CN110158485A - A kind of easy prefabricated bridge lifting trolley and its application method - Google Patents
A kind of easy prefabricated bridge lifting trolley and its application method Download PDFInfo
- Publication number
- CN110158485A CN110158485A CN201910596478.8A CN201910596478A CN110158485A CN 110158485 A CN110158485 A CN 110158485A CN 201910596478 A CN201910596478 A CN 201910596478A CN 110158485 A CN110158485 A CN 110158485A
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- CN
- China
- Prior art keywords
- trolley
- stringer
- bridge
- prefabricated bridge
- column
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of easy prefabricated bridge lifting trolley and its application methods, the lifting trolley includes column, crossbeam, truss stringer, wirerope, the vertically symmetrical formula of four columns is distributed in two sides, truss stringer is separately fixed between the two root posts of every side by flange plate bolt, the both ends of the truss stringer of every side are equipped with horizontal first crossbeam and second cross beam, one end of column is also fixed with chord member, the third crossbeam at two intervals is equipped between two adjacent chord members, third crossbeam is equipped with the hanging piece for hoisting prefabricated floorings；One end of wirerope is separately fixed on truss stringer and chord member, and the other end is fixed on column top；Each column bottom is equipped with trolley walking mechanism；The lifting trolley is assembled at bridge construction scene, completes the installation of prefabricated bridge, the lifting trolley structure is simple, and at low cost, construction efficiency is high, convenient for disassembly and assembly.
Description
Technical field
The present invention relates to highway, railroad bridge technical field of construction, specifically a kind of easy prefabricated bridge lifts platform
Vehicle and its application method.
Background technique
With China's expanding economy, the process of infrastructure construction is accelerated therewith, in order to which people's trip is more convenient, respectively
The bridge construction in a city is more and more.Since bowstring arch bridge structure is relatively easy, difficulty of construction is relatively small, construction period phase
To shorter, so being widely used in bridge construction.
Certain bowstring arch bridge superstructures are arch rib, sunpender, tie-rod, crossbeam, stringer and floorings, and wherein tie-rod is along bridge
Direction of traffic is horizontally disposed, and cross beam support is mutually perpendicular on tie-rod and with tie-rod, and stringer is supported on crossbeam and mutual with crossbeam
Vertically, floorings are placed on stringer.Crossbeam, stringer and floorings are generally using first prefabricated rear lifting.
If lifting for prefabricated bridge can not park crane be the trunk railway of heavy traffic under bridge under bridge；
When under bridge being the rivers water surface, floorings are lifted difficulty in place also very greatly under bridge using the hanging device on hull, because
Floorings are difficult to from putting on to come between beam in length and breadth, and since bridge width is larger, floorings are also difficult to hang from bridge downside to bridge
Beam middle position.Existing method often uses the Large-scale Hoistings equipment such as tower crane or cable crane to install, but Large-scale Hoisting equipment cost
Higher, construction efficiency is low, and installation quality is not high；Such case is badly in need of a kind of simple and effective floorings hanging method and corresponding
Construction equipment.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and provide a kind of easy prefabricated bridge lifting trolley
And its application method, the lifting trolley structure is simple, and at low cost, construction efficiency is high, convenient for disassembly and assembly.
Realizing the technical solution of the object of the invention is:
A kind of easy prefabricated bridge lifting trolley, including column, crossbeam, truss stringer, wirerope, four columns are right vertically
Title formula is distributed in two sides, and truss stringer is separately fixed between the two root posts of every side by flange plate bolt, the truss of every side
The both ends of stringer are equipped with horizontal first crossbeam and second cross beam, and one end of column 1 is also fixed with chord member, two adjacent strings
The third crossbeam at two intervals is equipped between bar, third crossbeam is equipped with the hanging piece for hoisting prefabricated floorings；Wirerope
One end is separately fixed on truss stringer and chord member, and the other end is fixed on column top；Each column bottom is equipped with trolley row
Mechanism is walked, trolley is easy to lift and walks on the steel stringer in spanning, prefabricated bridge is sent to specified prefabricated bridge and is pacified
Holding position.
The column connect at the top of the two root posts of side with chord member and is equipped with the 4th crossbeam.
The truss stringer, is equipped with counterweight, and the weight of counterweight is determined according to the prefabricated bridge weight of required lifting
It is fixed, by the weight and balance position that strictly accurately calculate determining counterweight.
