CN108316158A - Protection canopy and its application process - Google Patents
Protection canopy and its application process Download PDFInfo
- Publication number
- CN108316158A CN108316158A CN201810368459.5A CN201810368459A CN108316158A CN 108316158 A CN108316158 A CN 108316158A CN 201810368459 A CN201810368459 A CN 201810368459A CN 108316158 A CN108316158 A CN 108316158A
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- Prior art keywords
- protection canopy
- bridge
- bottom plate
- side stand
- protection
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to protection works technical field, more particularly to a kind of protection canopy and its application process.It includes protection canopy ontology, and the protection canopy ontology is equipped with connection unit, the protection canopy ontology to be connected on the bridge, and can be moved along the extending direction of the bridge.The present invention is different from traditional console, itself does not need ground-based supports, can be moved on bridge, it reduces protection canopy and repeats the number built, construction efficiency is greatly improved, and efficiently solves bridge when cantilever is constructed, the protective stent faced sets up difficult problem.
Description
Technical field
The present invention relates to protection works technical field, more particularly to a kind of protection canopy and bridge cantilever construction method.
Background technology
The bridge cantilever assembly protection works of precast construction are mainly protected using " console mode door opening holder ".
In some free cantilever erection work across common road, highway or railway etc., using " console mode door opening
Holder " is protected, and a part for holder is usually formed door opening shape vacantly in the top of road, to ensure below holder
Road normal pass.
" console mode door opening holder " this free cantilever erection safeguard structure, when building, be easy by existing common road,
Highway or railway etc. build the influence of structures geographical conditions, especially enterprising in the larger highway of the volume of traffic or railway
Row is built, and needs to face the problems such as very high to Build Security requirement, the activity duration is long, of high cost, space limitation is more；In addition,
For across existing line bridge on small-angle skew, the bridge of electrified contacting nets line, bridge bottom are more especially crossed over
Face and electrified contacting nets it is nearest at a distance from only have 60cm, such space length to cannot be satisfied " between console mode door opening "
Build requirement, it is even more impossible to ensure the safe distance between construction surface position and electrified contacting nets.
Invention content
The purpose of the present invention is to provide a kind of free cantilever erection protection canopies, are needed with solving existing " console mode door opening holder "
It relies on bottom supporter to be built, is unfavorable for the bridge cantilever assembly work on crossing highway, railway.
In order to solve the above technical problems, the present invention provides a kind of protection canopy, including protection canopy ontology, the protection canopy ontology
It is equipped with connection unit, the protection canopy ontology to be connected on bridge, and can be along the extending direction of the bridge
It is mobile.
Further, the connection unit includes suspension body for being connected on the bridge and is arranged in the suspension body
On tourelle, the suspension body connect with the protection canopy ontology, the tourelle be located at the suspension body with it is described
Between bridge, to realize that the connection unit moves on the bridge.
Further, the protection canopy ontology includes bottom plate and two are oppositely arranged on side stand on the bottom plate, two
The connection unit is connected separately on the side stand.
Optionally, the bottom plate is equipped with protective fence, and the protective fence includes several supports on the bottom plate
Column.
Further, the support post includes the column unit that several are removably joined together.
Further, it is equipped with insulation board on the bottom surface of the bottom plate and the protective fence.
Further, the position adjustment list for connecting the side stand and bottom plate is equipped between the side stand and the bottom plate
Member.
Further, it is equipped between the side stand and the position adjustment unit of connection and connects the side stand and position adjustment
The level support platform of unit.
Further, dowel is equipped between the side stand and the level support platform of connection.
Further, the groove for draining, and the horizontal branch are equipped on the level support platform and the bottom plate
It is connected with drainpipe between groove on support platform and bottom plate.
Further, the position adjustment unit includes adjusting apparatus and attachment device, wherein the adjusting apparatus is adjusting
The position of the whole bottom plate, the attachment device is connecting the bottom plate and the side stand.
