CN207862786U - A kind of steel arch-shelf closing device - Google Patents
A kind of steel arch-shelf closing device Download PDFInfo
- Publication number
- CN207862786U CN207862786U CN201820179146.0U CN201820179146U CN207862786U CN 207862786 U CN207862786 U CN 207862786U CN 201820179146 U CN201820179146 U CN 201820179146U CN 207862786 U CN207862786 U CN 207862786U
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- shelf
- steel arch
- steel
- cylinder
- telescopic rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 209
- 239000010959 steel Substances 0.000 title claims abstract description 209
- 239000004576 sand Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 abstract description 11
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a kind of steel arch-shelf closing device, including winds up and lower edge, and winds up and/or the telescopic device of lower chord length for adjusting, and telescopic device uses flexible telescopic device, to realize steel arch-shelf closing device stroke adjustment；Wherein, flexible telescopic device includes cylinder and telescopic rod, and telescopic rod stretches into the space for being constituted with barrel wall in cylinder and accommodating steel ball sand, and telescopic rod squeezes steel ball sand along cylinder axial movement and realizes telescopic adjustment.The utility model realizes the automatic contraction of flexible telescopic device to adjust steel arch-shelf closing device stroke by the mutual cooperation of steel ball sand, telescopic rod and cylinder, and then achieve the purpose that steel arch-shelf arc length automatically adjusts, steel arch-shelf arc length can not only be greatly reduced and adjust difficulty, and the arc length of steel arch-shelf can be automatically adjusted, it is ensured that steel arch-shelf camber line meets reinforced concrete main arch ring camber line requirement.
Description
Technical field
The utility model is related to a kind of steel arch-shelfs, and in particular to a kind of steel arch-shelf closing device.
Background technology
In Arch Bridge Construction field, steel arch-shelf is as the most important special branch of entire cast-in-situ reinforced concrete main arch ring work progress
Frame has extremely most important meaning to the cast-in-place molding of reinforced concrete main arch ring.
Steel arch-shelf close up be steel arch-shelf installation critical process and critical process, the installation of existing steel arch-shelf is typically in steel arch
Top of the trellis is closed up, and folding method mainly directly according to live actual size blanking, assembly and is welded and fixed, and is lacked
Point is the associated components scene processing difficulties mated used in position, and processing precision is poor, be easy to cause arch wind up, lower edge
Stress concentration influences the holistic resistant behavior of arch.Based on this, CN100430555C discloses a kind of steel arch-shelf and closes up and unload frame
Device, including vault segment, jack, adjusting rod adjust backing plate, and arch item segment is by top boom, lower boom, upright bar, cross bar, abdomen
Bar is constituted, and is frame structure, and outside is provided with connector connecting screw anchor plate in top boom and lower boom both ends, and top boom is under
One end of chord member is provided with female end circular arc connector, and the other end is adjustable side, and inside is provided with side plate, jack pad, adjusting
Backing plate block；Adjusting rod one end is oedoeagus circular arc connector.Although arch can be realized by being closed up using the steel arch-shelf and unloading rack device
Close up, but it can not automatically adjust steel arch-shelf arc length.
Utility model content
The purpose of this utility model is to provide a kind of steel arch-shelfs that can automatically adjust steel arch-shelf arc length to close up dress
It sets.
To achieve the goals above, the utility model adopts the following technical solution.
A kind of steel arch-shelf closing device, including wind up and lower edge, and for adjust wind up and/or lower chord length it is flexible
Device, it is characterised in that：Telescopic device uses flexible telescopic device, to realize steel arch-shelf closing device stroke adjustment；Wherein, soft
Property telescopic device include cylinder and telescopic rod, telescopic rod stretches into the space for being constituted with barrel wall in cylinder and accommodating steel ball sand, stretches
Bar is moved axially along cylinder squeezes steel ball sand realization telescopic adjustment.The phase that this technical solution passes through steel ball sand, telescopic rod and cylinder
Mutually cooperation realizes that the automatic of flexible telescopic device shrinks to adjust steel arch-shelf closing device stroke length, and then reaches steel arch-shelf arc
The purpose of line length automatic adjustment, this technical solution can not only be greatly reduced steel arch-shelf arc length and adjust difficulty, Er Qieneng
Enough automatically adjust the arc length of steel arch-shelf, it is ensured that steel arch-shelf camber line meets reinforced concrete main arch ring camber line requirement.It should be noted that
It is, in the steel arch-shelf work progress of same seat reinforced concrete arch bridge, it should be ensured that the steel ball sand grading used is consistent.
