CN215249191U - Double-beam low-gravity-center frame hoisting mechanism - Google Patents
Double-beam low-gravity-center frame hoisting mechanism Download PDFInfo
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- CN215249191U CN215249191U CN202121458279.XU CN202121458279U CN215249191U CN 215249191 U CN215249191 U CN 215249191U CN 202121458279 U CN202121458279 U CN 202121458279U CN 215249191 U CN215249191 U CN 215249191U
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- hoisting mechanism
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Abstract
The utility model relates to a two roof beam low gravity center frame hoisting mechanism belongs to hoist technical field, including the frame, the frame includes girder and end beam, its characterized in that: a hoisting mechanism is hinged above the main beam, the hoisting mechanism comprises an auxiliary beam and a hydraulic assembly, the hydraulic assembly is arranged between the auxiliary beam and the main beam, and the auxiliary beam is arranged above the main beam and is in contact connection with the main beam through the hydraulic assembly; the secondary beam is a double-beam structure consisting of two secondary beams; a first cross beam, a second cross beam and a transverse frame are respectively welded between the inner sides of the two end auxiliary beams, and accommodating cavities are formed in the first cross beam and the second cross beam. The utility model discloses with first crossbeam, second crossbeam and horizontal frame of inboard connection of both ends auxiliary girder, make seamless direct contact, focus steady between auxiliary girder and the girder, the atress is even, the difficult fracture of buckling of girder. The auxiliary beam is of a double-beam structure, so that the contact area between the auxiliary beam and the main beam is increased, and the stress area is wide.
Description
Technical Field
The utility model belongs to the technical field of hoisting machinery, concretely relates to low focus frame hoisting mechanism of two roof beams.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, is widely applied to the fields of railway traffic construction, steel industry transportation, port and wharf carrying, mining exploitation and the like, and generally consists of a frame, a mechanism (comprising a lifting mechanism, a running mechanism and the like) and a control system, wherein the frame is used as the main body of the crane to bear all the loads of the crane, the frame comprises a main beam and an end beam, the main beam is usually hinged with a hoisting mechanism to finish the hoisting operation, the main beam is in contact connection with the auxiliary beam on the lifting mechanism in the lifting process, the main beam and the auxiliary beam of the frame are connected through a plurality of cross beams, the cross beams are welded at the bottom of the auxiliary beam and are erected between the main beam and the auxiliary beam, when in hoisting operation, the cross beam and the main beam are stressed simultaneously, the gravity center is unstable, stress points are few, the stress is uneven, and the cross beam is easy to break after long-time work.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model provides a two roof beam low gravity center frame hoisting mechanism through welding the crossbeam and reducing the focus between the both ends auxiliary girder, auxiliary girder and girder direct contact, and the focus is steady, increase contact surface, stress surface, makes it the atress even, for realizing above-mentioned purpose, the utility model provides a following technical scheme:
a double-beam low-gravity-center frame hoisting mechanism comprises a frame, wherein the frame comprises a main beam and an end beam, a hoisting mechanism is hinged above the main beam, the hoisting mechanism comprises a secondary beam and a hydraulic assembly, the hydraulic assembly is arranged between the secondary beam and the main beam, and the secondary beam is arranged above the main beam and is in contact connection with the main beam through the hydraulic assembly;
and a transverse frame, a first cross beam and a second cross beam are respectively welded between the inner sides of the auxiliary beams at the two ends, and accommodating cavities are arranged on the first cross beam and the second cross beam.
Preferably, the secondary beam is a double-beam structure formed by two secondary beams.
Preferably, the hydraulic assembly comprises a hydraulic cylinder and two hydraulic rods, the two hydraulic rods are arranged at two ends of the hydraulic cylinder and connected with the hydraulic cylinder through oil pipes, one end of the hydraulic cylinder is arranged on the first cross beam and the second cross beam accommodating cavity, and the top end of the hydraulic cylinder is hinged to the transverse frame;
the hydraulic rod is characterized in that a first fixing piece is arranged at the bottom of the first cross beam, a third cross beam is connected between the main beams, the third cross beam is arranged below the second cross beam, a second fixing piece is arranged on the third cross beam, and the front end and the rear end of the hydraulic rod are hinged to the first fixing piece and the second fixing piece through a second connecting shaft and a third connecting shaft respectively.