Further, the adjusting apparatus includes the pulley being separately positioned on the bottom plate and side stand, and to even
Connect the chain block of the pulley；
The attachment device includes the pin hole and connecting plate being correspondingly arranged on the bottom plate and side stand, the company
Fishplate bar is equipped with several through-holes, and several through-holes are arranged along the extending direction interval of the connecting plate, and pass through axis pin and institute
It states pin hole the connecting plate is connected between the bottom plate and side stand.
Optionally, the position adjustment unit is telescopic device.
Optionally, it is provided with anti-throwing net on the protection canopy ontology.
Optionally, the protection canopy ontology is equipped with drainpipe.
To achieve the above object, the present invention also provides a kind of application process of protection canopy, the protection canopy is applied to bridge
Beam cantilever is constructed, and is included the following steps：
S1：It installs on the protection canopy to bridge fixed section；
S2：The mobile protection canopy, until the protection canopy can cover the bridge cantilever section that will carry out cantilever；
S3：In protection canopy, the bridge cantilever section is assembled on the bridge fixed section, bridge is formed it into and fixes
Section；
S4：Step S2 and S3 are repeated, it is assembled to the closure position of bridge, complete closure.
Compared with the prior art, the advantages of the present invention are as follows：
Different from traditional console, itself does not need ground-based supports, can be moved on bridge, reduces protection canopy
The number that repetition is built, is greatly improved construction efficiency, efficiently solves bridge when cantilever is constructed, the protective stent faced is set up
Difficult problem, and can also be in due course the adjustment structure of itself, avoid contact with the electrified contacting nets positioned at bridge bottom surface,
Achieve the effect that fire prevention, anti-electric, impermeable and fall arrest.
Description of the drawings
Fig. 1 is bridge end structure illustration provided by the invention；
Fig. 2 is the side structure schematic diagram that protection canopy provided by the invention is connected on bridge；
Fig. 3 is the end structure illustration that protection canopy provided by the invention is connected on bridge；
Fig. 4 is protection canopy upper beam provided by the invention position connection diagram；
Fig. 5 is protection canopy partial structural diagram provided by the invention；
Fig. 6 is the combination diagram of support post and column unit provided by the invention.
Specific implementation mode
When bridge cantilever is constructed, when in prefabricated bridge cantilever section assembly to the fixed section being fixedly connected with bridge pier, need
Apply safeguard procedures, to ensure the good connection between bridge cantilever section and bridge fixed section, and ensures pedestrian under bridge, equipment
Safety.
It is aforementioned it is found that needing the bridge cantilever construction across river, common road, highway or railway at some
In, due to needing to avoid causing current influence to these roads (hereinafter referred to as road), carried out frequently with console mode door opening holder
Assembly protection.Although console mode door opening holder is suitable for the bridge assembly protected working across road, equally it is faced with all
More restricted problem, for example, when progress holder is built above road, in order to avoid hindering road, the supporting point of holder
It is necessarily placed at road both sides, and increases the Structural strength calls of holder in this way so that holder must be flat in limited support
In face, reach can supporting bridge cantilever protected working, especially some volume of traffic increase road, console mode door opening holder
Build duration, build cost, space limitation increased, be unfavorable for bridge cantilever construction be smoothed out, in addition, for one
On a little for the bridge of existing electrified contacting nets, bridge bottom surface and electrified contacting nets it is nearest at a distance from only have
60cm, cannot meet " console mode door opening holder " builds requirement, it is even more impossible to ensure construction surface position and electrified contacting nets it
Between safe distance.For this purpose, the present invention, which provides one kind, not needing bottom surface support, and the protection canopy that can be moved on bridge,
It is different from the existing console mode door opening holder for needing bottom surface to support, and is crossing over river, common road, highway or iron
Without the concern for the space of bridge bottom in the bridge cantilever construction on road, road will not be had an impact, while can also be with
The variation for bridge bottom surface structure size is adjusted at a distance from the electrified contacting nets line under bridge, avoids contact with electrified contact
Cable.