Difficulty is adjusted to further decrease steel arch-shelf arc length, retractable, sealable feed intake is provided on cylinder
Hole is provided with retractable, sealable dumping pit for discharging steel ball sand for launching steel ball sand on cylinder；Preferably,
The short tube control batching hole with valve and dumping pit folding, sealing may be used；The short tube control with valve can also be used to unload
Expect hole folding, sealing, the batching hole folding, sealing are controlled using arc plate.It can not only real-time control steel ball using this scheme
Sand dosage, and can realize the accurate adjusting of steel arch-shelf arc length.
Stability for raising steel arch-shelf and safety, wind up and respectively include two girder steels disposed in parallel with lower edge, on
It states flexible telescopic device and is located at and wind up between the girder steel of lower edge.
To further increase the stability of steel arch-shelf, the closing of cylinder one end, the other end are open, and the blind end of cylinder is connected to
On a wherein girder steel；Telescopic rod one end is fixed on another girder steel, and the telescopic rod other end can stretch into cylinder；It is spacious in cylinder
Mouth end is provided with ring flange, ring flange is provided on telescopic rod, and telescopic rod and cylinder can be connected to one by ring flange
It rises, girder steel spacing adjusting can be achieved after unclamping ring flange.
To further increase the stability of steel arch-shelf, while the flexibility of steel arch-shelf closing device is improved, telescopic rod uses
Segmented telescopic rod, segmented telescopic rod are linked together by ring flange.
To further increase the stability of steel arch-shelf, it is fixedly installed connecting seat on the girder steel to wind up with lower edge, upper
Support element is provided between string and the girder steel of lower edge, and support element is movably connected in composition scissors support construction on connecting seat.
Telescopic rod end in cylinder is provided with stress, strain transducer, to detect, feed back steel arch-shelf conjunction in real time
Hold together the stressing conditions of device.
The utility model steel arch-shelf closing device is winded up and/or lower edge by the automatic contraction of flexible telescopic device to adjust
Length, and then realize the automatic adjustment of steel arch-shelf closing device stroke and steel arch-shelf arc length.
The adjusting difficulty of steel arch-shelf arc length can not only be greatly reduced using the utility model steel arch-shelf closing device,
And it can accurately adjust steel arch-shelf arc length, it is ensured that steel arch-shelf camber line meets reinforced concrete main arch ring camber line requirement.Adjust steel
When the arc length of arch, it is only necessary to first close up spacing according to steel arch-shelf and reserve to be more than in cylinder and close up the space of spacing, so
After close dumping pit, open simultaneously batching hole and appropriate steel ball sand be added (steel ball sand dosage is closed up spacing according to steel arch-shelf and counted
Calculate), then telescopic rod automatic impaction steel ball sand will be made after discharging bore closure, you can realize the automatic adjustment of steel arch-shelf arc length,
Adjustment process is convenient and efficient.
For the utility model steel arch-shelf closing device almost without mount stress, anti-deformation effects are excellent, while having damping work(
Energy.
The utility model steel arch-shelf closing device energy power transmission effect is good, and rigidity is big, stability is good, security performance is good, enough true
Protect uniform effective transmission of steel arch-shelf or more string axial thrust.
The accurate adjusting of steel arch-shelf arc length can be realized using the utility model steel arch-shelf closing device.
Good, the high recycling rate using the utility model steel arch-shelf closing device versatility, can save lot of materials and
Manpower.
The utility model steel arch-shelf closing device flexibility is good, and installation difficulty is small, and installation effectiveness is high, while convenient disassembly,
It only needs to open dumping pit when dismounting, by steel ball sand removal, you can the dismounting for realizing steel arch-shelf closing device is reduced and is constructed into
This.
