CN103754547A - Sliding trolley and method for transporting super-heavy members - Google Patents
Sliding trolley and method for transporting super-heavy members Download PDFInfo
- Publication number
- CN103754547A CN103754547A CN201310754810.1A CN201310754810A CN103754547A CN 103754547 A CN103754547 A CN 103754547A CN 201310754810 A CN201310754810 A CN 201310754810A CN 103754547 A CN103754547 A CN 103754547A
- Authority
- CN
- China
- Prior art keywords
- plate
- slip
- slip chassis
- rubber plate
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a sliding trolley and a method for transporting super-heavy members. The sliding trolley comprises a sliding plate and a high-pressure water chamber. The sliding plate is a frame member, and the high-pressure water chamber is disposed in the frame of the sliding plate. The sliding plate comprises a slide and a supporting plate which is arranged on the upper surface of the slide. The slide and the supporting plate are both frame members. The slide is a polytetrafluoroethylene plate, and a water inlet is formed in the polytetrafluoroethylene plate. The supporting plate comprises a first steel plate, a second steel plate, a first rubber plate and a second rubber plate. The first steel plate is stacked on the first rubber plate which is stacked on the second steel plate, and the second steel plate is stacked on the second rubber plate which is stacked on the slide. By means of the sliding trolley and the method, the frictional resistance can be reduced, the slide service life is prolonged, the push power and the thrust are reduced, the technological structure is simple, the cost is low, and popularization is facilitated.
Description
Technical field
The present invention relates to carrying field, be specifically related to a kind of method of sliding chassis and going out to transport overweight member.
Background technology
It is the basic technology in all kinds engineering construction that heavy mail moves, and to the mankind's operating technique progress, has significantly significant.From round log, be rolled to wheel track, from the huge stones of the several tons hydraulic immersed tube pushing tow of 76000 tons of the heaviest members in the world up till now, always towards increasing, more and more heavier direction is advanced.
For more and more heavier member, mobile system also becomes increasingly complex, and equipment is more and more huger, and technique cost is more and more higher, and difficulty of construction is also increasing.
The most common wheel track technology, for example, for the long larger heavy mail (large box girder) of length and width, obtain fortune steadily, track chassis technique is proper, but grounding pressure is larger, every square reaches 200～500 tons, and track foundation processing and chassis equipment investment are higher.At construction weight, reach ton when above, the quantity of chassis quite more than, track is also more and more heavier, goes out to transport system cost high, wheel track technology is inadaptable.
Air bag goes out mode extremely high economic value.It is that hoisting gasbag is filled in to member bottom (trench) that air bag goes out transportation technique, then inflating and lifting member, after completing, passes through component jacking chock pad, fill in moving gasbag, member is seated on moving gasbag to the technique of then utilizing the tractive force of winch to make air bag rolling drive member to move.By member ground connection ratio, approximately 20 tons of every sq ms, at the bottom of foundation requirement, but are only applicable to the member that grounding pressure is less, aspect ratio is little, and sometimes can not use for prestressed component.
In super heavy member, slide plate is the main flow of occuping market gradually, and a large amount of bridge, caisson, immersed tube have been used this technology both at home and abroad.But, this technology of slide plate of using at present, because of the effect of surface binded, the maximum quiet friction coefficient that rubs is about 6%, is bordering on 8% after being placed in for a long time original position.When the heavy mail of ten thousand tons of weighing moves, thrust also reaches 800 tons, when port Zhuhai and Macao bridge immersed tube prefabricated goes out to transport, and other facilities such as subsidiary template, heavy nearly 80000 tons while going out to transport, the thrust nargin of considering design, thrust also reaches 6000 tons, and system is huge, investment cost is very high, and in mobile process, the sliding material loss of each working cycle is very large, diversion fee is very high.
In some special engineerings, also occurred that water pocket water cushion goes out to transport technique, air cushion goes out to transport technique etc.
The technique that goes out to transport of air bag and chassis is now only widely used in being less than the member of 10,000 tons.Overweight slide plate pushing tow goes out fortune needs very large jacking force, goes out fortune system quite complicated, and technology is difficult to grasp, somewhat expensive.Air cushion process structure complexity, need to spend huge power, and somewhat expensive requires harshness to environment for use and service conditions, does not utilize popularization.
Be not difficult to find out, prior art is to going out to transport ten thousand tons until the heavy mail of 10 tons also exists certain defect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of method of sliding chassis and going out to transport overweight member, and it can reduce friction drag, extends the service life of sliding material, reduce and pass power and thrust, and process structure is simple, and expense is cheap, is beneficial to popularization.
