CN214989824U - Landing leg rotary type orbital transfer gantry crane - Google Patents
Landing leg rotary type orbital transfer gantry crane Download PDFInfo
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- CN214989824U CN214989824U CN202121658257.8U CN202121658257U CN214989824U CN 214989824 U CN214989824 U CN 214989824U CN 202121658257 U CN202121658257 U CN 202121658257U CN 214989824 U CN214989824 U CN 214989824U
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Abstract
The utility model provides a landing leg rotation type becomes rail gantry crane, the landing leg is rotatable and can walk on moving die carrier and pour the case roof beam simultaneously. A landing leg rotary type orbital transfer gantry crane comprises a main beam, a cross beam and landing legs, wherein the landing legs are connected below the main beam and are connected with the main beam through the cross beam, the top of the main beam is connected with a lifting winch, and the landing leg rotary type orbital transfer gantry crane further comprises an outer side travelling mechanism, an inner side travelling mechanism and a rotating mechanism; the supporting legs are flexible supporting legs, and the lower parts of the supporting legs are provided with rotating supporting legs; the outer side travelling mechanism is arranged at the bottom of the supporting leg; the inner side travelling mechanism is arranged at the bottom of the rotating support leg; and the rotating mechanism is arranged at the lower part of the supporting leg and can drive the rotating supporting leg to rotate.
Description
Technical Field
The utility model relates to a gantry crane, concretely relates to landing leg rotation type becomes rail gantry crane belongs to bridge construction equipment technical field.
Background
The movable formwork is a construction machine with a formwork, and a bearing platform or a pier column is used as a support to pour the bridge in situ. In view of the characteristics of the existing cast-in-place engineering, the construction steps of the movable formwork are as follows: assembling → in place → assembling → binding reinforcing steel bar → installing internal mold binding upper reinforcing steel bar → pouring. The traditional movable formwork matched orbital transfer gantry crane can walk on the movable formwork and the box girder at the same time, the hoisting weight is limited, and meanwhile, the integral steel reinforcement framework cannot be hoisted due to the limited space.
Concrete placement and reinforcement cage ligature can only go on in proper order among the moving die carrier construction among the prior art, can't go on in step, just so cause some workman's nest worker, can't form the line production simultaneously.
In order to realize the simultaneous construction of concrete pouring and reinforcement cage binding in the construction of a movable formwork, a novel integral hoisting method for a cast-in-place box girder reinforcement cage is designed, and the concrete steps are that the reinforcement cage is bound on a poured box girder; through becoming rail gantry crane, transport skeleton to the removal formwork template in, become rail skeleton inboard leg because the limited reason in space, when skeleton of steel is transferred to the template, can conflict with skeleton of steel, as shown in figure 1.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a landing leg rotation type becomes rail portal crane, the landing leg is rotatable and can walk on moving die carrier and pour the case roof beam simultaneously.
In order to achieve the above purpose, the utility model adopts the following scheme:
a landing leg rotary type orbital transfer gantry crane comprises a main beam, a cross beam and landing legs, wherein the landing legs are connected below the main beam and are connected with the main beam through the cross beam, the top of the main beam is connected with a lifting winch, and the landing leg rotary type orbital transfer gantry crane further comprises an outer side travelling mechanism, an inner side travelling mechanism and a rotating mechanism;
the supporting legs are flexible supporting legs, and the lower parts of the supporting legs are provided with rotating supporting legs;
the outer side travelling mechanism is arranged at the bottom of the supporting leg;
the inner side travelling mechanism is arranged at the bottom of the rotating support leg;
and the rotating mechanism is arranged at the lower part of the supporting leg and can drive the rotating supporting leg to rotate.
According to the preferred scheme of the landing leg rotary type orbital transfer gantry crane, the rotary mechanism comprises a rotary motor, a rotary support and a rotary seat, the rotary motor is arranged on the rotary seat, an outer rotary support ring is arranged on the rotary landing leg, an inner rotary support ring is arranged on the landing leg through a high-strength bolt, and a gear transmission assembly is arranged between the rotary motor and the rotary support.
According to the optimal scheme of the support leg rotary type orbital transfer gantry crane, the outer side travelling mechanism comprises an outer side travelling motor, an outer side travelling guide rail and an outer side travelling wheel matched with the outer side travelling guide rail, and the outer side travelling motor drives the outer side travelling wheel to move along the outer side travelling guide rail.
According to the preferred scheme of the support leg rotary type orbital transfer gantry crane, the inner side travelling mechanism comprises an inner side travelling motor, an inner side travelling guide rail and an inner side travelling wheel matched with the inner side travelling guide rail, and the inner side travelling motor drives the inner side travelling wheel to move along the inner side travelling guide rail.