The utility model steel arch-shelf closing device is applicable not only to closing up for small across footpath steel arch-shelf, and is suitable for Long span
(span be more than 150 meters) steel arch-shelf closes up, while applying also for closing up the larger steel arch-shelf of spacing and close up.
Description of the drawings
Fig. 1 be in the utility model embodiment 1 steel arch-shelf closing device wind up, the stereoscopic schematic diagram of lower edge；
Fig. 2 is the partial view of Fig. 1；
Fig. 3 is steel arch-shelf closing device schematic diagram in Fig. 1；
Fig. 4 is steel arch-shelf closing device scheme of installation in Fig. 1；
Fig. 5 is the schematic diagram that steel arch-shelf closing device winds up with lower edge in the utility model embodiment 2.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but the explanation of following embodiment is only
It is to be used to help understand the principles of the present invention and its core concept, not to the restriction of scope of protection of the utility model.It answers
When pointing out, for those of ordinary skill in the art, without departing from the principle of this utility model, for this reality
It is also fallen into the protection domain of the utility model claims with the novel improvement carried out.
Embodiment 1
A kind of steel arch-shelf closing device as shown in Figure 1 to Figure 3, including winds up and lower edge, is arranged between lower edge winding up
There is a support element 10, and wind up and the telescopic device of lower chord length for adjusting, telescopic device uses flexible telescopic device, with reality
Existing steel arch-shelf closing device stroke adjustment.Wherein flexible telescopic device includes cylinder 2 and telescopic rod 3, and telescopic rod 3 stretches into cylinder 2
Interior that the space for accommodating steel ball sand 7 is constituted with 2 inner wall of cylinder, telescopic rod 3 is realized flexible along the axial movement extruding steel ball of cylinder 2 sand 7
It adjusts.Realize the automatic contraction of flexible telescopic device to adjust steel arch by the mutual cooperation of steel ball sand 7, telescopic rod 3 and cylinder 2
Frame closing device stroke, and then achieve the purpose that steel arch-shelf arc length automatically adjusts, this technical solution can not only substantially drop
Low steel arch-shelf arc length adjusts difficulty, and can automatically adjust the arc length of steel arch-shelf, it is ensured that steel arch-shelf camber line meets
The requirement of reinforced concrete main arch ring camber line.It should be noted that in the steel arch-shelf work progress of same seat reinforced concrete arch bridge, it should be true
It is consistent to protect the steel ball sand grading used.
Difficulty is adjusted to further decrease steel arch-shelf arc length, is set (i.e. at the top of 2 radial section of cylinder) on 2 top of cylinder
It is equipped with retractable, sealable batching hole, for launching steel ball sand 7, is set in 2 lower part of cylinder (i.e. 2 radial section bottom of cylinder)
It is equipped with retractable, salable 7 dumping pit of steel ball sand, for discharging steel ball sand 7；Preferably, by the short tube 5 with valve or
Arc plate controls batching hole and dumping pit folding.Using this scheme can not only real-time control steel ball sand dosage, and can realize
The accurate adjusting of steel arch-shelf arc length.
To improve stability and the safety of steel arch-shelf, disposed in parallel two are respectively included with lower edge as shown in Figure 1, winding up
Root girder steel 1, flexible telescopic device, which is located at, to wind up between the girder steel of lower edge 1, and is connected to and winds up and the girder steel of lower edge 1
On.
To further increase the stability of steel arch-shelf, the closing of 2 one end of cylinder, the other end are open, the blind end connection of cylinder 2
Wherein on a girder steel 1；3 one end of telescopic rod is fixed on another girder steel 1, and 3 other end of telescopic rod can stretch into cylinder 2；
2 open end of cylinder is provided with ring flange 4, is provided with ring flange 4 on telescopic rod 3, and can be by ring flange 4 by telescopic rod 3
It links together with cylinder 2, girder steel 1 spacing adjusting can be achieved after unclamping ring flange 4.
