CN207714162U - Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus - Google Patents
Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus Download PDFInfo
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- CN207714162U CN207714162U CN201820052966.3U CN201820052966U CN207714162U CN 207714162 U CN207714162 U CN 207714162U CN 201820052966 U CN201820052966 U CN 201820052966U CN 207714162 U CN207714162 U CN 207714162U
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- flat turn
- pushing tow
- freely
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- swivel
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Abstract
Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus, belong to flat turn beam and high-order fall girder apparatus technical field, including stabilizing mechanism, pushing tow flat turn mechanism and Luo Liang mechanisms, stabilizing mechanism is arranged between freely-supported arched girder body and flat turn mechanism shoulder pole girder, pushing tow flat turn mechanism includes pushing reaction bearing, equalizer bar, pushing tow jack and swivel sliding block, Luo Liang mechanisms include falling beam beam bottom cushion block and Luo Liang mechanisms jack, coordinate pushing tow jack pushing tow simply supported beam by turning sliding block, pushing reaction bearing and equalizer bar；It falls beam beam bottom cushion block cooperation Luo Liang mechanisms jack cycle and falls beam.The device of the utility model is simple and practicable, and the stability of freely-supported arch is improved in flat turn operation and effectively prevents the damage to freely-supported arched girder body；Safety and the working efficiency of construction are substantially increased when falling beam.For large-tonnage beam body flat turn is in place, a high position falls beam and provides construction experience.Work efficiency is high for the device, safe and convenient, is suitble to be widely used to promote.
Description
Technical field
The utility model belongs to flat turn beam and high-order fall girder apparatus technical field, especially suitable for crossing over existing railway business
The tied arch pushing tow flat turn of line freely-supported and high-order fall girder apparatus.
Background technology
Rotator construction as a kind of new construction method, constantly by the engineers and technicians of every country use and it is complete
It is kind, nowadays have become a kind of construction method of comparative maturity, but pushing tow flat turn construction technology is very rare, a high position falls beam and is even more
Difficulty is very big.
Swivel is primarily referred to as by bridge structure after non-design axial location makes molding, by being carried out again after turning in place
A kind of construction method for pouring or splicing.
Swivel is divided into flat turn, vertical transfer and flat vertical transfer and combines three kinds.
Vertical transfer method generally may be only available for the river of Mid and minor spans due to being mainly used in concrete ribbed arch bridge.
Flat turn method is the most-often used construction method of rotator construction.The plant used of constructing is few, simple for process, reduction
Operating expenses has the features such as reasonable for structure, stress is clear, and mechanical property is good, to substantially reducing difficulty of construction and construction
The danger of personnel；Secondly, construction by swing can preferably overcome high mountain gorge, on depth of water torrent or the river often opened the navigation or air flight
The difficulty for setting up Longspan Bridge is in communications and transportation busy urban interchange and railroad underbridge in particular for building,
Its advantage is more obvious, and finally, speed of application is fast, low cost, investment reduction, under the same conditions than using traditional suspension method,
Truss boom method, built method are compared, and economic benefit and social benefit are very notable.But incremental launching construction is applied as a kind of special
Work method has particularity in the construction process.The core of construction by swing is rotating machinery and turning power, in work progress
It is middle to ensure that stable structure and the smooth of system are converted into whether engineering successfully indicates.For swing system, to make
Superstructure smoothly rotates, in addition to it constructively should select the bridge type that rigidity is big, light-weight, the design and making of swing system
It is also an extremely important problem.Ideal swing system must have rotation flexibly and safety and stability the two conditions, in addition
It must be susceptible to make, be convenient for construction.
Therefore there is an urgent need for some devices in the prior art to coordinate completion pushing tow swivel and a high position to fall beam, keep beam body safe
Accurately it is placed on design position.
Utility model content
Technical problem to be solved in the utility model is：It provides a kind of across existing railway Business Line freely-supported tie-rod vault
It is bulldozed and turns and high-order fall girder apparatus, be placed on design position make freely-supported arched girder body safety and precise, increase the safety of construction
With the control ability of quality.
