from upper annular groove is fixedly connected with second hook net ring, is connected between second hook net ring and the first hook net ring by net hook
Protective net is taken over control, protective net can make brace steel post be not easily susceptible to injury caused by the slungshot in explosion, make brace steel post more
It is firm, while protective net can pass through net hook easy removal.
(3) outside of lower plate and upper cover plate is equipped with side wall, and digging on side wall has several shock relieve vents, and number is dug on side wall
A shock relieve vent can make the process of explosion more smooth.
(4) it is connected between brace steel post and silica gel sheath and silica gel sheath and rubber sleeve by nylon tape, facilitates the installation of structure
And disassembly.
Detailed description of the invention
Fig. 1 is the front section view of the utility model；
Fig. 2 is the partial top view gone after upper cover plate of the utility model.
Figure label explanation:
1 lower plate, 2 upper cover plates, 3 lower damping troughs, 4 yielding rubber pads, damping trough, 6 shock relieve vents, 7 brace steel posts, 8 on 5
Silica gel sheath, 9 rubber sleeves, 10 damping chambers, 11 shock-absorbing balls, 12 lower annular recess, 13 support columns, 14 first hook net rings, 15 protection
Net, 16 side walls, 17 upper annular grooves, 18 second hook net rings.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole
Embodiment, based on the embodiments of the present invention；Those of ordinary skill in the art are without making creative work
Every other embodiment obtained；It fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
A kind of Metro station excavation blast working safeguard structure referring to FIG. 1-2, the bottom including being located at bottom of foundation ditch
Plate 1, the upside of lower plate 1 are equipped with upper cover plate 2, and digging on lower plate 1 and upper cover plate 2 has symmetrically lower damping trough 3 and upper damping
Slot 5 is fixedly connected to yielding rubber pad 4 in lower damping trough 3 and upper damping trough 5, is connected with branch between two yielding rubber pads 4
Steel column 7 is supportted, and is to be fixedly connected between brace steel post 7 and two yielding rubber pads 4, is cased with silica gel sheath 8 outside brace steel post 7,
8 housing rubber sleeve 9 of silica gel sheath, and be to be fixedly connected between brace steel post 7 and silica gel sheath 8 and silica gel sheath 8 and rubber sleeve 9,
Digging in rubber sleeve 9 has damping chamber 10, and shock-absorbing ball 11 is filled in damping chamber 10, wherein between lower plate 1 and upper cover plate 2 not
Be provided only with a brace steel post 7, and be provided with multiple brace steel posts 7, and the particular number of multiple brace steel posts 7 and they between
Standoff distance need to cannot treat different things as the same surely depending on specific construction environment, may be implemented to keep safeguard structure structure simple, install
Simply, digging on lower plate 1 and upper cover plate 2 has lower annular recess 12 and upper annular groove 17, and lower annular recess 12 and upper
Annular recess 17 is respectively positioned on the outside of lower damping trough 3 and upper damping trough 5, lower annular recess 12 on the bottom plate of upper annular groove 17
It is fixedly connected to a pair of of support column 13, a support column 13 is fixedly connected with the first hook net far from one end of lower annular recess 12
Ring 14, another support column 13 are fixedly connected with second hook net ring 18, second hook net ring 18 far from one end of upper annular groove 17
By net hook connects protective net 15 between the first hook net ring 14, wherein protective net 15 is skewed, and protective net 15 can make to prop up
Support steel column 7 is not easily susceptible to injury caused by the slungshot in explosion, keeps brace steel post 7 more firm, while 15 energy of protective net
Enough by net hook easy removal, keep brace steel post 7 more firm, the outside of lower plate 1 and upper cover plate 2 is equipped with side wall 16, side wall
Digging on 16 has several shock relieve vents 6, and several shock relieve vents 6 are dug on side wall 16 can make the process of explosion more smooth, and more
The particular number of a side wall 16, dig diameter and standoff distance between them need to surely cannot be depending on specific construction environment institute without exception
In, connected between brace steel post 7 and silica gel sheath 8 and silica gel sheath 8 and rubber sleeve 9 by nylon tape, facilitate structure installation and
Disassembly.