To further increase the stability of steel arch-shelf, while the flexibility of steel arch-shelf is improved, telescopic rod 3 is stretched using segmented
Contracting bar, it is two sections that telescopic rod 3, which is divided to, and two sections of telescopic rods are linked together by ring flange 4 and constitute dismountable telescopic rod 3.
To further increase the stability of steel arch-shelf, as shown in figure 3, being fixedly installed on the girder steel of lower edge 1 winding up
Connecting seat 9 is provided with support element 10 winding up between the girder steel of lower edge 1, and support element 10 is movably connected in structure on connecting seat 9
At scissors support construction.
There are stress, strain transducer in 3 end set of telescopic rod in cylinder 2, to detect in real time, feed back steel arch-shelf
The stressing conditions of closing device.
To further increase the stability of steel arch-shelf, the junction of cylinder 2 and girder steel 1 is provided with gusset 6.
Steel arch-shelf closing device principle：The telescopic rod 3 that slides axially, which is realized, to be stretched, when telescopic rod 3 stretches into cylinder 2,
Telescopic device shortens, and girder steel spacing becomes smaller, and steel arch-shelf closing device length becomes smaller；When telescopic rod 3 stretches out outside toward cylinder 2, stretch
Compression apparatus is elongated, and girder steel spacing becomes larger, and steel arch-shelf closing device length becomes larger.And telescopic rod 3 stretches into rear and cylinder 2 in cylinder 2
Inner wall constitutes the space for accommodating steel ball sand 7, and telescopic rod 3 moves axially extruding steel ball sand 7 along cylinder 2 can realize steel arch-shelf automatically
Closing device stroke adjustment, i.e. telescopic rod 3 are by from steel arch-shelf thrust, (steel arch-shelf thrust is derived from the gravity of steel arch-shelf itself
The tension being subject to it) effect squeeze automatically and compress steel ball sand 7.
Close up：As shown in figure 4, spacing is closed up in actual measurement after steel arch-shelf is installed to vault, it is pre-adjusted steel arch-shelf and closes up segment
Between air line distance make it slightly larger than closing up spacing；Then steel arch-shelf closing device is mounted on steel arch-shelf two sections close up section
Between 8, adjusting steel arch-shelf closing device length makes it be fastened in the supporting table 11 for closing up section 8；Then closed up according to steel arch-shelf
Spacing reserves the space for being more than and closing up spacing in cylinder 2, and closes dumping pit, opens simultaneously batching hole and appropriate steel ball sand is added
(steel ball sand dosage is closed up spacing according to steel arch-shelf and is calculated, and those skilled in the art know its computational methods), then by discharging
Bore closure, telescopic rod 3 then shrink under the action of steel arch-shelf its own gravity and the tension being subject to and compress steel ball sand automatically, finally
The fastening bolt on ring flange 4 is installed, completion is closed up.
During closing up, the stroke to wind up not only can be individually adjusted, but also can individually adjust the stroke of lower edge, it can also be same
When/alternating adjusts the stroke that winds up with lower edge.
Almost without mount stress during installing and closing up, anti-deformation effects are excellent, while having shock-absorbing function, while spirit
Activity is good, and installation difficulty is small, and installation effectiveness is high.
Dismounting：In steel arch-shelf demolishing process, it is necessary first to remove steel arch-shelf closing device, then one by one remove standard knot,
Adjust section and arch springing section.And when removing steel arch-shelf closing device, it is only necessary to the support element 10 on steel arch-shelf closing device is first removed,
Then the fastening bolt on ring flange 4 is unclamped, dumping pit discharge steel ball sand 7 is opened, then axial shrinkage telescopic rod 3 shortens steel arch
Frame closing device length, then steel arch-shelf closing device is removed.Disassembly process facilitate it is light, and will not damage steel arch-shelf conjunction
Hold together device, additionally it is possible to reuse；In the reinforced concrete arch bridge work progress of arbitrary span, entire arch need to only consume steel arch-shelf
Support element 10 on closing device, significantly reduces material cost.The utility model steel arch-shelf closing device can be applied to not
With on the steel arch-shelf of across footpath, support element 10 makes according to on-site actual situations.
