CN212050244U - Gantry crane system for mounting assembled bent cap - Google Patents
Gantry crane system for mounting assembled bent cap Download PDFInfo
- Publication number
- CN212050244U CN212050244U CN202020658950.4U CN202020658950U CN212050244U CN 212050244 U CN212050244 U CN 212050244U CN 202020658950 U CN202020658950 U CN 202020658950U CN 212050244 U CN212050244 U CN 212050244U
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- crane
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- gantry
- bent cap
- steel truss
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Abstract
The utility model discloses an assembly type gantry crane system for installing bent cap, which comprises two gantry crane devices arranged in the direction of crossing a line and a transverse bridge; the gantry crane system comprises two table type gantry cranes, a linkage device, a steel truss moving trolley, two pairs of top transverse moving steel trusses and a crown block; the portal crane is in pin joint with the linkage device by adopting a pin rod; the steel truss moving trolley on the top of the portal crane drives the top of the transversely moving steel truss to move through the movement of the steel truss moving trolley above the portal crane; the top transverse moving steel truss and the steel truss moving trolley are connected into a whole through bolts; crown blocks are respectively arranged above the two pairs of top transverse moving steel trusses; the prefabricated bent cap has the advantages that the application range is enlarged, the cost is reduced, the safety risk that the prefabricated bent cap rotates and moves in the installation process is reduced, the structure is reasonable, the construction efficiency is improved, the prefabricated bent cap can be recycled, the prefabricated bent cap is suitable for installation of different types of prefabricated bent caps, the installation speed of the prefabricated bent cap in the construction process is improved, and the investment of labor force is reduced.
Description
Technical Field
The utility model belongs to the technical field of the engineering construction, a bridge is assembled in prefabricated the assembling of assembled, concretely relates to assembled bent cap installation portal crane system.
Background
At present, the traditional construction method for the installation and construction of the prefabricated bent cap adopts crawler cranes for hoisting, the installation of the prefabricated bent cap needs two crawler cranes for synchronous hoisting, but the problem of the construction system is that: because the crawler crane occupies a large area, the foundation treatment range is wide, the prefabricated bent cap needs to be moved and rotated in the hoisting process in the construction process, the construction risk is high, two crawler cranes need to be installed simultaneously by adopting the crawler crane, and the installation precision is difficult to control because the two crawler cranes need to be operated by two persons and have poor synchronization effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled bent cap installation portal crane system, it is great to solve that prior art exists because crawler crane occupies the place, ground treatment range is wide to prefabricated bent cap needs to remove and rotate prefabricated bent cap in hoist and mount process in the work progress, the construction risk is higher, adopt crawler crane installation to need two crawler crane to go on simultaneously moreover, because two crawler crane need two people to operate, synchronous effect is relatively poor, cause the comparatively difficult problem of installation accuracy control.
The gantry crane system for mounting the assembled bent cap comprises two gantry cranes, wherein the two gantry cranes span the direction of a line transverse bridge and are arranged; the gantry crane system comprises two table type gantry cranes (1), a linkage device (2), a steel truss travelling trolley (3), two pairs of top transverse travelling steel trusses (4) and a crown block (5); the portal crane (1) is in pin joint with the linkage device (2) by adopting a pin rod; two sides of the portal crane (1) are both of a double-limb structure comprising two supporting legs, four wheels distributed in a single row are arranged below each supporting leg, and the wheels on the two sides are both synchronous driving wheels; the gantry crane (1) adopts a structure of double main beams and double trolleys (3), the trolleys (3) are of an upper layer structure and a lower layer structure, the trolleys (3) on the lower layer are provided with running mechanisms, and the trolleys (3) on the upper layer are provided with lifting and running mechanisms; the top of the double main beams of the portal crane (1) is provided with a rectangular steel rail, and the double main beams of the portal crane (1) are welded, so that the steel truss moving trolley (3) drives the top moving steel truss (4) to move transversely above the portal crane (1); the top transverse moving steel truss (4) and the steel truss moving trolley (3) are connected into a whole through bolts; rectangular steel rails are arranged above the two groups of top transverse moving steel trusses (4) respectively and welded with the transverse moving steel trusses (4), an overhead traveling crane (5) is arranged above the steel rails, the overhead traveling crane (5) is welded with a trolley (3) through a trolley frame, and the lifting and running mechanism of the trolley (3) realizes longitudinal movement and hoisting of the overhead traveling crane (5) on the moving steel trusses (4).
In the above aspect, the linkage (2) is preferably composed of a square steel structure.
It is also preferable that the square steel is a square steel pipe.