Protection canopy proposed by the present invention and bridge cantilever construction method are made into one below in conjunction with the drawings and specific embodiments
Step is described in detail.According to claims and following explanation, advantages and features of the invention will become apparent from.It should be noted that attached
Figure is all made of very simplified form and uses non-accurate ratio, only to convenient, lucidly the aid illustration present invention is real
Apply the purpose of example.
Cantilever method construction bridge, be using bridge pier as starting point, on bridge pier formed bridge fixed section, then balance to
The prefabricated bridge cantilever section of continuous cantilever in bridge span, until completing closure between two bridge piers.Bridge cantilever section is fixed on bridge
On pier or after opposite bridge pier fixes, referred to as bridge fixed section after that is, bridge cantilever section is fixed on bridge pier, becomes bridge and fixes
Section, and bridge cantilever section cantilever also forms bridge fixed section after bridge fixed section, can continue and next bridge cantilever section
Carry out cantilever.The form of bridge cantilever section and bridge fixed section generally use list U-shaped beam, dual U-shaped beam, single box beam or double box beams.
Embodiment 1
The present embodiment will illustrate how protection canopy is applied in cantilever bridge construction with " dual U-shaped beam ", such as Fig. 1 institutes
The 1 cross-sectional structure schematic diagram of bridge shown, " dual U-shaped beam " include the channel of two U-shapeds, and both sides are the beams to form U-shaped channel
Wing plate 11.
It please refers to Fig.2 and Fig. 3, is the protection canopy in a kind of construction for bridge cantilever disclosed in the present embodiment, including anti-
Protect canopy ontology 2, when cantilever construct, bridge cantilever construction section need to be covered in by the protection canopy it is interior, to ensure the protection
Effective protection of the canopy to road.Therefore the protection canopy ontology 2 needs to cover bridge cantilever construction section.In order to realize the protection
Canopy ontology 2 can be vacantly above road, and the protection canopy ontology 2 is equipped with connection unit 3, to by the protection canopy ontology
2 are connected on the bridge 1, and can be moved along the extending direction of the bridge 1.
In order to realize that the protection canopy ontology 2 can move on the bridge 1, as a preferred solution,
The connection unit 3 includes the suspension body 31 for being buckled on the beam wing plate 11, described according to the shape of the beam wing plate 11
Suspension body 31 may be used shown in Fig. 2 hook-shaped, effectively be hooked on the top of the beam wing plate 11.Certainly, the suspension body
31 also need to connect with the protection canopy ontology 2, are moved in this way by outer force effect on the bridge 1 when the suspension body 31
When, the protection canopy ontology 2 can be driven to move, realize position transfer.Since the suspension body 31 needs to carry the protection
Canopy ontology 2, and movement is also realized on the bridge 1, therefore, the connection unit 3 further includes being arranged in the suspension
Tourelle 32 on body 31 is in contact between the suspension body 31 and the beam wing plate 11 with the beam wing plate 11,
To realize that the connection unit 3 moves on the bridge 1, to reduce the beam wing plate 11 to the suspension body 31 in movement
The resistance generated in the process.
Can not be that the protection canopy carry since the bridge cantilever section 1a needs assembly to the bridge fixed section 1b
For effectively supporting, therefore when the protection canopy ontology 2 is buckled in by the suspension body 31 on the beam wing plate 11 of the bridge 1,
It typically contacts, that is, is buckled on the beam wing plate 11 of the bridge fixed section 1b, so described with bridge fixed section 1b generations
Connection unit 3 can be configured close to the bridge fixed section 1b.
In addition, since bridge cantilever construction section is happened at the end of the bridge fixed section 1b, (specific length distance can
To be determined according to the length of actual bridge cantilever section, actual boundary of works area), therefore when the protection canopy ontology 2 is logical
When crossing suspension body 31 and being buckled on the beam wing plate 11 of the bridge fixed section 1b, the protection canopy can be connected to the bridge in one end
On beam fixed section 1b, the other end stretches out the end of the bridge fixed section 1b to cover the state of the bridge cantilever section 1a.
Then, in the construction of bridge cantilever, in the range of bridge cantilever construction section, the bottom surface and two sides of bridge are both needed to
Effectively to cover, thus the protection canopy ontology 2 may include bottom plate 21 and two be oppositely arranged on it is collateral on the bottom plate
Frame 22, wherein the bottom plate 21 corresponds to the bottom surface for covering the bridge 1, the side stand 22 corresponds to the side for covering the bridge 1
Face is connected separately with the connection unit 3 on two side stands 22, to be connected to the both sides bridge fixed section 1b
On beam wing plate 11, so, the protection canopy is in symmetrical structure.
The protection canopy ontology 2 itself has corresponding length in order to cover bridge cantilever construction section, and described anti-
Shield canopy ontology 2 needs to be connected on the bridge 1 by the connection unit 3 again, therefore can be arranged on the side stand 22
Multiple connection units 3 are arranged along the extending direction interval of the side stand, to realize the side stand 22 and the beam wing
There are more contact positions between plate 11, improves the stability of the protection canopy.
Also for the stability for improving the protection canopy, the tourelle 32 may include several idler wheels, institute
The specific quantity for stating idler wheel can be according to the contact surface of the shape and the suspension body 31 and beam wing plate 11 of suspension body 31
Quantity is set, such as when suspension body described in Fig. 2 forms hook-shaped, can be effectively buckled on the beam wing plate 11, and with institute
State between beam wing plate 11 that there are three the faces that can be contacted, therefore the idler wheel could be provided as 3.
As shown in figure 3, since how arc-shaped the bottom surface of bridge 1 is, when the protection canopy moves on the bridge 1, institute
Stating bottom plate 21 can change at a distance from the bottom surface of the bridge 1, be easily reduced the protection effect of the protection canopy, or even go out
Therefore connection can be arranged in the phenomenon that the existing protection canopy can not be moved back between the side stand 22 and the bottom plate 21
The position adjustment unit 4 of the side stand 22 and bottom plate 11, to adjust the bottom plate 21 and 22 bottom margin of the side stand
The distance between, to change the bottom plate 21 at a distance from the bottom surface of the bridge 1.
Further, it connects for convenience, and construction personnel is facilitated to construct, the side stand 22 is adjusted with the position connecting
The level support platform 23 for connecting the side stand 22 and position adjustment unit 4,23 edge of the level support platform are equipped between unit 4
The extending direction distribution of the side stand 22, length can keep consistent with the length of the side stand 22.
Certainly, the needs of the side stand 22 connect the position adjustment unit 4 by the level support platform 23, and most
It is whole to be connected with the bottom plate 21.Since the needs of the level support platform 23 are born compared with big load, the side stand 22 and company
Dowel 24 is equipped between the level support platform 23 connect, to improve between the side stand 22 and the level support platform 23
Bonding strength.
Further, the position adjustment unit 4 includes that can adjust relatively described 22 position of side stand of the bottom plate 21
Adjusting apparatus, and the attachment device of the bottom plate 21 and the level support platform 23 can be connected, the position adjustment unit 4
Equipped with two groups, between the level support platform 23 being connected on two side stands 22 and the bottom plate 21.
In order to realize the adjustment function of the position adjustment unit 4, therefore the adjusting apparatus can be matched chain
Bar cucurbit 41 and pulley 42 use four pulleys 42 and a chain block 41 in Fig. 3, and two of which pulley 42 is fixed
On the bottom plate 21, other two pulley 42 is fixed in the level support platform 23, and passes through hawser between four pulleys
Connected with chain block 41, when by pulling manual-chain on chain block 41, two extensions on shortening chains cucurbit 41
When the distance between hook, to drive the bottom plate 21 to rise, the distance between the bottom plate 21 and the side stand 22 are reduced；
Similarly, when increasing the distance between two hooks on chain block 41, the distance between the bottom plate 21 and the side stand 22
Increase.
