CN211922299U - Construction equipment of prefabricated bridge - Google Patents
Construction equipment of prefabricated bridge Download PDFInfo
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- CN211922299U CN211922299U CN201922254757.4U CN201922254757U CN211922299U CN 211922299 U CN211922299 U CN 211922299U CN 201922254757 U CN201922254757 U CN 201922254757U CN 211922299 U CN211922299 U CN 211922299U
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Abstract
The utility model provides a construction equipment of prefabricated bridge belongs to bridge construction technical field. The construction device comprises an upper frame, an upper channel, a lower frame, a side frame, a sliding unit and a driving unit; the upper frame, the upper and lower channels, the lower frame and the side frames are sequentially connected to form a frame structure, and the shape of the frame structure is matched with the shape of the cross section of the prefabricated bridge; the sliding unit is arranged below the upper frame; the driving unit is connected with at least one of the upper frame, the upper and lower channels, the lower frame, the side frame and the sliding unit. This construction equipment installs on prefabricated bridge, does not receive the place restriction of bridge below to when crossing scenes such as river, crossing or current elevated section, can use this construction equipment to weld and spray paint the processing such as to the bottom of gap between the prefabricated bridge and prefabricated bridge. The construction device is simple and convenient to mount and dismount, the construction efficiency can be improved, the construction cost can be reduced, and the safety and the construction quality of personnel can be improved.
Description
Technical Field
The utility model relates to a bridge construction technical field, in particular to construction equipment of prefabricated bridge.
Background
The structural style of the conventional overhead prefabricated bridge is mostly a steel box girder or a small box girder structure, and when the width of the bridge is large, the bridge is longitudinally segmented when being prefabricated. When assembling the prefabricated bridges, the welding, paint spraying and other treatments need to be carried out on the gaps between the prefabricated bridges and the bottoms of the prefabricated bridges. The construction device commonly used at present hangs a scaffold and a climbing car in full, and the construction is carried out by erecting the scaffold hung in full and laying a hanging ring; or construction is performed by using a climbing vehicle.
However, the time for setting up the scaffold is long, and the danger of setting up and removing the scaffold is high, so that the road passing below the bridge is influenced; after the construction is finished, the hanging ring is difficult to cut, and the attractiveness and the effective passing clearance height of the bridge are affected. The use of the climbing vehicle can be limited by the site, and the road passing below the bridge can also be influenced. Particularly, when the construction device is used for crossing a river, a crossing or an existing elevated section and the like, the existing construction device cannot be well applied to the scenes for construction.
SUMMERY OF THE UTILITY MODEL
The utility model provides a construction equipment of prefabricated bridge to solve the suitable bridge that current construction equipment can not be better when striding scenes such as river, crossing or current elevated section, weld the technical problem of processing such as spraying paint to the bottom of gap between the prefabricated bridge and prefabricated bridge.
In order to solve the technical problem, the utility model provides a construction device for a prefabricated bridge, which comprises an upper frame, an upper channel, a lower frame, a side frame, a sliding unit and a driving unit;
the upper frame, the upper and lower channels, the lower frame and the side frames are sequentially connected to form a frame structure, and the shape of the frame structure is matched with the shape of the cross section of the prefabricated bridge;
the sliding unit is arranged below the upper frame;
the driving unit is connected with at least one of the upper frame, the upper and lower channels, the lower frame, the side frame and the sliding unit.
Optionally, construction equipment still includes the triangular supports that the symmetry set up, the triangular supports are located respectively the inboard top of upper and lower passageway with the inboard top of side frame, the top of triangular supports is provided with first pulley, first pulley with the bottom surface contact of precast bridge roof beam.
Optionally, the construction device further comprises a pull rod, and the pull rod is connected between the upper and lower channels and the lower frame, or between the side frame and the lower frame.
Optionally, the construction device further comprises a first roller, and the first roller is mounted below the lower frame.
Optionally, the upper frame, the upper and lower channels and the lower frame are all truss structures.
Optionally, the frame of getting off includes plane truss, side rail guard, steel mesh piece and asbestos cloth, the side rail guard is located the both sides of plane truss, the steel mesh piece is laid the top of plane truss, the asbestos cloth is laid the top of steel mesh piece.