According to the preferred scheme of the landing leg rotary type orbital transfer gantry crane, the main beam is of a double-truss structure formed by assembling and welding profile steels.
In the preferred scheme of the landing leg rotary type orbital transfer gantry crane, the landing legs are seamless thick-wall steel tubes.
The supporting leg rotary type orbital transfer gantry crane has the advantages that in the preferable scheme, structural forms of section steel assembly welding are adopted by the rotary supporting legs.
The working principle of the utility model is as follows:
the walking mechanism uses double walking mechanisms, the walking mechanism at the outer side can walk on the movable die frame, and the walking mechanism at the inner side can walk on the box girder 9 and can rotate by 90 degrees. The inner and outer running mechanisms can run synchronously or step by step. When the movable formwork runs on the movable formwork track, the running mechanism on the outer side runs. When the movable formwork runs to the overlapped part of the movable formwork track and the box girder track, the travelling mechanisms on the inner side and the outer side run simultaneously. When the portal crane transfers the steel bar, the prestressed tendon and the internal mold, the internal walking mechanism is rotated by 90 degrees, and the steel bar, the prestressed tendon and the internal mold are hoisted in place.
The utility model has the advantages that:
the utility model shortens the construction period of the movable mould frame, and synchronously carries out the processes of longitudinally moving the movable mould frame in place, pouring and binding the reinforcing steel bars, the prestressed tendons and assembling the internal mould, thereby on one hand, the manual operation is more convenient, and the physical labor amount of constructors is reduced; on the other hand, financial resources are saved, and high hoisting cost is reduced. The crane can freely convert between the movable formwork track and the box girder track. Meanwhile, the rotary supporting legs increase the convenience of construction, so that integral hoisting can be realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of collision between an inside leg and a steel reinforcement framework of a track-changing gantry crane in the prior art.
Fig. 2 is the schematic view of the operation of the box girder rail according to the embodiment of the present invention.
Fig. 3 is the embodiment of the utility model discloses the embodiment is joined in marriage at case roof beam orbital motion main view schematic diagram with the moving die carrier.
Fig. 4 is the embodiment of the utility model discloses the side view schematic diagram of case roof beam orbiting is joined in marriage with the moving die carrier.
FIG. 5 is a schematic front view of a step.
FIG. 6 is a schematic front view of the second step.
FIG. 7 is a schematic front view of the step three.
FIG. 8 is a schematic front view of the fourth step.
FIG. 9 is a schematic front view of the fifth step.
FIG. 10 is a schematic front view of the sixth step.
Fig. 11 is a schematic view of a rotating leg according to an embodiment of the present invention.
Fig. 12 is a schematic view of the rotating leg according to the embodiment of the present invention after rotating.
Fig. 13 is a schematic view of a slewing bearing according to an embodiment of the present invention.
1-lifting winch, 2-main beam, 3-cross beam, 4-supporting leg, 5-rotating supporting leg, 6-outer side traveling mechanism, 7-inner side traveling mechanism, 8-inner side traveling guide rail, 9-box beam, 10-inner side traveling motor, 11-outer side traveling motor, 12-outer side traveling guide rail, 13-outer side traveling mechanism guide rail supporting truss, 14-moving die carrier system, 15-rotating motor, 16-rotating support and 17-rotating seat.
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. 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.
Referring to fig. 2, 3 and 4, the landing leg rotary type orbital transfer gantry crane comprises a main beam 2, a cross beam 3 and landing legs 4, wherein the landing legs 4 are connected below the main beam 2 and are connected with the main beam 2 through the cross beam 3, the top of the main beam 2 is connected with a lifting winch 1, and the landing leg rotary type orbital transfer gantry crane further comprises an outer side travelling mechanism 6, an inner side travelling mechanism 7 and a rotating mechanism;
the supporting legs 4 are flexible supporting legs, and the lower parts of the supporting legs 4 are provided with rotating supporting legs 5;
the outer side travelling mechanism 6 is arranged at the bottom of the supporting leg 4;
the inner side travelling mechanism 7 is arranged at the bottom of the rotating supporting leg 5;
and a rotating mechanism which is arranged at the lower part of the support leg and can drive the rotating support leg 5 to rotate.
Referring to fig. 11, 12 and 13, the rotating mechanism includes a rotating motor 15, a rotating support 16 and a rotating base 17, the rotating motor 15 is disposed on the rotating base 17, an outer ring of the rotating support 16 is disposed on the rotating support leg, an inner ring of the rotating support 16 is disposed on the support leg 4 through a high-strength bolt, and a gear transmission assembly is disposed between the rotating motor 15 and the rotating support 16.
Referring to fig. 3, the outer traveling mechanism 6 includes an outer traveling motor 11, an outer traveling guide rail 12, and an outer traveling wheel engaged with the outer traveling guide rail 12, and the outer traveling motor 11 drives the outer traveling wheel to move along the outer traveling guide rail 12.