Preferably, the two ends of the square steel tube are provided with first lug plates, and the first lug plates are welded with the square steel tube along the axis; all be provided with the second otic placode on gantry crane (1), first otic placode with the second otic placode is connected through the round pin stick respectively.
It may also be preferred that a motor track is provided at the top of the double truss of the gantry crane (1), the motor is connected with the top lateral movement steel truss (4) by bolts, and the motor is mounted on the motor track.
The utility model discloses can reach following beneficial effect:
the utility model discloses an assembled bent cap installation portal crane system can solve that prior art exists because crawler crane occupies the place great, the ground treatment scope is wide, and prefabricated bent cap needs to remove and rotate prefabricated bent cap in the hoist and mount process in the work progress, the construction risk is higher, adopt crawler crane installation to need two crawler cranes to go on simultaneously moreover, because two crawler cranes need two people to operate, the synchronization effect is relatively poor, cause the problem of installation accuracy control comparatively difficult, it is through the longitudinal movement of the horizontal steel truss in top and the lateral shifting of overhead traveling crane, thereby be applicable to the bent cap installation of different angles, the application scope of this device has been improved, the cost is reduced; the safety risk of rotation and movement of the prefabricated capping beam in the installation process is reduced by combining two universal portal cranes; the prefabricated bent cap mounting structure is reasonable in structure, construction efficiency is improved, the prefabricated bent cap can be recycled, construction efficiency is improved, and the prefabricated bent cap can be suitable for mounting prefabricated bent caps of various different types, so that the mounting speed of the prefabricated bent cap in the construction process is greatly improved, and labor input is reduced.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural elevation view of an assembly type bent cap installation gantry crane system of the present invention;
FIG. 2 is a schematic structural side view of the gantry crane system with assembled bent caps;
fig. 3 is the utility model discloses a local enlarged structure facade sketch of steel truss travelling car and overhead traveling crane of assembled bent cap installation portal crane system.
Fig. 4 is the utility model discloses a steel truss travelling car's of assembled bent cap installation portal crane system local enlarged structure side sketch map.
Fig. 5 is the utility model discloses a local enlarged structure side schematic diagram of overhead traveling crane of assembled bent cap installation portal crane system.
Fig. 6 is a schematic structural elevation view of the use state of the gantry crane system with the assembled bent cap installed thereon;
fig. 7 is a schematic side view of the service condition of the gantry crane system with the assembled bent caps installed.
In the figure, 1 is a portal crane, 2 is a linkage device, 3 is a trolley, 4 is a top transverse moving steel truss, 5 is a crown block, and 6 is a cover beam.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
An assembled gantry crane system for installing a cover beam is disclosed, and referring to fig. 1, the gantry crane system comprises two gantry cranes, wherein the two gantry cranes are distributed in a direction crossing a line transverse bridge; referring to fig. 2, the gantry crane system includes two gantry cranes 1, a linkage 2, a steel truss traveling trolley 3, two pairs of top transverse traveling steel trusses 4 and a crown block 5; referring to fig. 4 to 5, the gantry crane 1 and the linkage 2 are pinned by using a pin rod; the two sides of the portal crane 1 are both of a double-limb structure comprising two supporting legs, four wheels are arranged below each supporting leg in a single-row distribution mode, and the wheels on the two sides are both synchronous driving wheels; the gantry crane 1 adopts a structure of double main beams and double trolleys 3, the trolleys 3 are of an upper layer structure and a lower layer structure, the trolleys 3 on the lower layer are provided with running mechanisms, and the trolleys 3 on the upper layer are provided with lifting and running mechanisms; rectangular steel rails are arranged at the tops of the double main beams of the portal crane 1 and are welded with the double main beams of the portal crane 1, so that the steel truss moving trolley 3 drives the top moving steel truss 4 to move transversely above the portal crane 1; the top transverse moving steel truss 4 and the steel truss moving trolley 3 are connected into a whole through bolts; rectangular steel rails are arranged above the two groups of top transverse moving steel trusses 4 respectively and are welded with the transverse moving steel trusses 4, overhead traveling cranes 5 are arranged above the steel rails, the overhead traveling cranes 5 are welded with the trolleys 3 through trolley frames, and the lifting and running mechanisms of the trolleys 3 realize longitudinal movement and hoisting of the overhead traveling cranes 5 on the moving steel trusses 4.