Optionally, the sliding unit includes a running rail and a second roller, the running rail includes low-pad feet and high-pad feet, the low-pad feet are distributed above the precast bridge at intervals, top surfaces of the low-pad feet are on the same horizontal plane, and the high-pad feet are installed above the low-pad feet;
the second roller is arranged below the upper frame and is positioned between the upper frame and the high foot pad.
Optionally, the high bolster is an i-steel, and the i-steel is connected with the low bolster through a bolt.
Optionally, the drive unit includes electric capstan, storage battery and second pulley, electric capstan with the storage battery is installed go up on the frame, the second pulley is fixed the top of prefabricated bridge, electric capstan with the storage battery is connected, electric capstan includes wire rope, wire rope with the second pulley is connected.
Optionally, the number of the driving units is two, and the two driving units are respectively installed on the forward side and the backward side of the construction device.
The utility model provides a pair of construction equipment of prefabricated bridge installs on prefabricated bridge, does not receive the place restriction of bridge below to when crossing scenes such as river, crossing or current elevated section, can use this construction equipment to weld and spray paint the processing such as to the bottom of gap between the prefabricated bridge and prefabricated bridge. The construction device is simple and convenient to mount and dismount, the construction efficiency can be improved, and the construction cost can be reduced; constructors construct in the lower frame, and safety and construction quality of the constructors can be improved.
Drawings
Fig. 1 is an overall layout view of a construction apparatus for a precast bridge according to the present invention;
fig. 2 is a layout diagram of a driving track provided by the present invention;
fig. 3 is a layout diagram of a driving track provided by the present invention;
fig. 4 is a layout view of an upper frame and a driving unit provided by the present invention;
fig. 5 is a layout view of an upper frame and a driving unit provided by the present invention;
fig. 6 is a layout view of a lower frame provided by the present invention;
fig. 7 is a layout view of a triangular brace provided by the present invention.
[ reference numerals are described below ]:
1, mounting a frame; 2-upper and lower channels; 3-lower frame; 4-side frame; 5-a sliding unit; 6-a drive unit; 7-triangular supports; 8-a pull rod; 9-a track beam; 10-low foot pad; 11-high foot pad; 12-an electric capstan; 13-a battery jar; 14-a second pulley; 15-first pulley.
Detailed Description
In order to make the objects, advantages and features of the present invention clearer, the following description of the present invention provides a construction apparatus for a prefabricated bridge. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 1, the present invention provides a construction apparatus for a prefabricated bridge, which includes an upper frame 1, an upper and lower passage 2, a lower frame 3, a side frame 4, a sliding unit 5 and a driving unit 6; the upper frame 1, the upper and lower channels 2, the lower frame 3 and the side frames 4 are sequentially connected to form a frame structure, and the shape of the frame structure is matched with the shape of the cross section of the prefabricated bridge; the sliding unit 5 is installed below the upper frame 1; the driving unit 6 is connected with at least one of the upper frame 1, the upper and lower passage 2, the lower frame 3, the side frame 4 and the sliding unit 5. Wherein, the upper and lower channels 2 can be provided with escalators.
The utility model provides a pair of construction equipment of prefabricated bridge installs on prefabricated bridge, does not receive the place restriction of bridge below to when crossing scenes such as river, crossing or current elevated section, can use this construction equipment to weld and spray paint the processing such as to the bottom of gap between the prefabricated bridge and prefabricated bridge. The construction device is simple and convenient to mount and dismount, the construction efficiency can be improved, and the construction cost can be reduced; constructors construct in the lower frame 3, and safety and construction quality of the constructors can be improved.
Optionally, as shown in fig. 1, the construction apparatus further includes triangular supports 7 symmetrically disposed, the triangular supports 7 are respectively located above the inner sides of the upper and lower channels 2 and the inner sides of the side frames 4, a first pulley 15 is disposed above the triangular supports 7, and the first pulley 15 contacts with the bottom surface of the precast bridge. The support structure of the triangular support 7 is shown in fig. 7. When the construction apparatus moves on the bridge, the first pulley 15 may slide along the lower side of the bridge, thereby improving the stability of the construction apparatus.