In order to achieve the above objectives, the utility model adopts the following technical scheme：Across existing railway Business Line freely-supported system
Bar vault, which is bulldozed, to be turned and high-order fall girder apparatus, including flat turn mechanism shoulder pole girder, temporary base and swivel slipway beam, the flat turn machine
Structure shoulder pole girder is mounted on the first pier coping portion by flat turn mechanism flexural pivot；The temporary base and the first bridge pier are located at existing railway
The same side of Business Line, the swivel slipway beam are made of precast beam section assembling, and swivel slipway beam one end is mounted on interim base
At the top of plinth, the other end is mounted on the second pier coping portion, and the second bridge pier and the first bridge pier are located at existing railway Business Line not homonymy,
It is characterized in that：Two pinners are each provided at the top of first bridge pier and the second bridge pier, two pinners on same bridge pier are in pair
It further includes stabilizing mechanism, pushing tow flat turn mechanism and Luo Liang mechanisms to claim setting, the device,
Wherein stabilizing mechanism includes stabilizing block, stabilizing block be arranged in freely-supported arched girder body and flat turn mechanism shoulder pole girder it
Between, stabilizing block quantity is four, and four stabilizing blocks are rectangular to be arranged in flat turn mechanism shoulder pole girder upper surface；
Wherein pushing tow flat turn mechanism includes pushing reaction bearing, equalizer bar, pushing tow jack and swivel sliding block, the pushing tow
Reaction support is arranged in swivel slipway beam top, and pushing reaction bearing is with swivel slipway beam by being welded together；It is described
Equalizer bar is arranged in above swivel slipway beam and acts against on pushing reaction bearing；Pushing tow jack setting equalizer bar with
Between swivel sliding block；The swivel sliding block is arranged between freely-supported arched girder body and swivel slipway beam；
Its decline beam mechanism includes falling beam beam bottom cushion block one, falling beam beam bottom cushion block two and Luo Liang mechanisms jack, described to fall
Beam beam bottom cushion block one is positioned on the pinner of the first bridge pier and the second pier coping portion, and N layers are stacked on each pinner and falls Liang Liang
Heelpiece block one, N>2, it falls beam beam bottom cushion block two and is positioned between two pinners of same bridge pier, fall two top of beam beam bottom cushion block and set
It is equipped with Luo Liang mechanisms jack.
Further, it is provided with base between the flat turn mechanism shoulder pole girder peace rotation mechanism flexural pivot.
Further, the pushing reaction bearing quantity is two or more, and pushing reaction bearing is equidistantly spaced to be slided in swivel
The tops Dao Liang.
Further, the swivel sliding block quantity two.
Further, it is provided with billet between the Luo Liang mechanisms and freely-supported arched girder body.
By above-mentioned design scheme, the utility model can bring following advantageous effect：The utility model proposes one kind
Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus, the pushing tow flat turn and high-order fall girder apparatus behaviour
Make simple and practicable, avoids the damage of freely-supported arched girder body when beam operation in pushing tow flat turn and high-order fall and can accurately encircle freely-supported
Beam body is placed on design position；It falls beam for large-tonnage concrete component pushing tow flat turn and a high position and provides new construction method and warp
It tests.Utility model works are efficient, and securely and reliably, exploitativeness is strong, are suitble to be widely used to promote.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The utility model illustrative embodiments and their description do not constitute the improper limit of the utility model for understanding the utility model
It is fixed, in the accompanying drawings：
Fig. 1 is that the utility model always shows across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
It is intended to.
Fig. 2 is that the utility model is turning across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
The structural schematic diagram of central side is turned when body construction.
Fig. 3 is that the utility model is turning across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
The partial structural diagram of central side is turned when body construction.
Fig. 4 is that the utility model is turning across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
The structural schematic diagram of pushing tow flat turn side pushing tow flat turn mechanism when body construction.
Fig. 5 is that the utility model crosses over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus transfer
The structural schematic diagram of body sliding block.
Fig. 6 is crossed in existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus for the utility model and is pushed up
Push away reaction support structural schematic diagram.
Fig. 7 is that the utility model is being fallen across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
The swivel slideway girder segment corresponding state diagram immediately below freely-supported arched girder body is removed when beam is constructed.
