CN214495499U - Specially-made underframe for tower crane - Google Patents
Specially-made underframe for tower crane Download PDFInfo
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- CN214495499U CN214495499U CN202120507143.7U CN202120507143U CN214495499U CN 214495499 U CN214495499 U CN 214495499U CN 202120507143 U CN202120507143 U CN 202120507143U CN 214495499 U CN214495499 U CN 214495499U
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Abstract
The utility model discloses a special chassis for tower crane, which relates to the technical field of tower crane installation, and comprises a standard chassis, transition secondary beams and transition main beams, wherein the transition secondary beams and the transition main beams are arranged in parallel, the standard chassis is arranged above the two transition secondary beams, the two transition secondary beams are arranged above the two transition main beams, and the two transition secondary beams and the two transition main beams are distributed in a # -shaped manner; the transition main beam is used for being installed on a top plate of the ground warehouse, a connection fulcrum is formed at the connection position of the transition secondary beam and the transition main beam, and the connection fulcrum is located above a structural column in the ground warehouse. The utility model discloses on conducting tower machine foundation bottom atress to the built-in structure post in the ground storehouse, satisfy tower machine and building structure's whole safety.
Description
Technical Field
The utility model relates to a tower crane installs technical field, especially relates to a purpose-built chassis for tower crane.
Background
In recent years, the types of buildings with large frame core tubes and local steel structures are gradually increased, and the steel structure single bodies are very heavy, less buildings are dozens of tons, and more buildings are nearly hundred tons, so that the difficulty of hoisting operation in building construction is increased. Taking tower crane hoist and mount as an example, if the tower machine is arranged at the outer edge of a building structure, the turning radius of a large steel structure in the hoisting is considered to be far, so that the number of the tower machines can be increased, and the models of the tower machines can be increased. The conditions such as cost, equipment utilization rate and the like are comprehensively considered, and the positioning position of the large tower crane can be in the center of the integral structure of the building when a plurality of times. The tower crane can only be installed on the top plate of the ground warehouse.
If the tower crane is installed on the top plate of the building structure ground garage, the vertical bearing capacity of the top plate of the ground garage is weak, and the bearing capacity of the tower crane can not meet the requirement of tower crane base load far away. In the existing scheme, a medium-small tower crane foundation is directly located on a top plate of a ground reservoir, and local back jacking is performed underground to meet the stress requirement of the tower crane foundation.
The existing scheme only aims at small and medium-sized tower cranes, the bottom load of a large tower crane foundation is large, the vertical bearing capacity of a ground garage top plate is weak, and the requirement of the tower crane foundation load cannot be met by a method of backing up the ground garage. But the bearing capacity of the building structure column is very large, and the load requirement of a large tower crane foundation is met. Therefore, the stress on the bottom of the tower crane foundation is transmitted to the building structure column through the steel structure transition beam and transmitted to the building foundation through the structure column, and therefore the integral safety of the tower crane and the building structure is met.
Therefore, it is desirable to provide a new special undercarriage for a tower crane to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a purpose-built chassis for tower crane to solve the problem that above-mentioned prior art exists, on conducting the ground storehouse building structure post with tower machine basis bottom atress, satisfy tower machine and building structure's whole safety.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a specially-made underframe for tower crane, which comprises a standard underframe, and further comprises two transition secondary beams and two transition main beams, wherein the two transition secondary beams and the two transition main beams are arranged in parallel; the transition main beam is used for being installed on a top plate of the ground warehouse, a connection fulcrum is formed at the connection position of the transition secondary beam and the transition main beam, and the connection fulcrum is located above a structural column in the ground warehouse.
Preferably, four corners of the standard underframe are respectively installed above two ends of the two transition secondary beams through transition steel supports.
Preferably, the top and the bottom of the transition steel support are respectively connected with the standard underframe and the transition secondary beam through fastening bolts.
Preferably, a reinforcing rib plate is arranged on the side wall of the transition steel support.
Preferably, a fixing plate is arranged below the transition main beam, the fixing plate is located below the connecting fulcrum, and the fixing plate is connected with the top plate of the basement through a fastening bolt.
Preferably, the bottom of the fastening bolt penetrates through the top plate of the ground garage and is connected with a structural hoop member, and the structural hoop member is connected with a lower beam of the top plate of the ground garage.
Preferably, a reinforcing rib plate is arranged at the joint of the transition main beam and the fixing plate.
Preferably, a reinforcing rib plate is arranged at the joint of the transition secondary beam and the transition main beam.
Preferably, the center of the connecting fulcrum coincides with the center of the structural column in the underground warehouse.
Preferably, the fastening bolt is a high-strength bolt.
The utility model discloses following beneficial technological effect has been gained for prior art:
the utility model can transmit the bottom stress of the tower crane foundation to the building structural column in the ground reservoir and transmit the stress to the building foundation through the structural column, thereby meeting the overall safety of the tower crane and the building structure; and the utility model discloses well structure staple bolt spare passes through fastening bolt and transition girder is fixed, can be used for resisting ascending pulling force and horizontal force in the tower crane foundation load combination.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a specially-made underframe for a tower crane according to the present invention;
FIG. 2 is a top view of a specially-made bottom frame for a tower crane according to the present invention;
FIG. 3 is a schematic view of the connection between the specially-made underframe and the lower beam of the top plate of the basement for the tower crane of the present invention;
fig. 4 is a schematic structural diagram of a standard underframe of the present invention;
wherein, 1 is standard chassis, 2 is the transition secondary beam, 3 is the transition girder, 4 are fastening bolt, 5 are ground storehouse roof, 6 are ground storehouse roof bottom rail, 7 are structure hooping spare, 8 are the transition steel support, 9 are the fixed plate.