The construction method of the gantry crane system for installing the fabricated bent cap in the embodiment comprises the following steps:
firstly, sequentially installing portal cranes 1, firstly, laying portal crane track foundations on two sides of a line according to the width of a portal crane device, then assembling the portal crane device on the foundations, connecting a linkage device after the two portal crane devices are assembled, enabling the two portal crane devices to synchronously move, secondly, installing top transverse steel trusses 4 and steel truss travelling trolleys 3 of the portal crane device, and finally installing crown blocks 5 on the two pairs of top transverse travelling steel trusses 4;
and secondly, installing the bent cap 6, referring to fig. 6 and 7, firstly installing a bent cap transport vehicle at a preset position for parking, moving a gantry crane to the position above the bent cap 6, dropping a lifting hook, then synchronously lifting two crown blocks 5 to enable the prefabricated bent cap 6 to be integrally and stably lifted to the position above a pier stud, secondly, measuring personnel use a total station to measure the axis of the bent cap 6, and realizing alignment adjustment of the axis of the prefabricated bent cap 6 through left and right movement of the two crown blocks 5 at the top, and finally, stably lifting the bent cap 6 below after the axis meets requirements to complete installation of the whole prefabricated bent cap 6.
The gantry crane system is installed on the fabricated bent cap in the embodiment, the steel truss moving trolley 33 is arranged at the top of the gantry crane 1, and the steel truss moving trolley 33 moves above the gantry crane 1 to drive the top of the gantry crane to transversely move the steel truss 4; the top transverse moving steel truss 4 and the steel truss moving trolley 33 are connected into a whole through bolts; crown blocks 5 are respectively arranged above the two pairs of top transverse moving steel trusses 4. The lifting capacity of a single gantry crane 1 is 160t, the two sides of the gantry crane 1 are of a double-limb type, a single row of four wheels are arranged below each leg, the wheels on the two sides are synchronous driving wheels, and the two combined gantry cranes 1 share one set of operating system to ensure synchronization. Gantry crane 1 adopts two girders, two dollies 3, dolly 3 is upper and lower two-layer structure, lower floor's dolly 3 takes running gear, upper dolly 3 area plays to rise and running gear, the girder is truss structure, the landing leg is tubular structure, the bottom end rail is channel-section steel tailor-welded structure, upper dolly 3 puts up and welds the structure for the board, lower floor's dolly 3 puts up truss structure, no cantilever, 3 rated lifting loads of upper dolly are 160t, it is special lifting device to lift by crane the lifting load for 320t (interval 10m) load handling device. The top of the gantry crane is provided with a steel truss moving trolley 33, rectangular steel rails are arranged on the tops of the double main beams of the gantry crane 1 and are welded with the double main beams of the gantry crane 1, so that the steel truss moving trolley 33 drives the top moving steel truss 4 to move transversely above the gantry crane 1; the top transverse moving steel truss 4 and the steel truss moving trolley 33 are connected into a whole through bolts; rectangular steel rails are arranged above the two groups of top transverse moving steel trusses 4 respectively and are welded with the transverse moving steel trusses 4, an overhead traveling crane 5 is arranged above the steel rails, the overhead traveling crane 5 is welded with a trolley 3 through a trolley 3 frame, the trolley 3 is provided with a lifting and running mechanism, longitudinal movement and lifting hoisting of the overhead traveling crane 5 on the moving steel trusses 4 are achieved, and limitation is achieved according to the rectangular steel rails on the moving steel trusses 4.
Example 2
The gantry crane system for installing the fabricated bent cap in the embodiment 1 may further include a linkage 2 formed of a square steel structure. The square steel is a square steel pipe. The two ends of the square steel pipe are respectively provided with a first lug plate, and the first lug plates are welded with the square steel pipe along the axis; all be provided with the second otic placode on gantry crane 1, first otic placode with the second otic placode is connected through the round pin stick respectively. The top of the double-truss of the gantry crane 1 is provided with a motor track, the motor is connected with the top transverse movement steel truss 4 through bolts, and the motor is installed on the motor track.
The gantry crane system is installed on the fabricated bent cap of the embodiment, and the steel truss 4 transversely moved at the top is connected with the gantry crane 1 through a motor. A traveling track for the crown block 5 to move is arranged above the top transverse moving steel truss 4.