Embodiment 2
A kind of steel arch-shelf closing device is provided with branch winding up as shown in figure 5, including winding up and lower edge between lower edge
Support member, and wind up and/or two sets of telescopic devices of lower chord length for adjusting, telescopic device uses flexible telescopic device, with
Realize steel arch-shelf closing device stroke adjustment.Wherein flexible telescopic device includes cylinder and telescopic rod, and telescopic rod stretches into cylinder
The space for accommodating steel ball sand is constituted with barrel wall, telescopic rod is moved axially along cylinder squeezes steel ball sand realization telescopic adjustment.Pass through
The mutual cooperation of steel ball sand, telescopic rod and cylinder realizes the automatic contraction of flexible telescopic device to adjust steel arch-shelf closing device row
Cheng Changdu, and then achieve the purpose that steel arch-shelf arc length automatically adjusts, steel arch-shelf can not only be greatly reduced in this technical solution
Arc length adjusts difficulty, and can automatically adjust the arc length of steel arch-shelf, it is ensured that steel arch-shelf camber line meets reinforced concrete master
The requirement of arch ring camber line.It should be noted that in the steel arch-shelf work progress of same seat reinforced concrete arch bridge, it should be ensured that use
Steel ball sand grading is consistent.
Difficulty is adjusted to further decrease steel arch-shelf arc length, cylinder top is provided with retractable, sealable throwing
Material hole is provided with retractable, salable steel ball sand in cylinder lower part (i.e. cylinder radial section bottom) and unloads for launching steel ball sand
Hole is expected, for discharging steel ball sand；Preferably, controlling batching hole and dumping pit folding by the short tube with valve.Using this side
Case can not only real-time control steel ball sand dosage, and can realize the accurate adjusting of steel arch-shelf arc length.
To improve stability and the safety of steel arch-shelf, disposed in parallel two are respectively included with lower edge as shown in figure 5, winding up
Root girder steel, two sets of flexible telescopic devices are mutually parallel, and are located at and wind up between the girder steel of lower edge, and girder steel is filled with flexible concertina
Set and be mutually perpendicular to, and be connected to wind up on the girder steel of lower edge.
To further increase the stability of steel arch-shelf, the closing of cylinder one end, the other end are open, and the blind end of cylinder, which is fixed, to be connected
It is connected on a wherein girder steel；Telescopic rod one end is fixed on another girder steel, and the telescopic rod other end can stretch into cylinder；In cylinder
Body open end is provided with ring flange, ring flange is provided on telescopic rod, and can connect telescopic rod with cylinder by ring flange
Together, girder steel spacing adjusting can be achieved after unclamping ring flange.
To further increase the stability of steel arch-shelf, while the flexibility of steel arch-shelf is improved, telescopic rod is stretched using segmented
Contracting bar, telescopic rod are divided into two sections, and both ends telescopic rod is linked together by ring flange and constitutes dismountable telescopic rod.
To further increase the stability of steel arch-shelf, it is fixedly installed connecting seat on the girder steel to wind up with lower edge, upper
Support element is provided between string and the girder steel of lower edge, and support element is movably connected in composition scissors support construction on connecting seat.
Telescopic rod end in cylinder is provided with stress, strain transducer, to detect, feed back steel arch-shelf conjunction in real time
Hold together the stressing conditions of device.
To further increase the stability of steel arch-shelf, the junction of cylinder and girder steel is provided with gusset.
Embodiment 3, embodiment 4
One kind closing up segment, and steel arch-shelf closing device in embodiment 1 or embodiment 2 is respectively adopted.
Embodiment 5
A kind of steel arch-shelf closing device, with reference to embodiment 1 or embodiment 2, telescopic device can be set according to steel arch-shelf breadth
Set more sets.