Preferably, a hydraulic oil pump is arranged at the bottom of the frame and connected with the hydraulic cylinder.
Preferably, the two secondary beams are welded integrally.
Preferably, the upper end face of the main beam is in direct contact with the lower end face of the secondary beam.
Compared with the prior art, the utility model following beneficial effect possesses: the utility model discloses a two roof beam low gravity center frame hoisting mechanism replaces original being connected bottom the auxiliary girder in both ends through setting up horizontal frame, first crossbeam and second crossbeam and the inboard connection of both ends auxiliary girder, makes the seamless direct contact of auxiliary girder and girder, and the focus is steady, makes its atress even, and the girder is difficult for buckling the fracture.
The contact area between the auxiliary beam and the main beam is increased by setting the auxiliary beam into a double-beam structure, and the stress surface is wide.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a diagram illustrating an overall connection relationship between a main beam and a sub-beam in the present embodiment;
FIG. 3 is a schematic view of the connection between the main beam and the secondary beam of the present embodiment;
FIG. 4 is a diagram illustrating the connection relationship between the sub-beam and the hydraulic assembly according to the present embodiment;
FIG. 5 is a view showing a connection relationship between a second cross member and a second fixing plate according to the present embodiment;
fig. 6 is a diagram illustrating the connection relationship between the hydraulic oil pump and the hydraulic cylinder in the present embodiment.
In the figure: 1-a rack, 101-a main beam, 102-an end beam and 103-a first connecting shaft;
2-hoisting mechanism, 201-secondary beam, 202-hydraulic cylinder, 203-hydraulic rod.
3-a transverse frame, 4-a first beam, 5-a second beam, 6-a first fixing sheet, 7-a third beam, 8-a second fixing sheet, 9-a second connecting shaft, 10-a third connecting shaft and 11-a hydraulic oil pump.
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.
As shown in fig. 1-6, a double-beam low-center-of-gravity frame hoisting mechanism comprises a frame 1, wherein the frame 1 comprises a main beam 101 and an end beam 102, a hoisting mechanism 2 is hinged above the main beam 101 through a first connecting shaft 103, the hoisting mechanism 2 comprises a secondary beam 201 and a hydraulic assembly, the hydraulic assembly is arranged between the secondary beam 201 and the main beam 101, and the secondary beam 201 is arranged above the main beam 101 and is in contact connection with the main beam 101 through the hydraulic assembly;
a transverse frame 3, a first cross beam 4 and a second cross beam 5 are respectively welded between the inner sides of the secondary beams 201 at the two ends, and accommodating cavities are formed in the first cross beam 4 and the second cross beam 5.
The secondary beam 201 is a double beam structure consisting of two secondary beams.
Further, the hydraulic assembly comprises a hydraulic cylinder 202 and two hydraulic rods 203, the hydraulic rods 203 are arranged at two ends of the hydraulic cylinder 202 and connected with the hydraulic cylinder 202 through oil pipes, one end of the hydraulic cylinder 202 is arranged on the accommodating cavities of the first cross beam 4 and the second cross beam 5, and the top end of the hydraulic cylinder is hinged to the transverse frame 3;
the bottom of the first cross beam 4 is provided with first fixing sheets 6, two first fixing sheets 6 form a group, two groups are formed, the two groups are respectively arranged at two sides of the hydraulic cylinder 202, a third cross beam 7 is connected between main beams 101 at two ends, the third cross beam 7 is arranged below the second cross beam 5, a second fixing sheet 8 is arranged on the third cross beam 7, two second fixing sheets 8 form a group, two groups are formed, the front end and the rear end of each of the two hydraulic rods 203 are respectively hinged with the first fixing sheets 5 and the second fixing sheets 7 through second connecting shafts 9 and third connecting shafts 10, the hydraulic oil pump 11 supplies oil to the hydraulic cylinder 202, the hydraulic cylinder 202 drives the hydraulic rods 203 to reciprocate on the main beams 101, when the hydraulic rods 203 ascend, the hydraulic rods rotate along with the second connecting shafts 9 and the third connecting shafts 10 to drive the first fixing sheets 6 at two ends, and then the auxiliary beams 201 ascend; when the hydraulic rod 203 descends, the second connecting shaft 9 and the third connecting shaft 10 rotate to drive the first fixing pieces 6 at the two ends, and then the auxiliary beam 201 descends along with the main beam 101 to be in direct contact with the main beam.