The trolley walking mechanism, including connecting plate, side plate, bearing, traveling wheel, connecting plate are fixed on column lower end,
Two blocks of side plates are vertically symmetrical to be fixed below connecting plate, and traveling wheel is fixed on side plate by bearing, steel of the traveling wheel in bridge
It walks on stringer, the limit plate being provided symmetrically on steel stringer forms the walking trough of traveling wheel between limit plate.
The trolley walking mechanism, the traveling wheel in each trolley walking mechanism are 2.
The hanging piece is hoist, and hoist is 4, and 4 hoists are symmetrically arranged on two third crossbeams.
A kind of application method of easy prefabricated bridge lifting trolley, includes the following steps:
1) limit plate is set on the steel stringer of bridge, forms the walking trough of lifting trolley traveling wheel；
2) trolley is lifted well in steel stringer over-assemble, check that lifting each component of trolley is connected firmly, and can be normal on steel stringer
Counterweight is arranged on truss stringer by calculating according to the weight of hoisting prefabricated floorings in walking；
3) lifting trolley is moved to prefabricated bridge storage area, on the hanging piece that prefabricated bridge is hung over to lifting trolley；
4) lifting trolley is pushed to walk on the steel stringer in spanning, it is fixed after prefabricated bridge is sent to designated mounting position
Trolley is lifted, prefabricated bridge is unloaded, installation site is stably placed at；
5) it pushes lifting trolley to retreat to the storage area of prefabricated bridge, step 3)-step 4) is repeated, until adjacent two panels steel stringer
Between floorings rigging out；
6) lifting trolley is laterally moved into next column region to be installed, repeats step 1- step 5), until completing the bridge of full-bridge
Panel installation.
The utility model has the advantages that a kind of easy prefabricated bridge lifting trolley provided by the invention and its application method, the lifting
Trolley has the advantages that
1, it is in place to solve the problems, such as that arch bridge prefabricated board lifts, and the method extends to other bridges for needing to install floorings
Beam；
2, lifting trolley can on-site assembly remove, it is reusable and low in cost；
3, lifting trolley is light and handy, and friction is small between traveling wheel and walking trough, manually can move and operate, not need electricity
Source or other power-equipments, easy for construction, construction efficiency is high；
4, if you need to accelerate construction progress, multiple lifting trolleys can be arranged to carry out lifting operation simultaneously.
Detailed description of the invention
Fig. 1 is lifting trolley side elevation schematic diagram；
Fig. 2 is the lifting positive elevational schematic view of trolley；
Fig. 3 is trolley walking mechanism transverse direction schematic diagram；
Fig. 4 is trolley walking mechanism longitudinal direction schematic diagram；
Fig. 5 is that prefabricated board lifts floor map；
In figure, 1. column, 2. truss stringer, 3. wirerope, 4. chord member, 5. hanging piece, 6. prefabricated bridge, 7. trolley row
Walk 13. side plate 14. of mechanism 8. gooseneck, 9. steel stringer, 10. first crossbeam, 11. second cross beam, 12. connecting plate
The 4th crossbeam of 17. third crossbeam 18. of bearing 15. limit plate, 16. traveling wheel.
Specific embodiment
The content of present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment:
As depicted in figs. 1 and 2, a kind of easy prefabricated bridge lifts trolley, including column 1, crossbeam 10-11, truss stringer
2, wirerope 3, the vertically symmetrical formula of four columns 1 are distributed in two sides, and truss stringer 2 is separately fixed at every side by flange plate bolt
Two root posts 1 between, the both ends of the truss stringer 2 of every side are equipped with horizontal first crossbeam 10 and second cross beam 11, and first is horizontal
Beam 10 and second cross beam 11 are connect by flange plate bolt with truss stringer 2, and one end of the column 1 of every side is also fixed with chord member
4, chord member 4 is connect by flange plate bolt with column 1, and the third crossbeam 17 at two intervals is equipped between two adjacent chord members 4,
Third crossbeam 17 is equipped with the hanging piece 5 for hoisting prefabricated floorings；The both ends band rigging spiral organ of wirerope 3, wirerope 3
One end is separately fixed on the truss stringer 2 and chord member 4 of side, and the other end is fixed on 1 top of column；1 bottom of each column
Equipped with trolley walking mechanism 7, it is easy to lift trolley and walks on the steel stringer 9 in spanning, prefabricated bridge is sent to specified
Prefabricated bridge installation site.
The column 1 connect at the top of the two root posts 2 of side with chord member and is equipped with the 4th crossbeam 18, two root posts 1 and the
Four crossbeams 18 are fixedly connected by ring flange to be linked together.
The column 1, truss stringer 2, chord member 4, first crossbeam 10, second cross beam 11 and third crossbeam the 17, the 4th are horizontal
Beam 18 can use the steel pipe having a size of Φ 139.7mm；The diameter of wirerope 3 is Φ 12mm.
The truss stringer 2, is equipped with counterweight, and the weight of counterweight is determined according to the prefabricated bridge weight of required lifting
It is fixed, by the weight and balance position that strictly accurately calculate determining counterweight.
As shown in Figure 3 and Figure 4, the trolley walking mechanism 7, including connecting plate 12, side plate 13, bearing 14, traveling wheel
16, connecting plate 12 is fixed on 1 lower end of column by ring flange, and two blocks of side plates 13 are vertically symmetrical to be fixed on 12 lower section of connecting plate, row
It walks wheel 16 to be fixed on side plate 13 by bearing 14, traveling wheel 16 is walked on the steel stringer 9 of bridge, and steel stringer 9 is equipped with pair
Claim the limit plate 15 of setting, forms the walking trough of traveling wheel 16 between limit plate 15.
The limit plate 15 is limit angle steel.
The traveling wheel 16, the circle wheel that can use outer diameter for Φ 200mm, internal diameter is Φ 100mm, width is 120mm.
The trolley walking mechanism 7, the traveling wheel 16 in each trolley walking mechanism 7 are 2.
The hanging piece 5 is hoist, and hoist is 4, and 4 hoists are symmetrically arranged at two third crossbeams 17
On.
A kind of application method of easy prefabricated bridge lifting trolley, includes the following steps:
1) limit plate 15 is set on the steel stringer 9 of bridge, forms the walking trough of lifting trolley traveling wheel 16, in construction, steel
Stringer 9 is fixed on the rigid crossbeam 8 of bridge；Two angle steel specifically are fixed every 9 top surface of steel stringer, guarantee adjacent two steel
The spacing of wheel traveling-position is consistent with the horizontal spacing of trolley cast iron circle wheel on stringer 9；
2) 9 over-assemble of steel stringer at the construction field (site) lifts well trolley, checks that lifting each component of trolley is connected firmly, and can be in steel
Counterweight is arranged on truss stringer by calculating according to the weight of hoisting prefabricated floorings in normal walking on stringer 9；
3) as shown in figure 5, lifting trolley is moved to prefabricated bridge storage area, prefabricated bridge is hung over to the calabash of lifting trolley
Reed hangs on；
4) when prefabricated bridge weight is less than 10 tons, lifting trolley can be pushed to walk on the steel stringer in spanning by 4-6 people, it will
After prefabricated bridge is sent to designated mounting position, prefabricated bridge is unloaded, is stably placed at installation position by fixed lifting trolley
It sets；
5) it pushes lifting trolley to retreat to the storage area of prefabricated bridge, step 3)-step 4) is repeated, until adjacent two panels steel stringer
Between floorings rigging out；
6) lifting trolley is laterally moved into next column region to be installed, repeats step 1- step 5), until completing the bridge of full-bridge
Panel installation.
The lifting trolley of the present embodiment can do following adjustment at Specific construction scene:
1, lifting trolley respectively forms the material of component and model is both needed to determine by intensity and Stability Checking, and guarantee has enough
Safety coefficient；
It 2, can be by being kept in girder truss ballast (rod iron or steel plate) with balancing when the heavier-weight of hoisting prefabricated floorings
The stability of trolley；
3, in prefabricated bridge hoisting process, for the safety for guaranteeing worker, plank can be laid between adjacent steel stringer with advantageous
The walking and operation of worker, and should manually wear the safety protection facilities such as safety rope；
4, after trolley reaches designated position, steel boots can be inserted into, before and after traveling wheel to prevent trolley to be moved forward and backward；
5, it should all check whether wirerope has phenomena such as apparent fracture of wire, deformation, internal corrosion before lifting every time, it is above-mentioned when occurring
When security risk, reason should be searched and taken corrective action；
6, in hoisting process, hanging piece should simultaneously decline or rise prefabricated bridge, guarantee that prefabricated board does not tilt steadily；Prefabricated bridge
Panel should ensure that trolley slowly at the uniform velocity moves, prevent prefabricated bridge shaking amplitude excessive in trolley transportational process；Prefabricated bridge
Before panel decentralization process, lifting trolley should be accurately positioned according to installation site；Prefabricated bridge, can be artificial small in decentralization process
Amplitude adjusts its position, guarantees that it is accurate in place；
7, this lifting trolley, is only applicable to the bridge on flat slope or gentle slope, and longitudinal slope is more than that 1% bridge should not use.