Lower plate 1 is fixedly connected with the lower ground of subway station foundation pit and upper ground respectively with upper cover plate 2, when subway station base
When cheating explosion, to the air-shock wave for mainly thering is explosion to generate that brace steel post 7 has an impact, blasting flyrock and lower plate 1
It is shaken as produced by explosion with upper cover plate 2, wherein blasting flyrock can largely be intercepted by protective net 15, remaining few
Part blasting flyrock and air-shock wave can first contact rubber sleeve 9, and rubber sleeve 9 is since there are damping chambers 10 and shock-absorbing ball for inside
11 can buffer the impact force of the overwhelming majority, and remaining impact force can be buffered a part, therefore brace steel post by silica gel sheath 8
7 impact force suffered by transverse direction is not easy to have an impact its working condition, and lower plate 1 and upper cover plate 2 are by explosion institute
The vibration of generation can largely be buffered by the yielding rubber pad 4 in lower damping trough 3 and upper damping trough 5, and safeguard structure compared with
Be it is simple, mount and dismount it is all more convenient, this programme, which only relies on the damping devices such as support column and resilient cushion and can realize, to be made
Safeguard structure structure is simple, simple to install.
It is described above；The only preferable specific embodiment of the utility model；But the protection scope of the utility model is not
It is confined to this；Anyone skilled in the art is within the technical scope disclosed by the utility model；It is practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model
It is interior.
Claims (4)
1. a kind of Metro station excavation blast working safeguard structure, the lower plate (1) including being located at bottom of foundation ditch, feature exists
In: the upside of the lower plate (1) is equipped with upper cover plate (2), and digging respectively on the lower plate (1) and upper cover plate (2) has symmetrically
Lower damping trough (3) and upper damping trough (5), be fixedly connected to yielding rubber in the lower damping trough (3) and upper damping trough (5)
It pads (4), is connected with brace steel post (7) between two yielding rubber pads (4), and brace steel post (7) and two yielding rubbers
Padding between (4) is to be fixedly connected, and is cased with silica gel sheath (8) outside the brace steel post (7), and rubber is cased with outside the silica gel sheath (8)
It covers (9), and is to be fixedly connected between brace steel post (7) and silica gel sheath (8) and silica gel sheath (8) and rubber sleeve (9), the rubber
Digging in set (9) has damping chamber (10), is filled with shock-absorbing ball (11) in the damping chamber (10).
2. a kind of Metro station excavation blast working safeguard structure according to claim 1, it is characterised in that: under described
Digging on bottom plate (1) and upper cover plate (2) has a lower annular recess (12) and upper annular groove (17), and lower annular recess (12) and
Upper annular groove (17) is respectively positioned on the outside of lower damping trough (3) and upper damping trough (5), the lower annular recess (12) and upper annular
It is fixedly connected on the bottom plate of groove (17) a pair of of support column (13), a support column (13) is far from lower annular recess
(12) one end is fixedly connected to the first hook net ring (14), another described support column (13) is far from upper annular groove (17)
One end is fixedly connected to second hook net ring (18), passes through net hook between the first hook net ring (14) and second hook net ring (18)
It connects protective net (15).
3. a kind of Metro station excavation blast working safeguard structure according to claim 1, it is characterised in that: under described
It is equipped with side wall (16) on the outside of bottom plate (1) and upper cover plate (2), digging on the side wall (16) has several shock relieve vents (6).
4. a kind of Metro station excavation blast working safeguard structure according to claim 1, it is characterised in that: the branch
Support steel column (7) is connect between silica gel sheath (8) and silica gel sheath (8) and rubber sleeve (9) by nylon tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714762.1U CN208983952U (en) | 2018-05-15 | 2018-05-15 | A kind of Metro station excavation blast working safeguard structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714762.1U CN208983952U (en) | 2018-05-15 | 2018-05-15 | A kind of Metro station excavation blast working safeguard structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208983952U true CN208983952U (en) | 2019-06-14 |
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ID=66778622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714762.1U Active CN208983952U (en) | 2018-05-15 | 2018-05-15 | A kind of Metro station excavation blast working safeguard structure |
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| Country | Link |
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| CN (1) | CN208983952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025185A (en) * | 2022-12-02 | 2023-04-28 | 中建二局土木工程集团有限公司 | Protection device for subway station construction |
-
2018
- 2018-05-15 CN CN201820714762.1U patent/CN208983952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025185A (en) * | 2022-12-02 | 2023-04-28 | 中建二局土木工程集团有限公司 | Protection device for subway station construction |
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