Fig. 8 is that the utility model is being fallen across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
Flat turn mechanism shoulder pole girder preparation stage corresponding diagram is removed when beam is constructed.
Fig. 9 is that the utility model is being fallen across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus
Freely-supported arched girder body both sides falls beam mechanism structure schematic diagram in beam work progress.
It is respectively marked in figure as follows：1- freely-supported arched girder bodies, 2- stabilizing blocks, 3- flat turns mechanism shoulder pole girder, 4- temporary bases, 5-
Turn slipway beam, 6- flat turns mechanism flexural pivot, the first bridge piers of 7-, 8- existing railway Business Lines, the second bridge piers of 9-, 10- pinners, 11-
Pushing reaction bearing, 12- equalizer bars, 13- pushing tow jack, 14- turn sliding block, and 15- falls beam beam bottom cushion block one, and 16- falls Liang Liang
Heelpiece block two, 17- Luo Liang mechanisms jack, 18- bases, 19- flat turns mechanism flexural pivot pinner.
Specific implementation mode
In order to clearly illustrate that the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.It will be appreciated by those skilled in the art that specifically described content is illustrative and be not restrictive below, no
The scope of protection of the utility model should be limited with this.In order to avoid obscuring the essence of the utility model, well known method, process and
Flow is not described in detail.
Shown in Fig. 9, the utility model crosses over existing railway Business Line freely-supported tied arch pushing tow flat turn and height
Position fall girder apparatus, including flat turn mechanism shoulder pole girder 3, temporary base 4 and swivel slipway beam 5, flat turn mechanism shoulder pole girder 3 pass through
Flat turn mechanism flexural pivot 6 is mounted on 7 top of the first bridge pier；The temporary base 4 and the first bridge pier 7 are located at existing railway Business Line 8
The same side, the swivel slipway beam 5 is made of precast beam section assembling, and swivel 5 one end of slipway beam is mounted on the top of temporary base 4
Portion, the other end are mounted on 9 top of the second bridge pier, and the second bridge pier 9 and the first bridge pier 7 are located at the not homonymy of existing railway Business Line 8,
It is characterized in that：The top of first bridge pier 7 and the second bridge pier 9 is each provided with two pinners 10, two pinners on same bridge pier
10 are symmetrical set, which further includes stabilizing mechanism, pushing tow flat turn mechanism and Luo Liang mechanisms,
Wherein stabilizing mechanism includes stabilizing block 2, and stabilizing block 2 is arranged in freely-supported arched girder body 1 and flat turn mechanism shoulder pole girder 3
Between, 2 quantity of stabilizing block is four, and the rectangular setting of four stabilizing blocks 2 is formed surely in 3 upper surface of flat turn mechanism shoulder pole girder
Determine support construction, which increase the compatible degrees of flat turn mechanism shoulder pole girder 3 and freely-supported arched girder body 1, ensure the reliable of its systems stabilisation
Property, and convenient for subsequently removing flat turn mechanism shoulder pole girder 3；
Wherein pushing tow flat turn mechanism includes pushing reaction bearing 11, equalizer bar 12, pushing tow jack 13 and turns sliding block 14,
The pushing reaction bearing 11 is arranged in 5 top of swivel slipway beam, and pushing reaction bearing 11 passes through the company of welding with swivel slipway beam 5
It is connected together, the reaction force during swivel is effectively provided；The equalizer bar 12 is arranged in 5 top of swivel slipway beam and pushes up
It leans against on pushing reaction bearing 11, ensures the force equilibrium of two pushing tow jack 13 during pushing tow；The pushing tow jack 13
Setting provides power between equalizer bar 12 and swivel sliding block 14, for pushing tow swivel；The swivel sliding block 14 is arranged in freely-supported arch
Between beam body 1 and swivel slipway beam 5, to reduce frictional force and reduce the destruction to freely-supported arched girder body 1,14 quantity two of sliding block is turned
A, double-slider arrangement ensures the stability during 1 flat turn of freely-supported arched girder body；
Its decline beam mechanism includes falling beam beam bottom cushion block 1, falling beam beam bottom cushion block 2 16 and Luo Liang mechanisms jack 17,
The beam beam bottom cushion block 1 that falls is positioned on the pinner 10 at 9 top of the first bridge pier 7 and the second bridge pier, folded on each pinner 10
It is placed with N layers and falls beam beam bottom cushion block 1, N>2, it falls beam beam bottom cushion block 2 16 and is positioned between two pinners 10 of same bridge pier, fall
2 16 top of beam beam bottom cushion block is provided with Luo Liang mechanisms jack 17.