Claims (10)
1. a kind of steel arch-shelf closing device, including wind up and lower edge, and winds up and/or the flexible dress of lower chord length for adjusting
It sets, it is characterised in that：The telescopic device uses flexible telescopic device, to realize steel arch-shelf closing device stroke adjustment；It is described
Flexible telescopic device includes cylinder（2）And telescopic rod（3）, telescopic rod（3）Stretch into cylinder（2）Interior and cylinder（2）The common structure of inner wall
At receiving steel ball sand（7）Space, telescopic rod（3）Along cylinder（2）Axial movement squeezes steel ball sand（7）Realize telescopic adjustment.
2. steel arch-shelf closing device according to claim 1, it is characterised in that：In the cylinder（2）On be provided with and can open
It closes, sealable batching hole, in the cylinder（2）On be provided with retractable, sealable dumping pit.
3. steel arch-shelf closing device according to claim 2, it is characterised in that：The batching hole is controlled using arc plate to open
It closes, sealing, using the short tube with valve（5）Control the dumping pit folding, sealing.
4. steel arch-shelf closing device according to claim 2, it is characterised in that：Using the short tube with valve（5）Control institute
State batching hole and dumping pit folding, sealing.
5. steel arch-shelf closing device according to claim 1,2,3 or 4, it is characterised in that：It is described to wind up and the lower edge
Respectively include two girder steels disposed in parallel（1）, the flexible telescopic device is located at the steel to wind up with the lower edge
Beam（1）Between.
6. steel arch-shelf closing device according to claim 5, it is characterised in that：The cylinder（2）One end closing, the other end
Opening, the cylinder（2）A blind end connection girder steel wherein（1）On；The telescopic rod（3）One end is fixed on another
Girder steel（1）On, the telescopic rod（3）The other end can stretch into the cylinder（2）It is interior；In the cylinder（2）Open end is provided with method
Blue disk（4）, in the telescopic rod（3）On be provided with ring flange（4）, and ring flange can be passed through（4）By the telescopic rod（3）With institute
State cylinder（2）It links together.
7. steel arch-shelf closing device according to claim 6, it is characterised in that：The telescopic rod（3）It is stretched using segmented
Contracting bar, and segmented telescopic rod passes through ring flange（4）It links together.
8. steel arch-shelf closing device according to claim 7, it is characterised in that：In the girder steel to wind up with the lower edge
（1）On be fixedly installed connecting seat（9）, in described wind up support element is provided between the lower edge（10）, and support element
（10）It is movably connected in connecting seat（9）Upper composition scissors support construction.
9. steel arch-shelf closing device according to claim 8, it is characterised in that：Positioned at the cylinder（2）Interior is described
Telescopic rod（3）End set has stress, strain transducer.
10. one kind closing up segment, it is characterised in that：Closed up using the steel arch-shelf as described in claim 1-9 any claims
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179146.0U CN207862786U (en) | 2018-02-01 | 2018-02-01 | A kind of steel arch-shelf closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179146.0U CN207862786U (en) | 2018-02-01 | 2018-02-01 | A kind of steel arch-shelf closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862786U true CN207862786U (en) | 2018-09-14 |
Family
ID=63460737
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820179146.0U Expired - Fee Related CN207862786U (en) | 2018-02-01 | 2018-02-01 | A kind of steel arch-shelf closing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164746A (en) * | 2021-12-07 | 2022-03-11 | 中铁大桥科学研究院有限公司 | Temporary cross-brace device for hexagonal arch rib segments and arch rib assembling method |
| CN114182652A (en) * | 2022-01-11 | 2022-03-15 | 重庆标王机械设备有限公司 | Large-truss-height-adjustable suspension-assembly combined frame steel arch frame and large-span arch ring integral pouring process |
-
2018
- 2018-02-01 CN CN201820179146.0U patent/CN207862786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164746A (en) * | 2021-12-07 | 2022-03-11 | 中铁大桥科学研究院有限公司 | Temporary cross-brace device for hexagonal arch rib segments and arch rib assembling method |
| CN114182652A (en) * | 2022-01-11 | 2022-03-15 | 重庆标王机械设备有限公司 | Large-truss-height-adjustable suspension-assembly combined frame steel arch frame and large-span arch ring integral pouring process |
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Granted publication date: 20180914 |