Referring to fig. 2, the inner side traveling mechanism 7 includes an inner side traveling motor 10, an inner side traveling guide rail 8, and an inner side traveling wheel engaged with the inner side traveling guide rail 8, and the inner side traveling motor 10 drives the inner side traveling wheel to move along the inner side traveling guide rail 8.
In this embodiment, the main beam 2 is a double-truss structure formed by assembling and welding profile steels.
In this embodiment, the leg 4 is a seamless thick-walled steel pipe. The structural form of the section steel assembly welding adopted by the rotating supporting leg 5.
The working process using this embodiment is as follows:
step one, a portal crane lifts a steel reinforcement framework on a poured box girder, as shown in figure 5;
secondly, erecting an outer travelling mechanism guide rail supporting truss 13, arranging an outer travelling guide rail 12 on the outer travelling mechanism guide rail supporting truss 13, transporting the steel reinforcement framework to the position above a movable formwork system 14 by using a portal crane, and converting the travelling of the portal crane from the inner travelling to the outer travelling, as shown in fig. 6;
thirdly, the portal crane transports the steel reinforcement framework to the pouring position of the box girder 9, and the rotating mechanism drives the rotating support legs 5 to rotate 90 degrees, as shown in fig. 7;
step four, the steel reinforcement framework is placed into the formwork of the movable formwork system 14 by the portal crane, and the step is shown in fig. 8;
step five, the connection between the hoisting frame and the steel reinforcement framework is released, and the hoisting frame returns to the position above the poured box girder 9 and is used for hoisting the inner mold and the steel reinforcement, as shown in fig. 9;
and step six, pouring concrete into the box girder, and completing one cycle, as shown in fig. 10.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a landing leg rotation type orbital transfer gantry crane, includes girder (2), cross-linked beam (3) and landing leg (4), and landing leg (4) are connected in girder (2) below, and connect through cross-linked beam (3) and girder (2), and hoist engine (1), its characterized in that are connected at girder (2) top: the device also comprises an outer side travelling mechanism (6), an inner side travelling mechanism (7) and a rotating mechanism;
the supporting legs (4) are flexible supporting legs, and the lower parts of the supporting legs (4) are provided with rotating supporting legs (5);
the outer side travelling mechanism (6) is arranged at the bottom of the supporting leg (4);
the inner side travelling mechanism (7) is arranged at the bottom of the rotating supporting leg (5);
and the rotating mechanism is arranged at the lower part of the supporting leg and can drive the rotating supporting leg (5) to rotate.
2. The leg rotating orbital transfer gantry crane of claim 1, wherein: the rotating mechanism comprises a rotating motor (15), a rotating support (16) and a rotating seat (17), the rotating motor (15) is arranged on the rotating seat (17), the outer ring of the rotating support (16) is arranged on the rotating support leg, the inner ring of the rotating support (16) is arranged on the support leg (4) through a high-strength bolt, and a gear transmission assembly is arranged between the rotating motor (15) and the rotating support (16).
3. The leg rotating orbital transfer gantry crane of claim 1, wherein: the outer side travelling mechanism (6) comprises an outer side travelling motor (11), an outer side travelling guide rail (12) and an outer side travelling wheel matched with the outer side travelling guide rail (12), and the outer side travelling motor (11) drives the outer side travelling wheel to move along the outer side travelling guide rail (12).
4. The leg rotating orbital transfer gantry crane of claim 1, wherein: the inner side travelling mechanism (7) comprises an inner side travelling motor (10), an inner side travelling guide rail (8) and an inner side travelling wheel matched with the inner side travelling guide rail (8), and the inner side travelling motor (10) drives the inner side travelling wheel to move along the inner side travelling guide rail (8).
5. The leg rotating orbital transfer gantry crane of any one of claims 1 to 4, wherein: the main beam (2) is a double-truss structure formed by splicing and welding profile steels.
6. The leg rotating orbital transfer gantry crane of any one of claims 1 to 4, wherein: the supporting legs (4) are seamless thick-wall steel pipes.
7. The leg rotating orbital transfer gantry crane of any one of claims 1 to 4, wherein: the rotary supporting legs (5) adopt a structural form of assembling and welding profile steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658257.8U CN214989824U (en) | 2021-07-21 | 2021-07-21 | Landing leg rotary type orbital transfer gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658257.8U CN214989824U (en) | 2021-07-21 | 2021-07-21 | Landing leg rotary type orbital transfer gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214989824U true CN214989824U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121658257.8U Active CN214989824U (en) | 2021-07-21 | 2021-07-21 | Landing leg rotary type orbital transfer gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214989824U (en) |
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2021
- 2021-07-21 CN CN202121658257.8U patent/CN214989824U/en active Active
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