It is provided with base 18 between 3 peace rotation mechanism flexural pivot 6 of flat turn mechanism shoulder pole girder.
11 quantity of pushing reaction bearing is two or more, and pushing reaction bearing 11 is equidistantly spaced from swivel slipway beam
5 tops.
Be provided with billet between Luo Liang mechanisms jack 17 and freely-supported arched girder body 1, to increase forced area and
To the effective protection of freely-supported arched girder body 1, it is without damage that beam process freely-supported arched girder body 1 is fallen with guarantee.
Specific construction flow is as follows：Drilled pile construction is first carried out, two bridge piers and interim base are carried out after pile foundation examines stake qualification
Plinth bearing platform construction, two bridge piers are respectively the first bridge pier 7, the second bridge pier 9, and the first bridge pier 7 is consistent with 9 structure of the second bridge pier, and first
Bridge pier 7 and temporary base 4 are located at the same side of existing railway Business Line 8, and the second bridge pier 9 and the first bridge pier 7 are located at existing railway
Homonymy, the first bridge pier 7 are not swivel centre pier to Business Line 8, and pier is carried out after temporary base cushion cap concrete reaches design strength
Body is constructed, and is accurately measured after pier shaft concrete reaches intensity, and installation swivel slipway beam 5, swivel slipway beam 5 is by prefabricated girder segment
It is assemblied to form, flat turn mechanism flexural pivot 6 is installed on the first bridge pier 7, flat turn mechanism flexural pivot 6 is provided with 7 contact position of the first bridge pier
Flat turn mechanism shoulder pole girder 3, i.e. flat turn mechanism shoulder pole girder 3 are accurately installed in flat turn mechanism flexural pivot pinner 19,6 top of flat turn mechanism flexural pivot
Be erected on the first bridge pier 7 by flat turn mechanism flexural pivot 6, then carry out between the first bridge pier 7 and temporary base 4 under beam surface strengthening
Concrete cushion is constructed, and framed bent under precast beam is carried out after bed course intensity reaches design requirement and is constructed, framed bent is accurately controlled and rises
Journey carries out beam bottom mother plate laying, carries out framed bent precompressed, accurate to measure framed bent settling amount, is carried out when result meets design requirement
Freely-supported arched girder body 1 is constructed, and holder is set up and the cloth muscle of freely-supported arched girder body 1 pours, and is set up arch trestle and is started each arch section of freely-supported arch
Lifting, carry out freely-supported arch arch springing steel member installation, freely-supported encircle arch springing formwork, freely-supported encircle arch springing concrete pouring construction.Letter
Branch encircles arch rib assembly, and freely-supported arch arch tube inner concrete pours, and framed bent is carried out after arch tube inner concrete reaches design requirement intensity
Dismounting.
101 deformation monitoring of freely-supported arched girder body is carried out, rotator construction is carried out after result qualification to be measured：Slipway beam is turned first
It is spaced 1.2m on 5, one pushing reaction bearing 11 is installed, then installs equalizer bar 12, then pushing tow jack 13, pushing tow are installed
The pushing tow 0.9m forward under the control of electric-control system of jack 13 unclamps the 13 axis pin oil return of pushing tow jack, at equalizer bar 12
Add 0.9m cushion blocks, reinstalls pushing tow jack 13, pushing tow jack 13 further along sell by pushing tow 0.9m, release pushing tow jack 13
Equalizer bar 12 and pushing tow jack 13 are moved forward a section, make freely-supported arched girder body 1 with flat turn mechanism flexural pivot 6 by axis oil return
It is rotated for center of rotation, recycles above-mentioned steps to the swivel of freely-supported arched girder body 1 successively and arrive design position, realize freely-supported arched girder body
1 one end far from center of rotation slides into designated position above the second bridge pier 9 by turning slipway beam 5 above temporary base 4,
The accurate freely-supported arched girder body 1 that measures rotates arrival designated position, completes rotator construction.