Optionally, as shown in fig. 1, the construction apparatus further includes a pull rod 8, and the pull rod 8 is connected between the upper and lower passages 2 and the lower frame 3, or between the side frame 4 and the lower frame 3. By providing the tie bar 8, the stability of the construction apparatus can be enhanced.
Optionally, as shown in fig. 1, the construction apparatus further includes a first roller installed below the lower frame 3. The first idler wheels are arranged below the lower frame 3, so that the lower frame 3 can be pushed on the ground, and the lower frame 3 can be conveniently carried.
Optionally, the upper frame 1, the upper and lower channels 2 and the lower frame 3 are all truss structures. By using the truss structure, the bearing capacity of the construction device can be improved, and the safety of the construction device is improved.
Alternatively, as shown in fig. 1 and 6, the lower frame 3 includes a planar truss, side protective guards, a steel mesh sheet, and asbestos cloth, the side protective guards are located on both sides of the planar truss, the steel mesh sheet is laid above the planar truss, and the asbestos cloth is laid above the steel mesh sheet. Lay asbestos cloth and steel mesh and can receive the welding slag that drops when welding and the paint that drops when spraying paint, prevent that welding slag and paint from dropping to ground. The width of the lower frame 3 may be set according to a space required when two persons construct.
Optionally, as shown in fig. 1, 2 and 3, the sliding unit 5 includes a running rail and a second roller, the running rail includes low pads 10 and high pads 11, the low pads 10 are distributed above the prefabricated bridge at intervals, top surfaces of the low pads 10 are on the same horizontal plane, and the high pads 11 are installed above the low pads 10; the second roller is installed below the upper frame 1 and between the upper frame 1 and the high bolster 11. By providing the low foot pads 10, the high foot pads 11 can be positioned on the same horizontal plane, thereby enabling the construction apparatus to stably slide on the same horizontal plane. Wherein, the high foot rest 11 can be an I-steel, the low foot rest 10 can be a steel plate, and the I-steel and the low foot rest 10 can be connected through a bolt. The low foot rest 10 and the high foot rest 11 constitute a track beam 9.
Alternatively, as shown in fig. 1, the sliding unit 5 is installed at the middle position of the prefabricated bridge, and the bridge near the middle position has a relatively thick thickness and can bear relatively large pressure.
Optionally, as shown in fig. 1, 4 and 5, the driving unit 6 includes an electric winch 12, a battery 13 and a second pulley 14, the electric winch 12 and the battery are mounted on the upper frame 1, the second pulley 14 is fixed above the prefabricated bridge, the electric winch 12 is connected with the battery, the electric winch 12 includes a steel wire rope, and the steel wire rope is connected with the second pulley 14. The battery can drive the electric capstan 12 to rotate, and the second pulley 14 has the function of guiding.
Alternatively, as shown in fig. 5, the number of the driving units 6 is two, and the two driving units 6 are installed at the forward and backward sides of the construction apparatus, respectively. A driving unit 6 is installed at each of the forward and backward sides to move the construction apparatus back and forth, thereby performing construction at different positions.
The construction device of prefabricated bridge that above-mentioned provided can constitute through modular parts, and the part is installed after transporting to the job site, and the installation is referred as follows with the dismantlement process:
the first step is as follows: the low foot pads 10 and the high foot pads 11 are installed, namely the track beams 9, the two track beams 9 are erected on the upper surface of the prefabricated bridge, and the track beams 9 are located at the positions of the steel beam stiffening plates, so that the load of the whole construction device can be effectively borne.
The second step is that: the upper frame 1 is assembled, parts of the upper frame 1 are connected through bolts in a modularized mode, then a vehicle-mounted electric winch 12 and a storage battery 13 are installed, a hoisting machine is used for erecting the end side edge of a steel beam span of a bridge to be hoisted to a track beam 9, and the upper frame 1 is fixed to the upper end of the steel beam through fixing ropes on the front side and the rear side of the upper frame 1.
The third step: the combined system of the lower frame 3, the escalator and the side frame 4 is assembled, the bottom of the lower frame 3 is provided with the universal wheels, the combined system can be pushed to the position under the upper frame 1 after the assembly is finished, 4 electric hoists are used for lifting the whole lower frame 3 combined system to a state capable of being combined with the upper frame 1, and the electric hoists are detached after the bolt connection is finished.