According to the gantry crane system for installing the fabricated bent cap, the square steel of the linkage device 2 can adopt the square steel tube with the side length of 10 multiplied by 10cm and the wall thickness of 1cm, the two ends of the square steel tube are respectively provided with the ear plates and are welded with the square steel tube along the axis, and the two gantry cranes 1 can synchronously move through the connection of the square steel tubes.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (5)
1. The gantry crane system for mounting the assembled bent cap comprises two gantry cranes, wherein the two gantry cranes are distributed in the direction of crossing a line transverse bridge; the gantry crane system is characterized by comprising two table type gantry cranes (1), a linkage device (2), a steel truss travelling bogie (3), two pairs of top transverse travelling steel trusses (4) and a crown block (5); the portal crane (1) is in pin joint with the linkage device (2) by adopting a pin rod; two sides of the portal crane (1) are both of a double-limb structure comprising two supporting legs, four wheels distributed in a single row are arranged below each supporting leg, and the wheels on the two sides are both synchronous driving wheels; the gantry crane (1) adopts a structure of double main beams and double trolleys (3), the trolleys (3) are of an upper layer structure and a lower layer structure, the trolleys (3) on the lower layer are provided with running mechanisms, and the trolleys (3) on the upper layer are provided with lifting and running mechanisms; the top of the double main beams of the portal crane (1) is provided with a rectangular steel rail, and the double main beams of the portal crane (1) are welded, so that the steel truss moving trolley (3) drives the top moving steel truss (4) to move transversely above the portal crane (1); the top transverse moving steel truss (4) and the steel truss moving trolley (3) are connected into a whole through bolts; rectangular steel rails are arranged above the two groups of top transverse moving steel trusses (4) respectively and welded with the transverse moving steel trusses (4), an overhead traveling crane (5) is arranged above the steel rails, the overhead traveling crane (5) is welded with a trolley (3) through a trolley frame, and the lifting and running mechanism of the trolley (3) realizes longitudinal movement and hoisting of the overhead traveling crane (5) on the moving steel trusses (4).
2. The fabricated capping beam mounted gantry system of claim 1, wherein the linkage (2) is comprised of a square steel structure.
3. The fabricated capping beam mounted gantry system of claim 2, wherein the square steel is a square steel tube.
4. The assembly type capping beam installation gantry crane system of claim 3, wherein both ends of the square steel tube are provided with first lug plates, and the first lug plates and the square steel tube are welded along an axis; all be provided with the second otic placode on gantry crane (1), first otic placode with the second otic placode is connected through the round pin stick respectively.
5. The fabricated cap beam installation gantry crane system of claim 4, wherein a motor track is provided on the top of the double truss of the gantry crane (1), the motor is connected with the top transverse moving steel truss (4) through a bolt, and the motor is installed on the motor track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658950.4U CN212050244U (en) | 2020-04-27 | 2020-04-27 | Gantry crane system for mounting assembled bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658950.4U CN212050244U (en) | 2020-04-27 | 2020-04-27 | Gantry crane system for mounting assembled bent cap |
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| Publication Number | Publication Date |
|---|---|
| CN212050244U true CN212050244U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020658950.4U Expired - Fee Related CN212050244U (en) | 2020-04-27 | 2020-04-27 | Gantry crane system for mounting assembled bent cap |
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| CN (1) | CN212050244U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900280A (en) * | 2021-02-02 | 2021-06-04 | 中铁四局集团第三建设有限公司 | Bridge prefabricated bent cap installation in-place construction method and construction structure |
| CN112938770A (en) * | 2021-03-23 | 2021-06-11 | 中铁二十局集团有限公司 | Gantry crane device |
| CN113307156A (en) * | 2021-04-22 | 2021-08-27 | 中国水利水电夹江水工机械有限公司 | Hoisting and transporting system and method for low space |
| CN114835013A (en) * | 2022-07-04 | 2022-08-02 | 四川东泉机械设备制造有限公司 | Small-lifting-distance crane for hoisting template and mold |
| CN117344636A (en) * | 2023-09-26 | 2024-01-05 | 广东省高速公路有限公司 | Pile-beam integrated construction method for tubular pile foundation construction and capping beam-beam plate assembly |
-
2020
- 2020-04-27 CN CN202020658950.4U patent/CN212050244U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900280A (en) * | 2021-02-02 | 2021-06-04 | 中铁四局集团第三建设有限公司 | Bridge prefabricated bent cap installation in-place construction method and construction structure |
| CN112938770A (en) * | 2021-03-23 | 2021-06-11 | 中铁二十局集团有限公司 | Gantry crane device |
| CN113307156A (en) * | 2021-04-22 | 2021-08-27 | 中国水利水电夹江水工机械有限公司 | Hoisting and transporting system and method for low space |
| CN114835013A (en) * | 2022-07-04 | 2022-08-02 | 四川东泉机械设备制造有限公司 | Small-lifting-distance crane for hoisting template and mold |
| CN114835013B (en) * | 2022-07-04 | 2022-09-16 | 四川东泉机械设备制造有限公司 | Small-lifting-distance crane for hoisting template and mold |
| CN117344636A (en) * | 2023-09-26 | 2024-01-05 | 广东省高速公路有限公司 | Pile-beam integrated construction method for tubular pile foundation construction and capping beam-beam plate assembly |
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Granted publication date: 20201201 Termination date: 20210427 |