It carries out falling beam construction：Luo Liang mechanisms jack 17 is installed first below flat turn mechanism shoulder pole girder 3, is fallen by control
Beam mechanism jack 17 jacks up flat turn mechanism shoulder pole girder 3, removes base 18, flat turn mechanism flexural pivot 6 and flat turn mechanism flexural pivot successively
Pinner 19 stacks on two pinners 10 at 7 top of the first bridge pier and falls beam beam bottom cushion block 1, and stacking on two pinners 10 falls
One 15 height of beam beam bottom cushion block is identical, falls after the completion of the placement of beam beam bottom cushion block 1, and control Luo Liang mechanisms jack 17 makes flat turn
Mechanism shoulder pole girder 3 falls, and removes flat turn mechanism shoulder pole girder 3, Luo Liang mechanisms jack 17, installation fall beam beam bottom cushion block 2 16 and its
The Luo Liang mechanisms jack 17 of top, simultaneously the swivel slideway girder segment lower part installation immediately below freely-supported arched girder body 1 are fallen
Beam beam bottom cushion block 2 16 and its Luo Liang mechanisms jack 17 of top are unlocked and turn slideway girder segment immediately below freely-supported arched girder body 1
It is connect with adjacent swivel slideway girder segment, jacks up and turn slideway girder segment immediately below freely-supported arched girder body 1, remove freely-supported arched girder body 1
Underface turns slideway girder segment, and removal position placement falls beam beam bottom cushion block 2 16 and its Luo Liang mechanisms jack 17 of top,
Freely-supported arched girder body 1 is jacked up, two adjacent swivel slideway girder segments of swivel slideway girder segment immediately below freely-supported arched girder body 1 is removed, tears open
It is placed except position and falls beam beam bottom cushion block 1, jack up Luo Liang mechanisms jack 17, extraction outside falls beam beam bottom cushion block 1, falls
Luo Liang mechanisms jack 17, what extraction was used for down natural and graceful beam mechanism jack 17 falls 2 16 1 layers of beam beam bottom cushion block, recycles successively
Jack up, under natural and graceful beam mechanism jack 17 alternately extraction cushion block fall beam, drop down onto the support position of the first bridge pier 7 and the second bridge pier 9,
Tune beam, Luo Liang are carried out using Luo Liang mechanisms jack 17, beam is adjusted, falls beam after the completion to support grouting, completion falls beam work.Pass through
The Luo Liang mechanisms jack 17 of 1 both sides of freely-supported arched girder body and the alternating support for falling beam beam bottom cushion block 2 16, realize freely-supported arched girder body 1
Firm whereabouts, reach designated position,
The utility model offer is a kind of to cross over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus,
Freely-supported arched girder body 1 is that both sides cycle falls, and enables 1 both ends even load distribution stress of freely-supported arched girder body.To ensure that pushing tow is flat
The stability under loading of flat turn mechanism shoulder pole girder 3 during turning, four stabilizing blocks 2 are rectangular to be arranged on flat turn mechanism shoulder pole girder 3
Surface forms stable support structure；It falls beam beam bottom cushion block 1 and falls 2 16 quantity of beam beam bottom cushion block and determined according to depth of beam is fallen,
And specialized factory order goods make, guarantee fall beam beam bottom cushion block use it is safe and reliable.
The utility model can bring following advantageous effect：The pushing tow flat turn of the utility model and high-order fall girder apparatus are simple
It is easy, pushing tow flat turn and it is high-order fall avoided when beam operation freely-supported arched girder body 1 damage and can be accurately by freely-supported arched girder body 1
It is placed on design position；It falls beam for large-tonnage concrete component pushing tow flat turn and a high position and provides new construction method and experience.This
Work efficiency is high for utility model, securely and reliably, is investigated by putting into practice, is suitble to be widely used to promote.