For this reason, the invention provides following technical scheme:
A kind of slip chassis, comprising:
Slide plate and high-pressure water chamber, described slide plate is frame type member, described high-pressure water chamber is positioned at the frame of described slide plate;
Described slide plate comprises: sliding material and stay bearing plate, and described stay bearing plate is placed in the upper surface of described sliding material; Described sliding material and stay bearing plate are frame type member.
Further, described sliding material is polyfluortetraethylene plate, on described polyfluortetraethylene plate, is provided with water inlet.
Further, described stay bearing plate comprises: the first steel plate, the second steel plate, the first rubber plate, the second rubber plate, and described the first sheet pack is on the first rubber plate, and the first rubber plate is folded in the second steel plate further, and the second rubber plate is folded on described sliding material.
Further, described slip chassis also comprises: water pump and water tank, one end of described water pump is connected in described water tank, and the other end is connected in described duct and through the first rubber plate, the second steel plate and the second rubber plate, communicates with described high-pressure water chamber successively by cored screw.
Further, described slip chassis also comprises: by pass valve, and one end of described by pass valve is connected in described water tank, and the other end is connected in the passage between described water pump and opening of the channel.
Further, described slip chassis also comprises: stagnant hauling rope after anti-, for anti-skidding chassis from line slip.
The present invention also provides a kind of and adopts described slip chassis to go out to transport the method for overweight member, comprising:
Slip chassis is placed in to desired location;
The pressure-bearing distribution beam of the overweight member of carrying is fallen on described slip chassis;
The high-pressure water chamber of described slip chassis is carried out to water-filling, pressurization;
Push-and-pull is overweight member, produces to the power of target direction motion it.
The present invention is by arranging slide plate and high-pressure water chamber, make high-pressure water chamber become a part for friction pair, by high-pressure water chamber, carry most of weight of overweight member, the weight that slide plate carries greatly reduces, when overweight member moves, greatly reduce friction drag, reduced passing power and thrust; And the suffered total amount of must carrying of slide plate greatly reduces, and then has extended right service life.And slip chassis provided by the present invention to purchase clothing simple in structure, manufacturing cost is cheap, environment for use and service conditions is had no special requirements simultaneously, is beneficial on a large scale and promotes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The one slip chassis schematic diagram that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the vertical cross section figure of Fig. 1;
A kind of working state figure of chassis when going out to transport overweight member that slide that Fig. 3 provides for the embodiment of the present invention.
Drawing reference numeral explanation:
The sliding material of 2-; 22-stay bearing plate; 222-high-pressure water chamber;
1-the first steel plate; 3-the second steel plate; 4-the first rubber plate; 5-the second rubber plate;
6-duct; 7-cored screw;
8-pressure-bearing distribution beam; 9-slip chassis; 10-orbital plane; 11-slideway basis;
12-by pass valve; 13-water pump; 14-water tank; 15-overweight object
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, the one slip chassis that the present embodiment provides, comprising:
Slide plate and high-pressure water chamber 222, described slide plate is frame type member, described high-pressure water chamber 222 is positioned at the frame of described slide plate;
Described slide plate comprises: sliding material 2 and stay bearing plate 22, and described stay bearing plate 22 is placed in the upper surface of described sliding material 2; Described sliding material 2 and stay bearing plate 22 are frame type member.
As preferably, as shown in Figure 2, described sliding material 2 is polyfluortetraethylene plate, on described polyfluortetraethylene plate, is provided with water inlet.As preferably, described stay bearing plate 22 comprises: the first steel plate 1, the second steel plate 3, the first rubber plate 4, the second rubber plate 5, described the first steel plate 1 is folded on the first rubber plate 4, the first rubber plate 4 is folded on the second steel plate 3, the second steel plate 3 is folded on the second rubber plate 5, and the second rubber plate 5 is folded on described sliding material 2.It should be noted that, as preferably, described the first steel plate 1 to the second steel plate 3 is thick, in the present embodiment, the steel plate that preferably 35mm is thick is as the first steel plate 1, and the thick steel plate of 6mm is as the second steel plate 3, it is thick that described the first rubber plate 4 is preferably 10mm, and it is thick that the second rubber plate 5 is preferably 6mm.The object that adopts the first rubber plate 4, the second steel plate 3 and the second rubber plate 5 is mainly for solving the sliding surface of chassis 9 when carrying overweight object slides that slide at orbital plane 10() pressure that brings of unfairness makes the water loss in high-pressure water chamber 222, and also solved the variable thickness of polyfluortetraethylene plate when high-pressure water chamber 222 is set and caused problem simultaneously.