Then, the attachment device includes being correspondingly arranged at level support platform 23 and the pin hole on bottom plate 21 and connecting plate
43, the connecting plate 43 is equipped with several through-holes spaced along its length, therefore the through-hole on the connecting plate 43
It can be connected to by axis pin at the pin hole in the level support platform 23 and bottom plate 21, realize the connection work(of the attachment device
Can, when needed between the bottom plate 21 and the side stand 22 adjustment apart from when, only need to change the corresponding through-hole of the pin hole
Position.Since the bottom plate 21 is usually quadrangle, position adjustment unit 4 described in every group may include two connections
Device is connected on four angles of the bottom plate 21.
It is described to realize although the present embodiment uses combined pulley 42 and chain block 41 and connecting plate 43
The distance between bottom plate 21 and the side stand 22 adjust function, however it should be readily apparent to one skilled in the art that can also use
Other adjustment modes can realize the bottom plate for example, by using hydraulic cylinder or gear rack arrangement with Telescopic
The distance between 21 and the side stand 22 adjust function.
Further, in order to prevent the top of the bridge 1 occur article fall and the road that influences bridge bottom,
Therefore anti-throwing net 5 is also relatively set on the protection canopy ontology 2, length can keep one with the length of the side stand 22
It causes.
In fact, some bridges can cross over the traffic track with electrical contact cable, in order to avoid logical below bridge
Electrical contact cable causes security threat to the protection canopy being positioned above and construction personnel, reaches anti-electric function, the bottom
Plate 21 may be used checkered plates superposition insulation board mode and be formed, and steel transverse beam is filled between steel plate and insulation board
Ensure the intensity of the bottom plate 21 as skeleton with longitudinal beam.Wherein insulation board is anchored at transverse beam by plastic bolt and indulges
To the bottom surface of beam, the bottom surface as the bottom plate 21；Checkered plates is welded on the upper surface of the transverse beam and longitudinal beam, as institute
State the top surface of bottom plate 21.Can also by welding weld out checkered plates on the top surface of the bottom plate 21 can lead to
The groove of water can also be easy ponding to exclude the ponding in protection canopy in time in certain level support platform 23, so,
Checkered plates can also be used, and welding forms groove in the level support platform 23 by welding, and in the bottom plate
The drainpipe that is connected to the groove on the groove and level support platform 23 on the bottom plate 21 is set on 21, in level support platform 23
Ponding can be flow on the bottom plate 21 by groove thereon and drainpipe, then the groove passed through on the bottom plate 21 is arranged
Go out the protection canopy, avoid water accumulation leaking to bridge or elsewhere, achievees the effect that antiseepage.
The connection unit 3 on two side stands 22 can also be correspondingly connected with by crossbeam 6, the protection canopy
The part of the bridge cantilever section 1a is stretched out, it can also be right by the level support platform 23 that will be located at the bridge both sides by crossbeam
It should connect, further to improve the stability of the protection canopy, as shown in Figure 4.
As shown in Figure 5 and Figure 6, in order to realize the safeguard function of the protection canopy, achieve the effect that anti-electric, waterproof, in institute
It states and is also equipped with isolation board (not shown) between side stand 22 and the side stand 22 and the bottom plate 21, wherein institute
Stating the isolation board on side stand 22 can directly overlay on the side stand 22, to realize the side that the bridge is isolated, and
Isolation board on the bottom plate 21 may be mounted on the support post 25 on the bottom plate 21, form protective fence
Form, so that the protection canopy is formed closed, play the effect of fall arrest.The isolation board of installation can by plastic bolt into
Row anchoring.