Claims (7)
1. a kind of easy prefabricated bridge lifts trolley, which is characterized in that including column, crossbeam, truss stringer, wirerope,
The vertically symmetrical formula of four columns is distributed in two sides, truss stringer by flange plate bolt be separately fixed at every side two root posts it
Between, the both ends of the truss stringer of every side are equipped with horizontal first crossbeam and second cross beam, and one end of column 1 is also fixed with string
Bar is equipped with the third crossbeams at two intervals between two adjacent chord members, and third crossbeam, which is equipped with, is used for hoisting prefabricated floorings
Hanging piece；One end of wirerope is separately fixed on truss stringer and chord member, and the other end is fixed on column top；Each column
Bottom is equipped with trolley walking mechanism.
2. a kind of easy prefabricated bridge according to claim 1 lifts trolley, which is characterized in that the column,
It is connect with chord member at the top of the two root posts of side and is equipped with the 4th crossbeam.
3. a kind of easy prefabricated bridge according to claim 1 lifts trolley, which is characterized in that the truss is vertical
Beam is equipped with counterweight.
4. a kind of easy prefabricated bridge according to claim 1 lifts trolley, which is characterized in that the trolley row
Mechanism, including connecting plate, side plate, bearing, traveling wheel are walked, connecting plate is fixed on column lower end, two pieces of vertically symmetrical fixations of side plate
Below connecting plate, traveling wheel is fixed on side plate by bearing, and traveling wheel is walked on the steel stringer of bridge, is set on steel stringer
There is symmetrically arranged limit plate, forms the walking trough of traveling wheel between limit plate.
5. a kind of easy prefabricated bridge according to claim 1 lifts trolley, which is characterized in that the trolley row
Mechanism is walked, the traveling wheel in each trolley walking mechanism is 2.
6. a kind of easy prefabricated bridge according to claim 1 lifts trolley, which is characterized in that the hanging piece is
Hoist, hoist are 4, and 4 hoists are symmetrically arranged on two third crossbeams.
7. a kind of application method of easy prefabricated bridge lifting trolley, which comprises the steps of:
1) limit plate is set on steel stringer, forms the walking trough of lifting trolley traveling wheel；
2) trolley is lifted well in steel stringer over-assemble, check that lifting each component of trolley is connected firmly, and can be normal on steel stringer
Counterweight is arranged on truss stringer by calculating according to the weight of hoisting prefabricated floorings in walking；
3) lifting trolley is moved to prefabricated bridge storage area, on the hanging piece that prefabricated bridge is hung over to lifting trolley；
4) lifting trolley is pushed to walk on the steel stringer in spanning, it is fixed after prefabricated bridge is sent to designated mounting position
Trolley is lifted, prefabricated bridge is unloaded, installation site is stably placed at；
5) it pushes lifting trolley to retreat to the storage area of prefabricated bridge, step 3)-step 4) is repeated, until adjacent two panels steel stringer
Between floorings rigging out；
6) lifting trolley is laterally moved into next column region to be installed, repeats step 1- step 5), until completing the bridge of full-bridge
Panel installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596478.8A CN110158485A (en) | 2019-07-03 | 2019-07-03 | A kind of easy prefabricated bridge lifting trolley and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596478.8A CN110158485A (en) | 2019-07-03 | 2019-07-03 | A kind of easy prefabricated bridge lifting trolley and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110158485A true CN110158485A (en) | 2019-08-23 |
Family
ID=67637849
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910596478.8A Pending CN110158485A (en) | 2019-07-03 | 2019-07-03 | A kind of easy prefabricated bridge lifting trolley and its application method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999649U (en) * | 2011-02-20 | 2011-10-05 | 刘永森 | Movable tower crane |
| CN104746432A (en) * | 2013-12-31 | 2015-07-01 | 广东省长大公路工程有限公司 | Carriageway slab transportation and installation vehicle capable of traveling on slab and beam |
| CN210288140U (en) * | 2019-07-03 | 2020-04-10 | 桂林电子科技大学 | Simple and easy prefabricated decking hoist and mount platform truck |
-
2019
- 2019-07-03 CN CN201910596478.8A patent/CN110158485A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999649U (en) * | 2011-02-20 | 2011-10-05 | 刘永森 | Movable tower crane |
| CN104746432A (en) * | 2013-12-31 | 2015-07-01 | 广东省长大公路工程有限公司 | Carriageway slab transportation and installation vehicle capable of traveling on slab and beam |
| CN210288140U (en) * | 2019-07-03 | 2020-04-10 | 桂林电子科技大学 | Simple and easy prefabricated decking hoist and mount platform truck |
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