As preferably, described the first steel plate 1 is provided with duct 6.As preferably, described slip chassis 9 also comprises: water pump 13 and water tank 14, one end of described water pump 13 is connected in described water tank 14, and the other end is connected in described duct 6 and through the first rubber plate 4, the second steel plate 3 and the second rubber plate 5, communicates with described high-pressure water chamber 222 successively by cored screw 7.As preferably, described slip chassis 9 also comprises: by pass valve 12, and one end of described by pass valve 12 is connected in described water tank 14, and the other end is connected in the passage between 6 mouthfuls, described water pump 13 and duct.As preferably, described slip chassis 9 also comprises: stagnant hauling rope after anti-, for anti-skidding chassis 9 from line slip.
It should be noted that, under the operation pressure of specifying, the flow of water pump 13 is very little, also seldom overflows orbital plane 10.Even if occur overflowing, the flow of water pump 13 can supplement immediately; As preferably also supplementing by equipment energy-storing device.The water of overflow can pass through by pass valve 12 reflow tank 14 again.As the source abundance of water, can not use by pass valve 12.For preventing in the situation from line slip without traction situation lower slider chassis 9, when longitudinal gradient is larger, should arranges and slip hauling rope after anti-.
The slip chassis 9 that the present embodiment consists of polyfluortetraethylene plate (sliding material 2), stay bearing plate 22, high-pressure water chamber 222 carries overweight member, when the overweight member of carrying, high pressure water is at the interior formation water cushion of high-pressure water chamber 222, water cushion has carried most of weight of overweight member, and what polytetrafluoroethylene vinyl plate and stay bearing plate 22 carried is the sub-fraction weight of overweight member.
It should be noted that, the object that water pump 13, water tank 14, by pass valve 12 is set at this is: when packing overweight member, if there is water to overflow high-pressure water chamber 222, described water pump 13 can supplement in time, and the water of overflow reflow tank 14 again.
The present invention also provides a kind of method that adopts described slip chassis 9 to go out to transport overweight member, comprising: slip chassis 9 is placed in to desired location; Overweight member is fallen on described slip chassis 9; High-pressure water chamber 222 to described slip chassis 9 carries out water-filling, pressurization; Push-and-pull is overweight member, produces to the power of target direction motion it.
As shown in Figure 3, with an example, the method that adopts described slip chassis 9 to go out to transport overweight member is described below:
Certain engineering access bridge is caisson pier formula structure, and between every two piers, laying 3 precast prestressed case beam 15(is overweight member mentioned above), have 51.Case beam 15 scantling of structure are that 51m(is long) × 2.6m(is wide) × 3.5m(is high), maximum weight is 808t.This case beam 15 is prefabricated in fabrication yard, need to go out to be transported to wharf apron and just can lift by crane installation, in view of case beam 15 constructional features, selects the slip chassis 9 that the present embodiment provides to go out this case beam 15 of fortune.
If monolithic slide plate and orbital plane 10(orbital plane 10 are arranged on slideway basis 11) length of contact be 1.2m, width is 0.6m.Inner chamber (being high-pressure water chamber 222 mentioned above) is long is 0.9m, and wide is 0.32m.The slip chassis 9 that each 2 the present embodiment of every side provide, uses 6 slip chassis 9 altogether.
Corrosion-resistant steel track with the gross area that polyfluortetraethylene plate (i.e. sliding material 2) contacts is:
S=6×（1.2m×0.6m-0.32m×0.9m）=2.6m
2
Polyfluortetraethylene plate contact pressure-bearing:
F=（808t×9.8kN/t）÷2.6m
2≈3.0MPa
Polyfluortetraethylene plate compressive strength is about 10MPa, and pressure-bearing affluence degree when static is about 3.3 coefficient calculations.
The area of built-in water cavity (being high-pressure water chamber 222 mentioned above) is:
S=6×0.32m×0.9m=1.73m
2
Water cushion (after the interior water-filling of high-pressure water chamber 222, pressurization forms) pressure selection is 3.5MPa, can bear:
F=1.73m
2×3.5MPa=6055kN
Polytetrafluoroethylene compressive strength is about 10MPa, and inside is subject to the dynamic nargin of high pressure water to be about 2.86 times.
When static, whole heavy mail pressure (weight of case beam 15 mentioned above), by the difference of the part of water pressure-bearing with dynamically time, is born by the coefficient of sliding resistance of polytetrafluoroethylene, and its friction force is:
f=μ(808t×9.8kN/t-6055kN)=0.03×540kN=55.9kN
At this moment the average pressuure that polytetrafluoroethylene bears is:
N=(808t×9.8kN/t-6055kN)÷2.6m
2=0.71MPa
Therefore overall friction coefficient is:
f=55.9kN÷（808t×9.8kN/t）=0.007
Situation when this and practice of construction meets, and actual overall friction coefficient, in 0.006～0.008 left and right, has greatly reduced friction force.