Further, the bottom of the frame 1 is provided with a hydraulic oil pump 11, and the hydraulic oil pump 11 is connected with the hydraulic cylinder 202 through an oil pipe.
Further, the two secondary beams 201 are integrally welded.
Furthermore, the upper end face of the main beam 101 is in direct contact with the lower end face of the auxiliary beam 201, so that the contact area is increased, and the stress surface is wide.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two roof beam low gravity center frame hoisting mechanism, includes frame (1), frame (1) includes girder (101) and end beam (102), its characterized in that: a hoisting mechanism (2) is hinged above the main beam (101) through a first connecting shaft (103), the hoisting mechanism (2) comprises an auxiliary beam (201) and a hydraulic assembly, the hydraulic assembly is arranged between the auxiliary beam (201) and the main beam (101), and the auxiliary beam (201) is arranged above the main beam (101) and is in contact connection with the main beam (101) through the hydraulic assembly;
both ends it has horizontal frame (3), first crossbeam (4) and second crossbeam (5) to weld respectively between auxiliary girder (201) inboard, be equipped with the holding chamber on first crossbeam (4), second crossbeam (5).
2. The double-beam low-center-of-gravity frame hoisting mechanism of claim 1, characterized in that: the secondary beam (201) is a double-beam structure formed by two secondary beams.
3. The double-beam low-center-of-gravity frame hoisting mechanism of claim 2, characterized in that: the hydraulic assembly comprises a hydraulic cylinder (202) and two hydraulic rods (203), the two hydraulic rods (203) are arranged at two ends of the hydraulic cylinder (202) and are connected with the hydraulic cylinder (202) through oil pipes, one end of the hydraulic cylinder (202) is arranged on the accommodating cavities of the first cross beam (4) and the second cross beam (5), and the top end of the hydraulic cylinder is hinged to the transverse frame (3);
first crossbeam (4) bottom is equipped with first stationary blade (6), both ends be connected with third crossbeam (7) between girder (101), second crossbeam (5) below is located and be equipped with second stationary blade (8) on third crossbeam (7) in third crossbeam (7), two both ends are articulated with first stationary blade (6), second stationary blade (8) respectively through second connecting axle (9), third connecting axle (10) around hydraulic stem (203).
4. The double-beam low-center-of-gravity frame hoisting mechanism of claim 3, characterized in that: the hydraulic oil pump (11) is arranged at the bottom of the rack (1), and the hydraulic oil pump (11) is connected with the hydraulic cylinder (202).
5. The double-beam low-center-of-gravity frame hoisting mechanism of claim 4, wherein: the two auxiliary beams (201) are welded integrally.
6. The double-beam low-center-of-gravity frame hoisting mechanism of claim 5, wherein: the upper end face of the main beam (101) is in direct contact with the lower end face of the auxiliary beam (201).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121458279.XU CN215249191U (en) | 2021-06-29 | 2021-06-29 | Double-beam low-gravity-center frame hoisting mechanism |
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CN202121458279.XU CN215249191U (en) | 2021-06-29 | 2021-06-29 | Double-beam low-gravity-center frame hoisting mechanism |
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CN215249191U true CN215249191U (en) | 2021-12-21 |
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CN202121458279.XU Active CN215249191U (en) | 2021-06-29 | 2021-06-29 | Double-beam low-gravity-center frame hoisting mechanism |
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2021
- 2021-06-29 CN CN202121458279.XU patent/CN215249191U/en active Active
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