Since the distance between the bottom plate 21 and side stand 22 can change, in order to avoid the support post
25 there is the problem of hindering 21 position of the bottom plate adjustment, and the support post 25 is removably joined together including several
Column unit 251, for example, column unit can be arranged it is cylindric, one end be equipped with connecting hole (not shown), the other end
Be arranged to the protrusion 2511 to match with the connecting hole, between the different column units 251 by the connecting hole and
Protrusion 2511 connects together, and forms the support post 25.It is additionally provided with mounting hole 2512 in the side of column unit 251, is used
To facilitate the connection isolation board.
Under normal conditions, the insulation board of plastic material may be used in the isolation board, and certainly, those skilled in the art holds
It is readily understood that the present invention is equally applicable to using the other kinds of plank with buffer action.The material of the protection canopy ontology 2
Can be steel, therefore the protection canopy also has fire-proof function.
In addition, when encountering the weather such as strong wind or even typhoon, the protection canopy can be retracted into bridge and fixed on 1b,
And make to anchor between the protection canopy and the bridge fixed section 1b, to improve the ability that it resists typhoon.
The above content is a kind of protection canopies that can be used in the construction of bridge cantilever disclosed in the present embodiment, solve this hair
The technical issues of bright proposition, and reached itself and do not needed ground-based supports, it can be moved on bridge, reduce protection canopy and repeat
The technique effect of construction efficiency is greatly improved in the number built.
Embodiment 2
The application process for present embodiments providing protection canopy disclosed in a kind of embodiment 1, is applied applied to bridge cantilever
Work includes the following steps：
S1：It installs on the protection canopy to 1 fixed section of bridge；
S2：The mobile protection canopy, until the protection canopy can cover the bridge cantilever section that will carry out cantilever
1a；
S3：In protection canopy, the bridge cantilever section 1a is assembled on the bridge fixed section 1b, bridge is formed it into
Fixed section 1b；
S4：Step S2 and S3 are repeated, it is assembled to the closure position of bridge, complete closure.
Specifically, above-mentioned steps are that the protection canopy is installed on the bridge fixed section 1b so that the protection
Hanging beam 31 on canopy is buckled on the beam wing plate 11 of the bridge fixed section 1b, and the extending direction along the bridge fixed section 1b moves
The protection canopy is moved, until the protection canopy can cover the bridge cantilever section 1a that will carry out cantilever, in protection canopy,
It will need in the assembled bridge cantilever section 1a assembly to the bridge fixed section 1b, by the assembled bridge cantilever section
1a is integrally formed with original bridge fixed section 1b, thus as can assembled next bridge cantilever section bridge fixed section,
Usually, the construction of bridge cantilever to the closure position among two bridge piers while is constructed from two bridge piers, therefore can be with
Repeat the above steps S2 and S3, reaches closure position after the continuous assembled bridge cantilever section on two bridge piers, finally
Complete closure.
In this way, the construction of S1-S4 through the above steps, completes the cantilever construction of bridge, has reached the purpose of the present invention.
Protection canopy provided by the invention is different from traditional console, itself does not need ground-based supports, can be in bridge
It is moved on beam, reduces protection canopy and repeat the number built, construction efficiency is greatly improved, and efficiently solve bridge and applied in cantilever
Working hour, the protective stent faced set up difficult problem.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (15)
1. a kind of protection canopy, which is characterized in that including protection canopy ontology, the protection canopy ontology is equipped with connection unit, to
The protection canopy ontology is connected on bridge, and can be moved along the extending direction of the bridge.
2. protection canopy as described in claim 1, which is characterized in that the connection unit includes for being connected on the bridge
Suspension body and the tourelle being arranged on the suspension body, the suspension body are connect with the protection canopy ontology, the rolling
Dynamic device is between the suspension body and the bridge, to realize that the connection unit moves on the bridge.
3. protection canopy as described in claim 1, which is characterized in that the protection canopy ontology includes that bottom plate and two are oppositely arranged
Side stand on the bottom plate is connected separately with the connection unit on two side stands.