When packing this case beam 15, use altogether 6 slip chassis 9, water pump 13 is selected 5MPa pressure, and flow is 36L/min.
Outside skateboard, clamp beveling of the edge welds entirely, uses the welding rod of D=2.5mm to carry out full weldering angle lap, possesses the ability of lateral force resisting.
Use the suitable rubber plate of modulus of elasticity, guarantee that amount of compression is about 2.5mm to the thick rubber plate (comprising the first rubber plate 4 mentioned above and the second rubber plate 5) of 16mm when 3.5MPa.
Embedded 6mm surface of steel plate is nature roughness or beats thick.
Sliding construction
Sliding construction is comprised of the case beam 15 that falls, slip chassis 9 three steps of pressurizeing, move forward.
The present invention is by arranging slide plate and high-pressure water chamber 222, make high-pressure water chamber 222 become a part for friction pair, by high-pressure water chamber 222, carry most of weight of overweight member, the weight that slide plate carries greatly reduces, when overweight member moves, greatly reduce friction drag, reduced passing power and thrust; And the suffered total amount of must carrying of slide plate greatly reduces, and then has extended right service life.And slip chassis 9 provided by the present invention to purchase clothing simple in structure, manufacturing cost is cheap, environment for use and service conditions is had no special requirements simultaneously, is beneficial on a large scale and promotes.
The above embodiment has only expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a slip chassis, is characterized in that, comprising:
Slide plate and high-pressure water chamber, described slide plate is frame type member, described high-pressure water chamber is positioned at the frame of described slide plate;
Described slide plate comprises: sliding material and stay bearing plate, and described stay bearing plate is placed in the upper surface of described sliding material; Described sliding material and stay bearing plate are frame type member.
2. slip chassis according to claim 1, is characterized in that: described sliding material is polyfluortetraethylene plate, on described polyfluortetraethylene plate, is provided with water inlet.
3. slip chassis according to claim 2, it is characterized in that, described stay bearing plate comprises: the first steel plate, the second steel plate, the first rubber plate, the second rubber plate, described the first sheet pack is on the first rubber plate, the first rubber plate is folded on the second steel plate, the second sheet pack is on the second rubber plate, and the second rubber plate is folded on described sliding material.
4. slip chassis according to claim 3, is characterized in that: described the first steel plate is provided with duct.
5. slip chassis according to claim 4, it is characterized in that, also comprise: water pump and water tank, one end of described water pump is connected in described water tank, and the other end is connected in described duct and through the first rubber plate, the second steel plate and the second rubber plate, communicates with described high-pressure water chamber successively by cored screw.
6. slip chassis according to claim 5, is characterized in that, also comprises: by pass valve, and one end of described by pass valve is connected in described water tank, and the other end is connected in the passage between described water pump and opening of the channel.
7. slip chassis according to claim 6, is characterized in that, also comprises: stagnant hauling rope after anti-, for anti-skidding chassis from line slip.
8. a method that adopts slip chassis claimed in claim 1 to go out to transport overweight member, is characterized in that, comprising:
Slip chassis is placed in to desired location;
The pressure-bearing distribution beam of the overweight member of carrying is fallen on described slip chassis;
The high-pressure water chamber of described slip chassis is carried out to water-filling, pressurization;
Push-and-pull is overweight member, produces to the power of target direction motion it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754810.1A CN103754547B (en) | 2013-12-31 | 2013-12-31 | A kind of chassis and go out to transport the method for super-heavy component of sliding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754810.1A CN103754547B (en) | 2013-12-31 | 2013-12-31 | A kind of chassis and go out to transport the method for super-heavy component of sliding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103754547A true CN103754547A (en) | 2014-04-30 |
| CN103754547B CN103754547B (en) | 2016-06-08 |
Family
ID=50521918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754810.1A Expired - Fee Related CN103754547B (en) | 2013-12-31 | 2013-12-31 | A kind of chassis and go out to transport the method for super-heavy component of sliding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103754547B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138425A (en) * | 2018-09-27 | 2019-01-04 | 浙江精工钢结构集团有限公司 | A kind of anti-certainly sliding construction equipment and its method tilted in sliding construction from top to bottom |