Claims (5)
1. across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus, including flat turn mechanism shoulder pole girder
(3), temporary base (4) and swivel slipway beam (5), flat turn mechanism shoulder pole girder (3) are mounted on by flat turn mechanism flexural pivot (6)
At the top of first bridge pier (7)；The temporary base (4) and the first bridge pier (7) are located at the same side of existing railway Business Line (8), institute
It states swivel slipway beam (5) to be made of precast beam section assembling, swivel slipway beam (5) one end is mounted at the top of temporary base (4), separately
One end is mounted at the top of the second bridge pier (9), and the second bridge pier (9) and the first bridge pier (7) are located at existing railway Business Line (8) difference
Side, it is characterised in that：Two pinners (10) are each provided at the top of first bridge pier (7) and the second bridge pier (9), on same bridge pier
Two pinners (10) be symmetrical set, which further includes stabilizing mechanism, pushing tow flat turn mechanism and Luo Liang mechanisms,
Wherein stabilizing mechanism includes stabilizing block (2), and stabilizing block (2) is arranged in freely-supported arched girder body (1) and flat turn mechanism shoulder pole
Between beam (3), stabilizing block (2) quantity is four, and four stabilizing blocks (2) are rectangular to be arranged in flat turn mechanism shoulder pole girder (3)
Upper surface；
Wherein pushing tow flat turn mechanism includes pushing reaction bearing (11), equalizer bar (12), pushing tow jack (13) and swivel sliding block
(14), the pushing reaction bearing (11) is arranged in swivel slipway beam (5) top, pushing reaction bearing (11) and swivel slipway beam
(5) by being welded together；The equalizer bar (12) is arranged in above swivel slipway beam (5) and acts against pushing reaction branch
On seat (11)；Pushing tow jack (13) setting is between equalizer bar (12) and swivel sliding block (14)；The swivel sliding block
(14) it is arranged between freely-supported arched girder body (1) and swivel slipway beam (5)；
Its decline beam mechanism includes falling beam beam bottom cushion block one (15), falling beam beam bottom cushion block two (16) and Luo Liang mechanisms jack
(17), described to fall on the pinner (10) that beam beam bottom cushion block one (15) is positioned at the top of the first bridge pier (7) and the second bridge pier (9), often
It is stacked with N layers on a pinner (10) and falls beam beam bottom cushion block one (15), N>2, it falls beam beam bottom cushion block two (16) and is positioned over same bridge
Between two pinners (10) of pier, falls above beam beam bottom cushion block two (16) and be provided with Luo Liang mechanisms jack (17).
2. according to claim 1 cross over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus,
It is characterized in that：It is provided with base (18) between flat turn mechanism shoulder pole girder (3) peace rotation mechanism flexural pivot (6).
3. according to claim 1 cross over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus,
It is characterized in that：Pushing reaction bearing (11) quantity is two or more, and pushing reaction bearing (11), which is equidistantly spaced from, to be turned
Body slipway beam (5) top.
4. according to claim 1 cross over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus,
It is characterized in that：Swivel sliding block (14) quantity two.
5. according to claim 1 cross over existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus,
It is characterized in that：It is provided with billet between Luo Liang mechanisms jack (17) and freely-supported arched girder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052966.3U CN207714162U (en) | 2018-01-12 | 2018-01-12 | Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052966.3U CN207714162U (en) | 2018-01-12 | 2018-01-12 | Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207714162U true CN207714162U (en) | 2018-08-10 |
Family
ID=63051823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820052966.3U Withdrawn - After Issue CN207714162U (en) | 2018-01-12 | 2018-01-12 | Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN207714162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221711A (en) * | 2018-01-12 | 2018-06-29 | 中铁九局集团有限公司 | Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus |
-
2018
- 2018-01-12 CN CN201820052966.3U patent/CN207714162U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221711A (en) * | 2018-01-12 | 2018-06-29 | 中铁九局集团有限公司 | Across existing railway Business Line freely-supported tied arch pushing tow flat turn and high-order fall girder apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180810 Effective date of abandoning: 20190606 |