The fourth step: after the construction device is used, the construction device is dismantled by a reverse construction method, the connection between the combined system of the lower frame 3 and the upper frame 1 is firstly dismantled, the combined system of the lower frame 3 is lowered to the ground by using an electric hoist, then the upper frame 1 and the track beam 9 are dismantled, and the use of the whole construction device is finished. The construction device can be recycled after being disassembled.
The device need set up the full-time personnel when using, uses this portable construction equipment of electric power according to the operation requirement strictly, still need set up warning and limit for height sign in the device side facade, notices the vehicle of coming and going.
To sum up, the utility model provides a pair of construction equipment of prefabricated bridge installs on prefabricated bridge, does not receive the place restriction of bridge below to when crossing scenes such as river, crossing or current elevated section, can use this construction equipment to weld and spray paint processing such as to the bottom of gap between the prefabricated bridge and prefabricated bridge. The construction device is simple and convenient to mount and dismount, the construction efficiency can be improved, and the construction cost can be reduced; constructors construct in the lower frame 3, and safety and construction quality of the constructors can be improved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the claims of the present invention.
Claims (10)
1. The construction device for the prefabricated bridge is characterized by comprising an upper frame, an upper channel, a lower frame, a side frame, a sliding unit and a driving unit;
the upper frame, the upper and lower channels, the lower frame and the side frames are sequentially connected to form a frame structure, and the shape of the frame structure is matched with the shape of the cross section of the prefabricated bridge;
the sliding unit is arranged below the upper frame;
the driving unit is connected with at least one of the upper frame, the upper and lower channels, the lower frame, the side frame and the sliding unit.
2. The precast bridge construction device according to claim 1, further comprising symmetrically arranged triangular supports, wherein the triangular supports are respectively located above the inner sides of the upper and lower passages and above the inner sides of the side frames, and first pulleys are arranged above the triangular supports and are in contact with the bottom surface of the precast bridge.
3. The precast bridge construction device according to claim 1, further comprising a tie bar connected between the upper and lower tunnels and the lower frame, or between the side frame and the lower frame.
4. The precast bridge construction device according to claim 1, further comprising a first roller installed below the lower frame.
5. The construction apparatus of a precast bridge girder according to any one of claims 1 to 4, wherein the upper frame, the upper and lower tunnels and the lower frame are all truss structures.
6. The construction device of a precast bridge according to claim 1, wherein the lower frame comprises a plane truss, side guard rails, a steel mesh sheet and asbestos cloth, the side guard rails are located at both sides of the plane truss, the steel mesh sheet is laid above the plane truss, and the asbestos cloth is laid above the steel mesh sheet.
7. The precast bridge construction device of claim 1, wherein the sliding unit comprises a travelling rail and a second roller, the travelling rail comprises low pads and high pads, the low pads are distributed at intervals above the precast bridge, the top surfaces of the low pads are on the same horizontal plane, and the high pads are mounted above the low pads;
the second roller is arranged below the upper frame and is positioned between the upper frame and the high foot pad.
8. The precast bridge girder construction device according to claim 7, wherein the high foot rest is an I-shaped steel, and the I-shaped steel is connected with the low foot rest through a bolt.
9. The precast bridge construction device according to claim 1, wherein the driving unit comprises an electric winch, a battery and a second pulley, the electric winch and the battery are mounted on the upper frame, the second pulley is fixed above the precast bridge, the electric winch is connected with the battery, the electric winch comprises a steel wire rope, and the steel wire rope is connected with the second pulley.
10. The precast bridge construction device according to claim 9, wherein the number of the driving units is two, and the two driving units are installed at a forward side and a backward side of the construction device, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254757.4U CN211922299U (en) | 2019-12-16 | 2019-12-16 | Construction equipment of prefabricated bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254757.4U CN211922299U (en) | 2019-12-16 | 2019-12-16 | Construction equipment of prefabricated bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211922299U true CN211922299U (en) | 2020-11-13 |
Family
ID=73323826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922254757.4U Active CN211922299U (en) | 2019-12-16 | 2019-12-16 | Construction equipment of prefabricated bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211922299U (en) |
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2019
- 2019-12-16 CN CN201922254757.4U patent/CN211922299U/en active Active
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