| CN112853988A (en) * | 2021-01-14 | 2021-05-28 | 中铁大桥局集团有限公司 | Beach transportation device and beam transportation method for large-section steel truss beam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0395006A (en) * | 1989-09-04 | 1991-04-19 | Taisei Corp | Transportation and transporter for object to be transported |
| JPH0710233A (en) * | 1993-06-18 | 1995-01-13 | Ohbayashi Corp | Transfer of heavy material and sliding base used therefor |
| CN101463589A (en) * | 2008-12-25 | 2009-06-24 | 路桥华南工程有限公司 | Adjustable slipper block for jacking complicated vertical camber beam and method for producing the same |
| CN102002914A (en) * | 2010-11-17 | 2011-04-06 | 中铁二十四局集团有限公司 | Construction pushing device of steel box beam |
| CN102080356A (en) * | 2010-12-17 | 2011-06-01 | 中铁大桥局集团第四工程有限公司 | Box girder positioning temporary supporting seat and positioning construction method of box girder |
| CN203638516U (en) * | 2013-12-31 | 2014-06-11 | 中交第四航务工程局有限公司 | Sliding trolley |
-
2013
- 2013-12-31 CN CN201310754810.1A patent/CN103754547B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0395006A (en) * | 1989-09-04 | 1991-04-19 | Taisei Corp | Transportation and transporter for object to be transported |
| JPH0710233A (en) * | 1993-06-18 | 1995-01-13 | Ohbayashi Corp | Transfer of heavy material and sliding base used therefor |
| CN101463589A (en) * | 2008-12-25 | 2009-06-24 | 路桥华南工程有限公司 | Adjustable slipper block for jacking complicated vertical camber beam and method for producing the same |
| CN102002914A (en) * | 2010-11-17 | 2011-04-06 | 中铁二十四局集团有限公司 | Construction pushing device of steel box beam |
| CN102080356A (en) * | 2010-12-17 | 2011-06-01 | 中铁大桥局集团第四工程有限公司 | Box girder positioning temporary supporting seat and positioning construction method of box girder |
| CN203638516U (en) * | 2013-12-31 | 2014-06-11 | 中交第四航务工程局有限公司 | Sliding trolley |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138425A (en) * | 2018-09-27 | 2019-01-04 | 浙江精工钢结构集团有限公司 | A kind of anti-certainly sliding construction equipment and its method tilted in sliding construction from top to bottom |
| CN112853988A (en) * | 2021-01-14 | 2021-05-28 | 中铁大桥局集团有限公司 | Beach transportation device and beam transportation method for large-section steel truss beam |
| CN112853988B (en) * | 2021-01-14 | 2022-04-15 | 中铁大桥局集团有限公司 | Beach transportation device and beam transportation method for large-section steel truss beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103754547B (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201224866Y (en) | Floating pier steel bridge approach floating type elevating system | |
| CN106638687B (en) | A kind of accurate quick-assembling technique of precast assembly pipe gallery | |
| CN103061264B (en) | Method and device for pre-pressing high-position support single column in water | |
| CN203624403U (en) | Rail guided trolley for conveying materials for high-slope pitching | |
| CN107499968A (en) | A kind of unloading method of bridge crane in shallow draft quay | |
| CN2793147Y (en) | Steel box suspension beam for multi-span suspension bridge | |
| CN107165046B (en) | A kind of installation method of bridge inspection car | |
| CN101831888A (en) | 1200 tonner water conservancy aqueduct transportation and erection equipment | |
| CN104828758A (en) | Thermal power generating unit draught fan structure support overall transfer device and transfer method | |
| CN111980067B (en) | Construction method for long-distance conveying of immersed tube by adopting refuting process | |
| CN203498758U (en) | Lever-type prepressing bracket device | |
| CN102660923A (en) | Assembly construction process of prefabricated 40m T-beam in intertidal zone of open sea | |
| CN103754547A (en) | Sliding trolley and method for transporting super-heavy members | |
| CN105544409A (en) | Erecting composite beam on-site section splicing girder construction technology of double guide beam bridge erecting machine | |
| CN203638516U (en) | Sliding trolley | |
| CN103774672B (en) | The method of ramp caisson transportation | |
| CN202831000U (en) | Fixed tower crane overall moving mechanism | |
| CN204526937U (en) | A kind of rotation support device of box culvert transport | |
| CN206901337U (en) | A kind of heavily loaded stacking machine | |
| CN115874594B (en) | Ocean booster station translation loading system and translation loading method thereof | |
| CN108004930A (en) | The construction method of vertical shift bowstring arch bridge | |
| CN103738484A (en) | Sliding track vehicle for dragging and launching drilling ship | |
| CN105692465A (en) | Cableway type fish collection box dam-loading transfer system | |
| CN205419568U (en) | Cableway type fish collecting box dam-loading transfer device | |
| CN101476282B (en) | Construction method for long, large and heavy component in river |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |