CN210597056U - Movable cantilever track gantry device in steel web installation - Google Patents
Movable cantilever track gantry device in steel web installation Download PDFInfo
- Publication number
- CN210597056U CN210597056U CN201921007386.3U CN201921007386U CN210597056U CN 210597056 U CN210597056 U CN 210597056U CN 201921007386 U CN201921007386 U CN 201921007386U CN 210597056 U CN210597056 U CN 210597056U
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- gantry
- bridge
- track
- steel web
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a portable cantilever track longmen device in steel web installation, including the pontic, bridge roof and bridge bottom plate, a plurality of steel webs of fixedly connected with in bridge roof and the bridge bottom plate, be connected with the longmen track on the bridge roof, one side that the pontic was kept away from to the longmen track is provided with the portal frame, one side that the portal frame was kept away from to the longmen track is connected with the orbital strutting arrangement of fixed stay longmen. The electric flat transport vehicle and the self-made portal frame customized in the utility model have simple structure and convenient manufacture, the portal track realizes the longitudinal movement of the steel web plate, and the electric hoist track realizes the turnover of the steel web plate while realizing the transverse movement; by separating the transportation and installation systems, the cantilever track gantry can synchronously move along with the hanging basket conveniently and practically without large-scale installation equipment, so that the cost is effectively reduced; the difficulty of installing the steel web in the steel web girder bridge constructed by the asynchronous method is well solved; the channel is not affected.
Description
Technical Field
The utility model relates to a gantry crane technical field especially relates to a portable cantilever track gantry crane device in steel web installation.
Background
The cantilever assembling method is a construction method that hangers are arranged on two sides of a bridge pier, prefabricated parts of a cement concrete beam body are assembled to midspan cantilevers section by section in a balanced mode, and prestress is applied section by section. The cantilever assembling construction comprises prefabrication, transportation, assembly and closure of block pieces, and a steel web plate is usually installed by using a cantilever method in the common bridge construction.
However, for the installation method of the heavy tower crane in the prior art, the heavy tower crane needs special design construction due to higher cost, and the special hanging basket for beam top standing transportation cooperation must be a special hanging basket, and if the traditional cantilever construction method is adopted, the defect that the process time is long is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a movable cantilever track gantry device in the installation of a steel web.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the movable cantilever track gantry device comprises a bridge body, a plurality of bridge top plates and a plurality of bridge bottom plates, wherein the bridge top plates and the bridge bottom plates are fixedly connected with a plurality of steel webs, a gantry track is connected onto the bridge top plates, one side, away from the bridge body, of the gantry track is provided with a gantry frame, and one side, away from the gantry frame, of the gantry track is connected with a supporting device for fixedly supporting the gantry track.
Preferably, the portal frame is provided with two lifting points, each lifting point is fixedly connected with an electric hoist below through a steel rope, the connecting part between the supporting rods on the two sides of the portal frame and the top frame is of an I-shaped structure, and the bottom of the portal frame is fixedly connected with a fixing table through the I-shaped structure.
Preferably, the supporting device comprises a fixing rod, the fixing rod is welded at the bottom of one side, away from the portal frame, of the gantry track, the bottom of the fixing rod is rotatably connected with a roller through a rotating shaft, and the bottom of one side, close to the bridge roof, away from the bridge body of the gantry track is connected with the fixing plate through an I-shaped structure.
Preferably, the lower position of fixed plate is located two adjacent steel web fixedly connected with reinforcing plates, the welding has the slide rail on the reinforcing plate, a plurality of through-holes have been seted up to the lateral wall of slide rail, two through-hole in through-hole respectively fixedly connected with one free bearing, two the free bearing welds respectively in the bottom at fixed plate both ends, is close to fixedly connected with oil top on the free bearing of one side of portal frame, fixedly connected with oil top seat in the through-hole of slide rail.
Preferably, a flat car is arranged on the bridge roof plate, the car body part of the flat car is rotationally connected through a pin shaft by two connecting plates, and an annular square frame structure is arranged on the flat car.
Preferably, the gantry track and the bridge roof are fixedly connected with a plurality of suspenders, one side of the gantry far away from the bridge body is cantilever-arranged, and the bridge roof is fixedly connected with an external steel trestle construction platform.
Compared with the prior art, the utility model has the advantages of:
1. the electric flat transport vehicle and the self-made portal frame customized in the utility model have simple structure and convenient manufacture, the portal track realizes the longitudinal movement of the steel web plate, and the electric hoist track realizes the turnover of the steel web plate while realizing the transverse movement; through the separation of transportation and installation system, the cantilever track longmen is convenient and practical along with hanging basket synchronous movement.
2. The novel middle steel web plate is clear and definite in stress in the installation process and high in reliability; large-scale installation equipment is not needed, and the cost is effectively reduced; the difficult problem of steel web installation in the asynchronous construction steel web girder bridge is solved well and the channel is not influenced.
Drawings
Fig. 1 is a schematic view of a mobile cantilever rail gantry apparatus in steel web installation according to the present invention;
fig. 2 is a top view of a mobile cantilever track gantry apparatus in steel web installation according to the present invention;
fig. 3 is a schematic view of a gantry in a mobile cantilever rail gantry apparatus for steel web installation according to the present invention;
fig. 4 is an enlarged schematic view of a part B of the movable cantilever rail gantry apparatus for steel web installation according to the present invention.
In the figure: the device comprises a bridge body 1, a bridge top plate 2, a bridge bottom plate 3, a steel web plate 4, a gantry rail 5, a gantry frame 6, an electric hoist 7, a suspender 8, a roller 9, a flat car 10, a slide rail 11, a fixing plate 12, a hinged support 13, a fixing platform 14, an oil top 15 and an oil top base 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples
Referring to fig. 1-4, a movable cantilever track gantry device in steel web installation comprises a bridge body 1, a plurality of bridge top plates 2 and a plurality of bridge bottom plates 3, wherein the bridge top plates 2 and the bridge bottom plates 3 are fixedly connected with a plurality of steel web plates 4, the bridge top plates 2 are connected with gantry tracks 5, one sides, far away from the bridge body 1, of the gantry tracks 5 are provided with gantry frames 6, and one sides, far away from the gantry frames 6, of the gantry tracks 5 are connected with supporting devices for fixedly supporting the gantry tracks 5.
Be provided with two hoisting points on the portal frame 6, every hoisting point below is through steel cable fixedly connected with electric block 7, and the junction between the both sides branch of portal frame 6 and the roof-rack sets up to I-shaped structure, and the portal frame 6 bottom is through I-shaped structure fixedly connected with fixed station 14, can be so that portal frame 6 is stable fixed through the I-shaped structure, strengthens the intensity of portal frame 6 itself simultaneously.
The supporting device comprises a fixed rod, the fixed rod is welded at the bottom of one side of the gantry track 5 far away from the gantry frame 6, the bottom of the fixed rod is rotatably connected with a roller 9 through a rotating shaft, the bottom of one side of the gantry track 5 close to the bridge roof 2 far away from the bridge body is connected with a fixed plate 12 through an I-shaped structure, a reinforcing plate is fixedly connected in two adjacent steel web plates 4 below the fixed plate 12, a slide rail 11 is welded on the reinforcing plate, a plurality of through holes are formed in the side wall of the slide rail 11, a hinged support 13 is respectively fixedly connected in the two through holes through threads, the two hinged supports 13 are respectively welded at the bottoms of two ends of the fixed plate 12, an oil top 15 is fixedly connected on the hinged support 13 close to one side of the gantry frame 6, an oil top support 16 is fixedly connected in the through holes of the slide rail 11, the positioning of the oil top support 16 on the slide rail, so that when the machining of one section of the steel web 4 is completed, the next section of fixing preparation can be made.
Be provided with flatbed 10 on bridge deck 2, the automobile body part of flatbed 10 is connected through the round pin axle rotation by two even boards, is provided with annular square frame structure on the flatbed, a plurality of jibs 8 of longmen track 5 and 2 fixedly connected with of bridge deck, one side cantilever setting of pontic 1 is kept away from to portal frame 6, bridge deck 2 is connected fixedly with external steel trestle construction platform, can transport steel web 4 and go up the operation of carrying on flatbed 10 through steel trestle construction platform.