4. protection canopy as claimed in claim 3, which is characterized in that the bottom plate is equipped with protective fence, and the protective fence includes
Several support posts on the bottom plate.
5. protection canopy as claimed in claim 4, which is characterized in that the support post includes that several are detachably connected to
Column unit together.
6. protection canopy as claimed in claim 4, which is characterized in that be equipped on the bottom surface of the bottom plate and the protective fence absolutely
Listrium.
7. protection canopy as claimed in claim 3, which is characterized in that be equipped with described in connection between the side stand and the bottom plate
The position adjustment unit of side stand and bottom plate.
8. the protection canopy as described in right will go 7, which is characterized in that set between the side stand and the position adjustment unit of connection
There is the level support platform for connecting the side stand and position adjustment unit.
9. protection canopy as claimed in claim 8, which is characterized in that between the side stand and the level support platform of connection
Equipped with dowel.
10. protection canopy as claimed in claim 8, which is characterized in that be all provided in the level support platform and the bottom plate useful
In the groove of draining, and drainpipe is connected between the groove on the level support platform and bottom plate.
11. protection canopy as claimed in claim 7, which is characterized in that the position adjustment unit includes adjusting apparatus and connection
Device, wherein the adjusting apparatus is to adjust the position of the bottom plate, the attachment device is connecting the bottom plate and institute
State side stand.
12. protection canopy as claimed in claim 11, which is characterized in that the adjusting apparatus includes being separately positioned on the bottom plate
With the pulley on side stand, and to connect the chain block of the pulley；
The attachment device includes the pin hole and connecting plate being correspondingly arranged on the bottom plate and side stand, the connecting plate
Several through-holes are equipped with, several through-holes are arranged along the extending direction interval of the connecting plate, and pass through axis pin and the pin
The connecting plate is connected between the bottom plate and side stand by hole.
13. protection canopy as claimed in claim 7, which is characterized in that the position adjustment unit is telescopic device.
14. protection canopy as described in claim 1, which is characterized in that be provided with anti-throwing net on the protection canopy ontology.
15. a kind of application process of protection canopy as described in any one of claim 1-14, which is characterized in that the protection canopy
It constructs, includes the following steps applied to bridge cantilever：
S1：It installs on the protection canopy to bridge fixed section；
S2：The mobile protection canopy, until the protection canopy can cover the bridge cantilever section that will carry out cantilever；
S3：In protection canopy, the bridge cantilever section is assembled on the bridge fixed section, bridge fixed section is formed it into；
S4：Step S2 and S3 are repeated, it is assembled to the closure position of bridge, complete closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368459.5A CN108316158A (en) | 2018-04-23 | 2018-04-23 | Protection canopy and its application process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368459.5A CN108316158A (en) | 2018-04-23 | 2018-04-23 | Protection canopy and its application process |
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| CN108316158A true CN108316158A (en) | 2018-07-24 |
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ID=62895207
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810368459.5A Pending CN108316158A (en) | 2018-04-23 | 2018-04-23 | Protection canopy and its application process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250084A (en) * | 2021-04-29 | 2021-08-13 | 舟山市宏达交通工程有限责任公司 | Bridge bracket device |
| CN114687300A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Maintenance method and maintenance system for box girder above transformer |
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| CN206157569U (en) * | 2016-10-21 | 2017-05-10 | 中交第二航务工程局有限公司 | Protective platform is construct to portable bridge |
| CN106702905A (en) * | 2016-11-30 | 2017-05-24 | 中铁十六局集团第三工程有限公司 | Construction method for hanging type protective scaffolding |
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| CN113250084A (en) * | 2021-04-29 | 2021-08-13 | 舟山市宏达交通工程有限责任公司 | Bridge bracket device |
| CN113250084B (en) * | 2021-04-29 | 2022-05-10 | 舟山市宏达交通工程有限责任公司 | Bridge bracket device |
| CN114687300A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Maintenance method and maintenance system for box girder above transformer |
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Application publication date: 20180724 |