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.
The utility model aims at providing a purpose-built chassis for tower crane to solve the problem that above-mentioned prior art exists, on conducting the ground storehouse building structure post with tower machine basis bottom atress, satisfy tower machine and building structure's whole safety.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1 to 4, the present embodiment provides a specially-made underframe for a tower crane, which includes a standard underframe 1, two transition secondary beams 2 and two transition main beams 3, wherein the two transition secondary beams 2 and the two transition main beams 3 are arranged in parallel, the standard underframe 1 is installed above the two transition secondary beams 2, the two transition secondary beams 2 are installed above the two transition main beams 3, and the two transition secondary beams 2 and the two transition main beams 3 are distributed in a groined shape; transition girder 3 is used for installing on ground storehouse roof 5, and transition secondary beam 2 forms the connection fulcrum with the junction of transition girder 3, and the connection fulcrum is located the top of the interior structure post of ground storehouse.
In the embodiment, four corners of the standard underframe 1 are respectively installed above two ends of the two transition secondary beams 2 through transition steel supports 8; specifically, the top and the bottom of the transition steel support 8 are respectively connected with the standard underframe 1 and the transition secondary beam 2 through fastening bolts 4.
In this embodiment, a fixing plate 9 is arranged below the transition main beam 3, the fixing plate 9 is located below the connecting fulcrums, one fixing plate 9 is arranged below each connecting fulcrum, and the fixing plate 9 is connected with the top plate 5 of the basement through a fastening bolt 4. The bottom of the fastening bolt 4 penetrates through the top plate 5 of the ground warehouse and is connected with a structural hoop member 7, the structural hoop member 7 is tightly connected with a lower beam 6 of the top plate of the ground warehouse, and the structural hoop member 7 is a steel structural hoop member.
In the embodiment, the center of the connecting fulcrum coincides with the center of the structural column in the underground warehouse, and pressure is almost transmitted to the structural column without eccentricity; the structural hoop member 7 is fixed with the transition main beam 3 through the fastening bolt 4 and is used for resisting upward pulling force and horizontal force in tower crane foundation load combination.
In this embodiment, a high-strength bolt is preferably used as the fastening bolt 4, and the connection strength is improved.
In this embodiment, a reinforcing rib plate is arranged at the joint of the transition main beam 3 and the fixing plate 9, a reinforcing rib plate is arranged at the joint of the transition secondary beam 2 and the transition main beam 3, and a reinforcing rib plate is also arranged on the side wall of the transition steel support 8, so that the overall strength is improved. Wherein, the reinforcing rib plate can be fixedly connected with the structure by welding and the like.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A purpose-built chassis for tower crane, includes standard chassis, its characterized in that: the standard underframe is arranged above the two secondary transitional beams, the two secondary transitional beams are arranged above the two main transitional beams, and the two secondary transitional beams and the two main transitional beams are distributed in a groined shape; the transition main beam is used for being installed on a top plate of the ground warehouse, a connection fulcrum is formed at the connection position of the transition secondary beam and the transition main beam, and the connection fulcrum is located above a structural column in the ground warehouse.
2. The specially-made undercarriage for a tower crane according to claim 1, wherein: and four corners of the standard underframe are respectively arranged above two ends of the two transition secondary beams through transition steel supports.
3. The specially-made undercarriage for a tower crane according to claim 2, wherein: the top and the bottom of the transition steel support are respectively connected with the standard underframe and the transition secondary beam through fastening bolts.
4. The specially-made undercarriage for a tower crane according to claim 3, wherein: and the side wall of the transition steel support is provided with a reinforcing rib plate.
5. The specially-made undercarriage for a tower crane according to claim 1, wherein: the fixed plate is arranged below the transition main beam and located below the connecting fulcrum, and the fixed plate is connected with the top plate of the ground warehouse through a fastening bolt.
6. The specially-made undercarriage for a tower crane according to claim 5, wherein: the bottom of the fastening bolt penetrates through the top plate of the ground warehouse and is connected with a structural hoop member, and the structural hoop member is connected with the lower cross beam of the top plate of the ground warehouse.
7. The specially made undercarriage for a tower crane of claim 6, wherein: and a reinforcing rib plate is arranged at the joint of the transition main beam and the fixing plate.
8. The specially-made undercarriage for a tower crane according to claim 1, wherein: and a reinforcing rib plate is arranged at the joint of the transition secondary beam and the transition main beam.
9. The specially-made undercarriage for a tower crane according to claim 1, wherein: the center of the connecting fulcrum is superposed with the center of the structural column in the ground reservoir.
10. The specially-made undercarriage for a tower crane according to claim 3 or 6, wherein: the fastening bolt is a high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120507143.7U CN214495499U (en) | 2021-03-10 | 2021-03-10 | Specially-made underframe for tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120507143.7U CN214495499U (en) | 2021-03-10 | 2021-03-10 | Specially-made underframe for tower crane |
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| CN214495499U true CN214495499U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875531A (en) * | 2021-03-10 | 2021-06-01 | 北京庞源机械工程有限公司 | Specially-made underframe for tower crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875531A (en) * | 2021-03-10 | 2021-06-01 | 北京庞源机械工程有限公司 | Specially-made underframe for tower crane |
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