The utility model discloses in, adopt the flatbed 10 transportation and the track cantilever longmen hoist and mount scheme of customization motor, longmen track 5 is installed to N +1 festival section, is in the cantilever state, and dead lever and gyro wheel 9 on the longmen track 5 are fixed on the gallows of N festival section, anchor point after N-2 festival section sets up. After the N-1 sections of bridge top plates 2 and the N sections of bridge bottom plates 3 are poured by adopting an asynchronous method, the installation of the N +1 sections of steel webs 4 is carried out. And hoisting the steel web 4 to a flat car 10 on an external steel trestle construction platform, and transporting the steel web 4 to the N-2 sections through the flat car 10. The steel web 4 is lifted by two electric hoists 7 on the portal frame 6, the flat car 10 is evacuated, the steel web 4 is in a horizontal state at the moment, the portal frame is opened to the N +1 section and then is stopped stably, and the steel web 4 is turned over by moving down one hoisting point of the double hoisting points and approaching the two electric hoists 7. After the body is turned over, the steel web 4 is in a single-hanging-point vertical state, and the steel web 4 is installed in a position after the electric hoist 7 on the hanging point moves to a designed position on the gantry rail 5. The left and right sides is installed earlier to same festival section, and steel web 4 in the middle of the back installation, after the installation finishes, through being connected of contact free bearing 13 and bolt to open the 15 switches on oil top and make gantry rail 5 move forward, then fixed portal frame 6, then can carry out the construction of N +2 section steel web 4, better solution the difficult problem of steel web 4 installation in the steel web girder bridge of asynchronous method construction.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The movable cantilever track gantry device comprises a bridge body (1), a plurality of bridge top plates (2) and a plurality of bridge bottom plates (3), and is characterized in that the bridge top plates (2) and the bridge bottom plates (3) are fixedly connected with a plurality of steel web plates (4), a gantry track (5) is connected onto the bridge top plates (2), a gantry frame (6) is arranged on one side, far away from the bridge body (1), of the gantry track (5), and a supporting device for fixedly supporting the gantry track (5) is connected to one side, far away from the gantry frame (6), of the gantry track (5).
2. The movable cantilever rail gantry device for steel web installation according to claim 1, wherein two lifting points are arranged on the gantry (6), an electric hoist (7) is fixedly connected below each lifting point through a steel rope, the connection part between the supporting rod at two sides of the gantry (6) and the top frame is arranged to be an I-shaped structure, and a fixed table (14) is fixedly connected to the bottom of the gantry (6) through the I-shaped structure.
3. The gantry device with the movable cantilever rails in steel web installation is characterized in that the supporting device comprises a fixed rod, the fixed rod is welded at the bottom of one side, away from the gantry frame (6), of the gantry rail (5), the bottom of the fixed rod is rotatably connected with a roller (9) through a rotating shaft, and the bottom of one side, close to the bridge top plate (2) away from the bridge body, of the gantry rail (5) is connected with a fixed plate (12) through an I-shaped structure.
4. The movable cantilever rail gantry device for steel web installation according to claim 3, wherein a reinforcing plate is fixedly connected in two adjacent steel webs (4) below the fixed plate (12), a slide rail (11) is welded on the reinforcing plate, a plurality of through holes are formed in the side wall of the slide rail (11), a hinged support (13) is respectively and fixedly connected in the two through holes through threads, the two hinged supports (13) are respectively welded at the bottoms of the two ends of the fixed plate (12), an oil top (15) is fixedly connected on the hinged support (13) close to one side of the gantry (6), and an oil top support (16) is fixedly connected in the through hole of the slide rail (11).
5. A mobile cantilever rail gantry device in steel web installation, according to claim 1, wherein the bridge top plate (2) is provided with a flat car (10), the body part of the flat car (10) is rotatably connected by two connecting plates through a pin shaft, and the flat car is provided with an annular square frame structure.
6. The movable cantilever rail gantry device in steel web installation of claim 1, wherein a plurality of suspenders (8) are fixedly connected to the gantry rail (5) and the bridge roof (2), the gantry (6) is arranged in a cantilever manner at a side far away from the bridge body (1), and the bridge roof (2) is fixedly connected with an external steel trestle construction platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007386.3U CN210597056U (en) | 2019-07-01 | 2019-07-01 | Movable cantilever track gantry device in steel web installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007386.3U CN210597056U (en) | 2019-07-01 | 2019-07-01 | Movable cantilever track gantry device in steel web installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210597056U true CN210597056U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921007386.3U Expired - Fee Related CN210597056U (en) | 2019-07-01 | 2019-07-01 | Movable cantilever track gantry device in steel web installation |
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| Country | Link |
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| CN (1) | CN210597056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910525A (en) * | 2020-08-19 | 2020-11-10 | 中交路桥建设有限公司 | Steel trestle |
-
2019
- 2019-07-01 CN CN201921007386.3U patent/CN210597056U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910525A (en) * | 2020-08-19 | 2020-11-10 | 中交路桥建设有限公司 | Steel trestle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |